Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 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> |
e1e82b6f | 13 | #include <linux/mutex.h> |
1da177e4 LT |
14 | |
15 | #include <scsi/scsi_tcq.h> | |
16 | #include <scsi/scsicam.h> | |
17 | #include <scsi/scsi_transport.h> | |
18 | #include <scsi/scsi_transport_fc.h> | |
19 | ||
20 | /* | |
21 | * Driver version | |
22 | */ | |
23 | char qla2x00_version_str[40]; | |
24 | ||
25 | /* | |
26 | * SRB allocation cache | |
27 | */ | |
e18b890b | 28 | static struct kmem_cache *srb_cachep; |
1da177e4 | 29 | |
1da177e4 LT |
30 | int ql2xlogintimeout = 20; |
31 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); | |
32 | MODULE_PARM_DESC(ql2xlogintimeout, | |
33 | "Login timeout value in seconds."); | |
34 | ||
a7b61842 | 35 | int qlport_down_retry; |
1da177e4 LT |
36 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
37 | MODULE_PARM_DESC(qlport_down_retry, | |
900d9f98 | 38 | "Maximum number of command retries to a port that returns " |
1da177e4 LT |
39 | "a PORT-DOWN status."); |
40 | ||
1da177e4 LT |
41 | int ql2xplogiabsentdevice; |
42 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); | |
43 | MODULE_PARM_DESC(ql2xplogiabsentdevice, | |
44 | "Option to enable PLOGI to devices that are not present after " | |
900d9f98 | 45 | "a Fabric scan. This is needed for several broken switches. " |
1da177e4 LT |
46 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
47 | ||
1da177e4 LT |
48 | int ql2xloginretrycount = 0; |
49 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); | |
50 | MODULE_PARM_DESC(ql2xloginretrycount, | |
51 | "Specify an alternate value for the NVRAM login retry count."); | |
52 | ||
a7a167bf AV |
53 | int ql2xallocfwdump = 1; |
54 | module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); | |
55 | MODULE_PARM_DESC(ql2xallocfwdump, | |
56 | "Option to enable allocation of memory for a firmware dump " | |
57 | "during HBA initialization. Memory allocation requirements " | |
58 | "vary by ISP type. Default is 1 - allocate memory."); | |
59 | ||
11010fec | 60 | int ql2xextended_error_logging; |
27d94035 | 61 | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); |
11010fec | 62 | MODULE_PARM_DESC(ql2xextended_error_logging, |
0181944f AV |
63 | "Option to enable extended error logging, " |
64 | "Default is 0 - no logging. 1 - log errors."); | |
65 | ||
1da177e4 LT |
66 | static void qla2x00_free_device(scsi_qla_host_t *); |
67 | ||
68 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); | |
69 | ||
7e47e5ca | 70 | int ql2xfdmienable=1; |
cca5335c AV |
71 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); |
72 | MODULE_PARM_DESC(ql2xfdmienable, | |
73 | "Enables FDMI registratons " | |
74 | "Default is 0 - no FDMI. 1 - perfom FDMI."); | |
75 | ||
df7baa50 AV |
76 | #define MAX_Q_DEPTH 32 |
77 | static int ql2xmaxqdepth = MAX_Q_DEPTH; | |
78 | module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); | |
79 | MODULE_PARM_DESC(ql2xmaxqdepth, | |
80 | "Maximum queue depth to report for target devices."); | |
81 | ||
82 | int ql2xqfullrampup = 120; | |
83 | module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); | |
84 | MODULE_PARM_DESC(ql2xqfullrampup, | |
85 | "Number of seconds to wait to begin to ramp-up the queue " | |
86 | "depth for a device after a queue-full condition has been " | |
87 | "detected. Default is 120 seconds."); | |
88 | ||
e5896bd5 AV |
89 | int ql2xiidmaenable=1; |
90 | module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); | |
91 | MODULE_PARM_DESC(ql2xiidmaenable, | |
92 | "Enables iIDMA settings " | |
93 | "Default is 1 - perform iIDMA. 0 - no iIDMA."); | |
94 | ||
95 | ||
1da177e4 | 96 | /* |
fa2a1ce5 | 97 | * SCSI host template entry points |
1da177e4 LT |
98 | */ |
99 | static int qla2xxx_slave_configure(struct scsi_device * device); | |
f4f051eb | 100 | static int qla2xxx_slave_alloc(struct scsi_device *); |
1e99e33a AV |
101 | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); |
102 | static void qla2xxx_scan_start(struct Scsi_Host *); | |
f4f051eb | 103 | static void qla2xxx_slave_destroy(struct scsi_device *); |
1da177e4 LT |
104 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
105 | void (*fn)(struct scsi_cmnd *)); | |
fca29703 AV |
106 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
107 | void (*fn)(struct scsi_cmnd *)); | |
1da177e4 LT |
108 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
109 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | |
523ec773 | 110 | static int qla2xxx_eh_target_reset(struct scsi_cmnd *); |
1da177e4 LT |
111 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); |
112 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | |
1da177e4 | 113 | |
ce7e4af7 AV |
114 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
115 | static int qla2x00_change_queue_type(struct scsi_device *, int); | |
116 | ||
a824ebb3 | 117 | static struct scsi_host_template qla2x00_driver_template = { |
1da177e4 | 118 | .module = THIS_MODULE, |
cb63067a | 119 | .name = QLA2XXX_DRIVER_NAME, |
1da177e4 LT |
120 | .queuecommand = qla2x00_queuecommand, |
121 | ||
122 | .eh_abort_handler = qla2xxx_eh_abort, | |
123 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
523ec773 | 124 | .eh_target_reset_handler = qla2xxx_eh_target_reset, |
1da177e4 LT |
125 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
126 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
127 | ||
128 | .slave_configure = qla2xxx_slave_configure, | |
129 | ||
f4f051eb | 130 | .slave_alloc = qla2xxx_slave_alloc, |
131 | .slave_destroy = qla2xxx_slave_destroy, | |
1e99e33a AV |
132 | .scan_finished = qla2xxx_scan_finished, |
133 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
134 | .change_queue_depth = qla2x00_change_queue_depth, |
135 | .change_queue_type = qla2x00_change_queue_type, | |
1da177e4 LT |
136 | .this_id = -1, |
137 | .cmd_per_lun = 3, | |
138 | .use_clustering = ENABLE_CLUSTERING, | |
139 | .sg_tablesize = SG_ALL, | |
140 | ||
141 | /* | |
142 | * The RISC allows for each command to transfer (2^32-1) bytes of data, | |
143 | * which equates to 0x800000 sectors. | |
144 | */ | |
145 | .max_sectors = 0xFFFF, | |
afb046e2 | 146 | .shost_attrs = qla2x00_host_attrs, |
1da177e4 LT |
147 | }; |
148 | ||
2c3dfe3f | 149 | struct scsi_host_template qla24xx_driver_template = { |
fca29703 | 150 | .module = THIS_MODULE, |
cb63067a | 151 | .name = QLA2XXX_DRIVER_NAME, |
fca29703 AV |
152 | .queuecommand = qla24xx_queuecommand, |
153 | ||
154 | .eh_abort_handler = qla2xxx_eh_abort, | |
155 | .eh_device_reset_handler = qla2xxx_eh_device_reset, | |
523ec773 | 156 | .eh_target_reset_handler = qla2xxx_eh_target_reset, |
fca29703 AV |
157 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
158 | .eh_host_reset_handler = qla2xxx_eh_host_reset, | |
159 | ||
160 | .slave_configure = qla2xxx_slave_configure, | |
161 | ||
162 | .slave_alloc = qla2xxx_slave_alloc, | |
163 | .slave_destroy = qla2xxx_slave_destroy, | |
ed677086 AV |
164 | .scan_finished = qla2xxx_scan_finished, |
165 | .scan_start = qla2xxx_scan_start, | |
ce7e4af7 AV |
166 | .change_queue_depth = qla2x00_change_queue_depth, |
167 | .change_queue_type = qla2x00_change_queue_type, | |
fca29703 AV |
168 | .this_id = -1, |
169 | .cmd_per_lun = 3, | |
170 | .use_clustering = ENABLE_CLUSTERING, | |
171 | .sg_tablesize = SG_ALL, | |
172 | ||
173 | .max_sectors = 0xFFFF, | |
afb046e2 | 174 | .shost_attrs = qla2x00_host_attrs, |
fca29703 AV |
175 | }; |
176 | ||
1da177e4 | 177 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
2c3dfe3f | 178 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
1da177e4 | 179 | |
1da177e4 LT |
180 | /* TODO Convert to inlines |
181 | * | |
182 | * Timer routines | |
183 | */ | |
1da177e4 | 184 | |
2c3dfe3f | 185 | __inline__ void |
e315cd28 | 186 | qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) |
1da177e4 | 187 | { |
e315cd28 AC |
188 | init_timer(&vha->timer); |
189 | vha->timer.expires = jiffies + interval * HZ; | |
190 | vha->timer.data = (unsigned long)vha; | |
191 | vha->timer.function = (void (*)(unsigned long))func; | |
192 | add_timer(&vha->timer); | |
193 | vha->timer_active = 1; | |
1da177e4 LT |
194 | } |
195 | ||
196 | static inline void | |
e315cd28 | 197 | qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) |
1da177e4 | 198 | { |
e315cd28 | 199 | mod_timer(&vha->timer, jiffies + interval * HZ); |
1da177e4 LT |
200 | } |
201 | ||
a824ebb3 | 202 | static __inline__ void |
e315cd28 | 203 | qla2x00_stop_timer(scsi_qla_host_t *vha) |
1da177e4 | 204 | { |
e315cd28 AC |
205 | del_timer_sync(&vha->timer); |
206 | vha->timer_active = 0; | |
1da177e4 LT |
207 | } |
208 | ||
1da177e4 LT |
209 | static int qla2x00_do_dpc(void *data); |
210 | ||
211 | static void qla2x00_rst_aen(scsi_qla_host_t *); | |
212 | ||
e315cd28 AC |
213 | static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t); |
214 | static void qla2x00_mem_free(struct qla_hw_data *); | |
215 | static void qla2x00_sp_free_dma(srb_t *); | |
1da177e4 | 216 | |
1da177e4 | 217 | /* -------------------------------------------------------------------------- */ |
1da177e4 | 218 | static char * |
e315cd28 | 219 | qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str) |
1da177e4 | 220 | { |
e315cd28 | 221 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
222 | static char *pci_bus_modes[] = { |
223 | "33", "66", "100", "133", | |
224 | }; | |
225 | uint16_t pci_bus; | |
226 | ||
227 | strcpy(str, "PCI"); | |
228 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | |
229 | if (pci_bus) { | |
230 | strcat(str, "-X ("); | |
231 | strcat(str, pci_bus_modes[pci_bus]); | |
232 | } else { | |
233 | pci_bus = (ha->pci_attr & BIT_8) >> 8; | |
234 | strcat(str, " ("); | |
235 | strcat(str, pci_bus_modes[pci_bus]); | |
236 | } | |
237 | strcat(str, " MHz)"); | |
238 | ||
239 | return (str); | |
240 | } | |
241 | ||
fca29703 | 242 | static char * |
e315cd28 | 243 | qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str) |
fca29703 AV |
244 | { |
245 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | |
e315cd28 | 246 | struct qla_hw_data *ha = vha->hw; |
fca29703 AV |
247 | uint32_t pci_bus; |
248 | int pcie_reg; | |
249 | ||
250 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
251 | if (pcie_reg) { | |
252 | char lwstr[6]; | |
253 | uint16_t pcie_lstat, lspeed, lwidth; | |
254 | ||
255 | pcie_reg += 0x12; | |
256 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); | |
257 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); | |
258 | lwidth = (pcie_lstat & | |
259 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; | |
260 | ||
261 | strcpy(str, "PCIe ("); | |
262 | if (lspeed == 1) | |
c87a0d8c | 263 | strcat(str, "2.5GT/s "); |
c3a2f0df | 264 | else if (lspeed == 2) |
c87a0d8c | 265 | strcat(str, "5.0GT/s "); |
fca29703 AV |
266 | else |
267 | strcat(str, "<unknown> "); | |
268 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); | |
269 | strcat(str, lwstr); | |
270 | ||
271 | return str; | |
272 | } | |
273 | ||
274 | strcpy(str, "PCI"); | |
275 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; | |
276 | if (pci_bus == 0 || pci_bus == 8) { | |
277 | strcat(str, " ("); | |
278 | strcat(str, pci_bus_modes[pci_bus >> 3]); | |
279 | } else { | |
280 | strcat(str, "-X "); | |
281 | if (pci_bus & BIT_2) | |
282 | strcat(str, "Mode 2"); | |
283 | else | |
284 | strcat(str, "Mode 1"); | |
285 | strcat(str, " ("); | |
286 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); | |
287 | } | |
288 | strcat(str, " MHz)"); | |
289 | ||
290 | return str; | |
291 | } | |
292 | ||
e5f82ab8 | 293 | static char * |
e315cd28 | 294 | qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str) |
1da177e4 LT |
295 | { |
296 | char un_str[10]; | |
e315cd28 | 297 | struct qla_hw_data *ha = vha->hw; |
fa2a1ce5 | 298 | |
1da177e4 LT |
299 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
300 | ha->fw_minor_version, | |
301 | ha->fw_subminor_version); | |
302 | ||
303 | if (ha->fw_attributes & BIT_9) { | |
304 | strcat(str, "FLX"); | |
305 | return (str); | |
306 | } | |
307 | ||
308 | switch (ha->fw_attributes & 0xFF) { | |
309 | case 0x7: | |
310 | strcat(str, "EF"); | |
311 | break; | |
312 | case 0x17: | |
313 | strcat(str, "TP"); | |
314 | break; | |
315 | case 0x37: | |
316 | strcat(str, "IP"); | |
317 | break; | |
318 | case 0x77: | |
319 | strcat(str, "VI"); | |
320 | break; | |
321 | default: | |
322 | sprintf(un_str, "(%x)", ha->fw_attributes); | |
323 | strcat(str, un_str); | |
324 | break; | |
325 | } | |
326 | if (ha->fw_attributes & 0x100) | |
327 | strcat(str, "X"); | |
328 | ||
329 | return (str); | |
330 | } | |
331 | ||
e5f82ab8 | 332 | static char * |
e315cd28 | 333 | qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str) |
fca29703 | 334 | { |
e315cd28 | 335 | struct qla_hw_data *ha = vha->hw; |
f0883ac6 AV |
336 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
337 | ha->fw_minor_version, | |
338 | ha->fw_subminor_version); | |
339 | ||
fca29703 AV |
340 | if (ha->fw_attributes & BIT_0) |
341 | strcat(str, "[Class 2] "); | |
342 | if (ha->fw_attributes & BIT_1) | |
343 | strcat(str, "[IP] "); | |
344 | if (ha->fw_attributes & BIT_2) | |
345 | strcat(str, "[Multi-ID] "); | |
c3a2f0df AV |
346 | if (ha->fw_attributes & BIT_3) |
347 | strcat(str, "[SB-2] "); | |
348 | if (ha->fw_attributes & BIT_4) | |
349 | strcat(str, "[T10 CRC] "); | |
350 | if (ha->fw_attributes & BIT_5) | |
351 | strcat(str, "[VI] "); | |
4d4df193 HK |
352 | if (ha->fw_attributes & BIT_10) |
353 | strcat(str, "[84XX] "); | |
fca29703 AV |
354 | if (ha->fw_attributes & BIT_13) |
355 | strcat(str, "[Experimental]"); | |
356 | return str; | |
fca29703 AV |
357 | } |
358 | ||
359 | static inline srb_t * | |
e315cd28 | 360 | qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, |
fca29703 AV |
361 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
362 | { | |
363 | srb_t *sp; | |
e315cd28 | 364 | struct qla_hw_data *ha = vha->hw; |
fca29703 AV |
365 | |
366 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
367 | if (!sp) | |
368 | return sp; | |
369 | ||
e315cd28 | 370 | sp->vha = vha; |
fca29703 AV |
371 | sp->fcport = fcport; |
372 | sp->cmd = cmd; | |
373 | sp->flags = 0; | |
374 | CMD_SP(cmd) = (void *)sp; | |
375 | cmd->scsi_done = done; | |
376 | ||
377 | return sp; | |
378 | } | |
379 | ||
1da177e4 | 380 | static int |
f4f051eb | 381 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
1da177e4 | 382 | { |
e315cd28 | 383 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
bdf79621 | 384 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 385 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
e315cd28 | 386 | struct qla_hw_data *ha = vha->hw; |
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. */ |
7b594131 MC |
402 | if (fcport->drport) |
403 | goto qc_target_busy; | |
387f96b4 | 404 | |
f4f051eb | 405 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
406 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
e315cd28 | 407 | atomic_read(&vha->loop_state) == LOOP_DEAD) { |
f4f051eb | 408 | cmd->result = DID_NO_CONNECT << 16; |
409 | goto qc_fail_command; | |
410 | } | |
7b594131 | 411 | goto qc_target_busy; |
f4f051eb | 412 | } |
1da177e4 | 413 | |
e315cd28 | 414 | spin_unlock_irq(vha->host->host_lock); |
1da177e4 | 415 | |
e315cd28 | 416 | sp = qla2x00_get_new_sp(vha, fcport, cmd, done); |
fca29703 | 417 | if (!sp) |
f4f051eb | 418 | goto qc_host_busy_lock; |
1da177e4 | 419 | |
e315cd28 | 420 | rval = ha->isp_ops->start_scsi(sp); |
f4f051eb | 421 | if (rval != QLA_SUCCESS) |
422 | goto qc_host_busy_free_sp; | |
1da177e4 | 423 | |
e315cd28 | 424 | spin_lock_irq(vha->host->host_lock); |
1da177e4 | 425 | |
f4f051eb | 426 | return 0; |
1da177e4 | 427 | |
f4f051eb | 428 | qc_host_busy_free_sp: |
e315cd28 | 429 | qla2x00_sp_free_dma(sp); |
f4f051eb | 430 | mempool_free(sp, ha->srb_mempool); |
1da177e4 | 431 | |
f4f051eb | 432 | qc_host_busy_lock: |
e315cd28 | 433 | spin_lock_irq(vha->host->host_lock); |
f4f051eb | 434 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 | 435 | |
7b594131 MC |
436 | qc_target_busy: |
437 | return SCSI_MLQUEUE_TARGET_BUSY; | |
438 | ||
f4f051eb | 439 | qc_fail_command: |
440 | done(cmd); | |
1da177e4 | 441 | |
f4f051eb | 442 | return 0; |
1da177e4 LT |
443 | } |
444 | ||
fca29703 AV |
445 | |
446 | static int | |
447 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) | |
448 | { | |
e315cd28 | 449 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
fca29703 | 450 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
19a7b4ae | 451 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
e315cd28 AC |
452 | struct qla_hw_data *ha = vha->hw; |
453 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
fca29703 AV |
454 | srb_t *sp; |
455 | int rval; | |
456 | ||
e315cd28 | 457 | if (unlikely(pci_channel_offline(ha->pdev))) { |
14e660e6 SJ |
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. */ |
7b594131 MC |
469 | if (fcport->drport) |
470 | goto qc24_target_busy; | |
387f96b4 | 471 | |
fca29703 AV |
472 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
473 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | |
e315cd28 | 474 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { |
fca29703 AV |
475 | cmd->result = DID_NO_CONNECT << 16; |
476 | goto qc24_fail_command; | |
477 | } | |
7b594131 | 478 | goto qc24_target_busy; |
fca29703 AV |
479 | } |
480 | ||
e315cd28 | 481 | spin_unlock_irq(vha->host->host_lock); |
fca29703 | 482 | |
e315cd28 | 483 | sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done); |
fca29703 AV |
484 | if (!sp) |
485 | goto qc24_host_busy_lock; | |
486 | ||
e315cd28 | 487 | rval = ha->isp_ops->start_scsi(sp); |
fca29703 AV |
488 | if (rval != QLA_SUCCESS) |
489 | goto qc24_host_busy_free_sp; | |
490 | ||
e315cd28 | 491 | spin_lock_irq(vha->host->host_lock); |
fca29703 AV |
492 | |
493 | return 0; | |
494 | ||
495 | qc24_host_busy_free_sp: | |
e315cd28 AC |
496 | qla2x00_sp_free_dma(sp); |
497 | mempool_free(sp, ha->srb_mempool); | |
fca29703 AV |
498 | |
499 | qc24_host_busy_lock: | |
e315cd28 | 500 | spin_lock_irq(vha->host->host_lock); |
fca29703 AV |
501 | return SCSI_MLQUEUE_HOST_BUSY; |
502 | ||
7b594131 MC |
503 | qc24_target_busy: |
504 | return SCSI_MLQUEUE_TARGET_BUSY; | |
505 | ||
fca29703 AV |
506 | qc24_fail_command: |
507 | done(cmd); | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | ||
1da177e4 LT |
513 | /* |
514 | * qla2x00_eh_wait_on_command | |
515 | * Waits for the command to be returned by the Firmware for some | |
516 | * max time. | |
517 | * | |
518 | * Input: | |
1da177e4 | 519 | * cmd = Scsi Command to wait on. |
1da177e4 LT |
520 | * |
521 | * Return: | |
522 | * Not Found : 0 | |
523 | * Found : 1 | |
524 | */ | |
525 | static int | |
e315cd28 | 526 | qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) |
1da177e4 | 527 | { |
fe74c71f AV |
528 | #define ABORT_POLLING_PERIOD 1000 |
529 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) | |
f4f051eb | 530 | unsigned long wait_iter = ABORT_WAIT_ITER; |
531 | int ret = QLA_SUCCESS; | |
1da177e4 | 532 | |
f4f051eb | 533 | while (CMD_SP(cmd)) { |
fe74c71f | 534 | msleep(ABORT_POLLING_PERIOD); |
1da177e4 | 535 | |
f4f051eb | 536 | if (--wait_iter) |
537 | break; | |
538 | } | |
539 | if (CMD_SP(cmd)) | |
540 | ret = QLA_FUNCTION_FAILED; | |
1da177e4 | 541 | |
f4f051eb | 542 | return ret; |
1da177e4 LT |
543 | } |
544 | ||
545 | /* | |
546 | * qla2x00_wait_for_hba_online | |
fa2a1ce5 | 547 | * Wait till the HBA is online after going through |
1da177e4 LT |
548 | * <= MAX_RETRIES_OF_ISP_ABORT or |
549 | * finally HBA is disabled ie marked offline | |
550 | * | |
551 | * Input: | |
552 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
553 | * |
554 | * Note: | |
1da177e4 LT |
555 | * Does context switching-Release SPIN_LOCK |
556 | * (if any) before calling this routine. | |
557 | * | |
558 | * Return: | |
559 | * Success (Adapter is online) : 0 | |
560 | * Failed (Adapter is offline/disabled) : 1 | |
561 | */ | |
854165f4 | 562 | int |
e315cd28 | 563 | qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) |
1da177e4 | 564 | { |
fca29703 AV |
565 | int return_status; |
566 | unsigned long wait_online; | |
e315cd28 AC |
567 | struct qla_hw_data *ha = vha->hw; |
568 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 | 569 | |
fa2a1ce5 | 570 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
e315cd28 AC |
571 | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || |
572 | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || | |
573 | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || | |
574 | ha->dpc_active) && time_before(jiffies, wait_online)) { | |
1da177e4 LT |
575 | |
576 | msleep(1000); | |
577 | } | |
e315cd28 | 578 | if (base_vha->flags.online) |
fa2a1ce5 | 579 | return_status = QLA_SUCCESS; |
1da177e4 LT |
580 | else |
581 | return_status = QLA_FUNCTION_FAILED; | |
582 | ||
1da177e4 LT |
583 | return (return_status); |
584 | } | |
585 | ||
586 | /* | |
587 | * qla2x00_wait_for_loop_ready | |
588 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop | |
fa2a1ce5 | 589 | * to be in LOOP_READY state. |
1da177e4 LT |
590 | * Input: |
591 | * ha - pointer to host adapter structure | |
fa2a1ce5 AV |
592 | * |
593 | * Note: | |
1da177e4 LT |
594 | * Does context switching-Release SPIN_LOCK |
595 | * (if any) before calling this routine. | |
fa2a1ce5 | 596 | * |
1da177e4 LT |
597 | * |
598 | * Return: | |
599 | * Success (LOOP_READY) : 0 | |
600 | * Failed (LOOP_NOT_READY) : 1 | |
601 | */ | |
fa2a1ce5 | 602 | static inline int |
e315cd28 | 603 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha) |
1da177e4 LT |
604 | { |
605 | int return_status = QLA_SUCCESS; | |
606 | unsigned long loop_timeout ; | |
e315cd28 AC |
607 | struct qla_hw_data *ha = vha->hw; |
608 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 LT |
609 | |
610 | /* wait for 5 min at the max for loop to be ready */ | |
fa2a1ce5 | 611 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
1da177e4 | 612 | |
e315cd28 AC |
613 | while ((!atomic_read(&base_vha->loop_down_timer) && |
614 | atomic_read(&base_vha->loop_state) == LOOP_DOWN) || | |
615 | atomic_read(&base_vha->loop_state) != LOOP_READY) { | |
616 | if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | |
57680080 RA |
617 | return_status = QLA_FUNCTION_FAILED; |
618 | break; | |
619 | } | |
1da177e4 LT |
620 | msleep(1000); |
621 | if (time_after_eq(jiffies, loop_timeout)) { | |
622 | return_status = QLA_FUNCTION_FAILED; | |
623 | break; | |
624 | } | |
625 | } | |
fa2a1ce5 | 626 | return (return_status); |
1da177e4 LT |
627 | } |
628 | ||
5f3a9a20 SJ |
629 | void |
630 | qla2x00_abort_fcport_cmds(fc_port_t *fcport) | |
631 | { | |
632 | int cnt; | |
633 | unsigned long flags; | |
634 | srb_t *sp; | |
e315cd28 AC |
635 | scsi_qla_host_t *vha = fcport->vha; |
636 | struct qla_hw_data *ha = vha->hw; | |
637 | struct req_que *req = ha->req; | |
5f3a9a20 | 638 | |
e315cd28 | 639 | spin_lock_irqsave(&ha->hardware_lock, flags); |
5f3a9a20 | 640 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
e315cd28 | 641 | sp = req->outstanding_cmds[cnt]; |
5f3a9a20 SJ |
642 | if (!sp) |
643 | continue; | |
644 | if (sp->fcport != fcport) | |
645 | continue; | |
646 | ||
e315cd28 AC |
647 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
648 | if (ha->isp_ops->abort_command(vha, sp)) { | |
5f3a9a20 SJ |
649 | DEBUG2(qla_printk(KERN_WARNING, ha, |
650 | "Abort failed -- %lx\n", sp->cmd->serial_number)); | |
651 | } else { | |
e315cd28 | 652 | if (qla2x00_eh_wait_on_command(sp->cmd) != |
5f3a9a20 SJ |
653 | QLA_SUCCESS) |
654 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
655 | "Abort failed while waiting -- %lx\n", | |
656 | sp->cmd->serial_number)); | |
657 | ||
658 | } | |
e315cd28 | 659 | spin_lock_irqsave(&ha->hardware_lock, flags); |
5f3a9a20 | 660 | } |
e315cd28 | 661 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
5f3a9a20 SJ |
662 | } |
663 | ||
07db5183 AV |
664 | static void |
665 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) | |
666 | { | |
667 | struct Scsi_Host *shost = cmnd->device->host; | |
668 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); | |
669 | unsigned long flags; | |
670 | ||
671 | spin_lock_irqsave(shost->host_lock, flags); | |
672 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { | |
673 | spin_unlock_irqrestore(shost->host_lock, flags); | |
674 | msleep(1000); | |
675 | spin_lock_irqsave(shost->host_lock, flags); | |
676 | } | |
677 | spin_unlock_irqrestore(shost->host_lock, flags); | |
678 | return; | |
679 | } | |
680 | ||
1da177e4 LT |
681 | /************************************************************************** |
682 | * qla2xxx_eh_abort | |
683 | * | |
684 | * Description: | |
685 | * The abort function will abort the specified command. | |
686 | * | |
687 | * Input: | |
688 | * cmd = Linux SCSI command packet to be aborted. | |
689 | * | |
690 | * Returns: | |
691 | * Either SUCCESS or FAILED. | |
692 | * | |
693 | * Note: | |
2ea00202 | 694 | * Only return FAILED if command not returned by firmware. |
1da177e4 | 695 | **************************************************************************/ |
e5f82ab8 | 696 | static int |
1da177e4 LT |
697 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
698 | { | |
e315cd28 | 699 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
f4f051eb | 700 | srb_t *sp; |
701 | int ret, i; | |
702 | unsigned int id, lun; | |
703 | unsigned long serial; | |
18e144d3 | 704 | unsigned long flags; |
2ea00202 | 705 | int wait = 0; |
e315cd28 AC |
706 | struct qla_hw_data *ha = vha->hw; |
707 | struct req_que *req = ha->req; | |
1da177e4 | 708 | |
07db5183 AV |
709 | qla2x00_block_error_handler(cmd); |
710 | ||
f4f051eb | 711 | if (!CMD_SP(cmd)) |
2ea00202 | 712 | return SUCCESS; |
1da177e4 | 713 | |
2ea00202 | 714 | ret = SUCCESS; |
1da177e4 | 715 | |
f4f051eb | 716 | id = cmd->device->id; |
717 | lun = cmd->device->lun; | |
718 | serial = cmd->serial_number; | |
1da177e4 | 719 | |
f4f051eb | 720 | /* Check active list for command command. */ |
e315cd28 | 721 | spin_lock_irqsave(&ha->hardware_lock, flags); |
f4f051eb | 722 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
e315cd28 | 723 | sp = req->outstanding_cmds[i]; |
1da177e4 | 724 | |
f4f051eb | 725 | if (sp == NULL) |
726 | continue; | |
1da177e4 | 727 | |
f4f051eb | 728 | if (sp->cmd != cmd) |
729 | continue; | |
1da177e4 | 730 | |
75bc4190 | 731 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
e315cd28 | 732 | __func__, vha->host_no, sp, serial)); |
1da177e4 | 733 | |
e315cd28 AC |
734 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
735 | if (ha->isp_ops->abort_command(vha, sp)) { | |
f4f051eb | 736 | DEBUG2(printk("%s(%ld): abort_command " |
e315cd28 | 737 | "mbx failed.\n", __func__, vha->host_no)); |
5bff55db | 738 | ret = FAILED; |
f4f051eb | 739 | } else { |
740 | DEBUG3(printk("%s(%ld): abort_command " | |
e315cd28 | 741 | "mbx success.\n", __func__, vha->host_no)); |
2ea00202 | 742 | wait = 1; |
f4f051eb | 743 | } |
e315cd28 | 744 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 | 745 | |
f4f051eb | 746 | break; |
747 | } | |
e315cd28 | 748 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 749 | |
f4f051eb | 750 | /* Wait for the command to be returned. */ |
2ea00202 | 751 | if (wait) { |
e315cd28 | 752 | if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { |
fa2a1ce5 | 753 | qla_printk(KERN_ERR, ha, |
f4f051eb | 754 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
e315cd28 | 755 | "%x.\n", vha->host_no, id, lun, serial, ret); |
2ea00202 | 756 | ret = FAILED; |
f4f051eb | 757 | } |
1da177e4 | 758 | } |
1da177e4 | 759 | |
fa2a1ce5 | 760 | qla_printk(KERN_INFO, ha, |
2ea00202 | 761 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
e315cd28 | 762 | vha->host_no, id, lun, wait, serial, ret); |
1da177e4 | 763 | |
f4f051eb | 764 | return ret; |
765 | } | |
1da177e4 | 766 | |
523ec773 AV |
767 | enum nexus_wait_type { |
768 | WAIT_HOST = 0, | |
769 | WAIT_TARGET, | |
770 | WAIT_LUN, | |
771 | }; | |
772 | ||
f4f051eb | 773 | static int |
e315cd28 | 774 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, |
523ec773 | 775 | unsigned int l, enum nexus_wait_type type) |
f4f051eb | 776 | { |
523ec773 AV |
777 | int cnt, match, status; |
778 | srb_t *sp; | |
18e144d3 | 779 | unsigned long flags; |
e315cd28 AC |
780 | struct qla_hw_data *ha = vha->hw; |
781 | struct req_que *req = ha->req; | |
1da177e4 | 782 | |
523ec773 | 783 | status = QLA_SUCCESS; |
e315cd28 | 784 | spin_lock_irqsave(&ha->hardware_lock, flags); |
523ec773 AV |
785 | for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS; |
786 | cnt++) { | |
e315cd28 | 787 | sp = req->outstanding_cmds[cnt]; |
523ec773 AV |
788 | if (!sp) |
789 | continue; | |
19851f13 | 790 | |
e315cd28 | 791 | if (vha->vp_idx != sp->fcport->vha->vp_idx) |
523ec773 AV |
792 | continue; |
793 | match = 0; | |
794 | switch (type) { | |
795 | case WAIT_HOST: | |
796 | match = 1; | |
797 | break; | |
798 | case WAIT_TARGET: | |
799 | match = sp->cmd->device->id == t; | |
800 | break; | |
801 | case WAIT_LUN: | |
802 | match = (sp->cmd->device->id == t && | |
803 | sp->cmd->device->lun == l); | |
804 | break; | |
1da177e4 | 805 | } |
523ec773 AV |
806 | if (!match) |
807 | continue; | |
808 | ||
e315cd28 AC |
809 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
810 | status = qla2x00_eh_wait_on_command(sp->cmd); | |
811 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1da177e4 | 812 | } |
e315cd28 | 813 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
523ec773 AV |
814 | |
815 | return status; | |
1da177e4 LT |
816 | } |
817 | ||
523ec773 AV |
818 | static char *reset_errors[] = { |
819 | "HBA not online", | |
820 | "HBA not ready", | |
821 | "Task management failed", | |
822 | "Waiting for command completions", | |
823 | }; | |
1da177e4 | 824 | |
e5f82ab8 | 825 | static int |
523ec773 AV |
826 | __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, |
827 | struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int)) | |
1da177e4 | 828 | { |
e315cd28 | 829 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
bdf79621 | 830 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
523ec773 | 831 | int err; |
1da177e4 | 832 | |
07db5183 AV |
833 | qla2x00_block_error_handler(cmd); |
834 | ||
b0328bee | 835 | if (!fcport) |
523ec773 | 836 | return FAILED; |
1da177e4 | 837 | |
e315cd28 AC |
838 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n", |
839 | vha->host_no, cmd->device->id, cmd->device->lun, name); | |
1da177e4 | 840 | |
523ec773 | 841 | err = 0; |
e315cd28 | 842 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) |
523ec773 AV |
843 | goto eh_reset_failed; |
844 | err = 1; | |
e315cd28 | 845 | if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) |
523ec773 AV |
846 | goto eh_reset_failed; |
847 | err = 2; | |
848 | if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS) | |
849 | goto eh_reset_failed; | |
850 | err = 3; | |
e315cd28 | 851 | if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, |
523ec773 AV |
852 | cmd->device->lun, type) != QLA_SUCCESS) |
853 | goto eh_reset_failed; | |
854 | ||
e315cd28 AC |
855 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", |
856 | vha->host_no, cmd->device->id, cmd->device->lun, name); | |
523ec773 AV |
857 | |
858 | return SUCCESS; | |
859 | ||
860 | eh_reset_failed: | |
e315cd28 AC |
861 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n" |
862 | , vha->host_no, cmd->device->id, cmd->device->lun, name, | |
523ec773 AV |
863 | reset_errors[err]); |
864 | return FAILED; | |
865 | } | |
1da177e4 | 866 | |
523ec773 AV |
867 | static int |
868 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
869 | { | |
e315cd28 AC |
870 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
871 | struct qla_hw_data *ha = vha->hw; | |
1da177e4 | 872 | |
523ec773 AV |
873 | return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, |
874 | ha->isp_ops->lun_reset); | |
1da177e4 LT |
875 | } |
876 | ||
1da177e4 | 877 | static int |
523ec773 | 878 | qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) |
1da177e4 | 879 | { |
e315cd28 AC |
880 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
881 | struct qla_hw_data *ha = vha->hw; | |
1da177e4 | 882 | |
523ec773 AV |
883 | return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, |
884 | ha->isp_ops->target_reset); | |
1da177e4 LT |
885 | } |
886 | ||
1da177e4 LT |
887 | /************************************************************************** |
888 | * qla2xxx_eh_bus_reset | |
889 | * | |
890 | * Description: | |
891 | * The bus reset function will reset the bus and abort any executing | |
892 | * commands. | |
893 | * | |
894 | * Input: | |
895 | * cmd = Linux SCSI command packet of the command that cause the | |
896 | * bus reset. | |
897 | * | |
898 | * Returns: | |
899 | * SUCCESS/FAILURE (defined as macro in scsi.h). | |
900 | * | |
901 | **************************************************************************/ | |
e5f82ab8 | 902 | static int |
1da177e4 LT |
903 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
904 | { | |
e315cd28 | 905 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
bdf79621 | 906 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
2c3dfe3f | 907 | int ret = FAILED; |
f4f051eb | 908 | unsigned int id, lun; |
909 | unsigned long serial; | |
910 | ||
07db5183 AV |
911 | qla2x00_block_error_handler(cmd); |
912 | ||
f4f051eb | 913 | id = cmd->device->id; |
914 | lun = cmd->device->lun; | |
915 | serial = cmd->serial_number; | |
1da177e4 | 916 | |
b0328bee | 917 | if (!fcport) |
f4f051eb | 918 | return ret; |
1da177e4 | 919 | |
e315cd28 AC |
920 | qla_printk(KERN_INFO, vha->hw, |
921 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", vha->host_no, id, lun); | |
1da177e4 | 922 | |
e315cd28 | 923 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { |
1da177e4 | 924 | DEBUG2(printk("%s failed:board disabled\n",__func__)); |
f4f051eb | 925 | goto eh_bus_reset_done; |
1da177e4 LT |
926 | } |
927 | ||
e315cd28 AC |
928 | if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) { |
929 | if (qla2x00_loop_reset(vha) == QLA_SUCCESS) | |
f4f051eb | 930 | ret = SUCCESS; |
1da177e4 | 931 | } |
f4f051eb | 932 | if (ret == FAILED) |
933 | goto eh_bus_reset_done; | |
1da177e4 | 934 | |
9a41a62b | 935 | /* Flush outstanding commands. */ |
e315cd28 | 936 | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != |
523ec773 | 937 | QLA_SUCCESS) |
9a41a62b | 938 | ret = FAILED; |
1da177e4 | 939 | |
f4f051eb | 940 | eh_bus_reset_done: |
e315cd28 | 941 | qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__, |
f4f051eb | 942 | (ret == FAILED) ? "failed" : "succeded"); |
1da177e4 | 943 | |
f4f051eb | 944 | return ret; |
1da177e4 LT |
945 | } |
946 | ||
947 | /************************************************************************** | |
948 | * qla2xxx_eh_host_reset | |
949 | * | |
950 | * Description: | |
951 | * The reset function will reset the Adapter. | |
952 | * | |
953 | * Input: | |
954 | * cmd = Linux SCSI command packet of the command that cause the | |
955 | * adapter reset. | |
956 | * | |
957 | * Returns: | |
958 | * Either SUCCESS or FAILED. | |
959 | * | |
960 | * Note: | |
961 | **************************************************************************/ | |
e5f82ab8 | 962 | static int |
1da177e4 LT |
963 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
964 | { | |
e315cd28 | 965 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
bdf79621 | 966 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
e315cd28 | 967 | struct qla_hw_data *ha = vha->hw; |
2c3dfe3f | 968 | int ret = FAILED; |
f4f051eb | 969 | unsigned int id, lun; |
970 | unsigned long serial; | |
e315cd28 | 971 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 972 | |
07db5183 AV |
973 | qla2x00_block_error_handler(cmd); |
974 | ||
f4f051eb | 975 | id = cmd->device->id; |
976 | lun = cmd->device->lun; | |
977 | serial = cmd->serial_number; | |
978 | ||
b0328bee | 979 | if (!fcport) |
f4f051eb | 980 | return ret; |
1da177e4 | 981 | |
1da177e4 | 982 | qla_printk(KERN_INFO, ha, |
e315cd28 | 983 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun); |
1da177e4 | 984 | |
e315cd28 | 985 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) |
f4f051eb | 986 | goto eh_host_reset_lock; |
1da177e4 LT |
987 | |
988 | /* | |
989 | * Fixme-may be dpc thread is active and processing | |
fa2a1ce5 | 990 | * loop_resync,so wait a while for it to |
1da177e4 LT |
991 | * be completed and then issue big hammer.Otherwise |
992 | * it may cause I/O failure as big hammer marks the | |
993 | * devices as lost kicking of the port_down_timer | |
994 | * while dpc is stuck for the mailbox to complete. | |
995 | */ | |
e315cd28 AC |
996 | qla2x00_wait_for_loop_ready(vha); |
997 | if (vha != base_vha) { | |
998 | if (qla2x00_vp_abort_isp(vha)) | |
f4f051eb | 999 | goto eh_host_reset_lock; |
e315cd28 AC |
1000 | } else { |
1001 | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | |
1002 | if (qla2x00_abort_isp(base_vha)) { | |
1003 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | |
1004 | /* failed. schedule dpc to try */ | |
1005 | set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); | |
1006 | ||
1007 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) | |
1008 | goto eh_host_reset_lock; | |
1009 | } | |
1010 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | |
fa2a1ce5 | 1011 | } |
1da177e4 | 1012 | |
e315cd28 AC |
1013 | /* Waiting for command to be returned to OS.*/ |
1014 | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == | |
1015 | QLA_SUCCESS) | |
f4f051eb | 1016 | ret = SUCCESS; |
1da177e4 | 1017 | |
f4f051eb | 1018 | eh_host_reset_lock: |
f4f051eb | 1019 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
1020 | (ret == FAILED) ? "failed" : "succeded"); | |
1da177e4 | 1021 | |
f4f051eb | 1022 | return ret; |
1023 | } | |
1da177e4 LT |
1024 | |
1025 | /* | |
1026 | * qla2x00_loop_reset | |
1027 | * Issue loop reset. | |
1028 | * | |
1029 | * Input: | |
1030 | * ha = adapter block pointer. | |
1031 | * | |
1032 | * Returns: | |
1033 | * 0 = success | |
1034 | */ | |
a4722cf2 | 1035 | int |
e315cd28 | 1036 | qla2x00_loop_reset(scsi_qla_host_t *vha) |
1da177e4 | 1037 | { |
0c8c39af | 1038 | int ret; |
bdf79621 | 1039 | struct fc_port *fcport; |
e315cd28 | 1040 | struct qla_hw_data *ha = vha->hw; |
1da177e4 | 1041 | |
0c8c39af | 1042 | if (ha->flags.enable_lip_full_login) { |
e315cd28 | 1043 | ret = qla2x00_full_login_lip(vha); |
0c8c39af AV |
1044 | if (ret != QLA_SUCCESS) { |
1045 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
e315cd28 | 1046 | "full_login_lip=%d.\n", __func__, vha->host_no, |
0c8c39af | 1047 | ret)); |
e315cd28 AC |
1048 | } else |
1049 | qla2x00_wait_for_loop_ready(vha); | |
0c8c39af AV |
1050 | } |
1051 | ||
1da177e4 | 1052 | if (ha->flags.enable_lip_reset) { |
e315cd28 | 1053 | ret = qla2x00_lip_reset(vha); |
0c8c39af AV |
1054 | if (ret != QLA_SUCCESS) { |
1055 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
e315cd28 AC |
1056 | "lip_reset=%d.\n", __func__, vha->host_no, ret)); |
1057 | } else | |
1058 | qla2x00_wait_for_loop_ready(vha); | |
1da177e4 LT |
1059 | } |
1060 | ||
0c8c39af | 1061 | if (ha->flags.enable_target_reset) { |
e315cd28 | 1062 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
bdf79621 | 1063 | if (fcport->port_type != FCT_TARGET) |
1da177e4 LT |
1064 | continue; |
1065 | ||
523ec773 | 1066 | ret = ha->isp_ops->target_reset(fcport, 0); |
0c8c39af AV |
1067 | if (ret != QLA_SUCCESS) { |
1068 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " | |
1069 | "target_reset=%d d_id=%x.\n", __func__, | |
e315cd28 | 1070 | vha->host_no, ret, fcport->d_id.b24)); |
0c8c39af | 1071 | } |
1da177e4 LT |
1072 | } |
1073 | } | |
1074 | ||
1da177e4 | 1075 | /* Issue marker command only when we are going to start the I/O */ |
e315cd28 | 1076 | vha->marker_needed = 1; |
1da177e4 | 1077 | |
0c8c39af | 1078 | return QLA_SUCCESS; |
1da177e4 LT |
1079 | } |
1080 | ||
df4bf0bb | 1081 | void |
e315cd28 | 1082 | qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) |
df4bf0bb AV |
1083 | { |
1084 | int cnt; | |
1085 | unsigned long flags; | |
1086 | srb_t *sp; | |
e315cd28 AC |
1087 | struct qla_hw_data *ha = vha->hw; |
1088 | struct req_que *req = ha->req; | |
df4bf0bb AV |
1089 | |
1090 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1091 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
e315cd28 | 1092 | sp = req->outstanding_cmds[cnt]; |
df4bf0bb | 1093 | if (sp) { |
e315cd28 | 1094 | req->outstanding_cmds[cnt] = NULL; |
df4bf0bb | 1095 | sp->cmd->result = res; |
e315cd28 | 1096 | qla2x00_sp_compl(vha, sp); |
df4bf0bb AV |
1097 | } |
1098 | } | |
1099 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1100 | } | |
1101 | ||
f4f051eb | 1102 | static int |
1103 | qla2xxx_slave_alloc(struct scsi_device *sdev) | |
1da177e4 | 1104 | { |
bdf79621 | 1105 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
1da177e4 | 1106 | |
19a7b4ae | 1107 | if (!rport || fc_remote_port_chkready(rport)) |
f4f051eb | 1108 | return -ENXIO; |
bdf79621 | 1109 | |
19a7b4ae | 1110 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
1da177e4 | 1111 | |
f4f051eb | 1112 | return 0; |
1113 | } | |
1da177e4 | 1114 | |
f4f051eb | 1115 | static int |
1116 | qla2xxx_slave_configure(struct scsi_device *sdev) | |
1117 | { | |
e315cd28 AC |
1118 | scsi_qla_host_t *vha = shost_priv(sdev->host); |
1119 | struct qla_hw_data *ha = vha->hw; | |
8482e118 | 1120 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
1121 | ||
f4f051eb | 1122 | if (sdev->tagged_supported) |
e315cd28 | 1123 | scsi_activate_tcq(sdev, ha->req->max_q_depth); |
f4f051eb | 1124 | else |
e315cd28 | 1125 | scsi_deactivate_tcq(sdev, ha->req->max_q_depth); |
1da177e4 | 1126 | |
85821c90 | 1127 | rport->dev_loss_tmo = ha->port_down_retry_count; |
8482e118 | 1128 | |
f4f051eb | 1129 | return 0; |
1130 | } | |
1da177e4 | 1131 | |
f4f051eb | 1132 | static void |
1133 | qla2xxx_slave_destroy(struct scsi_device *sdev) | |
1134 | { | |
1135 | sdev->hostdata = NULL; | |
1da177e4 LT |
1136 | } |
1137 | ||
ce7e4af7 AV |
1138 | static int |
1139 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1140 | { | |
1141 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); | |
1142 | return sdev->queue_depth; | |
1143 | } | |
1144 | ||
1145 | static int | |
1146 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1147 | { | |
1148 | if (sdev->tagged_supported) { | |
1149 | scsi_set_tag_type(sdev, tag_type); | |
1150 | if (tag_type) | |
1151 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1152 | else | |
1153 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1154 | } else | |
1155 | tag_type = 0; | |
1156 | ||
1157 | return tag_type; | |
1158 | } | |
1159 | ||
1da177e4 LT |
1160 | /** |
1161 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | |
1162 | * @ha: HA context | |
1163 | * | |
1164 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
1165 | * supported addressing method. | |
1166 | */ | |
1167 | static void | |
e315cd28 | 1168 | qla2x00_config_dma_addressing(scsi_qla_host_t *vha) |
1da177e4 | 1169 | { |
e315cd28 | 1170 | struct qla_hw_data *ha = vha->hw; |
7524f9b9 | 1171 | /* Assume a 32bit DMA mask. */ |
1da177e4 | 1172 | ha->flags.enable_64bit_addressing = 0; |
1da177e4 | 1173 | |
7524f9b9 AV |
1174 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
1175 | /* Any upper-dword bits set? */ | |
1176 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | |
1177 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { | |
1178 | /* Ok, a 64bit DMA mask is applicable. */ | |
1da177e4 | 1179 | ha->flags.enable_64bit_addressing = 1; |
fd34f556 AV |
1180 | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; |
1181 | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; | |
7524f9b9 | 1182 | return; |
1da177e4 | 1183 | } |
1da177e4 | 1184 | } |
7524f9b9 AV |
1185 | |
1186 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); | |
1187 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); | |
1da177e4 LT |
1188 | } |
1189 | ||
fd34f556 | 1190 | static void |
e315cd28 | 1191 | qla2x00_enable_intrs(struct qla_hw_data *ha) |
fd34f556 AV |
1192 | { |
1193 | unsigned long flags = 0; | |
1194 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1195 | ||
1196 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1197 | ha->interrupts_on = 1; | |
1198 | /* enable risc and host interrupts */ | |
1199 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | |
1200 | RD_REG_WORD(®->ictrl); | |
1201 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1202 | ||
1203 | } | |
1204 | ||
1205 | static void | |
e315cd28 | 1206 | qla2x00_disable_intrs(struct qla_hw_data *ha) |
fd34f556 AV |
1207 | { |
1208 | unsigned long flags = 0; | |
1209 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | |
1210 | ||
1211 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1212 | ha->interrupts_on = 0; | |
1213 | /* disable risc and host interrupts */ | |
1214 | WRT_REG_WORD(®->ictrl, 0); | |
1215 | RD_REG_WORD(®->ictrl); | |
1216 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1217 | } | |
1218 | ||
1219 | static void | |
e315cd28 | 1220 | qla24xx_enable_intrs(struct qla_hw_data *ha) |
fd34f556 AV |
1221 | { |
1222 | unsigned long flags = 0; | |
1223 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1224 | ||
1225 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1226 | ha->interrupts_on = 1; | |
1227 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | |
1228 | RD_REG_DWORD(®->ictrl); | |
1229 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1230 | } | |
1231 | ||
1232 | static void | |
e315cd28 | 1233 | qla24xx_disable_intrs(struct qla_hw_data *ha) |
fd34f556 AV |
1234 | { |
1235 | unsigned long flags = 0; | |
1236 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1237 | ||
1238 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1239 | ha->interrupts_on = 0; | |
1240 | WRT_REG_DWORD(®->ictrl, 0); | |
1241 | RD_REG_DWORD(®->ictrl); | |
1242 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1243 | } | |
1244 | ||
1245 | static struct isp_operations qla2100_isp_ops = { | |
1246 | .pci_config = qla2100_pci_config, | |
1247 | .reset_chip = qla2x00_reset_chip, | |
1248 | .chip_diag = qla2x00_chip_diag, | |
1249 | .config_rings = qla2x00_config_rings, | |
1250 | .reset_adapter = qla2x00_reset_adapter, | |
1251 | .nvram_config = qla2x00_nvram_config, | |
1252 | .update_fw_options = qla2x00_update_fw_options, | |
1253 | .load_risc = qla2x00_load_risc, | |
1254 | .pci_info_str = qla2x00_pci_info_str, | |
1255 | .fw_version_str = qla2x00_fw_version_str, | |
1256 | .intr_handler = qla2100_intr_handler, | |
1257 | .enable_intrs = qla2x00_enable_intrs, | |
1258 | .disable_intrs = qla2x00_disable_intrs, | |
1259 | .abort_command = qla2x00_abort_command, | |
523ec773 AV |
1260 | .target_reset = qla2x00_abort_target, |
1261 | .lun_reset = qla2x00_lun_reset, | |
fd34f556 AV |
1262 | .fabric_login = qla2x00_login_fabric, |
1263 | .fabric_logout = qla2x00_fabric_logout, | |
1264 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1265 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1266 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1267 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1268 | .read_nvram = qla2x00_read_nvram_data, | |
1269 | .write_nvram = qla2x00_write_nvram_data, | |
1270 | .fw_dump = qla2100_fw_dump, | |
1271 | .beacon_on = NULL, | |
1272 | .beacon_off = NULL, | |
1273 | .beacon_blink = NULL, | |
1274 | .read_optrom = qla2x00_read_optrom_data, | |
1275 | .write_optrom = qla2x00_write_optrom_data, | |
1276 | .get_flash_version = qla2x00_get_flash_version, | |
e315cd28 | 1277 | .start_scsi = qla2x00_start_scsi, |
fd34f556 AV |
1278 | }; |
1279 | ||
1280 | static struct isp_operations qla2300_isp_ops = { | |
1281 | .pci_config = qla2300_pci_config, | |
1282 | .reset_chip = qla2x00_reset_chip, | |
1283 | .chip_diag = qla2x00_chip_diag, | |
1284 | .config_rings = qla2x00_config_rings, | |
1285 | .reset_adapter = qla2x00_reset_adapter, | |
1286 | .nvram_config = qla2x00_nvram_config, | |
1287 | .update_fw_options = qla2x00_update_fw_options, | |
1288 | .load_risc = qla2x00_load_risc, | |
1289 | .pci_info_str = qla2x00_pci_info_str, | |
1290 | .fw_version_str = qla2x00_fw_version_str, | |
1291 | .intr_handler = qla2300_intr_handler, | |
1292 | .enable_intrs = qla2x00_enable_intrs, | |
1293 | .disable_intrs = qla2x00_disable_intrs, | |
1294 | .abort_command = qla2x00_abort_command, | |
523ec773 AV |
1295 | .target_reset = qla2x00_abort_target, |
1296 | .lun_reset = qla2x00_lun_reset, | |
fd34f556 AV |
1297 | .fabric_login = qla2x00_login_fabric, |
1298 | .fabric_logout = qla2x00_fabric_logout, | |
1299 | .calc_req_entries = qla2x00_calc_iocbs_32, | |
1300 | .build_iocbs = qla2x00_build_scsi_iocbs_32, | |
1301 | .prep_ms_iocb = qla2x00_prep_ms_iocb, | |
1302 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, | |
1303 | .read_nvram = qla2x00_read_nvram_data, | |
1304 | .write_nvram = qla2x00_write_nvram_data, | |
1305 | .fw_dump = qla2300_fw_dump, | |
1306 | .beacon_on = qla2x00_beacon_on, | |
1307 | .beacon_off = qla2x00_beacon_off, | |
1308 | .beacon_blink = qla2x00_beacon_blink, | |
1309 | .read_optrom = qla2x00_read_optrom_data, | |
1310 | .write_optrom = qla2x00_write_optrom_data, | |
1311 | .get_flash_version = qla2x00_get_flash_version, | |
e315cd28 | 1312 | .start_scsi = qla2x00_start_scsi, |
fd34f556 AV |
1313 | }; |
1314 | ||
1315 | static struct isp_operations qla24xx_isp_ops = { | |
1316 | .pci_config = qla24xx_pci_config, | |
1317 | .reset_chip = qla24xx_reset_chip, | |
1318 | .chip_diag = qla24xx_chip_diag, | |
1319 | .config_rings = qla24xx_config_rings, | |
1320 | .reset_adapter = qla24xx_reset_adapter, | |
1321 | .nvram_config = qla24xx_nvram_config, | |
1322 | .update_fw_options = qla24xx_update_fw_options, | |
1323 | .load_risc = qla24xx_load_risc, | |
1324 | .pci_info_str = qla24xx_pci_info_str, | |
1325 | .fw_version_str = qla24xx_fw_version_str, | |
1326 | .intr_handler = qla24xx_intr_handler, | |
1327 | .enable_intrs = qla24xx_enable_intrs, | |
1328 | .disable_intrs = qla24xx_disable_intrs, | |
1329 | .abort_command = qla24xx_abort_command, | |
523ec773 AV |
1330 | .target_reset = qla24xx_abort_target, |
1331 | .lun_reset = qla24xx_lun_reset, | |
fd34f556 AV |
1332 | .fabric_login = qla24xx_login_fabric, |
1333 | .fabric_logout = qla24xx_fabric_logout, | |
1334 | .calc_req_entries = NULL, | |
1335 | .build_iocbs = NULL, | |
1336 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1337 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1338 | .read_nvram = qla24xx_read_nvram_data, | |
1339 | .write_nvram = qla24xx_write_nvram_data, | |
1340 | .fw_dump = qla24xx_fw_dump, | |
1341 | .beacon_on = qla24xx_beacon_on, | |
1342 | .beacon_off = qla24xx_beacon_off, | |
1343 | .beacon_blink = qla24xx_beacon_blink, | |
1344 | .read_optrom = qla24xx_read_optrom_data, | |
1345 | .write_optrom = qla24xx_write_optrom_data, | |
1346 | .get_flash_version = qla24xx_get_flash_version, | |
e315cd28 | 1347 | .start_scsi = qla24xx_start_scsi, |
fd34f556 AV |
1348 | }; |
1349 | ||
c3a2f0df AV |
1350 | static struct isp_operations qla25xx_isp_ops = { |
1351 | .pci_config = qla25xx_pci_config, | |
1352 | .reset_chip = qla24xx_reset_chip, | |
1353 | .chip_diag = qla24xx_chip_diag, | |
1354 | .config_rings = qla24xx_config_rings, | |
1355 | .reset_adapter = qla24xx_reset_adapter, | |
1356 | .nvram_config = qla24xx_nvram_config, | |
1357 | .update_fw_options = qla24xx_update_fw_options, | |
1358 | .load_risc = qla24xx_load_risc, | |
1359 | .pci_info_str = qla24xx_pci_info_str, | |
1360 | .fw_version_str = qla24xx_fw_version_str, | |
1361 | .intr_handler = qla24xx_intr_handler, | |
1362 | .enable_intrs = qla24xx_enable_intrs, | |
1363 | .disable_intrs = qla24xx_disable_intrs, | |
1364 | .abort_command = qla24xx_abort_command, | |
523ec773 AV |
1365 | .target_reset = qla24xx_abort_target, |
1366 | .lun_reset = qla24xx_lun_reset, | |
c3a2f0df AV |
1367 | .fabric_login = qla24xx_login_fabric, |
1368 | .fabric_logout = qla24xx_fabric_logout, | |
1369 | .calc_req_entries = NULL, | |
1370 | .build_iocbs = NULL, | |
1371 | .prep_ms_iocb = qla24xx_prep_ms_iocb, | |
1372 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, | |
1373 | .read_nvram = qla25xx_read_nvram_data, | |
1374 | .write_nvram = qla25xx_write_nvram_data, | |
1375 | .fw_dump = qla25xx_fw_dump, | |
1376 | .beacon_on = qla24xx_beacon_on, | |
1377 | .beacon_off = qla24xx_beacon_off, | |
1378 | .beacon_blink = qla24xx_beacon_blink, | |
338c9161 | 1379 | .read_optrom = qla25xx_read_optrom_data, |
c3a2f0df AV |
1380 | .write_optrom = qla24xx_write_optrom_data, |
1381 | .get_flash_version = qla24xx_get_flash_version, | |
e315cd28 | 1382 | .start_scsi = qla24xx_start_scsi, |
c3a2f0df AV |
1383 | }; |
1384 | ||
ea5b6382 | 1385 | static inline void |
e315cd28 | 1386 | qla2x00_set_isp_flags(struct qla_hw_data *ha) |
ea5b6382 | 1387 | { |
1388 | ha->device_type = DT_EXTENDED_IDS; | |
1389 | switch (ha->pdev->device) { | |
1390 | case PCI_DEVICE_ID_QLOGIC_ISP2100: | |
1391 | ha->device_type |= DT_ISP2100; | |
1392 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1393 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 | 1394 | break; |
1395 | case PCI_DEVICE_ID_QLOGIC_ISP2200: | |
1396 | ha->device_type |= DT_ISP2200; | |
1397 | ha->device_type &= ~DT_EXTENDED_IDS; | |
441d1072 | 1398 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
ea5b6382 | 1399 | break; |
1400 | case PCI_DEVICE_ID_QLOGIC_ISP2300: | |
1401 | ha->device_type |= DT_ISP2300; | |
4a59f71d | 1402 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1403 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1404 | break; |
1405 | case PCI_DEVICE_ID_QLOGIC_ISP2312: | |
1406 | ha->device_type |= DT_ISP2312; | |
4a59f71d | 1407 | ha->device_type |= DT_ZIO_SUPPORTED; |
441d1072 | 1408 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1409 | break; |
1410 | case PCI_DEVICE_ID_QLOGIC_ISP2322: | |
1411 | ha->device_type |= DT_ISP2322; | |
4a59f71d | 1412 | ha->device_type |= DT_ZIO_SUPPORTED; |
ea5b6382 | 1413 | if (ha->pdev->subsystem_vendor == 0x1028 && |
1414 | ha->pdev->subsystem_device == 0x0170) | |
1415 | ha->device_type |= DT_OEM_001; | |
441d1072 | 1416 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1417 | break; |
1418 | case PCI_DEVICE_ID_QLOGIC_ISP6312: | |
1419 | ha->device_type |= DT_ISP6312; | |
441d1072 | 1420 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1421 | break; |
1422 | case PCI_DEVICE_ID_QLOGIC_ISP6322: | |
1423 | ha->device_type |= DT_ISP6322; | |
441d1072 | 1424 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
ea5b6382 | 1425 | break; |
1426 | case PCI_DEVICE_ID_QLOGIC_ISP2422: | |
1427 | ha->device_type |= DT_ISP2422; | |
4a59f71d | 1428 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1429 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1430 | ha->device_type |= DT_IIDMA; |
441d1072 | 1431 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1432 | break; |
1433 | case PCI_DEVICE_ID_QLOGIC_ISP2432: | |
1434 | ha->device_type |= DT_ISP2432; | |
4a59f71d | 1435 | ha->device_type |= DT_ZIO_SUPPORTED; |
e428924c | 1436 | ha->device_type |= DT_FWI2; |
c76f2c01 | 1437 | ha->device_type |= DT_IIDMA; |
441d1072 | 1438 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1439 | break; |
4d4df193 HK |
1440 | case PCI_DEVICE_ID_QLOGIC_ISP8432: |
1441 | ha->device_type |= DT_ISP8432; | |
1442 | ha->device_type |= DT_ZIO_SUPPORTED; | |
1443 | ha->device_type |= DT_FWI2; | |
1444 | ha->device_type |= DT_IIDMA; | |
1445 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | |
1446 | break; | |
044cc6c8 | 1447 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
1448 | ha->device_type |= DT_ISP5422; | |
e428924c | 1449 | ha->device_type |= DT_FWI2; |
441d1072 | 1450 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1451 | break; |
044cc6c8 | 1452 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
1453 | ha->device_type |= DT_ISP5432; | |
e428924c | 1454 | ha->device_type |= DT_FWI2; |
441d1072 | 1455 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1456 | break; |
c3a2f0df AV |
1457 | case PCI_DEVICE_ID_QLOGIC_ISP2532: |
1458 | ha->device_type |= DT_ISP2532; | |
1459 | ha->device_type |= DT_ZIO_SUPPORTED; | |
1460 | ha->device_type |= DT_FWI2; | |
1461 | ha->device_type |= DT_IIDMA; | |
441d1072 | 1462 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
ea5b6382 | 1463 | break; |
1464 | } | |
1465 | } | |
1466 | ||
1da177e4 | 1467 | static int |
e315cd28 | 1468 | qla2x00_iospace_config(struct qla_hw_data *ha) |
1da177e4 | 1469 | { |
3776541d | 1470 | resource_size_t pio; |
1da177e4 | 1471 | |
285d0321 AV |
1472 | if (pci_request_selected_regions(ha->pdev, ha->bars, |
1473 | QLA2XXX_DRIVER_NAME)) { | |
1474 | qla_printk(KERN_WARNING, ha, | |
1475 | "Failed to reserve PIO/MMIO regions (%s)\n", | |
1476 | pci_name(ha->pdev)); | |
1477 | ||
1478 | goto iospace_error_exit; | |
1479 | } | |
1480 | if (!(ha->bars & 1)) | |
1481 | goto skip_pio; | |
1482 | ||
1da177e4 LT |
1483 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
1484 | pio = pci_resource_start(ha->pdev, 0); | |
3776541d AV |
1485 | if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { |
1486 | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { | |
1da177e4 LT |
1487 | qla_printk(KERN_WARNING, ha, |
1488 | "Invalid PCI I/O region size (%s)...\n", | |
1489 | pci_name(ha->pdev)); | |
1490 | pio = 0; | |
1491 | } | |
1492 | } else { | |
1493 | qla_printk(KERN_WARNING, ha, | |
1494 | "region #0 not a PIO resource (%s)...\n", | |
1495 | pci_name(ha->pdev)); | |
1496 | pio = 0; | |
1497 | } | |
285d0321 | 1498 | ha->pio_address = pio; |
1da177e4 | 1499 | |
285d0321 | 1500 | skip_pio: |
1da177e4 | 1501 | /* Use MMIO operations for all accesses. */ |
3776541d | 1502 | if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
1da177e4 | 1503 | qla_printk(KERN_ERR, ha, |
3776541d | 1504 | "region #1 not an MMIO resource (%s), aborting\n", |
1da177e4 LT |
1505 | pci_name(ha->pdev)); |
1506 | goto iospace_error_exit; | |
1507 | } | |
3776541d | 1508 | if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { |
1da177e4 LT |
1509 | qla_printk(KERN_ERR, ha, |
1510 | "Invalid PCI mem region size (%s), aborting\n", | |
1511 | pci_name(ha->pdev)); | |
1512 | goto iospace_error_exit; | |
1513 | } | |
1514 | ||
3776541d | 1515 | ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); |
1da177e4 LT |
1516 | if (!ha->iobase) { |
1517 | qla_printk(KERN_ERR, ha, | |
1518 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); | |
1519 | ||
1520 | goto iospace_error_exit; | |
1521 | } | |
1522 | ||
1523 | return (0); | |
1524 | ||
1525 | iospace_error_exit: | |
1526 | return (-ENOMEM); | |
1527 | } | |
1528 | ||
1e99e33a AV |
1529 | static void |
1530 | qla2xxx_scan_start(struct Scsi_Host *shost) | |
1531 | { | |
e315cd28 | 1532 | scsi_qla_host_t *vha = shost_priv(shost); |
1e99e33a | 1533 | |
e315cd28 AC |
1534 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
1535 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1536 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
1537 | set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); | |
1e99e33a AV |
1538 | } |
1539 | ||
1540 | static int | |
1541 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
1542 | { | |
e315cd28 | 1543 | scsi_qla_host_t *vha = shost_priv(shost); |
1e99e33a | 1544 | |
e315cd28 | 1545 | if (!vha->host) |
1e99e33a | 1546 | return 1; |
e315cd28 | 1547 | if (time > vha->hw->loop_reset_delay * HZ) |
1e99e33a AV |
1548 | return 1; |
1549 | ||
e315cd28 | 1550 | return atomic_read(&vha->loop_state) == LOOP_READY; |
1e99e33a AV |
1551 | } |
1552 | ||
1da177e4 LT |
1553 | /* |
1554 | * PCI driver interface | |
1555 | */ | |
7ee61397 AV |
1556 | static int __devinit |
1557 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
1da177e4 | 1558 | { |
a1541d5a | 1559 | int ret = -ENODEV; |
1da177e4 | 1560 | struct Scsi_Host *host; |
e315cd28 AC |
1561 | scsi_qla_host_t *base_vha = NULL; |
1562 | struct qla_hw_data *ha; | |
29856e28 | 1563 | char pci_info[30]; |
1da177e4 | 1564 | char fw_str[30]; |
5433383e | 1565 | struct scsi_host_template *sht; |
e315cd28 AC |
1566 | int bars, mem_only, max_id = 0; |
1567 | uint16_t req_length = 0, rsp_length = 0; | |
1da177e4 | 1568 | |
285d0321 | 1569 | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
5433383e AV |
1570 | sht = &qla2x00_driver_template; |
1571 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | |
8bc69e7d | 1572 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
4d4df193 | 1573 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || |
8bc69e7d | 1574 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || |
c3a2f0df | 1575 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || |
285d0321 AV |
1576 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) { |
1577 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
5433383e | 1578 | sht = &qla24xx_driver_template; |
09483916 | 1579 | mem_only = 1; |
285d0321 AV |
1580 | } |
1581 | ||
09483916 BH |
1582 | if (mem_only) { |
1583 | if (pci_enable_device_mem(pdev)) | |
1584 | goto probe_out; | |
1585 | } else { | |
1586 | if (pci_enable_device(pdev)) | |
1587 | goto probe_out; | |
1588 | } | |
285d0321 | 1589 | |
0927678f JB |
1590 | /* This may fail but that's ok */ |
1591 | pci_enable_pcie_error_reporting(pdev); | |
285d0321 | 1592 | |
e315cd28 AC |
1593 | ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); |
1594 | if (!ha) { | |
1595 | DEBUG(printk("Unable to allocate memory for ha\n")); | |
1596 | goto probe_out; | |
1da177e4 | 1597 | } |
e315cd28 | 1598 | ha->pdev = pdev; |
1da177e4 LT |
1599 | |
1600 | /* Clear our data area */ | |
285d0321 | 1601 | ha->bars = bars; |
09483916 | 1602 | ha->mem_only = mem_only; |
df4bf0bb | 1603 | spin_lock_init(&ha->hardware_lock); |
1da177e4 | 1604 | |
ea5b6382 | 1605 | /* Set ISP-type information. */ |
1606 | qla2x00_set_isp_flags(ha); | |
1da177e4 LT |
1607 | /* Configure PCI I/O space */ |
1608 | ret = qla2x00_iospace_config(ha); | |
a1541d5a | 1609 | if (ret) |
e315cd28 | 1610 | goto probe_hw_failed; |
1da177e4 | 1611 | |
1da177e4 | 1612 | qla_printk(KERN_INFO, ha, |
5433383e AV |
1613 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
1614 | ha->iobase); | |
1da177e4 | 1615 | |
1da177e4 | 1616 | ha->prev_topology = 0; |
fca29703 | 1617 | ha->init_cb_size = sizeof(init_cb_t); |
d8b45213 | 1618 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
854165f4 | 1619 | ha->optrom_size = OPTROM_SIZE_2300; |
1da177e4 | 1620 | |
abbd8870 | 1621 | /* Assign ISP specific operations. */ |
e315cd28 | 1622 | max_id = MAX_TARGETS_2200; |
1da177e4 | 1623 | if (IS_QLA2100(ha)) { |
e315cd28 | 1624 | max_id = MAX_TARGETS_2100; |
1da177e4 | 1625 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
e315cd28 AC |
1626 | req_length = REQUEST_ENTRY_CNT_2100; |
1627 | rsp_length = RESPONSE_ENTRY_CNT_2100; | |
1628 | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1629 | ha->gid_list_info_size = 4; |
fd34f556 | 1630 | ha->isp_ops = &qla2100_isp_ops; |
1da177e4 | 1631 | } else if (IS_QLA2200(ha)) { |
1da177e4 | 1632 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
e315cd28 AC |
1633 | req_length = REQUEST_ENTRY_CNT_2200; |
1634 | rsp_length = RESPONSE_ENTRY_CNT_2100; | |
1635 | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; | |
abbd8870 | 1636 | ha->gid_list_info_size = 4; |
fd34f556 | 1637 | ha->isp_ops = &qla2100_isp_ops; |
fca29703 | 1638 | } else if (IS_QLA23XX(ha)) { |
1da177e4 | 1639 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
e315cd28 AC |
1640 | req_length = REQUEST_ENTRY_CNT_2200; |
1641 | rsp_length = RESPONSE_ENTRY_CNT_2300; | |
1642 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | |
abbd8870 | 1643 | ha->gid_list_info_size = 6; |
854165f4 | 1644 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
1645 | ha->optrom_size = OPTROM_SIZE_2322; | |
fd34f556 | 1646 | ha->isp_ops = &qla2300_isp_ops; |
4d4df193 | 1647 | } else if (IS_QLA24XX_TYPE(ha)) { |
fca29703 | 1648 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
e315cd28 AC |
1649 | req_length = REQUEST_ENTRY_CNT_24XX; |
1650 | rsp_length = RESPONSE_ENTRY_CNT_2300; | |
1651 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | |
2c3dfe3f | 1652 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
fca29703 | 1653 | ha->gid_list_info_size = 8; |
854165f4 | 1654 | ha->optrom_size = OPTROM_SIZE_24XX; |
fd34f556 | 1655 | ha->isp_ops = &qla24xx_isp_ops; |
c3a2f0df | 1656 | } else if (IS_QLA25XX(ha)) { |
c3a2f0df | 1657 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
e315cd28 AC |
1658 | req_length = REQUEST_ENTRY_CNT_24XX; |
1659 | rsp_length = RESPONSE_ENTRY_CNT_2300; | |
1660 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | |
c3a2f0df | 1661 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
c3a2f0df AV |
1662 | ha->gid_list_info_size = 8; |
1663 | ha->optrom_size = OPTROM_SIZE_25XX; | |
1664 | ha->isp_ops = &qla25xx_isp_ops; | |
1da177e4 | 1665 | } |
1da177e4 | 1666 | |
6c2f527c | 1667 | mutex_init(&ha->vport_lock); |
0b05a1f0 MB |
1668 | init_completion(&ha->mbx_cmd_comp); |
1669 | complete(&ha->mbx_cmd_comp); | |
1670 | init_completion(&ha->mbx_intr_comp); | |
1da177e4 | 1671 | |
2c3dfe3f | 1672 | set_bit(0, (unsigned long *) ha->vp_idx_map); |
1da177e4 | 1673 | |
e315cd28 AC |
1674 | ret = qla2x00_mem_alloc(ha, req_length, rsp_length); |
1675 | if (!ret) { | |
1da177e4 LT |
1676 | qla_printk(KERN_WARNING, ha, |
1677 | "[ERROR] Failed to allocate memory for adapter\n"); | |
1678 | ||
e315cd28 AC |
1679 | goto probe_hw_failed; |
1680 | } | |
1681 | ||
1682 | ha->req->max_q_depth = MAX_Q_DEPTH; | |
1683 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | |
1684 | ha->req->max_q_depth = ql2xmaxqdepth; | |
1685 | ||
1686 | base_vha = qla2x00_create_host(sht, ha); | |
1687 | if (!base_vha) { | |
1688 | qla_printk(KERN_WARNING, ha, | |
1689 | "[ERROR] Failed to allocate memory for scsi_host\n"); | |
1690 | ||
a1541d5a | 1691 | ret = -ENOMEM; |
e315cd28 | 1692 | goto probe_hw_failed; |
1da177e4 LT |
1693 | } |
1694 | ||
e315cd28 AC |
1695 | pci_set_drvdata(pdev, base_vha); |
1696 | ||
1697 | qla2x00_config_dma_addressing(base_vha); | |
1698 | ||
1699 | host = base_vha->host; | |
1700 | host->can_queue = ha->req->length + 128; | |
1701 | if (IS_QLA2XXX_MIDTYPE(ha)) { | |
1702 | base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx; | |
1703 | } else { | |
1704 | base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + | |
1705 | base_vha->vp_idx; | |
1706 | } | |
1707 | if (IS_QLA2100(ha)) | |
1708 | host->sg_tablesize = 32; | |
1709 | host->max_id = max_id; | |
1710 | host->this_id = 255; | |
1711 | host->cmd_per_lun = 3; | |
1712 | host->unique_id = host->host_no; | |
1713 | host->max_cmd_len = MAX_CMDSZ; | |
1714 | host->max_channel = MAX_BUSES - 1; | |
1715 | host->max_lun = MAX_LUNS; | |
1716 | host->transportt = qla2xxx_transport_template; | |
1717 | ||
1718 | if (qla2x00_initialize_adapter(base_vha)) { | |
1da177e4 LT |
1719 | qla_printk(KERN_WARNING, ha, |
1720 | "Failed to initialize adapter\n"); | |
1721 | ||
1722 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " | |
1723 | "Adapter flags %x.\n", | |
e315cd28 | 1724 | base_vha->host_no, base_vha->device_flags)); |
1da177e4 | 1725 | |
a1541d5a | 1726 | ret = -ENODEV; |
1da177e4 LT |
1727 | goto probe_failed; |
1728 | } | |
1729 | ||
e315cd28 AC |
1730 | /* Set up the irqs */ |
1731 | ret = qla2x00_request_irqs(ha); | |
1732 | if (ret) | |
1733 | goto probe_failed; | |
1734 | ||
1da177e4 LT |
1735 | /* |
1736 | * Startup the kernel thread for this host adapter | |
1737 | */ | |
39a11240 | 1738 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
e315cd28 | 1739 | "%s_dpc", base_vha->host_str); |
39a11240 | 1740 | if (IS_ERR(ha->dpc_thread)) { |
1da177e4 LT |
1741 | qla_printk(KERN_WARNING, ha, |
1742 | "Unable to start DPC thread!\n"); | |
39a11240 | 1743 | ret = PTR_ERR(ha->dpc_thread); |
1da177e4 LT |
1744 | goto probe_failed; |
1745 | } | |
1da177e4 | 1746 | |
e315cd28 AC |
1747 | list_add_tail(&base_vha->list, &ha->vp_list); |
1748 | base_vha->host->irq = ha->pdev->irq; | |
1da177e4 LT |
1749 | |
1750 | /* Initialized the timer */ | |
e315cd28 | 1751 | qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); |
1da177e4 LT |
1752 | |
1753 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", | |
e315cd28 | 1754 | base_vha->host_no, ha)); |
d19044c3 | 1755 | |
e315cd28 AC |
1756 | base_vha->flags.init_done = 1; |
1757 | base_vha->flags.online = 1; | |
d19044c3 | 1758 | |
a1541d5a AV |
1759 | ret = scsi_add_host(host, &pdev->dev); |
1760 | if (ret) | |
1761 | goto probe_failed; | |
1762 | ||
048feec5 AV |
1763 | ha->isp_ops->enable_intrs(ha); |
1764 | ||
1e99e33a AV |
1765 | scsi_scan_host(host); |
1766 | ||
e315cd28 | 1767 | qla2x00_alloc_sysfs_attr(base_vha); |
a1541d5a | 1768 | |
e315cd28 | 1769 | qla2x00_init_host_attr(base_vha); |
a1541d5a | 1770 | |
e315cd28 | 1771 | qla2x00_dfs_setup(base_vha); |
df613b96 | 1772 | |
1da177e4 LT |
1773 | qla_printk(KERN_INFO, ha, "\n" |
1774 | " QLogic Fibre Channel HBA Driver: %s\n" | |
1775 | " QLogic %s - %s\n" | |
5433383e AV |
1776 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
1777 | qla2x00_version_str, ha->model_number, | |
e315cd28 AC |
1778 | ha->model_desc ? ha->model_desc : "", pdev->device, |
1779 | ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev), | |
1780 | ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no, | |
1781 | ha->isp_ops->fw_version_str(base_vha, fw_str)); | |
1da177e4 | 1782 | |
1da177e4 LT |
1783 | return 0; |
1784 | ||
1785 | probe_failed: | |
e315cd28 | 1786 | qla2x00_free_device(base_vha); |
1da177e4 | 1787 | |
e315cd28 | 1788 | scsi_host_put(base_vha->host); |
1da177e4 | 1789 | |
e315cd28 AC |
1790 | probe_hw_failed: |
1791 | if (ha->iobase) | |
1792 | iounmap(ha->iobase); | |
1793 | ||
1794 | pci_release_selected_regions(ha->pdev, ha->bars); | |
1795 | kfree(ha); | |
1796 | ha = NULL; | |
1da177e4 | 1797 | |
a1541d5a | 1798 | probe_out: |
e315cd28 | 1799 | pci_disable_device(pdev); |
a1541d5a | 1800 | return ret; |
1da177e4 | 1801 | } |
1da177e4 | 1802 | |
4c993f76 | 1803 | static void |
7ee61397 | 1804 | qla2x00_remove_one(struct pci_dev *pdev) |
1da177e4 | 1805 | { |
e315cd28 AC |
1806 | scsi_qla_host_t *base_vha, *vha, *temp; |
1807 | struct qla_hw_data *ha; | |
1808 | ||
1809 | base_vha = pci_get_drvdata(pdev); | |
1810 | ha = base_vha->hw; | |
1811 | ||
1812 | list_for_each_entry_safe(vha, temp, &ha->vp_list, list) { | |
1813 | if (vha && vha->fc_vport) | |
1814 | fc_vport_terminate(vha->fc_vport); | |
1815 | } | |
1da177e4 | 1816 | |
e315cd28 | 1817 | set_bit(UNLOADING, &base_vha->dpc_flags); |
1da177e4 | 1818 | |
e315cd28 | 1819 | qla2x00_dfs_remove(base_vha); |
c795c1e4 | 1820 | |
e315cd28 | 1821 | qla84xx_put_chip(base_vha); |
c795c1e4 | 1822 | |
e315cd28 | 1823 | qla2x00_free_sysfs_attr(base_vha); |
df613b96 | 1824 | |
e315cd28 | 1825 | fc_remove_host(base_vha->host); |
4d4df193 | 1826 | |
e315cd28 | 1827 | scsi_remove_host(base_vha->host); |
1da177e4 | 1828 | |
e315cd28 | 1829 | qla2x00_free_device(base_vha); |
bdf79621 | 1830 | |
e315cd28 | 1831 | scsi_host_put(base_vha->host); |
1da177e4 | 1832 | |
e315cd28 AC |
1833 | if (ha->iobase) |
1834 | iounmap(ha->iobase); | |
1da177e4 | 1835 | |
e315cd28 AC |
1836 | pci_release_selected_regions(ha->pdev, ha->bars); |
1837 | kfree(ha); | |
1838 | ha = NULL; | |
1da177e4 | 1839 | |
665db93b | 1840 | pci_disable_device(pdev); |
1da177e4 LT |
1841 | pci_set_drvdata(pdev, NULL); |
1842 | } | |
1da177e4 LT |
1843 | |
1844 | static void | |
e315cd28 | 1845 | qla2x00_free_device(scsi_qla_host_t *vha) |
1da177e4 | 1846 | { |
e315cd28 AC |
1847 | struct qla_hw_data *ha = vha->hw; |
1848 | qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); | |
df4bf0bb | 1849 | |
1da177e4 | 1850 | /* Disable timer */ |
e315cd28 AC |
1851 | if (vha->timer_active) |
1852 | qla2x00_stop_timer(vha); | |
1da177e4 | 1853 | |
e315cd28 | 1854 | vha->flags.online = 0; |
df4bf0bb | 1855 | |
1da177e4 | 1856 | /* Kill the kernel thread for this host */ |
39a11240 CH |
1857 | if (ha->dpc_thread) { |
1858 | struct task_struct *t = ha->dpc_thread; | |
1da177e4 | 1859 | |
39a11240 CH |
1860 | /* |
1861 | * qla2xxx_wake_dpc checks for ->dpc_thread | |
1862 | * so we need to zero it out. | |
1863 | */ | |
1864 | ha->dpc_thread = NULL; | |
1865 | kthread_stop(t); | |
1da177e4 LT |
1866 | } |
1867 | ||
df613b96 | 1868 | if (ha->flags.fce_enabled) |
e315cd28 | 1869 | qla2x00_disable_fce_trace(vha, NULL, NULL); |
df613b96 | 1870 | |
a7a167bf | 1871 | if (ha->eft) |
e315cd28 | 1872 | qla2x00_disable_eft_trace(vha); |
a7a167bf | 1873 | |
f6ef3b18 | 1874 | /* Stop currently executing firmware. */ |
e315cd28 | 1875 | qla2x00_try_to_stop_firmware(vha); |
1da177e4 | 1876 | |
f6ef3b18 AV |
1877 | /* turn-off interrupts on the card */ |
1878 | if (ha->interrupts_on) | |
fd34f556 | 1879 | ha->isp_ops->disable_intrs(ha); |
f6ef3b18 | 1880 | |
e315cd28 | 1881 | qla2x00_free_irqs(vha); |
1da177e4 | 1882 | |
e315cd28 | 1883 | qla2x00_mem_free(ha); |
1da177e4 LT |
1884 | } |
1885 | ||
d97994dc | 1886 | static inline void |
e315cd28 | 1887 | qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, |
d97994dc | 1888 | int defer) |
1889 | { | |
d97994dc | 1890 | struct fc_rport *rport; |
1891 | ||
1892 | if (!fcport->rport) | |
1893 | return; | |
1894 | ||
1895 | rport = fcport->rport; | |
1896 | if (defer) { | |
e315cd28 | 1897 | spin_lock_irq(vha->host->host_lock); |
d97994dc | 1898 | fcport->drport = rport; |
e315cd28 AC |
1899 | spin_unlock_irq(vha->host->host_lock); |
1900 | set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
1901 | qla2xxx_wake_dpc(vha); | |
5f3a9a20 | 1902 | } else |
d97994dc | 1903 | fc_remote_port_delete(rport); |
d97994dc | 1904 | } |
1905 | ||
1da177e4 LT |
1906 | /* |
1907 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | |
1908 | * | |
1909 | * Input: ha = adapter block pointer. fcport = port structure pointer. | |
1910 | * | |
1911 | * Return: None. | |
1912 | * | |
1913 | * Context: | |
1914 | */ | |
e315cd28 | 1915 | void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, |
d97994dc | 1916 | int do_login, int defer) |
1da177e4 | 1917 | { |
2c3dfe3f | 1918 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
e315cd28 AC |
1919 | vha->vp_idx == fcport->vp_idx) { |
1920 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1921 | qla2x00_schedule_rport_del(vha, fcport, defer); | |
1922 | } | |
fa2a1ce5 | 1923 | /* |
1da177e4 LT |
1924 | * We may need to retry the login, so don't change the state of the |
1925 | * port but do the retries. | |
1926 | */ | |
1927 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | |
1928 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1929 | ||
1930 | if (!do_login) | |
1931 | return; | |
1932 | ||
1933 | if (fcport->login_retry == 0) { | |
e315cd28 AC |
1934 | fcport->login_retry = vha->hw->login_retry_count; |
1935 | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
1936 | |
1937 | DEBUG(printk("scsi(%ld): Port login retry: " | |
1938 | "%02x%02x%02x%02x%02x%02x%02x%02x, " | |
1939 | "id = 0x%04x retry cnt=%d\n", | |
e315cd28 | 1940 | vha->host_no, |
1da177e4 LT |
1941 | fcport->port_name[0], |
1942 | fcport->port_name[1], | |
1943 | fcport->port_name[2], | |
1944 | fcport->port_name[3], | |
1945 | fcport->port_name[4], | |
1946 | fcport->port_name[5], | |
1947 | fcport->port_name[6], | |
1948 | fcport->port_name[7], | |
1949 | fcport->loop_id, | |
1950 | fcport->login_retry)); | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | /* | |
1955 | * qla2x00_mark_all_devices_lost | |
1956 | * Updates fcport state when device goes offline. | |
1957 | * | |
1958 | * Input: | |
1959 | * ha = adapter block pointer. | |
1960 | * fcport = port structure pointer. | |
1961 | * | |
1962 | * Return: | |
1963 | * None. | |
1964 | * | |
1965 | * Context: | |
1966 | */ | |
1967 | void | |
e315cd28 | 1968 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer) |
1da177e4 LT |
1969 | { |
1970 | fc_port_t *fcport; | |
1971 | ||
e315cd28 AC |
1972 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
1973 | if (vha->vp_idx != fcport->vp_idx) | |
1da177e4 | 1974 | continue; |
1da177e4 LT |
1975 | /* |
1976 | * No point in marking the device as lost, if the device is | |
1977 | * already DEAD. | |
1978 | */ | |
1979 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | |
1980 | continue; | |
e315cd28 AC |
1981 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
1982 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1983 | qla2x00_schedule_rport_del(vha, fcport, defer); | |
1984 | } else | |
1985 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1da177e4 LT |
1986 | } |
1987 | } | |
1988 | ||
1989 | /* | |
1990 | * qla2x00_mem_alloc | |
1991 | * Allocates adapter memory. | |
1992 | * | |
1993 | * Returns: | |
1994 | * 0 = success. | |
e8711085 | 1995 | * !0 = failure. |
1da177e4 | 1996 | */ |
e8711085 | 1997 | static int |
e315cd28 | 1998 | qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len) |
1da177e4 LT |
1999 | { |
2000 | char name[16]; | |
e315cd28 AC |
2001 | struct req_que *req = NULL; |
2002 | struct rsp_que *rsp = NULL; | |
1da177e4 | 2003 | |
e315cd28 AC |
2004 | ha->init_cb_size = sizeof(init_cb_t); |
2005 | if (IS_QLA2XXX_MIDTYPE(ha)) | |
2006 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); | |
e8711085 AV |
2007 | |
2008 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, | |
e315cd28 | 2009 | &ha->init_cb_dma, GFP_KERNEL); |
e8711085 | 2010 | if (!ha->init_cb) |
e315cd28 | 2011 | goto fail; |
e8711085 | 2012 | |
e315cd28 AC |
2013 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
2014 | &ha->gid_list_dma, GFP_KERNEL); | |
2015 | if (!ha->gid_list) | |
e8711085 | 2016 | goto fail_free_init_cb; |
1da177e4 | 2017 | |
e8711085 AV |
2018 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
2019 | if (!ha->srb_mempool) | |
e315cd28 | 2020 | goto fail_free_gid_list; |
e8711085 AV |
2021 | |
2022 | /* Get memory for cached NVRAM */ | |
2023 | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); | |
2024 | if (!ha->nvram) | |
2025 | goto fail_free_srb_mempool; | |
2026 | ||
e315cd28 AC |
2027 | snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, |
2028 | ha->pdev->device); | |
2029 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | |
2030 | DMA_POOL_SIZE, 8, 0); | |
2031 | if (!ha->s_dma_pool) | |
2032 | goto fail_free_nvram; | |
2033 | ||
e8711085 AV |
2034 | /* Allocate memory for SNS commands */ |
2035 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
e315cd28 | 2036 | /* Get consistent memory allocated for SNS commands */ |
e8711085 | 2037 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, |
e315cd28 | 2038 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); |
e8711085 | 2039 | if (!ha->sns_cmd) |
e315cd28 | 2040 | goto fail_dma_pool; |
e8711085 | 2041 | } else { |
e315cd28 | 2042 | /* Get consistent memory allocated for MS IOCB */ |
e8711085 | 2043 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
e315cd28 | 2044 | &ha->ms_iocb_dma); |
e8711085 | 2045 | if (!ha->ms_iocb) |
e315cd28 AC |
2046 | goto fail_dma_pool; |
2047 | /* Get consistent memory allocated for CT SNS commands */ | |
e8711085 | 2048 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, |
e315cd28 | 2049 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); |
e8711085 AV |
2050 | if (!ha->ct_sns) |
2051 | goto fail_free_ms_iocb; | |
1da177e4 LT |
2052 | } |
2053 | ||
e315cd28 AC |
2054 | /* Allocate memory for request ring */ |
2055 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
2056 | if (!req) { | |
2057 | DEBUG(printk("Unable to allocate memory for req\n")); | |
2058 | goto fail_req; | |
2059 | } | |
2060 | ha->req = req; | |
2061 | req->length = req_len; | |
2062 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
2063 | (req->length + 1) * sizeof(request_t), | |
2064 | &req->dma, GFP_KERNEL); | |
2065 | if (!req->ring) { | |
2066 | DEBUG(printk("Unable to allocate memory for req_ring\n")); | |
2067 | goto fail_req_ring; | |
2068 | } | |
2069 | /* Allocate memory for response ring */ | |
2070 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
2071 | if (!rsp) { | |
2072 | DEBUG(printk("Unable to allocate memory for rsp\n")); | |
2073 | goto fail_rsp; | |
2074 | } | |
2075 | ha->rsp = rsp; | |
2076 | rsp->hw = ha; | |
2077 | rsp->length = rsp_len; | |
2078 | ||
2079 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, | |
2080 | (rsp->length + 1) * sizeof(response_t), | |
2081 | &rsp->dma, GFP_KERNEL); | |
2082 | if (!rsp->ring) { | |
2083 | DEBUG(printk("Unable to allocate memory for rsp_ring\n")); | |
2084 | goto fail_rsp_ring; | |
2085 | } | |
e8711085 | 2086 | |
e315cd28 AC |
2087 | INIT_LIST_HEAD(&ha->vp_list); |
2088 | return 1; | |
2089 | ||
2090 | fail_rsp_ring: | |
2091 | kfree(rsp); | |
2092 | ha->rsp = NULL; | |
2093 | fail_rsp: | |
2094 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
2095 | sizeof(request_t), req->ring, req->dma); | |
2096 | req->ring = NULL; | |
2097 | req->dma = 0; | |
2098 | fail_req_ring: | |
2099 | kfree(req); | |
2100 | ha->req = NULL; | |
2101 | fail_req: | |
2102 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
2103 | ha->ct_sns, ha->ct_sns_dma); | |
2104 | ha->ct_sns = NULL; | |
2105 | ha->ct_sns_dma = 0; | |
e8711085 AV |
2106 | fail_free_ms_iocb: |
2107 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2108 | ha->ms_iocb = NULL; | |
2109 | ha->ms_iocb_dma = 0; | |
e315cd28 AC |
2110 | fail_dma_pool: |
2111 | dma_pool_destroy(ha->s_dma_pool); | |
2112 | ha->s_dma_pool = NULL; | |
e8711085 AV |
2113 | fail_free_nvram: |
2114 | kfree(ha->nvram); | |
2115 | ha->nvram = NULL; | |
2116 | fail_free_srb_mempool: | |
2117 | mempool_destroy(ha->srb_mempool); | |
2118 | ha->srb_mempool = NULL; | |
e8711085 AV |
2119 | fail_free_gid_list: |
2120 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
e315cd28 | 2121 | ha->gid_list_dma); |
e8711085 AV |
2122 | ha->gid_list = NULL; |
2123 | ha->gid_list_dma = 0; | |
e315cd28 AC |
2124 | fail_free_init_cb: |
2125 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, | |
2126 | ha->init_cb_dma); | |
2127 | ha->init_cb = NULL; | |
2128 | ha->init_cb_dma = 0; | |
e8711085 | 2129 | fail: |
e315cd28 | 2130 | DEBUG(printk("%s: Memory allocation failure\n", __func__)); |
e8711085 | 2131 | return -ENOMEM; |
1da177e4 LT |
2132 | } |
2133 | ||
2134 | /* | |
2135 | * qla2x00_mem_free | |
2136 | * Frees all adapter allocated memory. | |
2137 | * | |
2138 | * Input: | |
2139 | * ha = adapter block pointer. | |
2140 | */ | |
a824ebb3 | 2141 | static void |
e315cd28 | 2142 | qla2x00_mem_free(struct qla_hw_data *ha) |
1da177e4 | 2143 | { |
e315cd28 AC |
2144 | struct req_que *req = ha->req; |
2145 | struct rsp_que *rsp = ha->rsp; | |
1da177e4 | 2146 | |
e8711085 AV |
2147 | if (ha->srb_mempool) |
2148 | mempool_destroy(ha->srb_mempool); | |
1da177e4 | 2149 | |
df613b96 AV |
2150 | if (ha->fce) |
2151 | dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, | |
e315cd28 | 2152 | ha->fce_dma); |
df613b96 | 2153 | |
a7a167bf AV |
2154 | if (ha->fw_dump) { |
2155 | if (ha->eft) | |
2156 | dma_free_coherent(&ha->pdev->dev, | |
e315cd28 | 2157 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); |
a7a167bf AV |
2158 | vfree(ha->fw_dump); |
2159 | } | |
2160 | ||
1da177e4 LT |
2161 | if (ha->sns_cmd) |
2162 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | |
e315cd28 | 2163 | ha->sns_cmd, ha->sns_cmd_dma); |
1da177e4 LT |
2164 | |
2165 | if (ha->ct_sns) | |
2166 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | |
e315cd28 | 2167 | ha->ct_sns, ha->ct_sns_dma); |
1da177e4 | 2168 | |
88729e53 AV |
2169 | if (ha->sfp_data) |
2170 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | |
2171 | ||
1da177e4 LT |
2172 | if (ha->ms_iocb) |
2173 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | |
2174 | ||
1da177e4 LT |
2175 | if (ha->s_dma_pool) |
2176 | dma_pool_destroy(ha->s_dma_pool); | |
2177 | ||
2c3dfe3f | 2178 | |
1da177e4 LT |
2179 | if (ha->gid_list) |
2180 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, | |
e315cd28 | 2181 | ha->gid_list_dma); |
1da177e4 | 2182 | |
1da177e4 | 2183 | |
e315cd28 AC |
2184 | if (ha->init_cb) |
2185 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, | |
2186 | ha->init_cb, ha->init_cb_dma); | |
2187 | vfree(ha->optrom_buffer); | |
2188 | kfree(ha->nvram); | |
1da177e4 | 2189 | |
e8711085 | 2190 | ha->srb_mempool = NULL; |
a7a167bf AV |
2191 | ha->eft = NULL; |
2192 | ha->eft_dma = 0; | |
1da177e4 LT |
2193 | ha->sns_cmd = NULL; |
2194 | ha->sns_cmd_dma = 0; | |
2195 | ha->ct_sns = NULL; | |
2196 | ha->ct_sns_dma = 0; | |
2197 | ha->ms_iocb = NULL; | |
2198 | ha->ms_iocb_dma = 0; | |
1da177e4 LT |
2199 | ha->init_cb = NULL; |
2200 | ha->init_cb_dma = 0; | |
2201 | ||
2202 | ha->s_dma_pool = NULL; | |
2203 | ||
1da177e4 LT |
2204 | ha->gid_list = NULL; |
2205 | ha->gid_list_dma = 0; | |
2206 | ||
e315cd28 AC |
2207 | ha->fw_dump = NULL; |
2208 | ha->fw_dumped = 0; | |
2209 | ha->fw_dump_reading = 0; | |
2210 | ||
2211 | if (rsp) { | |
2212 | if (rsp->ring) | |
2213 | dma_free_coherent(&ha->pdev->dev, | |
2214 | (rsp->length + 1) * sizeof(response_t), | |
2215 | rsp->ring, rsp->dma); | |
2216 | ||
2217 | kfree(rsp); | |
2218 | rsp = NULL; | |
2219 | } | |
1da177e4 | 2220 | |
e315cd28 AC |
2221 | if (req) { |
2222 | if (req->ring) | |
2223 | dma_free_coherent(&ha->pdev->dev, | |
2224 | (req->length + 1) * sizeof(request_t), | |
2225 | req->ring, req->dma); | |
1da177e4 | 2226 | |
e315cd28 AC |
2227 | kfree(req); |
2228 | req = NULL; | |
1da177e4 | 2229 | } |
e315cd28 | 2230 | } |
1da177e4 | 2231 | |
e315cd28 AC |
2232 | struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, |
2233 | struct qla_hw_data *ha) | |
2234 | { | |
2235 | struct Scsi_Host *host; | |
2236 | struct scsi_qla_host *vha = NULL; | |
854165f4 | 2237 | |
e315cd28 AC |
2238 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
2239 | if (host == NULL) { | |
2240 | printk(KERN_WARNING | |
2241 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); | |
2242 | goto fail; | |
2243 | } | |
2244 | ||
2245 | /* Clear our data area */ | |
2246 | vha = shost_priv(host); | |
2247 | memset(vha, 0, sizeof(scsi_qla_host_t)); | |
2248 | ||
2249 | vha->host = host; | |
2250 | vha->host_no = host->host_no; | |
2251 | vha->hw = ha; | |
2252 | ||
2253 | INIT_LIST_HEAD(&vha->vp_fcports); | |
2254 | INIT_LIST_HEAD(&vha->work_list); | |
2255 | INIT_LIST_HEAD(&vha->list); | |
2256 | ||
2257 | sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); | |
2258 | return vha; | |
2259 | ||
2260 | fail: | |
2261 | return vha; | |
1da177e4 LT |
2262 | } |
2263 | ||
01ef66bb | 2264 | static struct qla_work_evt * |
e315cd28 | 2265 | qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type, |
0971de7f AV |
2266 | int locked) |
2267 | { | |
2268 | struct qla_work_evt *e; | |
2269 | ||
2270 | e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC: | |
2271 | GFP_KERNEL); | |
2272 | if (!e) | |
2273 | return NULL; | |
2274 | ||
2275 | INIT_LIST_HEAD(&e->list); | |
2276 | e->type = type; | |
2277 | e->flags = QLA_EVT_FLAG_FREE; | |
2278 | return e; | |
2279 | } | |
2280 | ||
01ef66bb | 2281 | static int |
e315cd28 | 2282 | qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked) |
0971de7f | 2283 | { |
bf6583b5 | 2284 | unsigned long uninitialized_var(flags); |
e315cd28 | 2285 | struct qla_hw_data *ha = vha->hw; |
0971de7f AV |
2286 | |
2287 | if (!locked) | |
e315cd28 AC |
2288 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2289 | list_add_tail(&e->list, &vha->work_list); | |
2290 | qla2xxx_wake_dpc(vha); | |
0971de7f | 2291 | if (!locked) |
e315cd28 | 2292 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
0971de7f AV |
2293 | return QLA_SUCCESS; |
2294 | } | |
2295 | ||
2296 | int | |
e315cd28 | 2297 | qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, |
0971de7f AV |
2298 | u32 data) |
2299 | { | |
2300 | struct qla_work_evt *e; | |
2301 | ||
e315cd28 | 2302 | e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1); |
0971de7f AV |
2303 | if (!e) |
2304 | return QLA_FUNCTION_FAILED; | |
2305 | ||
2306 | e->u.aen.code = code; | |
2307 | e->u.aen.data = data; | |
e315cd28 | 2308 | return qla2x00_post_work(vha, e, 1); |
0971de7f AV |
2309 | } |
2310 | ||
cb8dacbf | 2311 | int |
e315cd28 | 2312 | qla2x00_post_hwe_work(struct scsi_qla_host *vha, uint16_t code, uint16_t d1, |
cb8dacbf AV |
2313 | uint16_t d2, uint16_t d3) |
2314 | { | |
2315 | struct qla_work_evt *e; | |
2316 | ||
e315cd28 | 2317 | e = qla2x00_alloc_work(vha, QLA_EVT_HWE_LOG, 1); |
cb8dacbf AV |
2318 | if (!e) |
2319 | return QLA_FUNCTION_FAILED; | |
2320 | ||
2321 | e->u.hwe.code = code; | |
2322 | e->u.hwe.d1 = d1; | |
2323 | e->u.hwe.d2 = d2; | |
2324 | e->u.hwe.d3 = d3; | |
e315cd28 | 2325 | return qla2x00_post_work(vha, e, 1); |
cb8dacbf AV |
2326 | } |
2327 | ||
0971de7f | 2328 | static void |
e315cd28 | 2329 | qla2x00_do_work(struct scsi_qla_host *vha) |
0971de7f AV |
2330 | { |
2331 | struct qla_work_evt *e; | |
e315cd28 | 2332 | struct qla_hw_data *ha = vha->hw; |
0971de7f | 2333 | |
e315cd28 AC |
2334 | spin_lock_irq(&ha->hardware_lock); |
2335 | while (!list_empty(&vha->work_list)) { | |
2336 | e = list_entry(vha->work_list.next, struct qla_work_evt, list); | |
0971de7f | 2337 | list_del_init(&e->list); |
e315cd28 | 2338 | spin_unlock_irq(&ha->hardware_lock); |
0971de7f AV |
2339 | |
2340 | switch (e->type) { | |
2341 | case QLA_EVT_AEN: | |
e315cd28 | 2342 | fc_host_post_event(vha->host, fc_get_event_number(), |
0971de7f AV |
2343 | e->u.aen.code, e->u.aen.data); |
2344 | break; | |
cb8dacbf | 2345 | case QLA_EVT_HWE_LOG: |
e315cd28 | 2346 | qla2xxx_hw_event_log(vha, e->u.hwe.code, e->u.hwe.d1, |
cb8dacbf AV |
2347 | e->u.hwe.d2, e->u.hwe.d3); |
2348 | break; | |
0971de7f AV |
2349 | } |
2350 | if (e->flags & QLA_EVT_FLAG_FREE) | |
2351 | kfree(e); | |
e315cd28 AC |
2352 | spin_lock_irq(&ha->hardware_lock); |
2353 | } | |
2354 | spin_unlock_irq(&ha->hardware_lock); | |
2355 | } | |
2356 | /* Relogins all the fcports of a vport | |
2357 | * Context: dpc thread | |
2358 | */ | |
2359 | void qla2x00_relogin(struct scsi_qla_host *vha) | |
2360 | { | |
2361 | fc_port_t *fcport; | |
2362 | uint8_t status; | |
2363 | uint16_t next_loopid = 0; | |
2364 | struct qla_hw_data *ha = vha->hw; | |
2365 | ||
2366 | list_for_each_entry(fcport, &vha->vp_fcports, list) { | |
2367 | /* | |
2368 | * If the port is not ONLINE then try to login | |
2369 | * to it if we haven't run out of retries. | |
2370 | */ | |
2371 | if (atomic_read(&fcport->state) != | |
2372 | FCS_ONLINE && fcport->login_retry) { | |
2373 | ||
2374 | if (fcport->flags & FCF_FABRIC_DEVICE) { | |
2375 | if (fcport->flags & FCF_TAPE_PRESENT) | |
2376 | ha->isp_ops->fabric_logout(vha, | |
2377 | fcport->loop_id, | |
2378 | fcport->d_id.b.domain, | |
2379 | fcport->d_id.b.area, | |
2380 | fcport->d_id.b.al_pa); | |
2381 | ||
2382 | status = qla2x00_fabric_login(vha, fcport, | |
2383 | &next_loopid); | |
2384 | } else | |
2385 | status = qla2x00_local_device_login(vha, | |
2386 | fcport); | |
2387 | ||
2388 | fcport->login_retry--; | |
2389 | if (status == QLA_SUCCESS) { | |
2390 | fcport->old_loop_id = fcport->loop_id; | |
2391 | ||
2392 | DEBUG(printk("scsi(%ld): port login OK: logged " | |
2393 | "in ID 0x%x\n", vha->host_no, fcport->loop_id)); | |
2394 | ||
2395 | qla2x00_update_fcport(vha, fcport); | |
2396 | ||
2397 | } else if (status == 1) { | |
2398 | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); | |
2399 | /* retry the login again */ | |
2400 | DEBUG(printk("scsi(%ld): Retrying" | |
2401 | " %d login again loop_id 0x%x\n", | |
2402 | vha->host_no, fcport->login_retry, | |
2403 | fcport->loop_id)); | |
2404 | } else { | |
2405 | fcport->login_retry = 0; | |
2406 | } | |
2407 | ||
2408 | if (fcport->login_retry == 0 && status != QLA_SUCCESS) | |
2409 | fcport->loop_id = FC_NO_LOOP_ID; | |
2410 | } | |
2411 | if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) | |
2412 | break; | |
0971de7f | 2413 | } |
0971de7f AV |
2414 | } |
2415 | ||
1da177e4 LT |
2416 | /************************************************************************** |
2417 | * qla2x00_do_dpc | |
2418 | * This kernel thread is a task that is schedule by the interrupt handler | |
2419 | * to perform the background processing for interrupts. | |
2420 | * | |
2421 | * Notes: | |
2422 | * This task always run in the context of a kernel thread. It | |
2423 | * is kick-off by the driver's detect code and starts up | |
2424 | * up one per adapter. It immediately goes to sleep and waits for | |
2425 | * some fibre event. When either the interrupt handler or | |
2426 | * the timer routine detects a event it will one of the task | |
2427 | * bits then wake us up. | |
2428 | **************************************************************************/ | |
2429 | static int | |
2430 | qla2x00_do_dpc(void *data) | |
2431 | { | |
2c3dfe3f | 2432 | int rval; |
e315cd28 AC |
2433 | scsi_qla_host_t *base_vha; |
2434 | struct qla_hw_data *ha; | |
1da177e4 | 2435 | |
e315cd28 AC |
2436 | ha = (struct qla_hw_data *)data; |
2437 | base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 | 2438 | |
1da177e4 LT |
2439 | set_user_nice(current, -20); |
2440 | ||
39a11240 | 2441 | while (!kthread_should_stop()) { |
1da177e4 LT |
2442 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
2443 | ||
39a11240 CH |
2444 | set_current_state(TASK_INTERRUPTIBLE); |
2445 | schedule(); | |
2446 | __set_current_state(TASK_RUNNING); | |
1da177e4 LT |
2447 | |
2448 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); | |
2449 | ||
2450 | /* Initialization not yet finished. Don't do anything yet. */ | |
e315cd28 | 2451 | if (!base_vha->flags.init_done) |
1da177e4 LT |
2452 | continue; |
2453 | ||
e315cd28 | 2454 | DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no)); |
1da177e4 LT |
2455 | |
2456 | ha->dpc_active = 1; | |
2457 | ||
1da177e4 | 2458 | if (ha->flags.mbox_busy) { |
1da177e4 LT |
2459 | ha->dpc_active = 0; |
2460 | continue; | |
2461 | } | |
2462 | ||
e315cd28 | 2463 | qla2x00_do_work(base_vha); |
0971de7f | 2464 | |
e315cd28 AC |
2465 | if (test_and_clear_bit(ISP_ABORT_NEEDED, |
2466 | &base_vha->dpc_flags)) { | |
1da177e4 LT |
2467 | |
2468 | DEBUG(printk("scsi(%ld): dpc: sched " | |
2469 | "qla2x00_abort_isp ha = %p\n", | |
e315cd28 | 2470 | base_vha->host_no, ha)); |
1da177e4 | 2471 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
e315cd28 | 2472 | &base_vha->dpc_flags))) { |
1da177e4 | 2473 | |
e315cd28 | 2474 | if (qla2x00_abort_isp(base_vha)) { |
1da177e4 LT |
2475 | /* failed. retry later */ |
2476 | set_bit(ISP_ABORT_NEEDED, | |
e315cd28 | 2477 | &base_vha->dpc_flags); |
99363ef8 | 2478 | } |
e315cd28 AC |
2479 | clear_bit(ABORT_ISP_ACTIVE, |
2480 | &base_vha->dpc_flags); | |
99363ef8 SJ |
2481 | } |
2482 | ||
1da177e4 | 2483 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
e315cd28 | 2484 | base_vha->host_no)); |
1da177e4 LT |
2485 | } |
2486 | ||
e315cd28 AC |
2487 | if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) { |
2488 | qla2x00_update_fcports(base_vha); | |
2489 | clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); | |
c9c5ced9 | 2490 | } |
d97994dc | 2491 | |
e315cd28 AC |
2492 | if (test_and_clear_bit(RESET_MARKER_NEEDED, |
2493 | &base_vha->dpc_flags) && | |
2494 | (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { | |
1da177e4 LT |
2495 | |
2496 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", | |
e315cd28 | 2497 | base_vha->host_no)); |
1da177e4 | 2498 | |
e315cd28 AC |
2499 | qla2x00_rst_aen(base_vha); |
2500 | clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); | |
1da177e4 LT |
2501 | } |
2502 | ||
2503 | /* Retry each device up to login retry count */ | |
e315cd28 AC |
2504 | if ((test_and_clear_bit(RELOGIN_NEEDED, |
2505 | &base_vha->dpc_flags)) && | |
2506 | !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) && | |
2507 | atomic_read(&base_vha->loop_state) != LOOP_DOWN) { | |
1da177e4 LT |
2508 | |
2509 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
e315cd28 AC |
2510 | base_vha->host_no)); |
2511 | qla2x00_relogin(base_vha); | |
2512 | ||
1da177e4 | 2513 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
e315cd28 | 2514 | base_vha->host_no)); |
1da177e4 LT |
2515 | } |
2516 | ||
e315cd28 AC |
2517 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, |
2518 | &base_vha->dpc_flags)) { | |
1da177e4 LT |
2519 | |
2520 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", | |
e315cd28 | 2521 | base_vha->host_no)); |
1da177e4 LT |
2522 | |
2523 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | |
e315cd28 | 2524 | &base_vha->dpc_flags))) { |
1da177e4 | 2525 | |
e315cd28 | 2526 | rval = qla2x00_loop_resync(base_vha); |
1da177e4 | 2527 | |
e315cd28 AC |
2528 | clear_bit(LOOP_RESYNC_ACTIVE, |
2529 | &base_vha->dpc_flags); | |
1da177e4 LT |
2530 | } |
2531 | ||
2532 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", | |
e315cd28 | 2533 | base_vha->host_no)); |
1da177e4 LT |
2534 | } |
2535 | ||
e315cd28 AC |
2536 | if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) && |
2537 | atomic_read(&base_vha->loop_state) == LOOP_READY) { | |
2538 | clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags); | |
2539 | qla2xxx_flash_npiv_conf(base_vha); | |
272976ca AV |
2540 | } |
2541 | ||
1da177e4 | 2542 | if (!ha->interrupts_on) |
fd34f556 | 2543 | ha->isp_ops->enable_intrs(ha); |
1da177e4 | 2544 | |
e315cd28 AC |
2545 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, |
2546 | &base_vha->dpc_flags)) | |
2547 | ha->isp_ops->beacon_blink(base_vha); | |
f6df144c | 2548 | |
e315cd28 | 2549 | qla2x00_do_dpc_all_vps(base_vha); |
2c3dfe3f | 2550 | |
1da177e4 LT |
2551 | ha->dpc_active = 0; |
2552 | } /* End of while(1) */ | |
2553 | ||
e315cd28 | 2554 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no)); |
1da177e4 LT |
2555 | |
2556 | /* | |
2557 | * Make sure that nobody tries to wake us up again. | |
2558 | */ | |
1da177e4 LT |
2559 | ha->dpc_active = 0; |
2560 | ||
39a11240 CH |
2561 | return 0; |
2562 | } | |
2563 | ||
2564 | void | |
e315cd28 | 2565 | qla2xxx_wake_dpc(struct scsi_qla_host *vha) |
39a11240 | 2566 | { |
e315cd28 | 2567 | struct qla_hw_data *ha = vha->hw; |
c795c1e4 AV |
2568 | struct task_struct *t = ha->dpc_thread; |
2569 | ||
e315cd28 | 2570 | if (!test_bit(UNLOADING, &vha->dpc_flags) && t) |
c795c1e4 | 2571 | wake_up_process(t); |
1da177e4 LT |
2572 | } |
2573 | ||
1da177e4 LT |
2574 | /* |
2575 | * qla2x00_rst_aen | |
2576 | * Processes asynchronous reset. | |
2577 | * | |
2578 | * Input: | |
2579 | * ha = adapter block pointer. | |
2580 | */ | |
2581 | static void | |
e315cd28 | 2582 | qla2x00_rst_aen(scsi_qla_host_t *vha) |
1da177e4 | 2583 | { |
e315cd28 AC |
2584 | if (vha->flags.online && !vha->flags.reset_active && |
2585 | !atomic_read(&vha->loop_down_timer) && | |
2586 | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) { | |
1da177e4 | 2587 | do { |
e315cd28 | 2588 | clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
2589 | |
2590 | /* | |
2591 | * Issue marker command only when we are going to start | |
2592 | * the I/O. | |
2593 | */ | |
e315cd28 AC |
2594 | vha->marker_needed = 1; |
2595 | } while (!atomic_read(&vha->loop_down_timer) && | |
2596 | (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags))); | |
1da177e4 LT |
2597 | } |
2598 | } | |
2599 | ||
f4f051eb | 2600 | static void |
e315cd28 | 2601 | qla2x00_sp_free_dma(srb_t *sp) |
f4f051eb | 2602 | { |
2603 | struct scsi_cmnd *cmd = sp->cmd; | |
2604 | ||
2605 | if (sp->flags & SRB_DMA_VALID) { | |
385d70b4 | 2606 | scsi_dma_unmap(cmd); |
f4f051eb | 2607 | sp->flags &= ~SRB_DMA_VALID; |
2608 | } | |
fca29703 | 2609 | CMD_SP(cmd) = NULL; |
f4f051eb | 2610 | } |
2611 | ||
2612 | void | |
e315cd28 | 2613 | qla2x00_sp_compl(scsi_qla_host_t *vha, srb_t *sp) |
f4f051eb | 2614 | { |
e315cd28 | 2615 | struct qla_hw_data *ha = vha->hw; |
f4f051eb | 2616 | struct scsi_cmnd *cmd = sp->cmd; |
2617 | ||
e315cd28 | 2618 | qla2x00_sp_free_dma(sp); |
f4f051eb | 2619 | |
f4f051eb | 2620 | mempool_free(sp, ha->srb_mempool); |
2621 | ||
2622 | cmd->scsi_done(cmd); | |
2623 | } | |
bdf79621 | 2624 | |
1da177e4 LT |
2625 | /************************************************************************** |
2626 | * qla2x00_timer | |
2627 | * | |
2628 | * Description: | |
2629 | * One second timer | |
2630 | * | |
2631 | * Context: Interrupt | |
2632 | ***************************************************************************/ | |
2c3dfe3f | 2633 | void |
e315cd28 | 2634 | qla2x00_timer(scsi_qla_host_t *vha) |
1da177e4 | 2635 | { |
1da177e4 LT |
2636 | unsigned long cpu_flags = 0; |
2637 | fc_port_t *fcport; | |
1da177e4 LT |
2638 | int start_dpc = 0; |
2639 | int index; | |
2640 | srb_t *sp; | |
f4f051eb | 2641 | int t; |
e315cd28 AC |
2642 | struct qla_hw_data *ha = vha->hw; |
2643 | struct req_que *req = ha->req; | |
1da177e4 LT |
2644 | /* |
2645 | * Ports - Port down timer. | |
2646 | * | |
2647 | * Whenever, a port is in the LOST state we start decrementing its port | |
2648 | * down timer every second until it reaches zero. Once it reaches zero | |
fa2a1ce5 | 2649 | * the port it marked DEAD. |
1da177e4 LT |
2650 | */ |
2651 | t = 0; | |
e315cd28 | 2652 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
1da177e4 LT |
2653 | if (fcport->port_type != FCT_TARGET) |
2654 | continue; | |
2655 | ||
2656 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2657 | ||
2658 | if (atomic_read(&fcport->port_down_timer) == 0) | |
2659 | continue; | |
2660 | ||
fa2a1ce5 | 2661 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
1da177e4 | 2662 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
fa2a1ce5 | 2663 | |
1da177e4 | 2664 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
fca29703 | 2665 | "%d remaining\n", |
e315cd28 | 2666 | vha->host_no, |
1da177e4 LT |
2667 | t, atomic_read(&fcport->port_down_timer))); |
2668 | } | |
2669 | t++; | |
2670 | } /* End of for fcport */ | |
2671 | ||
1da177e4 LT |
2672 | |
2673 | /* Loop down handler. */ | |
e315cd28 AC |
2674 | if (atomic_read(&vha->loop_down_timer) > 0 && |
2675 | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) | |
2676 | && vha->flags.online) { | |
1da177e4 | 2677 | |
e315cd28 AC |
2678 | if (atomic_read(&vha->loop_down_timer) == |
2679 | vha->loop_down_abort_time) { | |
1da177e4 LT |
2680 | |
2681 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " | |
2682 | "queues before time expire\n", | |
e315cd28 | 2683 | vha->host_no)); |
1da177e4 | 2684 | |
e315cd28 AC |
2685 | if (!IS_QLA2100(ha) && vha->link_down_timeout) |
2686 | atomic_set(&vha->loop_state, LOOP_DEAD); | |
1da177e4 LT |
2687 | |
2688 | /* Schedule an ISP abort to return any tape commands. */ | |
2c3dfe3f | 2689 | /* NPIV - scan physical port only */ |
e315cd28 | 2690 | if (!vha->vp_idx) { |
2c3dfe3f SJ |
2691 | spin_lock_irqsave(&ha->hardware_lock, |
2692 | cpu_flags); | |
2693 | for (index = 1; | |
2694 | index < MAX_OUTSTANDING_COMMANDS; | |
2695 | index++) { | |
2696 | fc_port_t *sfcp; | |
2697 | ||
e315cd28 | 2698 | sp = req->outstanding_cmds[index]; |
2c3dfe3f SJ |
2699 | if (!sp) |
2700 | continue; | |
2701 | sfcp = sp->fcport; | |
2702 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) | |
2703 | continue; | |
bdf79621 | 2704 | |
2c3dfe3f | 2705 | set_bit(ISP_ABORT_NEEDED, |
e315cd28 | 2706 | &vha->dpc_flags); |
2c3dfe3f SJ |
2707 | break; |
2708 | } | |
2709 | spin_unlock_irqrestore(&ha->hardware_lock, | |
e315cd28 | 2710 | cpu_flags); |
1da177e4 | 2711 | } |
e315cd28 | 2712 | set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
2713 | start_dpc++; |
2714 | } | |
2715 | ||
2716 | /* if the loop has been down for 4 minutes, reinit adapter */ | |
e315cd28 | 2717 | if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { |
1da177e4 LT |
2718 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " |
2719 | "restarting queues.\n", | |
e315cd28 | 2720 | vha->host_no)); |
1da177e4 | 2721 | |
e315cd28 | 2722 | set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
2723 | start_dpc++; |
2724 | ||
e315cd28 AC |
2725 | if (!(vha->device_flags & DFLG_NO_CABLE) && |
2726 | !vha->vp_idx) { | |
1da177e4 LT |
2727 | DEBUG(printk("scsi(%ld): Loop down - " |
2728 | "aborting ISP.\n", | |
e315cd28 | 2729 | vha->host_no)); |
1da177e4 LT |
2730 | qla_printk(KERN_WARNING, ha, |
2731 | "Loop down - aborting ISP.\n"); | |
2732 | ||
e315cd28 | 2733 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
2734 | } |
2735 | } | |
fca29703 | 2736 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
e315cd28 AC |
2737 | vha->host_no, |
2738 | atomic_read(&vha->loop_down_timer))); | |
1da177e4 LT |
2739 | } |
2740 | ||
f6df144c | 2741 | /* Check if beacon LED needs to be blinked */ |
2742 | if (ha->beacon_blink_led == 1) { | |
e315cd28 | 2743 | set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); |
f6df144c | 2744 | start_dpc++; |
2745 | } | |
2746 | ||
550bf57d | 2747 | /* Process any deferred work. */ |
e315cd28 | 2748 | if (!list_empty(&vha->work_list)) |
550bf57d AV |
2749 | start_dpc++; |
2750 | ||
1da177e4 | 2751 | /* Schedule the DPC routine if needed */ |
e315cd28 AC |
2752 | if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || |
2753 | test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || | |
2754 | test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) || | |
1da177e4 | 2755 | start_dpc || |
e315cd28 AC |
2756 | test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) || |
2757 | test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) || | |
2758 | test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || | |
2759 | test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) | |
2760 | qla2xxx_wake_dpc(vha); | |
1da177e4 | 2761 | |
e315cd28 | 2762 | qla2x00_restart_timer(vha, WATCH_INTERVAL); |
1da177e4 LT |
2763 | } |
2764 | ||
5433383e AV |
2765 | /* Firmware interface routines. */ |
2766 | ||
c3a2f0df | 2767 | #define FW_BLOBS 6 |
5433383e AV |
2768 | #define FW_ISP21XX 0 |
2769 | #define FW_ISP22XX 1 | |
2770 | #define FW_ISP2300 2 | |
2771 | #define FW_ISP2322 3 | |
48c02fde | 2772 | #define FW_ISP24XX 4 |
c3a2f0df | 2773 | #define FW_ISP25XX 5 |
5433383e | 2774 | |
bb8ee499 AV |
2775 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
2776 | #define FW_FILE_ISP22XX "ql2200_fw.bin" | |
2777 | #define FW_FILE_ISP2300 "ql2300_fw.bin" | |
2778 | #define FW_FILE_ISP2322 "ql2322_fw.bin" | |
2779 | #define FW_FILE_ISP24XX "ql2400_fw.bin" | |
c3a2f0df | 2780 | #define FW_FILE_ISP25XX "ql2500_fw.bin" |
bb8ee499 | 2781 | |
e1e82b6f | 2782 | static DEFINE_MUTEX(qla_fw_lock); |
5433383e AV |
2783 | |
2784 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | |
bb8ee499 AV |
2785 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
2786 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | |
2787 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | |
2788 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | |
2789 | { .name = FW_FILE_ISP24XX, }, | |
c3a2f0df | 2790 | { .name = FW_FILE_ISP25XX, }, |
5433383e AV |
2791 | }; |
2792 | ||
2793 | struct fw_blob * | |
e315cd28 | 2794 | qla2x00_request_firmware(scsi_qla_host_t *vha) |
5433383e | 2795 | { |
e315cd28 | 2796 | struct qla_hw_data *ha = vha->hw; |
5433383e AV |
2797 | struct fw_blob *blob; |
2798 | ||
2799 | blob = NULL; | |
2800 | if (IS_QLA2100(ha)) { | |
2801 | blob = &qla_fw_blobs[FW_ISP21XX]; | |
2802 | } else if (IS_QLA2200(ha)) { | |
2803 | blob = &qla_fw_blobs[FW_ISP22XX]; | |
48c02fde | 2804 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
5433383e | 2805 | blob = &qla_fw_blobs[FW_ISP2300]; |
48c02fde | 2806 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
5433383e | 2807 | blob = &qla_fw_blobs[FW_ISP2322]; |
4d4df193 | 2808 | } else if (IS_QLA24XX_TYPE(ha)) { |
5433383e | 2809 | blob = &qla_fw_blobs[FW_ISP24XX]; |
c3a2f0df AV |
2810 | } else if (IS_QLA25XX(ha)) { |
2811 | blob = &qla_fw_blobs[FW_ISP25XX]; | |
5433383e AV |
2812 | } |
2813 | ||
e1e82b6f | 2814 | mutex_lock(&qla_fw_lock); |
5433383e AV |
2815 | if (blob->fw) |
2816 | goto out; | |
2817 | ||
2818 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | |
2819 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " | |
e315cd28 | 2820 | "(%s).\n", vha->host_no, blob->name)); |
5433383e AV |
2821 | blob->fw = NULL; |
2822 | blob = NULL; | |
2823 | goto out; | |
2824 | } | |
2825 | ||
2826 | out: | |
e1e82b6f | 2827 | mutex_unlock(&qla_fw_lock); |
5433383e AV |
2828 | return blob; |
2829 | } | |
2830 | ||
2831 | static void | |
2832 | qla2x00_release_firmware(void) | |
2833 | { | |
2834 | int idx; | |
2835 | ||
e1e82b6f | 2836 | mutex_lock(&qla_fw_lock); |
5433383e AV |
2837 | for (idx = 0; idx < FW_BLOBS; idx++) |
2838 | if (qla_fw_blobs[idx].fw) | |
2839 | release_firmware(qla_fw_blobs[idx].fw); | |
e1e82b6f | 2840 | mutex_unlock(&qla_fw_lock); |
5433383e AV |
2841 | } |
2842 | ||
14e660e6 SJ |
2843 | static pci_ers_result_t |
2844 | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
2845 | { | |
2846 | switch (state) { | |
2847 | case pci_channel_io_normal: | |
2848 | return PCI_ERS_RESULT_CAN_RECOVER; | |
2849 | case pci_channel_io_frozen: | |
2850 | pci_disable_device(pdev); | |
2851 | return PCI_ERS_RESULT_NEED_RESET; | |
2852 | case pci_channel_io_perm_failure: | |
2853 | qla2x00_remove_one(pdev); | |
2854 | return PCI_ERS_RESULT_DISCONNECT; | |
2855 | } | |
2856 | return PCI_ERS_RESULT_NEED_RESET; | |
2857 | } | |
2858 | ||
2859 | static pci_ers_result_t | |
2860 | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
2861 | { | |
2862 | int risc_paused = 0; | |
2863 | uint32_t stat; | |
2864 | unsigned long flags; | |
e315cd28 AC |
2865 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
2866 | struct qla_hw_data *ha = base_vha->hw; | |
14e660e6 SJ |
2867 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
2868 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; | |
2869 | ||
2870 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2871 | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ | |
2872 | stat = RD_REG_DWORD(®->hccr); | |
2873 | if (stat & HCCR_RISC_PAUSE) | |
2874 | risc_paused = 1; | |
2875 | } else if (IS_QLA23XX(ha)) { | |
2876 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
2877 | if (stat & HSR_RISC_PAUSED) | |
2878 | risc_paused = 1; | |
2879 | } else if (IS_FWI2_CAPABLE(ha)) { | |
2880 | stat = RD_REG_DWORD(®24->host_status); | |
2881 | if (stat & HSRX_RISC_PAUSED) | |
2882 | risc_paused = 1; | |
2883 | } | |
2884 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2885 | ||
2886 | if (risc_paused) { | |
2887 | qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " | |
2888 | "Dumping firmware!\n"); | |
e315cd28 | 2889 | ha->isp_ops->fw_dump(base_vha, 0); |
14e660e6 SJ |
2890 | |
2891 | return PCI_ERS_RESULT_NEED_RESET; | |
2892 | } else | |
2893 | return PCI_ERS_RESULT_RECOVERED; | |
2894 | } | |
2895 | ||
2896 | static pci_ers_result_t | |
2897 | qla2xxx_pci_slot_reset(struct pci_dev *pdev) | |
2898 | { | |
2899 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
e315cd28 AC |
2900 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
2901 | struct qla_hw_data *ha = base_vha->hw; | |
09483916 BH |
2902 | int rc; |
2903 | ||
2904 | if (ha->mem_only) | |
2905 | rc = pci_enable_device_mem(pdev); | |
2906 | else | |
2907 | rc = pci_enable_device(pdev); | |
14e660e6 | 2908 | |
09483916 | 2909 | if (rc) { |
14e660e6 SJ |
2910 | qla_printk(KERN_WARNING, ha, |
2911 | "Can't re-enable PCI device after reset.\n"); | |
2912 | ||
2913 | return ret; | |
2914 | } | |
2915 | pci_set_master(pdev); | |
2916 | ||
e315cd28 | 2917 | if (ha->isp_ops->pci_config(base_vha)) |
14e660e6 SJ |
2918 | return ret; |
2919 | ||
e315cd28 AC |
2920 | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
2921 | if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS) | |
14e660e6 | 2922 | ret = PCI_ERS_RESULT_RECOVERED; |
e315cd28 | 2923 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
14e660e6 SJ |
2924 | |
2925 | return ret; | |
2926 | } | |
2927 | ||
2928 | static void | |
2929 | qla2xxx_pci_resume(struct pci_dev *pdev) | |
2930 | { | |
e315cd28 AC |
2931 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
2932 | struct qla_hw_data *ha = base_vha->hw; | |
14e660e6 SJ |
2933 | int ret; |
2934 | ||
e315cd28 | 2935 | ret = qla2x00_wait_for_hba_online(base_vha); |
14e660e6 SJ |
2936 | if (ret != QLA_SUCCESS) { |
2937 | qla_printk(KERN_ERR, ha, | |
2938 | "the device failed to resume I/O " | |
2939 | "from slot/link_reset"); | |
2940 | } | |
2941 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
2942 | } | |
2943 | ||
2944 | static struct pci_error_handlers qla2xxx_err_handler = { | |
2945 | .error_detected = qla2xxx_pci_error_detected, | |
2946 | .mmio_enabled = qla2xxx_pci_mmio_enabled, | |
2947 | .slot_reset = qla2xxx_pci_slot_reset, | |
2948 | .resume = qla2xxx_pci_resume, | |
2949 | }; | |
2950 | ||
5433383e | 2951 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
47f5e069 AV |
2952 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
2953 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | |
2954 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | |
2955 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | |
2956 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | |
2957 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | |
2958 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | |
2959 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | |
2960 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | |
4d4df193 | 2961 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, |
47f5e069 AV |
2962 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, |
2963 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | |
c3a2f0df | 2964 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
5433383e AV |
2965 | { 0 }, |
2966 | }; | |
2967 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | |
2968 | ||
fca29703 | 2969 | static struct pci_driver qla2xxx_pci_driver = { |
cb63067a | 2970 | .name = QLA2XXX_DRIVER_NAME, |
0a21ef1e JB |
2971 | .driver = { |
2972 | .owner = THIS_MODULE, | |
2973 | }, | |
fca29703 | 2974 | .id_table = qla2xxx_pci_tbl, |
7ee61397 | 2975 | .probe = qla2x00_probe_one, |
4c993f76 | 2976 | .remove = qla2x00_remove_one, |
14e660e6 | 2977 | .err_handler = &qla2xxx_err_handler, |
fca29703 AV |
2978 | }; |
2979 | ||
1da177e4 LT |
2980 | /** |
2981 | * qla2x00_module_init - Module initialization. | |
2982 | **/ | |
2983 | static int __init | |
2984 | qla2x00_module_init(void) | |
2985 | { | |
fca29703 AV |
2986 | int ret = 0; |
2987 | ||
1da177e4 | 2988 | /* Allocate cache for SRBs. */ |
354d6b21 | 2989 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
20c2df83 | 2990 | SLAB_HWCACHE_ALIGN, NULL); |
1da177e4 LT |
2991 | if (srb_cachep == NULL) { |
2992 | printk(KERN_ERR | |
2993 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); | |
2994 | return -ENOMEM; | |
2995 | } | |
2996 | ||
2997 | /* Derive version string. */ | |
2998 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | |
11010fec | 2999 | if (ql2xextended_error_logging) |
0181944f AV |
3000 | strcat(qla2x00_version_str, "-debug"); |
3001 | ||
1c97a12a AV |
3002 | qla2xxx_transport_template = |
3003 | fc_attach_transport(&qla2xxx_transport_functions); | |
2c3dfe3f SJ |
3004 | if (!qla2xxx_transport_template) { |
3005 | kmem_cache_destroy(srb_cachep); | |
1da177e4 | 3006 | return -ENODEV; |
2c3dfe3f SJ |
3007 | } |
3008 | qla2xxx_transport_vport_template = | |
3009 | fc_attach_transport(&qla2xxx_transport_vport_functions); | |
3010 | if (!qla2xxx_transport_vport_template) { | |
3011 | kmem_cache_destroy(srb_cachep); | |
3012 | fc_release_transport(qla2xxx_transport_template); | |
1da177e4 | 3013 | return -ENODEV; |
2c3dfe3f | 3014 | } |
1da177e4 | 3015 | |
fd9a29f0 AV |
3016 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n", |
3017 | qla2x00_version_str); | |
7ee61397 | 3018 | ret = pci_register_driver(&qla2xxx_pci_driver); |
fca29703 AV |
3019 | if (ret) { |
3020 | kmem_cache_destroy(srb_cachep); | |
3021 | fc_release_transport(qla2xxx_transport_template); | |
2c3dfe3f | 3022 | fc_release_transport(qla2xxx_transport_vport_template); |
fca29703 AV |
3023 | } |
3024 | return ret; | |
1da177e4 LT |
3025 | } |
3026 | ||
3027 | /** | |
3028 | * qla2x00_module_exit - Module cleanup. | |
3029 | **/ | |
3030 | static void __exit | |
3031 | qla2x00_module_exit(void) | |
3032 | { | |
7ee61397 | 3033 | pci_unregister_driver(&qla2xxx_pci_driver); |
5433383e | 3034 | qla2x00_release_firmware(); |
354d6b21 | 3035 | kmem_cache_destroy(srb_cachep); |
1da177e4 | 3036 | fc_release_transport(qla2xxx_transport_template); |
2c3dfe3f | 3037 | fc_release_transport(qla2xxx_transport_vport_template); |
1da177e4 LT |
3038 | } |
3039 | ||
3040 | module_init(qla2x00_module_init); | |
3041 | module_exit(qla2x00_module_exit); | |
3042 | ||
3043 | MODULE_AUTHOR("QLogic Corporation"); | |
3044 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | |
3045 | MODULE_LICENSE("GPL"); | |
3046 | MODULE_VERSION(QLA2XXX_VERSION); | |
bb8ee499 AV |
3047 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
3048 | MODULE_FIRMWARE(FW_FILE_ISP22XX); | |
3049 | MODULE_FIRMWARE(FW_FILE_ISP2300); | |
3050 | MODULE_FIRMWARE(FW_FILE_ISP2322); | |
3051 | MODULE_FIRMWARE(FW_FILE_ISP24XX); | |
61623fc3 | 3052 | MODULE_FIRMWARE(FW_FILE_ISP25XX); |