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Commit | Line | Data |
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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 | */ | |
e18b890b | 27 | static struct kmem_cache *srb_cachep; |
1da177e4 LT |
28 | |
29 | /* | |
30 | * Ioctl related information. | |
31 | */ | |
2c3dfe3f | 32 | int num_hosts; |
1da177e4 LT |
33 | int ql2xlogintimeout = 20; |
34 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); | |
35 | MODULE_PARM_DESC(ql2xlogintimeout, | |
36 | "Login timeout value in seconds."); | |
37 | ||
a7b61842 | 38 | int qlport_down_retry; |
1da177e4 LT |
39 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
40 | MODULE_PARM_DESC(qlport_down_retry, | |
900d9f98 | 41 | "Maximum number of command retries to a port that returns " |
1da177e4 LT |
42 | "a PORT-DOWN status."); |
43 | ||
1da177e4 LT |
44 | int ql2xplogiabsentdevice; |
45 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); | |
46 | MODULE_PARM_DESC(ql2xplogiabsentdevice, | |
47 | "Option to enable PLOGI to devices that are not present after " | |
900d9f98 | 48 | "a Fabric scan. This is needed for several broken switches. " |
1da177e4 LT |
49 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
50 | ||
1da177e4 LT |
51 | int ql2xloginretrycount = 0; |
52 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); | |
53 | MODULE_PARM_DESC(ql2xloginretrycount, | |
54 | "Specify an alternate value for the NVRAM login retry count."); | |
55 | ||
a7a167bf AV |
56 | int ql2xallocfwdump = 1; |
57 | module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); | |
58 | MODULE_PARM_DESC(ql2xallocfwdump, | |
59 | "Option to enable allocation of memory for a firmware dump " | |
60 | "during HBA initialization. Memory allocation requirements " | |
61 | "vary by ISP type. Default is 1 - allocate memory."); | |
62 | ||
11010fec | 63 | int ql2xextended_error_logging; |
27d94035 | 64 | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); |
11010fec | 65 | MODULE_PARM_DESC(ql2xextended_error_logging, |
0181944f AV |
66 | "Option to enable extended error logging, " |
67 | "Default is 0 - no logging. 1 - log errors."); | |
68 | ||
1da177e4 LT |
69 | static void qla2x00_free_device(scsi_qla_host_t *); |
70 | ||
71 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
72 | ||
cca5335c AV |
73 | int ql2xfdmienable; |
74 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); | |
75 | MODULE_PARM_DESC(ql2xfdmienable, | |
76 | "Enables FDMI registratons " | |
77 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
78 | ||
df7baa50 AV |
79 | #define MAX_Q_DEPTH 32 |
80 | static int ql2xmaxqdepth = MAX_Q_DEPTH; | |
81 | module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); | |
82 | MODULE_PARM_DESC(ql2xmaxqdepth, | |
83 | "Maximum queue depth to report for target devices."); | |
84 | ||
85 | int ql2xqfullrampup = 120; | |
86 | module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); | |
87 | MODULE_PARM_DESC(ql2xqfullrampup, | |
88 | "Number of seconds to wait to begin to ramp-up the queue " | |
89 | "depth for a device after a queue-full condition has been " | |
90 | "detected. Default is 120 seconds."); | |
91 | ||
1da177e4 | 92 | /* |
fa2a1ce5 | 93 | * SCSI host template entry points |
1da177e4 LT |
94 | */ |
95 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb | 96 | static int qla2xxx_slave_alloc(struct scsi_device *); |
1e99e33a AV |
97 | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); |
98 | static void qla2xxx_scan_start(struct Scsi_Host *); | |
f4f051eb | 99 | static void qla2xxx_slave_destroy(struct scsi_device *); |
1da177e4 LT |
100 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
101 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
102 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
103 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
104 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
105 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
106 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | |
107 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
1da177e4 LT |
108 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); |
109 | ||
ce7e4af7 AV |
110 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
111 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
112 | ||
a824ebb3 | 113 | static struct scsi_host_template qla2x00_driver_template = { |
1da177e4 | 114 | .module = THIS_MODULE, |
cb63067a | 115 | .name = QLA2XXX_DRIVER_NAME, |
1da177e4 LT |
116 | .queuecommand = qla2x00_queuecommand, |
117 | ||
118 | .eh_abort_handler = qla2xxx_eh_abort, | |
119 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
120 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
121 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
122 | ||
123 | .slave_configure = qla2xxx_slave_configure, | |
124 | ||
f4f051eb AV |
125 | .slave_alloc = qla2xxx_slave_alloc, |
126 | .slave_destroy = qla2xxx_slave_destroy, | |
1e99e33a AV |
127 | .scan_finished = qla2xxx_scan_finished, |
128 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
129 | .change_queue_depth = qla2x00_change_queue_depth, |
130 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
131 | .this_id = -1, |
132 | .cmd_per_lun = 3, | |
133 | .use_clustering = ENABLE_CLUSTERING, | |
9cb83c75 | 134 | .use_sg_chaining = ENABLE_SG_CHAINING, |
1da177e4 LT |
135 | .sg_tablesize = SG_ALL, |
136 | ||
137 | /* | |
138 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
139 | * which equates to 0x800000 sectors. | |
140 | */ | |
141 | .max_sectors = 0xFFFF, | |
afb046e2 | 142 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
143 | }; |
144 | ||
2c3dfe3f | 145 | struct scsi_host_template qla24xx_driver_template = { |
fca29703 | 146 | .module = THIS_MODULE, |
cb63067a | 147 | .name = QLA2XXX_DRIVER_NAME, |
fca29703 AV |
148 | .queuecommand = qla24xx_queuecommand, |
149 | ||
150 | .eh_abort_handler = qla2xxx_eh_abort, | |
151 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
152 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
153 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
154 | ||
155 | .slave_configure = qla2xxx_slave_configure, | |
156 | ||
157 | .slave_alloc = qla2xxx_slave_alloc, | |
158 | .slave_destroy = qla2xxx_slave_destroy, | |
ed677086 AV |
159 | .scan_finished = qla2xxx_scan_finished, |
160 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
161 | .change_queue_depth = qla2x00_change_queue_depth, |
162 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
163 | .this_id = -1, |
164 | .cmd_per_lun = 3, | |
165 | .use_clustering = ENABLE_CLUSTERING, | |
9cb83c75 | 166 | .use_sg_chaining = ENABLE_SG_CHAINING, |
fca29703 AV |
167 | .sg_tablesize = SG_ALL, |
168 | ||
169 | .max_sectors = 0xFFFF, | |
afb046e2 | 170 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
171 | }; |
172 | ||
1da177e4 | 173 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
2c3dfe3f | 174 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
1da177e4 | 175 | |
1da177e4 LT |
176 | /* TODO Convert to inlines |
177 | * | |
178 | * Timer routines | |
179 | */ | |
1da177e4 | 180 | |
2c3dfe3f | 181 | __inline__ void |
1da177e4 LT |
182 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
183 | { | |
184 | init_timer(&ha->timer); | |
185 | ha->timer.expires = jiffies + interval * HZ; | |
186 | ha->timer.data = (unsigned long)ha; | |
187 | ha->timer.function = (void (*)(unsigned long))func; | |
188 | add_timer(&ha->timer); | |
189 | ha->timer_active = 1; | |
190 | } | |
191 | ||
192 | static inline void | |
193 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
194 | { | |
195 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
196 | } | |
197 | ||
a824ebb3 | 198 | static __inline__ void |
1da177e4 LT |
199 | qla2x00_stop_timer(scsi_qla_host_t *ha) |
200 | { | |
201 | del_timer_sync(&ha->timer); | |
202 | ha->timer_active = 0; | |
203 | } | |
204 | ||
1da177e4 LT |
205 | static int qla2x00_do_dpc(void *data); |
206 | ||
207 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
208 | ||
a824ebb3 AB |
209 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); |
210 | static void qla2x00_mem_free(scsi_qla_host_t *ha); | |
1da177e4 LT |
211 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); |
212 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb | 213 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
1da177e4 | 214 | |
1da177e4 LT |
215 | /* -------------------------------------------------------------------------- */ |
216 | ||
1da177e4 | 217 | static char * |
abbd8870 | 218 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
219 | { |
220 | static char *pci_bus_modes[] = { | |
221 | "33", "66", "100", "133", | |
222 | }; | |
223 | uint16_t pci_bus; | |
224 | ||
225 | strcpy(str, "PCI"); | |
226 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
227 | if (pci_bus) { | |
228 | strcat(str, "-X ("); | |
229 | strcat(str, pci_bus_modes[pci_bus]); | |
230 | } else { | |
231 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
232 | strcat(str, " ("); | |
233 | strcat(str, pci_bus_modes[pci_bus]); | |
234 | } | |
235 | strcat(str, " MHz)"); | |
236 | ||
237 | return (str); | |
238 | } | |
239 | ||
fca29703 AV |
240 | static char * |
241 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
242 | { | |
243 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
244 | uint32_t pci_bus; | |
245 | int pcie_reg; | |
246 | ||
247 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
248 | if (pcie_reg) { | |
249 | char lwstr[6]; | |
250 | uint16_t pcie_lstat, lspeed, lwidth; | |
251 | ||
252 | pcie_reg += 0x12; | |
253 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
254 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
255 | lwidth = (pcie_lstat & | |
256 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
257 | ||
258 | strcpy(str, "PCIe ("); | |
259 | if (lspeed == 1) | |
260 | strcat(str, "2.5Gb/s "); | |
c3a2f0df AV |
261 | else if (lspeed == 2) |
262 | strcat(str, "5.0Gb/s "); | |
fca29703 AV |
263 | else |
264 | strcat(str, "<unknown> "); | |
265 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
266 | strcat(str, lwstr); | |
267 | ||
268 | return str; | |
269 | } | |
270 | ||
271 | strcpy(str, "PCI"); | |
272 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
273 | if (pci_bus == 0 || pci_bus == 8) { | |
274 | strcat(str, " ("); | |
275 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
276 | } else { | |
277 | strcat(str, "-X "); | |
278 | if (pci_bus & BIT_2) | |
279 | strcat(str, "Mode 2"); | |
280 | else | |
281 | strcat(str, "Mode 1"); | |
282 | strcat(str, " ("); | |
283 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
284 | } | |
285 | strcat(str, " MHz)"); | |
286 | ||
287 | return str; | |
288 | } | |
289 | ||
e5f82ab8 | 290 | static char * |
abbd8870 | 291 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
292 | { |
293 | char un_str[10]; | |
fa2a1ce5 | 294 | |
1da177e4 LT |
295 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
296 | ha->fw_minor_version, | |
297 | ha->fw_subminor_version); | |
298 | ||
299 | if (ha->fw_attributes & BIT_9) { | |
300 | strcat(str, "FLX"); | |
301 | return (str); | |
302 | } | |
303 | ||
304 | switch (ha->fw_attributes & 0xFF) { | |
305 | case 0x7: | |
306 | strcat(str, "EF"); | |
307 | break; | |
308 | case 0x17: | |
309 | strcat(str, "TP"); | |
310 | break; | |
311 | case 0x37: | |
312 | strcat(str, "IP"); | |
313 | break; | |
314 | case 0x77: | |
315 | strcat(str, "VI"); | |
316 | break; | |
317 | default: | |
318 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
319 | strcat(str, un_str); | |
320 | break; | |
321 | } | |
322 | if (ha->fw_attributes & 0x100) | |
323 | strcat(str, "X"); | |
324 | ||
325 | return (str); | |
326 | } | |
327 | ||
e5f82ab8 | 328 | static char * |
fca29703 AV |
329 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
330 | { | |
f0883ac6 AV |
331 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
332 | ha->fw_minor_version, | |
333 | ha->fw_subminor_version); | |
334 | ||
fca29703 AV |
335 | if (ha->fw_attributes & BIT_0) |
336 | strcat(str, "[Class 2] "); | |
337 | if (ha->fw_attributes & BIT_1) | |
338 | strcat(str, "[IP] "); | |
339 | if (ha->fw_attributes & BIT_2) | |
340 | strcat(str, "[Multi-ID] "); | |
c3a2f0df AV |
341 | if (ha->fw_attributes & BIT_3) |
342 | strcat(str, "[SB-2] "); | |
343 | if (ha->fw_attributes & BIT_4) | |
344 | strcat(str, "[T10 CRC] "); | |
345 | if (ha->fw_attributes & BIT_5) | |
346 | strcat(str, "[VI] "); | |
fca29703 AV |
347 | if (ha->fw_attributes & BIT_13) |
348 | strcat(str, "[Experimental]"); | |
349 | return str; | |
fca29703 AV |
350 | } |
351 | ||
352 | static inline srb_t * | |
353 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
354 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
355 | { | |
356 | srb_t *sp; | |
357 | ||
358 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
359 | if (!sp) | |
360 | return sp; | |
361 | ||
fca29703 AV |
362 | sp->ha = ha; |
363 | sp->fcport = fcport; | |
364 | sp->cmd = cmd; | |
365 | sp->flags = 0; | |
366 | CMD_SP(cmd) = (void *)sp; | |
367 | cmd->scsi_done = done; | |
368 | ||
369 | return sp; | |
370 | } | |
371 | ||
1da177e4 | 372 | static int |
f4f051eb | 373 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 374 | { |
f363b943 | 375 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 376 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 377 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb AV |
378 | srb_t *sp; |
379 | int rval; | |
1da177e4 | 380 | |
14e660e6 SJ |
381 | if (unlikely(pci_channel_offline(ha->pdev))) { |
382 | cmd->result = DID_REQUEUE << 16; | |
383 | goto qc_fail_command; | |
384 | } | |
385 | ||
19a7b4ae JSEC |
386 | rval = fc_remote_port_chkready(rport); |
387 | if (rval) { | |
388 | cmd->result = rval; | |
f4f051eb AV |
389 | goto qc_fail_command; |
390 | } | |
1da177e4 | 391 | |
387f96b4 AV |
392 | /* Close window on fcport/rport state-transitioning. */ |
393 | if (!*(fc_port_t **)rport->dd_data) { | |
394 | cmd->result = DID_IMM_RETRY << 16; | |
395 | goto qc_fail_command; | |
396 | } | |
397 | ||
f4f051eb AV |
398 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
399 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
400 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
401 | cmd->result = DID_NO_CONNECT << 16; | |
402 | goto qc_fail_command; | |
403 | } | |
404 | goto qc_host_busy; | |
405 | } | |
1da177e4 LT |
406 | |
407 | spin_unlock_irq(ha->host->host_lock); | |
408 | ||
fca29703 AV |
409 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
410 | if (!sp) | |
f4f051eb | 411 | goto qc_host_busy_lock; |
1da177e4 | 412 | |
f4f051eb AV |
413 | rval = qla2x00_start_scsi(sp); |
414 | if (rval != QLA_SUCCESS) | |
415 | goto qc_host_busy_free_sp; | |
1da177e4 | 416 | |
f4f051eb | 417 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 418 | |
f4f051eb | 419 | return 0; |
1da177e4 | 420 | |
f4f051eb AV |
421 | qc_host_busy_free_sp: |
422 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 423 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 424 | |
f4f051eb AV |
425 | qc_host_busy_lock: |
426 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 427 | |
f4f051eb AV |
428 | qc_host_busy: |
429 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 430 | |
f4f051eb AV |
431 | qc_fail_command: |
432 | done(cmd); | |
1da177e4 | 433 | |
f4f051eb | 434 | return 0; |
1da177e4 LT |
435 | } |
436 | ||
fca29703 AV |
437 | |
438 | static int | |
439 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
440 | { | |
f363b943 | 441 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
fca29703 | 442 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 443 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
444 | srb_t *sp; |
445 | int rval; | |
2c3dfe3f | 446 | scsi_qla_host_t *pha = to_qla_parent(ha); |
fca29703 | 447 | |
14e660e6 SJ |
448 | if (unlikely(pci_channel_offline(ha->pdev))) { |
449 | cmd->result = DID_REQUEUE << 16; | |
450 | goto qc24_fail_command; | |
451 | } | |
452 | ||
19a7b4ae JSEC |
453 | rval = fc_remote_port_chkready(rport); |
454 | if (rval) { | |
455 | cmd->result = rval; | |
fca29703 AV |
456 | goto qc24_fail_command; |
457 | } | |
458 | ||
387f96b4 AV |
459 | /* Close window on fcport/rport state-transitioning. */ |
460 | if (!*(fc_port_t **)rport->dd_data) { | |
461 | cmd->result = DID_IMM_RETRY << 16; | |
462 | goto qc24_fail_command; | |
463 | } | |
464 | ||
fca29703 AV |
465 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
466 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
2c3dfe3f | 467 | atomic_read(&pha->loop_state) == LOOP_DEAD) { |
fca29703 AV |
468 | cmd->result = DID_NO_CONNECT << 16; |
469 | goto qc24_fail_command; | |
470 | } | |
471 | goto qc24_host_busy; | |
472 | } | |
473 | ||
474 | spin_unlock_irq(ha->host->host_lock); | |
475 | ||
2c3dfe3f | 476 | sp = qla2x00_get_new_sp(pha, fcport, cmd, done); |
fca29703 AV |
477 | if (!sp) |
478 | goto qc24_host_busy_lock; | |
479 | ||
480 | rval = qla24xx_start_scsi(sp); | |
481 | if (rval != QLA_SUCCESS) | |
482 | goto qc24_host_busy_free_sp; | |
483 | ||
484 | spin_lock_irq(ha->host->host_lock); | |
485 | ||
486 | return 0; | |
487 | ||
488 | qc24_host_busy_free_sp: | |
2c3dfe3f SJ |
489 | qla2x00_sp_free_dma(pha, sp); |
490 | mempool_free(sp, pha->srb_mempool); | |
fca29703 AV |
491 | |
492 | qc24_host_busy_lock: | |
493 | spin_lock_irq(ha->host->host_lock); | |
494 | ||
495 | qc24_host_busy: | |
496 | return SCSI_MLQUEUE_HOST_BUSY; | |
497 | ||
498 | qc24_fail_command: | |
499 | done(cmd); | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | ||
1da177e4 LT |
505 | /* |
506 | * qla2x00_eh_wait_on_command | |
507 | * Waits for the command to be returned by the Firmware for some | |
508 | * max time. | |
509 | * | |
510 | * Input: | |
511 | * ha = actual ha whose done queue will contain the command | |
512 | * returned by firmware. | |
513 | * cmd = Scsi Command to wait on. | |
514 | * flag = Abort/Reset(Bus or Device Reset) | |
515 | * | |
516 | * Return: | |
517 | * Not Found : 0 | |
518 | * Found : 1 | |
519 | */ | |
520 | static int | |
521 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
522 | { | |
fe74c71f AV |
523 | #define ABORT_POLLING_PERIOD 1000 |
524 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
525 | unsigned long wait_iter = ABORT_WAIT_ITER; |
526 | int ret = QLA_SUCCESS; | |
1da177e4 | 527 | |
f4f051eb | 528 | while (CMD_SP(cmd)) { |
fe74c71f | 529 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 530 | |
f4f051eb AV |
531 | if (--wait_iter) |
532 | break; | |
533 | } | |
534 | if (CMD_SP(cmd)) | |
535 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 536 | |
f4f051eb | 537 | return ret; |
1da177e4 LT |
538 | } |
539 | ||
540 | /* | |
541 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 542 | * Wait till the HBA is online after going through |
1da177e4 LT |
543 | * <= MAX_RETRIES_OF_ISP_ABORT or |
544 | * finally HBA is disabled ie marked offline | |
545 | * | |
546 | * Input: | |
547 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
548 | * |
549 | * Note: | |
1da177e4 LT |
550 | * Does context switching-Release SPIN_LOCK |
551 | * (if any) before calling this routine. | |
552 | * | |
553 | * Return: | |
554 | * Success (Adapter is online) : 0 | |
555 | * Failed (Adapter is offline/disabled) : 1 | |
556 | */ | |
854165f4 | 557 | int |
1da177e4 LT |
558 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
559 | { | |
fca29703 AV |
560 | int return_status; |
561 | unsigned long wait_online; | |
2c3dfe3f | 562 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 563 | |
fa2a1ce5 | 564 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
2c3dfe3f SJ |
565 | while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) || |
566 | test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) || | |
567 | test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) || | |
568 | pha->dpc_active) && time_before(jiffies, wait_online)) { | |
1da177e4 LT |
569 | |
570 | msleep(1000); | |
571 | } | |
2c3dfe3f | 572 | if (pha->flags.online) |
fa2a1ce5 | 573 | return_status = QLA_SUCCESS; |
1da177e4 LT |
574 | else |
575 | return_status = QLA_FUNCTION_FAILED; | |
576 | ||
577 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
578 | ||
579 | return (return_status); | |
580 | } | |
581 | ||
582 | /* | |
583 | * qla2x00_wait_for_loop_ready | |
584 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 585 | * to be in LOOP_READY state. |
1da177e4 LT |
586 | * Input: |
587 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
588 | * |
589 | * Note: | |
1da177e4 LT |
590 | * Does context switching-Release SPIN_LOCK |
591 | * (if any) before calling this routine. | |
fa2a1ce5 | 592 | * |
1da177e4 LT |
593 | * |
594 | * Return: | |
595 | * Success (LOOP_READY) : 0 | |
596 | * Failed (LOOP_NOT_READY) : 1 | |
597 | */ | |
fa2a1ce5 | 598 | static inline int |
1da177e4 LT |
599 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
600 | { | |
601 | int return_status = QLA_SUCCESS; | |
602 | unsigned long loop_timeout ; | |
2c3dfe3f | 603 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
604 | |
605 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 606 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 | 607 | |
2c3dfe3f SJ |
608 | while ((!atomic_read(&pha->loop_down_timer) && |
609 | atomic_read(&pha->loop_state) == LOOP_DOWN) || | |
610 | atomic_read(&pha->loop_state) != LOOP_READY) { | |
611 | if (atomic_read(&pha->loop_state) == LOOP_DEAD) { | |
57680080 RA |
612 | return_status = QLA_FUNCTION_FAILED; |
613 | break; | |
614 | } | |
1da177e4 LT |
615 | msleep(1000); |
616 | if (time_after_eq(jiffies, loop_timeout)) { | |
617 | return_status = QLA_FUNCTION_FAILED; | |
618 | break; | |
619 | } | |
620 | } | |
fa2a1ce5 | 621 | return (return_status); |
1da177e4 LT |
622 | } |
623 | ||
07db5183 AV |
624 | static void |
625 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) | |
626 | { | |
627 | struct Scsi_Host *shost = cmnd->device->host; | |
628 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); | |
629 | unsigned long flags; | |
630 | ||
631 | spin_lock_irqsave(shost->host_lock, flags); | |
632 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { | |
633 | spin_unlock_irqrestore(shost->host_lock, flags); | |
634 | msleep(1000); | |
635 | spin_lock_irqsave(shost->host_lock, flags); | |
636 | } | |
637 | spin_unlock_irqrestore(shost->host_lock, flags); | |
638 | return; | |
639 | } | |
640 | ||
1da177e4 LT |
641 | /************************************************************************** |
642 | * qla2xxx_eh_abort | |
643 | * | |
644 | * Description: | |
645 | * The abort function will abort the specified command. | |
646 | * | |
647 | * Input: | |
648 | * cmd = Linux SCSI command packet to be aborted. | |
649 | * | |
650 | * Returns: | |
651 | * Either SUCCESS or FAILED. | |
652 | * | |
653 | * Note: | |
2ea00202 | 654 | * Only return FAILED if command not returned by firmware. |
1da177e4 | 655 | **************************************************************************/ |
e5f82ab8 | 656 | static int |
1da177e4 LT |
657 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
658 | { | |
f363b943 | 659 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
f4f051eb AV |
660 | srb_t *sp; |
661 | int ret, i; | |
662 | unsigned int id, lun; | |
663 | unsigned long serial; | |
18e144d3 | 664 | unsigned long flags; |
2ea00202 | 665 | int wait = 0; |
2c3dfe3f | 666 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 667 | |
07db5183 AV |
668 | qla2x00_block_error_handler(cmd); |
669 | ||
f4f051eb | 670 | if (!CMD_SP(cmd)) |
2ea00202 | 671 | return SUCCESS; |
1da177e4 | 672 | |
2ea00202 | 673 | ret = SUCCESS; |
1da177e4 | 674 | |
f4f051eb AV |
675 | id = cmd->device->id; |
676 | lun = cmd->device->lun; | |
677 | serial = cmd->serial_number; | |
1da177e4 | 678 | |
f4f051eb | 679 | /* Check active list for command command. */ |
2c3dfe3f | 680 | spin_lock_irqsave(&pha->hardware_lock, flags); |
f4f051eb | 681 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
2c3dfe3f | 682 | sp = pha->outstanding_cmds[i]; |
1da177e4 | 683 | |
f4f051eb AV |
684 | if (sp == NULL) |
685 | continue; | |
1da177e4 | 686 | |
f4f051eb AV |
687 | if (sp->cmd != cmd) |
688 | continue; | |
1da177e4 | 689 | |
75bc4190 AV |
690 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
691 | __func__, ha->host_no, sp, serial)); | |
744f11fd | 692 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
1da177e4 | 693 | |
2c3dfe3f | 694 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
fd34f556 | 695 | if (ha->isp_ops->abort_command(ha, sp)) { |
f4f051eb AV |
696 | DEBUG2(printk("%s(%ld): abort_command " |
697 | "mbx failed.\n", __func__, ha->host_no)); | |
698 | } else { | |
699 | DEBUG3(printk("%s(%ld): abort_command " | |
700 | "mbx success.\n", __func__, ha->host_no)); | |
2ea00202 | 701 | wait = 1; |
f4f051eb | 702 | } |
2c3dfe3f | 703 | spin_lock_irqsave(&pha->hardware_lock, flags); |
1da177e4 | 704 | |
f4f051eb AV |
705 | break; |
706 | } | |
2c3dfe3f | 707 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 | 708 | |
f4f051eb | 709 | /* Wait for the command to be returned. */ |
2ea00202 | 710 | if (wait) { |
f4f051eb | 711 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 712 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
713 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
714 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
2ea00202 | 715 | ret = FAILED; |
f4f051eb | 716 | } |
1da177e4 | 717 | } |
1da177e4 | 718 | |
fa2a1ce5 | 719 | qla_printk(KERN_INFO, ha, |
2ea00202 MR |
720 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
721 | ha->host_no, id, lun, wait, serial, ret); | |
1da177e4 | 722 | |
f4f051eb AV |
723 | return ret; |
724 | } | |
1da177e4 | 725 | |
f4f051eb AV |
726 | /************************************************************************** |
727 | * qla2x00_eh_wait_for_pending_target_commands | |
728 | * | |
729 | * Description: | |
730 | * Waits for all the commands to come back from the specified target. | |
731 | * | |
732 | * Input: | |
733 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 734 | * t - target |
f4f051eb AV |
735 | * Returns: |
736 | * Either SUCCESS or FAILED. | |
737 | * | |
738 | * Note: | |
739 | **************************************************************************/ | |
740 | static int | |
741 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
742 | { | |
743 | int cnt; | |
744 | int status; | |
745 | srb_t *sp; | |
746 | struct scsi_cmnd *cmd; | |
18e144d3 | 747 | unsigned long flags; |
2c3dfe3f | 748 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 749 | |
f4f051eb | 750 | status = 0; |
1da177e4 LT |
751 | |
752 | /* | |
f4f051eb AV |
753 | * Waiting for all commands for the designated target in the active |
754 | * array | |
1da177e4 LT |
755 | */ |
756 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
2c3dfe3f SJ |
757 | spin_lock_irqsave(&pha->hardware_lock, flags); |
758 | sp = pha->outstanding_cmds[cnt]; | |
1da177e4 LT |
759 | if (sp) { |
760 | cmd = sp->cmd; | |
2c3dfe3f SJ |
761 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
762 | if (cmd->device->id == t && | |
763 | ha->vp_idx == sp->ha->vp_idx) { | |
1da177e4 LT |
764 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { |
765 | status = 1; | |
766 | break; | |
767 | } | |
768 | } | |
f4f051eb | 769 | } else { |
2c3dfe3f | 770 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 LT |
771 | } |
772 | } | |
773 | return (status); | |
774 | } | |
775 | ||
776 | ||
