blob: 3954ed2d7b517acbd183f30049625bf43a3750b2 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Andrew Vasquezfa90c542005-10-27 11:10:08 -07002 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Andrew Vasquezfa90c542005-10-27 11:10:08 -07005 * See LICENSE.qla2xxx for copyright and licensing details.
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <linux/delay.h>
Christoph Hellwig39a11242006-02-14 18:46:22 +010012#include <linux/kthread.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070013
14#include <scsi/scsi_tcq.h>
15#include <scsi/scsicam.h>
16#include <scsi/scsi_transport.h>
17#include <scsi/scsi_transport_fc.h>
18
19/*
20 * Driver version
21 */
22char qla2x00_version_str[40];
23
24/*
25 * SRB allocation cache
26 */
Christoph Lametere18b8902006-12-06 20:33:20 -080027static struct kmem_cache *srb_cachep;
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29/*
30 * Ioctl related information.
31 */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -070032int num_hosts;
Linus Torvalds1da177e2005-04-16 15:20:36 -070033int ql2xlogintimeout = 20;
34module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
35MODULE_PARM_DESC(ql2xlogintimeout,
36 "Login timeout value in seconds.");
37
Andrew Vasqueza7b61842007-05-07 07:42:59 -070038int qlport_down_retry;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
40MODULE_PARM_DESC(qlport_down_retry,
Jesper Juhl900d9f92006-06-30 02:33:07 -070041 "Maximum number of command retries to a port that returns "
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 "a PORT-DOWN status.");
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044int ql2xplogiabsentdevice;
45module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
46MODULE_PARM_DESC(ql2xplogiabsentdevice,
47 "Option to enable PLOGI to devices that are not present after "
Jesper Juhl900d9f92006-06-30 02:33:07 -070048 "a Fabric scan. This is needed for several broken switches. "
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
50
Linus Torvalds1da177e2005-04-16 15:20:36 -070051int ql2xloginretrycount = 0;
52module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
53MODULE_PARM_DESC(ql2xloginretrycount,
54 "Specify an alternate value for the NVRAM login retry count.");
55
Andrew Vasqueza7a167b2006-06-23 16:10:29 -070056int ql2xallocfwdump = 1;
57module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
58MODULE_PARM_DESC(ql2xallocfwdump,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
62
Andrew Vasquez11010fe2006-10-06 09:54:59 -070063int ql2xextended_error_logging;
Andrew Vasquez27d94032007-03-12 10:41:30 -070064module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
Andrew Vasquez11010fe2006-10-06 09:54:59 -070065MODULE_PARM_DESC(ql2xextended_error_logging,
Andrew Vasquez01819442006-06-23 16:11:10 -070066 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
68
Linus Torvalds1da177e2005-04-16 15:20:36 -070069static void qla2x00_free_device(scsi_qla_host_t *);
70
71static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
72
Andrew Vasquezcca53352005-08-26 19:08:30 -070073int ql2xfdmienable;
74module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
75MODULE_PARM_DESC(ql2xfdmienable,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
78
Andrew Vasquezdf7baa52006-10-13 09:33:39 -070079#define MAX_Q_DEPTH 32
80static int ql2xmaxqdepth = MAX_Q_DEPTH;
81module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xmaxqdepth,
83 "Maximum queue depth to report for target devices.");
84
85int ql2xqfullrampup = 120;
86module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
87MODULE_PARM_DESC(ql2xqfullrampup,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
91
Linus Torvalds1da177e2005-04-16 15:20:36 -070092/*
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -070093 * SCSI host template entry points
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 */
95static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051e2005-04-17 15:02:26 -050096static int qla2xxx_slave_alloc(struct scsi_device *);
Andrew Vasquez1e99e332006-11-22 08:24:48 -080097static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
98static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051e2005-04-17 15:02:26 -050099static void qla2xxx_slave_destroy(struct scsi_device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
101 void (*fn)(struct scsi_cmnd *));
Andrew Vasquezfca29702005-07-06 10:31:47 -0700102static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
103 void (*fn)(struct scsi_cmnd *));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104static int qla2xxx_eh_abort(struct scsi_cmnd *);
105static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
106static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
107static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
109
Andrew Vasquezce7e4af2005-08-26 19:09:30 -0700110static int qla2x00_change_queue_depth(struct scsi_device *, int);
111static int qla2x00_change_queue_type(struct scsi_device *, int);
112
Adrian Bunka824ebb2008-01-17 09:02:15 -0800113static struct scsi_host_template qla2x00_driver_template = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 .module = THIS_MODULE,
Andrew Vasquezcb630672006-05-17 15:09:45 -0700115 .name = QLA2XXX_DRIVER_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 .queuecommand = qla2x00_queuecommand,
117
118 .eh_abort_handler = qla2xxx_eh_abort,
119 .eh_device_reset_handler = qla2xxx_eh_device_reset,
120 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
121 .eh_host_reset_handler = qla2xxx_eh_host_reset,
122
123 .slave_configure = qla2xxx_slave_configure,
124
f4f051e2005-04-17 15:02:26 -0500125 .slave_alloc = qla2xxx_slave_alloc,
126 .slave_destroy = qla2xxx_slave_destroy,
Andrew Vasquez1e99e332006-11-22 08:24:48 -0800127 .scan_finished = qla2xxx_scan_finished,
128 .scan_start = qla2xxx_scan_start,
Andrew Vasquezce7e4af2005-08-26 19:09:30 -0700129 .change_queue_depth = qla2x00_change_queue_depth,
130 .change_queue_type = qla2x00_change_queue_type,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 .this_id = -1,
132 .cmd_per_lun = 3,
133 .use_clustering = ENABLE_CLUSTERING,
134 .sg_tablesize = SG_ALL,
135
136 /*
137 * The RISC allows for each command to transfer (2^32-1) bytes of data,
138 * which equates to 0x800000 sectors.
139 */
140 .max_sectors = 0xFFFF,
Andrew Vasquezafb046e2005-08-26 19:09:40 -0700141 .shost_attrs = qla2x00_host_attrs,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142};
143
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700144struct scsi_host_template qla24xx_driver_template = {
Andrew Vasquezfca29702005-07-06 10:31:47 -0700145 .module = THIS_MODULE,
Andrew Vasquezcb630672006-05-17 15:09:45 -0700146 .name = QLA2XXX_DRIVER_NAME,
Andrew Vasquezfca29702005-07-06 10:31:47 -0700147 .queuecommand = qla24xx_queuecommand,
148
149 .eh_abort_handler = qla2xxx_eh_abort,
150 .eh_device_reset_handler = qla2xxx_eh_device_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
Andrew Vasquezed677082007-03-12 10:41:27 -0700158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
Andrew Vasquezce7e4af2005-08-26 19:09:30 -0700160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
Andrew Vasquezfca29702005-07-06 10:31:47 -0700162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
Andrew Vasquezafb046e2005-08-26 19:09:40 -0700168 .shost_attrs = qla2x00_host_attrs,
Andrew Vasquezfca29702005-07-06 10:31:47 -0700169};
170
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171static struct scsi_transport_template *qla2xxx_transport_template = NULL;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700172struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174/* TODO Convert to inlines
175 *
176 * Timer routines
177 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700179__inline__ void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
181{
182 init_timer(&ha->timer);
183 ha->timer.expires = jiffies + interval * HZ;
184 ha->timer.data = (unsigned long)ha;
185 ha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&ha->timer);
187 ha->timer_active = 1;
188}
189
190static inline void
191qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
192{
193 mod_timer(&ha->timer, jiffies + interval * HZ);
194}
195
Adrian Bunka824ebb2008-01-17 09:02:15 -0800196static __inline__ void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197qla2x00_stop_timer(scsi_qla_host_t *ha)
198{
199 del_timer_sync(&ha->timer);
200 ha->timer_active = 0;
201}
202
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203static int qla2x00_do_dpc(void *data);
204
205static void qla2x00_rst_aen(scsi_qla_host_t *);
206
Adrian Bunka824ebb2008-01-17 09:02:15 -0800207static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
208static void qla2x00_mem_free(scsi_qla_host_t *ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
210static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051e2005-04-17 15:02:26 -0500211static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213/* -------------------------------------------------------------------------- */
214
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215static char *
Andrew Vasquezabbd8872005-07-06 10:30:05 -0700216qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217{
218 static char *pci_bus_modes[] = {
219 "33", "66", "100", "133",
220 };
221 uint16_t pci_bus;
222
223 strcpy(str, "PCI");
224 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
225 if (pci_bus) {
226 strcat(str, "-X (");
227 strcat(str, pci_bus_modes[pci_bus]);
228 } else {
229 pci_bus = (ha->pci_attr & BIT_8) >> 8;
230 strcat(str, " (");
231 strcat(str, pci_bus_modes[pci_bus]);
232 }
233 strcat(str, " MHz)");
234
235 return (str);
236}
237
Andrew Vasquezfca29702005-07-06 10:31:47 -0700238static char *
239qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
240{
241 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
242 uint32_t pci_bus;
243 int pcie_reg;
244
245 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
246 if (pcie_reg) {
247 char lwstr[6];
248 uint16_t pcie_lstat, lspeed, lwidth;
249
250 pcie_reg += 0x12;
251 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
252 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
253 lwidth = (pcie_lstat &
254 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
255
256 strcpy(str, "PCIe (");
257 if (lspeed == 1)
258 strcat(str, "2.5Gb/s ");
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -0700259 else if (lspeed == 2)
260 strcat(str, "5.0Gb/s ");
Andrew Vasquezfca29702005-07-06 10:31:47 -0700261 else
262 strcat(str, "<unknown> ");
263 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
264 strcat(str, lwstr);
265
266 return str;
267 }
268
269 strcpy(str, "PCI");
270 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
271 if (pci_bus == 0 || pci_bus == 8) {
272 strcat(str, " (");
273 strcat(str, pci_bus_modes[pci_bus >> 3]);
274 } else {
275 strcat(str, "-X ");
276 if (pci_bus & BIT_2)
277 strcat(str, "Mode 2");
278 else
279 strcat(str, "Mode 1");
280 strcat(str, " (");
281 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
282 }
283 strcat(str, " MHz)");
284
285 return str;
286}
287
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800288static char *
Andrew Vasquezabbd8872005-07-06 10:30:05 -0700289qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290{
291 char un_str[10];
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700292
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
294 ha->fw_minor_version,
295 ha->fw_subminor_version);
296
297 if (ha->fw_attributes & BIT_9) {
298 strcat(str, "FLX");
299 return (str);
300 }
301
302 switch (ha->fw_attributes & 0xFF) {
303 case 0x7:
304 strcat(str, "EF");
305 break;
306 case 0x17:
307 strcat(str, "TP");
308 break;
309 case 0x37:
310 strcat(str, "IP");
311 break;
312 case 0x77:
313 strcat(str, "VI");
314 break;
315 default:
316 sprintf(un_str, "(%x)", ha->fw_attributes);
317 strcat(str, un_str);
318 break;
319 }
320 if (ha->fw_attributes & 0x100)
321 strcat(str, "X");
322
323 return (str);
324}
325
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800326static char *
Andrew Vasquezfca29702005-07-06 10:31:47 -0700327qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
328{
Andrew Vasquezf0883ac2005-07-08 17:58:43 -0700329 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
330 ha->fw_minor_version,
331 ha->fw_subminor_version);
332
Andrew Vasquezfca29702005-07-06 10:31:47 -0700333 if (ha->fw_attributes & BIT_0)
334 strcat(str, "[Class 2] ");
335 if (ha->fw_attributes & BIT_1)
336 strcat(str, "[IP] ");
337 if (ha->fw_attributes & BIT_2)
338 strcat(str, "[Multi-ID] ");
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -0700339 if (ha->fw_attributes & BIT_3)
340 strcat(str, "[SB-2] ");
341 if (ha->fw_attributes & BIT_4)
342 strcat(str, "[T10 CRC] ");
343 if (ha->fw_attributes & BIT_5)
344 strcat(str, "[VI] ");
Andrew Vasquezfca29702005-07-06 10:31:47 -0700345 if (ha->fw_attributes & BIT_13)
346 strcat(str, "[Experimental]");
347 return str;
Andrew Vasquezfca29702005-07-06 10:31:47 -0700348}
349
350static inline srb_t *
351qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
352 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
353{
354 srb_t *sp;
355
356 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
357 if (!sp)
358 return sp;
359
Andrew Vasquezfca29702005-07-06 10:31:47 -0700360 sp->ha = ha;
361 sp->fcport = fcport;
362 sp->cmd = cmd;
363 sp->flags = 0;
364 CMD_SP(cmd) = (void *)sp;
365 cmd->scsi_done = done;
366
367 return sp;
368}
369
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370static int
f4f051e2005-04-17 15:02:26 -0500371qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700373 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79622005-04-17 15:06:53 -0500374 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -0400375 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051e2005-04-17 15:02:26 -0500376 srb_t *sp;
377 int rval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378
Seokmann Ju14e660e2007-09-20 14:07:36 -0700379 if (unlikely(pci_channel_offline(ha->pdev))) {
380 cmd->result = DID_REQUEUE << 16;
381 goto qc_fail_command;
382 }
383
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -0400384 rval = fc_remote_port_chkready(rport);
385 if (rval) {
386 cmd->result = rval;
f4f051e2005-04-17 15:02:26 -0500387 goto qc_fail_command;
388 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389
andrew.vasquez@qlogic.com387f96b2006-02-07 08:45:45 -0800390 /* Close window on fcport/rport state-transitioning. */
391 if (!*(fc_port_t **)rport->dd_data) {
392 cmd->result = DID_IMM_RETRY << 16;
393 goto qc_fail_command;
394 }
395
f4f051e2005-04-17 15:02:26 -0500396 if (atomic_read(&fcport->state) != FCS_ONLINE) {
397 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
398 atomic_read(&ha->loop_state) == LOOP_DEAD) {
399 cmd->result = DID_NO_CONNECT << 16;
400 goto qc_fail_command;
401 }
402 goto qc_host_busy;
403 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404
405 spin_unlock_irq(ha->host->host_lock);
406
Andrew Vasquezfca29702005-07-06 10:31:47 -0700407 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
408 if (!sp)
f4f051e2005-04-17 15:02:26 -0500409 goto qc_host_busy_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410
f4f051e2005-04-17 15:02:26 -0500411 rval = qla2x00_start_scsi(sp);
412 if (rval != QLA_SUCCESS)
413 goto qc_host_busy_free_sp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415 spin_lock_irq(ha->host->host_lock);
416
f4f051e2005-04-17 15:02:26 -0500417 return 0;
418
419qc_host_busy_free_sp:
420 qla2x00_sp_free_dma(ha, sp);
f4f051e2005-04-17 15:02:26 -0500421 mempool_free(sp, ha->srb_mempool);
422
423qc_host_busy_lock:
424 spin_lock_irq(ha->host->host_lock);
425
426qc_host_busy:
427 return SCSI_MLQUEUE_HOST_BUSY;
428
429qc_fail_command:
430 done(cmd);
431
432 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433}
434
Andrew Vasquezfca29702005-07-06 10:31:47 -0700435
436static int
437qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
438{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700439 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
Andrew Vasquezfca29702005-07-06 10:31:47 -0700440 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -0400441 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
Andrew Vasquezfca29702005-07-06 10:31:47 -0700442 srb_t *sp;
443 int rval;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700444 scsi_qla_host_t *pha = to_qla_parent(ha);
Andrew Vasquezfca29702005-07-06 10:31:47 -0700445
Seokmann Ju14e660e2007-09-20 14:07:36 -0700446 if (unlikely(pci_channel_offline(ha->pdev))) {
447 cmd->result = DID_REQUEUE << 16;
448 goto qc24_fail_command;
449 }
450
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -0400451 rval = fc_remote_port_chkready(rport);
452 if (rval) {
453 cmd->result = rval;
Andrew Vasquezfca29702005-07-06 10:31:47 -0700454 goto qc24_fail_command;
455 }
456
andrew.vasquez@qlogic.com387f96b2006-02-07 08:45:45 -0800457 /* Close window on fcport/rport state-transitioning. */
458 if (!*(fc_port_t **)rport->dd_data) {
459 cmd->result = DID_IMM_RETRY << 16;
460 goto qc24_fail_command;
461 }
462
Andrew Vasquezfca29702005-07-06 10:31:47 -0700463 if (atomic_read(&fcport->state) != FCS_ONLINE) {
464 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700465 atomic_read(&pha->loop_state) == LOOP_DEAD) {
Andrew Vasquezfca29702005-07-06 10:31:47 -0700466 cmd->result = DID_NO_CONNECT << 16;
467 goto qc24_fail_command;
468 }
469 goto qc24_host_busy;
470 }
471
472 spin_unlock_irq(ha->host->host_lock);
473
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700474 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
Andrew Vasquezfca29702005-07-06 10:31:47 -0700475 if (!sp)
476 goto qc24_host_busy_lock;
477
478 rval = qla24xx_start_scsi(sp);
479 if (rval != QLA_SUCCESS)
480 goto qc24_host_busy_free_sp;
481
482 spin_lock_irq(ha->host->host_lock);
483
484 return 0;
485
486qc24_host_busy_free_sp:
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700487 qla2x00_sp_free_dma(pha, sp);
488 mempool_free(sp, pha->srb_mempool);
Andrew Vasquezfca29702005-07-06 10:31:47 -0700489
490qc24_host_busy_lock:
491 spin_lock_irq(ha->host->host_lock);
492
493qc24_host_busy:
494 return SCSI_MLQUEUE_HOST_BUSY;
495
496qc24_fail_command:
497 done(cmd);
498
499 return 0;
500}
501
502
Linus Torvalds1da177e2005-04-16 15:20:36 -0700503/*
504 * qla2x00_eh_wait_on_command
505 * Waits for the command to be returned by the Firmware for some
506 * max time.
507 *
508 * Input:
509 * ha = actual ha whose done queue will contain the command
510 * returned by firmware.
511 * cmd = Scsi Command to wait on.
512 * flag = Abort/Reset(Bus or Device Reset)
513 *
514 * Return:
515 * Not Found : 0
516 * Found : 1
517 */
518static int
519qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
520{
Andrew Vasquezfe74c712005-08-26 19:10:10 -0700521#define ABORT_POLLING_PERIOD 1000
522#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051e2005-04-17 15:02:26 -0500523 unsigned long wait_iter = ABORT_WAIT_ITER;
524 int ret = QLA_SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525
f4f051e2005-04-17 15:02:26 -0500526 while (CMD_SP(cmd)) {
Andrew Vasquezfe74c712005-08-26 19:10:10 -0700527 msleep(ABORT_POLLING_PERIOD);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528
f4f051e2005-04-17 15:02:26 -0500529 if (--wait_iter)
530 break;
531 }
532 if (CMD_SP(cmd))
533 ret = QLA_FUNCTION_FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534
f4f051e2005-04-17 15:02:26 -0500535 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700536}
537
538/*
539 * qla2x00_wait_for_hba_online
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700540 * Wait till the HBA is online after going through
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541 * <= MAX_RETRIES_OF_ISP_ABORT or
542 * finally HBA is disabled ie marked offline
543 *
544 * Input:
545 * ha - pointer to host adapter structure
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700546 *
547 * Note:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548 * Does context switching-Release SPIN_LOCK
549 * (if any) before calling this routine.
550 *
551 * Return:
552 * Success (Adapter is online) : 0
553 * Failed (Adapter is offline/disabled) : 1
554 */
andrew.vasquez@qlogic.com854165f2006-01-31 16:05:17 -0800555int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
557{
Andrew Vasquezfca29702005-07-06 10:31:47 -0700558 int return_status;
559 unsigned long wait_online;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700560 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700562 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700563 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
564 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
565 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
566 pha->dpc_active) && time_before(jiffies, wait_online)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567
568 msleep(1000);
569 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700570 if (pha->flags.online)
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700571 return_status = QLA_SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572 else
573 return_status = QLA_FUNCTION_FAILED;
574
575 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
576
577 return (return_status);
578}
579
580/*
581 * qla2x00_wait_for_loop_ready
582 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700583 * to be in LOOP_READY state.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 * Input:
585 * ha - pointer to host adapter structure
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700586 *
587 * Note:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588 * Does context switching-Release SPIN_LOCK
589 * (if any) before calling this routine.
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700590 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591 *
592 * Return:
593 * Success (LOOP_READY) : 0
594 * Failed (LOOP_NOT_READY) : 1
595 */
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700596static inline int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
598{
599 int return_status = QLA_SUCCESS;
600 unsigned long loop_timeout ;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700601 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602
603 /* wait for 5 min at the max for loop to be ready */
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700604 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700606 while ((!atomic_read(&pha->loop_down_timer) &&
607 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
608 atomic_read(&pha->loop_state) != LOOP_READY) {
609 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
Ravi Anand57680082006-05-17 15:08:44 -0700610 return_status = QLA_FUNCTION_FAILED;
611 break;
612 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700613 msleep(1000);
614 if (time_after_eq(jiffies, loop_timeout)) {
615 return_status = QLA_FUNCTION_FAILED;
616 break;
617 }
618 }
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700619 return (return_status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620}
621
Andrew Vasquez07db5182006-10-02 12:00:49 -0700622static void
623qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
624{
625 struct Scsi_Host *shost = cmnd->device->host;
626 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
627 unsigned long flags;
628
629 spin_lock_irqsave(shost->host_lock, flags);
630 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
631 spin_unlock_irqrestore(shost->host_lock, flags);
632 msleep(1000);
633 spin_lock_irqsave(shost->host_lock, flags);
634 }
635 spin_unlock_irqrestore(shost->host_lock, flags);
636 return;
637}
638
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639/**************************************************************************
640* qla2xxx_eh_abort
641*
642* Description:
643* The abort function will abort the specified command.
644*
645* Input:
646* cmd = Linux SCSI command packet to be aborted.
647*
648* Returns:
649* Either SUCCESS or FAILED.
650*
651* Note:
Michael Reed2ea00202006-04-27 16:25:30 -0700652* Only return FAILED if command not returned by firmware.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653**************************************************************************/
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800654static int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655qla2xxx_eh_abort(struct scsi_cmnd *cmd)
656{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700657 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051e2005-04-17 15:02:26 -0500658 srb_t *sp;
659 int ret, i;
660 unsigned int id, lun;
661 unsigned long serial;
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700662 unsigned long flags;
Michael Reed2ea00202006-04-27 16:25:30 -0700663 int wait = 0;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700664 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700665
Andrew Vasquez07db5182006-10-02 12:00:49 -0700666 qla2x00_block_error_handler(cmd);
667
f4f051e2005-04-17 15:02:26 -0500668 if (!CMD_SP(cmd))
Michael Reed2ea00202006-04-27 16:25:30 -0700669 return SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670
Michael Reed2ea00202006-04-27 16:25:30 -0700671 ret = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672
f4f051e2005-04-17 15:02:26 -0500673 id = cmd->device->id;
674 lun = cmd->device->lun;
675 serial = cmd->serial_number;
676
677 /* Check active list for command command. */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700678 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051e2005-04-17 15:02:26 -0500679 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700680 sp = pha->outstanding_cmds[i];
f4f051e2005-04-17 15:02:26 -0500681
682 if (sp == NULL)
683 continue;
684
685 if (sp->cmd != cmd)
686 continue;
687
Andrew Vasquez75bc4192006-05-17 15:09:22 -0700688 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
689 __func__, ha->host_no, sp, serial));
Andrew Vasquez744f11fd2006-06-23 16:11:05 -0700690 DEBUG3(qla2x00_print_scsi_cmd(cmd));
f4f051e2005-04-17 15:02:26 -0500691
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700692 spin_unlock_irqrestore(&pha->hardware_lock, flags);
Andrew Vasquezfd34f552007-07-19 15:06:00 -0700693 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051e2005-04-17 15:02:26 -0500694 DEBUG2(printk("%s(%ld): abort_command "
695 "mbx failed.\n", __func__, ha->host_no));
696 } else {
697 DEBUG3(printk("%s(%ld): abort_command "
698 "mbx success.\n", __func__, ha->host_no));
Michael Reed2ea00202006-04-27 16:25:30 -0700699 wait = 1;
f4f051e2005-04-17 15:02:26 -0500700 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700701 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051e2005-04-17 15:02:26 -0500702
703 break;
704 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700705 spin_unlock_irqrestore(&pha->hardware_lock, flags);
f4f051e2005-04-17 15:02:26 -0500706
707 /* Wait for the command to be returned. */
Michael Reed2ea00202006-04-27 16:25:30 -0700708 if (wait) {
f4f051e2005-04-17 15:02:26 -0500709 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700710 qla_printk(KERN_ERR, ha,
f4f051e2005-04-17 15:02:26 -0500711 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
712 "%x.\n", ha->host_no, id, lun, serial, ret);
Michael Reed2ea00202006-04-27 16:25:30 -0700713 ret = FAILED;
f4f051e2005-04-17 15:02:26 -0500714 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700717 qla_printk(KERN_INFO, ha,
Michael Reed2ea00202006-04-27 16:25:30 -0700718 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
719 ha->host_no, id, lun, wait, serial, ret);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720
f4f051e2005-04-17 15:02:26 -0500721 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722}
723
724/**************************************************************************
725* qla2x00_eh_wait_for_pending_target_commands
726*
727* Description:
728* Waits for all the commands to come back from the specified target.
729*
730* Input:
731* ha - pointer to scsi_qla_host structure.
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700732* t - target
Linus Torvalds1da177e2005-04-16 15:20:36 -0700733* Returns:
734* Either SUCCESS or FAILED.
735*
736* Note:
737**************************************************************************/
738static int
739qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
740{
741 int cnt;
742 int status;
743 srb_t *sp;
744 struct scsi_cmnd *cmd;
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700745 unsigned long flags;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700746 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747
748 status = 0;
749
750 /*
751 * Waiting for all commands for the designated target in the active
752 * array
753 */
754 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700755 spin_lock_irqsave(&pha->hardware_lock, flags);
756 sp = pha->outstanding_cmds[cnt];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757 if (sp) {
758 cmd = sp->cmd;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700759 spin_unlock_irqrestore(&pha->hardware_lock, flags);
760 if (cmd->device->id == t &&
761 ha->vp_idx == sp->ha->vp_idx) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
763 status = 1;
764 break;
765 }
766 }
f4f051e2005-04-17 15:02:26 -0500767 } else {
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700768 spin_unlock_irqrestore(&pha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 }
770 }
771 return (status);
772}
773
774
775/**************************************************************************
776* qla2xxx_eh_device_reset
777*
778* Description:
779* The device reset function will reset the target and abort any
780* executing commands.
781*
782* NOTE: The use of SP is undefined within this context. Do *NOT*
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700783* attempt to use this value, even if you determine it is
Linus Torvalds1da177e2005-04-16 15:20:36 -0700784* non-null.
785*
786* Input:
787* cmd = Linux SCSI command packet of the command that cause the
788* bus device reset.
789*
790* Returns:
791* SUCCESS/FAILURE (defined as macro in scsi.h).
792*
793**************************************************************************/
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800794static int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
796{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700797 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79622005-04-17 15:06:53 -0500798 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700799 int ret = FAILED;
f4f051e2005-04-17 15:02:26 -0500800 unsigned int id, lun;
801 unsigned long serial;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700802
Andrew Vasquez07db5182006-10-02 12:00:49 -0700803 qla2x00_block_error_handler(cmd);
804
f4f051e2005-04-17 15:02:26 -0500805 id = cmd->device->id;
806 lun = cmd->device->lun;
807 serial = cmd->serial_number;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700808
Vladislav Bolkhovitinb0328be2006-08-01 13:48:15 -0700809 if (!fcport)
f4f051e2005-04-17 15:02:26 -0500810 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700811
812 qla_printk(KERN_INFO, ha,
f4f051e2005-04-17 15:02:26 -0500813 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814
Jeff Garzik 94d0e7b82005-05-28 07:55:48 -0400815 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700816 goto eh_dev_reset_done;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817
818 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051e2005-04-17 15:02:26 -0500819 if (qla2x00_device_reset(ha, fcport) == 0)
820 ret = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821
822#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051e2005-04-17 15:02:26 -0500823 if (ret == SUCCESS) {
824 if (fcport->flags & FC_FABRIC_DEVICE) {
Andrew Vasquezfd34f552007-07-19 15:06:00 -0700825 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -0800826 qla2x00_mark_device_lost(ha, fcport, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700827 }
828 }
829#endif
830 } else {
831 DEBUG2(printk(KERN_INFO
Andrew Vasquez744f11fd2006-06-23 16:11:05 -0700832 "%s failed: loop not ready\n",__func__));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700833 }
834
f4f051e2005-04-17 15:02:26 -0500835 if (ret == FAILED) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700836 DEBUG3(printk("%s(%ld): device reset failed\n",
837 __func__, ha->host_no));
838 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
839 __func__);
840
841 goto eh_dev_reset_done;
842 }
843
Andrew Vasquez9a41a622005-09-20 13:25:53 -0700844 /* Flush outstanding commands. */
845 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
846 ret = FAILED;
847 if (ret == FAILED) {
848 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
849 __func__, ha->host_no));
850 qla_printk(KERN_INFO, ha,
851 "%s: failed while waiting for commands\n", __func__);
852 } else
853 qla_printk(KERN_INFO, ha,
854 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
855 id, lun);
James Bottomley28f22b02005-10-28 17:22:18 -0500856 eh_dev_reset_done:
f4f051e2005-04-17 15:02:26 -0500857 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700858}
859
860/**************************************************************************
861* qla2x00_eh_wait_for_pending_commands
862*
863* Description:
864* Waits for all the commands to come back from the specified host.
865*
866* Input:
867* ha - pointer to scsi_qla_host structure.
868*
869* Returns:
870* 1 : SUCCESS
871* 0 : FAILED
872*
873* Note:
874**************************************************************************/
875static int
876qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
877{
878 int cnt;
879 int status;
880 srb_t *sp;
881 struct scsi_cmnd *cmd;
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700882 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700883
884 status = 1;
885
886 /*
887 * Waiting for all commands for the designated target in the active
888 * array
889 */
890 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700891 spin_lock_irqsave(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700892 sp = ha->outstanding_cmds[cnt];
893 if (sp) {
894 cmd = sp->cmd;
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700895 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700896 status = qla2x00_eh_wait_on_command(ha, cmd);
897 if (status == 0)
898 break;
899 }
900 else {
Andrew Vasquez18e144d2005-05-27 15:04:47 -0700901 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700902 }
903 }
904 return (status);
905}
906
907
908/**************************************************************************
909* qla2xxx_eh_bus_reset
910*
911* Description:
912* The bus reset function will reset the bus and abort any executing
913* commands.
914*
915* Input:
916* cmd = Linux SCSI command packet of the command that cause the
917* bus reset.
918*
919* Returns:
920* SUCCESS/FAILURE (defined as macro in scsi.h).
921*
922**************************************************************************/
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800923static int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700924qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
925{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700926 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700927 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79622005-04-17 15:06:53 -0500928 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700929 int ret = FAILED;
f4f051e2005-04-17 15:02:26 -0500930 unsigned int id, lun;
931 unsigned long serial;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700932
Andrew Vasquez07db5182006-10-02 12:00:49 -0700933 qla2x00_block_error_handler(cmd);
934
f4f051e2005-04-17 15:02:26 -0500935 id = cmd->device->id;
936 lun = cmd->device->lun;
937 serial = cmd->serial_number;
938
Vladislav Bolkhovitinb0328be2006-08-01 13:48:15 -0700939 if (!fcport)
f4f051e2005-04-17 15:02:26 -0500940 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700941
942 qla_printk(KERN_INFO, ha,
f4f051e2005-04-17 15:02:26 -0500943 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700944
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
946 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051e2005-04-17 15:02:26 -0500947 goto eh_bus_reset_done;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948 }
949
950 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051e2005-04-17 15:02:26 -0500951 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
952 ret = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700953 }
f4f051e2005-04-17 15:02:26 -0500954 if (ret == FAILED)
955 goto eh_bus_reset_done;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700956
Andrew Vasquez9a41a622005-09-20 13:25:53 -0700957 /* Flush outstanding commands. */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700958 if (!qla2x00_eh_wait_for_pending_commands(pha))
Andrew Vasquez9a41a622005-09-20 13:25:53 -0700959 ret = FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700960
f4f051e2005-04-17 15:02:26 -0500961eh_bus_reset_done:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700962 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051e2005-04-17 15:02:26 -0500963 (ret == FAILED) ? "failed" : "succeded");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700964
f4f051e2005-04-17 15:02:26 -0500965 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700966}
967
968/**************************************************************************
969* qla2xxx_eh_host_reset
970*
971* Description:
972* The reset function will reset the Adapter.
973*
974* Input:
975* cmd = Linux SCSI command packet of the command that cause the
976* adapter reset.
977*
978* Returns:
979* Either SUCCESS or FAILED.
980*
981* Note:
982**************************************************************************/
Adrian Bunke5f82ab2006-11-08 19:55:50 -0800983static int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700984qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
985{
Andrew Vasquezf363b942007-09-20 14:07:45 -0700986 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79622005-04-17 15:06:53 -0500987 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700988 int ret = FAILED;
f4f051e2005-04-17 15:02:26 -0500989 unsigned int id, lun;
990 unsigned long serial;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700991 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992
Andrew Vasquez07db5182006-10-02 12:00:49 -0700993 qla2x00_block_error_handler(cmd);
994
f4f051e2005-04-17 15:02:26 -0500995 id = cmd->device->id;
996 lun = cmd->device->lun;
997 serial = cmd->serial_number;
998
Vladislav Bolkhovitinb0328be2006-08-01 13:48:15 -0700999 if (!fcport)
f4f051e2005-04-17 15:02:26 -05001000 return ret;
1001
Linus Torvalds1da177e2005-04-16 15:20:36 -07001002 qla_printk(KERN_INFO, ha,
f4f051e2005-04-17 15:02:26 -05001003 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001004
Linus Torvalds1da177e2005-04-16 15:20:36 -07001005 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051e2005-04-17 15:02:26 -05001006 goto eh_host_reset_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001007
1008 /*
1009 * Fixme-may be dpc thread is active and processing
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07001010 * loop_resync,so wait a while for it to
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011 * be completed and then issue big hammer.Otherwise
1012 * it may cause I/O failure as big hammer marks the
1013 * devices as lost kicking of the port_down_timer
1014 * while dpc is stuck for the mailbox to complete.
1015 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016 qla2x00_wait_for_loop_ready(ha);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001017 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1018 if (qla2x00_abort_isp(pha)) {
1019 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001020 /* failed. schedule dpc to try */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001021 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001022
1023 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051e2005-04-17 15:02:26 -05001024 goto eh_host_reset_lock;
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07001025 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001026 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028 /* Waiting for our command in done_queue to be returned to OS.*/
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001029 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051e2005-04-17 15:02:26 -05001030 ret = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001032 if (ha->parent)
1033 qla2x00_vp_abort_isp(ha);
1034
f4f051e2005-04-17 15:02:26 -05001035eh_host_reset_lock:
f4f051e2005-04-17 15:02:26 -05001036 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1037 (ret == FAILED) ? "failed" : "succeded");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038
f4f051e2005-04-17 15:02:26 -05001039 return ret;
1040}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001041
1042/*
1043* qla2x00_loop_reset
1044* Issue loop reset.
1045*
1046* Input:
1047* ha = adapter block pointer.
1048*
1049* Returns:
1050* 0 = success
1051*/
Andrew Vasqueza4722cf2008-01-17 09:02:12 -08001052int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001053qla2x00_loop_reset(scsi_qla_host_t *ha)
1054{
Andrew Vasquez0c8c39a2006-12-13 19:20:30 -08001055 int ret;
bdf79622005-04-17 15:06:53 -05001056 struct fc_port *fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001057
Andrew Vasquez0c8c39a2006-12-13 19:20:30 -08001058 if (ha->flags.enable_lip_full_login) {
1059 ret = qla2x00_full_login_lip(ha);
1060 if (ret != QLA_SUCCESS) {
1061 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1062 "full_login_lip=%d.\n", __func__, ha->host_no,
1063 ret));
1064 }
1065 atomic_set(&ha->loop_state, LOOP_DOWN);
1066 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1067 qla2x00_mark_all_devices_lost(ha, 0);
1068 qla2x00_wait_for_loop_ready(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001069 }
1070
Andrew Vasquez0c8c39a2006-12-13 19:20:30 -08001071 if (ha->flags.enable_lip_reset) {
1072 ret = qla2x00_lip_reset(ha);
1073 if (ret != QLA_SUCCESS) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1076 }
1077 qla2x00_wait_for_loop_ready(ha);
1078 }
1079
1080 if (ha->flags.enable_target_reset) {
bdf79622005-04-17 15:06:53 -05001081 list_for_each_entry(fcport, &ha->fcports, list) {
1082 if (fcport->port_type != FCT_TARGET)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001083 continue;
1084
Andrew Vasquez0c8c39a2006-12-13 19:20:30 -08001085 ret = qla2x00_device_reset(ha, fcport);
1086 if (ret != QLA_SUCCESS) {
1087 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1088 "target_reset=%d d_id=%x.\n", __func__,
1089 ha->host_no, ret, fcport->d_id.b24));
1090 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091 }
1092 }
1093
Linus Torvalds1da177e2005-04-16 15:20:36 -07001094 /* Issue marker command only when we are going to start the I/O */
1095 ha->marker_needed = 1;
1096
Andrew Vasquez0c8c39a2006-12-13 19:20:30 -08001097 return QLA_SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098}
1099
1100/*
1101 * qla2x00_device_reset
1102 * Issue bus device reset message to the target.
1103 *
1104 * Input:
1105 * ha = adapter block pointer.
1106 * t = SCSI ID.
1107 * TARGET_QUEUE_LOCK must be released.
1108 * ADAPTER_STATE_LOCK must be released.
1109 *
1110 * Context:
1111 * Kernel context.
1112 */
1113static int
1114qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1115{
1116 /* Abort Target command will clear Reservation */
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001117 return ha->isp_ops->abort_target(reset_fcport);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001118}
1119
f4f051e2005-04-17 15:02:26 -05001120static int
1121qla2xxx_slave_alloc(struct scsi_device *sdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122{
bdf79622005-04-17 15:06:53 -05001123 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001124
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -04001125 if (!rport || fc_remote_port_chkready(rport))
f4f051e2005-04-17 15:02:26 -05001126 return -ENXIO;
1127
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -04001128 sdev->hostdata = *(fc_port_t **)rport->dd_data;
f4f051e2005-04-17 15:02:26 -05001129
1130 return 0;
1131}
1132
1133static int
1134qla2xxx_slave_configure(struct scsi_device *sdev)
1135{
Andrew Vasquezf363b942007-09-20 14:07:45 -07001136 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e1182005-04-17 15:04:54 -05001137 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1138
f4f051e2005-04-17 15:02:26 -05001139 if (sdev->tagged_supported)
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07001140 scsi_activate_tcq(sdev, ha->max_q_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001141 else
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07001142 scsi_deactivate_tcq(sdev, ha->max_q_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143
8482e1182005-04-17 15:04:54 -05001144 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1145
f4f051e2005-04-17 15:02:26 -05001146 return 0;
1147}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148
f4f051e2005-04-17 15:02:26 -05001149static void
1150qla2xxx_slave_destroy(struct scsi_device *sdev)
1151{
1152 sdev->hostdata = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001153}
1154
Andrew Vasquezce7e4af2005-08-26 19:09:30 -07001155static int
1156qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1157{
1158 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1159 return sdev->queue_depth;
1160}
1161
1162static int
1163qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1164{
1165 if (sdev->tagged_supported) {
1166 scsi_set_tag_type(sdev, tag_type);
1167 if (tag_type)
1168 scsi_activate_tcq(sdev, sdev->queue_depth);
1169 else
1170 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1171 } else
1172 tag_type = 0;
1173
1174 return tag_type;
1175}
1176
Linus Torvalds1da177e2005-04-16 15:20:36 -07001177/**
1178 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1179 * @ha: HA context
1180 *
1181 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1182 * supported addressing method.
1183 */
1184static void
1185qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1186{
Andrew Vasquez7524f9b2005-08-26 19:08:00 -07001187 /* Assume a 32bit DMA mask. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188 ha->flags.enable_64bit_addressing = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001189
Andrew Vasquez7524f9b2005-08-26 19:08:00 -07001190 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1191 /* Any upper-dword bits set? */
1192 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1193 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1194 /* Ok, a 64bit DMA mask is applicable. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001195 ha->flags.enable_64bit_addressing = 1;
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001196 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1197 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
Andrew Vasquez7524f9b2005-08-26 19:08:00 -07001198 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001199 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001200 }
Andrew Vasquez7524f9b2005-08-26 19:08:00 -07001201
1202 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1203 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204}
1205
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001206static void
1207qla2x00_enable_intrs(scsi_qla_host_t *ha)
1208{
1209 unsigned long flags = 0;
1210 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1211
1212 spin_lock_irqsave(&ha->hardware_lock, flags);
1213 ha->interrupts_on = 1;
1214 /* enable risc and host interrupts */
1215 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1216 RD_REG_WORD(&reg->ictrl);
1217 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1218
1219}
1220
1221static void
1222qla2x00_disable_intrs(scsi_qla_host_t *ha)
1223{
1224 unsigned long flags = 0;
1225 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1226
1227 spin_lock_irqsave(&ha->hardware_lock, flags);
1228 ha->interrupts_on = 0;
1229 /* disable risc and host interrupts */
1230 WRT_REG_WORD(&reg->ictrl, 0);
1231 RD_REG_WORD(&reg->ictrl);
1232 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1233}
1234
1235static void
1236qla24xx_enable_intrs(scsi_qla_host_t *ha)
1237{
1238 unsigned long flags = 0;
1239 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1240
1241 spin_lock_irqsave(&ha->hardware_lock, flags);
1242 ha->interrupts_on = 1;
1243 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1244 RD_REG_DWORD(&reg->ictrl);
1245 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1246}
1247
1248static void
1249qla24xx_disable_intrs(scsi_qla_host_t *ha)
1250{
1251 unsigned long flags = 0;
1252 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1253
1254 spin_lock_irqsave(&ha->hardware_lock, flags);
1255 ha->interrupts_on = 0;
1256 WRT_REG_DWORD(&reg->ictrl, 0);
1257 RD_REG_DWORD(&reg->ictrl);
1258 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1259}
1260
1261static struct isp_operations qla2100_isp_ops = {
1262 .pci_config = qla2100_pci_config,
1263 .reset_chip = qla2x00_reset_chip,
1264 .chip_diag = qla2x00_chip_diag,
1265 .config_rings = qla2x00_config_rings,
1266 .reset_adapter = qla2x00_reset_adapter,
1267 .nvram_config = qla2x00_nvram_config,
1268 .update_fw_options = qla2x00_update_fw_options,
1269 .load_risc = qla2x00_load_risc,
1270 .pci_info_str = qla2x00_pci_info_str,
1271 .fw_version_str = qla2x00_fw_version_str,
1272 .intr_handler = qla2100_intr_handler,
1273 .enable_intrs = qla2x00_enable_intrs,
1274 .disable_intrs = qla2x00_disable_intrs,
1275 .abort_command = qla2x00_abort_command,
1276 .abort_target = qla2x00_abort_target,
1277 .fabric_login = qla2x00_login_fabric,
1278 .fabric_logout = qla2x00_fabric_logout,
1279 .calc_req_entries = qla2x00_calc_iocbs_32,
1280 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1281 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1282 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1283 .read_nvram = qla2x00_read_nvram_data,
1284 .write_nvram = qla2x00_write_nvram_data,
1285 .fw_dump = qla2100_fw_dump,
1286 .beacon_on = NULL,
1287 .beacon_off = NULL,
1288 .beacon_blink = NULL,
1289 .read_optrom = qla2x00_read_optrom_data,
1290 .write_optrom = qla2x00_write_optrom_data,
1291 .get_flash_version = qla2x00_get_flash_version,
1292};
1293
1294static struct isp_operations qla2300_isp_ops = {
1295 .pci_config = qla2300_pci_config,
1296 .reset_chip = qla2x00_reset_chip,
1297 .chip_diag = qla2x00_chip_diag,
1298 .config_rings = qla2x00_config_rings,
1299 .reset_adapter = qla2x00_reset_adapter,
1300 .nvram_config = qla2x00_nvram_config,
1301 .update_fw_options = qla2x00_update_fw_options,
1302 .load_risc = qla2x00_load_risc,
1303 .pci_info_str = qla2x00_pci_info_str,
1304 .fw_version_str = qla2x00_fw_version_str,
1305 .intr_handler = qla2300_intr_handler,
1306 .enable_intrs = qla2x00_enable_intrs,
1307 .disable_intrs = qla2x00_disable_intrs,
1308 .abort_command = qla2x00_abort_command,
1309 .abort_target = qla2x00_abort_target,
1310 .fabric_login = qla2x00_login_fabric,
1311 .fabric_logout = qla2x00_fabric_logout,
1312 .calc_req_entries = qla2x00_calc_iocbs_32,
1313 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1314 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1315 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1316 .read_nvram = qla2x00_read_nvram_data,
1317 .write_nvram = qla2x00_write_nvram_data,
1318 .fw_dump = qla2300_fw_dump,
1319 .beacon_on = qla2x00_beacon_on,
1320 .beacon_off = qla2x00_beacon_off,
1321 .beacon_blink = qla2x00_beacon_blink,
1322 .read_optrom = qla2x00_read_optrom_data,
1323 .write_optrom = qla2x00_write_optrom_data,
1324 .get_flash_version = qla2x00_get_flash_version,
1325};
1326
1327static struct isp_operations qla24xx_isp_ops = {
1328 .pci_config = qla24xx_pci_config,
1329 .reset_chip = qla24xx_reset_chip,
1330 .chip_diag = qla24xx_chip_diag,
1331 .config_rings = qla24xx_config_rings,
1332 .reset_adapter = qla24xx_reset_adapter,
1333 .nvram_config = qla24xx_nvram_config,
1334 .update_fw_options = qla24xx_update_fw_options,
1335 .load_risc = qla24xx_load_risc,
1336 .pci_info_str = qla24xx_pci_info_str,
1337 .fw_version_str = qla24xx_fw_version_str,
1338 .intr_handler = qla24xx_intr_handler,
1339 .enable_intrs = qla24xx_enable_intrs,
1340 .disable_intrs = qla24xx_disable_intrs,
1341 .abort_command = qla24xx_abort_command,
1342 .abort_target = qla24xx_abort_target,
1343 .fabric_login = qla24xx_login_fabric,
1344 .fabric_logout = qla24xx_fabric_logout,
1345 .calc_req_entries = NULL,
1346 .build_iocbs = NULL,
1347 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1348 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1349 .read_nvram = qla24xx_read_nvram_data,
1350 .write_nvram = qla24xx_write_nvram_data,
1351 .fw_dump = qla24xx_fw_dump,
1352 .beacon_on = qla24xx_beacon_on,
1353 .beacon_off = qla24xx_beacon_off,
1354 .beacon_blink = qla24xx_beacon_blink,
1355 .read_optrom = qla24xx_read_optrom_data,
1356 .write_optrom = qla24xx_write_optrom_data,
1357 .get_flash_version = qla24xx_get_flash_version,
1358};
1359
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07001360static struct isp_operations qla25xx_isp_ops = {
1361 .pci_config = qla25xx_pci_config,
1362 .reset_chip = qla24xx_reset_chip,
1363 .chip_diag = qla24xx_chip_diag,
1364 .config_rings = qla24xx_config_rings,
1365 .reset_adapter = qla24xx_reset_adapter,
1366 .nvram_config = qla24xx_nvram_config,
1367 .update_fw_options = qla24xx_update_fw_options,
1368 .load_risc = qla24xx_load_risc,
1369 .pci_info_str = qla24xx_pci_info_str,
1370 .fw_version_str = qla24xx_fw_version_str,
1371 .intr_handler = qla24xx_intr_handler,
1372 .enable_intrs = qla24xx_enable_intrs,
1373 .disable_intrs = qla24xx_disable_intrs,
1374 .abort_command = qla24xx_abort_command,
1375 .abort_target = qla24xx_abort_target,
1376 .fabric_login = qla24xx_login_fabric,
1377 .fabric_logout = qla24xx_fabric_logout,
1378 .calc_req_entries = NULL,
1379 .build_iocbs = NULL,
1380 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1381 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1382 .read_nvram = qla25xx_read_nvram_data,
1383 .write_nvram = qla25xx_write_nvram_data,
1384 .fw_dump = qla25xx_fw_dump,
1385 .beacon_on = qla24xx_beacon_on,
1386 .beacon_off = qla24xx_beacon_off,
1387 .beacon_blink = qla24xx_beacon_blink,
Andrew Vasquez338c9162007-09-20 14:07:33 -07001388 .read_optrom = qla25xx_read_optrom_data,
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07001389 .write_optrom = qla24xx_write_optrom_data,
1390 .get_flash_version = qla24xx_get_flash_version,
1391};
1392
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001393static inline void
1394qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1395{
1396 ha->device_type = DT_EXTENDED_IDS;
1397 switch (ha->pdev->device) {
1398 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1399 ha->device_type |= DT_ISP2100;
1400 ha->device_type &= ~DT_EXTENDED_IDS;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001401 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001402 break;
1403 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1404 ha->device_type |= DT_ISP2200;
1405 ha->device_type &= ~DT_EXTENDED_IDS;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001406 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001407 break;
1408 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1409 ha->device_type |= DT_ISP2300;
andrew.vasquez@qlogic.com4a59f712006-03-09 14:27:39 -08001410 ha->device_type |= DT_ZIO_SUPPORTED;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001411 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001412 break;
1413 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1414 ha->device_type |= DT_ISP2312;
andrew.vasquez@qlogic.com4a59f712006-03-09 14:27:39 -08001415 ha->device_type |= DT_ZIO_SUPPORTED;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001416 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001417 break;
1418 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1419 ha->device_type |= DT_ISP2322;
andrew.vasquez@qlogic.com4a59f712006-03-09 14:27:39 -08001420 ha->device_type |= DT_ZIO_SUPPORTED;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001421 if (ha->pdev->subsystem_vendor == 0x1028 &&
1422 ha->pdev->subsystem_device == 0x0170)
1423 ha->device_type |= DT_OEM_001;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001424 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001425 break;
1426 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1427 ha->device_type |= DT_ISP6312;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001428 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001429 break;
1430 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1431 ha->device_type |= DT_ISP6322;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001432 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001433 break;
1434 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1435 ha->device_type |= DT_ISP2422;
andrew.vasquez@qlogic.com4a59f712006-03-09 14:27:39 -08001436 ha->device_type |= DT_ZIO_SUPPORTED;
Andrew Vasqueze4289242007-07-19 15:05:56 -07001437 ha->device_type |= DT_FWI2;
Andrew Vasquezc76f2c02007-07-19 15:05:57 -07001438 ha->device_type |= DT_IIDMA;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001439 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001440 break;
1441 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1442 ha->device_type |= DT_ISP2432;
andrew.vasquez@qlogic.com4a59f712006-03-09 14:27:39 -08001443 ha->device_type |= DT_ZIO_SUPPORTED;
Andrew Vasqueze4289242007-07-19 15:05:56 -07001444 ha->device_type |= DT_FWI2;
Andrew Vasquezc76f2c02007-07-19 15:05:57 -07001445 ha->device_type |= DT_IIDMA;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001446 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001447 break;
andrew.vasquez@qlogic.com044cc6c2006-03-09 14:27:13 -08001448 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1449 ha->device_type |= DT_ISP5422;
Andrew Vasqueze4289242007-07-19 15:05:56 -07001450 ha->device_type |= DT_FWI2;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001451 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001452 break;
andrew.vasquez@qlogic.com044cc6c2006-03-09 14:27:13 -08001453 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1454 ha->device_type |= DT_ISP5432;
Andrew Vasqueze4289242007-07-19 15:05:56 -07001455 ha->device_type |= DT_FWI2;
Andrew Vasquez441d1072006-05-17 15:09:34 -07001456 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001457 break;
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07001458 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1459 ha->device_type |= DT_ISP2532;
1460 ha->device_type |= DT_ZIO_SUPPORTED;
1461 ha->device_type |= DT_FWI2;
1462 ha->device_type |= DT_IIDMA;
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001463 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1464 break;
1465 }
1466}
1467
Linus Torvalds1da177e2005-04-16 15:20:36 -07001468static int
1469qla2x00_iospace_config(scsi_qla_host_t *ha)
1470{
Andrew Vasquez37765412008-01-17 09:02:09 -08001471 resource_size_t pio;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001472
Andrew Vasquez285d0322007-10-19 15:59:17 -07001473 if (pci_request_selected_regions(ha->pdev, ha->bars,
1474 QLA2XXX_DRIVER_NAME)) {
1475 qla_printk(KERN_WARNING, ha,
1476 "Failed to reserve PIO/MMIO regions (%s)\n",
1477 pci_name(ha->pdev));
1478
1479 goto iospace_error_exit;
1480 }
1481 if (!(ha->bars & 1))
1482 goto skip_pio;
1483
Linus Torvalds1da177e2005-04-16 15:20:36 -07001484 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1485 pio = pci_resource_start(ha->pdev, 0);
Andrew Vasquez37765412008-01-17 09:02:09 -08001486 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1487 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001488 qla_printk(KERN_WARNING, ha,
1489 "Invalid PCI I/O region size (%s)...\n",
1490 pci_name(ha->pdev));
1491 pio = 0;
1492 }
1493 } else {
1494 qla_printk(KERN_WARNING, ha,
1495 "region #0 not a PIO resource (%s)...\n",
1496 pci_name(ha->pdev));
1497 pio = 0;
1498 }
Andrew Vasquez285d0322007-10-19 15:59:17 -07001499 ha->pio_address = pio;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001500
Andrew Vasquez285d0322007-10-19 15:59:17 -07001501skip_pio:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001502 /* Use MMIO operations for all accesses. */
Andrew Vasquez37765412008-01-17 09:02:09 -08001503 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001504 qla_printk(KERN_ERR, ha,
Andrew Vasquez37765412008-01-17 09:02:09 -08001505 "region #1 not an MMIO resource (%s), aborting\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001506 pci_name(ha->pdev));
1507 goto iospace_error_exit;
1508 }
Andrew Vasquez37765412008-01-17 09:02:09 -08001509 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001510 qla_printk(KERN_ERR, ha,
1511 "Invalid PCI mem region size (%s), aborting\n",
1512 pci_name(ha->pdev));
1513 goto iospace_error_exit;
1514 }
1515
Andrew Vasquez37765412008-01-17 09:02:09 -08001516 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001517 if (!ha->iobase) {
1518 qla_printk(KERN_ERR, ha,
1519 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1520
1521 goto iospace_error_exit;
1522 }
1523
1524 return (0);
1525
1526iospace_error_exit:
1527 return (-ENOMEM);
1528}
1529
Andrew Vasquezabbd8872005-07-06 10:30:05 -07001530static void
Andrew Vasquez1e99e332006-11-22 08:24:48 -08001531qla2xxx_scan_start(struct Scsi_Host *shost)
1532{
Andrew Vasquezf363b942007-09-20 14:07:45 -07001533 scsi_qla_host_t *ha = shost_priv(shost);
Andrew Vasquez1e99e332006-11-22 08:24:48 -08001534
1535 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1536 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1537 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1538}
1539
1540static int
1541qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1542{
Andrew Vasquezf363b942007-09-20 14:07:45 -07001543 scsi_qla_host_t *ha = shost_priv(shost);
Andrew Vasquez1e99e332006-11-22 08:24:48 -08001544
1545 if (!ha->host)
1546 return 1;
1547 if (time > ha->loop_reset_delay * HZ)
1548 return 1;
1549
1550 return atomic_read(&ha->loop_state) == LOOP_READY;
1551}
1552
Linus Torvalds1da177e2005-04-16 15:20:36 -07001553/*
1554 * PCI driver interface
1555 */
Andrew Vasquez7ee61392006-06-23 16:11:22 -07001556static int __devinit
1557qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001558{
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001559 int ret = -ENODEV;
Andrew Vasquezfca29702005-07-06 10:31:47 -07001560 device_reg_t __iomem *reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001561 struct Scsi_Host *host;
1562 scsi_qla_host_t *ha;
1563 unsigned long flags = 0;
Andrew Vasquez29856e22007-08-12 18:22:52 -07001564 char pci_info[30];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001565 char fw_str[30];
Andrew Vasquez54333832005-11-09 15:49:04 -08001566 struct scsi_host_template *sht;
Andrew Vasquez285d0322007-10-19 15:59:17 -07001567 int bars;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001568
Andrew Vasquez285d0322007-10-19 15:59:17 -07001569 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1570 sht = &qla2x00_driver_template;
1571 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1572 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1573 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1574 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1575 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1576 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1577 sht = &qla24xx_driver_template;
1578 }
1579
1580 if (pci_enable_device_bars(pdev, bars))
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001581 goto probe_out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001582
Seokmann Ju14e660e2007-09-20 14:07:36 -07001583 if (pci_find_aer_capability(pdev))
1584 if (pci_enable_pcie_error_reporting(pdev))
1585 goto probe_out;
1586
Andrew Vasquez54333832005-11-09 15:49:04 -08001587 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001588 if (host == NULL) {
1589 printk(KERN_WARNING
1590 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1591 goto probe_disable_device;
1592 }
1593
1594 /* Clear our data area */
Andrew Vasquezf363b942007-09-20 14:07:45 -07001595 ha = shost_priv(host);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001596 memset(ha, 0, sizeof(scsi_qla_host_t));
1597
1598 ha->pdev = pdev;
1599 ha->host = host;
1600 ha->host_no = host->host_no;
Andrew Vasquezcb630672006-05-17 15:09:45 -07001601 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001602 ha->parent = NULL;
Andrew Vasquez285d0322007-10-19 15:59:17 -07001603 ha->bars = bars;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001604
andrew.vasquez@qlogic.comea5b6382006-03-09 14:27:08 -08001605 /* Set ISP-type information. */
1606 qla2x00_set_isp_flags(ha);
1607
Linus Torvalds1da177e2005-04-16 15:20:36 -07001608 /* Configure PCI I/O space */
1609 ret = qla2x00_iospace_config(ha);
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001610 if (ret)
1611 goto probe_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001612
Linus Torvalds1da177e2005-04-16 15:20:36 -07001613 qla_printk(KERN_INFO, ha,
Andrew Vasquez54333832005-11-09 15:49:04 -08001614 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1615 ha->iobase);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001616
1617 spin_lock_init(&ha->hardware_lock);
1618
Linus Torvalds1da177e2005-04-16 15:20:36 -07001619 ha->prev_topology = 0;
Andrew Vasquezfca29702005-07-06 10:31:47 -07001620 ha->init_cb_size = sizeof(init_cb_t);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001621 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
Andrew Vasquezd8b45212006-10-02 12:00:43 -07001622 ha->link_data_rate = PORT_SPEED_UNKNOWN;
andrew.vasquez@qlogic.com854165f2006-01-31 16:05:17 -08001623 ha->optrom_size = OPTROM_SIZE_2300;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001624
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07001625 ha->max_q_depth = MAX_Q_DEPTH;
1626 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1627 ha->max_q_depth = ql2xmaxqdepth;
1628
Andrew Vasquezabbd8872005-07-06 10:30:05 -07001629 /* Assign ISP specific operations. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001630 if (IS_QLA2100(ha)) {
Andrew Vasquez 354d6b22005-04-23 02:47:27 -04001631 host->max_id = MAX_TARGETS_2100;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001632 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1633 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1634 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1635 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1636 host->sg_tablesize = 32;
Andrew Vasquezabbd8872005-07-06 10:30:05 -07001637 ha->gid_list_info_size = 4;
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001638 ha->isp_ops = &qla2100_isp_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001639 } else if (IS_QLA2200(ha)) {
Andrew Vasquez 354d6b22005-04-23 02:47:27 -04001640 host->max_id = MAX_TARGETS_2200;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001641 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1642 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1643 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1644 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
Andrew Vasquezabbd8872005-07-06 10:30:05 -07001645 ha->gid_list_info_size = 4;
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001646 ha->isp_ops = &qla2100_isp_ops;
Andrew Vasquezfca29702005-07-06 10:31:47 -07001647 } else if (IS_QLA23XX(ha)) {
Andrew Vasquez 354d6b22005-04-23 02:47:27 -04001648 host->max_id = MAX_TARGETS_2200;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001649 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1650 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1651 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1652 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
Andrew Vasquezabbd8872005-07-06 10:30:05 -07001653 ha->gid_list_info_size = 6;
andrew.vasquez@qlogic.com854165f2006-01-31 16:05:17 -08001654 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1655 ha->optrom_size = OPTROM_SIZE_2322;
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001656 ha->isp_ops = &qla2300_isp_ops;
andrew.vasquez@qlogic.com044cc6c2006-03-09 14:27:13 -08001657 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
Andrew Vasquezfca29702005-07-06 10:31:47 -07001658 host->max_id = MAX_TARGETS_2200;
1659 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1660 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1661 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1662 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001663 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1664 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
Andrew Vasquezfca29702005-07-06 10:31:47 -07001665 ha->gid_list_info_size = 8;
andrew.vasquez@qlogic.com854165f2006-01-31 16:05:17 -08001666 ha->optrom_size = OPTROM_SIZE_24XX;
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001667 ha->isp_ops = &qla24xx_isp_ops;
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07001668 } else if (IS_QLA25XX(ha)) {
1669 host->max_id = MAX_TARGETS_2200;
1670 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1671 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1672 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1673 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1674 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1675 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1676 ha->gid_list_info_size = 8;
1677 ha->optrom_size = OPTROM_SIZE_25XX;
1678 ha->isp_ops = &qla25xx_isp_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001679 }
1680 host->can_queue = ha->request_q_length + 128;
1681
1682 /* load the F/W, read paramaters, and init the H/W */
1683 ha->instance = num_hosts;
1684
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001685 init_MUTEX(&ha->vport_sem);
Marcus Barrow0b05a1f2008-01-17 09:02:13 -08001686 init_completion(&ha->mbx_cmd_comp);
1687 complete(&ha->mbx_cmd_comp);
1688 init_completion(&ha->mbx_intr_comp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001689
1690 INIT_LIST_HEAD(&ha->list);
1691 INIT_LIST_HEAD(&ha->fcports);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001692 INIT_LIST_HEAD(&ha->vp_list);
1693
1694 set_bit(0, (unsigned long *) ha->vp_idx_map);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001695
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696 qla2x00_config_dma_addressing(ha);
1697 if (qla2x00_mem_alloc(ha)) {
1698 qla_printk(KERN_WARNING, ha,
1699 "[ERROR] Failed to allocate memory for adapter\n");
1700
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001701 ret = -ENOMEM;
1702 goto probe_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001703 }
1704
Andrew Vasquez765140b2007-05-07 07:42:58 -07001705 if (qla2x00_initialize_adapter(ha)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001706 qla_printk(KERN_WARNING, ha,
1707 "Failed to initialize adapter\n");
1708
1709 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1710 "Adapter flags %x.\n",
1711 ha->host_no, ha->device_flags));
1712
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001713 ret = -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001714 goto probe_failed;
1715 }
1716
1717 /*
1718 * Startup the kernel thread for this host adapter
1719 */
Christoph Hellwig39a11242006-02-14 18:46:22 +01001720 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1721 "%s_dpc", ha->host_str);
1722 if (IS_ERR(ha->dpc_thread)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001723 qla_printk(KERN_WARNING, ha,
1724 "Unable to start DPC thread!\n");
Christoph Hellwig39a11242006-02-14 18:46:22 +01001725 ret = PTR_ERR(ha->dpc_thread);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001726 goto probe_failed;
1727 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001728
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001729 host->this_id = 255;
1730 host->cmd_per_lun = 3;
1731 host->unique_id = ha->instance;
1732 host->max_cmd_len = MAX_CMDSZ;
Andrew Vasquez75bc4192006-05-17 15:09:22 -07001733 host->max_channel = MAX_BUSES - 1;
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001734 host->max_lun = MAX_LUNS;
1735 host->transportt = qla2xxx_transport_template;
1736
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08001737 ret = qla2x00_request_irqs(ha);
1738 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001739 goto probe_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001740
1741 /* Initialized the timer */
1742 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1743
1744 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1745 ha->host_no, ha));
1746
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001747 ha->isp_ops->disable_intrs(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748
Linus Torvalds1da177e2005-04-16 15:20:36 -07001749 spin_lock_irqsave(&ha->hardware_lock, flags);
Andrew Vasquezfca29702005-07-06 10:31:47 -07001750 reg = ha->iobase;
Andrew Vasqueze4289242007-07-19 15:05:56 -07001751 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquezfca29702005-07-06 10:31:47 -07001752 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1753 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1754 } else {
1755 WRT_REG_WORD(&reg->isp.semaphore, 0);
1756 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1757 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001758
Andrew Vasquezfca29702005-07-06 10:31:47 -07001759 /* Enable proper parity */
1760 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1761 if (IS_QLA2300(ha))
1762 /* SRAM parity */
1763 WRT_REG_WORD(&reg->isp.hccr,
1764 (HCCR_ENABLE_PARITY + 0x1));
1765 else
1766 /* SRAM, Instruction RAM and GP RAM parity */
1767 WRT_REG_WORD(&reg->isp.hccr,
1768 (HCCR_ENABLE_PARITY + 0x7));
1769 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001770 }
1771 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1772
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001773 ha->isp_ops->enable_intrs(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001774
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001775 pci_set_drvdata(pdev, ha);
Andrew Vasquezd19044c2006-11-22 08:22:19 -08001776
Linus Torvalds1da177e2005-04-16 15:20:36 -07001777 ha->flags.init_done = 1;
Andrew Vasquezd19044c2006-11-22 08:22:19 -08001778 ha->flags.online = 1;
1779
Linus Torvalds1da177e2005-04-16 15:20:36 -07001780 num_hosts++;
1781
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001782 ret = scsi_add_host(host, &pdev->dev);
1783 if (ret)
1784 goto probe_failed;
1785
Andrew Vasquez1e99e332006-11-22 08:24:48 -08001786 scsi_scan_host(host);
1787
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001788 qla2x00_alloc_sysfs_attr(ha);
1789
1790 qla2x00_init_host_attr(ha);
1791
Andrew Vasquezdf613b92008-01-17 09:02:17 -08001792 qla2x00_dfs_setup(ha);
1793
Linus Torvalds1da177e2005-04-16 15:20:36 -07001794 qla_printk(KERN_INFO, ha, "\n"
1795 " QLogic Fibre Channel HBA Driver: %s\n"
1796 " QLogic %s - %s\n"
Andrew Vasquez54333832005-11-09 15:49:04 -08001797 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1798 qla2x00_version_str, ha->model_number,
1799 ha->model_desc ? ha->model_desc: "", pdev->device,
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001800 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
Andrew Vasquez54333832005-11-09 15:49:04 -08001801 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001802 ha->isp_ops->fw_version_str(ha, fw_str));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001803
Linus Torvalds1da177e2005-04-16 15:20:36 -07001804 return 0;
1805
1806probe_failed:
1807 qla2x00_free_device(ha);
1808
1809 scsi_host_put(host);
1810
1811probe_disable_device:
1812 pci_disable_device(pdev);
1813
Andrew Vasqueza1541d52005-06-09 17:21:28 -07001814probe_out:
1815 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001816}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001817
Adrian Bunk4c993f72008-01-14 00:55:16 -08001818static void
Andrew Vasquez7ee61392006-06-23 16:11:22 -07001819qla2x00_remove_one(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001820{
1821 scsi_qla_host_t *ha;
1822
1823 ha = pci_get_drvdata(pdev);
1824
Andrew Vasquezdf613b92008-01-17 09:02:17 -08001825 qla2x00_dfs_remove(ha);
1826
8482e1182005-04-17 15:04:54 -05001827 qla2x00_free_sysfs_attr(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001828
bdf79622005-04-17 15:06:53 -05001829 fc_remove_host(ha->host);
1830
Linus Torvalds1da177e2005-04-16 15:20:36 -07001831 scsi_remove_host(ha->host);
1832
1833 qla2x00_free_device(ha);
1834
1835 scsi_host_put(ha->host);
1836
Bernhard Walle665db932007-03-28 00:49:49 +02001837 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001838 pci_set_drvdata(pdev, NULL);
1839}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001840
1841static void
1842qla2x00_free_device(scsi_qla_host_t *ha)
1843{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001844 /* Disable timer */
1845 if (ha->timer_active)
1846 qla2x00_stop_timer(ha);
1847
1848 /* Kill the kernel thread for this host */
Christoph Hellwig39a11242006-02-14 18:46:22 +01001849 if (ha->dpc_thread) {
1850 struct task_struct *t = ha->dpc_thread;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001851
Christoph Hellwig39a11242006-02-14 18:46:22 +01001852 /*
1853 * qla2xxx_wake_dpc checks for ->dpc_thread
1854 * so we need to zero it out.
1855 */
1856 ha->dpc_thread = NULL;
1857 kthread_stop(t);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001858 }
1859
Andrew Vasquezdf613b92008-01-17 09:02:17 -08001860 if (ha->flags.fce_enabled)
1861 qla2x00_disable_fce_trace(ha, NULL, NULL);
1862
Andrew Vasqueza7a167b2006-06-23 16:10:29 -07001863 if (ha->eft)
Andrew Vasquez00b6bd22008-01-17 09:02:16 -08001864 qla2x00_disable_eft_trace(ha);
Andrew Vasqueza7a167b2006-06-23 16:10:29 -07001865
Andrew Vasquez18c6c122006-10-13 09:33:38 -07001866 ha->flags.online = 0;
1867
Andrew Vasquezf6ef3b12005-08-26 19:10:20 -07001868 /* Stop currently executing firmware. */
Andrew Vasquez18c6c122006-10-13 09:33:38 -07001869 qla2x00_try_to_stop_firmware(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001870
Andrew Vasquezf6ef3b12005-08-26 19:10:20 -07001871 /* turn-off interrupts on the card */
1872 if (ha->interrupts_on)
Andrew Vasquezfd34f552007-07-19 15:06:00 -07001873 ha->isp_ops->disable_intrs(ha);
Andrew Vasquezf6ef3b12005-08-26 19:10:20 -07001874
1875 qla2x00_mem_free(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001876
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08001877 qla2x00_free_irqs(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001878
1879 /* release io space registers */
1880 if (ha->iobase)
1881 iounmap(ha->iobase);
Andrew Vasquez285d0322007-10-19 15:59:17 -07001882 pci_release_selected_regions(ha->pdev, ha->bars);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001883}
1884
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001885static inline void
1886qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1887 int defer)
1888{
1889 unsigned long flags;
1890 struct fc_rport *rport;
1891
1892 if (!fcport->rport)
1893 return;
1894
1895 rport = fcport->rport;
1896 if (defer) {
1897 spin_lock_irqsave(&fcport->rport_lock, flags);
1898 fcport->drport = rport;
1899 fcport->rport = NULL;
andrew.vasquez@qlogic.com387f96b2006-02-07 08:45:45 -08001900 *(fc_port_t **)rport->dd_data = NULL;
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001901 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1902 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1903 } else {
1904 spin_lock_irqsave(&fcport->rport_lock, flags);
1905 fcport->rport = NULL;
andrew.vasquez@qlogic.com387f96b2006-02-07 08:45:45 -08001906 *(fc_port_t **)rport->dd_data = NULL;
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001907 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1908 fc_remote_port_delete(rport);
1909 }
1910}
1911
Linus Torvalds1da177e2005-04-16 15:20:36 -07001912/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07001913 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1914 *
1915 * Input: ha = adapter block pointer. fcport = port structure pointer.
1916 *
1917 * Return: None.
1918 *
1919 * Context:
1920 */
1921void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001922 int do_login, int defer)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001923{
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001924 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1925 ha->vp_idx == fcport->vp_idx)
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001926 qla2x00_schedule_rport_del(ha, fcport, defer);
James.Smart@Emulex.Com19a7b4a2005-10-18 12:03:35 -04001927
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07001928 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -07001929 * We may need to retry the login, so don't change the state of the
1930 * port but do the retries.
1931 */
1932 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1933 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1934
1935 if (!do_login)
1936 return;
1937
1938 if (fcport->login_retry == 0) {
1939 fcport->login_retry = ha->login_retry_count;
1940 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1941
1942 DEBUG(printk("scsi(%ld): Port login retry: "
1943 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1944 "id = 0x%04x retry cnt=%d\n",
1945 ha->host_no,
1946 fcport->port_name[0],
1947 fcport->port_name[1],
1948 fcport->port_name[2],
1949 fcport->port_name[3],
1950 fcport->port_name[4],
1951 fcport->port_name[5],
1952 fcport->port_name[6],
1953 fcport->port_name[7],
1954 fcport->loop_id,
1955 fcport->login_retry));
1956 }
1957}
1958
1959/*
1960 * qla2x00_mark_all_devices_lost
1961 * Updates fcport state when device goes offline.
1962 *
1963 * Input:
1964 * ha = adapter block pointer.
1965 * fcport = port structure pointer.
1966 *
1967 * Return:
1968 * None.
1969 *
1970 * Context:
1971 */
1972void
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001973qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001974{
1975 fc_port_t *fcport;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001976 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001977
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001978 list_for_each_entry(fcport, &pha->fcports, list) {
1979 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001980 continue;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001981 /*
1982 * No point in marking the device as lost, if the device is
1983 * already DEAD.
1984 */
1985 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1986 continue;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001987 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1988 if (defer)
1989 qla2x00_schedule_rport_del(ha, fcport, defer);
1990 else if (ha->vp_idx == fcport->vp_idx)
1991 qla2x00_schedule_rport_del(ha, fcport, defer);
1992 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001993 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1994 }
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08001995
Christoph Hellwig39a11242006-02-14 18:46:22 +01001996 if (defer)
1997 qla2xxx_wake_dpc(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001998}
1999
2000/*
2001* qla2x00_mem_alloc
2002* Allocates adapter memory.
2003*
2004* Returns:
2005* 0 = success.
2006* 1 = failure.
2007*/
Adrian Bunka824ebb2008-01-17 09:02:15 -08002008static uint8_t
Linus Torvalds1da177e2005-04-16 15:20:36 -07002009qla2x00_mem_alloc(scsi_qla_host_t *ha)
2010{
2011 char name[16];
2012 uint8_t status = 1;
2013 int retry= 10;
2014
2015 do {
2016 /*
2017 * This will loop only once if everything goes well, else some
2018 * number of retries will be performed to get around a kernel
2019 * bug where available mem is not allocated until after a
2020 * little delay and a retry.
2021 */
2022 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2023 (ha->request_q_length + 1) * sizeof(request_t),
2024 &ha->request_dma, GFP_KERNEL);
2025 if (ha->request_ring == NULL) {
2026 qla_printk(KERN_WARNING, ha,
2027 "Memory Allocation failed - request_ring\n");
2028
2029 qla2x00_mem_free(ha);
2030 msleep(100);
2031
2032 continue;
2033 }
2034
2035 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2036 (ha->response_q_length + 1) * sizeof(response_t),
2037 &ha->response_dma, GFP_KERNEL);
2038 if (ha->response_ring == NULL) {
2039 qla_printk(KERN_WARNING, ha,
2040 "Memory Allocation failed - response_ring\n");
2041
2042 qla2x00_mem_free(ha);
2043 msleep(100);
2044
2045 continue;
2046 }
2047
2048 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2049 &ha->gid_list_dma, GFP_KERNEL);
2050 if (ha->gid_list == NULL) {
2051 qla_printk(KERN_WARNING, ha,
2052 "Memory Allocation failed - gid_list\n");
2053
2054 qla2x00_mem_free(ha);
2055 msleep(100);
2056
2057 continue;
2058 }
2059
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002060 /* get consistent memory allocated for init control block */
2061 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2062 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2063 if (ha->init_cb == NULL) {
2064 qla_printk(KERN_WARNING, ha,
2065 "Memory Allocation failed - init_cb\n");
2066
2067 qla2x00_mem_free(ha);
2068 msleep(100);
2069
2070 continue;
2071 }
2072 memset(ha->init_cb, 0, ha->init_cb_size);
2073
Andrew Vasquezcb630672006-05-17 15:09:45 -07002074 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2075 ha->host_no);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002076 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2077 DMA_POOL_SIZE, 8, 0);
2078 if (ha->s_dma_pool == NULL) {
2079 qla_printk(KERN_WARNING, ha,
2080 "Memory Allocation failed - s_dma_pool\n");
2081
2082 qla2x00_mem_free(ha);
2083 msleep(100);
2084
2085 continue;
2086 }
2087
Linus Torvalds1da177e2005-04-16 15:20:36 -07002088 if (qla2x00_allocate_sp_pool(ha)) {
2089 qla_printk(KERN_WARNING, ha,
2090 "Memory Allocation failed - "
2091 "qla2x00_allocate_sp_pool()\n");
2092
2093 qla2x00_mem_free(ha);
2094 msleep(100);
2095
2096 continue;
2097 }
2098
2099 /* Allocate memory for SNS commands */
2100 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2101 /* Get consistent memory allocated for SNS commands */
2102 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2103 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2104 GFP_KERNEL);
2105 if (ha->sns_cmd == NULL) {
2106 /* error */
2107 qla_printk(KERN_WARNING, ha,
2108 "Memory Allocation failed - sns_cmd\n");
2109
2110 qla2x00_mem_free(ha);
2111 msleep(100);
2112
2113 continue;
2114 }
2115 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2116 } else {
2117 /* Get consistent memory allocated for MS IOCB */
2118 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2119 &ha->ms_iocb_dma);
2120 if (ha->ms_iocb == NULL) {
2121 /* error */
2122 qla_printk(KERN_WARNING, ha,
2123 "Memory Allocation failed - ms_iocb\n");
2124
2125 qla2x00_mem_free(ha);
2126 msleep(100);
2127
2128 continue;
2129 }
2130 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2131
2132 /*
2133 * Get consistent memory allocated for CT SNS
2134 * commands
2135 */
2136 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2137 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2138 GFP_KERNEL);
2139 if (ha->ct_sns == NULL) {
2140 /* error */
2141 qla_printk(KERN_WARNING, ha,
2142 "Memory Allocation failed - ct_sns\n");
2143
2144 qla2x00_mem_free(ha);
2145 msleep(100);
2146
2147 continue;
2148 }
2149 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
Andrew Vasquez88729e52006-06-23 16:10:50 -07002150
Andrew Vasqueze4289242007-07-19 15:05:56 -07002151 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez88729e52006-06-23 16:10:50 -07002152 /*
2153 * Get consistent memory allocated for SFP
2154 * block.
2155 */
2156 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2157 GFP_KERNEL, &ha->sfp_data_dma);
2158 if (ha->sfp_data == NULL) {
2159 qla_printk(KERN_WARNING, ha,
2160 "Memory Allocation failed - "
2161 "sfp_data\n");
2162
2163 qla2x00_mem_free(ha);
2164 msleep(100);
2165
2166 continue;
2167 }
2168 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2169 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002170 }
2171
Seokmann Ju53772a22007-07-30 11:01:07 -07002172 /* Get memory for cached NVRAM */
2173 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2174 if (ha->nvram == NULL) {
2175 /* error */
2176 qla_printk(KERN_WARNING, ha,
2177 "Memory Allocation failed - nvram cache\n");
2178
2179 qla2x00_mem_free(ha);
2180 msleep(100);
2181
2182 continue;
2183 }
2184
Linus Torvalds1da177e2005-04-16 15:20:36 -07002185 /* Done all allocations without any error. */
2186 status = 0;
2187
2188 } while (retry-- && status != 0);
2189
2190 if (status) {
2191 printk(KERN_WARNING
2192 "%s(): **** FAILED ****\n", __func__);
2193 }
2194
2195 return(status);
2196}
2197
2198/*
2199* qla2x00_mem_free
2200* Frees all adapter allocated memory.
2201*
2202* Input:
2203* ha = adapter block pointer.
2204*/
Adrian Bunka824ebb2008-01-17 09:02:15 -08002205static void
Linus Torvalds1da177e2005-04-16 15:20:36 -07002206qla2x00_mem_free(scsi_qla_host_t *ha)
2207{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002208 struct list_head *fcpl, *fcptemp;
2209 fc_port_t *fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002210
2211 if (ha == NULL) {
2212 /* error */
2213 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2214 return;
2215 }
2216
Linus Torvalds1da177e2005-04-16 15:20:36 -07002217 /* free sp pool */
2218 qla2x00_free_sp_pool(ha);
2219
Andrew Vasquezdf613b92008-01-17 09:02:17 -08002220 if (ha->fce)
2221 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2222 ha->fce_dma);
2223
Andrew Vasqueza7a167b2006-06-23 16:10:29 -07002224 if (ha->fw_dump) {
2225 if (ha->eft)
2226 dma_free_coherent(&ha->pdev->dev,
2227 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2228 vfree(ha->fw_dump);
2229 }
2230
Linus Torvalds1da177e2005-04-16 15:20:36 -07002231 if (ha->sns_cmd)
2232 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2233 ha->sns_cmd, ha->sns_cmd_dma);
2234
2235 if (ha->ct_sns)
2236 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2237 ha->ct_sns, ha->ct_sns_dma);
2238
Andrew Vasquez88729e52006-06-23 16:10:50 -07002239 if (ha->sfp_data)
2240 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2241
Linus Torvalds1da177e2005-04-16 15:20:36 -07002242 if (ha->ms_iocb)
2243 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2244
Linus Torvalds1da177e2005-04-16 15:20:36 -07002245 if (ha->s_dma_pool)
2246 dma_pool_destroy(ha->s_dma_pool);
2247
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002248 if (ha->init_cb)
2249 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2250 ha->init_cb, ha->init_cb_dma);
2251
Linus Torvalds1da177e2005-04-16 15:20:36 -07002252 if (ha->gid_list)
2253 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2254 ha->gid_list_dma);
2255
2256 if (ha->response_ring)
2257 dma_free_coherent(&ha->pdev->dev,
2258 (ha->response_q_length + 1) * sizeof(response_t),
2259 ha->response_ring, ha->response_dma);
2260
2261 if (ha->request_ring)
2262 dma_free_coherent(&ha->pdev->dev,
2263 (ha->request_q_length + 1) * sizeof(request_t),
2264 ha->request_ring, ha->request_dma);
2265
Andrew Vasqueza7a167b2006-06-23 16:10:29 -07002266 ha->eft = NULL;
2267 ha->eft_dma = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002268 ha->sns_cmd = NULL;
2269 ha->sns_cmd_dma = 0;
2270 ha->ct_sns = NULL;
2271 ha->ct_sns_dma = 0;
2272 ha->ms_iocb = NULL;
2273 ha->ms_iocb_dma = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002274 ha->init_cb = NULL;
2275 ha->init_cb_dma = 0;
2276
2277 ha->s_dma_pool = NULL;
2278
Linus Torvalds1da177e2005-04-16 15:20:36 -07002279 ha->gid_list = NULL;
2280 ha->gid_list_dma = 0;
2281
2282 ha->response_ring = NULL;
2283 ha->response_dma = 0;
2284 ha->request_ring = NULL;
2285 ha->request_dma = 0;
2286
2287 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2288 fcport = list_entry(fcpl, fc_port_t, list);
2289
Linus Torvalds1da177e2005-04-16 15:20:36 -07002290 /* fc ports */
2291 list_del_init(&fcport->list);
2292 kfree(fcport);
2293 }
2294 INIT_LIST_HEAD(&ha->fcports);
2295
Linus Torvalds1da177e2005-04-16 15:20:36 -07002296 ha->fw_dump = NULL;
Andrew Vasquezfca29702005-07-06 10:31:47 -07002297 ha->fw_dumped = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002298 ha->fw_dump_reading = 0;
andrew.vasquez@qlogic.com854165f2006-01-31 16:05:17 -08002299
2300 vfree(ha->optrom_buffer);
Seokmann Ju53772a22007-07-30 11:01:07 -07002301 kfree(ha->nvram);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002302}
2303
2304/*
2305 * qla2x00_allocate_sp_pool
2306 * This routine is called during initialization to allocate
2307 * memory for local srb_t.
2308 *
2309 * Input:
2310 * ha = adapter block pointer.
2311 *
2312 * Context:
2313 * Kernel context.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002314 */
2315static int
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002316qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002317{
2318 int rval;
2319
2320 rval = QLA_SUCCESS;
Matthew Dobson93d23412006-03-26 01:37:50 -08002321 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002322 if (ha->srb_mempool == NULL) {
2323 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2324 rval = QLA_FUNCTION_FAILED;
2325 }
2326 return (rval);
2327}
2328
2329/*
2330 * This routine frees all adapter allocated memory.
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002331 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07002332 */
2333static void
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002334qla2x00_free_sp_pool( scsi_qla_host_t *ha)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002335{
2336 if (ha->srb_mempool) {
2337 mempool_destroy(ha->srb_mempool);
2338 ha->srb_mempool = NULL;
2339 }
2340}
2341
2342/**************************************************************************
2343* qla2x00_do_dpc
2344* This kernel thread is a task that is schedule by the interrupt handler
2345* to perform the background processing for interrupts.
2346*
2347* Notes:
2348* This task always run in the context of a kernel thread. It
2349* is kick-off by the driver's detect code and starts up
2350* up one per adapter. It immediately goes to sleep and waits for
2351* some fibre event. When either the interrupt handler or
2352* the timer routine detects a event it will one of the task
2353* bits then wake us up.
2354**************************************************************************/
2355static int
2356qla2x00_do_dpc(void *data)
2357{
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002358 int rval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002359 scsi_qla_host_t *ha;
2360 fc_port_t *fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002361 uint8_t status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002362 uint16_t next_loopid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002363
2364 ha = (scsi_qla_host_t *)data;
2365
Linus Torvalds1da177e2005-04-16 15:20:36 -07002366 set_user_nice(current, -20);
2367
Christoph Hellwig39a11242006-02-14 18:46:22 +01002368 while (!kthread_should_stop()) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002369 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2370
Christoph Hellwig39a11242006-02-14 18:46:22 +01002371 set_current_state(TASK_INTERRUPTIBLE);
2372 schedule();
2373 __set_current_state(TASK_RUNNING);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002374
2375 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2376
2377 /* Initialization not yet finished. Don't do anything yet. */
Christoph Hellwig39a11242006-02-14 18:46:22 +01002378 if (!ha->flags.init_done)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002379 continue;
2380
2381 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2382
2383 ha->dpc_active = 1;
2384
Linus Torvalds1da177e2005-04-16 15:20:36 -07002385 if (ha->flags.mbox_busy) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002386 ha->dpc_active = 0;
2387 continue;
2388 }
2389
2390 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2391
2392 DEBUG(printk("scsi(%ld): dpc: sched "
2393 "qla2x00_abort_isp ha = %p\n",
2394 ha->host_no, ha));
2395 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2396 &ha->dpc_flags))) {
2397
2398 if (qla2x00_abort_isp(ha)) {
2399 /* failed. retry later */
2400 set_bit(ISP_ABORT_NEEDED,
2401 &ha->dpc_flags);
2402 }
2403 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2404 }
2405 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2406 ha->host_no));
2407 }
2408
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08002409 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2410 qla2x00_update_fcports(ha);
2411
Andrew Vasquez91ca7b02005-10-27 16:03:37 -07002412 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2413 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2414 ha->host_no));
2415 qla2x00_loop_reset(ha);
2416 }
2417
Linus Torvalds1da177e2005-04-16 15:20:36 -07002418 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2419 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2420
2421 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2422 ha->host_no));
2423
2424 qla2x00_rst_aen(ha);
2425 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2426 }
2427
2428 /* Retry each device up to login retry count */
2429 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2430 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2431 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2432
2433 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2434 ha->host_no));
2435
2436 next_loopid = 0;
2437 list_for_each_entry(fcport, &ha->fcports, list) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002438 /*
2439 * If the port is not ONLINE then try to login
2440 * to it if we haven't run out of retries.
2441 */
2442 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2443 fcport->login_retry) {
2444
Linus Torvalds1da177e2005-04-16 15:20:36 -07002445 if (fcport->flags & FCF_FABRIC_DEVICE) {
2446 if (fcport->flags &
2447 FCF_TAPE_PRESENT)
Andrew Vasquezfd34f552007-07-19 15:06:00 -07002448 ha->isp_ops->fabric_logout(
Andrew Vasquez1c7c6352005-07-06 10:30:57 -07002449 ha, fcport->loop_id,
2450 fcport->d_id.b.domain,
2451 fcport->d_id.b.area,
2452 fcport->d_id.b.al_pa);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002453 status = qla2x00_fabric_login(
2454 ha, fcport, &next_loopid);
2455 } else
2456 status =
2457 qla2x00_local_device_login(
andrew.vasquez@qlogic.com9a52a57c2006-03-09 14:27:44 -08002458 ha, fcport);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002459
Ravi Anand63a86512007-09-20 14:07:40 -07002460 fcport->login_retry--;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002461 if (status == QLA_SUCCESS) {
2462 fcport->old_loop_id = fcport->loop_id;
2463
2464 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2465 ha->host_no, fcport->loop_id));
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002466
andrew.vasquez@qlogic.com052c40c2006-01-20 14:53:19 -08002467 qla2x00_update_fcport(ha,
2468 fcport);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002469 } else if (status == 1) {
2470 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2471 /* retry the login again */
2472 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2473 ha->host_no,
2474 fcport->login_retry, fcport->loop_id));
2475 } else {
2476 fcport->login_retry = 0;
2477 }
Ravi Anand63a86512007-09-20 14:07:40 -07002478 if (fcport->login_retry == 0)
2479 fcport->loop_id = FC_NO_LOOP_ID;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002480 }
2481 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2482 break;
2483 }
2484 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2485 ha->host_no));
2486 }
2487
2488 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2489 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2490
2491 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2492 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2493 ha->host_no));
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002494
Linus Torvalds1da177e2005-04-16 15:20:36 -07002495 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2496
2497 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2498 ha->host_no));
2499 }
2500
2501 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2502
2503 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2504 ha->host_no));
2505
2506 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2507 &ha->dpc_flags))) {
2508
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002509 rval = qla2x00_loop_resync(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002510
2511 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2512 }
2513
2514 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2515 ha->host_no));
2516 }
2517
Linus Torvalds1da177e2005-04-16 15:20:36 -07002518 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2519
2520 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2521 ha->host_no));
2522
2523 qla2x00_rescan_fcports(ha);
2524
2525 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2526 "end.\n",
2527 ha->host_no));
2528 }
2529
Linus Torvalds1da177e2005-04-16 15:20:36 -07002530 if (!ha->interrupts_on)
Andrew Vasquezfd34f552007-07-19 15:06:00 -07002531 ha->isp_ops->enable_intrs(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002532
andrew.vasquez@qlogic.comf6df1442006-01-31 16:05:07 -08002533 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
Andrew Vasquezfd34f552007-07-19 15:06:00 -07002534 ha->isp_ops->beacon_blink(ha);
andrew.vasquez@qlogic.comf6df1442006-01-31 16:05:07 -08002535
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002536 qla2x00_do_dpc_all_vps(ha);
2537
Linus Torvalds1da177e2005-04-16 15:20:36 -07002538 ha->dpc_active = 0;
2539 } /* End of while(1) */
2540
2541 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2542
2543 /*
2544 * Make sure that nobody tries to wake us up again.
2545 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002546 ha->dpc_active = 0;
2547
Christoph Hellwig39a11242006-02-14 18:46:22 +01002548 return 0;
2549}
2550
2551void
2552qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2553{
2554 if (ha->dpc_thread)
2555 wake_up_process(ha->dpc_thread);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002556}
2557
2558/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002559* qla2x00_rst_aen
2560* Processes asynchronous reset.
2561*
2562* Input:
2563* ha = adapter block pointer.
2564*/
2565static void
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002566qla2x00_rst_aen(scsi_qla_host_t *ha)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002567{
2568 if (ha->flags.online && !ha->flags.reset_active &&
2569 !atomic_read(&ha->loop_down_timer) &&
2570 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2571 do {
2572 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2573
2574 /*
2575 * Issue marker command only when we are going to start
2576 * the I/O.
2577 */
2578 ha->marker_needed = 1;
2579 } while (!atomic_read(&ha->loop_down_timer) &&
2580 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2581 }
2582}
2583
f4f051e2005-04-17 15:02:26 -05002584static void
2585qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2586{
2587 struct scsi_cmnd *cmd = sp->cmd;
2588
2589 if (sp->flags & SRB_DMA_VALID) {
FUJITA Tomonori385d70b2007-05-26 01:55:38 +09002590 scsi_dma_unmap(cmd);
f4f051e2005-04-17 15:02:26 -05002591 sp->flags &= ~SRB_DMA_VALID;
2592 }
Andrew Vasquezfca29702005-07-06 10:31:47 -07002593 CMD_SP(cmd) = NULL;
f4f051e2005-04-17 15:02:26 -05002594}
2595
2596void
2597qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2598{
2599 struct scsi_cmnd *cmd = sp->cmd;
2600
2601 qla2x00_sp_free_dma(ha, sp);
2602
f4f051e2005-04-17 15:02:26 -05002603 mempool_free(sp, ha->srb_mempool);
2604
2605 cmd->scsi_done(cmd);
2606}
bdf79622005-04-17 15:06:53 -05002607
Linus Torvalds1da177e2005-04-16 15:20:36 -07002608/**************************************************************************
2609* qla2x00_timer
2610*
2611* Description:
2612* One second timer
2613*
2614* Context: Interrupt
2615***************************************************************************/
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002616void
Linus Torvalds1da177e2005-04-16 15:20:36 -07002617qla2x00_timer(scsi_qla_host_t *ha)
2618{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002619 unsigned long cpu_flags = 0;
2620 fc_port_t *fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002621 int start_dpc = 0;
2622 int index;
2623 srb_t *sp;
f4f051e2005-04-17 15:02:26 -05002624 int t;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002625 scsi_qla_host_t *pha = to_qla_parent(ha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002626
2627 /*
2628 * Ports - Port down timer.
2629 *
2630 * Whenever, a port is in the LOST state we start decrementing its port
2631 * down timer every second until it reaches zero. Once it reaches zero
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002632 * the port it marked DEAD.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002633 */
2634 t = 0;
2635 list_for_each_entry(fcport, &ha->fcports, list) {
2636 if (fcport->port_type != FCT_TARGET)
2637 continue;
2638
2639 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2640
2641 if (atomic_read(&fcport->port_down_timer) == 0)
2642 continue;
2643
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002644 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002645 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002646
Linus Torvalds1da177e2005-04-16 15:20:36 -07002647 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
Andrew Vasquezfca29702005-07-06 10:31:47 -07002648 "%d remaining\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002649 ha->host_no,
2650 t, atomic_read(&fcport->port_down_timer)));
2651 }
2652 t++;
2653 } /* End of for fcport */
2654
Linus Torvalds1da177e2005-04-16 15:20:36 -07002655
2656 /* Loop down handler. */
2657 if (atomic_read(&ha->loop_down_timer) > 0 &&
2658 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2659
2660 if (atomic_read(&ha->loop_down_timer) ==
2661 ha->loop_down_abort_time) {
2662
2663 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2664 "queues before time expire\n",
2665 ha->host_no));
2666
2667 if (!IS_QLA2100(ha) && ha->link_down_timeout)
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002668 atomic_set(&ha->loop_state, LOOP_DEAD);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002669
2670 /* Schedule an ISP abort to return any tape commands. */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002671 /* NPIV - scan physical port only */
2672 if (!ha->parent) {
2673 spin_lock_irqsave(&ha->hardware_lock,
2674 cpu_flags);
2675 for (index = 1;
2676 index < MAX_OUTSTANDING_COMMANDS;
2677 index++) {
2678 fc_port_t *sfcp;
bdf79622005-04-17 15:06:53 -05002679
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002680 sp = ha->outstanding_cmds[index];
2681 if (!sp)
2682 continue;
2683 sfcp = sp->fcport;
2684 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2685 continue;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002686
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002687 set_bit(ISP_ABORT_NEEDED,
2688 &ha->dpc_flags);
2689 break;
2690 }
2691 spin_unlock_irqrestore(&ha->hardware_lock,
2692 cpu_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002693 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002694 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2695 start_dpc++;
2696 }
2697
2698 /* if the loop has been down for 4 minutes, reinit adapter */
2699 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2700 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2701 "restarting queues.\n",
2702 ha->host_no));
2703
2704 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2705 start_dpc++;
2706
2707 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2708 DEBUG(printk("scsi(%ld): Loop down - "
2709 "aborting ISP.\n",
2710 ha->host_no));
2711 qla_printk(KERN_WARNING, ha,
2712 "Loop down - aborting ISP.\n");
2713
2714 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2715 }
2716 }
Andrew Vasquezfca29702005-07-06 10:31:47 -07002717 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07002718 ha->host_no,
2719 atomic_read(&ha->loop_down_timer)));
2720 }
2721
andrew.vasquez@qlogic.comf6df1442006-01-31 16:05:07 -08002722 /* Check if beacon LED needs to be blinked */
2723 if (ha->beacon_blink_led == 1) {
2724 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2725 start_dpc++;
2726 }
2727
Linus Torvalds1da177e2005-04-16 15:20:36 -07002728 /* Schedule the DPC routine if needed */
2729 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2730 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
Andrew Vasquez91ca7b02005-10-27 16:03:37 -07002731 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
andrew.vasquez@qlogic.comd97994d2006-01-20 14:53:13 -08002732 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
Linus Torvalds1da177e2005-04-16 15:20:36 -07002733 start_dpc ||
2734 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051e2005-04-17 15:02:26 -05002735 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
andrew.vasquez@qlogic.comf6df1442006-01-31 16:05:07 -08002736 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002737 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
Christoph Hellwig39a11242006-02-14 18:46:22 +01002738 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002739 qla2xxx_wake_dpc(pha);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002740
2741 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2742}
2743
Andrew Vasquez54333832005-11-09 15:49:04 -08002744/* Firmware interface routines. */
2745
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002746#define FW_BLOBS 6
Andrew Vasquez54333832005-11-09 15:49:04 -08002747#define FW_ISP21XX 0
2748#define FW_ISP22XX 1
2749#define FW_ISP2300 2
2750#define FW_ISP2322 3
andrew.vasquez@qlogic.com48c02fd2006-03-09 14:27:18 -08002751#define FW_ISP24XX 4
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002752#define FW_ISP25XX 5
Andrew Vasquez54333832005-11-09 15:49:04 -08002753
Andrew Vasquezbb8ee492006-10-02 12:00:48 -07002754#define FW_FILE_ISP21XX "ql2100_fw.bin"
2755#define FW_FILE_ISP22XX "ql2200_fw.bin"
2756#define FW_FILE_ISP2300 "ql2300_fw.bin"
2757#define FW_FILE_ISP2322 "ql2322_fw.bin"
2758#define FW_FILE_ISP24XX "ql2400_fw.bin"
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002759#define FW_FILE_ISP25XX "ql2500_fw.bin"
Andrew Vasquezbb8ee492006-10-02 12:00:48 -07002760
Andrew Vasquez54333832005-11-09 15:49:04 -08002761static DECLARE_MUTEX(qla_fw_lock);
2762
2763static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
Andrew Vasquezbb8ee492006-10-02 12:00:48 -07002764 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2765 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2766 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2767 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2768 { .name = FW_FILE_ISP24XX, },
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002769 { .name = FW_FILE_ISP25XX, },
Andrew Vasquez54333832005-11-09 15:49:04 -08002770};
2771
2772struct fw_blob *
2773qla2x00_request_firmware(scsi_qla_host_t *ha)
2774{
2775 struct fw_blob *blob;
2776
2777 blob = NULL;
2778 if (IS_QLA2100(ha)) {
2779 blob = &qla_fw_blobs[FW_ISP21XX];
2780 } else if (IS_QLA2200(ha)) {
2781 blob = &qla_fw_blobs[FW_ISP22XX];
andrew.vasquez@qlogic.com48c02fd2006-03-09 14:27:18 -08002782 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
Andrew Vasquez54333832005-11-09 15:49:04 -08002783 blob = &qla_fw_blobs[FW_ISP2300];
andrew.vasquez@qlogic.com48c02fd2006-03-09 14:27:18 -08002784 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
Andrew Vasquez54333832005-11-09 15:49:04 -08002785 blob = &qla_fw_blobs[FW_ISP2322];
andrew.vasquez@qlogic.com044cc6c2006-03-09 14:27:13 -08002786 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
Andrew Vasquez54333832005-11-09 15:49:04 -08002787 blob = &qla_fw_blobs[FW_ISP24XX];
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002788 } else if (IS_QLA25XX(ha)) {
2789 blob = &qla_fw_blobs[FW_ISP25XX];
Andrew Vasquez54333832005-11-09 15:49:04 -08002790 }
2791
2792 down(&qla_fw_lock);
2793 if (blob->fw)
2794 goto out;
2795
2796 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2797 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2798 "(%s).\n", ha->host_no, blob->name));
2799 blob->fw = NULL;
2800 blob = NULL;
2801 goto out;
2802 }
2803
2804out:
2805 up(&qla_fw_lock);
2806 return blob;
2807}
2808
2809static void
2810qla2x00_release_firmware(void)
2811{
2812 int idx;
2813
2814 down(&qla_fw_lock);
2815 for (idx = 0; idx < FW_BLOBS; idx++)
2816 if (qla_fw_blobs[idx].fw)
2817 release_firmware(qla_fw_blobs[idx].fw);
2818 up(&qla_fw_lock);
2819}
2820
Seokmann Ju14e660e2007-09-20 14:07:36 -07002821static pci_ers_result_t
2822qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2823{
2824 switch (state) {
2825 case pci_channel_io_normal:
2826 return PCI_ERS_RESULT_CAN_RECOVER;
2827 case pci_channel_io_frozen:
2828 pci_disable_device(pdev);
2829 return PCI_ERS_RESULT_NEED_RESET;
2830 case pci_channel_io_perm_failure:
2831 qla2x00_remove_one(pdev);
2832 return PCI_ERS_RESULT_DISCONNECT;
2833 }
2834 return PCI_ERS_RESULT_NEED_RESET;
2835}
2836
2837static pci_ers_result_t
2838qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2839{
2840 int risc_paused = 0;
2841 uint32_t stat;
2842 unsigned long flags;
2843 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2844 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2845 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2846
2847 spin_lock_irqsave(&ha->hardware_lock, flags);
2848 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2849 stat = RD_REG_DWORD(&reg->hccr);
2850 if (stat & HCCR_RISC_PAUSE)
2851 risc_paused = 1;
2852 } else if (IS_QLA23XX(ha)) {
2853 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2854 if (stat & HSR_RISC_PAUSED)
2855 risc_paused = 1;
2856 } else if (IS_FWI2_CAPABLE(ha)) {
2857 stat = RD_REG_DWORD(&reg24->host_status);
2858 if (stat & HSRX_RISC_PAUSED)
2859 risc_paused = 1;
2860 }
2861 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2862
2863 if (risc_paused) {
2864 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2865 "Dumping firmware!\n");
2866 ha->isp_ops->fw_dump(ha, 0);
2867
2868 return PCI_ERS_RESULT_NEED_RESET;
2869 } else
2870 return PCI_ERS_RESULT_RECOVERED;
2871}
2872
2873static pci_ers_result_t
2874qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2875{
2876 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2877 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2878
Andrew Vasquez285d0322007-10-19 15:59:17 -07002879 if (pci_enable_device_bars(pdev, ha->bars)) {
Seokmann Ju14e660e2007-09-20 14:07:36 -07002880 qla_printk(KERN_WARNING, ha,
2881 "Can't re-enable PCI device after reset.\n");
2882
2883 return ret;
2884 }
2885 pci_set_master(pdev);
2886
2887 if (ha->isp_ops->pci_config(ha))
2888 return ret;
2889
2890 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2891 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2892 ret = PCI_ERS_RESULT_RECOVERED;
2893 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2894
2895 return ret;
2896}
2897
2898static void
2899qla2xxx_pci_resume(struct pci_dev *pdev)
2900{
2901 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2902 int ret;
2903
2904 ret = qla2x00_wait_for_hba_online(ha);
2905 if (ret != QLA_SUCCESS) {
2906 qla_printk(KERN_ERR, ha,
2907 "the device failed to resume I/O "
2908 "from slot/link_reset");
2909 }
2910 pci_cleanup_aer_uncorrect_error_status(pdev);
2911}
2912
2913static struct pci_error_handlers qla2xxx_err_handler = {
2914 .error_detected = qla2xxx_pci_error_detected,
2915 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2916 .slot_reset = qla2xxx_pci_slot_reset,
2917 .resume = qla2xxx_pci_resume,
2918};
2919
Andrew Vasquez54333832005-11-09 15:49:04 -08002920static struct pci_device_id qla2xxx_pci_tbl[] = {
Andrew Vasquez47f5e062006-05-17 15:09:39 -07002921 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2922 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2924 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2925 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2926 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2927 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2928 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2929 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2930 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2931 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
Andrew Vasquezc3a2f0d2007-07-19 20:37:34 -07002932 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
Andrew Vasquez54333832005-11-09 15:49:04 -08002933 { 0 },
2934};
2935MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2936
Andrew Vasquezfca29702005-07-06 10:31:47 -07002937static struct pci_driver qla2xxx_pci_driver = {
Andrew Vasquezcb630672006-05-17 15:09:45 -07002938 .name = QLA2XXX_DRIVER_NAME,
James Bottomley0a21ef12005-12-01 12:51:50 -06002939 .driver = {
2940 .owner = THIS_MODULE,
2941 },
Andrew Vasquezfca29702005-07-06 10:31:47 -07002942 .id_table = qla2xxx_pci_tbl,
Andrew Vasquez7ee61392006-06-23 16:11:22 -07002943 .probe = qla2x00_probe_one,
Adrian Bunk4c993f72008-01-14 00:55:16 -08002944 .remove = qla2x00_remove_one,
Seokmann Ju14e660e2007-09-20 14:07:36 -07002945 .err_handler = &qla2xxx_err_handler,
Andrew Vasquezfca29702005-07-06 10:31:47 -07002946};
2947
Linus Torvalds1da177e2005-04-16 15:20:36 -07002948/**
2949 * qla2x00_module_init - Module initialization.
2950 **/
2951static int __init
2952qla2x00_module_init(void)
2953{
Andrew Vasquezfca29702005-07-06 10:31:47 -07002954 int ret = 0;
2955
Linus Torvalds1da177e2005-04-16 15:20:36 -07002956 /* Allocate cache for SRBs. */
Andrew Vasquez 354d6b22005-04-23 02:47:27 -04002957 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
Paul Mundt20c2df82007-07-20 10:11:58 +09002958 SLAB_HWCACHE_ALIGN, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002959 if (srb_cachep == NULL) {
2960 printk(KERN_ERR
2961 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2962 return -ENOMEM;
2963 }
2964
2965 /* Derive version string. */
2966 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
Andrew Vasquez11010fe2006-10-06 09:54:59 -07002967 if (ql2xextended_error_logging)
Andrew Vasquez01819442006-06-23 16:11:10 -07002968 strcat(qla2x00_version_str, "-debug");
2969
Andrew Vasquez1c97a122005-04-21 16:13:36 -04002970 qla2xxx_transport_template =
2971 fc_attach_transport(&qla2xxx_transport_functions);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002972 if (!qla2xxx_transport_template) {
2973 kmem_cache_destroy(srb_cachep);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002974 return -ENODEV;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002975 }
2976 qla2xxx_transport_vport_template =
2977 fc_attach_transport(&qla2xxx_transport_vport_functions);
2978 if (!qla2xxx_transport_vport_template) {
2979 kmem_cache_destroy(srb_cachep);
2980 fc_release_transport(qla2xxx_transport_template);
2981 return -ENODEV;
2982 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002983
2984 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
Andrew Vasquez7ee61392006-06-23 16:11:22 -07002985 ret = pci_register_driver(&qla2xxx_pci_driver);
Andrew Vasquezfca29702005-07-06 10:31:47 -07002986 if (ret) {
2987 kmem_cache_destroy(srb_cachep);
2988 fc_release_transport(qla2xxx_transport_template);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002989 fc_release_transport(qla2xxx_transport_vport_template);
Andrew Vasquezfca29702005-07-06 10:31:47 -07002990 }
2991 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002992}
2993
2994/**
2995 * qla2x00_module_exit - Module cleanup.
2996 **/
2997static void __exit
2998qla2x00_module_exit(void)
2999{
Andrew Vasquez7ee61392006-06-23 16:11:22 -07003000 pci_unregister_driver(&qla2xxx_pci_driver);
Andrew Vasquez54333832005-11-09 15:49:04 -08003001 qla2x00_release_firmware();
Andrew Vasquez 354d6b22005-04-23 02:47:27 -04003002 kmem_cache_destroy(srb_cachep);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003003 fc_release_transport(qla2xxx_transport_template);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07003004 fc_release_transport(qla2xxx_transport_vport_template);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003005}
3006
3007module_init(qla2x00_module_init);
3008module_exit(qla2x00_module_exit);
3009
3010MODULE_AUTHOR("QLogic Corporation");
3011MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3012MODULE_LICENSE("GPL");
3013MODULE_VERSION(QLA2XXX_VERSION);
Andrew Vasquezbb8ee492006-10-02 12:00:48 -07003014MODULE_FIRMWARE(FW_FILE_ISP21XX);
3015MODULE_FIRMWARE(FW_FILE_ISP22XX);
3016MODULE_FIRMWARE(FW_FILE_ISP2300);
3017MODULE_FIRMWARE(FW_FILE_ISP2322);
3018MODULE_FIRMWARE(FW_FILE_ISP24XX);