Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
df7baa50 AV |
10 | #include <scsi/scsi_tcq.h> |
11 | ||
1da177e4 | 12 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
13 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
14 | struct req_que *, uint32_t); | |
15 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
2afa19a9 | 16 | static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
73208dfd AC |
17 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
18 | sts_entry_t *); | |
9a853f71 | 19 | |
1da177e4 LT |
20 | /** |
21 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
22 | * @irq: | |
23 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
24 | * |
25 | * Called by system whenever the host adapter generates an interrupt. | |
26 | * | |
27 | * Returns handled flag. | |
28 | */ | |
29 | irqreturn_t | |
7d12e780 | 30 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 31 | { |
e315cd28 AC |
32 | scsi_qla_host_t *vha; |
33 | struct qla_hw_data *ha; | |
3d71644c | 34 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 35 | int status; |
1da177e4 | 36 | unsigned long iter; |
14e660e6 | 37 | uint16_t hccr; |
9a853f71 | 38 | uint16_t mb[4]; |
e315cd28 | 39 | struct rsp_que *rsp; |
43fac4d9 | 40 | unsigned long flags; |
1da177e4 | 41 | |
e315cd28 AC |
42 | rsp = (struct rsp_que *) dev_id; |
43 | if (!rsp) { | |
1da177e4 | 44 | printk(KERN_INFO |
e315cd28 | 45 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
46 | return (IRQ_NONE); |
47 | } | |
48 | ||
e315cd28 | 49 | ha = rsp->hw; |
3d71644c | 50 | reg = &ha->iobase->isp; |
1da177e4 LT |
51 | status = 0; |
52 | ||
43fac4d9 | 53 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 54 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 55 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
56 | hccr = RD_REG_WORD(®->hccr); |
57 | if (hccr & HCCR_RISC_PAUSE) { | |
58 | if (pci_channel_offline(ha->pdev)) | |
59 | break; | |
60 | ||
61 | /* | |
62 | * Issue a "HARD" reset in order for the RISC interrupt | |
63 | * bit to be cleared. Schedule a big hammmer to get | |
64 | * out of the RISC PAUSED state. | |
65 | */ | |
66 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
67 | RD_REG_WORD(®->hccr); | |
68 | ||
e315cd28 AC |
69 | ha->isp_ops->fw_dump(vha, 1); |
70 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
71 | break; |
72 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
73 | break; |
74 | ||
75 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
76 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
77 | RD_REG_WORD(®->hccr); | |
78 | ||
79 | /* Get mailbox data. */ | |
9a853f71 AV |
80 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
81 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 82 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 83 | status |= MBX_INTERRUPT; |
9a853f71 AV |
84 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
85 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
86 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
87 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 88 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
89 | } else { |
90 | /*EMPTY*/ | |
91 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 92 | "interrupt type (%d).\n", |
e315cd28 | 93 | vha->host_no, mb[0])); |
1da177e4 LT |
94 | } |
95 | /* Release mailbox registers. */ | |
96 | WRT_REG_WORD(®->semaphore, 0); | |
97 | RD_REG_WORD(®->semaphore); | |
98 | } else { | |
73208dfd | 99 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
100 | |
101 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
102 | RD_REG_WORD(®->hccr); | |
103 | } | |
104 | } | |
43fac4d9 | 105 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 106 | |
1da177e4 LT |
107 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
108 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 109 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 110 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
111 | } |
112 | ||
1da177e4 LT |
113 | return (IRQ_HANDLED); |
114 | } | |
115 | ||
116 | /** | |
117 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
118 | * @irq: | |
119 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
120 | * |
121 | * Called by system whenever the host adapter generates an interrupt. | |
122 | * | |
123 | * Returns handled flag. | |
124 | */ | |
125 | irqreturn_t | |
7d12e780 | 126 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 127 | { |
e315cd28 | 128 | scsi_qla_host_t *vha; |
3d71644c | 129 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 130 | int status; |
1da177e4 LT |
131 | unsigned long iter; |
132 | uint32_t stat; | |
1da177e4 | 133 | uint16_t hccr; |
9a853f71 | 134 | uint16_t mb[4]; |
e315cd28 AC |
135 | struct rsp_que *rsp; |
136 | struct qla_hw_data *ha; | |
43fac4d9 | 137 | unsigned long flags; |
1da177e4 | 138 | |
e315cd28 AC |
139 | rsp = (struct rsp_que *) dev_id; |
140 | if (!rsp) { | |
1da177e4 | 141 | printk(KERN_INFO |
e315cd28 | 142 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
143 | return (IRQ_NONE); |
144 | } | |
145 | ||
e315cd28 | 146 | ha = rsp->hw; |
3d71644c | 147 | reg = &ha->iobase->isp; |
1da177e4 LT |
148 | status = 0; |
149 | ||
43fac4d9 | 150 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 151 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 LT |
152 | for (iter = 50; iter--; ) { |
153 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
154 | if (stat & HSR_RISC_PAUSED) { | |
14e660e6 SJ |
155 | if (pci_channel_offline(ha->pdev)) |
156 | break; | |
157 | ||
1da177e4 LT |
158 | hccr = RD_REG_WORD(®->hccr); |
159 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
160 | qla_printk(KERN_INFO, ha, "Parity error -- " |
161 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 162 | else |
07f31805 AV |
163 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
164 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
165 | |
166 | /* | |
167 | * Issue a "HARD" reset in order for the RISC | |
168 | * interrupt bit to be cleared. Schedule a big | |
169 | * hammmer to get out of the RISC PAUSED state. | |
170 | */ | |
171 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
172 | RD_REG_WORD(®->hccr); | |
07f31805 | 173 | |
e315cd28 AC |
174 | ha->isp_ops->fw_dump(vha, 1); |
175 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
176 | break; |
177 | } else if ((stat & HSR_RISC_INT) == 0) | |
178 | break; | |
179 | ||
1da177e4 | 180 | switch (stat & 0xff) { |
1da177e4 LT |
181 | case 0x1: |
182 | case 0x2: | |
183 | case 0x10: | |
184 | case 0x11: | |
e315cd28 | 185 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
186 | status |= MBX_INTERRUPT; |
187 | ||
188 | /* Release mailbox registers. */ | |
189 | WRT_REG_WORD(®->semaphore, 0); | |
190 | break; | |
191 | case 0x12: | |
9a853f71 AV |
192 | mb[0] = MSW(stat); |
193 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
194 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
195 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 196 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
197 | break; |
198 | case 0x13: | |
73208dfd | 199 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
200 | break; |
201 | case 0x15: | |
9a853f71 AV |
202 | mb[0] = MBA_CMPLT_1_16BIT; |
203 | mb[1] = MSW(stat); | |
73208dfd | 204 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
205 | break; |
206 | case 0x16: | |
9a853f71 AV |
207 | mb[0] = MBA_SCSI_COMPLETION; |
208 | mb[1] = MSW(stat); | |
209 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 210 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
211 | break; |
212 | default: | |
213 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 214 | "(%d).\n", |
e315cd28 | 215 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
216 | break; |
217 | } | |
218 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
219 | RD_REG_WORD_RELAXED(®->hccr); | |
220 | } | |
43fac4d9 | 221 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 222 | |
1da177e4 LT |
223 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
224 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 225 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 226 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
227 | } |
228 | ||
1da177e4 LT |
229 | return (IRQ_HANDLED); |
230 | } | |
231 | ||
232 | /** | |
233 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
234 | * @ha: SCSI driver HA context | |
235 | * @mb0: Mailbox0 register | |
236 | */ | |
237 | static void | |
e315cd28 | 238 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
239 | { |
240 | uint16_t cnt; | |
241 | uint16_t __iomem *wptr; | |
e315cd28 | 242 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 243 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
244 | |
245 | /* Load return mailbox registers. */ | |
246 | ha->flags.mbox_int = 1; | |
247 | ha->mailbox_out[0] = mb0; | |
248 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
249 | ||
250 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 251 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
252 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
253 | if (cnt == 4 || cnt == 5) | |
254 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
255 | else | |
256 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 257 | |
1da177e4 LT |
258 | wptr++; |
259 | } | |
260 | ||
261 | if (ha->mcp) { | |
262 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 263 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
264 | } else { |
265 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 266 | __func__, vha->host_no)); |
1da177e4 LT |
267 | } |
268 | } | |
269 | ||
8a659571 AV |
270 | static void |
271 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
272 | { | |
273 | static char *event[] = | |
274 | { "Complete", "Request Notification", "Time Extension" }; | |
275 | int rval; | |
276 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
277 | uint16_t __iomem *wptr; | |
278 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
279 | ||
280 | /* Seed data -- mailbox1 -> mailbox7. */ | |
281 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
282 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
283 | mb[cnt] = RD_REG_WORD(wptr); | |
284 | ||
285 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
286 | "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, | |
287 | event[aen & 0xff], | |
288 | mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); | |
289 | ||
290 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
291 | timeout = (descr >> 8) & 0xf; | |
292 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
293 | return; | |
294 | ||
295 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
296 | "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); | |
297 | ||
298 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
299 | if (rval != QLA_SUCCESS) | |
300 | qla_printk(KERN_WARNING, vha->hw, | |
301 | "IDC failed to post ACK.\n"); | |
302 | } | |
303 | ||
1da177e4 LT |
304 | /** |
305 | * qla2x00_async_event() - Process aynchronous events. | |
306 | * @ha: SCSI driver HA context | |
9a853f71 | 307 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 308 | */ |
2c3dfe3f | 309 | void |
73208dfd | 310 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 311 | { |
9a853f71 | 312 | #define LS_UNKNOWN 2 |
3a03eb79 | 313 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 314 | char *link_speed; |
1da177e4 | 315 | uint16_t handle_cnt; |
bdab23da | 316 | uint16_t cnt, mbx; |
1da177e4 | 317 | uint32_t handles[5]; |
e315cd28 | 318 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 319 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 320 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
1da177e4 LT |
321 | uint32_t rscn_entry, host_pid; |
322 | uint8_t rscn_queue_index; | |
4d4df193 | 323 | unsigned long flags; |
1da177e4 LT |
324 | |
325 | /* Setup to process RIO completion. */ | |
326 | handle_cnt = 0; | |
3a03eb79 AV |
327 | if (IS_QLA81XX(ha)) |
328 | goto skip_rio; | |
1da177e4 LT |
329 | switch (mb[0]) { |
330 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 331 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
332 | handle_cnt = 1; |
333 | break; | |
334 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 335 | handles[0] = mb[1]; |
1da177e4 LT |
336 | handle_cnt = 1; |
337 | mb[0] = MBA_SCSI_COMPLETION; | |
338 | break; | |
339 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
340 | handles[0] = mb[1]; |
341 | handles[1] = mb[2]; | |
1da177e4 LT |
342 | handle_cnt = 2; |
343 | mb[0] = MBA_SCSI_COMPLETION; | |
344 | break; | |
345 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
346 | handles[0] = mb[1]; |
347 | handles[1] = mb[2]; | |
348 | handles[2] = mb[3]; | |
1da177e4 LT |
349 | handle_cnt = 3; |
350 | mb[0] = MBA_SCSI_COMPLETION; | |
351 | break; | |
352 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
353 | handles[0] = mb[1]; |
354 | handles[1] = mb[2]; | |
355 | handles[2] = mb[3]; | |
1da177e4 LT |
356 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
357 | handle_cnt = 4; | |
358 | mb[0] = MBA_SCSI_COMPLETION; | |
359 | break; | |
360 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
361 | handles[0] = mb[1]; |
362 | handles[1] = mb[2]; | |
363 | handles[2] = mb[3]; | |
1da177e4 LT |
364 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
365 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
366 | handle_cnt = 5; | |
367 | mb[0] = MBA_SCSI_COMPLETION; | |
368 | break; | |
369 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 370 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
371 | handles[1] = le32_to_cpu( |
372 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
373 | RD_MAILBOX_REG(ha, reg, 6)); | |
374 | handle_cnt = 2; | |
375 | mb[0] = MBA_SCSI_COMPLETION; | |
376 | break; | |
377 | default: | |
378 | break; | |
379 | } | |
3a03eb79 | 380 | skip_rio: |
1da177e4 LT |
381 | switch (mb[0]) { |
382 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 383 | if (!vha->flags.online) |
1da177e4 LT |
384 | break; |
385 | ||
386 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
387 | qla2x00_process_completed_request(vha, rsp->req, |
388 | handles[cnt]); | |
1da177e4 LT |
389 | break; |
390 | ||
391 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
392 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
393 | vha->host_no)); | |
1da177e4 | 394 | |
e315cd28 | 395 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
396 | break; |
397 | ||
398 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 399 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
1da177e4 | 400 | qla_printk(KERN_INFO, ha, |
bdab23da AV |
401 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
402 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 403 | |
e315cd28 | 404 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 405 | |
e428924c | 406 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
407 | if (mb[1] == 0 && mb[2] == 0) { |
408 | qla_printk(KERN_ERR, ha, | |
409 | "Unrecoverable Hardware Error: adapter " | |
410 | "marked OFFLINE!\n"); | |
e315cd28 | 411 | vha->flags.online = 0; |
9a853f71 | 412 | } else |
e315cd28 | 413 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 414 | } else if (mb[1] == 0) { |
1da177e4 LT |
415 | qla_printk(KERN_INFO, ha, |
416 | "Unrecoverable Hardware Error: adapter marked " | |
417 | "OFFLINE!\n"); | |
e315cd28 | 418 | vha->flags.online = 0; |
1da177e4 | 419 | } else |
e315cd28 | 420 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
421 | break; |
422 | ||
423 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
bdab23da AV |
424 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n", |
425 | vha->host_no, mb[1])); | |
426 | qla_printk(KERN_WARNING, ha, | |
427 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 428 | |
e315cd28 | 429 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
430 | break; |
431 | ||
432 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
433 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 434 | vha->host_no)); |
1da177e4 LT |
435 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
436 | ||
e315cd28 | 437 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
438 | break; |
439 | ||
440 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
441 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 442 | vha->host_no)); |
1da177e4 LT |
443 | break; |
444 | ||
445 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 446 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 447 | mb[1])); |
cc3ef7bc | 448 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 449 | |
e315cd28 AC |
450 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
451 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
452 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
453 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
454 | } |
455 | ||
e315cd28 AC |
456 | if (vha->vp_idx) { |
457 | atomic_set(&vha->vp_state, VP_FAILED); | |
458 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
459 | } |
460 | ||
e315cd28 AC |
461 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
462 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 463 | |
e315cd28 AC |
464 | vha->flags.management_server_logged_in = 0; |
465 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
466 | break; |
467 | ||
468 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
469 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
470 | link_speed = link_speeds[0]; | |
d8b45213 | 471 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 472 | } else { |
9a853f71 | 473 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
474 | if (mb[1] < 5) |
475 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
476 | else if (mb[1] == 0x13) |
477 | link_speed = link_speeds[5]; | |
1da177e4 LT |
478 | ha->link_data_rate = mb[1]; |
479 | } | |
480 | ||
481 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 482 | vha->host_no, link_speed)); |
1da177e4 LT |
483 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
484 | link_speed); | |
485 | ||
e315cd28 AC |
486 | vha->flags.management_server_logged_in = 0; |
487 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
488 | break; |
489 | ||
490 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 491 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
4d4df193 | 492 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
bdab23da AV |
493 | "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3], |
494 | mbx)); | |
495 | qla_printk(KERN_INFO, ha, | |
496 | "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], | |
497 | mbx); | |
1da177e4 | 498 | |
e315cd28 AC |
499 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
500 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
501 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
502 | vha->device_flags |= DFLG_NO_CABLE; | |
503 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
504 | } |
505 | ||
e315cd28 AC |
506 | if (vha->vp_idx) { |
507 | atomic_set(&vha->vp_state, VP_FAILED); | |
508 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
509 | } |
510 | ||
e315cd28 | 511 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 512 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 513 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
514 | break; |
515 | ||
516 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 517 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 518 | vha->host_no, mb[1])); |
1da177e4 | 519 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 520 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 521 | |
e315cd28 AC |
522 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
523 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
524 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
525 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
526 | } |
527 | ||
e315cd28 AC |
528 | if (vha->vp_idx) { |
529 | atomic_set(&vha->vp_state, VP_FAILED); | |
530 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
531 | } |
532 | ||
e315cd28 | 533 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
534 | |
535 | ha->operating_mode = LOOP; | |
e315cd28 AC |
536 | vha->flags.management_server_logged_in = 0; |
537 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
538 | break; |
539 | ||
3a03eb79 | 540 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
541 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
542 | if (IS_QLA2100(ha)) | |
543 | break; | |
544 | ||
3a03eb79 AV |
545 | if (IS_QLA81XX(ha)) |
546 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " | |
547 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
548 | else | |
549 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
550 | "received.\n", vha->host_no)); | |
1da177e4 LT |
551 | |
552 | /* | |
553 | * Until there's a transition from loop down to loop up, treat | |
554 | * this as loop down only. | |
555 | */ | |
e315cd28 AC |
556 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
557 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
558 | if (!atomic_read(&vha->loop_down_timer)) | |
559 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 560 | LOOP_DOWN_TIME); |
e315cd28 | 561 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
562 | } |
563 | ||
e315cd28 AC |
564 | if (vha->vp_idx) { |
565 | atomic_set(&vha->vp_state, VP_FAILED); | |
566 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
567 | } |
568 | ||
e315cd28 AC |
569 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
570 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
571 | ||
572 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
573 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
574 | |
575 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 576 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
577 | break; |
578 | ||
579 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
580 | if (IS_QLA2100(ha)) | |
581 | break; | |
582 | ||
1da177e4 LT |
583 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
584 | "received.\n", | |
e315cd28 | 585 | vha->host_no)); |
1da177e4 LT |
586 | qla_printk(KERN_INFO, ha, |
587 | "Configuration change detected: value=%x.\n", mb[1]); | |
588 | ||
e315cd28 AC |
589 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
590 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
591 | if (!atomic_read(&vha->loop_down_timer)) | |
592 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 593 | LOOP_DOWN_TIME); |
e315cd28 | 594 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
595 | } |
596 | ||
e315cd28 AC |
597 | if (vha->vp_idx) { |
598 | atomic_set(&vha->vp_state, VP_FAILED); | |
599 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
600 | } |
601 | ||
e315cd28 AC |
602 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
603 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
604 | break; |
605 | ||
606 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
607 | /* |
608 | * Handle only global and vn-port update events | |
609 | * | |
610 | * Relevant inputs: | |
611 | * mb[1] = N_Port handle of changed port | |
612 | * OR 0xffff for global event | |
613 | * mb[2] = New login state | |
614 | * 7 = Port logged out | |
615 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
616 | * | |
617 | * Skip processing if: | |
618 | * Event is global, vp_idx is NOT all vps, | |
619 | * vp_idx does not match | |
620 | * Event is not global, vp_idx does not match | |
621 | */ | |
622 | if ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) | |
623 | || (mb[1] != 0xffff)) { | |
624 | if (vha->vp_idx != (mb[3] & 0xff)) | |
625 | break; | |
626 | } | |
73208dfd | 627 | |
9764ff88 AV |
628 | /* Global event -- port logout or port unavailable. */ |
629 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
630 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
631 | vha->host_no)); | |
632 | DEBUG(printk(KERN_INFO | |
633 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
634 | vha->host_no, mb[1], mb[2], mb[3])); | |
635 | ||
636 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
637 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
638 | atomic_set(&vha->loop_down_timer, | |
639 | LOOP_DOWN_TIME); | |
640 | vha->device_flags |= DFLG_NO_CABLE; | |
641 | qla2x00_mark_all_devices_lost(vha, 1); | |
642 | } | |
643 | ||
644 | if (vha->vp_idx) { | |
645 | atomic_set(&vha->vp_state, VP_FAILED); | |
646 | fc_vport_set_state(vha->fc_vport, | |
647 | FC_VPORT_FAILED); | |
faadc5e7 | 648 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
649 | } |
650 | ||
651 | vha->flags.management_server_logged_in = 0; | |
652 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
653 | break; | |
654 | } | |
655 | ||
1da177e4 | 656 | /* |
cc3ef7bc | 657 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
658 | * event etc. earlier indicating loop is down) then process |
659 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
660 | */ | |
e315cd28 AC |
661 | atomic_set(&vha->loop_down_timer, 0); |
662 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
663 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 664 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 665 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 666 | mb[2], mb[3])); |
1da177e4 LT |
667 | break; |
668 | } | |
669 | ||
670 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 671 | vha->host_no)); |
1da177e4 | 672 | DEBUG(printk(KERN_INFO |
9a853f71 | 673 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 674 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
675 | |
676 | /* | |
677 | * Mark all devices as missing so we will login again. | |
678 | */ | |
e315cd28 | 679 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 680 | |
e315cd28 | 681 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 682 | |
e315cd28 | 683 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 684 | |
e315cd28 AC |
685 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
686 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
687 | break; |
688 | ||
689 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 690 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 691 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
692 | break; |
693 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 694 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 695 | break; |
0d6e61bc | 696 | |
1da177e4 | 697 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 698 | vha->host_no)); |
1da177e4 | 699 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 700 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 701 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 702 | |
59d72d87 | 703 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
704 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
705 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
706 | if (rscn_entry == host_pid) { |
707 | DEBUG(printk(KERN_INFO | |
708 | "scsi(%ld): Ignoring RSCN update to local host " | |
709 | "port ID (%06x)\n", | |
e315cd28 | 710 | vha->host_no, host_pid)); |
1da177e4 LT |
711 | break; |
712 | } | |
713 | ||
59d72d87 RA |
714 | /* Ignore reserved bits from RSCN-payload. */ |
715 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 716 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
717 | if (rscn_queue_index == MAX_RSCN_COUNT) |
718 | rscn_queue_index = 0; | |
e315cd28 AC |
719 | if (rscn_queue_index != vha->rscn_out_ptr) { |
720 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
721 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 722 | } else { |
e315cd28 | 723 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
724 | } |
725 | ||
e315cd28 AC |
726 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
727 | atomic_set(&vha->loop_down_timer, 0); | |
728 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 729 | |
e315cd28 AC |
730 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
731 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
732 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
733 | break; |
734 | ||
735 | /* case MBA_RIO_RESPONSE: */ | |
736 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 737 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 738 | vha->host_no)); |
1da177e4 | 739 | |
e428924c | 740 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 741 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 742 | else |
73208dfd | 743 | qla2x00_process_response_queue(rsp); |
1da177e4 | 744 | break; |
9a853f71 AV |
745 | |
746 | case MBA_DISCARD_RND_FRAME: | |
747 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 748 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 749 | break; |
45ebeb56 AV |
750 | |
751 | case MBA_TRACE_NOTIFICATION: | |
752 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 753 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 754 | break; |
4d4df193 HK |
755 | |
756 | case MBA_ISP84XX_ALERT: | |
757 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 758 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
759 | |
760 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
761 | switch (mb[1]) { | |
762 | case A84_PANIC_RECOVERY: | |
763 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
764 | "%04x %04x\n", mb[2], mb[3]); | |
765 | break; | |
766 | case A84_OP_LOGIN_COMPLETE: | |
767 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
768 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
769 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
770 | break; | |
771 | case A84_DIAG_LOGIN_COMPLETE: | |
772 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
773 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
774 | "diagnostic firmware version %x\n", | |
775 | ha->cs84xx->diag_fw_version)); | |
776 | break; | |
777 | case A84_GOLD_LOGIN_COMPLETE: | |
778 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
779 | ha->cs84xx->fw_update = 1; | |
780 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
781 | "firmware version %x\n", | |
782 | ha->cs84xx->gold_fw_version)); | |
783 | break; | |
784 | default: | |
785 | qla_printk(KERN_ERR, ha, | |
786 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
787 | mb[1], mb[2], mb[3]); | |
788 | } | |
789 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
790 | break; | |
3a03eb79 AV |
791 | case MBA_DCBX_START: |
792 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
793 | vha->host_no, mb[1], mb[2], mb[3])); | |
794 | break; | |
795 | case MBA_DCBX_PARAM_UPDATE: | |
796 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
797 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
798 | break; | |
799 | case MBA_FCF_CONF_ERR: | |
800 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
801 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
802 | break; | |
803 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 804 | case MBA_IDC_NOTIFY: |
3a03eb79 | 805 | case MBA_IDC_TIME_EXT: |
8a659571 | 806 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 807 | break; |
1da177e4 | 808 | } |
2c3dfe3f | 809 | |
e315cd28 | 810 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 811 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
812 | } |
813 | ||
814 | /** | |
815 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
816 | * @ha: SCSI driver HA context | |
817 | * @index: SRB index | |
818 | */ | |
819 | static void | |
73208dfd AC |
820 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
821 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
822 | { |
823 | srb_t *sp; | |
e315cd28 | 824 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
825 | |
826 | /* Validate handle. */ | |
827 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
828 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 829 | vha->host_no, index)); |
1da177e4 LT |
830 | qla_printk(KERN_WARNING, ha, |
831 | "Invalid SCSI completion handle %d.\n", index); | |
832 | ||
e315cd28 | 833 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
834 | return; |
835 | } | |
836 | ||
e315cd28 | 837 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
838 | if (sp) { |
839 | /* Free outstanding command slot. */ | |
e315cd28 | 840 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 841 | |
1da177e4 LT |
842 | /* Save ISP completion status */ |
843 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 844 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 845 | } else { |
2afa19a9 AC |
846 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
847 | " handle(%d)\n", vha->host_no, req->id, index)); | |
1da177e4 LT |
848 | qla_printk(KERN_WARNING, ha, |
849 | "Invalid ISP SCSI completion handle\n"); | |
850 | ||
e315cd28 | 851 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
852 | } |
853 | } | |
854 | ||
ac280b67 AV |
855 | static srb_t * |
856 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
857 | struct req_que *req, void *iocb) | |
858 | { | |
859 | struct qla_hw_data *ha = vha->hw; | |
860 | sts_entry_t *pkt = iocb; | |
861 | srb_t *sp = NULL; | |
862 | uint16_t index; | |
863 | ||
864 | index = LSW(pkt->handle); | |
865 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
866 | qla_printk(KERN_WARNING, ha, | |
867 | "%s: Invalid completion handle (%x).\n", func, index); | |
868 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
869 | goto done; | |
870 | } | |
871 | sp = req->outstanding_cmds[index]; | |
872 | if (!sp) { | |
873 | qla_printk(KERN_WARNING, ha, | |
874 | "%s: Invalid completion handle (%x) -- timed-out.\n", func, | |
875 | index); | |
876 | return sp; | |
877 | } | |
878 | if (sp->handle != index) { | |
879 | qla_printk(KERN_WARNING, ha, | |
880 | "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, | |
881 | index); | |
882 | return NULL; | |
883 | } | |
884 | req->outstanding_cmds[index] = NULL; | |
885 | done: | |
886 | return sp; | |
887 | } | |
888 | ||
889 | static void | |
890 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
891 | struct mbx_entry *mbx) | |
892 | { | |
893 | const char func[] = "MBX-IOCB"; | |
894 | const char *type; | |
895 | struct qla_hw_data *ha = vha->hw; | |
896 | fc_port_t *fcport; | |
897 | srb_t *sp; | |
898 | struct srb_logio *lio; | |
899 | uint16_t data[2]; | |
900 | ||
901 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
902 | if (!sp) | |
903 | return; | |
904 | ||
905 | type = NULL; | |
906 | lio = sp->ctx; | |
907 | switch (lio->ctx.type) { | |
908 | case SRB_LOGIN_CMD: | |
909 | type = "login"; | |
910 | break; | |
911 | case SRB_LOGOUT_CMD: | |
912 | type = "logout"; | |
913 | break; | |
914 | default: | |
915 | qla_printk(KERN_WARNING, ha, | |
916 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
917 | lio->ctx.type); | |
918 | return; | |
919 | } | |
920 | ||
921 | del_timer(&lio->ctx.timer); | |
922 | fcport = sp->fcport; | |
923 | ||
924 | data[0] = data[1] = 0; | |
925 | if (mbx->entry_status) { | |
926 | DEBUG2(printk(KERN_WARNING | |
927 | "scsi(%ld:%x): Async-%s error entry - entry-status=%x " | |
928 | "status=%x state-flag=%x status-flags=%x.\n", | |
929 | fcport->vha->host_no, sp->handle, type, | |
930 | mbx->entry_status, le16_to_cpu(mbx->status), | |
931 | le16_to_cpu(mbx->state_flags), | |
932 | le16_to_cpu(mbx->status_flags))); | |
933 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx))); | |
934 | ||
935 | data[0] = MBS_COMMAND_ERROR; | |
936 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
937 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
938 | goto done_post_logio_done_work; | |
939 | } | |
940 | ||
941 | if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
942 | DEBUG2(printk(KERN_DEBUG | |
943 | "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n", | |
944 | fcport->vha->host_no, sp->handle, type, | |
945 | le16_to_cpu(mbx->mb1))); | |
946 | ||
947 | data[0] = MBS_COMMAND_COMPLETE; | |
948 | if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1) | |
8474f3a0 | 949 | fcport->flags |= FCF_FCP2_DEVICE; |
ac280b67 AV |
950 | |
951 | goto done_post_logio_done_work; | |
952 | } | |
953 | ||
954 | data[0] = le16_to_cpu(mbx->mb0); | |
955 | switch (data[0]) { | |
956 | case MBS_PORT_ID_USED: | |
957 | data[1] = le16_to_cpu(mbx->mb1); | |
958 | break; | |
959 | case MBS_LOOP_ID_USED: | |
960 | break; | |
961 | default: | |
962 | data[0] = MBS_COMMAND_ERROR; | |
963 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
964 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
965 | break; | |
966 | } | |
967 | ||
968 | DEBUG2(printk(KERN_WARNING | |
969 | "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x " | |
970 | "mb6=%x mb7=%x.\n", | |
971 | fcport->vha->host_no, sp->handle, type, le16_to_cpu(mbx->status), | |
972 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), | |
973 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
974 | le16_to_cpu(mbx->mb7))); | |
975 | ||
976 | done_post_logio_done_work: | |
977 | lio->ctx.type == SRB_LOGIN_CMD ? | |
978 | qla2x00_post_async_login_done_work(fcport->vha, fcport, data): | |
979 | qla2x00_post_async_logout_done_work(fcport->vha, fcport, data); | |
980 | ||
981 | lio->ctx.free(sp); | |
982 | } | |
983 | ||
984 | static void | |
985 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
986 | struct logio_entry_24xx *logio) | |
987 | { | |
988 | const char func[] = "LOGIO-IOCB"; | |
989 | const char *type; | |
990 | struct qla_hw_data *ha = vha->hw; | |
991 | fc_port_t *fcport; | |
992 | srb_t *sp; | |
993 | struct srb_logio *lio; | |
994 | uint16_t data[2]; | |
995 | uint32_t iop[2]; | |
996 | ||
997 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
998 | if (!sp) | |
999 | return; | |
1000 | ||
1001 | type = NULL; | |
1002 | lio = sp->ctx; | |
1003 | switch (lio->ctx.type) { | |
1004 | case SRB_LOGIN_CMD: | |
1005 | type = "login"; | |
1006 | break; | |
1007 | case SRB_LOGOUT_CMD: | |
1008 | type = "logout"; | |
1009 | break; | |
1010 | default: | |
1011 | qla_printk(KERN_WARNING, ha, | |
1012 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
1013 | lio->ctx.type); | |
1014 | return; | |
1015 | } | |
1016 | ||
1017 | del_timer(&lio->ctx.timer); | |
1018 | fcport = sp->fcport; | |
1019 | ||
1020 | data[0] = data[1] = 0; | |
1021 | if (logio->entry_status) { | |
1022 | DEBUG2(printk(KERN_WARNING | |
1023 | "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n", | |
1024 | fcport->vha->host_no, sp->handle, type, | |
1025 | logio->entry_status)); | |
1026 | DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio))); | |
1027 | ||
1028 | data[0] = MBS_COMMAND_ERROR; | |
1029 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
1030 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
1031 | goto done_post_logio_done_work; | |
1032 | } | |
1033 | ||
1034 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
1035 | DEBUG2(printk(KERN_DEBUG | |
1036 | "scsi(%ld:%x): Async-%s complete - iop0=%x.\n", | |
1037 | fcport->vha->host_no, sp->handle, type, | |
1038 | le32_to_cpu(logio->io_parameter[0]))); | |
1039 | ||
1040 | data[0] = MBS_COMMAND_COMPLETE; | |
1041 | if (lio->ctx.type == SRB_LOGOUT_CMD) | |
1042 | goto done_post_logio_done_work; | |
1043 | ||
1044 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1045 | if (iop[0] & BIT_4) { | |
1046 | fcport->port_type = FCT_TARGET; | |
1047 | if (iop[0] & BIT_8) | |
8474f3a0 | 1048 | fcport->flags |= FCF_FCP2_DEVICE; |
ac280b67 AV |
1049 | } |
1050 | if (iop[0] & BIT_5) | |
1051 | fcport->port_type = FCT_INITIATOR; | |
1052 | if (logio->io_parameter[7] || logio->io_parameter[8]) | |
1053 | fcport->supported_classes |= FC_COS_CLASS2; | |
1054 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1055 | fcport->supported_classes |= FC_COS_CLASS3; | |
1056 | ||
1057 | goto done_post_logio_done_work; | |
1058 | } | |
1059 | ||
1060 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1061 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1062 | switch (iop[0]) { | |
1063 | case LSC_SCODE_PORTID_USED: | |
1064 | data[0] = MBS_PORT_ID_USED; | |
1065 | data[1] = LSW(iop[1]); | |
1066 | break; | |
1067 | case LSC_SCODE_NPORT_USED: | |
1068 | data[0] = MBS_LOOP_ID_USED; | |
1069 | break; | |
1070 | case LSC_SCODE_CMD_FAILED: | |
1071 | if ((iop[1] & 0xff) == 0x05) { | |
1072 | data[0] = MBS_NOT_LOGGED_IN; | |
1073 | break; | |
1074 | } | |
1075 | /* Fall through. */ | |
1076 | default: | |
1077 | data[0] = MBS_COMMAND_ERROR; | |
1078 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
1079 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
1080 | break; | |
1081 | } | |
1082 | ||
1083 | DEBUG2(printk(KERN_WARNING | |
1084 | "scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n", | |
1085 | fcport->vha->host_no, sp->handle, type, | |
1086 | le16_to_cpu(logio->comp_status), | |
1087 | le32_to_cpu(logio->io_parameter[0]), | |
1088 | le32_to_cpu(logio->io_parameter[1]))); | |
1089 | ||
1090 | done_post_logio_done_work: | |
1091 | lio->ctx.type == SRB_LOGIN_CMD ? | |
1092 | qla2x00_post_async_login_done_work(fcport->vha, fcport, data): | |
1093 | qla2x00_post_async_logout_done_work(fcport->vha, fcport, data); | |
1094 | ||
1095 | lio->ctx.free(sp); | |
1096 | } | |
1097 | ||
1da177e4 LT |
1098 | /** |
1099 | * qla2x00_process_response_queue() - Process response queue entries. | |
1100 | * @ha: SCSI driver HA context | |
1101 | */ | |
1102 | void | |
73208dfd | 1103 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1104 | { |
73208dfd AC |
1105 | struct scsi_qla_host *vha; |
1106 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1107 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1108 | sts_entry_t *pkt; |
1109 | uint16_t handle_cnt; | |
1110 | uint16_t cnt; | |
73208dfd | 1111 | |
2afa19a9 | 1112 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1113 | |
e315cd28 | 1114 | if (!vha->flags.online) |
1da177e4 LT |
1115 | return; |
1116 | ||
e315cd28 AC |
1117 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1118 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1119 | |
e315cd28 AC |
1120 | rsp->ring_index++; |
1121 | if (rsp->ring_index == rsp->length) { | |
1122 | rsp->ring_index = 0; | |
1123 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1124 | } else { |
e315cd28 | 1125 | rsp->ring_ptr++; |
1da177e4 LT |
1126 | } |
1127 | ||
1128 | if (pkt->entry_status != 0) { | |
1129 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1130 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 1131 | |
73208dfd | 1132 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1133 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1134 | wmb(); | |
1135 | continue; | |
1136 | } | |
1137 | ||
1138 | switch (pkt->entry_type) { | |
1139 | case STATUS_TYPE: | |
73208dfd | 1140 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1141 | break; |
1142 | case STATUS_TYPE_21: | |
1143 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1144 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1145 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1146 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1147 | } | |
1148 | break; | |
1149 | case STATUS_TYPE_22: | |
1150 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1151 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1152 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1153 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1154 | } | |
1155 | break; | |
1156 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1157 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1158 | break; |
ac280b67 AV |
1159 | case MBX_IOCB_TYPE: |
1160 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1161 | (struct mbx_entry *)pkt); | |
1da177e4 LT |
1162 | default: |
1163 | /* Type Not Supported. */ | |
1164 | DEBUG4(printk(KERN_WARNING | |
1165 | "scsi(%ld): Received unknown response pkt type %x " | |
1166 | "entry status=%x.\n", | |
e315cd28 | 1167 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
1168 | break; |
1169 | } | |
1170 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1171 | wmb(); | |
1172 | } | |
1173 | ||
1174 | /* Adjust ring index */ | |
e315cd28 | 1175 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1176 | } |
1177 | ||
4733fcb1 | 1178 | static inline void |
2afa19a9 AC |
1179 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, |
1180 | struct rsp_que *rsp) | |
4733fcb1 AV |
1181 | { |
1182 | struct scsi_cmnd *cp = sp->cmd; | |
1183 | ||
1184 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1185 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1186 | ||
4733fcb1 AV |
1187 | sp->request_sense_length = sense_len; |
1188 | sp->request_sense_ptr = cp->sense_buffer; | |
1189 | if (sp->request_sense_length > 32) | |
1190 | sense_len = 32; | |
1191 | ||
1192 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1193 | ||
1194 | sp->request_sense_ptr += sense_len; | |
1195 | sp->request_sense_length -= sense_len; | |
1196 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1197 | rsp->status_srb = sp; |
4733fcb1 AV |
1198 | |
1199 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 1200 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
1201 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
1202 | cp->serial_number)); | |
4733fcb1 | 1203 | if (sense_len) |
ddb9b126 | 1204 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1205 | } |
1206 | ||
1da177e4 LT |
1207 | /** |
1208 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1209 | * @ha: SCSI driver HA context | |
1210 | * @pkt: Entry pointer | |
1211 | */ | |
1212 | static void | |
73208dfd | 1213 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1214 | { |
1da177e4 | 1215 | srb_t *sp; |
1da177e4 LT |
1216 | fc_port_t *fcport; |
1217 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1218 | sts_entry_t *sts; |
1219 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1220 | uint16_t comp_status; |
1221 | uint16_t scsi_status; | |
1222 | uint8_t lscsi_status; | |
1223 | int32_t resid; | |
ed17c71b | 1224 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 1225 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1226 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1227 | uint32_t handle; |
1228 | uint16_t que; | |
1229 | struct req_que *req; | |
9a853f71 AV |
1230 | |
1231 | sts = (sts_entry_t *) pkt; | |
1232 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1233 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1234 | comp_status = le16_to_cpu(sts24->comp_status); |
1235 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1236 | } else { | |
1237 | comp_status = le16_to_cpu(sts->comp_status); | |
1238 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1239 | } | |
2afa19a9 AC |
1240 | handle = (uint32_t) LSW(sts->handle); |
1241 | que = MSW(sts->handle); | |
1242 | req = ha->req_q_map[que]; | |
1da177e4 | 1243 | /* Fast path completion. */ |
9a853f71 | 1244 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1245 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1246 | |
1247 | return; | |
1248 | } | |
1249 | ||
1250 | /* Validate handle. */ | |
2afa19a9 AC |
1251 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1252 | sp = req->outstanding_cmds[handle]; | |
1253 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1254 | } else |
1255 | sp = NULL; | |
1256 | ||
1257 | if (sp == NULL) { | |
1258 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1259 | vha->host_no)); |
1da177e4 LT |
1260 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1261 | ||
e315cd28 AC |
1262 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1263 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1264 | return; |
1265 | } | |
1266 | cp = sp->cmd; | |
1267 | if (cp == NULL) { | |
1268 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
2afa19a9 | 1269 | "pkt->handle=%d sp=%p.\n", vha->host_no, handle, sp)); |
1da177e4 LT |
1270 | qla_printk(KERN_WARNING, ha, |
1271 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1272 | ||
1273 | return; | |
1274 | } | |
1275 | ||
9a853f71 | 1276 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1277 | |
bdf79621 | 1278 | fcport = sp->fcport; |
1da177e4 | 1279 | |
ed17c71b | 1280 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1281 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1282 | if (scsi_status & SS_SENSE_LEN_VALID) |
1283 | sense_len = le32_to_cpu(sts24->sense_len); | |
1284 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1285 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1286 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1287 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1288 | if (comp_status == CS_DATA_UNDERRUN) | |
1289 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1290 | rsp_info = sts24->data; |
1291 | sense_data = sts24->data; | |
1292 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1293 | } else { | |
0f00a206 LC |
1294 | if (scsi_status & SS_SENSE_LEN_VALID) |
1295 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1296 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1297 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1298 | resid_len = le32_to_cpu(sts->residual_length); |
1299 | rsp_info = sts->rsp_info; | |
1300 | sense_data = sts->req_sense_data; | |
1301 | } | |
1302 | ||
1da177e4 LT |
1303 | /* Check for any FCP transport errors. */ |
1304 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1305 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1306 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1307 | sense_data += rsp_info_len; |
1308 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1309 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1310 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1311 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1312 | cp->device->channel, cp->device->id, |
1313 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1314 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1315 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1316 | |
1317 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1318 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1319 | return; |
1320 | } | |
1321 | } | |
1322 | ||
3e8ce320 AV |
1323 | /* Check for overrun. */ |
1324 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1325 | scsi_status & SS_RESIDUAL_OVER) | |
1326 | comp_status = CS_DATA_OVERRUN; | |
1327 | ||
1da177e4 LT |
1328 | /* |
1329 | * Based on Host and scsi status generate status code for Linux | |
1330 | */ | |
1331 | switch (comp_status) { | |
1332 | case CS_COMPLETE: | |
df7baa50 | 1333 | case CS_QUEUE_FULL: |
1da177e4 LT |
1334 | if (scsi_status == 0) { |
1335 | cp->result = DID_OK << 16; | |
1336 | break; | |
1337 | } | |
1338 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1339 | resid = resid_len; |
385d70b4 | 1340 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1341 | |
1342 | if (!lscsi_status && | |
385d70b4 | 1343 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1344 | cp->underflow)) { |
1345 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1346 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1347 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1348 | "error status.\n", vha->host_no, |
385d70b4 FT |
1349 | cp->device->channel, cp->device->id, |
1350 | cp->device->lun, resid, | |
1351 | scsi_bufflen(cp)); | |
0da69df1 AV |
1352 | |
1353 | cp->result = DID_ERROR << 16; | |
1354 | break; | |
1355 | } | |
1da177e4 | 1356 | } |
1da177e4 LT |
1357 | cp->result = DID_OK << 16 | lscsi_status; |
1358 | ||
df7baa50 AV |
1359 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1360 | DEBUG2(printk(KERN_INFO | |
1361 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1362 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 | 1363 | scsi_status)); |
df7baa50 AV |
1364 | break; |
1365 | } | |
1da177e4 LT |
1366 | if (lscsi_status != SS_CHECK_CONDITION) |
1367 | break; | |
1368 | ||
b80ca4f7 | 1369 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1370 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1371 | break; | |
1372 | ||
2afa19a9 | 1373 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1374 | break; |
1375 | ||
1376 | case CS_DATA_UNDERRUN: | |
0f00a206 LC |
1377 | DEBUG2(printk(KERN_INFO |
1378 | "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x. " | |
1379 | "resid=0x%x fw_resid=0x%x cdb=0x%x os_underflow=0x%x\n", | |
1380 | vha->host_no, cp->device->id, cp->device->lun, comp_status, | |
1381 | scsi_status, resid_len, fw_resid_len, cp->cmnd[0], | |
1382 | cp->underflow)); | |
1383 | ||
ed17c71b | 1384 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1385 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1386 | scsi_set_resid(cp, resid); | |
1387 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1388 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
1389 | DEBUG2(printk( | |
1390 | "scsi(%ld:%d:%d:%d) Dropped frame(s) " | |
1391 | "detected (%x of %x bytes)...residual " | |
1392 | "length mismatch...retrying command.\n", | |
1393 | vha->host_no, cp->device->channel, | |
1394 | cp->device->id, cp->device->lun, resid, | |
1395 | scsi_bufflen(cp))); | |
1396 | ||
1397 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1398 | break; | |
6acf8190 | 1399 | } |
ed17c71b | 1400 | |
0f00a206 LC |
1401 | if (!lscsi_status && |
1402 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1403 | cp->underflow)) { | |
1404 | qla_printk(KERN_INFO, ha, | |
1405 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " | |
1406 | "detected (%x of %x bytes)...returning " | |
1407 | "error status.\n", vha->host_no, | |
1408 | cp->device->channel, cp->device->id, | |
1409 | cp->device->lun, resid, scsi_bufflen(cp)); | |
e038a1be | 1410 | |
0f00a206 LC |
1411 | cp->result = DID_ERROR << 16; |
1412 | break; | |
1413 | } | |
1414 | } else if (!lscsi_status) { | |
1415 | DEBUG2(printk( | |
1416 | "scsi(%ld:%d:%d:%d) Dropped frame(s) detected " | |
1417 | "(%x of %x bytes)...firmware reported underrun..." | |
1418 | "retrying command.\n", vha->host_no, | |
1419 | cp->device->channel, cp->device->id, | |
1420 | cp->device->lun, resid, scsi_bufflen(cp))); | |
1421 | ||
1422 | cp->result = DID_ERROR << 16; | |
1423 | break; | |
1da177e4 LT |
1424 | } |
1425 | ||
0f00a206 LC |
1426 | cp->result = DID_OK << 16 | lscsi_status; |
1427 | ||
1da177e4 | 1428 | /* |
fa2a1ce5 | 1429 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1430 | * Status. |
1431 | */ | |
1432 | if (lscsi_status != 0) { | |
ffec28a3 AV |
1433 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1434 | DEBUG2(printk(KERN_INFO | |
1435 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1436 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 | 1437 | scsi_status)); |
ffec28a3 AV |
1438 | break; |
1439 | } | |
1da177e4 LT |
1440 | if (lscsi_status != SS_CHECK_CONDITION) |
1441 | break; | |
1442 | ||
b80ca4f7 | 1443 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1444 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1445 | break; | |
1446 | ||
2afa19a9 | 1447 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1448 | } |
1449 | break; | |
1450 | ||
1451 | case CS_DATA_OVERRUN: | |
1452 | DEBUG2(printk(KERN_INFO | |
1453 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1454 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1455 | scsi_status)); |
1da177e4 LT |
1456 | DEBUG2(printk(KERN_INFO |
1457 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1458 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1459 | cp->cmnd[4], cp->cmnd[5])); | |
1460 | DEBUG2(printk(KERN_INFO | |
1461 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1462 | "status!\n", | |
385d70b4 | 1463 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1464 | |
1465 | cp->result = DID_ERROR << 16; | |
1466 | break; | |
1467 | ||
1468 | case CS_PORT_LOGGED_OUT: | |
1469 | case CS_PORT_CONFIG_CHG: | |
1470 | case CS_PORT_BUSY: | |
1471 | case CS_INCOMPLETE: | |
1472 | case CS_PORT_UNAVAILABLE: | |
1473 | /* | |
1474 | * If the port is in Target Down state, return all IOs for this | |
1475 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1476 | * retry_queue. | |
1477 | */ | |
1da177e4 LT |
1478 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1479 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1480 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1481 | cp->serial_number, comp_status, |
1da177e4 LT |
1482 | atomic_read(&fcport->state))); |
1483 | ||
056a4483 MC |
1484 | /* |
1485 | * We are going to have the fc class block the rport | |
1486 | * while we try to recover so instruct the mid layer | |
1487 | * to requeue until the class decides how to handle this. | |
1488 | */ | |
1489 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1490 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1491 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1492 | break; |
1493 | ||
1494 | case CS_RESET: | |
1495 | DEBUG2(printk(KERN_INFO | |
1496 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1497 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1498 | |
f4f051eb | 1499 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1500 | break; |
1501 | ||
1502 | case CS_ABORTED: | |
fa2a1ce5 | 1503 | /* |
1da177e4 LT |
1504 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1505 | * aborted this request then abort otherwise it must be a | |
1506 | * reset. | |
1507 | */ | |
1508 | DEBUG2(printk(KERN_INFO | |
1509 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1510 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1511 | |
1512 | cp->result = DID_RESET << 16; | |
1513 | break; | |
1514 | ||
1515 | case CS_TIMEOUT: | |
056a4483 MC |
1516 | /* |
1517 | * We are going to have the fc class block the rport | |
1518 | * while we try to recover so instruct the mid layer | |
1519 | * to requeue until the class decides how to handle this. | |
1520 | */ | |
1521 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1522 | |
e428924c | 1523 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1524 | DEBUG2(printk(KERN_INFO |
1525 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1526 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1527 | cp->device->id, cp->device->lun, comp_status, |
1528 | scsi_status)); | |
1529 | break; | |
1530 | } | |
1da177e4 LT |
1531 | DEBUG2(printk(KERN_INFO |
1532 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1533 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1534 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1535 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1536 | |
9a853f71 AV |
1537 | /* Check to see if logout occurred. */ |
1538 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1539 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1540 | break; |
1541 | ||
1da177e4 LT |
1542 | default: |
1543 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1544 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1545 | qla_printk(KERN_INFO, ha, |
1546 | "Unknown status detected 0x%x-0x%x.\n", | |
1547 | comp_status, scsi_status); | |
1548 | ||
1549 | cp->result = DID_ERROR << 16; | |
1550 | break; | |
1551 | } | |
1552 | ||
1553 | /* Place command on done queue. */ | |
2afa19a9 | 1554 | if (rsp->status_srb == NULL) |
73208dfd | 1555 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1556 | } |
1557 | ||
1558 | /** | |
1559 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1560 | * @ha: SCSI driver HA context | |
1561 | * @pkt: Entry pointer | |
1562 | * | |
1563 | * Extended sense data. | |
1564 | */ | |
1565 | static void | |
2afa19a9 | 1566 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1567 | { |
1568 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1569 | struct qla_hw_data *ha = rsp->hw; |
1570 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1571 | struct scsi_cmnd *cp; |
1572 | ||
1573 | if (sp != NULL && sp->request_sense_length != 0) { | |
1574 | cp = sp->cmd; | |
1575 | if (cp == NULL) { | |
1576 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1577 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1578 | qla_printk(KERN_INFO, ha, |
1579 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1580 | sp); |
1da177e4 | 1581 | |
2afa19a9 | 1582 | rsp->status_srb = NULL; |
1da177e4 LT |
1583 | return; |
1584 | } | |
1585 | ||
1586 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1587 | sense_sz = sizeof(pkt->data); | |
1588 | } else { | |
1589 | sense_sz = sp->request_sense_length; | |
1590 | } | |
1591 | ||
1592 | /* Move sense data. */ | |
e428924c | 1593 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1594 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1595 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1596 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1597 | ||
1598 | sp->request_sense_ptr += sense_sz; | |
1599 | sp->request_sense_length -= sense_sz; | |
1600 | ||
1601 | /* Place command on done queue. */ | |
1602 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1603 | rsp->status_srb = NULL; |
73208dfd | 1604 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1605 | } |
1606 | } | |
1607 | } | |
1608 | ||
1609 | /** | |
1610 | * qla2x00_error_entry() - Process an error entry. | |
1611 | * @ha: SCSI driver HA context | |
1612 | * @pkt: Entry pointer | |
1613 | */ | |
1614 | static void | |
73208dfd | 1615 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1616 | { |
1617 | srb_t *sp; | |
e315cd28 | 1618 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1619 | uint32_t handle = LSW(pkt->handle); |
1620 | uint16_t que = MSW(pkt->handle); | |
1621 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1622 | #if defined(QL_DEBUG_LEVEL_2) |
1623 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1624 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1625 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1626 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1627 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1628 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1629 | "%s: Invalid Entry Parameter\n", __func__); |
1630 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1631 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1632 | else if (pkt->entry_status & RF_BUSY) | |
1633 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1634 | else | |
1635 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1636 | #endif | |
1637 | ||
1638 | /* Validate handle. */ | |
2afa19a9 AC |
1639 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1640 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1641 | else |
1642 | sp = NULL; | |
1643 | ||
1644 | if (sp) { | |
1645 | /* Free outstanding command slot. */ | |
2afa19a9 | 1646 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1647 | |
1da177e4 LT |
1648 | /* Bad payload or header */ |
1649 | if (pkt->entry_status & | |
1650 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1651 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1652 | sp->cmd->result = DID_ERROR << 16; | |
1653 | } else if (pkt->entry_status & RF_BUSY) { | |
1654 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1655 | } else { | |
1656 | sp->cmd->result = DID_ERROR << 16; | |
1657 | } | |
73208dfd | 1658 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1659 | |
9a853f71 AV |
1660 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1661 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1662 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1663 | vha->host_no)); |
1da177e4 LT |
1664 | qla_printk(KERN_WARNING, ha, |
1665 | "Error entry - invalid handle\n"); | |
1666 | ||
e315cd28 AC |
1667 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1668 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1669 | } |
1670 | } | |
1671 | ||
9a853f71 AV |
1672 | /** |
1673 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1674 | * @ha: SCSI driver HA context | |
1675 | * @mb0: Mailbox0 register | |
1676 | */ | |
1677 | static void | |
e315cd28 | 1678 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1679 | { |
1680 | uint16_t cnt; | |
1681 | uint16_t __iomem *wptr; | |
e315cd28 | 1682 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1683 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1684 | ||
1685 | /* Load return mailbox registers. */ | |
1686 | ha->flags.mbox_int = 1; | |
1687 | ha->mailbox_out[0] = mb0; | |
1688 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1689 | ||
1690 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1691 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1692 | wptr++; | |
1693 | } | |
1694 | ||
1695 | if (ha->mcp) { | |
1696 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1697 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1698 | } else { |
1699 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1700 | __func__, vha->host_no)); |
9a853f71 AV |
1701 | } |
1702 | } | |
1703 | ||
1704 | /** | |
1705 | * qla24xx_process_response_queue() - Process response queue entries. | |
1706 | * @ha: SCSI driver HA context | |
1707 | */ | |
2afa19a9 AC |
1708 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1709 | struct rsp_que *rsp) | |
9a853f71 | 1710 | { |
9a853f71 AV |
1711 | struct sts_entry_24xx *pkt; |
1712 | ||
e315cd28 | 1713 | if (!vha->flags.online) |
9a853f71 AV |
1714 | return; |
1715 | ||
e315cd28 AC |
1716 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1717 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1718 | |
e315cd28 AC |
1719 | rsp->ring_index++; |
1720 | if (rsp->ring_index == rsp->length) { | |
1721 | rsp->ring_index = 0; | |
1722 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1723 | } else { |
e315cd28 | 1724 | rsp->ring_ptr++; |
9a853f71 AV |
1725 | } |
1726 | ||
1727 | if (pkt->entry_status != 0) { | |
1728 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1729 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1730 | |
73208dfd | 1731 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1732 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1733 | wmb(); | |
1734 | continue; | |
1735 | } | |
1736 | ||
1737 | switch (pkt->entry_type) { | |
1738 | case STATUS_TYPE: | |
73208dfd | 1739 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1740 | break; |
1741 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1742 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1743 | break; |
2c3dfe3f | 1744 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1745 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1746 | (struct vp_rpt_id_entry_24xx *)pkt); |
1747 | break; | |
ac280b67 AV |
1748 | case LOGINOUT_PORT_IOCB_TYPE: |
1749 | qla24xx_logio_entry(vha, rsp->req, | |
1750 | (struct logio_entry_24xx *)pkt); | |
1751 | break; | |
9a853f71 AV |
1752 | default: |
1753 | /* Type Not Supported. */ | |
1754 | DEBUG4(printk(KERN_WARNING | |
1755 | "scsi(%ld): Received unknown response pkt type %x " | |
1756 | "entry status=%x.\n", | |
e315cd28 | 1757 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1758 | break; |
1759 | } | |
1760 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1761 | wmb(); | |
1762 | } | |
1763 | ||
1764 | /* Adjust ring index */ | |
08029990 | 1765 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
9a853f71 AV |
1766 | } |
1767 | ||
05236a05 | 1768 | static void |
e315cd28 | 1769 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1770 | { |
1771 | int rval; | |
1772 | uint32_t cnt; | |
e315cd28 | 1773 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1774 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1775 | ||
3a03eb79 | 1776 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1777 | return; |
1778 | ||
1779 | rval = QLA_SUCCESS; | |
1780 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1781 | RD_REG_DWORD(®->iobase_addr); | |
1782 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1783 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1784 | rval == QLA_SUCCESS; cnt--) { | |
1785 | if (cnt) { | |
1786 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1787 | udelay(10); | |
1788 | } else | |
1789 | rval = QLA_FUNCTION_TIMEOUT; | |
1790 | } | |
1791 | if (rval == QLA_SUCCESS) | |
1792 | goto next_test; | |
1793 | ||
1794 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1795 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1796 | rval == QLA_SUCCESS; cnt--) { | |
1797 | if (cnt) { | |
1798 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1799 | udelay(10); | |
1800 | } else | |
1801 | rval = QLA_FUNCTION_TIMEOUT; | |
1802 | } | |
1803 | if (rval != QLA_SUCCESS) | |
1804 | goto done; | |
1805 | ||
1806 | next_test: | |
1807 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1808 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1809 | ||
1810 | done: | |
1811 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1812 | RD_REG_DWORD(®->iobase_window); | |
1813 | } | |
1814 | ||
9a853f71 AV |
1815 | /** |
1816 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1817 | * @irq: | |
1818 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1819 | * |
1820 | * Called by system whenever the host adapter generates an interrupt. | |
1821 | * | |
1822 | * Returns handled flag. | |
1823 | */ | |
1824 | irqreturn_t | |
7d12e780 | 1825 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1826 | { |
e315cd28 AC |
1827 | scsi_qla_host_t *vha; |
1828 | struct qla_hw_data *ha; | |
9a853f71 AV |
1829 | struct device_reg_24xx __iomem *reg; |
1830 | int status; | |
9a853f71 AV |
1831 | unsigned long iter; |
1832 | uint32_t stat; | |
1833 | uint32_t hccr; | |
1834 | uint16_t mb[4]; | |
e315cd28 | 1835 | struct rsp_que *rsp; |
43fac4d9 | 1836 | unsigned long flags; |
9a853f71 | 1837 | |
e315cd28 AC |
1838 | rsp = (struct rsp_que *) dev_id; |
1839 | if (!rsp) { | |
9a853f71 | 1840 | printk(KERN_INFO |
e315cd28 | 1841 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1842 | return IRQ_NONE; |
1843 | } | |
1844 | ||
e315cd28 | 1845 | ha = rsp->hw; |
9a853f71 AV |
1846 | reg = &ha->iobase->isp24; |
1847 | status = 0; | |
1848 | ||
43fac4d9 | 1849 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 1850 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
1851 | for (iter = 50; iter--; ) { |
1852 | stat = RD_REG_DWORD(®->host_status); | |
1853 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1854 | if (pci_channel_offline(ha->pdev)) |
1855 | break; | |
1856 | ||
9a853f71 AV |
1857 | hccr = RD_REG_DWORD(®->hccr); |
1858 | ||
1859 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1860 | "Dumping firmware!\n", hccr); | |
05236a05 | 1861 | |
e315cd28 | 1862 | qla2xxx_check_risc_status(vha); |
05236a05 | 1863 | |
e315cd28 AC |
1864 | ha->isp_ops->fw_dump(vha, 1); |
1865 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1866 | break; |
1867 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1868 | break; | |
1869 | ||
1870 | switch (stat & 0xff) { | |
1871 | case 0x1: | |
1872 | case 0x2: | |
1873 | case 0x10: | |
1874 | case 0x11: | |
e315cd28 | 1875 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1876 | status |= MBX_INTERRUPT; |
1877 | ||
1878 | break; | |
1879 | case 0x12: | |
1880 | mb[0] = MSW(stat); | |
1881 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1882 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1883 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1884 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1885 | break; |
1886 | case 0x13: | |
73208dfd | 1887 | case 0x14: |
2afa19a9 | 1888 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
1889 | break; |
1890 | default: | |
1891 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1892 | "(%d).\n", | |
e315cd28 | 1893 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1894 | break; |
1895 | } | |
1896 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1897 | RD_REG_DWORD_RELAXED(®->hccr); | |
1898 | } | |
43fac4d9 | 1899 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
1900 | |
1901 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1902 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1903 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1904 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1905 | } |
1906 | ||
1907 | return IRQ_HANDLED; | |
1908 | } | |
1909 | ||
a8488abe AV |
1910 | static irqreturn_t |
1911 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1912 | { | |
e315cd28 AC |
1913 | struct qla_hw_data *ha; |
1914 | struct rsp_que *rsp; | |
a8488abe | 1915 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 1916 | struct scsi_qla_host *vha; |
a8488abe | 1917 | |
e315cd28 AC |
1918 | rsp = (struct rsp_que *) dev_id; |
1919 | if (!rsp) { | |
1920 | printk(KERN_INFO | |
1921 | "%s(): NULL response queue pointer\n", __func__); | |
1922 | return IRQ_NONE; | |
1923 | } | |
1924 | ha = rsp->hw; | |
a8488abe AV |
1925 | reg = &ha->iobase->isp24; |
1926 | ||
0e973a24 | 1927 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1928 | |
2afa19a9 AC |
1929 | vha = qla25xx_get_host(rsp); |
1930 | qla24xx_process_response_queue(vha, rsp); | |
3155754a | 1931 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
1932 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
1933 | RD_REG_DWORD_RELAXED(®->hccr); | |
1934 | } | |
0e973a24 | 1935 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1936 | |
1937 | return IRQ_HANDLED; | |
1938 | } | |
1939 | ||
68ca949c AC |
1940 | static irqreturn_t |
1941 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1942 | { | |
1943 | struct qla_hw_data *ha; | |
1944 | struct rsp_que *rsp; | |
3155754a | 1945 | struct device_reg_24xx __iomem *reg; |
68ca949c AC |
1946 | |
1947 | rsp = (struct rsp_que *) dev_id; | |
1948 | if (!rsp) { | |
1949 | printk(KERN_INFO | |
1950 | "%s(): NULL response queue pointer\n", __func__); | |
1951 | return IRQ_NONE; | |
1952 | } | |
1953 | ha = rsp->hw; | |
1954 | ||
3155754a AC |
1955 | /* Clear the interrupt, if enabled, for this response queue */ |
1956 | if (rsp->options & ~BIT_6) { | |
1957 | reg = &ha->iobase->isp24; | |
1958 | spin_lock_irq(&ha->hardware_lock); | |
1959 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1960 | RD_REG_DWORD_RELAXED(®->hccr); | |
1961 | spin_unlock_irq(&ha->hardware_lock); | |
1962 | } | |
68ca949c AC |
1963 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
1964 | ||
1965 | return IRQ_HANDLED; | |
1966 | } | |
1967 | ||
a8488abe AV |
1968 | static irqreturn_t |
1969 | qla24xx_msix_default(int irq, void *dev_id) | |
1970 | { | |
e315cd28 AC |
1971 | scsi_qla_host_t *vha; |
1972 | struct qla_hw_data *ha; | |
1973 | struct rsp_que *rsp; | |
a8488abe AV |
1974 | struct device_reg_24xx __iomem *reg; |
1975 | int status; | |
a8488abe AV |
1976 | uint32_t stat; |
1977 | uint32_t hccr; | |
1978 | uint16_t mb[4]; | |
1979 | ||
e315cd28 AC |
1980 | rsp = (struct rsp_que *) dev_id; |
1981 | if (!rsp) { | |
1982 | DEBUG(printk( | |
1983 | "%s(): NULL response queue pointer\n", __func__)); | |
1984 | return IRQ_NONE; | |
1985 | } | |
1986 | ha = rsp->hw; | |
a8488abe AV |
1987 | reg = &ha->iobase->isp24; |
1988 | status = 0; | |
1989 | ||
0e973a24 | 1990 | spin_lock_irq(&ha->hardware_lock); |
2afa19a9 | 1991 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 1992 | do { |
a8488abe AV |
1993 | stat = RD_REG_DWORD(®->host_status); |
1994 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1995 | if (pci_channel_offline(ha->pdev)) |
1996 | break; | |
1997 | ||
a8488abe AV |
1998 | hccr = RD_REG_DWORD(®->hccr); |
1999 | ||
2000 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2001 | "Dumping firmware!\n", hccr); | |
05236a05 | 2002 | |
e315cd28 | 2003 | qla2xxx_check_risc_status(vha); |
05236a05 | 2004 | |
e315cd28 AC |
2005 | ha->isp_ops->fw_dump(vha, 1); |
2006 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2007 | break; |
2008 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2009 | break; | |
2010 | ||
2011 | switch (stat & 0xff) { | |
2012 | case 0x1: | |
2013 | case 0x2: | |
2014 | case 0x10: | |
2015 | case 0x11: | |
e315cd28 | 2016 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2017 | status |= MBX_INTERRUPT; |
2018 | ||
2019 | break; | |
2020 | case 0x12: | |
2021 | mb[0] = MSW(stat); | |
2022 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2023 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2024 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2025 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2026 | break; |
2027 | case 0x13: | |
73208dfd | 2028 | case 0x14: |
2afa19a9 | 2029 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2030 | break; |
2031 | default: | |
2032 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2033 | "(%d).\n", | |
e315cd28 | 2034 | vha->host_no, stat & 0xff)); |
a8488abe AV |
2035 | break; |
2036 | } | |
2037 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2038 | } while (0); |
0e973a24 | 2039 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
2040 | |
2041 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2042 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2043 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2044 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
2045 | } |
2046 | ||
2047 | return IRQ_HANDLED; | |
2048 | } | |
2049 | ||
2050 | /* Interrupt handling helpers. */ | |
2051 | ||
2052 | struct qla_init_msix_entry { | |
a8488abe | 2053 | const char *name; |
476834c2 | 2054 | irq_handler_t handler; |
a8488abe AV |
2055 | }; |
2056 | ||
68ca949c | 2057 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2058 | { "qla2xxx (default)", qla24xx_msix_default }, |
2059 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2060 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2061 | }; |
2062 | ||
2063 | static void | |
e315cd28 | 2064 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2065 | { |
2066 | int i; | |
2067 | struct qla_msix_entry *qentry; | |
2068 | ||
73208dfd AC |
2069 | for (i = 0; i < ha->msix_count; i++) { |
2070 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2071 | if (qentry->have_irq) |
73208dfd | 2072 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2073 | } |
2074 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2075 | kfree(ha->msix_entries); |
2076 | ha->msix_entries = NULL; | |
2077 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
2078 | } |
2079 | ||
2080 | static int | |
73208dfd | 2081 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2082 | { |
ad038fa8 | 2083 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2084 | int i, ret; |
73208dfd | 2085 | struct msix_entry *entries; |
a8488abe | 2086 | struct qla_msix_entry *qentry; |
73208dfd AC |
2087 | |
2088 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
2089 | GFP_KERNEL); | |
2090 | if (!entries) | |
2091 | return -ENOMEM; | |
a8488abe | 2092 | |
73208dfd AC |
2093 | for (i = 0; i < ha->msix_count; i++) |
2094 | entries[i].entry = i; | |
a8488abe | 2095 | |
73208dfd | 2096 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2097 | if (ret) { |
ad038fa8 LC |
2098 | if (ret < MIN_MSIX_COUNT) |
2099 | goto msix_failed; | |
2100 | ||
a8488abe | 2101 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
2102 | "MSI-X: Failed to enable support -- %d/%d\n" |
2103 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
2104 | ha->msix_count = ret; | |
2105 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2106 | if (ret) { | |
ad038fa8 | 2107 | msix_failed: |
73208dfd AC |
2108 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
2109 | " support, giving up -- %d/%d\n", | |
2110 | ha->msix_count, ret); | |
2111 | goto msix_out; | |
2112 | } | |
2afa19a9 | 2113 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2114 | } |
2115 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2116 | ha->msix_count, GFP_KERNEL); | |
2117 | if (!ha->msix_entries) { | |
2118 | ret = -ENOMEM; | |
a8488abe AV |
2119 | goto msix_out; |
2120 | } | |
2121 | ha->flags.msix_enabled = 1; | |
2122 | ||
73208dfd AC |
2123 | for (i = 0; i < ha->msix_count; i++) { |
2124 | qentry = &ha->msix_entries[i]; | |
2125 | qentry->vector = entries[i].vector; | |
2126 | qentry->entry = entries[i].entry; | |
a8488abe | 2127 | qentry->have_irq = 0; |
73208dfd | 2128 | qentry->rsp = NULL; |
a8488abe AV |
2129 | } |
2130 | ||
2afa19a9 AC |
2131 | /* Enable MSI-X vectors for the base queue */ |
2132 | for (i = 0; i < 2; i++) { | |
2133 | qentry = &ha->msix_entries[i]; | |
2134 | ret = request_irq(qentry->vector, msix_entries[i].handler, | |
2135 | 0, msix_entries[i].name, rsp); | |
2136 | if (ret) { | |
2137 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
2138 | "MSI-X: Unable to register handler -- %x/%d.\n", |
2139 | qentry->vector, ret); | |
2afa19a9 AC |
2140 | qla24xx_disable_msix(ha); |
2141 | ha->mqenable = 0; | |
2142 | goto msix_out; | |
2143 | } | |
2144 | qentry->have_irq = 1; | |
2145 | qentry->rsp = rsp; | |
2146 | rsp->msix = qentry; | |
73208dfd | 2147 | } |
73208dfd AC |
2148 | |
2149 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2150 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2151 | ha->mqenable = 1; |
73208dfd | 2152 | |
a8488abe | 2153 | msix_out: |
73208dfd | 2154 | kfree(entries); |
a8488abe AV |
2155 | return ret; |
2156 | } | |
2157 | ||
2158 | int | |
73208dfd | 2159 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2160 | { |
2161 | int ret; | |
963b0fdd | 2162 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
2163 | |
2164 | /* If possible, enable MSI-X. */ | |
3a03eb79 AV |
2165 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
2166 | !IS_QLA8432(ha) && !IS_QLA8001(ha)) | |
a8488abe AV |
2167 | goto skip_msix; |
2168 | ||
e315cd28 AC |
2169 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2170 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2171 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2172 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2173 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2174 | |
2175 | goto skip_msix; | |
2176 | } | |
2177 | ||
da7429f9 AV |
2178 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
2179 | (ha->pdev->subsystem_device == 0x7040 || | |
2180 | ha->pdev->subsystem_device == 0x7041 || | |
2181 | ha->pdev->subsystem_device == 0x1705)) { | |
2182 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2183 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
2184 | ha->pdev->subsystem_vendor, | |
2185 | ha->pdev->subsystem_device)); | |
2186 | ||
2187 | goto skip_msi; | |
2188 | } | |
2189 | ||
73208dfd | 2190 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2191 | if (!ret) { |
2192 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2193 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2194 | ha->fw_attributes)); | |
963b0fdd | 2195 | goto clear_risc_ints; |
a8488abe AV |
2196 | } |
2197 | qla_printk(KERN_WARNING, ha, | |
2198 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
2199 | skip_msix: | |
cbedb601 | 2200 | |
3a03eb79 AV |
2201 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2202 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2203 | goto skip_msi; |
2204 | ||
2205 | ret = pci_enable_msi(ha->pdev); | |
2206 | if (!ret) { | |
2207 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2208 | ha->flags.msi_enabled = 1; | |
2209 | } | |
2210 | skip_msi: | |
2211 | ||
fd34f556 | 2212 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2213 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2214 | if (ret) { |
a8488abe AV |
2215 | qla_printk(KERN_WARNING, ha, |
2216 | "Failed to reserve interrupt %d already in use.\n", | |
2217 | ha->pdev->irq); | |
963b0fdd AV |
2218 | goto fail; |
2219 | } | |
2220 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2221 | clear_risc_ints: |
2222 | ||
3a03eb79 AV |
2223 | /* |
2224 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2225 | * Timing deltas during MSI-X/INTa transitions? | |
2226 | */ | |
2227 | if (IS_QLA81XX(ha)) | |
2228 | goto fail; | |
c6952483 | 2229 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2230 | if (IS_FWI2_CAPABLE(ha)) { |
2231 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2232 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2233 | } else { | |
2234 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2235 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2236 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2237 | } |
c6952483 | 2238 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2239 | |
963b0fdd | 2240 | fail: |
a8488abe AV |
2241 | return ret; |
2242 | } | |
2243 | ||
2244 | void | |
e315cd28 | 2245 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2246 | { |
e315cd28 | 2247 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2248 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2249 | |
2250 | if (ha->flags.msix_enabled) | |
2251 | qla24xx_disable_msix(ha); | |
cbedb601 | 2252 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2253 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2254 | pci_disable_msi(ha->pdev); |
2255 | } | |
a8488abe | 2256 | } |
e315cd28 | 2257 | |
73208dfd AC |
2258 | |
2259 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2260 | { | |
2261 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2262 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2263 | struct qla_msix_entry *msix = rsp->msix; |
2264 | int ret; | |
2265 | ||
2266 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2267 | if (ret) { | |
2268 | qla_printk(KERN_WARNING, ha, | |
2269 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2270 | msix->vector, ret); | |
2271 | return ret; | |
2272 | } | |
2273 | msix->have_irq = 1; | |
2274 | msix->rsp = rsp; | |
2275 | return ret; | |
2276 | } | |
2afa19a9 AC |
2277 | |
2278 | struct scsi_qla_host * | |
2279 | qla25xx_get_host(struct rsp_que *rsp) | |
2280 | { | |
2281 | srb_t *sp; | |
2282 | struct qla_hw_data *ha = rsp->hw; | |
2283 | struct scsi_qla_host *vha = NULL; | |
2284 | struct sts_entry_24xx *pkt; | |
2285 | struct req_que *req; | |
2286 | uint16_t que; | |
2287 | uint32_t handle; | |
2288 | ||
2289 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2290 | que = MSW(pkt->handle); | |
2291 | handle = (uint32_t) LSW(pkt->handle); | |
2292 | req = ha->req_q_map[que]; | |
2293 | if (handle < MAX_OUTSTANDING_COMMANDS) { | |
2294 | sp = req->outstanding_cmds[handle]; | |
2295 | if (sp) | |
2296 | return sp->fcport->vha; | |
2297 | else | |
2298 | goto base_que; | |
2299 | } | |
2300 | base_que: | |
2301 | vha = pci_get_drvdata(ha->pdev); | |
2302 | return vha; | |
2303 | } |