Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
5a0e3ad6 | 10 | #include <linux/slab.h> |
df7baa50 | 11 | #include <scsi/scsi_tcq.h> |
9a069e19 | 12 | #include <scsi/scsi_bsg_fc.h> |
df7baa50 | 13 | |
1da177e4 | 14 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
15 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
16 | struct req_que *, uint32_t); | |
17 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
2afa19a9 | 18 | static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
73208dfd AC |
19 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
20 | sts_entry_t *); | |
9a853f71 | 21 | |
1da177e4 LT |
22 | /** |
23 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
24 | * @irq: | |
25 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
26 | * |
27 | * Called by system whenever the host adapter generates an interrupt. | |
28 | * | |
29 | * Returns handled flag. | |
30 | */ | |
31 | irqreturn_t | |
7d12e780 | 32 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 33 | { |
e315cd28 AC |
34 | scsi_qla_host_t *vha; |
35 | struct qla_hw_data *ha; | |
3d71644c | 36 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 37 | int status; |
1da177e4 | 38 | unsigned long iter; |
14e660e6 | 39 | uint16_t hccr; |
9a853f71 | 40 | uint16_t mb[4]; |
e315cd28 | 41 | struct rsp_que *rsp; |
43fac4d9 | 42 | unsigned long flags; |
1da177e4 | 43 | |
e315cd28 AC |
44 | rsp = (struct rsp_que *) dev_id; |
45 | if (!rsp) { | |
1da177e4 | 46 | printk(KERN_INFO |
e315cd28 | 47 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
48 | return (IRQ_NONE); |
49 | } | |
50 | ||
e315cd28 | 51 | ha = rsp->hw; |
3d71644c | 52 | reg = &ha->iobase->isp; |
1da177e4 LT |
53 | status = 0; |
54 | ||
43fac4d9 | 55 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 56 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 57 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
58 | hccr = RD_REG_WORD(®->hccr); |
59 | if (hccr & HCCR_RISC_PAUSE) { | |
60 | if (pci_channel_offline(ha->pdev)) | |
61 | break; | |
62 | ||
63 | /* | |
64 | * Issue a "HARD" reset in order for the RISC interrupt | |
65 | * bit to be cleared. Schedule a big hammmer to get | |
66 | * out of the RISC PAUSED state. | |
67 | */ | |
68 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
69 | RD_REG_WORD(®->hccr); | |
70 | ||
e315cd28 AC |
71 | ha->isp_ops->fw_dump(vha, 1); |
72 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
73 | break; |
74 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
75 | break; |
76 | ||
77 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
78 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
79 | RD_REG_WORD(®->hccr); | |
80 | ||
81 | /* Get mailbox data. */ | |
9a853f71 AV |
82 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
83 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 84 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 85 | status |= MBX_INTERRUPT; |
9a853f71 AV |
86 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
87 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
88 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
89 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 90 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
91 | } else { |
92 | /*EMPTY*/ | |
93 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 94 | "interrupt type (%d).\n", |
e315cd28 | 95 | vha->host_no, mb[0])); |
1da177e4 LT |
96 | } |
97 | /* Release mailbox registers. */ | |
98 | WRT_REG_WORD(®->semaphore, 0); | |
99 | RD_REG_WORD(®->semaphore); | |
100 | } else { | |
73208dfd | 101 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
102 | |
103 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
104 | RD_REG_WORD(®->hccr); | |
105 | } | |
106 | } | |
43fac4d9 | 107 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 108 | |
1da177e4 LT |
109 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
110 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 111 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 112 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
113 | } |
114 | ||
1da177e4 LT |
115 | return (IRQ_HANDLED); |
116 | } | |
117 | ||
118 | /** | |
119 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
120 | * @irq: | |
121 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
122 | * |
123 | * Called by system whenever the host adapter generates an interrupt. | |
124 | * | |
125 | * Returns handled flag. | |
126 | */ | |
127 | irqreturn_t | |
7d12e780 | 128 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 129 | { |
e315cd28 | 130 | scsi_qla_host_t *vha; |
3d71644c | 131 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 132 | int status; |
1da177e4 LT |
133 | unsigned long iter; |
134 | uint32_t stat; | |
1da177e4 | 135 | uint16_t hccr; |
9a853f71 | 136 | uint16_t mb[4]; |
e315cd28 AC |
137 | struct rsp_que *rsp; |
138 | struct qla_hw_data *ha; | |
43fac4d9 | 139 | unsigned long flags; |
1da177e4 | 140 | |
e315cd28 AC |
141 | rsp = (struct rsp_que *) dev_id; |
142 | if (!rsp) { | |
1da177e4 | 143 | printk(KERN_INFO |
e315cd28 | 144 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
145 | return (IRQ_NONE); |
146 | } | |
147 | ||
e315cd28 | 148 | ha = rsp->hw; |
3d71644c | 149 | reg = &ha->iobase->isp; |
1da177e4 LT |
150 | status = 0; |
151 | ||
43fac4d9 | 152 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 153 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 LT |
154 | for (iter = 50; iter--; ) { |
155 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
156 | if (stat & HSR_RISC_PAUSED) { | |
85880801 | 157 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
158 | break; |
159 | ||
1da177e4 LT |
160 | hccr = RD_REG_WORD(®->hccr); |
161 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
162 | qla_printk(KERN_INFO, ha, "Parity error -- " |
163 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 164 | else |
07f31805 AV |
165 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
166 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
167 | |
168 | /* | |
169 | * Issue a "HARD" reset in order for the RISC | |
170 | * interrupt bit to be cleared. Schedule a big | |
171 | * hammmer to get out of the RISC PAUSED state. | |
172 | */ | |
173 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
174 | RD_REG_WORD(®->hccr); | |
07f31805 | 175 | |
e315cd28 AC |
176 | ha->isp_ops->fw_dump(vha, 1); |
177 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
178 | break; |
179 | } else if ((stat & HSR_RISC_INT) == 0) | |
180 | break; | |
181 | ||
1da177e4 | 182 | switch (stat & 0xff) { |
1da177e4 LT |
183 | case 0x1: |
184 | case 0x2: | |
185 | case 0x10: | |
186 | case 0x11: | |
e315cd28 | 187 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
188 | status |= MBX_INTERRUPT; |
189 | ||
190 | /* Release mailbox registers. */ | |
191 | WRT_REG_WORD(®->semaphore, 0); | |
192 | break; | |
193 | case 0x12: | |
9a853f71 AV |
194 | mb[0] = MSW(stat); |
195 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
196 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
197 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 198 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
199 | break; |
200 | case 0x13: | |
73208dfd | 201 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
202 | break; |
203 | case 0x15: | |
9a853f71 AV |
204 | mb[0] = MBA_CMPLT_1_16BIT; |
205 | mb[1] = MSW(stat); | |
73208dfd | 206 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
207 | break; |
208 | case 0x16: | |
9a853f71 AV |
209 | mb[0] = MBA_SCSI_COMPLETION; |
210 | mb[1] = MSW(stat); | |
211 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 212 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
213 | break; |
214 | default: | |
215 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 216 | "(%d).\n", |
e315cd28 | 217 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
218 | break; |
219 | } | |
220 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
221 | RD_REG_WORD_RELAXED(®->hccr); | |
222 | } | |
43fac4d9 | 223 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 | 224 | |
1da177e4 LT |
225 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
226 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 227 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 228 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
229 | } |
230 | ||
1da177e4 LT |
231 | return (IRQ_HANDLED); |
232 | } | |
233 | ||
234 | /** | |
235 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
236 | * @ha: SCSI driver HA context | |
237 | * @mb0: Mailbox0 register | |
238 | */ | |
239 | static void | |
e315cd28 | 240 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
241 | { |
242 | uint16_t cnt; | |
243 | uint16_t __iomem *wptr; | |
e315cd28 | 244 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 245 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
246 | |
247 | /* Load return mailbox registers. */ | |
248 | ha->flags.mbox_int = 1; | |
249 | ha->mailbox_out[0] = mb0; | |
250 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
251 | ||
252 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 253 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
254 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
255 | if (cnt == 4 || cnt == 5) | |
256 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
257 | else | |
258 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 259 | |
1da177e4 LT |
260 | wptr++; |
261 | } | |
262 | ||
263 | if (ha->mcp) { | |
264 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 265 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
266 | } else { |
267 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 268 | __func__, vha->host_no)); |
1da177e4 LT |
269 | } |
270 | } | |
271 | ||
8a659571 AV |
272 | static void |
273 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
274 | { | |
275 | static char *event[] = | |
276 | { "Complete", "Request Notification", "Time Extension" }; | |
277 | int rval; | |
278 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
279 | uint16_t __iomem *wptr; | |
280 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
281 | ||
282 | /* Seed data -- mailbox1 -> mailbox7. */ | |
283 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
284 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
285 | mb[cnt] = RD_REG_WORD(wptr); | |
286 | ||
287 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
288 | "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, | |
289 | event[aen & 0xff], | |
290 | mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); | |
291 | ||
292 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
293 | timeout = (descr >> 8) & 0xf; | |
294 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
295 | return; | |
296 | ||
297 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
298 | "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); | |
299 | ||
300 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
301 | if (rval != QLA_SUCCESS) | |
302 | qla_printk(KERN_WARNING, vha->hw, | |
303 | "IDC failed to post ACK.\n"); | |
304 | } | |
305 | ||
1da177e4 LT |
306 | /** |
307 | * qla2x00_async_event() - Process aynchronous events. | |
308 | * @ha: SCSI driver HA context | |
9a853f71 | 309 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 310 | */ |
2c3dfe3f | 311 | void |
73208dfd | 312 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 313 | { |
9a853f71 | 314 | #define LS_UNKNOWN 2 |
3a03eb79 | 315 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 316 | char *link_speed; |
1da177e4 | 317 | uint16_t handle_cnt; |
bdab23da | 318 | uint16_t cnt, mbx; |
1da177e4 | 319 | uint32_t handles[5]; |
e315cd28 | 320 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 321 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
bdab23da | 322 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
1da177e4 LT |
323 | uint32_t rscn_entry, host_pid; |
324 | uint8_t rscn_queue_index; | |
4d4df193 | 325 | unsigned long flags; |
1da177e4 LT |
326 | |
327 | /* Setup to process RIO completion. */ | |
328 | handle_cnt = 0; | |
a9083016 | 329 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 | 330 | goto skip_rio; |
1da177e4 LT |
331 | switch (mb[0]) { |
332 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 333 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
334 | handle_cnt = 1; |
335 | break; | |
336 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 337 | handles[0] = mb[1]; |
1da177e4 LT |
338 | handle_cnt = 1; |
339 | mb[0] = MBA_SCSI_COMPLETION; | |
340 | break; | |
341 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
342 | handles[0] = mb[1]; |
343 | handles[1] = mb[2]; | |
1da177e4 LT |
344 | handle_cnt = 2; |
345 | mb[0] = MBA_SCSI_COMPLETION; | |
346 | break; | |
347 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
348 | handles[0] = mb[1]; |
349 | handles[1] = mb[2]; | |
350 | handles[2] = mb[3]; | |
1da177e4 LT |
351 | handle_cnt = 3; |
352 | mb[0] = MBA_SCSI_COMPLETION; | |
353 | break; | |
354 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
355 | handles[0] = mb[1]; |
356 | handles[1] = mb[2]; | |
357 | handles[2] = mb[3]; | |
1da177e4 LT |
358 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
359 | handle_cnt = 4; | |
360 | mb[0] = MBA_SCSI_COMPLETION; | |
361 | break; | |
362 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
363 | handles[0] = mb[1]; |
364 | handles[1] = mb[2]; | |
365 | handles[2] = mb[3]; | |
1da177e4 LT |
366 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
367 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
368 | handle_cnt = 5; | |
369 | mb[0] = MBA_SCSI_COMPLETION; | |
370 | break; | |
371 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 372 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
373 | handles[1] = le32_to_cpu( |
374 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
375 | RD_MAILBOX_REG(ha, reg, 6)); | |
376 | handle_cnt = 2; | |
377 | mb[0] = MBA_SCSI_COMPLETION; | |
378 | break; | |
379 | default: | |
380 | break; | |
381 | } | |
3a03eb79 | 382 | skip_rio: |
1da177e4 LT |
383 | switch (mb[0]) { |
384 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 385 | if (!vha->flags.online) |
1da177e4 LT |
386 | break; |
387 | ||
388 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
389 | qla2x00_process_completed_request(vha, rsp->req, |
390 | handles[cnt]); | |
1da177e4 LT |
391 | break; |
392 | ||
393 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
394 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
395 | vha->host_no)); | |
1da177e4 | 396 | |
e315cd28 | 397 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
398 | break; |
399 | ||
400 | case MBA_SYSTEM_ERR: /* System Error */ | |
bdab23da | 401 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
1da177e4 | 402 | qla_printk(KERN_INFO, ha, |
bdab23da AV |
403 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
404 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); | |
1da177e4 | 405 | |
e315cd28 | 406 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 407 | |
e428924c | 408 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
409 | if (mb[1] == 0 && mb[2] == 0) { |
410 | qla_printk(KERN_ERR, ha, | |
411 | "Unrecoverable Hardware Error: adapter " | |
412 | "marked OFFLINE!\n"); | |
e315cd28 | 413 | vha->flags.online = 0; |
9a853f71 | 414 | } else |
e315cd28 | 415 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 416 | } else if (mb[1] == 0) { |
1da177e4 LT |
417 | qla_printk(KERN_INFO, ha, |
418 | "Unrecoverable Hardware Error: adapter marked " | |
419 | "OFFLINE!\n"); | |
e315cd28 | 420 | vha->flags.online = 0; |
1da177e4 | 421 | } else |
e315cd28 | 422 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
423 | break; |
424 | ||
425 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
bdab23da AV |
426 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n", |
427 | vha->host_no, mb[1])); | |
428 | qla_printk(KERN_WARNING, ha, | |
429 | "ISP Request Transfer Error (%x).\n", mb[1]); | |
1da177e4 | 430 | |
e315cd28 | 431 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
432 | break; |
433 | ||
434 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
435 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 436 | vha->host_no)); |
1da177e4 LT |
437 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
438 | ||
e315cd28 | 439 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
440 | break; |
441 | ||
442 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
443 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 444 | vha->host_no)); |
1da177e4 LT |
445 | break; |
446 | ||
447 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 448 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 449 | mb[1])); |
cc3ef7bc | 450 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 451 | |
e315cd28 AC |
452 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
453 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
454 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
455 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
456 | } |
457 | ||
e315cd28 AC |
458 | if (vha->vp_idx) { |
459 | atomic_set(&vha->vp_state, VP_FAILED); | |
460 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
461 | } |
462 | ||
e315cd28 AC |
463 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
464 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 465 | |
e315cd28 AC |
466 | vha->flags.management_server_logged_in = 0; |
467 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
468 | break; |
469 | ||
470 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
471 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
472 | link_speed = link_speeds[0]; | |
d8b45213 | 473 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 474 | } else { |
9a853f71 | 475 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
476 | if (mb[1] < 5) |
477 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
478 | else if (mb[1] == 0x13) |
479 | link_speed = link_speeds[5]; | |
1da177e4 LT |
480 | ha->link_data_rate = mb[1]; |
481 | } | |
482 | ||
483 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 484 | vha->host_no, link_speed)); |
1da177e4 LT |
485 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
486 | link_speed); | |
487 | ||
e315cd28 AC |
488 | vha->flags.management_server_logged_in = 0; |
489 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
490 | break; |
491 | ||
492 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
bdab23da | 493 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
4d4df193 | 494 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
bdab23da AV |
495 | "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3], |
496 | mbx)); | |
497 | qla_printk(KERN_INFO, ha, | |
498 | "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], | |
499 | mbx); | |
1da177e4 | 500 | |
e315cd28 AC |
501 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
502 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
503 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
504 | vha->device_flags |= DFLG_NO_CABLE; | |
505 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
506 | } |
507 | ||
e315cd28 AC |
508 | if (vha->vp_idx) { |
509 | atomic_set(&vha->vp_state, VP_FAILED); | |
510 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
511 | } |
512 | ||
e315cd28 | 513 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 514 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 515 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
516 | break; |
517 | ||
518 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 519 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 520 | vha->host_no, mb[1])); |
1da177e4 | 521 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 522 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 523 | |
e315cd28 AC |
524 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
525 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
526 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
527 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
528 | } |
529 | ||
e315cd28 AC |
530 | if (vha->vp_idx) { |
531 | atomic_set(&vha->vp_state, VP_FAILED); | |
532 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
533 | } |
534 | ||
e315cd28 | 535 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
536 | |
537 | ha->operating_mode = LOOP; | |
e315cd28 AC |
538 | vha->flags.management_server_logged_in = 0; |
539 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
540 | break; |
541 | ||
3a03eb79 | 542 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
543 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
544 | if (IS_QLA2100(ha)) | |
545 | break; | |
546 | ||
a9083016 | 547 | if (IS_QLA8XXX_TYPE(ha)) |
3a03eb79 AV |
548 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " |
549 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
550 | else | |
551 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
552 | "received.\n", vha->host_no)); | |
1da177e4 LT |
553 | |
554 | /* | |
555 | * Until there's a transition from loop down to loop up, treat | |
556 | * this as loop down only. | |
557 | */ | |
e315cd28 AC |
558 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
559 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
560 | if (!atomic_read(&vha->loop_down_timer)) | |
561 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 562 | LOOP_DOWN_TIME); |
e315cd28 | 563 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
564 | } |
565 | ||
e315cd28 AC |
566 | if (vha->vp_idx) { |
567 | atomic_set(&vha->vp_state, VP_FAILED); | |
568 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
569 | } |
570 | ||
e315cd28 AC |
571 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
572 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
573 | ||
574 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
575 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
576 | |
577 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 578 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
579 | break; |
580 | ||
581 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
582 | if (IS_QLA2100(ha)) | |
583 | break; | |
584 | ||
1da177e4 LT |
585 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
586 | "received.\n", | |
e315cd28 | 587 | vha->host_no)); |
1da177e4 LT |
588 | qla_printk(KERN_INFO, ha, |
589 | "Configuration change detected: value=%x.\n", mb[1]); | |
590 | ||
e315cd28 AC |
591 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
592 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
593 | if (!atomic_read(&vha->loop_down_timer)) | |
594 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 595 | LOOP_DOWN_TIME); |
e315cd28 | 596 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
597 | } |
598 | ||
e315cd28 AC |
599 | if (vha->vp_idx) { |
600 | atomic_set(&vha->vp_state, VP_FAILED); | |
601 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
602 | } |
603 | ||
e315cd28 AC |
604 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
605 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
606 | break; |
607 | ||
608 | case MBA_PORT_UPDATE: /* Port database update */ | |
55903b9d SV |
609 | /* |
610 | * Handle only global and vn-port update events | |
611 | * | |
612 | * Relevant inputs: | |
613 | * mb[1] = N_Port handle of changed port | |
614 | * OR 0xffff for global event | |
615 | * mb[2] = New login state | |
616 | * 7 = Port logged out | |
617 | * mb[3] = LSB is vp_idx, 0xff = all vps | |
618 | * | |
619 | * Skip processing if: | |
620 | * Event is global, vp_idx is NOT all vps, | |
621 | * vp_idx does not match | |
622 | * Event is not global, vp_idx does not match | |
623 | */ | |
12cec63e AV |
624 | if (IS_QLA2XXX_MIDTYPE(ha) && |
625 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || | |
626 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) | |
627 | break; | |
73208dfd | 628 | |
9764ff88 AV |
629 | /* Global event -- port logout or port unavailable. */ |
630 | if (mb[1] == 0xffff && mb[2] == 0x7) { | |
631 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
632 | vha->host_no)); | |
633 | DEBUG(printk(KERN_INFO | |
634 | "scsi(%ld): Port unavailable %04x %04x %04x.\n", | |
635 | vha->host_no, mb[1], mb[2], mb[3])); | |
636 | ||
637 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
638 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
639 | atomic_set(&vha->loop_down_timer, | |
640 | LOOP_DOWN_TIME); | |
641 | vha->device_flags |= DFLG_NO_CABLE; | |
642 | qla2x00_mark_all_devices_lost(vha, 1); | |
643 | } | |
644 | ||
645 | if (vha->vp_idx) { | |
646 | atomic_set(&vha->vp_state, VP_FAILED); | |
647 | fc_vport_set_state(vha->fc_vport, | |
648 | FC_VPORT_FAILED); | |
faadc5e7 | 649 | qla2x00_mark_all_devices_lost(vha, 1); |
9764ff88 AV |
650 | } |
651 | ||
652 | vha->flags.management_server_logged_in = 0; | |
653 | ha->link_data_rate = PORT_SPEED_UNKNOWN; | |
654 | break; | |
655 | } | |
656 | ||
1da177e4 | 657 | /* |
cc3ef7bc | 658 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
659 | * event etc. earlier indicating loop is down) then process |
660 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
661 | */ | |
e315cd28 AC |
662 | atomic_set(&vha->loop_down_timer, 0); |
663 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
664 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 665 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 666 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 667 | mb[2], mb[3])); |
1da177e4 LT |
668 | break; |
669 | } | |
670 | ||
671 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 672 | vha->host_no)); |
1da177e4 | 673 | DEBUG(printk(KERN_INFO |
9a853f71 | 674 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 675 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
676 | |
677 | /* | |
678 | * Mark all devices as missing so we will login again. | |
679 | */ | |
e315cd28 | 680 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 681 | |
e315cd28 | 682 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 683 | |
e315cd28 | 684 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 685 | |
e315cd28 AC |
686 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
687 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
688 | break; |
689 | ||
690 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 691 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 692 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
693 | break; |
694 | /* Only handle SCNs for our Vport index. */ | |
0d6e61bc | 695 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 696 | break; |
0d6e61bc | 697 | |
1da177e4 | 698 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 699 | vha->host_no)); |
1da177e4 | 700 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 701 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 702 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 703 | |
59d72d87 | 704 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
705 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
706 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
707 | if (rscn_entry == host_pid) { |
708 | DEBUG(printk(KERN_INFO | |
709 | "scsi(%ld): Ignoring RSCN update to local host " | |
710 | "port ID (%06x)\n", | |
e315cd28 | 711 | vha->host_no, host_pid)); |
1da177e4 LT |
712 | break; |
713 | } | |
714 | ||
59d72d87 RA |
715 | /* Ignore reserved bits from RSCN-payload. */ |
716 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 717 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
718 | if (rscn_queue_index == MAX_RSCN_COUNT) |
719 | rscn_queue_index = 0; | |
e315cd28 AC |
720 | if (rscn_queue_index != vha->rscn_out_ptr) { |
721 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
722 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 723 | } else { |
e315cd28 | 724 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
725 | } |
726 | ||
e315cd28 AC |
727 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
728 | atomic_set(&vha->loop_down_timer, 0); | |
729 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 730 | |
e315cd28 AC |
731 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
732 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
733 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
734 | break; |
735 | ||
736 | /* case MBA_RIO_RESPONSE: */ | |
737 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 738 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 739 | vha->host_no)); |
1da177e4 | 740 | |
e428924c | 741 | if (IS_FWI2_CAPABLE(ha)) |
2afa19a9 | 742 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 743 | else |
73208dfd | 744 | qla2x00_process_response_queue(rsp); |
1da177e4 | 745 | break; |
9a853f71 AV |
746 | |
747 | case MBA_DISCARD_RND_FRAME: | |
748 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 749 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 750 | break; |
45ebeb56 AV |
751 | |
752 | case MBA_TRACE_NOTIFICATION: | |
753 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 754 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 755 | break; |
4d4df193 HK |
756 | |
757 | case MBA_ISP84XX_ALERT: | |
758 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 759 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
760 | |
761 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
762 | switch (mb[1]) { | |
763 | case A84_PANIC_RECOVERY: | |
764 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
765 | "%04x %04x\n", mb[2], mb[3]); | |
766 | break; | |
767 | case A84_OP_LOGIN_COMPLETE: | |
768 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
769 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
770 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
771 | break; | |
772 | case A84_DIAG_LOGIN_COMPLETE: | |
773 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
774 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
775 | "diagnostic firmware version %x\n", | |
776 | ha->cs84xx->diag_fw_version)); | |
777 | break; | |
778 | case A84_GOLD_LOGIN_COMPLETE: | |
779 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
780 | ha->cs84xx->fw_update = 1; | |
781 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
782 | "firmware version %x\n", | |
783 | ha->cs84xx->gold_fw_version)); | |
784 | break; | |
785 | default: | |
786 | qla_printk(KERN_ERR, ha, | |
787 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
788 | mb[1], mb[2], mb[3]); | |
789 | } | |
790 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
791 | break; | |
3a03eb79 AV |
792 | case MBA_DCBX_START: |
793 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
794 | vha->host_no, mb[1], mb[2], mb[3])); | |
795 | break; | |
796 | case MBA_DCBX_PARAM_UPDATE: | |
797 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
798 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
799 | break; | |
800 | case MBA_FCF_CONF_ERR: | |
801 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
802 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
803 | break; | |
804 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 805 | case MBA_IDC_NOTIFY: |
3a03eb79 | 806 | case MBA_IDC_TIME_EXT: |
8a659571 | 807 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 808 | break; |
1da177e4 | 809 | } |
2c3dfe3f | 810 | |
e315cd28 | 811 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 812 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
813 | } |
814 | ||
815 | /** | |
816 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
817 | * @ha: SCSI driver HA context | |
818 | * @index: SRB index | |
819 | */ | |
820 | static void | |
73208dfd AC |
821 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
822 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
823 | { |
824 | srb_t *sp; | |
e315cd28 | 825 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
826 | |
827 | /* Validate handle. */ | |
828 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
829 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 830 | vha->host_no, index)); |
1da177e4 LT |
831 | qla_printk(KERN_WARNING, ha, |
832 | "Invalid SCSI completion handle %d.\n", index); | |
833 | ||
e315cd28 | 834 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
835 | return; |
836 | } | |
837 | ||
e315cd28 | 838 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
839 | if (sp) { |
840 | /* Free outstanding command slot. */ | |
e315cd28 | 841 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 842 | |
1da177e4 LT |
843 | /* Save ISP completion status */ |
844 | sp->cmd->result = DID_OK << 16; | |
73208dfd | 845 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 846 | } else { |
2afa19a9 | 847 | DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" |
a9083016 | 848 | " handle(0x%x)\n", vha->host_no, req->id, index)); |
1da177e4 LT |
849 | qla_printk(KERN_WARNING, ha, |
850 | "Invalid ISP SCSI completion handle\n"); | |
851 | ||
e315cd28 | 852 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
853 | } |
854 | } | |
855 | ||
ac280b67 AV |
856 | static srb_t * |
857 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, | |
858 | struct req_que *req, void *iocb) | |
859 | { | |
860 | struct qla_hw_data *ha = vha->hw; | |
861 | sts_entry_t *pkt = iocb; | |
862 | srb_t *sp = NULL; | |
863 | uint16_t index; | |
864 | ||
865 | index = LSW(pkt->handle); | |
866 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
867 | qla_printk(KERN_WARNING, ha, | |
868 | "%s: Invalid completion handle (%x).\n", func, index); | |
869 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
870 | goto done; | |
871 | } | |
872 | sp = req->outstanding_cmds[index]; | |
873 | if (!sp) { | |
874 | qla_printk(KERN_WARNING, ha, | |
875 | "%s: Invalid completion handle (%x) -- timed-out.\n", func, | |
876 | index); | |
877 | return sp; | |
878 | } | |
879 | if (sp->handle != index) { | |
880 | qla_printk(KERN_WARNING, ha, | |
881 | "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, | |
882 | index); | |
883 | return NULL; | |
884 | } | |
9a069e19 | 885 | |
ac280b67 | 886 | req->outstanding_cmds[index] = NULL; |
9a069e19 | 887 | |
ac280b67 AV |
888 | done: |
889 | return sp; | |
890 | } | |
891 | ||
892 | static void | |
893 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, | |
894 | struct mbx_entry *mbx) | |
895 | { | |
896 | const char func[] = "MBX-IOCB"; | |
897 | const char *type; | |
898 | struct qla_hw_data *ha = vha->hw; | |
899 | fc_port_t *fcport; | |
900 | srb_t *sp; | |
901 | struct srb_logio *lio; | |
902 | uint16_t data[2]; | |
903 | ||
904 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); | |
905 | if (!sp) | |
906 | return; | |
907 | ||
908 | type = NULL; | |
909 | lio = sp->ctx; | |
910 | switch (lio->ctx.type) { | |
911 | case SRB_LOGIN_CMD: | |
912 | type = "login"; | |
913 | break; | |
914 | case SRB_LOGOUT_CMD: | |
915 | type = "logout"; | |
916 | break; | |
917 | default: | |
918 | qla_printk(KERN_WARNING, ha, | |
919 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
920 | lio->ctx.type); | |
921 | return; | |
922 | } | |
923 | ||
924 | del_timer(&lio->ctx.timer); | |
925 | fcport = sp->fcport; | |
926 | ||
927 | data[0] = data[1] = 0; | |
928 | if (mbx->entry_status) { | |
929 | DEBUG2(printk(KERN_WARNING | |
930 | "scsi(%ld:%x): Async-%s error entry - entry-status=%x " | |
931 | "status=%x state-flag=%x status-flags=%x.\n", | |
932 | fcport->vha->host_no, sp->handle, type, | |
933 | mbx->entry_status, le16_to_cpu(mbx->status), | |
934 | le16_to_cpu(mbx->state_flags), | |
935 | le16_to_cpu(mbx->status_flags))); | |
936 | DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx))); | |
937 | ||
938 | data[0] = MBS_COMMAND_ERROR; | |
939 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
940 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
941 | goto done_post_logio_done_work; | |
942 | } | |
943 | ||
944 | if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { | |
945 | DEBUG2(printk(KERN_DEBUG | |
946 | "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n", | |
947 | fcport->vha->host_no, sp->handle, type, | |
948 | le16_to_cpu(mbx->mb1))); | |
949 | ||
950 | data[0] = MBS_COMMAND_COMPLETE; | |
951 | if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1) | |
8474f3a0 | 952 | fcport->flags |= FCF_FCP2_DEVICE; |
ac280b67 AV |
953 | |
954 | goto done_post_logio_done_work; | |
955 | } | |
956 | ||
957 | data[0] = le16_to_cpu(mbx->mb0); | |
958 | switch (data[0]) { | |
959 | case MBS_PORT_ID_USED: | |
960 | data[1] = le16_to_cpu(mbx->mb1); | |
961 | break; | |
962 | case MBS_LOOP_ID_USED: | |
963 | break; | |
964 | default: | |
965 | data[0] = MBS_COMMAND_ERROR; | |
966 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
967 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
968 | break; | |
969 | } | |
970 | ||
971 | DEBUG2(printk(KERN_WARNING | |
972 | "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x " | |
973 | "mb6=%x mb7=%x.\n", | |
974 | fcport->vha->host_no, sp->handle, type, le16_to_cpu(mbx->status), | |
975 | le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), | |
976 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), | |
977 | le16_to_cpu(mbx->mb7))); | |
978 | ||
979 | done_post_logio_done_work: | |
980 | lio->ctx.type == SRB_LOGIN_CMD ? | |
981 | qla2x00_post_async_login_done_work(fcport->vha, fcport, data): | |
982 | qla2x00_post_async_logout_done_work(fcport->vha, fcport, data); | |
983 | ||
984 | lio->ctx.free(sp); | |
985 | } | |
986 | ||
9a069e19 GM |
987 | static void |
988 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, | |
989 | struct sts_entry_24xx *pkt, int iocb_type) | |
990 | { | |
991 | const char func[] = "ELS_CT_IOCB"; | |
992 | const char *type; | |
993 | struct qla_hw_data *ha = vha->hw; | |
994 | srb_t *sp; | |
995 | struct srb_bsg *sp_bsg; | |
996 | struct fc_bsg_job *bsg_job; | |
997 | uint16_t comp_status; | |
998 | uint32_t fw_status[3]; | |
999 | uint8_t* fw_sts_ptr; | |
1000 | ||
1001 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); | |
1002 | if (!sp) | |
1003 | return; | |
1004 | sp_bsg = (struct srb_bsg*)sp->ctx; | |
1005 | bsg_job = sp_bsg->bsg_job; | |
1006 | ||
1007 | type = NULL; | |
1008 | switch (sp_bsg->ctx.type) { | |
1009 | case SRB_ELS_CMD_RPT: | |
1010 | case SRB_ELS_CMD_HST: | |
1011 | type = "els"; | |
1012 | break; | |
1013 | case SRB_CT_CMD: | |
1014 | type = "ct pass-through"; | |
1015 | break; | |
1016 | default: | |
1017 | qla_printk(KERN_WARNING, ha, | |
1018 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
1019 | sp_bsg->ctx.type); | |
1020 | return; | |
1021 | } | |
1022 | ||
1023 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); | |
1024 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); | |
1025 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); | |
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) + sizeof(fw_status); | |
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(((struct els_sts_entry_24xx*)pkt)->total_byte_count); | |
1038 | ||
1039 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1040 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1041 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", | |
1042 | vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2], | |
1043 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count))); | |
1044 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1045 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1046 | } | |
1047 | else { | |
1048 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1049 | "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x " | |
1050 | "error subcode 1=0x%x error subcode 2=0x%x.\n", | |
1051 | vha->host_no, sp->handle, type, comp_status, | |
1052 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1), | |
1053 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2))); | |
1054 | bsg_job->reply->result = DID_ERROR << 16; | |
1055 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1056 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); | |
1057 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); | |
1058 | } | |
1059 | DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt))); | |
1060 | } | |
1061 | else { | |
1062 | bsg_job->reply->result = DID_OK << 16;; | |
1063 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; | |
1064 | bsg_job->reply_len = 0; | |
1065 | } | |
1066 | ||
1067 | dma_unmap_sg(&ha->pdev->dev, | |
1068 | bsg_job->request_payload.sg_list, | |
1069 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
1070 | dma_unmap_sg(&ha->pdev->dev, | |
1071 | bsg_job->reply_payload.sg_list, | |
1072 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
1073 | if ((sp_bsg->ctx.type == SRB_ELS_CMD_HST) || | |
1074 | (sp_bsg->ctx.type == SRB_CT_CMD)) | |
1075 | kfree(sp->fcport); | |
1076 | kfree(sp->ctx); | |
1077 | mempool_free(sp, ha->srb_mempool); | |
1078 | bsg_job->job_done(bsg_job); | |
1079 | } | |
1080 | ||
ac280b67 AV |
1081 | static void |
1082 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, | |
1083 | struct logio_entry_24xx *logio) | |
1084 | { | |
1085 | const char func[] = "LOGIO-IOCB"; | |
1086 | const char *type; | |
1087 | struct qla_hw_data *ha = vha->hw; | |
1088 | fc_port_t *fcport; | |
1089 | srb_t *sp; | |
1090 | struct srb_logio *lio; | |
1091 | uint16_t data[2]; | |
1092 | uint32_t iop[2]; | |
1093 | ||
1094 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); | |
1095 | if (!sp) | |
1096 | return; | |
1097 | ||
1098 | type = NULL; | |
1099 | lio = sp->ctx; | |
1100 | switch (lio->ctx.type) { | |
1101 | case SRB_LOGIN_CMD: | |
1102 | type = "login"; | |
1103 | break; | |
1104 | case SRB_LOGOUT_CMD: | |
1105 | type = "logout"; | |
1106 | break; | |
1107 | default: | |
1108 | qla_printk(KERN_WARNING, ha, | |
1109 | "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp, | |
1110 | lio->ctx.type); | |
1111 | return; | |
1112 | } | |
1113 | ||
1114 | del_timer(&lio->ctx.timer); | |
1115 | fcport = sp->fcport; | |
1116 | ||
1117 | data[0] = data[1] = 0; | |
1118 | if (logio->entry_status) { | |
1119 | DEBUG2(printk(KERN_WARNING | |
1120 | "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n", | |
1121 | fcport->vha->host_no, sp->handle, type, | |
1122 | logio->entry_status)); | |
1123 | DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio))); | |
1124 | ||
1125 | data[0] = MBS_COMMAND_ERROR; | |
1126 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
1127 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
1128 | goto done_post_logio_done_work; | |
1129 | } | |
1130 | ||
1131 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { | |
1132 | DEBUG2(printk(KERN_DEBUG | |
1133 | "scsi(%ld:%x): Async-%s complete - iop0=%x.\n", | |
1134 | fcport->vha->host_no, sp->handle, type, | |
1135 | le32_to_cpu(logio->io_parameter[0]))); | |
1136 | ||
1137 | data[0] = MBS_COMMAND_COMPLETE; | |
1138 | if (lio->ctx.type == SRB_LOGOUT_CMD) | |
1139 | goto done_post_logio_done_work; | |
1140 | ||
1141 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1142 | if (iop[0] & BIT_4) { | |
1143 | fcport->port_type = FCT_TARGET; | |
1144 | if (iop[0] & BIT_8) | |
8474f3a0 | 1145 | fcport->flags |= FCF_FCP2_DEVICE; |
ac280b67 AV |
1146 | } |
1147 | if (iop[0] & BIT_5) | |
1148 | fcport->port_type = FCT_INITIATOR; | |
1149 | if (logio->io_parameter[7] || logio->io_parameter[8]) | |
1150 | fcport->supported_classes |= FC_COS_CLASS2; | |
1151 | if (logio->io_parameter[9] || logio->io_parameter[10]) | |
1152 | fcport->supported_classes |= FC_COS_CLASS3; | |
1153 | ||
1154 | goto done_post_logio_done_work; | |
1155 | } | |
1156 | ||
1157 | iop[0] = le32_to_cpu(logio->io_parameter[0]); | |
1158 | iop[1] = le32_to_cpu(logio->io_parameter[1]); | |
1159 | switch (iop[0]) { | |
1160 | case LSC_SCODE_PORTID_USED: | |
1161 | data[0] = MBS_PORT_ID_USED; | |
1162 | data[1] = LSW(iop[1]); | |
1163 | break; | |
1164 | case LSC_SCODE_NPORT_USED: | |
1165 | data[0] = MBS_LOOP_ID_USED; | |
1166 | break; | |
1167 | case LSC_SCODE_CMD_FAILED: | |
1168 | if ((iop[1] & 0xff) == 0x05) { | |
1169 | data[0] = MBS_NOT_LOGGED_IN; | |
1170 | break; | |
1171 | } | |
1172 | /* Fall through. */ | |
1173 | default: | |
1174 | data[0] = MBS_COMMAND_ERROR; | |
1175 | data[1] = lio->flags & SRB_LOGIN_RETRIED ? | |
1176 | QLA_LOGIO_LOGIN_RETRIED: 0; | |
1177 | break; | |
1178 | } | |
1179 | ||
1180 | DEBUG2(printk(KERN_WARNING | |
1181 | "scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n", | |
1182 | fcport->vha->host_no, sp->handle, type, | |
1183 | le16_to_cpu(logio->comp_status), | |
1184 | le32_to_cpu(logio->io_parameter[0]), | |
1185 | le32_to_cpu(logio->io_parameter[1]))); | |
1186 | ||
1187 | done_post_logio_done_work: | |
1188 | lio->ctx.type == SRB_LOGIN_CMD ? | |
1189 | qla2x00_post_async_login_done_work(fcport->vha, fcport, data): | |
1190 | qla2x00_post_async_logout_done_work(fcport->vha, fcport, data); | |
1191 | ||
1192 | lio->ctx.free(sp); | |
1193 | } | |
1194 | ||
1da177e4 LT |
1195 | /** |
1196 | * qla2x00_process_response_queue() - Process response queue entries. | |
1197 | * @ha: SCSI driver HA context | |
1198 | */ | |
1199 | void | |
73208dfd | 1200 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 1201 | { |
73208dfd AC |
1202 | struct scsi_qla_host *vha; |
1203 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 1204 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1205 | sts_entry_t *pkt; |
1206 | uint16_t handle_cnt; | |
1207 | uint16_t cnt; | |
73208dfd | 1208 | |
2afa19a9 | 1209 | vha = pci_get_drvdata(ha->pdev); |
1da177e4 | 1210 | |
e315cd28 | 1211 | if (!vha->flags.online) |
1da177e4 LT |
1212 | return; |
1213 | ||
e315cd28 AC |
1214 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1215 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 1216 | |
e315cd28 AC |
1217 | rsp->ring_index++; |
1218 | if (rsp->ring_index == rsp->length) { | |
1219 | rsp->ring_index = 0; | |
1220 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 1221 | } else { |
e315cd28 | 1222 | rsp->ring_ptr++; |
1da177e4 LT |
1223 | } |
1224 | ||
1225 | if (pkt->entry_status != 0) { | |
1226 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1227 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 1228 | |
73208dfd | 1229 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
1230 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1231 | wmb(); | |
1232 | continue; | |
1233 | } | |
1234 | ||
1235 | switch (pkt->entry_type) { | |
1236 | case STATUS_TYPE: | |
73208dfd | 1237 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
1238 | break; |
1239 | case STATUS_TYPE_21: | |
1240 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
1241 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1242 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1243 | ((sts21_entry_t *)pkt)->handle[cnt]); |
1244 | } | |
1245 | break; | |
1246 | case STATUS_TYPE_22: | |
1247 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
1248 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 1249 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
1250 | ((sts22_entry_t *)pkt)->handle[cnt]); |
1251 | } | |
1252 | break; | |
1253 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1254 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
1da177e4 | 1255 | break; |
ac280b67 AV |
1256 | case MBX_IOCB_TYPE: |
1257 | qla2x00_mbx_iocb_entry(vha, rsp->req, | |
1258 | (struct mbx_entry *)pkt); | |
1da177e4 LT |
1259 | default: |
1260 | /* Type Not Supported. */ | |
1261 | DEBUG4(printk(KERN_WARNING | |
1262 | "scsi(%ld): Received unknown response pkt type %x " | |
1263 | "entry status=%x.\n", | |
e315cd28 | 1264 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
1265 | break; |
1266 | } | |
1267 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1268 | wmb(); | |
1269 | } | |
1270 | ||
1271 | /* Adjust ring index */ | |
e315cd28 | 1272 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
1273 | } |
1274 | ||
4733fcb1 | 1275 | static inline void |
2afa19a9 AC |
1276 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, |
1277 | struct rsp_que *rsp) | |
4733fcb1 AV |
1278 | { |
1279 | struct scsi_cmnd *cp = sp->cmd; | |
1280 | ||
1281 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
1282 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
1283 | ||
4733fcb1 AV |
1284 | sp->request_sense_length = sense_len; |
1285 | sp->request_sense_ptr = cp->sense_buffer; | |
1286 | if (sp->request_sense_length > 32) | |
1287 | sense_len = 32; | |
1288 | ||
1289 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
1290 | ||
1291 | sp->request_sense_ptr += sense_len; | |
1292 | sp->request_sense_length -= sense_len; | |
1293 | if (sp->request_sense_length != 0) | |
2afa19a9 | 1294 | rsp->status_srb = sp; |
4733fcb1 AV |
1295 | |
1296 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 1297 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
1298 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
1299 | cp->serial_number)); | |
4733fcb1 | 1300 | if (sense_len) |
ddb9b126 | 1301 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); |
4733fcb1 AV |
1302 | } |
1303 | ||
1da177e4 LT |
1304 | /** |
1305 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
1306 | * @ha: SCSI driver HA context | |
1307 | * @pkt: Entry pointer | |
1308 | */ | |
1309 | static void | |
73208dfd | 1310 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 1311 | { |
1da177e4 | 1312 | srb_t *sp; |
1da177e4 LT |
1313 | fc_port_t *fcport; |
1314 | struct scsi_cmnd *cp; | |
9a853f71 AV |
1315 | sts_entry_t *sts; |
1316 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
1317 | uint16_t comp_status; |
1318 | uint16_t scsi_status; | |
1319 | uint8_t lscsi_status; | |
1320 | int32_t resid; | |
ed17c71b | 1321 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 1322 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 1323 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1324 | uint32_t handle; |
1325 | uint16_t que; | |
1326 | struct req_que *req; | |
9a853f71 AV |
1327 | |
1328 | sts = (sts_entry_t *) pkt; | |
1329 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1330 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1331 | comp_status = le16_to_cpu(sts24->comp_status); |
1332 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1333 | } else { | |
1334 | comp_status = le16_to_cpu(sts->comp_status); | |
1335 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1336 | } | |
2afa19a9 AC |
1337 | handle = (uint32_t) LSW(sts->handle); |
1338 | que = MSW(sts->handle); | |
1339 | req = ha->req_q_map[que]; | |
a9083016 | 1340 | |
1da177e4 | 1341 | /* Fast path completion. */ |
9a853f71 | 1342 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
2afa19a9 | 1343 | qla2x00_process_completed_request(vha, req, handle); |
1da177e4 LT |
1344 | |
1345 | return; | |
1346 | } | |
1347 | ||
1348 | /* Validate handle. */ | |
2afa19a9 AC |
1349 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
1350 | sp = req->outstanding_cmds[handle]; | |
1351 | req->outstanding_cmds[handle] = NULL; | |
1da177e4 LT |
1352 | } else |
1353 | sp = NULL; | |
1354 | ||
1355 | if (sp == NULL) { | |
1356 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1357 | vha->host_no)); |
1da177e4 LT |
1358 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1359 | ||
e315cd28 AC |
1360 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1361 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1362 | return; |
1363 | } | |
1364 | cp = sp->cmd; | |
1365 | if (cp == NULL) { | |
1366 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
2afa19a9 | 1367 | "pkt->handle=%d sp=%p.\n", vha->host_no, handle, sp)); |
1da177e4 LT |
1368 | qla_printk(KERN_WARNING, ha, |
1369 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1370 | ||
1371 | return; | |
1372 | } | |
1373 | ||
9a853f71 | 1374 | lscsi_status = scsi_status & STATUS_MASK; |
1da177e4 | 1375 | |
bdf79621 | 1376 | fcport = sp->fcport; |
1da177e4 | 1377 | |
ed17c71b | 1378 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1379 | if (IS_FWI2_CAPABLE(ha)) { |
0f00a206 LC |
1380 | if (scsi_status & SS_SENSE_LEN_VALID) |
1381 | sense_len = le32_to_cpu(sts24->sense_len); | |
1382 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1383 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1384 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) | |
1385 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
1386 | if (comp_status == CS_DATA_UNDERRUN) | |
1387 | fw_resid_len = le32_to_cpu(sts24->residual_len); | |
9a853f71 AV |
1388 | rsp_info = sts24->data; |
1389 | sense_data = sts24->data; | |
1390 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1391 | } else { | |
0f00a206 LC |
1392 | if (scsi_status & SS_SENSE_LEN_VALID) |
1393 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1394 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) | |
1395 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
9a853f71 AV |
1396 | resid_len = le32_to_cpu(sts->residual_length); |
1397 | rsp_info = sts->rsp_info; | |
1398 | sense_data = sts->req_sense_data; | |
1399 | } | |
1400 | ||
1da177e4 LT |
1401 | /* Check for any FCP transport errors. */ |
1402 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1403 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1404 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1405 | sense_data += rsp_info_len; |
1406 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1407 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1408 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1409 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1410 | cp->device->channel, cp->device->id, |
1411 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1412 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1413 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1414 | |
1415 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1416 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1417 | return; |
1418 | } | |
1419 | } | |
1420 | ||
3e8ce320 AV |
1421 | /* Check for overrun. */ |
1422 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1423 | scsi_status & SS_RESIDUAL_OVER) | |
1424 | comp_status = CS_DATA_OVERRUN; | |
1425 | ||
1da177e4 LT |
1426 | /* |
1427 | * Based on Host and scsi status generate status code for Linux | |
1428 | */ | |
1429 | switch (comp_status) { | |
1430 | case CS_COMPLETE: | |
df7baa50 | 1431 | case CS_QUEUE_FULL: |
1da177e4 LT |
1432 | if (scsi_status == 0) { |
1433 | cp->result = DID_OK << 16; | |
1434 | break; | |
1435 | } | |
1436 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1437 | resid = resid_len; |
385d70b4 | 1438 | scsi_set_resid(cp, resid); |
0da69df1 AV |
1439 | |
1440 | if (!lscsi_status && | |
385d70b4 | 1441 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1442 | cp->underflow)) { |
1443 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1444 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1445 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1446 | "error status.\n", vha->host_no, |
385d70b4 FT |
1447 | cp->device->channel, cp->device->id, |
1448 | cp->device->lun, resid, | |
1449 | scsi_bufflen(cp)); | |
0da69df1 AV |
1450 | |
1451 | cp->result = DID_ERROR << 16; | |
1452 | break; | |
1453 | } | |
1da177e4 | 1454 | } |
1da177e4 LT |
1455 | cp->result = DID_OK << 16 | lscsi_status; |
1456 | ||
df7baa50 AV |
1457 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1458 | DEBUG2(printk(KERN_INFO | |
1459 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1460 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 | 1461 | scsi_status)); |
df7baa50 AV |
1462 | break; |
1463 | } | |
1da177e4 LT |
1464 | if (lscsi_status != SS_CHECK_CONDITION) |
1465 | break; | |
1466 | ||
b80ca4f7 | 1467 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1468 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1469 | break; | |
1470 | ||
2afa19a9 | 1471 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1472 | break; |
1473 | ||
1474 | case CS_DATA_UNDERRUN: | |
0f00a206 LC |
1475 | DEBUG2(printk(KERN_INFO |
1476 | "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x. " | |
1477 | "resid=0x%x fw_resid=0x%x cdb=0x%x os_underflow=0x%x\n", | |
1478 | vha->host_no, cp->device->id, cp->device->lun, comp_status, | |
1479 | scsi_status, resid_len, fw_resid_len, cp->cmnd[0], | |
1480 | cp->underflow)); | |
1481 | ||
ed17c71b | 1482 | /* Use F/W calculated residual length. */ |
0f00a206 LC |
1483 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
1484 | scsi_set_resid(cp, resid); | |
1485 | if (scsi_status & SS_RESIDUAL_UNDER) { | |
1486 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { | |
1487 | DEBUG2(printk( | |
1488 | "scsi(%ld:%d:%d:%d) Dropped frame(s) " | |
1489 | "detected (%x of %x bytes)...residual " | |
1490 | "length mismatch...retrying command.\n", | |
1491 | vha->host_no, cp->device->channel, | |
1492 | cp->device->id, cp->device->lun, resid, | |
1493 | scsi_bufflen(cp))); | |
1494 | ||
1495 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1496 | break; | |
6acf8190 | 1497 | } |
ed17c71b | 1498 | |
0f00a206 LC |
1499 | if (!lscsi_status && |
1500 | ((unsigned)(scsi_bufflen(cp) - resid) < | |
1501 | cp->underflow)) { | |
1502 | qla_printk(KERN_INFO, ha, | |
1503 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " | |
1504 | "detected (%x of %x bytes)...returning " | |
1505 | "error status.\n", vha->host_no, | |
1506 | cp->device->channel, cp->device->id, | |
1507 | cp->device->lun, resid, scsi_bufflen(cp)); | |
e038a1be | 1508 | |
0f00a206 LC |
1509 | cp->result = DID_ERROR << 16; |
1510 | break; | |
1511 | } | |
1512 | } else if (!lscsi_status) { | |
1513 | DEBUG2(printk( | |
1514 | "scsi(%ld:%d:%d:%d) Dropped frame(s) detected " | |
1515 | "(%x of %x bytes)...firmware reported underrun..." | |
1516 | "retrying command.\n", vha->host_no, | |
1517 | cp->device->channel, cp->device->id, | |
1518 | cp->device->lun, resid, scsi_bufflen(cp))); | |
1519 | ||
1520 | cp->result = DID_ERROR << 16; | |
1521 | break; | |
1da177e4 LT |
1522 | } |
1523 | ||
0f00a206 LC |
1524 | cp->result = DID_OK << 16 | lscsi_status; |
1525 | ||
1da177e4 | 1526 | /* |
fa2a1ce5 | 1527 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1528 | * Status. |
1529 | */ | |
1530 | if (lscsi_status != 0) { | |
ffec28a3 AV |
1531 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1532 | DEBUG2(printk(KERN_INFO | |
1533 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1534 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 | 1535 | scsi_status)); |
ffec28a3 AV |
1536 | break; |
1537 | } | |
1da177e4 LT |
1538 | if (lscsi_status != SS_CHECK_CONDITION) |
1539 | break; | |
1540 | ||
b80ca4f7 | 1541 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1542 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1543 | break; | |
1544 | ||
2afa19a9 | 1545 | qla2x00_handle_sense(sp, sense_data, sense_len, rsp); |
1da177e4 LT |
1546 | } |
1547 | break; | |
1548 | ||
1549 | case CS_DATA_OVERRUN: | |
1550 | DEBUG2(printk(KERN_INFO | |
1551 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1552 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1553 | scsi_status)); |
1da177e4 LT |
1554 | DEBUG2(printk(KERN_INFO |
1555 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1556 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1557 | cp->cmnd[4], cp->cmnd[5])); | |
1558 | DEBUG2(printk(KERN_INFO | |
1559 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1560 | "status!\n", | |
385d70b4 | 1561 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1562 | |
1563 | cp->result = DID_ERROR << 16; | |
1564 | break; | |
1565 | ||
1566 | case CS_PORT_LOGGED_OUT: | |
1567 | case CS_PORT_CONFIG_CHG: | |
1568 | case CS_PORT_BUSY: | |
1569 | case CS_INCOMPLETE: | |
1570 | case CS_PORT_UNAVAILABLE: | |
1571 | /* | |
1572 | * If the port is in Target Down state, return all IOs for this | |
1573 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1574 | * retry_queue. | |
1575 | */ | |
1da177e4 LT |
1576 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1577 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1578 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1579 | cp->serial_number, comp_status, |
1da177e4 LT |
1580 | atomic_read(&fcport->state))); |
1581 | ||
056a4483 MC |
1582 | /* |
1583 | * We are going to have the fc class block the rport | |
1584 | * while we try to recover so instruct the mid layer | |
1585 | * to requeue until the class decides how to handle this. | |
1586 | */ | |
1587 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1588 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1589 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1590 | break; |
1591 | ||
1592 | case CS_RESET: | |
1593 | DEBUG2(printk(KERN_INFO | |
1594 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1595 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1596 | |
f4f051eb | 1597 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1598 | break; |
1599 | ||
1600 | case CS_ABORTED: | |
fa2a1ce5 | 1601 | /* |
1da177e4 LT |
1602 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1603 | * aborted this request then abort otherwise it must be a | |
1604 | * reset. | |
1605 | */ | |
1606 | DEBUG2(printk(KERN_INFO | |
1607 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1608 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1609 | |
1610 | cp->result = DID_RESET << 16; | |
1611 | break; | |
1612 | ||
1613 | case CS_TIMEOUT: | |
056a4483 MC |
1614 | /* |
1615 | * We are going to have the fc class block the rport | |
1616 | * while we try to recover so instruct the mid layer | |
1617 | * to requeue until the class decides how to handle this. | |
1618 | */ | |
1619 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1620 | |
e428924c | 1621 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1622 | DEBUG2(printk(KERN_INFO |
1623 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1624 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1625 | cp->device->id, cp->device->lun, comp_status, |
1626 | scsi_status)); | |
1627 | break; | |
1628 | } | |
1da177e4 LT |
1629 | DEBUG2(printk(KERN_INFO |
1630 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1631 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1632 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1633 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1634 | |
9a853f71 AV |
1635 | /* Check to see if logout occurred. */ |
1636 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1637 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1638 | break; |
1639 | ||
1da177e4 LT |
1640 | default: |
1641 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1642 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1643 | qla_printk(KERN_INFO, ha, |
1644 | "Unknown status detected 0x%x-0x%x.\n", | |
1645 | comp_status, scsi_status); | |
1646 | ||
1647 | cp->result = DID_ERROR << 16; | |
1648 | break; | |
1649 | } | |
1650 | ||
1651 | /* Place command on done queue. */ | |
2afa19a9 | 1652 | if (rsp->status_srb == NULL) |
73208dfd | 1653 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1654 | } |
1655 | ||
1656 | /** | |
1657 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1658 | * @ha: SCSI driver HA context | |
1659 | * @pkt: Entry pointer | |
1660 | * | |
1661 | * Extended sense data. | |
1662 | */ | |
1663 | static void | |
2afa19a9 | 1664 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
1da177e4 LT |
1665 | { |
1666 | uint8_t sense_sz = 0; | |
2afa19a9 AC |
1667 | struct qla_hw_data *ha = rsp->hw; |
1668 | srb_t *sp = rsp->status_srb; | |
1da177e4 LT |
1669 | struct scsi_cmnd *cp; |
1670 | ||
1671 | if (sp != NULL && sp->request_sense_length != 0) { | |
1672 | cp = sp->cmd; | |
1673 | if (cp == NULL) { | |
1674 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1675 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1676 | qla_printk(KERN_INFO, ha, |
1677 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1678 | sp); |
1da177e4 | 1679 | |
2afa19a9 | 1680 | rsp->status_srb = NULL; |
1da177e4 LT |
1681 | return; |
1682 | } | |
1683 | ||
1684 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1685 | sense_sz = sizeof(pkt->data); | |
1686 | } else { | |
1687 | sense_sz = sp->request_sense_length; | |
1688 | } | |
1689 | ||
1690 | /* Move sense data. */ | |
e428924c | 1691 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1692 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1693 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1694 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1695 | ||
1696 | sp->request_sense_ptr += sense_sz; | |
1697 | sp->request_sense_length -= sense_sz; | |
1698 | ||
1699 | /* Place command on done queue. */ | |
1700 | if (sp->request_sense_length == 0) { | |
2afa19a9 | 1701 | rsp->status_srb = NULL; |
73208dfd | 1702 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1703 | } |
1704 | } | |
1705 | } | |
1706 | ||
1707 | /** | |
1708 | * qla2x00_error_entry() - Process an error entry. | |
1709 | * @ha: SCSI driver HA context | |
1710 | * @pkt: Entry pointer | |
1711 | */ | |
1712 | static void | |
73208dfd | 1713 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1714 | { |
1715 | srb_t *sp; | |
e315cd28 | 1716 | struct qla_hw_data *ha = vha->hw; |
2afa19a9 AC |
1717 | uint32_t handle = LSW(pkt->handle); |
1718 | uint16_t que = MSW(pkt->handle); | |
1719 | struct req_que *req = ha->req_q_map[que]; | |
1da177e4 LT |
1720 | #if defined(QL_DEBUG_LEVEL_2) |
1721 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1722 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1723 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1724 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1725 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1726 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1727 | "%s: Invalid Entry Parameter\n", __func__); |
1728 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1729 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1730 | else if (pkt->entry_status & RF_BUSY) | |
1731 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1732 | else | |
1733 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1734 | #endif | |
1735 | ||
1736 | /* Validate handle. */ | |
2afa19a9 AC |
1737 | if (handle < MAX_OUTSTANDING_COMMANDS) |
1738 | sp = req->outstanding_cmds[handle]; | |
1da177e4 LT |
1739 | else |
1740 | sp = NULL; | |
1741 | ||
1742 | if (sp) { | |
1743 | /* Free outstanding command slot. */ | |
2afa19a9 | 1744 | req->outstanding_cmds[handle] = NULL; |
354d6b21 | 1745 | |
1da177e4 LT |
1746 | /* Bad payload or header */ |
1747 | if (pkt->entry_status & | |
1748 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1749 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1750 | sp->cmd->result = DID_ERROR << 16; | |
1751 | } else if (pkt->entry_status & RF_BUSY) { | |
1752 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1753 | } else { | |
1754 | sp->cmd->result = DID_ERROR << 16; | |
1755 | } | |
73208dfd | 1756 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1757 | |
9a853f71 AV |
1758 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1759 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1760 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1761 | vha->host_no)); |
1da177e4 LT |
1762 | qla_printk(KERN_WARNING, ha, |
1763 | "Error entry - invalid handle\n"); | |
1764 | ||
e315cd28 AC |
1765 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1766 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1767 | } |
1768 | } | |
1769 | ||
9a853f71 AV |
1770 | /** |
1771 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1772 | * @ha: SCSI driver HA context | |
1773 | * @mb0: Mailbox0 register | |
1774 | */ | |
1775 | static void | |
e315cd28 | 1776 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1777 | { |
1778 | uint16_t cnt; | |
1779 | uint16_t __iomem *wptr; | |
e315cd28 | 1780 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1781 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1782 | ||
1783 | /* Load return mailbox registers. */ | |
1784 | ha->flags.mbox_int = 1; | |
1785 | ha->mailbox_out[0] = mb0; | |
1786 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1787 | ||
1788 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1789 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1790 | wptr++; | |
1791 | } | |
1792 | ||
1793 | if (ha->mcp) { | |
1794 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1795 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1796 | } else { |
1797 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1798 | __func__, vha->host_no)); |
9a853f71 AV |
1799 | } |
1800 | } | |
1801 | ||
1802 | /** | |
1803 | * qla24xx_process_response_queue() - Process response queue entries. | |
1804 | * @ha: SCSI driver HA context | |
1805 | */ | |
2afa19a9 AC |
1806 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
1807 | struct rsp_que *rsp) | |
9a853f71 | 1808 | { |
9a853f71 | 1809 | struct sts_entry_24xx *pkt; |
a9083016 | 1810 | struct qla_hw_data *ha = vha->hw; |
9a853f71 | 1811 | |
e315cd28 | 1812 | if (!vha->flags.online) |
9a853f71 AV |
1813 | return; |
1814 | ||
e315cd28 AC |
1815 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1816 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1817 | |
e315cd28 AC |
1818 | rsp->ring_index++; |
1819 | if (rsp->ring_index == rsp->length) { | |
1820 | rsp->ring_index = 0; | |
1821 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1822 | } else { |
e315cd28 | 1823 | rsp->ring_ptr++; |
9a853f71 AV |
1824 | } |
1825 | ||
1826 | if (pkt->entry_status != 0) { | |
1827 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1828 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1829 | |
73208dfd | 1830 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1831 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1832 | wmb(); | |
1833 | continue; | |
1834 | } | |
1835 | ||
1836 | switch (pkt->entry_type) { | |
1837 | case STATUS_TYPE: | |
73208dfd | 1838 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1839 | break; |
1840 | case STATUS_CONT_TYPE: | |
2afa19a9 | 1841 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
9a853f71 | 1842 | break; |
2c3dfe3f | 1843 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1844 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1845 | (struct vp_rpt_id_entry_24xx *)pkt); |
1846 | break; | |
ac280b67 AV |
1847 | case LOGINOUT_PORT_IOCB_TYPE: |
1848 | qla24xx_logio_entry(vha, rsp->req, | |
1849 | (struct logio_entry_24xx *)pkt); | |
1850 | break; | |
9a069e19 GM |
1851 | case CT_IOCB_TYPE: |
1852 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); | |
1853 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); | |
1854 | break; | |
1855 | case ELS_IOCB_TYPE: | |
1856 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); | |
1857 | break; | |
9a853f71 AV |
1858 | default: |
1859 | /* Type Not Supported. */ | |
1860 | DEBUG4(printk(KERN_WARNING | |
1861 | "scsi(%ld): Received unknown response pkt type %x " | |
1862 | "entry status=%x.\n", | |
e315cd28 | 1863 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1864 | break; |
1865 | } | |
1866 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1867 | wmb(); | |
1868 | } | |
1869 | ||
1870 | /* Adjust ring index */ | |
a9083016 GM |
1871 | if (IS_QLA82XX(ha)) { |
1872 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
1873 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); | |
1874 | } else | |
1875 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); | |
9a853f71 AV |
1876 | } |
1877 | ||
05236a05 | 1878 | static void |
e315cd28 | 1879 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1880 | { |
1881 | int rval; | |
1882 | uint32_t cnt; | |
e315cd28 | 1883 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1884 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1885 | ||
3a03eb79 | 1886 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1887 | return; |
1888 | ||
1889 | rval = QLA_SUCCESS; | |
1890 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1891 | RD_REG_DWORD(®->iobase_addr); | |
1892 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1893 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1894 | rval == QLA_SUCCESS; cnt--) { | |
1895 | if (cnt) { | |
1896 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1897 | udelay(10); | |
1898 | } else | |
1899 | rval = QLA_FUNCTION_TIMEOUT; | |
1900 | } | |
1901 | if (rval == QLA_SUCCESS) | |
1902 | goto next_test; | |
1903 | ||
1904 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1905 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1906 | rval == QLA_SUCCESS; cnt--) { | |
1907 | if (cnt) { | |
1908 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1909 | udelay(10); | |
1910 | } else | |
1911 | rval = QLA_FUNCTION_TIMEOUT; | |
1912 | } | |
1913 | if (rval != QLA_SUCCESS) | |
1914 | goto done; | |
1915 | ||
1916 | next_test: | |
1917 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1918 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1919 | ||
1920 | done: | |
1921 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1922 | RD_REG_DWORD(®->iobase_window); | |
1923 | } | |
1924 | ||
9a853f71 AV |
1925 | /** |
1926 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1927 | * @irq: | |
1928 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1929 | * |
1930 | * Called by system whenever the host adapter generates an interrupt. | |
1931 | * | |
1932 | * Returns handled flag. | |
1933 | */ | |
1934 | irqreturn_t | |
7d12e780 | 1935 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1936 | { |
e315cd28 AC |
1937 | scsi_qla_host_t *vha; |
1938 | struct qla_hw_data *ha; | |
9a853f71 AV |
1939 | struct device_reg_24xx __iomem *reg; |
1940 | int status; | |
9a853f71 AV |
1941 | unsigned long iter; |
1942 | uint32_t stat; | |
1943 | uint32_t hccr; | |
1944 | uint16_t mb[4]; | |
e315cd28 | 1945 | struct rsp_que *rsp; |
43fac4d9 | 1946 | unsigned long flags; |
9a853f71 | 1947 | |
e315cd28 AC |
1948 | rsp = (struct rsp_que *) dev_id; |
1949 | if (!rsp) { | |
9a853f71 | 1950 | printk(KERN_INFO |
e315cd28 | 1951 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1952 | return IRQ_NONE; |
1953 | } | |
1954 | ||
e315cd28 | 1955 | ha = rsp->hw; |
9a853f71 AV |
1956 | reg = &ha->iobase->isp24; |
1957 | status = 0; | |
1958 | ||
85880801 AV |
1959 | if (unlikely(pci_channel_offline(ha->pdev))) |
1960 | return IRQ_HANDLED; | |
1961 | ||
43fac4d9 | 1962 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 1963 | vha = pci_get_drvdata(ha->pdev); |
9a853f71 AV |
1964 | for (iter = 50; iter--; ) { |
1965 | stat = RD_REG_DWORD(®->host_status); | |
1966 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 1967 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
1968 | break; |
1969 | ||
9a853f71 AV |
1970 | hccr = RD_REG_DWORD(®->hccr); |
1971 | ||
1972 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1973 | "Dumping firmware!\n", hccr); | |
05236a05 | 1974 | |
e315cd28 | 1975 | qla2xxx_check_risc_status(vha); |
05236a05 | 1976 | |
e315cd28 AC |
1977 | ha->isp_ops->fw_dump(vha, 1); |
1978 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1979 | break; |
1980 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1981 | break; | |
1982 | ||
1983 | switch (stat & 0xff) { | |
1984 | case 0x1: | |
1985 | case 0x2: | |
1986 | case 0x10: | |
1987 | case 0x11: | |
e315cd28 | 1988 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1989 | status |= MBX_INTERRUPT; |
1990 | ||
1991 | break; | |
1992 | case 0x12: | |
1993 | mb[0] = MSW(stat); | |
1994 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1995 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1996 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1997 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1998 | break; |
1999 | case 0x13: | |
73208dfd | 2000 | case 0x14: |
2afa19a9 | 2001 | qla24xx_process_response_queue(vha, rsp); |
9a853f71 AV |
2002 | break; |
2003 | default: | |
2004 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2005 | "(%d).\n", | |
e315cd28 | 2006 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
2007 | break; |
2008 | } | |
2009 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
2010 | RD_REG_DWORD_RELAXED(®->hccr); | |
2011 | } | |
43fac4d9 | 2012 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
9a853f71 AV |
2013 | |
2014 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2015 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 2016 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2017 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
2018 | } |
2019 | ||
2020 | return IRQ_HANDLED; | |
2021 | } | |
2022 | ||
a8488abe AV |
2023 | static irqreturn_t |
2024 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
2025 | { | |
e315cd28 AC |
2026 | struct qla_hw_data *ha; |
2027 | struct rsp_que *rsp; | |
a8488abe | 2028 | struct device_reg_24xx __iomem *reg; |
2afa19a9 | 2029 | struct scsi_qla_host *vha; |
0f19bc68 | 2030 | unsigned long flags; |
a8488abe | 2031 | |
e315cd28 AC |
2032 | rsp = (struct rsp_que *) dev_id; |
2033 | if (!rsp) { | |
2034 | printk(KERN_INFO | |
2035 | "%s(): NULL response queue pointer\n", __func__); | |
2036 | return IRQ_NONE; | |
2037 | } | |
2038 | ha = rsp->hw; | |
a8488abe AV |
2039 | reg = &ha->iobase->isp24; |
2040 | ||
0f19bc68 | 2041 | spin_lock_irqsave(&ha->hardware_lock, flags); |
a8488abe | 2042 | |
a67093d4 | 2043 | vha = pci_get_drvdata(ha->pdev); |
2afa19a9 | 2044 | qla24xx_process_response_queue(vha, rsp); |
3155754a | 2045 | if (!ha->flags.disable_msix_handshake) { |
eb94114b AC |
2046 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2047 | RD_REG_DWORD_RELAXED(®->hccr); | |
2048 | } | |
0f19bc68 | 2049 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2050 | |
2051 | return IRQ_HANDLED; | |
2052 | } | |
2053 | ||
68ca949c AC |
2054 | static irqreturn_t |
2055 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
2056 | { | |
2057 | struct qla_hw_data *ha; | |
2058 | struct rsp_que *rsp; | |
3155754a | 2059 | struct device_reg_24xx __iomem *reg; |
0f19bc68 | 2060 | unsigned long flags; |
68ca949c AC |
2061 | |
2062 | rsp = (struct rsp_que *) dev_id; | |
2063 | if (!rsp) { | |
2064 | printk(KERN_INFO | |
2065 | "%s(): NULL response queue pointer\n", __func__); | |
2066 | return IRQ_NONE; | |
2067 | } | |
2068 | ha = rsp->hw; | |
2069 | ||
3155754a AC |
2070 | /* Clear the interrupt, if enabled, for this response queue */ |
2071 | if (rsp->options & ~BIT_6) { | |
2072 | reg = &ha->iobase->isp24; | |
0f19bc68 | 2073 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3155754a AC |
2074 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
2075 | RD_REG_DWORD_RELAXED(®->hccr); | |
0f19bc68 | 2076 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
3155754a | 2077 | } |
68ca949c AC |
2078 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
2079 | ||
2080 | return IRQ_HANDLED; | |
2081 | } | |
2082 | ||
a8488abe AV |
2083 | static irqreturn_t |
2084 | qla24xx_msix_default(int irq, void *dev_id) | |
2085 | { | |
e315cd28 AC |
2086 | scsi_qla_host_t *vha; |
2087 | struct qla_hw_data *ha; | |
2088 | struct rsp_que *rsp; | |
a8488abe AV |
2089 | struct device_reg_24xx __iomem *reg; |
2090 | int status; | |
a8488abe AV |
2091 | uint32_t stat; |
2092 | uint32_t hccr; | |
2093 | uint16_t mb[4]; | |
0f19bc68 | 2094 | unsigned long flags; |
a8488abe | 2095 | |
e315cd28 AC |
2096 | rsp = (struct rsp_que *) dev_id; |
2097 | if (!rsp) { | |
2098 | DEBUG(printk( | |
2099 | "%s(): NULL response queue pointer\n", __func__)); | |
2100 | return IRQ_NONE; | |
2101 | } | |
2102 | ha = rsp->hw; | |
a8488abe AV |
2103 | reg = &ha->iobase->isp24; |
2104 | status = 0; | |
2105 | ||
0f19bc68 | 2106 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2afa19a9 | 2107 | vha = pci_get_drvdata(ha->pdev); |
87f27015 | 2108 | do { |
a8488abe AV |
2109 | stat = RD_REG_DWORD(®->host_status); |
2110 | if (stat & HSRX_RISC_PAUSED) { | |
85880801 | 2111 | if (unlikely(pci_channel_offline(ha->pdev))) |
14e660e6 SJ |
2112 | break; |
2113 | ||
a8488abe AV |
2114 | hccr = RD_REG_DWORD(®->hccr); |
2115 | ||
2116 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
2117 | "Dumping firmware!\n", hccr); | |
05236a05 | 2118 | |
e315cd28 | 2119 | qla2xxx_check_risc_status(vha); |
05236a05 | 2120 | |
e315cd28 AC |
2121 | ha->isp_ops->fw_dump(vha, 1); |
2122 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
2123 | break; |
2124 | } else if ((stat & HSRX_RISC_INT) == 0) | |
2125 | break; | |
2126 | ||
2127 | switch (stat & 0xff) { | |
2128 | case 0x1: | |
2129 | case 0x2: | |
2130 | case 0x10: | |
2131 | case 0x11: | |
e315cd28 | 2132 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
2133 | status |= MBX_INTERRUPT; |
2134 | ||
2135 | break; | |
2136 | case 0x12: | |
2137 | mb[0] = MSW(stat); | |
2138 | mb[1] = RD_REG_WORD(®->mailbox1); | |
2139 | mb[2] = RD_REG_WORD(®->mailbox2); | |
2140 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 2141 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
2142 | break; |
2143 | case 0x13: | |
73208dfd | 2144 | case 0x14: |
2afa19a9 | 2145 | qla24xx_process_response_queue(vha, rsp); |
a8488abe AV |
2146 | break; |
2147 | default: | |
2148 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2149 | "(%d).\n", | |
e315cd28 | 2150 | vha->host_no, stat & 0xff)); |
a8488abe AV |
2151 | break; |
2152 | } | |
2153 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 2154 | } while (0); |
0f19bc68 | 2155 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
a8488abe AV |
2156 | |
2157 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2158 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 2159 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 2160 | complete(&ha->mbx_intr_comp); |
a8488abe | 2161 | } |
a8488abe AV |
2162 | return IRQ_HANDLED; |
2163 | } | |
2164 | ||
2165 | /* Interrupt handling helpers. */ | |
2166 | ||
2167 | struct qla_init_msix_entry { | |
a8488abe | 2168 | const char *name; |
476834c2 | 2169 | irq_handler_t handler; |
a8488abe AV |
2170 | }; |
2171 | ||
68ca949c | 2172 | static struct qla_init_msix_entry msix_entries[3] = { |
2afa19a9 AC |
2173 | { "qla2xxx (default)", qla24xx_msix_default }, |
2174 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
68ca949c | 2175 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
a8488abe AV |
2176 | }; |
2177 | ||
a9083016 GM |
2178 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
2179 | { "qla2xxx (default)", qla82xx_msix_default }, | |
2180 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, | |
2181 | }; | |
2182 | ||
a8488abe | 2183 | static void |
e315cd28 | 2184 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
2185 | { |
2186 | int i; | |
2187 | struct qla_msix_entry *qentry; | |
2188 | ||
73208dfd AC |
2189 | for (i = 0; i < ha->msix_count; i++) { |
2190 | qentry = &ha->msix_entries[i]; | |
a8488abe | 2191 | if (qentry->have_irq) |
73208dfd | 2192 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
2193 | } |
2194 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
2195 | kfree(ha->msix_entries); |
2196 | ha->msix_entries = NULL; | |
2197 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
2198 | } |
2199 | ||
2200 | static int | |
73208dfd | 2201 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 2202 | { |
ad038fa8 | 2203 | #define MIN_MSIX_COUNT 2 |
a8488abe | 2204 | int i, ret; |
73208dfd | 2205 | struct msix_entry *entries; |
a8488abe | 2206 | struct qla_msix_entry *qentry; |
73208dfd AC |
2207 | |
2208 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
a9083016 | 2209 | GFP_KERNEL); |
73208dfd AC |
2210 | if (!entries) |
2211 | return -ENOMEM; | |
a8488abe | 2212 | |
73208dfd AC |
2213 | for (i = 0; i < ha->msix_count; i++) |
2214 | entries[i].entry = i; | |
a8488abe | 2215 | |
73208dfd | 2216 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 2217 | if (ret) { |
ad038fa8 LC |
2218 | if (ret < MIN_MSIX_COUNT) |
2219 | goto msix_failed; | |
2220 | ||
a8488abe | 2221 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
2222 | "MSI-X: Failed to enable support -- %d/%d\n" |
2223 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
2224 | ha->msix_count = ret; | |
2225 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
2226 | if (ret) { | |
ad038fa8 | 2227 | msix_failed: |
73208dfd AC |
2228 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
2229 | " support, giving up -- %d/%d\n", | |
2230 | ha->msix_count, ret); | |
2231 | goto msix_out; | |
2232 | } | |
2afa19a9 | 2233 | ha->max_rsp_queues = ha->msix_count - 1; |
73208dfd AC |
2234 | } |
2235 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
2236 | ha->msix_count, GFP_KERNEL); | |
2237 | if (!ha->msix_entries) { | |
2238 | ret = -ENOMEM; | |
a8488abe AV |
2239 | goto msix_out; |
2240 | } | |
2241 | ha->flags.msix_enabled = 1; | |
2242 | ||
73208dfd AC |
2243 | for (i = 0; i < ha->msix_count; i++) { |
2244 | qentry = &ha->msix_entries[i]; | |
2245 | qentry->vector = entries[i].vector; | |
2246 | qentry->entry = entries[i].entry; | |
a8488abe | 2247 | qentry->have_irq = 0; |
73208dfd | 2248 | qentry->rsp = NULL; |
a8488abe AV |
2249 | } |
2250 | ||
2afa19a9 AC |
2251 | /* Enable MSI-X vectors for the base queue */ |
2252 | for (i = 0; i < 2; i++) { | |
2253 | qentry = &ha->msix_entries[i]; | |
a9083016 GM |
2254 | if (IS_QLA82XX(ha)) { |
2255 | ret = request_irq(qentry->vector, | |
2256 | qla82xx_msix_entries[i].handler, | |
2257 | 0, qla82xx_msix_entries[i].name, rsp); | |
2258 | } else { | |
2259 | ret = request_irq(qentry->vector, | |
2260 | msix_entries[i].handler, | |
2261 | 0, msix_entries[i].name, rsp); | |
2262 | } | |
2afa19a9 AC |
2263 | if (ret) { |
2264 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
2265 | "MSI-X: Unable to register handler -- %x/%d.\n", |
2266 | qentry->vector, ret); | |
2afa19a9 AC |
2267 | qla24xx_disable_msix(ha); |
2268 | ha->mqenable = 0; | |
2269 | goto msix_out; | |
2270 | } | |
2271 | qentry->have_irq = 1; | |
2272 | qentry->rsp = rsp; | |
2273 | rsp->msix = qentry; | |
73208dfd | 2274 | } |
73208dfd AC |
2275 | |
2276 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
2afa19a9 | 2277 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
73208dfd | 2278 | ha->mqenable = 1; |
73208dfd | 2279 | |
a8488abe | 2280 | msix_out: |
73208dfd | 2281 | kfree(entries); |
a8488abe AV |
2282 | return ret; |
2283 | } | |
2284 | ||
2285 | int | |
73208dfd | 2286 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
2287 | { |
2288 | int ret; | |
963b0fdd | 2289 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
2290 | |
2291 | /* If possible, enable MSI-X. */ | |
3a03eb79 | 2292 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
a9083016 | 2293 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
6377a7ae BH |
2294 | goto skip_msi; |
2295 | ||
2296 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
2297 | (ha->pdev->subsystem_device == 0x7040 || | |
2298 | ha->pdev->subsystem_device == 0x7041 || | |
2299 | ha->pdev->subsystem_device == 0x1705)) { | |
2300 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2301 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n", | |
2302 | ha->pdev->subsystem_vendor, | |
2303 | ha->pdev->subsystem_device)); | |
2304 | goto skip_msi; | |
2305 | } | |
a8488abe | 2306 | |
e315cd28 AC |
2307 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
2308 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 2309 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
2310 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
2311 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
2312 | goto skip_msix; |
2313 | } | |
2314 | ||
73208dfd | 2315 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2316 | if (!ret) { |
2317 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2318 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2319 | ha->fw_attributes)); | |
963b0fdd | 2320 | goto clear_risc_ints; |
a8488abe AV |
2321 | } |
2322 | qla_printk(KERN_WARNING, ha, | |
a9083016 | 2323 | "MSI-X: Falling back-to MSI mode -- %d.\n", ret); |
a8488abe | 2324 | skip_msix: |
cbedb601 | 2325 | |
3a03eb79 AV |
2326 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2327 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2328 | goto skip_msi; |
2329 | ||
2330 | ret = pci_enable_msi(ha->pdev); | |
2331 | if (!ret) { | |
2332 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2333 | ha->flags.msi_enabled = 1; | |
a9083016 GM |
2334 | } else |
2335 | qla_printk(KERN_WARNING, ha, | |
2336 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
cbedb601 AV |
2337 | skip_msi: |
2338 | ||
fd34f556 | 2339 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
d1b1bef4 | 2340 | IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2341 | if (ret) { |
a8488abe AV |
2342 | qla_printk(KERN_WARNING, ha, |
2343 | "Failed to reserve interrupt %d already in use.\n", | |
2344 | ha->pdev->irq); | |
963b0fdd AV |
2345 | goto fail; |
2346 | } | |
2347 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2348 | clear_risc_ints: |
2349 | ||
3a03eb79 AV |
2350 | /* |
2351 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2352 | * Timing deltas during MSI-X/INTa transitions? | |
2353 | */ | |
a9083016 | 2354 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
3a03eb79 | 2355 | goto fail; |
c6952483 | 2356 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2357 | if (IS_FWI2_CAPABLE(ha)) { |
2358 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2359 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2360 | } else { | |
2361 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2362 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2363 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2364 | } |
c6952483 | 2365 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2366 | |
963b0fdd | 2367 | fail: |
a8488abe AV |
2368 | return ret; |
2369 | } | |
2370 | ||
2371 | void | |
e315cd28 | 2372 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2373 | { |
e315cd28 | 2374 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2375 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2376 | |
2377 | if (ha->flags.msix_enabled) | |
2378 | qla24xx_disable_msix(ha); | |
90a86fc0 | 2379 | else if (ha->flags.msi_enabled) { |
e315cd28 | 2380 | free_irq(ha->pdev->irq, rsp); |
cbedb601 | 2381 | pci_disable_msi(ha->pdev); |
90a86fc0 JC |
2382 | } else |
2383 | free_irq(ha->pdev->irq, rsp); | |
a8488abe | 2384 | } |
e315cd28 | 2385 | |
73208dfd AC |
2386 | |
2387 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2388 | { | |
2389 | struct qla_hw_data *ha = rsp->hw; | |
2afa19a9 | 2390 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
73208dfd AC |
2391 | struct qla_msix_entry *msix = rsp->msix; |
2392 | int ret; | |
2393 | ||
2394 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2395 | if (ret) { | |
2396 | qla_printk(KERN_WARNING, ha, | |
2397 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2398 | msix->vector, ret); | |
2399 | return ret; | |
2400 | } | |
2401 | msix->have_irq = 1; | |
2402 | msix->rsp = rsp; | |
2403 | return ret; | |
2404 | } |