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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
fa90c54f | 2 | * QLogic Fibre Channel HBA Driver |
01e58d8e | 3 | * Copyright (c) 2003-2008 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
1da177e4 LT |
6 | */ |
7 | #include "qla_def.h" | |
8 | ||
05236a05 | 9 | #include <linux/delay.h> |
df7baa50 AV |
10 | #include <scsi/scsi_tcq.h> |
11 | ||
1da177e4 | 12 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
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 *); | |
9a853f71 | 17 | |
1da177e4 LT |
18 | /** |
19 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. | |
20 | * @irq: | |
21 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
22 | * |
23 | * Called by system whenever the host adapter generates an interrupt. | |
24 | * | |
25 | * Returns handled flag. | |
26 | */ | |
27 | irqreturn_t | |
7d12e780 | 28 | qla2100_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
29 | { |
30 | scsi_qla_host_t *ha; | |
3d71644c | 31 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 32 | int status; |
1da177e4 | 33 | unsigned long iter; |
14e660e6 | 34 | uint16_t hccr; |
9a853f71 | 35 | uint16_t mb[4]; |
1da177e4 LT |
36 | |
37 | ha = (scsi_qla_host_t *) dev_id; | |
38 | if (!ha) { | |
39 | printk(KERN_INFO | |
40 | "%s(): NULL host pointer\n", __func__); | |
41 | return (IRQ_NONE); | |
42 | } | |
43 | ||
3d71644c | 44 | reg = &ha->iobase->isp; |
1da177e4 LT |
45 | status = 0; |
46 | ||
c6952483 | 47 | spin_lock(&ha->hardware_lock); |
1da177e4 | 48 | for (iter = 50; iter--; ) { |
14e660e6 SJ |
49 | hccr = RD_REG_WORD(®->hccr); |
50 | if (hccr & HCCR_RISC_PAUSE) { | |
51 | if (pci_channel_offline(ha->pdev)) | |
52 | break; | |
53 | ||
54 | /* | |
55 | * Issue a "HARD" reset in order for the RISC interrupt | |
56 | * bit to be cleared. Schedule a big hammmer to get | |
57 | * out of the RISC PAUSED state. | |
58 | */ | |
59 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
60 | RD_REG_WORD(®->hccr); | |
61 | ||
62 | ha->isp_ops->fw_dump(ha, 1); | |
63 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
64 | break; | |
65 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) | |
1da177e4 LT |
66 | break; |
67 | ||
68 | if (RD_REG_WORD(®->semaphore) & BIT_0) { | |
69 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
70 | RD_REG_WORD(®->hccr); | |
71 | ||
72 | /* Get mailbox data. */ | |
9a853f71 AV |
73 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
74 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { | |
75 | qla2x00_mbx_completion(ha, mb[0]); | |
1da177e4 | 76 | status |= MBX_INTERRUPT; |
9a853f71 AV |
77 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
78 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
79 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
80 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
81 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
82 | } else { |
83 | /*EMPTY*/ | |
84 | DEBUG2(printk("scsi(%ld): Unrecognized " | |
9a853f71 AV |
85 | "interrupt type (%d).\n", |
86 | ha->host_no, mb[0])); | |
1da177e4 LT |
87 | } |
88 | /* Release mailbox registers. */ | |
89 | WRT_REG_WORD(®->semaphore, 0); | |
90 | RD_REG_WORD(®->semaphore); | |
91 | } else { | |
92 | qla2x00_process_response_queue(ha); | |
93 | ||
94 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
95 | RD_REG_WORD(®->hccr); | |
96 | } | |
97 | } | |
c6952483 | 98 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 99 | |
1da177e4 LT |
100 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
101 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 102 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 103 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
104 | } |
105 | ||
1da177e4 LT |
106 | return (IRQ_HANDLED); |
107 | } | |
108 | ||
109 | /** | |
110 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
111 | * @irq: | |
112 | * @dev_id: SCSI driver HA context | |
1da177e4 LT |
113 | * |
114 | * Called by system whenever the host adapter generates an interrupt. | |
115 | * | |
116 | * Returns handled flag. | |
117 | */ | |
118 | irqreturn_t | |
7d12e780 | 119 | qla2300_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
120 | { |
121 | scsi_qla_host_t *ha; | |
3d71644c | 122 | struct device_reg_2xxx __iomem *reg; |
1da177e4 | 123 | int status; |
1da177e4 LT |
124 | unsigned long iter; |
125 | uint32_t stat; | |
1da177e4 | 126 | uint16_t hccr; |
9a853f71 | 127 | uint16_t mb[4]; |
1da177e4 LT |
128 | |
129 | ha = (scsi_qla_host_t *) dev_id; | |
130 | if (!ha) { | |
131 | printk(KERN_INFO | |
132 | "%s(): NULL host pointer\n", __func__); | |
133 | return (IRQ_NONE); | |
134 | } | |
135 | ||
3d71644c | 136 | reg = &ha->iobase->isp; |
1da177e4 LT |
137 | status = 0; |
138 | ||
c6952483 | 139 | spin_lock(&ha->hardware_lock); |
1da177e4 LT |
140 | for (iter = 50; iter--; ) { |
141 | stat = RD_REG_DWORD(®->u.isp2300.host_status); | |
142 | if (stat & HSR_RISC_PAUSED) { | |
14e660e6 SJ |
143 | if (pci_channel_offline(ha->pdev)) |
144 | break; | |
145 | ||
1da177e4 LT |
146 | hccr = RD_REG_WORD(®->hccr); |
147 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) | |
07f31805 AV |
148 | qla_printk(KERN_INFO, ha, "Parity error -- " |
149 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 | 150 | else |
07f31805 AV |
151 | qla_printk(KERN_INFO, ha, "RISC paused -- " |
152 | "HCCR=%x, Dumping firmware!\n", hccr); | |
1da177e4 LT |
153 | |
154 | /* | |
155 | * Issue a "HARD" reset in order for the RISC | |
156 | * interrupt bit to be cleared. Schedule a big | |
157 | * hammmer to get out of the RISC PAUSED state. | |
158 | */ | |
159 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
160 | RD_REG_WORD(®->hccr); | |
07f31805 | 161 | |
fd34f556 | 162 | ha->isp_ops->fw_dump(ha, 1); |
1da177e4 LT |
163 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
164 | break; | |
165 | } else if ((stat & HSR_RISC_INT) == 0) | |
166 | break; | |
167 | ||
1da177e4 | 168 | switch (stat & 0xff) { |
1da177e4 LT |
169 | case 0x1: |
170 | case 0x2: | |
171 | case 0x10: | |
172 | case 0x11: | |
9a853f71 | 173 | qla2x00_mbx_completion(ha, MSW(stat)); |
1da177e4 LT |
174 | status |= MBX_INTERRUPT; |
175 | ||
176 | /* Release mailbox registers. */ | |
177 | WRT_REG_WORD(®->semaphore, 0); | |
178 | break; | |
179 | case 0x12: | |
9a853f71 AV |
180 | mb[0] = MSW(stat); |
181 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
182 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
183 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
184 | qla2x00_async_event(ha, mb); | |
185 | break; | |
186 | case 0x13: | |
187 | qla2x00_process_response_queue(ha); | |
1da177e4 LT |
188 | break; |
189 | case 0x15: | |
9a853f71 AV |
190 | mb[0] = MBA_CMPLT_1_16BIT; |
191 | mb[1] = MSW(stat); | |
192 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
193 | break; |
194 | case 0x16: | |
9a853f71 AV |
195 | mb[0] = MBA_SCSI_COMPLETION; |
196 | mb[1] = MSW(stat); | |
197 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
198 | qla2x00_async_event(ha, mb); | |
1da177e4 LT |
199 | break; |
200 | default: | |
201 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
9a853f71 | 202 | "(%d).\n", |
1da177e4 LT |
203 | ha->host_no, stat & 0xff)); |
204 | break; | |
205 | } | |
206 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
207 | RD_REG_WORD_RELAXED(®->hccr); | |
208 | } | |
c6952483 | 209 | spin_unlock(&ha->hardware_lock); |
1da177e4 | 210 | |
1da177e4 LT |
211 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
212 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
1da177e4 | 213 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 214 | complete(&ha->mbx_intr_comp); |
1da177e4 LT |
215 | } |
216 | ||
1da177e4 LT |
217 | return (IRQ_HANDLED); |
218 | } | |
219 | ||
220 | /** | |
221 | * qla2x00_mbx_completion() - Process mailbox command completions. | |
222 | * @ha: SCSI driver HA context | |
223 | * @mb0: Mailbox0 register | |
224 | */ | |
225 | static void | |
226 | qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
227 | { | |
228 | uint16_t cnt; | |
229 | uint16_t __iomem *wptr; | |
3d71644c | 230 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
231 | |
232 | /* Load return mailbox registers. */ | |
233 | ha->flags.mbox_int = 1; | |
234 | ha->mailbox_out[0] = mb0; | |
235 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); | |
236 | ||
237 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
fa2a1ce5 | 238 | if (IS_QLA2200(ha) && cnt == 8) |
1da177e4 LT |
239 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
240 | if (cnt == 4 || cnt == 5) | |
241 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); | |
242 | else | |
243 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
fa2a1ce5 | 244 | |
1da177e4 LT |
245 | wptr++; |
246 | } | |
247 | ||
248 | if (ha->mcp) { | |
249 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
250 | __func__, ha->host_no, ha->mcp->mb[0])); | |
251 | } else { | |
252 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
253 | __func__, ha->host_no)); | |
254 | } | |
255 | } | |
256 | ||
257 | /** | |
258 | * qla2x00_async_event() - Process aynchronous events. | |
259 | * @ha: SCSI driver HA context | |
9a853f71 | 260 | * @mb: Mailbox registers (0 - 3) |
1da177e4 | 261 | */ |
2c3dfe3f | 262 | void |
9a853f71 | 263 | qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) |
1da177e4 | 264 | { |
9a853f71 | 265 | #define LS_UNKNOWN 2 |
c3a2f0df | 266 | static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; |
1da177e4 | 267 | char *link_speed; |
1da177e4 LT |
268 | uint16_t handle_cnt; |
269 | uint16_t cnt; | |
270 | uint32_t handles[5]; | |
3d71644c | 271 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
272 | uint32_t rscn_entry, host_pid; |
273 | uint8_t rscn_queue_index; | |
4d4df193 | 274 | unsigned long flags; |
1da177e4 LT |
275 | |
276 | /* Setup to process RIO completion. */ | |
277 | handle_cnt = 0; | |
1da177e4 LT |
278 | switch (mb[0]) { |
279 | case MBA_SCSI_COMPLETION: | |
9a853f71 | 280 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
281 | handle_cnt = 1; |
282 | break; | |
283 | case MBA_CMPLT_1_16BIT: | |
9a853f71 | 284 | handles[0] = mb[1]; |
1da177e4 LT |
285 | handle_cnt = 1; |
286 | mb[0] = MBA_SCSI_COMPLETION; | |
287 | break; | |
288 | case MBA_CMPLT_2_16BIT: | |
9a853f71 AV |
289 | handles[0] = mb[1]; |
290 | handles[1] = mb[2]; | |
1da177e4 LT |
291 | handle_cnt = 2; |
292 | mb[0] = MBA_SCSI_COMPLETION; | |
293 | break; | |
294 | case MBA_CMPLT_3_16BIT: | |
9a853f71 AV |
295 | handles[0] = mb[1]; |
296 | handles[1] = mb[2]; | |
297 | handles[2] = mb[3]; | |
1da177e4 LT |
298 | handle_cnt = 3; |
299 | mb[0] = MBA_SCSI_COMPLETION; | |
300 | break; | |
301 | case MBA_CMPLT_4_16BIT: | |
9a853f71 AV |
302 | handles[0] = mb[1]; |
303 | handles[1] = mb[2]; | |
304 | handles[2] = mb[3]; | |
1da177e4 LT |
305 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
306 | handle_cnt = 4; | |
307 | mb[0] = MBA_SCSI_COMPLETION; | |
308 | break; | |
309 | case MBA_CMPLT_5_16BIT: | |
9a853f71 AV |
310 | handles[0] = mb[1]; |
311 | handles[1] = mb[2]; | |
312 | handles[2] = mb[3]; | |
1da177e4 LT |
313 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
314 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); | |
315 | handle_cnt = 5; | |
316 | mb[0] = MBA_SCSI_COMPLETION; | |
317 | break; | |
318 | case MBA_CMPLT_2_32BIT: | |
9a853f71 | 319 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
1da177e4 LT |
320 | handles[1] = le32_to_cpu( |
321 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | | |
322 | RD_MAILBOX_REG(ha, reg, 6)); | |
323 | handle_cnt = 2; | |
324 | mb[0] = MBA_SCSI_COMPLETION; | |
325 | break; | |
326 | default: | |
327 | break; | |
328 | } | |
329 | ||
330 | switch (mb[0]) { | |
331 | case MBA_SCSI_COMPLETION: /* Fast Post */ | |
332 | if (!ha->flags.online) | |
333 | break; | |
334 | ||
335 | for (cnt = 0; cnt < handle_cnt; cnt++) | |
336 | qla2x00_process_completed_request(ha, handles[cnt]); | |
337 | break; | |
338 | ||
339 | case MBA_RESET: /* Reset */ | |
340 | DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no)); | |
341 | ||
342 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
343 | break; | |
344 | ||
345 | case MBA_SYSTEM_ERR: /* System Error */ | |
1da177e4 LT |
346 | qla_printk(KERN_INFO, ha, |
347 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", | |
348 | mb[1], mb[2], mb[3]); | |
349 | ||
cb8dacbf | 350 | qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]); |
fd34f556 | 351 | ha->isp_ops->fw_dump(ha, 1); |
1da177e4 | 352 | |
e428924c | 353 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
354 | if (mb[1] == 0 && mb[2] == 0) { |
355 | qla_printk(KERN_ERR, ha, | |
356 | "Unrecoverable Hardware Error: adapter " | |
357 | "marked OFFLINE!\n"); | |
358 | ha->flags.online = 0; | |
359 | } else | |
360 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
361 | } else if (mb[1] == 0) { | |
1da177e4 LT |
362 | qla_printk(KERN_INFO, ha, |
363 | "Unrecoverable Hardware Error: adapter marked " | |
364 | "OFFLINE!\n"); | |
365 | ha->flags.online = 0; | |
366 | } else | |
367 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
368 | break; | |
369 | ||
370 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
371 | DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", | |
372 | ha->host_no)); | |
373 | qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); | |
374 | ||
cb8dacbf | 375 | qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]); |
1da177e4 LT |
376 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
377 | break; | |
378 | ||
379 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
380 | DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", | |
381 | ha->host_no)); | |
382 | qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); | |
383 | ||
cb8dacbf | 384 | qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]); |
1da177e4 LT |
385 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
386 | break; | |
387 | ||
388 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
389 | DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", | |
390 | ha->host_no)); | |
391 | break; | |
392 | ||
393 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ | |
cc3ef7bc | 394 | DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", ha->host_no, |
1da177e4 | 395 | mb[1])); |
cc3ef7bc | 396 | qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); |
1da177e4 LT |
397 | |
398 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
399 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
400 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 401 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
402 | } |
403 | ||
2c3dfe3f SJ |
404 | if (ha->parent) { |
405 | atomic_set(&ha->vp_state, VP_FAILED); | |
406 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
407 | } | |
408 | ||
1da177e4 | 409 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); |
7e47e5ca | 410 | set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); |
1da177e4 LT |
411 | |
412 | ha->flags.management_server_logged_in = 0; | |
0971de7f | 413 | qla2x00_post_aen_work(ha, FCH_EVT_LIP, mb[1]); |
1da177e4 LT |
414 | break; |
415 | ||
416 | case MBA_LOOP_UP: /* Loop Up Event */ | |
1da177e4 LT |
417 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
418 | link_speed = link_speeds[0]; | |
d8b45213 | 419 | ha->link_data_rate = PORT_SPEED_1GB; |
1da177e4 | 420 | } else { |
9a853f71 | 421 | link_speed = link_speeds[LS_UNKNOWN]; |
1da177e4 LT |
422 | if (mb[1] < 5) |
423 | link_speed = link_speeds[mb[1]]; | |
424 | ha->link_data_rate = mb[1]; | |
425 | } | |
426 | ||
427 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", | |
