Commit | Line | Data |
---|---|---|
afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
4a4f51e9 | 3 | * Copyright (c) 2003-2013 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); |
b37ca418 | 110 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
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 | ||
b410982c TP |
285 | static int qla4_80xx_is_minidump_dma_capable(struct scsi_qla_host *ha, |
286 | struct qla4_8xxx_minidump_template_hdr *md_hdr) | |
287 | { | |
288 | int offset = (is_qla8022(ha)) ? QLA8022_TEMPLATE_CAP_OFFSET : | |
289 | QLA83XX_TEMPLATE_CAP_OFFSET; | |
290 | int rval = 1; | |
291 | uint32_t *cap_offset; | |
292 | ||
293 | cap_offset = (uint32_t *)((char *)md_hdr + offset); | |
294 | ||
295 | if (!(le32_to_cpu(*cap_offset) & BIT_0)) { | |
296 | ql4_printk(KERN_INFO, ha, "PEX DMA Not supported %d\n", | |
297 | *cap_offset); | |
298 | rval = 0; | |
299 | } | |
300 | ||
301 | return rval; | |
302 | } | |
303 | ||
068237c8 TP |
304 | /** |
305 | * qla4xxx_alloc_fw_dump - Allocate memory for minidump data. | |
306 | * @ha: pointer to host adapter structure. | |
307 | **/ | |
308 | void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) | |
309 | { | |
310 | int status; | |
311 | uint32_t capture_debug_level; | |
312 | int hdr_entry_bit, k; | |
313 | void *md_tmp; | |
314 | dma_addr_t md_tmp_dma; | |
315 | struct qla4_8xxx_minidump_template_hdr *md_hdr; | |
b410982c | 316 | int dma_capable; |
068237c8 TP |
317 | |
318 | if (ha->fw_dump) { | |
319 | ql4_printk(KERN_WARNING, ha, | |
320 | "Firmware dump previously allocated.\n"); | |
321 | return; | |
322 | } | |
323 | ||
324 | status = qla4xxx_req_template_size(ha); | |
325 | if (status != QLA_SUCCESS) { | |
326 | ql4_printk(KERN_INFO, ha, | |
327 | "scsi%ld: Failed to get template size\n", | |
328 | ha->host_no); | |
329 | return; | |
330 | } | |
331 | ||
332 | clear_bit(AF_82XX_FW_DUMPED, &ha->flags); | |
333 | ||
334 | /* Allocate memory for saving the template */ | |
335 | md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, | |
336 | &md_tmp_dma, GFP_KERNEL); | |
a5c277ec ML |
337 | if (!md_tmp) { |
338 | ql4_printk(KERN_INFO, ha, | |
339 | "scsi%ld: Failed to allocate DMA memory\n", | |
340 | ha->host_no); | |
341 | return; | |
342 | } | |
068237c8 TP |
343 | |
344 | /* Request template */ | |
345 | status = qla4xxx_get_minidump_template(ha, md_tmp_dma); | |
346 | if (status != QLA_SUCCESS) { | |
347 | ql4_printk(KERN_INFO, ha, | |
348 | "scsi%ld: Failed to get minidump template\n", | |
349 | ha->host_no); | |
350 | goto alloc_cleanup; | |
351 | } | |
352 | ||
353 | md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp; | |
354 | ||
b410982c TP |
355 | dma_capable = qla4_80xx_is_minidump_dma_capable(ha, md_hdr); |
356 | ||
068237c8 TP |
357 | capture_debug_level = md_hdr->capture_debug_level; |
358 | ||
359 | /* Get capture mask based on module loadtime setting. */ | |
b410982c TP |
360 | if ((ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) || |
361 | (ql4xmdcapmask == 0xFF && dma_capable)) { | |
068237c8 | 362 | ha->fw_dump_capture_mask = ql4xmdcapmask; |
b410982c TP |
363 | } else { |
364 | if (ql4xmdcapmask == 0xFF) | |
365 | ql4_printk(KERN_INFO, ha, "Falling back to default capture mask, as PEX DMA is not supported\n"); | |
068237c8 | 366 | ha->fw_dump_capture_mask = capture_debug_level; |
b410982c | 367 | } |
068237c8 TP |
368 | |
369 | md_hdr->driver_capture_mask = ha->fw_dump_capture_mask; | |
370 | ||
371 | DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n", | |
372 | md_hdr->num_of_entries)); | |
373 | DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n", | |
374 | ha->fw_dump_tmplt_size)); | |
375 | DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n", | |
376 | ha->fw_dump_capture_mask)); | |
377 | ||
378 | /* Calculate fw_dump_size */ | |
379 | for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF); | |
380 | hdr_entry_bit <<= 1, k++) { | |
381 | if (hdr_entry_bit & ha->fw_dump_capture_mask) | |
382 | ha->fw_dump_size += md_hdr->capture_size_array[k]; | |
383 | } | |
384 | ||
385 | /* Total firmware dump size including command header */ | |
386 | ha->fw_dump_size += ha->fw_dump_tmplt_size; | |
387 | ha->fw_dump = vmalloc(ha->fw_dump_size); | |
388 | if (!ha->fw_dump) | |
389 | goto alloc_cleanup; | |
390 | ||
391 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
392 | "Minidump Tempalate Size = 0x%x KB\n", | |
393 | ha->fw_dump_tmplt_size)); | |
394 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
395 | "Total Minidump size = 0x%x KB\n", ha->fw_dump_size)); | |
396 | ||
397 | memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size); | |
398 | ha->fw_dump_tmplt_hdr = ha->fw_dump; | |
399 | ||
400 | alloc_cleanup: | |
