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Commit | Line | Data |
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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> |
5a0e3ad6 | 10 | #include <linux/slab.h> |
df7baa50 | 11 | #include <scsi/scsi_tcq.h> |
9a069e19 | 12 | #include <scsi/scsi_bsg_fc.h> |
bad75002 | 13 | #include <scsi/scsi_eh.h> |
df7baa50 | 14 | |
1da177e4 | 15 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
16 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
17 | struct req_que *, uint32_t); | |
18 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
2afa19a9 | 19 | static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
73208dfd AC |
20 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
21 | sts_entry_t *); | |
9a853f71 | 22 | |
1da177e4 LT |
23 | /** |
24 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
25 | * @irq: | |
26 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
27 | * |
28 | * Called by system whenever the host adapter generates an interrupt. | |
29 | * | |
30 | * Returns handled flag. | |
31 | */ | |
32 | irqreturn_t | |
7d12e780 | 33 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 34 | { |
e315cd28 AC |
35 | scsi_qla_host_t *vha; |
36 | struct qla_hw_data *ha; | |
3d71644c | 37 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 38 | int status; |
1da177e4 | 39 | unsigned long iter; |
14e660e6 | 40 | uint16_t hccr; |
9a853f71 | 41 | uint16_t mb[4]; |
e315cd28 | 42 | struct rsp_que *rsp; |
43fac4d9 | 43 | unsigned long flags; |
1da177e4 | 44 | |
e315cd28 AC |
45 | rsp = (struct rsp_que *) dev_id; |
46 | if (!rsp) { | |
1da177e4 | 47 | printk(KERN_INFO |
e315cd28 | 48 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
49 | return (IRQ_NONE); |
50 | } | |
51 | ||
e315cd28 | 52 | ha = rsp->hw; |
3d71644c | 53 | reg = &ha->iobase->isp; |
1da177e4 LT |
54 | status = 0; |
55 | ||
43fac4d9 | 56 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 57 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 58 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
59 | hccr = RD_REG_WORD(®->hccr); |
60 | if (hccr & HCCR_RISC_PAUSE) { | |
61 | if (pci_channel_offline(ha->pdev)) | |
62 | break; | |
63 | ||
64 | /* | |
65 | * Issue a "HARD" reset in order for the RISC interrupt | |
66 | * bit to be cleared. Schedule a big hammmer to get | |
67 | * out of the RISC PAUSED state. | |
68 | */ | |
69 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
70 | RD_REG_WORD(®->hccr); | |
71 | ||
e315cd28 AC |
72 | ha->isp_ops->fw_dump(vha, 1); |
73 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
74 | break; |
75 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
76 | break; |
77 | ||
78 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
79 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
80 | RD_REG_WORD(®->hccr); | |
81 | ||
82 | /* Get mailbox data. */ | |
9a853f71 AV |
83 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
84 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 85 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 86 | status |= MBX_INTERRUPT; |
9a853f71 AV |
87 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
88 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
89 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
90 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 91 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
92 | } else { |
93 | /*EMPTY*/ | |
94 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 95 | "interrupt type (%d).\n", |
e315cd28 | 96 | vha->host_no, mb[0])); |
1da177e4 LT |
97 | } |
98 | /* Release mailbox registers. */ | |
99 | WRT_REG_WORD(®->semaphore, 0); | |
100 | RD_REG_WORD(®->semaphore); | |
101 | } else { | |
73208dfd | 102 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
103 | |
104 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
105 | RD_REG_WORD(®->hccr); | |
106 | } | |
107 | } | |
43fac4d9 | 108 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 109 | |
1da177e4 LT |
110 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
111 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 112 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 113 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
114 | } |
115 | ||
1da177e4 LT |
116 | return (IRQ_HANDLED); |
117 | } | |
118 | ||
119 | /** | |
120 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
121 | * @irq: | |
122 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
123 | * |
124 | * Called by system whenever the host adapter generates an interrupt. | |
125 | * | |
126 | * Returns handled flag. | |
127 | */ | |
128 | irqreturn_t | |
7d12e780 | 129 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 130 | { |
e315cd28 | 131 | scsi_qla_host_t *vha; |
3d71644c | 132 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 133 | int status; |
1da177e4 LT |
134 | unsigned long iter; |
135 | uint32_t stat; | |
1da177e4 | 136 | uint16_t hccr; |
9a853f71 | 137 | uint16_t mb[4]; |
e315cd28 AC |
138 | struct rsp_que *rsp; |
139 | struct qla_hw_data *ha; | |
43fac4d9 | 140 | unsigned long flags; |
1da177e4 | 141 | |
e315cd28 AC |
142 | rsp = (struct rsp_que *) dev_id; |
143 | if (!rsp) { | |
1da177e4 | 144 | printk(KERN_INFO |
e315cd28 | 145 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
146 | return (IRQ_NONE); |
147 | } | |
148 | ||
e315cd28 | 149 | ha = rsp->hw; |
3d71644c | 150 | reg = &ha->iobase->isp; |
1da177e4 LT |
151 | status = 0; |
152 | ||
43fac4d9 | 153 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 154 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 LT |
155 | for (iter = 50; iter--; ) { |
156 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
157 | if (stat & HSR_RISC_PAUSED) { | |
85880801 | 158 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
159 | break; |
160 | ||
1da177e4 LT |
161 | hccr = RD_REG_WORD(®->hccr); |
162 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
163 | qla_printk(KERN_INFO, ha, "Parity error -- " |
164 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 165 | else |
07f31805 AV |
166 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
167 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
168 | |
169 | /* | |
170 | * Issue a "HARD" reset in order for the RISC | |
171 | * interrupt bit to be cleared. Schedule a big | |
172 | * hammmer to get out of the RISC PAUSED state. | |
173 | */ | |
174 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
175 | RD_REG_WORD(®->hccr); | |
07f31805 | 176 | |
e315cd28 AC |
177 | ha->isp_ops->fw_dump(vha, 1); |
178 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
179 | break; |
180 | } else if ((stat & HSR_RISC_INT) == 0) | |
181 | break; | |
182 | ||
1da177e4 | 183 | switch (stat & 0xff) { |
1da177e4 LT |
184 | case 0x1: |
185 | case 0x2: | |
186 | case 0x10: | |
187 | case 0x11: | |
e315cd28 | 188 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
189 | status |= MBX_INTERRUPT; |
190 | ||
191 | /* Release mailbox registers. */ | |
192 | WRT_REG_WORD(®->semaphore, 0); | |
193 | break; | |
194 | case 0x12: | |
9a853f71 AV |
195 | mb[0] = MSW(stat); |
196 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
197 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
198 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 199 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
200 | break; |
201 | case 0x13: | |
73208dfd | 202 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
203 | break; |
204 | case 0x15: | |
9a853f71 AV |
205 | mb[0] = MBA_CMPLT_1_16BIT; |
206 | mb[1] = MSW(stat); | |
73208dfd | 207 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
208 | break; |
209 | case 0x16: | |
9a853f71 AV |
210 | mb[0] = MBA_SCSI_COMPLETION; |
211 | mb[1] = MSW(stat); | |
212 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 213 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
214 | break; |
215 | default: | |
216 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 217 | "(%d).\n", |
e315cd28 | 218 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
219 | break; |
220 | } | |
221 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
222 | RD_REG_WORD_RELAXED(®->hccr); | |
223 | } | |
43fac4d9 | 224 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 225 | |
1da177e4 LT |
226 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
227 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 228 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 229 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
230 | } |
231 | ||
1da177e4 LT |
232 | return (IRQ_HANDLED); |
233 | } | |
234 | ||
235 | /** | |
236 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
237 | * @ha: SCSI driver HA context | |
238 | * @mb0: Mailbox0 register | |
239 | */ | |
240 | static void | |
e315cd28 | 241 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
242 | { |
243 | uint16_t cnt; | |
244 | uint16_t __iomem *wptr; | |
e315cd28 | 245 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 246 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
247 | |
248 | /* Load return mailbox registers. */ | |
249 | ha->flags.mbox_int = 1; | |
250 | ha->mailbox_out[0] = mb0; | |
251 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
252 | ||
253 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 254 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
255 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
256 | if (cnt == 4 || cnt == 5) | |
257 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
258 | else | |
259 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 260 | |
1da177e4 LT |
261 | wptr++; |
262 | } | |
263 | ||
264 | if (ha->mcp) { | |
265 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 266 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
267 | } else { |
268 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 269 | __func__, vha->host_no)); |
1da177e4 LT |
270 | } |
271 | } | |
272 | ||
8a659571 AV |
273 | static void |
274 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
275 | { | |
276 | static char *event[] = | |
277 | { "Complete", "Request Notification", "Time Extension" }; | |
278 | int rval; | |
279 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
280 | uint16_t __iomem *wptr; | |
281 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
282 | ||
283 | /* Seed data -- mailbox1 -> mailbox7. */ | |
284 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
285 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
286 | mb[cnt] = RD_REG_WORD(wptr); | |
287 | ||
288 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
289 | "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, | |
290 | event[aen & 0xff], | |
291 | mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); | |
292 | ||
293 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
294 | timeout = (descr >> 8) & 0xf; | |
295 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
296 | return; | |
297 | ||
298 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
299 | "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); | |
300 | ||
301 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
302 | if (rval != QLA_SUCCESS) | |
303 | qla_printk(KERN_WARNING, vha->hw, | |
304 | "IDC failed to post ACK.\n"); | |
305 | } | |
306 | ||
1da177e4 LT |
307 | /** |
308 | * qla2x00_async_event() - Process aynchronous events. | |
309 | * @ha: SCSI driver HA context | |
9a853f71 | 310 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 311 | */ |
2c3dfe3f | 312 | void |
73208dfd | 313 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 314 | { |
9a853f71 | 315 | #define LS_UNKNOWN 2 |
3a03eb79 | 316 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 317 | char *link_speed; |
1da177e4 | 318 | uint16_t handle_cnt; |
bdab23da | 319 | uint16_t cnt, mbx; |
1da177e4 | 320 | uint32_t handles[5]; |
e315cd28 | 321 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 322 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 323 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
1da177e4 LT |
324 | uint32_t rscn_entry, host_pid; |
325 | uint8_t rscn_queue_index; | |
4d4df193 | 326 | unsigned long flags; |
1da177e4 LT |
327 | |
328 | /* Setup to process RIO completion. */ | |
329 | handle_cnt = 0; | |
a9083016 | 330 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 331 | goto skip_rio; |
1da177e4 LT |
332 | switch (mb[0]) { |
333 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 334 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
335 | handle_cnt = 1; |
336 | break; | |
337 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 338 | handles[0] = mb[1]; |
1da177e4 LT |
339 | handle_cnt = 1; |
340 | mb[0] = MBA_SCSI_COMPLETION; | |
341 | break; | |
342 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
343 | handles[0] = mb[1]; |
344 | handles[1] = mb[2]; | |
1da177e4 LT |
345 | handle_cnt = 2; |
346 | mb[0] = MBA_SCSI_COMPLETION; | |
347 | break; | |
348 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
349 | handles[0] = mb[1]; |
350 | handles[1] = mb[2]; | |
351 | handles[2] = mb[3]; | |
1da177e4 LT |
352 | handle_cnt = 3; |
353 | mb[0] = MBA_SCSI_COMPLETION; | |
354 | break; | |
355 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
356 | handles[0] = mb[1]; |
357 | handles[1] = mb[2]; | |
358 | handles[2] = mb[3]; | |
1da177e4 LT |
359 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
360 | handle_cnt = 4; | |
361 | mb[0] = MBA_SCSI_COMPLETION; | |
362 | break; | |
363 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
364 | handles[0] = mb[1]; |
365 | handles[1] = mb[2]; | |
366 | handles[2] = mb[3]; | |
1da177e4 LT |
367 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
368 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
369 | handle_cnt = 5; | |
370 | mb[0] = MBA_SCSI_COMPLETION; | |
371 | break; | |
372 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 373 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
374 | handles[1] = le32_to_cpu( |
375 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
376 | RD_MAILBOX_REG(ha, reg, 6)); | |
377 | handle_cnt = 2; | |
378 | mb[0] = MBA_SCSI_COMPLETION; | |
379 | break; | |
380 | default: | |
381 | break; | |
382 | } | |
3a03eb79 | 383 | skip_rio: |
1da177e4 LT |
384 | switch (mb[0]) { |
385 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 386 | if (!vha->flags.online) |
1da177e4 LT |
387 | break; |
388 | ||
389 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
390 | qla2x00_process_completed_request(vha, rsp->req, |
391 | handles[cnt]); | |
1da177e4 LT |
392 | break; |
393 | ||
394 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
395 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
396 | vha->host_no)); | |
1da177e4 | 397 | |
e315cd28 | 398 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
399 | break; |
400 | ||
401 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 402 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
1da177e4 | 403 | qla_printk(KERN_INFO, ha, |
bdab23da AV |
404 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
405 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 406 | |
e315cd28 | 407 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 408 | |
e428924c | 409 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
410 | if (mb[1] == 0 && mb[2] == 0) { |
411 | qla_printk(KERN_ERR, ha, | |
412 | "Unrecoverable Hardware Error: adapter " | |
413 | "marked OFFLINE!\n"); | |
e315cd28 | 414 | vha->flags.online = 0; |
9a853f71 | 415 | } else |
e315cd28 | 416 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 417 | } else if (mb[1] == 0) { |
1da177e4 LT |
418 | qla_printk(KERN_INFO, ha, |
419 | "Unrecoverable Hardware Error: adapter marked " | |
420 | "OFFLINE!\n"); | |
e315cd28 | 421 | vha->flags.online = 0; |
1da177e4 | 422 | } else |
e315cd28 | 423 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
424 | break; |
425 | ||
426 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
bdab23da AV |
427 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n", |
428 | vha->host_no, mb[1])); | |
429 | qla_printk(KERN_WARNING, ha, | |
430 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 431 | |
e315cd28 | 432 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
433 | break; |
434 | ||
435 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
436 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 437 | vha->host_no)); |
1da177e4 LT |
438 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
439 | ||
e315cd28 | 440 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
441 | break; |
442 | ||
443 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
444 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 445 | vha->host_no)); |
1da177e4 LT |
446 | break; |
447 | ||
448 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 449 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 450 | mb[1])); |
cc3ef7bc | 451 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 452 | |
e315cd28 AC |
453 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
454 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
455 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
456 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
457 | } |
458 | ||
e315cd28 AC |
459 | if (vha->vp_idx) { |
460 | atomic_set(&vha->vp_state, VP_FAILED); | |
461 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
462 | } |
463 | ||
e315cd28 AC |
464 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
465 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 466 | |
e315cd28 AC |
467 | vha->flags.management_server_logged_in = 0; |
468 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
469 | break; |
470 | ||
471 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
472 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
473 | link_speed = link_speeds[0]; | |
d8b45213 | 474 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 475 | } else { |
9a853f71 | 476 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
477 | if (mb[1] < 5) |
478 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
479 | else if (mb[1] == 0x13) |
480 | link_speed = link_speeds[5]; | |
1da177e4 LT |
481 | ha->link_data_rate = mb[1]; |
482 | } | |
483 | ||
484 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 485 | vha->host_no, link_speed)); |
1da177e4 LT |
486 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
487 | link_speed); | |
488 | ||
e315cd28 AC |
489 | vha->flags.management_server_logged_in = 0; |
490 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
491 | break; |
492 | ||
493 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 494 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
4d4df193 | 495 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
bdab23da AV |
496 | "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3], |
497 | mbx)); | |
498 | qla_printk(KERN_INFO, ha, | |
499 | "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], | |
500 | mbx); | |
1da177e4 | 501 | |
e315cd28 AC |
502 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
503 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
504 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
505 | vha->device_flags |= DFLG_NO_CABLE; | |
506 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
507 | } |
508 | ||
e315cd28 AC |
509 | if (vha->vp_idx) { |
510 | atomic_set(&vha->vp_state, VP_FAILED); | |
511 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
512 | } |
513 | ||
e315cd28 | 514 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 515 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 516 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
517 | break; |
518 | ||
519 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 520 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 521 | vha->host_no, mb[1])); |
1da177e4 | 522 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 523 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 524 | |
e315cd28 AC |
525 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
526 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
527 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
528 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
529 | } |
530 | ||
e315cd28 AC |
531 | if (vha->vp_idx) { |
532 | atomic_set(&vha->vp_state, VP_FAILED); | |
533 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
534 | } |
535 | ||
e315cd28 | 536 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
537 | |
538 | ha->operating_mode = LOOP; | |
e315cd28 AC |
539 | vha->flags.management_server_logged_in = 0; |
540 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
541 | break; |
542 | ||
3a03eb79 | 543 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
544 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
545 | if (IS_QLA2100(ha)) | |
546 | break; | |
547 | ||
a9083016 | 548 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 AV |
549 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " |
550 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
551 | else | |
552 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
553 | "received.\n", vha->host_no)); | |
1da177e4 LT |
554 | |
555 | /* | |
556 | * Until there's a transition from loop down to loop up, treat | |
557 | * this as loop down only. | |
558 | */ | |
e315cd28 AC |
559 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
560 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
561 | if (!atomic_read(&vha->loop_down_timer)) | |
562 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 563 | LOOP_DOWN_TIME); |
e315cd28 | 564 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
565 | } |
566 | ||
e315cd28 AC |
567 | if (vha->vp_idx) { |
568 | atomic_set(&vha->vp_state, VP_FAILED); | |
569 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
570 | } |
571 | ||
e315cd28 AC |
572 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
573 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
574 | ||
575 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
576 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
577 | |
578 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 579 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
580 | break; |
581 | ||
582 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
583 | if (IS_QLA2100(ha)) | |
584 | break; | |
585 | ||
1da177e4 LT |
586 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
587 | "received.\n", | |
e315cd28 | 588 | vha->host_no)); |
1da177e4 LT |
589 | qla_printk(KERN_INFO, ha, |
590 | "Configuration change detected: value=%x.\n", mb[1]); | |
591 | ||
e315cd28 AC |
592 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
593 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
594 | if (!atomic_read(&vha->loop_down_timer)) | |
595 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 596 | LOOP_DOWN_TIME); |
e315cd28 | 597 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
598 | } |
599 | ||
e315cd28 AC |
600 | if (vha->vp_idx) { |
601 | atomic_set(&vha->vp_state, VP_FAILED); | |
602 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
603 | } |
604 | ||
e315cd28 AC |
605 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
606 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
607 | break; |
608 | ||
609 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
610 | /* |
611 | * Handle only global and vn-port update events | |
612 | * | |
613 | * Relevant inputs: | |
614 | * mb[1] = N_Port handle of changed port | |
615 | * OR 0xffff for global event | |
616 | * mb[2] = New login state | |
617 | * 7 = Port logged out | |
618 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
619 | * | |
620 | * Skip processing if: | |
621 | * Event is global, vp_idx is NOT all vps, | |
622 | * vp_idx does not match | |
623 | * Event is not global, vp_idx does not match | |
624 | */ | |
12cec63e AV |
625 | if (IS_QLA2XXX_MIDTYPE(ha) && |
626 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
627 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
628 | break; | |
73208dfd | 629 | |
9764ff88 AV |
630 | /* Global event -- port logout or port unavailable. */ |
631 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
632 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
633 | vha->host_no)); | |
634 | DEBUG(printk(KERN_INFO | |
635 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
636 | vha->host_no, mb[1], mb[2], mb[3])); | |
637 | ||
638 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
639 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
640 | atomic_set(&vha->loop_down_timer, | |
641 | LOOP_DOWN_TIME); | |
642 | vha->device_flags |= DFLG_NO_CABLE; | |
643 | qla2x00_mark_all_devices_lost(vha, 1); | |
644 | } | |
645 | ||
646 | if (vha->vp_idx) { | |
647 | atomic_set(&vha->vp_state, VP_FAILED); | |
648 | fc_vport_set_state(vha->fc_vport, | |
649 | FC_VPORT_FAILED); | |
faadc5e7 | 650 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
651 | } |
652 | ||
653 | vha->flags.management_server_logged_in = 0; | |
654 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
655 | break; | |
656 | } | |
657 | ||
1da177e4 | 658 | /* |
cc3ef7bc | 659 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
660 | * event etc. earlier indicating loop is down) then process |
661 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
662 | */ | |
e315cd28 AC |
663 | atomic_set(&vha->loop_down_timer, 0); |
664 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
665 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 666 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 667 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 668 | mb[2], mb[3])); |
1da177e4 LT |
669 | break; |
670 | } | |
671 | ||
672 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 673 | vha->host_no)); |
1da177e4 | 674 | DEBUG(printk(KERN_INFO |
9a853f71 | 675 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 676 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
677 | |
678 | /* | |
679 | * Mark all devices as missing so we will login again. | |
680 | */ | |
e315cd28 | 681 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 682 | |
e315cd28 | 683 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 684 | |
e315cd28 | 685 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 686 | |
e315cd28 AC |
687 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
688 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
689 | break; |
690 | ||
691 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 692 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 693 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
694 | break; |
695 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 696 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 697 | break; |
0d6e61bc | 698 | |
1da177e4 | 699 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 700 | vha->host_no)); |
1da177e4 | 701 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 702 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 703 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 704 | |
59d72d87 | 705 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
706 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
707 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
708 | if (rscn_entry == host_pid) { |
709 | DEBUG(printk(KERN_INFO | |
710 | "scsi(%ld): Ignoring RSCN update to local host " | |
711 | "port ID (%06x)\n", | |
e315cd28 | 712 | vha->host_no, host_pid)); |
1da177e4 LT |
713 | break; |
714 | } | |
715 | ||
59d72d87 RA |
716 | /* Ignore reserved bits from RSCN-payload. */ |
717 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 718 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
719 | if (rscn_queue_index == MAX_RSCN_COUNT) |
720 | rscn_queue_index = 0; | |
e315cd28 AC |
721 | if (rscn_queue_index != vha->rscn_out_ptr) { |
722 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
723 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 724 | } else { |
e315cd28 | 725 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
726 | } |
727 | ||
e315cd28 AC |
728 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
729 | atomic_set(&vha->loop_down_timer, 0); | |
730 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 731 | |
e315cd28 AC |
732 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
733 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
734 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
735 | break; |
736 | ||
737 | /* case MBA_RIO_RESPONSE: */ | |
738 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 739 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 740 | vha->host_no)); |
1da177e4 | 741 | |
e428924c | 742 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 743 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 744 | else |
73208dfd | 745 | qla2x00_process_response_queue(rsp); |
1da177e4 | 746 | break; |
9a853f71 AV |
747 | |
748 | case MBA_DISCARD_RND_FRAME: | |
749 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 750 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 751 | break; |
45ebeb56 AV |
752 | |
753 | case MBA_TRACE_NOTIFICATION: | |
754 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 755 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 756 | break; |
4d4df193 HK |
757 | |
758 | case MBA_ISP84XX_ALERT: | |
759 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 760 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
761 | |
762 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
763 | switch (mb[1]) { | |
764 | case A84_PANIC_RECOVERY: | |
765 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
766 | "%04x %04x\n", mb[2], mb[3]); | |
767 | break; | |
768 | case A84_OP_LOGIN_COMPLETE: | |
769 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
770 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
771 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
772 | break; | |
773 | case A84_DIAG_LOGIN_COMPLETE: | |
774 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
775 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
776 | "diagnostic firmware version %x\n", | |
777 | ha->cs84xx->diag_fw_version)); | |
778 | break; | |
779 | case A84_GOLD_LOGIN_COMPLETE: | |
780 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
781 | ha->cs84xx->fw_update = 1; | |
782 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
783 | "firmware version %x\n", | |
784 | ha->cs84xx->gold_fw_version)); | |
785 | break; | |
786 | default: | |
787 | qla_printk(KERN_ERR, ha, | |
788 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
789 | mb[1], mb[2], mb[3]); | |
790 | } | |
791 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
792 | break; | |
3a03eb79 AV |
793 | case MBA_DCBX_START: |
794 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
795 | vha->host_no, mb[1], mb[2], mb[3])); | |
796 | break; | |
797 | case MBA_DCBX_PARAM_UPDATE: | |
798 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
799 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
800 | break; | |
801 | case MBA_FCF_CONF_ERR: | |
802 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
803 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
804 | break; | |
805 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 806 | case MBA_IDC_NOTIFY: |
3a03eb79 | 807 | case MBA_IDC_TIME_EXT: |
8a659571 | 808 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 809 | break; |
1da177e4 | 810 | } |
2c3dfe3f | 811 | |
e315cd28 | 812 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 813 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
814 | } |
815 | ||
816 | /** | |
817 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
818 | * @ha: SCSI driver HA context | |
819 | * @index: SRB index | |
820 | */ | |
821 | static void | |
73208dfd AC |
822 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
823 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
824 | { |
825 | srb_t *sp; | |
e315cd28 | 826 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
827 | |
828 | /* Validate handle. */ | |
829 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
830 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 831 | vha->host_no, index)); |
1da177e4 LT |
832 | qla_printk(KERN_WARNING, ha, |
833 | "Invalid SCSI completion handle %d.\n", index); | |
834 | ||
e315cd28 | 835 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
836 | return; |
837 | } | |
838 | ||
e315cd28 | 839 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
840 | if (sp) { |
841 | /* Free outstanding command slot. */ | |
e315cd28 | 842 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 843 | |
1da177e4 LT |
844 | /* Save ISP completion status */ |
845 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 846 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 847 | } else { |
2afa19a9 | 848 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
a9083016 | 849 | " handle(0x%x)\n", vha->host_no, req->id, index)); |
1da177e4 LT |
850 | qla_printk(KERN_WARNING, ha, |
851 | "Invalid ISP SCSI completion handle\n"); | |
852 | ||
e315cd28 | 853 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
854 | } |
855 | } | |
856 | ||
ac280b67 AV |
857 | static srb_t * |
858 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
859 | struct req_que *req, void *iocb) | |
860 | { | |
861 | struct qla_hw_data *ha = vha->hw; | |
862 | sts_entry_t *pkt = iocb; | |
863 | srb_t *sp = NULL; | |
864 | uint16_t index; | |
865 | ||
866 | index = LSW(pkt->handle); | |
867 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
868 | qla_printk(KERN_WARNING, ha, | |
869 | "%s: Invalid completion handle (%x).\n", func, index); | |
870 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
871 | goto done; | |
872 | } | |
873 | sp = req->outstanding_cmds[index]; | |
874 | if (!sp) { | |
875 | qla_printk(KERN_WARNING, ha, | |
876 | "%s: Invalid completion handle (%x) -- timed-out.\n", func, | |
877 | index); | |
878 | return sp; | |
879 | } | |
880 | if (sp->handle != index) { | |
881 | qla_printk(KERN_WARNING, ha, | |
882 | "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, | |
883 | index); | |
884 | return NULL; | |
885 | } | |
9a069e19 | 886 | |
ac280b67 | 887 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 888 | |
ac280b67 AV |
889 | done: |
890 | return sp; | |
891 | } | |
892 | ||
893 | static void | |
894 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
895 | struct mbx_entry *mbx) | |
896 | { | |
897 | const char func[] = "MBX-IOCB"; | |
898 | const char *type; | |
ac280b67 AV |
899 | fc_port_t *fcport; |
900 | srb_t *sp; | |
4916392b MI |
901 | struct srb_iocb *lio; |
902 | struct srb_ctx *ctx; | |
99b0bec7 | 903 | uint16_t *data; |
5ff1d584 | 904 | uint16_t status; |
ac280b67 AV |
905 | |
906 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
907 | if (!sp) | |
908 | return; | |
909 | ||
4916392b MI |
910 | ctx = sp->ctx; |
911 | lio = ctx->u.iocb_cmd; | |
912 | type = ctx->name; | |
ac280b67 | 913 | fcport = sp->fcport; |
4916392b | 914 | data = lio->u.logio.data; |
ac280b67 | 915 | |
5ff1d584 | 916 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 917 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 918 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
919 | if (mbx->entry_status) { |
920 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
921 | "scsi(%ld:%x): Async-%s error entry - portid=%02x%02x%02x " |
922 | "entry-status=%x status=%x state-flag=%x " | |
923 | "status-flags=%x.\n", | |
ac280b67 | 924 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
925 | fcport->d_id.b.domain, fcport->d_id.b.area, |
926 | fcport->d_id.b.al_pa, mbx->entry_status, | |
927 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), | |
ac280b67 | 928 | le16_to_cpu(mbx->status_flags))); |
d3fa9e7d | 929 | |
ac280b67 AV |
930 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx))); |
931 | ||
99b0bec7 | 932 | goto logio_done; |
ac280b67 AV |
933 | } |
934 | ||
5ff1d584 | 935 | status = le16_to_cpu(mbx->status); |
4916392b | 936 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
5ff1d584 AV |
937 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
938 | status = 0; | |
939 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
ac280b67 | 940 | DEBUG2(printk(KERN_DEBUG |
d3fa9e7d AV |
941 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
942 | "mbx1=%x.\n", | |
ac280b67 | 943 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
944 | fcport->d_id.b.domain, fcport->d_id.b.area, |
945 | fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1))); | |
ac280b67 AV |
946 | |
947 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 948 | if (ctx->type == SRB_LOGIN_CMD) { |
99b0bec7 AV |
949 | fcport->port_type = FCT_TARGET; |
950 | if (le16_to_cpu(mbx->mb1) & BIT_0) | |
951 | fcport->port_type = FCT_INITIATOR; | |
6ac52608 | 952 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
99b0bec7 | 953 | fcport->flags |= FCF_FCP2_DEVICE; |
5ff1d584 | 954 | } |
99b0bec7 | 955 | goto logio_done; |
ac280b67 AV |
956 | } |
957 | ||
958 | data[0] = le16_to_cpu(mbx->mb0); | |
959 | switch (data[0]) { | |
960 | case MBS_PORT_ID_USED: | |
961 | data[1] = le16_to_cpu(mbx->mb1); | |
962 | break; | |
963 | case MBS_LOOP_ID_USED: | |
964 | break; | |
965 | default: | |
966 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
967 | break; |
968 | } | |
969 | ||
970 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
971 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x status=%x " |
972 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", | |
973 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
974 | fcport->d_id.b.area, fcport->d_id.b.al_pa, status, | |
ac280b67 AV |
975 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
976 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
977 | le16_to_cpu(mbx->mb7))); | |
978 | ||
99b0bec7 | 979 | logio_done: |
4916392b | 980 | lio->done(sp); |
ac280b67 AV |
981 | } |
982 | ||
9a069e19 GM |
983 | static void |
984 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
985 | struct sts_entry_24xx *pkt, int iocb_type) | |
986 | { | |
987 | const char func[] = "ELS_CT_IOCB"; | |
988 | const char *type; | |
989 | struct qla_hw_data *ha = vha->hw; | |
990 | srb_t *sp; | |
4916392b | 991 | struct srb_ctx *sp_bsg; |
9a069e19 GM |
992 | struct fc_bsg_job *bsg_job; |
993 | uint16_t comp_status; | |
994 | uint32_t fw_status[3]; | |
995 | uint8_t* fw_sts_ptr; | |
996 | ||
997 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
998 | if (!sp) | |
999 | return; | |
4916392b MI |
1000 | sp_bsg = sp->ctx; |
1001 | bsg_job = sp_bsg->u.bsg_job; | |
9a069e19 GM |
1002 | |
1003 | type = NULL; | |
4916392b | 1004 | switch (sp_bsg->type) { |
9a069e19 GM |
1005 | case SRB_ELS_CMD_RPT: |
1006 | case SRB_ELS_CMD_HST: | |
1007 | type = "els"; | |
1008 | break; | |
1009 | case SRB_CT_CMD: | |
1010 | type = "ct pass-through"; | |
1011 | break; | |
1012 | default: | |
1013 | qla_printk(KERN_WARNING, ha, | |
1014 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
4916392b | 1015 | sp_bsg->type); |
9a069e19 GM |
1016 | return; |
1017 | } | |
1018 | ||
1019 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1020 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1021 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
1022 | ||
1023 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1024 | * fc payload to the caller | |
1025 | */ | |
1026 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1027 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); | |
1028 | ||
1029 | if (comp_status != CS_COMPLETE) { | |
1030 | if (comp_status == CS_DATA_UNDERRUN) { | |
1031 | bsg_job->reply->result = DID_OK << 16; | |
1032 | bsg_job->reply->reply_payload_rcv_len = | |
1033 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1034 | ||
1035 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1036 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1037 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", | |
1038 | vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2], | |
1039 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count))); | |
1040 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1041 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1042 | } | |
1043 | else { | |
1044 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1045 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1046 | "error subcode 1=0x%x error subcode 2=0x%x.\n", | |
1047 | vha->host_no, sp->handle, type, comp_status, | |
1048 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1), | |
1049 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2))); | |
1050 | bsg_job->reply->result = DID_ERROR << 16; | |
1051 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1052 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1053 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1054 | } | |
1055 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1056 | } | |
1057 | else { | |
1058 | bsg_job->reply->result = DID_OK << 16;; | |
1059 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; | |
1060 | bsg_job->reply_len = 0; | |
1061 | } | |
1062 | ||
1063 | dma_unmap_sg(&ha->pdev->dev, | |
1064 | bsg_job->request_payload.sg_list, | |
1065 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1066 | dma_unmap_sg(&ha->pdev->dev, | |
1067 | bsg_job->reply_payload.sg_list, | |
1068 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
4916392b MI |
1069 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
1070 | (sp_bsg->type == SRB_CT_CMD)) | |
9a069e19 GM |
1071 | kfree(sp->fcport); |
1072 | kfree(sp->ctx); | |
1073 | mempool_free(sp, ha->srb_mempool); | |
1074 | bsg_job->job_done(bsg_job); | |
1075 | } | |
1076 | ||
ac280b67 AV |
1077 | static void |
1078 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1079 | struct logio_entry_24xx *logio) | |
1080 | { | |
1081 | const char func[] = "LOGIO-IOCB"; | |
1082 | const char *type; | |
ac280b67 AV |
1083 | fc_port_t *fcport; |
1084 | srb_t *sp; | |
4916392b MI |
1085 | struct srb_iocb *lio; |
1086 | struct srb_ctx *ctx; | |
99b0bec7 | 1087 | uint16_t *data; |
ac280b67 AV |
1088 | uint32_t iop[2]; |
1089 | ||
1090 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1091 | if (!sp) | |
1092 | return; | |
1093 | ||
4916392b MI |
1094 | ctx = sp->ctx; |
1095 | lio = ctx->u.iocb_cmd; | |
1096 | type = ctx->name; | |
ac280b67 | 1097 | fcport = sp->fcport; |
4916392b | 1098 | data = lio->u.logio.data; |
ac280b67 | 1099 | |
5ff1d584 | 1100 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 1101 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 1102 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
1103 | if (logio->entry_status) { |
1104 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1105 | "scsi(%ld:%x): Async-%s error entry - " |
1106 | "portid=%02x%02x%02x entry-status=%x.\n", | |
ac280b67 | 1107 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1108 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1109 | fcport->d_id.b.al_pa, logio->entry_status)); | |
ac280b67 AV |
1110 | DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio))); |
1111 | ||
99b0bec7 | 1112 | goto logio_done; |
ac280b67 AV |
1113 | } |
1114 | ||
1115 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
1116 | DEBUG2(printk(KERN_DEBUG | |
d3fa9e7d AV |
1117 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
1118 | "iop0=%x.\n", | |
ac280b67 | 1119 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1120 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1121 | fcport->d_id.b.al_pa, | |
ac280b67 AV |
1122 | le32_to_cpu(logio->io_parameter[0]))); |
1123 | ||
1124 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 1125 | if (ctx->type != SRB_LOGIN_CMD) |
99b0bec7 | 1126 | goto logio_done; |
ac280b67 AV |
1127 | |
1128 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1129 | if (iop[0] & BIT_4) { | |
1130 | fcport->port_type = FCT_TARGET; | |
1131 | if (iop[0] & BIT_8) | |
8474f3a0 | 1132 | fcport->flags |= FCF_FCP2_DEVICE; |
ac280b67 AV |
1133 | } |
1134 | if (iop[0] & BIT_5) | |
1135 | fcport->port_type = FCT_INITIATOR; | |
1136 | if (logio->io_parameter[7] || logio->io_parameter[8]) | |
1137 | fcport->supported_classes |= FC_COS_CLASS2; | |
1138 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1139 | fcport->supported_classes |= FC_COS_CLASS3; | |
1140 | ||
99b0bec7 | 1141 | goto logio_done; |
ac280b67 AV |
1142 | } |
1143 | ||
1144 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1145 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1146 | switch (iop[0]) { | |
1147 | case LSC_SCODE_PORTID_USED: | |
1148 | data[0] = MBS_PORT_ID_USED; | |
1149 | data[1] = LSW(iop[1]); | |
1150 | break; | |
1151 | case LSC_SCODE_NPORT_USED: | |
1152 | data[0] = MBS_LOOP_ID_USED; | |
1153 | break; | |
1154 | case LSC_SCODE_CMD_FAILED: | |
1155 | if ((iop[1] & 0xff) == 0x05) { | |
1156 | data[0] = MBS_NOT_LOGGED_IN; | |
1157 | break; | |
1158 | } | |
1159 | /* Fall through. */ | |
1160 | default: | |
1161 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
1162 | break; |
1163 | } | |
1164 | ||
1165 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1166 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x comp=%x " |
1167 | "iop0=%x iop1=%x.\n", | |
1168 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
1169 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
ac280b67 AV |
1170 | le16_to_cpu(logio->comp_status), |
1171 | le32_to_cpu(logio->io_parameter[0]), | |
1172 | le32_to_cpu(logio->io_parameter[1]))); | |
1173 | ||
99b0bec7 | 1174 | logio_done: |
4916392b | 1175 | lio->done(sp); |
ac280b67 AV |
1176 | } |
1177 | ||
3822263e MI |
1178 | static void |
1179 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1180 | struct tsk_mgmt_entry *tsk) | |
1181 | { | |
1182 | const char func[] = "TMF-IOCB"; | |
1183 | const char *type; | |
1184 | fc_port_t *fcport; | |
1185 | srb_t *sp; | |
1186 | struct srb_iocb *iocb; | |
1187 | struct srb_ctx *ctx; | |
1188 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; | |
1189 | int error = 1; | |
1190 | ||
1191 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); | |
1192 | if (!sp) | |
1193 | return; | |
1194 | ||
1195 | ctx = sp->ctx; | |
1196 | iocb = ctx->u.iocb_cmd; | |
1197 | type = ctx->name; | |
1198 | fcport = sp->fcport; | |
1199 | ||
1200 | if (sts->entry_status) { | |
1201 | DEBUG2(printk(KERN_WARNING | |
1202 | "scsi(%ld:%x): Async-%s error - entry-status(%x).\n", | |
1203 | fcport->vha->host_no, sp->handle, type, | |
1204 | sts->entry_status)); | |
1205 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { | |
1206 | DEBUG2(printk(KERN_WARNING | |
1207 | "scsi(%ld:%x): Async-%s error - completion status(%x).\n", | |
1208 | fcport->vha->host_no, sp->handle, type, | |
1209 | sts->comp_status)); | |
1210 | } else if (!(le16_to_cpu(sts->scsi_status) & | |
1211 | SS_RESPONSE_INFO_LEN_VALID)) { | |
1212 | DEBUG2(printk(KERN_WARNING | |
1213 | "scsi(%ld:%x): Async-%s error - no response info(%x).\n", | |
1214 | fcport->vha->host_no, sp->handle, type, | |
1215 | sts->scsi_status)); | |
1216 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { | |
1217 | DEBUG2(printk(KERN_WARNING | |
1218 | "scsi(%ld:%x): Async-%s error - not enough response(%d).\n", | |
1219 | fcport->vha->host_no, sp->handle, type, | |
1220 | sts->rsp_data_len)); | |
1221 | } else if (sts->data[3]) { | |
1222 | DEBUG2(printk(KERN_WARNING | |
1223 | "scsi(%ld:%x): Async-%s error - response(%x).\n", | |
1224 | fcport->vha->host_no, sp->handle, type, | |
1225 | sts->data[3])); | |
1226 | } else { | |
1227 | error = 0; | |
1228 | } | |
1229 | ||
1230 | if (error) { | |
1231 | iocb->u.tmf.data = error; | |
1232 | DEBUG2(qla2x00_dump_buffer((uint8_t *)sts, sizeof(*sts))); | |
1233 | } | |
1234 | ||
1235 | iocb->done(sp); | |
1236 | } | |
1237 | ||
1238 | static void | |
1239 | qla24xx_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1240 | struct mrk_entry_24xx *mrk) | |
1241 | { | |
1242 | const char func[] = "MRK-IOCB"; | |
1243 | const char *type; | |
1244 | fc_port_t *fcport; | |
1245 | srb_t *sp; | |
1246 | struct srb_iocb *iocb; | |
1247 | struct srb_ctx *ctx; | |
1248 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)mrk; | |
1249 | ||
1250 | sp = qla2x00_get_sp_from_handle(vha, func, req, mrk); | |
1251 | if (!sp) | |
1252 | return; | |
1253 | ||
1254 | ctx = sp->ctx; | |
1255 | iocb = ctx->u.iocb_cmd; | |
1256 | type = ctx->name; | |
1257 | fcport = sp->fcport; | |
1258 | ||
1259 | if (sts->entry_status) { | |
1260 | iocb->u.marker.data = 1; | |
1261 | DEBUG2(printk(KERN_WARNING | |
1262 | "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n", | |
1263 | fcport->vha->host_no, sp->handle, type, | |
1264 | sts->entry_status)); | |
1265 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mrk, sizeof(*sts))); | |
1266 | } | |
1267 | ||
1268 | iocb->done(sp); | |
1269 | } | |
1270 | ||
1da177e4 LT |
1271 | /** |
1272 | * qla2x00_process_response_queue() - Process response queue entries. | |
1273 | * @ha: SCSI driver HA context | |
1274 | */ | |
1275 | void | |
73208dfd | 1276 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1277 | { |
73208dfd AC |
1278 | struct scsi_qla_host *vha; |
1279 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1280 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1281 | sts_entry_t *pkt; |
1282 | uint16_t handle_cnt; | |
1283 | uint16_t cnt; | |
73208dfd | 1284 | |
2afa19a9 | 1285 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1286 | |
e315cd28 | 1287 | if (!vha->flags.online) |
1da177e4 LT |
1288 | return; |
1289 | ||
e315cd28 AC |
1290 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1291 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1292 | |
e315cd28 AC |
1293 | rsp->ring_index++; |
1294 | if (rsp->ring_index == rsp->length) { | |
1295 | rsp->ring_index = 0; | |
1296 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1297 | } else { |
e315cd28 | 1298 | rsp->ring_ptr++; |
1da177e4 LT |
1299 | } |
1300 | ||
1301 | if (pkt->entry_status != 0) { | |
1302 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1303 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 1304 | |
73208dfd | 1305 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1306 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1307 | wmb(); | |
1308 | continue; | |
1309 | } | |
1310 | ||
1311 | switch (pkt->entry_type) { | |
1312 | case STATUS_TYPE: | |
73208dfd | 1313 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1314 | break; |
1315 | case STATUS_TYPE_21: | |
1316 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1317 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1318 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1319 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1320 | } | |
1321 | break; | |
1322 | case STATUS_TYPE_22: | |
1323 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1324 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1325 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1326 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1327 | } | |
1328 | break; | |
1329 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1330 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1331 | break; |
ac280b67 AV |
1332 | case MBX_IOCB_TYPE: |
1333 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1334 | (struct mbx_entry *)pkt); | |
3822263e | 1335 | break; |
1da177e4 LT |
1336 | default: |
1337 | /* Type Not Supported. */ | |
1338 | DEBUG4(printk(KERN_WARNING | |
1339 | "scsi(%ld): Received unknown response pkt type %x " | |
1340 | "entry status=%x.\n", | |
e315cd28 | 1341 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
1342 | break; |
1343 | } | |
1344 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1345 | wmb(); | |
1346 | } | |
1347 | ||
1348 | /* Adjust ring index */ | |
e315cd28 | 1349 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1350 | } |
1351 | ||
4733fcb1 | 1352 | static inline void |
2afa19a9 AC |
1353 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, |
1354 | struct rsp_que *rsp) | |
4733fcb1 AV |
1355 | { |
1356 | struct scsi_cmnd *cp = sp->cmd; | |
1357 | ||
1358 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1359 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1360 | ||
4733fcb1 AV |
1361 | sp->request_sense_length = sense_len; |
1362 | sp->request_sense_ptr = cp->sense_buffer; | |
1363 | if (sp->request_sense_length > 32) | |
1364 | sense_len = 32; | |
1365 | ||
1366 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1367 | ||
1368 | sp->request_sense_ptr += sense_len; | |
1369 | sp->request_sense_length -= sense_len; | |
1370 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1371 | rsp->status_srb = sp; |
4733fcb1 AV |
1372 | |
1373 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 1374 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
1375 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
1376 | cp->serial_number)); | |
4733fcb1 | 1377 | if (sense_len) |
ddb9b126 | 1378 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1379 | } |
1380 | ||
bad75002 AE |
1381 | struct scsi_dif_tuple { |
1382 | __be16 guard; /* Checksum */ | |
1383 | __be16 app_tag; /* APPL identifer */ | |
1384 | __be32 ref_tag; /* Target LBA or indirect LBA */ | |
1385 | }; | |
1386 | ||
1387 | /* | |
1388 | * Checks the guard or meta-data for the type of error | |
1389 | * detected by the HBA. In case of errors, we set the | |
1390 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST | |
1391 | * to indicate to the kernel that the HBA detected error. | |
1392 | */ | |
1393 | static inline void | |
1394 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) | |
1395 | { | |
1396 | struct scsi_cmnd *cmd = sp->cmd; | |
1397 | struct scsi_dif_tuple *ep = | |
1398 | (struct scsi_dif_tuple *)&sts24->data[20]; | |
1399 | struct scsi_dif_tuple *ap = | |
1400 | (struct scsi_dif_tuple *)&sts24->data[12]; | |
1401 | uint32_t e_ref_tag, a_ref_tag; | |
1402 | uint16_t e_app_tag, a_app_tag; | |
1403 | uint16_t e_guard, a_guard; | |
1404 | ||
1405 | e_ref_tag = be32_to_cpu(ep->ref_tag); | |
1406 | a_ref_tag = be32_to_cpu(ap->ref_tag); | |
1407 | e_app_tag = be16_to_cpu(ep->app_tag); | |
1408 | a_app_tag = be16_to_cpu(ap->app_tag); | |
1409 | e_guard = be16_to_cpu(ep->guard); | |
1410 | a_guard = be16_to_cpu(ap->guard); | |
1411 | ||
1412 | DEBUG18(printk(KERN_DEBUG | |
1413 | "%s(): iocb(s) %p Returned STATUS\n", __func__, sts24)); | |
1414 | ||
1415 | DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref" | |
1416 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" | |
1417 | " tag=0x%x, act guard=0x%x, exp guard=0x%x\n", | |
1418 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, | |
1419 | a_app_tag, e_app_tag, a_guard, e_guard)); | |
1420 | ||
1421 | ||
1422 | /* check guard */ | |
1423 | if (e_guard != a_guard) { | |
1424 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1425 | 0x10, 0x1); | |
1426 | set_driver_byte(cmd, DRIVER_SENSE); | |
1427 | set_host_byte(cmd, DID_ABORT); | |
1428 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1429 | return; | |
1430 | } | |
1431 | ||
1432 | /* check appl tag */ | |
1433 | if (e_app_tag != a_app_tag) { | |
1434 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1435 | 0x10, 0x2); | |
1436 | set_driver_byte(cmd, DRIVER_SENSE); | |
1437 | set_host_byte(cmd, DID_ABORT); | |
1438 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1439 | return; | |
1440 | } | |
1441 | ||
1442 | /* check ref tag */ | |
1443 | if (e_ref_tag != a_ref_tag) { | |
1444 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1445 | 0x10, 0x3); | |
1446 | set_driver_byte(cmd, DRIVER_SENSE); | |
1447 | set_host_byte(cmd, DID_ABORT); | |
1448 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1449 | return; | |
1450 | } | |
1451 | } | |
1452 | ||
1da177e4 LT |
1453 | /** |
1454 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1455 | * @ha: SCSI driver HA context | |
1456 | * @pkt: Entry pointer | |
1457 | */ | |
1458 | static void | |
73208dfd | 1459 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1460 | { |
1da177e4 | 1461 | srb_t *sp; |
1da177e4 LT |
1462 | fc_port_t *fcport; |
1463 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1464 | sts_entry_t *sts; |
1465 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1466 | uint16_t comp_status; |
1467 | uint16_t scsi_status; | |
b7d2280c | 1468 | uint16_t ox_id; |
1da177e4 LT |
1469 | uint8_t lscsi_status; |
1470 | int32_t resid; | |
ed17c71b | 1471 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 1472 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1473 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1474 | uint32_t handle; |
1475 | uint16_t que; | |
1476 | struct req_que *req; | |
b7d2280c | 1477 | int logit = 1; |
9a853f71 AV |
1478 | |
1479 | sts = (sts_entry_t *) pkt; | |
1480 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1481 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1482 | comp_status = le16_to_cpu(sts24->comp_status); |
1483 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1484 | } else { | |
1485 | comp_status = le16_to_cpu(sts->comp_status); | |
1486 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1487 | } | |
2afa19a9 AC |
1488 | handle = (uint32_t) LSW(sts->handle); |
1489 | que = MSW(sts->handle); | |
1490 | req = ha->req_q_map[que]; | |
a9083016 | 1491 | |
1da177e4 | 1492 | /* Fast path completion. */ |
9a853f71 | 1493 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1494 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1495 | |
1496 | return; | |
1497 | } | |
1498 | ||
1499 | /* Validate handle. */ | |
2afa19a9 AC |
1500 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1501 | sp = req->outstanding_cmds[handle]; | |
1502 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1503 | } else |
1504 | sp = NULL; | |
1505 | ||
1506 | if (sp == NULL) { | |
b7d2280c AV |
1507 | qla_printk(KERN_WARNING, ha, |
1508 | "scsi(%ld): Invalid status handle (0x%x).\n", vha->host_no, | |
1509 | sts->handle); | |
1da177e4 | 1510 | |
e315cd28 AC |
1511 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1512 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1513 | return; |
1514 | } | |
1515 | cp = sp->cmd; | |
1516 | if (cp == NULL) { | |
1da177e4 | 1517 | qla_printk(KERN_WARNING, ha, |
b7d2280c AV |
1518 | "scsi(%ld): Command already returned (0x%x/%p).\n", |
1519 | vha->host_no, sts->handle, sp); | |
1da177e4 LT |
1520 | |
1521 | return; | |
1522 | } | |
1523 | ||
9a853f71 | 1524 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1525 | |
bdf79621 | 1526 | fcport = sp->fcport; |
1da177e4 | 1527 | |
b7d2280c | 1528 | ox_id = 0; |
ed17c71b | 1529 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1530 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1531 | if (scsi_status & SS_SENSE_LEN_VALID) |
1532 | sense_len = le32_to_cpu(sts24->sense_len); | |
1533 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1534 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1535 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1536 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1537 | if (comp_status == CS_DATA_UNDERRUN) | |
1538 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1539 | rsp_info = sts24->data; |
1540 | sense_data = sts24->data; | |
1541 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
b7d2280c | 1542 | ox_id = le16_to_cpu(sts24->ox_id); |
9a853f71 | 1543 | } else { |
0f00a206 LC |
1544 | if (scsi_status & SS_SENSE_LEN_VALID) |
1545 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1546 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1547 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1548 | resid_len = le32_to_cpu(sts->residual_length); |
1549 | rsp_info = sts->rsp_info; | |
1550 | sense_data = sts->req_sense_data; | |
1551 | } | |
1552 | ||
1da177e4 LT |
1553 | /* Check for any FCP transport errors. */ |
1554 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1555 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1556 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1557 | sense_data += rsp_info_len; |
1558 | if (rsp_info_len > 3 && rsp_info[3]) { | |
b7d2280c AV |
1559 | DEBUG2(qla_printk(KERN_INFO, ha, |
1560 | "scsi(%ld:%d:%d): FCP I/O protocol failure " | |
1561 | "(0x%x/0x%x).\n", vha->host_no, cp->device->id, | |
1562 | cp->device->lun, rsp_info_len, rsp_info[3])); | |
1da177e4 LT |
1563 | |
1564 | cp->result = DID_BUS_BUSY << 16; | |
b7d2280c | 1565 | goto out; |
1da177e4 LT |
1566 | } |
1567 | } | |
1568 | ||
3e8ce320 AV |
1569 | /* Check for overrun. */ |
1570 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1571 | scsi_status & SS_RESIDUAL_OVER) | |
1572 | comp_status = CS_DATA_OVERRUN; | |
1573 | ||
1da177e4 LT |
1574 | /* |
1575 | * Based on Host and scsi status generate status code for Linux | |
1576 | */ | |
1577 | switch (comp_status) { | |
1578 | case CS_COMPLETE: | |
df7baa50 | 1579 | case CS_QUEUE_FULL: |
1da177e4 LT |
1580 | if (scsi_status == 0) { |
1581 | cp->result = DID_OK << 16; | |
1582 | break; | |
1583 | } | |
1584 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1585 | resid = resid_len; |
385d70b4 | 1586 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1587 | |
1588 | if (!lscsi_status && | |
385d70b4 | 1589 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1590 | cp->underflow)) { |
1591 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1592 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1593 | "detected (0x%x of 0x%x bytes).\n", | |
1594 | vha->host_no, cp->device->id, | |
1595 | cp->device->lun, resid, scsi_bufflen(cp)); | |
0da69df1 AV |
1596 | |
1597 | cp->result = DID_ERROR << 16; | |
1598 | break; | |
1599 | } | |
1da177e4 | 1600 | } |
1da177e4 LT |
1601 | cp->result = DID_OK << 16 | lscsi_status; |
1602 | ||
df7baa50 | 1603 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1604 | DEBUG2(qla_printk(KERN_INFO, ha, |
1605 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1606 | vha->host_no, cp->device->id, cp->device->lun)); | |
df7baa50 AV |
1607 | break; |
1608 | } | |
b7d2280c | 1609 | logit = 0; |
1da177e4 LT |
1610 | if (lscsi_status != SS_CHECK_CONDITION) |
1611 | break; | |
1612 | ||
b80ca4f7 | 1613 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1614 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1615 | break; | |
1616 | ||
2afa19a9 | 1617 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1618 | break; |
1619 | ||
1620 | case CS_DATA_UNDERRUN: | |
ed17c71b | 1621 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1622 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1623 | scsi_set_resid(cp, resid); | |
1624 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1625 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
b7d2280c AV |
1626 | DEBUG2(qla_printk(KERN_INFO, ha, |
1627 | "scsi(%ld:%d:%d) Dropped frame(s) detected " | |
1628 | "(0x%x of 0x%x bytes).\n", vha->host_no, | |
0f00a206 LC |
1629 | cp->device->id, cp->device->lun, resid, |
1630 | scsi_bufflen(cp))); | |
1631 | ||
1632 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1633 | break; | |
6acf8190 | 1634 | } |
ed17c71b | 1635 | |
0f00a206 LC |
1636 | if (!lscsi_status && |
1637 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1638 | cp->underflow)) { | |
1639 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1640 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1641 | "detected (0x%x of 0x%x bytes).\n", | |
1642 | vha->host_no, cp->device->id, | |
0f00a206 | 1643 | cp->device->lun, resid, scsi_bufflen(cp)); |
e038a1be | 1644 | |
0f00a206 LC |
1645 | cp->result = DID_ERROR << 16; |
1646 | break; | |
1647 | } | |
1648 | } else if (!lscsi_status) { | |
b7d2280c AV |
1649 | DEBUG2(qla_printk(KERN_INFO, ha, |
1650 | "scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x " | |
1651 | "of 0x%x bytes).\n", vha->host_no, cp->device->id, | |
0f00a206 LC |
1652 | cp->device->lun, resid, scsi_bufflen(cp))); |
1653 | ||
1654 | cp->result = DID_ERROR << 16; | |
1655 | break; | |
1da177e4 LT |
1656 | } |
1657 | ||
0f00a206 | 1658 | cp->result = DID_OK << 16 | lscsi_status; |
b7d2280c | 1659 | logit = 0; |
0f00a206 | 1660 | |
1da177e4 | 1661 | /* |
fa2a1ce5 | 1662 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1663 | * Status. |
1664 | */ | |
1665 | if (lscsi_status != 0) { | |
ffec28a3 | 1666 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1667 | DEBUG2(qla_printk(KERN_INFO, ha, |
1668 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1669 | vha->host_no, cp->device->id, | |
1670 | cp->device->lun)); | |
1671 | logit = 1; | |
ffec28a3 AV |
1672 | break; |
1673 | } | |
1da177e4 LT |
1674 | if (lscsi_status != SS_CHECK_CONDITION) |
1675 | break; | |
1676 | ||
b80ca4f7 | 1677 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1678 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1679 | break; | |
1680 | ||
2afa19a9 | 1681 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1682 | } |
1683 | break; | |
1684 | ||
1da177e4 LT |
1685 | case CS_PORT_LOGGED_OUT: |
1686 | case CS_PORT_CONFIG_CHG: | |
1687 | case CS_PORT_BUSY: | |
1688 | case CS_INCOMPLETE: | |
1689 | case CS_PORT_UNAVAILABLE: | |
b7d2280c | 1690 | case CS_TIMEOUT: |
056a4483 MC |
1691 | /* |
1692 | * We are going to have the fc class block the rport | |
1693 | * while we try to recover so instruct the mid layer | |
1694 | * to requeue until the class decides how to handle this. | |
1695 | */ | |
1696 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
b7d2280c AV |
1697 | |
1698 | if (comp_status == CS_TIMEOUT) { | |
1699 | if (IS_FWI2_CAPABLE(ha)) | |
1700 | break; | |
1701 | else if ((le16_to_cpu(sts->status_flags) & | |
1702 | SF_LOGOUT_SENT) == 0) | |
1703 | break; | |
1704 | } | |
1705 | ||
1706 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1707 | "scsi(%ld:%d:%d) Port down status: port-state=0x%x\n", | |
1708 | vha->host_no, cp->device->id, cp->device->lun, | |
1709 | atomic_read(&fcport->state))); | |
1710 | ||
a7a28504 | 1711 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1712 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1713 | break; |
1714 | ||
1715 | case CS_RESET: | |
1da177e4 | 1716 | case CS_ABORTED: |
1da177e4 LT |
1717 | cp->result = DID_RESET << 16; |
1718 | break; | |
bad75002 AE |
1719 | |
1720 | case CS_DIF_ERROR: | |
1721 | qla2x00_handle_dif_error(sp, sts24); | |
1722 | break; | |
1da177e4 | 1723 | default: |
1da177e4 LT |
1724 | cp->result = DID_ERROR << 16; |
1725 | break; | |
1726 | } | |
1727 | ||
b7d2280c AV |
1728 | out: |
1729 | if (logit) | |
1730 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1731 | "scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) " | |
1732 | "oxid=0x%x ser=0x%lx cdb=%02x%02x%02x len=0x%x " | |
1733 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha->host_no, | |
1734 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
1735 | cp->result, ox_id, cp->serial_number, cp->cmnd[0], | |
1736 | cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len, | |
1737 | resid_len, fw_resid_len)); | |
1738 | ||
2afa19a9 | 1739 | if (rsp->status_srb == NULL) |
73208dfd | 1740 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1741 | } |
1742 | ||
1743 | /** | |
1744 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1745 | * @ha: SCSI driver HA context | |
1746 | * @pkt: Entry pointer | |
1747 | * | |
1748 | * Extended sense data. | |
1749 | */ | |
1750 | static void | |
2afa19a9 | 1751 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1752 | { |
1753 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1754 | struct qla_hw_data *ha = rsp->hw; |
1755 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1756 | struct scsi_cmnd *cp; |
1757 | ||
1758 | if (sp != NULL && sp->request_sense_length != 0) { | |
1759 | cp = sp->cmd; | |
1760 | if (cp == NULL) { | |
1761 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1762 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1763 | qla_printk(KERN_INFO, ha, |
1764 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1765 | sp); |
1da177e4 | 1766 | |
2afa19a9 | 1767 | rsp->status_srb = NULL; |
1da177e4 LT |
1768 | return; |
1769 | } | |
1770 | ||
1771 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1772 | sense_sz = sizeof(pkt->data); | |
1773 | } else { | |
1774 | sense_sz = sp->request_sense_length; | |
1775 | } | |
1776 | ||
1777 | /* Move sense data. */ | |
e428924c | 1778 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1779 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1780 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1781 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1782 | ||
1783 | sp->request_sense_ptr += sense_sz; | |
1784 | sp->request_sense_length -= sense_sz; | |
1785 | ||
1786 | /* Place command on done queue. */ | |
1787 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1788 | rsp->status_srb = NULL; |
73208dfd | 1789 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1790 | } |
1791 | } | |
1792 | } | |
1793 | ||
1794 | /** | |
1795 | * qla2x00_error_entry() - Process an error entry. | |
1796 | * @ha: SCSI driver HA context | |
1797 | * @pkt: Entry pointer | |
1798 | */ | |
1799 | static void | |
73208dfd | 1800 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1801 | { |
1802 | srb_t *sp; | |
e315cd28 | 1803 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1804 | uint32_t handle = LSW(pkt->handle); |
1805 | uint16_t que = MSW(pkt->handle); | |
1806 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1807 | #if defined(QL_DEBUG_LEVEL_2) |
1808 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1809 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1810 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1811 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1812 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1813 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1814 | "%s: Invalid Entry Parameter\n", __func__); |
1815 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1816 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1817 | else if (pkt->entry_status & RF_BUSY) | |
1818 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1819 | else | |
1820 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1821 | #endif | |
1822 | ||
1823 | /* Validate handle. */ | |
2afa19a9 AC |
1824 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1825 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1826 | else |
1827 | sp = NULL; | |
1828 | ||
1829 | if (sp) { | |
1830 | /* Free outstanding command slot. */ | |
2afa19a9 | 1831 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1832 | |
1da177e4 LT |
1833 | /* Bad payload or header */ |
1834 | if (pkt->entry_status & | |
1835 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1836 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1837 | sp->cmd->result = DID_ERROR << 16; | |
1838 | } else if (pkt->entry_status & RF_BUSY) { | |
1839 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1840 | } else { | |
1841 | sp->cmd->result = DID_ERROR << 16; | |
1842 | } | |
73208dfd | 1843 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1844 | |
9a853f71 AV |
1845 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1846 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1847 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1848 | vha->host_no)); |
1da177e4 LT |
1849 | qla_printk(KERN_WARNING, ha, |
1850 | "Error entry - invalid handle\n"); | |
1851 | ||
e315cd28 AC |
1852 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1853 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1854 | } |
1855 | } | |
1856 | ||
9a853f71 AV |
1857 | /** |
1858 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1859 | * @ha: SCSI driver HA context | |
1860 | * @mb0: Mailbox0 register | |
1861 | */ | |
1862 | static void | |
e315cd28 | 1863 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1864 | { |
1865 | uint16_t cnt; | |
1866 | uint16_t __iomem *wptr; | |
e315cd28 | 1867 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1868 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1869 | ||
1870 | /* Load return mailbox registers. */ | |
1871 | ha->flags.mbox_int = 1; | |
1872 | ha->mailbox_out[0] = mb0; | |
1873 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1874 | ||
1875 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1876 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1877 | wptr++; | |
1878 | } | |
1879 | ||
1880 | if (ha->mcp) { | |
1881 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1882 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1883 | } else { |
1884 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1885 | __func__, vha->host_no)); |
9a853f71 AV |
1886 | } |
1887 | } | |
1888 | ||
1889 | /** | |
1890 | * qla24xx_process_response_queue() - Process response queue entries. | |
1891 | * @ha: SCSI driver HA context | |
1892 | */ | |
2afa19a9 AC |
1893 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1894 | struct rsp_que *rsp) | |
9a853f71 | 1895 | { |
9a853f71 | 1896 | struct sts_entry_24xx *pkt; |
a9083016 | 1897 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 1898 | |
e315cd28 | 1899 | if (!vha->flags.online) |
9a853f71 AV |
1900 | return; |
1901 | ||
e315cd28 AC |
1902 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1903 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1904 | |
e315cd28 AC |
1905 | rsp->ring_index++; |
1906 | if (rsp->ring_index == rsp->length) { | |
1907 | rsp->ring_index = 0; | |
1908 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1909 | } else { |
e315cd28 | 1910 | rsp->ring_ptr++; |
9a853f71 AV |
1911 | } |
1912 | ||
1913 | if (pkt->entry_status != 0) { | |
1914 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1915 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1916 | |
73208dfd | 1917 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1918 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1919 | wmb(); | |
1920 | continue; | |
1921 | } | |
1922 | ||
1923 | switch (pkt->entry_type) { | |
1924 | case STATUS_TYPE: | |
73208dfd | 1925 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1926 | break; |
1927 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1928 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1929 | break; |
2c3dfe3f | 1930 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1931 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1932 | (struct vp_rpt_id_entry_24xx *)pkt); |
1933 | break; | |
ac280b67 AV |
1934 | case LOGINOUT_PORT_IOCB_TYPE: |
1935 | qla24xx_logio_entry(vha, rsp->req, | |
1936 | (struct logio_entry_24xx *)pkt); | |
1937 | break; | |
3822263e MI |
1938 | case TSK_MGMT_IOCB_TYPE: |
1939 | qla24xx_tm_iocb_entry(vha, rsp->req, | |
1940 | (struct tsk_mgmt_entry *)pkt); | |
1941 | break; | |
1942 | case MARKER_TYPE: | |
1943 | qla24xx_marker_iocb_entry(vha, rsp->req, | |
1944 | (struct mrk_entry_24xx *)pkt); | |
1945 | break; | |
9a069e19 GM |
1946 | case CT_IOCB_TYPE: |
1947 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1948 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
1949 | break; | |
1950 | case ELS_IOCB_TYPE: | |
1951 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
1952 | break; | |
9a853f71 AV |
1953 | default: |
1954 | /* Type Not Supported. */ | |
1955 | DEBUG4(printk(KERN_WARNING | |
1956 | "scsi(%ld): Received unknown response pkt type %x " | |
1957 | "entry status=%x.\n", | |
e315cd28 | 1958 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1959 | break; |
1960 | } | |
1961 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1962 | wmb(); | |
1963 | } | |
1964 | ||
1965 | /* Adjust ring index */ | |
a9083016 GM |
1966 | if (IS_QLA82XX(ha)) { |
1967 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
1968 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
1969 | } else | |
1970 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
1971 | } |
1972 | ||
05236a05 | 1973 | static void |
e315cd28 | 1974 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1975 | { |
1976 | int rval; | |
1977 | uint32_t cnt; | |
e315cd28 | 1978 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1979 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1980 | ||
3a03eb79 | 1981 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1982 | return; |
1983 | ||
1984 | rval = QLA_SUCCESS; | |
1985 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1986 | RD_REG_DWORD(®->iobase_addr); | |
1987 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1988 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1989 | rval == QLA_SUCCESS; cnt--) { | |
1990 | if (cnt) { | |
1991 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1992 | udelay(10); | |
1993 | } else | |
1994 | rval = QLA_FUNCTION_TIMEOUT; | |
1995 | } | |
1996 | if (rval == QLA_SUCCESS) | |
1997 | goto next_test; | |
1998 | ||
1999 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2000 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2001 | rval == QLA_SUCCESS; cnt--) { | |
2002 | if (cnt) { | |
2003 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2004 | udelay(10); | |
2005 | } else | |
2006 | rval = QLA_FUNCTION_TIMEOUT; | |
2007 | } | |
2008 | if (rval != QLA_SUCCESS) | |
2009 | goto done; | |
2010 | ||
2011 | next_test: | |
2012 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
2013 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
2014 | ||
2015 | done: | |
2016 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
2017 | RD_REG_DWORD(®->iobase_window); | |
2018 | } | |
2019 | ||
9a853f71 AV |
2020 | /** |
2021 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2022 | * @irq: | |
2023 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
2024 | * |
2025 | * Called by system whenever the host adapter generates an interrupt. | |
2026 | * | |
2027 | * Returns handled flag. | |
2028 | */ | |
2029 | irqreturn_t | |
7d12e780 | 2030 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 2031 | { |
e315cd28 AC |
2032 | scsi_qla_host_t *vha; |
2033 | struct qla_hw_data *ha; | |
9a853f71 AV |
2034 | struct device_reg_24xx __iomem *reg; |
2035 | int status; | |
9a853f71 AV |
2036 | unsigned long iter; |
2037 | uint32_t stat; | |
2038 | uint32_t hccr; | |
2039 | uint16_t mb[4]; | |
e315cd28 | 2040 | struct rsp_que *rsp; |
43fac4d9 | 2041 | unsigned long flags; |
9a853f71 | 2042 | |
e315cd28 AC |
2043 | rsp = (struct rsp_que *) dev_id; |
2044 | if (!rsp) { | |
9a853f71 | 2045 | printk(KERN_INFO |
e315cd28 | 2046 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
2047 | return IRQ_NONE; |
2048 | } | |
2049 | ||
e315cd28 | 2050 | ha = rsp->hw; |
9a853f71 AV |
2051 | reg = &ha->iobase->isp24; |
2052 | status = 0; | |
2053 | ||
85880801 AV |
2054 | if (unlikely(pci_channel_offline(ha->pdev))) |
2055 | return IRQ_HANDLED; | |
2056 | ||
43fac4d9 | 2057 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2058 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
2059 | for (iter = 50; iter--; ) { |
2060 | stat = RD_REG_DWORD(®->host_status); | |
2061 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2062 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2063 | break; |
2064 | ||
9a853f71 AV |
2065 | hccr = RD_REG_DWORD(®->hccr); |
2066 | ||
2067 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2068 | "Dumping firmware!\n", hccr); | |
05236a05 | 2069 | |
e315cd28 | 2070 | qla2xxx_check_risc_status(vha); |
05236a05 | 2071 | |
e315cd28 AC |
2072 | ha->isp_ops->fw_dump(vha, 1); |
2073 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
2074 | break; |
2075 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2076 | break; | |
2077 | ||
2078 | switch (stat & 0xff) { | |
2079 | case 0x1: | |
2080 | case 0x2: | |
2081 | case 0x10: | |
2082 | case 0x11: | |
e315cd28 | 2083 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
2084 | status |= MBX_INTERRUPT; |
2085 | ||
2086 | break; | |
2087 | case 0x12: | |
2088 | mb[0] = MSW(stat); | |
2089 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2090 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2091 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2092 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
2093 | break; |
2094 | case 0x13: | |
73208dfd | 2095 | case 0x14: |
2afa19a9 | 2096 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2097 | break; |
2098 | default: | |
2099 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2100 | "(%d).\n", | |
e315cd28 | 2101 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
2102 | break; |
2103 | } | |
2104 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2105 | RD_REG_DWORD_RELAXED(®->hccr); | |
2106 | } | |
43fac4d9 | 2107 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2108 | |
2109 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2110 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2111 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2112 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2113 | } |
2114 | ||
2115 | return IRQ_HANDLED; | |
2116 | } | |
2117 | ||
a8488abe AV |
2118 | static irqreturn_t |
2119 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2120 | { | |
e315cd28 AC |
2121 | struct qla_hw_data *ha; |
2122 | struct rsp_que *rsp; | |
a8488abe | 2123 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2124 | struct scsi_qla_host *vha; |
0f19bc68 | 2125 | unsigned long flags; |
a8488abe | 2126 | |
e315cd28 AC |
2127 | rsp = (struct rsp_que *) dev_id; |
2128 | if (!rsp) { | |
2129 | printk(KERN_INFO | |
2130 | "%s(): NULL response queue pointer\n", __func__); | |
2131 | return IRQ_NONE; | |
2132 | } | |
2133 | ha = rsp->hw; | |
a8488abe AV |
2134 | reg = &ha->iobase->isp24; |
2135 | ||
0f19bc68 | 2136 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2137 | |
a67093d4 | 2138 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2139 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2140 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2141 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2142 | RD_REG_DWORD_RELAXED(®->hccr); | |
2143 | } | |
0f19bc68 | 2144 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2145 | |
2146 | return IRQ_HANDLED; | |
2147 | } | |
2148 | ||
68ca949c AC |
2149 | static irqreturn_t |
2150 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2151 | { | |
2152 | struct qla_hw_data *ha; | |
2153 | struct rsp_que *rsp; | |
3155754a | 2154 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2155 | unsigned long flags; |
68ca949c AC |
2156 | |
2157 | rsp = (struct rsp_que *) dev_id; | |
2158 | if (!rsp) { | |
2159 | printk(KERN_INFO | |
2160 | "%s(): NULL response queue pointer\n", __func__); | |
2161 | return IRQ_NONE; | |
2162 | } | |
2163 | ha = rsp->hw; | |
2164 | ||
3155754a AC |
2165 | /* Clear the interrupt, if enabled, for this response queue */ |
2166 | if (rsp->options & ~BIT_6) { | |
2167 | reg = &ha->iobase->isp24; | |
0f19bc68 | 2168 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2169 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2170 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2171 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2172 | } |
68ca949c AC |
2173 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2174 | ||
2175 | return IRQ_HANDLED; | |
2176 | } | |
2177 | ||
a8488abe AV |
2178 | static irqreturn_t |
2179 | qla24xx_msix_default(int irq, void *dev_id) | |
2180 | { | |
e315cd28 AC |
2181 | scsi_qla_host_t *vha; |
2182 | struct qla_hw_data *ha; | |
2183 | struct rsp_que *rsp; | |
a8488abe AV |
2184 | struct device_reg_24xx __iomem *reg; |
2185 | int status; | |
a8488abe AV |
2186 | uint32_t stat; |
2187 | uint32_t hccr; | |
2188 | uint16_t mb[4]; | |
0f19bc68 | 2189 | unsigned long flags; |
a8488abe | 2190 | |
e315cd28 AC |
2191 | rsp = (struct rsp_que *) dev_id; |
2192 | if (!rsp) { | |
2193 | DEBUG(printk( | |
2194 | "%s(): NULL response queue pointer\n", __func__)); | |
2195 | return IRQ_NONE; | |
2196 | } | |
2197 | ha = rsp->hw; | |
a8488abe AV |
2198 | reg = &ha->iobase->isp24; |
2199 | status = 0; | |
2200 | ||
0f19bc68 | 2201 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2202 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2203 | do { |
a8488abe AV |
2204 | stat = RD_REG_DWORD(®->host_status); |
2205 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2206 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2207 | break; |
2208 | ||
a8488abe AV |
2209 | hccr = RD_REG_DWORD(®->hccr); |
2210 | ||
2211 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2212 | "Dumping firmware!\n", hccr); | |
05236a05 | 2213 | |
e315cd28 | 2214 | qla2xxx_check_risc_status(vha); |
05236a05 | 2215 | |
e315cd28 AC |
2216 | ha->isp_ops->fw_dump(vha, 1); |
2217 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2218 | break; |
2219 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2220 | break; | |
2221 | ||
2222 | switch (stat & 0xff) { | |
2223 | case 0x1: | |
2224 | case 0x2: | |
2225 | case 0x10: | |
2226 | case 0x11: | |
e315cd28 | 2227 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2228 | status |= MBX_INTERRUPT; |
2229 | ||
2230 | break; | |
2231 | case 0x12: | |
2232 | mb[0] = MSW(stat); | |
2233 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2234 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2235 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2236 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2237 | break; |
2238 | case 0x13: | |
73208dfd | 2239 | case 0x14: |
2afa19a9 | 2240 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2241 | break; |
2242 | default: | |
2243 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2244 | "(%d).\n", | |
e315cd28 | 2245 | vha->host_no, stat & 0xff)); |
a8488abe AV |
2246 | break; |
2247 | } | |
2248 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2249 | } while (0); |
0f19bc68 | 2250 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2251 | |
2252 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2253 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2254 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2255 | complete(&ha->mbx_intr_comp); |
a8488abe | 2256 | } |
a8488abe AV |
2257 | return IRQ_HANDLED; |
2258 | } | |
2259 | ||
2260 | /* Interrupt handling helpers. */ | |
2261 | ||
2262 | struct qla_init_msix_entry { | |
a8488abe | 2263 | const char *name; |
476834c2 | 2264 | irq_handler_t handler; |
a8488abe AV |
2265 | }; |
2266 | ||
68ca949c | 2267 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2268 | { "qla2xxx (default)", qla24xx_msix_default }, |
2269 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2270 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2271 | }; |
2272 | ||
a9083016 GM |
2273 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2274 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2275 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2276 | }; | |
2277 | ||
a8488abe | 2278 | static void |
e315cd28 | 2279 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2280 | { |
2281 | int i; | |
2282 | struct qla_msix_entry *qentry; | |
2283 | ||
73208dfd AC |
2284 | for (i = 0; i < ha->msix_count; i++) { |
2285 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2286 | if (qentry->have_irq) |
73208dfd | 2287 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2288 | } |
2289 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2290 | kfree(ha->msix_entries); |
2291 | ha->msix_entries = NULL; | |
2292 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
2293 | } |
2294 | ||
2295 | static int | |
73208dfd | 2296 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2297 | { |
ad038fa8 | 2298 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2299 | int i, ret; |
73208dfd | 2300 | struct msix_entry *entries; |
a8488abe | 2301 | struct qla_msix_entry *qentry; |
73208dfd AC |
2302 | |
2303 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2304 | GFP_KERNEL); |
73208dfd AC |
2305 | if (!entries) |
2306 | return -ENOMEM; | |
a8488abe | 2307 | |
73208dfd AC |
2308 | for (i = 0; i < ha->msix_count; i++) |
2309 | entries[i].entry = i; | |
a8488abe | 2310 | |
73208dfd | 2311 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2312 | if (ret) { |
ad038fa8 LC |
2313 | if (ret < MIN_MSIX_COUNT) |
2314 | goto msix_failed; | |
2315 | ||
a8488abe | 2316 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
2317 | "MSI-X: Failed to enable support -- %d/%d\n" |
2318 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
2319 | ha->msix_count = ret; | |
2320 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2321 | if (ret) { | |
ad038fa8 | 2322 | msix_failed: |
73208dfd AC |
2323 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
2324 | " support, giving up -- %d/%d\n", | |
2325 | ha->msix_count, ret); | |
2326 | goto msix_out; | |
2327 | } | |
2afa19a9 | 2328 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2329 | } |
2330 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2331 | ha->msix_count, GFP_KERNEL); | |
2332 | if (!ha->msix_entries) { | |
2333 | ret = -ENOMEM; | |
a8488abe AV |
2334 | goto msix_out; |
2335 | } | |
2336 | ha->flags.msix_enabled = 1; | |
2337 | ||
73208dfd AC |
2338 | for (i = 0; i < ha->msix_count; i++) { |
2339 | qentry = &ha->msix_entries[i]; | |
2340 | qentry->vector = entries[i].vector; | |
2341 | qentry->entry = entries[i].entry; | |
a8488abe | 2342 | qentry->have_irq = 0; |
73208dfd | 2343 | qentry->rsp = NULL; |
a8488abe AV |
2344 | } |
2345 | ||
2afa19a9 AC |
2346 | /* Enable MSI-X vectors for the base queue */ |
2347 | for (i = 0; i < 2; i++) { | |
2348 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2349 | if (IS_QLA82XX(ha)) { |
2350 | ret = request_irq(qentry->vector, | |
2351 | qla82xx_msix_entries[i].handler, | |
2352 | 0, qla82xx_msix_entries[i].name, rsp); | |
2353 | } else { | |
2354 | ret = request_irq(qentry->vector, | |
2355 | msix_entries[i].handler, | |
2356 | 0, msix_entries[i].name, rsp); | |
2357 | } | |
2afa19a9 AC |
2358 | if (ret) { |
2359 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
2360 | "MSI-X: Unable to register handler -- %x/%d.\n", |
2361 | qentry->vector, ret); | |
2afa19a9 AC |
2362 | qla24xx_disable_msix(ha); |
2363 | ha->mqenable = 0; | |
2364 | goto msix_out; | |
2365 | } | |
2366 | qentry->have_irq = 1; | |
2367 | qentry->rsp = rsp; | |
2368 | rsp->msix = qentry; | |
73208dfd | 2369 | } |
73208dfd AC |
2370 | |
2371 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2372 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2373 | ha->mqenable = 1; |
73208dfd | 2374 | |
a8488abe | 2375 | msix_out: |
73208dfd | 2376 | kfree(entries); |
a8488abe AV |
2377 | return ret; |
2378 | } | |
2379 | ||
2380 | int | |
73208dfd | 2381 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2382 | { |
2383 | int ret; | |
963b0fdd | 2384 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
2385 | |
2386 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2387 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2388 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2389 | goto skip_msi; |
2390 | ||
2391 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2392 | (ha->pdev->subsystem_device == 0x7040 || | |
2393 | ha->pdev->subsystem_device == 0x7041 || | |
2394 | ha->pdev->subsystem_device == 0x1705)) { | |
2395 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2396 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n", | |
2397 | ha->pdev->subsystem_vendor, | |
2398 | ha->pdev->subsystem_device)); | |
2399 | goto skip_msi; | |
2400 | } | |
a8488abe | 2401 | |
e315cd28 AC |
2402 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2403 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2404 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2405 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2406 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2407 | goto skip_msix; |
2408 | } | |
2409 | ||
73208dfd | 2410 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2411 | if (!ret) { |
2412 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2413 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2414 | ha->fw_attributes)); | |
963b0fdd | 2415 | goto clear_risc_ints; |
a8488abe AV |
2416 | } |
2417 | qla_printk(KERN_WARNING, ha, | |
a9083016 | 2418 | "MSI-X: Falling back-to MSI mode -- %d.\n", ret); |
a8488abe | 2419 | skip_msix: |
cbedb601 | 2420 | |
3a03eb79 AV |
2421 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2422 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2423 | goto skip_msi; |
2424 | ||
2425 | ret = pci_enable_msi(ha->pdev); | |
2426 | if (!ret) { | |
2427 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2428 | ha->flags.msi_enabled = 1; | |
a9083016 GM |
2429 | } else |
2430 | qla_printk(KERN_WARNING, ha, | |
2431 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2432 | skip_msi: |
2433 | ||
fd34f556 | 2434 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2435 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2436 | if (ret) { |
a8488abe AV |
2437 | qla_printk(KERN_WARNING, ha, |
2438 | "Failed to reserve interrupt %d already in use.\n", | |
2439 | ha->pdev->irq); | |
963b0fdd AV |
2440 | goto fail; |
2441 | } | |
2442 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2443 | clear_risc_ints: |
2444 | ||
3a03eb79 AV |
2445 | /* |
2446 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2447 | * Timing deltas during MSI-X/INTa transitions? | |
2448 | */ | |
a9083016 | 2449 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2450 | goto fail; |
c6952483 | 2451 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2452 | if (IS_FWI2_CAPABLE(ha)) { |
2453 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2454 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2455 | } else { | |
2456 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2457 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2458 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2459 | } |
c6952483 | 2460 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2461 | |
963b0fdd | 2462 | fail: |
a8488abe AV |
2463 | return ret; |
2464 | } | |
2465 | ||
2466 | void | |
e315cd28 | 2467 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2468 | { |
e315cd28 | 2469 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2470 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2471 | |
2472 | if (ha->flags.msix_enabled) | |
2473 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2474 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2475 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2476 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2477 | } else |
2478 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2479 | } |
e315cd28 | 2480 | |
73208dfd AC |
2481 | |
2482 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2483 | { | |
2484 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2485 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2486 | struct qla_msix_entry *msix = rsp->msix; |
2487 | int ret; | |
2488 | ||
2489 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2490 | if (ret) { | |
2491 | qla_printk(KERN_WARNING, ha, | |
2492 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2493 | msix->vector, ret); | |
2494 | return ret; | |
2495 | } | |
2496 | msix->have_irq = 1; | |
2497 | msix->rsp = rsp; | |
2498 | return ret; | |
2499 | } |