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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 | ||
11010fec AV |
64 | int ql2xextended_error_logging; |
65 | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IRUSR); | |
66 | MODULE_PARM_DESC(ql2xextended_error_logging, | |
0181944f AV |
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 | ||
df7baa50 AV |
80 | #define MAX_Q_DEPTH 32 |
81 | static int ql2xmaxqdepth = MAX_Q_DEPTH; | |
82 | module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); | |
83 | MODULE_PARM_DESC(ql2xmaxqdepth, | |
84 | "Maximum queue depth to report for target devices."); | |
85 | ||
86 | int ql2xqfullrampup = 120; | |
87 | module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); | |
88 | MODULE_PARM_DESC(ql2xqfullrampup, | |
89 | "Number of seconds to wait to begin to ramp-up the queue " | |
90 | "depth for a device after a queue-full condition has been " | |
91 | "detected. Default is 120 seconds."); | |
92 | ||
1da177e4 | 93 | /* |
fa2a1ce5 | 94 | * SCSI host template entry points |
1da177e4 LT |
95 | */ |
96 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb | 97 | static int qla2xxx_slave_alloc(struct scsi_device *); |
1e99e33a AV |
98 | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); |
99 | static void qla2xxx_scan_start(struct Scsi_Host *); | |
f4f051eb | 100 | static void qla2xxx_slave_destroy(struct scsi_device *); |
1da177e4 LT |
101 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
102 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
103 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
104 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
105 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
106 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
107 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | |
108 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
109 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); | |
110 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); | |
111 | ||
ce7e4af7 AV |
112 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
113 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
114 | ||
1da177e4 LT |
115 | static struct scsi_host_template qla2x00_driver_template = { |
116 | .module = THIS_MODULE, | |
cb63067a | 117 | .name = QLA2XXX_DRIVER_NAME, |
1da177e4 LT |
118 | .queuecommand = qla2x00_queuecommand, |
119 | ||
120 | .eh_abort_handler = qla2xxx_eh_abort, | |
121 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
122 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
123 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
124 | ||
125 | .slave_configure = qla2xxx_slave_configure, | |
126 | ||
f4f051eb AV |
127 | .slave_alloc = qla2xxx_slave_alloc, |
128 | .slave_destroy = qla2xxx_slave_destroy, | |
1e99e33a AV |
129 | .scan_finished = qla2xxx_scan_finished, |
130 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
131 | .change_queue_depth = qla2x00_change_queue_depth, |
132 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
133 | .this_id = -1, |
134 | .cmd_per_lun = 3, | |
135 | .use_clustering = ENABLE_CLUSTERING, | |
136 | .sg_tablesize = SG_ALL, | |
137 | ||
138 | /* | |
139 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
140 | * which equates to 0x800000 sectors. | |
141 | */ | |
142 | .max_sectors = 0xFFFF, | |
afb046e2 | 143 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
144 | }; |
145 | ||
fca29703 AV |
146 | static struct scsi_host_template qla24xx_driver_template = { |
147 | .module = THIS_MODULE, | |
cb63067a | 148 | .name = QLA2XXX_DRIVER_NAME, |
fca29703 AV |
149 | .queuecommand = qla24xx_queuecommand, |
150 | ||
151 | .eh_abort_handler = qla2xxx_eh_abort, | |
152 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
153 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
154 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
155 | ||
156 | .slave_configure = qla2xxx_slave_configure, | |
157 | ||
158 | .slave_alloc = qla2xxx_slave_alloc, | |
159 | .slave_destroy = qla2xxx_slave_destroy, | |
ce7e4af7 AV |
160 | .change_queue_depth = qla2x00_change_queue_depth, |
161 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
162 | .this_id = -1, |
163 | .cmd_per_lun = 3, | |
164 | .use_clustering = ENABLE_CLUSTERING, | |
165 | .sg_tablesize = SG_ALL, | |
166 | ||
167 | .max_sectors = 0xFFFF, | |
afb046e2 | 168 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
169 | }; |
170 | ||
1da177e4 LT |
171 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
172 | ||
1da177e4 LT |
173 | /* TODO Convert to inlines |
174 | * | |
175 | * Timer routines | |
176 | */ | |
177 | #define WATCH_INTERVAL 1 /* number of seconds */ | |
178 | ||
179 | static void qla2x00_timer(scsi_qla_host_t *); | |
180 | ||
181 | static __inline__ void qla2x00_start_timer(scsi_qla_host_t *, | |
182 | void *, unsigned long); | |
183 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
184 | static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); | |
185 | ||
186 | static inline void | |
187 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) | |
188 | { | |
189 | init_timer(&ha->timer); | |
190 | ha->timer.expires = jiffies + interval * HZ; | |
191 | ha->timer.data = (unsigned long)ha; | |
192 | ha->timer.function = (void (*)(unsigned long))func; | |
193 | add_timer(&ha->timer); | |
194 | ha->timer_active = 1; | |
195 | } | |
196 | ||
197 | static inline void | |
198 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
199 | { | |
200 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
201 | } | |
202 | ||
203 | static __inline__ void | |
204 | qla2x00_stop_timer(scsi_qla_host_t *ha) | |
205 | { | |
206 | del_timer_sync(&ha->timer); | |
207 | ha->timer_active = 0; | |
208 | } | |
209 | ||
1da177e4 LT |
210 | static int qla2x00_do_dpc(void *data); |
211 | ||
212 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
213 | ||
214 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); | |
215 | static void qla2x00_mem_free(scsi_qla_host_t *ha); | |
216 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); | |
217 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb AV |
218 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
219 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 220 | |
1da177e4 LT |
221 | /* -------------------------------------------------------------------------- */ |
222 | ||
1da177e4 | 223 | static char * |
abbd8870 | 224 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
225 | { |
226 | static char *pci_bus_modes[] = { | |
227 | "33", "66", "100", "133", | |
228 | }; | |
229 | uint16_t pci_bus; | |
230 | ||
231 | strcpy(str, "PCI"); | |
232 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
233 | if (pci_bus) { | |
234 | strcat(str, "-X ("); | |
235 | strcat(str, pci_bus_modes[pci_bus]); | |
236 | } else { | |
237 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
238 | strcat(str, " ("); | |
239 | strcat(str, pci_bus_modes[pci_bus]); | |
240 | } | |
241 | strcat(str, " MHz)"); | |
242 | ||
243 | return (str); | |
244 | } | |
245 | ||
fca29703 AV |
246 | static char * |
247 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
248 | { | |
249 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
250 | uint32_t pci_bus; | |
251 | int pcie_reg; | |
252 | ||
253 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
254 | if (pcie_reg) { | |
255 | char lwstr[6]; | |
256 | uint16_t pcie_lstat, lspeed, lwidth; | |
257 | ||
258 | pcie_reg += 0x12; | |
259 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
260 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
261 | lwidth = (pcie_lstat & | |
262 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
263 | ||
264 | strcpy(str, "PCIe ("); | |
265 | if (lspeed == 1) | |
266 | strcat(str, "2.5Gb/s "); | |
267 | else | |
268 | strcat(str, "<unknown> "); | |
269 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
270 | strcat(str, lwstr); | |
271 | ||
272 | return str; | |
273 | } | |
274 | ||
275 | strcpy(str, "PCI"); | |
276 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
277 | if (pci_bus == 0 || pci_bus == 8) { | |
278 | strcat(str, " ("); | |
279 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
280 | } else { | |
281 | strcat(str, "-X "); | |
282 | if (pci_bus & BIT_2) | |
283 | strcat(str, "Mode 2"); | |
284 | else | |
285 | strcat(str, "Mode 1"); | |
286 | strcat(str, " ("); | |
287 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
288 | } | |
289 | strcat(str, " MHz)"); | |
290 | ||
291 | return str; | |
292 | } | |
293 | ||
e5f82ab8 | 294 | static char * |
abbd8870 | 295 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
296 | { |
297 | char un_str[10]; | |
fa2a1ce5 | 298 | |
1da177e4 LT |
299 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
300 | ha->fw_minor_version, | |
301 | ha->fw_subminor_version); | |
302 | ||
303 | if (ha->fw_attributes & BIT_9) { | |
304 | strcat(str, "FLX"); | |
305 | return (str); | |
306 | } | |
307 | ||
308 | switch (ha->fw_attributes & 0xFF) { | |
309 | case 0x7: | |
310 | strcat(str, "EF"); | |
311 | break; | |
312 | case 0x17: | |
313 | strcat(str, "TP"); | |
314 | break; | |
315 | case 0x37: | |
316 | strcat(str, "IP"); | |
317 | break; | |
318 | case 0x77: | |
319 | strcat(str, "VI"); | |
320 | break; | |
321 | default: | |
322 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
323 | strcat(str, un_str); | |
324 | break; | |
325 | } | |
326 | if (ha->fw_attributes & 0x100) | |
327 | strcat(str, "X"); | |
328 | ||
329 | return (str); | |
330 | } | |
331 | ||
e5f82ab8 | 332 | static char * |
fca29703 AV |
333 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
334 | { | |
f0883ac6 AV |
335 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
336 | ha->fw_minor_version, | |
337 | ha->fw_subminor_version); | |
338 | ||
fca29703 AV |
339 | if (ha->fw_attributes & BIT_0) |
340 | strcat(str, "[Class 2] "); | |
341 | if (ha->fw_attributes & BIT_1) | |
342 | strcat(str, "[IP] "); | |
343 | if (ha->fw_attributes & BIT_2) | |
344 | strcat(str, "[Multi-ID] "); | |
345 | if (ha->fw_attributes & BIT_13) | |
346 | strcat(str, "[Experimental]"); | |
347 | return str; | |
fca29703 AV |
348 | } |
349 | ||
350 | static inline srb_t * | |
351 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
352 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
353 | { | |
354 | srb_t *sp; | |
355 | ||
356 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
357 | if (!sp) | |
358 | return sp; | |
359 | ||
fca29703 AV |
360 | sp->ha = ha; |
361 | sp->fcport = fcport; | |
362 | sp->cmd = cmd; | |
363 | sp->flags = 0; | |
364 | CMD_SP(cmd) = (void *)sp; | |
365 | cmd->scsi_done = done; | |
366 | ||
367 | return sp; | |
368 | } | |
369 | ||
1da177e4 | 370 | static int |
f4f051eb | 371 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 372 | { |
f4f051eb | 373 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 374 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 375 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb AV |
376 | srb_t *sp; |
377 | int rval; | |
1da177e4 | 378 | |
19a7b4ae JSEC |
379 | rval = fc_remote_port_chkready(rport); |
380 | if (rval) { | |
381 | cmd->result = rval; | |
f4f051eb AV |
382 | goto qc_fail_command; |
383 | } | |
1da177e4 | 384 | |
387f96b4 AV |
385 | /* Close window on fcport/rport state-transitioning. */ |
386 | if (!*(fc_port_t **)rport->dd_data) { | |
387 | cmd->result = DID_IMM_RETRY << 16; | |
388 | goto qc_fail_command; | |
389 | } | |
390 | ||
f4f051eb AV |
391 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
392 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
393 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
394 | cmd->result = DID_NO_CONNECT << 16; | |
395 | goto qc_fail_command; | |
396 | } | |
397 | goto qc_host_busy; | |
398 | } | |
1da177e4 LT |
399 | |
400 | spin_unlock_irq(ha->host->host_lock); | |
401 | ||
fca29703 AV |
402 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
403 | if (!sp) | |
f4f051eb | 404 | goto qc_host_busy_lock; |
1da177e4 | 405 | |
f4f051eb AV |
406 | rval = qla2x00_start_scsi(sp); |
407 | if (rval != QLA_SUCCESS) | |
408 | goto qc_host_busy_free_sp; | |
1da177e4 | 409 | |
f4f051eb | 410 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 411 | |
f4f051eb | 412 | return 0; |
1da177e4 | 413 | |
f4f051eb AV |
414 | qc_host_busy_free_sp: |
415 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 416 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 417 | |
f4f051eb AV |
418 | qc_host_busy_lock: |
419 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 420 | |
f4f051eb AV |
421 | qc_host_busy: |
422 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 423 | |
f4f051eb AV |
424 | qc_fail_command: |
425 | done(cmd); | |
1da177e4 | 426 | |
f4f051eb | 427 | return 0; |
1da177e4 LT |
428 | } |
429 | ||
fca29703 AV |
430 | |
431 | static int | |
432 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
433 | { | |
434 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
435 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
19a7b4ae | 436 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
437 | srb_t *sp; |
438 | int rval; | |
439 | ||
19a7b4ae JSEC |
440 | rval = fc_remote_port_chkready(rport); |
441 | if (rval) { | |
442 | cmd->result = rval; | |
fca29703 AV |
443 | goto qc24_fail_command; |
444 | } | |
445 | ||
387f96b4 AV |
446 | /* Close window on fcport/rport state-transitioning. */ |
447 | if (!*(fc_port_t **)rport->dd_data) { | |
448 | cmd->result = DID_IMM_RETRY << 16; | |
449 | goto qc24_fail_command; | |
450 | } | |
451 | ||
fca29703 AV |
452 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
453 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
454 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
455 | cmd->result = DID_NO_CONNECT << 16; | |
456 | goto qc24_fail_command; | |
457 | } | |
458 | goto qc24_host_busy; | |
459 | } | |
460 | ||
461 | spin_unlock_irq(ha->host->host_lock); | |
462 | ||
463 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); | |
464 | if (!sp) | |
465 | goto qc24_host_busy_lock; | |
466 | ||
467 | rval = qla24xx_start_scsi(sp); | |
468 | if (rval != QLA_SUCCESS) | |
469 | goto qc24_host_busy_free_sp; | |
470 | ||
471 | spin_lock_irq(ha->host->host_lock); | |
472 | ||
473 | return 0; | |
474 | ||
475 | qc24_host_busy_free_sp: | |
476 | qla2x00_sp_free_dma(ha, sp); | |
477 | mempool_free(sp, ha->srb_mempool); | |
478 | ||
479 | qc24_host_busy_lock: | |
480 | spin_lock_irq(ha->host->host_lock); | |
481 | ||
482 | qc24_host_busy: | |
483 | return SCSI_MLQUEUE_HOST_BUSY; | |
484 | ||
485 | qc24_fail_command: | |
486 | done(cmd); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | ||
1da177e4 LT |
492 | /* |
493 | * qla2x00_eh_wait_on_command | |
494 | * Waits for the command to be returned by the Firmware for some | |
495 | * max time. | |
496 | * | |
497 | * Input: | |
498 | * ha = actual ha whose done queue will contain the command | |
499 | * returned by firmware. | |
500 | * cmd = Scsi Command to wait on. | |
501 | * flag = Abort/Reset(Bus or Device Reset) | |
502 | * | |
503 | * Return: | |
504 | * Not Found : 0 | |
505 | * Found : 1 | |
506 | */ | |
507 | static int | |
508 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
509 | { | |
fe74c71f AV |
510 | #define ABORT_POLLING_PERIOD 1000 |
511 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
512 | unsigned long wait_iter = ABORT_WAIT_ITER; |
513 | int ret = QLA_SUCCESS; | |
1da177e4 | 514 | |
f4f051eb | 515 | while (CMD_SP(cmd)) { |
fe74c71f | 516 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 517 | |
f4f051eb AV |
518 | if (--wait_iter) |
519 | break; | |
520 | } | |
521 | if (CMD_SP(cmd)) | |
522 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 523 | |
f4f051eb | 524 | return ret; |
1da177e4 LT |
525 | } |
526 | ||
527 | /* | |
528 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 529 | * Wait till the HBA is online after going through |
1da177e4 LT |
530 | * <= MAX_RETRIES_OF_ISP_ABORT or |
531 | * finally HBA is disabled ie marked offline | |
532 | * | |
533 | * Input: | |
534 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
535 | * |
536 | * Note: | |
1da177e4 LT |
537 | * Does context switching-Release SPIN_LOCK |
538 | * (if any) before calling this routine. | |
539 | * | |
540 | * Return: | |
541 | * Success (Adapter is online) : 0 | |
542 | * Failed (Adapter is offline/disabled) : 1 | |
543 | */ | |
854165f4 | 544 | int |
1da177e4 LT |
545 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
546 | { | |
fca29703 AV |
547 | int return_status; |
548 | unsigned long wait_online; | |
1da177e4 | 549 | |
fa2a1ce5 | 550 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
551 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
552 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || | |
553 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || | |
554 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
555 | ||
556 | msleep(1000); | |
557 | } | |
fa2a1ce5 AV |
558 | if (ha->flags.online) |
559 | return_status = QLA_SUCCESS; | |
1da177e4 LT |
560 | else |
561 | return_status = QLA_FUNCTION_FAILED; | |
562 | ||
563 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
564 | ||
565 | return (return_status); | |
566 | } | |
567 | ||
568 | /* | |
569 | * qla2x00_wait_for_loop_ready | |
570 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 571 | * to be in LOOP_READY state. |
1da177e4 LT |
572 | * Input: |
573 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
574 | * |
575 | * Note: | |
1da177e4 LT |
576 | * Does context switching-Release SPIN_LOCK |
577 | * (if any) before calling this routine. | |
fa2a1ce5 | 578 | * |
1da177e4 LT |
579 | * |
580 | * Return: | |
581 | * Success (LOOP_READY) : 0 | |
582 | * Failed (LOOP_NOT_READY) : 1 | |
583 | */ | |
fa2a1ce5 | 584 | static inline int |
1da177e4 LT |
585 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
586 | { | |
587 | int return_status = QLA_SUCCESS; | |
588 | unsigned long loop_timeout ; | |
589 | ||
590 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 591 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 LT |
592 | |
593 | while ((!atomic_read(&ha->loop_down_timer) && | |
594 | atomic_read(&ha->loop_state) == LOOP_DOWN) || | |
1da177e4 | 595 | atomic_read(&ha->loop_state) != LOOP_READY) { |
57680080 RA |
596 | if (atomic_read(&ha->loop_state) == LOOP_DEAD) { |
597 | return_status = QLA_FUNCTION_FAILED; | |
598 | break; | |
599 | } | |
1da177e4 LT |
600 | msleep(1000); |
601 | if (time_after_eq(jiffies, loop_timeout)) { | |
602 | return_status = QLA_FUNCTION_FAILED; | |
603 | break; | |
604 | } | |
605 | } | |
fa2a1ce5 | 606 | return (return_status); |
1da177e4 LT |
607 | } |
608 | ||
07db5183 AV |
609 | static void |
610 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) | |
611 | { | |
612 | struct Scsi_Host *shost = cmnd->device->host; | |
613 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); | |
614 | unsigned long flags; | |
615 | ||
616 | spin_lock_irqsave(shost->host_lock, flags); | |
617 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { | |
618 | spin_unlock_irqrestore(shost->host_lock, flags); | |
619 | msleep(1000); | |
620 | spin_lock_irqsave(shost->host_lock, flags); | |
621 | } | |
622 | spin_unlock_irqrestore(shost->host_lock, flags); | |
623 | return; | |
624 | } | |
625 | ||
1da177e4 LT |
626 | /************************************************************************** |
627 | * qla2xxx_eh_abort | |
628 | * | |
629 | * Description: | |
630 | * The abort function will abort the specified command. | |
631 | * | |
632 | * Input: | |
633 | * cmd = Linux SCSI command packet to be aborted. | |
634 | * | |
635 | * Returns: | |
636 | * Either SUCCESS or FAILED. | |
637 | * | |
638 | * Note: | |
2ea00202 | 639 | * Only return FAILED if command not returned by firmware. |
1da177e4 | 640 | **************************************************************************/ |
e5f82ab8 | 641 | static int |
1da177e4 LT |
642 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
643 | { | |
f4f051eb AV |
644 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
645 | srb_t *sp; | |
646 | int ret, i; | |
647 | unsigned int id, lun; | |
648 | unsigned long serial; | |
18e144d3 | 649 | unsigned long flags; |
2ea00202 | 650 | int wait = 0; |
1da177e4 | 651 | |
07db5183 AV |
652 | qla2x00_block_error_handler(cmd); |
653 | ||
f4f051eb | 654 | if (!CMD_SP(cmd)) |
2ea00202 | 655 | return SUCCESS; |
1da177e4 | 656 | |
2ea00202 | 657 | ret = SUCCESS; |
1da177e4 | 658 | |
f4f051eb AV |
659 | id = cmd->device->id; |
660 | lun = cmd->device->lun; | |
661 | serial = cmd->serial_number; | |
1da177e4 | 662 | |
f4f051eb | 663 | /* Check active list for command command. */ |
18e144d3 | 664 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb AV |
665 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
666 | sp = ha->outstanding_cmds[i]; | |
1da177e4 | 667 | |
f4f051eb AV |
668 | if (sp == NULL) |
669 | continue; | |
1da177e4 | 670 | |
f4f051eb AV |
671 | if (sp->cmd != cmd) |
672 | continue; | |
1da177e4 | 673 | |
75bc4190 AV |
674 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
675 | __func__, ha->host_no, sp, serial)); | |
744f11fd | 676 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
1da177e4 | 677 | |
18e144d3 | 678 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
abbd8870 | 679 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
680 | DEBUG2(printk("%s(%ld): abort_command " |
681 | "mbx failed.\n", __func__, ha->host_no)); | |
682 | } else { | |
683 | DEBUG3(printk("%s(%ld): abort_command " | |
684 | "mbx success.\n", __func__, ha->host_no)); | |
2ea00202 | 685 | wait = 1; |
f4f051eb | 686 | } |
18e144d3 | 687 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 688 | |
f4f051eb AV |
689 | break; |
690 | } | |
18e144d3 | 691 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 692 | |
f4f051eb | 693 | /* Wait for the command to be returned. */ |
2ea00202 | 694 | if (wait) { |
f4f051eb | 695 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 696 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
697 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
698 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
2ea00202 | 699 | ret = FAILED; |
f4f051eb | 700 | } |
1da177e4 | 701 | } |
1da177e4 | 702 | |
fa2a1ce5 | 703 | qla_printk(KERN_INFO, ha, |
2ea00202 MR |
704 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
705 | ha->host_no, id, lun, wait, serial, ret); | |
1da177e4 | 706 | |
f4f051eb AV |
707 | return ret; |
708 | } | |
1da177e4 | 709 | |
f4f051eb AV |
710 | /************************************************************************** |
711 | * qla2x00_eh_wait_for_pending_target_commands | |
712 | * | |
713 | * Description: | |
714 | * Waits for all the commands to come back from the specified target. | |
715 | * | |
716 | * Input: | |
717 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 718 | * t - target |
f4f051eb AV |
719 | * Returns: |
720 | * Either SUCCESS or FAILED. | |
721 | * | |
722 | * Note: | |
723 | **************************************************************************/ | |
724 | static int | |
725 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
726 | { | |
727 | int cnt; | |
728 | int status; | |
729 | srb_t *sp; | |
730 | struct scsi_cmnd *cmd; | |
18e144d3 | 731 | unsigned long flags; |
1da177e4 | 732 | |
f4f051eb | 733 | status = 0; |
1da177e4 LT |
734 | |
735 | /* | |
f4f051eb AV |
736 | * Waiting for all commands for the designated target in the active |
737 | * array | |
1da177e4 LT |
738 | */ |
739 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 740 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
741 | sp = ha->outstanding_cmds[cnt]; |
742 | if (sp) { | |
743 | cmd = sp->cmd; | |
18e144d3 | 744 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
745 | if (cmd->device->id == t) { |
746 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { | |
747 | status = 1; | |
748 | break; | |
749 | } | |
750 | } | |
f4f051eb | 751 | } else { |
18e144d3 | 752 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
753 | } |
754 | } | |
755 | return (status); | |
756 | } | |
757 | ||
758 | ||