428 | ha->host_no, link_speed)); | |
429 | qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", | |
430 | link_speed); | |
431 | ||
432 | ha->flags.management_server_logged_in = 0; | |
0971de7f | 433 | qla2x00_post_aen_work(ha, FCH_EVT_LINKUP, ha->link_data_rate); |
1da177e4 LT |
434 | break; |
435 | ||
436 | case MBA_LOOP_DOWN: /* Loop Down Event */ | |
4d4df193 HK |
437 | DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " |
438 | "(%x %x %x).\n", ha->host_no, mb[1], mb[2], mb[3])); | |
439 | qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", | |
440 | mb[1], mb[2], mb[3]); | |
1da177e4 LT |
441 | |
442 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
443 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
444 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
445 | ha->device_flags |= DFLG_NO_CABLE; | |
d97994dc | 446 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
447 | } |
448 | ||
2c3dfe3f SJ |
449 | if (ha->parent) { |
450 | atomic_set(&ha->vp_state, VP_FAILED); | |
451 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
452 | } | |
453 | ||
1da177e4 | 454 | ha->flags.management_server_logged_in = 0; |
d8b45213 | 455 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
0971de7f | 456 | qla2x00_post_aen_work(ha, FCH_EVT_LINKDOWN, 0); |
1da177e4 LT |
457 | break; |
458 | ||
459 | case MBA_LIP_RESET: /* LIP reset occurred */ | |
1da177e4 LT |
460 | DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", |
461 | ha->host_no, mb[1])); | |
462 | qla_printk(KERN_INFO, ha, | |
cc3ef7bc | 463 | "LIP reset occurred (%x).\n", mb[1]); |
1da177e4 LT |
464 | |
465 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
466 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
467 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
d97994dc | 468 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
469 | } |
470 | ||
2c3dfe3f SJ |
471 | if (ha->parent) { |
472 | atomic_set(&ha->vp_state, VP_FAILED); | |
473 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
474 | } | |
475 | ||
1da177e4 LT |
476 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
477 | ||
478 | ha->operating_mode = LOOP; | |
479 | ha->flags.management_server_logged_in = 0; | |
0971de7f | 480 | qla2x00_post_aen_work(ha, FCH_EVT_LIPRESET, mb[1]); |
1da177e4 LT |
481 | break; |
482 | ||
483 | case MBA_POINT_TO_POINT: /* Point-to-Point */ | |
484 | if (IS_QLA2100(ha)) | |
485 | break; | |
486 | ||
487 | DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n", | |
488 | ha->host_no)); | |
489 | ||
490 | /* | |
491 | * Until there's a transition from loop down to loop up, treat | |
492 | * this as loop down only. | |
493 | */ | |
494 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
495 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
496 | if (!atomic_read(&ha->loop_down_timer)) | |
497 | atomic_set(&ha->loop_down_timer, | |
498 | LOOP_DOWN_TIME); | |
d97994dc | 499 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
500 | } |
501 | ||
2c3dfe3f SJ |
502 | if (ha->parent) { |
503 | atomic_set(&ha->vp_state, VP_FAILED); | |
504 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
505 | } | |
506 | ||
1da177e4 LT |
507 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { |
508 | set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
509 | } | |
510 | set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); | |
7e47e5ca | 511 | set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); |
4346b149 AV |
512 | |
513 | ha->flags.gpsc_supported = 1; | |
02d638b4 | 514 | ha->flags.management_server_logged_in = 0; |
1da177e4 LT |
515 | break; |
516 | ||
517 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ | |
518 | if (IS_QLA2100(ha)) | |
519 | break; | |
520 | ||
1da177e4 LT |
521 | DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " |
522 | "received.\n", | |
523 | ha->host_no)); | |
524 | qla_printk(KERN_INFO, ha, | |
525 | "Configuration change detected: value=%x.\n", mb[1]); | |
526 | ||
527 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
fa2a1ce5 | 528 | atomic_set(&ha->loop_state, LOOP_DOWN); |
1da177e4 LT |
529 | if (!atomic_read(&ha->loop_down_timer)) |
530 | atomic_set(&ha->loop_down_timer, | |
531 | LOOP_DOWN_TIME); | |
d97994dc | 532 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
533 | } |
534 | ||
2c3dfe3f SJ |
535 | if (ha->parent) { |
536 | atomic_set(&ha->vp_state, VP_FAILED); | |
537 | fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED); | |
538 | } | |
539 | ||
1da177e4 LT |
540 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
541 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
542 | break; | |
543 | ||
544 | case MBA_PORT_UPDATE: /* Port database update */ | |
1da177e4 | 545 | /* |
cc3ef7bc | 546 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
1da177e4 LT |
547 | * event etc. earlier indicating loop is down) then process |
548 | * it. Otherwise ignore it and Wait for RSCN to come in. | |
549 | */ | |
550 | atomic_set(&ha->loop_down_timer, 0); | |
551 | if (atomic_read(&ha->loop_state) != LOOP_DOWN && | |
552 | atomic_read(&ha->loop_state) != LOOP_DEAD) { | |
553 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " | |
9a853f71 AV |
554 | "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1], |
555 | mb[2], mb[3])); | |
1da177e4 LT |
556 | break; |
557 | } | |
558 | ||
559 | DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", | |
560 | ha->host_no)); | |
561 | DEBUG(printk(KERN_INFO | |
9a853f71 AV |
562 | "scsi(%ld): Port database changed %04x %04x %04x.\n", |
563 | ha->host_no, mb[1], mb[2], mb[3])); | |
1da177e4 LT |
564 | |
565 | /* | |
566 | * Mark all devices as missing so we will login again. | |
567 | */ | |
568 | atomic_set(&ha->loop_state, LOOP_UP); | |
569 | ||
d97994dc | 570 | qla2x00_mark_all_devices_lost(ha, 1); |
1da177e4 LT |
571 | |
572 | ha->flags.rscn_queue_overflow = 1; | |
573 | ||
574 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
575 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
576 | break; |
577 | ||
578 | case MBA_RSCN_UPDATE: /* State Change Registration */ | |
3c397400 SJ |
579 | /* Check if the Vport has issued a SCR */ |
580 | if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags)) | |
581 | break; | |
582 | /* Only handle SCNs for our Vport index. */ | |
583 | if (ha->parent && ha->vp_idx != (mb[3] & 0xff)) | |
584 | break; | |
2c3dfe3f | 585 | |
1da177e4 LT |
586 | DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", |
587 | ha->host_no)); | |
588 | DEBUG(printk(KERN_INFO | |
f4a8dbc7 SS |
589 | "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", |
590 | ha->host_no, mb[1], mb[2], mb[3])); | |
1da177e4 | 591 | |
59d72d87 | 592 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
1da177e4 LT |
593 | host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) | |
594 | ha->d_id.b.al_pa; | |
595 | if (rscn_entry == host_pid) { | |
596 | DEBUG(printk(KERN_INFO | |
597 | "scsi(%ld): Ignoring RSCN update to local host " | |
598 | "port ID (%06x)\n", | |
599 | ha->host_no, host_pid)); | |
600 | break; | |
601 | } | |
602 | ||
59d72d87 RA |
603 | /* Ignore reserved bits from RSCN-payload. */ |
604 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; | |
1da177e4 LT |
605 | rscn_queue_index = ha->rscn_in_ptr + 1; |
606 | if (rscn_queue_index == MAX_RSCN_COUNT) | |
607 | rscn_queue_index = 0; | |
608 | if (rscn_queue_index != ha->rscn_out_ptr) { | |
609 | ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry; | |
610 | ha->rscn_in_ptr = rscn_queue_index; | |
611 | } else { | |
612 | ha->flags.rscn_queue_overflow = 1; | |
613 | } | |
614 | ||
615 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
616 | atomic_set(&ha->loop_down_timer, 0); | |
617 | ha->flags.management_server_logged_in = 0; | |
618 | ||
619 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
620 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
0971de7f | 621 | qla2x00_post_aen_work(ha, FCH_EVT_RSCN, rscn_entry); |
1da177e4 LT |
622 | break; |
623 | ||
624 | /* case MBA_RIO_RESPONSE: */ | |
625 | case MBA_ZIO_RESPONSE: | |
626 | DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n", | |
627 | ha->host_no)); | |
628 | DEBUG(printk(KERN_INFO | |
629 | "scsi(%ld): [R|Z]IO update completion.\n", | |
630 | ha->host_no)); | |
631 | ||
e428924c | 632 | if (IS_FWI2_CAPABLE(ha)) |
4fdfefe5 AV |
633 | qla24xx_process_response_queue(ha); |
634 | else | |
635 | qla2x00_process_response_queue(ha); | |
1da177e4 | 636 | break; |
9a853f71 AV |
637 | |
638 | case MBA_DISCARD_RND_FRAME: | |
639 | DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " | |
640 | "%04x.\n", ha->host_no, mb[1], mb[2], mb[3])); | |
641 | break; | |
45ebeb56 AV |
642 | |
643 | case MBA_TRACE_NOTIFICATION: | |
644 | DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", | |
645 | ha->host_no, mb[1], mb[2])); | |
646 | break; | |
4d4df193 HK |
647 | |
648 | case MBA_ISP84XX_ALERT: | |
649 | DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " | |
650 | "%04x %04x %04x\n", ha->host_no, mb[1], mb[2], mb[3])); | |
651 | ||
652 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); | |
653 | switch (mb[1]) { | |
654 | case A84_PANIC_RECOVERY: | |
655 | qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " | |
656 | "%04x %04x\n", mb[2], mb[3]); | |
657 | break; | |
658 | case A84_OP_LOGIN_COMPLETE: | |
659 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; | |
660 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
661 | "firmware version %x\n", ha->cs84xx->op_fw_version)); | |
662 | break; | |
663 | case A84_DIAG_LOGIN_COMPLETE: | |
664 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
665 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" | |
666 | "diagnostic firmware version %x\n", | |
667 | ha->cs84xx->diag_fw_version)); | |
668 | break; | |
669 | case A84_GOLD_LOGIN_COMPLETE: | |
670 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; | |
671 | ha->cs84xx->fw_update = 1; | |
672 | DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " | |
673 | "firmware version %x\n", | |
674 | ha->cs84xx->gold_fw_version)); | |
675 | break; | |
676 | default: | |
677 | qla_printk(KERN_ERR, ha, | |
678 | "Alert 84xx: Invalid Alert %04x %04x %04x\n", | |
679 | mb[1], mb[2], mb[3]); | |
680 | } | |
681 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); | |
682 | break; | |
1da177e4 | 683 | } |
2c3dfe3f SJ |
684 | |
685 | if (!ha->parent && ha->num_vhosts) | |
686 | qla2x00_alert_all_vps(ha, mb); | |
1da177e4 LT |
687 | } |
688 | ||
df7baa50 AV |
689 | static void |
690 | qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) | |
691 | { | |
692 | fc_port_t *fcport = data; | |
693 | ||
694 | if (fcport->ha->max_q_depth <= sdev->queue_depth) | |
695 | return; | |
696 | ||
697 | if (sdev->ordered_tags) | |
698 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, | |
699 | sdev->queue_depth + 1); | |
700 | else | |
701 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, | |
702 | sdev->queue_depth + 1); | |
703 | ||
704 | fcport->last_ramp_up = jiffies; | |
705 | ||
706 | DEBUG2(qla_printk(KERN_INFO, fcport->ha, | |
707 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", | |
708 | fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun, | |
709 | sdev->queue_depth)); | |
710 | } | |
711 | ||
712 | static void | |
713 | qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) | |
714 | { | |
715 | fc_port_t *fcport = data; | |
716 | ||
717 | if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) | |
718 | return; | |
719 | ||
720 | DEBUG2(qla_printk(KERN_INFO, fcport->ha, | |
721 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", | |
722 | fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun, | |
723 | sdev->queue_depth)); | |
724 | } | |
725 | ||
726 | static inline void | |
727 | qla2x00_ramp_up_queue_depth(scsi_qla_host_t *ha, srb_t *sp) | |
728 | { | |
729 | fc_port_t *fcport; | |
730 | struct scsi_device *sdev; | |
731 | ||
732 | sdev = sp->cmd->device; | |
733 | if (sdev->queue_depth >= ha->max_q_depth) | |
734 | return; | |
735 | ||
736 | fcport = sp->fcport; | |
737 | if (time_before(jiffies, | |
738 | fcport->last_ramp_up + ql2xqfullrampup * HZ)) | |
739 | return; | |
740 | if (time_before(jiffies, | |
741 | fcport->last_queue_full + ql2xqfullrampup * HZ)) | |
742 | return; | |
743 | ||
df7baa50 AV |
744 | starget_for_each_device(sdev->sdev_target, fcport, |
745 | qla2x00_adjust_sdev_qdepth_up); | |
df7baa50 AV |
746 | } |
747 | ||
1da177e4 LT |
748 | /** |
749 | * qla2x00_process_completed_request() - Process a Fast Post response. | |
750 | * @ha: SCSI driver HA context | |
751 | * @index: SRB index | |
752 | */ | |
753 | static void | |
754 | qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index) | |
755 | { | |
756 | srb_t *sp; | |
757 | ||
758 | /* Validate handle. */ | |
759 | if (index >= MAX_OUTSTANDING_COMMANDS) { | |
760 | DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", | |
761 | ha->host_no, index)); | |
762 | qla_printk(KERN_WARNING, ha, | |
763 | "Invalid SCSI completion handle %d.\n", index); | |
764 | ||
765 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
766 | return; | |
767 | } | |
768 | ||
769 | sp = ha->outstanding_cmds[index]; | |
770 | if (sp) { | |
771 | /* Free outstanding command slot. */ | |
772 | ha->outstanding_cmds[index] = NULL; | |
773 | ||
1da177e4 LT |
774 | CMD_COMPL_STATUS(sp->cmd) = 0L; |
775 | CMD_SCSI_STATUS(sp->cmd) = 0L; | |
776 | ||
777 | /* Save ISP completion status */ | |
778 | sp->cmd->result = DID_OK << 16; | |
df7baa50 AV |
779 | |
780 | qla2x00_ramp_up_queue_depth(ha, sp); | |
f4f051eb | 781 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
782 | } else { |
783 | DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", | |
784 | ha->host_no)); | |
785 | qla_printk(KERN_WARNING, ha, | |
786 | "Invalid ISP SCSI completion handle\n"); | |
787 | ||
788 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
789 | } | |
790 | } | |
791 | ||
792 | /** | |
793 | * qla2x00_process_response_queue() - Process response queue entries. | |
794 | * @ha: SCSI driver HA context | |
795 | */ | |
796 | void | |
797 | qla2x00_process_response_queue(struct scsi_qla_host *ha) | |
798 | { | |
3d71644c | 799 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
800 | sts_entry_t *pkt; |
801 | uint16_t handle_cnt; | |
802 | uint16_t cnt; | |
803 | ||
804 | if (!ha->flags.online) | |
805 | return; | |
806 | ||
807 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
808 | pkt = (sts_entry_t *)ha->response_ring_ptr; | |
809 | ||
810 | ha->rsp_ring_index++; | |
811 | if (ha->rsp_ring_index == ha->response_q_length) { | |
812 | ha->rsp_ring_index = 0; | |
813 | ha->response_ring_ptr = ha->response_ring; | |
814 | } else { | |
815 | ha->response_ring_ptr++; | |
816 | } | |
817 | ||
818 | if (pkt->entry_status != 0) { | |
819 | DEBUG3(printk(KERN_INFO | |
820 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
821 | ||
822 | qla2x00_error_entry(ha, pkt); | |
823 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
824 | wmb(); | |
825 | continue; | |
826 | } | |
827 | ||
828 | switch (pkt->entry_type) { | |
829 | case STATUS_TYPE: | |
830 | qla2x00_status_entry(ha, pkt); | |
831 | break; | |
832 | case STATUS_TYPE_21: | |
833 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; | |
834 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
835 | qla2x00_process_completed_request(ha, | |
836 | ((sts21_entry_t *)pkt)->handle[cnt]); | |
837 | } | |
838 | break; | |
839 | case STATUS_TYPE_22: | |
840 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; | |
841 | for (cnt = 0; cnt < handle_cnt; cnt++) { | |
842 | qla2x00_process_completed_request(ha, | |
843 | ((sts22_entry_t *)pkt)->handle[cnt]); | |
844 | } | |
845 | break; | |
846 | case STATUS_CONT_TYPE: | |
847 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
848 | break; | |
1da177e4 LT |
849 | default: |
850 | /* Type Not Supported. */ | |
851 | DEBUG4(printk(KERN_WARNING | |
852 | "scsi(%ld): Received unknown response pkt type %x " | |
853 | "entry status=%x.\n", | |
854 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
855 | break; | |
856 | } | |
857 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
858 | wmb(); | |
859 | } | |
860 | ||
861 | /* Adjust ring index */ | |
862 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index); | |
863 | } | |
864 | ||
4733fcb1 AV |
865 | static inline void |
866 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) | |
867 | { | |
868 | struct scsi_cmnd *cp = sp->cmd; | |
869 | ||
870 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) | |
871 | sense_len = SCSI_SENSE_BUFFERSIZE; | |
872 | ||
873 | CMD_ACTUAL_SNSLEN(cp) = sense_len; | |
874 | sp->request_sense_length = sense_len; | |
875 | sp->request_sense_ptr = cp->sense_buffer; | |
876 | if (sp->request_sense_length > 32) | |
877 | sense_len = 32; | |
878 | ||
879 | memcpy(cp->sense_buffer, sense_data, sense_len); | |
880 | ||
881 | sp->request_sense_ptr += sense_len; | |
882 | sp->request_sense_length -= sense_len; | |
883 | if (sp->request_sense_length != 0) | |
19851f13 | 884 | sp->fcport->ha->status_srb = sp; |
4733fcb1 AV |
885 | |
886 | DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " | |
19851f13 AV |
887 | "cmd=%p pid=%ld\n", __func__, sp->fcport->ha->host_no, |
888 | cp->device->channel, cp->device->id, cp->device->lun, cp, | |
889 | cp->serial_number)); | |
4733fcb1 AV |
890 | if (sense_len) |
891 | DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, | |
892 | CMD_ACTUAL_SNSLEN(cp))); | |
893 | } | |
894 | ||
1da177e4 LT |
895 | /** |
896 | * qla2x00_status_entry() - Process a Status IOCB entry. | |
897 | * @ha: SCSI driver HA context | |
898 | * @pkt: Entry pointer | |
899 | */ | |
900 | static void | |
9a853f71 | 901 | qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) |
1da177e4 | 902 | { |
1da177e4 | 903 | srb_t *sp; |
1da177e4 LT |
904 | fc_port_t *fcport; |
905 | struct scsi_cmnd *cp; | |
9a853f71 AV |
906 | sts_entry_t *sts; |
907 | struct sts_entry_24xx *sts24; | |
1da177e4 LT |
908 | uint16_t comp_status; |
909 | uint16_t scsi_status; | |
910 | uint8_t lscsi_status; | |
911 | int32_t resid; | |
ed17c71b | 912 | uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; |
9a853f71 AV |
913 | uint8_t *rsp_info, *sense_data; |
914 | ||
915 | sts = (sts_entry_t *) pkt; | |
916 | sts24 = (struct sts_entry_24xx *) pkt; | |
e428924c | 917 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
918 | comp_status = le16_to_cpu(sts24->comp_status); |
919 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; | |
920 | } else { | |
921 | comp_status = le16_to_cpu(sts->comp_status); | |
922 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; | |
923 | } | |
1da177e4 LT |
924 | |
925 | /* Fast path completion. */ | |
9a853f71 AV |
926 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
927 | qla2x00_process_completed_request(ha, sts->handle); | |
1da177e4 LT |
928 | |
929 | return; | |
930 | } | |
931 | ||
932 | /* Validate handle. */ | |
9a853f71 AV |
933 | if (sts->handle < MAX_OUTSTANDING_COMMANDS) { |
934 | sp = ha->outstanding_cmds[sts->handle]; | |
935 | ha->outstanding_cmds[sts->handle] = NULL; | |
1da177e4 LT |
936 | } else |
937 | sp = NULL; | |
938 | ||
939 | if (sp == NULL) { | |
940 | DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", | |
941 | ha->host_no)); | |
942 | qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); | |
943 | ||
944 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 945 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
946 | return; |
947 | } | |
948 | cp = sp->cmd; | |
949 | if (cp == NULL) { | |
950 | DEBUG2(printk("scsi(%ld): Command already returned back to OS " | |
75bc4190 | 951 | "pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp)); |
1da177e4 LT |
952 | qla_printk(KERN_WARNING, ha, |
953 | "Command is NULL: already returned to OS (sp=%p)\n", sp); | |
954 | ||
955 | return; | |
956 | } | |
957 | ||
9a853f71 AV |
958 | lscsi_status = scsi_status & STATUS_MASK; |
959 | CMD_ENTRY_STATUS(cp) = sts->entry_status; | |
1da177e4 LT |
960 | CMD_COMPL_STATUS(cp) = comp_status; |
961 | CMD_SCSI_STATUS(cp) = scsi_status; | |
962 | ||
bdf79621 | 963 | fcport = sp->fcport; |
1da177e4 | 964 | |
ed17c71b | 965 | sense_len = rsp_info_len = resid_len = fw_resid_len = 0; |
e428924c | 966 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
967 | sense_len = le32_to_cpu(sts24->sense_len); |
968 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); | |
969 | resid_len = le32_to_cpu(sts24->rsp_residual_count); | |
ed17c71b | 970 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
9a853f71 AV |
971 | rsp_info = sts24->data; |
972 | sense_data = sts24->data; | |
973 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); | |
974 | } else { | |
975 | sense_len = le16_to_cpu(sts->req_sense_length); | |
976 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); | |
977 | resid_len = le32_to_cpu(sts->residual_length); | |
978 | rsp_info = sts->rsp_info; | |
979 | sense_data = sts->req_sense_data; | |
980 | } | |
981 | ||
1da177e4 LT |
982 | /* Check for any FCP transport errors. */ |
983 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { | |
9a853f71 | 984 | /* Sense data lies beyond any FCP RESPONSE data. */ |
e428924c | 985 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 AV |
986 | sense_data += rsp_info_len; |
987 | if (rsp_info_len > 3 && rsp_info[3]) { | |
1da177e4 LT |
988 | DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " |
989 | "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." | |
9a853f71 AV |
990 | "retrying command\n", ha->host_no, |
991 | cp->device->channel, cp->device->id, | |
992 | cp->device->lun, rsp_info_len, rsp_info[0], | |
993 | rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], | |
994 | rsp_info[5], rsp_info[6], rsp_info[7])); | |
1da177e4 LT |
995 | |
996 | cp->result = DID_BUS_BUSY << 16; | |
f4f051eb | 997 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
998 | return; |
999 | } | |
1000 | } | |
1001 | ||
3e8ce320 AV |
1002 | /* Check for overrun. */ |
1003 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && | |
1004 | scsi_status & SS_RESIDUAL_OVER) | |
1005 | comp_status = CS_DATA_OVERRUN; | |
1006 | ||
1da177e4 LT |
1007 | /* |
1008 | * Based on Host and scsi status generate status code for Linux | |
1009 | */ | |
1010 | switch (comp_status) { | |
1011 | case CS_COMPLETE: | |
df7baa50 | 1012 | case CS_QUEUE_FULL: |
1da177e4 LT |
1013 | if (scsi_status == 0) { |
1014 | cp->result = DID_OK << 16; | |
1015 | break; | |
1016 | } | |
1017 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { | |
9a853f71 | 1018 | resid = resid_len; |
385d70b4 | 1019 | scsi_set_resid(cp, resid); |
1da177e4 | 1020 | CMD_RESID_LEN(cp) = resid; |
0da69df1 AV |
1021 | |
1022 | if (!lscsi_status && | |
385d70b4 | 1023 | ((unsigned)(scsi_bufflen(cp) - resid) < |
0da69df1 AV |
1024 | cp->underflow)) { |
1025 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1026 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1027 | "detected (%x of %x bytes)...returning " | |
1028 | "error status.\n", ha->host_no, | |
1029 | cp->device->channel, cp->device->id, | |
1030 | cp->device->lun, resid, | |
1031 | scsi_bufflen(cp)); | |
0da69df1 AV |
1032 | |
1033 | cp->result = DID_ERROR << 16; | |
1034 | break; | |
1035 | } | |
1da177e4 | 1036 | } |
1da177e4 LT |
1037 | cp->result = DID_OK << 16 | lscsi_status; |
1038 | ||
df7baa50 AV |
1039 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1040 | DEBUG2(printk(KERN_INFO | |
1041 | "scsi(%ld): QUEUE FULL status detected " | |
1042 | "0x%x-0x%x.\n", ha->host_no, comp_status, | |
1043 | scsi_status)); | |
1044 | ||
1045 | /* Adjust queue depth for all luns on the port. */ | |
1046 | fcport->last_queue_full = jiffies; | |
df7baa50 AV |
1047 | starget_for_each_device(cp->device->sdev_target, |
1048 | fcport, qla2x00_adjust_sdev_qdepth_down); | |
df7baa50 AV |
1049 | break; |
1050 | } | |
1da177e4 LT |
1051 | if (lscsi_status != SS_CHECK_CONDITION) |
1052 | break; | |
1053 | ||
b80ca4f7 | 1054 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1055 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1056 | break; | |
1057 | ||
4733fcb1 | 1058 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1059 | break; |
1060 | ||
1061 | case CS_DATA_UNDERRUN: | |
9a853f71 | 1062 | resid = resid_len; |
ed17c71b | 1063 | /* Use F/W calculated residual length. */ |
6acf8190 | 1064 | if (IS_FWI2_CAPABLE(ha)) { |
2d136938 AV |
1065 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { |
1066 | lscsi_status = 0; | |
1067 | } else if (resid != fw_resid_len) { | |
6acf8190 AV |
1068 | scsi_status &= ~SS_RESIDUAL_UNDER; |
1069 | lscsi_status = 0; | |
1070 | } | |
ed17c71b | 1071 | resid = fw_resid_len; |
6acf8190 | 1072 | } |
ed17c71b | 1073 | |
1da177e4 | 1074 | if (scsi_status & SS_RESIDUAL_UNDER) { |
385d70b4 | 1075 | scsi_set_resid(cp, resid); |
1da177e4 | 1076 | CMD_RESID_LEN(cp) = resid; |
e038a1be AV |
1077 | } else { |
1078 | DEBUG2(printk(KERN_INFO | |
1079 | "scsi(%ld:%d:%d) UNDERRUN status detected " | |
ed17c71b RA |
1080 | "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " |
1081 | "os_underflow=0x%x\n", ha->host_no, | |
1082 | cp->device->id, cp->device->lun, comp_status, | |
1083 | scsi_status, resid_len, resid, cp->cmnd[0], | |
1084 | cp->underflow)); | |
e038a1be | 1085 | |
1da177e4 LT |
1086 | } |
1087 | ||
1088 | /* | |
fa2a1ce5 | 1089 | * Check to see if SCSI Status is non zero. If so report SCSI |
1da177e4 LT |
1090 | * Status. |
1091 | */ | |
1092 | if (lscsi_status != 0) { | |
1da177e4 LT |
1093 | cp->result = DID_OK << 16 | lscsi_status; |
1094 | ||
ffec28a3 AV |
1095 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
1096 | DEBUG2(printk(KERN_INFO | |
1097 | "scsi(%ld): QUEUE FULL status detected " | |
1098 | "0x%x-0x%x.\n", ha->host_no, comp_status, | |
1099 | scsi_status)); | |
1100 | ||
1101 | /* | |
1102 | * Adjust queue depth for all luns on the | |
1103 | * port. | |
1104 | */ | |
1105 | fcport->last_queue_full = jiffies; | |
1106 | starget_for_each_device( | |
1107 | cp->device->sdev_target, fcport, | |
1108 | qla2x00_adjust_sdev_qdepth_down); | |
1109 | break; | |
1110 | } | |
1da177e4 LT |
1111 | if (lscsi_status != SS_CHECK_CONDITION) |
1112 | break; | |
1113 | ||
b80ca4f7 | 1114 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
1da177e4 LT |
1115 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
1116 | break; | |
1117 | ||
4733fcb1 | 1118 | qla2x00_handle_sense(sp, sense_data, sense_len); |
1da177e4 LT |
1119 | } else { |
1120 | /* | |
1121 | * If RISC reports underrun and target does not report | |
1122 | * it then we must have a lost frame, so tell upper | |
1123 | * layer to retry it by reporting a bus busy. | |
1124 | */ | |
1125 | if (!(scsi_status & SS_RESIDUAL_UNDER)) { | |
1126 | DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " | |
385d70b4 FT |
1127 | "frame(s) detected (%x of %x bytes)..." |
1128 | "retrying command.\n", ha->host_no, | |
1129 | cp->device->channel, cp->device->id, | |
1130 | cp->device->lun, resid, | |
1131 | scsi_bufflen(cp))); | |
1da177e4 LT |
1132 | |
1133 | cp->result = DID_BUS_BUSY << 16; | |
1da177e4 LT |
1134 | break; |
1135 | } | |
1136 | ||
1137 | /* Handle mid-layer underflow */ | |
385d70b4 | 1138 | if ((unsigned)(scsi_bufflen(cp) - resid) < |
1da177e4 LT |
1139 | cp->underflow) { |
1140 | qla_printk(KERN_INFO, ha, | |
385d70b4 FT |
1141 | "scsi(%ld:%d:%d:%d): Mid-layer underflow " |
1142 | "detected (%x of %x bytes)...returning " | |
1143 | "error status.\n", ha->host_no, | |
1144 | cp->device->channel, cp->device->id, | |
1145 | cp->device->lun, resid, | |
1146 | scsi_bufflen(cp)); | |
1da177e4 LT |
1147 | |
1148 | cp->result = DID_ERROR << 16; | |
1149 | break; | |
1150 | } | |
1151 | ||
1152 | /* Everybody online, looking good... */ | |
1153 | cp->result = DID_OK << 16; | |
1154 | } | |
1155 | break; | |
1156 | ||
1157 | case CS_DATA_OVERRUN: | |
1158 | DEBUG2(printk(KERN_INFO | |
1159 | "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", | |
9a853f71 AV |
1160 | ha->host_no, cp->device->id, cp->device->lun, comp_status, |
1161 | scsi_status)); | |
1da177e4 LT |
1162 | DEBUG2(printk(KERN_INFO |
1163 | "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
1164 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], | |
1165 | cp->cmnd[4], cp->cmnd[5])); | |
1166 | DEBUG2(printk(KERN_INFO | |
1167 | "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " | |
1168 | "status!\n", | |
385d70b4 | 1169 | cp->serial_number, scsi_bufflen(cp), resid_len)); |
1da177e4 LT |
1170 | |
1171 | cp->result = DID_ERROR << 16; | |
1172 | break; | |
1173 | ||
1174 | case CS_PORT_LOGGED_OUT: | |
1175 | case CS_PORT_CONFIG_CHG: | |
1176 | case CS_PORT_BUSY: | |
1177 | case CS_INCOMPLETE: | |
1178 | case CS_PORT_UNAVAILABLE: | |
1179 | /* | |
1180 | * If the port is in Target Down state, return all IOs for this | |
1181 | * Target with DID_NO_CONNECT ELSE Queue the IOs in the | |
1182 | * retry_queue. | |
1183 | */ | |
1da177e4 LT |
1184 | DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " |
1185 | "pid=%ld, compl status=0x%x, port state=0x%x\n", | |
9a853f71 AV |
1186 | ha->host_no, cp->device->id, cp->device->lun, |
1187 | cp->serial_number, comp_status, | |
1da177e4 LT |
1188 | atomic_read(&fcport->state))); |
1189 | ||
f4f051eb | 1190 | cp->result = DID_BUS_BUSY << 16; |
a7a28504 AV |
1191 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
1192 | qla2x00_mark_device_lost(fcport->ha, fcport, 1, 1); | |
1da177e4 LT |
1193 | break; |
1194 | ||
1195 | case CS_RESET: | |
1196 | DEBUG2(printk(KERN_INFO | |
1197 | "scsi(%ld): RESET status detected 0x%x-0x%x.\n", | |
1198 | ha->host_no, comp_status, scsi_status)); | |
1199 | ||
f4f051eb | 1200 | cp->result = DID_RESET << 16; |
1da177e4 LT |
1201 | break; |
1202 | ||
1203 | case CS_ABORTED: | |
fa2a1ce5 | 1204 | /* |
1da177e4 LT |
1205 | * hv2.19.12 - DID_ABORT does not retry the request if we |
1206 | * aborted this request then abort otherwise it must be a | |
1207 | * reset. | |
1208 | */ | |
1209 | DEBUG2(printk(KERN_INFO | |
1210 | "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", | |
1211 | ha->host_no, comp_status, scsi_status)); | |
1212 | ||
1213 | cp->result = DID_RESET << 16; | |
1214 | break; | |
1215 | ||
1216 | case CS_TIMEOUT: | |
9a853f71 AV |
1217 | cp->result = DID_BUS_BUSY << 16; |
1218 | ||
e428924c | 1219 | if (IS_FWI2_CAPABLE(ha)) { |
9a853f71 AV |
1220 | DEBUG2(printk(KERN_INFO |
1221 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected " | |
1222 | "0x%x-0x%x\n", ha->host_no, cp->device->channel, | |
1223 | cp->device->id, cp->device->lun, comp_status, | |
1224 | scsi_status)); | |
1225 | break; | |
1226 | } | |
1da177e4 LT |
1227 | DEBUG2(printk(KERN_INFO |
1228 | "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " | |
9a853f71 AV |
1229 | "sflags=%x.\n", ha->host_no, cp->device->channel, |
1230 | cp->device->id, cp->device->lun, comp_status, scsi_status, | |
1231 | le16_to_cpu(sts->status_flags))); | |
1da177e4 | 1232 | |
9a853f71 AV |
1233 | /* Check to see if logout occurred. */ |
1234 | if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) | |
a7a28504 | 1235 | qla2x00_mark_device_lost(fcport->ha, fcport, 1, 1); |
1da177e4 LT |
1236 | break; |
1237 | ||
1da177e4 LT |
1238 | default: |
1239 | DEBUG3(printk("scsi(%ld): Error detected (unknown status) " | |