777 | /************************************************************************** | |
778 | * qla2xxx_eh_device_reset | |
779 | * | |
780 | * Description: | |
781 | * The device reset function will reset the target and abort any | |
782 | * executing commands. | |
783 | * | |
784 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 785 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
786 | * non-null. |
787 | * | |
788 | * Input: | |
789 | * cmd = Linux SCSI command packet of the command that cause the | |
790 | * bus device reset. | |
791 | * | |
792 | * Returns: | |
793 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
794 | * | |
795 | **************************************************************************/ | |
e5f82ab8 | 796 | static int |
1da177e4 LT |
797 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
798 | { | |
f363b943 | 799 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 800 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 801 | int ret = FAILED; |
f4f051eb AV |
802 | unsigned int id, lun; |
803 | unsigned long serial; | |
1da177e4 | 804 | |
07db5183 AV |
805 | qla2x00_block_error_handler(cmd); |
806 | ||
f4f051eb AV |
807 | id = cmd->device->id; |
808 | lun = cmd->device->lun; | |
809 | serial = cmd->serial_number; | |
1da177e4 | 810 | |
b0328bee | 811 | if (!fcport) |
f4f051eb | 812 | return ret; |
1da177e4 LT |
813 | |
814 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 815 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 816 | |
94d0e7b8 | 817 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 818 | goto eh_dev_reset_done; |
1da177e4 LT |
819 | |
820 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
821 | if (qla2x00_device_reset(ha, fcport) == 0) |
822 | ret = SUCCESS; | |
1da177e4 LT |
823 | |
824 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
825 | if (ret == SUCCESS) { |
826 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
fd34f556 | 827 | ha->isp_ops->fabric_logout(ha, fcport->loop_id); |
d97994dc | 828 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
829 | } |
830 | } | |
831 | #endif | |
832 | } else { | |
833 | DEBUG2(printk(KERN_INFO | |
744f11fd | 834 | "%s failed: loop not ready\n",__func__)); |
1da177e4 LT |
835 | } |
836 | ||
f4f051eb | 837 | if (ret == FAILED) { |
1da177e4 LT |
838 | DEBUG3(printk("%s(%ld): device reset failed\n", |
839 | __func__, ha->host_no)); | |
840 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
841 | __func__); | |
842 | ||
843 | goto eh_dev_reset_done; | |
844 | } | |
845 | ||
9a41a62b AV |
846 | /* Flush outstanding commands. */ |
847 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
848 | ret = FAILED; | |
849 | if (ret == FAILED) { | |
850 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
851 | __func__, ha->host_no)); | |
852 | qla_printk(KERN_INFO, ha, | |
853 | "%s: failed while waiting for commands\n", __func__); | |
854 | } else | |
855 | qla_printk(KERN_INFO, ha, | |
856 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
857 | id, lun); | |
28f22b03 | 858 | eh_dev_reset_done: |
f4f051eb | 859 | return ret; |
1da177e4 LT |
860 | } |
861 | ||
862 | /************************************************************************** | |
863 | * qla2x00_eh_wait_for_pending_commands | |
864 | * | |
865 | * Description: | |
866 | * Waits for all the commands to come back from the specified host. | |
867 | * | |
868 | * Input: | |
869 | * ha - pointer to scsi_qla_host structure. | |
870 | * | |
871 | * Returns: | |
872 | * 1 : SUCCESS | |
873 | * 0 : FAILED | |
874 | * | |
875 | * Note: | |
876 | **************************************************************************/ | |
877 | static int | |
878 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
879 | { | |
880 | int cnt; | |
881 | int status; | |
882 | srb_t *sp; | |
883 | struct scsi_cmnd *cmd; | |
18e144d3 | 884 | unsigned long flags; |
1da177e4 LT |
885 | |
886 | status = 1; | |
887 | ||
888 | /* | |
889 | * Waiting for all commands for the designated target in the active | |
890 | * array | |
891 | */ | |
892 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 893 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
894 | sp = ha->outstanding_cmds[cnt]; |
895 | if (sp) { | |
896 | cmd = sp->cmd; | |
18e144d3 | 897 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
898 | status = qla2x00_eh_wait_on_command(ha, cmd); |
899 | if (status == 0) | |
900 | break; | |
901 | } | |
902 | else { | |
18e144d3 | 903 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
904 | } |
905 | } | |
906 | return (status); | |
907 | } | |
908 | ||
909 | ||
910 | /************************************************************************** | |
911 | * qla2xxx_eh_bus_reset | |
912 | * | |
913 | * Description: | |
914 | * The bus reset function will reset the bus and abort any executing | |
915 | * commands. | |
916 | * | |
917 | * Input: | |
918 | * cmd = Linux SCSI command packet of the command that cause the | |
919 | * bus reset. | |
920 | * | |
921 | * Returns: | |
922 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
923 | * | |
924 | **************************************************************************/ | |
e5f82ab8 | 925 | static int |
1da177e4 LT |
926 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
927 | { | |
f363b943 | 928 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
2c3dfe3f | 929 | scsi_qla_host_t *pha = to_qla_parent(ha); |
bdf79621 | 930 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 931 | int ret = FAILED; |
f4f051eb AV |
932 | unsigned int id, lun; |
933 | unsigned long serial; | |
934 | ||
07db5183 AV |
935 | qla2x00_block_error_handler(cmd); |
936 | ||
f4f051eb AV |
937 | id = cmd->device->id; |
938 | lun = cmd->device->lun; | |
939 | serial = cmd->serial_number; | |
1da177e4 | 940 | |
b0328bee | 941 | if (!fcport) |
f4f051eb | 942 | return ret; |
1da177e4 LT |
943 | |
944 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 945 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 946 | |
1da177e4 LT |
947 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
948 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 949 | goto eh_bus_reset_done; |
1da177e4 LT |
950 | } |
951 | ||
952 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
953 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
954 | ret = SUCCESS; | |
1da177e4 | 955 | } |
f4f051eb AV |
956 | if (ret == FAILED) |
957 | goto eh_bus_reset_done; | |
1da177e4 | 958 | |
9a41a62b | 959 | /* Flush outstanding commands. */ |
2c3dfe3f | 960 | if (!qla2x00_eh_wait_for_pending_commands(pha)) |
9a41a62b | 961 | ret = FAILED; |
1da177e4 | 962 | |
f4f051eb | 963 | eh_bus_reset_done: |
1da177e4 | 964 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 965 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 966 | |
f4f051eb | 967 | return ret; |
1da177e4 LT |
968 | } |
969 | ||
970 | /************************************************************************** | |
971 | * qla2xxx_eh_host_reset | |
972 | * | |
973 | * Description: | |
974 | * The reset function will reset the Adapter. | |
975 | * | |
976 | * Input: | |
977 | * cmd = Linux SCSI command packet of the command that cause the | |
978 | * adapter reset. | |
979 | * | |
980 | * Returns: | |
981 | * Either SUCCESS or FAILED. | |
982 | * | |
983 | * Note: | |
984 | **************************************************************************/ | |
e5f82ab8 | 985 | static int |
1da177e4 LT |
986 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
987 | { | |
f363b943 | 988 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 989 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 990 | int ret = FAILED; |
f4f051eb AV |
991 | unsigned int id, lun; |
992 | unsigned long serial; | |
2c3dfe3f | 993 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 994 | |
07db5183 AV |
995 | qla2x00_block_error_handler(cmd); |
996 | ||
f4f051eb AV |
997 | id = cmd->device->id; |
998 | lun = cmd->device->lun; | |
999 | serial = cmd->serial_number; | |
1000 | ||
b0328bee | 1001 | if (!fcport) |
f4f051eb | 1002 | return ret; |
1da177e4 | 1003 | |
1da177e4 | 1004 | qla_printk(KERN_INFO, ha, |
f4f051eb | 1005 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 1006 | |
1da177e4 | 1007 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 1008 | goto eh_host_reset_lock; |
1da177e4 LT |
1009 | |
1010 | /* | |
1011 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 1012 | * loop_resync,so wait a while for it to |
1da177e4 LT |
1013 | * be completed and then issue big hammer.Otherwise |
1014 | * it may cause I/O failure as big hammer marks the | |
1015 | * devices as lost kicking of the port_down_timer | |
1016 | * while dpc is stuck for the mailbox to complete. | |
1017 | */ | |
1da177e4 | 1018 | qla2x00_wait_for_loop_ready(ha); |
2c3dfe3f SJ |
1019 | set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1020 | if (qla2x00_abort_isp(pha)) { | |
1021 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); | |
1da177e4 | 1022 | /* failed. schedule dpc to try */ |
2c3dfe3f | 1023 | set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags); |
1da177e4 LT |
1024 | |
1025 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 1026 | goto eh_host_reset_lock; |
fa2a1ce5 | 1027 | } |
2c3dfe3f | 1028 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1da177e4 | 1029 | |
1da177e4 | 1030 | /* Waiting for our command in done_queue to be returned to OS.*/ |
2c3dfe3f | 1031 | if (qla2x00_eh_wait_for_pending_commands(pha)) |
f4f051eb | 1032 | ret = SUCCESS; |
1da177e4 | 1033 | |
2c3dfe3f SJ |
1034 | if (ha->parent) |
1035 | qla2x00_vp_abort_isp(ha); | |
1036 | ||
f4f051eb | 1037 | eh_host_reset_lock: |
f4f051eb AV |
1038 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1039 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1040 | |
f4f051eb AV |
1041 | return ret; |
1042 | } | |
1da177e4 LT |
1043 | |
1044 | /* | |
1045 | * qla2x00_loop_reset | |
1046 | * Issue loop reset. | |
1047 | * | |
1048 | * Input: | |
1049 | * ha = adapter block pointer. | |
1050 | * | |
1051 | * Returns: | |
1052 | * 0 = success | |
1053 | */ | |
a4722cf2 | 1054 | int |
1da177e4 LT |
1055 | qla2x00_loop_reset(scsi_qla_host_t *ha) |
1056 | { | |
0c8c39af | 1057 | int ret; |
bdf79621 | 1058 | struct fc_port *fcport; |
1da177e4 | 1059 | |
0c8c39af AV |
1060 | if (ha->flags.enable_lip_full_login) { |
1061 | ret = qla2x00_full_login_lip(ha); | |
1062 | if (ret != QLA_SUCCESS) { | |
1063 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1064 | "full_login_lip=%d.\n", __func__, ha->host_no, | |
1065 | ret)); | |
1066 | } | |
1067 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
1068 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
1069 | qla2x00_mark_all_devices_lost(ha, 0); | |
1070 | qla2x00_wait_for_loop_ready(ha); | |
1071 | } | |
1072 | ||
1da177e4 | 1073 | if (ha->flags.enable_lip_reset) { |
0c8c39af AV |
1074 | ret = qla2x00_lip_reset(ha); |
1075 | if (ret != QLA_SUCCESS) { | |
1076 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1077 | "lip_reset=%d.\n", __func__, ha->host_no, ret)); | |
1078 | } | |
1079 | qla2x00_wait_for_loop_ready(ha); | |
1da177e4 LT |
1080 | } |
1081 | ||
0c8c39af | 1082 | if (ha->flags.enable_target_reset) { |
bdf79621 AV |
1083 | list_for_each_entry(fcport, &ha->fcports, list) { |
1084 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1085 | continue; |
1086 | ||
0c8c39af AV |
1087 | ret = qla2x00_device_reset(ha, fcport); |
1088 | if (ret != QLA_SUCCESS) { | |
1089 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1090 | "target_reset=%d d_id=%x.\n", __func__, | |
1091 | ha->host_no, ret, fcport->d_id.b24)); | |
1092 | } | |
1da177e4 LT |
1093 | } |
1094 | } | |
1095 | ||
1da177e4 LT |
1096 | /* Issue marker command only when we are going to start the I/O */ |
1097 | ha->marker_needed = 1; | |
1098 | ||
0c8c39af | 1099 | return QLA_SUCCESS; |
1da177e4 LT |
1100 | } |
1101 | ||
1102 | /* | |
1103 | * qla2x00_device_reset | |
1104 | * Issue bus device reset message to the target. | |
1105 | * | |
1106 | * Input: | |
1107 | * ha = adapter block pointer. | |
1108 | * t = SCSI ID. | |
1109 | * TARGET_QUEUE_LOCK must be released. | |
1110 | * ADAPTER_STATE_LOCK must be released. | |
1111 | * | |
1112 | * Context: | |
1113 | * Kernel context. | |
1114 | */ | |
1115 | static int | |
1116 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1117 | { | |
1118 | /* Abort Target command will clear Reservation */ | |
fd34f556 | 1119 | return ha->isp_ops->abort_target(reset_fcport); |
1da177e4 LT |
1120 | } |
1121 | ||
f4f051eb AV |
1122 | static int |
1123 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1124 | { |
bdf79621 | 1125 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1126 | |
19a7b4ae | 1127 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1128 | return -ENXIO; |
bdf79621 | 1129 | |
19a7b4ae | 1130 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1131 | |
f4f051eb AV |
1132 | return 0; |
1133 | } | |
1da177e4 | 1134 | |
f4f051eb AV |
1135 | static int |
1136 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1137 | { | |
f363b943 | 1138 | scsi_qla_host_t *ha = shost_priv(sdev->host); |
8482e118 AV |
1139 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
1140 | ||
f4f051eb | 1141 | if (sdev->tagged_supported) |
df7baa50 | 1142 | scsi_activate_tcq(sdev, ha->max_q_depth); |
f4f051eb | 1143 | else |
df7baa50 | 1144 | scsi_deactivate_tcq(sdev, ha->max_q_depth); |
1da177e4 | 1145 | |
8482e118 AV |
1146 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1147 | ||
f4f051eb AV |
1148 | return 0; |
1149 | } | |
1da177e4 | 1150 | |
f4f051eb AV |
1151 | static void |
1152 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1153 | { | |
1154 | sdev->hostdata = NULL; | |
1da177e4 LT |
1155 | } |
1156 | ||
ce7e4af7 AV |
1157 | static int |
1158 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1159 | { | |
1160 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1161 | return sdev->queue_depth; | |
1162 | } | |
1163 | ||
1164 | static int | |
1165 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1166 | { | |
1167 | if (sdev->tagged_supported) { | |
1168 | scsi_set_tag_type(sdev, tag_type); | |
1169 | if (tag_type) | |
1170 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1171 | else | |
1172 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1173 | } else | |
1174 | tag_type = 0; | |
1175 | ||
1176 | return tag_type; | |
1177 | } | |
1178 | ||
1da177e4 LT |
1179 | /** |
1180 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1181 | * @ha: HA context | |
1182 | * | |
1183 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1184 | * supported addressing method. | |
1185 | */ | |
1186 | static void | |
1187 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1188 | { | |
7524f9b9 | 1189 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1190 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1191 | |
7524f9b9 AV |
1192 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1193 | /* Any upper-dword bits set? */ | |
1194 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1195 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1196 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1197 | ha->flags.enable_64bit_addressing = 1; |
fd34f556 AV |
1198 | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; |
1199 | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1200 | return; |
1da177e4 | 1201 | } |
1da177e4 | 1202 | } |
7524f9b9 AV |
1203 | |
1204 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1205 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1206 | } |
1207 | ||
fd34f556 AV |
1208 | static void |
1209 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1210 | { | |
1211 | unsigned long flags = 0; | |
1212 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1213 | ||
1214 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1215 | ha->interrupts_on = 1; | |
1216 | /* enable risc and host interrupts */ | |
1217 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1218 | RD_REG_WORD(®->ictrl); | |
1219 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1220 | ||
1221 | } | |
1222 | ||
1223 | static void | |
1224 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1225 | { | |
1226 | unsigned long flags = 0; | |
1227 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1228 | ||
1229 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1230 | ha->interrupts_on = 0; | |
1231 | /* disable risc and host interrupts */ | |
1232 | WRT_REG_WORD(®->ictrl, 0); | |
1233 | RD_REG_WORD(®->ictrl); | |
1234 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1235 | } | |
1236 | ||
1237 | static void | |
1238 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1239 | { | |
1240 | unsigned long flags = 0; | |
1241 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1242 | ||
1243 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1244 | ha->interrupts_on = 1; | |
1245 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1246 | RD_REG_DWORD(®->ictrl); | |
1247 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1248 | } | |
1249 | ||
1250 | static void | |
1251 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1252 | { | |
1253 | unsigned long flags = 0; | |
1254 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1255 | ||
1256 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1257 | ha->interrupts_on = 0; | |
1258 | WRT_REG_DWORD(®->ictrl, 0); | |
1259 | RD_REG_DWORD(®->ictrl); | |
1260 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1261 | } | |
1262 | ||
1263 | static struct isp_operations qla2100_isp_ops = { | |
1264 | .pci_config = qla2100_pci_config, | |
1265 | .reset_chip = qla2x00_reset_chip, | |
1266 | .chip_diag = qla2x00_chip_diag, | |
1267 | .config_rings = qla2x00_config_rings, | |
1268 | .reset_adapter = qla2x00_reset_adapter, | |
1269 | .nvram_config = qla2x00_nvram_config, | |
1270 | .update_fw_options = qla2x00_update_fw_options, | |
1271 | .load_risc = qla2x00_load_risc, | |
1272 | .pci_info_str = qla2x00_pci_info_str, | |
1273 | .fw_version_str = qla2x00_fw_version_str, | |
1274 | .intr_handler = qla2100_intr_handler, | |
1275 | .enable_intrs = qla2x00_enable_intrs, | |
1276 | .disable_intrs = qla2x00_disable_intrs, | |
1277 | .abort_command = qla2x00_abort_command, | |
1278 | .abort_target = qla2x00_abort_target, | |
1279 | .fabric_login = qla2x00_login_fabric, | |
1280 | .fabric_logout = qla2x00_fabric_logout, | |
1281 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1282 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1283 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1284 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1285 | .read_nvram = qla2x00_read_nvram_data, | |
1286 | .write_nvram = qla2x00_write_nvram_data, | |
1287 | .fw_dump = qla2100_fw_dump, | |
1288 | .beacon_on = NULL, | |
1289 | .beacon_off = NULL, | |
1290 | .beacon_blink = NULL, | |
1291 | .read_optrom = qla2x00_read_optrom_data, | |
1292 | .write_optrom = qla2x00_write_optrom_data, | |
1293 | .get_flash_version = qla2x00_get_flash_version, | |
1294 | }; | |
1295 | ||
1296 | static struct isp_operations qla2300_isp_ops = { | |
1297 | .pci_config = qla2300_pci_config, | |
1298 | .reset_chip = qla2x00_reset_chip, | |
1299 | .chip_diag = qla2x00_chip_diag, | |
1300 | .config_rings = qla2x00_config_rings, | |
1301 | .reset_adapter = qla2x00_reset_adapter, | |
1302 | .nvram_config = qla2x00_nvram_config, | |
1303 | .update_fw_options = qla2x00_update_fw_options, | |
1304 | .load_risc = qla2x00_load_risc, | |
1305 | .pci_info_str = qla2x00_pci_info_str, | |
1306 | .fw_version_str = qla2x00_fw_version_str, | |
1307 | .intr_handler = qla2300_intr_handler, | |
1308 | .enable_intrs = qla2x00_enable_intrs, | |
1309 | .disable_intrs = qla2x00_disable_intrs, | |
1310 | .abort_command = qla2x00_abort_command, | |
1311 | .abort_target = qla2x00_abort_target, | |
1312 | .fabric_login = qla2x00_login_fabric, | |
1313 | .fabric_logout = qla2x00_fabric_logout, | |
1314 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1315 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1316 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1317 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1318 | .read_nvram = qla2x00_read_nvram_data, | |
1319 | .write_nvram = qla2x00_write_nvram_data, | |
1320 | .fw_dump = qla2300_fw_dump, | |
1321 | .beacon_on = qla2x00_beacon_on, | |
1322 | .beacon_off = qla2x00_beacon_off, | |
1323 | .beacon_blink = qla2x00_beacon_blink, | |
1324 | .read_optrom = qla2x00_read_optrom_data, | |
1325 | .write_optrom = qla2x00_write_optrom_data, | |
1326 | .get_flash_version = qla2x00_get_flash_version, | |
1327 | }; | |
1328 | ||
1329 | static struct isp_operations qla24xx_isp_ops = { | |
1330 | .pci_config = qla24xx_pci_config, | |
1331 | .reset_chip = qla24xx_reset_chip, | |
1332 | .chip_diag = qla24xx_chip_diag, | |
1333 | .config_rings = qla24xx_config_rings, | |
1334 | .reset_adapter = qla24xx_reset_adapter, | |
1335 | .nvram_config = qla24xx_nvram_config, | |
1336 | .update_fw_options = qla24xx_update_fw_options, | |
1337 | .load_risc = qla24xx_load_risc, | |
1338 | .pci_info_str = qla24xx_pci_info_str, | |
1339 | .fw_version_str = qla24xx_fw_version_str, | |
1340 | .intr_handler = qla24xx_intr_handler, | |
1341 | .enable_intrs = qla24xx_enable_intrs, | |
1342 | .disable_intrs = qla24xx_disable_intrs, | |
1343 | .abort_command = qla24xx_abort_command, | |
1344 | .abort_target = qla24xx_abort_target, | |
1345 | .fabric_login = qla24xx_login_fabric, | |
1346 | .fabric_logout = qla24xx_fabric_logout, | |
1347 | .calc_req_entries = NULL, | |
1348 | .build_iocbs = NULL, | |
1349 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1350 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1351 | .read_nvram = qla24xx_read_nvram_data, | |
1352 | .write_nvram = qla24xx_write_nvram_data, | |
1353 | .fw_dump = qla24xx_fw_dump, | |
1354 | .beacon_on = qla24xx_beacon_on, | |
1355 | .beacon_off = qla24xx_beacon_off, | |
1356 | .beacon_blink = qla24xx_beacon_blink, | |
1357 | .read_optrom = qla24xx_read_optrom_data, | |
1358 | .write_optrom = qla24xx_write_optrom_data, | |
1359 | .get_flash_version = qla24xx_get_flash_version, | |
1360 | }; | |
1361 | ||
c3a2f0df AV |
1362 | static struct isp_operations qla25xx_isp_ops = { |
1363 | .pci_config = qla25xx_pci_config, | |
1364 | .reset_chip = qla24xx_reset_chip, | |
1365 | .chip_diag = qla24xx_chip_diag, | |
1366 | .config_rings = qla24xx_config_rings, | |
1367 | .reset_adapter = qla24xx_reset_adapter, | |
1368 | .nvram_config = qla24xx_nvram_config, | |
1369 | .update_fw_options = qla24xx_update_fw_options, | |
1370 | .load_risc = qla24xx_load_risc, | |
1371 | .pci_info_str = qla24xx_pci_info_str, | |
1372 | .fw_version_str = qla24xx_fw_version_str, | |
1373 | .intr_handler = qla24xx_intr_handler, | |
1374 | .enable_intrs = qla24xx_enable_intrs, | |
1375 | .disable_intrs = qla24xx_disable_intrs, | |
1376 | .abort_command = qla24xx_abort_command, | |
1377 | .abort_target = qla24xx_abort_target, | |
1378 | .fabric_login = qla24xx_login_fabric, | |
1379 | .fabric_logout = qla24xx_fabric_logout, | |
1380 | .calc_req_entries = NULL, | |
1381 | .build_iocbs = NULL, | |
1382 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1383 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1384 | .read_nvram = qla25xx_read_nvram_data, | |
1385 | .write_nvram = qla25xx_write_nvram_data, | |
1386 | .fw_dump = qla25xx_fw_dump, | |
1387 | .beacon_on = qla24xx_beacon_on, | |
1388 | .beacon_off = qla24xx_beacon_off, | |
1389 | .beacon_blink = qla24xx_beacon_blink, | |
338c9161 | 1390 | .read_optrom = qla25xx_read_optrom_data, |
c3a2f0df AV |
1391 | .write_optrom = qla24xx_write_optrom_data, |
1392 | .get_flash_version = qla24xx_get_flash_version, | |
1393 | }; | |
1394 | ||
ea5b6382 AV |
1395 | static inline void |
1396 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) | |
1397 | { | |
1398 | ha->device_type = DT_EXTENDED_IDS; | |
1399 | switch (ha->pdev->device) { | |
1400 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1401 | ha->device_type |= DT_ISP2100; | |
1402 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1403 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1404 | break; |
1405 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1406 | ha->device_type |= DT_ISP2200; | |
1407 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1408 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1409 | break; |
1410 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1411 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1412 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1413 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1414 | break; |
1415 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1416 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1417 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1418 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1419 | break; |
1420 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1421 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1422 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 AV |
1423 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1424 | ha->pdev->subsystem_device == 0x0170) | |
1425 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1426 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1427 | break; |
1428 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1429 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1430 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1431 | break; |
1432 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1433 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1434 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1435 | break; |
1436 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1437 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1438 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1439 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1440 | ha->device_type |= DT_IIDMA; |
441d1072 | 1441 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1442 | break; |
1443 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1444 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1445 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1446 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1447 | ha->device_type |= DT_IIDMA; |
441d1072 | 1448 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1449 | break; |
044cc6c8 AV |
1450 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1451 | ha->device_type |= DT_ISP5422; | |
e428924c | 1452 | ha->device_type |= DT_FWI2; |
441d1072 | 1453 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1454 | break; |
044cc6c8 AV |
1455 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1456 | ha->device_type |= DT_ISP5432; | |
e428924c | 1457 | ha->device_type |= DT_FWI2; |
441d1072 | 1458 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1459 | break; |
c3a2f0df AV |
1460 | case PCI_DEVICE_ID_QLOGIC_ISP2532: |
1461 | ha->device_type |= DT_ISP2532; | |
1462 | ha->device_type |= DT_ZIO_SUPPORTED; | |
1463 | ha->device_type |= DT_FWI2; | |
1464 | ha->device_type |= DT_IIDMA; | |
441d1072 | 1465 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1466 | break; |
1467 | } | |
1468 | } | |
1469 | ||
1da177e4 LT |
1470 | static int |
1471 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1472 | { | |
3776541d | 1473 | resource_size_t pio; |
1da177e4 | 1474 | |
285d0321 AV |
1475 | if (pci_request_selected_regions(ha->pdev, ha->bars, |
1476 | QLA2XXX_DRIVER_NAME)) { | |
1477 | qla_printk(KERN_WARNING, ha, | |
1478 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1479 | pci_name(ha->pdev)); | |
1480 | ||
1481 | goto iospace_error_exit; | |
1482 | } | |
1483 | if (!(ha->bars & 1)) | |
1484 | goto skip_pio; | |
1485 | ||
1da177e4 LT |
1486 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
1487 | pio = pci_resource_start(ha->pdev, 0); | |
3776541d AV |
1488 | if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { |
1489 | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { | |
1da177e4 LT |
1490 | qla_printk(KERN_WARNING, ha, |
1491 | "Invalid PCI I/O region size (%s)...\n", | |
1492 | pci_name(ha->pdev)); | |
1493 | pio = 0; | |
1494 | } | |
1495 | } else { | |
1496 | qla_printk(KERN_WARNING, ha, | |
1497 | "region #0 not a PIO resource (%s)...\n", | |
1498 | pci_name(ha->pdev)); | |
1499 | pio = 0; | |
1500 | } | |
285d0321 | 1501 | ha->pio_address = pio; |
1da177e4 | 1502 | |
285d0321 | 1503 | skip_pio: |
1da177e4 | 1504 | /* Use MMIO operations for all accesses. */ |
3776541d | 1505 | if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
1da177e4 | 1506 | qla_printk(KERN_ERR, ha, |
3776541d | 1507 | "region #1 not an MMIO resource (%s), aborting\n", |
1da177e4 LT |
1508 | pci_name(ha->pdev)); |
1509 | goto iospace_error_exit; | |
1510 | } | |
3776541d | 1511 | if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { |
1da177e4 LT |
1512 | qla_printk(KERN_ERR, ha, |
1513 | "Invalid PCI mem region size (%s), aborting\n", | |
1514 | pci_name(ha->pdev)); | |
1515 | goto iospace_error_exit; | |
1516 | } | |
1517 | ||
3776541d | 1518 | ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); |
1da177e4 LT |
1519 | if (!ha->iobase) { |
1520 | qla_printk(KERN_ERR, ha, | |
1521 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1522 | ||
1523 | goto iospace_error_exit; | |
1524 | } | |
1525 | ||
1526 | return (0); | |
1527 | ||
1528 | iospace_error_exit: | |
1529 | return (-ENOMEM); | |
1530 | } | |
1531 | ||
1e99e33a AV |
1532 | static void |
1533 | qla2xxx_scan_start(struct Scsi_Host *shost) | |
1534 | { | |
f363b943 | 1535 | scsi_qla_host_t *ha = shost_priv(shost); |
1e99e33a AV |
1536 | |
1537 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
1538 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1539 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1540 | } | |
1541 | ||
1542 | static int | |
1543 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1544 | { | |
f363b943 | 1545 | scsi_qla_host_t *ha = shost_priv(shost); |
1e99e33a AV |
1546 | |
1547 | if (!ha->host) | |
1548 | return 1; | |
1549 | if (time > ha->loop_reset_delay * HZ) | |
1550 | return 1; | |
1551 | ||
1552 | return atomic_read(&ha->loop_state) == LOOP_READY; | |
1553 | } | |
1554 | ||
1da177e4 LT |
1555 | /* |
1556 | * PCI driver interface | |
1557 | */ | |
7ee61397 AV |
1558 | static int __devinit |
1559 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1560 | { |
a1541d5a | 1561 | int ret = -ENODEV; |
fca29703 | 1562 | device_reg_t __iomem *reg; |
1da177e4 LT |
1563 | struct Scsi_Host *host; |
1564 | scsi_qla_host_t *ha; | |
1565 | unsigned long flags = 0; | |
29856e28 | 1566 | char pci_info[30]; |
1da177e4 | 1567 | char fw_str[30]; |
5433383e | 1568 | struct scsi_host_template *sht; |
285d0321 | 1569 | int bars; |
1da177e4 | 1570 | |
285d0321 | 1571 | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
5433383e AV |
1572 | sht = &qla2x00_driver_template; |
1573 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
8bc69e7d AV |
1574 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
1575 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || | |
c3a2f0df | 1576 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || |
285d0321 AV |
1577 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) { |
1578 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
5433383e | 1579 | sht = &qla24xx_driver_template; |
285d0321 AV |
1580 | } |
1581 | ||
1582 | if (pci_enable_device_bars(pdev, bars)) | |
1583 | goto probe_out; | |
1584 | ||
1585 | if (pci_find_aer_capability(pdev)) | |
1586 | if (pci_enable_pcie_error_reporting(pdev)) | |
1587 | goto probe_out; | |
1588 | ||
5433383e | 1589 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
1da177e4 LT |
1590 | if (host == NULL) { |
1591 | printk(KERN_WARNING | |
1592 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1593 | goto probe_disable_device; | |
1594 | } | |
1595 | ||
1596 | /* Clear our data area */ | |
f363b943 | 1597 | ha = shost_priv(host); |
1da177e4 LT |
1598 | memset(ha, 0, sizeof(scsi_qla_host_t)); |
1599 | ||
1600 | ha->pdev = pdev; | |
1601 | ha->host = host; | |
1602 | ha->host_no = host->host_no; | |
cb63067a | 1603 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
2c3dfe3f | 1604 | ha->parent = NULL; |
285d0321 | 1605 | ha->bars = bars; |
1da177e4 | 1606 | |
ea5b6382 AV |
1607 | /* Set ISP-type information. */ |
1608 | qla2x00_set_isp_flags(ha); | |
1609 | ||
1da177e4 LT |
1610 | /* Configure PCI I/O space */ |
1611 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1612 | if (ret) |
1613 | goto probe_failed; | |
1da177e4 | 1614 | |
1da177e4 | 1615 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1616 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1617 | ha->iobase); | |
1da177e4 LT |
1618 | |
1619 | spin_lock_init(&ha->hardware_lock); | |
1620 | ||
1da177e4 | 1621 | ha->prev_topology = 0; |
fca29703 | 1622 | ha->init_cb_size = sizeof(init_cb_t); |
2c3dfe3f | 1623 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx; |
d8b45213 | 1624 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1625 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1626 | |
df7baa50 AV |
1627 | ha->max_q_depth = MAX_Q_DEPTH; |
1628 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | |
1629 | ha->max_q_depth = ql2xmaxqdepth; | |
1630 | ||
abbd8870 | 1631 | /* Assign ISP specific operations. */ |
1da177e4 | 1632 | if (IS_QLA2100(ha)) { |
354d6b21 | 1633 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1634 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1635 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1636 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1637 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1638 | host->sg_tablesize = 32; | |
abbd8870 | 1639 | ha->gid_list_info_size = 4; |
fd34f556 | 1640 | ha->isp_ops = &qla2100_isp_ops; |
1da177e4 | 1641 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1642 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1643 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1644 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1645 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1646 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1647 | ha->gid_list_info_size = 4; |
fd34f556 | 1648 | ha->isp_ops = &qla2100_isp_ops; |
fca29703 | 1649 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1650 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1651 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1652 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1653 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1654 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 | 1655 | ha->gid_list_info_size = 6; |
854165f4 AV |
1656 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1657 | ha->optrom_size = OPTROM_SIZE_2322; | |
fd34f556 | 1658 | ha->isp_ops = &qla2300_isp_ops; |
044cc6c8 | 1659 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1660 | host->max_id = MAX_TARGETS_2200; |
1661 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1662 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1663 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1664 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
2c3dfe3f SJ |
1665 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
1666 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; | |
fca29703 | 1667 | ha->gid_list_info_size = 8; |
854165f4 | 1668 | ha->optrom_size = OPTROM_SIZE_24XX; |
fd34f556 | 1669 | ha->isp_ops = &qla24xx_isp_ops; |
c3a2f0df AV |
1670 | } else if (IS_QLA25XX(ha)) { |
1671 | host->max_id = MAX_TARGETS_2200; | |
1672 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1673 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1674 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1675 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1676 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); | |
1677 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; | |
1678 | ha->gid_list_info_size = 8; | |
1679 | ha->optrom_size = OPTROM_SIZE_25XX; | |
1680 | ha->isp_ops = &qla25xx_isp_ops; | |
1da177e4 LT |
1681 | } |
1682 | host->can_queue = ha->request_q_length + 128; | |
1683 | ||
1684 | /* load the F/W, read paramaters, and init the H/W */ | |
1685 | ha->instance = num_hosts; | |
1686 | ||
2c3dfe3f | 1687 | init_MUTEX(&ha->vport_sem); |
0b05a1f0 MB |
1688 | init_completion(&ha->mbx_cmd_comp); |
1689 | complete(&ha->mbx_cmd_comp); | |
1690 | init_completion(&ha->mbx_intr_comp); | |
1da177e4 LT |
1691 | |
1692 | INIT_LIST_HEAD(&ha->list); | |
1693 | INIT_LIST_HEAD(&ha->fcports); | |
2c3dfe3f SJ |
1694 | INIT_LIST_HEAD(&ha->vp_list); |
1695 | ||
1696 | set_bit(0, (unsigned long *) ha->vp_idx_map); | |
1da177e4 | 1697 | |
1da177e4 LT |
1698 | qla2x00_config_dma_addressing(ha); |
1699 | if (qla2x00_mem_alloc(ha)) { | |
1700 | qla_printk(KERN_WARNING, ha, | |
1701 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1702 | ||
a1541d5a AV |
1703 | ret = -ENOMEM; |
1704 | goto probe_failed; | |
1da177e4 LT |
1705 | } |
1706 | ||
765140bf | 1707 | if (qla2x00_initialize_adapter(ha)) { |
1da177e4 LT |
1708 | qla_printk(KERN_WARNING, ha, |
1709 | "Failed to initialize adapter\n"); | |
1710 | ||
1711 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1712 | "Adapter flags %x.\n", | |
1713 | ha->host_no, ha->device_flags)); | |
1714 | ||
a1541d5a | 1715 | ret = -ENODEV; |
1da177e4 LT |
1716 | goto probe_failed; |
1717 | } | |
1718 | ||
1719 | /* | |
1720 | * Startup the kernel thread for this host adapter | |
1721 | */ | |
39a11240 CH |
1722 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
1723 | "%s_dpc", ha->host_str); | |
1724 | if (IS_ERR(ha->dpc_thread)) { | |
1da177e4 LT |
1725 | qla_printk(KERN_WARNING, ha, |
1726 | "Unable to start DPC thread!\n"); | |
39a11240 | 1727 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1728 | goto probe_failed; |
1729 | } | |
1da177e4 | 1730 | |
a1541d5a AV |
1731 | host->this_id = 255; |
1732 | host->cmd_per_lun = 3; | |
1733 | host->unique_id = ha->instance; | |
1734 | host->max_cmd_len = MAX_CMDSZ; | |
75bc4190 | 1735 | host->max_channel = MAX_BUSES - 1; |
a1541d5a AV |
1736 | host->max_lun = MAX_LUNS; |
1737 | host->transportt = qla2xxx_transport_template; | |
1738 | ||
a8488abe AV |
1739 | ret = qla2x00_request_irqs(ha); |
1740 | if (ret) | |
1da177e4 | 1741 | goto probe_failed; |
1da177e4 LT |
1742 | |
1743 | /* Initialized the timer */ | |
1744 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1745 | ||
1746 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1747 | ha->host_no, ha)); | |
1748 | ||
fd34f556 | 1749 | ha->isp_ops->disable_intrs(ha); |
1da177e4 | 1750 | |
1da177e4 | 1751 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 | 1752 | reg = ha->iobase; |
e428924c | 1753 | if (IS_FWI2_CAPABLE(ha)) { |
fca29703 AV |
1754 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
1755 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1756 | } else { | |
1757 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1758 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1759 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1760 | ||
1761 | /* Enable proper parity */ | |
1762 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1763 | if (IS_QLA2300(ha)) | |
1764 | /* SRAM parity */ | |
1765 | WRT_REG_WORD(®->isp.hccr, | |
1766 | (HCCR_ENABLE_PARITY + 0x1)); | |
1767 | else | |
1768 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1769 | WRT_REG_WORD(®->isp.hccr, | |
1770 | (HCCR_ENABLE_PARITY + 0x7)); | |
1771 | } | |
1da177e4 LT |
1772 | } |
1773 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1774 | ||
fd34f556 | 1775 | ha->isp_ops->enable_intrs(ha); |
1da177e4 | 1776 | |
a1541d5a | 1777 | pci_set_drvdata(pdev, ha); |
d19044c3 | 1778 | |
1da177e4 | 1779 | ha->flags.init_done = 1; |
d19044c3 AV |
1780 | ha->flags.online = 1; |
1781 | ||
1da177e4 LT |
1782 | num_hosts++; |
1783 | ||
a1541d5a AV |
1784 | ret = scsi_add_host(host, &pdev->dev); |
1785 | if (ret) | |
1786 | goto probe_failed; | |
1787 | ||
1e99e33a AV |
1788 | scsi_scan_host(host); |
1789 | ||
a1541d5a AV |
1790 | qla2x00_alloc_sysfs_attr(ha); |
1791 | ||
1792 | qla2x00_init_host_attr(ha); | |
1793 | ||
1da177e4 LT |
1794 | qla_printk(KERN_INFO, ha, "\n" |
1795 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1796 | " QLogic %s - %s\n" | |
5433383e AV |
1797 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1798 | qla2x00_version_str, ha->model_number, | |
1799 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
fd34f556 | 1800 | ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev), |
5433383e | 1801 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, |
fd34f556 | 1802 | ha->isp_ops->fw_version_str(ha, fw_str)); |
1da177e4 | 1803 | |
1da177e4 LT |
1804 | return 0; |
1805 | ||
1806 | probe_failed: | |
1807 | qla2x00_free_device(ha); | |
1808 | ||
1809 | scsi_host_put(host); | |
1810 | ||
1811 | probe_disable_device: | |
1812 | pci_disable_device(pdev); | |
1813 | ||
a1541d5a AV |
1814 | probe_out: |
1815 | return ret; | |
1da177e4 | 1816 | } |
1da177e4 | 1817 | |
7ee61397 AV |
1818 | static void __devexit |
1819 | qla2x00_remove_one(struct pci_dev *pdev) | |
1da177e4 LT |
1820 | { |
1821 | scsi_qla_host_t *ha; | |
1822 | ||
1823 | ha = pci_get_drvdata(pdev); | |
1824 | ||
8482e118 | 1825 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1826 | |
bdf79621 AV |
1827 | fc_remove_host(ha->host); |
1828 | ||
1da177e4 LT |
1829 | scsi_remove_host(ha->host); |
1830 | ||
1831 | qla2x00_free_device(ha); | |
1832 | ||
1833 | scsi_host_put(ha->host); | |
1834 | ||
665db93b | 1835 | pci_disable_device(pdev); |
1da177e4 LT |
1836 | pci_set_drvdata(pdev, NULL); |
1837 | } | |
1da177e4 LT |
1838 | |
1839 | static void | |
1840 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1841 | { | |
1da177e4 LT |
1842 | /* Disable timer */ |
1843 | if (ha->timer_active) | |
1844 | qla2x00_stop_timer(ha); | |
1845 | ||
1846 | /* Kill the kernel thread for this host */ | |
39a11240 CH |
1847 | if (ha->dpc_thread) { |
1848 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1849 | |
39a11240 CH |
1850 | /* |
1851 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1852 | * so we need to zero it out. | |
1853 | */ | |
1854 | ha->dpc_thread = NULL; | |
1855 | kthread_stop(t); | |
1da177e4 LT |
1856 | } |
1857 | ||
a7a167bf AV |
1858 | if (ha->eft) |
1859 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); | |
1860 | ||
18c6c127 AV |
1861 | ha->flags.online = 0; |
1862 | ||
f6ef3b18 | 1863 | /* Stop currently executing firmware. */ |
18c6c127 | 1864 | qla2x00_try_to_stop_firmware(ha); |
1da177e4 | 1865 | |
f6ef3b18 AV |
1866 | /* turn-off interrupts on the card */ |
1867 | if (ha->interrupts_on) | |
fd34f556 | 1868 | ha->isp_ops->disable_intrs(ha); |
f6ef3b18 AV |
1869 | |
1870 | qla2x00_mem_free(ha); | |
1da177e4 | 1871 | |
a8488abe | 1872 | qla2x00_free_irqs(ha); |
1da177e4 LT |
1873 | |
1874 | /* release io space registers */ | |
1875 | if (ha->iobase) | |
1876 | iounmap(ha->iobase); | |
285d0321 | 1877 | pci_release_selected_regions(ha->pdev, ha->bars); |
1da177e4 LT |
1878 | } |
1879 | ||
d97994dc AV |
1880 | static inline void |
1881 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1882 | int defer) | |
1883 | { | |
1884 | unsigned long flags; | |
1885 | struct fc_rport *rport; | |
1886 | ||
1887 | if (!fcport->rport) | |
1888 | return; | |
1889 | ||
1890 | rport = fcport->rport; | |
1891 | if (defer) { | |
1892 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1893 | fcport->drport = rport; | |
1894 | fcport->rport = NULL; | |
387f96b4 | 1895 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1896 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1897 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1898 | } else { | |
1899 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1900 | fcport->rport = NULL; | |
387f96b4 | 1901 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1902 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1903 | fc_remote_port_delete(rport); | |
1904 | } | |
1905 | } | |
1906 | ||
1da177e4 LT |
1907 | /* |
1908 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1909 | * | |
1910 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1911 | * | |
1912 | * Return: None. | |
1913 | * | |
1914 | * Context: | |
1915 | */ | |
1916 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1917 | int do_login, int defer) |
1da177e4 | 1918 | { |
2c3dfe3f SJ |
1919 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
1920 | ha->vp_idx == fcport->vp_idx) | |
d97994dc | 1921 | qla2x00_schedule_rport_del(ha, fcport, defer); |
19a7b4ae | 1922 | |
fa2a1ce5 | 1923 | /* |
1da177e4 LT |
1924 | * We may need to retry the login, so don't change the state of the |
1925 | * port but do the retries. | |
1926 | */ | |
1927 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1928 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1929 | ||
1930 | if (!do_login) | |
1931 | return; | |
1932 | ||
1933 | if (fcport->login_retry == 0) { | |
1934 | fcport->login_retry = ha->login_retry_count; | |
1935 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1936 | ||
1937 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1938 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1939 | "id = 0x%04x retry cnt=%d\n", | |
1940 | ha->host_no, | |
1941 | fcport->port_name[0], | |
1942 | fcport->port_name[1], | |
1943 | fcport->port_name[2], | |
1944 | fcport->port_name[3], | |
1945 | fcport->port_name[4], | |
1946 | fcport->port_name[5], | |
1947 | fcport->port_name[6], | |
1948 | fcport->port_name[7], | |
1949 | fcport->loop_id, | |
1950 | fcport->login_retry)); | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | /* | |
1955 | * qla2x00_mark_all_devices_lost | |
1956 | * Updates fcport state when device goes offline. | |
1957 | * | |
1958 | * Input: | |
1959 | * ha = adapter block pointer. | |
1960 | * fcport = port structure pointer. | |
1961 | * | |
1962 | * Return: | |
1963 | * None. | |
1964 | * | |
1965 | * Context: | |
1966 | */ | |
1967 | void | |
d97994dc | 1968 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1969 | { |
1970 | fc_port_t *fcport; | |
2c3dfe3f | 1971 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 1972 | |
2c3dfe3f SJ |
1973 | list_for_each_entry(fcport, &pha->fcports, list) { |
1974 | if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx) | |
1da177e4 | 1975 | continue; |
1da177e4 LT |
1976 | /* |
1977 | * No point in marking the device as lost, if the device is | |
1978 | * already DEAD. | |
1979 | */ | |
1980 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1981 | continue; | |
2c3dfe3f SJ |
1982 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
1983 | if (defer) | |
1984 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1985 | else if (ha->vp_idx == fcport->vp_idx) | |
1986 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1987 | } | |
1da177e4 LT |
1988 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1989 | } | |
d97994dc | 1990 | |
39a11240 CH |
1991 | if (defer) |
1992 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
1993 | } |
1994 | ||
1995 | /* | |
1996 | * qla2x00_mem_alloc | |
1997 | * Allocates adapter memory. | |
1998 | * | |
1999 | * Returns: | |
2000 | * 0 = success. | |
2001 | * 1 = failure. | |
2002 | */ | |
a824ebb3 | 2003 | static uint8_t |
1da177e4 LT |
2004 | qla2x00_mem_alloc(scsi_qla_host_t *ha) |
2005 | { | |
2006 | char name[16]; | |
2007 | uint8_t status = 1; | |
2008 | int retry= 10; | |
2009 | ||
2010 | do { | |
2011 | /* | |
2012 | * This will loop only once if everything goes well, else some | |
2013 | * number of retries will be performed to get around a kernel | |
2014 | * bug where available mem is not allocated until after a | |
2015 | * little delay and a retry. | |
2016 | */ | |
2017 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
2018 | (ha->request_q_length + 1) * sizeof(request_t), | |
2019 | &ha->request_dma, GFP_KERNEL); | |
2020 | if (ha->request_ring == NULL) { | |
2021 | qla_printk(KERN_WARNING, ha, | |
2022 | "Memory Allocation failed - request_ring\n"); | |
2023 | ||
2024 | qla2x00_mem_free(ha); | |
2025 | msleep(100); | |
2026 | ||
2027 | continue; | |
2028 | } | |
2029 | ||
2030 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
2031 | (ha->response_q_length + 1) * sizeof(response_t), | |
2032 | &ha->response_dma, GFP_KERNEL); | |
2033 | if (ha->response_ring == NULL) { | |
2034 | qla_printk(KERN_WARNING, ha, | |
2035 | "Memory Allocation failed - response_ring\n"); | |
2036 | ||
2037 | qla2x00_mem_free(ha); | |
2038 | msleep(100); | |
2039 | ||
2040 | continue; | |
2041 | } | |
2042 | ||
2043 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
2044 | &ha->gid_list_dma, GFP_KERNEL); | |
2045 | if (ha->gid_list == NULL) { | |
2046 | qla_printk(KERN_WARNING, ha, | |
2047 | "Memory Allocation failed - gid_list\n"); | |
2048 | ||
2049 | qla2x00_mem_free(ha); | |
2050 | msleep(100); | |
2051 | ||
2052 | continue; | |
2053 | } | |
2054 | ||
2c3dfe3f SJ |
2055 | /* get consistent memory allocated for init control block */ |
2056 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, | |
2057 | ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL); | |
2058 | if (ha->init_cb == NULL) { | |
1da177e4 | 2059 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 2060 | "Memory Allocation failed - init_cb\n"); |
1da177e4 LT |
2061 | |
2062 | qla2x00_mem_free(ha); | |
2063 | msleep(100); | |
2064 | ||
2065 | continue; | |
2066 | } | |
2c3dfe3f | 2067 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 | 2068 | |
2c3dfe3f SJ |
2069 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
2070 | ha->host_no); | |
2071 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
2072 | DMA_POOL_SIZE, 8, 0); | |
2073 | if (ha->s_dma_pool == NULL) { | |
1da177e4 | 2074 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 2075 | "Memory Allocation failed - s_dma_pool\n"); |
1da177e4 LT |
2076 | |
2077 | qla2x00_mem_free(ha); | |
2078 | msleep(100); | |
2079 | ||
2080 | continue; | |
2081 | } | |
1da177e4 | 2082 | |
1da177e4 LT |
2083 | if (qla2x00_allocate_sp_pool(ha)) { |
2084 | qla_printk(KERN_WARNING, ha, | |
2085 | "Memory Allocation failed - " | |
2086 | "qla2x00_allocate_sp_pool()\n"); | |
2087 | ||
2088 | qla2x00_mem_free(ha); | |
2089 | msleep(100); | |
2090 | ||
2091 | continue; | |
2092 | } | |
2093 | ||
2094 | /* Allocate memory for SNS commands */ | |
2095 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
2096 | /* Get consistent memory allocated for SNS commands */ | |
2097 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
2098 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
2099 | GFP_KERNEL); | |
2100 | if (ha->sns_cmd == NULL) { | |
2101 | /* error */ | |
2102 | qla_printk(KERN_WARNING, ha, | |
2103 | "Memory Allocation failed - sns_cmd\n"); | |
2104 | ||
2105 | qla2x00_mem_free(ha); | |
2106 | msleep(100); | |
2107 | ||
2108 | continue; | |
2109 | } | |
2110 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
2111 | } else { | |
2112 | /* Get consistent memory allocated for MS IOCB */ | |
2113 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
2114 | &ha->ms_iocb_dma); | |
2115 | if (ha->ms_iocb == NULL) { | |
2116 | /* error */ | |
2117 | qla_printk(KERN_WARNING, ha, | |
2118 | "Memory Allocation failed - ms_iocb\n"); | |
2119 | ||
2120 | qla2x00_mem_free(ha); | |
2121 | msleep(100); | |
2122 | ||
2123 | continue; | |
2124 | } | |
2125 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2126 | ||
2127 | /* | |
2128 | * Get consistent memory allocated for CT SNS | |
2129 | * commands | |
2130 | */ | |
2131 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
2132 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
2133 | GFP_KERNEL); | |
2134 | if (ha->ct_sns == NULL) { | |
2135 | /* error */ | |
2136 | qla_printk(KERN_WARNING, ha, | |
2137 | "Memory Allocation failed - ct_sns\n"); | |
2138 | ||
2139 | qla2x00_mem_free(ha); | |
2140 | msleep(100); | |
2141 | ||
2142 | continue; | |
2143 | } | |
2144 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
88729e53 | 2145 | |
e428924c | 2146 | if (IS_FWI2_CAPABLE(ha)) { |
88729e53 AV |
2147 | /* |
2148 | * Get consistent memory allocated for SFP | |
2149 | * block. | |
2150 | */ | |
2151 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, | |
2152 | GFP_KERNEL, &ha->sfp_data_dma); | |
2153 | if (ha->sfp_data == NULL) { | |
2154 | qla_printk(KERN_WARNING, ha, | |
2155 | "Memory Allocation failed - " | |
2156 | "sfp_data\n"); | |
2157 | ||
2158 | qla2x00_mem_free(ha); | |
2159 | msleep(100); | |
2160 | ||
2161 | continue; | |
2162 | } | |
2163 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); | |
2164 | } | |
1da177e4 LT |
2165 | } |
2166 | ||
53772a2c SJ |
2167 | /* Get memory for cached NVRAM */ |
2168 | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); | |
2169 | if (ha->nvram == NULL) { | |
2170 | /* error */ | |
2171 | qla_printk(KERN_WARNING, ha, | |
2172 | "Memory Allocation failed - nvram cache\n"); | |
2173 | ||
2174 | qla2x00_mem_free(ha); | |
2175 | msleep(100); | |
2176 | ||
2177 | continue; | |
2178 | } | |
2179 | ||
1da177e4 LT |
2180 | /* Done all allocations without any error. */ |
2181 | status = 0; | |
2182 | ||
2183 | } while (retry-- && status != 0); | |
2184 | ||
2185 | if (status) { | |
2186 | printk(KERN_WARNING | |
2187 | "%s(): **** FAILED ****\n", __func__); | |
2188 | } | |
2189 | ||
2190 | return(status); | |
2191 | } | |
2192 | ||
2193 | /* | |
2194 | * qla2x00_mem_free | |
2195 | * Frees all adapter allocated memory. | |
2196 | * | |
2197 | * Input: | |
2198 | * ha = adapter block pointer. | |
2199 | */ | |
a824ebb3 | 2200 | static void |
1da177e4 LT |
2201 | qla2x00_mem_free(scsi_qla_host_t *ha) |
2202 | { | |
1da177e4 LT |
2203 | struct list_head *fcpl, *fcptemp; |
2204 | fc_port_t *fcport; | |
1da177e4 LT |
2205 | |
2206 | if (ha == NULL) { | |
2207 | /* error */ | |
2208 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
2209 | return; | |
2210 | } | |
2211 | ||
1da177e4 LT |
2212 | /* free sp pool */ |
2213 | qla2x00_free_sp_pool(ha); | |
2214 | ||
a7a167bf AV |
2215 | if (ha->fw_dump) { |
2216 | if (ha->eft) | |
2217 | dma_free_coherent(&ha->pdev->dev, | |
2218 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); | |
2219 | vfree(ha->fw_dump); | |
2220 | } | |
2221 | ||
1da177e4 LT |
2222 | if (ha->sns_cmd) |
2223 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
2224 | ha->sns_cmd, ha->sns_cmd_dma); | |
2225 | ||
2226 | if (ha->ct_sns) | |
2227 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2228 | ha->ct_sns, ha->ct_sns_dma); | |
2229 | ||
88729e53 AV |
2230 | if (ha->sfp_data) |
2231 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2232 | ||
1da177e4 LT |
2233 | if (ha->ms_iocb) |
2234 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2235 | ||
1da177e4 LT |
2236 | if (ha->s_dma_pool) |
2237 | dma_pool_destroy(ha->s_dma_pool); | |
2238 | ||
2c3dfe3f SJ |
2239 | if (ha->init_cb) |
2240 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, | |
2241 | ha->init_cb, ha->init_cb_dma); | |
2242 | ||
1da177e4 LT |
2243 | if (ha->gid_list) |
2244 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2245 | ha->gid_list_dma); | |
2246 | ||
2247 | if (ha->response_ring) | |
2248 | dma_free_coherent(&ha->pdev->dev, | |
2249 | (ha->response_q_length + 1) * sizeof(response_t), | |
2250 | ha->response_ring, ha->response_dma); | |
2251 | ||
2252 | if (ha->request_ring) | |
2253 | dma_free_coherent(&ha->pdev->dev, | |
2254 | (ha->request_q_length + 1) * sizeof(request_t), | |
2255 | ha->request_ring, ha->request_dma); | |
2256 | ||
a7a167bf AV |
2257 | ha->eft = NULL; |
2258 | ha->eft_dma = 0; | |
1da177e4 LT |
2259 | ha->sns_cmd = NULL; |
2260 | ha->sns_cmd_dma = 0; | |
2261 | ha->ct_sns = NULL; | |
2262 | ha->ct_sns_dma = 0; | |
2263 | ha->ms_iocb = NULL; | |
2264 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2265 | ha->init_cb = NULL; |
2266 | ha->init_cb_dma = 0; | |
2267 | ||
2268 | ha->s_dma_pool = NULL; | |
2269 | ||
1da177e4 LT |
2270 | ha->gid_list = NULL; |
2271 | ha->gid_list_dma = 0; | |
2272 | ||
2273 | ha->response_ring = NULL; | |
2274 | ha->response_dma = 0; | |
2275 | ha->request_ring = NULL; | |
2276 | ha->request_dma = 0; | |
2277 | ||
2278 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2279 | fcport = list_entry(fcpl, fc_port_t, list); | |
2280 | ||
1da177e4 LT |
2281 | /* fc ports */ |
2282 | list_del_init(&fcport->list); | |
2283 | kfree(fcport); | |
2284 | } | |
2285 | INIT_LIST_HEAD(&ha->fcports); | |
2286 | ||
1da177e4 | 2287 | ha->fw_dump = NULL; |
fca29703 | 2288 | ha->fw_dumped = 0; |
1da177e4 | 2289 | ha->fw_dump_reading = 0; |
854165f4 AV |
2290 | |
2291 | vfree(ha->optrom_buffer); | |
53772a2c | 2292 | kfree(ha->nvram); |
1da177e4 LT |
2293 | } |
2294 | ||
2295 | /* | |
2296 | * qla2x00_allocate_sp_pool | |
2297 | * This routine is called during initialization to allocate | |
2298 | * memory for local srb_t. | |
2299 | * | |
2300 | * Input: | |
2301 | * ha = adapter block pointer. | |
2302 | * | |
2303 | * Context: | |
2304 | * Kernel context. | |
1da177e4 LT |
2305 | */ |
2306 | static int | |
fa2a1ce5 | 2307 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2308 | { |
2309 | int rval; | |
2310 | ||
2311 | rval = QLA_SUCCESS; | |
93d2341c | 2312 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
1da177e4 LT |
2313 | if (ha->srb_mempool == NULL) { |
2314 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2315 | rval = QLA_FUNCTION_FAILED; | |
2316 | } | |
2317 | return (rval); | |
2318 | } | |
2319 | ||
2320 | /* | |
2321 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2322 | * |
1da177e4 LT |
2323 | */ |
2324 | static void | |
fa2a1ce5 | 2325 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2326 | { |
2327 | if (ha->srb_mempool) { | |
2328 | mempool_destroy(ha->srb_mempool); | |
2329 | ha->srb_mempool = NULL; | |
2330 | } | |
2331 | } | |
2332 | ||
2333 | /************************************************************************** | |
2334 | * qla2x00_do_dpc | |
2335 | * This kernel thread is a task that is schedule by the interrupt handler | |
2336 | * to perform the background processing for interrupts. | |
2337 | * | |
2338 | * Notes: | |
2339 | * This task always run in the context of a kernel thread. It | |
2340 | * is kick-off by the driver's detect code and starts up | |
2341 | * up one per adapter. It immediately goes to sleep and waits for | |
2342 | * some fibre event. When either the interrupt handler or | |
2343 | * the timer routine detects a event it will one of the task | |
2344 | * bits then wake us up. | |
2345 | **************************************************************************/ | |
2346 | static int | |
2347 | qla2x00_do_dpc(void *data) | |
2348 | { | |
2c3dfe3f | 2349 | int rval; |
1da177e4 LT |
2350 | scsi_qla_host_t *ha; |
2351 | fc_port_t *fcport; | |
1da177e4 | 2352 | uint8_t status; |
1da177e4 | 2353 | uint16_t next_loopid; |
1da177e4 LT |
2354 | |
2355 | ha = (scsi_qla_host_t *)data; | |
2356 | ||
1da177e4 LT |
2357 | set_user_nice(current, -20); |
2358 | ||
39a11240 | 2359 | while (!kthread_should_stop()) { |
1da177e4 LT |
2360 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2361 | ||
39a11240 CH |
2362 | set_current_state(TASK_INTERRUPTIBLE); |
2363 | schedule(); | |
2364 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2365 | |
2366 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2367 | ||
2368 | /* Initialization not yet finished. Don't do anything yet. */ | |
39a11240 | 2369 | if (!ha->flags.init_done) |
1da177e4 LT |
2370 | continue; |
2371 | ||
2372 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2373 | ||
2374 | ha->dpc_active = 1; | |
2375 | ||
1da177e4 | 2376 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2377 | ha->dpc_active = 0; |
2378 | continue; | |
2379 | } | |
2380 | ||
2381 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2382 | ||
2383 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2384 | "qla2x00_abort_isp ha = %p\n", | |
2385 | ha->host_no, ha)); | |
2386 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2387 | &ha->dpc_flags))) { | |
2388 | ||
2389 | if (qla2x00_abort_isp(ha)) { | |
2390 | /* failed. retry later */ | |
2391 | set_bit(ISP_ABORT_NEEDED, | |
2392 | &ha->dpc_flags); | |
2393 | } | |
2394 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2395 | } | |
2396 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2397 | ha->host_no)); | |
2398 | } | |
2399 | ||
d97994dc AV |
2400 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2401 | qla2x00_update_fcports(ha); | |
2402 | ||
91ca7b01 AV |
2403 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2404 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2405 | ha->host_no)); | |
2406 | qla2x00_loop_reset(ha); | |
2407 | } | |
2408 | ||
1da177e4 LT |
2409 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2410 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2411 | ||
2412 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2413 | ha->host_no)); | |
2414 | ||
2415 | qla2x00_rst_aen(ha); | |
2416 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2417 | } | |
2418 | ||
2419 | /* Retry each device up to login retry count */ | |
2420 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2421 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2422 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2423 | ||
2424 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2425 | ha->host_no)); | |
2426 | ||
2427 | next_loopid = 0; | |
2428 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1da177e4 LT |
2429 | /* |
2430 | * If the port is not ONLINE then try to login | |
2431 | * to it if we haven't run out of retries. | |
2432 | */ | |
2433 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2434 | fcport->login_retry) { | |
2435 | ||
1da177e4 LT |
2436 | if (fcport->flags & FCF_FABRIC_DEVICE) { |
2437 | if (fcport->flags & | |
2438 | FCF_TAPE_PRESENT) | |
fd34f556 | 2439 | ha->isp_ops->fabric_logout( |
1c7c6357 AV |
2440 | ha, fcport->loop_id, |
2441 | fcport->d_id.b.domain, | |
2442 | fcport->d_id.b.area, | |
2443 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2444 | status = qla2x00_fabric_login( |
2445 | ha, fcport, &next_loopid); | |
2446 | } else | |
2447 | status = | |
2448 | qla2x00_local_device_login( | |
9a52a57c | 2449 | ha, fcport); |
1da177e4 | 2450 | |
63a8651f | 2451 | fcport->login_retry--; |
1da177e4 LT |
2452 | if (status == QLA_SUCCESS) { |
2453 | fcport->old_loop_id = fcport->loop_id; | |
2454 | ||
2455 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2456 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2457 | |
052c40c8 AV |
2458 | qla2x00_update_fcport(ha, |
2459 | fcport); | |
1da177e4 LT |
2460 | } else if (status == 1) { |
2461 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2462 | /* retry the login again */ | |
2463 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2464 | ha->host_no, | |
2465 | fcport->login_retry, fcport->loop_id)); | |
2466 | } else { | |
2467 | fcport->login_retry = 0; | |
2468 | } | |
63a8651f RA |
2469 | if (fcport->login_retry == 0) |
2470 | fcport->loop_id = FC_NO_LOOP_ID; | |
1da177e4 LT |
2471 | } |
2472 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2473 | break; | |
2474 | } | |
2475 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2476 | ha->host_no)); | |
2477 | } | |
2478 | ||
2479 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2480 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2481 | ||
2482 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2483 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2484 | ha->host_no)); | |
fa2a1ce5 | 2485 | |
1da177e4 LT |
2486 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2487 | ||
2488 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2489 | ha->host_no)); | |
2490 | } | |
2491 | ||
2492 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2493 | ||
2494 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2495 | ha->host_no)); | |
2496 | ||
2497 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2498 | &ha->dpc_flags))) { | |
2499 | ||
2c3dfe3f | 2500 | rval = qla2x00_loop_resync(ha); |
1da177e4 LT |
2501 | |
2502 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2503 | } | |
2504 | ||
2505 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2506 | ha->host_no)); | |
2507 | } | |
2508 | ||
1da177e4 LT |
2509 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2510 | ||
2511 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2512 | ha->host_no)); | |
2513 | ||
2514 | qla2x00_rescan_fcports(ha); | |
2515 | ||
2516 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2517 | "end.\n", | |
2518 | ha->host_no)); | |
2519 | } | |
2520 | ||
1da177e4 | 2521 | if (!ha->interrupts_on) |
fd34f556 | 2522 | ha->isp_ops->enable_intrs(ha); |
1da177e4 | 2523 | |
f6df144c | 2524 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
fd34f556 | 2525 | ha->isp_ops->beacon_blink(ha); |
f6df144c | 2526 | |
2c3dfe3f SJ |
2527 | qla2x00_do_dpc_all_vps(ha); |
2528 | ||
1da177e4 LT |
2529 | ha->dpc_active = 0; |
2530 | } /* End of while(1) */ | |
2531 | ||
2532 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2533 | ||
2534 | /* | |
2535 | * Make sure that nobody tries to wake us up again. | |
2536 | */ | |
1da177e4 LT |
2537 | ha->dpc_active = 0; |
2538 | ||
39a11240 CH |
2539 | return 0; |
2540 | } | |
2541 | ||
2542 | void | |
2543 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) | |
2544 | { | |
2545 | if (ha->dpc_thread) | |
2546 | wake_up_process(ha->dpc_thread); | |
1da177e4 LT |
2547 | } |
2548 | ||
1da177e4 LT |
2549 | /* |
2550 | * qla2x00_rst_aen | |
2551 | * Processes asynchronous reset. | |
2552 | * | |
2553 | * Input: | |
2554 | * ha = adapter block pointer. | |
2555 | */ | |
2556 | static void | |
fa2a1ce5 | 2557 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2558 | { |
2559 | if (ha->flags.online && !ha->flags.reset_active && | |
2560 | !atomic_read(&ha->loop_down_timer) && | |
2561 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2562 | do { | |
2563 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2564 | ||
2565 | /* | |
2566 | * Issue marker command only when we are going to start | |
2567 | * the I/O. | |
2568 | */ | |
2569 | ha->marker_needed = 1; | |
2570 | } while (!atomic_read(&ha->loop_down_timer) && | |
2571 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2572 | } | |
2573 | } | |
2574 | ||
f4f051eb AV |
2575 | static void |
2576 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2577 | { | |
2578 | struct scsi_cmnd *cmd = sp->cmd; | |
2579 | ||
2580 | if (sp->flags & SRB_DMA_VALID) { | |
385d70b4 | 2581 | scsi_dma_unmap(cmd); |
f4f051eb AV |
2582 | sp->flags &= ~SRB_DMA_VALID; |
2583 | } | |
fca29703 | 2584 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2585 | } |
2586 | ||
2587 | void | |
2588 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2589 | { | |
2590 | struct scsi_cmnd *cmd = sp->cmd; | |
2591 | ||
2592 | qla2x00_sp_free_dma(ha, sp); | |
2593 | ||
f4f051eb AV |
2594 | mempool_free(sp, ha->srb_mempool); |
2595 | ||
2596 | cmd->scsi_done(cmd); | |
2597 | } | |
bdf79621 | 2598 | |
1da177e4 LT |
2599 | /************************************************************************** |
2600 | * qla2x00_timer | |
2601 | * | |
2602 | * Description: | |
2603 | * One second timer | |
2604 | * | |
2605 | * Context: Interrupt | |
2606 | ***************************************************************************/ | |
2c3dfe3f | 2607 | void |
1da177e4 LT |
2608 | qla2x00_timer(scsi_qla_host_t *ha) |
2609 | { | |
1da177e4 LT |
2610 | unsigned long cpu_flags = 0; |
2611 | fc_port_t *fcport; | |
1da177e4 LT |
2612 | int start_dpc = 0; |
2613 | int index; | |
2614 | srb_t *sp; | |
f4f051eb | 2615 | int t; |
2c3dfe3f | 2616 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
2617 | |
2618 | /* | |
2619 | * Ports - Port down timer. | |
2620 | * | |
2621 | * Whenever, a port is in the LOST state we start decrementing its port | |
2622 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2623 | * the port it marked DEAD. |
1da177e4 LT |
2624 | */ |
2625 | t = 0; | |
2626 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2627 | if (fcport->port_type != FCT_TARGET) | |
2628 | continue; | |
2629 | ||
2630 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2631 | ||
2632 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2633 | continue; | |
2634 | ||
fa2a1ce5 | 2635 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2636 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2637 | |
1da177e4 | 2638 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2639 | "%d remaining\n", |
1da177e4 LT |
2640 | ha->host_no, |
2641 | t, atomic_read(&fcport->port_down_timer))); | |
2642 | } | |
2643 | t++; | |
2644 | } /* End of for fcport */ | |
2645 | ||
1da177e4 LT |
2646 | |
2647 | /* Loop down handler. */ | |
2648 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2649 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2650 | ||
2651 | if (atomic_read(&ha->loop_down_timer) == | |
2652 | ha->loop_down_abort_time) { | |
2653 | ||
2654 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2655 | "queues before time expire\n", | |
2656 | ha->host_no)); | |
2657 | ||
2658 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2659 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2660 | |
2661 | /* Schedule an ISP abort to return any tape commands. */ | |
2c3dfe3f SJ |
2662 | /* NPIV - scan physical port only */ |
2663 | if (!ha->parent) { | |
2664 | spin_lock_irqsave(&ha->hardware_lock, | |
2665 | cpu_flags); | |
2666 | for (index = 1; | |
2667 | index < MAX_OUTSTANDING_COMMANDS; | |
2668 | index++) { | |
2669 | fc_port_t *sfcp; | |
2670 | ||
2671 | sp = ha->outstanding_cmds[index]; | |
2672 | if (!sp) | |
2673 | continue; | |
2674 | sfcp = sp->fcport; | |
2675 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
2676 | continue; | |
bdf79621 | 2677 | |
2c3dfe3f SJ |
2678 | set_bit(ISP_ABORT_NEEDED, |
2679 | &ha->dpc_flags); | |
2680 | break; | |
2681 | } | |
2682 | spin_unlock_irqrestore(&ha->hardware_lock, | |
2683 | cpu_flags); | |
1da177e4 | 2684 | } |
1da177e4 LT |
2685 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
2686 | start_dpc++; | |
2687 | } | |
2688 | ||
2689 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2690 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2691 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2692 | "restarting queues.\n", | |
2693 | ha->host_no)); | |
2694 | ||
2695 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2696 | start_dpc++; | |
2697 | ||
2698 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2699 | DEBUG(printk("scsi(%ld): Loop down - " | |
2700 | "aborting ISP.\n", | |
2701 | ha->host_no)); | |
2702 | qla_printk(KERN_WARNING, ha, | |
2703 | "Loop down - aborting ISP.\n"); | |
2704 | ||
2705 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2706 | } | |
2707 | } | |
fca29703 | 2708 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2709 | ha->host_no, |
2710 | atomic_read(&ha->loop_down_timer))); | |
2711 | } | |
2712 | ||
f6df144c AV |
2713 | /* Check if beacon LED needs to be blinked */ |
2714 | if (ha->beacon_blink_led == 1) { | |
2715 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2716 | start_dpc++; | |
2717 | } | |
2718 | ||
1da177e4 LT |
2719 | /* Schedule the DPC routine if needed */ |
2720 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2721 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2722 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2723 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2724 | start_dpc || |
2725 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2726 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2727 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
2c3dfe3f | 2728 | test_bit(VP_DPC_NEEDED, &ha->dpc_flags) || |
39a11240 | 2729 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
2c3dfe3f | 2730 | qla2xxx_wake_dpc(pha); |
1da177e4 LT |
2731 | |
2732 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2733 | } | |
2734 | ||
5433383e AV |
2735 | /* Firmware interface routines. */ |
2736 | ||
c3a2f0df | 2737 | #define FW_BLOBS 6 |
5433383e AV |
2738 | #define FW_ISP21XX 0 |
2739 | #define FW_ISP22XX 1 | |
2740 | #define FW_ISP2300 2 | |
2741 | #define FW_ISP2322 3 | |
48c02fde | 2742 | #define FW_ISP24XX 4 |
c3a2f0df | 2743 | #define FW_ISP25XX 5 |
5433383e | 2744 | |
bb8ee499 AV |
2745 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
2746 | #define FW_FILE_ISP22XX "ql2200_fw.bin" | |
2747 | #define FW_FILE_ISP2300 "ql2300_fw.bin" | |
2748 | #define FW_FILE_ISP2322 "ql2322_fw.bin" | |
2749 | #define FW_FILE_ISP24XX "ql2400_fw.bin" | |
c3a2f0df | 2750 | #define FW_FILE_ISP25XX "ql2500_fw.bin" |
bb8ee499 | 2751 | |
5433383e AV |
2752 | static DECLARE_MUTEX(qla_fw_lock); |
2753 | ||
2754 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
bb8ee499 AV |
2755 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
2756 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | |
2757 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | |
2758 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2759 | { .name = FW_FILE_ISP24XX, }, | |
c3a2f0df | 2760 | { .name = FW_FILE_ISP25XX, }, |
5433383e AV |
2761 | }; |
2762 | ||
2763 | struct fw_blob * | |
2764 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2765 | { | |
2766 | struct fw_blob *blob; | |
2767 | ||
2768 | blob = NULL; | |
2769 | if (IS_QLA2100(ha)) { | |
2770 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2771 | } else if (IS_QLA2200(ha)) { | |
2772 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2773 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2774 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2775 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2776 | blob = &qla_fw_blobs[FW_ISP2322]; |
044cc6c8 | 2777 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
5433383e | 2778 | blob = &qla_fw_blobs[FW_ISP24XX]; |
c3a2f0df AV |
2779 | } else if (IS_QLA25XX(ha)) { |
2780 | blob = &qla_fw_blobs[FW_ISP25XX]; | |
5433383e AV |
2781 | } |
2782 | ||
2783 | down(&qla_fw_lock); | |
2784 | if (blob->fw) | |
2785 | goto out; | |
2786 | ||
2787 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2788 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2789 | "(%s).\n", ha->host_no, blob->name)); | |
2790 | blob->fw = NULL; | |
2791 | blob = NULL; | |
2792 | goto out; | |
2793 | } | |
2794 | ||
2795 | out: | |
2796 | up(&qla_fw_lock); | |
2797 | return blob; | |
2798 | } | |
2799 | ||
2800 | static void | |
2801 | qla2x00_release_firmware(void) | |
2802 | { | |
2803 | int idx; | |
2804 | ||
2805 | down(&qla_fw_lock); | |
2806 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2807 | if (qla_fw_blobs[idx].fw) | |
2808 | release_firmware(qla_fw_blobs[idx].fw); | |
2809 | up(&qla_fw_lock); | |
2810 | } | |
2811 | ||
14e660e6 SJ |
2812 | static pci_ers_result_t |
2813 | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
2814 | { | |
2815 | switch (state) { | |
2816 | case pci_channel_io_normal: | |
2817 | return PCI_ERS_RESULT_CAN_RECOVER; | |
2818 | case pci_channel_io_frozen: | |
2819 | pci_disable_device(pdev); | |
2820 | return PCI_ERS_RESULT_NEED_RESET; | |
2821 | case pci_channel_io_perm_failure: | |
2822 | qla2x00_remove_one(pdev); | |
2823 | return PCI_ERS_RESULT_DISCONNECT; | |
2824 | } | |
2825 | return PCI_ERS_RESULT_NEED_RESET; | |
2826 | } | |
2827 | ||
2828 | static pci_ers_result_t | |
2829 | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
2830 | { | |
2831 | int risc_paused = 0; | |
2832 | uint32_t stat; | |
2833 | unsigned long flags; | |
2834 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2835 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
2836 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; | |
2837 | ||
2838 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2839 | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ | |
2840 | stat = RD_REG_DWORD(®->hccr); | |
2841 | if (stat & HCCR_RISC_PAUSE) | |
2842 | risc_paused = 1; | |
2843 | } else if (IS_QLA23XX(ha)) { | |
2844 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
2845 | if (stat & HSR_RISC_PAUSED) | |
2846 | risc_paused = 1; | |
2847 | } else if (IS_FWI2_CAPABLE(ha)) { | |
2848 | stat = RD_REG_DWORD(®24->host_status); | |
2849 | if (stat & HSRX_RISC_PAUSED) | |
2850 | risc_paused = 1; | |
2851 | } | |
2852 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2853 | ||
2854 | if (risc_paused) { | |
2855 | qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " | |
2856 | "Dumping firmware!\n"); | |
2857 | ha->isp_ops->fw_dump(ha, 0); | |
2858 | ||
2859 | return PCI_ERS_RESULT_NEED_RESET; | |
2860 | } else | |
2861 | return PCI_ERS_RESULT_RECOVERED; | |
2862 | } | |
2863 | ||
2864 | static pci_ers_result_t | |
2865 | qla2xxx_pci_slot_reset(struct pci_dev *pdev) | |
2866 | { | |
2867 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
2868 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2869 | ||
285d0321 | 2870 | if (pci_enable_device_bars(pdev, ha->bars)) { |
14e660e6 SJ |
2871 | qla_printk(KERN_WARNING, ha, |
2872 | "Can't re-enable PCI device after reset.\n"); | |
2873 | ||
2874 | return ret; | |
2875 | } | |
2876 | pci_set_master(pdev); | |
2877 | ||
2878 | if (ha->isp_ops->pci_config(ha)) | |
2879 | return ret; | |
2880 | ||
2881 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2882 | if (qla2x00_abort_isp(ha)== QLA_SUCCESS) | |
2883 | ret = PCI_ERS_RESULT_RECOVERED; | |
2884 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2885 | ||
2886 | return ret; | |
2887 | } | |
2888 | ||
2889 | static void | |
2890 | qla2xxx_pci_resume(struct pci_dev *pdev) | |
2891 | { | |
2892 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2893 | int ret; | |
2894 | ||
2895 | ret = qla2x00_wait_for_hba_online(ha); | |
2896 | if (ret != QLA_SUCCESS) { | |
2897 | qla_printk(KERN_ERR, ha, | |
2898 | "the device failed to resume I/O " | |
2899 | "from slot/link_reset"); | |
2900 | } | |
2901 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
2902 | } | |
2903 | ||
2904 | static struct pci_error_handlers qla2xxx_err_handler = { | |
2905 | .error_detected = qla2xxx_pci_error_detected, | |
2906 | .mmio_enabled = qla2xxx_pci_mmio_enabled, | |
2907 | .slot_reset = qla2xxx_pci_slot_reset, | |
2908 | .resume = qla2xxx_pci_resume, | |
2909 | }; | |
2910 | ||
5433383e | 2911 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2912 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2913 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2914 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2915 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2916 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2917 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2918 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2919 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2920 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
2921 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | |
2922 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
c3a2f0df | 2923 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
5433383e AV |
2924 | { 0 }, |
2925 | }; | |
2926 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2927 | ||
fca29703 | 2928 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2929 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2930 | .driver = { |
2931 | .owner = THIS_MODULE, | |
2932 | }, | |
fca29703 | 2933 | .id_table = qla2xxx_pci_tbl, |
7ee61397 AV |
2934 | .probe = qla2x00_probe_one, |
2935 | .remove = __devexit_p(qla2x00_remove_one), | |
14e660e6 | 2936 | .err_handler = &qla2xxx_err_handler, |
fca29703 AV |
2937 | }; |
2938 | ||
1da177e4 LT |
2939 | /** |
2940 | * qla2x00_module_init - Module initialization. | |
2941 | **/ | |
2942 | static int __init | |
2943 | qla2x00_module_init(void) | |
2944 | { | |
fca29703 AV |
2945 | int ret = 0; |
2946 | ||
1da177e4 | 2947 | /* Allocate cache for SRBs. */ |
354d6b21 | 2948 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
20c2df83 | 2949 | SLAB_HWCACHE_ALIGN, NULL); |
1da177e4 LT |
2950 | if (srb_cachep == NULL) { |
2951 | printk(KERN_ERR | |
2952 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2953 | return -ENOMEM; | |
2954 | } | |
2955 | ||
2956 | /* Derive version string. */ | |
2957 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
11010fec | 2958 | if (ql2xextended_error_logging) |
0181944f AV |
2959 | strcat(qla2x00_version_str, "-debug"); |
2960 | ||
1c97a12a AV |
2961 | qla2xxx_transport_template = |
2962 | fc_attach_transport(&qla2xxx_transport_functions); | |
2c3dfe3f SJ |
2963 | if (!qla2xxx_transport_template) { |
2964 | kmem_cache_destroy(srb_cachep); | |
1da177e4 | 2965 | return -ENODEV; |
2c3dfe3f SJ |
2966 | } |
2967 | qla2xxx_transport_vport_template = | |
2968 | fc_attach_transport(&qla2xxx_transport_vport_functions); | |
2969 | if (!qla2xxx_transport_vport_template) { | |
2970 | kmem_cache_destroy(srb_cachep); | |
2971 | fc_release_transport(qla2xxx_transport_template); | |
1da177e4 | 2972 | return -ENODEV; |
2c3dfe3f | 2973 | } |
1da177e4 LT |
2974 | |
2975 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
7ee61397 | 2976 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
2977 | if (ret) { |
2978 | kmem_cache_destroy(srb_cachep); | |
2979 | fc_release_transport(qla2xxx_transport_template); | |
2c3dfe3f | 2980 | fc_release_transport(qla2xxx_transport_vport_template); |
fca29703 AV |
2981 | } |
2982 | return ret; | |
1da177e4 LT |
2983 | } |
2984 | ||
2985 | /** | |
2986 | * qla2x00_module_exit - Module cleanup. | |
2987 | **/ | |
2988 | static void __exit | |
2989 | qla2x00_module_exit(void) | |
2990 | { | |
7ee61397 | 2991 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 2992 | qla2x00_release_firmware(); |
354d6b21 | 2993 | kmem_cache_destroy(srb_cachep); |
1da177e4 | 2994 | fc_release_transport(qla2xxx_transport_template); |
2c3dfe3f | 2995 | fc_release_transport(qla2xxx_transport_vport_template); |
1da177e4 LT |
2996 | } |
2997 | ||
2998 | module_init(qla2x00_module_init); | |
2999 | module_exit(qla2x00_module_exit); | |
3000 | ||
3001 | MODULE_AUTHOR("QLogic Corporation"); | |
3002 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
3003 | MODULE_LICENSE("GPL"); | |
3004 | MODULE_VERSION(QLA2XXX_VERSION); | |
bb8ee499 AV |
3005 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
3006 | MODULE_FIRMWARE(FW_FILE_ISP22XX); | |
3007 | MODULE_FIRMWARE(FW_FILE_ISP2300); | |
3008 | MODULE_FIRMWARE(FW_FILE_ISP2322); | |
3009 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |