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 | ||
331e3476 AV |
57 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
58 | int ql2xfwloadflash; | |
59 | module_param(ql2xfwloadflash, int, S_IRUGO|S_IRUSR); | |
60 | MODULE_PARM_DESC(ql2xfwloadflash, | |
61 | "Load ISP24xx firmware image from FLASH (onboard memory)."); | |
62 | #endif | |
63 | ||
1da177e4 LT |
64 | static void qla2x00_free_device(scsi_qla_host_t *); |
65 | ||
66 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
67 | ||
cca5335c AV |
68 | int ql2xfdmienable; |
69 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); | |
70 | MODULE_PARM_DESC(ql2xfdmienable, | |
71 | "Enables FDMI registratons " | |
72 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
73 | ||
79f89a42 AV |
74 | int ql2xprocessrscn; |
75 | module_param(ql2xprocessrscn, int, S_IRUGO|S_IRUSR); | |
76 | MODULE_PARM_DESC(ql2xprocessrscn, | |
77 | "Option to enable port RSCN handling via a series of less" | |
78 | "fabric intrusive ADISCs and PLOGIs."); | |
79 | ||
1da177e4 | 80 | /* |
fa2a1ce5 | 81 | * SCSI host template entry points |
1da177e4 LT |
82 | */ |
83 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb AV |
84 | static int qla2xxx_slave_alloc(struct scsi_device *); |
85 | static void qla2xxx_slave_destroy(struct scsi_device *); | |
1da177e4 LT |
86 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
87 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
88 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
89 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
90 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
91 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
92 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | |
93 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
94 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); | |
95 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); | |
96 | ||
ce7e4af7 AV |
97 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
98 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
99 | ||
1da177e4 LT |
100 | static struct scsi_host_template qla2x00_driver_template = { |
101 | .module = THIS_MODULE, | |
102 | .name = "qla2xxx", | |
1da177e4 LT |
103 | .queuecommand = qla2x00_queuecommand, |
104 | ||
105 | .eh_abort_handler = qla2xxx_eh_abort, | |
106 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
107 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
108 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
109 | ||
110 | .slave_configure = qla2xxx_slave_configure, | |
111 | ||
f4f051eb AV |
112 | .slave_alloc = qla2xxx_slave_alloc, |
113 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
114 | .change_queue_depth = qla2x00_change_queue_depth, |
115 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
116 | .this_id = -1, |
117 | .cmd_per_lun = 3, | |
118 | .use_clustering = ENABLE_CLUSTERING, | |
119 | .sg_tablesize = SG_ALL, | |
120 | ||
121 | /* | |
122 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
123 | * which equates to 0x800000 sectors. | |
124 | */ | |
125 | .max_sectors = 0xFFFF, | |
afb046e2 | 126 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
127 | }; |
128 | ||
fca29703 AV |
129 | static struct scsi_host_template qla24xx_driver_template = { |
130 | .module = THIS_MODULE, | |
131 | .name = "qla2xxx", | |
132 | .queuecommand = qla24xx_queuecommand, | |
133 | ||
134 | .eh_abort_handler = qla2xxx_eh_abort, | |
135 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
136 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
137 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
138 | ||
139 | .slave_configure = qla2xxx_slave_configure, | |
140 | ||
141 | .slave_alloc = qla2xxx_slave_alloc, | |
142 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
143 | .change_queue_depth = qla2x00_change_queue_depth, |
144 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
145 | .this_id = -1, |
146 | .cmd_per_lun = 3, | |
147 | .use_clustering = ENABLE_CLUSTERING, | |
148 | .sg_tablesize = SG_ALL, | |
149 | ||
150 | .max_sectors = 0xFFFF, | |
afb046e2 | 151 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
152 | }; |
153 | ||
1da177e4 LT |
154 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
155 | ||
1da177e4 LT |
156 | /* TODO Convert to inlines |
157 | * | |
158 | * Timer routines | |
159 | */ | |
160 | #define WATCH_INTERVAL 1 /* number of seconds */ | |
161 | ||
162 | static void qla2x00_timer(scsi_qla_host_t *); | |
163 | ||
164 | static __inline__ void qla2x00_start_timer(scsi_qla_host_t *, | |
165 | void *, unsigned long); | |
166 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
167 | static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); | |
168 | ||
169 | static inline void | |
170 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) | |
171 | { | |
172 | init_timer(&ha->timer); | |
173 | ha->timer.expires = jiffies + interval * HZ; | |
174 | ha->timer.data = (unsigned long)ha; | |
175 | ha->timer.function = (void (*)(unsigned long))func; | |
176 | add_timer(&ha->timer); | |
177 | ha->timer_active = 1; | |
178 | } | |
179 | ||
180 | static inline void | |
181 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
182 | { | |
183 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
184 | } | |
185 | ||
186 | static __inline__ void | |
187 | qla2x00_stop_timer(scsi_qla_host_t *ha) | |
188 | { | |
189 | del_timer_sync(&ha->timer); | |
190 | ha->timer_active = 0; | |
191 | } | |
192 | ||
1da177e4 LT |
193 | static int qla2x00_do_dpc(void *data); |
194 | ||
195 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
196 | ||
197 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); | |
198 | static void qla2x00_mem_free(scsi_qla_host_t *ha); | |
199 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); | |
200 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb AV |
201 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
202 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 203 | |
1da177e4 LT |
204 | /* -------------------------------------------------------------------------- */ |
205 | ||
1da177e4 | 206 | static char * |
abbd8870 | 207 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
208 | { |
209 | static char *pci_bus_modes[] = { | |
210 | "33", "66", "100", "133", | |
211 | }; | |
212 | uint16_t pci_bus; | |
213 | ||
214 | strcpy(str, "PCI"); | |
215 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
216 | if (pci_bus) { | |
217 | strcat(str, "-X ("); | |
218 | strcat(str, pci_bus_modes[pci_bus]); | |
219 | } else { | |
220 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
221 | strcat(str, " ("); | |
222 | strcat(str, pci_bus_modes[pci_bus]); | |
223 | } | |
224 | strcat(str, " MHz)"); | |
225 | ||
226 | return (str); | |
227 | } | |
228 | ||
fca29703 AV |
229 | static char * |
230 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
231 | { | |
232 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
233 | uint32_t pci_bus; | |
234 | int pcie_reg; | |
235 | ||
236 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
237 | if (pcie_reg) { | |
238 | char lwstr[6]; | |
239 | uint16_t pcie_lstat, lspeed, lwidth; | |
240 | ||
241 | pcie_reg += 0x12; | |
242 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
243 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
244 | lwidth = (pcie_lstat & | |
245 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
246 | ||
247 | strcpy(str, "PCIe ("); | |
248 | if (lspeed == 1) | |
249 | strcat(str, "2.5Gb/s "); | |
250 | else | |
251 | strcat(str, "<unknown> "); | |
252 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
253 | strcat(str, lwstr); | |
254 | ||
255 | return str; | |
256 | } | |
257 | ||
258 | strcpy(str, "PCI"); | |
259 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
260 | if (pci_bus == 0 || pci_bus == 8) { | |
261 | strcat(str, " ("); | |
262 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
263 | } else { | |
264 | strcat(str, "-X "); | |
265 | if (pci_bus & BIT_2) | |
266 | strcat(str, "Mode 2"); | |
267 | else | |
268 | strcat(str, "Mode 1"); | |
269 | strcat(str, " ("); | |
270 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
271 | } | |
272 | strcat(str, " MHz)"); | |
273 | ||
274 | return str; | |
275 | } | |
276 | ||
1da177e4 | 277 | char * |
abbd8870 | 278 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
279 | { |
280 | char un_str[10]; | |
fa2a1ce5 | 281 | |
1da177e4 LT |
282 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
283 | ha->fw_minor_version, | |
284 | ha->fw_subminor_version); | |
285 | ||
286 | if (ha->fw_attributes & BIT_9) { | |
287 | strcat(str, "FLX"); | |
288 | return (str); | |
289 | } | |
290 | ||
291 | switch (ha->fw_attributes & 0xFF) { | |
292 | case 0x7: | |
293 | strcat(str, "EF"); | |
294 | break; | |
295 | case 0x17: | |
296 | strcat(str, "TP"); | |
297 | break; | |
298 | case 0x37: | |
299 | strcat(str, "IP"); | |
300 | break; | |
301 | case 0x77: | |
302 | strcat(str, "VI"); | |
303 | break; | |
304 | default: | |
305 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
306 | strcat(str, un_str); | |
307 | break; | |
308 | } | |
309 | if (ha->fw_attributes & 0x100) | |
310 | strcat(str, "X"); | |
311 | ||
312 | return (str); | |
313 | } | |
314 | ||
fca29703 AV |
315 | char * |
316 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) | |
317 | { | |
f0883ac6 AV |
318 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
319 | ha->fw_minor_version, | |
320 | ha->fw_subminor_version); | |
321 | ||
fca29703 AV |
322 | if (ha->fw_attributes & BIT_0) |
323 | strcat(str, "[Class 2] "); | |
324 | if (ha->fw_attributes & BIT_1) | |
325 | strcat(str, "[IP] "); | |
326 | if (ha->fw_attributes & BIT_2) | |
327 | strcat(str, "[Multi-ID] "); | |
328 | if (ha->fw_attributes & BIT_13) | |
329 | strcat(str, "[Experimental]"); | |
330 | return str; | |
fca29703 AV |
331 | } |
332 | ||
333 | static inline srb_t * | |
334 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
335 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
336 | { | |
337 | srb_t *sp; | |
338 | ||
339 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
340 | if (!sp) | |
341 | return sp; | |
342 | ||
343 | atomic_set(&sp->ref_count, 1); | |
344 | sp->ha = ha; | |
345 | sp->fcport = fcport; | |
346 | sp->cmd = cmd; | |
347 | sp->flags = 0; | |
348 | CMD_SP(cmd) = (void *)sp; | |
349 | cmd->scsi_done = done; | |
350 | ||
351 | return sp; | |
352 | } | |
353 | ||
1da177e4 | 354 | static int |
f4f051eb | 355 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 356 | { |
f4f051eb | 357 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 358 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 359 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb AV |
360 | srb_t *sp; |
361 | int rval; | |
1da177e4 | 362 | |
19a7b4ae JSEC |
363 | rval = fc_remote_port_chkready(rport); |
364 | if (rval) { | |
365 | cmd->result = rval; | |
f4f051eb AV |
366 | goto qc_fail_command; |
367 | } | |
1da177e4 | 368 | |
f4f051eb AV |
369 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
370 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
371 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
372 | cmd->result = DID_NO_CONNECT << 16; | |
373 | goto qc_fail_command; | |
374 | } | |
375 | goto qc_host_busy; | |
376 | } | |
1da177e4 LT |
377 | |
378 | spin_unlock_irq(ha->host->host_lock); | |
379 | ||
fca29703 AV |
380 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
381 | if (!sp) | |
f4f051eb | 382 | goto qc_host_busy_lock; |
1da177e4 | 383 | |
f4f051eb AV |
384 | rval = qla2x00_start_scsi(sp); |
385 | if (rval != QLA_SUCCESS) | |
386 | goto qc_host_busy_free_sp; | |
1da177e4 | 387 | |
f4f051eb | 388 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 389 | |
