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Commit | Line | Data |
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1da177e4 | 1 | /* |
fa90c54f AV |
2 | * QLogic Fibre Channel HBA Driver |
3 | * Copyright (c) 2003-2005 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); |
1da177e4 | 13 | static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t); |
9a853f71 | 14 | static void qla2x00_status_entry(scsi_qla_host_t *, void *); |
1da177e4 LT |
15 | static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); |
16 | static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *); | |
17 | static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *); | |
18 | ||
9a853f71 AV |
19 | static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *); |
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 LT |
32 | { |
33 | scsi_qla_host_t *ha; | |
3d71644c | 34 | struct device_reg_2xxx __iomem *reg; |
1da177e4 LT |
35 | int status; |
36 | unsigned long flags; | |
37 | unsigned long iter; | |
14e660e6 | 38 | uint16_t hccr; |
9a853f71 | 39 | uint16_t mb[4]; |
1da177e4 LT |
40 | |
41 | ha = (scsi_qla_host_t *) dev_id; | |
42 | if (!ha) { | |
43 | printk(KERN_INFO | |
44 | "%s(): NULL host pointer\n", __func__); | |
45 | return (IRQ_NONE); | |
46 | } | |
47 | ||
3d71644c | 48 | reg = &ha->iobase->isp; |
1da177e4 LT |
49 | status = 0; |
50 | ||
51 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
52 | for (iter = 50; iter--; ) { | |
14e660e6 SJ |
53 | hccr = RD_REG_WORD(®->hccr); |
54 | if (hccr & HCCR_RISC_PAUSE) { | |
55 | if (pci_channel_offline(ha->pdev)) | |
56 | break; | |
57 | ||
58 | /* | |
59 | * Issue a "HARD" reset in order for the RISC interrupt | |
60 | * bit to be cleared. Schedule a big hammmer to get | |
61 | * out of the RISC PAUSED state. | |
62 | */ | |
63 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
64 | RD_REG_WORD(®->hccr); | |
65 | ||
66 | ha->isp_ops->fw_dump(ha, 1); | |
67 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
68 | break; | |
69 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
70 | break; |
71 | ||
72 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
73 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
74 | RD_REG_WORD(®->hccr); | |
75 | ||
76 | /* Get mailbox data. */ | |
9a853f71 AV |
77 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
78 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
79 | qla2x00_mbx_completion(ha, mb[0]); | |
1da177e4 | 80 | status |= MBX_INTERRUPT; |
9a853f71 AV |
81 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
82 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
83 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
84 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
85 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
86 | } else { |
87 | /*EMPTY*/ | |
88 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 AV |
89 | "interrupt type (%d).\n", |
90 | ha->host_no, mb[0])); | |
1da177e4 LT |
91 | } |
92 | /* Release mailbox registers. */ | |
93 | WRT_REG_WORD(®->semaphore, 0); | |
94 | RD_REG_WORD(®->semaphore); | |
95 | } else { | |
96 | qla2x00_process_response_queue(ha); | |
97 | ||
98 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
99 | RD_REG_WORD(®->hccr); | |
100 | } | |
101 | } | |
102 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
103 | ||
1da177e4 LT |
104 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
105 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 LT |
106 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
107 | up(&ha->mbx_intr_sem); | |
1da177e4 LT |
108 | } |
109 | ||
1da177e4 LT |
110 | return (IRQ_HANDLED); |
111 | } | |
112 | ||
113 | /** | |
114 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
115 | * @irq: | |
116 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
117 | * |
118 | * Called by system whenever the host adapter generates an interrupt. | |
119 | * | |
120 | * Returns handled flag. | |
121 | */ | |
122 | irqreturn_t | |
7d12e780 | 123 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
124 | { |
125 | scsi_qla_host_t *ha; | |
3d71644c | 126 | struct device_reg_2xxx __iomem *reg; |
1da177e4 LT |
127 | int status; |
128 | unsigned long flags; | |
129 | unsigned long iter; | |
130 | uint32_t stat; | |
1da177e4 | 131 | uint16_t hccr; |
9a853f71 | 132 | uint16_t mb[4]; |
1da177e4 LT |
133 | |
134 | ha = (scsi_qla_host_t *) dev_id; | |
135 | if (!ha) { | |
136 | printk(KERN_INFO | |
137 | "%s(): NULL host pointer\n", __func__); | |
138 | return (IRQ_NONE); | |
139 | } | |
140 | ||
3d71644c | 141 | reg = &ha->iobase->isp; |
1da177e4 LT |
142 | status = 0; |
143 | ||
144 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
145 | for (iter = 50; iter--; ) { | |
146 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
147 | if (stat & HSR_RISC_PAUSED) { | |
14e660e6 SJ |
148 | if (pci_channel_offline(ha->pdev)) |
149 | break; | |
150 | ||
1da177e4 LT |
151 | hccr = RD_REG_WORD(®->hccr); |
152 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
153 | qla_printk(KERN_INFO, ha, "Parity error -- " |
154 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 155 | else |
07f31805 AV |
156 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
157 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
158 | |
159 | /* | |
160 | * Issue a "HARD" reset in order for the RISC | |
161 | * interrupt bit to be cleared. Schedule a big | |
162 | * hammmer to get out of the RISC PAUSED state. | |
163 | */ | |
164 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
165 | RD_REG_WORD(®->hccr); | |
07f31805 | 166 | |
fd34f556 | 167 | ha->isp_ops->fw_dump(ha, 1); |
1da177e4 LT |
168 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
169 | break; | |
170 | } else if ((stat & HSR_RISC_INT) == 0) | |
171 | break; | |
172 | ||
1da177e4 | 173 | switch (stat & 0xff) { |
1da177e4 LT |
174 | case 0x1: |
175 | case 0x2: | |
176 | case 0x10: | |
177 | case 0x11: | |
9a853f71 | 178 | qla2x00_mbx_completion(ha, MSW(stat)); |
1da177e4 LT |
179 | status |= MBX_INTERRUPT; |
180 | ||
181 | /* Release mailbox registers. */ | |
182 | WRT_REG_WORD(®->semaphore, 0); | |
183 | break; | |
184 | case 0x12: | |
9a853f71 AV |
185 | mb[0] = MSW(stat); |
186 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
187 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
188 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
189 | qla2x00_async_event(ha, mb); | |
190 | break; | |
191 | case 0x13: | |
192 | qla2x00_process_response_queue(ha); | |
1da177e4 LT |
193 | break; |
194 | case 0x15: | |
9a853f71 AV |
195 | mb[0] = MBA_CMPLT_1_16BIT; |
196 | mb[1] = MSW(stat); | |
197 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
198 | break; |
199 | case 0x16: | |
9a853f71 AV |
200 | mb[0] = MBA_SCSI_COMPLETION; |
201 | mb[1] = MSW(stat); | |
202 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
203 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
204 | break; |
205 | default: | |
206 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 207 | "(%d).\n", |
1da177e4 LT |
208 | ha->host_no, stat & 0xff)); |
209 | break; | |
210 | } | |
211 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
212 | RD_REG_WORD_RELAXED(®->hccr); | |
213 | } | |
214 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
215 | ||
1da177e4 LT |
216 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
217 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 LT |
218 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
219 | up(&ha->mbx_intr_sem); | |
1da177e4 LT |
220 | } |
221 | ||
1da177e4 LT |
222 | return (IRQ_HANDLED); |
223 | } | |
224 | ||
225 | /** | |
226 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
227 | * @ha: SCSI driver HA context | |
228 | * @mb0: Mailbox0 register | |
229 | */ | |
230 | static void | |
231 | qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
232 | { | |
233 | uint16_t cnt; | |
234 | uint16_t __iomem *wptr; | |
3d71644c | 235 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
236 | |
237 | /* Load return mailbox registers. */ | |
238 | ha->flags.mbox_int = 1; | |
239 | ha->mailbox_out[0] = mb0; | |
240 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
241 | ||
242 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 243 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
244 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
245 | if (cnt == 4 || cnt == 5) | |
246 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
247 | else | |
248 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 249 | |
1da177e4 LT |
250 | wptr++; |
251 | } | |
252 | ||
253 | if (ha->mcp) { | |
254 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
255 | __func__, ha->host_no, ha->mcp->mb[0])); | |
256 | } else { | |
257 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
258 | __func__, ha->host_no)); | |
259 | } | |
260 | } | |
261 | ||
262 | /** | |
263 | * qla2x00_async_event() - Process aynchronous events. | |
264 | * @ha: SCSI driver HA context | |
9a853f71 | 265 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 266 | */ |
2c3dfe3f | 267 | void |
9a853f71 | 268 | qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) |
1da177e4 | 269 | { |
9a853f71 | 270 | #define LS_UNKNOWN 2 |
c3a2f0df | 271 | static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; |
1da177e4 | 272 | char *link_speed; |
1da177e4 LT |
273 | uint16_t handle_cnt; |
274 | uint16_t cnt; | |
275 | uint32_t handles[5]; | |
3d71644c | 276 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
277 | uint32_t rscn_entry, host_pid; |
278 | uint8_t rscn_queue_index; | |
279 | ||
280 | /* Setup to process RIO completion. */ | |
281 | handle_cnt = 0; | |
1da177e4 LT |
282 | switch (mb[0]) { |
283 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 284 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
285 | handle_cnt = 1; |
286 | break; | |
287 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 288 | handles[0] = mb[1]; |
1da177e4 LT |
289 | handle_cnt = 1; |
290 | mb[0] = MBA_SCSI_COMPLETION; | |
291 | break; | |
292 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
293 | handles[0] = mb[1]; |
294 | handles[1] = mb[2]; | |
1da177e4 LT |
295 | handle_cnt = 2; |
296 | mb[0] = MBA_SCSI_COMPLETION; | |
297 | break; | |
298 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
299 | handles[0] = mb[1]; |
300 | handles[1] = mb[2]; | |
301 | handles[2] = mb[3]; | |
1da177e4 LT |
302 | handle_cnt = 3; |
303 | mb[0] = MBA_SCSI_COMPLETION; | |
304 | break; | |
305 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
306 | handles[0] = mb[1]; |
307 | handles[1] = mb[2]; | |
308 | handles[2] = mb[3]; | |
1da177e4 LT |
309 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
310 | handle_cnt = 4; | |
311 | mb[0] = MBA_SCSI_COMPLETION; | |
312 | break; | |
313 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
314 | handles[0] = mb[1]; |
315 | handles[1] = mb[2]; | |
316 | handles[2] = mb[3]; | |
1da177e4 LT |
317 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
318 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
319 | handle_cnt = 5; | |
320 | mb[0] = MBA_SCSI_COMPLETION; | |
321 | break; | |
322 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 323 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
324 | handles[1] = le32_to_cpu( |
325 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
326 | RD_MAILBOX_REG(ha, reg, 6)); | |
327 | handle_cnt = 2; | |
328 | mb[0] = MBA_SCSI_COMPLETION; | |
329 | break; | |
330 | default: | |
331 | break; | |
332 | } | |
333 | ||
334 | switch (mb[0]) { | |
335 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
336 | if (!ha->flags.online) | |
337 | break; | |
338 | ||
339 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
340 | qla2x00_process_completed_request(ha, handles[cnt]); | |
341 | break; | |
342 | ||
343 | case MBA_RESET: /* Reset */ | |
344 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no)); | |
345 | ||
346 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
347 | break; | |
348 | ||
349 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
350 | qla_printk(KERN_INFO, ha, |
351 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
352 | mb[1], mb[2], mb[3]); | |
353 | ||
fd34f556 | 354 | ha->isp_ops->fw_dump(ha, 1); |
1da177e4 | 355 | |
e428924c | 356 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
357 | if (mb[1] == 0 && mb[2] == 0) { |
358 | qla_printk(KERN_ERR, ha, | |
359 | "Unrecoverable Hardware Error: adapter " | |
360 | "marked OFFLINE!\n"); | |
361 | ha->flags.online = 0; | |
362 | } else | |
363 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
364 | } else if (mb[1] == 0) { | |
1da177e4 LT |
365 | qla_printk(KERN_INFO, ha, |
366 | "Unrecoverable Hardware Error: adapter marked " | |
367 | "OFFLINE!\n"); | |
368 | ha->flags.online = 0; | |
369 | } else | |
370 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
371 | break; | |
372 | ||
373 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
374 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
375 | ha->host_no)); | |
376 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); | |
377 | ||
378 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
379 | break; | |
380 | ||
381 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
382 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
383 | ha->host_no)); | |
384 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); | |
385 | ||
386 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
387 | break; | |
388 | ||
389 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
390 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
391 | ha->host_no)); | |
392 | break; | |
393 | ||
394 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
1da177e4 LT |
395 | DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no, |
396 | mb[1])); | |
397 | qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]); | |
398 | ||
399 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
400 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
401 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 402 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
403 | } |
404 | ||
2c3dfe3f SJ |
405 | if (ha->parent) { |
406 | atomic_set(&ha->vp_state, VP_FAILED); | |
407 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
408 | } | |
409 | ||
1da177e4 LT |
410 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); |
411 | ||
412 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
413 | break; |
414 | ||
415 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
416 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
417 | link_speed = link_speeds[0]; | |
d8b45213 | 418 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 419 | } else { |
9a853f71 | 420 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
421 | if (mb[1] < 5) |
422 | link_speed = link_speeds[mb[1]]; | |
423 | ha->link_data_rate = mb[1]; | |
424 | } | |
425 | ||
426 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
427 | ha->host_no, link_speed)); | |
428 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", | |
429 | link_speed); | |
430 | ||
431 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
432 | break; |
433 | ||
434 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
9a853f71 AV |
435 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n", |
436 | ha->host_no, mb[1])); | |
437 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]); | |
1da177e4 LT |
438 | |
439 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
440 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
441 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
442 | ha->device_flags |= DFLG_NO_CABLE; | |
d97994dc | 443 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
444 | } |
445 | ||
2c3dfe3f SJ |
446 | if (ha->parent) { |
447 | atomic_set(&ha->vp_state, VP_FAILED); | |
448 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
449 | } | |
450 | ||
1da177e4 | 451 | ha->flags.management_server_logged_in = 0; |
d8b45213 | 452 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
cca5335c AV |
453 | if (ql2xfdmienable) |
454 | set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); | |
1da177e4 LT |
455 | break; |
456 | ||
457 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 LT |
458 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
459 | ha->host_no, mb[1])); | |
460 | qla_printk(KERN_INFO, ha, | |
461 | "LIP reset occured (%x).\n", mb[1]); | |
462 | ||
463 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
464 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
465 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 466 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
467 | } |
468 | ||
2c3dfe3f SJ |
469 | if (ha->parent) { |
470 | atomic_set(&ha->vp_state, VP_FAILED); | |
471 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
472 | } | |
473 | ||
1da177e4 LT |
474 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
475 | ||
476 | ha->operating_mode = LOOP; | |
477 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
478 | break; |
479 | ||
480 | case MBA_POINT_TO_POINT: /* Point-to-Point */ | |
481 | if (IS_QLA2100(ha)) | |
482 | break; | |
483 | ||
484 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n", | |
485 | ha->host_no)); | |
486 | ||
487 | /* | |
488 | * Until there's a transition from loop down to loop up, treat | |
489 | * this as loop down only. | |
490 | */ | |
491 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
492 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
493 | if (!atomic_read(&ha->loop_down_timer)) | |
494 | atomic_set(&ha->loop_down_timer, | |
495 | LOOP_DOWN_TIME); | |
d97994dc | 496 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
497 | } |
498 | ||
2c3dfe3f SJ |
499 | if (ha->parent) { |
500 | atomic_set(&ha->vp_state, VP_FAILED); | |
501 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
502 | } | |
503 | ||
1da177e4 LT |
504 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { |
505 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
506 | } | |
507 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); | |
4346b149 AV |
508 | |
509 | ha->flags.gpsc_supported = 1; | |
02d638b4 | 510 | ha->flags.management_server_logged_in = 0; |
1da177e4 LT |
511 | break; |
512 | ||
513 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
514 | if (IS_QLA2100(ha)) | |
515 | break; | |
516 | ||
1da177e4 LT |
517 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
518 | "received.\n", | |
519 | ha->host_no)); | |
520 | qla_printk(KERN_INFO, ha, | |
521 | "Configuration change detected: value=%x.\n", mb[1]); | |
522 | ||
523 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
fa2a1ce5 | 524 | atomic_set(&ha->loop_state, LOOP_DOWN); |
1da177e4 LT |
525 | if (!atomic_read(&ha->loop_down_timer)) |
526 | atomic_set(&ha->loop_down_timer, | |
527 | LOOP_DOWN_TIME); | |
d97994dc | 528 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
529 | } |
530 | ||
2c3dfe3f SJ |
531 | if (ha->parent) { |
532 | atomic_set(&ha->vp_state, VP_FAILED); | |
533 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
534 | } | |
535 | ||
1da177e4 LT |
536 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
537 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
538 | break; | |
539 | ||
540 | case MBA_PORT_UPDATE: /* Port database update */ | |
1da177e4 LT |
541 | /* |
542 | * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET | |
543 | * event etc. earlier indicating loop is down) then process | |
544 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
545 | */ | |
546 | atomic_set(&ha->loop_down_timer, 0); | |
547 | if (atomic_read(&ha->loop_state) != LOOP_DOWN && | |
548 | atomic_read(&ha->loop_state) != LOOP_DEAD) { | |
549 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " | |
9a853f71 AV |
550 | "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1], |
551 | mb[2], mb[3])); | |
1da177e4 LT |
552 | break; |
553 | } | |
554 | ||
555 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
556 | ha->host_no)); | |
557 | DEBUG(printk(KERN_INFO | |
9a853f71 AV |
558 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
559 | ha->host_no, mb[1], mb[2], mb[3])); | |
1da177e4 LT |
560 | |
561 | /* | |
562 | * Mark all devices as missing so we will login again. | |
563 | */ | |
564 | atomic_set(&ha->loop_state, LOOP_UP); | |
565 | ||
d97994dc | 566 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
567 | |
568 | ha->flags.rscn_queue_overflow = 1; | |
569 | ||
570 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
571 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
572 | break; |
573 | ||
574 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
2c3dfe3f SJ |
575 | /* Check if the Vport has issued a SCR */ |
576 | if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags)) | |
577 | break; | |
578 | ||
1da177e4 LT |
579 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
580 | ha->host_no)); | |
581 | DEBUG(printk(KERN_INFO | |
582 | "scsi(%ld): RSCN database changed -- %04x %04x.\n", | |
583 | ha->host_no, mb[1], mb[2])); | |
584 | ||
585 | rscn_entry = (mb[1] << 16) | mb[2]; | |
586 | host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) | | |
587 | ha->d_id.b.al_pa; | |
588 | if (rscn_entry == host_pid) { | |
589 | DEBUG(printk(KERN_INFO | |
590 | "scsi(%ld): Ignoring RSCN update to local host " | |
591 | "port ID (%06x)\n", | |
592 | ha->host_no, host_pid)); | |
593 | break; | |
594 | } | |
595 | ||
596 | rscn_queue_index = ha->rscn_in_ptr + 1; | |
597 | if (rscn_queue_index == MAX_RSCN_COUNT) | |
598 | rscn_queue_index = 0; | |
599 | if (rscn_queue_index != ha->rscn_out_ptr) { | |
600 | ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry; | |
601 | ha->rscn_in_ptr = rscn_queue_index; | |
602 | } else { | |
603 | ha->flags.rscn_queue_overflow = 1; | |
604 | } | |
605 | ||
606 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
607 | atomic_set(&ha->loop_down_timer, 0); | |
608 | ha->flags.management_server_logged_in = 0; | |
609 | ||
610 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
611 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
612 | break; |
613 | ||
614 | /* case MBA_RIO_RESPONSE: */ | |
615 | case MBA_ZIO_RESPONSE: | |
616 | DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n", | |
617 | ha->host_no)); | |
618 | DEBUG(printk(KERN_INFO | |
619 | "scsi(%ld): [R|Z]IO update completion.\n", | |
620 | ha->host_no)); | |
621 | ||
e428924c | 622 | if (IS_FWI2_CAPABLE(ha)) |
4fdfefe5 AV |
623 | qla24xx_process_response_queue(ha); |
624 | else | |
625 | qla2x00_process_response_queue(ha); | |
1da177e4 | 626 | break; |
9a853f71 AV |
627 | |
628 | case MBA_DISCARD_RND_FRAME: | |
629 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
630 | "%04x.\n", ha->host_no, mb[1], mb[2], mb[3])); | |
631 | break; | |
45ebeb56 AV |
632 | |
633 | case MBA_TRACE_NOTIFICATION: | |
634 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
635 | ha->host_no, mb[1], mb[2])); | |
636 | break; | |
1da177e4 | 637 | } |
2c3dfe3f SJ |
638 | |
639 | if (!ha->parent && ha->num_vhosts) | |
640 | qla2x00_alert_all_vps(ha, mb); | |
1da177e4 LT |
641 | } |
642 | ||
df7baa50 AV |
643 | static void |
644 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
645 | { | |
646 | fc_port_t *fcport = data; | |
647 | ||
648 | if (fcport->ha->max_q_depth <= sdev->queue_depth) | |
649 | return; | |
650 | ||
651 | if (sdev->ordered_tags) | |
652 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
653 | sdev->queue_depth + 1); | |
654 | else | |
655 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
656 | sdev->queue_depth + 1); | |
657 | ||
658 | fcport->last_ramp_up = jiffies; | |
659 | ||
660 | DEBUG2(qla_printk(KERN_INFO, fcport->ha, | |
661 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", | |
662 | fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun, | |
663 | sdev->queue_depth)); | |
664 | } | |
665 | ||
666 | static void | |
667 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
668 | { | |
669 | fc_port_t *fcport = data; | |
670 | ||
671 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
672 | return; | |
673 | ||
674 | DEBUG2(qla_printk(KERN_INFO, fcport->ha, | |
675 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", | |
676 | fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun, | |
677 | sdev->queue_depth)); | |
678 | } | |
679 | ||
680 | static inline void | |
681 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *ha, srb_t *sp) | |
682 | { | |
683 | fc_port_t *fcport; | |
684 | struct scsi_device *sdev; | |
685 | ||
686 | sdev = sp->cmd->device; | |
687 | if (sdev->queue_depth >= ha->max_q_depth) | |
688 | return; | |
689 | ||
690 | fcport = sp->fcport; | |
691 | if (time_before(jiffies, | |
692 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
693 | return; | |
694 | if (time_before(jiffies, | |
695 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
696 | return; | |
697 | ||
df7baa50 AV |
698 | starget_for_each_device(sdev->sdev_target, fcport, |
699 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
700 | } |
701 | ||
1da177e4 LT |
702 | /** |
703 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
704 | * @ha: SCSI driver HA context | |
705 | * @index: SRB index | |
706 | */ | |
707 | static void | |
708 | qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index) | |
709 | { | |
710 | srb_t *sp; | |
711 | ||
712 | /* Validate handle. */ | |
713 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
714 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
715 | ha->host_no, index)); | |
716 | qla_printk(KERN_WARNING, ha, | |
717 | "Invalid SCSI completion handle %d.\n", index); | |
718 | ||
719 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
720 | return; | |
721 | } | |
722 | ||
723 | sp = ha->outstanding_cmds[index]; | |
724 | if (sp) { | |
725 | /* Free outstanding command slot. */ | |
726 | ha->outstanding_cmds[index] = NULL; | |
727 | ||
1da177e4 LT |
728 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
729 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
730 | ||
731 | /* Save ISP completion status */ | |
732 | sp->cmd->result = DID_OK << 16; | |
df7baa50 AV |
733 | |
734 | qla2x00_ramp_up_queue_depth(ha, sp); | |
f4f051eb | 735 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
736 | } else { |
737 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
738 | ha->host_no)); | |
739 | qla_printk(KERN_WARNING, ha, | |
740 | "Invalid ISP SCSI completion handle\n"); | |
741 | ||
742 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
743 | } | |
744 | } | |
745 | ||
746 | /** | |
747 | * qla2x00_process_response_queue() - Process response queue entries. | |
748 | * @ha: SCSI driver HA context | |
749 | */ | |
750 | void | |
751 | qla2x00_process_response_queue(struct scsi_qla_host *ha) | |
752 | { | |
3d71644c | 753 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
754 | sts_entry_t *pkt; |
755 | uint16_t handle_cnt; | |
756 | uint16_t cnt; | |
757 | ||
758 | if (!ha->flags.online) | |
759 | return; | |
760 | ||
761 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
762 | pkt = (sts_entry_t *)ha->response_ring_ptr; | |
763 | ||
764 | ha->rsp_ring_index++; | |
765 | if (ha->rsp_ring_index == ha->response_q_length) { | |
766 | ha->rsp_ring_index = 0; | |
767 | ha->response_ring_ptr = ha->response_ring; | |
768 | } else { | |
769 | ha->response_ring_ptr++; | |
770 | } | |
771 | ||
772 | if (pkt->entry_status != 0) { | |
773 | DEBUG3(printk(KERN_INFO | |
774 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
775 | ||
776 | qla2x00_error_entry(ha, pkt); | |
777 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
778 | wmb(); | |
779 | continue; | |
780 | } | |
781 | ||
782 | switch (pkt->entry_type) { | |
783 | case STATUS_TYPE: | |
784 | qla2x00_status_entry(ha, pkt); | |
785 | break; | |
786 | case STATUS_TYPE_21: | |
787 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
788 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
789 | qla2x00_process_completed_request(ha, | |
790 | ((sts21_entry_t *)pkt)->handle[cnt]); | |
791 | } | |
792 | break; | |
793 | case STATUS_TYPE_22: | |
794 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
795 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
796 | qla2x00_process_completed_request(ha, | |
797 | ((sts22_entry_t *)pkt)->handle[cnt]); | |
798 | } | |
799 | break; | |
800 | case STATUS_CONT_TYPE: | |
801 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
802 | break; | |
803 | case MS_IOCB_TYPE: | |
804 | qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt); | |
805 | break; | |
1da177e4 LT |
806 | default: |
807 | /* Type Not Supported. */ | |
808 | DEBUG4(printk(KERN_WARNING | |
809 | "scsi(%ld): Received unknown response pkt type %x " | |
810 | "entry status=%x.\n", | |
811 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
812 | break; | |
813 | } | |
814 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
815 | wmb(); | |
816 | } | |
817 | ||
818 | /* Adjust ring index */ | |
819 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index); | |
820 | } | |
821 | ||
822 | /** | |
823 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
824 | * @ha: SCSI driver HA context | |
825 | * @pkt: Entry pointer | |
826 | */ | |
827 | static void | |
9a853f71 | 828 | qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) |
1da177e4 | 829 | { |
1da177e4 | 830 | srb_t *sp; |
1da177e4 LT |
831 | fc_port_t *fcport; |
832 | struct scsi_cmnd *cp; | |
9a853f71 AV |
833 | sts_entry_t *sts; |
834 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
835 | uint16_t comp_status; |
836 | uint16_t scsi_status; | |
837 | uint8_t lscsi_status; | |
838 | int32_t resid; | |
ed17c71b | 839 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 AV |
840 | uint8_t *rsp_info, *sense_data; |
841 | ||
842 | sts = (sts_entry_t *) pkt; | |
843 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 844 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
845 | comp_status = le16_to_cpu(sts24->comp_status); |
846 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
847 | } else { | |
848 | comp_status = le16_to_cpu(sts->comp_status); | |
849 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
850 | } | |
1da177e4 LT |
851 | |
852 | /* Fast path completion. */ | |
9a853f71 AV |
853 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
854 | qla2x00_process_completed_request(ha, sts->handle); | |
1da177e4 LT |
855 | |
856 | return; | |
857 | } | |
858 | ||
859 | /* Validate handle. */ | |
9a853f71 AV |
860 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
861 | sp = ha->outstanding_cmds[sts->handle]; | |
862 | ha->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
863 | } else |
864 | sp = NULL; | |
865 | ||
866 | if (sp == NULL) { | |
867 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
868 | ha->host_no)); | |
869 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); | |
870 | ||
871 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 872 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
873 | return; |
874 | } | |
875 | cp = sp->cmd; | |
876 | if (cp == NULL) { | |
877 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
75bc4190 | 878 | "pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp)); |
1da177e4 LT |
879 | qla_printk(KERN_WARNING, ha, |
880 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
881 | ||
882 | return; | |
883 | } | |
884 | ||
9a853f71 AV |
885 | lscsi_status = scsi_status & STATUS_MASK; |
886 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
887 | CMD_COMPL_STATUS(cp) = comp_status; |
888 | CMD_SCSI_STATUS(cp) = scsi_status; | |
889 | ||
bdf79621 | 890 | fcport = sp->fcport; |
1da177e4 | 891 | |
ed17c71b | 892 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 893 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
894 | sense_len = le32_to_cpu(sts24->sense_len); |
895 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
896 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 897 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
898 | rsp_info = sts24->data; |
899 | sense_data = sts24->data; | |
900 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
901 | } else { | |
902 | sense_len = le16_to_cpu(sts->req_sense_length); | |
903 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
904 | resid_len = le32_to_cpu(sts->residual_length); | |
905 | rsp_info = sts->rsp_info; | |
906 | sense_data = sts->req_sense_data; | |
907 | } | |
908 | ||
1da177e4 LT |
909 | /* Check for any FCP transport errors. */ |
910 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 911 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 912 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
913 | sense_data += rsp_info_len; |
914 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
915 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
916 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
9a853f71 AV |
917 | "retrying command\n", ha->host_no, |
918 | cp->device->channel, cp->device->id, | |
919 | cp->device->lun, rsp_info_len, rsp_info[0], | |
920 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
921 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
922 | |
923 | cp->result = DID_BUS_BUSY << 16; | |
f4f051eb | 924 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
925 | return; |
926 | } | |
927 | } | |
928 | ||
929 | /* | |
930 | * Based on Host and scsi status generate status code for Linux | |
931 | */ | |
932 | switch (comp_status) { | |
933 | case CS_COMPLETE: | |
df7baa50 | 934 | case CS_QUEUE_FULL: |
1da177e4 LT |
935 | if (scsi_status == 0) { |
936 | cp->result = DID_OK << 16; | |
937 | break; | |
938 | } | |
939 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 940 | resid = resid_len; |
385d70b4 | 941 | scsi_set_resid(cp, resid); |
1da177e4 | 942 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
943 | |
944 | if (!lscsi_status && | |
385d70b4 | 945 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
946 | cp->underflow)) { |
947 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
948 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
949 | "detected (%x of %x bytes)...returning " | |
950 | "error status.\n", ha->host_no, | |
951 | cp->device->channel, cp->device->id, | |
952 | cp->device->lun, resid, | |
953 | scsi_bufflen(cp)); | |
0da69df1 AV |
954 | |
955 | cp->result = DID_ERROR << 16; | |
956 | break; | |
957 | } | |
1da177e4 | 958 | } |
1da177e4 LT |
959 | cp->result = DID_OK << 16 | lscsi_status; |
960 | ||
df7baa50 AV |
961 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
962 | DEBUG2(printk(KERN_INFO | |
963 | "scsi(%ld): QUEUE FULL status detected " | |
964 | "0x%x-0x%x.\n", ha->host_no, comp_status, | |
965 | scsi_status)); | |
966 | ||
967 | /* Adjust queue depth for all luns on the port. */ | |
968 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
969 | starget_for_each_device(cp->device->sdev_target, |
970 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
971 | break; |
972 | } | |
1da177e4 LT |
973 | if (lscsi_status != SS_CHECK_CONDITION) |
974 | break; | |
975 | ||
9a853f71 | 976 | /* Copy Sense Data into sense buffer. */ |
1da177e4 LT |
977 | memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); |
978 | ||
979 | if (!(scsi_status & SS_SENSE_LEN_VALID)) | |
980 | break; | |
981 | ||
9a853f71 AV |
982 | if (sense_len >= sizeof(cp->sense_buffer)) |
983 | sense_len = sizeof(cp->sense_buffer); | |
1da177e4 | 984 | |
9a853f71 AV |
985 | CMD_ACTUAL_SNSLEN(cp) = sense_len; |
986 | sp->request_sense_length = sense_len; | |
1da177e4 LT |
987 | sp->request_sense_ptr = cp->sense_buffer; |
988 | ||
989 | if (sp->request_sense_length > 32) | |
9a853f71 | 990 | sense_len = 32; |
1da177e4 | 991 | |
9a853f71 | 992 | memcpy(cp->sense_buffer, sense_data, sense_len); |
1da177e4 | 993 | |
9a853f71 AV |
994 | sp->request_sense_ptr += sense_len; |
995 | sp->request_sense_length -= sense_len; | |
1da177e4 LT |
996 | if (sp->request_sense_length != 0) |
997 | ha->status_srb = sp; | |
998 | ||
1da177e4 | 999 | DEBUG5(printk("%s(): Check condition Sense data, " |
9a853f71 AV |
1000 | "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__, |
1001 | ha->host_no, cp->device->channel, cp->device->id, | |
1002 | cp->device->lun, cp, cp->serial_number)); | |
1003 | if (sense_len) | |
1da177e4 LT |
1004 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, |
1005 | CMD_ACTUAL_SNSLEN(cp))); | |
1006 | break; | |
1007 | ||
1008 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1009 | resid = resid_len; |
ed17c71b | 1010 | /* Use F/W calculated residual length. */ |
6acf8190 AV |
1011 | if (IS_FWI2_CAPABLE(ha)) { |
1012 | if (scsi_status & SS_RESIDUAL_UNDER && | |
1013 | resid != fw_resid_len) { | |
1014 | scsi_status &= ~SS_RESIDUAL_UNDER; | |
1015 | lscsi_status = 0; | |
1016 | } | |
ed17c71b | 1017 | resid = fw_resid_len; |
6acf8190 | 1018 | } |
ed17c71b | 1019 | |
1da177e4 | 1020 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1021 | scsi_set_resid(cp, resid); |
1da177e4 | 1022 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1023 | } else { |
1024 | DEBUG2(printk(KERN_INFO | |
1025 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b RA |
1026 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
1027 | "os_underflow=0x%x\n", ha->host_no, | |
1028 | cp->device->id, cp->device->lun, comp_status, | |
1029 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1030 | cp->underflow)); | |
e038a1be | 1031 | |
1da177e4 LT |
1032 | } |
1033 | ||
1034 | /* | |
fa2a1ce5 | 1035 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1036 | * Status. |
1037 | */ | |
1038 | if (lscsi_status != 0) { | |
1da177e4 LT |
1039 | cp->result = DID_OK << 16 | lscsi_status; |
1040 | ||
ffec28a3 AV |
1041 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1042 | DEBUG2(printk(KERN_INFO | |
1043 | "scsi(%ld): QUEUE FULL status detected " | |
1044 | "0x%x-0x%x.\n", ha->host_no, comp_status, | |
1045 | scsi_status)); | |
1046 | ||
1047 | /* | |
1048 | * Adjust queue depth for all luns on the | |
1049 | * port. | |
1050 | */ | |
1051 | fcport->last_queue_full = jiffies; | |
1052 | starget_for_each_device( | |
1053 | cp->device->sdev_target, fcport, | |
1054 | qla2x00_adjust_sdev_qdepth_down); | |
1055 | break; | |
1056 | } | |
1da177e4 LT |
1057 | if (lscsi_status != SS_CHECK_CONDITION) |
1058 | break; | |
1059 | ||
1060 | /* Copy Sense Data into sense buffer */ | |
1061 | memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); | |
1062 | ||
1063 | if (!(scsi_status & SS_SENSE_LEN_VALID)) | |
1064 | break; | |
1065 | ||
9a853f71 AV |
1066 | if (sense_len >= sizeof(cp->sense_buffer)) |
1067 | sense_len = sizeof(cp->sense_buffer); | |
1da177e4 | 1068 | |
9a853f71 AV |
1069 | CMD_ACTUAL_SNSLEN(cp) = sense_len; |
1070 | sp->request_sense_length = sense_len; | |
1da177e4 LT |
1071 | sp->request_sense_ptr = cp->sense_buffer; |
1072 | ||
fa2a1ce5 | 1073 | if (sp->request_sense_length > 32) |
9a853f71 | 1074 | sense_len = 32; |
1da177e4 | 1075 | |
9a853f71 | 1076 | memcpy(cp->sense_buffer, sense_data, sense_len); |
1da177e4 | 1077 | |
9a853f71 AV |
1078 | sp->request_sense_ptr += sense_len; |
1079 | sp->request_sense_length -= sense_len; | |
1da177e4 LT |
1080 | if (sp->request_sense_length != 0) |
1081 | ha->status_srb = sp; | |
1082 | ||
1da177e4 LT |
1083 | DEBUG5(printk("%s(): Check condition Sense data, " |
1084 | "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", | |
9a853f71 AV |
1085 | __func__, ha->host_no, cp->device->channel, |
1086 | cp->device->id, cp->device->lun, cp, | |
1da177e4 | 1087 | cp->serial_number)); |
9a853f71 | 1088 | |
8084fe16 SS |
1089 | /* |
1090 | * In case of a Underrun condition, set both the lscsi | |
1091 | * status and the completion status to appropriate | |
1092 | * values. | |
1093 | */ | |
1094 | if (resid && | |
4b39c1d9 | 1095 | ((unsigned)(scsi_bufflen(cp) - resid) < |
8084fe16 SS |
1096 | cp->underflow)) { |
1097 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1098 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " | |
1099 | "detected (%x of %x bytes)...returning " | |
1100 | "error status.\n", ha->host_no, | |
1101 | cp->device->channel, cp->device->id, | |
1102 | cp->device->lun, resid, | |
4b39c1d9 | 1103 | scsi_bufflen(cp))); |
8084fe16 SS |
1104 | |
1105 | cp->result = DID_ERROR << 16 | lscsi_status; | |
1106 | } | |
1107 | ||
9a853f71 | 1108 | if (sense_len) |
1da177e4 LT |
1109 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, |
1110 | CMD_ACTUAL_SNSLEN(cp))); | |
1111 | } else { | |
1112 | /* | |
1113 | * If RISC reports underrun and target does not report | |
1114 | * it then we must have a lost frame, so tell upper | |
1115 | * layer to retry it by reporting a bus busy. | |
1116 | */ | |
1117 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1118 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 FT |
1119 | "frame(s) detected (%x of %x bytes)..." |
1120 | "retrying command.\n", ha->host_no, | |
1121 | cp->device->channel, cp->device->id, | |
1122 | cp->device->lun, resid, | |
1123 | scsi_bufflen(cp))); | |
1da177e4 LT |
1124 | |
1125 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1126 | break; |
1127 | } | |
1128 | ||
1129 | /* Handle mid-layer underflow */ | |
385d70b4 | 1130 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1131 | cp->underflow) { |
1132 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1133 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1134 | "detected (%x of %x bytes)...returning " | |
1135 | "error status.\n", ha->host_no, | |
1136 | cp->device->channel, cp->device->id, | |
1137 | cp->device->lun, resid, | |
1138 | scsi_bufflen(cp)); | |
1da177e4 LT |
1139 | |
1140 | cp->result = DID_ERROR << 16; | |
1141 | break; | |
1142 | } | |
1143 | ||
1144 | /* Everybody online, looking good... */ | |
1145 | cp->result = DID_OK << 16; | |
1146 | } | |
1147 | break; | |
1148 | ||
1149 | case CS_DATA_OVERRUN: | |
1150 | DEBUG2(printk(KERN_INFO | |
1151 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
9a853f71 AV |
1152 | ha->host_no, cp->device->id, cp->device->lun, comp_status, |
1153 | scsi_status)); | |
1da177e4 LT |
1154 | DEBUG2(printk(KERN_INFO |
1155 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1156 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1157 | cp->cmnd[4], cp->cmnd[5])); | |
1158 | DEBUG2(printk(KERN_INFO | |
1159 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1160 | "status!\n", | |
385d70b4 | 1161 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1162 | |
1163 | cp->result = DID_ERROR << 16; | |
1164 | break; | |
1165 | ||
1166 | case CS_PORT_LOGGED_OUT: | |
1167 | case CS_PORT_CONFIG_CHG: | |
1168 | case CS_PORT_BUSY: | |
1169 | case CS_INCOMPLETE: | |
1170 | case CS_PORT_UNAVAILABLE: | |
1171 | /* | |
1172 | * If the port is in Target Down state, return all IOs for this | |
1173 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1174 | * retry_queue. | |
1175 | */ | |
1da177e4 LT |
1176 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1177 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
9a853f71 AV |
1178 | ha->host_no, cp->device->id, cp->device->lun, |
1179 | cp->serial_number, comp_status, | |
1da177e4 LT |
1180 | atomic_read(&fcport->state))); |
1181 | ||
f4f051eb | 1182 | cp->result = DID_BUS_BUSY << 16; |
1da177e4 | 1183 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
d97994dc | 1184 | qla2x00_mark_device_lost(ha, fcport, 1, 1); |
1da177e4 | 1185 | } |
1da177e4 LT |
1186 | break; |
1187 | ||
1188 | case CS_RESET: | |
1189 | DEBUG2(printk(KERN_INFO | |
1190 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
1191 | ha->host_no, comp_status, scsi_status)); | |
1192 | ||
f4f051eb | 1193 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1194 | break; |
1195 | ||
1196 | case CS_ABORTED: | |
fa2a1ce5 | 1197 | /* |
1da177e4 LT |
1198 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1199 | * aborted this request then abort otherwise it must be a | |
1200 | * reset. | |
1201 | */ | |
1202 | DEBUG2(printk(KERN_INFO | |
1203 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
1204 | ha->host_no, comp_status, scsi_status)); | |
1205 | ||
1206 | cp->result = DID_RESET << 16; | |
1207 | break; | |
1208 | ||
1209 | case CS_TIMEOUT: | |
9a853f71 AV |
1210 | cp->result = DID_BUS_BUSY << 16; |
1211 | ||
e428924c | 1212 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1213 | DEBUG2(printk(KERN_INFO |
1214 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
1215 | "0x%x-0x%x\n", ha->host_no, cp->device->channel, | |
1216 | cp->device->id, cp->device->lun, comp_status, | |
1217 | scsi_status)); | |
1218 | break; | |
1219 | } | |
1da177e4 LT |
1220 | DEBUG2(printk(KERN_INFO |
1221 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
9a853f71 AV |
1222 | "sflags=%x.\n", ha->host_no, cp->device->channel, |
1223 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
1224 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1225 | |
9a853f71 AV |
1226 | /* Check to see if logout occurred. */ |
1227 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
d97994dc | 1228 | qla2x00_mark_device_lost(ha, fcport, 1, 1); |
1da177e4 LT |
1229 | break; |
1230 | ||
1da177e4 LT |
1231 | default: |
1232 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
9a853f71 | 1233 | "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1234 | qla_printk(KERN_INFO, ha, |
1235 | "Unknown status detected 0x%x-0x%x.\n", | |
1236 | comp_status, scsi_status); | |
1237 | ||
1238 | cp->result = DID_ERROR << 16; | |
1239 | break; | |
1240 | } | |
1241 | ||
1242 | /* Place command on done queue. */ | |
1243 | if (ha->status_srb == NULL) | |
f4f051eb | 1244 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1245 | } |
1246 | ||
1247 | /** | |
1248 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1249 | * @ha: SCSI driver HA context | |
1250 | * @pkt: Entry pointer | |
1251 | * | |
1252 | * Extended sense data. | |
1253 | */ | |
1254 | static void | |
1255 | qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt) | |
1256 | { | |
1257 | uint8_t sense_sz = 0; | |
1258 | srb_t *sp = ha->status_srb; | |
1259 | struct scsi_cmnd *cp; | |
1260 | ||
1261 | if (sp != NULL && sp->request_sense_length != 0) { | |
1262 | cp = sp->cmd; | |
1263 | if (cp == NULL) { | |
1264 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1265 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1266 | qla_printk(KERN_INFO, ha, |
1267 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1268 | sp); |
1da177e4 LT |
1269 | |
1270 | ha->status_srb = NULL; | |
1271 | return; | |
1272 | } | |
1273 | ||
1274 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1275 | sense_sz = sizeof(pkt->data); | |
1276 | } else { | |
1277 | sense_sz = sp->request_sense_length; | |
1278 | } | |
1279 | ||
1280 | /* Move sense data. */ | |
e428924c | 1281 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1282 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1283 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1284 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1285 | ||
1286 | sp->request_sense_ptr += sense_sz; | |
1287 | sp->request_sense_length -= sense_sz; | |
1288 | ||
1289 | /* Place command on done queue. */ | |
1290 | if (sp->request_sense_length == 0) { | |
1da177e4 | 1291 | ha->status_srb = NULL; |
f4f051eb | 1292 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1293 | } |
1294 | } | |
1295 | } | |
1296 | ||
1297 | /** | |
1298 | * qla2x00_error_entry() - Process an error entry. | |
1299 | * @ha: SCSI driver HA context | |
1300 | * @pkt: Entry pointer | |
1301 | */ | |
1302 | static void | |
9a853f71 | 1303 | qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) |
1da177e4 LT |
1304 | { |
1305 | srb_t *sp; | |
1306 | ||
1307 | #if defined(QL_DEBUG_LEVEL_2) | |
1308 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1309 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1310 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1311 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1312 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1313 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1314 | "%s: Invalid Entry Parameter\n", __func__); |
1315 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1316 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1317 | else if (pkt->entry_status & RF_BUSY) | |
1318 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1319 | else | |
1320 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1321 | #endif | |
1322 | ||
1323 | /* Validate handle. */ | |
1324 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
1325 | sp = ha->outstanding_cmds[pkt->handle]; | |
1326 | else | |
1327 | sp = NULL; | |
1328 | ||
1329 | if (sp) { | |
1330 | /* Free outstanding command slot. */ | |
1331 | ha->outstanding_cmds[pkt->handle] = NULL; | |
354d6b21 | 1332 | |
1da177e4 LT |
1333 | /* Bad payload or header */ |
1334 | if (pkt->entry_status & | |
1335 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1336 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1337 | sp->cmd->result = DID_ERROR << 16; | |
1338 | } else if (pkt->entry_status & RF_BUSY) { | |
1339 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1340 | } else { | |
1341 | sp->cmd->result = DID_ERROR << 16; | |
1342 | } | |
f4f051eb | 1343 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1344 | |
9a853f71 AV |
1345 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1346 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 LT |
1347 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
1348 | ha->host_no)); | |
1349 | qla_printk(KERN_WARNING, ha, | |
1350 | "Error entry - invalid handle\n"); | |
1351 | ||
1352 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 1353 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
1354 | } |
1355 | } | |
1356 | ||
1357 | /** | |
1358 | * qla2x00_ms_entry() - Process a Management Server entry. | |
1359 | * @ha: SCSI driver HA context | |
1360 | * @index: Response queue out pointer | |
1361 | */ | |
1362 | static void | |
9a853f71 | 1363 | qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt) |
1da177e4 LT |
1364 | { |
1365 | srb_t *sp; | |
1366 | ||
1367 | DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n", | |
1368 | __func__, ha->host_no, pkt, pkt->handle1)); | |
1369 | ||
1370 | /* Validate handle. */ | |
1371 | if (pkt->handle1 < MAX_OUTSTANDING_COMMANDS) | |
1372 | sp = ha->outstanding_cmds[pkt->handle1]; | |
1373 | else | |
1374 | sp = NULL; | |
1375 | ||
1376 | if (sp == NULL) { | |
1377 | DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n", | |
1378 | ha->host_no)); | |
1379 | qla_printk(KERN_WARNING, ha, "MS entry - invalid handle\n"); | |
1380 | ||
1381 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1382 | return; | |
1383 | } | |
1384 | ||
1385 | CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->status); | |
1386 | CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status; | |
1387 | ||
1388 | /* Free outstanding command slot. */ | |
1389 | ha->outstanding_cmds[pkt->handle1] = NULL; | |
1390 | ||
f4f051eb | 1391 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1392 | } |
9a853f71 AV |
1393 | |
1394 | ||
1395 | /** | |
1396 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1397 | * @ha: SCSI driver HA context | |
1398 | * @mb0: Mailbox0 register | |
1399 | */ | |
1400 | static void | |
1401 | qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
1402 | { | |
1403 | uint16_t cnt; | |
1404 | uint16_t __iomem *wptr; | |
1405 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1406 | ||
1407 | /* Load return mailbox registers. */ | |
1408 | ha->flags.mbox_int = 1; | |
1409 | ha->mailbox_out[0] = mb0; | |
1410 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1411 | ||
1412 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1413 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1414 | wptr++; | |
1415 | } | |
1416 | ||
1417 | if (ha->mcp) { | |
1418 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
1419 | __func__, ha->host_no, ha->mcp->mb[0])); | |
1420 | } else { | |
1421 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
1422 | __func__, ha->host_no)); | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | /** | |
1427 | * qla24xx_process_response_queue() - Process response queue entries. | |
1428 | * @ha: SCSI driver HA context | |
1429 | */ | |
1430 | void | |
1431 | qla24xx_process_response_queue(struct scsi_qla_host *ha) | |
1432 | { | |
1433 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1434 | struct sts_entry_24xx *pkt; | |
1435 | ||
1436 | if (!ha->flags.online) | |
1437 | return; | |
1438 | ||
1439 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
1440 | pkt = (struct sts_entry_24xx *)ha->response_ring_ptr; | |
1441 | ||
1442 | ha->rsp_ring_index++; | |
1443 | if (ha->rsp_ring_index == ha->response_q_length) { | |
1444 | ha->rsp_ring_index = 0; | |
1445 | ha->response_ring_ptr = ha->response_ring; | |
1446 | } else { | |
1447 | ha->response_ring_ptr++; | |
1448 | } | |
1449 | ||
1450 | if (pkt->entry_status != 0) { | |
1451 | DEBUG3(printk(KERN_INFO | |
1452 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
1453 | ||
9a853f71 AV |
1454 | qla2x00_error_entry(ha, (sts_entry_t *) pkt); |
1455 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1456 | wmb(); | |
1457 | continue; | |
1458 | } | |
1459 | ||
1460 | switch (pkt->entry_type) { | |
1461 | case STATUS_TYPE: | |
1462 | qla2x00_status_entry(ha, pkt); | |
1463 | break; | |
1464 | case STATUS_CONT_TYPE: | |
1465 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
1466 | break; | |
1467 | case MS_IOCB_TYPE: | |
1468 | qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt); | |
1469 | break; | |
2c3dfe3f SJ |
1470 | case VP_RPT_ID_IOCB_TYPE: |
1471 | qla24xx_report_id_acquisition(ha, | |
1472 | (struct vp_rpt_id_entry_24xx *)pkt); | |
1473 | break; | |
9a853f71 AV |
1474 | default: |
1475 | /* Type Not Supported. */ | |
1476 | DEBUG4(printk(KERN_WARNING | |
1477 | "scsi(%ld): Received unknown response pkt type %x " | |
1478 | "entry status=%x.\n", | |
1479 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
1480 | break; | |
1481 | } | |
1482 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1483 | wmb(); | |
1484 | } | |
1485 | ||
1486 | /* Adjust ring index */ | |
1487 | WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index); | |
1488 | } | |
1489 | ||
05236a05 AV |
1490 | static void |
1491 | qla2xxx_check_risc_status(scsi_qla_host_t *ha) | |
1492 | { | |
1493 | int rval; | |
1494 | uint32_t cnt; | |
1495 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1496 | ||
1497 | if (!IS_QLA25XX(ha)) | |
1498 | return; | |
1499 | ||
1500 | rval = QLA_SUCCESS; | |
1501 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1502 | RD_REG_DWORD(®->iobase_addr); | |
1503 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1504 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1505 | rval == QLA_SUCCESS; cnt--) { | |
1506 | if (cnt) { | |
1507 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1508 | udelay(10); | |
1509 | } else | |
1510 | rval = QLA_FUNCTION_TIMEOUT; | |
1511 | } | |
1512 | if (rval == QLA_SUCCESS) | |
1513 | goto next_test; | |
1514 | ||
1515 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1516 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1517 | rval == QLA_SUCCESS; cnt--) { | |
1518 | if (cnt) { | |
1519 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1520 | udelay(10); | |
1521 | } else | |
1522 | rval = QLA_FUNCTION_TIMEOUT; | |
1523 | } | |
1524 | if (rval != QLA_SUCCESS) | |
1525 | goto done; | |
1526 | ||
1527 | next_test: | |
1528 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1529 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1530 | ||
1531 | done: | |
1532 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1533 | RD_REG_DWORD(®->iobase_window); | |
1534 | } | |
1535 | ||
9a853f71 AV |
1536 | /** |
1537 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1538 | * @irq: | |
1539 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1540 | * |
1541 | * Called by system whenever the host adapter generates an interrupt. | |
1542 | * | |
1543 | * Returns handled flag. | |
1544 | */ | |
1545 | irqreturn_t | |
7d12e780 | 1546 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 AV |
1547 | { |
1548 | scsi_qla_host_t *ha; | |
1549 | struct device_reg_24xx __iomem *reg; | |
1550 | int status; | |
1551 | unsigned long flags; | |
1552 | unsigned long iter; | |
1553 | uint32_t stat; | |
1554 | uint32_t hccr; | |
1555 | uint16_t mb[4]; | |
1556 | ||
1557 | ha = (scsi_qla_host_t *) dev_id; | |
1558 | if (!ha) { | |
1559 | printk(KERN_INFO | |
1560 | "%s(): NULL host pointer\n", __func__); | |
1561 | return IRQ_NONE; | |
1562 | } | |
1563 | ||
1564 | reg = &ha->iobase->isp24; | |
1565 | status = 0; | |
1566 | ||
1567 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1568 | for (iter = 50; iter--; ) { | |
1569 | stat = RD_REG_DWORD(®->host_status); | |
1570 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1571 | if (pci_channel_offline(ha->pdev)) |
1572 | break; | |
1573 | ||
9a853f71 AV |
1574 | hccr = RD_REG_DWORD(®->hccr); |
1575 | ||
1576 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1577 | "Dumping firmware!\n", hccr); | |
05236a05 AV |
1578 | |
1579 | qla2xxx_check_risc_status(ha); | |
1580 | ||
fd34f556 | 1581 | ha->isp_ops->fw_dump(ha, 1); |
9a853f71 AV |
1582 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
1583 | break; | |
1584 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1585 | break; | |
1586 | ||
1587 | switch (stat & 0xff) { | |
1588 | case 0x1: | |
1589 | case 0x2: | |
1590 | case 0x10: | |
1591 | case 0x11: | |
1592 | qla24xx_mbx_completion(ha, MSW(stat)); | |
1593 | status |= MBX_INTERRUPT; | |
1594 | ||
1595 | break; | |
1596 | case 0x12: | |
1597 | mb[0] = MSW(stat); | |
1598 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1599 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1600 | mb[3] = RD_REG_WORD(®->mailbox3); | |
1601 | qla2x00_async_event(ha, mb); | |
1602 | break; | |
1603 | case 0x13: | |
1604 | qla24xx_process_response_queue(ha); | |
1605 | break; | |
1606 | default: | |
1607 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1608 | "(%d).\n", | |
1609 | ha->host_no, stat & 0xff)); | |
1610 | break; | |
1611 | } | |
1612 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1613 | RD_REG_DWORD_RELAXED(®->hccr); | |
1614 | } | |
1615 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1616 | ||
1617 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1618 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 AV |
1619 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
1620 | up(&ha->mbx_intr_sem); | |
9a853f71 AV |
1621 | } |
1622 | ||
1623 | return IRQ_HANDLED; | |
1624 | } | |
1625 | ||
1626 | /** | |
1627 | * qla24xx_ms_entry() - Process a Management Server entry. | |
1628 | * @ha: SCSI driver HA context | |
1629 | * @index: Response queue out pointer | |
1630 | */ | |
1631 | static void | |
1632 | qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt) | |
1633 | { | |
1634 | srb_t *sp; | |
1635 | ||
1636 | DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n", | |
1637 | __func__, ha->host_no, pkt, pkt->handle)); | |
1638 | ||
744f11fd AV |
1639 | DEBUG9(printk("%s: ct pkt dump:\n", __func__)); |
1640 | DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx))); | |
9a853f71 AV |
1641 | |
1642 | /* Validate handle. */ | |
1643 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
1644 | sp = ha->outstanding_cmds[pkt->handle]; | |
1645 | else | |
1646 | sp = NULL; | |
1647 | ||
1648 | if (sp == NULL) { | |
1649 | DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n", | |
1650 | ha->host_no)); | |
1651 | DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n", | |
1652 | ha->host_no)); | |
1653 | qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n", | |
1654 | pkt->handle); | |
1655 | ||
1656 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1657 | return; | |
1658 | } | |
1659 | ||
1660 | CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status); | |
1661 | CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status; | |
1662 | ||
1663 | /* Free outstanding command slot. */ | |
1664 | ha->outstanding_cmds[pkt->handle] = NULL; | |
1665 | ||
1666 | qla2x00_sp_compl(ha, sp); | |
1667 | } | |
1668 | ||
a8488abe AV |
1669 | static irqreturn_t |
1670 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1671 | { | |
1672 | scsi_qla_host_t *ha; | |
1673 | struct device_reg_24xx __iomem *reg; | |
1674 | unsigned long flags; | |
1675 | ||
1676 | ha = dev_id; | |
1677 | reg = &ha->iobase->isp24; | |
1678 | ||
1679 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1680 | ||
1681 | qla24xx_process_response_queue(ha); | |
1682 | ||
1683 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
a8488abe AV |
1684 | |
1685 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1686 | ||
1687 | return IRQ_HANDLED; | |
1688 | } | |
1689 | ||
1690 | static irqreturn_t | |
1691 | qla24xx_msix_default(int irq, void *dev_id) | |
1692 | { | |
1693 | scsi_qla_host_t *ha; | |
1694 | struct device_reg_24xx __iomem *reg; | |
1695 | int status; | |
1696 | unsigned long flags; | |
a8488abe AV |
1697 | uint32_t stat; |
1698 | uint32_t hccr; | |
1699 | uint16_t mb[4]; | |
1700 | ||
1701 | ha = dev_id; | |
1702 | reg = &ha->iobase->isp24; | |
1703 | status = 0; | |
1704 | ||
1705 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
87f27015 | 1706 | do { |
a8488abe AV |
1707 | stat = RD_REG_DWORD(®->host_status); |
1708 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1709 | if (pci_channel_offline(ha->pdev)) |
1710 | break; | |
1711 | ||
a8488abe AV |
1712 | hccr = RD_REG_DWORD(®->hccr); |
1713 | ||
1714 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1715 | "Dumping firmware!\n", hccr); | |
05236a05 AV |
1716 | |
1717 | qla2xxx_check_risc_status(ha); | |
1718 | ||
fd34f556 | 1719 | ha->isp_ops->fw_dump(ha, 1); |
a8488abe AV |
1720 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
1721 | break; | |
1722 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1723 | break; | |
1724 | ||
1725 | switch (stat & 0xff) { | |
1726 | case 0x1: | |
1727 | case 0x2: | |
1728 | case 0x10: | |
1729 | case 0x11: | |
1730 | qla24xx_mbx_completion(ha, MSW(stat)); | |
1731 | status |= MBX_INTERRUPT; | |
1732 | ||
1733 | break; | |
1734 | case 0x12: | |
1735 | mb[0] = MSW(stat); | |
1736 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1737 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1738 | mb[3] = RD_REG_WORD(®->mailbox3); | |
1739 | qla2x00_async_event(ha, mb); | |
1740 | break; | |
1741 | case 0x13: | |
1742 | qla24xx_process_response_queue(ha); | |
1743 | break; | |
1744 | default: | |
1745 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1746 | "(%d).\n", | |
1747 | ha->host_no, stat & 0xff)); | |
1748 | break; | |
1749 | } | |
1750 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1751 | } while (0); |
a8488abe AV |
1752 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1753 | ||
1754 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1755 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe AV |
1756 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
1757 | up(&ha->mbx_intr_sem); | |
a8488abe AV |
1758 | } |
1759 | ||
1760 | return IRQ_HANDLED; | |
1761 | } | |
1762 | ||
1763 | /* Interrupt handling helpers. */ | |
1764 | ||
1765 | struct qla_init_msix_entry { | |
1766 | uint16_t entry; | |
1767 | uint16_t index; | |
1768 | const char *name; | |
476834c2 | 1769 | irq_handler_t handler; |
a8488abe AV |
1770 | }; |
1771 | ||
1772 | static struct qla_init_msix_entry imsix_entries[QLA_MSIX_ENTRIES] = { | |
1773 | { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT, | |
1774 | "qla2xxx (default)", qla24xx_msix_default }, | |
1775 | ||
1776 | { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q, | |
1777 | "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
1778 | }; | |
1779 | ||
1780 | static void | |
1781 | qla24xx_disable_msix(scsi_qla_host_t *ha) | |
1782 | { | |
1783 | int i; | |
1784 | struct qla_msix_entry *qentry; | |
1785 | ||
1786 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) { | |
1787 | qentry = &ha->msix_entries[imsix_entries[i].index]; | |
1788 | if (qentry->have_irq) | |
1789 | free_irq(qentry->msix_vector, ha); | |
1790 | } | |
1791 | pci_disable_msix(ha->pdev); | |
1792 | } | |
1793 | ||
1794 | static int | |
1795 | qla24xx_enable_msix(scsi_qla_host_t *ha) | |
1796 | { | |
1797 | int i, ret; | |
1798 | struct msix_entry entries[QLA_MSIX_ENTRIES]; | |
1799 | struct qla_msix_entry *qentry; | |
1800 | ||
1801 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) | |
1802 | entries[i].entry = imsix_entries[i].entry; | |
1803 | ||
1804 | ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries)); | |
1805 | if (ret) { | |
1806 | qla_printk(KERN_WARNING, ha, | |
1807 | "MSI-X: Failed to enable support -- %d/%d\n", | |
1808 | QLA_MSIX_ENTRIES, ret); | |
1809 | goto msix_out; | |
1810 | } | |
1811 | ha->flags.msix_enabled = 1; | |
1812 | ||
1813 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) { | |
1814 | qentry = &ha->msix_entries[imsix_entries[i].index]; | |
1815 | qentry->msix_vector = entries[i].vector; | |
1816 | qentry->msix_entry = entries[i].entry; | |
1817 | qentry->have_irq = 0; | |
1818 | ret = request_irq(qentry->msix_vector, | |
1819 | imsix_entries[i].handler, 0, imsix_entries[i].name, ha); | |
1820 | if (ret) { | |
1821 | qla_printk(KERN_WARNING, ha, | |
1822 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1823 | imsix_entries[i].index, ret); | |
1824 | qla24xx_disable_msix(ha); | |
1825 | goto msix_out; | |
1826 | } | |
1827 | qentry->have_irq = 1; | |
1828 | } | |
1829 | ||
1830 | msix_out: | |
1831 | return ret; | |
1832 | } | |
1833 | ||
1834 | int | |
1835 | qla2x00_request_irqs(scsi_qla_host_t *ha) | |
1836 | { | |
1837 | int ret; | |
1838 | ||
1839 | /* If possible, enable MSI-X. */ | |
c3a2f0df | 1840 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha)) |
a8488abe AV |
1841 | goto skip_msix; |
1842 | ||
c3a2f0df AV |
1843 | if (IS_QLA2432(ha) && (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX || |
1844 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe AV |
1845 | DEBUG2(qla_printk(KERN_WARNING, ha, |
1846 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", | |
1847 | ha->chip_revision, ha->fw_attributes)); | |
1848 | ||
1849 | goto skip_msix; | |
1850 | } | |
1851 | ||
1852 | ret = qla24xx_enable_msix(ha); | |
1853 | if (!ret) { | |
1854 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1855 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
1856 | ha->fw_attributes)); | |
1857 | return ret; | |
1858 | } | |
1859 | qla_printk(KERN_WARNING, ha, | |
1860 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
1861 | skip_msix: | |
cbedb601 | 1862 | |
c3a2f0df | 1863 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha)) |
cbedb601 AV |
1864 | goto skip_msi; |
1865 | ||
1866 | ret = pci_enable_msi(ha->pdev); | |
1867 | if (!ret) { | |
1868 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
1869 | ha->flags.msi_enabled = 1; | |
1870 | } | |
1871 | skip_msi: | |
1872 | ||
fd34f556 | 1873 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
a8488abe | 1874 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); |
d88021a6 AV |
1875 | if (!ret) { |
1876 | ha->flags.inta_enabled = 1; | |
1877 | ha->host->irq = ha->pdev->irq; | |
1878 | } else { | |
a8488abe AV |
1879 | qla_printk(KERN_WARNING, ha, |
1880 | "Failed to reserve interrupt %d already in use.\n", | |
1881 | ha->pdev->irq); | |
1882 | } | |
a8488abe AV |
1883 | |
1884 | return ret; | |
1885 | } | |
1886 | ||
1887 | void | |
1888 | qla2x00_free_irqs(scsi_qla_host_t *ha) | |
1889 | { | |
1890 | ||
1891 | if (ha->flags.msix_enabled) | |
1892 | qla24xx_disable_msix(ha); | |
cbedb601 | 1893 | else if (ha->flags.inta_enabled) { |
a8488abe | 1894 | free_irq(ha->host->irq, ha); |
cbedb601 AV |
1895 | pci_disable_msi(ha->pdev); |
1896 | } | |
a8488abe | 1897 | } |