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 | 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, | |
9cb83c75 | 135 | .use_sg_chaining = ENABLE_SG_CHAINING, |
1da177e4 LT |
136 | .sg_tablesize = SG_ALL, |
137 | ||
138 | /* | |
139 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
140 | * which equates to 0x800000 sectors. | |
141 | */ | |
142 | .max_sectors = 0xFFFF, | |
afb046e2 | 143 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
144 | }; |
145 | ||
2c3dfe3f | 146 | struct scsi_host_template qla24xx_driver_template = { |
fca29703 | 147 | .module = THIS_MODULE, |
cb63067a | 148 | .name = QLA2XXX_DRIVER_NAME, |
fca29703 AV |
149 | .queuecommand = qla24xx_queuecommand, |
150 | ||
151 | .eh_abort_handler = qla2xxx_eh_abort, | |
152 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
153 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, | |
154 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
155 | ||
156 | .slave_configure = qla2xxx_slave_configure, | |
157 | ||
158 | .slave_alloc = qla2xxx_slave_alloc, | |
159 | .slave_destroy = qla2xxx_slave_destroy, | |
ed677086 AV |
160 | .scan_finished = qla2xxx_scan_finished, |
161 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
162 | .change_queue_depth = qla2x00_change_queue_depth, |
163 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
164 | .this_id = -1, |
165 | .cmd_per_lun = 3, | |
166 | .use_clustering = ENABLE_CLUSTERING, | |
9cb83c75 | 167 | .use_sg_chaining = ENABLE_SG_CHAINING, |
fca29703 AV |
168 | .sg_tablesize = SG_ALL, |
169 | ||
170 | .max_sectors = 0xFFFF, | |
afb046e2 | 171 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
172 | }; |
173 | ||
1da177e4 | 174 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
2c3dfe3f | 175 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
1da177e4 | 176 | |
1da177e4 LT |
177 | /* TODO Convert to inlines |
178 | * | |
179 | * Timer routines | |
180 | */ | |
1da177e4 | 181 | |
2c3dfe3f | 182 | void qla2x00_timer(scsi_qla_host_t *); |
1da177e4 | 183 | |
2c3dfe3f | 184 | __inline__ void qla2x00_start_timer(scsi_qla_host_t *, |
1da177e4 LT |
185 | void *, unsigned long); |
186 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); | |
2c3dfe3f | 187 | __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); |
1da177e4 | 188 | |
2c3dfe3f | 189 | __inline__ void |
1da177e4 LT |
190 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
191 | { | |
192 | init_timer(&ha->timer); | |
193 | ha->timer.expires = jiffies + interval * HZ; | |
194 | ha->timer.data = (unsigned long)ha; | |
195 | ha->timer.function = (void (*)(unsigned long))func; | |
196 | add_timer(&ha->timer); | |
197 | ha->timer_active = 1; | |
198 | } | |
199 | ||
200 | static inline void | |
201 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) | |
202 | { | |
203 | mod_timer(&ha->timer, jiffies + interval * HZ); | |
204 | } | |
205 | ||
2c3dfe3f | 206 | __inline__ void |
1da177e4 LT |
207 | qla2x00_stop_timer(scsi_qla_host_t *ha) |
208 | { | |
209 | del_timer_sync(&ha->timer); | |
210 | ha->timer_active = 0; | |
211 | } | |
212 | ||
1da177e4 LT |
213 | static int qla2x00_do_dpc(void *data); |
214 | ||
215 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
216 | ||
2c3dfe3f SJ |
217 | uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); |
218 | void qla2x00_mem_free(scsi_qla_host_t *ha); | |
1da177e4 LT |
219 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); |
220 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); | |
f4f051eb | 221 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
222 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); | |
1da177e4 | 223 | |
1da177e4 LT |
224 | /* -------------------------------------------------------------------------- */ |
225 | ||
1da177e4 | 226 | static char * |
abbd8870 | 227 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
228 | { |
229 | static char *pci_bus_modes[] = { | |
230 | "33", "66", "100", "133", | |
231 | }; | |
232 | uint16_t pci_bus; | |
233 | ||
234 | strcpy(str, "PCI"); | |
235 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
236 | if (pci_bus) { | |
237 | strcat(str, "-X ("); | |
238 | strcat(str, pci_bus_modes[pci_bus]); | |
239 | } else { | |
240 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
241 | strcat(str, " ("); | |
242 | strcat(str, pci_bus_modes[pci_bus]); | |
243 | } | |
244 | strcat(str, " MHz)"); | |
245 | ||
246 | return (str); | |
247 | } | |
248 | ||
fca29703 AV |
249 | static char * |
250 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) | |
251 | { | |
252 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
253 | uint32_t pci_bus; | |
254 | int pcie_reg; | |
255 | ||
256 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
257 | if (pcie_reg) { | |
258 | char lwstr[6]; | |
259 | uint16_t pcie_lstat, lspeed, lwidth; | |
260 | ||
261 | pcie_reg += 0x12; | |
262 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
263 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
264 | lwidth = (pcie_lstat & | |
265 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
266 | ||
267 | strcpy(str, "PCIe ("); | |
268 | if (lspeed == 1) | |
269 | strcat(str, "2.5Gb/s "); | |
c3a2f0df AV |
270 | else if (lspeed == 2) |
271 | strcat(str, "5.0Gb/s "); | |
fca29703 AV |
272 | else |
273 | strcat(str, "<unknown> "); | |
274 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
275 | strcat(str, lwstr); | |
276 | ||
277 | return str; | |
278 | } | |
279 | ||
280 | strcpy(str, "PCI"); | |
281 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
282 | if (pci_bus == 0 || pci_bus == 8) { | |
283 | strcat(str, " ("); | |
284 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
285 | } else { | |
286 | strcat(str, "-X "); | |
287 | if (pci_bus & BIT_2) | |
288 | strcat(str, "Mode 2"); | |
289 | else | |
290 | strcat(str, "Mode 1"); | |
291 | strcat(str, " ("); | |
292 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
293 | } | |
294 | strcat(str, " MHz)"); | |
295 | ||
296 | return str; | |
297 | } | |
298 | ||
e5f82ab8 | 299 | static char * |
abbd8870 | 300 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
1da177e4 LT |
301 | { |
302 | char un_str[10]; | |
fa2a1ce5 | 303 | |
1da177e4 LT |
304 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
305 | ha->fw_minor_version, | |
306 | ha->fw_subminor_version); | |
307 | ||
308 | if (ha->fw_attributes & BIT_9) { | |
309 | strcat(str, "FLX"); | |
310 | return (str); | |
311 | } | |
312 | ||
313 | switch (ha->fw_attributes & 0xFF) { | |
314 | case 0x7: | |
315 | strcat(str, "EF"); | |
316 | break; | |
317 | case 0x17: | |
318 | strcat(str, "TP"); | |
319 | break; | |
320 | case 0x37: | |
321 | strcat(str, "IP"); | |
322 | break; | |
323 | case 0x77: | |
324 | strcat(str, "VI"); | |
325 | break; | |
326 | default: | |
327 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
328 | strcat(str, un_str); | |
329 | break; | |
330 | } | |
331 | if (ha->fw_attributes & 0x100) | |
332 | strcat(str, "X"); | |
333 | ||
334 | return (str); | |
335 | } | |
336 | ||
e5f82ab8 | 337 | static char * |
fca29703 AV |
338 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
339 | { | |
f0883ac6 AV |
340 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
341 | ha->fw_minor_version, | |
342 | ha->fw_subminor_version); | |
343 | ||
fca29703 AV |
344 | if (ha->fw_attributes & BIT_0) |
345 | strcat(str, "[Class 2] "); | |
346 | if (ha->fw_attributes & BIT_1) | |
347 | strcat(str, "[IP] "); | |
348 | if (ha->fw_attributes & BIT_2) | |
349 | strcat(str, "[Multi-ID] "); | |
c3a2f0df AV |
350 | if (ha->fw_attributes & BIT_3) |
351 | strcat(str, "[SB-2] "); | |
352 | if (ha->fw_attributes & BIT_4) | |
353 | strcat(str, "[T10 CRC] "); | |
354 | if (ha->fw_attributes & BIT_5) | |
355 | strcat(str, "[VI] "); | |
fca29703 AV |
356 | if (ha->fw_attributes & BIT_13) |
357 | strcat(str, "[Experimental]"); | |
358 | return str; | |
fca29703 AV |
359 | } |
360 | ||
361 | static inline srb_t * | |
362 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, | |
363 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
364 | { | |
365 | srb_t *sp; | |
366 | ||
367 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
368 | if (!sp) | |
369 | return sp; | |
370 | ||
fca29703 AV |
371 | sp->ha = ha; |
372 | sp->fcport = fcport; | |
373 | sp->cmd = cmd; | |
374 | sp->flags = 0; | |
375 | CMD_SP(cmd) = (void *)sp; | |
376 | cmd->scsi_done = done; | |
377 | ||
378 | return sp; | |
379 | } | |
380 | ||
1da177e4 | 381 | static int |
f4f051eb | 382 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 383 | { |
f363b943 | 384 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 385 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 386 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
f4f051eb | 387 | srb_t *sp; |
388 | int rval; | |
1da177e4 | 389 | |
14e660e6 SJ |
390 | if (unlikely(pci_channel_offline(ha->pdev))) { |
391 | cmd->result = DID_REQUEUE << 16; | |
392 | goto qc_fail_command; | |
393 | } | |
394 | ||
19a7b4ae JSEC |
395 | rval = fc_remote_port_chkready(rport); |
396 | if (rval) { | |
397 | cmd->result = rval; | |
f4f051eb | 398 | goto qc_fail_command; |
399 | } | |
1da177e4 | 400 | |
387f96b4 | 401 | /* Close window on fcport/rport state-transitioning. */ |
402 | if (!*(fc_port_t **)rport->dd_data) { | |
403 | cmd->result = DID_IMM_RETRY << 16; | |
404 | goto qc_fail_command; | |
405 | } | |
406 | ||
f4f051eb | 407 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
408 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
409 | atomic_read(&ha->loop_state) == LOOP_DEAD) { | |
410 | cmd->result = DID_NO_CONNECT << 16; | |
411 | goto qc_fail_command; | |
412 | } | |
413 | goto qc_host_busy; | |
414 | } | |
1da177e4 LT |
415 | |
416 | spin_unlock_irq(ha->host->host_lock); | |
417 | ||
fca29703 AV |
418 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
419 | if (!sp) | |
f4f051eb | 420 | goto qc_host_busy_lock; |
1da177e4 | 421 | |
f4f051eb | 422 | rval = qla2x00_start_scsi(sp); |
423 | if (rval != QLA_SUCCESS) | |
424 | goto qc_host_busy_free_sp; | |
1da177e4 | 425 | |
f4f051eb | 426 | spin_lock_irq(ha->host->host_lock); |
1da177e4 | 427 | |
f4f051eb | 428 | return 0; |
1da177e4 | 429 | |
f4f051eb | 430 | qc_host_busy_free_sp: |
431 | qla2x00_sp_free_dma(ha, sp); | |
f4f051eb | 432 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 433 | |
f4f051eb | 434 | qc_host_busy_lock: |
435 | spin_lock_irq(ha->host->host_lock); | |
1da177e4 | 436 | |
f4f051eb | 437 | qc_host_busy: |
438 | return SCSI_MLQUEUE_HOST_BUSY; | |
1da177e4 | 439 | |
f4f051eb | 440 | qc_fail_command: |
441 | done(cmd); | |
1da177e4 | 442 | |
f4f051eb | 443 | return 0; |
1da177e4 LT |
444 | } |
445 | ||
fca29703 AV |
446 | |
447 | static int | |
448 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
449 | { | |
f363b943 | 450 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
fca29703 | 451 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 452 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
fca29703 AV |
453 | srb_t *sp; |
454 | int rval; | |
2c3dfe3f | 455 | scsi_qla_host_t *pha = to_qla_parent(ha); |
fca29703 | 456 | |
14e660e6 SJ |
457 | if (unlikely(pci_channel_offline(ha->pdev))) { |
458 | cmd->result = DID_REQUEUE << 16; | |
459 | goto qc24_fail_command; | |
460 | } | |
461 | ||
19a7b4ae JSEC |
462 | rval = fc_remote_port_chkready(rport); |
463 | if (rval) { | |
464 | cmd->result = rval; | |
fca29703 AV |
465 | goto qc24_fail_command; |
466 | } | |
467 | ||
387f96b4 | 468 | /* Close window on fcport/rport state-transitioning. */ |
469 | if (!*(fc_port_t **)rport->dd_data) { | |
470 | cmd->result = DID_IMM_RETRY << 16; | |
471 | goto qc24_fail_command; | |
472 | } | |
473 | ||
fca29703 AV |
474 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
475 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
2c3dfe3f | 476 | atomic_read(&pha->loop_state) == LOOP_DEAD) { |
fca29703 AV |
477 | cmd->result = DID_NO_CONNECT << 16; |
478 | goto qc24_fail_command; | |
479 | } | |
480 | goto qc24_host_busy; | |
481 | } | |
482 | ||
483 | spin_unlock_irq(ha->host->host_lock); | |
484 | ||
2c3dfe3f | 485 | sp = qla2x00_get_new_sp(pha, fcport, cmd, done); |
fca29703 AV |
486 | if (!sp) |
487 | goto qc24_host_busy_lock; | |
488 | ||
489 | rval = qla24xx_start_scsi(sp); | |
490 | if (rval != QLA_SUCCESS) | |
491 | goto qc24_host_busy_free_sp; | |
492 | ||
493 | spin_lock_irq(ha->host->host_lock); | |
494 | ||
495 | return 0; | |
496 | ||
497 | qc24_host_busy_free_sp: | |
2c3dfe3f SJ |
498 | qla2x00_sp_free_dma(pha, sp); |
499 | mempool_free(sp, pha->srb_mempool); | |
fca29703 AV |
500 | |
501 | qc24_host_busy_lock: | |
502 | spin_lock_irq(ha->host->host_lock); | |
503 | ||
504 | qc24_host_busy: | |
505 | return SCSI_MLQUEUE_HOST_BUSY; | |
506 | ||
507 | qc24_fail_command: | |
508 | done(cmd); | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
513 | ||
1da177e4 LT |
514 | /* |
515 | * qla2x00_eh_wait_on_command | |
516 | * Waits for the command to be returned by the Firmware for some | |
517 | * max time. | |
518 | * | |
519 | * Input: | |
520 | * ha = actual ha whose done queue will contain the command | |
521 | * returned by firmware. | |
522 | * cmd = Scsi Command to wait on. | |
523 | * flag = Abort/Reset(Bus or Device Reset) | |
524 | * | |
525 | * Return: | |
526 | * Not Found : 0 | |