9a853f71 | 1240 | "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status)); |
1da177e4 LT |
1241 | qla_printk(KERN_INFO, ha, |
1242 | "Unknown status detected 0x%x-0x%x.\n", | |
1243 | comp_status, scsi_status); | |
1244 | ||
1245 | cp->result = DID_ERROR << 16; | |
1246 | break; | |
1247 | } | |
1248 | ||
1249 | /* Place command on done queue. */ | |
1250 | if (ha->status_srb == NULL) | |
f4f051eb | 1251 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1252 | } |
1253 | ||
1254 | /** | |
1255 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. | |
1256 | * @ha: SCSI driver HA context | |
1257 | * @pkt: Entry pointer | |
1258 | * | |
1259 | * Extended sense data. | |
1260 | */ | |
1261 | static void | |
1262 | qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt) | |
1263 | { | |
1264 | uint8_t sense_sz = 0; | |
1265 | srb_t *sp = ha->status_srb; | |
1266 | struct scsi_cmnd *cp; | |
1267 | ||
1268 | if (sp != NULL && sp->request_sense_length != 0) { | |
1269 | cp = sp->cmd; | |
1270 | if (cp == NULL) { | |
1271 | DEBUG2(printk("%s(): Cmd already returned back to OS " | |
75bc4190 | 1272 | "sp=%p.\n", __func__, sp)); |
1da177e4 LT |
1273 | qla_printk(KERN_INFO, ha, |
1274 | "cmd is NULL: already returned to OS (sp=%p)\n", | |
fa2a1ce5 | 1275 | sp); |
1da177e4 LT |
1276 | |
1277 | ha->status_srb = NULL; | |
1278 | return; | |
1279 | } | |
1280 | ||
1281 | if (sp->request_sense_length > sizeof(pkt->data)) { | |
1282 | sense_sz = sizeof(pkt->data); | |
1283 | } else { | |
1284 | sense_sz = sp->request_sense_length; | |
1285 | } | |
1286 | ||
1287 | /* Move sense data. */ | |
e428924c | 1288 | if (IS_FWI2_CAPABLE(ha)) |
9a853f71 | 1289 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
1da177e4 LT |
1290 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
1291 | DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); | |
1292 | ||
1293 | sp->request_sense_ptr += sense_sz; | |
1294 | sp->request_sense_length -= sense_sz; | |
1295 | ||
1296 | /* Place command on done queue. */ | |
1297 | if (sp->request_sense_length == 0) { | |
1da177e4 | 1298 | ha->status_srb = NULL; |
f4f051eb | 1299 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
1300 | } |
1301 | } | |
1302 | } | |
1303 | ||
1304 | /** | |
1305 | * qla2x00_error_entry() - Process an error entry. | |
1306 | * @ha: SCSI driver HA context | |
1307 | * @pkt: Entry pointer | |
1308 | */ | |
1309 | static void | |
9a853f71 | 1310 | qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) |
1da177e4 LT |
1311 | { |
1312 | srb_t *sp; | |
1313 | ||
1314 | #if defined(QL_DEBUG_LEVEL_2) | |
1315 | if (pkt->entry_status & RF_INV_E_ORDER) | |
1316 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); | |
1317 | else if (pkt->entry_status & RF_INV_E_COUNT) | |
1318 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); | |
1319 | else if (pkt->entry_status & RF_INV_E_PARAM) | |
fa2a1ce5 | 1320 | qla_printk(KERN_ERR, ha, |
1da177e4 LT |
1321 | "%s: Invalid Entry Parameter\n", __func__); |
1322 | else if (pkt->entry_status & RF_INV_E_TYPE) | |
1323 | qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); | |
1324 | else if (pkt->entry_status & RF_BUSY) | |
1325 | qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); | |
1326 | else | |
1327 | qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); | |
1328 | #endif | |
1329 | ||
1330 | /* Validate handle. */ | |
1331 | if (pkt->handle < MAX_OUTSTANDING_COMMANDS) | |
1332 | sp = ha->outstanding_cmds[pkt->handle]; | |
1333 | else | |
1334 | sp = NULL; | |
1335 | ||
1336 | if (sp) { | |
1337 | /* Free outstanding command slot. */ | |
1338 | ha->outstanding_cmds[pkt->handle] = NULL; | |
354d6b21 | 1339 | |
1da177e4 LT |
1340 | /* Bad payload or header */ |
1341 | if (pkt->entry_status & | |
1342 | (RF_INV_E_ORDER | RF_INV_E_COUNT | | |
1343 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { | |
1344 | sp->cmd->result = DID_ERROR << 16; | |
1345 | } else if (pkt->entry_status & RF_BUSY) { | |
1346 | sp->cmd->result = DID_BUS_BUSY << 16; | |
1347 | } else { | |
1348 | sp->cmd->result = DID_ERROR << 16; | |
1349 | } | |
f4f051eb | 1350 | qla2x00_sp_compl(ha, sp); |
1da177e4 | 1351 | |
9a853f71 AV |
1352 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
1353 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { | |
1da177e4 LT |
1354 | DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", |
1355 | ha->host_no)); | |
1356 | qla_printk(KERN_WARNING, ha, | |
1357 | "Error entry - invalid handle\n"); | |
1358 | ||
1359 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
39a11240 | 1360 | qla2xxx_wake_dpc(ha); |
1da177e4 LT |
1361 | } |
1362 | } | |
1363 | ||
9a853f71 AV |
1364 | /** |
1365 | * qla24xx_mbx_completion() - Process mailbox command completions. | |
1366 | * @ha: SCSI driver HA context | |
1367 | * @mb0: Mailbox0 register | |
1368 | */ | |
1369 | static void | |
1370 | qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) | |
1371 | { | |
1372 | uint16_t cnt; | |
1373 | uint16_t __iomem *wptr; | |
1374 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1375 | ||
1376 | /* Load return mailbox registers. */ | |
1377 | ha->flags.mbox_int = 1; | |
1378 | ha->mailbox_out[0] = mb0; | |
1379 | wptr = (uint16_t __iomem *)®->mailbox1; | |
1380 | ||
1381 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1382 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1383 | wptr++; | |
1384 | } | |
1385 | ||
1386 | if (ha->mcp) { | |
1387 | DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", | |
1388 | __func__, ha->host_no, ha->mcp->mb[0])); | |
1389 | } else { | |
1390 | DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", | |
1391 | __func__, ha->host_no)); | |
1392 | } | |
1393 | } | |
1394 | ||
1395 | /** | |
1396 | * qla24xx_process_response_queue() - Process response queue entries. | |
1397 | * @ha: SCSI driver HA context | |
1398 | */ | |
1399 | void | |
1400 | qla24xx_process_response_queue(struct scsi_qla_host *ha) | |
1401 | { | |
1402 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1403 | struct sts_entry_24xx *pkt; | |
1404 | ||
1405 | if (!ha->flags.online) | |
1406 | return; | |
1407 | ||
1408 | while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { | |
1409 | pkt = (struct sts_entry_24xx *)ha->response_ring_ptr; | |
1410 | ||
1411 | ha->rsp_ring_index++; | |
1412 | if (ha->rsp_ring_index == ha->response_q_length) { | |
1413 | ha->rsp_ring_index = 0; | |
1414 | ha->response_ring_ptr = ha->response_ring; | |
1415 | } else { | |
1416 | ha->response_ring_ptr++; | |
1417 | } | |
1418 | ||
1419 | if (pkt->entry_status != 0) { | |
1420 | DEBUG3(printk(KERN_INFO | |
1421 | "scsi(%ld): Process error entry.\n", ha->host_no)); | |
1422 | ||
9a853f71 AV |
1423 | qla2x00_error_entry(ha, (sts_entry_t *) pkt); |
1424 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1425 | wmb(); | |
1426 | continue; | |
1427 | } | |
1428 | ||
1429 | switch (pkt->entry_type) { | |
1430 | case STATUS_TYPE: | |
1431 | qla2x00_status_entry(ha, pkt); | |
1432 | break; | |
1433 | case STATUS_CONT_TYPE: | |
1434 | qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); | |
1435 | break; | |
2c3dfe3f SJ |
1436 | case VP_RPT_ID_IOCB_TYPE: |
1437 | qla24xx_report_id_acquisition(ha, | |
1438 | (struct vp_rpt_id_entry_24xx *)pkt); | |
1439 | break; | |
9a853f71 AV |
1440 | default: |
1441 | /* Type Not Supported. */ | |
1442 | DEBUG4(printk(KERN_WARNING | |
1443 | "scsi(%ld): Received unknown response pkt type %x " | |
1444 | "entry status=%x.\n", | |
1445 | ha->host_no, pkt->entry_type, pkt->entry_status)); | |
1446 | break; | |
1447 | } | |
1448 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; | |
1449 | wmb(); | |
1450 | } | |
1451 | ||
1452 | /* Adjust ring index */ | |
1453 | WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index); | |
1454 | } | |
1455 | ||
05236a05 AV |
1456 | static void |
