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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * QLOGIC LINUX SOFTWARE | |
3 | * | |
4 | * QLogic ISP2x00 device driver for Linux 2.6.x | |
ae91193c | 5 | * Copyright (C) 2003-2005 QLogic Corporation |
1da177e4 LT |
6 | * (www.qlogic.com) |
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 as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | */ | |
19 | #include "qla_def.h" | |
20 | ||
21 | #include <linux/moduleparam.h> | |
22 | #include <linux/vmalloc.h> | |
23 | #include <linux/smp_lock.h> | |
24 | #include <linux/delay.h> | |
25 | ||
26 | #include <scsi/scsi_tcq.h> | |
27 | #include <scsi/scsicam.h> | |
28 | #include <scsi/scsi_transport.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | /* | |
32 | * Driver version | |
33 | */ | |
34 | char qla2x00_version_str[40]; | |
35 | ||
36 | /* | |
37 | * SRB allocation cache | |
38 | */ | |
354d6b21 | 39 | static kmem_cache_t *srb_cachep; |
1da177e4 LT |
40 | |
41 | /* | |
42 | * Ioctl related information. | |
43 | */ | |
354d6b21 | 44 | static int num_hosts; |
1da177e4 LT |
45 | |
46 | int ql2xlogintimeout = 20; | |
47 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); | |
48 | MODULE_PARM_DESC(ql2xlogintimeout, | |
49 | "Login timeout value in seconds."); | |
50 | ||
8482e118 | 51 | int qlport_down_retry = 30; |
1da177e4 LT |
52 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
53 | MODULE_PARM_DESC(qlport_down_retry, | |
54 | "Maximum number of command retries to a port that returns" | |
55 | "a PORT-DOWN status."); | |
56 | ||
1da177e4 LT |
57 | int ql2xplogiabsentdevice; |
58 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); | |
59 | MODULE_PARM_DESC(ql2xplogiabsentdevice, | |
60 | "Option to enable PLOGI to devices that are not present after " | |
61 | "a Fabric scan. This is needed for several broken switches." | |
62 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); | |
63 | ||
64 | int ql2xenablezio = 0; | |
65 | module_param(ql2xenablezio, int, S_IRUGO|S_IRUSR); | |
66 | MODULE_PARM_DESC(ql2xenablezio, | |
fa2a1ce5 | 67 | "Option to enable ZIO:If 1 then enable it otherwise" |
1da177e4 LT |
68 | " use the default set in the NVRAM." |
69 | " Default is 0 : disabled"); | |
70 | ||
71 | int ql2xintrdelaytimer = 10; | |
72 | module_param(ql2xintrdelaytimer, int, S_IRUGO|S_IRUSR); | |
73 | MODULE_PARM_DESC(ql2xintrdelaytimer, | |
74 | "ZIO: Waiting time for Firmware before it generates an " | |
75 | "interrupt to the host to notify completion of request."); | |
76 | ||
1da177e4 LT |
77 | int ql2xloginretrycount = 0; |
78 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); | |
79 | MODULE_PARM_DESC(ql2xloginretrycount, | |
80 | "Specify an alternate value for the NVRAM login retry count."); | |
81 | ||
fca29703 AV |
82 | int ql2xfwloadbin; |
83 | module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR); | |
84 | MODULE_PARM_DESC(ql2xfwloadbin, | |
85 | "Load ISP2xxx firmware image via hotplug."); | |
86 | ||
1da177e4 LT |
87 | static void qla2x00_free_device(scsi_qla_host_t *); |
88 | ||
89 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
90 | ||
cca5335c AV |
91 | int ql2xfdmienable; |
92 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); | |
93 | MODULE_PARM_DESC(ql2xfdmienable, | |
94 | "Enables FDMI registratons " | |
95 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
96 | ||
1da177e4 | 97 | /* |
fa2a1ce5 | 98 | * SCSI host template entry points |
1da177e4 LT |
99 | */ |
100 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb AV |
101 | static int qla2xxx_slave_alloc(struct scsi_device *); |
102 | static void qla2xxx_slave_destroy(struct scsi_device *); | |
1da177e4 LT |
103 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
104 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
105 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
106 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
107 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
108 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
109 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | |
110 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
111 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); | |
112 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); | |
113 | ||
ce7e4af7 AV |
114 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
115 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
116 | ||
1da177e4 LT |
117 | static struct scsi_host_template qla2x00_driver_template = { |
118 | .module = THIS_MODULE, | |
119 | .name = "qla2xxx", | |
1da177e4 LT |
120 | .queuecommand = qla2x00_queuecommand, |
121 | ||
122 | .eh_abort_handler = qla2xxx_eh_abort, | |
123 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
124 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
125 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
126 | ||
127 | .slave_configure = qla2xxx_slave_configure, | |
128 | ||
f4f051eb AV |
129 | .slave_alloc = qla2xxx_slave_alloc, |
130 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
131 | .change_queue_depth = qla2x00_change_queue_depth, |
132 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
133 | .this_id = -1, |
134 | .cmd_per_lun = 3, | |
135 | .use_clustering = ENABLE_CLUSTERING, | |
136 | .sg_tablesize = SG_ALL, | |
137 | ||
138 | /* | |
139 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
140 | * which equates to 0x800000 sectors. | |
141 | */ | |
142 | .max_sectors = 0xFFFF, | |
143 | }; | |
144 | ||
fca29703 AV |
145 | static struct scsi_host_template qla24xx_driver_template = { |
146 | .module = THIS_MODULE, | |
147 | .name = "qla2xxx", | |
148 | .queuecommand = qla24xx_queuecommand, | |
149 | ||
150 | .eh_abort_handler = qla2xxx_eh_abort, | |
151 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
152 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
153 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
154 | ||
155 | .slave_configure = qla2xxx_slave_configure, | |
156 | ||
157 | .slave_alloc = qla2xxx_slave_alloc, | |
158 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
159 | .change_queue_depth = qla2x00_change_queue_depth, |
160 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
161 | .this_id = -1, |
162 | .cmd_per_lun = 3, | |
163 | .use_clustering = ENABLE_CLUSTERING, | |
164 | .sg_tablesize = SG_ALL, | |
165 | ||
166 | .max_sectors = 0xFFFF, | |
167 | }; | |
168 | ||
1da177e4 LT |
169 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
170 | ||
1da177e4 LT |
171 | /* TODO Convert to inlines |
172 | * | |
173 | * Timer routines | |
174 | */ | |
175 | #define WATCH_INTERVAL 1 /* number of seconds */ | |
176 | ||
177 | static void qla2x00_timer(scsi_qla_host_t *); | |
178 | ||
179 | static __inline__ void qla2x00_start_timer(scsi_qla_host_t *, | |
180 | void *, unsigned long); | |
181 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
182 | static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); | |
183 | ||
184 | static inline void | |
185 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) | |
186 | { | |
187 | init_timer(&ha->timer); | |
188 | ha->timer.expires = jiffies + interval * HZ; | |
189 | ha->timer.data = (unsigned long)ha; | |
190 | ha->timer.function = (void (*)(unsigned long))func; | |
191 | add_timer(&ha->timer); | |
192 | ha->timer_active = 1; | |
193 | } | |
194 | ||
195 | static inline void | |
196 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
197 | { | |
198 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
199 | } | |
200 | ||
201 | static __inline__ void | |
202 | qla2x00_stop_timer(scsi_qla_host_t *ha) | |
203 | { | |
204 | del_timer_sync(&ha->timer); | |
205 | ha->timer_active = 0; | |
206 | } | |
207 | ||
1da177e4 LT |
208 | static int qla2x00_do_dpc(void *data); |
209 | ||
210 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
211 | ||
212 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); | |
213 | static void qla2x00_mem_free(scsi_qla_host_t *ha); | |
214 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); | |
215 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb AV |
216 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
217 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 218 | |
1da177e4 LT |
219 | /* -------------------------------------------------------------------------- */ |
220 | ||
1da177e4 | 221 | static char * |
abbd8870 | 222 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
223 | { |
224 | static char *pci_bus_modes[] = { | |
225 | "33", "66", "100", "133", | |
226 | }; | |
227 | uint16_t pci_bus; | |
228 | ||
229 | strcpy(str, "PCI"); | |
230 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
231 | if (pci_bus) { | |
232 | strcat(str, "-X ("); | |
233 | strcat(str, pci_bus_modes[pci_bus]); | |
234 | } else { | |
235 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
236 | strcat(str, " ("); | |
237 | strcat(str, pci_bus_modes[pci_bus]); | |
238 | } | |
239 | strcat(str, " MHz)"); | |
240 | ||
241 | return (str); | |
242 | } | |
243 | ||
fca29703 AV |
244 | static char * |
245 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
246 | { | |
247 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
248 | uint32_t pci_bus; | |
249 | int pcie_reg; | |
250 | ||
251 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
252 | if (pcie_reg) { | |
253 | char lwstr[6]; | |
254 | uint16_t pcie_lstat, lspeed, lwidth; | |
255 | ||
256 | pcie_reg += 0x12; | |
257 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
258 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
259 | lwidth = (pcie_lstat & | |
260 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
261 | ||
262 | strcpy(str, "PCIe ("); | |
263 | if (lspeed == 1) | |
264 | strcat(str, "2.5Gb/s "); | |
265 | else | |
266 | strcat(str, "<unknown> "); | |
267 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
268 | strcat(str, lwstr); | |
269 | ||
270 | return str; | |
271 | } | |
272 | ||
273 | strcpy(str, "PCI"); | |
274 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
275 | if (pci_bus == 0 || pci_bus == 8) { | |
276 | strcat(str, " ("); | |
277 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
278 | } else { | |
279 | strcat(str, "-X "); | |
280 | if (pci_bus & BIT_2) | |
281 | strcat(str, "Mode 2"); | |
282 | else | |
283 | strcat(str, "Mode 1"); | |
284 | strcat(str, " ("); | |
285 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
286 | } | |
287 | strcat(str, " MHz)"); | |
288 | ||
289 | return str; | |
290 | } | |
291 | ||
1da177e4 | 292 | char * |
abbd8870 | 293 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
294 | { |
295 | char un_str[10]; | |
fa2a1ce5 | 296 | |
1da177e4 LT |
297 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
298 | ha->fw_minor_version, | |
299 | ha->fw_subminor_version); | |
300 | ||
301 | if (ha->fw_attributes & BIT_9) { | |
302 | strcat(str, "FLX"); | |
303 | return (str); | |
304 | } | |
305 | ||
306 | switch (ha->fw_attributes & 0xFF) { | |
307 | case 0x7: | |
308 | strcat(str, "EF"); | |
309 | break; | |
310 | case 0x17: | |
311 | strcat(str, "TP"); | |
312 | break; | |
313 | case 0x37: | |
314 | strcat(str, "IP"); | |
315 | break; | |
316 | case 0x77: | |
317 | strcat(str, "VI"); | |
318 | break; | |
319 | default: | |
320 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
321 | strcat(str, un_str); | |
322 | break; | |
323 | } | |
324 | if (ha->fw_attributes & 0x100) | |
325 | strcat(str, "X"); | |
326 | ||
327 | return (str); | |
328 | } | |
329 | ||
fca29703 AV |
330 | char * |
331 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) | |
332 | { | |
f0883ac6 AV |
333 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
334 | ha->fw_minor_version, | |
335 | ha->fw_subminor_version); | |
336 | ||
fca29703 AV |
337 | if (ha->fw_attributes & BIT_0) |
338 | strcat(str, "[Class 2] "); | |
339 | if (ha->fw_attributes & BIT_1) | |
340 | strcat(str, "[IP] "); | |
341 | if (ha->fw_attributes & BIT_2) | |
342 | strcat(str, "[Multi-ID] "); | |
343 | if (ha->fw_attributes & BIT_13) | |
344 | strcat(str, "[Experimental]"); | |
345 | return str; | |
fca29703 AV |
346 | } |
347 | ||
348 | static inline srb_t * | |
349 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
350 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
351 | { | |
352 | srb_t *sp; | |
353 | ||
354 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
355 | if (!sp) | |
356 | return sp; | |
357 | ||
358 | atomic_set(&sp->ref_count, 1); | |
359 | sp->ha = ha; | |
360 | sp->fcport = fcport; | |
361 | sp->cmd = cmd; | |
362 | sp->flags = 0; | |
363 | CMD_SP(cmd) = (void *)sp; | |
364 | cmd->scsi_done = done; | |
365 | ||
366 | return sp; | |
367 | } | |
368 | ||
1da177e4 | 369 | static int |
f4f051eb | 370 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 371 | { |
f4f051eb | 372 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 373 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
374 | srb_t *sp; |
375 | int rval; | |
1da177e4 | 376 | |
bdf79621 | 377 | if (!fcport) { |
f4f051eb AV |
378 | cmd->result = DID_NO_CONNECT << 16; |
379 | goto qc_fail_command; | |
380 | } | |
1da177e4 | 381 | |
f4f051eb AV |
382 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
383 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
384 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
385 | cmd->result = DID_NO_CONNECT << 16; | |
386 | goto qc_fail_command; | |
387 | } | |
388 | goto qc_host_busy; | |
389 | } | |
1da177e4 LT |
390 | |
391 | spin_unlock_irq(ha->host->host_lock); | |
392 | ||
fca29703 AV |
393 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
394 | if (!sp) | |
f4f051eb | 395 | goto qc_host_busy_lock; |
1da177e4 | 396 | |
f4f051eb AV |
397 | rval = qla2x00_start_scsi(sp); |
398 | if (rval != QLA_SUCCESS) | |
399 | goto qc_host_busy_free_sp; | |
1da177e4 | 400 | |
f4f051eb AV |
401 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
402 | if (ha->flags.online && ha->flags.process_response_queue && | |
403 | ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
404 | unsigned long flags; | |
1da177e4 | 405 | |
f4f051eb AV |
406 | spin_lock_irqsave(&ha->hardware_lock, flags); |
407 | qla2x00_process_response_queue(ha); | |
408 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1da177e4 LT |
409 | } |
410 | ||
f4f051eb | 411 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 412 | |
f4f051eb | 413 | return 0; |
1da177e4 | 414 | |
f4f051eb AV |
415 | qc_host_busy_free_sp: |
416 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 417 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 418 | |
f4f051eb AV |
419 | qc_host_busy_lock: |
420 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 421 | |
f4f051eb AV |
422 | qc_host_busy: |
423 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 424 | |
f4f051eb AV |
425 | qc_fail_command: |
426 | done(cmd); | |
1da177e4 | 427 | |
f4f051eb | 428 | return 0; |
1da177e4 LT |
429 | } |
430 | ||
fca29703 AV |
431 | |
432 | static int | |
433 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
434 | { | |
435 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
436 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
437 | srb_t *sp; | |
438 | int rval; | |
439 | ||
440 | if (!fcport) { | |
441 | cmd->result = DID_NO_CONNECT << 16; | |
442 | goto qc24_fail_command; | |
443 | } | |
444 | ||
445 | if (atomic_read(&fcport->state) != FCS_ONLINE) { | |
446 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
447 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
448 | cmd->result = DID_NO_CONNECT << 16; | |
449 | goto qc24_fail_command; | |
450 | } | |
451 | goto qc24_host_busy; | |
452 | } | |
453 | ||
454 | spin_unlock_irq(ha->host->host_lock); | |
455 | ||
456 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
457 | if (!sp) | |
458 | goto qc24_host_busy_lock; | |
459 | ||
460 | rval = qla24xx_start_scsi(sp); | |
461 | if (rval != QLA_SUCCESS) | |
462 | goto qc24_host_busy_free_sp; | |
463 | ||
464 | spin_lock_irq(ha->host->host_lock); | |
465 | ||
466 | return 0; | |
467 | ||
468 | qc24_host_busy_free_sp: | |
469 | qla2x00_sp_free_dma(ha, sp); | |
470 | mempool_free(sp, ha->srb_mempool); | |
471 | ||
472 | qc24_host_busy_lock: | |
473 | spin_lock_irq(ha->host->host_lock); | |
474 | ||
475 | qc24_host_busy: | |
476 | return SCSI_MLQUEUE_HOST_BUSY; | |
477 | ||
478 | qc24_fail_command: | |
479 | done(cmd); | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
484 | ||
1da177e4 LT |
485 | /* |
486 | * qla2x00_eh_wait_on_command | |
487 | * Waits for the command to be returned by the Firmware for some | |
488 | * max time. | |
489 | * | |
490 | * Input: | |
491 | * ha = actual ha whose done queue will contain the command | |
492 | * returned by firmware. | |
493 | * cmd = Scsi Command to wait on. | |
494 | * flag = Abort/Reset(Bus or Device Reset) | |
495 | * | |
496 | * Return: | |
497 | * Not Found : 0 | |
498 | * Found : 1 | |
499 | */ | |
500 | static int | |
501 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
502 | { | |
503 | #define ABORT_POLLING_PERIOD HZ | |
f4f051eb AV |
504 | #define ABORT_WAIT_ITER ((10 * HZ) / (ABORT_POLLING_PERIOD)) |
505 | unsigned long wait_iter = ABORT_WAIT_ITER; | |
506 | int ret = QLA_SUCCESS; | |
1da177e4 | 507 | |
f4f051eb | 508 | while (CMD_SP(cmd)) { |
1da177e4 LT |
509 | set_current_state(TASK_UNINTERRUPTIBLE); |
510 | schedule_timeout(ABORT_POLLING_PERIOD); | |
511 | ||
f4f051eb AV |
512 | if (--wait_iter) |
513 | break; | |
514 | } | |
515 | if (CMD_SP(cmd)) | |
516 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 517 | |
f4f051eb | 518 | return ret; |
1da177e4 LT |
519 | } |
520 | ||
521 | /* | |
522 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 523 | * Wait till the HBA is online after going through |
1da177e4 LT |
524 | * <= MAX_RETRIES_OF_ISP_ABORT or |
525 | * finally HBA is disabled ie marked offline | |
526 | * | |
527 | * Input: | |
528 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
529 | * |
530 | * Note: | |
1da177e4 LT |
531 | * Does context switching-Release SPIN_LOCK |
532 | * (if any) before calling this routine. | |
533 | * | |
534 | * Return: | |
535 | * Success (Adapter is online) : 0 | |
536 | * Failed (Adapter is offline/disabled) : 1 | |
537 | */ | |
fa2a1ce5 | 538 | static int |
1da177e4 LT |
539 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
540 | { | |
fca29703 AV |
541 | int return_status; |
542 | unsigned long wait_online; | |
1da177e4 | 543 | |
fa2a1ce5 | 544 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
545 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
546 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
547 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
548 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
549 | ||
550 | msleep(1000); | |
551 | } | |
fa2a1ce5 AV |
552 | if (ha->flags.online) |
553 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
554 | else |
555 | return_status = QLA_FUNCTION_FAILED; | |
556 | ||
557 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
558 | ||
559 | return (return_status); | |
560 | } | |
561 | ||
562 | /* | |
563 | * qla2x00_wait_for_loop_ready | |
564 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 565 | * to be in LOOP_READY state. |
1da177e4 LT |
566 | * Input: |
567 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
568 | * |
569 | * Note: | |
1da177e4 LT |
570 | * Does context switching-Release SPIN_LOCK |
571 | * (if any) before calling this routine. | |
fa2a1ce5 | 572 | * |
1da177e4 LT |
573 | * |
574 | * Return: | |
575 | * Success (LOOP_READY) : 0 | |
576 | * Failed (LOOP_NOT_READY) : 1 | |
577 | */ | |
fa2a1ce5 | 578 | static inline int |
1da177e4 LT |
579 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
580 | { | |
581 | int return_status = QLA_SUCCESS; | |
582 | unsigned long loop_timeout ; | |
583 | ||
584 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 585 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
586 | |
587 | while ((!atomic_read(&ha->loop_down_timer) && | |
588 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 LT |
589 | atomic_read(&ha->loop_state) != LOOP_READY) { |
590 | msleep(1000); | |
591 | if (time_after_eq(jiffies, loop_timeout)) { | |
592 | return_status = QLA_FUNCTION_FAILED; | |
593 | break; | |
594 | } | |
595 | } | |
fa2a1ce5 | 596 | return (return_status); |
1da177e4 LT |
597 | } |
598 | ||
599 | /************************************************************************** | |
600 | * qla2xxx_eh_abort | |
601 | * | |
602 | * Description: | |
603 | * The abort function will abort the specified command. | |
604 | * | |
605 | * Input: | |
606 | * cmd = Linux SCSI command packet to be aborted. | |
607 | * | |
608 | * Returns: | |
609 | * Either SUCCESS or FAILED. | |
610 | * | |
611 | * Note: | |
612 | **************************************************************************/ | |
613 | int | |
614 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | |
615 | { | |
f4f051eb AV |
616 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
617 | srb_t *sp; | |
618 | int ret, i; | |
619 | unsigned int id, lun; | |
620 | unsigned long serial; | |
18e144d3 | 621 | unsigned long flags; |
1da177e4 | 622 | |
f4f051eb AV |
623 | if (!CMD_SP(cmd)) |
624 | return FAILED; | |
1da177e4 | 625 | |
f4f051eb | 626 | ret = FAILED; |
1da177e4 | 627 | |
f4f051eb AV |
628 | id = cmd->device->id; |
629 | lun = cmd->device->lun; | |
630 | serial = cmd->serial_number; | |
1da177e4 | 631 | |
f4f051eb | 632 | /* Check active list for command command. */ |
18e144d3 | 633 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb AV |
634 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
635 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 636 | |
f4f051eb AV |
637 | if (sp == NULL) |
638 | continue; | |
1da177e4 | 639 | |
f4f051eb AV |
640 | if (sp->cmd != cmd) |
641 | continue; | |
1da177e4 | 642 | |
f4f051eb AV |
643 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld " |
644 | "sp->state=%x\n", __func__, ha->host_no, sp, serial, | |
645 | sp->state)); | |
646 | DEBUG3(qla2x00_print_scsi_cmd(cmd);) | |
1da177e4 | 647 | |
18e144d3 | 648 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 649 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
650 | DEBUG2(printk("%s(%ld): abort_command " |
651 | "mbx failed.\n", __func__, ha->host_no)); | |
652 | } else { | |
653 | DEBUG3(printk("%s(%ld): abort_command " | |
654 | "mbx success.\n", __func__, ha->host_no)); | |
655 | ret = SUCCESS; | |
656 | } | |
18e144d3 | 657 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 658 | |
f4f051eb AV |
659 | break; |
660 | } | |
18e144d3 | 661 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 662 | |
f4f051eb AV |
663 | /* Wait for the command to be returned. */ |
664 | if (ret == SUCCESS) { | |
f4f051eb | 665 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 666 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
667 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
668 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
669 | } | |
1da177e4 | 670 | } |
1da177e4 | 671 | |
fa2a1ce5 | 672 | qla_printk(KERN_INFO, ha, |
f4f051eb AV |
673 | "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, |
674 | id, lun, serial, ret); | |
1da177e4 | 675 | |
f4f051eb AV |
676 | return ret; |
677 | } | |
1da177e4 | 678 | |
f4f051eb AV |
679 | /************************************************************************** |
680 | * qla2x00_eh_wait_for_pending_target_commands | |
681 | * | |
682 | * Description: | |
683 | * Waits for all the commands to come back from the specified target. | |
684 | * | |
685 | * Input: | |
686 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 687 | * t - target |
f4f051eb AV |
688 | * Returns: |
689 | * Either SUCCESS or FAILED. | |
690 | * | |
691 | * Note: | |
692 | **************************************************************************/ | |
693 | static int | |
694 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
695 | { | |
696 | int cnt; | |
697 | int status; | |
698 | srb_t *sp; | |
699 | struct scsi_cmnd *cmd; | |
18e144d3 | 700 | unsigned long flags; |
1da177e4 | 701 | |
f4f051eb | 702 | status = 0; |
1da177e4 LT |
703 | |
704 | /* | |
f4f051eb AV |
705 | * Waiting for all commands for the designated target in the active |
706 | * array | |
1da177e4 LT |
707 | */ |
708 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 709 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
710 | sp = ha->outstanding_cmds[cnt]; |
711 | if (sp) { | |
712 | cmd = sp->cmd; | |
18e144d3 | 713 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
714 | if (cmd->device->id == t) { |
715 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
716 | status = 1; | |
717 | break; | |
718 | } | |
719 | } | |
f4f051eb | 720 | } else { |
18e144d3 | 721 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
722 | } |
723 | } | |
724 | return (status); | |
725 | } | |
726 | ||
727 | ||
728 | /************************************************************************** | |
729 | * qla2xxx_eh_device_reset | |
730 | * | |
731 | * Description: | |
732 | * The device reset function will reset the target and abort any | |
733 | * executing commands. | |
734 | * | |
735 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 736 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
737 | * non-null. |
738 | * | |
739 | * Input: | |
740 | * cmd = Linux SCSI command packet of the command that cause the | |
741 | * bus device reset. | |
742 | * | |
743 | * Returns: | |
744 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
745 | * | |
746 | **************************************************************************/ | |
747 | int | |
748 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
749 | { | |
f4f051eb | 750 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 751 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
752 | srb_t *sp; |
753 | int ret; | |
754 | unsigned int id, lun; | |
755 | unsigned long serial; | |
1da177e4 | 756 | |
f4f051eb | 757 | ret = FAILED; |
1da177e4 | 758 | |
f4f051eb AV |
759 | id = cmd->device->id; |
760 | lun = cmd->device->lun; | |
761 | serial = cmd->serial_number; | |
1da177e4 | 762 | |
f4f051eb | 763 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 764 | if (!sp || !fcport) |
f4f051eb | 765 | return ret; |
1da177e4 LT |
766 | |
767 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 768 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 769 | |
94d0e7b8 | 770 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 771 | goto eh_dev_reset_done; |
1da177e4 LT |
772 | |
773 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
774 | if (qla2x00_device_reset(ha, fcport) == 0) |
775 | ret = SUCCESS; | |
1da177e4 LT |
776 | |
777 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
778 | if (ret == SUCCESS) { |
779 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 780 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
f4f051eb | 781 | qla2x00_mark_device_lost(ha, fcport); |
1da177e4 LT |
782 | } |
783 | } | |
784 | #endif | |
785 | } else { | |
786 | DEBUG2(printk(KERN_INFO | |
787 | "%s failed: loop not ready\n",__func__);) | |
788 | } | |
789 | ||
f4f051eb | 790 | if (ret == FAILED) { |
1da177e4 LT |
791 | DEBUG3(printk("%s(%ld): device reset failed\n", |
792 | __func__, ha->host_no)); | |
793 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
794 | __func__); | |
795 | ||
796 | goto eh_dev_reset_done; | |
797 | } | |
798 | ||
799 | /* | |
800 | * If we are coming down the EH path, wait for all commands to | |
801 | * complete for the device. | |
802 | */ | |
803 | if (cmd->device->host->eh_active) { | |
f4f051eb AV |
804 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) |
805 | ret = FAILED; | |
1da177e4 | 806 | |
f4f051eb | 807 | if (ret == FAILED) { |
1da177e4 LT |
808 | DEBUG3(printk("%s(%ld): failed while waiting for " |
809 | "commands\n", __func__, ha->host_no)); | |
810 | qla_printk(KERN_INFO, ha, | |
811 | "%s: failed while waiting for commands\n", | |
fa2a1ce5 | 812 | __func__); |
1da177e4 LT |
813 | |
814 | goto eh_dev_reset_done; | |
815 | } | |
816 | } | |
817 | ||
818 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 819 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, id, lun); |
1da177e4 LT |
820 | |
821 | eh_dev_reset_done: | |
f4f051eb | 822 | return ret; |
1da177e4 LT |
823 | } |
824 | ||
825 | /************************************************************************** | |
826 | * qla2x00_eh_wait_for_pending_commands | |
827 | * | |
828 | * Description: | |
829 | * Waits for all the commands to come back from the specified host. | |
830 | * | |
831 | * Input: | |
832 | * ha - pointer to scsi_qla_host structure. | |
833 | * | |
834 | * Returns: | |
835 | * 1 : SUCCESS | |
836 | * 0 : FAILED | |
837 | * | |
838 | * Note: | |
839 | **************************************************************************/ | |
840 | static int | |
841 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
842 | { | |
843 | int cnt; | |
844 | int status; | |
845 | srb_t *sp; | |
846 | struct scsi_cmnd *cmd; | |
18e144d3 | 847 | unsigned long flags; |
1da177e4 LT |
848 | |
849 | status = 1; | |
850 | ||
851 | /* | |
852 | * Waiting for all commands for the designated target in the active | |
853 | * array | |
854 | */ | |
855 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 856 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
857 | sp = ha->outstanding_cmds[cnt]; |
858 | if (sp) { | |
859 | cmd = sp->cmd; | |
18e144d3 | 860 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
861 | status = qla2x00_eh_wait_on_command(ha, cmd); |
862 | if (status == 0) | |
863 | break; | |
864 | } | |
865 | else { | |
18e144d3 | 866 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
867 | } |
868 | } | |
869 | return (status); | |
870 | } | |
871 | ||
872 | ||
873 | /************************************************************************** | |
874 | * qla2xxx_eh_bus_reset | |
875 | * | |
876 | * Description: | |
877 | * The bus reset function will reset the bus and abort any executing | |
878 | * commands. | |
879 | * | |
880 | * Input: | |
881 | * cmd = Linux SCSI command packet of the command that cause the | |
882 | * bus reset. | |
883 | * | |
884 | * Returns: | |
885 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
886 | * | |
887 | **************************************************************************/ | |
888 | int | |
889 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | |
890 | { | |
f4f051eb | 891 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 892 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
1da177e4 | 893 | srb_t *sp; |
f4f051eb AV |
894 | int ret; |
895 | unsigned int id, lun; | |
896 | unsigned long serial; | |
897 | ||
898 | ret = FAILED; | |
899 | ||
900 | id = cmd->device->id; | |
901 | lun = cmd->device->lun; | |
902 | serial = cmd->serial_number; | |
1da177e4 | 903 | |
1da177e4 | 904 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 905 | if (!sp || !fcport) |
f4f051eb | 906 | return ret; |
1da177e4 LT |
907 | |
908 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 909 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 910 | |
1da177e4 LT |
911 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
912 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 913 | goto eh_bus_reset_done; |
1da177e4 LT |
914 | } |
915 | ||
916 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
917 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
918 | ret = SUCCESS; | |
1da177e4 | 919 | } |
f4f051eb AV |
920 | if (ret == FAILED) |
921 | goto eh_bus_reset_done; | |
1da177e4 LT |
922 | |
923 | /* Waiting for our command in done_queue to be returned to OS.*/ | |
924 | if (cmd->device->host->eh_active) | |
925 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
f4f051eb | 926 | ret = FAILED; |
1da177e4 | 927 | |
f4f051eb | 928 | eh_bus_reset_done: |
1da177e4 | 929 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 930 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 931 | |
f4f051eb | 932 | return ret; |
1da177e4 LT |
933 | } |
934 | ||
935 | /************************************************************************** | |
936 | * qla2xxx_eh_host_reset | |
937 | * | |
938 | * Description: | |
939 | * The reset function will reset the Adapter. | |
940 | * | |
941 | * Input: | |
942 | * cmd = Linux SCSI command packet of the command that cause the | |
943 | * adapter reset. | |
944 | * | |
945 | * Returns: | |
946 | * Either SUCCESS or FAILED. | |
947 | * | |
948 | * Note: | |
949 | **************************************************************************/ | |
950 | int | |
951 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
952 | { | |
f4f051eb | 953 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 954 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
955 | srb_t *sp; |
956 | int ret; | |
957 | unsigned int id, lun; | |
958 | unsigned long serial; | |
1da177e4 | 959 | |
f4f051eb AV |
960 | ret = FAILED; |
961 | ||
962 | id = cmd->device->id; | |
963 | lun = cmd->device->lun; | |
964 | serial = cmd->serial_number; | |
965 | ||
966 | sp = (srb_t *) CMD_SP(cmd); | |
bdf79621 | 967 | if (!sp || !fcport) |
f4f051eb | 968 | return ret; |
1da177e4 | 969 | |
1da177e4 | 970 | qla_printk(KERN_INFO, ha, |
f4f051eb | 971 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 972 | |
1da177e4 | 973 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 974 | goto eh_host_reset_lock; |
1da177e4 LT |
975 | |
976 | /* | |
977 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 978 | * loop_resync,so wait a while for it to |
1da177e4 LT |
979 | * be completed and then issue big hammer.Otherwise |
980 | * it may cause I/O failure as big hammer marks the | |
981 | * devices as lost kicking of the port_down_timer | |
982 | * while dpc is stuck for the mailbox to complete. | |
983 | */ | |
1da177e4 LT |
984 | qla2x00_wait_for_loop_ready(ha); |
985 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
986 | if (qla2x00_abort_isp(ha)) { | |
987 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
988 | /* failed. schedule dpc to try */ | |
989 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
990 | ||
991 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 992 | goto eh_host_reset_lock; |
fa2a1ce5 | 993 | } |
1da177e4 LT |
994 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
995 | ||
1da177e4 | 996 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb AV |
997 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
998 | ret = SUCCESS; | |
1da177e4 | 999 | |
f4f051eb | 1000 | eh_host_reset_lock: |
f4f051eb AV |
1001 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1002 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1003 | |
f4f051eb AV |
1004 | return ret; |
1005 | } | |
1da177e4 LT |
1006 | |
1007 | /* | |
1008 | * qla2x00_loop_reset | |
1009 | * Issue loop reset. | |
1010 | * | |
1011 | * Input: | |
1012 | * ha = adapter block pointer. | |
1013 | * | |
1014 | * Returns: | |
1015 | * 0 = success | |
1016 | */ | |
1017 | static int | |
1018 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
1019 | { | |
1020 | int status = QLA_SUCCESS; | |
bdf79621 | 1021 | struct fc_port *fcport; |
1da177e4 LT |
1022 | |
1023 | if (ha->flags.enable_lip_reset) { | |
1024 | status = qla2x00_lip_reset(ha); | |
1025 | } | |
1026 | ||
1027 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 AV |
1028 | list_for_each_entry(fcport, &ha->fcports, list) { |
1029 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1030 | continue; |
1031 | ||
c00c72ae | 1032 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 1033 | if (status != QLA_SUCCESS) |
1da177e4 | 1034 | break; |
1da177e4 LT |
1035 | } |
1036 | } | |
1037 | ||
1038 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 1039 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
1040 | !ha->flags.enable_lip_reset) || |
1041 | ha->flags.enable_lip_full_login)) { | |
1042 | ||
1043 | status = qla2x00_full_login_lip(ha); | |
1044 | } | |
1045 | ||
1046 | /* Issue marker command only when we are going to start the I/O */ | |
1047 | ha->marker_needed = 1; | |
1048 | ||
1049 | if (status) { | |
1050 | /* Empty */ | |
1051 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1052 | __func__, | |
1053 | ha->host_no);) | |
1054 | } else { | |
1055 | /* Empty */ | |
1056 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1057 | __func__, | |
1058 | ha->host_no);) | |
1059 | } | |
1060 | ||
1061 | return(status); | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * qla2x00_device_reset | |
1066 | * Issue bus device reset message to the target. | |
1067 | * | |
1068 | * Input: | |
1069 | * ha = adapter block pointer. | |
1070 | * t = SCSI ID. | |
1071 | * TARGET_QUEUE_LOCK must be released. | |
1072 | * ADAPTER_STATE_LOCK must be released. | |
1073 | * | |
1074 | * Context: | |
1075 | * Kernel context. | |
1076 | */ | |
1077 | static int | |
1078 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1079 | { | |
1080 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1081 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1082 | } |
1083 | ||
f4f051eb AV |
1084 | static int |
1085 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1086 | { |
bdf79621 | 1087 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1088 | |
bdf79621 | 1089 | if (!rport) |
f4f051eb | 1090 | return -ENXIO; |
bdf79621 | 1091 | |
77d74143 | 1092 | sdev->hostdata = rport->dd_data; |
1da177e4 | 1093 | |
f4f051eb AV |
1094 | return 0; |
1095 | } | |
1da177e4 | 1096 | |
f4f051eb AV |
1097 | static int |
1098 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1099 | { | |
8482e118 AV |
1100 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1101 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1102 | ||
f4f051eb AV |
1103 | if (sdev->tagged_supported) |
1104 | scsi_activate_tcq(sdev, 32); | |
1105 | else | |
1106 | scsi_deactivate_tcq(sdev, 32); | |
1da177e4 | 1107 | |
8482e118 AV |
1108 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1109 | ||
f4f051eb AV |
1110 | return 0; |
1111 | } | |
1da177e4 | 1112 | |
f4f051eb AV |
1113 | static void |
1114 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1115 | { | |
1116 | sdev->hostdata = NULL; | |
1da177e4 LT |
1117 | } |
1118 | ||
ce7e4af7 AV |
1119 | static int |
1120 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1121 | { | |
1122 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1123 | return sdev->queue_depth; | |
1124 | } | |
1125 | ||
1126 | static int | |
1127 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1128 | { | |
1129 | if (sdev->tagged_supported) { | |
1130 | scsi_set_tag_type(sdev, tag_type); | |
1131 | if (tag_type) | |
1132 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1133 | else | |
1134 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1135 | } else | |
1136 | tag_type = 0; | |
1137 | ||
1138 | return tag_type; | |
1139 | } | |
1140 | ||
1da177e4 LT |
1141 | /** |
1142 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1143 | * @ha: HA context | |
1144 | * | |
1145 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1146 | * supported addressing method. | |
1147 | */ | |
1148 | static void | |
1149 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1150 | { | |
7524f9b9 | 1151 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1152 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1153 | |
7524f9b9 AV |
1154 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1155 | /* Any upper-dword bits set? */ | |
1156 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1157 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1158 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1159 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1160 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1161 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1162 | return; |
1da177e4 | 1163 | } |
1da177e4 | 1164 | } |
7524f9b9 AV |
1165 | |
1166 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1167 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1168 | } |
1169 | ||
1170 | static int | |
1171 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1172 | { | |
1173 | unsigned long pio, pio_len, pio_flags; | |
1174 | unsigned long mmio, mmio_len, mmio_flags; | |
1175 | ||
1176 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1177 | pio = pci_resource_start(ha->pdev, 0); | |
1178 | pio_len = pci_resource_len(ha->pdev, 0); | |
1179 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1180 | if (pio_flags & IORESOURCE_IO) { | |
1181 | if (pio_len < MIN_IOBASE_LEN) { | |
1182 | qla_printk(KERN_WARNING, ha, | |
1183 | "Invalid PCI I/O region size (%s)...\n", | |
1184 | pci_name(ha->pdev)); | |
1185 | pio = 0; | |
1186 | } | |
1187 | } else { | |
1188 | qla_printk(KERN_WARNING, ha, | |
1189 | "region #0 not a PIO resource (%s)...\n", | |
1190 | pci_name(ha->pdev)); | |
1191 | pio = 0; | |
1192 | } | |
1193 | ||
1194 | /* Use MMIO operations for all accesses. */ | |
1195 | mmio = pci_resource_start(ha->pdev, 1); | |
1196 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1197 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1198 | ||
1199 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1200 | qla_printk(KERN_ERR, ha, | |
1201 | "region #0 not an MMIO resource (%s), aborting\n", | |
1202 | pci_name(ha->pdev)); | |
1203 | goto iospace_error_exit; | |
1204 | } | |
1205 | if (mmio_len < MIN_IOBASE_LEN) { | |
1206 | qla_printk(KERN_ERR, ha, | |
1207 | "Invalid PCI mem region size (%s), aborting\n", | |
1208 | pci_name(ha->pdev)); | |
1209 | goto iospace_error_exit; | |
1210 | } | |
1211 | ||
1212 | if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) { | |
1213 | qla_printk(KERN_WARNING, ha, | |
1214 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1215 | pci_name(ha->pdev)); | |
1216 | ||
1217 | goto iospace_error_exit; | |
1218 | } | |
1219 | ||
1220 | ha->pio_address = pio; | |
1221 | ha->pio_length = pio_len; | |
1222 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1223 | if (!ha->iobase) { | |
1224 | qla_printk(KERN_ERR, ha, | |
1225 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1226 | ||
1227 | goto iospace_error_exit; | |
1228 | } | |
1229 | ||
1230 | return (0); | |
1231 | ||
1232 | iospace_error_exit: | |
1233 | return (-ENOMEM); | |
1234 | } | |
1235 | ||
abbd8870 AV |
1236 | static void |
1237 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1238 | { | |
1239 | unsigned long flags = 0; | |
3d71644c | 1240 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1241 | |
1242 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1243 | ha->interrupts_on = 1; | |
1244 | /* enable risc and host interrupts */ | |
1245 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1246 | RD_REG_WORD(®->ictrl); | |
1247 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1248 | ||
1249 | } | |
1250 | ||
1251 | static void | |
1252 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1253 | { | |
1254 | unsigned long flags = 0; | |
3d71644c | 1255 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1256 | |
1257 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1258 | ha->interrupts_on = 0; | |
1259 | /* disable risc and host interrupts */ | |
1260 | WRT_REG_WORD(®->ictrl, 0); | |
1261 | RD_REG_WORD(®->ictrl); | |
1262 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1263 | } | |
1264 | ||
fca29703 AV |
1265 | static void |
1266 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1267 | { | |
1268 | unsigned long flags = 0; | |
1269 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1270 | ||
1271 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1272 | ha->interrupts_on = 1; | |
1273 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1274 | RD_REG_DWORD(®->ictrl); | |
1275 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1276 | } | |
1277 | ||
1278 | static void | |
1279 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1280 | { | |
1281 | unsigned long flags = 0; | |
1282 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1283 | ||
1284 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1285 | ha->interrupts_on = 0; | |
1286 | WRT_REG_DWORD(®->ictrl, 0); | |
1287 | RD_REG_DWORD(®->ictrl); | |
1288 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1289 | } | |
1290 | ||
1da177e4 LT |
1291 | /* |
1292 | * PCI driver interface | |
1293 | */ | |
1294 | int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info) | |
1295 | { | |
a1541d5a | 1296 | int ret = -ENODEV; |
fca29703 | 1297 | device_reg_t __iomem *reg; |
1da177e4 LT |
1298 | struct Scsi_Host *host; |
1299 | scsi_qla_host_t *ha; | |
1300 | unsigned long flags = 0; | |
1301 | unsigned long wait_switch = 0; | |
1302 | char pci_info[20]; | |
1303 | char fw_str[30]; | |
8482e118 | 1304 | fc_port_t *fcport; |
1da177e4 LT |
1305 | |
1306 | if (pci_enable_device(pdev)) | |
a1541d5a | 1307 | goto probe_out; |
1da177e4 | 1308 | |
fca29703 AV |
1309 | host = scsi_host_alloc(brd_info->sht ? brd_info->sht: |
1310 | &qla2x00_driver_template, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1311 | if (host == NULL) { |
1312 | printk(KERN_WARNING | |
1313 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1314 | goto probe_disable_device; | |
1315 | } | |
1316 | ||
1317 | /* Clear our data area */ | |
1318 | ha = (scsi_qla_host_t *)host->hostdata; | |
1319 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1320 | ||
1321 | ha->pdev = pdev; | |
1322 | ha->host = host; | |
1323 | ha->host_no = host->host_no; | |
1324 | ha->brd_info = brd_info; | |
1325 | sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no); | |
1326 | ||
1327 | /* Configure PCI I/O space */ | |
1328 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1329 | if (ret) |
1330 | goto probe_failed; | |
1da177e4 | 1331 | |
1da177e4 LT |
1332 | qla_printk(KERN_INFO, ha, |
1333 | "Found an %s, irq %d, iobase 0x%p\n", ha->brd_info->isp_name, | |
fca29703 | 1334 | pdev->irq, ha->iobase); |
1da177e4 LT |
1335 | |
1336 | spin_lock_init(&ha->hardware_lock); | |
1337 | ||
1da177e4 LT |
1338 | ha->prev_topology = 0; |
1339 | ha->ports = MAX_BUSES; | |
fca29703 | 1340 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1341 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
1da177e4 | 1342 | |
abbd8870 AV |
1343 | /* Assign ISP specific operations. */ |
1344 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1345 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1346 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1347 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1348 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1349 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1350 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1351 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1352 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1353 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1354 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1355 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1356 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1357 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1358 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1359 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1360 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1361 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1362 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1363 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1364 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1365 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1366 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 AV |
1367 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
1368 | ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump; | |
1da177e4 | 1369 | if (IS_QLA2100(ha)) { |
354d6b21 | 1370 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1371 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1372 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1373 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1374 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1375 | host->sg_tablesize = 32; | |
abbd8870 | 1376 | ha->gid_list_info_size = 4; |
1da177e4 | 1377 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1378 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1379 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1380 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1381 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1382 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1383 | ha->gid_list_info_size = 4; |
fca29703 | 1384 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1385 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1386 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1387 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1388 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1389 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1390 | ha->isp_ops.pci_config = qla2300_pci_config; |
1391 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1392 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
1393 | ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump; | |
1394 | ha->gid_list_info_size = 6; | |
fca29703 AV |
1395 | } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
1396 | host->max_id = MAX_TARGETS_2200; | |
1397 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1398 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1399 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1400 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1401 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1402 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1403 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1404 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1405 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1406 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1407 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1408 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1409 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
1410 | ha->isp_ops.load_risc = qla24xx_load_risc_flash; | |
1411 | if (ql2xfwloadbin) | |
1412 | ha->isp_ops.load_risc = qla24xx_load_risc_hotplug; | |
1413 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; | |
1414 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1415 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1416 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1417 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1418 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1419 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1420 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1421 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1422 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1423 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1424 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1425 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1426 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
1427 | ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump; | |
1428 | ha->gid_list_info_size = 8; | |
1da177e4 LT |
1429 | } |
1430 | host->can_queue = ha->request_q_length + 128; | |
1431 | ||
1432 | /* load the F/W, read paramaters, and init the H/W */ | |
1433 | ha->instance = num_hosts; | |
1434 | ||
1435 | init_MUTEX(&ha->mbx_cmd_sem); | |
1436 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1437 | ||
1438 | INIT_LIST_HEAD(&ha->list); | |
1439 | INIT_LIST_HEAD(&ha->fcports); | |
1440 | INIT_LIST_HEAD(&ha->rscn_fcports); | |
1da177e4 LT |
1441 | |
1442 | /* | |
1443 | * These locks are used to prevent more than one CPU | |
1444 | * from modifying the queue at the same time. The | |
1445 | * higher level "host_lock" will reduce most | |
1446 | * contention for these locks. | |
1447 | */ | |
1448 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 LT |
1449 | |
1450 | ha->dpc_pid = -1; | |
1451 | init_completion(&ha->dpc_inited); | |
1452 | init_completion(&ha->dpc_exited); | |
1453 | ||
1454 | qla2x00_config_dma_addressing(ha); | |
1455 | if (qla2x00_mem_alloc(ha)) { | |
1456 | qla_printk(KERN_WARNING, ha, | |
1457 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1458 | ||
a1541d5a AV |
1459 | ret = -ENOMEM; |
1460 | goto probe_failed; | |
1da177e4 LT |
1461 | } |
1462 | ||
1463 | if (qla2x00_initialize_adapter(ha) && | |
1464 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1465 | ||
1466 | qla_printk(KERN_WARNING, ha, | |
1467 | "Failed to initialize adapter\n"); | |
1468 | ||
1469 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1470 | "Adapter flags %x.\n", | |
1471 | ha->host_no, ha->device_flags)); | |
1472 | ||
a1541d5a | 1473 | ret = -ENODEV; |
1da177e4 LT |
1474 | goto probe_failed; |
1475 | } | |
1476 | ||
1477 | /* | |
1478 | * Startup the kernel thread for this host adapter | |
1479 | */ | |
1480 | ha->dpc_should_die = 0; | |
1481 | ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0); | |
1482 | if (ha->dpc_pid < 0) { | |
1483 | qla_printk(KERN_WARNING, ha, | |
1484 | "Unable to start DPC thread!\n"); | |
1485 | ||
a1541d5a | 1486 | ret = -ENODEV; |
1da177e4 LT |
1487 | goto probe_failed; |
1488 | } | |
1489 | wait_for_completion(&ha->dpc_inited); | |
1490 | ||
a1541d5a AV |
1491 | host->this_id = 255; |
1492 | host->cmd_per_lun = 3; | |
1493 | host->unique_id = ha->instance; | |
1494 | host->max_cmd_len = MAX_CMDSZ; | |
1495 | host->max_channel = ha->ports - 1; | |
1496 | host->max_lun = MAX_LUNS; | |
1497 | host->transportt = qla2xxx_transport_template; | |
1498 | ||
fca29703 | 1499 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
abbd8870 | 1500 | SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha); |
a1541d5a | 1501 | if (ret) { |
1da177e4 LT |
1502 | qla_printk(KERN_WARNING, ha, |
1503 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1504 | pdev->irq); |
1da177e4 LT |
1505 | goto probe_failed; |
1506 | } | |
fca29703 | 1507 | host->irq = pdev->irq; |
1da177e4 LT |
1508 | |
1509 | /* Initialized the timer */ | |
1510 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1511 | ||
1512 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1513 | ha->host_no, ha)); | |
1514 | ||
abbd8870 | 1515 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1516 | |
1da177e4 | 1517 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 AV |
1518 | reg = ha->iobase; |
1519 | if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { | |
1520 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1521 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1522 | } else { | |
1523 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1524 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1525 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1526 | ||
1527 | /* Enable proper parity */ | |
1528 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1529 | if (IS_QLA2300(ha)) | |
1530 | /* SRAM parity */ | |
1531 | WRT_REG_WORD(®->isp.hccr, | |
1532 | (HCCR_ENABLE_PARITY + 0x1)); | |
1533 | else | |
1534 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1535 | WRT_REG_WORD(®->isp.hccr, | |
1536 | (HCCR_ENABLE_PARITY + 0x7)); | |
1537 | } | |
1da177e4 LT |
1538 | } |
1539 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1540 | ||
abbd8870 | 1541 | ha->isp_ops.enable_intrs(ha); |
1da177e4 LT |
1542 | |
1543 | /* v2.19.5b6 */ | |
1544 | /* | |
1545 | * Wait around max loop_reset_delay secs for the devices to come | |
1546 | * on-line. We don't want Linux scanning before we are ready. | |
1547 | * | |
1548 | */ | |
1549 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); | |
1550 | time_before(jiffies,wait_switch) && | |
1551 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) | |
1552 | && (ha->device_flags & SWITCH_FOUND) ;) { | |
1553 | ||
1554 | qla2x00_check_fabric_devices(ha); | |
1555 | ||
1556 | msleep(10); | |
1557 | } | |
1558 | ||
a1541d5a | 1559 | pci_set_drvdata(pdev, ha); |
1da177e4 LT |
1560 | ha->flags.init_done = 1; |
1561 | num_hosts++; | |
1562 | ||
a1541d5a AV |
1563 | ret = scsi_add_host(host, &pdev->dev); |
1564 | if (ret) | |
1565 | goto probe_failed; | |
1566 | ||
1567 | qla2x00_alloc_sysfs_attr(ha); | |
1568 | ||
1569 | qla2x00_init_host_attr(ha); | |
1570 | ||
1da177e4 LT |
1571 | qla_printk(KERN_INFO, ha, "\n" |
1572 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1573 | " QLogic %s - %s\n" | |
1574 | " %s: %s @ %s hdma%c, host#=%ld, fw=%s\n", qla2x00_version_str, | |
1575 | ha->model_number, ha->model_desc ? ha->model_desc: "", | |
abbd8870 | 1576 | ha->brd_info->isp_name, ha->isp_ops.pci_info_str(ha, pci_info), |
fca29703 | 1577 | pci_name(pdev), ha->flags.enable_64bit_addressing ? '+': '-', |
abbd8870 | 1578 | ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str)); |
1da177e4 | 1579 | |
8482e118 AV |
1580 | /* Go with fc_rport registration. */ |
1581 | list_for_each_entry(fcport, &ha->fcports, list) | |
1582 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1583 | |
1584 | return 0; | |
1585 | ||
1586 | probe_failed: | |
bdf79621 AV |
1587 | fc_remove_host(ha->host); |
1588 | ||
1da177e4 LT |
1589 | qla2x00_free_device(ha); |
1590 | ||
1591 | scsi_host_put(host); | |
1592 | ||
1593 | probe_disable_device: | |
1594 | pci_disable_device(pdev); | |
1595 | ||
a1541d5a AV |
1596 | probe_out: |
1597 | return ret; | |
1da177e4 LT |
1598 | } |
1599 | EXPORT_SYMBOL_GPL(qla2x00_probe_one); | |
1600 | ||
1601 | void qla2x00_remove_one(struct pci_dev *pdev) | |
1602 | { | |
1603 | scsi_qla_host_t *ha; | |
1604 | ||
1605 | ha = pci_get_drvdata(pdev); | |
1606 | ||
8482e118 | 1607 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1608 | |
bdf79621 AV |
1609 | fc_remove_host(ha->host); |
1610 | ||
1da177e4 LT |
1611 | scsi_remove_host(ha->host); |
1612 | ||
1613 | qla2x00_free_device(ha); | |
1614 | ||
1615 | scsi_host_put(ha->host); | |
1616 | ||
1617 | pci_set_drvdata(pdev, NULL); | |
1618 | } | |
1619 | EXPORT_SYMBOL_GPL(qla2x00_remove_one); | |
1620 | ||
1621 | static void | |
1622 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1623 | { | |
1624 | int ret; | |
1625 | ||
1626 | /* Abort any outstanding IO descriptors. */ | |
1627 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1628 | qla2x00_cancel_io_descriptors(ha); | |
1629 | ||
1630 | /* turn-off interrupts on the card */ | |
1631 | if (ha->interrupts_on) | |
abbd8870 | 1632 | ha->isp_ops.disable_intrs(ha); |
1da177e4 LT |
1633 | |
1634 | /* Disable timer */ | |
1635 | if (ha->timer_active) | |
1636 | qla2x00_stop_timer(ha); | |
1637 | ||
1638 | /* Kill the kernel thread for this host */ | |
1639 | if (ha->dpc_pid >= 0) { | |
1640 | ha->dpc_should_die = 1; | |
1641 | wmb(); | |
1642 | ret = kill_proc(ha->dpc_pid, SIGHUP, 1); | |
1643 | if (ret) { | |
1644 | qla_printk(KERN_ERR, ha, | |
1645 | "Unable to signal DPC thread -- (%d)\n", ret); | |
1646 | ||
1647 | /* TODO: SOMETHING MORE??? */ | |
1648 | } else { | |
1649 | wait_for_completion(&ha->dpc_exited); | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | qla2x00_mem_free(ha); | |
1654 | ||
1655 | ||
1656 | ha->flags.online = 0; | |
1657 | ||
1658 | /* Detach interrupts */ | |
1659 | if (ha->pdev->irq) | |
1660 | free_irq(ha->pdev->irq, ha); | |
1661 | ||
1662 | /* release io space registers */ | |
1663 | if (ha->iobase) | |
1664 | iounmap(ha->iobase); | |
1665 | pci_release_regions(ha->pdev); | |
1666 | ||
1667 | pci_disable_device(ha->pdev); | |
1668 | } | |
1669 | ||
1da177e4 LT |
1670 | /* |
1671 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1672 | * | |
1673 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1674 | * | |
1675 | * Return: None. | |
1676 | * | |
1677 | * Context: | |
1678 | */ | |
1679 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
1680 | int do_login) | |
1681 | { | |
8482e118 AV |
1682 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
1683 | fc_remote_port_block(fcport->rport); | |
fa2a1ce5 | 1684 | /* |
1da177e4 LT |
1685 | * We may need to retry the login, so don't change the state of the |
1686 | * port but do the retries. | |
1687 | */ | |
1688 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1689 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1690 | ||
1691 | if (!do_login) | |
1692 | return; | |
1693 | ||
1694 | if (fcport->login_retry == 0) { | |
1695 | fcport->login_retry = ha->login_retry_count; | |
1696 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1697 | ||
1698 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1699 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1700 | "id = 0x%04x retry cnt=%d\n", | |
1701 | ha->host_no, | |
1702 | fcport->port_name[0], | |
1703 | fcport->port_name[1], | |
1704 | fcport->port_name[2], | |
1705 | fcport->port_name[3], | |
1706 | fcport->port_name[4], | |
1707 | fcport->port_name[5], | |
1708 | fcport->port_name[6], | |
1709 | fcport->port_name[7], | |
1710 | fcport->loop_id, | |
1711 | fcport->login_retry)); | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | /* | |
1716 | * qla2x00_mark_all_devices_lost | |
1717 | * Updates fcport state when device goes offline. | |
1718 | * | |
1719 | * Input: | |
1720 | * ha = adapter block pointer. | |
1721 | * fcport = port structure pointer. | |
1722 | * | |
1723 | * Return: | |
1724 | * None. | |
1725 | * | |
1726 | * Context: | |
1727 | */ | |
1728 | void | |
fa2a1ce5 | 1729 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha) |
1da177e4 LT |
1730 | { |
1731 | fc_port_t *fcport; | |
1732 | ||
1733 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1734 | if (fcport->port_type != FCT_TARGET) | |
1735 | continue; | |
1736 | ||
1737 | /* | |
1738 | * No point in marking the device as lost, if the device is | |
1739 | * already DEAD. | |
1740 | */ | |
1741 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1742 | continue; | |
8482e118 AV |
1743 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
1744 | fc_remote_port_block(fcport->rport); | |
1da177e4 LT |
1745 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1746 | } | |
1747 | } | |
1748 | ||
1749 | /* | |
1750 | * qla2x00_mem_alloc | |
1751 | * Allocates adapter memory. | |
1752 | * | |
1753 | * Returns: | |
1754 | * 0 = success. | |
1755 | * 1 = failure. | |
1756 | */ | |
1757 | static uint8_t | |
1758 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1759 | { | |
1760 | char name[16]; | |
1761 | uint8_t status = 1; | |
1762 | int retry= 10; | |
1763 | ||
1764 | do { | |
1765 | /* | |
1766 | * This will loop only once if everything goes well, else some | |
1767 | * number of retries will be performed to get around a kernel | |
1768 | * bug where available mem is not allocated until after a | |
1769 | * little delay and a retry. | |
1770 | */ | |
1771 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1772 | (ha->request_q_length + 1) * sizeof(request_t), | |
1773 | &ha->request_dma, GFP_KERNEL); | |
1774 | if (ha->request_ring == NULL) { | |
1775 | qla_printk(KERN_WARNING, ha, | |
1776 | "Memory Allocation failed - request_ring\n"); | |
1777 | ||
1778 | qla2x00_mem_free(ha); | |
1779 | msleep(100); | |
1780 | ||
1781 | continue; | |
1782 | } | |
1783 | ||
1784 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1785 | (ha->response_q_length + 1) * sizeof(response_t), | |
1786 | &ha->response_dma, GFP_KERNEL); | |
1787 | if (ha->response_ring == NULL) { | |
1788 | qla_printk(KERN_WARNING, ha, | |
1789 | "Memory Allocation failed - response_ring\n"); | |
1790 | ||
1791 | qla2x00_mem_free(ha); | |
1792 | msleep(100); | |
1793 | ||
1794 | continue; | |
1795 | } | |
1796 | ||
1797 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1798 | &ha->gid_list_dma, GFP_KERNEL); | |
1799 | if (ha->gid_list == NULL) { | |
1800 | qla_printk(KERN_WARNING, ha, | |
1801 | "Memory Allocation failed - gid_list\n"); | |
1802 | ||
1803 | qla2x00_mem_free(ha); | |
1804 | msleep(100); | |
1805 | ||
1806 | continue; | |
1807 | } | |
1808 | ||
1809 | ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev, | |
1810 | sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL); | |
1811 | if (ha->rlc_rsp == NULL) { | |
1812 | qla_printk(KERN_WARNING, ha, | |
1813 | "Memory Allocation failed - rlc"); | |
1814 | ||
1815 | qla2x00_mem_free(ha); | |
1816 | msleep(100); | |
1817 | ||
1818 | continue; | |
1819 | } | |
1820 | ||
1821 | snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no); | |
1822 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
1823 | DMA_POOL_SIZE, 8, 0); | |
1824 | if (ha->s_dma_pool == NULL) { | |
1825 | qla_printk(KERN_WARNING, ha, | |
1826 | "Memory Allocation failed - s_dma_pool\n"); | |
1827 | ||
1828 | qla2x00_mem_free(ha); | |
1829 | msleep(100); | |
1830 | ||
1831 | continue; | |
1832 | } | |
1833 | ||
1834 | /* get consistent memory allocated for init control block */ | |
1835 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1836 | &ha->init_cb_dma); | |
1837 | if (ha->init_cb == NULL) { | |
1838 | qla_printk(KERN_WARNING, ha, | |
1839 | "Memory Allocation failed - init_cb\n"); | |
1840 | ||
1841 | qla2x00_mem_free(ha); | |
1842 | msleep(100); | |
1843 | ||
1844 | continue; | |
1845 | } | |
fca29703 | 1846 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 LT |
1847 | |
1848 | /* Get consistent memory allocated for Get Port Database cmd */ | |
1849 | ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1850 | &ha->iodesc_pd_dma); | |
1851 | if (ha->iodesc_pd == NULL) { | |
1852 | /* error */ | |
1853 | qla_printk(KERN_WARNING, ha, | |
1854 | "Memory Allocation failed - iodesc_pd\n"); | |
1855 | ||
1856 | qla2x00_mem_free(ha); | |
1857 | msleep(100); | |
1858 | ||
1859 | continue; | |
1860 | } | |
1861 | memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE); | |
1862 | ||
1863 | /* Allocate ioctl related memory. */ | |
1864 | if (qla2x00_alloc_ioctl_mem(ha)) { | |
1865 | qla_printk(KERN_WARNING, ha, | |
1866 | "Memory Allocation failed - ioctl_mem\n"); | |
1867 | ||
1868 | qla2x00_mem_free(ha); | |
1869 | msleep(100); | |
1870 | ||
1871 | continue; | |
1872 | } | |
1873 | ||
1874 | if (qla2x00_allocate_sp_pool(ha)) { | |
1875 | qla_printk(KERN_WARNING, ha, | |
1876 | "Memory Allocation failed - " | |
1877 | "qla2x00_allocate_sp_pool()\n"); | |
1878 | ||
1879 | qla2x00_mem_free(ha); | |
1880 | msleep(100); | |
1881 | ||
1882 | continue; | |
1883 | } | |
1884 | ||
1885 | /* Allocate memory for SNS commands */ | |
1886 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1887 | /* Get consistent memory allocated for SNS commands */ | |
1888 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1889 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1890 | GFP_KERNEL); | |
1891 | if (ha->sns_cmd == NULL) { | |
1892 | /* error */ | |
1893 | qla_printk(KERN_WARNING, ha, | |
1894 | "Memory Allocation failed - sns_cmd\n"); | |
1895 | ||
1896 | qla2x00_mem_free(ha); | |
1897 | msleep(100); | |
1898 | ||
1899 | continue; | |
1900 | } | |
1901 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1902 | } else { | |
1903 | /* Get consistent memory allocated for MS IOCB */ | |
1904 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1905 | &ha->ms_iocb_dma); | |
1906 | if (ha->ms_iocb == NULL) { | |
1907 | /* error */ | |
1908 | qla_printk(KERN_WARNING, ha, | |
1909 | "Memory Allocation failed - ms_iocb\n"); | |
1910 | ||
1911 | qla2x00_mem_free(ha); | |
1912 | msleep(100); | |
1913 | ||
1914 | continue; | |
1915 | } | |
1916 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1917 | ||
1918 | /* | |
1919 | * Get consistent memory allocated for CT SNS | |
1920 | * commands | |
1921 | */ | |
1922 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
1923 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
1924 | GFP_KERNEL); | |
1925 | if (ha->ct_sns == NULL) { | |
1926 | /* error */ | |
1927 | qla_printk(KERN_WARNING, ha, | |
1928 | "Memory Allocation failed - ct_sns\n"); | |
1929 | ||
1930 | qla2x00_mem_free(ha); | |
1931 | msleep(100); | |
1932 | ||
1933 | continue; | |
1934 | } | |
1935 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
1936 | } | |
1937 | ||
1938 | /* Done all allocations without any error. */ | |
1939 | status = 0; | |
1940 | ||
1941 | } while (retry-- && status != 0); | |
1942 | ||
1943 | if (status) { | |
1944 | printk(KERN_WARNING | |
1945 | "%s(): **** FAILED ****\n", __func__); | |
1946 | } | |
1947 | ||
1948 | return(status); | |
1949 | } | |
1950 | ||
1951 | /* | |
1952 | * qla2x00_mem_free | |
1953 | * Frees all adapter allocated memory. | |
1954 | * | |
1955 | * Input: | |
1956 | * ha = adapter block pointer. | |
1957 | */ | |
1958 | static void | |
1959 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
1960 | { | |
1da177e4 LT |
1961 | struct list_head *fcpl, *fcptemp; |
1962 | fc_port_t *fcport; | |
1da177e4 LT |
1963 | unsigned long wtime;/* max wait time if mbx cmd is busy. */ |
1964 | ||
1965 | if (ha == NULL) { | |
1966 | /* error */ | |
1967 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
1968 | return; | |
1969 | } | |
1970 | ||
1da177e4 LT |
1971 | /* Make sure all other threads are stopped. */ |
1972 | wtime = 60 * HZ; | |
1973 | while (ha->dpc_wait && wtime) { | |
1974 | set_current_state(TASK_INTERRUPTIBLE); | |
1975 | wtime = schedule_timeout(wtime); | |
1976 | } | |
1977 | ||
1978 | /* free ioctl memory */ | |
1979 | qla2x00_free_ioctl_mem(ha); | |
1980 | ||
1981 | /* free sp pool */ | |
1982 | qla2x00_free_sp_pool(ha); | |
1983 | ||
1984 | if (ha->sns_cmd) | |
1985 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
1986 | ha->sns_cmd, ha->sns_cmd_dma); | |
1987 | ||
1988 | if (ha->ct_sns) | |
1989 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
1990 | ha->ct_sns, ha->ct_sns_dma); | |
1991 | ||
1992 | if (ha->ms_iocb) | |
1993 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
1994 | ||
1995 | if (ha->iodesc_pd) | |
1996 | dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma); | |
1997 | ||
1998 | if (ha->init_cb) | |
1999 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
2000 | ||
2001 | if (ha->s_dma_pool) | |
2002 | dma_pool_destroy(ha->s_dma_pool); | |
2003 | ||
2004 | if (ha->rlc_rsp) | |
2005 | dma_free_coherent(&ha->pdev->dev, | |
2006 | sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp, | |
2007 | ha->rlc_rsp_dma); | |
2008 | ||
2009 | if (ha->gid_list) | |
2010 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2011 | ha->gid_list_dma); | |
2012 | ||
2013 | if (ha->response_ring) | |
2014 | dma_free_coherent(&ha->pdev->dev, | |
2015 | (ha->response_q_length + 1) * sizeof(response_t), | |
2016 | ha->response_ring, ha->response_dma); | |
2017 | ||
2018 | if (ha->request_ring) | |
2019 | dma_free_coherent(&ha->pdev->dev, | |
2020 | (ha->request_q_length + 1) * sizeof(request_t), | |
2021 | ha->request_ring, ha->request_dma); | |
2022 | ||
2023 | ha->sns_cmd = NULL; | |
2024 | ha->sns_cmd_dma = 0; | |
2025 | ha->ct_sns = NULL; | |
2026 | ha->ct_sns_dma = 0; | |
2027 | ha->ms_iocb = NULL; | |
2028 | ha->ms_iocb_dma = 0; | |
2029 | ha->iodesc_pd = NULL; | |
2030 | ha->iodesc_pd_dma = 0; | |
2031 | ha->init_cb = NULL; | |
2032 | ha->init_cb_dma = 0; | |
2033 | ||
2034 | ha->s_dma_pool = NULL; | |
2035 | ||
2036 | ha->rlc_rsp = NULL; | |
2037 | ha->rlc_rsp_dma = 0; | |
2038 | ha->gid_list = NULL; | |
2039 | ha->gid_list_dma = 0; | |
2040 | ||
2041 | ha->response_ring = NULL; | |
2042 | ha->response_dma = 0; | |
2043 | ha->request_ring = NULL; | |
2044 | ha->request_dma = 0; | |
2045 | ||
2046 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2047 | fcport = list_entry(fcpl, fc_port_t, list); | |
2048 | ||
1da177e4 LT |
2049 | /* fc ports */ |
2050 | list_del_init(&fcport->list); | |
2051 | kfree(fcport); | |
2052 | } | |
2053 | INIT_LIST_HEAD(&ha->fcports); | |
2054 | ||
2055 | if (ha->fw_dump) | |
2056 | free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order); | |
2057 | ||
fca29703 AV |
2058 | vfree(ha->fw_dump24); |
2059 | ||
2060 | vfree(ha->fw_dump_buffer); | |
1da177e4 LT |
2061 | |
2062 | ha->fw_dump = NULL; | |
fca29703 AV |
2063 | ha->fw_dump24 = NULL; |
2064 | ha->fw_dumped = 0; | |
1da177e4 LT |
2065 | ha->fw_dump_reading = 0; |
2066 | ha->fw_dump_buffer = NULL; | |
2067 | } | |
2068 | ||
2069 | /* | |
2070 | * qla2x00_allocate_sp_pool | |
2071 | * This routine is called during initialization to allocate | |
2072 | * memory for local srb_t. | |
2073 | * | |
2074 | * Input: | |
2075 | * ha = adapter block pointer. | |
2076 | * | |
2077 | * Context: | |
2078 | * Kernel context. | |
fa2a1ce5 | 2079 | * |
1da177e4 LT |
2080 | * Note: Sets the ref_count for non Null sp to one. |
2081 | */ | |
2082 | static int | |
fa2a1ce5 | 2083 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2084 | { |
2085 | int rval; | |
2086 | ||
2087 | rval = QLA_SUCCESS; | |
2088 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2089 | mempool_free_slab, srb_cachep); | |
2090 | if (ha->srb_mempool == NULL) { | |
2091 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2092 | rval = QLA_FUNCTION_FAILED; | |
2093 | } | |
2094 | return (rval); | |
2095 | } | |
2096 | ||
2097 | /* | |
2098 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2099 | * |
1da177e4 LT |
2100 | */ |
2101 | static void | |
fa2a1ce5 | 2102 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2103 | { |
2104 | if (ha->srb_mempool) { | |
2105 | mempool_destroy(ha->srb_mempool); | |
2106 | ha->srb_mempool = NULL; | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | /************************************************************************** | |
2111 | * qla2x00_do_dpc | |
2112 | * This kernel thread is a task that is schedule by the interrupt handler | |
2113 | * to perform the background processing for interrupts. | |
2114 | * | |
2115 | * Notes: | |
2116 | * This task always run in the context of a kernel thread. It | |
2117 | * is kick-off by the driver's detect code and starts up | |
2118 | * up one per adapter. It immediately goes to sleep and waits for | |
2119 | * some fibre event. When either the interrupt handler or | |
2120 | * the timer routine detects a event it will one of the task | |
2121 | * bits then wake us up. | |
2122 | **************************************************************************/ | |
2123 | static int | |
2124 | qla2x00_do_dpc(void *data) | |
2125 | { | |
2126 | DECLARE_MUTEX_LOCKED(sem); | |
2127 | scsi_qla_host_t *ha; | |
2128 | fc_port_t *fcport; | |
1da177e4 | 2129 | uint8_t status; |
1da177e4 | 2130 | uint16_t next_loopid; |
1da177e4 LT |
2131 | |
2132 | ha = (scsi_qla_host_t *)data; | |
2133 | ||
2134 | lock_kernel(); | |
2135 | ||
2136 | daemonize("%s_dpc", ha->host_str); | |
2137 | allow_signal(SIGHUP); | |
2138 | ||
2139 | ha->dpc_wait = &sem; | |
2140 | ||
2141 | set_user_nice(current, -20); | |
2142 | ||
2143 | unlock_kernel(); | |
2144 | ||
2145 | complete(&ha->dpc_inited); | |
2146 | ||
2147 | while (1) { | |
2148 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); | |
2149 | ||
2150 | if (down_interruptible(&sem)) | |
2151 | break; | |
2152 | ||
2153 | if (ha->dpc_should_die) | |
2154 | break; | |
2155 | ||
2156 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2157 | ||
2158 | /* Initialization not yet finished. Don't do anything yet. */ | |
2159 | if (!ha->flags.init_done || ha->dpc_active) | |
2160 | continue; | |
2161 | ||
2162 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2163 | ||
2164 | ha->dpc_active = 1; | |
2165 | ||
1da177e4 | 2166 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2167 | ha->dpc_active = 0; |
2168 | continue; | |
2169 | } | |
2170 | ||
2171 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2172 | ||
2173 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2174 | "qla2x00_abort_isp ha = %p\n", | |
2175 | ha->host_no, ha)); | |
2176 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2177 | &ha->dpc_flags))) { | |
2178 | ||
2179 | if (qla2x00_abort_isp(ha)) { | |
2180 | /* failed. retry later */ | |
2181 | set_bit(ISP_ABORT_NEEDED, | |
2182 | &ha->dpc_flags); | |
2183 | } | |
2184 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2185 | } | |
2186 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2187 | ha->host_no)); | |
2188 | } | |
2189 | ||
2190 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && | |
2191 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2192 | ||
2193 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2194 | ha->host_no)); | |
2195 | ||
2196 | qla2x00_rst_aen(ha); | |
2197 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2198 | } | |
2199 | ||
2200 | /* Retry each device up to login retry count */ | |
2201 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2202 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2203 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2204 | ||
2205 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2206 | ha->host_no)); | |
2207 | ||
2208 | next_loopid = 0; | |
2209 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2210 | if (fcport->port_type != FCT_TARGET) | |
2211 | continue; | |
2212 | ||
2213 | /* | |
2214 | * If the port is not ONLINE then try to login | |
2215 | * to it if we haven't run out of retries. | |
2216 | */ | |
2217 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2218 | fcport->login_retry) { | |
2219 | ||
2220 | fcport->login_retry--; | |
2221 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2222 | if (fcport->flags & | |
2223 | FCF_TAPE_PRESENT) | |
abbd8870 | 2224 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2225 | ha, fcport->loop_id, |
2226 | fcport->d_id.b.domain, | |
2227 | fcport->d_id.b.area, | |
2228 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2229 | status = qla2x00_fabric_login( |
2230 | ha, fcport, &next_loopid); | |
2231 | } else | |
2232 | status = | |
2233 | qla2x00_local_device_login( | |
2234 | ha, fcport->loop_id); | |
2235 | ||
2236 | if (status == QLA_SUCCESS) { | |
2237 | fcport->old_loop_id = fcport->loop_id; | |
2238 | ||
2239 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2240 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2241 | |
1da177e4 LT |
2242 | fcport->port_login_retry_count = |
2243 | ha->port_down_retry_count * PORT_RETRY_TIME; | |
2244 | atomic_set(&fcport->state, FCS_ONLINE); | |
2245 | atomic_set(&fcport->port_down_timer, | |
2246 | ha->port_down_retry_count * PORT_RETRY_TIME); | |
2247 | ||
2248 | fcport->login_retry = 0; | |
2249 | } else if (status == 1) { | |
2250 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2251 | /* retry the login again */ | |
2252 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2253 | ha->host_no, | |
2254 | fcport->login_retry, fcport->loop_id)); | |
2255 | } else { | |
2256 | fcport->login_retry = 0; | |
2257 | } | |
2258 | } | |
2259 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2260 | break; | |
2261 | } | |
2262 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2263 | ha->host_no)); | |
2264 | } | |
2265 | ||
2266 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2267 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2268 | ||
2269 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2270 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2271 | ha->host_no)); | |
fa2a1ce5 | 2272 | |
1da177e4 LT |
2273 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2274 | ||
2275 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2276 | ha->host_no)); | |
2277 | } | |
2278 | ||
2279 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2280 | ||
2281 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2282 | ha->host_no)); | |
2283 | ||
2284 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2285 | &ha->dpc_flags))) { | |
2286 | ||
2287 | qla2x00_loop_resync(ha); | |
2288 | ||
2289 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2290 | } | |
2291 | ||
2292 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2293 | ha->host_no)); | |
2294 | } | |
2295 | ||
1da177e4 LT |
2296 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2297 | ||
2298 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2299 | ha->host_no)); | |
2300 | ||
2301 | qla2x00_rescan_fcports(ha); | |
2302 | ||
2303 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2304 | "end.\n", | |
2305 | ha->host_no)); | |
2306 | } | |
2307 | ||
1da177e4 | 2308 | if (!ha->interrupts_on) |
abbd8870 | 2309 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2310 | |
1da177e4 LT |
2311 | ha->dpc_active = 0; |
2312 | } /* End of while(1) */ | |
2313 | ||
2314 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2315 | ||
2316 | /* | |
2317 | * Make sure that nobody tries to wake us up again. | |
2318 | */ | |
2319 | ha->dpc_wait = NULL; | |
2320 | ha->dpc_active = 0; | |
2321 | ||
2322 | complete_and_exit(&ha->dpc_exited, 0); | |
2323 | } | |
2324 | ||
1da177e4 LT |
2325 | /* |
2326 | * qla2x00_rst_aen | |
2327 | * Processes asynchronous reset. | |
2328 | * | |
2329 | * Input: | |
2330 | * ha = adapter block pointer. | |
2331 | */ | |
2332 | static void | |
fa2a1ce5 | 2333 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2334 | { |
2335 | if (ha->flags.online && !ha->flags.reset_active && | |
2336 | !atomic_read(&ha->loop_down_timer) && | |
2337 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2338 | do { | |
2339 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2340 | ||
2341 | /* | |
2342 | * Issue marker command only when we are going to start | |
2343 | * the I/O. | |
2344 | */ | |
2345 | ha->marker_needed = 1; | |
2346 | } while (!atomic_read(&ha->loop_down_timer) && | |
2347 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2348 | } | |
2349 | } | |
2350 | ||
f4f051eb AV |
2351 | static void |
2352 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2353 | { | |
2354 | struct scsi_cmnd *cmd = sp->cmd; | |
2355 | ||
2356 | if (sp->flags & SRB_DMA_VALID) { | |
2357 | if (cmd->use_sg) { | |
2358 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2359 | cmd->use_sg, cmd->sc_data_direction); | |
2360 | } else if (cmd->request_bufflen) { | |
2361 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2362 | cmd->request_bufflen, cmd->sc_data_direction); | |
2363 | } | |
2364 | sp->flags &= ~SRB_DMA_VALID; | |
2365 | } | |
fca29703 | 2366 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2367 | } |
2368 | ||
2369 | void | |
2370 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2371 | { | |
2372 | struct scsi_cmnd *cmd = sp->cmd; | |
2373 | ||
2374 | qla2x00_sp_free_dma(ha, sp); | |
2375 | ||
f4f051eb AV |
2376 | mempool_free(sp, ha->srb_mempool); |
2377 | ||
2378 | cmd->scsi_done(cmd); | |
2379 | } | |
bdf79621 | 2380 | |
1da177e4 LT |
2381 | /************************************************************************** |
2382 | * qla2x00_timer | |
2383 | * | |
2384 | * Description: | |
2385 | * One second timer | |
2386 | * | |
2387 | * Context: Interrupt | |
2388 | ***************************************************************************/ | |
2389 | static void | |
2390 | qla2x00_timer(scsi_qla_host_t *ha) | |
2391 | { | |
1da177e4 LT |
2392 | unsigned long cpu_flags = 0; |
2393 | fc_port_t *fcport; | |
1da177e4 LT |
2394 | int start_dpc = 0; |
2395 | int index; | |
2396 | srb_t *sp; | |
f4f051eb | 2397 | int t; |
1da177e4 LT |
2398 | |
2399 | /* | |
2400 | * Ports - Port down timer. | |
2401 | * | |
2402 | * Whenever, a port is in the LOST state we start decrementing its port | |
2403 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2404 | * the port it marked DEAD. |
1da177e4 LT |
2405 | */ |
2406 | t = 0; | |
2407 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2408 | if (fcport->port_type != FCT_TARGET) | |
2409 | continue; | |
2410 | ||
2411 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2412 | ||
2413 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2414 | continue; | |
2415 | ||
fa2a1ce5 | 2416 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2417 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2418 | |
1da177e4 | 2419 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2420 | "%d remaining\n", |
1da177e4 LT |
2421 | ha->host_no, |
2422 | t, atomic_read(&fcport->port_down_timer))); | |
2423 | } | |
2424 | t++; | |
2425 | } /* End of for fcport */ | |
2426 | ||
1da177e4 LT |
2427 | |
2428 | /* Loop down handler. */ | |
2429 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2430 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2431 | ||
2432 | if (atomic_read(&ha->loop_down_timer) == | |
2433 | ha->loop_down_abort_time) { | |
2434 | ||
2435 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2436 | "queues before time expire\n", | |
2437 | ha->host_no)); | |
2438 | ||
2439 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2440 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2441 | |
2442 | /* Schedule an ISP abort to return any tape commands. */ | |
2443 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2444 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2445 | index++) { | |
bdf79621 AV |
2446 | fc_port_t *sfcp; |
2447 | ||
1da177e4 LT |
2448 | sp = ha->outstanding_cmds[index]; |
2449 | if (!sp) | |
2450 | continue; | |
bdf79621 AV |
2451 | sfcp = sp->fcport; |
2452 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2453 | continue; |
2454 | ||
2455 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2456 | break; | |
2457 | } | |
2458 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2459 | ||
2460 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2461 | start_dpc++; | |
2462 | } | |
2463 | ||
2464 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2465 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2466 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2467 | "restarting queues.\n", | |
2468 | ha->host_no)); | |
2469 | ||
2470 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2471 | start_dpc++; | |
2472 | ||
2473 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2474 | DEBUG(printk("scsi(%ld): Loop down - " | |
2475 | "aborting ISP.\n", | |
2476 | ha->host_no)); | |
2477 | qla_printk(KERN_WARNING, ha, | |
2478 | "Loop down - aborting ISP.\n"); | |
2479 | ||
2480 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2481 | } | |
2482 | } | |
fca29703 | 2483 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2484 | ha->host_no, |
2485 | atomic_read(&ha->loop_down_timer))); | |
2486 | } | |
2487 | ||
1da177e4 LT |
2488 | /* Schedule the DPC routine if needed */ |
2489 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2490 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
2491 | start_dpc || | |
2492 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2493 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2494 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
2495 | ha->dpc_wait && !ha->dpc_active) { | |
2496 | ||
2497 | up(ha->dpc_wait); | |
2498 | } | |
2499 | ||
2500 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2501 | } | |
2502 | ||
1da177e4 LT |
2503 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2504 | int | |
2505 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2506 | { | |
2507 | const unsigned int step = HZ/10; | |
2508 | ||
2509 | do { | |
2510 | if (!down_trylock(sema)) | |
2511 | return 0; | |
2512 | set_current_state(TASK_INTERRUPTIBLE); | |
2513 | if (schedule_timeout(step)) | |
2514 | break; | |
2515 | } while ((timeout -= step) > 0); | |
2516 | ||
2517 | return -ETIMEDOUT; | |
2518 | } | |
2519 | ||
fca29703 AV |
2520 | static struct qla_board_info qla_board_tbl[] = { |
2521 | { | |
2522 | .drv_name = "qla2400", | |
2523 | .isp_name = "ISP2422", | |
2524 | .fw_fname = "ql2400_fw.bin", | |
2525 | .sht = &qla24xx_driver_template, | |
2526 | }, | |
2527 | { | |
2528 | .drv_name = "qla2400", | |
2529 | .isp_name = "ISP2432", | |
2530 | .fw_fname = "ql2400_fw.bin", | |
2531 | .sht = &qla24xx_driver_template, | |
2532 | }, | |
2533 | }; | |
2534 | ||
2535 | static struct pci_device_id qla2xxx_pci_tbl[] = { | |
2536 | { | |
2537 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2538 | .device = PCI_DEVICE_ID_QLOGIC_ISP2422, | |
2539 | .subvendor = PCI_ANY_ID, | |
2540 | .subdevice = PCI_ANY_ID, | |
2541 | .driver_data = (unsigned long)&qla_board_tbl[0], | |
2542 | }, | |
2543 | { | |
2544 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2545 | .device = PCI_DEVICE_ID_QLOGIC_ISP2432, | |
2546 | .subvendor = PCI_ANY_ID, | |
2547 | .subdevice = PCI_ANY_ID, | |
2548 | .driver_data = (unsigned long)&qla_board_tbl[1], | |
2549 | }, | |
2550 | {0, 0}, | |
2551 | }; | |
2552 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2553 | ||
2554 | static int __devinit | |
2555 | qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
2556 | { | |
2557 | return qla2x00_probe_one(pdev, | |
2558 | (struct qla_board_info *)id->driver_data); | |
2559 | } | |
2560 | ||
2561 | static void __devexit | |
2562 | qla2xxx_remove_one(struct pci_dev *pdev) | |
2563 | { | |
2564 | qla2x00_remove_one(pdev); | |
2565 | } | |
2566 | ||
2567 | static struct pci_driver qla2xxx_pci_driver = { | |
2568 | .name = "qla2xxx", | |
2569 | .id_table = qla2xxx_pci_tbl, | |
2570 | .probe = qla2xxx_probe_one, | |
2571 | .remove = __devexit_p(qla2xxx_remove_one), | |
2572 | }; | |
2573 | ||
1da177e4 LT |
2574 | /** |
2575 | * qla2x00_module_init - Module initialization. | |
2576 | **/ | |
2577 | static int __init | |
2578 | qla2x00_module_init(void) | |
2579 | { | |
fca29703 AV |
2580 | int ret = 0; |
2581 | ||
1da177e4 | 2582 | /* Allocate cache for SRBs. */ |
354d6b21 | 2583 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2584 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2585 | if (srb_cachep == NULL) { | |
2586 | printk(KERN_ERR | |
2587 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2588 | return -ENOMEM; | |
2589 | } | |
2590 | ||
2591 | /* Derive version string. */ | |
2592 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
2593 | #if DEBUG_QLA2100 | |
2594 | strcat(qla2x00_version_str, "-debug"); | |
2595 | #endif | |
1c97a12a AV |
2596 | qla2xxx_transport_template = |
2597 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2598 | if (!qla2xxx_transport_template) |
2599 | return -ENODEV; | |
2600 | ||
2601 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
fca29703 AV |
2602 | ret = pci_module_init(&qla2xxx_pci_driver); |
2603 | if (ret) { | |
2604 | kmem_cache_destroy(srb_cachep); | |
2605 | fc_release_transport(qla2xxx_transport_template); | |
2606 | } | |
2607 | return ret; | |
1da177e4 LT |
2608 | } |
2609 | ||
2610 | /** | |
2611 | * qla2x00_module_exit - Module cleanup. | |
2612 | **/ | |
2613 | static void __exit | |
2614 | qla2x00_module_exit(void) | |
2615 | { | |
fca29703 | 2616 | pci_unregister_driver(&qla2xxx_pci_driver); |
354d6b21 | 2617 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2618 | fc_release_transport(qla2xxx_transport_template); |
2619 | } | |
2620 | ||
2621 | module_init(qla2x00_module_init); | |
2622 | module_exit(qla2x00_module_exit); | |
2623 | ||
2624 | MODULE_AUTHOR("QLogic Corporation"); | |
2625 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2626 | MODULE_LICENSE("GPL"); | |
2627 | MODULE_VERSION(QLA2XXX_VERSION); |