401 | dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, | |
402 | md_tmp, md_tmp_dma); | |
403 | } | |
404 | ||
afaf5a2d DS |
405 | static int qla4xxx_fw_ready(struct scsi_qla_host *ha) |
406 | { | |
407 | uint32_t timeout_count; | |
408 | int ready = 0; | |
409 | ||
c2660df3 | 410 | DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); |
afaf5a2d DS |
411 | for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; |
412 | timeout_count--) { | |
413 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
414 | qla4xxx_get_dhcp_ip_address(ha); | |
415 | ||
416 | /* Get firmware state. */ | |
417 | if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { | |
418 | DEBUG2(printk("scsi%ld: %s: unable to get firmware " | |
419 | "state\n", ha->host_no, __func__)); | |
420 | break; | |
afaf5a2d DS |
421 | } |
422 | ||
423 | if (ha->firmware_state & FW_STATE_ERROR) { | |
424 | DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" | |
425 | " occurred\n", ha->host_no, __func__)); | |
426 | break; | |
427 | ||
428 | } | |
429 | if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { | |
430 | /* | |
431 | * The firmware has not yet been issued an Initialize | |
432 | * Firmware command, so issue it now. | |
433 | */ | |
434 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) | |
435 | break; | |
436 | ||
437 | /* Go back and test for ready state - no wait. */ | |
438 | continue; | |
439 | } | |
440 | ||
2a49a78e VC |
441 | if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
442 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" | |
443 | "AUTOCONNECT in progress\n", | |
444 | ha->host_no, __func__)); | |
445 | } | |
446 | ||
447 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { | |
448 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" | |
449 | " CONFIGURING IP\n", | |
450 | ha->host_no, __func__)); | |
451 | /* | |
452 | * Check for link state after 15 secs and if link is | |
453 | * still DOWN then, cable is unplugged. Ignore "DHCP | |
454 | * in Progress/CONFIGURING IP" bit to check if firmware | |
455 | * is in ready state or not after 15 secs. | |
456 | * This is applicable for both 2.x & 3.x firmware | |
457 | */ | |
458 | if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { | |
459 | if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { | |
460 | DEBUG2(printk(KERN_INFO "scsi%ld: %s:" | |
461 | " LINK UP (Cable plugged)\n", | |
462 | ha->host_no, __func__)); | |
463 | } else if (ha->firmware_state & | |
464 | (FW_STATE_CONFIGURING_IP | | |
465 | FW_STATE_READY)) { | |
466 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " | |
467 | "LINK DOWN (Cable unplugged)\n", | |
468 | ha->host_no, __func__)); | |
469 | ha->firmware_state = FW_STATE_READY; | |
470 | } | |
471 | } | |
472 | } | |
473 | ||
afaf5a2d | 474 | if (ha->firmware_state == FW_STATE_READY) { |
2a49a78e VC |
475 | /* If DHCP IP Addr is available, retrieve it now. */ |
476 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, | |
477 | &ha->dpc_flags)) | |
478 | qla4xxx_get_dhcp_ip_address(ha); | |
479 | ||
480 | if (!qla4xxx_wait_for_ip_config(ha) || | |
481 | timeout_count == 1) { | |
c2660df3 VC |
482 | DEBUG2(ql4_printk(KERN_INFO, ha, |
483 | "Firmware Ready..\n")); | |
2a49a78e VC |
484 | /* The firmware is ready to process SCSI |
485 | commands. */ | |
c2660df3 | 486 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
487 | "scsi%ld: %s: MEDIA TYPE" |
488 | " - %s\n", ha->host_no, | |
489 | __func__, (ha->addl_fw_state & | |
490 | FW_ADDSTATE_OPTICAL_MEDIA) | |
491 | != 0 ? "OPTICAL" : "COPPER")); | |
c2660df3 | 492 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
493 | "scsi%ld: %s: DHCPv4 STATE" |
494 | " Enabled %s\n", ha->host_no, | |
495 | __func__, (ha->addl_fw_state & | |
496 | FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? | |
497 | "YES" : "NO")); | |
c2660df3 | 498 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
499 | "scsi%ld: %s: LINK %s\n", |
500 | ha->host_no, __func__, | |
501 | (ha->addl_fw_state & | |
502 | FW_ADDSTATE_LINK_UP) != 0 ? | |
503 | "UP" : "DOWN")); | |
c2660df3 | 504 | DEBUG2(ql4_printk(KERN_INFO, ha, |
2a49a78e VC |
505 | "scsi%ld: %s: iSNS Service " |
506 | "Started %s\n", | |
507 | ha->host_no, __func__, | |
508 | (ha->addl_fw_state & | |
509 | FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? | |
510 | "YES" : "NO")); | |
511 | ||
512 | ready = 1; | |
513 | break; | |
514 | } | |
afaf5a2d DS |
515 | } |
516 | DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " | |
517 | "seconds expired= %d\n", ha->host_no, __func__, | |
518 | ha->firmware_state, ha->addl_fw_state, | |
519 | timeout_count)); | |
d915058f DS |
520 | if (is_qla4032(ha) && |
521 | !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && | |
522 | (timeout_count < ADAPTER_INIT_TOV - 5)) { | |
