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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f AV |
2 | * QLogic Fibre Channel HBA Driver |
3 | * Copyright (c) 2003-2005 QLogic Corporation | |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
9 | #include <linux/moduleparam.h> | |
10 | #include <linux/vmalloc.h> | |
1da177e4 | 11 | #include <linux/delay.h> |
39a11240 | 12 | #include <linux/kthread.h> |
1da177e4 LT |
13 | |
14 | #include <scsi/scsi_tcq.h> | |
15 | #include <scsi/scsicam.h> | |
16 | #include <scsi/scsi_transport.h> | |
17 | #include <scsi/scsi_transport_fc.h> | |
18 | ||
19 | /* | |
20 | * Driver version | |
21 | */ | |
22 | char qla2x00_version_str[40]; | |
23 | ||
24 | /* | |
25 | * SRB allocation cache | |
26 | */ | |
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 *); | |
108 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); | |
109 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); | |
110 | ||
ce7e4af7 AV |
111 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
112 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
113 | ||
2c3dfe3f | 114 | struct scsi_host_template qla2x00_driver_template = { |
1da177e4 | 115 | .module = THIS_MODULE, |
cb63067a | 116 | .name = QLA2XXX_DRIVER_NAME, |
1da177e4 LT |
117 | .queuecommand = qla2x00_queuecommand, |
118 | ||
119 | .eh_abort_handler = qla2xxx_eh_abort, | |
120 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
121 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
122 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
123 | ||
124 | .slave_configure = qla2xxx_slave_configure, | |
125 | ||
f4f051eb AV |
126 | .slave_alloc = qla2xxx_slave_alloc, |
127 | .slave_destroy = qla2xxx_slave_destroy, | |
1e99e33a AV |
128 | .scan_finished = qla2xxx_scan_finished, |
129 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
130 | .change_queue_depth = qla2x00_change_queue_depth, |
131 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
132 | .this_id = -1, |
133 | .cmd_per_lun = 3, | |
134 | .use_clustering = ENABLE_CLUSTERING, | |
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, | |
166 | .sg_tablesize = SG_ALL, | |
167 | ||
168 | .max_sectors = 0xFFFF, | |
afb046e2 | 169 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
170 | }; |
171 | ||
1da177e4 | 172 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
2c3dfe3f | 173 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
1da177e4 | 174 | |
1da177e4 LT |
175 | /* TODO Convert to inlines |
176 | * | |
177 | * Timer routines | |
178 | */ | |
1da177e4 | 179 | |
2c3dfe3f | 180 | void qla2x00_timer(scsi_qla_host_t *); |
1da177e4 | 181 | |
2c3dfe3f | 182 | __inline__ void qla2x00_start_timer(scsi_qla_host_t *, |
1da177e4 LT |
183 | void *, unsigned long); |
184 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
2c3dfe3f | 185 | __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); |
1da177e4 | 186 | |
2c3dfe3f | 187 | __inline__ void |
1da177e4 LT |
188 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
189 | { | |
190 | init_timer(&ha->timer); | |
191 | ha->timer.expires = jiffies + interval * HZ; | |
192 | ha->timer.data = (unsigned long)ha; | |
193 | ha->timer.function = (void (*)(unsigned long))func; | |
194 | add_timer(&ha->timer); | |
195 | ha->timer_active = 1; | |
196 | } | |
197 | ||
198 | static inline void | |
199 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
200 | { | |
201 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
202 | } | |
203 | ||
2c3dfe3f | 204 | __inline__ void |
1da177e4 LT |
205 | qla2x00_stop_timer(scsi_qla_host_t *ha) |
206 | { | |
207 | del_timer_sync(&ha->timer); | |
208 | ha->timer_active = 0; | |
209 | } | |
210 | ||
1da177e4 LT |
211 | static int qla2x00_do_dpc(void *data); |
212 | ||
213 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
214 | ||
2c3dfe3f SJ |
215 | uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); |
216 | void qla2x00_mem_free(scsi_qla_host_t *ha); | |
1da177e4 LT |
217 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); |
218 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb AV |
219 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
220 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 221 | |
1da177e4 LT |
222 | /* -------------------------------------------------------------------------- */ |
223 | ||
1da177e4 | 224 | static char * |
abbd8870 | 225 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
226 | { |
227 | static char *pci_bus_modes[] = { | |
228 | "33", "66", "100", "133", | |
229 | }; | |
230 | uint16_t pci_bus; | |
231 | ||
232 | strcpy(str, "PCI"); | |
233 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
234 | if (pci_bus) { | |
235 | strcat(str, "-X ("); | |
236 | strcat(str, pci_bus_modes[pci_bus]); | |
237 | } else { | |
238 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
239 | strcat(str, " ("); | |
240 | strcat(str, pci_bus_modes[pci_bus]); | |
241 | } | |
242 | strcat(str, " MHz)"); | |
243 | ||
244 | return (str); | |
245 | } | |
246 | ||
fca29703 AV |
247 | static char * |
248 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
249 | { | |
250 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
251 | uint32_t pci_bus; | |
252 | int pcie_reg; | |
253 | ||
254 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
255 | if (pcie_reg) { | |
256 | char lwstr[6]; | |
257 | uint16_t pcie_lstat, lspeed, lwidth; | |
258 | ||
259 | pcie_reg += 0x12; | |
260 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
261 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
262 | lwidth = (pcie_lstat & | |
263 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
264 | ||
265 | strcpy(str, "PCIe ("); | |
266 | if (lspeed == 1) | |
267 | strcat(str, "2.5Gb/s "); | |
268 | else | |
269 | strcat(str, "<unknown> "); | |
270 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
271 | strcat(str, lwstr); | |
272 | ||
273 | return str; | |
274 | } | |
275 | ||
276 | strcpy(str, "PCI"); | |
277 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
278 | if (pci_bus == 0 || pci_bus == 8) { | |
279 | strcat(str, " ("); | |
280 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
281 | } else { | |
282 | strcat(str, "-X "); | |
283 | if (pci_bus & BIT_2) | |
284 | strcat(str, "Mode 2"); | |
285 | else | |
286 | strcat(str, "Mode 1"); | |
287 | strcat(str, " ("); | |
288 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
289 | } | |
290 | strcat(str, " MHz)"); | |
291 | ||
292 | return str; | |
293 | } | |
294 | ||
e5f82ab8 | 295 | static char * |
abbd8870 | 296 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
297 | { |
298 | char un_str[10]; | |
fa2a1ce5 | 299 | |
1da177e4 LT |
300 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
301 | ha->fw_minor_version, | |
302 | ha->fw_subminor_version); | |
303 | ||
304 | if (ha->fw_attributes & BIT_9) { | |
305 | strcat(str, "FLX"); | |
306 | return (str); | |
307 | } | |
308 | ||
309 | switch (ha->fw_attributes & 0xFF) { | |
310 | case 0x7: | |
311 | strcat(str, "EF"); | |
312 | break; | |
313 | case 0x17: | |
314 | strcat(str, "TP"); | |
315 | break; | |
316 | case 0x37: | |
317 | strcat(str, "IP"); | |
318 | break; | |
319 | case 0x77: | |
320 | strcat(str, "VI"); | |
321 | break; | |
322 | default: | |
323 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
324 | strcat(str, un_str); | |
325 | break; | |
326 | } | |
327 | if (ha->fw_attributes & 0x100) | |
328 | strcat(str, "X"); | |
329 | ||
330 | return (str); | |
331 | } | |
332 | ||
e5f82ab8 | 333 | static char * |
fca29703 AV |
334 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
335 | { | |
f0883ac6 AV |
336 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
337 | ha->fw_minor_version, | |
338 | ha->fw_subminor_version); | |
339 | ||
fca29703 AV |
340 | if (ha->fw_attributes & BIT_0) |
341 | strcat(str, "[Class 2] "); | |
342 | if (ha->fw_attributes & BIT_1) | |
343 | strcat(str, "[IP] "); | |
344 | if (ha->fw_attributes & BIT_2) | |
345 | strcat(str, "[Multi-ID] "); | |
346 | if (ha->fw_attributes & BIT_13) | |
347 | strcat(str, "[Experimental]"); | |
348 | return str; | |
fca29703 AV |
349 | } |
350 | ||
351 | static inline srb_t * | |
352 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
353 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
354 | { | |
355 | srb_t *sp; | |
356 | ||
357 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
358 | if (!sp) | |
359 | return sp; | |
360 | ||
fca29703 AV |
361 | sp->ha = ha; |
362 | sp->fcport = fcport; | |
363 | sp->cmd = cmd; | |
364 | sp->flags = 0; | |
365 | CMD_SP(cmd) = (void *)sp; | |
366 | cmd->scsi_done = done; | |
367 | ||
368 | return sp; | |
369 | } | |
370 | ||
1da177e4 | 371 | static int |
f4f051eb | 372 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 373 | { |
f4f051eb | 374 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 375 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 376 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb AV |
377 | srb_t *sp; |
378 | int rval; | |
1da177e4 | 379 | |
19a7b4ae JSEC |
380 | rval = fc_remote_port_chkready(rport); |
381 | if (rval) { | |
382 | cmd->result = rval; | |
f4f051eb AV |
383 | goto qc_fail_command; |
384 | } | |
1da177e4 | 385 | |
387f96b4 AV |
386 | /* Close window on fcport/rport state-transitioning. */ |
387 | if (!*(fc_port_t **)rport->dd_data) { | |
388 | cmd->result = DID_IMM_RETRY << 16; | |
389 | goto qc_fail_command; | |
390 | } | |
391 | ||
f4f051eb AV |
392 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
393 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
394 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
395 | cmd->result = DID_NO_CONNECT << 16; | |
396 | goto qc_fail_command; | |
397 | } | |
398 | goto qc_host_busy; | |
399 | } | |
1da177e4 LT |
400 | |
401 | spin_unlock_irq(ha->host->host_lock); | |
402 | ||
fca29703 AV |
403 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
404 | if (!sp) | |
f4f051eb | 405 | goto qc_host_busy_lock; |
1da177e4 | 406 | |
f4f051eb AV |
407 | rval = qla2x00_start_scsi(sp); |
408 | if (rval != QLA_SUCCESS) | |
409 | goto qc_host_busy_free_sp; | |
1da177e4 | 410 | |
f4f051eb | 411 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 412 | |
f4f051eb | 413 | return 0; |
1da177e4 | 414 | |
f4f051eb AV |
415 | qc_host_busy_free_sp: |
416 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 417 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 418 | |
f4f051eb AV |
419 | qc_host_busy_lock: |
420 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 421 | |
f4f051eb AV |
422 | qc_host_busy: |
423 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 424 | |
f4f051eb AV |
425 | qc_fail_command: |
426 | done(cmd); | |
1da177e4 | 427 | |
f4f051eb | 428 | return 0; |
1da177e4 LT |
429 | } |
430 | ||
fca29703 AV |
431 | |
432 | static int | |
433 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
434 | { | |
435 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); | |
436 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | |
19a7b4ae | 437 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
438 | srb_t *sp; |
439 | int rval; | |
2c3dfe3f | 440 | scsi_qla_host_t *pha = to_qla_parent(ha); |
fca29703 | 441 | |
19a7b4ae JSEC |
442 | rval = fc_remote_port_chkready(rport); |
443 | if (rval) { | |
444 | cmd->result = rval; | |
fca29703 AV |
445 | goto qc24_fail_command; |
446 | } | |
447 | ||
387f96b4 AV |
448 | /* Close window on fcport/rport state-transitioning. */ |
449 | if (!*(fc_port_t **)rport->dd_data) { | |
450 | cmd->result = DID_IMM_RETRY << 16; | |
451 | goto qc24_fail_command; | |
452 | } | |
453 | ||
fca29703 AV |
454 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
455 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
2c3dfe3f | 456 | atomic_read(&pha->loop_state) == LOOP_DEAD) { |
fca29703 AV |
457 | cmd->result = DID_NO_CONNECT << 16; |
458 | goto qc24_fail_command; | |
459 | } | |
460 | goto qc24_host_busy; | |
461 | } | |
462 | ||
463 | spin_unlock_irq(ha->host->host_lock); | |
464 | ||
2c3dfe3f | 465 | sp = qla2x00_get_new_sp(pha, fcport, cmd, done); |
fca29703 AV |
466 | if (!sp) |
467 | goto qc24_host_busy_lock; | |
468 | ||