f4f051eb | 390 | return 0; |
1da177e4 | 391 | |
f4f051eb AV |
392 | qc_host_busy_free_sp: |
393 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 394 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 395 | |
f4f051eb AV |
396 | qc_host_busy_lock: |
397 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 398 | |
f4f051eb AV |
399 | qc_host_busy: |
400 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 401 | |
f4f051eb AV |
402 | qc_fail_command: |
403 | done(cmd); | |
1da177e4 | 404 | |
f4f051eb | 405 | return 0; |
1da177e4 LT |
406 | } |
407 | ||
fca29703 AV |
408 | |
409 | static int | |
410 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
411 | { | |
412 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
413 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
19a7b4ae | 414 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
415 | srb_t *sp; |
416 | int rval; | |
417 | ||
19a7b4ae JSEC |
418 | rval = fc_remote_port_chkready(rport); |
419 | if (rval) { | |
420 | cmd->result = rval; | |
fca29703 AV |
421 | goto qc24_fail_command; |
422 | } | |
423 | ||
424 | if (atomic_read(&fcport->state) != FCS_ONLINE) { | |
425 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
426 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
427 | cmd->result = DID_NO_CONNECT << 16; | |
428 | goto qc24_fail_command; | |
429 | } | |
430 | goto qc24_host_busy; | |
431 | } | |
432 | ||
433 | spin_unlock_irq(ha->host->host_lock); | |
434 | ||
435 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
436 | if (!sp) | |
437 | goto qc24_host_busy_lock; | |
438 | ||
439 | rval = qla24xx_start_scsi(sp); | |
440 | if (rval != QLA_SUCCESS) | |
441 | goto qc24_host_busy_free_sp; | |
442 | ||
443 | spin_lock_irq(ha->host->host_lock); | |
444 | ||
445 | return 0; | |
446 | ||
447 | qc24_host_busy_free_sp: | |
448 | qla2x00_sp_free_dma(ha, sp); | |
449 | mempool_free(sp, ha->srb_mempool); | |
450 | ||
451 | qc24_host_busy_lock: | |
452 | spin_lock_irq(ha->host->host_lock); | |
453 | ||
454 | qc24_host_busy: | |
455 | return SCSI_MLQUEUE_HOST_BUSY; | |
456 | ||
457 | qc24_fail_command: | |
458 | done(cmd); | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | ||
1da177e4 LT |
464 | /* |
465 | * qla2x00_eh_wait_on_command | |
466 | * Waits for the command to be returned by the Firmware for some | |
467 | * max time. | |
468 | * | |
469 | * Input: | |
470 | * ha = actual ha whose done queue will contain the command | |
471 | * returned by firmware. | |
472 | * cmd = Scsi Command to wait on. | |
473 | * flag = Abort/Reset(Bus or Device Reset) | |
474 | * | |
475 | * Return: | |
476 | * Not Found : 0 | |
477 | * Found : 1 | |
478 | */ | |
479 | static int | |
480 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
481 | { | |
fe74c71f AV |
482 | #define ABORT_POLLING_PERIOD 1000 |
483 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
484 | unsigned long wait_iter = ABORT_WAIT_ITER; |
485 | int ret = QLA_SUCCESS; | |
1da177e4 | 486 | |
f4f051eb | 487 | while (CMD_SP(cmd)) { |
fe74c71f | 488 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 489 | |
f4f051eb AV |
490 | if (--wait_iter) |
491 | break; | |
492 | } | |
493 | if (CMD_SP(cmd)) | |
494 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 495 | |
f4f051eb | 496 | return ret; |
1da177e4 LT |
497 | } |
498 | ||
499 | /* | |
500 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 501 | * Wait till the HBA is online after going through |
1da177e4 LT |
502 | * <= MAX_RETRIES_OF_ISP_ABORT or |
503 | * finally HBA is disabled ie marked offline | |
504 | * | |
505 | * Input: | |
506 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
507 | * |
508 | * Note: | |
1da177e4 LT |
509 | * Does context switching-Release SPIN_LOCK |
510 | * (if any) before calling this routine. | |
511 | * | |
512 | * Return: | |
513 | * Success (Adapter is online) : 0 | |
514 | * Failed (Adapter is offline/disabled) : 1 | |
515 | */ | |
fa2a1ce5 | 516 | static int |
1da177e4 LT |
517 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
518 | { | |
fca29703 AV |
519 | int return_status; |
520 | unsigned long wait_online; | |
1da177e4 | 521 | |
fa2a1ce5 | 522 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
523 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
524 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
525 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
526 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
527 | ||
528 | msleep(1000); | |
529 | } | |
fa2a1ce5 AV |
530 | if (ha->flags.online) |
531 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
532 | else |
533 | return_status = QLA_FUNCTION_FAILED; | |
534 | ||
535 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
536 | ||
537 | return (return_status); | |
538 | } | |
539 | ||
540 | /* | |
541 | * qla2x00_wait_for_loop_ready | |
542 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 543 | * to be in LOOP_READY state. |
1da177e4 LT |
544 | * Input: |
545 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
546 | * |
547 | * Note: | |
1da177e4 LT |
548 | * Does context switching-Release SPIN_LOCK |
549 | * (if any) before calling this routine. | |
fa2a1ce5 | 550 | * |
1da177e4 LT |
551 | * |
552 | * Return: | |
553 | * Success (LOOP_READY) : 0 | |
554 | * Failed (LOOP_NOT_READY) : 1 | |
555 | */ | |
fa2a1ce5 | 556 | static inline int |
1da177e4 LT |
557 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
558 | { | |
559 | int return_status = QLA_SUCCESS; | |
560 | unsigned long loop_timeout ; | |
561 | ||
562 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 563 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
564 | |
565 | while ((!atomic_read(&ha->loop_down_timer) && | |
566 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 LT |
567 | atomic_read(&ha->loop_state) != LOOP_READY) { |
568 | msleep(1000); | |
569 | if (time_after_eq(jiffies, loop_timeout)) { | |
570 | return_status = QLA_FUNCTION_FAILED; | |
571 | break; | |
572 | } | |
573 | } | |
fa2a1ce5 | 574 | return (return_status); |
1da177e4 LT |
575 | } |
576 | ||
577 | /************************************************************************** | |
578 | * qla2xxx_eh_abort | |
579 | * | |
580 | * Description: | |
581 | * The abort function will abort the specified command. | |
582 | * | |
583 | * Input: | |
584 | * cmd = Linux SCSI command packet to be aborted. | |
585 | * | |
586 | * Returns: | |
587 | * Either SUCCESS or FAILED. | |
588 | * | |
589 | * Note: | |
590 | **************************************************************************/ | |
591 | int | |
592 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | |
593 | { | |
f4f051eb AV |
594 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
595 | srb_t *sp; | |
596 | int ret, i; | |
597 | unsigned int id, lun; | |
598 | unsigned long serial; | |
18e144d3 | 599 | unsigned long flags; |
1da177e4 | 600 | |
f4f051eb AV |
601 | if (!CMD_SP(cmd)) |
602 | return FAILED; | |
1da177e4 | 603 | |
f4f051eb | 604 | ret = FAILED; |
1da177e4 | 605 | |
f4f051eb AV |
606 | id = cmd->device->id; |
607 | lun = cmd->device->lun; | |
608 | serial = cmd->serial_number; | |
1da177e4 | 609 | |
f4f051eb | 610 | /* Check active list for command command. */ |
18e144d3 | 611 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb AV |
612 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
613 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 614 | |
f4f051eb AV |
615 | if (sp == NULL) |
616 | continue; | |
1da177e4 | 617 | |
f4f051eb AV |
618 | if (sp->cmd != cmd) |
619 | continue; | |
1da177e4 | 620 | |
f4f051eb AV |
621 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld " |
622 | "sp->state=%x\n", __func__, ha->host_no, sp, serial, | |
623 | sp->state)); | |
624 | DEBUG3(qla2x00_print_scsi_cmd(cmd);) | |
1da177e4 | 625 | |
18e144d3 | 626 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 627 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
628 | DEBUG2(printk("%s(%ld): abort_command " |
629 | "mbx failed.\n", __func__, ha->host_no)); | |
630 | } else { | |
631 | DEBUG3(printk("%s(%ld): abort_command " | |
632 | "mbx success.\n", __func__, ha->host_no)); | |
633 | ret = SUCCESS; | |
634 | } | |
18e144d3 | 635 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 636 | |
f4f051eb AV |
637 | break; |
638 | } | |
18e144d3 | 639 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 640 | |
f4f051eb AV |
641 | /* Wait for the command to be returned. */ |
642 | if (ret == SUCCESS) { | |
f4f051eb | 643 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 644 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
645 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
646 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
647 | } | |
1da177e4 | 648 | } |
1da177e4 | 649 | |
fa2a1ce5 | 650 | qla_printk(KERN_INFO, ha, |
f4f051eb AV |
651 | "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, |
652 | id, lun, serial, ret); | |
1da177e4 | 653 | |
f4f051eb AV |
654 | return ret; |
655 | } | |
1da177e4 | 656 | |
f4f051eb AV |
657 | /************************************************************************** |
658 | * qla2x00_eh_wait_for_pending_target_commands | |
659 | * | |
660 | * Description: | |
661 | * Waits for all the commands to come back from the specified target. | |
662 | * | |
663 | * Input: | |
664 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 665 | * t - target |
f4f051eb AV |
666 | * Returns: |
667 | * Either SUCCESS or FAILED. | |
668 | * | |
669 | * Note: | |
670 | **************************************************************************/ | |
671 | static int | |
672 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
673 | { | |
674 | int cnt; | |
675 | int status; | |
676 | srb_t *sp; | |
677 | struct scsi_cmnd *cmd; | |
18e144d3 | 678 | unsigned long flags; |
1da177e4 | 679 | |
f4f051eb | 680 | status = 0; |
1da177e4 LT |
681 | |
682 | /* | |
f4f051eb AV |
683 | * Waiting for all commands for the designated target in the active |
684 | * array | |
1da177e4 LT |
685 | */ |
686 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 687 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
688 | sp = ha->outstanding_cmds[cnt]; |
689 | if (sp) { | |
690 | cmd = sp->cmd; | |
18e144d3 | 691 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
692 | if (cmd->device->id == t) { |
693 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
694 | status = 1; | |
695 | break; | |
696 | } | |
697 | } | |
f4f051eb | 698 | } else { |
18e144d3 | 699 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
700 | } |
701 | } | |
702 | return (status); | |
703 | } | |
704 | ||
705 | ||
706 | /************************************************************************** | |
707 | * qla2xxx_eh_device_reset | |
708 | * | |
709 | * Description: | |
710 | * The device reset function will reset the target and abort any | |
711 | * executing commands. | |
712 | * | |
713 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 714 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
715 | * non-null. |
716 | * | |
717 | * Input: | |
718 | * cmd = Linux SCSI command packet of the command that cause the | |
719 | * bus device reset. | |
720 | * | |
721 | * Returns: | |
722 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
723 | * | |
724 | **************************************************************************/ | |
725 | int | |
726 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
727 | { | |
f4f051eb | 728 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 729 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
730 | srb_t *sp; |
731 | int ret; | |
732 | unsigned int id, lun; | |
733 | unsigned long serial; | |
1da177e4 | 734 | |
f4f051eb | 735 | ret = FAILED; |
1da177e4 | 736 | |
f4f051eb AV |
737 | id = cmd->device->id; |