527 | * Found : 1 | |
528 | */ | |
529 | static int | |
530 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) | |
531 | { | |
fe74c71f AV |
532 | #define ABORT_POLLING_PERIOD 1000 |
533 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb | 534 | unsigned long wait_iter = ABORT_WAIT_ITER; |
535 | int ret = QLA_SUCCESS; | |
1da177e4 | 536 | |
f4f051eb | 537 | while (CMD_SP(cmd)) { |
fe74c71f | 538 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 539 | |
f4f051eb | 540 | if (--wait_iter) |
541 | break; | |
542 | } | |
543 | if (CMD_SP(cmd)) | |
544 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 545 | |
f4f051eb | 546 | return ret; |
1da177e4 LT |
547 | } |
548 | ||
549 | /* | |
550 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 551 | * Wait till the HBA is online after going through |
1da177e4 LT |
552 | * <= MAX_RETRIES_OF_ISP_ABORT or |
553 | * finally HBA is disabled ie marked offline | |
554 | * | |
555 | * Input: | |
556 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
557 | * |
558 | * Note: | |
1da177e4 LT |
559 | * Does context switching-Release SPIN_LOCK |
560 | * (if any) before calling this routine. | |
561 | * | |
562 | * Return: | |
563 | * Success (Adapter is online) : 0 | |
564 | * Failed (Adapter is offline/disabled) : 1 | |
565 | */ | |
854165f4 | 566 | int |
1da177e4 LT |
567 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
568 | { | |
fca29703 AV |
569 | int return_status; |
570 | unsigned long wait_online; | |
2c3dfe3f | 571 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 572 | |
fa2a1ce5 | 573 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
2c3dfe3f SJ |
574 | while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) || |
575 | test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) || | |
576 | test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) || | |
577 | pha->dpc_active) && time_before(jiffies, wait_online)) { | |
1da177e4 LT |
578 | |
579 | msleep(1000); | |
580 | } | |
2c3dfe3f | 581 | if (pha->flags.online) |
fa2a1ce5 | 582 | return_status = QLA_SUCCESS; |
1da177e4 LT |
583 | else |
584 | return_status = QLA_FUNCTION_FAILED; | |
585 | ||
586 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); | |
587 | ||
588 | return (return_status); | |
589 | } | |
590 | ||
591 | /* | |
592 | * qla2x00_wait_for_loop_ready | |
593 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 594 | * to be in LOOP_READY state. |
1da177e4 LT |
595 | * Input: |
596 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
597 | * |
598 | * Note: | |
1da177e4 LT |
599 | * Does context switching-Release SPIN_LOCK |
600 | * (if any) before calling this routine. | |
fa2a1ce5 | 601 | * |
1da177e4 LT |
602 | * |
603 | * Return: | |
604 | * Success (LOOP_READY) : 0 | |
605 | * Failed (LOOP_NOT_READY) : 1 | |
606 | */ | |
fa2a1ce5 | 607 | static inline int |
1da177e4 LT |
608 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
609 | { | |
610 | int return_status = QLA_SUCCESS; | |
611 | unsigned long loop_timeout ; | |
2c3dfe3f | 612 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
613 | |
614 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 615 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 | 616 | |
2c3dfe3f SJ |
617 | while ((!atomic_read(&pha->loop_down_timer) && |
618 | atomic_read(&pha->loop_state) == LOOP_DOWN) || | |
619 | atomic_read(&pha->loop_state) != LOOP_READY) { | |
620 | if (atomic_read(&pha->loop_state) == LOOP_DEAD) { | |
57680080 RA |
621 | return_status = QLA_FUNCTION_FAILED; |
622 | break; | |
623 | } | |
1da177e4 LT |
624 | msleep(1000); |
625 | if (time_after_eq(jiffies, loop_timeout)) { | |
626 | return_status = QLA_FUNCTION_FAILED; | |
627 | break; | |
628 | } | |
629 | } | |
fa2a1ce5 | 630 | return (return_status); |
1da177e4 LT |
631 | } |
632 | ||
07db5183 AV |
633 | static void |
634 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) | |
635 | { | |
636 | struct Scsi_Host *shost = cmnd->device->host; | |
637 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); | |
638 | unsigned long flags; | |
639 | ||
640 | spin_lock_irqsave(shost->host_lock, flags); | |
641 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { | |
642 | spin_unlock_irqrestore(shost->host_lock, flags); | |
643 | msleep(1000); | |
644 | spin_lock_irqsave(shost->host_lock, flags); | |
645 | } | |
646 | spin_unlock_irqrestore(shost->host_lock, flags); | |
647 | return; | |
648 | } | |
649 | ||
1da177e4 LT |
650 | /************************************************************************** |
651 | * qla2xxx_eh_abort | |
652 | * | |
653 | * Description: | |
654 | * The abort function will abort the specified command. | |
655 | * | |
656 | * Input: | |
657 | * cmd = Linux SCSI command packet to be aborted. | |
658 | * | |
659 | * Returns: | |
660 | * Either SUCCESS or FAILED. | |
661 | * | |
662 | * Note: | |
2ea00202 | 663 | * Only return FAILED if command not returned by firmware. |
1da177e4 | 664 | **************************************************************************/ |
e5f82ab8 | 665 | static int |
1da177e4 LT |
666 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
667 | { | |
f363b943 | 668 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
f4f051eb | 669 | srb_t *sp; |
670 | int ret, i; | |
671 | unsigned int id, lun; | |
672 | unsigned long serial; | |
18e144d3 | 673 | unsigned long flags; |
2ea00202 | 674 | int wait = 0; |
2c3dfe3f | 675 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 676 | |
07db5183 AV |
677 | qla2x00_block_error_handler(cmd); |
678 | ||
f4f051eb | 679 | if (!CMD_SP(cmd)) |
2ea00202 | 680 | return SUCCESS; |
1da177e4 | 681 | |
2ea00202 | 682 | ret = SUCCESS; |
1da177e4 | 683 | |
f4f051eb | 684 | id = cmd->device->id; |
685 | lun = cmd->device->lun; | |
686 | serial = cmd->serial_number; | |
1da177e4 | 687 | |
f4f051eb | 688 | /* Check active list for command command. */ |
2c3dfe3f | 689 | spin_lock_irqsave(&pha->hardware_lock, flags); |
f4f051eb | 690 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
2c3dfe3f | 691 | sp = pha->outstanding_cmds[i]; |
1da177e4 | 692 | |
f4f051eb | 693 | if (sp == NULL) |
694 | continue; | |
1da177e4 | 695 | |
f4f051eb | 696 | if (sp->cmd != cmd) |
697 | continue; | |
1da177e4 | 698 | |
75bc4190 AV |
699 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
700 | __func__, ha->host_no, sp, serial)); | |
744f11fd | 701 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
1da177e4 | 702 | |
2c3dfe3f | 703 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
fd34f556 | 704 | if (ha->isp_ops->abort_command(ha, sp)) { |
f4f051eb | 705 | DEBUG2(printk("%s(%ld): abort_command " |
706 | "mbx failed.\n", __func__, ha->host_no)); | |
707 | } else { | |
708 | DEBUG3(printk("%s(%ld): abort_command " | |
709 | "mbx success.\n", __func__, ha->host_no)); | |
2ea00202 | 710 | wait = 1; |
f4f051eb | 711 | } |
2c3dfe3f | 712 | spin_lock_irqsave(&pha->hardware_lock, flags); |
1da177e4 | 713 | |
f4f051eb | 714 | break; |
715 | } | |
2c3dfe3f | 716 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 | 717 | |
f4f051eb | 718 | /* Wait for the command to be returned. */ |
2ea00202 | 719 | if (wait) { |
f4f051eb | 720 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 721 | qla_printk(KERN_ERR, ha, |
f4f051eb | 722 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
723 | "%x.\n", ha->host_no, id, lun, serial, ret); | |
2ea00202 | 724 | ret = FAILED; |
f4f051eb | 725 | } |
1da177e4 | 726 | } |
1da177e4 | 727 | |
fa2a1ce5 | 728 | qla_printk(KERN_INFO, ha, |
2ea00202 MR |
729 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
730 | ha->host_no, id, lun, wait, serial, ret); | |
1da177e4 | 731 | |
f4f051eb | 732 | return ret; |
733 | } | |
1da177e4 | 734 | |
f4f051eb | 735 | /************************************************************************** |
736 | * qla2x00_eh_wait_for_pending_target_commands | |
737 | * | |
738 | * Description: | |
739 | * Waits for all the commands to come back from the specified target. | |
740 | * | |
741 | * Input: | |
742 | * ha - pointer to scsi_qla_host structure. | |
fa2a1ce5 | 743 | * t - target |
f4f051eb | 744 | * Returns: |
745 | * Either SUCCESS or FAILED. | |
746 | * | |
747 | * Note: | |
748 | **************************************************************************/ | |
749 | static int | |
750 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) | |
751 | { | |
752 | int cnt; | |
753 | int status; | |
754 | srb_t *sp; | |
755 | struct scsi_cmnd *cmd; | |
18e144d3 | 756 | unsigned long flags; |
2c3dfe3f | 757 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 758 | |
f4f051eb | 759 | status = 0; |
1da177e4 LT |
760 | |
761 | /* | |
f4f051eb | 762 | * Waiting for all commands for the designated target in the active |
763 | * array | |
1da177e4 LT |
764 | */ |
765 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
2c3dfe3f SJ |
766 | spin_lock_irqsave(&pha->hardware_lock, flags); |
767 | sp = pha->outstanding_cmds[cnt]; | |
1da177e4 LT |
768 | if (sp) { |
769 | cmd = sp->cmd; | |
2c3dfe3f SJ |
770 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
771 | if (cmd->device->id == t && | |
772 | ha->vp_idx == sp->ha->vp_idx) { | |
1da177e4 LT |
773 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { |
774 | status = 1; | |
775 | break; | |
776 | } | |
777 | } | |
f4f051eb | 778 | } else { |
2c3dfe3f | 779 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
1da177e4 LT |
780 | } |
781 | } | |
782 | return (status); | |
783 | } | |
784 | ||
785 | ||
786 | /************************************************************************** | |
787 | * qla2xxx_eh_device_reset | |
788 | * | |
789 | * Description: | |
790 | * The device reset function will reset the target and abort any | |
791 | * executing commands. | |
792 | * | |
793 | * NOTE: The use of SP is undefined within this context. Do *NOT* | |
fa2a1ce5 | 794 | * attempt to use this value, even if you determine it is |
1da177e4 LT |
795 | * non-null. |
796 | * | |
797 | * Input: | |
798 | * cmd = Linux SCSI command packet of the command that cause the | |
799 | * bus device reset. | |
800 | * | |
801 | * Returns: | |
802 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
803 | * | |
804 | **************************************************************************/ | |
e5f82ab8 | 805 | static int |
1da177e4 LT |
806 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
807 | { | |
f363b943 | 808 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 809 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 810 | int ret = FAILED; |
f4f051eb | 811 | unsigned int id, lun; |
812 | unsigned long serial; | |
1da177e4 | 813 | |
07db5183 AV |
814 | qla2x00_block_error_handler(cmd); |
815 | ||
f4f051eb | 816 | id = cmd->device->id; |
817 | lun = cmd->device->lun; | |
818 | serial = cmd->serial_number; | |
1da177e4 | 819 | |
b0328bee | 820 | if (!fcport) |
f4f051eb | 821 | return ret; |
1da177e4 LT |
822 | |
823 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 824 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 825 | |
94d0e7b8 | 826 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
1da177e4 | 827 | goto eh_dev_reset_done; |
1da177e4 LT |
828 | |
829 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb | 830 | if (qla2x00_device_reset(ha, fcport) == 0) |
831 | ret = SUCCESS; | |
1da177e4 LT |
832 | |
833 | #if defined(LOGOUT_AFTER_DEVICE_RESET) | |
f4f051eb | 834 | if (ret == SUCCESS) { |
835 | if (fcport->flags & FC_FABRIC_DEVICE) { | |
fd34f556 | 836 | ha->isp_ops->fabric_logout(ha, fcport->loop_id); |
d97994dc | 837 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
1da177e4 LT |
838 | } |
839 | } | |
840 | #endif | |
841 | } else { | |
842 | DEBUG2(printk(KERN_INFO | |
744f11fd | 843 | "%s failed: loop not ready\n",__func__)); |
1da177e4 LT |
844 | } |
845 | ||
f4f051eb | 846 | if (ret == FAILED) { |
1da177e4 LT |
847 | DEBUG3(printk("%s(%ld): device reset failed\n", |
848 | __func__, ha->host_no)); | |
849 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", | |
850 | __func__); | |
851 | ||
852 | goto eh_dev_reset_done; | |
853 | } | |
854 | ||
9a41a62b AV |
855 | /* Flush outstanding commands. */ |
856 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) | |
857 | ret = FAILED; | |
858 | if (ret == FAILED) { | |
859 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", | |
860 | __func__, ha->host_no)); | |
861 | qla_printk(KERN_INFO, ha, | |
862 | "%s: failed while waiting for commands\n", __func__); | |
863 | } else | |
864 | qla_printk(KERN_INFO, ha, | |
865 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, | |
866 | id, lun); | |
28f22b03 | 867 | eh_dev_reset_done: |
f4f051eb | 868 | return ret; |
1da177e4 LT |
869 | } |
870 | ||
871 | /************************************************************************** | |
872 | * qla2x00_eh_wait_for_pending_commands | |
873 | * | |
874 | * Description: | |
875 | * Waits for all the commands to come back from the specified host. | |
876 | * | |
877 | * Input: | |
878 | * ha - pointer to scsi_qla_host structure. | |
879 | * | |
880 | * Returns: | |
881 | * 1 : SUCCESS | |
882 | * 0 : FAILED | |
883 | * | |
884 | * Note: | |
885 | **************************************************************************/ | |
886 | static int | |
887 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) | |
888 | { | |
889 | int cnt; | |
890 | int status; | |
891 | srb_t *sp; | |
892 | struct scsi_cmnd *cmd; | |
18e144d3 | 893 | unsigned long flags; |
1da177e4 LT |
894 | |
895 | status = 1; | |
896 | ||
897 | /* | |
898 | * Waiting for all commands for the designated target in the active | |
899 | * array | |
900 | */ | |
901 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
18e144d3 | 902 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
903 | sp = ha->outstanding_cmds[cnt]; |
904 | if (sp) { | |
905 | cmd = sp->cmd; | |
18e144d3 | 906 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
907 | status = qla2x00_eh_wait_on_command(ha, cmd); |
908 | if (status == 0) | |
909 | break; | |
910 | } | |
911 | else { | |
18e144d3 | 912 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
913 | } |
914 | } | |
915 | return (status); | |
916 | } | |
917 | ||
918 | ||
919 | /************************************************************************** | |
920 | * qla2xxx_eh_bus_reset | |
921 | * | |
922 | * Description: | |
923 | * The bus reset function will reset the bus and abort any executing | |
924 | * commands. | |
925 | * | |
926 | * Input: | |
927 | * cmd = Linux SCSI command packet of the command that cause the | |
928 | * bus reset. | |
929 | * | |
930 | * Returns: | |
931 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
932 | * | |
933 | **************************************************************************/ | |
e5f82ab8 | 934 | static int |
1da177e4 LT |
935 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
936 | { | |
f363b943 | 937 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
2c3dfe3f | 938 | scsi_qla_host_t *pha = to_qla_parent(ha); |
bdf79621 | 939 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 940 | int ret = FAILED; |
f4f051eb | 941 | unsigned int id, lun; |
942 | unsigned long serial; | |
943 | ||
07db5183 AV |
944 | qla2x00_block_error_handler(cmd); |
945 | ||
f4f051eb | 946 | id = cmd->device->id; |
947 | lun = cmd->device->lun; | |
948 | serial = cmd->serial_number; | |
1da177e4 | 949 | |
b0328bee | 950 | if (!fcport) |
f4f051eb | 951 | return ret; |
1da177e4 LT |
952 | |
953 | qla_printk(KERN_INFO, ha, | |
f4f051eb | 954 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 955 | |
1da177e4 LT |
956 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
957 | DEBUG2(printk("%s failed:board disabled\n",__func__)); | |
f4f051eb | 958 | goto eh_bus_reset_done; |
1da177e4 LT |
959 | } |
960 | ||
961 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { | |
f4f051eb | 962 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
963 | ret = SUCCESS; | |
1da177e4 | 964 | } |
f4f051eb | 965 | if (ret == FAILED) |
966 | goto eh_bus_reset_done; | |
1da177e4 | 967 | |
9a41a62b | 968 | /* Flush outstanding commands. */ |
2c3dfe3f | 969 | if (!qla2x00_eh_wait_for_pending_commands(pha)) |
9a41a62b | 970 | ret = FAILED; |
1da177e4 | 971 | |
f4f051eb | 972 | eh_bus_reset_done: |
1da177e4 | 973 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
f4f051eb | 974 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 975 | |
f4f051eb | 976 | return ret; |
1da177e4 LT |
977 | } |
978 | ||
979 | /************************************************************************** | |
980 | * qla2xxx_eh_host_reset | |
981 | * | |
982 | * Description: | |
983 | * The reset function will reset the Adapter. | |
984 | * | |
985 | * Input: | |
986 | * cmd = Linux SCSI command packet of the command that cause the | |
987 | * adapter reset. | |
988 | * | |
989 | * Returns: | |
990 | * Either SUCCESS or FAILED. | |
991 | * | |
992 | * Note: | |
993 | **************************************************************************/ | |
e5f82ab8 | 994 | static int |
1da177e4 LT |
995 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
996 | { | |
f363b943 | 997 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
bdf79621 | 998 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 999 | int ret = FAILED; |
f4f051eb | 1000 | unsigned int id, lun; |
1001 | unsigned long serial; | |
2c3dfe3f | 1002 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 1003 | |
07db5183 AV |
1004 | qla2x00_block_error_handler(cmd); |
1005 | ||
f4f051eb | 1006 | id = cmd->device->id; |
1007 | lun = cmd->device->lun; | |
1008 | serial = cmd->serial_number; | |
1009 | ||
b0328bee | 1010 | if (!fcport) |
f4f051eb | 1011 | return ret; |
1da177e4 | 1012 | |
1da177e4 | 1013 | qla_printk(KERN_INFO, ha, |
f4f051eb | 1014 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
1da177e4 | 1015 | |
1da177e4 | 1016 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
f4f051eb | 1017 | goto eh_host_reset_lock; |
1da177e4 LT |
1018 | |
1019 | /* | |
1020 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 1021 | * loop_resync,so wait a while for it to |
1da177e4 LT |
1022 | * be completed and then issue big hammer.Otherwise |
1023 | * it may cause I/O failure as big hammer marks the | |
1024 | * devices as lost kicking of the port_down_timer | |
1025 | * while dpc is stuck for the mailbox to complete. | |
1026 | */ | |
1da177e4 | 1027 | qla2x00_wait_for_loop_ready(ha); |
2c3dfe3f SJ |
1028 | set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1029 | if (qla2x00_abort_isp(pha)) { | |
1030 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); | |
1da177e4 | 1031 | /* failed. schedule dpc to try */ |
2c3dfe3f | 1032 | set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags); |
1da177e4 LT |
1033 | |
1034 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) | |
f4f051eb | 1035 | goto eh_host_reset_lock; |
fa2a1ce5 | 1036 | } |
2c3dfe3f | 1037 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
1da177e4 | 1038 | |
1da177e4 | 1039 | /* Waiting for our command in done_queue to be returned to OS.*/ |
2c3dfe3f | 1040 | if (qla2x00_eh_wait_for_pending_commands(pha)) |
f4f051eb | 1041 | ret = SUCCESS; |
1da177e4 | 1042 | |
2c3dfe3f SJ |
1043 | if (ha->parent) |
1044 | qla2x00_vp_abort_isp(ha); | |
1045 | ||
f4f051eb | 1046 | eh_host_reset_lock: |
f4f051eb | 1047 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1048 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1049 | |
f4f051eb | 1050 | return ret; |
1051 | } | |
1da177e4 LT |
1052 | |
1053 | /* | |
1054 | * qla2x00_loop_reset | |
1055 | * Issue loop reset. | |
1056 | * | |
1057 | * Input: | |
1058 | * ha = adapter block pointer. | |
1059 | * | |
1060 | * Returns: | |
1061 | * 0 = success | |
1062 | */ | |
1063 | static int | |
1064 | qla2x00_loop_reset(scsi_qla_host_t *ha) | |
1065 | { | |
0c8c39af | 1066 | int ret; |
bdf79621 | 1067 | struct fc_port *fcport; |
1da177e4 | 1068 | |
0c8c39af AV |
1069 | if (ha->flags.enable_lip_full_login) { |
1070 | ret = qla2x00_full_login_lip(ha); | |
1071 | if (ret != QLA_SUCCESS) { | |
1072 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1073 | "full_login_lip=%d.\n", __func__, ha->host_no, | |
1074 | ret)); | |
1075 | } | |
1076 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
1077 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
1078 | qla2x00_mark_all_devices_lost(ha, 0); | |
1079 | qla2x00_wait_for_loop_ready(ha); | |
1080 | } | |
1081 | ||
1da177e4 | 1082 | if (ha->flags.enable_lip_reset) { |
0c8c39af AV |
1083 | ret = qla2x00_lip_reset(ha); |
1084 | if (ret != QLA_SUCCESS) { | |
1085 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1086 | "lip_reset=%d.\n", __func__, ha->host_no, ret)); | |
1087 | } | |
1088 | qla2x00_wait_for_loop_ready(ha); | |
1da177e4 LT |
1089 | } |
1090 | ||
0c8c39af | 1091 | if (ha->flags.enable_target_reset) { |
bdf79621 | 1092 | list_for_each_entry(fcport, &ha->fcports, list) { |
1093 | if (fcport->port_type != FCT_TARGET) | |
1da177e4 LT |
1094 | continue; |
1095 | ||
0c8c39af AV |
1096 | ret = qla2x00_device_reset(ha, fcport); |
1097 | if (ret != QLA_SUCCESS) { | |
1098 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1099 | "target_reset=%d d_id=%x.\n", __func__, | |
1100 | ha->host_no, ret, fcport->d_id.b24)); | |
1101 | } | |
1da177e4 LT |
1102 | } |
1103 | } | |
1104 | ||
1da177e4 LT |
1105 | /* Issue marker command only when we are going to start the I/O */ |
1106 | ha->marker_needed = 1; | |
1107 | ||
0c8c39af | 1108 | return QLA_SUCCESS; |
1da177e4 LT |
1109 | } |
1110 | ||
1111 | /* | |
1112 | * qla2x00_device_reset | |
1113 | * Issue bus device reset message to the target. | |
1114 | * | |
1115 | * Input: | |
1116 | * ha = adapter block pointer. | |
1117 | * t = SCSI ID. | |
1118 | * TARGET_QUEUE_LOCK must be released. | |
1119 | * ADAPTER_STATE_LOCK must be released. | |
1120 | * | |
1121 | * Context: | |
1122 | * Kernel context. | |
1123 | */ | |
1124 | static int | |
1125 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) | |
1126 | { | |
1127 | /* Abort Target command will clear Reservation */ | |
fd34f556 | 1128 | return ha->isp_ops->abort_target(reset_fcport); |
1da177e4 LT |
1129 | } |
1130 | ||
f4f051eb | 1131 | static int |
1132 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1133 | { |
bdf79621 | 1134 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1135 | |
19a7b4ae | 1136 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1137 | return -ENXIO; |
bdf79621 | 1138 | |
19a7b4ae | 1139 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1140 | |
f4f051eb | 1141 | return 0; |
1142 | } | |
1da177e4 | 1143 | |
f4f051eb | 1144 | static int |
1145 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1146 | { | |
f363b943 | 1147 | scsi_qla_host_t *ha = shost_priv(sdev->host); |
8482e118 | 1148 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
1149 | ||
f4f051eb | 1150 | if (sdev->tagged_supported) |
df7baa50 | 1151 | scsi_activate_tcq(sdev, ha->max_q_depth); |
f4f051eb | 1152 | else |
df7baa50 | 1153 | scsi_deactivate_tcq(sdev, ha->max_q_depth); |
1da177e4 | 1154 | |
8482e118 | 1155 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
1156 | ||
f4f051eb | 1157 | return 0; |
1158 | } | |
1da177e4 | 1159 | |
f4f051eb | 1160 | static void |
1161 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1162 | { | |
1163 | sdev->hostdata = NULL; | |
1da177e4 LT |
1164 | } |
1165 | ||
ce7e4af7 AV |
1166 | static int |
1167 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1168 | { | |
1169 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1170 | return sdev->queue_depth; | |
1171 | } | |
1172 | ||
1173 | static int | |
1174 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1175 | { | |
1176 | if (sdev->tagged_supported) { | |
1177 | scsi_set_tag_type(sdev, tag_type); | |
1178 | if (tag_type) | |
1179 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1180 | else | |
1181 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1182 | } else | |
1183 | tag_type = 0; | |
1184 | ||
1185 | return tag_type; | |
1186 | } | |
1187 | ||
1da177e4 LT |
1188 | /** |
1189 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1190 | * @ha: HA context | |
1191 | * | |
1192 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1193 | * supported addressing method. | |
1194 | */ | |
1195 | static void | |
1196 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) | |
1197 | { | |
7524f9b9 | 1198 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1199 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1200 | |
7524f9b9 AV |
1201 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1202 | /* Any upper-dword bits set? */ | |
1203 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1204 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1205 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1206 | ha->flags.enable_64bit_addressing = 1; |
fd34f556 AV |
1207 | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; |
1208 | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1209 | return; |
1da177e4 | 1210 | } |
1da177e4 | 1211 | } |
7524f9b9 AV |
1212 | |
1213 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1214 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1215 | } |
1216 | ||
fd34f556 AV |
1217 | static void |
1218 | qla2x00_enable_intrs(scsi_qla_host_t *ha) | |
1219 | { | |
1220 | unsigned long flags = 0; | |
1221 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1222 | ||
1223 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1224 | ha->interrupts_on = 1; | |
1225 | /* enable risc and host interrupts */ | |
1226 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1227 | RD_REG_WORD(®->ictrl); | |
1228 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1229 | ||
1230 | } | |
1231 | ||
1232 | static void | |
1233 | qla2x00_disable_intrs(scsi_qla_host_t *ha) | |
1234 | { | |
1235 | unsigned long flags = 0; | |
1236 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1237 | ||
1238 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1239 | ha->interrupts_on = 0; | |
1240 | /* disable risc and host interrupts */ | |
1241 | WRT_REG_WORD(®->ictrl, 0); | |
1242 | RD_REG_WORD(®->ictrl); | |
1243 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1244 | } | |
1245 | ||
1246 | static void | |
1247 | qla24xx_enable_intrs(scsi_qla_host_t *ha) | |
1248 | { | |
1249 | unsigned long flags = 0; | |
1250 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1251 | ||
1252 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1253 | ha->interrupts_on = 1; | |
1254 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1255 | RD_REG_DWORD(®->ictrl); | |
1256 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1257 | } | |
1258 | ||
1259 | static void | |
1260 | qla24xx_disable_intrs(scsi_qla_host_t *ha) | |
1261 | { | |
1262 | unsigned long flags = 0; | |
1263 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1264 | ||
1265 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1266 | ha->interrupts_on = 0; | |
1267 | WRT_REG_DWORD(®->ictrl, 0); | |
1268 | RD_REG_DWORD(®->ictrl); | |
1269 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1270 | } | |
1271 | ||
1272 | static struct isp_operations qla2100_isp_ops = { | |
1273 | .pci_config = qla2100_pci_config, | |
1274 | .reset_chip = qla2x00_reset_chip, | |
1275 | .chip_diag = qla2x00_chip_diag, | |
1276 | .config_rings = qla2x00_config_rings, | |
1277 | .reset_adapter = qla2x00_reset_adapter, | |
1278 | .nvram_config = qla2x00_nvram_config, | |
1279 | .update_fw_options = qla2x00_update_fw_options, | |
1280 | .load_risc = qla2x00_load_risc, | |
1281 | .pci_info_str = qla2x00_pci_info_str, | |
1282 | .fw_version_str = qla2x00_fw_version_str, | |
1283 | .intr_handler = qla2100_intr_handler, | |
1284 | .enable_intrs = qla2x00_enable_intrs, | |
1285 | .disable_intrs = qla2x00_disable_intrs, | |
1286 | .abort_command = qla2x00_abort_command, | |
1287 | .abort_target = qla2x00_abort_target, | |
1288 | .fabric_login = qla2x00_login_fabric, | |
1289 | .fabric_logout = qla2x00_fabric_logout, | |
1290 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1291 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1292 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1293 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1294 | .read_nvram = qla2x00_read_nvram_data, | |
1295 | .write_nvram = qla2x00_write_nvram_data, | |
1296 | .fw_dump = qla2100_fw_dump, | |
1297 | .beacon_on = NULL, | |
1298 | .beacon_off = NULL, | |
1299 | .beacon_blink = NULL, | |
1300 | .read_optrom = qla2x00_read_optrom_data, | |
1301 | .write_optrom = qla2x00_write_optrom_data, | |
1302 | .get_flash_version = qla2x00_get_flash_version, | |
1303 | }; | |
1304 | ||
1305 | static struct isp_operations qla2300_isp_ops = { | |
1306 | .pci_config = qla2300_pci_config, | |
1307 | .reset_chip = qla2x00_reset_chip, | |
1308 | .chip_diag = qla2x00_chip_diag, | |
1309 | .config_rings = qla2x00_config_rings, | |
1310 | .reset_adapter = qla2x00_reset_adapter, | |
1311 | .nvram_config = qla2x00_nvram_config, | |
1312 | .update_fw_options = qla2x00_update_fw_options, | |
1313 | .load_risc = qla2x00_load_risc, | |
1314 | .pci_info_str = qla2x00_pci_info_str, | |
1315 | .fw_version_str = qla2x00_fw_version_str, | |
1316 | .intr_handler = qla2300_intr_handler, | |
1317 | .enable_intrs = qla2x00_enable_intrs, | |
1318 | .disable_intrs = qla2x00_disable_intrs, | |
1319 | .abort_command = qla2x00_abort_command, | |
1320 | .abort_target = qla2x00_abort_target, | |
1321 | .fabric_login = qla2x00_login_fabric, | |
1322 | .fabric_logout = qla2x00_fabric_logout, | |
1323 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1324 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1325 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1326 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1327 | .read_nvram = qla2x00_read_nvram_data, | |
1328 | .write_nvram = qla2x00_write_nvram_data, | |
1329 | .fw_dump = qla2300_fw_dump, | |
1330 | .beacon_on = qla2x00_beacon_on, | |
1331 | .beacon_off = qla2x00_beacon_off, | |
1332 | .beacon_blink = qla2x00_beacon_blink, | |
1333 | .read_optrom = qla2x00_read_optrom_data, | |
1334 | .write_optrom = qla2x00_write_optrom_data, | |
1335 | .get_flash_version = qla2x00_get_flash_version, | |
1336 | }; | |
1337 | ||
1338 | static struct isp_operations qla24xx_isp_ops = { | |
1339 | .pci_config = qla24xx_pci_config, | |
1340 | .reset_chip = qla24xx_reset_chip, | |
1341 | .chip_diag = qla24xx_chip_diag, | |
1342 | .config_rings = qla24xx_config_rings, | |
1343 | .reset_adapter = qla24xx_reset_adapter, | |
1344 | .nvram_config = qla24xx_nvram_config, | |
1345 | .update_fw_options = qla24xx_update_fw_options, | |
1346 | .load_risc = qla24xx_load_risc, | |
1347 | .pci_info_str = qla24xx_pci_info_str, | |
1348 | .fw_version_str = qla24xx_fw_version_str, | |
1349 | .intr_handler = qla24xx_intr_handler, | |
1350 | .enable_intrs = qla24xx_enable_intrs, | |
1351 | .disable_intrs = qla24xx_disable_intrs, | |
1352 | .abort_command = qla24xx_abort_command, | |
1353 | .abort_target = qla24xx_abort_target, | |
1354 | .fabric_login = qla24xx_login_fabric, | |
1355 | .fabric_logout = qla24xx_fabric_logout, | |
1356 | .calc_req_entries = NULL, | |
1357 | .build_iocbs = NULL, | |
1358 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1359 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1360 | .read_nvram = qla24xx_read_nvram_data, | |
1361 | .write_nvram = qla24xx_write_nvram_data, | |
1362 | .fw_dump = qla24xx_fw_dump, | |
1363 | .beacon_on = qla24xx_beacon_on, | |
1364 | .beacon_off = qla24xx_beacon_off, | |
1365 | .beacon_blink = qla24xx_beacon_blink, | |
1366 | .read_optrom = qla24xx_read_optrom_data, | |
1367 | .write_optrom = qla24xx_write_optrom_data, | |
1368 | .get_flash_version = qla24xx_get_flash_version, | |
1369 | }; | |
1370 | ||
c3a2f0df AV |
1371 | static struct isp_operations qla25xx_isp_ops = { |
1372 | .pci_config = qla25xx_pci_config, | |
1373 | .reset_chip = qla24xx_reset_chip, | |
1374 | .chip_diag = qla24xx_chip_diag, | |
1375 | .config_rings = qla24xx_config_rings, | |
1376 | .reset_adapter = qla24xx_reset_adapter, | |
1377 | .nvram_config = qla24xx_nvram_config, | |
1378 | .update_fw_options = qla24xx_update_fw_options, | |
1379 | .load_risc = qla24xx_load_risc, | |
1380 | .pci_info_str = qla24xx_pci_info_str, | |
1381 | .fw_version_str = qla24xx_fw_version_str, | |
1382 | .intr_handler = qla24xx_intr_handler, | |
1383 | .enable_intrs = qla24xx_enable_intrs, | |
1384 | .disable_intrs = qla24xx_disable_intrs, | |
1385 | .abort_command = qla24xx_abort_command, | |
1386 | .abort_target = qla24xx_abort_target, | |
1387 | .fabric_login = qla24xx_login_fabric, | |
1388 | .fabric_logout = qla24xx_fabric_logout, | |
1389 | .calc_req_entries = NULL, | |
1390 | .build_iocbs = NULL, | |
1391 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1392 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1393 | .read_nvram = qla25xx_read_nvram_data, | |
1394 | .write_nvram = qla25xx_write_nvram_data, | |
1395 | .fw_dump = qla25xx_fw_dump, | |
1396 | .beacon_on = qla24xx_beacon_on, | |
1397 | .beacon_off = qla24xx_beacon_off, | |
1398 | .beacon_blink = qla24xx_beacon_blink, | |
338c9161 | 1399 | .read_optrom = qla25xx_read_optrom_data, |
c3a2f0df AV |
1400 | .write_optrom = qla24xx_write_optrom_data, |
1401 | .get_flash_version = qla24xx_get_flash_version, | |
1402 | }; | |
1403 | ||
ea5b6382 | 1404 | static inline void |
1405 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) | |
1406 | { | |
1407 | ha->device_type = DT_EXTENDED_IDS; | |
1408 | switch (ha->pdev->device) { | |
1409 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1410 | ha->device_type |= DT_ISP2100; | |
1411 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1412 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 | 1413 | break; |
1414 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1415 | ha->device_type |= DT_ISP2200; | |
1416 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1417 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 | 1418 | break; |
1419 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1420 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1421 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1422 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1423 | break; |
1424 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1425 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1426 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1427 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1428 | break; |
1429 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1430 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1431 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 | 1432 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1433 | ha->pdev->subsystem_device == 0x0170) | |
1434 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1435 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1436 | break; |
1437 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1438 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1439 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1440 | break; |
1441 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1442 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1443 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1444 | break; |
1445 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1446 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1447 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1448 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1449 | ha->device_type |= DT_IIDMA; |
441d1072 | 1450 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1451 | break; |
1452 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1453 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1454 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1455 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1456 | ha->device_type |= DT_IIDMA; |
441d1072 | 1457 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1458 | break; |
044cc6c8 | 1459 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1460 | ha->device_type |= DT_ISP5422; | |
e428924c | 1461 | ha->device_type |= DT_FWI2; |
441d1072 | 1462 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1463 | break; |
044cc6c8 | 1464 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1465 | ha->device_type |= DT_ISP5432; | |
e428924c | 1466 | ha->device_type |= DT_FWI2; |
441d1072 | 1467 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1468 | break; |
c3a2f0df AV |
1469 | case PCI_DEVICE_ID_QLOGIC_ISP2532: |
1470 | ha->device_type |= DT_ISP2532; | |
1471 | ha->device_type |= DT_ZIO_SUPPORTED; | |
1472 | ha->device_type |= DT_FWI2; | |
1473 | ha->device_type |= DT_IIDMA; | |
441d1072 | 1474 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1475 | break; |
1476 | } | |
1477 | } | |
1478 | ||
1da177e4 LT |
1479 | static int |
1480 | qla2x00_iospace_config(scsi_qla_host_t *ha) | |
1481 | { | |
3776541d | 1482 | resource_size_t pio; |
1da177e4 | 1483 | |
285d0321 AV |
1484 | if (pci_request_selected_regions(ha->pdev, ha->bars, |
1485 | QLA2XXX_DRIVER_NAME)) { | |
1486 | qla_printk(KERN_WARNING, ha, | |
1487 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1488 | pci_name(ha->pdev)); | |
1489 | ||
1490 | goto iospace_error_exit; | |
1491 | } | |
1492 | if (!(ha->bars & 1)) | |
1493 | goto skip_pio; | |
1494 | ||
1da177e4 LT |
1495 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
1496 | pio = pci_resource_start(ha->pdev, 0); | |
3776541d AV |
1497 | if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { |
1498 | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { | |
1da177e4 LT |
1499 | qla_printk(KERN_WARNING, ha, |
1500 | "Invalid PCI I/O region size (%s)...\n", | |
1501 | pci_name(ha->pdev)); | |
1502 | pio = 0; | |
1503 | } | |
1504 | } else { | |
1505 | qla_printk(KERN_WARNING, ha, | |
1506 | "region #0 not a PIO resource (%s)...\n", | |
1507 | pci_name(ha->pdev)); | |
1508 | pio = 0; | |
1509 | } | |
285d0321 | 1510 | ha->pio_address = pio; |
1da177e4 | 1511 | |
285d0321 | 1512 | skip_pio: |
1da177e4 | 1513 | /* Use MMIO operations for all accesses. */ |
3776541d | 1514 | if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
1da177e4 | 1515 | qla_printk(KERN_ERR, ha, |
3776541d | 1516 | "region #1 not an MMIO resource (%s), aborting\n", |
1da177e4 LT |
1517 | pci_name(ha->pdev)); |
1518 | goto iospace_error_exit; | |
1519 | } | |
3776541d | 1520 | if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { |
1da177e4 LT |
1521 | qla_printk(KERN_ERR, ha, |
1522 | "Invalid PCI mem region size (%s), aborting\n", | |
1523 | pci_name(ha->pdev)); | |
1524 | goto iospace_error_exit; | |
1525 | } | |
1526 | ||
3776541d | 1527 | ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); |
1da177e4 LT |
1528 | if (!ha->iobase) { |
1529 | qla_printk(KERN_ERR, ha, | |
1530 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1531 | ||
1532 | goto iospace_error_exit; | |
1533 | } | |
1534 | ||
1535 | return (0); | |
1536 | ||
1537 | iospace_error_exit: | |
1538 | return (-ENOMEM); | |
1539 | } | |
1540 | ||
1e99e33a AV |
1541 | static void |
1542 | qla2xxx_scan_start(struct Scsi_Host *shost) | |
1543 | { | |
f363b943 | 1544 | scsi_qla_host_t *ha = shost_priv(shost); |
1e99e33a AV |
1545 | |
1546 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
1547 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1548 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1549 | } | |
1550 | ||
1551 | static int | |
1552 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1553 | { | |
f363b943 | 1554 | scsi_qla_host_t *ha = shost_priv(shost); |
1e99e33a AV |
1555 | |
1556 | if (!ha->host) | |
1557 | return 1; | |
1558 | if (time > ha->loop_reset_delay * HZ) | |
1559 | return 1; | |
1560 | ||
1561 | return atomic_read(&ha->loop_state) == LOOP_READY; | |
1562 | } | |
1563 | ||
1da177e4 LT |
1564 | /* |
1565 | * PCI driver interface | |
1566 | */ | |
7ee61397 AV |
1567 | static int __devinit |
1568 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1569 | { |
a1541d5a | 1570 | int ret = -ENODEV; |
fca29703 | 1571 | device_reg_t __iomem *reg; |
1da177e4 LT |
1572 | struct Scsi_Host *host; |
1573 | scsi_qla_host_t *ha; | |
1574 | unsigned long flags = 0; | |
29856e28 | 1575 | char pci_info[30]; |
1da177e4 | 1576 | char fw_str[30]; |
5433383e | 1577 | struct scsi_host_template *sht; |
285d0321 | 1578 | int bars; |
1da177e4 | 1579 | |
285d0321 | 1580 | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
5433383e AV |
1581 | sht = &qla2x00_driver_template; |
1582 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
8bc69e7d AV |
1583 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
1584 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || | |
c3a2f0df | 1585 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || |
285d0321 AV |
1586 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) { |
1587 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
5433383e | 1588 | sht = &qla24xx_driver_template; |
285d0321 AV |
1589 | } |
1590 | ||
1591 | if (pci_enable_device_bars(pdev, bars)) | |
1592 | goto probe_out; | |
1593 | ||
1594 | if (pci_find_aer_capability(pdev)) | |
1595 | if (pci_enable_pcie_error_reporting(pdev)) | |
1596 | goto probe_out; | |
1597 | ||
5433383e | 1598 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
1da177e4 LT |
1599 | if (host == NULL) { |
1600 | printk(KERN_WARNING | |
1601 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
1602 | goto probe_disable_device; | |
1603 | } | |
1604 | ||
1605 | /* Clear our data area */ | |
f363b943 | 1606 | ha = shost_priv(host); |
1da177e4 LT |
1607 | memset(ha, 0, sizeof(scsi_qla_host_t)); |
1608 | ||
1609 | ha->pdev = pdev; | |
1610 | ha->host = host; | |
1611 | ha->host_no = host->host_no; | |
cb63067a | 1612 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
2c3dfe3f | 1613 | ha->parent = NULL; |
285d0321 | 1614 | ha->bars = bars; |
1da177e4 | 1615 | |
ea5b6382 | 1616 | /* Set ISP-type information. */ |
1617 | qla2x00_set_isp_flags(ha); | |
1618 | ||
1da177e4 LT |
1619 | /* Configure PCI I/O space */ |
1620 | ret = qla2x00_iospace_config(ha); | |
a1541d5a AV |
1621 | if (ret) |
1622 | goto probe_failed; | |
1da177e4 | 1623 | |
1da177e4 | 1624 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1625 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1626 | ha->iobase); | |
1da177e4 LT |
1627 | |
1628 | spin_lock_init(&ha->hardware_lock); | |
1629 | ||
1da177e4 | 1630 | ha->prev_topology = 0; |
fca29703 | 1631 | ha->init_cb_size = sizeof(init_cb_t); |
2c3dfe3f | 1632 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx; |
d8b45213 | 1633 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1634 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1635 | |
df7baa50 AV |
1636 | ha->max_q_depth = MAX_Q_DEPTH; |
1637 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | |
1638 | ha->max_q_depth = ql2xmaxqdepth; | |
1639 | ||
abbd8870 | 1640 | /* Assign ISP specific operations. */ |
1da177e4 | 1641 | if (IS_QLA2100(ha)) { |
354d6b21 | 1642 | host->max_id = MAX_TARGETS_2100; |
1da177e4 LT |
1643 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
1644 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; | |
1645 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1646 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
1647 | host->sg_tablesize = 32; | |
abbd8870 | 1648 | ha->gid_list_info_size = 4; |
fd34f556 | 1649 | ha->isp_ops = &qla2100_isp_ops; |
1da177e4 | 1650 | } else if (IS_QLA2200(ha)) { |
354d6b21 | 1651 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1652 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1653 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1654 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; | |
1655 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1656 | ha->gid_list_info_size = 4; |
fd34f556 | 1657 | ha->isp_ops = &qla2100_isp_ops; |
fca29703 | 1658 | } else if (IS_QLA23XX(ha)) { |
354d6b21 | 1659 | host->max_id = MAX_TARGETS_2200; |
1da177e4 LT |
1660 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
1661 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; | |
1662 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1663 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 | 1664 | ha->gid_list_info_size = 6; |
854165f4 | 1665 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1666 | ha->optrom_size = OPTROM_SIZE_2322; | |
fd34f556 | 1667 | ha->isp_ops = &qla2300_isp_ops; |
044cc6c8 | 1668 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
fca29703 AV |
1669 | host->max_id = MAX_TARGETS_2200; |
1670 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1671 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1672 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1673 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
2c3dfe3f SJ |
1674 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
1675 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; | |
fca29703 | 1676 | ha->gid_list_info_size = 8; |
854165f4 | 1677 | ha->optrom_size = OPTROM_SIZE_24XX; |
fd34f556 | 1678 | ha->isp_ops = &qla24xx_isp_ops; |
c3a2f0df AV |
1679 | } else if (IS_QLA25XX(ha)) { |
1680 | host->max_id = MAX_TARGETS_2200; | |
1681 | ha->mbx_count = MAILBOX_REGISTER_COUNT; | |
1682 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; | |
1683 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; | |
1684 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; | |
1685 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); | |
1686 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; | |
1687 | ha->gid_list_info_size = 8; | |
1688 | ha->optrom_size = OPTROM_SIZE_25XX; | |
1689 | ha->isp_ops = &qla25xx_isp_ops; | |
1da177e4 LT |
1690 | } |
1691 | host->can_queue = ha->request_q_length + 128; | |
1692 | ||
1693 | /* load the F/W, read paramaters, and init the H/W */ | |
1694 | ha->instance = num_hosts; | |
1695 | ||
1696 | init_MUTEX(&ha->mbx_cmd_sem); | |
2c3dfe3f | 1697 | init_MUTEX(&ha->vport_sem); |
1da177e4 LT |
1698 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); |
1699 | ||
1700 | INIT_LIST_HEAD(&ha->list); | |
1701 | INIT_LIST_HEAD(&ha->fcports); | |
2c3dfe3f SJ |
1702 | INIT_LIST_HEAD(&ha->vp_list); |
1703 | ||
1704 | set_bit(0, (unsigned long *) ha->vp_idx_map); | |
1da177e4 | 1705 | |
1da177e4 LT |
1706 | qla2x00_config_dma_addressing(ha); |
1707 | if (qla2x00_mem_alloc(ha)) { | |
1708 | qla_printk(KERN_WARNING, ha, | |
1709 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1710 | ||
a1541d5a AV |
1711 | ret = -ENOMEM; |
1712 | goto probe_failed; | |
1da177e4 LT |
1713 | } |
1714 | ||
765140bf | 1715 | if (qla2x00_initialize_adapter(ha)) { |
1da177e4 LT |
1716 | qla_printk(KERN_WARNING, ha, |
1717 | "Failed to initialize adapter\n"); | |
1718 | ||
1719 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1720 | "Adapter flags %x.\n", | |
1721 | ha->host_no, ha->device_flags)); | |
1722 | ||
a1541d5a | 1723 | ret = -ENODEV; |
1da177e4 LT |
1724 | goto probe_failed; |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * Startup the kernel thread for this host adapter | |
1729 | */ | |
39a11240 CH |
1730 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
1731 | "%s_dpc", ha->host_str); | |
1732 | if (IS_ERR(ha->dpc_thread)) { | |
1da177e4 LT |
1733 | qla_printk(KERN_WARNING, ha, |
1734 | "Unable to start DPC thread!\n"); | |
39a11240 | 1735 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1736 | goto probe_failed; |
1737 | } | |
1da177e4 | 1738 | |
a1541d5a AV |
1739 | host->this_id = 255; |
1740 | host->cmd_per_lun = 3; | |
1741 | host->unique_id = ha->instance; | |
1742 | host->max_cmd_len = MAX_CMDSZ; | |
75bc4190 | 1743 | host->max_channel = MAX_BUSES - 1; |
a1541d5a AV |
1744 | host->max_lun = MAX_LUNS; |
1745 | host->transportt = qla2xxx_transport_template; | |
1746 | ||
a8488abe AV |
1747 | ret = qla2x00_request_irqs(ha); |
1748 | if (ret) | |
1da177e4 | 1749 | goto probe_failed; |
1da177e4 LT |
1750 | |
1751 | /* Initialized the timer */ | |
1752 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); | |
1753 | ||
1754 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
1755 | ha->host_no, ha)); | |
1756 | ||
fd34f556 | 1757 | ha->isp_ops->disable_intrs(ha); |
1da177e4 | 1758 | |
1da177e4 | 1759 | spin_lock_irqsave(&ha->hardware_lock, flags); |
fca29703 | 1760 | reg = ha->iobase; |
e428924c | 1761 | if (IS_FWI2_CAPABLE(ha)) { |
fca29703 AV |
1762 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
1763 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1764 | } else { | |
1765 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1766 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1767 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
1768 | ||
1769 | /* Enable proper parity */ | |
1770 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
1771 | if (IS_QLA2300(ha)) | |
1772 | /* SRAM parity */ | |
1773 | WRT_REG_WORD(®->isp.hccr, | |
1774 | (HCCR_ENABLE_PARITY + 0x1)); | |
1775 | else | |
1776 | /* SRAM, Instruction RAM and GP RAM parity */ | |
1777 | WRT_REG_WORD(®->isp.hccr, | |
1778 | (HCCR_ENABLE_PARITY + 0x7)); | |
1779 | } | |
1da177e4 LT |
1780 | } |
1781 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1782 | ||
fd34f556 | 1783 | ha->isp_ops->enable_intrs(ha); |
1da177e4 | 1784 | |
a1541d5a | 1785 | pci_set_drvdata(pdev, ha); |
d19044c3 | 1786 | |
1da177e4 | 1787 | ha->flags.init_done = 1; |
d19044c3 AV |
1788 | ha->flags.online = 1; |
1789 | ||
1da177e4 LT |
1790 | num_hosts++; |
1791 | ||
a1541d5a AV |
1792 | ret = scsi_add_host(host, &pdev->dev); |
1793 | if (ret) | |
1794 | goto probe_failed; | |
1795 | ||
1e99e33a AV |
1796 | scsi_scan_host(host); |
1797 | ||
a1541d5a AV |
1798 | qla2x00_alloc_sysfs_attr(ha); |
1799 | ||
1800 | qla2x00_init_host_attr(ha); | |
1801 | ||
1da177e4 LT |
1802 | qla_printk(KERN_INFO, ha, "\n" |
1803 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1804 | " QLogic %s - %s\n" | |
5433383e AV |
1805 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1806 | qla2x00_version_str, ha->model_number, | |
1807 | ha->model_desc ? ha->model_desc: "", pdev->device, | |
fd34f556 | 1808 | ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev), |
5433383e | 1809 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, |
fd34f556 | 1810 | ha->isp_ops->fw_version_str(ha, fw_str)); |
1da177e4 | 1811 | |
1da177e4 LT |
1812 | return 0; |
1813 | ||
1814 | probe_failed: | |
1815 | qla2x00_free_device(ha); | |
1816 | ||
1817 | scsi_host_put(host); | |
1818 | ||
1819 | probe_disable_device: | |
1820 | pci_disable_device(pdev); | |
1821 | ||
a1541d5a AV |
1822 | probe_out: |
1823 | return ret; | |
1da177e4 | 1824 | } |
1da177e4 | 1825 | |
7ee61397 AV |
1826 | static void __devexit |
1827 | qla2x00_remove_one(struct pci_dev *pdev) | |
1da177e4 LT |
1828 | { |
1829 | scsi_qla_host_t *ha; | |
1830 | ||
1831 | ha = pci_get_drvdata(pdev); | |
1832 | ||
8482e118 | 1833 | qla2x00_free_sysfs_attr(ha); |
1da177e4 | 1834 | |
bdf79621 | 1835 | fc_remove_host(ha->host); |
1836 | ||
1da177e4 LT |
1837 | scsi_remove_host(ha->host); |
1838 | ||
1839 | qla2x00_free_device(ha); | |
1840 | ||
1841 | scsi_host_put(ha->host); | |
1842 | ||
665db93b | 1843 | pci_disable_device(pdev); |
1da177e4 LT |
1844 | pci_set_drvdata(pdev, NULL); |
1845 | } | |
1da177e4 LT |
1846 | |
1847 | static void | |
1848 | qla2x00_free_device(scsi_qla_host_t *ha) | |
1849 | { | |
1da177e4 LT |
1850 | /* Disable timer */ |
1851 | if (ha->timer_active) | |
1852 | qla2x00_stop_timer(ha); | |
1853 | ||
1854 | /* Kill the kernel thread for this host */ | |
39a11240 CH |
1855 | if (ha->dpc_thread) { |
1856 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1857 | |
39a11240 CH |
1858 | /* |
1859 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1860 | * so we need to zero it out. | |
1861 | */ | |
1862 | ha->dpc_thread = NULL; | |
1863 | kthread_stop(t); | |
1da177e4 LT |
1864 | } |
1865 | ||
a7a167bf AV |
1866 | if (ha->eft) |
1867 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); | |
1868 | ||
18c6c127 AV |
1869 | ha->flags.online = 0; |
1870 | ||
f6ef3b18 | 1871 | /* Stop currently executing firmware. */ |
18c6c127 | 1872 | qla2x00_try_to_stop_firmware(ha); |
1da177e4 | 1873 | |
f6ef3b18 AV |
1874 | /* turn-off interrupts on the card */ |
1875 | if (ha->interrupts_on) | |
fd34f556 | 1876 | ha->isp_ops->disable_intrs(ha); |
f6ef3b18 AV |
1877 | |
1878 | qla2x00_mem_free(ha); | |
1da177e4 | 1879 | |
a8488abe | 1880 | qla2x00_free_irqs(ha); |
1da177e4 LT |
1881 | |
1882 | /* release io space registers */ | |
1883 | if (ha->iobase) | |
1884 | iounmap(ha->iobase); | |
285d0321 | 1885 | pci_release_selected_regions(ha->pdev, ha->bars); |
1da177e4 LT |
1886 | } |
1887 | ||
d97994dc | 1888 | static inline void |
1889 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, | |
1890 | int defer) | |
1891 | { | |
1892 | unsigned long flags; | |
1893 | struct fc_rport *rport; | |
1894 | ||
1895 | if (!fcport->rport) | |
1896 | return; | |
1897 | ||
1898 | rport = fcport->rport; | |
1899 | if (defer) { | |
1900 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1901 | fcport->drport = rport; | |
1902 | fcport->rport = NULL; | |
387f96b4 | 1903 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc | 1904 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1905 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); | |
1906 | } else { | |
1907 | spin_lock_irqsave(&fcport->rport_lock, flags); | |
1908 | fcport->rport = NULL; | |
387f96b4 | 1909 | *(fc_port_t **)rport->dd_data = NULL; |
d97994dc | 1910 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
1911 | fc_remote_port_delete(rport); | |
1912 | } | |
1913 | } | |
1914 | ||
1da177e4 LT |
1915 | /* |
1916 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1917 | * | |
1918 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1919 | * | |
1920 | * Return: None. | |
1921 | * | |
1922 | * Context: | |
1923 | */ | |
1924 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, | |
d97994dc | 1925 | int do_login, int defer) |
1da177e4 | 1926 | { |
2c3dfe3f SJ |
1927 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
1928 | ha->vp_idx == fcport->vp_idx) | |
d97994dc | 1929 | qla2x00_schedule_rport_del(ha, fcport, defer); |
19a7b4ae | 1930 | |
fa2a1ce5 | 1931 | /* |
1da177e4 LT |
1932 | * We may need to retry the login, so don't change the state of the |
1933 | * port but do the retries. | |
1934 | */ | |
1935 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1936 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1937 | ||
1938 | if (!do_login) | |
1939 | return; | |
1940 | ||
1941 | if (fcport->login_retry == 0) { | |
1942 | fcport->login_retry = ha->login_retry_count; | |
1943 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
1944 | ||
1945 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1946 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1947 | "id = 0x%04x retry cnt=%d\n", | |
1948 | ha->host_no, | |
1949 | fcport->port_name[0], | |
1950 | fcport->port_name[1], | |
1951 | fcport->port_name[2], | |
1952 | fcport->port_name[3], | |
1953 | fcport->port_name[4], | |
1954 | fcport->port_name[5], | |
1955 | fcport->port_name[6], | |
1956 | fcport->port_name[7], | |
1957 | fcport->loop_id, | |
1958 | fcport->login_retry)); | |
1959 | } | |
1960 | } | |
1961 | ||
1962 | /* | |
1963 | * qla2x00_mark_all_devices_lost | |
1964 | * Updates fcport state when device goes offline. | |
1965 | * | |
1966 | * Input: | |
1967 | * ha = adapter block pointer. | |
1968 | * fcport = port structure pointer. | |
1969 | * | |
1970 | * Return: | |
1971 | * None. | |
1972 | * | |
1973 | * Context: | |
1974 | */ | |
1975 | void | |
d97994dc | 1976 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
1da177e4 LT |
1977 | { |
1978 | fc_port_t *fcport; | |
2c3dfe3f | 1979 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 | 1980 | |
2c3dfe3f SJ |
1981 | list_for_each_entry(fcport, &pha->fcports, list) { |
1982 | if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx) | |
1da177e4 | 1983 | continue; |
1da177e4 LT |
1984 | /* |
1985 | * No point in marking the device as lost, if the device is | |
1986 | * already DEAD. | |
1987 | */ | |
1988 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1989 | continue; | |
2c3dfe3f SJ |
1990 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
1991 | if (defer) | |
1992 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1993 | else if (ha->vp_idx == fcport->vp_idx) | |
1994 | qla2x00_schedule_rport_del(ha, fcport, defer); | |
1995 | } | |
1da177e4 LT |
1996 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
1997 | } | |
d97994dc | 1998 | |
39a11240 CH |
1999 | if (defer) |
2000 | qla2xxx_wake_dpc(ha); | |
1da177e4 LT |
2001 | } |
2002 | ||
2003 | /* | |
2004 | * qla2x00_mem_alloc | |
2005 | * Allocates adapter memory. | |
2006 | * | |
2007 | * Returns: | |
2008 | * 0 = success. | |
2009 | * 1 = failure. | |
2010 | */ | |
2c3dfe3f | 2011 | uint8_t |
1da177e4 LT |
2012 | qla2x00_mem_alloc(scsi_qla_host_t *ha) |
2013 | { | |
2014 | char name[16]; | |
2015 | uint8_t status = 1; | |
2016 | int retry= 10; | |
2017 | ||
2018 | do { | |
2019 | /* | |
2020 | * This will loop only once if everything goes well, else some | |
2021 | * number of retries will be performed to get around a kernel | |
2022 | * bug where available mem is not allocated until after a | |
2023 | * little delay and a retry. | |
2024 | */ | |
2025 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
2026 | (ha->request_q_length + 1) * sizeof(request_t), | |
2027 | &ha->request_dma, GFP_KERNEL); | |
2028 | if (ha->request_ring == NULL) { | |
2029 | qla_printk(KERN_WARNING, ha, | |
2030 | "Memory Allocation failed - request_ring\n"); | |
2031 | ||
2032 | qla2x00_mem_free(ha); | |
2033 | msleep(100); | |
2034 | ||
2035 | continue; | |
2036 | } | |
2037 | ||
2038 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, | |
2039 | (ha->response_q_length + 1) * sizeof(response_t), | |
2040 | &ha->response_dma, GFP_KERNEL); | |
2041 | if (ha->response_ring == NULL) { | |
2042 | qla_printk(KERN_WARNING, ha, | |
2043 | "Memory Allocation failed - response_ring\n"); | |
2044 | ||
2045 | qla2x00_mem_free(ha); | |
2046 | msleep(100); | |
2047 | ||
2048 | continue; | |
2049 | } | |
2050 | ||
2051 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, | |
2052 | &ha->gid_list_dma, GFP_KERNEL); | |
2053 | if (ha->gid_list == NULL) { | |
2054 | qla_printk(KERN_WARNING, ha, | |
2055 | "Memory Allocation failed - gid_list\n"); | |
2056 | ||
2057 | qla2x00_mem_free(ha); | |
2058 | msleep(100); | |
2059 | ||
2060 | continue; | |
2061 | } | |
2062 | ||
2c3dfe3f SJ |
2063 | /* get consistent memory allocated for init control block */ |
2064 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, | |
2065 | ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL); | |
2066 | if (ha->init_cb == NULL) { | |
1da177e4 | 2067 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 2068 | "Memory Allocation failed - init_cb\n"); |
1da177e4 LT |
2069 | |
2070 | qla2x00_mem_free(ha); | |
2071 | msleep(100); | |
2072 | ||
2073 | continue; | |
2074 | } | |
2c3dfe3f | 2075 | memset(ha->init_cb, 0, ha->init_cb_size); |
1da177e4 | 2076 | |
2c3dfe3f SJ |
2077 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
2078 | ha->host_no); | |
2079 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
2080 | DMA_POOL_SIZE, 8, 0); | |
2081 | if (ha->s_dma_pool == NULL) { | |
1da177e4 | 2082 | qla_printk(KERN_WARNING, ha, |
2c3dfe3f | 2083 | "Memory Allocation failed - s_dma_pool\n"); |
1da177e4 LT |
2084 | |
2085 | qla2x00_mem_free(ha); | |
2086 | msleep(100); | |
2087 | ||
2088 | continue; | |
2089 | } | |
1da177e4 | 2090 | |
1da177e4 LT |
2091 | if (qla2x00_allocate_sp_pool(ha)) { |
2092 | qla_printk(KERN_WARNING, ha, | |
2093 | "Memory Allocation failed - " | |
2094 | "qla2x00_allocate_sp_pool()\n"); | |
2095 | ||
2096 | qla2x00_mem_free(ha); | |
2097 | msleep(100); | |
2098 | ||
2099 | continue; | |
2100 | } | |
2101 | ||
2102 | /* Allocate memory for SNS commands */ | |
2103 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
2104 | /* Get consistent memory allocated for SNS commands */ | |
2105 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | |
2106 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, | |
2107 | GFP_KERNEL); | |
2108 | if (ha->sns_cmd == NULL) { | |
2109 | /* error */ | |
2110 | qla_printk(KERN_WARNING, ha, | |
2111 | "Memory Allocation failed - sns_cmd\n"); | |
2112 | ||
2113 | qla2x00_mem_free(ha); | |
2114 | msleep(100); | |
2115 | ||
2116 | continue; | |
2117 | } | |
2118 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); | |
2119 | } else { | |
2120 | /* Get consistent memory allocated for MS IOCB */ | |
2121 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | |
2122 | &ha->ms_iocb_dma); | |
2123 | if (ha->ms_iocb == NULL) { | |
2124 | /* error */ | |
2125 | qla_printk(KERN_WARNING, ha, | |
2126 | "Memory Allocation failed - ms_iocb\n"); | |
2127 | ||
2128 | qla2x00_mem_free(ha); | |
2129 | msleep(100); | |
2130 | ||
2131 | continue; | |
2132 | } | |
2133 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2134 | ||
2135 | /* | |
2136 | * Get consistent memory allocated for CT SNS | |
2137 | * commands | |
2138 | */ | |
2139 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | |
2140 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, | |
2141 | GFP_KERNEL); | |
2142 | if (ha->ct_sns == NULL) { | |
2143 | /* error */ | |
2144 | qla_printk(KERN_WARNING, ha, | |
2145 | "Memory Allocation failed - ct_sns\n"); | |
2146 | ||
2147 | qla2x00_mem_free(ha); | |
2148 | msleep(100); | |
2149 | ||
2150 | continue; | |
2151 | } | |
2152 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); | |
88729e53 | 2153 | |
e428924c | 2154 | if (IS_FWI2_CAPABLE(ha)) { |
88729e53 AV |
2155 | /* |
2156 | * Get consistent memory allocated for SFP | |
2157 | * block. | |
2158 | */ | |
2159 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, | |
2160 | GFP_KERNEL, &ha->sfp_data_dma); | |
2161 | if (ha->sfp_data == NULL) { | |
2162 | qla_printk(KERN_WARNING, ha, | |
2163 | "Memory Allocation failed - " | |
2164 | "sfp_data\n"); | |
2165 | ||
2166 | qla2x00_mem_free(ha); | |
2167 | msleep(100); | |
2168 | ||
2169 | continue; | |
2170 | } | |
2171 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); | |
2172 | } | |
1da177e4 LT |
2173 | } |
2174 | ||
53772a2c SJ |
2175 | /* Get memory for cached NVRAM */ |
2176 | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); | |
2177 | if (ha->nvram == NULL) { | |
2178 | /* error */ | |
2179 | qla_printk(KERN_WARNING, ha, | |
2180 | "Memory Allocation failed - nvram cache\n"); | |
2181 | ||
2182 | qla2x00_mem_free(ha); | |
2183 | msleep(100); | |
2184 | ||
2185 | continue; | |
2186 | } | |
2187 | ||
1da177e4 LT |
2188 | /* Done all allocations without any error. */ |
2189 | status = 0; | |
2190 | ||
2191 | } while (retry-- && status != 0); | |
2192 | ||
2193 | if (status) { | |
2194 | printk(KERN_WARNING | |
2195 | "%s(): **** FAILED ****\n", __func__); | |
2196 | } | |
2197 | ||
2198 | return(status); | |
2199 | } | |
2200 | ||
2201 | /* | |
2202 | * qla2x00_mem_free | |
2203 | * Frees all adapter allocated memory. | |
2204 | * | |
2205 | * Input: | |
2206 | * ha = adapter block pointer. | |
2207 | */ | |
2c3dfe3f | 2208 | void |
1da177e4 LT |
2209 | qla2x00_mem_free(scsi_qla_host_t *ha) |
2210 | { | |
1da177e4 LT |
2211 | struct list_head *fcpl, *fcptemp; |
2212 | fc_port_t *fcport; | |
1da177e4 LT |
2213 | |
2214 | if (ha == NULL) { | |
2215 | /* error */ | |
2216 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); | |
2217 | return; | |
2218 | } | |
2219 | ||
1da177e4 LT |
2220 | /* free sp pool */ |
2221 | qla2x00_free_sp_pool(ha); | |
2222 | ||
a7a167bf AV |
2223 | if (ha->fw_dump) { |
2224 | if (ha->eft) | |
2225 | dma_free_coherent(&ha->pdev->dev, | |
2226 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); | |
2227 | vfree(ha->fw_dump); | |
2228 | } | |
2229 | ||
1da177e4 LT |
2230 | if (ha->sns_cmd) |
2231 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
2232 | ha->sns_cmd, ha->sns_cmd_dma); | |
2233 | ||
2234 | if (ha->ct_sns) | |
2235 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2236 | ha->ct_sns, ha->ct_sns_dma); | |
2237 | ||
88729e53 AV |
2238 | if (ha->sfp_data) |
2239 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2240 | ||
1da177e4 LT |
2241 | if (ha->ms_iocb) |
2242 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2243 | ||
1da177e4 LT |
2244 | if (ha->s_dma_pool) |
2245 | dma_pool_destroy(ha->s_dma_pool); | |
2246 | ||
2c3dfe3f SJ |
2247 | if (ha->init_cb) |
2248 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, | |
2249 | ha->init_cb, ha->init_cb_dma); | |
2250 | ||
1da177e4 LT |
2251 | if (ha->gid_list) |
2252 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
2253 | ha->gid_list_dma); | |
2254 | ||
2255 | if (ha->response_ring) | |
2256 | dma_free_coherent(&ha->pdev->dev, | |
2257 | (ha->response_q_length + 1) * sizeof(response_t), | |
2258 | ha->response_ring, ha->response_dma); | |
2259 | ||
2260 | if (ha->request_ring) | |
2261 | dma_free_coherent(&ha->pdev->dev, | |
2262 | (ha->request_q_length + 1) * sizeof(request_t), | |
2263 | ha->request_ring, ha->request_dma); | |
2264 | ||
a7a167bf AV |
2265 | ha->eft = NULL; |
2266 | ha->eft_dma = 0; | |
1da177e4 LT |
2267 | ha->sns_cmd = NULL; |
2268 | ha->sns_cmd_dma = 0; | |
2269 | ha->ct_sns = NULL; | |
2270 | ha->ct_sns_dma = 0; | |
2271 | ha->ms_iocb = NULL; | |
2272 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2273 | ha->init_cb = NULL; |
2274 | ha->init_cb_dma = 0; | |
2275 | ||
2276 | ha->s_dma_pool = NULL; | |
2277 | ||
1da177e4 LT |
2278 | ha->gid_list = NULL; |
2279 | ha->gid_list_dma = 0; | |
2280 | ||
2281 | ha->response_ring = NULL; | |
2282 | ha->response_dma = 0; | |
2283 | ha->request_ring = NULL; | |
2284 | ha->request_dma = 0; | |
2285 | ||
2286 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { | |
2287 | fcport = list_entry(fcpl, fc_port_t, list); | |
2288 | ||
1da177e4 LT |
2289 | /* fc ports */ |
2290 | list_del_init(&fcport->list); | |
2291 | kfree(fcport); | |
2292 | } | |
2293 | INIT_LIST_HEAD(&ha->fcports); | |
2294 | ||
1da177e4 | 2295 | ha->fw_dump = NULL; |
fca29703 | 2296 | ha->fw_dumped = 0; |
1da177e4 | 2297 | ha->fw_dump_reading = 0; |
854165f4 | 2298 | |
2299 | vfree(ha->optrom_buffer); | |
53772a2c | 2300 | kfree(ha->nvram); |
1da177e4 LT |
2301 | } |
2302 | ||
2303 | /* | |
2304 | * qla2x00_allocate_sp_pool | |
2305 | * This routine is called during initialization to allocate | |
2306 | * memory for local srb_t. | |
2307 | * | |
2308 | * Input: | |
2309 | * ha = adapter block pointer. | |
2310 | * | |
2311 | * Context: | |
2312 | * Kernel context. | |
1da177e4 LT |
2313 | */ |
2314 | static int | |
fa2a1ce5 | 2315 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
1da177e4 LT |
2316 | { |
2317 | int rval; | |
2318 | ||
2319 | rval = QLA_SUCCESS; | |
93d2341c | 2320 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
1da177e4 LT |
2321 | if (ha->srb_mempool == NULL) { |
2322 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); | |
2323 | rval = QLA_FUNCTION_FAILED; | |
2324 | } | |
2325 | return (rval); | |
2326 | } | |
2327 | ||
2328 | /* | |
2329 | * This routine frees all adapter allocated memory. | |
fa2a1ce5 | 2330 | * |
1da177e4 LT |
2331 | */ |
2332 | static void | |
fa2a1ce5 | 2333 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
1da177e4 LT |
2334 | { |
2335 | if (ha->srb_mempool) { | |
2336 | mempool_destroy(ha->srb_mempool); | |
2337 | ha->srb_mempool = NULL; | |
2338 | } | |
2339 | } | |
2340 | ||
2341 | /************************************************************************** | |
2342 | * qla2x00_do_dpc | |
2343 | * This kernel thread is a task that is schedule by the interrupt handler | |
2344 | * to perform the background processing for interrupts. | |
2345 | * | |
2346 | * Notes: | |
2347 | * This task always run in the context of a kernel thread. It | |
2348 | * is kick-off by the driver's detect code and starts up | |
2349 | * up one per adapter. It immediately goes to sleep and waits for | |
2350 | * some fibre event. When either the interrupt handler or | |
2351 | * the timer routine detects a event it will one of the task | |
2352 | * bits then wake us up. | |
2353 | **************************************************************************/ | |
2354 | static int | |
2355 | qla2x00_do_dpc(void *data) | |
2356 | { | |
2c3dfe3f | 2357 | int rval; |
1da177e4 LT |
2358 | scsi_qla_host_t *ha; |
2359 | fc_port_t *fcport; | |
1da177e4 | 2360 | uint8_t status; |
1da177e4 | 2361 | uint16_t next_loopid; |
1da177e4 LT |
2362 | |
2363 | ha = (scsi_qla_host_t *)data; | |
2364 | ||
1da177e4 LT |
2365 | set_user_nice(current, -20); |
2366 | ||
39a11240 | 2367 | while (!kthread_should_stop()) { |
1da177e4 LT |
2368 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2369 | ||
39a11240 CH |
2370 | set_current_state(TASK_INTERRUPTIBLE); |
2371 | schedule(); | |
2372 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2373 | |
2374 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2375 | ||
2376 | /* Initialization not yet finished. Don't do anything yet. */ | |
39a11240 | 2377 | if (!ha->flags.init_done) |
1da177e4 LT |
2378 | continue; |
2379 | ||
2380 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); | |
2381 | ||
2382 | ha->dpc_active = 1; | |
2383 | ||
1da177e4 | 2384 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2385 | ha->dpc_active = 0; |
2386 | continue; | |
2387 | } | |
2388 | ||
2389 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2390 | ||
2391 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2392 | "qla2x00_abort_isp ha = %p\n", | |
2393 | ha->host_no, ha)); | |
2394 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | |
2395 | &ha->dpc_flags))) { | |
2396 | ||
2397 | if (qla2x00_abort_isp(ha)) { | |
2398 | /* failed. retry later */ | |
2399 | set_bit(ISP_ABORT_NEEDED, | |
2400 | &ha->dpc_flags); | |
2401 | } | |
2402 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2403 | } | |
2404 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", | |
2405 | ha->host_no)); | |
2406 | } | |
2407 | ||
d97994dc | 2408 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
2409 | qla2x00_update_fcports(ha); | |
2410 | ||
91ca7b01 AV |
2411 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
2412 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", | |
2413 | ha->host_no)); | |
2414 | qla2x00_loop_reset(ha); | |
2415 | } | |
2416 | ||
1da177e4 LT |
2417 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
2418 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { | |
2419 | ||
2420 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
2421 | ha->host_no)); | |
2422 | ||
2423 | qla2x00_rst_aen(ha); | |
2424 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); | |
2425 | } | |
2426 | ||
2427 | /* Retry each device up to login retry count */ | |
2428 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && | |
2429 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && | |
2430 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2431 | ||
2432 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
2433 | ha->host_no)); | |
2434 | ||
2435 | next_loopid = 0; | |
2436 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1da177e4 LT |
2437 | /* |
2438 | * If the port is not ONLINE then try to login | |
2439 | * to it if we haven't run out of retries. | |
2440 | */ | |
2441 | if (atomic_read(&fcport->state) != FCS_ONLINE && | |
2442 | fcport->login_retry) { | |
2443 | ||
1da177e4 LT |
2444 | if (fcport->flags & FCF_FABRIC_DEVICE) { |
2445 | if (fcport->flags & | |
2446 | FCF_TAPE_PRESENT) | |
fd34f556 | 2447 | ha->isp_ops->fabric_logout( |
1c7c6357 AV |
2448 | ha, fcport->loop_id, |
2449 | fcport->d_id.b.domain, | |
2450 | fcport->d_id.b.area, | |
2451 | fcport->d_id.b.al_pa); | |
1da177e4 LT |
2452 | status = qla2x00_fabric_login( |
2453 | ha, fcport, &next_loopid); | |
2454 | } else | |
2455 | status = | |
2456 | qla2x00_local_device_login( | |
9a52a57c | 2457 | ha, fcport); |
1da177e4 | 2458 | |
63a8651f | 2459 | fcport->login_retry--; |
1da177e4 LT |
2460 | if (status == QLA_SUCCESS) { |
2461 | fcport->old_loop_id = fcport->loop_id; | |
2462 | ||
2463 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", | |
2464 | ha->host_no, fcport->loop_id)); | |
fa2a1ce5 | 2465 | |
052c40c8 | 2466 | qla2x00_update_fcport(ha, |
2467 | fcport); | |
1da177e4 LT |
2468 | } else if (status == 1) { |
2469 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); | |
2470 | /* retry the login again */ | |
2471 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", | |
2472 | ha->host_no, | |
2473 | fcport->login_retry, fcport->loop_id)); | |
2474 | } else { | |
2475 | fcport->login_retry = 0; | |
2476 | } | |
63a8651f RA |
2477 | if (fcport->login_retry == 0) |
2478 | fcport->loop_id = FC_NO_LOOP_ID; | |
1da177e4 LT |
2479 | } |
2480 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2481 | break; | |
2482 | } | |
2483 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
2484 | ha->host_no)); | |
2485 | } | |
2486 | ||
2487 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && | |
2488 | atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2489 | ||
2490 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); | |
2491 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", | |
2492 | ha->host_no)); | |
fa2a1ce5 | 2493 | |
1da177e4 LT |
2494 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
2495 | ||
2496 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", | |
2497 | ha->host_no)); | |
2498 | } | |
2499 | ||
2500 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
2501 | ||
2502 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
2503 | ha->host_no)); | |
2504 | ||
2505 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
2506 | &ha->dpc_flags))) { | |
2507 | ||
2c3dfe3f | 2508 | rval = qla2x00_loop_resync(ha); |
1da177e4 LT |
2509 | |
2510 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); | |
2511 | } | |
2512 | ||
2513 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
2514 | ha->host_no)); | |
2515 | } | |
2516 | ||
1da177e4 LT |
2517 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
2518 | ||
2519 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", | |
2520 | ha->host_no)); | |
2521 | ||
2522 | qla2x00_rescan_fcports(ha); | |
2523 | ||
2524 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." | |
2525 | "end.\n", | |
2526 | ha->host_no)); | |
2527 | } | |
2528 | ||
1da177e4 | 2529 | if (!ha->interrupts_on) |
fd34f556 | 2530 | ha->isp_ops->enable_intrs(ha); |
1da177e4 | 2531 | |
f6df144c | 2532 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
fd34f556 | 2533 | ha->isp_ops->beacon_blink(ha); |
f6df144c | 2534 | |
2c3dfe3f SJ |
2535 | qla2x00_do_dpc_all_vps(ha); |
2536 | ||
1da177e4 LT |
2537 | ha->dpc_active = 0; |
2538 | } /* End of while(1) */ | |
2539 | ||
2540 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); | |
2541 | ||
2542 | /* | |
2543 | * Make sure that nobody tries to wake us up again. | |
2544 | */ | |
1da177e4 LT |
2545 | ha->dpc_active = 0; |
2546 | ||
39a11240 CH |
2547 | return 0; |
2548 | } | |
2549 | ||
2550 | void | |
2551 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) | |
2552 | { | |
2553 | if (ha->dpc_thread) | |
2554 | wake_up_process(ha->dpc_thread); | |
1da177e4 LT |
2555 | } |
2556 | ||
1da177e4 LT |
2557 | /* |
2558 | * qla2x00_rst_aen | |
2559 | * Processes asynchronous reset. | |
2560 | * | |
2561 | * Input: | |
2562 | * ha = adapter block pointer. | |
2563 | */ | |
2564 | static void | |
fa2a1ce5 | 2565 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
1da177e4 LT |
2566 | { |
2567 | if (ha->flags.online && !ha->flags.reset_active && | |
2568 | !atomic_read(&ha->loop_down_timer) && | |
2569 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
2570 | do { | |
2571 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2572 | ||
2573 | /* | |
2574 | * Issue marker command only when we are going to start | |
2575 | * the I/O. | |
2576 | */ | |
2577 | ha->marker_needed = 1; | |
2578 | } while (!atomic_read(&ha->loop_down_timer) && | |
2579 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); | |
2580 | } | |
2581 | } | |
2582 | ||
f4f051eb | 2583 | static void |
2584 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) | |
2585 | { | |
2586 | struct scsi_cmnd *cmd = sp->cmd; | |
2587 | ||
2588 | if (sp->flags & SRB_DMA_VALID) { | |
385d70b4 | 2589 | scsi_dma_unmap(cmd); |
f4f051eb | 2590 | sp->flags &= ~SRB_DMA_VALID; |
2591 | } | |
fca29703 | 2592 | CMD_SP(cmd) = NULL; |
f4f051eb | 2593 | } |
2594 | ||
2595 | void | |
2596 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) | |
2597 | { | |
2598 | struct scsi_cmnd *cmd = sp->cmd; | |
2599 | ||
2600 | qla2x00_sp_free_dma(ha, sp); | |
2601 | ||
f4f051eb | 2602 | mempool_free(sp, ha->srb_mempool); |
2603 | ||
2604 | cmd->scsi_done(cmd); | |
2605 | } | |
bdf79621 | 2606 | |
1da177e4 LT |
2607 | /************************************************************************** |
2608 | * qla2x00_timer | |
2609 | * | |
2610 | * Description: | |
2611 | * One second timer | |
2612 | * | |
2613 | * Context: Interrupt | |
2614 | ***************************************************************************/ | |
2c3dfe3f | 2615 | void |
1da177e4 LT |
2616 | qla2x00_timer(scsi_qla_host_t *ha) |
2617 | { | |
1da177e4 LT |
2618 | unsigned long cpu_flags = 0; |
2619 | fc_port_t *fcport; | |
1da177e4 LT |
2620 | int start_dpc = 0; |
2621 | int index; | |
2622 | srb_t *sp; | |
f4f051eb | 2623 | int t; |
2c3dfe3f | 2624 | scsi_qla_host_t *pha = to_qla_parent(ha); |
1da177e4 LT |
2625 | |
2626 | /* | |
2627 | * Ports - Port down timer. | |
2628 | * | |
2629 | * Whenever, a port is in the LOST state we start decrementing its port | |
2630 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2631 | * the port it marked DEAD. |
1da177e4 LT |
2632 | */ |
2633 | t = 0; | |
2634 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2635 | if (fcport->port_type != FCT_TARGET) | |
2636 | continue; | |
2637 | ||
2638 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2639 | ||
2640 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2641 | continue; | |
2642 | ||
fa2a1ce5 | 2643 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2644 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2645 | |
1da177e4 | 2646 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2647 | "%d remaining\n", |
1da177e4 LT |
2648 | ha->host_no, |
2649 | t, atomic_read(&fcport->port_down_timer))); | |
2650 | } | |
2651 | t++; | |
2652 | } /* End of for fcport */ | |
2653 | ||
1da177e4 LT |
2654 | |
2655 | /* Loop down handler. */ | |
2656 | if (atomic_read(&ha->loop_down_timer) > 0 && | |
2657 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { | |
2658 | ||
2659 | if (atomic_read(&ha->loop_down_timer) == | |
2660 | ha->loop_down_abort_time) { | |
2661 | ||
2662 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2663 | "queues before time expire\n", | |
2664 | ha->host_no)); | |
2665 | ||
2666 | if (!IS_QLA2100(ha) && ha->link_down_timeout) | |
fa2a1ce5 | 2667 | atomic_set(&ha->loop_state, LOOP_DEAD); |
1da177e4 LT |
2668 | |
2669 | /* Schedule an ISP abort to return any tape commands. */ | |
2c3dfe3f SJ |
2670 | /* NPIV - scan physical port only */ |
2671 | if (!ha->parent) { | |
2672 | spin_lock_irqsave(&ha->hardware_lock, | |
2673 | cpu_flags); | |
2674 | for (index = 1; | |
2675 | index < MAX_OUTSTANDING_COMMANDS; | |
2676 | index++) { | |
2677 | fc_port_t *sfcp; | |
2678 | ||
2679 | sp = ha->outstanding_cmds[index]; | |
2680 | if (!sp) | |
2681 | continue; | |
2682 | sfcp = sp->fcport; | |
2683 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
2684 | continue; | |
bdf79621 | 2685 | |
2c3dfe3f SJ |
2686 | set_bit(ISP_ABORT_NEEDED, |
2687 | &ha->dpc_flags); | |
2688 | break; | |
2689 | } | |
2690 | spin_unlock_irqrestore(&ha->hardware_lock, | |
2691 | cpu_flags); | |
1da177e4 | 2692 | } |
1da177e4 LT |
2693 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
2694 | start_dpc++; | |
2695 | } | |
2696 | ||
2697 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
2698 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { | |
2699 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " | |
2700 | "restarting queues.\n", | |
2701 | ha->host_no)); | |
2702 | ||
2703 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); | |
2704 | start_dpc++; | |
2705 | ||
2706 | if (!(ha->device_flags & DFLG_NO_CABLE)) { | |
2707 | DEBUG(printk("scsi(%ld): Loop down - " | |
2708 | "aborting ISP.\n", | |
2709 | ha->host_no)); | |
2710 | qla_printk(KERN_WARNING, ha, | |
2711 | "Loop down - aborting ISP.\n"); | |
2712 | ||
2713 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2714 | } | |
2715 | } | |
fca29703 | 2716 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
1da177e4 LT |
2717 | ha->host_no, |
2718 | atomic_read(&ha->loop_down_timer))); | |
2719 | } | |
2720 | ||
f6df144c | 2721 | /* Check if beacon LED needs to be blinked */ |
2722 | if (ha->beacon_blink_led == 1) { | |
2723 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); | |
2724 | start_dpc++; | |
2725 | } | |
2726 | ||
1da177e4 LT |
2727 | /* Schedule the DPC routine if needed */ |
2728 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || | |
2729 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || | |
91ca7b01 | 2730 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
d97994dc | 2731 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
1da177e4 LT |
2732 | start_dpc || |
2733 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || | |
f4f051eb | 2734 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
f6df144c | 2735 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
2c3dfe3f | 2736 | test_bit(VP_DPC_NEEDED, &ha->dpc_flags) || |
39a11240 | 2737 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
2c3dfe3f | 2738 | qla2xxx_wake_dpc(pha); |
1da177e4 LT |
2739 | |
2740 | qla2x00_restart_timer(ha, WATCH_INTERVAL); | |
2741 | } | |
2742 | ||
1da177e4 LT |
2743 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
2744 | int | |
2745 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) | |
2746 | { | |
fe74c71f AV |
2747 | const unsigned int step = 100; /* msecs */ |
2748 | unsigned int iterations = jiffies_to_msecs(timeout)/100; | |
1da177e4 LT |
2749 | |
2750 | do { | |
2751 | if (!down_trylock(sema)) | |
2752 | return 0; | |
fe74c71f | 2753 | if (msleep_interruptible(step)) |
1da177e4 | 2754 | break; |
88f5774b | 2755 | } while (--iterations > 0); |
1da177e4 LT |
2756 | |
2757 | return -ETIMEDOUT; | |
2758 | } | |
2759 | ||
5433383e AV |
2760 | /* Firmware interface routines. */ |
2761 | ||
c3a2f0df | 2762 | #define FW_BLOBS 6 |
5433383e AV |
2763 | #define FW_ISP21XX 0 |
2764 | #define FW_ISP22XX 1 | |
2765 | #define FW_ISP2300 2 | |
2766 | #define FW_ISP2322 3 | |
48c02fde | 2767 | #define FW_ISP24XX 4 |
c3a2f0df | 2768 | #define FW_ISP25XX 5 |
5433383e | 2769 | |
bb8ee499 AV |
2770 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
2771 | #define FW_FILE_ISP22XX "ql2200_fw.bin" | |
2772 | #define FW_FILE_ISP2300 "ql2300_fw.bin" | |
2773 | #define FW_FILE_ISP2322 "ql2322_fw.bin" | |
2774 | #define FW_FILE_ISP24XX "ql2400_fw.bin" | |
c3a2f0df | 2775 | #define FW_FILE_ISP25XX "ql2500_fw.bin" |
bb8ee499 | 2776 | |
5433383e AV |
2777 | static DECLARE_MUTEX(qla_fw_lock); |
2778 | ||
2779 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
bb8ee499 AV |
2780 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
2781 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | |
2782 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | |
2783 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2784 | { .name = FW_FILE_ISP24XX, }, | |
c3a2f0df | 2785 | { .name = FW_FILE_ISP25XX, }, |
5433383e AV |
2786 | }; |
2787 | ||
2788 | struct fw_blob * | |
2789 | qla2x00_request_firmware(scsi_qla_host_t *ha) | |
2790 | { | |
2791 | struct fw_blob *blob; | |
2792 | ||
2793 | blob = NULL; | |
2794 | if (IS_QLA2100(ha)) { | |
2795 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2796 | } else if (IS_QLA2200(ha)) { | |
2797 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2798 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2799 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2800 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2801 | blob = &qla_fw_blobs[FW_ISP2322]; |
044cc6c8 | 2802 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
5433383e | 2803 | blob = &qla_fw_blobs[FW_ISP24XX]; |
c3a2f0df AV |
2804 | } else if (IS_QLA25XX(ha)) { |
2805 | blob = &qla_fw_blobs[FW_ISP25XX]; | |
5433383e AV |
2806 | } |
2807 | ||
2808 | down(&qla_fw_lock); | |
2809 | if (blob->fw) | |
2810 | goto out; | |
2811 | ||
2812 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2813 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
2814 | "(%s).\n", ha->host_no, blob->name)); | |
2815 | blob->fw = NULL; | |
2816 | blob = NULL; | |
2817 | goto out; | |
2818 | } | |
2819 | ||
2820 | out: | |
2821 | up(&qla_fw_lock); | |
2822 | return blob; | |
2823 | } | |
2824 | ||
2825 | static void | |
2826 | qla2x00_release_firmware(void) | |
2827 | { | |
2828 | int idx; | |
2829 | ||
2830 | down(&qla_fw_lock); | |
2831 | for (idx = 0; idx < FW_BLOBS; idx++) | |
2832 | if (qla_fw_blobs[idx].fw) | |
2833 | release_firmware(qla_fw_blobs[idx].fw); | |
2834 | up(&qla_fw_lock); | |
2835 | } | |
2836 | ||
14e660e6 SJ |
2837 | static pci_ers_result_t |
2838 | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
2839 | { | |
2840 | switch (state) { | |
2841 | case pci_channel_io_normal: | |
2842 | return PCI_ERS_RESULT_CAN_RECOVER; | |
2843 | case pci_channel_io_frozen: | |
2844 | pci_disable_device(pdev); | |
2845 | return PCI_ERS_RESULT_NEED_RESET; | |
2846 | case pci_channel_io_perm_failure: | |
2847 | qla2x00_remove_one(pdev); | |
2848 | return PCI_ERS_RESULT_DISCONNECT; | |
2849 | } | |
2850 | return PCI_ERS_RESULT_NEED_RESET; | |
2851 | } | |
2852 | ||
2853 | static pci_ers_result_t | |
2854 | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
2855 | { | |
2856 | int risc_paused = 0; | |
2857 | uint32_t stat; | |
2858 | unsigned long flags; | |
2859 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2860 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
2861 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; | |
2862 | ||
2863 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2864 | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ | |
2865 | stat = RD_REG_DWORD(®->hccr); | |
2866 | if (stat & HCCR_RISC_PAUSE) | |
2867 | risc_paused = 1; | |
2868 | } else if (IS_QLA23XX(ha)) { | |
2869 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
2870 | if (stat & HSR_RISC_PAUSED) | |
2871 | risc_paused = 1; | |
2872 | } else if (IS_FWI2_CAPABLE(ha)) { | |
2873 | stat = RD_REG_DWORD(®24->host_status); | |
2874 | if (stat & HSRX_RISC_PAUSED) | |
2875 | risc_paused = 1; | |
2876 | } | |
2877 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2878 | ||
2879 | if (risc_paused) { | |
2880 | qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " | |
2881 | "Dumping firmware!\n"); | |
2882 | ha->isp_ops->fw_dump(ha, 0); | |
2883 | ||
2884 | return PCI_ERS_RESULT_NEED_RESET; | |
2885 | } else | |
2886 | return PCI_ERS_RESULT_RECOVERED; | |
2887 | } | |
2888 | ||
2889 | static pci_ers_result_t | |
2890 | qla2xxx_pci_slot_reset(struct pci_dev *pdev) | |
2891 | { | |
2892 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
2893 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2894 | ||
285d0321 | 2895 | if (pci_enable_device_bars(pdev, ha->bars)) { |
14e660e6 SJ |
2896 | qla_printk(KERN_WARNING, ha, |
2897 | "Can't re-enable PCI device after reset.\n"); | |
2898 | ||
2899 | return ret; | |
2900 | } | |
2901 | pci_set_master(pdev); | |
2902 | ||
2903 | if (ha->isp_ops->pci_config(ha)) | |
2904 | return ret; | |
2905 | ||
2906 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2907 | if (qla2x00_abort_isp(ha)== QLA_SUCCESS) | |
2908 | ret = PCI_ERS_RESULT_RECOVERED; | |
2909 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); | |
2910 | ||
2911 | return ret; | |
2912 | } | |
2913 | ||
2914 | static void | |
2915 | qla2xxx_pci_resume(struct pci_dev *pdev) | |
2916 | { | |
2917 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); | |
2918 | int ret; | |
2919 | ||
2920 | ret = qla2x00_wait_for_hba_online(ha); | |
2921 | if (ret != QLA_SUCCESS) { | |
2922 | qla_printk(KERN_ERR, ha, | |
2923 | "the device failed to resume I/O " | |
2924 | "from slot/link_reset"); | |
2925 | } | |
2926 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
2927 | } | |
2928 | ||
2929 | static struct pci_error_handlers qla2xxx_err_handler = { | |
2930 | .error_detected = qla2xxx_pci_error_detected, | |
2931 | .mmio_enabled = qla2xxx_pci_mmio_enabled, | |
2932 | .slot_reset = qla2xxx_pci_slot_reset, | |
2933 | .resume = qla2xxx_pci_resume, | |
2934 | }; | |
2935 | ||
5433383e | 2936 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2937 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2938 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2939 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2940 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2941 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2942 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2943 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2944 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2945 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
2946 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | |
2947 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
c3a2f0df | 2948 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
5433383e AV |
2949 | { 0 }, |
2950 | }; | |
2951 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2952 | ||
fca29703 | 2953 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2954 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2955 | .driver = { |
2956 | .owner = THIS_MODULE, | |
2957 | }, | |
fca29703 | 2958 | .id_table = qla2xxx_pci_tbl, |
7ee61397 AV |
2959 | .probe = qla2x00_probe_one, |
2960 | .remove = __devexit_p(qla2x00_remove_one), | |
14e660e6 | 2961 | .err_handler = &qla2xxx_err_handler, |
fca29703 AV |
2962 | }; |
2963 | ||
1da177e4 LT |
2964 | /** |
2965 | * qla2x00_module_init - Module initialization. | |
2966 | **/ | |
2967 | static int __init | |
2968 | qla2x00_module_init(void) | |
2969 | { | |
fca29703 AV |
2970 | int ret = 0; |
2971 | ||
1da177e4 | 2972 | /* Allocate cache for SRBs. */ |
354d6b21 | 2973 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
20c2df83 | 2974 | SLAB_HWCACHE_ALIGN, NULL); |
1da177e4 LT |
2975 | if (srb_cachep == NULL) { |
2976 | printk(KERN_ERR | |
2977 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2978 | return -ENOMEM; | |
2979 | } | |
2980 | ||
2981 | /* Derive version string. */ | |
2982 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
11010fec | 2983 | if (ql2xextended_error_logging) |
0181944f AV |
2984 | strcat(qla2x00_version_str, "-debug"); |
2985 | ||
1c97a12a AV |
2986 | qla2xxx_transport_template = |
2987 | fc_attach_transport(&qla2xxx_transport_functions); | |
2c3dfe3f SJ |
2988 | if (!qla2xxx_transport_template) { |
2989 | kmem_cache_destroy(srb_cachep); | |
1da177e4 | 2990 | return -ENODEV; |
2c3dfe3f SJ |
2991 | } |
2992 | qla2xxx_transport_vport_template = | |
2993 | fc_attach_transport(&qla2xxx_transport_vport_functions); | |
2994 | if (!qla2xxx_transport_vport_template) { | |
2995 | kmem_cache_destroy(srb_cachep); | |
2996 | fc_release_transport(qla2xxx_transport_template); | |
1da177e4 | 2997 | return -ENODEV; |
2c3dfe3f | 2998 | } |
1da177e4 LT |
2999 | |
3000 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); | |
7ee61397 | 3001 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
3002 | if (ret) { |
3003 | kmem_cache_destroy(srb_cachep); | |
3004 | fc_release_transport(qla2xxx_transport_template); | |
2c3dfe3f | 3005 | fc_release_transport(qla2xxx_transport_vport_template); |
fca29703 AV |
3006 | } |
3007 | return ret; | |
1da177e4 LT |
3008 | } |
3009 | ||
3010 | /** | |
3011 | * qla2x00_module_exit - Module cleanup. | |
3012 | **/ | |
3013 | static void __exit | |
3014 | qla2x00_module_exit(void) | |
3015 | { | |
7ee61397 | 3016 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 3017 | qla2x00_release_firmware(); |
354d6b21 | 3018 | kmem_cache_destroy(srb_cachep); |
1da177e4 | 3019 | fc_release_transport(qla2xxx_transport_template); |
2c3dfe3f | 3020 | fc_release_transport(qla2xxx_transport_vport_template); |
1da177e4 LT |
3021 | } |
3022 | ||
3023 | module_init(qla2x00_module_init); | |
3024 | module_exit(qla2x00_module_exit); | |
3025 | ||
3026 | MODULE_AUTHOR("QLogic Corporation"); | |
3027 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
3028 | MODULE_LICENSE("GPL"); | |
3029 | MODULE_VERSION(QLA2XXX_VERSION); | |
bb8ee499 AV |
3030 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
3031 | MODULE_FIRMWARE(FW_FILE_ISP22XX); | |
3032 | MODULE_FIRMWARE(FW_FILE_ISP2300); | |
3033 | MODULE_FIRMWARE(FW_FILE_ISP2322); | |
3034 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |