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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
df7baa50 AV |
10 | #include <scsi/scsi_tcq.h> |
11 | ||
1da177e4 | 12 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
13 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
14 | struct req_que *, uint32_t); | |
15 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
1da177e4 | 16 | static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); |
73208dfd AC |
17 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
18 | sts_entry_t *); | |
e315cd28 | 19 | static struct scsi_qla_host *qla2x00_get_rsp_host(struct rsp_que *); |
9a853f71 | 20 | |
1da177e4 LT |
21 | /** |
22 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
23 | * @irq: | |
24 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
25 | * |
26 | * Called by system whenever the host adapter generates an interrupt. | |
27 | * | |
28 | * Returns handled flag. | |
29 | */ | |
30 | irqreturn_t | |
7d12e780 | 31 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 32 | { |
e315cd28 AC |
33 | scsi_qla_host_t *vha; |
34 | struct qla_hw_data *ha; | |
3d71644c | 35 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 36 | int status; |
1da177e4 | 37 | unsigned long iter; |
14e660e6 | 38 | uint16_t hccr; |
9a853f71 | 39 | uint16_t mb[4]; |
e315cd28 | 40 | struct rsp_que *rsp; |
1da177e4 | 41 | |
e315cd28 AC |
42 | rsp = (struct rsp_que *) dev_id; |
43 | if (!rsp) { | |
1da177e4 | 44 | printk(KERN_INFO |
e315cd28 | 45 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
46 | return (IRQ_NONE); |
47 | } | |
48 | ||
e315cd28 | 49 | ha = rsp->hw; |
3d71644c | 50 | reg = &ha->iobase->isp; |
1da177e4 LT |
51 | status = 0; |
52 | ||
c6952483 | 53 | spin_lock(&ha->hardware_lock); |
e315cd28 | 54 | vha = qla2x00_get_rsp_host(rsp); |
1da177e4 | 55 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
56 | hccr = RD_REG_WORD(®->hccr); |
57 | if (hccr & HCCR_RISC_PAUSE) { | |
58 | if (pci_channel_offline(ha->pdev)) | |
59 | break; | |
60 | ||
61 | /* | |
62 | * Issue a "HARD" reset in order for the RISC interrupt | |
63 | * bit to be cleared. Schedule a big hammmer to get | |
64 | * out of the RISC PAUSED state. | |
65 | */ | |
66 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
67 | RD_REG_WORD(®->hccr); | |
68 | ||
e315cd28 AC |
69 | ha->isp_ops->fw_dump(vha, 1); |
70 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
71 | break; |
72 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
73 | break; |
74 | ||
75 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
76 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
77 | RD_REG_WORD(®->hccr); | |
78 | ||
79 | /* Get mailbox data. */ | |
9a853f71 AV |
80 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
81 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 82 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 83 | status |= MBX_INTERRUPT; |
9a853f71 AV |
84 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
85 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
86 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
87 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 88 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
89 | } else { |
90 | /*EMPTY*/ | |
91 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 92 | "interrupt type (%d).\n", |
e315cd28 | 93 | vha->host_no, mb[0])); |
1da177e4 LT |
94 | } |
95 | /* Release mailbox registers. */ | |
96 | WRT_REG_WORD(®->semaphore, 0); | |
97 | RD_REG_WORD(®->semaphore); | |
98 | } else { | |
73208dfd | 99 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
100 | |
101 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
102 | RD_REG_WORD(®->hccr); | |
103 | } | |
104 | } | |
c6952483 | 105 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 106 | |
1da177e4 LT |
107 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
108 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 109 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 110 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
111 | } |
112 | ||
1da177e4 LT |
113 | return (IRQ_HANDLED); |
114 | } | |
115 | ||
116 | /** | |
117 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
118 | * @irq: | |
119 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
120 | * |
121 | * Called by system whenever the host adapter generates an interrupt. | |
122 | * | |
123 | * Returns handled flag. | |
124 | */ | |
125 | irqreturn_t | |
7d12e780 | 126 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 127 | { |
e315cd28 | 128 | scsi_qla_host_t *vha; |
3d71644c | 129 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 130 | int status; |
1da177e4 LT |
131 | unsigned long iter; |
132 | uint32_t stat; | |
1da177e4 | 133 | uint16_t hccr; |
9a853f71 | 134 | uint16_t mb[4]; |
e315cd28 AC |
135 | struct rsp_que *rsp; |
136 | struct qla_hw_data *ha; | |
1da177e4 | 137 | |
e315cd28 AC |
138 | rsp = (struct rsp_que *) dev_id; |
139 | if (!rsp) { | |
1da177e4 | 140 | printk(KERN_INFO |
e315cd28 | 141 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
142 | return (IRQ_NONE); |
143 | } | |
144 | ||
e315cd28 | 145 | ha = rsp->hw; |
3d71644c | 146 | reg = &ha->iobase->isp; |
1da177e4 LT |
147 | status = 0; |
148 | ||
c6952483 | 149 | spin_lock(&ha->hardware_lock); |
e315cd28 | 150 | vha = qla2x00_get_rsp_host(rsp); |
1da177e4 LT |
151 | for (iter = 50; iter--; ) { |
152 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
153 | if (stat & HSR_RISC_PAUSED) { | |
14e660e6 SJ |
154 | if (pci_channel_offline(ha->pdev)) |
155 | break; | |
156 | ||
1da177e4 LT |
157 | hccr = RD_REG_WORD(®->hccr); |
158 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
159 | qla_printk(KERN_INFO, ha, "Parity error -- " |
160 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 161 | else |
07f31805 AV |
162 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
163 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
164 | |
165 | /* | |
166 | * Issue a "HARD" reset in order for the RISC | |
167 | * interrupt bit to be cleared. Schedule a big | |
168 | * hammmer to get out of the RISC PAUSED state. | |
169 | */ | |
170 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
171 | RD_REG_WORD(®->hccr); | |
07f31805 | 172 | |
e315cd28 AC |
173 | ha->isp_ops->fw_dump(vha, 1); |
174 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
175 | break; |
176 | } else if ((stat & HSR_RISC_INT) == 0) | |
177 | break; | |
178 | ||
1da177e4 | 179 | switch (stat & 0xff) { |
1da177e4 LT |
180 | case 0x1: |
181 | case 0x2: | |
182 | case 0x10: | |
183 | case 0x11: | |
e315cd28 | 184 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
185 | status |= MBX_INTERRUPT; |
186 | ||
187 | /* Release mailbox registers. */ | |
188 | WRT_REG_WORD(®->semaphore, 0); | |
189 | break; | |
190 | case 0x12: | |
9a853f71 AV |
191 | mb[0] = MSW(stat); |
192 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
193 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
194 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 195 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
196 | break; |
197 | case 0x13: | |
73208dfd | 198 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
199 | break; |
200 | case 0x15: | |
9a853f71 AV |
201 | mb[0] = MBA_CMPLT_1_16BIT; |
202 | mb[1] = MSW(stat); | |
73208dfd | 203 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
204 | break; |
205 | case 0x16: | |
9a853f71 AV |
206 | mb[0] = MBA_SCSI_COMPLETION; |
207 | mb[1] = MSW(stat); | |
208 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 209 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
210 | break; |
211 | default: | |
212 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 213 | "(%d).\n", |
e315cd28 | 214 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
215 | break; |
216 | } | |
217 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
218 | RD_REG_WORD_RELAXED(®->hccr); | |
219 | } | |
c6952483 | 220 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 221 | |
1da177e4 LT |
222 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
223 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 224 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 225 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
226 | } |
227 | ||
1da177e4 LT |
228 | return (IRQ_HANDLED); |
229 | } | |
230 | ||
231 | /** | |
232 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
233 | * @ha: SCSI driver HA context | |
234 | * @mb0: Mailbox0 register | |
235 | */ | |
236 | static void | |
e315cd28 | 237 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
238 | { |
239 | uint16_t cnt; | |
240 | uint16_t __iomem *wptr; | |
e315cd28 | 241 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 242 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
243 | |
244 | /* Load return mailbox registers. */ | |
245 | ha->flags.mbox_int = 1; | |
246 | ha->mailbox_out[0] = mb0; | |
247 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
248 | ||
249 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 250 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
251 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
252 | if (cnt == 4 || cnt == 5) | |
253 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
254 | else | |
255 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 256 | |
1da177e4 LT |
257 | wptr++; |
258 | } | |
259 | ||
260 | if (ha->mcp) { | |
261 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 262 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
263 | } else { |
264 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 265 | __func__, vha->host_no)); |
1da177e4 LT |
266 | } |
267 | } | |
268 | ||
269 | /** | |
270 | * qla2x00_async_event() - Process aynchronous events. | |
271 | * @ha: SCSI driver HA context | |
9a853f71 | 272 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 273 | */ |
2c3dfe3f | 274 | void |
73208dfd | 275 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 276 | { |
9a853f71 | 277 | #define LS_UNKNOWN 2 |
c3a2f0df | 278 | static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; |
1da177e4 | 279 | char *link_speed; |
1da177e4 LT |
280 | uint16_t handle_cnt; |
281 | uint16_t cnt; | |
282 | uint32_t handles[5]; | |
e315cd28 | 283 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 284 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
285 | uint32_t rscn_entry, host_pid; |
286 | uint8_t rscn_queue_index; | |
4d4df193 | 287 | unsigned long flags; |
1da177e4 LT |
288 | |
289 | /* Setup to process RIO completion. */ | |
290 | handle_cnt = 0; | |
1da177e4 LT |
291 | switch (mb[0]) { |
292 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 293 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
294 | handle_cnt = 1; |
295 | break; | |
296 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 297 | handles[0] = mb[1]; |
1da177e4 LT |
298 | handle_cnt = 1; |
299 | mb[0] = MBA_SCSI_COMPLETION; | |
300 | break; | |
301 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
302 | handles[0] = mb[1]; |
303 | handles[1] = mb[2]; | |
1da177e4 LT |
304 | handle_cnt = 2; |
305 | mb[0] = MBA_SCSI_COMPLETION; | |
306 | break; | |
307 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
308 | handles[0] = mb[1]; |
309 | handles[1] = mb[2]; | |
310 | handles[2] = mb[3]; | |
1da177e4 LT |
311 | handle_cnt = 3; |
312 | mb[0] = MBA_SCSI_COMPLETION; | |
313 | break; | |
314 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
315 | handles[0] = mb[1]; |
316 | handles[1] = mb[2]; | |
317 | handles[2] = mb[3]; | |
1da177e4 LT |
318 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
319 | handle_cnt = 4; | |
320 | mb[0] = MBA_SCSI_COMPLETION; | |
321 | break; | |
322 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
323 | handles[0] = mb[1]; |
324 | handles[1] = mb[2]; | |
325 | handles[2] = mb[3]; | |
1da177e4 LT |
326 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
327 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
328 | handle_cnt = 5; | |
329 | mb[0] = MBA_SCSI_COMPLETION; | |
330 | break; | |
331 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 332 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
333 | handles[1] = le32_to_cpu( |
334 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
335 | RD_MAILBOX_REG(ha, reg, 6)); | |
336 | handle_cnt = 2; | |
337 | mb[0] = MBA_SCSI_COMPLETION; | |
338 | break; | |
339 | default: | |
340 | break; | |
341 | } | |
342 | ||
343 | switch (mb[0]) { | |
344 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 345 | if (!vha->flags.online) |
1da177e4 LT |
346 | break; |
347 | ||
348 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
349 | qla2x00_process_completed_request(vha, rsp->req, |
350 | handles[cnt]); | |
1da177e4 LT |
351 | break; |
352 | ||
353 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
354 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
355 | vha->host_no)); | |
1da177e4 | 356 | |
e315cd28 | 357 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
358 | break; |
359 | ||
360 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
361 | qla_printk(KERN_INFO, ha, |
362 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
363 | mb[1], mb[2], mb[3]); | |
364 | ||
e315cd28 AC |
365 | qla2x00_post_hwe_work(vha, mb[0], mb[1], mb[2], mb[3]); |
366 | ha->isp_ops->fw_dump(vha, 1); | |
1da177e4 | 367 | |
e428924c | 368 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
369 | if (mb[1] == 0 && mb[2] == 0) { |
370 | qla_printk(KERN_ERR, ha, | |
371 | "Unrecoverable Hardware Error: adapter " | |
372 | "marked OFFLINE!\n"); | |
e315cd28 | 373 | vha->flags.online = 0; |
9a853f71 | 374 | } else |
e315cd28 | 375 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 376 | } else if (mb[1] == 0) { |
1da177e4 LT |
377 | qla_printk(KERN_INFO, ha, |
378 | "Unrecoverable Hardware Error: adapter marked " | |
379 | "OFFLINE!\n"); | |
e315cd28 | 380 | vha->flags.online = 0; |
1da177e4 | 381 | } else |
e315cd28 | 382 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
383 | break; |
384 | ||
385 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
386 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
e315cd28 | 387 | vha->host_no)); |
1da177e4 LT |
388 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); |
389 | ||
e315cd28 AC |
390 | qla2x00_post_hwe_work(vha, mb[0], mb[1], mb[2], mb[3]); |
391 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
392 | break; |
393 | ||
394 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
395 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 396 | vha->host_no)); |
1da177e4 LT |
397 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
398 | ||
e315cd28 AC |
399 | qla2x00_post_hwe_work(vha, mb[0], mb[1], mb[2], mb[3]); |
400 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
401 | break; |
402 | ||
403 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
404 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 405 | vha->host_no)); |
1da177e4 LT |
406 | break; |
407 | ||
408 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 409 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 410 | mb[1])); |
cc3ef7bc | 411 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 412 | |
e315cd28 AC |
413 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
414 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
415 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
416 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
417 | } |
418 | ||
e315cd28 AC |
419 | if (vha->vp_idx) { |
420 | atomic_set(&vha->vp_state, VP_FAILED); | |
421 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
422 | } |
423 | ||
e315cd28 AC |
424 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
425 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 426 | |
e315cd28 AC |
427 | vha->flags.management_server_logged_in = 0; |
428 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
429 | break; |
430 | ||
431 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
432 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
433 | link_speed = link_speeds[0]; | |
d8b45213 | 434 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 435 | } else { |
9a853f71 | 436 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
437 | if (mb[1] < 5) |
438 | link_speed = link_speeds[mb[1]]; | |
439 | ha->link_data_rate = mb[1]; | |
440 | } | |
441 | ||
442 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 443 | vha->host_no, link_speed)); |
1da177e4 LT |
444 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
445 | link_speed); | |
446 | ||
e315cd28 AC |
447 | vha->flags.management_server_logged_in = 0; |
448 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
449 | break; |
450 | ||
451 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 | 452 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
e315cd28 | 453 | "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
454 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", |
455 | mb[1], mb[2], mb[3]); | |
1da177e4 | 456 | |
e315cd28 AC |
457 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
458 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
459 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
460 | vha->device_flags |= DFLG_NO_CABLE; | |
461 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
462 | } |
463 | ||
e315cd28 AC |
464 | if (vha->vp_idx) { |
465 | atomic_set(&vha->vp_state, VP_FAILED); | |
466 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
467 | } |
468 | ||
e315cd28 | 469 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 470 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 471 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
472 | break; |
473 | ||
474 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 475 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 476 | vha->host_no, mb[1])); |
1da177e4 | 477 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 478 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 479 | |
e315cd28 AC |
480 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
481 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
482 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
483 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
484 | } |
485 | ||
e315cd28 AC |
486 | if (vha->vp_idx) { |
487 | atomic_set(&vha->vp_state, VP_FAILED); | |
488 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
489 | } |
490 | ||
e315cd28 | 491 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
492 | |
493 | ha->operating_mode = LOOP; | |
e315cd28 AC |
494 | vha->flags.management_server_logged_in = 0; |
495 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
496 | break; |
497 | ||
498 | case MBA_POINT_TO_POINT: /* Point-to-Point */ | |
499 | if (IS_QLA2100(ha)) | |
500 | break; | |
501 | ||
502 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n", | |
e315cd28 | 503 | vha->host_no)); |
1da177e4 LT |
504 | |
505 | /* | |
506 | * Until there's a transition from loop down to loop up, treat | |
507 | * this as loop down only. | |
508 | */ | |
e315cd28 AC |
509 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
510 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
511 | if (!atomic_read(&vha->loop_down_timer)) | |
512 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 513 | LOOP_DOWN_TIME); |
e315cd28 | 514 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
515 | } |
516 | ||
e315cd28 AC |
517 | if (vha->vp_idx) { |
518 | atomic_set(&vha->vp_state, VP_FAILED); | |
519 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
520 | } |
521 | ||
e315cd28 AC |
522 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
523 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
524 | ||
525 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
526 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
527 | |
528 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 529 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
530 | break; |
531 | ||
532 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
533 | if (IS_QLA2100(ha)) | |
534 | break; | |
535 | ||
1da177e4 LT |
536 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
537 | "received.\n", | |
e315cd28 | 538 | vha->host_no)); |
1da177e4 LT |
539 | qla_printk(KERN_INFO, ha, |
540 | "Configuration change detected: value=%x.\n", mb[1]); | |
541 | ||
e315cd28 AC |
542 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
543 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
544 | if (!atomic_read(&vha->loop_down_timer)) | |
545 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 546 | LOOP_DOWN_TIME); |
e315cd28 | 547 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
548 | } |
549 | ||
e315cd28 AC |
550 | if (vha->vp_idx) { |
551 | atomic_set(&vha->vp_state, VP_FAILED); | |
552 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
553 | } |
554 | ||
e315cd28 AC |
555 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
556 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
557 | break; |
558 | ||
559 | case MBA_PORT_UPDATE: /* Port database update */ | |
73208dfd AC |
560 | /* Only handle SCNs for our Vport index. */ |
561 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) | |
562 | break; | |
563 | ||
1da177e4 | 564 | /* |
cc3ef7bc | 565 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
566 | * event etc. earlier indicating loop is down) then process |
567 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
568 | */ | |
e315cd28 AC |
569 | atomic_set(&vha->loop_down_timer, 0); |
570 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
571 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 572 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 573 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 574 | mb[2], mb[3])); |
1da177e4 LT |
575 | break; |
576 | } | |
577 | ||
578 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 579 | vha->host_no)); |
1da177e4 | 580 | DEBUG(printk(KERN_INFO |
9a853f71 | 581 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 582 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
583 | |
584 | /* | |
585 | * Mark all devices as missing so we will login again. | |
586 | */ | |
e315cd28 | 587 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 588 | |
e315cd28 | 589 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 590 | |
e315cd28 | 591 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 592 | |
e315cd28 AC |
593 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
594 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
595 | break; |
596 | ||
597 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 598 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 599 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
600 | break; |
601 | /* Only handle SCNs for our Vport index. */ | |
e315cd28 | 602 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 603 | break; |
1da177e4 | 604 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 605 | vha->host_no)); |
1da177e4 | 606 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 607 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 608 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 609 | |
59d72d87 | 610 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
611 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
612 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
613 | if (rscn_entry == host_pid) { |
614 | DEBUG(printk(KERN_INFO | |
615 | "scsi(%ld): Ignoring RSCN update to local host " | |
616 | "port ID (%06x)\n", | |
e315cd28 | 617 | vha->host_no, host_pid)); |
1da177e4 LT |
618 | break; |
619 | } | |
620 | ||
59d72d87 RA |
621 | /* Ignore reserved bits from RSCN-payload. */ |
622 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 623 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
624 | if (rscn_queue_index == MAX_RSCN_COUNT) |
625 | rscn_queue_index = 0; | |
e315cd28 AC |
626 | if (rscn_queue_index != vha->rscn_out_ptr) { |
627 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
628 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 629 | } else { |
e315cd28 | 630 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
631 | } |
632 | ||
e315cd28 AC |
633 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
634 | atomic_set(&vha->loop_down_timer, 0); | |
635 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 636 | |
e315cd28 AC |
637 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
638 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
639 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
640 | break; |
641 | ||
642 | /* case MBA_RIO_RESPONSE: */ | |
643 | case MBA_ZIO_RESPONSE: | |
644 | DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n", | |
e315cd28 | 645 | vha->host_no)); |
1da177e4 LT |
646 | DEBUG(printk(KERN_INFO |
647 | "scsi(%ld): [R|Z]IO update completion.\n", | |
e315cd28 | 648 | vha->host_no)); |
1da177e4 | 649 | |
e428924c | 650 | if (IS_FWI2_CAPABLE(ha)) |
73208dfd | 651 | qla24xx_process_response_queue(rsp); |
4fdfefe5 | 652 | else |
73208dfd | 653 | qla2x00_process_response_queue(rsp); |
1da177e4 | 654 | break; |
9a853f71 AV |
655 | |
656 | case MBA_DISCARD_RND_FRAME: | |
657 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 658 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 659 | break; |
45ebeb56 AV |
660 | |
661 | case MBA_TRACE_NOTIFICATION: | |
662 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 663 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 664 | break; |
4d4df193 HK |
665 | |
666 | case MBA_ISP84XX_ALERT: | |
667 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 668 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
669 | |
670 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
671 | switch (mb[1]) { | |
672 | case A84_PANIC_RECOVERY: | |
673 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
674 | "%04x %04x\n", mb[2], mb[3]); | |
675 | break; | |
676 | case A84_OP_LOGIN_COMPLETE: | |
677 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
678 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
679 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
680 | break; | |
681 | case A84_DIAG_LOGIN_COMPLETE: | |
682 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
683 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
684 | "diagnostic firmware version %x\n", | |
685 | ha->cs84xx->diag_fw_version)); | |
686 | break; | |
687 | case A84_GOLD_LOGIN_COMPLETE: | |
688 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
689 | ha->cs84xx->fw_update = 1; | |
690 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
691 | "firmware version %x\n", | |
692 | ha->cs84xx->gold_fw_version)); | |
693 | break; | |
694 | default: | |
695 | qla_printk(KERN_ERR, ha, | |
696 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
697 | mb[1], mb[2], mb[3]); | |
698 | } | |
699 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
700 | break; | |
1da177e4 | 701 | } |
2c3dfe3f | 702 | |
e315cd28 | 703 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 704 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
705 | } |
706 | ||
df7baa50 AV |
707 | static void |
708 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
709 | { | |
710 | fc_port_t *fcport = data; | |
73208dfd AC |
711 | struct scsi_qla_host *vha = fcport->vha; |
712 | struct qla_hw_data *ha = vha->hw; | |
713 | struct req_que *req = NULL; | |
714 | ||
715 | req = ha->req_q_map[vha->req_ques[0]]; | |
716 | if (!req) | |
717 | return; | |
718 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
719 | return; |
720 | ||
721 | if (sdev->ordered_tags) | |
722 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
723 | sdev->queue_depth + 1); | |
724 | else | |
725 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
726 | sdev->queue_depth + 1); | |
727 | ||
728 | fcport->last_ramp_up = jiffies; | |
729 | ||
e315cd28 | 730 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 731 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 732 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
733 | sdev->queue_depth)); |
734 | } | |
735 | ||
736 | static void | |
737 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
738 | { | |
739 | fc_port_t *fcport = data; | |
740 | ||
741 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
742 | return; | |
743 | ||
e315cd28 | 744 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 745 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 746 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
747 | sdev->queue_depth)); |
748 | } | |
749 | ||
750 | static inline void | |
73208dfd AC |
751 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
752 | srb_t *sp) | |
df7baa50 AV |
753 | { |
754 | fc_port_t *fcport; | |
755 | struct scsi_device *sdev; | |
756 | ||
757 | sdev = sp->cmd->device; | |
73208dfd | 758 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
759 | return; |
760 | ||
761 | fcport = sp->fcport; | |
762 | if (time_before(jiffies, | |
763 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
764 | return; | |
765 | if (time_before(jiffies, | |
766 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
767 | return; | |
768 | ||
df7baa50 AV |
769 | starget_for_each_device(sdev->sdev_target, fcport, |
770 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
771 | } |
772 | ||
1da177e4 LT |
773 | /** |
774 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
775 | * @ha: SCSI driver HA context | |
776 | * @index: SRB index | |
777 | */ | |
778 | static void | |
73208dfd AC |
779 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
780 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
781 | { |
782 | srb_t *sp; | |
e315cd28 | 783 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
784 | |
785 | /* Validate handle. */ | |
786 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
787 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 788 | vha->host_no, index)); |
1da177e4 LT |
789 | qla_printk(KERN_WARNING, ha, |
790 | "Invalid SCSI completion handle %d.\n", index); | |
791 | ||
e315cd28 | 792 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
793 | return; |
794 | } | |
795 | ||
e315cd28 | 796 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
797 | if (sp) { |
798 | /* Free outstanding command slot. */ | |
e315cd28 | 799 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 800 | |
1da177e4 LT |
801 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
802 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
803 | ||
804 | /* Save ISP completion status */ | |
805 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 806 | |
73208dfd AC |
807 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
808 | qla2x00_sp_compl(ha, sp); | |
1da177e4 LT |
809 | } else { |
810 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
e315cd28 | 811 | vha->host_no)); |
1da177e4 LT |
812 | qla_printk(KERN_WARNING, ha, |
813 | "Invalid ISP SCSI completion handle\n"); | |
814 | ||
e315cd28 | 815 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
816 | } |
817 | } | |
818 | ||
819 | /** | |
820 | * qla2x00_process_response_queue() - Process response queue entries. | |
821 | * @ha: SCSI driver HA context | |
822 | */ | |
823 | void | |
73208dfd | 824 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 825 | { |
73208dfd AC |
826 | struct scsi_qla_host *vha; |
827 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 828 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
829 | sts_entry_t *pkt; |
830 | uint16_t handle_cnt; | |
831 | uint16_t cnt; | |
73208dfd AC |
832 | |
833 | vha = qla2x00_get_rsp_host(rsp); | |
1da177e4 | 834 | |
e315cd28 | 835 | if (!vha->flags.online) |
1da177e4 LT |
836 | return; |
837 | ||
e315cd28 AC |
838 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
839 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 840 | |
e315cd28 AC |
841 | rsp->ring_index++; |
842 | if (rsp->ring_index == rsp->length) { | |
843 | rsp->ring_index = 0; | |
844 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 845 | } else { |
e315cd28 | 846 | rsp->ring_ptr++; |
1da177e4 LT |
847 | } |
848 | ||
849 | if (pkt->entry_status != 0) { | |
850 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 851 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 852 | |
73208dfd | 853 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
854 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
855 | wmb(); | |
856 | continue; | |
857 | } | |
858 | ||
859 | switch (pkt->entry_type) { | |
860 | case STATUS_TYPE: | |
73208dfd | 861 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
862 | break; |
863 | case STATUS_TYPE_21: | |
864 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
865 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 866 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
867 | ((sts21_entry_t *)pkt)->handle[cnt]); |
868 | } | |
869 | break; | |
870 | case STATUS_TYPE_22: | |
871 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
872 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 873 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
874 | ((sts22_entry_t *)pkt)->handle[cnt]); |
875 | } | |
876 | break; | |
877 | case STATUS_CONT_TYPE: | |
e315cd28 | 878 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
1da177e4 | 879 | break; |
1da177e4 LT |
880 | default: |
881 | /* Type Not Supported. */ | |
882 | DEBUG4(printk(KERN_WARNING | |
883 | "scsi(%ld): Received unknown response pkt type %x " | |
884 | "entry status=%x.\n", | |
e315cd28 | 885 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
886 | break; |
887 | } | |
888 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
889 | wmb(); | |
890 | } | |
891 | ||
892 | /* Adjust ring index */ | |
e315cd28 | 893 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
894 | } |
895 | ||
4733fcb1 AV |
896 | static inline void |
897 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) | |
898 | { | |
899 | struct scsi_cmnd *cp = sp->cmd; | |
900 | ||
901 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
902 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
903 | ||
904 | CMD_ACTUAL_SNSLEN(cp) = sense_len; | |
905 | sp->request_sense_length = sense_len; | |
906 | sp->request_sense_ptr = cp->sense_buffer; | |
907 | if (sp->request_sense_length > 32) | |
908 | sense_len = 32; | |
909 | ||
910 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
911 | ||
912 | sp->request_sense_ptr += sense_len; | |
913 | sp->request_sense_length -= sense_len; | |
914 | if (sp->request_sense_length != 0) | |
e315cd28 | 915 | sp->fcport->vha->status_srb = sp; |
4733fcb1 AV |
916 | |
917 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 918 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
919 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
920 | cp->serial_number)); | |
4733fcb1 AV |
921 | if (sense_len) |
922 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, | |
923 | CMD_ACTUAL_SNSLEN(cp))); | |
924 | } | |
925 | ||
1da177e4 LT |
926 | /** |
927 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
928 | * @ha: SCSI driver HA context | |
929 | * @pkt: Entry pointer | |
930 | */ | |
931 | static void | |
73208dfd | 932 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 933 | { |
1da177e4 | 934 | srb_t *sp; |
1da177e4 LT |
935 | fc_port_t *fcport; |
936 | struct scsi_cmnd *cp; | |
9a853f71 AV |
937 | sts_entry_t *sts; |
938 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
939 | uint16_t comp_status; |
940 | uint16_t scsi_status; | |
941 | uint8_t lscsi_status; | |
942 | int32_t resid; | |
ed17c71b | 943 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 944 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 945 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 946 | struct req_que *req = rsp->req; |
9a853f71 AV |
947 | |
948 | sts = (sts_entry_t *) pkt; | |
949 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 950 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
951 | comp_status = le16_to_cpu(sts24->comp_status); |
952 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
953 | } else { | |
954 | comp_status = le16_to_cpu(sts->comp_status); | |
955 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
956 | } | |
1da177e4 LT |
957 | |
958 | /* Fast path completion. */ | |
9a853f71 | 959 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
73208dfd | 960 | qla2x00_process_completed_request(vha, req, sts->handle); |
1da177e4 LT |
961 | |
962 | return; | |
963 | } | |
964 | ||
965 | /* Validate handle. */ | |
9a853f71 | 966 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
e315cd28 AC |
967 | sp = req->outstanding_cmds[sts->handle]; |
968 | req->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
969 | } else |
970 | sp = NULL; | |
971 | ||
972 | if (sp == NULL) { | |
973 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 974 | vha->host_no)); |
1da177e4 LT |
975 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
976 | ||
e315cd28 AC |
977 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
978 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
979 | return; |
980 | } | |
981 | cp = sp->cmd; | |
982 | if (cp == NULL) { | |
983 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
e315cd28 | 984 | "pkt->handle=%d sp=%p.\n", vha->host_no, sts->handle, sp)); |
1da177e4 LT |
985 | qla_printk(KERN_WARNING, ha, |
986 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
987 | ||
988 | return; | |
989 | } | |
990 | ||
9a853f71 AV |
991 | lscsi_status = scsi_status & STATUS_MASK; |
992 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
993 | CMD_COMPL_STATUS(cp) = comp_status; |
994 | CMD_SCSI_STATUS(cp) = scsi_status; | |
995 | ||
bdf79621 | 996 | fcport = sp->fcport; |
1da177e4 | 997 | |
ed17c71b | 998 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 999 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1000 | sense_len = le32_to_cpu(sts24->sense_len); |
1001 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1002 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 1003 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
1004 | rsp_info = sts24->data; |
1005 | sense_data = sts24->data; | |
1006 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1007 | } else { | |
1008 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1009 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1010 | resid_len = le32_to_cpu(sts->residual_length); | |
1011 | rsp_info = sts->rsp_info; | |
1012 | sense_data = sts->req_sense_data; | |
1013 | } | |
1014 | ||
1da177e4 LT |
1015 | /* Check for any FCP transport errors. */ |
1016 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1017 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1018 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1019 | sense_data += rsp_info_len; |
1020 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1021 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1022 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1023 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1024 | cp->device->channel, cp->device->id, |
1025 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1026 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1027 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1028 | |
1029 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1030 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1031 | return; |
1032 | } | |
1033 | } | |
1034 | ||
3e8ce320 AV |
1035 | /* Check for overrun. */ |
1036 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1037 | scsi_status & SS_RESIDUAL_OVER) | |
1038 | comp_status = CS_DATA_OVERRUN; | |
1039 | ||
1da177e4 LT |
1040 | /* |
1041 | * Based on Host and scsi status generate status code for Linux | |
1042 | */ | |
1043 | switch (comp_status) { | |
1044 | case CS_COMPLETE: | |
df7baa50 | 1045 | case CS_QUEUE_FULL: |
1da177e4 LT |
1046 | if (scsi_status == 0) { |
1047 | cp->result = DID_OK << 16; | |
1048 | break; | |
1049 | } | |
1050 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1051 | resid = resid_len; |
385d70b4 | 1052 | scsi_set_resid(cp, resid); |
1da177e4 | 1053 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
1054 | |
1055 | if (!lscsi_status && | |
385d70b4 | 1056 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1057 | cp->underflow)) { |
1058 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1059 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1060 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1061 | "error status.\n", vha->host_no, |
385d70b4 FT |
1062 | cp->device->channel, cp->device->id, |
1063 | cp->device->lun, resid, | |
1064 | scsi_bufflen(cp)); | |
0da69df1 AV |
1065 | |
1066 | cp->result = DID_ERROR << 16; | |
1067 | break; | |
1068 | } | |
1da177e4 | 1069 | } |
1da177e4 LT |
1070 | cp->result = DID_OK << 16 | lscsi_status; |
1071 | ||
df7baa50 AV |
1072 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1073 | DEBUG2(printk(KERN_INFO | |
1074 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1075 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1076 | scsi_status)); |
1077 | ||
1078 | /* Adjust queue depth for all luns on the port. */ | |
1079 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
1080 | starget_for_each_device(cp->device->sdev_target, |
1081 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1082 | break; |
1083 | } | |
1da177e4 LT |
1084 | if (lscsi_status != SS_CHECK_CONDITION) |
1085 | break; | |
1086 | ||
b80ca4f7 | 1087 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1088 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1089 | break; | |
1090 | ||
4733fcb1 | 1091 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1092 | break; |
1093 | ||
1094 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1095 | resid = resid_len; |
ed17c71b | 1096 | /* Use F/W calculated residual length. */ |
6acf8190 | 1097 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1098 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1099 | lscsi_status = 0; | |
1100 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1101 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1102 | lscsi_status = 0; | |
1103 | } | |
ed17c71b | 1104 | resid = fw_resid_len; |
6acf8190 | 1105 | } |
ed17c71b | 1106 | |
1da177e4 | 1107 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1108 | scsi_set_resid(cp, resid); |
1da177e4 | 1109 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1110 | } else { |
1111 | DEBUG2(printk(KERN_INFO | |
1112 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1113 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1114 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1115 | cp->device->id, cp->device->lun, comp_status, |
1116 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1117 | cp->underflow)); | |
e038a1be | 1118 | |
1da177e4 LT |
1119 | } |
1120 | ||
1121 | /* | |
fa2a1ce5 | 1122 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1123 | * Status. |
1124 | */ | |
1125 | if (lscsi_status != 0) { | |
1da177e4 LT |
1126 | cp->result = DID_OK << 16 | lscsi_status; |
1127 | ||
ffec28a3 AV |
1128 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1129 | DEBUG2(printk(KERN_INFO | |
1130 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1131 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1132 | scsi_status)); |
1133 | ||
1134 | /* | |
1135 | * Adjust queue depth for all luns on the | |
1136 | * port. | |
1137 | */ | |
1138 | fcport->last_queue_full = jiffies; | |
1139 | starget_for_each_device( | |
1140 | cp->device->sdev_target, fcport, | |
1141 | qla2x00_adjust_sdev_qdepth_down); | |
1142 | break; | |
1143 | } | |
1da177e4 LT |
1144 | if (lscsi_status != SS_CHECK_CONDITION) |
1145 | break; | |
1146 | ||
b80ca4f7 | 1147 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1148 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1149 | break; | |
1150 | ||
4733fcb1 | 1151 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1152 | } else { |
1153 | /* | |
1154 | * If RISC reports underrun and target does not report | |
1155 | * it then we must have a lost frame, so tell upper | |
1156 | * layer to retry it by reporting a bus busy. | |
1157 | */ | |
1158 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1159 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1160 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1161 | "retrying command.\n", |
1162 | vha->host_no, cp->device->channel, | |
1163 | cp->device->id, cp->device->lun, resid, | |
1164 | scsi_bufflen(cp))); | |
1da177e4 LT |
1165 | |
1166 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1167 | break; |
1168 | } | |
1169 | ||
1170 | /* Handle mid-layer underflow */ | |
385d70b4 | 1171 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1172 | cp->underflow) { |
1173 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1174 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1175 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1176 | "error status.\n", vha->host_no, |
385d70b4 FT |
1177 | cp->device->channel, cp->device->id, |
1178 | cp->device->lun, resid, | |
1179 | scsi_bufflen(cp)); | |
1da177e4 LT |
1180 | |
1181 | cp->result = DID_ERROR << 16; | |
1182 | break; | |
1183 | } | |
1184 | ||
1185 | /* Everybody online, looking good... */ | |
1186 | cp->result = DID_OK << 16; | |
1187 | } | |
1188 | break; | |
1189 | ||
1190 | case CS_DATA_OVERRUN: | |
1191 | DEBUG2(printk(KERN_INFO | |
1192 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1193 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1194 | scsi_status)); |
1da177e4 LT |
1195 | DEBUG2(printk(KERN_INFO |
1196 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1197 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1198 | cp->cmnd[4], cp->cmnd[5])); | |
1199 | DEBUG2(printk(KERN_INFO | |
1200 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1201 | "status!\n", | |
385d70b4 | 1202 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1203 | |
1204 | cp->result = DID_ERROR << 16; | |
1205 | break; | |
1206 | ||
1207 | case CS_PORT_LOGGED_OUT: | |
1208 | case CS_PORT_CONFIG_CHG: | |
1209 | case CS_PORT_BUSY: | |
1210 | case CS_INCOMPLETE: | |
1211 | case CS_PORT_UNAVAILABLE: | |
1212 | /* | |
1213 | * If the port is in Target Down state, return all IOs for this | |
1214 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1215 | * retry_queue. | |
1216 | */ | |
1da177e4 LT |
1217 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1218 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1219 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1220 | cp->serial_number, comp_status, |
1da177e4 LT |
1221 | atomic_read(&fcport->state))); |
1222 | ||
056a4483 MC |
1223 | /* |
1224 | * We are going to have the fc class block the rport | |
1225 | * while we try to recover so instruct the mid layer | |
1226 | * to requeue until the class decides how to handle this. | |
1227 | */ | |
1228 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1229 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1230 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1231 | break; |
1232 | ||
1233 | case CS_RESET: | |
1234 | DEBUG2(printk(KERN_INFO | |
1235 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1236 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1237 | |
f4f051eb | 1238 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1239 | break; |
1240 | ||
1241 | case CS_ABORTED: | |
fa2a1ce5 | 1242 | /* |
1da177e4 LT |
1243 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1244 | * aborted this request then abort otherwise it must be a | |
1245 | * reset. | |
1246 | */ | |
1247 | DEBUG2(printk(KERN_INFO | |
1248 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1249 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1250 | |
1251 | cp->result = DID_RESET << 16; | |
1252 | break; | |
1253 | ||
1254 | case CS_TIMEOUT: | |
056a4483 MC |
1255 | /* |
1256 | * We are going to have the fc class block the rport | |
1257 | * while we try to recover so instruct the mid layer | |
1258 | * to requeue until the class decides how to handle this. | |
1259 | */ | |
1260 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1261 | |
e428924c | 1262 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1263 | DEBUG2(printk(KERN_INFO |
1264 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1265 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1266 | cp->device->id, cp->device->lun, comp_status, |
1267 | scsi_status)); | |
1268 | break; | |
1269 | } | |
1da177e4 LT |
1270 | DEBUG2(printk(KERN_INFO |
1271 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1272 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1273 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1274 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1275 | |
9a853f71 AV |
1276 | /* Check to see if logout occurred. */ |
1277 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1278 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1279 | break; |
1280 | ||
1da177e4 LT |
1281 | default: |
1282 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1283 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1284 | qla_printk(KERN_INFO, ha, |
1285 | "Unknown status detected 0x%x-0x%x.\n", | |
1286 | comp_status, scsi_status); | |
1287 | ||
1288 | cp->result = DID_ERROR << 16; | |
1289 | break; | |
1290 | } | |
1291 | ||
1292 | /* Place command on done queue. */ | |
e315cd28 | 1293 | if (vha->status_srb == NULL) |
73208dfd | 1294 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1295 | } |
1296 | ||
1297 | /** | |
1298 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1299 | * @ha: SCSI driver HA context | |
1300 | * @pkt: Entry pointer | |
1301 | * | |
1302 | * Extended sense data. | |
1303 | */ | |
1304 | static void | |
e315cd28 | 1305 | qla2x00_status_cont_entry(scsi_qla_host_t *vha, sts_cont_entry_t *pkt) |
1da177e4 LT |
1306 | { |
1307 | uint8_t sense_sz = 0; | |
e315cd28 AC |
1308 | struct qla_hw_data *ha = vha->hw; |
1309 | srb_t *sp = vha->status_srb; | |
1da177e4 LT |
1310 | struct scsi_cmnd *cp; |
1311 | ||
1312 | if (sp != NULL && sp->request_sense_length != 0) { | |
1313 | cp = sp->cmd; | |
1314 | if (cp == NULL) { | |
1315 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1316 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1317 | qla_printk(KERN_INFO, ha, |
1318 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1319 | sp); |
1da177e4 | 1320 | |
e315cd28 | 1321 | vha->status_srb = NULL; |
1da177e4 LT |
1322 | return; |
1323 | } | |
1324 | ||
1325 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1326 | sense_sz = sizeof(pkt->data); | |
1327 | } else { | |
1328 | sense_sz = sp->request_sense_length; | |
1329 | } | |
1330 | ||
1331 | /* Move sense data. */ | |
e428924c | 1332 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1333 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1334 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1335 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1336 | ||
1337 | sp->request_sense_ptr += sense_sz; | |
1338 | sp->request_sense_length -= sense_sz; | |
1339 | ||
1340 | /* Place command on done queue. */ | |
1341 | if (sp->request_sense_length == 0) { | |
e315cd28 | 1342 | vha->status_srb = NULL; |
73208dfd | 1343 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1344 | } |
1345 | } | |
1346 | } | |
1347 | ||
1348 | /** | |
1349 | * qla2x00_error_entry() - Process an error entry. | |
1350 | * @ha: SCSI driver HA context | |
1351 | * @pkt: Entry pointer | |
1352 | */ | |
1353 | static void | |
73208dfd | 1354 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1355 | { |
1356 | srb_t *sp; | |
e315cd28 | 1357 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 1358 | struct req_que *req = rsp->req; |
1da177e4 LT |
1359 | #if defined(QL_DEBUG_LEVEL_2) |
1360 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1361 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1362 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1363 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1364 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1365 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1366 | "%s: Invalid Entry Parameter\n", __func__); |
1367 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1368 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1369 | else if (pkt->entry_status & RF_BUSY) | |
1370 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1371 | else | |
1372 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1373 | #endif | |
1374 | ||
1375 | /* Validate handle. */ | |
1376 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
e315cd28 | 1377 | sp = req->outstanding_cmds[pkt->handle]; |
1da177e4 LT |
1378 | else |
1379 | sp = NULL; | |
1380 | ||
1381 | if (sp) { | |
1382 | /* Free outstanding command slot. */ | |
e315cd28 | 1383 | req->outstanding_cmds[pkt->handle] = NULL; |
354d6b21 | 1384 | |
1da177e4 LT |
1385 | /* Bad payload or header */ |
1386 | if (pkt->entry_status & | |
1387 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1388 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1389 | sp->cmd->result = DID_ERROR << 16; | |
1390 | } else if (pkt->entry_status & RF_BUSY) { | |
1391 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1392 | } else { | |
1393 | sp->cmd->result = DID_ERROR << 16; | |
1394 | } | |
73208dfd | 1395 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1396 | |
9a853f71 AV |
1397 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1398 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1399 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1400 | vha->host_no)); |
1da177e4 LT |
1401 | qla_printk(KERN_WARNING, ha, |
1402 | "Error entry - invalid handle\n"); | |
1403 | ||
e315cd28 AC |
1404 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1405 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1406 | } |
1407 | } | |
1408 | ||
9a853f71 AV |
1409 | /** |
1410 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1411 | * @ha: SCSI driver HA context | |
1412 | * @mb0: Mailbox0 register | |
1413 | */ | |
1414 | static void | |
e315cd28 | 1415 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1416 | { |
1417 | uint16_t cnt; | |
1418 | uint16_t __iomem *wptr; | |
e315cd28 | 1419 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1420 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1421 | ||
1422 | /* Load return mailbox registers. */ | |
1423 | ha->flags.mbox_int = 1; | |
1424 | ha->mailbox_out[0] = mb0; | |
1425 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1426 | ||
1427 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1428 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1429 | wptr++; | |
1430 | } | |
1431 | ||
1432 | if (ha->mcp) { | |
1433 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1434 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1435 | } else { |
1436 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1437 | __func__, vha->host_no)); |
9a853f71 AV |
1438 | } |
1439 | } | |
1440 | ||
1441 | /** | |
1442 | * qla24xx_process_response_queue() - Process response queue entries. | |
1443 | * @ha: SCSI driver HA context | |
1444 | */ | |
1445 | void | |
73208dfd | 1446 | qla24xx_process_response_queue(struct rsp_que *rsp) |
9a853f71 | 1447 | { |
73208dfd | 1448 | struct qla_hw_data *ha = rsp->hw; |
9a853f71 | 1449 | struct sts_entry_24xx *pkt; |
73208dfd AC |
1450 | struct scsi_qla_host *vha; |
1451 | ||
1452 | vha = qla2x00_get_rsp_host(rsp); | |
9a853f71 | 1453 | |
e315cd28 | 1454 | if (!vha->flags.online) |
9a853f71 AV |
1455 | return; |
1456 | ||
e315cd28 AC |
1457 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1458 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1459 | |
e315cd28 AC |
1460 | rsp->ring_index++; |
1461 | if (rsp->ring_index == rsp->length) { | |
1462 | rsp->ring_index = 0; | |
1463 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1464 | } else { |
e315cd28 | 1465 | rsp->ring_ptr++; |
9a853f71 AV |
1466 | } |
1467 | ||
1468 | if (pkt->entry_status != 0) { | |
1469 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1470 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1471 | |
73208dfd | 1472 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1473 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1474 | wmb(); | |
1475 | continue; | |
1476 | } | |
1477 | ||
1478 | switch (pkt->entry_type) { | |
1479 | case STATUS_TYPE: | |
73208dfd | 1480 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1481 | break; |
1482 | case STATUS_CONT_TYPE: | |
e315cd28 | 1483 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
9a853f71 | 1484 | break; |
2c3dfe3f | 1485 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1486 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1487 | (struct vp_rpt_id_entry_24xx *)pkt); |
1488 | break; | |
9a853f71 AV |
1489 | default: |
1490 | /* Type Not Supported. */ | |
1491 | DEBUG4(printk(KERN_WARNING | |
1492 | "scsi(%ld): Received unknown response pkt type %x " | |
1493 | "entry status=%x.\n", | |
e315cd28 | 1494 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1495 | break; |
1496 | } | |
1497 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1498 | wmb(); | |
1499 | } | |
1500 | ||
1501 | /* Adjust ring index */ | |
17d98630 | 1502 | ha->isp_ops->wrt_rsp_reg(ha, rsp->id, rsp->ring_index); |
9a853f71 AV |
1503 | } |
1504 | ||
05236a05 | 1505 | static void |
e315cd28 | 1506 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1507 | { |
1508 | int rval; | |
1509 | uint32_t cnt; | |
e315cd28 | 1510 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1511 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1512 | ||
1513 | if (!IS_QLA25XX(ha)) | |
1514 | return; | |
1515 | ||
1516 | rval = QLA_SUCCESS; | |
1517 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1518 | RD_REG_DWORD(®->iobase_addr); | |
1519 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1520 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1521 | rval == QLA_SUCCESS; cnt--) { | |
1522 | if (cnt) { | |
1523 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1524 | udelay(10); | |
1525 | } else | |
1526 | rval = QLA_FUNCTION_TIMEOUT; | |
1527 | } | |
1528 | if (rval == QLA_SUCCESS) | |
1529 | goto next_test; | |
1530 | ||
1531 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1532 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1533 | rval == QLA_SUCCESS; cnt--) { | |
1534 | if (cnt) { | |
1535 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1536 | udelay(10); | |
1537 | } else | |
1538 | rval = QLA_FUNCTION_TIMEOUT; | |
1539 | } | |
1540 | if (rval != QLA_SUCCESS) | |
1541 | goto done; | |
1542 | ||
1543 | next_test: | |
1544 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1545 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1546 | ||
1547 | done: | |
1548 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1549 | RD_REG_DWORD(®->iobase_window); | |
1550 | } | |
1551 | ||
9a853f71 AV |
1552 | /** |
1553 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1554 | * @irq: | |
1555 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1556 | * |
1557 | * Called by system whenever the host adapter generates an interrupt. | |
1558 | * | |
1559 | * Returns handled flag. | |
1560 | */ | |
1561 | irqreturn_t | |
7d12e780 | 1562 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1563 | { |
e315cd28 AC |
1564 | scsi_qla_host_t *vha; |
1565 | struct qla_hw_data *ha; | |
9a853f71 AV |
1566 | struct device_reg_24xx __iomem *reg; |
1567 | int status; | |
9a853f71 AV |
1568 | unsigned long iter; |
1569 | uint32_t stat; | |
1570 | uint32_t hccr; | |
1571 | uint16_t mb[4]; | |
e315cd28 | 1572 | struct rsp_que *rsp; |
9a853f71 | 1573 | |
e315cd28 AC |
1574 | rsp = (struct rsp_que *) dev_id; |
1575 | if (!rsp) { | |
9a853f71 | 1576 | printk(KERN_INFO |
e315cd28 | 1577 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1578 | return IRQ_NONE; |
1579 | } | |
1580 | ||
e315cd28 | 1581 | ha = rsp->hw; |
9a853f71 AV |
1582 | reg = &ha->iobase->isp24; |
1583 | status = 0; | |
1584 | ||
c6952483 | 1585 | spin_lock(&ha->hardware_lock); |
e315cd28 | 1586 | vha = qla2x00_get_rsp_host(rsp); |
9a853f71 AV |
1587 | for (iter = 50; iter--; ) { |
1588 | stat = RD_REG_DWORD(®->host_status); | |
1589 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1590 | if (pci_channel_offline(ha->pdev)) |
1591 | break; | |
1592 | ||
cb8dacbf | 1593 | if (ha->hw_event_pause_errors == 0) |
e315cd28 | 1594 | qla2x00_post_hwe_work(vha, HW_EVENT_PARITY_ERR, |
cb8dacbf AV |
1595 | 0, MSW(stat), LSW(stat)); |
1596 | else if (ha->hw_event_pause_errors < 0xffffffff) | |
1597 | ha->hw_event_pause_errors++; | |
1598 | ||
9a853f71 AV |
1599 | hccr = RD_REG_DWORD(®->hccr); |
1600 | ||
1601 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1602 | "Dumping firmware!\n", hccr); | |
05236a05 | 1603 | |
e315cd28 | 1604 | qla2xxx_check_risc_status(vha); |
05236a05 | 1605 | |
e315cd28 AC |
1606 | ha->isp_ops->fw_dump(vha, 1); |
1607 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1608 | break; |
1609 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1610 | break; | |
1611 | ||
1612 | switch (stat & 0xff) { | |
1613 | case 0x1: | |
1614 | case 0x2: | |
1615 | case 0x10: | |
1616 | case 0x11: | |
e315cd28 | 1617 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1618 | status |= MBX_INTERRUPT; |
1619 | ||
1620 | break; | |
1621 | case 0x12: | |
1622 | mb[0] = MSW(stat); | |
1623 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1624 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1625 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1626 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1627 | break; |
1628 | case 0x13: | |
73208dfd AC |
1629 | case 0x14: |
1630 | qla24xx_process_response_queue(rsp); | |
9a853f71 AV |
1631 | break; |
1632 | default: | |
1633 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1634 | "(%d).\n", | |
e315cd28 | 1635 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1636 | break; |
1637 | } | |
1638 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1639 | RD_REG_DWORD_RELAXED(®->hccr); | |
1640 | } | |
c6952483 | 1641 | spin_unlock(&ha->hardware_lock); |
9a853f71 AV |
1642 | |
1643 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1644 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1645 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1646 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1647 | } |
1648 | ||
1649 | return IRQ_HANDLED; | |
1650 | } | |
1651 | ||
a8488abe AV |
1652 | static irqreturn_t |
1653 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1654 | { | |
e315cd28 AC |
1655 | struct qla_hw_data *ha; |
1656 | struct rsp_que *rsp; | |
a8488abe | 1657 | struct device_reg_24xx __iomem *reg; |
a8488abe | 1658 | |
e315cd28 AC |
1659 | rsp = (struct rsp_que *) dev_id; |
1660 | if (!rsp) { | |
1661 | printk(KERN_INFO | |
1662 | "%s(): NULL response queue pointer\n", __func__); | |
1663 | return IRQ_NONE; | |
1664 | } | |
1665 | ha = rsp->hw; | |
a8488abe AV |
1666 | reg = &ha->iobase->isp24; |
1667 | ||
0e973a24 | 1668 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1669 | |
73208dfd | 1670 | qla24xx_process_response_queue(rsp); |
a8488abe | 1671 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1672 | |
0e973a24 | 1673 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1674 | |
1675 | return IRQ_HANDLED; | |
1676 | } | |
1677 | ||
73208dfd AC |
1678 | static irqreturn_t |
1679 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1680 | { | |
1681 | struct qla_hw_data *ha; | |
1682 | struct rsp_que *rsp; | |
1683 | struct device_reg_24xx __iomem *reg; | |
1684 | uint16_t msix_disabled_hccr = 0; | |
1685 | ||
1686 | rsp = (struct rsp_que *) dev_id; | |
1687 | if (!rsp) { | |
1688 | printk(KERN_INFO | |
1689 | "%s(): NULL response queue pointer\n", __func__); | |
1690 | return IRQ_NONE; | |
1691 | } | |
1692 | ha = rsp->hw; | |
1693 | reg = &ha->iobase->isp24; | |
1694 | ||
1695 | spin_lock_irq(&ha->hardware_lock); | |
1696 | ||
1697 | msix_disabled_hccr = rsp->options; | |
1698 | if (!rsp->id) | |
1699 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_22); | |
1700 | else | |
17d98630 | 1701 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_6); |
73208dfd AC |
1702 | |
1703 | qla24xx_process_response_queue(rsp); | |
1704 | ||
1705 | if (!msix_disabled_hccr) | |
1706 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1707 | ||
1708 | spin_unlock_irq(&ha->hardware_lock); | |
1709 | ||
1710 | return IRQ_HANDLED; | |
1711 | } | |
1712 | ||
a8488abe AV |
1713 | static irqreturn_t |
1714 | qla24xx_msix_default(int irq, void *dev_id) | |
1715 | { | |
e315cd28 AC |
1716 | scsi_qla_host_t *vha; |
1717 | struct qla_hw_data *ha; | |
1718 | struct rsp_que *rsp; | |
a8488abe AV |
1719 | struct device_reg_24xx __iomem *reg; |
1720 | int status; | |
a8488abe AV |
1721 | uint32_t stat; |
1722 | uint32_t hccr; | |
1723 | uint16_t mb[4]; | |
1724 | ||
e315cd28 AC |
1725 | rsp = (struct rsp_que *) dev_id; |
1726 | if (!rsp) { | |
1727 | DEBUG(printk( | |
1728 | "%s(): NULL response queue pointer\n", __func__)); | |
1729 | return IRQ_NONE; | |
1730 | } | |
1731 | ha = rsp->hw; | |
a8488abe AV |
1732 | reg = &ha->iobase->isp24; |
1733 | status = 0; | |
1734 | ||
0e973a24 | 1735 | spin_lock_irq(&ha->hardware_lock); |
e315cd28 | 1736 | vha = qla2x00_get_rsp_host(rsp); |
87f27015 | 1737 | do { |
a8488abe AV |
1738 | stat = RD_REG_DWORD(®->host_status); |
1739 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1740 | if (pci_channel_offline(ha->pdev)) |
1741 | break; | |
1742 | ||
cb8dacbf | 1743 | if (ha->hw_event_pause_errors == 0) |
e315cd28 | 1744 | qla2x00_post_hwe_work(vha, HW_EVENT_PARITY_ERR, |
cb8dacbf AV |
1745 | 0, MSW(stat), LSW(stat)); |
1746 | else if (ha->hw_event_pause_errors < 0xffffffff) | |
1747 | ha->hw_event_pause_errors++; | |
1748 | ||
a8488abe AV |
1749 | hccr = RD_REG_DWORD(®->hccr); |
1750 | ||
1751 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1752 | "Dumping firmware!\n", hccr); | |
05236a05 | 1753 | |
e315cd28 | 1754 | qla2xxx_check_risc_status(vha); |
05236a05 | 1755 | |
e315cd28 AC |
1756 | ha->isp_ops->fw_dump(vha, 1); |
1757 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1758 | break; |
1759 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1760 | break; | |
1761 | ||
1762 | switch (stat & 0xff) { | |
1763 | case 0x1: | |
1764 | case 0x2: | |
1765 | case 0x10: | |
1766 | case 0x11: | |
e315cd28 | 1767 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1768 | status |= MBX_INTERRUPT; |
1769 | ||
1770 | break; | |
1771 | case 0x12: | |
1772 | mb[0] = MSW(stat); | |
1773 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1774 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1775 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1776 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1777 | break; |
1778 | case 0x13: | |
73208dfd AC |
1779 | case 0x14: |
1780 | qla24xx_process_response_queue(rsp); | |
a8488abe AV |
1781 | break; |
1782 | default: | |
1783 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1784 | "(%d).\n", | |
e315cd28 | 1785 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1786 | break; |
1787 | } | |
1788 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1789 | } while (0); |
0e973a24 | 1790 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1791 | |
1792 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1793 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1794 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1795 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1796 | } |
1797 | ||
1798 | return IRQ_HANDLED; | |
1799 | } | |
1800 | ||
1801 | /* Interrupt handling helpers. */ | |
1802 | ||
1803 | struct qla_init_msix_entry { | |
1804 | uint16_t entry; | |
1805 | uint16_t index; | |
1806 | const char *name; | |
476834c2 | 1807 | irq_handler_t handler; |
a8488abe AV |
1808 | }; |
1809 | ||
73208dfd AC |
1810 | static struct qla_init_msix_entry base_queue = { |
1811 | .entry = 0, | |
1812 | .index = 0, | |
1813 | .name = "qla2xxx (default)", | |
1814 | .handler = qla24xx_msix_default, | |
1815 | }; | |
1816 | ||
1817 | static struct qla_init_msix_entry base_rsp_queue = { | |
1818 | .entry = 1, | |
1819 | .index = 1, | |
1820 | .name = "qla2xxx (rsp_q)", | |
1821 | .handler = qla24xx_msix_rsp_q, | |
1822 | }; | |
a8488abe | 1823 | |
73208dfd AC |
1824 | static struct qla_init_msix_entry multi_rsp_queue = { |
1825 | .entry = 1, | |
1826 | .index = 1, | |
1827 | .name = "qla2xxx (multi_q)", | |
1828 | .handler = qla25xx_msix_rsp_q, | |
a8488abe AV |
1829 | }; |
1830 | ||
1831 | static void | |
e315cd28 | 1832 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1833 | { |
1834 | int i; | |
1835 | struct qla_msix_entry *qentry; | |
1836 | ||
73208dfd AC |
1837 | for (i = 0; i < ha->msix_count; i++) { |
1838 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1839 | if (qentry->have_irq) |
73208dfd | 1840 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1841 | } |
1842 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1843 | kfree(ha->msix_entries); |
1844 | ha->msix_entries = NULL; | |
1845 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1846 | } |
1847 | ||
1848 | static int | |
73208dfd | 1849 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1850 | { |
1851 | int i, ret; | |
73208dfd | 1852 | struct msix_entry *entries; |
a8488abe | 1853 | struct qla_msix_entry *qentry; |
73208dfd AC |
1854 | struct qla_init_msix_entry *msix_queue; |
1855 | ||
1856 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1857 | GFP_KERNEL); | |
1858 | if (!entries) | |
1859 | return -ENOMEM; | |
a8488abe | 1860 | |
73208dfd AC |
1861 | for (i = 0; i < ha->msix_count; i++) |
1862 | entries[i].entry = i; | |
a8488abe | 1863 | |
73208dfd | 1864 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe AV |
1865 | if (ret) { |
1866 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
1867 | "MSI-X: Failed to enable support -- %d/%d\n" |
1868 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1869 | ha->msix_count = ret; | |
1870 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1871 | if (ret) { | |
1872 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" | |
1873 | " support, giving up -- %d/%d\n", | |
1874 | ha->msix_count, ret); | |
1875 | goto msix_out; | |
1876 | } | |
1877 | ha->max_queues = ha->msix_count - 1; | |
1878 | } | |
1879 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1880 | ha->msix_count, GFP_KERNEL); | |
1881 | if (!ha->msix_entries) { | |
1882 | ret = -ENOMEM; | |
a8488abe AV |
1883 | goto msix_out; |
1884 | } | |
1885 | ha->flags.msix_enabled = 1; | |
1886 | ||
73208dfd AC |
1887 | for (i = 0; i < ha->msix_count; i++) { |
1888 | qentry = &ha->msix_entries[i]; | |
1889 | qentry->vector = entries[i].vector; | |
1890 | qentry->entry = entries[i].entry; | |
a8488abe | 1891 | qentry->have_irq = 0; |
73208dfd | 1892 | qentry->rsp = NULL; |
a8488abe AV |
1893 | } |
1894 | ||
73208dfd AC |
1895 | /* Enable MSI-X for AENs for queue 0 */ |
1896 | qentry = &ha->msix_entries[0]; | |
1897 | ret = request_irq(qentry->vector, base_queue.handler, 0, | |
1898 | base_queue.name, rsp); | |
1899 | if (ret) { | |
1900 | qla_printk(KERN_WARNING, ha, | |
1901 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1902 | qentry->vector, ret); | |
1903 | qla24xx_disable_msix(ha); | |
1904 | goto msix_out; | |
1905 | } | |
1906 | qentry->have_irq = 1; | |
1907 | qentry->rsp = rsp; | |
1908 | ||
1909 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
1910 | if (ha->max_queues > 1 && ha->mqiobase) { | |
1911 | ha->mqenable = 1; | |
1912 | msix_queue = &multi_rsp_queue; | |
1913 | qla_printk(KERN_INFO, ha, | |
1914 | "MQ enabled, Number of Queue Resources: %d \n", | |
1915 | ha->max_queues); | |
1916 | } else { | |
1917 | ha->mqenable = 0; | |
1918 | msix_queue = &base_rsp_queue; | |
1919 | } | |
1920 | ||
1921 | qentry = &ha->msix_entries[1]; | |
1922 | ret = request_irq(qentry->vector, msix_queue->handler, 0, | |
1923 | msix_queue->name, rsp); | |
1924 | if (ret) { | |
1925 | qla_printk(KERN_WARNING, ha, | |
1926 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1927 | qentry->vector, ret); | |
1928 | qla24xx_disable_msix(ha); | |
1929 | ha->mqenable = 0; | |
1930 | goto msix_out; | |
1931 | } | |
1932 | qentry->have_irq = 1; | |
1933 | qentry->rsp = rsp; | |
1934 | ||
a8488abe | 1935 | msix_out: |
73208dfd | 1936 | kfree(entries); |
a8488abe AV |
1937 | return ret; |
1938 | } | |
1939 | ||
1940 | int | |
73208dfd | 1941 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1942 | { |
1943 | int ret; | |
963b0fdd | 1944 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1945 | |
1946 | /* If possible, enable MSI-X. */ | |
4d4df193 | 1947 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
a8488abe AV |
1948 | goto skip_msix; |
1949 | ||
e315cd28 AC |
1950 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
1951 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 1952 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
1953 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
1954 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
1955 | |
1956 | goto skip_msix; | |
1957 | } | |
1958 | ||
da7429f9 AV |
1959 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1960 | (ha->pdev->subsystem_device == 0x7040 || | |
1961 | ha->pdev->subsystem_device == 0x7041 || | |
1962 | ha->pdev->subsystem_device == 0x1705)) { | |
1963 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1964 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
1965 | ha->pdev->subsystem_vendor, | |
1966 | ha->pdev->subsystem_device)); | |
1967 | ||
1968 | goto skip_msi; | |
1969 | } | |
1970 | ||
73208dfd | 1971 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
1972 | if (!ret) { |
1973 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1974 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
1975 | ha->fw_attributes)); | |
963b0fdd | 1976 | goto clear_risc_ints; |
a8488abe AV |
1977 | } |
1978 | qla_printk(KERN_WARNING, ha, | |
1979 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
1980 | skip_msix: | |
cbedb601 | 1981 | |
4d4df193 | 1982 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
cbedb601 AV |
1983 | goto skip_msi; |
1984 | ||
1985 | ret = pci_enable_msi(ha->pdev); | |
1986 | if (!ret) { | |
1987 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
1988 | ha->flags.msi_enabled = 1; | |
1989 | } | |
1990 | skip_msi: | |
1991 | ||
fd34f556 | 1992 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
e315cd28 | 1993 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 1994 | if (ret) { |
a8488abe AV |
1995 | qla_printk(KERN_WARNING, ha, |
1996 | "Failed to reserve interrupt %d already in use.\n", | |
1997 | ha->pdev->irq); | |
963b0fdd AV |
1998 | goto fail; |
1999 | } | |
2000 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2001 | clear_risc_ints: |
2002 | ||
c6952483 | 2003 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2004 | if (IS_FWI2_CAPABLE(ha)) { |
2005 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2006 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2007 | } else { | |
2008 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2009 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2010 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2011 | } |
c6952483 | 2012 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2013 | |
963b0fdd | 2014 | fail: |
a8488abe AV |
2015 | return ret; |
2016 | } | |
2017 | ||
2018 | void | |
e315cd28 | 2019 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2020 | { |
e315cd28 | 2021 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2022 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2023 | |
2024 | if (ha->flags.msix_enabled) | |
2025 | qla24xx_disable_msix(ha); | |
cbedb601 | 2026 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2027 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2028 | pci_disable_msi(ha->pdev); |
2029 | } | |
a8488abe | 2030 | } |
e315cd28 AC |
2031 | |
2032 | static struct scsi_qla_host * | |
2033 | qla2x00_get_rsp_host(struct rsp_que *rsp) | |
2034 | { | |
2035 | srb_t *sp; | |
2036 | struct qla_hw_data *ha = rsp->hw; | |
2037 | struct scsi_qla_host *vha = NULL; | |
73208dfd AC |
2038 | struct sts_entry_24xx *pkt; |
2039 | struct req_que *req; | |
2040 | ||
2041 | if (rsp->id) { | |
2042 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2043 | req = rsp->req; | |
2044 | if (pkt && pkt->handle < MAX_OUTSTANDING_COMMANDS) { | |
2045 | sp = req->outstanding_cmds[pkt->handle]; | |
2046 | if (sp) | |
2047 | vha = sp->vha; | |
2048 | } | |
e315cd28 AC |
2049 | } |
2050 | if (!vha) | |
73208dfd | 2051 | /* handle it in base queue */ |
e315cd28 AC |
2052 | vha = pci_get_drvdata(ha->pdev); |
2053 | ||
2054 | return vha; | |
2055 | } | |
73208dfd AC |
2056 | |
2057 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2058 | { | |
2059 | struct qla_hw_data *ha = rsp->hw; | |
2060 | struct qla_init_msix_entry *intr = &multi_rsp_queue; | |
2061 | struct qla_msix_entry *msix = rsp->msix; | |
2062 | int ret; | |
2063 | ||
2064 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2065 | if (ret) { | |
2066 | qla_printk(KERN_WARNING, ha, | |
2067 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2068 | msix->vector, ret); | |
2069 | return ret; | |
2070 | } | |
2071 | msix->have_irq = 1; | |
2072 | msix->rsp = rsp; | |
2073 | return ret; | |
2074 | } | |
2075 | ||
17d98630 AC |
2076 | void |
2077 | qla25xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2078 | { | |
2079 | device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; | |
2080 | WRT_REG_DWORD(®->isp25mq.rsp_q_out, index); | |
2081 | } | |
2082 | ||
2083 | void | |
2084 | qla24xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2085 | { | |
2086 | device_reg_t __iomem *reg = (void *) ha->iobase; | |
2087 | WRT_REG_DWORD(®->isp24.rsp_q_out, index); | |
2088 | } | |
2089 |