469 | rval = qla24xx_start_scsi(sp); | |
470 | if (rval != QLA_SUCCESS) | |
471 | goto qc24_host_busy_free_sp; | |
472 | ||
473 | spin_lock_irq(ha->host->host_lock); | |
474 | ||
475 | return 0; | |
476 | ||
477 | qc24_host_busy_free_sp: | |
2c3dfe3f SJ |
478 | qla2x00_sp_free_dma(pha, sp); |
479 | mempool_free(sp, pha->srb_mempool); | |
fca29703 AV |
480 | |
481 | qc24_host_busy_lock: | |
482 | spin_lock_irq(ha->host->host_lock); | |
483 | ||
484 | qc24_host_busy: | |
485 | return SCSI_MLQUEUE_HOST_BUSY; | |
486 | ||
487 | qc24_fail_command: | |
488 | done(cmd); | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | ||
1da177e4 LT |
494 | /* |
495 | * qla2x00_eh_wait_on_command | |
496 | * Waits for the command to be returned by the Firmware for some | |
497 | * max time. | |
498 | * | |
499 | * Input: | |
500 | * ha = actual ha whose done queue will contain the command | |
501 | * returned by firmware. | |
502 | * cmd = Scsi Command to wait on. | |
503 | * flag = Abort/Reset(Bus or Device Reset) | |
504 | * | |
505 | * Return: | |
506 | * Not Found : 0 | |
507 | * Found : 1 | |
508 | */ | |
509 | static int | |
510 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
511 | { | |
fe74c71f AV |
512 | #define ABORT_POLLING_PERIOD 1000 |
513 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb AV |
514 | unsigned long wait_iter = ABORT_WAIT_ITER; |
515 | int ret = QLA_SUCCESS; | |
1da177e4 | 516 | |
f4f051eb | 517 | while (CMD_SP(cmd)) { |
fe74c71f | 518 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 519 | |
f4f051eb AV |
520 | if (--wait_iter) |
521 | break; | |
522 | } | |
523 | if (CMD_SP(cmd)) | |
524 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 525 | |
f4f051eb | 526 | return ret; |
1da177e4 LT |
527 | } |
528 | ||
529 | /* | |
530 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 531 | * Wait till the HBA is online after going through |
1da177e4 LT |
532 | * <= MAX_RETRIES_OF_ISP_ABORT or |
533 | * finally HBA is disabled ie marked offline | |
534 | * | |
535 | * Input: | |
536 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
537 | * |
538 | * Note: | |
1da177e4 LT |
539 | * Does context switching-Release SPIN_LOCK |
540 | * (if any) before calling this routine. | |
541 | * | |
542 | * Return: | |
543 | * Success (Adapter is online) : 0 | |
544 | * Failed (Adapter is offline/disabled) : 1 | |
545 | */ | |
854165f4 | 546 | int |
1da177e4 LT |
547 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
548 | { | |
fca29703 AV |
549 | int return_status; |
550 | unsigned long wait_online; | |
2c3dfe3f | 551 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 552 | |
fa2a1ce5 | 553 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
2c3dfe3f SJ |
554 | while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) || |
555 | test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) || | |
556 | test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) || | |
557 | pha->dpc_active) && time_before(jiffies, wait_online)) { | |
1da177e4 LT |
558 | |
559 | msleep(1000); | |
560 | } | |
2c3dfe3f | 561 | if (pha->flags.online) |
fa2a1ce5 | 562 | return_status = QLA_SUCCESS; |
1da177e4 LT |
563 | else |
564 | return_status = QLA_FUNCTION_FAILED; | |
565 | ||
566 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
567 | ||
568 | return (return_status); | |
569 | } | |
570 | ||
571 | /* | |
572 | * qla2x00_wait_for_loop_ready | |
573 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 574 | * to be in LOOP_READY state. |
1da177e4 LT |
575 | * Input: |
576 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
577 | * |
578 | * Note: | |
1da177e4 LT |
579 | * Does context switching-Release SPIN_LOCK |
580 | * (if any) before calling this routine. | |
fa2a1ce5 | 581 | * |
1da177e4 LT |
582 | * |
583 | * Return: | |
584 | * Success (LOOP_READY) : 0 | |
585 | * Failed (LOOP_NOT_READY) : 1 | |
586 | */ | |
fa2a1ce5 | 587 | static inline int |
1da177e4 LT |
588 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
589 | { | |
590 | int return_status = QLA_SUCCESS; | |
591 | unsigned long loop_timeout ; | |
2c3dfe3f | 592 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
593 | |
594 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 595 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 | 596 | |
2c3dfe3f SJ |
597 | while ((!atomic_read(&pha->loop_down_timer) && |
598 | atomic_read(&pha->loop_state) == LOOP_DOWN) || | |
599 | atomic_read(&pha->loop_state) != LOOP_READY) { | |
600 | if (atomic_read(&pha->loop_state) == LOOP_DEAD) { | |
57680080 RA |
601 | return_status = QLA_FUNCTION_FAILED; |
602 | break; | |
603 | } | |
1da177e4 LT |
604 | msleep(1000); |
605 | if (time_after_eq(jiffies, loop_timeout)) { | |
606 | return_status = QLA_FUNCTION_FAILED; | |
607 | break; | |
608 | } | |
609 | } | |
fa2a1ce5 | 610 | return (return_status); |
1da177e4 LT |
611 | } |
612 | ||
07db5183 AV |
613 | static void |
614 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) | |
615 | { | |
616 | struct Scsi_Host *shost = cmnd->device->host; | |
617 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); | |
618 | unsigned long flags; | |
619 | ||
620 | spin_lock_irqsave(shost->host_lock, flags); | |
621 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { | |
622 | spin_unlock_irqrestore(shost->host_lock, flags); | |
623 | msleep(1000); | |
624 | spin_lock_irqsave(shost->host_lock, flags); | |
625 | } | |
626 | spin_unlock_irqrestore(shost->host_lock, flags); | |
627 | return; | |
628 | } | |
629 | ||
1da177e4 LT |
630 | /************************************************************************** |
631 | * qla2xxx_eh_abort | |
632 | * | |
633 | * Description: | |
634 | * The abort function will abort the specified command. | |
635 | * | |
636 | * Input: | |
637 | * cmd = Linux SCSI command packet to be aborted. | |
638 | * | |
639 | * Returns: | |
640 | * Either SUCCESS or FAILED. | |
641 | * | |
642 | * Note: | |
2ea00202 | 643 | * Only return FAILED if command not returned by firmware. |
1da177e4 | 644 | **************************************************************************/ |
e5f82ab8 | 645 | static int |
1da177e4 LT |
646 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
647 | { | |
f4f051eb AV |
648 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
649 | srb_t *sp; | |
650 | int ret, i; | |
651 | unsigned int id, lun; | |
652 | unsigned long serial; | |
18e144d3 | 653 | unsigned long flags; |
2ea00202 | 654 | int wait = 0; |
2c3dfe3f | 655 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 656 | |
07db5183 AV |
657 | qla2x00_block_error_handler(cmd); |
658 | ||
f4f051eb | 659 | if (!CMD_SP(cmd)) |
2ea00202 | 660 | return SUCCESS; |
1da177e4 | 661 | |
2ea00202 | 662 | ret = SUCCESS; |
1da177e4 | 663 | |
f4f051eb AV |
664 | id = cmd->device->id; |
665 | lun = cmd->device->lun; | |
666 | serial = cmd->serial_number; | |
1da177e4 | 667 | |
f4f051eb | 668 | /* Check active list for command command. */ |
2c3dfe3f | 669 | spin_lock_irqsave(&pha->hardware_lock, flags); |
f4f051eb | 670 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
2c3dfe3f | 671 | sp = pha->outstanding_cmds[i]; |
1da177e4 | 672 | |
f4f051eb AV |
673 | if (sp == NULL) |
674 | continue; | |
1da177e4 | 675 | |
f4f051eb AV |
676 | if (sp->cmd != cmd) |
677 | continue; | |
1da177e4 | 678 | |
75bc4190 AV |
679 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
680 | __func__, ha->host_no, sp, serial)); | |
744f11fd | 681 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
1da177e4 | 682 | |
2c3dfe3f | 683 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
abbd8870 | 684 | if (ha->isp_ops.abort_command(ha, sp)) { |
f4f051eb AV |
685 | DEBUG2(printk("%s(%ld): abort_command " |
686 | "mbx failed.\n", __func__, ha->host_no)); | |
687 | } else { | |
688 | DEBUG3(printk("%s(%ld): abort_command " | |
689 | "mbx success.\n", __func__, ha->host_no)); | |
2ea00202 | 690 | wait = 1; |
f4f051eb | 691 | } |
2c3dfe3f | 692 | spin_lock_irqsave(&pha->hardware_lock, flags); |
1da177e4 | 693 | |
f4f051eb AV |
694 | break; |
695 | } | |
2c3dfe3f | 696 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 | 697 | |
f4f051eb | 698 | /* Wait for the command to be returned. */ |
2ea00202 | 699 | if (wait) { |
f4f051eb | 700 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 701 | qla_printk(KERN_ERR, ha, |
f4f051eb AV |
702 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
703 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
2ea00202 | 704 | ret = FAILED; |
f4f051eb | 705 | } |
1da177e4 | 706 | } |
1da177e4 | 707 | |
fa2a1ce5 | 708 | qla_printk(KERN_INFO, ha, |
2ea00202 MR |
709 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
710 | ha->host_no, id, lun, wait, serial, ret); | |
1da177e4 | 711 | |
f4f051eb AV |
712 | return ret; |
713 | } | |
1da177e4 | 714 | |
f4f051eb AV |
715 | /************************************************************************** |
716 | * qla2x00_eh_wait_for_pending_target_commands | |
717 | * | |
718 | * Description: | |
719 | * Waits for all the commands to come back from the specified target. | |
720 | * | |
721 | * Input: | |
722 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 723 | * t - target |
f4f051eb AV |
724 | * Returns: |
725 | * Either SUCCESS or FAILED. | |
726 | * | |
727 | * Note: | |
728 | **************************************************************************/ | |
729 | static int | |
730 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
731 | { | |
732 | int cnt; | |
733 | int status; | |
734 | srb_t *sp; | |
735 | struct scsi_cmnd *cmd; | |
18e144d3 | 736 | unsigned long flags; |
2c3dfe3f | 737 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 738 | |
f4f051eb | 739 | status = 0; |
1da177e4 LT |
740 | |
741 | /* | |
f4f051eb AV |
742 | * Waiting for all commands for the designated target in the active |
743 | * array | |
1da177e4 LT |
744 | */ |
745 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
2c3dfe3f SJ |
746 | spin_lock_irqsave(&pha->hardware_lock, flags); |
747 | sp = pha->outstanding_cmds[cnt]; | |
1da177e4 LT |
748 | if (sp) { |
749 | cmd = sp->cmd; | |
2c3dfe3f SJ |
750 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
751 | if (cmd->device->id == t && | |
752 | ha->vp_idx == sp->ha->vp_idx) { | |
1da177e4 LT |
753 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { |
754 | status = 1; | |
755 | break; | |
756 | } | |
757 | } | |
f4f051eb | 758 | } else { |
2c3dfe3f | 759 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 LT |
760 | } |
761 | } | |
762 | return (status); | |
763 | } | |
764 | ||
765 | ||
766 | /************************************************************************** | |
767 | * qla2xxx_eh_device_reset | |
768 | * | |
769 | * Description: | |
770 | * The device reset function will reset the target and abort any | |
771 | * executing commands. | |
772 | * | |
773 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 774 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
775 | * non-null. |
776 | * | |
777 | * Input: | |
778 | * cmd = Linux SCSI command packet of the command that cause the | |
779 | * bus device reset. | |
780 | * | |
781 | * Returns: | |
782 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
783 | * | |
784 | **************************************************************************/ | |
e5f82ab8 | 785 | static int |
1da177e4 LT |
786 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
787 | { | |
f4f051eb | 788 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 789 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 790 | int ret = FAILED; |
f4f051eb AV |
791 | unsigned int id, lun; |
792 | unsigned long serial; | |
1da177e4 | 793 | |
07db5183 AV |
794 | qla2x00_block_error_handler(cmd); |
795 | ||
f4f051eb AV |
796 | id = cmd->device->id; |
797 | lun = cmd->device->lun; | |
798 | serial = cmd->serial_number; | |
1da177e4 | 799 | |
b0328bee | 800 | if (!fcport) |
f4f051eb | 801 | return ret; |
1da177e4 LT |
802 | |
803 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 804 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 805 | |
94d0e7b8 | 806 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 807 | goto eh_dev_reset_done; |
