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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 | ||
8a659571 AV |
269 | static void |
270 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) | |
271 | { | |
272 | static char *event[] = | |
273 | { "Complete", "Request Notification", "Time Extension" }; | |
274 | int rval; | |
275 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; | |
276 | uint16_t __iomem *wptr; | |
277 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; | |
278 | ||
279 | /* Seed data -- mailbox1 -> mailbox7. */ | |
280 | wptr = (uint16_t __iomem *)®24->mailbox1; | |
281 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) | |
282 | mb[cnt] = RD_REG_WORD(wptr); | |
283 | ||
284 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
285 | "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, | |
286 | event[aen & 0xff], | |
287 | mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); | |
288 | ||
289 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ | |
290 | timeout = (descr >> 8) & 0xf; | |
291 | if (aen != MBA_IDC_NOTIFY || !timeout) | |
292 | return; | |
293 | ||
294 | DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " | |
295 | "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); | |
296 | ||
297 | rval = qla2x00_post_idc_ack_work(vha, mb); | |
298 | if (rval != QLA_SUCCESS) | |
299 | qla_printk(KERN_WARNING, vha->hw, | |
300 | "IDC failed to post ACK.\n"); | |
301 | } | |
302 | ||
1da177e4 LT |
303 | /** |
304 | * qla2x00_async_event() - Process aynchronous events. | |
305 | * @ha: SCSI driver HA context | |
9a853f71 | 306 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 307 | */ |
2c3dfe3f | 308 | void |
73208dfd | 309 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
1da177e4 | 310 | { |
9a853f71 | 311 | #define LS_UNKNOWN 2 |
3a03eb79 | 312 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
1da177e4 | 313 | char *link_speed; |
1da177e4 LT |
314 | uint16_t handle_cnt; |
315 | uint16_t cnt; | |
316 | uint32_t handles[5]; | |
e315cd28 | 317 | struct qla_hw_data *ha = vha->hw; |
3d71644c | 318 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
319 | uint32_t rscn_entry, host_pid; |
320 | uint8_t rscn_queue_index; | |
4d4df193 | 321 | unsigned long flags; |
1da177e4 LT |
322 | |
323 | /* Setup to process RIO completion. */ | |
324 | handle_cnt = 0; | |
3a03eb79 AV |
325 | if (IS_QLA81XX(ha)) |
326 | goto skip_rio; | |
1da177e4 LT |
327 | switch (mb[0]) { |
328 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 329 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
330 | handle_cnt = 1; |
331 | break; | |
332 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 333 | handles[0] = mb[1]; |
1da177e4 LT |
334 | handle_cnt = 1; |
335 | mb[0] = MBA_SCSI_COMPLETION; | |
336 | break; | |
337 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
338 | handles[0] = mb[1]; |
339 | handles[1] = mb[2]; | |
1da177e4 LT |
340 | handle_cnt = 2; |
341 | mb[0] = MBA_SCSI_COMPLETION; | |
342 | break; | |
343 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
344 | handles[0] = mb[1]; |
345 | handles[1] = mb[2]; | |
346 | handles[2] = mb[3]; | |
1da177e4 LT |
347 | handle_cnt = 3; |
348 | mb[0] = MBA_SCSI_COMPLETION; | |
349 | break; | |
350 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
351 | handles[0] = mb[1]; |
352 | handles[1] = mb[2]; | |
353 | handles[2] = mb[3]; | |
1da177e4 LT |
354 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
355 | handle_cnt = 4; | |
356 | mb[0] = MBA_SCSI_COMPLETION; | |
357 | break; | |
358 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
359 | handles[0] = mb[1]; |
360 | handles[1] = mb[2]; | |
361 | handles[2] = mb[3]; | |
1da177e4 LT |
362 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
363 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
364 | handle_cnt = 5; | |
365 | mb[0] = MBA_SCSI_COMPLETION; | |
366 | break; | |
367 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 368 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
369 | handles[1] = le32_to_cpu( |
370 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
371 | RD_MAILBOX_REG(ha, reg, 6)); | |
372 | handle_cnt = 2; | |
373 | mb[0] = MBA_SCSI_COMPLETION; | |
374 | break; | |
375 | default: | |
376 | break; | |
377 | } | |
3a03eb79 | 378 | skip_rio: |
1da177e4 LT |
379 | switch (mb[0]) { |
380 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
e315cd28 | 381 | if (!vha->flags.online) |
1da177e4 LT |
382 | break; |
383 | ||
384 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
73208dfd AC |
385 | qla2x00_process_completed_request(vha, rsp->req, |
386 | handles[cnt]); | |
1da177e4 LT |
387 | break; |
388 | ||
389 | case MBA_RESET: /* Reset */ | |
e315cd28 AC |
390 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", |
391 | vha->host_no)); | |
1da177e4 | 392 | |
e315cd28 | 393 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
394 | break; |
395 | ||
396 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
397 | qla_printk(KERN_INFO, ha, |
398 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
399 | mb[1], mb[2], mb[3]); | |
400 | ||
e315cd28 | 401 | ha->isp_ops->fw_dump(vha, 1); |
1da177e4 | 402 | |
e428924c | 403 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
404 | if (mb[1] == 0 && mb[2] == 0) { |
405 | qla_printk(KERN_ERR, ha, | |
406 | "Unrecoverable Hardware Error: adapter " | |
407 | "marked OFFLINE!\n"); | |
e315cd28 | 408 | vha->flags.online = 0; |
9a853f71 | 409 | } else |
e315cd28 | 410 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
9a853f71 | 411 | } else if (mb[1] == 0) { |
1da177e4 LT |
412 | qla_printk(KERN_INFO, ha, |
413 | "Unrecoverable Hardware Error: adapter marked " | |
414 | "OFFLINE!\n"); | |
e315cd28 | 415 | vha->flags.online = 0; |
1da177e4 | 416 | } else |
e315cd28 | 417 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
418 | break; |
419 | ||
420 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
421 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
e315cd28 | 422 | vha->host_no)); |
1da177e4 LT |
423 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); |
424 | ||
e315cd28 | 425 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
426 | break; |
427 | ||
428 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
429 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
e315cd28 | 430 | vha->host_no)); |
1da177e4 LT |
431 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); |
432 | ||
e315cd28 | 433 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
434 | break; |
435 | ||
436 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
437 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
e315cd28 | 438 | vha->host_no)); |
1da177e4 LT |
439 | break; |
440 | ||
441 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
e315cd28 | 442 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, |
1da177e4 | 443 | mb[1])); |
cc3ef7bc | 444 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 | 445 | |
e315cd28 AC |
446 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
447 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
448 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
449 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
450 | } |
451 | ||
e315cd28 AC |
452 | if (vha->vp_idx) { |
453 | atomic_set(&vha->vp_state, VP_FAILED); | |
454 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
455 | } |
456 | ||
e315cd28 AC |
457 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
458 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
1da177e4 | 459 | |
e315cd28 AC |
460 | vha->flags.management_server_logged_in = 0; |
461 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); | |
1da177e4 LT |
462 | break; |
463 | ||
464 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
465 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
466 | link_speed = link_speeds[0]; | |
d8b45213 | 467 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 468 | } else { |
9a853f71 | 469 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
470 | if (mb[1] < 5) |
471 | link_speed = link_speeds[mb[1]]; | |
3a03eb79 AV |
472 | else if (mb[1] == 0x13) |
473 | link_speed = link_speeds[5]; | |
1da177e4 LT |
474 | ha->link_data_rate = mb[1]; |
475 | } | |
476 | ||
477 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
e315cd28 | 478 | vha->host_no, link_speed)); |
1da177e4 LT |
479 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", |
480 | link_speed); | |
481 | ||
e315cd28 AC |
482 | vha->flags.management_server_logged_in = 0; |
483 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); | |
1da177e4 LT |
484 | break; |
485 | ||
486 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 | 487 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
e315cd28 | 488 | "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
489 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", |
490 | mb[1], mb[2], mb[3]); | |
1da177e4 | 491 | |
e315cd28 AC |
492 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
493 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
494 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
495 | vha->device_flags |= DFLG_NO_CABLE; | |
496 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
497 | } |
498 | ||
e315cd28 AC |
499 | if (vha->vp_idx) { |
500 | atomic_set(&vha->vp_state, VP_FAILED); | |
501 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
502 | } |
503 | ||
e315cd28 | 504 | vha->flags.management_server_logged_in = 0; |
d8b45213 | 505 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
e315cd28 | 506 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
507 | break; |
508 | ||
509 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 | 510 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
e315cd28 | 511 | vha->host_no, mb[1])); |
1da177e4 | 512 | qla_printk(KERN_INFO, ha, |
cc3ef7bc | 513 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 | 514 | |
e315cd28 AC |
515 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
516 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
517 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
518 | qla2x00_mark_all_devices_lost(vha, 1); | |
1da177e4 LT |
519 | } |
520 | ||
e315cd28 AC |
521 | if (vha->vp_idx) { |
522 | atomic_set(&vha->vp_state, VP_FAILED); | |
523 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
524 | } |
525 | ||
e315cd28 | 526 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
527 | |
528 | ha->operating_mode = LOOP; | |
e315cd28 AC |
529 | vha->flags.management_server_logged_in = 0; |
530 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); | |
1da177e4 LT |
531 | break; |
532 | ||
3a03eb79 | 533 | /* case MBA_DCBX_COMPLETE: */ |
1da177e4 LT |
534 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
535 | if (IS_QLA2100(ha)) | |
536 | break; | |
537 | ||
3a03eb79 AV |
538 | if (IS_QLA81XX(ha)) |
539 | DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " | |
540 | "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
541 | else | |
542 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " | |
543 | "received.\n", vha->host_no)); | |
1da177e4 LT |
544 | |
545 | /* | |
546 | * Until there's a transition from loop down to loop up, treat | |
547 | * this as loop down only. | |
548 | */ | |
e315cd28 AC |
549 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
550 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
551 | if (!atomic_read(&vha->loop_down_timer)) | |
552 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 553 | LOOP_DOWN_TIME); |
e315cd28 | 554 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
555 | } |
556 | ||
e315cd28 AC |
557 | if (vha->vp_idx) { |
558 | atomic_set(&vha->vp_state, VP_FAILED); | |
559 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
560 | } |
561 | ||
e315cd28 AC |
562 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
563 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | |
564 | ||
565 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
566 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
4346b149 AV |
567 | |
568 | ha->flags.gpsc_supported = 1; | |
e315cd28 | 569 | vha->flags.management_server_logged_in = 0; |
1da177e4 LT |
570 | break; |
571 | ||
572 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
573 | if (IS_QLA2100(ha)) | |
574 | break; | |
575 | ||
1da177e4 LT |
576 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
577 | "received.\n", | |
e315cd28 | 578 | vha->host_no)); |
1da177e4 LT |
579 | qla_printk(KERN_INFO, ha, |
580 | "Configuration change detected: value=%x.\n", mb[1]); | |
581 | ||
e315cd28 AC |
582 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
583 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
584 | if (!atomic_read(&vha->loop_down_timer)) | |
585 | atomic_set(&vha->loop_down_timer, | |
1da177e4 | 586 | LOOP_DOWN_TIME); |
e315cd28 | 587 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 LT |
588 | } |
589 | ||
e315cd28 AC |
590 | if (vha->vp_idx) { |
591 | atomic_set(&vha->vp_state, VP_FAILED); | |
592 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
2c3dfe3f SJ |
593 | } |
594 | ||
e315cd28 AC |
595 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
596 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
597 | break; |
598 | ||
599 | case MBA_PORT_UPDATE: /* Port database update */ | |
73208dfd AC |
600 | /* Only handle SCNs for our Vport index. */ |
601 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) | |
602 | break; | |
603 | ||
1da177e4 | 604 | /* |
cc3ef7bc | 605 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
606 | * event etc. earlier indicating loop is down) then process |
607 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
608 | */ | |
e315cd28 AC |
609 | atomic_set(&vha->loop_down_timer, 0); |
610 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && | |
611 | atomic_read(&vha->loop_state) != LOOP_DEAD) { | |
1da177e4 | 612 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " |
e315cd28 | 613 | "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], |
9a853f71 | 614 | mb[2], mb[3])); |
1da177e4 LT |
615 | break; |
616 | } | |
617 | ||
618 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
e315cd28 | 619 | vha->host_no)); |
1da177e4 | 620 | DEBUG(printk(KERN_INFO |
9a853f71 | 621 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
e315cd28 | 622 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 LT |
623 | |
624 | /* | |
625 | * Mark all devices as missing so we will login again. | |
626 | */ | |
e315cd28 | 627 | atomic_set(&vha->loop_state, LOOP_UP); |
1da177e4 | 628 | |
e315cd28 | 629 | qla2x00_mark_all_devices_lost(vha, 1); |
1da177e4 | 630 | |
e315cd28 | 631 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 | 632 | |
e315cd28 AC |
633 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
634 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | |
1da177e4 LT |
635 | break; |
636 | ||
637 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 | 638 | /* Check if the Vport has issued a SCR */ |
e315cd28 | 639 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
3c397400 SJ |
640 | break; |
641 | /* Only handle SCNs for our Vport index. */ | |
e315cd28 | 642 | if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) |
3c397400 | 643 | break; |
1da177e4 | 644 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
e315cd28 | 645 | vha->host_no)); |
1da177e4 | 646 | DEBUG(printk(KERN_INFO |
f4a8dbc7 | 647 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
e315cd28 | 648 | vha->host_no, mb[1], mb[2], mb[3])); |
1da177e4 | 649 | |
59d72d87 | 650 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
e315cd28 AC |
651 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
652 | | vha->d_id.b.al_pa; | |
1da177e4 LT |
653 | if (rscn_entry == host_pid) { |
654 | DEBUG(printk(KERN_INFO | |
655 | "scsi(%ld): Ignoring RSCN update to local host " | |
656 | "port ID (%06x)\n", | |
e315cd28 | 657 | vha->host_no, host_pid)); |
1da177e4 LT |
658 | break; |
659 | } | |
660 | ||
59d72d87 RA |
661 | /* Ignore reserved bits from RSCN-payload. */ |
662 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
e315cd28 | 663 | rscn_queue_index = vha->rscn_in_ptr + 1; |
1da177e4 LT |
664 | if (rscn_queue_index == MAX_RSCN_COUNT) |
665 | rscn_queue_index = 0; | |
e315cd28 AC |
666 | if (rscn_queue_index != vha->rscn_out_ptr) { |
667 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; | |
668 | vha->rscn_in_ptr = rscn_queue_index; | |
1da177e4 | 669 | } else { |
e315cd28 | 670 | vha->flags.rscn_queue_overflow = 1; |
1da177e4 LT |
671 | } |
672 | ||
e315cd28 AC |
673 | atomic_set(&vha->loop_state, LOOP_UPDATE); |
674 | atomic_set(&vha->loop_down_timer, 0); | |
675 | vha->flags.management_server_logged_in = 0; | |
1da177e4 | 676 | |
e315cd28 AC |
677 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
678 | set_bit(RSCN_UPDATE, &vha->dpc_flags); | |
679 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); | |
1da177e4 LT |
680 | break; |
681 | ||
682 | /* case MBA_RIO_RESPONSE: */ | |
683 | case MBA_ZIO_RESPONSE: | |
3fd67cdf | 684 | DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", |
e315cd28 | 685 | vha->host_no)); |
1da177e4 | 686 | |
e428924c | 687 | if (IS_FWI2_CAPABLE(ha)) |
73208dfd | 688 | qla24xx_process_response_queue(rsp); |
4fdfefe5 | 689 | else |
73208dfd | 690 | qla2x00_process_response_queue(rsp); |
1da177e4 | 691 | break; |
9a853f71 AV |
692 | |
693 | case MBA_DISCARD_RND_FRAME: | |
694 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
e315cd28 | 695 | "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); |
9a853f71 | 696 | break; |
45ebeb56 AV |
697 | |
698 | case MBA_TRACE_NOTIFICATION: | |
699 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
e315cd28 | 700 | vha->host_no, mb[1], mb[2])); |
45ebeb56 | 701 | break; |
4d4df193 HK |
702 | |
703 | case MBA_ISP84XX_ALERT: | |
704 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
e315cd28 | 705 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); |
4d4df193 HK |
706 | |
707 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
708 | switch (mb[1]) { | |
709 | case A84_PANIC_RECOVERY: | |
710 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
711 | "%04x %04x\n", mb[2], mb[3]); | |
712 | break; | |
713 | case A84_OP_LOGIN_COMPLETE: | |
714 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
715 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
716 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
717 | break; | |
718 | case A84_DIAG_LOGIN_COMPLETE: | |
719 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
720 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
721 | "diagnostic firmware version %x\n", | |
722 | ha->cs84xx->diag_fw_version)); | |
723 | break; | |
724 | case A84_GOLD_LOGIN_COMPLETE: | |
725 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
726 | ha->cs84xx->fw_update = 1; | |
727 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
728 | "firmware version %x\n", | |
729 | ha->cs84xx->gold_fw_version)); | |
730 | break; | |
731 | default: | |
732 | qla_printk(KERN_ERR, ha, | |
733 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
734 | mb[1], mb[2], mb[3]); | |
735 | } | |
736 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
737 | break; | |
3a03eb79 AV |
738 | case MBA_DCBX_START: |
739 | DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", | |
740 | vha->host_no, mb[1], mb[2], mb[3])); | |
741 | break; | |
742 | case MBA_DCBX_PARAM_UPDATE: | |
743 | DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " | |
744 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
745 | break; | |
746 | case MBA_FCF_CONF_ERR: | |
747 | DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " | |
748 | "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); | |
749 | break; | |
750 | case MBA_IDC_COMPLETE: | |
3a03eb79 | 751 | case MBA_IDC_NOTIFY: |
3a03eb79 | 752 | case MBA_IDC_TIME_EXT: |
8a659571 | 753 | qla81xx_idc_event(vha, mb[0], mb[1]); |
3a03eb79 | 754 | break; |
1da177e4 | 755 | } |
2c3dfe3f | 756 | |
e315cd28 | 757 | if (!vha->vp_idx && ha->num_vhosts) |
73208dfd | 758 | qla2x00_alert_all_vps(rsp, mb); |
1da177e4 LT |
759 | } |
760 | ||
df7baa50 AV |
761 | static void |
762 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
763 | { | |
764 | fc_port_t *fcport = data; | |
73208dfd AC |
765 | struct scsi_qla_host *vha = fcport->vha; |
766 | struct qla_hw_data *ha = vha->hw; | |
767 | struct req_que *req = NULL; | |
768 | ||
769 | req = ha->req_q_map[vha->req_ques[0]]; | |
770 | if (!req) | |
771 | return; | |
772 | if (req->max_q_depth <= sdev->queue_depth) | |
df7baa50 AV |
773 | return; |
774 | ||
775 | if (sdev->ordered_tags) | |
776 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
777 | sdev->queue_depth + 1); | |
778 | else | |
779 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
780 | sdev->queue_depth + 1); | |
781 | ||
782 | fcport->last_ramp_up = jiffies; | |
783 | ||
e315cd28 | 784 | DEBUG2(qla_printk(KERN_INFO, ha, |
df7baa50 | 785 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
e315cd28 | 786 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
787 | sdev->queue_depth)); |
788 | } | |
789 | ||
790 | static void | |
791 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
792 | { | |
793 | fc_port_t *fcport = data; | |
794 | ||
795 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
796 | return; | |
797 | ||
e315cd28 | 798 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
df7baa50 | 799 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
e315cd28 | 800 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
df7baa50 AV |
801 | sdev->queue_depth)); |
802 | } | |
803 | ||
804 | static inline void | |
73208dfd AC |
805 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, |
806 | srb_t *sp) | |
df7baa50 AV |
807 | { |
808 | fc_port_t *fcport; | |
809 | struct scsi_device *sdev; | |
810 | ||
811 | sdev = sp->cmd->device; | |
73208dfd | 812 | if (sdev->queue_depth >= req->max_q_depth) |
df7baa50 AV |
813 | return; |
814 | ||
815 | fcport = sp->fcport; | |
816 | if (time_before(jiffies, | |
817 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
818 | return; | |
819 | if (time_before(jiffies, | |
820 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
821 | return; | |
822 | ||
df7baa50 AV |
823 | starget_for_each_device(sdev->sdev_target, fcport, |
824 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
825 | } |
826 | ||
1da177e4 LT |
827 | /** |
828 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
829 | * @ha: SCSI driver HA context | |
830 | * @index: SRB index | |
831 | */ | |
832 | static void | |
73208dfd AC |
833 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
834 | struct req_que *req, uint32_t index) | |
1da177e4 LT |
835 | { |
836 | srb_t *sp; | |
e315cd28 | 837 | struct qla_hw_data *ha = vha->hw; |
1da177e4 LT |
838 | |
839 | /* Validate handle. */ | |
840 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
841 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
e315cd28 | 842 | vha->host_no, index)); |
1da177e4 LT |
843 | qla_printk(KERN_WARNING, ha, |
844 | "Invalid SCSI completion handle %d.\n", index); | |
845 | ||
e315cd28 | 846 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
847 | return; |
848 | } | |
849 | ||
e315cd28 | 850 | sp = req->outstanding_cmds[index]; |
1da177e4 LT |
851 | if (sp) { |
852 | /* Free outstanding command slot. */ | |
e315cd28 | 853 | req->outstanding_cmds[index] = NULL; |
1da177e4 | 854 | |
1da177e4 LT |
855 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
856 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
857 | ||
858 | /* Save ISP completion status */ | |
859 | sp->cmd->result = DID_OK << 16; | |
df7baa50 | 860 | |
73208dfd AC |
861 | qla2x00_ramp_up_queue_depth(vha, req, sp); |
862 | qla2x00_sp_compl(ha, sp); | |
1da177e4 LT |
863 | } else { |
864 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
e315cd28 | 865 | vha->host_no)); |
1da177e4 LT |
866 | qla_printk(KERN_WARNING, ha, |
867 | "Invalid ISP SCSI completion handle\n"); | |
868 | ||
e315cd28 | 869 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1da177e4 LT |
870 | } |
871 | } | |
872 | ||
873 | /** | |
874 | * qla2x00_process_response_queue() - Process response queue entries. | |
875 | * @ha: SCSI driver HA context | |
876 | */ | |
877 | void | |
73208dfd | 878 | qla2x00_process_response_queue(struct rsp_que *rsp) |
1da177e4 | 879 | { |
73208dfd AC |
880 | struct scsi_qla_host *vha; |
881 | struct qla_hw_data *ha = rsp->hw; | |
3d71644c | 882 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
883 | sts_entry_t *pkt; |
884 | uint16_t handle_cnt; | |
885 | uint16_t cnt; | |
73208dfd AC |
886 | |
887 | vha = qla2x00_get_rsp_host(rsp); | |
1da177e4 | 888 | |
e315cd28 | 889 | if (!vha->flags.online) |
1da177e4 LT |
890 | return; |
891 | ||
e315cd28 AC |
892 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
893 | pkt = (sts_entry_t *)rsp->ring_ptr; | |
1da177e4 | 894 | |
e315cd28 AC |
895 | rsp->ring_index++; |
896 | if (rsp->ring_index == rsp->length) { | |
897 | rsp->ring_index = 0; | |
898 | rsp->ring_ptr = rsp->ring; | |
1da177e4 | 899 | } else { |
e315cd28 | 900 | rsp->ring_ptr++; |
1da177e4 LT |
901 | } |
902 | ||
903 | if (pkt->entry_status != 0) { | |
904 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 905 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
1da177e4 | 906 | |
73208dfd | 907 | qla2x00_error_entry(vha, rsp, pkt); |
1da177e4 LT |
908 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
909 | wmb(); | |
910 | continue; | |
911 | } | |
912 | ||
913 | switch (pkt->entry_type) { | |
914 | case STATUS_TYPE: | |
73208dfd | 915 | qla2x00_status_entry(vha, rsp, pkt); |
1da177e4 LT |
916 | break; |
917 | case STATUS_TYPE_21: | |
918 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
919 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 920 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
921 | ((sts21_entry_t *)pkt)->handle[cnt]); |
922 | } | |
923 | break; | |
924 | case STATUS_TYPE_22: | |
925 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
926 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
73208dfd | 927 | qla2x00_process_completed_request(vha, rsp->req, |
1da177e4 LT |
928 | ((sts22_entry_t *)pkt)->handle[cnt]); |
929 | } | |
930 | break; | |
931 | case STATUS_CONT_TYPE: | |
e315cd28 | 932 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
1da177e4 | 933 | break; |
1da177e4 LT |
934 | default: |
935 | /* Type Not Supported. */ | |
936 | DEBUG4(printk(KERN_WARNING | |
937 | "scsi(%ld): Received unknown response pkt type %x " | |
938 | "entry status=%x.\n", | |
e315cd28 | 939 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
1da177e4 LT |
940 | break; |
941 | } | |
942 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
943 | wmb(); | |
944 | } | |
945 | ||
946 | /* Adjust ring index */ | |
e315cd28 | 947 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
1da177e4 LT |
948 | } |
949 | ||
4733fcb1 AV |
950 | static inline void |
951 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) | |
952 | { | |
953 | struct scsi_cmnd *cp = sp->cmd; | |
954 | ||
955 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
956 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
957 | ||
958 | CMD_ACTUAL_SNSLEN(cp) = sense_len; | |
959 | sp->request_sense_length = sense_len; | |
960 | sp->request_sense_ptr = cp->sense_buffer; | |
961 | if (sp->request_sense_length > 32) | |
962 | sense_len = 32; | |
963 | ||
964 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
965 | ||
966 | sp->request_sense_ptr += sense_len; | |
967 | sp->request_sense_length -= sense_len; | |
968 | if (sp->request_sense_length != 0) | |
e315cd28 | 969 | sp->fcport->vha->status_srb = sp; |
4733fcb1 AV |
970 | |
971 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
e315cd28 | 972 | "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, |
19851f13 AV |
973 | cp->device->channel, cp->device->id, cp->device->lun, cp, |
974 | cp->serial_number)); | |
4733fcb1 AV |
975 | if (sense_len) |
976 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, | |
977 | CMD_ACTUAL_SNSLEN(cp))); | |
978 | } | |
979 | ||
1da177e4 LT |
980 | /** |
981 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
982 | * @ha: SCSI driver HA context | |
983 | * @pkt: Entry pointer | |
984 | */ | |
985 | static void | |
73208dfd | 986 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
1da177e4 | 987 | { |
1da177e4 | 988 | srb_t *sp; |
1da177e4 LT |
989 | fc_port_t *fcport; |
990 | struct scsi_cmnd *cp; | |
9a853f71 AV |
991 | sts_entry_t *sts; |
992 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
993 | uint16_t comp_status; |
994 | uint16_t scsi_status; | |
995 | uint8_t lscsi_status; | |
996 | int32_t resid; | |
ed17c71b | 997 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 | 998 | uint8_t *rsp_info, *sense_data; |
e315cd28 | 999 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 1000 | struct req_que *req = rsp->req; |
9a853f71 AV |
1001 | |
1002 | sts = (sts_entry_t *) pkt; | |
1003 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 1004 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1005 | comp_status = le16_to_cpu(sts24->comp_status); |
1006 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
1007 | } else { | |
1008 | comp_status = le16_to_cpu(sts->comp_status); | |
1009 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
1010 | } | |
1da177e4 LT |
1011 | |
1012 | /* Fast path completion. */ | |
9a853f71 | 1013 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
73208dfd | 1014 | qla2x00_process_completed_request(vha, req, sts->handle); |
1da177e4 LT |
1015 | |
1016 | return; | |
1017 | } | |
1018 | ||
1019 | /* Validate handle. */ | |
9a853f71 | 1020 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
e315cd28 AC |
1021 | sp = req->outstanding_cmds[sts->handle]; |
1022 | req->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
1023 | } else |
1024 | sp = NULL; | |
1025 | ||
1026 | if (sp == NULL) { | |
1027 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
e315cd28 | 1028 | vha->host_no)); |
1da177e4 LT |
1029 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); |
1030 | ||
e315cd28 AC |
1031 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1032 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1033 | return; |
1034 | } | |
1035 | cp = sp->cmd; | |
1036 | if (cp == NULL) { | |
1037 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
e315cd28 | 1038 | "pkt->handle=%d sp=%p.\n", vha->host_no, sts->handle, sp)); |
1da177e4 LT |
1039 | qla_printk(KERN_WARNING, ha, |
1040 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
1041 | ||
1042 | return; | |
1043 | } | |
1044 | ||
9a853f71 AV |
1045 | lscsi_status = scsi_status & STATUS_MASK; |
1046 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
1047 | CMD_COMPL_STATUS(cp) = comp_status; |
1048 | CMD_SCSI_STATUS(cp) = scsi_status; | |
1049 | ||
bdf79621 | 1050 | fcport = sp->fcport; |
1da177e4 | 1051 | |
ed17c71b | 1052 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 1053 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1054 | sense_len = le32_to_cpu(sts24->sense_len); |
1055 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
1056 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 1057 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
1058 | rsp_info = sts24->data; |
1059 | sense_data = sts24->data; | |
1060 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
1061 | } else { | |
1062 | sense_len = le16_to_cpu(sts->req_sense_length); | |
1063 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
1064 | resid_len = le32_to_cpu(sts->residual_length); | |
1065 | rsp_info = sts->rsp_info; | |
1066 | sense_data = sts->req_sense_data; | |
1067 | } | |
1068 | ||
1da177e4 LT |
1069 | /* Check for any FCP transport errors. */ |
1070 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 1071 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 1072 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
1073 | sense_data += rsp_info_len; |
1074 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
1075 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
1076 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
e315cd28 | 1077 | "retrying command\n", vha->host_no, |
9a853f71 AV |
1078 | cp->device->channel, cp->device->id, |
1079 | cp->device->lun, rsp_info_len, rsp_info[0], | |
1080 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
1081 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
1082 | |
1083 | cp->result = DID_BUS_BUSY << 16; | |
73208dfd | 1084 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1085 | return; |
1086 | } | |
1087 | } | |
1088 | ||
3e8ce320 AV |
1089 | /* Check for overrun. */ |
1090 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1091 | scsi_status & SS_RESIDUAL_OVER) | |
1092 | comp_status = CS_DATA_OVERRUN; | |
1093 | ||
1da177e4 LT |
1094 | /* |
1095 | * Based on Host and scsi status generate status code for Linux | |
1096 | */ | |
1097 | switch (comp_status) { | |
1098 | case CS_COMPLETE: | |
df7baa50 | 1099 | case CS_QUEUE_FULL: |
1da177e4 LT |
1100 | if (scsi_status == 0) { |
1101 | cp->result = DID_OK << 16; | |
1102 | break; | |
1103 | } | |
1104 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1105 | resid = resid_len; |
385d70b4 | 1106 | scsi_set_resid(cp, resid); |
1da177e4 | 1107 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
1108 | |
1109 | if (!lscsi_status && | |
385d70b4 | 1110 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1111 | cp->underflow)) { |
1112 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1113 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1114 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1115 | "error status.\n", vha->host_no, |
385d70b4 FT |
1116 | cp->device->channel, cp->device->id, |
1117 | cp->device->lun, resid, | |
1118 | scsi_bufflen(cp)); | |
0da69df1 AV |
1119 | |
1120 | cp->result = DID_ERROR << 16; | |
1121 | break; | |
1122 | } | |
1da177e4 | 1123 | } |
1da177e4 LT |
1124 | cp->result = DID_OK << 16 | lscsi_status; |
1125 | ||
df7baa50 AV |
1126 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1127 | DEBUG2(printk(KERN_INFO | |
1128 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1129 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
df7baa50 AV |
1130 | scsi_status)); |
1131 | ||
1132 | /* Adjust queue depth for all luns on the port. */ | |
1133 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
1134 | starget_for_each_device(cp->device->sdev_target, |
1135 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
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 | break; |
1147 | ||
1148 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1149 | resid = resid_len; |
ed17c71b | 1150 | /* Use F/W calculated residual length. */ |
6acf8190 | 1151 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1152 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1153 | lscsi_status = 0; | |
1154 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1155 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1156 | lscsi_status = 0; | |
1157 | } | |
ed17c71b | 1158 | resid = fw_resid_len; |
6acf8190 | 1159 | } |
ed17c71b | 1160 | |
1da177e4 | 1161 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1162 | scsi_set_resid(cp, resid); |
1da177e4 | 1163 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1164 | } else { |
1165 | DEBUG2(printk(KERN_INFO | |
1166 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b | 1167 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
e315cd28 | 1168 | "os_underflow=0x%x\n", vha->host_no, |
ed17c71b RA |
1169 | cp->device->id, cp->device->lun, comp_status, |
1170 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1171 | cp->underflow)); | |
e038a1be | 1172 | |
1da177e4 LT |
1173 | } |
1174 | ||
1175 | /* | |
fa2a1ce5 | 1176 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1177 | * Status. |
1178 | */ | |
1179 | if (lscsi_status != 0) { | |
1da177e4 LT |
1180 | cp->result = DID_OK << 16 | lscsi_status; |
1181 | ||
ffec28a3 AV |
1182 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1183 | DEBUG2(printk(KERN_INFO | |
1184 | "scsi(%ld): QUEUE FULL status detected " | |
e315cd28 | 1185 | "0x%x-0x%x.\n", vha->host_no, comp_status, |
ffec28a3 AV |
1186 | scsi_status)); |
1187 | ||
1188 | /* | |
1189 | * Adjust queue depth for all luns on the | |
1190 | * port. | |
1191 | */ | |
1192 | fcport->last_queue_full = jiffies; | |
1193 | starget_for_each_device( | |
1194 | cp->device->sdev_target, fcport, | |
1195 | qla2x00_adjust_sdev_qdepth_down); | |
1196 | break; | |
1197 | } | |
1da177e4 LT |
1198 | if (lscsi_status != SS_CHECK_CONDITION) |
1199 | break; | |
1200 | ||
b80ca4f7 | 1201 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1202 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1203 | break; | |
1204 | ||
4733fcb1 | 1205 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1206 | } else { |
1207 | /* | |
1208 | * If RISC reports underrun and target does not report | |
1209 | * it then we must have a lost frame, so tell upper | |
1210 | * layer to retry it by reporting a bus busy. | |
1211 | */ | |
1212 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1213 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 | 1214 | "frame(s) detected (%x of %x bytes)..." |
e315cd28 AC |
1215 | "retrying command.\n", |
1216 | vha->host_no, cp->device->channel, | |
1217 | cp->device->id, cp->device->lun, resid, | |
1218 | scsi_bufflen(cp))); | |
1da177e4 LT |
1219 | |
1220 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1221 | break; |
1222 | } | |
1223 | ||
1224 | /* Handle mid-layer underflow */ | |
385d70b4 | 1225 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1226 | cp->underflow) { |
1227 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1228 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1229 | "detected (%x of %x bytes)...returning " | |
e315cd28 | 1230 | "error status.\n", vha->host_no, |
385d70b4 FT |
1231 | cp->device->channel, cp->device->id, |
1232 | cp->device->lun, resid, | |
1233 | scsi_bufflen(cp)); | |
1da177e4 LT |
1234 | |
1235 | cp->result = DID_ERROR << 16; | |
1236 | break; | |
1237 | } | |
1238 | ||
1239 | /* Everybody online, looking good... */ | |
1240 | cp->result = DID_OK << 16; | |
1241 | } | |
1242 | break; | |
1243 | ||
1244 | case CS_DATA_OVERRUN: | |
1245 | DEBUG2(printk(KERN_INFO | |
1246 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
e315cd28 | 1247 | vha->host_no, cp->device->id, cp->device->lun, comp_status, |
9a853f71 | 1248 | scsi_status)); |
1da177e4 LT |
1249 | DEBUG2(printk(KERN_INFO |
1250 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1251 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1252 | cp->cmnd[4], cp->cmnd[5])); | |
1253 | DEBUG2(printk(KERN_INFO | |
1254 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1255 | "status!\n", | |
385d70b4 | 1256 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1257 | |
1258 | cp->result = DID_ERROR << 16; | |
1259 | break; | |
1260 | ||
1261 | case CS_PORT_LOGGED_OUT: | |
1262 | case CS_PORT_CONFIG_CHG: | |
1263 | case CS_PORT_BUSY: | |
1264 | case CS_INCOMPLETE: | |
1265 | case CS_PORT_UNAVAILABLE: | |
1266 | /* | |
1267 | * If the port is in Target Down state, return all IOs for this | |
1268 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1269 | * retry_queue. | |
1270 | */ | |
1da177e4 LT |
1271 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1272 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
e315cd28 | 1273 | vha->host_no, cp->device->id, cp->device->lun, |
9a853f71 | 1274 | cp->serial_number, comp_status, |
1da177e4 LT |
1275 | atomic_read(&fcport->state))); |
1276 | ||
056a4483 MC |
1277 | /* |
1278 | * We are going to have the fc class block the rport | |
1279 | * while we try to recover so instruct the mid layer | |
1280 | * to requeue until the class decides how to handle this. | |
1281 | */ | |
1282 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
a7a28504 | 1283 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
e315cd28 | 1284 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1285 | break; |
1286 | ||
1287 | case CS_RESET: | |
1288 | DEBUG2(printk(KERN_INFO | |
1289 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
e315cd28 | 1290 | vha->host_no, comp_status, scsi_status)); |
1da177e4 | 1291 | |
f4f051eb | 1292 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1293 | break; |
1294 | ||
1295 | case CS_ABORTED: | |
fa2a1ce5 | 1296 | /* |
1da177e4 LT |
1297 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1298 | * aborted this request then abort otherwise it must be a | |
1299 | * reset. | |
1300 | */ | |
1301 | DEBUG2(printk(KERN_INFO | |
1302 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
e315cd28 | 1303 | vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1304 | |
1305 | cp->result = DID_RESET << 16; | |
1306 | break; | |
1307 | ||
1308 | case CS_TIMEOUT: | |
056a4483 MC |
1309 | /* |
1310 | * We are going to have the fc class block the rport | |
1311 | * while we try to recover so instruct the mid layer | |
1312 | * to requeue until the class decides how to handle this. | |
1313 | */ | |
1314 | cp->result = DID_TRANSPORT_DISRUPTED << 16; | |
9a853f71 | 1315 | |
e428924c | 1316 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1317 | DEBUG2(printk(KERN_INFO |
1318 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
e315cd28 | 1319 | "0x%x-0x%x\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1320 | cp->device->id, cp->device->lun, comp_status, |
1321 | scsi_status)); | |
1322 | break; | |
1323 | } | |
1da177e4 LT |
1324 | DEBUG2(printk(KERN_INFO |
1325 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
e315cd28 | 1326 | "sflags=%x.\n", vha->host_no, cp->device->channel, |
9a853f71 AV |
1327 | cp->device->id, cp->device->lun, comp_status, scsi_status, |
1328 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1329 | |
9a853f71 AV |
1330 | /* Check to see if logout occurred. */ |
1331 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
e315cd28 | 1332 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
1da177e4 LT |
1333 | break; |
1334 | ||
1da177e4 LT |
1335 | default: |
1336 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
e315cd28 | 1337 | "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1338 | qla_printk(KERN_INFO, ha, |
1339 | "Unknown status detected 0x%x-0x%x.\n", | |
1340 | comp_status, scsi_status); | |
1341 | ||
1342 | cp->result = DID_ERROR << 16; | |
1343 | break; | |
1344 | } | |
1345 | ||
1346 | /* Place command on done queue. */ | |
e315cd28 | 1347 | if (vha->status_srb == NULL) |
73208dfd | 1348 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1349 | } |
1350 | ||
1351 | /** | |
1352 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1353 | * @ha: SCSI driver HA context | |
1354 | * @pkt: Entry pointer | |
1355 | * | |
1356 | * Extended sense data. | |
1357 | */ | |
1358 | static void | |
e315cd28 | 1359 | qla2x00_status_cont_entry(scsi_qla_host_t *vha, sts_cont_entry_t *pkt) |
1da177e4 LT |
1360 | { |
1361 | uint8_t sense_sz = 0; | |
e315cd28 AC |
1362 | struct qla_hw_data *ha = vha->hw; |
1363 | srb_t *sp = vha->status_srb; | |
1da177e4 LT |
1364 | struct scsi_cmnd *cp; |
1365 | ||
1366 | if (sp != NULL && sp->request_sense_length != 0) { | |
1367 | cp = sp->cmd; | |
1368 | if (cp == NULL) { | |
1369 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1370 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1371 | qla_printk(KERN_INFO, ha, |
1372 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1373 | sp); |
1da177e4 | 1374 | |
e315cd28 | 1375 | vha->status_srb = NULL; |
1da177e4 LT |
1376 | return; |
1377 | } | |
1378 | ||
1379 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1380 | sense_sz = sizeof(pkt->data); | |
1381 | } else { | |
1382 | sense_sz = sp->request_sense_length; | |
1383 | } | |
1384 | ||
1385 | /* Move sense data. */ | |
e428924c | 1386 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1387 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1388 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1389 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1390 | ||
1391 | sp->request_sense_ptr += sense_sz; | |
1392 | sp->request_sense_length -= sense_sz; | |
1393 | ||
1394 | /* Place command on done queue. */ | |
1395 | if (sp->request_sense_length == 0) { | |
e315cd28 | 1396 | vha->status_srb = NULL; |
73208dfd | 1397 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1398 | } |
1399 | } | |
1400 | } | |
1401 | ||
1402 | /** | |
1403 | * qla2x00_error_entry() - Process an error entry. | |
1404 | * @ha: SCSI driver HA context | |
1405 | * @pkt: Entry pointer | |
1406 | */ | |
1407 | static void | |
73208dfd | 1408 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
1da177e4 LT |
1409 | { |
1410 | srb_t *sp; | |
e315cd28 | 1411 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 1412 | struct req_que *req = rsp->req; |
1da177e4 LT |
1413 | #if defined(QL_DEBUG_LEVEL_2) |
1414 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1415 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1416 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1417 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1418 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1419 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1420 | "%s: Invalid Entry Parameter\n", __func__); |
1421 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1422 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1423 | else if (pkt->entry_status & RF_BUSY) | |
1424 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1425 | else | |
1426 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1427 | #endif | |
1428 | ||
1429 | /* Validate handle. */ | |
1430 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
e315cd28 | 1431 | sp = req->outstanding_cmds[pkt->handle]; |
1da177e4 LT |
1432 | else |
1433 | sp = NULL; | |
1434 | ||
1435 | if (sp) { | |
1436 | /* Free outstanding command slot. */ | |
e315cd28 | 1437 | req->outstanding_cmds[pkt->handle] = NULL; |
354d6b21 | 1438 | |
1da177e4 LT |
1439 | /* Bad payload or header */ |
1440 | if (pkt->entry_status & | |
1441 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1442 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1443 | sp->cmd->result = DID_ERROR << 16; | |
1444 | } else if (pkt->entry_status & RF_BUSY) { | |
1445 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1446 | } else { | |
1447 | sp->cmd->result = DID_ERROR << 16; | |
1448 | } | |
73208dfd | 1449 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1450 | |
9a853f71 AV |
1451 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1452 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 | 1453 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
e315cd28 | 1454 | vha->host_no)); |
1da177e4 LT |
1455 | qla_printk(KERN_WARNING, ha, |
1456 | "Error entry - invalid handle\n"); | |
1457 | ||
e315cd28 AC |
1458 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
1459 | qla2xxx_wake_dpc(vha); | |
1da177e4 LT |
1460 | } |
1461 | } | |
1462 | ||
9a853f71 AV |
1463 | /** |
1464 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1465 | * @ha: SCSI driver HA context | |
1466 | * @mb0: Mailbox0 register | |
1467 | */ | |
1468 | static void | |
e315cd28 | 1469 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
9a853f71 AV |
1470 | { |
1471 | uint16_t cnt; | |
1472 | uint16_t __iomem *wptr; | |
e315cd28 | 1473 | struct qla_hw_data *ha = vha->hw; |
9a853f71 AV |
1474 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1475 | ||
1476 | /* Load return mailbox registers. */ | |
1477 | ha->flags.mbox_int = 1; | |
1478 | ha->mailbox_out[0] = mb0; | |
1479 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1480 | ||
1481 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1482 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1483 | wptr++; | |
1484 | } | |
1485 | ||
1486 | if (ha->mcp) { | |
1487 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
e315cd28 | 1488 | __func__, vha->host_no, ha->mcp->mb[0])); |
9a853f71 AV |
1489 | } else { |
1490 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
e315cd28 | 1491 | __func__, vha->host_no)); |
9a853f71 AV |
1492 | } |
1493 | } | |
1494 | ||
1495 | /** | |
1496 | * qla24xx_process_response_queue() - Process response queue entries. | |
1497 | * @ha: SCSI driver HA context | |
1498 | */ | |
1499 | void | |
73208dfd | 1500 | qla24xx_process_response_queue(struct rsp_que *rsp) |
9a853f71 | 1501 | { |
9a853f71 | 1502 | struct sts_entry_24xx *pkt; |
73208dfd AC |
1503 | struct scsi_qla_host *vha; |
1504 | ||
1505 | vha = qla2x00_get_rsp_host(rsp); | |
9a853f71 | 1506 | |
e315cd28 | 1507 | if (!vha->flags.online) |
9a853f71 AV |
1508 | return; |
1509 | ||
e315cd28 AC |
1510 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
1511 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; | |
9a853f71 | 1512 | |
e315cd28 AC |
1513 | rsp->ring_index++; |
1514 | if (rsp->ring_index == rsp->length) { | |
1515 | rsp->ring_index = 0; | |
1516 | rsp->ring_ptr = rsp->ring; | |
9a853f71 | 1517 | } else { |
e315cd28 | 1518 | rsp->ring_ptr++; |
9a853f71 AV |
1519 | } |
1520 | ||
1521 | if (pkt->entry_status != 0) { | |
1522 | DEBUG3(printk(KERN_INFO | |
e315cd28 | 1523 | "scsi(%ld): Process error entry.\n", vha->host_no)); |
9a853f71 | 1524 | |
73208dfd | 1525 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
9a853f71 AV |
1526 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
1527 | wmb(); | |
1528 | continue; | |
1529 | } | |
1530 | ||
1531 | switch (pkt->entry_type) { | |
1532 | case STATUS_TYPE: | |
73208dfd | 1533 | qla2x00_status_entry(vha, rsp, pkt); |
9a853f71 AV |
1534 | break; |
1535 | case STATUS_CONT_TYPE: | |
e315cd28 | 1536 | qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); |
9a853f71 | 1537 | break; |
2c3dfe3f | 1538 | case VP_RPT_ID_IOCB_TYPE: |
e315cd28 | 1539 | qla24xx_report_id_acquisition(vha, |
2c3dfe3f SJ |
1540 | (struct vp_rpt_id_entry_24xx *)pkt); |
1541 | break; | |
9a853f71 AV |
1542 | default: |
1543 | /* Type Not Supported. */ | |
1544 | DEBUG4(printk(KERN_WARNING | |
1545 | "scsi(%ld): Received unknown response pkt type %x " | |
1546 | "entry status=%x.\n", | |
e315cd28 | 1547 | vha->host_no, pkt->entry_type, pkt->entry_status)); |
9a853f71 AV |
1548 | break; |
1549 | } | |
1550 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1551 | wmb(); | |
1552 | } | |
1553 | ||
1554 | /* Adjust ring index */ | |
08029990 | 1555 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
9a853f71 AV |
1556 | } |
1557 | ||
05236a05 | 1558 | static void |
e315cd28 | 1559 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
05236a05 AV |
1560 | { |
1561 | int rval; | |
1562 | uint32_t cnt; | |
e315cd28 | 1563 | struct qla_hw_data *ha = vha->hw; |
05236a05 AV |
1564 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
1565 | ||
3a03eb79 | 1566 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
05236a05 AV |
1567 | return; |
1568 | ||
1569 | rval = QLA_SUCCESS; | |
1570 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1571 | RD_REG_DWORD(®->iobase_addr); | |
1572 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1573 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1574 | rval == QLA_SUCCESS; cnt--) { | |
1575 | if (cnt) { | |
1576 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1577 | udelay(10); | |
1578 | } else | |
1579 | rval = QLA_FUNCTION_TIMEOUT; | |
1580 | } | |
1581 | if (rval == QLA_SUCCESS) | |
1582 | goto next_test; | |
1583 | ||
1584 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1585 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1586 | rval == QLA_SUCCESS; cnt--) { | |
1587 | if (cnt) { | |
1588 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1589 | udelay(10); | |
1590 | } else | |
1591 | rval = QLA_FUNCTION_TIMEOUT; | |
1592 | } | |
1593 | if (rval != QLA_SUCCESS) | |
1594 | goto done; | |
1595 | ||
1596 | next_test: | |
1597 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1598 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1599 | ||
1600 | done: | |
1601 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1602 | RD_REG_DWORD(®->iobase_window); | |
1603 | } | |
1604 | ||
9a853f71 AV |
1605 | /** |
1606 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1607 | * @irq: | |
1608 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1609 | * |
1610 | * Called by system whenever the host adapter generates an interrupt. | |
1611 | * | |
1612 | * Returns handled flag. | |
1613 | */ | |
1614 | irqreturn_t | |
7d12e780 | 1615 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 | 1616 | { |
e315cd28 AC |
1617 | scsi_qla_host_t *vha; |
1618 | struct qla_hw_data *ha; | |
9a853f71 AV |
1619 | struct device_reg_24xx __iomem *reg; |
1620 | int status; | |
9a853f71 AV |
1621 | unsigned long iter; |
1622 | uint32_t stat; | |
1623 | uint32_t hccr; | |
1624 | uint16_t mb[4]; | |
e315cd28 | 1625 | struct rsp_que *rsp; |
9a853f71 | 1626 | |
e315cd28 AC |
1627 | rsp = (struct rsp_que *) dev_id; |
1628 | if (!rsp) { | |
9a853f71 | 1629 | printk(KERN_INFO |
e315cd28 | 1630 | "%s(): NULL response queue pointer\n", __func__); |
9a853f71 AV |
1631 | return IRQ_NONE; |
1632 | } | |
1633 | ||
e315cd28 | 1634 | ha = rsp->hw; |
9a853f71 AV |
1635 | reg = &ha->iobase->isp24; |
1636 | status = 0; | |
1637 | ||
c6952483 | 1638 | spin_lock(&ha->hardware_lock); |
e315cd28 | 1639 | vha = qla2x00_get_rsp_host(rsp); |
9a853f71 AV |
1640 | for (iter = 50; iter--; ) { |
1641 | stat = RD_REG_DWORD(®->host_status); | |
1642 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1643 | if (pci_channel_offline(ha->pdev)) |
1644 | break; | |
1645 | ||
9a853f71 AV |
1646 | hccr = RD_REG_DWORD(®->hccr); |
1647 | ||
1648 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1649 | "Dumping firmware!\n", hccr); | |
05236a05 | 1650 | |
e315cd28 | 1651 | qla2xxx_check_risc_status(vha); |
05236a05 | 1652 | |
e315cd28 AC |
1653 | ha->isp_ops->fw_dump(vha, 1); |
1654 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
9a853f71 AV |
1655 | break; |
1656 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1657 | break; | |
1658 | ||
1659 | switch (stat & 0xff) { | |
1660 | case 0x1: | |
1661 | case 0x2: | |
1662 | case 0x10: | |
1663 | case 0x11: | |
e315cd28 | 1664 | qla24xx_mbx_completion(vha, MSW(stat)); |
9a853f71 AV |
1665 | status |= MBX_INTERRUPT; |
1666 | ||
1667 | break; | |
1668 | case 0x12: | |
1669 | mb[0] = MSW(stat); | |
1670 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1671 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1672 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1673 | qla2x00_async_event(vha, rsp, mb); |
9a853f71 AV |
1674 | break; |
1675 | case 0x13: | |
73208dfd AC |
1676 | case 0x14: |
1677 | qla24xx_process_response_queue(rsp); | |
9a853f71 AV |
1678 | break; |
1679 | default: | |
1680 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1681 | "(%d).\n", | |
e315cd28 | 1682 | vha->host_no, stat & 0xff)); |
9a853f71 AV |
1683 | break; |
1684 | } | |
1685 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1686 | RD_REG_DWORD_RELAXED(®->hccr); | |
1687 | } | |
c6952483 | 1688 | spin_unlock(&ha->hardware_lock); |
9a853f71 AV |
1689 | |
1690 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1691 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1692 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1693 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1694 | } |
1695 | ||
1696 | return IRQ_HANDLED; | |
1697 | } | |
1698 | ||
a8488abe AV |
1699 | static irqreturn_t |
1700 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1701 | { | |
e315cd28 AC |
1702 | struct qla_hw_data *ha; |
1703 | struct rsp_que *rsp; | |
a8488abe | 1704 | struct device_reg_24xx __iomem *reg; |
a8488abe | 1705 | |
e315cd28 AC |
1706 | rsp = (struct rsp_que *) dev_id; |
1707 | if (!rsp) { | |
1708 | printk(KERN_INFO | |
1709 | "%s(): NULL response queue pointer\n", __func__); | |
1710 | return IRQ_NONE; | |
1711 | } | |
1712 | ha = rsp->hw; | |
a8488abe AV |
1713 | reg = &ha->iobase->isp24; |
1714 | ||
0e973a24 | 1715 | spin_lock_irq(&ha->hardware_lock); |
a8488abe | 1716 | |
73208dfd | 1717 | qla24xx_process_response_queue(rsp); |
a8488abe | 1718 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1719 | |
0e973a24 | 1720 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1721 | |
1722 | return IRQ_HANDLED; | |
1723 | } | |
1724 | ||
73208dfd AC |
1725 | static irqreturn_t |
1726 | qla25xx_msix_rsp_q(int irq, void *dev_id) | |
1727 | { | |
1728 | struct qla_hw_data *ha; | |
1729 | struct rsp_que *rsp; | |
1730 | struct device_reg_24xx __iomem *reg; | |
73208dfd AC |
1731 | |
1732 | rsp = (struct rsp_que *) dev_id; | |
1733 | if (!rsp) { | |
1734 | printk(KERN_INFO | |
1735 | "%s(): NULL response queue pointer\n", __func__); | |
1736 | return IRQ_NONE; | |
1737 | } | |
1738 | ha = rsp->hw; | |
1739 | reg = &ha->iobase->isp24; | |
1740 | ||
1741 | spin_lock_irq(&ha->hardware_lock); | |
1742 | ||
73208dfd AC |
1743 | qla24xx_process_response_queue(rsp); |
1744 | ||
73208dfd AC |
1745 | spin_unlock_irq(&ha->hardware_lock); |
1746 | ||
1747 | return IRQ_HANDLED; | |
1748 | } | |
1749 | ||
a8488abe AV |
1750 | static irqreturn_t |
1751 | qla24xx_msix_default(int irq, void *dev_id) | |
1752 | { | |
e315cd28 AC |
1753 | scsi_qla_host_t *vha; |
1754 | struct qla_hw_data *ha; | |
1755 | struct rsp_que *rsp; | |
a8488abe AV |
1756 | struct device_reg_24xx __iomem *reg; |
1757 | int status; | |
a8488abe AV |
1758 | uint32_t stat; |
1759 | uint32_t hccr; | |
1760 | uint16_t mb[4]; | |
1761 | ||
e315cd28 AC |
1762 | rsp = (struct rsp_que *) dev_id; |
1763 | if (!rsp) { | |
1764 | DEBUG(printk( | |
1765 | "%s(): NULL response queue pointer\n", __func__)); | |
1766 | return IRQ_NONE; | |
1767 | } | |
1768 | ha = rsp->hw; | |
a8488abe AV |
1769 | reg = &ha->iobase->isp24; |
1770 | status = 0; | |
1771 | ||
0e973a24 | 1772 | spin_lock_irq(&ha->hardware_lock); |
e315cd28 | 1773 | vha = qla2x00_get_rsp_host(rsp); |
87f27015 | 1774 | do { |
a8488abe AV |
1775 | stat = RD_REG_DWORD(®->host_status); |
1776 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1777 | if (pci_channel_offline(ha->pdev)) |
1778 | break; | |
1779 | ||
a8488abe AV |
1780 | hccr = RD_REG_DWORD(®->hccr); |
1781 | ||
1782 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1783 | "Dumping firmware!\n", hccr); | |
05236a05 | 1784 | |
e315cd28 | 1785 | qla2xxx_check_risc_status(vha); |
05236a05 | 1786 | |
e315cd28 AC |
1787 | ha->isp_ops->fw_dump(vha, 1); |
1788 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
a8488abe AV |
1789 | break; |
1790 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1791 | break; | |
1792 | ||
1793 | switch (stat & 0xff) { | |
1794 | case 0x1: | |
1795 | case 0x2: | |
1796 | case 0x10: | |
1797 | case 0x11: | |
e315cd28 | 1798 | qla24xx_mbx_completion(vha, MSW(stat)); |
a8488abe AV |
1799 | status |= MBX_INTERRUPT; |
1800 | ||
1801 | break; | |
1802 | case 0x12: | |
1803 | mb[0] = MSW(stat); | |
1804 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1805 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1806 | mb[3] = RD_REG_WORD(®->mailbox3); | |
73208dfd | 1807 | qla2x00_async_event(vha, rsp, mb); |
a8488abe AV |
1808 | break; |
1809 | case 0x13: | |
73208dfd AC |
1810 | case 0x14: |
1811 | qla24xx_process_response_queue(rsp); | |
a8488abe AV |
1812 | break; |
1813 | default: | |
1814 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1815 | "(%d).\n", | |
e315cd28 | 1816 | vha->host_no, stat & 0xff)); |
a8488abe AV |
1817 | break; |
1818 | } | |
1819 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1820 | } while (0); |
0e973a24 | 1821 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1822 | |
1823 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1824 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1825 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1826 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1827 | } |
1828 | ||
1829 | return IRQ_HANDLED; | |
1830 | } | |
1831 | ||
1832 | /* Interrupt handling helpers. */ | |
1833 | ||
1834 | struct qla_init_msix_entry { | |
1835 | uint16_t entry; | |
1836 | uint16_t index; | |
1837 | const char *name; | |
476834c2 | 1838 | irq_handler_t handler; |
a8488abe AV |
1839 | }; |
1840 | ||
73208dfd AC |
1841 | static struct qla_init_msix_entry base_queue = { |
1842 | .entry = 0, | |
1843 | .index = 0, | |
1844 | .name = "qla2xxx (default)", | |
1845 | .handler = qla24xx_msix_default, | |
1846 | }; | |
1847 | ||
1848 | static struct qla_init_msix_entry base_rsp_queue = { | |
1849 | .entry = 1, | |
1850 | .index = 1, | |
1851 | .name = "qla2xxx (rsp_q)", | |
1852 | .handler = qla24xx_msix_rsp_q, | |
1853 | }; | |
a8488abe | 1854 | |
73208dfd AC |
1855 | static struct qla_init_msix_entry multi_rsp_queue = { |
1856 | .entry = 1, | |
1857 | .index = 1, | |
1858 | .name = "qla2xxx (multi_q)", | |
1859 | .handler = qla25xx_msix_rsp_q, | |
a8488abe AV |
1860 | }; |
1861 | ||
1862 | static void | |
e315cd28 | 1863 | qla24xx_disable_msix(struct qla_hw_data *ha) |
a8488abe AV |
1864 | { |
1865 | int i; | |
1866 | struct qla_msix_entry *qentry; | |
1867 | ||
73208dfd AC |
1868 | for (i = 0; i < ha->msix_count; i++) { |
1869 | qentry = &ha->msix_entries[i]; | |
a8488abe | 1870 | if (qentry->have_irq) |
73208dfd | 1871 | free_irq(qentry->vector, qentry->rsp); |
a8488abe AV |
1872 | } |
1873 | pci_disable_msix(ha->pdev); | |
73208dfd AC |
1874 | kfree(ha->msix_entries); |
1875 | ha->msix_entries = NULL; | |
1876 | ha->flags.msix_enabled = 0; | |
a8488abe AV |
1877 | } |
1878 | ||
1879 | static int | |
73208dfd | 1880 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe | 1881 | { |
ad038fa8 | 1882 | #define MIN_MSIX_COUNT 2 |
a8488abe | 1883 | int i, ret; |
73208dfd | 1884 | struct msix_entry *entries; |
a8488abe | 1885 | struct qla_msix_entry *qentry; |
73208dfd AC |
1886 | struct qla_init_msix_entry *msix_queue; |
1887 | ||
1888 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, | |
1889 | GFP_KERNEL); | |
1890 | if (!entries) | |
1891 | return -ENOMEM; | |
a8488abe | 1892 | |
73208dfd AC |
1893 | for (i = 0; i < ha->msix_count; i++) |
1894 | entries[i].entry = i; | |
a8488abe | 1895 | |
73208dfd | 1896 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
a8488abe | 1897 | if (ret) { |
ad038fa8 LC |
1898 | if (ret < MIN_MSIX_COUNT) |
1899 | goto msix_failed; | |
1900 | ||
a8488abe | 1901 | qla_printk(KERN_WARNING, ha, |
73208dfd AC |
1902 | "MSI-X: Failed to enable support -- %d/%d\n" |
1903 | " Retry with %d vectors\n", ha->msix_count, ret, ret); | |
1904 | ha->msix_count = ret; | |
1905 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); | |
1906 | if (ret) { | |
ad038fa8 | 1907 | msix_failed: |
73208dfd AC |
1908 | qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" |
1909 | " support, giving up -- %d/%d\n", | |
1910 | ha->msix_count, ret); | |
1911 | goto msix_out; | |
1912 | } | |
1913 | ha->max_queues = ha->msix_count - 1; | |
1914 | } | |
1915 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * | |
1916 | ha->msix_count, GFP_KERNEL); | |
1917 | if (!ha->msix_entries) { | |
1918 | ret = -ENOMEM; | |
a8488abe AV |
1919 | goto msix_out; |
1920 | } | |
1921 | ha->flags.msix_enabled = 1; | |
1922 | ||
73208dfd AC |
1923 | for (i = 0; i < ha->msix_count; i++) { |
1924 | qentry = &ha->msix_entries[i]; | |
1925 | qentry->vector = entries[i].vector; | |
1926 | qentry->entry = entries[i].entry; | |
a8488abe | 1927 | qentry->have_irq = 0; |
73208dfd | 1928 | qentry->rsp = NULL; |
a8488abe AV |
1929 | } |
1930 | ||
73208dfd AC |
1931 | /* Enable MSI-X for AENs for queue 0 */ |
1932 | qentry = &ha->msix_entries[0]; | |
1933 | ret = request_irq(qentry->vector, base_queue.handler, 0, | |
1934 | base_queue.name, rsp); | |
1935 | if (ret) { | |
1936 | qla_printk(KERN_WARNING, ha, | |
1937 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1938 | qentry->vector, ret); | |
1939 | qla24xx_disable_msix(ha); | |
1940 | goto msix_out; | |
1941 | } | |
1942 | qentry->have_irq = 1; | |
1943 | qentry->rsp = rsp; | |
1944 | ||
1945 | /* Enable MSI-X vector for response queue update for queue 0 */ | |
1946 | if (ha->max_queues > 1 && ha->mqiobase) { | |
1947 | ha->mqenable = 1; | |
1948 | msix_queue = &multi_rsp_queue; | |
1949 | qla_printk(KERN_INFO, ha, | |
1950 | "MQ enabled, Number of Queue Resources: %d \n", | |
1951 | ha->max_queues); | |
1952 | } else { | |
1953 | ha->mqenable = 0; | |
1954 | msix_queue = &base_rsp_queue; | |
1955 | } | |
1956 | ||
1957 | qentry = &ha->msix_entries[1]; | |
1958 | ret = request_irq(qentry->vector, msix_queue->handler, 0, | |
1959 | msix_queue->name, rsp); | |
1960 | if (ret) { | |
1961 | qla_printk(KERN_WARNING, ha, | |
1962 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1963 | qentry->vector, ret); | |
1964 | qla24xx_disable_msix(ha); | |
1965 | ha->mqenable = 0; | |
1966 | goto msix_out; | |
1967 | } | |
1968 | qentry->have_irq = 1; | |
1969 | qentry->rsp = rsp; | |
1970 | ||
a8488abe | 1971 | msix_out: |
73208dfd | 1972 | kfree(entries); |
a8488abe AV |
1973 | return ret; |
1974 | } | |
1975 | ||
1976 | int | |
73208dfd | 1977 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
a8488abe AV |
1978 | { |
1979 | int ret; | |
963b0fdd | 1980 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1981 | |
1982 | /* If possible, enable MSI-X. */ | |
3a03eb79 AV |
1983 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
1984 | !IS_QLA8432(ha) && !IS_QLA8001(ha)) | |
a8488abe AV |
1985 | goto skip_msix; |
1986 | ||
e315cd28 AC |
1987 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || |
1988 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe | 1989 | DEBUG2(qla_printk(KERN_WARNING, ha, |
e315cd28 AC |
1990 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", |
1991 | ha->pdev->revision, ha->fw_attributes)); | |
a8488abe AV |
1992 | |
1993 | goto skip_msix; | |
1994 | } | |
1995 | ||
da7429f9 AV |
1996 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1997 | (ha->pdev->subsystem_device == 0x7040 || | |
1998 | ha->pdev->subsystem_device == 0x7041 || | |
1999 | ha->pdev->subsystem_device == 0x1705)) { | |
2000 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
2001 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
2002 | ha->pdev->subsystem_vendor, | |
2003 | ha->pdev->subsystem_device)); | |
2004 | ||
2005 | goto skip_msi; | |
2006 | } | |
2007 | ||
73208dfd | 2008 | ret = qla24xx_enable_msix(ha, rsp); |
a8488abe AV |
2009 | if (!ret) { |
2010 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2011 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
2012 | ha->fw_attributes)); | |
963b0fdd | 2013 | goto clear_risc_ints; |
a8488abe AV |
2014 | } |
2015 | qla_printk(KERN_WARNING, ha, | |
2016 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
2017 | skip_msix: | |
cbedb601 | 2018 | |
3a03eb79 AV |
2019 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
2020 | !IS_QLA8001(ha)) | |
cbedb601 AV |
2021 | goto skip_msi; |
2022 | ||
2023 | ret = pci_enable_msi(ha->pdev); | |
2024 | if (!ret) { | |
2025 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
2026 | ha->flags.msi_enabled = 1; | |
2027 | } | |
2028 | skip_msi: | |
2029 | ||
fd34f556 | 2030 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
e315cd28 | 2031 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); |
963b0fdd | 2032 | if (ret) { |
a8488abe AV |
2033 | qla_printk(KERN_WARNING, ha, |
2034 | "Failed to reserve interrupt %d already in use.\n", | |
2035 | ha->pdev->irq); | |
963b0fdd AV |
2036 | goto fail; |
2037 | } | |
2038 | ha->flags.inta_enabled = 1; | |
963b0fdd AV |
2039 | clear_risc_ints: |
2040 | ||
3a03eb79 AV |
2041 | /* |
2042 | * FIXME: Noted that 8014s were being dropped during NK testing. | |
2043 | * Timing deltas during MSI-X/INTa transitions? | |
2044 | */ | |
2045 | if (IS_QLA81XX(ha)) | |
2046 | goto fail; | |
c6952483 | 2047 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
2048 | if (IS_FWI2_CAPABLE(ha)) { |
2049 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
2050 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
2051 | } else { | |
2052 | WRT_REG_WORD(®->isp.semaphore, 0); | |
2053 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
2054 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 2055 | } |
c6952483 | 2056 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 2057 | |
963b0fdd | 2058 | fail: |
a8488abe AV |
2059 | return ret; |
2060 | } | |
2061 | ||
2062 | void | |
e315cd28 | 2063 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
a8488abe | 2064 | { |
e315cd28 | 2065 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 2066 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
a8488abe AV |
2067 | |
2068 | if (ha->flags.msix_enabled) | |
2069 | qla24xx_disable_msix(ha); | |
cbedb601 | 2070 | else if (ha->flags.inta_enabled) { |
e315cd28 | 2071 | free_irq(ha->pdev->irq, rsp); |
cbedb601 AV |
2072 | pci_disable_msi(ha->pdev); |
2073 | } | |
a8488abe | 2074 | } |
e315cd28 AC |
2075 | |
2076 | static struct scsi_qla_host * | |
2077 | qla2x00_get_rsp_host(struct rsp_que *rsp) | |
2078 | { | |
2079 | srb_t *sp; | |
2080 | struct qla_hw_data *ha = rsp->hw; | |
2081 | struct scsi_qla_host *vha = NULL; | |
73208dfd AC |
2082 | struct sts_entry_24xx *pkt; |
2083 | struct req_que *req; | |
2084 | ||
2085 | if (rsp->id) { | |
2086 | pkt = (struct sts_entry_24xx *) rsp->ring_ptr; | |
2087 | req = rsp->req; | |
2088 | if (pkt && pkt->handle < MAX_OUTSTANDING_COMMANDS) { | |
2089 | sp = req->outstanding_cmds[pkt->handle]; | |
2090 | if (sp) | |
444786d7 | 2091 | vha = sp->fcport->vha; |
73208dfd | 2092 | } |
e315cd28 AC |
2093 | } |
2094 | if (!vha) | |
73208dfd | 2095 | /* handle it in base queue */ |
e315cd28 AC |
2096 | vha = pci_get_drvdata(ha->pdev); |
2097 | ||
2098 | return vha; | |
2099 | } | |
73208dfd AC |
2100 | |
2101 | int qla25xx_request_irq(struct rsp_que *rsp) | |
2102 | { | |
2103 | struct qla_hw_data *ha = rsp->hw; | |
2104 | struct qla_init_msix_entry *intr = &multi_rsp_queue; | |
2105 | struct qla_msix_entry *msix = rsp->msix; | |
2106 | int ret; | |
2107 | ||
2108 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); | |
2109 | if (ret) { | |
2110 | qla_printk(KERN_WARNING, ha, | |
2111 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
2112 | msix->vector, ret); | |
2113 | return ret; | |
2114 | } | |
2115 | msix->have_irq = 1; | |
2116 | msix->rsp = rsp; | |
2117 | return ret; | |
2118 | } |