Commit | Line | Data |
---|---|---|
7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
5fbe25c7 | 18 | /* |
7725ccfd JH |
19 | * bfad.c Linux driver PCI interface module. |
20 | */ | |
7725ccfd | 21 | #include <linux/module.h> |
e6714324 | 22 | #include <linux/kthread.h> |
a36c61f9 KG |
23 | #include <linux/errno.h> |
24 | #include <linux/sched.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/fs.h> | |
27 | #include <linux/pci.h> | |
28 | #include <linux/firmware.h> | |
29 | #include <asm/uaccess.h> | |
30 | #include <asm/fcntl.h> | |
31 | ||
7725ccfd JH |
32 | #include "bfad_drv.h" |
33 | #include "bfad_im.h" | |
a36c61f9 | 34 | #include "bfa_fcs.h" |
a36c61f9 KG |
35 | #include "bfa_defs.h" |
36 | #include "bfa.h" | |
7725ccfd JH |
37 | |
38 | BFA_TRC_FILE(LDRV, BFAD); | |
42b426ec | 39 | DEFINE_MUTEX(bfad_mutex); |
7725ccfd | 40 | LIST_HEAD(bfad_list); |
a36c61f9 KG |
41 | |
42 | static int bfad_inst; | |
43 | static int num_sgpgs_parm; | |
44 | int supported_fc4s; | |
45 | char *host_name, *os_name, *os_patch; | |
46 | int num_rports, num_ios, num_tms; | |
47 | int num_fcxps, num_ufbufs; | |
48 | int reqq_size, rspq_size, num_sgpgs; | |
49 | int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; | |
50 | int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; | |
51 | int bfa_io_max_sge = BFAD_IO_MAX_SGE; | |
88166242 | 52 | int bfa_log_level = 3; /* WARNING log level */ |
a36c61f9 KG |
53 | int ioc_auto_recover = BFA_TRUE; |
54 | int bfa_linkup_delay = -1; | |
55 | int fdmi_enable = BFA_TRUE; | |
56 | int pcie_max_read_reqsz; | |
ab2a9ba1 | 57 | int bfa_debugfs_enable = 1; |
a36c61f9 KG |
58 | int msix_disable_cb = 0, msix_disable_ct = 0; |
59 | ||
60 | u32 bfi_image_ct_fc_size, bfi_image_ct_cna_size, bfi_image_cb_fc_size; | |
61 | u32 *bfi_image_ct_fc, *bfi_image_ct_cna, *bfi_image_cb_fc; | |
62 | ||
52f94b6f | 63 | static const char *msix_name_ct[] = { |
a36c61f9 KG |
64 | "cpe0", "cpe1", "cpe2", "cpe3", |
65 | "rme0", "rme1", "rme2", "rme3", | |
66 | "ctrl" }; | |
67 | ||
52f94b6f | 68 | static const char *msix_name_cb[] = { |
a36c61f9 KG |
69 | "cpe0", "cpe1", "cpe2", "cpe3", |
70 | "rme0", "rme1", "rme2", "rme3", | |
71 | "eemc", "elpu0", "elpu1", "epss", "mlpu" }; | |
72 | ||
73 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC); | |
74 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA); | |
75 | MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC); | |
7725ccfd JH |
76 | |
77 | module_param(os_name, charp, S_IRUGO | S_IWUSR); | |
604158ad | 78 | MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); |
7725ccfd | 79 | module_param(os_patch, charp, S_IRUGO | S_IWUSR); |
604158ad | 80 | MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); |
7725ccfd | 81 | module_param(host_name, charp, S_IRUGO | S_IWUSR); |
604158ad | 82 | MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); |
7725ccfd | 83 | module_param(num_rports, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
84 | MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " |
85 | "(physical/logical), default=1024"); | |
7725ccfd | 86 | module_param(num_ios, int, S_IRUGO | S_IWUSR); |
604158ad | 87 | MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); |
7725ccfd | 88 | module_param(num_tms, int, S_IRUGO | S_IWUSR); |
604158ad | 89 | MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); |
7725ccfd | 90 | module_param(num_fcxps, int, S_IRUGO | S_IWUSR); |
604158ad | 91 | MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); |
7725ccfd | 92 | module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
93 | MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " |
94 | "buffers, default=64"); | |
7725ccfd | 95 | module_param(reqq_size, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
96 | MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " |
97 | "default=256"); | |
7725ccfd | 98 | module_param(rspq_size, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
99 | MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " |
100 | "default=64"); | |
7725ccfd | 101 | module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); |
604158ad | 102 | MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); |
7725ccfd | 103 | module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
104 | MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " |
105 | "Range[>0]"); | |
7725ccfd | 106 | module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); |
a36c61f9 | 107 | MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); |
7725ccfd | 108 | module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); |
604158ad | 109 | MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); |
88166242 JH |
110 | module_param(bfa_log_level, int, S_IRUGO | S_IWUSR); |
111 | MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, " | |
a36c61f9 | 112 | "Range[Critical:1|Error:2|Warning:3|Info:4]"); |
7725ccfd | 113 | module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
114 | MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " |
115 | "Range[off:0|on:1]"); | |
7725ccfd | 116 | module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
117 | MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " |
118 | "boot port. Otherwise 10 secs in RHEL4 & 0 for " | |
119 | "[RHEL5, SLES10, ESX40] Range[>0]"); | |
120 | module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); | |
121 | MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " | |
122 | "for Brocade-415/425/815/825 cards, default=0, " | |
123 | " Range[false:0|true:1]"); | |
124 | module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); | |
125 | MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " | |
126 | "if possible for Brocade-1010/1020/804/1007/902/1741 " | |
127 | "cards, default=0, Range[false:0|true:1]"); | |
604158ad | 128 | module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
129 | MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " |
130 | "Range[false:0|true:1]"); | |
131 | module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); | |
132 | MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " | |
133 | "(use system setting), Range[128|256|512|1024|2048|4096]"); | |
ab2a9ba1 JH |
134 | module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); |
135 | MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," | |
136 | " Range[false:0|true:1]"); | |
7725ccfd | 137 | |
a36c61f9 KG |
138 | static void |
139 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); | |
140 | static void | |
141 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); | |
142 | static void | |
143 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); | |
144 | static void | |
145 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); | |
146 | static void | |
147 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); | |
148 | static void | |
149 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); | |
150 | static void | |
151 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); | |
152 | ||
5fbe25c7 | 153 | /* |
a36c61f9 | 154 | * Beginning state for the driver instance, awaiting the pci_probe event |
7725ccfd | 155 | */ |
a36c61f9 KG |
156 | static void |
157 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) | |
158 | { | |
159 | bfa_trc(bfad, event); | |
160 | ||
161 | switch (event) { | |
162 | case BFAD_E_CREATE: | |
163 | bfa_sm_set_state(bfad, bfad_sm_created); | |
164 | bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, | |
165 | "%s", "bfad_worker"); | |
166 | if (IS_ERR(bfad->bfad_tsk)) { | |
167 | printk(KERN_INFO "bfad[%d]: Kernel thread " | |
168 | "creation failed!\n", bfad->inst_no); | |
169 | bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); | |
170 | } | |
171 | bfa_sm_send_event(bfad, BFAD_E_INIT); | |
172 | break; | |
173 | ||
174 | case BFAD_E_STOP: | |
175 | /* Ignore stop; already in uninit */ | |
176 | break; | |
177 | ||
178 | default: | |
179 | bfa_sm_fault(bfad, event); | |
180 | } | |
181 | } | |
7725ccfd | 182 | |
5fbe25c7 | 183 | /* |
a36c61f9 KG |
184 | * Driver Instance is created, awaiting event INIT to initialize the bfad |
185 | */ | |
186 | static void | |
187 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) | |
7725ccfd | 188 | { |
a36c61f9 | 189 | unsigned long flags; |
7725ccfd | 190 | |
a36c61f9 | 191 | bfa_trc(bfad, event); |
7725ccfd | 192 | |
a36c61f9 KG |
193 | switch (event) { |
194 | case BFAD_E_INIT: | |
195 | bfa_sm_set_state(bfad, bfad_sm_initializing); | |
7725ccfd | 196 | |
a36c61f9 | 197 | init_completion(&bfad->comp); |
e6714324 | 198 | |
a36c61f9 KG |
199 | /* Enable Interrupt and wait bfa_init completion */ |
200 | if (bfad_setup_intr(bfad)) { | |
201 | printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", | |
202 | bfad->inst_no); | |
203 | bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); | |
204 | break; | |
205 | } | |
206 | ||
207 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
f7f73812 | 208 | bfa_iocfc_init(&bfad->bfa); |
a36c61f9 KG |
209 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
210 | ||
211 | /* Set up interrupt handler for each vectors */ | |
212 | if ((bfad->bfad_flags & BFAD_MSIX_ON) && | |
213 | bfad_install_msix_handler(bfad)) { | |
214 | printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", | |
215 | __func__, bfad->inst_no); | |
216 | } | |
217 | ||
218 | bfad_init_timer(bfad); | |
219 | ||
220 | wait_for_completion(&bfad->comp); | |
221 | ||
222 | if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { | |
223 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); | |
224 | } else { | |
225 | bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; | |
226 | bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); | |
227 | } | |
228 | ||
229 | break; | |
230 | ||
231 | case BFAD_E_KTHREAD_CREATE_FAILED: | |
232 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
233 | break; | |
234 | ||
235 | default: | |
236 | bfa_sm_fault(bfad, event); | |
237 | } | |
7725ccfd JH |
238 | } |
239 | ||
240 | static void | |
a36c61f9 | 241 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 242 | { |
a36c61f9 KG |
243 | int retval; |
244 | unsigned long flags; | |
245 | ||
246 | bfa_trc(bfad, event); | |
247 | ||
248 | switch (event) { | |
249 | case BFAD_E_INIT_SUCCESS: | |
250 | kthread_stop(bfad->bfad_tsk); | |
251 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
252 | bfad->bfad_tsk = NULL; | |
253 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
254 | ||
255 | retval = bfad_start_ops(bfad); | |
256 | if (retval != BFA_STATUS_OK) | |
257 | break; | |
258 | bfa_sm_set_state(bfad, bfad_sm_operational); | |
259 | break; | |
260 | ||
261 | case BFAD_E_INTR_INIT_FAILED: | |
262 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
263 | kthread_stop(bfad->bfad_tsk); | |
264 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
265 | bfad->bfad_tsk = NULL; | |
266 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
267 | break; | |
268 | ||
269 | case BFAD_E_INIT_FAILED: | |
270 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
271 | break; | |
272 | default: | |
273 | bfa_sm_fault(bfad, event); | |
274 | } | |
7725ccfd JH |
275 | } |
276 | ||
277 | static void | |
a36c61f9 | 278 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 279 | { |
a36c61f9 | 280 | int retval; |
7725ccfd | 281 | |
a36c61f9 KG |
282 | bfa_trc(bfad, event); |
283 | ||
284 | switch (event) { | |
285 | case BFAD_E_INIT_SUCCESS: | |
286 | retval = bfad_start_ops(bfad); | |
287 | if (retval != BFA_STATUS_OK) | |
288 | break; | |
289 | bfa_sm_set_state(bfad, bfad_sm_operational); | |
290 | break; | |
291 | ||
292 | case BFAD_E_STOP: | |
293 | if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) | |
294 | bfad_uncfg_pport(bfad); | |
295 | if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { | |
296 | bfad_im_probe_undo(bfad); | |
297 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
298 | } | |
299 | bfad_stop(bfad); | |
300 | break; | |
301 | ||
302 | case BFAD_E_EXIT_COMP: | |
303 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
304 | bfad_remove_intr(bfad); | |
305 | del_timer_sync(&bfad->hal_tmo); | |
306 | break; | |
307 | ||
308 | default: | |
309 | bfa_sm_fault(bfad, event); | |
310 | } | |
7725ccfd JH |
311 | } |
312 | ||
a36c61f9 KG |
313 | static void |
314 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) | |
7725ccfd | 315 | { |
a36c61f9 | 316 | bfa_trc(bfad, event); |
7725ccfd | 317 | |
a36c61f9 KG |
318 | switch (event) { |
319 | case BFAD_E_STOP: | |
320 | bfa_sm_set_state(bfad, bfad_sm_fcs_exit); | |
321 | bfad_fcs_stop(bfad); | |
322 | break; | |
7725ccfd | 323 | |
a36c61f9 KG |
324 | default: |
325 | bfa_sm_fault(bfad, event); | |
326 | } | |
327 | } | |
7725ccfd | 328 | |
a36c61f9 KG |
329 | static void |
330 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) | |
331 | { | |
332 | bfa_trc(bfad, event); | |
333 | ||
334 | switch (event) { | |
335 | case BFAD_E_FCS_EXIT_COMP: | |
336 | bfa_sm_set_state(bfad, bfad_sm_stopping); | |
337 | bfad_stop(bfad); | |
338 | break; | |
339 | ||
340 | default: | |
341 | bfa_sm_fault(bfad, event); | |
342 | } | |
7725ccfd JH |
343 | } |
344 | ||
345 | static void | |
a36c61f9 | 346 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 347 | { |
a36c61f9 | 348 | bfa_trc(bfad, event); |
7725ccfd | 349 | |
a36c61f9 KG |
350 | switch (event) { |
351 | case BFAD_E_EXIT_COMP: | |
352 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
353 | bfad_remove_intr(bfad); | |
354 | del_timer_sync(&bfad->hal_tmo); | |
355 | bfad_im_probe_undo(bfad); | |
356 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
357 | bfad_uncfg_pport(bfad); | |
358 | break; | |
7725ccfd | 359 | |
a36c61f9 KG |
360 | default: |
361 | bfa_sm_fault(bfad, event); | |
362 | break; | |
363 | } | |
7725ccfd JH |
364 | } |
365 | ||
5fbe25c7 | 366 | /* |
7725ccfd JH |
367 | * BFA callbacks |
368 | */ | |
369 | void | |
370 | bfad_hcb_comp(void *arg, bfa_status_t status) | |
371 | { | |
372 | struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; | |
373 | ||
374 | fcomp->status = status; | |
375 | complete(&fcomp->comp); | |
376 | } | |
377 | ||
5fbe25c7 | 378 | /* |
7725ccfd JH |
379 | * bfa_init callback |
380 | */ | |
381 | void | |
382 | bfa_cb_init(void *drv, bfa_status_t init_status) | |
383 | { | |
a36c61f9 | 384 | struct bfad_s *bfad = drv; |
7725ccfd | 385 | |
e6714324 | 386 | if (init_status == BFA_STATUS_OK) { |
7725ccfd JH |
387 | bfad->bfad_flags |= BFAD_HAL_INIT_DONE; |
388 | ||
a36c61f9 KG |
389 | /* |
390 | * If BFAD_HAL_INIT_FAIL flag is set: | |
e6714324 KG |
391 | * Wake up the kernel thread to start |
392 | * the bfad operations after HAL init done | |
393 | */ | |
394 | if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { | |
395 | bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; | |
396 | wake_up_process(bfad->bfad_tsk); | |
397 | } | |
398 | } | |
399 | ||
7725ccfd JH |
400 | complete(&bfad->comp); |
401 | } | |
402 | ||
5fbe25c7 | 403 | /* |
7725ccfd JH |
404 | * BFA_FCS callbacks |
405 | */ | |
7725ccfd | 406 | struct bfad_port_s * |
a36c61f9 KG |
407 | bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, |
408 | enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, | |
7725ccfd JH |
409 | struct bfad_vport_s *vp_drv) |
410 | { | |
a36c61f9 KG |
411 | bfa_status_t rc; |
412 | struct bfad_port_s *port_drv; | |
7725ccfd JH |
413 | |
414 | if (!vp_drv && !vf_drv) { | |
415 | port_drv = &bfad->pport; | |
416 | port_drv->pvb_type = BFAD_PORT_PHYS_BASE; | |
417 | } else if (!vp_drv && vf_drv) { | |
418 | port_drv = &vf_drv->base_port; | |
419 | port_drv->pvb_type = BFAD_PORT_VF_BASE; | |
420 | } else if (vp_drv && !vf_drv) { | |
421 | port_drv = &vp_drv->drv_port; | |
422 | port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; | |
423 | } else { | |
424 | port_drv = &vp_drv->drv_port; | |
425 | port_drv->pvb_type = BFAD_PORT_VF_VPORT; | |
426 | } | |
427 | ||
428 | port_drv->fcs_port = port; | |
429 | port_drv->roles = roles; | |
a36c61f9 KG |
430 | |
431 | if (roles & BFA_LPORT_ROLE_FCP_IM) { | |
432 | rc = bfad_im_port_new(bfad, port_drv); | |
433 | if (rc != BFA_STATUS_OK) { | |
434 | bfad_im_port_delete(bfad, port_drv); | |
435 | port_drv = NULL; | |
436 | } | |
7725ccfd JH |
437 | } |
438 | ||
439 | return port_drv; | |
440 | } | |
441 | ||
442 | void | |
a36c61f9 | 443 | bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles, |
7725ccfd JH |
444 | struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) |
445 | { | |
a36c61f9 | 446 | struct bfad_port_s *port_drv; |
7725ccfd | 447 | |
a36c61f9 | 448 | /* this will be only called from rmmod context */ |
7725ccfd | 449 | if (vp_drv && !vp_drv->comp_del) { |
a36c61f9 KG |
450 | port_drv = (vp_drv) ? (&(vp_drv)->drv_port) : |
451 | ((vf_drv) ? (&(vf_drv)->base_port) : | |
452 | (&(bfad)->pport)); | |
7725ccfd | 453 | bfa_trc(bfad, roles); |
a36c61f9 KG |
454 | if (roles & BFA_LPORT_ROLE_FCP_IM) |
455 | bfad_im_port_delete(bfad, port_drv); | |
7725ccfd | 456 | } |
7725ccfd JH |
457 | } |
458 | ||
5fbe25c7 | 459 | /* |
7725ccfd JH |
460 | * FCS RPORT alloc callback, after successful PLOGI by FCS |
461 | */ | |
462 | bfa_status_t | |
463 | bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, | |
464 | struct bfad_rport_s **rport_drv) | |
465 | { | |
a36c61f9 | 466 | bfa_status_t rc = BFA_STATUS_OK; |
7725ccfd JH |
467 | |
468 | *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); | |
469 | if (*rport_drv == NULL) { | |
470 | rc = BFA_STATUS_ENOMEM; | |
471 | goto ext; | |
472 | } | |
473 | ||
474 | *rport = &(*rport_drv)->fcs_rport; | |
475 | ||
476 | ext: | |
477 | return rc; | |
478 | } | |
479 | ||
5fbe25c7 | 480 | /* |
d9883548 JH |
481 | * FCS PBC VPORT Create |
482 | */ | |
483 | void | |
484 | bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) | |
485 | { | |
486 | ||
a36c61f9 KG |
487 | struct bfa_lport_cfg_s port_cfg = {0}; |
488 | struct bfad_vport_s *vport; | |
489 | int rc; | |
d9883548 | 490 | |
a36c61f9 KG |
491 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); |
492 | if (!vport) { | |
d9883548 JH |
493 | bfa_trc(bfad, 0); |
494 | return; | |
495 | } | |
7725ccfd | 496 | |
a36c61f9 KG |
497 | vport->drv_port.bfad = bfad; |
498 | port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; | |
499 | port_cfg.pwwn = pbc_vport.vp_pwwn; | |
500 | port_cfg.nwwn = pbc_vport.vp_nwwn; | |
501 | port_cfg.preboot_vp = BFA_TRUE; | |
502 | ||
503 | rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, | |
504 | &port_cfg, vport); | |
d9883548 | 505 | |
a36c61f9 KG |
506 | if (rc != BFA_STATUS_OK) { |
507 | bfa_trc(bfad, 0); | |
508 | return; | |
509 | } | |
d9883548 | 510 | |
a36c61f9 | 511 | list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); |
d9883548 | 512 | } |
7725ccfd JH |
513 | |
514 | void | |
515 | bfad_hal_mem_release(struct bfad_s *bfad) | |
516 | { | |
a36c61f9 | 517 | int i; |
7725ccfd JH |
518 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
519 | struct bfa_mem_elem_s *meminfo_elem; | |
520 | ||
521 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { | |
522 | meminfo_elem = &hal_meminfo->meminfo[i]; | |
523 | if (meminfo_elem->kva != NULL) { | |
524 | switch (meminfo_elem->mem_type) { | |
525 | case BFA_MEM_TYPE_KVA: | |
526 | vfree(meminfo_elem->kva); | |
527 | break; | |
528 | case BFA_MEM_TYPE_DMA: | |
529 | dma_free_coherent(&bfad->pcidev->dev, | |
a36c61f9 KG |
530 | meminfo_elem->mem_len, |
531 | meminfo_elem->kva, | |
532 | (dma_addr_t) meminfo_elem->dma); | |
7725ccfd JH |
533 | break; |
534 | default: | |
d4b671c5 | 535 | WARN_ON(1); |
7725ccfd JH |
536 | break; |
537 | } | |
538 | } | |
539 | } | |
540 | ||
541 | memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); | |
542 | } | |
543 | ||
544 | void | |
545 | bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) | |
546 | { | |
547 | if (num_rports > 0) | |
548 | bfa_cfg->fwcfg.num_rports = num_rports; | |
549 | if (num_ios > 0) | |
550 | bfa_cfg->fwcfg.num_ioim_reqs = num_ios; | |
551 | if (num_tms > 0) | |
552 | bfa_cfg->fwcfg.num_tskim_reqs = num_tms; | |
553 | if (num_fcxps > 0) | |
554 | bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; | |
555 | if (num_ufbufs > 0) | |
556 | bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; | |
557 | if (reqq_size > 0) | |
558 | bfa_cfg->drvcfg.num_reqq_elems = reqq_size; | |
559 | if (rspq_size > 0) | |
560 | bfa_cfg->drvcfg.num_rspq_elems = rspq_size; | |
561 | if (num_sgpgs > 0) | |
562 | bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; | |
563 | ||
564 | /* | |
565 | * populate the hal values back to the driver for sysfs use. | |
566 | * otherwise, the default values will be shown as 0 in sysfs | |
567 | */ | |
568 | num_rports = bfa_cfg->fwcfg.num_rports; | |
a36c61f9 KG |
569 | num_ios = bfa_cfg->fwcfg.num_ioim_reqs; |
570 | num_tms = bfa_cfg->fwcfg.num_tskim_reqs; | |
571 | num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; | |
7725ccfd | 572 | num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; |
a36c61f9 KG |
573 | reqq_size = bfa_cfg->drvcfg.num_reqq_elems; |
574 | rspq_size = bfa_cfg->drvcfg.num_rspq_elems; | |
575 | num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; | |
7725ccfd JH |
576 | } |
577 | ||
578 | bfa_status_t | |
579 | bfad_hal_mem_alloc(struct bfad_s *bfad) | |
580 | { | |
a36c61f9 | 581 | int i; |
7725ccfd JH |
582 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
583 | struct bfa_mem_elem_s *meminfo_elem; | |
a36c61f9 KG |
584 | dma_addr_t phys_addr; |
585 | void *kva; | |
586 | bfa_status_t rc = BFA_STATUS_OK; | |
587 | int retry_count = 0; | |
588 | int reset_value = 1; | |
589 | int min_num_sgpgs = 512; | |
7725ccfd JH |
590 | |
591 | bfa_cfg_get_default(&bfad->ioc_cfg); | |
592 | ||
593 | retry: | |
594 | bfad_update_hal_cfg(&bfad->ioc_cfg); | |
595 | bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; | |
596 | bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); | |
597 | ||
598 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { | |
599 | meminfo_elem = &hal_meminfo->meminfo[i]; | |
600 | switch (meminfo_elem->mem_type) { | |
601 | case BFA_MEM_TYPE_KVA: | |
602 | kva = vmalloc(meminfo_elem->mem_len); | |
603 | if (kva == NULL) { | |
604 | bfad_hal_mem_release(bfad); | |
605 | rc = BFA_STATUS_ENOMEM; | |
606 | goto ext; | |
607 | } | |
608 | memset(kva, 0, meminfo_elem->mem_len); | |
609 | meminfo_elem->kva = kva; | |
610 | break; | |
611 | case BFA_MEM_TYPE_DMA: | |
612 | kva = dma_alloc_coherent(&bfad->pcidev->dev, | |
a36c61f9 | 613 | meminfo_elem->mem_len, &phys_addr, GFP_KERNEL); |
7725ccfd JH |
614 | if (kva == NULL) { |
615 | bfad_hal_mem_release(bfad); | |
616 | /* | |
617 | * If we cannot allocate with default | |
618 | * num_sgpages try with half the value. | |
619 | */ | |
620 | if (num_sgpgs > min_num_sgpgs) { | |
a36c61f9 KG |
621 | printk(KERN_INFO |
622 | "bfad[%d]: memory allocation failed" | |
623 | " with num_sgpgs: %d\n", | |
7725ccfd JH |
624 | bfad->inst_no, num_sgpgs); |
625 | nextLowerInt(&num_sgpgs); | |
a36c61f9 KG |
626 | printk(KERN_INFO |
627 | "bfad[%d]: trying to allocate memory" | |
628 | " with num_sgpgs: %d\n", | |
7725ccfd JH |
629 | bfad->inst_no, num_sgpgs); |
630 | retry_count++; | |
631 | goto retry; | |
632 | } else { | |
633 | if (num_sgpgs_parm > 0) | |
634 | num_sgpgs = num_sgpgs_parm; | |
635 | else { | |
636 | reset_value = | |
637 | (1 << retry_count); | |
638 | num_sgpgs *= reset_value; | |
639 | } | |
640 | rc = BFA_STATUS_ENOMEM; | |
641 | goto ext; | |
642 | } | |
643 | } | |
644 | ||
645 | if (num_sgpgs_parm > 0) | |
646 | num_sgpgs = num_sgpgs_parm; | |
647 | else { | |
648 | reset_value = (1 << retry_count); | |
649 | num_sgpgs *= reset_value; | |
650 | } | |
651 | ||
652 | memset(kva, 0, meminfo_elem->mem_len); | |
653 | meminfo_elem->kva = kva; | |
654 | meminfo_elem->dma = phys_addr; | |
655 | break; | |
656 | default: | |
657 | break; | |
658 | ||
659 | } | |
660 | } | |
661 | ext: | |
662 | return rc; | |
663 | } | |
664 | ||
5fbe25c7 | 665 | /* |
7725ccfd JH |
666 | * Create a vport under a vf. |
667 | */ | |
668 | bfa_status_t | |
669 | bfad_vport_create(struct bfad_s *bfad, u16 vf_id, | |
a36c61f9 | 670 | struct bfa_lport_cfg_s *port_cfg, struct device *dev) |
7725ccfd | 671 | { |
a36c61f9 KG |
672 | struct bfad_vport_s *vport; |
673 | int rc = BFA_STATUS_OK; | |
674 | unsigned long flags; | |
7725ccfd JH |
675 | struct completion fcomp; |
676 | ||
677 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); | |
678 | if (!vport) { | |
679 | rc = BFA_STATUS_ENOMEM; | |
680 | goto ext; | |
681 | } | |
682 | ||
683 | vport->drv_port.bfad = bfad; | |
684 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
685 | rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, |
686 | port_cfg, vport); | |
7725ccfd JH |
687 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
688 | ||
689 | if (rc != BFA_STATUS_OK) | |
690 | goto ext_free_vport; | |
691 | ||
a36c61f9 | 692 | if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { |
b504293f JH |
693 | rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, |
694 | dev); | |
7725ccfd JH |
695 | if (rc != BFA_STATUS_OK) |
696 | goto ext_free_fcs_vport; | |
697 | } | |
698 | ||
699 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
700 | bfa_fcs_vport_start(&vport->fcs_vport); | |
701 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
702 | ||
703 | return BFA_STATUS_OK; | |
704 | ||
705 | ext_free_fcs_vport: | |
706 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
707 | vport->comp_del = &fcomp; | |
708 | init_completion(vport->comp_del); | |
709 | bfa_fcs_vport_delete(&vport->fcs_vport); | |
710 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
711 | wait_for_completion(vport->comp_del); | |
712 | ext_free_vport: | |
713 | kfree(vport); | |
714 | ext: | |
715 | return rc; | |
716 | } | |
717 | ||
7725ccfd JH |
718 | void |
719 | bfad_bfa_tmo(unsigned long data) | |
720 | { | |
a36c61f9 KG |
721 | struct bfad_s *bfad = (struct bfad_s *) data; |
722 | unsigned long flags; | |
723 | struct list_head doneq; | |
7725ccfd JH |
724 | |
725 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
726 | ||
f7f73812 | 727 | bfa_timer_beat(&bfad->bfa.timer_mod); |
7725ccfd JH |
728 | |
729 | bfa_comp_deq(&bfad->bfa, &doneq); | |
730 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
731 | ||
732 | if (!list_empty(&doneq)) { | |
733 | bfa_comp_process(&bfad->bfa, &doneq); | |
734 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
735 | bfa_comp_free(&bfad->bfa, &doneq); | |
736 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
737 | } | |
738 | ||
a36c61f9 KG |
739 | mod_timer(&bfad->hal_tmo, |
740 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
741 | } |
742 | ||
743 | void | |
744 | bfad_init_timer(struct bfad_s *bfad) | |
745 | { | |
746 | init_timer(&bfad->hal_tmo); | |
747 | bfad->hal_tmo.function = bfad_bfa_tmo; | |
748 | bfad->hal_tmo.data = (unsigned long)bfad; | |
749 | ||
a36c61f9 KG |
750 | mod_timer(&bfad->hal_tmo, |
751 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
752 | } |
753 | ||
754 | int | |
755 | bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) | |
756 | { | |
a36c61f9 | 757 | int rc = -ENODEV; |
7725ccfd JH |
758 | |
759 | if (pci_enable_device(pdev)) { | |
a36c61f9 | 760 | printk(KERN_ERR "pci_enable_device fail %p\n", pdev); |
7725ccfd JH |
761 | goto out; |
762 | } | |
763 | ||
764 | if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) | |
765 | goto out_disable_device; | |
766 | ||
767 | pci_set_master(pdev); | |
768 | ||
769 | ||
770 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) | |
771 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { | |
a36c61f9 | 772 | printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); |
7725ccfd JH |
773 | goto out_release_region; |
774 | } | |
775 | ||
b3522f08 | 776 | bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); |
7725ccfd JH |
777 | |
778 | if (bfad->pci_bar0_kva == NULL) { | |
a36c61f9 | 779 | printk(KERN_ERR "Fail to map bar0\n"); |
7725ccfd JH |
780 | goto out_release_region; |
781 | } | |
782 | ||
783 | bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); | |
784 | bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); | |
785 | bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; | |
786 | bfad->hal_pcidev.device_id = pdev->device; | |
787 | bfad->pci_name = pci_name(pdev); | |
788 | ||
789 | bfad->pci_attr.vendor_id = pdev->vendor; | |
790 | bfad->pci_attr.device_id = pdev->device; | |
791 | bfad->pci_attr.ssid = pdev->subsystem_device; | |
792 | bfad->pci_attr.ssvid = pdev->subsystem_vendor; | |
793 | bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); | |
794 | ||
795 | bfad->pcidev = pdev; | |
a36c61f9 KG |
796 | |
797 | /* Adjust PCIe Maximum Read Request Size */ | |
798 | if (pcie_max_read_reqsz > 0) { | |
799 | int pcie_cap_reg; | |
800 | u16 pcie_dev_ctl; | |
801 | u16 mask = 0xffff; | |
802 | ||
803 | switch (pcie_max_read_reqsz) { | |
804 | case 128: | |
805 | mask = 0x0; | |
806 | break; | |
807 | case 256: | |
808 | mask = 0x1000; | |
809 | break; | |
810 | case 512: | |
811 | mask = 0x2000; | |
812 | break; | |
813 | case 1024: | |
814 | mask = 0x3000; | |
815 | break; | |
816 | case 2048: | |
817 | mask = 0x4000; | |
818 | break; | |
819 | case 4096: | |
820 | mask = 0x5000; | |
821 | break; | |
822 | default: | |
823 | break; | |
824 | } | |
825 | ||
826 | pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
827 | if (mask != 0xffff && pcie_cap_reg) { | |
828 | pcie_cap_reg += 0x08; | |
829 | pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); | |
830 | if ((pcie_dev_ctl & 0x7000) != mask) { | |
831 | printk(KERN_WARNING "BFA[%s]: " | |
832 | "pcie_max_read_request_size is %d, " | |
833 | "reset to %d\n", bfad->pci_name, | |
834 | (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, | |
835 | pcie_max_read_reqsz); | |
836 | ||
837 | pcie_dev_ctl &= ~0x7000; | |
838 | pci_write_config_word(pdev, pcie_cap_reg, | |
839 | pcie_dev_ctl | mask); | |
840 | } | |
841 | } | |
842 | } | |
843 | ||
7725ccfd JH |
844 | return 0; |
845 | ||
846 | out_release_region: | |
847 | pci_release_regions(pdev); | |
848 | out_disable_device: | |
849 | pci_disable_device(pdev); | |
850 | out: | |
851 | return rc; | |
852 | } | |
853 | ||
854 | void | |
855 | bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) | |
856 | { | |
7725ccfd | 857 | pci_iounmap(pdev, bfad->pci_bar0_kva); |
7725ccfd JH |
858 | pci_release_regions(pdev); |
859 | pci_disable_device(pdev); | |
860 | pci_set_drvdata(pdev, NULL); | |
861 | } | |
862 | ||
7725ccfd JH |
863 | bfa_status_t |
864 | bfad_drv_init(struct bfad_s *bfad) | |
865 | { | |
a36c61f9 KG |
866 | bfa_status_t rc; |
867 | unsigned long flags; | |
7725ccfd JH |
868 | |
869 | bfad->cfg_data.rport_del_timeout = rport_del_timeout; | |
870 | bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; | |
871 | bfad->cfg_data.io_max_sge = bfa_io_max_sge; | |
872 | bfad->cfg_data.binding_method = FCP_PWWN_BINDING; | |
873 | ||
874 | rc = bfad_hal_mem_alloc(bfad); | |
875 | if (rc != BFA_STATUS_OK) { | |
876 | printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", | |
877 | bfad->inst_no); | |
878 | printk(KERN_WARNING | |
a36c61f9 KG |
879 | "Not enough memory to attach all Brocade HBA ports, %s", |
880 | "System may need more memory.\n"); | |
7725ccfd JH |
881 | goto out_hal_mem_alloc_failure; |
882 | } | |
883 | ||
f7f73812 MZ |
884 | bfad->bfa.trcmod = bfad->trcmod; |
885 | bfad->bfa.plog = &bfad->plog_buf; | |
7725ccfd JH |
886 | bfa_plog_init(&bfad->plog_buf); |
887 | bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, | |
888 | 0, "Driver Attach"); | |
889 | ||
890 | bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, | |
891 | &bfad->hal_pcidev); | |
892 | ||
a36c61f9 | 893 | /* FCS INIT */ |
7725ccfd | 894 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
f7f73812 | 895 | bfad->bfa_fcs.trcmod = bfad->trcmod; |
82794a2e | 896 | bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); |
f7f73812 | 897 | bfad->bfa_fcs.fdmi_enabled = fdmi_enable; |
7725ccfd JH |
898 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
899 | ||
900 | bfad->bfad_flags |= BFAD_DRV_INIT_DONE; | |
a36c61f9 | 901 | |
7725ccfd JH |
902 | return BFA_STATUS_OK; |
903 | ||
7725ccfd JH |
904 | out_hal_mem_alloc_failure: |
905 | return BFA_STATUS_FAILED; | |
906 | } | |
907 | ||
908 | void | |
909 | bfad_drv_uninit(struct bfad_s *bfad) | |
910 | { | |
e6714324 KG |
911 | unsigned long flags; |
912 | ||
913 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
914 | init_completion(&bfad->comp); | |
f7f73812 | 915 | bfa_iocfc_stop(&bfad->bfa); |
e6714324 KG |
916 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
917 | wait_for_completion(&bfad->comp); | |
918 | ||
7725ccfd JH |
919 | del_timer_sync(&bfad->hal_tmo); |
920 | bfa_isr_disable(&bfad->bfa); | |
921 | bfa_detach(&bfad->bfa); | |
922 | bfad_remove_intr(bfad); | |
7725ccfd | 923 | bfad_hal_mem_release(bfad); |
e6714324 KG |
924 | |
925 | bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; | |
7725ccfd JH |
926 | } |
927 | ||
928 | void | |
929 | bfad_drv_start(struct bfad_s *bfad) | |
930 | { | |
a36c61f9 | 931 | unsigned long flags; |
7725ccfd JH |
932 | |
933 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
f7f73812 MZ |
934 | bfa_iocfc_start(&bfad->bfa); |
935 | bfa_fcs_fabric_modstart(&bfad->bfa_fcs); | |
7725ccfd JH |
936 | bfad->bfad_flags |= BFAD_HAL_START_DONE; |
937 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
938 | ||
a36c61f9 KG |
939 | if (bfad->im) |
940 | flush_workqueue(bfad->im->drv_workq); | |
7725ccfd JH |
941 | } |
942 | ||
943 | void | |
a36c61f9 | 944 | bfad_fcs_stop(struct bfad_s *bfad) |
7725ccfd | 945 | { |
a36c61f9 | 946 | unsigned long flags; |
7725ccfd JH |
947 | |
948 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
949 | init_completion(&bfad->comp); | |
950 | bfad->pport.flags |= BFAD_PORT_DELETE; | |
951 | bfa_fcs_exit(&bfad->bfa_fcs); | |
952 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
953 | wait_for_completion(&bfad->comp); | |
954 | ||
a36c61f9 KG |
955 | bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); |
956 | } | |
957 | ||
958 | void | |
959 | bfad_stop(struct bfad_s *bfad) | |
960 | { | |
961 | unsigned long flags; | |
962 | ||
7725ccfd JH |
963 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
964 | init_completion(&bfad->comp); | |
f7f73812 | 965 | bfa_iocfc_stop(&bfad->bfa); |
7725ccfd JH |
966 | bfad->bfad_flags &= ~BFAD_HAL_START_DONE; |
967 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
968 | wait_for_completion(&bfad->comp); | |
a36c61f9 KG |
969 | |
970 | bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); | |
7725ccfd JH |
971 | } |
972 | ||
973 | bfa_status_t | |
a36c61f9 | 974 | bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) |
7725ccfd | 975 | { |
a36c61f9 | 976 | int rc = BFA_STATUS_OK; |
7725ccfd | 977 | |
a36c61f9 KG |
978 | /* Allocate scsi_host for the physical port */ |
979 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && | |
980 | (role & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
981 | if (bfad->pport.im_port == NULL) { |
982 | rc = BFA_STATUS_FAILED; | |
983 | goto out; | |
984 | } | |
985 | ||
b504293f JH |
986 | rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, |
987 | &bfad->pcidev->dev); | |
7725ccfd JH |
988 | if (rc != BFA_STATUS_OK) |
989 | goto out; | |
990 | ||
a36c61f9 | 991 | bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
992 | } |
993 | ||
ab2a9ba1 JH |
994 | /* Setup the debugfs node for this scsi_host */ |
995 | if (bfa_debugfs_enable) | |
996 | bfad_debugfs_init(&bfad->pport); | |
997 | ||
7725ccfd JH |
998 | bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; |
999 | ||
1000 | out: | |
1001 | return rc; | |
1002 | } | |
1003 | ||
1004 | void | |
1005 | bfad_uncfg_pport(struct bfad_s *bfad) | |
1006 | { | |
a36c61f9 | 1007 | /* Remove the debugfs node for this scsi_host */ |
ab2a9ba1 JH |
1008 | kfree(bfad->regdata); |
1009 | bfad_debugfs_exit(&bfad->pport); | |
1010 | ||
a36c61f9 KG |
1011 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && |
1012 | (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
1013 | bfad_im_scsi_host_free(bfad, bfad->pport.im_port); |
1014 | bfad_im_port_clean(bfad->pport.im_port); | |
1015 | kfree(bfad->pport.im_port); | |
a36c61f9 | 1016 | bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
1017 | } |
1018 | ||
1019 | bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; | |
1020 | } | |
1021 | ||
e6714324 | 1022 | bfa_status_t |
a36c61f9 KG |
1023 | bfad_start_ops(struct bfad_s *bfad) { |
1024 | ||
1025 | int retval; | |
1026 | unsigned long flags; | |
1027 | struct bfad_vport_s *vport, *vport_new; | |
1028 | struct bfa_fcs_driver_info_s driver_info; | |
1029 | ||
1030 | /* Fill the driver_info info to fcs*/ | |
1031 | memset(&driver_info, 0, sizeof(driver_info)); | |
1032 | strncpy(driver_info.version, BFAD_DRIVER_VERSION, | |
1033 | sizeof(driver_info.version) - 1); | |
1034 | if (host_name) | |
1035 | strncpy(driver_info.host_machine_name, host_name, | |
1036 | sizeof(driver_info.host_machine_name) - 1); | |
1037 | if (os_name) | |
1038 | strncpy(driver_info.host_os_name, os_name, | |
1039 | sizeof(driver_info.host_os_name) - 1); | |
1040 | if (os_patch) | |
1041 | strncpy(driver_info.host_os_patch, os_patch, | |
1042 | sizeof(driver_info.host_os_patch) - 1); | |
1043 | ||
1044 | strncpy(driver_info.os_device_name, bfad->pci_name, | |
1045 | sizeof(driver_info.os_device_name - 1)); | |
1046 | ||
1047 | /* FCS INIT */ | |
1048 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1049 | bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); | |
1050 | bfa_fcs_init(&bfad->bfa_fcs); | |
1051 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
e6714324 | 1052 | |
a36c61f9 | 1053 | retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); |
e6714324 | 1054 | if (retval != BFA_STATUS_OK) { |
a36c61f9 KG |
1055 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) |
1056 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
1057 | bfad_stop(bfad); | |
1058 | return BFA_STATUS_FAILED; | |
e6714324 KG |
1059 | } |
1060 | ||
a36c61f9 KG |
1061 | /* BFAD level FC4 IM specific resource allocation */ |
1062 | retval = bfad_im_probe(bfad); | |
1063 | if (retval != BFA_STATUS_OK) { | |
1064 | printk(KERN_WARNING "bfad_im_probe failed\n"); | |
1065 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) | |
1066 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
1067 | bfad_im_probe_undo(bfad); | |
1068 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
1069 | bfad_uncfg_pport(bfad); | |
1070 | bfad_stop(bfad); | |
1071 | return BFA_STATUS_FAILED; | |
1072 | } else | |
1073 | bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; | |
1074 | ||
e6714324 KG |
1075 | bfad_drv_start(bfad); |
1076 | ||
a36c61f9 KG |
1077 | /* Complete pbc vport create */ |
1078 | list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, | |
1079 | list_entry) { | |
d9883548 JH |
1080 | struct fc_vport_identifiers vid; |
1081 | struct fc_vport *fc_vport; | |
a36c61f9 | 1082 | char pwwn_buf[BFA_STRING_32]; |
d9883548 JH |
1083 | |
1084 | memset(&vid, 0, sizeof(vid)); | |
1085 | vid.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
1086 | vid.vport_type = FC_PORTTYPE_NPIV; | |
1087 | vid.disable = false; | |
a36c61f9 KG |
1088 | vid.node_name = wwn_to_u64((u8 *) |
1089 | (&((vport->fcs_vport).lport.port_cfg.nwwn))); | |
1090 | vid.port_name = wwn_to_u64((u8 *) | |
1091 | (&((vport->fcs_vport).lport.port_cfg.pwwn))); | |
d9883548 | 1092 | fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); |
a36c61f9 KG |
1093 | if (!fc_vport) { |
1094 | wwn2str(pwwn_buf, vid.port_name); | |
d9883548 | 1095 | printk(KERN_WARNING "bfad%d: failed to create pbc vport" |
a36c61f9 KG |
1096 | " %s\n", bfad->inst_no, pwwn_buf); |
1097 | } | |
1098 | list_del(&vport->list_entry); | |
1099 | kfree(vport); | |
d9883548 JH |
1100 | } |
1101 | ||
e6714324 KG |
1102 | /* |
1103 | * If bfa_linkup_delay is set to -1 default; try to retrive the | |
f16a1750 | 1104 | * value using the bfad_get_linkup_delay(); else use the |
e6714324 KG |
1105 | * passed in module param value as the bfa_linkup_delay. |
1106 | */ | |
1107 | if (bfa_linkup_delay < 0) { | |
f16a1750 MZ |
1108 | bfa_linkup_delay = bfad_get_linkup_delay(bfad); |
1109 | bfad_rport_online_wait(bfad); | |
e6714324 | 1110 | bfa_linkup_delay = -1; |
a36c61f9 | 1111 | } else |
f16a1750 | 1112 | bfad_rport_online_wait(bfad); |
e6714324 | 1113 | |
88166242 | 1114 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); |
e6714324 KG |
1115 | |
1116 | return BFA_STATUS_OK; | |
e6714324 KG |
1117 | } |
1118 | ||
1119 | int | |
d9883548 | 1120 | bfad_worker(void *ptr) |
e6714324 KG |
1121 | { |
1122 | struct bfad_s *bfad; | |
1123 | unsigned long flags; | |
1124 | ||
1125 | bfad = (struct bfad_s *)ptr; | |
1126 | ||
1127 | while (!kthread_should_stop()) { | |
1128 | ||
a36c61f9 KG |
1129 | /* Send event BFAD_E_INIT_SUCCESS */ |
1130 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); | |
e6714324 KG |
1131 | |
1132 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1133 | bfad->bfad_tsk = NULL; | |
1134 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1135 | ||
1136 | break; | |
1137 | } | |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
5fbe25c7 | 1142 | /* |
a36c61f9 KG |
1143 | * BFA driver interrupt functions |
1144 | */ | |
1145 | irqreturn_t | |
1146 | bfad_intx(int irq, void *dev_id) | |
1147 | { | |
1148 | struct bfad_s *bfad = dev_id; | |
1149 | struct list_head doneq; | |
1150 | unsigned long flags; | |
1151 | bfa_boolean_t rc; | |
1152 | ||
1153 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1154 | rc = bfa_intx(&bfad->bfa); | |
1155 | if (!rc) { | |
1156 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1157 | return IRQ_NONE; | |
1158 | } | |
1159 | ||
1160 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1161 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1162 | ||
1163 | if (!list_empty(&doneq)) { | |
1164 | bfa_comp_process(&bfad->bfa, &doneq); | |
1165 | ||
1166 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1167 | bfa_comp_free(&bfad->bfa, &doneq); | |
1168 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
1169 | } |
1170 | ||
1171 | return IRQ_HANDLED; | |
1172 | ||
1173 | } | |
1174 | ||
1175 | static irqreturn_t | |
1176 | bfad_msix(int irq, void *dev_id) | |
1177 | { | |
1178 | struct bfad_msix_s *vec = dev_id; | |
1179 | struct bfad_s *bfad = vec->bfad; | |
1180 | struct list_head doneq; | |
1181 | unsigned long flags; | |
1182 | ||
1183 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1184 | ||
1185 | bfa_msix(&bfad->bfa, vec->msix.entry); | |
1186 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1187 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1188 | ||
1189 | if (!list_empty(&doneq)) { | |
1190 | bfa_comp_process(&bfad->bfa, &doneq); | |
1191 | ||
1192 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1193 | bfa_comp_free(&bfad->bfa, &doneq); | |
1194 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1195 | } | |
1196 | ||
1197 | return IRQ_HANDLED; | |
1198 | } | |
1199 | ||
5fbe25c7 | 1200 | /* |
a36c61f9 KG |
1201 | * Initialize the MSIX entry table. |
1202 | */ | |
1203 | static void | |
1204 | bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, | |
1205 | int mask, int max_bit) | |
1206 | { | |
1207 | int i; | |
1208 | int match = 0x00000001; | |
1209 | ||
1210 | for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { | |
1211 | if (mask & match) { | |
1212 | bfad->msix_tab[bfad->nvec].msix.entry = i; | |
1213 | bfad->msix_tab[bfad->nvec].bfad = bfad; | |
1214 | msix_entries[bfad->nvec].entry = i; | |
1215 | bfad->nvec++; | |
1216 | } | |
1217 | ||
1218 | match <<= 1; | |
1219 | } | |
1220 | ||
1221 | } | |
1222 | ||
1223 | int | |
1224 | bfad_install_msix_handler(struct bfad_s *bfad) | |
1225 | { | |
1226 | int i, error = 0; | |
1227 | ||
1228 | for (i = 0; i < bfad->nvec; i++) { | |
1229 | sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", | |
1230 | bfad->pci_name, | |
1231 | ((bfa_asic_id_ct(bfad->hal_pcidev.device_id)) ? | |
1232 | msix_name_ct[i] : msix_name_cb[i])); | |
1233 | ||
1234 | error = request_irq(bfad->msix_tab[i].msix.vector, | |
1235 | (irq_handler_t) bfad_msix, 0, | |
1236 | bfad->msix_tab[i].name, &bfad->msix_tab[i]); | |
1237 | bfa_trc(bfad, i); | |
1238 | bfa_trc(bfad, bfad->msix_tab[i].msix.vector); | |
1239 | if (error) { | |
1240 | int j; | |
1241 | ||
1242 | for (j = 0; j < i; j++) | |
1243 | free_irq(bfad->msix_tab[j].msix.vector, | |
1244 | &bfad->msix_tab[j]); | |
1245 | ||
1246 | return 1; | |
1247 | } | |
1248 | } | |
1249 | ||
1250 | return 0; | |
1251 | } | |
1252 | ||
5fbe25c7 | 1253 | /* |
a36c61f9 KG |
1254 | * Setup MSIX based interrupt. |
1255 | */ | |
1256 | int | |
1257 | bfad_setup_intr(struct bfad_s *bfad) | |
1258 | { | |
1259 | int error = 0; | |
1260 | u32 mask = 0, i, num_bit = 0, max_bit = 0; | |
1261 | struct msix_entry msix_entries[MAX_MSIX_ENTRY]; | |
1262 | struct pci_dev *pdev = bfad->pcidev; | |
1263 | ||
1264 | /* Call BFA to get the msix map for this PCI function. */ | |
1265 | bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); | |
1266 | ||
1267 | /* Set up the msix entry table */ | |
1268 | bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); | |
1269 | ||
1270 | if ((bfa_asic_id_ct(pdev->device) && !msix_disable_ct) || | |
1271 | (!bfa_asic_id_ct(pdev->device) && !msix_disable_cb)) { | |
1272 | ||
1273 | error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); | |
1274 | if (error) { | |
1275 | /* | |
1276 | * Only error number of vector is available. | |
1277 | * We don't have a mechanism to map multiple | |
1278 | * interrupts into one vector, so even if we | |
1279 | * can try to request less vectors, we don't | |
1280 | * know how to associate interrupt events to | |
25985edc | 1281 | * vectors. Linux doesn't duplicate vectors |
a36c61f9 KG |
1282 | * in the MSIX table for this case. |
1283 | */ | |
1284 | ||
1285 | printk(KERN_WARNING "bfad%d: " | |
1286 | "pci_enable_msix failed (%d)," | |
1287 | " use line based.\n", bfad->inst_no, error); | |
1288 | ||
1289 | goto line_based; | |
1290 | } | |
1291 | ||
1292 | /* Save the vectors */ | |
1293 | for (i = 0; i < bfad->nvec; i++) { | |
1294 | bfa_trc(bfad, msix_entries[i].vector); | |
1295 | bfad->msix_tab[i].msix.vector = msix_entries[i].vector; | |
1296 | } | |
1297 | ||
1298 | bfa_msix_init(&bfad->bfa, bfad->nvec); | |
1299 | ||
1300 | bfad->bfad_flags |= BFAD_MSIX_ON; | |
1301 | ||
1302 | return error; | |
1303 | } | |
1304 | ||
1305 | line_based: | |
1306 | error = 0; | |
1307 | if (request_irq | |
1308 | (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, | |
1309 | BFAD_DRIVER_NAME, bfad) != 0) { | |
1310 | /* Enable interrupt handler failed */ | |
1311 | return 1; | |
1312 | } | |
1313 | ||
1314 | return error; | |
1315 | } | |
1316 | ||
1317 | void | |
1318 | bfad_remove_intr(struct bfad_s *bfad) | |
1319 | { | |
1320 | int i; | |
1321 | ||
1322 | if (bfad->bfad_flags & BFAD_MSIX_ON) { | |
1323 | for (i = 0; i < bfad->nvec; i++) | |
1324 | free_irq(bfad->msix_tab[i].msix.vector, | |
1325 | &bfad->msix_tab[i]); | |
1326 | ||
1327 | pci_disable_msix(bfad->pcidev); | |
1328 | bfad->bfad_flags &= ~BFAD_MSIX_ON; | |
1329 | } else { | |
1330 | free_irq(bfad->pcidev->irq, bfad); | |
1331 | } | |
1332 | } | |
7725ccfd | 1333 | |
5fbe25c7 | 1334 | /* |
7725ccfd JH |
1335 | * PCI probe entry. |
1336 | */ | |
1337 | int | |
1338 | bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1339 | { | |
a36c61f9 KG |
1340 | struct bfad_s *bfad; |
1341 | int error = -ENODEV, retval; | |
7725ccfd | 1342 | |
a36c61f9 KG |
1343 | /* For single port cards - only claim function 0 */ |
1344 | if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && | |
1345 | (PCI_FUNC(pdev->devfn) != 0)) | |
7725ccfd JH |
1346 | return -ENODEV; |
1347 | ||
7725ccfd JH |
1348 | bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); |
1349 | if (!bfad) { | |
1350 | error = -ENOMEM; | |
1351 | goto out; | |
1352 | } | |
1353 | ||
1354 | bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); | |
1355 | if (!bfad->trcmod) { | |
1356 | printk(KERN_WARNING "Error alloc trace buffer!\n"); | |
1357 | error = -ENOMEM; | |
1358 | goto out_alloc_trace_failure; | |
1359 | } | |
1360 | ||
a36c61f9 | 1361 | /* TRACE INIT */ |
7725ccfd JH |
1362 | bfa_trc_init(bfad->trcmod); |
1363 | bfa_trc(bfad, bfad_inst); | |
1364 | ||
7725ccfd | 1365 | if (!(bfad_load_fwimg(pdev))) { |
7725ccfd JH |
1366 | kfree(bfad->trcmod); |
1367 | goto out_alloc_trace_failure; | |
1368 | } | |
1369 | ||
1370 | retval = bfad_pci_init(pdev, bfad); | |
1371 | if (retval) { | |
1372 | printk(KERN_WARNING "bfad_pci_init failure!\n"); | |
1373 | error = retval; | |
1374 | goto out_pci_init_failure; | |
1375 | } | |
1376 | ||
1377 | mutex_lock(&bfad_mutex); | |
1378 | bfad->inst_no = bfad_inst++; | |
1379 | list_add_tail(&bfad->list_entry, &bfad_list); | |
1380 | mutex_unlock(&bfad_mutex); | |
1381 | ||
a36c61f9 KG |
1382 | /* Initializing the state machine: State set to uninit */ |
1383 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
1384 | ||
7725ccfd JH |
1385 | spin_lock_init(&bfad->bfad_lock); |
1386 | pci_set_drvdata(pdev, bfad); | |
1387 | ||
1388 | bfad->ref_count = 0; | |
1389 | bfad->pport.bfad = bfad; | |
a36c61f9 | 1390 | INIT_LIST_HEAD(&bfad->pbc_vport_list); |
e6714324 | 1391 | |
7725ccfd JH |
1392 | retval = bfad_drv_init(bfad); |
1393 | if (retval != BFA_STATUS_OK) | |
1394 | goto out_drv_init_failure; | |
7725ccfd | 1395 | |
a36c61f9 | 1396 | bfa_sm_send_event(bfad, BFAD_E_CREATE); |
7725ccfd | 1397 | |
a36c61f9 KG |
1398 | if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) |
1399 | goto out_bfad_sm_failure; | |
7725ccfd | 1400 | |
7725ccfd JH |
1401 | return 0; |
1402 | ||
a36c61f9 KG |
1403 | out_bfad_sm_failure: |
1404 | bfa_detach(&bfad->bfa); | |
1405 | bfad_hal_mem_release(bfad); | |
7725ccfd JH |
1406 | out_drv_init_failure: |
1407 | mutex_lock(&bfad_mutex); | |
1408 | bfad_inst--; | |
1409 | list_del(&bfad->list_entry); | |
1410 | mutex_unlock(&bfad_mutex); | |
1411 | bfad_pci_uninit(pdev, bfad); | |
1412 | out_pci_init_failure: | |
1413 | kfree(bfad->trcmod); | |
1414 | out_alloc_trace_failure: | |
1415 | kfree(bfad); | |
1416 | out: | |
1417 | return error; | |
1418 | } | |
1419 | ||
5fbe25c7 | 1420 | /* |
7725ccfd JH |
1421 | * PCI remove entry. |
1422 | */ | |
1423 | void | |
1424 | bfad_pci_remove(struct pci_dev *pdev) | |
1425 | { | |
a36c61f9 KG |
1426 | struct bfad_s *bfad = pci_get_drvdata(pdev); |
1427 | unsigned long flags; | |
7725ccfd JH |
1428 | |
1429 | bfa_trc(bfad, bfad->inst_no); | |
1430 | ||
e6714324 | 1431 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
a36c61f9 | 1432 | if (bfad->bfad_tsk != NULL) { |
7725ccfd | 1433 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
a36c61f9 KG |
1434 | kthread_stop(bfad->bfad_tsk); |
1435 | } else { | |
e6714324 | 1436 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
e6714324 | 1437 | } |
7725ccfd | 1438 | |
a36c61f9 KG |
1439 | /* Send Event BFAD_E_STOP */ |
1440 | bfa_sm_send_event(bfad, BFAD_E_STOP); | |
e6714324 | 1441 | |
a36c61f9 | 1442 | /* Driver detach and dealloc mem */ |
7725ccfd JH |
1443 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1444 | bfa_detach(&bfad->bfa); | |
1445 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1446 | bfad_hal_mem_release(bfad); | |
7725ccfd | 1447 | |
a36c61f9 | 1448 | /* Cleaning the BFAD instance */ |
7725ccfd JH |
1449 | mutex_lock(&bfad_mutex); |
1450 | bfad_inst--; | |
1451 | list_del(&bfad->list_entry); | |
1452 | mutex_unlock(&bfad_mutex); | |
1453 | bfad_pci_uninit(pdev, bfad); | |
1454 | ||
1455 | kfree(bfad->trcmod); | |
1456 | kfree(bfad); | |
1457 | } | |
1458 | ||
a36c61f9 | 1459 | struct pci_device_id bfad_id_table[] = { |
7725ccfd | 1460 | { |
a36c61f9 KG |
1461 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1462 | .device = BFA_PCI_DEVICE_ID_FC_8G2P, | |
1463 | .subvendor = PCI_ANY_ID, | |
1464 | .subdevice = PCI_ANY_ID, | |
1465 | }, | |
7725ccfd | 1466 | { |
a36c61f9 KG |
1467 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1468 | .device = BFA_PCI_DEVICE_ID_FC_8G1P, | |
1469 | .subvendor = PCI_ANY_ID, | |
1470 | .subdevice = PCI_ANY_ID, | |
1471 | }, | |
7725ccfd | 1472 | { |
a36c61f9 KG |
1473 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1474 | .device = BFA_PCI_DEVICE_ID_CT, | |
1475 | .subvendor = PCI_ANY_ID, | |
1476 | .subdevice = PCI_ANY_ID, | |
1477 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1478 | .class_mask = ~0, | |
1479 | }, | |
293f82d5 | 1480 | { |
a36c61f9 KG |
1481 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1482 | .device = BFA_PCI_DEVICE_ID_CT_FC, | |
1483 | .subvendor = PCI_ANY_ID, | |
1484 | .subdevice = PCI_ANY_ID, | |
1485 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1486 | .class_mask = ~0, | |
293f82d5 | 1487 | }, |
7725ccfd JH |
1488 | |
1489 | {0, 0}, | |
1490 | }; | |
1491 | ||
1492 | MODULE_DEVICE_TABLE(pci, bfad_id_table); | |
1493 | ||
1494 | static struct pci_driver bfad_pci_driver = { | |
1495 | .name = BFAD_DRIVER_NAME, | |
1496 | .id_table = bfad_id_table, | |
1497 | .probe = bfad_pci_probe, | |
1498 | .remove = __devexit_p(bfad_pci_remove), | |
1499 | }; | |
1500 | ||
5fbe25c7 | 1501 | /* |
7725ccfd JH |
1502 | * Driver module init. |
1503 | */ | |
a36c61f9 | 1504 | static int __init |
7725ccfd JH |
1505 | bfad_init(void) |
1506 | { | |
a36c61f9 | 1507 | int error = 0; |
7725ccfd JH |
1508 | |
1509 | printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", | |
a36c61f9 | 1510 | BFAD_DRIVER_VERSION); |
7725ccfd JH |
1511 | |
1512 | if (num_sgpgs > 0) | |
1513 | num_sgpgs_parm = num_sgpgs; | |
1514 | ||
a36c61f9 | 1515 | error = bfad_im_module_init(); |
7725ccfd JH |
1516 | if (error) { |
1517 | error = -ENOMEM; | |
a36c61f9 | 1518 | printk(KERN_WARNING "bfad_im_module_init failure\n"); |
7725ccfd JH |
1519 | goto ext; |
1520 | } | |
1521 | ||
a36c61f9 KG |
1522 | if (strcmp(FCPI_NAME, " fcpim") == 0) |
1523 | supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; | |
7725ccfd | 1524 | |
f7f73812 | 1525 | bfa_auto_recover = ioc_auto_recover; |
7725ccfd | 1526 | bfa_fcs_rport_set_del_timeout(rport_del_timeout); |
7725ccfd | 1527 | |
a36c61f9 | 1528 | error = pci_register_driver(&bfad_pci_driver); |
7725ccfd | 1529 | if (error) { |
a36c61f9 | 1530 | printk(KERN_WARNING "pci_register_driver failure\n"); |
7725ccfd JH |
1531 | goto ext; |
1532 | } | |
1533 | ||
1534 | return 0; | |
1535 | ||
1536 | ext: | |
a36c61f9 | 1537 | bfad_im_module_exit(); |
7725ccfd JH |
1538 | return error; |
1539 | } | |
1540 | ||
5fbe25c7 | 1541 | /* |
7725ccfd JH |
1542 | * Driver module exit. |
1543 | */ | |
a36c61f9 | 1544 | static void __exit |
7725ccfd JH |
1545 | bfad_exit(void) |
1546 | { | |
1547 | pci_unregister_driver(&bfad_pci_driver); | |
a36c61f9 | 1548 | bfad_im_module_exit(); |
7725ccfd JH |
1549 | bfad_free_fwimg(); |
1550 | } | |
1551 | ||
a36c61f9 KG |
1552 | /* Firmware handling */ |
1553 | u32 * | |
1554 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, | |
1555 | u32 *bfi_image_size, char *fw_name) | |
1556 | { | |
1557 | const struct firmware *fw; | |
1558 | ||
1559 | if (request_firmware(&fw, fw_name, &pdev->dev)) { | |
1560 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); | |
1561 | goto error; | |
1562 | } | |
1563 | ||
1564 | *bfi_image = vmalloc(fw->size); | |
1565 | if (NULL == *bfi_image) { | |
1566 | printk(KERN_ALERT "Fail to allocate buffer for fw image " | |
1567 | "size=%x!\n", (u32) fw->size); | |
1568 | goto error; | |
1569 | } | |
1570 | ||
1571 | memcpy(*bfi_image, fw->data, fw->size); | |
1572 | *bfi_image_size = fw->size/sizeof(u32); | |
1573 | ||
1574 | return *bfi_image; | |
1575 | ||
1576 | error: | |
1577 | return NULL; | |
1578 | } | |
1579 | ||
1580 | u32 * | |
1581 | bfad_get_firmware_buf(struct pci_dev *pdev) | |
1582 | { | |
1583 | if (pdev->device == BFA_PCI_DEVICE_ID_CT_FC) { | |
1584 | if (bfi_image_ct_fc_size == 0) | |
1585 | bfad_read_firmware(pdev, &bfi_image_ct_fc, | |
1586 | &bfi_image_ct_fc_size, BFAD_FW_FILE_CT_FC); | |
1587 | return bfi_image_ct_fc; | |
1588 | } else if (pdev->device == BFA_PCI_DEVICE_ID_CT) { | |
1589 | if (bfi_image_ct_cna_size == 0) | |
1590 | bfad_read_firmware(pdev, &bfi_image_ct_cna, | |
1591 | &bfi_image_ct_cna_size, BFAD_FW_FILE_CT_CNA); | |
1592 | return bfi_image_ct_cna; | |
1593 | } else { | |
1594 | if (bfi_image_cb_fc_size == 0) | |
1595 | bfad_read_firmware(pdev, &bfi_image_cb_fc, | |
1596 | &bfi_image_cb_fc_size, BFAD_FW_FILE_CB_FC); | |
1597 | return bfi_image_cb_fc; | |
1598 | } | |
1599 | } | |
7725ccfd JH |
1600 | |
1601 | module_init(bfad_init); | |
1602 | module_exit(bfad_exit); | |
1603 | MODULE_LICENSE("GPL"); | |
1604 | MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); | |
1605 | MODULE_AUTHOR("Brocade Communications Systems, Inc."); | |
1606 | MODULE_VERSION(BFAD_DRIVER_VERSION); |