1da177e4 LT |
808 | |
809 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
810 | if (qla2x00_device_reset(ha, fcport) == 0) |
811 | ret = SUCCESS; | |
1da177e4 LT |
812 | |
813 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb AV |
814 | if (ret == SUCCESS) { |
815 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
abbd8870 | 816 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
d97994dc | 817 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
818 | } |
819 | } | |
820 | #endif | |
821 | } else { | |
822 | DEBUG2(printk(KERN_INFO | |
744f11fd | 823 | "%s failed: loop not ready\n",__func__)); |
1da177e4 LT |
824 | } |
825 | ||
f4f051eb | 826 | if (ret == FAILED) { |
1da177e4 LT |
827 | DEBUG3(printk("%s(%ld): device reset failed\n", |
828 | __func__, ha->host_no)); | |
829 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
830 | __func__); | |
831 | ||
832 | goto eh_dev_reset_done; | |
833 | } | |
834 | ||
9a41a62b AV |
835 | /* Flush outstanding commands. */ |
836 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
837 | ret = FAILED; | |
838 | if (ret == FAILED) { | |
839 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
840 | __func__, ha->host_no)); | |
841 | qla_printk(KERN_INFO, ha, | |
842 | "%s: failed while waiting for commands\n", __func__); | |
843 | } else | |
844 | qla_printk(KERN_INFO, ha, | |
845 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
846 | id, lun); | |
28f22b03 | 847 | eh_dev_reset_done: |
f4f051eb | 848 | return ret; |
1da177e4 LT |
849 | } |
850 | ||
851 | /************************************************************************** | |
852 | * qla2x00_eh_wait_for_pending_commands | |
853 | * | |
854 | * Description: | |
855 | * Waits for all the commands to come back from the specified host. | |
856 | * | |
857 | * Input: | |
858 | * ha - pointer to scsi_qla_host structure. | |
859 | * | |
860 | * Returns: | |
861 | * 1 : SUCCESS | |
862 | * 0 : FAILED | |
863 | * | |
864 | * Note: | |
865 | **************************************************************************/ | |
866 | static int | |
867 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
868 | { | |
869 | int cnt; | |
870 | int status; | |
871 | srb_t *sp; | |
872 | struct scsi_cmnd *cmd; | |
18e144d3 | 873 | unsigned long flags; |
1da177e4 LT |
874 | |
875 | status = 1; | |
876 | ||
877 | /* | |
878 | * Waiting for all commands for the designated target in the active | |
879 | * array | |
880 | */ | |
881 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 882 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
883 | sp = ha->outstanding_cmds[cnt]; |
884 | if (sp) { | |
885 | cmd = sp->cmd; | |
18e144d3 | 886 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
887 | status = qla2x00_eh_wait_on_command(ha, cmd); |
888 | if (status == 0) | |
889 | break; | |
890 | } | |
891 | else { | |
18e144d3 | 892 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
893 | } |
894 | } | |
895 | return (status); | |
896 | } | |
897 | ||
898 | ||
899 | /************************************************************************** | |
900 | * qla2xxx_eh_bus_reset | |
901 | * | |
902 | * Description: | |
903 | * The bus reset function will reset the bus and abort any executing | |
904 | * commands. | |
905 | * | |
906 | * Input: | |
907 | * cmd = Linux SCSI command packet of the command that cause the | |
908 | * bus reset. | |
909 | * | |
910 | * Returns: | |
911 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
912 | * | |
913 | **************************************************************************/ | |
e5f82ab8 | 914 | static int |
1da177e4 LT |
915 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
916 | { | |
f4f051eb | 917 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
2c3dfe3f | 918 | scsi_qla_host_t *pha = to_qla_parent(ha); |
bdf79621 | 919 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 920 | int ret = FAILED; |
f4f051eb AV |
921 | unsigned int id, lun; |
922 | unsigned long serial; | |
923 | ||
07db5183 AV |
924 | qla2x00_block_error_handler(cmd); |
925 | ||
f4f051eb AV |
926 | id = cmd->device->id; |
927 | lun = cmd->device->lun; | |
928 | serial = cmd->serial_number; | |
1da177e4 | 929 | |
b0328bee | 930 | if (!fcport) |
f4f051eb | 931 | return ret; |
1da177e4 LT |
932 | |
933 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 934 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 935 | |
1da177e4 LT |
936 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
937 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 938 | goto eh_bus_reset_done; |
1da177e4 LT |
939 | } |
940 | ||
941 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb AV |
942 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
943 | ret = SUCCESS; | |
1da177e4 | 944 | } |
f4f051eb AV |
945 | if (ret == FAILED) |
946 | goto eh_bus_reset_done; | |
1da177e4 | 947 | |
9a41a62b | 948 | /* Flush outstanding commands. */ |
2c3dfe3f | 949 | if (!qla2x00_eh_wait_for_pending_commands(pha)) |
9a41a62b | 950 | ret = FAILED; |
1da177e4 | 951 | |
f4f051eb | 952 | eh_bus_reset_done: |
1da177e4 | 953 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 954 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 955 | |
f4f051eb | 956 | return ret; |
1da177e4 LT |
957 | } |
958 | ||
959 | /************************************************************************** | |
960 | * qla2xxx_eh_host_reset | |
961 | * | |
962 | * Description: | |
963 | * The reset function will reset the Adapter. | |
964 | * | |
965 | * Input: | |
966 | * cmd = Linux SCSI command packet of the command that cause the | |
967 | * adapter reset. | |
968 | * | |
969 | * Returns: | |
970 | * Either SUCCESS or FAILED. | |
971 | * | |
972 | * Note: | |
973 | **************************************************************************/ | |
e5f82ab8 | 974 | static int |
1da177e4 LT |
975 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
976 | { | |
f4f051eb | 977 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
bdf79621 | 978 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 979 | int ret = FAILED; |
f4f051eb AV |
980 | unsigned int id, lun; |
981 | unsigned long serial; | |
2c3dfe3f | 982 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 983 | |
07db5183 AV |
984 | qla2x00_block_error_handler(cmd); |
985 | ||
f4f051eb AV |
986 | id = cmd->device->id; |
987 | lun = cmd->device->lun; | |
988 | serial = cmd->serial_number; | |
989 | ||
b0328bee | 990 | if (!fcport) |
f4f051eb | 991 | return ret; |
1da177e4 | 992 | |
1da177e4 | 993 | qla_printk(KERN_INFO, ha, |
f4f051eb | 994 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 995 | |
1da177e4 | 996 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 997 | goto eh_host_reset_lock; |
1da177e4 LT |
998 | |
999 | /* | |
1000 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 1001 | * loop_resync,so wait a while for it to |
1da177e4 LT |
1002 | * be completed and then issue big hammer.Otherwise |
1003 | * it may cause I/O failure as big hammer marks the | |
1004 | * devices as lost kicking of the port_down_timer | |
1005 | * while dpc is stuck for the mailbox to complete. | |
1006 | */ | |
1da177e4 | 1007 | qla2x00_wait_for_loop_ready(ha); |
2c3dfe3f SJ |
1008 | set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1009 | if (qla2x00_abort_isp(pha)) { | |
1010 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); | |
1da177e4 | 1011 | /* failed. schedule dpc to try */ |
2c3dfe3f | 1012 | set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags); |
1da177e4 LT |
1013 | |
1014 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 1015 | goto eh_host_reset_lock; |
fa2a1ce5 | 1016 | } |
2c3dfe3f | 1017 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1da177e4 | 1018 | |
1da177e4 | 1019 | /* Waiting for our command in done_queue to be returned to OS.*/ |
2c3dfe3f | 1020 | if (qla2x00_eh_wait_for_pending_commands(pha)) |
f4f051eb | 1021 | ret = SUCCESS; |
1da177e4 | 1022 | |
2c3dfe3f SJ |
1023 | if (ha->parent) |
1024 | qla2x00_vp_abort_isp(ha); | |
1025 | ||
f4f051eb | 1026 | eh_host_reset_lock: |
f4f051eb AV |
1027 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1028 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1029 | |
f4f051eb AV |
1030 | return ret; |
1031 | } | |
1da177e4 LT |
1032 | |
1033 | /* | |
1034 | * qla2x00_loop_reset | |
1035 | * Issue loop reset. | |
1036 | * | |
1037 | * Input: | |
1038 | * ha = adapter block pointer. | |
1039 | * | |
1040 | * Returns: | |
1041 | * 0 = success | |
1042 | */ | |
1043 | static int | |
1044 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
1045 | { | |
0c8c39af | 1046 | int ret; |
bdf79621 | 1047 | struct fc_port *fcport; |
1da177e4 | 1048 | |
0c8c39af AV |
1049 | if (ha->flags.enable_lip_full_login) { |
1050 | ret = qla2x00_full_login_lip(ha); | |
1051 | if (ret != QLA_SUCCESS) { | |
1052 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1053 | "full_login_lip=%d.\n", __func__, ha->host_no, | |
1054 | ret)); | |
1055 | } | |
1056 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
1057 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
1058 | qla2x00_mark_all_devices_lost(ha, 0); | |
1059 | qla2x00_wait_for_loop_ready(ha); | |
1060 | } | |
1061 | ||
1da177e4 | 1062 | if (ha->flags.enable_lip_reset) { |
0c8c39af AV |
1063 | ret = qla2x00_lip_reset(ha); |
1064 | if (ret != QLA_SUCCESS) { | |
1065 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1066 | "lip_reset=%d.\n", __func__, ha->host_no, ret)); | |
1067 | } | |
1068 | qla2x00_wait_for_loop_ready(ha); | |
1da177e4 LT |
1069 | } |
1070 | ||
0c8c39af | 1071 | if (ha->flags.enable_target_reset) { |
bdf79621 AV |
1072 | list_for_each_entry(fcport, &ha->fcports, list) { |
1073 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1074 | continue; |
1075 | ||
0c8c39af AV |
1076 | ret = qla2x00_device_reset(ha, fcport); |
1077 | if (ret != QLA_SUCCESS) { | |
1078 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1079 | "target_reset=%d d_id=%x.\n", __func__, | |
1080 | ha->host_no, ret, fcport->d_id.b24)); | |
1081 | } | |
1da177e4 LT |
1082 | } |
1083 | } | |
1084 | ||
1da177e4 LT |
1085 | /* Issue marker command only when we are going to start the I/O */ |
1086 | ha->marker_needed = 1; | |
1087 | ||
0c8c39af | 1088 | return QLA_SUCCESS; |
1da177e4 LT |
1089 | } |
1090 | ||
1091 | /* | |
1092 | * qla2x00_device_reset | |
1093 | * Issue bus device reset message to the target. | |
1094 | * | |
1095 | * Input: | |
1096 | * ha = adapter block pointer. | |
1097 | * t = SCSI ID. | |
1098 | * TARGET_QUEUE_LOCK must be released. | |
1099 | * ADAPTER_STATE_LOCK must be released. | |
1100 | * | |
1101 | * Context: | |
1102 | * Kernel context. | |
1103 | */ | |
1104 | static int | |
1105 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1106 | { | |
1107 | /* Abort Target command will clear Reservation */ | |
abbd8870 | 1108 | return ha->isp_ops.abort_target(reset_fcport); |
1da177e4 LT |
1109 | } |
1110 | ||
f4f051eb AV |
1111 | static int |
1112 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1113 | { |
bdf79621 | 1114 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1115 | |
19a7b4ae | 1116 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1117 | return -ENXIO; |
bdf79621 | 1118 | |
19a7b4ae | 1119 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1120 | |
f4f051eb AV |
1121 | return 0; |
1122 | } | |
1da177e4 | 1123 | |
f4f051eb AV |
1124 | static int |
1125 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1126 | { | |
8482e118 AV |
1127 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
1128 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); | |
1129 | ||
f4f051eb | 1130 | if (sdev->tagged_supported) |
df7baa50 | 1131 | scsi_activate_tcq(sdev, ha->max_q_depth); |
f4f051eb | 1132 | else |
df7baa50 | 1133 | scsi_deactivate_tcq(sdev, ha->max_q_depth); |
1da177e4 | 1134 | |
8482e118 AV |
1135 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1136 | ||
f4f051eb AV |
1137 | return 0; |
1138 | } | |
1da177e4 | 1139 | |
f4f051eb AV |
1140 | static void |
1141 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1142 | { | |
1143 | sdev->hostdata = NULL; | |
1da177e4 LT |
1144 | } |
1145 | ||
ce7e4af7 AV |
1146 | static int |
1147 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1148 | { | |
1149 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1150 | return sdev->queue_depth; | |
1151 | } | |
1152 | ||
1153 | static int | |
1154 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1155 | { | |
1156 | if (sdev->tagged_supported) { | |
1157 | scsi_set_tag_type(sdev, tag_type); | |
1158 | if (tag_type) | |
1159 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1160 | else | |
1161 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1162 | } else | |
1163 | tag_type = 0; | |
1164 | ||
1165 | return tag_type; | |
1166 | } | |
1167 | ||
1da177e4 LT |
1168 | /** |
1169 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1170 | * @ha: HA context | |
1171 | * | |
1172 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1173 | * supported addressing method. | |
1174 | */ | |
1175 | static void | |
1176 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1177 | { | |
7524f9b9 | 1178 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1179 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1180 | |
7524f9b9 AV |
1181 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1182 | /* Any upper-dword bits set? */ | |
1183 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1184 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1185 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1186 | ha->flags.enable_64bit_addressing = 1; |
abbd8870 AV |
1187 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
1188 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1189 | return; |
1da177e4 | 1190 | } |
1da177e4 | 1191 | } |
7524f9b9 AV |
1192 | |
1193 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1194 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1195 | } |
1196 | ||
ea5b6382 AV |
1197 | static inline void |
1198 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) | |
1199 | { | |
1200 | ha->device_type = DT_EXTENDED_IDS; | |
1201 | switch (ha->pdev->device) { | |
1202 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1203 | ha->device_type |= DT_ISP2100; | |
1204 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1205 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1206 | break; |
1207 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1208 | ha->device_type |= DT_ISP2200; | |
1209 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1210 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 AV |
1211 | break; |
1212 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1213 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1214 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1215 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1216 | break; |
1217 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1218 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1219 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1220 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1221 | break; |
1222 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1223 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1224 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 AV |
1225 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1226 | ha->pdev->subsystem_device == 0x0170) | |
1227 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1228 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1229 | break; |
1230 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1231 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1232 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1233 | break; |
1234 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1235 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1236 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 AV |
1237 | break; |
1238 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1239 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1240 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1241 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1242 | break; |
1243 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1244 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1245 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1246 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1247 | break; |
044cc6c8 AV |
1248 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1249 | ha->device_type |= DT_ISP5422; | |
441d1072 | 1250 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1251 | break; |
044cc6c8 AV |
1252 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1253 | ha->device_type |= DT_ISP5432; | |
441d1072 | 1254 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 AV |
1255 | break; |
1256 | } | |
1257 | } | |
1258 | ||
1da177e4 LT |
1259 | static int |
1260 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1261 | { | |
1262 | unsigned long pio, pio_len, pio_flags; | |
1263 | unsigned long mmio, mmio_len, mmio_flags; | |
1264 | ||
1265 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | |
1266 | pio = pci_resource_start(ha->pdev, 0); | |
1267 | pio_len = pci_resource_len(ha->pdev, 0); | |
1268 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
1269 | if (pio_flags & IORESOURCE_IO) { | |
1270 | if (pio_len < MIN_IOBASE_LEN) { | |
1271 | qla_printk(KERN_WARNING, ha, | |
1272 | "Invalid PCI I/O region size (%s)...\n", | |
1273 | pci_name(ha->pdev)); | |
1274 | pio = 0; | |
1275 | } | |
1276 | } else { | |
1277 | qla_printk(KERN_WARNING, ha, | |
1278 | "region #0 not a PIO resource (%s)...\n", | |
1279 | pci_name(ha->pdev)); | |
1280 | pio = 0; | |
1281 | } | |
1282 | ||
1283 | /* Use MMIO operations for all accesses. */ | |
1284 | mmio = pci_resource_start(ha->pdev, 1); | |
1285 | mmio_len = pci_resource_len(ha->pdev, 1); | |
1286 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
1287 | ||
1288 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
1289 | qla_printk(KERN_ERR, ha, | |
1290 | "region #0 not an MMIO resource (%s), aborting\n", | |
1291 | pci_name(ha->pdev)); | |
1292 | goto iospace_error_exit; | |
1293 | } | |
1294 | if (mmio_len < MIN_IOBASE_LEN) { | |
1295 | qla_printk(KERN_ERR, ha, | |
1296 | "Invalid PCI mem region size (%s), aborting\n", | |
1297 | pci_name(ha->pdev)); | |
1298 | goto iospace_error_exit; | |
1299 | } | |
1300 | ||
cb63067a | 1301 | if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { |
1da177e4 LT |
1302 | qla_printk(KERN_WARNING, ha, |
1303 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1304 | pci_name(ha->pdev)); | |
1305 | ||
1306 | goto iospace_error_exit; | |
1307 | } | |
1308 | ||
1309 | ha->pio_address = pio; | |
1310 | ha->pio_length = pio_len; | |
1311 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); | |
1312 | if (!ha->iobase) { | |
1313 | qla_printk(KERN_ERR, ha, | |
1314 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1315 | ||
1316 | goto iospace_error_exit; | |
1317 | } | |
1318 | ||
1319 | return (0); | |
1320 | ||
1321 | iospace_error_exit: | |
1322 | return (-ENOMEM); | |
1323 | } | |
1324 | ||
abbd8870 AV |
1325 | static void |
1326 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1327 | { | |
1328 | unsigned long flags = 0; | |
3d71644c | 1329 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1330 | |
1331 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1332 | ha->interrupts_on = 1; | |
1333 | /* enable risc and host interrupts */ | |
1334 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1335 | RD_REG_WORD(®->ictrl); | |
1336 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1337 | ||
1338 | } | |
1339 | ||
1340 | static void | |
1341 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1342 | { | |
1343 | unsigned long flags = 0; | |
3d71644c | 1344 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
1345 | |
1346 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1347 | ha->interrupts_on = 0; | |
1348 | /* disable risc and host interrupts */ | |
1349 | WRT_REG_WORD(®->ictrl, 0); | |
1350 | RD_REG_WORD(®->ictrl); | |
1351 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1352 | } | |
1353 | ||
fca29703 AV |
1354 | static void |
1355 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1356 | { | |
1357 | unsigned long flags = 0; | |
1358 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1359 | ||
1360 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1361 | ha->interrupts_on = 1; | |
1362 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1363 | RD_REG_DWORD(®->ictrl); | |
1364 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1365 | } | |
1366 | ||
1367 | static void | |
1368 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1369 | { | |
1370 | unsigned long flags = 0; | |
1371 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1372 | ||
1373 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1374 | ha->interrupts_on = 0; | |
1375 | WRT_REG_DWORD(®->ictrl, 0); | |
1376 | RD_REG_DWORD(®->ictrl); | |
1377 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1378 | } | |
1379 | ||
1e99e33a AV |
1380 | static void |
1381 | qla2xxx_scan_start(struct Scsi_Host *shost) | |
1382 | { | |
1383 | scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; | |
1384 | ||
1385 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
1386 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1387 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1388 | } | |
1389 | ||
1390 | static int | |
1391 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1392 | { | |
1393 | scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; | |
1394 | ||
1395 | if (!ha->host) | |
1396 | return 1; | |
1397 | if (time > ha->loop_reset_delay * HZ) | |
1398 | return 1; | |
1399 | ||
1400 | return atomic_read(&ha->loop_state) == LOOP_READY; | |
1401 | } | |
1402 | ||
1da177e4 LT |
1403 | /* |
1404 | * PCI driver interface | |
1405 | */ | |
7ee61397 AV |
1406 | static int __devinit |
1407 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1408 | { |
a1541d5a | 1409 | int ret = -ENODEV; |
fca29703 | 1410 | device_reg_t __iomem *reg; |
1da177e4 LT |
1411 | struct Scsi_Host *host; |
1412 | scsi_qla_host_t *ha; | |
1413 | unsigned long flags = 0; | |
1da177e4 LT |
1414 | char pci_info[20]; |
1415 | char fw_str[30]; | |
5433383e | 1416 | struct scsi_host_template *sht; |
1da177e4 LT |
1417 | |
1418 | if (pci_enable_device(pdev)) | |
a1541d5a | 1419 | goto probe_out; |
1da177e4 | 1420 | |
5433383e AV |
1421 | sht = &qla2x00_driver_template; |
1422 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
8bc69e7d AV |
1423 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
1424 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || | |
1425 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432) | |
5433383e AV |
1426 | sht = &qla24xx_driver_template; |
1427 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); | |
1da177e4 LT |
1428 | if (host == NULL) { |
1429 | printk(KERN_WARNING | |
1430 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1431 | goto probe_disable_device; | |
1432 | } | |
1433 | ||
1434 | /* Clear our data area */ | |
1435 | ha = (scsi_qla_host_t *)host->hostdata; | |
1436 | memset(ha, 0, sizeof(scsi_qla_host_t)); | |
1437 | ||
1438 | ha->pdev = pdev; | |
1439 | ha->host = host; | |
1440 | ha->host_no = host->host_no; | |
cb63067a | 1441 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
2c3dfe3f | 1442 | ha->parent = NULL; |
1da177e4 | 1443 | |
ea5b6382 AV |
1444 | /* Set ISP-type information. */ |
1445 | qla2x00_set_isp_flags(ha); | |
1446 | ||
1da177e4 LT |
1447 | /* Configure PCI I/O space */ |
1448 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1449 | if (ret) |
1450 | goto probe_failed; | |
1da177e4 | 1451 | |
1da177e4 | 1452 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1453 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1454 | ha->iobase); | |
1da177e4 LT |
1455 | |
1456 | spin_lock_init(&ha->hardware_lock); | |
1457 | ||
1da177e4 | 1458 | ha->prev_topology = 0; |
fca29703 | 1459 | ha->init_cb_size = sizeof(init_cb_t); |
2c3dfe3f | 1460 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx; |
d8b45213 | 1461 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1462 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1463 | |
df7baa50 AV |
1464 | ha->max_q_depth = MAX_Q_DEPTH; |
1465 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | |
1466 | ha->max_q_depth = ql2xmaxqdepth; | |
1467 | ||
abbd8870 AV |
1468 | /* Assign ISP specific operations. */ |
1469 | ha->isp_ops.pci_config = qla2100_pci_config; | |
1470 | ha->isp_ops.reset_chip = qla2x00_reset_chip; | |
1471 | ha->isp_ops.chip_diag = qla2x00_chip_diag; | |
1472 | ha->isp_ops.config_rings = qla2x00_config_rings; | |
1473 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; | |
1474 | ha->isp_ops.nvram_config = qla2x00_nvram_config; | |
1475 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; | |
0107109e | 1476 | ha->isp_ops.load_risc = qla2x00_load_risc; |
abbd8870 AV |
1477 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
1478 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; | |
1479 | ha->isp_ops.intr_handler = qla2100_intr_handler; | |
1480 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; | |
1481 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; | |
1482 | ha->isp_ops.abort_command = qla2x00_abort_command; | |
1483 | ha->isp_ops.abort_target = qla2x00_abort_target; | |
1484 | ha->isp_ops.fabric_login = qla2x00_login_fabric; | |
1485 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; | |
1486 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; | |
1487 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; | |
1488 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; | |
cca5335c | 1489 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
459c5378 AV |
1490 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
1491 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; | |
abbd8870 | 1492 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
854165f4 AV |
1493 | ha->isp_ops.read_optrom = qla2x00_read_optrom_data; |
1494 | ha->isp_ops.write_optrom = qla2x00_write_optrom_data; | |
30c47662 | 1495 | ha->isp_ops.get_flash_version = qla2x00_get_flash_version; |
1da177e4 | 1496 | if (IS_QLA2100(ha)) { |
354d6b21 | 1497 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1498 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1499 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1500 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1501 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1502 | host->sg_tablesize = 32; | |
abbd8870 | 1503 | ha->gid_list_info_size = 4; |
1da177e4 | 1504 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1505 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1506 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1507 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1508 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1509 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1510 | ha->gid_list_info_size = 4; |
fca29703 | 1511 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1512 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1513 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1514 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1515 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1516 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 AV |
1517 | ha->isp_ops.pci_config = qla2300_pci_config; |
1518 | ha->isp_ops.intr_handler = qla2300_intr_handler; | |
1519 | ha->isp_ops.fw_dump = qla2300_fw_dump; | |
f6df144c AV |
1520 | ha->isp_ops.beacon_on = qla2x00_beacon_on; |
1521 | ha->isp_ops.beacon_off = qla2x00_beacon_off; | |
1522 | ha->isp_ops.beacon_blink = qla2x00_beacon_blink; | |
abbd8870 | 1523 | ha->gid_list_info_size = 6; |
854165f4 AV |
1524 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1525 | ha->optrom_size = OPTROM_SIZE_2322; | |
044cc6c8 | 1526 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1527 | host->max_id = MAX_TARGETS_2200; |
1528 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1529 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1530 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1531 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
2c3dfe3f SJ |
1532 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
1533 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; | |
fca29703 AV |
1534 | ha->isp_ops.pci_config = qla24xx_pci_config; |
1535 | ha->isp_ops.reset_chip = qla24xx_reset_chip; | |
1536 | ha->isp_ops.chip_diag = qla24xx_chip_diag; | |
1537 | ha->isp_ops.config_rings = qla24xx_config_rings; | |
1538 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; | |
1539 | ha->isp_ops.nvram_config = qla24xx_nvram_config; | |
1540 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; | |
5433383e | 1541 | ha->isp_ops.load_risc = qla24xx_load_risc; |
fca29703 AV |
1542 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; |
1543 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; | |
1544 | ha->isp_ops.intr_handler = qla24xx_intr_handler; | |
1545 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; | |
1546 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; | |
1547 | ha->isp_ops.abort_command = qla24xx_abort_command; | |
1548 | ha->isp_ops.abort_target = qla24xx_abort_target; | |
1549 | ha->isp_ops.fabric_login = qla24xx_login_fabric; | |
1550 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; | |
1551 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; | |
cca5335c | 1552 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
fca29703 AV |
1553 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
1554 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; | |
1555 | ha->isp_ops.fw_dump = qla24xx_fw_dump; | |
854165f4 AV |
1556 | ha->isp_ops.read_optrom = qla24xx_read_optrom_data; |
1557 | ha->isp_ops.write_optrom = qla24xx_write_optrom_data; | |
f6df144c AV |
1558 | ha->isp_ops.beacon_on = qla24xx_beacon_on; |
1559 | ha->isp_ops.beacon_off = qla24xx_beacon_off; | |
1560 | ha->isp_ops.beacon_blink = qla24xx_beacon_blink; | |
30c47662 | 1561 | ha->isp_ops.get_flash_version = qla24xx_get_flash_version; |
fca29703 | 1562 | ha->gid_list_info_size = 8; |
854165f4 | 1563 | ha->optrom_size = OPTROM_SIZE_24XX; |
1da177e4 LT |
1564 | } |
1565 | host->can_queue = ha->request_q_length + 128; | |
1566 | ||
1567 | /* load the F/W, read paramaters, and init the H/W */ | |
1568 | ha->instance = num_hosts; | |
1569 | ||
1570 | init_MUTEX(&ha->mbx_cmd_sem); | |
2c3dfe3f | 1571 | init_MUTEX(&ha->vport_sem); |
1da177e4 LT |
1572 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); |
1573 | ||
1574 | INIT_LIST_HEAD(&ha->list); | |
1575 | INIT_LIST_HEAD(&ha->fcports); | |
2c3dfe3f SJ |
1576 | INIT_LIST_HEAD(&ha->vp_list); |
1577 | ||
1578 | set_bit(0, (unsigned long *) ha->vp_idx_map); | |
1da177e4 | 1579 | |
1da177e4 LT |
1580 | qla2x00_config_dma_addressing(ha); |
1581 | if (qla2x00_mem_alloc(ha)) { | |
1582 | qla_printk(KERN_WARNING, ha, | |
1583 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1584 | ||
a1541d5a AV |
1585 | ret = -ENOMEM; |
1586 | goto probe_failed; | |
1da177e4 LT |
1587 | } |
1588 | ||
765140bf | 1589 | if (qla2x00_initialize_adapter(ha)) { |
1da177e4 LT |
1590 | qla_printk(KERN_WARNING, ha, |
1591 | "Failed to initialize adapter\n"); | |
1592 | ||
1593 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1594 | "Adapter flags %x.\n", | |
1595 | ha->host_no, ha->device_flags)); | |
1596 | ||
a1541d5a | 1597 | ret = -ENODEV; |
1da177e4 LT |
1598 | goto probe_failed; |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * Startup the kernel thread for this host adapter | |
1603 | */ | |
39a11240 CH |
1604 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
1605 | "%s_dpc", ha->host_str); | |
1606 | if (IS_ERR(ha->dpc_thread)) { | |
1da177e4 LT |
1607 | qla_printk(KERN_WARNING, ha, |
1608 | "Unable to start DPC thread!\n"); | |
39a11240 | 1609 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1610 | goto probe_failed; |
1611 | } | |
1da177e4 | 1612 | |
a1541d5a AV |
1613 | host->this_id = 255; |
1614 | host->cmd_per_lun = 3; | |
1615 | host->unique_id = ha->instance; | |
1616 | host->max_cmd_len = MAX_CMDSZ; | |
75bc4190 | 1617 | host->max_channel = MAX_BUSES - 1; |
a1541d5a AV |
1618 | host->max_lun = MAX_LUNS; |
1619 | host->transportt = qla2xxx_transport_template; | |
1620 | ||
a8488abe AV |
1621 | ret = qla2x00_request_irqs(ha); |
1622 | if (ret) | |
1da177e4 | 1623 | goto probe_failed; |
1da177e4 LT |
1624 | |
1625 | /* Initialized the timer */ | |
1626 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1627 | ||
1628 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1629 | ha->host_no, ha)); | |
1630 | ||
abbd8870 | 1631 | ha->isp_ops.disable_intrs(ha); |
1da177e4 | 1632 | |
1da177e4 | 1633 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 | 1634 | reg = ha->iobase; |
044cc6c8 | 1635 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1636 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
1637 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1638 | } else { | |
1639 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1640 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1641 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1642 | ||
1643 | /* Enable proper parity */ | |
1644 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1645 | if (IS_QLA2300(ha)) | |
1646 | /* SRAM parity */ | |
1647 | WRT_REG_WORD(®->isp.hccr, | |
1648 | (HCCR_ENABLE_PARITY + 0x1)); | |
1649 | else | |
1650 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1651 | WRT_REG_WORD(®->isp.hccr, | |
1652 | (HCCR_ENABLE_PARITY + 0x7)); | |
1653 | } | |
1da177e4 LT |
1654 | } |
1655 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1656 | ||
abbd8870 | 1657 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 1658 | |
a1541d5a | 1659 | pci_set_drvdata(pdev, ha); |
d19044c3 | 1660 | |
1da177e4 | 1661 | ha->flags.init_done = 1; |
d19044c3 AV |
1662 | ha->flags.online = 1; |
1663 | ||
1da177e4 LT |
1664 | num_hosts++; |
1665 | ||
a1541d5a AV |
1666 | ret = scsi_add_host(host, &pdev->dev); |
1667 | if (ret) | |
1668 | goto probe_failed; | |
1669 | ||
1e99e33a AV |
1670 | scsi_scan_host(host); |
1671 | ||
a1541d5a AV |
1672 | qla2x00_alloc_sysfs_attr(ha); |
1673 | ||
1674 | qla2x00_init_host_attr(ha); | |
1675 | ||
1da177e4 LT |
1676 | qla_printk(KERN_INFO, ha, "\n" |
1677 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1678 | " QLogic %s - %s\n" | |
5433383e AV |
1679 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1680 | qla2x00_version_str, ha->model_number, | |
1681 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
1682 | ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev), | |
1683 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, | |
1684 | ha->isp_ops.fw_version_str(ha, fw_str)); | |
1da177e4 | 1685 | |
1da177e4 LT |
1686 | return 0; |
1687 | ||
1688 | probe_failed: | |
1689 | qla2x00_free_device(ha); | |
1690 | ||
1691 | scsi_host_put(host); | |
1692 | ||
1693 | probe_disable_device: | |
1694 | pci_disable_device(pdev); | |
1695 | ||
a1541d5a AV |
1696 | probe_out: |
1697 | return ret; | |
1da177e4 | 1698 | } |
1da177e4 | 1699 | |
7ee61397 AV |
1700 | static void __devexit |
1701 | qla2x00_remove_one(struct pci_dev *pdev) | |
1da177e4 LT |
1702 | { |
1703 | scsi_qla_host_t *ha; | |
1704 | ||
1705 | ha = pci_get_drvdata(pdev); | |
1706 | ||
8482e118 | 1707 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1708 | |
bdf79621 AV |
1709 | fc_remove_host(ha->host); |
1710 | ||
1da177e4 LT |
1711 | scsi_remove_host(ha->host); |
1712 | ||
1713 | qla2x00_free_device(ha); | |
1714 | ||
1715 | scsi_host_put(ha->host); | |
1716 | ||
665db93b | 1717 | pci_disable_device(pdev); |
1da177e4 LT |
1718 | pci_set_drvdata(pdev, NULL); |
1719 | } | |
1da177e4 LT |
1720 | |
1721 | static void | |
1722 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1723 | { | |
1da177e4 LT |
1724 | /* Disable timer */ |
1725 | if (ha->timer_active) | |
1726 | qla2x00_stop_timer(ha); | |
1727 | ||
1728 | /* Kill the kernel thread for this host */ | |
39a11240 CH |
1729 | if (ha->dpc_thread) { |
1730 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1731 | |
39a11240 CH |
1732 | /* |
1733 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1734 | * so we need to zero it out. | |
1735 | */ | |
1736 | ha->dpc_thread = NULL; | |
1737 | kthread_stop(t); | |
1da177e4 LT |
1738 | } |
1739 | ||
a7a167bf AV |
1740 | if (ha->eft) |
1741 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); | |
1742 | ||
18c6c127 AV |
1743 | ha->flags.online = 0; |
1744 | ||
f6ef3b18 | 1745 | /* Stop currently executing firmware. */ |
18c6c127 | 1746 | qla2x00_try_to_stop_firmware(ha); |
1da177e4 | 1747 | |
f6ef3b18 AV |
1748 | /* turn-off interrupts on the card */ |
1749 | if (ha->interrupts_on) | |
1750 | ha->isp_ops.disable_intrs(ha); | |
1751 | ||
1752 | qla2x00_mem_free(ha); | |
1da177e4 | 1753 | |
a8488abe | 1754 | qla2x00_free_irqs(ha); |
1da177e4 LT |
1755 | |
1756 | /* release io space registers */ | |
1757 | if (ha->iobase) | |
1758 | iounmap(ha->iobase); | |
1759 | pci_release_regions(ha->pdev); | |
1da177e4 LT |
1760 | } |
1761 | ||
d97994dc AV |
1762 | static inline void |
1763 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1764 | int defer) | |
1765 | { | |
1766 | unsigned long flags; | |
1767 | struct fc_rport *rport; | |
1768 | ||
1769 | if (!fcport->rport) | |
1770 | return; | |
1771 | ||
1772 | rport = fcport->rport; | |
1773 | if (defer) { | |
1774 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1775 | fcport->drport = rport; | |
1776 | fcport->rport = NULL; | |
387f96b4 | 1777 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1778 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1779 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1780 | } else { | |
1781 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1782 | fcport->rport = NULL; | |
387f96b4 | 1783 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc AV |
1784 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1785 | fc_remote_port_delete(rport); | |
1786 | } | |
1787 | } | |
1788 | ||
1da177e4 LT |
1789 | /* |
1790 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1791 | * | |
1792 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1793 | * | |
1794 | * Return: None. | |
1795 | * | |
1796 | * Context: | |
1797 | */ | |
1798 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1799 | int do_login, int defer) |
1da177e4 | 1800 | { |
2c3dfe3f SJ |
1801 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
1802 | ha->vp_idx == fcport->vp_idx) | |
d97994dc | 1803 | qla2x00_schedule_rport_del(ha, fcport, defer); |
19a7b4ae | 1804 | |
fa2a1ce5 | 1805 | /* |
1da177e4 LT |
1806 | * We may need to retry the login, so don't change the state of the |
1807 | * port but do the retries. | |
1808 | */ | |
1809 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1810 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1811 | ||
1812 | if (!do_login) | |
1813 | return; | |
1814 | ||
1815 | if (fcport->login_retry == 0) { | |
1816 | fcport->login_retry = ha->login_retry_count; | |
1817 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1818 | ||
1819 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1820 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1821 | "id = 0x%04x retry cnt=%d\n", | |
1822 | ha->host_no, | |
1823 | fcport->port_name[0], | |
1824 | fcport->port_name[1], | |
1825 | fcport->port_name[2], | |
1826 | fcport->port_name[3], | |
1827 | fcport->port_name[4], | |
1828 | fcport->port_name[5], | |
1829 | fcport->port_name[6], | |
1830 | fcport->port_name[7], | |
1831 | fcport->loop_id, | |
1832 | fcport->login_retry)); | |
1833 | } | |
1834 | } | |
1835 | ||
1836 | /* | |
1837 | * qla2x00_mark_all_devices_lost | |
1838 | * Updates fcport state when device goes offline. | |
1839 | * | |
1840 | * Input: | |
1841 | * ha = adapter block pointer. | |
1842 | * fcport = port structure pointer. | |
1843 | * | |
1844 | * Return: | |
1845 | * None. | |
1846 | * | |
1847 | * Context: | |
1848 | */ | |
1849 | void | |
d97994dc | 1850 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1851 | { |
1852 | fc_port_t *fcport; | |
2c3dfe3f | 1853 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 1854 | |
2c3dfe3f SJ |
1855 | list_for_each_entry(fcport, &pha->fcports, list) { |
1856 | if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx) | |
1da177e4 | 1857 | continue; |
1da177e4 LT |
1858 | /* |
1859 | * No point in marking the device as lost, if the device is | |
1860 | * already DEAD. | |
1861 | */ | |
1862 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1863 | continue; | |
2c3dfe3f SJ |
1864 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
1865 | if (defer) | |
1866 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1867 | else if (ha->vp_idx == fcport->vp_idx) | |
1868 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1869 | } | |
1da177e4 LT |
1870 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1871 | } | |
d97994dc | 1872 | |
39a11240 CH |
1873 | if (defer) |
1874 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
1875 | } |
1876 | ||
1877 | /* | |
1878 | * qla2x00_mem_alloc | |
1879 | * Allocates adapter memory. | |
1880 | * | |
1881 | * Returns: | |
1882 | * 0 = success. | |
1883 | * 1 = failure. | |
1884 | */ | |
2c3dfe3f | 1885 | uint8_t |
1da177e4 LT |
1886 | qla2x00_mem_alloc(scsi_qla_host_t *ha) |
1887 | { | |
1888 | char name[16]; | |
1889 | uint8_t status = 1; | |
1890 | int retry= 10; | |
1891 | ||
1892 | do { | |
1893 | /* | |
1894 | * This will loop only once if everything goes well, else some | |
1895 | * number of retries will be performed to get around a kernel | |
1896 | * bug where available mem is not allocated until after a | |
1897 | * little delay and a retry. | |
1898 | */ | |
1899 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1900 | (ha->request_q_length + 1) * sizeof(request_t), | |
1901 | &ha->request_dma, GFP_KERNEL); | |
1902 | if (ha->request_ring == NULL) { | |
1903 | qla_printk(KERN_WARNING, ha, | |
1904 | "Memory Allocation failed - request_ring\n"); | |
1905 | ||
1906 | qla2x00_mem_free(ha); | |
1907 | msleep(100); | |
1908 | ||
1909 | continue; | |
1910 | } | |
1911 | ||
1912 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
1913 | (ha->response_q_length + 1) * sizeof(response_t), | |
1914 | &ha->response_dma, GFP_KERNEL); | |
1915 | if (ha->response_ring == NULL) { | |
1916 | qla_printk(KERN_WARNING, ha, | |
1917 | "Memory Allocation failed - response_ring\n"); | |
1918 | ||
1919 | qla2x00_mem_free(ha); | |
1920 | msleep(100); | |
1921 | ||
1922 | continue; | |
1923 | } | |
1924 | ||
1925 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
1926 | &ha->gid_list_dma, GFP_KERNEL); | |
1927 | if (ha->gid_list == NULL) { | |
1928 | qla_printk(KERN_WARNING, ha, | |
1929 | "Memory Allocation failed - gid_list\n"); | |
1930 | ||
1931 | qla2x00_mem_free(ha); | |
1932 | msleep(100); | |
1933 | ||
1934 | continue; | |
1935 | } | |
1936 | ||
2c3dfe3f SJ |
1937 | /* get consistent memory allocated for init control block */ |
1938 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, | |
1939 | ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL); | |
1940 | if (ha->init_cb == NULL) { | |
1da177e4 | 1941 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 1942 | "Memory Allocation failed - init_cb\n"); |
1da177e4 LT |
1943 | |
1944 | qla2x00_mem_free(ha); | |
1945 | msleep(100); | |
1946 | ||
1947 | continue; | |
1948 | } | |
2c3dfe3f | 1949 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 | 1950 | |
2c3dfe3f SJ |
1951 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
1952 | ha->host_no); | |
1953 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
1954 | DMA_POOL_SIZE, 8, 0); | |
1955 | if (ha->s_dma_pool == NULL) { | |
1da177e4 | 1956 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 1957 | "Memory Allocation failed - s_dma_pool\n"); |
1da177e4 LT |
1958 | |
1959 | qla2x00_mem_free(ha); | |
1960 | msleep(100); | |
1961 | ||
1962 | continue; | |
1963 | } | |
1da177e4 | 1964 | |
1da177e4 LT |
1965 | if (qla2x00_allocate_sp_pool(ha)) { |
1966 | qla_printk(KERN_WARNING, ha, | |
1967 | "Memory Allocation failed - " | |
1968 | "qla2x00_allocate_sp_pool()\n"); | |
1969 | ||
1970 | qla2x00_mem_free(ha); | |
1971 | msleep(100); | |
1972 | ||
1973 | continue; | |
1974 | } | |
1975 | ||
1976 | /* Allocate memory for SNS commands */ | |
1977 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1978 | /* Get consistent memory allocated for SNS commands */ | |
1979 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
1980 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
1981 | GFP_KERNEL); | |
1982 | if (ha->sns_cmd == NULL) { | |
1983 | /* error */ | |
1984 | qla_printk(KERN_WARNING, ha, | |
1985 | "Memory Allocation failed - sns_cmd\n"); | |
1986 | ||
1987 | qla2x00_mem_free(ha); | |
1988 | msleep(100); | |
1989 | ||
1990 | continue; | |
1991 | } | |
1992 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
1993 | } else { | |
1994 | /* Get consistent memory allocated for MS IOCB */ | |
1995 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
1996 | &ha->ms_iocb_dma); | |
1997 | if (ha->ms_iocb == NULL) { | |
1998 | /* error */ | |
1999 | qla_printk(KERN_WARNING, ha, | |
2000 | "Memory Allocation failed - ms_iocb\n"); | |
2001 | ||
2002 | qla2x00_mem_free(ha); | |
2003 | msleep(100); | |
2004 | ||
2005 | continue; | |
2006 | } | |
2007 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2008 | ||
2009 | /* | |
2010 | * Get consistent memory allocated for CT SNS | |
2011 | * commands | |
2012 | */ | |
2013 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
2014 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
2015 | GFP_KERNEL); | |
2016 | if (ha->ct_sns == NULL) { | |
2017 | /* error */ | |
2018 | qla_printk(KERN_WARNING, ha, | |
2019 | "Memory Allocation failed - ct_sns\n"); | |
2020 | ||
2021 | qla2x00_mem_free(ha); | |
2022 | msleep(100); | |
2023 | ||
2024 | continue; | |
2025 | } | |
2026 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
88729e53 AV |
2027 | |
2028 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { | |
2029 | /* | |
2030 | * Get consistent memory allocated for SFP | |
2031 | * block. | |
2032 | */ | |
2033 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, | |
2034 | GFP_KERNEL, &ha->sfp_data_dma); | |
2035 | if (ha->sfp_data == NULL) { | |
2036 | qla_printk(KERN_WARNING, ha, | |
2037 | "Memory Allocation failed - " | |
2038 | "sfp_data\n"); | |
2039 | ||
2040 | qla2x00_mem_free(ha); | |
2041 | msleep(100); | |
2042 | ||
2043 | continue; | |
2044 | } | |
2045 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); | |
2046 | } | |
1da177e4 LT |
2047 | } |
2048 | ||
2049 | /* Done all allocations without any error. */ | |
2050 | status = 0; | |
2051 | ||
2052 | } while (retry-- && status != 0); | |
2053 | ||
2054 | if (status) { | |
2055 | printk(KERN_WARNING | |
2056 | "%s(): **** FAILED ****\n", __func__); | |
2057 | } | |
2058 | ||
2059 | return(status); | |
2060 | } | |
2061 | ||
2062 | /* | |
2063 | * qla2x00_mem_free | |
2064 | * Frees all adapter allocated memory. | |
2065 | * | |
2066 | * Input: | |
2067 | * ha = adapter block pointer. | |
2068 | */ | |
2c3dfe3f | 2069 | void |
1da177e4 LT |
2070 | qla2x00_mem_free(scsi_qla_host_t *ha) |
2071 | { | |
1da177e4 LT |
2072 | struct list_head *fcpl, *fcptemp; |
2073 | fc_port_t *fcport; | |
1da177e4 LT |
2074 | |
2075 | if (ha == NULL) { | |
2076 | /* error */ | |
2077 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
2078 | return; | |
2079 | } | |
2080 | ||
1da177e4 LT |
2081 | /* free sp pool */ |
2082 | qla2x00_free_sp_pool(ha); | |
2083 | ||
a7a167bf AV |
2084 | if (ha->fw_dump) { |
2085 | if (ha->eft) | |
2086 | dma_free_coherent(&ha->pdev->dev, | |
2087 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); | |
2088 | vfree(ha->fw_dump); | |
2089 | } | |
2090 | ||
1da177e4 LT |
2091 | if (ha->sns_cmd) |
2092 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
2093 | ha->sns_cmd, ha->sns_cmd_dma); | |
2094 | ||
2095 | if (ha->ct_sns) | |
2096 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2097 | ha->ct_sns, ha->ct_sns_dma); | |
2098 | ||
88729e53 AV |
2099 | if (ha->sfp_data) |
2100 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2101 | ||
1da177e4 LT |
2102 | if (ha->ms_iocb) |
2103 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2104 | ||