759 | /************************************************************************** | |
760 | * qla2xxx_eh_device_reset | |
761 | * | |
762 | * Description: | |
763 | * The device reset function will reset the target and abort any | |
764 | * executing commands. | |
765 | * | |
766 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 767 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
768 | * non-null. |
769 | * | |
770 | * Input: | |
771 | * cmd = Linux SCSI command packet of the command that cause the | |
772 | * bus device reset. | |
773 | * | |
774 | * Returns: | |
775 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
776 | * | |
777 | **************************************************************************/ | |
e5f82ab8 | 778 | static int |
1da177e4 LT |
779 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
780 | { | |
f4f051eb | 781 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 782 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
783 | int ret; |
784 | unsigned int id, lun; | |
785 | unsigned long serial; | |
1da177e4 | 786 | |
07db5183 AV |
787 | qla2x00_block_error_handler(cmd); |
788 | ||
f4f051eb | 789 | ret = FAILED; |
1da177e4 | 790 | |
f4f051eb AV |
791 | id = cmd->device->id; |
792 | lun = cmd->device->lun; | |
793 | serial = cmd->serial_number; | |
1da177e4 | 794 | |
b0328bee | 795 | if (!fcport) |
f4f051eb | 796 | return ret; |
1da177e4 LT |
797 | |
798 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 799 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 800 | |
94d0e7b8 | 801 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 802 | goto eh_dev_reset_done; |
1da177e4 LT |
803 | |
804 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
805 | if (qla2x00_device_reset(ha, fcport) == 0) |
806 | ret = SUCCESS; | |
1da177e4 LT |
807 | |
808 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
809 | if (ret == SUCCESS) { |
810 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 811 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
d97994dc | 812 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
813 | } |
814 | } | |
815 | #endif | |
816 | } else { | |
817 | DEBUG2(printk(KERN_INFO | |
744f11fd | 818 | "%s failed: loop not ready\n",__func__)); |
1da177e4 LT |
819 | } |
820 | ||
f4f051eb | 821 | if (ret == FAILED) { |
1da177e4 LT |
822 | DEBUG3(printk("%s(%ld): device reset failed\n", |
823 | __func__, ha->host_no)); | |
824 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
825 | __func__); | |
826 | ||
827 | goto eh_dev_reset_done; | |
828 | } | |
829 | ||
9a41a62b AV |
830 | /* Flush outstanding commands. */ |
831 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
832 | ret = FAILED; | |
833 | if (ret == FAILED) { | |
834 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
835 | __func__, ha->host_no)); | |
836 | qla_printk(KERN_INFO, ha, | |
837 | "%s: failed while waiting for commands\n", __func__); | |
838 | } else | |
839 | qla_printk(KERN_INFO, ha, | |
840 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
841 | id, lun); | |
28f22b03 | 842 | eh_dev_reset_done: |
f4f051eb | 843 | return ret; |
1da177e4 LT |
844 | } |
845 | ||
846 | /************************************************************************** | |
847 | * qla2x00_eh_wait_for_pending_commands | |
848 | * | |
849 | * Description: | |
850 | * Waits for all the commands to come back from the specified host. | |
851 | * | |
852 | * Input: | |
853 | * ha - pointer to scsi_qla_host structure. | |
854 | * | |
855 | * Returns: | |
856 | * 1 : SUCCESS | |
857 | * 0 : FAILED | |
858 | * | |
859 | * Note: | |
860 | **************************************************************************/ | |
861 | static int | |
862 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
863 | { | |
864 | int cnt; | |
865 | int status; | |
866 | srb_t *sp; | |
867 | struct scsi_cmnd *cmd; | |
18e144d3 | 868 | unsigned long flags; |
1da177e4 LT |
869 | |
870 | status = 1; | |
871 | ||
872 | /* | |
873 | * Waiting for all commands for the designated target in the active | |
874 | * array | |
875 | */ | |
876 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 877 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
878 | sp = ha->outstanding_cmds[cnt]; |
879 | if (sp) { | |
880 | cmd = sp->cmd; | |
18e144d3 | 881 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
882 | status = qla2x00_eh_wait_on_command(ha, cmd); |
883 | if (status == 0) | |
884 | break; | |
885 | } | |
886 | else { | |
18e144d3 | 887 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
888 | } |
889 | } | |
890 | return (status); | |
891 | } | |
892 | ||
893 | ||
894 | /************************************************************************** | |
895 | * qla2xxx_eh_bus_reset | |
896 | * | |
897 | * Description: | |
898 | * The bus reset function will reset the bus and abort any executing | |
899 | * commands. | |
900 | * | |
901 | * Input: | |
902 | * cmd = Linux SCSI command packet of the command that cause the | |
903 | * bus reset. | |
904 | * | |
905 | * Returns: | |
906 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
907 | * | |
908 | **************************************************************************/ | |
e5f82ab8 | 909 | static int |
1da177e4 LT |
910 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
911 | { | |
f4f051eb | 912 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 913 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
914 | int ret; |
915 | unsigned int id, lun; | |
916 | unsigned long serial; | |
917 | ||
07db5183 AV |
918 | qla2x00_block_error_handler(cmd); |
919 | ||
f4f051eb AV |
920 | ret = FAILED; |
921 | ||
922 | id = cmd->device->id; | |
923 | lun = cmd->device->lun; | |
924 | serial = cmd->serial_number; | |
1da177e4 | 925 | |
b0328bee | 926 | if (!fcport) |
f4f051eb | 927 | return ret; |
1da177e4 LT |
928 | |
929 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 930 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 931 | |
1da177e4 LT |
932 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
933 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 934 | goto eh_bus_reset_done; |
1da177e4 LT |
935 | } |
936 | ||
937 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
938 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
939 | ret = SUCCESS; | |
1da177e4 | 940 | } |
f4f051eb AV |
941 | if (ret == FAILED) |
942 | goto eh_bus_reset_done; | |
1da177e4 | 943 | |
9a41a62b AV |
944 | /* Flush outstanding commands. */ |
945 | if (!qla2x00_eh_wait_for_pending_commands(ha)) | |
946 | ret = FAILED; | |
1da177e4 | 947 | |
f4f051eb | 948 | eh_bus_reset_done: |
1da177e4 | 949 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 950 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 951 | |
f4f051eb | 952 | return ret; |
1da177e4 LT |
953 | } |
954 | ||
955 | /************************************************************************** | |
956 | * qla2xxx_eh_host_reset | |
957 | * | |
958 | * Description: | |
959 | * The reset function will reset the Adapter. | |
960 | * | |
961 | * Input: | |
962 | * cmd = Linux SCSI command packet of the command that cause the | |
963 | * adapter reset. | |
964 | * | |
965 | * Returns: | |
966 | * Either SUCCESS or FAILED. | |
967 | * | |
968 | * Note: | |
969 | **************************************************************************/ | |
e5f82ab8 | 970 | static int |
1da177e4 LT |
971 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
972 | { | |
f4f051eb | 973 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 974 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
f4f051eb AV |
975 | int ret; |
976 | unsigned int id, lun; | |
977 | unsigned long serial; | |
1da177e4 | 978 | |
07db5183 AV |
979 | qla2x00_block_error_handler(cmd); |
980 | ||
f4f051eb AV |
981 | ret = FAILED; |
982 | ||
983 | id = cmd->device->id; | |
984 | lun = cmd->device->lun; | |
985 | serial = cmd->serial_number; | |
986 | ||
b0328bee | 987 | if (!fcport) |
f4f051eb | 988 | return ret; |
1da177e4 | 989 | |
1da177e4 | 990 | qla_printk(KERN_INFO, ha, |
f4f051eb | 991 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 992 | |
1da177e4 | 993 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 994 | goto eh_host_reset_lock; |
1da177e4 LT |
995 | |
996 | /* | |
997 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 998 | * loop_resync,so wait a while for it to |
1da177e4 LT |
999 | * be completed and then issue big hammer.Otherwise |
1000 | * it may cause I/O failure as big hammer marks the | |
1001 | * devices as lost kicking of the port_down_timer | |
1002 | * while dpc is stuck for the mailbox to complete. | |
1003 | */ | |
1da177e4 LT |
1004 | qla2x00_wait_for_loop_ready(ha); |
1005 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
1006 | if (qla2x00_abort_isp(ha)) { | |
1007 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
1008 | /* failed. schedule dpc to try */ | |
1009 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1010 | ||
1011 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 1012 | goto eh_host_reset_lock; |
fa2a1ce5 | 1013 | } |
1da177e4 LT |
1014 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
1015 | ||
1da177e4 | 1016 | /* Waiting for our command in done_queue to be returned to OS.*/ |
f4f051eb AV |
1017 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
1018 | ret = SUCCESS; | |
1da177e4 | 1019 | |
f4f051eb | 1020 | eh_host_reset_lock: |
f4f051eb AV |
1021 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1022 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1023 | |
f4f051eb AV |
1024 | return ret; |
1025 | } | |
1da177e4 LT |
1026 | |
1027 | /* | |
1028 | * qla2x00_loop_reset | |
1029 | * Issue loop reset. | |
1030 | * | |
1031 | * Input: | |
1032 | * ha = adapter block pointer. | |
1033 | * | |
1034 | * Returns: | |
1035 | * 0 = success | |
1036 | */ | |
1037 | static int | |
1038 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
1039 | { | |
1040 | int status = QLA_SUCCESS; | |
bdf79621 | 1041 | struct fc_port *fcport; |
1da177e4 LT |
1042 | |
1043 | if (ha->flags.enable_lip_reset) { | |
1044 | status = qla2x00_lip_reset(ha); | |
1045 | } | |
1046 | ||
1047 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { | |
bdf79621 AV |
1048 | list_for_each_entry(fcport, &ha->fcports, list) { |
1049 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1050 | continue; |
1051 | ||
c00c72ae | 1052 | status = qla2x00_device_reset(ha, fcport); |
bdf79621 | 1053 | if (status != QLA_SUCCESS) |
1da177e4 | 1054 | break; |
1da177e4 LT |
1055 | } |
1056 | } | |
1057 | ||
1058 | if (status == QLA_SUCCESS && | |
fa2a1ce5 | 1059 | ((!ha->flags.enable_target_reset && |
1da177e4 LT |
1060 | !ha->flags.enable_lip_reset) || |
1061 | ha->flags.enable_lip_full_login)) { | |
1062 | ||
1063 | status = qla2x00_full_login_lip(ha); | |
1064 | } | |
1065 | ||
1066 | /* Issue marker command only when we are going to start the I/O */ | |
1067 | ha->marker_needed = 1; | |
1068 | ||
1069 | if (status) { | |
1070 | /* Empty */ | |
1071 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", | |
1072 | __func__, | |
744f11fd | 1073 | ha->host_no)); |
1da177e4 LT |
1074 | } else { |
1075 | /* Empty */ | |
1076 | DEBUG3(printk("%s(%ld): exiting normally.\n", | |
1077 | __func__, | |
744f11fd | 1078 | ha->host_no)); |
1da177e4 LT |
1079 | } |
1080 | ||
1081 | return(status); | |
1082 | } | |
1083 | ||
1084 | /* | |
1085 | * qla2x00_device_reset | |
1086 | * Issue bus device reset message to the target. | |
1087 | * | |
1088 | * Input: | |
1089 | * ha = adapter block pointer. | |
1090 | * t = SCSI ID. | |
1091 | * TARGET_QUEUE_LOCK must be released. | |
1092 | * ADAPTER_STATE_LOCK must be released. | |
1093 | * | |
1094 | * Context: | |
1095 | * Kernel context. | |
1096 | */ | |
1097 | static int | |
1098 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1099 | { | |
1100 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1101 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1102 | } |
1103 | ||
f4f051eb AV |
1104 | static int |
1105 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1106 | { |
bdf79621 | 1107 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1108 | |
19a7b4ae | 1109 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1110 | return -ENXIO; |
bdf79621 | 1111 | |
19a7b4ae | 1112 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1113 | |
f4f051eb AV |
1114 | return 0; |
1115 | } | |
1da177e4 | 1116 | |
f4f051eb AV |
1117 | static int |
1118 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1119 | { | |
8482e118 AV |
1120 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1121 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1122 | ||
f4f051eb | 1123 | if (sdev->tagged_supported) |
df7baa50 | 1124 | scsi_activate_tcq(sdev, ha->max_q_depth); |
f4f051eb | 1125 | else |
df7baa50 | 1126 | scsi_deactivate_tcq(sdev, ha->max_q_depth); |
1da177e4 | 1127 | |
8482e118 AV |
1128 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1129 | ||
f4f051eb AV |
1130 | return 0; |
1131 | } | |
1da177e4 | 1132 | |
f4f051eb AV |
1133 | static void |
1134 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1135 | { | |
1136 | sdev->hostdata = NULL; | |
1da177e4 LT |
1137 | } |
1138 | ||
ce7e4af7 AV |
1139 | static int |
1140 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1141 | { | |
1142 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1143 | return sdev->queue_depth; | |
1144 | } | |
1145 | ||
1146 | static int | |
1147 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1148 | { | |
1149 | if (sdev->tagged_supported) { | |
1150 | scsi_set_tag_type(sdev, tag_type); | |
1151 | if (tag_type) | |
1152 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1153 | else | |
1154 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1155 | } else | |
1156 | tag_type = 0; | |
1157 | ||
1158 | return tag_type; | |
1159 | } | |
1160 | ||
1da177e4 LT |
1161 | /** |
1162 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1163 | * @ha: HA context | |
1164 | * | |
1165 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1166 | * supported addressing method. | |
1167 | */ | |
1168 | static void | |
1169 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1170 | { | |
7524f9b9 | 1171 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1172 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1173 | |
7524f9b9 AV |
1174 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1175 | /* Any upper-dword bits set? */ | |
1176 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1177 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1178 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1179 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1180 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1181 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1182 | return; |
1da177e4 | 1183 | } |
1da177e4 | 1184 | } |
7524f9b9 AV |
1185 | |
1186 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1187 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1188 | } |
1189 | ||
ea5b6382 AV |
1190 | static inline void |
1191 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) | |
1192 | { | |
1193 | ha->device_type = DT_EXTENDED_IDS; | |
1194 | switch (ha->pdev->device) { | |
1195 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1196 | ha->device_type |= DT_ISP2100; | |
1197 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1198 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1199 | break; |
1200 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1201 | ha->device_type |= DT_ISP2200; | |
1202 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1203 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1204 | break; |
1205 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1206 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1207 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1208 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1209 | break; |
1210 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1211 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1212 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1213 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1214 | break; |
1215 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1216 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1217 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 AV |
1218 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1219 | ha->pdev->subsystem_device == 0x0170) | |
1220 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1221 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1222 | break; |
1223 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1224 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1225 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1226 | break; |
1227 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1228 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1229 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1230 | break; |
1231 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1232 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1233 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1234 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1235 | break; |
1236 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1237 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1238 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1239 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1240 | break; |
044cc6c8 AV |
1241 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1242 | ha->device_type |= DT_ISP5422; | |
441d1072 | 1243 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1244 | break; |
044cc6c8 AV |
1245 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1246 | ha->device_type |= DT_ISP5432; | |
441d1072 | 1247 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1248 | break; |
1249 | } | |
1250 | } | |
1251 | ||
1da177e4 LT |
1252 | static int |
1253 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1254 | { | |
1255 | unsigned long pio, pio_len, pio_flags; | |
1256 | unsigned long mmio, mmio_len, mmio_flags; | |
1257 | ||
1258 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1259 | pio = pci_resource_start(ha->pdev, 0); | |
1260 | pio_len = pci_resource_len(ha->pdev, 0); | |
1261 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1262 | if (pio_flags & IORESOURCE_IO) { | |
1263 | if (pio_len < MIN_IOBASE_LEN) { | |
1264 | qla_printk(KERN_WARNING, ha, | |
1265 | "Invalid PCI I/O region size (%s)...\n", | |
1266 | pci_name(ha->pdev)); | |
1267 | pio = 0; | |
1268 | } | |
1269 | } else { | |
1270 | qla_printk(KERN_WARNING, ha, | |
1271 | "region #0 not a PIO resource (%s)...\n", | |
1272 | pci_name(ha->pdev)); | |
1273 | pio = 0; | |
1274 | } | |
1275 | ||
1276 | /* Use MMIO operations for all accesses. */ | |
1277 | mmio = pci_resource_start(ha->pdev, 1); | |
1278 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1279 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1280 | ||
1281 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1282 | qla_printk(KERN_ERR, ha, | |
1283 | "region #0 not an MMIO resource (%s), aborting\n", | |
1284 | pci_name(ha->pdev)); | |
1285 | goto iospace_error_exit; | |
1286 | } | |
1287 | if (mmio_len < MIN_IOBASE_LEN) { | |
1288 | qla_printk(KERN_ERR, ha, | |
1289 | "Invalid PCI mem region size (%s), aborting\n", | |
1290 | pci_name(ha->pdev)); | |
1291 | goto iospace_error_exit; | |
1292 | } | |
1293 | ||
cb63067a | 1294 | if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { |
1da177e4 LT |
1295 | qla_printk(KERN_WARNING, ha, |
1296 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1297 | pci_name(ha->pdev)); | |
1298 | ||
1299 | goto iospace_error_exit; | |
1300 | } | |
1301 | ||
1302 | ha->pio_address = pio; | |
1303 | ha->pio_length = pio_len; | |
1304 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1305 | if (!ha->iobase) { | |
1306 | qla_printk(KERN_ERR, ha, | |
1307 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1308 | ||
1309 | goto iospace_error_exit; | |
1310 | } | |
1311 | ||
1312 | return (0); | |
1313 | ||
1314 | iospace_error_exit: | |
1315 | return (-ENOMEM); | |
1316 | } | |
1317 | ||
abbd8870 AV |
1318 | static void |
1319 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1320 | { | |
1321 | unsigned long flags = 0; | |
3d71644c | 1322 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1323 | |
1324 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1325 | ha->interrupts_on = 1; | |
1326 | /* enable risc and host interrupts */ | |
1327 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1328 | RD_REG_WORD(®->ictrl); | |
1329 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1330 | ||
1331 | } | |
1332 | ||
1333 | static void | |
1334 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1335 | { | |
1336 | unsigned long flags = 0; | |
3d71644c | 1337 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1338 | |
1339 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1340 | ha->interrupts_on = 0; | |
1341 | /* disable risc and host interrupts */ | |
1342 | WRT_REG_WORD(®->ictrl, 0); | |
1343 | RD_REG_WORD(®->ictrl); | |
1344 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1345 | } | |
1346 | ||
fca29703 AV |
1347 | static void |
1348 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1349 | { | |
1350 | unsigned long flags = 0; | |
1351 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1352 | ||
1353 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1354 | ha->interrupts_on = 1; | |
1355 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1356 | RD_REG_DWORD(®->ictrl); | |
1357 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1358 | } | |
1359 | ||
1360 | static void | |
1361 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1362 | { | |
1363 | unsigned long flags = 0; | |
1364 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1365 | ||
1366 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1367 | ha->interrupts_on = 0; | |
1368 | WRT_REG_DWORD(®->ictrl, 0); | |
1369 | RD_REG_DWORD(®->ictrl); | |
1370 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1371 | } | |
1372 | ||
1e99e33a AV |
1373 | static void |
1374 | qla2xxx_scan_start(struct Scsi_Host *shost) | |
1375 | { | |
1376 | scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; | |
1377 | ||
1378 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
1379 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1380 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1381 | } | |
1382 | ||
1383 | static int | |
1384 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1385 | { | |
1386 | scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; | |
1387 | ||
1388 | if (!ha->host) | |
1389 | return 1; | |
1390 | if (time > ha->loop_reset_delay * HZ) | |
1391 | return 1; | |
1392 | ||
1393 | return atomic_read(&ha->loop_state) == LOOP_READY; | |
1394 | } | |
1395 | ||
1da177e4 LT |
1396 | /* |
1397 | * PCI driver interface | |
1398 | */ | |
7ee61397 AV |
1399 | static int __devinit |
1400 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1401 | { |
a1541d5a | 1402 | int ret = -ENODEV; |
fca29703 | 1403 | device_reg_t __iomem *reg; |
1da177e4 LT |
1404 | struct Scsi_Host *host; |
1405 | scsi_qla_host_t *ha; | |
1406 | unsigned long flags = 0; | |
1da177e4 LT |
1407 | char pci_info[20]; |
1408 | char fw_str[30]; | |
5433383e | 1409 | struct scsi_host_template *sht; |
1da177e4 LT |
1410 | |
1411 | if (pci_enable_device(pdev)) | |
a1541d5a | 1412 | goto probe_out; |
1da177e4 | 1413 | |
5433383e AV |
1414 | sht = &qla2x00_driver_template; |
1415 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
1416 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432) | |
1417 | sht = &qla24xx_driver_template; | |
1418 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1419 | if (host == NULL) { |
1420 | printk(KERN_WARNING | |
1421 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1422 | goto probe_disable_device; | |
1423 | } | |
1424 | ||
1425 | /* Clear our data area */ | |
1426 | ha = (scsi_qla_host_t *)host->hostdata; | |
1427 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1428 | ||
1429 | ha->pdev = pdev; | |
1430 | ha->host = host; | |
1431 | ha->host_no = host->host_no; | |
cb63067a | 1432 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
1da177e4 | 1433 | |
ea5b6382 AV |
1434 | /* Set ISP-type information. */ |
1435 | qla2x00_set_isp_flags(ha); | |
1436 | ||
1da177e4 LT |
1437 | /* Configure PCI I/O space */ |
1438 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1439 | if (ret) |
1440 | goto probe_failed; | |
1da177e4 | 1441 | |
1da177e4 | 1442 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1443 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1444 | ha->iobase); | |
1da177e4 LT |
1445 | |
1446 | spin_lock_init(&ha->hardware_lock); | |
1447 | ||
1da177e4 | 1448 | ha->prev_topology = 0; |
fca29703 | 1449 | ha->init_cb_size = sizeof(init_cb_t); |
cca5335c | 1450 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
d8b45213 | 1451 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1452 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1453 | |
df7baa50 AV |
1454 | ha->max_q_depth = MAX_Q_DEPTH; |
1455 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | |
1456 | ha->max_q_depth = ql2xmaxqdepth; | |
1457 | ||
abbd8870 AV |
1458 | /* Assign ISP specific operations. */ |
1459 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1460 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1461 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1462 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1463 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1464 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1465 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1466 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1467 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1468 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1469 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1470 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1471 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1472 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1473 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1474 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1475 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1476 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1477 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1478 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1479 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1480 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1481 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 | 1482 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
854165f4 AV |
1483 | ha->isp_ops.read_optrom = qla2x00_read_optrom_data; |
1484 | ha->isp_ops.write_optrom = qla2x00_write_optrom_data; | |
1da177e4 | 1485 | if (IS_QLA2100(ha)) { |
354d6b21 | 1486 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1487 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1488 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1489 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1490 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1491 | host->sg_tablesize = 32; | |
abbd8870 | 1492 | ha->gid_list_info_size = 4; |
1da177e4 | 1493 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1494 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1495 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1496 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1497 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1498 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1499 | ha->gid_list_info_size = 4; |
fca29703 | 1500 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1501 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1502 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1503 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1504 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1505 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1506 | ha->isp_ops.pci_config = qla2300_pci_config; |
1507 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1508 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
f6df144c AV |
1509 | ha->isp_ops.beacon_on = qla2x00_beacon_on; |
1510 | ha->isp_ops.beacon_off = qla2x00_beacon_off; | |
1511 | ha->isp_ops.beacon_blink = qla2x00_beacon_blink; | |
abbd8870 | 1512 | ha->gid_list_info_size = 6; |
854165f4 AV |
1513 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1514 | ha->optrom_size = OPTROM_SIZE_2322; | |
044cc6c8 | 1515 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1516 | host->max_id = MAX_TARGETS_2200; |
1517 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1518 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1519 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1520 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1521 | ha->init_cb_size = sizeof(struct init_cb_24xx); | |
cca5335c | 1522 | ha->mgmt_svr_loop_id = 10; |
fca29703 AV |
1523 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1524 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1525 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1526 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1527 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1528 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1529 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
5433383e | 1530 | ha->isp_ops.load_risc = qla24xx_load_risc; |
fca29703 AV |
1531 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; |
1532 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1533 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1534 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1535 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1536 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1537 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1538 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1539 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1540 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1541 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1542 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1543 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1544 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
854165f4 AV |
1545 | ha->isp_ops.read_optrom = qla24xx_read_optrom_data; |
1546 | ha->isp_ops.write_optrom = qla24xx_write_optrom_data; | |
f6df144c AV |
1547 | ha->isp_ops.beacon_on = qla24xx_beacon_on; |
1548 | ha->isp_ops.beacon_off = qla24xx_beacon_off; | |
1549 | ha->isp_ops.beacon_blink = qla24xx_beacon_blink; | |
fca29703 | 1550 | ha->gid_list_info_size = 8; |
854165f4 | 1551 | ha->optrom_size = OPTROM_SIZE_24XX; |
1da177e4 LT |
1552 | } |
1553 | host->can_queue = ha->request_q_length + 128; | |
1554 | ||
1555 | /* load the F/W, read paramaters, and init the H/W */ | |
1556 | ha->instance = num_hosts; | |
1557 | ||
1558 | init_MUTEX(&ha->mbx_cmd_sem); | |
1559 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); | |
1560 | ||
1561 | INIT_LIST_HEAD(&ha->list); | |
1562 | INIT_LIST_HEAD(&ha->fcports); | |
1da177e4 LT |
1563 | |
1564 | /* | |
1565 | * These locks are used to prevent more than one CPU | |
1566 | * from modifying the queue at the same time. The | |
1567 | * higher level "host_lock" will reduce most | |
1568 | * contention for these locks. | |
1569 | */ | |
1570 | spin_lock_init(&ha->mbx_reg_lock); | |
1da177e4 | 1571 | |
1da177e4 LT |
1572 | qla2x00_config_dma_addressing(ha); |
1573 | if (qla2x00_mem_alloc(ha)) { | |
1574 | qla_printk(KERN_WARNING, ha, | |
1575 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1576 | ||
a1541d5a AV |
1577 | ret = -ENOMEM; |
1578 | goto probe_failed; | |
1da177e4 LT |
1579 | } |
1580 | ||
1581 | if (qla2x00_initialize_adapter(ha) && | |
1582 | !(ha->device_flags & DFLG_NO_CABLE)) { | |
1583 | ||
1584 | qla_printk(KERN_WARNING, ha, | |
1585 | "Failed to initialize adapter\n"); | |
1586 | ||
1587 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1588 | "Adapter flags %x.\n", | |
1589 | ha->host_no, ha->device_flags)); | |
1590 | ||
a1541d5a | 1591 | ret = -ENODEV; |
1da177e4 LT |
1592 | goto probe_failed; |
1593 | } | |
1594 | ||
1595 | /* | |
1596 | * Startup the kernel thread for this host adapter | |
1597 | */ | |
39a11240 CH |
1598 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
1599 | "%s_dpc", ha->host_str); | |
1600 | if (IS_ERR(ha->dpc_thread)) { | |
1da177e4 LT |
1601 | qla_printk(KERN_WARNING, ha, |
1602 | "Unable to start DPC thread!\n"); | |
39a11240 | 1603 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1604 | goto probe_failed; |
1605 | } | |
1da177e4 | 1606 | |
a1541d5a AV |
1607 | host->this_id = 255; |
1608 | host->cmd_per_lun = 3; | |
1609 | host->unique_id = ha->instance; | |
1610 | host->max_cmd_len = MAX_CMDSZ; | |
75bc4190 | 1611 | host->max_channel = MAX_BUSES - 1; |
a1541d5a AV |
1612 | host->max_lun = MAX_LUNS; |
1613 | host->transportt = qla2xxx_transport_template; | |
1614 | ||
fca29703 | 1615 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
1d6f359a | 1616 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); |
a1541d5a | 1617 | if (ret) { |
1da177e4 LT |
1618 | qla_printk(KERN_WARNING, ha, |
1619 | "Failed to reserve interrupt %d already in use.\n", | |
fca29703 | 1620 | pdev->irq); |
1da177e4 LT |
1621 | goto probe_failed; |
1622 | } | |
fca29703 | 1623 | host->irq = pdev->irq; |
1da177e4 LT |
1624 | |
1625 | /* Initialized the timer */ | |
1626 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1627 | ||
1628 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1629 | ha->host_no, ha)); | |
1630 | ||
abbd8870 | 1631 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1632 | |
1da177e4 | 1633 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 | 1634 | reg = ha->iobase; |
044cc6c8 | 1635 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1636 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
1637 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1638 | } else { | |
1639 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1640 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1641 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1642 | ||
1643 | /* Enable proper parity */ | |
1644 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1645 | if (IS_QLA2300(ha)) | |
1646 | /* SRAM parity */ | |
1647 | WRT_REG_WORD(®->isp.hccr, | |
1648 | (HCCR_ENABLE_PARITY + 0x1)); | |
1649 | else | |
1650 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1651 | WRT_REG_WORD(®->isp.hccr, | |
1652 | (HCCR_ENABLE_PARITY + 0x7)); | |
1653 | } | |
1da177e4 LT |
1654 | } |
1655 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1656 | ||
abbd8870 | 1657 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 1658 | |
a1541d5a | 1659 | pci_set_drvdata(pdev, ha); |
d19044c3 | 1660 | |
1da177e4 | 1661 | ha->flags.init_done = 1; |
d19044c3 AV |
1662 | ha->flags.online = 1; |
1663 | ||
1da177e4 LT |
1664 | num_hosts++; |
1665 | ||
a1541d5a AV |
1666 | ret = scsi_add_host(host, &pdev->dev); |
1667 | if (ret) | |
1668 | goto probe_failed; | |
1669 | ||
1e99e33a AV |
1670 | scsi_scan_host(host); |
1671 | ||
a1541d5a AV |
1672 | qla2x00_alloc_sysfs_attr(ha); |
1673 | ||
1674 | qla2x00_init_host_attr(ha); | |
1675 | ||
1da177e4 LT |
1676 | qla_printk(KERN_INFO, ha, "\n" |
1677 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1678 | " QLogic %s - %s\n" | |
5433383e AV |
1679 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1680 | qla2x00_version_str, ha->model_number, | |
1681 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
1682 | ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev), | |
1683 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, | |
1684 | ha->isp_ops.fw_version_str(ha, fw_str)); | |
1da177e4 | 1685 | |
1da177e4 LT |
1686 | return 0; |
1687 | ||
1688 | probe_failed: | |
1689 | qla2x00_free_device(ha); | |
1690 | ||
1691 | scsi_host_put(host); | |
1692 | ||
1693 | probe_disable_device: | |
1694 | pci_disable_device(pdev); | |
1695 | ||
a1541d5a AV |
1696 | probe_out: |
1697 | return ret; | |
1da177e4 | 1698 | } |
1da177e4 | 1699 | |
7ee61397 AV |
1700 | static void __devexit |
1701 | qla2x00_remove_one(struct pci_dev *pdev) | |
1da177e4 LT |
1702 | { |
1703 | scsi_qla_host_t *ha; | |
1704 | ||
1705 | ha = pci_get_drvdata(pdev); | |
1706 | ||
8482e118 | 1707 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1708 | |
bdf79621 AV |
1709 | fc_remove_host(ha->host); |
1710 | ||
1da177e4 LT |
1711 | scsi_remove_host(ha->host); |
1712 | ||
1713 | qla2x00_free_device(ha); | |
1714 | ||
1715 | scsi_host_put(ha->host); | |
1716 | ||
1717 | pci_set_drvdata(pdev, NULL); | |
1718 | } | |
1da177e4 LT |
1719 | |
1720 | static void | |
1721 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1722 | { | |
1da177e4 LT |
1723 | /* Disable timer */ |
1724 | if (ha->timer_active) | |
1725 | qla2x00_stop_timer(ha); | |
1726 | ||
1727 | /* Kill the kernel thread for this host */ | |
39a11240 CH |
1728 | if (ha->dpc_thread) { |
1729 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1730 | |
39a11240 CH |
1731 | /* |
1732 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1733 | * so we need to zero it out. | |
1734 | */ | |
1735 | ha->dpc_thread = NULL; | |
1736 | kthread_stop(t); | |
1da177e4 LT |
1737 | } |
1738 | ||
a7a167bf AV |
1739 | if (ha->eft) |
1740 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); | |
1741 | ||
18c6c127 AV |
1742 | ha->flags.online = 0; |
1743 | ||
f6ef3b18 | 1744 | /* Stop currently executing firmware. */ |
18c6c127 | 1745 | qla2x00_try_to_stop_firmware(ha); |
1da177e4 | 1746 | |
f6ef3b18 AV |
1747 | /* turn-off interrupts on the card */ |
1748 | if (ha->interrupts_on) | |
1749 | ha->isp_ops.disable_intrs(ha); | |
1750 | ||
1751 | qla2x00_mem_free(ha); | |
1da177e4 | 1752 | |
1da177e4 | 1753 | /* Detach interrupts */ |
77347ff7 ZB |
1754 | if (ha->host->irq) |
1755 | free_irq(ha->host->irq, ha); | |
1da177e4 LT |
1756 | |
1757 | /* release io space registers */ | |
1758 | if (ha->iobase) | |
1759 | iounmap(ha->iobase); | |
1760 | pci_release_regions(ha->pdev); | |
1761 | ||
1762 | pci_disable_device(ha->pdev); | |
1763 | } | |
1764 | ||
d97994dc AV |
1765 | static inline void |
1766 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1767 | int defer) | |
1768 | { | |
1769 | unsigned long flags; | |
1770 | struct fc_rport *rport; | |
1771 | ||
1772 | if (!fcport->rport) | |
1773 | return; | |
1774 | ||
1775 | rport = fcport->rport; | |
1776 | if (defer) { | |
1777 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1778 | fcport->drport = rport; | |
1779 | fcport->rport = NULL; | |
387f96b4 | 1780 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1781 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1782 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1783 | } else { | |
1784 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1785 | fcport->rport = NULL; | |
387f96b4 | 1786 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1787 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1788 | fc_remote_port_delete(rport); | |
1789 | } | |
1790 | } | |
1791 | ||
1da177e4 LT |
1792 | /* |
1793 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1794 | * | |
1795 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1796 | * | |
1797 | * Return: None. | |
1798 | * | |
1799 | * Context: | |
1800 | */ | |
1801 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1802 | int do_login, int defer) |
1da177e4 | 1803 | { |
d97994dc AV |
1804 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1805 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
19a7b4ae | 1806 | |
fa2a1ce5 | 1807 | /* |
1da177e4 LT |
1808 | * We may need to retry the login, so don't change the state of the |
1809 | * port but do the retries. | |
1810 | */ | |
1811 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1812 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1813 | ||
1814 | if (!do_login) | |
1815 | return; | |
1816 | ||
1817 | if (fcport->login_retry == 0) { | |
1818 | fcport->login_retry = ha->login_retry_count; | |
1819 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1820 | ||
1821 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1822 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1823 | "id = 0x%04x retry cnt=%d\n", | |
1824 | ha->host_no, | |
1825 | fcport->port_name[0], | |
1826 | fcport->port_name[1], | |
1827 | fcport->port_name[2], | |
1828 | fcport->port_name[3], | |
1829 | fcport->port_name[4], | |
1830 | fcport->port_name[5], | |
1831 | fcport->port_name[6], | |
1832 | fcport->port_name[7], | |
1833 | fcport->loop_id, | |
1834 | fcport->login_retry)); | |
1835 | } | |
1836 | } | |
1837 | ||
1838 | /* | |
1839 | * qla2x00_mark_all_devices_lost | |
1840 | * Updates fcport state when device goes offline. | |
1841 | * | |
1842 | * Input: | |
1843 | * ha = adapter block pointer. | |
1844 | * fcport = port structure pointer. | |
1845 | * | |
1846 | * Return: | |
1847 | * None. | |
1848 | * | |
1849 | * Context: | |
1850 | */ | |
1851 | void | |
d97994dc | 1852 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1853 | { |
1854 | fc_port_t *fcport; | |
1855 | ||
1856 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1857 | if (fcport->port_type != FCT_TARGET) | |
1858 | continue; | |
1859 | ||
1860 | /* | |
1861 | * No point in marking the device as lost, if the device is | |
1862 | * already DEAD. | |
1863 | */ | |
1864 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1865 | continue; | |
d97994dc AV |
1866 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1867 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1da177e4 LT |
1868 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1869 | } | |
d97994dc | 1870 | |
39a11240 CH |
1871 | if (defer) |
1872 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
1873 | } |
1874 | ||
1875 | /* | |
1876 | * qla2x00_mem_alloc | |
1877 | * Allocates adapter memory. | |
1878 | * | |
1879 | * Returns: | |
1880 | * 0 = success. | |
1881 | * 1 = failure. | |
1882 | */ | |
1883 | static uint8_t | |
1884 | qla2x00_mem_alloc(scsi_qla_host_t *ha) | |
1885 | { | |
1886 | char name[16]; | |
1887 | uint8_t status = 1; | |
1888 | int retry= 10; | |
1889 | ||
1890 | do { | |
1891 | /* | |
1892 | * This will loop only once if everything goes well, else some | |
1893 | * number of retries will be performed to get around a kernel | |
1894 | * bug where available mem is not allocated until after a | |
1895 | * little delay and a retry. | |
1896 | */ | |
1897 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1898 | (ha->request_q_length + 1) * sizeof(request_t), | |
1899 | &ha->request_dma, GFP_KERNEL); | |
1900 | if (ha->request_ring == NULL) { | |
1901 | qla_printk(KERN_WARNING, ha, | |
1902 | "Memory Allocation failed - request_ring\n"); | |
1903 | ||
1904 | qla2x00_mem_free(ha); | |
1905 | msleep(100); | |
1906 | ||
1907 | continue; | |
1908 | } | |
1909 | ||
1910 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1911 | (ha->response_q_length + 1) * sizeof(response_t), | |
1912 | &ha->response_dma, GFP_KERNEL); | |
1913 | if (ha->response_ring == NULL) { | |
1914 | qla_printk(KERN_WARNING, ha, | |
1915 | "Memory Allocation failed - response_ring\n"); | |
1916 | ||
1917 | qla2x00_mem_free(ha); | |
1918 | msleep(100); | |
1919 | ||
1920 | continue; | |
1921 | } | |
1922 | ||
1923 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1924 | &ha->gid_list_dma, GFP_KERNEL); | |
1925 | if (ha->gid_list == NULL) { | |
1926 | qla_printk(KERN_WARNING, ha, | |
1927 | "Memory Allocation failed - gid_list\n"); | |
1928 | ||
1929 | qla2x00_mem_free(ha); | |
1930 | msleep(100); | |
1931 | ||
1932 | continue; | |
1933 | } | |
1934 | ||
cb63067a AV |
1935 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
1936 | ha->host_no); | |
1da177e4 LT |
1937 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
1938 | DMA_POOL_SIZE, 8, 0); | |
1939 | if (ha->s_dma_pool == NULL) { | |
1940 | qla_printk(KERN_WARNING, ha, | |
1941 | "Memory Allocation failed - s_dma_pool\n"); | |
1942 | ||
1943 | qla2x00_mem_free(ha); | |
1944 | msleep(100); | |
1945 | ||
1946 | continue; | |
1947 | } | |
1948 | ||
1949 | /* get consistent memory allocated for init control block */ | |
1950 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1951 | &ha->init_cb_dma); | |
1952 | if (ha->init_cb == NULL) { | |
1953 | qla_printk(KERN_WARNING, ha, | |
1954 | "Memory Allocation failed - init_cb\n"); | |
1955 | ||
1956 | qla2x00_mem_free(ha); | |
1957 | msleep(100); | |
1958 | ||
1959 | continue; | |
1960 | } | |
fca29703 | 1961 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 | 1962 | |
1da177e4 LT |
1963 | if (qla2x00_allocate_sp_pool(ha)) { |
1964 | qla_printk(KERN_WARNING, ha, | |
1965 | "Memory Allocation failed - " | |
1966 | "qla2x00_allocate_sp_pool()\n"); | |
1967 | ||
1968 | qla2x00_mem_free(ha); | |
1969 | msleep(100); | |
1970 | ||
1971 | continue; | |
1972 | } | |
1973 | ||
1974 | /* Allocate memory for SNS commands */ | |
1975 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1976 | /* Get consistent memory allocated for SNS commands */ | |
1977 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1978 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1979 | GFP_KERNEL); | |
1980 | if (ha->sns_cmd == NULL) { | |
1981 | /* error */ | |
1982 | qla_printk(KERN_WARNING, ha, | |
1983 | "Memory Allocation failed - sns_cmd\n"); | |
1984 | ||
1985 | qla2x00_mem_free(ha); | |
1986 | msleep(100); | |
1987 | ||
1988 | continue; | |
1989 | } | |
1990 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1991 | } else { | |
1992 | /* Get consistent memory allocated for MS IOCB */ | |
1993 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1994 | &ha->ms_iocb_dma); | |
1995 | if (ha->ms_iocb == NULL) { | |
1996 | /* error */ | |
1997 | qla_printk(KERN_WARNING, ha, | |
1998 | "Memory Allocation failed - ms_iocb\n"); | |
1999 | ||
2000 | qla2x00_mem_free(ha); | |
2001 | msleep(100); | |
2002 | ||
2003 | continue; | |
2004 | } | |
2005 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2006 | ||
2007 | /* | |
2008 | * Get consistent memory allocated for CT SNS | |
2009 | * commands | |
2010 | */ | |
2011 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
2012 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
2013 | GFP_KERNEL); | |
2014 | if (ha->ct_sns == NULL) { | |
2015 | /* error */ | |
2016 | qla_printk(KERN_WARNING, ha, | |
2017 | "Memory Allocation failed - ct_sns\n"); | |
2018 | ||
2019 | qla2x00_mem_free(ha); | |
2020 | msleep(100); | |
2021 | ||
2022 | continue; | |
2023 | } | |
2024 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
88729e53 AV |
2025 | |
2026 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { | |
2027 | /* | |
2028 | * Get consistent memory allocated for SFP | |
2029 | * block. | |
2030 | */ | |
2031 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, | |
2032 | GFP_KERNEL, &ha->sfp_data_dma); | |
2033 | if (ha->sfp_data == NULL) { | |
2034 | qla_printk(KERN_WARNING, ha, | |
2035 | "Memory Allocation failed - " | |
2036 | "sfp_data\n"); | |
2037 | ||
2038 | qla2x00_mem_free(ha); | |
2039 | msleep(100); | |
2040 | ||
2041 | continue; | |
2042 | } | |
2043 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); | |
2044 | } | |
1da177e4 LT |
2045 | } |
2046 | ||
2047 | /* Done all allocations without any error. */ | |
2048 | status = 0; | |
2049 | ||
2050 | } while (retry-- && status != 0); | |
2051 | ||
2052 | if (status) { | |
2053 | printk(KERN_WARNING | |
2054 | "%s(): **** FAILED ****\n", __func__); | |
2055 | } | |
2056 | ||
2057 | return(status); | |
2058 | } | |
2059 | ||
2060 | /* | |
2061 | * qla2x00_mem_free | |
2062 | * Frees all adapter allocated memory. | |
2063 | * | |
2064 | * Input: | |
2065 | * ha = adapter block pointer. | |
2066 | */ | |
2067 | static void | |
2068 | qla2x00_mem_free(scsi_qla_host_t *ha) | |
2069 | { | |
1da177e4 LT |
2070 | struct list_head *fcpl, *fcptemp; |
2071 | fc_port_t *fcport; | |
1da177e4 LT |
2072 | |
2073 | if (ha == NULL) { | |
2074 | /* error */ | |
2075 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
2076 | return; | |
2077 | } | |
2078 | ||
1da177e4 LT |
2079 | /* free sp pool */ |
2080 | qla2x00_free_sp_pool(ha); | |
2081 | ||
a7a167bf AV |
2082 | if (ha->fw_dump) { |
2083 | if (ha->eft) | |
2084 | dma_free_coherent(&ha->pdev->dev, | |
