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 | 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 | 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 | 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; |
19a7b4ae | 351 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb | 352 | srb_t *sp; |
353 | int rval; | |
1da177e4 | 354 | |
19a7b4ae JSEC |
355 | rval = fc_remote_port_chkready(rport); |
356 | if (rval) { | |
357 | cmd->result = rval; | |
f4f051eb | 358 | goto qc_fail_command; |
359 | } | |
1da177e4 | 360 | |
f4f051eb | 361 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
362 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
363 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
364 | cmd->result = DID_NO_CONNECT << 16; | |
365 | goto qc_fail_command; | |
366 | } | |
367 | goto qc_host_busy; | |
368 | } | |
1da177e4 LT |
369 | |
370 | spin_unlock_irq(ha->host->host_lock); | |
371 | ||
fca29703 AV |
372 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
373 | if (!sp) | |
f4f051eb | 374 | goto qc_host_busy_lock; |
1da177e4 | 375 | |
f4f051eb | 376 | rval = qla2x00_start_scsi(sp); |
377 | if (rval != QLA_SUCCESS) | |
378 | goto qc_host_busy_free_sp; | |
1da177e4 | 379 | |
f4f051eb | 380 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 381 | |
f4f051eb | 382 | return 0; |
1da177e4 | 383 | |
f4f051eb | 384 | qc_host_busy_free_sp: |
385 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 386 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 387 | |
f4f051eb | 388 | qc_host_busy_lock: |
389 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 390 | |
f4f051eb | 391 | qc_host_busy: |
392 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 393 | |
f4f051eb | 394 | qc_fail_command: |
395 | done(cmd); | |
1da177e4 | 396 | |
f4f051eb | 397 | return 0; |
1da177e4 LT |
398 | } |
399 | ||
fca29703 AV |
400 | |
401 | static int | |
402 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
403 | { | |
404 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
405 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
19a7b4ae | 406 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
407 | srb_t *sp; |
408 | int rval; | |
409 | ||
19a7b4ae JSEC |
410 | rval = fc_remote_port_chkready(rport); |
411 | if (rval) { | |
412 | cmd->result = rval; | |
fca29703 AV |
413 | goto qc24_fail_command; |
414 | } | |
415 | ||
416 | if (atomic_read(&fcport->state) != FCS_ONLINE) { | |
417 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
418 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
419 | cmd->result = DID_NO_CONNECT << 16; | |
420 | goto qc24_fail_command; | |
421 | } | |
422 | goto qc24_host_busy; | |
423 | } | |
424 | ||
425 | spin_unlock_irq(ha->host->host_lock); | |
426 | ||
427 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
428 | if (!sp) | |
429 | goto qc24_host_busy_lock; | |
430 | ||
431 | rval = qla24xx_start_scsi(sp); | |
432 | if (rval != QLA_SUCCESS) | |
433 | goto qc24_host_busy_free_sp; | |
434 | ||
435 | spin_lock_irq(ha->host->host_lock); | |
436 | ||
437 | return 0; | |
438 | ||
439 | qc24_host_busy_free_sp: | |
440 | qla2x00_sp_free_dma(ha, sp); | |
441 | mempool_free(sp, ha->srb_mempool); | |
442 | ||
443 | qc24_host_busy_lock: | |
444 | spin_lock_irq(ha->host->host_lock); | |
445 | ||
446 | qc24_host_busy: | |
447 | return SCSI_MLQUEUE_HOST_BUSY; | |
448 | ||
449 | qc24_fail_command: | |
450 | done(cmd); | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | ||
1da177e4 LT |
456 | /* |
457 | * qla2x00_eh_wait_on_command | |
458 | * Waits for the command to be returned by the Firmware for some | |
459 | * max time. | |
460 | * | |
461 | * Input: | |
462 | * ha = actual ha whose done queue will contain the command | |
463 | * returned by firmware. | |
464 | * cmd = Scsi Command to wait on. | |
465 | * flag = Abort/Reset(Bus or Device Reset) | |
466 | * | |
467 | * Return: | |
468 | * Not Found : 0 | |
469 | * Found : 1 | |
470 | */ | |
471 | static int | |
472 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
473 | { | |
fe74c71f AV |
474 | #define ABORT_POLLING_PERIOD 1000 |
475 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb | 476 | unsigned long wait_iter = ABORT_WAIT_ITER; |
477 | int ret = QLA_SUCCESS; | |
1da177e4 | 478 | |
f4f051eb | 479 | while (CMD_SP(cmd)) { |
fe74c71f | 480 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 481 | |
f4f051eb | 482 | if (--wait_iter) |
483 | break; | |
484 | } | |
485 | if (CMD_SP(cmd)) | |
486 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 487 | |
f4f051eb | 488 | return ret; |
1da177e4 LT |
489 | } |
490 | ||
491 | /* | |
492 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 493 | * Wait till the HBA is online after going through |
1da177e4 LT |
494 | * <= MAX_RETRIES_OF_ISP_ABORT or |
495 | * finally HBA is disabled ie marked offline | |
496 | * | |
497 | * Input: | |
498 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
499 | * |
500 | * Note: | |
1da177e4 LT |
501 | * Does context switching-Release SPIN_LOCK |
502 | * (if any) before calling this routine. | |
503 | * | |
504 | * Return: | |
505 | * Success (Adapter is online) : 0 | |
506 | * Failed (Adapter is offline/disabled) : 1 | |
507 | */ | |
fa2a1ce5 | 508 | static int |
1da177e4 LT |
509 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
510 | { | |
fca29703 AV |
511 | int return_status; |
512 | unsigned long wait_online; | |
1da177e4 | 513 | |
fa2a1ce5 | 514 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
515 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
516 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
517 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
518 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
519 | ||
520 | msleep(1000); | |
521 | } | |
fa2a1ce5 AV |
522 | if (ha->flags.online) |
523 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
524 | else |
525 | return_status = QLA_FUNCTION_FAILED; | |
526 | ||
527 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
528 | ||
529 | return (return_status); | |
530 | } | |
531 | ||
532 | /* | |
533 | * qla2x00_wait_for_loop_ready | |
534 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 535 | * to be in LOOP_READY state. |
1da177e4 LT |
536 | * Input: |
537 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
538 | * |
539 | * Note: | |
1da177e4 LT |
540 | * Does context switching-Release SPIN_LOCK |
541 | * (if any) before calling this routine. | |
fa2a1ce5 | 542 | * |
1da177e4 LT |
543 | * |
544 | * Return: | |
545 | * Success (LOOP_READY) : 0 | |
546 | * Failed (LOOP_NOT_READY) : 1 | |
547 | */ | |
fa2a1ce5 | 548 | static inline int |
1da177e4 LT |
549 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
550 | { | |
551 | int return_status = QLA_SUCCESS; | |
552 | unsigned long loop_timeout ; | |
553 | ||
554 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 555 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
556 | |
557 | while ((!atomic_read(&ha->loop_down_timer) && | |
558 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 LT |
559 | atomic_read(&ha->loop_state) != LOOP_READY) { |
560 | msleep(1000); | |
561 | if (time_after_eq(jiffies, loop_timeout)) { | |
562 | return_status = QLA_FUNCTION_FAILED; | |
563 | break; | |
564 | } | |
565 | } | |
fa2a1ce5 | 566 | return (return_status); |
1da177e4 LT |
567 | } |
568 | ||
569 | /************************************************************************** | |
570 | * qla2xxx_eh_abort | |
571 | * | |
572 | * Description: | |
573 | * The abort function will abort the specified command. | |
574 | * | |
575 | * Input: | |
576 | * cmd = Linux SCSI command packet to be aborted. | |
577 | * | |
578 | * Returns: | |
579 | * Either SUCCESS or FAILED. | |
580 | * | |
581 | * Note: | |
582 | **************************************************************************/ | |
583 | int | |
584 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | |
585 | { | |
f4f051eb | 586 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
587 | srb_t *sp; | |
588 | int ret, i; | |
589 | unsigned int id, lun; | |
590 | unsigned long serial; | |
18e144d3 | 591 | unsigned long flags; |
1da177e4 | 592 | |
f4f051eb | 593 | if (!CMD_SP(cmd)) |
594 | return FAILED; | |
1da177e4 | 595 | |
f4f051eb | 596 | ret = FAILED; |
1da177e4 | 597 | |
f4f051eb | 598 | id = cmd->device->id; |
599 | lun = cmd->device->lun; | |
600 | serial = cmd->serial_number; | |
1da177e4 | 601 | |
f4f051eb | 602 | /* Check active list for command command. */ |
18e144d3 | 603 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb | 604 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
605 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 606 | |
f4f051eb | 607 | if (sp == NULL) |
608 | continue; | |
1da177e4 | 609 | |
f4f051eb | 610 | if (sp->cmd != cmd) |
611 | continue; | |
1da177e4 | 612 | |
f4f051eb | 613 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld " |
614 | "sp->state=%x\n", __func__, ha->host_no, sp, serial, | |
615 | sp->state)); | |
616 | DEBUG3(qla2x00_print_scsi_cmd(cmd);) | |
1da177e4 | 617 | |
18e144d3 | 618 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 619 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb | 620 | DEBUG2(printk("%s(%ld): abort_command " |
621 | "mbx failed.\n", __func__, ha->host_no)); | |
622 | } else { | |
623 | DEBUG3(printk("%s(%ld): abort_command " | |
624 | "mbx success.\n", __func__, ha->host_no)); | |
625 | ret = SUCCESS; | |
626 | } | |
18e144d3 | 627 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 628 | |
f4f051eb | 629 | break; |
630 | } | |
18e144d3 | 631 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 632 | |
f4f051eb | 633 | /* Wait for the command to be returned. */ |
634 | if (ret == SUCCESS) { | |
f4f051eb | 635 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 636 | qla_printk(KERN_ERR, ha, |
f4f051eb | 637 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
638 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
639 | } | |
1da177e4 | 640 | } |
1da177e4 | 641 | |
fa2a1ce5 | 642 | qla_printk(KERN_INFO, ha, |
f4f051eb | 643 | "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, |
644 | id, lun, serial, ret); | |
1da177e4 | 645 | |
f4f051eb | 646 | return ret; |
647 | } | |
1da177e4 | 648 | |
f4f051eb | 649 | /************************************************************************** |
650 | * qla2x00_eh_wait_for_pending_target_commands | |
651 | * | |
652 | * Description: | |
653 | * Waits for all the commands to come back from the specified target. | |
654 | * | |
655 | * Input: | |
656 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 657 | * t - target |
f4f051eb | 658 | * Returns: |
659 | * Either SUCCESS or FAILED. | |
660 | * | |
661 | * Note: | |
662 | **************************************************************************/ | |
663 | static int | |
664 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
665 | { | |
666 | int cnt; | |
667 | int status; | |
668 | srb_t *sp; | |
669 | struct scsi_cmnd *cmd; | |
18e144d3 | 670 | unsigned long flags; |
1da177e4 | 671 | |
f4f051eb | 672 | status = 0; |
1da177e4 LT |
673 | |
674 | /* | |
f4f051eb | 675 | * Waiting for all commands for the designated target in the active |
676 | * array | |
1da177e4 LT |
677 | */ |
678 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 679 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
680 | sp = ha->outstanding_cmds[cnt]; |
681 | if (sp) { | |
682 | cmd = sp->cmd; | |
18e144d3 | 683 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
684 | if (cmd->device->id == t) { |
685 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
686 | status = 1; | |
687 | break; | |
688 | } | |
689 | } | |
f4f051eb | 690 | } else { |
18e144d3 | 691 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
692 | } |
693 | } | |
694 | return (status); | |
695 | } | |
696 | ||
697 | ||
698 | /************************************************************************** | |
699 | * qla2xxx_eh_device_reset | |
700 | * | |
701 | * Description: | |
702 | * The device reset function will reset the target and abort any | |
703 | * executing commands. | |
704 | * | |
705 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 706 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
707 | * non-null. |
708 | * | |
709 | * Input: | |
710 | * cmd = Linux SCSI command packet of the command that cause the | |
711 | * bus device reset. | |
712 | * | |
713 | * Returns: | |
714 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
715 | * | |
716 | **************************************************************************/ | |
717 | int | |
718 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
719 | { | |
f4f051eb | 720 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 721 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb | 722 | srb_t *sp; |
723 | int ret; | |
724 | unsigned int id, lun; | |
725 | unsigned long serial; | |
1da177e4 | 726 | |
f4f051eb | 727 | ret = FAILED; |
1da177e4 | 728 | |
f4f051eb | 729 | id = cmd->device->id; |
730 | lun = cmd->device->lun; | |
731 | serial = cmd->serial_number; | |
1da177e4 | 732 | |
f4f051eb | 733 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 734 | if (!sp || !fcport) |
f4f051eb | 735 | return ret; |
1da177e4 LT |
736 | |
737 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 738 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 739 | |
94d0e7b8 | 740 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 741 | goto eh_dev_reset_done; |
1da177e4 LT |
742 | |
743 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb | 744 | if (qla2x00_device_reset(ha, fcport) == 0) |
745 | ret = SUCCESS; | |
1da177e4 LT |
746 | |
747 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb | 748 | if (ret == SUCCESS) { |
749 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 750 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
f4f051eb | 751 | qla2x00_mark_device_lost(ha, fcport); |
1da177e4 LT |
752 | } |
753 | } | |
754 | #endif | |
755 | } else { | |
756 | DEBUG2(printk(KERN_INFO | |
757 | "%s failed: loop not ready\n",__func__);) | |
758 | } | |
759 | ||
f4f051eb | 760 | if (ret == FAILED) { |
1da177e4 LT |
761 | DEBUG3(printk("%s(%ld): device reset failed\n", |
762 | __func__, ha->host_no)); | |
763 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
764 | __func__); | |
765 | ||
766 | goto eh_dev_reset_done; | |
767 | } | |
768 | ||
9a41a62b AV |
769 | /* Flush outstanding commands. */ |
770 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
771 | ret = FAILED; | |
772 | if (ret == FAILED) { | |
773 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
774 | __func__, ha->host_no)); | |
775 | qla_printk(KERN_INFO, ha, | |
776 | "%s: failed while waiting for commands\n", __func__); | |
777 | } else | |
778 | qla_printk(KERN_INFO, ha, | |
779 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
780 | id, lun); | |
28f22b03 | 781 | eh_dev_reset_done: |
f4f051eb | 782 | return ret; |
1da177e4 LT |
783 | } |
784 | ||
785 | /************************************************************************** | |
786 | * qla2x00_eh_wait_for_pending_commands | |
787 | * | |
788 | * Description: | |
789 | * Waits for all the commands to come back from the specified host. | |
790 | * | |
791 | * Input: | |
792 | * ha - pointer to scsi_qla_host structure. | |
793 | * | |
794 | * Returns: | |
795 | * 1 : SUCCESS | |
796 | * 0 : FAILED | |
797 | * | |
798 | * Note: | |
799 | **************************************************************************/ | |
800 | static int | |
801 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
802 | { | |
803 | int cnt; | |
804 | int status; | |
805 | srb_t *sp; | |
806 | struct scsi_cmnd *cmd; | |
18e144d3 | 807 | unsigned long flags; |
1da177e4 LT |
808 | |
809 | status = 1; | |
810 | ||
811 | /* | |
812 | * Waiting for all commands for the designated target in the active | |
813 | * array | |
814 | */ | |
815 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 816 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
817 | sp = ha->outstanding_cmds[cnt]; |
818 | if (sp) { | |
819 | cmd = sp->cmd; | |
18e144d3 | 820 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
821 | status = qla2x00_eh_wait_on_command(ha, cmd); |
822 | if (status == 0) | |
823 | break; | |
824 | } | |
825 | else { | |
18e144d3 | 826 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
827 | } |
828 | } | |
829 | return (status); | |
830 | } | |
831 | ||
832 | ||
833 | /************************************************************************** | |
834 | * qla2xxx_eh_bus_reset | |
835 | * | |
836 | * Description: | |
837 | * The bus reset function will reset the bus and abort any executing | |
838 | * commands. | |
839 | * | |
840 | * Input: | |
841 | * cmd = Linux SCSI command packet of the command that cause the | |
842 | * bus reset. | |
843 | * | |
844 | * Returns: | |
845 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
846 | * | |
847 | **************************************************************************/ | |
848 | int | |
849 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | |
850 | { | |
f4f051eb | 851 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 852 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
1da177e4 | 853 | srb_t *sp; |
f4f051eb | 854 | int ret; |
855 | unsigned int id, lun; | |
856 | unsigned long serial; | |
857 | ||
858 | ret = FAILED; | |
859 | ||
860 | id = cmd->device->id; | |
861 | lun = cmd->device->lun; | |
862 | serial = cmd->serial_number; | |
1da177e4 | 863 | |
1da177e4 | 864 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 865 | if (!sp || !fcport) |
f4f051eb | 866 | return ret; |
1da177e4 LT |
867 | |
868 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 869 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 870 | |
1da177e4 LT |
871 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
872 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 873 | goto eh_bus_reset_done; |
1da177e4 LT |
874 | } |
875 | ||
876 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb | 877 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
878 | ret = SUCCESS; | |
1da177e4 | 879 | } |
f4f051eb | 880 | if (ret == FAILED) |
881 | goto eh_bus_reset_done; | |
1da177e4 | 882 | |
9a41a62b AV |
883 | /* Flush outstanding commands. */ |
884 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
885 | ret = FAILED; | |
1da177e4 | 886 | |
f4f051eb | 887 | eh_bus_reset_done: |
1da177e4 | 888 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 889 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 890 | |
f4f051eb | 891 | return ret; |
1da177e4 LT |
892 | } |
893 | ||
894 | /************************************************************************** | |
895 | * qla2xxx_eh_host_reset | |
896 | * | |
897 | * Description: | |
898 | * The reset function will reset the Adapter. | |
899 | * | |
900 | * Input: | |
901 | * cmd = Linux SCSI command packet of the command that cause the | |
902 | * adapter reset. | |
903 | * | |
904 | * Returns: | |
905 | * Either SUCCESS or FAILED. | |
906 | * | |
907 | * Note: | |
908 | **************************************************************************/ | |
909 | int | |
910 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
911 | { | |
f4f051eb | 912 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 913 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb | 914 | srb_t *sp; |
915 | int ret; | |
916 | unsigned int id, lun; | |
917 | unsigned long serial; | |
1da177e4 | 918 | |
f4f051eb | 919 | ret = FAILED; |
920 | ||
921 | id = cmd->device->id; | |
922 | lun = cmd->device->lun; | |
923 | serial = cmd->serial_number; | |
924 | ||
925 | sp = (srb_t *) CMD_SP(cmd); | |
bdf79621 | 926 | if (!sp || !fcport) |
f4f051eb | 927 | return ret; |
1da177e4 | 928 | |
1da177e4 | 929 | qla_printk(KERN_INFO, ha, |
f4f051eb | 930 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 931 | |
1da177e4 | 932 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 933 | goto eh_host_reset_lock; |
1da177e4 LT |
934 | |
935 | /* | |
936 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 937 | * loop_resync,so wait a while for it to |
1da177e4 LT |
938 | * be completed and then issue big hammer.Otherwise |
939 | * it may cause I/O failure as big hammer marks the | |
940 | * devices as lost kicking of the port_down_timer | |
941 | * while dpc is stuck for the mailbox to complete. | |
942 | */ | |
1da177e4 LT |
943 | qla2x00_wait_for_loop_ready(ha); |
944 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
945 | if (qla2x00_abort_isp(ha)) { | |
946 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
947 | /* failed. schedule dpc to try */ | |
948 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
949 | ||
950 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 951 | goto eh_host_reset_lock; |
fa2a1ce5 | 952 | } |
1da177e4 LT |
953 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
954 | ||
1da177e4 | 955 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb | 956 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
957 | ret = SUCCESS; | |
1da177e4 | 958 | |
f4f051eb | 959 | eh_host_reset_lock: |
f4f051eb | 960 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
961 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 962 | |
f4f051eb | 963 | return ret; |
964 | } | |
1da177e4 LT |
965 | |
966 | /* | |
967 | * qla2x00_loop_reset | |
968 | * Issue loop reset. | |
969 | * | |
970 | * Input: | |
971 | * ha = adapter block pointer. | |
972 | * | |
973 | * Returns: | |
974 | * 0 = success | |
975 | */ | |
976 | static int | |
977 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
978 | { | |
979 | int status = QLA_SUCCESS; | |
bdf79621 | 980 | struct fc_port *fcport; |
1da177e4 LT |
981 | |
982 | if (ha->flags.enable_lip_reset) { | |
983 | status = qla2x00_lip_reset(ha); | |
984 | } | |
985 | ||
986 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 | 987 | list_for_each_entry(fcport, &ha->fcports, list) { |
988 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
989 | continue; |
990 | ||
c00c72ae | 991 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 992 | if (status != QLA_SUCCESS) |
1da177e4 | 993 | break; |
1da177e4 LT |
994 | } |
995 | } | |
996 | ||
997 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 998 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
999 | !ha->flags.enable_lip_reset) || |
1000 | ha->flags.enable_lip_full_login)) { | |
1001 | ||
1002 | status = qla2x00_full_login_lip(ha); | |
1003 | } | |
1004 | ||
1005 | /* Issue marker command only when we are going to start the I/O */ | |
1006 | ha->marker_needed = 1; | |
1007 | ||
1008 | if (status) { | |
1009 | /* Empty */ | |
1010 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1011 | __func__, | |
1012 | ha->host_no);) | |
1013 | } else { | |
1014 | /* Empty */ | |
1015 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1016 | __func__, | |
1017 | ha->host_no);) | |
1018 | } | |
1019 | ||
1020 | return(status); | |
1021 | } | |
1022 | ||
1023 | /* | |
1024 | * qla2x00_device_reset | |
1025 | * Issue bus device reset message to the target. | |
1026 | * | |
1027 | * Input: | |
1028 | * ha = adapter block pointer. | |
1029 | * t = SCSI ID. | |
1030 | * TARGET_QUEUE_LOCK must be released. | |
1031 | * ADAPTER_STATE_LOCK must be released. | |
1032 | * | |
1033 | * Context: | |
1034 | * Kernel context. | |
1035 | */ | |
1036 | static int | |
1037 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1038 | { | |
1039 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1040 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1041 | } |
1042 | ||
f4f051eb | 1043 | static int |
1044 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1045 | { |
bdf79621 | 1046 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1047 | |
19a7b4ae | 1048 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1049 | return -ENXIO; |
bdf79621 | 1050 | |
19a7b4ae | 1051 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1052 | |
f4f051eb | 1053 | return 0; |
1054 | } | |
1da177e4 | 1055 | |
f4f051eb | 1056 | static int |
1057 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1058 | { | |
8482e118 | 1059 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1060 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1061 | ||
f4f051eb | 1062 | if (sdev->tagged_supported) |
1063 | scsi_activate_tcq(sdev, 32); | |
1064 | else | |
1065 | scsi_deactivate_tcq(sdev, 32); | |
1da177e4 | 1066 | |
8482e118 | 1067 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1068 | ||
f4f051eb | 1069 | return 0; |
1070 | } | |
1da177e4 | 1071 | |
f4f051eb | 1072 | static void |
1073 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1074 | { | |
1075 | sdev->hostdata = NULL; | |
1da177e4 LT |
1076 | } |
1077 | ||
ce7e4af7 AV |
1078 | static int |
1079 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1080 | { | |
1081 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1082 | return sdev->queue_depth; | |
1083 | } | |
1084 | ||
1085 | static int | |
1086 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1087 | { | |
1088 | if (sdev->tagged_supported) { | |
1089 | scsi_set_tag_type(sdev, tag_type); | |
1090 | if (tag_type) | |
1091 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1092 | else | |
1093 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1094 | } else | |
1095 | tag_type = 0; | |
1096 | ||
1097 | return tag_type; | |
1098 | } | |
1099 | ||
1da177e4 LT |
1100 | /** |
1101 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1102 | * @ha: HA context | |
1103 | * | |
1104 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1105 | * supported addressing method. | |
1106 | */ | |
1107 | static void | |
1108 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1109 | { | |
7524f9b9 | 1110 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1111 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1112 | |
7524f9b9 AV |
1113 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1114 | /* Any upper-dword bits set? */ | |
1115 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1116 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1117 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1118 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1119 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1120 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1121 | return; |
1da177e4 | 1122 | } |
1da177e4 | 1123 | } |
7524f9b9 AV |
1124 | |
1125 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1126 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1127 | } |
1128 | ||
1129 | static int | |
1130 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1131 | { | |
1132 | unsigned long pio, pio_len, pio_flags; | |
1133 | unsigned long mmio, mmio_len, mmio_flags; | |
1134 | ||
1135 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1136 | pio = pci_resource_start(ha->pdev, 0); | |
1137 | pio_len = pci_resource_len(ha->pdev, 0); | |
1138 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1139 | if (pio_flags & IORESOURCE_IO) { | |
1140 | if (pio_len < MIN_IOBASE_LEN) { | |
1141 | qla_printk(KERN_WARNING, ha, | |
1142 | "Invalid PCI I/O region size (%s)...\n", | |
1143 | pci_name(ha->pdev)); | |
1144 | pio = 0; | |
1145 | } | |
1146 | } else { | |
1147 | qla_printk(KERN_WARNING, ha, | |
1148 | "region #0 not a PIO resource (%s)...\n", | |
1149 | pci_name(ha->pdev)); | |
1150 | pio = 0; | |
1151 | } | |
1152 | ||
1153 | /* Use MMIO operations for all accesses. */ | |
1154 | mmio = pci_resource_start(ha->pdev, 1); | |
1155 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1156 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1157 | ||
1158 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1159 | qla_printk(KERN_ERR, ha, | |
1160 | "region #0 not an MMIO resource (%s), aborting\n", | |
1161 | pci_name(ha->pdev)); | |
1162 | goto iospace_error_exit; | |
1163 | } | |
1164 | if (mmio_len < MIN_IOBASE_LEN) { | |
1165 | qla_printk(KERN_ERR, ha, | |
1166 | "Invalid PCI mem region size (%s), aborting\n", | |
1167 | pci_name(ha->pdev)); | |
1168 | goto iospace_error_exit; | |
1169 | } | |
1170 | ||
1171 | if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) { | |
1172 | qla_printk(KERN_WARNING, ha, | |
1173 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1174 | pci_name(ha->pdev)); | |
1175 | ||
1176 | goto iospace_error_exit; | |
1177 | } | |
1178 | ||
1179 | ha->pio_address = pio; | |
1180 | ha->pio_length = pio_len; | |
1181 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1182 | if (!ha->iobase) { | |
1183 | qla_printk(KERN_ERR, ha, | |
1184 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1185 | ||
1186 | goto iospace_error_exit; | |
1187 | } | |
1188 | ||
1189 | return (0); | |
1190 | ||
1191 | iospace_error_exit: | |
1192 | return (-ENOMEM); | |
1193 | } | |
1194 | ||
abbd8870 AV |
1195 | static void |
1196 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1197 | { | |
1198 | unsigned long flags = 0; | |
3d71644c | 1199 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1200 | |
1201 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1202 | ha->interrupts_on = 1; | |
1203 | /* enable risc and host interrupts */ | |
1204 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1205 | RD_REG_WORD(®->ictrl); | |
1206 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1207 | ||
1208 | } | |
1209 | ||
1210 | static void | |
1211 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1212 | { | |
1213 | unsigned long flags = 0; | |
3d71644c | 1214 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1215 | |
1216 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1217 | ha->interrupts_on = 0; | |
1218 | /* disable risc and host interrupts */ | |
1219 | WRT_REG_WORD(®->ictrl, 0); | |
1220 | RD_REG_WORD(®->ictrl); | |
1221 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1222 | } | |
1223 | ||
fca29703 AV |
1224 | static void |
1225 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1226 | { | |
1227 | unsigned long flags = 0; | |
1228 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1229 | ||
1230 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1231 | ha->interrupts_on = 1; | |
1232 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1233 | RD_REG_DWORD(®->ictrl); | |
1234 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1235 | } | |
1236 | ||
1237 | static void | |
1238 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1239 | { | |
1240 | unsigned long flags = 0; | |
1241 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1242 | ||
1243 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1244 | ha->interrupts_on = 0; | |
1245 | WRT_REG_DWORD(®->ictrl, 0); | |
1246 | RD_REG_DWORD(®->ictrl); | |
1247 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1248 | } | |
1249 | ||
1da177e4 LT |
1250 | /* |
1251 | * PCI driver interface | |
1252 | */ | |
1253 | int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info) | |
1254 | { | |
a1541d5a | 1255 | int ret = -ENODEV; |
fca29703 | 1256 | device_reg_t __iomem *reg; |
1da177e4 LT |
1257 | struct Scsi_Host *host; |
1258 | scsi_qla_host_t *ha; | |
1259 | unsigned long flags = 0; | |
1260 | unsigned long wait_switch = 0; | |
1261 | char pci_info[20]; | |
1262 | char fw_str[30]; | |
8482e118 | 1263 | fc_port_t *fcport; |
1da177e4 LT |
1264 | |
1265 | if (pci_enable_device(pdev)) | |
a1541d5a | 1266 | goto probe_out; |
1da177e4 | 1267 | |
fca29703 AV |
1268 | host = scsi_host_alloc(brd_info->sht ? brd_info->sht: |
1269 | &qla2x00_driver_template, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1270 | if (host == NULL) { |
1271 | printk(KERN_WARNING | |
1272 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1273 | goto probe_disable_device; | |
1274 | } | |
1275 | ||
1276 | /* Clear our data area */ | |
1277 | ha = (scsi_qla_host_t *)host->hostdata; | |
1278 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1279 | ||
1280 | ha->pdev = pdev; | |
1281 | ha->host = host; | |
1282 | ha->host_no = host->host_no; | |
1283 | ha->brd_info = brd_info; | |
1284 | sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no); | |
1285 | ||
444d1d9b AM |
1286 | ha->dpc_pid = -1; |
1287 | ||
1da177e4 LT |
1288 | /* Configure PCI I/O space */ |
1289 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1290 | if (ret) |
1291 | goto probe_failed; | |
1da177e4 | 1292 | |
1da177e4 LT |
1293 | qla_printk(KERN_INFO, ha, |
1294 | "Found an %s, irq %d, iobase 0x%p\n", ha->brd_info->isp_name, | |
fca29703 | 1295 | pdev->irq, ha->iobase); |
1da177e4 LT |
1296 | |
1297 | spin_lock_init(&ha->hardware_lock); | |
1298 | ||
1da177e4 LT |
1299 | ha->prev_topology = 0; |
1300 | ha->ports = MAX_BUSES; | |
fca29703 | 1301 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1302 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
1da177e4 | 1303 | |
abbd8870 AV |
1304 | /* Assign ISP specific operations. */ |
1305 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1306 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1307 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1308 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1309 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1310 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1311 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1312 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1313 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1314 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1315 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1316 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1317 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1318 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1319 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1320 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1321 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1322 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1323 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1324 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1325 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1326 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1327 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 AV |
1328 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
1329 | ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump; | |
1da177e4 | 1330 | if (IS_QLA2100(ha)) { |
354d6b21 | 1331 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1332 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1333 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1334 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1335 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1336 | host->sg_tablesize = 32; | |
abbd8870 | 1337 | ha->gid_list_info_size = 4; |
1da177e4 | 1338 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1339 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1340 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1341 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1342 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1343 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1344 | ha->gid_list_info_size = 4; |
fca29703 | 1345 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1346 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1347 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1348 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1349 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1350 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1351 | ha->isp_ops.pci_config = qla2300_pci_config; |
1352 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1353 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
1354 | ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump; | |
1355 | ha->gid_list_info_size = 6; | |
fca29703 AV |
1356 | } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
1357 | host->max_id = MAX_TARGETS_2200; | |
1358 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1359 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1360 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1361 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1362 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1363 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1364 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1365 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1366 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1367 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1368 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1369 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1370 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
1371 | ha->isp_ops.load_risc = qla24xx_load_risc_flash; | |
1372 | if (ql2xfwloadbin) | |
1373 | ha->isp_ops.load_risc = qla24xx_load_risc_hotplug; | |
1374 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; | |
1375 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1376 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1377 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1378 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1379 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1380 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1381 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1382 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1383 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1384 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1385 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1386 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1387 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
1388 | ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump; | |
1389 | ha->gid_list_info_size = 8; | |
1da177e4 LT |
1390 | } |
1391 | host->can_queue = ha->request_q_length + 128; | |
1392 | ||
1393 | /* load the F/W, read paramaters, and init the H/W */ | |
1394 | ha->instance = num_hosts; | |
1395 | ||
1396 | init_MUTEX(&ha->mbx_cmd_sem); | |
1397 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1398 | ||
1399 | INIT_LIST_HEAD(&ha->list); | |
1400 | INIT_LIST_HEAD(&ha->fcports); | |
1401 | INIT_LIST_HEAD(&ha->rscn_fcports); | |
1da177e4 LT |
1402 | |
1403 | /* | |
1404 | * These locks are used to prevent more than one CPU | |
1405 | * from modifying the queue at the same time. The | |
1406 | * higher level "host_lock" will reduce most | |
1407 | * contention for these locks. | |
1408 | */ | |
1409 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 | 1410 | |
1da177e4 LT |
1411 | init_completion(&ha->dpc_inited); |
1412 | init_completion(&ha->dpc_exited); | |
1413 | ||
1414 | qla2x00_config_dma_addressing(ha); | |
1415 | if (qla2x00_mem_alloc(ha)) { | |
1416 | qla_printk(KERN_WARNING, ha, | |
1417 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1418 | ||
a1541d5a AV |
1419 | ret = -ENOMEM; |
1420 | goto probe_failed; | |
1da177e4 LT |
1421 | } |
1422 | ||
1423 | if (qla2x00_initialize_adapter(ha) && | |
1424 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1425 | ||
1426 | qla_printk(KERN_WARNING, ha, | |
1427 | "Failed to initialize adapter\n"); | |
1428 | ||
1429 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1430 | "Adapter flags %x.\n", | |
1431 | ha->host_no, ha->device_flags)); | |
1432 | ||
a1541d5a | 1433 | ret = -ENODEV; |
1da177e4 LT |
1434 | goto probe_failed; |
1435 | } | |
1436 | ||
1437 | /* | |
1438 | * Startup the kernel thread for this host adapter | |
1439 | */ | |
1440 | ha->dpc_should_die = 0; | |
1441 | ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0); | |
1442 | if (ha->dpc_pid < 0) { | |
1443 | qla_printk(KERN_WARNING, ha, | |
1444 | "Unable to start DPC thread!\n"); | |
1445 | ||
a1541d5a | 1446 | ret = -ENODEV; |
1da177e4 LT |
1447 | goto probe_failed; |
1448 | } | |
1449 | wait_for_completion(&ha->dpc_inited); | |
1450 | ||
a1541d5a AV |
1451 | host->this_id = 255; |
1452 | host->cmd_per_lun = 3; | |
1453 | host->unique_id = ha->instance; | |
1454 | host->max_cmd_len = MAX_CMDSZ; | |
1455 | host->max_channel = ha->ports - 1; | |
1456 | host->max_lun = MAX_LUNS; | |
1457 | host->transportt = qla2xxx_transport_template; | |
1458 | ||
fca29703 | 1459 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
abbd8870 | 1460 | SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha); |
a1541d5a | 1461 | if (ret) { |
1da177e4 LT |
1462 | qla_printk(KERN_WARNING, ha, |
1463 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1464 | pdev->irq); |
1da177e4 LT |
1465 | goto probe_failed; |
1466 | } | |
fca29703 | 1467 | host->irq = pdev->irq; |
1da177e4 LT |
1468 | |
1469 | /* Initialized the timer */ | |
1470 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1471 | ||
1472 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1473 | ha->host_no, ha)); | |
1474 | ||
abbd8870 | 1475 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1476 | |
1da177e4 | 1477 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 AV |
1478 | reg = ha->iobase; |
1479 | if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { | |
1480 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1481 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1482 | } else { | |
1483 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1484 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1485 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1486 | ||
1487 | /* Enable proper parity */ | |
1488 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1489 | if (IS_QLA2300(ha)) | |
1490 | /* SRAM parity */ | |
1491 | WRT_REG_WORD(®->isp.hccr, | |
1492 | (HCCR_ENABLE_PARITY + 0x1)); | |
1493 | else | |
1494 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1495 | WRT_REG_WORD(®->isp.hccr, | |
1496 | (HCCR_ENABLE_PARITY + 0x7)); | |
1497 | } | |
1da177e4 LT |
1498 | } |
1499 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1500 | ||
abbd8870 | 1501 | ha->isp_ops.enable_intrs(ha); |
1da177e4 LT |
1502 | |
1503 | /* v2.19.5b6 */ | |
1504 | /* | |
1505 | * Wait around max loop_reset_delay secs for the devices to come | |
1506 | * on-line. We don't want Linux scanning before we are ready. | |
1507 | * | |
1508 | */ | |
1509 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); | |
1510 | time_before(jiffies,wait_switch) && | |
1511 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) | |
1512 | && (ha->device_flags & SWITCH_FOUND) ;) { | |
1513 | ||
1514 | qla2x00_check_fabric_devices(ha); | |
1515 | ||
1516 | msleep(10); | |
1517 | } | |
1518 | ||
a1541d5a | 1519 | pci_set_drvdata(pdev, ha); |
1da177e4 LT |
1520 | ha->flags.init_done = 1; |
1521 | num_hosts++; | |
1522 | ||
a1541d5a AV |
1523 | ret = scsi_add_host(host, &pdev->dev); |
1524 | if (ret) | |
1525 | goto probe_failed; | |
1526 | ||
1527 | qla2x00_alloc_sysfs_attr(ha); | |
1528 | ||
1529 | qla2x00_init_host_attr(ha); | |
1530 | ||
1da177e4 LT |
1531 | qla_printk(KERN_INFO, ha, "\n" |
1532 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1533 | " QLogic %s - %s\n" | |
1534 | " %s: %s @ %s hdma%c, host#=%ld, fw=%s\n", qla2x00_version_str, | |
1535 | ha->model_number, ha->model_desc ? ha->model_desc: "", | |
abbd8870 | 1536 | ha->brd_info->isp_name, ha->isp_ops.pci_info_str(ha, pci_info), |
fca29703 | 1537 | pci_name(pdev), ha->flags.enable_64bit_addressing ? '+': '-', |
abbd8870 | 1538 | ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str)); |
1da177e4 | 1539 | |
8482e118 | 1540 | /* Go with fc_rport registration. */ |
1541 | list_for_each_entry(fcport, &ha->fcports, list) | |
1542 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1543 | |
1544 | return 0; | |
1545 | ||
1546 | probe_failed: | |
1547 | qla2x00_free_device(ha); | |
1548 | ||
1549 | scsi_host_put(host); | |
1550 | ||
1551 | probe_disable_device: | |
1552 | pci_disable_device(pdev); | |
1553 | ||
a1541d5a AV |
1554 | probe_out: |
1555 | return ret; | |
1da177e4 LT |
1556 | } |
1557 | EXPORT_SYMBOL_GPL(qla2x00_probe_one); | |
1558 | ||
1559 | void qla2x00_remove_one(struct pci_dev *pdev) | |
1560 | { | |
1561 | scsi_qla_host_t *ha; | |
1562 | ||
1563 | ha = pci_get_drvdata(pdev); | |
1564 | ||
8482e118 | 1565 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1566 | |
bdf79621 | 1567 | fc_remove_host(ha->host); |
1568 | ||
1da177e4 LT |
1569 | scsi_remove_host(ha->host); |
1570 | ||
1571 | qla2x00_free_device(ha); | |
1572 | ||
1573 | scsi_host_put(ha->host); | |
1574 | ||
1575 | pci_set_drvdata(pdev, NULL); | |
1576 | } | |
1577 | EXPORT_SYMBOL_GPL(qla2x00_remove_one); | |
1578 | ||
1579 | static void | |
1580 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1581 | { | |
1582 | int ret; | |
1583 | ||
1584 | /* Abort any outstanding IO descriptors. */ | |
1585 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1586 | qla2x00_cancel_io_descriptors(ha); | |
1587 | ||
1da177e4 LT |
1588 | /* Disable timer */ |
1589 | if (ha->timer_active) | |
1590 | qla2x00_stop_timer(ha); | |
1591 | ||
1592 | /* Kill the kernel thread for this host */ | |
1593 | if (ha->dpc_pid >= 0) { | |
1594 | ha->dpc_should_die = 1; | |
1595 | wmb(); | |
1596 | ret = kill_proc(ha->dpc_pid, SIGHUP, 1); | |
1597 | if (ret) { | |
1598 | qla_printk(KERN_ERR, ha, | |
1599 | "Unable to signal DPC thread -- (%d)\n", ret); | |
1600 | ||
1601 | /* TODO: SOMETHING MORE??? */ | |
1602 | } else { | |
1603 | wait_for_completion(&ha->dpc_exited); | |
1604 | } | |
1605 | } | |
1606 | ||
f6ef3b18 AV |
1607 | /* Stop currently executing firmware. */ |
1608 | qla2x00_stop_firmware(ha); | |
1da177e4 | 1609 | |
f6ef3b18 AV |
1610 | /* turn-off interrupts on the card */ |
1611 | if (ha->interrupts_on) | |
1612 | ha->isp_ops.disable_intrs(ha); | |
1613 | ||
1614 | qla2x00_mem_free(ha); | |
1da177e4 LT |
1615 | |
1616 | ha->flags.online = 0; | |
1617 | ||
1618 | /* Detach interrupts */ | |
1619 | if (ha->pdev->irq) | |
1620 | free_irq(ha->pdev->irq, ha); | |
1621 | ||
1622 | /* release io space registers */ | |
1623 | if (ha->iobase) | |
1624 | iounmap(ha->iobase); | |
1625 | pci_release_regions(ha->pdev); | |
1626 | ||
1627 | pci_disable_device(ha->pdev); | |
1628 | } | |
1629 | ||
1da177e4 LT |
1630 | /* |
1631 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1632 | * | |
1633 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1634 | * | |
1635 | * Return: None. | |
1636 | * | |
1637 | * Context: | |
1638 | */ | |
1639 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
1640 | int do_login) | |
1641 | { | |
8482e118 | 1642 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
19a7b4ae JSEC |
1643 | schedule_work(&fcport->rport_del_work); |
1644 | ||
fa2a1ce5 | 1645 | /* |
1da177e4 LT |
1646 | * We may need to retry the login, so don't change the state of the |
1647 | * port but do the retries. | |
1648 | */ | |
1649 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1650 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1651 | ||
1652 | if (!do_login) | |
1653 | return; | |
1654 | ||
1655 | if (fcport->login_retry == 0) { | |
1656 | fcport->login_retry = ha->login_retry_count; | |
1657 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1658 | ||
1659 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1660 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1661 | "id = 0x%04x retry cnt=%d\n", | |
1662 | ha->host_no, | |
1663 | fcport->port_name[0], | |
1664 | fcport->port_name[1], | |
1665 | fcport->port_name[2], | |
1666 | fcport->port_name[3], | |
1667 | fcport->port_name[4], | |
1668 | fcport->port_name[5], | |
1669 | fcport->port_name[6], | |
1670 | fcport->port_name[7], | |
1671 | fcport->loop_id, | |
1672 | fcport->login_retry)); | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | /* | |
1677 | * qla2x00_mark_all_devices_lost | |
1678 | * Updates fcport state when device goes offline. | |
1679 | * | |
1680 | * Input: | |
1681 | * ha = adapter block pointer. | |
1682 | * fcport = port structure pointer. | |
1683 | * | |
1684 | * Return: | |
1685 | * None. | |
1686 | * | |
1687 | * Context: | |
1688 | */ | |
1689 | void | |
fa2a1ce5 | 1690 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha) |
1da177e4 LT |
1691 | { |
1692 | fc_port_t *fcport; | |
1693 | ||
1694 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1695 | if (fcport->port_type != FCT_TARGET) | |
1696 | continue; | |
1697 | ||
1698 | /* | |
1699 | * No point in marking the device as lost, if the device is | |
1700 | * already DEAD. | |
1701 | */ | |
1702 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1703 | continue; | |
8482e118 | 1704 | if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) |
19a7b4ae | 1705 | schedule_work(&fcport->rport_del_work); |
1da177e4 LT |
1706 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1707 | } | |
1708 | } | |
1709 | ||
1710 | /* | |
1711 | * qla2x00_mem_alloc | |
1712 | * Allocates adapter memory. | |
1713 | * | |
1714 | * Returns: | |
1715 | * 0 = success. | |
1716 | * 1 = failure. | |
1717 | */ | |
1718 | static uint8_t | |
1719 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1720 | { | |
1721 | char name[16]; | |
1722 | uint8_t status = 1; | |
1723 | int retry= 10; | |
1724 | ||
1725 | do { | |
1726 | /* | |
1727 | * This will loop only once if everything goes well, else some | |
1728 | * number of retries will be performed to get around a kernel | |
1729 | * bug where available mem is not allocated until after a | |
1730 | * little delay and a retry. | |
1731 | */ | |
1732 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1733 | (ha->request_q_length + 1) * sizeof(request_t), | |
1734 | &ha->request_dma, GFP_KERNEL); | |
1735 | if (ha->request_ring == NULL) { | |
1736 | qla_printk(KERN_WARNING, ha, | |
1737 | "Memory Allocation failed - request_ring\n"); | |
1738 | ||
1739 | qla2x00_mem_free(ha); | |
1740 | msleep(100); | |
1741 | ||
1742 | continue; | |
1743 | } | |
1744 | ||
1745 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1746 | (ha->response_q_length + 1) * sizeof(response_t), | |
1747 | &ha->response_dma, GFP_KERNEL); | |
1748 | if (ha->response_ring == NULL) { | |
1749 | qla_printk(KERN_WARNING, ha, | |
1750 | "Memory Allocation failed - response_ring\n"); | |
1751 | ||
1752 | qla2x00_mem_free(ha); | |
1753 | msleep(100); | |
1754 | ||
1755 | continue; | |
1756 | } | |
1757 | ||
1758 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1759 | &ha->gid_list_dma, GFP_KERNEL); | |
1760 | if (ha->gid_list == NULL) { | |
1761 | qla_printk(KERN_WARNING, ha, | |
1762 | "Memory Allocation failed - gid_list\n"); | |
1763 | ||
1764 | qla2x00_mem_free(ha); | |
1765 | msleep(100); | |
1766 | ||
1767 | continue; | |
1768 | } | |
1769 | ||
1770 | ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev, | |
1771 | sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL); | |
1772 | if (ha->rlc_rsp == NULL) { | |
1773 | qla_printk(KERN_WARNING, ha, | |
1774 | "Memory Allocation failed - rlc"); | |
1775 | ||
1776 | qla2x00_mem_free(ha); | |
1777 | msleep(100); | |
1778 | ||
1779 | continue; | |
1780 | } | |
1781 | ||
1782 | snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no); | |
1783 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
1784 | DMA_POOL_SIZE, 8, 0); | |
1785 | if (ha->s_dma_pool == NULL) { | |
1786 | qla_printk(KERN_WARNING, ha, | |
1787 | "Memory Allocation failed - s_dma_pool\n"); | |
1788 | ||
1789 | qla2x00_mem_free(ha); | |
1790 | msleep(100); | |
1791 | ||
1792 | continue; | |
1793 | } | |
1794 | ||
1795 | /* get consistent memory allocated for init control block */ | |
1796 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1797 | &ha->init_cb_dma); | |
1798 | if (ha->init_cb == NULL) { | |
1799 | qla_printk(KERN_WARNING, ha, | |
1800 | "Memory Allocation failed - init_cb\n"); | |
1801 | ||
1802 | qla2x00_mem_free(ha); | |
1803 | msleep(100); | |
1804 | ||
1805 | continue; | |
1806 | } | |
fca29703 | 1807 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 LT |
1808 | |
1809 | /* Get consistent memory allocated for Get Port Database cmd */ | |
1810 | ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1811 | &ha->iodesc_pd_dma); | |
1812 | if (ha->iodesc_pd == NULL) { | |
1813 | /* error */ | |
1814 | qla_printk(KERN_WARNING, ha, | |
1815 | "Memory Allocation failed - iodesc_pd\n"); | |
1816 | ||
1817 | qla2x00_mem_free(ha); | |
1818 | msleep(100); | |
1819 | ||
1820 | continue; | |
1821 | } | |
1822 | memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE); | |
1823 | ||
1824 | /* Allocate ioctl related memory. */ | |
1825 | if (qla2x00_alloc_ioctl_mem(ha)) { | |
1826 | qla_printk(KERN_WARNING, ha, | |
1827 | "Memory Allocation failed - ioctl_mem\n"); | |
1828 | ||
1829 | qla2x00_mem_free(ha); | |
1830 | msleep(100); | |
1831 | ||
1832 | continue; | |
1833 | } | |
1834 | ||
1835 | if (qla2x00_allocate_sp_pool(ha)) { | |
1836 | qla_printk(KERN_WARNING, ha, | |
1837 | "Memory Allocation failed - " | |
1838 | "qla2x00_allocate_sp_pool()\n"); | |
1839 | ||
1840 | qla2x00_mem_free(ha); | |
1841 | msleep(100); | |
1842 | ||
1843 | continue; | |
1844 | } | |
1845 | ||
1846 | /* Allocate memory for SNS commands */ | |
1847 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1848 | /* Get consistent memory allocated for SNS commands */ | |
1849 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1850 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1851 | GFP_KERNEL); | |
1852 | if (ha->sns_cmd == NULL) { | |
1853 | /* error */ | |
1854 | qla_printk(KERN_WARNING, ha, | |
1855 | "Memory Allocation failed - sns_cmd\n"); | |
1856 | ||
1857 | qla2x00_mem_free(ha); | |
1858 | msleep(100); | |
1859 | ||
1860 | continue; | |
1861 | } | |
1862 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1863 | } else { | |
1864 | /* Get consistent memory allocated for MS IOCB */ | |
1865 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1866 | &ha->ms_iocb_dma); | |
1867 | if (ha->ms_iocb == NULL) { | |
1868 | /* error */ | |
1869 | qla_printk(KERN_WARNING, ha, | |
1870 | "Memory Allocation failed - ms_iocb\n"); | |
1871 | ||
1872 | qla2x00_mem_free(ha); | |
1873 | msleep(100); | |
1874 | ||
1875 | continue; | |
1876 | } | |
1877 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1878 | ||
1879 | /* | |
1880 | * Get consistent memory allocated for CT SNS | |
1881 | * commands | |
1882 | */ | |
1883 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
1884 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
1885 | GFP_KERNEL); | |
1886 | if (ha->ct_sns == NULL) { | |
1887 | /* error */ | |
1888 | qla_printk(KERN_WARNING, ha, | |
1889 | "Memory Allocation failed - ct_sns\n"); | |
1890 | ||
1891 | qla2x00_mem_free(ha); | |
1892 | msleep(100); | |
1893 | ||
1894 | continue; | |
1895 | } | |
1896 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
1897 | } | |
1898 | ||
1899 | /* Done all allocations without any error. */ | |
1900 | status = 0; | |
1901 | ||
1902 | } while (retry-- && status != 0); | |
1903 | ||
1904 | if (status) { | |
1905 | printk(KERN_WARNING | |
1906 | "%s(): **** FAILED ****\n", __func__); | |
1907 | } | |
1908 | ||
1909 | return(status); | |
1910 | } | |
1911 | ||
1912 | /* | |
1913 | * qla2x00_mem_free | |
1914 | * Frees all adapter allocated memory. | |
1915 | * | |
1916 | * Input: | |
1917 | * ha = adapter block pointer. | |
1918 | */ | |
1919 | static void | |
1920 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
1921 | { | |
1da177e4 LT |
1922 | struct list_head *fcpl, *fcptemp; |
1923 | fc_port_t *fcport; | |
fe74c71f | 1924 | unsigned int wtime;/* max wait time if mbx cmd is busy. */ |
1da177e4 LT |
1925 | |
1926 | if (ha == NULL) { | |
1927 | /* error */ | |
1928 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
1929 | return; | |
1930 | } | |
1931 | ||
1da177e4 | 1932 | /* Make sure all other threads are stopped. */ |
fe74c71f AV |
1933 | wtime = 60 * 1000; |
1934 | while (ha->dpc_wait && wtime) | |
1935 | wtime = msleep_interruptible(wtime); | |
1da177e4 LT |
1936 | |
1937 | /* free ioctl memory */ | |
1938 | qla2x00_free_ioctl_mem(ha); | |
1939 | ||
1940 | /* free sp pool */ | |
1941 | qla2x00_free_sp_pool(ha); | |
1942 | ||
1943 | if (ha->sns_cmd) | |
1944 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
1945 | ha->sns_cmd, ha->sns_cmd_dma); | |
1946 | ||
1947 | if (ha->ct_sns) | |
1948 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
1949 | ha->ct_sns, ha->ct_sns_dma); | |
1950 | ||
1951 | if (ha->ms_iocb) | |
1952 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
1953 | ||
1954 | if (ha->iodesc_pd) | |
1955 | dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma); | |
1956 | ||
1957 | if (ha->init_cb) | |
1958 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
1959 | ||
1960 | if (ha->s_dma_pool) | |
1961 | dma_pool_destroy(ha->s_dma_pool); | |
1962 | ||
1963 | if (ha->rlc_rsp) | |
1964 | dma_free_coherent(&ha->pdev->dev, | |
1965 | sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp, | |
1966 | ha->rlc_rsp_dma); | |
1967 | ||
1968 | if (ha->gid_list) | |
1969 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
1970 | ha->gid_list_dma); | |
1971 | ||
1972 | if (ha->response_ring) | |
1973 | dma_free_coherent(&ha->pdev->dev, | |
1974 | (ha->response_q_length + 1) * sizeof(response_t), | |
1975 | ha->response_ring, ha->response_dma); | |
1976 | ||
1977 | if (ha->request_ring) | |
1978 | dma_free_coherent(&ha->pdev->dev, | |
1979 | (ha->request_q_length + 1) * sizeof(request_t), | |
1980 | ha->request_ring, ha->request_dma); | |
1981 | ||
1982 | ha->sns_cmd = NULL; | |
1983 | ha->sns_cmd_dma = 0; | |
1984 | ha->ct_sns = NULL; | |
1985 | ha->ct_sns_dma = 0; | |
1986 | ha->ms_iocb = NULL; | |
1987 | ha->ms_iocb_dma = 0; | |
1988 | ha->iodesc_pd = NULL; | |
1989 | ha->iodesc_pd_dma = 0; | |
1990 | ha->init_cb = NULL; | |
1991 | ha->init_cb_dma = 0; | |
1992 | ||
1993 | ha->s_dma_pool = NULL; | |
1994 | ||
1995 | ha->rlc_rsp = NULL; | |
1996 | ha->rlc_rsp_dma = 0; | |
1997 | ha->gid_list = NULL; | |
1998 | ha->gid_list_dma = 0; | |
1999 | ||
2000 | ha->response_ring = NULL; | |
2001 | ha->response_dma = 0; | |
2002 | ha->request_ring = NULL; | |
2003 | ha->request_dma = 0; | |
2004 | ||
2005 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2006 | fcport = list_entry(fcpl, fc_port_t, list); | |
2007 | ||
1da177e4 LT |
2008 | /* fc ports */ |
2009 | list_del_init(&fcport->list); | |
2010 | kfree(fcport); | |
2011 | } | |
2012 | INIT_LIST_HEAD(&ha->fcports); | |
2013 | ||
2014 | if (ha->fw_dump) | |
2015 | free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order); | |
2016 | ||
fca29703 AV |
2017 | vfree(ha->fw_dump24); |
2018 | ||
2019 | vfree(ha->fw_dump_buffer); | |
1da177e4 LT |
2020 | |
2021 | ha->fw_dump = NULL; | |
fca29703 AV |
2022 | ha->fw_dump24 = NULL; |
2023 | ha->fw_dumped = 0; | |
1da177e4 LT |
2024 | ha->fw_dump_reading = 0; |
2025 | ha->fw_dump_buffer = NULL; | |
2026 | } | |
2027 | ||
2028 | /* | |
2029 | * qla2x00_allocate_sp_pool | |
2030 | * This routine is called during initialization to allocate | |
2031 | * memory for local srb_t. | |
2032 | * | |
2033 | * Input: | |
2034 | * ha = adapter block pointer. | |
2035 | * | |
2036 | * Context: | |
2037 | * Kernel context. | |
fa2a1ce5 | 2038 | * |
1da177e4 LT |
2039 | * Note: Sets the ref_count for non Null sp to one. |
2040 | */ | |
2041 | static int | |
fa2a1ce5 | 2042 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2043 | { |
2044 | int rval; | |
2045 | ||
2046 | rval = QLA_SUCCESS; | |
2047 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2048 | mempool_free_slab, srb_cachep); | |
2049 | if (ha->srb_mempool == NULL) { | |
2050 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2051 | rval = QLA_FUNCTION_FAILED; | |
2052 | } | |
2053 | return (rval); | |
2054 | } | |
2055 | ||
2056 | /* | |
2057 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2058 | * |
1da177e4 LT |
2059 | */ |
2060 | static void | |
fa2a1ce5 | 2061 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2062 | { |
2063 | if (ha->srb_mempool) { | |
2064 | mempool_destroy(ha->srb_mempool); | |
2065 | ha->srb_mempool = NULL; | |
2066 | } | |
2067 | } | |
2068 | ||
2069 | /************************************************************************** | |
2070 | * qla2x00_do_dpc | |
2071 | * This kernel thread is a task that is schedule by the interrupt handler | |
2072 | * to perform the background processing for interrupts. | |
2073 | * | |
2074 | * Notes: | |
2075 | * This task always run in the context of a kernel thread. It | |
2076 | * is kick-off by the driver's detect code and starts up | |
2077 | * up one per adapter. It immediately goes to sleep and waits for | |
2078 | * some fibre event. When either the interrupt handler or | |
2079 | * the timer routine detects a event it will one of the task | |
2080 | * bits then wake us up. | |
2081 | **************************************************************************/ | |
2082 | static int | |
2083 | qla2x00_do_dpc(void *data) | |
2084 | { | |
2085 | DECLARE_MUTEX_LOCKED(sem); | |
2086 | scsi_qla_host_t *ha; | |
2087 | fc_port_t *fcport; | |
1da177e4 | 2088 | uint8_t status; |
1da177e4 | 2089 | uint16_t next_loopid; |
1da177e4 LT |
2090 | |
2091 | ha = (scsi_qla_host_t *)data; | |
2092 | ||
2093 | lock_kernel(); | |
2094 | ||
2095 | daemonize("%s_dpc", ha->host_str); | |
2096 | allow_signal(SIGHUP); | |
2097 | ||
2098 | ha->dpc_wait = &sem; | |
2099 | ||
2100 | set_user_nice(current, -20); | |
2101 | ||
2102 | unlock_kernel(); | |
2103 | ||
2104 | complete(&ha->dpc_inited); | |
2105 | ||
2106 | while (1) { | |
2107 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); | |
2108 | ||
2109 | if (down_interruptible(&sem)) | |
2110 | break; | |
2111 | ||
2112 | if (ha->dpc_should_die) | |
2113 | break; | |
2114 | ||
2115 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2116 | ||
2117 | /* Initialization not yet finished. Don't do anything yet. */ | |
2118 | if (!ha->flags.init_done || ha->dpc_active) | |
2119 | continue; | |
2120 | ||
2121 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2122 | ||
2123 | ha->dpc_active = 1; | |
2124 | ||
1da177e4 | 2125 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2126 | ha->dpc_active = 0; |
2127 | continue; | |
2128 | } | |
2129 | ||
2130 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2131 | ||
2132 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2133 | "qla2x00_abort_isp ha = %p\n", | |
2134 | ha->host_no, ha)); | |
2135 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2136 | &ha->dpc_flags))) { | |
2137 | ||
2138 | if (qla2x00_abort_isp(ha)) { | |
2139 | /* failed. retry later */ | |
2140 | set_bit(ISP_ABORT_NEEDED, | |
2141 | &ha->dpc_flags); | |
2142 | } | |
2143 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2144 | } | |
2145 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2146 | ha->host_no)); | |
2147 | } | |
2148 | ||
91ca7b01 AV |
2149 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2150 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2151 | ha->host_no)); | |
2152 | qla2x00_loop_reset(ha); | |
2153 | } | |
2154 | ||
1da177e4 LT |
2155 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2156 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2157 | ||
2158 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2159 | ha->host_no)); | |
2160 | ||
2161 | qla2x00_rst_aen(ha); | |
2162 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2163 | } | |
2164 | ||
2165 | /* Retry each device up to login retry count */ | |
2166 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2167 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2168 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2169 | ||
2170 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2171 | ha->host_no)); | |
2172 | ||
2173 | next_loopid = 0; | |
2174 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2175 | if (fcport->port_type != FCT_TARGET) | |
2176 | continue; | |
2177 | ||
2178 | /* | |
2179 | * If the port is not ONLINE then try to login | |
2180 | * to it if we haven't run out of retries. | |
2181 | */ | |
2182 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2183 | fcport->login_retry) { | |
2184 | ||
2185 | fcport->login_retry--; | |
2186 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2187 | if (fcport->flags & | |
2188 | FCF_TAPE_PRESENT) | |
abbd8870 | 2189 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2190 | ha, fcport->loop_id, |
2191 | fcport->d_id.b.domain, | |
2192 | fcport->d_id.b.area, | |
2193 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2194 | status = qla2x00_fabric_login( |
2195 | ha, fcport, &next_loopid); | |
2196 | } else | |
2197 | status = | |
2198 | qla2x00_local_device_login( | |
2199 | ha, fcport->loop_id); | |
2200 | ||
2201 | if (status == QLA_SUCCESS) { | |
2202 | fcport->old_loop_id = fcport->loop_id; | |
2203 | ||
2204 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2205 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2206 | |
1da177e4 LT |
2207 | fcport->port_login_retry_count = |
2208 | ha->port_down_retry_count * PORT_RETRY_TIME; | |
2209 | atomic_set(&fcport->state, FCS_ONLINE); | |
2210 | atomic_set(&fcport->port_down_timer, | |
2211 | ha->port_down_retry_count * PORT_RETRY_TIME); | |
2212 | ||
2213 | fcport->login_retry = 0; | |
2214 | } else if (status == 1) { | |
2215 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2216 | /* retry the login again */ | |
2217 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2218 | ha->host_no, | |
2219 | fcport->login_retry, fcport->loop_id)); | |
2220 | } else { | |
2221 | fcport->login_retry = 0; | |
2222 | } | |
2223 | } | |
2224 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2225 | break; | |
2226 | } | |
2227 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2228 | ha->host_no)); | |
2229 | } | |
2230 | ||
2231 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2232 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2233 | ||
2234 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2235 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2236 | ha->host_no)); | |
fa2a1ce5 | 2237 | |
1da177e4 LT |
2238 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2239 | ||
2240 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2241 | ha->host_no)); | |
2242 | } | |
2243 | ||
2244 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2245 | ||
2246 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2247 | ha->host_no)); | |
2248 | ||
2249 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2250 | &ha->dpc_flags))) { | |
2251 | ||
2252 | qla2x00_loop_resync(ha); | |
2253 | ||
2254 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2255 | } | |
2256 | ||
2257 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2258 | ha->host_no)); | |
2259 | } | |
2260 | ||
1da177e4 LT |
2261 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2262 | ||
2263 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2264 | ha->host_no)); | |
2265 | ||
2266 | qla2x00_rescan_fcports(ha); | |
2267 | ||
2268 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2269 | "end.\n", | |
2270 | ha->host_no)); | |
2271 | } | |
2272 | ||
1da177e4 | 2273 | if (!ha->interrupts_on) |
abbd8870 | 2274 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2275 | |
1da177e4 LT |
2276 | ha->dpc_active = 0; |
2277 | } /* End of while(1) */ | |
2278 | ||
2279 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2280 | ||
2281 | /* | |
2282 | * Make sure that nobody tries to wake us up again. | |
2283 | */ | |
2284 | ha->dpc_wait = NULL; | |
2285 | ha->dpc_active = 0; | |
2286 | ||
2287 | complete_and_exit(&ha->dpc_exited, 0); | |
2288 | } | |
2289 | ||
1da177e4 LT |
2290 | /* |
2291 | * qla2x00_rst_aen | |
2292 | * Processes asynchronous reset. | |
2293 | * | |
2294 | * Input: | |
2295 | * ha = adapter block pointer. | |
2296 | */ | |
2297 | static void | |
fa2a1ce5 | 2298 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2299 | { |
2300 | if (ha->flags.online && !ha->flags.reset_active && | |
2301 | !atomic_read(&ha->loop_down_timer) && | |
2302 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2303 | do { | |
2304 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2305 | ||
2306 | /* | |
2307 | * Issue marker command only when we are going to start | |
2308 | * the I/O. | |
2309 | */ | |
2310 | ha->marker_needed = 1; | |
