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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f AV |
2 | * QLogic Fibre Channel HBA Driver |
3 | * Copyright (c) 2003-2005 QLogic Corporation | |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
9 | #include <linux/moduleparam.h> | |
10 | #include <linux/vmalloc.h> | |
1da177e4 | 11 | #include <linux/delay.h> |
39a11240 | 12 | #include <linux/kthread.h> |
1da177e4 LT |
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, | |
900d9f98 | 42 | "Maximum number of command retries to a port that returns " |
1da177e4 LT |
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 " | |
900d9f98 | 49 | "a Fabric scan. This is needed for several broken switches. " |
1da177e4 LT |
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 | ||
a7a167bf AV |
57 | int ql2xallocfwdump = 1; |
58 | module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); | |
59 | MODULE_PARM_DESC(ql2xallocfwdump, | |
60 | "Option to enable allocation of memory for a firmware dump " | |
61 | "during HBA initialization. Memory allocation requirements " | |
62 | "vary by ISP type. Default is 1 - allocate memory."); | |
63 | ||
0181944f AV |
64 | int extended_error_logging; |
65 | module_param(extended_error_logging, int, S_IRUGO|S_IRUSR); | |
66 | MODULE_PARM_DESC(extended_error_logging, | |
67 | "Option to enable extended error logging, " | |
68 | "Default is 0 - no logging. 1 - log errors."); | |
69 | ||
1da177e4 LT |
70 | static void qla2x00_free_device(scsi_qla_host_t *); |
71 | ||
72 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
73 | ||
cca5335c AV |
74 | int ql2xfdmienable; |
75 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); | |
76 | MODULE_PARM_DESC(ql2xfdmienable, | |
77 | "Enables FDMI registratons " | |
78 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
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, | |
cb63067a | 102 | .name = QLA2XXX_DRIVER_NAME, |
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, | |
cb63067a | 131 | .name = QLA2XXX_DRIVER_NAME, |
fca29703 AV |
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 | ||
fca29703 AV |
343 | sp->ha = ha; |
344 | sp->fcport = fcport; | |
345 | sp->cmd = cmd; | |
346 | sp->flags = 0; | |
347 | CMD_SP(cmd) = (void *)sp; | |
348 | cmd->scsi_done = done; | |
349 | ||
350 | return sp; | |
351 | } | |
352 | ||
1da177e4 | 353 | static int |
f4f051eb | 354 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 355 | { |
f4f051eb | 356 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 357 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 358 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb AV |
359 | srb_t *sp; |
360 | int rval; | |
1da177e4 | 361 | |
19a7b4ae JSEC |
362 | rval = fc_remote_port_chkready(rport); |
363 | if (rval) { | |
364 | cmd->result = rval; | |
f4f051eb AV |
365 | goto qc_fail_command; |
366 | } | |
1da177e4 | 367 | |
387f96b4 AV |
368 | /* Close window on fcport/rport state-transitioning. */ |
369 | if (!*(fc_port_t **)rport->dd_data) { | |
370 | cmd->result = DID_IMM_RETRY << 16; | |
371 | goto qc_fail_command; | |
372 | } | |
373 | ||
f4f051eb AV |
374 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
375 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
376 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
377 | cmd->result = DID_NO_CONNECT << 16; | |
378 | goto qc_fail_command; | |
379 | } | |
380 | goto qc_host_busy; | |
381 | } | |
1da177e4 LT |
382 | |
383 | spin_unlock_irq(ha->host->host_lock); | |
384 | ||
fca29703 AV |
385 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
386 | if (!sp) | |
f4f051eb | 387 | goto qc_host_busy_lock; |
1da177e4 | 388 | |
f4f051eb AV |
389 | rval = qla2x00_start_scsi(sp); |
390 | if (rval != QLA_SUCCESS) | |
391 | goto qc_host_busy_free_sp; | |
1da177e4 | 392 | |
f4f051eb | 393 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 394 | |
f4f051eb | 395 | return 0; |
1da177e4 | 396 | |
f4f051eb AV |
397 | qc_host_busy_free_sp: |
398 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 399 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 400 | |
f4f051eb AV |
401 | qc_host_busy_lock: |
402 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 403 | |
f4f051eb AV |
404 | qc_host_busy: |
405 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 406 | |
f4f051eb AV |
407 | qc_fail_command: |
408 | done(cmd); | |
1da177e4 | 409 | |
f4f051eb | 410 | return 0; |
1da177e4 LT |
411 | } |
412 | ||
fca29703 AV |
413 | |
414 | static int | |
415 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
416 | { | |
417 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
418 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
19a7b4ae | 419 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
420 | srb_t *sp; |
421 | int rval; | |
422 | ||
19a7b4ae JSEC |
423 | rval = fc_remote_port_chkready(rport); |
424 | if (rval) { | |
425 | cmd->result = rval; | |
fca29703 AV |
426 | goto qc24_fail_command; |
427 | } | |
428 | ||
387f96b4 AV |
429 | /* Close window on fcport/rport state-transitioning. */ |
430 | if (!*(fc_port_t **)rport->dd_data) { | |
431 | cmd->result = DID_IMM_RETRY << 16; | |
432 | goto qc24_fail_command; | |
433 | } | |
434 | ||
fca29703 AV |
435 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
436 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
437 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
438 | cmd->result = DID_NO_CONNECT << 16; | |
439 | goto qc24_fail_command; | |
440 | } | |
441 | goto qc24_host_busy; | |
442 | } | |
443 | ||
444 | spin_unlock_irq(ha->host->host_lock); | |
445 | ||
446 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
447 | if (!sp) | |
448 | goto qc24_host_busy_lock; | |
449 | ||
450 | rval = qla24xx_start_scsi(sp); | |
451 | if (rval != QLA_SUCCESS) | |
452 | goto qc24_host_busy_free_sp; | |
453 | ||
454 | spin_lock_irq(ha->host->host_lock); | |
455 | ||
456 | return 0; | |
457 | ||
458 | qc24_host_busy_free_sp: | |
459 | qla2x00_sp_free_dma(ha, sp); | |
460 | mempool_free(sp, ha->srb_mempool); | |
461 | ||
462 | qc24_host_busy_lock: | |
463 | spin_lock_irq(ha->host->host_lock); | |
464 | ||
465 | qc24_host_busy: | |
466 | return SCSI_MLQUEUE_HOST_BUSY; | |
467 | ||
468 | qc24_fail_command: | |
469 | done(cmd); | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | ||
1da177e4 LT |
475 | /* |
476 | * qla2x00_eh_wait_on_command | |
477 | * Waits for the command to be returned by the Firmware for some | |
478 | * max time. | |
479 | * | |
480 | * Input: | |
481 | * ha = actual ha whose done queue will contain the command | |
482 | * returned by firmware. | |
483 | * cmd = Scsi Command to wait on. | |
484 | * flag = Abort/Reset(Bus or Device Reset) | |
485 | * | |
486 | * Return: | |
487 | * Not Found : 0 | |
488 | * Found : 1 | |
489 | */ | |
490 | static int | |
491 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
492 | { | |
fe74c71f AV |
493 | #define ABORT_POLLING_PERIOD 1000 |
494 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
495 | unsigned long wait_iter = ABORT_WAIT_ITER; |
496 | int ret = QLA_SUCCESS; | |
1da177e4 | 497 | |
f4f051eb | 498 | while (CMD_SP(cmd)) { |
fe74c71f | 499 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 500 | |
f4f051eb AV |
501 | if (--wait_iter) |
502 | break; | |
503 | } | |
504 | if (CMD_SP(cmd)) | |
505 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 506 | |
f4f051eb | 507 | return ret; |
1da177e4 LT |
508 | } |
509 | ||
510 | /* | |
511 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 512 | * Wait till the HBA is online after going through |
1da177e4 LT |
513 | * <= MAX_RETRIES_OF_ISP_ABORT or |
514 | * finally HBA is disabled ie marked offline | |
515 | * | |
516 | * Input: | |
517 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
518 | * |
519 | * Note: | |
1da177e4 LT |
520 | * Does context switching-Release SPIN_LOCK |
521 | * (if any) before calling this routine. | |
522 | * | |
523 | * Return: | |
524 | * Success (Adapter is online) : 0 | |
525 | * Failed (Adapter is offline/disabled) : 1 | |
526 | */ | |
854165f4 | 527 | int |
1da177e4 LT |
528 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
529 | { | |
fca29703 AV |
530 | int return_status; |
531 | unsigned long wait_online; | |
1da177e4 | 532 | |
fa2a1ce5 | 533 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
534 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
535 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
536 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
537 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
538 | ||
539 | msleep(1000); | |
540 | } | |
fa2a1ce5 AV |
541 | if (ha->flags.online) |
542 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
543 | else |
544 | return_status = QLA_FUNCTION_FAILED; | |
545 | ||
546 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
547 | ||
548 | return (return_status); | |
549 | } | |
550 | ||
551 | /* | |
552 | * qla2x00_wait_for_loop_ready | |
553 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 554 | * to be in LOOP_READY state. |
1da177e4 LT |
555 | * Input: |
556 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
557 | * |
558 | * Note: | |
1da177e4 LT |
559 | * Does context switching-Release SPIN_LOCK |
560 | * (if any) before calling this routine. | |
fa2a1ce5 | 561 | * |
1da177e4 LT |
562 | * |
563 | * Return: | |
564 | * Success (LOOP_READY) : 0 | |
565 | * Failed (LOOP_NOT_READY) : 1 | |
566 | */ | |
fa2a1ce5 | 567 | static inline int |
1da177e4 LT |
568 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
569 | { | |
570 | int return_status = QLA_SUCCESS; | |
571 | unsigned long loop_timeout ; | |
572 | ||
573 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 574 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
575 | |
576 | while ((!atomic_read(&ha->loop_down_timer) && | |
577 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 | 578 | atomic_read(&ha->loop_state) != LOOP_READY) { |
57680080 RA |
579 | if (atomic_read(&ha->loop_state) == LOOP_DEAD) { |
580 | return_status = QLA_FUNCTION_FAILED; | |
581 | break; | |
582 | } | |
1da177e4 LT |
583 | msleep(1000); |
584 | if (time_after_eq(jiffies, loop_timeout)) { | |
585 | return_status = QLA_FUNCTION_FAILED; | |
586 | break; | |
587 | } | |
588 | } | |
fa2a1ce5 | 589 | return (return_status); |
1da177e4 LT |
590 | } |
591 | ||
592 | /************************************************************************** | |
593 | * qla2xxx_eh_abort | |
594 | * | |
595 | * Description: | |
596 | * The abort function will abort the specified command. | |
597 | * | |
598 | * Input: | |
599 | * cmd = Linux SCSI command packet to be aborted. | |
600 | * | |
601 | * Returns: | |
602 | * Either SUCCESS or FAILED. | |
603 | * | |
604 | * Note: | |
2ea00202 | 605 | * Only return FAILED if command not returned by firmware. |
1da177e4 LT |
606 | **************************************************************************/ |
607 | int | |
608 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | |
609 | { | |
f4f051eb AV |
610 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
611 | srb_t *sp; | |
612 | int ret, i; | |
613 | unsigned int id, lun; | |
614 | unsigned long serial; | |
18e144d3 | 615 | unsigned long flags; |
2ea00202 | 616 | int wait = 0; |
1da177e4 | 617 | |
f4f051eb | 618 | if (!CMD_SP(cmd)) |
2ea00202 | 619 | return SUCCESS; |
1da177e4 | 620 | |
2ea00202 | 621 | ret = SUCCESS; |
1da177e4 | 622 | |
f4f051eb AV |
623 | id = cmd->device->id; |
624 | lun = cmd->device->lun; | |
625 | serial = cmd->serial_number; | |
1da177e4 | 626 | |
f4f051eb | 627 | /* Check active list for command command. */ |
18e144d3 | 628 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb AV |
629 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
630 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 631 | |
f4f051eb AV |
632 | if (sp == NULL) |
633 | continue; | |
1da177e4 | 634 | |
f4f051eb AV |
635 | if (sp->cmd != cmd) |
636 | continue; | |
1da177e4 | 637 | |
75bc4190 AV |
638 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
639 | __func__, ha->host_no, sp, serial)); | |
744f11fd | 640 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
1da177e4 | 641 | |
18e144d3 | 642 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 643 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
644 | DEBUG2(printk("%s(%ld): abort_command " |
645 | "mbx failed.\n", __func__, ha->host_no)); | |
646 | } else { | |
647 | DEBUG3(printk("%s(%ld): abort_command " | |
648 | "mbx success.\n", __func__, ha->host_no)); | |
2ea00202 | 649 | wait = 1; |
f4f051eb | 650 | } |
18e144d3 | 651 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 652 | |
f4f051eb AV |
653 | break; |
654 | } | |
18e144d3 | 655 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 656 | |
f4f051eb | 657 | /* Wait for the command to be returned. */ |
2ea00202 | 658 | if (wait) { |
f4f051eb | 659 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 660 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
661 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
662 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
2ea00202 | 663 | ret = FAILED; |
f4f051eb | 664 | } |
1da177e4 | 665 | } |
1da177e4 | 666 | |
fa2a1ce5 | 667 | qla_printk(KERN_INFO, ha, |
2ea00202 MR |
668 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
669 | ha->host_no, id, lun, wait, serial, ret); | |
1da177e4 | 670 | |
f4f051eb AV |
671 | return ret; |
672 | } | |
1da177e4 | 673 | |
f4f051eb AV |
674 | /************************************************************************** |
675 | * qla2x00_eh_wait_for_pending_target_commands | |
676 | * | |
677 | * Description: | |
678 | * Waits for all the commands to come back from the specified target. | |
679 | * | |
680 | * Input: | |
681 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 682 | * t - target |
f4f051eb AV |
683 | * Returns: |
684 | * Either SUCCESS or FAILED. | |
685 | * | |
686 | * Note: | |
687 | **************************************************************************/ | |
688 | static int | |
689 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
690 | { | |
691 | int cnt; | |
692 | int status; | |
693 | srb_t *sp; | |
694 | struct scsi_cmnd *cmd; | |
18e144d3 | 695 | unsigned long flags; |
1da177e4 | 696 | |
f4f051eb | 697 | status = 0; |
1da177e4 LT |
698 | |
699 | /* | |
f4f051eb AV |
700 | * Waiting for all commands for the designated target in the active |
701 | * array | |
1da177e4 LT |
702 | */ |
703 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 704 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
705 | sp = ha->outstanding_cmds[cnt]; |
706 | if (sp) { | |
707 | cmd = sp->cmd; | |
18e144d3 | 708 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
709 | if (cmd->device->id == t) { |
710 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
711 | status = 1; | |
712 | break; | |
713 | } | |
714 | } | |
f4f051eb | 715 | } else { |
18e144d3 | 716 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
717 | } |
718 | } | |
719 | return (status); | |
720 | } | |
721 | ||
722 | ||
723 | /************************************************************************** | |
724 | * qla2xxx_eh_device_reset | |
725 | * | |
726 | * Description: | |
727 | * The device reset function will reset the target and abort any | |
728 | * executing commands. | |
729 | * | |
730 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 731 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
732 | * non-null. |
733 | * | |
734 | * Input: | |
735 | * cmd = Linux SCSI command packet of the command that cause the | |
736 | * bus device reset. | |
737 | * | |
738 | * Returns: | |
739 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
740 | * | |
741 | **************************************************************************/ | |
742 | int | |
743 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
744 | { | |
f4f051eb | 745 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 746 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
747 | int ret; |
748 | unsigned int id, lun; | |
749 | unsigned long serial; | |
1da177e4 | 750 | |
f4f051eb | 751 | ret = FAILED; |
1da177e4 | 752 | |
f4f051eb AV |
753 | id = cmd->device->id; |
754 | lun = cmd->device->lun; | |
755 | serial = cmd->serial_number; | |
1da177e4 | 756 | |
b0328bee | 757 | if (!fcport) |
f4f051eb | 758 | return ret; |
1da177e4 LT |
759 | |
760 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 761 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 762 | |
94d0e7b8 | 763 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 764 | goto eh_dev_reset_done; |
1da177e4 LT |
765 | |
766 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
767 | if (qla2x00_device_reset(ha, fcport) == 0) |
768 | ret = SUCCESS; | |
1da177e4 LT |
769 | |
770 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
771 | if (ret == SUCCESS) { |
772 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 773 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
d97994dc | 774 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
775 | } |
776 | } | |
777 | #endif | |
778 | } else { | |
779 | DEBUG2(printk(KERN_INFO | |
744f11fd | 780 | "%s failed: loop not ready\n",__func__)); |
1da177e4 LT |
781 | } |
782 | ||
f4f051eb | 783 | if (ret == FAILED) { |
1da177e4 LT |
784 | DEBUG3(printk("%s(%ld): device reset failed\n", |
785 | __func__, ha->host_no)); | |
786 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
787 | __func__); | |
788 | ||
789 | goto eh_dev_reset_done; | |
790 | } | |
791 | ||
9a41a62b AV |
792 | /* Flush outstanding commands. */ |
793 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
794 | ret = FAILED; | |
795 | if (ret == FAILED) { | |
796 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
797 | __func__, ha->host_no)); | |
798 | qla_printk(KERN_INFO, ha, | |
799 | "%s: failed while waiting for commands\n", __func__); | |
800 | } else | |
801 | qla_printk(KERN_INFO, ha, | |
802 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
803 | id, lun); | |
28f22b03 | 804 | eh_dev_reset_done: |
f4f051eb | 805 | return ret; |
1da177e4 LT |
806 | } |
807 | ||
808 | /************************************************************************** | |
809 | * qla2x00_eh_wait_for_pending_commands | |
810 | * | |
811 | * Description: | |
812 | * Waits for all the commands to come back from the specified host. | |
813 | * | |
814 | * Input: | |
815 | * ha - pointer to scsi_qla_host structure. | |
816 | * | |
817 | * Returns: | |
818 | * 1 : SUCCESS | |
819 | * 0 : FAILED | |
820 | * | |
821 | * Note: | |
822 | **************************************************************************/ | |
823 | static int | |
824 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
825 | { | |
826 | int cnt; | |
827 | int status; | |
828 | srb_t *sp; | |
829 | struct scsi_cmnd *cmd; | |
18e144d3 | 830 | unsigned long flags; |
1da177e4 LT |
831 | |
832 | status = 1; | |
833 | ||
834 | /* | |
835 | * Waiting for all commands for the designated target in the active | |
836 | * array | |
837 | */ | |
838 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 839 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
840 | sp = ha->outstanding_cmds[cnt]; |
841 | if (sp) { | |
842 | cmd = sp->cmd; | |
18e144d3 | 843 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
844 | status = qla2x00_eh_wait_on_command(ha, cmd); |
845 | if (status == 0) | |
846 | break; | |
847 | } | |
848 | else { | |
18e144d3 | 849 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
850 | } |
851 | } | |
852 | return (status); | |
853 | } | |
854 | ||
855 | ||
856 | /************************************************************************** | |
857 | * qla2xxx_eh_bus_reset | |
858 | * | |
859 | * Description: | |
860 | * The bus reset function will reset the bus and abort any executing | |
861 | * commands. | |
862 | * | |
863 | * Input: | |
864 | * cmd = Linux SCSI command packet of the command that cause the | |
865 | * bus reset. | |
866 | * | |
867 | * Returns: | |
868 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
869 | * | |
870 | **************************************************************************/ | |
871 | int | |
872 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | |
873 | { | |
f4f051eb | 874 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 875 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
876 | int ret; |
877 | unsigned int id, lun; | |
878 | unsigned long serial; | |
879 | ||
880 | ret = FAILED; | |
881 | ||
882 | id = cmd->device->id; | |
883 | lun = cmd->device->lun; | |
884 | serial = cmd->serial_number; | |
1da177e4 | 885 | |
b0328bee | 886 | if (!fcport) |
f4f051eb | 887 | return ret; |
1da177e4 LT |
888 | |
889 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 890 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 891 | |
1da177e4 LT |
892 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
893 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 894 | goto eh_bus_reset_done; |
1da177e4 LT |
895 | } |
896 | ||
897 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
898 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
899 | ret = SUCCESS; | |
1da177e4 | 900 | } |
f4f051eb AV |
901 | if (ret == FAILED) |
902 | goto eh_bus_reset_done; | |
1da177e4 | 903 | |
9a41a62b AV |
904 | /* Flush outstanding commands. */ |
905 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
906 | ret = FAILED; | |
1da177e4 | 907 | |
f4f051eb | 908 | eh_bus_reset_done: |
1da177e4 | 909 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 910 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 911 | |
