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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 */ | |
55903b9d SV |
601 | /* |
602 | * Handle only global and vn-port update events | |
603 | * | |
604 | * Relevant inputs: | |
605 | * mb[1] = N_Port handle of changed port | |
606 | * OR 0xffff for global event | |
607 | * mb[2] = New login state | |
608 | * 7 = Port logged out | |
609 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
610 | * | |
611 | * Skip processing if: | |
612 | * Event is global, vp_idx is NOT all vps, | |
613 | * vp_idx does not match | |
614 | * Event is not global, vp_idx does not match | |
615 | */ | |
616 | if ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) | |
617 | || (mb[1] != 0xffff)) { | |
618 | if (vha->vp_idx != (mb[3] & 0xff)) | |
619 | break; | |
620 | } | |
73208dfd | 621 | |
9764ff88 AV |
622 | /* Global event -- port logout or port unavailable. */ |
623 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
624 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
625 | vha->host_no)); | |
626 | DEBUG(printk(KERN_INFO | |
627 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
628 | vha->host_no, mb[1], mb[2], mb[3])); | |
629 | ||
630 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
631 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
632 | atomic_set(&vha->loop_down_timer, | |
633 | LOOP_DOWN_TIME); | |
634 | vha->device_flags |= DFLG_NO_CABLE; | |
635 | qla2x00_mark_all_devices_lost(vha, 1); | |
636 | } | |
637 | ||
638 | if (vha->vp_idx) { | |
639 | atomic_set(&vha->vp_state, VP_FAILED); | |
640 | fc_vport_set_state(vha->fc_vport, | |
641 | FC_VPORT_FAILED); | |
faadc5e7 | 642 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
643 | } |
644 | ||
645 | vha->flags.management_server_logged_in = 0; | |
646 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
647 | break; | |
648 | } | |
649 | ||
1da177e4 | 650 | /* |
cc3ef7bc | 651 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
652 | * event etc. earlier indicating loop is down) then process |
653 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
654 | */ | |
e315cd28 AC |
655 | atomic_set(&vha->loop_down_timer, 0); |
656 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
657 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 658 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 659 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 660 | mb[2], mb[3])); |
1da177e4 LT |
661 | break; |
662 | } | |
663 | ||
664 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 665 | vha->host_no)); |
1da177e4 | 666 | DEBUG(printk(KERN_INFO |
9a853f71 | 667 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 668 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
669 | |
670 | /* | |
671 | * Mark all devices as missing so we will login again. | |
672 | */ | |
e315cd28 | 673 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 674 | |
e315cd28 | 675 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 676 | |
e315cd28 | 677 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 678 | |
e315cd28 AC |
679 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
680 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
681 | break; |
682 | ||
683 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 684 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 685 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
686 | break; |
687 | /* Only handle SCNs for our Vport index. */ | |
a2d301e8 | 688 | if (vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 689 | break; |
1da177e4 | 690 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 691 | vha->host_no)); |
1da177e4 | 692 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 693 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 694 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 695 | |
59d72d87 | 696 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
697 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
698 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
699 | if (rscn_entry == host_pid) { |
700 | DEBUG(printk(KERN_INFO | |
701 | "scsi(%ld): Ignoring RSCN update to local host " | |
702 | "port ID (%06x)\n", | |
e315cd28 | 703 | vha->host_no, host_pid)); |
1da177e4 LT |
704 | break; |
705 | } | |
706 | ||
59d72d87 RA |
707 | /* Ignore reserved bits from RSCN-payload. */ |
708 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 709 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
710 | if (rscn_queue_index == MAX_RSCN_COUNT) |
711 | rscn_queue_index = 0; | |
e315cd28 AC |
712 | if (rscn_queue_index != vha->rscn_out_ptr) { |
713 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
714 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 715 | } else { |
e315cd28 | 716 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
717 | } |
718 | ||
e315cd28 AC |
719 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
720 | atomic_set(&vha->loop_down_timer, 0); | |
721 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 722 | |
e315cd28 AC |
723 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
724 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
725 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
726 | break; |
727 | ||
728 | /* case MBA_RIO_RESPONSE: */ | |
729 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 730 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 731 | vha->host_no)); |
1da177e4 | 732 | |
e428924c | 733 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 734 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 735 | else |
73208dfd | 736 | qla2x00_process_response_queue(rsp); |
1da177e4 | 737 | break; |
9a853f71 AV |
738 | |
739 | case MBA_DISCARD_RND_FRAME: | |
740 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 741 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 742 | break; |
45ebeb56 AV |
743 | |
744 | case MBA_TRACE_NOTIFICATION: | |
745 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 746 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 747 | break; |
4d4df193 HK |
748 | |
749 | case MBA_ISP84XX_ALERT: | |
750 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 751 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
752 | |
753 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
754 | switch (mb[1]) { | |
755 | case A84_PANIC_RECOVERY: | |
756 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
757 | "%04x %04x\n", mb[2], mb[3]); | |
758 | break; | |
759 | case A84_OP_LOGIN_COMPLETE: | |
760 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
761 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
762 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
763 | break; | |
764 | case A84_DIAG_LOGIN_COMPLETE: | |
765 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
766 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
767 | "diagnostic firmware version %x\n", | |
768 | ha->cs84xx->diag_fw_version)); | |
769 | break; | |
770 | case A84_GOLD_LOGIN_COMPLETE: | |
771 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
772 | ha->cs84xx->fw_update = 1; | |
773 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
774 | "firmware version %x\n", | |
775 | ha->cs84xx->gold_fw_version)); | |
776 | break; | |
777 | default: | |
778 | qla_printk(KERN_ERR, ha, | |
779 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
780 | mb[1], mb[2], mb[3]); | |
781 | } | |
782 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
783 | break; | |
3a03eb79 AV |
784 | case MBA_DCBX_START: |
785 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
786 | vha->host_no, mb[1], mb[2], mb[3])); | |
787 | break; | |
788 | case MBA_DCBX_PARAM_UPDATE: | |
789 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
790 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
791 | break; | |
792 | case MBA_FCF_CONF_ERR: | |
793 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
794 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
795 | break; | |
796 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 797 | case MBA_IDC_NOTIFY: |
3a03eb79 | 798 | case MBA_IDC_TIME_EXT: |
8a659571 | 799 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 800 | break; |
1da177e4 | 801 | } |
2c3dfe3f | 802 | |
e315cd28 | 803 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 804 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
805 | } |
806 | ||
df7baa50 AV |
807 | static void |
808 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
809 | { | |
810 | fc_port_t *fcport = data; | |
73208dfd AC |
811 | struct scsi_qla_host *vha = fcport->vha; |
812 | struct qla_hw_data *ha = vha->hw; | |
813 | struct req_que *req = NULL; | |
814 | ||
a13d8ac0 MR |
815 | if (!ql2xqfulltracking) |
816 | return; | |
817 | ||
2afa19a9 | 818 | req = vha->req; |
73208dfd AC |
819 | if (!req) |
820 | return; | |
821 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
822 | return; |
823 | ||
824 | if (sdev->ordered_tags) | |
825 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
826 | sdev->queue_depth + 1); | |
827 | else | |
828 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
829 | sdev->queue_depth + 1); | |
830 | ||
831 | fcport->last_ramp_up = jiffies; | |
832 | ||
e315cd28 | 833 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 834 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 835 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
836 | sdev->queue_depth)); |
837 | } | |
838 | ||
839 | static void | |
840 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
841 | { | |
842 | fc_port_t *fcport = data; | |
843 | ||
844 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
845 | return; | |
846 | ||
e315cd28 | 847 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 848 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 849 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
850 | sdev->queue_depth)); |
851 | } | |
852 | ||
853 | static inline void | |
73208dfd AC |
854 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
855 | srb_t *sp) | |
df7baa50 AV |
856 | { |
857 | fc_port_t *fcport; | |
858 | struct scsi_device *sdev; | |
859 | ||
a13d8ac0 MR |
860 | if (!ql2xqfulltracking) |
861 | return; | |
862 | ||
df7baa50 | 863 | sdev = sp->cmd->device; |
73208dfd | 864 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
865 | return; |
866 | ||
867 | fcport = sp->fcport; | |
868 | if (time_before(jiffies, | |
869 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
870 | return; | |
871 | if (time_before(jiffies, | |
872 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
873 | return; | |
874 | ||
df7baa50 AV |
875 | starget_for_each_device(sdev->sdev_target, fcport, |
876 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
877 | } |
878 | ||
1da177e4 LT |
879 | /** |
880 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
881 | * @ha: SCSI driver HA context | |
882 | * @index: SRB index | |
883 | */ | |
884 | static void | |
73208dfd AC |
885 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
886 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
887 | { |
888 | srb_t *sp; | |
e315cd28 | 889 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
890 | |
891 | /* Validate handle. */ | |
892 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
893 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 894 | vha->host_no, index)); |
1da177e4 LT |
895 | qla_printk(KERN_WARNING, ha, |
896 | "Invalid SCSI completion handle %d.\n", index); | |
897 | ||
e315cd28 | 898 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
899 | return; |
900 | } | |
901 | ||
e315cd28 | 902 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
903 | if (sp) { |
904 | /* Free outstanding command slot. */ | |
e315cd28 | 905 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 906 | |
1da177e4 LT |
907 | /* Save ISP completion status */ |
908 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 909 | |
73208dfd AC |
910 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
911 | qla2x00_sp_compl(ha, sp); | |
1da177e4 | 912 | } else { |
2afa19a9 AC |
913 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
914 | " handle(%d)\n", vha->host_no, req->id, index)); | |
1da177e4 LT |
915 | qla_printk(KERN_WARNING, ha, |
916 | "Invalid ISP SCSI completion handle\n"); | |
917 | ||
e315cd28 | 918 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
919 | } |
920 | } | |
921 | ||
922 | /** | |
923 | * qla2x00_process_response_queue() - Process response queue entries. | |
924 | * @ha: SCSI driver HA context | |
925 | */ | |
926 | void | |
73208dfd | 927 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 928 | { |
73208dfd AC |
929 | struct scsi_qla_host *vha; |
930 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 931 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
932 | sts_entry_t *pkt; |
933 | uint16_t handle_cnt; | |
934 | uint16_t cnt; | |
73208dfd | 935 | |
2afa19a9 | 936 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 937 | |
e315cd28 | 938 | if (!vha->flags.online) |
1da177e4 LT |
939 | return; |
940 | ||
e315cd28 AC |
941 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
942 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 943 | |
e315cd28 AC |
944 | rsp->ring_index++; |
945 | if (rsp->ring_index == rsp->length) { | |
946 | rsp->ring_index = 0; | |
947 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 948 | } else { |
e315cd28 | 949 | rsp->ring_ptr++; |
1da177e4 LT |
950 | } |
951 | ||
952 | if (pkt->entry_status != 0) { | |
953 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 954 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 955 | |
73208dfd | 956 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
957 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
958 | wmb(); | |
959 | continue; | |
960 | } | |
961 | ||
962 | switch (pkt->entry_type) { | |
963 | case STATUS_TYPE: | |
73208dfd | 964 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
965 | break; |
966 | case STATUS_TYPE_21: | |
967 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
968 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 969 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
970 | ((sts21_entry_t *)pkt)->handle[cnt]); |
971 | } | |
972 | break; | |
973 | case STATUS_TYPE_22: | |
974 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
975 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 976 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
977 | ((sts22_entry_t *)pkt)->handle[cnt]); |
978 | } | |
979 | break; | |
980 | case STATUS_CONT_TYPE: | |
2afa19a9 | 981 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 982 | break; |
1da177e4 LT |
983 | default: |
984 | /* Type Not Supported. */ | |
985 | DEBUG4(printk(KERN_WARNING | |
986 | "scsi(%ld): Received unknown response pkt type %x " | |
987 | "entry status=%x.\n", | |
e315cd28 | 988 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
989 | break; |
990 | } | |
991 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
992 | wmb(); | |
993 | } | |
994 | ||
995 | /* Adjust ring index */ | |
e315cd28 | 996 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
997 | } |
998 | ||
4733fcb1 | 999 | static inline void |
2afa19a9 AC |
1000 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, |
1001 | struct rsp_que *rsp) | |
4733fcb1 AV |
1002 | { |
1003 | struct scsi_cmnd *cp = sp->cmd; | |
1004 | ||
1005 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1006 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1007 | ||
4733fcb1 AV |
1008 | sp->request_sense_length = sense_len; |
1009 | sp->request_sense_ptr = cp->sense_buffer; | |
1010 | if (sp->request_sense_length > 32) | |
1011 | sense_len = 32; | |
1012 | ||
1013 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1014 | ||
1015 | sp->request_sense_ptr += sense_len; | |
1016 | sp->request_sense_length -= sense_len; | |
1017 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1018 | rsp->status_srb = sp; |
4733fcb1 AV |
1019 | |
1020 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 1021 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
1022 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
1023 | cp->serial_number)); | |
4733fcb1 | 1024 | if (sense_len) |
ddb9b126 | 1025 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1026 | } |
1027 | ||
1da177e4 LT |
1028 | /** |
1029 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1030 | * @ha: SCSI driver HA context | |
1031 | * @pkt: Entry pointer | |
1032 | */ | |
1033 | static void | |
73208dfd | 1034 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1035 | { |
1da177e4 | 1036 | srb_t *sp; |
1da177e4 LT |
1037 | fc_port_t *fcport; |
1038 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1039 | sts_entry_t *sts; |
1040 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1041 | uint16_t comp_status; |
1042 | uint16_t scsi_status; | |
1043 | uint8_t lscsi_status; | |
1044 | int32_t resid; | |
ed17c71b | 1045 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 1046 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1047 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1048 | uint32_t handle; |
1049 | uint16_t que; | |
1050 | struct req_que *req; | |
9a853f71 AV |
1051 | |
1052 | sts = (sts_entry_t *) pkt; | |
1053 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1054 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1055 | comp_status = le16_to_cpu(sts24->comp_status); |
1056 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1057 | } else { | |
1058 | comp_status = le16_to_cpu(sts->comp_status); | |
1059 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1060 | } | |
2afa19a9 AC |
1061 | handle = (uint32_t) LSW(sts->handle); |
1062 | que = MSW(sts->handle); | |
1063 | req = ha->req_q_map[que]; | |
1da177e4 | 1064 | /* Fast path completion. */ |
9a853f71 | 1065 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1066 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1067 | |
1068 | return; | |
1069 | } | |
1070 | ||
1071 | /* Validate handle. */ | |
2afa19a9 AC |
1072 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1073 | sp = req->outstanding_cmds[handle]; | |
1074 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1075 | } else |
1076 | sp = NULL; | |
1077 | ||
1078 | if (sp == NULL) { | |
1079 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1080 | vha->host_no)); |
1da177e4 LT |
1081 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1082 | ||
e315cd28 AC |
1083 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1084 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1085 | return; |
1086 | } | |
1087 | cp = sp->cmd; | |
1088 | if (cp == NULL) { | |
1089 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
2afa19a9 | 1090 | "pkt->handle=%d sp=%p.\n", vha->host_no, handle, sp)); |
1da177e4 LT |
1091 | qla_printk(KERN_WARNING, ha, |
1092 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1093 | ||
1094 | return; | |
1095 | } | |
1096 | ||
9a853f71 | 1097 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1098 | |
bdf79621 | 1099 | fcport = sp->fcport; |
1da177e4 | 1100 | |
ed17c71b | 1101 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1102 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1103 | sense_len = le32_to_cpu(sts24->sense_len); |
1104 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1105 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 1106 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
1107 | rsp_info = sts24->data; |
1108 | sense_data = sts24->data; | |
1109 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1110 | } else { | |
1111 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1112 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1113 | resid_len = le32_to_cpu(sts->residual_length); | |
1114 | rsp_info = sts->rsp_info; | |
1115 | sense_data = sts->req_sense_data; | |
1116 | } | |
1117 | ||
1da177e4 LT |
1118 | /* Check for any FCP transport errors. */ |
1119 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1120 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1121 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1122 | sense_data += rsp_info_len; |
1123 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1124 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1125 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1126 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1127 | cp->device->channel, cp->device->id, |
1128 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1129 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1130 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1131 | |
1132 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1133 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1134 | return; |
1135 | } | |
1136 | } | |
1137 | ||
3e8ce320 AV |
1138 | /* Check for overrun. */ |
1139 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1140 | scsi_status & SS_RESIDUAL_OVER) | |
1141 | comp_status = CS_DATA_OVERRUN; | |
1142 | ||
1da177e4 LT |
1143 | /* |
1144 | * Based on Host and scsi status generate status code for Linux | |
1145 | */ | |
1146 | switch (comp_status) { | |
1147 | case CS_COMPLETE: | |
df7baa50 | 1148 | case CS_QUEUE_FULL: |
1da177e4 LT |
1149 | if (scsi_status == 0) { |
1150 | cp->result = DID_OK << 16; | |
1151 | break; | |
1152 | } | |
1153 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1154 | resid = resid_len; |
385d70b4 | 1155 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1156 | |
1157 | if (!lscsi_status && | |
385d70b4 | 1158 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1159 | cp->underflow)) { |
1160 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1161 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1162 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1163 | "error status.\n", vha->host_no, |
385d70b4 FT |
1164 | cp->device->channel, cp->device->id, |
1165 | cp->device->lun, resid, | |
1166 | scsi_bufflen(cp)); | |
0da69df1 AV |
1167 | |
1168 | cp->result = DID_ERROR << 16; | |
1169 | break; | |
1170 | } | |
1da177e4 | 1171 | } |
1da177e4 LT |
1172 | cp->result = DID_OK << 16 | lscsi_status; |
1173 | ||
df7baa50 AV |
1174 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1175 | DEBUG2(printk(KERN_INFO | |
1176 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1177 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1178 | scsi_status)); |
1179 | ||
1180 | /* Adjust queue depth for all luns on the port. */ | |
a13d8ac0 MR |
1181 | if (!ql2xqfulltracking) |
1182 | break; | |
df7baa50 | 1183 | fcport->last_queue_full = jiffies; |
df7baa50 AV |
1184 | starget_for_each_device(cp->device->sdev_target, |
1185 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1186 | break; |
1187 | } | |
1da177e4 LT |
1188 | if (lscsi_status != SS_CHECK_CONDITION) |
1189 | break; | |
1190 | ||
b80ca4f7 | 1191 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1192 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1193 | break; | |
1194 | ||
2afa19a9 | 1195 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1196 | break; |
1197 | ||
1198 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1199 | resid = resid_len; |
ed17c71b | 1200 | /* Use F/W calculated residual length. */ |
6acf8190 | 1201 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1202 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1203 | lscsi_status = 0; | |
1204 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1205 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1206 | lscsi_status = 0; | |
1207 | } | |
ed17c71b | 1208 | resid = fw_resid_len; |
6acf8190 | 1209 | } |
ed17c71b | 1210 | |
1da177e4 | 1211 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1212 | scsi_set_resid(cp, resid); |
e038a1be AV |
1213 | } else { |
1214 | DEBUG2(printk(KERN_INFO | |
1215 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1216 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1217 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1218 | cp->device->id, cp->device->lun, comp_status, |
1219 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1220 | cp->underflow)); | |
e038a1be | 1221 | |
1da177e4 LT |
1222 | } |
1223 | ||
1224 | /* | |
fa2a1ce5 | 1225 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1226 | * Status. |
1227 | */ | |
1228 | if (lscsi_status != 0) { | |
1da177e4 LT |
1229 | cp->result = DID_OK << 16 | lscsi_status; |
1230 | ||
ffec28a3 AV |
1231 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1232 | DEBUG2(printk(KERN_INFO | |
1233 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1234 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1235 | scsi_status)); |
1236 | ||
1237 | /* | |
1238 | * Adjust queue depth for all luns on the | |
1239 | * port. | |
1240 | */ | |
a13d8ac0 MR |
1241 | if (!ql2xqfulltracking) |
1242 | break; | |
ffec28a3 AV |
1243 | fcport->last_queue_full = jiffies; |
1244 | starget_for_each_device( | |
1245 | cp->device->sdev_target, fcport, | |
1246 | qla2x00_adjust_sdev_qdepth_down); | |
1247 | break; | |
1248 | } | |
1da177e4 LT |
1249 | if (lscsi_status != SS_CHECK_CONDITION) |
1250 | break; | |
1251 | ||
b80ca4f7 | 1252 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1253 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1254 | break; | |
1255 | ||
2afa19a9 | 1256 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1257 | } else { |
1258 | /* | |
1259 | * If RISC reports underrun and target does not report | |
1260 | * it then we must have a lost frame, so tell upper | |
94b3aa47 | 1261 | * layer to retry it by reporting an error. |
1da177e4 LT |
1262 | */ |
1263 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1264 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1265 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1266 | "retrying command.\n", |
1267 | vha->host_no, cp->device->channel, | |
1268 | cp->device->id, cp->device->lun, resid, | |
1269 | scsi_bufflen(cp))); | |
1da177e4 | 1270 | |
8f1f3ece | 1271 | scsi_set_resid(cp, resid); |
94b3aa47 | 1272 | cp->result = DID_ERROR << 16; |
1da177e4 LT |
1273 | break; |
1274 | } | |
1275 | ||
1276 | /* Handle mid-layer underflow */ | |
385d70b4 | 1277 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1278 | cp->underflow) { |
1279 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1280 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1281 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1282 | "error status.\n", vha->host_no, |
385d70b4 FT |
1283 | cp->device->channel, cp->device->id, |
1284 | cp->device->lun, resid, | |
1285 | scsi_bufflen(cp)); | |
1da177e4 LT |
1286 | |
1287 | cp->result = DID_ERROR << 16; | |
1288 | break; | |
1289 | } | |
1290 | ||
1291 | /* Everybody online, looking good... */ | |
1292 | cp->result = DID_OK << 16; | |
1293 | } | |
1294 | break; | |
1295 | ||
1296 | case CS_DATA_OVERRUN: | |
1297 | DEBUG2(printk(KERN_INFO | |
1298 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1299 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1300 | scsi_status)); |
1da177e4 LT |
1301 | DEBUG2(printk(KERN_INFO |
1302 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1303 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1304 | cp->cmnd[4], cp->cmnd[5])); | |
1305 | DEBUG2(printk(KERN_INFO | |
1306 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1307 | "status!\n", | |
385d70b4 | 1308 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1309 | |
1310 | cp->result = DID_ERROR << 16; | |
1311 | break; | |
1312 | ||
1313 | case CS_PORT_LOGGED_OUT: | |
1314 | case CS_PORT_CONFIG_CHG: | |
1315 | case CS_PORT_BUSY: | |
1316 | case CS_INCOMPLETE: | |
1317 | case CS_PORT_UNAVAILABLE: | |
1318 | /* | |
1319 | * If the port is in Target Down state, return all IOs for this | |
1320 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1321 | * retry_queue. | |
1322 | */ | |
1da177e4 LT |
1323 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1324 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1325 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1326 | cp->serial_number, comp_status, |
1da177e4 LT |
1327 | atomic_read(&fcport->state))); |
1328 | ||
056a4483 MC |
1329 | /* |
1330 | * We are going to have the fc class block the rport | |
1331 | * while we try to recover so instruct the mid layer | |
1332 | * to requeue until the class decides how to handle this. | |
1333 | */ | |
1334 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1335 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1336 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1337 | break; |
1338 | ||
1339 | case CS_RESET: | |
1340 | DEBUG2(printk(KERN_INFO | |
1341 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1342 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1343 | |
f4f051eb | 1344 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1345 | break; |
1346 | ||
1347 | case CS_ABORTED: | |
fa2a1ce5 | 1348 | /* |
1da177e4 LT |
1349 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1350 | * aborted this request then abort otherwise it must be a | |
1351 | * reset. | |
1352 | */ | |
1353 | DEBUG2(printk(KERN_INFO | |
1354 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1355 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1356 | |
1357 | cp->result = DID_RESET << 16; | |
1358 | break; | |
1359 | ||
1360 | case CS_TIMEOUT: | |
056a4483 MC |
1361 | /* |
1362 | * We are going to have the fc class block the rport | |
1363 | * while we try to recover so instruct the mid layer | |
1364 | * to requeue until the class decides how to handle this. | |
1365 | */ | |
1366 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1367 | |
e428924c | 1368 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1369 | DEBUG2(printk(KERN_INFO |
1370 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1371 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1372 | cp->device->id, cp->device->lun, comp_status, |
1373 | scsi_status)); | |
1374 | break; | |
1375 | } | |
1da177e4 LT |
1376 | DEBUG2(printk(KERN_INFO |
1377 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1378 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1379 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1380 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1381 | |
9a853f71 AV |
1382 | /* Check to see if logout occurred. */ |
1383 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1384 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1385 | break; |
1386 | ||
1da177e4 LT |
1387 | default: |
1388 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1389 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1390 | qla_printk(KERN_INFO, ha, |
1391 | "Unknown status detected 0x%x-0x%x.\n", | |
1392 | comp_status, scsi_status); | |
1393 | ||
1394 | cp->result = DID_ERROR << 16; | |
1395 | break; | |
1396 | } | |
1397 | ||
1398 | /* Place command on done queue. */ | |
2afa19a9 | 1399 | if (rsp->status_srb == NULL) |
73208dfd | 1400 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1401 | } |
1402 | ||
1403 | /** | |
1404 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1405 | * @ha: SCSI driver HA context | |
1406 | * @pkt: Entry pointer | |
1407 | * | |
1408 | * Extended sense data. | |
1409 | */ | |
1410 | static void | |
2afa19a9 | 1411 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1412 | { |
1413 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1414 | struct qla_hw_data *ha = rsp->hw; |
1415 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1416 | struct scsi_cmnd *cp; |
1417 | ||
1418 | if (sp != NULL && sp->request_sense_length != 0) { | |
1419 | cp = sp->cmd; | |
1420 | if (cp == NULL) { | |
1421 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1422 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1423 | qla_printk(KERN_INFO, ha, |
1424 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1425 | sp); |
1da177e4 | 1426 | |
2afa19a9 | 1427 | rsp->status_srb = NULL; |
1da177e4 LT |
1428 | return; |
1429 | } | |
1430 | ||
1431 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1432 | sense_sz = sizeof(pkt->data); | |
1433 | } else { | |
1434 | sense_sz = sp->request_sense_length; | |
1435 | } | |
1436 | ||
1437 | /* Move sense data. */ | |
e428924c | 1438 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1439 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1440 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1441 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1442 | ||
1443 | sp->request_sense_ptr += sense_sz; | |
1444 | sp->request_sense_length -= sense_sz; | |
1445 | ||
1446 | /* Place command on done queue. */ | |
1447 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1448 | rsp->status_srb = NULL; |
73208dfd | 1449 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1450 | } |
1451 | } | |
1452 | } | |
1453 | ||
1454 | /** | |
1455 | * qla2x00_error_entry() - Process an error entry. | |
1456 | * @ha: SCSI driver HA context | |
1457 | * @pkt: Entry pointer | |
1458 | */ | |
1459 | static void | |
73208dfd | 1460 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1461 | { |
1462 | srb_t *sp; | |
e315cd28 | 1463 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1464 | uint32_t handle = LSW(pkt->handle); |
1465 | uint16_t que = MSW(pkt->handle); | |
1466 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1467 | #if defined(QL_DEBUG_LEVEL_2) |
1468 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1469 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1470 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1471 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1472 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1473 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1474 | "%s: Invalid Entry Parameter\n", __func__); |
1475 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1476 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1477 | else if (pkt->entry_status & RF_BUSY) | |
1478 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1479 | else | |
1480 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1481 | #endif | |
1482 | ||
1483 | /* Validate handle. */ | |
2afa19a9 AC |
1484 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1485 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1486 | else |
1487 | sp = NULL; | |
1488 | ||
1489 | if (sp) { | |
1490 | /* Free outstanding command slot. */ | |
2afa19a9 | 1491 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1492 | |
1da177e4 LT |
1493 | /* Bad payload or header */ |
1494 | if (pkt->entry_status & | |
1495 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1496 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1497 | sp->cmd->result = DID_ERROR << 16; | |
1498 | } else if (pkt->entry_status & RF_BUSY) { | |
1499 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1500 | } else { | |
1501 | sp->cmd->result = DID_ERROR << 16; | |
1502 | } | |
73208dfd | 1503 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1504 | |
9a853f71 AV |
1505 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1506 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1507 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1508 | vha->host_no)); |
1da177e4 LT |
1509 | qla_printk(KERN_WARNING, ha, |
1510 | "Error entry - invalid handle\n"); | |
1511 | ||
e315cd28 AC |
1512 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1513 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1514 | } |
1515 | } | |
1516 | ||
9a853f71 AV |
1517 | /** |
1518 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1519 | * @ha: SCSI driver HA context | |
1520 | * @mb0: Mailbox0 register | |
1521 | */ | |
1522 | static void | |
e315cd28 | 1523 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1524 | { |
1525 | uint16_t cnt; | |
1526 | uint16_t __iomem *wptr; | |
e315cd28 | 1527 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1528 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1529 | ||
1530 | /* Load return mailbox registers. */ | |
1531 | ha->flags.mbox_int = 1; | |
1532 | ha->mailbox_out[0] = mb0; | |
1533 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1534 | ||
1535 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1536 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1537 | wptr++; | |
1538 | } | |
1539 | ||
1540 | if (ha->mcp) { | |
1541 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1542 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1543 | } else { |
1544 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1545 | __func__, vha->host_no)); |
9a853f71 AV |
1546 | } |
1547 | } | |
1548 | ||
1549 | /** | |
1550 | * qla24xx_process_response_queue() - Process response queue entries. | |
1551 | * @ha: SCSI driver HA context | |
1552 | */ | |
2afa19a9 AC |
1553 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1554 | struct rsp_que *rsp) | |
9a853f71 | 1555 | { |
9a853f71 AV |
1556 | struct sts_entry_24xx *pkt; |
1557 | ||
e315cd28 | 1558 | if (!vha->flags.online) |
9a853f71 AV |
1559 | return; |
1560 | ||
e315cd28 AC |
1561 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1562 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1563 | |
e315cd28 AC |
1564 | rsp->ring_index++; |
1565 | if (rsp->ring_index == rsp->length) { | |
1566 | rsp->ring_index = 0; | |
1567 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1568 | } else { |
e315cd28 | 1569 | rsp->ring_ptr++; |
9a853f71 AV |
1570 | } |
1571 | ||
1572 | if (pkt->entry_status != 0) { | |
1573 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1574 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1575 | |
73208dfd | 1576 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1577 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1578 | wmb(); | |
1579 | continue; | |
1580 | } | |
1581 | ||
1582 | switch (pkt->entry_type) { | |
1583 | case STATUS_TYPE: | |
73208dfd | 1584 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1585 | break; |
1586 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1587 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1588 | break; |
2c3dfe3f | 1589 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1590 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1591 | (struct vp_rpt_id_entry_24xx *)pkt); |
1592 | break; | |
9a853f71 AV |
1593 | default: |
1594 | /* Type Not Supported. */ | |
1595 | DEBUG4(printk(KERN_WARNING | |
1596 | "scsi(%ld): Received unknown response pkt type %x " | |
1597 | "entry status=%x.\n", | |
e315cd28 | 1598 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1599 | break; |
1600 | } | |
1601 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1602 | wmb(); | |
1603 | } | |
1604 | ||
1605 | /* Adjust ring index */ | |
08029990 | 1606 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
9a853f71 AV |
1607 | } |
1608 | ||
05236a05 | 1609 | static void |
e315cd28 | 1610 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1611 | { |
1612 | int rval; | |
1613 | uint32_t cnt; | |
e315cd28 | 1614 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1615 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1616 | ||
3a03eb79 | 1617 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1618 | return; |
1619 | ||
1620 | rval = QLA_SUCCESS; | |
1621 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1622 | RD_REG_DWORD(®->iobase_addr); | |
1623 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1624 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1625 | rval == QLA_SUCCESS; cnt--) { | |
1626 | if (cnt) { | |
1627 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1628 | udelay(10); | |
1629 | } else | |
1630 | rval = QLA_FUNCTION_TIMEOUT; | |
1631 | } | |
1632 | if (rval == QLA_SUCCESS) | |
1633 | goto next_test; | |
1634 | ||
1635 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1636 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1637 | rval == QLA_SUCCESS; cnt--) { | |
1638 | if (cnt) { | |
1639 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1640 | udelay(10); | |
1641 | } else | |
1642 | rval = QLA_FUNCTION_TIMEOUT; | |
1643 | } | |
1644 | if (rval != QLA_SUCCESS) | |
1645 | goto done; | |
1646 | ||
1647 | next_test: | |
1648 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1649 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1650 | ||
1651 | done: | |
1652 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1653 | RD_REG_DWORD(®->iobase_window); | |
1654 | } | |
1655 | ||
9a853f71 AV |
1656 | /** |
1657 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1658 | * @irq: | |
1659 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1660 | * |
1661 | * Called by system whenever the host adapter generates an interrupt. | |
1662 | * | |
1663 | * Returns handled flag. | |
1664 | */ | |
1665 | irqreturn_t | |
7d12e780 | 1666 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1667 | { |
e315cd28 AC |
1668 | scsi_qla_host_t *vha; |
1669 | struct qla_hw_data *ha; | |
9a853f71 AV |
1670 | struct device_reg_24xx __iomem *reg; |
1671 | int status; | |
9a853f71 AV |
1672 | unsigned long iter; |
1673 | uint32_t stat; | |
1674 | uint32_t hccr; | |
1675 | uint16_t mb[4]; | |
e315cd28 | 1676 | struct rsp_que *rsp; |
43fac4d9 | 1677 | unsigned long flags; |
9a853f71 | 1678 | |
e315cd28 AC |
1679 | rsp = (struct rsp_que *) dev_id; |
1680 | if (!rsp) { | |
9a853f71 | 1681 | printk(KERN_INFO |
e315cd28 | 1682 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1683 | return IRQ_NONE; |
1684 | } | |
1685 | ||
e315cd28 | 1686 | ha = rsp->hw; |
9a853f71 AV |
1687 | reg = &ha->iobase->isp24; |
1688 | status = 0; | |
1689 | ||
43fac4d9 | 1690 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 1691 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
1692 | for (iter = 50; iter--; ) { |
1693 | stat = RD_REG_DWORD(®->host_status); | |
1694 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1695 | if (pci_channel_offline(ha->pdev)) |
1696 | break; | |
1697 | ||
9a853f71 AV |
1698 | hccr = RD_REG_DWORD(®->hccr); |
1699 | ||
1700 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1701 | "Dumping firmware!\n", hccr); | |
05236a05 | 1702 | |
e315cd28 | 1703 | qla2xxx_check_risc_status(vha); |
05236a05 | 1704 | |
e315cd28 AC |
1705 | ha->isp_ops->fw_dump(vha, 1); |
1706 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1707 | break; |
1708 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1709 | break; | |
1710 | ||
1711 | switch (stat & 0xff) { | |
1712 | case 0x1: | |
1713 | case 0x2: | |
1714 | case 0x10: | |
1715 | case 0x11: | |
e315cd28 | 1716 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1717 | status |= MBX_INTERRUPT; |
1718 | ||
1719 | break; | |
1720 | case 0x12: | |
1721 | mb[0] = MSW(stat); | |
1722 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1723 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1724 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1725 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1726 | break; |
1727 | case 0x13: | |
73208dfd | 1728 | case 0x14: |
2afa19a9 | 1729 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
1730 | break; |
1731 | default: | |
1732 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1733 | "(%d).\n", | |
e315cd28 | 1734 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1735 | break; |
1736 | } | |
1737 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1738 | RD_REG_DWORD_RELAXED(®->hccr); | |
1739 | } | |
43fac4d9 | 1740 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
1741 | |
1742 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1743 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1744 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1745 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1746 | } |
1747 | ||
1748 | return IRQ_HANDLED; | |
1749 | } | |
1750 | ||
a8488abe AV |
1751 | static irqreturn_t |
1752 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1753 | { | |
e315cd28 AC |
1754 | struct qla_hw_data *ha; |
1755 | struct rsp_que *rsp; | |
a8488abe | 1756 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 1757 | struct scsi_qla_host *vha; |
a8488abe | 1758 | |
e315cd28 AC |
1759 | rsp = (struct rsp_que *) dev_id; |
1760 | if (!rsp) { | |
1761 | printk(KERN_INFO | |
1762 | "%s(): NULL response queue pointer\n", __func__); | |
1763 | return IRQ_NONE; | |
1764 | } | |
1765 | ha = rsp->hw; | |
a8488abe AV |
1766 | reg = &ha->iobase->isp24; |
1767 | ||
0e973a24 | 1768 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1769 | |
2afa19a9 AC |
1770 | vha = qla25xx_get_host(rsp); |
1771 | qla24xx_process_response_queue(vha, rsp); | |
a8488abe | 1772 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1773 | |
0e973a24 | 1774 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1775 | |
1776 | return IRQ_HANDLED; | |
1777 | } | |
1778 | ||
68ca949c AC |
1779 | static irqreturn_t |
1780 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1781 | { | |
1782 | struct qla_hw_data *ha; | |
1783 | struct rsp_que *rsp; | |
1784 | ||
1785 | rsp = (struct rsp_que *) dev_id; | |
1786 | if (!rsp) { | |
1787 | printk(KERN_INFO | |
1788 | "%s(): NULL response queue pointer\n", __func__); | |
1789 | return IRQ_NONE; | |
1790 | } | |
1791 | ha = rsp->hw; | |
1792 | ||
1793 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); | |
1794 | ||
1795 | return IRQ_HANDLED; | |
1796 | } | |
1797 | ||
a8488abe AV |
1798 | static irqreturn_t |
1799 | qla24xx_msix_default(int irq, void *dev_id) | |
1800 | { | |
e315cd28 AC |
1801 | scsi_qla_host_t *vha; |
1802 | struct qla_hw_data *ha; | |
1803 | struct rsp_que *rsp; | |
a8488abe AV |
1804 | struct device_reg_24xx __iomem *reg; |
1805 | int status; | |
a8488abe AV |
1806 | uint32_t stat; |
1807 | uint32_t hccr; | |
1808 | uint16_t mb[4]; | |
1809 | ||
e315cd28 AC |
1810 | rsp = (struct rsp_que *) dev_id; |
1811 | if (!rsp) { | |
1812 | DEBUG(printk( | |
1813 | "%s(): NULL response queue pointer\n", __func__)); | |
1814 | return IRQ_NONE; | |
1815 | } | |
1816 | ha = rsp->hw; | |
a8488abe AV |
1817 | reg = &ha->iobase->isp24; |
1818 | status = 0; | |
1819 | ||
0e973a24 | 1820 | spin_lock_irq(&ha->hardware_lock); |
2afa19a9 | 1821 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 1822 | do { |
a8488abe AV |
1823 | stat = RD_REG_DWORD(®->host_status); |
1824 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1825 | if (pci_channel_offline(ha->pdev)) |
1826 | break; | |
1827 | ||
a8488abe AV |
1828 | hccr = RD_REG_DWORD(®->hccr); |
1829 | ||
1830 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1831 | "Dumping firmware!\n", hccr); | |
05236a05 | 1832 | |
e315cd28 | 1833 | qla2xxx_check_risc_status(vha); |
05236a05 | 1834 | |
e315cd28 AC |
1835 | ha->isp_ops->fw_dump(vha, 1); |
1836 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1837 | break; |
1838 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1839 | break; | |
1840 | ||
1841 | switch (stat & 0xff) { | |
1842 | case 0x1: | |
1843 | case 0x2: | |
1844 | case 0x10: | |
1845 | case 0x11: | |
e315cd28 | 1846 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1847 | status |= MBX_INTERRUPT; |
1848 | ||
1849 | break; | |
1850 | case 0x12: | |
1851 | mb[0] = MSW(stat); | |
1852 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1853 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1854 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1855 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1856 | break; |
1857 | case 0x13: | |
73208dfd | 1858 | case 0x14: |
2afa19a9 | 1859 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
1860 | break; |
1861 | default: | |
1862 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1863 | "(%d).\n", | |
e315cd28 | 1864 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1865 | break; |
1866 | } | |
1867 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1868 | } while (0); |
0e973a24 | 1869 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1870 | |
1871 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1872 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1873 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1874 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1875 | } |
1876 | ||
1877 | return IRQ_HANDLED; | |
1878 | } | |
1879 | ||
1880 | /* Interrupt handling helpers. */ | |
1881 | ||
1882 | struct qla_init_msix_entry { | |
a8488abe | 1883 | const char *name; |
476834c2 | 1884 | irq_handler_t handler; |
a8488abe AV |
1885 | }; |
1886 | ||
68ca949c | 1887 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
1888 | { "qla2xxx (default)", qla24xx_msix_default }, |
1889 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 1890 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
1891 | }; |
1892 | ||
1893 | static void | |
e315cd28 | 1894 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1895 | { |
1896 | int i; | |
1897 | struct qla_msix_entry *qentry; | |
1898 | ||
73208dfd AC |
1899 | for (i = 0; i < ha->msix_count; i++) { |
1900 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1901 | if (qentry->have_irq) |
73208dfd | 1902 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1903 | } |
1904 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1905 | kfree(ha->msix_entries); |
1906 | ha->msix_entries = NULL; | |
1907 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1908 | } |
1909 | ||
1910 | static int | |
73208dfd | 1911 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 1912 | { |
ad038fa8 | 1913 | #define MIN_MSIX_COUNT 2 |
a8488abe | 1914 | int i, ret; |
73208dfd | 1915 | struct msix_entry *entries; |
a8488abe | 1916 | struct qla_msix_entry *qentry; |
73208dfd AC |
1917 | |
1918 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1919 | GFP_KERNEL); | |
1920 | if (!entries) | |
1921 | return -ENOMEM; | |
a8488abe | 1922 | |
73208dfd AC |
1923 | for (i = 0; i < ha->msix_count; i++) |
1924 | entries[i].entry = i; | |
a8488abe | 1925 | |
73208dfd | 1926 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 1927 | if (ret) { |
ad038fa8 LC |
1928 | if (ret < MIN_MSIX_COUNT) |
1929 | goto msix_failed; | |
1930 | ||
a8488abe | 1931 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
1932 | "MSI-X: Failed to enable support -- %d/%d\n" |
1933 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1934 | ha->msix_count = ret; | |
1935 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1936 | if (ret) { | |
ad038fa8 | 1937 | msix_failed: |
73208dfd AC |
1938 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
1939 | " support, giving up -- %d/%d\n", | |
1940 | ha->msix_count, ret); | |
1941 | goto msix_out; | |
1942 | } | |
2afa19a9 | 1943 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
1944 | } |
1945 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1946 | ha->msix_count, GFP_KERNEL); | |
1947 | if (!ha->msix_entries) { | |
1948 | ret = -ENOMEM; | |
a8488abe AV |
1949 | goto msix_out; |
1950 | } | |
1951 | ha->flags.msix_enabled = 1; | |
1952 | ||
73208dfd AC |
1953 | for (i = 0; i < ha->msix_count; i++) { |
1954 | qentry = &ha->msix_entries[i]; | |
1955 | qentry->vector = entries[i].vector; | |
1956 | qentry->entry = entries[i].entry; | |
a8488abe | 1957 | qentry->have_irq = 0; |
73208dfd | 1958 | qentry->rsp = NULL; |
a8488abe AV |
1959 | } |
1960 | ||
2afa19a9 AC |
1961 | /* Enable MSI-X vectors for the base queue */ |
1962 | for (i = 0; i < 2; i++) { | |
1963 | qentry = &ha->msix_entries[i]; | |
1964 | ret = request_irq(qentry->vector, msix_entries[i].handler, | |
1965 | 0, msix_entries[i].name, rsp); | |
1966 | if (ret) { | |
1967 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
1968 | "MSI-X: Unable to register handler -- %x/%d.\n", |
1969 | qentry->vector, ret); | |
2afa19a9 AC |
1970 | qla24xx_disable_msix(ha); |
1971 | ha->mqenable = 0; | |
1972 | goto msix_out; | |
1973 | } | |
1974 | qentry->have_irq = 1; | |
1975 | qentry->rsp = rsp; | |
1976 | rsp->msix = qentry; | |
73208dfd | 1977 | } |
73208dfd AC |
1978 | |
1979 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 1980 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 1981 | ha->mqenable = 1; |
73208dfd | 1982 | |
a8488abe | 1983 | msix_out: |
73208dfd | 1984 | kfree(entries); |
a8488abe AV |
1985 | return ret; |
1986 | } | |
1987 | ||
1988 | int | |
73208dfd | 1989 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1990 | { |
1991 | int ret; | |
963b0fdd | 1992 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1993 | |
1994 | /* If possible, enable MSI-X. */ | |
3a03eb79 AV |
1995 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
1996 | !IS_QLA8432(ha) && !IS_QLA8001(ha)) | |
a8488abe AV |
1997 | goto skip_msix; |
1998 | ||
e315cd28 AC |
1999 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2000 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2001 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2002 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2003 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2004 | |
2005 | goto skip_msix; | |
2006 | } | |
2007 | ||
da7429f9 AV |
2008 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
2009 | (ha->pdev->subsystem_device == 0x7040 || | |
2010 | ha->pdev->subsystem_device == 0x7041 || | |
2011 | ha->pdev->subsystem_device == 0x1705)) { | |
2012 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2013 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
2014 | ha->pdev->subsystem_vendor, | |
2015 | ha->pdev->subsystem_device)); | |
2016 | ||
2017 | goto skip_msi; | |
2018 | } | |
2019 | ||
73208dfd | 2020 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2021 | if (!ret) { |
2022 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2023 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2024 | ha->fw_attributes)); | |
963b0fdd | 2025 | goto clear_risc_ints; |
a8488abe AV |
2026 | } |
2027 | qla_printk(KERN_WARNING, ha, | |
2028 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
2029 | skip_msix: | |
cbedb601 | 2030 | |
3a03eb79 AV |
2031 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2032 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2033 | goto skip_msi; |
2034 | ||
2035 | ret = pci_enable_msi(ha->pdev); | |
2036 | if (!ret) { | |
2037 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2038 | ha->flags.msi_enabled = 1; | |
2039 | } | |
2040 | skip_msi: | |
2041 | ||
fd34f556 | 2042 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2043 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2044 | if (ret) { |
a8488abe AV |
2045 | qla_printk(KERN_WARNING, ha, |
2046 | "Failed to reserve interrupt %d already in use.\n", | |
2047 | ha->pdev->irq); | |
963b0fdd AV |
2048 | goto fail; |
2049 | } | |
2050 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2051 | clear_risc_ints: |
2052 | ||
3a03eb79 AV |
2053 | /* |
2054 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2055 | * Timing deltas during MSI-X/INTa transitions? | |
2056 | */ | |
2057 | if (IS_QLA81XX(ha)) | |
2058 | goto fail; | |
c6952483 | 2059 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2060 | if (IS_FWI2_CAPABLE(ha)) { |
2061 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2062 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2063 | } else { | |
2064 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2065 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2066 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2067 | } |
c6952483 | 2068 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2069 | |
963b0fdd | 2070 | fail: |
a8488abe AV |
2071 | return ret; |
2072 | } | |
2073 | ||
2074 | void | |
e315cd28 | 2075 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2076 | { |
e315cd28 | 2077 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2078 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2079 | |
2080 | if (ha->flags.msix_enabled) | |
2081 | qla24xx_disable_msix(ha); | |
cbedb601 | 2082 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2083 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2084 | pci_disable_msi(ha->pdev); |
2085 | } | |
a8488abe | 2086 | } |
e315cd28 | 2087 | |
73208dfd AC |
2088 | |
2089 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2090 | { | |
2091 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2092 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2093 | struct qla_msix_entry *msix = rsp->msix; |
2094 | int ret; | |
2095 | ||
2096 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2097 | if (ret) { | |
2098 | qla_printk(KERN_WARNING, ha, | |
2099 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2100 | msix->vector, ret); | |
2101 | return ret; | |
2102 | } | |
2103 | msix->have_irq = 1; | |
2104 | msix->rsp = rsp; | |
2105 | return ret; | |
2106 | } | |
2afa19a9 AC |
2107 | |
2108 | struct scsi_qla_host * | |
2109 | qla25xx_get_host(struct rsp_que *rsp) | |
2110 | { | |
2111 | srb_t *sp; | |
2112 | struct qla_hw_data *ha = rsp->hw; | |
2113 | struct scsi_qla_host *vha = NULL; | |
2114 | struct sts_entry_24xx *pkt; | |
2115 | struct req_que *req; | |
2116 | uint16_t que; | |
2117 | uint32_t handle; | |
2118 | ||
2119 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2120 | que = MSW(pkt->handle); | |
2121 | handle = (uint32_t) LSW(pkt->handle); | |
2122 | req = ha->req_q_map[que]; | |
2123 | if (handle < MAX_OUTSTANDING_COMMANDS) { | |
2124 | sp = req->outstanding_cmds[handle]; | |
2125 | if (sp) | |
2126 | return sp->fcport->vha; | |
2127 | else | |
2128 | goto base_que; | |
2129 | } | |
2130 | base_que: | |
2131 | vha = pci_get_drvdata(ha->pdev); | |
2132 | return vha; | |
2133 | } |