523 | break; | |
524 | } | |
525 | ||
afaf5a2d DS |
526 | msleep(1000); |
527 | } /* end of for */ | |
528 | ||
2a49a78e | 529 | if (timeout_count <= 0) |
afaf5a2d DS |
530 | DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", |
531 | ha->host_no, __func__)); | |
532 | ||
2a49a78e VC |
533 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { |
534 | DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " | |
535 | "it's waiting to configure an IP address\n", | |
536 | ha->host_no, __func__)); | |
afaf5a2d | 537 | ready = 1; |
2a49a78e VC |
538 | } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
539 | DEBUG2(printk("scsi%ld: %s: FW initialized, but " | |
540 | "auto-discovery still in process\n", | |
541 | ha->host_no, __func__)); | |
b966346c | 542 | ready = 1; |
afaf5a2d DS |
543 | } |
544 | ||
545 | return ready; | |
546 | } | |
547 | ||
548 | /** | |
549 | * qla4xxx_init_firmware - initializes the firmware. | |
550 | * @ha: pointer to host adapter structure. | |
551 | * | |
552 | **/ | |
553 | static int qla4xxx_init_firmware(struct scsi_qla_host *ha) | |
554 | { | |
555 | int status = QLA_ERROR; | |
556 | ||
2232be0d LC |
557 | if (is_aer_supported(ha) && |
558 | test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
559 | return status; | |
560 | ||
9d4946f8 LC |
561 | /* For 82xx, stop firmware before initializing because if BIOS |
562 | * has previously initialized firmware, then driver's initialize | |
563 | * firmware will fail. */ | |
6e7b4292 | 564 | if (is_qla80XX(ha)) |
9d4946f8 LC |
565 | qla4_8xxx_stop_firmware(ha); |
566 | ||
c2660df3 | 567 | ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); |
afaf5a2d DS |
568 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { |
569 | DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " | |
570 | "control block\n", ha->host_no, __func__)); | |
571 | return status; | |
572 | } | |
068237c8 | 573 | |
afaf5a2d DS |
574 | if (!qla4xxx_fw_ready(ha)) |
575 | return status; | |
576 | ||
6e7b4292 | 577 | if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags)) |
068237c8 TP |
578 | qla4xxx_alloc_fw_dump(ha); |
579 | ||
afaf5a2d DS |
580 | return qla4xxx_get_firmware_status(ha); |
581 | } | |
582 | ||
91ec7cec VC |
583 | static void qla4xxx_set_model_info(struct scsi_qla_host *ha) |
584 | { | |
585 | uint16_t board_id_string[8]; | |
586 | int i; | |
587 | int size = sizeof(ha->nvram->isp4022.boardIdStr); | |
588 | int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; | |
589 | ||
590 | for (i = 0; i < (size / 2) ; i++) { | |
591 | board_id_string[i] = rd_nvram_word(ha, offset); | |
592 | offset += 1; | |
593 | } | |
594 | ||
595 | memcpy(ha->model_name, board_id_string, size); | |
596 | } | |
597 | ||
afaf5a2d DS |
598 | static int qla4xxx_config_nvram(struct scsi_qla_host *ha) |
599 | { | |
600 | unsigned long flags; | |
601 | union external_hw_config_reg extHwConfig; | |
602 | ||
603 | DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, | |
604 | __func__)); | |
605 | if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) | |
b3925514 | 606 | return QLA_ERROR; |
afaf5a2d DS |
607 | if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { |
608 | ql4xxx_unlock_flash(ha); | |
b3925514 | 609 | return QLA_ERROR; |
afaf5a2d DS |
610 | } |
611 | ||
612 | /* Get EEPRom Parameters from NVRAM and validate */ | |
c2660df3 | 613 | ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); |
afaf5a2d DS |
614 | if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { |
615 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
616 | extHwConfig.Asuint32_t = | |
617 | rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); | |
618 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
619 | } else { | |
c2660df3 VC |
620 | ql4_printk(KERN_WARNING, ha, |
621 | "scsi%ld: %s: EEProm checksum invalid. " | |
622 | "Please update your EEPROM\n", ha->host_no, | |
623 | __func__); | |
afaf5a2d | 624 | |
b3925514 | 625 | /* Attempt to set defaults */ |
afaf5a2d DS |
626 | if (is_qla4010(ha)) |
627 | extHwConfig.Asuint32_t = 0x1912; | |
d915058f | 628 | else if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d | 629 | extHwConfig.Asuint32_t = 0x0023; |
b3925514 MC |
630 | else |
631 | return QLA_ERROR; | |
afaf5a2d | 632 | } |
91ec7cec VC |
633 | |
634 | if (is_qla4022(ha) || is_qla4032(ha)) | |
635 | qla4xxx_set_model_info(ha); | |
636 | else | |
637 | strcpy(ha->model_name, "QLA4010"); | |
638 | ||
afaf5a2d DS |
639 | DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", |
640 | ha->host_no, __func__, extHwConfig.Asuint32_t)); | |
641 | ||
642 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
643 | writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); | |
644 | readl(isp_ext_hw_conf(ha)); | |
645 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
646 | ||
647 | ql4xxx_unlock_nvram(ha); | |
648 | ql4xxx_unlock_flash(ha); | |
649 | ||
b3925514 | 650 | return QLA_SUCCESS; |
afaf5a2d DS |
651 | } |
652 | ||
f4f5df23 VC |
653 | /** |
654 | * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. | |
655 | * @ha: HA context | |
656 | */ | |
657 | void qla4_8xxx_pci_config(struct scsi_qla_host *ha) | |
658 | { | |
659 | pci_set_master(ha->pdev); | |
660 | } | |
661 | ||
662 | void qla4xxx_pci_config(struct scsi_qla_host *ha) | |
afaf5a2d | 663 | { |
92b72736 | 664 | uint16_t w; |
46235e60 | 665 | int status; |
afaf5a2d | 666 | |
c2660df3 | 667 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
afaf5a2d DS |
668 | |
669 | pci_set_master(ha->pdev); | |
46235e60 | 670 | status = pci_set_mwi(ha->pdev); |
afaf5a2d DS |
671 | /* |
672 | * We want to respect framework's setting of PCI configuration space | |
673 | * command register and also want to make sure that all bits of | |
674 | * interest to us are properly set in command register. | |
675 | */ | |
676 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); | |
92b72736 | 677 | w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; |
afaf5a2d DS |
678 | w &= ~PCI_COMMAND_INTX_DISABLE; |
679 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); | |
680 | } | |
681 | ||
682 | static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) | |
683 | { | |
684 | int status = QLA_ERROR; | |
c301b026 | 685 | unsigned long max_wait_time; |
afaf5a2d DS |
686 | unsigned long flags; |
687 | uint32_t mbox_status; | |
688 | ||
c2660df3 | 689 | ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); |
afaf5a2d DS |
690 | |
691 | /* | |
692 | * Start firmware from flash ROM | |
693 | * | |
694 | * WORKAROUND: Stuff a non-constant value that the firmware can | |
695 | * use as a seed for a random number generator in MB7 prior to | |
696 | * setting BOOT_ENABLE. Fixes problem where the TCP | |
697 | * connections use the same TCP ports after each reboot, | |
698 | * causing some connections to not get re-established. | |
699 | */ | |
700 | DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", | |
701 | ha->host_no, __func__)); | |
702 | ||
703 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
704 | writel(jiffies, &ha->reg->mailbox[7]); | |
d915058f | 705 | if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d DS |
706 | writel(set_rmask(NVR_WRITE_ENABLE), |
707 | &ha->reg->u1.isp4022.nvram); | |
708 | ||
92b72736 DS |
709 | writel(2, &ha->reg->mailbox[6]); |
710 | readl(&ha->reg->mailbox[6]); | |
711 | ||
afaf5a2d DS |
712 | writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); |
713 | readl(&ha->reg->ctrl_status); | |
714 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
715 | ||
716 | /* Wait for firmware to come UP. */ | |
c301b026 VC |
717 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " |
718 | "boot firmware to complete...\n", | |
719 | ha->host_no, __func__, FIRMWARE_UP_TOV)); | |
720 | max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); | |
afaf5a2d DS |
721 | do { |
722 | uint32_t ctrl_status; | |
723 | ||
724 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
725 | ctrl_status = readw(&ha->reg->ctrl_status); | |
726 | mbox_status = readw(&ha->reg->mailbox[0]); | |
727 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
728 | ||
729 | if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) | |
730 | break; | |
731 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) | |
732 | break; | |
733 | ||
c301b026 | 734 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " |
f581a3f7 VC |
735 | "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", |
736 | ha->host_no, __func__, ctrl_status, max_wait_time)); | |
afaf5a2d | 737 | |
c301b026 VC |
738 | msleep_interruptible(250); |
739 | } while (!time_after_eq(jiffies, max_wait_time)); | |
afaf5a2d DS |
740 | |
741 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { | |
c301b026 | 742 | DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", |
afaf5a2d DS |
743 | ha->host_no, __func__)); |
744 | ||
745 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
746 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
747 | &ha->reg->ctrl_status); | |
748 | readl(&ha->reg->ctrl_status); | |
749 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
750 | ||
751 | status = QLA_SUCCESS; | |
752 | } else { | |
753 | printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " | |
754 | "- mbox status 0x%x\n", ha->host_no, __func__, | |
755 | mbox_status); | |
756 | status = QLA_ERROR; | |
757 | } | |
758 | return status; | |
759 | } | |
760 | ||
92b72736 | 761 | int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) |
afaf5a2d | 762 | { |
92b72736 | 763 | #define QL4_LOCK_DRVR_WAIT 60 |
477ffb9d | 764 | #define QL4_LOCK_DRVR_SLEEP 1 |
afaf5a2d DS |
765 | |
766 | int drvr_wait = QL4_LOCK_DRVR_WAIT; | |
767 | while (drvr_wait) { | |
92b72736 | 768 | if (ql4xxx_lock_drvr(a) == 0) { |
477ffb9d | 769 | ssleep(QL4_LOCK_DRVR_SLEEP); |
afaf5a2d DS |
770 | if (drvr_wait) { |
771 | DEBUG2(printk("scsi%ld: %s: Waiting for " | |
92b72736 DS |
772 | "Global Init Semaphore(%d)...\n", |
773 | a->host_no, | |
477ffb9d | 774 | __func__, drvr_wait)); |
afaf5a2d DS |
775 | } |
776 | drvr_wait -= QL4_LOCK_DRVR_SLEEP; | |
777 | } else { | |
778 | DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " | |
92b72736 | 779 | "acquired\n", a->host_no, __func__)); |
afaf5a2d DS |
780 | return QLA_SUCCESS; |
781 | } | |
782 | } | |
783 | return QLA_ERROR; | |
784 | } | |
785 | ||
786 | /** | |
787 | * qla4xxx_start_firmware - starts qla4xxx firmware | |
788 | * @ha: Pointer to host adapter structure. | |
789 | * | |
3a4fa0a2 | 790 | * This routine performs the necessary steps to start the firmware for |
afaf5a2d DS |
791 | * the QLA4010 adapter. |
792 | **/ | |
f4f5df23 | 793 | int qla4xxx_start_firmware(struct scsi_qla_host *ha) |
afaf5a2d DS |
794 | { |
795 | unsigned long flags = 0; | |
796 | uint32_t mbox_status; | |
797 | int status = QLA_ERROR; | |
798 | int soft_reset = 1; | |
799 | int config_chip = 0; | |
800 | ||
d915058f | 801 | if (is_qla4022(ha) | is_qla4032(ha)) |
afaf5a2d DS |
802 | ql4xxx_set_mac_number(ha); |
803 | ||
804 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) | |
805 | return QLA_ERROR; | |
806 | ||
807 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
808 | ||
809 | DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, | |
810 | __func__, readw(isp_port_ctrl(ha)))); | |
811 | DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, | |
812 | __func__, readw(isp_port_status(ha)))); | |
813 | ||
814 | /* Is Hardware already initialized? */ | |
815 | if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { | |
816 | DEBUG(printk("scsi%ld: %s: Hardware has already been " | |
817 | "initialized\n", ha->host_no, __func__)); | |
818 | ||
819 | /* Receive firmware boot acknowledgement */ | |
820 | mbox_status = readw(&ha->reg->mailbox[0]); | |
821 | ||
822 | DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " | |
823 | "0x%x\n", ha->host_no, __func__, mbox_status)); | |
824 | ||
825 | /* Is firmware already booted? */ | |
826 | if (mbox_status == 0) { | |
827 | /* F/W not running, must be config by net driver */ | |
828 | config_chip = 1; | |
829 | soft_reset = 0; | |
830 | } else { | |
831 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
832 | &ha->reg->ctrl_status); | |
833 | readl(&ha->reg->ctrl_status); | |
78764999 SR |
834 | writel(set_rmask(CSR_SCSI_COMPLETION_INTR), |
835 | &ha->reg->ctrl_status); | |
836 | readl(&ha->reg->ctrl_status); | |
afaf5a2d DS |
837 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
838 | if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { | |
839 | DEBUG2(printk("scsi%ld: %s: Get firmware " | |
840 | "state -- state = 0x%x\n", | |
841 | ha->host_no, | |
842 | __func__, ha->firmware_state)); | |
843 | /* F/W is running */ | |
844 | if (ha->firmware_state & | |
845 | FW_STATE_CONFIG_WAIT) { | |
846 | DEBUG2(printk("scsi%ld: %s: Firmware " | |
847 | "in known state -- " | |
848 | "config and " | |
849 | "boot, state = 0x%x\n", | |
850 | ha->host_no, __func__, | |
851 | ha->firmware_state)); | |
852 | config_chip = 1; | |
853 | soft_reset = 0; | |
854 | } | |
855 | } else { | |
856 | DEBUG2(printk("scsi%ld: %s: Firmware in " | |
857 | "unknown state -- resetting," | |
858 | " state = " | |
859 | "0x%x\n", ha->host_no, __func__, | |
860 | ha->firmware_state)); | |
861 | } | |
862 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
863 | } | |
864 | } else { | |
865 | DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " | |
866 | "started - resetting\n", ha->host_no, __func__)); | |
867 | } | |
868 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
869 | ||
870 | DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", | |
871 | ha->host_no, __func__, soft_reset, config_chip)); | |
872 | if (soft_reset) { | |
873 | DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, | |
874 | __func__)); | |
f4f5df23 VC |
875 | status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr |
876 | * lock again, but ok */ | |
afaf5a2d DS |
877 | if (status == QLA_ERROR) { |
878 | DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", | |
879 | ha->host_no, __func__)); | |
880 | ql4xxx_unlock_drvr(ha); | |
881 | return QLA_ERROR; | |
882 | } | |
883 | config_chip = 1; | |
884 | ||
b1c11812 | 885 | /* Reset clears the semaphore, so acquire again */ |
afaf5a2d DS |
886 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
887 | return QLA_ERROR; | |
888 | } | |
889 | ||
890 | if (config_chip) { | |
891 | if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) | |
892 | status = qla4xxx_start_firmware_from_flash(ha); | |
893 | } | |
894 | ||
895 | ql4xxx_unlock_drvr(ha); | |
896 | if (status == QLA_SUCCESS) { | |
afaf5a2d DS |
897 | if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) |
898 | qla4xxx_get_crash_record(ha); | |
aa6db9b9 VC |
899 | |
900 | qla4xxx_init_rings(ha); | |
afaf5a2d DS |
901 | } else { |
902 | DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", | |
903 | ha->host_no, __func__)); | |
904 | } | |
905 | return status; | |
906 | } | |
166dd20d LC |
907 | /** |
908 | * qla4xxx_free_ddb_index - Free DDBs reserved by firmware | |
909 | * @ha: pointer to adapter structure | |
910 | * | |
911 | * Since firmware is not running in autoconnect mode the DDB indices should | |
912 | * be freed so that when login happens from user space there are free DDB | |
913 | * indices available. | |
914 | **/ | |
13483730 | 915 | void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) |
166dd20d LC |
916 | { |
917 | int max_ddbs; | |
918 | int ret; | |
919 | uint32_t idx = 0, next_idx = 0; | |
920 | uint32_t state = 0, conn_err = 0; | |
921 | ||
13483730 | 922 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
166dd20d LC |
923 | MAX_DEV_DB_ENTRIES; |
924 | ||
925 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
926 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, | |
927 | &next_idx, &state, &conn_err, | |
928 | NULL, NULL); | |
e1cd89c5 TH |
929 | if (ret == QLA_ERROR) { |
930 | next_idx++; | |
166dd20d | 931 | continue; |
e1cd89c5 | 932 | } |
166dd20d LC |
933 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
934 | state == DDB_DS_SESSION_FAILED) { | |
935 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
936 | "Freeing DDB index = 0x%x\n", idx)); | |
937 | ret = qla4xxx_clear_ddb_entry(ha, idx); | |
938 | if (ret == QLA_ERROR) | |
939 | ql4_printk(KERN_ERR, ha, | |
940 | "Unable to clear DDB index = " | |
941 | "0x%x\n", idx); | |
942 | } | |
943 | if (next_idx == 0) | |
944 | break; | |
945 | } | |
946 | } | |
afaf5a2d | 947 | |
afaf5a2d DS |
948 | /** |
949 | * qla4xxx_initialize_adapter - initiailizes hba | |
950 | * @ha: Pointer to host adapter structure. | |
afaf5a2d DS |
951 | * |
952 | * This routine parforms all of the steps necessary to initialize the adapter. | |
953 | * | |
954 | **/ | |
13483730 | 955 | int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) |
afaf5a2d DS |
956 | { |
957 | int status = QLA_ERROR; | |
afaf5a2d DS |
958 | |
959 | ha->eeprom_cmd_data = 0; | |
960 | ||
f4f5df23 VC |
961 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
962 | ha->isp_ops->pci_config(ha); | |
afaf5a2d | 963 | |
f4f5df23 | 964 | ha->isp_ops->disable_intrs(ha); |
afaf5a2d DS |
965 | |
966 | /* Initialize the Host adapter request/response queues and firmware */ | |
f4f5df23 VC |
967 | if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) |
968 | goto exit_init_hba; | |
969 | ||
5c19b92a VC |
970 | /* |
971 | * For ISP83XX, mailbox and IOCB interrupts are enabled separately. | |
972 | * Mailbox interrupts must be enabled prior to issuing any mailbox | |
973 | * command in order to prevent the possibility of losing interrupts | |
974 | * while switching from polling to interrupt mode. IOCB interrupts are | |
975 | * enabled via isp_ops->enable_intrs. | |
976 | */ | |
b37ca418 | 977 | if (is_qla8032(ha) || is_qla8042(ha)) |
5c19b92a VC |
978 | qla4_83xx_enable_mbox_intrs(ha); |
979 | ||
7ad633c0 | 980 | if (qla4xxx_about_firmware(ha) == QLA_ERROR) |
46235e60 | 981 | goto exit_init_hba; |
afaf5a2d | 982 | |
f4f5df23 | 983 | if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) |
46235e60 | 984 | goto exit_init_hba; |
afaf5a2d | 985 | |
ff4108dc | 986 | qla4xxx_init_local_data(ha); |
afaf5a2d DS |
987 | |
988 | status = qla4xxx_init_firmware(ha); | |
989 | if (status == QLA_ERROR) | |
46235e60 | 990 | goto exit_init_hba; |
afaf5a2d | 991 | |
13483730 MC |
992 | if (is_reset == RESET_ADAPTER) |
993 | qla4xxx_build_ddb_list(ha, is_reset); | |
166dd20d | 994 | |
92b72736 | 995 | set_bit(AF_ONLINE, &ha->flags); |
3710c60c | 996 | |
37418cc6 | 997 | exit_init_hba: |
f4f5df23 | 998 | DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, |
25985edc | 999 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 1000 | return status; |
afaf5a2d DS |
1001 | } |
1002 | ||
13483730 MC |
1003 | int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, |
1004 | struct ddb_entry *ddb_entry, uint32_t state) | |
afaf5a2d | 1005 | { |
b3a271a9 MR |
1006 | uint32_t old_fw_ddb_device_state; |
1007 | int status = QLA_ERROR; | |
afaf5a2d | 1008 | |
b3a271a9 MR |
1009 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; |
1010 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1011 | "%s: DDB - old state = 0x%x, new state = 0x%x for " | |
1012 | "index [%d]\n", __func__, | |
1013 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); | |
afaf5a2d DS |
1014 | |
1015 | ddb_entry->fw_ddb_device_state = state; | |
065aa1b4 | 1016 | |
b3a271a9 MR |
1017 | switch (old_fw_ddb_device_state) { |
1018 | case DDB_DS_LOGIN_IN_PROCESS: | |
1019 | switch (state) { | |
1020 | case DDB_DS_SESSION_ACTIVE: | |
1021 | case DDB_DS_DISCOVERY: | |
b3a271a9 | 1022 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
3d948e2a | 1023 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 MR |
1024 | status = QLA_SUCCESS; |
1025 | break; | |
1026 | case DDB_DS_SESSION_FAILED: | |
1027 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
1028 | iscsi_conn_login_event(ddb_entry->conn, | |
1029 | ISCSI_CONN_STATE_FREE); | |
1030 | status = QLA_SUCCESS; | |
1031 | break; | |
1032 | } | |
1033 | break; | |
1034 | case DDB_DS_SESSION_ACTIVE: | |
3d948e2a | 1035 | case DDB_DS_DISCOVERY: |
736cf369 MR |
1036 | switch (state) { |
1037 | case DDB_DS_SESSION_FAILED: | |
afaf5a2d | 1038 | /* |
b3a271a9 MR |
1039 | * iscsi_session failure will cause userspace to |
1040 | * stop the connection which in turn would block the | |
1041 | * iscsi_session and start relogin | |
afaf5a2d | 1042 | */ |
b3a271a9 MR |
1043 | iscsi_session_failure(ddb_entry->sess->dd_data, |
1044 | ISCSI_ERR_CONN_FAILED); | |
1045 | status = QLA_SUCCESS; | |
736cf369 MR |
1046 | break; |
1047 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
1048 | clear_bit(fw_ddb_index, ha->ddb_idx_map); | |
1049 | status = QLA_SUCCESS; | |
1050 | break; | |
afaf5a2d | 1051 | } |
b3a271a9 | 1052 | break; |
98270ab4 MR |
1053 | case DDB_DS_SESSION_FAILED: |
1054 | switch (state) { | |
1055 | case DDB_DS_SESSION_ACTIVE: | |
1056 | case DDB_DS_DISCOVERY: | |
13483730 | 1057 | ddb_entry->unblock_sess(ddb_entry->sess); |
98270ab4 MR |
1058 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
1059 | status = QLA_SUCCESS; | |
1060 | break; | |
1061 | case DDB_DS_SESSION_FAILED: | |
1062 | iscsi_session_failure(ddb_entry->sess->dd_data, | |
1063 | ISCSI_ERR_CONN_FAILED); | |
1064 | status = QLA_SUCCESS; | |
1065 | break; | |
1066 | } | |
1067 | break; | |
b3a271a9 MR |
1068 | default: |
1069 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", | |
1070 | __func__)); | |
1071 | break; | |
afaf5a2d | 1072 | } |
13483730 MC |
1073 | return status; |
1074 | } | |
1075 | ||
1076 | void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) | |
1077 | { | |
1078 | /* | |
1079 | * This triggers a relogin. After the relogin_timer | |
1080 | * expires, the relogin gets scheduled. We must wait a | |
1081 | * minimum amount of time since receiving an 0x8014 AEN | |
1082 | * with failed device_state or a logout response before | |
1083 | * we can issue another relogin. | |
1084 | * | |
1085 | * Firmware pads this timeout: (time2wait +1). | |
1086 | * Driver retry to login should be longer than F/W. | |
1087 | * Otherwise F/W will fail | |
1088 | * set_ddb() mbx cmd with 0x4005 since it still | |
1089 | * counting down its time2wait. | |
1090 | */ | |
1091 | atomic_set(&ddb_entry->relogin_timer, 0); | |
1092 | atomic_set(&ddb_entry->retry_relogin_timer, | |
1093 | ddb_entry->default_time2wait + 4); | |
1094 | ||
1095 | } | |
1096 | ||
1097 | int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, | |
1098 | struct ddb_entry *ddb_entry, uint32_t state) | |
1099 | { | |
1100 | uint32_t old_fw_ddb_device_state; | |
1101 | int status = QLA_ERROR; | |
1102 | ||
1103 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; | |
1104 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1105 | "%s: DDB - old state = 0x%x, new state = 0x%x for " | |
1106 | "index [%d]\n", __func__, | |
1107 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); | |
1108 | ||
1109 | ddb_entry->fw_ddb_device_state = state; | |
1110 | ||
1111 | switch (old_fw_ddb_device_state) { | |
1112 | case DDB_DS_LOGIN_IN_PROCESS: | |
1113 | case DDB_DS_NO_CONNECTION_ACTIVE: | |
1114 | switch (state) { | |
1115 | case DDB_DS_SESSION_ACTIVE: | |
1116 | ddb_entry->unblock_sess(ddb_entry->sess); | |
1117 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); | |
1118 | status = QLA_SUCCESS; | |
1119 | break; | |
1120 | case DDB_DS_SESSION_FAILED: | |
1121 | iscsi_block_session(ddb_entry->sess); | |
1122 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1123 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1124 | status = QLA_SUCCESS; | |
1125 | break; | |
1126 | } | |
1127 | break; | |
1128 | case DDB_DS_SESSION_ACTIVE: | |
1129 | switch (state) { | |
1130 | case DDB_DS_SESSION_FAILED: | |
1131 | iscsi_block_session(ddb_entry->sess); | |
1132 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1133 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1134 | status = QLA_SUCCESS; | |
1135 | break; | |
1136 | } | |
1137 | break; | |
1138 | case DDB_DS_SESSION_FAILED: | |
1139 | switch (state) { | |
1140 | case DDB_DS_SESSION_ACTIVE: | |
1141 | ddb_entry->unblock_sess(ddb_entry->sess); | |
1142 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); | |
1143 | status = QLA_SUCCESS; | |
1144 | break; | |
1145 | case DDB_DS_SESSION_FAILED: | |
1146 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
1147 | qla4xxx_arm_relogin_timer(ddb_entry); | |
1148 | status = QLA_SUCCESS; | |
1149 | break; | |
1150 | } | |
1151 | break; | |
1152 | default: | |
1153 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", | |
1154 | __func__)); | |
1155 | break; | |
1156 | } | |
1157 | return status; | |
1158 | } | |
1159 | ||
1160 | /** | |
1161 | * qla4xxx_process_ddb_changed - process ddb state change | |
1162 | * @ha - Pointer to host adapter structure. | |
1163 | * @fw_ddb_index - Firmware's device database index | |
1164 | * @state - Device state | |
1165 | * | |
1166 | * This routine processes a Decive Database Changed AEN Event. | |
1167 | **/ | |
1168 | int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, | |
1169 | uint32_t fw_ddb_index, | |
1170 | uint32_t state, uint32_t conn_err) | |
1171 | { | |
1172 | struct ddb_entry *ddb_entry; | |
1173 | int status = QLA_ERROR; | |
1174 | ||
1175 | /* check for out of range index */ | |
1176 | if (fw_ddb_index >= MAX_DDB_ENTRIES) | |
1177 | goto exit_ddb_event; | |
1178 | ||
1179 | /* Get the corresponging ddb entry */ | |
1180 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); | |
1181 | /* Device does not currently exist in our database. */ | |
1182 | if (ddb_entry == NULL) { | |
1183 | ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", | |
1184 | __func__, fw_ddb_index); | |
1185 | ||
1186 | if (state == DDB_DS_NO_CONNECTION_ACTIVE) | |
1187 | clear_bit(fw_ddb_index, ha->ddb_idx_map); | |
1188 | ||
1189 | goto exit_ddb_event; | |
1190 | } | |
1191 | ||
1192 | ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); | |
b3a271a9 MR |
1193 | |
1194 | exit_ddb_event: | |
1195 | return status; | |
afaf5a2d | 1196 | } |
13483730 MC |
1197 | |
1198 | /** | |
1199 | * qla4xxx_login_flash_ddb - Login to target (DDB) | |
1200 | * @cls_session: Pointer to the session to login | |
1201 | * | |
1202 | * This routine logins to the target. | |
1203 | * Issues setddb and conn open mbx | |
1204 | **/ | |
1205 | void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) | |
1206 | { | |
1207 | struct iscsi_session *sess; | |
1208 | struct ddb_entry *ddb_entry; | |
1209 | struct scsi_qla_host *ha; | |
1210 | struct dev_db_entry *fw_ddb_entry = NULL; | |
1211 | dma_addr_t fw_ddb_dma; | |
1212 | uint32_t mbx_sts = 0; | |
1213 | int ret; | |
1214 | ||
1215 | sess = cls_session->dd_data; | |
1216 | ddb_entry = sess->dd_data; | |
1217 | ha = ddb_entry->ha; | |
1218 | ||
1219 | if (!test_bit(AF_LINK_UP, &ha->flags)) | |
1220 | return; | |
1221 | ||
1222 | if (ddb_entry->ddb_type != FLASH_DDB) { | |
1223 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1224 | "Skipping login to non FLASH DB")); | |
1225 | goto exit_login; | |
1226 | } | |
1227 | ||
1228 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
1229 | &fw_ddb_dma); | |
1230 | if (fw_ddb_entry == NULL) { | |
1231 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
1232 | goto exit_login; | |
1233 | } | |
1234 | ||
1235 | if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { | |
1236 | ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); | |
1237 | if (ret == QLA_ERROR) | |
1238 | goto exit_login; | |
1239 | ||
1240 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
1241 | ha->tot_ddbs++; | |
1242 | } | |
1243 | ||
1244 | memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, | |
1245 | sizeof(struct dev_db_entry)); | |
1246 | ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; | |
1247 | ||
1248 | ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, | |
1249 | fw_ddb_dma, &mbx_sts); | |
1250 | if (ret == QLA_ERROR) { | |
1251 | DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); | |
1252 | goto exit_login; | |
1253 | } | |
1254 | ||
1255 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
1256 | ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
1257 | if (ret == QLA_ERROR) { | |
1258 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, | |
1259 | sess->targetname); | |
1260 | goto exit_login; | |
1261 | } | |
1262 | ||
1263 | exit_login: | |
1264 | if (fw_ddb_entry) | |
1265 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
1266 | } | |
1267 |