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; |
bc5c2aad | 324 | struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; |
1da177e4 LT |
325 | uint32_t rscn_entry, host_pid; |
326 | uint8_t rscn_queue_index; | |
4d4df193 | 327 | unsigned long flags; |
1da177e4 LT |
328 | |
329 | /* Setup to process RIO completion. */ | |
330 | handle_cnt = 0; | |
a9083016 | 331 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 332 | goto skip_rio; |
1da177e4 LT |
333 | switch (mb[0]) { |
334 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 335 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
336 | handle_cnt = 1; |
337 | break; | |
338 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 339 | handles[0] = mb[1]; |
1da177e4 LT |
340 | handle_cnt = 1; |
341 | mb[0] = MBA_SCSI_COMPLETION; | |
342 | break; | |
343 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
344 | handles[0] = mb[1]; |
345 | handles[1] = mb[2]; | |
1da177e4 LT |
346 | handle_cnt = 2; |
347 | mb[0] = MBA_SCSI_COMPLETION; | |
348 | break; | |
349 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
350 | handles[0] = mb[1]; |
351 | handles[1] = mb[2]; | |
352 | handles[2] = mb[3]; | |
1da177e4 LT |
353 | handle_cnt = 3; |
354 | mb[0] = MBA_SCSI_COMPLETION; | |
355 | break; | |
356 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
357 | handles[0] = mb[1]; |
358 | handles[1] = mb[2]; | |
359 | handles[2] = mb[3]; | |
1da177e4 LT |
360 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
361 | handle_cnt = 4; | |
362 | mb[0] = MBA_SCSI_COMPLETION; | |
363 | break; | |
364 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
365 | handles[0] = mb[1]; |
366 | handles[1] = mb[2]; | |
367 | handles[2] = mb[3]; | |
1da177e4 LT |
368 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
369 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
370 | handle_cnt = 5; | |
371 | mb[0] = MBA_SCSI_COMPLETION; | |
372 | break; | |
373 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 374 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
375 | handles[1] = le32_to_cpu( |
376 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
377 | RD_MAILBOX_REG(ha, reg, 6)); | |
378 | handle_cnt = 2; | |
379 | mb[0] = MBA_SCSI_COMPLETION; | |
380 | break; | |
381 | default: | |
382 | break; | |
383 | } | |
3a03eb79 | 384 | skip_rio: |
1da177e4 LT |
385 | switch (mb[0]) { |
386 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 387 | if (!vha->flags.online) |
1da177e4 LT |
388 | break; |
389 | ||
390 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
391 | qla2x00_process_completed_request(vha, rsp->req, |
392 | handles[cnt]); | |
1da177e4 LT |
393 | break; |
394 | ||
395 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
396 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
397 | vha->host_no)); | |
1da177e4 | 398 | |
e315cd28 | 399 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
400 | break; |
401 | ||
402 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 403 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
1da177e4 | 404 | qla_printk(KERN_INFO, ha, |
bdab23da AV |
405 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
406 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 407 | |
e315cd28 | 408 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 409 | |
e428924c | 410 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
411 | if (mb[1] == 0 && mb[2] == 0) { |
412 | qla_printk(KERN_ERR, ha, | |
413 | "Unrecoverable Hardware Error: adapter " | |
414 | "marked OFFLINE!\n"); | |
e315cd28 | 415 | vha->flags.online = 0; |
b1d46989 | 416 | } else { |
25985edc | 417 | /* Check to see if MPI timeout occurred */ |
b1d46989 MI |
418 | if ((mbx & MBX_3) && (ha->flags.port0)) |
419 | set_bit(MPI_RESET_NEEDED, | |
420 | &vha->dpc_flags); | |
421 | ||
e315cd28 | 422 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
b1d46989 | 423 | } |
9a853f71 | 424 | } else if (mb[1] == 0) { |
1da177e4 LT |
425 | qla_printk(KERN_INFO, ha, |
426 | "Unrecoverable Hardware Error: adapter marked " | |
427 | "OFFLINE!\n"); | |
e315cd28 | 428 | vha->flags.online = 0; |
1da177e4 | 429 | } else |
e315cd28 | 430 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
431 | break; |
432 | ||
433 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
bdab23da AV |
434 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n", |
435 | vha->host_no, mb[1])); | |
436 | qla_printk(KERN_WARNING, ha, | |
437 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 438 | |
e315cd28 | 439 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
440 | break; |
441 | ||
442 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
443 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 444 | vha->host_no)); |
1da177e4 LT |
445 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
446 | ||
e315cd28 | 447 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
448 | break; |
449 | ||
450 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
451 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 452 | vha->host_no)); |
1da177e4 LT |
453 | break; |
454 | ||
455 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 456 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 457 | mb[1])); |
cc3ef7bc | 458 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 459 | |
e315cd28 AC |
460 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
461 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
462 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
463 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
464 | } |
465 | ||
e315cd28 AC |
466 | if (vha->vp_idx) { |
467 | atomic_set(&vha->vp_state, VP_FAILED); | |
468 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
469 | } |
470 | ||
e315cd28 AC |
471 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
472 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 473 | |
e315cd28 AC |
474 | vha->flags.management_server_logged_in = 0; |
475 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
476 | break; |
477 | ||
478 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
479 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
480 | link_speed = link_speeds[0]; | |
d8b45213 | 481 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 482 | } else { |
9a853f71 | 483 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
484 | if (mb[1] < 5) |
485 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
486 | else if (mb[1] == 0x13) |
487 | link_speed = link_speeds[5]; | |
1da177e4 LT |
488 | ha->link_data_rate = mb[1]; |
489 | } | |
490 | ||
491 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 492 | vha->host_no, link_speed)); |
1da177e4 LT |
493 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
494 | link_speed); | |
495 | ||
e315cd28 AC |
496 | vha->flags.management_server_logged_in = 0; |
497 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
498 | break; |
499 | ||
500 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 501 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
bc5c2aad | 502 | mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; |
4d4df193 | 503 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
bdab23da AV |
504 | "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3], |
505 | mbx)); | |
506 | qla_printk(KERN_INFO, ha, | |
507 | "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], | |
508 | mbx); | |
1da177e4 | 509 | |
e315cd28 AC |
510 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
511 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
512 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
513 | vha->device_flags |= DFLG_NO_CABLE; | |
514 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
515 | } |
516 | ||
e315cd28 AC |
517 | if (vha->vp_idx) { |
518 | atomic_set(&vha->vp_state, VP_FAILED); | |
519 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
520 | } |
521 | ||
e315cd28 | 522 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 523 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 524 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
525 | break; |
526 | ||
527 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 528 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 529 | vha->host_no, mb[1])); |
1da177e4 | 530 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 531 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 532 | |
e315cd28 AC |
533 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
534 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
535 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
536 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
537 | } |
538 | ||
e315cd28 AC |
539 | if (vha->vp_idx) { |
540 | atomic_set(&vha->vp_state, VP_FAILED); | |
541 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
542 | } |
543 | ||
e315cd28 | 544 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
545 | |
546 | ha->operating_mode = LOOP; | |
e315cd28 AC |
547 | vha->flags.management_server_logged_in = 0; |
548 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
549 | break; |
550 | ||
3a03eb79 | 551 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
552 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
553 | if (IS_QLA2100(ha)) | |
554 | break; | |
555 | ||
23f2ebd1 | 556 | if (IS_QLA8XXX_TYPE(ha)) { |
3a03eb79 AV |
557 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " |
558 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
23f2ebd1 SR |
559 | if (ha->notify_dcbx_comp) |
560 | complete(&ha->dcbx_comp); | |
561 | ||
562 | } else | |
3a03eb79 AV |
563 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " |
564 | "received.\n", vha->host_no)); | |
1da177e4 LT |
565 | |
566 | /* | |
567 | * Until there's a transition from loop down to loop up, treat | |
568 | * this as loop down only. | |
569 | */ | |
e315cd28 AC |
570 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
571 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
572 | if (!atomic_read(&vha->loop_down_timer)) | |
573 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 574 | LOOP_DOWN_TIME); |
e315cd28 | 575 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
576 | } |
577 | ||
e315cd28 AC |
578 | if (vha->vp_idx) { |
579 | atomic_set(&vha->vp_state, VP_FAILED); | |
580 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
581 | } |
582 | ||
e315cd28 AC |
583 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
584 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
585 | ||
586 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
587 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
588 | |
589 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 590 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
591 | break; |
592 | ||
593 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
594 | if (IS_QLA2100(ha)) | |
595 | break; | |
596 | ||
1da177e4 LT |
597 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
598 | "received.\n", | |
e315cd28 | 599 | vha->host_no)); |
1da177e4 LT |
600 | qla_printk(KERN_INFO, ha, |
601 | "Configuration change detected: value=%x.\n", mb[1]); | |
602 | ||
e315cd28 AC |
603 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
604 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
605 | if (!atomic_read(&vha->loop_down_timer)) | |
606 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 607 | LOOP_DOWN_TIME); |
e315cd28 | 608 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
609 | } |
610 | ||
e315cd28 AC |
611 | if (vha->vp_idx) { |
612 | atomic_set(&vha->vp_state, VP_FAILED); | |
613 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
614 | } |
615 | ||
e315cd28 AC |
616 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
617 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
618 | break; |
619 | ||
620 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
621 | /* |
622 | * Handle only global and vn-port update events | |
623 | * | |
624 | * Relevant inputs: | |
625 | * mb[1] = N_Port handle of changed port | |
626 | * OR 0xffff for global event | |
627 | * mb[2] = New login state | |
628 | * 7 = Port logged out | |
629 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
630 | * | |
631 | * Skip processing if: | |
632 | * Event is global, vp_idx is NOT all vps, | |
633 | * vp_idx does not match | |
634 | * Event is not global, vp_idx does not match | |
635 | */ | |
12cec63e AV |
636 | if (IS_QLA2XXX_MIDTYPE(ha) && |
637 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
638 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
639 | break; | |
73208dfd | 640 | |
9764ff88 AV |
641 | /* Global event -- port logout or port unavailable. */ |
642 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
643 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
644 | vha->host_no)); | |
645 | DEBUG(printk(KERN_INFO | |
646 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
647 | vha->host_no, mb[1], mb[2], mb[3])); | |
648 | ||
649 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
650 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
651 | atomic_set(&vha->loop_down_timer, | |
652 | LOOP_DOWN_TIME); | |
653 | vha->device_flags |= DFLG_NO_CABLE; | |
654 | qla2x00_mark_all_devices_lost(vha, 1); | |
655 | } | |
656 | ||
657 | if (vha->vp_idx) { | |
658 | atomic_set(&vha->vp_state, VP_FAILED); | |
659 | fc_vport_set_state(vha->fc_vport, | |
660 | FC_VPORT_FAILED); | |
faadc5e7 | 661 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
662 | } |
663 | ||
664 | vha->flags.management_server_logged_in = 0; | |
665 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
666 | break; | |
667 | } | |
668 | ||
1da177e4 | 669 | /* |
cc3ef7bc | 670 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
671 | * event etc. earlier indicating loop is down) then process |
672 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
673 | */ | |
e315cd28 AC |
674 | atomic_set(&vha->loop_down_timer, 0); |
675 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
676 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 677 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 678 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 679 | mb[2], mb[3])); |
1da177e4 LT |
680 | break; |
681 | } | |
682 | ||
683 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 684 | vha->host_no)); |
1da177e4 | 685 | DEBUG(printk(KERN_INFO |
9a853f71 | 686 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 687 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
688 | |
689 | /* | |
690 | * Mark all devices as missing so we will login again. | |
691 | */ | |
e315cd28 | 692 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 693 | |
e315cd28 | 694 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 695 | |
e315cd28 | 696 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 697 | |
e315cd28 AC |
698 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
699 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
700 | break; |
701 | ||
702 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 703 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 704 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
705 | break; |
706 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 707 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 708 | break; |
0d6e61bc | 709 | |
1da177e4 | 710 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 711 | vha->host_no)); |
1da177e4 | 712 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 713 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 714 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 715 | |
59d72d87 | 716 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
717 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
718 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
719 | if (rscn_entry == host_pid) { |
720 | DEBUG(printk(KERN_INFO | |
721 | "scsi(%ld): Ignoring RSCN update to local host " | |
722 | "port ID (%06x)\n", | |
e315cd28 | 723 | vha->host_no, host_pid)); |
1da177e4 LT |
724 | break; |
725 | } | |
726 | ||
59d72d87 RA |
727 | /* Ignore reserved bits from RSCN-payload. */ |
728 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 729 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
730 | if (rscn_queue_index == MAX_RSCN_COUNT) |
731 | rscn_queue_index = 0; | |
e315cd28 AC |
732 | if (rscn_queue_index != vha->rscn_out_ptr) { |
733 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
734 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 735 | } else { |
e315cd28 | 736 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
737 | } |
738 | ||
e315cd28 AC |
739 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
740 | atomic_set(&vha->loop_down_timer, 0); | |
741 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 742 | |
e315cd28 AC |
743 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
744 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
745 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
746 | break; |
747 | ||
748 | /* case MBA_RIO_RESPONSE: */ | |
749 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 750 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 751 | vha->host_no)); |
1da177e4 | 752 | |
e428924c | 753 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 754 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 755 | else |
73208dfd | 756 | qla2x00_process_response_queue(rsp); |
1da177e4 | 757 | break; |
9a853f71 AV |
758 | |
759 | case MBA_DISCARD_RND_FRAME: | |
760 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 761 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 762 | break; |
45ebeb56 AV |
763 | |
764 | case MBA_TRACE_NOTIFICATION: | |
765 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 766 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 767 | break; |
4d4df193 HK |
768 | |
769 | case MBA_ISP84XX_ALERT: | |
770 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 771 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
772 | |
773 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
774 | switch (mb[1]) { | |
775 | case A84_PANIC_RECOVERY: | |
776 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
777 | "%04x %04x\n", mb[2], mb[3]); | |
778 | break; | |
779 | case A84_OP_LOGIN_COMPLETE: | |
780 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
781 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
782 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
783 | break; | |
784 | case A84_DIAG_LOGIN_COMPLETE: | |
785 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
786 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
787 | "diagnostic firmware version %x\n", | |
788 | ha->cs84xx->diag_fw_version)); | |
789 | break; | |
790 | case A84_GOLD_LOGIN_COMPLETE: | |
791 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
792 | ha->cs84xx->fw_update = 1; | |
793 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
794 | "firmware version %x\n", | |
795 | ha->cs84xx->gold_fw_version)); | |
796 | break; | |
797 | default: | |
798 | qla_printk(KERN_ERR, ha, | |
799 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
800 | mb[1], mb[2], mb[3]); | |
801 | } | |
802 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
803 | break; | |
3a03eb79 AV |
804 | case MBA_DCBX_START: |
805 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
806 | vha->host_no, mb[1], mb[2], mb[3])); | |
807 | break; | |
808 | case MBA_DCBX_PARAM_UPDATE: | |
809 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
810 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
811 | break; | |
812 | case MBA_FCF_CONF_ERR: | |
813 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
814 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
815 | break; | |
816 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 817 | case MBA_IDC_NOTIFY: |
3a03eb79 | 818 | case MBA_IDC_TIME_EXT: |
8a659571 | 819 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 820 | break; |
1da177e4 | 821 | } |
2c3dfe3f | 822 | |
e315cd28 | 823 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 824 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
825 | } |
826 | ||
827 | /** | |
828 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
829 | * @ha: SCSI driver HA context | |
830 | * @index: SRB index | |
831 | */ | |
832 | static void | |
73208dfd AC |
833 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
834 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
835 | { |
836 | srb_t *sp; | |
e315cd28 | 837 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
838 | |
839 | /* Validate handle. */ | |
840 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
841 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 842 | vha->host_no, index)); |
1da177e4 LT |
843 | qla_printk(KERN_WARNING, ha, |
844 | "Invalid SCSI completion handle %d.\n", index); | |
845 | ||
e315cd28 | 846 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
847 | return; |
848 | } | |
849 | ||
e315cd28 | 850 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
851 | if (sp) { |
852 | /* Free outstanding command slot. */ | |
e315cd28 | 853 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 854 | |
1da177e4 LT |
855 | /* Save ISP completion status */ |
856 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 857 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 858 | } else { |
2afa19a9 | 859 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
a9083016 | 860 | " handle(0x%x)\n", vha->host_no, req->id, index)); |
1da177e4 LT |
861 | qla_printk(KERN_WARNING, ha, |
862 | "Invalid ISP SCSI completion handle\n"); | |
863 | ||
e315cd28 | 864 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
865 | } |
866 | } | |
867 | ||
ac280b67 AV |
868 | static srb_t * |
869 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
870 | struct req_que *req, void *iocb) | |
871 | { | |
872 | struct qla_hw_data *ha = vha->hw; | |
873 | sts_entry_t *pkt = iocb; | |
874 | srb_t *sp = NULL; | |
875 | uint16_t index; | |
876 | ||
877 | index = LSW(pkt->handle); | |
878 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
879 | qla_printk(KERN_WARNING, ha, | |
880 | "%s: Invalid completion handle (%x).\n", func, index); | |
881 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
882 | goto done; | |
883 | } | |
884 | sp = req->outstanding_cmds[index]; | |
885 | if (!sp) { | |
886 | qla_printk(KERN_WARNING, ha, | |
887 | "%s: Invalid completion handle (%x) -- timed-out.\n", func, | |
888 | index); | |
889 | return sp; | |
890 | } | |
891 | if (sp->handle != index) { | |
892 | qla_printk(KERN_WARNING, ha, | |
893 | "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, | |
894 | index); | |
895 | return NULL; | |
896 | } | |
9a069e19 | 897 | |
ac280b67 | 898 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 899 | |
ac280b67 AV |
900 | done: |
901 | return sp; | |
902 | } | |
903 | ||
904 | static void | |
905 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
906 | struct mbx_entry *mbx) | |
907 | { | |
908 | const char func[] = "MBX-IOCB"; | |
909 | const char *type; | |
ac280b67 AV |
910 | fc_port_t *fcport; |
911 | srb_t *sp; | |
4916392b MI |
912 | struct srb_iocb *lio; |
913 | struct srb_ctx *ctx; | |
99b0bec7 | 914 | uint16_t *data; |
5ff1d584 | 915 | uint16_t status; |
ac280b67 AV |
916 | |
917 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
918 | if (!sp) | |
919 | return; | |
920 | ||
4916392b MI |
921 | ctx = sp->ctx; |
922 | lio = ctx->u.iocb_cmd; | |
923 | type = ctx->name; | |
ac280b67 | 924 | fcport = sp->fcport; |
4916392b | 925 | data = lio->u.logio.data; |
ac280b67 | 926 | |
5ff1d584 | 927 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 928 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 929 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
930 | if (mbx->entry_status) { |
931 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
932 | "scsi(%ld:%x): Async-%s error entry - portid=%02x%02x%02x " |
933 | "entry-status=%x status=%x state-flag=%x " | |
934 | "status-flags=%x.\n", | |
ac280b67 | 935 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
936 | fcport->d_id.b.domain, fcport->d_id.b.area, |
937 | fcport->d_id.b.al_pa, mbx->entry_status, | |
938 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), | |
ac280b67 | 939 | le16_to_cpu(mbx->status_flags))); |
d3fa9e7d | 940 | |
ac280b67 AV |
941 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx))); |
942 | ||
99b0bec7 | 943 | goto logio_done; |
ac280b67 AV |
944 | } |
945 | ||
5ff1d584 | 946 | status = le16_to_cpu(mbx->status); |
4916392b | 947 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
5ff1d584 AV |
948 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
949 | status = 0; | |
950 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
ac280b67 | 951 | DEBUG2(printk(KERN_DEBUG |
d3fa9e7d AV |
952 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
953 | "mbx1=%x.\n", | |
ac280b67 | 954 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
955 | fcport->d_id.b.domain, fcport->d_id.b.area, |
956 | fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1))); | |
ac280b67 AV |
957 | |
958 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 959 | if (ctx->type == SRB_LOGIN_CMD) { |
99b0bec7 AV |
960 | fcport->port_type = FCT_TARGET; |
961 | if (le16_to_cpu(mbx->mb1) & BIT_0) | |
962 | fcport->port_type = FCT_INITIATOR; | |
6ac52608 | 963 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
99b0bec7 | 964 | fcport->flags |= FCF_FCP2_DEVICE; |
5ff1d584 | 965 | } |
99b0bec7 | 966 | goto logio_done; |
ac280b67 AV |
967 | } |
968 | ||
969 | data[0] = le16_to_cpu(mbx->mb0); | |
970 | switch (data[0]) { | |
971 | case MBS_PORT_ID_USED: | |
972 | data[1] = le16_to_cpu(mbx->mb1); | |
973 | break; | |
974 | case MBS_LOOP_ID_USED: | |
975 | break; | |
976 | default: | |
977 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
978 | break; |
979 | } | |
980 | ||
981 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
982 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x status=%x " |
983 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", | |
984 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
985 | fcport->d_id.b.area, fcport->d_id.b.al_pa, status, | |
ac280b67 AV |
986 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
987 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
988 | le16_to_cpu(mbx->mb7))); | |
989 | ||
99b0bec7 | 990 | logio_done: |
4916392b | 991 | lio->done(sp); |
ac280b67 AV |
992 | } |
993 | ||
9bc4f4fb HZ |
994 | static void |
995 | qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
996 | sts_entry_t *pkt, int iocb_type) | |
997 | { | |
998 | const char func[] = "CT_IOCB"; | |
999 | const char *type; | |
1000 | struct qla_hw_data *ha = vha->hw; | |
1001 | srb_t *sp; | |
1002 | struct srb_ctx *sp_bsg; | |
1003 | struct fc_bsg_job *bsg_job; | |
1004 | uint16_t comp_status; | |
1005 | ||
1006 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1007 | if (!sp) | |
1008 | return; | |
1009 | ||
1010 | sp_bsg = sp->ctx; | |
1011 | bsg_job = sp_bsg->u.bsg_job; | |
1012 | ||
1013 | type = NULL; | |
1014 | switch (sp_bsg->type) { | |
1015 | case SRB_CT_CMD: | |
1016 | type = "ct pass-through"; | |
1017 | break; | |
1018 | default: | |
1019 | qla_printk(KERN_WARNING, ha, | |
1020 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
1021 | sp_bsg->type); | |
1022 | return; | |
1023 | } | |
1024 | ||
1025 | comp_status = le16_to_cpu(pkt->comp_status); | |
1026 | ||
1027 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1028 | * fc payload to the caller | |
1029 | */ | |
1030 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1031 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
1032 | ||
1033 | if (comp_status != CS_COMPLETE) { | |
1034 | if (comp_status == CS_DATA_UNDERRUN) { | |
1035 | bsg_job->reply->result = DID_OK << 16; | |
1036 | bsg_job->reply->reply_payload_rcv_len = | |
1037 | le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); | |
1038 | ||
1039 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1040 | "scsi(%ld): CT pass-through-%s error " | |
1041 | "comp_status-status=0x%x total_byte = 0x%x.\n", | |
1042 | vha->host_no, type, comp_status, | |
1043 | bsg_job->reply->reply_payload_rcv_len)); | |
1044 | } else { | |
1045 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1046 | "scsi(%ld): CT pass-through-%s error " | |
1047 | "comp_status-status=0x%x.\n", | |
1048 | vha->host_no, type, comp_status)); | |
1049 | bsg_job->reply->result = DID_ERROR << 16; | |
1050 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1051 | } | |
1052 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1053 | } else { | |
1054 | bsg_job->reply->result = DID_OK << 16;; | |
1055 | bsg_job->reply->reply_payload_rcv_len = | |
1056 | bsg_job->reply_payload.payload_len; | |
1057 | bsg_job->reply_len = 0; | |
1058 | } | |
1059 | ||
1060 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
1061 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1062 | ||
1063 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
1064 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
1065 | ||
1066 | if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) | |
1067 | kfree(sp->fcport); | |
1068 | ||
1069 | kfree(sp->ctx); | |
1070 | mempool_free(sp, ha->srb_mempool); | |
1071 | bsg_job->job_done(bsg_job); | |
1072 | } | |
1073 | ||
9a069e19 GM |
1074 | static void |
1075 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1076 | struct sts_entry_24xx *pkt, int iocb_type) | |
1077 | { | |
1078 | const char func[] = "ELS_CT_IOCB"; | |
1079 | const char *type; | |
1080 | struct qla_hw_data *ha = vha->hw; | |
1081 | srb_t *sp; | |
4916392b | 1082 | struct srb_ctx *sp_bsg; |
9a069e19 GM |
1083 | struct fc_bsg_job *bsg_job; |
1084 | uint16_t comp_status; | |
1085 | uint32_t fw_status[3]; | |
1086 | uint8_t* fw_sts_ptr; | |
1087 | ||
1088 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1089 | if (!sp) | |
1090 | return; | |
4916392b MI |
1091 | sp_bsg = sp->ctx; |
1092 | bsg_job = sp_bsg->u.bsg_job; | |
9a069e19 GM |
1093 | |
1094 | type = NULL; | |
4916392b | 1095 | switch (sp_bsg->type) { |
9a069e19 GM |
1096 | case SRB_ELS_CMD_RPT: |
1097 | case SRB_ELS_CMD_HST: | |
1098 | type = "els"; | |
1099 | break; | |
1100 | case SRB_CT_CMD: | |
1101 | type = "ct pass-through"; | |
1102 | break; | |
1103 | default: | |
1104 | qla_printk(KERN_WARNING, ha, | |
1105 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
4916392b | 1106 | sp_bsg->type); |
9a069e19 GM |
1107 | return; |
1108 | } | |
1109 | ||
1110 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1111 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1112 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
1113 | ||
1114 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT | |
1115 | * fc payload to the caller | |
1116 | */ | |
1117 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; | |
1118 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); | |
1119 | ||
1120 | if (comp_status != CS_COMPLETE) { | |
1121 | if (comp_status == CS_DATA_UNDERRUN) { | |
1122 | bsg_job->reply->result = DID_OK << 16; | |
1123 | bsg_job->reply->reply_payload_rcv_len = | |
1124 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1125 | ||
1126 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1127 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1128 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", | |
1129 | vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2], | |
1130 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count))); | |
1131 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1132 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1133 | } | |
1134 | else { | |
1135 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1136 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1137 | "error subcode 1=0x%x error subcode 2=0x%x.\n", | |
1138 | vha->host_no, sp->handle, type, comp_status, | |
1139 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1), | |
1140 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2))); | |
1141 | bsg_job->reply->result = DID_ERROR << 16; | |
1142 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1143 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1144 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1145 | } | |
1146 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1147 | } | |
1148 | else { | |
1149 | bsg_job->reply->result = DID_OK << 16;; | |
1150 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; | |
1151 | bsg_job->reply_len = 0; | |
1152 | } | |
1153 | ||
1154 | dma_unmap_sg(&ha->pdev->dev, | |
1155 | bsg_job->request_payload.sg_list, | |
1156 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1157 | dma_unmap_sg(&ha->pdev->dev, | |
1158 | bsg_job->reply_payload.sg_list, | |
1159 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
4916392b MI |
1160 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
1161 | (sp_bsg->type == SRB_CT_CMD)) | |
9a069e19 GM |
1162 | kfree(sp->fcport); |
1163 | kfree(sp->ctx); | |
1164 | mempool_free(sp, ha->srb_mempool); | |
1165 | bsg_job->job_done(bsg_job); | |
1166 | } | |
1167 | ||
ac280b67 AV |
1168 | static void |
1169 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1170 | struct logio_entry_24xx *logio) | |
1171 | { | |
1172 | const char func[] = "LOGIO-IOCB"; | |
1173 | const char *type; | |
ac280b67 AV |
1174 | fc_port_t *fcport; |
1175 | srb_t *sp; | |
4916392b MI |
1176 | struct srb_iocb *lio; |
1177 | struct srb_ctx *ctx; | |
99b0bec7 | 1178 | uint16_t *data; |
ac280b67 AV |
1179 | uint32_t iop[2]; |
1180 | ||
1181 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1182 | if (!sp) | |
1183 | return; | |
1184 | ||
4916392b MI |
1185 | ctx = sp->ctx; |
1186 | lio = ctx->u.iocb_cmd; | |
1187 | type = ctx->name; | |
ac280b67 | 1188 | fcport = sp->fcport; |
4916392b | 1189 | data = lio->u.logio.data; |
ac280b67 | 1190 | |
5ff1d584 | 1191 | data[0] = MBS_COMMAND_ERROR; |
4916392b | 1192 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
5ff1d584 | 1193 | QLA_LOGIO_LOGIN_RETRIED : 0; |
ac280b67 AV |
1194 | if (logio->entry_status) { |
1195 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1196 | "scsi(%ld:%x): Async-%s error entry - " |
1197 | "portid=%02x%02x%02x entry-status=%x.\n", | |
ac280b67 | 1198 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1199 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1200 | fcport->d_id.b.al_pa, logio->entry_status)); | |
ac280b67 AV |
1201 | DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio))); |
1202 | ||
99b0bec7 | 1203 | goto logio_done; |
ac280b67 AV |
1204 | } |
1205 | ||
1206 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
1207 | DEBUG2(printk(KERN_DEBUG | |
d3fa9e7d AV |
1208 | "scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x " |
1209 | "iop0=%x.\n", | |
ac280b67 | 1210 | fcport->vha->host_no, sp->handle, type, |
d3fa9e7d AV |
1211 | fcport->d_id.b.domain, fcport->d_id.b.area, |
1212 | fcport->d_id.b.al_pa, | |
ac280b67 AV |
1213 | le32_to_cpu(logio->io_parameter[0]))); |
1214 | ||
1215 | data[0] = MBS_COMMAND_COMPLETE; | |
4916392b | 1216 | if (ctx->type != SRB_LOGIN_CMD) |
99b0bec7 | 1217 | goto logio_done; |
ac280b67 AV |
1218 | |
1219 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1220 | if (iop[0] & BIT_4) { | |
1221 | fcport->port_type = FCT_TARGET; | |
1222 | if (iop[0] & BIT_8) | |
8474f3a0 | 1223 | fcport->flags |= FCF_FCP2_DEVICE; |
b0cd579c | 1224 | } else if (iop[0] & BIT_5) |
ac280b67 | 1225 | fcport->port_type = FCT_INITIATOR; |
b0cd579c | 1226 | |
ac280b67 AV |
1227 | if (logio->io_parameter[7] || logio->io_parameter[8]) |
1228 | fcport->supported_classes |= FC_COS_CLASS2; | |
1229 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1230 | fcport->supported_classes |= FC_COS_CLASS3; | |
1231 | ||
99b0bec7 | 1232 | goto logio_done; |
ac280b67 AV |
1233 | } |
1234 | ||
1235 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1236 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1237 | switch (iop[0]) { | |
1238 | case LSC_SCODE_PORTID_USED: | |
1239 | data[0] = MBS_PORT_ID_USED; | |
1240 | data[1] = LSW(iop[1]); | |
1241 | break; | |
1242 | case LSC_SCODE_NPORT_USED: | |
1243 | data[0] = MBS_LOOP_ID_USED; | |
1244 | break; | |
ac280b67 AV |
1245 | default: |
1246 | data[0] = MBS_COMMAND_ERROR; | |
ac280b67 AV |
1247 | break; |
1248 | } | |
1249 | ||
1250 | DEBUG2(printk(KERN_WARNING | |
d3fa9e7d AV |
1251 | "scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x comp=%x " |
1252 | "iop0=%x iop1=%x.\n", | |
1253 | fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain, | |
1254 | fcport->d_id.b.area, fcport->d_id.b.al_pa, | |
ac280b67 AV |
1255 | le16_to_cpu(logio->comp_status), |
1256 | le32_to_cpu(logio->io_parameter[0]), | |
1257 | le32_to_cpu(logio->io_parameter[1]))); | |
1258 | ||
99b0bec7 | 1259 | logio_done: |
4916392b | 1260 | lio->done(sp); |
ac280b67 AV |
1261 | } |
1262 | ||
3822263e MI |
1263 | static void |
1264 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1265 | struct tsk_mgmt_entry *tsk) | |
1266 | { | |
1267 | const char func[] = "TMF-IOCB"; | |
1268 | const char *type; | |
1269 | fc_port_t *fcport; | |
1270 | srb_t *sp; | |
1271 | struct srb_iocb *iocb; | |
1272 | struct srb_ctx *ctx; | |
1273 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; | |
1274 | int error = 1; | |
1275 | ||
1276 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); | |
1277 | if (!sp) | |
1278 | return; | |
1279 | ||
1280 | ctx = sp->ctx; | |
1281 | iocb = ctx->u.iocb_cmd; | |
1282 | type = ctx->name; | |
1283 | fcport = sp->fcport; | |
1284 | ||
1285 | if (sts->entry_status) { | |
1286 | DEBUG2(printk(KERN_WARNING | |
1287 | "scsi(%ld:%x): Async-%s error - entry-status(%x).\n", | |
1288 | fcport->vha->host_no, sp->handle, type, | |
1289 | sts->entry_status)); | |
1290 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { | |
1291 | DEBUG2(printk(KERN_WARNING | |
1292 | "scsi(%ld:%x): Async-%s error - completion status(%x).\n", | |
1293 | fcport->vha->host_no, sp->handle, type, | |
1294 | sts->comp_status)); | |
1295 | } else if (!(le16_to_cpu(sts->scsi_status) & | |
1296 | SS_RESPONSE_INFO_LEN_VALID)) { | |
1297 | DEBUG2(printk(KERN_WARNING | |
1298 | "scsi(%ld:%x): Async-%s error - no response info(%x).\n", | |
1299 | fcport->vha->host_no, sp->handle, type, | |
1300 | sts->scsi_status)); | |
1301 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { | |
1302 | DEBUG2(printk(KERN_WARNING | |
1303 | "scsi(%ld:%x): Async-%s error - not enough response(%d).\n", | |
1304 | fcport->vha->host_no, sp->handle, type, | |
1305 | sts->rsp_data_len)); | |
1306 | } else if (sts->data[3]) { | |
1307 | DEBUG2(printk(KERN_WARNING | |
1308 | "scsi(%ld:%x): Async-%s error - response(%x).\n", | |
1309 | fcport->vha->host_no, sp->handle, type, | |
1310 | sts->data[3])); | |
1311 | } else { | |
1312 | error = 0; | |
1313 | } | |
1314 | ||
1315 | if (error) { | |
1316 | iocb->u.tmf.data = error; | |
1317 | DEBUG2(qla2x00_dump_buffer((uint8_t *)sts, sizeof(*sts))); | |
1318 | } | |
1319 | ||
1320 | iocb->done(sp); | |
1321 | } | |
1322 | ||
1da177e4 LT |
1323 | /** |
1324 | * qla2x00_process_response_queue() - Process response queue entries. | |
1325 | * @ha: SCSI driver HA context | |
1326 | */ | |
1327 | void | |
73208dfd | 1328 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1329 | { |
73208dfd AC |
1330 | struct scsi_qla_host *vha; |
1331 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1332 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1333 | sts_entry_t *pkt; |
1334 | uint16_t handle_cnt; | |
1335 | uint16_t cnt; | |
73208dfd | 1336 | |
2afa19a9 | 1337 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1338 | |
e315cd28 | 1339 | if (!vha->flags.online) |
1da177e4 LT |
1340 | return; |
1341 | ||
e315cd28 AC |
1342 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1343 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1344 | |
e315cd28 AC |
1345 | rsp->ring_index++; |
1346 | if (rsp->ring_index == rsp->length) { | |
1347 | rsp->ring_index = 0; | |
1348 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1349 | } else { |
e315cd28 | 1350 | rsp->ring_ptr++; |
1da177e4 LT |
1351 | } |
1352 | ||
1353 | if (pkt->entry_status != 0) { | |
1354 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1355 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 1356 | |
73208dfd | 1357 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1358 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1359 | wmb(); | |
1360 | continue; | |
1361 | } | |
1362 | ||
1363 | switch (pkt->entry_type) { | |
1364 | case STATUS_TYPE: | |
73208dfd | 1365 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1366 | break; |
1367 | case STATUS_TYPE_21: | |
1368 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1369 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1370 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1371 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1372 | } | |
1373 | break; | |
1374 | case STATUS_TYPE_22: | |
1375 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1376 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1377 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1378 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1379 | } | |
1380 | break; | |
1381 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1382 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1383 | break; |
ac280b67 AV |
1384 | case MBX_IOCB_TYPE: |
1385 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1386 | (struct mbx_entry *)pkt); | |
3822263e | 1387 | break; |
9bc4f4fb HZ |
1388 | case CT_IOCB_TYPE: |
1389 | qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1390 | break; | |
1da177e4 LT |
1391 | default: |
1392 | /* Type Not Supported. */ | |
1393 | DEBUG4(printk(KERN_WARNING | |
1394 | "scsi(%ld): Received unknown response pkt type %x " | |
1395 | "entry status=%x.\n", | |
e315cd28 | 1396 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
1397 | break; |
1398 | } | |
1399 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1400 | wmb(); | |
1401 | } | |
1402 | ||
1403 | /* Adjust ring index */ | |
e315cd28 | 1404 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1405 | } |
1406 | ||
4733fcb1 | 1407 | static inline void |
5544213b AV |
1408 | |
1409 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, | |
1410 | uint32_t sense_len, struct rsp_que *rsp) | |
4733fcb1 AV |
1411 | { |
1412 | struct scsi_cmnd *cp = sp->cmd; | |
1413 | ||
1414 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1415 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1416 | ||
4733fcb1 AV |
1417 | sp->request_sense_length = sense_len; |
1418 | sp->request_sense_ptr = cp->sense_buffer; | |
5544213b AV |
1419 | if (sp->request_sense_length > par_sense_len) |
1420 | sense_len = par_sense_len; | |
4733fcb1 AV |
1421 | |
1422 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1423 | ||
1424 | sp->request_sense_ptr += sense_len; | |
1425 | sp->request_sense_length -= sense_len; | |
1426 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1427 | rsp->status_srb = sp; |
4733fcb1 AV |
1428 | |
1429 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
09d1dc2a MI |
1430 | "cmd=%p\n", __func__, sp->fcport->vha->host_no, |
1431 | cp->device->channel, cp->device->id, cp->device->lun, cp)); | |
4733fcb1 | 1432 | if (sense_len) |
ddb9b126 | 1433 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1434 | } |
1435 | ||
bad75002 AE |
1436 | struct scsi_dif_tuple { |
1437 | __be16 guard; /* Checksum */ | |
1438 | __be16 app_tag; /* APPL identifer */ | |
1439 | __be32 ref_tag; /* Target LBA or indirect LBA */ | |
1440 | }; | |
1441 | ||
1442 | /* | |
1443 | * Checks the guard or meta-data for the type of error | |
1444 | * detected by the HBA. In case of errors, we set the | |
1445 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST | |
1446 | * to indicate to the kernel that the HBA detected error. | |
1447 | */ | |
1448 | static inline void | |
1449 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) | |
1450 | { | |
1451 | struct scsi_cmnd *cmd = sp->cmd; | |
1452 | struct scsi_dif_tuple *ep = | |
1453 | (struct scsi_dif_tuple *)&sts24->data[20]; | |
1454 | struct scsi_dif_tuple *ap = | |
1455 | (struct scsi_dif_tuple *)&sts24->data[12]; | |
1456 | uint32_t e_ref_tag, a_ref_tag; | |
1457 | uint16_t e_app_tag, a_app_tag; | |
1458 | uint16_t e_guard, a_guard; | |
1459 | ||
1460 | e_ref_tag = be32_to_cpu(ep->ref_tag); | |
1461 | a_ref_tag = be32_to_cpu(ap->ref_tag); | |
1462 | e_app_tag = be16_to_cpu(ep->app_tag); | |
1463 | a_app_tag = be16_to_cpu(ap->app_tag); | |
1464 | e_guard = be16_to_cpu(ep->guard); | |
1465 | a_guard = be16_to_cpu(ap->guard); | |
1466 | ||
1467 | DEBUG18(printk(KERN_DEBUG | |
1468 | "%s(): iocb(s) %p Returned STATUS\n", __func__, sts24)); | |
1469 | ||
1470 | DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref" | |
1471 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" | |
1472 | " tag=0x%x, act guard=0x%x, exp guard=0x%x\n", | |
1473 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, | |
1474 | a_app_tag, e_app_tag, a_guard, e_guard)); | |
1475 | ||
1476 | ||
1477 | /* check guard */ | |
1478 | if (e_guard != a_guard) { | |
1479 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1480 | 0x10, 0x1); | |
1481 | set_driver_byte(cmd, DRIVER_SENSE); | |
1482 | set_host_byte(cmd, DID_ABORT); | |
1483 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1484 | return; | |
1485 | } | |
1486 | ||
1487 | /* check appl tag */ | |
1488 | if (e_app_tag != a_app_tag) { | |
1489 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1490 | 0x10, 0x2); | |
1491 | set_driver_byte(cmd, DRIVER_SENSE); | |
1492 | set_host_byte(cmd, DID_ABORT); | |
1493 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1494 | return; | |
1495 | } | |
1496 | ||
1497 | /* check ref tag */ | |
1498 | if (e_ref_tag != a_ref_tag) { | |
1499 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, | |
1500 | 0x10, 0x3); | |
1501 | set_driver_byte(cmd, DRIVER_SENSE); | |
1502 | set_host_byte(cmd, DID_ABORT); | |
1503 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; | |
1504 | return; | |
1505 | } | |
1506 | } | |
1507 | ||
1da177e4 LT |
1508 | /** |
1509 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1510 | * @ha: SCSI driver HA context | |
1511 | * @pkt: Entry pointer | |
1512 | */ | |
1513 | static void | |
73208dfd | 1514 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1515 | { |
1da177e4 | 1516 | srb_t *sp; |
1da177e4 LT |
1517 | fc_port_t *fcport; |
1518 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1519 | sts_entry_t *sts; |
1520 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1521 | uint16_t comp_status; |
1522 | uint16_t scsi_status; | |
b7d2280c | 1523 | uint16_t ox_id; |
1da177e4 LT |
1524 | uint8_t lscsi_status; |
1525 | int32_t resid; | |
5544213b AV |
1526 | uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
1527 | fw_resid_len; | |
9a853f71 | 1528 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1529 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1530 | uint32_t handle; |
1531 | uint16_t que; | |
1532 | struct req_que *req; | |
b7d2280c | 1533 | int logit = 1; |
9a853f71 AV |
1534 | |
1535 | sts = (sts_entry_t *) pkt; | |
1536 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1537 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1538 | comp_status = le16_to_cpu(sts24->comp_status); |
1539 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1540 | } else { | |
1541 | comp_status = le16_to_cpu(sts->comp_status); | |
1542 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1543 | } | |
2afa19a9 AC |
1544 | handle = (uint32_t) LSW(sts->handle); |
1545 | que = MSW(sts->handle); | |
1546 | req = ha->req_q_map[que]; | |
a9083016 | 1547 | |
1da177e4 | 1548 | /* Fast path completion. */ |
9a853f71 | 1549 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1550 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1551 | |
1552 | return; | |
1553 | } | |
1554 | ||
1555 | /* Validate handle. */ | |
2afa19a9 AC |
1556 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1557 | sp = req->outstanding_cmds[handle]; | |
1558 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1559 | } else |
1560 | sp = NULL; | |
1561 | ||
1562 | if (sp == NULL) { | |
b7d2280c AV |
1563 | qla_printk(KERN_WARNING, ha, |
1564 | "scsi(%ld): Invalid status handle (0x%x).\n", vha->host_no, | |
1565 | sts->handle); | |
1da177e4 | 1566 | |
e315cd28 AC |
1567 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1568 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1569 | return; |
1570 | } | |
1571 | cp = sp->cmd; | |
1572 | if (cp == NULL) { | |
1da177e4 | 1573 | qla_printk(KERN_WARNING, ha, |
b7d2280c AV |
1574 | "scsi(%ld): Command already returned (0x%x/%p).\n", |
1575 | vha->host_no, sts->handle, sp); | |
1da177e4 LT |
1576 | |
1577 | return; | |
1578 | } | |
1579 | ||
9a853f71 | 1580 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1581 | |
bdf79621 | 1582 | fcport = sp->fcport; |
1da177e4 | 1583 | |
b7d2280c | 1584 | ox_id = 0; |
5544213b AV |
1585 | sense_len = par_sense_len = rsp_info_len = resid_len = |
1586 | fw_resid_len = 0; | |
e428924c | 1587 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1588 | if (scsi_status & SS_SENSE_LEN_VALID) |
1589 | sense_len = le32_to_cpu(sts24->sense_len); | |
1590 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1591 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1592 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1593 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1594 | if (comp_status == CS_DATA_UNDERRUN) | |
1595 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1596 | rsp_info = sts24->data; |
1597 | sense_data = sts24->data; | |
1598 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
b7d2280c | 1599 | ox_id = le16_to_cpu(sts24->ox_id); |
5544213b | 1600 | par_sense_len = sizeof(sts24->data); |
9a853f71 | 1601 | } else { |
0f00a206 LC |
1602 | if (scsi_status & SS_SENSE_LEN_VALID) |
1603 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1604 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1605 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1606 | resid_len = le32_to_cpu(sts->residual_length); |
1607 | rsp_info = sts->rsp_info; | |
1608 | sense_data = sts->req_sense_data; | |
5544213b | 1609 | par_sense_len = sizeof(sts->req_sense_data); |
9a853f71 AV |
1610 | } |
1611 | ||
1da177e4 LT |
1612 | /* Check for any FCP transport errors. */ |
1613 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1614 | /* Sense data lies beyond any FCP RESPONSE data. */ |
5544213b | 1615 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 | 1616 | sense_data += rsp_info_len; |
5544213b AV |
1617 | par_sense_len -= rsp_info_len; |
1618 | } | |
9a853f71 | 1619 | if (rsp_info_len > 3 && rsp_info[3]) { |
b7d2280c AV |
1620 | DEBUG2(qla_printk(KERN_INFO, ha, |
1621 | "scsi(%ld:%d:%d): FCP I/O protocol failure " | |
1622 | "(0x%x/0x%x).\n", vha->host_no, cp->device->id, | |
1623 | cp->device->lun, rsp_info_len, rsp_info[3])); | |
1da177e4 LT |
1624 | |
1625 | cp->result = DID_BUS_BUSY << 16; | |
b7d2280c | 1626 | goto out; |
1da177e4 LT |
1627 | } |
1628 | } | |
1629 | ||
3e8ce320 AV |
1630 | /* Check for overrun. */ |
1631 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1632 | scsi_status & SS_RESIDUAL_OVER) | |
1633 | comp_status = CS_DATA_OVERRUN; | |
1634 | ||
1da177e4 LT |
1635 | /* |
1636 | * Based on Host and scsi status generate status code for Linux | |
1637 | */ | |
1638 | switch (comp_status) { | |
1639 | case CS_COMPLETE: | |
df7baa50 | 1640 | case CS_QUEUE_FULL: |
1da177e4 LT |
1641 | if (scsi_status == 0) { |
1642 | cp->result = DID_OK << 16; | |
1643 | break; | |
1644 | } | |
1645 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1646 | resid = resid_len; |
385d70b4 | 1647 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1648 | |
1649 | if (!lscsi_status && | |
385d70b4 | 1650 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1651 | cp->underflow)) { |
1652 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1653 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1654 | "detected (0x%x of 0x%x bytes).\n", | |
1655 | vha->host_no, cp->device->id, | |
1656 | cp->device->lun, resid, scsi_bufflen(cp)); | |
0da69df1 AV |
1657 | |
1658 | cp->result = DID_ERROR << 16; | |
1659 | break; | |
1660 | } | |
1da177e4 | 1661 | } |
1da177e4 LT |
1662 | cp->result = DID_OK << 16 | lscsi_status; |
1663 | ||
df7baa50 | 1664 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1665 | DEBUG2(qla_printk(KERN_INFO, ha, |
1666 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1667 | vha->host_no, cp->device->id, cp->device->lun)); | |
df7baa50 AV |
1668 | break; |
1669 | } | |
b7d2280c | 1670 | logit = 0; |
1da177e4 LT |
1671 | if (lscsi_status != SS_CHECK_CONDITION) |
1672 | break; | |
1673 | ||
b80ca4f7 | 1674 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1675 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1676 | break; | |
1677 | ||
5544213b AV |
1678 | qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
1679 | rsp); | |
1da177e4 LT |
1680 | break; |
1681 | ||
1682 | case CS_DATA_UNDERRUN: | |
ed17c71b | 1683 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1684 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1685 | scsi_set_resid(cp, resid); | |
1686 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1687 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
b7d2280c AV |
1688 | DEBUG2(qla_printk(KERN_INFO, ha, |
1689 | "scsi(%ld:%d:%d) Dropped frame(s) detected " | |
1690 | "(0x%x of 0x%x bytes).\n", vha->host_no, | |
0f00a206 LC |
1691 | cp->device->id, cp->device->lun, resid, |
1692 | scsi_bufflen(cp))); | |
1693 | ||
1694 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1695 | break; | |
6acf8190 | 1696 | } |
ed17c71b | 1697 | |
0f00a206 LC |
1698 | if (!lscsi_status && |
1699 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1700 | cp->underflow)) { | |
1701 | qla_printk(KERN_INFO, ha, | |
b7d2280c AV |
1702 | "scsi(%ld:%d:%d): Mid-layer underflow " |
1703 | "detected (0x%x of 0x%x bytes).\n", | |
1704 | vha->host_no, cp->device->id, | |
0f00a206 | 1705 | cp->device->lun, resid, scsi_bufflen(cp)); |
e038a1be | 1706 | |
0f00a206 LC |
1707 | cp->result = DID_ERROR << 16; |
1708 | break; | |
1709 | } | |
0374f55e | 1710 | } else { |
b7d2280c AV |
1711 | DEBUG2(qla_printk(KERN_INFO, ha, |
1712 | "scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x " | |
1713 | "of 0x%x bytes).\n", vha->host_no, cp->device->id, | |
0f00a206 LC |
1714 | cp->device->lun, resid, scsi_bufflen(cp))); |
1715 | ||
0374f55e LC |
1716 | cp->result = DID_ERROR << 16 | lscsi_status; |
1717 | goto check_scsi_status; | |
1da177e4 LT |
1718 | } |
1719 | ||
0f00a206 | 1720 | cp->result = DID_OK << 16 | lscsi_status; |
b7d2280c | 1721 | logit = 0; |
0f00a206 | 1722 | |
0374f55e | 1723 | check_scsi_status: |
1da177e4 | 1724 | /* |
fa2a1ce5 | 1725 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1726 | * Status. |
1727 | */ | |
1728 | if (lscsi_status != 0) { | |
ffec28a3 | 1729 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
b7d2280c AV |
1730 | DEBUG2(qla_printk(KERN_INFO, ha, |
1731 | "scsi(%ld:%d:%d) QUEUE FULL detected.\n", | |
1732 | vha->host_no, cp->device->id, | |
1733 | cp->device->lun)); | |
1734 | logit = 1; | |
ffec28a3 AV |
1735 | break; |
1736 | } | |
1da177e4 LT |
1737 | if (lscsi_status != SS_CHECK_CONDITION) |
1738 | break; | |
1739 | ||
b80ca4f7 | 1740 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1741 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1742 | break; | |
1743 | ||
5544213b AV |
1744 | qla2x00_handle_sense(sp, sense_data, par_sense_len, |
1745 | sense_len, rsp); | |
1da177e4 LT |
1746 | } |
1747 | break; | |
1748 | ||
1da177e4 LT |
1749 | case CS_PORT_LOGGED_OUT: |
1750 | case CS_PORT_CONFIG_CHG: | |
1751 | case CS_PORT_BUSY: | |
1752 | case CS_INCOMPLETE: | |
1753 | case CS_PORT_UNAVAILABLE: | |
b7d2280c | 1754 | case CS_TIMEOUT: |
ff454b01 CD |
1755 | case CS_RESET: |
1756 | ||
056a4483 MC |
1757 | /* |
1758 | * We are going to have the fc class block the rport | |
1759 | * while we try to recover so instruct the mid layer | |
1760 | * to requeue until the class decides how to handle this. | |
1761 | */ | |
1762 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
b7d2280c AV |
1763 | |
1764 | if (comp_status == CS_TIMEOUT) { | |
1765 | if (IS_FWI2_CAPABLE(ha)) | |
1766 | break; | |
1767 | else if ((le16_to_cpu(sts->status_flags) & | |
1768 | SF_LOGOUT_SENT) == 0) | |
1769 | break; | |
1770 | } | |
1771 | ||
1772 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1773 | "scsi(%ld:%d:%d) Port down status: port-state=0x%x\n", | |
1774 | vha->host_no, cp->device->id, cp->device->lun, | |
1775 | atomic_read(&fcport->state))); | |
1776 | ||
a7a28504 | 1777 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1778 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1779 | break; |
1780 | ||
1da177e4 | 1781 | case CS_ABORTED: |
1da177e4 LT |
1782 | cp->result = DID_RESET << 16; |
1783 | break; | |
bad75002 AE |
1784 | |
1785 | case CS_DIF_ERROR: | |
1786 | qla2x00_handle_dif_error(sp, sts24); | |
1787 | break; | |
1da177e4 | 1788 | default: |
1da177e4 LT |
1789 | cp->result = DID_ERROR << 16; |
1790 | break; | |
1791 | } | |
1792 | ||
b7d2280c AV |
1793 | out: |
1794 | if (logit) | |
1795 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1796 | "scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) " | |
09d1dc2a | 1797 | "oxid=0x%x cdb=%02x%02x%02x len=0x%x " |
b7d2280c AV |
1798 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha->host_no, |
1799 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
09d1dc2a | 1800 | cp->result, ox_id, cp->cmnd[0], |
b7d2280c AV |
1801 | cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len, |
1802 | resid_len, fw_resid_len)); | |
1803 | ||
2afa19a9 | 1804 | if (rsp->status_srb == NULL) |
73208dfd | 1805 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1806 | } |
1807 | ||
1808 | /** | |
1809 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1810 | * @ha: SCSI driver HA context | |
1811 | * @pkt: Entry pointer | |
1812 | * | |
1813 | * Extended sense data. | |
1814 | */ | |
1815 | static void | |
2afa19a9 | 1816 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1817 | { |
1818 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1819 | struct qla_hw_data *ha = rsp->hw; |
1820 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1821 | struct scsi_cmnd *cp; |
1822 | ||
1823 | if (sp != NULL && sp->request_sense_length != 0) { | |
1824 | cp = sp->cmd; | |
1825 | if (cp == NULL) { | |
1826 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1827 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1828 | qla_printk(KERN_INFO, ha, |
1829 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1830 | sp); |
1da177e4 | 1831 | |
2afa19a9 | 1832 | rsp->status_srb = NULL; |
1da177e4 LT |
1833 | return; |
1834 | } | |
1835 | ||
1836 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1837 | sense_sz = sizeof(pkt->data); | |
1838 | } else { | |
1839 | sense_sz = sp->request_sense_length; | |
1840 | } | |
1841 | ||
1842 | /* Move sense data. */ | |
e428924c | 1843 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1844 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1845 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1846 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1847 | ||
1848 | sp->request_sense_ptr += sense_sz; | |
1849 | sp->request_sense_length -= sense_sz; | |
1850 | ||
1851 | /* Place command on done queue. */ | |
1852 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1853 | rsp->status_srb = NULL; |
73208dfd | 1854 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1855 | } |
1856 | } | |
1857 | } | |
1858 | ||
1859 | /** | |
1860 | * qla2x00_error_entry() - Process an error entry. | |
1861 | * @ha: SCSI driver HA context | |
1862 | * @pkt: Entry pointer | |
1863 | */ | |
1864 | static void | |
73208dfd | 1865 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1866 | { |
1867 | srb_t *sp; | |
e315cd28 | 1868 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1869 | uint32_t handle = LSW(pkt->handle); |
1870 | uint16_t que = MSW(pkt->handle); | |
1871 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1872 | #if defined(QL_DEBUG_LEVEL_2) |
1873 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1874 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1875 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1876 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1877 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1878 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1879 | "%s: Invalid Entry Parameter\n", __func__); |
1880 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1881 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1882 | else if (pkt->entry_status & RF_BUSY) | |
1883 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1884 | else | |
1885 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1886 | #endif | |
1887 | ||
1888 | /* Validate handle. */ | |
2afa19a9 AC |
1889 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1890 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1891 | else |
1892 | sp = NULL; | |
1893 | ||
1894 | if (sp) { | |
1895 | /* Free outstanding command slot. */ | |
2afa19a9 | 1896 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1897 | |
1da177e4 LT |
1898 | /* Bad payload or header */ |
1899 | if (pkt->entry_status & | |
1900 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1901 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1902 | sp->cmd->result = DID_ERROR << 16; | |
1903 | } else if (pkt->entry_status & RF_BUSY) { | |
1904 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1905 | } else { | |
1906 | sp->cmd->result = DID_ERROR << 16; | |
1907 | } | |
73208dfd | 1908 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1909 | |
9a853f71 AV |
1910 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1911 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1912 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1913 | vha->host_no)); |
1da177e4 LT |
1914 | qla_printk(KERN_WARNING, ha, |
1915 | "Error entry - invalid handle\n"); | |
1916 | ||
e315cd28 AC |
1917 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1918 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1919 | } |
1920 | } | |
1921 | ||
9a853f71 AV |
1922 | /** |
1923 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1924 | * @ha: SCSI driver HA context | |
1925 | * @mb0: Mailbox0 register | |
1926 | */ | |
1927 | static void | |
e315cd28 | 1928 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1929 | { |
1930 | uint16_t cnt; | |
1931 | uint16_t __iomem *wptr; | |
e315cd28 | 1932 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1933 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1934 | ||
1935 | /* Load return mailbox registers. */ | |
1936 | ha->flags.mbox_int = 1; | |
1937 | ha->mailbox_out[0] = mb0; | |
1938 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1939 | ||
1940 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1941 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1942 | wptr++; | |
1943 | } | |
1944 | ||
1945 | if (ha->mcp) { | |
1946 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1947 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1948 | } else { |
1949 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1950 | __func__, vha->host_no)); |
9a853f71 AV |
1951 | } |
1952 | } | |
1953 | ||
1954 | /** | |
1955 | * qla24xx_process_response_queue() - Process response queue entries. | |
1956 | * @ha: SCSI driver HA context | |
1957 | */ | |
2afa19a9 AC |
1958 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1959 | struct rsp_que *rsp) | |
9a853f71 | 1960 | { |
9a853f71 | 1961 | struct sts_entry_24xx *pkt; |
a9083016 | 1962 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 1963 | |
e315cd28 | 1964 | if (!vha->flags.online) |
9a853f71 AV |
1965 | return; |
1966 | ||
e315cd28 AC |
1967 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1968 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1969 | |
e315cd28 AC |
1970 | rsp->ring_index++; |
1971 | if (rsp->ring_index == rsp->length) { | |
1972 | rsp->ring_index = 0; | |
1973 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1974 | } else { |
e315cd28 | 1975 | rsp->ring_ptr++; |
9a853f71 AV |
1976 | } |
1977 | ||
1978 | if (pkt->entry_status != 0) { | |
1979 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1980 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1981 | |
73208dfd | 1982 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1983 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1984 | wmb(); | |
1985 | continue; | |
1986 | } | |
1987 | ||
1988 | switch (pkt->entry_type) { | |
1989 | case STATUS_TYPE: | |
73208dfd | 1990 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1991 | break; |
1992 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1993 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1994 | break; |
2c3dfe3f | 1995 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1996 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1997 | (struct vp_rpt_id_entry_24xx *)pkt); |
1998 | break; | |
ac280b67 AV |
1999 | case LOGINOUT_PORT_IOCB_TYPE: |
2000 | qla24xx_logio_entry(vha, rsp->req, | |
2001 | (struct logio_entry_24xx *)pkt); | |
2002 | break; | |
3822263e MI |
2003 | case TSK_MGMT_IOCB_TYPE: |
2004 | qla24xx_tm_iocb_entry(vha, rsp->req, | |
2005 | (struct tsk_mgmt_entry *)pkt); | |
2006 | break; | |
9a069e19 GM |
2007 | case CT_IOCB_TYPE: |
2008 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
2009 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
2010 | break; | |
2011 | case ELS_IOCB_TYPE: | |
2012 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
2013 | break; | |
9a853f71 AV |
2014 | default: |
2015 | /* Type Not Supported. */ | |
2016 | DEBUG4(printk(KERN_WARNING | |
2017 | "scsi(%ld): Received unknown response pkt type %x " | |
2018 | "entry status=%x.\n", | |
e315cd28 | 2019 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
2020 | break; |
2021 | } | |
2022 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
2023 | wmb(); | |
2024 | } | |
2025 | ||
2026 | /* Adjust ring index */ | |
a9083016 GM |
2027 | if (IS_QLA82XX(ha)) { |
2028 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
2029 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
2030 | } else | |
2031 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
2032 | } |
2033 | ||
05236a05 | 2034 | static void |
e315cd28 | 2035 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
2036 | { |
2037 | int rval; | |
2038 | uint32_t cnt; | |
e315cd28 | 2039 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
2040 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
2041 | ||
3a03eb79 | 2042 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
2043 | return; |
2044 | ||
2045 | rval = QLA_SUCCESS; | |
2046 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
2047 | RD_REG_DWORD(®->iobase_addr); | |
2048 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2049 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2050 | rval == QLA_SUCCESS; cnt--) { | |
2051 | if (cnt) { | |
2052 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
2053 | udelay(10); | |
2054 | } else | |
2055 | rval = QLA_FUNCTION_TIMEOUT; | |
2056 | } | |
2057 | if (rval == QLA_SUCCESS) | |
2058 | goto next_test; | |
2059 | ||
2060 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2061 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
2062 | rval == QLA_SUCCESS; cnt--) { | |
2063 | if (cnt) { | |
2064 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
2065 | udelay(10); | |
2066 | } else | |
2067 | rval = QLA_FUNCTION_TIMEOUT; | |
2068 | } | |
2069 | if (rval != QLA_SUCCESS) | |
2070 | goto done; | |
2071 | ||
2072 | next_test: | |
2073 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
2074 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
2075 | ||
2076 | done: | |
2077 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
2078 | RD_REG_DWORD(®->iobase_window); | |
2079 | } | |
2080 | ||
9a853f71 AV |
2081 | /** |
2082 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2083 | * @irq: | |
2084 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
2085 | * |
2086 | * Called by system whenever the host adapter generates an interrupt. | |
2087 | * | |
2088 | * Returns handled flag. | |
2089 | */ | |
2090 | irqreturn_t | |
7d12e780 | 2091 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 2092 | { |
e315cd28 AC |
2093 | scsi_qla_host_t *vha; |
2094 | struct qla_hw_data *ha; | |
9a853f71 AV |
2095 | struct device_reg_24xx __iomem *reg; |
2096 | int status; | |
9a853f71 AV |
2097 | unsigned long iter; |
2098 | uint32_t stat; | |
2099 | uint32_t hccr; | |
2100 | uint16_t mb[4]; | |
e315cd28 | 2101 | struct rsp_que *rsp; |
43fac4d9 | 2102 | unsigned long flags; |
9a853f71 | 2103 | |
e315cd28 AC |
2104 | rsp = (struct rsp_que *) dev_id; |
2105 | if (!rsp) { | |
9a853f71 | 2106 | printk(KERN_INFO |
e315cd28 | 2107 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
2108 | return IRQ_NONE; |
2109 | } | |
2110 | ||
e315cd28 | 2111 | ha = rsp->hw; |
9a853f71 AV |
2112 | reg = &ha->iobase->isp24; |
2113 | status = 0; | |
2114 | ||
85880801 AV |
2115 | if (unlikely(pci_channel_offline(ha->pdev))) |
2116 | return IRQ_HANDLED; | |
2117 | ||
43fac4d9 | 2118 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2119 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
2120 | for (iter = 50; iter--; ) { |
2121 | stat = RD_REG_DWORD(®->host_status); | |
2122 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2123 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2124 | break; |
2125 | ||
9a853f71 AV |
2126 | hccr = RD_REG_DWORD(®->hccr); |
2127 | ||
2128 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2129 | "Dumping firmware!\n", hccr); | |
05236a05 | 2130 | |
e315cd28 | 2131 | qla2xxx_check_risc_status(vha); |
05236a05 | 2132 | |
e315cd28 AC |
2133 | ha->isp_ops->fw_dump(vha, 1); |
2134 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
2135 | break; |
2136 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2137 | break; | |
2138 | ||
2139 | switch (stat & 0xff) { | |
2140 | case 0x1: | |
2141 | case 0x2: | |
2142 | case 0x10: | |
2143 | case 0x11: | |
e315cd28 | 2144 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
2145 | status |= MBX_INTERRUPT; |
2146 | ||
2147 | break; | |
2148 | case 0x12: | |
2149 | mb[0] = MSW(stat); | |
2150 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2151 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2152 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2153 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
2154 | break; |
2155 | case 0x13: | |
73208dfd | 2156 | case 0x14: |
2afa19a9 | 2157 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2158 | break; |
2159 | default: | |
2160 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2161 | "(%d).\n", | |
e315cd28 | 2162 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
2163 | break; |
2164 | } | |
2165 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2166 | RD_REG_DWORD_RELAXED(®->hccr); | |
2167 | } | |
43fac4d9 | 2168 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2169 | |
2170 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2171 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2172 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2173 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2174 | } |
2175 | ||
2176 | return IRQ_HANDLED; | |
2177 | } | |
2178 | ||
a8488abe AV |
2179 | static irqreturn_t |
2180 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2181 | { | |
e315cd28 AC |
2182 | struct qla_hw_data *ha; |
2183 | struct rsp_que *rsp; | |
a8488abe | 2184 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2185 | struct scsi_qla_host *vha; |
0f19bc68 | 2186 | unsigned long flags; |
a8488abe | 2187 | |
e315cd28 AC |
2188 | rsp = (struct rsp_que *) dev_id; |
2189 | if (!rsp) { | |
2190 | printk(KERN_INFO | |
2191 | "%s(): NULL response queue pointer\n", __func__); | |
2192 | return IRQ_NONE; | |
2193 | } | |
2194 | ha = rsp->hw; | |
a8488abe AV |
2195 | reg = &ha->iobase->isp24; |
2196 | ||
0f19bc68 | 2197 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2198 | |
a67093d4 | 2199 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2200 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2201 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2202 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2203 | RD_REG_DWORD_RELAXED(®->hccr); | |
2204 | } | |
0f19bc68 | 2205 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2206 | |
2207 | return IRQ_HANDLED; | |
2208 | } | |
2209 | ||
68ca949c AC |
2210 | static irqreturn_t |
2211 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2212 | { | |
2213 | struct qla_hw_data *ha; | |
2214 | struct rsp_que *rsp; | |
3155754a | 2215 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2216 | unsigned long flags; |
68ca949c AC |
2217 | |
2218 | rsp = (struct rsp_que *) dev_id; | |
2219 | if (!rsp) { | |
2220 | printk(KERN_INFO | |
2221 | "%s(): NULL response queue pointer\n", __func__); | |
2222 | return IRQ_NONE; | |
2223 | } | |
2224 | ha = rsp->hw; | |
2225 | ||
3155754a AC |
2226 | /* Clear the interrupt, if enabled, for this response queue */ |
2227 | if (rsp->options & ~BIT_6) { | |
2228 | reg = &ha->iobase->isp24; | |
0f19bc68 | 2229 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2230 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2231 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2232 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2233 | } |
68ca949c AC |
2234 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2235 | ||
2236 | return IRQ_HANDLED; | |
2237 | } | |
2238 | ||
a8488abe AV |
2239 | static irqreturn_t |
2240 | qla24xx_msix_default(int irq, void *dev_id) | |
2241 | { | |
e315cd28 AC |
2242 | scsi_qla_host_t *vha; |
2243 | struct qla_hw_data *ha; | |
2244 | struct rsp_que *rsp; | |
a8488abe AV |
2245 | struct device_reg_24xx __iomem *reg; |
2246 | int status; | |
a8488abe AV |
2247 | uint32_t stat; |
2248 | uint32_t hccr; | |
2249 | uint16_t mb[4]; | |
0f19bc68 | 2250 | unsigned long flags; |
a8488abe | 2251 | |
e315cd28 AC |
2252 | rsp = (struct rsp_que *) dev_id; |
2253 | if (!rsp) { | |
2254 | DEBUG(printk( | |
2255 | "%s(): NULL response queue pointer\n", __func__)); | |
2256 | return IRQ_NONE; | |
2257 | } | |
2258 | ha = rsp->hw; | |
a8488abe AV |
2259 | reg = &ha->iobase->isp24; |
2260 | status = 0; | |
2261 | ||
0f19bc68 | 2262 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2263 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2264 | do { |
a8488abe AV |
2265 | stat = RD_REG_DWORD(®->host_status); |
2266 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2267 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2268 | break; |
2269 | ||
a8488abe AV |
2270 | hccr = RD_REG_DWORD(®->hccr); |
2271 | ||
2272 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2273 | "Dumping firmware!\n", hccr); | |
05236a05 | 2274 | |
e315cd28 | 2275 | qla2xxx_check_risc_status(vha); |
05236a05 | 2276 | |
e315cd28 AC |
2277 | ha->isp_ops->fw_dump(vha, 1); |
2278 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2279 | break; |
2280 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2281 | break; | |
2282 | ||
2283 | switch (stat & 0xff) { | |
2284 | case 0x1: | |
2285 | case 0x2: | |
2286 | case 0x10: | |
2287 | case 0x11: | |
e315cd28 | 2288 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2289 | status |= MBX_INTERRUPT; |
2290 | ||
2291 | break; | |
2292 | case 0x12: | |
2293 | mb[0] = MSW(stat); | |
2294 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2295 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2296 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2297 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2298 | break; |
2299 | case 0x13: | |
73208dfd | 2300 | case 0x14: |
2afa19a9 | 2301 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2302 | break; |
2303 | default: | |
2304 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2305 | "(%d).\n", | |
e315cd28 | 2306 | vha->host_no, stat & 0xff)); |
a8488abe AV |
2307 | break; |
2308 | } | |
2309 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2310 | } while (0); |
0f19bc68 | 2311 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2312 | |
2313 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2314 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2315 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2316 | complete(&ha->mbx_intr_comp); |
a8488abe | 2317 | } |
a8488abe AV |
2318 | return IRQ_HANDLED; |
2319 | } | |
2320 | ||
2321 | /* Interrupt handling helpers. */ | |
2322 | ||
2323 | struct qla_init_msix_entry { | |
a8488abe | 2324 | const char *name; |
476834c2 | 2325 | irq_handler_t handler; |
a8488abe AV |
2326 | }; |
2327 | ||
68ca949c | 2328 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2329 | { "qla2xxx (default)", qla24xx_msix_default }, |
2330 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2331 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2332 | }; |
2333 | ||
a9083016 GM |
2334 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2335 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2336 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2337 | }; | |
2338 | ||
a8488abe | 2339 | static void |
e315cd28 | 2340 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2341 | { |
2342 | int i; | |
2343 | struct qla_msix_entry *qentry; | |
2344 | ||
73208dfd AC |
2345 | for (i = 0; i < ha->msix_count; i++) { |
2346 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2347 | if (qentry->have_irq) |
73208dfd | 2348 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2349 | } |
2350 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2351 | kfree(ha->msix_entries); |
2352 | ha->msix_entries = NULL; | |
2353 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
2354 | } |
2355 | ||
2356 | static int | |
73208dfd | 2357 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2358 | { |
ad038fa8 | 2359 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2360 | int i, ret; |
73208dfd | 2361 | struct msix_entry *entries; |
a8488abe | 2362 | struct qla_msix_entry *qentry; |
73208dfd AC |
2363 | |
2364 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2365 | GFP_KERNEL); |
73208dfd AC |
2366 | if (!entries) |
2367 | return -ENOMEM; | |
a8488abe | 2368 | |
73208dfd AC |
2369 | for (i = 0; i < ha->msix_count; i++) |
2370 | entries[i].entry = i; | |
a8488abe | 2371 | |
73208dfd | 2372 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2373 | if (ret) { |
ad038fa8 LC |
2374 | if (ret < MIN_MSIX_COUNT) |
2375 | goto msix_failed; | |
2376 | ||
a8488abe | 2377 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
2378 | "MSI-X: Failed to enable support -- %d/%d\n" |
2379 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
2380 | ha->msix_count = ret; | |
2381 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2382 | if (ret) { | |
ad038fa8 | 2383 | msix_failed: |
73208dfd AC |
2384 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
2385 | " support, giving up -- %d/%d\n", | |
2386 | ha->msix_count, ret); | |
2387 | goto msix_out; | |
2388 | } | |
2afa19a9 | 2389 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2390 | } |
2391 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2392 | ha->msix_count, GFP_KERNEL); | |
2393 | if (!ha->msix_entries) { | |
2394 | ret = -ENOMEM; | |
a8488abe AV |
2395 | goto msix_out; |
2396 | } | |
2397 | ha->flags.msix_enabled = 1; | |
2398 | ||
73208dfd AC |
2399 | for (i = 0; i < ha->msix_count; i++) { |
2400 | qentry = &ha->msix_entries[i]; | |
2401 | qentry->vector = entries[i].vector; | |
2402 | qentry->entry = entries[i].entry; | |
a8488abe | 2403 | qentry->have_irq = 0; |
73208dfd | 2404 | qentry->rsp = NULL; |
a8488abe AV |
2405 | } |
2406 | ||
2afa19a9 AC |
2407 | /* Enable MSI-X vectors for the base queue */ |
2408 | for (i = 0; i < 2; i++) { | |
2409 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2410 | if (IS_QLA82XX(ha)) { |
2411 | ret = request_irq(qentry->vector, | |
2412 | qla82xx_msix_entries[i].handler, | |
2413 | 0, qla82xx_msix_entries[i].name, rsp); | |
2414 | } else { | |
2415 | ret = request_irq(qentry->vector, | |
2416 | msix_entries[i].handler, | |
2417 | 0, msix_entries[i].name, rsp); | |
2418 | } | |
2afa19a9 AC |
2419 | if (ret) { |
2420 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
2421 | "MSI-X: Unable to register handler -- %x/%d.\n", |
2422 | qentry->vector, ret); | |
2afa19a9 AC |
2423 | qla24xx_disable_msix(ha); |
2424 | ha->mqenable = 0; | |
2425 | goto msix_out; | |
2426 | } | |
2427 | qentry->have_irq = 1; | |
2428 | qentry->rsp = rsp; | |
2429 | rsp->msix = qentry; | |
73208dfd | 2430 | } |
73208dfd AC |
2431 | |
2432 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2433 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2434 | ha->mqenable = 1; |
73208dfd | 2435 | |
a8488abe | 2436 | msix_out: |
73208dfd | 2437 | kfree(entries); |
a8488abe AV |
2438 | return ret; |
2439 | } | |
2440 | ||
2441 | int | |
73208dfd | 2442 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2443 | { |
2444 | int ret; | |
963b0fdd | 2445 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
2446 | |
2447 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2448 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2449 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2450 | goto skip_msi; |
2451 | ||
2452 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2453 | (ha->pdev->subsystem_device == 0x7040 || | |
2454 | ha->pdev->subsystem_device == 0x7041 || | |
2455 | ha->pdev->subsystem_device == 0x1705)) { | |
2456 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2457 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n", | |
2458 | ha->pdev->subsystem_vendor, | |
2459 | ha->pdev->subsystem_device)); | |
2460 | goto skip_msi; | |
2461 | } | |
a8488abe | 2462 | |
e315cd28 AC |
2463 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2464 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2465 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2466 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2467 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2468 | goto skip_msix; |
2469 | } | |
2470 | ||
73208dfd | 2471 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2472 | if (!ret) { |
2473 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2474 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2475 | ha->fw_attributes)); | |
963b0fdd | 2476 | goto clear_risc_ints; |
a8488abe AV |
2477 | } |
2478 | qla_printk(KERN_WARNING, ha, | |
a9083016 | 2479 | "MSI-X: Falling back-to MSI mode -- %d.\n", ret); |
a8488abe | 2480 | skip_msix: |
cbedb601 | 2481 | |
3a03eb79 AV |
2482 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2483 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2484 | goto skip_msi; |
2485 | ||
2486 | ret = pci_enable_msi(ha->pdev); | |
2487 | if (!ret) { | |
2488 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2489 | ha->flags.msi_enabled = 1; | |
a9083016 GM |
2490 | } else |
2491 | qla_printk(KERN_WARNING, ha, | |
2492 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2493 | skip_msi: |
2494 | ||
fd34f556 | 2495 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
7992abfc MH |
2496 | ha->flags.msi_enabled ? 0 : IRQF_SHARED, |
2497 | QLA2XXX_DRIVER_NAME, rsp); | |
963b0fdd | 2498 | if (ret) { |
a8488abe AV |
2499 | qla_printk(KERN_WARNING, ha, |
2500 | "Failed to reserve interrupt %d already in use.\n", | |
2501 | ha->pdev->irq); | |
963b0fdd AV |
2502 | goto fail; |
2503 | } | |
7992abfc | 2504 | |
963b0fdd AV |
2505 | clear_risc_ints: |
2506 | ||
3a03eb79 AV |
2507 | /* |
2508 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2509 | * Timing deltas during MSI-X/INTa transitions? | |
2510 | */ | |
a9083016 | 2511 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2512 | goto fail; |
c6952483 | 2513 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2514 | if (IS_FWI2_CAPABLE(ha)) { |
2515 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2516 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2517 | } else { | |
2518 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2519 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2520 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2521 | } |
c6952483 | 2522 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2523 | |
963b0fdd | 2524 | fail: |
a8488abe AV |
2525 | return ret; |
2526 | } | |
2527 | ||
2528 | void | |
e315cd28 | 2529 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2530 | { |
e315cd28 | 2531 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2532 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2533 | |
2534 | if (ha->flags.msix_enabled) | |
2535 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2536 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2537 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2538 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2539 | } else |
2540 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2541 | } |
e315cd28 | 2542 | |
73208dfd AC |
2543 | |
2544 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2545 | { | |
2546 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2547 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2548 | struct qla_msix_entry *msix = rsp->msix; |
2549 | int ret; | |
2550 | ||
2551 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2552 | if (ret) { | |
2553 | qla_printk(KERN_WARNING, ha, | |
2554 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2555 | msix->vector, ret); | |
2556 | return ret; | |
2557 | } | |
2558 | msix->have_irq = 1; | |
2559 | msix->rsp = rsp; | |
2560 | return ret; | |
2561 | } |