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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 |
3a03eb79 | 278 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
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; | |
3a03eb79 AV |
291 | if (IS_QLA81XX(ha)) |
292 | goto skip_rio; | |
1da177e4 LT |
293 | switch (mb[0]) { |
294 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 295 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
296 | handle_cnt = 1; |
297 | break; | |
298 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 299 | handles[0] = mb[1]; |
1da177e4 LT |
300 | handle_cnt = 1; |
301 | mb[0] = MBA_SCSI_COMPLETION; | |
302 | break; | |
303 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
304 | handles[0] = mb[1]; |
305 | handles[1] = mb[2]; | |
1da177e4 LT |
306 | handle_cnt = 2; |
307 | mb[0] = MBA_SCSI_COMPLETION; | |
308 | break; | |
309 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
310 | handles[0] = mb[1]; |
311 | handles[1] = mb[2]; | |
312 | handles[2] = mb[3]; | |
1da177e4 LT |
313 | handle_cnt = 3; |
314 | mb[0] = MBA_SCSI_COMPLETION; | |
315 | break; | |
316 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
317 | handles[0] = mb[1]; |
318 | handles[1] = mb[2]; | |
319 | handles[2] = mb[3]; | |
1da177e4 LT |
320 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
321 | handle_cnt = 4; | |
322 | mb[0] = MBA_SCSI_COMPLETION; | |
323 | break; | |
324 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
325 | handles[0] = mb[1]; |
326 | handles[1] = mb[2]; | |
327 | handles[2] = mb[3]; | |
1da177e4 LT |
328 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
329 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
330 | handle_cnt = 5; | |
331 | mb[0] = MBA_SCSI_COMPLETION; | |
332 | break; | |
333 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 334 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
335 | handles[1] = le32_to_cpu( |
336 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
337 | RD_MAILBOX_REG(ha, reg, 6)); | |
338 | handle_cnt = 2; | |
339 | mb[0] = MBA_SCSI_COMPLETION; | |
340 | break; | |
341 | default: | |
342 | break; | |
343 | } | |
3a03eb79 | 344 | skip_rio: |
1da177e4 LT |
345 | switch (mb[0]) { |
346 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 347 | if (!vha->flags.online) |
1da177e4 LT |
348 | break; |
349 | ||
350 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
351 | qla2x00_process_completed_request(vha, rsp->req, |
352 | handles[cnt]); | |
1da177e4 LT |
353 | break; |
354 | ||
355 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
356 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
357 | vha->host_no)); | |
1da177e4 | 358 | |
e315cd28 | 359 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
360 | break; |
361 | ||
362 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
363 | qla_printk(KERN_INFO, ha, |
364 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
365 | mb[1], mb[2], mb[3]); | |
366 | ||
e315cd28 | 367 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 368 | |
e428924c | 369 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
370 | if (mb[1] == 0 && mb[2] == 0) { |
371 | qla_printk(KERN_ERR, ha, | |
372 | "Unrecoverable Hardware Error: adapter " | |
373 | "marked OFFLINE!\n"); | |
e315cd28 | 374 | vha->flags.online = 0; |
9a853f71 | 375 | } else |
e315cd28 | 376 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 377 | } else if (mb[1] == 0) { |
1da177e4 LT |
378 | qla_printk(KERN_INFO, ha, |
379 | "Unrecoverable Hardware Error: adapter marked " | |
380 | "OFFLINE!\n"); | |
e315cd28 | 381 | vha->flags.online = 0; |
1da177e4 | 382 | } else |
e315cd28 | 383 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
384 | break; |
385 | ||
386 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
387 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
e315cd28 | 388 | vha->host_no)); |
1da177e4 LT |
389 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); |
390 | ||
e315cd28 | 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 | 399 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
400 | break; |
401 | ||
402 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
403 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 404 | vha->host_no)); |
1da177e4 LT |
405 | break; |
406 | ||
407 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 408 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 409 | mb[1])); |
cc3ef7bc | 410 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 411 | |
e315cd28 AC |
412 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
413 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
414 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
415 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
416 | } |
417 | ||
e315cd28 AC |
418 | if (vha->vp_idx) { |
419 | atomic_set(&vha->vp_state, VP_FAILED); | |
420 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
421 | } |
422 | ||
e315cd28 AC |
423 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
424 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 425 | |
e315cd28 AC |
426 | vha->flags.management_server_logged_in = 0; |
427 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
428 | break; |
429 | ||
430 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
431 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
432 | link_speed = link_speeds[0]; | |
d8b45213 | 433 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 434 | } else { |
9a853f71 | 435 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
436 | if (mb[1] < 5) |
437 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
438 | else if (mb[1] == 0x13) |
439 | link_speed = link_speeds[5]; | |
1da177e4 LT |
440 | ha->link_data_rate = mb[1]; |
441 | } | |
442 | ||
443 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 444 | vha->host_no, link_speed)); |
1da177e4 LT |
445 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
446 | link_speed); | |
447 | ||
e315cd28 AC |
448 | vha->flags.management_server_logged_in = 0; |
449 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
450 | break; |
451 | ||
452 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 | 453 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
e315cd28 | 454 | "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
455 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", |
456 | mb[1], mb[2], mb[3]); | |
1da177e4 | 457 | |
e315cd28 AC |
458 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
459 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
460 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
461 | vha->device_flags |= DFLG_NO_CABLE; | |
462 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
463 | } |
464 | ||
e315cd28 AC |
465 | if (vha->vp_idx) { |
466 | atomic_set(&vha->vp_state, VP_FAILED); | |
467 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
468 | } |
469 | ||
e315cd28 | 470 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 471 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 472 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
473 | break; |
474 | ||
475 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 476 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 477 | vha->host_no, mb[1])); |
1da177e4 | 478 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 479 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 480 | |
e315cd28 AC |
481 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
482 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
483 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
484 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
485 | } |
486 | ||
e315cd28 AC |
487 | if (vha->vp_idx) { |
488 | atomic_set(&vha->vp_state, VP_FAILED); | |
489 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
490 | } |
491 | ||
e315cd28 | 492 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
493 | |
494 | ha->operating_mode = LOOP; | |
e315cd28 AC |
495 | vha->flags.management_server_logged_in = 0; |
496 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
497 | break; |
498 | ||
3a03eb79 | 499 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
500 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
501 | if (IS_QLA2100(ha)) | |
502 | break; | |
503 | ||
3a03eb79 AV |
504 | if (IS_QLA81XX(ha)) |
505 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " | |
506 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
507 | else | |
508 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
509 | "received.\n", vha->host_no)); | |
1da177e4 LT |
510 | |
511 | /* | |
512 | * Until there's a transition from loop down to loop up, treat | |
513 | * this as loop down only. | |
514 | */ | |
e315cd28 AC |
515 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
516 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
517 | if (!atomic_read(&vha->loop_down_timer)) | |
518 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 519 | LOOP_DOWN_TIME); |
e315cd28 | 520 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
521 | } |
522 | ||
e315cd28 AC |
523 | if (vha->vp_idx) { |
524 | atomic_set(&vha->vp_state, VP_FAILED); | |
525 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
526 | } |
527 | ||
e315cd28 AC |
528 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
529 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
530 | ||
531 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
532 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
533 | |
534 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 535 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
536 | break; |
537 | ||
538 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
539 | if (IS_QLA2100(ha)) | |
540 | break; | |
541 | ||
1da177e4 LT |
542 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
543 | "received.\n", | |
e315cd28 | 544 | vha->host_no)); |
1da177e4 LT |
545 | qla_printk(KERN_INFO, ha, |
546 | "Configuration change detected: value=%x.\n", mb[1]); | |
547 | ||
e315cd28 AC |
548 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
549 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
550 | if (!atomic_read(&vha->loop_down_timer)) | |
551 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 552 | LOOP_DOWN_TIME); |
e315cd28 | 553 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
554 | } |
555 | ||
e315cd28 AC |
556 | if (vha->vp_idx) { |
557 | atomic_set(&vha->vp_state, VP_FAILED); | |
558 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
559 | } |
560 | ||
e315cd28 AC |
561 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
562 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
563 | break; |
564 | ||
565 | case MBA_PORT_UPDATE: /* Port database update */ | |
73208dfd AC |
566 | /* Only handle SCNs for our Vport index. */ |
567 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) | |
568 | break; | |
569 | ||
1da177e4 | 570 | /* |
cc3ef7bc | 571 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
572 | * event etc. earlier indicating loop is down) then process |
573 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
574 | */ | |
e315cd28 AC |
575 | atomic_set(&vha->loop_down_timer, 0); |
576 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
577 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 578 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 579 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 580 | mb[2], mb[3])); |
1da177e4 LT |
581 | break; |
582 | } | |
583 | ||
584 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 585 | vha->host_no)); |
1da177e4 | 586 | DEBUG(printk(KERN_INFO |
9a853f71 | 587 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 588 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
589 | |
590 | /* | |
591 | * Mark all devices as missing so we will login again. | |
592 | */ | |
e315cd28 | 593 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 594 | |
e315cd28 | 595 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 596 | |
e315cd28 | 597 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 598 | |
e315cd28 AC |
599 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
600 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
601 | break; |
602 | ||
603 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 604 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 605 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
606 | break; |
607 | /* Only handle SCNs for our Vport index. */ | |
e315cd28 | 608 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 609 | break; |
1da177e4 | 610 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 611 | vha->host_no)); |
1da177e4 | 612 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 613 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 614 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 615 | |
59d72d87 | 616 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
617 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
618 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
619 | if (rscn_entry == host_pid) { |
620 | DEBUG(printk(KERN_INFO | |
621 | "scsi(%ld): Ignoring RSCN update to local host " | |
622 | "port ID (%06x)\n", | |
e315cd28 | 623 | vha->host_no, host_pid)); |
1da177e4 LT |
624 | break; |
625 | } | |
626 | ||
59d72d87 RA |
627 | /* Ignore reserved bits from RSCN-payload. */ |
628 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 629 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
630 | if (rscn_queue_index == MAX_RSCN_COUNT) |
631 | rscn_queue_index = 0; | |
e315cd28 AC |
632 | if (rscn_queue_index != vha->rscn_out_ptr) { |
633 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
634 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 635 | } else { |
e315cd28 | 636 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
637 | } |
638 | ||
e315cd28 AC |
639 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
640 | atomic_set(&vha->loop_down_timer, 0); | |
641 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 642 | |
e315cd28 AC |
643 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
644 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
645 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
646 | break; |
647 | ||
648 | /* case MBA_RIO_RESPONSE: */ | |
649 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 650 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 651 | vha->host_no)); |
1da177e4 | 652 | |
e428924c | 653 | if (IS_FWI2_CAPABLE(ha)) |
73208dfd | 654 | qla24xx_process_response_queue(rsp); |
4fdfefe5 | 655 | else |
73208dfd | 656 | qla2x00_process_response_queue(rsp); |
1da177e4 | 657 | break; |
9a853f71 AV |
658 | |
659 | case MBA_DISCARD_RND_FRAME: | |
660 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 661 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 662 | break; |
45ebeb56 AV |
663 | |
664 | case MBA_TRACE_NOTIFICATION: | |
665 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 666 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 667 | break; |
4d4df193 HK |
668 | |
669 | case MBA_ISP84XX_ALERT: | |
670 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 671 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
672 | |
673 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
674 | switch (mb[1]) { | |
675 | case A84_PANIC_RECOVERY: | |
676 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
677 | "%04x %04x\n", mb[2], mb[3]); | |
678 | break; | |
679 | case A84_OP_LOGIN_COMPLETE: | |
680 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
681 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
682 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
683 | break; | |
684 | case A84_DIAG_LOGIN_COMPLETE: | |
685 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
686 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
687 | "diagnostic firmware version %x\n", | |
688 | ha->cs84xx->diag_fw_version)); | |
689 | break; | |
690 | case A84_GOLD_LOGIN_COMPLETE: | |
691 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
692 | ha->cs84xx->fw_update = 1; | |
693 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
694 | "firmware version %x\n", | |
695 | ha->cs84xx->gold_fw_version)); | |
696 | break; | |
697 | default: | |
698 | qla_printk(KERN_ERR, ha, | |
699 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
700 | mb[1], mb[2], mb[3]); | |
701 | } | |
702 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
703 | break; | |
3a03eb79 AV |
704 | case MBA_DCBX_START: |
705 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
706 | vha->host_no, mb[1], mb[2], mb[3])); | |
707 | break; | |
708 | case MBA_DCBX_PARAM_UPDATE: | |
709 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
710 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
711 | break; | |
712 | case MBA_FCF_CONF_ERR: | |
713 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
714 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
715 | break; | |
716 | case MBA_IDC_COMPLETE: | |
717 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation " | |
718 | "Complete -- %04x %04x %04x\n", vha->host_no, mb[1], mb[2], | |
719 | mb[3])); | |
720 | break; | |
721 | case MBA_IDC_NOTIFY: | |
722 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation " | |
723 | "Request Notification -- %04x %04x %04x\n", vha->host_no, | |
724 | mb[1], mb[2], mb[3])); | |
725 | /**** Mailbox registers 4 - 7 valid!!! */ | |
726 | break; | |
727 | case MBA_IDC_TIME_EXT: | |
728 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation " | |
729 | "Time Extension -- %04x %04x %04x\n", vha->host_no, mb[1], | |
730 | mb[2], mb[3])); | |
731 | /**** Mailbox registers 4 - 7 valid!!! */ | |
732 | break; | |
1da177e4 | 733 | } |
2c3dfe3f | 734 | |
e315cd28 | 735 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 736 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
737 | } |
738 | ||
df7baa50 AV |
739 | static void |
740 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
741 | { | |
742 | fc_port_t *fcport = data; | |
73208dfd AC |
743 | struct scsi_qla_host *vha = fcport->vha; |
744 | struct qla_hw_data *ha = vha->hw; | |
745 | struct req_que *req = NULL; | |
746 | ||
747 | req = ha->req_q_map[vha->req_ques[0]]; | |
748 | if (!req) | |
749 | return; | |
750 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
751 | return; |
752 | ||
753 | if (sdev->ordered_tags) | |
754 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
755 | sdev->queue_depth + 1); | |
756 | else | |
757 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
758 | sdev->queue_depth + 1); | |
759 | ||
760 | fcport->last_ramp_up = jiffies; | |
761 | ||
e315cd28 | 762 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 763 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 764 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
765 | sdev->queue_depth)); |
766 | } | |
767 | ||
768 | static void | |
769 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
770 | { | |
771 | fc_port_t *fcport = data; | |
772 | ||
773 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
774 | return; | |
775 | ||
e315cd28 | 776 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 777 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 778 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
779 | sdev->queue_depth)); |
780 | } | |
781 | ||
782 | static inline void | |
73208dfd AC |
783 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
784 | srb_t *sp) | |
df7baa50 AV |
785 | { |
786 | fc_port_t *fcport; | |
787 | struct scsi_device *sdev; | |
788 | ||
789 | sdev = sp->cmd->device; | |
73208dfd | 790 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
791 | return; |
792 | ||
793 | fcport = sp->fcport; | |
794 | if (time_before(jiffies, | |
795 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
796 | return; | |
797 | if (time_before(jiffies, | |
798 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
799 | return; | |
800 | ||
df7baa50 AV |
801 | starget_for_each_device(sdev->sdev_target, fcport, |
802 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
803 | } |
804 | ||
1da177e4 LT |
805 | /** |
806 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
807 | * @ha: SCSI driver HA context | |
808 | * @index: SRB index | |
809 | */ | |
810 | static void | |
73208dfd AC |
811 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
812 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
813 | { |
814 | srb_t *sp; | |
e315cd28 | 815 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
816 | |
817 | /* Validate handle. */ | |
818 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
819 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 820 | vha->host_no, index)); |
1da177e4 LT |
821 | qla_printk(KERN_WARNING, ha, |
822 | "Invalid SCSI completion handle %d.\n", index); | |
823 | ||
e315cd28 | 824 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
825 | return; |
826 | } | |
827 | ||
e315cd28 | 828 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
829 | if (sp) { |
830 | /* Free outstanding command slot. */ | |
e315cd28 | 831 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 832 | |
1da177e4 LT |
833 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
834 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
835 | ||
836 | /* Save ISP completion status */ | |
837 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 838 | |
73208dfd AC |
839 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
840 | qla2x00_sp_compl(ha, sp); | |
1da177e4 LT |
841 | } else { |
842 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
e315cd28 | 843 | vha->host_no)); |
1da177e4 LT |
844 | qla_printk(KERN_WARNING, ha, |
845 | "Invalid ISP SCSI completion handle\n"); | |
846 | ||
e315cd28 | 847 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
848 | } |
849 | } | |
850 | ||
851 | /** | |
852 | * qla2x00_process_response_queue() - Process response queue entries. | |
853 | * @ha: SCSI driver HA context | |
854 | */ | |
855 | void | |
73208dfd | 856 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 857 | { |
73208dfd AC |
858 | struct scsi_qla_host *vha; |
859 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 860 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
861 | sts_entry_t *pkt; |
862 | uint16_t handle_cnt; | |
863 | uint16_t cnt; | |
73208dfd AC |
864 | |
865 | vha = qla2x00_get_rsp_host(rsp); | |
1da177e4 | 866 | |
e315cd28 | 867 | if (!vha->flags.online) |
1da177e4 LT |
868 | return; |
869 | ||
e315cd28 AC |
870 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
871 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 872 | |
e315cd28 AC |
873 | rsp->ring_index++; |
874 | if (rsp->ring_index == rsp->length) { | |
875 | rsp->ring_index = 0; | |
876 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 877 | } else { |
e315cd28 | 878 | rsp->ring_ptr++; |
1da177e4 LT |
879 | } |
880 | ||
881 | if (pkt->entry_status != 0) { | |
882 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 883 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 884 | |
73208dfd | 885 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
886 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
887 | wmb(); | |
888 | continue; | |
889 | } | |
890 | ||
891 | switch (pkt->entry_type) { | |
892 | case STATUS_TYPE: | |
73208dfd | 893 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
894 | break; |
895 | case STATUS_TYPE_21: | |
896 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
897 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 898 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
899 | ((sts21_entry_t *)pkt)->handle[cnt]); |
900 | } | |
901 | break; | |
902 | case STATUS_TYPE_22: | |
903 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
904 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 905 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
906 | ((sts22_entry_t *)pkt)->handle[cnt]); |
907 | } | |
908 | break; | |
909 | case STATUS_CONT_TYPE: | |
e315cd28 | 910 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
1da177e4 | 911 | break; |
1da177e4 LT |
912 | default: |
913 | /* Type Not Supported. */ | |
914 | DEBUG4(printk(KERN_WARNING | |
915 | "scsi(%ld): Received unknown response pkt type %x " | |
916 | "entry status=%x.\n", | |
e315cd28 | 917 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
918 | break; |
919 | } | |
920 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
921 | wmb(); | |
922 | } | |
923 | ||
924 | /* Adjust ring index */ | |
e315cd28 | 925 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
926 | } |
927 | ||
4733fcb1 AV |
928 | static inline void |
929 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) | |
930 | { | |
931 | struct scsi_cmnd *cp = sp->cmd; | |
932 | ||
933 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
934 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
935 | ||
936 | CMD_ACTUAL_SNSLEN(cp) = sense_len; | |
937 | sp->request_sense_length = sense_len; | |
938 | sp->request_sense_ptr = cp->sense_buffer; | |
939 | if (sp->request_sense_length > 32) | |
940 | sense_len = 32; | |
941 | ||
942 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
943 | ||
944 | sp->request_sense_ptr += sense_len; | |
945 | sp->request_sense_length -= sense_len; | |
946 | if (sp->request_sense_length != 0) | |
e315cd28 | 947 | sp->fcport->vha->status_srb = sp; |
4733fcb1 AV |
948 | |
949 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 950 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
951 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
952 | cp->serial_number)); | |
4733fcb1 AV |
953 | if (sense_len) |
954 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, | |
955 | CMD_ACTUAL_SNSLEN(cp))); | |
956 | } | |
957 | ||
1da177e4 LT |
958 | /** |
959 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
960 | * @ha: SCSI driver HA context | |
961 | * @pkt: Entry pointer | |
962 | */ | |
963 | static void | |
73208dfd | 964 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 965 | { |
1da177e4 | 966 | srb_t *sp; |
1da177e4 LT |
967 | fc_port_t *fcport; |
968 | struct scsi_cmnd *cp; | |
9a853f71 AV |
969 | sts_entry_t *sts; |
970 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
971 | uint16_t comp_status; |
972 | uint16_t scsi_status; | |
973 | uint8_t lscsi_status; | |
974 | int32_t resid; | |
ed17c71b | 975 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 976 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 977 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 978 | struct req_que *req = rsp->req; |
9a853f71 AV |
979 | |
980 | sts = (sts_entry_t *) pkt; | |
981 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 982 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
983 | comp_status = le16_to_cpu(sts24->comp_status); |
984 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
985 | } else { | |
986 | comp_status = le16_to_cpu(sts->comp_status); | |
987 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
988 | } | |
1da177e4 LT |
989 | |
990 | /* Fast path completion. */ | |
9a853f71 | 991 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
73208dfd | 992 | qla2x00_process_completed_request(vha, req, sts->handle); |
1da177e4 LT |
993 | |
994 | return; | |
995 | } | |
996 | ||
997 | /* Validate handle. */ | |
9a853f71 | 998 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
e315cd28 AC |
999 | sp = req->outstanding_cmds[sts->handle]; |
1000 | req->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
1001 | } else |
1002 | sp = NULL; | |
1003 | ||
1004 | if (sp == NULL) { | |
1005 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1006 | vha->host_no)); |
1da177e4 LT |
1007 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1008 | ||
e315cd28 AC |
1009 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1010 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1011 | return; |
1012 | } | |
1013 | cp = sp->cmd; | |
1014 | if (cp == NULL) { | |
1015 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
e315cd28 | 1016 | "pkt->handle=%d sp=%p.\n", vha->host_no, sts->handle, sp)); |
1da177e4 LT |
1017 | qla_printk(KERN_WARNING, ha, |
1018 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1019 | ||
1020 | return; | |
1021 | } | |
1022 | ||
9a853f71 AV |
1023 | lscsi_status = scsi_status & STATUS_MASK; |
1024 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
1025 | CMD_COMPL_STATUS(cp) = comp_status; |
1026 | CMD_SCSI_STATUS(cp) = scsi_status; | |
1027 | ||
bdf79621 | 1028 | fcport = sp->fcport; |
1da177e4 | 1029 | |
ed17c71b | 1030 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1031 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1032 | sense_len = le32_to_cpu(sts24->sense_len); |
1033 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1034 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 1035 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
1036 | rsp_info = sts24->data; |
1037 | sense_data = sts24->data; | |
1038 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1039 | } else { | |
1040 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1041 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1042 | resid_len = le32_to_cpu(sts->residual_length); | |
1043 | rsp_info = sts->rsp_info; | |
1044 | sense_data = sts->req_sense_data; | |
1045 | } | |
1046 | ||
1da177e4 LT |
1047 | /* Check for any FCP transport errors. */ |
1048 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1049 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1050 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1051 | sense_data += rsp_info_len; |
1052 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1053 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1054 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1055 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1056 | cp->device->channel, cp->device->id, |
1057 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1058 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1059 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1060 | |
1061 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1062 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1063 | return; |
1064 | } | |
1065 | } | |
1066 | ||
3e8ce320 AV |
1067 | /* Check for overrun. */ |
1068 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1069 | scsi_status & SS_RESIDUAL_OVER) | |
1070 | comp_status = CS_DATA_OVERRUN; | |
1071 | ||
1da177e4 LT |
1072 | /* |
1073 | * Based on Host and scsi status generate status code for Linux | |
1074 | */ | |
1075 | switch (comp_status) { | |
1076 | case CS_COMPLETE: | |
df7baa50 | 1077 | case CS_QUEUE_FULL: |
1da177e4 LT |
1078 | if (scsi_status == 0) { |
1079 | cp->result = DID_OK << 16; | |
1080 | break; | |
1081 | } | |
1082 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1083 | resid = resid_len; |
385d70b4 | 1084 | scsi_set_resid(cp, resid); |
1da177e4 | 1085 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
1086 | |
1087 | if (!lscsi_status && | |
385d70b4 | 1088 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1089 | cp->underflow)) { |
1090 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1091 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1092 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1093 | "error status.\n", vha->host_no, |
385d70b4 FT |
1094 | cp->device->channel, cp->device->id, |
1095 | cp->device->lun, resid, | |
1096 | scsi_bufflen(cp)); | |
0da69df1 AV |
1097 | |
1098 | cp->result = DID_ERROR << 16; | |
1099 | break; | |
1100 | } | |
1da177e4 | 1101 | } |
1da177e4 LT |
1102 | cp->result = DID_OK << 16 | lscsi_status; |
1103 | ||
df7baa50 AV |
1104 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1105 | DEBUG2(printk(KERN_INFO | |
1106 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1107 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1108 | scsi_status)); |
1109 | ||
1110 | /* Adjust queue depth for all luns on the port. */ | |
1111 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
1112 | starget_for_each_device(cp->device->sdev_target, |
1113 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1114 | break; |
1115 | } | |
1da177e4 LT |
1116 | if (lscsi_status != SS_CHECK_CONDITION) |
1117 | break; | |
1118 | ||
b80ca4f7 | 1119 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1120 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1121 | break; | |
1122 | ||
4733fcb1 | 1123 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1124 | break; |
1125 | ||
1126 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1127 | resid = resid_len; |
ed17c71b | 1128 | /* Use F/W calculated residual length. */ |
6acf8190 | 1129 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1130 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1131 | lscsi_status = 0; | |
1132 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1133 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1134 | lscsi_status = 0; | |
1135 | } | |
ed17c71b | 1136 | resid = fw_resid_len; |
6acf8190 | 1137 | } |
ed17c71b | 1138 | |
1da177e4 | 1139 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1140 | scsi_set_resid(cp, resid); |
1da177e4 | 1141 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1142 | } else { |
1143 | DEBUG2(printk(KERN_INFO | |
1144 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1145 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1146 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1147 | cp->device->id, cp->device->lun, comp_status, |
1148 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1149 | cp->underflow)); | |
e038a1be | 1150 | |
1da177e4 LT |
1151 | } |
1152 | ||
1153 | /* | |
fa2a1ce5 | 1154 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1155 | * Status. |
1156 | */ | |
1157 | if (lscsi_status != 0) { | |
1da177e4 LT |
1158 | cp->result = DID_OK << 16 | lscsi_status; |
1159 | ||
ffec28a3 AV |
1160 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1161 | DEBUG2(printk(KERN_INFO | |
1162 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1163 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1164 | scsi_status)); |
1165 | ||
1166 | /* | |
1167 | * Adjust queue depth for all luns on the | |
1168 | * port. | |
1169 | */ | |
1170 | fcport->last_queue_full = jiffies; | |
1171 | starget_for_each_device( | |
1172 | cp->device->sdev_target, fcport, | |
1173 | qla2x00_adjust_sdev_qdepth_down); | |
1174 | break; | |
1175 | } | |
1da177e4 LT |
1176 | if (lscsi_status != SS_CHECK_CONDITION) |
1177 | break; | |
1178 | ||
b80ca4f7 | 1179 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1180 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1181 | break; | |
1182 | ||
4733fcb1 | 1183 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1184 | } else { |
1185 | /* | |
1186 | * If RISC reports underrun and target does not report | |
1187 | * it then we must have a lost frame, so tell upper | |
1188 | * layer to retry it by reporting a bus busy. | |
1189 | */ | |
1190 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1191 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1192 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1193 | "retrying command.\n", |
1194 | vha->host_no, cp->device->channel, | |
1195 | cp->device->id, cp->device->lun, resid, | |
1196 | scsi_bufflen(cp))); | |
1da177e4 LT |
1197 | |
1198 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1199 | break; |
1200 | } | |
1201 | ||
1202 | /* Handle mid-layer underflow */ | |
385d70b4 | 1203 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1204 | cp->underflow) { |
1205 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1206 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1207 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1208 | "error status.\n", vha->host_no, |
385d70b4 FT |
1209 | cp->device->channel, cp->device->id, |
1210 | cp->device->lun, resid, | |
1211 | scsi_bufflen(cp)); | |
1da177e4 LT |
1212 | |
1213 | cp->result = DID_ERROR << 16; | |
1214 | break; | |
1215 | } | |
1216 | ||
1217 | /* Everybody online, looking good... */ | |
1218 | cp->result = DID_OK << 16; | |
1219 | } | |
1220 | break; | |
1221 | ||
1222 | case CS_DATA_OVERRUN: | |
1223 | DEBUG2(printk(KERN_INFO | |
1224 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1225 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1226 | scsi_status)); |
1da177e4 LT |
1227 | DEBUG2(printk(KERN_INFO |
1228 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1229 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1230 | cp->cmnd[4], cp->cmnd[5])); | |
1231 | DEBUG2(printk(KERN_INFO | |
1232 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1233 | "status!\n", | |
385d70b4 | 1234 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1235 | |
1236 | cp->result = DID_ERROR << 16; | |
1237 | break; | |
1238 | ||
1239 | case CS_PORT_LOGGED_OUT: | |
1240 | case CS_PORT_CONFIG_CHG: | |
1241 | case CS_PORT_BUSY: | |
1242 | case CS_INCOMPLETE: | |
1243 | case CS_PORT_UNAVAILABLE: | |
1244 | /* | |
1245 | * If the port is in Target Down state, return all IOs for this | |
1246 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1247 | * retry_queue. | |
1248 | */ | |
1da177e4 LT |
1249 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1250 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1251 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1252 | cp->serial_number, comp_status, |
1da177e4 LT |
1253 | atomic_read(&fcport->state))); |
1254 | ||
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; | |
a7a28504 | 1261 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1262 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1263 | break; |
1264 | ||
1265 | case CS_RESET: | |
1266 | DEBUG2(printk(KERN_INFO | |
1267 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1268 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1269 | |
f4f051eb | 1270 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1271 | break; |
1272 | ||
1273 | case CS_ABORTED: | |
fa2a1ce5 | 1274 | /* |
1da177e4 LT |
1275 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1276 | * aborted this request then abort otherwise it must be a | |
1277 | * reset. | |
1278 | */ | |
1279 | DEBUG2(printk(KERN_INFO | |
1280 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1281 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1282 | |
1283 | cp->result = DID_RESET << 16; | |
1284 | break; | |
1285 | ||
1286 | case CS_TIMEOUT: | |
056a4483 MC |
1287 | /* |
1288 | * We are going to have the fc class block the rport | |
1289 | * while we try to recover so instruct the mid layer | |
1290 | * to requeue until the class decides how to handle this. | |
1291 | */ | |
1292 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1293 | |
e428924c | 1294 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1295 | DEBUG2(printk(KERN_INFO |
1296 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1297 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1298 | cp->device->id, cp->device->lun, comp_status, |
1299 | scsi_status)); | |
1300 | break; | |
1301 | } | |
1da177e4 LT |
1302 | DEBUG2(printk(KERN_INFO |
1303 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1304 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1305 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1306 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1307 | |
9a853f71 AV |
1308 | /* Check to see if logout occurred. */ |
1309 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1310 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1311 | break; |
1312 | ||
1da177e4 LT |
1313 | default: |
1314 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1315 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1316 | qla_printk(KERN_INFO, ha, |
1317 | "Unknown status detected 0x%x-0x%x.\n", | |
1318 | comp_status, scsi_status); | |
1319 | ||
1320 | cp->result = DID_ERROR << 16; | |
1321 | break; | |
1322 | } | |
1323 | ||
1324 | /* Place command on done queue. */ | |
e315cd28 | 1325 | if (vha->status_srb == NULL) |
73208dfd | 1326 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1327 | } |
1328 | ||
1329 | /** | |
1330 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1331 | * @ha: SCSI driver HA context | |
1332 | * @pkt: Entry pointer | |
1333 | * | |
1334 | * Extended sense data. | |
1335 | */ | |
1336 | static void | |
e315cd28 | 1337 | qla2x00_status_cont_entry(scsi_qla_host_t *vha, sts_cont_entry_t *pkt) |
1da177e4 LT |
1338 | { |
1339 | uint8_t sense_sz = 0; | |
e315cd28 AC |
1340 | struct qla_hw_data *ha = vha->hw; |
1341 | srb_t *sp = vha->status_srb; | |
1da177e4 LT |
1342 | struct scsi_cmnd *cp; |
1343 | ||
1344 | if (sp != NULL && sp->request_sense_length != 0) { | |
1345 | cp = sp->cmd; | |
1346 | if (cp == NULL) { | |
1347 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1348 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1349 | qla_printk(KERN_INFO, ha, |
1350 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1351 | sp); |
1da177e4 | 1352 | |
e315cd28 | 1353 | vha->status_srb = NULL; |
1da177e4 LT |
1354 | return; |
1355 | } | |
1356 | ||
1357 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1358 | sense_sz = sizeof(pkt->data); | |
1359 | } else { | |
1360 | sense_sz = sp->request_sense_length; | |
1361 | } | |
1362 | ||
1363 | /* Move sense data. */ | |
e428924c | 1364 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1365 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1366 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1367 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1368 | ||
1369 | sp->request_sense_ptr += sense_sz; | |
1370 | sp->request_sense_length -= sense_sz; | |
1371 | ||
1372 | /* Place command on done queue. */ | |
1373 | if (sp->request_sense_length == 0) { | |
e315cd28 | 1374 | vha->status_srb = NULL; |
73208dfd | 1375 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1376 | } |
1377 | } | |
1378 | } | |
1379 | ||
1380 | /** | |
1381 | * qla2x00_error_entry() - Process an error entry. | |
1382 | * @ha: SCSI driver HA context | |
1383 | * @pkt: Entry pointer | |
1384 | */ | |
1385 | static void | |
73208dfd | 1386 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1387 | { |
1388 | srb_t *sp; | |
e315cd28 | 1389 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 1390 | struct req_que *req = rsp->req; |
1da177e4 LT |
1391 | #if defined(QL_DEBUG_LEVEL_2) |
1392 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1393 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1394 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1395 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1396 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1397 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1398 | "%s: Invalid Entry Parameter\n", __func__); |
1399 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1400 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1401 | else if (pkt->entry_status & RF_BUSY) | |
1402 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1403 | else | |
1404 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1405 | #endif | |
1406 | ||
1407 | /* Validate handle. */ | |
1408 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
e315cd28 | 1409 | sp = req->outstanding_cmds[pkt->handle]; |
1da177e4 LT |
1410 | else |
1411 | sp = NULL; | |
1412 | ||
1413 | if (sp) { | |
1414 | /* Free outstanding command slot. */ | |
e315cd28 | 1415 | req->outstanding_cmds[pkt->handle] = NULL; |
354d6b21 | 1416 | |
1da177e4 LT |
1417 | /* Bad payload or header */ |
1418 | if (pkt->entry_status & | |
1419 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1420 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1421 | sp->cmd->result = DID_ERROR << 16; | |
1422 | } else if (pkt->entry_status & RF_BUSY) { | |
1423 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1424 | } else { | |
1425 | sp->cmd->result = DID_ERROR << 16; | |
1426 | } | |
73208dfd | 1427 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1428 | |
9a853f71 AV |
1429 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1430 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1431 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1432 | vha->host_no)); |
1da177e4 LT |
1433 | qla_printk(KERN_WARNING, ha, |
1434 | "Error entry - invalid handle\n"); | |
1435 | ||
e315cd28 AC |
1436 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1437 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1438 | } |
1439 | } | |
1440 | ||
9a853f71 AV |
1441 | /** |
1442 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1443 | * @ha: SCSI driver HA context | |
1444 | * @mb0: Mailbox0 register | |
1445 | */ | |
1446 | static void | |
e315cd28 | 1447 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1448 | { |
1449 | uint16_t cnt; | |
1450 | uint16_t __iomem *wptr; | |
e315cd28 | 1451 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1452 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1453 | ||
1454 | /* Load return mailbox registers. */ | |
1455 | ha->flags.mbox_int = 1; | |
1456 | ha->mailbox_out[0] = mb0; | |
1457 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1458 | ||
1459 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1460 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1461 | wptr++; | |
1462 | } | |
1463 | ||
1464 | if (ha->mcp) { | |
1465 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1466 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1467 | } else { |
1468 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1469 | __func__, vha->host_no)); |
9a853f71 AV |
1470 | } |
1471 | } | |
1472 | ||
1473 | /** | |
1474 | * qla24xx_process_response_queue() - Process response queue entries. | |
1475 | * @ha: SCSI driver HA context | |
1476 | */ | |
1477 | void | |
73208dfd | 1478 | qla24xx_process_response_queue(struct rsp_que *rsp) |
9a853f71 | 1479 | { |
73208dfd | 1480 | struct qla_hw_data *ha = rsp->hw; |
9a853f71 | 1481 | struct sts_entry_24xx *pkt; |
73208dfd AC |
1482 | struct scsi_qla_host *vha; |
1483 | ||
1484 | vha = qla2x00_get_rsp_host(rsp); | |
9a853f71 | 1485 | |
e315cd28 | 1486 | if (!vha->flags.online) |
9a853f71 AV |
1487 | return; |
1488 | ||
e315cd28 AC |
1489 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1490 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1491 | |
e315cd28 AC |
1492 | rsp->ring_index++; |
1493 | if (rsp->ring_index == rsp->length) { | |
1494 | rsp->ring_index = 0; | |
1495 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1496 | } else { |
e315cd28 | 1497 | rsp->ring_ptr++; |
9a853f71 AV |
1498 | } |
1499 | ||
1500 | if (pkt->entry_status != 0) { | |
1501 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1502 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1503 | |
73208dfd | 1504 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1505 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1506 | wmb(); | |
1507 | continue; | |
1508 | } | |
1509 | ||
1510 | switch (pkt->entry_type) { | |
1511 | case STATUS_TYPE: | |
73208dfd | 1512 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1513 | break; |
1514 | case STATUS_CONT_TYPE: | |
e315cd28 | 1515 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
9a853f71 | 1516 | break; |
2c3dfe3f | 1517 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1518 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1519 | (struct vp_rpt_id_entry_24xx *)pkt); |
1520 | break; | |
9a853f71 AV |
1521 | default: |
1522 | /* Type Not Supported. */ | |
1523 | DEBUG4(printk(KERN_WARNING | |
1524 | "scsi(%ld): Received unknown response pkt type %x " | |
1525 | "entry status=%x.\n", | |
e315cd28 | 1526 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1527 | break; |
1528 | } | |
1529 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1530 | wmb(); | |
1531 | } | |
1532 | ||
1533 | /* Adjust ring index */ | |
17d98630 | 1534 | ha->isp_ops->wrt_rsp_reg(ha, rsp->id, rsp->ring_index); |
9a853f71 AV |
1535 | } |
1536 | ||
05236a05 | 1537 | static void |
e315cd28 | 1538 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1539 | { |
1540 | int rval; | |
1541 | uint32_t cnt; | |
e315cd28 | 1542 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1543 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1544 | ||
3a03eb79 | 1545 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1546 | return; |
1547 | ||
1548 | rval = QLA_SUCCESS; | |
1549 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1550 | RD_REG_DWORD(®->iobase_addr); | |
1551 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1552 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1553 | rval == QLA_SUCCESS; cnt--) { | |
1554 | if (cnt) { | |
1555 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1556 | udelay(10); | |
1557 | } else | |
1558 | rval = QLA_FUNCTION_TIMEOUT; | |
1559 | } | |
1560 | if (rval == QLA_SUCCESS) | |
1561 | goto next_test; | |
1562 | ||
1563 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1564 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1565 | rval == QLA_SUCCESS; cnt--) { | |
1566 | if (cnt) { | |
1567 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1568 | udelay(10); | |
1569 | } else | |
1570 | rval = QLA_FUNCTION_TIMEOUT; | |
1571 | } | |
1572 | if (rval != QLA_SUCCESS) | |
1573 | goto done; | |
1574 | ||
1575 | next_test: | |
1576 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1577 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1578 | ||
1579 | done: | |
1580 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1581 | RD_REG_DWORD(®->iobase_window); | |
1582 | } | |
1583 | ||
9a853f71 AV |
1584 | /** |
1585 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1586 | * @irq: | |
1587 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1588 | * |
1589 | * Called by system whenever the host adapter generates an interrupt. | |
1590 | * | |
1591 | * Returns handled flag. | |
1592 | */ | |
1593 | irqreturn_t | |
7d12e780 | 1594 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1595 | { |
e315cd28 AC |
1596 | scsi_qla_host_t *vha; |
1597 | struct qla_hw_data *ha; | |
9a853f71 AV |
1598 | struct device_reg_24xx __iomem *reg; |
1599 | int status; | |
9a853f71 AV |
1600 | unsigned long iter; |
1601 | uint32_t stat; | |
1602 | uint32_t hccr; | |
1603 | uint16_t mb[4]; | |
e315cd28 | 1604 | struct rsp_que *rsp; |
9a853f71 | 1605 | |
e315cd28 AC |
1606 | rsp = (struct rsp_que *) dev_id; |
1607 | if (!rsp) { | |
9a853f71 | 1608 | printk(KERN_INFO |
e315cd28 | 1609 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1610 | return IRQ_NONE; |
1611 | } | |
1612 | ||
e315cd28 | 1613 | ha = rsp->hw; |
9a853f71 AV |
1614 | reg = &ha->iobase->isp24; |
1615 | status = 0; | |
1616 | ||
c6952483 | 1617 | spin_lock(&ha->hardware_lock); |
e315cd28 | 1618 | vha = qla2x00_get_rsp_host(rsp); |
9a853f71 AV |
1619 | for (iter = 50; iter--; ) { |
1620 | stat = RD_REG_DWORD(®->host_status); | |
1621 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1622 | if (pci_channel_offline(ha->pdev)) |
1623 | break; | |
1624 | ||
9a853f71 AV |
1625 | hccr = RD_REG_DWORD(®->hccr); |
1626 | ||
1627 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1628 | "Dumping firmware!\n", hccr); | |
05236a05 | 1629 | |
e315cd28 | 1630 | qla2xxx_check_risc_status(vha); |
05236a05 | 1631 | |
e315cd28 AC |
1632 | ha->isp_ops->fw_dump(vha, 1); |
1633 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1634 | break; |
1635 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1636 | break; | |
1637 | ||
1638 | switch (stat & 0xff) { | |
1639 | case 0x1: | |
1640 | case 0x2: | |
1641 | case 0x10: | |
1642 | case 0x11: | |
e315cd28 | 1643 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1644 | status |= MBX_INTERRUPT; |
1645 | ||
1646 | break; | |
1647 | case 0x12: | |
1648 | mb[0] = MSW(stat); | |
1649 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1650 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1651 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1652 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1653 | break; |
1654 | case 0x13: | |
73208dfd AC |
1655 | case 0x14: |
1656 | qla24xx_process_response_queue(rsp); | |
9a853f71 AV |
1657 | break; |
1658 | default: | |
1659 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1660 | "(%d).\n", | |
e315cd28 | 1661 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1662 | break; |
1663 | } | |
1664 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1665 | RD_REG_DWORD_RELAXED(®->hccr); | |
1666 | } | |
c6952483 | 1667 | spin_unlock(&ha->hardware_lock); |
9a853f71 AV |
1668 | |
1669 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1670 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1671 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1672 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1673 | } |
1674 | ||
1675 | return IRQ_HANDLED; | |
1676 | } | |
1677 | ||
a8488abe AV |
1678 | static irqreturn_t |
1679 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1680 | { | |
e315cd28 AC |
1681 | struct qla_hw_data *ha; |
1682 | struct rsp_que *rsp; | |
a8488abe | 1683 | struct device_reg_24xx __iomem *reg; |
a8488abe | 1684 | |
e315cd28 AC |
1685 | rsp = (struct rsp_que *) dev_id; |
1686 | if (!rsp) { | |
1687 | printk(KERN_INFO | |
1688 | "%s(): NULL response queue pointer\n", __func__); | |
1689 | return IRQ_NONE; | |
1690 | } | |
1691 | ha = rsp->hw; | |
a8488abe AV |
1692 | reg = &ha->iobase->isp24; |
1693 | ||
0e973a24 | 1694 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1695 | |
73208dfd | 1696 | qla24xx_process_response_queue(rsp); |
a8488abe | 1697 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1698 | |
0e973a24 | 1699 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1700 | |
1701 | return IRQ_HANDLED; | |
1702 | } | |
1703 | ||
73208dfd AC |
1704 | static irqreturn_t |
1705 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1706 | { | |
1707 | struct qla_hw_data *ha; | |
1708 | struct rsp_que *rsp; | |
1709 | struct device_reg_24xx __iomem *reg; | |
1710 | uint16_t msix_disabled_hccr = 0; | |
1711 | ||
1712 | rsp = (struct rsp_que *) dev_id; | |
1713 | if (!rsp) { | |
1714 | printk(KERN_INFO | |
1715 | "%s(): NULL response queue pointer\n", __func__); | |
1716 | return IRQ_NONE; | |
1717 | } | |
1718 | ha = rsp->hw; | |
1719 | reg = &ha->iobase->isp24; | |
1720 | ||
1721 | spin_lock_irq(&ha->hardware_lock); | |
1722 | ||
1723 | msix_disabled_hccr = rsp->options; | |
1724 | if (!rsp->id) | |
1725 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_22); | |
1726 | else | |
17d98630 | 1727 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_6); |
73208dfd AC |
1728 | |
1729 | qla24xx_process_response_queue(rsp); | |
1730 | ||
1731 | if (!msix_disabled_hccr) | |
1732 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1733 | ||
1734 | spin_unlock_irq(&ha->hardware_lock); | |
1735 | ||
1736 | return IRQ_HANDLED; | |
1737 | } | |
1738 | ||
a8488abe AV |
1739 | static irqreturn_t |
1740 | qla24xx_msix_default(int irq, void *dev_id) | |
1741 | { | |
e315cd28 AC |
1742 | scsi_qla_host_t *vha; |
1743 | struct qla_hw_data *ha; | |
1744 | struct rsp_que *rsp; | |
a8488abe AV |
1745 | struct device_reg_24xx __iomem *reg; |
1746 | int status; | |
a8488abe AV |
1747 | uint32_t stat; |
1748 | uint32_t hccr; | |
1749 | uint16_t mb[4]; | |
1750 | ||
e315cd28 AC |
1751 | rsp = (struct rsp_que *) dev_id; |
1752 | if (!rsp) { | |
1753 | DEBUG(printk( | |
1754 | "%s(): NULL response queue pointer\n", __func__)); | |
1755 | return IRQ_NONE; | |
1756 | } | |
1757 | ha = rsp->hw; | |
a8488abe AV |
1758 | reg = &ha->iobase->isp24; |
1759 | status = 0; | |
1760 | ||
0e973a24 | 1761 | spin_lock_irq(&ha->hardware_lock); |
e315cd28 | 1762 | vha = qla2x00_get_rsp_host(rsp); |
87f27015 | 1763 | do { |
a8488abe AV |
1764 | stat = RD_REG_DWORD(®->host_status); |
1765 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1766 | if (pci_channel_offline(ha->pdev)) |
1767 | break; | |
1768 | ||
a8488abe AV |
1769 | hccr = RD_REG_DWORD(®->hccr); |
1770 | ||
1771 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1772 | "Dumping firmware!\n", hccr); | |
05236a05 | 1773 | |
e315cd28 | 1774 | qla2xxx_check_risc_status(vha); |
05236a05 | 1775 | |
e315cd28 AC |
1776 | ha->isp_ops->fw_dump(vha, 1); |
1777 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1778 | break; |
1779 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1780 | break; | |
1781 | ||
1782 | switch (stat & 0xff) { | |
1783 | case 0x1: | |
1784 | case 0x2: | |
1785 | case 0x10: | |
1786 | case 0x11: | |
e315cd28 | 1787 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1788 | status |= MBX_INTERRUPT; |
1789 | ||
1790 | break; | |
1791 | case 0x12: | |
1792 | mb[0] = MSW(stat); | |
1793 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1794 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1795 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1796 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1797 | break; |
1798 | case 0x13: | |
73208dfd AC |
1799 | case 0x14: |
1800 | qla24xx_process_response_queue(rsp); | |
a8488abe AV |
1801 | break; |
1802 | default: | |
1803 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1804 | "(%d).\n", | |
e315cd28 | 1805 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1806 | break; |
1807 | } | |
1808 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1809 | } while (0); |
0e973a24 | 1810 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1811 | |
1812 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1813 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1814 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1815 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1816 | } |
1817 | ||
1818 | return IRQ_HANDLED; | |
1819 | } | |
1820 | ||
1821 | /* Interrupt handling helpers. */ | |
1822 | ||
1823 | struct qla_init_msix_entry { | |
1824 | uint16_t entry; | |
1825 | uint16_t index; | |
1826 | const char *name; | |
476834c2 | 1827 | irq_handler_t handler; |
a8488abe AV |
1828 | }; |
1829 | ||
73208dfd AC |
1830 | static struct qla_init_msix_entry base_queue = { |
1831 | .entry = 0, | |
1832 | .index = 0, | |
1833 | .name = "qla2xxx (default)", | |
1834 | .handler = qla24xx_msix_default, | |
1835 | }; | |
1836 | ||
1837 | static struct qla_init_msix_entry base_rsp_queue = { | |
1838 | .entry = 1, | |
1839 | .index = 1, | |
1840 | .name = "qla2xxx (rsp_q)", | |
1841 | .handler = qla24xx_msix_rsp_q, | |
1842 | }; | |
a8488abe | 1843 | |
73208dfd AC |
1844 | static struct qla_init_msix_entry multi_rsp_queue = { |
1845 | .entry = 1, | |
1846 | .index = 1, | |
1847 | .name = "qla2xxx (multi_q)", | |
1848 | .handler = qla25xx_msix_rsp_q, | |
a8488abe AV |
1849 | }; |
1850 | ||
1851 | static void | |
e315cd28 | 1852 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1853 | { |
1854 | int i; | |
1855 | struct qla_msix_entry *qentry; | |
1856 | ||
73208dfd AC |
1857 | for (i = 0; i < ha->msix_count; i++) { |
1858 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1859 | if (qentry->have_irq) |
73208dfd | 1860 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1861 | } |
1862 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1863 | kfree(ha->msix_entries); |
1864 | ha->msix_entries = NULL; | |
1865 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1866 | } |
1867 | ||
1868 | static int | |
73208dfd | 1869 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1870 | { |
1871 | int i, ret; | |
73208dfd | 1872 | struct msix_entry *entries; |
a8488abe | 1873 | struct qla_msix_entry *qentry; |
73208dfd AC |
1874 | struct qla_init_msix_entry *msix_queue; |
1875 | ||
1876 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1877 | GFP_KERNEL); | |
1878 | if (!entries) | |
1879 | return -ENOMEM; | |
a8488abe | 1880 | |
73208dfd AC |
1881 | for (i = 0; i < ha->msix_count; i++) |
1882 | entries[i].entry = i; | |
a8488abe | 1883 | |
73208dfd | 1884 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe AV |
1885 | if (ret) { |
1886 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
1887 | "MSI-X: Failed to enable support -- %d/%d\n" |
1888 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1889 | ha->msix_count = ret; | |
1890 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1891 | if (ret) { | |
1892 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" | |
1893 | " support, giving up -- %d/%d\n", | |
1894 | ha->msix_count, ret); | |
1895 | goto msix_out; | |
1896 | } | |
1897 | ha->max_queues = ha->msix_count - 1; | |
1898 | } | |
1899 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1900 | ha->msix_count, GFP_KERNEL); | |
1901 | if (!ha->msix_entries) { | |
1902 | ret = -ENOMEM; | |
a8488abe AV |
1903 | goto msix_out; |
1904 | } | |
1905 | ha->flags.msix_enabled = 1; | |
1906 | ||
73208dfd AC |
1907 | for (i = 0; i < ha->msix_count; i++) { |
1908 | qentry = &ha->msix_entries[i]; | |
1909 | qentry->vector = entries[i].vector; | |
1910 | qentry->entry = entries[i].entry; | |
a8488abe | 1911 | qentry->have_irq = 0; |
73208dfd | 1912 | qentry->rsp = NULL; |
a8488abe AV |
1913 | } |
1914 | ||
73208dfd AC |
1915 | /* Enable MSI-X for AENs for queue 0 */ |
1916 | qentry = &ha->msix_entries[0]; | |
1917 | ret = request_irq(qentry->vector, base_queue.handler, 0, | |
1918 | base_queue.name, rsp); | |
1919 | if (ret) { | |
1920 | qla_printk(KERN_WARNING, ha, | |
1921 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1922 | qentry->vector, ret); | |
1923 | qla24xx_disable_msix(ha); | |
1924 | goto msix_out; | |
1925 | } | |
1926 | qentry->have_irq = 1; | |
1927 | qentry->rsp = rsp; | |
1928 | ||
1929 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
1930 | if (ha->max_queues > 1 && ha->mqiobase) { | |
1931 | ha->mqenable = 1; | |
1932 | msix_queue = &multi_rsp_queue; | |
1933 | qla_printk(KERN_INFO, ha, | |
1934 | "MQ enabled, Number of Queue Resources: %d \n", | |
1935 | ha->max_queues); | |
1936 | } else { | |
1937 | ha->mqenable = 0; | |
1938 | msix_queue = &base_rsp_queue; | |
1939 | } | |
1940 | ||
1941 | qentry = &ha->msix_entries[1]; | |
1942 | ret = request_irq(qentry->vector, msix_queue->handler, 0, | |
1943 | msix_queue->name, rsp); | |
1944 | if (ret) { | |
1945 | qla_printk(KERN_WARNING, ha, | |
1946 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1947 | qentry->vector, ret); | |
1948 | qla24xx_disable_msix(ha); | |
1949 | ha->mqenable = 0; | |
1950 | goto msix_out; | |
1951 | } | |
1952 | qentry->have_irq = 1; | |
1953 | qentry->rsp = rsp; | |
1954 | ||
a8488abe | 1955 | msix_out: |
73208dfd | 1956 | kfree(entries); |
a8488abe AV |
1957 | return ret; |
1958 | } | |
1959 | ||
1960 | int | |
73208dfd | 1961 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1962 | { |
1963 | int ret; | |
963b0fdd | 1964 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1965 | |
1966 | /* If possible, enable MSI-X. */ | |
3a03eb79 AV |
1967 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
1968 | !IS_QLA8432(ha) && !IS_QLA8001(ha)) | |
a8488abe AV |
1969 | goto skip_msix; |
1970 | ||
e315cd28 AC |
1971 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
1972 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 1973 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
1974 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
1975 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
1976 | |
1977 | goto skip_msix; | |
1978 | } | |
1979 | ||
da7429f9 AV |
1980 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1981 | (ha->pdev->subsystem_device == 0x7040 || | |
1982 | ha->pdev->subsystem_device == 0x7041 || | |
1983 | ha->pdev->subsystem_device == 0x1705)) { | |
1984 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1985 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
1986 | ha->pdev->subsystem_vendor, | |
1987 | ha->pdev->subsystem_device)); | |
1988 | ||
1989 | goto skip_msi; | |
1990 | } | |
1991 | ||
73208dfd | 1992 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
1993 | if (!ret) { |
1994 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1995 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
1996 | ha->fw_attributes)); | |
963b0fdd | 1997 | goto clear_risc_ints; |
a8488abe AV |
1998 | } |
1999 | qla_printk(KERN_WARNING, ha, | |
2000 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
2001 | skip_msix: | |
cbedb601 | 2002 | |
3a03eb79 AV |
2003 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2004 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2005 | goto skip_msi; |
2006 | ||
2007 | ret = pci_enable_msi(ha->pdev); | |
2008 | if (!ret) { | |
2009 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2010 | ha->flags.msi_enabled = 1; | |
2011 | } | |
2012 | skip_msi: | |
2013 | ||
fd34f556 | 2014 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
e315cd28 | 2015 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2016 | if (ret) { |
a8488abe AV |
2017 | qla_printk(KERN_WARNING, ha, |
2018 | "Failed to reserve interrupt %d already in use.\n", | |
2019 | ha->pdev->irq); | |
963b0fdd AV |
2020 | goto fail; |
2021 | } | |
2022 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2023 | clear_risc_ints: |
2024 | ||
3a03eb79 AV |
2025 | /* |
2026 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2027 | * Timing deltas during MSI-X/INTa transitions? | |
2028 | */ | |
2029 | if (IS_QLA81XX(ha)) | |
2030 | goto fail; | |
c6952483 | 2031 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2032 | if (IS_FWI2_CAPABLE(ha)) { |
2033 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2034 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2035 | } else { | |
2036 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2037 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2038 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2039 | } |
c6952483 | 2040 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2041 | |
963b0fdd | 2042 | fail: |
a8488abe AV |
2043 | return ret; |
2044 | } | |
2045 | ||
2046 | void | |
e315cd28 | 2047 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2048 | { |
e315cd28 | 2049 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2050 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2051 | |
2052 | if (ha->flags.msix_enabled) | |
2053 | qla24xx_disable_msix(ha); | |
cbedb601 | 2054 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2055 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2056 | pci_disable_msi(ha->pdev); |
2057 | } | |
a8488abe | 2058 | } |
e315cd28 AC |
2059 | |
2060 | static struct scsi_qla_host * | |
2061 | qla2x00_get_rsp_host(struct rsp_que *rsp) | |
2062 | { | |
2063 | srb_t *sp; | |
2064 | struct qla_hw_data *ha = rsp->hw; | |
2065 | struct scsi_qla_host *vha = NULL; | |
73208dfd AC |
2066 | struct sts_entry_24xx *pkt; |
2067 | struct req_que *req; | |
2068 | ||
2069 | if (rsp->id) { | |
2070 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2071 | req = rsp->req; | |
2072 | if (pkt && pkt->handle < MAX_OUTSTANDING_COMMANDS) { | |
2073 | sp = req->outstanding_cmds[pkt->handle]; | |
2074 | if (sp) | |
444786d7 | 2075 | vha = sp->fcport->vha; |
73208dfd | 2076 | } |
e315cd28 AC |
2077 | } |
2078 | if (!vha) | |
73208dfd | 2079 | /* handle it in base queue */ |
e315cd28 AC |
2080 | vha = pci_get_drvdata(ha->pdev); |
2081 | ||
2082 | return vha; | |
2083 | } | |
73208dfd AC |
2084 | |
2085 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2086 | { | |
2087 | struct qla_hw_data *ha = rsp->hw; | |
2088 | struct qla_init_msix_entry *intr = &multi_rsp_queue; | |
2089 | struct qla_msix_entry *msix = rsp->msix; | |
2090 | int ret; | |
2091 | ||
2092 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2093 | if (ret) { | |
2094 | qla_printk(KERN_WARNING, ha, | |
2095 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2096 | msix->vector, ret); | |
2097 | return ret; | |
2098 | } | |
2099 | msix->have_irq = 1; | |
2100 | msix->rsp = rsp; | |
2101 | return ret; | |
2102 | } | |
2103 | ||
17d98630 AC |
2104 | void |
2105 | qla25xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2106 | { | |
2107 | device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; | |
2108 | WRT_REG_DWORD(®->isp25mq.rsp_q_out, index); | |
2109 | } | |
2110 | ||
2111 | void | |
2112 | qla24xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2113 | { | |
2114 | device_reg_t __iomem *reg = (void *) ha->iobase; | |
2115 | WRT_REG_DWORD(®->isp24.rsp_q_out, index); | |
2116 | } | |
2117 |