1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * QLogic iSCSI HBA Driver |
4 | * Copyright (c) 2003-2013 QLogic Corporation |
5 | */ |
6 | #include <linux/moduleparam.h> |
7 | #include <linux/slab.h> |
8 | #include <linux/blkdev.h> |
9 | #include <linux/iscsi_boot_sysfs.h> |
10 | #include <linux/inet.h> |
11 | |
12 | #include <scsi/scsi_tcq.h> |
13 | #include <scsi/scsicam.h> |
14 | |
15 | #include "ql4_def.h" |
16 | #include "ql4_version.h" |
17 | #include "ql4_glbl.h" |
18 | #include "ql4_dbg.h" |
19 | #include "ql4_inline.h" |
20 | #include "ql4_83xx.h" |
21 | |
22 | /* |
23 | * Driver version |
24 | */ |
25 | static char qla4xxx_version_str[40]; |
26 | |
27 | /* |
28 | * SRB allocation cache |
29 | */ |
30 | static struct kmem_cache *srb_cachep; |
31 | |
32 | /* |
33 | * Module parameter information and variables |
34 | */ |
35 | static int ql4xdisablesysfsboot = 1; |
36 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
37 | MODULE_PARM_DESC(ql4xdisablesysfsboot, |
38 | " Set to disable exporting boot targets to sysfs.\n" |
39 | "\t\t 0 - Export boot targets\n" |
40 | "\t\t 1 - Do not export boot targets (Default)" ); |
41 | |
42 | int ql4xdontresethba; |
43 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
44 | MODULE_PARM_DESC(ql4xdontresethba, |
45 | " Don't reset the HBA for driver recovery.\n" |
46 | "\t\t 0 - It will reset HBA (Default)\n" |
47 | "\t\t 1 - It will NOT reset HBA" ); |
48 | |
49 | int ql4xextended_error_logging; |
50 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
51 | MODULE_PARM_DESC(ql4xextended_error_logging, |
52 | " Option to enable extended error logging.\n" |
53 | "\t\t 0 - no logging (Default)\n" |
54 | "\t\t 2 - debug logging" ); |
55 | |
56 | int ql4xenablemsix = 1; |
57 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); |
58 | MODULE_PARM_DESC(ql4xenablemsix, |
59 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
60 | "\t\t 0 = enable INTx interrupt mechanism.\n" |
61 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" |
62 | "\t\t 2 = enable MSI interrupt mechanism." ); |
63 | |
64 | #define QL4_DEF_QDEPTH 32 |
65 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
66 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); |
67 | MODULE_PARM_DESC(ql4xmaxqdepth, |
68 | " Maximum queue depth to report for target devices.\n" |
69 | "\t\t Default: 32." ); |
70 | |
71 | static int ql4xqfulltracking = 1; |
72 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); |
73 | MODULE_PARM_DESC(ql4xqfulltracking, |
74 | " Enable or disable dynamic tracking and adjustment of\n" |
75 | "\t\t scsi device queue depth.\n" |
76 | "\t\t 0 - Disable.\n" |
77 | "\t\t 1 - Enable. (Default)" ); |
78 | |
79 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
80 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); |
81 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, |
82 | " Target Session Recovery Timeout.\n" |
83 | "\t\t Default: 120 sec." ); |
84 | |
85 | int ql4xmdcapmask = 0; |
86 | module_param(ql4xmdcapmask, int, S_IRUGO); |
87 | MODULE_PARM_DESC(ql4xmdcapmask, |
88 | " Set the Minidump driver capture mask level.\n" |
89 | "\t\t Default is 0 (firmware default capture mask)\n" |
90 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF" ); |
91 | |
92 | int ql4xenablemd = 1; |
93 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); |
94 | MODULE_PARM_DESC(ql4xenablemd, |
95 | " Set to enable minidump.\n" |
96 | "\t\t 0 - disable minidump\n" |
97 | "\t\t 1 - enable minidump (Default)" ); |
98 | |
99 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
100 | /* |
101 | * SCSI host template entry points |
102 | */ |
103 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
104 | |
105 | /* |
106 | * iSCSI template entry points |
107 | */ |
108 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
109 | enum iscsi_param param, char *buf); |
110 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
111 | enum iscsi_param param, char *buf); |
112 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
113 | enum iscsi_host_param param, char *buf); |
114 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
115 | uint32_t len); |
116 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
117 | enum iscsi_param_type param_type, |
118 | int param, char *buf); |
119 | static enum scsi_timeout_action qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
120 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
121 | struct sockaddr *dst_addr, |
122 | int non_blocking); |
123 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); |
124 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); |
125 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
126 | enum iscsi_param param, char *buf); |
127 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); |
128 | static struct iscsi_cls_conn * |
129 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); |
130 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
131 | struct iscsi_cls_conn *cls_conn, |
132 | uint64_t transport_fd, int is_leading); |
133 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); |
134 | static struct iscsi_cls_session * |
135 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, |
136 | uint16_t qdepth, uint32_t initial_cmdsn); |
137 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); |
138 | static void qla4xxx_task_work(struct work_struct *wdata); |
139 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); |
140 | static int qla4xxx_task_xmit(struct iscsi_task *); |
141 | static void qla4xxx_task_cleanup(struct iscsi_task *); |
142 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); |
143 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
144 | struct iscsi_stats *stats); |
145 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
146 | uint32_t iface_type, uint32_t payload_size, |
147 | uint32_t pid, struct sockaddr *dst_addr); |
148 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
149 | uint32_t *num_entries, char *buf); |
150 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); |
151 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, |
152 | int len); |
153 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); |
154 | |
155 | /* |
156 | * SCSI host template entry points |
157 | */ |
158 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
159 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
160 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
161 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
162 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
163 | static int qla4xxx_slave_alloc(struct scsi_device *device); |
164 | static umode_t qla4_attr_is_visible(int param_type, int param); |
165 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
166 | |
167 | /* |
168 | * iSCSI Flash DDB sysfs entry points |
169 | */ |
170 | static int |
171 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
172 | struct iscsi_bus_flash_conn *fnode_conn, |
173 | void *data, int len); |
174 | static int |
175 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
176 | int param, char *buf); |
177 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
178 | int len); |
179 | static int |
180 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); |
181 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
182 | struct iscsi_bus_flash_conn *fnode_conn); |
183 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
184 | struct iscsi_bus_flash_conn *fnode_conn); |
185 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); |
186 | |
187 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
188 | QLA82XX_LEGACY_INTR_CONFIG; |
189 | |
190 | static const uint32_t qla4_82xx_reg_tbl[] = { |
191 | QLA82XX_PEG_HALT_STATUS1, |
192 | QLA82XX_PEG_HALT_STATUS2, |
193 | QLA82XX_PEG_ALIVE_COUNTER, |
194 | QLA82XX_CRB_DRV_ACTIVE, |
195 | QLA82XX_CRB_DEV_STATE, |
196 | QLA82XX_CRB_DRV_STATE, |
197 | QLA82XX_CRB_DRV_SCRATCH, |
198 | QLA82XX_CRB_DEV_PART_INFO, |
199 | QLA82XX_CRB_DRV_IDC_VERSION, |
200 | QLA82XX_FW_VERSION_MAJOR, |
201 | QLA82XX_FW_VERSION_MINOR, |
202 | QLA82XX_FW_VERSION_SUB, |
203 | CRB_CMDPEG_STATE, |
204 | CRB_TEMP_STATE, |
205 | }; |
206 | |
207 | static const uint32_t qla4_83xx_reg_tbl[] = { |
208 | QLA83XX_PEG_HALT_STATUS1, |
209 | QLA83XX_PEG_HALT_STATUS2, |
210 | QLA83XX_PEG_ALIVE_COUNTER, |
211 | QLA83XX_CRB_DRV_ACTIVE, |
212 | QLA83XX_CRB_DEV_STATE, |
213 | QLA83XX_CRB_DRV_STATE, |
214 | QLA83XX_CRB_DRV_SCRATCH, |
215 | QLA83XX_CRB_DEV_PART_INFO1, |
216 | QLA83XX_CRB_IDC_VER_MAJOR, |
217 | QLA83XX_FW_VER_MAJOR, |
218 | QLA83XX_FW_VER_MINOR, |
219 | QLA83XX_FW_VER_SUB, |
220 | QLA83XX_CMDPEG_STATE, |
221 | QLA83XX_ASIC_TEMP, |
222 | }; |
223 | |
224 | static struct scsi_host_template qla4xxx_driver_template = { |
225 | .module = THIS_MODULE, |
226 | .name = DRIVER_NAME, |
227 | .proc_name = DRIVER_NAME, |
228 | .queuecommand = qla4xxx_queuecommand, |
229 | .cmd_size = sizeof(struct qla4xxx_cmd_priv), |
230 | |
231 | .eh_abort_handler = qla4xxx_eh_abort, |
232 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
233 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
234 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
235 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
236 | |
237 | .slave_alloc = qla4xxx_slave_alloc, |
238 | .change_queue_depth = scsi_change_queue_depth, |
239 | |
240 | .this_id = -1, |
241 | .cmd_per_lun = 3, |
242 | .sg_tablesize = SG_ALL, |
243 | |
244 | .max_sectors = 0xFFFF, |
245 | .shost_groups = qla4xxx_host_groups, |
246 | .host_reset = qla4xxx_host_reset, |
247 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
248 | }; |
249 | |
250 | static struct iscsi_transport qla4xxx_iscsi_transport = { |
251 | .owner = THIS_MODULE, |
252 | .name = DRIVER_NAME, |
253 | .caps = CAP_TEXT_NEGO | |
254 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | |
255 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | |
256 | CAP_MULTI_R2T, |
257 | .attr_is_visible = qla4_attr_is_visible, |
258 | .create_session = qla4xxx_session_create, |
259 | .destroy_session = qla4xxx_session_destroy, |
260 | .start_conn = qla4xxx_conn_start, |
261 | .create_conn = qla4xxx_conn_create, |
262 | .bind_conn = qla4xxx_conn_bind, |
263 | .unbind_conn = iscsi_conn_unbind, |
264 | .stop_conn = iscsi_conn_stop, |
265 | .destroy_conn = qla4xxx_conn_destroy, |
266 | .set_param = iscsi_set_param, |
267 | .get_conn_param = qla4xxx_conn_get_param, |
268 | .get_session_param = qla4xxx_session_get_param, |
269 | .get_ep_param = qla4xxx_get_ep_param, |
270 | .ep_connect = qla4xxx_ep_connect, |
271 | .ep_poll = qla4xxx_ep_poll, |
272 | .ep_disconnect = qla4xxx_ep_disconnect, |
273 | .get_stats = qla4xxx_conn_get_stats, |
274 | .send_pdu = iscsi_conn_send_pdu, |
275 | .xmit_task = qla4xxx_task_xmit, |
276 | .cleanup_task = qla4xxx_task_cleanup, |
277 | .alloc_pdu = qla4xxx_alloc_pdu, |
278 | |
279 | .get_host_param = qla4xxx_host_get_param, |
280 | .set_iface_param = qla4xxx_iface_set_param, |
281 | .get_iface_param = qla4xxx_get_iface_param, |
282 | .bsg_request = qla4xxx_bsg_request, |
283 | .send_ping = qla4xxx_send_ping, |
284 | .get_chap = qla4xxx_get_chap_list, |
285 | .delete_chap = qla4xxx_delete_chap, |
286 | .set_chap = qla4xxx_set_chap_entry, |
287 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
288 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, |
289 | .new_flashnode = qla4xxx_sysfs_ddb_add, |
290 | .del_flashnode = qla4xxx_sysfs_ddb_delete, |
291 | .login_flashnode = qla4xxx_sysfs_ddb_login, |
292 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, |
293 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, |
294 | .get_host_stats = qla4xxx_get_host_stats, |
295 | }; |
296 | |
297 | static struct scsi_transport_template *qla4xxx_scsi_transport; |
298 | |
299 | static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) |
300 | { |
301 | u32 reg_val = 0; |
302 | int rval = QLA_SUCCESS; |
303 | |
304 | if (is_qla8022(ha)) |
305 | reg_val = readl(addr: &ha->qla4_82xx_reg->host_status); |
306 | else if (is_qla8032(ha) || is_qla8042(ha)) |
307 | reg_val = qla4_8xxx_rd_direct(ha, crb_reg: QLA8XXX_PEG_ALIVE_COUNTER); |
308 | else |
309 | reg_val = readw(addr: &ha->reg->ctrl_status); |
310 | |
311 | if (reg_val == QL4_ISP_REG_DISCONNECT) |
312 | rval = QLA_ERROR; |
313 | |
314 | return rval; |
315 | } |
316 | |
317 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
318 | uint32_t iface_type, uint32_t payload_size, |
319 | uint32_t pid, struct sockaddr *dst_addr) |
320 | { |
321 | struct scsi_qla_host *ha = to_qla_host(shost); |
322 | struct sockaddr_in *addr; |
323 | struct sockaddr_in6 *addr6; |
324 | uint32_t options = 0; |
325 | uint8_t ipaddr[IPv6_ADDR_LEN]; |
326 | int rval; |
327 | |
328 | memset(ipaddr, 0, IPv6_ADDR_LEN); |
329 | /* IPv4 to IPv4 */ |
330 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && |
331 | (dst_addr->sa_family == AF_INET)) { |
332 | addr = (struct sockaddr_in *)dst_addr; |
333 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); |
334 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " |
335 | "dest: %pI4\n" , __func__, |
336 | &ha->ip_config.ip_address, ipaddr)); |
337 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, |
338 | ipaddr); |
339 | if (rval) |
340 | rval = -EINVAL; |
341 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && |
342 | (dst_addr->sa_family == AF_INET6)) { |
343 | /* IPv6 to IPv6 */ |
344 | addr6 = (struct sockaddr_in6 *)dst_addr; |
345 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); |
346 | |
347 | options |= PING_IPV6_PROTOCOL_ENABLE; |
348 | |
349 | /* Ping using LinkLocal address */ |
350 | if ((iface_num == 0) || (iface_num == 1)) { |
351 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " |
352 | "src: %pI6 dest: %pI6\n" , __func__, |
353 | &ha->ip_config.ipv6_link_local_addr, |
354 | ipaddr)); |
355 | options |= PING_IPV6_LINKLOCAL_ADDR; |
356 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
357 | pid, ipaddr); |
358 | } else { |
359 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " |
360 | "not supported\n" , __func__, iface_num); |
361 | rval = -ENOSYS; |
362 | goto exit_send_ping; |
363 | } |
364 | |
365 | /* |
366 | * If ping using LinkLocal address fails, try ping using |
367 | * IPv6 address |
368 | */ |
369 | if (rval != QLA_SUCCESS) { |
370 | options &= ~PING_IPV6_LINKLOCAL_ADDR; |
371 | if (iface_num == 0) { |
372 | options |= PING_IPV6_ADDR0; |
373 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
374 | "Ping src: %pI6 " |
375 | "dest: %pI6\n" , __func__, |
376 | &ha->ip_config.ipv6_addr0, |
377 | ipaddr)); |
378 | } else if (iface_num == 1) { |
379 | options |= PING_IPV6_ADDR1; |
380 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
381 | "Ping src: %pI6 " |
382 | "dest: %pI6\n" , __func__, |
383 | &ha->ip_config.ipv6_addr1, |
384 | ipaddr)); |
385 | } |
386 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
387 | pid, ipaddr); |
388 | if (rval) |
389 | rval = -EINVAL; |
390 | } |
391 | } else |
392 | rval = -ENOSYS; |
393 | exit_send_ping: |
394 | return rval; |
395 | } |
396 | |
397 | static umode_t qla4_attr_is_visible(int param_type, int param) |
398 | { |
399 | switch (param_type) { |
400 | case ISCSI_HOST_PARAM: |
401 | switch (param) { |
402 | case ISCSI_HOST_PARAM_HWADDRESS: |
403 | case ISCSI_HOST_PARAM_IPADDRESS: |
404 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
405 | case ISCSI_HOST_PARAM_PORT_STATE: |
406 | case ISCSI_HOST_PARAM_PORT_SPEED: |
407 | return S_IRUGO; |
408 | default: |
409 | return 0; |
410 | } |
411 | case ISCSI_PARAM: |
412 | switch (param) { |
413 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
414 | case ISCSI_PARAM_PERSISTENT_PORT: |
415 | case ISCSI_PARAM_CONN_ADDRESS: |
416 | case ISCSI_PARAM_CONN_PORT: |
417 | case ISCSI_PARAM_TARGET_NAME: |
418 | case ISCSI_PARAM_TPGT: |
419 | case ISCSI_PARAM_TARGET_ALIAS: |
420 | case ISCSI_PARAM_MAX_BURST: |
421 | case ISCSI_PARAM_MAX_R2T: |
422 | case ISCSI_PARAM_FIRST_BURST: |
423 | case ISCSI_PARAM_MAX_RECV_DLENGTH: |
424 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: |
425 | case ISCSI_PARAM_IFACE_NAME: |
426 | case ISCSI_PARAM_CHAP_OUT_IDX: |
427 | case ISCSI_PARAM_CHAP_IN_IDX: |
428 | case ISCSI_PARAM_USERNAME: |
429 | case ISCSI_PARAM_PASSWORD: |
430 | case ISCSI_PARAM_USERNAME_IN: |
431 | case ISCSI_PARAM_PASSWORD_IN: |
432 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
433 | case ISCSI_PARAM_DISCOVERY_SESS: |
434 | case ISCSI_PARAM_PORTAL_TYPE: |
435 | case ISCSI_PARAM_CHAP_AUTH_EN: |
436 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: |
437 | case ISCSI_PARAM_BIDI_CHAP_EN: |
438 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: |
439 | case ISCSI_PARAM_DEF_TIME2WAIT: |
440 | case ISCSI_PARAM_DEF_TIME2RETAIN: |
441 | case ISCSI_PARAM_HDRDGST_EN: |
442 | case ISCSI_PARAM_DATADGST_EN: |
443 | case ISCSI_PARAM_INITIAL_R2T_EN: |
444 | case ISCSI_PARAM_IMM_DATA_EN: |
445 | case ISCSI_PARAM_PDU_INORDER_EN: |
446 | case ISCSI_PARAM_DATASEQ_INORDER_EN: |
447 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: |
448 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: |
449 | case ISCSI_PARAM_TCP_WSF_DISABLE: |
450 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: |
451 | case ISCSI_PARAM_TCP_TIMER_SCALE: |
452 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: |
453 | case ISCSI_PARAM_TCP_XMIT_WSF: |
454 | case ISCSI_PARAM_TCP_RECV_WSF: |
455 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: |
456 | case ISCSI_PARAM_IPV4_TOS: |
457 | case ISCSI_PARAM_IPV6_TC: |
458 | case ISCSI_PARAM_IPV6_FLOW_LABEL: |
459 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: |
460 | case ISCSI_PARAM_KEEPALIVE_TMO: |
461 | case ISCSI_PARAM_LOCAL_PORT: |
462 | case ISCSI_PARAM_ISID: |
463 | case ISCSI_PARAM_TSID: |
464 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: |
465 | case ISCSI_PARAM_ERL: |
466 | case ISCSI_PARAM_STATSN: |
467 | case ISCSI_PARAM_EXP_STATSN: |
468 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: |
469 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: |
470 | case ISCSI_PARAM_LOCAL_IPADDR: |
471 | return S_IRUGO; |
472 | default: |
473 | return 0; |
474 | } |
475 | case ISCSI_NET_PARAM: |
476 | switch (param) { |
477 | case ISCSI_NET_PARAM_IPV4_ADDR: |
478 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
479 | case ISCSI_NET_PARAM_IPV4_GW: |
480 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
481 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
482 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
483 | case ISCSI_NET_PARAM_IPV6_ADDR: |
484 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
485 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
486 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
487 | case ISCSI_NET_PARAM_VLAN_ID: |
488 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
489 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
490 | case ISCSI_NET_PARAM_MTU: |
491 | case ISCSI_NET_PARAM_PORT: |
492 | case ISCSI_NET_PARAM_IPADDR_STATE: |
493 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: |
494 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: |
495 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
496 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
497 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
498 | case ISCSI_NET_PARAM_TCP_WSF: |
499 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
500 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
501 | case ISCSI_NET_PARAM_CACHE_ID: |
502 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
503 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
504 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
505 | case ISCSI_NET_PARAM_IPV4_TOS: |
506 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
507 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
508 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
509 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
510 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
511 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
512 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
513 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
514 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
515 | case ISCSI_NET_PARAM_REDIRECT_EN: |
516 | case ISCSI_NET_PARAM_IPV4_TTL: |
517 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
518 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
519 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
520 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
521 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
522 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
523 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
524 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
525 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
526 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
527 | return S_IRUGO; |
528 | default: |
529 | return 0; |
530 | } |
531 | case ISCSI_IFACE_PARAM: |
532 | switch (param) { |
533 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
534 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
535 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
536 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
537 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
538 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
539 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
540 | case ISCSI_IFACE_PARAM_ERL: |
541 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
542 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
543 | case ISCSI_IFACE_PARAM_MAX_R2T: |
544 | case ISCSI_IFACE_PARAM_MAX_BURST: |
545 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
546 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
547 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
548 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
549 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
550 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: |
551 | return S_IRUGO; |
552 | default: |
553 | return 0; |
554 | } |
555 | case ISCSI_FLASHNODE_PARAM: |
556 | switch (param) { |
557 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
558 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
559 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
560 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
561 | case ISCSI_FLASHNODE_ENTRY_EN: |
562 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
563 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
564 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
565 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
566 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
567 | case ISCSI_FLASHNODE_PDU_INORDER: |
568 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
569 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
570 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
571 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
572 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
573 | case ISCSI_FLASHNODE_ERL: |
574 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
575 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
576 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
577 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
578 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
579 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
580 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
581 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
582 | case ISCSI_FLASHNODE_FIRST_BURST: |
583 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
584 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
585 | case ISCSI_FLASHNODE_MAX_R2T: |
586 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
587 | case ISCSI_FLASHNODE_ISID: |
588 | case ISCSI_FLASHNODE_TSID: |
589 | case ISCSI_FLASHNODE_PORT: |
590 | case ISCSI_FLASHNODE_MAX_BURST: |
591 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
592 | case ISCSI_FLASHNODE_IPADDR: |
593 | case ISCSI_FLASHNODE_ALIAS: |
594 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
595 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
596 | case ISCSI_FLASHNODE_LOCAL_PORT: |
597 | case ISCSI_FLASHNODE_IPV4_TOS: |
598 | case ISCSI_FLASHNODE_IPV6_TC: |
599 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
600 | case ISCSI_FLASHNODE_NAME: |
601 | case ISCSI_FLASHNODE_TPGT: |
602 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
603 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
604 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
605 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
606 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
607 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
608 | case ISCSI_FLASHNODE_USERNAME: |
609 | case ISCSI_FLASHNODE_PASSWORD: |
610 | case ISCSI_FLASHNODE_STATSN: |
611 | case ISCSI_FLASHNODE_EXP_STATSN: |
612 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
613 | return S_IRUGO; |
614 | default: |
615 | return 0; |
616 | } |
617 | } |
618 | |
619 | return 0; |
620 | } |
621 | |
622 | /** |
623 | * qla4xxx_create_chap_list - Create CHAP list from FLASH |
624 | * @ha: pointer to adapter structure |
625 | * |
626 | * Read flash and make a list of CHAP entries, during login when a CHAP entry |
627 | * is received, it will be checked in this list. If entry exist then the CHAP |
628 | * entry index is set in the DDB. If CHAP entry does not exist in this list |
629 | * then a new entry is added in FLASH in CHAP table and the index obtained is |
630 | * used in the DDB. |
631 | **/ |
632 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) |
633 | { |
634 | int rval = 0; |
635 | uint8_t *chap_flash_data = NULL; |
636 | uint32_t offset; |
637 | dma_addr_t chap_dma; |
638 | uint32_t chap_size = 0; |
639 | |
640 | if (is_qla40XX(ha)) |
641 | chap_size = MAX_CHAP_ENTRIES_40XX * |
642 | sizeof(struct ql4_chap_table); |
643 | else /* Single region contains CHAP info for both |
644 | * ports which is divided into half for each port. |
645 | */ |
646 | chap_size = ha->hw.flt_chap_size / 2; |
647 | |
648 | chap_flash_data = dma_alloc_coherent(dev: &ha->pdev->dev, size: chap_size, |
649 | dma_handle: &chap_dma, GFP_KERNEL); |
650 | if (!chap_flash_data) { |
651 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n" ); |
652 | return; |
653 | } |
654 | |
655 | if (is_qla40XX(ha)) { |
656 | offset = FLASH_CHAP_OFFSET; |
657 | } else { |
658 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
659 | if (ha->port_num == 1) |
660 | offset += chap_size; |
661 | } |
662 | |
663 | rval = qla4xxx_get_flash(ha, dma_addr: chap_dma, offset, len: chap_size); |
664 | if (rval != QLA_SUCCESS) |
665 | goto exit_chap_list; |
666 | |
667 | if (ha->chap_list == NULL) |
668 | ha->chap_list = vmalloc(size: chap_size); |
669 | if (ha->chap_list == NULL) { |
670 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n" ); |
671 | goto exit_chap_list; |
672 | } |
673 | |
674 | memcpy(ha->chap_list, chap_flash_data, chap_size); |
675 | |
676 | exit_chap_list: |
677 | dma_free_coherent(dev: &ha->pdev->dev, size: chap_size, cpu_addr: chap_flash_data, dma_handle: chap_dma); |
678 | } |
679 | |
680 | static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, |
681 | int16_t chap_index, |
682 | struct ql4_chap_table **chap_entry) |
683 | { |
684 | int rval = QLA_ERROR; |
685 | int max_chap_entries; |
686 | |
687 | if (!ha->chap_list) { |
688 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n" ); |
689 | goto exit_get_chap; |
690 | } |
691 | |
692 | if (is_qla80XX(ha)) |
693 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
694 | sizeof(struct ql4_chap_table); |
695 | else |
696 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
697 | |
698 | if (chap_index > max_chap_entries) { |
699 | ql4_printk(KERN_ERR, ha, "Invalid Chap index\n" ); |
700 | goto exit_get_chap; |
701 | } |
702 | |
703 | *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; |
704 | if ((*chap_entry)->cookie != |
705 | cpu_to_le16(CHAP_VALID_COOKIE)) { |
706 | *chap_entry = NULL; |
707 | } else { |
708 | rval = QLA_SUCCESS; |
709 | } |
710 | |
711 | exit_get_chap: |
712 | return rval; |
713 | } |
714 | |
715 | /** |
716 | * qla4xxx_find_free_chap_index - Find the first free chap index |
717 | * @ha: pointer to adapter structure |
718 | * @chap_index: CHAP index to be returned |
719 | * |
720 | * Find the first free chap index available in the chap table |
721 | * |
722 | * Note: Caller should acquire the chap lock before getting here. |
723 | **/ |
724 | static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, |
725 | uint16_t *chap_index) |
726 | { |
727 | int i, rval; |
728 | int free_index = -1; |
729 | int max_chap_entries = 0; |
730 | struct ql4_chap_table *chap_table; |
731 | |
732 | if (is_qla80XX(ha)) |
733 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
734 | sizeof(struct ql4_chap_table); |
735 | else |
736 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
737 | |
738 | if (!ha->chap_list) { |
739 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n" ); |
740 | rval = QLA_ERROR; |
741 | goto exit_find_chap; |
742 | } |
743 | |
744 | for (i = 0; i < max_chap_entries; i++) { |
745 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
746 | |
747 | if ((chap_table->cookie != |
748 | cpu_to_le16(CHAP_VALID_COOKIE)) && |
749 | (i > MAX_RESRV_CHAP_IDX)) { |
750 | free_index = i; |
751 | break; |
752 | } |
753 | } |
754 | |
755 | if (free_index != -1) { |
756 | *chap_index = free_index; |
757 | rval = QLA_SUCCESS; |
758 | } else { |
759 | rval = QLA_ERROR; |
760 | } |
761 | |
762 | exit_find_chap: |
763 | return rval; |
764 | } |
765 | |
766 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
767 | uint32_t *num_entries, char *buf) |
768 | { |
769 | struct scsi_qla_host *ha = to_qla_host(shost); |
770 | struct ql4_chap_table *chap_table; |
771 | struct iscsi_chap_rec *chap_rec; |
772 | int max_chap_entries = 0; |
773 | int valid_chap_entries = 0; |
774 | int ret = 0, i; |
775 | |
776 | if (is_qla80XX(ha)) |
777 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
778 | sizeof(struct ql4_chap_table); |
779 | else |
780 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
781 | |
782 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n" , |
783 | __func__, *num_entries, chap_tbl_idx); |
784 | |
785 | if (!buf) { |
786 | ret = -ENOMEM; |
787 | goto exit_get_chap_list; |
788 | } |
789 | |
790 | qla4xxx_create_chap_list(ha); |
791 | |
792 | chap_rec = (struct iscsi_chap_rec *) buf; |
793 | mutex_lock(&ha->chap_sem); |
794 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { |
795 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
796 | if (chap_table->cookie != |
797 | cpu_to_le16(CHAP_VALID_COOKIE)) |
798 | continue; |
799 | |
800 | chap_rec->chap_tbl_idx = i; |
801 | strscpy(p: chap_rec->username, q: chap_table->name, |
802 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); |
803 | strscpy(p: chap_rec->password, q: chap_table->secret, |
804 | QL4_CHAP_MAX_SECRET_LEN); |
805 | chap_rec->password_length = chap_table->secret_len; |
806 | |
807 | if (chap_table->flags & BIT_7) /* local */ |
808 | chap_rec->chap_type = CHAP_TYPE_OUT; |
809 | |
810 | if (chap_table->flags & BIT_6) /* peer */ |
811 | chap_rec->chap_type = CHAP_TYPE_IN; |
812 | |
813 | chap_rec++; |
814 | |
815 | valid_chap_entries++; |
816 | if (valid_chap_entries == *num_entries) |
817 | break; |
818 | } |
819 | mutex_unlock(lock: &ha->chap_sem); |
820 | |
821 | exit_get_chap_list: |
822 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n" , |
823 | __func__, valid_chap_entries); |
824 | *num_entries = valid_chap_entries; |
825 | return ret; |
826 | } |
827 | |
828 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) |
829 | { |
830 | int ret = 0; |
831 | uint16_t *chap_tbl_idx = (uint16_t *) data; |
832 | struct iscsi_cls_session *cls_session; |
833 | struct iscsi_session *sess; |
834 | struct ddb_entry *ddb_entry; |
835 | |
836 | if (!iscsi_is_session_dev(dev)) |
837 | goto exit_is_chap_active; |
838 | |
839 | cls_session = iscsi_dev_to_session(dev); |
840 | sess = cls_session->dd_data; |
841 | ddb_entry = sess->dd_data; |
842 | |
843 | if (iscsi_is_session_online(session: cls_session)) |
844 | goto exit_is_chap_active; |
845 | |
846 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) |
847 | ret = 1; |
848 | |
849 | exit_is_chap_active: |
850 | return ret; |
851 | } |
852 | |
853 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, |
854 | uint16_t chap_tbl_idx) |
855 | { |
856 | int ret = 0; |
857 | |
858 | ret = device_for_each_child(dev: &shost->shost_gendev, data: &chap_tbl_idx, |
859 | fn: __qla4xxx_is_chap_active); |
860 | |
861 | return ret; |
862 | } |
863 | |
864 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) |
865 | { |
866 | struct scsi_qla_host *ha = to_qla_host(shost); |
867 | struct ql4_chap_table *chap_table; |
868 | dma_addr_t chap_dma; |
869 | int max_chap_entries = 0; |
870 | uint32_t offset = 0; |
871 | uint32_t chap_size; |
872 | int ret = 0; |
873 | |
874 | chap_table = dma_pool_zalloc(pool: ha->chap_dma_pool, GFP_KERNEL, handle: &chap_dma); |
875 | if (chap_table == NULL) |
876 | return -ENOMEM; |
877 | |
878 | if (is_qla80XX(ha)) |
879 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
880 | sizeof(struct ql4_chap_table); |
881 | else |
882 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
883 | |
884 | if (chap_tbl_idx > max_chap_entries) { |
885 | ret = -EINVAL; |
886 | goto exit_delete_chap; |
887 | } |
888 | |
889 | /* Check if chap index is in use. |
890 | * If chap is in use don't delet chap entry */ |
891 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); |
892 | if (ret) { |
893 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " |
894 | "delete from flash\n" , chap_tbl_idx); |
895 | ret = -EBUSY; |
896 | goto exit_delete_chap; |
897 | } |
898 | |
899 | chap_size = sizeof(struct ql4_chap_table); |
900 | if (is_qla40XX(ha)) |
901 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); |
902 | else { |
903 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
904 | /* flt_chap_size is CHAP table size for both ports |
905 | * so divide it by 2 to calculate the offset for second port |
906 | */ |
907 | if (ha->port_num == 1) |
908 | offset += (ha->hw.flt_chap_size / 2); |
909 | offset += (chap_tbl_idx * chap_size); |
910 | } |
911 | |
912 | ret = qla4xxx_get_flash(ha, dma_addr: chap_dma, offset, len: chap_size); |
913 | if (ret != QLA_SUCCESS) { |
914 | ret = -EINVAL; |
915 | goto exit_delete_chap; |
916 | } |
917 | |
918 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n" , |
919 | __le16_to_cpu(chap_table->cookie))); |
920 | |
921 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { |
922 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n" ); |
923 | goto exit_delete_chap; |
924 | } |
925 | |
926 | chap_table->cookie = cpu_to_le16(0xFFFF); |
927 | |
928 | offset = FLASH_CHAP_OFFSET | |
929 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); |
930 | ret = qla4xxx_set_flash(ha, dma_addr: chap_dma, offset, length: chap_size, |
931 | FLASH_OPT_RMW_COMMIT); |
932 | if (ret == QLA_SUCCESS && ha->chap_list) { |
933 | mutex_lock(&ha->chap_sem); |
934 | /* Update ha chap_list cache */ |
935 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, |
936 | chap_table, sizeof(struct ql4_chap_table)); |
937 | mutex_unlock(lock: &ha->chap_sem); |
938 | } |
939 | if (ret != QLA_SUCCESS) |
940 | ret = -EINVAL; |
941 | |
942 | exit_delete_chap: |
943 | dma_pool_free(pool: ha->chap_dma_pool, vaddr: chap_table, addr: chap_dma); |
944 | return ret; |
945 | } |
946 | |
947 | /** |
948 | * qla4xxx_set_chap_entry - Make chap entry with given information |
949 | * @shost: pointer to host |
950 | * @data: chap info - credentials, index and type to make chap entry |
951 | * @len: length of data |
952 | * |
953 | * Add or update chap entry with the given information |
954 | **/ |
955 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) |
956 | { |
957 | struct scsi_qla_host *ha = to_qla_host(shost); |
958 | struct iscsi_chap_rec chap_rec; |
959 | struct ql4_chap_table *chap_entry = NULL; |
960 | struct iscsi_param_info *param_info; |
961 | struct nlattr *attr; |
962 | int max_chap_entries = 0; |
963 | int type; |
964 | int rem = len; |
965 | int rc = 0; |
966 | int size; |
967 | |
968 | memset(&chap_rec, 0, sizeof(chap_rec)); |
969 | |
970 | nla_for_each_attr(attr, data, len, rem) { |
971 | if (nla_len(nla: attr) < sizeof(*param_info)) { |
972 | rc = -EINVAL; |
973 | goto exit_set_chap; |
974 | } |
975 | |
976 | param_info = nla_data(nla: attr); |
977 | |
978 | switch (param_info->param) { |
979 | case ISCSI_CHAP_PARAM_INDEX: |
980 | chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; |
981 | break; |
982 | case ISCSI_CHAP_PARAM_CHAP_TYPE: |
983 | chap_rec.chap_type = param_info->value[0]; |
984 | break; |
985 | case ISCSI_CHAP_PARAM_USERNAME: |
986 | size = min_t(size_t, sizeof(chap_rec.username), |
987 | param_info->len); |
988 | memcpy(chap_rec.username, param_info->value, size); |
989 | break; |
990 | case ISCSI_CHAP_PARAM_PASSWORD: |
991 | size = min_t(size_t, sizeof(chap_rec.password), |
992 | param_info->len); |
993 | memcpy(chap_rec.password, param_info->value, size); |
994 | break; |
995 | case ISCSI_CHAP_PARAM_PASSWORD_LEN: |
996 | chap_rec.password_length = param_info->value[0]; |
997 | break; |
998 | default: |
999 | ql4_printk(KERN_ERR, ha, |
1000 | "%s: No such sysfs attribute\n" , __func__); |
1001 | rc = -ENOSYS; |
1002 | goto exit_set_chap; |
1003 | } |
1004 | } |
1005 | |
1006 | if (chap_rec.chap_type == CHAP_TYPE_IN) |
1007 | type = BIDI_CHAP; |
1008 | else |
1009 | type = LOCAL_CHAP; |
1010 | |
1011 | if (is_qla80XX(ha)) |
1012 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
1013 | sizeof(struct ql4_chap_table); |
1014 | else |
1015 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
1016 | |
1017 | mutex_lock(&ha->chap_sem); |
1018 | if (chap_rec.chap_tbl_idx < max_chap_entries) { |
1019 | rc = qla4xxx_get_chap_by_index(ha, chap_index: chap_rec.chap_tbl_idx, |
1020 | chap_entry: &chap_entry); |
1021 | if (!rc) { |
1022 | if (!(type == qla4xxx_get_chap_type(chap_entry))) { |
1023 | ql4_printk(KERN_INFO, ha, |
1024 | "Type mismatch for CHAP entry %d\n" , |
1025 | chap_rec.chap_tbl_idx); |
1026 | rc = -EINVAL; |
1027 | goto exit_unlock_chap; |
1028 | } |
1029 | |
1030 | /* If chap index is in use then don't modify it */ |
1031 | rc = qla4xxx_is_chap_active(shost, |
1032 | chap_tbl_idx: chap_rec.chap_tbl_idx); |
1033 | if (rc) { |
1034 | ql4_printk(KERN_INFO, ha, |
1035 | "CHAP entry %d is in use\n" , |
1036 | chap_rec.chap_tbl_idx); |
1037 | rc = -EBUSY; |
1038 | goto exit_unlock_chap; |
1039 | } |
1040 | } |
1041 | } else { |
1042 | rc = qla4xxx_find_free_chap_index(ha, chap_index: &chap_rec.chap_tbl_idx); |
1043 | if (rc) { |
1044 | ql4_printk(KERN_INFO, ha, "CHAP entry not available\n" ); |
1045 | rc = -EBUSY; |
1046 | goto exit_unlock_chap; |
1047 | } |
1048 | } |
1049 | |
1050 | rc = qla4xxx_set_chap(ha, username: chap_rec.username, password: chap_rec.password, |
1051 | idx: chap_rec.chap_tbl_idx, bidi: type); |
1052 | |
1053 | exit_unlock_chap: |
1054 | mutex_unlock(lock: &ha->chap_sem); |
1055 | |
1056 | exit_set_chap: |
1057 | return rc; |
1058 | } |
1059 | |
1060 | |
1061 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) |
1062 | { |
1063 | struct scsi_qla_host *ha = to_qla_host(shost); |
1064 | struct iscsi_offload_host_stats *host_stats = NULL; |
1065 | int host_stats_size; |
1066 | int ret = 0; |
1067 | int ddb_idx = 0; |
1068 | struct ql_iscsi_stats *ql_iscsi_stats = NULL; |
1069 | int stats_size; |
1070 | dma_addr_t iscsi_stats_dma; |
1071 | |
1072 | DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n" , __func__)); |
1073 | |
1074 | host_stats_size = sizeof(struct iscsi_offload_host_stats); |
1075 | |
1076 | if (host_stats_size != len) { |
1077 | ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n" , |
1078 | __func__, len, host_stats_size); |
1079 | ret = -EINVAL; |
1080 | goto exit_host_stats; |
1081 | } |
1082 | host_stats = (struct iscsi_offload_host_stats *)buf; |
1083 | |
1084 | if (!buf) { |
1085 | ret = -ENOMEM; |
1086 | goto exit_host_stats; |
1087 | } |
1088 | |
1089 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
1090 | |
1091 | ql_iscsi_stats = dma_alloc_coherent(dev: &ha->pdev->dev, size: stats_size, |
1092 | dma_handle: &iscsi_stats_dma, GFP_KERNEL); |
1093 | if (!ql_iscsi_stats) { |
1094 | ql4_printk(KERN_ERR, ha, |
1095 | "Unable to allocate memory for iscsi stats\n" ); |
1096 | ret = -ENOMEM; |
1097 | goto exit_host_stats; |
1098 | } |
1099 | |
1100 | ret = qla4xxx_get_mgmt_data(ha, fw_ddb_index: ddb_idx, stats_size, |
1101 | stats_dma: iscsi_stats_dma); |
1102 | if (ret != QLA_SUCCESS) { |
1103 | ql4_printk(KERN_ERR, ha, |
1104 | "Unable to retrieve iscsi stats\n" ); |
1105 | ret = -EIO; |
1106 | goto exit_host_stats; |
1107 | } |
1108 | host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); |
1109 | host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); |
1110 | host_stats->mactx_multicast_frames = |
1111 | le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); |
1112 | host_stats->mactx_broadcast_frames = |
1113 | le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); |
1114 | host_stats->mactx_pause_frames = |
1115 | le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); |
1116 | host_stats->mactx_control_frames = |
1117 | le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); |
1118 | host_stats->mactx_deferral = |
1119 | le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); |
1120 | host_stats->mactx_excess_deferral = |
1121 | le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); |
1122 | host_stats->mactx_late_collision = |
1123 | le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); |
1124 | host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); |
1125 | host_stats->mactx_single_collision = |
1126 | le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); |
1127 | host_stats->mactx_multiple_collision = |
1128 | le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); |
1129 | host_stats->mactx_collision = |
1130 | le64_to_cpu(ql_iscsi_stats->mac_tx_collision); |
1131 | host_stats->mactx_frames_dropped = |
1132 | le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); |
1133 | host_stats->mactx_jumbo_frames = |
1134 | le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); |
1135 | host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); |
1136 | host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); |
1137 | host_stats->macrx_unknown_control_frames = |
1138 | le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); |
1139 | host_stats->macrx_pause_frames = |
1140 | le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); |
1141 | host_stats->macrx_control_frames = |
1142 | le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); |
1143 | host_stats->macrx_dribble = |
1144 | le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); |
1145 | host_stats->macrx_frame_length_error = |
1146 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); |
1147 | host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); |
1148 | host_stats->macrx_carrier_sense_error = |
1149 | le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); |
1150 | host_stats->macrx_frame_discarded = |
1151 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); |
1152 | host_stats->macrx_frames_dropped = |
1153 | le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); |
1154 | host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); |
1155 | host_stats->mac_encoding_error = |
1156 | le64_to_cpu(ql_iscsi_stats->mac_encoding_error); |
1157 | host_stats->macrx_length_error_large = |
1158 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); |
1159 | host_stats->macrx_length_error_small = |
1160 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); |
1161 | host_stats->macrx_multicast_frames = |
1162 | le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); |
1163 | host_stats->macrx_broadcast_frames = |
1164 | le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); |
1165 | host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); |
1166 | host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); |
1167 | host_stats->iptx_fragments = |
1168 | le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); |
1169 | host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); |
1170 | host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); |
1171 | host_stats->iprx_fragments = |
1172 | le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); |
1173 | host_stats->ip_datagram_reassembly = |
1174 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); |
1175 | host_stats->ip_invalid_address_error = |
1176 | le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); |
1177 | host_stats->ip_error_packets = |
1178 | le64_to_cpu(ql_iscsi_stats->ip_error_packets); |
1179 | host_stats->ip_fragrx_overlap = |
1180 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); |
1181 | host_stats->ip_fragrx_outoforder = |
1182 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); |
1183 | host_stats->ip_datagram_reassembly_timeout = |
1184 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); |
1185 | host_stats->ipv6tx_packets = |
1186 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); |
1187 | host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); |
1188 | host_stats->ipv6tx_fragments = |
1189 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); |
1190 | host_stats->ipv6rx_packets = |
1191 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); |
1192 | host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); |
1193 | host_stats->ipv6rx_fragments = |
1194 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); |
1195 | host_stats->ipv6_datagram_reassembly = |
1196 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); |
1197 | host_stats->ipv6_invalid_address_error = |
1198 | le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); |
1199 | host_stats->ipv6_error_packets = |
1200 | le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); |
1201 | host_stats->ipv6_fragrx_overlap = |
1202 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); |
1203 | host_stats->ipv6_fragrx_outoforder = |
1204 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); |
1205 | host_stats->ipv6_datagram_reassembly_timeout = |
1206 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); |
1207 | host_stats->tcptx_segments = |
1208 | le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); |
1209 | host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); |
1210 | host_stats->tcprx_segments = |
1211 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); |
1212 | host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); |
1213 | host_stats->tcp_duplicate_ack_retx = |
1214 | le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); |
1215 | host_stats->tcp_retx_timer_expired = |
1216 | le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); |
1217 | host_stats->tcprx_duplicate_ack = |
1218 | le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); |
1219 | host_stats->tcprx_pure_ackr = |
1220 | le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); |
1221 | host_stats->tcptx_delayed_ack = |
1222 | le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); |
1223 | host_stats->tcptx_pure_ack = |
1224 | le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); |
1225 | host_stats->tcprx_segment_error = |
1226 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); |
1227 | host_stats->tcprx_segment_outoforder = |
1228 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); |
1229 | host_stats->tcprx_window_probe = |
1230 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); |
1231 | host_stats->tcprx_window_update = |
1232 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); |
1233 | host_stats->tcptx_window_probe_persist = |
1234 | le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); |
1235 | host_stats->ecc_error_correction = |
1236 | le64_to_cpu(ql_iscsi_stats->ecc_error_correction); |
1237 | host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); |
1238 | host_stats->iscsi_data_bytes_tx = |
1239 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); |
1240 | host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); |
1241 | host_stats->iscsi_data_bytes_rx = |
1242 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); |
1243 | host_stats->iscsi_io_completed = |
1244 | le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); |
1245 | host_stats->iscsi_unexpected_io_rx = |
1246 | le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); |
1247 | host_stats->iscsi_format_error = |
1248 | le64_to_cpu(ql_iscsi_stats->iscsi_format_error); |
1249 | host_stats->iscsi_hdr_digest_error = |
1250 | le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); |
1251 | host_stats->iscsi_data_digest_error = |
1252 | le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); |
1253 | host_stats->iscsi_sequence_error = |
1254 | le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); |
1255 | exit_host_stats: |
1256 | if (ql_iscsi_stats) |
1257 | dma_free_coherent(dev: &ha->pdev->dev, size: stats_size, |
1258 | cpu_addr: ql_iscsi_stats, dma_handle: iscsi_stats_dma); |
1259 | |
1260 | ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n" , |
1261 | __func__); |
1262 | return ret; |
1263 | } |
1264 | |
1265 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
1266 | enum iscsi_param_type param_type, |
1267 | int param, char *buf) |
1268 | { |
1269 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); |
1270 | struct scsi_qla_host *ha = to_qla_host(shost); |
1271 | int ival; |
1272 | char *pval = NULL; |
1273 | int len = -ENOSYS; |
1274 | |
1275 | if (param_type == ISCSI_NET_PARAM) { |
1276 | switch (param) { |
1277 | case ISCSI_NET_PARAM_IPV4_ADDR: |
1278 | len = sprintf(buf, fmt: "%pI4\n" , &ha->ip_config.ip_address); |
1279 | break; |
1280 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
1281 | len = sprintf(buf, fmt: "%pI4\n" , |
1282 | &ha->ip_config.subnet_mask); |
1283 | break; |
1284 | case ISCSI_NET_PARAM_IPV4_GW: |
1285 | len = sprintf(buf, fmt: "%pI4\n" , &ha->ip_config.gateway); |
1286 | break; |
1287 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
1288 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1289 | OP_STATE(ha->ip_config.ipv4_options, |
1290 | IPOPT_IPV4_PROTOCOL_ENABLE, pval); |
1291 | } else { |
1292 | OP_STATE(ha->ip_config.ipv6_options, |
1293 | IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); |
1294 | } |
1295 | |
1296 | len = sprintf(buf, fmt: "%s\n" , pval); |
1297 | break; |
1298 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
1299 | len = sprintf(buf, fmt: "%s\n" , |
1300 | (ha->ip_config.tcp_options & |
1301 | TCPOPT_DHCP_ENABLE) ? |
1302 | "dhcp" : "static" ); |
1303 | break; |
1304 | case ISCSI_NET_PARAM_IPV6_ADDR: |
1305 | if (iface->iface_num == 0) |
1306 | len = sprintf(buf, fmt: "%pI6\n" , |
1307 | &ha->ip_config.ipv6_addr0); |
1308 | if (iface->iface_num == 1) |
1309 | len = sprintf(buf, fmt: "%pI6\n" , |
1310 | &ha->ip_config.ipv6_addr1); |
1311 | break; |
1312 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
1313 | len = sprintf(buf, fmt: "%pI6\n" , |
1314 | &ha->ip_config.ipv6_link_local_addr); |
1315 | break; |
1316 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
1317 | len = sprintf(buf, fmt: "%pI6\n" , |
1318 | &ha->ip_config.ipv6_default_router_addr); |
1319 | break; |
1320 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
1321 | pval = (ha->ip_config.ipv6_addl_options & |
1322 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? |
1323 | "nd" : "static" ; |
1324 | |
1325 | len = sprintf(buf, fmt: "%s\n" , pval); |
1326 | break; |
1327 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
1328 | pval = (ha->ip_config.ipv6_addl_options & |
1329 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? |
1330 | "auto" : "static" ; |
1331 | |
1332 | len = sprintf(buf, fmt: "%s\n" , pval); |
1333 | break; |
1334 | case ISCSI_NET_PARAM_VLAN_ID: |
1335 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1336 | ival = ha->ip_config.ipv4_vlan_tag & |
1337 | ISCSI_MAX_VLAN_ID; |
1338 | else |
1339 | ival = ha->ip_config.ipv6_vlan_tag & |
1340 | ISCSI_MAX_VLAN_ID; |
1341 | |
1342 | len = sprintf(buf, fmt: "%d\n" , ival); |
1343 | break; |
1344 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
1345 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1346 | ival = (ha->ip_config.ipv4_vlan_tag >> 13) & |
1347 | ISCSI_MAX_VLAN_PRIORITY; |
1348 | else |
1349 | ival = (ha->ip_config.ipv6_vlan_tag >> 13) & |
1350 | ISCSI_MAX_VLAN_PRIORITY; |
1351 | |
1352 | len = sprintf(buf, fmt: "%d\n" , ival); |
1353 | break; |
1354 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
1355 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1356 | OP_STATE(ha->ip_config.ipv4_options, |
1357 | IPOPT_VLAN_TAGGING_ENABLE, pval); |
1358 | } else { |
1359 | OP_STATE(ha->ip_config.ipv6_options, |
1360 | IPV6_OPT_VLAN_TAGGING_ENABLE, pval); |
1361 | } |
1362 | len = sprintf(buf, fmt: "%s\n" , pval); |
1363 | break; |
1364 | case ISCSI_NET_PARAM_MTU: |
1365 | len = sprintf(buf, fmt: "%d\n" , ha->ip_config.eth_mtu_size); |
1366 | break; |
1367 | case ISCSI_NET_PARAM_PORT: |
1368 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1369 | len = sprintf(buf, fmt: "%d\n" , |
1370 | ha->ip_config.ipv4_port); |
1371 | else |
1372 | len = sprintf(buf, fmt: "%d\n" , |
1373 | ha->ip_config.ipv6_port); |
1374 | break; |
1375 | case ISCSI_NET_PARAM_IPADDR_STATE: |
1376 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1377 | pval = iscsi_get_ipaddress_state_name( |
1378 | port_state: ha->ip_config.ipv4_addr_state); |
1379 | } else { |
1380 | if (iface->iface_num == 0) |
1381 | pval = iscsi_get_ipaddress_state_name( |
1382 | port_state: ha->ip_config.ipv6_addr0_state); |
1383 | else if (iface->iface_num == 1) |
1384 | pval = iscsi_get_ipaddress_state_name( |
1385 | port_state: ha->ip_config.ipv6_addr1_state); |
1386 | } |
1387 | |
1388 | len = sprintf(buf, fmt: "%s\n" , pval); |
1389 | break; |
1390 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: |
1391 | pval = iscsi_get_ipaddress_state_name( |
1392 | port_state: ha->ip_config.ipv6_link_local_state); |
1393 | len = sprintf(buf, fmt: "%s\n" , pval); |
1394 | break; |
1395 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: |
1396 | pval = iscsi_get_router_state_name( |
1397 | router_state: ha->ip_config.ipv6_default_router_state); |
1398 | len = sprintf(buf, fmt: "%s\n" , pval); |
1399 | break; |
1400 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
1401 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1402 | OP_STATE(~ha->ip_config.tcp_options, |
1403 | TCPOPT_DELAYED_ACK_DISABLE, pval); |
1404 | } else { |
1405 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
1406 | IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); |
1407 | } |
1408 | len = sprintf(buf, fmt: "%s\n" , pval); |
1409 | break; |
1410 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
1411 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1412 | OP_STATE(~ha->ip_config.tcp_options, |
1413 | TCPOPT_NAGLE_ALGO_DISABLE, pval); |
1414 | } else { |
1415 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
1416 | IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); |
1417 | } |
1418 | len = sprintf(buf, fmt: "%s\n" , pval); |
1419 | break; |
1420 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
1421 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1422 | OP_STATE(~ha->ip_config.tcp_options, |
1423 | TCPOPT_WINDOW_SCALE_DISABLE, pval); |
1424 | } else { |
1425 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
1426 | IPV6_TCPOPT_WINDOW_SCALE_DISABLE, |
1427 | pval); |
1428 | } |
1429 | len = sprintf(buf, fmt: "%s\n" , pval); |
1430 | break; |
1431 | case ISCSI_NET_PARAM_TCP_WSF: |
1432 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1433 | len = sprintf(buf, fmt: "%d\n" , |
1434 | ha->ip_config.tcp_wsf); |
1435 | else |
1436 | len = sprintf(buf, fmt: "%d\n" , |
1437 | ha->ip_config.ipv6_tcp_wsf); |
1438 | break; |
1439 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
1440 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1441 | ival = (ha->ip_config.tcp_options & |
1442 | TCPOPT_TIMER_SCALE) >> 1; |
1443 | else |
1444 | ival = (ha->ip_config.ipv6_tcp_options & |
1445 | IPV6_TCPOPT_TIMER_SCALE) >> 1; |
1446 | |
1447 | len = sprintf(buf, fmt: "%d\n" , ival); |
1448 | break; |
1449 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
1450 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1451 | OP_STATE(ha->ip_config.tcp_options, |
1452 | TCPOPT_TIMESTAMP_ENABLE, pval); |
1453 | } else { |
1454 | OP_STATE(ha->ip_config.ipv6_tcp_options, |
1455 | IPV6_TCPOPT_TIMESTAMP_EN, pval); |
1456 | } |
1457 | len = sprintf(buf, fmt: "%s\n" , pval); |
1458 | break; |
1459 | case ISCSI_NET_PARAM_CACHE_ID: |
1460 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
1461 | len = sprintf(buf, fmt: "%d\n" , |
1462 | ha->ip_config.ipv4_cache_id); |
1463 | else |
1464 | len = sprintf(buf, fmt: "%d\n" , |
1465 | ha->ip_config.ipv6_cache_id); |
1466 | break; |
1467 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
1468 | OP_STATE(ha->ip_config.tcp_options, |
1469 | TCPOPT_DNS_SERVER_IP_EN, pval); |
1470 | |
1471 | len = sprintf(buf, fmt: "%s\n" , pval); |
1472 | break; |
1473 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
1474 | OP_STATE(ha->ip_config.tcp_options, |
1475 | TCPOPT_SLP_DA_INFO_EN, pval); |
1476 | |
1477 | len = sprintf(buf, fmt: "%s\n" , pval); |
1478 | break; |
1479 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
1480 | OP_STATE(ha->ip_config.ipv4_options, |
1481 | IPOPT_IPV4_TOS_EN, pval); |
1482 | |
1483 | len = sprintf(buf, fmt: "%s\n" , pval); |
1484 | break; |
1485 | case ISCSI_NET_PARAM_IPV4_TOS: |
1486 | len = sprintf(buf, fmt: "%d\n" , ha->ip_config.ipv4_tos); |
1487 | break; |
1488 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
1489 | OP_STATE(ha->ip_config.ipv4_options, |
1490 | IPOPT_GRAT_ARP_EN, pval); |
1491 | |
1492 | len = sprintf(buf, fmt: "%s\n" , pval); |
1493 | break; |
1494 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
1495 | OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, |
1496 | pval); |
1497 | |
1498 | len = sprintf(buf, fmt: "%s\n" , pval); |
1499 | break; |
1500 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
1501 | pval = (ha->ip_config.ipv4_alt_cid_len) ? |
1502 | (char *)ha->ip_config.ipv4_alt_cid : "" ; |
1503 | |
1504 | len = sprintf(buf, fmt: "%s\n" , pval); |
1505 | break; |
1506 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
1507 | OP_STATE(ha->ip_config.ipv4_options, |
1508 | IPOPT_REQ_VID_EN, pval); |
1509 | |
1510 | len = sprintf(buf, fmt: "%s\n" , pval); |
1511 | break; |
1512 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
1513 | OP_STATE(ha->ip_config.ipv4_options, |
1514 | IPOPT_USE_VID_EN, pval); |
1515 | |
1516 | len = sprintf(buf, fmt: "%s\n" , pval); |
1517 | break; |
1518 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
1519 | pval = (ha->ip_config.ipv4_vid_len) ? |
1520 | (char *)ha->ip_config.ipv4_vid : "" ; |
1521 | |
1522 | len = sprintf(buf, fmt: "%s\n" , pval); |
1523 | break; |
1524 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
1525 | OP_STATE(ha->ip_config.ipv4_options, |
1526 | IPOPT_LEARN_IQN_EN, pval); |
1527 | |
1528 | len = sprintf(buf, fmt: "%s\n" , pval); |
1529 | break; |
1530 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
1531 | OP_STATE(~ha->ip_config.ipv4_options, |
1532 | IPOPT_FRAGMENTATION_DISABLE, pval); |
1533 | |
1534 | len = sprintf(buf, fmt: "%s\n" , pval); |
1535 | break; |
1536 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
1537 | OP_STATE(ha->ip_config.ipv4_options, |
1538 | IPOPT_IN_FORWARD_EN, pval); |
1539 | |
1540 | len = sprintf(buf, fmt: "%s\n" , pval); |
1541 | break; |
1542 | case ISCSI_NET_PARAM_REDIRECT_EN: |
1543 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
1544 | OP_STATE(ha->ip_config.ipv4_options, |
1545 | IPOPT_ARP_REDIRECT_EN, pval); |
1546 | } else { |
1547 | OP_STATE(ha->ip_config.ipv6_options, |
1548 | IPV6_OPT_REDIRECT_EN, pval); |
1549 | } |
1550 | len = sprintf(buf, fmt: "%s\n" , pval); |
1551 | break; |
1552 | case ISCSI_NET_PARAM_IPV4_TTL: |
1553 | len = sprintf(buf, fmt: "%d\n" , ha->ip_config.ipv4_ttl); |
1554 | break; |
1555 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
1556 | OP_STATE(ha->ip_config.ipv6_options, |
1557 | IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); |
1558 | |
1559 | len = sprintf(buf, fmt: "%s\n" , pval); |
1560 | break; |
1561 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
1562 | OP_STATE(ha->ip_config.ipv6_addl_options, |
1563 | IPV6_ADDOPT_MLD_EN, pval); |
1564 | |
1565 | len = sprintf(buf, fmt: "%s\n" , pval); |
1566 | break; |
1567 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
1568 | len = sprintf(buf, fmt: "%u\n" , ha->ip_config.ipv6_flow_lbl); |
1569 | break; |
1570 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
1571 | len = sprintf(buf, fmt: "%d\n" , |
1572 | ha->ip_config.ipv6_traffic_class); |
1573 | break; |
1574 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
1575 | len = sprintf(buf, fmt: "%d\n" , |
1576 | ha->ip_config.ipv6_hop_limit); |
1577 | break; |
1578 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
1579 | len = sprintf(buf, fmt: "%d\n" , |
1580 | ha->ip_config.ipv6_nd_reach_time); |
1581 | break; |
1582 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
1583 | len = sprintf(buf, fmt: "%d\n" , |
1584 | ha->ip_config.ipv6_nd_rexmit_timer); |
1585 | break; |
1586 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
1587 | len = sprintf(buf, fmt: "%d\n" , |
1588 | ha->ip_config.ipv6_nd_stale_timeout); |
1589 | break; |
1590 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
1591 | len = sprintf(buf, fmt: "%d\n" , |
1592 | ha->ip_config.ipv6_dup_addr_detect_count); |
1593 | break; |
1594 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
1595 | len = sprintf(buf, fmt: "%d\n" , |
1596 | ha->ip_config.ipv6_gw_advrt_mtu); |
1597 | break; |
1598 | default: |
1599 | len = -ENOSYS; |
1600 | } |
1601 | } else if (param_type == ISCSI_IFACE_PARAM) { |
1602 | switch (param) { |
1603 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
1604 | len = sprintf(buf, fmt: "%d\n" , ha->ip_config.def_timeout); |
1605 | break; |
1606 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
1607 | OP_STATE(ha->ip_config.iscsi_options, |
1608 | ISCSIOPTS_HEADER_DIGEST_EN, pval); |
1609 | |
1610 | len = sprintf(buf, fmt: "%s\n" , pval); |
1611 | break; |
1612 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
1613 | OP_STATE(ha->ip_config.iscsi_options, |
1614 | ISCSIOPTS_DATA_DIGEST_EN, pval); |
1615 | |
1616 | len = sprintf(buf, fmt: "%s\n" , pval); |
1617 | break; |
1618 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
1619 | OP_STATE(ha->ip_config.iscsi_options, |
1620 | ISCSIOPTS_IMMEDIATE_DATA_EN, pval); |
1621 | |
1622 | len = sprintf(buf, fmt: "%s\n" , pval); |
1623 | break; |
1624 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
1625 | OP_STATE(ha->ip_config.iscsi_options, |
1626 | ISCSIOPTS_INITIAL_R2T_EN, pval); |
1627 | |
1628 | len = sprintf(buf, fmt: "%s\n" , pval); |
1629 | break; |
1630 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
1631 | OP_STATE(ha->ip_config.iscsi_options, |
1632 | ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); |
1633 | |
1634 | len = sprintf(buf, fmt: "%s\n" , pval); |
1635 | break; |
1636 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
1637 | OP_STATE(ha->ip_config.iscsi_options, |
1638 | ISCSIOPTS_DATA_PDU_INORDER_EN, pval); |
1639 | |
1640 | len = sprintf(buf, fmt: "%s\n" , pval); |
1641 | break; |
1642 | case ISCSI_IFACE_PARAM_ERL: |
1643 | len = sprintf(buf, fmt: "%d\n" , |
1644 | (ha->ip_config.iscsi_options & |
1645 | ISCSIOPTS_ERL)); |
1646 | break; |
1647 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
1648 | len = sprintf(buf, fmt: "%u\n" , |
1649 | ha->ip_config.iscsi_max_pdu_size * |
1650 | BYTE_UNITS); |
1651 | break; |
1652 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
1653 | len = sprintf(buf, fmt: "%u\n" , |
1654 | ha->ip_config.iscsi_first_burst_len * |
1655 | BYTE_UNITS); |
1656 | break; |
1657 | case ISCSI_IFACE_PARAM_MAX_R2T: |
1658 | len = sprintf(buf, fmt: "%d\n" , |
1659 | ha->ip_config.iscsi_max_outstnd_r2t); |
1660 | break; |
1661 | case ISCSI_IFACE_PARAM_MAX_BURST: |
1662 | len = sprintf(buf, fmt: "%u\n" , |
1663 | ha->ip_config.iscsi_max_burst_len * |
1664 | BYTE_UNITS); |
1665 | break; |
1666 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
1667 | OP_STATE(ha->ip_config.iscsi_options, |
1668 | ISCSIOPTS_CHAP_AUTH_EN, pval); |
1669 | |
1670 | len = sprintf(buf, fmt: "%s\n" , pval); |
1671 | break; |
1672 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
1673 | OP_STATE(ha->ip_config.iscsi_options, |
1674 | ISCSIOPTS_BIDI_CHAP_EN, pval); |
1675 | |
1676 | len = sprintf(buf, fmt: "%s\n" , pval); |
1677 | break; |
1678 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
1679 | OP_STATE(ha->ip_config.iscsi_options, |
1680 | ISCSIOPTS_DISCOVERY_AUTH_EN, pval); |
1681 | |
1682 | len = sprintf(buf, fmt: "%s\n" , pval); |
1683 | break; |
1684 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
1685 | OP_STATE(ha->ip_config.iscsi_options, |
1686 | ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); |
1687 | |
1688 | len = sprintf(buf, fmt: "%s\n" , pval); |
1689 | break; |
1690 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
1691 | OP_STATE(ha->ip_config.iscsi_options, |
1692 | ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); |
1693 | |
1694 | len = sprintf(buf, fmt: "%s\n" , pval); |
1695 | break; |
1696 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: |
1697 | len = sprintf(buf, fmt: "%s\n" , ha->ip_config.iscsi_name); |
1698 | break; |
1699 | default: |
1700 | len = -ENOSYS; |
1701 | } |
1702 | } |
1703 | |
1704 | return len; |
1705 | } |
1706 | |
1707 | static struct iscsi_endpoint * |
1708 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, |
1709 | int non_blocking) |
1710 | { |
1711 | int ret; |
1712 | struct iscsi_endpoint *ep; |
1713 | struct qla_endpoint *qla_ep; |
1714 | struct scsi_qla_host *ha; |
1715 | struct sockaddr_in *addr; |
1716 | struct sockaddr_in6 *addr6; |
1717 | |
1718 | if (!shost) { |
1719 | ret = -ENXIO; |
1720 | pr_err("%s: shost is NULL\n" , __func__); |
1721 | return ERR_PTR(error: ret); |
1722 | } |
1723 | |
1724 | ha = iscsi_host_priv(shost); |
1725 | ep = iscsi_create_endpoint(dd_size: sizeof(struct qla_endpoint)); |
1726 | if (!ep) { |
1727 | ret = -ENOMEM; |
1728 | return ERR_PTR(error: ret); |
1729 | } |
1730 | |
1731 | qla_ep = ep->dd_data; |
1732 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); |
1733 | if (dst_addr->sa_family == AF_INET) { |
1734 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); |
1735 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; |
1736 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n" , __func__, |
1737 | (char *)&addr->sin_addr)); |
1738 | } else if (dst_addr->sa_family == AF_INET6) { |
1739 | memcpy(&qla_ep->dst_addr, dst_addr, |
1740 | sizeof(struct sockaddr_in6)); |
1741 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; |
1742 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n" , __func__, |
1743 | (char *)&addr6->sin6_addr)); |
1744 | } else { |
1745 | ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n" , |
1746 | __func__); |
1747 | } |
1748 | |
1749 | qla_ep->host = shost; |
1750 | |
1751 | return ep; |
1752 | } |
1753 | |
1754 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
1755 | { |
1756 | struct qla_endpoint *qla_ep; |
1757 | struct scsi_qla_host *ha; |
1758 | int ret = 0; |
1759 | |
1760 | qla_ep = ep->dd_data; |
1761 | ha = to_qla_host(shost: qla_ep->host); |
1762 | DEBUG2(pr_info_ratelimited("%s: host: %ld\n" , __func__, ha->host_no)); |
1763 | |
1764 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
1765 | ret = 1; |
1766 | |
1767 | return ret; |
1768 | } |
1769 | |
1770 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) |
1771 | { |
1772 | struct qla_endpoint *qla_ep; |
1773 | struct scsi_qla_host *ha; |
1774 | |
1775 | qla_ep = ep->dd_data; |
1776 | ha = to_qla_host(shost: qla_ep->host); |
1777 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n" , __func__, |
1778 | ha->host_no)); |
1779 | iscsi_destroy_endpoint(ep); |
1780 | } |
1781 | |
1782 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
1783 | enum iscsi_param param, |
1784 | char *buf) |
1785 | { |
1786 | struct qla_endpoint *qla_ep = ep->dd_data; |
1787 | struct sockaddr *dst_addr; |
1788 | struct scsi_qla_host *ha; |
1789 | |
1790 | if (!qla_ep) |
1791 | return -ENOTCONN; |
1792 | |
1793 | ha = to_qla_host(shost: qla_ep->host); |
1794 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n" , __func__, |
1795 | ha->host_no)); |
1796 | |
1797 | switch (param) { |
1798 | case ISCSI_PARAM_CONN_PORT: |
1799 | case ISCSI_PARAM_CONN_ADDRESS: |
1800 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
1801 | if (!dst_addr) |
1802 | return -ENOTCONN; |
1803 | |
1804 | return iscsi_conn_get_addr_param(addr: (struct sockaddr_storage *) |
1805 | &qla_ep->dst_addr, param, buf); |
1806 | default: |
1807 | return -ENOSYS; |
1808 | } |
1809 | } |
1810 | |
1811 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
1812 | struct iscsi_stats *stats) |
1813 | { |
1814 | struct iscsi_session *sess; |
1815 | struct iscsi_cls_session *cls_sess; |
1816 | struct ddb_entry *ddb_entry; |
1817 | struct scsi_qla_host *ha; |
1818 | struct ql_iscsi_stats *ql_iscsi_stats; |
1819 | int stats_size; |
1820 | int ret; |
1821 | dma_addr_t iscsi_stats_dma; |
1822 | |
1823 | cls_sess = iscsi_conn_to_session(cls_conn); |
1824 | sess = cls_sess->dd_data; |
1825 | ddb_entry = sess->dd_data; |
1826 | ha = ddb_entry->ha; |
1827 | |
1828 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n" , __func__, |
1829 | ha->host_no)); |
1830 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
1831 | /* Allocate memory */ |
1832 | ql_iscsi_stats = dma_alloc_coherent(dev: &ha->pdev->dev, size: stats_size, |
1833 | dma_handle: &iscsi_stats_dma, GFP_KERNEL); |
1834 | if (!ql_iscsi_stats) { |
1835 | ql4_printk(KERN_ERR, ha, |
1836 | "Unable to allocate memory for iscsi stats\n" ); |
1837 | goto exit_get_stats; |
1838 | } |
1839 | |
1840 | ret = qla4xxx_get_mgmt_data(ha, fw_ddb_index: ddb_entry->fw_ddb_index, stats_size, |
1841 | stats_dma: iscsi_stats_dma); |
1842 | if (ret != QLA_SUCCESS) { |
1843 | ql4_printk(KERN_ERR, ha, |
1844 | "Unable to retrieve iscsi stats\n" ); |
1845 | goto free_stats; |
1846 | } |
1847 | |
1848 | /* octets */ |
1849 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); |
1850 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); |
1851 | /* xmit pdus */ |
1852 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); |
1853 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); |
1854 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); |
1855 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); |
1856 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); |
1857 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); |
1858 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); |
1859 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); |
1860 | /* recv pdus */ |
1861 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); |
1862 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); |
1863 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); |
1864 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); |
1865 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); |
1866 | stats->logoutrsp_pdus = |
1867 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); |
1868 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); |
1869 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); |
1870 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); |
1871 | |
1872 | free_stats: |
1873 | dma_free_coherent(dev: &ha->pdev->dev, size: stats_size, cpu_addr: ql_iscsi_stats, |
1874 | dma_handle: iscsi_stats_dma); |
1875 | exit_get_stats: |
1876 | return; |
1877 | } |
1878 | |
1879 | static enum scsi_timeout_action qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) |
1880 | { |
1881 | struct iscsi_cls_session *session; |
1882 | unsigned long flags; |
1883 | enum scsi_timeout_action ret = SCSI_EH_NOT_HANDLED; |
1884 | |
1885 | session = starget_to_session(scsi_target(sc->device)); |
1886 | |
1887 | spin_lock_irqsave(&session->lock, flags); |
1888 | if (session->state == ISCSI_SESSION_FAILED) |
1889 | ret = SCSI_EH_RESET_TIMER; |
1890 | spin_unlock_irqrestore(lock: &session->lock, flags); |
1891 | |
1892 | return ret; |
1893 | } |
1894 | |
1895 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
1896 | { |
1897 | struct scsi_qla_host *ha = to_qla_host(shost); |
1898 | struct iscsi_cls_host *ihost = shost->shost_data; |
1899 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
1900 | |
1901 | qla4xxx_get_firmware_state(ha); |
1902 | |
1903 | switch (ha->addl_fw_state & 0x0F00) { |
1904 | case FW_ADDSTATE_LINK_SPEED_10MBPS: |
1905 | speed = ISCSI_PORT_SPEED_10MBPS; |
1906 | break; |
1907 | case FW_ADDSTATE_LINK_SPEED_100MBPS: |
1908 | speed = ISCSI_PORT_SPEED_100MBPS; |
1909 | break; |
1910 | case FW_ADDSTATE_LINK_SPEED_1GBPS: |
1911 | speed = ISCSI_PORT_SPEED_1GBPS; |
1912 | break; |
1913 | case FW_ADDSTATE_LINK_SPEED_10GBPS: |
1914 | speed = ISCSI_PORT_SPEED_10GBPS; |
1915 | break; |
1916 | } |
1917 | ihost->port_speed = speed; |
1918 | } |
1919 | |
1920 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) |
1921 | { |
1922 | struct scsi_qla_host *ha = to_qla_host(shost); |
1923 | struct iscsi_cls_host *ihost = shost->shost_data; |
1924 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
1925 | |
1926 | if (test_bit(AF_LINK_UP, &ha->flags)) |
1927 | state = ISCSI_PORT_STATE_UP; |
1928 | |
1929 | ihost->port_state = state; |
1930 | } |
1931 | |
1932 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
1933 | enum iscsi_host_param param, char *buf) |
1934 | { |
1935 | struct scsi_qla_host *ha = to_qla_host(shost); |
1936 | int len; |
1937 | |
1938 | switch (param) { |
1939 | case ISCSI_HOST_PARAM_HWADDRESS: |
1940 | len = sysfs_format_mac(buf, addr: ha->my_mac, MAC_ADDR_LEN); |
1941 | break; |
1942 | case ISCSI_HOST_PARAM_IPADDRESS: |
1943 | len = sprintf(buf, fmt: "%pI4\n" , &ha->ip_config.ip_address); |
1944 | break; |
1945 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
1946 | len = sprintf(buf, fmt: "%s\n" , ha->name_string); |
1947 | break; |
1948 | case ISCSI_HOST_PARAM_PORT_STATE: |
1949 | qla4xxx_set_port_state(shost); |
1950 | len = sprintf(buf, fmt: "%s\n" , iscsi_get_port_state_name(shost)); |
1951 | break; |
1952 | case ISCSI_HOST_PARAM_PORT_SPEED: |
1953 | qla4xxx_set_port_speed(shost); |
1954 | len = sprintf(buf, fmt: "%s\n" , iscsi_get_port_speed_name(shost)); |
1955 | break; |
1956 | default: |
1957 | return -ENOSYS; |
1958 | } |
1959 | |
1960 | return len; |
1961 | } |
1962 | |
1963 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
1964 | { |
1965 | if (ha->iface_ipv4) |
1966 | return; |
1967 | |
1968 | /* IPv4 */ |
1969 | ha->iface_ipv4 = iscsi_create_iface(shost: ha->host, |
1970 | t: &qla4xxx_iscsi_transport, |
1971 | ISCSI_IFACE_TYPE_IPV4, iface_num: 0, dd_size: 0); |
1972 | if (!ha->iface_ipv4) |
1973 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " |
1974 | "iface0.\n" ); |
1975 | } |
1976 | |
1977 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) |
1978 | { |
1979 | if (!ha->iface_ipv6_0) |
1980 | /* IPv6 iface-0 */ |
1981 | ha->iface_ipv6_0 = iscsi_create_iface(shost: ha->host, |
1982 | t: &qla4xxx_iscsi_transport, |
1983 | ISCSI_IFACE_TYPE_IPV6, iface_num: 0, |
1984 | dd_size: 0); |
1985 | if (!ha->iface_ipv6_0) |
1986 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
1987 | "iface0.\n" ); |
1988 | |
1989 | if (!ha->iface_ipv6_1) |
1990 | /* IPv6 iface-1 */ |
1991 | ha->iface_ipv6_1 = iscsi_create_iface(shost: ha->host, |
1992 | t: &qla4xxx_iscsi_transport, |
1993 | ISCSI_IFACE_TYPE_IPV6, iface_num: 1, |
1994 | dd_size: 0); |
1995 | if (!ha->iface_ipv6_1) |
1996 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
1997 | "iface1.\n" ); |
1998 | } |
1999 | |
2000 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) |
2001 | { |
2002 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) |
2003 | qla4xxx_create_ipv4_iface(ha); |
2004 | |
2005 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) |
2006 | qla4xxx_create_ipv6_iface(ha); |
2007 | } |
2008 | |
2009 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) |
2010 | { |
2011 | if (ha->iface_ipv4) { |
2012 | iscsi_destroy_iface(iface: ha->iface_ipv4); |
2013 | ha->iface_ipv4 = NULL; |
2014 | } |
2015 | } |
2016 | |
2017 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) |
2018 | { |
2019 | if (ha->iface_ipv6_0) { |
2020 | iscsi_destroy_iface(iface: ha->iface_ipv6_0); |
2021 | ha->iface_ipv6_0 = NULL; |
2022 | } |
2023 | if (ha->iface_ipv6_1) { |
2024 | iscsi_destroy_iface(iface: ha->iface_ipv6_1); |
2025 | ha->iface_ipv6_1 = NULL; |
2026 | } |
2027 | } |
2028 | |
2029 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) |
2030 | { |
2031 | qla4xxx_destroy_ipv4_iface(ha); |
2032 | qla4xxx_destroy_ipv6_iface(ha); |
2033 | } |
2034 | |
2035 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
2036 | struct iscsi_iface_param_info *iface_param, |
2037 | struct addr_ctrl_blk *init_fw_cb) |
2038 | { |
2039 | /* |
2040 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. |
2041 | * iface_num 1 is valid only for IPv6 Addr. |
2042 | */ |
2043 | switch (iface_param->param) { |
2044 | case ISCSI_NET_PARAM_IPV6_ADDR: |
2045 | if (iface_param->iface_num & 0x1) |
2046 | /* IPv6 Addr 1 */ |
2047 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, |
2048 | sizeof(init_fw_cb->ipv6_addr1)); |
2049 | else |
2050 | /* IPv6 Addr 0 */ |
2051 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, |
2052 | sizeof(init_fw_cb->ipv6_addr0)); |
2053 | break; |
2054 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
2055 | if (iface_param->iface_num & 0x1) |
2056 | break; |
2057 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], |
2058 | sizeof(init_fw_cb->ipv6_if_id)); |
2059 | break; |
2060 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
2061 | if (iface_param->iface_num & 0x1) |
2062 | break; |
2063 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, |
2064 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
2065 | break; |
2066 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
2067 | /* Autocfg applies to even interface */ |
2068 | if (iface_param->iface_num & 0x1) |
2069 | break; |
2070 | |
2071 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) |
2072 | init_fw_cb->ipv6_addtl_opts &= |
2073 | cpu_to_le16( |
2074 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
2075 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) |
2076 | init_fw_cb->ipv6_addtl_opts |= |
2077 | cpu_to_le16( |
2078 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
2079 | else |
2080 | ql4_printk(KERN_ERR, ha, |
2081 | "Invalid autocfg setting for IPv6 addr\n" ); |
2082 | break; |
2083 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
2084 | /* Autocfg applies to even interface */ |
2085 | if (iface_param->iface_num & 0x1) |
2086 | break; |
2087 | |
2088 | if (iface_param->value[0] == |
2089 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) |
2090 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( |
2091 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
2092 | else if (iface_param->value[0] == |
2093 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) |
2094 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( |
2095 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
2096 | else |
2097 | ql4_printk(KERN_ERR, ha, |
2098 | "Invalid autocfg setting for IPv6 linklocal addr\n" ); |
2099 | break; |
2100 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: |
2101 | /* Autocfg applies to even interface */ |
2102 | if (iface_param->iface_num & 0x1) |
2103 | break; |
2104 | |
2105 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) |
2106 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, |
2107 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
2108 | break; |
2109 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
2110 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
2111 | init_fw_cb->ipv6_opts |= |
2112 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); |
2113 | qla4xxx_create_ipv6_iface(ha); |
2114 | } else { |
2115 | init_fw_cb->ipv6_opts &= |
2116 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & |
2117 | 0xFFFF); |
2118 | qla4xxx_destroy_ipv6_iface(ha); |
2119 | } |
2120 | break; |
2121 | case ISCSI_NET_PARAM_VLAN_TAG: |
2122 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
2123 | break; |
2124 | init_fw_cb->ipv6_vlan_tag = |
2125 | cpu_to_be16(*(uint16_t *)iface_param->value); |
2126 | break; |
2127 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
2128 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
2129 | init_fw_cb->ipv6_opts |= |
2130 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); |
2131 | else |
2132 | init_fw_cb->ipv6_opts &= |
2133 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); |
2134 | break; |
2135 | case ISCSI_NET_PARAM_MTU: |
2136 | init_fw_cb->eth_mtu_size = |
2137 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2138 | break; |
2139 | case ISCSI_NET_PARAM_PORT: |
2140 | /* Autocfg applies to even interface */ |
2141 | if (iface_param->iface_num & 0x1) |
2142 | break; |
2143 | |
2144 | init_fw_cb->ipv6_port = |
2145 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2146 | break; |
2147 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2148 | if (iface_param->iface_num & 0x1) |
2149 | break; |
2150 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2151 | init_fw_cb->ipv6_tcp_opts |= |
2152 | cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); |
2153 | else |
2154 | init_fw_cb->ipv6_tcp_opts &= |
2155 | cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & |
2156 | 0xFFFF); |
2157 | break; |
2158 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
2159 | if (iface_param->iface_num & 0x1) |
2160 | break; |
2161 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2162 | init_fw_cb->ipv6_tcp_opts |= |
2163 | cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); |
2164 | else |
2165 | init_fw_cb->ipv6_tcp_opts &= |
2166 | cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); |
2167 | break; |
2168 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
2169 | if (iface_param->iface_num & 0x1) |
2170 | break; |
2171 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2172 | init_fw_cb->ipv6_tcp_opts |= |
2173 | cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); |
2174 | else |
2175 | init_fw_cb->ipv6_tcp_opts &= |
2176 | cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); |
2177 | break; |
2178 | case ISCSI_NET_PARAM_TCP_WSF: |
2179 | if (iface_param->iface_num & 0x1) |
2180 | break; |
2181 | init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; |
2182 | break; |
2183 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
2184 | if (iface_param->iface_num & 0x1) |
2185 | break; |
2186 | init_fw_cb->ipv6_tcp_opts &= |
2187 | cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); |
2188 | init_fw_cb->ipv6_tcp_opts |= |
2189 | cpu_to_le16((iface_param->value[0] << 1) & |
2190 | IPV6_TCPOPT_TIMER_SCALE); |
2191 | break; |
2192 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
2193 | if (iface_param->iface_num & 0x1) |
2194 | break; |
2195 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2196 | init_fw_cb->ipv6_tcp_opts |= |
2197 | cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); |
2198 | else |
2199 | init_fw_cb->ipv6_tcp_opts &= |
2200 | cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); |
2201 | break; |
2202 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
2203 | if (iface_param->iface_num & 0x1) |
2204 | break; |
2205 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2206 | init_fw_cb->ipv6_opts |= |
2207 | cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); |
2208 | else |
2209 | init_fw_cb->ipv6_opts &= |
2210 | cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); |
2211 | break; |
2212 | case ISCSI_NET_PARAM_REDIRECT_EN: |
2213 | if (iface_param->iface_num & 0x1) |
2214 | break; |
2215 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2216 | init_fw_cb->ipv6_opts |= |
2217 | cpu_to_le16(IPV6_OPT_REDIRECT_EN); |
2218 | else |
2219 | init_fw_cb->ipv6_opts &= |
2220 | cpu_to_le16(~IPV6_OPT_REDIRECT_EN); |
2221 | break; |
2222 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
2223 | if (iface_param->iface_num & 0x1) |
2224 | break; |
2225 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2226 | init_fw_cb->ipv6_addtl_opts |= |
2227 | cpu_to_le16(IPV6_ADDOPT_MLD_EN); |
2228 | else |
2229 | init_fw_cb->ipv6_addtl_opts &= |
2230 | cpu_to_le16(~IPV6_ADDOPT_MLD_EN); |
2231 | break; |
2232 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
2233 | if (iface_param->iface_num & 0x1) |
2234 | break; |
2235 | init_fw_cb->ipv6_flow_lbl = |
2236 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2237 | break; |
2238 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
2239 | if (iface_param->iface_num & 0x1) |
2240 | break; |
2241 | init_fw_cb->ipv6_traffic_class = iface_param->value[0]; |
2242 | break; |
2243 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
2244 | if (iface_param->iface_num & 0x1) |
2245 | break; |
2246 | init_fw_cb->ipv6_hop_limit = iface_param->value[0]; |
2247 | break; |
2248 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
2249 | if (iface_param->iface_num & 0x1) |
2250 | break; |
2251 | init_fw_cb->ipv6_nd_reach_time = |
2252 | cpu_to_le32(*(uint32_t *)iface_param->value); |
2253 | break; |
2254 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
2255 | if (iface_param->iface_num & 0x1) |
2256 | break; |
2257 | init_fw_cb->ipv6_nd_rexmit_timer = |
2258 | cpu_to_le32(*(uint32_t *)iface_param->value); |
2259 | break; |
2260 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
2261 | if (iface_param->iface_num & 0x1) |
2262 | break; |
2263 | init_fw_cb->ipv6_nd_stale_timeout = |
2264 | cpu_to_le32(*(uint32_t *)iface_param->value); |
2265 | break; |
2266 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
2267 | if (iface_param->iface_num & 0x1) |
2268 | break; |
2269 | init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; |
2270 | break; |
2271 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
2272 | if (iface_param->iface_num & 0x1) |
2273 | break; |
2274 | init_fw_cb->ipv6_gw_advrt_mtu = |
2275 | cpu_to_le32(*(uint32_t *)iface_param->value); |
2276 | break; |
2277 | default: |
2278 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n" , |
2279 | iface_param->param); |
2280 | break; |
2281 | } |
2282 | } |
2283 | |
2284 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, |
2285 | struct iscsi_iface_param_info *iface_param, |
2286 | struct addr_ctrl_blk *init_fw_cb) |
2287 | { |
2288 | switch (iface_param->param) { |
2289 | case ISCSI_NET_PARAM_IPV4_ADDR: |
2290 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, |
2291 | sizeof(init_fw_cb->ipv4_addr)); |
2292 | break; |
2293 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
2294 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, |
2295 | sizeof(init_fw_cb->ipv4_subnet)); |
2296 | break; |
2297 | case ISCSI_NET_PARAM_IPV4_GW: |
2298 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, |
2299 | sizeof(init_fw_cb->ipv4_gw_addr)); |
2300 | break; |
2301 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
2302 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) |
2303 | init_fw_cb->ipv4_tcp_opts |= |
2304 | cpu_to_le16(TCPOPT_DHCP_ENABLE); |
2305 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) |
2306 | init_fw_cb->ipv4_tcp_opts &= |
2307 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); |
2308 | else |
2309 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n" ); |
2310 | break; |
2311 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
2312 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
2313 | init_fw_cb->ipv4_ip_opts |= |
2314 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
2315 | qla4xxx_create_ipv4_iface(ha); |
2316 | } else { |
2317 | init_fw_cb->ipv4_ip_opts &= |
2318 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
2319 | 0xFFFF); |
2320 | qla4xxx_destroy_ipv4_iface(ha); |
2321 | } |
2322 | break; |
2323 | case ISCSI_NET_PARAM_VLAN_TAG: |
2324 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
2325 | break; |
2326 | init_fw_cb->ipv4_vlan_tag = |
2327 | cpu_to_be16(*(uint16_t *)iface_param->value); |
2328 | break; |
2329 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
2330 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
2331 | init_fw_cb->ipv4_ip_opts |= |
2332 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); |
2333 | else |
2334 | init_fw_cb->ipv4_ip_opts &= |
2335 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); |
2336 | break; |
2337 | case ISCSI_NET_PARAM_MTU: |
2338 | init_fw_cb->eth_mtu_size = |
2339 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2340 | break; |
2341 | case ISCSI_NET_PARAM_PORT: |
2342 | init_fw_cb->ipv4_port = |
2343 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2344 | break; |
2345 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2346 | if (iface_param->iface_num & 0x1) |
2347 | break; |
2348 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2349 | init_fw_cb->ipv4_tcp_opts |= |
2350 | cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); |
2351 | else |
2352 | init_fw_cb->ipv4_tcp_opts &= |
2353 | cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & |
2354 | 0xFFFF); |
2355 | break; |
2356 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
2357 | if (iface_param->iface_num & 0x1) |
2358 | break; |
2359 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2360 | init_fw_cb->ipv4_tcp_opts |= |
2361 | cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); |
2362 | else |
2363 | init_fw_cb->ipv4_tcp_opts &= |
2364 | cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); |
2365 | break; |
2366 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
2367 | if (iface_param->iface_num & 0x1) |
2368 | break; |
2369 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2370 | init_fw_cb->ipv4_tcp_opts |= |
2371 | cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); |
2372 | else |
2373 | init_fw_cb->ipv4_tcp_opts &= |
2374 | cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); |
2375 | break; |
2376 | case ISCSI_NET_PARAM_TCP_WSF: |
2377 | if (iface_param->iface_num & 0x1) |
2378 | break; |
2379 | init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; |
2380 | break; |
2381 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
2382 | if (iface_param->iface_num & 0x1) |
2383 | break; |
2384 | init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); |
2385 | init_fw_cb->ipv4_tcp_opts |= |
2386 | cpu_to_le16((iface_param->value[0] << 1) & |
2387 | TCPOPT_TIMER_SCALE); |
2388 | break; |
2389 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
2390 | if (iface_param->iface_num & 0x1) |
2391 | break; |
2392 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2393 | init_fw_cb->ipv4_tcp_opts |= |
2394 | cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); |
2395 | else |
2396 | init_fw_cb->ipv4_tcp_opts &= |
2397 | cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); |
2398 | break; |
2399 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
2400 | if (iface_param->iface_num & 0x1) |
2401 | break; |
2402 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2403 | init_fw_cb->ipv4_tcp_opts |= |
2404 | cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); |
2405 | else |
2406 | init_fw_cb->ipv4_tcp_opts &= |
2407 | cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); |
2408 | break; |
2409 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
2410 | if (iface_param->iface_num & 0x1) |
2411 | break; |
2412 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2413 | init_fw_cb->ipv4_tcp_opts |= |
2414 | cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); |
2415 | else |
2416 | init_fw_cb->ipv4_tcp_opts &= |
2417 | cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); |
2418 | break; |
2419 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
2420 | if (iface_param->iface_num & 0x1) |
2421 | break; |
2422 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2423 | init_fw_cb->ipv4_ip_opts |= |
2424 | cpu_to_le16(IPOPT_IPV4_TOS_EN); |
2425 | else |
2426 | init_fw_cb->ipv4_ip_opts &= |
2427 | cpu_to_le16(~IPOPT_IPV4_TOS_EN); |
2428 | break; |
2429 | case ISCSI_NET_PARAM_IPV4_TOS: |
2430 | if (iface_param->iface_num & 0x1) |
2431 | break; |
2432 | init_fw_cb->ipv4_tos = iface_param->value[0]; |
2433 | break; |
2434 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
2435 | if (iface_param->iface_num & 0x1) |
2436 | break; |
2437 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2438 | init_fw_cb->ipv4_ip_opts |= |
2439 | cpu_to_le16(IPOPT_GRAT_ARP_EN); |
2440 | else |
2441 | init_fw_cb->ipv4_ip_opts &= |
2442 | cpu_to_le16(~IPOPT_GRAT_ARP_EN); |
2443 | break; |
2444 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
2445 | if (iface_param->iface_num & 0x1) |
2446 | break; |
2447 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2448 | init_fw_cb->ipv4_ip_opts |= |
2449 | cpu_to_le16(IPOPT_ALT_CID_EN); |
2450 | else |
2451 | init_fw_cb->ipv4_ip_opts &= |
2452 | cpu_to_le16(~IPOPT_ALT_CID_EN); |
2453 | break; |
2454 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
2455 | if (iface_param->iface_num & 0x1) |
2456 | break; |
2457 | memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, |
2458 | (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); |
2459 | init_fw_cb->ipv4_dhcp_alt_cid_len = |
2460 | strlen(init_fw_cb->ipv4_dhcp_alt_cid); |
2461 | break; |
2462 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
2463 | if (iface_param->iface_num & 0x1) |
2464 | break; |
2465 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2466 | init_fw_cb->ipv4_ip_opts |= |
2467 | cpu_to_le16(IPOPT_REQ_VID_EN); |
2468 | else |
2469 | init_fw_cb->ipv4_ip_opts &= |
2470 | cpu_to_le16(~IPOPT_REQ_VID_EN); |
2471 | break; |
2472 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
2473 | if (iface_param->iface_num & 0x1) |
2474 | break; |
2475 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2476 | init_fw_cb->ipv4_ip_opts |= |
2477 | cpu_to_le16(IPOPT_USE_VID_EN); |
2478 | else |
2479 | init_fw_cb->ipv4_ip_opts &= |
2480 | cpu_to_le16(~IPOPT_USE_VID_EN); |
2481 | break; |
2482 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
2483 | if (iface_param->iface_num & 0x1) |
2484 | break; |
2485 | memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, |
2486 | (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); |
2487 | init_fw_cb->ipv4_dhcp_vid_len = |
2488 | strlen(init_fw_cb->ipv4_dhcp_vid); |
2489 | break; |
2490 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
2491 | if (iface_param->iface_num & 0x1) |
2492 | break; |
2493 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2494 | init_fw_cb->ipv4_ip_opts |= |
2495 | cpu_to_le16(IPOPT_LEARN_IQN_EN); |
2496 | else |
2497 | init_fw_cb->ipv4_ip_opts &= |
2498 | cpu_to_le16(~IPOPT_LEARN_IQN_EN); |
2499 | break; |
2500 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
2501 | if (iface_param->iface_num & 0x1) |
2502 | break; |
2503 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
2504 | init_fw_cb->ipv4_ip_opts |= |
2505 | cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); |
2506 | else |
2507 | init_fw_cb->ipv4_ip_opts &= |
2508 | cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); |
2509 | break; |
2510 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
2511 | if (iface_param->iface_num & 0x1) |
2512 | break; |
2513 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2514 | init_fw_cb->ipv4_ip_opts |= |
2515 | cpu_to_le16(IPOPT_IN_FORWARD_EN); |
2516 | else |
2517 | init_fw_cb->ipv4_ip_opts &= |
2518 | cpu_to_le16(~IPOPT_IN_FORWARD_EN); |
2519 | break; |
2520 | case ISCSI_NET_PARAM_REDIRECT_EN: |
2521 | if (iface_param->iface_num & 0x1) |
2522 | break; |
2523 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2524 | init_fw_cb->ipv4_ip_opts |= |
2525 | cpu_to_le16(IPOPT_ARP_REDIRECT_EN); |
2526 | else |
2527 | init_fw_cb->ipv4_ip_opts &= |
2528 | cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); |
2529 | break; |
2530 | case ISCSI_NET_PARAM_IPV4_TTL: |
2531 | if (iface_param->iface_num & 0x1) |
2532 | break; |
2533 | init_fw_cb->ipv4_ttl = iface_param->value[0]; |
2534 | break; |
2535 | default: |
2536 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n" , |
2537 | iface_param->param); |
2538 | break; |
2539 | } |
2540 | } |
2541 | |
2542 | static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, |
2543 | struct iscsi_iface_param_info *iface_param, |
2544 | struct addr_ctrl_blk *init_fw_cb) |
2545 | { |
2546 | switch (iface_param->param) { |
2547 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
2548 | if (iface_param->iface_num & 0x1) |
2549 | break; |
2550 | init_fw_cb->def_timeout = |
2551 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2552 | break; |
2553 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
2554 | if (iface_param->iface_num & 0x1) |
2555 | break; |
2556 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2557 | init_fw_cb->iscsi_opts |= |
2558 | cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); |
2559 | else |
2560 | init_fw_cb->iscsi_opts &= |
2561 | cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); |
2562 | break; |
2563 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
2564 | if (iface_param->iface_num & 0x1) |
2565 | break; |
2566 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2567 | init_fw_cb->iscsi_opts |= |
2568 | cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); |
2569 | else |
2570 | init_fw_cb->iscsi_opts &= |
2571 | cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); |
2572 | break; |
2573 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
2574 | if (iface_param->iface_num & 0x1) |
2575 | break; |
2576 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2577 | init_fw_cb->iscsi_opts |= |
2578 | cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); |
2579 | else |
2580 | init_fw_cb->iscsi_opts &= |
2581 | cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); |
2582 | break; |
2583 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
2584 | if (iface_param->iface_num & 0x1) |
2585 | break; |
2586 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2587 | init_fw_cb->iscsi_opts |= |
2588 | cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); |
2589 | else |
2590 | init_fw_cb->iscsi_opts &= |
2591 | cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); |
2592 | break; |
2593 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
2594 | if (iface_param->iface_num & 0x1) |
2595 | break; |
2596 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2597 | init_fw_cb->iscsi_opts |= |
2598 | cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); |
2599 | else |
2600 | init_fw_cb->iscsi_opts &= |
2601 | cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); |
2602 | break; |
2603 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
2604 | if (iface_param->iface_num & 0x1) |
2605 | break; |
2606 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2607 | init_fw_cb->iscsi_opts |= |
2608 | cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); |
2609 | else |
2610 | init_fw_cb->iscsi_opts &= |
2611 | cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); |
2612 | break; |
2613 | case ISCSI_IFACE_PARAM_ERL: |
2614 | if (iface_param->iface_num & 0x1) |
2615 | break; |
2616 | init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); |
2617 | init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & |
2618 | ISCSIOPTS_ERL); |
2619 | break; |
2620 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
2621 | if (iface_param->iface_num & 0x1) |
2622 | break; |
2623 | init_fw_cb->iscsi_max_pdu_size = |
2624 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
2625 | BYTE_UNITS; |
2626 | break; |
2627 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
2628 | if (iface_param->iface_num & 0x1) |
2629 | break; |
2630 | init_fw_cb->iscsi_fburst_len = |
2631 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
2632 | BYTE_UNITS; |
2633 | break; |
2634 | case ISCSI_IFACE_PARAM_MAX_R2T: |
2635 | if (iface_param->iface_num & 0x1) |
2636 | break; |
2637 | init_fw_cb->iscsi_max_outstnd_r2t = |
2638 | cpu_to_le16(*(uint16_t *)iface_param->value); |
2639 | break; |
2640 | case ISCSI_IFACE_PARAM_MAX_BURST: |
2641 | if (iface_param->iface_num & 0x1) |
2642 | break; |
2643 | init_fw_cb->iscsi_max_burst_len = |
2644 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
2645 | BYTE_UNITS; |
2646 | break; |
2647 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
2648 | if (iface_param->iface_num & 0x1) |
2649 | break; |
2650 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2651 | init_fw_cb->iscsi_opts |= |
2652 | cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); |
2653 | else |
2654 | init_fw_cb->iscsi_opts &= |
2655 | cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); |
2656 | break; |
2657 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
2658 | if (iface_param->iface_num & 0x1) |
2659 | break; |
2660 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2661 | init_fw_cb->iscsi_opts |= |
2662 | cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); |
2663 | else |
2664 | init_fw_cb->iscsi_opts &= |
2665 | cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); |
2666 | break; |
2667 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
2668 | if (iface_param->iface_num & 0x1) |
2669 | break; |
2670 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2671 | init_fw_cb->iscsi_opts |= |
2672 | cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); |
2673 | else |
2674 | init_fw_cb->iscsi_opts &= |
2675 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); |
2676 | break; |
2677 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
2678 | if (iface_param->iface_num & 0x1) |
2679 | break; |
2680 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2681 | init_fw_cb->iscsi_opts |= |
2682 | cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); |
2683 | else |
2684 | init_fw_cb->iscsi_opts &= |
2685 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); |
2686 | break; |
2687 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
2688 | if (iface_param->iface_num & 0x1) |
2689 | break; |
2690 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
2691 | init_fw_cb->iscsi_opts |= |
2692 | cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); |
2693 | else |
2694 | init_fw_cb->iscsi_opts &= |
2695 | cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); |
2696 | break; |
2697 | default: |
2698 | ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n" , |
2699 | iface_param->param); |
2700 | break; |
2701 | } |
2702 | } |
2703 | |
2704 | static void |
2705 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) |
2706 | { |
2707 | struct addr_ctrl_blk_def *acb; |
2708 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; |
2709 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); |
2710 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); |
2711 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); |
2712 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); |
2713 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); |
2714 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); |
2715 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); |
2716 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); |
2717 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); |
2718 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); |
2719 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); |
2720 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); |
2721 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); |
2722 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); |
2723 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); |
2724 | } |
2725 | |
2726 | static int |
2727 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
2728 | { |
2729 | struct scsi_qla_host *ha = to_qla_host(shost); |
2730 | int rval = 0; |
2731 | struct iscsi_iface_param_info *iface_param = NULL; |
2732 | struct addr_ctrl_blk *init_fw_cb = NULL; |
2733 | dma_addr_t init_fw_cb_dma; |
2734 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
2735 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
2736 | uint32_t rem = len; |
2737 | struct nlattr *attr; |
2738 | |
2739 | init_fw_cb = dma_alloc_coherent(dev: &ha->pdev->dev, |
2740 | size: sizeof(struct addr_ctrl_blk), |
2741 | dma_handle: &init_fw_cb_dma, GFP_KERNEL); |
2742 | if (!init_fw_cb) { |
2743 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n" , |
2744 | __func__); |
2745 | return -ENOMEM; |
2746 | } |
2747 | |
2748 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
2749 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
2750 | |
2751 | if (qla4xxx_get_ifcb(ha, mbox_cmd: &mbox_cmd[0], mbox_sts: &mbox_sts[0], init_fw_cb_dma)) { |
2752 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n" , __func__); |
2753 | rval = -EIO; |
2754 | goto exit_init_fw_cb; |
2755 | } |
2756 | |
2757 | nla_for_each_attr(attr, data, len, rem) { |
2758 | if (nla_len(nla: attr) < sizeof(*iface_param)) { |
2759 | rval = -EINVAL; |
2760 | goto exit_init_fw_cb; |
2761 | } |
2762 | |
2763 | iface_param = nla_data(nla: attr); |
2764 | |
2765 | if (iface_param->param_type == ISCSI_NET_PARAM) { |
2766 | switch (iface_param->iface_type) { |
2767 | case ISCSI_IFACE_TYPE_IPV4: |
2768 | switch (iface_param->iface_num) { |
2769 | case 0: |
2770 | qla4xxx_set_ipv4(ha, iface_param, |
2771 | init_fw_cb); |
2772 | break; |
2773 | default: |
2774 | /* Cannot have more than one IPv4 interface */ |
2775 | ql4_printk(KERN_ERR, ha, |
2776 | "Invalid IPv4 iface number = %d\n" , |
2777 | iface_param->iface_num); |
2778 | break; |
2779 | } |
2780 | break; |
2781 | case ISCSI_IFACE_TYPE_IPV6: |
2782 | switch (iface_param->iface_num) { |
2783 | case 0: |
2784 | case 1: |
2785 | qla4xxx_set_ipv6(ha, iface_param, |
2786 | init_fw_cb); |
2787 | break; |
2788 | default: |
2789 | /* Cannot have more than two IPv6 interface */ |
2790 | ql4_printk(KERN_ERR, ha, |
2791 | "Invalid IPv6 iface number = %d\n" , |
2792 | iface_param->iface_num); |
2793 | break; |
2794 | } |
2795 | break; |
2796 | default: |
2797 | ql4_printk(KERN_ERR, ha, |
2798 | "Invalid iface type\n" ); |
2799 | break; |
2800 | } |
2801 | } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { |
2802 | qla4xxx_set_iscsi_param(ha, iface_param, |
2803 | init_fw_cb); |
2804 | } else { |
2805 | continue; |
2806 | } |
2807 | } |
2808 | |
2809 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); |
2810 | |
2811 | rval = qla4xxx_set_flash(ha, dma_addr: init_fw_cb_dma, FLASH_SEGMENT_IFCB, |
2812 | length: sizeof(struct addr_ctrl_blk), |
2813 | FLASH_OPT_RMW_COMMIT); |
2814 | if (rval != QLA_SUCCESS) { |
2815 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n" , |
2816 | __func__); |
2817 | rval = -EIO; |
2818 | goto exit_init_fw_cb; |
2819 | } |
2820 | |
2821 | rval = qla4xxx_disable_acb(ha); |
2822 | if (rval != QLA_SUCCESS) { |
2823 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n" , |
2824 | __func__); |
2825 | rval = -EIO; |
2826 | goto exit_init_fw_cb; |
2827 | } |
2828 | |
2829 | wait_for_completion_timeout(x: &ha->disable_acb_comp, |
2830 | DISABLE_ACB_TOV * HZ); |
2831 | |
2832 | qla4xxx_initcb_to_acb(init_fw_cb); |
2833 | |
2834 | rval = qla4xxx_set_acb(ha, mbox_cmd: &mbox_cmd[0], mbox_sts: &mbox_sts[0], acb_dma: init_fw_cb_dma); |
2835 | if (rval != QLA_SUCCESS) { |
2836 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n" , |
2837 | __func__); |
2838 | rval = -EIO; |
2839 | goto exit_init_fw_cb; |
2840 | } |
2841 | |
2842 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); |
2843 | qla4xxx_update_local_ifcb(ha, mbox_cmd: &mbox_cmd[0], mbox_sts: &mbox_sts[0], init_fw_cb, |
2844 | init_fw_cb_dma); |
2845 | |
2846 | exit_init_fw_cb: |
2847 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(struct addr_ctrl_blk), |
2848 | cpu_addr: init_fw_cb, dma_handle: init_fw_cb_dma); |
2849 | |
2850 | return rval; |
2851 | } |
2852 | |
2853 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
2854 | enum iscsi_param param, char *buf) |
2855 | { |
2856 | struct iscsi_session *sess = cls_sess->dd_data; |
2857 | struct ddb_entry *ddb_entry = sess->dd_data; |
2858 | struct scsi_qla_host *ha = ddb_entry->ha; |
2859 | struct iscsi_cls_conn *cls_conn = ddb_entry->conn; |
2860 | struct ql4_chap_table chap_tbl; |
2861 | int rval, len; |
2862 | uint16_t idx; |
2863 | |
2864 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
2865 | switch (param) { |
2866 | case ISCSI_PARAM_CHAP_IN_IDX: |
2867 | rval = qla4xxx_get_chap_index(ha, username: sess->username_in, |
2868 | password: sess->password_in, BIDI_CHAP, |
2869 | chap_index: &idx); |
2870 | if (rval) |
2871 | len = sprintf(buf, fmt: "\n" ); |
2872 | else |
2873 | len = sprintf(buf, fmt: "%hu\n" , idx); |
2874 | break; |
2875 | case ISCSI_PARAM_CHAP_OUT_IDX: |
2876 | if (ddb_entry->ddb_type == FLASH_DDB) { |
2877 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { |
2878 | idx = ddb_entry->chap_tbl_idx; |
2879 | rval = QLA_SUCCESS; |
2880 | } else { |
2881 | rval = QLA_ERROR; |
2882 | } |
2883 | } else { |
2884 | rval = qla4xxx_get_chap_index(ha, username: sess->username, |
2885 | password: sess->password, |
2886 | LOCAL_CHAP, chap_index: &idx); |
2887 | } |
2888 | if (rval) |
2889 | len = sprintf(buf, fmt: "\n" ); |
2890 | else |
2891 | len = sprintf(buf, fmt: "%hu\n" , idx); |
2892 | break; |
2893 | case ISCSI_PARAM_USERNAME: |
2894 | case ISCSI_PARAM_PASSWORD: |
2895 | /* First, populate session username and password for FLASH DDB, |
2896 | * if not already done. This happens when session login fails |
2897 | * for a FLASH DDB. |
2898 | */ |
2899 | if (ddb_entry->ddb_type == FLASH_DDB && |
2900 | ddb_entry->chap_tbl_idx != INVALID_ENTRY && |
2901 | !sess->username && !sess->password) { |
2902 | idx = ddb_entry->chap_tbl_idx; |
2903 | rval = qla4xxx_get_uni_chap_at_index(ha, username: chap_tbl.name, |
2904 | password: chap_tbl.secret, |
2905 | chap_index: idx); |
2906 | if (!rval) { |
2907 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_USERNAME, |
2908 | buf: (char *)chap_tbl.name, |
2909 | strlen((char *)chap_tbl.name)); |
2910 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_PASSWORD, |
2911 | buf: (char *)chap_tbl.secret, |
2912 | buflen: chap_tbl.secret_len); |
2913 | } |
2914 | } |
2915 | fallthrough; |
2916 | default: |
2917 | return iscsi_session_get_param(cls_session: cls_sess, param, buf); |
2918 | } |
2919 | |
2920 | return len; |
2921 | } |
2922 | |
2923 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
2924 | enum iscsi_param param, char *buf) |
2925 | { |
2926 | struct iscsi_conn *conn; |
2927 | struct qla_conn *qla_conn; |
2928 | struct sockaddr *dst_addr; |
2929 | |
2930 | conn = cls_conn->dd_data; |
2931 | qla_conn = conn->dd_data; |
2932 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
2933 | |
2934 | switch (param) { |
2935 | case ISCSI_PARAM_CONN_PORT: |
2936 | case ISCSI_PARAM_CONN_ADDRESS: |
2937 | return iscsi_conn_get_addr_param(addr: (struct sockaddr_storage *) |
2938 | dst_addr, param, buf); |
2939 | default: |
2940 | return iscsi_conn_get_param(cls_conn, param, buf); |
2941 | } |
2942 | } |
2943 | |
2944 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
2945 | { |
2946 | uint32_t mbx_sts = 0; |
2947 | uint16_t tmp_ddb_index; |
2948 | int ret; |
2949 | |
2950 | get_ddb_index: |
2951 | tmp_ddb_index = find_first_zero_bit(addr: ha->ddb_idx_map, MAX_DDB_ENTRIES); |
2952 | |
2953 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { |
2954 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2955 | "Free DDB index not available\n" )); |
2956 | ret = QLA_ERROR; |
2957 | goto exit_get_ddb_index; |
2958 | } |
2959 | |
2960 | if (test_and_set_bit(nr: tmp_ddb_index, addr: ha->ddb_idx_map)) |
2961 | goto get_ddb_index; |
2962 | |
2963 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2964 | "Found a free DDB index at %d\n" , tmp_ddb_index)); |
2965 | ret = qla4xxx_req_ddb_entry(ha, fw_ddb_index: tmp_ddb_index, mbx_sts: &mbx_sts); |
2966 | if (ret == QLA_ERROR) { |
2967 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { |
2968 | ql4_printk(KERN_INFO, ha, |
2969 | "DDB index = %d not available trying next\n" , |
2970 | tmp_ddb_index); |
2971 | goto get_ddb_index; |
2972 | } |
2973 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2974 | "Free FW DDB not available\n" )); |
2975 | } |
2976 | |
2977 | *ddb_index = tmp_ddb_index; |
2978 | |
2979 | exit_get_ddb_index: |
2980 | return ret; |
2981 | } |
2982 | |
2983 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, |
2984 | struct ddb_entry *ddb_entry, |
2985 | char *existing_ipaddr, |
2986 | char *user_ipaddr) |
2987 | { |
2988 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; |
2989 | char formatted_ipaddr[DDB_IPADDR_LEN]; |
2990 | int status = QLA_SUCCESS, ret = 0; |
2991 | |
2992 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { |
2993 | ret = in6_pton(src: user_ipaddr, strlen(user_ipaddr), dst: dst_ipaddr, |
2994 | delim: '\0', NULL); |
2995 | if (ret == 0) { |
2996 | status = QLA_ERROR; |
2997 | goto out_match; |
2998 | } |
2999 | ret = sprintf(buf: formatted_ipaddr, fmt: "%pI6" , dst_ipaddr); |
3000 | } else { |
3001 | ret = in4_pton(src: user_ipaddr, strlen(user_ipaddr), dst: dst_ipaddr, |
3002 | delim: '\0', NULL); |
3003 | if (ret == 0) { |
3004 | status = QLA_ERROR; |
3005 | goto out_match; |
3006 | } |
3007 | ret = sprintf(buf: formatted_ipaddr, fmt: "%pI4" , dst_ipaddr); |
3008 | } |
3009 | |
3010 | if (strcmp(existing_ipaddr, formatted_ipaddr)) |
3011 | status = QLA_ERROR; |
3012 | |
3013 | out_match: |
3014 | return status; |
3015 | } |
3016 | |
3017 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, |
3018 | struct iscsi_cls_conn *cls_conn) |
3019 | { |
3020 | int idx = 0, max_ddbs, rval; |
3021 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
3022 | struct iscsi_session *sess, *existing_sess; |
3023 | struct iscsi_conn *conn, *existing_conn; |
3024 | struct ddb_entry *ddb_entry; |
3025 | |
3026 | sess = cls_sess->dd_data; |
3027 | conn = cls_conn->dd_data; |
3028 | |
3029 | if (sess->targetname == NULL || |
3030 | conn->persistent_address == NULL || |
3031 | conn->persistent_port == 0) |
3032 | return QLA_ERROR; |
3033 | |
3034 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
3035 | MAX_DEV_DB_ENTRIES; |
3036 | |
3037 | for (idx = 0; idx < max_ddbs; idx++) { |
3038 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index: idx); |
3039 | if (ddb_entry == NULL) |
3040 | continue; |
3041 | |
3042 | if (ddb_entry->ddb_type != FLASH_DDB) |
3043 | continue; |
3044 | |
3045 | existing_sess = ddb_entry->sess->dd_data; |
3046 | existing_conn = ddb_entry->conn->dd_data; |
3047 | |
3048 | if (existing_sess->targetname == NULL || |
3049 | existing_conn->persistent_address == NULL || |
3050 | existing_conn->persistent_port == 0) |
3051 | continue; |
3052 | |
3053 | DEBUG2(ql4_printk(KERN_INFO, ha, |
3054 | "IQN = %s User IQN = %s\n" , |
3055 | existing_sess->targetname, |
3056 | sess->targetname)); |
3057 | |
3058 | DEBUG2(ql4_printk(KERN_INFO, ha, |
3059 | "IP = %s User IP = %s\n" , |
3060 | existing_conn->persistent_address, |
3061 | conn->persistent_address)); |
3062 | |
3063 | DEBUG2(ql4_printk(KERN_INFO, ha, |
3064 | "Port = %d User Port = %d\n" , |
3065 | existing_conn->persistent_port, |
3066 | conn->persistent_port)); |
3067 | |
3068 | if (strcmp(existing_sess->targetname, sess->targetname)) |
3069 | continue; |
3070 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, |
3071 | existing_ipaddr: existing_conn->persistent_address, |
3072 | user_ipaddr: conn->persistent_address); |
3073 | if (rval == QLA_ERROR) |
3074 | continue; |
3075 | if (existing_conn->persistent_port != conn->persistent_port) |
3076 | continue; |
3077 | break; |
3078 | } |
3079 | |
3080 | if (idx == max_ddbs) |
3081 | return QLA_ERROR; |
3082 | |
3083 | DEBUG2(ql4_printk(KERN_INFO, ha, |
3084 | "Match found in fwdb sessions\n" )); |
3085 | return QLA_SUCCESS; |
3086 | } |
3087 | |
3088 | static struct iscsi_cls_session * |
3089 | qla4xxx_session_create(struct iscsi_endpoint *ep, |
3090 | uint16_t cmds_max, uint16_t qdepth, |
3091 | uint32_t initial_cmdsn) |
3092 | { |
3093 | struct iscsi_cls_session *cls_sess; |
3094 | struct scsi_qla_host *ha; |
3095 | struct qla_endpoint *qla_ep; |
3096 | struct ddb_entry *ddb_entry; |
3097 | uint16_t ddb_index; |
3098 | struct iscsi_session *sess; |
3099 | int ret; |
3100 | |
3101 | if (!ep) { |
3102 | printk(KERN_ERR "qla4xxx: missing ep.\n" ); |
3103 | return NULL; |
3104 | } |
3105 | |
3106 | qla_ep = ep->dd_data; |
3107 | ha = to_qla_host(shost: qla_ep->host); |
3108 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n" , __func__, |
3109 | ha->host_no)); |
3110 | |
3111 | ret = qla4xxx_get_ddb_index(ha, ddb_index: &ddb_index); |
3112 | if (ret == QLA_ERROR) |
3113 | return NULL; |
3114 | |
3115 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, shost: qla_ep->host, |
3116 | cmds_max, sizeof(struct ddb_entry), |
3117 | sizeof(struct ql4_task_data), |
3118 | initial_cmdsn, ddb_index); |
3119 | if (!cls_sess) |
3120 | return NULL; |
3121 | |
3122 | sess = cls_sess->dd_data; |
3123 | ddb_entry = sess->dd_data; |
3124 | ddb_entry->fw_ddb_index = ddb_index; |
3125 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
3126 | ddb_entry->ha = ha; |
3127 | ddb_entry->sess = cls_sess; |
3128 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
3129 | ddb_entry->ddb_change = qla4xxx_ddb_change; |
3130 | clear_bit(DDB_CONN_CLOSE_FAILURE, addr: &ddb_entry->flags); |
3131 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
3132 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; |
3133 | ha->tot_ddbs++; |
3134 | |
3135 | return cls_sess; |
3136 | } |
3137 | |
3138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) |
3139 | { |
3140 | struct iscsi_session *sess; |
3141 | struct ddb_entry *ddb_entry; |
3142 | struct scsi_qla_host *ha; |
3143 | unsigned long flags, wtime; |
3144 | struct dev_db_entry *fw_ddb_entry = NULL; |
3145 | dma_addr_t fw_ddb_entry_dma; |
3146 | uint32_t ddb_state; |
3147 | int ret; |
3148 | |
3149 | sess = cls_sess->dd_data; |
3150 | ddb_entry = sess->dd_data; |
3151 | ha = ddb_entry->ha; |
3152 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n" , __func__, |
3153 | ha->host_no)); |
3154 | |
3155 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3156 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
3157 | if (!fw_ddb_entry) { |
3158 | ql4_printk(KERN_ERR, ha, |
3159 | "%s: Unable to allocate dma buffer\n" , __func__); |
3160 | goto destroy_session; |
3161 | } |
3162 | |
3163 | wtime = jiffies + (HZ * LOGOUT_TOV); |
3164 | do { |
3165 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, |
3166 | fw_ddb_entry, fw_ddb_entry_dma, |
3167 | NULL, NULL, fw_ddb_device_state: &ddb_state, NULL, |
3168 | NULL, NULL); |
3169 | if (ret == QLA_ERROR) |
3170 | goto destroy_session; |
3171 | |
3172 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
3173 | (ddb_state == DDB_DS_SESSION_FAILED)) |
3174 | goto destroy_session; |
3175 | |
3176 | schedule_timeout_uninterruptible(HZ); |
3177 | } while ((time_after(wtime, jiffies))); |
3178 | |
3179 | destroy_session: |
3180 | qla4xxx_clear_ddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index); |
3181 | if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, addr: &ddb_entry->flags)) |
3182 | clear_bit(nr: ddb_entry->fw_ddb_index, addr: ha->ddb_idx_map); |
3183 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3184 | qla4xxx_free_ddb(ha, ddb_entry); |
3185 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
3186 | |
3187 | iscsi_session_teardown(cls_sess); |
3188 | |
3189 | if (fw_ddb_entry) |
3190 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3191 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
3192 | } |
3193 | |
3194 | static struct iscsi_cls_conn * |
3195 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) |
3196 | { |
3197 | struct iscsi_cls_conn *cls_conn; |
3198 | struct iscsi_session *sess; |
3199 | struct ddb_entry *ddb_entry; |
3200 | struct scsi_qla_host *ha; |
3201 | |
3202 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), |
3203 | conn_idx); |
3204 | if (!cls_conn) { |
3205 | pr_info("%s: Can not create connection for conn_idx = %u\n" , |
3206 | __func__, conn_idx); |
3207 | return NULL; |
3208 | } |
3209 | |
3210 | sess = cls_sess->dd_data; |
3211 | ddb_entry = sess->dd_data; |
3212 | ddb_entry->conn = cls_conn; |
3213 | |
3214 | ha = ddb_entry->ha; |
3215 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n" , __func__, |
3216 | conn_idx)); |
3217 | return cls_conn; |
3218 | } |
3219 | |
3220 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
3221 | struct iscsi_cls_conn *cls_conn, |
3222 | uint64_t transport_fd, int is_leading) |
3223 | { |
3224 | struct iscsi_conn *conn; |
3225 | struct qla_conn *qla_conn; |
3226 | struct iscsi_endpoint *ep; |
3227 | struct ddb_entry *ddb_entry; |
3228 | struct scsi_qla_host *ha; |
3229 | struct iscsi_session *sess; |
3230 | |
3231 | sess = cls_session->dd_data; |
3232 | ddb_entry = sess->dd_data; |
3233 | ha = ddb_entry->ha; |
3234 | |
3235 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n" , __func__, |
3236 | cls_session->sid, cls_conn->cid)); |
3237 | |
3238 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) |
3239 | return -EINVAL; |
3240 | ep = iscsi_lookup_endpoint(handle: transport_fd); |
3241 | if (!ep) |
3242 | return -EINVAL; |
3243 | conn = cls_conn->dd_data; |
3244 | qla_conn = conn->dd_data; |
3245 | qla_conn->qla_ep = ep->dd_data; |
3246 | iscsi_put_endpoint(ep); |
3247 | return 0; |
3248 | } |
3249 | |
3250 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) |
3251 | { |
3252 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
3253 | struct iscsi_session *sess; |
3254 | struct ddb_entry *ddb_entry; |
3255 | struct scsi_qla_host *ha; |
3256 | struct dev_db_entry *fw_ddb_entry = NULL; |
3257 | dma_addr_t fw_ddb_entry_dma; |
3258 | uint32_t mbx_sts = 0; |
3259 | int ret = 0; |
3260 | int status = QLA_SUCCESS; |
3261 | |
3262 | sess = cls_sess->dd_data; |
3263 | ddb_entry = sess->dd_data; |
3264 | ha = ddb_entry->ha; |
3265 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n" , __func__, |
3266 | cls_sess->sid, cls_conn->cid)); |
3267 | |
3268 | /* Check if we have matching FW DDB, if yes then do not |
3269 | * login to this target. This could cause target to logout previous |
3270 | * connection |
3271 | */ |
3272 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); |
3273 | if (ret == QLA_SUCCESS) { |
3274 | ql4_printk(KERN_INFO, ha, |
3275 | "Session already exist in FW.\n" ); |
3276 | ret = -EEXIST; |
3277 | goto exit_conn_start; |
3278 | } |
3279 | |
3280 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3281 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
3282 | if (!fw_ddb_entry) { |
3283 | ql4_printk(KERN_ERR, ha, |
3284 | "%s: Unable to allocate dma buffer\n" , __func__); |
3285 | ret = -ENOMEM; |
3286 | goto exit_conn_start; |
3287 | } |
3288 | |
3289 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, mbx_sts: &mbx_sts); |
3290 | if (ret) { |
3291 | /* If iscsid is stopped and started then no need to do |
3292 | * set param again since ddb state will be already |
3293 | * active and FW does not allow set ddb to an |
3294 | * active session. |
3295 | */ |
3296 | if (mbx_sts) |
3297 | if (ddb_entry->fw_ddb_device_state == |
3298 | DDB_DS_SESSION_ACTIVE) { |
3299 | ddb_entry->unblock_sess(ddb_entry->sess); |
3300 | goto exit_set_param; |
3301 | } |
3302 | |
3303 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n" , |
3304 | __func__, ddb_entry->fw_ddb_index); |
3305 | goto exit_conn_start; |
3306 | } |
3307 | |
3308 | status = qla4xxx_conn_open(ha, fw_ddb_index: ddb_entry->fw_ddb_index); |
3309 | if (status == QLA_ERROR) { |
3310 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n" , __func__, |
3311 | sess->targetname); |
3312 | ret = -EINVAL; |
3313 | goto exit_conn_start; |
3314 | } |
3315 | |
3316 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
3317 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; |
3318 | |
3319 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n" , __func__, |
3320 | ddb_entry->fw_ddb_device_state)); |
3321 | |
3322 | exit_set_param: |
3323 | ret = 0; |
3324 | |
3325 | exit_conn_start: |
3326 | if (fw_ddb_entry) |
3327 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3328 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
3329 | return ret; |
3330 | } |
3331 | |
3332 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) |
3333 | { |
3334 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
3335 | struct iscsi_session *sess; |
3336 | struct scsi_qla_host *ha; |
3337 | struct ddb_entry *ddb_entry; |
3338 | int options; |
3339 | |
3340 | sess = cls_sess->dd_data; |
3341 | ddb_entry = sess->dd_data; |
3342 | ha = ddb_entry->ha; |
3343 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n" , __func__, |
3344 | cls_conn->cid)); |
3345 | |
3346 | options = LOGOUT_OPTION_CLOSE_SESSION; |
3347 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) |
3348 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n" , __func__); |
3349 | } |
3350 | |
3351 | static void qla4xxx_task_work(struct work_struct *wdata) |
3352 | { |
3353 | struct ql4_task_data *task_data; |
3354 | struct scsi_qla_host *ha; |
3355 | struct passthru_status *sts; |
3356 | struct iscsi_task *task; |
3357 | struct iscsi_hdr *hdr; |
3358 | uint8_t *data; |
3359 | uint32_t data_len; |
3360 | struct iscsi_conn *conn; |
3361 | int hdr_len; |
3362 | itt_t itt; |
3363 | |
3364 | task_data = container_of(wdata, struct ql4_task_data, task_work); |
3365 | ha = task_data->ha; |
3366 | task = task_data->task; |
3367 | sts = &task_data->sts; |
3368 | hdr_len = sizeof(struct iscsi_hdr); |
3369 | |
3370 | DEBUG3(printk(KERN_INFO "Status returned\n" )); |
3371 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); |
3372 | DEBUG3(printk(KERN_INFO "Response buffer" )); |
3373 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); |
3374 | |
3375 | conn = task->conn; |
3376 | |
3377 | switch (sts->completionStatus) { |
3378 | case PASSTHRU_STATUS_COMPLETE: |
3379 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; |
3380 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ |
3381 | itt = sts->handle; |
3382 | hdr->itt = itt; |
3383 | data = task_data->resp_buffer + hdr_len; |
3384 | data_len = task_data->resp_len - hdr_len; |
3385 | iscsi_complete_pdu(conn, hdr, data, data_len); |
3386 | break; |
3387 | default: |
3388 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n" , |
3389 | sts->completionStatus); |
3390 | break; |
3391 | } |
3392 | return; |
3393 | } |
3394 | |
3395 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) |
3396 | { |
3397 | struct ql4_task_data *task_data; |
3398 | struct iscsi_session *sess; |
3399 | struct ddb_entry *ddb_entry; |
3400 | struct scsi_qla_host *ha; |
3401 | int hdr_len; |
3402 | |
3403 | sess = task->conn->session; |
3404 | ddb_entry = sess->dd_data; |
3405 | ha = ddb_entry->ha; |
3406 | task_data = task->dd_data; |
3407 | memset(task_data, 0, sizeof(struct ql4_task_data)); |
3408 | |
3409 | if (task->sc) { |
3410 | ql4_printk(KERN_INFO, ha, |
3411 | "%s: SCSI Commands not implemented\n" , __func__); |
3412 | return -EINVAL; |
3413 | } |
3414 | |
3415 | hdr_len = sizeof(struct iscsi_hdr); |
3416 | task_data->ha = ha; |
3417 | task_data->task = task; |
3418 | |
3419 | if (task->data_count) { |
3420 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, |
3421 | task->data_count, |
3422 | DMA_TO_DEVICE); |
3423 | } |
3424 | |
3425 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n" , |
3426 | __func__, task->conn->max_recv_dlength, hdr_len)); |
3427 | |
3428 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
3429 | task_data->resp_buffer = dma_alloc_coherent(dev: &ha->pdev->dev, |
3430 | size: task_data->resp_len, |
3431 | dma_handle: &task_data->resp_dma, |
3432 | GFP_ATOMIC); |
3433 | if (!task_data->resp_buffer) |
3434 | goto exit_alloc_pdu; |
3435 | |
3436 | task_data->req_len = task->data_count + hdr_len; |
3437 | task_data->req_buffer = dma_alloc_coherent(dev: &ha->pdev->dev, |
3438 | size: task_data->req_len, |
3439 | dma_handle: &task_data->req_dma, |
3440 | GFP_ATOMIC); |
3441 | if (!task_data->req_buffer) |
3442 | goto exit_alloc_pdu; |
3443 | |
3444 | task->hdr = task_data->req_buffer; |
3445 | |
3446 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); |
3447 | |
3448 | return 0; |
3449 | |
3450 | exit_alloc_pdu: |
3451 | if (task_data->resp_buffer) |
3452 | dma_free_coherent(dev: &ha->pdev->dev, size: task_data->resp_len, |
3453 | cpu_addr: task_data->resp_buffer, dma_handle: task_data->resp_dma); |
3454 | |
3455 | if (task_data->req_buffer) |
3456 | dma_free_coherent(dev: &ha->pdev->dev, size: task_data->req_len, |
3457 | cpu_addr: task_data->req_buffer, dma_handle: task_data->req_dma); |
3458 | return -ENOMEM; |
3459 | } |
3460 | |
3461 | static void qla4xxx_task_cleanup(struct iscsi_task *task) |
3462 | { |
3463 | struct ql4_task_data *task_data; |
3464 | struct iscsi_session *sess; |
3465 | struct ddb_entry *ddb_entry; |
3466 | struct scsi_qla_host *ha; |
3467 | int hdr_len; |
3468 | |
3469 | hdr_len = sizeof(struct iscsi_hdr); |
3470 | sess = task->conn->session; |
3471 | ddb_entry = sess->dd_data; |
3472 | ha = ddb_entry->ha; |
3473 | task_data = task->dd_data; |
3474 | |
3475 | if (task->data_count) { |
3476 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, |
3477 | task->data_count, DMA_TO_DEVICE); |
3478 | } |
3479 | |
3480 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n" , |
3481 | __func__, task->conn->max_recv_dlength, hdr_len)); |
3482 | |
3483 | dma_free_coherent(dev: &ha->pdev->dev, size: task_data->resp_len, |
3484 | cpu_addr: task_data->resp_buffer, dma_handle: task_data->resp_dma); |
3485 | dma_free_coherent(dev: &ha->pdev->dev, size: task_data->req_len, |
3486 | cpu_addr: task_data->req_buffer, dma_handle: task_data->req_dma); |
3487 | return; |
3488 | } |
3489 | |
3490 | static int qla4xxx_task_xmit(struct iscsi_task *task) |
3491 | { |
3492 | struct scsi_cmnd *sc = task->sc; |
3493 | struct iscsi_session *sess = task->conn->session; |
3494 | struct ddb_entry *ddb_entry = sess->dd_data; |
3495 | struct scsi_qla_host *ha = ddb_entry->ha; |
3496 | |
3497 | if (!sc) |
3498 | return qla4xxx_send_passthru0(task); |
3499 | |
3500 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n" , |
3501 | __func__); |
3502 | return -ENOSYS; |
3503 | } |
3504 | |
3505 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
3506 | struct iscsi_bus_flash_conn *conn, |
3507 | struct dev_db_entry *fw_ddb_entry) |
3508 | { |
3509 | unsigned long options = 0; |
3510 | int rc = 0; |
3511 | |
3512 | options = le16_to_cpu(fw_ddb_entry->options); |
3513 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
3514 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
3515 | rc = iscsi_switch_str_param(&sess->portal_type, |
3516 | PORTAL_TYPE_IPV6); |
3517 | if (rc) |
3518 | goto exit_copy; |
3519 | } else { |
3520 | rc = iscsi_switch_str_param(&sess->portal_type, |
3521 | PORTAL_TYPE_IPV4); |
3522 | if (rc) |
3523 | goto exit_copy; |
3524 | } |
3525 | |
3526 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
3527 | &options); |
3528 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
3529 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); |
3530 | |
3531 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
3532 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
3533 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
3534 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
3535 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
3536 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
3537 | &options); |
3538 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
3539 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
3540 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); |
3541 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
3542 | &options); |
3543 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
3544 | sess->discovery_auth_optional = |
3545 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
3546 | if (test_bit(ISCSIOPT_ERL1, &options)) |
3547 | sess->erl |= BIT_1; |
3548 | if (test_bit(ISCSIOPT_ERL0, &options)) |
3549 | sess->erl |= BIT_0; |
3550 | |
3551 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
3552 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
3553 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
3554 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
3555 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
3556 | conn->tcp_timer_scale |= BIT_3; |
3557 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
3558 | conn->tcp_timer_scale |= BIT_2; |
3559 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
3560 | conn->tcp_timer_scale |= BIT_1; |
3561 | |
3562 | conn->tcp_timer_scale >>= 1; |
3563 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
3564 | |
3565 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
3566 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
3567 | |
3568 | conn->max_recv_dlength = BYTE_UNITS * |
3569 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
3570 | conn->max_xmit_dlength = BYTE_UNITS * |
3571 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
3572 | sess->first_burst = BYTE_UNITS * |
3573 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
3574 | sess->max_burst = BYTE_UNITS * |
3575 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
3576 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
3577 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
3578 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
3579 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
3580 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
3581 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
3582 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
3583 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); |
3584 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); |
3585 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
3586 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
3587 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
3588 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); |
3589 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); |
3590 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
3591 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
3592 | |
3593 | sess->default_taskmgmt_timeout = |
3594 | le16_to_cpu(fw_ddb_entry->def_timeout); |
3595 | conn->port = le16_to_cpu(fw_ddb_entry->port); |
3596 | |
3597 | options = le16_to_cpu(fw_ddb_entry->options); |
3598 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
3599 | if (!conn->ipaddress) { |
3600 | rc = -ENOMEM; |
3601 | goto exit_copy; |
3602 | } |
3603 | |
3604 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
3605 | if (!conn->redirect_ipaddr) { |
3606 | rc = -ENOMEM; |
3607 | goto exit_copy; |
3608 | } |
3609 | |
3610 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
3611 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); |
3612 | |
3613 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
3614 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; |
3615 | |
3616 | conn->link_local_ipv6_addr = kmemdup( |
3617 | p: fw_ddb_entry->link_local_ipv6_addr, |
3618 | IPv6_ADDR_LEN, GFP_KERNEL); |
3619 | if (!conn->link_local_ipv6_addr) { |
3620 | rc = -ENOMEM; |
3621 | goto exit_copy; |
3622 | } |
3623 | } else { |
3624 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
3625 | } |
3626 | |
3627 | if (fw_ddb_entry->iscsi_name[0]) { |
3628 | rc = iscsi_switch_str_param(&sess->targetname, |
3629 | (char *)fw_ddb_entry->iscsi_name); |
3630 | if (rc) |
3631 | goto exit_copy; |
3632 | } |
3633 | |
3634 | if (fw_ddb_entry->iscsi_alias[0]) { |
3635 | rc = iscsi_switch_str_param(&sess->targetalias, |
3636 | (char *)fw_ddb_entry->iscsi_alias); |
3637 | if (rc) |
3638 | goto exit_copy; |
3639 | } |
3640 | |
3641 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
3642 | |
3643 | exit_copy: |
3644 | return rc; |
3645 | } |
3646 | |
3647 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, |
3648 | struct iscsi_bus_flash_conn *conn, |
3649 | struct dev_db_entry *fw_ddb_entry) |
3650 | { |
3651 | uint16_t options; |
3652 | |
3653 | options = le16_to_cpu(fw_ddb_entry->options); |
3654 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); |
3655 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
3656 | options |= BIT_8; |
3657 | else |
3658 | options &= ~BIT_8; |
3659 | |
3660 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); |
3661 | SET_BITVAL(sess->discovery_sess, options, BIT_4); |
3662 | SET_BITVAL(sess->entry_state, options, BIT_3); |
3663 | fw_ddb_entry->options = cpu_to_le16(options); |
3664 | |
3665 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
3666 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); |
3667 | SET_BITVAL(conn->datadgst_en, options, BIT_12); |
3668 | SET_BITVAL(sess->imm_data_en, options, BIT_11); |
3669 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); |
3670 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); |
3671 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); |
3672 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); |
3673 | SET_BITVAL(conn->snack_req_en, options, BIT_6); |
3674 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); |
3675 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); |
3676 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); |
3677 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); |
3678 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); |
3679 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); |
3680 | |
3681 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
3682 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); |
3683 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); |
3684 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); |
3685 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); |
3686 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); |
3687 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); |
3688 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); |
3689 | fw_ddb_entry->tcp_options = cpu_to_le16(options); |
3690 | |
3691 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
3692 | SET_BITVAL(conn->fragment_disable, options, BIT_4); |
3693 | fw_ddb_entry->ip_options = cpu_to_le16(options); |
3694 | |
3695 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); |
3696 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = |
3697 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); |
3698 | fw_ddb_entry->iscsi_max_snd_data_seg_len = |
3699 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); |
3700 | fw_ddb_entry->iscsi_first_burst_len = |
3701 | cpu_to_le16(sess->first_burst / BYTE_UNITS); |
3702 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / |
3703 | BYTE_UNITS); |
3704 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); |
3705 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); |
3706 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); |
3707 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); |
3708 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
3709 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); |
3710 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
3711 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); |
3712 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); |
3713 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
3714 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); |
3715 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
3716 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
3717 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); |
3718 | fw_ddb_entry->port = cpu_to_le16(conn->port); |
3719 | fw_ddb_entry->def_timeout = |
3720 | cpu_to_le16(sess->default_taskmgmt_timeout); |
3721 | |
3722 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
3723 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; |
3724 | else |
3725 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; |
3726 | |
3727 | if (conn->ipaddress) |
3728 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, |
3729 | sizeof(fw_ddb_entry->ip_addr)); |
3730 | |
3731 | if (conn->redirect_ipaddr) |
3732 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, |
3733 | sizeof(fw_ddb_entry->tgt_addr)); |
3734 | |
3735 | if (conn->link_local_ipv6_addr) |
3736 | memcpy(fw_ddb_entry->link_local_ipv6_addr, |
3737 | conn->link_local_ipv6_addr, |
3738 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); |
3739 | |
3740 | if (sess->targetname) |
3741 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, |
3742 | sizeof(fw_ddb_entry->iscsi_name)); |
3743 | |
3744 | if (sess->targetalias) |
3745 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, |
3746 | sizeof(fw_ddb_entry->iscsi_alias)); |
3747 | |
3748 | COPY_ISID(fw_ddb_entry->isid, sess->isid); |
3749 | |
3750 | return 0; |
3751 | } |
3752 | |
3753 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
3754 | struct iscsi_session *sess, |
3755 | struct dev_db_entry *fw_ddb_entry) |
3756 | { |
3757 | unsigned long options = 0; |
3758 | uint16_t ddb_link; |
3759 | uint16_t disc_parent; |
3760 | char ip_addr[DDB_IPADDR_LEN]; |
3761 | |
3762 | options = le16_to_cpu(fw_ddb_entry->options); |
3763 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
3764 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
3765 | &options); |
3766 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
3767 | |
3768 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
3769 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
3770 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
3771 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
3772 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
3773 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
3774 | &options); |
3775 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
3776 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
3777 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
3778 | &options); |
3779 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
3780 | sess->discovery_auth_optional = |
3781 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
3782 | if (test_bit(ISCSIOPT_ERL1, &options)) |
3783 | sess->erl |= BIT_1; |
3784 | if (test_bit(ISCSIOPT_ERL0, &options)) |
3785 | sess->erl |= BIT_0; |
3786 | |
3787 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
3788 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
3789 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
3790 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
3791 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
3792 | conn->tcp_timer_scale |= BIT_3; |
3793 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
3794 | conn->tcp_timer_scale |= BIT_2; |
3795 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
3796 | conn->tcp_timer_scale |= BIT_1; |
3797 | |
3798 | conn->tcp_timer_scale >>= 1; |
3799 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
3800 | |
3801 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
3802 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
3803 | |
3804 | conn->max_recv_dlength = BYTE_UNITS * |
3805 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
3806 | conn->max_xmit_dlength = BYTE_UNITS * |
3807 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
3808 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
3809 | sess->first_burst = BYTE_UNITS * |
3810 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
3811 | sess->max_burst = BYTE_UNITS * |
3812 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
3813 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
3814 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
3815 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
3816 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
3817 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
3818 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
3819 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
3820 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); |
3821 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
3822 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
3823 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
3824 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
3825 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
3826 | |
3827 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
3828 | if (ddb_link == DDB_ISNS) |
3829 | disc_parent = ISCSI_DISC_PARENT_ISNS; |
3830 | else if (ddb_link == DDB_NO_LINK) |
3831 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
3832 | else if (ddb_link < MAX_DDB_ENTRIES) |
3833 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; |
3834 | else |
3835 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
3836 | |
3837 | iscsi_set_param(cls_conn: conn->cls_conn, param: ISCSI_PARAM_DISCOVERY_PARENT_TYPE, |
3838 | buf: iscsi_get_discovery_parent_name(parent_type: disc_parent), buflen: 0); |
3839 | |
3840 | iscsi_set_param(cls_conn: conn->cls_conn, param: ISCSI_PARAM_TARGET_ALIAS, |
3841 | buf: (char *)fw_ddb_entry->iscsi_alias, buflen: 0); |
3842 | |
3843 | options = le16_to_cpu(fw_ddb_entry->options); |
3844 | if (options & DDB_OPT_IPV6_DEVICE) { |
3845 | memset(ip_addr, 0, sizeof(ip_addr)); |
3846 | sprintf(buf: ip_addr, fmt: "%pI6" , fw_ddb_entry->link_local_ipv6_addr); |
3847 | iscsi_set_param(cls_conn: conn->cls_conn, param: ISCSI_PARAM_LOCAL_IPADDR, |
3848 | buf: (char *)ip_addr, buflen: 0); |
3849 | } |
3850 | } |
3851 | |
3852 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
3853 | struct dev_db_entry *fw_ddb_entry, |
3854 | struct iscsi_cls_session *cls_sess, |
3855 | struct iscsi_cls_conn *cls_conn) |
3856 | { |
3857 | int buflen = 0; |
3858 | struct iscsi_session *sess; |
3859 | struct ddb_entry *ddb_entry; |
3860 | struct ql4_chap_table chap_tbl; |
3861 | struct iscsi_conn *conn; |
3862 | char ip_addr[DDB_IPADDR_LEN]; |
3863 | uint16_t options = 0; |
3864 | |
3865 | sess = cls_sess->dd_data; |
3866 | ddb_entry = sess->dd_data; |
3867 | conn = cls_conn->dd_data; |
3868 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
3869 | |
3870 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
3871 | |
3872 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
3873 | |
3874 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
3875 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
3876 | |
3877 | memset(ip_addr, 0, sizeof(ip_addr)); |
3878 | options = le16_to_cpu(fw_ddb_entry->options); |
3879 | if (options & DDB_OPT_IPV6_DEVICE) { |
3880 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_PORTAL_TYPE, buf: "ipv6" , buflen: 4); |
3881 | |
3882 | memset(ip_addr, 0, sizeof(ip_addr)); |
3883 | sprintf(buf: ip_addr, fmt: "%pI6" , fw_ddb_entry->ip_addr); |
3884 | } else { |
3885 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_PORTAL_TYPE, buf: "ipv4" , buflen: 4); |
3886 | sprintf(buf: ip_addr, fmt: "%pI4" , fw_ddb_entry->ip_addr); |
3887 | } |
3888 | |
3889 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_PERSISTENT_ADDRESS, |
3890 | buf: (char *)ip_addr, buflen); |
3891 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_TARGET_NAME, |
3892 | buf: (char *)fw_ddb_entry->iscsi_name, buflen); |
3893 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_INITIATOR_NAME, |
3894 | buf: (char *)ha->name_string, buflen); |
3895 | |
3896 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { |
3897 | if (!qla4xxx_get_uni_chap_at_index(ha, username: chap_tbl.name, |
3898 | password: chap_tbl.secret, |
3899 | chap_index: ddb_entry->chap_tbl_idx)) { |
3900 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_USERNAME, |
3901 | buf: (char *)chap_tbl.name, |
3902 | strlen((char *)chap_tbl.name)); |
3903 | iscsi_set_param(cls_conn, param: ISCSI_PARAM_PASSWORD, |
3904 | buf: (char *)chap_tbl.secret, |
3905 | buflen: chap_tbl.secret_len); |
3906 | } |
3907 | } |
3908 | } |
3909 | |
3910 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, |
3911 | struct ddb_entry *ddb_entry) |
3912 | { |
3913 | struct iscsi_cls_session *cls_sess; |
3914 | struct iscsi_cls_conn *cls_conn; |
3915 | uint32_t ddb_state; |
3916 | dma_addr_t fw_ddb_entry_dma; |
3917 | struct dev_db_entry *fw_ddb_entry; |
3918 | |
3919 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3920 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
3921 | if (!fw_ddb_entry) { |
3922 | ql4_printk(KERN_ERR, ha, |
3923 | "%s: Unable to allocate dma buffer\n" , __func__); |
3924 | goto exit_session_conn_fwddb_param; |
3925 | } |
3926 | |
3927 | if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, fw_ddb_entry, |
3928 | fw_ddb_entry_dma, NULL, NULL, fw_ddb_device_state: &ddb_state, |
3929 | NULL, NULL, NULL) == QLA_ERROR) { |
3930 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
3931 | "get_ddb_entry for fw_ddb_index %d\n" , |
3932 | ha->host_no, __func__, |
3933 | ddb_entry->fw_ddb_index)); |
3934 | goto exit_session_conn_fwddb_param; |
3935 | } |
3936 | |
3937 | cls_sess = ddb_entry->sess; |
3938 | |
3939 | cls_conn = ddb_entry->conn; |
3940 | |
3941 | /* Update params */ |
3942 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
3943 | |
3944 | exit_session_conn_fwddb_param: |
3945 | if (fw_ddb_entry) |
3946 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3947 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
3948 | } |
3949 | |
3950 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
3951 | struct ddb_entry *ddb_entry) |
3952 | { |
3953 | struct iscsi_cls_session *cls_sess; |
3954 | struct iscsi_cls_conn *cls_conn; |
3955 | struct iscsi_session *sess; |
3956 | struct iscsi_conn *conn; |
3957 | uint32_t ddb_state; |
3958 | dma_addr_t fw_ddb_entry_dma; |
3959 | struct dev_db_entry *fw_ddb_entry; |
3960 | |
3961 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
3962 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
3963 | if (!fw_ddb_entry) { |
3964 | ql4_printk(KERN_ERR, ha, |
3965 | "%s: Unable to allocate dma buffer\n" , __func__); |
3966 | goto exit_session_conn_param; |
3967 | } |
3968 | |
3969 | if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, fw_ddb_entry, |
3970 | fw_ddb_entry_dma, NULL, NULL, fw_ddb_device_state: &ddb_state, |
3971 | NULL, NULL, NULL) == QLA_ERROR) { |
3972 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
3973 | "get_ddb_entry for fw_ddb_index %d\n" , |
3974 | ha->host_no, __func__, |
3975 | ddb_entry->fw_ddb_index)); |
3976 | goto exit_session_conn_param; |
3977 | } |
3978 | |
3979 | cls_sess = ddb_entry->sess; |
3980 | sess = cls_sess->dd_data; |
3981 | |
3982 | cls_conn = ddb_entry->conn; |
3983 | conn = cls_conn->dd_data; |
3984 | |
3985 | /* Update timers after login */ |
3986 | ddb_entry->default_relogin_timeout = |
3987 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
3988 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? |
3989 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; |
3990 | ddb_entry->default_time2wait = |
3991 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
3992 | |
3993 | /* Update params */ |
3994 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
3995 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
3996 | |
3997 | memcpy(sess->initiatorname, ha->name_string, |
3998 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); |
3999 | |
4000 | exit_session_conn_param: |
4001 | if (fw_ddb_entry) |
4002 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
4003 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
4004 | } |
4005 | |
4006 | /* |
4007 | * Timer routines |
4008 | */ |
4009 | static void qla4xxx_timer(struct timer_list *t); |
4010 | |
4011 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, |
4012 | unsigned long interval) |
4013 | { |
4014 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n" , |
4015 | __func__, ha->host->host_no)); |
4016 | timer_setup(&ha->timer, qla4xxx_timer, 0); |
4017 | ha->timer.expires = jiffies + interval * HZ; |
4018 | add_timer(timer: &ha->timer); |
4019 | ha->timer_active = 1; |
4020 | } |
4021 | |
4022 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) |
4023 | { |
4024 | del_timer_sync(timer: &ha->timer); |
4025 | ha->timer_active = 0; |
4026 | } |
4027 | |
4028 | /*** |
4029 | * qla4xxx_mark_device_missing - blocks the session |
4030 | * @cls_session: Pointer to the session to be blocked |
4031 | * @ddb_entry: Pointer to device database entry |
4032 | * |
4033 | * This routine marks a device missing and close connection. |
4034 | **/ |
4035 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
4036 | { |
4037 | iscsi_block_session(session: cls_session); |
4038 | } |
4039 | |
4040 | /** |
4041 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. |
4042 | * @ha: Pointer to host adapter structure. |
4043 | * |
4044 | * This routine marks a device missing and resets the relogin retry count. |
4045 | **/ |
4046 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) |
4047 | { |
4048 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_mark_device_missing); |
4049 | } |
4050 | |
4051 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
4052 | struct ddb_entry *ddb_entry, |
4053 | struct scsi_cmnd *cmd) |
4054 | { |
4055 | struct srb *srb; |
4056 | |
4057 | srb = mempool_alloc(pool: ha->srb_mempool, GFP_ATOMIC); |
4058 | if (!srb) |
4059 | return srb; |
4060 | |
4061 | kref_init(kref: &srb->srb_ref); |
4062 | srb->ha = ha; |
4063 | srb->ddb = ddb_entry; |
4064 | srb->cmd = cmd; |
4065 | srb->flags = 0; |
4066 | qla4xxx_cmd_priv(cmd)->srb = srb; |
4067 | |
4068 | return srb; |
4069 | } |
4070 | |
4071 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) |
4072 | { |
4073 | struct scsi_cmnd *cmd = srb->cmd; |
4074 | |
4075 | if (srb->flags & SRB_DMA_VALID) { |
4076 | scsi_dma_unmap(cmd); |
4077 | srb->flags &= ~SRB_DMA_VALID; |
4078 | } |
4079 | qla4xxx_cmd_priv(cmd)->srb = NULL; |
4080 | } |
4081 | |
4082 | void qla4xxx_srb_compl(struct kref *ref) |
4083 | { |
4084 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
4085 | struct scsi_cmnd *cmd = srb->cmd; |
4086 | struct scsi_qla_host *ha = srb->ha; |
4087 | |
4088 | qla4xxx_srb_free_dma(ha, srb); |
4089 | |
4090 | mempool_free(element: srb, pool: ha->srb_mempool); |
4091 | |
4092 | scsi_done(cmd); |
4093 | } |
4094 | |
4095 | /** |
4096 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. |
4097 | * @host: scsi host |
4098 | * @cmd: Pointer to Linux's SCSI command structure |
4099 | * |
4100 | * Remarks: |
4101 | * This routine is invoked by Linux to send a SCSI command to the driver. |
4102 | * The mid-level driver tries to ensure that queuecommand never gets |
4103 | * invoked concurrently with itself or the interrupt handler (although |
4104 | * the interrupt handler may call this routine as part of request- |
4105 | * completion handling). Unfortunely, it sometimes calls the scheduler |
4106 | * in interrupt context which is a big NO! NO!. |
4107 | **/ |
4108 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
4109 | { |
4110 | struct scsi_qla_host *ha = to_qla_host(shost: host); |
4111 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
4112 | struct iscsi_cls_session *sess = ddb_entry->sess; |
4113 | struct srb *srb; |
4114 | int rval; |
4115 | |
4116 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
4117 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) |
4118 | cmd->result = DID_NO_CONNECT << 16; |
4119 | else |
4120 | cmd->result = DID_REQUEUE << 16; |
4121 | goto qc_fail_command; |
4122 | } |
4123 | |
4124 | if (!sess) { |
4125 | cmd->result = DID_IMM_RETRY << 16; |
4126 | goto qc_fail_command; |
4127 | } |
4128 | |
4129 | rval = iscsi_session_chkready(session: sess); |
4130 | if (rval) { |
4131 | cmd->result = rval; |
4132 | goto qc_fail_command; |
4133 | } |
4134 | |
4135 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4136 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
4137 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
4138 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
4139 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
4140 | !test_bit(AF_ONLINE, &ha->flags) || |
4141 | !test_bit(AF_LINK_UP, &ha->flags) || |
4142 | test_bit(AF_LOOPBACK, &ha->flags) || |
4143 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
4144 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || |
4145 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
4146 | goto qc_host_busy; |
4147 | |
4148 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
4149 | if (!srb) |
4150 | goto qc_host_busy; |
4151 | |
4152 | rval = qla4xxx_send_command_to_isp(ha, srb); |
4153 | if (rval != QLA_SUCCESS) |
4154 | goto qc_host_busy_free_sp; |
4155 | |
4156 | return 0; |
4157 | |
4158 | qc_host_busy_free_sp: |
4159 | qla4xxx_srb_free_dma(ha, srb); |
4160 | mempool_free(element: srb, pool: ha->srb_mempool); |
4161 | |
4162 | qc_host_busy: |
4163 | return SCSI_MLQUEUE_HOST_BUSY; |
4164 | |
4165 | qc_fail_command: |
4166 | scsi_done(cmd); |
4167 | |
4168 | return 0; |
4169 | } |
4170 | |
4171 | /** |
4172 | * qla4xxx_mem_free - frees memory allocated to adapter |
4173 | * @ha: Pointer to host adapter structure. |
4174 | * |
4175 | * Frees memory previously allocated by qla4xxx_mem_alloc |
4176 | **/ |
4177 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) |
4178 | { |
4179 | if (ha->queues) |
4180 | dma_free_coherent(dev: &ha->pdev->dev, size: ha->queues_len, cpu_addr: ha->queues, |
4181 | dma_handle: ha->queues_dma); |
4182 | |
4183 | vfree(addr: ha->fw_dump); |
4184 | |
4185 | ha->queues_len = 0; |
4186 | ha->queues = NULL; |
4187 | ha->queues_dma = 0; |
4188 | ha->request_ring = NULL; |
4189 | ha->request_dma = 0; |
4190 | ha->response_ring = NULL; |
4191 | ha->response_dma = 0; |
4192 | ha->shadow_regs = NULL; |
4193 | ha->shadow_regs_dma = 0; |
4194 | ha->fw_dump = NULL; |
4195 | ha->fw_dump_size = 0; |
4196 | |
4197 | /* Free srb pool. */ |
4198 | mempool_destroy(pool: ha->srb_mempool); |
4199 | ha->srb_mempool = NULL; |
4200 | |
4201 | dma_pool_destroy(pool: ha->chap_dma_pool); |
4202 | |
4203 | vfree(addr: ha->chap_list); |
4204 | ha->chap_list = NULL; |
4205 | |
4206 | dma_pool_destroy(pool: ha->fw_ddb_dma_pool); |
4207 | |
4208 | /* release io space registers */ |
4209 | if (is_qla8022(ha)) { |
4210 | if (ha->nx_pcibase) |
4211 | iounmap( |
4212 | addr: (struct device_reg_82xx __iomem *)ha->nx_pcibase); |
4213 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
4214 | if (ha->nx_pcibase) |
4215 | iounmap( |
4216 | addr: (struct device_reg_83xx __iomem *)ha->nx_pcibase); |
4217 | } else if (ha->reg) { |
4218 | iounmap(addr: ha->reg); |
4219 | } |
4220 | |
4221 | vfree(addr: ha->reset_tmplt.buff); |
4222 | |
4223 | pci_release_regions(ha->pdev); |
4224 | } |
4225 | |
4226 | /** |
4227 | * qla4xxx_mem_alloc - allocates memory for use by adapter. |
4228 | * @ha: Pointer to host adapter structure |
4229 | * |
4230 | * Allocates DMA memory for request and response queues. Also allocates memory |
4231 | * for srbs. |
4232 | **/ |
4233 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) |
4234 | { |
4235 | unsigned long align; |
4236 | |
4237 | /* Allocate contiguous block of DMA memory for queues. */ |
4238 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
4239 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + |
4240 | sizeof(struct shadow_regs) + |
4241 | MEM_ALIGN_VALUE + |
4242 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); |
4243 | ha->queues = dma_alloc_coherent(dev: &ha->pdev->dev, size: ha->queues_len, |
4244 | dma_handle: &ha->queues_dma, GFP_KERNEL); |
4245 | if (ha->queues == NULL) { |
4246 | ql4_printk(KERN_WARNING, ha, |
4247 | "Memory Allocation failed - queues.\n" ); |
4248 | |
4249 | goto mem_alloc_error_exit; |
4250 | } |
4251 | |
4252 | /* |
4253 | * As per RISC alignment requirements -- the bus-address must be a |
4254 | * multiple of the request-ring size (in bytes). |
4255 | */ |
4256 | align = 0; |
4257 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) |
4258 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & |
4259 | (MEM_ALIGN_VALUE - 1)); |
4260 | |
4261 | /* Update request and response queue pointers. */ |
4262 | ha->request_dma = ha->queues_dma + align; |
4263 | ha->request_ring = (struct queue_entry *) (ha->queues + align); |
4264 | ha->response_dma = ha->queues_dma + align + |
4265 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); |
4266 | ha->response_ring = (struct queue_entry *) (ha->queues + align + |
4267 | (REQUEST_QUEUE_DEPTH * |
4268 | QUEUE_SIZE)); |
4269 | ha->shadow_regs_dma = ha->queues_dma + align + |
4270 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
4271 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); |
4272 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + |
4273 | (REQUEST_QUEUE_DEPTH * |
4274 | QUEUE_SIZE) + |
4275 | (RESPONSE_QUEUE_DEPTH * |
4276 | QUEUE_SIZE)); |
4277 | |
4278 | /* Allocate memory for srb pool. */ |
4279 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, alloc_fn: mempool_alloc_slab, |
4280 | free_fn: mempool_free_slab, pool_data: srb_cachep); |
4281 | if (ha->srb_mempool == NULL) { |
4282 | ql4_printk(KERN_WARNING, ha, |
4283 | "Memory Allocation failed - SRB Pool.\n" ); |
4284 | |
4285 | goto mem_alloc_error_exit; |
4286 | } |
4287 | |
4288 | ha->chap_dma_pool = dma_pool_create(name: "ql4_chap" , dev: &ha->pdev->dev, |
4289 | CHAP_DMA_BLOCK_SIZE, align: 8, allocation: 0); |
4290 | |
4291 | if (ha->chap_dma_pool == NULL) { |
4292 | ql4_printk(KERN_WARNING, ha, |
4293 | "%s: chap_dma_pool allocation failed..\n" , __func__); |
4294 | goto mem_alloc_error_exit; |
4295 | } |
4296 | |
4297 | ha->fw_ddb_dma_pool = dma_pool_create(name: "ql4_fw_ddb" , dev: &ha->pdev->dev, |
4298 | DDB_DMA_BLOCK_SIZE, align: 8, allocation: 0); |
4299 | |
4300 | if (ha->fw_ddb_dma_pool == NULL) { |
4301 | ql4_printk(KERN_WARNING, ha, |
4302 | "%s: fw_ddb_dma_pool allocation failed..\n" , |
4303 | __func__); |
4304 | goto mem_alloc_error_exit; |
4305 | } |
4306 | |
4307 | return QLA_SUCCESS; |
4308 | |
4309 | mem_alloc_error_exit: |
4310 | return QLA_ERROR; |
4311 | } |
4312 | |
4313 | /** |
4314 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. |
4315 | * @ha: adapter block pointer. |
4316 | * |
4317 | * Note: The caller should not hold the idc lock. |
4318 | **/ |
4319 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) |
4320 | { |
4321 | uint32_t temp, temp_state, temp_val; |
4322 | int status = QLA_SUCCESS; |
4323 | |
4324 | temp = qla4_8xxx_rd_direct(ha, crb_reg: QLA8XXX_CRB_TEMP_STATE); |
4325 | |
4326 | temp_state = qla82xx_get_temp_state(temp); |
4327 | temp_val = qla82xx_get_temp_val(temp); |
4328 | |
4329 | if (temp_state == QLA82XX_TEMP_PANIC) { |
4330 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" |
4331 | " exceeds maximum allowed. Hardware has been shut" |
4332 | " down.\n" , temp_val); |
4333 | status = QLA_ERROR; |
4334 | } else if (temp_state == QLA82XX_TEMP_WARN) { |
4335 | if (ha->temperature == QLA82XX_TEMP_NORMAL) |
4336 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" |
4337 | " degrees C exceeds operating range." |
4338 | " Immediate action needed.\n" , temp_val); |
4339 | } else { |
4340 | if (ha->temperature == QLA82XX_TEMP_WARN) |
4341 | ql4_printk(KERN_INFO, ha, "Device temperature is" |
4342 | " now %d degrees C in normal range.\n" , |
4343 | temp_val); |
4344 | } |
4345 | ha->temperature = temp_state; |
4346 | return status; |
4347 | } |
4348 | |
4349 | /** |
4350 | * qla4_8xxx_check_fw_alive - Check firmware health |
4351 | * @ha: Pointer to host adapter structure. |
4352 | * |
4353 | * Context: Interrupt |
4354 | **/ |
4355 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
4356 | { |
4357 | uint32_t fw_heartbeat_counter; |
4358 | int status = QLA_SUCCESS; |
4359 | |
4360 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
4361 | crb_reg: QLA8XXX_PEG_ALIVE_COUNTER); |
4362 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
4363 | if (fw_heartbeat_counter == 0xffffffff) { |
4364 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " |
4365 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n" , |
4366 | ha->host_no, __func__)); |
4367 | return status; |
4368 | } |
4369 | |
4370 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { |
4371 | ha->seconds_since_last_heartbeat++; |
4372 | /* FW not alive after 2 seconds */ |
4373 | if (ha->seconds_since_last_heartbeat == 2) { |
4374 | ha->seconds_since_last_heartbeat = 0; |
4375 | qla4_8xxx_dump_peg_reg(ha); |
4376 | status = QLA_ERROR; |
4377 | } |
4378 | } else |
4379 | ha->seconds_since_last_heartbeat = 0; |
4380 | |
4381 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
4382 | return status; |
4383 | } |
4384 | |
4385 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
4386 | { |
4387 | uint32_t halt_status; |
4388 | int halt_status_unrecoverable = 0; |
4389 | |
4390 | halt_status = qla4_8xxx_rd_direct(ha, crb_reg: QLA8XXX_PEG_HALT_STATUS1); |
4391 | |
4392 | if (is_qla8022(ha)) { |
4393 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n" , |
4394 | __func__); |
4395 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
4396 | CRB_NIU_XG_PAUSE_CTL_P0 | |
4397 | CRB_NIU_XG_PAUSE_CTL_P1); |
4398 | |
4399 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) |
4400 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n" , |
4401 | __func__); |
4402 | if (halt_status & HALT_STATUS_UNRECOVERABLE) |
4403 | halt_status_unrecoverable = 1; |
4404 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
4405 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
4406 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n" , |
4407 | __func__); |
4408 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) |
4409 | halt_status_unrecoverable = 1; |
4410 | } |
4411 | |
4412 | /* |
4413 | * Since we cannot change dev_state in interrupt context, |
4414 | * set appropriate DPC flag then wakeup DPC |
4415 | */ |
4416 | if (halt_status_unrecoverable) { |
4417 | set_bit(DPC_HA_UNRECOVERABLE, addr: &ha->dpc_flags); |
4418 | } else { |
4419 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n" , |
4420 | __func__); |
4421 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4422 | } |
4423 | qla4xxx_mailbox_premature_completion(ha); |
4424 | qla4xxx_wake_dpc(ha); |
4425 | } |
4426 | |
4427 | /** |
4428 | * qla4_8xxx_watchdog - Poll dev state |
4429 | * @ha: Pointer to host adapter structure. |
4430 | * |
4431 | * Context: Interrupt |
4432 | **/ |
4433 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) |
4434 | { |
4435 | uint32_t dev_state; |
4436 | uint32_t idc_ctrl; |
4437 | |
4438 | if (is_qla8032(ha) && |
4439 | (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) |
4440 | WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n" , |
4441 | __func__, ha->func_num); |
4442 | |
4443 | /* don't poll if reset is going on */ |
4444 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
4445 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
4446 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
4447 | dev_state = qla4_8xxx_rd_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE); |
4448 | |
4449 | if (qla4_8xxx_check_temp(ha)) { |
4450 | if (is_qla8022(ha)) { |
4451 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n" ); |
4452 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
4453 | CRB_NIU_XG_PAUSE_CTL_P0 | |
4454 | CRB_NIU_XG_PAUSE_CTL_P1); |
4455 | } |
4456 | set_bit(DPC_HA_UNRECOVERABLE, addr: &ha->dpc_flags); |
4457 | qla4xxx_wake_dpc(ha); |
4458 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
4459 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
4460 | |
4461 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n" , |
4462 | __func__); |
4463 | |
4464 | if (is_qla8032(ha) || is_qla8042(ha)) { |
4465 | idc_ctrl = qla4_83xx_rd_reg(ha, |
4466 | QLA83XX_IDC_DRV_CTRL); |
4467 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { |
4468 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n" , |
4469 | __func__); |
4470 | qla4xxx_mailbox_premature_completion( |
4471 | ha); |
4472 | } |
4473 | } |
4474 | |
4475 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
4476 | (is_qla8022(ha) && !ql4xdontresethba)) { |
4477 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4478 | qla4xxx_wake_dpc(ha); |
4479 | } |
4480 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
4481 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
4482 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n" , |
4483 | __func__); |
4484 | set_bit(DPC_HA_NEED_QUIESCENT, addr: &ha->dpc_flags); |
4485 | qla4xxx_wake_dpc(ha); |
4486 | } else { |
4487 | /* Check firmware health */ |
4488 | if (qla4_8xxx_check_fw_alive(ha)) |
4489 | qla4_8xxx_process_fw_error(ha); |
4490 | } |
4491 | } |
4492 | } |
4493 | |
4494 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
4495 | { |
4496 | struct iscsi_session *sess; |
4497 | struct ddb_entry *ddb_entry; |
4498 | struct scsi_qla_host *ha; |
4499 | |
4500 | sess = cls_sess->dd_data; |
4501 | ddb_entry = sess->dd_data; |
4502 | ha = ddb_entry->ha; |
4503 | |
4504 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
4505 | return; |
4506 | |
4507 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && |
4508 | !iscsi_is_session_online(session: cls_sess)) { |
4509 | if (atomic_read(v: &ddb_entry->retry_relogin_timer) != |
4510 | INVALID_ENTRY) { |
4511 | if (atomic_read(v: &ddb_entry->retry_relogin_timer) == |
4512 | 0) { |
4513 | atomic_set(v: &ddb_entry->retry_relogin_timer, |
4514 | INVALID_ENTRY); |
4515 | set_bit(DPC_RELOGIN_DEVICE, addr: &ha->dpc_flags); |
4516 | set_bit(DF_RELOGIN, addr: &ddb_entry->flags); |
4517 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4518 | "%s: index [%d] login device\n" , |
4519 | __func__, ddb_entry->fw_ddb_index)); |
4520 | } else |
4521 | atomic_dec(v: &ddb_entry->retry_relogin_timer); |
4522 | } |
4523 | } |
4524 | |
4525 | /* Wait for relogin to timeout */ |
4526 | if (atomic_read(v: &ddb_entry->relogin_timer) && |
4527 | (atomic_dec_and_test(v: &ddb_entry->relogin_timer) != 0)) { |
4528 | /* |
4529 | * If the relogin times out and the device is |
4530 | * still NOT ONLINE then try and relogin again. |
4531 | */ |
4532 | if (!iscsi_is_session_online(session: cls_sess)) { |
4533 | /* Reset retry relogin timer */ |
4534 | atomic_inc(v: &ddb_entry->relogin_retry_count); |
4535 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4536 | "%s: index[%d] relogin timed out-retrying" |
4537 | " relogin (%d), retry (%d)\n" , __func__, |
4538 | ddb_entry->fw_ddb_index, |
4539 | atomic_read(&ddb_entry->relogin_retry_count), |
4540 | ddb_entry->default_time2wait + 4)); |
4541 | set_bit(DPC_RELOGIN_DEVICE, addr: &ha->dpc_flags); |
4542 | atomic_set(v: &ddb_entry->retry_relogin_timer, |
4543 | i: ddb_entry->default_time2wait + 4); |
4544 | } |
4545 | } |
4546 | } |
4547 | |
4548 | /** |
4549 | * qla4xxx_timer - checks every second for work to do. |
4550 | * @t: Context to obtain pointer to host adapter structure. |
4551 | **/ |
4552 | static void qla4xxx_timer(struct timer_list *t) |
4553 | { |
4554 | struct scsi_qla_host *ha = from_timer(ha, t, timer); |
4555 | int start_dpc = 0; |
4556 | uint16_t w; |
4557 | |
4558 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_check_relogin_flash_ddb); |
4559 | |
4560 | /* If we are in the middle of AER/EEH processing |
4561 | * skip any processing and reschedule the timer |
4562 | */ |
4563 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
4564 | mod_timer(timer: &ha->timer, expires: jiffies + HZ); |
4565 | return; |
4566 | } |
4567 | |
4568 | /* Hardware read to trigger an EEH error during mailbox waits. */ |
4569 | if (!pci_channel_offline(pdev: ha->pdev)) |
4570 | pci_read_config_word(dev: ha->pdev, PCI_VENDOR_ID, val: &w); |
4571 | |
4572 | if (is_qla80XX(ha)) |
4573 | qla4_8xxx_watchdog(ha); |
4574 | |
4575 | if (is_qla40XX(ha)) { |
4576 | /* Check for heartbeat interval. */ |
4577 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && |
4578 | ha->heartbeat_interval != 0) { |
4579 | ha->seconds_since_last_heartbeat++; |
4580 | if (ha->seconds_since_last_heartbeat > |
4581 | ha->heartbeat_interval + 2) |
4582 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4583 | } |
4584 | } |
4585 | |
4586 | /* Process any deferred work. */ |
4587 | if (!list_empty(head: &ha->work_list)) |
4588 | start_dpc++; |
4589 | |
4590 | /* Wakeup the dpc routine for this adapter, if needed. */ |
4591 | if (start_dpc || |
4592 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
4593 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || |
4594 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || |
4595 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
4596 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4597 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || |
4598 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
4599 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
4600 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
4601 | test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || |
4602 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
4603 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
4604 | " - dpc flags = 0x%lx\n" , |
4605 | ha->host_no, __func__, ha->dpc_flags)); |
4606 | qla4xxx_wake_dpc(ha); |
4607 | } |
4608 | |
4609 | /* Reschedule timer thread to call us back in one second */ |
4610 | mod_timer(timer: &ha->timer, expires: jiffies + HZ); |
4611 | |
4612 | DEBUG2(ha->seconds_since_last_intr++); |
4613 | } |
4614 | |
4615 | /** |
4616 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete |
4617 | * @ha: Pointer to host adapter structure. |
4618 | * |
4619 | * This routine stalls the driver until all outstanding commands are returned. |
4620 | * Caller must release the Hardware Lock prior to calling this routine. |
4621 | **/ |
4622 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) |
4623 | { |
4624 | uint32_t index = 0; |
4625 | unsigned long flags; |
4626 | struct scsi_cmnd *cmd; |
4627 | unsigned long wtime; |
4628 | uint32_t wtmo; |
4629 | |
4630 | if (is_qla40XX(ha)) |
4631 | wtmo = WAIT_CMD_TOV; |
4632 | else |
4633 | wtmo = ha->nx_reset_timeout / 2; |
4634 | |
4635 | wtime = jiffies + (wtmo * HZ); |
4636 | |
4637 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4638 | "Wait up to %u seconds for cmds to complete\n" , |
4639 | wtmo)); |
4640 | |
4641 | while (!time_after_eq(jiffies, wtime)) { |
4642 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4643 | /* Find a command that hasn't completed. */ |
4644 | for (index = 0; index < ha->host->can_queue; index++) { |
4645 | cmd = scsi_host_find_tag(shost: ha->host, tag: index); |
4646 | /* |
4647 | * We cannot just check if the index is valid, |
4648 | * becase if we are run from the scsi eh, then |
4649 | * the scsi/block layer is going to prevent |
4650 | * the tag from being released. |
4651 | */ |
4652 | if (cmd != NULL && qla4xxx_cmd_priv(cmd)->srb) |
4653 | break; |
4654 | } |
4655 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4656 | |
4657 | /* If No Commands are pending, wait is complete */ |
4658 | if (index == ha->host->can_queue) |
4659 | return QLA_SUCCESS; |
4660 | |
4661 | msleep(msecs: 1000); |
4662 | } |
4663 | /* If we timed out on waiting for commands to come back |
4664 | * return ERROR. */ |
4665 | return QLA_ERROR; |
4666 | } |
4667 | |
4668 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
4669 | { |
4670 | uint32_t ctrl_status; |
4671 | unsigned long flags = 0; |
4672 | |
4673 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n" , ha->host_no, __func__)); |
4674 | |
4675 | if (ql4xxx_lock_drvr_wait(a: ha) != QLA_SUCCESS) |
4676 | return QLA_ERROR; |
4677 | |
4678 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4679 | |
4680 | /* |
4681 | * If the SCSI Reset Interrupt bit is set, clear it. |
4682 | * Otherwise, the Soft Reset won't work. |
4683 | */ |
4684 | ctrl_status = readw(addr: &ha->reg->ctrl_status); |
4685 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) |
4686 | writel(val: set_rmask(CSR_SCSI_RESET_INTR), addr: &ha->reg->ctrl_status); |
4687 | |
4688 | /* Issue Soft Reset */ |
4689 | writel(val: set_rmask(CSR_SOFT_RESET), addr: &ha->reg->ctrl_status); |
4690 | readl(addr: &ha->reg->ctrl_status); |
4691 | |
4692 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4693 | return QLA_SUCCESS; |
4694 | } |
4695 | |
4696 | /** |
4697 | * qla4xxx_soft_reset - performs soft reset. |
4698 | * @ha: Pointer to host adapter structure. |
4699 | **/ |
4700 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) |
4701 | { |
4702 | uint32_t max_wait_time; |
4703 | unsigned long flags = 0; |
4704 | int status; |
4705 | uint32_t ctrl_status; |
4706 | |
4707 | status = qla4xxx_hw_reset(ha); |
4708 | if (status != QLA_SUCCESS) |
4709 | return status; |
4710 | |
4711 | status = QLA_ERROR; |
4712 | /* Wait until the Network Reset Intr bit is cleared */ |
4713 | max_wait_time = RESET_INTR_TOV; |
4714 | do { |
4715 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4716 | ctrl_status = readw(addr: &ha->reg->ctrl_status); |
4717 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4718 | |
4719 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) |
4720 | break; |
4721 | |
4722 | msleep(msecs: 1000); |
4723 | } while ((--max_wait_time)); |
4724 | |
4725 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { |
4726 | DEBUG2(printk(KERN_WARNING |
4727 | "scsi%ld: Network Reset Intr not cleared by " |
4728 | "Network function, clearing it now!\n" , |
4729 | ha->host_no)); |
4730 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4731 | writel(val: set_rmask(CSR_NET_RESET_INTR), addr: &ha->reg->ctrl_status); |
4732 | readl(addr: &ha->reg->ctrl_status); |
4733 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4734 | } |
4735 | |
4736 | /* Wait until the firmware tells us the Soft Reset is done */ |
4737 | max_wait_time = SOFT_RESET_TOV; |
4738 | do { |
4739 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4740 | ctrl_status = readw(addr: &ha->reg->ctrl_status); |
4741 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4742 | |
4743 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { |
4744 | status = QLA_SUCCESS; |
4745 | break; |
4746 | } |
4747 | |
4748 | msleep(msecs: 1000); |
4749 | } while ((--max_wait_time)); |
4750 | |
4751 | /* |
4752 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared |
4753 | * after the soft reset has taken place. |
4754 | */ |
4755 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4756 | ctrl_status = readw(addr: &ha->reg->ctrl_status); |
4757 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { |
4758 | writel(val: set_rmask(CSR_SCSI_RESET_INTR), addr: &ha->reg->ctrl_status); |
4759 | readl(addr: &ha->reg->ctrl_status); |
4760 | } |
4761 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4762 | |
4763 | /* If soft reset fails then most probably the bios on other |
4764 | * function is also enabled. |
4765 | * Since the initialization is sequential the other fn |
4766 | * wont be able to acknowledge the soft reset. |
4767 | * Issue a force soft reset to workaround this scenario. |
4768 | */ |
4769 | if (max_wait_time == 0) { |
4770 | /* Issue Force Soft Reset */ |
4771 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4772 | writel(val: set_rmask(CSR_FORCE_SOFT_RESET), addr: &ha->reg->ctrl_status); |
4773 | readl(addr: &ha->reg->ctrl_status); |
4774 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4775 | /* Wait until the firmware tells us the Soft Reset is done */ |
4776 | max_wait_time = SOFT_RESET_TOV; |
4777 | do { |
4778 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4779 | ctrl_status = readw(addr: &ha->reg->ctrl_status); |
4780 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4781 | |
4782 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { |
4783 | status = QLA_SUCCESS; |
4784 | break; |
4785 | } |
4786 | |
4787 | msleep(msecs: 1000); |
4788 | } while ((--max_wait_time)); |
4789 | } |
4790 | |
4791 | return status; |
4792 | } |
4793 | |
4794 | /** |
4795 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
4796 | * @ha: Pointer to host adapter structure. |
4797 | * @res: returned scsi status |
4798 | * |
4799 | * This routine is called just prior to a HARD RESET to return all |
4800 | * outstanding commands back to the Operating System. |
4801 | * Caller should make sure that the following locks are released |
4802 | * before this calling routine: Hardware lock, and io_request_lock. |
4803 | **/ |
4804 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
4805 | { |
4806 | struct srb *srb; |
4807 | int i; |
4808 | unsigned long flags; |
4809 | |
4810 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4811 | for (i = 0; i < ha->host->can_queue; i++) { |
4812 | srb = qla4xxx_del_from_active_array(ha, index: i); |
4813 | if (srb != NULL) { |
4814 | srb->cmd->result = res; |
4815 | kref_put(kref: &srb->srb_ref, release: qla4xxx_srb_compl); |
4816 | } |
4817 | } |
4818 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
4819 | } |
4820 | |
4821 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
4822 | { |
4823 | clear_bit(AF_ONLINE, addr: &ha->flags); |
4824 | |
4825 | /* Disable the board */ |
4826 | ql4_printk(KERN_INFO, ha, "Disabling the board\n" ); |
4827 | |
4828 | qla4xxx_abort_active_cmds(ha, res: DID_NO_CONNECT << 16); |
4829 | qla4xxx_mark_all_devices_missing(ha); |
4830 | clear_bit(AF_INIT_DONE, addr: &ha->flags); |
4831 | } |
4832 | |
4833 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
4834 | { |
4835 | struct iscsi_session *sess; |
4836 | struct ddb_entry *ddb_entry; |
4837 | |
4838 | sess = cls_session->dd_data; |
4839 | ddb_entry = sess->dd_data; |
4840 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; |
4841 | |
4842 | if (ddb_entry->ddb_type == FLASH_DDB) |
4843 | iscsi_block_session(session: ddb_entry->sess); |
4844 | else |
4845 | iscsi_session_failure(session: cls_session->dd_data, |
4846 | err: ISCSI_ERR_CONN_FAILED); |
4847 | } |
4848 | |
4849 | /** |
4850 | * qla4xxx_recover_adapter - recovers adapter after a fatal error |
4851 | * @ha: Pointer to host adapter structure. |
4852 | **/ |
4853 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
4854 | { |
4855 | int status = QLA_ERROR; |
4856 | uint8_t reset_chip = 0; |
4857 | uint32_t dev_state; |
4858 | unsigned long wait; |
4859 | |
4860 | /* Stall incoming I/O until we are done */ |
4861 | scsi_block_requests(ha->host); |
4862 | clear_bit(AF_ONLINE, addr: &ha->flags); |
4863 | clear_bit(AF_LINK_UP, addr: &ha->flags); |
4864 | |
4865 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n" , __func__)); |
4866 | |
4867 | set_bit(DPC_RESET_ACTIVE, addr: &ha->dpc_flags); |
4868 | |
4869 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
4870 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4871 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n" , |
4872 | __func__); |
4873 | /* disable pause frame for ISP83xx */ |
4874 | qla4_83xx_disable_pause(ha); |
4875 | } |
4876 | |
4877 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_fail_session); |
4878 | |
4879 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
4880 | reset_chip = 1; |
4881 | |
4882 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
4883 | * do not reset adapter, jump to initialize_adapter */ |
4884 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
4885 | status = QLA_SUCCESS; |
4886 | goto recover_ha_init_adapter; |
4887 | } |
4888 | |
4889 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
4890 | * from eh_host_reset or ioctl module */ |
4891 | if (is_qla80XX(ha) && !reset_chip && |
4892 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4893 | |
4894 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4895 | "scsi%ld: %s - Performing stop_firmware...\n" , |
4896 | ha->host_no, __func__)); |
4897 | status = ha->isp_ops->reset_firmware(ha); |
4898 | if (status == QLA_SUCCESS) { |
4899 | ha->isp_ops->disable_intrs(ha); |
4900 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
4901 | qla4xxx_abort_active_cmds(ha, res: DID_RESET << 16); |
4902 | } else { |
4903 | /* If the stop_firmware fails then |
4904 | * reset the entire chip */ |
4905 | reset_chip = 1; |
4906 | clear_bit(DPC_RESET_HA_FW_CONTEXT, addr: &ha->dpc_flags); |
4907 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4908 | } |
4909 | } |
4910 | |
4911 | /* Issue full chip reset if recovering from a catastrophic error, |
4912 | * or if stop_firmware fails for ISP-8xxx. |
4913 | * This is the default case for ISP-4xxx */ |
4914 | if (is_qla40XX(ha) || reset_chip) { |
4915 | if (is_qla40XX(ha)) |
4916 | goto chip_reset; |
4917 | |
4918 | /* Check if 8XXX firmware is alive or not |
4919 | * We may have arrived here from NEED_RESET |
4920 | * detection only */ |
4921 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) |
4922 | goto chip_reset; |
4923 | |
4924 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); |
4925 | while (time_before(jiffies, wait)) { |
4926 | if (qla4_8xxx_check_fw_alive(ha)) { |
4927 | qla4xxx_mailbox_premature_completion(ha); |
4928 | break; |
4929 | } |
4930 | |
4931 | set_current_state(TASK_UNINTERRUPTIBLE); |
4932 | schedule_timeout(HZ); |
4933 | } |
4934 | chip_reset: |
4935 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
4936 | qla4xxx_cmd_wait(ha); |
4937 | |
4938 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
4939 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4940 | "scsi%ld: %s - Performing chip reset..\n" , |
4941 | ha->host_no, __func__)); |
4942 | status = ha->isp_ops->reset_chip(ha); |
4943 | qla4xxx_abort_active_cmds(ha, res: DID_RESET << 16); |
4944 | } |
4945 | |
4946 | /* Flush any pending ddb changed AENs */ |
4947 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
4948 | |
4949 | recover_ha_init_adapter: |
4950 | /* Upon successful firmware/chip reset, re-initialize the adapter */ |
4951 | if (status == QLA_SUCCESS) { |
4952 | /* For ISP-4xxx, force function 1 to always initialize |
4953 | * before function 3 to prevent both funcions from |
4954 | * stepping on top of the other */ |
4955 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
4956 | ssleep(seconds: 6); |
4957 | |
4958 | /* NOTE: AF_ONLINE flag set upon successful completion of |
4959 | * qla4xxx_initialize_adapter */ |
4960 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
4961 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
4962 | status = qla4_8xxx_check_init_adapter_retry(ha); |
4963 | if (status == QLA_ERROR) { |
4964 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n" , |
4965 | ha->host_no, __func__); |
4966 | qla4xxx_dead_adapter_cleanup(ha); |
4967 | clear_bit(DPC_RETRY_RESET_HA, addr: &ha->dpc_flags); |
4968 | clear_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4969 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
4970 | addr: &ha->dpc_flags); |
4971 | goto exit_recover; |
4972 | } |
4973 | } |
4974 | } |
4975 | |
4976 | /* Retry failed adapter initialization, if necessary |
4977 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) |
4978 | * case to prevent ping-pong resets between functions */ |
4979 | if (!test_bit(AF_ONLINE, &ha->flags) && |
4980 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
4981 | /* Adapter initialization failed, see if we can retry |
4982 | * resetting the ha. |
4983 | * Since we don't want to block the DPC for too long |
4984 | * with multiple resets in the same thread, |
4985 | * utilize DPC to retry */ |
4986 | if (is_qla80XX(ha)) { |
4987 | ha->isp_ops->idc_lock(ha); |
4988 | dev_state = qla4_8xxx_rd_direct(ha, |
4989 | crb_reg: QLA8XXX_CRB_DEV_STATE); |
4990 | ha->isp_ops->idc_unlock(ha); |
4991 | if (dev_state == QLA8XXX_DEV_FAILED) { |
4992 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
4993 | "recover adapter. H/W is in Failed " |
4994 | "state\n" , __func__); |
4995 | qla4xxx_dead_adapter_cleanup(ha); |
4996 | clear_bit(DPC_RETRY_RESET_HA, addr: &ha->dpc_flags); |
4997 | clear_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
4998 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
4999 | addr: &ha->dpc_flags); |
5000 | status = QLA_ERROR; |
5001 | |
5002 | goto exit_recover; |
5003 | } |
5004 | } |
5005 | |
5006 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
5007 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; |
5008 | DEBUG2(printk("scsi%ld: recover adapter - retrying " |
5009 | "(%d) more times\n" , ha->host_no, |
5010 | ha->retry_reset_ha_cnt)); |
5011 | set_bit(DPC_RETRY_RESET_HA, addr: &ha->dpc_flags); |
5012 | status = QLA_ERROR; |
5013 | } else { |
5014 | if (ha->retry_reset_ha_cnt > 0) { |
5015 | /* Schedule another Reset HA--DPC will retry */ |
5016 | ha->retry_reset_ha_cnt--; |
5017 | DEBUG2(printk("scsi%ld: recover adapter - " |
5018 | "retry remaining %d\n" , |
5019 | ha->host_no, |
5020 | ha->retry_reset_ha_cnt)); |
5021 | status = QLA_ERROR; |
5022 | } |
5023 | |
5024 | if (ha->retry_reset_ha_cnt == 0) { |
5025 | /* Recover adapter retries have been exhausted. |
5026 | * Adapter DEAD */ |
5027 | DEBUG2(printk("scsi%ld: recover adapter " |
5028 | "failed - board disabled\n" , |
5029 | ha->host_no)); |
5030 | qla4xxx_dead_adapter_cleanup(ha); |
5031 | clear_bit(DPC_RETRY_RESET_HA, addr: &ha->dpc_flags); |
5032 | clear_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
5033 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
5034 | addr: &ha->dpc_flags); |
5035 | status = QLA_ERROR; |
5036 | } |
5037 | } |
5038 | } else { |
5039 | clear_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
5040 | clear_bit(DPC_RESET_HA_FW_CONTEXT, addr: &ha->dpc_flags); |
5041 | clear_bit(DPC_RETRY_RESET_HA, addr: &ha->dpc_flags); |
5042 | } |
5043 | |
5044 | exit_recover: |
5045 | ha->adapter_error_count++; |
5046 | |
5047 | if (test_bit(AF_ONLINE, &ha->flags)) |
5048 | ha->isp_ops->enable_intrs(ha); |
5049 | |
5050 | scsi_unblock_requests(ha->host); |
5051 | |
5052 | clear_bit(DPC_RESET_ACTIVE, addr: &ha->dpc_flags); |
5053 | DEBUG2(printk("scsi%ld: recover adapter: %s\n" , ha->host_no, |
5054 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED" )); |
5055 | |
5056 | return status; |
5057 | } |
5058 | |
5059 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
5060 | { |
5061 | struct iscsi_session *sess; |
5062 | struct ddb_entry *ddb_entry; |
5063 | struct scsi_qla_host *ha; |
5064 | |
5065 | sess = cls_session->dd_data; |
5066 | ddb_entry = sess->dd_data; |
5067 | ha = ddb_entry->ha; |
5068 | if (!iscsi_is_session_online(session: cls_session)) { |
5069 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { |
5070 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
5071 | " unblock session\n" , ha->host_no, __func__, |
5072 | ddb_entry->fw_ddb_index); |
5073 | iscsi_unblock_session(session: ddb_entry->sess); |
5074 | } else { |
5075 | /* Trigger relogin */ |
5076 | if (ddb_entry->ddb_type == FLASH_DDB) { |
5077 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
5078 | test_bit(DF_DISABLE_RELOGIN, |
5079 | &ddb_entry->flags))) |
5080 | qla4xxx_arm_relogin_timer(ddb_entry); |
5081 | } else |
5082 | iscsi_session_failure(session: cls_session->dd_data, |
5083 | err: ISCSI_ERR_CONN_FAILED); |
5084 | } |
5085 | } |
5086 | } |
5087 | |
5088 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
5089 | { |
5090 | struct iscsi_session *sess; |
5091 | struct ddb_entry *ddb_entry; |
5092 | struct scsi_qla_host *ha; |
5093 | |
5094 | sess = cls_session->dd_data; |
5095 | ddb_entry = sess->dd_data; |
5096 | ha = ddb_entry->ha; |
5097 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
5098 | " unblock session\n" , ha->host_no, __func__, |
5099 | ddb_entry->fw_ddb_index); |
5100 | |
5101 | iscsi_unblock_session(session: ddb_entry->sess); |
5102 | |
5103 | /* Start scan target */ |
5104 | if (test_bit(AF_ONLINE, &ha->flags)) { |
5105 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
5106 | " start scan\n" , ha->host_no, __func__, |
5107 | ddb_entry->fw_ddb_index); |
5108 | queue_work(wq: ddb_entry->sess->workq, work: &ddb_entry->sess->scan_work); |
5109 | } |
5110 | return QLA_SUCCESS; |
5111 | } |
5112 | |
5113 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) |
5114 | { |
5115 | struct iscsi_session *sess; |
5116 | struct ddb_entry *ddb_entry; |
5117 | struct scsi_qla_host *ha; |
5118 | int status = QLA_SUCCESS; |
5119 | |
5120 | sess = cls_session->dd_data; |
5121 | ddb_entry = sess->dd_data; |
5122 | ha = ddb_entry->ha; |
5123 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
5124 | " unblock user space session\n" , ha->host_no, __func__, |
5125 | ddb_entry->fw_ddb_index); |
5126 | |
5127 | if (!iscsi_is_session_online(session: cls_session)) { |
5128 | iscsi_conn_start(ddb_entry->conn); |
5129 | iscsi_conn_login_event(conn: ddb_entry->conn, |
5130 | state: ISCSI_CONN_STATE_LOGGED_IN); |
5131 | } else { |
5132 | ql4_printk(KERN_INFO, ha, |
5133 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n" , |
5134 | ha->host_no, __func__, ddb_entry->fw_ddb_index, |
5135 | cls_session->sid); |
5136 | status = QLA_ERROR; |
5137 | } |
5138 | |
5139 | return status; |
5140 | } |
5141 | |
5142 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
5143 | { |
5144 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_relogin_devices); |
5145 | } |
5146 | |
5147 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
5148 | { |
5149 | uint16_t relogin_timer; |
5150 | struct iscsi_session *sess; |
5151 | struct ddb_entry *ddb_entry; |
5152 | struct scsi_qla_host *ha; |
5153 | |
5154 | sess = cls_sess->dd_data; |
5155 | ddb_entry = sess->dd_data; |
5156 | ha = ddb_entry->ha; |
5157 | |
5158 | relogin_timer = max(ddb_entry->default_relogin_timeout, |
5159 | (uint16_t)RELOGIN_TOV); |
5160 | atomic_set(v: &ddb_entry->relogin_timer, i: relogin_timer); |
5161 | |
5162 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5163 | "scsi%ld: Relogin index [%d]. TOV=%d\n" , ha->host_no, |
5164 | ddb_entry->fw_ddb_index, relogin_timer)); |
5165 | |
5166 | qla4xxx_login_flash_ddb(cls_session: cls_sess); |
5167 | } |
5168 | |
5169 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) |
5170 | { |
5171 | struct iscsi_session *sess; |
5172 | struct ddb_entry *ddb_entry; |
5173 | struct scsi_qla_host *ha; |
5174 | |
5175 | sess = cls_sess->dd_data; |
5176 | ddb_entry = sess->dd_data; |
5177 | ha = ddb_entry->ha; |
5178 | |
5179 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
5180 | return; |
5181 | |
5182 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
5183 | return; |
5184 | |
5185 | if (test_and_clear_bit(DF_RELOGIN, addr: &ddb_entry->flags) && |
5186 | !iscsi_is_session_online(session: cls_sess)) { |
5187 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5188 | "relogin issued\n" )); |
5189 | qla4xxx_relogin_flash_ddb(cls_sess); |
5190 | } |
5191 | } |
5192 | |
5193 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
5194 | { |
5195 | if (ha->dpc_thread) |
5196 | queue_work(wq: ha->dpc_thread, work: &ha->dpc_work); |
5197 | } |
5198 | |
5199 | static struct qla4_work_evt * |
5200 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, |
5201 | enum qla4_work_type type) |
5202 | { |
5203 | struct qla4_work_evt *e; |
5204 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; |
5205 | |
5206 | e = kzalloc(size, GFP_ATOMIC); |
5207 | if (!e) |
5208 | return NULL; |
5209 | |
5210 | INIT_LIST_HEAD(list: &e->list); |
5211 | e->type = type; |
5212 | return e; |
5213 | } |
5214 | |
5215 | static void qla4xxx_post_work(struct scsi_qla_host *ha, |
5216 | struct qla4_work_evt *e) |
5217 | { |
5218 | unsigned long flags; |
5219 | |
5220 | spin_lock_irqsave(&ha->work_lock, flags); |
5221 | list_add_tail(new: &e->list, head: &ha->work_list); |
5222 | spin_unlock_irqrestore(lock: &ha->work_lock, flags); |
5223 | qla4xxx_wake_dpc(ha); |
5224 | } |
5225 | |
5226 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, |
5227 | enum iscsi_host_event_code aen_code, |
5228 | uint32_t data_size, uint8_t *data) |
5229 | { |
5230 | struct qla4_work_evt *e; |
5231 | |
5232 | e = qla4xxx_alloc_work(ha, data_size, type: QLA4_EVENT_AEN); |
5233 | if (!e) |
5234 | return QLA_ERROR; |
5235 | |
5236 | e->u.aen.code = aen_code; |
5237 | e->u.aen.data_size = data_size; |
5238 | memcpy(e->u.aen.data, data, data_size); |
5239 | |
5240 | qla4xxx_post_work(ha, e); |
5241 | |
5242 | return QLA_SUCCESS; |
5243 | } |
5244 | |
5245 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
5246 | uint32_t status, uint32_t pid, |
5247 | uint32_t data_size, uint8_t *data) |
5248 | { |
5249 | struct qla4_work_evt *e; |
5250 | |
5251 | e = qla4xxx_alloc_work(ha, data_size, type: QLA4_EVENT_PING_STATUS); |
5252 | if (!e) |
5253 | return QLA_ERROR; |
5254 | |
5255 | e->u.ping.status = status; |
5256 | e->u.ping.pid = pid; |
5257 | e->u.ping.data_size = data_size; |
5258 | memcpy(e->u.ping.data, data, data_size); |
5259 | |
5260 | qla4xxx_post_work(ha, e); |
5261 | |
5262 | return QLA_SUCCESS; |
5263 | } |
5264 | |
5265 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
5266 | { |
5267 | struct qla4_work_evt *e, *tmp; |
5268 | unsigned long flags; |
5269 | LIST_HEAD(work); |
5270 | |
5271 | spin_lock_irqsave(&ha->work_lock, flags); |
5272 | list_splice_init(list: &ha->work_list, head: &work); |
5273 | spin_unlock_irqrestore(lock: &ha->work_lock, flags); |
5274 | |
5275 | list_for_each_entry_safe(e, tmp, &work, list) { |
5276 | list_del_init(entry: &e->list); |
5277 | |
5278 | switch (e->type) { |
5279 | case QLA4_EVENT_AEN: |
5280 | iscsi_post_host_event(host_no: ha->host_no, |
5281 | transport: &qla4xxx_iscsi_transport, |
5282 | code: e->u.aen.code, |
5283 | data_size: e->u.aen.data_size, |
5284 | data: e->u.aen.data); |
5285 | break; |
5286 | case QLA4_EVENT_PING_STATUS: |
5287 | iscsi_ping_comp_event(host_no: ha->host_no, |
5288 | transport: &qla4xxx_iscsi_transport, |
5289 | status: e->u.ping.status, |
5290 | pid: e->u.ping.pid, |
5291 | data_size: e->u.ping.data_size, |
5292 | data: e->u.ping.data); |
5293 | break; |
5294 | default: |
5295 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " |
5296 | "supported" , e->type); |
5297 | } |
5298 | kfree(objp: e); |
5299 | } |
5300 | } |
5301 | |
5302 | /** |
5303 | * qla4xxx_do_dpc - dpc routine |
5304 | * @work: Context to obtain pointer to host adapter structure. |
5305 | * |
5306 | * This routine is a task that is schedule by the interrupt handler |
5307 | * to perform the background processing for interrupts. We put it |
5308 | * on a task queue that is consumed whenever the scheduler runs; that's |
5309 | * so you can do anything (i.e. put the process to sleep etc). In fact, |
5310 | * the mid-level tries to sleep when it reaches the driver threshold |
5311 | * "host->can_queue". This can cause a panic if we were in our interrupt code. |
5312 | **/ |
5313 | static void qla4xxx_do_dpc(struct work_struct *work) |
5314 | { |
5315 | struct scsi_qla_host *ha = |
5316 | container_of(work, struct scsi_qla_host, dpc_work); |
5317 | int status = QLA_ERROR; |
5318 | |
5319 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5320 | "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n" , |
5321 | ha->host_no, __func__, ha->flags, ha->dpc_flags)); |
5322 | |
5323 | /* Initialization not yet finished. Don't do anything yet. */ |
5324 | if (!test_bit(AF_INIT_DONE, &ha->flags)) |
5325 | return; |
5326 | |
5327 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
5328 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n" , |
5329 | ha->host_no, __func__, ha->flags)); |
5330 | return; |
5331 | } |
5332 | |
5333 | /* post events to application */ |
5334 | qla4xxx_do_work(ha); |
5335 | |
5336 | if (is_qla80XX(ha)) { |
5337 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
5338 | if (is_qla8032(ha) || is_qla8042(ha)) { |
5339 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n" , |
5340 | __func__); |
5341 | /* disable pause frame for ISP83xx */ |
5342 | qla4_83xx_disable_pause(ha); |
5343 | } |
5344 | |
5345 | ha->isp_ops->idc_lock(ha); |
5346 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
5347 | QLA8XXX_DEV_FAILED); |
5348 | ha->isp_ops->idc_unlock(ha); |
5349 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n" ); |
5350 | qla4_8xxx_device_state_handler(ha); |
5351 | } |
5352 | |
5353 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
5354 | if (is_qla8042(ha)) { |
5355 | if (ha->idc_info.info2 & |
5356 | ENABLE_INTERNAL_LOOPBACK) { |
5357 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n" , |
5358 | __func__); |
5359 | status = qla4_84xx_config_acb(ha, |
5360 | ACB_CONFIG_DISABLE); |
5361 | if (status != QLA_SUCCESS) { |
5362 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n" , |
5363 | __func__); |
5364 | } |
5365 | } |
5366 | } |
5367 | qla4_83xx_post_idc_ack(ha); |
5368 | clear_bit(DPC_POST_IDC_ACK, addr: &ha->dpc_flags); |
5369 | } |
5370 | |
5371 | if (is_qla8042(ha) && |
5372 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { |
5373 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n" , |
5374 | __func__); |
5375 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != |
5376 | QLA_SUCCESS) { |
5377 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed " , |
5378 | __func__); |
5379 | } |
5380 | clear_bit(DPC_RESTORE_ACB, addr: &ha->dpc_flags); |
5381 | } |
5382 | |
5383 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, addr: &ha->dpc_flags)) { |
5384 | qla4_8xxx_need_qsnt_handler(ha); |
5385 | } |
5386 | } |
5387 | |
5388 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && |
5389 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
5390 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
5391 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
5392 | if ((is_qla8022(ha) && ql4xdontresethba) || |
5393 | ((is_qla8032(ha) || is_qla8042(ha)) && |
5394 | qla4_83xx_idc_dontreset(ha))) { |
5395 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n" , |
5396 | ha->host_no, __func__)); |
5397 | clear_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
5398 | clear_bit(DPC_RESET_HA_INTR, addr: &ha->dpc_flags); |
5399 | clear_bit(DPC_RESET_HA_FW_CONTEXT, addr: &ha->dpc_flags); |
5400 | goto dpc_post_reset_ha; |
5401 | } |
5402 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
5403 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
5404 | qla4xxx_recover_adapter(ha); |
5405 | |
5406 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
5407 | uint8_t wait_time = RESET_INTR_TOV; |
5408 | |
5409 | while ((readw(addr: &ha->reg->ctrl_status) & |
5410 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { |
5411 | if (--wait_time == 0) |
5412 | break; |
5413 | msleep(msecs: 1000); |
5414 | } |
5415 | if (wait_time == 0) |
5416 | DEBUG2(printk("scsi%ld: %s: SR|FSR " |
5417 | "bit not cleared-- resetting\n" , |
5418 | ha->host_no, __func__)); |
5419 | qla4xxx_abort_active_cmds(ha, res: DID_RESET << 16); |
5420 | if (ql4xxx_lock_drvr_wait(a: ha) == QLA_SUCCESS) { |
5421 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
5422 | status = qla4xxx_recover_adapter(ha); |
5423 | } |
5424 | clear_bit(DPC_RESET_HA_INTR, addr: &ha->dpc_flags); |
5425 | if (status == QLA_SUCCESS) |
5426 | ha->isp_ops->enable_intrs(ha); |
5427 | } |
5428 | } |
5429 | |
5430 | dpc_post_reset_ha: |
5431 | /* ---- process AEN? --- */ |
5432 | if (test_and_clear_bit(DPC_AEN, addr: &ha->dpc_flags)) |
5433 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); |
5434 | |
5435 | /* ---- Get DHCP IP Address? --- */ |
5436 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, addr: &ha->dpc_flags)) |
5437 | qla4xxx_get_dhcp_ip_address(ha); |
5438 | |
5439 | /* ---- relogin device? --- */ |
5440 | if (adapter_up(ha) && |
5441 | test_and_clear_bit(DPC_RELOGIN_DEVICE, addr: &ha->dpc_flags)) { |
5442 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_dpc_relogin); |
5443 | } |
5444 | |
5445 | /* ---- link change? --- */ |
5446 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
5447 | test_and_clear_bit(DPC_LINK_CHANGED, addr: &ha->dpc_flags)) { |
5448 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
5449 | /* ---- link down? --- */ |
5450 | qla4xxx_mark_all_devices_missing(ha); |
5451 | } else { |
5452 | /* ---- link up? --- * |
5453 | * F/W will auto login to all devices ONLY ONCE after |
5454 | * link up during driver initialization and runtime |
5455 | * fatal error recovery. Therefore, the driver must |
5456 | * manually relogin to devices when recovering from |
5457 | * connection failures, logouts, expired KATO, etc. */ |
5458 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, addr: &ha->flags)) { |
5459 | qla4xxx_build_ddb_list(ha, is_reset: ha->is_reset); |
5460 | iscsi_host_for_each_session(shost: ha->host, |
5461 | fn: qla4xxx_login_flash_ddb); |
5462 | } else |
5463 | qla4xxx_relogin_all_devices(ha); |
5464 | } |
5465 | } |
5466 | if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, addr: &ha->dpc_flags)) { |
5467 | if (qla4xxx_sysfs_ddb_export(ha)) |
5468 | ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n" , |
5469 | __func__); |
5470 | } |
5471 | } |
5472 | |
5473 | /** |
5474 | * qla4xxx_free_adapter - release the adapter |
5475 | * @ha: pointer to adapter structure |
5476 | **/ |
5477 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) |
5478 | { |
5479 | qla4xxx_abort_active_cmds(ha, res: DID_NO_CONNECT << 16); |
5480 | |
5481 | /* Turn-off interrupts on the card. */ |
5482 | ha->isp_ops->disable_intrs(ha); |
5483 | |
5484 | if (is_qla40XX(ha)) { |
5485 | writel(val: set_rmask(CSR_SCSI_PROCESSOR_INTR), |
5486 | addr: &ha->reg->ctrl_status); |
5487 | readl(addr: &ha->reg->ctrl_status); |
5488 | } else if (is_qla8022(ha)) { |
5489 | writel(val: 0, addr: &ha->qla4_82xx_reg->host_int); |
5490 | readl(addr: &ha->qla4_82xx_reg->host_int); |
5491 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
5492 | writel(val: 0, addr: &ha->qla4_83xx_reg->risc_intr); |
5493 | readl(addr: &ha->qla4_83xx_reg->risc_intr); |
5494 | } |
5495 | |
5496 | /* Remove timer thread, if present */ |
5497 | if (ha->timer_active) |
5498 | qla4xxx_stop_timer(ha); |
5499 | |
5500 | /* Kill the kernel thread for this host */ |
5501 | if (ha->dpc_thread) |
5502 | destroy_workqueue(wq: ha->dpc_thread); |
5503 | |
5504 | /* Kill the kernel thread for this host */ |
5505 | if (ha->task_wq) |
5506 | destroy_workqueue(wq: ha->task_wq); |
5507 | |
5508 | /* Put firmware in known state */ |
5509 | ha->isp_ops->reset_firmware(ha); |
5510 | |
5511 | if (is_qla80XX(ha)) { |
5512 | ha->isp_ops->idc_lock(ha); |
5513 | qla4_8xxx_clear_drv_active(ha); |
5514 | ha->isp_ops->idc_unlock(ha); |
5515 | } |
5516 | |
5517 | /* Detach interrupts */ |
5518 | qla4xxx_free_irqs(ha); |
5519 | |
5520 | /* free extra memory */ |
5521 | qla4xxx_mem_free(ha); |
5522 | } |
5523 | |
5524 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) |
5525 | { |
5526 | int status = 0; |
5527 | unsigned long mem_base, mem_len; |
5528 | struct pci_dev *pdev = ha->pdev; |
5529 | |
5530 | status = pci_request_regions(pdev, DRIVER_NAME); |
5531 | if (status) { |
5532 | printk(KERN_WARNING |
5533 | "scsi(%ld) Failed to reserve PIO regions (%s) " |
5534 | "status=%d\n" , ha->host_no, pci_name(pdev), status); |
5535 | goto iospace_error_exit; |
5536 | } |
5537 | |
5538 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n" , |
5539 | __func__, pdev->revision)); |
5540 | ha->revision_id = pdev->revision; |
5541 | |
5542 | /* remap phys address */ |
5543 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ |
5544 | mem_len = pci_resource_len(pdev, 0); |
5545 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n" , |
5546 | __func__, mem_base, mem_len)); |
5547 | |
5548 | /* mapping of pcibase pointer */ |
5549 | ha->nx_pcibase = (unsigned long)ioremap(offset: mem_base, size: mem_len); |
5550 | if (!ha->nx_pcibase) { |
5551 | printk(KERN_ERR |
5552 | "cannot remap MMIO (%s), aborting\n" , pci_name(pdev)); |
5553 | pci_release_regions(ha->pdev); |
5554 | goto iospace_error_exit; |
5555 | } |
5556 | |
5557 | /* Mapping of IO base pointer, door bell read and write pointer */ |
5558 | |
5559 | /* mapping of IO base pointer */ |
5560 | if (is_qla8022(ha)) { |
5561 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) |
5562 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + |
5563 | (ha->pdev->devfn << 11)); |
5564 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : |
5565 | QLA82XX_CAM_RAM_DB2); |
5566 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
5567 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
5568 | ((uint8_t *)ha->nx_pcibase); |
5569 | } |
5570 | |
5571 | return 0; |
5572 | iospace_error_exit: |
5573 | return -ENOMEM; |
5574 | } |
5575 | |
5576 | /*** |
5577 | * qla4xxx_iospace_config - maps registers |
5578 | * @ha: pointer to adapter structure |
5579 | * |
5580 | * This routines maps HBA's registers from the pci address space |
5581 | * into the kernel virtual address space for memory mapped i/o. |
5582 | **/ |
5583 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
5584 | { |
5585 | unsigned long pio, pio_len, pio_flags; |
5586 | unsigned long mmio, mmio_len, mmio_flags; |
5587 | |
5588 | pio = pci_resource_start(ha->pdev, 0); |
5589 | pio_len = pci_resource_len(ha->pdev, 0); |
5590 | pio_flags = pci_resource_flags(ha->pdev, 0); |
5591 | if (pio_flags & IORESOURCE_IO) { |
5592 | if (pio_len < MIN_IOBASE_LEN) { |
5593 | ql4_printk(KERN_WARNING, ha, |
5594 | "Invalid PCI I/O region size\n" ); |
5595 | pio = 0; |
5596 | } |
5597 | } else { |
5598 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n" ); |
5599 | pio = 0; |
5600 | } |
5601 | |
5602 | /* Use MMIO operations for all accesses. */ |
5603 | mmio = pci_resource_start(ha->pdev, 1); |
5604 | mmio_len = pci_resource_len(ha->pdev, 1); |
5605 | mmio_flags = pci_resource_flags(ha->pdev, 1); |
5606 | |
5607 | if (!(mmio_flags & IORESOURCE_MEM)) { |
5608 | ql4_printk(KERN_ERR, ha, |
5609 | "region #0 not an MMIO resource, aborting\n" ); |
5610 | |
5611 | goto iospace_error_exit; |
5612 | } |
5613 | |
5614 | if (mmio_len < MIN_IOBASE_LEN) { |
5615 | ql4_printk(KERN_ERR, ha, |
5616 | "Invalid PCI mem region size, aborting\n" ); |
5617 | goto iospace_error_exit; |
5618 | } |
5619 | |
5620 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { |
5621 | ql4_printk(KERN_WARNING, ha, |
5622 | "Failed to reserve PIO/MMIO regions\n" ); |
5623 | |
5624 | goto iospace_error_exit; |
5625 | } |
5626 | |
5627 | ha->pio_address = pio; |
5628 | ha->pio_length = pio_len; |
5629 | ha->reg = ioremap(offset: mmio, MIN_IOBASE_LEN); |
5630 | if (!ha->reg) { |
5631 | ql4_printk(KERN_ERR, ha, |
5632 | "cannot remap MMIO, aborting\n" ); |
5633 | |
5634 | goto iospace_error_exit; |
5635 | } |
5636 | |
5637 | return 0; |
5638 | |
5639 | iospace_error_exit: |
5640 | return -ENOMEM; |
5641 | } |
5642 | |
5643 | static struct isp_operations qla4xxx_isp_ops = { |
5644 | .iospace_config = qla4xxx_iospace_config, |
5645 | .pci_config = qla4xxx_pci_config, |
5646 | .disable_intrs = qla4xxx_disable_intrs, |
5647 | .enable_intrs = qla4xxx_enable_intrs, |
5648 | .start_firmware = qla4xxx_start_firmware, |
5649 | .intr_handler = qla4xxx_intr_handler, |
5650 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, |
5651 | .reset_chip = qla4xxx_soft_reset, |
5652 | .reset_firmware = qla4xxx_hw_reset, |
5653 | .queue_iocb = qla4xxx_queue_iocb, |
5654 | .complete_iocb = qla4xxx_complete_iocb, |
5655 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
5656 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
5657 | .get_sys_info = qla4xxx_get_sys_info, |
5658 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
5659 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, |
5660 | }; |
5661 | |
5662 | static struct isp_operations qla4_82xx_isp_ops = { |
5663 | .iospace_config = qla4_8xxx_iospace_config, |
5664 | .pci_config = qla4_8xxx_pci_config, |
5665 | .disable_intrs = qla4_82xx_disable_intrs, |
5666 | .enable_intrs = qla4_82xx_enable_intrs, |
5667 | .start_firmware = qla4_8xxx_load_risc, |
5668 | .restart_firmware = qla4_82xx_try_start_fw, |
5669 | .intr_handler = qla4_82xx_intr_handler, |
5670 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, |
5671 | .need_reset = qla4_8xxx_need_reset, |
5672 | .reset_chip = qla4_82xx_isp_reset, |
5673 | .reset_firmware = qla4_8xxx_stop_firmware, |
5674 | .queue_iocb = qla4_82xx_queue_iocb, |
5675 | .complete_iocb = qla4_82xx_complete_iocb, |
5676 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, |
5677 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, |
5678 | .get_sys_info = qla4_8xxx_get_sys_info, |
5679 | .rd_reg_direct = qla4_82xx_rd_32, |
5680 | .wr_reg_direct = qla4_82xx_wr_32, |
5681 | .rd_reg_indirect = qla4_82xx_md_rd_32, |
5682 | .wr_reg_indirect = qla4_82xx_md_wr_32, |
5683 | .idc_lock = qla4_82xx_idc_lock, |
5684 | .idc_unlock = qla4_82xx_idc_unlock, |
5685 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, |
5686 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, |
5687 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, |
5688 | }; |
5689 | |
5690 | static struct isp_operations qla4_83xx_isp_ops = { |
5691 | .iospace_config = qla4_8xxx_iospace_config, |
5692 | .pci_config = qla4_8xxx_pci_config, |
5693 | .disable_intrs = qla4_83xx_disable_intrs, |
5694 | .enable_intrs = qla4_83xx_enable_intrs, |
5695 | .start_firmware = qla4_8xxx_load_risc, |
5696 | .restart_firmware = qla4_83xx_start_firmware, |
5697 | .intr_handler = qla4_83xx_intr_handler, |
5698 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, |
5699 | .need_reset = qla4_8xxx_need_reset, |
5700 | .reset_chip = qla4_83xx_isp_reset, |
5701 | .reset_firmware = qla4_8xxx_stop_firmware, |
5702 | .queue_iocb = qla4_83xx_queue_iocb, |
5703 | .complete_iocb = qla4_83xx_complete_iocb, |
5704 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
5705 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
5706 | .get_sys_info = qla4_8xxx_get_sys_info, |
5707 | .rd_reg_direct = qla4_83xx_rd_reg, |
5708 | .wr_reg_direct = qla4_83xx_wr_reg, |
5709 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, |
5710 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, |
5711 | .idc_lock = qla4_83xx_drv_lock, |
5712 | .idc_unlock = qla4_83xx_drv_unlock, |
5713 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, |
5714 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, |
5715 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, |
5716 | }; |
5717 | |
5718 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
5719 | { |
5720 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); |
5721 | } |
5722 | |
5723 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
5724 | { |
5725 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
5726 | } |
5727 | |
5728 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
5729 | { |
5730 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); |
5731 | } |
5732 | |
5733 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
5734 | { |
5735 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
5736 | } |
5737 | |
5738 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
5739 | { |
5740 | struct scsi_qla_host *ha = data; |
5741 | char *str = buf; |
5742 | int rc; |
5743 | |
5744 | switch (type) { |
5745 | case ISCSI_BOOT_ETH_FLAGS: |
5746 | rc = sprintf(buf: str, fmt: "%d\n" , (char)SYSFS_FLAG_FW_SEL_BOOT); |
5747 | break; |
5748 | case ISCSI_BOOT_ETH_INDEX: |
5749 | rc = sprintf(buf: str, fmt: "0\n" ); |
5750 | break; |
5751 | case ISCSI_BOOT_ETH_MAC: |
5752 | rc = sysfs_format_mac(buf: str, addr: ha->my_mac, |
5753 | MAC_ADDR_LEN); |
5754 | break; |
5755 | default: |
5756 | rc = -ENOSYS; |
5757 | break; |
5758 | } |
5759 | return rc; |
5760 | } |
5761 | |
5762 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
5763 | { |
5764 | int rc; |
5765 | |
5766 | switch (type) { |
5767 | case ISCSI_BOOT_ETH_FLAGS: |
5768 | case ISCSI_BOOT_ETH_MAC: |
5769 | case ISCSI_BOOT_ETH_INDEX: |
5770 | rc = S_IRUGO; |
5771 | break; |
5772 | default: |
5773 | rc = 0; |
5774 | break; |
5775 | } |
5776 | return rc; |
5777 | } |
5778 | |
5779 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) |
5780 | { |
5781 | struct scsi_qla_host *ha = data; |
5782 | char *str = buf; |
5783 | int rc; |
5784 | |
5785 | switch (type) { |
5786 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
5787 | rc = sprintf(buf: str, fmt: "%s\n" , ha->name_string); |
5788 | break; |
5789 | default: |
5790 | rc = -ENOSYS; |
5791 | break; |
5792 | } |
5793 | return rc; |
5794 | } |
5795 | |
5796 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
5797 | { |
5798 | int rc; |
5799 | |
5800 | switch (type) { |
5801 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
5802 | rc = S_IRUGO; |
5803 | break; |
5804 | default: |
5805 | rc = 0; |
5806 | break; |
5807 | } |
5808 | return rc; |
5809 | } |
5810 | |
5811 | static ssize_t |
5812 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, |
5813 | char *buf) |
5814 | { |
5815 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
5816 | char *str = buf; |
5817 | int rc; |
5818 | |
5819 | switch (type) { |
5820 | case ISCSI_BOOT_TGT_NAME: |
5821 | rc = sprintf(buf, fmt: "%s\n" , (char *)&boot_sess->target_name); |
5822 | break; |
5823 | case ISCSI_BOOT_TGT_IP_ADDR: |
5824 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) |
5825 | rc = sprintf(buf, fmt: "%pI4\n" , |
5826 | &boot_conn->dest_ipaddr.ip_address); |
5827 | else |
5828 | rc = sprintf(buf: str, fmt: "%pI6\n" , |
5829 | &boot_conn->dest_ipaddr.ip_address); |
5830 | break; |
5831 | case ISCSI_BOOT_TGT_PORT: |
5832 | rc = sprintf(buf: str, fmt: "%d\n" , boot_conn->dest_port); |
5833 | break; |
5834 | case ISCSI_BOOT_TGT_CHAP_NAME: |
5835 | rc = sprintf(buf: str, fmt: "%.*s\n" , |
5836 | boot_conn->chap.target_chap_name_length, |
5837 | (char *)&boot_conn->chap.target_chap_name); |
5838 | break; |
5839 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
5840 | rc = sprintf(buf: str, fmt: "%.*s\n" , |
5841 | boot_conn->chap.target_secret_length, |
5842 | (char *)&boot_conn->chap.target_secret); |
5843 | break; |
5844 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
5845 | rc = sprintf(buf: str, fmt: "%.*s\n" , |
5846 | boot_conn->chap.intr_chap_name_length, |
5847 | (char *)&boot_conn->chap.intr_chap_name); |
5848 | break; |
5849 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
5850 | rc = sprintf(buf: str, fmt: "%.*s\n" , |
5851 | boot_conn->chap.intr_secret_length, |
5852 | (char *)&boot_conn->chap.intr_secret); |
5853 | break; |
5854 | case ISCSI_BOOT_TGT_FLAGS: |
5855 | rc = sprintf(buf: str, fmt: "%d\n" , (char)SYSFS_FLAG_FW_SEL_BOOT); |
5856 | break; |
5857 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
5858 | rc = sprintf(buf: str, fmt: "0\n" ); |
5859 | break; |
5860 | default: |
5861 | rc = -ENOSYS; |
5862 | break; |
5863 | } |
5864 | return rc; |
5865 | } |
5866 | |
5867 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) |
5868 | { |
5869 | struct scsi_qla_host *ha = data; |
5870 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); |
5871 | |
5872 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
5873 | } |
5874 | |
5875 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) |
5876 | { |
5877 | struct scsi_qla_host *ha = data; |
5878 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); |
5879 | |
5880 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
5881 | } |
5882 | |
5883 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
5884 | { |
5885 | int rc; |
5886 | |
5887 | switch (type) { |
5888 | case ISCSI_BOOT_TGT_NAME: |
5889 | case ISCSI_BOOT_TGT_IP_ADDR: |
5890 | case ISCSI_BOOT_TGT_PORT: |
5891 | case ISCSI_BOOT_TGT_CHAP_NAME: |
5892 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
5893 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
5894 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
5895 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
5896 | case ISCSI_BOOT_TGT_FLAGS: |
5897 | rc = S_IRUGO; |
5898 | break; |
5899 | default: |
5900 | rc = 0; |
5901 | break; |
5902 | } |
5903 | return rc; |
5904 | } |
5905 | |
5906 | static void qla4xxx_boot_release(void *data) |
5907 | { |
5908 | struct scsi_qla_host *ha = data; |
5909 | |
5910 | scsi_host_put(t: ha->host); |
5911 | } |
5912 | |
5913 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) |
5914 | { |
5915 | dma_addr_t buf_dma; |
5916 | uint32_t addr, pri_addr, sec_addr; |
5917 | uint32_t offset; |
5918 | uint16_t func_num; |
5919 | uint8_t val; |
5920 | uint8_t *buf = NULL; |
5921 | size_t size = 13 * sizeof(uint8_t); |
5922 | int ret = QLA_SUCCESS; |
5923 | |
5924 | func_num = PCI_FUNC(ha->pdev->devfn); |
5925 | |
5926 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n" , |
5927 | __func__, ha->pdev->device, func_num); |
5928 | |
5929 | if (is_qla40XX(ha)) { |
5930 | if (func_num == 1) { |
5931 | addr = NVRAM_PORT0_BOOT_MODE; |
5932 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; |
5933 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; |
5934 | } else if (func_num == 3) { |
5935 | addr = NVRAM_PORT1_BOOT_MODE; |
5936 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; |
5937 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; |
5938 | } else { |
5939 | ret = QLA_ERROR; |
5940 | goto exit_boot_info; |
5941 | } |
5942 | |
5943 | /* Check Boot Mode */ |
5944 | val = rd_nvram_byte(ha, offset: addr); |
5945 | if (!(val & 0x07)) { |
5946 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
5947 | "options : 0x%x\n" , __func__, val)); |
5948 | ret = QLA_ERROR; |
5949 | goto exit_boot_info; |
5950 | } |
5951 | |
5952 | /* get primary valid target index */ |
5953 | val = rd_nvram_byte(ha, offset: pri_addr); |
5954 | if (val & BIT_7) |
5955 | ddb_index[0] = (val & 0x7f); |
5956 | |
5957 | /* get secondary valid target index */ |
5958 | val = rd_nvram_byte(ha, offset: sec_addr); |
5959 | if (val & BIT_7) |
5960 | ddb_index[1] = (val & 0x7f); |
5961 | goto exit_boot_info; |
5962 | } else if (is_qla80XX(ha)) { |
5963 | buf = dma_alloc_coherent(dev: &ha->pdev->dev, size, |
5964 | dma_handle: &buf_dma, GFP_KERNEL); |
5965 | if (!buf) { |
5966 | DEBUG2(ql4_printk(KERN_ERR, ha, |
5967 | "%s: Unable to allocate dma buffer\n" , |
5968 | __func__)); |
5969 | ret = QLA_ERROR; |
5970 | goto exit_boot_info; |
5971 | } |
5972 | |
5973 | if (ha->port_num == 0) |
5974 | offset = BOOT_PARAM_OFFSET_PORT0; |
5975 | else if (ha->port_num == 1) |
5976 | offset = BOOT_PARAM_OFFSET_PORT1; |
5977 | else { |
5978 | ret = QLA_ERROR; |
5979 | goto exit_boot_info_free; |
5980 | } |
5981 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + |
5982 | offset; |
5983 | if (qla4xxx_get_flash(ha, dma_addr: buf_dma, offset: addr, |
5984 | len: 13 * sizeof(uint8_t)) != QLA_SUCCESS) { |
5985 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" |
5986 | " failed\n" , ha->host_no, __func__)); |
5987 | ret = QLA_ERROR; |
5988 | goto exit_boot_info_free; |
5989 | } |
5990 | /* Check Boot Mode */ |
5991 | if (!(buf[1] & 0x07)) { |
5992 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
5993 | " : 0x%x\n" , buf[1])); |
5994 | ret = QLA_ERROR; |
5995 | goto exit_boot_info_free; |
5996 | } |
5997 | |
5998 | /* get primary valid target index */ |
5999 | if (buf[2] & BIT_7) |
6000 | ddb_index[0] = buf[2] & 0x7f; |
6001 | |
6002 | /* get secondary valid target index */ |
6003 | if (buf[11] & BIT_7) |
6004 | ddb_index[1] = buf[11] & 0x7f; |
6005 | } else { |
6006 | ret = QLA_ERROR; |
6007 | goto exit_boot_info; |
6008 | } |
6009 | |
6010 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" |
6011 | " target ID %d\n" , __func__, ddb_index[0], |
6012 | ddb_index[1])); |
6013 | |
6014 | exit_boot_info_free: |
6015 | dma_free_coherent(dev: &ha->pdev->dev, size, cpu_addr: buf, dma_handle: buf_dma); |
6016 | exit_boot_info: |
6017 | ha->pri_ddb_idx = ddb_index[0]; |
6018 | ha->sec_ddb_idx = ddb_index[1]; |
6019 | return ret; |
6020 | } |
6021 | |
6022 | /** |
6023 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password |
6024 | * @ha: pointer to adapter structure |
6025 | * @username: CHAP username to be returned |
6026 | * @password: CHAP password to be returned |
6027 | * |
6028 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP |
6029 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. |
6030 | * So from the CHAP cache find the first BIDI CHAP entry and set it |
6031 | * to the boot record in sysfs. |
6032 | **/ |
6033 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, |
6034 | char *password) |
6035 | { |
6036 | int i, ret = -EINVAL; |
6037 | int max_chap_entries = 0; |
6038 | struct ql4_chap_table *chap_table; |
6039 | |
6040 | if (is_qla80XX(ha)) |
6041 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
6042 | sizeof(struct ql4_chap_table); |
6043 | else |
6044 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
6045 | |
6046 | if (!ha->chap_list) { |
6047 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n" ); |
6048 | return ret; |
6049 | } |
6050 | |
6051 | mutex_lock(&ha->chap_sem); |
6052 | for (i = 0; i < max_chap_entries; i++) { |
6053 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
6054 | if (chap_table->cookie != |
6055 | cpu_to_le16(CHAP_VALID_COOKIE)) { |
6056 | continue; |
6057 | } |
6058 | |
6059 | if (chap_table->flags & BIT_7) /* local */ |
6060 | continue; |
6061 | |
6062 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ |
6063 | continue; |
6064 | |
6065 | strscpy(p: password, q: chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); |
6066 | strscpy(p: username, q: chap_table->name, QL4_CHAP_MAX_NAME_LEN); |
6067 | ret = 0; |
6068 | break; |
6069 | } |
6070 | mutex_unlock(lock: &ha->chap_sem); |
6071 | |
6072 | return ret; |
6073 | } |
6074 | |
6075 | |
6076 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
6077 | struct ql4_boot_session_info *boot_sess, |
6078 | uint16_t ddb_index) |
6079 | { |
6080 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
6081 | struct dev_db_entry *fw_ddb_entry; |
6082 | dma_addr_t fw_ddb_entry_dma; |
6083 | uint16_t idx; |
6084 | uint16_t options; |
6085 | int ret = QLA_SUCCESS; |
6086 | |
6087 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
6088 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
6089 | if (!fw_ddb_entry) { |
6090 | DEBUG2(ql4_printk(KERN_ERR, ha, |
6091 | "%s: Unable to allocate dma buffer.\n" , |
6092 | __func__)); |
6093 | ret = QLA_ERROR; |
6094 | return ret; |
6095 | } |
6096 | |
6097 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, |
6098 | fw_ddb_entry_dma, ddb_index)) { |
6099 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
6100 | "index [%d]\n" , __func__, ddb_index)); |
6101 | ret = QLA_ERROR; |
6102 | goto exit_boot_target; |
6103 | } |
6104 | |
6105 | /* Update target name and IP from DDB */ |
6106 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, |
6107 | min(sizeof(boot_sess->target_name), |
6108 | sizeof(fw_ddb_entry->iscsi_name))); |
6109 | |
6110 | options = le16_to_cpu(fw_ddb_entry->options); |
6111 | if (options & DDB_OPT_IPV6_DEVICE) { |
6112 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
6113 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); |
6114 | } else { |
6115 | boot_conn->dest_ipaddr.ip_type = 0x1; |
6116 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
6117 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); |
6118 | } |
6119 | |
6120 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); |
6121 | |
6122 | /* update chap information */ |
6123 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
6124 | |
6125 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
6126 | |
6127 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n" )); |
6128 | |
6129 | ret = qla4xxx_get_chap(ha, username: (char *)&boot_conn->chap. |
6130 | target_chap_name, |
6131 | password: (char *)&boot_conn->chap.target_secret, |
6132 | idx); |
6133 | if (ret) { |
6134 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n" ); |
6135 | ret = QLA_ERROR; |
6136 | goto exit_boot_target; |
6137 | } |
6138 | |
6139 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
6140 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
6141 | } |
6142 | |
6143 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
6144 | |
6145 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n" )); |
6146 | |
6147 | ret = qla4xxx_get_bidi_chap(ha, |
6148 | username: (char *)&boot_conn->chap.intr_chap_name, |
6149 | password: (char *)&boot_conn->chap.intr_secret); |
6150 | |
6151 | if (ret) { |
6152 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n" ); |
6153 | ret = QLA_ERROR; |
6154 | goto exit_boot_target; |
6155 | } |
6156 | |
6157 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
6158 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
6159 | } |
6160 | |
6161 | exit_boot_target: |
6162 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
6163 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
6164 | return ret; |
6165 | } |
6166 | |
6167 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) |
6168 | { |
6169 | uint16_t ddb_index[2]; |
6170 | int ret = QLA_ERROR; |
6171 | int rval; |
6172 | |
6173 | memset(ddb_index, 0, sizeof(ddb_index)); |
6174 | ddb_index[0] = 0xffff; |
6175 | ddb_index[1] = 0xffff; |
6176 | ret = get_fw_boot_info(ha, ddb_index); |
6177 | if (ret != QLA_SUCCESS) { |
6178 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6179 | "%s: No boot target configured.\n" , __func__)); |
6180 | return ret; |
6181 | } |
6182 | |
6183 | if (ql4xdisablesysfsboot) |
6184 | return QLA_SUCCESS; |
6185 | |
6186 | if (ddb_index[0] == 0xffff) |
6187 | goto sec_target; |
6188 | |
6189 | rval = qla4xxx_get_boot_target(ha, boot_sess: &(ha->boot_tgt.boot_pri_sess), |
6190 | ddb_index: ddb_index[0]); |
6191 | if (rval != QLA_SUCCESS) { |
6192 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
6193 | "configured\n" , __func__)); |
6194 | } else |
6195 | ret = QLA_SUCCESS; |
6196 | |
6197 | sec_target: |
6198 | if (ddb_index[1] == 0xffff) |
6199 | goto exit_get_boot_info; |
6200 | |
6201 | rval = qla4xxx_get_boot_target(ha, boot_sess: &(ha->boot_tgt.boot_sec_sess), |
6202 | ddb_index: ddb_index[1]); |
6203 | if (rval != QLA_SUCCESS) { |
6204 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
6205 | " configured\n" , __func__)); |
6206 | } else |
6207 | ret = QLA_SUCCESS; |
6208 | |
6209 | exit_get_boot_info: |
6210 | return ret; |
6211 | } |
6212 | |
6213 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) |
6214 | { |
6215 | struct iscsi_boot_kobj *boot_kobj; |
6216 | |
6217 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) |
6218 | return QLA_ERROR; |
6219 | |
6220 | if (ql4xdisablesysfsboot) { |
6221 | ql4_printk(KERN_INFO, ha, |
6222 | "%s: syfsboot disabled - driver will trigger login " |
6223 | "and publish session for discovery .\n" , __func__); |
6224 | return QLA_SUCCESS; |
6225 | } |
6226 | |
6227 | |
6228 | ha->boot_kset = iscsi_boot_create_host_kset(hostno: ha->host->host_no); |
6229 | if (!ha->boot_kset) |
6230 | goto kset_free; |
6231 | |
6232 | if (!scsi_host_get(ha->host)) |
6233 | goto kset_free; |
6234 | boot_kobj = iscsi_boot_create_target(boot_kset: ha->boot_kset, index: 0, data: ha, |
6235 | show: qla4xxx_show_boot_tgt_pri_info, |
6236 | is_visible: qla4xxx_tgt_get_attr_visibility, |
6237 | release: qla4xxx_boot_release); |
6238 | if (!boot_kobj) |
6239 | goto put_host; |
6240 | |
6241 | if (!scsi_host_get(ha->host)) |
6242 | goto kset_free; |
6243 | boot_kobj = iscsi_boot_create_target(boot_kset: ha->boot_kset, index: 1, data: ha, |
6244 | show: qla4xxx_show_boot_tgt_sec_info, |
6245 | is_visible: qla4xxx_tgt_get_attr_visibility, |
6246 | release: qla4xxx_boot_release); |
6247 | if (!boot_kobj) |
6248 | goto put_host; |
6249 | |
6250 | if (!scsi_host_get(ha->host)) |
6251 | goto kset_free; |
6252 | boot_kobj = iscsi_boot_create_initiator(boot_kset: ha->boot_kset, index: 0, data: ha, |
6253 | show: qla4xxx_show_boot_ini_info, |
6254 | is_visible: qla4xxx_ini_get_attr_visibility, |
6255 | release: qla4xxx_boot_release); |
6256 | if (!boot_kobj) |
6257 | goto put_host; |
6258 | |
6259 | if (!scsi_host_get(ha->host)) |
6260 | goto kset_free; |
6261 | boot_kobj = iscsi_boot_create_ethernet(boot_kset: ha->boot_kset, index: 0, data: ha, |
6262 | show: qla4xxx_show_boot_eth_info, |
6263 | is_visible: qla4xxx_eth_get_attr_visibility, |
6264 | release: qla4xxx_boot_release); |
6265 | if (!boot_kobj) |
6266 | goto put_host; |
6267 | |
6268 | return QLA_SUCCESS; |
6269 | |
6270 | put_host: |
6271 | scsi_host_put(t: ha->host); |
6272 | kset_free: |
6273 | iscsi_boot_destroy_kset(boot_kset: ha->boot_kset); |
6274 | return -ENOMEM; |
6275 | } |
6276 | |
6277 | |
6278 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
6279 | struct ql4_tuple_ddb *tddb) |
6280 | { |
6281 | struct iscsi_cls_session *cls_sess; |
6282 | struct iscsi_cls_conn *cls_conn; |
6283 | struct iscsi_session *sess; |
6284 | struct iscsi_conn *conn; |
6285 | |
6286 | DEBUG2(printk(KERN_INFO "Func: %s\n" , __func__)); |
6287 | cls_sess = ddb_entry->sess; |
6288 | sess = cls_sess->dd_data; |
6289 | cls_conn = ddb_entry->conn; |
6290 | conn = cls_conn->dd_data; |
6291 | |
6292 | tddb->tpgt = sess->tpgt; |
6293 | tddb->port = conn->persistent_port; |
6294 | strscpy(p: tddb->iscsi_name, q: sess->targetname, ISCSI_NAME_SIZE); |
6295 | strscpy(p: tddb->ip_addr, q: conn->persistent_address, DDB_IPADDR_LEN); |
6296 | } |
6297 | |
6298 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, |
6299 | struct ql4_tuple_ddb *tddb, |
6300 | uint8_t *flash_isid) |
6301 | { |
6302 | uint16_t options = 0; |
6303 | |
6304 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
6305 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], |
6306 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); |
6307 | |
6308 | options = le16_to_cpu(fw_ddb_entry->options); |
6309 | if (options & DDB_OPT_IPV6_DEVICE) |
6310 | sprintf(buf: tddb->ip_addr, fmt: "%pI6" , fw_ddb_entry->ip_addr); |
6311 | else |
6312 | sprintf(buf: tddb->ip_addr, fmt: "%pI4" , fw_ddb_entry->ip_addr); |
6313 | |
6314 | tddb->port = le16_to_cpu(fw_ddb_entry->port); |
6315 | |
6316 | if (flash_isid == NULL) |
6317 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], |
6318 | sizeof(tddb->isid)); |
6319 | else |
6320 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); |
6321 | } |
6322 | |
6323 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, |
6324 | struct ql4_tuple_ddb *old_tddb, |
6325 | struct ql4_tuple_ddb *new_tddb, |
6326 | uint8_t is_isid_compare) |
6327 | { |
6328 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
6329 | return QLA_ERROR; |
6330 | |
6331 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) |
6332 | return QLA_ERROR; |
6333 | |
6334 | if (old_tddb->port != new_tddb->port) |
6335 | return QLA_ERROR; |
6336 | |
6337 | /* For multi sessions, driver generates the ISID, so do not compare |
6338 | * ISID in reset path since it would be a comparison between the |
6339 | * driver generated ISID and firmware generated ISID. This could |
6340 | * lead to adding duplicated DDBs in the list as driver generated |
6341 | * ISID would not match firmware generated ISID. |
6342 | */ |
6343 | if (is_isid_compare) { |
6344 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6345 | "%s: old ISID [%pmR] New ISID [%pmR]\n" , |
6346 | __func__, old_tddb->isid, new_tddb->isid)); |
6347 | |
6348 | if (memcmp(p: &old_tddb->isid[0], q: &new_tddb->isid[0], |
6349 | size: sizeof(old_tddb->isid))) |
6350 | return QLA_ERROR; |
6351 | } |
6352 | |
6353 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6354 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]" , |
6355 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, |
6356 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, |
6357 | new_tddb->ip_addr, new_tddb->iscsi_name)); |
6358 | |
6359 | return QLA_SUCCESS; |
6360 | } |
6361 | |
6362 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, |
6363 | struct dev_db_entry *fw_ddb_entry, |
6364 | uint32_t *index) |
6365 | { |
6366 | struct ddb_entry *ddb_entry; |
6367 | struct ql4_tuple_ddb *fw_tddb = NULL; |
6368 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
6369 | int idx; |
6370 | int ret = QLA_ERROR; |
6371 | |
6372 | fw_tddb = vzalloc(size: sizeof(*fw_tddb)); |
6373 | if (!fw_tddb) { |
6374 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
6375 | "Memory Allocation failed.\n" )); |
6376 | ret = QLA_SUCCESS; |
6377 | goto exit_check; |
6378 | } |
6379 | |
6380 | tmp_tddb = vzalloc(size: sizeof(*tmp_tddb)); |
6381 | if (!tmp_tddb) { |
6382 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
6383 | "Memory Allocation failed.\n" )); |
6384 | ret = QLA_SUCCESS; |
6385 | goto exit_check; |
6386 | } |
6387 | |
6388 | qla4xxx_convert_param_ddb(fw_ddb_entry, tddb: fw_tddb, NULL); |
6389 | |
6390 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
6391 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index: idx); |
6392 | if (ddb_entry == NULL) |
6393 | continue; |
6394 | |
6395 | qla4xxx_get_param_ddb(ddb_entry, tddb: tmp_tddb); |
6396 | if (!qla4xxx_compare_tuple_ddb(ha, old_tddb: fw_tddb, new_tddb: tmp_tddb, is_isid_compare: false)) { |
6397 | ret = QLA_SUCCESS; /* found */ |
6398 | if (index != NULL) |
6399 | *index = idx; |
6400 | goto exit_check; |
6401 | } |
6402 | } |
6403 | |
6404 | exit_check: |
6405 | vfree(addr: fw_tddb); |
6406 | vfree(addr: tmp_tddb); |
6407 | return ret; |
6408 | } |
6409 | |
6410 | /** |
6411 | * qla4xxx_check_existing_isid - check if target with same isid exist |
6412 | * in target list |
6413 | * @list_nt: list of target |
6414 | * @isid: isid to check |
6415 | * |
6416 | * This routine return QLA_SUCCESS if target with same isid exist |
6417 | **/ |
6418 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) |
6419 | { |
6420 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
6421 | struct dev_db_entry *fw_ddb_entry; |
6422 | |
6423 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
6424 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; |
6425 | |
6426 | if (memcmp(p: &fw_ddb_entry->isid[0], q: &isid[0], |
6427 | size: sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { |
6428 | return QLA_SUCCESS; |
6429 | } |
6430 | } |
6431 | return QLA_ERROR; |
6432 | } |
6433 | |
6434 | /** |
6435 | * qla4xxx_update_isid - compare ddbs and updated isid |
6436 | * @ha: Pointer to host adapter structure. |
6437 | * @list_nt: list of nt target |
6438 | * @fw_ddb_entry: firmware ddb entry |
6439 | * |
6440 | * This routine update isid if ddbs have same iqn, same isid and |
6441 | * different IP addr. |
6442 | * Return QLA_SUCCESS if isid is updated. |
6443 | **/ |
6444 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, |
6445 | struct list_head *list_nt, |
6446 | struct dev_db_entry *fw_ddb_entry) |
6447 | { |
6448 | uint8_t base_value, i; |
6449 | |
6450 | base_value = fw_ddb_entry->isid[1] & 0x1f; |
6451 | for (i = 0; i < 8; i++) { |
6452 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); |
6453 | if (qla4xxx_check_existing_isid(list_nt, isid: fw_ddb_entry->isid)) |
6454 | break; |
6455 | } |
6456 | |
6457 | if (!qla4xxx_check_existing_isid(list_nt, isid: fw_ddb_entry->isid)) |
6458 | return QLA_ERROR; |
6459 | |
6460 | return QLA_SUCCESS; |
6461 | } |
6462 | |
6463 | /** |
6464 | * qla4xxx_should_update_isid - check if isid need to update |
6465 | * @ha: Pointer to host adapter structure. |
6466 | * @old_tddb: ddb tuple |
6467 | * @new_tddb: ddb tuple |
6468 | * |
6469 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, |
6470 | * same isid |
6471 | **/ |
6472 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, |
6473 | struct ql4_tuple_ddb *old_tddb, |
6474 | struct ql4_tuple_ddb *new_tddb) |
6475 | { |
6476 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { |
6477 | /* Same ip */ |
6478 | if (old_tddb->port == new_tddb->port) |
6479 | return QLA_ERROR; |
6480 | } |
6481 | |
6482 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
6483 | /* different iqn */ |
6484 | return QLA_ERROR; |
6485 | |
6486 | if (memcmp(p: &old_tddb->isid[0], q: &new_tddb->isid[0], |
6487 | size: sizeof(old_tddb->isid))) |
6488 | /* different isid */ |
6489 | return QLA_ERROR; |
6490 | |
6491 | return QLA_SUCCESS; |
6492 | } |
6493 | |
6494 | /** |
6495 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt |
6496 | * @ha: Pointer to host adapter structure. |
6497 | * @list_nt: list of nt target. |
6498 | * @fw_ddb_entry: firmware ddb entry. |
6499 | * |
6500 | * This routine check if fw_ddb_entry already exists in list_nt to avoid |
6501 | * duplicate ddb in list_nt. |
6502 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. |
6503 | * Note: This function also update isid of DDB if required. |
6504 | **/ |
6505 | |
6506 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
6507 | struct list_head *list_nt, |
6508 | struct dev_db_entry *fw_ddb_entry) |
6509 | { |
6510 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
6511 | struct ql4_tuple_ddb *fw_tddb = NULL; |
6512 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
6513 | int rval, ret = QLA_ERROR; |
6514 | |
6515 | fw_tddb = vzalloc(size: sizeof(*fw_tddb)); |
6516 | if (!fw_tddb) { |
6517 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
6518 | "Memory Allocation failed.\n" )); |
6519 | ret = QLA_SUCCESS; |
6520 | goto exit_check; |
6521 | } |
6522 | |
6523 | tmp_tddb = vzalloc(size: sizeof(*tmp_tddb)); |
6524 | if (!tmp_tddb) { |
6525 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
6526 | "Memory Allocation failed.\n" )); |
6527 | ret = QLA_SUCCESS; |
6528 | goto exit_check; |
6529 | } |
6530 | |
6531 | qla4xxx_convert_param_ddb(fw_ddb_entry, tddb: fw_tddb, NULL); |
6532 | |
6533 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
6534 | qla4xxx_convert_param_ddb(fw_ddb_entry: &nt_ddb_idx->fw_ddb, tddb: tmp_tddb, |
6535 | flash_isid: nt_ddb_idx->flash_isid); |
6536 | ret = qla4xxx_compare_tuple_ddb(ha, old_tddb: fw_tddb, new_tddb: tmp_tddb, is_isid_compare: true); |
6537 | /* found duplicate ddb */ |
6538 | if (ret == QLA_SUCCESS) |
6539 | goto exit_check; |
6540 | } |
6541 | |
6542 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
6543 | qla4xxx_convert_param_ddb(fw_ddb_entry: &nt_ddb_idx->fw_ddb, tddb: tmp_tddb, NULL); |
6544 | |
6545 | ret = qla4xxx_should_update_isid(ha, old_tddb: tmp_tddb, new_tddb: fw_tddb); |
6546 | if (ret == QLA_SUCCESS) { |
6547 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); |
6548 | if (rval == QLA_SUCCESS) |
6549 | ret = QLA_ERROR; |
6550 | else |
6551 | ret = QLA_SUCCESS; |
6552 | |
6553 | goto exit_check; |
6554 | } |
6555 | } |
6556 | |
6557 | exit_check: |
6558 | vfree(addr: fw_tddb); |
6559 | vfree(addr: tmp_tddb); |
6560 | return ret; |
6561 | } |
6562 | |
6563 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
6564 | { |
6565 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
6566 | |
6567 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
6568 | list_del_init(entry: &ddb_idx->list); |
6569 | vfree(addr: ddb_idx); |
6570 | } |
6571 | } |
6572 | |
6573 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, |
6574 | struct dev_db_entry *fw_ddb_entry) |
6575 | { |
6576 | struct iscsi_endpoint *ep; |
6577 | struct sockaddr_in *addr; |
6578 | struct sockaddr_in6 *addr6; |
6579 | struct sockaddr *t_addr; |
6580 | struct sockaddr_storage *dst_addr; |
6581 | char *ip; |
6582 | |
6583 | /* TODO: need to destroy on unload iscsi_endpoint*/ |
6584 | dst_addr = vmalloc(size: sizeof(*dst_addr)); |
6585 | if (!dst_addr) |
6586 | return NULL; |
6587 | |
6588 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { |
6589 | t_addr = (struct sockaddr *)dst_addr; |
6590 | t_addr->sa_family = AF_INET6; |
6591 | addr6 = (struct sockaddr_in6 *)dst_addr; |
6592 | ip = (char *)&addr6->sin6_addr; |
6593 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
6594 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
6595 | |
6596 | } else { |
6597 | t_addr = (struct sockaddr *)dst_addr; |
6598 | t_addr->sa_family = AF_INET; |
6599 | addr = (struct sockaddr_in *)dst_addr; |
6600 | ip = (char *)&addr->sin_addr; |
6601 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); |
6602 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
6603 | } |
6604 | |
6605 | ep = qla4xxx_ep_connect(shost: ha->host, dst_addr: (struct sockaddr *)dst_addr, non_blocking: 0); |
6606 | vfree(addr: dst_addr); |
6607 | return ep; |
6608 | } |
6609 | |
6610 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) |
6611 | { |
6612 | if (ql4xdisablesysfsboot) |
6613 | return QLA_SUCCESS; |
6614 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) |
6615 | return QLA_ERROR; |
6616 | return QLA_SUCCESS; |
6617 | } |
6618 | |
6619 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, |
6620 | struct ddb_entry *ddb_entry, |
6621 | uint16_t idx) |
6622 | { |
6623 | uint16_t def_timeout; |
6624 | |
6625 | ddb_entry->ddb_type = FLASH_DDB; |
6626 | ddb_entry->fw_ddb_index = INVALID_ENTRY; |
6627 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
6628 | ddb_entry->ha = ha; |
6629 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; |
6630 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; |
6631 | ddb_entry->chap_tbl_idx = INVALID_ENTRY; |
6632 | |
6633 | atomic_set(v: &ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
6634 | atomic_set(v: &ddb_entry->relogin_timer, i: 0); |
6635 | atomic_set(v: &ddb_entry->relogin_retry_count, i: 0); |
6636 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
6637 | ddb_entry->default_relogin_timeout = |
6638 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
6639 | def_timeout : LOGIN_TOV; |
6640 | ddb_entry->default_time2wait = |
6641 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); |
6642 | |
6643 | if (ql4xdisablesysfsboot && |
6644 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) |
6645 | set_bit(DF_BOOT_TGT, addr: &ddb_entry->flags); |
6646 | } |
6647 | |
6648 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) |
6649 | { |
6650 | uint32_t idx = 0; |
6651 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ |
6652 | uint32_t sts[MBOX_REG_COUNT]; |
6653 | uint32_t ip_state; |
6654 | unsigned long wtime; |
6655 | int ret; |
6656 | |
6657 | wtime = jiffies + (HZ * IP_CONFIG_TOV); |
6658 | do { |
6659 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { |
6660 | if (ip_idx[idx] == -1) |
6661 | continue; |
6662 | |
6663 | ret = qla4xxx_get_ip_state(ha, acb_idx: 0, ip_idx: ip_idx[idx], sts); |
6664 | |
6665 | if (ret == QLA_ERROR) { |
6666 | ip_idx[idx] = -1; |
6667 | continue; |
6668 | } |
6669 | |
6670 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; |
6671 | |
6672 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6673 | "Waiting for IP state for idx = %d, state = 0x%x\n" , |
6674 | ip_idx[idx], ip_state)); |
6675 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || |
6676 | ip_state == IP_ADDRSTATE_INVALID || |
6677 | ip_state == IP_ADDRSTATE_PREFERRED || |
6678 | ip_state == IP_ADDRSTATE_DEPRICATED || |
6679 | ip_state == IP_ADDRSTATE_DISABLING) |
6680 | ip_idx[idx] = -1; |
6681 | } |
6682 | |
6683 | /* Break if all IP states checked */ |
6684 | if ((ip_idx[0] == -1) && |
6685 | (ip_idx[1] == -1) && |
6686 | (ip_idx[2] == -1) && |
6687 | (ip_idx[3] == -1)) |
6688 | break; |
6689 | schedule_timeout_uninterruptible(HZ); |
6690 | } while (time_after(wtime, jiffies)); |
6691 | } |
6692 | |
6693 | static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, |
6694 | struct dev_db_entry *flash_ddb_entry) |
6695 | { |
6696 | uint16_t options = 0; |
6697 | size_t ip_len = IP_ADDR_LEN; |
6698 | |
6699 | options = le16_to_cpu(fw_ddb_entry->options); |
6700 | if (options & DDB_OPT_IPV6_DEVICE) |
6701 | ip_len = IPv6_ADDR_LEN; |
6702 | |
6703 | if (memcmp(p: fw_ddb_entry->ip_addr, q: flash_ddb_entry->ip_addr, size: ip_len)) |
6704 | return QLA_ERROR; |
6705 | |
6706 | if (memcmp(p: &fw_ddb_entry->isid[0], q: &flash_ddb_entry->isid[0], |
6707 | size: sizeof(fw_ddb_entry->isid))) |
6708 | return QLA_ERROR; |
6709 | |
6710 | if (memcmp(p: &fw_ddb_entry->port, q: &flash_ddb_entry->port, |
6711 | size: sizeof(fw_ddb_entry->port))) |
6712 | return QLA_ERROR; |
6713 | |
6714 | return QLA_SUCCESS; |
6715 | } |
6716 | |
6717 | static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, |
6718 | struct dev_db_entry *fw_ddb_entry, |
6719 | uint32_t fw_idx, uint32_t *flash_index) |
6720 | { |
6721 | struct dev_db_entry *flash_ddb_entry; |
6722 | dma_addr_t flash_ddb_entry_dma; |
6723 | uint32_t idx = 0; |
6724 | int max_ddbs; |
6725 | int ret = QLA_ERROR, status; |
6726 | |
6727 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
6728 | MAX_DEV_DB_ENTRIES; |
6729 | |
6730 | flash_ddb_entry = dma_pool_alloc(pool: ha->fw_ddb_dma_pool, GFP_KERNEL, |
6731 | handle: &flash_ddb_entry_dma); |
6732 | if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { |
6733 | ql4_printk(KERN_ERR, ha, "Out of memory\n" ); |
6734 | goto exit_find_st_idx; |
6735 | } |
6736 | |
6737 | status = qla4xxx_flashdb_by_index(ha, fw_ddb_entry: flash_ddb_entry, |
6738 | fw_ddb_entry_dma: flash_ddb_entry_dma, ddb_index: fw_idx); |
6739 | if (status == QLA_SUCCESS) { |
6740 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); |
6741 | if (status == QLA_SUCCESS) { |
6742 | *flash_index = fw_idx; |
6743 | ret = QLA_SUCCESS; |
6744 | goto exit_find_st_idx; |
6745 | } |
6746 | } |
6747 | |
6748 | for (idx = 0; idx < max_ddbs; idx++) { |
6749 | status = qla4xxx_flashdb_by_index(ha, fw_ddb_entry: flash_ddb_entry, |
6750 | fw_ddb_entry_dma: flash_ddb_entry_dma, ddb_index: idx); |
6751 | if (status == QLA_ERROR) |
6752 | continue; |
6753 | |
6754 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); |
6755 | if (status == QLA_SUCCESS) { |
6756 | *flash_index = idx; |
6757 | ret = QLA_SUCCESS; |
6758 | goto exit_find_st_idx; |
6759 | } |
6760 | } |
6761 | |
6762 | if (idx == max_ddbs) |
6763 | ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n" , |
6764 | fw_idx); |
6765 | |
6766 | exit_find_st_idx: |
6767 | if (flash_ddb_entry) |
6768 | dma_pool_free(pool: ha->fw_ddb_dma_pool, vaddr: flash_ddb_entry, |
6769 | addr: flash_ddb_entry_dma); |
6770 | |
6771 | return ret; |
6772 | } |
6773 | |
6774 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
6775 | struct list_head *list_st) |
6776 | { |
6777 | struct qla_ddb_index *st_ddb_idx; |
6778 | int max_ddbs; |
6779 | int fw_idx_size; |
6780 | struct dev_db_entry *fw_ddb_entry; |
6781 | dma_addr_t fw_ddb_dma; |
6782 | int ret; |
6783 | uint32_t idx = 0, next_idx = 0; |
6784 | uint32_t state = 0, conn_err = 0; |
6785 | uint32_t flash_index = -1; |
6786 | uint16_t conn_id = 0; |
6787 | |
6788 | fw_ddb_entry = dma_pool_alloc(pool: ha->fw_ddb_dma_pool, GFP_KERNEL, |
6789 | handle: &fw_ddb_dma); |
6790 | if (fw_ddb_entry == NULL) { |
6791 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n" )); |
6792 | goto exit_st_list; |
6793 | } |
6794 | |
6795 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
6796 | MAX_DEV_DB_ENTRIES; |
6797 | fw_idx_size = sizeof(struct qla_ddb_index); |
6798 | |
6799 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
6800 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: idx, fw_ddb_entry, fw_ddb_entry_dma: fw_ddb_dma, |
6801 | NULL, next_ddb_index: &next_idx, fw_ddb_device_state: &state, |
6802 | conn_err_detail: &conn_err, NULL, connection_id: &conn_id); |
6803 | if (ret == QLA_ERROR) |
6804 | break; |
6805 | |
6806 | /* Ignore DDB if invalid state (unassigned) */ |
6807 | if (state == DDB_DS_UNASSIGNED) |
6808 | goto continue_next_st; |
6809 | |
6810 | /* Check if ST, add to the list_st */ |
6811 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) |
6812 | goto continue_next_st; |
6813 | |
6814 | st_ddb_idx = vzalloc(size: fw_idx_size); |
6815 | if (!st_ddb_idx) |
6816 | break; |
6817 | |
6818 | ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, fw_idx: idx, |
6819 | flash_index: &flash_index); |
6820 | if (ret == QLA_ERROR) { |
6821 | ql4_printk(KERN_ERR, ha, |
6822 | "No flash entry for ST at idx [%d]\n" , idx); |
6823 | st_ddb_idx->flash_ddb_idx = idx; |
6824 | } else { |
6825 | ql4_printk(KERN_INFO, ha, |
6826 | "ST at idx [%d] is stored at flash [%d]\n" , |
6827 | idx, flash_index); |
6828 | st_ddb_idx->flash_ddb_idx = flash_index; |
6829 | } |
6830 | |
6831 | st_ddb_idx->fw_ddb_idx = idx; |
6832 | |
6833 | list_add_tail(new: &st_ddb_idx->list, head: list_st); |
6834 | continue_next_st: |
6835 | if (next_idx == 0) |
6836 | break; |
6837 | } |
6838 | |
6839 | exit_st_list: |
6840 | if (fw_ddb_entry) |
6841 | dma_pool_free(pool: ha->fw_ddb_dma_pool, vaddr: fw_ddb_entry, addr: fw_ddb_dma); |
6842 | } |
6843 | |
6844 | /** |
6845 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list |
6846 | * @ha: pointer to adapter structure |
6847 | * @list_ddb: List from which failed ddb to be removed |
6848 | * |
6849 | * Iterate over the list of DDBs and find and remove DDBs that are either in |
6850 | * no connection active state or failed state |
6851 | **/ |
6852 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, |
6853 | struct list_head *list_ddb) |
6854 | { |
6855 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
6856 | uint32_t next_idx = 0; |
6857 | uint32_t state = 0, conn_err = 0; |
6858 | int ret; |
6859 | |
6860 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
6861 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_idx->fw_ddb_idx, |
6862 | NULL, fw_ddb_entry_dma: 0, NULL, next_ddb_index: &next_idx, fw_ddb_device_state: &state, |
6863 | conn_err_detail: &conn_err, NULL, NULL); |
6864 | if (ret == QLA_ERROR) |
6865 | continue; |
6866 | |
6867 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
6868 | state == DDB_DS_SESSION_FAILED) { |
6869 | list_del_init(entry: &ddb_idx->list); |
6870 | vfree(addr: ddb_idx); |
6871 | } |
6872 | } |
6873 | } |
6874 | |
6875 | static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, |
6876 | struct ddb_entry *ddb_entry, |
6877 | struct dev_db_entry *fw_ddb_entry) |
6878 | { |
6879 | struct iscsi_cls_session *cls_sess; |
6880 | struct iscsi_session *sess; |
6881 | uint32_t max_ddbs = 0; |
6882 | uint16_t ddb_link = -1; |
6883 | |
6884 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
6885 | MAX_DEV_DB_ENTRIES; |
6886 | |
6887 | cls_sess = ddb_entry->sess; |
6888 | sess = cls_sess->dd_data; |
6889 | |
6890 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
6891 | if (ddb_link < max_ddbs) |
6892 | sess->discovery_parent_idx = ddb_link; |
6893 | else |
6894 | sess->discovery_parent_idx = DDB_NO_LINK; |
6895 | } |
6896 | |
6897 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
6898 | struct dev_db_entry *fw_ddb_entry, |
6899 | int is_reset, uint16_t idx) |
6900 | { |
6901 | struct iscsi_cls_session *cls_sess; |
6902 | struct iscsi_session *sess; |
6903 | struct iscsi_cls_conn *cls_conn; |
6904 | struct iscsi_endpoint *ep; |
6905 | uint16_t cmds_max = 32; |
6906 | uint16_t conn_id = 0; |
6907 | uint32_t initial_cmdsn = 0; |
6908 | int ret = QLA_SUCCESS; |
6909 | |
6910 | struct ddb_entry *ddb_entry = NULL; |
6911 | |
6912 | /* Create session object, with INVALID_ENTRY, |
6913 | * the targer_id would get set when we issue the login |
6914 | */ |
6915 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, shost: ha->host, |
6916 | cmds_max, sizeof(struct ddb_entry), |
6917 | sizeof(struct ql4_task_data), |
6918 | initial_cmdsn, INVALID_ENTRY); |
6919 | if (!cls_sess) { |
6920 | ret = QLA_ERROR; |
6921 | goto exit_setup; |
6922 | } |
6923 | |
6924 | /* |
6925 | * so calling module_put function to decrement the |
6926 | * reference count. |
6927 | **/ |
6928 | module_put(module: qla4xxx_iscsi_transport.owner); |
6929 | sess = cls_sess->dd_data; |
6930 | ddb_entry = sess->dd_data; |
6931 | ddb_entry->sess = cls_sess; |
6932 | |
6933 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
6934 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, |
6935 | sizeof(struct dev_db_entry)); |
6936 | |
6937 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
6938 | |
6939 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); |
6940 | |
6941 | if (!cls_conn) { |
6942 | ret = QLA_ERROR; |
6943 | goto exit_setup; |
6944 | } |
6945 | |
6946 | ddb_entry->conn = cls_conn; |
6947 | |
6948 | /* Setup ep, for displaying attributes in sysfs */ |
6949 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); |
6950 | if (ep) { |
6951 | ep->conn = cls_conn; |
6952 | cls_conn->ep = ep; |
6953 | } else { |
6954 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n" )); |
6955 | ret = QLA_ERROR; |
6956 | goto exit_setup; |
6957 | } |
6958 | |
6959 | /* Update sess/conn params */ |
6960 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
6961 | qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); |
6962 | |
6963 | if (is_reset == RESET_ADAPTER) { |
6964 | iscsi_block_session(session: cls_sess); |
6965 | /* Use the relogin path to discover new devices |
6966 | * by short-circuiting the logic of setting |
6967 | * timer to relogin - instead set the flags |
6968 | * to initiate login right away. |
6969 | */ |
6970 | set_bit(DPC_RELOGIN_DEVICE, addr: &ha->dpc_flags); |
6971 | set_bit(DF_RELOGIN, addr: &ddb_entry->flags); |
6972 | } |
6973 | |
6974 | exit_setup: |
6975 | return ret; |
6976 | } |
6977 | |
6978 | static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, |
6979 | struct list_head *list_ddb, |
6980 | struct dev_db_entry *fw_ddb_entry) |
6981 | { |
6982 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
6983 | uint16_t ddb_link; |
6984 | |
6985 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
6986 | |
6987 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
6988 | if (ddb_idx->fw_ddb_idx == ddb_link) { |
6989 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6990 | "Updating NT parent idx from [%d] to [%d]\n" , |
6991 | ddb_link, ddb_idx->flash_ddb_idx)); |
6992 | fw_ddb_entry->ddb_link = |
6993 | cpu_to_le16(ddb_idx->flash_ddb_idx); |
6994 | return; |
6995 | } |
6996 | } |
6997 | } |
6998 | |
6999 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
7000 | struct list_head *list_nt, |
7001 | struct list_head *list_st, |
7002 | int is_reset) |
7003 | { |
7004 | struct dev_db_entry *fw_ddb_entry; |
7005 | struct ddb_entry *ddb_entry = NULL; |
7006 | dma_addr_t fw_ddb_dma; |
7007 | int max_ddbs; |
7008 | int fw_idx_size; |
7009 | int ret; |
7010 | uint32_t idx = 0, next_idx = 0; |
7011 | uint32_t state = 0, conn_err = 0; |
7012 | uint32_t ddb_idx = -1; |
7013 | uint16_t conn_id = 0; |
7014 | uint16_t ddb_link = -1; |
7015 | struct qla_ddb_index *nt_ddb_idx; |
7016 | |
7017 | fw_ddb_entry = dma_pool_alloc(pool: ha->fw_ddb_dma_pool, GFP_KERNEL, |
7018 | handle: &fw_ddb_dma); |
7019 | if (fw_ddb_entry == NULL) { |
7020 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n" )); |
7021 | goto exit_nt_list; |
7022 | } |
7023 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
7024 | MAX_DEV_DB_ENTRIES; |
7025 | fw_idx_size = sizeof(struct qla_ddb_index); |
7026 | |
7027 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
7028 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: idx, fw_ddb_entry, fw_ddb_entry_dma: fw_ddb_dma, |
7029 | NULL, next_ddb_index: &next_idx, fw_ddb_device_state: &state, |
7030 | conn_err_detail: &conn_err, NULL, connection_id: &conn_id); |
7031 | if (ret == QLA_ERROR) |
7032 | break; |
7033 | |
7034 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) |
7035 | goto continue_next_nt; |
7036 | |
7037 | /* Check if NT, then add to list it */ |
7038 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) |
7039 | goto continue_next_nt; |
7040 | |
7041 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
7042 | if (ddb_link < max_ddbs) |
7043 | qla4xxx_update_fw_ddb_link(ha, list_ddb: list_st, fw_ddb_entry); |
7044 | |
7045 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
7046 | state == DDB_DS_SESSION_FAILED) && |
7047 | (is_reset == INIT_ADAPTER)) |
7048 | goto continue_next_nt; |
7049 | |
7050 | DEBUG2(ql4_printk(KERN_INFO, ha, |
7051 | "Adding DDB to session = 0x%x\n" , idx)); |
7052 | |
7053 | if (is_reset == INIT_ADAPTER) { |
7054 | nt_ddb_idx = vmalloc(size: fw_idx_size); |
7055 | if (!nt_ddb_idx) |
7056 | break; |
7057 | |
7058 | nt_ddb_idx->fw_ddb_idx = idx; |
7059 | |
7060 | /* Copy original isid as it may get updated in function |
7061 | * qla4xxx_update_isid(). We need original isid in |
7062 | * function qla4xxx_compare_tuple_ddb to find duplicate |
7063 | * target */ |
7064 | memcpy(&nt_ddb_idx->flash_isid[0], |
7065 | &fw_ddb_entry->isid[0], |
7066 | sizeof(nt_ddb_idx->flash_isid)); |
7067 | |
7068 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, |
7069 | fw_ddb_entry); |
7070 | if (ret == QLA_SUCCESS) { |
7071 | /* free nt_ddb_idx and do not add to list_nt */ |
7072 | vfree(addr: nt_ddb_idx); |
7073 | goto continue_next_nt; |
7074 | } |
7075 | |
7076 | /* Copy updated isid */ |
7077 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, |
7078 | sizeof(struct dev_db_entry)); |
7079 | |
7080 | list_add_tail(new: &nt_ddb_idx->list, head: list_nt); |
7081 | } else if (is_reset == RESET_ADAPTER) { |
7082 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, |
7083 | index: &ddb_idx); |
7084 | if (ret == QLA_SUCCESS) { |
7085 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, |
7086 | fw_ddb_index: ddb_idx); |
7087 | if (ddb_entry != NULL) |
7088 | qla4xxx_update_sess_disc_idx(ha, |
7089 | ddb_entry, |
7090 | fw_ddb_entry); |
7091 | goto continue_next_nt; |
7092 | } |
7093 | } |
7094 | |
7095 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
7096 | if (ret == QLA_ERROR) |
7097 | goto exit_nt_list; |
7098 | |
7099 | continue_next_nt: |
7100 | if (next_idx == 0) |
7101 | break; |
7102 | } |
7103 | |
7104 | exit_nt_list: |
7105 | if (fw_ddb_entry) |
7106 | dma_pool_free(pool: ha->fw_ddb_dma_pool, vaddr: fw_ddb_entry, addr: fw_ddb_dma); |
7107 | } |
7108 | |
7109 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
7110 | struct list_head *list_nt, |
7111 | uint16_t target_id) |
7112 | { |
7113 | struct dev_db_entry *fw_ddb_entry; |
7114 | dma_addr_t fw_ddb_dma; |
7115 | int max_ddbs; |
7116 | int fw_idx_size; |
7117 | int ret; |
7118 | uint32_t idx = 0, next_idx = 0; |
7119 | uint32_t state = 0, conn_err = 0; |
7120 | uint16_t conn_id = 0; |
7121 | struct qla_ddb_index *nt_ddb_idx; |
7122 | |
7123 | fw_ddb_entry = dma_pool_alloc(pool: ha->fw_ddb_dma_pool, GFP_KERNEL, |
7124 | handle: &fw_ddb_dma); |
7125 | if (fw_ddb_entry == NULL) { |
7126 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n" )); |
7127 | goto exit_new_nt_list; |
7128 | } |
7129 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
7130 | MAX_DEV_DB_ENTRIES; |
7131 | fw_idx_size = sizeof(struct qla_ddb_index); |
7132 | |
7133 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
7134 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: idx, fw_ddb_entry, fw_ddb_entry_dma: fw_ddb_dma, |
7135 | NULL, next_ddb_index: &next_idx, fw_ddb_device_state: &state, |
7136 | conn_err_detail: &conn_err, NULL, connection_id: &conn_id); |
7137 | if (ret == QLA_ERROR) |
7138 | break; |
7139 | |
7140 | /* Check if NT, then add it to list */ |
7141 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
7142 | goto continue_next_new_nt; |
7143 | |
7144 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) |
7145 | goto continue_next_new_nt; |
7146 | |
7147 | DEBUG2(ql4_printk(KERN_INFO, ha, |
7148 | "Adding DDB to session = 0x%x\n" , idx)); |
7149 | |
7150 | nt_ddb_idx = vmalloc(size: fw_idx_size); |
7151 | if (!nt_ddb_idx) |
7152 | break; |
7153 | |
7154 | nt_ddb_idx->fw_ddb_idx = idx; |
7155 | |
7156 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
7157 | if (ret == QLA_SUCCESS) { |
7158 | /* free nt_ddb_idx and do not add to list_nt */ |
7159 | vfree(addr: nt_ddb_idx); |
7160 | goto continue_next_new_nt; |
7161 | } |
7162 | |
7163 | if (target_id < max_ddbs) |
7164 | fw_ddb_entry->ddb_link = cpu_to_le16(target_id); |
7165 | |
7166 | list_add_tail(new: &nt_ddb_idx->list, head: list_nt); |
7167 | |
7168 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
7169 | idx); |
7170 | if (ret == QLA_ERROR) |
7171 | goto exit_new_nt_list; |
7172 | |
7173 | continue_next_new_nt: |
7174 | if (next_idx == 0) |
7175 | break; |
7176 | } |
7177 | |
7178 | exit_new_nt_list: |
7179 | if (fw_ddb_entry) |
7180 | dma_pool_free(pool: ha->fw_ddb_dma_pool, vaddr: fw_ddb_entry, addr: fw_ddb_dma); |
7181 | } |
7182 | |
7183 | /** |
7184 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
7185 | * @dev: dev associated with the sysfs entry |
7186 | * @data: pointer to flashnode session object |
7187 | * |
7188 | * Returns: |
7189 | * 1: if flashnode entry is non-persistent |
7190 | * 0: if flashnode entry is persistent |
7191 | **/ |
7192 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
7193 | { |
7194 | struct iscsi_bus_flash_session *fnode_sess; |
7195 | |
7196 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
7197 | return 0; |
7198 | |
7199 | fnode_sess = iscsi_dev_to_flash_session(dev); |
7200 | |
7201 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
7202 | } |
7203 | |
7204 | /** |
7205 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target |
7206 | * @ha: pointer to host |
7207 | * @fw_ddb_entry: flash ddb data |
7208 | * @idx: target index |
7209 | * @user: if set then this call is made from userland else from kernel |
7210 | * |
7211 | * Returns: |
7212 | * On sucess: QLA_SUCCESS |
7213 | * On failure: QLA_ERROR |
7214 | * |
7215 | * This create separate sysfs entries for session and connection attributes of |
7216 | * the given fw ddb entry. |
7217 | * If this is invoked as a result of a userspace call then the entry is marked |
7218 | * as nonpersistent using flash_state field. |
7219 | **/ |
7220 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
7221 | struct dev_db_entry *fw_ddb_entry, |
7222 | uint16_t *idx, int user) |
7223 | { |
7224 | struct iscsi_bus_flash_session *fnode_sess = NULL; |
7225 | struct iscsi_bus_flash_conn *fnode_conn = NULL; |
7226 | int rc = QLA_ERROR; |
7227 | |
7228 | fnode_sess = iscsi_create_flashnode_sess(shost: ha->host, index: *idx, |
7229 | transport: &qla4xxx_iscsi_transport, dd_size: 0); |
7230 | if (!fnode_sess) { |
7231 | ql4_printk(KERN_ERR, ha, |
7232 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n" , |
7233 | __func__, *idx, ha->host_no); |
7234 | goto exit_tgt_create; |
7235 | } |
7236 | |
7237 | fnode_conn = iscsi_create_flashnode_conn(shost: ha->host, fnode_sess, |
7238 | transport: &qla4xxx_iscsi_transport, dd_size: 0); |
7239 | if (!fnode_conn) { |
7240 | ql4_printk(KERN_ERR, ha, |
7241 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n" , |
7242 | __func__, *idx, ha->host_no); |
7243 | goto free_sess; |
7244 | } |
7245 | |
7246 | if (user) { |
7247 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; |
7248 | } else { |
7249 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
7250 | |
7251 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
7252 | fnode_sess->is_boot_target = 1; |
7253 | else |
7254 | fnode_sess->is_boot_target = 0; |
7255 | } |
7256 | |
7257 | rc = qla4xxx_copy_from_fwddb_param(sess: fnode_sess, conn: fnode_conn, |
7258 | fw_ddb_entry); |
7259 | if (rc) |
7260 | goto free_sess; |
7261 | |
7262 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n" , |
7263 | __func__, fnode_sess->dev.kobj.name); |
7264 | |
7265 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n" , |
7266 | __func__, fnode_conn->dev.kobj.name); |
7267 | |
7268 | return QLA_SUCCESS; |
7269 | |
7270 | free_sess: |
7271 | iscsi_destroy_flashnode_sess(fnode_sess); |
7272 | |
7273 | exit_tgt_create: |
7274 | return QLA_ERROR; |
7275 | } |
7276 | |
7277 | /** |
7278 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
7279 | * @shost: pointer to host |
7280 | * @buf: type of ddb entry (ipv4/ipv6) |
7281 | * @len: length of buf |
7282 | * |
7283 | * This creates new ddb entry in the flash by finding first free index and |
7284 | * storing default ddb there. And then create sysfs entry for the new ddb entry. |
7285 | **/ |
7286 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
7287 | int len) |
7288 | { |
7289 | struct scsi_qla_host *ha = to_qla_host(shost); |
7290 | struct dev_db_entry *fw_ddb_entry = NULL; |
7291 | dma_addr_t fw_ddb_entry_dma; |
7292 | struct device *dev; |
7293 | uint16_t idx = 0; |
7294 | uint16_t max_ddbs = 0; |
7295 | uint32_t options = 0; |
7296 | uint32_t rval = QLA_ERROR; |
7297 | |
7298 | if (strncasecmp(PORTAL_TYPE_IPV4, s2: buf, n: 4) && |
7299 | strncasecmp(PORTAL_TYPE_IPV6, s2: buf, n: 4)) { |
7300 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n" , |
7301 | __func__)); |
7302 | goto exit_ddb_add; |
7303 | } |
7304 | |
7305 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
7306 | MAX_DEV_DB_ENTRIES; |
7307 | |
7308 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7309 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
7310 | if (!fw_ddb_entry) { |
7311 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7312 | "%s: Unable to allocate dma buffer\n" , |
7313 | __func__)); |
7314 | goto exit_ddb_add; |
7315 | } |
7316 | |
7317 | dev = iscsi_find_flashnode_sess(shost: ha->host, NULL, |
7318 | fn: qla4xxx_sysfs_ddb_is_non_persistent); |
7319 | if (dev) { |
7320 | ql4_printk(KERN_ERR, ha, |
7321 | "%s: A non-persistent entry %s found\n" , |
7322 | __func__, dev->kobj.name); |
7323 | put_device(dev); |
7324 | goto exit_ddb_add; |
7325 | } |
7326 | |
7327 | /* Index 0 and 1 are reserved for boot target entries */ |
7328 | for (idx = 2; idx < max_ddbs; idx++) { |
7329 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
7330 | fw_ddb_entry_dma, ddb_index: idx)) |
7331 | break; |
7332 | } |
7333 | |
7334 | if (idx == max_ddbs) |
7335 | goto exit_ddb_add; |
7336 | |
7337 | if (!strncasecmp(s1: "ipv6" , s2: buf, n: 4)) |
7338 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7339 | |
7340 | rval = qla4xxx_get_default_ddb(ha, options, dma_addr: fw_ddb_entry_dma); |
7341 | if (rval == QLA_ERROR) |
7342 | goto exit_ddb_add; |
7343 | |
7344 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, idx: &idx, user: 1); |
7345 | |
7346 | exit_ddb_add: |
7347 | if (fw_ddb_entry) |
7348 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7349 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
7350 | if (rval == QLA_SUCCESS) |
7351 | return idx; |
7352 | else |
7353 | return -EIO; |
7354 | } |
7355 | |
7356 | /** |
7357 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
7358 | * @fnode_sess: pointer to session attrs of flash ddb entry |
7359 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
7360 | * |
7361 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
7362 | * value in order to make the ddb entry persistent. |
7363 | **/ |
7364 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
7365 | struct iscsi_bus_flash_conn *fnode_conn) |
7366 | { |
7367 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7368 | struct scsi_qla_host *ha = to_qla_host(shost); |
7369 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
7370 | struct dev_db_entry *fw_ddb_entry = NULL; |
7371 | dma_addr_t fw_ddb_entry_dma; |
7372 | uint32_t options = 0; |
7373 | int rval = 0; |
7374 | |
7375 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7376 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
7377 | if (!fw_ddb_entry) { |
7378 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7379 | "%s: Unable to allocate dma buffer\n" , |
7380 | __func__)); |
7381 | rval = -ENOMEM; |
7382 | goto exit_ddb_apply; |
7383 | } |
7384 | |
7385 | if (!strncasecmp(s1: fnode_sess->portal_type, PORTAL_TYPE_IPV6, n: 4)) |
7386 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7387 | |
7388 | rval = qla4xxx_get_default_ddb(ha, options, dma_addr: fw_ddb_entry_dma); |
7389 | if (rval == QLA_ERROR) |
7390 | goto exit_ddb_apply; |
7391 | |
7392 | dev_db_start_offset += (fnode_sess->target_id * |
7393 | sizeof(*fw_ddb_entry)); |
7394 | |
7395 | qla4xxx_copy_to_fwddb_param(sess: fnode_sess, conn: fnode_conn, fw_ddb_entry); |
7396 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
7397 | |
7398 | rval = qla4xxx_set_flash(ha, dma_addr: fw_ddb_entry_dma, offset: dev_db_start_offset, |
7399 | length: sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); |
7400 | |
7401 | if (rval == QLA_SUCCESS) { |
7402 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
7403 | ql4_printk(KERN_INFO, ha, |
7404 | "%s: flash node %u of host %lu written to flash\n" , |
7405 | __func__, fnode_sess->target_id, ha->host_no); |
7406 | } else { |
7407 | rval = -EIO; |
7408 | ql4_printk(KERN_ERR, ha, |
7409 | "%s: Error while writing flash node %u of host %lu to flash\n" , |
7410 | __func__, fnode_sess->target_id, ha->host_no); |
7411 | } |
7412 | |
7413 | exit_ddb_apply: |
7414 | if (fw_ddb_entry) |
7415 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7416 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
7417 | return rval; |
7418 | } |
7419 | |
7420 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, |
7421 | struct dev_db_entry *fw_ddb_entry, |
7422 | uint16_t idx) |
7423 | { |
7424 | struct dev_db_entry *ddb_entry = NULL; |
7425 | dma_addr_t ddb_entry_dma; |
7426 | unsigned long wtime; |
7427 | uint32_t mbx_sts = 0; |
7428 | uint32_t state = 0, conn_err = 0; |
7429 | uint16_t tmo = 0; |
7430 | int ret = 0; |
7431 | |
7432 | ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*ddb_entry), |
7433 | dma_handle: &ddb_entry_dma, GFP_KERNEL); |
7434 | if (!ddb_entry) { |
7435 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7436 | "%s: Unable to allocate dma buffer\n" , |
7437 | __func__)); |
7438 | return QLA_ERROR; |
7439 | } |
7440 | |
7441 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); |
7442 | |
7443 | ret = qla4xxx_set_ddb_entry(ha, fw_ddb_index: idx, fw_ddb_entry_dma: ddb_entry_dma, mbx_sts: &mbx_sts); |
7444 | if (ret != QLA_SUCCESS) { |
7445 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7446 | "%s: Unable to set ddb entry for index %d\n" , |
7447 | __func__, idx)); |
7448 | goto exit_ddb_conn_open; |
7449 | } |
7450 | |
7451 | qla4xxx_conn_open(ha, fw_ddb_index: idx); |
7452 | |
7453 | /* To ensure that sendtargets is done, wait for at least 12 secs */ |
7454 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
7455 | (ha->def_timeout < LOGIN_TOV * 10) ? |
7456 | ha->def_timeout : LOGIN_TOV); |
7457 | |
7458 | DEBUG2(ql4_printk(KERN_INFO, ha, |
7459 | "Default time to wait for login to ddb %d\n" , tmo)); |
7460 | |
7461 | wtime = jiffies + (HZ * tmo); |
7462 | do { |
7463 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: idx, NULL, fw_ddb_entry_dma: 0, NULL, |
7464 | NULL, fw_ddb_device_state: &state, conn_err_detail: &conn_err, NULL, |
7465 | NULL); |
7466 | if (ret == QLA_ERROR) |
7467 | continue; |
7468 | |
7469 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
7470 | state == DDB_DS_SESSION_FAILED) |
7471 | break; |
7472 | |
7473 | schedule_timeout_uninterruptible(HZ / 10); |
7474 | } while (time_after(wtime, jiffies)); |
7475 | |
7476 | exit_ddb_conn_open: |
7477 | if (ddb_entry) |
7478 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*ddb_entry), |
7479 | cpu_addr: ddb_entry, dma_handle: ddb_entry_dma); |
7480 | return ret; |
7481 | } |
7482 | |
7483 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, |
7484 | struct dev_db_entry *fw_ddb_entry, |
7485 | uint16_t target_id) |
7486 | { |
7487 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
7488 | struct list_head list_nt; |
7489 | uint16_t ddb_index; |
7490 | int ret = 0; |
7491 | |
7492 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { |
7493 | ql4_printk(KERN_WARNING, ha, |
7494 | "%s: A discovery already in progress!\n" , __func__); |
7495 | return QLA_ERROR; |
7496 | } |
7497 | |
7498 | INIT_LIST_HEAD(list: &list_nt); |
7499 | |
7500 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, addr: &ha->flags); |
7501 | |
7502 | ret = qla4xxx_get_ddb_index(ha, ddb_index: &ddb_index); |
7503 | if (ret == QLA_ERROR) |
7504 | goto exit_login_st_clr_bit; |
7505 | |
7506 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, idx: ddb_index); |
7507 | if (ret == QLA_ERROR) |
7508 | goto exit_login_st; |
7509 | |
7510 | qla4xxx_build_new_nt_list(ha, list_nt: &list_nt, target_id); |
7511 | |
7512 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { |
7513 | list_del_init(entry: &ddb_idx->list); |
7514 | qla4xxx_clear_ddb_entry(ha, fw_ddb_index: ddb_idx->fw_ddb_idx); |
7515 | vfree(addr: ddb_idx); |
7516 | } |
7517 | |
7518 | exit_login_st: |
7519 | if (qla4xxx_clear_ddb_entry(ha, fw_ddb_index: ddb_index) == QLA_ERROR) { |
7520 | ql4_printk(KERN_ERR, ha, |
7521 | "Unable to clear DDB index = 0x%x\n" , ddb_index); |
7522 | } |
7523 | |
7524 | clear_bit(nr: ddb_index, addr: ha->ddb_idx_map); |
7525 | |
7526 | exit_login_st_clr_bit: |
7527 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, addr: &ha->flags); |
7528 | return ret; |
7529 | } |
7530 | |
7531 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, |
7532 | struct dev_db_entry *fw_ddb_entry, |
7533 | uint16_t idx) |
7534 | { |
7535 | int ret = QLA_ERROR; |
7536 | |
7537 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
7538 | if (ret != QLA_SUCCESS) |
7539 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
7540 | idx); |
7541 | else |
7542 | ret = -EPERM; |
7543 | |
7544 | return ret; |
7545 | } |
7546 | |
7547 | /** |
7548 | * qla4xxx_sysfs_ddb_login - Login to the specified target |
7549 | * @fnode_sess: pointer to session attrs of flash ddb entry |
7550 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
7551 | * |
7552 | * This logs in to the specified target |
7553 | **/ |
7554 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
7555 | struct iscsi_bus_flash_conn *fnode_conn) |
7556 | { |
7557 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7558 | struct scsi_qla_host *ha = to_qla_host(shost); |
7559 | struct dev_db_entry *fw_ddb_entry = NULL; |
7560 | dma_addr_t fw_ddb_entry_dma; |
7561 | uint32_t options = 0; |
7562 | int ret = 0; |
7563 | |
7564 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { |
7565 | ql4_printk(KERN_ERR, ha, |
7566 | "%s: Target info is not persistent\n" , __func__); |
7567 | ret = -EIO; |
7568 | goto exit_ddb_login; |
7569 | } |
7570 | |
7571 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7572 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
7573 | if (!fw_ddb_entry) { |
7574 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7575 | "%s: Unable to allocate dma buffer\n" , |
7576 | __func__)); |
7577 | ret = -ENOMEM; |
7578 | goto exit_ddb_login; |
7579 | } |
7580 | |
7581 | if (!strncasecmp(s1: fnode_sess->portal_type, PORTAL_TYPE_IPV6, n: 4)) |
7582 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7583 | |
7584 | ret = qla4xxx_get_default_ddb(ha, options, dma_addr: fw_ddb_entry_dma); |
7585 | if (ret == QLA_ERROR) |
7586 | goto exit_ddb_login; |
7587 | |
7588 | qla4xxx_copy_to_fwddb_param(sess: fnode_sess, conn: fnode_conn, fw_ddb_entry); |
7589 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
7590 | |
7591 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
7592 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, |
7593 | target_id: fnode_sess->target_id); |
7594 | else |
7595 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, |
7596 | idx: fnode_sess->target_id); |
7597 | |
7598 | if (ret > 0) |
7599 | ret = -EIO; |
7600 | |
7601 | exit_ddb_login: |
7602 | if (fw_ddb_entry) |
7603 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7604 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
7605 | return ret; |
7606 | } |
7607 | |
7608 | /** |
7609 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target |
7610 | * @cls_sess: pointer to session to be logged out |
7611 | * |
7612 | * This performs session log out from the specified target |
7613 | **/ |
7614 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) |
7615 | { |
7616 | struct iscsi_session *sess; |
7617 | struct ddb_entry *ddb_entry = NULL; |
7618 | struct scsi_qla_host *ha; |
7619 | struct dev_db_entry *fw_ddb_entry = NULL; |
7620 | dma_addr_t fw_ddb_entry_dma; |
7621 | unsigned long flags; |
7622 | unsigned long wtime; |
7623 | uint32_t ddb_state; |
7624 | int options; |
7625 | int ret = 0; |
7626 | |
7627 | sess = cls_sess->dd_data; |
7628 | ddb_entry = sess->dd_data; |
7629 | ha = ddb_entry->ha; |
7630 | |
7631 | if (ddb_entry->ddb_type != FLASH_DDB) { |
7632 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n" , |
7633 | __func__); |
7634 | ret = -ENXIO; |
7635 | goto exit_ddb_logout; |
7636 | } |
7637 | |
7638 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
7639 | ql4_printk(KERN_ERR, ha, |
7640 | "%s: Logout from boot target entry is not permitted.\n" , |
7641 | __func__); |
7642 | ret = -EPERM; |
7643 | goto exit_ddb_logout; |
7644 | } |
7645 | |
7646 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7647 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
7648 | if (!fw_ddb_entry) { |
7649 | ql4_printk(KERN_ERR, ha, |
7650 | "%s: Unable to allocate dma buffer\n" , __func__); |
7651 | ret = -ENOMEM; |
7652 | goto exit_ddb_logout; |
7653 | } |
7654 | |
7655 | if (test_and_set_bit(DF_DISABLE_RELOGIN, addr: &ddb_entry->flags)) |
7656 | goto ddb_logout_init; |
7657 | |
7658 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, |
7659 | fw_ddb_entry, fw_ddb_entry_dma, |
7660 | NULL, NULL, fw_ddb_device_state: &ddb_state, NULL, |
7661 | NULL, NULL); |
7662 | if (ret == QLA_ERROR) |
7663 | goto ddb_logout_init; |
7664 | |
7665 | if (ddb_state == DDB_DS_SESSION_ACTIVE) |
7666 | goto ddb_logout_init; |
7667 | |
7668 | /* wait until next relogin is triggered using DF_RELOGIN and |
7669 | * clear DF_RELOGIN to avoid invocation of further relogin |
7670 | */ |
7671 | wtime = jiffies + (HZ * RELOGIN_TOV); |
7672 | do { |
7673 | if (test_and_clear_bit(DF_RELOGIN, addr: &ddb_entry->flags)) |
7674 | goto ddb_logout_init; |
7675 | |
7676 | schedule_timeout_uninterruptible(HZ); |
7677 | } while ((time_after(wtime, jiffies))); |
7678 | |
7679 | ddb_logout_init: |
7680 | atomic_set(v: &ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
7681 | atomic_set(v: &ddb_entry->relogin_timer, i: 0); |
7682 | |
7683 | options = LOGOUT_OPTION_CLOSE_SESSION; |
7684 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); |
7685 | |
7686 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); |
7687 | wtime = jiffies + (HZ * LOGOUT_TOV); |
7688 | do { |
7689 | ret = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, |
7690 | fw_ddb_entry, fw_ddb_entry_dma, |
7691 | NULL, NULL, fw_ddb_device_state: &ddb_state, NULL, |
7692 | NULL, NULL); |
7693 | if (ret == QLA_ERROR) |
7694 | goto ddb_logout_clr_sess; |
7695 | |
7696 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
7697 | (ddb_state == DDB_DS_SESSION_FAILED)) |
7698 | goto ddb_logout_clr_sess; |
7699 | |
7700 | schedule_timeout_uninterruptible(HZ); |
7701 | } while ((time_after(wtime, jiffies))); |
7702 | |
7703 | ddb_logout_clr_sess: |
7704 | qla4xxx_clear_ddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index); |
7705 | /* |
7706 | * we have decremented the reference count of the driver |
7707 | * when we setup the session to have the driver unload |
7708 | * to be seamless without actually destroying the |
7709 | * session |
7710 | **/ |
7711 | try_module_get(module: qla4xxx_iscsi_transport.owner); |
7712 | iscsi_destroy_endpoint(ep: ddb_entry->conn->ep); |
7713 | |
7714 | spin_lock_irqsave(&ha->hardware_lock, flags); |
7715 | qla4xxx_free_ddb(ha, ddb_entry); |
7716 | clear_bit(nr: ddb_entry->fw_ddb_index, addr: ha->ddb_idx_map); |
7717 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
7718 | |
7719 | iscsi_session_teardown(ddb_entry->sess); |
7720 | |
7721 | clear_bit(DF_DISABLE_RELOGIN, addr: &ddb_entry->flags); |
7722 | ret = QLA_SUCCESS; |
7723 | |
7724 | exit_ddb_logout: |
7725 | if (fw_ddb_entry) |
7726 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
7727 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
7728 | return ret; |
7729 | } |
7730 | |
7731 | /** |
7732 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target |
7733 | * @fnode_sess: pointer to session attrs of flash ddb entry |
7734 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
7735 | * |
7736 | * This performs log out from the specified target |
7737 | **/ |
7738 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
7739 | struct iscsi_bus_flash_conn *fnode_conn) |
7740 | { |
7741 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7742 | struct scsi_qla_host *ha = to_qla_host(shost); |
7743 | struct ql4_tuple_ddb *flash_tddb = NULL; |
7744 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
7745 | struct dev_db_entry *fw_ddb_entry = NULL; |
7746 | struct ddb_entry *ddb_entry = NULL; |
7747 | dma_addr_t fw_ddb_dma; |
7748 | uint32_t next_idx = 0; |
7749 | uint32_t state = 0, conn_err = 0; |
7750 | uint16_t conn_id = 0; |
7751 | int idx, index; |
7752 | int status, ret = 0; |
7753 | |
7754 | fw_ddb_entry = dma_pool_alloc(pool: ha->fw_ddb_dma_pool, GFP_KERNEL, |
7755 | handle: &fw_ddb_dma); |
7756 | if (fw_ddb_entry == NULL) { |
7757 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n" , __func__); |
7758 | ret = -ENOMEM; |
7759 | goto exit_ddb_logout; |
7760 | } |
7761 | |
7762 | flash_tddb = vzalloc(size: sizeof(*flash_tddb)); |
7763 | if (!flash_tddb) { |
7764 | ql4_printk(KERN_WARNING, ha, |
7765 | "%s:Memory Allocation failed.\n" , __func__); |
7766 | ret = -ENOMEM; |
7767 | goto exit_ddb_logout; |
7768 | } |
7769 | |
7770 | tmp_tddb = vzalloc(size: sizeof(*tmp_tddb)); |
7771 | if (!tmp_tddb) { |
7772 | ql4_printk(KERN_WARNING, ha, |
7773 | "%s:Memory Allocation failed.\n" , __func__); |
7774 | ret = -ENOMEM; |
7775 | goto exit_ddb_logout; |
7776 | } |
7777 | |
7778 | if (!fnode_sess->targetname) { |
7779 | ql4_printk(KERN_ERR, ha, |
7780 | "%s:Cannot logout from SendTarget entry\n" , |
7781 | __func__); |
7782 | ret = -EPERM; |
7783 | goto exit_ddb_logout; |
7784 | } |
7785 | |
7786 | if (fnode_sess->is_boot_target) { |
7787 | ql4_printk(KERN_ERR, ha, |
7788 | "%s: Logout from boot target entry is not permitted.\n" , |
7789 | __func__); |
7790 | ret = -EPERM; |
7791 | goto exit_ddb_logout; |
7792 | } |
7793 | |
7794 | strscpy(p: flash_tddb->iscsi_name, q: fnode_sess->targetname, |
7795 | ISCSI_NAME_SIZE); |
7796 | |
7797 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
7798 | sprintf(buf: flash_tddb->ip_addr, fmt: "%pI6" , fnode_conn->ipaddress); |
7799 | else |
7800 | sprintf(buf: flash_tddb->ip_addr, fmt: "%pI4" , fnode_conn->ipaddress); |
7801 | |
7802 | flash_tddb->tpgt = fnode_sess->tpgt; |
7803 | flash_tddb->port = fnode_conn->port; |
7804 | |
7805 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); |
7806 | |
7807 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
7808 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index: idx); |
7809 | if (ddb_entry == NULL) |
7810 | continue; |
7811 | |
7812 | if (ddb_entry->ddb_type != FLASH_DDB) |
7813 | continue; |
7814 | |
7815 | index = ddb_entry->sess->target_id; |
7816 | status = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: index, fw_ddb_entry, |
7817 | fw_ddb_entry_dma: fw_ddb_dma, NULL, next_ddb_index: &next_idx, |
7818 | fw_ddb_device_state: &state, conn_err_detail: &conn_err, NULL, |
7819 | connection_id: &conn_id); |
7820 | if (status == QLA_ERROR) { |
7821 | ret = -ENOMEM; |
7822 | break; |
7823 | } |
7824 | |
7825 | qla4xxx_convert_param_ddb(fw_ddb_entry, tddb: tmp_tddb, NULL); |
7826 | |
7827 | status = qla4xxx_compare_tuple_ddb(ha, old_tddb: flash_tddb, new_tddb: tmp_tddb, |
7828 | is_isid_compare: true); |
7829 | if (status == QLA_SUCCESS) { |
7830 | ret = qla4xxx_sysfs_ddb_logout_sid(cls_sess: ddb_entry->sess); |
7831 | break; |
7832 | } |
7833 | } |
7834 | |
7835 | if (idx == MAX_DDB_ENTRIES) |
7836 | ret = -ESRCH; |
7837 | |
7838 | exit_ddb_logout: |
7839 | vfree(addr: flash_tddb); |
7840 | vfree(addr: tmp_tddb); |
7841 | if (fw_ddb_entry) |
7842 | dma_pool_free(pool: ha->fw_ddb_dma_pool, vaddr: fw_ddb_entry, addr: fw_ddb_dma); |
7843 | |
7844 | return ret; |
7845 | } |
7846 | |
7847 | static int |
7848 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
7849 | int param, char *buf) |
7850 | { |
7851 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7852 | struct scsi_qla_host *ha = to_qla_host(shost); |
7853 | struct iscsi_bus_flash_conn *fnode_conn; |
7854 | struct ql4_chap_table chap_tbl; |
7855 | struct device *dev; |
7856 | int parent_type; |
7857 | int rc = 0; |
7858 | |
7859 | dev = iscsi_find_flashnode_conn(fnode_sess); |
7860 | if (!dev) |
7861 | return -EIO; |
7862 | |
7863 | fnode_conn = iscsi_dev_to_flash_conn(dev); |
7864 | |
7865 | switch (param) { |
7866 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
7867 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->is_fw_assigned_ipv6); |
7868 | break; |
7869 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
7870 | rc = sprintf(buf, fmt: "%s\n" , fnode_sess->portal_type); |
7871 | break; |
7872 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
7873 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->auto_snd_tgt_disable); |
7874 | break; |
7875 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
7876 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->discovery_sess); |
7877 | break; |
7878 | case ISCSI_FLASHNODE_ENTRY_EN: |
7879 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->entry_state); |
7880 | break; |
7881 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
7882 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->hdrdgst_en); |
7883 | break; |
7884 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
7885 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->datadgst_en); |
7886 | break; |
7887 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
7888 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->imm_data_en); |
7889 | break; |
7890 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
7891 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->initial_r2t_en); |
7892 | break; |
7893 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
7894 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->dataseq_inorder_en); |
7895 | break; |
7896 | case ISCSI_FLASHNODE_PDU_INORDER: |
7897 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->pdu_inorder_en); |
7898 | break; |
7899 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
7900 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->chap_auth_en); |
7901 | break; |
7902 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
7903 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->snack_req_en); |
7904 | break; |
7905 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
7906 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->discovery_logout_en); |
7907 | break; |
7908 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
7909 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->bidi_chap_en); |
7910 | break; |
7911 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
7912 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->discovery_auth_optional); |
7913 | break; |
7914 | case ISCSI_FLASHNODE_ERL: |
7915 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->erl); |
7916 | break; |
7917 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
7918 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_timestamp_stat); |
7919 | break; |
7920 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
7921 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_nagle_disable); |
7922 | break; |
7923 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
7924 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_wsf_disable); |
7925 | break; |
7926 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
7927 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_timer_scale); |
7928 | break; |
7929 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
7930 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_timestamp_en); |
7931 | break; |
7932 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
7933 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->fragment_disable); |
7934 | break; |
7935 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
7936 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->max_recv_dlength); |
7937 | break; |
7938 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
7939 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->max_xmit_dlength); |
7940 | break; |
7941 | case ISCSI_FLASHNODE_FIRST_BURST: |
7942 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->first_burst); |
7943 | break; |
7944 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
7945 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->time2wait); |
7946 | break; |
7947 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
7948 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->time2retain); |
7949 | break; |
7950 | case ISCSI_FLASHNODE_MAX_R2T: |
7951 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->max_r2t); |
7952 | break; |
7953 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
7954 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->keepalive_timeout); |
7955 | break; |
7956 | case ISCSI_FLASHNODE_ISID: |
7957 | rc = sprintf(buf, fmt: "%pm\n" , fnode_sess->isid); |
7958 | break; |
7959 | case ISCSI_FLASHNODE_TSID: |
7960 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->tsid); |
7961 | break; |
7962 | case ISCSI_FLASHNODE_PORT: |
7963 | rc = sprintf(buf, fmt: "%d\n" , fnode_conn->port); |
7964 | break; |
7965 | case ISCSI_FLASHNODE_MAX_BURST: |
7966 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->max_burst); |
7967 | break; |
7968 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
7969 | rc = sprintf(buf, fmt: "%u\n" , |
7970 | fnode_sess->default_taskmgmt_timeout); |
7971 | break; |
7972 | case ISCSI_FLASHNODE_IPADDR: |
7973 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
7974 | rc = sprintf(buf, fmt: "%pI6\n" , fnode_conn->ipaddress); |
7975 | else |
7976 | rc = sprintf(buf, fmt: "%pI4\n" , fnode_conn->ipaddress); |
7977 | break; |
7978 | case ISCSI_FLASHNODE_ALIAS: |
7979 | if (fnode_sess->targetalias) |
7980 | rc = sprintf(buf, fmt: "%s\n" , fnode_sess->targetalias); |
7981 | else |
7982 | rc = sprintf(buf, fmt: "\n" ); |
7983 | break; |
7984 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
7985 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
7986 | rc = sprintf(buf, fmt: "%pI6\n" , |
7987 | fnode_conn->redirect_ipaddr); |
7988 | else |
7989 | rc = sprintf(buf, fmt: "%pI4\n" , |
7990 | fnode_conn->redirect_ipaddr); |
7991 | break; |
7992 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
7993 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->max_segment_size); |
7994 | break; |
7995 | case ISCSI_FLASHNODE_LOCAL_PORT: |
7996 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->local_port); |
7997 | break; |
7998 | case ISCSI_FLASHNODE_IPV4_TOS: |
7999 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->ipv4_tos); |
8000 | break; |
8001 | case ISCSI_FLASHNODE_IPV6_TC: |
8002 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
8003 | rc = sprintf(buf, fmt: "%u\n" , |
8004 | fnode_conn->ipv6_traffic_class); |
8005 | else |
8006 | rc = sprintf(buf, fmt: "\n" ); |
8007 | break; |
8008 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
8009 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->ipv6_flow_label); |
8010 | break; |
8011 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
8012 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
8013 | rc = sprintf(buf, fmt: "%pI6\n" , |
8014 | fnode_conn->link_local_ipv6_addr); |
8015 | else |
8016 | rc = sprintf(buf, fmt: "\n" ); |
8017 | break; |
8018 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
8019 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->discovery_parent_idx); |
8020 | break; |
8021 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
8022 | if (fnode_sess->discovery_parent_type == DDB_ISNS) |
8023 | parent_type = ISCSI_DISC_PARENT_ISNS; |
8024 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) |
8025 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
8026 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
8027 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
8028 | else |
8029 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
8030 | |
8031 | rc = sprintf(buf, fmt: "%s\n" , |
8032 | iscsi_get_discovery_parent_name(parent_type)); |
8033 | break; |
8034 | case ISCSI_FLASHNODE_NAME: |
8035 | if (fnode_sess->targetname) |
8036 | rc = sprintf(buf, fmt: "%s\n" , fnode_sess->targetname); |
8037 | else |
8038 | rc = sprintf(buf, fmt: "\n" ); |
8039 | break; |
8040 | case ISCSI_FLASHNODE_TPGT: |
8041 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->tpgt); |
8042 | break; |
8043 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
8044 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_xmit_wsf); |
8045 | break; |
8046 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
8047 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->tcp_recv_wsf); |
8048 | break; |
8049 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
8050 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->chap_out_idx); |
8051 | break; |
8052 | case ISCSI_FLASHNODE_USERNAME: |
8053 | if (fnode_sess->chap_auth_en) { |
8054 | qla4xxx_get_uni_chap_at_index(ha, |
8055 | username: chap_tbl.name, |
8056 | password: chap_tbl.secret, |
8057 | chap_index: fnode_sess->chap_out_idx); |
8058 | rc = sprintf(buf, fmt: "%s\n" , chap_tbl.name); |
8059 | } else { |
8060 | rc = sprintf(buf, fmt: "\n" ); |
8061 | } |
8062 | break; |
8063 | case ISCSI_FLASHNODE_PASSWORD: |
8064 | if (fnode_sess->chap_auth_en) { |
8065 | qla4xxx_get_uni_chap_at_index(ha, |
8066 | username: chap_tbl.name, |
8067 | password: chap_tbl.secret, |
8068 | chap_index: fnode_sess->chap_out_idx); |
8069 | rc = sprintf(buf, fmt: "%s\n" , chap_tbl.secret); |
8070 | } else { |
8071 | rc = sprintf(buf, fmt: "\n" ); |
8072 | } |
8073 | break; |
8074 | case ISCSI_FLASHNODE_STATSN: |
8075 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->statsn); |
8076 | break; |
8077 | case ISCSI_FLASHNODE_EXP_STATSN: |
8078 | rc = sprintf(buf, fmt: "%u\n" , fnode_conn->exp_statsn); |
8079 | break; |
8080 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
8081 | rc = sprintf(buf, fmt: "%u\n" , fnode_sess->is_boot_target); |
8082 | break; |
8083 | default: |
8084 | rc = -ENOSYS; |
8085 | break; |
8086 | } |
8087 | |
8088 | put_device(dev); |
8089 | return rc; |
8090 | } |
8091 | |
8092 | /** |
8093 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry |
8094 | * @fnode_sess: pointer to session attrs of flash ddb entry |
8095 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
8096 | * @data: Parameters and their values to update |
8097 | * @len: len of data |
8098 | * |
8099 | * This sets the parameter of flash ddb entry and writes them to flash |
8100 | **/ |
8101 | static int |
8102 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
8103 | struct iscsi_bus_flash_conn *fnode_conn, |
8104 | void *data, int len) |
8105 | { |
8106 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
8107 | struct scsi_qla_host *ha = to_qla_host(shost); |
8108 | struct iscsi_flashnode_param_info *fnode_param; |
8109 | struct ql4_chap_table chap_tbl; |
8110 | struct nlattr *attr; |
8111 | uint16_t chap_out_idx = INVALID_ENTRY; |
8112 | int rc = QLA_ERROR; |
8113 | uint32_t rem = len; |
8114 | |
8115 | memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); |
8116 | nla_for_each_attr(attr, data, len, rem) { |
8117 | if (nla_len(nla: attr) < sizeof(*fnode_param)) { |
8118 | rc = -EINVAL; |
8119 | goto exit_set_param; |
8120 | } |
8121 | |
8122 | fnode_param = nla_data(nla: attr); |
8123 | |
8124 | switch (fnode_param->param) { |
8125 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
8126 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; |
8127 | break; |
8128 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
8129 | memcpy(fnode_sess->portal_type, fnode_param->value, |
8130 | strlen(fnode_sess->portal_type)); |
8131 | break; |
8132 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
8133 | fnode_sess->auto_snd_tgt_disable = |
8134 | fnode_param->value[0]; |
8135 | break; |
8136 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
8137 | fnode_sess->discovery_sess = fnode_param->value[0]; |
8138 | break; |
8139 | case ISCSI_FLASHNODE_ENTRY_EN: |
8140 | fnode_sess->entry_state = fnode_param->value[0]; |
8141 | break; |
8142 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
8143 | fnode_conn->hdrdgst_en = fnode_param->value[0]; |
8144 | break; |
8145 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
8146 | fnode_conn->datadgst_en = fnode_param->value[0]; |
8147 | break; |
8148 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
8149 | fnode_sess->imm_data_en = fnode_param->value[0]; |
8150 | break; |
8151 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
8152 | fnode_sess->initial_r2t_en = fnode_param->value[0]; |
8153 | break; |
8154 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
8155 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; |
8156 | break; |
8157 | case ISCSI_FLASHNODE_PDU_INORDER: |
8158 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; |
8159 | break; |
8160 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
8161 | fnode_sess->chap_auth_en = fnode_param->value[0]; |
8162 | /* Invalidate chap index if chap auth is disabled */ |
8163 | if (!fnode_sess->chap_auth_en) |
8164 | fnode_sess->chap_out_idx = INVALID_ENTRY; |
8165 | |
8166 | break; |
8167 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
8168 | fnode_conn->snack_req_en = fnode_param->value[0]; |
8169 | break; |
8170 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
8171 | fnode_sess->discovery_logout_en = fnode_param->value[0]; |
8172 | break; |
8173 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
8174 | fnode_sess->bidi_chap_en = fnode_param->value[0]; |
8175 | break; |
8176 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
8177 | fnode_sess->discovery_auth_optional = |
8178 | fnode_param->value[0]; |
8179 | break; |
8180 | case ISCSI_FLASHNODE_ERL: |
8181 | fnode_sess->erl = fnode_param->value[0]; |
8182 | break; |
8183 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
8184 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; |
8185 | break; |
8186 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
8187 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; |
8188 | break; |
8189 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
8190 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; |
8191 | break; |
8192 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
8193 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; |
8194 | break; |
8195 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
8196 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; |
8197 | break; |
8198 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
8199 | fnode_conn->fragment_disable = fnode_param->value[0]; |
8200 | break; |
8201 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
8202 | fnode_conn->max_recv_dlength = |
8203 | *(unsigned *)fnode_param->value; |
8204 | break; |
8205 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
8206 | fnode_conn->max_xmit_dlength = |
8207 | *(unsigned *)fnode_param->value; |
8208 | break; |
8209 | case ISCSI_FLASHNODE_FIRST_BURST: |
8210 | fnode_sess->first_burst = |
8211 | *(unsigned *)fnode_param->value; |
8212 | break; |
8213 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
8214 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; |
8215 | break; |
8216 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
8217 | fnode_sess->time2retain = |
8218 | *(uint16_t *)fnode_param->value; |
8219 | break; |
8220 | case ISCSI_FLASHNODE_MAX_R2T: |
8221 | fnode_sess->max_r2t = |
8222 | *(uint16_t *)fnode_param->value; |
8223 | break; |
8224 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
8225 | fnode_conn->keepalive_timeout = |
8226 | *(uint16_t *)fnode_param->value; |
8227 | break; |
8228 | case ISCSI_FLASHNODE_ISID: |
8229 | memcpy(fnode_sess->isid, fnode_param->value, |
8230 | sizeof(fnode_sess->isid)); |
8231 | break; |
8232 | case ISCSI_FLASHNODE_TSID: |
8233 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; |
8234 | break; |
8235 | case ISCSI_FLASHNODE_PORT: |
8236 | fnode_conn->port = *(uint16_t *)fnode_param->value; |
8237 | break; |
8238 | case ISCSI_FLASHNODE_MAX_BURST: |
8239 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; |
8240 | break; |
8241 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
8242 | fnode_sess->default_taskmgmt_timeout = |
8243 | *(uint16_t *)fnode_param->value; |
8244 | break; |
8245 | case ISCSI_FLASHNODE_IPADDR: |
8246 | memcpy(fnode_conn->ipaddress, fnode_param->value, |
8247 | IPv6_ADDR_LEN); |
8248 | break; |
8249 | case ISCSI_FLASHNODE_ALIAS: |
8250 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, |
8251 | (char *)fnode_param->value); |
8252 | break; |
8253 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
8254 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, |
8255 | IPv6_ADDR_LEN); |
8256 | break; |
8257 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
8258 | fnode_conn->max_segment_size = |
8259 | *(unsigned *)fnode_param->value; |
8260 | break; |
8261 | case ISCSI_FLASHNODE_LOCAL_PORT: |
8262 | fnode_conn->local_port = |
8263 | *(uint16_t *)fnode_param->value; |
8264 | break; |
8265 | case ISCSI_FLASHNODE_IPV4_TOS: |
8266 | fnode_conn->ipv4_tos = fnode_param->value[0]; |
8267 | break; |
8268 | case ISCSI_FLASHNODE_IPV6_TC: |
8269 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; |
8270 | break; |
8271 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
8272 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; |
8273 | break; |
8274 | case ISCSI_FLASHNODE_NAME: |
8275 | rc = iscsi_switch_str_param(&fnode_sess->targetname, |
8276 | (char *)fnode_param->value); |
8277 | break; |
8278 | case ISCSI_FLASHNODE_TPGT: |
8279 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; |
8280 | break; |
8281 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
8282 | memcpy(fnode_conn->link_local_ipv6_addr, |
8283 | fnode_param->value, IPv6_ADDR_LEN); |
8284 | break; |
8285 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
8286 | fnode_sess->discovery_parent_idx = |
8287 | *(uint16_t *)fnode_param->value; |
8288 | break; |
8289 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
8290 | fnode_conn->tcp_xmit_wsf = |
8291 | *(uint8_t *)fnode_param->value; |
8292 | break; |
8293 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
8294 | fnode_conn->tcp_recv_wsf = |
8295 | *(uint8_t *)fnode_param->value; |
8296 | break; |
8297 | case ISCSI_FLASHNODE_STATSN: |
8298 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; |
8299 | break; |
8300 | case ISCSI_FLASHNODE_EXP_STATSN: |
8301 | fnode_conn->exp_statsn = |
8302 | *(uint32_t *)fnode_param->value; |
8303 | break; |
8304 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
8305 | chap_out_idx = *(uint16_t *)fnode_param->value; |
8306 | if (!qla4xxx_get_uni_chap_at_index(ha, |
8307 | username: chap_tbl.name, |
8308 | password: chap_tbl.secret, |
8309 | chap_index: chap_out_idx)) { |
8310 | fnode_sess->chap_out_idx = chap_out_idx; |
8311 | /* Enable chap auth if chap index is valid */ |
8312 | fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; |
8313 | } |
8314 | break; |
8315 | default: |
8316 | ql4_printk(KERN_ERR, ha, |
8317 | "%s: No such sysfs attribute\n" , __func__); |
8318 | rc = -ENOSYS; |
8319 | goto exit_set_param; |
8320 | } |
8321 | } |
8322 | |
8323 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); |
8324 | |
8325 | exit_set_param: |
8326 | return rc; |
8327 | } |
8328 | |
8329 | /** |
8330 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry |
8331 | * @fnode_sess: pointer to session attrs of flash ddb entry |
8332 | * |
8333 | * This invalidates the flash ddb entry at the given index |
8334 | **/ |
8335 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) |
8336 | { |
8337 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
8338 | struct scsi_qla_host *ha = to_qla_host(shost); |
8339 | uint32_t dev_db_start_offset; |
8340 | uint32_t dev_db_end_offset; |
8341 | struct dev_db_entry *fw_ddb_entry = NULL; |
8342 | dma_addr_t fw_ddb_entry_dma; |
8343 | uint16_t *ddb_cookie = NULL; |
8344 | size_t ddb_size = 0; |
8345 | void *pddb = NULL; |
8346 | int target_id; |
8347 | int rc = 0; |
8348 | |
8349 | if (fnode_sess->is_boot_target) { |
8350 | rc = -EPERM; |
8351 | DEBUG2(ql4_printk(KERN_ERR, ha, |
8352 | "%s: Deletion of boot target entry is not permitted.\n" , |
8353 | __func__)); |
8354 | goto exit_ddb_del; |
8355 | } |
8356 | |
8357 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) |
8358 | goto sysfs_ddb_del; |
8359 | |
8360 | if (is_qla40XX(ha)) { |
8361 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
8362 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
8363 | dev_db_start_offset += (fnode_sess->target_id * |
8364 | sizeof(*fw_ddb_entry)); |
8365 | ddb_size = sizeof(*fw_ddb_entry); |
8366 | } else { |
8367 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + |
8368 | (ha->hw.flt_region_ddb << 2); |
8369 | /* flt_ddb_size is DDB table size for both ports |
8370 | * so divide it by 2 to calculate the offset for second port |
8371 | */ |
8372 | if (ha->port_num == 1) |
8373 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); |
8374 | |
8375 | dev_db_end_offset = dev_db_start_offset + |
8376 | (ha->hw.flt_ddb_size / 2); |
8377 | |
8378 | dev_db_start_offset += (fnode_sess->target_id * |
8379 | sizeof(*fw_ddb_entry)); |
8380 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
8381 | |
8382 | ddb_size = sizeof(*ddb_cookie); |
8383 | } |
8384 | |
8385 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n" , |
8386 | __func__, dev_db_start_offset, dev_db_end_offset)); |
8387 | |
8388 | if (dev_db_start_offset > dev_db_end_offset) { |
8389 | rc = -EIO; |
8390 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n" , |
8391 | __func__, fnode_sess->target_id)); |
8392 | goto exit_ddb_del; |
8393 | } |
8394 | |
8395 | pddb = dma_alloc_coherent(dev: &ha->pdev->dev, size: ddb_size, |
8396 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
8397 | if (!pddb) { |
8398 | rc = -ENOMEM; |
8399 | DEBUG2(ql4_printk(KERN_ERR, ha, |
8400 | "%s: Unable to allocate dma buffer\n" , |
8401 | __func__)); |
8402 | goto exit_ddb_del; |
8403 | } |
8404 | |
8405 | if (is_qla40XX(ha)) { |
8406 | fw_ddb_entry = pddb; |
8407 | memset(fw_ddb_entry, 0, ddb_size); |
8408 | ddb_cookie = &fw_ddb_entry->cookie; |
8409 | } else { |
8410 | ddb_cookie = pddb; |
8411 | } |
8412 | |
8413 | /* invalidate the cookie */ |
8414 | *ddb_cookie = 0xFFEE; |
8415 | qla4xxx_set_flash(ha, dma_addr: fw_ddb_entry_dma, offset: dev_db_start_offset, |
8416 | length: ddb_size, FLASH_OPT_RMW_COMMIT); |
8417 | |
8418 | sysfs_ddb_del: |
8419 | target_id = fnode_sess->target_id; |
8420 | iscsi_destroy_flashnode_sess(fnode_sess); |
8421 | ql4_printk(KERN_INFO, ha, |
8422 | "%s: session and conn entries for flashnode %u of host %lu deleted\n" , |
8423 | __func__, target_id, ha->host_no); |
8424 | exit_ddb_del: |
8425 | if (pddb) |
8426 | dma_free_coherent(dev: &ha->pdev->dev, size: ddb_size, cpu_addr: pddb, |
8427 | dma_handle: fw_ddb_entry_dma); |
8428 | return rc; |
8429 | } |
8430 | |
8431 | /** |
8432 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs |
8433 | * @ha: pointer to adapter structure |
8434 | * |
8435 | * Export the firmware DDB for all send targets and normal targets to sysfs. |
8436 | **/ |
8437 | int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) |
8438 | { |
8439 | struct dev_db_entry *fw_ddb_entry = NULL; |
8440 | dma_addr_t fw_ddb_entry_dma; |
8441 | uint16_t max_ddbs; |
8442 | uint16_t idx = 0; |
8443 | int ret = QLA_SUCCESS; |
8444 | |
8445 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, |
8446 | size: sizeof(*fw_ddb_entry), |
8447 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
8448 | if (!fw_ddb_entry) { |
8449 | DEBUG2(ql4_printk(KERN_ERR, ha, |
8450 | "%s: Unable to allocate dma buffer\n" , |
8451 | __func__)); |
8452 | return -ENOMEM; |
8453 | } |
8454 | |
8455 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
8456 | MAX_DEV_DB_ENTRIES; |
8457 | |
8458 | for (idx = 0; idx < max_ddbs; idx++) { |
8459 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, |
8460 | ddb_index: idx)) |
8461 | continue; |
8462 | |
8463 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, idx: &idx, user: 0); |
8464 | if (ret) { |
8465 | ret = -EIO; |
8466 | break; |
8467 | } |
8468 | } |
8469 | |
8470 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), cpu_addr: fw_ddb_entry, |
8471 | dma_handle: fw_ddb_entry_dma); |
8472 | |
8473 | return ret; |
8474 | } |
8475 | |
8476 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) |
8477 | { |
8478 | iscsi_destroy_all_flashnode(shost: ha->host); |
8479 | } |
8480 | |
8481 | /** |
8482 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions |
8483 | * @ha: pointer to adapter structure |
8484 | * @is_reset: Is this init path or reset path |
8485 | * |
8486 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets |
8487 | * using connection open, then create the list of normal targets (nt) |
8488 | * from firmware DDBs. Based on the list of nt setup session and connection |
8489 | * objects. |
8490 | **/ |
8491 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) |
8492 | { |
8493 | uint16_t tmo = 0; |
8494 | struct list_head list_st, list_nt; |
8495 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; |
8496 | unsigned long wtime; |
8497 | |
8498 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
8499 | set_bit(AF_BUILD_DDB_LIST, addr: &ha->flags); |
8500 | ha->is_reset = is_reset; |
8501 | return; |
8502 | } |
8503 | |
8504 | INIT_LIST_HEAD(list: &list_st); |
8505 | INIT_LIST_HEAD(list: &list_nt); |
8506 | |
8507 | qla4xxx_build_st_list(ha, list_st: &list_st); |
8508 | |
8509 | /* Before issuing conn open mbox, ensure all IPs states are configured |
8510 | * Note, conn open fails if IPs are not configured |
8511 | */ |
8512 | qla4xxx_wait_for_ip_configuration(ha); |
8513 | |
8514 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ |
8515 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { |
8516 | qla4xxx_conn_open(ha, fw_ddb_index: st_ddb_idx->fw_ddb_idx); |
8517 | } |
8518 | |
8519 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ |
8520 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
8521 | (ha->def_timeout < LOGIN_TOV * 10) ? |
8522 | ha->def_timeout : LOGIN_TOV); |
8523 | |
8524 | DEBUG2(ql4_printk(KERN_INFO, ha, |
8525 | "Default time to wait for build ddb %d\n" , tmo)); |
8526 | |
8527 | wtime = jiffies + (HZ * tmo); |
8528 | do { |
8529 | if (list_empty(head: &list_st)) |
8530 | break; |
8531 | |
8532 | qla4xxx_remove_failed_ddb(ha, list_ddb: &list_st); |
8533 | schedule_timeout_uninterruptible(HZ / 10); |
8534 | } while (time_after(wtime, jiffies)); |
8535 | |
8536 | |
8537 | qla4xxx_build_nt_list(ha, list_nt: &list_nt, list_st: &list_st, is_reset); |
8538 | |
8539 | qla4xxx_free_ddb_list(list_ddb: &list_st); |
8540 | qla4xxx_free_ddb_list(list_ddb: &list_nt); |
8541 | |
8542 | qla4xxx_free_ddb_index(ha); |
8543 | } |
8544 | |
8545 | /** |
8546 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login |
8547 | * response. |
8548 | * @ha: pointer to adapter structure |
8549 | * |
8550 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be |
8551 | * set in DDB and we will wait for login response of boot targets during |
8552 | * probe. |
8553 | **/ |
8554 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) |
8555 | { |
8556 | struct ddb_entry *ddb_entry; |
8557 | struct dev_db_entry *fw_ddb_entry = NULL; |
8558 | dma_addr_t fw_ddb_entry_dma; |
8559 | unsigned long wtime; |
8560 | uint32_t ddb_state; |
8561 | int max_ddbs, idx, ret; |
8562 | |
8563 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
8564 | MAX_DEV_DB_ENTRIES; |
8565 | |
8566 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
8567 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
8568 | if (!fw_ddb_entry) { |
8569 | ql4_printk(KERN_ERR, ha, |
8570 | "%s: Unable to allocate dma buffer\n" , __func__); |
8571 | goto exit_login_resp; |
8572 | } |
8573 | |
8574 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); |
8575 | |
8576 | for (idx = 0; idx < max_ddbs; idx++) { |
8577 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index: idx); |
8578 | if (ddb_entry == NULL) |
8579 | continue; |
8580 | |
8581 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
8582 | DEBUG2(ql4_printk(KERN_INFO, ha, |
8583 | "%s: DDB index [%d]\n" , __func__, |
8584 | ddb_entry->fw_ddb_index)); |
8585 | do { |
8586 | ret = qla4xxx_get_fwddb_entry(ha, |
8587 | fw_ddb_index: ddb_entry->fw_ddb_index, |
8588 | fw_ddb_entry, fw_ddb_entry_dma, |
8589 | NULL, NULL, fw_ddb_device_state: &ddb_state, NULL, |
8590 | NULL, NULL); |
8591 | if (ret == QLA_ERROR) |
8592 | goto exit_login_resp; |
8593 | |
8594 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || |
8595 | (ddb_state == DDB_DS_SESSION_FAILED)) |
8596 | break; |
8597 | |
8598 | schedule_timeout_uninterruptible(HZ); |
8599 | |
8600 | } while ((time_after(wtime, jiffies))); |
8601 | |
8602 | if (!time_after(wtime, jiffies)) { |
8603 | DEBUG2(ql4_printk(KERN_INFO, ha, |
8604 | "%s: Login response wait timer expired\n" , |
8605 | __func__)); |
8606 | goto exit_login_resp; |
8607 | } |
8608 | } |
8609 | } |
8610 | |
8611 | exit_login_resp: |
8612 | if (fw_ddb_entry) |
8613 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
8614 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
8615 | } |
8616 | |
8617 | /** |
8618 | * qla4xxx_probe_adapter - callback function to probe HBA |
8619 | * @pdev: pointer to pci_dev structure |
8620 | * @ent: pointer to pci_device entry |
8621 | * |
8622 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. |
8623 | * It returns zero if successful. It also initializes all data necessary for |
8624 | * the driver. |
8625 | **/ |
8626 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, |
8627 | const struct pci_device_id *ent) |
8628 | { |
8629 | int ret = -ENODEV, status; |
8630 | struct Scsi_Host *host; |
8631 | struct scsi_qla_host *ha; |
8632 | uint8_t init_retry_count = 0; |
8633 | char buf[34]; |
8634 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; |
8635 | uint32_t dev_state; |
8636 | |
8637 | if (pci_enable_device(dev: pdev)) |
8638 | return -1; |
8639 | |
8640 | host = iscsi_host_alloc(sht: &qla4xxx_driver_template, dd_data_size: sizeof(*ha), xmit_can_sleep: 0); |
8641 | if (host == NULL) { |
8642 | printk(KERN_WARNING |
8643 | "qla4xxx: Couldn't allocate host from scsi layer!\n" ); |
8644 | goto probe_disable_device; |
8645 | } |
8646 | |
8647 | /* Clear our data area */ |
8648 | ha = to_qla_host(shost: host); |
8649 | memset(ha, 0, sizeof(*ha)); |
8650 | |
8651 | /* Save the information from PCI BIOS. */ |
8652 | ha->pdev = pdev; |
8653 | ha->host = host; |
8654 | ha->host_no = host->host_no; |
8655 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
8656 | |
8657 | /* Setup Runtime configurable options */ |
8658 | if (is_qla8022(ha)) { |
8659 | ha->isp_ops = &qla4_82xx_isp_ops; |
8660 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
8661 | ha->qdr_sn_window = -1; |
8662 | ha->ddr_mn_window = -1; |
8663 | ha->curr_window = 255; |
8664 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
8665 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; |
8666 | ha->nx_legacy_intr.tgt_status_reg = |
8667 | nx_legacy_intr->tgt_status_reg; |
8668 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; |
8669 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; |
8670 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
8671 | ha->isp_ops = &qla4_83xx_isp_ops; |
8672 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; |
8673 | } else { |
8674 | ha->isp_ops = &qla4xxx_isp_ops; |
8675 | } |
8676 | |
8677 | if (is_qla80XX(ha)) { |
8678 | rwlock_init(&ha->hw_lock); |
8679 | ha->pf_bit = ha->func_num << 16; |
8680 | /* Set EEH reset type to fundamental if required by hba */ |
8681 | pdev->needs_freset = 1; |
8682 | } |
8683 | |
8684 | /* Configure PCI I/O space. */ |
8685 | ret = ha->isp_ops->iospace_config(ha); |
8686 | if (ret) |
8687 | goto probe_failed_ioconfig; |
8688 | |
8689 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n" , |
8690 | pdev->device, pdev->irq, ha->reg); |
8691 | |
8692 | qla4xxx_config_dma_addressing(ha); |
8693 | |
8694 | /* Initialize lists and spinlocks. */ |
8695 | INIT_LIST_HEAD(list: &ha->free_srb_q); |
8696 | |
8697 | mutex_init(&ha->mbox_sem); |
8698 | mutex_init(&ha->chap_sem); |
8699 | init_completion(x: &ha->mbx_intr_comp); |
8700 | init_completion(x: &ha->disable_acb_comp); |
8701 | init_completion(x: &ha->idc_comp); |
8702 | init_completion(x: &ha->link_up_comp); |
8703 | |
8704 | spin_lock_init(&ha->hardware_lock); |
8705 | spin_lock_init(&ha->work_lock); |
8706 | |
8707 | /* Initialize work list */ |
8708 | INIT_LIST_HEAD(list: &ha->work_list); |
8709 | |
8710 | /* Allocate dma buffers */ |
8711 | if (qla4xxx_mem_alloc(ha)) { |
8712 | ql4_printk(KERN_WARNING, ha, |
8713 | "[ERROR] Failed to allocate memory for adapter\n" ); |
8714 | |
8715 | ret = -ENOMEM; |
8716 | goto probe_failed; |
8717 | } |
8718 | |
8719 | host->cmd_per_lun = 3; |
8720 | host->max_channel = 0; |
8721 | host->max_lun = MAX_LUNS - 1; |
8722 | host->max_id = MAX_TARGETS; |
8723 | host->max_cmd_len = IOCB_MAX_CDB_LEN; |
8724 | host->can_queue = MAX_SRBS ; |
8725 | host->transportt = qla4xxx_scsi_transport; |
8726 | |
8727 | pci_set_drvdata(pdev, data: ha); |
8728 | |
8729 | ret = scsi_add_host(host, dev: &pdev->dev); |
8730 | if (ret) |
8731 | goto probe_failed; |
8732 | |
8733 | if (is_qla80XX(ha)) |
8734 | qla4_8xxx_get_flash_info(ha); |
8735 | |
8736 | if (is_qla8032(ha) || is_qla8042(ha)) { |
8737 | qla4_83xx_read_reset_template(ha); |
8738 | /* |
8739 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. |
8740 | * If DONRESET_BIT0 is set, drivers should not set dev_state |
8741 | * to NEED_RESET. But if NEED_RESET is set, drivers should |
8742 | * should honor the reset. |
8743 | */ |
8744 | if (ql4xdontresethba == 1) |
8745 | qla4_83xx_set_idc_dontreset(ha); |
8746 | } |
8747 | |
8748 | /* |
8749 | * Initialize the Host adapter request/response queues and |
8750 | * firmware |
8751 | * NOTE: interrupts enabled upon successful completion |
8752 | */ |
8753 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
8754 | |
8755 | /* Dont retry adapter initialization if IRQ allocation failed */ |
8756 | if (is_qla80XX(ha) && (status == QLA_ERROR)) |
8757 | goto skip_retry_init; |
8758 | |
8759 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
8760 | init_retry_count++ < MAX_INIT_RETRIES) { |
8761 | |
8762 | if (is_qla80XX(ha)) { |
8763 | ha->isp_ops->idc_lock(ha); |
8764 | dev_state = qla4_8xxx_rd_direct(ha, |
8765 | crb_reg: QLA8XXX_CRB_DEV_STATE); |
8766 | ha->isp_ops->idc_unlock(ha); |
8767 | if (dev_state == QLA8XXX_DEV_FAILED) { |
8768 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
8769 | "initialize adapter. H/W is in failed state\n" , |
8770 | __func__); |
8771 | break; |
8772 | } |
8773 | } |
8774 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
8775 | "(%d)\n" , __func__, init_retry_count)); |
8776 | |
8777 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) |
8778 | continue; |
8779 | |
8780 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
8781 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
8782 | if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) |
8783 | goto skip_retry_init; |
8784 | } |
8785 | } |
8786 | |
8787 | skip_retry_init: |
8788 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
8789 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n" ); |
8790 | |
8791 | if ((is_qla8022(ha) && ql4xdontresethba) || |
8792 | ((is_qla8032(ha) || is_qla8042(ha)) && |
8793 | qla4_83xx_idc_dontreset(ha))) { |
8794 | /* Put the device in failed state. */ |
8795 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n" )); |
8796 | ha->isp_ops->idc_lock(ha); |
8797 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
8798 | QLA8XXX_DEV_FAILED); |
8799 | ha->isp_ops->idc_unlock(ha); |
8800 | } |
8801 | ret = -ENODEV; |
8802 | goto remove_host; |
8803 | } |
8804 | |
8805 | /* Startup the kernel thread for this host adapter. */ |
8806 | DEBUG2(printk("scsi: %s: Starting kernel thread for " |
8807 | "qla4xxx_dpc\n" , __func__)); |
8808 | sprintf(buf, fmt: "qla4xxx_%lu_dpc" , ha->host_no); |
8809 | ha->dpc_thread = create_singlethread_workqueue(buf); |
8810 | if (!ha->dpc_thread) { |
8811 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n" ); |
8812 | ret = -ENODEV; |
8813 | goto remove_host; |
8814 | } |
8815 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
8816 | |
8817 | ha->task_wq = alloc_workqueue(fmt: "qla4xxx_%lu_task" , flags: WQ_MEM_RECLAIM, max_active: 1, |
8818 | ha->host_no); |
8819 | if (!ha->task_wq) { |
8820 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n" ); |
8821 | ret = -ENODEV; |
8822 | goto remove_host; |
8823 | } |
8824 | |
8825 | /* |
8826 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc |
8827 | * (which is called indirectly by qla4xxx_initialize_adapter), |
8828 | * so that irqs will be registered after crbinit but before |
8829 | * mbx_intr_enable. |
8830 | */ |
8831 | if (is_qla40XX(ha)) { |
8832 | ret = qla4xxx_request_irqs(ha); |
8833 | if (ret) { |
8834 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " |
8835 | "interrupt %d already in use.\n" , pdev->irq); |
8836 | goto remove_host; |
8837 | } |
8838 | } |
8839 | |
8840 | pci_save_state(dev: ha->pdev); |
8841 | ha->isp_ops->enable_intrs(ha); |
8842 | |
8843 | /* Start timer thread. */ |
8844 | qla4xxx_start_timer(ha, interval: 1); |
8845 | |
8846 | set_bit(AF_INIT_DONE, addr: &ha->flags); |
8847 | |
8848 | qla4_8xxx_alloc_sysfs_attr(ha); |
8849 | |
8850 | printk(KERN_INFO |
8851 | " QLogic iSCSI HBA Driver version: %s\n" |
8852 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n" , |
8853 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), |
8854 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
8855 | ha->fw_info.fw_patch, ha->fw_info.fw_build); |
8856 | |
8857 | /* Set the driver version */ |
8858 | if (is_qla80XX(ha)) |
8859 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); |
8860 | |
8861 | if (qla4xxx_setup_boot_info(ha)) |
8862 | ql4_printk(KERN_ERR, ha, |
8863 | "%s: No iSCSI boot target configured\n" , __func__); |
8864 | |
8865 | set_bit(DPC_SYSFS_DDB_EXPORT, addr: &ha->dpc_flags); |
8866 | /* Perform the build ddb list and login to each */ |
8867 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); |
8868 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_login_flash_ddb); |
8869 | qla4xxx_wait_login_resp_boot_tgt(ha); |
8870 | |
8871 | qla4xxx_create_chap_list(ha); |
8872 | |
8873 | qla4xxx_create_ifaces(ha); |
8874 | return 0; |
8875 | |
8876 | remove_host: |
8877 | scsi_remove_host(ha->host); |
8878 | |
8879 | probe_failed: |
8880 | qla4xxx_free_adapter(ha); |
8881 | |
8882 | probe_failed_ioconfig: |
8883 | scsi_host_put(t: ha->host); |
8884 | |
8885 | probe_disable_device: |
8886 | pci_disable_device(dev: pdev); |
8887 | |
8888 | return ret; |
8889 | } |
8890 | |
8891 | /** |
8892 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize |
8893 | * @ha: pointer to adapter structure |
8894 | * |
8895 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, |
8896 | * so that the other port will not re-initialize while in the process of |
8897 | * removing the ha due to driver unload or hba hotplug. |
8898 | **/ |
8899 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) |
8900 | { |
8901 | struct scsi_qla_host *other_ha = NULL; |
8902 | struct pci_dev *other_pdev = NULL; |
8903 | int fn = ISP4XXX_PCI_FN_2; |
8904 | |
8905 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ |
8906 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) |
8907 | fn = ISP4XXX_PCI_FN_1; |
8908 | |
8909 | other_pdev = |
8910 | pci_get_domain_bus_and_slot(domain: pci_domain_nr(bus: ha->pdev->bus), |
8911 | bus: ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
8912 | fn)); |
8913 | |
8914 | /* Get other_ha if other_pdev is valid and state is enable*/ |
8915 | if (other_pdev) { |
8916 | if (atomic_read(v: &other_pdev->enable_cnt)) { |
8917 | other_ha = pci_get_drvdata(pdev: other_pdev); |
8918 | if (other_ha) { |
8919 | set_bit(AF_HA_REMOVAL, addr: &other_ha->flags); |
8920 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " |
8921 | "Prevent %s reinit\n" , __func__, |
8922 | dev_name(&other_ha->pdev->dev))); |
8923 | } |
8924 | } |
8925 | pci_dev_put(dev: other_pdev); |
8926 | } |
8927 | } |
8928 | |
8929 | static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, |
8930 | struct ddb_entry *ddb_entry) |
8931 | { |
8932 | struct dev_db_entry *fw_ddb_entry = NULL; |
8933 | dma_addr_t fw_ddb_entry_dma; |
8934 | unsigned long wtime; |
8935 | uint32_t ddb_state; |
8936 | int options; |
8937 | int status; |
8938 | |
8939 | options = LOGOUT_OPTION_CLOSE_SESSION; |
8940 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { |
8941 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n" , __func__); |
8942 | goto clear_ddb; |
8943 | } |
8944 | |
8945 | fw_ddb_entry = dma_alloc_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
8946 | dma_handle: &fw_ddb_entry_dma, GFP_KERNEL); |
8947 | if (!fw_ddb_entry) { |
8948 | ql4_printk(KERN_ERR, ha, |
8949 | "%s: Unable to allocate dma buffer\n" , __func__); |
8950 | goto clear_ddb; |
8951 | } |
8952 | |
8953 | wtime = jiffies + (HZ * LOGOUT_TOV); |
8954 | do { |
8955 | status = qla4xxx_get_fwddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index, |
8956 | fw_ddb_entry, fw_ddb_entry_dma, |
8957 | NULL, NULL, fw_ddb_device_state: &ddb_state, NULL, |
8958 | NULL, NULL); |
8959 | if (status == QLA_ERROR) |
8960 | goto free_ddb; |
8961 | |
8962 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
8963 | (ddb_state == DDB_DS_SESSION_FAILED)) |
8964 | goto free_ddb; |
8965 | |
8966 | schedule_timeout_uninterruptible(HZ); |
8967 | } while ((time_after(wtime, jiffies))); |
8968 | |
8969 | free_ddb: |
8970 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(*fw_ddb_entry), |
8971 | cpu_addr: fw_ddb_entry, dma_handle: fw_ddb_entry_dma); |
8972 | clear_ddb: |
8973 | qla4xxx_clear_ddb_entry(ha, fw_ddb_index: ddb_entry->fw_ddb_index); |
8974 | } |
8975 | |
8976 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
8977 | { |
8978 | struct ddb_entry *ddb_entry; |
8979 | int idx; |
8980 | |
8981 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
8982 | |
8983 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index: idx); |
8984 | if ((ddb_entry != NULL) && |
8985 | (ddb_entry->ddb_type == FLASH_DDB)) { |
8986 | |
8987 | qla4xxx_destroy_ddb(ha, ddb_entry); |
8988 | /* |
8989 | * we have decremented the reference count of the driver |
8990 | * when we setup the session to have the driver unload |
8991 | * to be seamless without actually destroying the |
8992 | * session |
8993 | **/ |
8994 | try_module_get(module: qla4xxx_iscsi_transport.owner); |
8995 | iscsi_destroy_endpoint(ep: ddb_entry->conn->ep); |
8996 | qla4xxx_free_ddb(ha, ddb_entry); |
8997 | iscsi_session_teardown(ddb_entry->sess); |
8998 | } |
8999 | } |
9000 | } |
9001 | /** |
9002 | * qla4xxx_remove_adapter - callback function to remove adapter. |
9003 | * @pdev: PCI device pointer |
9004 | **/ |
9005 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
9006 | { |
9007 | struct scsi_qla_host *ha; |
9008 | |
9009 | /* |
9010 | * If the PCI device is disabled then it means probe_adapter had |
9011 | * failed and resources already cleaned up on probe_adapter exit. |
9012 | */ |
9013 | if (!pci_is_enabled(pdev)) |
9014 | return; |
9015 | |
9016 | ha = pci_get_drvdata(pdev); |
9017 | |
9018 | if (is_qla40XX(ha)) |
9019 | qla4xxx_prevent_other_port_reinit(ha); |
9020 | |
9021 | /* destroy iface from sysfs */ |
9022 | qla4xxx_destroy_ifaces(ha); |
9023 | |
9024 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
9025 | iscsi_boot_destroy_kset(boot_kset: ha->boot_kset); |
9026 | |
9027 | qla4xxx_destroy_fw_ddb_session(ha); |
9028 | qla4_8xxx_free_sysfs_attr(ha); |
9029 | |
9030 | qla4xxx_sysfs_ddb_remove(ha); |
9031 | scsi_remove_host(ha->host); |
9032 | |
9033 | qla4xxx_free_adapter(ha); |
9034 | |
9035 | scsi_host_put(t: ha->host); |
9036 | |
9037 | pci_disable_device(dev: pdev); |
9038 | } |
9039 | |
9040 | /** |
9041 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. |
9042 | * @ha: HA context |
9043 | */ |
9044 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
9045 | { |
9046 | /* Update our PCI device dma_mask for full 64 bit mask */ |
9047 | if (dma_set_mask_and_coherent(dev: &ha->pdev->dev, DMA_BIT_MASK(64))) { |
9048 | dev_dbg(&ha->pdev->dev, |
9049 | "Failed to set 64 bit PCI consistent mask; " |
9050 | "using 32 bit.\n" ); |
9051 | dma_set_mask_and_coherent(dev: &ha->pdev->dev, DMA_BIT_MASK(32)); |
9052 | } |
9053 | } |
9054 | |
9055 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) |
9056 | { |
9057 | struct iscsi_cls_session *cls_sess; |
9058 | struct iscsi_session *sess; |
9059 | struct ddb_entry *ddb; |
9060 | int queue_depth = QL4_DEF_QDEPTH; |
9061 | |
9062 | cls_sess = starget_to_session(sdev->sdev_target); |
9063 | sess = cls_sess->dd_data; |
9064 | ddb = sess->dd_data; |
9065 | |
9066 | sdev->hostdata = ddb; |
9067 | |
9068 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) |
9069 | queue_depth = ql4xmaxqdepth; |
9070 | |
9071 | scsi_change_queue_depth(sdev, queue_depth); |
9072 | return 0; |
9073 | } |
9074 | |
9075 | /** |
9076 | * qla4xxx_del_from_active_array - returns an active srb |
9077 | * @ha: Pointer to host adapter structure. |
9078 | * @index: index into the active_array |
9079 | * |
9080 | * This routine removes and returns the srb at the specified index |
9081 | **/ |
9082 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
9083 | uint32_t index) |
9084 | { |
9085 | struct srb *srb = NULL; |
9086 | struct scsi_cmnd *cmd = NULL; |
9087 | |
9088 | cmd = scsi_host_find_tag(shost: ha->host, tag: index); |
9089 | if (!cmd) |
9090 | return srb; |
9091 | |
9092 | srb = qla4xxx_cmd_priv(cmd)->srb; |
9093 | if (!srb) |
9094 | return srb; |
9095 | |
9096 | /* update counters */ |
9097 | if (srb->flags & SRB_DMA_VALID) { |
9098 | ha->iocb_cnt -= srb->iocb_cnt; |
9099 | if (srb->cmd) |
9100 | srb->cmd->host_scribble = |
9101 | (unsigned char *)(unsigned long) MAX_SRBS; |
9102 | } |
9103 | return srb; |
9104 | } |
9105 | |
9106 | /** |
9107 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware |
9108 | * @ha: Pointer to host adapter structure. |
9109 | * @cmd: Scsi Command to wait on. |
9110 | * |
9111 | * This routine waits for the command to be returned by the Firmware |
9112 | * for some max time. |
9113 | **/ |
9114 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, |
9115 | struct scsi_cmnd *cmd) |
9116 | { |
9117 | int done = 0; |
9118 | struct srb *rp; |
9119 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; |
9120 | int ret = SUCCESS; |
9121 | |
9122 | /* Dont wait on command if PCI error is being handled |
9123 | * by PCI AER driver |
9124 | */ |
9125 | if (unlikely(pci_channel_offline(ha->pdev)) || |
9126 | (test_bit(AF_EEH_BUSY, &ha->flags))) { |
9127 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n" , |
9128 | ha->host_no, __func__); |
9129 | return ret; |
9130 | } |
9131 | |
9132 | do { |
9133 | /* Checking to see if its returned to OS */ |
9134 | rp = qla4xxx_cmd_priv(cmd)->srb; |
9135 | if (rp == NULL) { |
9136 | done++; |
9137 | break; |
9138 | } |
9139 | |
9140 | msleep(msecs: 2000); |
9141 | } while (max_wait_time--); |
9142 | |
9143 | return done; |
9144 | } |
9145 | |
9146 | /** |
9147 | * qla4xxx_wait_for_hba_online - waits for HBA to come online |
9148 | * @ha: Pointer to host adapter structure |
9149 | **/ |
9150 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) |
9151 | { |
9152 | unsigned long wait_online; |
9153 | |
9154 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
9155 | while (time_before(jiffies, wait_online)) { |
9156 | |
9157 | if (adapter_up(ha)) |
9158 | return QLA_SUCCESS; |
9159 | |
9160 | msleep(msecs: 2000); |
9161 | } |
9162 | |
9163 | return QLA_ERROR; |
9164 | } |
9165 | |
9166 | /** |
9167 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
9168 | * @ha: pointer to HBA |
9169 | * @stgt: pointer to SCSI target |
9170 | * @sdev: pointer to SCSI device |
9171 | * |
9172 | * This function waits for all outstanding commands to a lun to complete. It |
9173 | * returns 0 if all pending commands are returned and 1 otherwise. |
9174 | **/ |
9175 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
9176 | struct scsi_target *stgt, |
9177 | struct scsi_device *sdev) |
9178 | { |
9179 | int cnt; |
9180 | int status = 0; |
9181 | struct scsi_cmnd *cmd; |
9182 | |
9183 | /* |
9184 | * Waiting for all commands for the designated target or dev |
9185 | * in the active array |
9186 | */ |
9187 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { |
9188 | cmd = scsi_host_find_tag(shost: ha->host, tag: cnt); |
9189 | if (cmd && stgt == scsi_target(sdev: cmd->device) && |
9190 | (!sdev || sdev == cmd->device)) { |
9191 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
9192 | status++; |
9193 | break; |
9194 | } |
9195 | } |
9196 | } |
9197 | return status; |
9198 | } |
9199 | |
9200 | /** |
9201 | * qla4xxx_eh_abort - callback for abort task. |
9202 | * @cmd: Pointer to Linux's SCSI command structure |
9203 | * |
9204 | * This routine is called by the Linux OS to abort the specified |
9205 | * command. |
9206 | **/ |
9207 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) |
9208 | { |
9209 | struct scsi_qla_host *ha = to_qla_host(shost: cmd->device->host); |
9210 | unsigned int id = cmd->device->id; |
9211 | uint64_t lun = cmd->device->lun; |
9212 | unsigned long flags; |
9213 | struct srb *srb = NULL; |
9214 | int ret = SUCCESS; |
9215 | int wait = 0; |
9216 | int rval; |
9217 | |
9218 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n" , |
9219 | ha->host_no, id, lun, cmd, cmd->cmnd[0]); |
9220 | |
9221 | rval = qla4xxx_isp_check_reg(ha); |
9222 | if (rval != QLA_SUCCESS) { |
9223 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n" ); |
9224 | return FAILED; |
9225 | } |
9226 | |
9227 | spin_lock_irqsave(&ha->hardware_lock, flags); |
9228 | srb = qla4xxx_cmd_priv(cmd)->srb; |
9229 | if (!srb) { |
9230 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
9231 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n" , |
9232 | ha->host_no, id, lun); |
9233 | return SUCCESS; |
9234 | } |
9235 | kref_get(kref: &srb->srb_ref); |
9236 | spin_unlock_irqrestore(lock: &ha->hardware_lock, flags); |
9237 | |
9238 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { |
9239 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n" , |
9240 | ha->host_no, id, lun)); |
9241 | ret = FAILED; |
9242 | } else { |
9243 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n" , |
9244 | ha->host_no, id, lun)); |
9245 | wait = 1; |
9246 | } |
9247 | |
9248 | kref_put(kref: &srb->srb_ref, release: qla4xxx_srb_compl); |
9249 | |
9250 | /* Wait for command to complete */ |
9251 | if (wait) { |
9252 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
9253 | DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n" , |
9254 | ha->host_no, id, lun)); |
9255 | ret = FAILED; |
9256 | } |
9257 | } |
9258 | |
9259 | ql4_printk(KERN_INFO, ha, |
9260 | "scsi%ld:%d:%llu: Abort command - %s\n" , |
9261 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed" ); |
9262 | |
9263 | return ret; |
9264 | } |
9265 | |
9266 | /** |
9267 | * qla4xxx_eh_device_reset - callback for target reset. |
9268 | * @cmd: Pointer to Linux's SCSI command structure |
9269 | * |
9270 | * This routine is called by the Linux OS to reset all luns on the |
9271 | * specified target. |
9272 | **/ |
9273 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) |
9274 | { |
9275 | struct scsi_qla_host *ha = to_qla_host(shost: cmd->device->host); |
9276 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
9277 | int ret = FAILED, stat; |
9278 | int rval; |
9279 | |
9280 | if (!ddb_entry) |
9281 | return ret; |
9282 | |
9283 | ret = iscsi_block_scsi_eh(cmd); |
9284 | if (ret) |
9285 | return ret; |
9286 | ret = FAILED; |
9287 | |
9288 | ql4_printk(KERN_INFO, ha, |
9289 | "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n" , ha->host_no, |
9290 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9291 | |
9292 | DEBUG2(printk(KERN_INFO |
9293 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," |
9294 | "dpc_flags=%lx, status=%x allowed=%d\n" , ha->host_no, |
9295 | cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ, |
9296 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9297 | |
9298 | rval = qla4xxx_isp_check_reg(ha); |
9299 | if (rval != QLA_SUCCESS) { |
9300 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n" ); |
9301 | return FAILED; |
9302 | } |
9303 | |
9304 | /* FIXME: wait for hba to go online */ |
9305 | stat = qla4xxx_reset_lun(ha, ddb_entry, lun: cmd->device->lun); |
9306 | if (stat != QLA_SUCCESS) { |
9307 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n" , stat); |
9308 | goto eh_dev_reset_done; |
9309 | } |
9310 | |
9311 | if (qla4xxx_eh_wait_for_commands(ha, stgt: scsi_target(sdev: cmd->device), |
9312 | sdev: cmd->device)) { |
9313 | ql4_printk(KERN_INFO, ha, |
9314 | "DEVICE RESET FAILED - waiting for " |
9315 | "commands.\n" ); |
9316 | goto eh_dev_reset_done; |
9317 | } |
9318 | |
9319 | /* Send marker. */ |
9320 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, lun: cmd->device->lun, |
9321 | MM_LUN_RESET) != QLA_SUCCESS) |
9322 | goto eh_dev_reset_done; |
9323 | |
9324 | ql4_printk(KERN_INFO, ha, |
9325 | "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n" , |
9326 | ha->host_no, cmd->device->channel, cmd->device->id, |
9327 | cmd->device->lun); |
9328 | |
9329 | ret = SUCCESS; |
9330 | |
9331 | eh_dev_reset_done: |
9332 | |
9333 | return ret; |
9334 | } |
9335 | |
9336 | /** |
9337 | * qla4xxx_eh_target_reset - callback for target reset. |
9338 | * @cmd: Pointer to Linux's SCSI command structure |
9339 | * |
9340 | * This routine is called by the Linux OS to reset the target. |
9341 | **/ |
9342 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) |
9343 | { |
9344 | struct scsi_qla_host *ha = to_qla_host(shost: cmd->device->host); |
9345 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
9346 | int stat, ret; |
9347 | int rval; |
9348 | |
9349 | if (!ddb_entry) |
9350 | return FAILED; |
9351 | |
9352 | ret = iscsi_block_scsi_eh(cmd); |
9353 | if (ret) |
9354 | return ret; |
9355 | |
9356 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9357 | "WARM TARGET RESET ISSUED.\n" ); |
9358 | |
9359 | DEBUG2(printk(KERN_INFO |
9360 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " |
9361 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n" , |
9362 | ha->host_no, cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ, |
9363 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9364 | |
9365 | rval = qla4xxx_isp_check_reg(ha); |
9366 | if (rval != QLA_SUCCESS) { |
9367 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n" ); |
9368 | return FAILED; |
9369 | } |
9370 | |
9371 | stat = qla4xxx_reset_target(ha, ddb_entry); |
9372 | if (stat != QLA_SUCCESS) { |
9373 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9374 | "WARM TARGET RESET FAILED.\n" ); |
9375 | return FAILED; |
9376 | } |
9377 | |
9378 | if (qla4xxx_eh_wait_for_commands(ha, stgt: scsi_target(sdev: cmd->device), |
9379 | NULL)) { |
9380 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9381 | "WARM TARGET DEVICE RESET FAILED - " |
9382 | "waiting for commands.\n" ); |
9383 | return FAILED; |
9384 | } |
9385 | |
9386 | /* Send marker. */ |
9387 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, lun: cmd->device->lun, |
9388 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { |
9389 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9390 | "WARM TARGET DEVICE RESET FAILED - " |
9391 | "marker iocb failed.\n" ); |
9392 | return FAILED; |
9393 | } |
9394 | |
9395 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9396 | "WARM TARGET RESET SUCCEEDED.\n" ); |
9397 | return SUCCESS; |
9398 | } |
9399 | |
9400 | /** |
9401 | * qla4xxx_is_eh_active - check if error handler is running |
9402 | * @shost: Pointer to SCSI Host struct |
9403 | * |
9404 | * This routine finds that if reset host is called in EH |
9405 | * scenario or from some application like sg_reset |
9406 | **/ |
9407 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) |
9408 | { |
9409 | if (shost->shost_state == SHOST_RECOVERY) |
9410 | return 1; |
9411 | return 0; |
9412 | } |
9413 | |
9414 | /** |
9415 | * qla4xxx_eh_host_reset - kernel callback |
9416 | * @cmd: Pointer to Linux's SCSI command structure |
9417 | * |
9418 | * This routine is invoked by the Linux kernel to perform fatal error |
9419 | * recovery on the specified adapter. |
9420 | **/ |
9421 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) |
9422 | { |
9423 | int return_status = FAILED; |
9424 | struct scsi_qla_host *ha; |
9425 | int rval; |
9426 | |
9427 | ha = to_qla_host(shost: cmd->device->host); |
9428 | |
9429 | rval = qla4xxx_isp_check_reg(ha); |
9430 | if (rval != QLA_SUCCESS) { |
9431 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n" ); |
9432 | return FAILED; |
9433 | } |
9434 | |
9435 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
9436 | qla4_83xx_set_idc_dontreset(ha); |
9437 | |
9438 | /* |
9439 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
9440 | * protocol drivers, we should not set device_state to NEED_RESET |
9441 | */ |
9442 | if (ql4xdontresethba || |
9443 | ((is_qla8032(ha) || is_qla8042(ha)) && |
9444 | qla4_83xx_idc_dontreset(ha))) { |
9445 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n" , |
9446 | ha->host_no, __func__)); |
9447 | |
9448 | /* Clear outstanding srb in queues */ |
9449 | if (qla4xxx_is_eh_active(shost: cmd->device->host)) |
9450 | qla4xxx_abort_active_cmds(ha, res: DID_ABORT << 16); |
9451 | |
9452 | return FAILED; |
9453 | } |
9454 | |
9455 | ql4_printk(KERN_INFO, ha, |
9456 | "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n" , ha->host_no, |
9457 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9458 | |
9459 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { |
9460 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " |
9461 | "DEAD.\n" , ha->host_no, cmd->device->channel, |
9462 | __func__)); |
9463 | |
9464 | return FAILED; |
9465 | } |
9466 | |
9467 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
9468 | if (is_qla80XX(ha)) |
9469 | set_bit(DPC_RESET_HA_FW_CONTEXT, addr: &ha->dpc_flags); |
9470 | else |
9471 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
9472 | } |
9473 | |
9474 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
9475 | return_status = SUCCESS; |
9476 | |
9477 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n" , |
9478 | return_status == FAILED ? "FAILED" : "SUCCEEDED" ); |
9479 | |
9480 | return return_status; |
9481 | } |
9482 | |
9483 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
9484 | { |
9485 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
9486 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
9487 | struct addr_ctrl_blk_def *acb = NULL; |
9488 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); |
9489 | int rval = QLA_SUCCESS; |
9490 | dma_addr_t acb_dma; |
9491 | |
9492 | acb = dma_alloc_coherent(dev: &ha->pdev->dev, |
9493 | size: sizeof(struct addr_ctrl_blk_def), |
9494 | dma_handle: &acb_dma, GFP_KERNEL); |
9495 | if (!acb) { |
9496 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n" , |
9497 | __func__); |
9498 | rval = -ENOMEM; |
9499 | goto exit_port_reset; |
9500 | } |
9501 | |
9502 | memset(acb, 0, acb_len); |
9503 | |
9504 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, len: acb_len); |
9505 | if (rval != QLA_SUCCESS) { |
9506 | rval = -EIO; |
9507 | goto exit_free_acb; |
9508 | } |
9509 | |
9510 | rval = qla4xxx_disable_acb(ha); |
9511 | if (rval != QLA_SUCCESS) { |
9512 | rval = -EIO; |
9513 | goto exit_free_acb; |
9514 | } |
9515 | |
9516 | wait_for_completion_timeout(x: &ha->disable_acb_comp, |
9517 | DISABLE_ACB_TOV * HZ); |
9518 | |
9519 | rval = qla4xxx_set_acb(ha, mbox_cmd: &mbox_cmd[0], mbox_sts: &mbox_sts[0], acb_dma); |
9520 | if (rval != QLA_SUCCESS) { |
9521 | rval = -EIO; |
9522 | goto exit_free_acb; |
9523 | } |
9524 | |
9525 | exit_free_acb: |
9526 | dma_free_coherent(dev: &ha->pdev->dev, size: sizeof(struct addr_ctrl_blk_def), |
9527 | cpu_addr: acb, dma_handle: acb_dma); |
9528 | exit_port_reset: |
9529 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n" , __func__, |
9530 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED" )); |
9531 | return rval; |
9532 | } |
9533 | |
9534 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) |
9535 | { |
9536 | struct scsi_qla_host *ha = to_qla_host(shost); |
9537 | int rval = QLA_SUCCESS; |
9538 | uint32_t idc_ctrl; |
9539 | |
9540 | if (ql4xdontresethba) { |
9541 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n" , |
9542 | __func__)); |
9543 | rval = -EPERM; |
9544 | goto exit_host_reset; |
9545 | } |
9546 | |
9547 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
9548 | goto recover_adapter; |
9549 | |
9550 | switch (reset_type) { |
9551 | case SCSI_ADAPTER_RESET: |
9552 | set_bit(DPC_RESET_HA, addr: &ha->dpc_flags); |
9553 | break; |
9554 | case SCSI_FIRMWARE_RESET: |
9555 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
9556 | if (is_qla80XX(ha)) |
9557 | /* set firmware context reset */ |
9558 | set_bit(DPC_RESET_HA_FW_CONTEXT, |
9559 | addr: &ha->dpc_flags); |
9560 | else { |
9561 | rval = qla4xxx_context_reset(ha); |
9562 | goto exit_host_reset; |
9563 | } |
9564 | } |
9565 | break; |
9566 | } |
9567 | |
9568 | recover_adapter: |
9569 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
9570 | * reset is issued by application */ |
9571 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
9572 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
9573 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
9574 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, |
9575 | val: (idc_ctrl | GRACEFUL_RESET_BIT1)); |
9576 | } |
9577 | |
9578 | rval = qla4xxx_recover_adapter(ha); |
9579 | if (rval != QLA_SUCCESS) { |
9580 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n" , |
9581 | __func__)); |
9582 | rval = -EIO; |
9583 | } |
9584 | |
9585 | exit_host_reset: |
9586 | return rval; |
9587 | } |
9588 | |
9589 | /* PCI AER driver recovers from all correctable errors w/o |
9590 | * driver intervention. For uncorrectable errors PCI AER |
9591 | * driver calls the following device driver's callbacks |
9592 | * |
9593 | * - Fatal Errors - link_reset |
9594 | * - Non-Fatal Errors - driver's error_detected() which |
9595 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. |
9596 | * |
9597 | * PCI AER driver calls |
9598 | * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() |
9599 | * returns RECOVERED or NEED_RESET if fw_hung |
9600 | * NEED_RESET - driver's slot_reset() |
9601 | * DISCONNECT - device is dead & cannot recover |
9602 | * RECOVERED - driver's resume() |
9603 | */ |
9604 | static pci_ers_result_t |
9605 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
9606 | { |
9607 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
9608 | |
9609 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n" , |
9610 | ha->host_no, __func__, state); |
9611 | |
9612 | if (!is_aer_supported(ha)) |
9613 | return PCI_ERS_RESULT_NONE; |
9614 | |
9615 | switch (state) { |
9616 | case pci_channel_io_normal: |
9617 | clear_bit(AF_EEH_BUSY, addr: &ha->flags); |
9618 | return PCI_ERS_RESULT_CAN_RECOVER; |
9619 | case pci_channel_io_frozen: |
9620 | set_bit(AF_EEH_BUSY, addr: &ha->flags); |
9621 | qla4xxx_mailbox_premature_completion(ha); |
9622 | qla4xxx_free_irqs(ha); |
9623 | pci_disable_device(dev: pdev); |
9624 | /* Return back all IOs */ |
9625 | qla4xxx_abort_active_cmds(ha, res: DID_RESET << 16); |
9626 | return PCI_ERS_RESULT_NEED_RESET; |
9627 | case pci_channel_io_perm_failure: |
9628 | set_bit(AF_EEH_BUSY, addr: &ha->flags); |
9629 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, addr: &ha->flags); |
9630 | qla4xxx_abort_active_cmds(ha, res: DID_NO_CONNECT << 16); |
9631 | return PCI_ERS_RESULT_DISCONNECT; |
9632 | } |
9633 | return PCI_ERS_RESULT_NEED_RESET; |
9634 | } |
9635 | |
9636 | /** |
9637 | * qla4xxx_pci_mmio_enabled() - gets called if |
9638 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER |
9639 | * and read/write to the device still works. |
9640 | * @pdev: PCI device pointer |
9641 | **/ |
9642 | static pci_ers_result_t |
9643 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) |
9644 | { |
9645 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
9646 | |
9647 | if (!is_aer_supported(ha)) |
9648 | return PCI_ERS_RESULT_NONE; |
9649 | |
9650 | return PCI_ERS_RESULT_RECOVERED; |
9651 | } |
9652 | |
9653 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
9654 | { |
9655 | uint32_t rval = QLA_ERROR; |
9656 | int fn; |
9657 | struct pci_dev *other_pdev = NULL; |
9658 | |
9659 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n" , ha->host_no, __func__); |
9660 | |
9661 | set_bit(DPC_RESET_ACTIVE, addr: &ha->dpc_flags); |
9662 | |
9663 | if (test_bit(AF_ONLINE, &ha->flags)) { |
9664 | clear_bit(AF_ONLINE, addr: &ha->flags); |
9665 | clear_bit(AF_LINK_UP, addr: &ha->flags); |
9666 | iscsi_host_for_each_session(shost: ha->host, fn: qla4xxx_fail_session); |
9667 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
9668 | } |
9669 | |
9670 | fn = PCI_FUNC(ha->pdev->devfn); |
9671 | if (is_qla8022(ha)) { |
9672 | while (fn > 0) { |
9673 | fn--; |
9674 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n" , |
9675 | ha->host_no, __func__, fn); |
9676 | /* Get the pci device given the domain, bus, |
9677 | * slot/function number */ |
9678 | other_pdev = pci_get_domain_bus_and_slot( |
9679 | domain: pci_domain_nr(bus: ha->pdev->bus), |
9680 | bus: ha->pdev->bus->number, |
9681 | PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
9682 | fn)); |
9683 | |
9684 | if (!other_pdev) |
9685 | continue; |
9686 | |
9687 | if (atomic_read(v: &other_pdev->enable_cnt)) { |
9688 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n" , |
9689 | ha->host_no, __func__, fn); |
9690 | pci_dev_put(dev: other_pdev); |
9691 | break; |
9692 | } |
9693 | pci_dev_put(dev: other_pdev); |
9694 | } |
9695 | } else { |
9696 | /* this case is meant for ISP83xx/ISP84xx only */ |
9697 | if (qla4_83xx_can_perform_reset(ha)) { |
9698 | /* reset fn as iSCSI is going to perform the reset */ |
9699 | fn = 0; |
9700 | } |
9701 | } |
9702 | |
9703 | /* The first function on the card, the reset owner will |
9704 | * start & initialize the firmware. The other functions |
9705 | * on the card will reset the firmware context |
9706 | */ |
9707 | if (!fn) { |
9708 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " |
9709 | "0x%x is the owner\n" , ha->host_no, __func__, |
9710 | ha->pdev->devfn); |
9711 | |
9712 | ha->isp_ops->idc_lock(ha); |
9713 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
9714 | QLA8XXX_DEV_COLD); |
9715 | ha->isp_ops->idc_unlock(ha); |
9716 | |
9717 | rval = qla4_8xxx_update_idc_reg(ha); |
9718 | if (rval == QLA_ERROR) { |
9719 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n" , |
9720 | ha->host_no, __func__); |
9721 | ha->isp_ops->idc_lock(ha); |
9722 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
9723 | QLA8XXX_DEV_FAILED); |
9724 | ha->isp_ops->idc_unlock(ha); |
9725 | goto exit_error_recovery; |
9726 | } |
9727 | |
9728 | clear_bit(AF_FW_RECOVERY, addr: &ha->flags); |
9729 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
9730 | |
9731 | if (rval != QLA_SUCCESS) { |
9732 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
9733 | "FAILED\n" , ha->host_no, __func__); |
9734 | qla4xxx_free_irqs(ha); |
9735 | ha->isp_ops->idc_lock(ha); |
9736 | qla4_8xxx_clear_drv_active(ha); |
9737 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
9738 | QLA8XXX_DEV_FAILED); |
9739 | ha->isp_ops->idc_unlock(ha); |
9740 | } else { |
9741 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
9742 | "READY\n" , ha->host_no, __func__); |
9743 | ha->isp_ops->idc_lock(ha); |
9744 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE, |
9745 | QLA8XXX_DEV_READY); |
9746 | /* Clear driver state register */ |
9747 | qla4_8xxx_wr_direct(ha, crb_reg: QLA8XXX_CRB_DRV_STATE, value: 0); |
9748 | qla4_8xxx_set_drv_active(ha); |
9749 | ha->isp_ops->idc_unlock(ha); |
9750 | ha->isp_ops->enable_intrs(ha); |
9751 | } |
9752 | } else { |
9753 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " |
9754 | "the reset owner\n" , ha->host_no, __func__, |
9755 | ha->pdev->devfn); |
9756 | if ((qla4_8xxx_rd_direct(ha, crb_reg: QLA8XXX_CRB_DEV_STATE) == |
9757 | QLA8XXX_DEV_READY)) { |
9758 | clear_bit(AF_FW_RECOVERY, addr: &ha->flags); |
9759 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
9760 | if (rval == QLA_SUCCESS) |
9761 | ha->isp_ops->enable_intrs(ha); |
9762 | else |
9763 | qla4xxx_free_irqs(ha); |
9764 | |
9765 | ha->isp_ops->idc_lock(ha); |
9766 | qla4_8xxx_set_drv_active(ha); |
9767 | ha->isp_ops->idc_unlock(ha); |
9768 | } |
9769 | } |
9770 | exit_error_recovery: |
9771 | clear_bit(DPC_RESET_ACTIVE, addr: &ha->dpc_flags); |
9772 | return rval; |
9773 | } |
9774 | |
9775 | static pci_ers_result_t |
9776 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) |
9777 | { |
9778 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
9779 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
9780 | int rc; |
9781 | |
9782 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n" , |
9783 | ha->host_no, __func__); |
9784 | |
9785 | if (!is_aer_supported(ha)) |
9786 | return PCI_ERS_RESULT_NONE; |
9787 | |
9788 | /* Restore the saved state of PCIe device - |
9789 | * BAR registers, PCI Config space, PCIX, MSI, |
9790 | * IOV states |
9791 | */ |
9792 | pci_restore_state(dev: pdev); |
9793 | |
9794 | /* pci_restore_state() clears the saved_state flag of the device |
9795 | * save restored state which resets saved_state flag |
9796 | */ |
9797 | pci_save_state(dev: pdev); |
9798 | |
9799 | /* Initialize device or resume if in suspended state */ |
9800 | rc = pci_enable_device(dev: pdev); |
9801 | if (rc) { |
9802 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
9803 | "device after reset\n" , ha->host_no, __func__); |
9804 | goto exit_slot_reset; |
9805 | } |
9806 | |
9807 | ha->isp_ops->disable_intrs(ha); |
9808 | |
9809 | if (is_qla80XX(ha)) { |
9810 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
9811 | ret = PCI_ERS_RESULT_RECOVERED; |
9812 | goto exit_slot_reset; |
9813 | } else |
9814 | goto exit_slot_reset; |
9815 | } |
9816 | |
9817 | exit_slot_reset: |
9818 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" |
9819 | "device after reset\n" , ha->host_no, __func__, ret); |
9820 | return ret; |
9821 | } |
9822 | |
9823 | static void |
9824 | qla4xxx_pci_resume(struct pci_dev *pdev) |
9825 | { |
9826 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
9827 | int ret; |
9828 | |
9829 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n" , |
9830 | ha->host_no, __func__); |
9831 | |
9832 | ret = qla4xxx_wait_for_hba_online(ha); |
9833 | if (ret != QLA_SUCCESS) { |
9834 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " |
9835 | "resume I/O from slot/link_reset\n" , ha->host_no, |
9836 | __func__); |
9837 | } |
9838 | |
9839 | clear_bit(AF_EEH_BUSY, addr: &ha->flags); |
9840 | } |
9841 | |
9842 | static const struct pci_error_handlers qla4xxx_err_handler = { |
9843 | .error_detected = qla4xxx_pci_error_detected, |
9844 | .mmio_enabled = qla4xxx_pci_mmio_enabled, |
9845 | .slot_reset = qla4xxx_pci_slot_reset, |
9846 | .resume = qla4xxx_pci_resume, |
9847 | }; |
9848 | |
9849 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
9850 | { |
9851 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9852 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, |
9853 | .subvendor = PCI_ANY_ID, |
9854 | .subdevice = PCI_ANY_ID, |
9855 | }, |
9856 | { |
9857 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9858 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, |
9859 | .subvendor = PCI_ANY_ID, |
9860 | .subdevice = PCI_ANY_ID, |
9861 | }, |
9862 | { |
9863 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9864 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, |
9865 | .subvendor = PCI_ANY_ID, |
9866 | .subdevice = PCI_ANY_ID, |
9867 | }, |
9868 | { |
9869 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9870 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, |
9871 | .subvendor = PCI_ANY_ID, |
9872 | .subdevice = PCI_ANY_ID, |
9873 | }, |
9874 | { |
9875 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9876 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, |
9877 | .subvendor = PCI_ANY_ID, |
9878 | .subdevice = PCI_ANY_ID, |
9879 | }, |
9880 | { |
9881 | .vendor = PCI_VENDOR_ID_QLOGIC, |
9882 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, |
9883 | .subvendor = PCI_ANY_ID, |
9884 | .subdevice = PCI_ANY_ID, |
9885 | }, |
9886 | {0, 0}, |
9887 | }; |
9888 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); |
9889 | |
9890 | static struct pci_driver qla4xxx_pci_driver = { |
9891 | .name = DRIVER_NAME, |
9892 | .id_table = qla4xxx_pci_tbl, |
9893 | .probe = qla4xxx_probe_adapter, |
9894 | .remove = qla4xxx_remove_adapter, |
9895 | .err_handler = &qla4xxx_err_handler, |
9896 | }; |
9897 | |
9898 | static int __init qla4xxx_module_init(void) |
9899 | { |
9900 | int ret; |
9901 | |
9902 | if (ql4xqfulltracking) |
9903 | qla4xxx_driver_template.track_queue_depth = 1; |
9904 | |
9905 | /* Allocate cache for SRBs. */ |
9906 | srb_cachep = kmem_cache_create(name: "qla4xxx_srbs" , size: sizeof(struct srb), align: 0, |
9907 | SLAB_HWCACHE_ALIGN, NULL); |
9908 | if (srb_cachep == NULL) { |
9909 | printk(KERN_ERR |
9910 | "%s: Unable to allocate SRB cache..." |
9911 | "Failing load!\n" , DRIVER_NAME); |
9912 | ret = -ENOMEM; |
9913 | goto no_srp_cache; |
9914 | } |
9915 | |
9916 | /* Derive version string. */ |
9917 | strcpy(p: qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); |
9918 | if (ql4xextended_error_logging) |
9919 | strcat(p: qla4xxx_version_str, q: "-debug" ); |
9920 | |
9921 | qla4xxx_scsi_transport = |
9922 | iscsi_register_transport(tt: &qla4xxx_iscsi_transport); |
9923 | if (!qla4xxx_scsi_transport){ |
9924 | ret = -ENODEV; |
9925 | goto release_srb_cache; |
9926 | } |
9927 | |
9928 | ret = pci_register_driver(&qla4xxx_pci_driver); |
9929 | if (ret) |
9930 | goto unregister_transport; |
9931 | |
9932 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n" ); |
9933 | return 0; |
9934 | |
9935 | unregister_transport: |
9936 | iscsi_unregister_transport(tt: &qla4xxx_iscsi_transport); |
9937 | release_srb_cache: |
9938 | kmem_cache_destroy(s: srb_cachep); |
9939 | no_srp_cache: |
9940 | return ret; |
9941 | } |
9942 | |
9943 | static void __exit qla4xxx_module_exit(void) |
9944 | { |
9945 | pci_unregister_driver(dev: &qla4xxx_pci_driver); |
9946 | iscsi_unregister_transport(tt: &qla4xxx_iscsi_transport); |
9947 | kmem_cache_destroy(s: srb_cachep); |
9948 | } |
9949 | |
9950 | module_init(qla4xxx_module_init); |
9951 | module_exit(qla4xxx_module_exit); |
9952 | |
9953 | MODULE_AUTHOR("QLogic Corporation" ); |
9954 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver" ); |
9955 | MODULE_LICENSE("GPL" ); |
9956 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |
9957 | |