]>
Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
07e264b7 | 3 | * Copyright (c) 2003-2011 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 |
7c3df132 | 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 | |
a06a0f8e | 66 | * bit to be cleared. Schedule a big hammer to get |
14e660e6 SJ |
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*/ | |
7c3df132 SK |
94 | ql_dbg(ql_dbg_async, vha, 0x5025, |
95 | "Unrecognized interrupt type (%d).\n", | |
96 | 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 |
7c3df132 | 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)) | |
7c3df132 SK |
163 | ql_log(ql_log_warn, vha, 0x5026, |
164 | "Parity error -- HCCR=%x, Dumping " | |
165 | "firmware.\n", hccr); | |
1da177e4 | 166 | else |
7c3df132 SK |
167 | ql_log(ql_log_warn, vha, 0x5027, |
168 | "RISC paused -- HCCR=%x, Dumping " | |
169 | "firmware.\n", hccr); | |
1da177e4 LT |
170 | |
171 | /* | |
172 | * Issue a "HARD" reset in order for the RISC | |
173 | * interrupt bit to be cleared. Schedule a big | |
a06a0f8e | 174 | * hammer to get out of the RISC PAUSED state. |
1da177e4 LT |
175 | */ |
176 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
177 | RD_REG_WORD(®->hccr); | |
07f31805 | 178 | |
e315cd28 AC |
179 | ha->isp_ops->fw_dump(vha, 1); |
180 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
181 | break; |
182 | } else if ((stat & HSR_RISC_INT) == 0) | |
183 | break; | |
184 | ||
1da177e4 | 185 | switch (stat & 0xff) { |
1da177e4 LT |
186 | case 0x1: |
187 | case 0x2: | |
188 | case 0x10: | |
189 | case 0x11: | |
e315cd28 | 190 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
191 | status |= MBX_INTERRUPT; |
192 | ||
193 | /* Release mailbox registers. */ | |
194 | WRT_REG_WORD(®->semaphore, 0); | |
195 | break; | |
196 | case 0x12: | |
9a853f71 AV |
197 | mb[0] = MSW(stat); |
198 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
199 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
200 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 201 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
202 | break; |
203 | case 0x13: | |
73208dfd | 204 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
205 | break; |
206 | case 0x15: | |
9a853f71 AV |
207 | mb[0] = MBA_CMPLT_1_16BIT; |
208 | mb[1] = MSW(stat); | |
73208dfd | 209 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
210 | break; |
211 | case 0x16: | |
9a853f71 AV |
212 | mb[0] = MBA_SCSI_COMPLETION; |
213 | mb[1] = MSW(stat); | |
214 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 215 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
216 | break; |
217 | default: | |
7c3df132 SK |
218 | ql_dbg(ql_dbg_async, vha, 0x5028, |
219 | "Unrecognized interrupt type (%d).\n", stat & 0xff); | |
1da177e4 LT |
220 | break; |
221 | } | |
222 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
223 | RD_REG_WORD_RELAXED(®->hccr); | |
224 | } | |
43fac4d9 | 225 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 226 | |
1da177e4 LT |
227 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
228 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 229 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 230 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
231 | } |
232 | ||
1da177e4 LT |
233 | return (IRQ_HANDLED); |
234 | } | |
235 | ||
236 | /** | |
237 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
238 | * @ha: SCSI driver HA context | |
239 | * @mb0: Mailbox0 register | |
240 | */ | |
241 | static void | |
e315cd28 | 242 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
243 | { |
244 | uint16_t cnt; | |
245 | uint16_t __iomem *wptr; | |
e315cd28 | 246 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 247 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
248 | |
249 | /* Load return mailbox registers. */ | |
250 | ha->flags.mbox_int = 1; | |
251 | ha->mailbox_out[0] = mb0; | |
252 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
253 | ||
254 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 255 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
256 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
257 | if (cnt == 4 || cnt == 5) | |
258 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
259 | else | |
260 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 261 | |
1da177e4 LT |
262 | wptr++; |
263 | } | |
264 | ||
cfb0919c CD |
265 | if (!ha->mcp) |
266 | ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); | |
1da177e4 LT |
267 | } |
268 | ||
8a659571 AV |
269 | static void |
270 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
271 | { | |
272 | static char *event[] = | |
273 | { "Complete", "Request Notification", "Time Extension" }; | |
274 | int rval; | |
275 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
276 | uint16_t __iomem *wptr; | |
277 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
278 | ||
279 | /* Seed data -- mailbox1 -> mailbox7. */ | |
280 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
281 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
282 | mb[cnt] = RD_REG_WORD(wptr); | |
283 | ||
7c3df132 SK |
284 | ql_dbg(ql_dbg_async, vha, 0x5021, |
285 | "Inter-Driver Commucation %s -- " | |
286 | "%04x %04x %04x %04x %04x %04x %04x.\n", | |
287 | event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], | |
288 | mb[4], mb[5], mb[6]); | |
8a659571 AV |
289 | |
290 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
291 | timeout = (descr >> 8) & 0xf; | |
292 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
293 | return; | |
294 | ||
7c3df132 | 295 | ql_dbg(ql_dbg_async, vha, 0x5022, |
d8424f68 | 296 | "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", |
7c3df132 | 297 | vha->host_no, event[aen & 0xff], timeout); |
8a659571 AV |
298 | |
299 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
300 | if (rval != QLA_SUCCESS) | |
7c3df132 | 301 | ql_log(ql_log_warn, vha, 0x5023, |
8a659571 AV |
302 | "IDC failed to post ACK.\n"); |
303 | } | |
304 | ||
1da177e4 LT |
305 | /** |
306 | * qla2x00_async_event() - Process aynchronous events. | |
307 | * @ha: SCSI driver HA context | |
9a853f71 | 308 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 309 | */ |
2c3dfe3f | 310 | void |
73208dfd | 311 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 312 | { |
9a853f71 | 313 | #define LS_UNKNOWN 2 |
3a03eb79 | 314 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 315 | char *link_speed; |
1da177e4 | 316 | uint16_t handle_cnt; |
bdab23da | 317 | uint16_t cnt, mbx; |
1da177e4 | 318 | uint32_t handles[5]; |
e315cd28 | 319 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 320 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 321 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
bc5c2aad | 322 | struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; |
1da177e4 LT |
323 | uint32_t rscn_entry, host_pid; |
324 | uint8_t rscn_queue_index; | |
4d4df193 | 325 | unsigned long flags; |
1da177e4 LT |
326 | |
327 | /* Setup to process RIO completion. */ | |
328 | handle_cnt = 0; | |
a9083016 | 329 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 330 | goto skip_rio; |
1da177e4 LT |
331 | switch (mb[0]) { |
332 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 333 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
334 | handle_cnt = 1; |
335 | break; | |
336 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 337 | handles[0] = mb[1]; |
1da177e4 LT |
338 | handle_cnt = 1; |
339 | mb[0] = MBA_SCSI_COMPLETION; | |
340 | break; | |
341 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
342 | handles[0] = mb[1]; |
343 | handles[1] = mb[2]; | |
1da177e4 LT |
344 | handle_cnt = 2; |
345 | mb[0] = MBA_SCSI_COMPLETION; | |
346 | break; | |
347 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
348 | handles[0] = mb[1]; |
349 | handles[1] = mb[2]; | |
350 | handles[2] = mb[3]; | |
1da177e4 LT |
351 | handle_cnt = 3; |
352 | mb[0] = MBA_SCSI_COMPLETION; | |
353 | break; | |
354 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
355 | handles[0] = mb[1]; |
356 | handles[1] = mb[2]; | |
357 | handles[2] = mb[3]; | |
1da177e4 LT |
358 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
359 | handle_cnt = 4; | |
360 | mb[0] = MBA_SCSI_COMPLETION; | |
361 | break; | |
362 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
363 | handles[0] = mb[1]; |
364 | handles[1] = mb[2]; | |
365 | handles[2] = mb[3]; | |
1da177e4 LT |
366 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
367 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
368 | handle_cnt = 5; | |
369 | mb[0] = MBA_SCSI_COMPLETION; | |
370 | break; | |
371 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 372 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
373 | handles[1] = le32_to_cpu( |
374 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
375 | RD_MAILBOX_REG(ha, reg, 6)); | |
376 | handle_cnt = 2; | |
377 | mb[0] = MBA_SCSI_COMPLETION; | |
378 | break; | |
379 | default: | |
380 | break; | |
381 | } | |
3a03eb79 | 382 | skip_rio: |
1da177e4 LT |
383 | switch (mb[0]) { |
384 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 385 | if (!vha->flags.online) |
1da177e4 LT |
386 | break; |
387 | ||
388 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
389 | qla2x00_process_completed_request(vha, rsp->req, |
390 | handles[cnt]); | |
1da177e4 LT |
391 | break; |
392 | ||
393 | case MBA_RESET: /* Reset */ | |
7c3df132 SK |
394 | ql_dbg(ql_dbg_async, vha, 0x5002, |
395 | "Asynchronous RESET.\n"); | |
1da177e4 | 396 | |
e315cd28 | 397 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
398 | break; |
399 | ||
400 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 401 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
7c3df132 | 402 | ql_log(ql_log_warn, vha, 0x5003, |
bdab23da AV |
403 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
404 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 405 | |
e315cd28 | 406 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 407 | |
e428924c | 408 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 409 | if (mb[1] == 0 && mb[2] == 0) { |
7c3df132 | 410 | ql_log(ql_log_fatal, vha, 0x5004, |
9a853f71 AV |
411 | "Unrecoverable Hardware Error: adapter " |
412 | "marked OFFLINE!\n"); | |
e315cd28 | 413 | vha->flags.online = 0; |
b1d46989 | 414 | } else { |
25985edc | 415 | /* Check to see if MPI timeout occurred */ |
b1d46989 MI |
416 | if ((mbx & MBX_3) && (ha->flags.port0)) |
417 | set_bit(MPI_RESET_NEEDED, | |
418 | &vha->dpc_flags); | |
419 | ||
e315cd28 | 420 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
b1d46989 | 421 | } |
9a853f71 | 422 | } else if (mb[1] == 0) { |
7c3df132 | 423 | ql_log(ql_log_fatal, vha, 0x5005, |
1da177e4 LT |
424 | "Unrecoverable Hardware Error: adapter marked " |
425 | "OFFLINE!\n"); | |
e315cd28 | 426 | vha->flags.online = 0; |
1da177e4 | 427 | } else |
e315cd28 | 428 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
429 | break; |
430 | ||
431 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
7c3df132 SK |
432 | ql_log(ql_log_warn, vha, 0x5006, |
433 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 434 | |
e315cd28 | 435 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
436 | break; |
437 | ||
438 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
7c3df132 SK |
439 | ql_log(ql_log_warn, vha, 0x5007, |
440 | "ISP Response Transfer Error.\n"); | |
1da177e4 | 441 | |
e315cd28 | 442 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
443 | break; |
444 | ||
445 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
7c3df132 SK |
446 | ql_dbg(ql_dbg_async, vha, 0x5008, |
447 | "Asynchronous WAKEUP_THRES.\n"); | |
1da177e4 LT |
448 | break; |
449 | ||
450 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
cfb0919c | 451 | ql_dbg(ql_dbg_async, vha, 0x5009, |
7c3df132 | 452 | "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 453 | |
e315cd28 AC |
454 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
455 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
456 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
457 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
458 | } |
459 | ||
e315cd28 AC |
460 | if (vha->vp_idx) { |
461 | atomic_set(&vha->vp_state, VP_FAILED); | |
462 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
463 | } |
464 | ||
e315cd28 AC |
465 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
466 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 467 | |
e315cd28 AC |
468 | vha->flags.management_server_logged_in = 0; |
469 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
470 | break; |
471 | ||
472 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
473 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
474 | link_speed = link_speeds[0]; | |
d8b45213 | 475 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 476 | } else { |
9a853f71 | 477 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
478 | if (mb[1] < 5) |
479 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
480 | else if (mb[1] == 0x13) |
481 | link_speed = link_speeds[5]; | |
1da177e4 LT |
482 | ha->link_data_rate = mb[1]; |
483 | } | |
484 | ||
cfb0919c | 485 | ql_dbg(ql_dbg_async, vha, 0x500a, |
7c3df132 | 486 | "LOOP UP detected (%s Gbps).\n", link_speed); |
1da177e4 | 487 | |
e315cd28 AC |
488 | vha->flags.management_server_logged_in = 0; |
489 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
490 | break; |
491 | ||
492 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 493 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
bc5c2aad | 494 | mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; |
cfb0919c | 495 | ql_dbg(ql_dbg_async, vha, 0x500b, |
7c3df132 SK |
496 | "LOOP DOWN detected (%x %x %x %x).\n", |
497 | mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 498 | |
e315cd28 AC |
499 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
500 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
501 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
502 | vha->device_flags |= DFLG_NO_CABLE; | |
503 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
504 | } |
505 | ||
e315cd28 AC |
506 | if (vha->vp_idx) { |
507 | atomic_set(&vha->vp_state, VP_FAILED); | |
508 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
509 | } |
510 | ||
e315cd28 | 511 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 512 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 513 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
514 | break; |
515 | ||
516 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
cfb0919c | 517 | ql_dbg(ql_dbg_async, vha, 0x500c, |
cc3ef7bc | 518 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 519 | |
e315cd28 AC |
520 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
521 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
522 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
523 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
524 | } |
525 | ||
e315cd28 AC |
526 | if (vha->vp_idx) { |
527 | atomic_set(&vha->vp_state, VP_FAILED); | |
528 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
529 | } |
530 | ||
e315cd28 | 531 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
532 | |
533 | ha->operating_mode = LOOP; | |
e315cd28 AC |
534 | vha->flags.management_server_logged_in = 0; |
535 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
536 | break; |
537 | ||
3a03eb79 | 538 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
539 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
540 | if (IS_QLA2100(ha)) | |
541 | break; | |
542 | ||
23f2ebd1 | 543 | if (IS_QLA8XXX_TYPE(ha)) { |
7c3df132 SK |
544 | ql_dbg(ql_dbg_async, vha, 0x500d, |
545 | "DCBX Completed -- %04x %04x %04x.\n", | |
546 | mb[1], mb[2], mb[3]); | |
23f2ebd1 SR |
547 | if (ha->notify_dcbx_comp) |
548 | complete(&ha->dcbx_comp); | |
549 | ||
550 | } else | |
7c3df132 SK |
551 | ql_dbg(ql_dbg_async, vha, 0x500e, |
552 | "Asynchronous P2P MODE received.\n"); | |
1da177e4 LT |
553 | |
554 | /* | |
555 | * Until there's a transition from loop down to loop up, treat | |
556 | * this as loop down only. | |
557 | */ | |
e315cd28 AC |
558 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
559 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
560 | if (!atomic_read(&vha->loop_down_timer)) | |
561 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 562 | LOOP_DOWN_TIME); |
e315cd28 | 563 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
564 | } |
565 | ||
e315cd28 AC |
566 | if (vha->vp_idx) { |
567 | atomic_set(&vha->vp_state, VP_FAILED); | |
568 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
569 | } |
570 | ||
e315cd28 AC |
571 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
572 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
573 | ||
574 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
575 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
576 | |
577 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 578 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
579 | break; |
580 | ||
581 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
582 | if (IS_QLA2100(ha)) | |
583 | break; | |
584 | ||
cfb0919c | 585 | ql_dbg(ql_dbg_async, vha, 0x500f, |
1da177e4 LT |
586 | "Configuration change detected: value=%x.\n", mb[1]); |
587 | ||
e315cd28 AC |
588 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
589 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
590 | if (!atomic_read(&vha->loop_down_timer)) | |
591 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 592 | LOOP_DOWN_TIME); |
e315cd28 | 593 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
594 | } |
595 | ||
e315cd28 AC |
596 | if (vha->vp_idx) { |
597 | atomic_set(&vha->vp_state, VP_FAILED); | |
598 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
599 | } |
600 | ||
e315cd28 AC |
601 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
602 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
603 | break; |
604 | ||
605 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
606 | /* |
607 | * Handle only global and vn-port update events | |
608 | * | |
609 | * Relevant inputs: | |
610 | * mb[1] = N_Port handle of changed port | |
611 | * OR 0xffff for global event | |
612 | * mb[2] = New login state | |
613 | * 7 = Port logged out | |
614 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
615 | * | |
616 | * Skip processing if: | |
617 | * Event is global, vp_idx is NOT all vps, | |
618 | * vp_idx does not match | |
619 | * Event is not global, vp_idx does not match | |
620 | */ | |
12cec63e AV |
621 | if (IS_QLA2XXX_MIDTYPE(ha) && |
622 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
623 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
624 | break; | |
73208dfd | 625 | |
9764ff88 AV |
626 | /* Global event -- port logout or port unavailable. */ |
627 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
7c3df132 SK |
628 | ql_dbg(ql_dbg_async, vha, 0x5010, |
629 | "Port unavailable %04x %04x %04x.\n", | |
630 | mb[1], mb[2], mb[3]); | |
9764ff88 AV |
631 | |
632 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
633 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
634 | atomic_set(&vha->loop_down_timer, | |
635 | LOOP_DOWN_TIME); | |
636 | vha->device_flags |= DFLG_NO_CABLE; | |
637 | qla2x00_mark_all_devices_lost(vha, 1); | |
638 | } | |
639 | ||
640 | if (vha->vp_idx) { | |
641 | atomic_set(&vha->vp_state, VP_FAILED); | |
642 | fc_vport_set_state(vha->fc_vport, | |
643 | FC_VPORT_FAILED); | |
faadc5e7 | 644 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
645 | } |
646 | ||
647 | vha->flags.management_server_logged_in = 0; | |
648 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
649 | break; | |
650 | } | |
651 | ||
1da177e4 | 652 | /* |
cc3ef7bc | 653 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
654 | * event etc. earlier indicating loop is down) then process |
655 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
656 | */ | |
e315cd28 AC |
657 | atomic_set(&vha->loop_down_timer, 0); |
658 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
659 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
7c3df132 SK |
660 | ql_dbg(ql_dbg_async, vha, 0x5011, |
661 | "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", | |
662 | mb[1], mb[2], mb[3]); | |
1da177e4 LT |
663 | break; |
664 | } | |
665 | ||
7c3df132 SK |
666 | ql_dbg(ql_dbg_async, vha, 0x5012, |
667 | "Port database changed %04x %04x %04x.\n", | |
668 | mb[1], mb[2], mb[3]); | |
1da177e4 LT |
669 | |
670 | /* | |
671 | * Mark all devices as missing so we will login again. | |
672 | */ | |
e315cd28 | 673 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 674 | |
e315cd28 | 675 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 676 | |
e315cd28 | 677 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 678 | |
e315cd28 AC |
679 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
680 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
681 | break; |
682 | ||
683 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 684 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 685 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
686 | break; |
687 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 688 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 689 | break; |
0d6e61bc | 690 | |
7c3df132 SK |
691 | ql_dbg(ql_dbg_async, vha, 0x5013, |
692 | "RSCN database changed -- %04x %04x %04x.\n", | |
693 | mb[1], mb[2], mb[3]); | |
1da177e4 | 694 | |
59d72d87 | 695 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
696 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
697 | | vha->d_id.b.al_pa; | |
1da177e4 | 698 | if (rscn_entry == host_pid) { |
7c3df132 SK |
699 | ql_dbg(ql_dbg_async, vha, 0x5014, |
700 | "Ignoring RSCN update to local host " | |
701 | "port ID (%06x).\n", host_pid); | |
1da177e4 LT |
702 | break; |
703 | } | |
704 | ||
59d72d87 RA |
705 | /* Ignore reserved bits from RSCN-payload. */ |
706 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 707 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
708 | if (rscn_queue_index == MAX_RSCN_COUNT) |
709 | rscn_queue_index = 0; | |
e315cd28 AC |
710 | if (rscn_queue_index != vha->rscn_out_ptr) { |
711 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
712 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 713 | } else { |
e315cd28 | 714 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
715 | } |
716 | ||
e315cd28 AC |
717 | atomic_set(&vha->loop_down_timer, 0); |
718 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 719 | |
e315cd28 AC |
720 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
721 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
722 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
723 | break; |
724 | ||
725 | /* case MBA_RIO_RESPONSE: */ | |
726 | case MBA_ZIO_RESPONSE: | |
7c3df132 SK |
727 | ql_dbg(ql_dbg_async, vha, 0x5015, |
728 | "[R|Z]IO update completion.\n"); | |
1da177e4 | 729 | |
e428924c | 730 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 731 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 732 | else |
73208dfd | 733 | qla2x00_process_response_queue(rsp); |
1da177e4 | 734 | break; |
9a853f71 AV |
735 | |
736 | case MBA_DISCARD_RND_FRAME: | |
7c3df132 SK |
737 | ql_dbg(ql_dbg_async, vha, 0x5016, |
738 | "Discard RND Frame -- %04x %04x %04x.\n", | |
739 | mb[1], mb[2], mb[3]); | |
9a853f71 | 740 | break; |
45ebeb56 AV |
741 | |
742 | case MBA_TRACE_NOTIFICATION: | |
7c3df132 SK |
743 | ql_dbg(ql_dbg_async, vha, 0x5017, |
744 | "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); | |
45ebeb56 | 745 | break; |
4d4df193 HK |
746 | |
747 | case MBA_ISP84XX_ALERT: | |
7c3df132 SK |
748 | ql_dbg(ql_dbg_async, vha, 0x5018, |
749 | "ISP84XX Alert Notification -- %04x %04x %04x.\n", | |
750 | mb[1], mb[2], mb[3]); | |
4d4df193 HK |
751 | |
752 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
753 | switch (mb[1]) { | |
754 | case A84_PANIC_RECOVERY: | |
7c3df132 SK |
755 | ql_log(ql_log_info, vha, 0x5019, |
756 | "Alert 84XX: panic recovery %04x %04x.\n", | |
757 | mb[2], mb[3]); | |
4d4df193 HK |
758 | break; |
759 | case A84_OP_LOGIN_COMPLETE: | |
760 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
7c3df132 SK |
761 | ql_log(ql_log_info, vha, 0x501a, |
762 | "Alert 84XX: firmware version %x.\n", | |
763 | ha->cs84xx->op_fw_version); | |
4d4df193 HK |
764 | break; |
765 | case A84_DIAG_LOGIN_COMPLETE: | |
766 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
7c3df132 SK |
767 | ql_log(ql_log_info, vha, 0x501b, |
768 | "Alert 84XX: diagnostic firmware version %x.\n", | |
769 | ha->cs84xx->diag_fw_version); | |
4d4df193 HK |
770 | break; |
771 | case A84_GOLD_LOGIN_COMPLETE: | |
772 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
773 | ha->cs84xx->fw_update = 1; | |
7c3df132 SK |
774 | ql_log(ql_log_info, vha, 0x501c, |
775 | "Alert 84XX: gold firmware version %x.\n", | |
776 | ha->cs84xx->gold_fw_version); | |
4d4df193 HK |
777 | break; |
778 | default: | |
7c3df132 SK |
779 | ql_log(ql_log_warn, vha, 0x501d, |
780 | "Alert 84xx: Invalid Alert %04x %04x %04x.\n", | |
4d4df193 HK |
781 | mb[1], mb[2], mb[3]); |
782 | } | |
783 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
784 | break; | |
3a03eb79 | 785 | case MBA_DCBX_START: |
7c3df132 SK |
786 | ql_dbg(ql_dbg_async, vha, 0x501e, |
787 | "DCBX Started -- %04x %04x %04x.\n", | |
788 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
789 | break; |
790 | case MBA_DCBX_PARAM_UPDATE: | |
7c3df132 SK |
791 | ql_dbg(ql_dbg_async, vha, 0x501f, |
792 | "DCBX Parameters Updated -- %04x %04x %04x.\n", | |
793 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
794 | break; |
795 | case MBA_FCF_CONF_ERR: | |
7c3df132 SK |
796 | ql_dbg(ql_dbg_async, vha, 0x5020, |
797 | "FCF Configuration Error -- %04x %04x %04x.\n", | |
798 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
799 | break; |
800 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 801 | case MBA_IDC_NOTIFY: |
3a03eb79 | 802 | case MBA_IDC_TIME_EXT: |
8a659571 | 803 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 804 | break; |
1da177e4 | 805 | } |
2c3dfe3f | 806 | |
e315cd28 | 807 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 808 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
809 | } |
810 | ||
811 | /** | |
812 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
813 | * @ha: SCSI driver HA context | |
814 | * @index: SRB index | |
815 | */ | |
816 | static void | |
73208dfd AC |
817 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
818 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
819 | { |
820 | srb_t *sp; | |
e315cd28 | 821 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
822 | |
823 | /* Validate handle. */ | |
824 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
7c3df132 SK |
825 | ql_log(ql_log_warn, vha, 0x3014, |
826 | "Invalid SCSI command index (%x).\n", index); | |
1da177e4 | 827 | |
8f7daead GM |
828 | if (IS_QLA82XX(ha)) |
829 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
830 | else | |
831 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
832 | return; |
833 | } | |
834 | ||
e315cd28 | 835 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
836 | if (sp) { |
837 | /* Free outstanding command slot. */ | |
e315cd28 | 838 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 839 | |
1da177e4 LT |
840 | /* Save ISP completion status */ |
841 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 842 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 843 | } else { |
7c3df132 | 844 | ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); |
1da177e4 | 845 | |
8f7daead GM |
846 | if (IS_QLA82XX(ha)) |
847 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
848 | else | |
849 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
850 | } |
851 | } | |
852 | ||
ac280b67 AV |
853 | static srb_t * |
854 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
855 | struct req_que *req, void *iocb) | |
856 | { | |
857 | struct qla_hw_data *ha = vha->hw; | |
858 | sts_entry_t *pkt = iocb; | |
859 | srb_t *sp = NULL; | |
860 | uint16_t index; | |
861 | ||
862 | index = LSW(pkt->handle); | |
863 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
7c3df132 SK |
864 | ql_log(ql_log_warn, vha, 0x5031, |
865 | "Invalid command index (%x).\n", index); | |
8f7daead GM |
866 | if (IS_QLA82XX(ha)) |
867 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
868 | else | |
869 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
ac280b67 AV |
870 | goto done; |
871 | } | |
872 | sp = req->outstanding_cmds[index]; | |
873 | if (!sp) { | |
7c3df132 SK |
874 | ql_log(ql_log_warn, vha, 0x5032, |
875 | "Invalid completion handle (%x) -- timed-out.\n", index); | |
ac280b67 AV |
876 | return sp; |
877 | } | |
878 | if (sp->handle != index) { | |
7c3df132 SK |
879 | ql_log(ql_log_warn, vha, 0x5033, |
880 | "SRB handle (%x) mismatch %x.\n", sp->handle, index); | |
ac280b67 AV |
881 | return NULL; |
882 | } | |
9a069e19 | 883 | |
ac280b67 | 884 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 885 | |
ac280b67 AV |
886 | done: |
887 | return sp; | |
888 | } | |
889 | ||
890 | static void | |
891 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
892 | struct mbx_entry *mbx) | |
893 | { | |
894 | const char func[] = "MBX-IOCB"; | |
895 | const char *type; | |
ac280b67 AV |
896 | fc_port_t *fcport; |
897 | srb_t *sp; | |
4916392b MI |
898 | struct srb_iocb *lio; |
899 | struct srb_ctx *ctx; | |
99b0bec7 | 900 | uint16_t *data; |
5ff1d584 | 901 | uint16_t status; |
ac280b67 AV |
902 | |
903 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
904 | if (!sp) | |
905 | return; | |
906 | ||
4916392b MI |
907 | ctx = sp->ctx; |
908 | lio = ctx->u.iocb_cmd; | |
909 | type = ctx->name; | |
ac280b67 | 910 | fcport = sp->fcport; |
4916392b | 911 | data = lio->u.logio.data; |
ac280b67 | 912 | |
5ff1d584 | 913 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 914 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 915 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 | 916 | if (mbx->entry_status) { |
7c3df132 | 917 | ql_dbg(ql_dbg_async, vha, 0x5043, |
cfb0919c | 918 | "Async-%s error entry - hdl=%x portid=%02x%02x%02x " |
d3fa9e7d | 919 | "entry-status=%x status=%x state-flag=%x " |
cfb0919c CD |
920 | "status-flags=%x.\n", type, sp->handle, |
921 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
d3fa9e7d AV |
922 | fcport->d_id.b.al_pa, mbx->entry_status, |
923 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), | |
7c3df132 | 924 | le16_to_cpu(mbx->status_flags)); |
d3fa9e7d | 925 | |
cfb0919c | 926 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, |
7c3df132 | 927 | (uint8_t *)mbx, sizeof(*mbx)); |
ac280b67 | 928 | |
99b0bec7 | 929 | goto logio_done; |
ac280b67 AV |
930 | } |
931 | ||
5ff1d584 | 932 | status = le16_to_cpu(mbx->status); |
4916392b | 933 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
5ff1d584 AV |
934 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
935 | status = 0; | |
936 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
7c3df132 | 937 | ql_dbg(ql_dbg_async, vha, 0x5045, |
cfb0919c CD |
938 | "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", |
939 | type, sp->handle, fcport->d_id.b.domain, | |
940 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
941 | le16_to_cpu(mbx->mb1)); | |
ac280b67 AV |
942 | |
943 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 944 | if (ctx->type == SRB_LOGIN_CMD) { |
99b0bec7 AV |
945 | fcport->port_type = FCT_TARGET; |
946 | if (le16_to_cpu(mbx->mb1) & BIT_0) | |
947 | fcport->port_type = FCT_INITIATOR; | |
6ac52608 | 948 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
99b0bec7 | 949 | fcport->flags |= FCF_FCP2_DEVICE; |
5ff1d584 | 950 | } |
99b0bec7 | 951 | goto logio_done; |
ac280b67 AV |
952 | } |
953 | ||
954 | data[0] = le16_to_cpu(mbx->mb0); | |
955 | switch (data[0]) { | |
956 | case MBS_PORT_ID_USED: | |
957 | data[1] = le16_to_cpu(mbx->mb1); | |
958 | break; | |
959 | case MBS_LOOP_ID_USED: | |
960 | break; | |
961 | default: | |
962 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
963 | break; |
964 | } | |
965 | ||
7c3df132 | 966 | ql_log(ql_log_warn, vha, 0x5046, |
cfb0919c CD |
967 | "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " |
968 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, | |
969 | fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
970 | status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), | |
ac280b67 | 971 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), |
7c3df132 | 972 | le16_to_cpu(mbx->mb7)); |
ac280b67 | 973 | |
99b0bec7 | 974 | logio_done: |
4916392b | 975 | lio->done(sp); |
ac280b67 AV |
976 | } |
977 | ||
9bc4f4fb HZ |
978 | static void |
979 | qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
980 | sts_entry_t *pkt, int iocb_type) | |
981 | { | |
982 | const char func[] = "CT_IOCB"; | |
983 | const char *type; | |
984 | struct qla_hw_data *ha = vha->hw; | |
985 | srb_t *sp; | |
986 | struct srb_ctx *sp_bsg; | |
987 | struct fc_bsg_job *bsg_job; | |
988 | uint16_t comp_status; | |
989 | ||
990 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
991 | if (!sp) | |
992 | return; | |
993 | ||
994 | sp_bsg = sp->ctx; | |
995 | bsg_job = sp_bsg->u.bsg_job; | |
996 | ||
997 | type = NULL; | |
998 | switch (sp_bsg->type) { | |
999 | case SRB_CT_CMD: | |
1000 | type = "ct pass-through"; | |
1001 | break; | |
1002 | default: | |
7c3df132 SK |
1003 | ql_log(ql_log_warn, vha, 0x5047, |
1004 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); | |
9bc4f4fb HZ |
1005 | return; |
1006 | } | |
1007 | ||
1008 | comp_status = le16_to_cpu(pkt->comp_status); | |
1009 | ||
1010 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1011 | * fc payload to the caller | |
1012 | */ | |
1013 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1014 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
1015 | ||
1016 | if (comp_status != CS_COMPLETE) { | |
1017 | if (comp_status == CS_DATA_UNDERRUN) { | |
1018 | bsg_job->reply->result = DID_OK << 16; | |
1019 | bsg_job->reply->reply_payload_rcv_len = | |
1020 | le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); | |
1021 | ||
7c3df132 SK |
1022 | ql_log(ql_log_warn, vha, 0x5048, |
1023 | "CT pass-through-%s error " | |
9bc4f4fb | 1024 | "comp_status-status=0x%x total_byte = 0x%x.\n", |
7c3df132 SK |
1025 | type, comp_status, |
1026 | bsg_job->reply->reply_payload_rcv_len); | |
9bc4f4fb | 1027 | } else { |
7c3df132 SK |
1028 | ql_log(ql_log_warn, vha, 0x5049, |
1029 | "CT pass-through-%s error " | |
1030 | "comp_status-status=0x%x.\n", type, comp_status); | |
9bc4f4fb HZ |
1031 | bsg_job->reply->result = DID_ERROR << 16; |
1032 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1033 | } | |
cfb0919c | 1034 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, |
7c3df132 | 1035 | (uint8_t *)pkt, sizeof(*pkt)); |
9bc4f4fb | 1036 | } else { |
6eab04a8 | 1037 | bsg_job->reply->result = DID_OK << 16; |
9bc4f4fb HZ |
1038 | bsg_job->reply->reply_payload_rcv_len = |
1039 | bsg_job->reply_payload.payload_len; | |
1040 | bsg_job->reply_len = 0; | |
1041 | } | |
1042 | ||
1043 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
1044 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1045 | ||
1046 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
1047 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
1048 | ||
1049 | if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) | |
1050 | kfree(sp->fcport); | |
1051 | ||
1052 | kfree(sp->ctx); | |
1053 | mempool_free(sp, ha->srb_mempool); | |
1054 | bsg_job->job_done(bsg_job); | |
1055 | } | |
1056 | ||
9a069e19 GM |
1057 | static void |
1058 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1059 | struct sts_entry_24xx *pkt, int iocb_type) | |
1060 | { | |
1061 | const char func[] = "ELS_CT_IOCB"; | |
1062 | const char *type; | |
1063 | struct qla_hw_data *ha = vha->hw; | |
1064 | srb_t *sp; | |
4916392b | 1065 | struct srb_ctx *sp_bsg; |
9a069e19 GM |
1066 | struct fc_bsg_job *bsg_job; |
1067 | uint16_t comp_status; | |
1068 | uint32_t fw_status[3]; | |
1069 | uint8_t* fw_sts_ptr; | |
1070 | ||
1071 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1072 | if (!sp) | |
1073 | return; | |
4916392b MI |
1074 | sp_bsg = sp->ctx; |
1075 | bsg_job = sp_bsg->u.bsg_job; | |
9a069e19 GM |
1076 | |
1077 | type = NULL; | |
4916392b | 1078 | switch (sp_bsg->type) { |
9a069e19 GM |
1079 | case SRB_ELS_CMD_RPT: |
1080 | case SRB_ELS_CMD_HST: | |
1081 | type = "els"; | |
1082 | break; | |
1083 | case SRB_CT_CMD: | |
1084 | type = "ct pass-through"; | |
1085 | break; | |
1086 | default: | |
7c3df132 SK |
1087 | ql_log(ql_log_warn, vha, 0x503e, |
1088 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); | |
9a069e19 GM |
1089 | return; |
1090 | } | |
1091 | ||
1092 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1093 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1094 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
1095 | ||
1096 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1097 | * fc payload to the caller | |
1098 | */ | |
1099 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1100 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); | |
1101 | ||
1102 | if (comp_status != CS_COMPLETE) { | |
1103 | if (comp_status == CS_DATA_UNDERRUN) { | |
1104 | bsg_job->reply->result = DID_OK << 16; | |
1105 | bsg_job->reply->reply_payload_rcv_len = | |
1106 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1107 | ||
7c3df132 | 1108 | ql_log(ql_log_info, vha, 0x503f, |
cfb0919c | 1109 | "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
9a069e19 | 1110 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", |
cfb0919c | 1111 | type, sp->handle, comp_status, fw_status[1], fw_status[2], |
7c3df132 SK |
1112 | le16_to_cpu(((struct els_sts_entry_24xx *) |
1113 | pkt)->total_byte_count)); | |
9a069e19 GM |
1114 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
1115 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1116 | } | |
1117 | else { | |
7c3df132 | 1118 | ql_log(ql_log_info, vha, 0x5040, |
cfb0919c | 1119 | "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
9a069e19 | 1120 | "error subcode 1=0x%x error subcode 2=0x%x.\n", |
cfb0919c | 1121 | type, sp->handle, comp_status, |
7c3df132 SK |
1122 | le16_to_cpu(((struct els_sts_entry_24xx *) |
1123 | pkt)->error_subcode_1), | |
1124 | le16_to_cpu(((struct els_sts_entry_24xx *) | |
1125 | pkt)->error_subcode_2)); | |
9a069e19 GM |
1126 | bsg_job->reply->result = DID_ERROR << 16; |
1127 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1128 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1129 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1130 | } | |
7c3df132 SK |
1131 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5056, |
1132 | (uint8_t *)pkt, sizeof(*pkt)); | |
9a069e19 GM |
1133 | } |
1134 | else { | |
6eab04a8 | 1135 | bsg_job->reply->result = DID_OK << 16; |
9a069e19 GM |
1136 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; |
1137 | bsg_job->reply_len = 0; | |
1138 | } | |
1139 | ||
1140 | dma_unmap_sg(&ha->pdev->dev, | |
1141 | bsg_job->request_payload.sg_list, | |
1142 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1143 | dma_unmap_sg(&ha->pdev->dev, | |
1144 | bsg_job->reply_payload.sg_list, | |
1145 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
4916392b MI |
1146 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
1147 | (sp_bsg->type == SRB_CT_CMD)) | |
9a069e19 GM |
1148 | kfree(sp->fcport); |
1149 | kfree(sp->ctx); | |
1150 | mempool_free(sp, ha->srb_mempool); | |
1151 | bsg_job->job_done(bsg_job); | |
1152 | } | |
1153 | ||
ac280b67 AV |
1154 | static void |
1155 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1156 | struct logio_entry_24xx *logio) | |
1157 | { | |
1158 | const char func[] = "LOGIO-IOCB"; | |
1159 | const char *type; | |
ac280b67 AV |
1160 | fc_port_t *fcport; |
1161 | srb_t *sp; | |
4916392b MI |
1162 | struct srb_iocb *lio; |
1163 | struct srb_ctx *ctx; | |
99b0bec7 | 1164 | uint16_t *data; |
ac280b67 AV |
1165 | uint32_t iop[2]; |
1166 | ||
1167 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1168 | if (!sp) | |
1169 | return; | |
1170 | ||
4916392b MI |
1171 | ctx = sp->ctx; |
1172 | lio = ctx->u.iocb_cmd; | |
1173 | type = ctx->name; | |
ac280b67 | 1174 | fcport = sp->fcport; |
4916392b | 1175 | data = lio->u.logio.data; |
ac280b67 | 1176 | |
5ff1d584 | 1177 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 1178 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 1179 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 | 1180 | if (logio->entry_status) { |
7c3df132 | 1181 | ql_log(ql_log_warn, vha, 0x5034, |
cfb0919c | 1182 | "Async-%s error entry - hdl=%x" |
d3fa9e7d | 1183 | "portid=%02x%02x%02x entry-status=%x.\n", |
cfb0919c CD |
1184 | type, sp->handle, fcport->d_id.b.domain, |
1185 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
1186 | logio->entry_status); | |
1187 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, | |
7c3df132 | 1188 | (uint8_t *)logio, sizeof(*logio)); |
ac280b67 | 1189 | |
99b0bec7 | 1190 | goto logio_done; |
ac280b67 AV |
1191 | } |
1192 | ||
1193 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
7c3df132 | 1194 | ql_dbg(ql_dbg_async, vha, 0x5036, |
cfb0919c CD |
1195 | "Async-%s complete - hdl=%x portid=%02x%02x%02x " |
1196 | "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, | |
1197 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
7c3df132 | 1198 | le32_to_cpu(logio->io_parameter[0])); |
ac280b67 AV |
1199 | |
1200 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 1201 | if (ctx->type != SRB_LOGIN_CMD) |
99b0bec7 | 1202 | goto logio_done; |
ac280b67 AV |
1203 | |
1204 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1205 | if (iop[0] & BIT_4) { | |
1206 | fcport->port_type = FCT_TARGET; | |
1207 | if (iop[0] & BIT_8) | |
8474f3a0 | 1208 | fcport->flags |= FCF_FCP2_DEVICE; |
b0cd579c | 1209 | } else if (iop[0] & BIT_5) |
ac280b67 | 1210 | fcport->port_type = FCT_INITIATOR; |
b0cd579c | 1211 | |
ac280b67 AV |
1212 | if (logio->io_parameter[7] || logio->io_parameter[8]) |
1213 | fcport->supported_classes |= FC_COS_CLASS2; | |
1214 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1215 | fcport->supported_classes |= FC_COS_CLASS3; | |
1216 | ||
99b0bec7 | 1217 | goto logio_done; |
ac280b67 AV |
1218 | } |
1219 | ||
1220 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1221 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1222 | switch (iop[0]) { | |
1223 | case LSC_SCODE_PORTID_USED: | |
1224 | data[0] = MBS_PORT_ID_USED; | |
1225 | data[1] = LSW(iop[1]); | |
1226 | break; | |
1227 | case LSC_SCODE_NPORT_USED: | |
1228 | data[0] = MBS_LOOP_ID_USED; | |
1229 | break; | |
ac280b67 AV |
1230 | default: |
1231 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
1232 | break; |
1233 | } | |
1234 | ||
7c3df132 | 1235 | ql_dbg(ql_dbg_async, vha, 0x5037, |
cfb0919c CD |
1236 | "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " |
1237 | "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, | |
d3fa9e7d | 1238 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
ac280b67 AV |
1239 | le16_to_cpu(logio->comp_status), |
1240 | le32_to_cpu(logio->io_parameter[0]), | |
7c3df132 | 1241 | le32_to_cpu(logio->io_parameter[1])); |
ac280b67 | 1242 | |
99b0bec7 | 1243 | logio_done: |
4916392b | 1244 | lio->done(sp); |
ac280b67 AV |
1245 | } |
1246 | ||
3822263e MI |
1247 | static void |
1248 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1249 | struct tsk_mgmt_entry *tsk) | |
1250 | { | |
1251 | const char func[] = "TMF-IOCB"; | |
1252 | const char *type; | |
1253 | fc_port_t *fcport; | |
1254 | srb_t *sp; | |
1255 | struct srb_iocb *iocb; | |
1256 | struct srb_ctx *ctx; | |
1257 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; | |
1258 | int error = 1; | |
1259 | ||
1260 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); | |
1261 | if (!sp) | |
1262 | return; | |
1263 | ||
1264 | ctx = sp->ctx; | |
1265 | iocb = ctx->u.iocb_cmd; | |
1266 | type = ctx->name; | |
1267 | fcport = sp->fcport; | |
1268 | ||
1269 | if (sts->entry_status) { | |
7c3df132 | 1270 | ql_log(ql_log_warn, vha, 0x5038, |
cfb0919c CD |
1271 | "Async-%s error - hdl=%x entry-status(%x).\n", |
1272 | type, sp->handle, sts->entry_status); | |
3822263e | 1273 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { |
7c3df132 | 1274 | ql_log(ql_log_warn, vha, 0x5039, |
cfb0919c CD |
1275 | "Async-%s error - hdl=%x completion status(%x).\n", |
1276 | type, sp->handle, sts->comp_status); | |
3822263e MI |
1277 | } else if (!(le16_to_cpu(sts->scsi_status) & |
1278 | SS_RESPONSE_INFO_LEN_VALID)) { | |
7c3df132 | 1279 | ql_log(ql_log_warn, vha, 0x503a, |
cfb0919c CD |
1280 | "Async-%s error - hdl=%x no response info(%x).\n", |
1281 | type, sp->handle, sts->scsi_status); | |
3822263e | 1282 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { |
7c3df132 | 1283 | ql_log(ql_log_warn, vha, 0x503b, |
cfb0919c CD |
1284 | "Async-%s error - hdl=%x not enough response(%d).\n", |
1285 | type, sp->handle, sts->rsp_data_len); | |
3822263e | 1286 | } else if (sts->data[3]) { |
7c3df132 | 1287 | ql_log(ql_log_warn, vha, 0x503c, |
cfb0919c CD |
1288 | "Async-%s error - hdl=%x response(%x).\n", |
1289 | type, sp->handle, sts->data[3]); | |
3822263e MI |
1290 | } else { |
1291 | error = 0; | |
1292 | } | |
1293 | ||
1294 | if (error) { | |
1295 | iocb->u.tmf.data = error; | |
7c3df132 SK |
1296 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, |
1297 | (uint8_t *)sts, sizeof(*sts)); | |
3822263e MI |
1298 | } |
1299 | ||
1300 | iocb->done(sp); | |
1301 | } | |
1302 | ||
1da177e4 LT |
1303 | /** |
1304 | * qla2x00_process_response_queue() - Process response queue entries. | |
1305 | * @ha: SCSI driver HA context | |
1306 | */ | |
1307 | void | |
73208dfd | 1308 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1309 | { |
73208dfd AC |
1310 | struct scsi_qla_host *vha; |
1311 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1312 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1313 | sts_entry_t *pkt; |
1314 | uint16_t handle_cnt; | |
1315 | uint16_t cnt; | |
73208dfd | 1316 | |
2afa19a9 | 1317 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1318 | |
e315cd28 | 1319 | if (!vha->flags.online) |
1da177e4 LT |
1320 | return; |
1321 | ||
e315cd28 AC |
1322 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1323 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1324 | |
e315cd28 AC |
1325 | rsp->ring_index++; |
1326 | if (rsp->ring_index == rsp->length) { | |
1327 | rsp->ring_index = 0; | |
1328 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1329 | } else { |
e315cd28 | 1330 | rsp->ring_ptr++; |
1da177e4 LT |
1331 | } |
1332 | ||
1333 | if (pkt->entry_status != 0) { | |
73208dfd | 1334 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1335 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1336 | wmb(); | |
1337 | continue; | |
1338 | } | |
1339 | ||
1340 | switch (pkt->entry_type) { | |
1341 | case STATUS_TYPE: | |
73208dfd | 1342 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1343 | break; |
1344 | case STATUS_TYPE_21: | |
1345 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1346 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1347 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1348 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1349 | } | |
1350 | break; | |
1351 | case STATUS_TYPE_22: | |
1352 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1353 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1354 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1355 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1356 | } | |
1357 | break; | |
1358 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1359 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1360 | break; |
ac280b67 AV |
1361 | case MBX_IOCB_TYPE: |
1362 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1363 | (struct mbx_entry *)pkt); | |
3822263e | 1364 | break; |
9bc4f4fb HZ |
1365 | case CT_IOCB_TYPE: |
1366 | qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1367 | break; | |
1da177e4 LT |
1368 | default: |
1369 | /* Type Not Supported. */ | |
7c3df132 SK |
1370 | ql_log(ql_log_warn, vha, 0x504a, |
1371 | "Received unknown response pkt type %x " | |
1da177e4 | 1372 | "entry status=%x.\n", |
7c3df132 | 1373 | pkt->entry_type, pkt->entry_status); |
1da177e4 LT |
1374 | break; |
1375 | } | |
1376 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1377 | wmb(); | |
1378 | } | |
1379 | ||
1380 | /* Adjust ring index */ | |
e315cd28 | 1381 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1382 | } |
1383 | ||
4733fcb1 | 1384 | static inline void |
5544213b AV |
1385 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, |
1386 | uint32_t sense_len, struct rsp_que *rsp) | |
4733fcb1 | 1387 | { |
7c3df132 | 1388 | struct scsi_qla_host *vha = sp->fcport->vha; |
4733fcb1 AV |
1389 | struct scsi_cmnd *cp = sp->cmd; |
1390 | ||
1391 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1392 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1393 | ||
4733fcb1 AV |
1394 | sp->request_sense_length = sense_len; |
1395 | sp->request_sense_ptr = cp->sense_buffer; | |
5544213b AV |
1396 | if (sp->request_sense_length > par_sense_len) |
1397 | sense_len = par_sense_len; | |
4733fcb1 AV |
1398 | |
1399 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1400 | ||
1401 | sp->request_sense_ptr += sense_len; | |
1402 | sp->request_sense_length -= sense_len; | |
1403 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1404 | rsp->status_srb = sp; |
4733fcb1 | 1405 | |
cfb0919c CD |
1406 | if (sense_len) { |
1407 | ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, | |
1408 | "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", | |
1409 | sp->fcport->vha->host_no, cp->device->id, cp->device->lun, | |
1410 | cp); | |
7c3df132 SK |
1411 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, |
1412 | cp->sense_buffer, sense_len); | |
cfb0919c | 1413 | } |
4733fcb1 AV |
1414 | } |
1415 | ||
bad75002 AE |
1416 | struct scsi_dif_tuple { |
1417 | __be16 guard; /* Checksum */ | |
1418 | __be16 app_tag; /* APPL identifer */ | |
1419 | __be32 ref_tag; /* Target LBA or indirect LBA */ | |
1420 | }; | |
1421 | ||
1422 | /* | |
1423 | * Checks the guard or meta-data for the type of error | |
1424 | * detected by the HBA. In case of errors, we set the | |
1425 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST | |
1426 | * to indicate to the kernel that the HBA detected error. | |
1427 | */ | |
8cb2049c | 1428 | static inline int |
bad75002 AE |
1429 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) |
1430 | { | |
7c3df132 | 1431 | struct scsi_qla_host *vha = sp->fcport->vha; |
bad75002 | 1432 | struct scsi_cmnd *cmd = sp->cmd; |
8cb2049c AE |
1433 | uint8_t *ap = &sts24->data[12]; |
1434 | uint8_t *ep = &sts24->data[20]; | |
bad75002 AE |
1435 | uint32_t e_ref_tag, a_ref_tag; |
1436 | uint16_t e_app_tag, a_app_tag; | |
1437 | uint16_t e_guard, a_guard; | |
1438 | ||
8cb2049c AE |
1439 | /* |
1440 | * swab32 of the "data" field in the beginning of qla2x00_status_entry() | |
1441 | * would make guard field appear at offset 2 | |
1442 | */ | |
1443 | a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); | |
1444 | a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); | |
1445 | a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); | |
1446 | e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); | |
1447 | e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); | |
1448 | e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); | |
bad75002 | 1449 | |
7c3df132 SK |
1450 | ql_dbg(ql_dbg_io, vha, 0x3023, |
1451 | "iocb(s) %p Returned STATUS.\n", sts24); | |
bad75002 | 1452 | |
7c3df132 SK |
1453 | ql_dbg(ql_dbg_io, vha, 0x3024, |
1454 | "DIF ERROR in cmd 0x%x lba 0x%llx act ref" | |
bad75002 | 1455 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" |
7c3df132 | 1456 | " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", |
bad75002 | 1457 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, |
7c3df132 | 1458 | a_app_tag, e_app_tag, a_guard, e_guard); |
bad75002 | 1459 | |
8cb2049c AE |
1460 | /* |
1461 | * Ignore sector if: | |
1462 | * For type 3: ref & app tag is all 'f's | |
1463 | * For type 0,1,2: app tag is all 'f's | |
1464 | */ | |
1465 | if ((a_app_tag == 0xffff) && | |
1466 | ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || | |
1467 | (a_ref_tag == 0xffffffff))) { | |
1468 | uint32_t blocks_done, resid; | |
1469 | sector_t lba_s = scsi_get_lba(cmd); | |
1470 | ||
1471 | /* 2TB boundary case covered automatically with this */ | |
1472 | blocks_done = e_ref_tag - (uint32_t)lba_s + 1; | |
1473 | ||
1474 | resid = scsi_bufflen(cmd) - (blocks_done * | |
1475 | cmd->device->sector_size); | |
1476 | ||
1477 | scsi_set_resid(cmd, resid); | |
1478 | cmd->result = DID_OK << 16; | |
1479 | ||
1480 | /* Update protection tag */ | |
1481 | if (scsi_prot_sg_count(cmd)) { | |
1482 | uint32_t i, j = 0, k = 0, num_ent; | |
1483 | struct scatterlist *sg; | |
1484 | struct sd_dif_tuple *spt; | |
1485 | ||
1486 | /* Patch the corresponding protection tags */ | |
1487 | scsi_for_each_prot_sg(cmd, sg, | |
1488 | scsi_prot_sg_count(cmd), i) { | |
1489 | num_ent = sg_dma_len(sg) / 8; | |
1490 | if (k + num_ent < blocks_done) { | |
1491 | k += num_ent; | |
1492 | continue; | |
1493 | } | |
1494 | j = blocks_done - k - 1; | |
1495 | k = blocks_done; | |
1496 | break; | |
1497 | } | |
1498 | ||
1499 | if (k != blocks_done) { | |
cfb0919c | 1500 | ql_log(ql_log_warn, vha, 0x302f, |
8ec9c7fb RD |
1501 | "unexpected tag values tag:lba=%x:%llx)\n", |
1502 | e_ref_tag, (unsigned long long)lba_s); | |
8cb2049c AE |
1503 | return 1; |
1504 | } | |
1505 | ||
1506 | spt = page_address(sg_page(sg)) + sg->offset; | |
1507 | spt += j; | |
1508 | ||
1509 | spt->app_tag = 0xffff; | |
1510 | if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) | |
1511 | spt->ref_tag = 0xffffffff; | |
1512 | } | |
1513 | ||
1514 | return 0; | |
1515 | } | |
1516 | ||
bad75002 AE |
1517 | /* check guard */ |
1518 | if (e_guard != a_guard) { | |
1519 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1520 | 0x10, 0x1); | |
1521 | set_driver_byte(cmd, DRIVER_SENSE); | |
1522 | set_host_byte(cmd, DID_ABORT); | |
1523 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1524 | return 1; |
bad75002 AE |
1525 | } |
1526 | ||
e02587d7 AE |
1527 | /* check ref tag */ |
1528 | if (e_ref_tag != a_ref_tag) { | |
bad75002 | 1529 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
e02587d7 | 1530 | 0x10, 0x3); |
bad75002 AE |
1531 | set_driver_byte(cmd, DRIVER_SENSE); |
1532 | set_host_byte(cmd, DID_ABORT); | |
1533 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1534 | return 1; |
bad75002 AE |
1535 | } |
1536 | ||
e02587d7 AE |
1537 | /* check appl tag */ |
1538 | if (e_app_tag != a_app_tag) { | |
bad75002 | 1539 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
e02587d7 | 1540 | 0x10, 0x2); |
bad75002 AE |
1541 | set_driver_byte(cmd, DRIVER_SENSE); |
1542 | set_host_byte(cmd, DID_ABORT); | |
1543 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1544 | return 1; |
bad75002 | 1545 | } |
e02587d7 | 1546 | |
8cb2049c | 1547 | return 1; |
bad75002 AE |
1548 | } |
1549 | ||
1da177e4 LT |
1550 | /** |
1551 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1552 | * @ha: SCSI driver HA context | |
1553 | * @pkt: Entry pointer | |
1554 | */ | |
1555 | static void | |
73208dfd | 1556 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1557 | { |
1da177e4 | 1558 | srb_t *sp; |
1da177e4 LT |
1559 | fc_port_t *fcport; |
1560 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1561 | sts_entry_t *sts; |
1562 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1563 | uint16_t comp_status; |
1564 | uint16_t scsi_status; | |
b7d2280c | 1565 | uint16_t ox_id; |
1da177e4 LT |
1566 | uint8_t lscsi_status; |
1567 | int32_t resid; | |
5544213b AV |
1568 | uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
1569 | fw_resid_len; | |
9a853f71 | 1570 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1571 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1572 | uint32_t handle; |
1573 | uint16_t que; | |
1574 | struct req_que *req; | |
b7d2280c | 1575 | int logit = 1; |
9a853f71 AV |
1576 | |
1577 | sts = (sts_entry_t *) pkt; | |
1578 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1579 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1580 | comp_status = le16_to_cpu(sts24->comp_status); |
1581 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1582 | } else { | |
1583 | comp_status = le16_to_cpu(sts->comp_status); | |
1584 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1585 | } | |
2afa19a9 AC |
1586 | handle = (uint32_t) LSW(sts->handle); |
1587 | que = MSW(sts->handle); | |
1588 | req = ha->req_q_map[que]; | |
a9083016 | 1589 | |
1da177e4 | 1590 | /* Fast path completion. */ |
9a853f71 | 1591 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1592 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1593 | |
1594 | return; | |
1595 | } | |
1596 | ||
1597 | /* Validate handle. */ | |
2afa19a9 AC |
1598 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1599 | sp = req->outstanding_cmds[handle]; | |
1600 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1601 | } else |
1602 | sp = NULL; | |
1603 | ||
1604 | if (sp == NULL) { | |
cfb0919c | 1605 | ql_dbg(ql_dbg_io, vha, 0x3017, |
7c3df132 | 1606 | "Invalid status handle (0x%x).\n", sts->handle); |
1da177e4 | 1607 | |
8f7daead GM |
1608 | if (IS_QLA82XX(ha)) |
1609 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
1610 | else | |
1611 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
e315cd28 | 1612 | qla2xxx_wake_dpc(vha); |
1da177e4 LT |
1613 | return; |
1614 | } | |
1615 | cp = sp->cmd; | |
1616 | if (cp == NULL) { | |
cfb0919c | 1617 | ql_dbg(ql_dbg_io, vha, 0x3018, |
7c3df132 SK |
1618 | "Command already returned (0x%x/%p).\n", |
1619 | sts->handle, sp); | |
1da177e4 LT |
1620 | |
1621 | return; | |
1622 | } | |
1623 | ||
9a853f71 | 1624 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1625 | |
bdf79621 | 1626 | fcport = sp->fcport; |
1da177e4 | 1627 | |
b7d2280c | 1628 | ox_id = 0; |
5544213b AV |
1629 | sense_len = par_sense_len = rsp_info_len = resid_len = |
1630 | fw_resid_len = 0; | |
e428924c | 1631 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1632 | if (scsi_status & SS_SENSE_LEN_VALID) |
1633 | sense_len = le32_to_cpu(sts24->sense_len); | |
1634 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1635 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1636 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1637 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1638 | if (comp_status == CS_DATA_UNDERRUN) | |
1639 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1640 | rsp_info = sts24->data; |
1641 | sense_data = sts24->data; | |
1642 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
b7d2280c | 1643 | ox_id = le16_to_cpu(sts24->ox_id); |
5544213b | 1644 | par_sense_len = sizeof(sts24->data); |
9a853f71 | 1645 | } else { |
0f00a206 LC |
1646 | if (scsi_status & SS_SENSE_LEN_VALID) |
1647 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1648 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1649 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1650 | resid_len = le32_to_cpu(sts->residual_length); |
1651 | rsp_info = sts->rsp_info; | |
1652 | sense_data = sts->req_sense_data; | |
5544213b | 1653 | par_sense_len = sizeof(sts->req_sense_data); |
9a853f71 AV |
1654 | } |
1655 | ||
1da177e4 LT |
1656 | /* Check for any FCP transport errors. */ |
1657 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1658 | /* Sense data lies beyond any FCP RESPONSE data. */ |
5544213b | 1659 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 1660 | sense_data += rsp_info_len; |
5544213b AV |
1661 | par_sense_len -= rsp_info_len; |
1662 | } | |
9a853f71 | 1663 | if (rsp_info_len > 3 && rsp_info[3]) { |
cfb0919c | 1664 | ql_dbg(ql_dbg_io, vha, 0x3019, |
7c3df132 SK |
1665 | "FCP I/O protocol failure (0x%x/0x%x).\n", |
1666 | rsp_info_len, rsp_info[3]); | |
1da177e4 LT |
1667 | |
1668 | cp->result = DID_BUS_BUSY << 16; | |
b7d2280c | 1669 | goto out; |
1da177e4 LT |
1670 | } |
1671 | } | |
1672 | ||
3e8ce320 AV |
1673 | /* Check for overrun. */ |
1674 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1675 | scsi_status & SS_RESIDUAL_OVER) | |
1676 | comp_status = CS_DATA_OVERRUN; | |
1677 | ||
1da177e4 LT |
1678 | /* |
1679 | * Based on Host and scsi status generate status code for Linux | |
1680 | */ | |
1681 | switch (comp_status) { | |
1682 | case CS_COMPLETE: | |
df7baa50 | 1683 | case CS_QUEUE_FULL: |
1da177e4 LT |
1684 | if (scsi_status == 0) { |
1685 | cp->result = DID_OK << 16; | |
1686 | break; | |
1687 | } | |
1688 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1689 | resid = resid_len; |
385d70b4 | 1690 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1691 | |
1692 | if (!lscsi_status && | |
385d70b4 | 1693 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 | 1694 | cp->underflow)) { |
cfb0919c | 1695 | ql_dbg(ql_dbg_io, vha, 0x301a, |
7c3df132 | 1696 | "Mid-layer underflow " |
b7d2280c | 1697 | "detected (0x%x of 0x%x bytes).\n", |
7c3df132 | 1698 | resid, scsi_bufflen(cp)); |
0da69df1 AV |
1699 | |
1700 | cp->result = DID_ERROR << 16; | |
1701 | break; | |
1702 | } | |
1da177e4 | 1703 | } |
1da177e4 LT |
1704 | cp->result = DID_OK << 16 | lscsi_status; |
1705 | ||
df7baa50 | 1706 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
cfb0919c | 1707 | ql_dbg(ql_dbg_io, vha, 0x301b, |
7c3df132 | 1708 | "QUEUE FULL detected.\n"); |
df7baa50 AV |
1709 | break; |
1710 | } | |
b7d2280c | 1711 | logit = 0; |
1da177e4 LT |
1712 | if (lscsi_status != SS_CHECK_CONDITION) |
1713 | break; | |
1714 | ||
b80ca4f7 | 1715 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1716 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1717 | break; | |
1718 | ||
5544213b AV |
1719 | qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
1720 | rsp); | |
1da177e4 LT |
1721 | break; |
1722 | ||
1723 | case CS_DATA_UNDERRUN: | |
ed17c71b | 1724 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1725 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1726 | scsi_set_resid(cp, resid); | |
1727 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1728 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
cfb0919c | 1729 | ql_dbg(ql_dbg_io, vha, 0x301d, |
7c3df132 SK |
1730 | "Dropped frame(s) detected " |
1731 | "(0x%x of 0x%x bytes).\n", | |
1732 | resid, scsi_bufflen(cp)); | |
0f00a206 LC |
1733 | |
1734 | cp->result = DID_ERROR << 16 | lscsi_status; | |
4e85e3d9 | 1735 | goto check_scsi_status; |
6acf8190 | 1736 | } |
ed17c71b | 1737 | |
0f00a206 LC |
1738 | if (!lscsi_status && |
1739 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1740 | cp->underflow)) { | |
cfb0919c | 1741 | ql_dbg(ql_dbg_io, vha, 0x301e, |
7c3df132 | 1742 | "Mid-layer underflow " |
b7d2280c | 1743 | "detected (0x%x of 0x%x bytes).\n", |
7c3df132 | 1744 | resid, scsi_bufflen(cp)); |
e038a1be | 1745 | |
0f00a206 LC |
1746 | cp->result = DID_ERROR << 16; |
1747 | break; | |
1748 | } | |
0374f55e | 1749 | } else { |
cfb0919c | 1750 | ql_dbg(ql_dbg_io, vha, 0x301f, |
7c3df132 SK |
1751 | "Dropped frame(s) detected (0x%x " |
1752 | "of 0x%x bytes).\n", resid, scsi_bufflen(cp)); | |
0f00a206 | 1753 | |
0374f55e LC |
1754 | cp->result = DID_ERROR << 16 | lscsi_status; |
1755 | goto check_scsi_status; | |
1da177e4 LT |
1756 | } |
1757 | ||
0f00a206 | 1758 | cp->result = DID_OK << 16 | lscsi_status; |
b7d2280c | 1759 | logit = 0; |
0f00a206 | 1760 | |
0374f55e | 1761 | check_scsi_status: |
1da177e4 | 1762 | /* |
fa2a1ce5 | 1763 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1764 | * Status. |
1765 | */ | |
1766 | if (lscsi_status != 0) { | |
ffec28a3 | 1767 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
cfb0919c | 1768 | ql_dbg(ql_dbg_io, vha, 0x3020, |
7c3df132 | 1769 | "QUEUE FULL detected.\n"); |
b7d2280c | 1770 | logit = 1; |
ffec28a3 AV |
1771 | break; |
1772 | } | |
1da177e4 LT |
1773 | if (lscsi_status != SS_CHECK_CONDITION) |
1774 | break; | |
1775 | ||
b80ca4f7 | 1776 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1777 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1778 | break; | |
1779 | ||
5544213b AV |
1780 | qla2x00_handle_sense(sp, sense_data, par_sense_len, |
1781 | sense_len, rsp); | |
1da177e4 LT |
1782 | } |
1783 | break; | |
1784 | ||
1da177e4 LT |
1785 | case CS_PORT_LOGGED_OUT: |
1786 | case CS_PORT_CONFIG_CHG: | |
1787 | case CS_PORT_BUSY: | |
1788 | case CS_INCOMPLETE: | |
1789 | case CS_PORT_UNAVAILABLE: | |
b7d2280c | 1790 | case CS_TIMEOUT: |
ff454b01 CD |
1791 | case CS_RESET: |
1792 | ||
056a4483 MC |
1793 | /* |
1794 | * We are going to have the fc class block the rport | |
1795 | * while we try to recover so instruct the mid layer | |
1796 | * to requeue until the class decides how to handle this. | |
1797 | */ | |
1798 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
b7d2280c AV |
1799 | |
1800 | if (comp_status == CS_TIMEOUT) { | |
1801 | if (IS_FWI2_CAPABLE(ha)) | |
1802 | break; | |
1803 | else if ((le16_to_cpu(sts->status_flags) & | |
1804 | SF_LOGOUT_SENT) == 0) | |
1805 | break; | |
1806 | } | |
1807 | ||
7c3df132 SK |
1808 | ql_dbg(ql_dbg_io, vha, 0x3021, |
1809 | "Port down status: port-state=0x%x.\n", | |
1810 | atomic_read(&fcport->state)); | |
b7d2280c | 1811 | |
a7a28504 | 1812 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1813 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1814 | break; |
1815 | ||
1da177e4 | 1816 | case CS_ABORTED: |
1da177e4 LT |
1817 | cp->result = DID_RESET << 16; |
1818 | break; | |
bad75002 AE |
1819 | |
1820 | case CS_DIF_ERROR: | |
8cb2049c | 1821 | logit = qla2x00_handle_dif_error(sp, sts24); |
bad75002 | 1822 | break; |
1da177e4 | 1823 | default: |
1da177e4 LT |
1824 | cp->result = DID_ERROR << 16; |
1825 | break; | |
1826 | } | |
1827 | ||
b7d2280c AV |
1828 | out: |
1829 | if (logit) | |
7c3df132 SK |
1830 | ql_dbg(ql_dbg_io, vha, 0x3022, |
1831 | "FCP command status: 0x%x-0x%x (0x%x) " | |
cfb0919c CD |
1832 | "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " |
1833 | "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " | |
7c3df132 | 1834 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", |
cfb0919c CD |
1835 | comp_status, scsi_status, cp->result, vha->host_no, |
1836 | cp->device->id, cp->device->lun, fcport->d_id.b.domain, | |
1837 | fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, | |
1838 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1839 | cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7], | |
1840 | cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len, | |
7c3df132 | 1841 | resid_len, fw_resid_len); |
b7d2280c | 1842 | |
2afa19a9 | 1843 | if (rsp->status_srb == NULL) |
73208dfd | 1844 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1845 | } |
1846 | ||
1847 | /** | |
1848 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1849 | * @ha: SCSI driver HA context | |
1850 | * @pkt: Entry pointer | |
1851 | * | |
1852 | * Extended sense data. | |
1853 | */ | |
1854 | static void | |
2afa19a9 | 1855 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1856 | { |
1857 | uint8_t sense_sz = 0; | |
2afa19a9 | 1858 | struct qla_hw_data *ha = rsp->hw; |
7c3df132 | 1859 | struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 1860 | srb_t *sp = rsp->status_srb; |
1da177e4 LT |
1861 | struct scsi_cmnd *cp; |
1862 | ||
1863 | if (sp != NULL && sp->request_sense_length != 0) { | |
1864 | cp = sp->cmd; | |
1865 | if (cp == NULL) { | |
7c3df132 SK |
1866 | ql_log(ql_log_warn, vha, 0x3025, |
1867 | "cmd is NULL: already returned to OS (sp=%p).\n", | |
fa2a1ce5 | 1868 | sp); |
1da177e4 | 1869 | |
2afa19a9 | 1870 | rsp->status_srb = NULL; |
1da177e4 LT |
1871 | return; |
1872 | } | |
1873 | ||
1874 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1875 | sense_sz = sizeof(pkt->data); | |
1876 | } else { | |
1877 | sense_sz = sp->request_sense_length; | |
1878 | } | |
1879 | ||
1880 | /* Move sense data. */ | |
e428924c | 1881 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1882 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 | 1883 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
7c3df132 SK |
1884 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, |
1885 | sp->request_sense_ptr, sense_sz); | |
1da177e4 LT |
1886 | |
1887 | sp->request_sense_ptr += sense_sz; | |
1888 | sp->request_sense_length -= sense_sz; | |
1889 | ||
1890 | /* Place command on done queue. */ | |
1891 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1892 | rsp->status_srb = NULL; |
73208dfd | 1893 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1894 | } |
1895 | } | |
1896 | } | |
1897 | ||
1898 | /** | |
1899 | * qla2x00_error_entry() - Process an error entry. | |
1900 | * @ha: SCSI driver HA context | |
1901 | * @pkt: Entry pointer | |
1902 | */ | |
1903 | static void | |
73208dfd | 1904 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1905 | { |
1906 | srb_t *sp; | |
e315cd28 | 1907 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1908 | uint32_t handle = LSW(pkt->handle); |
1909 | uint16_t que = MSW(pkt->handle); | |
1910 | struct req_que *req = ha->req_q_map[que]; | |
7c3df132 | 1911 | |
1da177e4 | 1912 | if (pkt->entry_status & RF_INV_E_ORDER) |
7c3df132 SK |
1913 | ql_dbg(ql_dbg_async, vha, 0x502a, |
1914 | "Invalid Entry Order.\n"); | |
1da177e4 | 1915 | else if (pkt->entry_status & RF_INV_E_COUNT) |
7c3df132 SK |
1916 | ql_dbg(ql_dbg_async, vha, 0x502b, |
1917 | "Invalid Entry Count.\n"); | |
1da177e4 | 1918 | else if (pkt->entry_status & RF_INV_E_PARAM) |
7c3df132 SK |
1919 | ql_dbg(ql_dbg_async, vha, 0x502c, |
1920 | "Invalid Entry Parameter.\n"); | |
1da177e4 | 1921 | else if (pkt->entry_status & RF_INV_E_TYPE) |
7c3df132 SK |
1922 | ql_dbg(ql_dbg_async, vha, 0x502d, |
1923 | "Invalid Entry Type.\n"); | |
1da177e4 | 1924 | else if (pkt->entry_status & RF_BUSY) |
7c3df132 SK |
1925 | ql_dbg(ql_dbg_async, vha, 0x502e, |
1926 | "Busy.\n"); | |
1da177e4 | 1927 | else |
7c3df132 SK |
1928 | ql_dbg(ql_dbg_async, vha, 0x502f, |
1929 | "UNKNOWN flag error.\n"); | |
1da177e4 LT |
1930 | |
1931 | /* Validate handle. */ | |
2afa19a9 AC |
1932 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1933 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1934 | else |
1935 | sp = NULL; | |
1936 | ||
1937 | if (sp) { | |
1938 | /* Free outstanding command slot. */ | |
2afa19a9 | 1939 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1940 | |
1da177e4 LT |
1941 | /* Bad payload or header */ |
1942 | if (pkt->entry_status & | |
1943 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1944 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1945 | sp->cmd->result = DID_ERROR << 16; | |
1946 | } else if (pkt->entry_status & RF_BUSY) { | |
1947 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1948 | } else { | |
1949 | sp->cmd->result = DID_ERROR << 16; | |
1950 | } | |
73208dfd | 1951 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1952 | |
9a853f71 | 1953 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
8f7daead GM |
1954 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 |
1955 | || pkt->entry_type == COMMAND_TYPE_6) { | |
7c3df132 SK |
1956 | ql_log(ql_log_warn, vha, 0x5030, |
1957 | "Error entry - invalid handle.\n"); | |
1da177e4 | 1958 | |
8f7daead GM |
1959 | if (IS_QLA82XX(ha)) |
1960 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
1961 | else | |
1962 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
e315cd28 | 1963 | qla2xxx_wake_dpc(vha); |
1da177e4 LT |
1964 | } |
1965 | } | |
1966 | ||
9a853f71 AV |
1967 | /** |
1968 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1969 | * @ha: SCSI driver HA context | |
1970 | * @mb0: Mailbox0 register | |
1971 | */ | |
1972 | static void | |
e315cd28 | 1973 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1974 | { |
1975 | uint16_t cnt; | |
1976 | uint16_t __iomem *wptr; | |
e315cd28 | 1977 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1978 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1979 | ||
1980 | /* Load return mailbox registers. */ | |
1981 | ha->flags.mbox_int = 1; | |
1982 | ha->mailbox_out[0] = mb0; | |
1983 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1984 | ||
1985 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1986 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1987 | wptr++; | |
1988 | } | |
1989 | ||
cfb0919c CD |
1990 | if (!ha->mcp) |
1991 | ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n"); | |
9a853f71 AV |
1992 | } |
1993 | ||
1994 | /** | |
1995 | * qla24xx_process_response_queue() - Process response queue entries. | |
1996 | * @ha: SCSI driver HA context | |
1997 | */ | |
2afa19a9 AC |
1998 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1999 | struct rsp_que *rsp) | |
9a853f71 | 2000 | { |
9a853f71 | 2001 | struct sts_entry_24xx *pkt; |
a9083016 | 2002 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 2003 | |
e315cd28 | 2004 | if (!vha->flags.online) |
9a853f71 AV |
2005 | return; |
2006 | ||
e315cd28 AC |
2007 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
2008 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 2009 | |
e315cd28 AC |
2010 | rsp->ring_index++; |
2011 | if (rsp->ring_index == rsp->length) { | |
2012 | rsp->ring_index = 0; | |
2013 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 2014 | } else { |
e315cd28 | 2015 | rsp->ring_ptr++; |
9a853f71 AV |
2016 | } |
2017 | ||
2018 | if (pkt->entry_status != 0) { | |
73208dfd | 2019 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
2020 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
2021 | wmb(); | |
2022 | continue; | |
2023 | } | |
2024 | ||
2025 | switch (pkt->entry_type) { | |
2026 | case STATUS_TYPE: | |
73208dfd | 2027 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
2028 | break; |
2029 | case STATUS_CONT_TYPE: | |
2afa19a9 | 2030 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 2031 | break; |
2c3dfe3f | 2032 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 2033 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
2034 | (struct vp_rpt_id_entry_24xx *)pkt); |
2035 | break; | |
ac280b67 AV |
2036 | case LOGINOUT_PORT_IOCB_TYPE: |
2037 | qla24xx_logio_entry(vha, rsp->req, | |
2038 | (struct logio_entry_24xx *)pkt); | |
2039 | break; | |
3822263e MI |
2040 | case TSK_MGMT_IOCB_TYPE: |
2041 | qla24xx_tm_iocb_entry(vha, rsp->req, | |
2042 | (struct tsk_mgmt_entry *)pkt); | |
2043 | break; | |
9a069e19 GM |
2044 | case CT_IOCB_TYPE: |
2045 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
2046 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
2047 | break; | |
2048 | case ELS_IOCB_TYPE: | |
2049 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
2050 | break; | |
54883291 SK |
2051 | case MARKER_TYPE: |
2052 | /* Do nothing in this case, this check is to prevent it | |
2053 | * from falling into default case | |
2054 | */ | |
2055 | break; | |
9a853f71 AV |
2056 | default: |
2057 | /* Type Not Supported. */ | |
7c3df132 SK |
2058 | ql_dbg(ql_dbg_async, vha, 0x5042, |
2059 | "Received unknown response pkt type %x " | |
9a853f71 | 2060 | "entry status=%x.\n", |
7c3df132 | 2061 | pkt->entry_type, pkt->entry_status); |
9a853f71 AV |
2062 | break; |
2063 | } | |
2064 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
2065 | wmb(); | |
2066 | } | |
2067 | ||
2068 | /* Adjust ring index */ | |
a9083016 GM |
2069 | if (IS_QLA82XX(ha)) { |
2070 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
2071 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
2072 | } else | |
2073 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
2074 | } |
2075 | ||
05236a05 | 2076 | static void |
e315cd28 | 2077 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
2078 | { |
2079 | int rval; | |
2080 | uint32_t cnt; | |
e315cd28 | 2081 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
2082 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
2083 | ||
3a03eb79 | 2084 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
2085 | return; |
2086 | ||
2087 | rval = QLA_SUCCESS; | |
2088 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
2089 | RD_REG_DWORD(®->iobase_addr); | |
2090 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2091 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2092 | rval == QLA_SUCCESS; cnt--) { | |
2093 | if (cnt) { | |
2094 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2095 | udelay(10); | |
2096 | } else | |
2097 | rval = QLA_FUNCTION_TIMEOUT; | |
2098 | } | |
2099 | if (rval == QLA_SUCCESS) | |
2100 | goto next_test; | |
2101 | ||
2102 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2103 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2104 | rval == QLA_SUCCESS; cnt--) { | |
2105 | if (cnt) { | |
2106 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2107 | udelay(10); | |
2108 | } else | |
2109 | rval = QLA_FUNCTION_TIMEOUT; | |
2110 | } | |
2111 | if (rval != QLA_SUCCESS) | |
2112 | goto done; | |
2113 | ||
2114 | next_test: | |
2115 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
7c3df132 SK |
2116 | ql_log(ql_log_info, vha, 0x504c, |
2117 | "Additional code -- 0x55AA.\n"); | |
05236a05 AV |
2118 | |
2119 | done: | |
2120 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
2121 | RD_REG_DWORD(®->iobase_window); | |
2122 | } | |
2123 | ||
9a853f71 AV |
2124 | /** |
2125 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2126 | * @irq: | |
2127 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
2128 | * |
2129 | * Called by system whenever the host adapter generates an interrupt. | |
2130 | * | |
2131 | * Returns handled flag. | |
2132 | */ | |
2133 | irqreturn_t | |
7d12e780 | 2134 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 2135 | { |
e315cd28 AC |
2136 | scsi_qla_host_t *vha; |
2137 | struct qla_hw_data *ha; | |
9a853f71 AV |
2138 | struct device_reg_24xx __iomem *reg; |
2139 | int status; | |
9a853f71 AV |
2140 | unsigned long iter; |
2141 | uint32_t stat; | |
2142 | uint32_t hccr; | |
2143 | uint16_t mb[4]; | |
e315cd28 | 2144 | struct rsp_que *rsp; |
43fac4d9 | 2145 | unsigned long flags; |
9a853f71 | 2146 | |
e315cd28 AC |
2147 | rsp = (struct rsp_que *) dev_id; |
2148 | if (!rsp) { | |
9a853f71 | 2149 | printk(KERN_INFO |
7c3df132 | 2150 | "%s(): NULL response queue pointer.\n", __func__); |
9a853f71 AV |
2151 | return IRQ_NONE; |
2152 | } | |
2153 | ||
e315cd28 | 2154 | ha = rsp->hw; |
9a853f71 AV |
2155 | reg = &ha->iobase->isp24; |
2156 | status = 0; | |
2157 | ||
85880801 AV |
2158 | if (unlikely(pci_channel_offline(ha->pdev))) |
2159 | return IRQ_HANDLED; | |
2160 | ||
43fac4d9 | 2161 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2162 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
2163 | for (iter = 50; iter--; ) { |
2164 | stat = RD_REG_DWORD(®->host_status); | |
2165 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2166 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2167 | break; |
2168 | ||
9a853f71 AV |
2169 | hccr = RD_REG_DWORD(®->hccr); |
2170 | ||
7c3df132 SK |
2171 | ql_log(ql_log_warn, vha, 0x504b, |
2172 | "RISC paused -- HCCR=%x, Dumping firmware.\n", | |
2173 | hccr); | |
05236a05 | 2174 | |
e315cd28 | 2175 | qla2xxx_check_risc_status(vha); |
05236a05 | 2176 | |
e315cd28 AC |
2177 | ha->isp_ops->fw_dump(vha, 1); |
2178 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
2179 | break; |
2180 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2181 | break; | |
2182 | ||
2183 | switch (stat & 0xff) { | |
2184 | case 0x1: | |
2185 | case 0x2: | |
2186 | case 0x10: | |
2187 | case 0x11: | |
e315cd28 | 2188 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
2189 | status |= MBX_INTERRUPT; |
2190 | ||
2191 | break; | |
2192 | case 0x12: | |
2193 | mb[0] = MSW(stat); | |
2194 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2195 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2196 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2197 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
2198 | break; |
2199 | case 0x13: | |
73208dfd | 2200 | case 0x14: |
2afa19a9 | 2201 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2202 | break; |
2203 | default: | |
7c3df132 SK |
2204 | ql_dbg(ql_dbg_async, vha, 0x504f, |
2205 | "Unrecognized interrupt type (%d).\n", stat * 0xff); | |
9a853f71 AV |
2206 | break; |
2207 | } | |
2208 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2209 | RD_REG_DWORD_RELAXED(®->hccr); | |
2210 | } | |
43fac4d9 | 2211 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2212 | |
2213 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2214 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2215 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2216 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2217 | } |
2218 | ||
2219 | return IRQ_HANDLED; | |
2220 | } | |
2221 | ||
a8488abe AV |
2222 | static irqreturn_t |
2223 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2224 | { | |
e315cd28 AC |
2225 | struct qla_hw_data *ha; |
2226 | struct rsp_que *rsp; | |
a8488abe | 2227 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2228 | struct scsi_qla_host *vha; |
0f19bc68 | 2229 | unsigned long flags; |
a8488abe | 2230 | |
e315cd28 AC |
2231 | rsp = (struct rsp_que *) dev_id; |
2232 | if (!rsp) { | |
2233 | printk(KERN_INFO | |
7c3df132 | 2234 | "%s(): NULL response queue pointer.\n", __func__); |
e315cd28 AC |
2235 | return IRQ_NONE; |
2236 | } | |
2237 | ha = rsp->hw; | |
a8488abe AV |
2238 | reg = &ha->iobase->isp24; |
2239 | ||
0f19bc68 | 2240 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2241 | |
a67093d4 | 2242 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2243 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2244 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2245 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2246 | RD_REG_DWORD_RELAXED(®->hccr); | |
2247 | } | |
0f19bc68 | 2248 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2249 | |
2250 | return IRQ_HANDLED; | |
2251 | } | |
2252 | ||
68ca949c AC |
2253 | static irqreturn_t |
2254 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2255 | { | |
2256 | struct qla_hw_data *ha; | |
2257 | struct rsp_que *rsp; | |
3155754a | 2258 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2259 | unsigned long flags; |
68ca949c AC |
2260 | |
2261 | rsp = (struct rsp_que *) dev_id; | |
2262 | if (!rsp) { | |
2263 | printk(KERN_INFO | |
7c3df132 | 2264 | "%s(): NULL response queue pointer.\n", __func__); |
68ca949c AC |
2265 | return IRQ_NONE; |
2266 | } | |
2267 | ha = rsp->hw; | |
2268 | ||
3155754a | 2269 | /* Clear the interrupt, if enabled, for this response queue */ |
d424754c | 2270 | if (!ha->flags.disable_msix_handshake) { |
3155754a | 2271 | reg = &ha->iobase->isp24; |
0f19bc68 | 2272 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2273 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2274 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2275 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2276 | } |
68ca949c AC |
2277 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2278 | ||
2279 | return IRQ_HANDLED; | |
2280 | } | |
2281 | ||
a8488abe AV |
2282 | static irqreturn_t |
2283 | qla24xx_msix_default(int irq, void *dev_id) | |
2284 | { | |
e315cd28 AC |
2285 | scsi_qla_host_t *vha; |
2286 | struct qla_hw_data *ha; | |
2287 | struct rsp_que *rsp; | |
a8488abe AV |
2288 | struct device_reg_24xx __iomem *reg; |
2289 | int status; | |
a8488abe AV |
2290 | uint32_t stat; |
2291 | uint32_t hccr; | |
2292 | uint16_t mb[4]; | |
0f19bc68 | 2293 | unsigned long flags; |
a8488abe | 2294 | |
e315cd28 AC |
2295 | rsp = (struct rsp_que *) dev_id; |
2296 | if (!rsp) { | |
7c3df132 SK |
2297 | printk(KERN_INFO |
2298 | "%s(): NULL response queue pointer.\n", __func__); | |
e315cd28 AC |
2299 | return IRQ_NONE; |
2300 | } | |
2301 | ha = rsp->hw; | |
a8488abe AV |
2302 | reg = &ha->iobase->isp24; |
2303 | status = 0; | |
2304 | ||
0f19bc68 | 2305 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2306 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2307 | do { |
a8488abe AV |
2308 | stat = RD_REG_DWORD(®->host_status); |
2309 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2310 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2311 | break; |
2312 | ||
a8488abe AV |
2313 | hccr = RD_REG_DWORD(®->hccr); |
2314 | ||
7c3df132 SK |
2315 | ql_log(ql_log_info, vha, 0x5050, |
2316 | "RISC paused -- HCCR=%x, Dumping firmware.\n", | |
2317 | hccr); | |
05236a05 | 2318 | |
e315cd28 | 2319 | qla2xxx_check_risc_status(vha); |
05236a05 | 2320 | |
e315cd28 AC |
2321 | ha->isp_ops->fw_dump(vha, 1); |
2322 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2323 | break; |
2324 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2325 | break; | |
2326 | ||
2327 | switch (stat & 0xff) { | |
2328 | case 0x1: | |
2329 | case 0x2: | |
2330 | case 0x10: | |
2331 | case 0x11: | |
e315cd28 | 2332 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2333 | status |= MBX_INTERRUPT; |
2334 | ||
2335 | break; | |
2336 | case 0x12: | |
2337 | mb[0] = MSW(stat); | |
2338 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2339 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2340 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2341 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2342 | break; |
2343 | case 0x13: | |
73208dfd | 2344 | case 0x14: |
2afa19a9 | 2345 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2346 | break; |
2347 | default: | |
7c3df132 SK |
2348 | ql_dbg(ql_dbg_async, vha, 0x5051, |
2349 | "Unrecognized interrupt type (%d).\n", stat & 0xff); | |
a8488abe AV |
2350 | break; |
2351 | } | |
2352 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2353 | } while (0); |
0f19bc68 | 2354 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2355 | |
2356 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2357 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2358 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2359 | complete(&ha->mbx_intr_comp); |
a8488abe | 2360 | } |
a8488abe AV |
2361 | return IRQ_HANDLED; |
2362 | } | |
2363 | ||
2364 | /* Interrupt handling helpers. */ | |
2365 | ||
2366 | struct qla_init_msix_entry { | |
a8488abe | 2367 | const char *name; |
476834c2 | 2368 | irq_handler_t handler; |
a8488abe AV |
2369 | }; |
2370 | ||
68ca949c | 2371 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2372 | { "qla2xxx (default)", qla24xx_msix_default }, |
2373 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2374 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2375 | }; |
2376 | ||
a9083016 GM |
2377 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2378 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2379 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2380 | }; | |
2381 | ||
a8488abe | 2382 | static void |
e315cd28 | 2383 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2384 | { |
2385 | int i; | |
2386 | struct qla_msix_entry *qentry; | |
7c3df132 | 2387 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
a8488abe | 2388 | |
73208dfd AC |
2389 | for (i = 0; i < ha->msix_count; i++) { |
2390 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2391 | if (qentry->have_irq) |
73208dfd | 2392 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2393 | } |
2394 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2395 | kfree(ha->msix_entries); |
2396 | ha->msix_entries = NULL; | |
2397 | ha->flags.msix_enabled = 0; | |
7c3df132 SK |
2398 | ql_dbg(ql_dbg_init, vha, 0x0042, |
2399 | "Disabled the MSI.\n"); | |
a8488abe AV |
2400 | } |
2401 | ||
2402 | static int | |
73208dfd | 2403 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2404 | { |
ad038fa8 | 2405 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2406 | int i, ret; |
73208dfd | 2407 | struct msix_entry *entries; |
a8488abe | 2408 | struct qla_msix_entry *qentry; |
7c3df132 | 2409 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
73208dfd AC |
2410 | |
2411 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2412 | GFP_KERNEL); |
7c3df132 SK |
2413 | if (!entries) { |
2414 | ql_log(ql_log_warn, vha, 0x00bc, | |
2415 | "Failed to allocate memory for msix_entry.\n"); | |
73208dfd | 2416 | return -ENOMEM; |
7c3df132 | 2417 | } |
a8488abe | 2418 | |
73208dfd AC |
2419 | for (i = 0; i < ha->msix_count; i++) |
2420 | entries[i].entry = i; | |
a8488abe | 2421 | |
73208dfd | 2422 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2423 | if (ret) { |
ad038fa8 LC |
2424 | if (ret < MIN_MSIX_COUNT) |
2425 | goto msix_failed; | |
2426 | ||
7c3df132 SK |
2427 | ql_log(ql_log_warn, vha, 0x00c6, |
2428 | "MSI-X: Failed to enable support " | |
2429 | "-- %d/%d\n Retry with %d vectors.\n", | |
2430 | ha->msix_count, ret, ret); | |
73208dfd AC |
2431 | ha->msix_count = ret; |
2432 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2433 | if (ret) { | |
ad038fa8 | 2434 | msix_failed: |
7c3df132 SK |
2435 | ql_log(ql_log_fatal, vha, 0x00c7, |
2436 | "MSI-X: Failed to enable support, " | |
2437 | "giving up -- %d/%d.\n", | |
2438 | ha->msix_count, ret); | |
73208dfd AC |
2439 | goto msix_out; |
2440 | } | |
2afa19a9 | 2441 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2442 | } |
2443 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2444 | ha->msix_count, GFP_KERNEL); | |
2445 | if (!ha->msix_entries) { | |
7c3df132 SK |
2446 | ql_log(ql_log_fatal, vha, 0x00c8, |
2447 | "Failed to allocate memory for ha->msix_entries.\n"); | |
73208dfd | 2448 | ret = -ENOMEM; |
a8488abe AV |
2449 | goto msix_out; |
2450 | } | |
2451 | ha->flags.msix_enabled = 1; | |
2452 | ||
73208dfd AC |
2453 | for (i = 0; i < ha->msix_count; i++) { |
2454 | qentry = &ha->msix_entries[i]; | |
2455 | qentry->vector = entries[i].vector; | |
2456 | qentry->entry = entries[i].entry; | |
a8488abe | 2457 | qentry->have_irq = 0; |
73208dfd | 2458 | qentry->rsp = NULL; |
a8488abe AV |
2459 | } |
2460 | ||
2afa19a9 AC |
2461 | /* Enable MSI-X vectors for the base queue */ |
2462 | for (i = 0; i < 2; i++) { | |
2463 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2464 | if (IS_QLA82XX(ha)) { |
2465 | ret = request_irq(qentry->vector, | |
2466 | qla82xx_msix_entries[i].handler, | |
2467 | 0, qla82xx_msix_entries[i].name, rsp); | |
2468 | } else { | |
2469 | ret = request_irq(qentry->vector, | |
2470 | msix_entries[i].handler, | |
2471 | 0, msix_entries[i].name, rsp); | |
2472 | } | |
2afa19a9 | 2473 | if (ret) { |
7c3df132 SK |
2474 | ql_log(ql_log_fatal, vha, 0x00cb, |
2475 | "MSI-X: unable to register handler -- %x/%d.\n", | |
2476 | qentry->vector, ret); | |
2afa19a9 AC |
2477 | qla24xx_disable_msix(ha); |
2478 | ha->mqenable = 0; | |
2479 | goto msix_out; | |
2480 | } | |
2481 | qentry->have_irq = 1; | |
2482 | qentry->rsp = rsp; | |
2483 | rsp->msix = qentry; | |
73208dfd | 2484 | } |
73208dfd AC |
2485 | |
2486 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2487 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2488 | ha->mqenable = 1; |
7c3df132 SK |
2489 | ql_dbg(ql_dbg_multiq, vha, 0xc005, |
2490 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", | |
2491 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); | |
2492 | ql_dbg(ql_dbg_init, vha, 0x0055, | |
2493 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", | |
2494 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); | |
73208dfd | 2495 | |
a8488abe | 2496 | msix_out: |
73208dfd | 2497 | kfree(entries); |
a8488abe AV |
2498 | return ret; |
2499 | } | |
2500 | ||
2501 | int | |
73208dfd | 2502 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2503 | { |
2504 | int ret; | |
963b0fdd | 2505 | device_reg_t __iomem *reg = ha->iobase; |
7c3df132 | 2506 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
a8488abe AV |
2507 | |
2508 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2509 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2510 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2511 | goto skip_msi; |
2512 | ||
2513 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2514 | (ha->pdev->subsystem_device == 0x7040 || | |
2515 | ha->pdev->subsystem_device == 0x7041 || | |
2516 | ha->pdev->subsystem_device == 0x1705)) { | |
7c3df132 SK |
2517 | ql_log(ql_log_warn, vha, 0x0034, |
2518 | "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", | |
6377a7ae | 2519 | ha->pdev->subsystem_vendor, |
7c3df132 | 2520 | ha->pdev->subsystem_device); |
6377a7ae BH |
2521 | goto skip_msi; |
2522 | } | |
a8488abe | 2523 | |
42cd4f5d | 2524 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { |
7c3df132 SK |
2525 | ql_log(ql_log_warn, vha, 0x0035, |
2526 | "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", | |
42cd4f5d | 2527 | ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); |
a8488abe AV |
2528 | goto skip_msix; |
2529 | } | |
2530 | ||
73208dfd | 2531 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe | 2532 | if (!ret) { |
7c3df132 SK |
2533 | ql_dbg(ql_dbg_init, vha, 0x0036, |
2534 | "MSI-X: Enabled (0x%X, 0x%X).\n", | |
2535 | ha->chip_revision, ha->fw_attributes); | |
963b0fdd | 2536 | goto clear_risc_ints; |
a8488abe | 2537 | } |
7c3df132 SK |
2538 | ql_log(ql_log_info, vha, 0x0037, |
2539 | "MSI-X Falling back-to MSI mode -%d.\n", ret); | |
a8488abe | 2540 | skip_msix: |
cbedb601 | 2541 | |
3a03eb79 AV |
2542 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2543 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2544 | goto skip_msi; |
2545 | ||
2546 | ret = pci_enable_msi(ha->pdev); | |
2547 | if (!ret) { | |
7c3df132 SK |
2548 | ql_dbg(ql_dbg_init, vha, 0x0038, |
2549 | "MSI: Enabled.\n"); | |
cbedb601 | 2550 | ha->flags.msi_enabled = 1; |
a9083016 | 2551 | } else |
7c3df132 SK |
2552 | ql_log(ql_log_warn, vha, 0x0039, |
2553 | "MSI-X; Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2554 | skip_msi: |
2555 | ||
fd34f556 | 2556 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
7992abfc MH |
2557 | ha->flags.msi_enabled ? 0 : IRQF_SHARED, |
2558 | QLA2XXX_DRIVER_NAME, rsp); | |
963b0fdd | 2559 | if (ret) { |
7c3df132 | 2560 | ql_log(ql_log_warn, vha, 0x003a, |
a8488abe AV |
2561 | "Failed to reserve interrupt %d already in use.\n", |
2562 | ha->pdev->irq); | |
963b0fdd AV |
2563 | goto fail; |
2564 | } | |
7992abfc | 2565 | |
963b0fdd AV |
2566 | clear_risc_ints: |
2567 | ||
3a03eb79 AV |
2568 | /* |
2569 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2570 | * Timing deltas during MSI-X/INTa transitions? | |
2571 | */ | |
a9083016 | 2572 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2573 | goto fail; |
c6952483 | 2574 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2575 | if (IS_FWI2_CAPABLE(ha)) { |
2576 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2577 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2578 | } else { | |
2579 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2580 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2581 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2582 | } |
c6952483 | 2583 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2584 | |
963b0fdd | 2585 | fail: |
a8488abe AV |
2586 | return ret; |
2587 | } | |
2588 | ||
2589 | void | |
e315cd28 | 2590 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2591 | { |
e315cd28 | 2592 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2593 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2594 | |
2595 | if (ha->flags.msix_enabled) | |
2596 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2597 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2598 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2599 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2600 | } else |
2601 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2602 | } |
e315cd28 | 2603 | |
73208dfd AC |
2604 | |
2605 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2606 | { | |
2607 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2608 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd | 2609 | struct qla_msix_entry *msix = rsp->msix; |
7c3df132 | 2610 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
73208dfd AC |
2611 | int ret; |
2612 | ||
2613 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2614 | if (ret) { | |
7c3df132 SK |
2615 | ql_log(ql_log_fatal, vha, 0x00e6, |
2616 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2617 | msix->vector, ret); | |
73208dfd AC |
2618 | return ret; |
2619 | } | |
2620 | msix->have_irq = 1; | |
2621 | msix->rsp = rsp; | |
2622 | return ret; | |
2623 | } |