f4f051eb | 912 | return ret; |
1da177e4 LT |
913 | } |
914 | ||
915 | /************************************************************************** | |
916 | * qla2xxx_eh_host_reset | |
917 | * | |
918 | * Description: | |
919 | * The reset function will reset the Adapter. | |
920 | * | |
921 | * Input: | |
922 | * cmd = Linux SCSI command packet of the command that cause the | |
923 | * adapter reset. | |
924 | * | |
925 | * Returns: | |
926 | * Either SUCCESS or FAILED. | |
927 | * | |
928 | * Note: | |
929 | **************************************************************************/ | |
930 | int | |
931 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
932 | { | |
f4f051eb | 933 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 934 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
935 | int ret; |
936 | unsigned int id, lun; | |
937 | unsigned long serial; | |
1da177e4 | 938 | |
f4f051eb AV |
939 | ret = FAILED; |
940 | ||
941 | id = cmd->device->id; | |
942 | lun = cmd->device->lun; | |
943 | serial = cmd->serial_number; | |
944 | ||
b0328bee | 945 | if (!fcport) |
f4f051eb | 946 | return ret; |
1da177e4 | 947 | |
1da177e4 | 948 | qla_printk(KERN_INFO, ha, |
f4f051eb | 949 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 950 | |
1da177e4 | 951 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 952 | goto eh_host_reset_lock; |
1da177e4 LT |
953 | |
954 | /* | |
955 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 956 | * loop_resync,so wait a while for it to |
1da177e4 LT |
957 | * be completed and then issue big hammer.Otherwise |
958 | * it may cause I/O failure as big hammer marks the | |
959 | * devices as lost kicking of the port_down_timer | |
960 | * while dpc is stuck for the mailbox to complete. | |
961 | */ | |
1da177e4 LT |
962 | qla2x00_wait_for_loop_ready(ha); |
963 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
964 | if (qla2x00_abort_isp(ha)) { | |
965 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
966 | /* failed. schedule dpc to try */ | |
967 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
968 | ||
969 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 970 | goto eh_host_reset_lock; |
fa2a1ce5 | 971 | } |
1da177e4 LT |
972 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
973 | ||
1da177e4 | 974 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb AV |
975 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
976 | ret = SUCCESS; | |
1da177e4 | 977 | |
f4f051eb | 978 | eh_host_reset_lock: |
f4f051eb AV |
979 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
980 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 981 | |
f4f051eb AV |
982 | return ret; |
983 | } | |
1da177e4 LT |
984 | |
985 | /* | |
986 | * qla2x00_loop_reset | |
987 | * Issue loop reset. | |
988 | * | |
989 | * Input: | |
990 | * ha = adapter block pointer. | |
991 | * | |
992 | * Returns: | |
993 | * 0 = success | |
994 | */ | |
995 | static int | |
996 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
997 | { | |
998 | int status = QLA_SUCCESS; | |
bdf79621 | 999 | struct fc_port *fcport; |
1da177e4 LT |
1000 | |
1001 | if (ha->flags.enable_lip_reset) { | |
1002 | status = qla2x00_lip_reset(ha); | |
1003 | } | |
1004 | ||
1005 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 AV |
1006 | list_for_each_entry(fcport, &ha->fcports, list) { |
1007 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1008 | continue; |
1009 | ||
c00c72ae | 1010 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 1011 | if (status != QLA_SUCCESS) |
1da177e4 | 1012 | break; |
1da177e4 LT |
1013 | } |
1014 | } | |
1015 | ||
1016 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 1017 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
1018 | !ha->flags.enable_lip_reset) || |
1019 | ha->flags.enable_lip_full_login)) { | |
1020 | ||
1021 | status = qla2x00_full_login_lip(ha); | |
1022 | } | |
1023 | ||
1024 | /* Issue marker command only when we are going to start the I/O */ | |
1025 | ha->marker_needed = 1; | |
1026 | ||
1027 | if (status) { | |
1028 | /* Empty */ | |
1029 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1030 | __func__, | |
744f11fd | 1031 | ha->host_no)); |
1da177e4 LT |
1032 | } else { |
1033 | /* Empty */ | |
1034 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1035 | __func__, | |
744f11fd | 1036 | ha->host_no)); |
1da177e4 LT |
1037 | } |
1038 | ||
1039 | return(status); | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * qla2x00_device_reset | |
1044 | * Issue bus device reset message to the target. | |
1045 | * | |
1046 | * Input: | |
1047 | * ha = adapter block pointer. | |
1048 | * t = SCSI ID. | |
1049 | * TARGET_QUEUE_LOCK must be released. | |
1050 | * ADAPTER_STATE_LOCK must be released. | |
1051 | * | |
1052 | * Context: | |
1053 | * Kernel context. | |
1054 | */ | |
1055 | static int | |
1056 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1057 | { | |
1058 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1059 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1060 | } |
1061 | ||
f4f051eb AV |
1062 | static int |
1063 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1064 | { |
bdf79621 | 1065 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1066 | |
19a7b4ae | 1067 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1068 | return -ENXIO; |
bdf79621 | 1069 | |
19a7b4ae | 1070 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1071 | |
f4f051eb AV |
1072 | return 0; |
1073 | } | |
1da177e4 | 1074 | |
f4f051eb AV |
1075 | static int |
1076 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1077 | { | |
8482e118 AV |
1078 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1079 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1080 | ||
f4f051eb AV |
1081 | if (sdev->tagged_supported) |
1082 | scsi_activate_tcq(sdev, 32); | |
1083 | else | |
1084 | scsi_deactivate_tcq(sdev, 32); | |
1da177e4 | 1085 | |
8482e118 AV |
1086 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1087 | ||
f4f051eb AV |
1088 | return 0; |
1089 | } | |
1da177e4 | 1090 | |
f4f051eb AV |
1091 | static void |
1092 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1093 | { | |
1094 | sdev->hostdata = NULL; | |
1da177e4 LT |
1095 | } |
1096 | ||
ce7e4af7 AV |
1097 | static int |
1098 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1099 | { | |
1100 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1101 | return sdev->queue_depth; | |
1102 | } | |
1103 | ||
1104 | static int | |
1105 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1106 | { | |
1107 | if (sdev->tagged_supported) { | |
1108 | scsi_set_tag_type(sdev, tag_type); | |
1109 | if (tag_type) | |
1110 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1111 | else | |
1112 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1113 | } else | |
1114 | tag_type = 0; | |
1115 | ||
1116 | return tag_type; | |
1117 | } | |
1118 | ||
1da177e4 LT |
1119 | /** |
1120 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1121 | * @ha: HA context | |
1122 | * | |
1123 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1124 | * supported addressing method. | |
1125 | */ | |
1126 | static void | |
1127 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1128 | { | |
7524f9b9 | 1129 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1130 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1131 | |
7524f9b9 AV |
1132 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1133 | /* Any upper-dword bits set? */ | |
1134 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1135 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1136 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1137 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1138 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1139 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1140 | return; |
1da177e4 | 1141 | } |
1da177e4 | 1142 | } |
7524f9b9 AV |
1143 | |
1144 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1145 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1146 | } |
1147 | ||
ea5b6382 AV |
1148 | static inline void |
1149 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) | |
1150 | { | |
1151 | ha->device_type = DT_EXTENDED_IDS; | |
1152 | switch (ha->pdev->device) { | |
1153 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1154 | ha->device_type |= DT_ISP2100; | |
1155 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1156 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1157 | break; |
1158 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1159 | ha->device_type |= DT_ISP2200; | |
1160 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1161 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1162 | break; |
1163 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1164 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1165 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1166 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1167 | break; |
1168 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1169 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1170 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1171 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1172 | break; |
1173 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1174 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1175 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 AV |
1176 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1177 | ha->pdev->subsystem_device == 0x0170) | |
1178 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1179 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1180 | break; |
1181 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1182 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1183 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1184 | break; |
1185 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1186 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1187 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1188 | break; |
1189 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1190 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1191 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1192 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1193 | break; |
1194 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1195 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1196 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1197 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1198 | break; |
044cc6c8 AV |
1199 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1200 | ha->device_type |= DT_ISP5422; | |
441d1072 | 1201 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1202 | break; |
044cc6c8 AV |
1203 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1204 | ha->device_type |= DT_ISP5432; | |
