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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f AV |
2 | * QLogic Fibre Channel HBA Driver |
3 | * Copyright (c) 2003-2005 QLogic Corporation | |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
9 | #include <linux/moduleparam.h> | |
10 | #include <linux/vmalloc.h> | |
11 | #include <linux/smp_lock.h> | |
12 | #include <linux/delay.h> | |
13 | ||
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 | */ | |
22 | char qla2x00_version_str[40]; | |
23 | ||
24 | /* | |
25 | * SRB allocation cache | |
26 | */ | |
354d6b21 | 27 | static kmem_cache_t *srb_cachep; |
1da177e4 LT |
28 | |
29 | /* | |
30 | * Ioctl related information. | |
31 | */ | |
354d6b21 | 32 | static int num_hosts; |
1da177e4 LT |
33 | |
34 | int ql2xlogintimeout = 20; | |
35 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); | |
36 | MODULE_PARM_DESC(ql2xlogintimeout, | |
37 | "Login timeout value in seconds."); | |
38 | ||
8482e118 | 39 | int qlport_down_retry = 30; |
1da177e4 LT |
40 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
41 | MODULE_PARM_DESC(qlport_down_retry, | |
42 | "Maximum number of command retries to a port that returns" | |
43 | "a PORT-DOWN status."); | |
44 | ||
1da177e4 LT |
45 | int ql2xplogiabsentdevice; |
46 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); | |
47 | MODULE_PARM_DESC(ql2xplogiabsentdevice, | |
48 | "Option to enable PLOGI to devices that are not present after " | |
49 | "a Fabric scan. This is needed for several broken switches." | |
50 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); | |
51 | ||
1da177e4 LT |
52 | int ql2xloginretrycount = 0; |
53 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); | |
54 | MODULE_PARM_DESC(ql2xloginretrycount, | |
55 | "Specify an alternate value for the NVRAM login retry count."); | |
56 | ||
f6ef3b18 | 57 | int ql2xfwloadbin=1; |
fca29703 AV |
58 | module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR); |
59 | MODULE_PARM_DESC(ql2xfwloadbin, | |
60 | "Load ISP2xxx firmware image via hotplug."); | |
61 | ||
1da177e4 LT |
62 | static void qla2x00_free_device(scsi_qla_host_t *); |
63 | ||
64 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
65 | ||
cca5335c AV |
66 | int ql2xfdmienable; |
67 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); | |
68 | MODULE_PARM_DESC(ql2xfdmienable, | |
69 | "Enables FDMI registratons " | |
70 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
71 | ||
1da177e4 | 72 | /* |
fa2a1ce5 | 73 | * SCSI host template entry points |
1da177e4 LT |
74 | */ |
75 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb AV |
76 | static int qla2xxx_slave_alloc(struct scsi_device *); |
77 | static void qla2xxx_slave_destroy(struct scsi_device *); | |
1da177e4 LT |
78 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
79 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
80 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
81 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
82 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
83 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
84 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | |
85 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
86 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); | |
87 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); | |
88 | ||
ce7e4af7 AV |
89 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
90 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
91 | ||
1da177e4 LT |
92 | static struct scsi_host_template qla2x00_driver_template = { |
93 | .module = THIS_MODULE, | |
94 | .name = "qla2xxx", | |
1da177e4 LT |
95 | .queuecommand = qla2x00_queuecommand, |
96 | ||
97 | .eh_abort_handler = qla2xxx_eh_abort, | |
98 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
99 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
100 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
101 | ||
102 | .slave_configure = qla2xxx_slave_configure, | |
103 | ||
f4f051eb AV |
104 | .slave_alloc = qla2xxx_slave_alloc, |
105 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
106 | .change_queue_depth = qla2x00_change_queue_depth, |
107 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
108 | .this_id = -1, |
109 | .cmd_per_lun = 3, | |
110 | .use_clustering = ENABLE_CLUSTERING, | |
111 | .sg_tablesize = SG_ALL, | |
112 | ||
113 | /* | |
114 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
115 | * which equates to 0x800000 sectors. | |
116 | */ | |
117 | .max_sectors = 0xFFFF, | |
afb046e2 | 118 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
119 | }; |
120 | ||
fca29703 AV |
121 | static struct scsi_host_template qla24xx_driver_template = { |
122 | .module = THIS_MODULE, | |
123 | .name = "qla2xxx", | |
124 | .queuecommand = qla24xx_queuecommand, | |
125 | ||
126 | .eh_abort_handler = qla2xxx_eh_abort, | |
127 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
128 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
129 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
130 | ||
131 | .slave_configure = qla2xxx_slave_configure, | |
132 | ||
133 | .slave_alloc = qla2xxx_slave_alloc, | |
134 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
135 | .change_queue_depth = qla2x00_change_queue_depth, |
136 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
137 | .this_id = -1, |
138 | .cmd_per_lun = 3, | |
139 | .use_clustering = ENABLE_CLUSTERING, | |
140 | .sg_tablesize = SG_ALL, | |
141 | ||
142 | .max_sectors = 0xFFFF, | |
afb046e2 | 143 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
144 | }; |
145 | ||
1da177e4 LT |
146 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
147 | ||
1da177e4 LT |
148 | /* TODO Convert to inlines |
149 | * | |
150 | * Timer routines | |
151 | */ | |
152 | #define WATCH_INTERVAL 1 /* number of seconds */ | |
153 | ||
154 | static void qla2x00_timer(scsi_qla_host_t *); | |
155 | ||
156 | static __inline__ void qla2x00_start_timer(scsi_qla_host_t *, | |
157 | void *, unsigned long); | |
158 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
159 | static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); | |
160 | ||
161 | static inline void | |
162 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) | |
163 | { | |
164 | init_timer(&ha->timer); | |
165 | ha->timer.expires = jiffies + interval * HZ; | |
166 | ha->timer.data = (unsigned long)ha; | |
167 | ha->timer.function = (void (*)(unsigned long))func; | |
168 | add_timer(&ha->timer); | |
169 | ha->timer_active = 1; | |
170 | } | |
171 | ||
172 | static inline void | |
173 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
174 | { | |
175 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
176 | } | |
177 | ||
178 | static __inline__ void | |
179 | qla2x00_stop_timer(scsi_qla_host_t *ha) | |
180 | { | |
181 | del_timer_sync(&ha->timer); | |
182 | ha->timer_active = 0; | |
183 | } | |
184 | ||
1da177e4 LT |
185 | static int qla2x00_do_dpc(void *data); |
186 | ||
187 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
188 | ||
189 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); | |
190 | static void qla2x00_mem_free(scsi_qla_host_t *ha); | |
191 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); | |
192 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb AV |
193 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
194 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 195 | |
1da177e4 LT |
196 | /* -------------------------------------------------------------------------- */ |
197 | ||
1da177e4 | 198 | static char * |
abbd8870 | 199 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
200 | { |
201 | static char *pci_bus_modes[] = { | |
202 | "33", "66", "100", "133", | |
203 | }; | |
204 | uint16_t pci_bus; | |
205 | ||
206 | strcpy(str, "PCI"); | |
207 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
208 | if (pci_bus) { | |
209 | strcat(str, "-X ("); | |
210 | strcat(str, pci_bus_modes[pci_bus]); | |
211 | } else { | |
212 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
213 | strcat(str, " ("); | |
214 | strcat(str, pci_bus_modes[pci_bus]); | |
215 | } | |
216 | strcat(str, " MHz)"); | |
217 | ||
218 | return (str); | |
219 | } | |
220 | ||
fca29703 AV |
221 | static char * |
222 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
223 | { | |
224 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
225 | uint32_t pci_bus; | |
226 | int pcie_reg; | |
227 | ||
228 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
229 | if (pcie_reg) { | |
230 | char lwstr[6]; | |
231 | uint16_t pcie_lstat, lspeed, lwidth; | |
232 | ||
233 | pcie_reg += 0x12; | |
234 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
235 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
236 | lwidth = (pcie_lstat & | |
237 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
238 | ||
239 | strcpy(str, "PCIe ("); | |
240 | if (lspeed == 1) | |
241 | strcat(str, "2.5Gb/s "); | |
242 | else | |
243 | strcat(str, "<unknown> "); | |
244 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
245 | strcat(str, lwstr); | |
246 | ||
247 | return str; | |
248 | } | |
249 | ||
250 | strcpy(str, "PCI"); | |
251 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
252 | if (pci_bus == 0 || pci_bus == 8) { | |
253 | strcat(str, " ("); | |
254 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
255 | } else { | |
256 | strcat(str, "-X "); | |
257 | if (pci_bus & BIT_2) | |
258 | strcat(str, "Mode 2"); | |
259 | else | |
260 | strcat(str, "Mode 1"); | |
261 | strcat(str, " ("); | |
262 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
263 | } | |
264 | strcat(str, " MHz)"); | |
265 | ||
266 | return str; | |
267 | } | |
268 | ||
1da177e4 | 269 | char * |
abbd8870 | 270 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
271 | { |
272 | char un_str[10]; | |
fa2a1ce5 | 273 | |
1da177e4 LT |
274 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
275 | ha->fw_minor_version, | |
276 | ha->fw_subminor_version); | |
277 | ||
278 | if (ha->fw_attributes & BIT_9) { | |
279 | strcat(str, "FLX"); | |
280 | return (str); | |
281 | } | |
282 | ||
283 | switch (ha->fw_attributes & 0xFF) { | |
284 | case 0x7: | |
285 | strcat(str, "EF"); | |
286 | break; | |
287 | case 0x17: | |
288 | strcat(str, "TP"); | |
289 | break; | |
290 | case 0x37: | |
291 | strcat(str, "IP"); | |
292 | break; | |
293 | case 0x77: | |
294 | strcat(str, "VI"); | |
295 | break; | |
296 | default: | |
297 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
298 | strcat(str, un_str); | |
299 | break; | |
300 | } | |
301 | if (ha->fw_attributes & 0x100) | |
302 | strcat(str, "X"); | |
303 | ||
304 | return (str); | |
305 | } | |
306 | ||
fca29703 AV |
307 | char * |
308 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) | |
309 | { | |
f0883ac6 AV |
310 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
311 | ha->fw_minor_version, | |
312 | ha->fw_subminor_version); | |
313 | ||
fca29703 AV |
314 | if (ha->fw_attributes & BIT_0) |
315 | strcat(str, "[Class 2] "); | |
316 | if (ha->fw_attributes & BIT_1) | |
317 | strcat(str, "[IP] "); | |
318 | if (ha->fw_attributes & BIT_2) | |
319 | strcat(str, "[Multi-ID] "); | |
320 | if (ha->fw_attributes & BIT_13) | |
321 | strcat(str, "[Experimental]"); | |
322 | return str; | |
fca29703 AV |
323 | } |
324 | ||
325 | static inline srb_t * | |
326 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
327 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
328 | { | |
329 | srb_t *sp; | |
330 | ||
331 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
332 | if (!sp) | |
333 | return sp; | |
334 | ||
335 | atomic_set(&sp->ref_count, 1); | |
336 | sp->ha = ha; | |
337 | sp->fcport = fcport; | |
338 | sp->cmd = cmd; | |
339 | sp->flags = 0; | |
340 | CMD_SP(cmd) = (void *)sp; | |
341 | cmd->scsi_done = done; | |
342 | ||
343 | return sp; | |
344 | } | |
345 | ||
1da177e4 | 346 | static int |
f4f051eb | 347 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 348 | { |
f4f051eb | 349 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 350 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
351 | srb_t *sp; |
352 | int rval; | |
1da177e4 | 353 | |
bdf79621 | 354 | if (!fcport) { |
f4f051eb AV |
355 | cmd->result = DID_NO_CONNECT << 16; |
356 | goto qc_fail_command; | |
357 | } | |
1da177e4 | 358 | |
f4f051eb AV |
359 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
360 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
361 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
362 | cmd->result = DID_NO_CONNECT << 16; | |
363 | goto qc_fail_command; | |
364 | } | |
365 | goto qc_host_busy; | |
366 | } | |
1da177e4 LT |
367 | |
368 | spin_unlock_irq(ha->host->host_lock); | |
369 | ||
fca29703 AV |
370 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
371 | if (!sp) | |
f4f051eb | 372 | goto qc_host_busy_lock; |
1da177e4 | 373 | |
f4f051eb AV |
374 | rval = qla2x00_start_scsi(sp); |
375 | if (rval != QLA_SUCCESS) | |
376 | goto qc_host_busy_free_sp; | |
1da177e4 | 377 | |
f4f051eb | 378 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 379 | |
f4f051eb | 380 | return 0; |
1da177e4 | 381 | |
f4f051eb AV |
382 | qc_host_busy_free_sp: |
383 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 384 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 385 | |
f4f051eb AV |
386 | qc_host_busy_lock: |
387 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 388 | |
f4f051eb AV |
389 | qc_host_busy: |
390 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 391 | |
f4f051eb AV |
392 | qc_fail_command: |
393 | done(cmd); | |
1da177e4 | 394 | |
f4f051eb | 395 | return 0; |
1da177e4 LT |
396 | } |
397 | ||
fca29703 AV |
398 | |
399 | static int | |
400 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
401 | { | |
402 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
403 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
404 | srb_t *sp; | |
405 | int rval; | |
406 | ||
407 | if (!fcport) { | |
408 | cmd->result = DID_NO_CONNECT << 16; | |
409 | goto qc24_fail_command; | |
410 | } | |
411 | ||
412 | if (atomic_read(&fcport->state) != FCS_ONLINE) { | |
413 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
414 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
415 | cmd->result = DID_NO_CONNECT << 16; | |
416 | goto qc24_fail_command; | |
417 | } | |
418 | goto qc24_host_busy; | |
419 | } | |
420 | ||
421 | spin_unlock_irq(ha->host->host_lock); | |
422 | ||
423 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
424 | if (!sp) | |
425 | goto qc24_host_busy_lock; | |
426 | ||
427 | rval = qla24xx_start_scsi(sp); | |
428 | if (rval != QLA_SUCCESS) | |
429 | goto qc24_host_busy_free_sp; | |
430 | ||
431 | spin_lock_irq(ha->host->host_lock); | |
432 | ||
433 | return 0; | |
434 | ||
435 | qc24_host_busy_free_sp: | |
436 | qla2x00_sp_free_dma(ha, sp); | |
437 | mempool_free(sp, ha->srb_mempool); | |
438 | ||
439 | qc24_host_busy_lock: | |
440 | spin_lock_irq(ha->host->host_lock); | |
441 | ||
442 | qc24_host_busy: | |
443 | return SCSI_MLQUEUE_HOST_BUSY; | |
444 | ||
445 | qc24_fail_command: | |
446 | done(cmd); | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
451 | ||
1da177e4 LT |
452 | /* |
453 | * qla2x00_eh_wait_on_command | |
454 | * Waits for the command to be returned by the Firmware for some | |
455 | * max time. | |
456 | * | |
457 | * Input: | |
458 | * ha = actual ha whose done queue will contain the command | |
459 | * returned by firmware. | |
460 | * cmd = Scsi Command to wait on. | |
461 | * flag = Abort/Reset(Bus or Device Reset) | |
462 | * | |
463 | * Return: | |
464 | * Not Found : 0 | |
465 | * Found : 1 | |
466 | */ | |
467 | static int | |
468 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
469 | { | |
fe74c71f AV |
470 | #define ABORT_POLLING_PERIOD 1000 |
471 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
472 | unsigned long wait_iter = ABORT_WAIT_ITER; |
473 | int ret = QLA_SUCCESS; | |
1da177e4 | 474 | |
f4f051eb | 475 | while (CMD_SP(cmd)) { |
fe74c71f | 476 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 477 | |
f4f051eb AV |
478 | if (--wait_iter) |
479 | break; | |
480 | } | |
481 | if (CMD_SP(cmd)) | |
482 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 483 | |
f4f051eb | 484 | return ret; |
1da177e4 LT |
485 | } |
486 | ||
487 | /* | |
488 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 489 | * Wait till the HBA is online after going through |
1da177e4 LT |
490 | * <= MAX_RETRIES_OF_ISP_ABORT or |
491 | * finally HBA is disabled ie marked offline | |
492 | * | |
493 | * Input: | |
494 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
495 | * |
496 | * Note: | |
1da177e4 LT |
497 | * Does context switching-Release SPIN_LOCK |
498 | * (if any) before calling this routine. | |
499 | * | |
500 | * Return: | |
501 | * Success (Adapter is online) : 0 | |
502 | * Failed (Adapter is offline/disabled) : 1 | |
503 | */ | |
fa2a1ce5 | 504 | static int |
1da177e4 LT |
505 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
506 | { | |
fca29703 AV |
507 | int return_status; |
508 | unsigned long wait_online; | |
1da177e4 | 509 | |
fa2a1ce5 | 510 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
511 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
512 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
513 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
514 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
515 | ||
516 | msleep(1000); | |
517 | } | |
fa2a1ce5 AV |
518 | if (ha->flags.online) |
519 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
520 | else |
521 | return_status = QLA_FUNCTION_FAILED; | |
522 | ||
523 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
524 | ||
525 | return (return_status); | |
526 | } | |
527 | ||
528 | /* | |
529 | * qla2x00_wait_for_loop_ready | |
530 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 531 | * to be in LOOP_READY state. |
1da177e4 LT |
532 | * Input: |
533 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
534 | * |
535 | * Note: | |
1da177e4 LT |
536 | * Does context switching-Release SPIN_LOCK |
537 | * (if any) before calling this routine. | |
fa2a1ce5 | 538 | * |
1da177e4 LT |
539 | * |
540 | * Return: | |
541 | * Success (LOOP_READY) : 0 | |
542 | * Failed (LOOP_NOT_READY) : 1 | |
543 | */ | |
fa2a1ce5 | 544 | static inline int |
1da177e4 LT |
545 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
546 | { | |
547 | int return_status = QLA_SUCCESS; | |
548 | unsigned long loop_timeout ; | |
549 | ||
550 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 551 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
552 | |
553 | while ((!atomic_read(&ha->loop_down_timer) && | |
554 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 LT |
555 | atomic_read(&ha->loop_state) != LOOP_READY) { |
556 | msleep(1000); | |
557 | if (time_after_eq(jiffies, loop_timeout)) { | |
558 | return_status = QLA_FUNCTION_FAILED; | |
559 | break; | |
560 | } | |
561 | } | |
fa2a1ce5 | 562 | return (return_status); |
1da177e4 LT |
563 | } |
564 | ||
565 | /************************************************************************** | |
566 | * qla2xxx_eh_abort | |
567 | * | |
568 | * Description: | |
569 | * The abort function will abort the specified command. | |
570 | * | |
571 | * Input: | |
572 | * cmd = Linux SCSI command packet to be aborted. | |
573 | * | |
574 | * Returns: | |
575 | * Either SUCCESS or FAILED. | |
576 | * | |
577 | * Note: | |
578 | **************************************************************************/ | |
579 | int | |
580 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | |
581 | { | |
f4f051eb AV |
582 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
583 | srb_t *sp; | |
584 | int ret, i; | |
585 | unsigned int id, lun; | |
586 | unsigned long serial; | |
18e144d3 | 587 | unsigned long flags; |
1da177e4 | 588 | |
f4f051eb AV |
589 | if (!CMD_SP(cmd)) |
590 | return FAILED; | |
1da177e4 | 591 | |
f4f051eb | 592 | ret = FAILED; |
1da177e4 | 593 | |
f4f051eb AV |
594 | id = cmd->device->id; |
595 | lun = cmd->device->lun; | |
596 | serial = cmd->serial_number; | |
1da177e4 | 597 | |
f4f051eb | 598 | /* Check active list for command command. */ |
18e144d3 | 599 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb AV |
600 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
601 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 602 | |
f4f051eb AV |
603 | if (sp == NULL) |
604 | continue; | |
1da177e4 | 605 | |
f4f051eb AV |
606 | if (sp->cmd != cmd) |
607 | continue; | |
1da177e4 | 608 | |
f4f051eb AV |
609 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld " |
610 | "sp->state=%x\n", __func__, ha->host_no, sp, serial, | |
611 | sp->state)); | |
612 | DEBUG3(qla2x00_print_scsi_cmd(cmd);) | |
1da177e4 | 613 | |
18e144d3 | 614 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 615 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
616 | DEBUG2(printk("%s(%ld): abort_command " |
617 | "mbx failed.\n", __func__, ha->host_no)); | |
618 | } else { | |
619 | DEBUG3(printk("%s(%ld): abort_command " | |
620 | "mbx success.\n", __func__, ha->host_no)); | |
621 | ret = SUCCESS; | |
622 | } | |
18e144d3 | 623 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 624 | |
f4f051eb AV |
625 | break; |
626 | } | |
18e144d3 | 627 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 628 | |
f4f051eb AV |
629 | /* Wait for the command to be returned. */ |
630 | if (ret == SUCCESS) { | |
f4f051eb | 631 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 632 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
633 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
634 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
635 | } | |
1da177e4 | 636 | } |
1da177e4 | 637 | |
fa2a1ce5 | 638 | qla_printk(KERN_INFO, ha, |
f4f051eb AV |
639 | "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, |
640 | id, lun, serial, ret); | |
1da177e4 | 641 | |
f4f051eb AV |
642 | return ret; |
643 | } | |
1da177e4 | 644 | |
f4f051eb AV |
645 | /************************************************************************** |
646 | * qla2x00_eh_wait_for_pending_target_commands | |
647 | * | |
648 | * Description: | |
649 | * Waits for all the commands to come back from the specified target. | |
650 | * | |
651 | * Input: | |
652 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 653 | * t - target |
f4f051eb AV |
654 | * Returns: |
655 | * Either SUCCESS or FAILED. | |
656 | * | |
657 | * Note: | |
658 | **************************************************************************/ | |
659 | static int | |
660 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
661 | { | |
662 | int cnt; | |
663 | int status; | |
664 | srb_t *sp; | |
665 | struct scsi_cmnd *cmd; | |
18e144d3 | 666 | unsigned long flags; |
1da177e4 | 667 | |
f4f051eb | 668 | status = 0; |
1da177e4 LT |
669 | |
670 | /* | |
f4f051eb AV |
671 | * Waiting for all commands for the designated target in the active |
672 | * array | |
1da177e4 LT |
673 | */ |
674 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 675 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
676 | sp = ha->outstanding_cmds[cnt]; |
677 | if (sp) { | |
678 | cmd = sp->cmd; | |
18e144d3 | 679 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
680 | if (cmd->device->id == t) { |
681 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
682 | status = 1; | |
683 | break; | |
684 | } | |
685 | } | |
f4f051eb | 686 | } else { |
18e144d3 | 687 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
688 | } |
689 | } | |
690 | return (status); | |
691 | } | |
692 | ||
693 | ||
694 | /************************************************************************** | |
695 | * qla2xxx_eh_device_reset | |
696 | * | |
697 | * Description: | |
698 | * The device reset function will reset the target and abort any | |
699 | * executing commands. | |
700 | * | |
701 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 702 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
703 | * non-null. |
704 | * | |
705 | * Input: | |
706 | * cmd = Linux SCSI command packet of the command that cause the | |
707 | * bus device reset. | |
708 | * | |
709 | * Returns: | |
710 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
711 | * | |
712 | **************************************************************************/ | |
713 | int | |
714 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
715 | { | |
f4f051eb | 716 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 717 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
718 | srb_t *sp; |
719 | int ret; | |
720 | unsigned int id, lun; | |
721 | unsigned long serial; | |
1da177e4 | 722 | |
f4f051eb | 723 | ret = FAILED; |
1da177e4 | 724 | |
f4f051eb AV |
725 | id = cmd->device->id; |
726 | lun = cmd->device->lun; | |
727 | serial = cmd->serial_number; | |
1da177e4 | 728 | |
f4f051eb | 729 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 730 | if (!sp || !fcport) |
f4f051eb | 731 | return ret; |
1da177e4 LT |
732 | |
733 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 734 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 735 | |
94d0e7b8 | 736 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 737 | goto eh_dev_reset_done; |
1da177e4 LT |
738 | |
739 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
740 | if (qla2x00_device_reset(ha, fcport) == 0) |
741 | ret = SUCCESS; | |
1da177e4 LT |
742 | |
743 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
744 | if (ret == SUCCESS) { |
745 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 746 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
f4f051eb | 747 | qla2x00_mark_device_lost(ha, fcport); |
1da177e4 LT |
748 | } |
749 | } | |
750 | #endif | |
751 | } else { | |
752 | DEBUG2(printk(KERN_INFO | |
753 | "%s failed: loop not ready\n",__func__);) | |
754 | } | |
755 | ||
f4f051eb | 756 | if (ret == FAILED) { |
1da177e4 LT |
757 | DEBUG3(printk("%s(%ld): device reset failed\n", |
758 | __func__, ha->host_no)); | |
759 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
760 | __func__); | |
761 | ||
762 | goto eh_dev_reset_done; | |
763 | } | |
764 | ||
9a41a62b AV |
765 | /* Flush outstanding commands. */ |
766 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
767 | ret = FAILED; | |
768 | if (ret == FAILED) { | |
769 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
770 | __func__, ha->host_no)); | |
771 | qla_printk(KERN_INFO, ha, | |
772 | "%s: failed while waiting for commands\n", __func__); | |
773 | } else | |
774 | qla_printk(KERN_INFO, ha, | |
775 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
776 | id, lun); | |
1da177e4 | 777 | |
f4f051eb | 778 | return ret; |
1da177e4 LT |
779 | } |
780 | ||
781 | /************************************************************************** | |
782 | * qla2x00_eh_wait_for_pending_commands | |
783 | * | |
784 | * Description: | |
785 | * Waits for all the commands to come back from the specified host. | |
786 | * | |
787 | * Input: | |
788 | * ha - pointer to scsi_qla_host structure. | |
789 | * | |
790 | * Returns: | |
791 | * 1 : SUCCESS | |
792 | * 0 : FAILED | |
793 | * | |
794 | * Note: | |
795 | **************************************************************************/ | |
796 | static int | |
797 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
798 | { | |
799 | int cnt; | |
800 | int status; | |
801 | srb_t *sp; | |
802 | struct scsi_cmnd *cmd; | |
18e144d3 | 803 | unsigned long flags; |
1da177e4 LT |
804 | |
805 | status = 1; | |
806 | ||
807 | /* | |
808 | * Waiting for all commands for the designated target in the active | |
809 | * array | |
810 | */ | |
811 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 812 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
813 | sp = ha->outstanding_cmds[cnt]; |
814 | if (sp) { | |
815 | cmd = sp->cmd; | |
18e144d3 | 816 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
817 | status = qla2x00_eh_wait_on_command(ha, cmd); |
818 | if (status == 0) | |
819 | break; | |
820 | } | |
821 | else { | |
18e144d3 | 822 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
823 | } |
824 | } | |
825 | return (status); | |
826 | } | |
827 | ||
828 | ||
829 | /************************************************************************** | |
830 | * qla2xxx_eh_bus_reset | |
831 | * | |
832 | * Description: | |
833 | * The bus reset function will reset the bus and abort any executing | |
834 | * commands. | |
835 | * | |
836 | * Input: | |
837 | * cmd = Linux SCSI command packet of the command that cause the | |
838 | * bus reset. | |
839 | * | |
840 | * Returns: | |
841 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
842 | * | |
843 | **************************************************************************/ | |
844 | int | |
845 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | |
846 | { | |
f4f051eb | 847 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 848 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
1da177e4 | 849 | srb_t *sp; |
f4f051eb AV |
850 | int ret; |
851 | unsigned int id, lun; | |
852 | unsigned long serial; | |
853 | ||
854 | ret = FAILED; | |
855 | ||
856 | id = cmd->device->id; | |
857 | lun = cmd->device->lun; | |
858 | serial = cmd->serial_number; | |
1da177e4 | 859 | |
1da177e4 | 860 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 861 | if (!sp || !fcport) |
f4f051eb | 862 | return ret; |
1da177e4 LT |
863 | |
864 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 865 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 866 | |
1da177e4 LT |
867 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
868 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 869 | goto eh_bus_reset_done; |
1da177e4 LT |
870 | } |
871 | ||
872 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
873 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
874 | ret = SUCCESS; | |
1da177e4 | 875 | } |
f4f051eb AV |
876 | if (ret == FAILED) |
877 | goto eh_bus_reset_done; | |
1da177e4 | 878 | |
9a41a62b AV |
879 | /* Flush outstanding commands. */ |
880 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
881 | ret = FAILED; | |
1da177e4 | 882 | |
f4f051eb | 883 | eh_bus_reset_done: |
1da177e4 | 884 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 885 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 886 | |
f4f051eb | 887 | return ret; |
1da177e4 LT |
888 | } |
889 | ||
890 | /************************************************************************** | |
891 | * qla2xxx_eh_host_reset | |
892 | * | |
893 | * Description: | |
894 | * The reset function will reset the Adapter. | |
895 | * | |
896 | * Input: | |
897 | * cmd = Linux SCSI command packet of the command that cause the | |
898 | * adapter reset. | |
899 | * | |
900 | * Returns: | |
901 | * Either SUCCESS or FAILED. | |
902 | * | |
903 | * Note: | |
904 | **************************************************************************/ | |
905 | int | |
906 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
907 | { | |
f4f051eb | 908 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 909 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
910 | srb_t *sp; |
911 | int ret; | |
912 | unsigned int id, lun; | |
913 | unsigned long serial; | |
1da177e4 | 914 | |
f4f051eb AV |
915 | ret = FAILED; |
916 | ||
917 | id = cmd->device->id; | |
918 | lun = cmd->device->lun; | |
919 | serial = cmd->serial_number; | |
920 | ||
921 | sp = (srb_t *) CMD_SP(cmd); | |
bdf79621 | 922 | if (!sp || !fcport) |
f4f051eb | 923 | return ret; |
1da177e4 | 924 | |
1da177e4 | 925 | qla_printk(KERN_INFO, ha, |
f4f051eb | 926 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 927 | |
1da177e4 | 928 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 929 | goto eh_host_reset_lock; |
1da177e4 LT |
930 | |
931 | /* | |
932 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 933 | * loop_resync,so wait a while for it to |
1da177e4 LT |
934 | * be completed and then issue big hammer.Otherwise |
935 | * it may cause I/O failure as big hammer marks the | |
936 | * devices as lost kicking of the port_down_timer | |
937 | * while dpc is stuck for the mailbox to complete. | |
938 | */ | |
1da177e4 LT |
939 | qla2x00_wait_for_loop_ready(ha); |
940 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
941 | if (qla2x00_abort_isp(ha)) { | |
942 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
943 | /* failed. schedule dpc to try */ | |
944 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
945 | ||
946 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 947 | goto eh_host_reset_lock; |
fa2a1ce5 | 948 | } |
1da177e4 LT |
949 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
950 | ||
1da177e4 | 951 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb AV |
952 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
953 | ret = SUCCESS; | |
1da177e4 | 954 | |
f4f051eb | 955 | eh_host_reset_lock: |
f4f051eb AV |
956 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
957 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 958 | |
f4f051eb AV |
959 | return ret; |
960 | } | |
1da177e4 LT |
961 | |
962 | /* | |
963 | * qla2x00_loop_reset | |
964 | * Issue loop reset. | |
965 | * | |
966 | * Input: | |
967 | * ha = adapter block pointer. | |
968 | * | |
969 | * Returns: | |
970 | * 0 = success | |
971 | */ | |
972 | static int | |
973 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
974 | { | |
975 | int status = QLA_SUCCESS; | |
bdf79621 | 976 | struct fc_port *fcport; |
1da177e4 LT |
977 | |
978 | if (ha->flags.enable_lip_reset) { | |
979 | status = qla2x00_lip_reset(ha); | |
980 | } | |
981 | ||
982 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 AV |
983 | list_for_each_entry(fcport, &ha->fcports, list) { |
984 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
985 | continue; |
986 | ||
c00c72ae | 987 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 988 | if (status != QLA_SUCCESS) |
1da177e4 | 989 | break; |
1da177e4 LT |
990 | } |
991 | } | |
992 | ||
993 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 994 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
995 | !ha->flags.enable_lip_reset) || |
996 | ha->flags.enable_lip_full_login)) { | |
997 | ||
998 | status = qla2x00_full_login_lip(ha); | |
999 | } | |
1000 | ||
1001 | /* Issue marker command only when we are going to start the I/O */ | |
1002 | ha->marker_needed = 1; | |
1003 | ||
1004 | if (status) { | |
1005 | /* Empty */ | |
1006 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1007 | __func__, | |
1008 | ha->host_no);) | |
1009 | } else { | |
1010 | /* Empty */ | |
1011 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1012 | __func__, | |
1013 | ha->host_no);) | |
1014 | } | |
1015 | ||
1016 | return(status); | |
1017 | } | |
1018 | ||
1019 | /* | |
1020 | * qla2x00_device_reset | |
1021 | * Issue bus device reset message to the target. | |
1022 | * | |
1023 | * Input: | |
1024 | * ha = adapter block pointer. | |
1025 | * t = SCSI ID. | |
1026 | * TARGET_QUEUE_LOCK must be released. | |
1027 | * ADAPTER_STATE_LOCK must be released. | |
1028 | * | |
1029 | * Context: | |
1030 | * Kernel context. | |
1031 | */ | |
1032 | static int | |
1033 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1034 | { | |
1035 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1036 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1037 | } |
1038 | ||
f4f051eb AV |
1039 | static int |
1040 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1041 | { |
bdf79621 | 1042 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1043 | |
bdf79621 | 1044 | if (!rport) |
f4f051eb | 1045 | return -ENXIO; |
bdf79621 | 1046 | |
77d74143 | 1047 | sdev->hostdata = rport->dd_data; |
1da177e4 | 1048 | |
f4f051eb AV |
1049 | return 0; |
1050 | } | |
1da177e4 | 1051 | |
f4f051eb AV |
1052 | static int |
1053 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1054 | { | |
8482e118 AV |
1055 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1056 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1057 | ||
f4f051eb AV |
1058 | if (sdev->tagged_supported) |
1059 | scsi_activate_tcq(sdev, 32); | |
1060 | else | |
1061 | scsi_deactivate_tcq(sdev, 32); | |
1da177e4 | 1062 | |
8482e118 AV |
1063 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1064 | ||
f4f051eb AV |
1065 | return 0; |
1066 | } | |
1da177e4 | 1067 | |
f4f051eb AV |
1068 | static void |
1069 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1070 | { | |
1071 | sdev->hostdata = NULL; | |
1da177e4 LT |
1072 | } |
1073 | ||
ce7e4af7 AV |
1074 | static int |
1075 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1076 | { | |
1077 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1078 | return sdev->queue_depth; | |
1079 | } | |
1080 | ||
1081 | static int | |
1082 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1083 | { | |
1084 | if (sdev->tagged_supported) { | |
1085 | scsi_set_tag_type(sdev, tag_type); | |
1086 | if (tag_type) | |
1087 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1088 | else | |
1089 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1090 | } else | |
1091 | tag_type = 0; | |
1092 | ||
1093 | return tag_type; | |
1094 | } | |
1095 | ||
1da177e4 LT |
1096 | /** |
1097 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1098 | * @ha: HA context | |
1099 | * | |
1100 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1101 | * supported addressing method. | |
1102 | */ | |
1103 | static void | |
1104 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1105 | { | |
7524f9b9 | 1106 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1107 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1108 | |
7524f9b9 AV |
1109 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1110 | /* Any upper-dword bits set? */ | |
1111 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1112 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1113 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1114 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1115 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1116 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1117 | return; |
1da177e4 | 1118 | } |
1da177e4 | 1119 | } |
7524f9b9 AV |
1120 | |
1121 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1122 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1123 | } |
1124 | ||
1125 | static int | |
1126 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1127 | { | |
1128 | unsigned long pio, pio_len, pio_flags; | |
1129 | unsigned long mmio, mmio_len, mmio_flags; | |
1130 | ||
1131 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1132 | pio = pci_resource_start(ha->pdev, 0); | |
1133 | pio_len = pci_resource_len(ha->pdev, 0); | |
1134 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1135 | if (pio_flags & IORESOURCE_IO) { | |
1136 | if (pio_len < MIN_IOBASE_LEN) { | |
1137 | qla_printk(KERN_WARNING, ha, | |
1138 | "Invalid PCI I/O region size (%s)...\n", | |
1139 | pci_name(ha->pdev)); | |
1140 | pio = 0; | |
1141 | } | |
1142 | } else { | |
1143 | qla_printk(KERN_WARNING, ha, | |
1144 | "region #0 not a PIO resource (%s)...\n", | |
1145 | pci_name(ha->pdev)); | |
1146 | pio = 0; | |
1147 | } | |
1148 | ||
1149 | /* Use MMIO operations for all accesses. */ | |
1150 | mmio = pci_resource_start(ha->pdev, 1); | |
1151 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1152 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1153 | ||
1154 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1155 | qla_printk(KERN_ERR, ha, | |
1156 | "region #0 not an MMIO resource (%s), aborting\n", | |
1157 | pci_name(ha->pdev)); | |
1158 | goto iospace_error_exit; | |
1159 | } | |
1160 | if (mmio_len < MIN_IOBASE_LEN) { | |
1161 | qla_printk(KERN_ERR, ha, | |
1162 | "Invalid PCI mem region size (%s), aborting\n", | |
1163 | pci_name(ha->pdev)); | |
1164 | goto iospace_error_exit; | |
1165 | } | |
1166 | ||
1167 | if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) { | |
1168 | qla_printk(KERN_WARNING, ha, | |
1169 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1170 | pci_name(ha->pdev)); | |
1171 | ||
1172 | goto iospace_error_exit; | |
1173 | } | |
1174 | ||
1175 | ha->pio_address = pio; | |
1176 | ha->pio_length = pio_len; | |
1177 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1178 | if (!ha->iobase) { | |
1179 | qla_printk(KERN_ERR, ha, | |
1180 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1181 | ||
1182 | goto iospace_error_exit; | |
1183 | } | |
1184 | ||
1185 | return (0); | |
1186 | ||
1187 | iospace_error_exit: | |
1188 | return (-ENOMEM); | |
1189 | } | |
1190 | ||
abbd8870 AV |
1191 | static void |
1192 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1193 | { | |
1194 | unsigned long flags = 0; | |
3d71644c | 1195 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1196 | |
1197 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1198 | ha->interrupts_on = 1; | |
1199 | /* enable risc and host interrupts */ | |
1200 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1201 | RD_REG_WORD(®->ictrl); | |
1202 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1203 | ||
1204 | } | |
1205 | ||
1206 | static void | |
1207 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1208 | { | |
1209 | unsigned long flags = 0; | |
3d71644c | 1210 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1211 | |
1212 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1213 | ha->interrupts_on = 0; | |
1214 | /* disable risc and host interrupts */ | |
1215 | WRT_REG_WORD(®->ictrl, 0); | |
1216 | RD_REG_WORD(®->ictrl); | |
1217 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1218 | } | |
1219 | ||
fca29703 AV |
1220 | static void |
1221 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1222 | { | |
1223 | unsigned long flags = 0; | |
1224 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1225 | ||
1226 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1227 | ha->interrupts_on = 1; | |
1228 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1229 | RD_REG_DWORD(®->ictrl); | |
1230 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1231 | } | |
1232 | ||
1233 | static void | |
1234 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1235 | { | |
1236 | unsigned long flags = 0; | |
1237 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1238 | ||
1239 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1240 | ha->interrupts_on = 0; | |
1241 | WRT_REG_DWORD(®->ictrl, 0); | |
1242 | RD_REG_DWORD(®->ictrl); | |
1243 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1244 | } | |
1245 | ||
1da177e4 LT |
1246 | /* |
1247 | * PCI driver interface | |
1248 | */ | |
1249 | int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info) | |
1250 | { | |
a1541d5a | 1251 | int ret = -ENODEV; |
fca29703 | 1252 | device_reg_t __iomem *reg; |
1da177e4 LT |
1253 | struct Scsi_Host *host; |
1254 | scsi_qla_host_t *ha; | |
1255 | unsigned long flags = 0; | |
1256 | unsigned long wait_switch = 0; | |
1257 | char pci_info[20]; | |
1258 | char fw_str[30]; | |
8482e118 | 1259 | fc_port_t *fcport; |
1da177e4 LT |
1260 | |
1261 | if (pci_enable_device(pdev)) | |
a1541d5a | 1262 | goto probe_out; |
1da177e4 | 1263 | |
fca29703 AV |
1264 | host = scsi_host_alloc(brd_info->sht ? brd_info->sht: |
1265 | &qla2x00_driver_template, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1266 | if (host == NULL) { |
1267 | printk(KERN_WARNING | |
1268 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1269 | goto probe_disable_device; | |
1270 | } | |
1271 | ||
1272 | /* Clear our data area */ | |
1273 | ha = (scsi_qla_host_t *)host->hostdata; | |
1274 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1275 | ||
1276 | ha->pdev = pdev; | |
1277 | ha->host = host; | |
1278 | ha->host_no = host->host_no; | |
1279 | ha->brd_info = brd_info; | |
1280 | sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no); | |
1281 | ||
444d1d9b AM |
1282 | ha->dpc_pid = -1; |
1283 | ||
1da177e4 LT |
1284 | /* Configure PCI I/O space */ |
1285 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1286 | if (ret) |
1287 | goto probe_failed; | |
1da177e4 | 1288 | |
1da177e4 LT |
1289 | qla_printk(KERN_INFO, ha, |
1290 | "Found an %s, irq %d, iobase 0x%p\n", ha->brd_info->isp_name, | |
fca29703 | 1291 | pdev->irq, ha->iobase); |
1da177e4 LT |
1292 | |
1293 | spin_lock_init(&ha->hardware_lock); | |
1294 | ||
1da177e4 LT |
1295 | ha->prev_topology = 0; |
1296 | ha->ports = MAX_BUSES; | |
fca29703 | 1297 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1298 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
1da177e4 | 1299 | |
abbd8870 AV |
1300 | /* Assign ISP specific operations. */ |
1301 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1302 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1303 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1304 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1305 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1306 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1307 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1308 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1309 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1310 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1311 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1312 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1313 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1314 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1315 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1316 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1317 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1318 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1319 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1320 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1321 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1322 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1323 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 AV |
1324 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
1325 | ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump; | |
1da177e4 | 1326 | if (IS_QLA2100(ha)) { |
354d6b21 | 1327 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1328 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1329 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1330 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1331 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1332 | host->sg_tablesize = 32; | |
abbd8870 | 1333 | ha->gid_list_info_size = 4; |
1da177e4 | 1334 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1335 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1336 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1337 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1338 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1339 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1340 | ha->gid_list_info_size = 4; |
fca29703 | 1341 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1342 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1343 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1344 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1345 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1346 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1347 | ha->isp_ops.pci_config = qla2300_pci_config; |
1348 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1349 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
1350 | ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump; | |
1351 | ha->gid_list_info_size = 6; | |
fca29703 AV |
1352 | } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
1353 | host->max_id = MAX_TARGETS_2200; | |
1354 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1355 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1356 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1357 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1358 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1359 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1360 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1361 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1362 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1363 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1364 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1365 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1366 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
1367 | ha->isp_ops.load_risc = qla24xx_load_risc_flash; | |
1368 | if (ql2xfwloadbin) | |
1369 | ha->isp_ops.load_risc = qla24xx_load_risc_hotplug; | |
1370 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; | |
1371 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1372 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1373 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1374 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1375 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1376 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1377 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1378 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1379 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1380 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1381 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1382 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1383 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
1384 | ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump; | |
1385 | ha->gid_list_info_size = 8; | |
1da177e4 LT |
1386 | } |
1387 | host->can_queue = ha->request_q_length + 128; | |
1388 | ||
1389 | /* load the F/W, read paramaters, and init the H/W */ | |
1390 | ha->instance = num_hosts; | |
1391 | ||
1392 | init_MUTEX(&ha->mbx_cmd_sem); | |
1393 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1394 | ||
1395 | INIT_LIST_HEAD(&ha->list); | |
1396 | INIT_LIST_HEAD(&ha->fcports); | |
1397 | INIT_LIST_HEAD(&ha->rscn_fcports); | |
1da177e4 LT |
1398 | |
1399 | /* | |
1400 | * These locks are used to prevent more than one CPU | |
1401 | * from modifying the queue at the same time. The | |
1402 | * higher level "host_lock" will reduce most | |
1403 | * contention for these locks. | |
1404 | */ | |
1405 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 | 1406 | |
1da177e4 LT |
1407 | init_completion(&ha->dpc_inited); |
1408 | init_completion(&ha->dpc_exited); | |
1409 | ||
1410 | qla2x00_config_dma_addressing(ha); | |
1411 | if (qla2x00_mem_alloc(ha)) { | |
1412 | qla_printk(KERN_WARNING, ha, | |
1413 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1414 | ||
a1541d5a AV |
1415 | ret = -ENOMEM; |
1416 | goto probe_failed; | |
1da177e4 LT |
1417 | } |
1418 | ||
1419 | if (qla2x00_initialize_adapter(ha) && | |
1420 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1421 | ||
1422 | qla_printk(KERN_WARNING, ha, | |
1423 | "Failed to initialize adapter\n"); | |
1424 | ||
1425 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1426 | "Adapter flags %x.\n", | |
1427 | ha->host_no, ha->device_flags)); | |
1428 | ||
a1541d5a | 1429 | ret = -ENODEV; |
1da177e4 LT |
1430 | goto probe_failed; |
1431 | } | |
1432 | ||
1433 | /* | |
1434 | * Startup the kernel thread for this host adapter | |
1435 | */ | |
1436 | ha->dpc_should_die = 0; | |
1437 | ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0); | |
1438 | if (ha->dpc_pid < 0) { | |
1439 | qla_printk(KERN_WARNING, ha, | |
1440 | "Unable to start DPC thread!\n"); | |
1441 | ||
a1541d5a | 1442 | ret = -ENODEV; |
1da177e4 LT |
1443 | goto probe_failed; |
1444 | } | |
1445 | wait_for_completion(&ha->dpc_inited); | |
1446 | ||
a1541d5a AV |
1447 | host->this_id = 255; |
1448 | host->cmd_per_lun = 3; | |
1449 | host->unique_id = ha->instance; | |
1450 | host->max_cmd_len = MAX_CMDSZ; | |
1451 | host->max_channel = ha->ports - 1; | |
1452 | host->max_lun = MAX_LUNS; | |
1453 | host->transportt = qla2xxx_transport_template; | |
1454 | ||
fca29703 | 1455 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
abbd8870 | 1456 | SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha); |
a1541d5a | 1457 | if (ret) { |
1da177e4 LT |
1458 | qla_printk(KERN_WARNING, ha, |
1459 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1460 | pdev->irq); |
1da177e4 LT |
1461 | goto probe_failed; |
1462 | } | |
fca29703 | 1463 | host->irq = pdev->irq; |
1da177e4 LT |
1464 | |
1465 | /* Initialized the timer */ | |
1466 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1467 | ||
1468 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1469 | ha->host_no, ha)); | |
1470 | ||
abbd8870 | 1471 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1472 | |
1da177e4 | 1473 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 AV |
1474 | reg = ha->iobase; |
1475 | if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { | |
1476 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1477 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1478 | } else { | |
1479 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1480 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1481 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1482 | ||
1483 | /* Enable proper parity */ | |
1484 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1485 | if (IS_QLA2300(ha)) | |
1486 | /* SRAM parity */ | |
1487 | WRT_REG_WORD(®->isp.hccr, | |
1488 | (HCCR_ENABLE_PARITY + 0x1)); | |
1489 | else | |
1490 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1491 | WRT_REG_WORD(®->isp.hccr, | |
1492 | (HCCR_ENABLE_PARITY + 0x7)); | |
1493 | } | |
1da177e4 LT |
1494 | } |
1495 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1496 | ||
abbd8870 | 1497 | ha->isp_ops.enable_intrs(ha); |
1da177e4 LT |
1498 | |
1499 | /* v2.19.5b6 */ | |
1500 | /* | |
1501 | * Wait around max loop_reset_delay secs for the devices to come | |
1502 | * on-line. We don't want Linux scanning before we are ready. | |
1503 | * | |
1504 | */ | |
1505 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); | |
1506 | time_before(jiffies,wait_switch) && | |
1507 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) | |
1508 | && (ha->device_flags & SWITCH_FOUND) ;) { | |
1509 | ||
1510 | qla2x00_check_fabric_devices(ha); | |
1511 | ||
1512 | msleep(10); | |
1513 | } | |
1514 | ||
a1541d5a | 1515 | pci_set_drvdata(pdev, ha); |
1da177e4 LT |
1516 | ha->flags.init_done = 1; |
1517 | num_hosts++; | |
1518 | ||
a1541d5a AV |
1519 | ret = scsi_add_host(host, &pdev->dev); |
1520 | if (ret) | |
1521 | goto probe_failed; | |
1522 | ||
1523 | qla2x00_alloc_sysfs_attr(ha); | |
1524 | ||
1525 | qla2x00_init_host_attr(ha); | |
1526 | ||
1da177e4 LT |
1527 | qla_printk(KERN_INFO, ha, "\n" |
1528 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1529 | " QLogic %s - %s\n" | |
1530 | " %s: %s @ %s hdma%c, host#=%ld, fw=%s\n", qla2x00_version_str, | |
1531 | ha->model_number, ha->model_desc ? ha->model_desc: "", | |
abbd8870 | 1532 | ha->brd_info->isp_name, ha->isp_ops.pci_info_str(ha, pci_info), |
fca29703 | 1533 | pci_name(pdev), ha->flags.enable_64bit_addressing ? '+': '-', |
abbd8870 | 1534 | ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str)); |
1da177e4 | 1535 | |
8482e118 AV |
1536 | /* Go with fc_rport registration. */ |
1537 | list_for_each_entry(fcport, &ha->fcports, list) | |
1538 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1539 | |
1540 | return 0; | |
1541 | ||
1542 | probe_failed: | |
1543 | qla2x00_free_device(ha); | |
1544 | ||
1545 | scsi_host_put(host); | |
1546 | ||
1547 | probe_disable_device: | |
1548 | pci_disable_device(pdev); | |
1549 | ||
a1541d5a AV |
1550 | probe_out: |
1551 | return ret; | |
1da177e4 LT |
1552 | } |
1553 | EXPORT_SYMBOL_GPL(qla2x00_probe_one); | |
1554 | ||
1555 | void qla2x00_remove_one(struct pci_dev *pdev) | |
1556 | { | |
1557 | scsi_qla_host_t *ha; | |
1558 | ||
1559 | ha = pci_get_drvdata(pdev); | |
1560 | ||
8482e118 | 1561 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1562 | |
bdf79621 AV |
1563 | fc_remove_host(ha->host); |
1564 | ||
1da177e4 LT |
1565 | scsi_remove_host(ha->host); |
1566 | ||
1567 | qla2x00_free_device(ha); | |
1568 | ||
1569 | scsi_host_put(ha->host); | |
1570 | ||
1571 | pci_set_drvdata(pdev, NULL); | |
1572 | } | |
1573 | EXPORT_SYMBOL_GPL(qla2x00_remove_one); | |
1574 | ||
1575 | static void | |
1576 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1577 | { | |
1578 | int ret; | |
1579 | ||
1580 | /* Abort any outstanding IO descriptors. */ | |
1581 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1582 | qla2x00_cancel_io_descriptors(ha); | |
1583 | ||
1da177e4 LT |
1584 | /* Disable timer */ |
1585 | if (ha->timer_active) | |
1586 | qla2x00_stop_timer(ha); | |
1587 | ||
1588 | /* Kill the kernel thread for this host */ | |
1589 | if (ha->dpc_pid >= 0) { | |
1590 | ha->dpc_should_die = 1; | |
1591 | wmb(); | |
1592 | ret = kill_proc(ha->dpc_pid, SIGHUP, 1); | |
1593 | if (ret) { | |
1594 | qla_printk(KERN_ERR, ha, | |
1595 | "Unable to signal DPC thread -- (%d)\n", ret); | |
1596 | ||
1597 | /* TODO: SOMETHING MORE??? */ | |
1598 | } else { | |
1599 | wait_for_completion(&ha->dpc_exited); | |
1600 | } | |
1601 | } | |
1602 | ||
f6ef3b18 AV |
1603 | /* Stop currently executing firmware. */ |
1604 | qla2x00_stop_firmware(ha); | |
1da177e4 | 1605 | |
f6ef3b18 AV |
1606 | /* turn-off interrupts on the card */ |
1607 | if (ha->interrupts_on) | |
1608 | ha->isp_ops.disable_intrs(ha); | |
1609 | ||
1610 | qla2x00_mem_free(ha); | |
1da177e4 LT |
1611 | |
1612 | ha->flags.online = 0; | |
1613 | ||
1614 | /* Detach interrupts */ | |
1615 | if (ha->pdev->irq) | |
1616 | free_irq(ha->pdev->irq, ha); | |
1617 | ||
1618 | /* release io space registers */ | |
1619 | if (ha->iobase) | |
1620 | iounmap(ha->iobase); | |
1621 | pci_release_regions(ha->pdev); | |
1622 | ||
1623 | pci_disable_device(ha->pdev); | |
1624 | } | |
1625 | ||
1da177e4 LT |
1626 | /* |
1627 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1628 | * | |
1629 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1630 | * | |
1631 | * Return: None. | |
1632 | * | |
1633 | * Context: | |
1634 | */ | |
1635 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
1636 | int do_login) | |
1637 | { | |
8482e118 AV |
1638 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
1639 | fc_remote_port_block(fcport->rport); | |
fa2a1ce5 | 1640 | /* |
1da177e4 LT |
1641 | * We may need to retry the login, so don't change the state of the |
1642 | * port but do the retries. | |
1643 | */ | |
1644 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1645 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1646 | ||
1647 | if (!do_login) | |
1648 | return; | |
1649 | ||
1650 | if (fcport->login_retry == 0) { | |
1651 | fcport->login_retry = ha->login_retry_count; | |
1652 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1653 | ||
1654 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1655 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1656 | "id = 0x%04x retry cnt=%d\n", | |
1657 | ha->host_no, | |
1658 | fcport->port_name[0], | |
1659 | fcport->port_name[1], | |
1660 | fcport->port_name[2], | |
1661 | fcport->port_name[3], | |
1662 | fcport->port_name[4], | |
1663 | fcport->port_name[5], | |
1664 | fcport->port_name[6], | |
1665 | fcport->port_name[7], | |
1666 | fcport->loop_id, | |
1667 | fcport->login_retry)); | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | /* | |
1672 | * qla2x00_mark_all_devices_lost | |
1673 | * Updates fcport state when device goes offline. | |
1674 | * | |
1675 | * Input: | |
1676 | * ha = adapter block pointer. | |
1677 | * fcport = port structure pointer. | |
1678 | * | |
1679 | * Return: | |
1680 | * None. | |
1681 | * | |
1682 | * Context: | |
1683 | */ | |
1684 | void | |
fa2a1ce5 | 1685 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha) |
1da177e4 LT |
1686 | { |
1687 | fc_port_t *fcport; | |
1688 | ||
1689 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1690 | if (fcport->port_type != FCT_TARGET) | |
1691 | continue; | |
1692 | ||
1693 | /* | |
1694 | * No point in marking the device as lost, if the device is | |
1695 | * already DEAD. | |
1696 | */ | |
1697 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1698 | continue; | |
8482e118 AV |
1699 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
1700 | fc_remote_port_block(fcport->rport); | |
1da177e4 LT |
1701 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1702 | } | |
1703 | } | |
1704 | ||
1705 | /* | |
1706 | * qla2x00_mem_alloc | |
1707 | * Allocates adapter memory. | |
1708 | * | |
1709 | * Returns: | |
1710 | * 0 = success. | |
1711 | * 1 = failure. | |
1712 | */ | |
1713 | static uint8_t | |
1714 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1715 | { | |
1716 | char name[16]; | |
1717 | uint8_t status = 1; | |
1718 | int retry= 10; | |
1719 | ||
1720 | do { | |
1721 | /* | |
1722 | * This will loop only once if everything goes well, else some | |
1723 | * number of retries will be performed to get around a kernel | |
1724 | * bug where available mem is not allocated until after a | |
1725 | * little delay and a retry. | |
1726 | */ | |
1727 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1728 | (ha->request_q_length + 1) * sizeof(request_t), | |
1729 | &ha->request_dma, GFP_KERNEL); | |
1730 | if (ha->request_ring == NULL) { | |
1731 | qla_printk(KERN_WARNING, ha, | |
1732 | "Memory Allocation failed - request_ring\n"); | |
1733 | ||
1734 | qla2x00_mem_free(ha); | |
1735 | msleep(100); | |
1736 | ||
1737 | continue; | |
1738 | } | |
1739 | ||
1740 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1741 | (ha->response_q_length + 1) * sizeof(response_t), | |
1742 | &ha->response_dma, GFP_KERNEL); | |
1743 | if (ha->response_ring == NULL) { | |
1744 | qla_printk(KERN_WARNING, ha, | |
1745 | "Memory Allocation failed - response_ring\n"); | |
1746 | ||
1747 | qla2x00_mem_free(ha); | |
1748 | msleep(100); | |
1749 | ||
1750 | continue; | |
1751 | } | |
1752 | ||
1753 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1754 | &ha->gid_list_dma, GFP_KERNEL); | |
1755 | if (ha->gid_list == NULL) { | |
1756 | qla_printk(KERN_WARNING, ha, | |
1757 | "Memory Allocation failed - gid_list\n"); | |
1758 | ||
1759 | qla2x00_mem_free(ha); | |
1760 | msleep(100); | |
1761 | ||
1762 | continue; | |
1763 | } | |
1764 | ||
1765 | ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev, | |
1766 | sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL); | |
1767 | if (ha->rlc_rsp == NULL) { | |
1768 | qla_printk(KERN_WARNING, ha, | |
1769 | "Memory Allocation failed - rlc"); | |
1770 | ||
1771 | qla2x00_mem_free(ha); | |
1772 | msleep(100); | |
1773 | ||
1774 | continue; | |
1775 | } | |
1776 | ||
1777 | snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no); | |
1778 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
1779 | DMA_POOL_SIZE, 8, 0); | |
1780 | if (ha->s_dma_pool == NULL) { | |
1781 | qla_printk(KERN_WARNING, ha, | |
1782 | "Memory Allocation failed - s_dma_pool\n"); | |
1783 | ||
1784 | qla2x00_mem_free(ha); | |
1785 | msleep(100); | |
1786 | ||
1787 | continue; | |
1788 | } | |
1789 | ||
1790 | /* get consistent memory allocated for init control block */ | |
1791 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1792 | &ha->init_cb_dma); | |
1793 | if (ha->init_cb == NULL) { | |
1794 | qla_printk(KERN_WARNING, ha, | |
1795 | "Memory Allocation failed - init_cb\n"); | |
1796 | ||
1797 | qla2x00_mem_free(ha); | |
1798 | msleep(100); | |
1799 | ||
1800 | continue; | |
1801 | } | |
fca29703 | 1802 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 LT |
1803 | |
1804 | /* Get consistent memory allocated for Get Port Database cmd */ | |
1805 | ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1806 | &ha->iodesc_pd_dma); | |
1807 | if (ha->iodesc_pd == NULL) { | |
1808 | /* error */ | |
1809 | qla_printk(KERN_WARNING, ha, | |
1810 | "Memory Allocation failed - iodesc_pd\n"); | |
1811 | ||
1812 | qla2x00_mem_free(ha); | |
1813 | msleep(100); | |
1814 | ||
1815 | continue; | |
1816 | } | |
1817 | memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE); | |
1818 | ||
1819 | /* Allocate ioctl related memory. */ | |
1820 | if (qla2x00_alloc_ioctl_mem(ha)) { | |
1821 | qla_printk(KERN_WARNING, ha, | |
1822 | "Memory Allocation failed - ioctl_mem\n"); | |
1823 | ||
1824 | qla2x00_mem_free(ha); | |
1825 | msleep(100); | |
1826 | ||
1827 | continue; | |
1828 | } | |
1829 | ||
1830 | if (qla2x00_allocate_sp_pool(ha)) { | |
1831 | qla_printk(KERN_WARNING, ha, | |
1832 | "Memory Allocation failed - " | |
1833 | "qla2x00_allocate_sp_pool()\n"); | |
1834 | ||
1835 | qla2x00_mem_free(ha); | |
1836 | msleep(100); | |
1837 | ||
1838 | continue; | |
1839 | } | |
1840 | ||
1841 | /* Allocate memory for SNS commands */ | |
1842 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1843 | /* Get consistent memory allocated for SNS commands */ | |
1844 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1845 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1846 | GFP_KERNEL); | |
1847 | if (ha->sns_cmd == NULL) { | |
1848 | /* error */ | |
1849 | qla_printk(KERN_WARNING, ha, | |
1850 | "Memory Allocation failed - sns_cmd\n"); | |
1851 | ||
1852 | qla2x00_mem_free(ha); | |
1853 | msleep(100); | |
1854 | ||
1855 | continue; | |
1856 | } | |
1857 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1858 | } else { | |
1859 | /* Get consistent memory allocated for MS IOCB */ | |
1860 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1861 | &ha->ms_iocb_dma); | |
1862 | if (ha->ms_iocb == NULL) { | |
1863 | /* error */ | |
1864 | qla_printk(KERN_WARNING, ha, | |
1865 | "Memory Allocation failed - ms_iocb\n"); | |
1866 | ||
1867 | qla2x00_mem_free(ha); | |
1868 | msleep(100); | |
1869 | ||
1870 | continue; | |
1871 | } | |
1872 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1873 | ||
1874 | /* | |
1875 | * Get consistent memory allocated for CT SNS | |
1876 | * commands | |
1877 | */ | |
1878 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
1879 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
1880 | GFP_KERNEL); | |
1881 | if (ha->ct_sns == NULL) { | |
1882 | /* error */ | |
1883 | qla_printk(KERN_WARNING, ha, | |
1884 | "Memory Allocation failed - ct_sns\n"); | |
1885 | ||
1886 | qla2x00_mem_free(ha); | |
1887 | msleep(100); | |
1888 | ||
1889 | continue; | |
1890 | } | |
1891 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
1892 | } | |
1893 | ||
1894 | /* Done all allocations without any error. */ | |
1895 | status = 0; | |
1896 | ||
1897 | } while (retry-- && status != 0); | |
1898 | ||
1899 | if (status) { | |
1900 | printk(KERN_WARNING | |
1901 | "%s(): **** FAILED ****\n", __func__); | |
1902 | } | |
1903 | ||
1904 | return(status); | |
1905 | } | |
1906 | ||
1907 | /* | |
1908 | * qla2x00_mem_free | |
1909 | * Frees all adapter allocated memory. | |
1910 | * | |
1911 | * Input: | |
1912 | * ha = adapter block pointer. | |
1913 | */ | |
1914 | static void | |
1915 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
1916 | { | |
1da177e4 LT |
1917 | struct list_head *fcpl, *fcptemp; |
1918 | fc_port_t *fcport; | |
fe74c71f | 1919 | unsigned int wtime;/* max wait time if mbx cmd is busy. */ |
1da177e4 LT |
1920 | |
1921 | if (ha == NULL) { | |
1922 | /* error */ | |
1923 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
1924 | return; | |
1925 | } | |
1926 | ||
1da177e4 | 1927 | /* Make sure all other threads are stopped. */ |
fe74c71f AV |
1928 | wtime = 60 * 1000; |
1929 | while (ha->dpc_wait && wtime) | |
1930 | wtime = msleep_interruptible(wtime); | |
1da177e4 LT |
1931 | |
1932 | /* free ioctl memory */ | |
1933 | qla2x00_free_ioctl_mem(ha); | |
1934 | ||
1935 | /* free sp pool */ | |
1936 | qla2x00_free_sp_pool(ha); | |
1937 | ||
1938 | if (ha->sns_cmd) | |
1939 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
1940 | ha->sns_cmd, ha->sns_cmd_dma); | |
1941 | ||
1942 | if (ha->ct_sns) | |
1943 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
1944 | ha->ct_sns, ha->ct_sns_dma); | |
1945 | ||
1946 | if (ha->ms_iocb) | |
1947 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
1948 | ||
1949 | if (ha->iodesc_pd) | |
1950 | dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma); | |
1951 | ||
1952 | if (ha->init_cb) | |
1953 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
1954 | ||
1955 | if (ha->s_dma_pool) | |
1956 | dma_pool_destroy(ha->s_dma_pool); | |
1957 | ||
1958 | if (ha->rlc_rsp) | |
1959 | dma_free_coherent(&ha->pdev->dev, | |
1960 | sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp, | |
1961 | ha->rlc_rsp_dma); | |
1962 | ||
1963 | if (ha->gid_list) | |
1964 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
1965 | ha->gid_list_dma); | |
1966 | ||
1967 | if (ha->response_ring) | |
1968 | dma_free_coherent(&ha->pdev->dev, | |
1969 | (ha->response_q_length + 1) * sizeof(response_t), | |
1970 | ha->response_ring, ha->response_dma); | |
1971 | ||
1972 | if (ha->request_ring) | |
1973 | dma_free_coherent(&ha->pdev->dev, | |
1974 | (ha->request_q_length + 1) * sizeof(request_t), | |
1975 | ha->request_ring, ha->request_dma); | |
1976 | ||
1977 | ha->sns_cmd = NULL; | |
1978 | ha->sns_cmd_dma = 0; | |
1979 | ha->ct_sns = NULL; | |
1980 | ha->ct_sns_dma = 0; | |
1981 | ha->ms_iocb = NULL; | |
1982 | ha->ms_iocb_dma = 0; | |
1983 | ha->iodesc_pd = NULL; | |
1984 | ha->iodesc_pd_dma = 0; | |
1985 | ha->init_cb = NULL; | |
1986 | ha->init_cb_dma = 0; | |
1987 | ||
1988 | ha->s_dma_pool = NULL; | |
1989 | ||
1990 | ha->rlc_rsp = NULL; | |
1991 | ha->rlc_rsp_dma = 0; | |
1992 | ha->gid_list = NULL; | |
1993 | ha->gid_list_dma = 0; | |
1994 | ||
1995 | ha->response_ring = NULL; | |
1996 | ha->response_dma = 0; | |
1997 | ha->request_ring = NULL; | |
1998 | ha->request_dma = 0; | |
1999 | ||
2000 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2001 | fcport = list_entry(fcpl, fc_port_t, list); | |
2002 | ||
1da177e4 LT |
2003 | /* fc ports */ |
2004 | list_del_init(&fcport->list); | |
2005 | kfree(fcport); | |
2006 | } | |
2007 | INIT_LIST_HEAD(&ha->fcports); | |
2008 | ||
2009 | if (ha->fw_dump) | |
2010 | free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order); | |
2011 | ||
fca29703 AV |
2012 | vfree(ha->fw_dump24); |
2013 | ||
2014 | vfree(ha->fw_dump_buffer); | |
1da177e4 LT |
2015 | |
2016 | ha->fw_dump = NULL; | |
fca29703 AV |
2017 | ha->fw_dump24 = NULL; |
2018 | ha->fw_dumped = 0; | |
1da177e4 LT |
2019 | ha->fw_dump_reading = 0; |
2020 | ha->fw_dump_buffer = NULL; | |
2021 | } | |
2022 | ||
2023 | /* | |
2024 | * qla2x00_allocate_sp_pool | |
2025 | * This routine is called during initialization to allocate | |
2026 | * memory for local srb_t. | |
2027 | * | |
2028 | * Input: | |
2029 | * ha = adapter block pointer. | |
2030 | * | |
2031 | * Context: | |
2032 | * Kernel context. | |
fa2a1ce5 | 2033 | * |
1da177e4 LT |
2034 | * Note: Sets the ref_count for non Null sp to one. |
2035 | */ | |
2036 | static int | |
fa2a1ce5 | 2037 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2038 | { |
2039 | int rval; | |
2040 | ||
2041 | rval = QLA_SUCCESS; | |
2042 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2043 | mempool_free_slab, srb_cachep); | |
2044 | if (ha->srb_mempool == NULL) { | |
2045 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2046 | rval = QLA_FUNCTION_FAILED; | |
2047 | } | |
2048 | return (rval); | |
2049 | } | |
2050 | ||
2051 | /* | |
2052 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2053 | * |
1da177e4 LT |
2054 | */ |
2055 | static void | |
fa2a1ce5 | 2056 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2057 | { |
2058 | if (ha->srb_mempool) { | |
2059 | mempool_destroy(ha->srb_mempool); | |
2060 | ha->srb_mempool = NULL; | |
2061 | } | |
2062 | } | |
2063 | ||
2064 | /************************************************************************** | |
2065 | * qla2x00_do_dpc | |
2066 | * This kernel thread is a task that is schedule by the interrupt handler | |
2067 | * to perform the background processing for interrupts. | |
2068 | * | |
2069 | * Notes: | |
2070 | * This task always run in the context of a kernel thread. It | |
2071 | * is kick-off by the driver's detect code and starts up | |
2072 | * up one per adapter. It immediately goes to sleep and waits for | |
2073 | * some fibre event. When either the interrupt handler or | |
2074 | * the timer routine detects a event it will one of the task | |
2075 | * bits then wake us up. | |
2076 | **************************************************************************/ | |
2077 | static int | |
2078 | qla2x00_do_dpc(void *data) | |
2079 | { | |
2080 | DECLARE_MUTEX_LOCKED(sem); | |
2081 | scsi_qla_host_t *ha; | |
2082 | fc_port_t *fcport; | |
1da177e4 | 2083 | uint8_t status; |
1da177e4 | 2084 | uint16_t next_loopid; |
1da177e4 LT |
2085 | |
2086 | ha = (scsi_qla_host_t *)data; | |
2087 | ||
2088 | lock_kernel(); | |
2089 | ||
2090 | daemonize("%s_dpc", ha->host_str); | |
2091 | allow_signal(SIGHUP); | |
2092 | ||
2093 | ha->dpc_wait = &sem; | |
2094 | ||
2095 | set_user_nice(current, -20); | |
2096 | ||
2097 | unlock_kernel(); | |
2098 | ||
2099 | complete(&ha->dpc_inited); | |
2100 | ||
2101 | while (1) { | |
2102 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); | |
2103 | ||
2104 | if (down_interruptible(&sem)) | |
2105 | break; | |
2106 | ||
2107 | if (ha->dpc_should_die) | |
2108 | break; | |
2109 | ||
2110 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2111 | ||
2112 | /* Initialization not yet finished. Don't do anything yet. */ | |
2113 | if (!ha->flags.init_done || ha->dpc_active) | |
2114 | continue; | |
2115 | ||
2116 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2117 | ||
2118 | ha->dpc_active = 1; | |
2119 | ||
1da177e4 | 2120 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2121 | ha->dpc_active = 0; |
2122 | continue; | |
2123 | } | |
2124 | ||
2125 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2126 | ||
2127 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2128 | "qla2x00_abort_isp ha = %p\n", | |
2129 | ha->host_no, ha)); | |
2130 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2131 | &ha->dpc_flags))) { | |
2132 | ||
2133 | if (qla2x00_abort_isp(ha)) { | |
2134 | /* failed. retry later */ | |
2135 | set_bit(ISP_ABORT_NEEDED, | |
2136 | &ha->dpc_flags); | |
2137 | } | |
2138 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2139 | } | |
2140 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2141 | ha->host_no)); | |
2142 | } | |
2143 | ||
2144 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && | |
2145 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2146 | ||
2147 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2148 | ha->host_no)); | |
2149 | ||
2150 | qla2x00_rst_aen(ha); | |
2151 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2152 | } | |
2153 | ||
2154 | /* Retry each device up to login retry count */ | |
2155 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2156 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2157 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2158 | ||
2159 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2160 | ha->host_no)); | |
2161 | ||
2162 | next_loopid = 0; | |
2163 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2164 | if (fcport->port_type != FCT_TARGET) | |
2165 | continue; | |
2166 | ||
2167 | /* | |
2168 | * If the port is not ONLINE then try to login | |
2169 | * to it if we haven't run out of retries. | |
2170 | */ | |
2171 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2172 | fcport->login_retry) { | |
2173 | ||
2174 | fcport->login_retry--; | |
2175 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2176 | if (fcport->flags & | |
2177 | FCF_TAPE_PRESENT) | |
abbd8870 | 2178 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2179 | ha, fcport->loop_id, |
2180 | fcport->d_id.b.domain, | |
2181 | fcport->d_id.b.area, | |
2182 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2183 | status = qla2x00_fabric_login( |
2184 | ha, fcport, &next_loopid); | |
2185 | } else | |
2186 | status = | |
2187 | qla2x00_local_device_login( | |
2188 | ha, fcport->loop_id); | |
2189 | ||
2190 | if (status == QLA_SUCCESS) { | |
2191 | fcport->old_loop_id = fcport->loop_id; | |
2192 | ||
2193 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2194 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2195 | |
1da177e4 LT |
2196 | fcport->port_login_retry_count = |
2197 | ha->port_down_retry_count * PORT_RETRY_TIME; | |
2198 | atomic_set(&fcport->state, FCS_ONLINE); | |
2199 | atomic_set(&fcport->port_down_timer, | |
2200 | ha->port_down_retry_count * PORT_RETRY_TIME); | |
2201 | ||
2202 | fcport->login_retry = 0; | |
2203 | } else if (status == 1) { | |
2204 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2205 | /* retry the login again */ | |
2206 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2207 | ha->host_no, | |
2208 | fcport->login_retry, fcport->loop_id)); | |
2209 | } else { | |
2210 | fcport->login_retry = 0; | |
2211 | } | |
2212 | } | |
2213 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2214 | break; | |
2215 | } | |
2216 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2217 | ha->host_no)); | |
2218 | } | |
2219 | ||
2220 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2221 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2222 | ||
2223 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2224 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2225 | ha->host_no)); | |
fa2a1ce5 | 2226 | |
1da177e4 LT |
2227 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2228 | ||
2229 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2230 | ha->host_no)); | |
2231 | } | |
2232 | ||
2233 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2234 | ||
2235 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2236 | ha->host_no)); | |
2237 | ||
2238 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2239 | &ha->dpc_flags))) { | |
2240 | ||
2241 | qla2x00_loop_resync(ha); | |
2242 | ||
2243 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2244 | } | |
2245 | ||
2246 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2247 | ha->host_no)); | |
2248 | } | |
2249 | ||
1da177e4 LT |
2250 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2251 | ||
2252 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2253 | ha->host_no)); | |
2254 | ||
2255 | qla2x00_rescan_fcports(ha); | |
2256 | ||
2257 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2258 | "end.\n", | |
2259 | ha->host_no)); | |
2260 | } | |
2261 | ||
1da177e4 | 2262 | if (!ha->interrupts_on) |
abbd8870 | 2263 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2264 | |
1da177e4 LT |
2265 | ha->dpc_active = 0; |
2266 | } /* End of while(1) */ | |
2267 | ||
2268 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2269 | ||
2270 | /* | |
2271 | * Make sure that nobody tries to wake us up again. | |
2272 | */ | |
2273 | ha->dpc_wait = NULL; | |
2274 | ha->dpc_active = 0; | |
2275 | ||
2276 | complete_and_exit(&ha->dpc_exited, 0); | |
2277 | } | |
2278 | ||
1da177e4 LT |
2279 | /* |
2280 | * qla2x00_rst_aen | |
2281 | * Processes asynchronous reset. | |
2282 | * | |
2283 | * Input: | |
2284 | * ha = adapter block pointer. | |
2285 | */ | |
2286 | static void | |
fa2a1ce5 | 2287 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2288 | { |
2289 | if (ha->flags.online && !ha->flags.reset_active && | |
2290 | !atomic_read(&ha->loop_down_timer) && | |
2291 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2292 | do { | |
2293 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2294 | ||
2295 | /* | |
2296 | * Issue marker command only when we are going to start | |
2297 | * the I/O. | |
2298 | */ | |
2299 | ha->marker_needed = 1; | |
2300 | } while (!atomic_read(&ha->loop_down_timer) && | |
2301 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2302 | } | |
2303 | } | |
2304 | ||
f4f051eb AV |
2305 | static void |
2306 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2307 | { | |
2308 | struct scsi_cmnd *cmd = sp->cmd; | |
2309 | ||
2310 | if (sp->flags & SRB_DMA_VALID) { | |
2311 | if (cmd->use_sg) { | |
2312 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2313 | cmd->use_sg, cmd->sc_data_direction); | |
2314 | } else if (cmd->request_bufflen) { | |
2315 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2316 | cmd->request_bufflen, cmd->sc_data_direction); | |
2317 | } | |
2318 | sp->flags &= ~SRB_DMA_VALID; | |
2319 | } | |
fca29703 | 2320 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2321 | } |
2322 | ||
2323 | void | |
2324 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2325 | { | |
2326 | struct scsi_cmnd *cmd = sp->cmd; | |
2327 | ||
2328 | qla2x00_sp_free_dma(ha, sp); | |
2329 | ||
f4f051eb AV |
2330 | mempool_free(sp, ha->srb_mempool); |
2331 | ||
2332 | cmd->scsi_done(cmd); | |
2333 | } | |
bdf79621 | 2334 | |
1da177e4 LT |
2335 | /************************************************************************** |
2336 | * qla2x00_timer | |
2337 | * | |
2338 | * Description: | |
2339 | * One second timer | |
2340 | * | |
2341 | * Context: Interrupt | |
2342 | ***************************************************************************/ | |
2343 | static void | |
2344 | qla2x00_timer(scsi_qla_host_t *ha) | |
2345 | { | |
1da177e4 LT |
2346 | unsigned long cpu_flags = 0; |
2347 | fc_port_t *fcport; | |
1da177e4 LT |
2348 | int start_dpc = 0; |
2349 | int index; | |
2350 | srb_t *sp; | |
f4f051eb | 2351 | int t; |
1da177e4 LT |
2352 | |
2353 | /* | |
2354 | * Ports - Port down timer. | |
2355 | * | |
2356 | * Whenever, a port is in the LOST state we start decrementing its port | |
2357 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2358 | * the port it marked DEAD. |
1da177e4 LT |
2359 | */ |
2360 | t = 0; | |
2361 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2362 | if (fcport->port_type != FCT_TARGET) | |
2363 | continue; | |
2364 | ||
2365 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2366 | ||
2367 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2368 | continue; | |
2369 | ||
fa2a1ce5 | 2370 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2371 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2372 | |
1da177e4 | 2373 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2374 | "%d remaining\n", |
1da177e4 LT |
2375 | ha->host_no, |
2376 | t, atomic_read(&fcport->port_down_timer))); | |
2377 | } | |
2378 | t++; | |
2379 | } /* End of for fcport */ | |
2380 | ||
1da177e4 LT |
2381 | |
2382 | /* Loop down handler. */ | |
2383 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2384 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2385 | ||
2386 | if (atomic_read(&ha->loop_down_timer) == | |
2387 | ha->loop_down_abort_time) { | |
2388 | ||
2389 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2390 | "queues before time expire\n", | |
2391 | ha->host_no)); | |
2392 | ||
2393 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2394 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2395 | |
2396 | /* Schedule an ISP abort to return any tape commands. */ | |
2397 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2398 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2399 | index++) { | |
bdf79621 AV |
2400 | fc_port_t *sfcp; |
2401 | ||
1da177e4 LT |
2402 | sp = ha->outstanding_cmds[index]; |
2403 | if (!sp) | |
2404 | continue; | |
bdf79621 AV |
2405 | sfcp = sp->fcport; |
2406 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2407 | continue; |
2408 | ||
2409 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2410 | break; | |
2411 | } | |
2412 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2413 | ||
2414 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2415 | start_dpc++; | |
2416 | } | |
2417 | ||
2418 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2419 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2420 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2421 | "restarting queues.\n", | |
2422 | ha->host_no)); | |
2423 | ||
2424 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2425 | start_dpc++; | |
2426 | ||
2427 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2428 | DEBUG(printk("scsi(%ld): Loop down - " | |
2429 | "aborting ISP.\n", | |
2430 | ha->host_no)); | |
2431 | qla_printk(KERN_WARNING, ha, | |
2432 | "Loop down - aborting ISP.\n"); | |
2433 | ||
2434 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2435 | } | |
2436 | } | |
fca29703 | 2437 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2438 | ha->host_no, |
2439 | atomic_read(&ha->loop_down_timer))); | |
2440 | } | |
2441 | ||
1da177e4 LT |
2442 | /* Schedule the DPC routine if needed */ |
2443 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2444 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
2445 | start_dpc || | |
2446 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2447 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2448 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
2449 | ha->dpc_wait && !ha->dpc_active) { | |
2450 | ||
2451 | up(ha->dpc_wait); | |
2452 | } | |
2453 | ||
2454 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2455 | } | |
2456 | ||
1da177e4 LT |
2457 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2458 | int | |
2459 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2460 | { | |
fe74c71f AV |
2461 | const unsigned int step = 100; /* msecs */ |
2462 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2463 | |
2464 | do { | |
2465 | if (!down_trylock(sema)) | |
2466 | return 0; | |
fe74c71f | 2467 | if (msleep_interruptible(step)) |
1da177e4 | 2468 | break; |
fe74c71f | 2469 | } while (--iterations >= 0); |
1da177e4 LT |
2470 | |
2471 | return -ETIMEDOUT; | |
2472 | } | |
2473 | ||
fca29703 AV |
2474 | static struct qla_board_info qla_board_tbl[] = { |
2475 | { | |
2476 | .drv_name = "qla2400", | |
2477 | .isp_name = "ISP2422", | |
2478 | .fw_fname = "ql2400_fw.bin", | |
2479 | .sht = &qla24xx_driver_template, | |
2480 | }, | |
2481 | { | |
2482 | .drv_name = "qla2400", | |
2483 | .isp_name = "ISP2432", | |
2484 | .fw_fname = "ql2400_fw.bin", | |
2485 | .sht = &qla24xx_driver_template, | |
2486 | }, | |
2487 | }; | |
2488 | ||
2489 | static struct pci_device_id qla2xxx_pci_tbl[] = { | |
2490 | { | |
2491 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2492 | .device = PCI_DEVICE_ID_QLOGIC_ISP2422, | |
2493 | .subvendor = PCI_ANY_ID, | |
2494 | .subdevice = PCI_ANY_ID, | |
2495 | .driver_data = (unsigned long)&qla_board_tbl[0], | |
2496 | }, | |
2497 | { | |
2498 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2499 | .device = PCI_DEVICE_ID_QLOGIC_ISP2432, | |
2500 | .subvendor = PCI_ANY_ID, | |
2501 | .subdevice = PCI_ANY_ID, | |
2502 | .driver_data = (unsigned long)&qla_board_tbl[1], | |
2503 | }, | |
2504 | {0, 0}, | |
2505 | }; | |
2506 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2507 | ||
2508 | static int __devinit | |
2509 | qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
2510 | { | |
2511 | return qla2x00_probe_one(pdev, | |
2512 | (struct qla_board_info *)id->driver_data); | |
2513 | } | |
2514 | ||
2515 | static void __devexit | |
2516 | qla2xxx_remove_one(struct pci_dev *pdev) | |
2517 | { | |
2518 | qla2x00_remove_one(pdev); | |
2519 | } | |
2520 | ||
2521 | static struct pci_driver qla2xxx_pci_driver = { | |
2522 | .name = "qla2xxx", | |
2523 | .id_table = qla2xxx_pci_tbl, | |
2524 | .probe = qla2xxx_probe_one, | |
2525 | .remove = __devexit_p(qla2xxx_remove_one), | |
2526 | }; | |
2527 | ||
1da177e4 LT |
2528 | /** |
2529 | * qla2x00_module_init - Module initialization. | |
2530 | **/ | |
2531 | static int __init | |
2532 | qla2x00_module_init(void) | |
2533 | { | |
fca29703 AV |
2534 | int ret = 0; |
2535 | ||
1da177e4 | 2536 | /* Allocate cache for SRBs. */ |
354d6b21 | 2537 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2538 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2539 | if (srb_cachep == NULL) { | |
2540 | printk(KERN_ERR | |
2541 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2542 | return -ENOMEM; | |
2543 | } | |
2544 | ||
2545 | /* Derive version string. */ | |
2546 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
2547 | #if DEBUG_QLA2100 | |
2548 | strcat(qla2x00_version_str, "-debug"); | |
2549 | #endif | |
1c97a12a AV |
2550 | qla2xxx_transport_template = |
2551 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2552 | if (!qla2xxx_transport_template) |
2553 | return -ENODEV; | |
2554 | ||
2555 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
fca29703 AV |
2556 | ret = pci_module_init(&qla2xxx_pci_driver); |
2557 | if (ret) { | |
2558 | kmem_cache_destroy(srb_cachep); | |
2559 | fc_release_transport(qla2xxx_transport_template); | |
2560 | } | |
2561 | return ret; | |
1da177e4 LT |
2562 | } |
2563 | ||
2564 | /** | |
2565 | * qla2x00_module_exit - Module cleanup. | |
2566 | **/ | |
2567 | static void __exit | |
2568 | qla2x00_module_exit(void) | |
2569 | { | |
fca29703 | 2570 | pci_unregister_driver(&qla2xxx_pci_driver); |
354d6b21 | 2571 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2572 | fc_release_transport(qla2xxx_transport_template); |
2573 | } | |
2574 | ||
2575 | module_init(qla2x00_module_init); | |
2576 | module_exit(qla2x00_module_exit); | |
2577 | ||
2578 | MODULE_AUTHOR("QLogic Corporation"); | |
2579 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2580 | MODULE_LICENSE("GPL"); | |
2581 | MODULE_VERSION(QLA2XXX_VERSION); |