1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
4 | * Copyright (c) 2014- QLogic Corporation. |
5 | * All rights reserved |
6 | * www.qlogic.com |
7 | * |
8 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
9 | */ |
10 | |
11 | /* |
12 | * Contains base driver definitions. |
13 | */ |
14 | |
15 | /* |
16 | * bfa_drv.h Linux driver data structures. |
17 | */ |
18 | |
19 | #ifndef __BFAD_DRV_H__ |
20 | #define __BFAD_DRV_H__ |
21 | |
22 | #include <linux/types.h> |
23 | #include <linux/pci.h> |
24 | #include <linux/dma-mapping.h> |
25 | #include <linux/idr.h> |
26 | #include <linux/interrupt.h> |
27 | #include <linux/cdev.h> |
28 | #include <linux/fs.h> |
29 | #include <linux/delay.h> |
30 | #include <linux/vmalloc.h> |
31 | #include <linux/workqueue.h> |
32 | #include <linux/bitops.h> |
33 | #include <scsi/scsi.h> |
34 | #include <scsi/scsi_host.h> |
35 | #include <scsi/scsi_tcq.h> |
36 | #include <scsi/scsi_transport_fc.h> |
37 | #include <scsi/scsi_transport.h> |
38 | #include <scsi/scsi_bsg_fc.h> |
39 | #include <scsi/scsi_devinfo.h> |
40 | |
41 | #include "bfa_modules.h" |
42 | #include "bfa_fcs.h" |
43 | #include "bfa_defs_fcs.h" |
44 | |
45 | #include "bfa_plog.h" |
46 | #include "bfa_cs.h" |
47 | |
48 | #define BFAD_DRIVER_NAME "bfa" |
49 | #ifdef BFA_DRIVER_VERSION |
50 | #define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION |
51 | #else |
52 | #define BFAD_DRIVER_VERSION "3.2.25.1" |
53 | #endif |
54 | |
55 | #define BFAD_PROTO_NAME FCPI_NAME |
56 | #define BFAD_IRQ_FLAGS IRQF_SHARED |
57 | |
58 | #ifndef FC_PORTSPEED_8GBIT |
59 | #define FC_PORTSPEED_8GBIT 0x10 |
60 | #endif |
61 | |
62 | /* |
63 | * BFAD flags |
64 | */ |
65 | #define BFAD_MSIX_ON 0x00000001 |
66 | #define BFAD_HAL_INIT_DONE 0x00000002 |
67 | #define BFAD_DRV_INIT_DONE 0x00000004 |
68 | #define BFAD_CFG_PPORT_DONE 0x00000008 |
69 | #define BFAD_HAL_START_DONE 0x00000010 |
70 | #define BFAD_PORT_ONLINE 0x00000020 |
71 | #define BFAD_RPORT_ONLINE 0x00000040 |
72 | #define BFAD_FCS_INIT_DONE 0x00000080 |
73 | #define BFAD_HAL_INIT_FAIL 0x00000100 |
74 | #define BFAD_FC4_PROBE_DONE 0x00000200 |
75 | #define BFAD_PORT_DELETE 0x00000001 |
76 | #define BFAD_INTX_ON 0x00000400 |
77 | #define BFAD_EEH_BUSY 0x00000800 |
78 | #define BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE 0x00001000 |
79 | /* |
80 | * BFAD related definition |
81 | */ |
82 | #define SCSI_SCAN_DELAY HZ |
83 | #define BFAD_STOP_TIMEOUT 30 |
84 | #define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT |
85 | |
86 | /* |
87 | * BFAD configuration parameter default values |
88 | */ |
89 | #define BFAD_LUN_QUEUE_DEPTH 32 |
90 | #define BFAD_IO_MAX_SGE SG_ALL |
91 | #define BFAD_MIN_SECTORS 128 /* 64k */ |
92 | #define BFAD_MAX_SECTORS 0xFFFF /* 32 MB */ |
93 | |
94 | #define bfad_isr_t irq_handler_t |
95 | |
96 | #define MAX_MSIX_ENTRY 22 |
97 | |
98 | struct bfad_msix_s { |
99 | struct bfad_s *bfad; |
100 | struct msix_entry msix; |
101 | char name[32]; |
102 | }; |
103 | |
104 | /* |
105 | * Only append to the enums defined here to avoid any versioning |
106 | * needed between trace utility and driver version |
107 | */ |
108 | enum { |
109 | BFA_TRC_LDRV_BFAD = 1, |
110 | BFA_TRC_LDRV_IM = 2, |
111 | BFA_TRC_LDRV_BSG = 3, |
112 | }; |
113 | |
114 | enum bfad_port_pvb_type { |
115 | BFAD_PORT_PHYS_BASE = 0, |
116 | BFAD_PORT_PHYS_VPORT = 1, |
117 | BFAD_PORT_VF_BASE = 2, |
118 | BFAD_PORT_VF_VPORT = 3, |
119 | }; |
120 | |
121 | /* |
122 | * PORT data structure |
123 | */ |
124 | struct bfad_port_s { |
125 | struct list_head list_entry; |
126 | struct bfad_s *bfad; |
127 | struct bfa_fcs_lport_s *fcs_port; |
128 | u32 roles; |
129 | s32 flags; |
130 | u32 supported_fc4s; |
131 | enum bfad_port_pvb_type pvb_type; |
132 | struct bfad_im_port_s *im_port; /* IM specific data */ |
133 | /* port debugfs specific data */ |
134 | struct dentry *port_debugfs_root; |
135 | }; |
136 | |
137 | /* |
138 | * VPORT data structure |
139 | */ |
140 | struct bfad_vport_s { |
141 | struct bfad_port_s drv_port; |
142 | struct bfa_fcs_vport_s fcs_vport; |
143 | struct completion *comp_del; |
144 | struct list_head list_entry; |
145 | }; |
146 | |
147 | /* |
148 | * VF data structure |
149 | */ |
150 | struct bfad_vf_s { |
151 | bfa_fcs_vf_t fcs_vf; |
152 | struct bfad_port_s base_port; /* base port for vf */ |
153 | struct bfad_s *bfad; |
154 | }; |
155 | |
156 | struct bfad_cfg_param_s { |
157 | u32 rport_del_timeout; |
158 | u32 ioc_queue_depth; |
159 | u32 lun_queue_depth; |
160 | u32 io_max_sge; |
161 | u32 binding_method; |
162 | }; |
163 | |
164 | union bfad_tmp_buf { |
165 | /* From struct bfa_adapter_attr_s */ |
166 | char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; |
167 | char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; |
168 | char model[BFA_ADAPTER_MODEL_NAME_LEN]; |
169 | char fw_ver[BFA_VERSION_LEN]; |
170 | char optrom_ver[BFA_VERSION_LEN]; |
171 | |
172 | /* From struct bfa_ioc_pci_attr_s */ |
173 | u8 chip_rev[BFA_IOC_CHIP_REV_LEN]; /* chip revision */ |
174 | |
175 | wwn_t wwn[BFA_FCS_MAX_LPORTS]; |
176 | }; |
177 | |
178 | /* |
179 | * BFAD (PCI function) data structure |
180 | */ |
181 | struct bfad_s { |
182 | bfa_sm_t sm; /* state machine */ |
183 | struct list_head list_entry; |
184 | struct bfa_s bfa; |
185 | struct bfa_fcs_s bfa_fcs; |
186 | struct pci_dev *pcidev; |
187 | const char *pci_name; |
188 | struct bfa_pcidev_s hal_pcidev; |
189 | struct bfa_ioc_pci_attr_s pci_attr; |
190 | void __iomem *pci_bar0_kva; |
191 | void __iomem *pci_bar2_kva; |
192 | struct completion comp; |
193 | struct completion suspend; |
194 | struct completion enable_comp; |
195 | struct completion disable_comp; |
196 | bfa_boolean_t disable_active; |
197 | struct bfad_port_s pport; /* physical port of the BFAD */ |
198 | struct bfa_meminfo_s meminfo; |
199 | struct bfa_iocfc_cfg_s ioc_cfg; |
200 | u32 inst_no; /* BFAD instance number */ |
201 | u32 bfad_flags; |
202 | spinlock_t bfad_lock; |
203 | struct task_struct *bfad_tsk; |
204 | struct bfad_cfg_param_s cfg_data; |
205 | struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY]; |
206 | int nvec; |
207 | char adapter_name[BFA_ADAPTER_SYM_NAME_LEN]; |
208 | char port_name[BFA_ADAPTER_SYM_NAME_LEN]; |
209 | struct timer_list hal_tmo; |
210 | unsigned long hs_start; |
211 | struct bfad_im_s *im; /* IM specific data */ |
212 | struct bfa_trc_mod_s *trcmod; |
213 | struct bfa_plog_s plog_buf; |
214 | int ref_count; |
215 | union bfad_tmp_buf tmp_buf; |
216 | struct fc_host_statistics link_stats; |
217 | struct list_head pbc_vport_list; |
218 | /* debugfs specific data */ |
219 | char *regdata; |
220 | u32 reglen; |
221 | struct dentry *bfad_dentry_files[5]; |
222 | struct list_head free_aen_q; |
223 | struct list_head active_aen_q; |
224 | struct bfa_aen_entry_s aen_list[BFA_AEN_MAX_ENTRY]; |
225 | spinlock_t bfad_aen_spinlock; |
226 | struct list_head vport_list; |
227 | }; |
228 | |
229 | /* BFAD state machine events */ |
230 | enum bfad_sm_event { |
231 | BFAD_E_CREATE = 1, |
232 | BFAD_E_KTHREAD_CREATE_FAILED = 2, |
233 | BFAD_E_INIT = 3, |
234 | BFAD_E_INIT_SUCCESS = 4, |
235 | BFAD_E_HAL_INIT_FAILED = 5, |
236 | BFAD_E_INIT_FAILED = 6, |
237 | BFAD_E_FCS_EXIT_COMP = 7, |
238 | BFAD_E_EXIT_COMP = 8, |
239 | BFAD_E_STOP = 9 |
240 | }; |
241 | |
242 | /* |
243 | * RPORT data structure |
244 | */ |
245 | struct bfad_rport_s { |
246 | struct bfa_fcs_rport_s fcs_rport; |
247 | }; |
248 | |
249 | struct bfad_buf_info { |
250 | void *virt; |
251 | dma_addr_t phys; |
252 | u32 size; |
253 | }; |
254 | |
255 | struct bfad_fcxp { |
256 | struct bfad_port_s *port; |
257 | struct bfa_rport_s *bfa_rport; |
258 | bfa_status_t req_status; |
259 | u16 tag; |
260 | u16 rsp_len; |
261 | u16 rsp_maxlen; |
262 | u8 use_ireqbuf; |
263 | u8 use_irspbuf; |
264 | u32 num_req_sgles; |
265 | u32 num_rsp_sgles; |
266 | struct fchs_s fchs; |
267 | void *reqbuf_info; |
268 | void *rspbuf_info; |
269 | struct bfa_sge_s *req_sge; |
270 | struct bfa_sge_s *rsp_sge; |
271 | fcxp_send_cb_t send_cbfn; |
272 | void *send_cbarg; |
273 | void *bfa_fcxp; |
274 | struct completion comp; |
275 | }; |
276 | |
277 | struct bfad_hal_comp { |
278 | bfa_status_t status; |
279 | struct completion comp; |
280 | }; |
281 | |
282 | #define BFA_LOG(level, bfad, mask, fmt, arg...) \ |
283 | do { \ |
284 | if (((mask) == 4) || (level[1] <= '4')) \ |
285 | dev_printk(level, &((bfad)->pcidev)->dev, fmt, ##arg); \ |
286 | } while (0) |
287 | |
288 | bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, |
289 | struct bfa_lport_cfg_s *port_cfg, |
290 | struct device *dev); |
291 | bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, |
292 | struct bfa_lport_cfg_s *port_cfg); |
293 | bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role); |
294 | bfa_status_t bfad_drv_init(struct bfad_s *bfad); |
295 | bfa_status_t bfad_start_ops(struct bfad_s *bfad); |
296 | void bfad_drv_start(struct bfad_s *bfad); |
297 | void bfad_uncfg_pport(struct bfad_s *bfad); |
298 | void bfad_stop(struct bfad_s *bfad); |
299 | void bfad_fcs_stop(struct bfad_s *bfad); |
300 | void bfad_remove_intr(struct bfad_s *bfad); |
301 | void bfad_hal_mem_release(struct bfad_s *bfad); |
302 | void bfad_hcb_comp(void *arg, bfa_status_t status); |
303 | |
304 | int bfad_setup_intr(struct bfad_s *bfad); |
305 | void bfad_remove_intr(struct bfad_s *bfad); |
306 | void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg); |
307 | bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad); |
308 | void bfad_bfa_tmo(struct timer_list *t); |
309 | void bfad_init_timer(struct bfad_s *bfad); |
310 | int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad); |
311 | void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad); |
312 | void bfad_drv_uninit(struct bfad_s *bfad); |
313 | int bfad_worker(void *ptr); |
314 | void bfad_debugfs_init(struct bfad_port_s *port); |
315 | void bfad_debugfs_exit(struct bfad_port_s *port); |
316 | |
317 | void bfad_pci_remove(struct pci_dev *pdev); |
318 | int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid); |
319 | void bfad_rport_online_wait(struct bfad_s *bfad); |
320 | int bfad_get_linkup_delay(struct bfad_s *bfad); |
321 | int bfad_install_msix_handler(struct bfad_s *bfad); |
322 | |
323 | extern struct idr bfad_im_port_index; |
324 | extern struct pci_device_id bfad_id_table[]; |
325 | extern struct list_head bfad_list; |
326 | extern char *os_name; |
327 | extern char *os_patch; |
328 | extern char *host_name; |
329 | extern int num_rports; |
330 | extern int num_ios; |
331 | extern int num_tms; |
332 | extern int num_fcxps; |
333 | extern int num_ufbufs; |
334 | extern int reqq_size; |
335 | extern int rspq_size; |
336 | extern int num_sgpgs; |
337 | extern int rport_del_timeout; |
338 | extern int bfa_lun_queue_depth; |
339 | extern int bfa_io_max_sge; |
340 | extern int bfa_log_level; |
341 | extern int ioc_auto_recover; |
342 | extern int bfa_linkup_delay; |
343 | extern int msix_disable_cb; |
344 | extern int msix_disable_ct; |
345 | extern int fdmi_enable; |
346 | extern int supported_fc4s; |
347 | extern int pcie_max_read_reqsz; |
348 | extern int max_xfer_size; |
349 | extern int bfa_debugfs_enable; |
350 | extern struct mutex bfad_mutex; |
351 | |
352 | #endif /* __BFAD_DRV_H__ */ |
353 | |