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; | |
56 | int pcie_max_read_reqsz; | |
ab2a9ba1 | 57 | int bfa_debugfs_enable = 1; |
a36c61f9 | 58 | int msix_disable_cb = 0, msix_disable_ct = 0; |
61e62e21 | 59 | int max_xfer_size = BFAD_MAX_SECTORS >> 1; |
a36c61f9 | 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]"); | |
142 | module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); | |
143 | MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " | |
144 | "(use system setting), Range[128|256|512|1024|2048|4096]"); | |
ab2a9ba1 JH |
145 | module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); |
146 | MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," | |
147 | " Range[false:0|true:1]"); | |
61e62e21 KG |
148 | module_param(max_xfer_size, int, S_IRUGO | S_IWUSR); |
149 | MODULE_PARM_DESC(max_xfer_size, "default=32MB," | |
150 | " Range[64k|128k|256k|512k|1024k|2048k]"); | |
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 | ||
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 | { | |
7725ccfd | 517 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
4507025d KG |
518 | struct bfa_mem_dma_s *dma_info, *dma_elem; |
519 | struct bfa_mem_kva_s *kva_info, *kva_elem; | |
520 | struct list_head *dm_qe, *km_qe; | |
521 | ||
522 | dma_info = &hal_meminfo->dma_info; | |
523 | kva_info = &hal_meminfo->kva_info; | |
524 | ||
525 | /* Iterate through the KVA meminfo queue */ | |
526 | list_for_each(km_qe, &kva_info->qe) { | |
527 | kva_elem = (struct bfa_mem_kva_s *) km_qe; | |
528 | vfree(kva_elem->kva); | |
529 | } | |
530 | ||
531 | /* Iterate through the DMA meminfo queue */ | |
532 | list_for_each(dm_qe, &dma_info->qe) { | |
533 | dma_elem = (struct bfa_mem_dma_s *) dm_qe; | |
534 | dma_free_coherent(&bfad->pcidev->dev, | |
535 | dma_elem->mem_len, dma_elem->kva, | |
536 | (dma_addr_t) dma_elem->dma); | |
7725ccfd JH |
537 | } |
538 | ||
539 | memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); | |
540 | } | |
541 | ||
542 | void | |
543 | bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) | |
544 | { | |
545 | if (num_rports > 0) | |
546 | bfa_cfg->fwcfg.num_rports = num_rports; | |
547 | if (num_ios > 0) | |
548 | bfa_cfg->fwcfg.num_ioim_reqs = num_ios; | |
549 | if (num_tms > 0) | |
550 | bfa_cfg->fwcfg.num_tskim_reqs = num_tms; | |
4507025d | 551 | if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX) |
7725ccfd | 552 | bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; |
4507025d | 553 | if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX) |
7725ccfd JH |
554 | bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; |
555 | if (reqq_size > 0) | |
556 | bfa_cfg->drvcfg.num_reqq_elems = reqq_size; | |
557 | if (rspq_size > 0) | |
558 | bfa_cfg->drvcfg.num_rspq_elems = rspq_size; | |
4507025d | 559 | if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX) |
7725ccfd JH |
560 | bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; |
561 | ||
562 | /* | |
563 | * populate the hal values back to the driver for sysfs use. | |
564 | * otherwise, the default values will be shown as 0 in sysfs | |
565 | */ | |
566 | num_rports = bfa_cfg->fwcfg.num_rports; | |
a36c61f9 KG |
567 | num_ios = bfa_cfg->fwcfg.num_ioim_reqs; |
568 | num_tms = bfa_cfg->fwcfg.num_tskim_reqs; | |
569 | num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; | |
7725ccfd | 570 | num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; |
a36c61f9 KG |
571 | reqq_size = bfa_cfg->drvcfg.num_reqq_elems; |
572 | rspq_size = bfa_cfg->drvcfg.num_rspq_elems; | |
573 | num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; | |
7725ccfd JH |
574 | } |
575 | ||
576 | bfa_status_t | |
577 | bfad_hal_mem_alloc(struct bfad_s *bfad) | |
578 | { | |
579 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; | |
4507025d KG |
580 | struct bfa_mem_dma_s *dma_info, *dma_elem; |
581 | struct bfa_mem_kva_s *kva_info, *kva_elem; | |
582 | struct list_head *dm_qe, *km_qe; | |
a36c61f9 | 583 | bfa_status_t rc = BFA_STATUS_OK; |
4507025d | 584 | dma_addr_t phys_addr; |
7725ccfd JH |
585 | |
586 | bfa_cfg_get_default(&bfad->ioc_cfg); | |
7725ccfd JH |
587 | bfad_update_hal_cfg(&bfad->ioc_cfg); |
588 | bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; | |
4507025d KG |
589 | bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa); |
590 | ||
591 | dma_info = &hal_meminfo->dma_info; | |
592 | kva_info = &hal_meminfo->kva_info; | |
593 | ||
594 | /* Iterate through the KVA meminfo queue */ | |
595 | list_for_each(km_qe, &kva_info->qe) { | |
596 | kva_elem = (struct bfa_mem_kva_s *) km_qe; | |
597 | kva_elem->kva = vmalloc(kva_elem->mem_len); | |
598 | if (kva_elem->kva == NULL) { | |
599 | bfad_hal_mem_release(bfad); | |
600 | rc = BFA_STATUS_ENOMEM; | |
601 | goto ext; | |
602 | } | |
603 | memset(kva_elem->kva, 0, kva_elem->mem_len); | |
604 | } | |
7725ccfd | 605 | |
4507025d KG |
606 | /* Iterate through the DMA meminfo queue */ |
607 | list_for_each(dm_qe, &dma_info->qe) { | |
608 | dma_elem = (struct bfa_mem_dma_s *) dm_qe; | |
609 | dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, | |
610 | dma_elem->mem_len, | |
611 | &phys_addr, GFP_KERNEL); | |
612 | if (dma_elem->kva == NULL) { | |
613 | bfad_hal_mem_release(bfad); | |
614 | rc = BFA_STATUS_ENOMEM; | |
615 | goto ext; | |
7725ccfd | 616 | } |
4507025d KG |
617 | dma_elem->dma = phys_addr; |
618 | memset(dma_elem->kva, 0, dma_elem->mem_len); | |
7725ccfd JH |
619 | } |
620 | ext: | |
621 | return rc; | |
622 | } | |
623 | ||
5fbe25c7 | 624 | /* |
7725ccfd JH |
625 | * Create a vport under a vf. |
626 | */ | |
627 | bfa_status_t | |
628 | bfad_vport_create(struct bfad_s *bfad, u16 vf_id, | |
a36c61f9 | 629 | struct bfa_lport_cfg_s *port_cfg, struct device *dev) |
7725ccfd | 630 | { |
a36c61f9 KG |
631 | struct bfad_vport_s *vport; |
632 | int rc = BFA_STATUS_OK; | |
633 | unsigned long flags; | |
7725ccfd JH |
634 | struct completion fcomp; |
635 | ||
636 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); | |
637 | if (!vport) { | |
638 | rc = BFA_STATUS_ENOMEM; | |
639 | goto ext; | |
640 | } | |
641 | ||
642 | vport->drv_port.bfad = bfad; | |
643 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
644 | rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, |
645 | port_cfg, vport); | |
7725ccfd JH |
646 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
647 | ||
648 | if (rc != BFA_STATUS_OK) | |
649 | goto ext_free_vport; | |
650 | ||
a36c61f9 | 651 | if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { |
b504293f JH |
652 | rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, |
653 | dev); | |
7725ccfd JH |
654 | if (rc != BFA_STATUS_OK) |
655 | goto ext_free_fcs_vport; | |
656 | } | |
657 | ||
658 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
659 | bfa_fcs_vport_start(&vport->fcs_vport); | |
5b7db7af | 660 | list_add_tail(&vport->list_entry, &bfad->vport_list); |
7725ccfd JH |
661 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
662 | ||
663 | return BFA_STATUS_OK; | |
664 | ||
665 | ext_free_fcs_vport: | |
666 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
667 | vport->comp_del = &fcomp; | |
668 | init_completion(vport->comp_del); | |
669 | bfa_fcs_vport_delete(&vport->fcs_vport); | |
670 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
671 | wait_for_completion(vport->comp_del); | |
672 | ext_free_vport: | |
673 | kfree(vport); | |
674 | ext: | |
675 | return rc; | |
676 | } | |
677 | ||
7725ccfd JH |
678 | void |
679 | bfad_bfa_tmo(unsigned long data) | |
680 | { | |
a36c61f9 KG |
681 | struct bfad_s *bfad = (struct bfad_s *) data; |
682 | unsigned long flags; | |
683 | struct list_head doneq; | |
7725ccfd JH |
684 | |
685 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
686 | ||
f7f73812 | 687 | bfa_timer_beat(&bfad->bfa.timer_mod); |
7725ccfd JH |
688 | |
689 | bfa_comp_deq(&bfad->bfa, &doneq); | |
690 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
691 | ||
692 | if (!list_empty(&doneq)) { | |
693 | bfa_comp_process(&bfad->bfa, &doneq); | |
694 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
695 | bfa_comp_free(&bfad->bfa, &doneq); | |
696 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
697 | } | |
698 | ||
a36c61f9 KG |
699 | mod_timer(&bfad->hal_tmo, |
700 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
701 | } |
702 | ||
703 | void | |
704 | bfad_init_timer(struct bfad_s *bfad) | |
705 | { | |
706 | init_timer(&bfad->hal_tmo); | |
707 | bfad->hal_tmo.function = bfad_bfa_tmo; | |
708 | bfad->hal_tmo.data = (unsigned long)bfad; | |
709 | ||
a36c61f9 KG |
710 | mod_timer(&bfad->hal_tmo, |
711 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); | |
7725ccfd JH |
712 | } |
713 | ||
714 | int | |
715 | bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) | |
716 | { | |
a36c61f9 | 717 | int rc = -ENODEV; |
7725ccfd JH |
718 | |
719 | if (pci_enable_device(pdev)) { | |
a36c61f9 | 720 | printk(KERN_ERR "pci_enable_device fail %p\n", pdev); |
7725ccfd JH |
721 | goto out; |
722 | } | |
723 | ||
724 | if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) | |
725 | goto out_disable_device; | |
726 | ||
727 | pci_set_master(pdev); | |
728 | ||
729 | ||
10a07379 KG |
730 | if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) || |
731 | (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) { | |
732 | if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || | |
733 | (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { | |
a36c61f9 | 734 | printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); |
7725ccfd JH |
735 | goto out_release_region; |
736 | } | |
10a07379 | 737 | } |
7725ccfd | 738 | |
b3522f08 | 739 | bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); |
11189208 | 740 | bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); |
7725ccfd JH |
741 | |
742 | if (bfad->pci_bar0_kva == NULL) { | |
a36c61f9 | 743 | printk(KERN_ERR "Fail to map bar0\n"); |
7725ccfd JH |
744 | goto out_release_region; |
745 | } | |
746 | ||
747 | bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); | |
748 | bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); | |
749 | bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; | |
750 | bfad->hal_pcidev.device_id = pdev->device; | |
1a4d8e1b | 751 | bfad->hal_pcidev.ssid = pdev->subsystem_device; |
7725ccfd JH |
752 | bfad->pci_name = pci_name(pdev); |
753 | ||
754 | bfad->pci_attr.vendor_id = pdev->vendor; | |
755 | bfad->pci_attr.device_id = pdev->device; | |
756 | bfad->pci_attr.ssid = pdev->subsystem_device; | |
757 | bfad->pci_attr.ssvid = pdev->subsystem_vendor; | |
758 | bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); | |
759 | ||
760 | bfad->pcidev = pdev; | |
a36c61f9 KG |
761 | |
762 | /* Adjust PCIe Maximum Read Request Size */ | |
763 | if (pcie_max_read_reqsz > 0) { | |
764 | int pcie_cap_reg; | |
765 | u16 pcie_dev_ctl; | |
766 | u16 mask = 0xffff; | |
767 | ||
768 | switch (pcie_max_read_reqsz) { | |
769 | case 128: | |
770 | mask = 0x0; | |
771 | break; | |
772 | case 256: | |
773 | mask = 0x1000; | |
774 | break; | |
775 | case 512: | |
776 | mask = 0x2000; | |
777 | break; | |
778 | case 1024: | |
779 | mask = 0x3000; | |
780 | break; | |
781 | case 2048: | |
782 | mask = 0x4000; | |
783 | break; | |
784 | case 4096: | |
785 | mask = 0x5000; | |
786 | break; | |
787 | default: | |
788 | break; | |
789 | } | |
790 | ||
791 | pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
792 | if (mask != 0xffff && pcie_cap_reg) { | |
793 | pcie_cap_reg += 0x08; | |
794 | pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); | |
795 | if ((pcie_dev_ctl & 0x7000) != mask) { | |
796 | printk(KERN_WARNING "BFA[%s]: " | |
797 | "pcie_max_read_request_size is %d, " | |
798 | "reset to %d\n", bfad->pci_name, | |
799 | (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, | |
800 | pcie_max_read_reqsz); | |
801 | ||
802 | pcie_dev_ctl &= ~0x7000; | |
803 | pci_write_config_word(pdev, pcie_cap_reg, | |
804 | pcie_dev_ctl | mask); | |
805 | } | |
806 | } | |
807 | } | |
808 | ||
7725ccfd JH |
809 | return 0; |
810 | ||
811 | out_release_region: | |
812 | pci_release_regions(pdev); | |
813 | out_disable_device: | |
814 | pci_disable_device(pdev); | |
815 | out: | |
816 | return rc; | |
817 | } | |
818 | ||
819 | void | |
820 | bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) | |
821 | { | |
7725ccfd | 822 | pci_iounmap(pdev, bfad->pci_bar0_kva); |
11189208 | 823 | pci_iounmap(pdev, bfad->pci_bar2_kva); |
7725ccfd JH |
824 | pci_release_regions(pdev); |
825 | pci_disable_device(pdev); | |
826 | pci_set_drvdata(pdev, NULL); | |
827 | } | |
828 | ||
7725ccfd JH |
829 | bfa_status_t |
830 | bfad_drv_init(struct bfad_s *bfad) | |
831 | { | |
a36c61f9 KG |
832 | bfa_status_t rc; |
833 | unsigned long flags; | |
7725ccfd JH |
834 | |
835 | bfad->cfg_data.rport_del_timeout = rport_del_timeout; | |
836 | bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; | |
837 | bfad->cfg_data.io_max_sge = bfa_io_max_sge; | |
838 | bfad->cfg_data.binding_method = FCP_PWWN_BINDING; | |
839 | ||
840 | rc = bfad_hal_mem_alloc(bfad); | |
841 | if (rc != BFA_STATUS_OK) { | |
842 | printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", | |
843 | bfad->inst_no); | |
844 | printk(KERN_WARNING | |
a36c61f9 KG |
845 | "Not enough memory to attach all Brocade HBA ports, %s", |
846 | "System may need more memory.\n"); | |
7725ccfd JH |
847 | goto out_hal_mem_alloc_failure; |
848 | } | |
849 | ||
f7f73812 MZ |
850 | bfad->bfa.trcmod = bfad->trcmod; |
851 | bfad->bfa.plog = &bfad->plog_buf; | |
7725ccfd JH |
852 | bfa_plog_init(&bfad->plog_buf); |
853 | bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, | |
854 | 0, "Driver Attach"); | |
855 | ||
856 | bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, | |
857 | &bfad->hal_pcidev); | |
858 | ||
a36c61f9 | 859 | /* FCS INIT */ |
7725ccfd | 860 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
f7f73812 | 861 | bfad->bfa_fcs.trcmod = bfad->trcmod; |
82794a2e | 862 | bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); |
f7f73812 | 863 | bfad->bfa_fcs.fdmi_enabled = fdmi_enable; |
75332a70 | 864 | bfa_fcs_init(&bfad->bfa_fcs); |
7725ccfd JH |
865 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
866 | ||
867 | bfad->bfad_flags |= BFAD_DRV_INIT_DONE; | |
a36c61f9 | 868 | |
75332a70 KG |
869 | /* configure base port */ |
870 | rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); | |
871 | if (rc != BFA_STATUS_OK) | |
872 | goto out_cfg_pport_fail; | |
873 | ||
7725ccfd JH |
874 | return BFA_STATUS_OK; |
875 | ||
75332a70 KG |
876 | out_cfg_pport_fail: |
877 | /* fcs exit - on cfg pport failure */ | |
878 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
879 | init_completion(&bfad->comp); | |
880 | bfad->pport.flags |= BFAD_PORT_DELETE; | |
881 | bfa_fcs_exit(&bfad->bfa_fcs); | |
882 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
883 | wait_for_completion(&bfad->comp); | |
884 | /* bfa detach - free hal memory */ | |
885 | bfa_detach(&bfad->bfa); | |
886 | bfad_hal_mem_release(bfad); | |
7725ccfd JH |
887 | out_hal_mem_alloc_failure: |
888 | return BFA_STATUS_FAILED; | |
889 | } | |
890 | ||
891 | void | |
892 | bfad_drv_uninit(struct bfad_s *bfad) | |
893 | { | |
e6714324 KG |
894 | unsigned long flags; |
895 | ||
896 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
897 | init_completion(&bfad->comp); | |
f7f73812 | 898 | bfa_iocfc_stop(&bfad->bfa); |
e6714324 KG |
899 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
900 | wait_for_completion(&bfad->comp); | |
901 | ||
7725ccfd JH |
902 | del_timer_sync(&bfad->hal_tmo); |
903 | bfa_isr_disable(&bfad->bfa); | |
904 | bfa_detach(&bfad->bfa); | |
905 | bfad_remove_intr(bfad); | |
7725ccfd | 906 | bfad_hal_mem_release(bfad); |
e6714324 KG |
907 | |
908 | bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; | |
7725ccfd JH |
909 | } |
910 | ||
911 | void | |
912 | bfad_drv_start(struct bfad_s *bfad) | |
913 | { | |
a36c61f9 | 914 | unsigned long flags; |
7725ccfd JH |
915 | |
916 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
f7f73812 | 917 | bfa_iocfc_start(&bfad->bfa); |
75332a70 | 918 | bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); |
f7f73812 | 919 | bfa_fcs_fabric_modstart(&bfad->bfa_fcs); |
7725ccfd JH |
920 | bfad->bfad_flags |= BFAD_HAL_START_DONE; |
921 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
922 | ||
a36c61f9 KG |
923 | if (bfad->im) |
924 | flush_workqueue(bfad->im->drv_workq); | |
7725ccfd JH |
925 | } |
926 | ||
927 | void | |
a36c61f9 | 928 | bfad_fcs_stop(struct bfad_s *bfad) |
7725ccfd | 929 | { |
a36c61f9 | 930 | unsigned long flags; |
7725ccfd JH |
931 | |
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 | ||
a36c61f9 KG |
939 | bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); |
940 | } | |
941 | ||
942 | void | |
943 | bfad_stop(struct bfad_s *bfad) | |
944 | { | |
945 | unsigned long flags; | |
946 | ||
7725ccfd JH |
947 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
948 | init_completion(&bfad->comp); | |
f7f73812 | 949 | bfa_iocfc_stop(&bfad->bfa); |
7725ccfd JH |
950 | bfad->bfad_flags &= ~BFAD_HAL_START_DONE; |
951 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
952 | wait_for_completion(&bfad->comp); | |
a36c61f9 KG |
953 | |
954 | bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); | |
7725ccfd JH |
955 | } |
956 | ||
957 | bfa_status_t | |
a36c61f9 | 958 | bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) |
7725ccfd | 959 | { |
a36c61f9 | 960 | int rc = BFA_STATUS_OK; |
7725ccfd | 961 | |
a36c61f9 KG |
962 | /* Allocate scsi_host for the physical port */ |
963 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && | |
964 | (role & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
965 | if (bfad->pport.im_port == NULL) { |
966 | rc = BFA_STATUS_FAILED; | |
967 | goto out; | |
968 | } | |
969 | ||
b504293f JH |
970 | rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, |
971 | &bfad->pcidev->dev); | |
7725ccfd JH |
972 | if (rc != BFA_STATUS_OK) |
973 | goto out; | |
974 | ||
a36c61f9 | 975 | bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
976 | } |
977 | ||
978 | bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; | |
979 | ||
980 | out: | |
981 | return rc; | |
982 | } | |
983 | ||
984 | void | |
985 | bfad_uncfg_pport(struct bfad_s *bfad) | |
986 | { | |
a36c61f9 KG |
987 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && |
988 | (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { | |
7725ccfd JH |
989 | bfad_im_scsi_host_free(bfad, bfad->pport.im_port); |
990 | bfad_im_port_clean(bfad->pport.im_port); | |
991 | kfree(bfad->pport.im_port); | |
a36c61f9 | 992 | bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; |
7725ccfd JH |
993 | } |
994 | ||
995 | bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; | |
996 | } | |
997 | ||
e6714324 | 998 | bfa_status_t |
a36c61f9 KG |
999 | bfad_start_ops(struct bfad_s *bfad) { |
1000 | ||
1001 | int retval; | |
1002 | unsigned long flags; | |
1003 | struct bfad_vport_s *vport, *vport_new; | |
1004 | struct bfa_fcs_driver_info_s driver_info; | |
1005 | ||
61e62e21 KG |
1006 | /* Limit min/max. xfer size to [64k-32MB] */ |
1007 | if (max_xfer_size < BFAD_MIN_SECTORS >> 1) | |
1008 | max_xfer_size = BFAD_MIN_SECTORS >> 1; | |
1009 | if (max_xfer_size > BFAD_MAX_SECTORS >> 1) | |
1010 | max_xfer_size = BFAD_MAX_SECTORS >> 1; | |
1011 | ||
a36c61f9 KG |
1012 | /* Fill the driver_info info to fcs*/ |
1013 | memset(&driver_info, 0, sizeof(driver_info)); | |
1014 | strncpy(driver_info.version, BFAD_DRIVER_VERSION, | |
1015 | sizeof(driver_info.version) - 1); | |
1016 | if (host_name) | |
1017 | strncpy(driver_info.host_machine_name, host_name, | |
1018 | sizeof(driver_info.host_machine_name) - 1); | |
1019 | if (os_name) | |
1020 | strncpy(driver_info.host_os_name, os_name, | |
1021 | sizeof(driver_info.host_os_name) - 1); | |
1022 | if (os_patch) | |
1023 | strncpy(driver_info.host_os_patch, os_patch, | |
1024 | sizeof(driver_info.host_os_patch) - 1); | |
1025 | ||
1026 | strncpy(driver_info.os_device_name, bfad->pci_name, | |
1027 | sizeof(driver_info.os_device_name - 1)); | |
1028 | ||
75332a70 | 1029 | /* FCS driver info init */ |
a36c61f9 KG |
1030 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1031 | bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); | |
a36c61f9 | 1032 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
e6714324 | 1033 | |
75332a70 KG |
1034 | /* |
1035 | * FCS update cfg - reset the pwwn/nwwn of fabric base logical port | |
1036 | * with values learned during bfa_init firmware GETATTR REQ. | |
1037 | */ | |
1038 | bfa_fcs_update_cfg(&bfad->bfa_fcs); | |
1039 | ||
1040 | /* Setup fc host fixed attribute if the lk supports */ | |
1041 | bfad_fc_host_init(bfad->pport.im_port); | |
e6714324 | 1042 | |
a36c61f9 KG |
1043 | /* BFAD level FC4 IM specific resource allocation */ |
1044 | retval = bfad_im_probe(bfad); | |
1045 | if (retval != BFA_STATUS_OK) { | |
1046 | printk(KERN_WARNING "bfad_im_probe failed\n"); | |
1047 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) | |
1048 | bfa_sm_set_state(bfad, bfad_sm_failed); | |
1049 | bfad_im_probe_undo(bfad); | |
1050 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; | |
1051 | bfad_uncfg_pport(bfad); | |
1052 | bfad_stop(bfad); | |
1053 | return BFA_STATUS_FAILED; | |
1054 | } else | |
1055 | bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; | |
1056 | ||
e6714324 KG |
1057 | bfad_drv_start(bfad); |
1058 | ||
a36c61f9 KG |
1059 | /* Complete pbc vport create */ |
1060 | list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, | |
1061 | list_entry) { | |
d9883548 JH |
1062 | struct fc_vport_identifiers vid; |
1063 | struct fc_vport *fc_vport; | |
a36c61f9 | 1064 | char pwwn_buf[BFA_STRING_32]; |
d9883548 JH |
1065 | |
1066 | memset(&vid, 0, sizeof(vid)); | |
1067 | vid.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
1068 | vid.vport_type = FC_PORTTYPE_NPIV; | |
1069 | vid.disable = false; | |
a36c61f9 KG |
1070 | vid.node_name = wwn_to_u64((u8 *) |
1071 | (&((vport->fcs_vport).lport.port_cfg.nwwn))); | |
1072 | vid.port_name = wwn_to_u64((u8 *) | |
1073 | (&((vport->fcs_vport).lport.port_cfg.pwwn))); | |
d9883548 | 1074 | fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); |
a36c61f9 KG |
1075 | if (!fc_vport) { |
1076 | wwn2str(pwwn_buf, vid.port_name); | |
d9883548 | 1077 | printk(KERN_WARNING "bfad%d: failed to create pbc vport" |
a36c61f9 KG |
1078 | " %s\n", bfad->inst_no, pwwn_buf); |
1079 | } | |
1080 | list_del(&vport->list_entry); | |
1081 | kfree(vport); | |
d9883548 JH |
1082 | } |
1083 | ||
e6714324 KG |
1084 | /* |
1085 | * If bfa_linkup_delay is set to -1 default; try to retrive the | |
f16a1750 | 1086 | * value using the bfad_get_linkup_delay(); else use the |
e6714324 KG |
1087 | * passed in module param value as the bfa_linkup_delay. |
1088 | */ | |
1089 | if (bfa_linkup_delay < 0) { | |
f16a1750 MZ |
1090 | bfa_linkup_delay = bfad_get_linkup_delay(bfad); |
1091 | bfad_rport_online_wait(bfad); | |
e6714324 | 1092 | bfa_linkup_delay = -1; |
a36c61f9 | 1093 | } else |
f16a1750 | 1094 | bfad_rport_online_wait(bfad); |
e6714324 | 1095 | |
88166242 | 1096 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); |
e6714324 KG |
1097 | |
1098 | return BFA_STATUS_OK; | |
e6714324 KG |
1099 | } |
1100 | ||
1101 | int | |
d9883548 | 1102 | bfad_worker(void *ptr) |
e6714324 KG |
1103 | { |
1104 | struct bfad_s *bfad; | |
1105 | unsigned long flags; | |
1106 | ||
1107 | bfad = (struct bfad_s *)ptr; | |
1108 | ||
1109 | while (!kthread_should_stop()) { | |
1110 | ||
a36c61f9 KG |
1111 | /* Send event BFAD_E_INIT_SUCCESS */ |
1112 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); | |
e6714324 KG |
1113 | |
1114 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1115 | bfad->bfad_tsk = NULL; | |
1116 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1117 | ||
1118 | break; | |
1119 | } | |
1120 | ||
1121 | return 0; | |
1122 | } | |
1123 | ||
5fbe25c7 | 1124 | /* |
a36c61f9 KG |
1125 | * BFA driver interrupt functions |
1126 | */ | |
1127 | irqreturn_t | |
1128 | bfad_intx(int irq, void *dev_id) | |
1129 | { | |
1130 | struct bfad_s *bfad = dev_id; | |
1131 | struct list_head doneq; | |
1132 | unsigned long flags; | |
1133 | bfa_boolean_t rc; | |
1134 | ||
1135 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1136 | rc = bfa_intx(&bfad->bfa); | |
1137 | if (!rc) { | |
1138 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1139 | return IRQ_NONE; | |
1140 | } | |
1141 | ||
1142 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1143 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1144 | ||
1145 | if (!list_empty(&doneq)) { | |
1146 | bfa_comp_process(&bfad->bfa, &doneq); | |
1147 | ||
1148 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1149 | bfa_comp_free(&bfad->bfa, &doneq); | |
1150 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
a36c61f9 KG |
1151 | } |
1152 | ||
1153 | return IRQ_HANDLED; | |
1154 | ||
1155 | } | |
1156 | ||
1157 | static irqreturn_t | |
1158 | bfad_msix(int irq, void *dev_id) | |
1159 | { | |
1160 | struct bfad_msix_s *vec = dev_id; | |
1161 | struct bfad_s *bfad = vec->bfad; | |
1162 | struct list_head doneq; | |
1163 | unsigned long flags; | |
1164 | ||
1165 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1166 | ||
1167 | bfa_msix(&bfad->bfa, vec->msix.entry); | |
1168 | bfa_comp_deq(&bfad->bfa, &doneq); | |
1169 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1170 | ||
1171 | if (!list_empty(&doneq)) { | |
1172 | bfa_comp_process(&bfad->bfa, &doneq); | |
1173 | ||
1174 | spin_lock_irqsave(&bfad->bfad_lock, flags); | |
1175 | bfa_comp_free(&bfad->bfa, &doneq); | |
1176 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1177 | } | |
1178 | ||
1179 | return IRQ_HANDLED; | |
1180 | } | |
1181 | ||
5fbe25c7 | 1182 | /* |
a36c61f9 KG |
1183 | * Initialize the MSIX entry table. |
1184 | */ | |
1185 | static void | |
1186 | bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, | |
1187 | int mask, int max_bit) | |
1188 | { | |
1189 | int i; | |
1190 | int match = 0x00000001; | |
1191 | ||
1192 | for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { | |
1193 | if (mask & match) { | |
1194 | bfad->msix_tab[bfad->nvec].msix.entry = i; | |
1195 | bfad->msix_tab[bfad->nvec].bfad = bfad; | |
1196 | msix_entries[bfad->nvec].entry = i; | |
1197 | bfad->nvec++; | |
1198 | } | |
1199 | ||
1200 | match <<= 1; | |
1201 | } | |
1202 | ||
1203 | } | |
1204 | ||
1205 | int | |
1206 | bfad_install_msix_handler(struct bfad_s *bfad) | |
1207 | { | |
1208 | int i, error = 0; | |
1209 | ||
1210 | for (i = 0; i < bfad->nvec; i++) { | |
1211 | sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", | |
1212 | bfad->pci_name, | |
11189208 KG |
1213 | ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? |
1214 | msix_name_cb[i] : msix_name_ct[i])); | |
a36c61f9 KG |
1215 | |
1216 | error = request_irq(bfad->msix_tab[i].msix.vector, | |
1217 | (irq_handler_t) bfad_msix, 0, | |
1218 | bfad->msix_tab[i].name, &bfad->msix_tab[i]); | |
1219 | bfa_trc(bfad, i); | |
1220 | bfa_trc(bfad, bfad->msix_tab[i].msix.vector); | |
1221 | if (error) { | |
1222 | int j; | |
1223 | ||
1224 | for (j = 0; j < i; j++) | |
1225 | free_irq(bfad->msix_tab[j].msix.vector, | |
1226 | &bfad->msix_tab[j]); | |
1227 | ||
61e62e21 KG |
1228 | bfad->bfad_flags &= ~BFAD_MSIX_ON; |
1229 | pci_disable_msix(bfad->pcidev); | |
1230 | ||
a36c61f9 KG |
1231 | return 1; |
1232 | } | |
1233 | } | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
5fbe25c7 | 1238 | /* |
a36c61f9 KG |
1239 | * Setup MSIX based interrupt. |
1240 | */ | |
1241 | int | |
1242 | bfad_setup_intr(struct bfad_s *bfad) | |
1243 | { | |
1244 | int error = 0; | |
1245 | u32 mask = 0, i, num_bit = 0, max_bit = 0; | |
1246 | struct msix_entry msix_entries[MAX_MSIX_ENTRY]; | |
1247 | struct pci_dev *pdev = bfad->pcidev; | |
10a07379 | 1248 | u16 reg; |
a36c61f9 KG |
1249 | |
1250 | /* Call BFA to get the msix map for this PCI function. */ | |
1251 | bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); | |
1252 | ||
1253 | /* Set up the msix entry table */ | |
1254 | bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); | |
1255 | ||
11189208 KG |
1256 | if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || |
1257 | (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { | |
a36c61f9 KG |
1258 | |
1259 | error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); | |
1260 | if (error) { | |
1261 | /* | |
1262 | * Only error number of vector is available. | |
1263 | * We don't have a mechanism to map multiple | |
1264 | * interrupts into one vector, so even if we | |
1265 | * can try to request less vectors, we don't | |
1266 | * know how to associate interrupt events to | |
25985edc | 1267 | * vectors. Linux doesn't duplicate vectors |
a36c61f9 KG |
1268 | * in the MSIX table for this case. |
1269 | */ | |
1270 | ||
1271 | printk(KERN_WARNING "bfad%d: " | |
1272 | "pci_enable_msix failed (%d)," | |
1273 | " use line based.\n", bfad->inst_no, error); | |
1274 | ||
1275 | goto line_based; | |
1276 | } | |
1277 | ||
10a07379 KG |
1278 | /* Disable INTX in MSI-X mode */ |
1279 | pci_read_config_word(pdev, PCI_COMMAND, ®); | |
1280 | ||
1281 | if (!(reg & PCI_COMMAND_INTX_DISABLE)) | |
1282 | pci_write_config_word(pdev, PCI_COMMAND, | |
1283 | reg | PCI_COMMAND_INTX_DISABLE); | |
1284 | ||
a36c61f9 KG |
1285 | /* Save the vectors */ |
1286 | for (i = 0; i < bfad->nvec; i++) { | |
1287 | bfa_trc(bfad, msix_entries[i].vector); | |
1288 | bfad->msix_tab[i].msix.vector = msix_entries[i].vector; | |
1289 | } | |
1290 | ||
1291 | bfa_msix_init(&bfad->bfa, bfad->nvec); | |
1292 | ||
1293 | bfad->bfad_flags |= BFAD_MSIX_ON; | |
1294 | ||
1295 | return error; | |
1296 | } | |
1297 | ||
1298 | line_based: | |
1299 | error = 0; | |
1300 | if (request_irq | |
1301 | (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, | |
1302 | BFAD_DRIVER_NAME, bfad) != 0) { | |
1303 | /* Enable interrupt handler failed */ | |
1304 | return 1; | |
1305 | } | |
61e62e21 | 1306 | bfad->bfad_flags |= BFAD_INTX_ON; |
a36c61f9 KG |
1307 | |
1308 | return error; | |
1309 | } | |
1310 | ||
1311 | void | |
1312 | bfad_remove_intr(struct bfad_s *bfad) | |
1313 | { | |
1314 | int i; | |
1315 | ||
1316 | if (bfad->bfad_flags & BFAD_MSIX_ON) { | |
1317 | for (i = 0; i < bfad->nvec; i++) | |
1318 | free_irq(bfad->msix_tab[i].msix.vector, | |
1319 | &bfad->msix_tab[i]); | |
1320 | ||
1321 | pci_disable_msix(bfad->pcidev); | |
1322 | bfad->bfad_flags &= ~BFAD_MSIX_ON; | |
61e62e21 | 1323 | } else if (bfad->bfad_flags & BFAD_INTX_ON) { |
a36c61f9 KG |
1324 | free_irq(bfad->pcidev->irq, bfad); |
1325 | } | |
1326 | } | |
7725ccfd | 1327 | |
5fbe25c7 | 1328 | /* |
7725ccfd JH |
1329 | * PCI probe entry. |
1330 | */ | |
1331 | int | |
1332 | bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) | |
1333 | { | |
a36c61f9 | 1334 | struct bfad_s *bfad; |
7826f304 | 1335 | int error = -ENODEV, retval, i; |
7725ccfd | 1336 | |
a36c61f9 | 1337 | /* For single port cards - only claim function 0 */ |
8b070b4a | 1338 | if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && |
a36c61f9 | 1339 | (PCI_FUNC(pdev->devfn) != 0)) |
7725ccfd JH |
1340 | return -ENODEV; |
1341 | ||
7725ccfd JH |
1342 | bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); |
1343 | if (!bfad) { | |
1344 | error = -ENOMEM; | |
1345 | goto out; | |
1346 | } | |
1347 | ||
1348 | bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); | |
1349 | if (!bfad->trcmod) { | |
1350 | printk(KERN_WARNING "Error alloc trace buffer!\n"); | |
1351 | error = -ENOMEM; | |
1352 | goto out_alloc_trace_failure; | |
1353 | } | |
1354 | ||
a36c61f9 | 1355 | /* TRACE INIT */ |
7725ccfd JH |
1356 | bfa_trc_init(bfad->trcmod); |
1357 | bfa_trc(bfad, bfad_inst); | |
1358 | ||
7826f304 KG |
1359 | /* AEN INIT */ |
1360 | INIT_LIST_HEAD(&bfad->free_aen_q); | |
1361 | INIT_LIST_HEAD(&bfad->active_aen_q); | |
1362 | for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) | |
1363 | list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); | |
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); |
5b7db7af | 1391 | INIT_LIST_HEAD(&bfad->vport_list); |
e6714324 | 1392 | |
7c38c05b KG |
1393 | /* Setup the debugfs node for this bfad */ |
1394 | if (bfa_debugfs_enable) | |
1395 | bfad_debugfs_init(&bfad->pport); | |
1396 | ||
7725ccfd JH |
1397 | retval = bfad_drv_init(bfad); |
1398 | if (retval != BFA_STATUS_OK) | |
1399 | goto out_drv_init_failure; | |
7725ccfd | 1400 | |
a36c61f9 | 1401 | bfa_sm_send_event(bfad, BFAD_E_CREATE); |
7725ccfd | 1402 | |
a36c61f9 KG |
1403 | if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) |
1404 | goto out_bfad_sm_failure; | |
7725ccfd | 1405 | |
7725ccfd JH |
1406 | return 0; |
1407 | ||
a36c61f9 KG |
1408 | out_bfad_sm_failure: |
1409 | bfa_detach(&bfad->bfa); | |
1410 | bfad_hal_mem_release(bfad); | |
7725ccfd | 1411 | out_drv_init_failure: |
7c38c05b KG |
1412 | /* Remove the debugfs node for this bfad */ |
1413 | kfree(bfad->regdata); | |
1414 | bfad_debugfs_exit(&bfad->pport); | |
7725ccfd JH |
1415 | mutex_lock(&bfad_mutex); |
1416 | bfad_inst--; | |
1417 | list_del(&bfad->list_entry); | |
1418 | mutex_unlock(&bfad_mutex); | |
1419 | bfad_pci_uninit(pdev, bfad); | |
1420 | out_pci_init_failure: | |
1421 | kfree(bfad->trcmod); | |
1422 | out_alloc_trace_failure: | |
1423 | kfree(bfad); | |
1424 | out: | |
1425 | return error; | |
1426 | } | |
1427 | ||
5fbe25c7 | 1428 | /* |
7725ccfd JH |
1429 | * PCI remove entry. |
1430 | */ | |
1431 | void | |
1432 | bfad_pci_remove(struct pci_dev *pdev) | |
1433 | { | |
a36c61f9 KG |
1434 | struct bfad_s *bfad = pci_get_drvdata(pdev); |
1435 | unsigned long flags; | |
7725ccfd JH |
1436 | |
1437 | bfa_trc(bfad, bfad->inst_no); | |
1438 | ||
e6714324 | 1439 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
a36c61f9 | 1440 | if (bfad->bfad_tsk != NULL) { |
7725ccfd | 1441 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
a36c61f9 KG |
1442 | kthread_stop(bfad->bfad_tsk); |
1443 | } else { | |
e6714324 | 1444 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
e6714324 | 1445 | } |
7725ccfd | 1446 | |
a36c61f9 KG |
1447 | /* Send Event BFAD_E_STOP */ |
1448 | bfa_sm_send_event(bfad, BFAD_E_STOP); | |
e6714324 | 1449 | |
a36c61f9 | 1450 | /* Driver detach and dealloc mem */ |
7725ccfd JH |
1451 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
1452 | bfa_detach(&bfad->bfa); | |
1453 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | |
1454 | bfad_hal_mem_release(bfad); | |
7725ccfd | 1455 | |
7c38c05b KG |
1456 | /* Remove the debugfs node for this bfad */ |
1457 | kfree(bfad->regdata); | |
1458 | bfad_debugfs_exit(&bfad->pport); | |
1459 | ||
a36c61f9 | 1460 | /* Cleaning the BFAD instance */ |
7725ccfd JH |
1461 | mutex_lock(&bfad_mutex); |
1462 | bfad_inst--; | |
1463 | list_del(&bfad->list_entry); | |
1464 | mutex_unlock(&bfad_mutex); | |
1465 | bfad_pci_uninit(pdev, bfad); | |
1466 | ||
1467 | kfree(bfad->trcmod); | |
1468 | kfree(bfad); | |
1469 | } | |
1470 | ||
a36c61f9 | 1471 | struct pci_device_id bfad_id_table[] = { |
7725ccfd | 1472 | { |
a36c61f9 KG |
1473 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1474 | .device = BFA_PCI_DEVICE_ID_FC_8G2P, | |
1475 | .subvendor = PCI_ANY_ID, | |
1476 | .subdevice = PCI_ANY_ID, | |
1477 | }, | |
7725ccfd | 1478 | { |
a36c61f9 KG |
1479 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1480 | .device = BFA_PCI_DEVICE_ID_FC_8G1P, | |
1481 | .subvendor = PCI_ANY_ID, | |
1482 | .subdevice = PCI_ANY_ID, | |
1483 | }, | |
7725ccfd | 1484 | { |
a36c61f9 KG |
1485 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1486 | .device = BFA_PCI_DEVICE_ID_CT, | |
1487 | .subvendor = PCI_ANY_ID, | |
1488 | .subdevice = PCI_ANY_ID, | |
1489 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1490 | .class_mask = ~0, | |
1491 | }, | |
293f82d5 | 1492 | { |
a36c61f9 KG |
1493 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
1494 | .device = BFA_PCI_DEVICE_ID_CT_FC, | |
1495 | .subvendor = PCI_ANY_ID, | |
1496 | .subdevice = PCI_ANY_ID, | |
1497 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1498 | .class_mask = ~0, | |
293f82d5 | 1499 | }, |
11189208 KG |
1500 | { |
1501 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, | |
1502 | .device = BFA_PCI_DEVICE_ID_CT2, | |
1503 | .subvendor = PCI_ANY_ID, | |
1504 | .subdevice = PCI_ANY_ID, | |
1505 | .class = (PCI_CLASS_SERIAL_FIBER << 8), | |
1506 | .class_mask = ~0, | |
1507 | }, | |
7725ccfd JH |
1508 | |
1509 | {0, 0}, | |
1510 | }; | |
1511 | ||
1512 | MODULE_DEVICE_TABLE(pci, bfad_id_table); | |
1513 | ||
1514 | static struct pci_driver bfad_pci_driver = { | |
1515 | .name = BFAD_DRIVER_NAME, | |
1516 | .id_table = bfad_id_table, | |
1517 | .probe = bfad_pci_probe, | |
1518 | .remove = __devexit_p(bfad_pci_remove), | |
1519 | }; | |
1520 | ||
5fbe25c7 | 1521 | /* |
7725ccfd JH |
1522 | * Driver module init. |
1523 | */ | |
a36c61f9 | 1524 | static int __init |
7725ccfd JH |
1525 | bfad_init(void) |
1526 | { | |
a36c61f9 | 1527 | int error = 0; |
7725ccfd JH |
1528 | |
1529 | printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", | |
a36c61f9 | 1530 | BFAD_DRIVER_VERSION); |
7725ccfd JH |
1531 | |
1532 | if (num_sgpgs > 0) | |
1533 | num_sgpgs_parm = num_sgpgs; | |
1534 | ||
a36c61f9 | 1535 | error = bfad_im_module_init(); |
7725ccfd JH |
1536 | if (error) { |
1537 | error = -ENOMEM; | |
a36c61f9 | 1538 | printk(KERN_WARNING "bfad_im_module_init failure\n"); |
7725ccfd JH |
1539 | goto ext; |
1540 | } | |
1541 | ||
a36c61f9 KG |
1542 | if (strcmp(FCPI_NAME, " fcpim") == 0) |
1543 | supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; | |
7725ccfd | 1544 | |
f7f73812 | 1545 | bfa_auto_recover = ioc_auto_recover; |
7725ccfd | 1546 | bfa_fcs_rport_set_del_timeout(rport_del_timeout); |
7725ccfd | 1547 | |
a36c61f9 | 1548 | error = pci_register_driver(&bfad_pci_driver); |
7725ccfd | 1549 | if (error) { |
a36c61f9 | 1550 | printk(KERN_WARNING "pci_register_driver failure\n"); |
7725ccfd JH |
1551 | goto ext; |
1552 | } | |
1553 | ||
1554 | return 0; | |
1555 | ||
1556 | ext: | |
a36c61f9 | 1557 | bfad_im_module_exit(); |
7725ccfd JH |
1558 | return error; |
1559 | } | |
1560 | ||
5fbe25c7 | 1561 | /* |
7725ccfd JH |
1562 | * Driver module exit. |
1563 | */ | |
a36c61f9 | 1564 | static void __exit |
7725ccfd JH |
1565 | bfad_exit(void) |
1566 | { | |
1567 | pci_unregister_driver(&bfad_pci_driver); | |
a36c61f9 | 1568 | bfad_im_module_exit(); |
7725ccfd JH |
1569 | bfad_free_fwimg(); |
1570 | } | |
1571 | ||
a36c61f9 | 1572 | /* Firmware handling */ |
61338a0b | 1573 | static void |
a36c61f9 KG |
1574 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, |
1575 | u32 *bfi_image_size, char *fw_name) | |
1576 | { | |
1577 | const struct firmware *fw; | |
1578 | ||
1579 | if (request_firmware(&fw, fw_name, &pdev->dev)) { | |
1580 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); | |
61338a0b JH |
1581 | *bfi_image = NULL; |
1582 | goto out; | |
a36c61f9 KG |
1583 | } |
1584 | ||
1585 | *bfi_image = vmalloc(fw->size); | |
1586 | if (NULL == *bfi_image) { | |
1587 | printk(KERN_ALERT "Fail to allocate buffer for fw image " | |
1588 | "size=%x!\n", (u32) fw->size); | |
61338a0b | 1589 | goto out; |
a36c61f9 KG |
1590 | } |
1591 | ||
1592 | memcpy(*bfi_image, fw->data, fw->size); | |
1593 | *bfi_image_size = fw->size/sizeof(u32); | |
61338a0b JH |
1594 | out: |
1595 | release_firmware(fw); | |
a36c61f9 KG |
1596 | } |
1597 | ||
61338a0b JH |
1598 | static u32 * |
1599 | bfad_load_fwimg(struct pci_dev *pdev) | |
a36c61f9 | 1600 | { |
11189208 KG |
1601 | if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { |
1602 | if (bfi_image_ct2_size == 0) | |
1603 | bfad_read_firmware(pdev, &bfi_image_ct2, | |
1604 | &bfi_image_ct2_size, BFAD_FW_FILE_CT2); | |
1605 | return bfi_image_ct2; | |
1606 | } else if (bfa_asic_id_ct(pdev->device)) { | |
1607 | if (bfi_image_ct_size == 0) | |
1608 | bfad_read_firmware(pdev, &bfi_image_ct, | |
1609 | &bfi_image_ct_size, BFAD_FW_FILE_CT); | |
1610 | return bfi_image_ct; | |
a36c61f9 | 1611 | } else { |
11189208 KG |
1612 | if (bfi_image_cb_size == 0) |
1613 | bfad_read_firmware(pdev, &bfi_image_cb, | |
1614 | &bfi_image_cb_size, BFAD_FW_FILE_CB); | |
1615 | return bfi_image_cb; | |
a36c61f9 KG |
1616 | } |
1617 | } | |
7725ccfd | 1618 | |
61338a0b JH |
1619 | static void |
1620 | bfad_free_fwimg(void) | |
1621 | { | |
11189208 KG |
1622 | if (bfi_image_ct2_size && bfi_image_ct2) |
1623 | vfree(bfi_image_ct2); | |
1624 | if (bfi_image_ct_size && bfi_image_ct) | |
1625 | vfree(bfi_image_ct); | |
1626 | if (bfi_image_cb_size && bfi_image_cb) | |
1627 | vfree(bfi_image_cb); | |
61338a0b JH |
1628 | } |
1629 | ||
7725ccfd JH |
1630 | module_init(bfad_init); |
1631 | module_exit(bfad_exit); | |
1632 | MODULE_LICENSE("GPL"); | |
1633 | MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); | |
1634 | MODULE_AUTHOR("Brocade Communications Systems, Inc."); | |
1635 | MODULE_VERSION(BFAD_DRIVER_VERSION); |