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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
df7baa50 AV |
10 | #include <scsi/scsi_tcq.h> |
11 | ||
1da177e4 | 12 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
73208dfd AC |
13 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
14 | struct req_que *, uint32_t); | |
15 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); | |
1da177e4 | 16 | static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); |
73208dfd AC |
17 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
18 | sts_entry_t *); | |
e315cd28 | 19 | static struct scsi_qla_host *qla2x00_get_rsp_host(struct rsp_que *); |
9a853f71 | 20 | |
1da177e4 LT |
21 | /** |
22 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
23 | * @irq: | |
24 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
25 | * |
26 | * Called by system whenever the host adapter generates an interrupt. | |
27 | * | |
28 | * Returns handled flag. | |
29 | */ | |
30 | irqreturn_t | |
7d12e780 | 31 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 | 32 | { |
e315cd28 AC |
33 | scsi_qla_host_t *vha; |
34 | struct qla_hw_data *ha; | |
3d71644c | 35 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 36 | int status; |
1da177e4 | 37 | unsigned long iter; |
14e660e6 | 38 | uint16_t hccr; |
9a853f71 | 39 | uint16_t mb[4]; |
e315cd28 | 40 | struct rsp_que *rsp; |
1da177e4 | 41 | |
e315cd28 AC |
42 | rsp = (struct rsp_que *) dev_id; |
43 | if (!rsp) { | |
1da177e4 | 44 | printk(KERN_INFO |
e315cd28 | 45 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
46 | return (IRQ_NONE); |
47 | } | |
48 | ||
e315cd28 | 49 | ha = rsp->hw; |
3d71644c | 50 | reg = &ha->iobase->isp; |
1da177e4 LT |
51 | status = 0; |
52 | ||
c6952483 | 53 | spin_lock(&ha->hardware_lock); |
e315cd28 | 54 | vha = qla2x00_get_rsp_host(rsp); |
1da177e4 | 55 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
56 | hccr = RD_REG_WORD(®->hccr); |
57 | if (hccr & HCCR_RISC_PAUSE) { | |
58 | if (pci_channel_offline(ha->pdev)) | |
59 | break; | |
60 | ||
61 | /* | |
62 | * Issue a "HARD" reset in order for the RISC interrupt | |
63 | * bit to be cleared. Schedule a big hammmer to get | |
64 | * out of the RISC PAUSED state. | |
65 | */ | |
66 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
67 | RD_REG_WORD(®->hccr); | |
68 | ||
e315cd28 AC |
69 | ha->isp_ops->fw_dump(vha, 1); |
70 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
14e660e6 SJ |
71 | break; |
72 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
73 | break; |
74 | ||
75 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
76 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
77 | RD_REG_WORD(®->hccr); | |
78 | ||
79 | /* Get mailbox data. */ | |
9a853f71 AV |
80 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
81 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
e315cd28 | 82 | qla2x00_mbx_completion(vha, mb[0]); |
1da177e4 | 83 | status |= MBX_INTERRUPT; |
9a853f71 AV |
84 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
85 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
86 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
87 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 88 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
89 | } else { |
90 | /*EMPTY*/ | |
91 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 | 92 | "interrupt type (%d).\n", |
e315cd28 | 93 | vha->host_no, mb[0])); |
1da177e4 LT |
94 | } |
95 | /* Release mailbox registers. */ | |
96 | WRT_REG_WORD(®->semaphore, 0); | |
97 | RD_REG_WORD(®->semaphore); | |
98 | } else { | |
73208dfd | 99 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
100 | |
101 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
102 | RD_REG_WORD(®->hccr); | |
103 | } | |
104 | } | |
c6952483 | 105 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 106 | |
1da177e4 LT |
107 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
108 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 109 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 110 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
111 | } |
112 | ||
1da177e4 LT |
113 | return (IRQ_HANDLED); |
114 | } | |
115 | ||
116 | /** | |
117 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
118 | * @irq: | |
119 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
120 | * |
121 | * Called by system whenever the host adapter generates an interrupt. | |
122 | * | |
123 | * Returns handled flag. | |
124 | */ | |
125 | irqreturn_t | |
7d12e780 | 126 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 | 127 | { |
e315cd28 | 128 | scsi_qla_host_t *vha; |
3d71644c | 129 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 130 | int status; |
1da177e4 LT |
131 | unsigned long iter; |
132 | uint32_t stat; | |
1da177e4 | 133 | uint16_t hccr; |
9a853f71 | 134 | uint16_t mb[4]; |
e315cd28 AC |
135 | struct rsp_que *rsp; |
136 | struct qla_hw_data *ha; | |
1da177e4 | 137 | |
e315cd28 AC |
138 | rsp = (struct rsp_que *) dev_id; |
139 | if (!rsp) { | |
1da177e4 | 140 | printk(KERN_INFO |
e315cd28 | 141 | "%s(): NULL response queue pointer\n", __func__); |
1da177e4 LT |
142 | return (IRQ_NONE); |
143 | } | |
144 | ||
e315cd28 | 145 | ha = rsp->hw; |
3d71644c | 146 | reg = &ha->iobase->isp; |
1da177e4 LT |
147 | status = 0; |
148 | ||
c6952483 | 149 | spin_lock(&ha->hardware_lock); |
e315cd28 | 150 | vha = qla2x00_get_rsp_host(rsp); |
1da177e4 LT |
151 | for (iter = 50; iter--; ) { |
152 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
153 | if (stat & HSR_RISC_PAUSED) { | |
14e660e6 SJ |
154 | if (pci_channel_offline(ha->pdev)) |
155 | break; | |
156 | ||
1da177e4 LT |
157 | hccr = RD_REG_WORD(®->hccr); |
158 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
159 | qla_printk(KERN_INFO, ha, "Parity error -- " |
160 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 161 | else |
07f31805 AV |
162 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
163 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
164 | |
165 | /* | |
166 | * Issue a "HARD" reset in order for the RISC | |
167 | * interrupt bit to be cleared. Schedule a big | |
168 | * hammmer to get out of the RISC PAUSED state. | |
169 | */ | |
170 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
171 | RD_REG_WORD(®->hccr); | |
07f31805 | 172 | |
e315cd28 AC |
173 | ha->isp_ops->fw_dump(vha, 1); |
174 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
1da177e4 LT |
175 | break; |
176 | } else if ((stat & HSR_RISC_INT) == 0) | |
177 | break; | |
178 | ||
1da177e4 | 179 | switch (stat & 0xff) { |
1da177e4 LT |
180 | case 0x1: |
181 | case 0x2: | |
182 | case 0x10: | |
183 | case 0x11: | |
e315cd28 | 184 | qla2x00_mbx_completion(vha, MSW(stat)); |
1da177e4 LT |
185 | status |= MBX_INTERRUPT; |
186 | ||
187 | /* Release mailbox registers. */ | |
188 | WRT_REG_WORD(®->semaphore, 0); | |
189 | break; | |
190 | case 0x12: | |
9a853f71 AV |
191 | mb[0] = MSW(stat); |
192 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
193 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
194 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
73208dfd | 195 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
196 | break; |
197 | case 0x13: | |
73208dfd | 198 | qla2x00_process_response_queue(rsp); |
1da177e4 LT |
199 | break; |
200 | case 0x15: | |
9a853f71 AV |
201 | mb[0] = MBA_CMPLT_1_16BIT; |
202 | mb[1] = MSW(stat); | |
73208dfd | 203 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
204 | break; |
205 | case 0x16: | |
9a853f71 AV |
206 | mb[0] = MBA_SCSI_COMPLETION; |
207 | mb[1] = MSW(stat); | |
208 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
73208dfd | 209 | qla2x00_async_event(vha, rsp, mb); |
1da177e4 LT |
210 | break; |
211 | default: | |
212 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 213 | "(%d).\n", |
e315cd28 | 214 | vha->host_no, stat & 0xff)); |
1da177e4 LT |
215 | break; |
216 | } | |
217 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
218 | RD_REG_WORD_RELAXED(®->hccr); | |
219 | } | |
c6952483 | 220 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 221 | |
1da177e4 LT |
222 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
223 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 224 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 225 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
226 | } |
227 | ||
1da177e4 LT |
228 | return (IRQ_HANDLED); |
229 | } | |
230 | ||
231 | /** | |
232 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
233 | * @ha: SCSI driver HA context | |
234 | * @mb0: Mailbox0 register | |
235 | */ | |
236 | static void | |
e315cd28 | 237 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1da177e4 LT |
238 | { |
239 | uint16_t cnt; | |
240 | uint16_t __iomem *wptr; | |
e315cd28 | 241 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 242 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
243 | |
244 | /* Load return mailbox registers. */ | |
245 | ha->flags.mbox_int = 1; | |
246 | ha->mailbox_out[0] = mb0; | |
247 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
248 | ||
249 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 250 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
251 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
252 | if (cnt == 4 || cnt == 5) | |
253 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
254 | else | |
255 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 256 | |
1da177e4 LT |
257 | wptr++; |
258 | } | |
259 | ||
260 | if (ha->mcp) { | |
261 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 262 | __func__, vha->host_no, ha->mcp->mb[0])); |
1da177e4 LT |
263 | } else { |
264 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 265 | __func__, vha->host_no)); |
1da177e4 LT |
266 | } |
267 | } | |
268 | ||
269 | /** | |
270 | * qla2x00_async_event() - Process aynchronous events. | |
271 | * @ha: SCSI driver HA context | |
9a853f71 | 272 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 273 | */ |
2c3dfe3f | 274 | void |
73208dfd | 275 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 276 | { |
9a853f71 | 277 | #define LS_UNKNOWN 2 |
c3a2f0df | 278 | static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; |
1da177e4 | 279 | char *link_speed; |
1da177e4 LT |
280 | uint16_t handle_cnt; |
281 | uint16_t cnt; | |
282 | uint32_t handles[5]; | |
e315cd28 | 283 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 284 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
285 | uint32_t rscn_entry, host_pid; |
286 | uint8_t rscn_queue_index; | |
4d4df193 | 287 | unsigned long flags; |
1da177e4 LT |
288 | |
289 | /* Setup to process RIO completion. */ | |
290 | handle_cnt = 0; | |
1da177e4 LT |
291 | switch (mb[0]) { |
292 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 293 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
294 | handle_cnt = 1; |
295 | break; | |
296 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 297 | handles[0] = mb[1]; |
1da177e4 LT |
298 | handle_cnt = 1; |
299 | mb[0] = MBA_SCSI_COMPLETION; | |
300 | break; | |
301 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
302 | handles[0] = mb[1]; |
303 | handles[1] = mb[2]; | |
1da177e4 LT |
304 | handle_cnt = 2; |
305 | mb[0] = MBA_SCSI_COMPLETION; | |
306 | break; | |
307 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
308 | handles[0] = mb[1]; |
309 | handles[1] = mb[2]; | |
310 | handles[2] = mb[3]; | |
1da177e4 LT |
311 | handle_cnt = 3; |
312 | mb[0] = MBA_SCSI_COMPLETION; | |
313 | break; | |
314 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
315 | handles[0] = mb[1]; |
316 | handles[1] = mb[2]; | |
317 | handles[2] = mb[3]; | |
1da177e4 LT |
318 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
319 | handle_cnt = 4; | |
320 | mb[0] = MBA_SCSI_COMPLETION; | |
321 | break; | |
322 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
323 | handles[0] = mb[1]; |
324 | handles[1] = mb[2]; | |
325 | handles[2] = mb[3]; | |
1da177e4 LT |
326 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
327 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
328 | handle_cnt = 5; | |
329 | mb[0] = MBA_SCSI_COMPLETION; | |
330 | break; | |
331 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 332 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
333 | handles[1] = le32_to_cpu( |
334 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
335 | RD_MAILBOX_REG(ha, reg, 6)); | |
336 | handle_cnt = 2; | |
337 | mb[0] = MBA_SCSI_COMPLETION; | |
338 | break; | |
339 | default: | |
340 | break; | |
341 | } | |
342 | ||
343 | switch (mb[0]) { | |
344 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 345 | if (!vha->flags.online) |
1da177e4 LT |
346 | break; |
347 | ||
348 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
349 | qla2x00_process_completed_request(vha, rsp->req, |
350 | handles[cnt]); | |
1da177e4 LT |
351 | break; |
352 | ||
353 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
354 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
355 | vha->host_no)); | |
1da177e4 | 356 | |
e315cd28 | 357 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
358 | break; |
359 | ||
360 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
361 | qla_printk(KERN_INFO, ha, |
362 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
363 | mb[1], mb[2], mb[3]); | |
364 | ||
e315cd28 | 365 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 366 | |
e428924c | 367 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
368 | if (mb[1] == 0 && mb[2] == 0) { |
369 | qla_printk(KERN_ERR, ha, | |
370 | "Unrecoverable Hardware Error: adapter " | |
371 | "marked OFFLINE!\n"); | |
e315cd28 | 372 | vha->flags.online = 0; |
9a853f71 | 373 | } else |
e315cd28 | 374 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 375 | } else if (mb[1] == 0) { |
1da177e4 LT |
376 | qla_printk(KERN_INFO, ha, |
377 | "Unrecoverable Hardware Error: adapter marked " | |
378 | "OFFLINE!\n"); | |
e315cd28 | 379 | vha->flags.online = 0; |
1da177e4 | 380 | } else |
e315cd28 | 381 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
382 | break; |
383 | ||
384 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
385 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
e315cd28 | 386 | vha->host_no)); |
1da177e4 LT |
387 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); |
388 | ||
e315cd28 | 389 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
390 | break; |
391 | ||
392 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
393 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 394 | vha->host_no)); |
1da177e4 LT |
395 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
396 | ||
e315cd28 | 397 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
398 | break; |
399 | ||
400 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
401 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 402 | vha->host_no)); |
1da177e4 LT |
403 | break; |
404 | ||
405 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 406 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 407 | mb[1])); |
cc3ef7bc | 408 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 409 | |
e315cd28 AC |
410 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
411 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
412 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
413 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
414 | } |
415 | ||
e315cd28 AC |
416 | if (vha->vp_idx) { |
417 | atomic_set(&vha->vp_state, VP_FAILED); | |
418 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
419 | } |
420 | ||
e315cd28 AC |
421 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
422 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 423 | |
e315cd28 AC |
424 | vha->flags.management_server_logged_in = 0; |
425 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
426 | break; |
427 | ||
428 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
429 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
430 | link_speed = link_speeds[0]; | |
d8b45213 | 431 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 432 | } else { |
9a853f71 | 433 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
434 | if (mb[1] < 5) |
435 | link_speed = link_speeds[mb[1]]; | |
436 | ha->link_data_rate = mb[1]; | |
437 | } | |
438 | ||
439 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 440 | vha->host_no, link_speed)); |
1da177e4 LT |
441 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
442 | link_speed); | |
443 | ||
e315cd28 AC |
444 | vha->flags.management_server_logged_in = 0; |
445 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
446 | break; |
447 | ||
448 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 | 449 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
e315cd28 | 450 | "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
451 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", |
452 | mb[1], mb[2], mb[3]); | |
1da177e4 | 453 | |
e315cd28 AC |
454 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
455 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
456 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
457 | vha->device_flags |= DFLG_NO_CABLE; | |
458 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
459 | } |
460 | ||
e315cd28 AC |
461 | if (vha->vp_idx) { |
462 | atomic_set(&vha->vp_state, VP_FAILED); | |
463 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
464 | } |
465 | ||
e315cd28 | 466 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 467 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 468 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
469 | break; |
470 | ||
471 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 472 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 473 | vha->host_no, mb[1])); |
1da177e4 | 474 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 475 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 476 | |
e315cd28 AC |
477 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
478 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
479 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
480 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
481 | } |
482 | ||
e315cd28 AC |
483 | if (vha->vp_idx) { |
484 | atomic_set(&vha->vp_state, VP_FAILED); | |
485 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
486 | } |
487 | ||
e315cd28 | 488 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
489 | |
490 | ha->operating_mode = LOOP; | |
e315cd28 AC |
491 | vha->flags.management_server_logged_in = 0; |
492 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
493 | break; |
494 | ||
495 | case MBA_POINT_TO_POINT: /* Point-to-Point */ | |
496 | if (IS_QLA2100(ha)) | |
497 | break; | |
498 | ||
499 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n", | |
e315cd28 | 500 | vha->host_no)); |
1da177e4 LT |
501 | |
502 | /* | |
503 | * Until there's a transition from loop down to loop up, treat | |
504 | * this as loop down only. | |
505 | */ | |
e315cd28 AC |
506 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
507 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
508 | if (!atomic_read(&vha->loop_down_timer)) | |
509 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 510 | LOOP_DOWN_TIME); |
e315cd28 | 511 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
512 | } |
513 | ||
e315cd28 AC |
514 | if (vha->vp_idx) { |
515 | atomic_set(&vha->vp_state, VP_FAILED); | |
516 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
517 | } |
518 | ||
e315cd28 AC |
519 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
520 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
521 | ||
522 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
523 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
524 | |
525 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 526 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
527 | break; |
528 | ||
529 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
530 | if (IS_QLA2100(ha)) | |
531 | break; | |
532 | ||
1da177e4 LT |
533 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
534 | "received.\n", | |
e315cd28 | 535 | vha->host_no)); |
1da177e4 LT |
536 | qla_printk(KERN_INFO, ha, |
537 | "Configuration change detected: value=%x.\n", mb[1]); | |
538 | ||
e315cd28 AC |
539 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
540 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
541 | if (!atomic_read(&vha->loop_down_timer)) | |
542 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 543 | LOOP_DOWN_TIME); |
e315cd28 | 544 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
545 | } |
546 | ||
e315cd28 AC |
547 | if (vha->vp_idx) { |
548 | atomic_set(&vha->vp_state, VP_FAILED); | |
549 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
550 | } |
551 | ||
e315cd28 AC |
552 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
553 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
554 | break; |
555 | ||
556 | case MBA_PORT_UPDATE: /* Port database update */ | |
73208dfd AC |
557 | /* Only handle SCNs for our Vport index. */ |
558 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) | |
559 | break; | |
560 | ||
1da177e4 | 561 | /* |
cc3ef7bc | 562 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
563 | * event etc. earlier indicating loop is down) then process |
564 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
565 | */ | |
e315cd28 AC |
566 | atomic_set(&vha->loop_down_timer, 0); |
567 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
568 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 569 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 570 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 571 | mb[2], mb[3])); |
1da177e4 LT |
572 | break; |
573 | } | |
574 | ||
575 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 576 | vha->host_no)); |
1da177e4 | 577 | DEBUG(printk(KERN_INFO |
9a853f71 | 578 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 579 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
580 | |
581 | /* | |
582 | * Mark all devices as missing so we will login again. | |
583 | */ | |
e315cd28 | 584 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 585 | |
e315cd28 | 586 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 587 | |
e315cd28 | 588 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 589 | |
e315cd28 AC |
590 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
591 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
592 | break; |
593 | ||
594 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 595 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 596 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
597 | break; |
598 | /* Only handle SCNs for our Vport index. */ | |
e315cd28 | 599 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 600 | break; |
1da177e4 | 601 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 602 | vha->host_no)); |
1da177e4 | 603 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 604 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 605 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 606 | |
59d72d87 | 607 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
608 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
609 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
610 | if (rscn_entry == host_pid) { |
611 | DEBUG(printk(KERN_INFO | |
612 | "scsi(%ld): Ignoring RSCN update to local host " | |
613 | "port ID (%06x)\n", | |
e315cd28 | 614 | vha->host_no, host_pid)); |
1da177e4 LT |
615 | break; |
616 | } | |
617 | ||
59d72d87 RA |
618 | /* Ignore reserved bits from RSCN-payload. */ |
619 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 620 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
621 | if (rscn_queue_index == MAX_RSCN_COUNT) |
622 | rscn_queue_index = 0; | |
e315cd28 AC |
623 | if (rscn_queue_index != vha->rscn_out_ptr) { |
624 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
625 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 626 | } else { |
e315cd28 | 627 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
628 | } |
629 | ||
e315cd28 AC |
630 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
631 | atomic_set(&vha->loop_down_timer, 0); | |
632 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 633 | |
e315cd28 AC |
634 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
635 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
636 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
637 | break; |
638 | ||
639 | /* case MBA_RIO_RESPONSE: */ | |
640 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 641 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 642 | vha->host_no)); |
1da177e4 | 643 | |
e428924c | 644 | if (IS_FWI2_CAPABLE(ha)) |
73208dfd | 645 | qla24xx_process_response_queue(rsp); |
4fdfefe5 | 646 | else |
73208dfd | 647 | qla2x00_process_response_queue(rsp); |
1da177e4 | 648 | break; |
9a853f71 AV |
649 | |
650 | case MBA_DISCARD_RND_FRAME: | |
651 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 652 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 653 | break; |
45ebeb56 AV |
654 | |
655 | case MBA_TRACE_NOTIFICATION: | |
656 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 657 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 658 | break; |
4d4df193 HK |
659 | |
660 | case MBA_ISP84XX_ALERT: | |
661 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 662 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
663 | |
664 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
665 | switch (mb[1]) { | |
666 | case A84_PANIC_RECOVERY: | |
667 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
668 | "%04x %04x\n", mb[2], mb[3]); | |
669 | break; | |
670 | case A84_OP_LOGIN_COMPLETE: | |
671 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
672 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
673 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
674 | break; | |
675 | case A84_DIAG_LOGIN_COMPLETE: | |
676 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
677 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
678 | "diagnostic firmware version %x\n", | |
679 | ha->cs84xx->diag_fw_version)); | |
680 | break; | |
681 | case A84_GOLD_LOGIN_COMPLETE: | |
682 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
683 | ha->cs84xx->fw_update = 1; | |
684 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
685 | "firmware version %x\n", | |
686 | ha->cs84xx->gold_fw_version)); | |
687 | break; | |
688 | default: | |
689 | qla_printk(KERN_ERR, ha, | |
690 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
691 | mb[1], mb[2], mb[3]); | |
692 | } | |
693 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
694 | break; | |
1da177e4 | 695 | } |
2c3dfe3f | 696 | |
e315cd28 | 697 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 698 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
699 | } |
700 | ||
df7baa50 AV |
701 | static void |
702 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
703 | { | |
704 | fc_port_t *fcport = data; | |
73208dfd AC |
705 | struct scsi_qla_host *vha = fcport->vha; |
706 | struct qla_hw_data *ha = vha->hw; | |
707 | struct req_que *req = NULL; | |
708 | ||
709 | req = ha->req_q_map[vha->req_ques[0]]; | |
710 | if (!req) | |
711 | return; | |
712 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
713 | return; |
714 | ||
715 | if (sdev->ordered_tags) | |
716 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
717 | sdev->queue_depth + 1); | |
718 | else | |
719 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
720 | sdev->queue_depth + 1); | |
721 | ||
722 | fcport->last_ramp_up = jiffies; | |
723 | ||
e315cd28 | 724 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 725 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 726 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
727 | sdev->queue_depth)); |
728 | } | |
729 | ||
730 | static void | |
731 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
732 | { | |
733 | fc_port_t *fcport = data; | |
734 | ||
735 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
736 | return; | |
737 | ||
e315cd28 | 738 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 739 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 740 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
741 | sdev->queue_depth)); |
742 | } | |
743 | ||
744 | static inline void | |
73208dfd AC |
745 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
746 | srb_t *sp) | |
df7baa50 AV |
747 | { |
748 | fc_port_t *fcport; | |
749 | struct scsi_device *sdev; | |
750 | ||
751 | sdev = sp->cmd->device; | |
73208dfd | 752 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
753 | return; |
754 | ||
755 | fcport = sp->fcport; | |
756 | if (time_before(jiffies, | |
757 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
758 | return; | |
759 | if (time_before(jiffies, | |
760 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
761 | return; | |
762 | ||
df7baa50 AV |
763 | starget_for_each_device(sdev->sdev_target, fcport, |
764 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
765 | } |
766 | ||
1da177e4 LT |
767 | /** |
768 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
769 | * @ha: SCSI driver HA context | |
770 | * @index: SRB index | |
771 | */ | |
772 | static void | |
73208dfd AC |
773 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
774 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
775 | { |
776 | srb_t *sp; | |
e315cd28 | 777 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
778 | |
779 | /* Validate handle. */ | |
780 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
781 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 782 | vha->host_no, index)); |
1da177e4 LT |
783 | qla_printk(KERN_WARNING, ha, |
784 | "Invalid SCSI completion handle %d.\n", index); | |
785 | ||
e315cd28 | 786 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
787 | return; |
788 | } | |
789 | ||
e315cd28 | 790 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
791 | if (sp) { |
792 | /* Free outstanding command slot. */ | |
e315cd28 | 793 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 794 | |
1da177e4 LT |
795 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
796 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
797 | ||
798 | /* Save ISP completion status */ | |
799 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 800 | |
73208dfd AC |
801 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
802 | qla2x00_sp_compl(ha, sp); | |
1da177e4 LT |
803 | } else { |
804 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
e315cd28 | 805 | vha->host_no)); |
1da177e4 LT |
806 | qla_printk(KERN_WARNING, ha, |
807 | "Invalid ISP SCSI completion handle\n"); | |
808 | ||
e315cd28 | 809 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
810 | } |
811 | } | |
812 | ||
813 | /** | |
814 | * qla2x00_process_response_queue() - Process response queue entries. | |
815 | * @ha: SCSI driver HA context | |
816 | */ | |
817 | void | |
73208dfd | 818 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 819 | { |
73208dfd AC |
820 | struct scsi_qla_host *vha; |
821 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 822 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
823 | sts_entry_t *pkt; |
824 | uint16_t handle_cnt; | |
825 | uint16_t cnt; | |
73208dfd AC |
826 | |
827 | vha = qla2x00_get_rsp_host(rsp); | |
1da177e4 | 828 | |
e315cd28 | 829 | if (!vha->flags.online) |
1da177e4 LT |
830 | return; |
831 | ||
e315cd28 AC |
832 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
833 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 834 | |
e315cd28 AC |
835 | rsp->ring_index++; |
836 | if (rsp->ring_index == rsp->length) { | |
837 | rsp->ring_index = 0; | |
838 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 839 | } else { |
e315cd28 | 840 | rsp->ring_ptr++; |
1da177e4 LT |
841 | } |
842 | ||
843 | if (pkt->entry_status != 0) { | |
844 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 845 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 846 | |
73208dfd | 847 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
848 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
849 | wmb(); | |
850 | continue; | |
851 | } | |
852 | ||
853 | switch (pkt->entry_type) { | |
854 | case STATUS_TYPE: | |
73208dfd | 855 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
856 | break; |
857 | case STATUS_TYPE_21: | |
858 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
859 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 860 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
861 | ((sts21_entry_t *)pkt)->handle[cnt]); |
862 | } | |
863 | break; | |
864 | case STATUS_TYPE_22: | |
865 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
866 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 867 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
868 | ((sts22_entry_t *)pkt)->handle[cnt]); |
869 | } | |
870 | break; | |
871 | case STATUS_CONT_TYPE: | |
e315cd28 | 872 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
1da177e4 | 873 | break; |
1da177e4 LT |
874 | default: |
875 | /* Type Not Supported. */ | |
876 | DEBUG4(printk(KERN_WARNING | |
877 | "scsi(%ld): Received unknown response pkt type %x " | |
878 | "entry status=%x.\n", | |
e315cd28 | 879 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
880 | break; |
881 | } | |
882 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
883 | wmb(); | |
884 | } | |
885 | ||
886 | /* Adjust ring index */ | |
e315cd28 | 887 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
888 | } |
889 | ||
4733fcb1 AV |
890 | static inline void |
891 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) | |
892 | { | |
893 | struct scsi_cmnd *cp = sp->cmd; | |
894 | ||
895 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
896 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
897 | ||
898 | CMD_ACTUAL_SNSLEN(cp) = sense_len; | |
899 | sp->request_sense_length = sense_len; | |
900 | sp->request_sense_ptr = cp->sense_buffer; | |
901 | if (sp->request_sense_length > 32) | |
902 | sense_len = 32; | |
903 | ||
904 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
905 | ||
906 | sp->request_sense_ptr += sense_len; | |
907 | sp->request_sense_length -= sense_len; | |
908 | if (sp->request_sense_length != 0) | |
e315cd28 | 909 | sp->fcport->vha->status_srb = sp; |
4733fcb1 AV |
910 | |
911 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 912 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
913 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
914 | cp->serial_number)); | |
4733fcb1 AV |
915 | if (sense_len) |
916 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, | |
917 | CMD_ACTUAL_SNSLEN(cp))); | |
918 | } | |
919 | ||
1da177e4 LT |
920 | /** |
921 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
922 | * @ha: SCSI driver HA context | |
923 | * @pkt: Entry pointer | |
924 | */ | |
925 | static void | |
73208dfd | 926 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 927 | { |
1da177e4 | 928 | srb_t *sp; |
1da177e4 LT |
929 | fc_port_t *fcport; |
930 | struct scsi_cmnd *cp; | |
9a853f71 AV |
931 | sts_entry_t *sts; |
932 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
933 | uint16_t comp_status; |
934 | uint16_t scsi_status; | |
935 | uint8_t lscsi_status; | |
936 | int32_t resid; | |
ed17c71b | 937 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 938 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 939 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 940 | struct req_que *req = rsp->req; |
9a853f71 AV |
941 | |
942 | sts = (sts_entry_t *) pkt; | |
943 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 944 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
945 | comp_status = le16_to_cpu(sts24->comp_status); |
946 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
947 | } else { | |
948 | comp_status = le16_to_cpu(sts->comp_status); | |
949 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
950 | } | |
1da177e4 LT |
951 | |
952 | /* Fast path completion. */ | |
9a853f71 | 953 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
73208dfd | 954 | qla2x00_process_completed_request(vha, req, sts->handle); |
1da177e4 LT |
955 | |
956 | return; | |
957 | } | |
958 | ||
959 | /* Validate handle. */ | |
9a853f71 | 960 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
e315cd28 AC |
961 | sp = req->outstanding_cmds[sts->handle]; |
962 | req->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
963 | } else |
964 | sp = NULL; | |
965 | ||
966 | if (sp == NULL) { | |
967 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 968 | vha->host_no)); |
1da177e4 LT |
969 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
970 | ||
e315cd28 AC |
971 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
972 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
973 | return; |
974 | } | |
975 | cp = sp->cmd; | |
976 | if (cp == NULL) { | |
977 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
e315cd28 | 978 | "pkt->handle=%d sp=%p.\n", vha->host_no, sts->handle, sp)); |
1da177e4 LT |
979 | qla_printk(KERN_WARNING, ha, |
980 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
981 | ||
982 | return; | |
983 | } | |
984 | ||
9a853f71 AV |
985 | lscsi_status = scsi_status & STATUS_MASK; |
986 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
987 | CMD_COMPL_STATUS(cp) = comp_status; |
988 | CMD_SCSI_STATUS(cp) = scsi_status; | |
989 | ||
bdf79621 | 990 | fcport = sp->fcport; |
1da177e4 | 991 | |
ed17c71b | 992 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 993 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
994 | sense_len = le32_to_cpu(sts24->sense_len); |
995 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
996 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 997 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
998 | rsp_info = sts24->data; |
999 | sense_data = sts24->data; | |
1000 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1001 | } else { | |
1002 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1003 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1004 | resid_len = le32_to_cpu(sts->residual_length); | |
1005 | rsp_info = sts->rsp_info; | |
1006 | sense_data = sts->req_sense_data; | |
1007 | } | |
1008 | ||
1da177e4 LT |
1009 | /* Check for any FCP transport errors. */ |
1010 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1011 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1012 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1013 | sense_data += rsp_info_len; |
1014 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1015 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1016 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1017 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1018 | cp->device->channel, cp->device->id, |
1019 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1020 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1021 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1022 | |
1023 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1024 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1025 | return; |
1026 | } | |
1027 | } | |
1028 | ||
3e8ce320 AV |
1029 | /* Check for overrun. */ |
1030 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1031 | scsi_status & SS_RESIDUAL_OVER) | |
1032 | comp_status = CS_DATA_OVERRUN; | |
1033 | ||
1da177e4 LT |
1034 | /* |
1035 | * Based on Host and scsi status generate status code for Linux | |
1036 | */ | |
1037 | switch (comp_status) { | |
1038 | case CS_COMPLETE: | |
df7baa50 | 1039 | case CS_QUEUE_FULL: |
1da177e4 LT |
1040 | if (scsi_status == 0) { |
1041 | cp->result = DID_OK << 16; | |
1042 | break; | |
1043 | } | |
1044 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1045 | resid = resid_len; |
385d70b4 | 1046 | scsi_set_resid(cp, resid); |
1da177e4 | 1047 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
1048 | |
1049 | if (!lscsi_status && | |
385d70b4 | 1050 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1051 | cp->underflow)) { |
1052 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1053 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1054 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1055 | "error status.\n", vha->host_no, |
385d70b4 FT |
1056 | cp->device->channel, cp->device->id, |
1057 | cp->device->lun, resid, | |
1058 | scsi_bufflen(cp)); | |
0da69df1 AV |
1059 | |
1060 | cp->result = DID_ERROR << 16; | |
1061 | break; | |
1062 | } | |
1da177e4 | 1063 | } |
1da177e4 LT |
1064 | cp->result = DID_OK << 16 | lscsi_status; |
1065 | ||
df7baa50 AV |
1066 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1067 | DEBUG2(printk(KERN_INFO | |
1068 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1069 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1070 | scsi_status)); |
1071 | ||
1072 | /* Adjust queue depth for all luns on the port. */ | |
1073 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
1074 | starget_for_each_device(cp->device->sdev_target, |
1075 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1076 | break; |
1077 | } | |
1da177e4 LT |
1078 | if (lscsi_status != SS_CHECK_CONDITION) |
1079 | break; | |
1080 | ||
b80ca4f7 | 1081 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1082 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1083 | break; | |
1084 | ||
4733fcb1 | 1085 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1086 | break; |
1087 | ||
1088 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1089 | resid = resid_len; |
ed17c71b | 1090 | /* Use F/W calculated residual length. */ |
6acf8190 | 1091 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1092 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1093 | lscsi_status = 0; | |
1094 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1095 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1096 | lscsi_status = 0; | |
1097 | } | |
ed17c71b | 1098 | resid = fw_resid_len; |
6acf8190 | 1099 | } |
ed17c71b | 1100 | |
1da177e4 | 1101 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1102 | scsi_set_resid(cp, resid); |
1da177e4 | 1103 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1104 | } else { |
1105 | DEBUG2(printk(KERN_INFO | |
1106 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1107 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1108 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1109 | cp->device->id, cp->device->lun, comp_status, |
1110 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1111 | cp->underflow)); | |
e038a1be | 1112 | |
1da177e4 LT |
1113 | } |
1114 | ||
1115 | /* | |
fa2a1ce5 | 1116 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1117 | * Status. |
1118 | */ | |
1119 | if (lscsi_status != 0) { | |
1da177e4 LT |
1120 | cp->result = DID_OK << 16 | lscsi_status; |
1121 | ||
ffec28a3 AV |
1122 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1123 | DEBUG2(printk(KERN_INFO | |
1124 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1125 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1126 | scsi_status)); |
1127 | ||
1128 | /* | |
1129 | * Adjust queue depth for all luns on the | |
1130 | * port. | |
1131 | */ | |
1132 | fcport->last_queue_full = jiffies; | |
1133 | starget_for_each_device( | |
1134 | cp->device->sdev_target, fcport, | |
1135 | qla2x00_adjust_sdev_qdepth_down); | |
1136 | break; | |
1137 | } | |
1da177e4 LT |
1138 | if (lscsi_status != SS_CHECK_CONDITION) |
1139 | break; | |
1140 | ||
b80ca4f7 | 1141 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1142 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1143 | break; | |
1144 | ||
4733fcb1 | 1145 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1146 | } else { |
1147 | /* | |
1148 | * If RISC reports underrun and target does not report | |
1149 | * it then we must have a lost frame, so tell upper | |
1150 | * layer to retry it by reporting a bus busy. | |
1151 | */ | |
1152 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1153 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1154 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1155 | "retrying command.\n", |
1156 | vha->host_no, cp->device->channel, | |
1157 | cp->device->id, cp->device->lun, resid, | |
1158 | scsi_bufflen(cp))); | |
1da177e4 LT |
1159 | |
1160 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1161 | break; |
1162 | } | |
1163 | ||
1164 | /* Handle mid-layer underflow */ | |
385d70b4 | 1165 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1166 | cp->underflow) { |
1167 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1168 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1169 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1170 | "error status.\n", vha->host_no, |
385d70b4 FT |
1171 | cp->device->channel, cp->device->id, |
1172 | cp->device->lun, resid, | |
1173 | scsi_bufflen(cp)); | |
1da177e4 LT |
1174 | |
1175 | cp->result = DID_ERROR << 16; | |
1176 | break; | |
1177 | } | |
1178 | ||
1179 | /* Everybody online, looking good... */ | |
1180 | cp->result = DID_OK << 16; | |
1181 | } | |
1182 | break; | |
1183 | ||
1184 | case CS_DATA_OVERRUN: | |
1185 | DEBUG2(printk(KERN_INFO | |
1186 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1187 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1188 | scsi_status)); |
1da177e4 LT |
1189 | DEBUG2(printk(KERN_INFO |
1190 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1191 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1192 | cp->cmnd[4], cp->cmnd[5])); | |
1193 | DEBUG2(printk(KERN_INFO | |
1194 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1195 | "status!\n", | |
385d70b4 | 1196 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1197 | |
1198 | cp->result = DID_ERROR << 16; | |
1199 | break; | |
1200 | ||
1201 | case CS_PORT_LOGGED_OUT: | |
1202 | case CS_PORT_CONFIG_CHG: | |
1203 | case CS_PORT_BUSY: | |
1204 | case CS_INCOMPLETE: | |
1205 | case CS_PORT_UNAVAILABLE: | |
1206 | /* | |
1207 | * If the port is in Target Down state, return all IOs for this | |
1208 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1209 | * retry_queue. | |
1210 | */ | |
1da177e4 LT |
1211 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1212 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1213 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1214 | cp->serial_number, comp_status, |
1da177e4 LT |
1215 | atomic_read(&fcport->state))); |
1216 | ||
056a4483 MC |
1217 | /* |
1218 | * We are going to have the fc class block the rport | |
1219 | * while we try to recover so instruct the mid layer | |
1220 | * to requeue until the class decides how to handle this. | |
1221 | */ | |
1222 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1223 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1224 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1225 | break; |
1226 | ||
1227 | case CS_RESET: | |
1228 | DEBUG2(printk(KERN_INFO | |
1229 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1230 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1231 | |
f4f051eb | 1232 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1233 | break; |
1234 | ||
1235 | case CS_ABORTED: | |
fa2a1ce5 | 1236 | /* |
1da177e4 LT |
1237 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1238 | * aborted this request then abort otherwise it must be a | |
1239 | * reset. | |
1240 | */ | |
1241 | DEBUG2(printk(KERN_INFO | |
1242 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1243 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1244 | |
1245 | cp->result = DID_RESET << 16; | |
1246 | break; | |
1247 | ||
1248 | case CS_TIMEOUT: | |
056a4483 MC |
1249 | /* |
1250 | * We are going to have the fc class block the rport | |
1251 | * while we try to recover so instruct the mid layer | |
1252 | * to requeue until the class decides how to handle this. | |
1253 | */ | |
1254 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1255 | |
e428924c | 1256 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1257 | DEBUG2(printk(KERN_INFO |
1258 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1259 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1260 | cp->device->id, cp->device->lun, comp_status, |
1261 | scsi_status)); | |
1262 | break; | |
1263 | } | |
1da177e4 LT |
1264 | DEBUG2(printk(KERN_INFO |
1265 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1266 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1267 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1268 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1269 | |
9a853f71 AV |
1270 | /* Check to see if logout occurred. */ |
1271 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1272 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1273 | break; |
1274 | ||
1da177e4 LT |
1275 | default: |
1276 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1277 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1278 | qla_printk(KERN_INFO, ha, |
1279 | "Unknown status detected 0x%x-0x%x.\n", | |
1280 | comp_status, scsi_status); | |
1281 | ||
1282 | cp->result = DID_ERROR << 16; | |
1283 | break; | |
1284 | } | |
1285 | ||
1286 | /* Place command on done queue. */ | |
e315cd28 | 1287 | if (vha->status_srb == NULL) |
73208dfd | 1288 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1289 | } |
1290 | ||
1291 | /** | |
1292 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1293 | * @ha: SCSI driver HA context | |
1294 | * @pkt: Entry pointer | |
1295 | * | |
1296 | * Extended sense data. | |
1297 | */ | |
1298 | static void | |
e315cd28 | 1299 | qla2x00_status_cont_entry(scsi_qla_host_t *vha, sts_cont_entry_t *pkt) |
1da177e4 LT |
1300 | { |
1301 | uint8_t sense_sz = 0; | |
e315cd28 AC |
1302 | struct qla_hw_data *ha = vha->hw; |
1303 | srb_t *sp = vha->status_srb; | |
1da177e4 LT |
1304 | struct scsi_cmnd *cp; |
1305 | ||
1306 | if (sp != NULL && sp->request_sense_length != 0) { | |
1307 | cp = sp->cmd; | |
1308 | if (cp == NULL) { | |
1309 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1310 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1311 | qla_printk(KERN_INFO, ha, |
1312 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1313 | sp); |
1da177e4 | 1314 | |
e315cd28 | 1315 | vha->status_srb = NULL; |
1da177e4 LT |
1316 | return; |
1317 | } | |
1318 | ||
1319 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1320 | sense_sz = sizeof(pkt->data); | |
1321 | } else { | |
1322 | sense_sz = sp->request_sense_length; | |
1323 | } | |
1324 | ||
1325 | /* Move sense data. */ | |
e428924c | 1326 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1327 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1328 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1329 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1330 | ||
1331 | sp->request_sense_ptr += sense_sz; | |
1332 | sp->request_sense_length -= sense_sz; | |
1333 | ||
1334 | /* Place command on done queue. */ | |
1335 | if (sp->request_sense_length == 0) { | |
e315cd28 | 1336 | vha->status_srb = NULL; |
73208dfd | 1337 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1338 | } |
1339 | } | |
1340 | } | |
1341 | ||
1342 | /** | |
1343 | * qla2x00_error_entry() - Process an error entry. | |
1344 | * @ha: SCSI driver HA context | |
1345 | * @pkt: Entry pointer | |
1346 | */ | |
1347 | static void | |
73208dfd | 1348 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1349 | { |
1350 | srb_t *sp; | |
e315cd28 | 1351 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 1352 | struct req_que *req = rsp->req; |
1da177e4 LT |
1353 | #if defined(QL_DEBUG_LEVEL_2) |
1354 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1355 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1356 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1357 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1358 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1359 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1360 | "%s: Invalid Entry Parameter\n", __func__); |
1361 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1362 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1363 | else if (pkt->entry_status & RF_BUSY) | |
1364 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1365 | else | |
1366 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1367 | #endif | |
1368 | ||
1369 | /* Validate handle. */ | |
1370 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
e315cd28 | 1371 | sp = req->outstanding_cmds[pkt->handle]; |
1da177e4 LT |
1372 | else |
1373 | sp = NULL; | |
1374 | ||
1375 | if (sp) { | |
1376 | /* Free outstanding command slot. */ | |
e315cd28 | 1377 | req->outstanding_cmds[pkt->handle] = NULL; |
354d6b21 | 1378 | |
1da177e4 LT |
1379 | /* Bad payload or header */ |
1380 | if (pkt->entry_status & | |
1381 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1382 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1383 | sp->cmd->result = DID_ERROR << 16; | |
1384 | } else if (pkt->entry_status & RF_BUSY) { | |
1385 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1386 | } else { | |
1387 | sp->cmd->result = DID_ERROR << 16; | |
1388 | } | |
73208dfd | 1389 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1390 | |
9a853f71 AV |
1391 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1392 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1393 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1394 | vha->host_no)); |
1da177e4 LT |
1395 | qla_printk(KERN_WARNING, ha, |
1396 | "Error entry - invalid handle\n"); | |
1397 | ||
e315cd28 AC |
1398 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1399 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1400 | } |
1401 | } | |
1402 | ||
9a853f71 AV |
1403 | /** |
1404 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1405 | * @ha: SCSI driver HA context | |
1406 | * @mb0: Mailbox0 register | |
1407 | */ | |
1408 | static void | |
e315cd28 | 1409 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1410 | { |
1411 | uint16_t cnt; | |
1412 | uint16_t __iomem *wptr; | |
e315cd28 | 1413 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1414 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1415 | ||
1416 | /* Load return mailbox registers. */ | |
1417 | ha->flags.mbox_int = 1; | |
1418 | ha->mailbox_out[0] = mb0; | |
1419 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1420 | ||
1421 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1422 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1423 | wptr++; | |
1424 | } | |
1425 | ||
1426 | if (ha->mcp) { | |
1427 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1428 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1429 | } else { |
1430 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1431 | __func__, vha->host_no)); |
9a853f71 AV |
1432 | } |
1433 | } | |
1434 | ||
1435 | /** | |
1436 | * qla24xx_process_response_queue() - Process response queue entries. | |
1437 | * @ha: SCSI driver HA context | |
1438 | */ | |
1439 | void | |
73208dfd | 1440 | qla24xx_process_response_queue(struct rsp_que *rsp) |
9a853f71 | 1441 | { |
73208dfd | 1442 | struct qla_hw_data *ha = rsp->hw; |
9a853f71 | 1443 | struct sts_entry_24xx *pkt; |
73208dfd AC |
1444 | struct scsi_qla_host *vha; |
1445 | ||
1446 | vha = qla2x00_get_rsp_host(rsp); | |
9a853f71 | 1447 | |
e315cd28 | 1448 | if (!vha->flags.online) |
9a853f71 AV |
1449 | return; |
1450 | ||
e315cd28 AC |
1451 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1452 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1453 | |
e315cd28 AC |
1454 | rsp->ring_index++; |
1455 | if (rsp->ring_index == rsp->length) { | |
1456 | rsp->ring_index = 0; | |
1457 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1458 | } else { |
e315cd28 | 1459 | rsp->ring_ptr++; |
9a853f71 AV |
1460 | } |
1461 | ||
1462 | if (pkt->entry_status != 0) { | |
1463 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1464 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1465 | |
73208dfd | 1466 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1467 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1468 | wmb(); | |
1469 | continue; | |
1470 | } | |
1471 | ||
1472 | switch (pkt->entry_type) { | |
1473 | case STATUS_TYPE: | |
73208dfd | 1474 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1475 | break; |
1476 | case STATUS_CONT_TYPE: | |
e315cd28 | 1477 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
9a853f71 | 1478 | break; |
2c3dfe3f | 1479 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1480 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1481 | (struct vp_rpt_id_entry_24xx *)pkt); |
1482 | break; | |
9a853f71 AV |
1483 | default: |
1484 | /* Type Not Supported. */ | |
1485 | DEBUG4(printk(KERN_WARNING | |
1486 | "scsi(%ld): Received unknown response pkt type %x " | |
1487 | "entry status=%x.\n", | |
e315cd28 | 1488 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1489 | break; |
1490 | } | |
1491 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1492 | wmb(); | |
1493 | } | |
1494 | ||
1495 | /* Adjust ring index */ | |
17d98630 | 1496 | ha->isp_ops->wrt_rsp_reg(ha, rsp->id, rsp->ring_index); |
9a853f71 AV |
1497 | } |
1498 | ||
05236a05 | 1499 | static void |
e315cd28 | 1500 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1501 | { |
1502 | int rval; | |
1503 | uint32_t cnt; | |
e315cd28 | 1504 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1505 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1506 | ||
1507 | if (!IS_QLA25XX(ha)) | |
1508 | return; | |
1509 | ||
1510 | rval = QLA_SUCCESS; | |
1511 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1512 | RD_REG_DWORD(®->iobase_addr); | |
1513 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1514 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1515 | rval == QLA_SUCCESS; cnt--) { | |
1516 | if (cnt) { | |
1517 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1518 | udelay(10); | |
1519 | } else | |
1520 | rval = QLA_FUNCTION_TIMEOUT; | |
1521 | } | |
1522 | if (rval == QLA_SUCCESS) | |
1523 | goto next_test; | |
1524 | ||
1525 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1526 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1527 | rval == QLA_SUCCESS; cnt--) { | |
1528 | if (cnt) { | |
1529 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1530 | udelay(10); | |
1531 | } else | |
1532 | rval = QLA_FUNCTION_TIMEOUT; | |
1533 | } | |
1534 | if (rval != QLA_SUCCESS) | |
1535 | goto done; | |
1536 | ||
1537 | next_test: | |
1538 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1539 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1540 | ||
1541 | done: | |
1542 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1543 | RD_REG_DWORD(®->iobase_window); | |
1544 | } | |
1545 | ||
9a853f71 AV |
1546 | /** |
1547 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1548 | * @irq: | |
1549 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1550 | * |
1551 | * Called by system whenever the host adapter generates an interrupt. | |
1552 | * | |
1553 | * Returns handled flag. | |
1554 | */ | |
1555 | irqreturn_t | |
7d12e780 | 1556 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1557 | { |
e315cd28 AC |
1558 | scsi_qla_host_t *vha; |
1559 | struct qla_hw_data *ha; | |
9a853f71 AV |
1560 | struct device_reg_24xx __iomem *reg; |
1561 | int status; | |
9a853f71 AV |
1562 | unsigned long iter; |
1563 | uint32_t stat; | |
1564 | uint32_t hccr; | |
1565 | uint16_t mb[4]; | |
e315cd28 | 1566 | struct rsp_que *rsp; |
9a853f71 | 1567 | |
e315cd28 AC |
1568 | rsp = (struct rsp_que *) dev_id; |
1569 | if (!rsp) { | |
9a853f71 | 1570 | printk(KERN_INFO |
e315cd28 | 1571 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1572 | return IRQ_NONE; |
1573 | } | |
1574 | ||
e315cd28 | 1575 | ha = rsp->hw; |
9a853f71 AV |
1576 | reg = &ha->iobase->isp24; |
1577 | status = 0; | |
1578 | ||
c6952483 | 1579 | spin_lock(&ha->hardware_lock); |
e315cd28 | 1580 | vha = qla2x00_get_rsp_host(rsp); |
9a853f71 AV |
1581 | for (iter = 50; iter--; ) { |
1582 | stat = RD_REG_DWORD(®->host_status); | |
1583 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1584 | if (pci_channel_offline(ha->pdev)) |
1585 | break; | |
1586 | ||
9a853f71 AV |
1587 | hccr = RD_REG_DWORD(®->hccr); |
1588 | ||
1589 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1590 | "Dumping firmware!\n", hccr); | |
05236a05 | 1591 | |
e315cd28 | 1592 | qla2xxx_check_risc_status(vha); |
05236a05 | 1593 | |
e315cd28 AC |
1594 | ha->isp_ops->fw_dump(vha, 1); |
1595 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1596 | break; |
1597 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1598 | break; | |
1599 | ||
1600 | switch (stat & 0xff) { | |
1601 | case 0x1: | |
1602 | case 0x2: | |
1603 | case 0x10: | |
1604 | case 0x11: | |
e315cd28 | 1605 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1606 | status |= MBX_INTERRUPT; |
1607 | ||
1608 | break; | |
1609 | case 0x12: | |
1610 | mb[0] = MSW(stat); | |
1611 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1612 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1613 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1614 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1615 | break; |
1616 | case 0x13: | |
73208dfd AC |
1617 | case 0x14: |
1618 | qla24xx_process_response_queue(rsp); | |
9a853f71 AV |
1619 | break; |
1620 | default: | |
1621 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1622 | "(%d).\n", | |
e315cd28 | 1623 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1624 | break; |
1625 | } | |
1626 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1627 | RD_REG_DWORD_RELAXED(®->hccr); | |
1628 | } | |
c6952483 | 1629 | spin_unlock(&ha->hardware_lock); |
9a853f71 AV |
1630 | |
1631 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1632 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1633 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1634 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1635 | } |
1636 | ||
1637 | return IRQ_HANDLED; | |
1638 | } | |
1639 | ||
a8488abe AV |
1640 | static irqreturn_t |
1641 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1642 | { | |
e315cd28 AC |
1643 | struct qla_hw_data *ha; |
1644 | struct rsp_que *rsp; | |
a8488abe | 1645 | struct device_reg_24xx __iomem *reg; |
a8488abe | 1646 | |
e315cd28 AC |
1647 | rsp = (struct rsp_que *) dev_id; |
1648 | if (!rsp) { | |
1649 | printk(KERN_INFO | |
1650 | "%s(): NULL response queue pointer\n", __func__); | |
1651 | return IRQ_NONE; | |
1652 | } | |
1653 | ha = rsp->hw; | |
a8488abe AV |
1654 | reg = &ha->iobase->isp24; |
1655 | ||
0e973a24 | 1656 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1657 | |
73208dfd | 1658 | qla24xx_process_response_queue(rsp); |
a8488abe | 1659 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1660 | |
0e973a24 | 1661 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1662 | |
1663 | return IRQ_HANDLED; | |
1664 | } | |
1665 | ||
73208dfd AC |
1666 | static irqreturn_t |
1667 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1668 | { | |
1669 | struct qla_hw_data *ha; | |
1670 | struct rsp_que *rsp; | |
1671 | struct device_reg_24xx __iomem *reg; | |
1672 | uint16_t msix_disabled_hccr = 0; | |
1673 | ||
1674 | rsp = (struct rsp_que *) dev_id; | |
1675 | if (!rsp) { | |
1676 | printk(KERN_INFO | |
1677 | "%s(): NULL response queue pointer\n", __func__); | |
1678 | return IRQ_NONE; | |
1679 | } | |
1680 | ha = rsp->hw; | |
1681 | reg = &ha->iobase->isp24; | |
1682 | ||
1683 | spin_lock_irq(&ha->hardware_lock); | |
1684 | ||
1685 | msix_disabled_hccr = rsp->options; | |
1686 | if (!rsp->id) | |
1687 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_22); | |
1688 | else | |
17d98630 | 1689 | msix_disabled_hccr &= __constant_cpu_to_le32(BIT_6); |
73208dfd AC |
1690 | |
1691 | qla24xx_process_response_queue(rsp); | |
1692 | ||
1693 | if (!msix_disabled_hccr) | |
1694 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1695 | ||
1696 | spin_unlock_irq(&ha->hardware_lock); | |
1697 | ||
1698 | return IRQ_HANDLED; | |
1699 | } | |
1700 | ||
a8488abe AV |
1701 | static irqreturn_t |
1702 | qla24xx_msix_default(int irq, void *dev_id) | |
1703 | { | |
e315cd28 AC |
1704 | scsi_qla_host_t *vha; |
1705 | struct qla_hw_data *ha; | |
1706 | struct rsp_que *rsp; | |
a8488abe AV |
1707 | struct device_reg_24xx __iomem *reg; |
1708 | int status; | |
a8488abe AV |
1709 | uint32_t stat; |
1710 | uint32_t hccr; | |
1711 | uint16_t mb[4]; | |
1712 | ||
e315cd28 AC |
1713 | rsp = (struct rsp_que *) dev_id; |
1714 | if (!rsp) { | |
1715 | DEBUG(printk( | |
1716 | "%s(): NULL response queue pointer\n", __func__)); | |
1717 | return IRQ_NONE; | |
1718 | } | |
1719 | ha = rsp->hw; | |
a8488abe AV |
1720 | reg = &ha->iobase->isp24; |
1721 | status = 0; | |
1722 | ||
0e973a24 | 1723 | spin_lock_irq(&ha->hardware_lock); |
e315cd28 | 1724 | vha = qla2x00_get_rsp_host(rsp); |
87f27015 | 1725 | do { |
a8488abe AV |
1726 | stat = RD_REG_DWORD(®->host_status); |
1727 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1728 | if (pci_channel_offline(ha->pdev)) |
1729 | break; | |
1730 | ||
a8488abe AV |
1731 | hccr = RD_REG_DWORD(®->hccr); |
1732 | ||
1733 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1734 | "Dumping firmware!\n", hccr); | |
05236a05 | 1735 | |
e315cd28 | 1736 | qla2xxx_check_risc_status(vha); |
05236a05 | 1737 | |
e315cd28 AC |
1738 | ha->isp_ops->fw_dump(vha, 1); |
1739 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1740 | break; |
1741 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1742 | break; | |
1743 | ||
1744 | switch (stat & 0xff) { | |
1745 | case 0x1: | |
1746 | case 0x2: | |
1747 | case 0x10: | |
1748 | case 0x11: | |
e315cd28 | 1749 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1750 | status |= MBX_INTERRUPT; |
1751 | ||
1752 | break; | |
1753 | case 0x12: | |
1754 | mb[0] = MSW(stat); | |
1755 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1756 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1757 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1758 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1759 | break; |
1760 | case 0x13: | |
73208dfd AC |
1761 | case 0x14: |
1762 | qla24xx_process_response_queue(rsp); | |
a8488abe AV |
1763 | break; |
1764 | default: | |
1765 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1766 | "(%d).\n", | |
e315cd28 | 1767 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1768 | break; |
1769 | } | |
1770 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1771 | } while (0); |
0e973a24 | 1772 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1773 | |
1774 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1775 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1776 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1777 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1778 | } |
1779 | ||
1780 | return IRQ_HANDLED; | |
1781 | } | |
1782 | ||
1783 | /* Interrupt handling helpers. */ | |
1784 | ||
1785 | struct qla_init_msix_entry { | |
1786 | uint16_t entry; | |
1787 | uint16_t index; | |
1788 | const char *name; | |
476834c2 | 1789 | irq_handler_t handler; |
a8488abe AV |
1790 | }; |
1791 | ||
73208dfd AC |
1792 | static struct qla_init_msix_entry base_queue = { |
1793 | .entry = 0, | |
1794 | .index = 0, | |
1795 | .name = "qla2xxx (default)", | |
1796 | .handler = qla24xx_msix_default, | |
1797 | }; | |
1798 | ||
1799 | static struct qla_init_msix_entry base_rsp_queue = { | |
1800 | .entry = 1, | |
1801 | .index = 1, | |
1802 | .name = "qla2xxx (rsp_q)", | |
1803 | .handler = qla24xx_msix_rsp_q, | |
1804 | }; | |
a8488abe | 1805 | |
73208dfd AC |
1806 | static struct qla_init_msix_entry multi_rsp_queue = { |
1807 | .entry = 1, | |
1808 | .index = 1, | |
1809 | .name = "qla2xxx (multi_q)", | |
1810 | .handler = qla25xx_msix_rsp_q, | |
a8488abe AV |
1811 | }; |
1812 | ||
1813 | static void | |
e315cd28 | 1814 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1815 | { |
1816 | int i; | |
1817 | struct qla_msix_entry *qentry; | |
1818 | ||
73208dfd AC |
1819 | for (i = 0; i < ha->msix_count; i++) { |
1820 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1821 | if (qentry->have_irq) |
73208dfd | 1822 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1823 | } |
1824 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1825 | kfree(ha->msix_entries); |
1826 | ha->msix_entries = NULL; | |
1827 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1828 | } |
1829 | ||
1830 | static int | |
73208dfd | 1831 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1832 | { |
1833 | int i, ret; | |
73208dfd | 1834 | struct msix_entry *entries; |
a8488abe | 1835 | struct qla_msix_entry *qentry; |
73208dfd AC |
1836 | struct qla_init_msix_entry *msix_queue; |
1837 | ||
1838 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1839 | GFP_KERNEL); | |
1840 | if (!entries) | |
1841 | return -ENOMEM; | |
a8488abe | 1842 | |
73208dfd AC |
1843 | for (i = 0; i < ha->msix_count; i++) |
1844 | entries[i].entry = i; | |
a8488abe | 1845 | |
73208dfd | 1846 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe AV |
1847 | if (ret) { |
1848 | qla_printk(KERN_WARNING, ha, | |
73208dfd AC |
1849 | "MSI-X: Failed to enable support -- %d/%d\n" |
1850 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1851 | ha->msix_count = ret; | |
1852 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1853 | if (ret) { | |
1854 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" | |
1855 | " support, giving up -- %d/%d\n", | |
1856 | ha->msix_count, ret); | |
1857 | goto msix_out; | |
1858 | } | |
1859 | ha->max_queues = ha->msix_count - 1; | |
1860 | } | |
1861 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1862 | ha->msix_count, GFP_KERNEL); | |
1863 | if (!ha->msix_entries) { | |
1864 | ret = -ENOMEM; | |
a8488abe AV |
1865 | goto msix_out; |
1866 | } | |
1867 | ha->flags.msix_enabled = 1; | |
1868 | ||
73208dfd AC |
1869 | for (i = 0; i < ha->msix_count; i++) { |
1870 | qentry = &ha->msix_entries[i]; | |
1871 | qentry->vector = entries[i].vector; | |
1872 | qentry->entry = entries[i].entry; | |
a8488abe | 1873 | qentry->have_irq = 0; |
73208dfd | 1874 | qentry->rsp = NULL; |
a8488abe AV |
1875 | } |
1876 | ||
73208dfd AC |
1877 | /* Enable MSI-X for AENs for queue 0 */ |
1878 | qentry = &ha->msix_entries[0]; | |
1879 | ret = request_irq(qentry->vector, base_queue.handler, 0, | |
1880 | base_queue.name, rsp); | |
1881 | if (ret) { | |
1882 | qla_printk(KERN_WARNING, ha, | |
1883 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1884 | qentry->vector, ret); | |
1885 | qla24xx_disable_msix(ha); | |
1886 | goto msix_out; | |
1887 | } | |
1888 | qentry->have_irq = 1; | |
1889 | qentry->rsp = rsp; | |
1890 | ||
1891 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
1892 | if (ha->max_queues > 1 && ha->mqiobase) { | |
1893 | ha->mqenable = 1; | |
1894 | msix_queue = &multi_rsp_queue; | |
1895 | qla_printk(KERN_INFO, ha, | |
1896 | "MQ enabled, Number of Queue Resources: %d \n", | |
1897 | ha->max_queues); | |
1898 | } else { | |
1899 | ha->mqenable = 0; | |
1900 | msix_queue = &base_rsp_queue; | |
1901 | } | |
1902 | ||
1903 | qentry = &ha->msix_entries[1]; | |
1904 | ret = request_irq(qentry->vector, msix_queue->handler, 0, | |
1905 | msix_queue->name, rsp); | |
1906 | if (ret) { | |
1907 | qla_printk(KERN_WARNING, ha, | |
1908 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1909 | qentry->vector, ret); | |
1910 | qla24xx_disable_msix(ha); | |
1911 | ha->mqenable = 0; | |
1912 | goto msix_out; | |
1913 | } | |
1914 | qentry->have_irq = 1; | |
1915 | qentry->rsp = rsp; | |
1916 | ||
a8488abe | 1917 | msix_out: |
73208dfd | 1918 | kfree(entries); |
a8488abe AV |
1919 | return ret; |
1920 | } | |
1921 | ||
1922 | int | |
73208dfd | 1923 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1924 | { |
1925 | int ret; | |
963b0fdd | 1926 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1927 | |
1928 | /* If possible, enable MSI-X. */ | |
4d4df193 | 1929 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
a8488abe AV |
1930 | goto skip_msix; |
1931 | ||
e315cd28 AC |
1932 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
1933 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 1934 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
1935 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
1936 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
1937 | |
1938 | goto skip_msix; | |
1939 | } | |
1940 | ||
da7429f9 AV |
1941 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1942 | (ha->pdev->subsystem_device == 0x7040 || | |
1943 | ha->pdev->subsystem_device == 0x7041 || | |
1944 | ha->pdev->subsystem_device == 0x1705)) { | |
1945 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1946 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
1947 | ha->pdev->subsystem_vendor, | |
1948 | ha->pdev->subsystem_device)); | |
1949 | ||
1950 | goto skip_msi; | |
1951 | } | |
1952 | ||
73208dfd | 1953 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
1954 | if (!ret) { |
1955 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1956 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
1957 | ha->fw_attributes)); | |
963b0fdd | 1958 | goto clear_risc_ints; |
a8488abe AV |
1959 | } |
1960 | qla_printk(KERN_WARNING, ha, | |
1961 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
1962 | skip_msix: | |
cbedb601 | 1963 | |
4d4df193 | 1964 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
cbedb601 AV |
1965 | goto skip_msi; |
1966 | ||
1967 | ret = pci_enable_msi(ha->pdev); | |
1968 | if (!ret) { | |
1969 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
1970 | ha->flags.msi_enabled = 1; | |
1971 | } | |
1972 | skip_msi: | |
1973 | ||
fd34f556 | 1974 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
e315cd28 | 1975 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 1976 | if (ret) { |
a8488abe AV |
1977 | qla_printk(KERN_WARNING, ha, |
1978 | "Failed to reserve interrupt %d already in use.\n", | |
1979 | ha->pdev->irq); | |
963b0fdd AV |
1980 | goto fail; |
1981 | } | |
1982 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
1983 | clear_risc_ints: |
1984 | ||
c6952483 | 1985 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
1986 | if (IS_FWI2_CAPABLE(ha)) { |
1987 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1988 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1989 | } else { | |
1990 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1991 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1992 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 1993 | } |
c6952483 | 1994 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 1995 | |
963b0fdd | 1996 | fail: |
a8488abe AV |
1997 | return ret; |
1998 | } | |
1999 | ||
2000 | void | |
e315cd28 | 2001 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2002 | { |
e315cd28 | 2003 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2004 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2005 | |
2006 | if (ha->flags.msix_enabled) | |
2007 | qla24xx_disable_msix(ha); | |
cbedb601 | 2008 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2009 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2010 | pci_disable_msi(ha->pdev); |
2011 | } | |
a8488abe | 2012 | } |
e315cd28 AC |
2013 | |
2014 | static struct scsi_qla_host * | |
2015 | qla2x00_get_rsp_host(struct rsp_que *rsp) | |
2016 | { | |
2017 | srb_t *sp; | |
2018 | struct qla_hw_data *ha = rsp->hw; | |
2019 | struct scsi_qla_host *vha = NULL; | |
73208dfd AC |
2020 | struct sts_entry_24xx *pkt; |
2021 | struct req_que *req; | |
2022 | ||
2023 | if (rsp->id) { | |
2024 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2025 | req = rsp->req; | |
2026 | if (pkt && pkt->handle < MAX_OUTSTANDING_COMMANDS) { | |
2027 | sp = req->outstanding_cmds[pkt->handle]; | |
2028 | if (sp) | |
444786d7 | 2029 | vha = sp->fcport->vha; |
73208dfd | 2030 | } |
e315cd28 AC |
2031 | } |
2032 | if (!vha) | |
73208dfd | 2033 | /* handle it in base queue */ |
e315cd28 AC |
2034 | vha = pci_get_drvdata(ha->pdev); |
2035 | ||
2036 | return vha; | |
2037 | } | |
73208dfd AC |
2038 | |
2039 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2040 | { | |
2041 | struct qla_hw_data *ha = rsp->hw; | |
2042 | struct qla_init_msix_entry *intr = &multi_rsp_queue; | |
2043 | struct qla_msix_entry *msix = rsp->msix; | |
2044 | int ret; | |
2045 | ||
2046 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2047 | if (ret) { | |
2048 | qla_printk(KERN_WARNING, ha, | |
2049 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2050 | msix->vector, ret); | |
2051 | return ret; | |
2052 | } | |
2053 | msix->have_irq = 1; | |
2054 | msix->rsp = rsp; | |
2055 | return ret; | |
2056 | } | |
2057 | ||
17d98630 AC |
2058 | void |
2059 | qla25xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2060 | { | |
2061 | device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; | |
2062 | WRT_REG_DWORD(®->isp25mq.rsp_q_out, index); | |
2063 | } | |
2064 | ||
2065 | void | |
2066 | qla24xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) | |
2067 | { | |
2068 | device_reg_t __iomem *reg = (void *) ha->iobase; | |
2069 | WRT_REG_DWORD(®->isp24.rsp_q_out, index); | |
2070 | } | |
2071 |