738 | lun = cmd->device->lun; | |
739 | serial = cmd->serial_number; | |
1da177e4 | 740 | |
f4f051eb | 741 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 742 | if (!sp || !fcport) |
f4f051eb | 743 | return ret; |
1da177e4 LT |
744 | |
745 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 746 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 747 | |
94d0e7b8 | 748 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 749 | goto eh_dev_reset_done; |
1da177e4 LT |
750 | |
751 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
752 | if (qla2x00_device_reset(ha, fcport) == 0) |
753 | ret = SUCCESS; | |
1da177e4 LT |
754 | |
755 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
756 | if (ret == SUCCESS) { |
757 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 758 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
d97994dc | 759 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
760 | } |
761 | } | |
762 | #endif | |
763 | } else { | |
764 | DEBUG2(printk(KERN_INFO | |
765 | "%s failed: loop not ready\n",__func__);) | |
766 | } | |
767 | ||
f4f051eb | 768 | if (ret == FAILED) { |
1da177e4 LT |
769 | DEBUG3(printk("%s(%ld): device reset failed\n", |
770 | __func__, ha->host_no)); | |
771 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
772 | __func__); | |
773 | ||
774 | goto eh_dev_reset_done; | |
775 | } | |
776 | ||
9a41a62b AV |
777 | /* Flush outstanding commands. */ |
778 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
779 | ret = FAILED; | |
780 | if (ret == FAILED) { | |
781 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
782 | __func__, ha->host_no)); | |
783 | qla_printk(KERN_INFO, ha, | |
784 | "%s: failed while waiting for commands\n", __func__); | |
785 | } else | |
786 | qla_printk(KERN_INFO, ha, | |
787 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
788 | id, lun); | |
28f22b03 | 789 | eh_dev_reset_done: |
f4f051eb | 790 | return ret; |
1da177e4 LT |
791 | } |
792 | ||
793 | /************************************************************************** | |
794 | * qla2x00_eh_wait_for_pending_commands | |
795 | * | |
796 | * Description: | |
797 | * Waits for all the commands to come back from the specified host. | |
798 | * | |
799 | * Input: | |
800 | * ha - pointer to scsi_qla_host structure. | |
801 | * | |
802 | * Returns: | |
803 | * 1 : SUCCESS | |
804 | * 0 : FAILED | |
805 | * | |
806 | * Note: | |
807 | **************************************************************************/ | |
808 | static int | |
809 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
810 | { | |
811 | int cnt; | |
812 | int status; | |
813 | srb_t *sp; | |
814 | struct scsi_cmnd *cmd; | |
18e144d3 | 815 | unsigned long flags; |
1da177e4 LT |
816 | |
817 | status = 1; | |
818 | ||
819 | /* | |
820 | * Waiting for all commands for the designated target in the active | |
821 | * array | |
822 | */ | |
823 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 824 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
825 | sp = ha->outstanding_cmds[cnt]; |
826 | if (sp) { | |
827 | cmd = sp->cmd; | |
18e144d3 | 828 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
829 | status = qla2x00_eh_wait_on_command(ha, cmd); |
830 | if (status == 0) | |
831 | break; | |
832 | } | |
833 | else { | |
18e144d3 | 834 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
835 | } |
836 | } | |
837 | return (status); | |
838 | } | |
839 | ||
840 | ||
841 | /************************************************************************** | |
842 | * qla2xxx_eh_bus_reset | |
843 | * | |
844 | * Description: | |
845 | * The bus reset function will reset the bus and abort any executing | |
846 | * commands. | |
847 | * | |
848 | * Input: | |
849 | * cmd = Linux SCSI command packet of the command that cause the | |
850 | * bus reset. | |
851 | * | |
852 | * Returns: | |
853 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
854 | * | |
855 | **************************************************************************/ | |
856 | int | |
857 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | |
858 | { | |
f4f051eb | 859 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 860 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
1da177e4 | 861 | srb_t *sp; |
f4f051eb AV |
862 | int ret; |
863 | unsigned int id, lun; | |
864 | unsigned long serial; | |
865 | ||
866 | ret = FAILED; | |
867 | ||
868 | id = cmd->device->id; | |
869 | lun = cmd->device->lun; | |
870 | serial = cmd->serial_number; | |
1da177e4 | 871 | |
1da177e4 | 872 | sp = (srb_t *) CMD_SP(cmd); |
bdf79621 | 873 | if (!sp || !fcport) |
f4f051eb | 874 | return ret; |
1da177e4 LT |
875 | |
876 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 877 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 878 | |
1da177e4 LT |
879 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
880 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 881 | goto eh_bus_reset_done; |
1da177e4 LT |
882 | } |
883 | ||
884 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
885 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
886 | ret = SUCCESS; | |
1da177e4 | 887 | } |
f4f051eb AV |
888 | if (ret == FAILED) |
889 | goto eh_bus_reset_done; | |
1da177e4 | 890 | |
9a41a62b AV |
891 | /* Flush outstanding commands. */ |
892 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
893 | ret = FAILED; | |
1da177e4 | 894 | |
f4f051eb | 895 | eh_bus_reset_done: |
1da177e4 | 896 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 897 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 898 | |
f4f051eb | 899 | return ret; |
1da177e4 LT |
900 | } |
901 | ||
902 | /************************************************************************** | |
903 | * qla2xxx_eh_host_reset | |
904 | * | |
905 | * Description: | |
906 | * The reset function will reset the Adapter. | |
907 | * | |
908 | * Input: | |
909 | * cmd = Linux SCSI command packet of the command that cause the | |
910 | * adapter reset. | |
911 | * | |
912 | * Returns: | |
913 | * Either SUCCESS or FAILED. | |
914 | * | |
915 | * Note: | |
916 | **************************************************************************/ | |
917 | int | |
918 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
919 | { | |
f4f051eb | 920 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 921 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
922 | srb_t *sp; |
923 | int ret; | |
924 | unsigned int id, lun; | |
925 | unsigned long serial; | |
1da177e4 | 926 | |
f4f051eb AV |
927 | ret = FAILED; |
928 | ||
929 | id = cmd->device->id; | |
930 | lun = cmd->device->lun; | |
931 | serial = cmd->serial_number; | |
932 | ||
933 | sp = (srb_t *) CMD_SP(cmd); | |
bdf79621 | 934 | if (!sp || !fcport) |
f4f051eb | 935 | return ret; |
1da177e4 | 936 | |
1da177e4 | 937 | qla_printk(KERN_INFO, ha, |
f4f051eb | 938 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 939 | |
1da177e4 | 940 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 941 | goto eh_host_reset_lock; |
1da177e4 LT |
942 | |
943 | /* | |
944 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 945 | * loop_resync,so wait a while for it to |
1da177e4 LT |
946 | * be completed and then issue big hammer.Otherwise |
947 | * it may cause I/O failure as big hammer marks the | |
948 | * devices as lost kicking of the port_down_timer | |
949 | * while dpc is stuck for the mailbox to complete. | |
950 | */ | |
1da177e4 LT |
951 | qla2x00_wait_for_loop_ready(ha); |
952 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
953 | if (qla2x00_abort_isp(ha)) { | |
954 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
955 | /* failed. schedule dpc to try */ | |
956 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
957 | ||
958 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 959 | goto eh_host_reset_lock; |
fa2a1ce5 | 960 | } |
1da177e4 LT |
961 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
962 | ||
1da177e4 | 963 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb AV |
964 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
965 | ret = SUCCESS; | |
1da177e4 | 966 | |
f4f051eb | 967 | eh_host_reset_lock: |
f4f051eb AV |
968 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
969 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 970 | |
f4f051eb AV |
971 | return ret; |
972 | } | |
1da177e4 LT |
973 | |
974 | /* | |
975 | * qla2x00_loop_reset | |
976 | * Issue loop reset. | |
977 | * | |
978 | * Input: | |
979 | * ha = adapter block pointer. | |
980 | * | |
981 | * Returns: | |
982 | * 0 = success | |
983 | */ | |
984 | static int | |
985 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
986 | { | |
987 | int status = QLA_SUCCESS; | |
bdf79621 | 988 | struct fc_port *fcport; |
1da177e4 LT |
989 | |
990 | if (ha->flags.enable_lip_reset) { | |
991 | status = qla2x00_lip_reset(ha); | |
992 | } | |
993 | ||
994 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 AV |
995 | list_for_each_entry(fcport, &ha->fcports, list) { |
996 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
997 | continue; |
998 | ||
c00c72ae | 999 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 1000 | if (status != QLA_SUCCESS) |
1da177e4 | 1001 | break; |
1da177e4 LT |
1002 | } |
1003 | } | |
1004 | ||
1005 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 1006 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
1007 | !ha->flags.enable_lip_reset) || |
1008 | ha->flags.enable_lip_full_login)) { | |
1009 | ||
1010 | status = qla2x00_full_login_lip(ha); | |
1011 | } | |
1012 | ||
1013 | /* Issue marker command only when we are going to start the I/O */ | |
1014 | ha->marker_needed = 1; | |
1015 | ||
1016 | if (status) { | |
1017 | /* Empty */ | |
1018 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1019 | __func__, | |
1020 | ha->host_no);) | |
1021 | } else { | |
1022 | /* Empty */ | |
1023 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1024 | __func__, | |
1025 | ha->host_no);) | |
1026 | } | |
1027 | ||
1028 | return(status); | |
1029 | } | |
1030 | ||
1031 | /* | |
1032 | * qla2x00_device_reset | |
1033 | * Issue bus device reset message to the target. | |
1034 | * | |
1035 | * Input: | |
1036 | * ha = adapter block pointer. | |
1037 | * t = SCSI ID. | |
1038 | * TARGET_QUEUE_LOCK must be released. | |
1039 | * ADAPTER_STATE_LOCK must be released. | |
1040 | * | |
1041 | * Context: | |
1042 | * Kernel context. | |
1043 | */ | |
1044 | static int | |
1045 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1046 | { | |
1047 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1048 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1049 | } |
1050 | ||
f4f051eb AV |
1051 | static int |
1052 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1053 | { |
bdf79621 | 1054 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1055 | |
19a7b4ae | 1056 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1057 | return -ENXIO; |
bdf79621 | 1058 | |
19a7b4ae | 1059 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1060 | |
f4f051eb AV |
1061 | return 0; |
1062 | } | |
1da177e4 | 1063 | |
f4f051eb AV |
1064 | static int |
1065 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1066 | { | |
8482e118 AV |
1067 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1068 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1069 | ||
f4f051eb AV |
1070 | if (sdev->tagged_supported) |
1071 | scsi_activate_tcq(sdev, 32); | |
1072 | else | |
1073 | scsi_deactivate_tcq(sdev, 32); | |
1da177e4 | 1074 | |
8482e118 AV |
1075 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1076 | ||
f4f051eb AV |
1077 | return 0; |
1078 | } | |
1da177e4 | 1079 | |
f4f051eb AV |
1080 | static void |
1081 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1082 | { | |
1083 | sdev->hostdata = NULL; | |
1da177e4 LT |
1084 | } |
1085 | ||
ce7e4af7 AV |
1086 | static int |
1087 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1088 | { | |
1089 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1090 | return sdev->queue_depth; | |
1091 | } | |
1092 | ||
1093 | static int | |
1094 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1095 | { | |
1096 | if (sdev->tagged_supported) { | |
1097 | scsi_set_tag_type(sdev, tag_type); | |
1098 | if (tag_type) | |
1099 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1100 | else | |
1101 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1102 | } else | |
1103 | tag_type = 0; | |
1104 | ||
1105 | return tag_type; | |
1106 | } | |
1107 | ||
1da177e4 LT |
1108 | /** |
1109 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1110 | * @ha: HA context | |
1111 | * | |
1112 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1113 | * supported addressing method. | |
1114 | */ | |
1115 | static void | |
1116 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1117 | { | |
7524f9b9 | 1118 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1119 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1120 | |
7524f9b9 AV |
1121 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1122 | /* Any upper-dword bits set? */ | |
1123 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1124 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1125 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1126 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1127 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1128 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1129 | return; |
1da177e4 | 1130 | } |
1da177e4 | 1131 | } |
7524f9b9 AV |
1132 | |
1133 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1134 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1135 | } |
1136 | ||
1137 | static int | |
1138 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1139 | { | |
1140 | unsigned long pio, pio_len, pio_flags; | |
1141 | unsigned long mmio, mmio_len, mmio_flags; | |
1142 | ||
1143 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1144 | pio = pci_resource_start(ha->pdev, 0); | |
1145 | pio_len = pci_resource_len(ha->pdev, 0); | |
1146 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1147 | if (pio_flags & IORESOURCE_IO) { | |
1148 | if (pio_len < MIN_IOBASE_LEN) { | |
1149 | qla_printk(KERN_WARNING, ha, | |
1150 | "Invalid PCI I/O region size (%s)...\n", | |
1151 | pci_name(ha->pdev)); | |
1152 | pio = 0; | |
1153 | } | |
1154 | } else { | |
1155 | qla_printk(KERN_WARNING, ha, | |
1156 | "region #0 not a PIO resource (%s)...\n", | |
1157 | pci_name(ha->pdev)); | |
1158 | pio = 0; | |
1159 | } | |
1160 | ||
1161 | /* Use MMIO operations for all accesses. */ | |
1162 | mmio = pci_resource_start(ha->pdev, 1); | |
1163 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1164 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1165 | ||
1166 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1167 | qla_printk(KERN_ERR, ha, | |
1168 | "region #0 not an MMIO resource (%s), aborting\n", | |
1169 | pci_name(ha->pdev)); | |
1170 | goto iospace_error_exit; | |
1171 | } | |
1172 | if (mmio_len < MIN_IOBASE_LEN) { | |
1173 | qla_printk(KERN_ERR, ha, | |
1174 | "Invalid PCI mem region size (%s), aborting\n", | |
1175 | pci_name(ha->pdev)); | |
1176 | goto iospace_error_exit; | |
1177 | } | |
1178 | ||
1179 | if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) { | |
1180 | qla_printk(KERN_WARNING, ha, | |
1181 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1182 | pci_name(ha->pdev)); | |
1183 | ||
1184 | goto iospace_error_exit; | |
1185 | } | |
1186 | ||
1187 | ha->pio_address = pio; | |
1188 | ha->pio_length = pio_len; | |
1189 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1190 | if (!ha->iobase) { | |
1191 | qla_printk(KERN_ERR, ha, | |
1192 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1193 | ||
1194 | goto iospace_error_exit; | |
1195 | } | |
1196 | ||
1197 | return (0); | |
1198 | ||
1199 | iospace_error_exit: | |
1200 | return (-ENOMEM); | |
1201 | } | |
1202 | ||
abbd8870 AV |
1203 | static void |
1204 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1205 | { | |
1206 | unsigned long flags = 0; | |
3d71644c | 1207 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1208 | |
1209 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1210 | ha->interrupts_on = 1; | |
1211 | /* enable risc and host interrupts */ | |
1212 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1213 | RD_REG_WORD(®->ictrl); | |
1214 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1215 | ||
1216 | } | |
1217 | ||
1218 | static void | |
1219 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1220 | { | |
1221 | unsigned long flags = 0; | |
3d71644c | 1222 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1223 | |
1224 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1225 | ha->interrupts_on = 0; | |
1226 | /* disable risc and host interrupts */ | |
1227 | WRT_REG_WORD(®->ictrl, 0); | |
1228 | RD_REG_WORD(®->ictrl); | |
1229 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1230 | } | |
1231 | ||
fca29703 AV |
1232 | static void |
1233 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1234 | { | |
1235 | unsigned long flags = 0; | |
1236 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1237 | ||
1238 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1239 | ha->interrupts_on = 1; | |
1240 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1241 | RD_REG_DWORD(®->ictrl); | |
1242 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1243 | } | |
1244 | ||
1245 | static void | |
1246 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1247 | { | |
1248 | unsigned long flags = 0; | |
1249 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1250 | ||
1251 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1252 | ha->interrupts_on = 0; | |
1253 | WRT_REG_DWORD(®->ictrl, 0); | |
1254 | RD_REG_DWORD(®->ictrl); | |
1255 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1256 | } | |
1257 | ||
1da177e4 LT |
1258 | /* |
1259 | * PCI driver interface | |
1260 | */ | |
1261 | int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info) | |
1262 | { | |
a1541d5a | 1263 | int ret = -ENODEV; |
fca29703 | 1264 | device_reg_t __iomem *reg; |
1da177e4 LT |
1265 | struct Scsi_Host *host; |
1266 | scsi_qla_host_t *ha; | |
1267 | unsigned long flags = 0; | |
1268 | unsigned long wait_switch = 0; | |
1269 | char pci_info[20]; | |
1270 | char fw_str[30]; | |
8482e118 | 1271 | fc_port_t *fcport; |
5433383e | 1272 | struct scsi_host_template *sht; |
1da177e4 LT |
1273 | |
1274 | if (pci_enable_device(pdev)) | |
a1541d5a | 1275 | goto probe_out; |
1da177e4 | 1276 | |
5433383e AV |
1277 | sht = &qla2x00_driver_template; |
1278 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
1279 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432) | |
1280 | sht = &qla24xx_driver_template; | |
1281 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1282 | if (host == NULL) { |
1283 | printk(KERN_WARNING | |
1284 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1285 | goto probe_disable_device; | |
1286 | } | |
1287 | ||
1288 | /* Clear our data area */ | |
1289 | ha = (scsi_qla_host_t *)host->hostdata; | |
1290 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1291 | ||
1292 | ha->pdev = pdev; | |
1293 | ha->host = host; | |
1294 | ha->host_no = host->host_no; | |
1295 | ha->brd_info = brd_info; | |
1296 | sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no); | |
1297 | ||
444d1d9b AM |
1298 | ha->dpc_pid = -1; |
1299 | ||
1da177e4 LT |
1300 | /* Configure PCI I/O space */ |
1301 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1302 | if (ret) |
1303 | goto probe_failed; | |
1da177e4 | 1304 | |
1da177e4 | 1305 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1306 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1307 | ha->iobase); | |
1da177e4 LT |
1308 | |
1309 | spin_lock_init(&ha->hardware_lock); | |
1310 | ||
1da177e4 LT |
1311 | ha->prev_topology = 0; |
1312 | ha->ports = MAX_BUSES; | |
fca29703 | 1313 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1314 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
04414013 | 1315 | ha->link_data_rate = LDR_UNKNOWN; |
1da177e4 | 1316 | |
abbd8870 AV |
1317 | /* Assign ISP specific operations. */ |
1318 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1319 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1320 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1321 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1322 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1323 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1324 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1325 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1326 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1327 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1328 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1329 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1330 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1331 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1332 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1333 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1334 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1335 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1336 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1337 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1338 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1339 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1340 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 AV |
1341 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
1342 | ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump; | |
1da177e4 | 1343 | if (IS_QLA2100(ha)) { |
354d6b21 | 1344 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1345 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1346 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1347 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1348 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1349 | host->sg_tablesize = 32; | |
abbd8870 | 1350 | ha->gid_list_info_size = 4; |
1da177e4 | 1351 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1352 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1353 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1354 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1355 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1356 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1357 | ha->gid_list_info_size = 4; |
fca29703 | 1358 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1359 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1360 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1361 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1362 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1363 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1364 | ha->isp_ops.pci_config = qla2300_pci_config; |
1365 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1366 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
1367 | ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump; | |
f6df144c AV |
1368 | ha->isp_ops.beacon_on = qla2x00_beacon_on; |
1369 | ha->isp_ops.beacon_off = qla2x00_beacon_off; | |
1370 | ha->isp_ops.beacon_blink = qla2x00_beacon_blink; | |
abbd8870 | 1371 | ha->gid_list_info_size = 6; |
fca29703 AV |
1372 | } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
1373 | host->max_id = MAX_TARGETS_2200; | |
1374 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1375 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1376 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1377 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1378 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1379 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1380 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1381 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1382 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1383 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1384 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1385 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1386 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
5433383e | 1387 | ha->isp_ops.load_risc = qla24xx_load_risc; |
331e3476 AV |
1388 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
1389 | if (ql2xfwloadflash) | |
1390 | ha->isp_ops.load_risc = qla24xx_load_risc_flash; | |
5433383e | 1391 | #endif |
fca29703 AV |
1392 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; |
1393 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1394 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1395 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1396 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1397 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1398 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1399 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1400 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1401 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1402 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1403 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1404 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1405 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
1406 | ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump; | |
f6df144c AV |
1407 | ha->isp_ops.beacon_on = qla24xx_beacon_on; |
1408 | ha->isp_ops.beacon_off = qla24xx_beacon_off; | |
1409 | ha->isp_ops.beacon_blink = qla24xx_beacon_blink; | |
fca29703 | 1410 | ha->gid_list_info_size = 8; |
1da177e4 LT |
1411 | } |
1412 | host->can_queue = ha->request_q_length + 128; | |
1413 | ||
1414 | /* load the F/W, read paramaters, and init the H/W */ | |
1415 | ha->instance = num_hosts; | |
1416 | ||
1417 | init_MUTEX(&ha->mbx_cmd_sem); | |
1418 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1419 | ||
1420 | INIT_LIST_HEAD(&ha->list); | |
1421 | INIT_LIST_HEAD(&ha->fcports); | |
1422 | INIT_LIST_HEAD(&ha->rscn_fcports); | |
1da177e4 LT |
1423 | |
1424 | /* | |
1425 | * These locks are used to prevent more than one CPU | |
1426 | * from modifying the queue at the same time. The | |
1427 | * higher level "host_lock" will reduce most | |
1428 | * contention for these locks. | |
1429 | */ | |
1430 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 | 1431 | |
1da177e4 LT |
1432 | init_completion(&ha->dpc_inited); |
1433 | init_completion(&ha->dpc_exited); | |
1434 | ||
1435 | qla2x00_config_dma_addressing(ha); | |
1436 | if (qla2x00_mem_alloc(ha)) { | |
1437 | qla_printk(KERN_WARNING, ha, | |
1438 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1439 | ||
a1541d5a AV |
1440 | ret = -ENOMEM; |
1441 | goto probe_failed; | |
1da177e4 LT |
1442 | } |
1443 | ||
1444 | if (qla2x00_initialize_adapter(ha) && | |
1445 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1446 | ||
1447 | qla_printk(KERN_WARNING, ha, | |
1448 | "Failed to initialize adapter\n"); | |
1449 | ||
1450 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1451 | "Adapter flags %x.\n", | |
1452 | ha->host_no, ha->device_flags)); | |
1453 | ||
a1541d5a | 1454 | ret = -ENODEV; |
1da177e4 LT |
1455 | goto probe_failed; |
1456 | } | |
1457 | ||
1458 | /* | |
1459 | * Startup the kernel thread for this host adapter | |
1460 | */ | |
1461 | ha->dpc_should_die = 0; | |
1462 | ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0); | |
1463 | if (ha->dpc_pid < 0) { | |
1464 | qla_printk(KERN_WARNING, ha, | |
1465 | "Unable to start DPC thread!\n"); | |
1466 | ||
a1541d5a | 1467 | ret = -ENODEV; |
1da177e4 LT |
1468 | goto probe_failed; |
1469 | } | |
1470 | wait_for_completion(&ha->dpc_inited); | |
1471 | ||
a1541d5a AV |
1472 | host->this_id = 255; |
1473 | host->cmd_per_lun = 3; | |
1474 | host->unique_id = ha->instance; | |
1475 | host->max_cmd_len = MAX_CMDSZ; | |
1476 | host->max_channel = ha->ports - 1; | |
1477 | host->max_lun = MAX_LUNS; | |
1478 | host->transportt = qla2xxx_transport_template; | |
1479 | ||
fca29703 | 1480 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
abbd8870 | 1481 | SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha); |
a1541d5a | 1482 | if (ret) { |
1da177e4 LT |
1483 | qla_printk(KERN_WARNING, ha, |
1484 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1485 | pdev->irq); |
1da177e4 LT |
1486 | goto probe_failed; |
1487 | } | |
fca29703 | 1488 | host->irq = pdev->irq; |
1da177e4 LT |
1489 | |
1490 | /* Initialized the timer */ | |
1491 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1492 | ||
1493 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1494 | ha->host_no, ha)); | |
1495 | ||
abbd8870 | 1496 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1497 | |
1da177e4 | 1498 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 AV |
1499 | reg = ha->iobase; |
1500 | if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { | |
1501 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1502 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1503 | } else { | |
1504 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1505 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1506 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1507 | ||
1508 | /* Enable proper parity */ | |
1509 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1510 | if (IS_QLA2300(ha)) | |
1511 | /* SRAM parity */ | |
1512 | WRT_REG_WORD(®->isp.hccr, | |
1513 | (HCCR_ENABLE_PARITY + 0x1)); | |
1514 | else | |
1515 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1516 | WRT_REG_WORD(®->isp.hccr, | |
1517 | (HCCR_ENABLE_PARITY + 0x7)); | |
1518 | } | |
1da177e4 LT |
1519 | } |
1520 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1521 | ||
abbd8870 | 1522 | ha->isp_ops.enable_intrs(ha); |
1da177e4 LT |
1523 | |
1524 | /* v2.19.5b6 */ | |
1525 | /* | |
1526 | * Wait around max loop_reset_delay secs for the devices to come | |
1527 | * on-line. We don't want Linux scanning before we are ready. | |
1528 | * | |
1529 | */ | |
1530 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); | |
1531 | time_before(jiffies,wait_switch) && | |
1532 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) | |
1533 | && (ha->device_flags & SWITCH_FOUND) ;) { | |
1534 | ||
1535 | qla2x00_check_fabric_devices(ha); | |
1536 | ||
1537 | msleep(10); | |
1538 | } | |
1539 | ||
a1541d5a | 1540 | pci_set_drvdata(pdev, ha); |
1da177e4 LT |
1541 | ha->flags.init_done = 1; |
1542 | num_hosts++; | |
1543 | ||
a1541d5a AV |
1544 | ret = scsi_add_host(host, &pdev->dev); |
1545 | if (ret) | |
1546 | goto probe_failed; | |
1547 | ||
1548 | qla2x00_alloc_sysfs_attr(ha); | |
1549 | ||
1550 | qla2x00_init_host_attr(ha); | |
1551 | ||
1da177e4 LT |
1552 | qla_printk(KERN_INFO, ha, "\n" |
1553 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1554 | " QLogic %s - %s\n" | |
5433383e AV |
1555 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1556 | qla2x00_version_str, ha->model_number, | |
1557 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
1558 | ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev), | |
1559 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, | |
1560 | ha->isp_ops.fw_version_str(ha, fw_str)); | |
1da177e4 | 1561 | |
8482e118 AV |
1562 | /* Go with fc_rport registration. */ |
1563 | list_for_each_entry(fcport, &ha->fcports, list) | |
1564 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1565 | |
1566 | return 0; | |
1567 | ||
1568 | probe_failed: | |
1569 | qla2x00_free_device(ha); | |
1570 | ||
1571 | scsi_host_put(host); | |
1572 | ||
1573 | probe_disable_device: | |
1574 | pci_disable_device(pdev); | |
1575 | ||
a1541d5a AV |
1576 | probe_out: |
1577 | return ret; | |
1da177e4 LT |
1578 | } |
1579 | EXPORT_SYMBOL_GPL(qla2x00_probe_one); | |
1580 | ||
1581 | void qla2x00_remove_one(struct pci_dev *pdev) | |
1582 | { | |
1583 | scsi_qla_host_t *ha; | |
1584 | ||
1585 | ha = pci_get_drvdata(pdev); | |
1586 | ||
8482e118 | 1587 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1588 | |
bdf79621 AV |
1589 | fc_remove_host(ha->host); |
1590 | ||
1da177e4 LT |
1591 | scsi_remove_host(ha->host); |
1592 | ||
1593 | qla2x00_free_device(ha); | |
1594 | ||
1595 | scsi_host_put(ha->host); | |
1596 | ||
1597 | pci_set_drvdata(pdev, NULL); | |
1598 | } | |
1599 | EXPORT_SYMBOL_GPL(qla2x00_remove_one); | |
1600 | ||
1601 | static void | |
1602 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1603 | { | |
1604 | int ret; | |
1605 | ||
1606 | /* Abort any outstanding IO descriptors. */ | |
1607 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1608 | qla2x00_cancel_io_descriptors(ha); | |
1609 | ||
1da177e4 LT |
1610 | /* Disable timer */ |
1611 | if (ha->timer_active) | |
1612 | qla2x00_stop_timer(ha); | |
1613 | ||
1614 | /* Kill the kernel thread for this host */ | |
1615 | if (ha->dpc_pid >= 0) { | |
1616 | ha->dpc_should_die = 1; | |
1617 | wmb(); | |
1618 | ret = kill_proc(ha->dpc_pid, SIGHUP, 1); | |
1619 | if (ret) { | |
1620 | qla_printk(KERN_ERR, ha, | |
1621 | "Unable to signal DPC thread -- (%d)\n", ret); | |
1622 | ||
1623 | /* TODO: SOMETHING MORE??? */ | |
1624 | } else { | |
1625 | wait_for_completion(&ha->dpc_exited); | |
1626 | } | |
1627 | } | |
1628 | ||
f6ef3b18 AV |
1629 | /* Stop currently executing firmware. */ |
1630 | qla2x00_stop_firmware(ha); | |
1da177e4 | 1631 | |
f6ef3b18 AV |
1632 | /* turn-off interrupts on the card */ |
1633 | if (ha->interrupts_on) | |
1634 | ha->isp_ops.disable_intrs(ha); | |
1635 | ||
1636 | qla2x00_mem_free(ha); | |
1da177e4 LT |
1637 | |
1638 | ha->flags.online = 0; | |
1639 | ||
1640 | /* Detach interrupts */ | |
1641 | if (ha->pdev->irq) | |
1642 | free_irq(ha->pdev->irq, ha); | |
1643 | ||
1644 | /* release io space registers */ | |
1645 | if (ha->iobase) | |
1646 | iounmap(ha->iobase); | |
1647 | pci_release_regions(ha->pdev); | |
1648 | ||
1649 | pci_disable_device(ha->pdev); | |
1650 | } | |
1651 | ||
d97994dc AV |
1652 | static inline void |
1653 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1654 | int defer) | |
1655 | { | |
1656 | unsigned long flags; | |
1657 | struct fc_rport *rport; | |
1658 | ||
1659 | if (!fcport->rport) | |
1660 | return; | |
1661 | ||
1662 | rport = fcport->rport; | |
1663 | if (defer) { | |
1664 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1665 | fcport->drport = rport; | |
1666 | fcport->rport = NULL; | |
1667 | spin_unlock_irqrestore(&fcport->rport_lock, flags); | |
1668 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1669 | } else { | |
1670 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1671 | fcport->rport = NULL; | |
1672 | spin_unlock_irqrestore(&fcport->rport_lock, flags); | |
1673 | fc_remote_port_delete(rport); | |
1674 | } | |
1675 | } | |
1676 | ||
1da177e4 LT |
1677 | /* |
1678 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1679 | * | |
1680 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1681 | * | |
1682 | * Return: None. | |
1683 | * | |
1684 | * Context: | |
1685 | */ | |
1686 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1687 | int do_login, int defer) |
1da177e4 | 1688 | { |
d97994dc AV |
1689 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1690 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
19a7b4ae | 1691 | |
fa2a1ce5 | 1692 | /* |
1da177e4 LT |
1693 | * We may need to retry the login, so don't change the state of the |
1694 | * port but do the retries. | |
1695 | */ | |
1696 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1697 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1698 | ||
1699 | if (!do_login) | |
1700 | return; | |
1701 | ||
1702 | if (fcport->login_retry == 0) { | |
1703 | fcport->login_retry = ha->login_retry_count; | |
1704 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1705 | ||
1706 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1707 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1708 | "id = 0x%04x retry cnt=%d\n", | |
1709 | ha->host_no, | |
1710 | fcport->port_name[0], | |
1711 | fcport->port_name[1], | |
1712 | fcport->port_name[2], | |
1713 | fcport->port_name[3], | |
1714 | fcport->port_name[4], | |
1715 | fcport->port_name[5], | |
1716 | fcport->port_name[6], | |
1717 | fcport->port_name[7], | |
1718 | fcport->loop_id, | |
1719 | fcport->login_retry)); | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | /* | |
1724 | * qla2x00_mark_all_devices_lost | |
1725 | * Updates fcport state when device goes offline. | |
1726 | * | |
1727 | * Input: | |
1728 | * ha = adapter block pointer. | |
1729 | * fcport = port structure pointer. | |
1730 | * | |
1731 | * Return: | |
1732 | * None. | |
1733 | * | |
1734 | * Context: | |
1735 | */ | |
1736 | void | |
d97994dc | 1737 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1738 | { |
1739 | fc_port_t *fcport; | |
1740 | ||
1741 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1742 | if (fcport->port_type != FCT_TARGET) | |
1743 | continue; | |
1744 | ||
1745 | /* | |
1746 | * No point in marking the device as lost, if the device is | |
1747 | * already DEAD. | |
1748 | */ | |
1749 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1750 | continue; | |
d97994dc AV |
1751 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1752 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1da177e4 LT |
1753 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1754 | } | |
d97994dc AV |
1755 | |
1756 | if (defer && ha->dpc_wait && !ha->dpc_active) | |
1757 | up(ha->dpc_wait); | |
1da177e4 LT |
1758 | } |
1759 | ||
1760 | /* | |
1761 | * qla2x00_mem_alloc | |
1762 | * Allocates adapter memory. | |
1763 | * | |
1764 | * Returns: | |
1765 | * 0 = success. | |
1766 | * 1 = failure. | |
1767 | */ | |
1768 | static uint8_t | |
1769 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1770 | { | |
1771 | char name[16]; | |
1772 | uint8_t status = 1; | |
1773 | int retry= 10; | |
1774 | ||
1775 | do { | |
1776 | /* | |
1777 | * This will loop only once if everything goes well, else some | |
1778 | * number of retries will be performed to get around a kernel | |
1779 | * bug where available mem is not allocated until after a | |
1780 | * little delay and a retry. | |
1781 | */ | |
1782 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1783 | (ha->request_q_length + 1) * sizeof(request_t), | |
1784 | &ha->request_dma, GFP_KERNEL); | |
1785 | if (ha->request_ring == NULL) { | |
1786 | qla_printk(KERN_WARNING, ha, | |
1787 | "Memory Allocation failed - request_ring\n"); | |
1788 | ||
1789 | qla2x00_mem_free(ha); | |
1790 | msleep(100); | |
1791 | ||
1792 | continue; | |
1793 | } | |
1794 | ||
1795 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1796 | (ha->response_q_length + 1) * sizeof(response_t), | |
1797 | &ha->response_dma, GFP_KERNEL); | |
1798 | if (ha->response_ring == NULL) { | |
1799 | qla_printk(KERN_WARNING, ha, | |
1800 | "Memory Allocation failed - response_ring\n"); | |
1801 | ||
1802 | qla2x00_mem_free(ha); | |
1803 | msleep(100); | |
1804 | ||
1805 | continue; | |
1806 | } | |
1807 | ||
1808 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1809 | &ha->gid_list_dma, GFP_KERNEL); | |
1810 | if (ha->gid_list == NULL) { | |
1811 | qla_printk(KERN_WARNING, ha, | |
1812 | "Memory Allocation failed - gid_list\n"); | |
1813 | ||
1814 | qla2x00_mem_free(ha); | |
1815 | msleep(100); | |
1816 | ||
1817 | continue; | |
1818 | } | |
1819 | ||
1820 | ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev, | |
1821 | sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL); | |
1822 | if (ha->rlc_rsp == NULL) { | |
1823 | qla_printk(KERN_WARNING, ha, | |
1824 | "Memory Allocation failed - rlc"); | |
1825 | ||
1826 | qla2x00_mem_free(ha); | |
1827 | msleep(100); | |
1828 | ||
1829 | continue; | |
1830 | } | |
1831 | ||
1832 | snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no); | |
1833 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
1834 | DMA_POOL_SIZE, 8, 0); | |
1835 | if (ha->s_dma_pool == NULL) { | |
1836 | qla_printk(KERN_WARNING, ha, | |
1837 | "Memory Allocation failed - s_dma_pool\n"); | |
1838 | ||
1839 | qla2x00_mem_free(ha); | |
1840 | msleep(100); | |
1841 | ||
1842 | continue; | |
1843 | } | |
1844 | ||
1845 | /* get consistent memory allocated for init control block */ | |
1846 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1847 | &ha->init_cb_dma); | |
1848 | if (ha->init_cb == NULL) { | |
1849 | qla_printk(KERN_WARNING, ha, | |
1850 | "Memory Allocation failed - init_cb\n"); | |
1851 | ||
1852 | qla2x00_mem_free(ha); | |
1853 | msleep(100); | |
1854 | ||
1855 | continue; | |
1856 | } | |
fca29703 | 1857 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 LT |
1858 | |
1859 | /* Get consistent memory allocated for Get Port Database cmd */ | |
1860 | ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1861 | &ha->iodesc_pd_dma); | |
1862 | if (ha->iodesc_pd == NULL) { | |
1863 | /* error */ | |
1864 | qla_printk(KERN_WARNING, ha, | |
1865 | "Memory Allocation failed - iodesc_pd\n"); | |
1866 | ||
1867 | qla2x00_mem_free(ha); | |
1868 | msleep(100); | |
1869 | ||
1870 | continue; | |
1871 | } | |
1872 | memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE); | |
1873 | ||
1874 | /* Allocate ioctl related memory. */ | |
1875 | if (qla2x00_alloc_ioctl_mem(ha)) { | |
1876 | qla_printk(KERN_WARNING, ha, | |
1877 | "Memory Allocation failed - ioctl_mem\n"); | |
1878 | ||
1879 | qla2x00_mem_free(ha); | |
1880 | msleep(100); | |
1881 | ||
1882 | continue; | |
1883 | } | |
1884 | ||
1885 | if (qla2x00_allocate_sp_pool(ha)) { | |
1886 | qla_printk(KERN_WARNING, ha, | |
1887 | "Memory Allocation failed - " | |
1888 | "qla2x00_allocate_sp_pool()\n"); | |
1889 | ||
1890 | qla2x00_mem_free(ha); | |
1891 | msleep(100); | |
1892 | ||
1893 | continue; | |
1894 | } | |
1895 | ||
1896 | /* Allocate memory for SNS commands */ | |
1897 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1898 | /* Get consistent memory allocated for SNS commands */ | |
1899 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1900 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1901 | GFP_KERNEL); | |
1902 | if (ha->sns_cmd == NULL) { | |
1903 | /* error */ | |
1904 | qla_printk(KERN_WARNING, ha, | |
1905 | "Memory Allocation failed - sns_cmd\n"); | |
1906 | ||
1907 | qla2x00_mem_free(ha); | |
1908 | msleep(100); | |
1909 | ||
1910 | continue; | |
1911 | } | |
1912 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1913 | } else { | |
1914 | /* Get consistent memory allocated for MS IOCB */ | |
1915 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1916 | &ha->ms_iocb_dma); | |
1917 | if (ha->ms_iocb == NULL) { | |
1918 | /* error */ | |
1919 | qla_printk(KERN_WARNING, ha, | |
1920 | "Memory Allocation failed - ms_iocb\n"); | |
1921 | ||
1922 | qla2x00_mem_free(ha); | |
1923 | msleep(100); | |
1924 | ||
1925 | continue; | |
1926 | } | |
1927 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1928 | ||
1929 | /* | |
1930 | * Get consistent memory allocated for CT SNS | |
1931 | * commands | |
1932 | */ | |
1933 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
1934 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
1935 | GFP_KERNEL); | |
1936 | if (ha->ct_sns == NULL) { | |
1937 | /* error */ | |
1938 | qla_printk(KERN_WARNING, ha, | |
1939 | "Memory Allocation failed - ct_sns\n"); | |
1940 | ||
1941 | qla2x00_mem_free(ha); | |
1942 | msleep(100); | |
1943 | ||
1944 | continue; | |
1945 | } | |
1946 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
1947 | } | |
1948 | ||
1949 | /* Done all allocations without any error. */ | |
1950 | status = 0; | |
1951 | ||
1952 | } while (retry-- && status != 0); | |
1953 | ||
1954 | if (status) { | |
1955 | printk(KERN_WARNING | |
1956 | "%s(): **** FAILED ****\n", __func__); | |
1957 | } | |
1958 | ||
1959 | return(status); | |
1960 | } | |
1961 | ||
1962 | /* | |
1963 | * qla2x00_mem_free | |
1964 | * Frees all adapter allocated memory. | |
1965 | * | |
1966 | * Input: | |
1967 | * ha = adapter block pointer. | |
1968 | */ | |
1969 | static void | |
1970 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
1971 | { | |
1da177e4 LT |
1972 | struct list_head *fcpl, *fcptemp; |
1973 | fc_port_t *fcport; | |
fe74c71f | 1974 | unsigned int wtime;/* max wait time if mbx cmd is busy. */ |
1da177e4 LT |
1975 | |
1976 | if (ha == NULL) { | |
1977 | /* error */ | |
1978 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
1979 | return; | |
1980 | } | |
1981 | ||
1da177e4 | 1982 | /* Make sure all other threads are stopped. */ |
fe74c71f AV |
1983 | wtime = 60 * 1000; |
1984 | while (ha->dpc_wait && wtime) | |
1985 | wtime = msleep_interruptible(wtime); | |
1da177e4 LT |
1986 | |
1987 | /* free ioctl memory */ | |
1988 | qla2x00_free_ioctl_mem(ha); | |
1989 | ||
1990 | /* free sp pool */ | |
1991 | qla2x00_free_sp_pool(ha); | |
1992 | ||
1993 | if (ha->sns_cmd) | |
1994 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
1995 | ha->sns_cmd, ha->sns_cmd_dma); | |
1996 | ||
1997 | if (ha->ct_sns) | |
1998 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
1999 | ha->ct_sns, ha->ct_sns_dma); | |
2000 | ||
2001 | if (ha->ms_iocb) | |
2002 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2003 | ||
2004 | if (ha->iodesc_pd) | |
2005 | dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma); | |
2006 | ||
2007 | if (ha->init_cb) | |
2008 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
2009 | ||
2010 | if (ha->s_dma_pool) | |
2011 | dma_pool_destroy(ha->s_dma_pool); | |
2012 | ||
2013 | if (ha->rlc_rsp) | |
2014 | dma_free_coherent(&ha->pdev->dev, | |
2015 | sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp, | |
2016 | ha->rlc_rsp_dma); | |
2017 | ||
2018 | if (ha->gid_list) | |
2019 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2020 | ha->gid_list_dma); | |
2021 | ||
2022 | if (ha->response_ring) | |
2023 | dma_free_coherent(&ha->pdev->dev, | |
2024 | (ha->response_q_length + 1) * sizeof(response_t), | |
2025 | ha->response_ring, ha->response_dma); | |
2026 | ||
2027 | if (ha->request_ring) | |
2028 | dma_free_coherent(&ha->pdev->dev, | |
2029 | (ha->request_q_length + 1) * sizeof(request_t), | |
2030 | ha->request_ring, ha->request_dma); | |
2031 | ||
2032 | ha->sns_cmd = NULL; | |
2033 | ha->sns_cmd_dma = 0; | |
2034 | ha->ct_sns = NULL; | |
2035 | ha->ct_sns_dma = 0; | |
2036 | ha->ms_iocb = NULL; | |
2037 | ha->ms_iocb_dma = 0; | |
2038 | ha->iodesc_pd = NULL; | |
2039 | ha->iodesc_pd_dma = 0; | |
2040 | ha->init_cb = NULL; | |
2041 | ha->init_cb_dma = 0; | |
2042 | ||
2043 | ha->s_dma_pool = NULL; | |
2044 | ||
2045 | ha->rlc_rsp = NULL; | |
2046 | ha->rlc_rsp_dma = 0; | |
2047 | ha->gid_list = NULL; | |
2048 | ha->gid_list_dma = 0; | |
2049 | ||
2050 | ha->response_ring = NULL; | |
2051 | ha->response_dma = 0; | |
2052 | ha->request_ring = NULL; | |
2053 | ha->request_dma = 0; | |
2054 | ||
2055 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2056 | fcport = list_entry(fcpl, fc_port_t, list); | |
2057 | ||
1da177e4 LT |
2058 | /* fc ports */ |
2059 | list_del_init(&fcport->list); | |
2060 | kfree(fcport); | |
2061 | } | |
2062 | INIT_LIST_HEAD(&ha->fcports); | |
2063 | ||
2064 | if (ha->fw_dump) | |
2065 | free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order); | |
2066 | ||
fca29703 AV |
2067 | vfree(ha->fw_dump24); |
2068 | ||
2069 | vfree(ha->fw_dump_buffer); | |
1da177e4 LT |
2070 | |
2071 | ha->fw_dump = NULL; | |
fca29703 AV |
2072 | ha->fw_dump24 = NULL; |
2073 | ha->fw_dumped = 0; | |
1da177e4 LT |
2074 | ha->fw_dump_reading = 0; |
2075 | ha->fw_dump_buffer = NULL; | |
2076 | } | |
2077 | ||
2078 | /* | |
2079 | * qla2x00_allocate_sp_pool | |
2080 | * This routine is called during initialization to allocate | |
2081 | * memory for local srb_t. | |
2082 | * | |
2083 | * Input: | |
2084 | * ha = adapter block pointer. | |
2085 | * | |
2086 | * Context: | |
2087 | * Kernel context. | |
fa2a1ce5 | 2088 | * |
1da177e4 LT |
2089 | * Note: Sets the ref_count for non Null sp to one. |
2090 | */ | |
2091 | static int | |
fa2a1ce5 | 2092 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2093 | { |
2094 | int rval; | |
2095 | ||
2096 | rval = QLA_SUCCESS; | |
2097 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2098 | mempool_free_slab, srb_cachep); | |
2099 | if (ha->srb_mempool == NULL) { | |
2100 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2101 | rval = QLA_FUNCTION_FAILED; | |
2102 | } | |
2103 | return (rval); | |
2104 | } | |
2105 | ||
2106 | /* | |
2107 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2108 | * |
1da177e4 LT |
2109 | */ |
2110 | static void | |
fa2a1ce5 | 2111 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2112 | { |
2113 | if (ha->srb_mempool) { | |
2114 | mempool_destroy(ha->srb_mempool); | |
2115 | ha->srb_mempool = NULL; | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | /************************************************************************** | |
2120 | * qla2x00_do_dpc | |
2121 | * This kernel thread is a task that is schedule by the interrupt handler | |
2122 | * to perform the background processing for interrupts. | |
2123 | * | |
2124 | * Notes: | |
2125 | * This task always run in the context of a kernel thread. It | |
2126 | * is kick-off by the driver's detect code and starts up | |
2127 | * up one per adapter. It immediately goes to sleep and waits for | |
2128 | * some fibre event. When either the interrupt handler or | |
2129 | * the timer routine detects a event it will one of the task | |
2130 | * bits then wake us up. | |
2131 | **************************************************************************/ | |
2132 | static int | |
2133 | qla2x00_do_dpc(void *data) | |
2134 | { | |
2135 | DECLARE_MUTEX_LOCKED(sem); | |
2136 | scsi_qla_host_t *ha; | |
2137 | fc_port_t *fcport; | |
1da177e4 | 2138 | uint8_t status; |
1da177e4 | 2139 | uint16_t next_loopid; |
1da177e4 LT |
2140 | |
2141 | ha = (scsi_qla_host_t *)data; | |
2142 | ||
2143 | lock_kernel(); | |
2144 | ||
2145 | daemonize("%s_dpc", ha->host_str); | |
2146 | allow_signal(SIGHUP); | |
2147 | ||
2148 | ha->dpc_wait = &sem; | |
2149 | ||
2150 | set_user_nice(current, -20); | |
2151 | ||
2152 | unlock_kernel(); | |
2153 | ||
2154 | complete(&ha->dpc_inited); | |
2155 | ||
2156 | while (1) { | |
2157 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); | |
2158 | ||
2159 | if (down_interruptible(&sem)) | |
2160 | break; | |
2161 | ||
2162 | if (ha->dpc_should_die) | |
2163 | break; | |
2164 | ||
2165 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2166 | ||
2167 | /* Initialization not yet finished. Don't do anything yet. */ | |
2168 | if (!ha->flags.init_done || ha->dpc_active) | |
2169 | continue; | |
2170 | ||
2171 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2172 | ||
2173 | ha->dpc_active = 1; | |
2174 | ||
1da177e4 | 2175 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2176 | ha->dpc_active = 0; |
2177 | continue; | |
2178 | } | |
2179 | ||
2180 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2181 | ||
2182 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2183 | "qla2x00_abort_isp ha = %p\n", | |
2184 | ha->host_no, ha)); | |
2185 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2186 | &ha->dpc_flags))) { | |
2187 | ||
2188 | if (qla2x00_abort_isp(ha)) { | |
2189 | /* failed. retry later */ | |
2190 | set_bit(ISP_ABORT_NEEDED, | |
2191 | &ha->dpc_flags); | |
2192 | } | |
2193 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2194 | } | |
2195 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2196 | ha->host_no)); | |
2197 | } | |
2198 | ||
d97994dc AV |
2199 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2200 | qla2x00_update_fcports(ha); | |
2201 | ||
91ca7b01 AV |
2202 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2203 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2204 | ha->host_no)); | |
2205 | qla2x00_loop_reset(ha); | |
2206 | } | |
2207 | ||
1da177e4 LT |
2208 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2209 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2210 | ||
2211 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2212 | ha->host_no)); | |
2213 | ||
2214 | qla2x00_rst_aen(ha); | |
2215 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2216 | } | |
2217 | ||
2218 | /* Retry each device up to login retry count */ | |
2219 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2220 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2221 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2222 | ||
2223 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2224 | ha->host_no)); | |
2225 | ||
2226 | next_loopid = 0; | |
2227 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2228 | if (fcport->port_type != FCT_TARGET) | |
2229 | continue; | |
2230 | ||
2231 | /* | |
2232 | * If the port is not ONLINE then try to login | |
2233 | * to it if we haven't run out of retries. | |
2234 | */ | |
2235 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2236 | fcport->login_retry) { | |
2237 | ||
2238 | fcport->login_retry--; | |
2239 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2240 | if (fcport->flags & | |
2241 | FCF_TAPE_PRESENT) | |
abbd8870 | 2242 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2243 | ha, fcport->loop_id, |
2244 | fcport->d_id.b.domain, | |
2245 | fcport->d_id.b.area, | |
2246 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2247 | status = qla2x00_fabric_login( |
2248 | ha, fcport, &next_loopid); | |
2249 | } else | |
2250 | status = | |
2251 | qla2x00_local_device_login( | |
2252 | ha, fcport->loop_id); | |
2253 | ||
2254 | if (status == QLA_SUCCESS) { | |
2255 | fcport->old_loop_id = fcport->loop_id; | |
2256 | ||
2257 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2258 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2259 | |
052c40c8 AV |
2260 | qla2x00_update_fcport(ha, |
2261 | fcport); | |
1da177e4 LT |
2262 | } else if (status == 1) { |
2263 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2264 | /* retry the login again */ | |
2265 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2266 | ha->host_no, | |
2267 | fcport->login_retry, fcport->loop_id)); | |
2268 | } else { | |
2269 | fcport->login_retry = 0; | |
2270 | } | |
2271 | } | |
2272 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2273 | break; | |
2274 | } | |
2275 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2276 | ha->host_no)); | |
2277 | } | |
2278 | ||
2279 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2280 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2281 | ||
2282 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2283 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2284 | ha->host_no)); | |
fa2a1ce5 | 2285 | |
1da177e4 LT |
2286 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2287 | ||
2288 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2289 | ha->host_no)); | |
2290 | } | |
2291 | ||
2292 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2293 | ||
2294 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2295 | ha->host_no)); | |
2296 | ||
2297 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2298 | &ha->dpc_flags))) { | |
2299 | ||
2300 | qla2x00_loop_resync(ha); | |
2301 | ||
2302 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2303 | } | |
2304 | ||
2305 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2306 | ha->host_no)); | |
2307 | } | |
2308 | ||
1da177e4 LT |
2309 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2310 | ||
2311 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2312 | ha->host_no)); | |
2313 | ||
2314 | qla2x00_rescan_fcports(ha); | |
2315 | ||
2316 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2317 | "end.\n", | |
2318 | ha->host_no)); | |
2319 | } | |
2320 | ||
1da177e4 | 2321 | if (!ha->interrupts_on) |
abbd8870 | 2322 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2323 | |
f6df144c AV |
2324 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
2325 | ha->isp_ops.beacon_blink(ha); | |
2326 | ||
1da177e4 LT |
2327 | ha->dpc_active = 0; |
2328 | } /* End of while(1) */ | |
2329 | ||
2330 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2331 | ||
2332 | /* | |
2333 | * Make sure that nobody tries to wake us up again. | |
2334 | */ | |
2335 | ha->dpc_wait = NULL; | |
2336 | ha->dpc_active = 0; | |
2337 | ||
2338 | complete_and_exit(&ha->dpc_exited, 0); | |
2339 | } | |
2340 | ||
1da177e4 LT |
2341 | /* |
2342 | * qla2x00_rst_aen | |
2343 | * Processes asynchronous reset. | |
2344 | * | |
2345 | * Input: | |
2346 | * ha = adapter block pointer. | |
2347 | */ | |
2348 | static void | |
fa2a1ce5 | 2349 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2350 | { |
2351 | if (ha->flags.online && !ha->flags.reset_active && | |
2352 | !atomic_read(&ha->loop_down_timer) && | |
2353 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2354 | do { | |
2355 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2356 | ||
2357 | /* | |
2358 | * Issue marker command only when we are going to start | |
2359 | * the I/O. | |
2360 | */ | |
2361 | ha->marker_needed = 1; | |
2362 | } while (!atomic_read(&ha->loop_down_timer) && | |
2363 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2364 | } | |
2365 | } | |
2366 | ||
f4f051eb AV |
2367 | static void |
2368 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2369 | { | |
2370 | struct scsi_cmnd *cmd = sp->cmd; | |
2371 | ||
2372 | if (sp->flags & SRB_DMA_VALID) { | |
2373 | if (cmd->use_sg) { | |
2374 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2375 | cmd->use_sg, cmd->sc_data_direction); | |
2376 | } else if (cmd->request_bufflen) { | |
2377 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2378 | cmd->request_bufflen, cmd->sc_data_direction); | |
2379 | } | |
2380 | sp->flags &= ~SRB_DMA_VALID; | |
2381 | } | |
fca29703 | 2382 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2383 | } |
2384 | ||
2385 | void | |
2386 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2387 | { | |
2388 | struct scsi_cmnd *cmd = sp->cmd; | |
2389 | ||
2390 | qla2x00_sp_free_dma(ha, sp); | |
2391 | ||
f4f051eb AV |
2392 | mempool_free(sp, ha->srb_mempool); |
2393 | ||
2394 | cmd->scsi_done(cmd); | |
2395 | } | |
bdf79621 | 2396 | |
1da177e4 LT |
2397 | /************************************************************************** |
2398 | * qla2x00_timer | |
2399 | * | |
2400 | * Description: | |
2401 | * One second timer | |
2402 | * | |
2403 | * Context: Interrupt | |
2404 | ***************************************************************************/ | |
2405 | static void | |
2406 | qla2x00_timer(scsi_qla_host_t *ha) | |
2407 | { | |
1da177e4 LT |
2408 | unsigned long cpu_flags = 0; |
2409 | fc_port_t *fcport; | |
1da177e4 LT |
2410 | int start_dpc = 0; |
2411 | int index; | |
2412 | srb_t *sp; | |
f4f051eb | 2413 | int t; |
1da177e4 LT |
2414 | |
2415 | /* | |
2416 | * Ports - Port down timer. | |
2417 | * | |
2418 | * Whenever, a port is in the LOST state we start decrementing its port | |