441d1072 | 1205 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1206 | break; |
1207 | } | |
1208 | } | |
1209 | ||
1da177e4 LT |
1210 | static int |
1211 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1212 | { | |
1213 | unsigned long pio, pio_len, pio_flags; | |
1214 | unsigned long mmio, mmio_len, mmio_flags; | |
1215 | ||
1216 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1217 | pio = pci_resource_start(ha->pdev, 0); | |
1218 | pio_len = pci_resource_len(ha->pdev, 0); | |
1219 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1220 | if (pio_flags & IORESOURCE_IO) { | |
1221 | if (pio_len < MIN_IOBASE_LEN) { | |
1222 | qla_printk(KERN_WARNING, ha, | |
1223 | "Invalid PCI I/O region size (%s)...\n", | |
1224 | pci_name(ha->pdev)); | |
1225 | pio = 0; | |
1226 | } | |
1227 | } else { | |
1228 | qla_printk(KERN_WARNING, ha, | |
1229 | "region #0 not a PIO resource (%s)...\n", | |
1230 | pci_name(ha->pdev)); | |
1231 | pio = 0; | |
1232 | } | |
1233 | ||
1234 | /* Use MMIO operations for all accesses. */ | |
1235 | mmio = pci_resource_start(ha->pdev, 1); | |
1236 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1237 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1238 | ||
1239 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1240 | qla_printk(KERN_ERR, ha, | |
1241 | "region #0 not an MMIO resource (%s), aborting\n", | |
1242 | pci_name(ha->pdev)); | |
1243 | goto iospace_error_exit; | |
1244 | } | |
1245 | if (mmio_len < MIN_IOBASE_LEN) { | |
1246 | qla_printk(KERN_ERR, ha, | |
1247 | "Invalid PCI mem region size (%s), aborting\n", | |
1248 | pci_name(ha->pdev)); | |
1249 | goto iospace_error_exit; | |
1250 | } | |
1251 | ||
cb63067a | 1252 | if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { |
1da177e4 LT |
1253 | qla_printk(KERN_WARNING, ha, |
1254 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1255 | pci_name(ha->pdev)); | |
1256 | ||
1257 | goto iospace_error_exit; | |
1258 | } | |
1259 | ||
1260 | ha->pio_address = pio; | |
1261 | ha->pio_length = pio_len; | |
1262 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1263 | if (!ha->iobase) { | |
1264 | qla_printk(KERN_ERR, ha, | |
1265 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1266 | ||
1267 | goto iospace_error_exit; | |
1268 | } | |
1269 | ||
1270 | return (0); | |
1271 | ||
1272 | iospace_error_exit: | |
1273 | return (-ENOMEM); | |
1274 | } | |
1275 | ||
abbd8870 AV |
1276 | static void |
1277 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1278 | { | |
1279 | unsigned long flags = 0; | |
3d71644c | 1280 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1281 | |
1282 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1283 | ha->interrupts_on = 1; | |
1284 | /* enable risc and host interrupts */ | |
1285 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1286 | RD_REG_WORD(®->ictrl); | |
1287 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1288 | ||
1289 | } | |
1290 | ||
1291 | static void | |
1292 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1293 | { | |
1294 | unsigned long flags = 0; | |
3d71644c | 1295 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1296 | |
1297 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1298 | ha->interrupts_on = 0; | |
1299 | /* disable risc and host interrupts */ | |
1300 | WRT_REG_WORD(®->ictrl, 0); | |
1301 | RD_REG_WORD(®->ictrl); | |
1302 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1303 | } | |
1304 | ||
fca29703 AV |
1305 | static void |
1306 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1307 | { | |
1308 | unsigned long flags = 0; | |
1309 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1310 | ||
1311 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1312 | ha->interrupts_on = 1; | |
1313 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1314 | RD_REG_DWORD(®->ictrl); | |
1315 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1316 | } | |
1317 | ||
1318 | static void | |
1319 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1320 | { | |
1321 | unsigned long flags = 0; | |
1322 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1323 | ||
1324 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1325 | ha->interrupts_on = 0; | |
1326 | WRT_REG_DWORD(®->ictrl, 0); | |
1327 | RD_REG_DWORD(®->ictrl); | |
1328 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1329 | } | |
1330 | ||
1da177e4 LT |
1331 | /* |
1332 | * PCI driver interface | |
1333 | */ | |
7ee61397 AV |
1334 | static int __devinit |
1335 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1336 | { |
a1541d5a | 1337 | int ret = -ENODEV; |
fca29703 | 1338 | device_reg_t __iomem *reg; |
1da177e4 LT |
1339 | struct Scsi_Host *host; |
1340 | scsi_qla_host_t *ha; | |
1341 | unsigned long flags = 0; | |
1342 | unsigned long wait_switch = 0; | |
1343 | char pci_info[20]; | |
1344 | char fw_str[30]; | |
8482e118 | 1345 | fc_port_t *fcport; |
5433383e | 1346 | struct scsi_host_template *sht; |
1da177e4 LT |
1347 | |
1348 | if (pci_enable_device(pdev)) | |
a1541d5a | 1349 | goto probe_out; |
1da177e4 | 1350 | |
5433383e AV |
1351 | sht = &qla2x00_driver_template; |
1352 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
1353 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432) | |
1354 | sht = &qla24xx_driver_template; | |
1355 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1356 | if (host == NULL) { |
1357 | printk(KERN_WARNING | |
1358 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1359 | goto probe_disable_device; | |
1360 | } | |
1361 | ||
1362 | /* Clear our data area */ | |
1363 | ha = (scsi_qla_host_t *)host->hostdata; | |
1364 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1365 | ||
1366 | ha->pdev = pdev; | |
1367 | ha->host = host; | |
1368 | ha->host_no = host->host_no; | |
cb63067a | 1369 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
1da177e4 | 1370 | |
ea5b6382 AV |
1371 | /* Set ISP-type information. */ |
1372 | qla2x00_set_isp_flags(ha); | |
1373 | ||
1da177e4 LT |
1374 | /* Configure PCI I/O space */ |
1375 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1376 | if (ret) |
1377 | goto probe_failed; | |
1da177e4 | 1378 | |
1da177e4 | 1379 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1380 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1381 | ha->iobase); | |
1da177e4 LT |
1382 | |
1383 | spin_lock_init(&ha->hardware_lock); | |
1384 | ||
1da177e4 | 1385 | ha->prev_topology = 0; |
fca29703 | 1386 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1387 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
d8b45213 | 1388 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1389 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1390 | |
abbd8870 AV |
1391 | /* Assign ISP specific operations. */ |
1392 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1393 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1394 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1395 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1396 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1397 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1398 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1399 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1400 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1401 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1402 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1403 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1404 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1405 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1406 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1407 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1408 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1409 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1410 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1411 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1412 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1413 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1414 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 | 1415 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
854165f4 AV |
1416 | ha->isp_ops.read_optrom = qla2x00_read_optrom_data; |
1417 | ha->isp_ops.write_optrom = qla2x00_write_optrom_data; | |
1da177e4 | 1418 | if (IS_QLA2100(ha)) { |
354d6b21 | 1419 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1420 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1421 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1422 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1423 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1424 | host->sg_tablesize = 32; | |
abbd8870 | 1425 | ha->gid_list_info_size = 4; |
1da177e4 | 1426 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1427 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1428 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1429 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1430 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1431 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1432 | ha->gid_list_info_size = 4; |
fca29703 | 1433 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1434 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1435 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1436 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1437 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1438 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1439 | ha->isp_ops.pci_config = qla2300_pci_config; |
1440 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1441 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
f6df144c AV |
1442 | ha->isp_ops.beacon_on = qla2x00_beacon_on; |
1443 | ha->isp_ops.beacon_off = qla2x00_beacon_off; | |
1444 | ha->isp_ops.beacon_blink = qla2x00_beacon_blink; | |
abbd8870 | 1445 | ha->gid_list_info_size = 6; |
854165f4 AV |
1446 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1447 | ha->optrom_size = OPTROM_SIZE_2322; | |
044cc6c8 | 1448 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1449 | host->max_id = MAX_TARGETS_2200; |
1450 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1451 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1452 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1453 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1454 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1455 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1456 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1457 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1458 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1459 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1460 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1461 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1462 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
5433383e | 1463 | ha->isp_ops.load_risc = qla24xx_load_risc; |
fca29703 AV |
1464 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; |
1465 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1466 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1467 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1468 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1469 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1470 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1471 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1472 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1473 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1474 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1475 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1476 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1477 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
854165f4 AV |
1478 | ha->isp_ops.read_optrom = qla24xx_read_optrom_data; |
1479 | ha->isp_ops.write_optrom = qla24xx_write_optrom_data; | |
f6df144c AV |
1480 | ha->isp_ops.beacon_on = qla24xx_beacon_on; |
1481 | ha->isp_ops.beacon_off = qla24xx_beacon_off; | |
1482 | ha->isp_ops.beacon_blink = qla24xx_beacon_blink; | |
fca29703 | 1483 | ha->gid_list_info_size = 8; |
854165f4 | 1484 | ha->optrom_size = OPTROM_SIZE_24XX; |
1da177e4 LT |
1485 | } |
1486 | host->can_queue = ha->request_q_length + 128; | |
1487 | ||
1488 | /* load the F/W, read paramaters, and init the H/W */ | |
1489 | ha->instance = num_hosts; | |
1490 | ||
1491 | init_MUTEX(&ha->mbx_cmd_sem); | |
1492 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1493 | ||
1494 | INIT_LIST_HEAD(&ha->list); | |
1495 | INIT_LIST_HEAD(&ha->fcports); | |
1da177e4 LT |
1496 | |
1497 | /* | |
1498 | * These locks are used to prevent more than one CPU | |
1499 | * from modifying the queue at the same time. The | |
1500 | * higher level "host_lock" will reduce most | |
1501 | * contention for these locks. | |
1502 | */ | |
1503 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 | 1504 | |
1da177e4 LT |
1505 | qla2x00_config_dma_addressing(ha); |
1506 | if (qla2x00_mem_alloc(ha)) { | |
1507 | qla_printk(KERN_WARNING, ha, | |
1508 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1509 | ||
a1541d5a AV |
1510 | ret = -ENOMEM; |
1511 | goto probe_failed; | |
1da177e4 LT |
1512 | } |
1513 | ||
1514 | if (qla2x00_initialize_adapter(ha) && | |
1515 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1516 | ||
1517 | qla_printk(KERN_WARNING, ha, | |
1518 | "Failed to initialize adapter\n"); | |
1519 | ||
1520 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1521 | "Adapter flags %x.\n", | |
1522 | ha->host_no, ha->device_flags)); | |
1523 | ||
a1541d5a | 1524 | ret = -ENODEV; |
1da177e4 LT |
1525 | goto probe_failed; |
1526 | } | |
1527 | ||
1528 | /* | |
1529 | * Startup the kernel thread for this host adapter | |
1530 | */ | |
39a11240 CH |
1531 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
1532 | "%s_dpc", ha->host_str); | |
1533 | if (IS_ERR(ha->dpc_thread)) { | |
1da177e4 LT |
1534 | qla_printk(KERN_WARNING, ha, |
1535 | "Unable to start DPC thread!\n"); | |
39a11240 | 1536 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1537 | goto probe_failed; |
1538 | } | |
1da177e4 | 1539 | |
a1541d5a AV |
1540 | host->this_id = 255; |
1541 | host->cmd_per_lun = 3; | |
1542 | host->unique_id = ha->instance; | |
1543 | host->max_cmd_len = MAX_CMDSZ; | |
75bc4190 | 1544 | host->max_channel = MAX_BUSES - 1; |
a1541d5a AV |
1545 | host->max_lun = MAX_LUNS; |
1546 | host->transportt = qla2xxx_transport_template; | |
1547 | ||
fca29703 | 1548 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
1d6f359a | 1549 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); |
a1541d5a | 1550 | if (ret) { |
1da177e4 LT |
1551 | qla_printk(KERN_WARNING, ha, |
1552 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1553 | pdev->irq); |
1da177e4 LT |
1554 | goto probe_failed; |
1555 | } | |
fca29703 | 1556 | host->irq = pdev->irq; |
1da177e4 LT |
1557 | |
1558 | /* Initialized the timer */ | |
1559 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1560 | ||
1561 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1562 | ha->host_no, ha)); | |
1563 | ||
abbd8870 | 1564 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1565 | |
1da177e4 | 1566 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 | 1567 | reg = ha->iobase; |
044cc6c8 | 1568 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1569 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
1570 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1571 | } else { | |
1572 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1573 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1574 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1575 | ||
1576 | /* Enable proper parity */ | |
1577 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1578 | if (IS_QLA2300(ha)) | |
1579 | /* SRAM parity */ | |
1580 | WRT_REG_WORD(®->isp.hccr, | |
1581 | (HCCR_ENABLE_PARITY + 0x1)); | |
1582 | else | |
1583 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1584 | WRT_REG_WORD(®->isp.hccr, | |
1585 | (HCCR_ENABLE_PARITY + 0x7)); | |
1586 | } | |
1da177e4 LT |
1587 | } |
1588 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1589 | ||
abbd8870 | 1590 | ha->isp_ops.enable_intrs(ha); |
1da177e4 LT |
1591 | |
1592 | /* v2.19.5b6 */ | |
1593 | /* | |
1594 | * Wait around max loop_reset_delay secs for the devices to come | |
1595 | * on-line. We don't want Linux scanning before we are ready. | |
1596 | * | |
1597 | */ | |
1598 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); | |
1599 | time_before(jiffies,wait_switch) && | |
1600 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) | |
1601 | && (ha->device_flags & SWITCH_FOUND) ;) { | |
1602 | ||
1603 | qla2x00_check_fabric_devices(ha); | |
1604 | ||
1605 | msleep(10); | |
1606 | } | |
1607 | ||
a1541d5a | 1608 | pci_set_drvdata(pdev, ha); |
1da177e4 LT |
1609 | ha->flags.init_done = 1; |
1610 | num_hosts++; | |
1611 | ||
a1541d5a AV |
1612 | ret = scsi_add_host(host, &pdev->dev); |
1613 | if (ret) | |
1614 | goto probe_failed; | |
1615 | ||
1616 | qla2x00_alloc_sysfs_attr(ha); | |
1617 | ||
1618 | qla2x00_init_host_attr(ha); | |
1619 | ||
1da177e4 LT |
1620 | qla_printk(KERN_INFO, ha, "\n" |
1621 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1622 | " QLogic %s - %s\n" | |
5433383e AV |
1623 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1624 | qla2x00_version_str, ha->model_number, | |
1625 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
1626 | ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev), | |
1627 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, | |
1628 | ha->isp_ops.fw_version_str(ha, fw_str)); | |
1da177e4 | 1629 | |
8482e118 AV |
1630 | /* Go with fc_rport registration. */ |
1631 | list_for_each_entry(fcport, &ha->fcports, list) | |
1632 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1633 | |
1634 | return 0; | |
1635 | ||
1636 | probe_failed: | |
1637 | qla2x00_free_device(ha); | |
1638 | ||
1639 | scsi_host_put(host); | |
1640 | ||
1641 | probe_disable_device: | |
1642 | pci_disable_device(pdev); | |
1643 | ||
a1541d5a AV |
1644 | probe_out: |
1645 | return ret; | |
1da177e4 | 1646 | } |
1da177e4 | 1647 | |
7ee61397 AV |
1648 | static void __devexit |
1649 | qla2x00_remove_one(struct pci_dev *pdev) | |
1da177e4 LT |
1650 | { |
1651 | scsi_qla_host_t *ha; | |
1652 | ||
1653 | ha = pci_get_drvdata(pdev); | |
1654 | ||
8482e118 | 1655 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1656 | |
bdf79621 AV |
1657 | fc_remove_host(ha->host); |
1658 | ||
1da177e4 LT |
1659 | scsi_remove_host(ha->host); |
1660 | ||
1661 | qla2x00_free_device(ha); | |
1662 | ||
1663 | scsi_host_put(ha->host); | |
1664 | ||
1665 | pci_set_drvdata(pdev, NULL); | |
1666 | } | |
1da177e4 LT |
1667 | |
1668 | static void | |
1669 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1670 | { | |
1da177e4 LT |
1671 | /* Disable timer */ |
1672 | if (ha->timer_active) | |
1673 | qla2x00_stop_timer(ha); | |
1674 | ||
1675 | /* Kill the kernel thread for this host */ | |
39a11240 CH |
1676 | if (ha->dpc_thread) { |
1677 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1678 | |
39a11240 CH |
1679 | /* |
1680 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1681 | * so we need to zero it out. | |
1682 | */ | |
1683 | ha->dpc_thread = NULL; | |
1684 | kthread_stop(t); | |
1da177e4 LT |
1685 | } |
1686 | ||
a7a167bf AV |
1687 | if (ha->eft) |
1688 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); | |
1689 | ||
f6ef3b18 AV |
1690 | /* Stop currently executing firmware. */ |
1691 | qla2x00_stop_firmware(ha); | |
1da177e4 | 1692 | |
f6ef3b18 AV |
1693 | /* turn-off interrupts on the card */ |
1694 | if (ha->interrupts_on) | |
1695 | ha->isp_ops.disable_intrs(ha); | |
1696 | ||
1697 | qla2x00_mem_free(ha); | |
1da177e4 LT |
1698 | |
1699 | ha->flags.online = 0; | |
1700 | ||
1701 | /* Detach interrupts */ | |
77347ff7 ZB |
1702 | if (ha->host->irq) |
1703 | free_irq(ha->host->irq, ha); | |
1da177e4 LT |
1704 | |
1705 | /* release io space registers */ | |
1706 | if (ha->iobase) | |
1707 | iounmap(ha->iobase); | |
1708 | pci_release_regions(ha->pdev); | |
1709 | ||
1710 | pci_disable_device(ha->pdev); | |
1711 | } | |
1712 | ||
d97994dc AV |
1713 | static inline void |
1714 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1715 | int defer) | |
1716 | { | |
1717 | unsigned long flags; | |
1718 | struct fc_rport *rport; | |
1719 | ||
1720 | if (!fcport->rport) | |
1721 | return; | |
1722 | ||
1723 | rport = fcport->rport; | |
1724 | if (defer) { | |
1725 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1726 | fcport->drport = rport; | |
1727 | fcport->rport = NULL; | |
387f96b4 | 1728 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1729 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1730 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1731 | } else { | |
1732 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1733 | fcport->rport = NULL; | |
387f96b4 | 1734 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1735 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1736 | fc_remote_port_delete(rport); | |
1737 | } | |
1738 | } | |
1739 | ||
1da177e4 LT |
1740 | /* |
1741 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1742 | * | |
1743 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1744 | * | |
1745 | * Return: None. | |
1746 | * | |
1747 | * Context: | |
1748 | */ | |
1749 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1750 | int do_login, int defer) |
1da177e4 | 1751 | { |
d97994dc AV |
1752 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1753 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
19a7b4ae | 1754 | |
fa2a1ce5 | 1755 | /* |
1da177e4 LT |
1756 | * We may need to retry the login, so don't change the state of the |
1757 | * port but do the retries. | |
1758 | */ | |
1759 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1760 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1761 | ||
1762 | if (!do_login) | |
1763 | return; | |
1764 | ||
1765 | if (fcport->login_retry == 0) { | |
1766 | fcport->login_retry = ha->login_retry_count; | |
1767 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1768 | ||
1769 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1770 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1771 | "id = 0x%04x retry cnt=%d\n", | |
1772 | ha->host_no, | |
1773 | fcport->port_name[0], | |
1774 | fcport->port_name[1], | |
1775 | fcport->port_name[2], | |
1776 | fcport->port_name[3], | |
1777 | fcport->port_name[4], | |
1778 | fcport->port_name[5], | |
1779 | fcport->port_name[6], | |
1780 | fcport->port_name[7], | |
1781 | fcport->loop_id, | |
1782 | fcport->login_retry)); | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | * qla2x00_mark_all_devices_lost | |
1788 | * Updates fcport state when device goes offline. | |
1789 | * | |
1790 | * Input: | |
1791 | * ha = adapter block pointer. | |
1792 | * fcport = port structure pointer. | |
1793 | * | |
1794 | * Return: | |
1795 | * None. | |
1796 | * | |
1797 | * Context: | |
1798 | */ | |
1799 | void | |
d97994dc | 1800 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1801 | { |
1802 | fc_port_t *fcport; | |
1803 | ||
1804 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1805 | if (fcport->port_type != FCT_TARGET) | |
1806 | continue; | |
1807 | ||
1808 | /* | |
1809 | * No point in marking the device as lost, if the device is | |
1810 | * already DEAD. | |
1811 | */ | |
1812 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1813 | continue; | |
d97994dc AV |
1814 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1815 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1da177e4 LT |
1816 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1817 | } | |
d97994dc | 1818 | |
39a11240 CH |
1819 | if (defer) |
1820 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
1821 | } |
1822 | ||
1823 | /* | |
1824 | * qla2x00_mem_alloc | |
1825 | * Allocates adapter memory. | |
1826 | * | |
1827 | * Returns: | |
1828 | * 0 = success. | |
1829 | * 1 = failure. | |
1830 | */ | |
1831 | static uint8_t | |
1832 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1833 | { | |
1834 | char name[16]; | |
1835 | uint8_t status = 1; | |
1836 | int retry= 10; | |
1837 | ||
1838 | do { | |
1839 | /* | |
1840 | * This will loop only once if everything goes well, else some | |
1841 | * number of retries will be performed to get around a kernel | |
1842 | * bug where available mem is not allocated until after a | |
1843 | * little delay and a retry. | |
1844 | */ | |
1845 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1846 | (ha->request_q_length + 1) * sizeof(request_t), | |
1847 | &ha->request_dma, GFP_KERNEL); | |
1848 | if (ha->request_ring == NULL) { | |
1849 | qla_printk(KERN_WARNING, ha, | |
1850 | "Memory Allocation failed - request_ring\n"); | |
1851 | ||
1852 | qla2x00_mem_free(ha); | |
1853 | msleep(100); | |
1854 | ||
1855 | continue; | |
1856 | } | |
1857 | ||
1858 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1859 | (ha->response_q_length + 1) * sizeof(response_t), | |
1860 | &ha->response_dma, GFP_KERNEL); | |
1861 | if (ha->response_ring == NULL) { | |
1862 | qla_printk(KERN_WARNING, ha, | |
1863 | "Memory Allocation failed - response_ring\n"); | |
1864 | ||
1865 | qla2x00_mem_free(ha); | |
1866 | msleep(100); | |
1867 | ||
1868 | continue; | |
1869 | } | |
1870 | ||
1871 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1872 | &ha->gid_list_dma, GFP_KERNEL); | |
1873 | if (ha->gid_list == NULL) { | |
1874 | qla_printk(KERN_WARNING, ha, | |
1875 | "Memory Allocation failed - gid_list\n"); | |
1876 | ||
1877 | qla2x00_mem_free(ha); | |
1878 | msleep(100); | |
1879 | ||
1880 | continue; | |
1881 | } | |
1882 | ||
cb63067a AV |
1883 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
1884 | ha->host_no); | |
1da177e4 LT |
1885 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
1886 | DMA_POOL_SIZE, 8, 0); | |
1887 | if (ha->s_dma_pool == NULL) { | |
1888 | qla_printk(KERN_WARNING, ha, | |
1889 | "Memory Allocation failed - s_dma_pool\n"); | |
1890 | ||
1891 | qla2x00_mem_free(ha); | |
1892 | msleep(100); | |
1893 | ||
1894 | continue; | |
1895 | } | |
1896 | ||
1897 | /* get consistent memory allocated for init control block */ | |
1898 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1899 | &ha->init_cb_dma); | |
1900 | if (ha->init_cb == NULL) { | |
1901 | qla_printk(KERN_WARNING, ha, | |
1902 | "Memory Allocation failed - init_cb\n"); | |
1903 | ||
1904 | qla2x00_mem_free(ha); | |
1905 | msleep(100); | |
1906 | ||
1907 | continue; | |
1908 | } | |
fca29703 | 1909 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 | 1910 | |
1da177e4 LT |
1911 | if (qla2x00_allocate_sp_pool(ha)) { |
1912 | qla_printk(KERN_WARNING, ha, | |
1913 | "Memory Allocation failed - " | |
1914 | "qla2x00_allocate_sp_pool()\n"); | |
1915 | ||
1916 | qla2x00_mem_free(ha); | |
1917 | msleep(100); | |
1918 | ||
1919 | continue; | |
1920 | } | |
1921 | ||
1922 | /* Allocate memory for SNS commands */ | |
1923 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1924 | /* Get consistent memory allocated for SNS commands */ | |
1925 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1926 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1927 | GFP_KERNEL); | |
1928 | if (ha->sns_cmd == NULL) { | |
1929 | /* error */ | |
1930 | qla_printk(KERN_WARNING, ha, | |
1931 | "Memory Allocation failed - sns_cmd\n"); | |
1932 | ||
1933 | qla2x00_mem_free(ha); | |
1934 | msleep(100); | |
1935 | ||
1936 | continue; | |
1937 | } | |
1938 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1939 | } else { | |
1940 | /* Get consistent memory allocated for MS IOCB */ | |
1941 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1942 | &ha->ms_iocb_dma); | |
1943 | if (ha->ms_iocb == NULL) { | |
1944 | /* error */ | |
1945 | qla_printk(KERN_WARNING, ha, | |
1946 | "Memory Allocation failed - ms_iocb\n"); | |
1947 | ||
1948 | qla2x00_mem_free(ha); | |
1949 | msleep(100); | |
1950 | ||
1951 | continue; | |
1952 | } | |
1953 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1954 | ||
1955 | /* | |
1956 | * Get consistent memory allocated for CT SNS | |
1957 | * commands | |
1958 | */ | |
1959 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
1960 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
1961 | GFP_KERNEL); | |
1962 | if (ha->ct_sns == NULL) { | |
1963 | /* error */ | |
1964 | qla_printk(KERN_WARNING, ha, | |
1965 | "Memory Allocation failed - ct_sns\n"); | |
1966 | ||
1967 | qla2x00_mem_free(ha); | |
1968 | msleep(100); | |
1969 | ||
1970 | continue; | |
1971 | } | |
1972 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
88729e53 AV |
1973 | |
1974 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { | |
1975 | /* | |
1976 | * Get consistent memory allocated for SFP | |
1977 | * block. | |
1978 | */ | |
1979 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, | |
1980 | GFP_KERNEL, &ha->sfp_data_dma); | |
1981 | if (ha->sfp_data == NULL) { | |
1982 | qla_printk(KERN_WARNING, ha, | |
1983 | "Memory Allocation failed - " | |
1984 | "sfp_data\n"); | |
1985 | ||
1986 | qla2x00_mem_free(ha); | |
1987 | msleep(100); | |
1988 | ||
1989 | continue; | |
1990 | } | |
1991 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); | |
1992 | } | |
1da177e4 LT |
1993 | } |
1994 | ||
1995 | /* Done all allocations without any error. */ | |
1996 | status = 0; | |
1997 | ||
1998 | } while (retry-- && status != 0); | |
1999 | ||
2000 | if (status) { | |
2001 | printk(KERN_WARNING | |
2002 | "%s(): **** FAILED ****\n", __func__); | |
2003 | } | |
2004 | ||
2005 | return(status); | |
2006 | } | |
2007 | ||
2008 | /* | |
2009 | * qla2x00_mem_free | |
2010 | * Frees all adapter allocated memory. | |
2011 | * | |
2012 | * Input: | |
2013 | * ha = adapter block pointer. | |
2014 | */ | |
2015 | static void | |
2016 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
2017 | { | |
1da177e4 LT |
2018 | struct list_head *fcpl, *fcptemp; |
2019 | fc_port_t *fcport; | |
1da177e4 LT |
2020 | |
2021 | if (ha == NULL) { | |
2022 | /* error */ | |
2023 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
2024 | return; | |
2025 | } | |
2026 | ||
1da177e4 LT |
2027 | /* free sp pool */ |
2028 | qla2x00_free_sp_pool(ha); | |
2029 | ||
a7a167bf AV |
2030 | if (ha->fw_dump) { |
2031 | if (ha->eft) | |
2032 | dma_free_coherent(&ha->pdev->dev, | |
2033 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); | |
2034 | vfree(ha->fw_dump); | |
2035 | } | |
2036 | ||
1da177e4 LT |
2037 | if (ha->sns_cmd) |
2038 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
2039 | ha->sns_cmd, ha->sns_cmd_dma); | |
2040 | ||
2041 | if (ha->ct_sns) | |
2042 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2043 | ha->ct_sns, ha->ct_sns_dma); | |
2044 | ||
88729e53 AV |
2045 | if (ha->sfp_data) |
2046 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2047 | ||
1da177e4 LT |
2048 | if (ha->ms_iocb) |
2049 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2050 | ||
1da177e4 LT |
2051 | if (ha->init_cb) |
2052 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
2053 | ||
2054 | if (ha->s_dma_pool) | |
2055 | dma_pool_destroy(ha->s_dma_pool); | |
2056 | ||
1da177e4 LT |
2057 | if (ha->gid_list) |
2058 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2059 | ha->gid_list_dma); | |
2060 | ||
2061 | if (ha->response_ring) | |
2062 | dma_free_coherent(&ha->pdev->dev, | |
2063 | (ha->response_q_length + 1) * sizeof(response_t), | |
2064 | ha->response_ring, ha->response_dma); | |
2065 | ||
2066 | if (ha->request_ring) | |
2067 | dma_free_coherent(&ha->pdev->dev, | |
2068 | (ha->request_q_length + 1) * sizeof(request_t), | |
2069 | ha->request_ring, ha->request_dma); | |
2070 | ||
a7a167bf AV |
2071 | ha->eft = NULL; |
2072 | ha->eft_dma = 0; | |
1da177e4 LT |
2073 | ha->sns_cmd = NULL; |
2074 | ha->sns_cmd_dma = 0; | |
2075 | ha->ct_sns = NULL; | |
2076 | ha->ct_sns_dma = 0; | |
2077 | ha->ms_iocb = NULL; | |
2078 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2079 | ha->init_cb = NULL; |
2080 | ha->init_cb_dma = 0; | |
2081 | ||
2082 | ha->s_dma_pool = NULL; | |
2083 | ||
1da177e4 LT |
2084 | ha->gid_list = NULL; |
2085 | ha->gid_list_dma = 0; | |
2086 | ||
2087 | ha->response_ring = NULL; | |
2088 | ha->response_dma = 0; | |
2089 | ha->request_ring = NULL; | |
2090 | ha->request_dma = 0; | |