1da177e4 LT |
2105 | if (ha->s_dma_pool) |
2106 | dma_pool_destroy(ha->s_dma_pool); | |
2107 | ||
2c3dfe3f SJ |
2108 | if (ha->init_cb) |
2109 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, | |
2110 | ha->init_cb, ha->init_cb_dma); | |
2111 | ||
1da177e4 LT |
2112 | if (ha->gid_list) |
2113 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2114 | ha->gid_list_dma); | |
2115 | ||
2116 | if (ha->response_ring) | |
2117 | dma_free_coherent(&ha->pdev->dev, | |
2118 | (ha->response_q_length + 1) * sizeof(response_t), | |
2119 | ha->response_ring, ha->response_dma); | |
2120 | ||
2121 | if (ha->request_ring) | |
2122 | dma_free_coherent(&ha->pdev->dev, | |
2123 | (ha->request_q_length + 1) * sizeof(request_t), | |
2124 | ha->request_ring, ha->request_dma); | |
2125 | ||
a7a167bf AV |
2126 | ha->eft = NULL; |
2127 | ha->eft_dma = 0; | |
1da177e4 LT |
2128 | ha->sns_cmd = NULL; |
2129 | ha->sns_cmd_dma = 0; | |
2130 | ha->ct_sns = NULL; | |
2131 | ha->ct_sns_dma = 0; | |
2132 | ha->ms_iocb = NULL; | |
2133 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2134 | ha->init_cb = NULL; |
2135 | ha->init_cb_dma = 0; | |
2136 | ||
2137 | ha->s_dma_pool = NULL; | |
2138 | ||
1da177e4 LT |
2139 | ha->gid_list = NULL; |
2140 | ha->gid_list_dma = 0; | |
2141 | ||
2142 | ha->response_ring = NULL; | |
2143 | ha->response_dma = 0; | |
2144 | ha->request_ring = NULL; | |
2145 | ha->request_dma = 0; | |
2146 | ||
2147 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2148 | fcport = list_entry(fcpl, fc_port_t, list); | |
2149 | ||
1da177e4 LT |
2150 | /* fc ports */ |
2151 | list_del_init(&fcport->list); | |
2152 | kfree(fcport); | |
2153 | } | |
2154 | INIT_LIST_HEAD(&ha->fcports); | |
2155 | ||
1da177e4 | 2156 | ha->fw_dump = NULL; |
fca29703 | 2157 | ha->fw_dumped = 0; |
1da177e4 | 2158 | ha->fw_dump_reading = 0; |
854165f4 AV |
2159 | |
2160 | vfree(ha->optrom_buffer); | |
1da177e4 LT |
2161 | } |
2162 | ||
2163 | /* | |
2164 | * qla2x00_allocate_sp_pool | |
2165 | * This routine is called during initialization to allocate | |
2166 | * memory for local srb_t. | |
2167 | * | |
2168 | * Input: | |
2169 | * ha = adapter block pointer. | |
2170 | * | |
2171 | * Context: | |
2172 | * Kernel context. | |
1da177e4 LT |
2173 | */ |
2174 | static int | |
fa2a1ce5 | 2175 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2176 | { |
2177 | int rval; | |
2178 | ||
2179 | rval = QLA_SUCCESS; | |
93d2341c | 2180 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
1da177e4 LT |
2181 | if (ha->srb_mempool == NULL) { |
2182 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2183 | rval = QLA_FUNCTION_FAILED; | |
2184 | } | |
2185 | return (rval); | |
2186 | } | |
2187 | ||
2188 | /* | |
2189 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2190 | * |
1da177e4 LT |
2191 | */ |
2192 | static void | |
fa2a1ce5 | 2193 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2194 | { |
2195 | if (ha->srb_mempool) { | |
2196 | mempool_destroy(ha->srb_mempool); | |
2197 | ha->srb_mempool = NULL; | |
2198 | } | |
2199 | } | |
2200 | ||
2201 | /************************************************************************** | |
2202 | * qla2x00_do_dpc | |
2203 | * This kernel thread is a task that is schedule by the interrupt handler | |
2204 | * to perform the background processing for interrupts. | |
2205 | * | |
2206 | * Notes: | |
2207 | * This task always run in the context of a kernel thread. It | |
2208 | * is kick-off by the driver's detect code and starts up | |
2209 | * up one per adapter. It immediately goes to sleep and waits for | |
2210 | * some fibre event. When either the interrupt handler or | |
2211 | * the timer routine detects a event it will one of the task | |
2212 | * bits then wake us up. | |
2213 | **************************************************************************/ | |
2214 | static int | |
2215 | qla2x00_do_dpc(void *data) | |
2216 | { | |
2c3dfe3f | 2217 | int rval; |
1da177e4 LT |
2218 | scsi_qla_host_t *ha; |
2219 | fc_port_t *fcport; | |
1da177e4 | 2220 | uint8_t status; |
1da177e4 | 2221 | uint16_t next_loopid; |
1da177e4 LT |
2222 | |
2223 | ha = (scsi_qla_host_t *)data; | |
2224 | ||
1da177e4 LT |
2225 | set_user_nice(current, -20); |
2226 | ||
39a11240 | 2227 | while (!kthread_should_stop()) { |
1da177e4 LT |
2228 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2229 | ||
39a11240 CH |
2230 | set_current_state(TASK_INTERRUPTIBLE); |
2231 | schedule(); | |
2232 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2233 | |
2234 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2235 | ||
2236 | /* Initialization not yet finished. Don't do anything yet. */ | |
39a11240 | 2237 | if (!ha->flags.init_done) |
1da177e4 LT |
2238 | continue; |
2239 | ||
2240 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2241 | ||
2242 | ha->dpc_active = 1; | |
2243 | ||
1da177e4 | 2244 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2245 | ha->dpc_active = 0; |
2246 | continue; | |
2247 | } | |
2248 | ||
2249 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2250 | ||
2251 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2252 | "qla2x00_abort_isp ha = %p\n", | |
2253 | ha->host_no, ha)); | |
2254 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2255 | &ha->dpc_flags))) { | |
2256 | ||
2257 | if (qla2x00_abort_isp(ha)) { | |
2258 | /* failed. retry later */ | |
2259 | set_bit(ISP_ABORT_NEEDED, | |
2260 | &ha->dpc_flags); | |
2261 | } | |
2262 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2263 | } | |
2264 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2265 | ha->host_no)); | |
2266 | } | |
2267 | ||
d97994dc AV |
2268 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2269 | qla2x00_update_fcports(ha); | |
2270 | ||
91ca7b01 AV |
2271 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2272 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2273 | ha->host_no)); | |
2274 | qla2x00_loop_reset(ha); | |
2275 | } | |
2276 | ||
1da177e4 LT |
2277 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2278 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2279 | ||
2280 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2281 | ha->host_no)); | |
2282 | ||
2283 | qla2x00_rst_aen(ha); | |
2284 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2285 | } | |
2286 | ||
2287 | /* Retry each device up to login retry count */ | |
2288 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2289 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2290 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2291 | ||
2292 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2293 | ha->host_no)); | |
2294 | ||
2295 | next_loopid = 0; | |
2296 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1da177e4 LT |
2297 | /* |
2298 | * If the port is not ONLINE then try to login | |
2299 | * to it if we haven't run out of retries. | |
2300 | */ | |
2301 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2302 | fcport->login_retry) { | |
2303 | ||
2304 | fcport->login_retry--; | |
2305 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2306 | if (fcport->flags & | |
2307 | FCF_TAPE_PRESENT) | |
abbd8870 | 2308 | ha->isp_ops.fabric_logout( |
1c7c6357 AV |
2309 | ha, fcport->loop_id, |
2310 | fcport->d_id.b.domain, | |
2311 | fcport->d_id.b.area, | |
2312 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2313 | status = qla2x00_fabric_login( |
2314 | ha, fcport, &next_loopid); | |
2315 | } else | |
2316 | status = | |
2317 | qla2x00_local_device_login( | |
9a52a57c | 2318 | ha, fcport); |
1da177e4 LT |
2319 | |
2320 | if (status == QLA_SUCCESS) { | |
2321 | fcport->old_loop_id = fcport->loop_id; | |
2322 | ||
2323 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2324 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2325 | |
052c40c8 AV |
2326 | qla2x00_update_fcport(ha, |
2327 | fcport); | |
1da177e4 LT |
2328 | } else if (status == 1) { |
2329 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2330 | /* retry the login again */ | |
2331 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2332 | ha->host_no, | |
2333 | fcport->login_retry, fcport->loop_id)); | |
2334 | } else { | |
2335 | fcport->login_retry = 0; | |
2336 | } | |
2337 | } | |
2338 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2339 | break; | |
2340 | } | |
2341 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2342 | ha->host_no)); | |
2343 | } | |
2344 | ||
2345 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2346 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2347 | ||
2348 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2349 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2350 | ha->host_no)); | |
fa2a1ce5 | 2351 | |
1da177e4 LT |
2352 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2353 | ||
2354 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2355 | ha->host_no)); | |
2356 | } | |
2357 | ||
2358 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2359 | ||
2360 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2361 | ha->host_no)); | |
2362 | ||
2363 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2364 | &ha->dpc_flags))) { | |
2365 | ||
2c3dfe3f | 2366 | rval = qla2x00_loop_resync(ha); |
1da177e4 LT |
2367 | |
2368 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2369 | } | |
2370 | ||
2371 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2372 | ha->host_no)); | |
2373 | } | |
2374 | ||
1da177e4 LT |
2375 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2376 | ||
2377 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2378 | ha->host_no)); | |
2379 | ||
2380 | qla2x00_rescan_fcports(ha); | |
2381 | ||
2382 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2383 | "end.\n", | |
2384 | ha->host_no)); | |
2385 | } | |
2386 | ||
1da177e4 | 2387 | if (!ha->interrupts_on) |
abbd8870 | 2388 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2389 | |
f6df144c AV |
2390 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
2391 | ha->isp_ops.beacon_blink(ha); | |
2392 | ||
2c3dfe3f SJ |
2393 | qla2x00_do_dpc_all_vps(ha); |
2394 | ||
1da177e4 LT |
2395 | ha->dpc_active = 0; |
2396 | } /* End of while(1) */ | |
2397 | ||
2398 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2399 | ||
2400 | /* | |
2401 | * Make sure that nobody tries to wake us up again. | |
2402 | */ | |
1da177e4 LT |
2403 | ha->dpc_active = 0; |
2404 | ||
39a11240 CH |
2405 | return 0; |
2406 | } | |
2407 | ||
2408 | void | |
2409 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) | |
2410 | { | |
2411 | if (ha->dpc_thread) | |
2412 | wake_up_process(ha->dpc_thread); | |
1da177e4 LT |
2413 | } |
2414 | ||
1da177e4 LT |
2415 | /* |
2416 | * qla2x00_rst_aen | |
2417 | * Processes asynchronous reset. | |
2418 | * | |
2419 | * Input: | |
2420 | * ha = adapter block pointer. | |
2421 | */ | |
2422 | static void | |
fa2a1ce5 | 2423 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2424 | { |
2425 | if (ha->flags.online && !ha->flags.reset_active && | |
2426 | !atomic_read(&ha->loop_down_timer) && | |
2427 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2428 | do { | |
2429 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2430 | ||
2431 | /* | |
2432 | * Issue marker command only when we are going to start | |
2433 | * the I/O. | |
2434 | */ | |
2435 | ha->marker_needed = 1; | |
2436 | } while (!atomic_read(&ha->loop_down_timer) && | |
2437 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2438 | } | |
2439 | } | |
2440 | ||
f4f051eb AV |
2441 | static void |
2442 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2443 | { | |
2444 | struct scsi_cmnd *cmd = sp->cmd; | |
2445 | ||
2446 | if (sp->flags & SRB_DMA_VALID) { | |
385d70b4 | 2447 | scsi_dma_unmap(cmd); |
f4f051eb AV |
2448 | sp->flags &= ~SRB_DMA_VALID; |
2449 | } | |
fca29703 | 2450 | CMD_SP(cmd) = NULL; |
f4f051eb AV |
2451 | } |
2452 | ||
2453 | void | |
2454 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2455 | { | |
2456 | struct scsi_cmnd *cmd = sp->cmd; | |
2457 | ||
2458 | qla2x00_sp_free_dma(ha, sp); | |
2459 | ||
f4f051eb AV |
2460 | mempool_free(sp, ha->srb_mempool); |
2461 | ||
2462 | cmd->scsi_done(cmd); | |
2463 | } | |
bdf79621 | 2464 | |