2311 | } while (!atomic_read(&ha->loop_down_timer) && | |
2312 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2313 | } | |
2314 | } | |
2315 | ||
f4f051eb | 2316 | static void |
2317 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2318 | { | |
2319 | struct scsi_cmnd *cmd = sp->cmd; | |
2320 | ||
2321 | if (sp->flags & SRB_DMA_VALID) { | |
2322 | if (cmd->use_sg) { | |
2323 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2324 | cmd->use_sg, cmd->sc_data_direction); | |
2325 | } else if (cmd->request_bufflen) { | |
2326 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2327 | cmd->request_bufflen, cmd->sc_data_direction); | |
2328 | } | |
2329 | sp->flags &= ~SRB_DMA_VALID; | |
2330 | } | |
fca29703 | 2331 | CMD_SP(cmd) = NULL; |
f4f051eb | 2332 | } |
2333 | ||
2334 | void | |
2335 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2336 | { | |
2337 | struct scsi_cmnd *cmd = sp->cmd; | |
2338 | ||
2339 | qla2x00_sp_free_dma(ha, sp); | |
2340 | ||
f4f051eb | 2341 | mempool_free(sp, ha->srb_mempool); |
2342 | ||
2343 | cmd->scsi_done(cmd); | |
2344 | } | |
bdf79621 | 2345 | |
1da177e4 LT |
2346 | /************************************************************************** |
2347 | * qla2x00_timer | |
2348 | * | |
2349 | * Description: | |
2350 | * One second timer | |
2351 | * | |
2352 | * Context: Interrupt | |
2353 | ***************************************************************************/ | |
2354 | static void | |
2355 | qla2x00_timer(scsi_qla_host_t *ha) | |
2356 | { | |
1da177e4 LT |
2357 | unsigned long cpu_flags = 0; |
2358 | fc_port_t *fcport; | |
1da177e4 LT |
2359 | int start_dpc = 0; |
2360 | int index; | |
2361 | srb_t *sp; | |
f4f051eb | 2362 | int t; |
1da177e4 LT |
2363 | |
2364 | /* | |
2365 | * Ports - Port down timer. | |
2366 | * | |
2367 | * Whenever, a port is in the LOST state we start decrementing its port | |
2368 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2369 | * the port it marked DEAD. |
1da177e4 LT |
2370 | */ |
2371 | t = 0; | |
2372 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2373 | if (fcport->port_type != FCT_TARGET) | |
2374 | continue; | |
2375 | ||
2376 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2377 | ||
2378 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2379 | continue; | |
2380 | ||
fa2a1ce5 | 2381 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2382 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2383 | |
1da177e4 | 2384 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2385 | "%d remaining\n", |
1da177e4 LT |
2386 | ha->host_no, |
2387 | t, atomic_read(&fcport->port_down_timer))); | |
2388 | } | |
2389 | t++; | |
2390 | } /* End of for fcport */ | |
2391 | ||
1da177e4 LT |
2392 | |
2393 | /* Loop down handler. */ | |
2394 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2395 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2396 | ||
2397 | if (atomic_read(&ha->loop_down_timer) == | |
2398 | ha->loop_down_abort_time) { | |
2399 | ||
2400 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2401 | "queues before time expire\n", | |
2402 | ha->host_no)); | |
2403 | ||
2404 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2405 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2406 | |
2407 | /* Schedule an ISP abort to return any tape commands. */ | |
2408 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2409 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2410 | index++) { | |
bdf79621 | 2411 | fc_port_t *sfcp; |
2412 | ||
1da177e4 LT |
2413 | sp = ha->outstanding_cmds[index]; |
2414 | if (!sp) | |
2415 | continue; | |
bdf79621 | 2416 | sfcp = sp->fcport; |
2417 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2418 | continue; |
2419 | ||
2420 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2421 | break; | |
2422 | } | |
2423 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2424 | ||
2425 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2426 | start_dpc++; | |
2427 | } | |
2428 | ||
2429 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2430 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2431 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2432 | "restarting queues.\n", | |
2433 | ha->host_no)); | |
2434 | ||
2435 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2436 | start_dpc++; | |
2437 | ||
2438 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2439 | DEBUG(printk("scsi(%ld): Loop down - " | |
2440 | "aborting ISP.\n", | |
2441 | ha->host_no)); | |
2442 | qla_printk(KERN_WARNING, ha, | |
2443 | "Loop down - aborting ISP.\n"); | |
2444 | ||
2445 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2446 | } | |
2447 | } | |
fca29703 | 2448 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2449 | ha->host_no, |
2450 | atomic_read(&ha->loop_down_timer))); | |
2451 | } | |
2452 | ||
1da177e4 LT |
2453 | /* Schedule the DPC routine if needed */ |
2454 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2455 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2456 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2457 | start_dpc || |
2458 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2459 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2460 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
2461 | ha->dpc_wait && !ha->dpc_active) { | |
2462 | ||
2463 | up(ha->dpc_wait); | |
2464 | } | |
2465 | ||
2466 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2467 | } | |
2468 | ||
1da177e4 LT |
2469 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2470 | int | |
2471 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2472 | { | |
fe74c71f AV |
2473 | const unsigned int step = 100; /* msecs */ |
2474 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2475 | |
2476 | do { | |
2477 | if (!down_trylock(sema)) | |
2478 | return 0; | |
fe74c71f | 2479 | if (msleep_interruptible(step)) |
1da177e4 | 2480 | break; |
fe74c71f | 2481 | } while (--iterations >= 0); |
1da177e4 LT |
2482 | |
2483 | return -ETIMEDOUT; | |
2484 | } | |
2485 | ||
fca29703 AV |
2486 | static struct qla_board_info qla_board_tbl[] = { |
2487 | { | |
2488 | .drv_name = "qla2400", | |
2489 | .isp_name = "ISP2422", | |
2490 | .fw_fname = "ql2400_fw.bin", | |
2491 | .sht = &qla24xx_driver_template, | |
2492 | }, | |
2493 | { | |
2494 | .drv_name = "qla2400", | |
2495 | .isp_name = "ISP2432", | |
2496 | .fw_fname = "ql2400_fw.bin", | |
2497 | .sht = &qla24xx_driver_template, | |
2498 | }, | |
2499 | }; | |
2500 | ||
2501 | static struct pci_device_id qla2xxx_pci_tbl[] = { | |
2502 | { | |
2503 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2504 | .device = PCI_DEVICE_ID_QLOGIC_ISP2422, | |
2505 | .subvendor = PCI_ANY_ID, | |
2506 | .subdevice = PCI_ANY_ID, | |
2507 | .driver_data = (unsigned long)&qla_board_tbl[0], | |
2508 | }, | |
2509 | { | |
2510 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
2511 | .device = PCI_DEVICE_ID_QLOGIC_ISP2432, | |
2512 | .subvendor = PCI_ANY_ID, | |
2513 | .subdevice = PCI_ANY_ID, | |
2514 | .driver_data = (unsigned long)&qla_board_tbl[1], | |
2515 | }, | |
2516 | {0, 0}, | |
2517 | }; | |
2518 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2519 | ||
2520 | static int __devinit | |
2521 | qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
2522 | { | |
2523 | return qla2x00_probe_one(pdev, | |
2524 | (struct qla_board_info *)id->driver_data); | |
2525 | } | |
2526 | ||
2527 | static void __devexit | |
2528 | qla2xxx_remove_one(struct pci_dev *pdev) | |
2529 | { | |
2530 | qla2x00_remove_one(pdev); | |
2531 | } | |
2532 | ||
2533 | static struct pci_driver qla2xxx_pci_driver = { | |
2534 | .name = "qla2xxx", | |
2535 | .id_table = qla2xxx_pci_tbl, | |
2536 | .probe = qla2xxx_probe_one, | |
2537 | .remove = __devexit_p(qla2xxx_remove_one), | |
2538 | }; | |
2539 | ||
1da177e4 LT |
2540 | /** |
2541 | * qla2x00_module_init - Module initialization. | |
2542 | **/ | |
2543 | static int __init | |
2544 | qla2x00_module_init(void) | |
2545 | { | |
fca29703 AV |
2546 | int ret = 0; |
2547 | ||
1da177e4 | 2548 | /* Allocate cache for SRBs. */ |
354d6b21 | 2549 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2550 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2551 | if (srb_cachep == NULL) { | |
2552 | printk(KERN_ERR | |
2553 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2554 | return -ENOMEM; | |
2555 | } | |
2556 | ||
2557 | /* Derive version string. */ | |
2558 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
2559 | #if DEBUG_QLA2100 | |
2560 | strcat(qla2x00_version_str, "-debug"); | |
2561 | #endif | |
1c97a12a AV |
2562 | qla2xxx_transport_template = |
2563 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2564 | if (!qla2xxx_transport_template) |
2565 | return -ENODEV; | |
2566 | ||
2567 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
fca29703 AV |
2568 | ret = pci_module_init(&qla2xxx_pci_driver); |
2569 | if (ret) { | |
2570 | kmem_cache_destroy(srb_cachep); | |
2571 | fc_release_transport(qla2xxx_transport_template); | |
2572 | } | |
2573 | return ret; | |
1da177e4 LT |
2574 | } |
2575 | ||
2576 | /** | |
2577 | * qla2x00_module_exit - Module cleanup. | |
2578 | **/ | |
2579 | static void __exit | |
2580 | qla2x00_module_exit(void) | |
2581 | { | |
fca29703 | 2582 | pci_unregister_driver(&qla2xxx_pci_driver); |
354d6b21 | 2583 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2584 | fc_release_transport(qla2xxx_transport_template); |
2585 | } | |
2586 | ||
2587 | module_init(qla2x00_module_init); | |
2588 | module_exit(qla2x00_module_exit); | |
2589 | ||
2590 | MODULE_AUTHOR("QLogic Corporation"); | |
2591 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2592 | MODULE_LICENSE("GPL"); | |
2593 | MODULE_VERSION(QLA2XXX_VERSION); |