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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 | ||
265 | if (ha->mcp) { | |
7c3df132 SK |
266 | ql_dbg(ql_dbg_async, vha, 0x5000, |
267 | "Got mbx completion. cmd=%x.\n", ha->mcp->mb[0]); | |
1da177e4 | 268 | } else { |
7c3df132 SK |
269 | ql_dbg(ql_dbg_async, vha, 0x5001, |
270 | "MBX pointer ERROR.\n"); | |
1da177e4 LT |
271 | } |
272 | } | |
273 | ||
8a659571 AV |
274 | static void |
275 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
276 | { | |
277 | static char *event[] = | |
278 | { "Complete", "Request Notification", "Time Extension" }; | |
279 | int rval; | |
280 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
281 | uint16_t __iomem *wptr; | |
282 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
283 | ||
284 | /* Seed data -- mailbox1 -> mailbox7. */ | |
285 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
286 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
287 | mb[cnt] = RD_REG_WORD(wptr); | |
288 | ||
7c3df132 SK |
289 | ql_dbg(ql_dbg_async, vha, 0x5021, |
290 | "Inter-Driver Commucation %s -- " | |
291 | "%04x %04x %04x %04x %04x %04x %04x.\n", | |
292 | event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], | |
293 | mb[4], mb[5], mb[6]); | |
8a659571 AV |
294 | |
295 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
296 | timeout = (descr >> 8) & 0xf; | |
297 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
298 | return; | |
299 | ||
7c3df132 SK |
300 | ql_dbg(ql_dbg_async, vha, 0x5022, |
301 | "Inter-Driver Commucation %s -- ACK timeout=%d.\n", | |
302 | vha->host_no, event[aen & 0xff], timeout); | |
8a659571 AV |
303 | |
304 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
305 | if (rval != QLA_SUCCESS) | |
7c3df132 | 306 | ql_log(ql_log_warn, vha, 0x5023, |
8a659571 AV |
307 | "IDC failed to post ACK.\n"); |
308 | } | |
309 | ||
1da177e4 LT |
310 | /** |
311 | * qla2x00_async_event() - Process aynchronous events. | |
312 | * @ha: SCSI driver HA context | |
9a853f71 | 313 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 314 | */ |
2c3dfe3f | 315 | void |
73208dfd | 316 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 317 | { |
9a853f71 | 318 | #define LS_UNKNOWN 2 |
3a03eb79 | 319 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 320 | char *link_speed; |
1da177e4 | 321 | uint16_t handle_cnt; |
bdab23da | 322 | uint16_t cnt, mbx; |
1da177e4 | 323 | uint32_t handles[5]; |
e315cd28 | 324 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 325 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 326 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
bc5c2aad | 327 | struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; |
1da177e4 LT |
328 | uint32_t rscn_entry, host_pid; |
329 | uint8_t rscn_queue_index; | |
4d4df193 | 330 | unsigned long flags; |
1da177e4 LT |
331 | |
332 | /* Setup to process RIO completion. */ | |
333 | handle_cnt = 0; | |
a9083016 | 334 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 335 | goto skip_rio; |
1da177e4 LT |
336 | switch (mb[0]) { |
337 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 338 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
339 | handle_cnt = 1; |
340 | break; | |
341 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 342 | handles[0] = mb[1]; |
1da177e4 LT |
343 | handle_cnt = 1; |
344 | mb[0] = MBA_SCSI_COMPLETION; | |
345 | break; | |
346 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
347 | handles[0] = mb[1]; |
348 | handles[1] = mb[2]; | |
1da177e4 LT |
349 | handle_cnt = 2; |
350 | mb[0] = MBA_SCSI_COMPLETION; | |
351 | break; | |
352 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
353 | handles[0] = mb[1]; |
354 | handles[1] = mb[2]; | |
355 | handles[2] = mb[3]; | |
1da177e4 LT |
356 | handle_cnt = 3; |
357 | mb[0] = MBA_SCSI_COMPLETION; | |
358 | break; | |
359 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
360 | handles[0] = mb[1]; |
361 | handles[1] = mb[2]; | |
362 | handles[2] = mb[3]; | |
1da177e4 LT |
363 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
364 | handle_cnt = 4; | |
365 | mb[0] = MBA_SCSI_COMPLETION; | |
366 | break; | |
367 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
368 | handles[0] = mb[1]; |
369 | handles[1] = mb[2]; | |
370 | handles[2] = mb[3]; | |
1da177e4 LT |
371 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
372 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
373 | handle_cnt = 5; | |
374 | mb[0] = MBA_SCSI_COMPLETION; | |
375 | break; | |
376 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 377 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
378 | handles[1] = le32_to_cpu( |
379 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
380 | RD_MAILBOX_REG(ha, reg, 6)); | |
381 | handle_cnt = 2; | |
382 | mb[0] = MBA_SCSI_COMPLETION; | |
383 | break; | |
384 | default: | |
385 | break; | |
386 | } | |
3a03eb79 | 387 | skip_rio: |
1da177e4 LT |
388 | switch (mb[0]) { |
389 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 390 | if (!vha->flags.online) |
1da177e4 LT |
391 | break; |
392 | ||
393 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
394 | qla2x00_process_completed_request(vha, rsp->req, |
395 | handles[cnt]); | |
1da177e4 LT |
396 | break; |
397 | ||
398 | case MBA_RESET: /* Reset */ | |
7c3df132 SK |
399 | ql_dbg(ql_dbg_async, vha, 0x5002, |
400 | "Asynchronous RESET.\n"); | |
1da177e4 | 401 | |
e315cd28 | 402 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
403 | break; |
404 | ||
405 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 406 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
7c3df132 | 407 | ql_log(ql_log_warn, vha, 0x5003, |
bdab23da AV |
408 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
409 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 410 | |
e315cd28 | 411 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 412 | |
e428924c | 413 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 414 | if (mb[1] == 0 && mb[2] == 0) { |
7c3df132 | 415 | ql_log(ql_log_fatal, vha, 0x5004, |
9a853f71 AV |
416 | "Unrecoverable Hardware Error: adapter " |
417 | "marked OFFLINE!\n"); | |
e315cd28 | 418 | vha->flags.online = 0; |
b1d46989 | 419 | } else { |
25985edc | 420 | /* Check to see if MPI timeout occurred */ |
b1d46989 MI |
421 | if ((mbx & MBX_3) && (ha->flags.port0)) |
422 | set_bit(MPI_RESET_NEEDED, | |
423 | &vha->dpc_flags); | |
424 | ||
e315cd28 | 425 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
b1d46989 | 426 | } |
9a853f71 | 427 | } else if (mb[1] == 0) { |
7c3df132 | 428 | ql_log(ql_log_fatal, vha, 0x5005, |
1da177e4 LT |
429 | "Unrecoverable Hardware Error: adapter marked " |
430 | "OFFLINE!\n"); | |
e315cd28 | 431 | vha->flags.online = 0; |
1da177e4 | 432 | } else |
e315cd28 | 433 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
434 | break; |
435 | ||
436 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
7c3df132 SK |
437 | ql_log(ql_log_warn, vha, 0x5006, |
438 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 439 | |
e315cd28 | 440 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
441 | break; |
442 | ||
443 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
7c3df132 SK |
444 | ql_log(ql_log_warn, vha, 0x5007, |
445 | "ISP Response Transfer Error.\n"); | |
1da177e4 | 446 | |
e315cd28 | 447 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
448 | break; |
449 | ||
450 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
7c3df132 SK |
451 | ql_dbg(ql_dbg_async, vha, 0x5008, |
452 | "Asynchronous WAKEUP_THRES.\n"); | |
1da177e4 LT |
453 | break; |
454 | ||
455 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
7c3df132 SK |
456 | ql_log(ql_log_info, vha, 0x5009, |
457 | "LIP occurred (%x).\n", mb[1]); | |
1da177e4 | 458 | |
e315cd28 AC |
459 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
460 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
461 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
462 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
463 | } |
464 | ||
e315cd28 AC |
465 | if (vha->vp_idx) { |
466 | atomic_set(&vha->vp_state, VP_FAILED); | |
467 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
468 | } |
469 | ||
e315cd28 AC |
470 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
471 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 472 | |
e315cd28 AC |
473 | vha->flags.management_server_logged_in = 0; |
474 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
475 | break; |
476 | ||
477 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
478 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
479 | link_speed = link_speeds[0]; | |
d8b45213 | 480 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 481 | } else { |
9a853f71 | 482 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
483 | if (mb[1] < 5) |
484 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
485 | else if (mb[1] == 0x13) |
486 | link_speed = link_speeds[5]; | |
1da177e4 LT |
487 | ha->link_data_rate = mb[1]; |
488 | } | |
489 | ||
7c3df132 SK |
490 | ql_log(ql_log_info, vha, 0x500a, |
491 | "LOOP UP detected (%s Gbps).\n", link_speed); | |
1da177e4 | 492 | |
e315cd28 AC |
493 | vha->flags.management_server_logged_in = 0; |
494 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
495 | break; |
496 | ||
497 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 498 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
bc5c2aad | 499 | mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; |
7c3df132 SK |
500 | ql_log(ql_log_info, vha, 0x500b, |
501 | "LOOP DOWN detected (%x %x %x %x).\n", | |
502 | mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 503 | |
e315cd28 AC |
504 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
505 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
506 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
507 | vha->device_flags |= DFLG_NO_CABLE; | |
508 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
509 | } |
510 | ||
e315cd28 AC |
511 | if (vha->vp_idx) { |
512 | atomic_set(&vha->vp_state, VP_FAILED); | |
513 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
514 | } |
515 | ||
e315cd28 | 516 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 517 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 518 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
519 | break; |
520 | ||
521 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
7c3df132 | 522 | ql_log(ql_log_info, vha, 0x500c, |
cc3ef7bc | 523 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 524 | |
e315cd28 AC |
525 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
526 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
527 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
528 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
529 | } |
530 | ||
e315cd28 AC |
531 | if (vha->vp_idx) { |
532 | atomic_set(&vha->vp_state, VP_FAILED); | |
533 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
534 | } |
535 | ||
e315cd28 | 536 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
537 | |
538 | ha->operating_mode = LOOP; | |
e315cd28 AC |
539 | vha->flags.management_server_logged_in = 0; |
540 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
541 | break; |
542 | ||
3a03eb79 | 543 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
544 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
545 | if (IS_QLA2100(ha)) | |
546 | break; | |
547 | ||
23f2ebd1 | 548 | if (IS_QLA8XXX_TYPE(ha)) { |
7c3df132 SK |
549 | ql_dbg(ql_dbg_async, vha, 0x500d, |
550 | "DCBX Completed -- %04x %04x %04x.\n", | |
551 | mb[1], mb[2], mb[3]); | |
23f2ebd1 SR |
552 | if (ha->notify_dcbx_comp) |
553 | complete(&ha->dcbx_comp); | |
554 | ||
555 | } else | |
7c3df132 SK |
556 | ql_dbg(ql_dbg_async, vha, 0x500e, |
557 | "Asynchronous P2P MODE received.\n"); | |
1da177e4 LT |
558 | |
559 | /* | |
560 | * Until there's a transition from loop down to loop up, treat | |
561 | * this as loop down only. | |
562 | */ | |
e315cd28 AC |
563 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
564 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
565 | if (!atomic_read(&vha->loop_down_timer)) | |
566 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 567 | LOOP_DOWN_TIME); |
e315cd28 | 568 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
569 | } |
570 | ||
e315cd28 AC |
571 | if (vha->vp_idx) { |
572 | atomic_set(&vha->vp_state, VP_FAILED); | |
573 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
574 | } |
575 | ||
e315cd28 AC |
576 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
577 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
578 | ||
579 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
580 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
581 | |
582 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 583 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
584 | break; |
585 | ||
586 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
587 | if (IS_QLA2100(ha)) | |
588 | break; | |
589 | ||
7c3df132 | 590 | ql_log(ql_log_info, vha, 0x500f, |
1da177e4 LT |
591 | "Configuration change detected: value=%x.\n", mb[1]); |
592 | ||
e315cd28 AC |
593 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
594 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
595 | if (!atomic_read(&vha->loop_down_timer)) | |
596 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 597 | LOOP_DOWN_TIME); |
e315cd28 | 598 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
599 | } |
600 | ||
e315cd28 AC |
601 | if (vha->vp_idx) { |
602 | atomic_set(&vha->vp_state, VP_FAILED); | |
603 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
604 | } |
605 | ||
e315cd28 AC |
606 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
607 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
608 | break; |
609 | ||
610 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
611 | /* |
612 | * Handle only global and vn-port update events | |
613 | * | |
614 | * Relevant inputs: | |
615 | * mb[1] = N_Port handle of changed port | |
616 | * OR 0xffff for global event | |
617 | * mb[2] = New login state | |
618 | * 7 = Port logged out | |
619 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
620 | * | |
621 | * Skip processing if: | |
622 | * Event is global, vp_idx is NOT all vps, | |
623 | * vp_idx does not match | |
624 | * Event is not global, vp_idx does not match | |
625 | */ | |
12cec63e AV |
626 | if (IS_QLA2XXX_MIDTYPE(ha) && |
627 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
628 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
629 | break; | |
73208dfd | 630 | |
9764ff88 AV |
631 | /* Global event -- port logout or port unavailable. */ |
632 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
7c3df132 SK |
633 | ql_dbg(ql_dbg_async, vha, 0x5010, |
634 | "Port unavailable %04x %04x %04x.\n", | |
635 | mb[1], mb[2], mb[3]); | |
9764ff88 AV |
636 | |
637 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
638 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
639 | atomic_set(&vha->loop_down_timer, | |
640 | LOOP_DOWN_TIME); | |
641 | vha->device_flags |= DFLG_NO_CABLE; | |
642 | qla2x00_mark_all_devices_lost(vha, 1); | |
643 | } | |
644 | ||
645 | if (vha->vp_idx) { | |
646 | atomic_set(&vha->vp_state, VP_FAILED); | |
647 | fc_vport_set_state(vha->fc_vport, | |
648 | FC_VPORT_FAILED); | |
faadc5e7 | 649 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
650 | } |
651 | ||
652 | vha->flags.management_server_logged_in = 0; | |
653 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
654 | break; | |
655 | } | |
656 | ||
1da177e4 | 657 | /* |
cc3ef7bc | 658 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
659 | * event etc. earlier indicating loop is down) then process |
660 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
661 | */ | |
e315cd28 AC |
662 | atomic_set(&vha->loop_down_timer, 0); |
663 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
664 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
7c3df132 SK |
665 | ql_dbg(ql_dbg_async, vha, 0x5011, |
666 | "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", | |
667 | mb[1], mb[2], mb[3]); | |
1da177e4 LT |
668 | break; |
669 | } | |
670 | ||
7c3df132 SK |
671 | ql_dbg(ql_dbg_async, vha, 0x5012, |
672 | "Port database changed %04x %04x %04x.\n", | |
673 | mb[1], mb[2], mb[3]); | |
1da177e4 LT |
674 | |
675 | /* | |
676 | * Mark all devices as missing so we will login again. | |
677 | */ | |
e315cd28 | 678 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 679 | |
e315cd28 | 680 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 681 | |
e315cd28 | 682 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 683 | |
e315cd28 AC |
684 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
685 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
686 | break; |
687 | ||
688 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 689 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 690 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
691 | break; |
692 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 693 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 694 | break; |
0d6e61bc | 695 | |
7c3df132 SK |
696 | ql_dbg(ql_dbg_async, vha, 0x5013, |
697 | "RSCN database changed -- %04x %04x %04x.\n", | |
698 | mb[1], mb[2], mb[3]); | |
1da177e4 | 699 | |
59d72d87 | 700 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
701 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
702 | | vha->d_id.b.al_pa; | |
1da177e4 | 703 | if (rscn_entry == host_pid) { |
7c3df132 SK |
704 | ql_dbg(ql_dbg_async, vha, 0x5014, |
705 | "Ignoring RSCN update to local host " | |
706 | "port ID (%06x).\n", host_pid); | |
1da177e4 LT |
707 | break; |
708 | } | |
709 | ||
59d72d87 RA |
710 | /* Ignore reserved bits from RSCN-payload. */ |
711 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 712 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
713 | if (rscn_queue_index == MAX_RSCN_COUNT) |
714 | rscn_queue_index = 0; | |
e315cd28 AC |
715 | if (rscn_queue_index != vha->rscn_out_ptr) { |
716 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
717 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 718 | } else { |
e315cd28 | 719 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
720 | } |
721 | ||
e315cd28 AC |
722 | atomic_set(&vha->loop_down_timer, 0); |
723 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 724 | |
e315cd28 AC |
725 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
726 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
727 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
728 | break; |
729 | ||
730 | /* case MBA_RIO_RESPONSE: */ | |
731 | case MBA_ZIO_RESPONSE: | |
7c3df132 SK |
732 | ql_dbg(ql_dbg_async, vha, 0x5015, |
733 | "[R|Z]IO update completion.\n"); | |
1da177e4 | 734 | |
e428924c | 735 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 736 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 737 | else |
73208dfd | 738 | qla2x00_process_response_queue(rsp); |
1da177e4 | 739 | break; |
9a853f71 AV |
740 | |
741 | case MBA_DISCARD_RND_FRAME: | |
7c3df132 SK |
742 | ql_dbg(ql_dbg_async, vha, 0x5016, |
743 | "Discard RND Frame -- %04x %04x %04x.\n", | |
744 | mb[1], mb[2], mb[3]); | |
9a853f71 | 745 | break; |
45ebeb56 AV |
746 | |
747 | case MBA_TRACE_NOTIFICATION: | |
7c3df132 SK |
748 | ql_dbg(ql_dbg_async, vha, 0x5017, |
749 | "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); | |
45ebeb56 | 750 | break; |
4d4df193 HK |
751 | |
752 | case MBA_ISP84XX_ALERT: | |
7c3df132 SK |
753 | ql_dbg(ql_dbg_async, vha, 0x5018, |
754 | "ISP84XX Alert Notification -- %04x %04x %04x.\n", | |
755 | mb[1], mb[2], mb[3]); | |
4d4df193 HK |
756 | |
757 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
758 | switch (mb[1]) { | |
759 | case A84_PANIC_RECOVERY: | |
7c3df132 SK |
760 | ql_log(ql_log_info, vha, 0x5019, |
761 | "Alert 84XX: panic recovery %04x %04x.\n", | |
762 | mb[2], mb[3]); | |
4d4df193 HK |
763 | break; |
764 | case A84_OP_LOGIN_COMPLETE: | |
765 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
7c3df132 SK |
766 | ql_log(ql_log_info, vha, 0x501a, |
767 | "Alert 84XX: firmware version %x.\n", | |
768 | ha->cs84xx->op_fw_version); | |
4d4df193 HK |
769 | break; |
770 | case A84_DIAG_LOGIN_COMPLETE: | |
771 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
7c3df132 SK |
772 | ql_log(ql_log_info, vha, 0x501b, |
773 | "Alert 84XX: diagnostic firmware version %x.\n", | |
774 | ha->cs84xx->diag_fw_version); | |
4d4df193 HK |
775 | break; |
776 | case A84_GOLD_LOGIN_COMPLETE: | |
777 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
778 | ha->cs84xx->fw_update = 1; | |
7c3df132 SK |
779 | ql_log(ql_log_info, vha, 0x501c, |
780 | "Alert 84XX: gold firmware version %x.\n", | |
781 | ha->cs84xx->gold_fw_version); | |
4d4df193 HK |
782 | break; |
783 | default: | |
7c3df132 SK |
784 | ql_log(ql_log_warn, vha, 0x501d, |
785 | "Alert 84xx: Invalid Alert %04x %04x %04x.\n", | |
4d4df193 HK |
786 | mb[1], mb[2], mb[3]); |
787 | } | |
788 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
789 | break; | |
3a03eb79 | 790 | case MBA_DCBX_START: |
7c3df132 SK |
791 | ql_dbg(ql_dbg_async, vha, 0x501e, |
792 | "DCBX Started -- %04x %04x %04x.\n", | |
793 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
794 | break; |
795 | case MBA_DCBX_PARAM_UPDATE: | |
7c3df132 SK |
796 | ql_dbg(ql_dbg_async, vha, 0x501f, |
797 | "DCBX Parameters Updated -- %04x %04x %04x.\n", | |
798 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
799 | break; |
800 | case MBA_FCF_CONF_ERR: | |
7c3df132 SK |
801 | ql_dbg(ql_dbg_async, vha, 0x5020, |
802 | "FCF Configuration Error -- %04x %04x %04x.\n", | |
803 | mb[1], mb[2], mb[3]); | |
3a03eb79 AV |
804 | break; |
805 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 806 | case MBA_IDC_NOTIFY: |
3a03eb79 | 807 | case MBA_IDC_TIME_EXT: |
8a659571 | 808 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 809 | break; |
1da177e4 | 810 | } |
2c3dfe3f | 811 | |
e315cd28 | 812 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 813 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
814 | } |
815 | ||
816 | /** | |
817 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
818 | * @ha: SCSI driver HA context | |
819 | * @index: SRB index | |
820 | */ | |
821 | static void | |
73208dfd AC |
822 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
823 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
824 | { |
825 | srb_t *sp; | |
e315cd28 | 826 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
827 | |
828 | /* Validate handle. */ | |
829 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
7c3df132 SK |
830 | ql_log(ql_log_warn, vha, 0x3014, |
831 | "Invalid SCSI command index (%x).\n", index); | |
1da177e4 | 832 | |
8f7daead GM |
833 | if (IS_QLA82XX(ha)) |
834 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
835 | else | |
836 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
837 | return; |
838 | } | |
839 | ||
e315cd28 | 840 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
841 | if (sp) { |
842 | /* Free outstanding command slot. */ | |
e315cd28 | 843 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 844 | |
1da177e4 LT |
845 | /* Save ISP completion status */ |
846 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 847 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 848 | } else { |
7c3df132 | 849 | ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); |
1da177e4 | 850 | |
8f7daead GM |
851 | if (IS_QLA82XX(ha)) |
852 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
853 | else | |
854 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
855 | } |
856 | } | |
857 | ||
ac280b67 AV |
858 | static srb_t * |
859 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
860 | struct req_que *req, void *iocb) | |
861 | { | |
862 | struct qla_hw_data *ha = vha->hw; | |
863 | sts_entry_t *pkt = iocb; | |
864 | srb_t *sp = NULL; | |
865 | uint16_t index; | |
866 | ||
867 | index = LSW(pkt->handle); | |
868 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
7c3df132 SK |
869 | ql_log(ql_log_warn, vha, 0x5031, |
870 | "Invalid command index (%x).\n", index); | |
8f7daead GM |
871 | if (IS_QLA82XX(ha)) |
872 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
873 | else | |
874 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
ac280b67 AV |
875 | goto done; |
876 | } | |
877 | sp = req->outstanding_cmds[index]; | |
878 | if (!sp) { | |
7c3df132 SK |
879 | ql_log(ql_log_warn, vha, 0x5032, |
880 | "Invalid completion handle (%x) -- timed-out.\n", index); | |
ac280b67 AV |
881 | return sp; |
882 | } | |
883 | if (sp->handle != index) { | |
7c3df132 SK |
884 | ql_log(ql_log_warn, vha, 0x5033, |
885 | "SRB handle (%x) mismatch %x.\n", sp->handle, index); | |
ac280b67 AV |
886 | return NULL; |
887 | } | |
9a069e19 | 888 | |
ac280b67 | 889 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 890 | |
ac280b67 AV |
891 | done: |
892 | return sp; | |
893 | } | |
894 | ||
895 | static void | |
896 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
897 | struct mbx_entry *mbx) | |
898 | { | |
899 | const char func[] = "MBX-IOCB"; | |
900 | const char *type; | |
ac280b67 AV |
901 | fc_port_t *fcport; |
902 | srb_t *sp; | |
4916392b MI |
903 | struct srb_iocb *lio; |
904 | struct srb_ctx *ctx; | |
99b0bec7 | 905 | uint16_t *data; |
5ff1d584 | 906 | uint16_t status; |
ac280b67 AV |
907 | |
908 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
909 | if (!sp) | |
910 | return; | |
911 | ||
4916392b MI |
912 | ctx = sp->ctx; |
913 | lio = ctx->u.iocb_cmd; | |
914 | type = ctx->name; | |
ac280b67 | 915 | fcport = sp->fcport; |
4916392b | 916 | data = lio->u.logio.data; |
ac280b67 | 917 | |
5ff1d584 | 918 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 919 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 920 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 | 921 | if (mbx->entry_status) { |
7c3df132 SK |
922 | ql_dbg(ql_dbg_async, vha, 0x5043, |
923 | "Async-%s error entry - portid=%02x%02x%02x " | |
d3fa9e7d AV |
924 | "entry-status=%x status=%x state-flag=%x " |
925 | "status-flags=%x.\n", | |
7c3df132 | 926 | type, fcport->d_id.b.domain, fcport->d_id.b.area, |
d3fa9e7d AV |
927 | fcport->d_id.b.al_pa, mbx->entry_status, |
928 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), | |
7c3df132 | 929 | le16_to_cpu(mbx->status_flags)); |
d3fa9e7d | 930 | |
7c3df132 SK |
931 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5057, |
932 | (uint8_t *)mbx, sizeof(*mbx)); | |
ac280b67 | 933 | |
99b0bec7 | 934 | goto logio_done; |
ac280b67 AV |
935 | } |
936 | ||
5ff1d584 | 937 | status = le16_to_cpu(mbx->status); |
4916392b | 938 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
5ff1d584 AV |
939 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
940 | status = 0; | |
941 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
7c3df132 SK |
942 | ql_dbg(ql_dbg_async, vha, 0x5045, |
943 | "Async-%s complete - portid=%02x%02x%02x mbx1=%x.\n", | |
944 | type, fcport->d_id.b.domain, fcport->d_id.b.area, | |
945 | fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1)); | |
ac280b67 AV |
946 | |
947 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 948 | if (ctx->type == SRB_LOGIN_CMD) { |
99b0bec7 AV |
949 | fcport->port_type = FCT_TARGET; |
950 | if (le16_to_cpu(mbx->mb1) & BIT_0) | |
951 | fcport->port_type = FCT_INITIATOR; | |
6ac52608 | 952 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
99b0bec7 | 953 | fcport->flags |= FCF_FCP2_DEVICE; |
5ff1d584 | 954 | } |
99b0bec7 | 955 | goto logio_done; |
ac280b67 AV |
956 | } |
957 | ||
958 | data[0] = le16_to_cpu(mbx->mb0); | |
959 | switch (data[0]) { | |
960 | case MBS_PORT_ID_USED: | |
961 | data[1] = le16_to_cpu(mbx->mb1); | |
962 | break; | |
963 | case MBS_LOOP_ID_USED: | |
964 | break; | |
965 | default: | |
966 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
967 | break; |
968 | } | |
969 | ||
7c3df132 SK |
970 | ql_log(ql_log_warn, vha, 0x5046, |
971 | "Async-%s failed - portid=%02x%02x%02x status=%x " | |
d3fa9e7d | 972 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", |
7c3df132 | 973 | type, fcport->d_id.b.domain, |
d3fa9e7d | 974 | fcport->d_id.b.area, fcport->d_id.b.al_pa, status, |
ac280b67 AV |
975 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
976 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
7c3df132 | 977 | le16_to_cpu(mbx->mb7)); |
ac280b67 | 978 | |
99b0bec7 | 979 | logio_done: |
4916392b | 980 | lio->done(sp); |
ac280b67 AV |
981 | } |
982 | ||
9bc4f4fb HZ |
983 | static void |
984 | qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
985 | sts_entry_t *pkt, int iocb_type) | |
986 | { | |
987 | const char func[] = "CT_IOCB"; | |
988 | const char *type; | |
989 | struct qla_hw_data *ha = vha->hw; | |
990 | srb_t *sp; | |
991 | struct srb_ctx *sp_bsg; | |
992 | struct fc_bsg_job *bsg_job; | |
993 | uint16_t comp_status; | |
994 | ||
995 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
996 | if (!sp) | |
997 | return; | |
998 | ||
999 | sp_bsg = sp->ctx; | |
1000 | bsg_job = sp_bsg->u.bsg_job; | |
1001 | ||
1002 | type = NULL; | |
1003 | switch (sp_bsg->type) { | |
1004 | case SRB_CT_CMD: | |
1005 | type = "ct pass-through"; | |
1006 | break; | |
1007 | default: | |
7c3df132 SK |
1008 | ql_log(ql_log_warn, vha, 0x5047, |
1009 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); | |
9bc4f4fb HZ |
1010 | return; |
1011 | } | |
1012 | ||
1013 | comp_status = le16_to_cpu(pkt->comp_status); | |
1014 | ||
1015 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1016 | * fc payload to the caller | |
1017 | */ | |
1018 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1019 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
1020 | ||
1021 | if (comp_status != CS_COMPLETE) { | |
1022 | if (comp_status == CS_DATA_UNDERRUN) { | |
1023 | bsg_job->reply->result = DID_OK << 16; | |
1024 | bsg_job->reply->reply_payload_rcv_len = | |
1025 | le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); | |
1026 | ||
7c3df132 SK |
1027 | ql_log(ql_log_warn, vha, 0x5048, |
1028 | "CT pass-through-%s error " | |
9bc4f4fb | 1029 | "comp_status-status=0x%x total_byte = 0x%x.\n", |
7c3df132 SK |
1030 | type, comp_status, |
1031 | bsg_job->reply->reply_payload_rcv_len); | |
9bc4f4fb | 1032 | } else { |
7c3df132 SK |
1033 | ql_log(ql_log_warn, vha, 0x5049, |
1034 | "CT pass-through-%s error " | |
1035 | "comp_status-status=0x%x.\n", type, comp_status); | |
9bc4f4fb HZ |
1036 | bsg_job->reply->result = DID_ERROR << 16; |
1037 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1038 | } | |
7c3df132 SK |
1039 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5058, |
1040 | (uint8_t *)pkt, sizeof(*pkt)); | |
9bc4f4fb | 1041 | } else { |
6eab04a8 | 1042 | bsg_job->reply->result = DID_OK << 16; |
9bc4f4fb HZ |
1043 | bsg_job->reply->reply_payload_rcv_len = |
1044 | bsg_job->reply_payload.payload_len; | |
1045 | bsg_job->reply_len = 0; | |
1046 | } | |
1047 | ||
1048 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
1049 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1050 | ||
1051 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
1052 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
1053 | ||
1054 | if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) | |
1055 | kfree(sp->fcport); | |
1056 | ||
1057 | kfree(sp->ctx); | |
1058 | mempool_free(sp, ha->srb_mempool); | |
1059 | bsg_job->job_done(bsg_job); | |
1060 | } | |
1061 | ||
9a069e19 GM |
1062 | static void |
1063 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1064 | struct sts_entry_24xx *pkt, int iocb_type) | |
1065 | { | |
1066 | const char func[] = "ELS_CT_IOCB"; | |
1067 | const char *type; | |
1068 | struct qla_hw_data *ha = vha->hw; | |
1069 | srb_t *sp; | |
4916392b | 1070 | struct srb_ctx *sp_bsg; |
9a069e19 GM |
1071 | struct fc_bsg_job *bsg_job; |
1072 | uint16_t comp_status; | |
1073 | uint32_t fw_status[3]; | |
1074 | uint8_t* fw_sts_ptr; | |
1075 | ||
1076 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1077 | if (!sp) | |
1078 | return; | |
4916392b MI |
1079 | sp_bsg = sp->ctx; |
1080 | bsg_job = sp_bsg->u.bsg_job; | |
9a069e19 GM |
1081 | |
1082 | type = NULL; | |
4916392b | 1083 | switch (sp_bsg->type) { |
9a069e19 GM |
1084 | case SRB_ELS_CMD_RPT: |
1085 | case SRB_ELS_CMD_HST: | |
1086 | type = "els"; | |
1087 | break; | |
1088 | case SRB_CT_CMD: | |
1089 | type = "ct pass-through"; | |
1090 | break; | |
1091 | default: | |
7c3df132 SK |
1092 | ql_log(ql_log_warn, vha, 0x503e, |
1093 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); | |
9a069e19 GM |
1094 | return; |
1095 | } | |
1096 | ||
1097 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1098 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1099 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
1100 | ||
1101 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1102 | * fc payload to the caller | |
1103 | */ | |
1104 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1105 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); | |
1106 | ||
1107 | if (comp_status != CS_COMPLETE) { | |
1108 | if (comp_status == CS_DATA_UNDERRUN) { | |
1109 | bsg_job->reply->result = DID_OK << 16; | |
1110 | bsg_job->reply->reply_payload_rcv_len = | |
1111 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1112 | ||
7c3df132 SK |
1113 | ql_log(ql_log_info, vha, 0x503f, |
1114 | "ELS-CT pass-through-%s error comp_status-status=0x%x " | |
9a069e19 | 1115 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", |
7c3df132 SK |
1116 | type, comp_status, fw_status[1], fw_status[2], |
1117 | le16_to_cpu(((struct els_sts_entry_24xx *) | |
1118 | pkt)->total_byte_count)); | |
9a069e19 GM |
1119 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
1120 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1121 | } | |
1122 | else { | |
7c3df132 SK |
1123 | ql_log(ql_log_info, vha, 0x5040, |
1124 | "ELS-CT pass-through-%s error comp_status-status=0x%x " | |
9a069e19 | 1125 | "error subcode 1=0x%x error subcode 2=0x%x.\n", |
7c3df132 SK |
1126 | type, comp_status, |
1127 | le16_to_cpu(((struct els_sts_entry_24xx *) | |
1128 | pkt)->error_subcode_1), | |
1129 | le16_to_cpu(((struct els_sts_entry_24xx *) | |
1130 | pkt)->error_subcode_2)); | |
9a069e19 GM |
1131 | bsg_job->reply->result = DID_ERROR << 16; |
1132 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1133 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1134 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1135 | } | |
7c3df132 SK |
1136 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5056, |
1137 | (uint8_t *)pkt, sizeof(*pkt)); | |
9a069e19 GM |
1138 | } |
1139 | else { | |
6eab04a8 | 1140 | bsg_job->reply->result = DID_OK << 16; |
9a069e19 GM |
1141 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; |
1142 | bsg_job->reply_len = 0; | |
1143 | } | |
1144 | ||
1145 | dma_unmap_sg(&ha->pdev->dev, | |
1146 | bsg_job->request_payload.sg_list, | |
1147 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1148 | dma_unmap_sg(&ha->pdev->dev, | |
1149 | bsg_job->reply_payload.sg_list, | |
1150 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
4916392b MI |
1151 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
1152 | (sp_bsg->type == SRB_CT_CMD)) | |
9a069e19 GM |
1153 | kfree(sp->fcport); |
1154 | kfree(sp->ctx); | |
1155 | mempool_free(sp, ha->srb_mempool); | |
1156 | bsg_job->job_done(bsg_job); | |
1157 | } | |
1158 | ||
ac280b67 AV |
1159 | static void |
1160 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1161 | struct logio_entry_24xx *logio) | |
1162 | { | |
1163 | const char func[] = "LOGIO-IOCB"; | |
1164 | const char *type; | |
ac280b67 AV |
1165 | fc_port_t *fcport; |
1166 | srb_t *sp; | |
4916392b MI |
1167 | struct srb_iocb *lio; |
1168 | struct srb_ctx *ctx; | |
99b0bec7 | 1169 | uint16_t *data; |
ac280b67 AV |
1170 | uint32_t iop[2]; |
1171 | ||
1172 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1173 | if (!sp) | |
1174 | return; | |
1175 | ||
4916392b MI |
1176 | ctx = sp->ctx; |
1177 | lio = ctx->u.iocb_cmd; | |
1178 | type = ctx->name; | |
ac280b67 | 1179 | fcport = sp->fcport; |
4916392b | 1180 | data = lio->u.logio.data; |
ac280b67 | 1181 | |
5ff1d584 | 1182 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 1183 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 1184 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 | 1185 | if (logio->entry_status) { |
7c3df132 SK |
1186 | ql_log(ql_log_warn, vha, 0x5034, |
1187 | "Async-%s error entry - " | |
d3fa9e7d | 1188 | "portid=%02x%02x%02x entry-status=%x.\n", |
7c3df132 SK |
1189 | type, fcport->d_id.b.domain, fcport->d_id.b.area, |
1190 | fcport->d_id.b.al_pa, logio->entry_status); | |
1191 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5059, | |
1192 | (uint8_t *)logio, sizeof(*logio)); | |
ac280b67 | 1193 | |
99b0bec7 | 1194 | goto logio_done; |
ac280b67 AV |
1195 | } |
1196 | ||
1197 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
7c3df132 SK |
1198 | ql_dbg(ql_dbg_async, vha, 0x5036, |
1199 | "Async-%s complete - portid=%02x%02x%02x " | |
d3fa9e7d | 1200 | "iop0=%x.\n", |
7c3df132 | 1201 | type, fcport->d_id.b.domain, fcport->d_id.b.area, |
d3fa9e7d | 1202 | fcport->d_id.b.al_pa, |
7c3df132 | 1203 | le32_to_cpu(logio->io_parameter[0])); |
ac280b67 AV |
1204 | |
1205 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 1206 | if (ctx->type != SRB_LOGIN_CMD) |
99b0bec7 | 1207 | goto logio_done; |
ac280b67 AV |
1208 | |
1209 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1210 | if (iop[0] & BIT_4) { | |
1211 | fcport->port_type = FCT_TARGET; | |
1212 | if (iop[0] & BIT_8) | |
8474f3a0 | 1213 | fcport->flags |= FCF_FCP2_DEVICE; |
b0cd579c | 1214 | } else if (iop[0] & BIT_5) |
ac280b67 | 1215 | fcport->port_type = FCT_INITIATOR; |
b0cd579c | 1216 | |
ac280b67 AV |
1217 | if (logio->io_parameter[7] || logio->io_parameter[8]) |
1218 | fcport->supported_classes |= FC_COS_CLASS2; | |
1219 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1220 | fcport->supported_classes |= FC_COS_CLASS3; | |
1221 | ||
99b0bec7 | 1222 | goto logio_done; |
ac280b67 AV |
1223 | } |
1224 | ||
1225 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1226 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1227 | switch (iop[0]) { | |
1228 | case LSC_SCODE_PORTID_USED: | |
1229 | data[0] = MBS_PORT_ID_USED; | |
1230 | data[1] = LSW(iop[1]); | |
1231 | break; | |
1232 | case LSC_SCODE_NPORT_USED: | |
1233 | data[0] = MBS_LOOP_ID_USED; | |
1234 | break; | |
ac280b67 AV |
1235 | default: |
1236 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
1237 | break; |
1238 | } | |
1239 | ||
7c3df132 SK |
1240 | ql_dbg(ql_dbg_async, vha, 0x5037, |
1241 | "Async-%s failed - portid=%02x%02x%02x comp=%x " | |
d3fa9e7d | 1242 | "iop0=%x iop1=%x.\n", |
7c3df132 | 1243 | type, fcport->d_id.b.domain, |
d3fa9e7d | 1244 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
ac280b67 AV |
1245 | le16_to_cpu(logio->comp_status), |
1246 | le32_to_cpu(logio->io_parameter[0]), | |
7c3df132 | 1247 | le32_to_cpu(logio->io_parameter[1])); |
ac280b67 | 1248 | |
99b0bec7 | 1249 | logio_done: |
4916392b | 1250 | lio->done(sp); |
ac280b67 AV |
1251 | } |
1252 | ||
3822263e MI |
1253 | static void |
1254 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1255 | struct tsk_mgmt_entry *tsk) | |
1256 | { | |
1257 | const char func[] = "TMF-IOCB"; | |
1258 | const char *type; | |
1259 | fc_port_t *fcport; | |
1260 | srb_t *sp; | |
1261 | struct srb_iocb *iocb; | |
1262 | struct srb_ctx *ctx; | |
1263 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; | |
1264 | int error = 1; | |
1265 | ||
1266 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); | |
1267 | if (!sp) | |
1268 | return; | |
1269 | ||
1270 | ctx = sp->ctx; | |
1271 | iocb = ctx->u.iocb_cmd; | |
1272 | type = ctx->name; | |
1273 | fcport = sp->fcport; | |
1274 | ||
1275 | if (sts->entry_status) { | |
7c3df132 SK |
1276 | ql_log(ql_log_warn, vha, 0x5038, |
1277 | "Async-%s error - entry-status(%x).\n", | |
1278 | type, sts->entry_status); | |
3822263e | 1279 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { |
7c3df132 SK |
1280 | ql_log(ql_log_warn, vha, 0x5039, |
1281 | "Async-%s error - completion status(%x).\n", | |
1282 | type, sts->comp_status); | |
3822263e MI |
1283 | } else if (!(le16_to_cpu(sts->scsi_status) & |
1284 | SS_RESPONSE_INFO_LEN_VALID)) { | |
7c3df132 SK |
1285 | ql_log(ql_log_warn, vha, 0x503a, |
1286 | "Async-%s error - no response info(%x).\n", | |
1287 | type, sts->scsi_status); | |
3822263e | 1288 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { |
7c3df132 SK |
1289 | ql_log(ql_log_warn, vha, 0x503b, |
1290 | "Async-%s error - not enough response(%d).\n", | |
1291 | type, sts->rsp_data_len); | |
3822263e | 1292 | } else if (sts->data[3]) { |
7c3df132 SK |
1293 | ql_log(ql_log_warn, vha, 0x503c, |
1294 | "Async-%s error - response(%x).\n", | |
1295 | type, sts->data[3]); | |
3822263e MI |
1296 | } else { |
1297 | error = 0; | |
1298 | } | |
1299 | ||
1300 | if (error) { | |
1301 | iocb->u.tmf.data = error; | |
7c3df132 SK |
1302 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, |
1303 | (uint8_t *)sts, sizeof(*sts)); | |
3822263e MI |
1304 | } |
1305 | ||
1306 | iocb->done(sp); | |
1307 | } | |
1308 | ||
1da177e4 LT |
1309 | /** |
1310 | * qla2x00_process_response_queue() - Process response queue entries. | |
1311 | * @ha: SCSI driver HA context | |
1312 | */ | |
1313 | void | |
73208dfd | 1314 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1315 | { |
73208dfd AC |
1316 | struct scsi_qla_host *vha; |
1317 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1318 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1319 | sts_entry_t *pkt; |
1320 | uint16_t handle_cnt; | |
1321 | uint16_t cnt; | |
73208dfd | 1322 | |
2afa19a9 | 1323 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1324 | |
e315cd28 | 1325 | if (!vha->flags.online) |
1da177e4 LT |
1326 | return; |
1327 | ||
e315cd28 AC |
1328 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1329 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1330 | |
e315cd28 AC |
1331 | rsp->ring_index++; |
1332 | if (rsp->ring_index == rsp->length) { | |
1333 | rsp->ring_index = 0; | |
1334 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1335 | } else { |
e315cd28 | 1336 | rsp->ring_ptr++; |
1da177e4 LT |
1337 | } |
1338 | ||
1339 | if (pkt->entry_status != 0) { | |
7c3df132 SK |
1340 | ql_log(ql_log_warn, vha, 0x5035, |
1341 | "Process error entry.\n"); | |
1da177e4 | 1342 | |
73208dfd | 1343 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1344 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1345 | wmb(); | |
1346 | continue; | |
1347 | } | |
1348 | ||
1349 | switch (pkt->entry_type) { | |
1350 | case STATUS_TYPE: | |
73208dfd | 1351 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1352 | break; |
1353 | case STATUS_TYPE_21: | |
1354 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1355 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1356 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1357 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1358 | } | |
1359 | break; | |
1360 | case STATUS_TYPE_22: | |
1361 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1362 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1363 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1364 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1365 | } | |
1366 | break; | |
1367 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1368 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1369 | break; |
ac280b67 AV |
1370 | case MBX_IOCB_TYPE: |
1371 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1372 | (struct mbx_entry *)pkt); | |
3822263e | 1373 | break; |
9bc4f4fb HZ |
1374 | case CT_IOCB_TYPE: |
1375 | qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1376 | break; | |
1da177e4 LT |
1377 | default: |
1378 | /* Type Not Supported. */ | |
7c3df132 SK |
1379 | ql_log(ql_log_warn, vha, 0x504a, |
1380 | "Received unknown response pkt type %x " | |
1da177e4 | 1381 | "entry status=%x.\n", |
7c3df132 | 1382 | pkt->entry_type, pkt->entry_status); |
1da177e4 LT |
1383 | break; |
1384 | } | |
1385 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1386 | wmb(); | |
1387 | } | |
1388 | ||
1389 | /* Adjust ring index */ | |
e315cd28 | 1390 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1391 | } |
1392 | ||
4733fcb1 | 1393 | static inline void |
5544213b AV |
1394 | |
1395 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, | |
1396 | uint32_t sense_len, struct rsp_que *rsp) | |
4733fcb1 | 1397 | { |
7c3df132 | 1398 | struct scsi_qla_host *vha = sp->fcport->vha; |
4733fcb1 AV |
1399 | struct scsi_cmnd *cp = sp->cmd; |
1400 | ||
1401 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1402 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1403 | ||
4733fcb1 AV |
1404 | sp->request_sense_length = sense_len; |
1405 | sp->request_sense_ptr = cp->sense_buffer; | |
5544213b AV |
1406 | if (sp->request_sense_length > par_sense_len) |
1407 | sense_len = par_sense_len; | |
4733fcb1 AV |
1408 | |
1409 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1410 | ||
1411 | sp->request_sense_ptr += sense_len; | |
1412 | sp->request_sense_length -= sense_len; | |
1413 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1414 | rsp->status_srb = sp; |
4733fcb1 | 1415 | |
7c3df132 SK |
1416 | ql_dbg(ql_dbg_io, vha, 0x301c, |
1417 | "Check condition Sense data, scsi(%ld:%d:%d:%d) cmd=%p.\n", | |
1418 | sp->fcport->vha->host_no, cp->device->channel, cp->device->id, | |
1419 | cp->device->lun, cp); | |
4733fcb1 | 1420 | if (sense_len) |
7c3df132 SK |
1421 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, |
1422 | cp->sense_buffer, sense_len); | |
4733fcb1 AV |
1423 | } |
1424 | ||
bad75002 AE |
1425 | struct scsi_dif_tuple { |
1426 | __be16 guard; /* Checksum */ | |
1427 | __be16 app_tag; /* APPL identifer */ | |
1428 | __be32 ref_tag; /* Target LBA or indirect LBA */ | |
1429 | }; | |
1430 | ||
1431 | /* | |
1432 | * Checks the guard or meta-data for the type of error | |
1433 | * detected by the HBA. In case of errors, we set the | |
1434 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST | |
1435 | * to indicate to the kernel that the HBA detected error. | |
1436 | */ | |
8cb2049c | 1437 | static inline int |
bad75002 AE |
1438 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) |
1439 | { | |
7c3df132 | 1440 | struct scsi_qla_host *vha = sp->fcport->vha; |
bad75002 | 1441 | struct scsi_cmnd *cmd = sp->cmd; |
8cb2049c AE |
1442 | uint8_t *ap = &sts24->data[12]; |
1443 | uint8_t *ep = &sts24->data[20]; | |
bad75002 AE |
1444 | uint32_t e_ref_tag, a_ref_tag; |
1445 | uint16_t e_app_tag, a_app_tag; | |
1446 | uint16_t e_guard, a_guard; | |
1447 | ||
8cb2049c AE |
1448 | /* |
1449 | * swab32 of the "data" field in the beginning of qla2x00_status_entry() | |
1450 | * would make guard field appear at offset 2 | |
1451 | */ | |
1452 | a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); | |
1453 | a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); | |
1454 | a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); | |
1455 | e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); | |
1456 | e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); | |
1457 | e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); | |
bad75002 | 1458 | |
7c3df132 SK |
1459 | ql_dbg(ql_dbg_io, vha, 0x3023, |
1460 | "iocb(s) %p Returned STATUS.\n", sts24); | |
bad75002 | 1461 | |
7c3df132 SK |
1462 | ql_dbg(ql_dbg_io, vha, 0x3024, |
1463 | "DIF ERROR in cmd 0x%x lba 0x%llx act ref" | |
bad75002 | 1464 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" |
7c3df132 | 1465 | " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", |
bad75002 | 1466 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, |
7c3df132 | 1467 | a_app_tag, e_app_tag, a_guard, e_guard); |
bad75002 | 1468 | |
8cb2049c AE |
1469 | /* |
1470 | * Ignore sector if: | |
1471 | * For type 3: ref & app tag is all 'f's | |
1472 | * For type 0,1,2: app tag is all 'f's | |
1473 | */ | |
1474 | if ((a_app_tag == 0xffff) && | |
1475 | ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || | |
1476 | (a_ref_tag == 0xffffffff))) { | |
1477 | uint32_t blocks_done, resid; | |
1478 | sector_t lba_s = scsi_get_lba(cmd); | |
1479 | ||
1480 | /* 2TB boundary case covered automatically with this */ | |
1481 | blocks_done = e_ref_tag - (uint32_t)lba_s + 1; | |
1482 | ||
1483 | resid = scsi_bufflen(cmd) - (blocks_done * | |
1484 | cmd->device->sector_size); | |
1485 | ||
1486 | scsi_set_resid(cmd, resid); | |
1487 | cmd->result = DID_OK << 16; | |
1488 | ||
1489 | /* Update protection tag */ | |
1490 | if (scsi_prot_sg_count(cmd)) { | |
1491 | uint32_t i, j = 0, k = 0, num_ent; | |
1492 | struct scatterlist *sg; | |
1493 | struct sd_dif_tuple *spt; | |
1494 | ||
1495 | /* Patch the corresponding protection tags */ | |
1496 | scsi_for_each_prot_sg(cmd, sg, | |
1497 | scsi_prot_sg_count(cmd), i) { | |
1498 | num_ent = sg_dma_len(sg) / 8; | |
1499 | if (k + num_ent < blocks_done) { | |
1500 | k += num_ent; | |
1501 | continue; | |
1502 | } | |
1503 | j = blocks_done - k - 1; | |
1504 | k = blocks_done; | |
1505 | break; | |
1506 | } | |
1507 | ||
1508 | if (k != blocks_done) { | |
1509 | qla_printk(KERN_WARNING, sp->fcport->vha->hw, | |
1510 | "unexpected tag values tag:lba=%x:%lx)\n", | |
1511 | e_ref_tag, lba_s); | |
1512 | return 1; | |
1513 | } | |
1514 | ||
1515 | spt = page_address(sg_page(sg)) + sg->offset; | |
1516 | spt += j; | |
1517 | ||
1518 | spt->app_tag = 0xffff; | |
1519 | if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) | |
1520 | spt->ref_tag = 0xffffffff; | |
1521 | } | |
1522 | ||
1523 | return 0; | |
1524 | } | |
1525 | ||
bad75002 AE |
1526 | /* check guard */ |
1527 | if (e_guard != a_guard) { | |
1528 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1529 | 0x10, 0x1); | |
1530 | set_driver_byte(cmd, DRIVER_SENSE); | |
1531 | set_host_byte(cmd, DID_ABORT); | |
1532 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1533 | return 1; |
bad75002 AE |
1534 | } |
1535 | ||
e02587d7 AE |
1536 | /* check ref tag */ |
1537 | if (e_ref_tag != a_ref_tag) { | |
bad75002 | 1538 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
e02587d7 | 1539 | 0x10, 0x3); |
bad75002 AE |
1540 | set_driver_byte(cmd, DRIVER_SENSE); |
1541 | set_host_byte(cmd, DID_ABORT); | |
1542 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1543 | return 1; |
bad75002 AE |
1544 | } |
1545 | ||
e02587d7 AE |
1546 | /* check appl tag */ |
1547 | if (e_app_tag != a_app_tag) { | |
bad75002 | 1548 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
e02587d7 | 1549 | 0x10, 0x2); |
bad75002 AE |
1550 | set_driver_byte(cmd, DRIVER_SENSE); |
1551 | set_host_byte(cmd, DID_ABORT); | |
1552 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
8cb2049c | 1553 | return 1; |
bad75002 | 1554 | } |
e02587d7 | 1555 | |
8cb2049c | 1556 | return 1; |
bad75002 AE |
1557 | } |
1558 | ||
1da177e4 LT |
1559 | /** |
1560 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1561 | * @ha: SCSI driver HA context | |
1562 | * @pkt: Entry pointer | |
1563 | */ | |
1564 | static void | |
73208dfd | 1565 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1566 | { |
1da177e4 | 1567 | srb_t *sp; |
1da177e4 LT |
1568 | fc_port_t *fcport; |
1569 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1570 | sts_entry_t *sts; |
1571 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1572 | uint16_t comp_status; |
1573 | uint16_t scsi_status; | |
b7d2280c | 1574 | uint16_t ox_id; |
1da177e4 LT |
1575 | uint8_t lscsi_status; |
1576 | int32_t resid; | |
5544213b AV |
1577 | uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
1578 | fw_resid_len; | |
9a853f71 | 1579 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1580 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1581 | uint32_t handle; |
1582 | uint16_t que; | |
1583 | struct req_que *req; | |
b7d2280c | 1584 | int logit = 1; |
9a853f71 AV |
1585 | |
1586 | sts = (sts_entry_t *) pkt; | |
1587 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1588 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1589 | comp_status = le16_to_cpu(sts24->comp_status); |
1590 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1591 | } else { | |
1592 | comp_status = le16_to_cpu(sts->comp_status); | |
1593 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1594 | } | |
2afa19a9 AC |
1595 | handle = (uint32_t) LSW(sts->handle); |
1596 | que = MSW(sts->handle); | |
1597 | req = ha->req_q_map[que]; | |
a9083016 | 1598 | |
1da177e4 | 1599 | /* Fast path completion. */ |
9a853f71 | 1600 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1601 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1602 | |
1603 | return; | |
1604 | } | |
1605 | ||
1606 | /* Validate handle. */ | |
2afa19a9 AC |
1607 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1608 | sp = req->outstanding_cmds[handle]; | |
1609 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1610 | } else |
1611 | sp = NULL; | |
1612 | ||
1613 | if (sp == NULL) { | |
7c3df132 SK |
1614 | ql_log(ql_log_warn, vha, 0x3017, |
1615 | "Invalid status handle (0x%x).\n", sts->handle); | |
1da177e4 | 1616 | |
8f7daead GM |
1617 | if (IS_QLA82XX(ha)) |
1618 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
1619 | else | |
1620 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
e315cd28 | 1621 | qla2xxx_wake_dpc(vha); |
1da177e4 LT |
1622 | return; |
1623 | } | |
1624 | cp = sp->cmd; | |
1625 | if (cp == NULL) { | |
7c3df132 SK |
1626 | ql_log(ql_log_warn, vha, 0x3018, |
1627 | "Command already returned (0x%x/%p).\n", | |
1628 | sts->handle, sp); | |
1da177e4 LT |
1629 | |
1630 | return; | |
1631 | } | |
1632 | ||
9a853f71 | 1633 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1634 | |
bdf79621 | 1635 | fcport = sp->fcport; |
1da177e4 | 1636 | |
b7d2280c | 1637 | ox_id = 0; |
5544213b AV |
1638 | sense_len = par_sense_len = rsp_info_len = resid_len = |
1639 | fw_resid_len = 0; | |
e428924c | 1640 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1641 | if (scsi_status & SS_SENSE_LEN_VALID) |
1642 | sense_len = le32_to_cpu(sts24->sense_len); | |
1643 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1644 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1645 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1646 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1647 | if (comp_status == CS_DATA_UNDERRUN) | |
1648 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1649 | rsp_info = sts24->data; |
1650 | sense_data = sts24->data; | |
1651 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
b7d2280c | 1652 | ox_id = le16_to_cpu(sts24->ox_id); |
5544213b | 1653 | par_sense_len = sizeof(sts24->data); |
9a853f71 | 1654 | } else { |
0f00a206 LC |
1655 | if (scsi_status & SS_SENSE_LEN_VALID) |
1656 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1657 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1658 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1659 | resid_len = le32_to_cpu(sts->residual_length); |
1660 | rsp_info = sts->rsp_info; | |
1661 | sense_data = sts->req_sense_data; | |
5544213b | 1662 | par_sense_len = sizeof(sts->req_sense_data); |
9a853f71 AV |
1663 | } |
1664 | ||
1da177e4 LT |
1665 | /* Check for any FCP transport errors. */ |
1666 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1667 | /* Sense data lies beyond any FCP RESPONSE data. */ |
5544213b | 1668 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 1669 | sense_data += rsp_info_len; |
5544213b AV |
1670 | par_sense_len -= rsp_info_len; |
1671 | } | |
9a853f71 | 1672 | if (rsp_info_len > 3 && rsp_info[3]) { |
7c3df132 SK |
1673 | ql_log(ql_log_warn, vha, 0x3019, |
1674 | "FCP I/O protocol failure (0x%x/0x%x).\n", | |
1675 | rsp_info_len, rsp_info[3]); | |
1da177e4 LT |
1676 | |
1677 | cp->result = DID_BUS_BUSY << 16; | |
b7d2280c | 1678 | goto out; |
1da177e4 LT |
1679 | } |
1680 | } | |
1681 | ||
3e8ce320 AV |
1682 | /* Check for overrun. */ |
1683 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1684 | scsi_status & SS_RESIDUAL_OVER) | |
1685 | comp_status = CS_DATA_OVERRUN; | |
1686 | ||
1da177e4 LT |
1687 | /* |
1688 | * Based on Host and scsi status generate status code for Linux | |
1689 | */ | |
1690 | switch (comp_status) { | |
1691 | case CS_COMPLETE: | |
df7baa50 | 1692 | case CS_QUEUE_FULL: |
1da177e4 LT |
1693 | if (scsi_status == 0) { |
1694 | cp->result = DID_OK << 16; | |
1695 | break; | |
1696 | } | |
1697 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1698 | resid = resid_len; |
385d70b4 | 1699 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1700 | |
1701 | if (!lscsi_status && | |
385d70b4 | 1702 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 | 1703 | cp->underflow)) { |
7c3df132 SK |
1704 | ql_log(ql_log_warn, vha, 0x301a, |
1705 | "Mid-layer underflow " | |
b7d2280c | 1706 | "detected (0x%x of 0x%x bytes).\n", |
7c3df132 | 1707 | resid, scsi_bufflen(cp)); |
0da69df1 AV |
1708 | |
1709 | cp->result = DID_ERROR << 16; | |
1710 | break; | |
1711 | } | |
1da177e4 | 1712 | } |
1da177e4 LT |
1713 | cp->result = DID_OK << 16 | lscsi_status; |
1714 | ||
df7baa50 | 1715 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
7c3df132 SK |
1716 | ql_log(ql_log_warn, vha, 0x301b, |
1717 | "QUEUE FULL detected.\n"); | |
df7baa50 AV |
1718 | break; |
1719 | } | |
b7d2280c | 1720 | logit = 0; |
1da177e4 LT |
1721 | if (lscsi_status != SS_CHECK_CONDITION) |
1722 | break; | |
1723 | ||
b80ca4f7 | 1724 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1725 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1726 | break; | |
1727 | ||
5544213b AV |
1728 | qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
1729 | rsp); | |
1da177e4 LT |
1730 | break; |
1731 | ||
1732 | case CS_DATA_UNDERRUN: | |
ed17c71b | 1733 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1734 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1735 | scsi_set_resid(cp, resid); | |
1736 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1737 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
7c3df132 SK |
1738 | ql_log(ql_log_warn, vha, 0x301d, |
1739 | "Dropped frame(s) detected " | |
1740 | "(0x%x of 0x%x bytes).\n", | |
1741 | resid, scsi_bufflen(cp)); | |
0f00a206 LC |
1742 | |
1743 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1744 | break; | |
6acf8190 | 1745 | } |
ed17c71b | 1746 | |
0f00a206 LC |
1747 | if (!lscsi_status && |
1748 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1749 | cp->underflow)) { | |
7c3df132 SK |
1750 | ql_log(ql_log_warn, vha, 0x301e, |
1751 | "Mid-layer underflow " | |
b7d2280c | 1752 | "detected (0x%x of 0x%x bytes).\n", |
7c3df132 | 1753 | resid, scsi_bufflen(cp)); |
e038a1be | 1754 | |
0f00a206 LC |
1755 | cp->result = DID_ERROR << 16; |
1756 | break; | |
1757 | } | |
0374f55e | 1758 | } else { |
7c3df132 SK |
1759 | ql_log(ql_log_warn, vha, 0x301f, |
1760 | "Dropped frame(s) detected (0x%x " | |
1761 | "of 0x%x bytes).\n", resid, scsi_bufflen(cp)); | |
0f00a206 | 1762 | |
0374f55e LC |
1763 | cp->result = DID_ERROR << 16 | lscsi_status; |
1764 | goto check_scsi_status; | |
1da177e4 LT |
1765 | } |
1766 | ||
0f00a206 | 1767 | cp->result = DID_OK << 16 | lscsi_status; |
b7d2280c | 1768 | logit = 0; |
0f00a206 | 1769 | |
0374f55e | 1770 | check_scsi_status: |
1da177e4 | 1771 | /* |
fa2a1ce5 | 1772 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1773 | * Status. |
1774 | */ | |
1775 | if (lscsi_status != 0) { | |
ffec28a3 | 1776 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
7c3df132 SK |
1777 | ql_log(ql_log_warn, vha, 0x3020, |
1778 | "QUEUE FULL detected.\n"); | |
b7d2280c | 1779 | logit = 1; |
ffec28a3 AV |
1780 | break; |
1781 | } | |
1da177e4 LT |
1782 | if (lscsi_status != SS_CHECK_CONDITION) |
1783 | break; | |
1784 | ||
b80ca4f7 | 1785 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1786 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1787 | break; | |
1788 | ||
5544213b AV |
1789 | qla2x00_handle_sense(sp, sense_data, par_sense_len, |
1790 | sense_len, rsp); | |
1da177e4 LT |
1791 | } |
1792 | break; | |
1793 | ||
1da177e4 LT |
1794 | case CS_PORT_LOGGED_OUT: |
1795 | case CS_PORT_CONFIG_CHG: | |
1796 | case CS_PORT_BUSY: | |
1797 | case CS_INCOMPLETE: | |
1798 | case CS_PORT_UNAVAILABLE: | |
b7d2280c | 1799 | case CS_TIMEOUT: |
ff454b01 CD |
1800 | case CS_RESET: |
1801 | ||
056a4483 MC |
1802 | /* |
1803 | * We are going to have the fc class block the rport | |
1804 | * while we try to recover so instruct the mid layer | |
1805 | * to requeue until the class decides how to handle this. | |
1806 | */ | |
1807 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
b7d2280c AV |
1808 | |
1809 | if (comp_status == CS_TIMEOUT) { | |
1810 | if (IS_FWI2_CAPABLE(ha)) | |
1811 | break; | |
1812 | else if ((le16_to_cpu(sts->status_flags) & | |
1813 | SF_LOGOUT_SENT) == 0) | |
1814 | break; | |
1815 | } | |
1816 | ||
7c3df132 SK |
1817 | ql_dbg(ql_dbg_io, vha, 0x3021, |
1818 | "Port down status: port-state=0x%x.\n", | |
1819 | atomic_read(&fcport->state)); | |
b7d2280c | 1820 | |
a7a28504 | 1821 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1822 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1823 | break; |
1824 | ||
1da177e4 | 1825 | case CS_ABORTED: |
1da177e4 LT |
1826 | cp->result = DID_RESET << 16; |
1827 | break; | |
bad75002 AE |
1828 | |
1829 | case CS_DIF_ERROR: | |
8cb2049c | 1830 | logit = qla2x00_handle_dif_error(sp, sts24); |
bad75002 | 1831 | break; |
1da177e4 | 1832 | default: |
1da177e4 LT |
1833 | cp->result = DID_ERROR << 16; |
1834 | break; | |
1835 | } | |
1836 | ||
b7d2280c AV |
1837 | out: |
1838 | if (logit) | |
7c3df132 SK |
1839 | ql_dbg(ql_dbg_io, vha, 0x3022, |
1840 | "FCP command status: 0x%x-0x%x (0x%x) " | |
1841 | "oxid=0x%x cdb=%02x%02x%02x len=0x%x " | |
1842 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", | |
1843 | comp_status, scsi_status, cp->result, ox_id, cp->cmnd[0], | |
1844 | cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len, | |
1845 | resid_len, fw_resid_len); | |
b7d2280c | 1846 | |
2afa19a9 | 1847 | if (rsp->status_srb == NULL) |
73208dfd | 1848 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1849 | } |
1850 | ||
1851 | /** | |
1852 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1853 | * @ha: SCSI driver HA context | |
1854 | * @pkt: Entry pointer | |
1855 | * | |
1856 | * Extended sense data. | |
1857 | */ | |
1858 | static void | |
2afa19a9 | 1859 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1860 | { |
1861 | uint8_t sense_sz = 0; | |
2afa19a9 | 1862 | struct qla_hw_data *ha = rsp->hw; |
7c3df132 | 1863 | struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 1864 | srb_t *sp = rsp->status_srb; |
1da177e4 LT |
1865 | struct scsi_cmnd *cp; |
1866 | ||
1867 | if (sp != NULL && sp->request_sense_length != 0) { | |
1868 | cp = sp->cmd; | |
1869 | if (cp == NULL) { | |
7c3df132 SK |
1870 | ql_log(ql_log_warn, vha, 0x3025, |
1871 | "cmd is NULL: already returned to OS (sp=%p).\n", | |
fa2a1ce5 | 1872 | sp); |
1da177e4 | 1873 | |
2afa19a9 | 1874 | rsp->status_srb = NULL; |
1da177e4 LT |
1875 | return; |
1876 | } | |
1877 | ||
1878 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1879 | sense_sz = sizeof(pkt->data); | |
1880 | } else { | |
1881 | sense_sz = sp->request_sense_length; | |
1882 | } | |
1883 | ||
1884 | /* Move sense data. */ | |
e428924c | 1885 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1886 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 | 1887 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
7c3df132 SK |
1888 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, |
1889 | sp->request_sense_ptr, sense_sz); | |
1da177e4 LT |
1890 | |
1891 | sp->request_sense_ptr += sense_sz; | |
1892 | sp->request_sense_length -= sense_sz; | |
1893 | ||
1894 | /* Place command on done queue. */ | |
1895 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1896 | rsp->status_srb = NULL; |
73208dfd | 1897 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1898 | } |
1899 | } | |
1900 | } | |
1901 | ||
1902 | /** | |
1903 | * qla2x00_error_entry() - Process an error entry. | |
1904 | * @ha: SCSI driver HA context | |
1905 | * @pkt: Entry pointer | |
1906 | */ | |
1907 | static void | |
73208dfd | 1908 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1909 | { |
1910 | srb_t *sp; | |
e315cd28 | 1911 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1912 | uint32_t handle = LSW(pkt->handle); |
1913 | uint16_t que = MSW(pkt->handle); | |
1914 | struct req_que *req = ha->req_q_map[que]; | |
7c3df132 | 1915 | |
1da177e4 | 1916 | if (pkt->entry_status & RF_INV_E_ORDER) |
7c3df132 SK |
1917 | ql_dbg(ql_dbg_async, vha, 0x502a, |
1918 | "Invalid Entry Order.\n"); | |
1da177e4 | 1919 | else if (pkt->entry_status & RF_INV_E_COUNT) |
7c3df132 SK |
1920 | ql_dbg(ql_dbg_async, vha, 0x502b, |
1921 | "Invalid Entry Count.\n"); | |
1da177e4 | 1922 | else if (pkt->entry_status & RF_INV_E_PARAM) |
7c3df132 SK |
1923 | ql_dbg(ql_dbg_async, vha, 0x502c, |
1924 | "Invalid Entry Parameter.\n"); | |
1da177e4 | 1925 | else if (pkt->entry_status & RF_INV_E_TYPE) |
7c3df132 SK |
1926 | ql_dbg(ql_dbg_async, vha, 0x502d, |
1927 | "Invalid Entry Type.\n"); | |
1da177e4 | 1928 | else if (pkt->entry_status & RF_BUSY) |
7c3df132 SK |
1929 | ql_dbg(ql_dbg_async, vha, 0x502e, |
1930 | "Busy.\n"); | |
1da177e4 | 1931 | else |
7c3df132 SK |
1932 | ql_dbg(ql_dbg_async, vha, 0x502f, |
1933 | "UNKNOWN flag error.\n"); | |
1da177e4 LT |
1934 | |
1935 | /* Validate handle. */ | |
2afa19a9 AC |
1936 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1937 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1938 | else |
1939 | sp = NULL; | |
1940 | ||
1941 | if (sp) { | |
1942 | /* Free outstanding command slot. */ | |
2afa19a9 | 1943 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1944 | |
1da177e4 LT |
1945 | /* Bad payload or header */ |
1946 | if (pkt->entry_status & | |
1947 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1948 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1949 | sp->cmd->result = DID_ERROR << 16; | |
1950 | } else if (pkt->entry_status & RF_BUSY) { | |
1951 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1952 | } else { | |
1953 | sp->cmd->result = DID_ERROR << 16; | |
1954 | } | |
73208dfd | 1955 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1956 | |
9a853f71 | 1957 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
8f7daead GM |
1958 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 |
1959 | || pkt->entry_type == COMMAND_TYPE_6) { | |
7c3df132 SK |
1960 | ql_log(ql_log_warn, vha, 0x5030, |
1961 | "Error entry - invalid handle.\n"); | |
1da177e4 | 1962 | |
8f7daead GM |
1963 | if (IS_QLA82XX(ha)) |
1964 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); | |
1965 | else | |
1966 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
e315cd28 | 1967 | qla2xxx_wake_dpc(vha); |
1da177e4 LT |
1968 | } |
1969 | } | |
1970 | ||
9a853f71 AV |
1971 | /** |
1972 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1973 | * @ha: SCSI driver HA context | |
1974 | * @mb0: Mailbox0 register | |
1975 | */ | |
1976 | static void | |
e315cd28 | 1977 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1978 | { |
1979 | uint16_t cnt; | |
1980 | uint16_t __iomem *wptr; | |
e315cd28 | 1981 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1982 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1983 | ||
1984 | /* Load return mailbox registers. */ | |
1985 | ha->flags.mbox_int = 1; | |
1986 | ha->mailbox_out[0] = mb0; | |
1987 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1988 | ||
1989 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1990 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1991 | wptr++; | |
1992 | } | |
1993 | ||
1994 | if (ha->mcp) { | |
7c3df132 SK |
1995 | ql_dbg(ql_dbg_async, vha, 0x504d, |
1996 | "Got mailbox completion. cmd=%x.\n", ha->mcp->mb[0]); | |
9a853f71 | 1997 | } else { |
7c3df132 SK |
1998 | ql_dbg(ql_dbg_async, vha, 0x504e, |
1999 | "MBX pointer ERROR.\n"); | |
9a853f71 AV |
2000 | } |
2001 | } | |
2002 | ||
2003 | /** | |
2004 | * qla24xx_process_response_queue() - Process response queue entries. | |
2005 | * @ha: SCSI driver HA context | |
2006 | */ | |
2afa19a9 AC |
2007 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
2008 | struct rsp_que *rsp) | |
9a853f71 | 2009 | { |
9a853f71 | 2010 | struct sts_entry_24xx *pkt; |
a9083016 | 2011 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 2012 | |
e315cd28 | 2013 | if (!vha->flags.online) |
9a853f71 AV |
2014 | return; |
2015 | ||
e315cd28 AC |
2016 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
2017 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 2018 | |
e315cd28 AC |
2019 | rsp->ring_index++; |
2020 | if (rsp->ring_index == rsp->length) { | |
2021 | rsp->ring_index = 0; | |
2022 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 2023 | } else { |
e315cd28 | 2024 | rsp->ring_ptr++; |
9a853f71 AV |
2025 | } |
2026 | ||
2027 | if (pkt->entry_status != 0) { | |
7c3df132 SK |
2028 | ql_dbg(ql_dbg_async, vha, 0x5029, |
2029 | "Process error entry.\n"); | |
9a853f71 | 2030 | |
73208dfd | 2031 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
2032 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
2033 | wmb(); | |
2034 | continue; | |
2035 | } | |
2036 | ||
2037 | switch (pkt->entry_type) { | |
2038 | case STATUS_TYPE: | |
73208dfd | 2039 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
2040 | break; |
2041 | case STATUS_CONT_TYPE: | |
2afa19a9 | 2042 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 2043 | break; |
2c3dfe3f | 2044 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 2045 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
2046 | (struct vp_rpt_id_entry_24xx *)pkt); |
2047 | break; | |
ac280b67 AV |
2048 | case LOGINOUT_PORT_IOCB_TYPE: |
2049 | qla24xx_logio_entry(vha, rsp->req, | |
2050 | (struct logio_entry_24xx *)pkt); | |
2051 | break; | |
3822263e MI |
2052 | case TSK_MGMT_IOCB_TYPE: |
2053 | qla24xx_tm_iocb_entry(vha, rsp->req, | |
2054 | (struct tsk_mgmt_entry *)pkt); | |
2055 | break; | |
9a069e19 GM |
2056 | case CT_IOCB_TYPE: |
2057 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
2058 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
2059 | break; | |
2060 | case ELS_IOCB_TYPE: | |
2061 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
2062 | break; | |
9a853f71 AV |
2063 | default: |
2064 | /* Type Not Supported. */ | |
7c3df132 SK |
2065 | ql_dbg(ql_dbg_async, vha, 0x5042, |
2066 | "Received unknown response pkt type %x " | |
9a853f71 | 2067 | "entry status=%x.\n", |
7c3df132 | 2068 | pkt->entry_type, pkt->entry_status); |
9a853f71 AV |
2069 | break; |
2070 | } | |
2071 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
2072 | wmb(); | |
2073 | } | |
2074 | ||
2075 | /* Adjust ring index */ | |
a9083016 GM |
2076 | if (IS_QLA82XX(ha)) { |
2077 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
2078 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
2079 | } else | |
2080 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
2081 | } |
2082 | ||
05236a05 | 2083 | static void |
e315cd28 | 2084 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
2085 | { |
2086 | int rval; | |
2087 | uint32_t cnt; | |
e315cd28 | 2088 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
2089 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
2090 | ||
3a03eb79 | 2091 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
2092 | return; |
2093 | ||
2094 | rval = QLA_SUCCESS; | |
2095 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
2096 | RD_REG_DWORD(®->iobase_addr); | |
2097 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2098 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2099 | rval == QLA_SUCCESS; cnt--) { | |
2100 | if (cnt) { | |
2101 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2102 | udelay(10); | |
2103 | } else | |
2104 | rval = QLA_FUNCTION_TIMEOUT; | |
2105 | } | |
2106 | if (rval == QLA_SUCCESS) | |
2107 | goto next_test; | |
2108 | ||
2109 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2110 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2111 | rval == QLA_SUCCESS; cnt--) { | |
2112 | if (cnt) { | |
2113 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2114 | udelay(10); | |
2115 | } else | |
2116 | rval = QLA_FUNCTION_TIMEOUT; | |
2117 | } | |
2118 | if (rval != QLA_SUCCESS) | |
2119 | goto done; | |
2120 | ||
2121 | next_test: | |
2122 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
7c3df132 SK |
2123 | ql_log(ql_log_info, vha, 0x504c, |
2124 | "Additional code -- 0x55AA.\n"); | |
05236a05 AV |
2125 | |
2126 | done: | |
2127 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
2128 | RD_REG_DWORD(®->iobase_window); | |
2129 | } | |
2130 | ||
9a853f71 AV |
2131 | /** |
2132 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2133 | * @irq: | |
2134 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
2135 | * |
2136 | * Called by system whenever the host adapter generates an interrupt. | |
2137 | * | |
2138 | * Returns handled flag. | |
2139 | */ | |
2140 | irqreturn_t | |
7d12e780 | 2141 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 2142 | { |
e315cd28 AC |
2143 | scsi_qla_host_t *vha; |
2144 | struct qla_hw_data *ha; | |
9a853f71 AV |
2145 | struct device_reg_24xx __iomem *reg; |
2146 | int status; | |
9a853f71 AV |
2147 | unsigned long iter; |
2148 | uint32_t stat; | |
2149 | uint32_t hccr; | |
2150 | uint16_t mb[4]; | |
e315cd28 | 2151 | struct rsp_que *rsp; |
43fac4d9 | 2152 | unsigned long flags; |
9a853f71 | 2153 | |
e315cd28 AC |
2154 | rsp = (struct rsp_que *) dev_id; |
2155 | if (!rsp) { | |
9a853f71 | 2156 | printk(KERN_INFO |
7c3df132 | 2157 | "%s(): NULL response queue pointer.\n", __func__); |
9a853f71 AV |
2158 | return IRQ_NONE; |
2159 | } | |
2160 | ||
e315cd28 | 2161 | ha = rsp->hw; |
9a853f71 AV |
2162 | reg = &ha->iobase->isp24; |
2163 | status = 0; | |
2164 | ||
85880801 AV |
2165 | if (unlikely(pci_channel_offline(ha->pdev))) |
2166 | return IRQ_HANDLED; | |
2167 | ||
43fac4d9 | 2168 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2169 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
2170 | for (iter = 50; iter--; ) { |
2171 | stat = RD_REG_DWORD(®->host_status); | |
2172 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2173 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2174 | break; |
2175 | ||
9a853f71 AV |
2176 | hccr = RD_REG_DWORD(®->hccr); |
2177 | ||
7c3df132 SK |
2178 | ql_log(ql_log_warn, vha, 0x504b, |
2179 | "RISC paused -- HCCR=%x, Dumping firmware.\n", | |
2180 | hccr); | |
05236a05 | 2181 | |
e315cd28 | 2182 | qla2xxx_check_risc_status(vha); |
05236a05 | 2183 | |
e315cd28 AC |
2184 | ha->isp_ops->fw_dump(vha, 1); |
2185 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
2186 | break; |
2187 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2188 | break; | |
2189 | ||
2190 | switch (stat & 0xff) { | |
2191 | case 0x1: | |
2192 | case 0x2: | |
2193 | case 0x10: | |
2194 | case 0x11: | |
e315cd28 | 2195 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
2196 | status |= MBX_INTERRUPT; |
2197 | ||
2198 | break; | |
2199 | case 0x12: | |
2200 | mb[0] = MSW(stat); | |
2201 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2202 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2203 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2204 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
2205 | break; |
2206 | case 0x13: | |
73208dfd | 2207 | case 0x14: |
2afa19a9 | 2208 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2209 | break; |
2210 | default: | |
7c3df132 SK |
2211 | ql_dbg(ql_dbg_async, vha, 0x504f, |
2212 | "Unrecognized interrupt type (%d).\n", stat * 0xff); | |
9a853f71 AV |
2213 | break; |
2214 | } | |
2215 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2216 | RD_REG_DWORD_RELAXED(®->hccr); | |
2217 | } | |
43fac4d9 | 2218 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2219 | |
2220 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2221 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2222 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2223 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2224 | } |
2225 | ||
2226 | return IRQ_HANDLED; | |
2227 | } | |
2228 | ||
a8488abe AV |
2229 | static irqreturn_t |
2230 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2231 | { | |
e315cd28 AC |
2232 | struct qla_hw_data *ha; |
2233 | struct rsp_que *rsp; | |
a8488abe | 2234 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2235 | struct scsi_qla_host *vha; |
0f19bc68 | 2236 | unsigned long flags; |
a8488abe | 2237 | |
e315cd28 AC |
2238 | rsp = (struct rsp_que *) dev_id; |
2239 | if (!rsp) { | |
2240 | printk(KERN_INFO | |
7c3df132 | 2241 | "%s(): NULL response queue pointer.\n", __func__); |
e315cd28 AC |
2242 | return IRQ_NONE; |
2243 | } | |
2244 | ha = rsp->hw; | |
a8488abe AV |
2245 | reg = &ha->iobase->isp24; |
2246 | ||
0f19bc68 | 2247 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2248 | |
a67093d4 | 2249 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2250 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2251 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2252 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2253 | RD_REG_DWORD_RELAXED(®->hccr); | |
2254 | } | |
0f19bc68 | 2255 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2256 | |
2257 | return IRQ_HANDLED; | |
2258 | } | |
2259 | ||
68ca949c AC |
2260 | static irqreturn_t |
2261 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2262 | { | |
2263 | struct qla_hw_data *ha; | |
2264 | struct rsp_que *rsp; | |
3155754a | 2265 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2266 | unsigned long flags; |
68ca949c AC |
2267 | |
2268 | rsp = (struct rsp_que *) dev_id; | |
2269 | if (!rsp) { | |
2270 | printk(KERN_INFO | |
7c3df132 | 2271 | "%s(): NULL response queue pointer.\n", __func__); |
68ca949c AC |
2272 | return IRQ_NONE; |
2273 | } | |
2274 | ha = rsp->hw; | |
2275 | ||
3155754a AC |
2276 | /* Clear the interrupt, if enabled, for this response queue */ |
2277 | if (rsp->options & ~BIT_6) { | |
2278 | reg = &ha->iobase->isp24; | |
0f19bc68 | 2279 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2280 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2281 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2282 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2283 | } |
68ca949c AC |
2284 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2285 | ||
2286 | return IRQ_HANDLED; | |
2287 | } | |
2288 | ||
a8488abe AV |
2289 | static irqreturn_t |
2290 | qla24xx_msix_default(int irq, void *dev_id) | |
2291 | { | |
e315cd28 AC |
2292 | scsi_qla_host_t *vha; |
2293 | struct qla_hw_data *ha; | |
2294 | struct rsp_que *rsp; | |
a8488abe AV |
2295 | struct device_reg_24xx __iomem *reg; |
2296 | int status; | |
a8488abe AV |
2297 | uint32_t stat; |
2298 | uint32_t hccr; | |
2299 | uint16_t mb[4]; | |
0f19bc68 | 2300 | unsigned long flags; |
a8488abe | 2301 | |
e315cd28 AC |
2302 | rsp = (struct rsp_que *) dev_id; |
2303 | if (!rsp) { | |
7c3df132 SK |
2304 | printk(KERN_INFO |
2305 | "%s(): NULL response queue pointer.\n", __func__); | |
e315cd28 AC |
2306 | return IRQ_NONE; |
2307 | } | |
2308 | ha = rsp->hw; | |
a8488abe AV |
2309 | reg = &ha->iobase->isp24; |
2310 | status = 0; | |
2311 | ||
0f19bc68 | 2312 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2313 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2314 | do { |
a8488abe AV |
2315 | stat = RD_REG_DWORD(®->host_status); |
2316 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2317 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2318 | break; |
2319 | ||
a8488abe AV |
2320 | hccr = RD_REG_DWORD(®->hccr); |
2321 | ||
7c3df132 SK |
2322 | ql_log(ql_log_info, vha, 0x5050, |
2323 | "RISC paused -- HCCR=%x, Dumping firmware.\n", | |
2324 | hccr); | |
05236a05 | 2325 | |
e315cd28 | 2326 | qla2xxx_check_risc_status(vha); |
05236a05 | 2327 | |
e315cd28 AC |
2328 | ha->isp_ops->fw_dump(vha, 1); |
2329 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2330 | break; |
2331 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2332 | break; | |
2333 | ||
2334 | switch (stat & 0xff) { | |
2335 | case 0x1: | |
2336 | case 0x2: | |
2337 | case 0x10: | |
2338 | case 0x11: | |
e315cd28 | 2339 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2340 | status |= MBX_INTERRUPT; |
2341 | ||
2342 | break; | |
2343 | case 0x12: | |
2344 | mb[0] = MSW(stat); | |
2345 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2346 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2347 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2348 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2349 | break; |
2350 | case 0x13: | |
73208dfd | 2351 | case 0x14: |
2afa19a9 | 2352 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2353 | break; |
2354 | default: | |
7c3df132 SK |
2355 | ql_dbg(ql_dbg_async, vha, 0x5051, |
2356 | "Unrecognized interrupt type (%d).\n", stat & 0xff); | |
a8488abe AV |
2357 | break; |
2358 | } | |
2359 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2360 | } while (0); |
0f19bc68 | 2361 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2362 | |
2363 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2364 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2365 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2366 | complete(&ha->mbx_intr_comp); |
a8488abe | 2367 | } |
a8488abe AV |
2368 | return IRQ_HANDLED; |
2369 | } | |
2370 | ||
2371 | /* Interrupt handling helpers. */ | |
2372 | ||
2373 | struct qla_init_msix_entry { | |
a8488abe | 2374 | const char *name; |
476834c2 | 2375 | irq_handler_t handler; |
a8488abe AV |
2376 | }; |
2377 | ||
68ca949c | 2378 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2379 | { "qla2xxx (default)", qla24xx_msix_default }, |
2380 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2381 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2382 | }; |
2383 | ||
a9083016 GM |
2384 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2385 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2386 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2387 | }; | |
2388 | ||
a8488abe | 2389 | static void |
e315cd28 | 2390 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2391 | { |
2392 | int i; | |
2393 | struct qla_msix_entry *qentry; | |
7c3df132 | 2394 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
a8488abe | 2395 | |
73208dfd AC |
2396 | for (i = 0; i < ha->msix_count; i++) { |
2397 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2398 | if (qentry->have_irq) |
73208dfd | 2399 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2400 | } |
2401 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2402 | kfree(ha->msix_entries); |
2403 | ha->msix_entries = NULL; | |
2404 | ha->flags.msix_enabled = 0; | |
7c3df132 SK |
2405 | ql_dbg(ql_dbg_init, vha, 0x0042, |
2406 | "Disabled the MSI.\n"); | |
a8488abe AV |
2407 | } |
2408 | ||
2409 | static int | |
73208dfd | 2410 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2411 | { |
ad038fa8 | 2412 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2413 | int i, ret; |
73208dfd | 2414 | struct msix_entry *entries; |
a8488abe | 2415 | struct qla_msix_entry *qentry; |
7c3df132 | 2416 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
73208dfd AC |
2417 | |
2418 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2419 | GFP_KERNEL); |
7c3df132 SK |
2420 | if (!entries) { |
2421 | ql_log(ql_log_warn, vha, 0x00bc, | |
2422 | "Failed to allocate memory for msix_entry.\n"); | |
73208dfd | 2423 | return -ENOMEM; |
7c3df132 | 2424 | } |
a8488abe | 2425 | |
73208dfd AC |
2426 | for (i = 0; i < ha->msix_count; i++) |
2427 | entries[i].entry = i; | |
a8488abe | 2428 | |
73208dfd | 2429 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2430 | if (ret) { |
ad038fa8 LC |
2431 | if (ret < MIN_MSIX_COUNT) |
2432 | goto msix_failed; | |
2433 | ||
7c3df132 SK |
2434 | ql_log(ql_log_warn, vha, 0x00c6, |
2435 | "MSI-X: Failed to enable support " | |
2436 | "-- %d/%d\n Retry with %d vectors.\n", | |
2437 | ha->msix_count, ret, ret); | |
73208dfd AC |
2438 | ha->msix_count = ret; |
2439 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2440 | if (ret) { | |
ad038fa8 | 2441 | msix_failed: |
7c3df132 SK |
2442 | ql_log(ql_log_fatal, vha, 0x00c7, |
2443 | "MSI-X: Failed to enable support, " | |
2444 | "giving up -- %d/%d.\n", | |
2445 | ha->msix_count, ret); | |
73208dfd AC |
2446 | goto msix_out; |
2447 | } | |
2afa19a9 | 2448 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2449 | } |
2450 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2451 | ha->msix_count, GFP_KERNEL); | |
2452 | if (!ha->msix_entries) { | |
7c3df132 SK |
2453 | ql_log(ql_log_fatal, vha, 0x00c8, |
2454 | "Failed to allocate memory for ha->msix_entries.\n"); | |
73208dfd | 2455 | ret = -ENOMEM; |
a8488abe AV |
2456 | goto msix_out; |
2457 | } | |
2458 | ha->flags.msix_enabled = 1; | |
2459 | ||
73208dfd AC |
2460 | for (i = 0; i < ha->msix_count; i++) { |
2461 | qentry = &ha->msix_entries[i]; | |
2462 | qentry->vector = entries[i].vector; | |
2463 | qentry->entry = entries[i].entry; | |
a8488abe | 2464 | qentry->have_irq = 0; |
73208dfd | 2465 | qentry->rsp = NULL; |
a8488abe AV |
2466 | } |
2467 | ||
2afa19a9 AC |
2468 | /* Enable MSI-X vectors for the base queue */ |
2469 | for (i = 0; i < 2; i++) { | |
2470 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2471 | if (IS_QLA82XX(ha)) { |
2472 | ret = request_irq(qentry->vector, | |
2473 | qla82xx_msix_entries[i].handler, | |
2474 | 0, qla82xx_msix_entries[i].name, rsp); | |
2475 | } else { | |
2476 | ret = request_irq(qentry->vector, | |
2477 | msix_entries[i].handler, | |
2478 | 0, msix_entries[i].name, rsp); | |
2479 | } | |
2afa19a9 | 2480 | if (ret) { |
7c3df132 SK |
2481 | ql_log(ql_log_fatal, vha, 0x00cb, |
2482 | "MSI-X: unable to register handler -- %x/%d.\n", | |
2483 | qentry->vector, ret); | |
2afa19a9 AC |
2484 | qla24xx_disable_msix(ha); |
2485 | ha->mqenable = 0; | |
2486 | goto msix_out; | |
2487 | } | |
2488 | qentry->have_irq = 1; | |
2489 | qentry->rsp = rsp; | |
2490 | rsp->msix = qentry; | |
73208dfd | 2491 | } |
73208dfd AC |
2492 | |
2493 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2494 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2495 | ha->mqenable = 1; |
7c3df132 SK |
2496 | ql_dbg(ql_dbg_multiq, vha, 0xc005, |
2497 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", | |
2498 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); | |
2499 | ql_dbg(ql_dbg_init, vha, 0x0055, | |
2500 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", | |
2501 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); | |
73208dfd | 2502 | |
a8488abe | 2503 | msix_out: |
73208dfd | 2504 | kfree(entries); |
a8488abe AV |
2505 | return ret; |
2506 | } | |
2507 | ||
2508 | int | |
73208dfd | 2509 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2510 | { |
2511 | int ret; | |
963b0fdd | 2512 | device_reg_t __iomem *reg = ha->iobase; |
7c3df132 | 2513 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
a8488abe AV |
2514 | |
2515 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2516 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2517 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2518 | goto skip_msi; |
2519 | ||
2520 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2521 | (ha->pdev->subsystem_device == 0x7040 || | |
2522 | ha->pdev->subsystem_device == 0x7041 || | |
2523 | ha->pdev->subsystem_device == 0x1705)) { | |
7c3df132 SK |
2524 | ql_log(ql_log_warn, vha, 0x0034, |
2525 | "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", | |
6377a7ae | 2526 | ha->pdev->subsystem_vendor, |
7c3df132 | 2527 | ha->pdev->subsystem_device); |
6377a7ae BH |
2528 | goto skip_msi; |
2529 | } | |
a8488abe | 2530 | |
42cd4f5d | 2531 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { |
7c3df132 SK |
2532 | ql_log(ql_log_warn, vha, 0x0035, |
2533 | "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", | |
42cd4f5d | 2534 | ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); |
a8488abe AV |
2535 | goto skip_msix; |
2536 | } | |
2537 | ||
73208dfd | 2538 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe | 2539 | if (!ret) { |
7c3df132 SK |
2540 | ql_dbg(ql_dbg_init, vha, 0x0036, |
2541 | "MSI-X: Enabled (0x%X, 0x%X).\n", | |
2542 | ha->chip_revision, ha->fw_attributes); | |
963b0fdd | 2543 | goto clear_risc_ints; |
a8488abe | 2544 | } |
7c3df132 SK |
2545 | ql_log(ql_log_info, vha, 0x0037, |
2546 | "MSI-X Falling back-to MSI mode -%d.\n", ret); | |
a8488abe | 2547 | skip_msix: |
cbedb601 | 2548 | |
3a03eb79 AV |
2549 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2550 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2551 | goto skip_msi; |
2552 | ||
2553 | ret = pci_enable_msi(ha->pdev); | |
2554 | if (!ret) { | |
7c3df132 SK |
2555 | ql_dbg(ql_dbg_init, vha, 0x0038, |
2556 | "MSI: Enabled.\n"); | |
cbedb601 | 2557 | ha->flags.msi_enabled = 1; |
a9083016 | 2558 | } else |
7c3df132 SK |
2559 | ql_log(ql_log_warn, vha, 0x0039, |
2560 | "MSI-X; Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2561 | skip_msi: |
2562 | ||
fd34f556 | 2563 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
7992abfc MH |
2564 | ha->flags.msi_enabled ? 0 : IRQF_SHARED, |
2565 | QLA2XXX_DRIVER_NAME, rsp); | |
963b0fdd | 2566 | if (ret) { |
7c3df132 | 2567 | ql_log(ql_log_warn, vha, 0x003a, |
a8488abe AV |
2568 | "Failed to reserve interrupt %d already in use.\n", |
2569 | ha->pdev->irq); | |
963b0fdd AV |
2570 | goto fail; |
2571 | } | |
7992abfc | 2572 | |
963b0fdd AV |
2573 | clear_risc_ints: |
2574 | ||
3a03eb79 AV |
2575 | /* |
2576 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2577 | * Timing deltas during MSI-X/INTa transitions? | |
2578 | */ | |
a9083016 | 2579 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2580 | goto fail; |
c6952483 | 2581 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2582 | if (IS_FWI2_CAPABLE(ha)) { |
2583 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2584 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2585 | } else { | |
2586 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2587 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2588 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2589 | } |
c6952483 | 2590 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2591 | |
963b0fdd | 2592 | fail: |
a8488abe AV |
2593 | return ret; |
2594 | } | |
2595 | ||
2596 | void | |
e315cd28 | 2597 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2598 | { |
e315cd28 | 2599 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2600 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2601 | |
2602 | if (ha->flags.msix_enabled) | |
2603 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2604 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2605 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2606 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2607 | } else |
2608 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2609 | } |
e315cd28 | 2610 | |
73208dfd AC |
2611 | |
2612 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2613 | { | |
2614 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2615 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd | 2616 | struct qla_msix_entry *msix = rsp->msix; |
7c3df132 | 2617 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
73208dfd AC |
2618 | int ret; |
2619 | ||
2620 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2621 | if (ret) { | |
7c3df132 SK |
2622 | ql_log(ql_log_fatal, vha, 0x00e6, |
2623 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2624 | msix->vector, ret); | |
73208dfd AC |
2625 | return ret; |
2626 | } | |
2627 | msix->have_irq = 1; | |
2628 | msix->rsp = rsp; | |
2629 | return ret; | |
2630 | } |