2091 | ||
2092 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2093 | fcport = list_entry(fcpl, fc_port_t, list); | |
2094 | ||
1da177e4 LT |
2095 | /* fc ports */ |
2096 | list_del_init(&fcport->list); | |
2097 | kfree(fcport); | |
2098 | } | |
2099 | INIT_LIST_HEAD(&ha->fcports); | |
2100 | ||
1da177e4 | 2101 | ha->fw_dump = NULL; |
fca29703 | 2102 | ha->fw_dumped = 0; |
1da177e4 | 2103 | ha->fw_dump_reading = 0; |
854165f4 AV |
2104 | |
2105 | vfree(ha->optrom_buffer); | |
1da177e4 LT |
2106 | } |
2107 | ||
2108 | /* | |
2109 | * qla2x00_allocate_sp_pool | |
2110 | * This routine is called during initialization to allocate | |
2111 | * memory for local srb_t. | |
2112 | * | |
2113 | * Input: | |
2114 | * ha = adapter block pointer. | |
2115 | * | |
2116 | * Context: | |
2117 | * Kernel context. | |
1da177e4 LT |
2118 | */ |
2119 | static int | |
fa2a1ce5 | 2120 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2121 | { |
2122 | int rval; | |
2123 | ||
2124 | rval = QLA_SUCCESS; | |
93d2341c | 2125 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
1da177e4 LT |
2126 | if (ha->srb_mempool == NULL) { |
2127 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2128 | rval = QLA_FUNCTION_FAILED; | |
2129 | } | |
2130 | return (rval); | |
2131 | } | |
2132 | ||
2133 | /* | |
2134 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2135 | * |
1da177e4 LT |
2136 | */ |
2137 | static void | |
fa2a1ce5 | 2138 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2139 | { |
2140 | if (ha->srb_mempool) { | |
2141 | mempool_destroy(ha->srb_mempool); | |
2142 | ha->srb_mempool = NULL; | |
2143 | } | |
2144 | } | |
2145 | ||
2146 | /************************************************************************** | |
2147 | * qla2x00_do_dpc | |
2148 | * This kernel thread is a task that is schedule by the interrupt handler | |
2149 | * to perform the background processing for interrupts. | |
2150 | * | |
2151 | * Notes: | |
2152 | * This task always run in the context of a kernel thread. It | |
2153 | * is kick-off by the driver's detect code and starts up | |
2154 | * up one per adapter. It immediately goes to sleep and waits for | |
2155 | * some fibre event. When either the interrupt handler or | |
2156 | * the timer routine detects a event it will one of the task | |
2157 | * bits then wake us up. | |
2158 | **************************************************************************/ | |
2159 | static int | |
2160 | qla2x00_do_dpc(void *data) | |
2161 | { | |
1da177e4 LT |
2162 | scsi_qla_host_t *ha; |
2163 | fc_port_t *fcport; | |
1da177e4 | 2164 | uint8_t status; |
1da177e4 | 2165 | uint16_t next_loopid; |
1da177e4 LT |
2166 | |
2167 | ha = (scsi_qla_host_t *)data; | |
2168 | ||
1da177e4 LT |
2169 | set_user_nice(current, -20); |
2170 | ||
39a11240 | 2171 | while (!kthread_should_stop()) { |
1da177e4 LT |
2172 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2173 | ||
39a11240 CH |
2174 | set_current_state(TASK_INTERRUPTIBLE); |
2175 | schedule(); | |
2176 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2177 | |
2178 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2179 | ||
2180 | /* Initialization not yet finished. Don't do anything yet. */ | |
39a11240 | 2181 | if (!ha->flags.init_done) |
1da177e4 LT |
2182 | continue; |
2183 | ||
2184 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2185 | ||
2186 | ha->dpc_active = 1; | |
2187 | ||
1da177e4 | 2188 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2189 | ha->dpc_active = 0; |
2190 | continue; | |
2191 | } | |
2192 | ||
2193 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2194 | ||
2195 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2196 | "qla2x00_abort_isp ha = %p\n", | |
2197 | ha->host_no, ha)); | |
2198 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2199 | &ha->dpc_flags))) { | |
2200 | ||
2201 | if (qla2x00_abort_isp(ha)) { | |
2202 | /* failed. retry later */ | |
2203 | set_bit(ISP_ABORT_NEEDED, | |
2204 | &ha->dpc_flags); | |
2205 | } | |
2206 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2207 | } | |
2208 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2209 | ha->host_no)); | |
2210 | } | |
2211 | ||
d97994dc AV |
2212 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2213 | qla2x00_update_fcports(ha); | |
2214 | ||
91ca7b01 AV |
2215 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2216 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2217 | ha->host_no)); | |
2218 | qla2x00_loop_reset(ha); | |
2219 | } | |
2220 | ||
1da177e4 LT |
2221 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2222 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2223 | ||
2224 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2225 | ha->host_no)); | |
2226 | ||
2227 | qla2x00_rst_aen(ha); | |
2228 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2229 | } | |
2230 | ||
2231 | /* Retry each device up to login retry count */ | |
2232 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2233 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2234 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2235 | ||
2236 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2237 | ha->host_no)); | |
2238 | ||
2239 | next_loopid = 0; | |
2240 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1da177e4 LT |
2241 | /* |
2242 | * If the port is not ONLINE then try to login | |
2243 | * to it if we haven't run out of retries. | |
2244 | */ | |
2245 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2246 | fcport->login_retry) { | |
2247 | ||
2248 | fcport->login_retry--; | |
2249 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2250 | if (fcport->flags & | |
2251 | FCF_TAPE_PRESENT) | |
abbd8870 | 2252 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2253 | ha, fcport->loop_id, |
2254 | fcport->d_id.b.domain, | |
2255 | fcport->d_id.b.area, | |
2256 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2257 | status = qla2x00_fabric_login( |
2258 | ha, fcport, &next_loopid); | |
2259 | } else | |
2260 | status = | |
2261 | qla2x00_local_device_login( | |
9a52a57c | 2262 | ha, fcport); |
1da177e4 LT |
2263 | |
2264 | if (status == QLA_SUCCESS) { | |
2265 | fcport->old_loop_id = fcport->loop_id; | |
2266 | ||
2267 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2268 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2269 | |
052c40c8 AV |
2270 | qla2x00_update_fcport(ha, |
2271 | fcport); | |
1da177e4 LT |
2272 | } else if (status == 1) { |
2273 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2274 | /* retry the login again */ | |
2275 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2276 | ha->host_no, | |
2277 | fcport->login_retry, fcport->loop_id)); | |
2278 | } else { | |
2279 | fcport->login_retry = 0; | |
2280 | } | |
2281 | } | |
2282 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2283 | break; | |
2284 | } | |
2285 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2286 | ha->host_no)); | |
2287 | } | |
2288 | ||
2289 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2290 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2291 | ||
2292 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2293 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2294 | ha->host_no)); | |
fa2a1ce5 | 2295 | |
1da177e4 LT |
2296 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2297 | ||
2298 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2299 | ha->host_no)); | |
2300 | } | |
2301 | ||
2302 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2303 | ||
2304 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2305 | ha->host_no)); | |
2306 | ||
2307 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2308 | &ha->dpc_flags))) { | |
2309 | ||
2310 | qla2x00_loop_resync(ha); | |
2311 | ||
2312 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2313 | } | |
2314 | ||
2315 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2316 | ha->host_no)); | |
2317 | } | |
2318 | ||
1da177e4 LT |
2319 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2320 | ||
2321 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2322 | ha->host_no)); | |
2323 | ||
2324 | qla2x00_rescan_fcports(ha); | |
2325 | ||
2326 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2327 | "end.\n", | |
2328 | ha->host_no)); | |
2329 | } | |
2330 | ||
1da177e4 | 2331 | if (!ha->interrupts_on) |
abbd8870 | 2332 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2333 | |
f6df144c AV |
2334 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
2335 | ha->isp_ops.beacon_blink(ha); | |
2336 | ||
1da177e4 LT |
2337 | ha->dpc_active = 0; |
2338 | } /* End of while(1) */ | |
2339 | ||
2340 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2341 | ||
2342 | /* | |
2343 | * Make sure that nobody tries to wake us up again. | |
2344 | */ | |
1da177e4 LT |
2345 | ha->dpc_active = 0; |
2346 | ||
39a11240 CH |
2347 | return 0; |
2348 | } | |
2349 | ||
2350 | void | |
2351 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) | |
2352 | { | |
2353 | if (ha->dpc_thread) | |
2354 | wake_up_process(ha->dpc_thread); | |
1da177e4 LT |
2355 | } |
2356 | ||
1da177e4 LT |
2357 | /* |
2358 | * qla2x00_rst_aen | |
2359 | * Processes asynchronous reset. | |
2360 | * | |
2361 | * Input: | |
2362 | * ha = adapter block pointer. | |
2363 | */ | |
2364 | static void | |
fa2a1ce5 | 2365 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2366 | { |
2367 | if (ha->flags.online && !ha->flags.reset_active && | |
2368 | !atomic_read(&ha->loop_down_timer) && | |
2369 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2370 | do { | |
2371 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2372 | ||
2373 | /* | |
2374 | * Issue marker command only when we are going to start | |
2375 | * the I/O. | |
2376 | */ | |
2377 | ha->marker_needed = 1; | |
2378 | } while (!atomic_read(&ha->loop_down_timer) && | |
2379 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2380 | } | |
2381 | } | |
2382 | ||
f4f051eb AV |
2383 | static void |
2384 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2385 | { | |
2386 | struct scsi_cmnd *cmd = sp->cmd; | |
2387 | ||
2388 | if (sp->flags & SRB_DMA_VALID) { | |
2389 | if (cmd->use_sg) { | |
2390 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2391 | cmd->use_sg, cmd->sc_data_direction); | |
2392 | } else if (cmd->request_bufflen) { | |
2393 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2394 | cmd->request_bufflen, cmd->sc_data_direction); | |
2395 | } | |
2396 | sp->flags &= ~SRB_DMA_VALID; | |
2397 | } | |
fca29703 | 2398 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2399 | } |
2400 | ||
2401 | void | |
2402 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2403 | { | |
2404 | struct scsi_cmnd *cmd = sp->cmd; | |
2405 | ||
2406 | qla2x00_sp_free_dma(ha, sp); | |
2407 | ||
f4f051eb AV |
2408 | mempool_free(sp, ha->srb_mempool); |
2409 | ||
2410 | cmd->scsi_done(cmd); | |
2411 | } | |
bdf79621 | 2412 | |
1da177e4 LT |
2413 | /************************************************************************** |
2414 | * qla2x00_timer | |
2415 | * | |
2416 | * Description: | |
2417 | * One second timer | |
2418 | * | |
2419 | * Context: Interrupt | |
2420 | ***************************************************************************/ | |
2421 | static void | |
2422 | qla2x00_timer(scsi_qla_host_t *ha) | |
2423 | { | |
1da177e4 LT |
2424 | unsigned long cpu_flags = 0; |
2425 | fc_port_t *fcport; | |
1da177e4 LT |
2426 | int start_dpc = 0; |
2427 | int index; | |
2428 | srb_t *sp; | |
f4f051eb | 2429 | int t; |
1da177e4 LT |
2430 | |
2431 | /* | |
2432 | * Ports - Port down timer. | |
2433 | * | |
2434 | * Whenever, a port is in the LOST state we start decrementing its port | |
2435 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2436 | * the port it marked DEAD. |
1da177e4 LT |
2437 | */ |
2438 | t = 0; | |
2439 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2440 | if (fcport->port_type != FCT_TARGET) | |
2441 | continue; | |
2442 | ||
2443 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2444 | ||
2445 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2446 | continue; | |
2447 | ||
fa2a1ce5 | 2448 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2449 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2450 | |
1da177e4 | 2451 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2452 | "%d remaining\n", |
1da177e4 LT |
2453 | ha->host_no, |
2454 | t, atomic_read(&fcport->port_down_timer))); | |
2455 | } | |
2456 | t++; | |
2457 | } /* End of for fcport */ | |
2458 | ||
1da177e4 LT |
2459 | |
2460 | /* Loop down handler. */ | |
2461 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2462 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2463 | ||
2464 | if (atomic_read(&ha->loop_down_timer) == | |
2465 | ha->loop_down_abort_time) { | |
2466 | ||
2467 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2468 | "queues before time expire\n", | |
2469 | ha->host_no)); | |
2470 | ||
2471 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2472 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2473 | |
2474 | /* Schedule an ISP abort to return any tape commands. */ | |
2475 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2476 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2477 | index++) { | |
bdf79621 AV |
2478 | fc_port_t *sfcp; |
2479 | ||
1da177e4 LT |
2480 | sp = ha->outstanding_cmds[index]; |
2481 | if (!sp) | |
2482 | continue; | |
bdf79621 AV |
2483 | sfcp = sp->fcport; |
2484 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2485 | continue; |
2486 | ||
2487 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2488 | break; | |
2489 | } | |
2490 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2491 | ||
2492 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2493 | start_dpc++; | |
2494 | } | |
2495 | ||
2496 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2497 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2498 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2499 | "restarting queues.\n", | |
2500 | ha->host_no)); | |
2501 | ||
2502 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2503 | start_dpc++; | |
2504 | ||
2505 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2506 | DEBUG(printk("scsi(%ld): Loop down - " | |
2507 | "aborting ISP.\n", | |
2508 | ha->host_no)); | |
2509 | qla_printk(KERN_WARNING, ha, | |
2510 | "Loop down - aborting ISP.\n"); | |
2511 | ||
2512 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2513 | } | |
2514 | } | |
fca29703 | 2515 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2516 | ha->host_no, |
2517 | atomic_read(&ha->loop_down_timer))); | |
2518 | } | |
2519 | ||
f6df144c AV |
2520 | /* Check if beacon LED needs to be blinked */ |
2521 | if (ha->beacon_blink_led == 1) { | |
2522 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2523 | start_dpc++; | |
2524 | } | |
2525 | ||
1da177e4 LT |
2526 | /* Schedule the DPC routine if needed */ |
2527 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2528 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2529 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2530 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2531 | start_dpc || |
2532 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2533 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2534 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
39a11240 CH |
2535 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
2536 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
2537 | |
2538 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2539 | } | |
2540 | ||
1da177e4 LT |
2541 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2542 | int | |
2543 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2544 | { | |
fe74c71f AV |
2545 | const unsigned int step = 100; /* msecs */ |
2546 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2547 | |
2548 | do { | |
2549 | if (!down_trylock(sema)) | |
2550 | return 0; | |
fe74c71f | 2551 | if (msleep_interruptible(step)) |
1da177e4 | 2552 | break; |
fe74c71f | 2553 | } while (--iterations >= 0); |
1da177e4 LT |
2554 | |
2555 | return -ETIMEDOUT; | |
2556 | } | |
2557 | ||
5433383e AV |
2558 | /* Firmware interface routines. */ |
2559 | ||
48c02fde | 2560 | #define FW_BLOBS 5 |
5433383e AV |
2561 | #define FW_ISP21XX 0 |
2562 | #define FW_ISP22XX 1 | |
2563 | #define FW_ISP2300 2 | |
2564 | #define FW_ISP2322 3 | |
48c02fde | 2565 | #define FW_ISP24XX 4 |
5433383e AV |
2566 | |
2567 | static DECLARE_MUTEX(qla_fw_lock); | |
2568 | ||
2569 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
2570 | { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, }, | |
2571 | { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, }, | |
2572 | { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, }, | |
2573 | { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
5433383e AV |
2574 | { .name = "ql2400_fw.bin", }, |
2575 | }; | |
2576 | ||
2577 | struct fw_blob * | |
2578 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2579 | { | |
2580 | struct fw_blob *blob; | |
2581 | ||
2582 | blob = NULL; | |
2583 | if (IS_QLA2100(ha)) { | |
2584 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2585 | } else if (IS_QLA2200(ha)) { | |
2586 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2587 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2588 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2589 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2590 | blob = &qla_fw_blobs[FW_ISP2322]; |
044cc6c8 | 2591 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
5433383e AV |
2592 | blob = &qla_fw_blobs[FW_ISP24XX]; |
2593 | } | |
2594 | ||
2595 | down(&qla_fw_lock); | |
2596 | if (blob->fw) | |
2597 | goto out; | |
2598 | ||
2599 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2600 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2601 | "(%s).\n", ha->host_no, blob->name)); | |
2602 | blob->fw = NULL; | |
2603 | blob = NULL; | |
2604 | goto out; | |
2605 | } | |
2606 | ||
2607 | out: | |
2608 | up(&qla_fw_lock); | |
2609 | return blob; | |
2610 | } | |
2611 | ||
2612 | static void | |
2613 | qla2x00_release_firmware(void) | |
2614 | { | |
2615 | int idx; | |
2616 | ||
2617 | down(&qla_fw_lock); | |
2618 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2619 | if (qla_fw_blobs[idx].fw) | |
2620 | release_firmware(qla_fw_blobs[idx].fw); | |
2621 | up(&qla_fw_lock); | |
2622 | } | |
2623 | ||
5433383e | 2624 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2625 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2626 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2627 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2628 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2629 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2630 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2631 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2632 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2633 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
2634 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | |
2635 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
5433383e AV |
2636 | { 0 }, |
2637 | }; | |
2638 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2639 | ||
fca29703 | 2640 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2641 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2642 | .driver = { |
2643 | .owner = THIS_MODULE, | |
2644 | }, | |
fca29703 | 2645 | .id_table = qla2xxx_pci_tbl, |
7ee61397 AV |
2646 | .probe = qla2x00_probe_one, |
2647 | .remove = __devexit_p(qla2x00_remove_one), | |
fca29703 AV |
2648 | }; |
2649 | ||
1da177e4 LT |
2650 | /** |
2651 | * qla2x00_module_init - Module initialization. | |
2652 | **/ | |
2653 | static int __init | |
2654 | qla2x00_module_init(void) | |
2655 | { | |
fca29703 AV |
2656 | int ret = 0; |
2657 | ||
1da177e4 | 2658 | /* Allocate cache for SRBs. */ |
354d6b21 | 2659 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2660 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2661 | if (srb_cachep == NULL) { | |
2662 | printk(KERN_ERR | |
2663 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2664 | return -ENOMEM; | |
2665 | } | |
2666 | ||
2667 | /* Derive version string. */ | |
2668 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
0181944f AV |
2669 | if (extended_error_logging) |
2670 | strcat(qla2x00_version_str, "-debug"); | |
2671 | ||
1c97a12a AV |
2672 | qla2xxx_transport_template = |
2673 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2674 | if (!qla2xxx_transport_template) |
2675 | return -ENODEV; | |
2676 | ||
2677 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
7ee61397 | 2678 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
2679 | if (ret) { |
2680 | kmem_cache_destroy(srb_cachep); | |
2681 | fc_release_transport(qla2xxx_transport_template); | |
2682 | } | |
2683 | return ret; | |
1da177e4 LT |
2684 | } |
2685 | ||
2686 | /** | |
2687 | * qla2x00_module_exit - Module cleanup. | |
2688 | **/ | |
2689 | static void __exit | |
2690 | qla2x00_module_exit(void) | |
2691 | { | |
7ee61397 | 2692 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 2693 | qla2x00_release_firmware(); |
354d6b21 | 2694 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2695 | fc_release_transport(qla2xxx_transport_template); |
2696 | } | |
2697 | ||
2698 | module_init(qla2x00_module_init); | |
2699 | module_exit(qla2x00_module_exit); | |
2700 | ||
2701 | MODULE_AUTHOR("QLogic Corporation"); | |
2702 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2703 | MODULE_LICENSE("GPL"); | |
2704 | MODULE_VERSION(QLA2XXX_VERSION); |