1da177e4 LT |
2465 | /************************************************************************** |
2466 | * qla2x00_timer | |
2467 | * | |
2468 | * Description: | |
2469 | * One second timer | |
2470 | * | |
2471 | * Context: Interrupt | |
2472 | ***************************************************************************/ | |
2c3dfe3f | 2473 | void |
1da177e4 LT |
2474 | qla2x00_timer(scsi_qla_host_t *ha) |
2475 | { | |
1da177e4 LT |
2476 | unsigned long cpu_flags = 0; |
2477 | fc_port_t *fcport; | |
1da177e4 LT |
2478 | int start_dpc = 0; |
2479 | int index; | |
2480 | srb_t *sp; | |
f4f051eb | 2481 | int t; |
2c3dfe3f | 2482 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
2483 | |
2484 | /* | |
2485 | * Ports - Port down timer. | |
2486 | * | |
2487 | * Whenever, a port is in the LOST state we start decrementing its port | |
2488 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2489 | * the port it marked DEAD. |
1da177e4 LT |
2490 | */ |
2491 | t = 0; | |
2492 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2493 | if (fcport->port_type != FCT_TARGET) | |
2494 | continue; | |
2495 | ||
2496 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2497 | ||
2498 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2499 | continue; | |
2500 | ||
fa2a1ce5 | 2501 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2502 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2503 | |
1da177e4 | 2504 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2505 | "%d remaining\n", |
1da177e4 LT |
2506 | ha->host_no, |
2507 | t, atomic_read(&fcport->port_down_timer))); | |
2508 | } | |
2509 | t++; | |
2510 | } /* End of for fcport */ | |
2511 | ||
1da177e4 LT |
2512 | |
2513 | /* Loop down handler. */ | |
2514 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2515 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2516 | ||
2517 | if (atomic_read(&ha->loop_down_timer) == | |
2518 | ha->loop_down_abort_time) { | |
2519 | ||
2520 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2521 | "queues before time expire\n", | |
2522 | ha->host_no)); | |
2523 | ||
2524 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2525 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2526 | |
2527 | /* Schedule an ISP abort to return any tape commands. */ | |
2c3dfe3f SJ |
2528 | /* NPIV - scan physical port only */ |
2529 | if (!ha->parent) { | |
2530 | spin_lock_irqsave(&ha->hardware_lock, | |
2531 | cpu_flags); | |
2532 | for (index = 1; | |
2533 | index < MAX_OUTSTANDING_COMMANDS; | |
2534 | index++) { | |
2535 | fc_port_t *sfcp; | |
2536 | ||
2537 | sp = ha->outstanding_cmds[index]; | |
2538 | if (!sp) | |
2539 | continue; | |
2540 | sfcp = sp->fcport; | |
2541 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
2542 | continue; | |
bdf79621 | 2543 | |
2c3dfe3f SJ |
2544 | set_bit(ISP_ABORT_NEEDED, |
2545 | &ha->dpc_flags); | |
2546 | break; | |
2547 | } | |
2548 | spin_unlock_irqrestore(&ha->hardware_lock, | |
2549 | cpu_flags); | |
1da177e4 | 2550 | } |
1da177e4 LT |
2551 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
2552 | start_dpc++; | |
2553 | } | |
2554 | ||
2555 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2556 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2557 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2558 | "restarting queues.\n", | |
2559 | ha->host_no)); | |
2560 | ||
2561 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2562 | start_dpc++; | |
2563 | ||
2564 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2565 | DEBUG(printk("scsi(%ld): Loop down - " | |
2566 | "aborting ISP.\n", | |
2567 | ha->host_no)); | |
2568 | qla_printk(KERN_WARNING, ha, | |
2569 | "Loop down - aborting ISP.\n"); | |
2570 | ||
2571 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2572 | } | |
2573 | } | |
fca29703 | 2574 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2575 | ha->host_no, |
2576 | atomic_read(&ha->loop_down_timer))); | |
2577 | } | |
2578 | ||
f6df144c AV |
2579 | /* Check if beacon LED needs to be blinked */ |
2580 | if (ha->beacon_blink_led == 1) { | |
2581 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2582 | start_dpc++; | |
2583 | } | |
2584 | ||
1da177e4 LT |
2585 | /* Schedule the DPC routine if needed */ |
2586 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2587 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2588 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2589 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2590 | start_dpc || |
2591 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2592 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2593 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
2c3dfe3f | 2594 | test_bit(VP_DPC_NEEDED, &ha->dpc_flags) || |
39a11240 | 2595 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
2c3dfe3f | 2596 | qla2xxx_wake_dpc(pha); |
1da177e4 LT |
2597 | |
2598 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2599 | } | |
2600 | ||
1da177e4 LT |
2601 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2602 | int | |
2603 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2604 | { | |
fe74c71f AV |
2605 | const unsigned int step = 100; /* msecs */ |
2606 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2607 | |
2608 | do { | |
2609 | if (!down_trylock(sema)) | |
2610 | return 0; | |
fe74c71f | 2611 | if (msleep_interruptible(step)) |
1da177e4 | 2612 | break; |
88f5774b | 2613 | } while (--iterations > 0); |
1da177e4 LT |
2614 | |
2615 | return -ETIMEDOUT; | |
2616 | } | |
2617 | ||
5433383e AV |
2618 | /* Firmware interface routines. */ |
2619 | ||
48c02fde | 2620 | #define FW_BLOBS 5 |
5433383e AV |
2621 | #define FW_ISP21XX 0 |
2622 | #define FW_ISP22XX 1 | |
2623 | #define FW_ISP2300 2 | |
2624 | #define FW_ISP2322 3 | |
48c02fde | 2625 | #define FW_ISP24XX 4 |
5433383e | 2626 | |
bb8ee499 AV |
2627 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
2628 | #define FW_FILE_ISP22XX "ql2200_fw.bin" | |
2629 | #define FW_FILE_ISP2300 "ql2300_fw.bin" | |
2630 | #define FW_FILE_ISP2322 "ql2322_fw.bin" | |
2631 | #define FW_FILE_ISP24XX "ql2400_fw.bin" | |
2632 | ||
5433383e AV |
2633 | static DECLARE_MUTEX(qla_fw_lock); |
2634 | ||
2635 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
bb8ee499 AV |
2636 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
2637 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | |
2638 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | |
2639 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2640 | { .name = FW_FILE_ISP24XX, }, | |
5433383e AV |
2641 | }; |
2642 | ||
2643 | struct fw_blob * | |
2644 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2645 | { | |
2646 | struct fw_blob *blob; | |
2647 | ||
2648 | blob = NULL; | |
2649 | if (IS_QLA2100(ha)) { | |
2650 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2651 | } else if (IS_QLA2200(ha)) { | |
2652 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2653 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2654 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2655 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2656 | blob = &qla_fw_blobs[FW_ISP2322]; |
044cc6c8 | 2657 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
5433383e AV |
2658 | blob = &qla_fw_blobs[FW_ISP24XX]; |
2659 | } | |
2660 | ||
2661 | down(&qla_fw_lock); | |
2662 | if (blob->fw) | |
2663 | goto out; | |
2664 | ||
2665 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2666 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2667 | "(%s).\n", ha->host_no, blob->name)); | |
2668 | blob->fw = NULL; | |
2669 | blob = NULL; | |
2670 | goto out; | |
2671 | } | |
2672 | ||
2673 | out: | |
2674 | up(&qla_fw_lock); | |
2675 | return blob; | |
2676 | } | |
2677 | ||
2678 | static void | |
2679 | qla2x00_release_firmware(void) | |
2680 | { | |
2681 | int idx; | |
2682 | ||
2683 | down(&qla_fw_lock); | |
2684 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2685 | if (qla_fw_blobs[idx].fw) | |
2686 | release_firmware(qla_fw_blobs[idx].fw); | |
2687 | up(&qla_fw_lock); | |
2688 | } | |
2689 | ||
5433383e | 2690 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2691 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2692 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2693 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2694 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2695 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2696 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2697 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2698 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2699 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
2700 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | |
2701 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
5433383e AV |
2702 | { 0 }, |
2703 | }; | |
2704 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2705 | ||
fca29703 | 2706 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2707 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2708 | .driver = { |
2709 | .owner = THIS_MODULE, | |
2710 | }, | |
fca29703 | 2711 | .id_table = qla2xxx_pci_tbl, |
7ee61397 AV |
2712 | .probe = qla2x00_probe_one, |
2713 | .remove = __devexit_p(qla2x00_remove_one), | |
fca29703 AV |
2714 | }; |
2715 | ||
1da177e4 LT |
2716 | /** |
2717 | * qla2x00_module_init - Module initialization. | |
2718 | **/ | |
2719 | static int __init | |
2720 | qla2x00_module_init(void) | |
2721 | { | |
fca29703 AV |
2722 | int ret = 0; |
2723 | ||
1da177e4 | 2724 | /* Allocate cache for SRBs. */ |
354d6b21 | 2725 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
1da177e4 LT |
2726 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
2727 | if (srb_cachep == NULL) { | |
2728 | printk(KERN_ERR | |
2729 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2730 | return -ENOMEM; | |
2731 | } | |
2732 | ||
2733 | /* Derive version string. */ | |
2734 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
11010fec | 2735 | if (ql2xextended_error_logging) |
0181944f AV |
2736 | strcat(qla2x00_version_str, "-debug"); |
2737 | ||
1c97a12a AV |
2738 | qla2xxx_transport_template = |
2739 | fc_attach_transport(&qla2xxx_transport_functions); | |
2c3dfe3f SJ |
2740 | if (!qla2xxx_transport_template) { |
2741 | kmem_cache_destroy(srb_cachep); | |
1da177e4 | 2742 | return -ENODEV; |
2c3dfe3f SJ |
2743 | } |
2744 | qla2xxx_transport_vport_template = | |
2745 | fc_attach_transport(&qla2xxx_transport_vport_functions); | |
2746 | if (!qla2xxx_transport_vport_template) { | |
2747 | kmem_cache_destroy(srb_cachep); | |
2748 | fc_release_transport(qla2xxx_transport_template); | |
1da177e4 | 2749 | return -ENODEV; |
2c3dfe3f | 2750 | } |
1da177e4 LT |
2751 | |
2752 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
7ee61397 | 2753 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
2754 | if (ret) { |
2755 | kmem_cache_destroy(srb_cachep); | |
2756 | fc_release_transport(qla2xxx_transport_template); | |
2c3dfe3f | 2757 | fc_release_transport(qla2xxx_transport_vport_template); |
fca29703 AV |
2758 | } |
2759 | return ret; | |
1da177e4 LT |
2760 | } |
2761 | ||
2762 | /** | |
2763 | * qla2x00_module_exit - Module cleanup. | |
2764 | **/ | |
2765 | static void __exit | |
2766 | qla2x00_module_exit(void) | |
2767 | { | |
7ee61397 | 2768 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 2769 | qla2x00_release_firmware(); |
354d6b21 | 2770 | kmem_cache_destroy(srb_cachep); |
1da177e4 | 2771 | fc_release_transport(qla2xxx_transport_template); |
2c3dfe3f | 2772 | fc_release_transport(qla2xxx_transport_vport_template); |
1da177e4 LT |
2773 | } |
2774 | ||
2775 | module_init(qla2x00_module_init); | |
2776 | module_exit(qla2x00_module_exit); | |
2777 | ||
2778 | MODULE_AUTHOR("QLogic Corporation"); | |
2779 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
2780 | MODULE_LICENSE("GPL"); | |
2781 | MODULE_VERSION(QLA2XXX_VERSION); | |
bb8ee499 AV |
2782 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
2783 | MODULE_FIRMWARE(FW_FILE_ISP22XX); | |
2784 | MODULE_FIRMWARE(FW_FILE_ISP2300); | |
2785 | MODULE_FIRMWARE(FW_FILE_ISP2322); | |
2786 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |