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 LT |
315 | uint16_t handle_cnt; |
316 | uint16_t cnt; | |
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; |
1da177e4 LT |
320 | uint32_t rscn_entry, host_pid; |
321 | uint8_t rscn_queue_index; | |
4d4df193 | 322 | unsigned long flags; |
1da177e4 LT |
323 | |
324 | /* Setup to process RIO completion. */ | |
325 | handle_cnt = 0; | |
3a03eb79 AV |
326 | if (IS_QLA81XX(ha)) |
327 | goto skip_rio; | |
1da177e4 LT |
328 | switch (mb[0]) { |
329 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 330 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
331 | handle_cnt = 1; |
332 | break; | |
333 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 334 | handles[0] = mb[1]; |
1da177e4 LT |
335 | handle_cnt = 1; |
336 | mb[0] = MBA_SCSI_COMPLETION; | |
337 | break; | |
338 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
339 | handles[0] = mb[1]; |
340 | handles[1] = mb[2]; | |
1da177e4 LT |
341 | handle_cnt = 2; |
342 | mb[0] = MBA_SCSI_COMPLETION; | |
343 | break; | |
344 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
345 | handles[0] = mb[1]; |
346 | handles[1] = mb[2]; | |
347 | handles[2] = mb[3]; | |
1da177e4 LT |
348 | handle_cnt = 3; |
349 | mb[0] = MBA_SCSI_COMPLETION; | |
350 | break; | |
351 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
352 | handles[0] = mb[1]; |
353 | handles[1] = mb[2]; | |
354 | handles[2] = mb[3]; | |
1da177e4 LT |
355 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
356 | handle_cnt = 4; | |
357 | mb[0] = MBA_SCSI_COMPLETION; | |
358 | break; | |
359 | case MBA_CMPLT_5_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 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
365 | handle_cnt = 5; | |
366 | mb[0] = MBA_SCSI_COMPLETION; | |
367 | break; | |
368 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 369 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
370 | handles[1] = le32_to_cpu( |
371 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
372 | RD_MAILBOX_REG(ha, reg, 6)); | |
373 | handle_cnt = 2; | |
374 | mb[0] = MBA_SCSI_COMPLETION; | |
375 | break; | |
376 | default: | |
377 | break; | |
378 | } | |
3a03eb79 | 379 | skip_rio: |
1da177e4 LT |
380 | switch (mb[0]) { |
381 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 382 | if (!vha->flags.online) |
1da177e4 LT |
383 | break; |
384 | ||
385 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
386 | qla2x00_process_completed_request(vha, rsp->req, |
387 | handles[cnt]); | |
1da177e4 LT |
388 | break; |
389 | ||
390 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
391 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
392 | vha->host_no)); | |
1da177e4 | 393 | |
e315cd28 | 394 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
395 | break; |
396 | ||
397 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
398 | qla_printk(KERN_INFO, ha, |
399 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
400 | mb[1], mb[2], mb[3]); | |
401 | ||
e315cd28 | 402 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 403 | |
e428924c | 404 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
405 | if (mb[1] == 0 && mb[2] == 0) { |
406 | qla_printk(KERN_ERR, ha, | |
407 | "Unrecoverable Hardware Error: adapter " | |
408 | "marked OFFLINE!\n"); | |
e315cd28 | 409 | vha->flags.online = 0; |
9a853f71 | 410 | } else |
e315cd28 | 411 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 412 | } else if (mb[1] == 0) { |
1da177e4 LT |
413 | qla_printk(KERN_INFO, ha, |
414 | "Unrecoverable Hardware Error: adapter marked " | |
415 | "OFFLINE!\n"); | |
e315cd28 | 416 | vha->flags.online = 0; |
1da177e4 | 417 | } else |
e315cd28 | 418 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
419 | break; |
420 | ||
421 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
422 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
e315cd28 | 423 | vha->host_no)); |
1da177e4 LT |
424 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); |
425 | ||
e315cd28 | 426 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
427 | break; |
428 | ||
429 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
430 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 431 | vha->host_no)); |
1da177e4 LT |
432 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
433 | ||
e315cd28 | 434 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
435 | break; |
436 | ||
437 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
438 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 439 | vha->host_no)); |
1da177e4 LT |
440 | break; |
441 | ||
442 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 443 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 444 | mb[1])); |
cc3ef7bc | 445 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 446 | |
e315cd28 AC |
447 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
448 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
449 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
450 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
451 | } |
452 | ||
e315cd28 AC |
453 | if (vha->vp_idx) { |
454 | atomic_set(&vha->vp_state, VP_FAILED); | |
455 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
456 | } |
457 | ||
e315cd28 AC |
458 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
459 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 460 | |
e315cd28 AC |
461 | vha->flags.management_server_logged_in = 0; |
462 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
463 | break; |
464 | ||
465 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
466 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
467 | link_speed = link_speeds[0]; | |
d8b45213 | 468 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 469 | } else { |
9a853f71 | 470 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
471 | if (mb[1] < 5) |
472 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
473 | else if (mb[1] == 0x13) |
474 | link_speed = link_speeds[5]; | |
1da177e4 LT |
475 | ha->link_data_rate = mb[1]; |
476 | } | |
477 | ||
478 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 479 | vha->host_no, link_speed)); |
1da177e4 LT |
480 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
481 | link_speed); | |
482 | ||
e315cd28 AC |
483 | vha->flags.management_server_logged_in = 0; |
484 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
485 | break; |
486 | ||
487 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 | 488 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
e315cd28 | 489 | "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
490 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", |
491 | mb[1], mb[2], mb[3]); | |
1da177e4 | 492 | |
e315cd28 AC |
493 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
494 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
495 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
496 | vha->device_flags |= DFLG_NO_CABLE; | |
497 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
498 | } |
499 | ||
e315cd28 AC |
500 | if (vha->vp_idx) { |
501 | atomic_set(&vha->vp_state, VP_FAILED); | |
502 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
503 | } |
504 | ||
e315cd28 | 505 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 506 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 507 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
508 | break; |
509 | ||
510 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 511 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 512 | vha->host_no, mb[1])); |
1da177e4 | 513 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 514 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 515 | |
e315cd28 AC |
516 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
517 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
518 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
519 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
520 | } |
521 | ||
e315cd28 AC |
522 | if (vha->vp_idx) { |
523 | atomic_set(&vha->vp_state, VP_FAILED); | |
524 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
525 | } |
526 | ||
e315cd28 | 527 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
528 | |
529 | ha->operating_mode = LOOP; | |
e315cd28 AC |
530 | vha->flags.management_server_logged_in = 0; |
531 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
532 | break; |
533 | ||
3a03eb79 | 534 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
535 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
536 | if (IS_QLA2100(ha)) | |
537 | break; | |
538 | ||
3a03eb79 AV |
539 | if (IS_QLA81XX(ha)) |
540 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " | |
541 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
542 | else | |
543 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
544 | "received.\n", vha->host_no)); | |
1da177e4 LT |
545 | |
546 | /* | |
547 | * Until there's a transition from loop down to loop up, treat | |
548 | * this as loop down only. | |
549 | */ | |
e315cd28 AC |
550 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
551 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
552 | if (!atomic_read(&vha->loop_down_timer)) | |
553 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 554 | LOOP_DOWN_TIME); |
e315cd28 | 555 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
556 | } |
557 | ||
e315cd28 AC |
558 | if (vha->vp_idx) { |
559 | atomic_set(&vha->vp_state, VP_FAILED); | |
560 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
561 | } |
562 | ||
e315cd28 AC |
563 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
564 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
565 | ||
566 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
567 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
568 | |
569 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 570 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
571 | break; |
572 | ||
573 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
574 | if (IS_QLA2100(ha)) | |
575 | break; | |
576 | ||
1da177e4 LT |
577 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
578 | "received.\n", | |
e315cd28 | 579 | vha->host_no)); |
1da177e4 LT |
580 | qla_printk(KERN_INFO, ha, |
581 | "Configuration change detected: value=%x.\n", mb[1]); | |
582 | ||
e315cd28 AC |
583 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
584 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
585 | if (!atomic_read(&vha->loop_down_timer)) | |
586 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 587 | LOOP_DOWN_TIME); |
e315cd28 | 588 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
589 | } |
590 | ||
e315cd28 AC |
591 | if (vha->vp_idx) { |
592 | atomic_set(&vha->vp_state, VP_FAILED); | |
593 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
594 | } |
595 | ||
e315cd28 AC |
596 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
597 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
598 | break; |
599 | ||
600 | case MBA_PORT_UPDATE: /* Port database update */ | |
73208dfd | 601 | /* Only handle SCNs for our Vport index. */ |
9764ff88 AV |
602 | if (mb[1] != 0xffff && |
603 | vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) | |
73208dfd AC |
604 | break; |
605 | ||
9764ff88 AV |
606 | /* Global event -- port logout or port unavailable. */ |
607 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
608 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
609 | vha->host_no)); | |
610 | DEBUG(printk(KERN_INFO | |
611 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
612 | vha->host_no, mb[1], mb[2], mb[3])); | |
613 | ||
614 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
615 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
616 | atomic_set(&vha->loop_down_timer, | |
617 | LOOP_DOWN_TIME); | |
618 | vha->device_flags |= DFLG_NO_CABLE; | |
619 | qla2x00_mark_all_devices_lost(vha, 1); | |
620 | } | |
621 | ||
622 | if (vha->vp_idx) { | |
623 | atomic_set(&vha->vp_state, VP_FAILED); | |
624 | fc_vport_set_state(vha->fc_vport, | |
625 | FC_VPORT_FAILED); | |
626 | } | |
627 | ||
628 | vha->flags.management_server_logged_in = 0; | |
629 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
630 | break; | |
631 | } | |
632 | ||
1da177e4 | 633 | /* |
cc3ef7bc | 634 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
635 | * event etc. earlier indicating loop is down) then process |
636 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
637 | */ | |
e315cd28 AC |
638 | atomic_set(&vha->loop_down_timer, 0); |
639 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
640 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 641 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 642 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 643 | mb[2], mb[3])); |
1da177e4 LT |
644 | break; |
645 | } | |
646 | ||
647 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 648 | vha->host_no)); |
1da177e4 | 649 | DEBUG(printk(KERN_INFO |
9a853f71 | 650 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 651 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
652 | |
653 | /* | |
654 | * Mark all devices as missing so we will login again. | |
655 | */ | |
e315cd28 | 656 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 657 | |
e315cd28 | 658 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 659 | |
e315cd28 | 660 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 661 | |
e315cd28 AC |
662 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
663 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
664 | break; |
665 | ||
666 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 667 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 668 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
669 | break; |
670 | /* Only handle SCNs for our Vport index. */ | |
e315cd28 | 671 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 672 | break; |
1da177e4 | 673 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 674 | vha->host_no)); |
1da177e4 | 675 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 676 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 677 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 678 | |
59d72d87 | 679 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
680 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
681 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
682 | if (rscn_entry == host_pid) { |
683 | DEBUG(printk(KERN_INFO | |
684 | "scsi(%ld): Ignoring RSCN update to local host " | |
685 | "port ID (%06x)\n", | |
e315cd28 | 686 | vha->host_no, host_pid)); |
1da177e4 LT |
687 | break; |
688 | } | |
689 | ||
59d72d87 RA |
690 | /* Ignore reserved bits from RSCN-payload. */ |
691 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 692 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
693 | if (rscn_queue_index == MAX_RSCN_COUNT) |
694 | rscn_queue_index = 0; | |
e315cd28 AC |
695 | if (rscn_queue_index != vha->rscn_out_ptr) { |
696 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
697 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 698 | } else { |
e315cd28 | 699 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
700 | } |
701 | ||
e315cd28 AC |
702 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
703 | atomic_set(&vha->loop_down_timer, 0); | |
704 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 705 | |
e315cd28 AC |
706 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
707 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
708 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
709 | break; |
710 | ||
711 | /* case MBA_RIO_RESPONSE: */ | |
712 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 713 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 714 | vha->host_no)); |
1da177e4 | 715 | |
e428924c | 716 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 717 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 718 | else |
73208dfd | 719 | qla2x00_process_response_queue(rsp); |
1da177e4 | 720 | break; |
9a853f71 AV |
721 | |
722 | case MBA_DISCARD_RND_FRAME: | |
723 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 724 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 725 | break; |
45ebeb56 AV |
726 | |
727 | case MBA_TRACE_NOTIFICATION: | |
728 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 729 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 730 | break; |
4d4df193 HK |
731 | |
732 | case MBA_ISP84XX_ALERT: | |
733 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 734 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
735 | |
736 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
737 | switch (mb[1]) { | |
738 | case A84_PANIC_RECOVERY: | |
739 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
740 | "%04x %04x\n", mb[2], mb[3]); | |
741 | break; | |
742 | case A84_OP_LOGIN_COMPLETE: | |
743 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
744 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
745 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
746 | break; | |
747 | case A84_DIAG_LOGIN_COMPLETE: | |
748 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
749 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
750 | "diagnostic firmware version %x\n", | |
751 | ha->cs84xx->diag_fw_version)); | |
752 | break; | |
753 | case A84_GOLD_LOGIN_COMPLETE: | |
754 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
755 | ha->cs84xx->fw_update = 1; | |
756 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
757 | "firmware version %x\n", | |
758 | ha->cs84xx->gold_fw_version)); | |
759 | break; | |
760 | default: | |
761 | qla_printk(KERN_ERR, ha, | |
762 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
763 | mb[1], mb[2], mb[3]); | |
764 | } | |
765 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
766 | break; | |
3a03eb79 AV |
767 | case MBA_DCBX_START: |
768 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
769 | vha->host_no, mb[1], mb[2], mb[3])); | |
770 | break; | |
771 | case MBA_DCBX_PARAM_UPDATE: | |
772 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
773 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
774 | break; | |
775 | case MBA_FCF_CONF_ERR: | |
776 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
777 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
778 | break; | |
779 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 780 | case MBA_IDC_NOTIFY: |
3a03eb79 | 781 | case MBA_IDC_TIME_EXT: |
8a659571 | 782 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 783 | break; |
1da177e4 | 784 | } |
2c3dfe3f | 785 | |
e315cd28 | 786 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 787 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
788 | } |
789 | ||
df7baa50 AV |
790 | static void |
791 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
792 | { | |
793 | fc_port_t *fcport = data; | |
73208dfd AC |
794 | struct scsi_qla_host *vha = fcport->vha; |
795 | struct qla_hw_data *ha = vha->hw; | |
796 | struct req_que *req = NULL; | |
797 | ||
a13d8ac0 MR |
798 | if (!ql2xqfulltracking) |
799 | return; | |
800 | ||
2afa19a9 | 801 | req = vha->req; |
73208dfd AC |
802 | if (!req) |
803 | return; | |
804 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
805 | return; |
806 | ||
807 | if (sdev->ordered_tags) | |
808 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
809 | sdev->queue_depth + 1); | |
810 | else | |
811 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
812 | sdev->queue_depth + 1); | |
813 | ||
814 | fcport->last_ramp_up = jiffies; | |
815 | ||
e315cd28 | 816 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 817 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 818 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
819 | sdev->queue_depth)); |
820 | } | |
821 | ||
822 | static void | |
823 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
824 | { | |
825 | fc_port_t *fcport = data; | |
826 | ||
827 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
828 | return; | |
829 | ||
e315cd28 | 830 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 831 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 832 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
833 | sdev->queue_depth)); |
834 | } | |
835 | ||
836 | static inline void | |
73208dfd AC |
837 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
838 | srb_t *sp) | |
df7baa50 AV |
839 | { |
840 | fc_port_t *fcport; | |
841 | struct scsi_device *sdev; | |
842 | ||
a13d8ac0 MR |
843 | if (!ql2xqfulltracking) |
844 | return; | |
845 | ||
df7baa50 | 846 | sdev = sp->cmd->device; |
73208dfd | 847 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
848 | return; |
849 | ||
850 | fcport = sp->fcport; | |
851 | if (time_before(jiffies, | |
852 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
853 | return; | |
854 | if (time_before(jiffies, | |
855 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
856 | return; | |
857 | ||
df7baa50 AV |
858 | starget_for_each_device(sdev->sdev_target, fcport, |
859 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
860 | } |
861 | ||
1da177e4 LT |
862 | /** |
863 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
864 | * @ha: SCSI driver HA context | |
865 | * @index: SRB index | |
866 | */ | |
867 | static void | |
73208dfd AC |
868 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
869 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
870 | { |
871 | srb_t *sp; | |
e315cd28 | 872 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
873 | |
874 | /* Validate handle. */ | |
875 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
876 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 877 | vha->host_no, index)); |
1da177e4 LT |
878 | qla_printk(KERN_WARNING, ha, |
879 | "Invalid SCSI completion handle %d.\n", index); | |
880 | ||
e315cd28 | 881 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
882 | return; |
883 | } | |
884 | ||
e315cd28 | 885 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
886 | if (sp) { |
887 | /* Free outstanding command slot. */ | |
e315cd28 | 888 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 889 | |
1da177e4 LT |
890 | /* Save ISP completion status */ |
891 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 892 | |
73208dfd AC |
893 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
894 | qla2x00_sp_compl(ha, sp); | |
1da177e4 | 895 | } else { |
2afa19a9 AC |
896 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
897 | " handle(%d)\n", vha->host_no, req->id, index)); | |
1da177e4 LT |
898 | qla_printk(KERN_WARNING, ha, |
899 | "Invalid ISP SCSI completion handle\n"); | |
900 | ||
e315cd28 | 901 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
902 | } |
903 | } | |
904 | ||
905 | /** | |
906 | * qla2x00_process_response_queue() - Process response queue entries. | |
907 | * @ha: SCSI driver HA context | |
908 | */ | |
909 | void | |
73208dfd | 910 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 911 | { |
73208dfd AC |
912 | struct scsi_qla_host *vha; |
913 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 914 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
915 | sts_entry_t *pkt; |
916 | uint16_t handle_cnt; | |
917 | uint16_t cnt; | |
73208dfd | 918 | |
2afa19a9 | 919 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 920 | |
e315cd28 | 921 | if (!vha->flags.online) |
1da177e4 LT |
922 | return; |
923 | ||
e315cd28 AC |
924 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
925 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 926 | |
e315cd28 AC |
927 | rsp->ring_index++; |
928 | if (rsp->ring_index == rsp->length) { | |
929 | rsp->ring_index = 0; | |
930 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 931 | } else { |
e315cd28 | 932 | rsp->ring_ptr++; |
1da177e4 LT |
933 | } |
934 | ||
935 | if (pkt->entry_status != 0) { | |
936 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 937 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 938 | |
73208dfd | 939 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
940 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
941 | wmb(); | |
942 | continue; | |
943 | } | |
944 | ||
945 | switch (pkt->entry_type) { | |
946 | case STATUS_TYPE: | |
73208dfd | 947 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
948 | break; |
949 | case STATUS_TYPE_21: | |
950 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
951 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 952 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
953 | ((sts21_entry_t *)pkt)->handle[cnt]); |
954 | } | |
955 | break; | |
956 | case STATUS_TYPE_22: | |
957 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
958 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 959 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
960 | ((sts22_entry_t *)pkt)->handle[cnt]); |
961 | } | |
962 | break; | |
963 | case STATUS_CONT_TYPE: | |
2afa19a9 | 964 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 965 | break; |
1da177e4 LT |
966 | default: |
967 | /* Type Not Supported. */ | |
968 | DEBUG4(printk(KERN_WARNING | |
969 | "scsi(%ld): Received unknown response pkt type %x " | |
970 | "entry status=%x.\n", | |
e315cd28 | 971 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
972 | break; |
973 | } | |
974 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
975 | wmb(); | |
976 | } | |
977 | ||
978 | /* Adjust ring index */ | |
e315cd28 | 979 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
980 | } |
981 | ||
4733fcb1 | 982 | static inline void |
2afa19a9 AC |
983 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, |
984 | struct rsp_que *rsp) | |
4733fcb1 AV |
985 | { |
986 | struct scsi_cmnd *cp = sp->cmd; | |
987 | ||
988 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
989 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
990 | ||
4733fcb1 AV |
991 | sp->request_sense_length = sense_len; |
992 | sp->request_sense_ptr = cp->sense_buffer; | |
993 | if (sp->request_sense_length > 32) | |
994 | sense_len = 32; | |
995 | ||
996 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
997 | ||
998 | sp->request_sense_ptr += sense_len; | |
999 | sp->request_sense_length -= sense_len; | |
1000 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1001 | rsp->status_srb = sp; |
4733fcb1 AV |
1002 | |
1003 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 1004 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
1005 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
1006 | cp->serial_number)); | |
4733fcb1 | 1007 | if (sense_len) |
ddb9b126 | 1008 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1009 | } |
1010 | ||
1da177e4 LT |
1011 | /** |
1012 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1013 | * @ha: SCSI driver HA context | |
1014 | * @pkt: Entry pointer | |
1015 | */ | |
1016 | static void | |
73208dfd | 1017 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1018 | { |
1da177e4 | 1019 | srb_t *sp; |
1da177e4 LT |
1020 | fc_port_t *fcport; |
1021 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1022 | sts_entry_t *sts; |
1023 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1024 | uint16_t comp_status; |
1025 | uint16_t scsi_status; | |
1026 | uint8_t lscsi_status; | |
1027 | int32_t resid; | |
ed17c71b | 1028 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 1029 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1030 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1031 | uint32_t handle; |
1032 | uint16_t que; | |
1033 | struct req_que *req; | |
9a853f71 AV |
1034 | |
1035 | sts = (sts_entry_t *) pkt; | |
1036 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1037 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1038 | comp_status = le16_to_cpu(sts24->comp_status); |
1039 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1040 | } else { | |
1041 | comp_status = le16_to_cpu(sts->comp_status); | |
1042 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1043 | } | |
2afa19a9 AC |
1044 | handle = (uint32_t) LSW(sts->handle); |
1045 | que = MSW(sts->handle); | |
1046 | req = ha->req_q_map[que]; | |
1da177e4 | 1047 | /* Fast path completion. */ |
9a853f71 | 1048 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1049 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1050 | |
1051 | return; | |
1052 | } | |
1053 | ||
1054 | /* Validate handle. */ | |
2afa19a9 AC |
1055 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1056 | sp = req->outstanding_cmds[handle]; | |
1057 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1058 | } else |
1059 | sp = NULL; | |
1060 | ||
1061 | if (sp == NULL) { | |
1062 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1063 | vha->host_no)); |
1da177e4 LT |
1064 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1065 | ||
e315cd28 AC |
1066 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1067 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1068 | return; |
1069 | } | |
1070 | cp = sp->cmd; | |
1071 | if (cp == NULL) { | |
1072 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
2afa19a9 | 1073 | "pkt->handle=%d sp=%p.\n", vha->host_no, handle, sp)); |
1da177e4 LT |
1074 | qla_printk(KERN_WARNING, ha, |
1075 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1076 | ||
1077 | return; | |
1078 | } | |
1079 | ||
9a853f71 | 1080 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1081 | |
bdf79621 | 1082 | fcport = sp->fcport; |
1da177e4 | 1083 | |
ed17c71b | 1084 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1085 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1086 | sense_len = le32_to_cpu(sts24->sense_len); |
1087 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1088 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 1089 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
1090 | rsp_info = sts24->data; |
1091 | sense_data = sts24->data; | |
1092 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1093 | } else { | |
1094 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1095 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1096 | resid_len = le32_to_cpu(sts->residual_length); | |
1097 | rsp_info = sts->rsp_info; | |
1098 | sense_data = sts->req_sense_data; | |
1099 | } | |
1100 | ||
1da177e4 LT |
1101 | /* Check for any FCP transport errors. */ |
1102 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1103 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1104 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1105 | sense_data += rsp_info_len; |
1106 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1107 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1108 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1109 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1110 | cp->device->channel, cp->device->id, |
1111 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1112 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1113 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1114 | |
1115 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1116 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1117 | return; |
1118 | } | |
1119 | } | |
1120 | ||
3e8ce320 AV |
1121 | /* Check for overrun. */ |
1122 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1123 | scsi_status & SS_RESIDUAL_OVER) | |
1124 | comp_status = CS_DATA_OVERRUN; | |
1125 | ||
1da177e4 LT |
1126 | /* |
1127 | * Based on Host and scsi status generate status code for Linux | |
1128 | */ | |
1129 | switch (comp_status) { | |
1130 | case CS_COMPLETE: | |
df7baa50 | 1131 | case CS_QUEUE_FULL: |
1da177e4 LT |
1132 | if (scsi_status == 0) { |
1133 | cp->result = DID_OK << 16; | |
1134 | break; | |
1135 | } | |
1136 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1137 | resid = resid_len; |
385d70b4 | 1138 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1139 | |
1140 | if (!lscsi_status && | |
385d70b4 | 1141 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1142 | cp->underflow)) { |
1143 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1144 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1145 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1146 | "error status.\n", vha->host_no, |
385d70b4 FT |
1147 | cp->device->channel, cp->device->id, |
1148 | cp->device->lun, resid, | |
1149 | scsi_bufflen(cp)); | |
0da69df1 AV |
1150 | |
1151 | cp->result = DID_ERROR << 16; | |
1152 | break; | |
1153 | } | |
1da177e4 | 1154 | } |
1da177e4 LT |
1155 | cp->result = DID_OK << 16 | lscsi_status; |
1156 | ||
df7baa50 AV |
1157 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1158 | DEBUG2(printk(KERN_INFO | |
1159 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1160 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1161 | scsi_status)); |
1162 | ||
1163 | /* Adjust queue depth for all luns on the port. */ | |
a13d8ac0 MR |
1164 | if (!ql2xqfulltracking) |
1165 | break; | |
df7baa50 | 1166 | fcport->last_queue_full = jiffies; |
df7baa50 AV |
1167 | starget_for_each_device(cp->device->sdev_target, |
1168 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1169 | break; |
1170 | } | |
1da177e4 LT |
1171 | if (lscsi_status != SS_CHECK_CONDITION) |
1172 | break; | |
1173 | ||
b80ca4f7 | 1174 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1175 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1176 | break; | |
1177 | ||
2afa19a9 | 1178 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1179 | break; |
1180 | ||
1181 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1182 | resid = resid_len; |
ed17c71b | 1183 | /* Use F/W calculated residual length. */ |
6acf8190 | 1184 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1185 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1186 | lscsi_status = 0; | |
1187 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1188 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1189 | lscsi_status = 0; | |
1190 | } | |
ed17c71b | 1191 | resid = fw_resid_len; |
6acf8190 | 1192 | } |
ed17c71b | 1193 | |
1da177e4 | 1194 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1195 | scsi_set_resid(cp, resid); |
e038a1be | 1196 | } else { |
1197 | DEBUG2(printk(KERN_INFO | |
1198 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1199 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1200 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1201 | cp->device->id, cp->device->lun, comp_status, |
1202 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1203 | cp->underflow)); | |
e038a1be | 1204 | |
1da177e4 LT |
1205 | } |
1206 | ||
1207 | /* | |
fa2a1ce5 | 1208 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1209 | * Status. |
1210 | */ | |
1211 | if (lscsi_status != 0) { | |
1da177e4 LT |
1212 | cp->result = DID_OK << 16 | lscsi_status; |
1213 | ||
ffec28a3 AV |
1214 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1215 | DEBUG2(printk(KERN_INFO | |
1216 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1217 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1218 | scsi_status)); |
1219 | ||
1220 | /* | |
1221 | * Adjust queue depth for all luns on the | |
1222 | * port. | |
1223 | */ | |
a13d8ac0 MR |
1224 | if (!ql2xqfulltracking) |
1225 | break; | |
ffec28a3 AV |
1226 | fcport->last_queue_full = jiffies; |
1227 | starget_for_each_device( | |
1228 | cp->device->sdev_target, fcport, | |
1229 | qla2x00_adjust_sdev_qdepth_down); | |
1230 | break; | |
1231 | } | |
1da177e4 LT |
1232 | if (lscsi_status != SS_CHECK_CONDITION) |
1233 | break; | |
1234 | ||
b80ca4f7 | 1235 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1236 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1237 | break; | |
1238 | ||
2afa19a9 | 1239 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1240 | } else { |
1241 | /* | |
1242 | * If RISC reports underrun and target does not report | |
1243 | * it then we must have a lost frame, so tell upper | |
94b3aa47 | 1244 | * layer to retry it by reporting an error. |
1da177e4 LT |
1245 | */ |
1246 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1247 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1248 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1249 | "retrying command.\n", |
1250 | vha->host_no, cp->device->channel, | |
1251 | cp->device->id, cp->device->lun, resid, | |
1252 | scsi_bufflen(cp))); | |
1da177e4 | 1253 | |
8f1f3ece | 1254 | scsi_set_resid(cp, resid); |
94b3aa47 | 1255 | cp->result = DID_ERROR << 16; |
1da177e4 LT |
1256 | break; |
1257 | } | |
1258 | ||
1259 | /* Handle mid-layer underflow */ | |
385d70b4 | 1260 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1261 | cp->underflow) { |
1262 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1263 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1264 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1265 | "error status.\n", vha->host_no, |
385d70b4 FT |
1266 | cp->device->channel, cp->device->id, |
1267 | cp->device->lun, resid, | |
1268 | scsi_bufflen(cp)); | |
1da177e4 LT |
1269 | |
1270 | cp->result = DID_ERROR << 16; | |
1271 | break; | |
1272 | } | |
1273 | ||
1274 | /* Everybody online, looking good... */ | |
1275 | cp->result = DID_OK << 16; | |
1276 | } | |
1277 | break; | |
1278 | ||
1279 | case CS_DATA_OVERRUN: | |
1280 | DEBUG2(printk(KERN_INFO | |
1281 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1282 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1283 | scsi_status)); |
1da177e4 LT |
1284 | DEBUG2(printk(KERN_INFO |
1285 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1286 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1287 | cp->cmnd[4], cp->cmnd[5])); | |
1288 | DEBUG2(printk(KERN_INFO | |
1289 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1290 | "status!\n", | |
385d70b4 | 1291 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1292 | |
1293 | cp->result = DID_ERROR << 16; | |
1294 | break; | |
1295 | ||
1296 | case CS_PORT_LOGGED_OUT: | |
1297 | case CS_PORT_CONFIG_CHG: | |
1298 | case CS_PORT_BUSY: | |
1299 | case CS_INCOMPLETE: | |
1300 | case CS_PORT_UNAVAILABLE: | |
1301 | /* | |
1302 | * If the port is in Target Down state, return all IOs for this | |
1303 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1304 | * retry_queue. | |
1305 | */ | |
1da177e4 LT |
1306 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1307 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1308 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1309 | cp->serial_number, comp_status, |
1da177e4 LT |
1310 | atomic_read(&fcport->state))); |
1311 | ||
056a4483 MC |
1312 | /* |
1313 | * We are going to have the fc class block the rport | |
1314 | * while we try to recover so instruct the mid layer | |
1315 | * to requeue until the class decides how to handle this. | |
1316 | */ | |
1317 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1318 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1319 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1320 | break; |
1321 | ||
1322 | case CS_RESET: | |
1323 | DEBUG2(printk(KERN_INFO | |
1324 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1325 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1326 | |
f4f051eb | 1327 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1328 | break; |
1329 | ||
1330 | case CS_ABORTED: | |
fa2a1ce5 | 1331 | /* |
1da177e4 LT |
1332 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1333 | * aborted this request then abort otherwise it must be a | |
1334 | * reset. | |
1335 | */ | |
1336 | DEBUG2(printk(KERN_INFO | |
1337 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1338 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1339 | |
1340 | cp->result = DID_RESET << 16; | |
1341 | break; | |
1342 | ||
1343 | case CS_TIMEOUT: | |
056a4483 MC |
1344 | /* |
1345 | * We are going to have the fc class block the rport | |
1346 | * while we try to recover so instruct the mid layer | |
1347 | * to requeue until the class decides how to handle this. | |
1348 | */ | |
1349 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1350 | |
e428924c | 1351 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1352 | DEBUG2(printk(KERN_INFO |
1353 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1354 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1355 | cp->device->id, cp->device->lun, comp_status, |
1356 | scsi_status)); | |
1357 | break; | |
1358 | } | |
1da177e4 LT |
1359 | DEBUG2(printk(KERN_INFO |
1360 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1361 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1362 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1363 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1364 | |
9a853f71 AV |
1365 | /* Check to see if logout occurred. */ |
1366 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1367 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1368 | break; |
1369 | ||
1da177e4 LT |
1370 | default: |
1371 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1372 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1373 | qla_printk(KERN_INFO, ha, |
1374 | "Unknown status detected 0x%x-0x%x.\n", | |
1375 | comp_status, scsi_status); | |
1376 | ||
1377 | cp->result = DID_ERROR << 16; | |
1378 | break; | |
1379 | } | |
1380 | ||
1381 | /* Place command on done queue. */ | |
2afa19a9 | 1382 | if (rsp->status_srb == NULL) |
73208dfd | 1383 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1384 | } |
1385 | ||
1386 | /** | |
1387 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1388 | * @ha: SCSI driver HA context | |
1389 | * @pkt: Entry pointer | |
1390 | * | |
1391 | * Extended sense data. | |
1392 | */ | |
1393 | static void | |
2afa19a9 | 1394 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1395 | { |
1396 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1397 | struct qla_hw_data *ha = rsp->hw; |
1398 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1399 | struct scsi_cmnd *cp; |
1400 | ||
1401 | if (sp != NULL && sp->request_sense_length != 0) { | |
1402 | cp = sp->cmd; | |
1403 | if (cp == NULL) { | |
1404 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1405 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1406 | qla_printk(KERN_INFO, ha, |
1407 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1408 | sp); |
1da177e4 | 1409 | |
2afa19a9 | 1410 | rsp->status_srb = NULL; |
1da177e4 LT |
1411 | return; |
1412 | } | |
1413 | ||
1414 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1415 | sense_sz = sizeof(pkt->data); | |
1416 | } else { | |
1417 | sense_sz = sp->request_sense_length; | |
1418 | } | |
1419 | ||
1420 | /* Move sense data. */ | |
e428924c | 1421 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1422 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1423 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1424 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1425 | ||
1426 | sp->request_sense_ptr += sense_sz; | |
1427 | sp->request_sense_length -= sense_sz; | |
1428 | ||
1429 | /* Place command on done queue. */ | |
1430 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1431 | rsp->status_srb = NULL; |
73208dfd | 1432 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1433 | } |
1434 | } | |
1435 | } | |
1436 | ||
1437 | /** | |
1438 | * qla2x00_error_entry() - Process an error entry. | |
1439 | * @ha: SCSI driver HA context | |
1440 | * @pkt: Entry pointer | |
1441 | */ | |
1442 | static void | |
73208dfd | 1443 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1444 | { |
1445 | srb_t *sp; | |
e315cd28 | 1446 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1447 | uint32_t handle = LSW(pkt->handle); |
1448 | uint16_t que = MSW(pkt->handle); | |
1449 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1450 | #if defined(QL_DEBUG_LEVEL_2) |
1451 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1452 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1453 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1454 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1455 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1456 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1457 | "%s: Invalid Entry Parameter\n", __func__); |
1458 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1459 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1460 | else if (pkt->entry_status & RF_BUSY) | |
1461 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1462 | else | |
1463 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1464 | #endif | |
1465 | ||
1466 | /* Validate handle. */ | |
2afa19a9 AC |
1467 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1468 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1469 | else |
1470 | sp = NULL; | |
1471 | ||
1472 | if (sp) { | |
1473 | /* Free outstanding command slot. */ | |
2afa19a9 | 1474 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1475 | |
1da177e4 LT |
1476 | /* Bad payload or header */ |
1477 | if (pkt->entry_status & | |
1478 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1479 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1480 | sp->cmd->result = DID_ERROR << 16; | |
1481 | } else if (pkt->entry_status & RF_BUSY) { | |
1482 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1483 | } else { | |
1484 | sp->cmd->result = DID_ERROR << 16; | |
1485 | } | |
73208dfd | 1486 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1487 | |
9a853f71 AV |
1488 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1489 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1490 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1491 | vha->host_no)); |
1da177e4 LT |
1492 | qla_printk(KERN_WARNING, ha, |
1493 | "Error entry - invalid handle\n"); | |
1494 | ||
e315cd28 AC |
1495 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1496 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1497 | } |
1498 | } | |
1499 | ||
9a853f71 AV |
1500 | /** |
1501 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1502 | * @ha: SCSI driver HA context | |
1503 | * @mb0: Mailbox0 register | |
1504 | */ | |
1505 | static void | |
e315cd28 | 1506 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1507 | { |
1508 | uint16_t cnt; | |
1509 | uint16_t __iomem *wptr; | |
e315cd28 | 1510 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1511 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1512 | ||
1513 | /* Load return mailbox registers. */ | |
1514 | ha->flags.mbox_int = 1; | |
1515 | ha->mailbox_out[0] = mb0; | |
1516 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1517 | ||
1518 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1519 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1520 | wptr++; | |
1521 | } | |
1522 | ||
1523 | if (ha->mcp) { | |
1524 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1525 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1526 | } else { |
1527 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1528 | __func__, vha->host_no)); |
9a853f71 AV |
1529 | } |
1530 | } | |
1531 | ||
1532 | /** | |
1533 | * qla24xx_process_response_queue() - Process response queue entries. | |
1534 | * @ha: SCSI driver HA context | |
1535 | */ | |
2afa19a9 AC |
1536 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1537 | struct rsp_que *rsp) | |
9a853f71 | 1538 | { |
9a853f71 AV |
1539 | struct sts_entry_24xx *pkt; |
1540 | ||
e315cd28 | 1541 | if (!vha->flags.online) |
9a853f71 AV |
1542 | return; |
1543 | ||
e315cd28 AC |
1544 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1545 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1546 | |
e315cd28 AC |
1547 | rsp->ring_index++; |
1548 | if (rsp->ring_index == rsp->length) { | |
1549 | rsp->ring_index = 0; | |
1550 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1551 | } else { |
e315cd28 | 1552 | rsp->ring_ptr++; |
9a853f71 AV |
1553 | } |
1554 | ||
1555 | if (pkt->entry_status != 0) { | |
1556 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1557 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1558 | |
73208dfd | 1559 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1560 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1561 | wmb(); | |
1562 | continue; | |
1563 | } | |
1564 | ||
1565 | switch (pkt->entry_type) { | |
1566 | case STATUS_TYPE: | |
73208dfd | 1567 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1568 | break; |
1569 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1570 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1571 | break; |
2c3dfe3f | 1572 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1573 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1574 | (struct vp_rpt_id_entry_24xx *)pkt); |
1575 | break; | |
9a853f71 AV |
1576 | default: |
1577 | /* Type Not Supported. */ | |
1578 | DEBUG4(printk(KERN_WARNING | |
1579 | "scsi(%ld): Received unknown response pkt type %x " | |
1580 | "entry status=%x.\n", | |
e315cd28 | 1581 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1582 | break; |
1583 | } | |
1584 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1585 | wmb(); | |
1586 | } | |
1587 | ||
1588 | /* Adjust ring index */ | |
08029990 | 1589 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
9a853f71 AV |
1590 | } |
1591 | ||
05236a05 | 1592 | static void |
e315cd28 | 1593 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1594 | { |
1595 | int rval; | |
1596 | uint32_t cnt; | |
e315cd28 | 1597 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1598 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1599 | ||
3a03eb79 | 1600 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1601 | return; |
1602 | ||
1603 | rval = QLA_SUCCESS; | |
1604 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1605 | RD_REG_DWORD(®->iobase_addr); | |
1606 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1607 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1608 | rval == QLA_SUCCESS; cnt--) { | |
1609 | if (cnt) { | |
1610 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1611 | udelay(10); | |
1612 | } else | |
1613 | rval = QLA_FUNCTION_TIMEOUT; | |
1614 | } | |
1615 | if (rval == QLA_SUCCESS) | |
1616 | goto next_test; | |
1617 | ||
1618 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1619 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1620 | rval == QLA_SUCCESS; cnt--) { | |
1621 | if (cnt) { | |
1622 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1623 | udelay(10); | |
1624 | } else | |
1625 | rval = QLA_FUNCTION_TIMEOUT; | |
1626 | } | |
1627 | if (rval != QLA_SUCCESS) | |
1628 | goto done; | |
1629 | ||
1630 | next_test: | |
1631 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1632 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1633 | ||
1634 | done: | |
1635 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1636 | RD_REG_DWORD(®->iobase_window); | |
1637 | } | |
1638 | ||
9a853f71 AV |
1639 | /** |
1640 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1641 | * @irq: | |
1642 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1643 | * |
1644 | * Called by system whenever the host adapter generates an interrupt. | |
1645 | * | |
1646 | * Returns handled flag. | |
1647 | */ | |
1648 | irqreturn_t | |
7d12e780 | 1649 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1650 | { |
e315cd28 AC |
1651 | scsi_qla_host_t *vha; |
1652 | struct qla_hw_data *ha; | |
9a853f71 AV |
1653 | struct device_reg_24xx __iomem *reg; |
1654 | int status; | |
9a853f71 AV |
1655 | unsigned long iter; |
1656 | uint32_t stat; | |
1657 | uint32_t hccr; | |
1658 | uint16_t mb[4]; | |
e315cd28 | 1659 | struct rsp_que *rsp; |
43fac4d9 | 1660 | unsigned long flags; |
9a853f71 | 1661 | |
e315cd28 AC |
1662 | rsp = (struct rsp_que *) dev_id; |
1663 | if (!rsp) { | |
9a853f71 | 1664 | printk(KERN_INFO |
e315cd28 | 1665 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1666 | return IRQ_NONE; |
1667 | } | |
1668 | ||
e315cd28 | 1669 | ha = rsp->hw; |
9a853f71 AV |
1670 | reg = &ha->iobase->isp24; |
1671 | status = 0; | |
1672 | ||
43fac4d9 | 1673 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 1674 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
1675 | for (iter = 50; iter--; ) { |
1676 | stat = RD_REG_DWORD(®->host_status); | |
1677 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1678 | if (pci_channel_offline(ha->pdev)) |
1679 | break; | |
1680 | ||
9a853f71 AV |
1681 | hccr = RD_REG_DWORD(®->hccr); |
1682 | ||
1683 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1684 | "Dumping firmware!\n", hccr); | |
05236a05 | 1685 | |
e315cd28 | 1686 | qla2xxx_check_risc_status(vha); |
05236a05 | 1687 | |
e315cd28 AC |
1688 | ha->isp_ops->fw_dump(vha, 1); |
1689 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1690 | break; |
1691 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1692 | break; | |
1693 | ||
1694 | switch (stat & 0xff) { | |
1695 | case 0x1: | |
1696 | case 0x2: | |
1697 | case 0x10: | |
1698 | case 0x11: | |
e315cd28 | 1699 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1700 | status |= MBX_INTERRUPT; |
1701 | ||
1702 | break; | |
1703 | case 0x12: | |
1704 | mb[0] = MSW(stat); | |
1705 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1706 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1707 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1708 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1709 | break; |
1710 | case 0x13: | |
73208dfd | 1711 | case 0x14: |
2afa19a9 | 1712 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
1713 | break; |
1714 | default: | |
1715 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1716 | "(%d).\n", | |
e315cd28 | 1717 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1718 | break; |
1719 | } | |
1720 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1721 | RD_REG_DWORD_RELAXED(®->hccr); | |
1722 | } | |
43fac4d9 | 1723 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
1724 | |
1725 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1726 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1727 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1728 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1729 | } |
1730 | ||
1731 | return IRQ_HANDLED; | |
1732 | } | |
1733 | ||
a8488abe AV |
1734 | static irqreturn_t |
1735 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1736 | { | |
e315cd28 AC |
1737 | struct qla_hw_data *ha; |
1738 | struct rsp_que *rsp; | |
a8488abe | 1739 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 1740 | struct scsi_qla_host *vha; |
a8488abe | 1741 | |
e315cd28 AC |
1742 | rsp = (struct rsp_que *) dev_id; |
1743 | if (!rsp) { | |
1744 | printk(KERN_INFO | |
1745 | "%s(): NULL response queue pointer\n", __func__); | |
1746 | return IRQ_NONE; | |
1747 | } | |
1748 | ha = rsp->hw; | |
a8488abe AV |
1749 | reg = &ha->iobase->isp24; |
1750 | ||
0e973a24 | 1751 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1752 | |
2afa19a9 AC |
1753 | vha = qla25xx_get_host(rsp); |
1754 | qla24xx_process_response_queue(vha, rsp); | |
a8488abe | 1755 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1756 | |
0e973a24 | 1757 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1758 | |
1759 | return IRQ_HANDLED; | |
1760 | } | |
1761 | ||
68ca949c AC |
1762 | static irqreturn_t |
1763 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1764 | { | |
1765 | struct qla_hw_data *ha; | |
1766 | struct rsp_que *rsp; | |
1767 | ||
1768 | rsp = (struct rsp_que *) dev_id; | |
1769 | if (!rsp) { | |
1770 | printk(KERN_INFO | |
1771 | "%s(): NULL response queue pointer\n", __func__); | |
1772 | return IRQ_NONE; | |
1773 | } | |
1774 | ha = rsp->hw; | |
1775 | ||
1776 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); | |
1777 | ||
1778 | return IRQ_HANDLED; | |
1779 | } | |
1780 | ||
a8488abe AV |
1781 | static irqreturn_t |
1782 | qla24xx_msix_default(int irq, void *dev_id) | |
1783 | { | |
e315cd28 AC |
1784 | scsi_qla_host_t *vha; |
1785 | struct qla_hw_data *ha; | |
1786 | struct rsp_que *rsp; | |
a8488abe AV |
1787 | struct device_reg_24xx __iomem *reg; |
1788 | int status; | |
a8488abe AV |
1789 | uint32_t stat; |
1790 | uint32_t hccr; | |
1791 | uint16_t mb[4]; | |
1792 | ||
e315cd28 AC |
1793 | rsp = (struct rsp_que *) dev_id; |
1794 | if (!rsp) { | |
1795 | DEBUG(printk( | |
1796 | "%s(): NULL response queue pointer\n", __func__)); | |
1797 | return IRQ_NONE; | |
1798 | } | |
1799 | ha = rsp->hw; | |
a8488abe AV |
1800 | reg = &ha->iobase->isp24; |
1801 | status = 0; | |
1802 | ||
0e973a24 | 1803 | spin_lock_irq(&ha->hardware_lock); |
2afa19a9 | 1804 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 1805 | do { |
a8488abe AV |
1806 | stat = RD_REG_DWORD(®->host_status); |
1807 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1808 | if (pci_channel_offline(ha->pdev)) |
1809 | break; | |
1810 | ||
a8488abe AV |
1811 | hccr = RD_REG_DWORD(®->hccr); |
1812 | ||
1813 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1814 | "Dumping firmware!\n", hccr); | |
05236a05 | 1815 | |
e315cd28 | 1816 | qla2xxx_check_risc_status(vha); |
05236a05 | 1817 | |
e315cd28 AC |
1818 | ha->isp_ops->fw_dump(vha, 1); |
1819 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1820 | break; |
1821 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1822 | break; | |
1823 | ||
1824 | switch (stat & 0xff) { | |
1825 | case 0x1: | |
1826 | case 0x2: | |
1827 | case 0x10: | |
1828 | case 0x11: | |
e315cd28 | 1829 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1830 | status |= MBX_INTERRUPT; |
1831 | ||
1832 | break; | |
1833 | case 0x12: | |
1834 | mb[0] = MSW(stat); | |
1835 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1836 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1837 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1838 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1839 | break; |
1840 | case 0x13: | |
73208dfd | 1841 | case 0x14: |
2afa19a9 | 1842 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
1843 | break; |
1844 | default: | |
1845 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1846 | "(%d).\n", | |
e315cd28 | 1847 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1848 | break; |
1849 | } | |
1850 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1851 | } while (0); |
0e973a24 | 1852 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1853 | |
1854 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1855 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1856 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1857 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1858 | } |
1859 | ||
1860 | return IRQ_HANDLED; | |
1861 | } | |
1862 | ||
1863 | /* Interrupt handling helpers. */ | |
1864 | ||
1865 | struct qla_init_msix_entry { | |
a8488abe | 1866 | const char *name; |
476834c2 | 1867 | irq_handler_t handler; |
a8488abe AV |
1868 | }; |
1869 | ||
68ca949c | 1870 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
1871 | { "qla2xxx (default)", qla24xx_msix_default }, |
1872 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 1873 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
1874 | }; |
1875 | ||
1876 | static void | |
e315cd28 | 1877 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1878 | { |
1879 | int i; | |
1880 | struct qla_msix_entry *qentry; | |
1881 | ||
73208dfd AC |
1882 | for (i = 0; i < ha->msix_count; i++) { |
1883 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1884 | if (qentry->have_irq) |
73208dfd | 1885 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1886 | } |
1887 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1888 | kfree(ha->msix_entries); |
1889 | ha->msix_entries = NULL; | |
1890 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1891 | } |
1892 | ||
1893 | static int | |
73208dfd | 1894 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 1895 | { |
ad038fa8 | 1896 | #define MIN_MSIX_COUNT 2 |
a8488abe | 1897 | int i, ret; |
73208dfd | 1898 | struct msix_entry *entries; |
a8488abe | 1899 | struct qla_msix_entry *qentry; |
73208dfd AC |
1900 | |
1901 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1902 | GFP_KERNEL); | |
1903 | if (!entries) | |
1904 | return -ENOMEM; | |
a8488abe | 1905 | |
73208dfd AC |
1906 | for (i = 0; i < ha->msix_count; i++) |
1907 | entries[i].entry = i; | |
a8488abe | 1908 | |
73208dfd | 1909 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 1910 | if (ret) { |
ad038fa8 LC |
1911 | if (ret < MIN_MSIX_COUNT) |
1912 | goto msix_failed; | |
1913 | ||
a8488abe | 1914 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
1915 | "MSI-X: Failed to enable support -- %d/%d\n" |
1916 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1917 | ha->msix_count = ret; | |
1918 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1919 | if (ret) { | |
ad038fa8 | 1920 | msix_failed: |
73208dfd AC |
1921 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
1922 | " support, giving up -- %d/%d\n", | |
1923 | ha->msix_count, ret); | |
1924 | goto msix_out; | |
1925 | } | |
2afa19a9 | 1926 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
1927 | } |
1928 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1929 | ha->msix_count, GFP_KERNEL); | |
1930 | if (!ha->msix_entries) { | |
1931 | ret = -ENOMEM; | |
a8488abe AV |
1932 | goto msix_out; |
1933 | } | |
1934 | ha->flags.msix_enabled = 1; | |
1935 | ||
73208dfd AC |
1936 | for (i = 0; i < ha->msix_count; i++) { |
1937 | qentry = &ha->msix_entries[i]; | |
1938 | qentry->vector = entries[i].vector; | |
1939 | qentry->entry = entries[i].entry; | |
a8488abe | 1940 | qentry->have_irq = 0; |
73208dfd | 1941 | qentry->rsp = NULL; |
a8488abe AV |
1942 | } |
1943 | ||
2afa19a9 AC |
1944 | /* Enable MSI-X vectors for the base queue */ |
1945 | for (i = 0; i < 2; i++) { | |
1946 | qentry = &ha->msix_entries[i]; | |
1947 | ret = request_irq(qentry->vector, msix_entries[i].handler, | |
1948 | 0, msix_entries[i].name, rsp); | |
1949 | if (ret) { | |
1950 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
1951 | "MSI-X: Unable to register handler -- %x/%d.\n", |
1952 | qentry->vector, ret); | |
2afa19a9 AC |
1953 | qla24xx_disable_msix(ha); |
1954 | ha->mqenable = 0; | |
1955 | goto msix_out; | |
1956 | } | |
1957 | qentry->have_irq = 1; | |
1958 | qentry->rsp = rsp; | |
1959 | rsp->msix = qentry; | |
73208dfd | 1960 | } |
73208dfd AC |
1961 | |
1962 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 1963 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 1964 | ha->mqenable = 1; |
73208dfd | 1965 | |
a8488abe | 1966 | msix_out: |
73208dfd | 1967 | kfree(entries); |
a8488abe AV |
1968 | return ret; |
1969 | } | |
1970 | ||
1971 | int | |
73208dfd | 1972 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1973 | { |
1974 | int ret; | |
963b0fdd | 1975 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1976 | |
1977 | /* If possible, enable MSI-X. */ | |
3a03eb79 AV |
1978 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
1979 | !IS_QLA8432(ha) && !IS_QLA8001(ha)) | |
a8488abe AV |
1980 | goto skip_msix; |
1981 | ||
e315cd28 AC |
1982 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
1983 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 1984 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
1985 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
1986 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
1987 | |
1988 | goto skip_msix; | |
1989 | } | |
1990 | ||
da7429f9 AV |
1991 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1992 | (ha->pdev->subsystem_device == 0x7040 || | |
1993 | ha->pdev->subsystem_device == 0x7041 || | |
1994 | ha->pdev->subsystem_device == 0x1705)) { | |
1995 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1996 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
1997 | ha->pdev->subsystem_vendor, | |
1998 | ha->pdev->subsystem_device)); | |
1999 | ||
2000 | goto skip_msi; | |
2001 | } | |
2002 | ||
73208dfd | 2003 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2004 | if (!ret) { |
2005 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2006 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2007 | ha->fw_attributes)); | |
963b0fdd | 2008 | goto clear_risc_ints; |
a8488abe AV |
2009 | } |
2010 | qla_printk(KERN_WARNING, ha, | |
2011 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
2012 | skip_msix: | |
cbedb601 | 2013 | |
3a03eb79 AV |
2014 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2015 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2016 | goto skip_msi; |
2017 | ||
2018 | ret = pci_enable_msi(ha->pdev); | |
2019 | if (!ret) { | |
2020 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2021 | ha->flags.msi_enabled = 1; | |
2022 | } | |
2023 | skip_msi: | |
2024 | ||
fd34f556 | 2025 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2026 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2027 | if (ret) { |
a8488abe AV |
2028 | qla_printk(KERN_WARNING, ha, |
2029 | "Failed to reserve interrupt %d already in use.\n", | |
2030 | ha->pdev->irq); | |
963b0fdd AV |
2031 | goto fail; |
2032 | } | |
2033 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2034 | clear_risc_ints: |
2035 | ||
3a03eb79 AV |
2036 | /* |
2037 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2038 | * Timing deltas during MSI-X/INTa transitions? | |
2039 | */ | |
2040 | if (IS_QLA81XX(ha)) | |
2041 | goto fail; | |
c6952483 | 2042 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2043 | if (IS_FWI2_CAPABLE(ha)) { |
2044 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2045 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2046 | } else { | |
2047 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2048 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2049 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2050 | } |
c6952483 | 2051 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2052 | |
963b0fdd | 2053 | fail: |
a8488abe AV |
2054 | return ret; |
2055 | } | |
2056 | ||
2057 | void | |
e315cd28 | 2058 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2059 | { |
e315cd28 | 2060 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2061 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2062 | |
2063 | if (ha->flags.msix_enabled) | |
2064 | qla24xx_disable_msix(ha); | |
cbedb601 | 2065 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2066 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2067 | pci_disable_msi(ha->pdev); |
2068 | } | |
a8488abe | 2069 | } |
e315cd28 | 2070 | |
73208dfd AC |
2071 | |
2072 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2073 | { | |
2074 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2075 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2076 | struct qla_msix_entry *msix = rsp->msix; |
2077 | int ret; | |
2078 | ||
2079 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2080 | if (ret) { | |
2081 | qla_printk(KERN_WARNING, ha, | |
2082 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2083 | msix->vector, ret); | |
2084 | return ret; | |
2085 | } | |
2086 | msix->have_irq = 1; | |
2087 | msix->rsp = rsp; | |
2088 | return ret; | |
2089 | } | |
2afa19a9 AC |
2090 | |
2091 | struct scsi_qla_host * | |
2092 | qla25xx_get_host(struct rsp_que *rsp) | |
2093 | { | |
2094 | srb_t *sp; | |
2095 | struct qla_hw_data *ha = rsp->hw; | |
2096 | struct scsi_qla_host *vha = NULL; | |
2097 | struct sts_entry_24xx *pkt; | |
2098 | struct req_que *req; | |
2099 | uint16_t que; | |
2100 | uint32_t handle; | |
2101 | ||
2102 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2103 | que = MSW(pkt->handle); | |
2104 | handle = (uint32_t) LSW(pkt->handle); | |
2105 | req = ha->req_q_map[que]; | |
2106 | if (handle < MAX_OUTSTANDING_COMMANDS) { | |
2107 | sp = req->outstanding_cmds[handle]; | |
2108 | if (sp) | |
2109 | return sp->fcport->vha; | |
2110 | else | |
2111 | goto base_que; | |
2112 | } | |
2113 | base_que: | |
2114 | vha = pci_get_drvdata(ha->pdev); | |
2115 | return vha; | |
2116 | } |