2085 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); | |
2086 | vfree(ha->fw_dump); | |
2087 | } | |
2088 | ||
1da177e4 LT |
2089 | if (ha->sns_cmd) |
2090 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
2091 | ha->sns_cmd, ha->sns_cmd_dma); | |
2092 | ||
2093 | if (ha->ct_sns) | |
2094 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2095 | ha->ct_sns, ha->ct_sns_dma); | |
2096 | ||
88729e53 AV |
2097 | if (ha->sfp_data) |
2098 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2099 | ||
1da177e4 LT |
2100 | if (ha->ms_iocb) |
2101 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2102 | ||
1da177e4 LT |
2103 | if (ha->init_cb) |
2104 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); | |
2105 | ||
2106 | if (ha->s_dma_pool) | |
2107 | dma_pool_destroy(ha->s_dma_pool); | |
2108 | ||
1da177e4 LT |
2109 | if (ha->gid_list) |
2110 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2111 | ha->gid_list_dma); | |
2112 | ||
2113 | if (ha->response_ring) | |
2114 | dma_free_coherent(&ha->pdev->dev, | |
2115 | (ha->response_q_length + 1) * sizeof(response_t), | |
2116 | ha->response_ring, ha->response_dma); | |
2117 | ||
2118 | if (ha->request_ring) | |
2119 | dma_free_coherent(&ha->pdev->dev, | |
2120 | (ha->request_q_length + 1) * sizeof(request_t), | |
2121 | ha->request_ring, ha->request_dma); | |
2122 | ||
a7a167bf AV |
2123 | ha->eft = NULL; |
2124 | ha->eft_dma = 0; | |
1da177e4 LT |
2125 | ha->sns_cmd = NULL; |
2126 | ha->sns_cmd_dma = 0; | |
2127 | ha->ct_sns = NULL; | |
2128 | ha->ct_sns_dma = 0; | |
2129 | ha->ms_iocb = NULL; | |
2130 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2131 | ha->init_cb = NULL; |
2132 | ha->init_cb_dma = 0; | |
2133 | ||
2134 | ha->s_dma_pool = NULL; | |
2135 | ||
1da177e4 LT |
2136 | ha->gid_list = NULL; |
2137 | ha->gid_list_dma = 0; | |
2138 | ||
2139 | ha->response_ring = NULL; | |
2140 | ha->response_dma = 0; | |
2141 | ha->request_ring = NULL; | |
2142 | ha->request_dma = 0; | |
2143 | ||
2144 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2145 | fcport = list_entry(fcpl, fc_port_t, list); | |
2146 | ||
1da177e4 LT |
2147 | /* fc ports */ |
2148 | list_del_init(&fcport->list); | |
2149 | kfree(fcport); | |
2150 | } | |
2151 | INIT_LIST_HEAD(&ha->fcports); | |
2152 | ||
1da177e4 | 2153 | ha->fw_dump = NULL; |
fca29703 | 2154 | ha->fw_dumped = 0; |
1da177e4 | 2155 | ha->fw_dump_reading = 0; |
854165f4 AV |
2156 | |
2157 | vfree(ha->optrom_buffer); | |
1da177e4 LT |
2158 | } |
2159 | ||
2160 | /* | |
2161 | * qla2x00_allocate_sp_pool | |
2162 | * This routine is called during initialization to allocate | |
2163 | * memory for local srb_t. | |
2164 | * | |
2165 | * Input: | |
2166 | * ha = adapter block pointer. | |
2167 | * | |
2168 | * Context: | |
2169 | * Kernel context. | |
1da177e4 LT |
2170 | */ |
2171 | static int | |
fa2a1ce5 | 2172 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2173 | { |
2174 | int rval; | |
2175 | ||
2176 | rval = QLA_SUCCESS; | |
93d2341c | 2177 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
1da177e4 LT |
2178 | if (ha->srb_mempool == NULL) { |
2179 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2180 | rval = QLA_FUNCTION_FAILED; | |
2181 | } | |
2182 | return (rval); | |
2183 | } | |
2184 | ||
2185 | /* | |
2186 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2187 | * |
1da177e4 LT |
2188 | */ |
2189 | static void | |
fa2a1ce5 | 2190 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2191 | { |
2192 | if (ha->srb_mempool) { | |
2193 | mempool_destroy(ha->srb_mempool); | |
2194 | ha->srb_mempool = NULL; | |
2195 | } | |
2196 | } | |
2197 | ||
2198 | /************************************************************************** | |
2199 | * qla2x00_do_dpc | |
2200 | * This kernel thread is a task that is schedule by the interrupt handler | |
2201 | * to perform the background processing for interrupts. | |
2202 | * | |
2203 | * Notes: | |
2204 | * This task always run in the context of a kernel thread. It | |
2205 | * is kick-off by the driver's detect code and starts up | |
2206 | * up one per adapter. It immediately goes to sleep and waits for | |
2207 | * some fibre event. When either the interrupt handler or | |
2208 | * the timer routine detects a event it will one of the task | |
2209 | * bits then wake us up. | |
2210 | **************************************************************************/ | |
2211 | static int | |
2212 | qla2x00_do_dpc(void *data) | |
2213 | { | |
1da177e4 LT |
2214 | scsi_qla_host_t *ha; |
2215 | fc_port_t *fcport; | |
1da177e4 | 2216 | uint8_t status; |
1da177e4 | 2217 | uint16_t next_loopid; |
1da177e4 LT |
2218 | |
2219 | ha = (scsi_qla_host_t *)data; | |
2220 | ||
1da177e4 LT |
2221 | set_user_nice(current, -20); |
2222 | ||
39a11240 | 2223 | while (!kthread_should_stop()) { |
1da177e4 LT |
2224 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2225 | ||
39a11240 CH |
2226 | set_current_state(TASK_INTERRUPTIBLE); |
2227 | schedule(); | |
2228 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2229 | |
2230 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2231 | ||
2232 | /* Initialization not yet finished. Don't do anything yet. */ | |
39a11240 | 2233 | if (!ha->flags.init_done) |
1da177e4 LT |
2234 | continue; |
2235 | ||
2236 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2237 | ||
2238 | ha->dpc_active = 1; | |
2239 | ||
1da177e4 | 2240 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2241 | ha->dpc_active = 0; |
2242 | continue; | |
2243 | } | |
2244 | ||
2245 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2246 | ||
2247 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2248 | "qla2x00_abort_isp ha = %p\n", | |
2249 | ha->host_no, ha)); | |
2250 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2251 | &ha->dpc_flags))) { | |
2252 | ||
2253 | if (qla2x00_abort_isp(ha)) { | |
2254 | /* failed. retry later */ | |
2255 | set_bit(ISP_ABORT_NEEDED, | |
2256 | &ha->dpc_flags); | |
2257 | } | |
2258 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2259 | } | |
2260 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2261 | ha->host_no)); | |
2262 | } | |
2263 | ||
d97994dc AV |
2264 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2265 | qla2x00_update_fcports(ha); | |
2266 | ||
91ca7b01 AV |
2267 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2268 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2269 | ha->host_no)); | |
2270 | qla2x00_loop_reset(ha); | |
2271 | } | |
2272 | ||
1da177e4 LT |
2273 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2274 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2275 | ||
2276 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2277 | ha->host_no)); | |
2278 | ||
2279 | qla2x00_rst_aen(ha); | |
2280 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2281 | } | |
2282 | ||
2283 | /* Retry each device up to login retry count */ | |
2284 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2285 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2286 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2287 | ||
2288 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2289 | ha->host_no)); | |
2290 | ||
2291 | next_loopid = 0; | |
2292 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1da177e4 LT |
2293 | /* |
2294 | * If the port is not ONLINE then try to login | |
2295 | * to it if we haven't run out of retries. | |
2296 | */ | |
2297 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2298 | fcport->login_retry) { | |
2299 | ||
2300 | fcport->login_retry--; | |
2301 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2302 | if (fcport->flags & | |
2303 | FCF_TAPE_PRESENT) | |
abbd8870 | 2304 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2305 | ha, fcport->loop_id, |
2306 | fcport->d_id.b.domain, | |
2307 | fcport->d_id.b.area, | |
2308 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2309 | status = qla2x00_fabric_login( |
2310 | ha, fcport, &next_loopid); | |
2311 | } else | |
2312 | status = | |
2313 | qla2x00_local_device_login( | |
9a52a57c | 2314 | ha, fcport); |
1da177e4 LT |
2315 | |
2316 | if (status == QLA_SUCCESS) { | |
2317 | fcport->old_loop_id = fcport->loop_id; | |
2318 | ||
2319 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2320 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2321 | |
052c40c8 AV |
2322 | qla2x00_update_fcport(ha, |
2323 | fcport); | |
1da177e4 LT |
2324 | } else if (status == 1) { |
2325 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2326 | /* retry the login again */ | |
2327 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2328 | ha->host_no, | |
2329 | fcport->login_retry, fcport->loop_id)); | |
2330 | } else { | |
2331 | fcport->login_retry = 0; | |
2332 | } | |
2333 | } | |
2334 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2335 | break; | |
2336 | } | |
2337 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2338 | ha->host_no)); | |
2339 | } | |
2340 | ||
2341 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2342 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2343 | ||
2344 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2345 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2346 | ha->host_no)); | |
fa2a1ce5 | 2347 | |
1da177e4 LT |
2348 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2349 | ||
2350 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2351 | ha->host_no)); | |
2352 | } | |
2353 | ||
2354 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2355 | ||
2356 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2357 | ha->host_no)); | |
2358 | ||
2359 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2360 | &ha->dpc_flags))) { | |
2361 | ||
2362 | qla2x00_loop_resync(ha); | |
2363 | ||
2364 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2365 | } | |
2366 | ||
2367 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2368 | ha->host_no)); | |
2369 | } | |
2370 | ||
1da177e4 LT |
2371 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2372 | ||
2373 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2374 | ha->host_no)); | |
2375 | ||
2376 | qla2x00_rescan_fcports(ha); | |
2377 | ||
2378 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2379 | "end.\n", | |
2380 | ha->host_no)); | |
2381 | } | |
2382 | ||
1da177e4 | 2383 | if (!ha->interrupts_on) |
abbd8870 | 2384 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2385 | |
f6df144c AV |
2386 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
2387 | ha->isp_ops.beacon_blink(ha); | |
2388 | ||
1da177e4 LT |
2389 | ha->dpc_active = 0; |
2390 | } /* End of while(1) */ | |
2391 | ||
2392 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2393 | ||
2394 | /* | |
2395 | * Make sure that nobody tries to wake us up again. | |
2396 | */ | |
1da177e4 LT |
2397 | ha->dpc_active = 0; |
2398 | ||
39a11240 CH |
2399 | return 0; |
2400 | } | |
2401 | ||
2402 | void | |
2403 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) | |
2404 | { | |
2405 | if (ha->dpc_thread) | |
2406 | wake_up_process(ha->dpc_thread); | |
1da177e4 LT |
2407 | } |
2408 | ||
1da177e4 LT |
2409 | /* |
2410 | * qla2x00_rst_aen | |
2411 | * Processes asynchronous reset. | |
2412 | * | |
2413 | * Input: | |
2414 | * ha = adapter block pointer. | |
2415 | */ | |
2416 | static void | |
fa2a1ce5 | 2417 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2418 | { |
2419 | if (ha->flags.online && !ha->flags.reset_active && | |
2420 | !atomic_read(&ha->loop_down_timer) && | |
2421 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2422 | do { | |
2423 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2424 | ||
2425 | /* | |
2426 | * Issue marker command only when we are going to start | |
2427 | * the I/O. | |
2428 | */ | |
2429 | ha->marker_needed = 1; | |
2430 | } while (!atomic_read(&ha->loop_down_timer) && | |
2431 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2432 | } | |
2433 | } | |
2434 | ||
f4f051eb AV |
2435 | static void |
2436 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2437 | { | |
2438 | struct scsi_cmnd *cmd = sp->cmd; | |
2439 | ||
2440 | if (sp->flags & SRB_DMA_VALID) { | |
2441 | if (cmd->use_sg) { | |
2442 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, | |
2443 | cmd->use_sg, cmd->sc_data_direction); | |
2444 | } else if (cmd->request_bufflen) { | |
2445 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, | |
2446 | cmd->request_bufflen, cmd->sc_data_direction); | |
2447 | } | |
2448 | sp->flags &= ~SRB_DMA_VALID; | |
2449 | } | |
fca29703 | 2450 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2451 | } |
2452 | ||
2453 | void | |
2454 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2455 | { | |
2456 | struct scsi_cmnd *cmd = sp->cmd; | |
2457 | ||
2458 | qla2x00_sp_free_dma(ha, sp); | |
2459 | ||
f4f051eb AV |
2460 | mempool_free(sp, ha->srb_mempool); |
2461 | ||
2462 | cmd->scsi_done(cmd); | |
2463 | } | |
bdf79621 | 2464 | |
1da177e4 LT |
2465 | /************************************************************************** |
2466 | * qla2x00_timer | |
2467 | * | |
2468 | * Description: | |
2469 | * One second timer | |
2470 | * | |
2471 | * Context: Interrupt | |
2472 | ***************************************************************************/ | |
2473 | static void | |
2474 | qla2x00_timer(scsi_qla_host_t *ha) | |
2475 | { | |
1da177e4 LT |
2476 | unsigned long cpu_flags = 0; |
2477 | fc_port_t *fcport; | |
1da177e4 LT |
2478 | int start_dpc = 0; |
2479 | int index; | |
2480 | srb_t *sp; | |
f4f051eb | 2481 | int t; |
1da177e4 LT |
2482 | |
2483 | /* | |
2484 | * Ports - Port down timer. | |
2485 | * | |
2486 | * Whenever, a port is in the LOST state we start decrementing its port | |
2487 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2488 | * the port it marked DEAD. |
1da177e4 LT |
2489 | */ |
2490 | t = 0; | |
2491 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2492 | if (fcport->port_type != FCT_TARGET) | |
2493 | continue; | |
2494 | ||
2495 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2496 | ||
2497 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2498 | continue; | |
2499 | ||
fa2a1ce5 | 2500 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2501 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2502 | |
1da177e4 | 2503 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2504 | "%d remaining\n", |
1da177e4 LT |
2505 | ha->host_no, |
2506 | t, atomic_read(&fcport->port_down_timer))); | |
2507 | } | |
2508 | t++; | |
2509 | } /* End of for fcport */ | |
2510 | ||
1da177e4 LT |
2511 | |
2512 | /* Loop down handler. */ | |
2513 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2514 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2515 | ||
2516 | if (atomic_read(&ha->loop_down_timer) == | |
2517 | ha->loop_down_abort_time) { | |
2518 | ||
2519 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2520 | "queues before time expire\n", | |
2521 | ha->host_no)); | |
2522 | ||
2523 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2524 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2525 | |
2526 | /* Schedule an ISP abort to return any tape commands. */ | |
2527 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); | |
2528 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; | |
2529 | index++) { | |
bdf79621 AV |
2530 | fc_port_t *sfcp; |
2531 | ||
1da177e4 LT |
2532 | sp = ha->outstanding_cmds[index]; |
2533 | if (!sp) | |
2534 | continue; | |
bdf79621 AV |
2535 | sfcp = sp->fcport; |
2536 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
1da177e4 LT |
2537 | continue; |
2538 | ||
2539 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2540 | break; | |
2541 | } | |
2542 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); | |
2543 | ||
2544 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); | |
2545 | start_dpc++; | |
2546 | } | |
2547 | ||
2548 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2549 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2550 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2551 | "restarting queues.\n", | |
2552 | ha->host_no)); | |
2553 | ||
2554 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2555 | start_dpc++; | |
2556 | ||
2557 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2558 | DEBUG(printk("scsi(%ld): Loop down - " | |
2559 | "aborting ISP.\n", | |
2560 | ha->host_no)); | |
2561 | qla_printk(KERN_WARNING, ha, | |
2562 | "Loop down - aborting ISP.\n"); | |
2563 | ||
2564 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2565 | } | |
2566 | } | |
fca29703 | 2567 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2568 | ha->host_no, |
2569 | atomic_read(&ha->loop_down_timer))); | |
2570 | } | |
2571 | ||
f6df144c AV |
2572 | /* Check if beacon LED needs to be blinked */ |
2573 | if (ha->beacon_blink_led == 1) { | |
2574 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2575 | start_dpc++; | |
2576 | } | |
2577 | ||
1da177e4 LT |
2578 | /* Schedule the DPC routine if needed */ |
2579 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2580 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2581 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2582 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2583 | start_dpc || |
2584 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2585 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2586 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
39a11240 CH |
2587 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
2588 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
2589 | |
2590 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2591 | } | |
2592 | ||
1da177e4 LT |
2593 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2594 | int | |
2595 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2596 | { | |
fe74c71f AV |
2597 | const unsigned int step = 100; /* msecs */ |
2598 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2599 | |
2600 | do { | |
2601 | if (!down_trylock(sema)) | |
2602 | return 0; | |
fe74c71f | 2603 | if (msleep_interruptible(step)) |
1da177e4 | 2604 | break; |
fe74c71f | 2605 | } while (--iterations >= 0); |
1da177e4 LT |
2606 | |
2607 | return -ETIMEDOUT; | |
2608 | } | |
2609 | ||
5433383e AV |
2610 | /* Firmware interface routines. */ |
2611 | ||
48c02fde | 2612 | #define FW_BLOBS 5 |
5433383e AV |
2613 | #define FW_ISP21XX 0 |
2614 | #define FW_ISP22XX 1 | |
2615 | #define FW_ISP2300 2 | |
2616 | #define FW_ISP2322 3 | |
48c02fde | 2617 | #define FW_ISP24XX 4 |
5433383e | 2618 | |
bb8ee499 AV |
2619 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
2620 | #define FW_FILE_ISP22XX "ql2200_fw.bin" | |
2621 | #define FW_FILE_ISP2300 "ql2300_fw.bin" | |
2622 | #define FW_FILE_ISP2322 "ql2322_fw.bin" | |
2623 | #define FW_FILE_ISP24XX "ql2400_fw.bin" | |
2624 | ||
5433383e AV |
2625 | static DECLARE_MUTEX(qla_fw_lock); |
2626 | ||
2627 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
bb8ee499 AV |
2628 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
2629 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | |
2630 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | |
2631 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2632 | { .name = FW_FILE_ISP24XX, }, | |
5433383e AV |
2633 | }; |
2634 | ||
2635 | struct fw_blob * | |
2636 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2637 | { | |
2638 | struct fw_blob *blob; | |
2639 | ||
2640 | blob = NULL; | |
2641 | if (IS_QLA2100(ha)) { | |
2642 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2643 | } else if (IS_QLA2200(ha)) { | |
2644 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2645 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2646 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2647 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2648 | blob = &qla_fw_blobs[FW_ISP2322]; |
044cc6c8 | 2649 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
5433383e AV |
2650 | blob = &qla_fw_blobs[FW_ISP24XX]; |
2651 | } | |
2652 | ||
2653 | down(&qla_fw_lock); | |
2654 | if (blob->fw) | |
2655 | goto out; | |
2656 | ||
2657 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2658 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2659 | "(%s).\n", ha->host_no, blob->name)); | |
2660 | blob->fw = NULL; | |
2661 | blob = NULL; | |
2662 | goto out; | |
2663 | } | |
2664 | ||
2665 | out: | |
2666 | up(&qla_fw_lock); | |
2667 | return blob; | |
2668 | } | |
2669 | ||
2670 | static void | |
2671 | qla2x00_release_firmware(void) | |
2672 | { | |
2673 | int idx; | |
2674 | ||
2675 | down(&qla_fw_lock); | |
2676 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2677 | if (qla_fw_blobs[idx].fw) | |
2678 | release_firmware(qla_fw_blobs[idx].fw); | |
2679 | up(&qla_fw_lock); | |
2680 | } | |
2681 | ||
5433383e | 2682 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2683 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2684 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2685 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2686 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2687 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2688 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2689 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2690 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2691 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
2692 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | |
2693 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
5433383e AV |
2694 | { 0 }, |
2695 | }; | |
2696 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2697 | ||
fca29703 | 2698 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2699 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2700 | .driver = { |
2701 | .owner = THIS_MODULE, | |
2702 | }, | |
fca29703 | 2703 | .id_table = qla2xxx_pci_tbl, |
7ee61397 AV |
2704 | .probe = qla2x00_probe_one, |
2705 | .remove = __devexit_p(qla2x00_remove_one), | |
fca29703 AV |
2706 | }; |
2707 | ||
1da177e4 LT |
2708 | /** |
2709 | * qla2x00_module_init - Module initialization. | |
2710 | **/ | |
2711 | static int __init | |
2712 | qla2x00_module_init(void) | |
2713 | { | |
fca29703 AV |
2714 | int ret = 0; |
2715 | ||
1da177e4 | 2716 | /* Allocate cache for SRBs. */ |
354d6b21 | 2717 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2718 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2719 | if (srb_cachep == NULL) { | |
2720 | printk(KERN_ERR | |
2721 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2722 | return -ENOMEM; | |
2723 | } | |
2724 | ||
2725 | /* Derive version string. */ | |
2726 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
11010fec | 2727 | if (ql2xextended_error_logging) |
0181944f AV |
2728 | strcat(qla2x00_version_str, "-debug"); |
2729 | ||
1c97a12a AV |
2730 | qla2xxx_transport_template = |
2731 | fc_attach_transport(&qla2xxx_transport_functions); | |
1da177e4 LT |
2732 | if (!qla2xxx_transport_template) |
2733 | return -ENODEV; | |
2734 | ||
2735 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
7ee61397 | 2736 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
2737 | if (ret) { |
2738 | kmem_cache_destroy(srb_cachep); | |
2739 | fc_release_transport(qla2xxx_transport_template); | |
2740 | } | |
2741 | return ret; | |
1da177e4 LT |
2742 | } |
2743 | ||
2744 | /** | |
2745 | * qla2x00_module_exit - Module cleanup. | |
2746 | **/ | |
2747 | static void __exit | |
2748 | qla2x00_module_exit(void) | |
2749 | { | |
7ee61397 | 2750 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 2751 | qla2x00_release_firmware(); |
354d6b21 | 2752 | kmem_cache_destroy(srb_cachep); |
1da177e4 LT |
2753 | fc_release_transport(qla2xxx_transport_template); |
2754 | } | |
2755 | ||
2756 | module_init(qla2x00_module_init); | |
2757 | module_exit(qla2x00_module_exit); | |
2758 | ||
2759 | MODULE_AUTHOR("QLogic Corporation"); | |
2760 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2761 | MODULE_LICENSE("GPL"); | |
2762 | MODULE_VERSION(QLA2XXX_VERSION); | |
bb8ee499 AV |
2763 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
2764 | MODULE_FIRMWARE(FW_FILE_ISP22XX); | |
2765 | MODULE_FIRMWARE(FW_FILE_ISP2300); | |
2766 | MODULE_FIRMWARE(FW_FILE_ISP2322); | |
2767 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |