Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
de7c5d05 | 3 | * Copyright (c) 2003-2010 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
5a0e3ad6 | 10 | #include <linux/slab.h> |
df7baa50 | 11 | #include <scsi/scsi_tcq.h> |
9a069e19 | 12 | #include <scsi/scsi_bsg_fc.h> |
bad75002 | 13 | #include <scsi/scsi_eh.h> |
df7baa50 | 14 | |
1da177e4 | 15 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
16 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
17 | struct req_que *, uint32_t); | |
18 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
2afa19a9 | 19 | static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
73208dfd AC |
20 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
21 | sts_entry_t *); | |
9a853f71 | 22 | |
1da177e4 LT |
23 | /** |
24 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
25 | * @irq: | |
26 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
27 | * |
28 | * Called by system whenever the host adapter generates an interrupt. | |
29 | * | |
30 | * Returns handled flag. | |
31 | */ | |
32 | irqreturn_t | |
7d12e780 | 33 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 34 | { |
e315cd28 AC |
35 | scsi_qla_host_t *vha; |
36 | struct qla_hw_data *ha; | |
3d71644c | 37 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 38 | int status; |
1da177e4 | 39 | unsigned long iter; |
14e660e6 | 40 | uint16_t hccr; |
9a853f71 | 41 | uint16_t mb[4]; |
e315cd28 | 42 | struct rsp_que *rsp; |
43fac4d9 | 43 | unsigned long flags; |
1da177e4 | 44 | |
e315cd28 AC |
45 | rsp = (struct rsp_que *) dev_id; |
46 | if (!rsp) { | |
1da177e4 | 47 | printk(KERN_INFO |
e315cd28 | 48 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
49 | return (IRQ_NONE); |
50 | } | |
51 | ||
e315cd28 | 52 | ha = rsp->hw; |
3d71644c | 53 | reg = &ha->iobase->isp; |
1da177e4 LT |
54 | status = 0; |
55 | ||
43fac4d9 | 56 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 57 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 58 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
59 | hccr = RD_REG_WORD(®->hccr); |
60 | if (hccr & HCCR_RISC_PAUSE) { | |
61 | if (pci_channel_offline(ha->pdev)) | |
62 | break; | |
63 | ||
64 | /* | |
65 | * Issue a "HARD" reset in order for the RISC interrupt | |
66 | * bit to be cleared. Schedule a big hammmer to get | |
67 | * out of the RISC PAUSED state. | |
68 | */ | |
69 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
70 | RD_REG_WORD(®->hccr); | |
71 | ||
e315cd28 AC |
72 | ha->isp_ops->fw_dump(vha, 1); |
73 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
74 | break; |
75 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
76 | break; |
77 | ||
78 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
79 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
80 | RD_REG_WORD(®->hccr); | |
81 | ||
82 | /* Get mailbox data. */ | |
9a853f71 AV |
83 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
84 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 85 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 86 | status |= MBX_INTERRUPT; |
9a853f71 AV |
87 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
88 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
89 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
90 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 91 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
92 | } else { |
93 | /*EMPTY*/ | |
94 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 95 | "interrupt type (%d).\n", |
e315cd28 | 96 | vha->host_no, mb[0])); |
1da177e4 LT |
97 | } |
98 | /* Release mailbox registers. */ | |
99 | WRT_REG_WORD(®->semaphore, 0); | |
100 | RD_REG_WORD(®->semaphore); | |
101 | } else { | |
73208dfd | 102 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
103 | |
104 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
105 | RD_REG_WORD(®->hccr); | |
106 | } | |
107 | } | |
43fac4d9 | 108 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 109 | |
1da177e4 LT |
110 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
111 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 112 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 113 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
114 | } |
115 | ||
1da177e4 LT |
116 | return (IRQ_HANDLED); |
117 | } | |
118 | ||
119 | /** | |
120 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
121 | * @irq: | |
122 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
123 | * |
124 | * Called by system whenever the host adapter generates an interrupt. | |
125 | * | |
126 | * Returns handled flag. | |
127 | */ | |
128 | irqreturn_t | |
7d12e780 | 129 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 130 | { |
e315cd28 | 131 | scsi_qla_host_t *vha; |
3d71644c | 132 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 133 | int status; |
1da177e4 LT |
134 | unsigned long iter; |
135 | uint32_t stat; | |
1da177e4 | 136 | uint16_t hccr; |
9a853f71 | 137 | uint16_t mb[4]; |
e315cd28 AC |
138 | struct rsp_que *rsp; |
139 | struct qla_hw_data *ha; | |
43fac4d9 | 140 | unsigned long flags; |
1da177e4 | 141 | |
e315cd28 AC |
142 | rsp = (struct rsp_que *) dev_id; |
143 | if (!rsp) { | |
1da177e4 | 144 | printk(KERN_INFO |
e315cd28 | 145 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
146 | return (IRQ_NONE); |
147 | } | |
148 | ||
e315cd28 | 149 | ha = rsp->hw; |
3d71644c | 150 | reg = &ha->iobase->isp; |
1da177e4 LT |
151 | status = 0; |
152 | ||
43fac4d9 | 153 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 154 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 LT |
155 | for (iter = 50; iter--; ) { |
156 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
157 | if (stat & HSR_RISC_PAUSED) { | |
85880801 | 158 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
159 | break; |
160 | ||
1da177e4 LT |
161 | hccr = RD_REG_WORD(®->hccr); |
162 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
163 | qla_printk(KERN_INFO, ha, "Parity error -- " |
164 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 165 | else |
07f31805 AV |
166 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
167 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
168 | |
169 | /* | |
170 | * Issue a "HARD" reset in order for the RISC | |
171 | * interrupt bit to be cleared. Schedule a big | |
172 | * hammmer to get out of the RISC PAUSED state. | |
173 | */ | |
174 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
175 | RD_REG_WORD(®->hccr); | |
07f31805 | 176 | |
e315cd28 AC |
177 | ha->isp_ops->fw_dump(vha, 1); |
178 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
179 | break; |
180 | } else if ((stat & HSR_RISC_INT) == 0) | |
181 | break; | |
182 | ||
1da177e4 | 183 | switch (stat & 0xff) { |
1da177e4 LT |
184 | case 0x1: |
185 | case 0x2: | |
186 | case 0x10: | |
187 | case 0x11: | |
e315cd28 | 188 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
189 | status |= MBX_INTERRUPT; |
190 | ||
191 | /* Release mailbox registers. */ | |
192 | WRT_REG_WORD(®->semaphore, 0); | |
193 | break; | |
194 | case 0x12: | |
9a853f71 AV |
195 | mb[0] = MSW(stat); |
196 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
197 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
198 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 199 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
200 | break; |
201 | case 0x13: | |
73208dfd | 202 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
203 | break; |
204 | case 0x15: | |
9a853f71 AV |
205 | mb[0] = MBA_CMPLT_1_16BIT; |
206 | mb[1] = MSW(stat); | |
73208dfd | 207 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
208 | break; |
209 | case 0x16: | |
9a853f71 AV |
210 | mb[0] = MBA_SCSI_COMPLETION; |
211 | mb[1] = MSW(stat); | |
212 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 213 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
214 | break; |
215 | default: | |
216 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 217 | "(%d).\n", |
e315cd28 | 218 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
219 | break; |
220 | } | |
221 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
222 | RD_REG_WORD_RELAXED(®->hccr); | |
223 | } | |
43fac4d9 | 224 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 225 | |
1da177e4 LT |
226 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
227 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 228 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 229 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
230 | } |
231 | ||
1da177e4 LT |
232 | return (IRQ_HANDLED); |
233 | } | |
234 | ||
235 | /** | |
236 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
237 | * @ha: SCSI driver HA context | |
238 | * @mb0: Mailbox0 register | |
239 | */ | |
240 | static void | |
e315cd28 | 241 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
242 | { |
243 | uint16_t cnt; | |
244 | uint16_t __iomem *wptr; | |
e315cd28 | 245 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 246 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
247 | |
248 | /* Load return mailbox registers. */ | |
249 | ha->flags.mbox_int = 1; | |
250 | ha->mailbox_out[0] = mb0; | |
251 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
252 | ||
253 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 254 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
255 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
256 | if (cnt == 4 || cnt == 5) | |
257 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
258 | else | |
259 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 260 | |
1da177e4 LT |
261 | wptr++; |
262 | } | |
263 | ||
264 | if (ha->mcp) { | |
265 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 266 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
267 | } else { |
268 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 269 | __func__, vha->host_no)); |
1da177e4 LT |
270 | } |
271 | } | |
272 | ||
8a659571 AV |
273 | static void |
274 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
275 | { | |
276 | static char *event[] = | |
277 | { "Complete", "Request Notification", "Time Extension" }; | |
278 | int rval; | |
279 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
280 | uint16_t __iomem *wptr; | |
281 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
282 | ||
283 | /* Seed data -- mailbox1 -> mailbox7. */ | |
284 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
285 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
286 | mb[cnt] = RD_REG_WORD(wptr); | |
287 | ||
288 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
289 | "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, | |
290 | event[aen & 0xff], | |
291 | mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); | |
292 | ||
293 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
294 | timeout = (descr >> 8) & 0xf; | |
295 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
296 | return; | |
297 | ||
298 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
299 | "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); | |
300 | ||
301 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
302 | if (rval != QLA_SUCCESS) | |
303 | qla_printk(KERN_WARNING, vha->hw, | |
304 | "IDC failed to post ACK.\n"); | |
305 | } | |
306 | ||
1da177e4 LT |
307 | /** |
308 | * qla2x00_async_event() - Process aynchronous events. | |
309 | * @ha: SCSI driver HA context | |
9a853f71 | 310 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 311 | */ |
2c3dfe3f | 312 | void |
73208dfd | 313 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 314 | { |
9a853f71 | 315 | #define LS_UNKNOWN 2 |
3a03eb79 | 316 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 317 | char *link_speed; |
1da177e4 | 318 | uint16_t handle_cnt; |
bdab23da | 319 | uint16_t cnt, mbx; |
1da177e4 | 320 | uint32_t handles[5]; |
e315cd28 | 321 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 322 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 323 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
1da177e4 LT |
324 | uint32_t rscn_entry, host_pid; |
325 | uint8_t rscn_queue_index; | |
4d4df193 | 326 | unsigned long flags; |
1da177e4 LT |
327 | |
328 | /* Setup to process RIO completion. */ | |
329 | handle_cnt = 0; | |
a9083016 | 330 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 331 | goto skip_rio; |
1da177e4 LT |
332 | switch (mb[0]) { |
333 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 334 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
335 | handle_cnt = 1; |
336 | break; | |
337 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 338 | handles[0] = mb[1]; |
1da177e4 LT |
339 | handle_cnt = 1; |
340 | mb[0] = MBA_SCSI_COMPLETION; | |
341 | break; | |
342 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
343 | handles[0] = mb[1]; |
344 | handles[1] = mb[2]; | |
1da177e4 LT |
345 | handle_cnt = 2; |
346 | mb[0] = MBA_SCSI_COMPLETION; | |
347 | break; | |
348 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
349 | handles[0] = mb[1]; |
350 | handles[1] = mb[2]; | |
351 | handles[2] = mb[3]; | |
1da177e4 LT |
352 | handle_cnt = 3; |
353 | mb[0] = MBA_SCSI_COMPLETION; | |
354 | break; | |
355 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
356 | handles[0] = mb[1]; |
357 | handles[1] = mb[2]; | |
358 | handles[2] = mb[3]; | |
1da177e4 LT |
359 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
360 | handle_cnt = 4; | |
361 | mb[0] = MBA_SCSI_COMPLETION; | |
362 | break; | |
363 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
364 | handles[0] = mb[1]; |
365 | handles[1] = mb[2]; | |
366 | handles[2] = mb[3]; | |
1da177e4 LT |
367 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
368 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
369 | handle_cnt = 5; | |
370 | mb[0] = MBA_SCSI_COMPLETION; | |
371 | break; | |
372 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 373 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
374 | handles[1] = le32_to_cpu( |
375 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
376 | RD_MAILBOX_REG(ha, reg, 6)); | |
377 | handle_cnt = 2; | |
378 | mb[0] = MBA_SCSI_COMPLETION; | |
379 | break; | |
380 | default: | |
381 | break; | |
382 | } | |
3a03eb79 | 383 | skip_rio: |
1da177e4 LT |
384 | switch (mb[0]) { |
385 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 386 | if (!vha->flags.online) |
1da177e4 LT |
387 | break; |
388 | ||
389 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
390 | qla2x00_process_completed_request(vha, rsp->req, |
391 | handles[cnt]); | |
1da177e4 LT |
392 | break; |
393 | ||
394 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
395 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
396 | vha->host_no)); | |
1da177e4 | 397 | |
e315cd28 | 398 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
399 | break; |
400 | ||
401 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 402 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
1da177e4 | 403 | qla_printk(KERN_INFO, ha, |
bdab23da AV |
404 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
405 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 406 | |
e315cd28 | 407 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 408 | |
e428924c | 409 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
410 | if (mb[1] == 0 && mb[2] == 0) { |
411 | qla_printk(KERN_ERR, ha, | |
412 | "Unrecoverable Hardware Error: adapter " | |
413 | "marked OFFLINE!\n"); | |
e315cd28 | 414 | vha->flags.online = 0; |
b1d46989 MI |
415 | } else { |
416 | /* Check to see if MPI timeout occured */ | |
417 | if ((mbx & MBX_3) && (ha->flags.port0)) | |
418 | set_bit(MPI_RESET_NEEDED, | |
419 | &vha->dpc_flags); | |
420 | ||
e315cd28 | 421 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
b1d46989 | 422 | } |
9a853f71 | 423 | } else if (mb[1] == 0) { |
1da177e4 LT |
424 | qla_printk(KERN_INFO, ha, |
425 | "Unrecoverable Hardware Error: adapter marked " | |
426 | "OFFLINE!\n"); | |
e315cd28 | 427 | vha->flags.online = 0; |
1da177e4 | 428 | } else |
e315cd28 | 429 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
430 | break; |
431 | ||
432 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
bdab23da AV |
433 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n", |
434 | vha->host_no, mb[1])); | |
435 | qla_printk(KERN_WARNING, ha, | |
436 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 437 | |
e315cd28 | 438 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
439 | break; |
440 | ||
441 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
442 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 443 | vha->host_no)); |
1da177e4 LT |
444 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
445 | ||
e315cd28 | 446 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
447 | break; |
448 | ||
449 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
450 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 451 | vha->host_no)); |
1da177e4 LT |
452 | break; |
453 | ||
454 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 455 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 456 | mb[1])); |
cc3ef7bc | 457 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 458 | |
e315cd28 AC |
459 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
460 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
461 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
462 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
463 | } |
464 | ||
e315cd28 AC |
465 | if (vha->vp_idx) { |
466 | atomic_set(&vha->vp_state, VP_FAILED); | |
467 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
468 | } |
469 | ||
e315cd28 AC |
470 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
471 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 472 | |
e315cd28 AC |
473 | vha->flags.management_server_logged_in = 0; |
474 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
475 | break; |
476 | ||
477 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
478 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
479 | link_speed = link_speeds[0]; | |
d8b45213 | 480 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 481 | } else { |
9a853f71 | 482 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
483 | if (mb[1] < 5) |
484 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
485 | else if (mb[1] == 0x13) |
486 | link_speed = link_speeds[5]; | |
1da177e4 LT |
487 | ha->link_data_rate = mb[1]; |
488 | } | |
489 | ||
490 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 491 | vha->host_no, link_speed)); |
1da177e4 LT |
492 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
493 | link_speed); | |
494 | ||
e315cd28 AC |
495 | vha->flags.management_server_logged_in = 0; |
496 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
497 | break; |
498 | ||
499 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 500 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
4d4df193 | 501 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
bdab23da AV |
502 | "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3], |
503 | mbx)); | |
504 | qla_printk(KERN_INFO, ha, | |
505 | "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], | |
506 | mbx); | |
1da177e4 | 507 | |
e315cd28 AC |
508 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
509 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
510 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
511 | vha->device_flags |= DFLG_NO_CABLE; | |
512 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
513 | } |
514 | ||
e315cd28 AC |
515 | if (vha->vp_idx) { |
516 | atomic_set(&vha->vp_state, VP_FAILED); | |
517 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
518 | } |
519 | ||
e315cd28 | 520 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 521 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 522 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
523 | break; |
524 | ||
525 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 526 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 527 | vha->host_no, mb[1])); |
1da177e4 | 528 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 529 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 530 | |
e315cd28 AC |
531 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
532 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
533 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
534 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
535 | } |
536 | ||
e315cd28 AC |
537 | if (vha->vp_idx) { |
538 | atomic_set(&vha->vp_state, VP_FAILED); | |
539 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
540 | } |
541 | ||
e315cd28 | 542 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
543 | |
544 | ha->operating_mode = LOOP; | |
e315cd28 AC |
545 | vha->flags.management_server_logged_in = 0; |
546 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
547 | break; |
548 | ||
3a03eb79 | 549 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
550 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
551 | if (IS_QLA2100(ha)) | |
552 | break; | |
553 | ||
23f2ebd1 | 554 | if (IS_QLA8XXX_TYPE(ha)) { |
3a03eb79 AV |
555 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " |
556 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
23f2ebd1 SR |
557 | if (ha->notify_dcbx_comp) |
558 | complete(&ha->dcbx_comp); | |
559 | ||
560 | } else | |
3a03eb79 AV |
561 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " |
562 | "received.\n", vha->host_no)); | |
1da177e4 LT |
563 | |
564 | /* | |
565 | * Until there's a transition from loop down to loop up, treat | |
566 | * this as loop down only. | |
567 | */ | |
e315cd28 AC |
568 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
569 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
570 | if (!atomic_read(&vha->loop_down_timer)) | |
571 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 572 | LOOP_DOWN_TIME); |
e315cd28 | 573 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
574 | } |
575 | ||
e315cd28 AC |
576 | if (vha->vp_idx) { |
577 | atomic_set(&vha->vp_state, VP_FAILED); | |
578 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
579 | } |
580 | ||
e315cd28 AC |
581 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
582 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
583 | ||
584 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
585 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
586 | |
587 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 588 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
589 | break; |
590 | ||
591 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
592 | if (IS_QLA2100(ha)) | |
593 | break; | |
594 | ||
1da177e4 LT |
595 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
596 | "received.\n", | |
e315cd28 | 597 | vha->host_no)); |
1da177e4 LT |
598 | qla_printk(KERN_INFO, ha, |
599 | "Configuration change detected: value=%x.\n", mb[1]); | |
600 | ||
e315cd28 AC |
601 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
602 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
603 | if (!atomic_read(&vha->loop_down_timer)) | |
604 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 605 | LOOP_DOWN_TIME); |
e315cd28 | 606 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
607 | } |
608 | ||
e315cd28 AC |
609 | if (vha->vp_idx) { |
610 | atomic_set(&vha->vp_state, VP_FAILED); | |
611 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
612 | } |
613 | ||
e315cd28 AC |
614 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
615 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
616 | break; |
617 | ||
618 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
619 | /* |
620 | * Handle only global and vn-port update events | |
621 | * | |
622 | * Relevant inputs: | |
623 | * mb[1] = N_Port handle of changed port | |
624 | * OR 0xffff for global event | |
625 | * mb[2] = New login state | |
626 | * 7 = Port logged out | |
627 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
628 | * | |
629 | * Skip processing if: | |
630 | * Event is global, vp_idx is NOT all vps, | |
631 | * vp_idx does not match | |
632 | * Event is not global, vp_idx does not match | |
633 | */ | |
12cec63e AV |
634 | if (IS_QLA2XXX_MIDTYPE(ha) && |
635 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
636 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
637 | break; | |
73208dfd | 638 | |
9764ff88 AV |
639 | /* Global event -- port logout or port unavailable. */ |
640 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
641 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
642 | vha->host_no)); | |
643 | DEBUG(printk(KERN_INFO | |
644 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
645 | vha->host_no, mb[1], mb[2], mb[3])); | |
646 | ||
647 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
648 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
649 | atomic_set(&vha->loop_down_timer, | |
650 | LOOP_DOWN_TIME); | |
651 | vha->device_flags |= DFLG_NO_CABLE; | |
652 | qla2x00_mark_all_devices_lost(vha, 1); | |
653 | } | |
654 | ||
655 | if (vha->vp_idx) { | |
656 | atomic_set(&vha->vp_state, VP_FAILED); | |
657 | fc_vport_set_state(vha->fc_vport, | |
658 | FC_VPORT_FAILED); | |
faadc5e7 | 659 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
660 | } |
661 | ||
662 | vha->flags.management_server_logged_in = 0; | |
663 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
664 | break; | |
665 | } | |
666 | ||
1da177e4 | 667 | /* |
cc3ef7bc | 668 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
669 | * event etc. earlier indicating loop is down) then process |
670 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
671 | */ | |
e315cd28 AC |
672 | atomic_set(&vha->loop_down_timer, 0); |
673 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
674 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 675 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 676 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 677 | mb[2], mb[3])); |
1da177e4 LT |
678 | break; |
679 | } | |
680 | ||
681 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 682 | vha->host_no)); |
1da177e4 | 683 | DEBUG(printk(KERN_INFO |
9a853f71 | 684 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 685 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
686 | |
687 | /* | |
688 | * Mark all devices as missing so we will login again. | |
689 | */ | |
e315cd28 | 690 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 691 | |
e315cd28 | 692 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 693 | |
e315cd28 | 694 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 695 | |
e315cd28 AC |
696 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
697 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
698 | break; |
699 | ||
700 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 701 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 702 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
703 | break; |
704 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 705 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 706 | break; |
0d6e61bc | 707 | |
1da177e4 | 708 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 709 | vha->host_no)); |
1da177e4 | 710 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 711 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 712 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 713 | |
59d72d87 | 714 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
715 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
716 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
717 | if (rscn_entry == host_pid) { |
718 | DEBUG(printk(KERN_INFO | |
719 | "scsi(%ld): Ignoring RSCN update to local host " | |
720 | "port ID (%06x)\n", | |
e315cd28 | 721 | vha->host_no, host_pid)); |
1da177e4 LT |
722 | break; |
723 | } | |
724 | ||
59d72d87 RA |
725 | /* Ignore reserved bits from RSCN-payload. */ |
726 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 727 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
728 | if (rscn_queue_index == MAX_RSCN_COUNT) |
729 | rscn_queue_index = 0; | |
e315cd28 AC |
730 | if (rscn_queue_index != vha->rscn_out_ptr) { |
731 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
732 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 733 | } else { |
e315cd28 | 734 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
735 | } |
736 | ||
e315cd28 AC |
737 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
738 | atomic_set(&vha->loop_down_timer, 0); | |
739 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 740 | |
e315cd28 AC |
741 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
742 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
743 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
744 | break; |
745 | ||
746 | /* case MBA_RIO_RESPONSE: */ | |
747 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 748 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 749 | vha->host_no)); |
1da177e4 | 750 | |
e428924c | 751 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 752 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 753 | else |
73208dfd | 754 | qla2x00_process_response_queue(rsp); |
1da177e4 | 755 | break; |
9a853f71 AV |
756 | |
757 | case MBA_DISCARD_RND_FRAME: | |
758 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 759 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 760 | break; |
45ebeb56 AV |
761 | |
762 | case MBA_TRACE_NOTIFICATION: | |
763 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 764 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 765 | break; |
4d4df193 HK |
766 | |
767 | case MBA_ISP84XX_ALERT: | |
768 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 769 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
770 | |
771 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
772 | switch (mb[1]) { | |
773 | case A84_PANIC_RECOVERY: | |
774 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
775 | "%04x %04x\n", mb[2], mb[3]); | |
776 | break; | |
777 | case A84_OP_LOGIN_COMPLETE: | |
778 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
779 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
780 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
781 | break; | |
782 | case A84_DIAG_LOGIN_COMPLETE: | |
783 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
784 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
785 | "diagnostic firmware version %x\n", | |
786 | ha->cs84xx->diag_fw_version)); | |
787 | break; | |
788 | case A84_GOLD_LOGIN_COMPLETE: | |
789 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
790 | ha->cs84xx->fw_update = 1; | |
791 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
792 | "firmware version %x\n", | |
793 | ha->cs84xx->gold_fw_version)); | |
794 | break; | |
795 | default: | |
796 | qla_printk(KERN_ERR, ha, | |
797 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
798 | mb[1], mb[2], mb[3]); | |
799 | } | |
800 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
801 | break; | |
3a03eb79 AV |
802 | case MBA_DCBX_START: |
803 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
804 | vha->host_no, mb[1], mb[2], mb[3])); | |
805 | break; | |
806 | case MBA_DCBX_PARAM_UPDATE: | |
807 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
808 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
809 | break; | |
810 | case MBA_FCF_CONF_ERR: | |
811 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
812 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
813 | break; | |
814 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 815 | case MBA_IDC_NOTIFY: |
3a03eb79 | 816 | case MBA_IDC_TIME_EXT: |
8a659571 | 817 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 818 | break; |
1da177e4 | 819 | } |
2c3dfe3f | 820 | |
e315cd28 | 821 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 822 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
823 | } |
824 | ||
825 | /** | |
826 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
827 | * @ha: SCSI driver HA context | |
828 | * @index: SRB index | |
829 | */ | |
830 | static void | |
73208dfd AC |
831 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
832 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
833 | { |
834 | srb_t *sp; | |
e315cd28 | 835 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
836 | |
837 | /* Validate handle. */ | |
838 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
839 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 840 | vha->host_no, index)); |
1da177e4 LT |
841 | qla_printk(KERN_WARNING, ha, |
842 | "Invalid SCSI completion handle %d.\n", index); | |
843 | ||
e315cd28 | 844 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
845 | return; |
846 | } | |
847 | ||
e315cd28 | 848 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
849 | if (sp) { |
850 | /* Free outstanding command slot. */ | |
e315cd28 | 851 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 852 | |
1da177e4 LT |
853 | /* Save ISP completion status */ |
854 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 855 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 856 | } else { |
2afa19a9 | 857 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
a9083016 | 858 | " handle(0x%x)\n", vha->host_no, req->id, index)); |
1da177e4 LT |
859 | qla_printk(KERN_WARNING, ha, |
860 | "Invalid ISP SCSI completion handle\n"); | |
861 | ||
e315cd28 | 862 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
863 | } |
864 | } | |
865 | ||
ac280b67 AV |
866 | static srb_t * |
867 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
868 | struct req_que *req, void *iocb) | |
869 | { | |
870 | struct qla_hw_data *ha = vha->hw; | |
871 | sts_entry_t *pkt = iocb; | |
872 | srb_t *sp = NULL; | |
873 | uint16_t index; | |
874 | ||
875 | index = LSW(pkt->handle); | |
876 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
877 | qla_printk(KERN_WARNING, ha, | |
878 | "%s: Invalid completion handle (%x).\n", func, index); | |
879 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
880 | goto done; | |
881 | } | |
882 | sp = req->outstanding_cmds[index]; | |
883 | if (!sp) { | |
884 | qla_printk(KERN_WARNING, ha, | |
885 | "%s: Invalid completion handle (%x) -- timed-out.\n", func, | |
886 | index); | |
887 | return sp; | |
888 | } | |
889 | if (sp->handle != index) { | |
890 | qla_printk(KERN_WARNING, ha, | |
891 | "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, | |
892 | index); | |
893 | return NULL; | |
894 | } | |
9a069e19 | 895 | |
ac280b67 | 896 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 897 | |
ac280b67 AV |
898 | done: |
899 | return sp; | |
900 | } | |
901 | ||
902 | static void | |
903 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
904 | struct mbx_entry *mbx) | |
905 | { | |
906 | const char func[] = "MBX-IOCB"; | |
907 | const char *type; | |
ac280b67 AV |
908 | fc_port_t *fcport; |
909 | srb_t *sp; | |
4916392b MI |
910 | struct srb_iocb *lio; |
911 | struct srb_ctx *ctx; | |
99b0bec7 | 912 | uint16_t *data; |
5ff1d584 | 913 | uint16_t status; |
ac280b67 AV |
914 | |
915 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
916 | if (!sp) | |
917 | return; | |
918 | ||
4916392b MI |
919 | ctx = sp->ctx; |
920 | lio = ctx->u.iocb_cmd; | |
921 | type = ctx->name; | |
ac280b67 | 922 | fcport = sp->fcport; |
4916392b | 923 | data = lio->u.logio.data; |
ac280b67 | 924 | |
5ff1d584 | 925 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 926 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 927 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
928 | if (mbx->entry_status) { |
929 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
930 | "scsi(%ld:%x): Async-%s error entry - portid=%02x%02x%02x " |
931 | "entry-status=%x status=%x state-flag=%x " | |
932 | "status-flags=%x.\n", | |
ac280b67 | 933 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
934 | fcport->d_id.b.domain, fcport->d_id.b.area, |
935 | fcport->d_id.b.al_pa, mbx->entry_status, | |
936 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), | |
ac280b67 | 937 | le16_to_cpu(mbx->status_flags))); |
d3fa9e7d | 938 | |
ac280b67 AV |
939 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx))); |
940 | ||
99b0bec7 | 941 | goto logio_done; |
ac280b67 AV |
942 | } |
943 | ||
5ff1d584 | 944 | status = le16_to_cpu(mbx->status); |
4916392b | 945 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
5ff1d584 AV |
946 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
947 | status = 0; | |
948 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
ac280b67 | 949 | DEBUG2(printk(KERN_DEBUG |
d3fa9e7d AV |
950 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
951 | "mbx1=%x.\n", | |
ac280b67 | 952 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
953 | fcport->d_id.b.domain, fcport->d_id.b.area, |
954 | fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1))); | |
ac280b67 AV |
955 | |
956 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 957 | if (ctx->type == SRB_LOGIN_CMD) { |
99b0bec7 AV |
958 | fcport->port_type = FCT_TARGET; |
959 | if (le16_to_cpu(mbx->mb1) & BIT_0) | |
960 | fcport->port_type = FCT_INITIATOR; | |
6ac52608 | 961 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
99b0bec7 | 962 | fcport->flags |= FCF_FCP2_DEVICE; |
5ff1d584 | 963 | } |
99b0bec7 | 964 | goto logio_done; |
ac280b67 AV |
965 | } |
966 | ||
967 | data[0] = le16_to_cpu(mbx->mb0); | |
968 | switch (data[0]) { | |
969 | case MBS_PORT_ID_USED: | |
970 | data[1] = le16_to_cpu(mbx->mb1); | |
971 | break; | |
972 | case MBS_LOOP_ID_USED: | |
973 | break; | |
974 | default: | |
975 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
976 | break; |
977 | } | |
978 | ||
979 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
980 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x status=%x " |
981 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", | |
982 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
983 | fcport->d_id.b.area, fcport->d_id.b.al_pa, status, | |
ac280b67 AV |
984 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
985 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
986 | le16_to_cpu(mbx->mb7))); | |
987 | ||
99b0bec7 | 988 | logio_done: |
4916392b | 989 | lio->done(sp); |
ac280b67 AV |
990 | } |
991 | ||
9bc4f4fb HZ |
992 | static void |
993 | qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
994 | sts_entry_t *pkt, int iocb_type) | |
995 | { | |
996 | const char func[] = "CT_IOCB"; | |
997 | const char *type; | |
998 | struct qla_hw_data *ha = vha->hw; | |
999 | srb_t *sp; | |
1000 | struct srb_ctx *sp_bsg; | |
1001 | struct fc_bsg_job *bsg_job; | |
1002 | uint16_t comp_status; | |
1003 | ||
1004 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1005 | if (!sp) | |
1006 | return; | |
1007 | ||
1008 | sp_bsg = sp->ctx; | |
1009 | bsg_job = sp_bsg->u.bsg_job; | |
1010 | ||
1011 | type = NULL; | |
1012 | switch (sp_bsg->type) { | |
1013 | case SRB_CT_CMD: | |
1014 | type = "ct pass-through"; | |
1015 | break; | |
1016 | default: | |
1017 | qla_printk(KERN_WARNING, ha, | |
1018 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
1019 | sp_bsg->type); | |
1020 | return; | |
1021 | } | |
1022 | ||
1023 | comp_status = le16_to_cpu(pkt->comp_status); | |
1024 | ||
1025 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1026 | * fc payload to the caller | |
1027 | */ | |
1028 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1029 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
1030 | ||
1031 | if (comp_status != CS_COMPLETE) { | |
1032 | if (comp_status == CS_DATA_UNDERRUN) { | |
1033 | bsg_job->reply->result = DID_OK << 16; | |
1034 | bsg_job->reply->reply_payload_rcv_len = | |
1035 | le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); | |
1036 | ||
1037 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1038 | "scsi(%ld): CT pass-through-%s error " | |
1039 | "comp_status-status=0x%x total_byte = 0x%x.\n", | |
1040 | vha->host_no, type, comp_status, | |
1041 | bsg_job->reply->reply_payload_rcv_len)); | |
1042 | } else { | |
1043 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1044 | "scsi(%ld): CT pass-through-%s error " | |
1045 | "comp_status-status=0x%x.\n", | |
1046 | vha->host_no, type, comp_status)); | |
1047 | bsg_job->reply->result = DID_ERROR << 16; | |
1048 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1049 | } | |
1050 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1051 | } else { | |
1052 | bsg_job->reply->result = DID_OK << 16;; | |
1053 | bsg_job->reply->reply_payload_rcv_len = | |
1054 | bsg_job->reply_payload.payload_len; | |
1055 | bsg_job->reply_len = 0; | |
1056 | } | |
1057 | ||
1058 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
1059 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1060 | ||
1061 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
1062 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
1063 | ||
1064 | if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) | |
1065 | kfree(sp->fcport); | |
1066 | ||
1067 | kfree(sp->ctx); | |
1068 | mempool_free(sp, ha->srb_mempool); | |
1069 | bsg_job->job_done(bsg_job); | |
1070 | } | |
1071 | ||
9a069e19 GM |
1072 | static void |
1073 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1074 | struct sts_entry_24xx *pkt, int iocb_type) | |
1075 | { | |
1076 | const char func[] = "ELS_CT_IOCB"; | |
1077 | const char *type; | |
1078 | struct qla_hw_data *ha = vha->hw; | |
1079 | srb_t *sp; | |
4916392b | 1080 | struct srb_ctx *sp_bsg; |
9a069e19 GM |
1081 | struct fc_bsg_job *bsg_job; |
1082 | uint16_t comp_status; | |
1083 | uint32_t fw_status[3]; | |
1084 | uint8_t* fw_sts_ptr; | |
1085 | ||
1086 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1087 | if (!sp) | |
1088 | return; | |
4916392b MI |
1089 | sp_bsg = sp->ctx; |
1090 | bsg_job = sp_bsg->u.bsg_job; | |
9a069e19 GM |
1091 | |
1092 | type = NULL; | |
4916392b | 1093 | switch (sp_bsg->type) { |
9a069e19 GM |
1094 | case SRB_ELS_CMD_RPT: |
1095 | case SRB_ELS_CMD_HST: | |
1096 | type = "els"; | |
1097 | break; | |
1098 | case SRB_CT_CMD: | |
1099 | type = "ct pass-through"; | |
1100 | break; | |
1101 | default: | |
1102 | qla_printk(KERN_WARNING, ha, | |
1103 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
4916392b | 1104 | sp_bsg->type); |
9a069e19 GM |
1105 | return; |
1106 | } | |
1107 | ||
1108 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1109 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1110 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
1111 | ||
1112 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1113 | * fc payload to the caller | |
1114 | */ | |
1115 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1116 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); | |
1117 | ||
1118 | if (comp_status != CS_COMPLETE) { | |
1119 | if (comp_status == CS_DATA_UNDERRUN) { | |
1120 | bsg_job->reply->result = DID_OK << 16; | |
1121 | bsg_job->reply->reply_payload_rcv_len = | |
1122 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1123 | ||
1124 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1125 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1126 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", | |
1127 | vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2], | |
1128 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count))); | |
1129 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1130 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1131 | } | |
1132 | else { | |
1133 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1134 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1135 | "error subcode 1=0x%x error subcode 2=0x%x.\n", | |
1136 | vha->host_no, sp->handle, type, comp_status, | |
1137 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1), | |
1138 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2))); | |
1139 | bsg_job->reply->result = DID_ERROR << 16; | |
1140 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1141 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1142 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1143 | } | |
1144 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1145 | } | |
1146 | else { | |
1147 | bsg_job->reply->result = DID_OK << 16;; | |
1148 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; | |
1149 | bsg_job->reply_len = 0; | |
1150 | } | |
1151 | ||
1152 | dma_unmap_sg(&ha->pdev->dev, | |
1153 | bsg_job->request_payload.sg_list, | |
1154 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1155 | dma_unmap_sg(&ha->pdev->dev, | |
1156 | bsg_job->reply_payload.sg_list, | |
1157 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
4916392b MI |
1158 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
1159 | (sp_bsg->type == SRB_CT_CMD)) | |
9a069e19 GM |
1160 | kfree(sp->fcport); |
1161 | kfree(sp->ctx); | |
1162 | mempool_free(sp, ha->srb_mempool); | |
1163 | bsg_job->job_done(bsg_job); | |
1164 | } | |
1165 | ||
ac280b67 AV |
1166 | static void |
1167 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1168 | struct logio_entry_24xx *logio) | |
1169 | { | |
1170 | const char func[] = "LOGIO-IOCB"; | |
1171 | const char *type; | |
ac280b67 AV |
1172 | fc_port_t *fcport; |
1173 | srb_t *sp; | |
4916392b MI |
1174 | struct srb_iocb *lio; |
1175 | struct srb_ctx *ctx; | |
99b0bec7 | 1176 | uint16_t *data; |
ac280b67 AV |
1177 | uint32_t iop[2]; |
1178 | ||
1179 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1180 | if (!sp) | |
1181 | return; | |
1182 | ||
4916392b MI |
1183 | ctx = sp->ctx; |
1184 | lio = ctx->u.iocb_cmd; | |
1185 | type = ctx->name; | |
ac280b67 | 1186 | fcport = sp->fcport; |
4916392b | 1187 | data = lio->u.logio.data; |
ac280b67 | 1188 | |
5ff1d584 | 1189 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 1190 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 1191 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
1192 | if (logio->entry_status) { |
1193 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1194 | "scsi(%ld:%x): Async-%s error entry - " |
1195 | "portid=%02x%02x%02x entry-status=%x.\n", | |
ac280b67 | 1196 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1197 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1198 | fcport->d_id.b.al_pa, logio->entry_status)); | |
ac280b67 AV |
1199 | DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio))); |
1200 | ||
99b0bec7 | 1201 | goto logio_done; |
ac280b67 AV |
1202 | } |
1203 | ||
1204 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
1205 | DEBUG2(printk(KERN_DEBUG | |
d3fa9e7d AV |
1206 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
1207 | "iop0=%x.\n", | |
ac280b67 | 1208 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1209 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1210 | fcport->d_id.b.al_pa, | |
ac280b67 AV |
1211 | le32_to_cpu(logio->io_parameter[0]))); |
1212 | ||
1213 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 1214 | if (ctx->type != SRB_LOGIN_CMD) |
99b0bec7 | 1215 | goto logio_done; |
ac280b67 AV |
1216 | |
1217 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1218 | if (iop[0] & BIT_4) { | |
1219 | fcport->port_type = FCT_TARGET; | |
1220 | if (iop[0] & BIT_8) | |
8474f3a0 | 1221 | fcport->flags |= FCF_FCP2_DEVICE; |
b0cd579c | 1222 | } else if (iop[0] & BIT_5) |
ac280b67 | 1223 | fcport->port_type = FCT_INITIATOR; |
b0cd579c | 1224 | |
ac280b67 AV |
1225 | if (logio->io_parameter[7] || logio->io_parameter[8]) |
1226 | fcport->supported_classes |= FC_COS_CLASS2; | |
1227 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1228 | fcport->supported_classes |= FC_COS_CLASS3; | |
1229 | ||
99b0bec7 | 1230 | goto logio_done; |
ac280b67 AV |
1231 | } |
1232 | ||
1233 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1234 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1235 | switch (iop[0]) { | |
1236 | case LSC_SCODE_PORTID_USED: | |
1237 | data[0] = MBS_PORT_ID_USED; | |
1238 | data[1] = LSW(iop[1]); | |
1239 | break; | |
1240 | case LSC_SCODE_NPORT_USED: | |
1241 | data[0] = MBS_LOOP_ID_USED; | |
1242 | break; | |
ac280b67 AV |
1243 | default: |
1244 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
1245 | break; |
1246 | } | |
1247 | ||
1248 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1249 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x comp=%x " |
1250 | "iop0=%x iop1=%x.\n", | |
1251 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
1252 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
ac280b67 AV |
1253 | le16_to_cpu(logio->comp_status), |
1254 | le32_to_cpu(logio->io_parameter[0]), | |
1255 | le32_to_cpu(logio->io_parameter[1]))); | |
1256 | ||
99b0bec7 | 1257 | logio_done: |
4916392b | 1258 | lio->done(sp); |
ac280b67 AV |
1259 | } |
1260 | ||
3822263e MI |
1261 | static void |
1262 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1263 | struct tsk_mgmt_entry *tsk) | |
1264 | { | |
1265 | const char func[] = "TMF-IOCB"; | |
1266 | const char *type; | |
1267 | fc_port_t *fcport; | |
1268 | srb_t *sp; | |
1269 | struct srb_iocb *iocb; | |
1270 | struct srb_ctx *ctx; | |
1271 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; | |
1272 | int error = 1; | |
1273 | ||
1274 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); | |
1275 | if (!sp) | |
1276 | return; | |
1277 | ||
1278 | ctx = sp->ctx; | |
1279 | iocb = ctx->u.iocb_cmd; | |
1280 | type = ctx->name; | |
1281 | fcport = sp->fcport; | |
1282 | ||
1283 | if (sts->entry_status) { | |
1284 | DEBUG2(printk(KERN_WARNING | |
1285 | "scsi(%ld:%x): Async-%s error - entry-status(%x).\n", | |
1286 | fcport->vha->host_no, sp->handle, type, | |
1287 | sts->entry_status)); | |
1288 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { | |
1289 | DEBUG2(printk(KERN_WARNING | |
1290 | "scsi(%ld:%x): Async-%s error - completion status(%x).\n", | |
1291 | fcport->vha->host_no, sp->handle, type, | |
1292 | sts->comp_status)); | |
1293 | } else if (!(le16_to_cpu(sts->scsi_status) & | |
1294 | SS_RESPONSE_INFO_LEN_VALID)) { | |
1295 | DEBUG2(printk(KERN_WARNING | |
1296 | "scsi(%ld:%x): Async-%s error - no response info(%x).\n", | |
1297 | fcport->vha->host_no, sp->handle, type, | |
1298 | sts->scsi_status)); | |
1299 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { | |
1300 | DEBUG2(printk(KERN_WARNING | |
1301 | "scsi(%ld:%x): Async-%s error - not enough response(%d).\n", | |
1302 | fcport->vha->host_no, sp->handle, type, | |
1303 | sts->rsp_data_len)); | |
1304 | } else if (sts->data[3]) { | |
1305 | DEBUG2(printk(KERN_WARNING | |
1306 | "scsi(%ld:%x): Async-%s error - response(%x).\n", | |
1307 | fcport->vha->host_no, sp->handle, type, | |
1308 | sts->data[3])); | |
1309 | } else { | |
1310 | error = 0; | |
1311 | } | |
1312 | ||
1313 | if (error) { | |
1314 | iocb->u.tmf.data = error; | |
1315 | DEBUG2(qla2x00_dump_buffer((uint8_t *)sts, sizeof(*sts))); | |
1316 | } | |
1317 | ||
1318 | iocb->done(sp); | |
1319 | } | |
1320 | ||
1da177e4 LT |
1321 | /** |
1322 | * qla2x00_process_response_queue() - Process response queue entries. | |
1323 | * @ha: SCSI driver HA context | |
1324 | */ | |
1325 | void | |
73208dfd | 1326 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1327 | { |
73208dfd AC |
1328 | struct scsi_qla_host *vha; |
1329 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1330 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1331 | sts_entry_t *pkt; |
1332 | uint16_t handle_cnt; | |
1333 | uint16_t cnt; | |
73208dfd | 1334 | |
2afa19a9 | 1335 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1336 | |
e315cd28 | 1337 | if (!vha->flags.online) |
1da177e4 LT |
1338 | return; |
1339 | ||
e315cd28 AC |
1340 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1341 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1342 | |
e315cd28 AC |
1343 | rsp->ring_index++; |
1344 | if (rsp->ring_index == rsp->length) { | |
1345 | rsp->ring_index = 0; | |
1346 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1347 | } else { |
e315cd28 | 1348 | rsp->ring_ptr++; |
1da177e4 LT |
1349 | } |
1350 | ||
1351 | if (pkt->entry_status != 0) { | |
1352 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1353 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 1354 | |
73208dfd | 1355 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1356 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1357 | wmb(); | |
1358 | continue; | |
1359 | } | |
1360 | ||
1361 | switch (pkt->entry_type) { | |
1362 | case STATUS_TYPE: | |
73208dfd | 1363 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1364 | break; |
1365 | case STATUS_TYPE_21: | |
1366 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1367 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1368 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1369 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1370 | } | |
1371 | break; | |
1372 | case STATUS_TYPE_22: | |
1373 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1374 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1375 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1376 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1377 | } | |
1378 | break; | |
1379 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1380 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1381 | break; |
ac280b67 AV |
1382 | case MBX_IOCB_TYPE: |
1383 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1384 | (struct mbx_entry *)pkt); | |
3822263e | 1385 | break; |
9bc4f4fb HZ |
1386 | case CT_IOCB_TYPE: |
1387 | qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1388 | break; | |
1da177e4 LT |
1389 | default: |
1390 | /* Type Not Supported. */ | |
1391 | DEBUG4(printk(KERN_WARNING | |
1392 | "scsi(%ld): Received unknown response pkt type %x " | |
1393 | "entry status=%x.\n", | |
e315cd28 | 1394 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
1395 | break; |
1396 | } | |
1397 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1398 | wmb(); | |
1399 | } | |
1400 | ||
1401 | /* Adjust ring index */ | |
e315cd28 | 1402 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1403 | } |
1404 | ||
4733fcb1 | 1405 | static inline void |
5544213b AV |
1406 | |
1407 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, | |
1408 | uint32_t sense_len, struct rsp_que *rsp) | |
4733fcb1 AV |
1409 | { |
1410 | struct scsi_cmnd *cp = sp->cmd; | |
1411 | ||
1412 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1413 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1414 | ||
4733fcb1 AV |
1415 | sp->request_sense_length = sense_len; |
1416 | sp->request_sense_ptr = cp->sense_buffer; | |
5544213b AV |
1417 | if (sp->request_sense_length > par_sense_len) |
1418 | sense_len = par_sense_len; | |
4733fcb1 AV |
1419 | |
1420 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1421 | ||
1422 | sp->request_sense_ptr += sense_len; | |
1423 | sp->request_sense_length -= sense_len; | |
1424 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1425 | rsp->status_srb = sp; |
4733fcb1 AV |
1426 | |
1427 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
09d1dc2a MI |
1428 | "cmd=%p\n", __func__, sp->fcport->vha->host_no, |
1429 | cp->device->channel, cp->device->id, cp->device->lun, cp)); | |
4733fcb1 | 1430 | if (sense_len) |
ddb9b126 | 1431 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1432 | } |
1433 | ||
bad75002 AE |
1434 | struct scsi_dif_tuple { |
1435 | __be16 guard; /* Checksum */ | |
1436 | __be16 app_tag; /* APPL identifer */ | |
1437 | __be32 ref_tag; /* Target LBA or indirect LBA */ | |
1438 | }; | |
1439 | ||
1440 | /* | |
1441 | * Checks the guard or meta-data for the type of error | |
1442 | * detected by the HBA. In case of errors, we set the | |
1443 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST | |
1444 | * to indicate to the kernel that the HBA detected error. | |
1445 | */ | |
1446 | static inline void | |
1447 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) | |
1448 | { | |
1449 | struct scsi_cmnd *cmd = sp->cmd; | |
1450 | struct scsi_dif_tuple *ep = | |
1451 | (struct scsi_dif_tuple *)&sts24->data[20]; | |
1452 | struct scsi_dif_tuple *ap = | |
1453 | (struct scsi_dif_tuple *)&sts24->data[12]; | |
1454 | uint32_t e_ref_tag, a_ref_tag; | |
1455 | uint16_t e_app_tag, a_app_tag; | |
1456 | uint16_t e_guard, a_guard; | |
1457 | ||
1458 | e_ref_tag = be32_to_cpu(ep->ref_tag); | |
1459 | a_ref_tag = be32_to_cpu(ap->ref_tag); | |
1460 | e_app_tag = be16_to_cpu(ep->app_tag); | |
1461 | a_app_tag = be16_to_cpu(ap->app_tag); | |
1462 | e_guard = be16_to_cpu(ep->guard); | |
1463 | a_guard = be16_to_cpu(ap->guard); | |
1464 | ||
1465 | DEBUG18(printk(KERN_DEBUG | |
1466 | "%s(): iocb(s) %p Returned STATUS\n", __func__, sts24)); | |
1467 | ||
1468 | DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref" | |
1469 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" | |
1470 | " tag=0x%x, act guard=0x%x, exp guard=0x%x\n", | |
1471 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, | |
1472 | a_app_tag, e_app_tag, a_guard, e_guard)); | |
1473 | ||
1474 | ||
1475 | /* check guard */ | |
1476 | if (e_guard != a_guard) { | |
1477 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1478 | 0x10, 0x1); | |
1479 | set_driver_byte(cmd, DRIVER_SENSE); | |
1480 | set_host_byte(cmd, DID_ABORT); | |
1481 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1482 | return; | |
1483 | } | |
1484 | ||
1485 | /* check appl tag */ | |
1486 | if (e_app_tag != a_app_tag) { | |
1487 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1488 | 0x10, 0x2); | |
1489 | set_driver_byte(cmd, DRIVER_SENSE); | |
1490 | set_host_byte(cmd, DID_ABORT); | |
1491 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1492 | return; | |
1493 | } | |
1494 | ||
1495 | /* check ref tag */ | |
1496 | if (e_ref_tag != a_ref_tag) { | |
1497 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1498 | 0x10, 0x3); | |
1499 | set_driver_byte(cmd, DRIVER_SENSE); | |
1500 | set_host_byte(cmd, DID_ABORT); | |
1501 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1502 | return; | |
1503 | } | |
1504 | } | |
1505 | ||
1da177e4 LT |
1506 | /** |
1507 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1508 | * @ha: SCSI driver HA context | |
1509 | * @pkt: Entry pointer | |
1510 | */ | |
1511 | static void | |
73208dfd | 1512 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1513 | { |
1da177e4 | 1514 | srb_t *sp; |
1da177e4 LT |
1515 | fc_port_t *fcport; |
1516 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1517 | sts_entry_t *sts; |
1518 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1519 | uint16_t comp_status; |
1520 | uint16_t scsi_status; | |
b7d2280c | 1521 | uint16_t ox_id; |
1da177e4 LT |
1522 | uint8_t lscsi_status; |
1523 | int32_t resid; | |
5544213b AV |
1524 | uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
1525 | fw_resid_len; | |
9a853f71 | 1526 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1527 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1528 | uint32_t handle; |
1529 | uint16_t que; | |
1530 | struct req_que *req; | |
b7d2280c | 1531 | int logit = 1; |
9a853f71 AV |
1532 | |
1533 | sts = (sts_entry_t *) pkt; | |
1534 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1535 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1536 | comp_status = le16_to_cpu(sts24->comp_status); |
1537 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1538 | } else { | |
1539 | comp_status = le16_to_cpu(sts->comp_status); | |
1540 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1541 | } | |
2afa19a9 AC |
1542 | handle = (uint32_t) LSW(sts->handle); |
1543 | que = MSW(sts->handle); | |
1544 | req = ha->req_q_map[que]; | |
a9083016 | 1545 | |
1da177e4 | 1546 | /* Fast path completion. */ |
9a853f71 | 1547 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1548 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1549 | |
1550 | return; | |
1551 | } | |
1552 | ||
1553 | /* Validate handle. */ | |
2afa19a9 AC |
1554 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1555 | sp = req->outstanding_cmds[handle]; | |
1556 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1557 | } else |
1558 | sp = NULL; | |
1559 | ||
1560 | if (sp == NULL) { | |
b7d2280c AV |
1561 | qla_printk(KERN_WARNING, ha, |
1562 | "scsi(%ld): Invalid status handle (0x%x).\n", vha->host_no, | |
1563 | sts->handle); | |
1da177e4 | 1564 | |
e315cd28 AC |
1565 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1566 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1567 | return; |
1568 | } | |
1569 | cp = sp->cmd; | |
1570 | if (cp == NULL) { | |
1da177e4 | 1571 | qla_printk(KERN_WARNING, ha, |
b7d2280c AV |
1572 | "scsi(%ld): Command already returned (0x%x/%p).\n", |
1573 | vha->host_no, sts->handle, sp); | |
1da177e4 LT |
1574 | |
1575 | return; | |
1576 | } | |
1577 | ||
9a853f71 | 1578 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1579 | |
bdf79621 | 1580 | fcport = sp->fcport; |
1da177e4 | 1581 | |
b7d2280c | 1582 | ox_id = 0; |
5544213b AV |
1583 | sense_len = par_sense_len = rsp_info_len = resid_len = |
1584 | fw_resid_len = 0; | |
e428924c | 1585 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1586 | if (scsi_status & SS_SENSE_LEN_VALID) |
1587 | sense_len = le32_to_cpu(sts24->sense_len); | |
1588 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1589 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1590 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1591 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1592 | if (comp_status == CS_DATA_UNDERRUN) | |
1593 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1594 | rsp_info = sts24->data; |
1595 | sense_data = sts24->data; | |
1596 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
b7d2280c | 1597 | ox_id = le16_to_cpu(sts24->ox_id); |
5544213b | 1598 | par_sense_len = sizeof(sts24->data); |
9a853f71 | 1599 | } else { |
0f00a206 LC |
1600 | if (scsi_status & SS_SENSE_LEN_VALID) |
1601 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1602 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1603 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1604 | resid_len = le32_to_cpu(sts->residual_length); |
1605 | rsp_info = sts->rsp_info; | |
1606 | sense_data = sts->req_sense_data; | |
5544213b | 1607 | par_sense_len = sizeof(sts->req_sense_data); |
9a853f71 AV |
1608 | } |
1609 | ||
1da177e4 LT |
1610 | /* Check for any FCP transport errors. */ |
1611 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1612 | /* Sense data lies beyond any FCP RESPONSE data. */ |
5544213b | 1613 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 1614 | sense_data += rsp_info_len; |
5544213b AV |
1615 | par_sense_len -= rsp_info_len; |
1616 | } | |
9a853f71 | 1617 | if (rsp_info_len > 3 && rsp_info[3]) { |
b7d2280c AV |
1618 | DEBUG2(qla_printk(KERN_INFO, ha, |
1619 | "scsi(%ld:%d:%d): FCP I/O protocol failure " | |
1620 | "(0x%x/0x%x).\n", vha->host_no, cp->device->id, | |
1621 | cp->device->lun, rsp_info_len, rsp_info[3])); | |
1da177e4 LT |
1622 | |
1623 | cp->result = DID_BUS_BUSY << 16; | |
b7d2280c | 1624 | goto out; |
1da177e4 LT |
1625 | } |
1626 | } | |
1627 | ||
3e8ce320 AV |
1628 | /* Check for overrun. */ |
1629 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1630 | scsi_status & SS_RESIDUAL_OVER) | |
1631 | comp_status = CS_DATA_OVERRUN; | |
1632 | ||
1da177e4 LT |
1633 | /* |
1634 | * Based on Host and scsi status generate status code for Linux | |
1635 | */ | |
1636 | switch (comp_status) { | |
1637 | case CS_COMPLETE: | |
df7baa50 | 1638 | case CS_QUEUE_FULL: |
1da177e4 LT |
1639 | if (scsi_status == 0) { |
1640 | cp->result = DID_OK << 16; | |
1641 | break; | |
1642 | } | |
1643 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1644 | resid = resid_len; |
385d70b4 | 1645 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1646 | |
1647 | if (!lscsi_status && | |
385d70b4 | 1648 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1649 | cp->underflow)) { |
1650 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1651 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1652 | "detected (0x%x of 0x%x bytes).\n", | |
1653 | vha->host_no, cp->device->id, | |
1654 | cp->device->lun, resid, scsi_bufflen(cp)); | |
0da69df1 AV |
1655 | |
1656 | cp->result = DID_ERROR << 16; | |
1657 | break; | |
1658 | } | |
1da177e4 | 1659 | } |
1da177e4 LT |
1660 | cp->result = DID_OK << 16 | lscsi_status; |
1661 | ||
df7baa50 | 1662 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1663 | DEBUG2(qla_printk(KERN_INFO, ha, |
1664 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1665 | vha->host_no, cp->device->id, cp->device->lun)); | |
df7baa50 AV |
1666 | break; |
1667 | } | |
b7d2280c | 1668 | logit = 0; |
1da177e4 LT |
1669 | if (lscsi_status != SS_CHECK_CONDITION) |
1670 | break; | |
1671 | ||
b80ca4f7 | 1672 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1673 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1674 | break; | |
1675 | ||
5544213b AV |
1676 | qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
1677 | rsp); | |
1da177e4 LT |
1678 | break; |
1679 | ||
1680 | case CS_DATA_UNDERRUN: | |
ed17c71b | 1681 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1682 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1683 | scsi_set_resid(cp, resid); | |
1684 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1685 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
b7d2280c AV |
1686 | DEBUG2(qla_printk(KERN_INFO, ha, |
1687 | "scsi(%ld:%d:%d) Dropped frame(s) detected " | |
1688 | "(0x%x of 0x%x bytes).\n", vha->host_no, | |
0f00a206 LC |
1689 | cp->device->id, cp->device->lun, resid, |
1690 | scsi_bufflen(cp))); | |
1691 | ||
1692 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1693 | break; | |
6acf8190 | 1694 | } |
ed17c71b | 1695 | |
0f00a206 LC |
1696 | if (!lscsi_status && |
1697 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1698 | cp->underflow)) { | |
1699 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1700 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1701 | "detected (0x%x of 0x%x bytes).\n", | |
1702 | vha->host_no, cp->device->id, | |
0f00a206 | 1703 | cp->device->lun, resid, scsi_bufflen(cp)); |
e038a1be | 1704 | |
0f00a206 LC |
1705 | cp->result = DID_ERROR << 16; |
1706 | break; | |
1707 | } | |
0374f55e | 1708 | } else { |
b7d2280c AV |
1709 | DEBUG2(qla_printk(KERN_INFO, ha, |
1710 | "scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x " | |
1711 | "of 0x%x bytes).\n", vha->host_no, cp->device->id, | |
0f00a206 LC |
1712 | cp->device->lun, resid, scsi_bufflen(cp))); |
1713 | ||
0374f55e LC |
1714 | cp->result = DID_ERROR << 16 | lscsi_status; |
1715 | goto check_scsi_status; | |
1da177e4 LT |
1716 | } |
1717 | ||
0f00a206 | 1718 | cp->result = DID_OK << 16 | lscsi_status; |
b7d2280c | 1719 | logit = 0; |
0f00a206 | 1720 | |
0374f55e | 1721 | check_scsi_status: |
1da177e4 | 1722 | /* |
fa2a1ce5 | 1723 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1724 | * Status. |
1725 | */ | |
1726 | if (lscsi_status != 0) { | |
ffec28a3 | 1727 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1728 | DEBUG2(qla_printk(KERN_INFO, ha, |
1729 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1730 | vha->host_no, cp->device->id, | |
1731 | cp->device->lun)); | |
1732 | logit = 1; | |
ffec28a3 AV |
1733 | break; |
1734 | } | |
1da177e4 LT |
1735 | if (lscsi_status != SS_CHECK_CONDITION) |
1736 | break; | |
1737 | ||
b80ca4f7 | 1738 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1739 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1740 | break; | |
1741 | ||
5544213b AV |
1742 | qla2x00_handle_sense(sp, sense_data, par_sense_len, |
1743 | sense_len, rsp); | |
1da177e4 LT |
1744 | } |
1745 | break; | |
1746 | ||
1da177e4 LT |
1747 | case CS_PORT_LOGGED_OUT: |
1748 | case CS_PORT_CONFIG_CHG: | |
1749 | case CS_PORT_BUSY: | |
1750 | case CS_INCOMPLETE: | |
1751 | case CS_PORT_UNAVAILABLE: | |
b7d2280c | 1752 | case CS_TIMEOUT: |
ff454b01 CD |
1753 | case CS_RESET: |
1754 | ||
056a4483 MC |
1755 | /* |
1756 | * We are going to have the fc class block the rport | |
1757 | * while we try to recover so instruct the mid layer | |
1758 | * to requeue until the class decides how to handle this. | |
1759 | */ | |
1760 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
b7d2280c AV |
1761 | |
1762 | if (comp_status == CS_TIMEOUT) { | |
1763 | if (IS_FWI2_CAPABLE(ha)) | |
1764 | break; | |
1765 | else if ((le16_to_cpu(sts->status_flags) & | |
1766 | SF_LOGOUT_SENT) == 0) | |
1767 | break; | |
1768 | } | |
1769 | ||
1770 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1771 | "scsi(%ld:%d:%d) Port down status: port-state=0x%x\n", | |
1772 | vha->host_no, cp->device->id, cp->device->lun, | |
1773 | atomic_read(&fcport->state))); | |
1774 | ||
a7a28504 | 1775 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1776 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1777 | break; |
1778 | ||
1da177e4 | 1779 | case CS_ABORTED: |
1da177e4 LT |
1780 | cp->result = DID_RESET << 16; |
1781 | break; | |
bad75002 AE |
1782 | |
1783 | case CS_DIF_ERROR: | |
1784 | qla2x00_handle_dif_error(sp, sts24); | |
1785 | break; | |
1da177e4 | 1786 | default: |
1da177e4 LT |
1787 | cp->result = DID_ERROR << 16; |
1788 | break; | |
1789 | } | |
1790 | ||
b7d2280c AV |
1791 | out: |
1792 | if (logit) | |
1793 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1794 | "scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) " | |
09d1dc2a | 1795 | "oxid=0x%x cdb=%02x%02x%02x len=0x%x " |
b7d2280c AV |
1796 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha->host_no, |
1797 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
09d1dc2a | 1798 | cp->result, ox_id, cp->cmnd[0], |
b7d2280c AV |
1799 | cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len, |
1800 | resid_len, fw_resid_len)); | |
1801 | ||
2afa19a9 | 1802 | if (rsp->status_srb == NULL) |
73208dfd | 1803 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1804 | } |
1805 | ||
1806 | /** | |
1807 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1808 | * @ha: SCSI driver HA context | |
1809 | * @pkt: Entry pointer | |
1810 | * | |
1811 | * Extended sense data. | |
1812 | */ | |
1813 | static void | |
2afa19a9 | 1814 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1815 | { |
1816 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1817 | struct qla_hw_data *ha = rsp->hw; |
1818 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1819 | struct scsi_cmnd *cp; |
1820 | ||
1821 | if (sp != NULL && sp->request_sense_length != 0) { | |
1822 | cp = sp->cmd; | |
1823 | if (cp == NULL) { | |
1824 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1825 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1826 | qla_printk(KERN_INFO, ha, |
1827 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1828 | sp); |
1da177e4 | 1829 | |
2afa19a9 | 1830 | rsp->status_srb = NULL; |
1da177e4 LT |
1831 | return; |
1832 | } | |
1833 | ||
1834 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1835 | sense_sz = sizeof(pkt->data); | |
1836 | } else { | |
1837 | sense_sz = sp->request_sense_length; | |
1838 | } | |
1839 | ||
1840 | /* Move sense data. */ | |
e428924c | 1841 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1842 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1843 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1844 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1845 | ||
1846 | sp->request_sense_ptr += sense_sz; | |
1847 | sp->request_sense_length -= sense_sz; | |
1848 | ||
1849 | /* Place command on done queue. */ | |
1850 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1851 | rsp->status_srb = NULL; |
73208dfd | 1852 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1853 | } |
1854 | } | |
1855 | } | |
1856 | ||
1857 | /** | |
1858 | * qla2x00_error_entry() - Process an error entry. | |
1859 | * @ha: SCSI driver HA context | |
1860 | * @pkt: Entry pointer | |
1861 | */ | |
1862 | static void | |
73208dfd | 1863 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1864 | { |
1865 | srb_t *sp; | |
e315cd28 | 1866 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1867 | uint32_t handle = LSW(pkt->handle); |
1868 | uint16_t que = MSW(pkt->handle); | |
1869 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1870 | #if defined(QL_DEBUG_LEVEL_2) |
1871 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1872 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1873 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1874 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1875 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1876 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1877 | "%s: Invalid Entry Parameter\n", __func__); |
1878 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1879 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1880 | else if (pkt->entry_status & RF_BUSY) | |
1881 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1882 | else | |
1883 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1884 | #endif | |
1885 | ||
1886 | /* Validate handle. */ | |
2afa19a9 AC |
1887 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1888 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1889 | else |
1890 | sp = NULL; | |
1891 | ||
1892 | if (sp) { | |
1893 | /* Free outstanding command slot. */ | |
2afa19a9 | 1894 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1895 | |
1da177e4 LT |
1896 | /* Bad payload or header */ |
1897 | if (pkt->entry_status & | |
1898 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1899 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1900 | sp->cmd->result = DID_ERROR << 16; | |
1901 | } else if (pkt->entry_status & RF_BUSY) { | |
1902 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1903 | } else { | |
1904 | sp->cmd->result = DID_ERROR << 16; | |
1905 | } | |
73208dfd | 1906 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1907 | |
9a853f71 AV |
1908 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1909 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1910 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1911 | vha->host_no)); |
1da177e4 LT |
1912 | qla_printk(KERN_WARNING, ha, |
1913 | "Error entry - invalid handle\n"); | |
1914 | ||
e315cd28 AC |
1915 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1916 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1917 | } |
1918 | } | |
1919 | ||
9a853f71 AV |
1920 | /** |
1921 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1922 | * @ha: SCSI driver HA context | |
1923 | * @mb0: Mailbox0 register | |
1924 | */ | |
1925 | static void | |
e315cd28 | 1926 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1927 | { |
1928 | uint16_t cnt; | |
1929 | uint16_t __iomem *wptr; | |
e315cd28 | 1930 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1931 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1932 | ||
1933 | /* Load return mailbox registers. */ | |
1934 | ha->flags.mbox_int = 1; | |
1935 | ha->mailbox_out[0] = mb0; | |
1936 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1937 | ||
1938 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1939 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1940 | wptr++; | |
1941 | } | |
1942 | ||
1943 | if (ha->mcp) { | |
1944 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1945 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1946 | } else { |
1947 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1948 | __func__, vha->host_no)); |
9a853f71 AV |
1949 | } |
1950 | } | |
1951 | ||
1952 | /** | |
1953 | * qla24xx_process_response_queue() - Process response queue entries. | |
1954 | * @ha: SCSI driver HA context | |
1955 | */ | |
2afa19a9 AC |
1956 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1957 | struct rsp_que *rsp) | |
9a853f71 | 1958 | { |
9a853f71 | 1959 | struct sts_entry_24xx *pkt; |
a9083016 | 1960 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 1961 | |
e315cd28 | 1962 | if (!vha->flags.online) |
9a853f71 AV |
1963 | return; |
1964 | ||
e315cd28 AC |
1965 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1966 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1967 | |
e315cd28 AC |
1968 | rsp->ring_index++; |
1969 | if (rsp->ring_index == rsp->length) { | |
1970 | rsp->ring_index = 0; | |
1971 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1972 | } else { |
e315cd28 | 1973 | rsp->ring_ptr++; |
9a853f71 AV |
1974 | } |
1975 | ||
1976 | if (pkt->entry_status != 0) { | |
1977 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1978 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1979 | |
73208dfd | 1980 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1981 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1982 | wmb(); | |
1983 | continue; | |
1984 | } | |
1985 | ||
1986 | switch (pkt->entry_type) { | |
1987 | case STATUS_TYPE: | |
73208dfd | 1988 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1989 | break; |
1990 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1991 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1992 | break; |
2c3dfe3f | 1993 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1994 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1995 | (struct vp_rpt_id_entry_24xx *)pkt); |
1996 | break; | |
ac280b67 AV |
1997 | case LOGINOUT_PORT_IOCB_TYPE: |
1998 | qla24xx_logio_entry(vha, rsp->req, | |
1999 | (struct logio_entry_24xx *)pkt); | |
2000 | break; | |
3822263e MI |
2001 | case TSK_MGMT_IOCB_TYPE: |
2002 | qla24xx_tm_iocb_entry(vha, rsp->req, | |
2003 | (struct tsk_mgmt_entry *)pkt); | |
2004 | break; | |
9a069e19 GM |
2005 | case CT_IOCB_TYPE: |
2006 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
2007 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
2008 | break; | |
2009 | case ELS_IOCB_TYPE: | |
2010 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
2011 | break; | |
9a853f71 AV |
2012 | default: |
2013 | /* Type Not Supported. */ | |
2014 | DEBUG4(printk(KERN_WARNING | |
2015 | "scsi(%ld): Received unknown response pkt type %x " | |
2016 | "entry status=%x.\n", | |
e315cd28 | 2017 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
2018 | break; |
2019 | } | |
2020 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
2021 | wmb(); | |
2022 | } | |
2023 | ||
2024 | /* Adjust ring index */ | |
a9083016 GM |
2025 | if (IS_QLA82XX(ha)) { |
2026 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
2027 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
2028 | } else | |
2029 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
2030 | } |
2031 | ||
05236a05 | 2032 | static void |
e315cd28 | 2033 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
2034 | { |
2035 | int rval; | |
2036 | uint32_t cnt; | |
e315cd28 | 2037 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
2038 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
2039 | ||
3a03eb79 | 2040 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
2041 | return; |
2042 | ||
2043 | rval = QLA_SUCCESS; | |
2044 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
2045 | RD_REG_DWORD(®->iobase_addr); | |
2046 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2047 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2048 | rval == QLA_SUCCESS; cnt--) { | |
2049 | if (cnt) { | |
2050 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2051 | udelay(10); | |
2052 | } else | |
2053 | rval = QLA_FUNCTION_TIMEOUT; | |
2054 | } | |
2055 | if (rval == QLA_SUCCESS) | |
2056 | goto next_test; | |
2057 | ||
2058 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2059 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2060 | rval == QLA_SUCCESS; cnt--) { | |
2061 | if (cnt) { | |
2062 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2063 | udelay(10); | |
2064 | } else | |
2065 | rval = QLA_FUNCTION_TIMEOUT; | |
2066 | } | |
2067 | if (rval != QLA_SUCCESS) | |
2068 | goto done; | |
2069 | ||
2070 | next_test: | |
2071 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
2072 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
2073 | ||
2074 | done: | |
2075 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
2076 | RD_REG_DWORD(®->iobase_window); | |
2077 | } | |
2078 | ||
9a853f71 AV |
2079 | /** |
2080 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2081 | * @irq: | |
2082 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
2083 | * |
2084 | * Called by system whenever the host adapter generates an interrupt. | |
2085 | * | |
2086 | * Returns handled flag. | |
2087 | */ | |
2088 | irqreturn_t | |
7d12e780 | 2089 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 2090 | { |
e315cd28 AC |
2091 | scsi_qla_host_t *vha; |
2092 | struct qla_hw_data *ha; | |
9a853f71 AV |
2093 | struct device_reg_24xx __iomem *reg; |
2094 | int status; | |
9a853f71 AV |
2095 | unsigned long iter; |
2096 | uint32_t stat; | |
2097 | uint32_t hccr; | |
2098 | uint16_t mb[4]; | |
e315cd28 | 2099 | struct rsp_que *rsp; |
43fac4d9 | 2100 | unsigned long flags; |
9a853f71 | 2101 | |
e315cd28 AC |
2102 | rsp = (struct rsp_que *) dev_id; |
2103 | if (!rsp) { | |
9a853f71 | 2104 | printk(KERN_INFO |
e315cd28 | 2105 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
2106 | return IRQ_NONE; |
2107 | } | |
2108 | ||
e315cd28 | 2109 | ha = rsp->hw; |
9a853f71 AV |
2110 | reg = &ha->iobase->isp24; |
2111 | status = 0; | |
2112 | ||
85880801 AV |
2113 | if (unlikely(pci_channel_offline(ha->pdev))) |
2114 | return IRQ_HANDLED; | |
2115 | ||
43fac4d9 | 2116 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2117 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
2118 | for (iter = 50; iter--; ) { |
2119 | stat = RD_REG_DWORD(®->host_status); | |
2120 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2121 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2122 | break; |
2123 | ||
9a853f71 AV |
2124 | hccr = RD_REG_DWORD(®->hccr); |
2125 | ||
2126 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2127 | "Dumping firmware!\n", hccr); | |
05236a05 | 2128 | |
e315cd28 | 2129 | qla2xxx_check_risc_status(vha); |
05236a05 | 2130 | |
e315cd28 AC |
2131 | ha->isp_ops->fw_dump(vha, 1); |
2132 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
2133 | break; |
2134 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2135 | break; | |
2136 | ||
2137 | switch (stat & 0xff) { | |
2138 | case 0x1: | |
2139 | case 0x2: | |
2140 | case 0x10: | |
2141 | case 0x11: | |
e315cd28 | 2142 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
2143 | status |= MBX_INTERRUPT; |
2144 | ||
2145 | break; | |
2146 | case 0x12: | |
2147 | mb[0] = MSW(stat); | |
2148 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2149 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2150 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2151 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
2152 | break; |
2153 | case 0x13: | |
73208dfd | 2154 | case 0x14: |
2afa19a9 | 2155 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2156 | break; |
2157 | default: | |
2158 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2159 | "(%d).\n", | |
e315cd28 | 2160 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
2161 | break; |
2162 | } | |
2163 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2164 | RD_REG_DWORD_RELAXED(®->hccr); | |
2165 | } | |
43fac4d9 | 2166 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2167 | |
2168 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2169 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2170 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2171 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2172 | } |
2173 | ||
2174 | return IRQ_HANDLED; | |
2175 | } | |
2176 | ||
a8488abe AV |
2177 | static irqreturn_t |
2178 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2179 | { | |
e315cd28 AC |
2180 | struct qla_hw_data *ha; |
2181 | struct rsp_que *rsp; | |
a8488abe | 2182 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2183 | struct scsi_qla_host *vha; |
0f19bc68 | 2184 | unsigned long flags; |
a8488abe | 2185 | |
e315cd28 AC |
2186 | rsp = (struct rsp_que *) dev_id; |
2187 | if (!rsp) { | |
2188 | printk(KERN_INFO | |
2189 | "%s(): NULL response queue pointer\n", __func__); | |
2190 | return IRQ_NONE; | |
2191 | } | |
2192 | ha = rsp->hw; | |
a8488abe AV |
2193 | reg = &ha->iobase->isp24; |
2194 | ||
0f19bc68 | 2195 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2196 | |
a67093d4 | 2197 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2198 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2199 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2200 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2201 | RD_REG_DWORD_RELAXED(®->hccr); | |
2202 | } | |
0f19bc68 | 2203 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2204 | |
2205 | return IRQ_HANDLED; | |
2206 | } | |
2207 | ||
68ca949c AC |
2208 | static irqreturn_t |
2209 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2210 | { | |
2211 | struct qla_hw_data *ha; | |
2212 | struct rsp_que *rsp; | |
3155754a | 2213 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2214 | unsigned long flags; |
68ca949c AC |
2215 | |
2216 | rsp = (struct rsp_que *) dev_id; | |
2217 | if (!rsp) { | |
2218 | printk(KERN_INFO | |
2219 | "%s(): NULL response queue pointer\n", __func__); | |
2220 | return IRQ_NONE; | |
2221 | } | |
2222 | ha = rsp->hw; | |
2223 | ||
3155754a AC |
2224 | /* Clear the interrupt, if enabled, for this response queue */ |
2225 | if (rsp->options & ~BIT_6) { | |
2226 | reg = &ha->iobase->isp24; | |
0f19bc68 | 2227 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2228 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2229 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2230 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2231 | } |
68ca949c AC |
2232 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2233 | ||
2234 | return IRQ_HANDLED; | |
2235 | } | |
2236 | ||
a8488abe AV |
2237 | static irqreturn_t |
2238 | qla24xx_msix_default(int irq, void *dev_id) | |
2239 | { | |
e315cd28 AC |
2240 | scsi_qla_host_t *vha; |
2241 | struct qla_hw_data *ha; | |
2242 | struct rsp_que *rsp; | |
a8488abe AV |
2243 | struct device_reg_24xx __iomem *reg; |
2244 | int status; | |
a8488abe AV |
2245 | uint32_t stat; |
2246 | uint32_t hccr; | |
2247 | uint16_t mb[4]; | |
0f19bc68 | 2248 | unsigned long flags; |
a8488abe | 2249 | |
e315cd28 AC |
2250 | rsp = (struct rsp_que *) dev_id; |
2251 | if (!rsp) { | |
2252 | DEBUG(printk( | |
2253 | "%s(): NULL response queue pointer\n", __func__)); | |
2254 | return IRQ_NONE; | |
2255 | } | |
2256 | ha = rsp->hw; | |
a8488abe AV |
2257 | reg = &ha->iobase->isp24; |
2258 | status = 0; | |
2259 | ||
0f19bc68 | 2260 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2261 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2262 | do { |
a8488abe AV |
2263 | stat = RD_REG_DWORD(®->host_status); |
2264 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2265 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2266 | break; |
2267 | ||
a8488abe AV |
2268 | hccr = RD_REG_DWORD(®->hccr); |
2269 | ||
2270 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2271 | "Dumping firmware!\n", hccr); | |
05236a05 | 2272 | |
e315cd28 | 2273 | qla2xxx_check_risc_status(vha); |
05236a05 | 2274 | |
e315cd28 AC |
2275 | ha->isp_ops->fw_dump(vha, 1); |
2276 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2277 | break; |
2278 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2279 | break; | |
2280 | ||
2281 | switch (stat & 0xff) { | |
2282 | case 0x1: | |
2283 | case 0x2: | |
2284 | case 0x10: | |
2285 | case 0x11: | |
e315cd28 | 2286 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2287 | status |= MBX_INTERRUPT; |
2288 | ||
2289 | break; | |
2290 | case 0x12: | |
2291 | mb[0] = MSW(stat); | |
2292 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2293 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2294 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2295 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2296 | break; |
2297 | case 0x13: | |
73208dfd | 2298 | case 0x14: |
2afa19a9 | 2299 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2300 | break; |
2301 | default: | |
2302 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2303 | "(%d).\n", | |
e315cd28 | 2304 | vha->host_no, stat & 0xff)); |
a8488abe AV |
2305 | break; |
2306 | } | |
2307 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2308 | } while (0); |
0f19bc68 | 2309 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2310 | |
2311 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2312 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2313 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2314 | complete(&ha->mbx_intr_comp); |
a8488abe | 2315 | } |
a8488abe AV |
2316 | return IRQ_HANDLED; |
2317 | } | |
2318 | ||
2319 | /* Interrupt handling helpers. */ | |
2320 | ||
2321 | struct qla_init_msix_entry { | |
a8488abe | 2322 | const char *name; |
476834c2 | 2323 | irq_handler_t handler; |
a8488abe AV |
2324 | }; |
2325 | ||
68ca949c | 2326 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2327 | { "qla2xxx (default)", qla24xx_msix_default }, |
2328 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2329 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2330 | }; |
2331 | ||
a9083016 GM |
2332 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2333 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2334 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2335 | }; | |
2336 | ||
a8488abe | 2337 | static void |
e315cd28 | 2338 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2339 | { |
2340 | int i; | |
2341 | struct qla_msix_entry *qentry; | |
2342 | ||
73208dfd AC |
2343 | for (i = 0; i < ha->msix_count; i++) { |
2344 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2345 | if (qentry->have_irq) |
73208dfd | 2346 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2347 | } |
2348 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2349 | kfree(ha->msix_entries); |
2350 | ha->msix_entries = NULL; | |
2351 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
2352 | } |
2353 | ||
2354 | static int | |
73208dfd | 2355 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2356 | { |
ad038fa8 | 2357 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2358 | int i, ret; |
73208dfd | 2359 | struct msix_entry *entries; |
a8488abe | 2360 | struct qla_msix_entry *qentry; |
73208dfd AC |
2361 | |
2362 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2363 | GFP_KERNEL); |
73208dfd AC |
2364 | if (!entries) |
2365 | return -ENOMEM; | |
a8488abe | 2366 | |
73208dfd AC |
2367 | for (i = 0; i < ha->msix_count; i++) |
2368 | entries[i].entry = i; | |
a8488abe | 2369 | |
73208dfd | 2370 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2371 | if (ret) { |
ad038fa8 LC |
2372 | if (ret < MIN_MSIX_COUNT) |
2373 | goto msix_failed; | |
2374 | ||
a8488abe | 2375 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
2376 | "MSI-X: Failed to enable support -- %d/%d\n" |
2377 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
2378 | ha->msix_count = ret; | |
2379 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2380 | if (ret) { | |
ad038fa8 | 2381 | msix_failed: |
73208dfd AC |
2382 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
2383 | " support, giving up -- %d/%d\n", | |
2384 | ha->msix_count, ret); | |
2385 | goto msix_out; | |
2386 | } | |
2afa19a9 | 2387 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2388 | } |
2389 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2390 | ha->msix_count, GFP_KERNEL); | |
2391 | if (!ha->msix_entries) { | |
2392 | ret = -ENOMEM; | |
a8488abe AV |
2393 | goto msix_out; |
2394 | } | |
2395 | ha->flags.msix_enabled = 1; | |
2396 | ||
73208dfd AC |
2397 | for (i = 0; i < ha->msix_count; i++) { |
2398 | qentry = &ha->msix_entries[i]; | |
2399 | qentry->vector = entries[i].vector; | |
2400 | qentry->entry = entries[i].entry; | |
a8488abe | 2401 | qentry->have_irq = 0; |
73208dfd | 2402 | qentry->rsp = NULL; |
a8488abe AV |
2403 | } |
2404 | ||
2afa19a9 AC |
2405 | /* Enable MSI-X vectors for the base queue */ |
2406 | for (i = 0; i < 2; i++) { | |
2407 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2408 | if (IS_QLA82XX(ha)) { |
2409 | ret = request_irq(qentry->vector, | |
2410 | qla82xx_msix_entries[i].handler, | |
2411 | 0, qla82xx_msix_entries[i].name, rsp); | |
2412 | } else { | |
2413 | ret = request_irq(qentry->vector, | |
2414 | msix_entries[i].handler, | |
2415 | 0, msix_entries[i].name, rsp); | |
2416 | } | |
2afa19a9 AC |
2417 | if (ret) { |
2418 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
2419 | "MSI-X: Unable to register handler -- %x/%d.\n", |
2420 | qentry->vector, ret); | |
2afa19a9 AC |
2421 | qla24xx_disable_msix(ha); |
2422 | ha->mqenable = 0; | |
2423 | goto msix_out; | |
2424 | } | |
2425 | qentry->have_irq = 1; | |
2426 | qentry->rsp = rsp; | |
2427 | rsp->msix = qentry; | |
73208dfd | 2428 | } |
73208dfd AC |
2429 | |
2430 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2431 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2432 | ha->mqenable = 1; |
73208dfd | 2433 | |
a8488abe | 2434 | msix_out: |
73208dfd | 2435 | kfree(entries); |
a8488abe AV |
2436 | return ret; |
2437 | } | |
2438 | ||
2439 | int | |
73208dfd | 2440 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2441 | { |
2442 | int ret; | |
963b0fdd | 2443 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
2444 | |
2445 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2446 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2447 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2448 | goto skip_msi; |
2449 | ||
2450 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2451 | (ha->pdev->subsystem_device == 0x7040 || | |
2452 | ha->pdev->subsystem_device == 0x7041 || | |
2453 | ha->pdev->subsystem_device == 0x1705)) { | |
2454 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2455 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n", | |
2456 | ha->pdev->subsystem_vendor, | |
2457 | ha->pdev->subsystem_device)); | |
2458 | goto skip_msi; | |
2459 | } | |
a8488abe | 2460 | |
e315cd28 AC |
2461 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2462 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2463 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2464 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2465 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2466 | goto skip_msix; |
2467 | } | |
2468 | ||
73208dfd | 2469 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2470 | if (!ret) { |
2471 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2472 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2473 | ha->fw_attributes)); | |
963b0fdd | 2474 | goto clear_risc_ints; |
a8488abe AV |
2475 | } |
2476 | qla_printk(KERN_WARNING, ha, | |
a9083016 | 2477 | "MSI-X: Falling back-to MSI mode -- %d.\n", ret); |
a8488abe | 2478 | skip_msix: |
cbedb601 | 2479 | |
3a03eb79 AV |
2480 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2481 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2482 | goto skip_msi; |
2483 | ||
2484 | ret = pci_enable_msi(ha->pdev); | |
2485 | if (!ret) { | |
2486 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2487 | ha->flags.msi_enabled = 1; | |
a9083016 GM |
2488 | } else |
2489 | qla_printk(KERN_WARNING, ha, | |
2490 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2491 | skip_msi: |
2492 | ||
fd34f556 | 2493 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2494 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2495 | if (ret) { |
a8488abe AV |
2496 | qla_printk(KERN_WARNING, ha, |
2497 | "Failed to reserve interrupt %d already in use.\n", | |
2498 | ha->pdev->irq); | |
963b0fdd AV |
2499 | goto fail; |
2500 | } | |
2501 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2502 | clear_risc_ints: |
2503 | ||
3a03eb79 AV |
2504 | /* |
2505 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2506 | * Timing deltas during MSI-X/INTa transitions? | |
2507 | */ | |
a9083016 | 2508 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2509 | goto fail; |
c6952483 | 2510 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2511 | if (IS_FWI2_CAPABLE(ha)) { |
2512 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2513 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2514 | } else { | |
2515 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2516 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2517 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2518 | } |
c6952483 | 2519 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2520 | |
963b0fdd | 2521 | fail: |
a8488abe AV |
2522 | return ret; |
2523 | } | |
2524 | ||
2525 | void | |
e315cd28 | 2526 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2527 | { |
e315cd28 | 2528 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2529 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2530 | |
2531 | if (ha->flags.msix_enabled) | |
2532 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2533 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2534 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2535 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2536 | } else |
2537 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2538 | } |
e315cd28 | 2539 | |
73208dfd AC |
2540 | |
2541 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2542 | { | |
2543 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2544 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2545 | struct qla_msix_entry *msix = rsp->msix; |
2546 | int ret; | |
2547 | ||
2548 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2549 | if (ret) { | |
2550 | qla_printk(KERN_WARNING, ha, | |
2551 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2552 | msix->vector, ret); | |
2553 | return ret; | |
2554 | } | |
2555 | msix->have_irq = 1; | |
2556 | msix->rsp = rsp; | |
2557 | return ret; | |
2558 | } |