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Commit | Line | Data |
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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; | |
be540a99 | 56 | int fc_credit_recovery = BFA_TRUE; |
a36c61f9 | 57 | int pcie_max_read_reqsz; |
ab2a9ba1 | 58 | int bfa_debugfs_enable = 1; |
a36c61f9 KG |
59 | int msix_disable_cb = 0, msix_disable_ct = 0; |
60 | ||
61338a0b | 61 | /* Firmware releated */ |
11189208 KG |
62 | u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size; |
63 | u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2; | |
a36c61f9 | 64 | |
11189208 KG |
65 | #define BFAD_FW_FILE_CB "cbfw.bin" |
66 | #define BFAD_FW_FILE_CT "ctfw.bin" | |
67 | #define BFAD_FW_FILE_CT2 "ct2fw.bin" | |
61338a0b JH |
68 | |
69 | static u32 *bfad_load_fwimg(struct pci_dev *pdev); | |
70 | static void bfad_free_fwimg(void); | |
71 | static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, | |
72 | u32 *bfi_image_size, char *fw_name); | |
73 | ||
52f94b6f | 74 | static const char *msix_name_ct[] = { |
11189208 | 75 | "ctrl", |
a36c61f9 | 76 | "cpe0", "cpe1", "cpe2", "cpe3", |
11189208 | 77 | "rme0", "rme1", "rme2", "rme3" }; |
a36c61f9 | 78 | |
52f94b6f | 79 | static const char *msix_name_cb[] = { |
a36c61f9 KG |
80 | "cpe0", "cpe1", "cpe2", "cpe3", |
81 | "rme0", "rme1", "rme2", "rme3", | |
82 | "eemc", "elpu0", "elpu1", "epss", "mlpu" }; | |
83 | ||
11189208 KG |
84 | MODULE_FIRMWARE(BFAD_FW_FILE_CB); |
85 | MODULE_FIRMWARE(BFAD_FW_FILE_CT); | |
86 | MODULE_FIRMWARE(BFAD_FW_FILE_CT2); | |
7725ccfd JH |
87 | |
88 | module_param(os_name, charp, S_IRUGO | S_IWUSR); | |
604158ad | 89 | MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); |
7725ccfd | 90 | module_param(os_patch, charp, S_IRUGO | S_IWUSR); |
604158ad | 91 | MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); |
7725ccfd | 92 | module_param(host_name, charp, S_IRUGO | S_IWUSR); |
604158ad | 93 | MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); |
7725ccfd | 94 | module_param(num_rports, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
95 | MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " |
96 | "(physical/logical), default=1024"); | |
7725ccfd | 97 | module_param(num_ios, int, S_IRUGO | S_IWUSR); |
604158ad | 98 | MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); |
7725ccfd | 99 | module_param(num_tms, int, S_IRUGO | S_IWUSR); |
604158ad | 100 | MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); |
7725ccfd | 101 | module_param(num_fcxps, int, S_IRUGO | S_IWUSR); |
604158ad | 102 | MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); |
7725ccfd | 103 | module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
104 | MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " |
105 | "buffers, default=64"); | |
7725ccfd | 106 | module_param(reqq_size, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
107 | MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " |
108 | "default=256"); | |
7725ccfd | 109 | module_param(rspq_size, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
110 | MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " |
111 | "default=64"); | |
7725ccfd | 112 | module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); |
604158ad | 113 | MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); |
7725ccfd | 114 | module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
115 | MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " |
116 | "Range[>0]"); | |
7725ccfd | 117 | module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); |
a36c61f9 | 118 | MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); |
7725ccfd | 119 | module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); |
604158ad | 120 | MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); |
88166242 JH |
121 | module_param(bfa_log_level, int, S_IRUGO | S_IWUSR); |
122 | MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, " | |
a36c61f9 | 123 | "Range[Critical:1|Error:2|Warning:3|Info:4]"); |
7725ccfd | 124 | module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
125 | MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " |
126 | "Range[off:0|on:1]"); | |
7725ccfd | 127 | module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
128 | MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " |
129 | "boot port. Otherwise 10 secs in RHEL4 & 0 for " | |
130 | "[RHEL5, SLES10, ESX40] Range[>0]"); | |
131 | module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); | |
132 | MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " | |
133 | "for Brocade-415/425/815/825 cards, default=0, " | |
134 | " Range[false:0|true:1]"); | |
135 | module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); | |
136 | MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " | |
137 | "if possible for Brocade-1010/1020/804/1007/902/1741 " | |
138 | "cards, default=0, Range[false:0|true:1]"); | |
604158ad | 139 | module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); |
a36c61f9 KG |
140 | MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " |
141 | "Range[false:0|true:1]"); | |
be540a99 KG |
142 | module_param(fc_credit_recovery, int, S_IRUGO | S_IWUSR); |
143 | MODULE_PARM_DESC(fc_credit_recovery, "Enables FC Credit Recovery, default=1, " | |
144 | "Range[false:0|true:1]"); | |
a36c61f9 KG |
145 | module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); |
146 | MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " | |
147 | "(use system setting), Range[128|256|512|1024|2048|4096]"); | |
ab2a9ba1 JH |
148 | module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); |
149 | MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," | |
150 | " Range[false:0|true:1]"); | |
7725ccfd | 151 | |
a36c61f9 KG |
152 | static void |
153 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); | |
154 | static void | |
155 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); | |
156 | static void | |
157 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); | |
158 | static void | |
159 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); | |
160 | static void | |
161 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); | |
162 | static void | |
163 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); | |
164 | static void | |
165 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); | |
166 | ||
5fbe25c7 | 167 | /* |
a36c61f9 | 168 | * Beginning state for the driver instance, awaiting the pci_probe event |
7725ccfd | 169 | */ |
a36c61f9 KG |
170 | static void |
171 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) | |
172 | { | |
173 | bfa_trc(bfad, event); | |
174 | ||
175 | switch (event) { | |
176 | case BFAD_E_CREATE: | |
177 | bfa_sm_set_state(bfad, bfad_sm_created); | |
178 | bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, | |
179 | "%s", "bfad_worker"); | |
180 | if (IS_ERR(bfad->bfad_tsk)) { | |
181 | printk(KERN_INFO "bfad[%d]: Kernel thread " | |
182 | "creation failed!\n", bfad->inst_no); | |
183 | bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); | |
184 | } | |
185 | bfa_sm_send_event(bfad, BFAD_E_INIT); | |
186 | break; | |
187 | ||
188 | case BFAD_E_STOP: | |
189 | /* Ignore stop; already in uninit */ | |
190 | break; | |
191 | ||
192 | default: | |
193 | bfa_sm_fault(bfad, event); | |
194 | } | |
195 | } | |
7725ccfd | 196 | |
5fbe25c7 | 197 | /* |
a36c61f9 KG |
198 | * Driver Instance is created, awaiting event INIT to initialize the bfad |
199 | */ | |
200 | static void | |
201 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) | |
7725ccfd | 202 | { |
a36c61f9 | 203 | unsigned long flags; |
7725ccfd | 204 | |
a36c61f9 | 205 | bfa_trc(bfad, event); |
7725ccfd | 206 | |
a36c61f9 KG |
207 | switch (event) { |
208 | case BFAD_E_INIT: | |
209 | bfa_sm_set_state(bfad, bfad_sm_initializing); | |
7725ccfd | 210 | |
a36c61f9 | 211 | init_completion(&bfad->comp); |
e6714324 | 212 | |
a36c61f9 KG |
213 | /* Enable Interrupt and wait bfa_init completion */ |
214 | if (bfad_setup_intr(bfad)) { | |
215 | printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", | |
216 | bfad->inst_no); | |
217 | bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); | |
218 | break; | |
219 | } | |
220 | ||
221 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
f7f73812 | 222 | bfa_iocfc_init(&bfad->bfa); |
a36c61f9 KG |
223 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
224 | ||
225 | /* Set up interrupt handler for each vectors */ | |
226 | if ((bfad->bfad_flags & BFAD_MSIX_ON) && | |
227 | bfad_install_msix_handler(bfad)) { | |
228 | printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", | |
229 | __func__, bfad->inst_no); | |
230 | } | |
231 | ||
232 | bfad_init_timer(bfad); | |
233 | ||
234 | wait_for_completion(&bfad->comp); | |
235 | ||
236 | if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { | |
237 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); | |
238 | } else { | |
7c38c05b KG |
239 | printk(KERN_WARNING |
240 | "bfa %s: bfa init failed\n", | |
241 | bfad->pci_name); | |
a36c61f9 KG |
242 | bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; |
243 | bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); | |
244 | } | |
245 | ||
246 | break; | |
247 | ||
248 | case BFAD_E_KTHREAD_CREATE_FAILED: | |
249 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
250 | break; | |
251 | ||
252 | default: | |
253 | bfa_sm_fault(bfad, event); | |
254 | } | |
7725ccfd JH |
255 | } |
256 | ||
257 | static void | |
a36c61f9 | 258 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 259 | { |
a36c61f9 KG |
260 | int retval; |
261 | unsigned long flags; | |
262 | ||
263 | bfa_trc(bfad, event); | |
264 | ||
265 | switch (event) { | |
266 | case BFAD_E_INIT_SUCCESS: | |
267 | kthread_stop(bfad->bfad_tsk); | |
268 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
269 | bfad->bfad_tsk = NULL; | |
270 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
271 | ||
272 | retval = bfad_start_ops(bfad); | |
273 | if (retval != BFA_STATUS_OK) | |
274 | break; | |
275 | bfa_sm_set_state(bfad, bfad_sm_operational); | |
276 | break; | |
277 | ||
278 | case BFAD_E_INTR_INIT_FAILED: | |
279 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
280 | kthread_stop(bfad->bfad_tsk); | |
281 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
282 | bfad->bfad_tsk = NULL; | |
283 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
284 | break; | |
285 | ||
286 | case BFAD_E_INIT_FAILED: | |
287 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
288 | break; | |
289 | default: | |
290 | bfa_sm_fault(bfad, event); | |
291 | } | |
7725ccfd JH |
292 | } |
293 | ||
294 | static void | |
a36c61f9 | 295 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 296 | { |
a36c61f9 | 297 | int retval; |
7725ccfd | 298 | |
a36c61f9 KG |
299 | bfa_trc(bfad, event); |
300 | ||
301 | switch (event) { | |
302 | case BFAD_E_INIT_SUCCESS: | |
303 | retval = bfad_start_ops(bfad); | |
304 | if (retval != BFA_STATUS_OK) | |
305 | break; | |
306 | bfa_sm_set_state(bfad, bfad_sm_operational); | |
307 | break; | |
308 | ||
309 | case BFAD_E_STOP: | |
310 | if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) | |
311 | bfad_uncfg_pport(bfad); | |
312 | if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { | |
313 | bfad_im_probe_undo(bfad); | |
314 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
315 | } | |
316 | bfad_stop(bfad); | |
317 | break; | |
318 | ||
319 | case BFAD_E_EXIT_COMP: | |
320 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
321 | bfad_remove_intr(bfad); | |
322 | del_timer_sync(&bfad->hal_tmo); | |
323 | break; | |
324 | ||
325 | default: | |
326 | bfa_sm_fault(bfad, event); | |
327 | } | |
7725ccfd JH |
328 | } |
329 | ||
a36c61f9 KG |
330 | static void |
331 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) | |
7725ccfd | 332 | { |
a36c61f9 | 333 | bfa_trc(bfad, event); |
7725ccfd | 334 | |
a36c61f9 KG |
335 | switch (event) { |
336 | case BFAD_E_STOP: | |
337 | bfa_sm_set_state(bfad, bfad_sm_fcs_exit); | |
338 | bfad_fcs_stop(bfad); | |
339 | break; | |
7725ccfd | 340 | |
a36c61f9 KG |
341 | default: |
342 | bfa_sm_fault(bfad, event); | |
343 | } | |
344 | } | |
7725ccfd | 345 | |
a36c61f9 KG |
346 | static void |
347 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) | |
348 | { | |
349 | bfa_trc(bfad, event); | |
350 | ||
351 | switch (event) { | |
352 | case BFAD_E_FCS_EXIT_COMP: | |
353 | bfa_sm_set_state(bfad, bfad_sm_stopping); | |
354 | bfad_stop(bfad); | |
355 | break; | |
356 | ||
357 | default: | |
358 | bfa_sm_fault(bfad, event); | |
359 | } | |
7725ccfd JH |
360 | } |
361 | ||
362 | static void | |
a36c61f9 | 363 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) |
7725ccfd | 364 | { |
a36c61f9 | 365 | bfa_trc(bfad, event); |
7725ccfd | 366 | |
a36c61f9 KG |
367 | switch (event) { |
368 | case BFAD_E_EXIT_COMP: | |
369 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
370 | bfad_remove_intr(bfad); | |
371 | del_timer_sync(&bfad->hal_tmo); | |
372 | bfad_im_probe_undo(bfad); | |
373 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
374 | bfad_uncfg_pport(bfad); | |
375 | break; | |
7725ccfd | 376 | |
a36c61f9 KG |
377 | default: |
378 | bfa_sm_fault(bfad, event); | |
379 | break; | |
380 | } | |
7725ccfd JH |
381 | } |
382 | ||
5fbe25c7 | 383 | /* |
7725ccfd JH |
384 | * BFA callbacks |
385 | */ | |
386 | void | |
387 | bfad_hcb_comp(void *arg, bfa_status_t status) | |
388 | { | |
389 | struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; | |
390 | ||
391 | fcomp->status = status; | |
392 | complete(&fcomp->comp); | |
393 | } | |
394 | ||
5fbe25c7 | 395 | /* |
7725ccfd JH |
396 | * bfa_init callback |
397 | */ | |
398 | void | |
399 | bfa_cb_init(void *drv, bfa_status_t init_status) | |
400 | { | |
a36c61f9 | 401 | struct bfad_s *bfad = drv; |
7725ccfd | 402 | |
e6714324 | 403 | if (init_status == BFA_STATUS_OK) { |
7725ccfd JH |
404 | bfad->bfad_flags |= BFAD_HAL_INIT_DONE; |
405 | ||
a36c61f9 KG |
406 | /* |
407 | * If BFAD_HAL_INIT_FAIL flag is set: | |
e6714324 KG |
408 | * Wake up the kernel thread to start |
409 | * the bfad operations after HAL init done | |
410 | */ | |
411 | if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { | |
412 | bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; | |
413 | wake_up_process(bfad->bfad_tsk); | |
414 | } | |
415 | } | |
416 | ||
7725ccfd JH |
417 | complete(&bfad->comp); |
418 | } | |
419 | ||
5fbe25c7 | 420 | /* |
7725ccfd JH |
421 | * BFA_FCS callbacks |
422 | */ | |
7725ccfd | 423 | struct bfad_port_s * |
a36c61f9 KG |
424 | bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, |
425 | enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, | |
7725ccfd JH |
426 | struct bfad_vport_s *vp_drv) |
427 | { | |
a36c61f9 KG |
428 | bfa_status_t rc; |
429 | struct bfad_port_s *port_drv; | |
7725ccfd JH |
430 | |
431 | if (!vp_drv && !vf_drv) { | |
432 | port_drv = &bfad->pport; | |
433 | port_drv->pvb_type = BFAD_PORT_PHYS_BASE; | |
434 | } else if (!vp_drv && vf_drv) { | |
435 | port_drv = &vf_drv->base_port; | |
436 | port_drv->pvb_type = BFAD_PORT_VF_BASE; | |
437 | } else if (vp_drv && !vf_drv) { | |
438 | port_drv = &vp_drv->drv_port; | |
439 | port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; | |
440 | } else { | |
441 | port_drv = &vp_drv->drv_port; | |
442 | port_drv->pvb_type = BFAD_PORT_VF_VPORT; | |
443 | } | |
444 | ||
445 | port_drv->fcs_port = port; | |
446 | port_drv->roles = roles; | |
a36c61f9 KG |
447 | |
448 | if (roles & BFA_LPORT_ROLE_FCP_IM) { | |
449 | rc = bfad_im_port_new(bfad, port_drv); | |
450 | if (rc != BFA_STATUS_OK) { | |
451 | bfad_im_port_delete(bfad, port_drv); | |
452 | port_drv = NULL; | |
453 | } | |
7725ccfd JH |
454 | } |
455 | ||
456 | return port_drv; | |
457 | } | |
458 | ||
459 | void | |
a36c61f9 | 460 | bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles, |
7725ccfd JH |
461 | struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) |
462 | { | |
a36c61f9 | 463 | struct bfad_port_s *port_drv; |
7725ccfd | 464 | |
a36c61f9 | 465 | /* this will be only called from rmmod context */ |
7725ccfd | 466 | if (vp_drv && !vp_drv->comp_del) { |
a36c61f9 KG |
467 | port_drv = (vp_drv) ? (&(vp_drv)->drv_port) : |
468 | ((vf_drv) ? (&(vf_drv)->base_port) : | |
469 | (&(bfad)->pport)); | |
7725ccfd | 470 | bfa_trc(bfad, roles); |
a36c61f9 KG |
471 | if (roles & BFA_LPORT_ROLE_FCP_IM) |
472 | bfad_im_port_delete(bfad, port_drv); | |
7725ccfd | 473 | } |
7725ccfd JH |
474 | } |
475 | ||
5fbe25c7 | 476 | /* |
7725ccfd JH |
477 | * FCS RPORT alloc callback, after successful PLOGI by FCS |
478 | */ | |
479 | bfa_status_t | |
480 | bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, | |
481 | struct bfad_rport_s **rport_drv) | |
482 | { | |
a36c61f9 | 483 | bfa_status_t rc = BFA_STATUS_OK; |
7725ccfd JH |
484 | |
485 | *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); | |
486 | if (*rport_drv == NULL) { | |
487 | rc = BFA_STATUS_ENOMEM; | |
488 | goto ext; | |
489 | } | |
490 | ||
491 | *rport = &(*rport_drv)->fcs_rport; | |
492 | ||
493 | ext: | |
494 | return rc; | |
495 | } | |
496 | ||
5fbe25c7 | 497 | /* |
d9883548 JH |
498 | * FCS PBC VPORT Create |
499 | */ | |
500 | void | |
501 | bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) | |
502 | { | |
503 | ||
a36c61f9 KG |
504 | struct bfa_lport_cfg_s port_cfg = {0}; |
505 | struct bfad_vport_s *vport; | |
506 | int rc; | |
d9883548 | 507 | |
a36c61f9 KG |
508 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); |
509 | if (!vport) { | |
d9883548 JH |
510 | bfa_trc(bfad, 0); |
511 | return; | |
512 | } | |
7725ccfd | 513 | |
a36c61f9 KG |
514 | vport->drv_port.bfad = bfad; |
515 | port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; | |
516 | port_cfg.pwwn = pbc_vport.vp_pwwn; | |
517 | port_cfg.nwwn = pbc_vport.vp_nwwn; | |
518 | port_cfg.preboot_vp = BFA_TRUE; | |
519 | ||
520 | rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, | |
521 | &port_cfg, vport); | |
d9883548 | 522 | |
a36c61f9 KG |
523 | if (rc != BFA_STATUS_OK) { |
524 | bfa_trc(bfad, 0); | |
525 | return; | |
526 | } | |
d9883548 | 527 | |
a36c61f9 | 528 | list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); |
d9883548 | 529 | } |
7725ccfd JH |
530 | |
531 | void | |
532 | bfad_hal_mem_release(struct bfad_s *bfad) | |
533 | { | |
a36c61f9 | 534 | int i; |
7725ccfd JH |
535 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
536 | struct bfa_mem_elem_s *meminfo_elem; | |
537 | ||
538 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { | |
539 | meminfo_elem = &hal_meminfo->meminfo[i]; | |
540 | if (meminfo_elem->kva != NULL) { | |
541 | switch (meminfo_elem->mem_type) { | |
542 | case BFA_MEM_TYPE_KVA: | |
543 | vfree(meminfo_elem->kva); | |
544 | break; | |
545 | case BFA_MEM_TYPE_DMA: | |
546 | dma_free_coherent(&bfad->pcidev->dev, | |
a36c61f9 KG |
547 | meminfo_elem->mem_len, |
548 | meminfo_elem->kva, | |
549 | (dma_addr_t) meminfo_elem->dma); | |
7725ccfd JH |
550 | break; |
551 | default: | |
d4b671c5 | 552 | WARN_ON(1); |
7725ccfd JH |
553 | break; |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); | |
559 | } | |
560 | ||
561 | void | |
562 | bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) | |
563 | { | |
564 | if (num_rports > 0) | |
565 | bfa_cfg->fwcfg.num_rports = num_rports; | |
566 | if (num_ios > 0) | |
567 | bfa_cfg->fwcfg.num_ioim_reqs = num_ios; | |
568 | if (num_tms > 0) | |
569 | bfa_cfg->fwcfg.num_tskim_reqs = num_tms; | |
570 | if (num_fcxps > 0) | |
571 | bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; | |
572 | if (num_ufbufs > 0) | |
573 | bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; | |
574 | if (reqq_size > 0) | |
575 | bfa_cfg->drvcfg.num_reqq_elems = reqq_size; | |
576 | if (rspq_size > 0) | |
577 | bfa_cfg->drvcfg.num_rspq_elems = rspq_size; | |
578 | if (num_sgpgs > 0) | |
579 | bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; | |
580 | ||
581 | /* | |
582 | * populate the hal values back to the driver for sysfs use. | |
583 | * otherwise, the default values will be shown as 0 in sysfs | |
584 | */ | |
585 | num_rports = bfa_cfg->fwcfg.num_rports; | |
a36c61f9 KG |
586 | num_ios = bfa_cfg->fwcfg.num_ioim_reqs; |
587 | num_tms = bfa_cfg->fwcfg.num_tskim_reqs; | |
588 | num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; | |
7725ccfd | 589 | num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; |
a36c61f9 KG |
590 | reqq_size = bfa_cfg->drvcfg.num_reqq_elems; |
591 | rspq_size = bfa_cfg->drvcfg.num_rspq_elems; | |
592 | num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; | |
7725ccfd JH |
593 | } |
594 | ||
595 | bfa_status_t | |
596 | bfad_hal_mem_alloc(struct bfad_s *bfad) | |
597 | { | |
a36c61f9 | 598 | int i; |
7725ccfd JH |
599 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
600 | struct bfa_mem_elem_s *meminfo_elem; | |
a36c61f9 KG |
601 | dma_addr_t phys_addr; |
602 | void *kva; | |
603 | bfa_status_t rc = BFA_STATUS_OK; | |
604 | int retry_count = 0; | |
605 | int reset_value = 1; | |
606 | int min_num_sgpgs = 512; | |
7725ccfd JH |
607 | |
608 | bfa_cfg_get_default(&bfad->ioc_cfg); | |
609 | ||
610 | retry: | |
611 | bfad_update_hal_cfg(&bfad->ioc_cfg); | |
612 | bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; | |
613 | bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); | |
614 | ||
615 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { | |
616 | meminfo_elem = &hal_meminfo->meminfo[i]; | |
617 | switch (meminfo_elem->mem_type) { | |
618 | case BFA_MEM_TYPE_KVA: | |
619 | kva = vmalloc(meminfo_elem->mem_len); | |
620 | if (kva == NULL) { | |
621 | bfad_hal_mem_release(bfad); | |
622 | rc = BFA_STATUS_ENOMEM; | |
623 | goto ext; | |
624 | } | |
625 | memset(kva, 0, meminfo_elem->mem_len); | |
626 | meminfo_elem->kva = kva; | |
627 | break; | |
628 | case BFA_MEM_TYPE_DMA: | |
629 | kva = dma_alloc_coherent(&bfad->pcidev->dev, | |
a36c61f9 | 630 | meminfo_elem->mem_len, &phys_addr, GFP_KERNEL); |
7725ccfd JH |
631 | if (kva == NULL) { |
632 | bfad_hal_mem_release(bfad); | |
633 | /* | |
634 | * If we cannot allocate with default | |
635 | * num_sgpages try with half the value. | |
636 | */ | |
637 | if (num_sgpgs > min_num_sgpgs) { | |
a36c61f9 KG |
638 | printk(KERN_INFO |
639 | "bfad[%d]: memory allocation failed" | |
640 | " with num_sgpgs: %d\n", | |
7725ccfd JH |
641 | bfad->inst_no, num_sgpgs); |
642 | nextLowerInt(&num_sgpgs); | |
a36c61f9 KG |
643 | printk(KERN_INFO |
644 | "bfad[%d]: trying to allocate memory" | |
645 | " with num_sgpgs: %d\n", | |
7725ccfd JH |
646 | bfad->inst_no, num_sgpgs); |
647 | retry_count++; | |
648 | goto retry; | |
649 | } else { | |
650 | if (num_sgpgs_parm > 0) | |
651 | num_sgpgs = num_sgpgs_parm; | |
652 | else { | |
653 | reset_value = | |
654 | (1 << retry_count); | |
655 | num_sgpgs *= reset_value; | |
656 | } | |
657 | rc = BFA_STATUS_ENOMEM; | |
658 | goto ext; | |
659 | } | |
660 | } | |
661 | ||
662 | if (num_sgpgs_parm > 0) | |
663 | num_sgpgs = num_sgpgs_parm; | |
664 | else { | |
665 | reset_value = (1 << retry_count); | |
666 | num_sgpgs *= reset_value; | |
667 | } | |
668 | ||
669 | memset(kva, 0, meminfo_elem->mem_len); | |
670 | meminfo_elem->kva = kva; | |
671 | meminfo_elem->dma = phys_addr; | |
672 | break; | |
673 | default: | |
674 | break; | |
675 | ||
676 | } | |
677 | } | |
678 | ext: | |
679 | return rc; | |
680 | } | |
681 | ||
5fbe25c7 | 682 | /* |
7725ccfd JH |
683 | * Create a vport under a vf. |
684 | */ | |
685 | bfa_status_t | |
686 | bfad_vport_create(struct bfad_s *bfad, u16 vf_id, | |
a36c61f9 | 687 | struct bfa_lport_cfg_s *port_cfg, struct device *dev) |
7725ccfd | 688 | { |
a36c61f9 KG |
689 | struct bfad_vport_s *vport; |
690 | int rc = BFA_STATUS_OK; | |
691 | unsigned long flags; | |
7725ccfd JH |
692 | struct completion fcomp; |
693 | ||
694 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); | |
695 | if (!vport) { | |
696 | rc = BFA_STATUS_ENOMEM; | |
697 | goto ext; | |
698 | } | |
699 | ||
700 | vport->drv_port.bfad = bfad; | |
701 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
702 | rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, |
703 | port_cfg, vport); | |
7725ccfd JH |
704 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
705 | ||
706 | if (rc != BFA_STATUS_OK) | |
707 | goto ext_free_vport; | |
708 | ||
a36c61f9 | 709 | if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { |
b504293f JH |
710 | rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, |
711 | dev); | |
7725ccfd JH |
712 | if (rc != BFA_STATUS_OK) |
713 | goto ext_free_fcs_vport; | |
714 | } | |
715 | ||
716 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
717 | bfa_fcs_vport_start(&vport->fcs_vport); | |
718 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
719 | ||
720 | return BFA_STATUS_OK; | |
721 | ||
722 | ext_free_fcs_vport: | |
723 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
724 | vport->comp_del = &fcomp; | |
725 | init_completion(vport->comp_del); | |
726 | bfa_fcs_vport_delete(&vport->fcs_vport); | |
727 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
728 | wait_for_completion(vport->comp_del); | |
729 | ext_free_vport: | |
730 | kfree(vport); | |
731 | ext: | |
732 | return rc; | |
733 | } | |
734 | ||
7725ccfd JH |
735 | void |
736 | bfad_bfa_tmo(unsigned long data) | |
737 | { | |
a36c61f9 KG |
738 | struct bfad_s *bfad = (struct bfad_s *) data; |
739 | unsigned long flags; | |
740 | struct list_head doneq; | |
7725ccfd JH |
741 | |
742 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
743 | ||
f7f73812 | 744 | bfa_timer_beat(&bfad->bfa.timer_mod); |
7725ccfd JH |
745 | |
746 | bfa_comp_deq(&bfad->bfa, &doneq); | |
747 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
748 | ||
749 | if (!list_empty(&doneq)) { | |
750 | bfa_comp_process(&bfad->bfa, &doneq); | |
751 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
752 | bfa_comp_free(&bfad->bfa, &doneq); | |
753 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
754 | } | |
755 | ||
a36c61f9 KG |
756 | mod_timer(&bfad->hal_tmo, |
757 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
758 | } |
759 | ||
760 | void | |
761 | bfad_init_timer(struct bfad_s *bfad) | |
762 | { | |
763 | init_timer(&bfad->hal_tmo); | |
764 | bfad->hal_tmo.function = bfad_bfa_tmo; | |
765 | bfad->hal_tmo.data = (unsigned long)bfad; | |
766 | ||
a36c61f9 KG |
767 | mod_timer(&bfad->hal_tmo, |
768 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
769 | } |
770 | ||
771 | int | |
772 | bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) | |
773 | { | |
a36c61f9 | 774 | int rc = -ENODEV; |
7725ccfd JH |
775 | |
776 | if (pci_enable_device(pdev)) { | |
a36c61f9 | 777 | printk(KERN_ERR "pci_enable_device fail %p\n", pdev); |
7725ccfd JH |
778 | goto out; |
779 | } | |
780 | ||
781 | if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) | |
782 | goto out_disable_device; | |
783 | ||
784 | pci_set_master(pdev); | |
785 | ||
786 | ||
787 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) | |
788 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { | |
a36c61f9 | 789 | printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); |
7725ccfd JH |
790 | goto out_release_region; |
791 | } | |
792 | ||
b3522f08 | 793 | bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); |
11189208 | 794 | bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); |
7725ccfd JH |
795 | |
796 | if (bfad->pci_bar0_kva == NULL) { | |
a36c61f9 | 797 | printk(KERN_ERR "Fail to map bar0\n"); |
7725ccfd JH |
798 | goto out_release_region; |
799 | } | |
800 | ||
801 | bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); | |
802 | bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); | |
803 | bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; | |
804 | bfad->hal_pcidev.device_id = pdev->device; | |
805 | bfad->pci_name = pci_name(pdev); | |
806 | ||
807 | bfad->pci_attr.vendor_id = pdev->vendor; | |
808 | bfad->pci_attr.device_id = pdev->device; | |
809 | bfad->pci_attr.ssid = pdev->subsystem_device; | |
810 | bfad->pci_attr.ssvid = pdev->subsystem_vendor; | |
811 | bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); | |
812 | ||
813 | bfad->pcidev = pdev; | |
a36c61f9 KG |
814 | |
815 | /* Adjust PCIe Maximum Read Request Size */ | |
816 | if (pcie_max_read_reqsz > 0) { | |
817 | int pcie_cap_reg; | |
818 | u16 pcie_dev_ctl; | |
819 | u16 mask = 0xffff; | |
820 | ||
821 | switch (pcie_max_read_reqsz) { | |
822 | case 128: | |
823 | mask = 0x0; | |
824 | break; | |
825 | case 256: | |
826 | mask = 0x1000; | |
827 | break; | |
828 | case 512: | |
829 | mask = 0x2000; | |
830 | break; | |
831 | case 1024: | |
832 | mask = 0x3000; | |
833 | break; | |
834 | case 2048: | |
835 | mask = 0x4000; | |
836 | break; | |
837 | case 4096: | |
838 | mask = 0x5000; | |
839 | break; | |
840 | default: | |
841 | break; | |
842 | } | |
843 | ||
844 | pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
845 | if (mask != 0xffff && pcie_cap_reg) { | |
846 | pcie_cap_reg += 0x08; | |
847 | pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); | |
848 | if ((pcie_dev_ctl & 0x7000) != mask) { | |
849 | printk(KERN_WARNING "BFA[%s]: " | |
850 | "pcie_max_read_request_size is %d, " | |
851 | "reset to %d\n", bfad->pci_name, | |
852 | (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, | |
853 | pcie_max_read_reqsz); | |
854 | ||
855 | pcie_dev_ctl &= ~0x7000; | |
856 | pci_write_config_word(pdev, pcie_cap_reg, | |
857 | pcie_dev_ctl | mask); | |
858 | } | |
859 | } | |
860 | } | |
861 | ||
7725ccfd JH |
862 | return 0; |
863 | ||
864 | out_release_region: | |
865 | pci_release_regions(pdev); | |
866 | out_disable_device: | |
867 | pci_disable_device(pdev); | |
868 | out: | |
869 | return rc; | |
870 | } | |
871 | ||
872 | void | |
873 | bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) | |
874 | { | |
7725ccfd | 875 | pci_iounmap(pdev, bfad->pci_bar0_kva); |
11189208 | 876 | pci_iounmap(pdev, bfad->pci_bar2_kva); |
7725ccfd JH |
877 | pci_release_regions(pdev); |
878 | pci_disable_device(pdev); | |
879 | pci_set_drvdata(pdev, NULL); | |
880 | } | |
881 | ||
7725ccfd JH |
882 | bfa_status_t |
883 | bfad_drv_init(struct bfad_s *bfad) | |
884 | { | |
a36c61f9 KG |
885 | bfa_status_t rc; |
886 | unsigned long flags; | |
7725ccfd JH |
887 | |
888 | bfad->cfg_data.rport_del_timeout = rport_del_timeout; | |
889 | bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; | |
890 | bfad->cfg_data.io_max_sge = bfa_io_max_sge; | |
891 | bfad->cfg_data.binding_method = FCP_PWWN_BINDING; | |
892 | ||
893 | rc = bfad_hal_mem_alloc(bfad); | |
894 | if (rc != BFA_STATUS_OK) { | |
895 | printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", | |
896 | bfad->inst_no); | |
897 | printk(KERN_WARNING | |
a36c61f9 KG |
898 | "Not enough memory to attach all Brocade HBA ports, %s", |
899 | "System may need more memory.\n"); | |
7725ccfd JH |
900 | goto out_hal_mem_alloc_failure; |
901 | } | |
902 | ||
f7f73812 MZ |
903 | bfad->bfa.trcmod = bfad->trcmod; |
904 | bfad->bfa.plog = &bfad->plog_buf; | |
7725ccfd JH |
905 | bfa_plog_init(&bfad->plog_buf); |
906 | bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, | |
907 | 0, "Driver Attach"); | |
908 | ||
909 | bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, | |
910 | &bfad->hal_pcidev); | |
911 | ||
a36c61f9 | 912 | /* FCS INIT */ |
7725ccfd | 913 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
f7f73812 | 914 | bfad->bfa_fcs.trcmod = bfad->trcmod; |
82794a2e | 915 | bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); |
f7f73812 | 916 | bfad->bfa_fcs.fdmi_enabled = fdmi_enable; |
be540a99 | 917 | bfad->bfa_fcs.bbscn_enabled = fc_credit_recovery; |
75332a70 | 918 | bfa_fcs_init(&bfad->bfa_fcs); |
7725ccfd JH |
919 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
920 | ||
921 | bfad->bfad_flags |= BFAD_DRV_INIT_DONE; | |
a36c61f9 | 922 | |
75332a70 KG |
923 | /* configure base port */ |
924 | rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); | |
925 | if (rc != BFA_STATUS_OK) | |
926 | goto out_cfg_pport_fail; | |
927 | ||
7725ccfd JH |
928 | return BFA_STATUS_OK; |
929 | ||
75332a70 KG |
930 | out_cfg_pport_fail: |
931 | /* fcs exit - on cfg pport failure */ | |
932 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
933 | init_completion(&bfad->comp); | |
934 | bfad->pport.flags |= BFAD_PORT_DELETE; | |
935 | bfa_fcs_exit(&bfad->bfa_fcs); | |
936 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
937 | wait_for_completion(&bfad->comp); | |
938 | /* bfa detach - free hal memory */ | |
939 | bfa_detach(&bfad->bfa); | |
940 | bfad_hal_mem_release(bfad); | |
7725ccfd JH |
941 | out_hal_mem_alloc_failure: |
942 | return BFA_STATUS_FAILED; | |
943 | } | |
944 | ||
945 | void | |
946 | bfad_drv_uninit(struct bfad_s *bfad) | |
947 | { | |
e6714324 KG |
948 | unsigned long flags; |
949 | ||
950 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
951 | init_completion(&bfad->comp); | |
f7f73812 | 952 | bfa_iocfc_stop(&bfad->bfa); |
e6714324 KG |
953 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
954 | wait_for_completion(&bfad->comp); | |
955 | ||
7725ccfd JH |
956 | del_timer_sync(&bfad->hal_tmo); |
957 | bfa_isr_disable(&bfad->bfa); | |
958 | bfa_detach(&bfad->bfa); | |
959 | bfad_remove_intr(bfad); | |
7725ccfd | 960 | bfad_hal_mem_release(bfad); |
e6714324 KG |
961 | |
962 | bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; | |
7725ccfd JH |
963 | } |
964 | ||
965 | void | |
966 | bfad_drv_start(struct bfad_s *bfad) | |
967 | { | |
a36c61f9 | 968 | unsigned long flags; |
7725ccfd JH |
969 | |
970 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
f7f73812 | 971 | bfa_iocfc_start(&bfad->bfa); |
75332a70 | 972 | bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); |
f7f73812 | 973 | bfa_fcs_fabric_modstart(&bfad->bfa_fcs); |
7725ccfd JH |
974 | bfad->bfad_flags |= BFAD_HAL_START_DONE; |
975 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
976 | ||
a36c61f9 KG |
977 | if (bfad->im) |
978 | flush_workqueue(bfad->im->drv_workq); | |
7725ccfd JH |
979 | } |
980 | ||
981 | void | |
a36c61f9 | 982 | bfad_fcs_stop(struct bfad_s *bfad) |
7725ccfd | 983 | { |
a36c61f9 | 984 | unsigned long flags; |
7725ccfd JH |
985 | |
986 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
987 | init_completion(&bfad->comp); | |
988 | bfad->pport.flags |= BFAD_PORT_DELETE; | |
989 | bfa_fcs_exit(&bfad->bfa_fcs); | |
990 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
991 | wait_for_completion(&bfad->comp); | |
992 | ||
a36c61f9 KG |
993 | bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); |
994 | } | |
995 | ||
996 | void | |
997 | bfad_stop(struct bfad_s *bfad) | |
998 | { | |
999 | unsigned long flags; | |
1000 | ||
7725ccfd JH |
1001 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1002 | init_completion(&bfad->comp); | |
f7f73812 | 1003 | bfa_iocfc_stop(&bfad->bfa); |
7725ccfd JH |
1004 | bfad->bfad_flags &= ~BFAD_HAL_START_DONE; |
1005 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1006 | wait_for_completion(&bfad->comp); | |
a36c61f9 KG |
1007 | |
1008 | bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); | |
7725ccfd JH |
1009 | } |
1010 | ||
1011 | bfa_status_t | |
a36c61f9 | 1012 | bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) |
7725ccfd | 1013 | { |
a36c61f9 | 1014 | int rc = BFA_STATUS_OK; |
7725ccfd | 1015 | |
a36c61f9 KG |
1016 | /* Allocate scsi_host for the physical port */ |
1017 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && | |
1018 | (role & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
1019 | if (bfad->pport.im_port == NULL) { |
1020 | rc = BFA_STATUS_FAILED; | |
1021 | goto out; | |
1022 | } | |
1023 | ||
b504293f JH |
1024 | rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, |
1025 | &bfad->pcidev->dev); | |
7725ccfd JH |
1026 | if (rc != BFA_STATUS_OK) |
1027 | goto out; | |
1028 | ||
a36c61f9 | 1029 | bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
1030 | } |
1031 | ||
1032 | bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; | |
1033 | ||
1034 | out: | |
1035 | return rc; | |
1036 | } | |
1037 | ||
1038 | void | |
1039 | bfad_uncfg_pport(struct bfad_s *bfad) | |
1040 | { | |
a36c61f9 KG |
1041 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && |
1042 | (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
1043 | bfad_im_scsi_host_free(bfad, bfad->pport.im_port); |
1044 | bfad_im_port_clean(bfad->pport.im_port); | |
1045 | kfree(bfad->pport.im_port); | |
a36c61f9 | 1046 | bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
1047 | } |
1048 | ||
1049 | bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; | |
1050 | } | |
1051 | ||
e6714324 | 1052 | bfa_status_t |
a36c61f9 KG |
1053 | bfad_start_ops(struct bfad_s *bfad) { |
1054 | ||
1055 | int retval; | |
1056 | unsigned long flags; | |
1057 | struct bfad_vport_s *vport, *vport_new; | |
1058 | struct bfa_fcs_driver_info_s driver_info; | |
1059 | ||
1060 | /* Fill the driver_info info to fcs*/ | |
1061 | memset(&driver_info, 0, sizeof(driver_info)); | |
1062 | strncpy(driver_info.version, BFAD_DRIVER_VERSION, | |
1063 | sizeof(driver_info.version) - 1); | |
1064 | if (host_name) | |
1065 | strncpy(driver_info.host_machine_name, host_name, | |
1066 | sizeof(driver_info.host_machine_name) - 1); | |
1067 | if (os_name) | |
1068 | strncpy(driver_info.host_os_name, os_name, | |
1069 | sizeof(driver_info.host_os_name) - 1); | |
1070 | if (os_patch) | |
1071 | strncpy(driver_info.host_os_patch, os_patch, | |
1072 | sizeof(driver_info.host_os_patch) - 1); | |
1073 | ||
1074 | strncpy(driver_info.os_device_name, bfad->pci_name, | |
1075 | sizeof(driver_info.os_device_name - 1)); | |
1076 | ||
75332a70 | 1077 | /* FCS driver info init */ |
a36c61f9 KG |
1078 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1079 | bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); | |
a36c61f9 | 1080 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
e6714324 | 1081 | |
75332a70 KG |
1082 | /* |
1083 | * FCS update cfg - reset the pwwn/nwwn of fabric base logical port | |
1084 | * with values learned during bfa_init firmware GETATTR REQ. | |
1085 | */ | |
1086 | bfa_fcs_update_cfg(&bfad->bfa_fcs); | |
1087 | ||
1088 | /* Setup fc host fixed attribute if the lk supports */ | |
1089 | bfad_fc_host_init(bfad->pport.im_port); | |
e6714324 | 1090 | |
a36c61f9 KG |
1091 | /* BFAD level FC4 IM specific resource allocation */ |
1092 | retval = bfad_im_probe(bfad); | |
1093 | if (retval != BFA_STATUS_OK) { | |
1094 | printk(KERN_WARNING "bfad_im_probe failed\n"); | |
1095 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) | |
1096 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
1097 | bfad_im_probe_undo(bfad); | |
1098 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
1099 | bfad_uncfg_pport(bfad); | |
1100 | bfad_stop(bfad); | |
1101 | return BFA_STATUS_FAILED; | |
1102 | } else | |
1103 | bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; | |
1104 | ||
e6714324 KG |
1105 | bfad_drv_start(bfad); |
1106 | ||
a36c61f9 KG |
1107 | /* Complete pbc vport create */ |
1108 | list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, | |
1109 | list_entry) { | |
d9883548 JH |
1110 | struct fc_vport_identifiers vid; |
1111 | struct fc_vport *fc_vport; | |
a36c61f9 | 1112 | char pwwn_buf[BFA_STRING_32]; |
d9883548 JH |
1113 | |
1114 | memset(&vid, 0, sizeof(vid)); | |
1115 | vid.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
1116 | vid.vport_type = FC_PORTTYPE_NPIV; | |
1117 | vid.disable = false; | |
a36c61f9 KG |
1118 | vid.node_name = wwn_to_u64((u8 *) |
1119 | (&((vport->fcs_vport).lport.port_cfg.nwwn))); | |
1120 | vid.port_name = wwn_to_u64((u8 *) | |
1121 | (&((vport->fcs_vport).lport.port_cfg.pwwn))); | |
d9883548 | 1122 | fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); |
a36c61f9 KG |
1123 | if (!fc_vport) { |
1124 | wwn2str(pwwn_buf, vid.port_name); | |
d9883548 | 1125 | printk(KERN_WARNING "bfad%d: failed to create pbc vport" |
a36c61f9 KG |
1126 | " %s\n", bfad->inst_no, pwwn_buf); |
1127 | } | |
1128 | list_del(&vport->list_entry); | |
1129 | kfree(vport); | |
d9883548 JH |
1130 | } |
1131 | ||
e6714324 KG |
1132 | /* |
1133 | * If bfa_linkup_delay is set to -1 default; try to retrive the | |
f16a1750 | 1134 | * value using the bfad_get_linkup_delay(); else use the |
e6714324 KG |
1135 | * passed in module param value as the bfa_linkup_delay. |
1136 | */ | |
1137 | if (bfa_linkup_delay < 0) { | |
f16a1750 MZ |
1138 | bfa_linkup_delay = bfad_get_linkup_delay(bfad); |
1139 | bfad_rport_online_wait(bfad); | |
e6714324 | 1140 | bfa_linkup_delay = -1; |
a36c61f9 | 1141 | } else |
f16a1750 | 1142 | bfad_rport_online_wait(bfad); |
e6714324 | 1143 | |
88166242 | 1144 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); |
e6714324 KG |
1145 | |
1146 | return BFA_STATUS_OK; | |
e6714324 KG |
1147 | } |
1148 | ||
1149 | int | |
d9883548 | 1150 | bfad_worker(void *ptr) |
e6714324 KG |
1151 | { |
1152 | struct bfad_s *bfad; | |
1153 | unsigned long flags; | |
1154 | ||
1155 | bfad = (struct bfad_s *)ptr; | |
1156 | ||
1157 | while (!kthread_should_stop()) { | |
1158 | ||
a36c61f9 KG |
1159 | /* Send event BFAD_E_INIT_SUCCESS */ |
1160 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); | |
e6714324 KG |
1161 | |
1162 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1163 | bfad->bfad_tsk = NULL; | |
1164 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1165 | ||
1166 | break; | |
1167 | } | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
5fbe25c7 | 1172 | /* |
a36c61f9 KG |
1173 | * BFA driver interrupt functions |
1174 | */ | |
1175 | irqreturn_t | |
1176 | bfad_intx(int irq, void *dev_id) | |
1177 | { | |
1178 | struct bfad_s *bfad = dev_id; | |
1179 | struct list_head doneq; | |
1180 | unsigned long flags; | |
1181 | bfa_boolean_t rc; | |
1182 | ||
1183 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1184 | rc = bfa_intx(&bfad->bfa); | |
1185 | if (!rc) { | |
1186 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1187 | return IRQ_NONE; | |
1188 | } | |
1189 | ||
1190 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1191 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1192 | ||
1193 | if (!list_empty(&doneq)) { | |
1194 | bfa_comp_process(&bfad->bfa, &doneq); | |
1195 | ||
1196 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1197 | bfa_comp_free(&bfad->bfa, &doneq); | |
1198 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
1199 | } |
1200 | ||
1201 | return IRQ_HANDLED; | |
1202 | ||
1203 | } | |
1204 | ||
1205 | static irqreturn_t | |
1206 | bfad_msix(int irq, void *dev_id) | |
1207 | { | |
1208 | struct bfad_msix_s *vec = dev_id; | |
1209 | struct bfad_s *bfad = vec->bfad; | |
1210 | struct list_head doneq; | |
1211 | unsigned long flags; | |
1212 | ||
1213 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1214 | ||
1215 | bfa_msix(&bfad->bfa, vec->msix.entry); | |
1216 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1217 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1218 | ||
1219 | if (!list_empty(&doneq)) { | |
1220 | bfa_comp_process(&bfad->bfa, &doneq); | |
1221 | ||
1222 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1223 | bfa_comp_free(&bfad->bfa, &doneq); | |
1224 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1225 | } | |
1226 | ||
1227 | return IRQ_HANDLED; | |
1228 | } | |
1229 | ||
5fbe25c7 | 1230 | /* |
a36c61f9 KG |
1231 | * Initialize the MSIX entry table. |
1232 | */ | |
1233 | static void | |
1234 | bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, | |
1235 | int mask, int max_bit) | |
1236 | { | |
1237 | int i; | |
1238 | int match = 0x00000001; | |
1239 | ||
1240 | for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { | |
1241 | if (mask & match) { | |
1242 | bfad->msix_tab[bfad->nvec].msix.entry = i; | |
1243 | bfad->msix_tab[bfad->nvec].bfad = bfad; | |
1244 | msix_entries[bfad->nvec].entry = i; | |
1245 | bfad->nvec++; | |
1246 | } | |
1247 | ||
1248 | match <<= 1; | |
1249 | } | |
1250 | ||
1251 | } | |
1252 | ||
1253 | int | |
1254 | bfad_install_msix_handler(struct bfad_s *bfad) | |
1255 | { | |
1256 | int i, error = 0; | |
1257 | ||
1258 | for (i = 0; i < bfad->nvec; i++) { | |
1259 | sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", | |
1260 | bfad->pci_name, | |
11189208 KG |
1261 | ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? |
1262 | msix_name_cb[i] : msix_name_ct[i])); | |
a36c61f9 KG |
1263 | |
1264 | error = request_irq(bfad->msix_tab[i].msix.vector, | |
1265 | (irq_handler_t) bfad_msix, 0, | |
1266 | bfad->msix_tab[i].name, &bfad->msix_tab[i]); | |
1267 | bfa_trc(bfad, i); | |
1268 | bfa_trc(bfad, bfad->msix_tab[i].msix.vector); | |
1269 | if (error) { | |
1270 | int j; | |
1271 | ||
1272 | for (j = 0; j < i; j++) | |
1273 | free_irq(bfad->msix_tab[j].msix.vector, | |
1274 | &bfad->msix_tab[j]); | |
1275 | ||
1276 | return 1; | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | return 0; | |
1281 | } | |
1282 | ||
5fbe25c7 | 1283 | /* |
a36c61f9 KG |
1284 | * Setup MSIX based interrupt. |
1285 | */ | |
1286 | int | |
1287 | bfad_setup_intr(struct bfad_s *bfad) | |
1288 | { | |
1289 | int error = 0; | |
1290 | u32 mask = 0, i, num_bit = 0, max_bit = 0; | |
1291 | struct msix_entry msix_entries[MAX_MSIX_ENTRY]; | |
1292 | struct pci_dev *pdev = bfad->pcidev; | |
1293 | ||
1294 | /* Call BFA to get the msix map for this PCI function. */ | |
1295 | bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); | |
1296 | ||
1297 | /* Set up the msix entry table */ | |
1298 | bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); | |
1299 | ||
11189208 KG |
1300 | if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || |
1301 | (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { | |
a36c61f9 KG |
1302 | |
1303 | error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); | |
1304 | if (error) { | |
1305 | /* | |
1306 | * Only error number of vector is available. | |
1307 | * We don't have a mechanism to map multiple | |
1308 | * interrupts into one vector, so even if we | |
1309 | * can try to request less vectors, we don't | |
1310 | * know how to associate interrupt events to | |
25985edc | 1311 | * vectors. Linux doesn't duplicate vectors |
a36c61f9 KG |
1312 | * in the MSIX table for this case. |
1313 | */ | |
1314 | ||
1315 | printk(KERN_WARNING "bfad%d: " | |
1316 | "pci_enable_msix failed (%d)," | |
1317 | " use line based.\n", bfad->inst_no, error); | |
1318 | ||
1319 | goto line_based; | |
1320 | } | |
1321 | ||
1322 | /* Save the vectors */ | |
1323 | for (i = 0; i < bfad->nvec; i++) { | |
1324 | bfa_trc(bfad, msix_entries[i].vector); | |
1325 | bfad->msix_tab[i].msix.vector = msix_entries[i].vector; | |
1326 | } | |
1327 | ||
1328 | bfa_msix_init(&bfad->bfa, bfad->nvec); | |
1329 | ||
1330 | bfad->bfad_flags |= BFAD_MSIX_ON; | |
1331 | ||
1332 | return error; | |
1333 | } | |
1334 | ||
1335 | line_based: | |
1336 | error = 0; | |
1337 | if (request_irq | |
1338 | (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, | |
1339 | BFAD_DRIVER_NAME, bfad) != 0) { | |
1340 | /* Enable interrupt handler failed */ | |
1341 | return 1; | |
1342 | } | |
1343 | ||
1344 | return error; | |
1345 | } | |
1346 | ||
1347 | void | |
1348 | bfad_remove_intr(struct bfad_s *bfad) | |
1349 | { | |
1350 | int i; | |
1351 | ||
1352 | if (bfad->bfad_flags & BFAD_MSIX_ON) { | |
1353 | for (i = 0; i < bfad->nvec; i++) | |
1354 | free_irq(bfad->msix_tab[i].msix.vector, | |
1355 | &bfad->msix_tab[i]); | |
1356 | ||
1357 | pci_disable_msix(bfad->pcidev); | |
1358 | bfad->bfad_flags &= ~BFAD_MSIX_ON; | |
1359 | } else { | |
1360 | free_irq(bfad->pcidev->irq, bfad); | |
1361 | } | |
1362 | } | |
7725ccfd | 1363 | |
5fbe25c7 | 1364 | /* |
7725ccfd JH |
1365 | * PCI probe entry. |
1366 | */ | |
1367 | int | |
1368 | bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1369 | { | |
a36c61f9 KG |
1370 | struct bfad_s *bfad; |
1371 | int error = -ENODEV, retval; | |
7725ccfd | 1372 | |
a36c61f9 | 1373 | /* For single port cards - only claim function 0 */ |
8b070b4a | 1374 | if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && |
a36c61f9 | 1375 | (PCI_FUNC(pdev->devfn) != 0)) |
7725ccfd JH |
1376 | return -ENODEV; |
1377 | ||
7725ccfd JH |
1378 | bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); |
1379 | if (!bfad) { | |
1380 | error = -ENOMEM; | |
1381 | goto out; | |
1382 | } | |
1383 | ||
1384 | bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); | |
1385 | if (!bfad->trcmod) { | |
1386 | printk(KERN_WARNING "Error alloc trace buffer!\n"); | |
1387 | error = -ENOMEM; | |
1388 | goto out_alloc_trace_failure; | |
1389 | } | |
1390 | ||
a36c61f9 | 1391 | /* TRACE INIT */ |
7725ccfd JH |
1392 | bfa_trc_init(bfad->trcmod); |
1393 | bfa_trc(bfad, bfad_inst); | |
1394 | ||
7725ccfd | 1395 | if (!(bfad_load_fwimg(pdev))) { |
7725ccfd JH |
1396 | kfree(bfad->trcmod); |
1397 | goto out_alloc_trace_failure; | |
1398 | } | |
1399 | ||
1400 | retval = bfad_pci_init(pdev, bfad); | |
1401 | if (retval) { | |
1402 | printk(KERN_WARNING "bfad_pci_init failure!\n"); | |
1403 | error = retval; | |
1404 | goto out_pci_init_failure; | |
1405 | } | |
1406 | ||
1407 | mutex_lock(&bfad_mutex); | |
1408 | bfad->inst_no = bfad_inst++; | |
1409 | list_add_tail(&bfad->list_entry, &bfad_list); | |
1410 | mutex_unlock(&bfad_mutex); | |
1411 | ||
a36c61f9 KG |
1412 | /* Initializing the state machine: State set to uninit */ |
1413 | bfa_sm_set_state(bfad, bfad_sm_uninit); | |
1414 | ||
7725ccfd JH |
1415 | spin_lock_init(&bfad->bfad_lock); |
1416 | pci_set_drvdata(pdev, bfad); | |
1417 | ||
1418 | bfad->ref_count = 0; | |
1419 | bfad->pport.bfad = bfad; | |
a36c61f9 | 1420 | INIT_LIST_HEAD(&bfad->pbc_vport_list); |
e6714324 | 1421 | |
7c38c05b KG |
1422 | /* Setup the debugfs node for this bfad */ |
1423 | if (bfa_debugfs_enable) | |
1424 | bfad_debugfs_init(&bfad->pport); | |
1425 | ||
7725ccfd JH |
1426 | retval = bfad_drv_init(bfad); |
1427 | if (retval != BFA_STATUS_OK) | |
1428 | goto out_drv_init_failure; | |
7725ccfd | 1429 | |
a36c61f9 | 1430 | bfa_sm_send_event(bfad, BFAD_E_CREATE); |
7725ccfd | 1431 | |
a36c61f9 KG |
1432 | if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) |
1433 | goto out_bfad_sm_failure; | |
7725ccfd | 1434 | |
7725ccfd JH |
1435 | return 0; |
1436 | ||
a36c61f9 KG |
1437 | out_bfad_sm_failure: |
1438 | bfa_detach(&bfad->bfa); | |
1439 | bfad_hal_mem_release(bfad); | |
7725ccfd | 1440 | out_drv_init_failure: |
7c38c05b KG |
1441 | /* Remove the debugfs node for this bfad */ |
1442 | kfree(bfad->regdata); | |
1443 | bfad_debugfs_exit(&bfad->pport); | |
7725ccfd JH |
1444 | mutex_lock(&bfad_mutex); |
1445 | bfad_inst--; | |
1446 | list_del(&bfad->list_entry); | |
1447 | mutex_unlock(&bfad_mutex); | |
1448 | bfad_pci_uninit(pdev, bfad); | |
1449 | out_pci_init_failure: | |
1450 | kfree(bfad->trcmod); | |
1451 | out_alloc_trace_failure: | |
1452 | kfree(bfad); | |
1453 | out: | |
1454 | return error; | |
1455 | } | |
1456 | ||
5fbe25c7 | 1457 | /* |
7725ccfd JH |
1458 | * PCI remove entry. |
1459 | */ | |
1460 | void | |
1461 | bfad_pci_remove(struct pci_dev *pdev) | |
1462 | { | |
a36c61f9 KG |
1463 | struct bfad_s *bfad = pci_get_drvdata(pdev); |
1464 | unsigned long flags; | |
7725ccfd JH |
1465 | |
1466 | bfa_trc(bfad, bfad->inst_no); | |
1467 | ||
e6714324 | 1468 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
a36c61f9 | 1469 | if (bfad->bfad_tsk != NULL) { |
7725ccfd | 1470 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
a36c61f9 KG |
1471 | kthread_stop(bfad->bfad_tsk); |
1472 | } else { | |
e6714324 | 1473 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
e6714324 | 1474 | } |
7725ccfd | 1475 | |
a36c61f9 KG |
1476 | /* Send Event BFAD_E_STOP */ |
1477 | bfa_sm_send_event(bfad, BFAD_E_STOP); | |
e6714324 | 1478 | |
a36c61f9 | 1479 | /* Driver detach and dealloc mem */ |
7725ccfd JH |
1480 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1481 | bfa_detach(&bfad->bfa); | |
1482 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1483 | bfad_hal_mem_release(bfad); | |
7725ccfd | 1484 | |
7c38c05b KG |
1485 | /* Remove the debugfs node for this bfad */ |
1486 | kfree(bfad->regdata); | |
1487 | bfad_debugfs_exit(&bfad->pport); | |
1488 | ||
a36c61f9 | 1489 | /* Cleaning the BFAD instance */ |
7725ccfd JH |
1490 | mutex_lock(&bfad_mutex); |
1491 | bfad_inst--; | |
1492 | list_del(&bfad->list_entry); | |
1493 | mutex_unlock(&bfad_mutex); | |
1494 | bfad_pci_uninit(pdev, bfad); | |
1495 | ||
1496 | kfree(bfad->trcmod); | |
1497 | kfree(bfad); | |
1498 | } | |
1499 | ||
a36c61f9 | 1500 | struct pci_device_id bfad_id_table[] = { |
7725ccfd | 1501 | { |
a36c61f9 KG |
1502 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1503 | .device = BFA_PCI_DEVICE_ID_FC_8G2P, | |
1504 | .subvendor = PCI_ANY_ID, | |
1505 | .subdevice = PCI_ANY_ID, | |
1506 | }, | |
7725ccfd | 1507 | { |
a36c61f9 KG |
1508 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1509 | .device = BFA_PCI_DEVICE_ID_FC_8G1P, | |
1510 | .subvendor = PCI_ANY_ID, | |
1511 | .subdevice = PCI_ANY_ID, | |
1512 | }, | |
7725ccfd | 1513 | { |
a36c61f9 KG |
1514 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1515 | .device = BFA_PCI_DEVICE_ID_CT, | |
1516 | .subvendor = PCI_ANY_ID, | |
1517 | .subdevice = PCI_ANY_ID, | |
1518 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1519 | .class_mask = ~0, | |
1520 | }, | |
293f82d5 | 1521 | { |
a36c61f9 KG |
1522 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1523 | .device = BFA_PCI_DEVICE_ID_CT_FC, | |
1524 | .subvendor = PCI_ANY_ID, | |
1525 | .subdevice = PCI_ANY_ID, | |
1526 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1527 | .class_mask = ~0, | |
293f82d5 | 1528 | }, |
11189208 KG |
1529 | { |
1530 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, | |
1531 | .device = BFA_PCI_DEVICE_ID_CT2, | |
1532 | .subvendor = PCI_ANY_ID, | |
1533 | .subdevice = PCI_ANY_ID, | |
1534 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1535 | .class_mask = ~0, | |
1536 | }, | |
7725ccfd JH |
1537 | |
1538 | {0, 0}, | |
1539 | }; | |
1540 | ||
1541 | MODULE_DEVICE_TABLE(pci, bfad_id_table); | |
1542 | ||
1543 | static struct pci_driver bfad_pci_driver = { | |
1544 | .name = BFAD_DRIVER_NAME, | |
1545 | .id_table = bfad_id_table, | |
1546 | .probe = bfad_pci_probe, | |
1547 | .remove = __devexit_p(bfad_pci_remove), | |
1548 | }; | |
1549 | ||
5fbe25c7 | 1550 | /* |
7725ccfd JH |
1551 | * Driver module init. |
1552 | */ | |
a36c61f9 | 1553 | static int __init |
7725ccfd JH |
1554 | bfad_init(void) |
1555 | { | |
a36c61f9 | 1556 | int error = 0; |
7725ccfd JH |
1557 | |
1558 | printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", | |
a36c61f9 | 1559 | BFAD_DRIVER_VERSION); |
7725ccfd JH |
1560 | |
1561 | if (num_sgpgs > 0) | |
1562 | num_sgpgs_parm = num_sgpgs; | |
1563 | ||
a36c61f9 | 1564 | error = bfad_im_module_init(); |
7725ccfd JH |
1565 | if (error) { |
1566 | error = -ENOMEM; | |
a36c61f9 | 1567 | printk(KERN_WARNING "bfad_im_module_init failure\n"); |
7725ccfd JH |
1568 | goto ext; |
1569 | } | |
1570 | ||
a36c61f9 KG |
1571 | if (strcmp(FCPI_NAME, " fcpim") == 0) |
1572 | supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; | |
7725ccfd | 1573 | |
f7f73812 | 1574 | bfa_auto_recover = ioc_auto_recover; |
7725ccfd | 1575 | bfa_fcs_rport_set_del_timeout(rport_del_timeout); |
7725ccfd | 1576 | |
a36c61f9 | 1577 | error = pci_register_driver(&bfad_pci_driver); |
7725ccfd | 1578 | if (error) { |
a36c61f9 | 1579 | printk(KERN_WARNING "pci_register_driver failure\n"); |
7725ccfd JH |
1580 | goto ext; |
1581 | } | |
1582 | ||
1583 | return 0; | |
1584 | ||
1585 | ext: | |
a36c61f9 | 1586 | bfad_im_module_exit(); |
7725ccfd JH |
1587 | return error; |
1588 | } | |
1589 | ||
5fbe25c7 | 1590 | /* |
7725ccfd JH |
1591 | * Driver module exit. |
1592 | */ | |
a36c61f9 | 1593 | static void __exit |
7725ccfd JH |
1594 | bfad_exit(void) |
1595 | { | |
1596 | pci_unregister_driver(&bfad_pci_driver); | |
a36c61f9 | 1597 | bfad_im_module_exit(); |
7725ccfd JH |
1598 | bfad_free_fwimg(); |
1599 | } | |
1600 | ||
a36c61f9 | 1601 | /* Firmware handling */ |
61338a0b | 1602 | static void |
a36c61f9 KG |
1603 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, |
1604 | u32 *bfi_image_size, char *fw_name) | |
1605 | { | |
1606 | const struct firmware *fw; | |
1607 | ||
1608 | if (request_firmware(&fw, fw_name, &pdev->dev)) { | |
1609 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); | |
61338a0b JH |
1610 | *bfi_image = NULL; |
1611 | goto out; | |
a36c61f9 KG |
1612 | } |
1613 | ||
1614 | *bfi_image = vmalloc(fw->size); | |
1615 | if (NULL == *bfi_image) { | |
1616 | printk(KERN_ALERT "Fail to allocate buffer for fw image " | |
1617 | "size=%x!\n", (u32) fw->size); | |
61338a0b | 1618 | goto out; |
a36c61f9 KG |
1619 | } |
1620 | ||
1621 | memcpy(*bfi_image, fw->data, fw->size); | |
1622 | *bfi_image_size = fw->size/sizeof(u32); | |
61338a0b JH |
1623 | out: |
1624 | release_firmware(fw); | |
a36c61f9 KG |
1625 | } |
1626 | ||
61338a0b JH |
1627 | static u32 * |
1628 | bfad_load_fwimg(struct pci_dev *pdev) | |
a36c61f9 | 1629 | { |
11189208 KG |
1630 | if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { |
1631 | if (bfi_image_ct2_size == 0) | |
1632 | bfad_read_firmware(pdev, &bfi_image_ct2, | |
1633 | &bfi_image_ct2_size, BFAD_FW_FILE_CT2); | |
1634 | return bfi_image_ct2; | |
1635 | } else if (bfa_asic_id_ct(pdev->device)) { | |
1636 | if (bfi_image_ct_size == 0) | |
1637 | bfad_read_firmware(pdev, &bfi_image_ct, | |
1638 | &bfi_image_ct_size, BFAD_FW_FILE_CT); | |
1639 | return bfi_image_ct; | |
a36c61f9 | 1640 | } else { |
11189208 KG |
1641 | if (bfi_image_cb_size == 0) |
1642 | bfad_read_firmware(pdev, &bfi_image_cb, | |
1643 | &bfi_image_cb_size, BFAD_FW_FILE_CB); | |
1644 | return bfi_image_cb; | |
a36c61f9 KG |
1645 | } |
1646 | } | |
7725ccfd | 1647 | |
61338a0b JH |
1648 | static void |
1649 | bfad_free_fwimg(void) | |
1650 | { | |
11189208 KG |
1651 | if (bfi_image_ct2_size && bfi_image_ct2) |
1652 | vfree(bfi_image_ct2); | |
1653 | if (bfi_image_ct_size && bfi_image_ct) | |
1654 | vfree(bfi_image_ct); | |
1655 | if (bfi_image_cb_size && bfi_image_cb) | |
1656 | vfree(bfi_image_cb); | |
61338a0b JH |
1657 | } |
1658 | ||
7725ccfd JH |
1659 | module_init(bfad_init); |
1660 | module_exit(bfad_exit); | |
1661 | MODULE_LICENSE("GPL"); | |
1662 | MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); | |
1663 | MODULE_AUTHOR("Brocade Communications Systems, Inc."); | |
1664 | MODULE_VERSION(BFAD_DRIVER_VERSION); |