2419 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2420 | * the port it marked DEAD. |
1da177e4 LT |
2421 | */ |
2422 | t = 0; | |
2423 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2424 | if (fcport->port_type != FCT_TARGET) | |
2425 | continue; | |
2426 | ||
2427 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2428 | ||
2429 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2430 | continue; | |
2431 | ||
fa2a1ce5 | 2432 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2433 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2434 | |
1da177e4 | 2435 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2436 | "%d remaining\n", |
1da177e4 LT |
2437 | ha->host_no, |
2438 | t, atomic_read(&fcport->port_down_timer))); | |
2439 | } | |
2440 | t++; | |
2441 | } /* End of for fcport */ | |
2442 | ||
1da177e4 LT |
2443 | |
2444 | /* Loop down handler. */ | |
2445 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2446 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2447 | ||
2448 | if (atomic_read(&ha->loop_down_timer) == | |
2449 | ha->loop_down_abort_time) { | |
2450 | ||
2451 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2452 | "queues before time expire\n", | |
2453 | ha->host_no)); | |
2454 | ||
2455 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2456 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2457 | |
2458 | /* Schedule an ISP abort to return any tape commands. */ | |
2459 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2460 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2461 | index++) { | |
bdf79621 AV |
2462 | fc_port_t *sfcp; |
2463 | ||
1da177e4 LT |
2464 | sp = ha->outstanding_cmds[index]; |
2465 | if (!sp) | |
2466 | continue; | |
bdf79621 AV |
2467 | sfcp = sp->fcport; |
2468 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2469 | continue; |
2470 | ||
2471 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2472 | break; | |
2473 | } | |
2474 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2475 | ||
2476 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2477 | start_dpc++; | |
2478 | } | |
2479 | ||
2480 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2481 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2482 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2483 | "restarting queues.\n", | |
2484 | ha->host_no)); | |
2485 | ||
2486 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2487 | start_dpc++; | |
2488 | ||
2489 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2490 | DEBUG(printk("scsi(%ld): Loop down - " | |
2491 | "aborting ISP.\n", | |
2492 | ha->host_no)); | |
2493 | qla_printk(KERN_WARNING, ha, | |
2494 | "Loop down - aborting ISP.\n"); | |
2495 | ||
2496 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2497 | } | |
2498 | } | |
fca29703 | 2499 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2500 | ha->host_no, |
2501 | atomic_read(&ha->loop_down_timer))); | |
2502 | } | |
2503 | ||
f6df144c AV |
2504 | /* Check if beacon LED needs to be blinked */ |
2505 | if (ha->beacon_blink_led == 1) { | |
2506 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2507 | start_dpc++; | |
2508 | } | |
2509 | ||
1da177e4 LT |
2510 | /* Schedule the DPC routine if needed */ |
2511 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2512 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2513 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2514 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2515 | start_dpc || |
2516 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2517 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2518 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2519 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
2520 | ha->dpc_wait && !ha->dpc_active) { | |
2521 | ||
2522 | up(ha->dpc_wait); | |
2523 | } | |
2524 | ||
2525 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2526 | } | |
2527 | ||
1da177e4 LT |
2528 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2529 | int | |
2530 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2531 | { | |
fe74c71f AV |
2532 | const unsigned int step = 100; /* msecs */ |
2533 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2534 | |
2535 | do { | |
2536 | if (!down_trylock(sema)) | |
2537 | return 0; | |
fe74c71f | 2538 | if (msleep_interruptible(step)) |
1da177e4 | 2539 | break; |
fe74c71f | 2540 | } while (--iterations >= 0); |
1da177e4 LT |
2541 | |
2542 | return -ETIMEDOUT; | |
2543 | } | |
2544 | ||
5433383e AV |
2545 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
2546 | ||
2547 | #define qla2x00_release_firmware() do { } while (0) | |
331e3476 AV |
2548 | #define qla2x00_pci_module_init() (0) |
2549 | #define qla2x00_pci_module_exit() do { } while (0) | |
fca29703 | 2550 | |
5433383e AV |
2551 | #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */ |
2552 | ||
2553 | /* Firmware interface routines. */ | |
2554 | ||
2555 | #define FW_BLOBS 6 | |
2556 | #define FW_ISP21XX 0 | |
2557 | #define FW_ISP22XX 1 | |
2558 | #define FW_ISP2300 2 | |
2559 | #define FW_ISP2322 3 | |
2560 | #define FW_ISP63XX 4 | |
2561 | #define FW_ISP24XX 5 | |
2562 | ||
2563 | static DECLARE_MUTEX(qla_fw_lock); | |
2564 | ||
2565 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
2566 | { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, }, | |
2567 | { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, }, | |
2568 | { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, }, | |
2569 | { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2570 | { .name = "ql6312_fw.bin", .segs = { 0x800, 0 }, }, | |
2571 | { .name = "ql2400_fw.bin", }, | |
2572 | }; | |
2573 | ||
2574 | struct fw_blob * | |
2575 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2576 | { | |
2577 | struct fw_blob *blob; | |
2578 | ||
2579 | blob = NULL; | |
2580 | if (IS_QLA2100(ha)) { | |
2581 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2582 | } else if (IS_QLA2200(ha)) { | |
2583 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
2584 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha)) { | |
2585 | blob = &qla_fw_blobs[FW_ISP2300]; | |
2586 | } else if (IS_QLA2322(ha)) { | |
2587 | blob = &qla_fw_blobs[FW_ISP2322]; | |
2588 | } else if (IS_QLA6312(ha) || IS_QLA6322(ha)) { | |
2589 | blob = &qla_fw_blobs[FW_ISP63XX]; | |
2590 | } else if (IS_QLA24XX(ha)) { | |
2591 | blob = &qla_fw_blobs[FW_ISP24XX]; | |
2592 | } | |
2593 | ||
2594 | down(&qla_fw_lock); | |
2595 | if (blob->fw) | |
2596 | goto out; | |
2597 | ||
2598 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2599 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2600 | "(%s).\n", ha->host_no, blob->name)); | |
2601 | blob->fw = NULL; | |
2602 | blob = NULL; | |
2603 | goto out; | |
2604 | } | |
2605 | ||
2606 | out: | |
2607 | up(&qla_fw_lock); | |
2608 | return blob; | |
2609 | } | |
2610 | ||
2611 | static void | |
2612 | qla2x00_release_firmware(void) | |
2613 | { | |
2614 | int idx; | |
2615 | ||
2616 | down(&qla_fw_lock); | |
2617 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2618 | if (qla_fw_blobs[idx].fw) | |
2619 | release_firmware(qla_fw_blobs[idx].fw); | |
2620 | up(&qla_fw_lock); | |
2621 | } | |
2622 | ||
2623 | static struct qla_board_info qla_board_tbl = { | |
2624 | .drv_name = "qla2xxx", | |
2625 | }; | |
2626 | ||
2627 | static struct pci_device_id qla2xxx_pci_tbl[] = { | |
2628 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100, | |
2629 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2630 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200, | |
2631 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2632 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300, | |
2633 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2634 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312, | |
2635 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2636 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322, | |
2637 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2638 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312, | |
2639 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2640 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322, | |
2641 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2642 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422, | |
2643 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2644 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432, | |
2645 | PCI_ANY_ID, PCI_ANY_ID, }, | |
2646 | { 0 }, | |
2647 | }; | |
2648 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2649 | ||
2650 | static int __devinit | |
2651 | qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
2652 | { | |
2653 | return qla2x00_probe_one(pdev, &qla_board_tbl); | |
2654 | } | |
2655 | ||
2656 | static void __devexit | |
2657 | qla2xxx_remove_one(struct pci_dev *pdev) | |
2658 | { | |
2659 | qla2x00_remove_one(pdev); | |
2660 | } | |
2661 | ||
fca29703 AV |
2662 | static struct pci_driver qla2xxx_pci_driver = { |
2663 | .name = "qla2xxx", | |
0a21ef1e JB |
2664 | .driver = { |
2665 | .owner = THIS_MODULE, | |
2666 | }, | |
fca29703 AV |
2667 | .id_table = qla2xxx_pci_tbl, |
2668 | .probe = qla2xxx_probe_one, | |
2669 | .remove = __devexit_p(qla2xxx_remove_one), | |
2670 | }; | |
2671 | ||
331e3476 AV |
2672 | static inline int |
2673 | qla2x00_pci_module_init(void) | |
2674 | { | |
2675 | return pci_module_init(&qla2xxx_pci_driver); | |
2676 | } | |
2677 | ||
2678 | static inline void | |
2679 | qla2x00_pci_module_exit(void) | |
2680 | { | |
2681 | pci_unregister_driver(&qla2xxx_pci_driver); | |
2682 | } | |
2683 | ||
2684 | #endif | |
2685 | ||
1da177e4 LT |
2686 | /** |
2687 | * qla2x00_module_init - Module initialization. | |
2688 | **/ | |
2689 | static int __init | |
2690 | qla2x00_module_init(void) | |
2691 | { | |
fca29703 AV |
2692 | int ret = 0; |
2693 | ||
1da177e4 | 2694 | /* Allocate cache for SRBs. */ |
354d6b21 | 2695 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2696 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2697 | if (srb_cachep == NULL) { | |
2698 | printk(KERN_ERR | |
2699 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2700 | return -ENOMEM; | |
2701 | } | |
2702 | ||
2703 | /* Derive version string. */ | |
2704 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
5433383e AV |
2705 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
2706 | strcat(qla2x00_version_str, "-fw"); | |
2707 | #endif | |
1da177e4 LT |
2708 | #if DEBUG_QLA2100 |
2709 | strcat(qla2x00_version_str, "-debug"); | |
2710 | #endif | |
1c97a12a AV |
2711 | qla2xxx_transport_template = |
2712 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2713 | if (!qla2xxx_transport_template) |
2714 | return -ENODEV; | |
2715 | ||
2716 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
331e3476 | 2717 | ret = qla2x00_pci_module_init(); |
fca29703 AV |
2718 | if (ret) { |
2719 | kmem_cache_destroy(srb_cachep); | |
2720 | fc_release_transport(qla2xxx_transport_template); | |
2721 | } | |
2722 | return ret; | |
1da177e4 LT |
2723 | } |
2724 | ||
2725 | /** | |
2726 | * qla2x00_module_exit - Module cleanup. | |
2727 | **/ | |
2728 | static void __exit | |
2729 | qla2x00_module_exit(void) | |
2730 | { | |
331e3476 | 2731 | qla2x00_pci_module_exit(); |
5433383e | 2732 | qla2x00_release_firmware(); |
354d6b21 | 2733 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2734 | fc_release_transport(qla2xxx_transport_template); |
2735 | } | |
2736 | ||
2737 | module_init(qla2x00_module_init); | |
2738 | module_exit(qla2x00_module_exit); | |
2739 | ||
2740 | MODULE_AUTHOR("QLogic Corporation"); | |
2741 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2742 | MODULE_LICENSE("GPL"); | |
2743 | MODULE_VERSION(QLA2XXX_VERSION); |