Commit | Line | Data |
---|---|---|
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 | ||
9 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); | |
9a853f71 | 10 | static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *); |
1da177e4 | 11 | static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t); |
9a853f71 | 12 | static void qla2x00_status_entry(scsi_qla_host_t *, void *); |
1da177e4 LT |
13 | static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); |
14 | static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *); | |
15 | static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *); | |
16 | ||
9a853f71 AV |
17 | static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *); |
18 | ||
1da177e4 LT |
19 | /** |
20 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
21 | * @irq: | |
22 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
23 | * |
24 | * Called by system whenever the host adapter generates an interrupt. | |
25 | * | |
26 | * Returns handled flag. | |
27 | */ | |
28 | irqreturn_t | |
7d12e780 | 29 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
30 | { |
31 | scsi_qla_host_t *ha; | |
3d71644c | 32 | struct device_reg_2xxx __iomem *reg; |
1da177e4 LT |
33 | int status; |
34 | unsigned long flags; | |
35 | unsigned long iter; | |
9a853f71 | 36 | uint16_t mb[4]; |
1da177e4 LT |
37 | |
38 | ha = (scsi_qla_host_t *) dev_id; | |
39 | if (!ha) { | |
40 | printk(KERN_INFO | |
41 | "%s(): NULL host pointer\n", __func__); | |
42 | return (IRQ_NONE); | |
43 | } | |
44 | ||
3d71644c | 45 | reg = &ha->iobase->isp; |
1da177e4 LT |
46 | status = 0; |
47 | ||
48 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
49 | for (iter = 50; iter--; ) { | |
50 | if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
51 | break; | |
52 | ||
53 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
54 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
55 | RD_REG_WORD(®->hccr); | |
56 | ||
57 | /* Get mailbox data. */ | |
9a853f71 AV |
58 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
59 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
60 | qla2x00_mbx_completion(ha, mb[0]); | |
1da177e4 | 61 | status |= MBX_INTERRUPT; |
9a853f71 AV |
62 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
63 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
64 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
65 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
66 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
67 | } else { |
68 | /*EMPTY*/ | |
69 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 AV |
70 | "interrupt type (%d).\n", |
71 | ha->host_no, mb[0])); | |
1da177e4 LT |
72 | } |
73 | /* Release mailbox registers. */ | |
74 | WRT_REG_WORD(®->semaphore, 0); | |
75 | RD_REG_WORD(®->semaphore); | |
76 | } else { | |
77 | qla2x00_process_response_queue(ha); | |
78 | ||
79 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
80 | RD_REG_WORD(®->hccr); | |
81 | } | |
82 | } | |
83 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
84 | ||
1da177e4 LT |
85 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
86 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
87 | spin_lock_irqsave(&ha->mbx_reg_lock, flags); | |
88 | ||
89 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); | |
90 | up(&ha->mbx_intr_sem); | |
91 | ||
92 | spin_unlock_irqrestore(&ha->mbx_reg_lock, flags); | |
93 | } | |
94 | ||
1da177e4 LT |
95 | return (IRQ_HANDLED); |
96 | } | |
97 | ||
98 | /** | |
99 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
100 | * @irq: | |
101 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
102 | * |
103 | * Called by system whenever the host adapter generates an interrupt. | |
104 | * | |
105 | * Returns handled flag. | |
106 | */ | |
107 | irqreturn_t | |
7d12e780 | 108 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
109 | { |
110 | scsi_qla_host_t *ha; | |
3d71644c | 111 | struct device_reg_2xxx __iomem *reg; |
1da177e4 LT |
112 | int status; |
113 | unsigned long flags; | |
114 | unsigned long iter; | |
115 | uint32_t stat; | |
1da177e4 | 116 | uint16_t hccr; |
9a853f71 | 117 | uint16_t mb[4]; |
1da177e4 LT |
118 | |
119 | ha = (scsi_qla_host_t *) dev_id; | |
120 | if (!ha) { | |
121 | printk(KERN_INFO | |
122 | "%s(): NULL host pointer\n", __func__); | |
123 | return (IRQ_NONE); | |
124 | } | |
125 | ||
3d71644c | 126 | reg = &ha->iobase->isp; |
1da177e4 LT |
127 | status = 0; |
128 | ||
129 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
130 | for (iter = 50; iter--; ) { | |
131 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
132 | if (stat & HSR_RISC_PAUSED) { | |
133 | hccr = RD_REG_WORD(®->hccr); | |
134 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
135 | qla_printk(KERN_INFO, ha, | |
136 | "Parity error -- HCCR=%x.\n", hccr); | |
137 | else | |
138 | qla_printk(KERN_INFO, ha, | |
9a853f71 | 139 | "RISC paused -- HCCR=%x.\n", hccr); |
1da177e4 LT |
140 | |
141 | /* | |
142 | * Issue a "HARD" reset in order for the RISC | |
143 | * interrupt bit to be cleared. Schedule a big | |
144 | * hammmer to get out of the RISC PAUSED state. | |
145 | */ | |
146 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
147 | RD_REG_WORD(®->hccr); | |
148 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
149 | break; | |
150 | } else if ((stat & HSR_RISC_INT) == 0) | |
151 | break; | |
152 | ||
1da177e4 | 153 | switch (stat & 0xff) { |
1da177e4 LT |
154 | case 0x1: |
155 | case 0x2: | |
156 | case 0x10: | |
157 | case 0x11: | |
9a853f71 | 158 | qla2x00_mbx_completion(ha, MSW(stat)); |
1da177e4 LT |
159 | status |= MBX_INTERRUPT; |
160 | ||
161 | /* Release mailbox registers. */ | |
162 | WRT_REG_WORD(®->semaphore, 0); | |
163 | break; | |
164 | case 0x12: | |
9a853f71 AV |
165 | mb[0] = MSW(stat); |
166 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
167 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
168 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
169 | qla2x00_async_event(ha, mb); | |
170 | break; | |
171 | case 0x13: | |
172 | qla2x00_process_response_queue(ha); | |
1da177e4 LT |
173 | break; |
174 | case 0x15: | |
9a853f71 AV |
175 | mb[0] = MBA_CMPLT_1_16BIT; |
176 | mb[1] = MSW(stat); | |
177 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
178 | break; |
179 | case 0x16: | |
9a853f71 AV |
180 | mb[0] = MBA_SCSI_COMPLETION; |
181 | mb[1] = MSW(stat); | |
182 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
183 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
184 | break; |
185 | default: | |
186 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 187 | "(%d).\n", |
1da177e4 LT |
188 | ha->host_no, stat & 0xff)); |
189 | break; | |
190 | } | |
191 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
192 | RD_REG_WORD_RELAXED(®->hccr); | |
193 | } | |
194 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
195 | ||
1da177e4 LT |
196 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
197 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
198 | spin_lock_irqsave(&ha->mbx_reg_lock, flags); | |
199 | ||
200 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); | |
201 | up(&ha->mbx_intr_sem); | |
202 | ||
203 | spin_unlock_irqrestore(&ha->mbx_reg_lock, flags); | |
204 | } | |
205 | ||
1da177e4 LT |
206 | return (IRQ_HANDLED); |
207 | } | |
208 | ||
209 | /** | |
210 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
211 | * @ha: SCSI driver HA context | |
212 | * @mb0: Mailbox0 register | |
213 | */ | |
214 | static void | |
215 | qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
216 | { | |
217 | uint16_t cnt; | |
218 | uint16_t __iomem *wptr; | |
3d71644c | 219 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
220 | |
221 | /* Load return mailbox registers. */ | |
222 | ha->flags.mbox_int = 1; | |
223 | ha->mailbox_out[0] = mb0; | |
224 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
225 | ||
226 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 227 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
228 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
229 | if (cnt == 4 || cnt == 5) | |
230 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
231 | else | |
232 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 233 | |
1da177e4 LT |
234 | wptr++; |
235 | } | |
236 | ||
237 | if (ha->mcp) { | |
238 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
239 | __func__, ha->host_no, ha->mcp->mb[0])); | |
240 | } else { | |
241 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
242 | __func__, ha->host_no)); | |
243 | } | |
244 | } | |
245 | ||
246 | /** | |
247 | * qla2x00_async_event() - Process aynchronous events. | |
248 | * @ha: SCSI driver HA context | |
9a853f71 | 249 | * @mb: Mailbox registers (0 - 3) |
1da177e4 LT |
250 | */ |
251 | static void | |
9a853f71 | 252 | qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) |
1da177e4 | 253 | { |
9a853f71 AV |
254 | #define LS_UNKNOWN 2 |
255 | static char *link_speeds[5] = { "1", "2", "?", "4", "10" }; | |
1da177e4 | 256 | char *link_speed; |
1da177e4 LT |
257 | uint16_t handle_cnt; |
258 | uint16_t cnt; | |
259 | uint32_t handles[5]; | |
3d71644c | 260 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
261 | uint32_t rscn_entry, host_pid; |
262 | uint8_t rscn_queue_index; | |
263 | ||
264 | /* Setup to process RIO completion. */ | |
265 | handle_cnt = 0; | |
1da177e4 LT |
266 | switch (mb[0]) { |
267 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 268 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
269 | handle_cnt = 1; |
270 | break; | |
271 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 272 | handles[0] = mb[1]; |
1da177e4 LT |
273 | handle_cnt = 1; |
274 | mb[0] = MBA_SCSI_COMPLETION; | |
275 | break; | |
276 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
277 | handles[0] = mb[1]; |
278 | handles[1] = mb[2]; | |
1da177e4 LT |
279 | handle_cnt = 2; |
280 | mb[0] = MBA_SCSI_COMPLETION; | |
281 | break; | |
282 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
283 | handles[0] = mb[1]; |
284 | handles[1] = mb[2]; | |
285 | handles[2] = mb[3]; | |
1da177e4 LT |
286 | handle_cnt = 3; |
287 | mb[0] = MBA_SCSI_COMPLETION; | |
288 | break; | |
289 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
290 | handles[0] = mb[1]; |
291 | handles[1] = mb[2]; | |
292 | handles[2] = mb[3]; | |
1da177e4 LT |
293 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
294 | handle_cnt = 4; | |
295 | mb[0] = MBA_SCSI_COMPLETION; | |
296 | break; | |
297 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
298 | handles[0] = mb[1]; |
299 | handles[1] = mb[2]; | |
300 | handles[2] = mb[3]; | |
1da177e4 LT |
301 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
302 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
303 | handle_cnt = 5; | |
304 | mb[0] = MBA_SCSI_COMPLETION; | |
305 | break; | |
306 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 307 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
308 | handles[1] = le32_to_cpu( |
309 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
310 | RD_MAILBOX_REG(ha, reg, 6)); | |
311 | handle_cnt = 2; | |
312 | mb[0] = MBA_SCSI_COMPLETION; | |
313 | break; | |
314 | default: | |
315 | break; | |
316 | } | |
317 | ||
318 | switch (mb[0]) { | |
319 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
320 | if (!ha->flags.online) | |
321 | break; | |
322 | ||
323 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
324 | qla2x00_process_completed_request(ha, handles[cnt]); | |
325 | break; | |
326 | ||
327 | case MBA_RESET: /* Reset */ | |
328 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no)); | |
329 | ||
330 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
331 | break; | |
332 | ||
333 | case MBA_SYSTEM_ERR: /* System Error */ | |
334 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
335 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
336 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
337 | ||
338 | qla_printk(KERN_INFO, ha, | |
339 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
340 | mb[1], mb[2], mb[3]); | |
341 | ||
abbd8870 | 342 | ha->isp_ops.fw_dump(ha, 1); |
1da177e4 | 343 | |
044cc6c8 | 344 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
9a853f71 AV |
345 | if (mb[1] == 0 && mb[2] == 0) { |
346 | qla_printk(KERN_ERR, ha, | |
347 | "Unrecoverable Hardware Error: adapter " | |
348 | "marked OFFLINE!\n"); | |
349 | ha->flags.online = 0; | |
350 | } else | |
351 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
352 | } else if (mb[1] == 0) { | |
1da177e4 LT |
353 | qla_printk(KERN_INFO, ha, |
354 | "Unrecoverable Hardware Error: adapter marked " | |
355 | "OFFLINE!\n"); | |
356 | ha->flags.online = 0; | |
357 | } else | |
358 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
359 | break; | |
360 | ||
361 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
362 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
363 | ha->host_no)); | |
364 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); | |
365 | ||
366 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
367 | break; | |
368 | ||
369 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
370 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
371 | ha->host_no)); | |
372 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); | |
373 | ||
374 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
375 | break; | |
376 | ||
377 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
378 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
379 | ha->host_no)); | |
380 | break; | |
381 | ||
382 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
1da177e4 LT |
383 | DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no, |
384 | mb[1])); | |
385 | qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]); | |
386 | ||
387 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
388 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
389 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 390 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
391 | } |
392 | ||
393 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); | |
394 | ||
395 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
396 | break; |
397 | ||
398 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
399 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
400 | link_speed = link_speeds[0]; | |
d8b45213 | 401 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 402 | } else { |
9a853f71 | 403 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
404 | if (mb[1] < 5) |
405 | link_speed = link_speeds[mb[1]]; | |
406 | ha->link_data_rate = mb[1]; | |
407 | } | |
408 | ||
409 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
410 | ha->host_no, link_speed)); | |
411 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", | |
412 | link_speed); | |
413 | ||
414 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
415 | break; |
416 | ||
417 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
9a853f71 AV |
418 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n", |
419 | ha->host_no, mb[1])); | |
420 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]); | |
1da177e4 LT |
421 | |
422 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
423 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
424 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
425 | ha->device_flags |= DFLG_NO_CABLE; | |
d97994dc | 426 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
427 | } |
428 | ||
429 | ha->flags.management_server_logged_in = 0; | |
d8b45213 | 430 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
cca5335c AV |
431 | if (ql2xfdmienable) |
432 | set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); | |
1da177e4 LT |
433 | break; |
434 | ||
435 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 LT |
436 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
437 | ha->host_no, mb[1])); | |
438 | qla_printk(KERN_INFO, ha, | |
439 | "LIP reset occured (%x).\n", mb[1]); | |
440 | ||
441 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
442 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
443 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 444 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
445 | } |
446 | ||
447 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
448 | ||
449 | ha->operating_mode = LOOP; | |
450 | ha->flags.management_server_logged_in = 0; | |
1da177e4 LT |
451 | break; |
452 | ||
453 | case MBA_POINT_TO_POINT: /* Point-to-Point */ | |
454 | if (IS_QLA2100(ha)) | |
455 | break; | |
456 | ||
457 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n", | |
458 | ha->host_no)); | |
459 | ||
460 | /* | |
461 | * Until there's a transition from loop down to loop up, treat | |
462 | * this as loop down only. | |
463 | */ | |
464 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
465 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
466 | if (!atomic_read(&ha->loop_down_timer)) | |
467 | atomic_set(&ha->loop_down_timer, | |
468 | LOOP_DOWN_TIME); | |
d97994dc | 469 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
470 | } |
471 | ||
472 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { | |
473 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
474 | } | |
475 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); | |
476 | break; | |
477 | ||
478 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
479 | if (IS_QLA2100(ha)) | |
480 | break; | |
481 | ||
1da177e4 LT |
482 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
483 | "received.\n", | |
484 | ha->host_no)); | |
485 | qla_printk(KERN_INFO, ha, | |
486 | "Configuration change detected: value=%x.\n", mb[1]); | |
487 | ||
488 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
fa2a1ce5 | 489 | atomic_set(&ha->loop_state, LOOP_DOWN); |
1da177e4 LT |
490 | if (!atomic_read(&ha->loop_down_timer)) |
491 | atomic_set(&ha->loop_down_timer, | |
492 | LOOP_DOWN_TIME); | |
d97994dc | 493 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
494 | } |
495 | ||
496 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
497 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
498 | break; | |
499 | ||
500 | case MBA_PORT_UPDATE: /* Port database update */ | |
1da177e4 LT |
501 | /* |
502 | * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET | |
503 | * event etc. earlier indicating loop is down) then process | |
504 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
505 | */ | |
506 | atomic_set(&ha->loop_down_timer, 0); | |
507 | if (atomic_read(&ha->loop_state) != LOOP_DOWN && | |
508 | atomic_read(&ha->loop_state) != LOOP_DEAD) { | |
509 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " | |
9a853f71 AV |
510 | "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1], |
511 | mb[2], mb[3])); | |
1da177e4 LT |
512 | break; |
513 | } | |
514 | ||
515 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
516 | ha->host_no)); | |
517 | DEBUG(printk(KERN_INFO | |
9a853f71 AV |
518 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
519 | ha->host_no, mb[1], mb[2], mb[3])); | |
1da177e4 LT |
520 | |
521 | /* | |
522 | * Mark all devices as missing so we will login again. | |
523 | */ | |
524 | atomic_set(&ha->loop_state, LOOP_UP); | |
525 | ||
d97994dc | 526 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
527 | |
528 | ha->flags.rscn_queue_overflow = 1; | |
529 | ||
530 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
531 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
532 | break; |
533 | ||
534 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
1da177e4 LT |
535 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
536 | ha->host_no)); | |
537 | DEBUG(printk(KERN_INFO | |
538 | "scsi(%ld): RSCN database changed -- %04x %04x.\n", | |
539 | ha->host_no, mb[1], mb[2])); | |
540 | ||
541 | rscn_entry = (mb[1] << 16) | mb[2]; | |
542 | host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) | | |
543 | ha->d_id.b.al_pa; | |
544 | if (rscn_entry == host_pid) { | |
545 | DEBUG(printk(KERN_INFO | |
546 | "scsi(%ld): Ignoring RSCN update to local host " | |
547 | "port ID (%06x)\n", | |
548 | ha->host_no, host_pid)); | |
549 | break; | |
550 | } | |
551 | ||
552 | rscn_queue_index = ha->rscn_in_ptr + 1; | |
553 | if (rscn_queue_index == MAX_RSCN_COUNT) | |
554 | rscn_queue_index = 0; | |
555 | if (rscn_queue_index != ha->rscn_out_ptr) { | |
556 | ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry; | |
557 | ha->rscn_in_ptr = rscn_queue_index; | |
558 | } else { | |
559 | ha->flags.rscn_queue_overflow = 1; | |
560 | } | |
561 | ||
562 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
563 | atomic_set(&ha->loop_down_timer, 0); | |
564 | ha->flags.management_server_logged_in = 0; | |
565 | ||
566 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
567 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
568 | break; |
569 | ||
570 | /* case MBA_RIO_RESPONSE: */ | |
571 | case MBA_ZIO_RESPONSE: | |
572 | DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n", | |
573 | ha->host_no)); | |
574 | DEBUG(printk(KERN_INFO | |
575 | "scsi(%ld): [R|Z]IO update completion.\n", | |
576 | ha->host_no)); | |
577 | ||
044cc6c8 | 578 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) |
4fdfefe5 AV |
579 | qla24xx_process_response_queue(ha); |
580 | else | |
581 | qla2x00_process_response_queue(ha); | |
1da177e4 | 582 | break; |
9a853f71 AV |
583 | |
584 | case MBA_DISCARD_RND_FRAME: | |
585 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
586 | "%04x.\n", ha->host_no, mb[1], mb[2], mb[3])); | |
587 | break; | |
45ebeb56 AV |
588 | |
589 | case MBA_TRACE_NOTIFICATION: | |
590 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
591 | ha->host_no, mb[1], mb[2])); | |
592 | break; | |
1da177e4 LT |
593 | } |
594 | } | |
595 | ||
596 | /** | |
597 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
598 | * @ha: SCSI driver HA context | |
599 | * @index: SRB index | |
600 | */ | |
601 | static void | |
602 | qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index) | |
603 | { | |
604 | srb_t *sp; | |
605 | ||
606 | /* Validate handle. */ | |
607 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
608 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
609 | ha->host_no, index)); | |
610 | qla_printk(KERN_WARNING, ha, | |
611 | "Invalid SCSI completion handle %d.\n", index); | |
612 | ||
613 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
614 | return; | |
615 | } | |
616 | ||
617 | sp = ha->outstanding_cmds[index]; | |
618 | if (sp) { | |
619 | /* Free outstanding command slot. */ | |
620 | ha->outstanding_cmds[index] = NULL; | |
621 | ||
1da177e4 LT |
622 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
623 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
624 | ||
625 | /* Save ISP completion status */ | |
626 | sp->cmd->result = DID_OK << 16; | |
f4f051eb | 627 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
628 | } else { |
629 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
630 | ha->host_no)); | |
631 | qla_printk(KERN_WARNING, ha, | |
632 | "Invalid ISP SCSI completion handle\n"); | |
633 | ||
634 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
635 | } | |
636 | } | |
637 | ||
638 | /** | |
639 | * qla2x00_process_response_queue() - Process response queue entries. | |
640 | * @ha: SCSI driver HA context | |
641 | */ | |
642 | void | |
643 | qla2x00_process_response_queue(struct scsi_qla_host *ha) | |
644 | { | |
3d71644c | 645 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
646 | sts_entry_t *pkt; |
647 | uint16_t handle_cnt; | |
648 | uint16_t cnt; | |
649 | ||
650 | if (!ha->flags.online) | |
651 | return; | |
652 | ||
653 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
654 | pkt = (sts_entry_t *)ha->response_ring_ptr; | |
655 | ||
656 | ha->rsp_ring_index++; | |
657 | if (ha->rsp_ring_index == ha->response_q_length) { | |
658 | ha->rsp_ring_index = 0; | |
659 | ha->response_ring_ptr = ha->response_ring; | |
660 | } else { | |
661 | ha->response_ring_ptr++; | |
662 | } | |
663 | ||
664 | if (pkt->entry_status != 0) { | |
665 | DEBUG3(printk(KERN_INFO | |
666 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
667 | ||
668 | qla2x00_error_entry(ha, pkt); | |
669 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
670 | wmb(); | |
671 | continue; | |
672 | } | |
673 | ||
674 | switch (pkt->entry_type) { | |
675 | case STATUS_TYPE: | |
676 | qla2x00_status_entry(ha, pkt); | |
677 | break; | |
678 | case STATUS_TYPE_21: | |
679 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
680 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
681 | qla2x00_process_completed_request(ha, | |
682 | ((sts21_entry_t *)pkt)->handle[cnt]); | |
683 | } | |
684 | break; | |
685 | case STATUS_TYPE_22: | |
686 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
687 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
688 | qla2x00_process_completed_request(ha, | |
689 | ((sts22_entry_t *)pkt)->handle[cnt]); | |
690 | } | |
691 | break; | |
692 | case STATUS_CONT_TYPE: | |
693 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
694 | break; | |
695 | case MS_IOCB_TYPE: | |
696 | qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt); | |
697 | break; | |
1da177e4 LT |
698 | default: |
699 | /* Type Not Supported. */ | |
700 | DEBUG4(printk(KERN_WARNING | |
701 | "scsi(%ld): Received unknown response pkt type %x " | |
702 | "entry status=%x.\n", | |
703 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
704 | break; | |
705 | } | |
706 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
707 | wmb(); | |
708 | } | |
709 | ||
710 | /* Adjust ring index */ | |
711 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index); | |
712 | } | |
713 | ||
714 | /** | |
715 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
716 | * @ha: SCSI driver HA context | |
717 | * @pkt: Entry pointer | |
718 | */ | |
719 | static void | |
9a853f71 | 720 | qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) |
1da177e4 | 721 | { |
1da177e4 | 722 | srb_t *sp; |
1da177e4 LT |
723 | fc_port_t *fcport; |
724 | struct scsi_cmnd *cp; | |
9a853f71 AV |
725 | sts_entry_t *sts; |
726 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
727 | uint16_t comp_status; |
728 | uint16_t scsi_status; | |
729 | uint8_t lscsi_status; | |
730 | int32_t resid; | |
ed17c71b | 731 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 AV |
732 | uint8_t *rsp_info, *sense_data; |
733 | ||
734 | sts = (sts_entry_t *) pkt; | |
735 | sts24 = (struct sts_entry_24xx *) pkt; | |
044cc6c8 | 736 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
9a853f71 AV |
737 | comp_status = le16_to_cpu(sts24->comp_status); |
738 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
739 | } else { | |
740 | comp_status = le16_to_cpu(sts->comp_status); | |
741 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
742 | } | |
1da177e4 LT |
743 | |
744 | /* Fast path completion. */ | |
9a853f71 AV |
745 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
746 | qla2x00_process_completed_request(ha, sts->handle); | |
1da177e4 LT |
747 | |
748 | return; | |
749 | } | |
750 | ||
751 | /* Validate handle. */ | |
9a853f71 AV |
752 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
753 | sp = ha->outstanding_cmds[sts->handle]; | |
754 | ha->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
755 | } else |
756 | sp = NULL; | |
757 | ||
758 | if (sp == NULL) { | |
759 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
760 | ha->host_no)); | |
761 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); | |
762 | ||
763 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 764 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
765 | return; |
766 | } | |
767 | cp = sp->cmd; | |
768 | if (cp == NULL) { | |
769 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
75bc4190 | 770 | "pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp)); |
1da177e4 LT |
771 | qla_printk(KERN_WARNING, ha, |
772 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
773 | ||
774 | return; | |
775 | } | |
776 | ||
9a853f71 AV |
777 | lscsi_status = scsi_status & STATUS_MASK; |
778 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
779 | CMD_COMPL_STATUS(cp) = comp_status; |
780 | CMD_SCSI_STATUS(cp) = scsi_status; | |
781 | ||
bdf79621 | 782 | fcport = sp->fcport; |
1da177e4 | 783 | |
ed17c71b | 784 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
044cc6c8 | 785 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
9a853f71 AV |
786 | sense_len = le32_to_cpu(sts24->sense_len); |
787 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
788 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 789 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
790 | rsp_info = sts24->data; |
791 | sense_data = sts24->data; | |
792 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
793 | } else { | |
794 | sense_len = le16_to_cpu(sts->req_sense_length); | |
795 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
796 | resid_len = le32_to_cpu(sts->residual_length); | |
797 | rsp_info = sts->rsp_info; | |
798 | sense_data = sts->req_sense_data; | |
799 | } | |
800 | ||
1da177e4 LT |
801 | /* Check for any FCP transport errors. */ |
802 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 803 | /* Sense data lies beyond any FCP RESPONSE data. */ |
044cc6c8 | 804 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) |
9a853f71 AV |
805 | sense_data += rsp_info_len; |
806 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
807 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
808 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
9a853f71 AV |
809 | "retrying command\n", ha->host_no, |
810 | cp->device->channel, cp->device->id, | |
811 | cp->device->lun, rsp_info_len, rsp_info[0], | |
812 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
813 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
814 | |
815 | cp->result = DID_BUS_BUSY << 16; | |
f4f051eb | 816 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
817 | return; |
818 | } | |
819 | } | |
820 | ||
821 | /* | |
822 | * Based on Host and scsi status generate status code for Linux | |
823 | */ | |
824 | switch (comp_status) { | |
825 | case CS_COMPLETE: | |
826 | if (scsi_status == 0) { | |
827 | cp->result = DID_OK << 16; | |
828 | break; | |
829 | } | |
830 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 831 | resid = resid_len; |
1da177e4 LT |
832 | cp->resid = resid; |
833 | CMD_RESID_LEN(cp) = resid; | |
0da69df1 AV |
834 | |
835 | if (!lscsi_status && | |
836 | ((unsigned)(cp->request_bufflen - resid) < | |
837 | cp->underflow)) { | |
838 | qla_printk(KERN_INFO, ha, | |
839 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " | |
840 | "detected (%x of %x bytes)...returning " | |
841 | "error status.\n", ha->host_no, | |
842 | cp->device->channel, cp->device->id, | |
843 | cp->device->lun, resid, | |
844 | cp->request_bufflen); | |
845 | ||
846 | cp->result = DID_ERROR << 16; | |
847 | break; | |
848 | } | |
1da177e4 | 849 | } |
1da177e4 LT |
850 | cp->result = DID_OK << 16 | lscsi_status; |
851 | ||
852 | if (lscsi_status != SS_CHECK_CONDITION) | |
853 | break; | |
854 | ||
9a853f71 | 855 | /* Copy Sense Data into sense buffer. */ |
1da177e4 LT |
856 | memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); |
857 | ||
858 | if (!(scsi_status & SS_SENSE_LEN_VALID)) | |
859 | break; | |
860 | ||
9a853f71 AV |
861 | if (sense_len >= sizeof(cp->sense_buffer)) |
862 | sense_len = sizeof(cp->sense_buffer); | |
1da177e4 | 863 | |
9a853f71 AV |
864 | CMD_ACTUAL_SNSLEN(cp) = sense_len; |
865 | sp->request_sense_length = sense_len; | |
1da177e4 LT |
866 | sp->request_sense_ptr = cp->sense_buffer; |
867 | ||
868 | if (sp->request_sense_length > 32) | |
9a853f71 | 869 | sense_len = 32; |
1da177e4 | 870 | |
9a853f71 | 871 | memcpy(cp->sense_buffer, sense_data, sense_len); |
1da177e4 | 872 | |
9a853f71 AV |
873 | sp->request_sense_ptr += sense_len; |
874 | sp->request_sense_length -= sense_len; | |
1da177e4 LT |
875 | if (sp->request_sense_length != 0) |
876 | ha->status_srb = sp; | |
877 | ||
1da177e4 | 878 | DEBUG5(printk("%s(): Check condition Sense data, " |
9a853f71 AV |
879 | "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__, |
880 | ha->host_no, cp->device->channel, cp->device->id, | |
881 | cp->device->lun, cp, cp->serial_number)); | |
882 | if (sense_len) | |
1da177e4 LT |
883 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, |
884 | CMD_ACTUAL_SNSLEN(cp))); | |
885 | break; | |
886 | ||
887 | case CS_DATA_UNDERRUN: | |
9a853f71 | 888 | resid = resid_len; |
ed17c71b RA |
889 | /* Use F/W calculated residual length. */ |
890 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) | |
891 | resid = fw_resid_len; | |
892 | ||
1da177e4 LT |
893 | if (scsi_status & SS_RESIDUAL_UNDER) { |
894 | cp->resid = resid; | |
895 | CMD_RESID_LEN(cp) = resid; | |
e038a1be | 896 | } else { |
897 | DEBUG2(printk(KERN_INFO | |
898 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b RA |
899 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
900 | "os_underflow=0x%x\n", ha->host_no, | |
901 | cp->device->id, cp->device->lun, comp_status, | |
902 | scsi_status, resid_len, resid, cp->cmnd[0], | |
903 | cp->underflow)); | |
e038a1be | 904 | |
1da177e4 LT |
905 | } |
906 | ||
907 | /* | |
fa2a1ce5 | 908 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
909 | * Status. |
910 | */ | |
911 | if (lscsi_status != 0) { | |
1da177e4 LT |
912 | cp->result = DID_OK << 16 | lscsi_status; |
913 | ||
914 | if (lscsi_status != SS_CHECK_CONDITION) | |
915 | break; | |
916 | ||
917 | /* Copy Sense Data into sense buffer */ | |
918 | memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); | |
919 | ||
920 | if (!(scsi_status & SS_SENSE_LEN_VALID)) | |
921 | break; | |
922 | ||
9a853f71 AV |
923 | if (sense_len >= sizeof(cp->sense_buffer)) |
924 | sense_len = sizeof(cp->sense_buffer); | |
1da177e4 | 925 | |
9a853f71 AV |
926 | CMD_ACTUAL_SNSLEN(cp) = sense_len; |
927 | sp->request_sense_length = sense_len; | |
1da177e4 LT |
928 | sp->request_sense_ptr = cp->sense_buffer; |
929 | ||
fa2a1ce5 | 930 | if (sp->request_sense_length > 32) |
9a853f71 | 931 | sense_len = 32; |
1da177e4 | 932 | |
9a853f71 | 933 | memcpy(cp->sense_buffer, sense_data, sense_len); |
1da177e4 | 934 | |
9a853f71 AV |
935 | sp->request_sense_ptr += sense_len; |
936 | sp->request_sense_length -= sense_len; | |
1da177e4 LT |
937 | if (sp->request_sense_length != 0) |
938 | ha->status_srb = sp; | |
939 | ||
1da177e4 LT |
940 | DEBUG5(printk("%s(): Check condition Sense data, " |
941 | "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", | |
9a853f71 AV |
942 | __func__, ha->host_no, cp->device->channel, |
943 | cp->device->id, cp->device->lun, cp, | |
1da177e4 | 944 | cp->serial_number)); |
9a853f71 AV |
945 | |
946 | if (sense_len) | |
1da177e4 LT |
947 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, |
948 | CMD_ACTUAL_SNSLEN(cp))); | |
949 | } else { | |
950 | /* | |
951 | * If RISC reports underrun and target does not report | |
952 | * it then we must have a lost frame, so tell upper | |
953 | * layer to retry it by reporting a bus busy. | |
954 | */ | |
955 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
956 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
957 | "frame(s) detected (%x of %x bytes)..." | |
9a853f71 AV |
958 | "retrying command.\n", ha->host_no, |
959 | cp->device->channel, cp->device->id, | |
960 | cp->device->lun, resid, | |
1da177e4 LT |
961 | cp->request_bufflen)); |
962 | ||
963 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
964 | break; |
965 | } | |
966 | ||
967 | /* Handle mid-layer underflow */ | |
968 | if ((unsigned)(cp->request_bufflen - resid) < | |
969 | cp->underflow) { | |
970 | qla_printk(KERN_INFO, ha, | |
971 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " | |
972 | "detected (%x of %x bytes)...returning " | |
9a853f71 AV |
973 | "error status.\n", ha->host_no, |
974 | cp->device->channel, cp->device->id, | |
975 | cp->device->lun, resid, | |
1da177e4 LT |
976 | cp->request_bufflen); |
977 | ||
978 | cp->result = DID_ERROR << 16; | |
979 | break; | |
980 | } | |
981 | ||
982 | /* Everybody online, looking good... */ | |
983 | cp->result = DID_OK << 16; | |
984 | } | |
985 | break; | |
986 | ||
987 | case CS_DATA_OVERRUN: | |
988 | DEBUG2(printk(KERN_INFO | |
989 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
9a853f71 AV |
990 | ha->host_no, cp->device->id, cp->device->lun, comp_status, |
991 | scsi_status)); | |
1da177e4 LT |
992 | DEBUG2(printk(KERN_INFO |
993 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
994 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
995 | cp->cmnd[4], cp->cmnd[5])); | |
996 | DEBUG2(printk(KERN_INFO | |
997 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
998 | "status!\n", | |
9a853f71 | 999 | cp->serial_number, cp->request_bufflen, resid_len)); |
1da177e4 LT |
1000 | |
1001 | cp->result = DID_ERROR << 16; | |
1002 | break; | |
1003 | ||
1004 | case CS_PORT_LOGGED_OUT: | |
1005 | case CS_PORT_CONFIG_CHG: | |
1006 | case CS_PORT_BUSY: | |
1007 | case CS_INCOMPLETE: | |
1008 | case CS_PORT_UNAVAILABLE: | |
1009 | /* | |
1010 | * If the port is in Target Down state, return all IOs for this | |
1011 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1012 | * retry_queue. | |
1013 | */ | |
1da177e4 LT |
1014 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1015 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
9a853f71 AV |
1016 | ha->host_no, cp->device->id, cp->device->lun, |
1017 | cp->serial_number, comp_status, | |
1da177e4 LT |
1018 | atomic_read(&fcport->state))); |
1019 | ||
f4f051eb | 1020 | cp->result = DID_BUS_BUSY << 16; |
1da177e4 | 1021 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
d97994dc | 1022 | qla2x00_mark_device_lost(ha, fcport, 1, 1); |
1da177e4 | 1023 | } |
1da177e4 LT |
1024 | break; |
1025 | ||
1026 | case CS_RESET: | |
1027 | DEBUG2(printk(KERN_INFO | |
1028 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
1029 | ha->host_no, comp_status, scsi_status)); | |
1030 | ||
f4f051eb | 1031 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1032 | break; |
1033 | ||
1034 | case CS_ABORTED: | |
fa2a1ce5 | 1035 | /* |
1da177e4 LT |
1036 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1037 | * aborted this request then abort otherwise it must be a | |
1038 | * reset. | |
1039 | */ | |
1040 | DEBUG2(printk(KERN_INFO | |
1041 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
1042 | ha->host_no, comp_status, scsi_status)); | |
1043 | ||
1044 | cp->result = DID_RESET << 16; | |
1045 | break; | |
1046 | ||
1047 | case CS_TIMEOUT: | |
9a853f71 AV |
1048 | cp->result = DID_BUS_BUSY << 16; |
1049 | ||
044cc6c8 | 1050 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
9a853f71 AV |
1051 | DEBUG2(printk(KERN_INFO |
1052 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
1053 | "0x%x-0x%x\n", ha->host_no, cp->device->channel, | |
1054 | cp->device->id, cp->device->lun, comp_status, | |
1055 | scsi_status)); | |
1056 | break; | |
1057 | } | |
1da177e4 LT |
1058 | DEBUG2(printk(KERN_INFO |
1059 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
9a853f71 AV |
1060 | "sflags=%x.\n", ha->host_no, cp->device->channel, |
1061 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
1062 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1063 | |
9a853f71 AV |
1064 | /* Check to see if logout occurred. */ |
1065 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
d97994dc | 1066 | qla2x00_mark_device_lost(ha, fcport, 1, 1); |
1da177e4 LT |
1067 | break; |
1068 | ||
1069 | case CS_QUEUE_FULL: | |
1070 | DEBUG2(printk(KERN_INFO | |
1071 | "scsi(%ld): QUEUE FULL status detected 0x%x-0x%x.\n", | |
1072 | ha->host_no, comp_status, scsi_status)); | |
1073 | ||
1074 | /* SCSI Mid-Layer handles device queue full */ | |
1075 | ||
fa2a1ce5 | 1076 | cp->result = DID_OK << 16 | lscsi_status; |
1da177e4 | 1077 | |
1da177e4 LT |
1078 | break; |
1079 | ||
1080 | default: | |
1081 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
9a853f71 | 1082 | "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1083 | qla_printk(KERN_INFO, ha, |
1084 | "Unknown status detected 0x%x-0x%x.\n", | |
1085 | comp_status, scsi_status); | |
1086 | ||
1087 | cp->result = DID_ERROR << 16; | |
1088 | break; | |
1089 | } | |
1090 | ||
1091 | /* Place command on done queue. */ | |
1092 | if (ha->status_srb == NULL) | |
f4f051eb | 1093 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1094 | } |
1095 | ||
1096 | /** | |
1097 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1098 | * @ha: SCSI driver HA context | |
1099 | * @pkt: Entry pointer | |
1100 | * | |
1101 | * Extended sense data. | |
1102 | */ | |
1103 | static void | |
1104 | qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt) | |
1105 | { | |
1106 | uint8_t sense_sz = 0; | |
1107 | srb_t *sp = ha->status_srb; | |
1108 | struct scsi_cmnd *cp; | |
1109 | ||
1110 | if (sp != NULL && sp->request_sense_length != 0) { | |
1111 | cp = sp->cmd; | |
1112 | if (cp == NULL) { | |
1113 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1114 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1115 | qla_printk(KERN_INFO, ha, |
1116 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1117 | sp); |
1da177e4 LT |
1118 | |
1119 | ha->status_srb = NULL; | |
1120 | return; | |
1121 | } | |
1122 | ||
1123 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1124 | sense_sz = sizeof(pkt->data); | |
1125 | } else { | |
1126 | sense_sz = sp->request_sense_length; | |
1127 | } | |
1128 | ||
1129 | /* Move sense data. */ | |
044cc6c8 | 1130 | if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) |
9a853f71 | 1131 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1132 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1133 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1134 | ||
1135 | sp->request_sense_ptr += sense_sz; | |
1136 | sp->request_sense_length -= sense_sz; | |
1137 | ||
1138 | /* Place command on done queue. */ | |
1139 | if (sp->request_sense_length == 0) { | |
1da177e4 | 1140 | ha->status_srb = NULL; |
f4f051eb | 1141 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1142 | } |
1143 | } | |
1144 | } | |
1145 | ||
1146 | /** | |
1147 | * qla2x00_error_entry() - Process an error entry. | |
1148 | * @ha: SCSI driver HA context | |
1149 | * @pkt: Entry pointer | |
1150 | */ | |
1151 | static void | |
9a853f71 | 1152 | qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) |
1da177e4 LT |
1153 | { |
1154 | srb_t *sp; | |
1155 | ||
1156 | #if defined(QL_DEBUG_LEVEL_2) | |
1157 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1158 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1159 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1160 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1161 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1162 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1163 | "%s: Invalid Entry Parameter\n", __func__); |
1164 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1165 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1166 | else if (pkt->entry_status & RF_BUSY) | |
1167 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1168 | else | |
1169 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1170 | #endif | |
1171 | ||
1172 | /* Validate handle. */ | |
1173 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
1174 | sp = ha->outstanding_cmds[pkt->handle]; | |
1175 | else | |
1176 | sp = NULL; | |
1177 | ||
1178 | if (sp) { | |
1179 | /* Free outstanding command slot. */ | |
1180 | ha->outstanding_cmds[pkt->handle] = NULL; | |
354d6b21 | 1181 | |
1da177e4 LT |
1182 | /* Bad payload or header */ |
1183 | if (pkt->entry_status & | |
1184 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1185 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1186 | sp->cmd->result = DID_ERROR << 16; | |
1187 | } else if (pkt->entry_status & RF_BUSY) { | |
1188 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1189 | } else { | |
1190 | sp->cmd->result = DID_ERROR << 16; | |
1191 | } | |
f4f051eb | 1192 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1193 | |
9a853f71 AV |
1194 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1195 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 LT |
1196 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
1197 | ha->host_no)); | |
1198 | qla_printk(KERN_WARNING, ha, | |
1199 | "Error entry - invalid handle\n"); | |
1200 | ||
1201 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 1202 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
1203 | } |
1204 | } | |
1205 | ||
1206 | /** | |
1207 | * qla2x00_ms_entry() - Process a Management Server entry. | |
1208 | * @ha: SCSI driver HA context | |
1209 | * @index: Response queue out pointer | |
1210 | */ | |
1211 | static void | |
9a853f71 | 1212 | qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt) |
1da177e4 LT |
1213 | { |
1214 | srb_t *sp; | |
1215 | ||
1216 | DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n", | |
1217 | __func__, ha->host_no, pkt, pkt->handle1)); | |
1218 | ||
1219 | /* Validate handle. */ | |
1220 | if (pkt->handle1 < MAX_OUTSTANDING_COMMANDS) | |
1221 | sp = ha->outstanding_cmds[pkt->handle1]; | |
1222 | else | |
1223 | sp = NULL; | |
1224 | ||
1225 | if (sp == NULL) { | |
1226 | DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n", | |
1227 | ha->host_no)); | |
1228 | qla_printk(KERN_WARNING, ha, "MS entry - invalid handle\n"); | |
1229 | ||
1230 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1231 | return; | |
1232 | } | |
1233 | ||
1234 | CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->status); | |
1235 | CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status; | |
1236 | ||
1237 | /* Free outstanding command slot. */ | |
1238 | ha->outstanding_cmds[pkt->handle1] = NULL; | |
1239 | ||
f4f051eb | 1240 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1241 | } |
9a853f71 AV |
1242 | |
1243 | ||
1244 | /** | |
1245 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1246 | * @ha: SCSI driver HA context | |
1247 | * @mb0: Mailbox0 register | |
1248 | */ | |
1249 | static void | |
1250 | qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
1251 | { | |
1252 | uint16_t cnt; | |
1253 | uint16_t __iomem *wptr; | |
1254 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1255 | ||
1256 | /* Load return mailbox registers. */ | |
1257 | ha->flags.mbox_int = 1; | |
1258 | ha->mailbox_out[0] = mb0; | |
1259 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1260 | ||
1261 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1262 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1263 | wptr++; | |
1264 | } | |
1265 | ||
1266 | if (ha->mcp) { | |
1267 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
1268 | __func__, ha->host_no, ha->mcp->mb[0])); | |
1269 | } else { | |
1270 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
1271 | __func__, ha->host_no)); | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | /** | |
1276 | * qla24xx_process_response_queue() - Process response queue entries. | |
1277 | * @ha: SCSI driver HA context | |
1278 | */ | |
1279 | void | |
1280 | qla24xx_process_response_queue(struct scsi_qla_host *ha) | |
1281 | { | |
1282 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1283 | struct sts_entry_24xx *pkt; | |
1284 | ||
1285 | if (!ha->flags.online) | |
1286 | return; | |
1287 | ||
1288 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
1289 | pkt = (struct sts_entry_24xx *)ha->response_ring_ptr; | |
1290 | ||
1291 | ha->rsp_ring_index++; | |
1292 | if (ha->rsp_ring_index == ha->response_q_length) { | |
1293 | ha->rsp_ring_index = 0; | |
1294 | ha->response_ring_ptr = ha->response_ring; | |
1295 | } else { | |
1296 | ha->response_ring_ptr++; | |
1297 | } | |
1298 | ||
1299 | if (pkt->entry_status != 0) { | |
1300 | DEBUG3(printk(KERN_INFO | |
1301 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
1302 | ||
9a853f71 AV |
1303 | qla2x00_error_entry(ha, (sts_entry_t *) pkt); |
1304 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1305 | wmb(); | |
1306 | continue; | |
1307 | } | |
1308 | ||
1309 | switch (pkt->entry_type) { | |
1310 | case STATUS_TYPE: | |
1311 | qla2x00_status_entry(ha, pkt); | |
1312 | break; | |
1313 | case STATUS_CONT_TYPE: | |
1314 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
1315 | break; | |
1316 | case MS_IOCB_TYPE: | |
1317 | qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt); | |
1318 | break; | |
1319 | default: | |
1320 | /* Type Not Supported. */ | |
1321 | DEBUG4(printk(KERN_WARNING | |
1322 | "scsi(%ld): Received unknown response pkt type %x " | |
1323 | "entry status=%x.\n", | |
1324 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
1325 | break; | |
1326 | } | |
1327 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1328 | wmb(); | |
1329 | } | |
1330 | ||
1331 | /* Adjust ring index */ | |
1332 | WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index); | |
1333 | } | |
1334 | ||
1335 | /** | |
1336 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1337 | * @irq: | |
1338 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1339 | * |
1340 | * Called by system whenever the host adapter generates an interrupt. | |
1341 | * | |
1342 | * Returns handled flag. | |
1343 | */ | |
1344 | irqreturn_t | |
7d12e780 | 1345 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 AV |
1346 | { |
1347 | scsi_qla_host_t *ha; | |
1348 | struct device_reg_24xx __iomem *reg; | |
1349 | int status; | |
1350 | unsigned long flags; | |
1351 | unsigned long iter; | |
1352 | uint32_t stat; | |
1353 | uint32_t hccr; | |
1354 | uint16_t mb[4]; | |
1355 | ||
1356 | ha = (scsi_qla_host_t *) dev_id; | |
1357 | if (!ha) { | |
1358 | printk(KERN_INFO | |
1359 | "%s(): NULL host pointer\n", __func__); | |
1360 | return IRQ_NONE; | |
1361 | } | |
1362 | ||
1363 | reg = &ha->iobase->isp24; | |
1364 | status = 0; | |
1365 | ||
1366 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1367 | for (iter = 50; iter--; ) { | |
1368 | stat = RD_REG_DWORD(®->host_status); | |
1369 | if (stat & HSRX_RISC_PAUSED) { | |
1370 | hccr = RD_REG_DWORD(®->hccr); | |
1371 | ||
1372 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1373 | "Dumping firmware!\n", hccr); | |
1374 | qla24xx_fw_dump(ha, 1); | |
1375 | ||
1376 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1377 | break; | |
1378 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1379 | break; | |
1380 | ||
1381 | switch (stat & 0xff) { | |
1382 | case 0x1: | |
1383 | case 0x2: | |
1384 | case 0x10: | |
1385 | case 0x11: | |
1386 | qla24xx_mbx_completion(ha, MSW(stat)); | |
1387 | status |= MBX_INTERRUPT; | |
1388 | ||
1389 | break; | |
1390 | case 0x12: | |
1391 | mb[0] = MSW(stat); | |
1392 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1393 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1394 | mb[3] = RD_REG_WORD(®->mailbox3); | |
1395 | qla2x00_async_event(ha, mb); | |
1396 | break; | |
1397 | case 0x13: | |
1398 | qla24xx_process_response_queue(ha); | |
1399 | break; | |
1400 | default: | |
1401 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1402 | "(%d).\n", | |
1403 | ha->host_no, stat & 0xff)); | |
1404 | break; | |
1405 | } | |
1406 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1407 | RD_REG_DWORD_RELAXED(®->hccr); | |
1408 | } | |
1409 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1410 | ||
1411 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1412 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1413 | spin_lock_irqsave(&ha->mbx_reg_lock, flags); | |
1414 | ||
1415 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); | |
1416 | up(&ha->mbx_intr_sem); | |
1417 | ||
1418 | spin_unlock_irqrestore(&ha->mbx_reg_lock, flags); | |
1419 | } | |
1420 | ||
1421 | return IRQ_HANDLED; | |
1422 | } | |
1423 | ||
1424 | /** | |
1425 | * qla24xx_ms_entry() - Process a Management Server entry. | |
1426 | * @ha: SCSI driver HA context | |
1427 | * @index: Response queue out pointer | |
1428 | */ | |
1429 | static void | |
1430 | qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt) | |
1431 | { | |
1432 | srb_t *sp; | |
1433 | ||
1434 | DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n", | |
1435 | __func__, ha->host_no, pkt, pkt->handle)); | |
1436 | ||
744f11fd AV |
1437 | DEBUG9(printk("%s: ct pkt dump:\n", __func__)); |
1438 | DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx))); | |
9a853f71 AV |
1439 | |
1440 | /* Validate handle. */ | |
1441 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
1442 | sp = ha->outstanding_cmds[pkt->handle]; | |
1443 | else | |
1444 | sp = NULL; | |
1445 | ||
1446 | if (sp == NULL) { | |
1447 | DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n", | |
1448 | ha->host_no)); | |
1449 | DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n", | |
1450 | ha->host_no)); | |
1451 | qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n", | |
1452 | pkt->handle); | |
1453 | ||
1454 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1455 | return; | |
1456 | } | |
1457 | ||
1458 | CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status); | |
1459 | CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status; | |
1460 | ||
1461 | /* Free outstanding command slot. */ | |
1462 | ha->outstanding_cmds[pkt->handle] = NULL; | |
1463 | ||
1464 | qla2x00_sp_compl(ha, sp); | |
1465 | } | |
1466 |