Commit | Line | Data |
---|---|---|
afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
c68cdbf0 | 3 | * Copyright (c) 2003-2012 QLogic Corporation |
afaf5a2d DS |
4 | * |
5 | * See LICENSE.qla4xxx for copyright and licensing details. | |
6 | */ | |
7 | ||
26974789 | 8 | #include <scsi/iscsi_if.h> |
afaf5a2d | 9 | #include "ql4_def.h" |
92b72736 DS |
10 | #include "ql4_glbl.h" |
11 | #include "ql4_dbg.h" | |
12 | #include "ql4_inline.h" | |
afaf5a2d | 13 | |
afaf5a2d DS |
14 | static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) |
15 | { | |
16 | uint32_t value; | |
17 | uint8_t func_number; | |
18 | unsigned long flags; | |
19 | ||
20 | /* Get the function number */ | |
21 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
22 | value = readw(&ha->reg->ctrl_status); | |
23 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
24 | ||
25 | func_number = (uint8_t) ((value >> 4) & 0x30); | |
26 | switch (value & ISP_CONTROL_FN_MASK) { | |
27 | case ISP_CONTROL_FN0_SCSI: | |
28 | ha->mac_index = 1; | |
29 | break; | |
30 | case ISP_CONTROL_FN1_SCSI: | |
31 | ha->mac_index = 3; | |
32 | break; | |
33 | default: | |
34 | DEBUG2(printk("scsi%ld: %s: Invalid function number, " | |
35 | "ispControlStatus = 0x%x\n", ha->host_no, | |
36 | __func__, value)); | |
37 | break; | |
38 | } | |
39 | DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__, | |
40 | ha->mac_index)); | |
41 | } | |
42 | ||
43 | /** | |
44 | * qla4xxx_free_ddb - deallocate ddb | |
45 | * @ha: pointer to host adapter structure. | |
46 | * @ddb_entry: pointer to device database entry | |
47 | * | |
b3a271a9 | 48 | * This routine marks a DDB entry INVALID |
afaf5a2d | 49 | **/ |
f4f5df23 VC |
50 | void qla4xxx_free_ddb(struct scsi_qla_host *ha, |
51 | struct ddb_entry *ddb_entry) | |
afaf5a2d | 52 | { |
afaf5a2d DS |
53 | /* Remove device pointer from index mapping arrays */ |
54 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = | |
55 | (struct ddb_entry *) INVALID_ENTRY; | |
56 | ha->tot_ddbs--; | |
afaf5a2d DS |
57 | } |
58 | ||
f4f5df23 VC |
59 | /** |
60 | * qla4xxx_init_response_q_entries() - Initializes response queue entries. | |
61 | * @ha: HA context | |
62 | * | |
63 | * Beginning of request ring has initialization control block already built | |
64 | * by nvram config routine. | |
65 | **/ | |
66 | static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha) | |
67 | { | |
68 | uint16_t cnt; | |
69 | struct response *pkt; | |
70 | ||
71 | pkt = (struct response *)ha->response_ptr; | |
72 | for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) { | |
73 | pkt->signature = RESPONSE_PROCESSED; | |
74 | pkt++; | |
75 | } | |
76 | } | |
77 | ||
afaf5a2d DS |
78 | /** |
79 | * qla4xxx_init_rings - initialize hw queues | |
80 | * @ha: pointer to host adapter structure. | |
81 | * | |
82 | * This routine initializes the internal queues for the specified adapter. | |
83 | * The QLA4010 requires us to restart the queues at index 0. | |
84 | * The QLA4000 doesn't care, so just default to QLA4010's requirement. | |
85 | **/ | |
86 | int qla4xxx_init_rings(struct scsi_qla_host *ha) | |
87 | { | |
88 | unsigned long flags = 0; | |
c0b9d3f7 | 89 | int i; |
afaf5a2d DS |
90 | |
91 | /* Initialize request queue. */ | |
92 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
93 | ha->request_out = 0; | |
94 | ha->request_in = 0; | |
95 | ha->request_ptr = &ha->request_ring[ha->request_in]; | |
96 | ha->req_q_count = REQUEST_QUEUE_DEPTH; | |
97 | ||
98 | /* Initialize response queue. */ | |
99 | ha->response_in = 0; | |
100 | ha->response_out = 0; | |
101 | ha->response_ptr = &ha->response_ring[ha->response_out]; | |
102 | ||
f4f5df23 VC |
103 | if (is_qla8022(ha)) { |
104 | writel(0, | |
7664a1fd | 105 | (unsigned long __iomem *)&ha->qla4_82xx_reg->req_q_out); |
f4f5df23 | 106 | writel(0, |
7664a1fd | 107 | (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_in); |
f4f5df23 | 108 | writel(0, |
7664a1fd | 109 | (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_out); |
6e7b4292 VC |
110 | } else if (is_qla8032(ha)) { |
111 | writel(0, | |
112 | (unsigned long __iomem *)&ha->qla4_83xx_reg->req_q_in); | |
113 | writel(0, | |
114 | (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_in); | |
115 | writel(0, | |
116 | (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_out); | |
f4f5df23 VC |
117 | } else { |
118 | /* | |
119 | * Initialize DMA Shadow registers. The firmware is really | |
120 | * supposed to take care of this, but on some uniprocessor | |
121 | * systems, the shadow registers aren't cleared-- causing | |
122 | * the interrupt_handler to think there are responses to be | |
123 | * processed when there aren't. | |
124 | */ | |
125 | ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0); | |
126 | ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0); | |
127 | wmb(); | |
afaf5a2d | 128 | |
f4f5df23 VC |
129 | writel(0, &ha->reg->req_q_in); |
130 | writel(0, &ha->reg->rsp_q_out); | |
131 | readl(&ha->reg->rsp_q_out); | |
132 | } | |
133 | ||
134 | qla4xxx_init_response_q_entries(ha); | |
afaf5a2d | 135 | |
18e2df93 | 136 | /* Initialize mailbox active array */ |
c0b9d3f7 VC |
137 | for (i = 0; i < MAX_MRB; i++) |
138 | ha->active_mrb_array[i] = NULL; | |
139 | ||
afaf5a2d DS |
140 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
141 | ||
142 | return QLA_SUCCESS; | |
143 | } | |
144 | ||
145 | /** | |
f4f5df23 | 146 | * qla4xxx_get_sys_info - validate adapter MAC address(es) |
afaf5a2d DS |
147 | * @ha: pointer to host adapter structure. |
148 | * | |
149 | **/ | |
f4f5df23 | 150 | int qla4xxx_get_sys_info(struct scsi_qla_host *ha) |
afaf5a2d DS |
151 | { |
152 | struct flash_sys_info *sys_info; | |
153 | dma_addr_t sys_info_dma; | |
154 | int status = QLA_ERROR; | |
155 | ||
156 | sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), | |
157 | &sys_info_dma, GFP_KERNEL); | |
158 | if (sys_info == NULL) { | |
159 | DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", | |
160 | ha->host_no, __func__)); | |
161 | ||
f4f5df23 | 162 | goto exit_get_sys_info_no_free; |
afaf5a2d DS |
163 | } |
164 | memset(sys_info, 0, sizeof(*sys_info)); | |
165 | ||
166 | /* Get flash sys info */ | |
167 | if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, | |
168 | sizeof(*sys_info)) != QLA_SUCCESS) { | |
169 | DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " | |
170 | "failed\n", ha->host_no, __func__)); | |
171 | ||
f4f5df23 | 172 | goto exit_get_sys_info; |
afaf5a2d DS |
173 | } |
174 | ||
175 | /* Save M.A.C. address & serial_number */ | |
176 | memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], | |
177 | min(sizeof(ha->my_mac), | |
178 | sizeof(sys_info->physAddr[0].address))); | |
179 | memcpy(ha->serial_number, &sys_info->acSerialNumber, | |
180 | min(sizeof(ha->serial_number), | |
181 | sizeof(sys_info->acSerialNumber))); | |
182 | ||
183 | status = QLA_SUCCESS; | |
184 | ||
f4f5df23 | 185 | exit_get_sys_info: |
afaf5a2d DS |
186 | dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, |
187 | sys_info_dma); | |
188 | ||
f4f5df23 | 189 | exit_get_sys_info_no_free: |
afaf5a2d DS |
190 | return status; |
191 | } | |
192 | ||
193 | /** | |
194 | * qla4xxx_init_local_data - initialize adapter specific local data | |
195 | * @ha: pointer to host adapter structure. | |
196 | * | |
197 | **/ | |
ff4108dc | 198 | static void qla4xxx_init_local_data(struct scsi_qla_host *ha) |
afaf5a2d | 199 | { |
421f91d2 | 200 | /* Initialize aen queue */ |
afaf5a2d | 201 | ha->aen_q_count = MAX_AEN_ENTRIES; |
afaf5a2d DS |
202 | } |
203 | ||
2a49a78e VC |
204 | static uint8_t |
205 | qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) | |
206 | { | |
207 | uint8_t ipv4_wait = 0; | |
208 | uint8_t ipv6_wait = 0; | |
209 | int8_t ip_address[IPv6_ADDR_LEN] = {0} ; | |
210 | ||
211 | /* If both IPv4 & IPv6 are enabled, possibly only one | |
212 | * IP address may be acquired, so check to see if we | |
213 | * need to wait for another */ | |
214 | if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { | |
215 | if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && | |
216 | ((ha->addl_fw_state & | |
217 | FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { | |
218 | ipv4_wait = 1; | |
219 | } | |
2bab08fc VC |
220 | if (((ha->ip_config.ipv6_addl_options & |
221 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && | |
222 | ((ha->ip_config.ipv6_link_local_state == | |
223 | IP_ADDRSTATE_ACQUIRING) || | |
224 | (ha->ip_config.ipv6_addr0_state == | |
225 | IP_ADDRSTATE_ACQUIRING) || | |
226 | (ha->ip_config.ipv6_addr1_state == | |
227 | IP_ADDRSTATE_ACQUIRING))) { | |
2a49a78e VC |
228 | |
229 | ipv6_wait = 1; | |
230 | ||
2bab08fc VC |
231 | if ((ha->ip_config.ipv6_link_local_state == |
232 | IP_ADDRSTATE_PREFERRED) || | |
233 | (ha->ip_config.ipv6_addr0_state == | |
234 | IP_ADDRSTATE_PREFERRED) || | |
235 | (ha->ip_config.ipv6_addr1_state == | |
236 | IP_ADDRSTATE_PREFERRED)) { | |
2a49a78e VC |
237 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " |
238 | "Preferred IP configured." | |
239 | " Don't wait!\n", ha->host_no, | |
240 | __func__)); | |
241 | ipv6_wait = 0; | |
242 | } | |
2bab08fc VC |
243 | if (memcmp(&ha->ip_config.ipv6_default_router_addr, |
244 | ip_address, IPv6_ADDR_LEN) == 0) { | |
2a49a78e VC |
245 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " |
246 | "No Router configured. " | |
247 | "Don't wait!\n", ha->host_no, | |
248 | __func__)); | |
249 | ipv6_wait = 0; | |
250 | } | |
2bab08fc VC |
251 | if ((ha->ip_config.ipv6_default_router_state == |
252 | IPV6_RTRSTATE_MANUAL) && | |
253 | (ha->ip_config.ipv6_link_local_state == | |
254 | IP_ADDRSTATE_TENTATIVE) && | |
255 | (memcmp(&ha->ip_config.ipv6_link_local_addr, | |
256 | &ha->ip_config.ipv6_default_router_addr, 4) == | |
257 | 0)) { | |
2a49a78e VC |
258 | DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " |
259 | "IP configured. Don't wait!\n", | |
260 | ha->host_no, __func__)); | |
261 | ipv6_wait = 0; | |
262 | } | |
263 | } | |
264 | if (ipv4_wait || ipv6_wait) { | |
265 | DEBUG2(printk("scsi%ld: %s: Wait for additional " | |
266 | "IP(s) \"", ha->host_no, __func__)); | |
267 | if (ipv4_wait) | |
268 | DEBUG2(printk("IPv4 ")); | |
2bab08fc VC |
269 | if (ha->ip_config.ipv6_link_local_state == |
270 | IP_ADDRSTATE_ACQUIRING) | |
2a49a78e | 271 | DEBUG2(printk("IPv6LinkLocal ")); |
2bab08fc VC |
272 | if (ha->ip_config.ipv6_addr0_state == |
273 | IP_ADDRSTATE_ACQUIRING) | |
2a49a78e | 274 | DEBUG2(printk("IPv6Addr0 ")); |
2bab08fc VC |
275 | if (ha->ip_config.ipv6_addr1_state == |
276 | IP_ADDRSTATE_ACQUIRING) | |
2a49a78e VC |
277 | DEBUG2(printk("IPv6Addr1 ")); |
278 | DEBUG2(printk("\"\n")); | |
279 | } | |
280 | } | |
281 | ||
282 | return ipv4_wait|ipv6_wait; | |
283 | } | |
284 | ||
068237c8 TP |
285 | /** |
286 | * qla4xxx_alloc_fw_dump - Allocate memory for minidump data. | |
287 | * @ha: pointer to host adapter structure. | |
288 | **/ | |
289 | void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) | |
290 | { | |
291 | int status; | |
292 | uint32_t capture_debug_level; | |
293 | int hdr_entry_bit, k; | |
294 | void *md_tmp; | |
295 | dma_addr_t md_tmp_dma; | |
296 | struct qla4_8xxx_minidump_template_hdr *md_hdr; | |
297 | ||
298 | if (ha->fw_dump) { | |
299 | ql4_printk(KERN_WARNING, ha, | |
300 | "Firmware dump previously allocated.\n"); | |
301 | return; | |
302 | } | |
303 | ||
304 | status = qla4xxx_req_template_size(ha); | |
305 | if (status != QLA_SUCCESS) { | |
306 | ql4_printk(KERN_INFO, ha, | |
307 | "scsi%ld: Failed to get template size\n", | |
308 | ha->host_no); | |
309 | return; | |
310 | } | |
311 | ||
312 | clear_bit(AF_82XX_FW_DUMPED, &ha->flags); | |
313 | ||
314 | /* Allocate memory for saving the template */ | |
315 | md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, | |
316 | &md_tmp_dma, GFP_KERNEL); | |
317 | ||
318 | /* Request template */ | |
319 | status = qla4xxx_get_minidump_template(ha, md_tmp_dma); | |
320 | if (status != QLA_SUCCESS) { | |
321 | ql4_printk(KERN_INFO, ha, | |
322 | "scsi%ld: Failed to get minidump template\n", | |
323 | ha->host_no); | |
324 | goto alloc_cleanup; | |
325 | } | |
326 | ||
327 | md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp; | |
328 | ||
329 | capture_debug_level = md_hdr->capture_debug_level; | |
330 | ||
331 | /* Get capture mask based on module loadtime setting. */ | |
332 | if (ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) | |
333 | ha->fw_dump_capture_mask = ql4xmdcapmask; | |
334 | else | |
335 | ha->fw_dump_capture_mask = capture_debug_level; | |
336 | ||
337 | md_hdr->driver_capture_mask = ha->fw_dump_capture_mask; | |
338 | ||
339 | DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n", | |
340 | md_hdr->num_of_entries)); | |
341 | DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n", | |
342 | ha->fw_dump_tmplt_size)); | |
343 | DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n", | |
344 | ha->fw_dump_capture_mask)); | |
345 | ||
346 | /* Calculate fw_dump_size */ | |
347 | for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF); | |
348 | hdr_entry_bit <<= 1, k++) { | |
349 | if (hdr_entry_bit & ha->fw_dump_capture_mask) | |
350 | ha->fw_dump_size += md_hdr->capture_size_array[k]; | |
351 | } | |
352 | ||
353 | /* Total firmware dump size including command header */ | |
354 | ha->fw_dump_size += ha->fw_dump_tmplt_size; | |
355 | ha->fw_dump = vmalloc(ha->fw_dump_size); | |
356 | if (!ha->fw_dump) | |
357 | goto alloc_cleanup; | |
358 | ||
359 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
360 | "Minidump Tempalate Size = 0x%x KB\n", | |
361 | ha->fw_dump_tmplt_size)); | |
362 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
363 | "Total Minidump size = 0x%x KB\n", ha->fw_dump_size)); | |
364 | ||
365 | memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size); | |
366 | ha->fw_dump_tmplt_hdr = ha->fw_dump; | |
367 | ||
368 | alloc_cleanup: | |
369 | dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, | |
370 | md_tmp, md_tmp_dma); | |
371 | } | |
372 | ||
afaf5a2d DS |
373 | static int qla4xxx_fw_ready(struct scsi_qla_host *ha) |
374 | { | |
375 | uint32_t timeout_count; | |
376 | int ready = 0; | |
377 | ||
c2660df3 | 378 | DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); |
afaf5a2d DS |
379 | for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; |
380 | timeout_count--) { | |
381 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
382 | qla4xxx_get_dhcp_ip_address(ha); | |
383 | ||
384 | /* Get firmware state. */ | |
385 | if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { | |
386 | DEBUG2(printk("scsi%ld: %s: unable to get firmware " | |
387 | "state\n", ha->host_no, __func__)); | |
388 | break; | |
afaf5a2d DS |
389 | } |
390 | ||
391 | if (ha->firmware_state & FW_STATE_ERROR) { | |
392 | DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" | |
393 | " occurred\n", ha->host_no, __func__)); | |
394 | break; | |
395 | ||
396 | } | |
397 | if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { | |
398 | /* | |
399 | * The firmware has not yet been issued an Initialize | |
400 | * Firmware command, so issue it now. | |
401 | */ | |
402 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) | |
403 | break; | |
404 | ||
405 | /* Go back and test for ready state - no wait. */ | |
406 | continue; | |
407 | } | |
408 | ||
2a49a78e VC |
409 | if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
410 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" | |
411 | "AUTOCONNECT in progress\n", | |
412 | ha->host_no, __func__)); | |
413 | } | |
414 | ||
415 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { | |
416 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" | |
417 | " CONFIGURING IP\n", | |
418 | ha->host_no, __func__)); | |
419 | /* | |
420 | * Check for link state after 15 secs and if link is | |
421 | * still DOWN then, cable is unplugged. Ignore "DHCP | |
422 | * in Progress/CONFIGURING IP" bit to check if firmware | |
423 | * is in ready state or not after 15 secs. | |
424 | * This is applicable for both 2.x & 3.x firmware | |
425 | */ | |
426 | if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { | |
427 | if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { | |
428 | DEBUG2(printk(KERN_INFO "scsi%ld: %s:" | |
429 | " LINK UP (Cable plugged)\n", | |
430 | ha->host_no, __func__)); | |
431 | } else if (ha->firmware_state & | |
432 | (FW_STATE_CONFIGURING_IP | | |
433 | FW_STATE_READY)) { | |
434 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " | |
435 | "LINK DOWN (Cable unplugged)\n", | |
436 | ha->host_no, __func__)); | |
437 | ha->firmware_state = FW_STATE_READY; | |
438 | } | |
439 | } | |
440 | } | |
441 | ||
afaf5a2d | 442 | if (ha->firmware_state == FW_STATE_READY) { |
2a49a78e VC |
443 | /* If DHCP IP Addr is available, retrieve it now. */ |
444 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, | |
445 | &ha->dpc_flags)) | |
446 | qla4xxx_get_dhcp_ip_address(ha); | |
447 | ||
448 | if (!qla4xxx_wait_for_ip_config(ha) || | |
449 | timeout_count == 1) { | |
c2660df3 VC |
450 | DEBUG2(ql4_printk(KERN_INFO, ha, |
451 | "Firmware Ready..\n")); | |
2a49a78e VC |
452 | /* The firmware is ready to process SCSI |
453 | commands. */ | |
c2660df3 | 454 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
455 | "scsi%ld: %s: MEDIA TYPE" |
456 | " - %s\n", ha->host_no, | |
457 | __func__, (ha->addl_fw_state & | |
458 | FW_ADDSTATE_OPTICAL_MEDIA) | |
459 | != 0 ? "OPTICAL" : "COPPER")); | |
c2660df3 | 460 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
461 | "scsi%ld: %s: DHCPv4 STATE" |
462 | " Enabled %s\n", ha->host_no, | |
463 | __func__, (ha->addl_fw_state & | |
464 | FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? | |
465 | "YES" : "NO")); | |
c2660df3 | 466 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
467 | "scsi%ld: %s: LINK %s\n", |
468 | ha->host_no, __func__, | |
469 | (ha->addl_fw_state & | |
470 | FW_ADDSTATE_LINK_UP) != 0 ? | |
471 | "UP" : "DOWN")); | |
c2660df3 | 472 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
473 | "scsi%ld: %s: iSNS Service " |
474 | "Started %s\n", | |
475 | ha->host_no, __func__, | |
476 | (ha->addl_fw_state & | |
477 | FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? | |
478 | "YES" : "NO")); | |
479 | ||
480 | ready = 1; | |
481 | break; | |
482 | } | |
afaf5a2d DS |
483 | } |
484 | DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " | |
485 | "seconds expired= %d\n", ha->host_no, __func__, | |
486 | ha->firmware_state, ha->addl_fw_state, | |
487 | timeout_count)); | |
d915058f DS |
488 | if (is_qla4032(ha) && |
489 | !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && | |
490 | (timeout_count < ADAPTER_INIT_TOV - 5)) { | |
491 | break; | |
492 | } | |
493 | ||
afaf5a2d DS |
494 | msleep(1000); |
495 | } /* end of for */ | |
496 | ||
2a49a78e | 497 | if (timeout_count <= 0) |
afaf5a2d DS |
498 | DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", |
499 | ha->host_no, __func__)); | |
500 | ||
2a49a78e VC |
501 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { |
502 | DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " | |
503 | "it's waiting to configure an IP address\n", | |
504 | ha->host_no, __func__)); | |
afaf5a2d | 505 | ready = 1; |
2a49a78e VC |
506 | } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
507 | DEBUG2(printk("scsi%ld: %s: FW initialized, but " | |
508 | "auto-discovery still in process\n", | |
509 | ha->host_no, __func__)); | |
b966346c | 510 | ready = 1; |
afaf5a2d DS |
511 | } |
512 | ||
513 | return ready; | |
514 | } | |
515 | ||
516 | /** | |
517 | * qla4xxx_init_firmware - initializes the firmware. | |
518 | * @ha: pointer to host adapter structure. | |
519 | * | |
520 | **/ | |
521 | static int qla4xxx_init_firmware(struct scsi_qla_host *ha) | |
522 | { | |
523 | int status = QLA_ERROR; | |
524 | ||
2232be0d LC |
525 | if (is_aer_supported(ha) && |
526 | test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
527 | return status; | |
528 | ||
9d4946f8 LC |
529 | /* For 82xx, stop firmware before initializing because if BIOS |
530 | * has previously initialized firmware, then driver's initialize | |
531 | * firmware will fail. */ | |
6e7b4292 | 532 | if (is_qla80XX(ha)) |
9d4946f8 LC |
533 | qla4_8xxx_stop_firmware(ha); |
534 | ||
c2660df3 | 535 | ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); |
afaf5a2d DS |
536 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { |
537 | DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " | |
538 | "control block\n", ha->host_no, __func__)); | |
539 | return status; | |
540 | } | |
068237c8 | 541 | |
afaf5a2d DS |
542 | if (!qla4xxx_fw_ready(ha)) |
543 | return status; | |
544 | ||
6e7b4292 | 545 | if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags)) |
068237c8 TP |
546 | qla4xxx_alloc_fw_dump(ha); |
547 | ||
afaf5a2d DS |
548 | return qla4xxx_get_firmware_status(ha); |
549 | } | |
550 | ||
91ec7cec VC |
551 | static void qla4xxx_set_model_info(struct scsi_qla_host *ha) |
552 | { | |
553 | uint16_t board_id_string[8]; | |
554 | int i; | |
555 | int size = sizeof(ha->nvram->isp4022.boardIdStr); | |
556 | int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; | |
557 | ||
558 | for (i = 0; i < (size / 2) ; i++) { | |
559 | board_id_string[i] = rd_nvram_word(ha, offset); | |
560 | offset += 1; | |
561 | } | |
562 | ||
563 | memcpy(ha->model_name, board_id_string, size); | |
564 | } | |
565 | ||
afaf5a2d DS |
566 | static int qla4xxx_config_nvram(struct scsi_qla_host *ha) |
567 | { | |
568 | unsigned long flags; | |
569 | union external_hw_config_reg extHwConfig; | |
570 | ||
571 | DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, | |
572 | __func__)); | |
573 | if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) | |
b3925514 | 574 | return QLA_ERROR; |
afaf5a2d DS |
575 | if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { |
576 | ql4xxx_unlock_flash(ha); | |
b3925514 | 577 | return QLA_ERROR; |
afaf5a2d DS |
578 | } |
579 | ||
580 | /* Get EEPRom Parameters from NVRAM and validate */ | |
c2660df3 | 581 | ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); |
afaf5a2d DS |
582 | if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { |
583 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
584 | extHwConfig.Asuint32_t = | |
585 | rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); | |
586 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
587 | } else { | |
c2660df3 VC |
588 | ql4_printk(KERN_WARNING, ha, |
589 | "scsi%ld: %s: EEProm checksum invalid. " | |
590 | "Please update your EEPROM\n", ha->host_no, | |
591 | __func__); | |
afaf5a2d | 592 | |
b3925514 | 593 | /* Attempt to set defaults */ |
afaf5a2d DS |
594 | if (is_qla4010(ha)) |
595 | extHwConfig.Asuint32_t = 0x1912; | |
d915058f | 596 | else if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d | 597 | extHwConfig.Asuint32_t = 0x0023; |
b3925514 MC |
598 | else |
599 | return QLA_ERROR; | |
afaf5a2d | 600 | } |
91ec7cec VC |
601 | |
602 | if (is_qla4022(ha) || is_qla4032(ha)) | |
603 | qla4xxx_set_model_info(ha); | |
604 | else | |
605 | strcpy(ha->model_name, "QLA4010"); | |
606 | ||
afaf5a2d DS |
607 | DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", |
608 | ha->host_no, __func__, extHwConfig.Asuint32_t)); | |
609 | ||
610 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
611 | writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); | |
612 | readl(isp_ext_hw_conf(ha)); | |
613 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
614 | ||
615 | ql4xxx_unlock_nvram(ha); | |
616 | ql4xxx_unlock_flash(ha); | |
617 | ||
b3925514 | 618 | return QLA_SUCCESS; |
afaf5a2d DS |
619 | } |
620 | ||
f4f5df23 VC |
621 | /** |
622 | * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. | |
623 | * @ha: HA context | |
624 | */ | |
625 | void qla4_8xxx_pci_config(struct scsi_qla_host *ha) | |
626 | { | |
627 | pci_set_master(ha->pdev); | |
628 | } | |
629 | ||
630 | void qla4xxx_pci_config(struct scsi_qla_host *ha) | |
afaf5a2d | 631 | { |
92b72736 | 632 | uint16_t w; |
46235e60 | 633 | int status; |
afaf5a2d | 634 | |
c2660df3 | 635 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
afaf5a2d DS |
636 | |
637 | pci_set_master(ha->pdev); | |
46235e60 | 638 | status = pci_set_mwi(ha->pdev); |
afaf5a2d DS |
639 | /* |
640 | * We want to respect framework's setting of PCI configuration space | |
641 | * command register and also want to make sure that all bits of | |
642 | * interest to us are properly set in command register. | |
643 | */ | |
644 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); | |
92b72736 | 645 | w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; |
afaf5a2d DS |
646 | w &= ~PCI_COMMAND_INTX_DISABLE; |
647 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); | |
648 | } | |
649 | ||
650 | static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) | |
651 | { | |
652 | int status = QLA_ERROR; | |
c301b026 | 653 | unsigned long max_wait_time; |
afaf5a2d DS |
654 | unsigned long flags; |
655 | uint32_t mbox_status; | |
656 | ||
c2660df3 | 657 | ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); |
afaf5a2d DS |
658 | |
659 | /* | |
660 | * Start firmware from flash ROM | |
661 | * | |
662 | * WORKAROUND: Stuff a non-constant value that the firmware can | |
663 | * use as a seed for a random number generator in MB7 prior to | |
664 | * setting BOOT_ENABLE. Fixes problem where the TCP | |
665 | * connections use the same TCP ports after each reboot, | |
666 | * causing some connections to not get re-established. | |
667 | */ | |
668 | DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", | |
669 | ha->host_no, __func__)); | |
670 | ||
671 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
672 | writel(jiffies, &ha->reg->mailbox[7]); | |
d915058f | 673 | if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d DS |
674 | writel(set_rmask(NVR_WRITE_ENABLE), |
675 | &ha->reg->u1.isp4022.nvram); | |
676 | ||
92b72736 DS |
677 | writel(2, &ha->reg->mailbox[6]); |
678 | readl(&ha->reg->mailbox[6]); | |
679 | ||
afaf5a2d DS |
680 | writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); |
681 | readl(&ha->reg->ctrl_status); | |
682 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
683 | ||
684 | /* Wait for firmware to come UP. */ | |
c301b026 VC |
685 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " |
686 | "boot firmware to complete...\n", | |
687 | ha->host_no, __func__, FIRMWARE_UP_TOV)); | |
688 | max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); | |
afaf5a2d DS |
689 | do { |
690 | uint32_t ctrl_status; | |
691 | ||
692 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
693 | ctrl_status = readw(&ha->reg->ctrl_status); | |
694 | mbox_status = readw(&ha->reg->mailbox[0]); | |
695 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
696 | ||
697 | if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) | |
698 | break; | |
699 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) | |
700 | break; | |
701 | ||
c301b026 | 702 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " |
f581a3f7 VC |
703 | "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", |
704 | ha->host_no, __func__, ctrl_status, max_wait_time)); | |
afaf5a2d | 705 | |
c301b026 VC |
706 | msleep_interruptible(250); |
707 | } while (!time_after_eq(jiffies, max_wait_time)); | |
afaf5a2d DS |
708 | |
709 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { | |
c301b026 | 710 | DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", |
afaf5a2d DS |
711 | ha->host_no, __func__)); |
712 | ||
713 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
714 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
715 | &ha->reg->ctrl_status); | |
716 | readl(&ha->reg->ctrl_status); | |
717 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
718 | ||
719 | status = QLA_SUCCESS; | |
720 | } else { | |
721 | printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " | |
722 | "- mbox status 0x%x\n", ha->host_no, __func__, | |
723 | mbox_status); | |
724 | status = QLA_ERROR; | |
725 | } | |
726 | return status; | |
727 | } | |
728 | ||
92b72736 | 729 | int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) |
afaf5a2d | 730 | { |
92b72736 | 731 | #define QL4_LOCK_DRVR_WAIT 60 |
477ffb9d | 732 | #define QL4_LOCK_DRVR_SLEEP 1 |
afaf5a2d DS |
733 | |
734 | int drvr_wait = QL4_LOCK_DRVR_WAIT; | |
735 | while (drvr_wait) { | |
92b72736 | 736 | if (ql4xxx_lock_drvr(a) == 0) { |
477ffb9d | 737 | ssleep(QL4_LOCK_DRVR_SLEEP); |
afaf5a2d DS |
738 | if (drvr_wait) { |
739 | DEBUG2(printk("scsi%ld: %s: Waiting for " | |
92b72736 DS |
740 | "Global Init Semaphore(%d)...\n", |
741 | a->host_no, | |
477ffb9d | 742 | __func__, drvr_wait)); |
afaf5a2d DS |
743 | } |
744 | drvr_wait -= QL4_LOCK_DRVR_SLEEP; | |
745 | } else { | |
746 | DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " | |
92b72736 | 747 | "acquired\n", a->host_no, __func__)); |
afaf5a2d DS |
748 | return QLA_SUCCESS; |
749 | } | |
750 | } | |
751 | return QLA_ERROR; | |
752 | } | |
753 | ||
754 | /** | |
755 | * qla4xxx_start_firmware - starts qla4xxx firmware | |
756 | * @ha: Pointer to host adapter structure. | |
757 | * | |
3a4fa0a2 | 758 | * This routine performs the necessary steps to start the firmware for |
afaf5a2d DS |
759 | * the QLA4010 adapter. |
760 | **/ | |
f4f5df23 | 761 | int qla4xxx_start_firmware(struct scsi_qla_host *ha) |
afaf5a2d DS |
762 | { |
763 | unsigned long flags = 0; | |
764 | uint32_t mbox_status; | |
765 | int status = QLA_ERROR; | |
766 | int soft_reset = 1; | |
767 | int config_chip = 0; | |
768 | ||
d915058f | 769 | if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d DS |
770 | ql4xxx_set_mac_number(ha); |
771 | ||
772 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) | |
773 | return QLA_ERROR; | |
774 | ||
775 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
776 | ||
777 | DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, | |
778 | __func__, readw(isp_port_ctrl(ha)))); | |
779 | DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, | |
780 | __func__, readw(isp_port_status(ha)))); | |
781 | ||
782 | /* Is Hardware already initialized? */ | |
783 | if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { | |
784 | DEBUG(printk("scsi%ld: %s: Hardware has already been " | |
785 | "initialized\n", ha->host_no, __func__)); | |
786 | ||
787 | /* Receive firmware boot acknowledgement */ | |
788 | mbox_status = readw(&ha->reg->mailbox[0]); | |
789 | ||
790 | DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " | |
791 | "0x%x\n", ha->host_no, __func__, mbox_status)); | |
792 | ||
793 | /* Is firmware already booted? */ | |
794 | if (mbox_status == 0) { | |
795 | /* F/W not running, must be config by net driver */ | |
796 | config_chip = 1; | |
797 | soft_reset = 0; | |
798 | } else { | |
799 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
800 | &ha->reg->ctrl_status); | |
801 | readl(&ha->reg->ctrl_status); | |
78764999 SR |
802 | writel(set_rmask(CSR_SCSI_COMPLETION_INTR), |
803 | &ha->reg->ctrl_status); | |
804 | readl(&ha->reg->ctrl_status); | |
afaf5a2d DS |
805 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
806 | if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { | |
807 | DEBUG2(printk("scsi%ld: %s: Get firmware " | |
808 | "state -- state = 0x%x\n", | |
809 | ha->host_no, | |
810 | __func__, ha->firmware_state)); | |
811 | /* F/W is running */ | |
812 | if (ha->firmware_state & | |
813 | FW_STATE_CONFIG_WAIT) { | |
814 | DEBUG2(printk("scsi%ld: %s: Firmware " | |
815 | "in known state -- " | |
816 | "config and " | |
817 | "boot, state = 0x%x\n", | |
818 | ha->host_no, __func__, | |
819 | ha->firmware_state)); | |
820 | config_chip = 1; | |
821 | soft_reset = 0; | |
822 | } | |
823 | } else { | |
824 | DEBUG2(printk("scsi%ld: %s: Firmware in " | |
825 | "unknown state -- resetting," | |
826 | " state = " | |
827 | "0x%x\n", ha->host_no, __func__, | |
828 | ha->firmware_state)); | |
829 | } | |
830 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
831 | } | |
832 | } else { | |
833 | DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " | |
834 | "started - resetting\n", ha->host_no, __func__)); | |
835 | } | |
836 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
837 | ||
838 | DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", | |
839 | ha->host_no, __func__, soft_reset, config_chip)); | |
840 | if (soft_reset) { | |
841 | DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, | |
842 | __func__)); | |
f4f5df23 VC |
843 | status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr |
844 | * lock again, but ok */ | |
afaf5a2d DS |
845 | if (status == QLA_ERROR) { |
846 | DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", | |
847 | ha->host_no, __func__)); | |
848 | ql4xxx_unlock_drvr(ha); | |
849 | return QLA_ERROR; | |
850 | } | |
851 | config_chip = 1; | |
852 | ||
b1c11812 | 853 | /* Reset clears the semaphore, so acquire again */ |
afaf5a2d DS |
854 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
855 | return QLA_ERROR; | |
856 | } | |
857 | ||
858 | if (config_chip) { | |
859 | if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) | |
860 | status = qla4xxx_start_firmware_from_flash(ha); | |
861 | } | |
862 | ||
863 | ql4xxx_unlock_drvr(ha); | |
864 | if (status == QLA_SUCCESS) { | |
afaf5a2d DS |
865 | if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) |
866 | qla4xxx_get_crash_record(ha); | |
867 | } else { | |
868 | DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", | |
869 | ha->host_no, __func__)); | |
870 | } | |
871 | return status; | |
872 | } | |
166dd20d LC |
873 | /** |
874 | * qla4xxx_free_ddb_index - Free DDBs reserved by firmware | |
875 | * @ha: pointer to adapter structure | |
876 | * | |
877 | * Since firmware is not running in autoconnect mode the DDB indices should | |
878 | * be freed so that when login happens from user space there are free DDB | |
879 | * indices available. | |
880 | **/ | |
13483730 | 881 | void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) |
166dd20d LC |
882 | { |
883 | int max_ddbs; | |
884 | int ret; | |
885 | uint32_t idx = 0, next_idx = 0; | |
886 | uint32_t state = 0, conn_err = 0; | |
887 | ||
13483730 | 888 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
166dd20d LC |
889 | MAX_DEV_DB_ENTRIES; |
890 | ||
891 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
892 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, | |
893 | &next_idx, &state, &conn_err, | |
894 | NULL, NULL); | |
e1cd89c5 TH |
895 | if (ret == QLA_ERROR) { |
896 | next_idx++; | |
166dd20d | 897 | continue; |
e1cd89c5 | 898 | } |
166dd20d LC |
899 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
900 | state == DDB_DS_SESSION_FAILED) { | |
901 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
902 | "Freeing DDB index = 0x%x\n", idx)); | |
903 | ret = qla4xxx_clear_ddb_entry(ha, idx); | |
904 | if (ret == QLA_ERROR) | |
905 | ql4_printk(KERN_ERR, ha, | |
906 | "Unable to clear DDB index = " | |
907 | "0x%x\n", idx); | |
908 | } | |
909 | if (next_idx == 0) | |
910 | break; | |
911 | } | |
912 | } | |
afaf5a2d | 913 | |
afaf5a2d DS |
914 | /** |
915 | * qla4xxx_initialize_adapter - initiailizes hba | |
916 | * @ha: Pointer to host adapter structure. | |
afaf5a2d DS |
917 | * |
918 | * This routine parforms all of the steps necessary to initialize the adapter. | |
919 | * | |
920 | **/ | |
13483730 | 921 | int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) |
afaf5a2d DS |
922 | { |
923 | int status = QLA_ERROR; | |
afaf5a2d DS |
924 | |
925 | ha->eeprom_cmd_data = 0; | |
926 | ||
f4f5df23 VC |
927 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
928 | ha->isp_ops->pci_config(ha); | |
afaf5a2d | 929 | |
f4f5df23 | 930 | ha->isp_ops->disable_intrs(ha); |
afaf5a2d DS |
931 | |
932 | /* Initialize the Host adapter request/response queues and firmware */ | |
f4f5df23 VC |
933 | if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) |
934 | goto exit_init_hba; | |
935 | ||
5c19b92a VC |
936 | /* |
937 | * For ISP83XX, mailbox and IOCB interrupts are enabled separately. | |
938 | * Mailbox interrupts must be enabled prior to issuing any mailbox | |
939 | * command in order to prevent the possibility of losing interrupts | |
940 | * while switching from polling to interrupt mode. IOCB interrupts are | |
941 | * enabled via isp_ops->enable_intrs. | |
942 | */ | |
943 | if (is_qla8032(ha)) | |
944 | qla4_83xx_enable_mbox_intrs(ha); | |
945 | ||
7ad633c0 | 946 | if (qla4xxx_about_firmware(ha) == QLA_ERROR) |
46235e60 | 947 | goto exit_init_hba; |
afaf5a2d | 948 | |
f4f5df23 | 949 | if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) |
46235e60 | 950 | goto exit_init_hba; |
afaf5a2d | 951 | |
ff4108dc | 952 | qla4xxx_init_local_data(ha); |
afaf5a2d DS |
953 | |
954 | status = qla4xxx_init_firmware(ha); | |
955 | if (status == QLA_ERROR) | |
46235e60 | 956 | goto exit_init_hba; |
afaf5a2d | 957 | |
13483730 MC |
958 | if (is_reset == RESET_ADAPTER) |
959 | qla4xxx_build_ddb_list(ha, is_reset); | |
166dd20d | 960 | |
92b72736 | 961 | set_bit(AF_ONLINE, &ha->flags); |
46235e60 | 962 | exit_init_hba: |
6e7b4292 | 963 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
3710c60c | 964 | /* Since interrupts are registered in start_firmware for |
6e7b4292 | 965 | * 80XX, release them here if initialize_adapter fails */ |
3710c60c VC |
966 | qla4xxx_free_irqs(ha); |
967 | } | |
968 | ||
f4f5df23 | 969 | DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, |
25985edc | 970 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 971 | return status; |
afaf5a2d DS |
972 | } |
973 | ||
13483730 MC |
974 | int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, |
975 | struct ddb_entry *ddb_entry, uint32_t state) | |
afaf5a2d | 976 | { |
b3a271a9 MR |
977 | uint32_t old_fw_ddb_device_state; |
978 | int status = QLA_ERROR; | |
afaf5a2d | 979 | |
b3a271a9 MR |
980 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; |
981 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
982 | "%s: DDB - old state = 0x%x, new state = 0x%x for " | |
983 | "index [%d]\n", __func__, | |
984 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); | |
afaf5a2d DS |
985 | |
986 | ddb_entry->fw_ddb_device_state = state; | |
065aa1b4 | 987 | |
b3a271a9 MR |
988 | switch (old_fw_ddb_device_state) { |
989 | case DDB_DS_LOGIN_IN_PROCESS: | |
990 | switch (state) { | |
991 | case DDB_DS_SESSION_ACTIVE: | |
992 | case DDB_DS_DISCOVERY: | |
b3a271a9 | 993 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
3d948e2a | 994 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 MR |
995 | status = QLA_SUCCESS; |
996 | break; | |
997 | case DDB_DS_SESSION_FAILED: | |
998 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
999 | iscsi_conn_login_event(ddb_entry->conn, | |
1000 | ISCSI_CONN_STATE_FREE); | |
1001 | status = QLA_SUCCESS; | |
1002 | break; | |
1003 | } | |
1004 | break; | |
1005 | case DDB_DS_SESSION_ACTIVE: | |
3d948e2a | 1006 | case DDB_DS_DISCOVERY: |
736cf369 MR |
1007 | switch (state) { |
1008 | case DDB_DS_SESSION_FAILED: | |
afaf5a2d | 1009 | /* |
b3a271a9 MR |
1010 | * iscsi_session failure will cause userspace to |
1011 | * stop the connection which in turn would block the | |
1012 | * iscsi_session and start relogin | |
afaf5a2d | 1013 | */ |
b3a271a9 MR |
1014 | iscsi_session_failure(ddb_entry->sess->dd_data, |
1015 | ISCSI_ERR_CONN_FAILED); | |
1016 | status = QLA_SUCCESS; | |
736cf369 MR |
1017 | break; |
1018 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
1019 | clear_bit(fw_ddb_index, ha->ddb_idx_map); | |
1020 | status = QLA_SUCCESS; | |
1021 | break; | |
afaf5a2d | 1022 | } |
b3a271a9 | 1023 | break; |
98270ab4 MR |
1024 | case DDB_DS_SESSION_FAILED: |
1025 | switch (state) { | |
1026 | case DDB_DS_SESSION_ACTIVE: | |
1027 | case DDB_DS_DISCOVERY: | |
13483730 | 1028 | ddb_entry->unblock_sess(ddb_entry->sess); |
98270ab4 MR |
1029 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
1030 | status = QLA_SUCCESS; | |
1031 | break; | |
1032 | case DDB_DS_SESSION_FAILED: | |
1033 | iscsi_session_failure(ddb_entry->sess->dd_data, | |
1034 | ISCSI_ERR_CONN_FAILED); | |
1035 | status = QLA_SUCCESS; | |
1036 | break; | |
1037 | } | |
1038 | break; | |
b3a271a9 MR |
1039 | default: |
1040 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", | |
1041 | __func__)); | |
1042 | break; | |
afaf5a2d | 1043 | } |
13483730 MC |
1044 | return status; |
1045 | } | |
1046 | ||
1047 | void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) | |
1048 | { | |
1049 | /* | |
1050 | * This triggers a relogin. After the relogin_timer | |
1051 | * expires, the relogin gets scheduled. We must wait a | |
1052 | * minimum amount of time since receiving an 0x8014 AEN | |
1053 | * with failed device_state or a logout response before | |
1054 | * we can issue another relogin. | |
1055 | * | |
1056 | * Firmware pads this timeout: (time2wait +1). | |
1057 | * Driver retry to login should be longer than F/W. | |
1058 | * Otherwise F/W will fail | |
1059 | * set_ddb() mbx cmd with 0x4005 since it still | |
1060 | * counting down its time2wait. | |
1061 | */ | |
1062 | atomic_set(&ddb_entry->relogin_timer, 0); | |
1063 | atomic_set(&ddb_entry->retry_relogin_timer, | |
1064 | ddb_entry->default_time2wait + 4); | |
1065 | ||
1066 | } | |
1067 | ||
1068 | int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, | |
1069 | struct ddb_entry *ddb_entry, uint32_t state) | |
1070 | { | |
1071 | uint32_t old_fw_ddb_device_state; | |
1072 | int status = QLA_ERROR; | |
1073 | ||
1074 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; | |
1075 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1076 | "%s: DDB - old state = 0x%x, new state = 0x%x for " | |
1077 | "index [%d]\n", __func__, | |
1078 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); | |
1079 | ||
1080 | ddb_entry->fw_ddb_device_state = state; | |
1081 | ||
1082 | switch (old_fw_ddb_device_state) { | |
1083 | case DDB_DS_LOGIN_IN_PROCESS: | |
1084 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
1085 | switch (state) { | |
1086 | case DDB_DS_SESSION_ACTIVE: | |
1087 | ddb_entry->unblock_sess(ddb_entry->sess); | |
1088 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); | |
1089 | status = QLA_SUCCESS; | |
1090 | break; | |
1091 | case DDB_DS_SESSION_FAILED: | |
1092 | iscsi_block_session(ddb_entry->sess); | |
1093 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1094 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1095 | status = QLA_SUCCESS; | |
1096 | break; | |
1097 | } | |
1098 | break; | |
1099 | case DDB_DS_SESSION_ACTIVE: | |
1100 | switch (state) { | |
1101 | case DDB_DS_SESSION_FAILED: | |
1102 | iscsi_block_session(ddb_entry->sess); | |
1103 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1104 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1105 | status = QLA_SUCCESS; | |
1106 | break; | |
1107 | } | |
1108 | break; | |
1109 | case DDB_DS_SESSION_FAILED: | |
1110 | switch (state) { | |
1111 | case DDB_DS_SESSION_ACTIVE: | |
1112 | ddb_entry->unblock_sess(ddb_entry->sess); | |
1113 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); | |
1114 | status = QLA_SUCCESS; | |
1115 | break; | |
1116 | case DDB_DS_SESSION_FAILED: | |
1117 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1118 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1119 | status = QLA_SUCCESS; | |
1120 | break; | |
1121 | } | |
1122 | break; | |
1123 | default: | |
1124 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", | |
1125 | __func__)); | |
1126 | break; | |
1127 | } | |
1128 | return status; | |
1129 | } | |
1130 | ||
1131 | /** | |
1132 | * qla4xxx_process_ddb_changed - process ddb state change | |
1133 | * @ha - Pointer to host adapter structure. | |
1134 | * @fw_ddb_index - Firmware's device database index | |
1135 | * @state - Device state | |
1136 | * | |
1137 | * This routine processes a Decive Database Changed AEN Event. | |
1138 | **/ | |
1139 | int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, | |
1140 | uint32_t fw_ddb_index, | |
1141 | uint32_t state, uint32_t conn_err) | |
1142 | { | |
1143 | struct ddb_entry *ddb_entry; | |
1144 | int status = QLA_ERROR; | |
1145 | ||
1146 | /* check for out of range index */ | |
1147 | if (fw_ddb_index >= MAX_DDB_ENTRIES) | |
1148 | goto exit_ddb_event; | |
1149 | ||
1150 | /* Get the corresponging ddb entry */ | |
1151 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); | |
1152 | /* Device does not currently exist in our database. */ | |
1153 | if (ddb_entry == NULL) { | |
1154 | ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", | |
1155 | __func__, fw_ddb_index); | |
1156 | ||
1157 | if (state == DDB_DS_NO_CONNECTION_ACTIVE) | |
1158 | clear_bit(fw_ddb_index, ha->ddb_idx_map); | |
1159 | ||
1160 | goto exit_ddb_event; | |
1161 | } | |
1162 | ||
1163 | ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); | |
b3a271a9 MR |
1164 | |
1165 | exit_ddb_event: | |
1166 | return status; | |
afaf5a2d | 1167 | } |
13483730 MC |
1168 | |
1169 | /** | |
1170 | * qla4xxx_login_flash_ddb - Login to target (DDB) | |
1171 | * @cls_session: Pointer to the session to login | |
1172 | * | |
1173 | * This routine logins to the target. | |
1174 | * Issues setddb and conn open mbx | |
1175 | **/ | |
1176 | void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) | |
1177 | { | |
1178 | struct iscsi_session *sess; | |
1179 | struct ddb_entry *ddb_entry; | |
1180 | struct scsi_qla_host *ha; | |
1181 | struct dev_db_entry *fw_ddb_entry = NULL; | |
1182 | dma_addr_t fw_ddb_dma; | |
1183 | uint32_t mbx_sts = 0; | |
1184 | int ret; | |
1185 | ||
1186 | sess = cls_session->dd_data; | |
1187 | ddb_entry = sess->dd_data; | |
1188 | ha = ddb_entry->ha; | |
1189 | ||
1190 | if (!test_bit(AF_LINK_UP, &ha->flags)) | |
1191 | return; | |
1192 | ||
1193 | if (ddb_entry->ddb_type != FLASH_DDB) { | |
1194 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1195 | "Skipping login to non FLASH DB")); | |
1196 | goto exit_login; | |
1197 | } | |
1198 | ||
1199 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
1200 | &fw_ddb_dma); | |
1201 | if (fw_ddb_entry == NULL) { | |
1202 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
1203 | goto exit_login; | |
1204 | } | |
1205 | ||
1206 | if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { | |
1207 | ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); | |
1208 | if (ret == QLA_ERROR) | |
1209 | goto exit_login; | |
1210 | ||
1211 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
1212 | ha->tot_ddbs++; | |
1213 | } | |
1214 | ||
1215 | memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, | |
1216 | sizeof(struct dev_db_entry)); | |
1217 | ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; | |
1218 | ||
1219 | ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, | |
1220 | fw_ddb_dma, &mbx_sts); | |
1221 | if (ret == QLA_ERROR) { | |
1222 | DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); | |
1223 | goto exit_login; | |
1224 | } | |
1225 | ||
1226 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
1227 | ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
1228 | if (ret == QLA_ERROR) { | |
1229 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, | |
1230 | sess->targetname); | |
1231 | goto exit_login; | |
1232 | } | |
1233 | ||
1234 | exit_login: | |
1235 | if (fw_ddb_entry) | |
1236 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
1237 | } | |
1238 |