1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * QLogic FCoE Offload Driver |
4 | * Copyright (c) 2016-2018 Cavium Inc. |
5 | */ |
6 | #ifndef _QEDFC_H_ |
7 | #define _QEDFC_H_ |
8 | |
9 | #include <scsi/libfcoe.h> |
10 | #include <scsi/libfc.h> |
11 | #include <scsi/fc/fc_fip.h> |
12 | #include <scsi/fc/fc_fc2.h> |
13 | #include <scsi/scsi_tcq.h> |
14 | |
15 | /* qedf_hsi.h needs to before included any qed includes */ |
16 | #include "qedf_hsi.h" |
17 | |
18 | #include <linux/qed/qed_if.h> |
19 | #include <linux/qed/qed_fcoe_if.h> |
20 | #include <linux/qed/qed_ll2_if.h> |
21 | #include "qedf_version.h" |
22 | #include "qedf_dbg.h" |
23 | #include "drv_fcoe_fw_funcs.h" |
24 | |
25 | /* Helpers to extract upper and lower 32-bits of pointer */ |
26 | #define U64_HI(val) ((u32)(((u64)(val)) >> 32)) |
27 | #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff)) |
28 | |
29 | #define QEDF_DESCR "QLogic FCoE Offload Driver" |
30 | #define QEDF_MODULE_NAME "qedf" |
31 | |
32 | #define QEDF_FLOGI_RETRY_CNT 3 |
33 | #define QEDF_RPORT_RETRY_CNT 255 |
34 | #define QEDF_MAX_SESSIONS 1024 |
35 | #define QEDF_MAX_PAYLOAD 2048 |
36 | #define QEDF_MAX_BDS_PER_CMD 256 |
37 | #define QEDF_MAX_BD_LEN 0xffff |
38 | #define QEDF_BD_SPLIT_SZ 0x1000 |
39 | #define QEDF_PAGE_SIZE 4096 |
40 | #define QED_HW_DMA_BOUNDARY 0xfff |
41 | #define QEDF_MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1) |
42 | #define QEDF_MFS (QEDF_MAX_PAYLOAD + \ |
43 | sizeof(struct fc_frame_header)) |
44 | #define QEDF_MAX_NPIV 64 |
45 | #define QEDF_TM_TIMEOUT 10 |
46 | #define QEDF_ABORT_TIMEOUT (10 * 1000) |
47 | #define QEDF_CLEANUP_TIMEOUT 1 |
48 | #define QEDF_MAX_CDB_LEN 16 |
49 | #define QEDF_LL2_BUF_SIZE 2500 /* Buffer size required for LL2 Rx */ |
50 | |
51 | #define UPSTREAM_REMOVE 1 |
52 | #define UPSTREAM_KEEP 1 |
53 | |
54 | struct qedf_mp_req { |
55 | uint32_t req_len; |
56 | void *req_buf; |
57 | dma_addr_t req_buf_dma; |
58 | struct scsi_sge *mp_req_bd; |
59 | dma_addr_t mp_req_bd_dma; |
60 | struct fc_frame_header req_fc_hdr; |
61 | |
62 | uint32_t resp_len; |
63 | void *resp_buf; |
64 | dma_addr_t resp_buf_dma; |
65 | struct scsi_sge *mp_resp_bd; |
66 | dma_addr_t mp_resp_bd_dma; |
67 | struct fc_frame_header resp_fc_hdr; |
68 | }; |
69 | |
70 | struct qedf_els_cb_arg { |
71 | struct qedf_ioreq *aborted_io_req; |
72 | struct qedf_ioreq *io_req; |
73 | u8 op; /* Used to keep track of ELS op */ |
74 | uint16_t l2_oxid; |
75 | u32 offset; /* Used for sequence cleanup */ |
76 | u8 r_ctl; /* Used for sequence cleanup */ |
77 | }; |
78 | |
79 | enum qedf_ioreq_event { |
80 | QEDF_IOREQ_EV_NONE, |
81 | QEDF_IOREQ_EV_ABORT_SUCCESS, |
82 | QEDF_IOREQ_EV_ABORT_FAILED, |
83 | QEDF_IOREQ_EV_SEND_RRQ, |
84 | QEDF_IOREQ_EV_ELS_TMO, |
85 | QEDF_IOREQ_EV_ELS_ERR_DETECT, |
86 | QEDF_IOREQ_EV_ELS_FLUSH, |
87 | QEDF_IOREQ_EV_CLEANUP_SUCCESS, |
88 | QEDF_IOREQ_EV_CLEANUP_FAILED, |
89 | }; |
90 | |
91 | #define FC_GOOD 0 |
92 | #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2) |
93 | #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3) |
94 | #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) |
95 | #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) |
96 | struct qedf_ioreq { |
97 | struct list_head link; |
98 | uint16_t xid; |
99 | struct scsi_cmnd *sc_cmd; |
100 | #define QEDF_SCSI_CMD 1 |
101 | #define QEDF_TASK_MGMT_CMD 2 |
102 | #define QEDF_ABTS 3 |
103 | #define QEDF_ELS 4 |
104 | #define QEDF_CLEANUP 5 |
105 | #define QEDF_SEQ_CLEANUP 6 |
106 | u8 cmd_type; |
107 | #define QEDF_CMD_OUTSTANDING 0x0 |
108 | #define QEDF_CMD_IN_ABORT 0x1 |
109 | #define QEDF_CMD_IN_CLEANUP 0x2 |
110 | #define QEDF_CMD_SRR_SENT 0x3 |
111 | #define QEDF_CMD_DIRTY 0x4 |
112 | #define QEDF_CMD_ERR_SCSI_DONE 0x5 |
113 | u8 io_req_flags; |
114 | uint8_t tm_flags; |
115 | u64 tm_lun; |
116 | struct qedf_rport *fcport; |
117 | #define QEDF_CMD_ST_INACTIVE 0 |
118 | #define QEDFC_CMD_ST_IO_ACTIVE 1 |
119 | #define QEDFC_CMD_ST_ABORT_ACTIVE 2 |
120 | #define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3 |
121 | #define QEDFC_CMD_ST_CLEANUP_ACTIVE 4 |
122 | #define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5 |
123 | #define QEDFC_CMD_ST_RRQ_ACTIVE 6 |
124 | #define QEDFC_CMD_ST_RRQ_WAIT 7 |
125 | #define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8 |
126 | #define QEDFC_CMD_ST_TMF_ACTIVE 9 |
127 | #define QEDFC_CMD_ST_DRAIN_ACTIVE 10 |
128 | #define QEDFC_CMD_ST_CLEANED 11 |
129 | #define QEDFC_CMD_ST_ELS_ACTIVE 12 |
130 | atomic_t state; |
131 | unsigned long flags; |
132 | enum qedf_ioreq_event event; |
133 | size_t data_xfer_len; |
134 | /* ID: 001: Alloc cmd (qedf_alloc_cmd) */ |
135 | /* ID: 002: Initiate ABTS (qedf_initiate_abts) */ |
136 | /* ID: 003: For RRQ (qedf_process_abts_compl) */ |
137 | struct kref refcount; |
138 | struct qedf_cmd_mgr *cmd_mgr; |
139 | struct io_bdt *bd_tbl; |
140 | struct delayed_work timeout_work; |
141 | struct completion tm_done; |
142 | struct completion abts_done; |
143 | struct completion cleanup_done; |
144 | struct fcoe_task_context *task; |
145 | struct fcoe_task_params *task_params; |
146 | struct scsi_sgl_task_params *sgl_task_params; |
147 | int idx; |
148 | int lun; |
149 | /* |
150 | * Need to allocate enough room for both sense data and FCP response data |
151 | * which has a max length of 8 bytes according to spec. |
152 | */ |
153 | #define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8) |
154 | uint8_t *sense_buffer; |
155 | dma_addr_t sense_buffer_dma; |
156 | u32 fcp_resid; |
157 | u32 fcp_rsp_len; |
158 | u32 fcp_sns_len; |
159 | u8 cdb_status; |
160 | u8 fcp_status; |
161 | u8 fcp_rsp_code; |
162 | u8 scsi_comp_flags; |
163 | #define QEDF_MAX_REUSE 0xfff |
164 | u16 reuse_count; |
165 | struct qedf_mp_req mp_req; |
166 | void (*cb_func)(struct qedf_els_cb_arg *cb_arg); |
167 | struct qedf_els_cb_arg *cb_arg; |
168 | int fp_idx; |
169 | unsigned int cpu; |
170 | unsigned int int_cpu; |
171 | #define QEDF_IOREQ_UNKNOWN_SGE 1 |
172 | #define QEDF_IOREQ_SLOW_SGE 2 |
173 | #define QEDF_IOREQ_FAST_SGE 3 |
174 | u8 sge_type; |
175 | struct delayed_work rrq_work; |
176 | |
177 | /* Used for sequence level recovery; i.e. REC/SRR */ |
178 | uint32_t rx_buf_off; |
179 | uint32_t tx_buf_off; |
180 | uint32_t rx_id; |
181 | uint32_t task_retry_identifier; |
182 | |
183 | /* |
184 | * Used to tell if we need to return a SCSI command |
185 | * during some form of error processing. |
186 | */ |
187 | bool return_scsi_cmd_on_abts; |
188 | |
189 | unsigned int alloc; |
190 | }; |
191 | |
192 | struct qedf_cmd_priv { |
193 | struct qedf_ioreq *io_req; |
194 | }; |
195 | |
196 | static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd) |
197 | { |
198 | return scsi_cmd_priv(cmd); |
199 | } |
200 | |
201 | extern struct workqueue_struct *qedf_io_wq; |
202 | |
203 | struct qedf_rport { |
204 | spinlock_t rport_lock; |
205 | #define QEDF_RPORT_SESSION_READY 1 |
206 | #define QEDF_RPORT_UPLOADING_CONNECTION 2 |
207 | #define QEDF_RPORT_IN_RESET 3 |
208 | #define QEDF_RPORT_IN_LUN_RESET 4 |
209 | #define QEDF_RPORT_IN_TARGET_RESET 5 |
210 | unsigned long flags; |
211 | int lun_reset_lun; |
212 | unsigned long retry_delay_timestamp; |
213 | struct fc_rport *rport; |
214 | struct fc_rport_priv *rdata; |
215 | struct qedf_ctx *qedf; |
216 | u32 handle; /* Handle from qed */ |
217 | u32 fw_cid; /* fw_cid from qed */ |
218 | void __iomem *p_doorbell; |
219 | /* Send queue management */ |
220 | atomic_t free_sqes; |
221 | atomic_t ios_to_queue; |
222 | atomic_t num_active_ios; |
223 | struct fcoe_wqe *sq; |
224 | dma_addr_t sq_dma; |
225 | u16 sq_prod_idx; |
226 | u16 fw_sq_prod_idx; |
227 | u16 sq_con_idx; |
228 | u32 sq_mem_size; |
229 | void *sq_pbl; |
230 | dma_addr_t sq_pbl_dma; |
231 | u32 sq_pbl_size; |
232 | u32 sid; |
233 | #define QEDF_RPORT_TYPE_DISK 0 |
234 | #define QEDF_RPORT_TYPE_TAPE 1 |
235 | uint dev_type; /* Disk or tape */ |
236 | struct list_head peers; |
237 | }; |
238 | |
239 | /* Used to contain LL2 skb's in ll2_skb_list */ |
240 | struct qedf_skb_work { |
241 | struct work_struct work; |
242 | struct sk_buff *skb; |
243 | struct qedf_ctx *qedf; |
244 | }; |
245 | |
246 | struct qedf_fastpath { |
247 | #define QEDF_SB_ID_NULL 0xffff |
248 | u16 sb_id; |
249 | struct qed_sb_info *sb_info; |
250 | struct qedf_ctx *qedf; |
251 | /* Keep track of number of completions on this fastpath */ |
252 | unsigned long completions; |
253 | uint32_t cq_num_entries; |
254 | }; |
255 | |
256 | /* Used to pass fastpath information needed to process CQEs */ |
257 | struct qedf_io_work { |
258 | struct work_struct work; |
259 | struct fcoe_cqe cqe; |
260 | struct qedf_ctx *qedf; |
261 | struct fc_frame *fp; |
262 | }; |
263 | |
264 | struct qedf_glbl_q_params { |
265 | u64 hw_p_cq; /* Completion queue PBL */ |
266 | u64 hw_p_rq; /* Request queue PBL */ |
267 | u64 hw_p_cmdq; /* Command queue PBL */ |
268 | }; |
269 | |
270 | struct global_queue { |
271 | struct fcoe_cqe *cq; |
272 | dma_addr_t cq_dma; |
273 | u32 cq_mem_size; |
274 | u32 cq_cons_idx; /* Completion queue consumer index */ |
275 | u32 cq_prod_idx; |
276 | |
277 | void *cq_pbl; |
278 | dma_addr_t cq_pbl_dma; |
279 | u32 cq_pbl_size; |
280 | }; |
281 | |
282 | /* I/O tracing entry */ |
283 | #define QEDF_IO_TRACE_SIZE 2048 |
284 | struct qedf_io_log { |
285 | #define QEDF_IO_TRACE_REQ 0 |
286 | #define QEDF_IO_TRACE_RSP 1 |
287 | uint8_t direction; |
288 | uint16_t task_id; |
289 | uint32_t port_id; /* Remote port fabric ID */ |
290 | int lun; |
291 | unsigned char op; /* SCSI CDB */ |
292 | uint8_t lba[4]; |
293 | unsigned int bufflen; /* SCSI buffer length */ |
294 | unsigned int sg_count; /* Number of SG elements */ |
295 | int result; /* Result passed back to mid-layer */ |
296 | unsigned long jiffies; /* Time stamp when I/O logged */ |
297 | int refcount; /* Reference count for task id */ |
298 | unsigned int req_cpu; /* CPU that the task is queued on */ |
299 | unsigned int int_cpu; /* Interrupt CPU that the task is received on */ |
300 | unsigned int rsp_cpu; /* CPU that task is returned on */ |
301 | u8 sge_type; /* Did we take the slow, single or fast SGE path */ |
302 | }; |
303 | |
304 | /* Number of entries in BDQ */ |
305 | #define QEDF_BDQ_SIZE 256 |
306 | #define QEDF_BDQ_BUF_SIZE 2072 |
307 | |
308 | /* DMA coherent buffers for BDQ */ |
309 | struct qedf_bdq_buf { |
310 | void *buf_addr; |
311 | dma_addr_t buf_dma; |
312 | }; |
313 | |
314 | /* Main adapter struct */ |
315 | struct qedf_ctx { |
316 | struct qedf_dbg_ctx dbg_ctx; |
317 | struct fcoe_ctlr ctlr; |
318 | struct fc_lport *lport; |
319 | u8 data_src_addr[ETH_ALEN]; |
320 | #define QEDF_LINK_DOWN 0 |
321 | #define QEDF_LINK_UP 1 |
322 | atomic_t link_state; |
323 | #define QEDF_DCBX_PENDING 0 |
324 | #define QEDF_DCBX_DONE 1 |
325 | atomic_t dcbx; |
326 | #define QEDF_NULL_VLAN_ID -1 |
327 | #define QEDF_FALLBACK_VLAN 1002 |
328 | #define QEDF_DEFAULT_PRIO 3 |
329 | int vlan_id; |
330 | u8 prio; |
331 | struct qed_dev *cdev; |
332 | struct qed_dev_fcoe_info dev_info; |
333 | struct qed_int_info int_info; |
334 | uint16_t last_command; |
335 | spinlock_t hba_lock; |
336 | struct pci_dev *pdev; |
337 | u64 wwnn; |
338 | u64 wwpn; |
339 | u8 __aligned(16) mac[ETH_ALEN]; |
340 | struct list_head fcports; |
341 | atomic_t num_offloads; |
342 | unsigned int curr_conn_id; |
343 | struct workqueue_struct *ll2_recv_wq; |
344 | struct workqueue_struct *link_update_wq; |
345 | struct devlink *devlink; |
346 | struct delayed_work link_update; |
347 | struct delayed_work link_recovery; |
348 | struct completion flogi_compl; |
349 | struct completion fipvlan_compl; |
350 | |
351 | /* |
352 | * Used to tell if we're in the window where we are waiting for |
353 | * the link to come back up before informting fcoe that the link is |
354 | * done. |
355 | */ |
356 | atomic_t link_down_tmo_valid; |
357 | #define QEDF_TIMER_INTERVAL (1 * HZ) |
358 | struct timer_list timer; /* One second book keeping timer */ |
359 | #define QEDF_DRAIN_ACTIVE 1 |
360 | #define QEDF_LL2_STARTED 2 |
361 | #define QEDF_UNLOADING 3 |
362 | #define QEDF_GRCDUMP_CAPTURE 4 |
363 | #define QEDF_IN_RECOVERY 5 |
364 | #define QEDF_DBG_STOP_IO 6 |
365 | #define QEDF_PROBING 8 |
366 | unsigned long flags; /* Miscellaneous state flags */ |
367 | int fipvlan_retries; |
368 | u8 num_queues; |
369 | struct global_queue **global_queues; |
370 | /* Pointer to array of queue structures */ |
371 | struct qedf_glbl_q_params *p_cpuq; |
372 | /* Physical address of array of queue structures */ |
373 | dma_addr_t hw_p_cpuq; |
374 | |
375 | struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; |
376 | void *bdq_pbl; |
377 | dma_addr_t bdq_pbl_dma; |
378 | size_t bdq_pbl_mem_size; |
379 | void *bdq_pbl_list; |
380 | dma_addr_t bdq_pbl_list_dma; |
381 | u8 bdq_pbl_list_num_entries; |
382 | void __iomem *bdq_primary_prod; |
383 | void __iomem *bdq_secondary_prod; |
384 | uint16_t bdq_prod_idx; |
385 | |
386 | /* Structure for holding all the fastpath for this qedf_ctx */ |
387 | struct qedf_fastpath *fp_array; |
388 | struct qed_fcoe_tid tasks; |
389 | struct qedf_cmd_mgr *cmd_mgr; |
390 | /* Holds the PF parameters we pass to qed to start he FCoE function */ |
391 | struct qed_pf_params pf_params; |
392 | /* Used to time middle path ELS and TM commands */ |
393 | struct workqueue_struct *timer_work_queue; |
394 | |
395 | #define QEDF_IO_WORK_MIN 64 |
396 | mempool_t *io_mempool; |
397 | struct workqueue_struct *dpc_wq; |
398 | struct delayed_work recovery_work; |
399 | struct delayed_work board_disable_work; |
400 | struct delayed_work grcdump_work; |
401 | struct delayed_work stag_work; |
402 | |
403 | u32 slow_sge_ios; |
404 | u32 fast_sge_ios; |
405 | |
406 | uint8_t *grcdump; |
407 | uint32_t grcdump_size; |
408 | |
409 | struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE]; |
410 | spinlock_t io_trace_lock; |
411 | uint16_t io_trace_idx; |
412 | |
413 | bool stop_io_on_error; |
414 | |
415 | u32 flogi_cnt; |
416 | u32 flogi_failed; |
417 | u32 flogi_pending; |
418 | |
419 | /* Used for fc statistics */ |
420 | struct mutex stats_mutex; |
421 | u64 input_requests; |
422 | u64 output_requests; |
423 | u64 control_requests; |
424 | u64 packet_aborts; |
425 | u64 alloc_failures; |
426 | u8 lun_resets; |
427 | u8 target_resets; |
428 | u8 task_set_fulls; |
429 | u8 busy; |
430 | /* Used for flush routine */ |
431 | struct mutex flush_mutex; |
432 | }; |
433 | |
434 | struct io_bdt { |
435 | struct qedf_ioreq *io_req; |
436 | struct scsi_sge *bd_tbl; |
437 | dma_addr_t bd_tbl_dma; |
438 | u16 bd_valid; |
439 | }; |
440 | |
441 | struct qedf_cmd_mgr { |
442 | struct qedf_ctx *qedf; |
443 | u16 idx; |
444 | struct io_bdt **io_bdt_pool; |
445 | #define FCOE_PARAMS_NUM_TASKS 2048 |
446 | struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; |
447 | spinlock_t lock; |
448 | atomic_t free_list_cnt; |
449 | }; |
450 | |
451 | /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info |
452 | * Usage: |
453 | * |
454 | * void *ptr; |
455 | * ptr = qedf_get_task_mem(&qedf->tasks, 128); |
456 | */ |
457 | static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid) |
458 | { |
459 | return (void *)(info->blocks[tid / info->num_tids_per_block] + |
460 | (tid % info->num_tids_per_block) * info->size); |
461 | } |
462 | |
463 | static inline void qedf_stop_all_io(struct qedf_ctx *qedf) |
464 | { |
465 | set_bit(QEDF_DBG_STOP_IO, addr: &qedf->flags); |
466 | } |
467 | |
468 | /* |
469 | * Externs |
470 | */ |
471 | |
472 | /* |
473 | * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ |
474 | * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ | |
475 | * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO) |
476 | */ |
477 | #define QEDF_DEFAULT_LOG_MASK 0x3CFB6 |
478 | extern const struct qed_fcoe_ops *qed_ops; |
479 | extern uint qedf_dump_frames; |
480 | extern uint qedf_io_tracing; |
481 | extern uint qedf_stop_io_on_error; |
482 | extern uint qedf_link_down_tmo; |
483 | #define QEDF_RETRY_DELAY_MAX 600 /* 60 seconds */ |
484 | extern bool qedf_retry_delay; |
485 | extern uint qedf_debug; |
486 | |
487 | extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf); |
488 | extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); |
489 | extern int qedf_queuecommand(struct Scsi_Host *host, |
490 | struct scsi_cmnd *sc_cmd); |
491 | extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); |
492 | extern u8 *qedf_get_src_mac(struct fc_lport *lport); |
493 | extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); |
494 | extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); |
495 | extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, |
496 | struct qedf_ioreq *io_req); |
497 | extern void qedf_process_warning_compl(struct qedf_ctx *qedf, |
498 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); |
499 | extern void qedf_process_error_detect(struct qedf_ctx *qedf, |
500 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); |
501 | extern void qedf_flush_active_ios(struct qedf_rport *fcport, u64 lun); |
502 | extern void qedf_release_cmd(struct kref *ref); |
503 | extern int qedf_initiate_abts(struct qedf_ioreq *io_req, |
504 | bool return_scsi_cmd_on_abts); |
505 | extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, |
506 | struct qedf_ioreq *io_req); |
507 | extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, |
508 | u8 cmd_type); |
509 | |
510 | extern const struct attribute_group *qedf_host_groups[]; |
511 | extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, |
512 | unsigned int timer_msec); |
513 | extern int qedf_init_mp_req(struct qedf_ioreq *io_req); |
514 | extern void qedf_init_mp_task(struct qedf_ioreq *io_req, |
515 | struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe); |
516 | extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); |
517 | extern void qedf_ring_doorbell(struct qedf_rport *fcport); |
518 | extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, |
519 | struct qedf_ioreq *els_req); |
520 | extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req); |
521 | extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp); |
522 | extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req, |
523 | bool return_scsi_cmd_on_abts); |
524 | extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf, |
525 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); |
526 | extern int qedf_initiate_tmf(struct fc_rport *rport, u64 lun, u8 tm_flags); |
527 | extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, |
528 | struct qedf_ioreq *io_req); |
529 | extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe); |
530 | extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, |
531 | int result); |
532 | extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id); |
533 | extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf); |
534 | extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf); |
535 | extern void qedf_capture_grc_dump(struct qedf_ctx *qedf); |
536 | bool qedf_wait_for_upload(struct qedf_ctx *qedf); |
537 | extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, |
538 | struct fcoe_cqe *cqe); |
539 | extern void qedf_restart_rport(struct qedf_rport *fcport); |
540 | extern int qedf_send_rec(struct qedf_ioreq *orig_io_req); |
541 | extern int qedf_post_io_req(struct qedf_rport *fcport, |
542 | struct qedf_ioreq *io_req); |
543 | extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf, |
544 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); |
545 | extern int qedf_send_flogi(struct qedf_ctx *qedf); |
546 | extern void qedf_get_protocol_tlv_data(void *dev, void *data); |
547 | extern void qedf_fp_io_handler(struct work_struct *work); |
548 | extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data); |
549 | extern void qedf_wq_grcdump(struct work_struct *work); |
550 | void qedf_stag_change_work(struct work_struct *work); |
551 | void qedf_ctx_soft_reset(struct fc_lport *lport); |
552 | extern void qedf_schedule_hw_err_handler(void *dev, |
553 | enum qed_hw_err_type err_type); |
554 | |
555 | #define FCOE_WORD_TO_BYTE 4 |
556 | #define QEDF_MAX_TASK_NUM 0xFFFF |
557 | #define QL45xxx 0x165C |
558 | #define QL41xxx 0x8080 |
559 | #define MAX_CT_PAYLOAD 2048 |
560 | #define DISCOVERED_PORTS 4 |
561 | #define NUMBER_OF_PORTS 1 |
562 | |
563 | struct fip_vlan { |
564 | struct ethhdr eth; |
565 | struct fip_header fip; |
566 | struct { |
567 | struct fip_mac_desc mac; |
568 | struct fip_wwn_desc wwnn; |
569 | } desc; |
570 | }; |
571 | |
572 | /* SQ/CQ Sizes */ |
573 | #define GBL_RSVD_TASKS 16 |
574 | #define NUM_TASKS_PER_CONNECTION 1024 |
575 | #define NUM_RW_TASKS_PER_CONNECTION 512 |
576 | #define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS |
577 | |
578 | #define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS |
579 | #define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION |
580 | |
581 | #define QEDF_FCOE_PARAMS_GL_RQ_PI 0 |
582 | #define QEDF_FCOE_PARAMS_GL_CMD_PI 1 |
583 | |
584 | #define QEDF_READ (1 << 1) |
585 | #define QEDF_WRITE (1 << 0) |
586 | #define MAX_FIBRE_LUNS 0xffffffff |
587 | |
588 | #define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ |
589 | num_online_cpus()) |
590 | |
591 | /* |
592 | * PCI function probe defines |
593 | */ |
594 | /* Probe/remove called during normal PCI probe */ |
595 | #define QEDF_MODE_NORMAL 0 |
596 | /* Probe/remove called from qed error recovery */ |
597 | #define QEDF_MODE_RECOVERY 1 |
598 | |
599 | #define SUPPORTED_25000baseKR_Full (1<<27) |
600 | #define SUPPORTED_50000baseKR2_Full (1<<28) |
601 | #define SUPPORTED_100000baseKR4_Full (1<<29) |
602 | #define SUPPORTED_100000baseCR4_Full (1<<30) |
603 | |
604 | #endif |
605 | |