1457 | qla2xxx_check_risc_status(scsi_qla_host_t *ha) | |
1458 | { | |
1459 | int rval; | |
1460 | uint32_t cnt; | |
1461 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | |
1462 | ||
1463 | if (!IS_QLA25XX(ha)) | |
1464 | return; | |
1465 | ||
1466 | rval = QLA_SUCCESS; | |
1467 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); | |
1468 | RD_REG_DWORD(®->iobase_addr); | |
1469 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1470 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1471 | rval == QLA_SUCCESS; cnt--) { | |
1472 | if (cnt) { | |
1473 | WRT_REG_DWORD(®->iobase_window, 0x0001); | |
1474 | udelay(10); | |
1475 | } else | |
1476 | rval = QLA_FUNCTION_TIMEOUT; | |
1477 | } | |
1478 | if (rval == QLA_SUCCESS) | |
1479 | goto next_test; | |
1480 | ||
1481 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1482 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && | |
1483 | rval == QLA_SUCCESS; cnt--) { | |
1484 | if (cnt) { | |
1485 | WRT_REG_DWORD(®->iobase_window, 0x0003); | |
1486 | udelay(10); | |
1487 | } else | |
1488 | rval = QLA_FUNCTION_TIMEOUT; | |
1489 | } | |
1490 | if (rval != QLA_SUCCESS) | |
1491 | goto done; | |
1492 | ||
1493 | next_test: | |
1494 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) | |
1495 | qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); | |
1496 | ||
1497 | done: | |
1498 | WRT_REG_DWORD(®->iobase_window, 0x0000); | |
1499 | RD_REG_DWORD(®->iobase_window); | |
1500 | } | |
1501 | ||
9a853f71 AV |
1502 | /** |
1503 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
1504 | * @irq: | |
1505 | * @dev_id: SCSI driver HA context | |
9a853f71 AV |
1506 | * |
1507 | * Called by system whenever the host adapter generates an interrupt. | |
1508 | * | |
1509 | * Returns handled flag. | |
1510 | */ | |
1511 | irqreturn_t | |
7d12e780 | 1512 | qla24xx_intr_handler(int irq, void *dev_id) |
9a853f71 AV |
1513 | { |
1514 | scsi_qla_host_t *ha; | |
1515 | struct device_reg_24xx __iomem *reg; | |
1516 | int status; | |
9a853f71 AV |
1517 | unsigned long iter; |
1518 | uint32_t stat; | |
1519 | uint32_t hccr; | |
1520 | uint16_t mb[4]; | |
1521 | ||
1522 | ha = (scsi_qla_host_t *) dev_id; | |
1523 | if (!ha) { | |
1524 | printk(KERN_INFO | |
1525 | "%s(): NULL host pointer\n", __func__); | |
1526 | return IRQ_NONE; | |
1527 | } | |
1528 | ||
1529 | reg = &ha->iobase->isp24; | |
1530 | status = 0; | |
1531 | ||
c6952483 | 1532 | spin_lock(&ha->hardware_lock); |
9a853f71 AV |
1533 | for (iter = 50; iter--; ) { |
1534 | stat = RD_REG_DWORD(®->host_status); | |
1535 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1536 | if (pci_channel_offline(ha->pdev)) |
1537 | break; | |
1538 | ||
cb8dacbf AV |
1539 | if (ha->hw_event_pause_errors == 0) |
1540 | qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR, | |
1541 | 0, MSW(stat), LSW(stat)); | |
1542 | else if (ha->hw_event_pause_errors < 0xffffffff) | |
1543 | ha->hw_event_pause_errors++; | |
1544 | ||
9a853f71 AV |
1545 | hccr = RD_REG_DWORD(®->hccr); |
1546 | ||
1547 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1548 | "Dumping firmware!\n", hccr); | |
05236a05 AV |
1549 | |
1550 | qla2xxx_check_risc_status(ha); | |
1551 | ||
fd34f556 | 1552 | ha->isp_ops->fw_dump(ha, 1); |
9a853f71 AV |
1553 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
1554 | break; | |
1555 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1556 | break; | |
1557 | ||
1558 | switch (stat & 0xff) { | |
1559 | case 0x1: | |
1560 | case 0x2: | |
1561 | case 0x10: | |
1562 | case 0x11: | |
1563 | qla24xx_mbx_completion(ha, MSW(stat)); | |
1564 | status |= MBX_INTERRUPT; | |
1565 | ||
1566 | break; | |
1567 | case 0x12: | |
1568 | mb[0] = MSW(stat); | |
1569 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1570 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1571 | mb[3] = RD_REG_WORD(®->mailbox3); | |
1572 | qla2x00_async_event(ha, mb); | |
1573 | break; | |
1574 | case 0x13: | |
1575 | qla24xx_process_response_queue(ha); | |
1576 | break; | |
1577 | default: | |
1578 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1579 | "(%d).\n", | |
1580 | ha->host_no, stat & 0xff)); | |
1581 | break; | |
1582 | } | |
1583 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
1584 | RD_REG_DWORD_RELAXED(®->hccr); | |
1585 | } | |
c6952483 | 1586 | spin_unlock(&ha->hardware_lock); |
9a853f71 AV |
1587 | |
1588 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1589 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
9a853f71 | 1590 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1591 | complete(&ha->mbx_intr_comp); |
9a853f71 AV |
1592 | } |
1593 | ||
1594 | return IRQ_HANDLED; | |
1595 | } | |
1596 | ||
a8488abe AV |
1597 | static irqreturn_t |
1598 | qla24xx_msix_rsp_q(int irq, void *dev_id) | |
1599 | { | |
1600 | scsi_qla_host_t *ha; | |
1601 | struct device_reg_24xx __iomem *reg; | |
a8488abe AV |
1602 | |
1603 | ha = dev_id; | |
1604 | reg = &ha->iobase->isp24; | |
1605 | ||
0e973a24 | 1606 | spin_lock_irq(&ha->hardware_lock); |
a8488abe AV |
1607 | |
1608 | qla24xx_process_response_queue(ha); | |
a8488abe | 1609 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
a8488abe | 1610 | |
0e973a24 | 1611 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1612 | |
1613 | return IRQ_HANDLED; | |
1614 | } | |
1615 | ||
1616 | static irqreturn_t | |
1617 | qla24xx_msix_default(int irq, void *dev_id) | |
1618 | { | |
1619 | scsi_qla_host_t *ha; | |
1620 | struct device_reg_24xx __iomem *reg; | |
1621 | int status; | |
a8488abe AV |
1622 | uint32_t stat; |
1623 | uint32_t hccr; | |
1624 | uint16_t mb[4]; | |
1625 | ||
1626 | ha = dev_id; | |
1627 | reg = &ha->iobase->isp24; | |
1628 | status = 0; | |
1629 | ||
0e973a24 | 1630 | spin_lock_irq(&ha->hardware_lock); |
87f27015 | 1631 | do { |
a8488abe AV |
1632 | stat = RD_REG_DWORD(®->host_status); |
1633 | if (stat & HSRX_RISC_PAUSED) { | |
14e660e6 SJ |
1634 | if (pci_channel_offline(ha->pdev)) |
1635 | break; | |
1636 | ||
cb8dacbf AV |
1637 | if (ha->hw_event_pause_errors == 0) |
1638 | qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR, | |
1639 | 0, MSW(stat), LSW(stat)); | |
1640 | else if (ha->hw_event_pause_errors < 0xffffffff) | |
1641 | ha->hw_event_pause_errors++; | |
1642 | ||
a8488abe AV |
1643 | hccr = RD_REG_DWORD(®->hccr); |
1644 | ||
1645 | qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " | |
1646 | "Dumping firmware!\n", hccr); | |
05236a05 AV |
1647 | |
1648 | qla2xxx_check_risc_status(ha); | |
1649 | ||
fd34f556 | 1650 | ha->isp_ops->fw_dump(ha, 1); |
a8488abe AV |
1651 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
1652 | break; | |
1653 | } else if ((stat & HSRX_RISC_INT) == 0) | |
1654 | break; | |
1655 | ||
1656 | switch (stat & 0xff) { | |
1657 | case 0x1: | |
1658 | case 0x2: | |
1659 | case 0x10: | |
1660 | case 0x11: | |
1661 | qla24xx_mbx_completion(ha, MSW(stat)); | |
1662 | status |= MBX_INTERRUPT; | |
1663 | ||
1664 | break; | |
1665 | case 0x12: | |
1666 | mb[0] = MSW(stat); | |
1667 | mb[1] = RD_REG_WORD(®->mailbox1); | |
1668 | mb[2] = RD_REG_WORD(®->mailbox2); | |
1669 | mb[3] = RD_REG_WORD(®->mailbox3); | |
1670 | qla2x00_async_event(ha, mb); | |
1671 | break; | |
1672 | case 0x13: | |
1673 | qla24xx_process_response_queue(ha); | |
1674 | break; | |
1675 | default: | |
1676 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
1677 | "(%d).\n", | |
1678 | ha->host_no, stat & 0xff)); | |
1679 | break; | |
1680 | } | |
1681 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); | |
87f27015 | 1682 | } while (0); |
0e973a24 | 1683 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe AV |
1684 | |
1685 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
1686 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
a8488abe | 1687 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
0b05a1f0 | 1688 | complete(&ha->mbx_intr_comp); |
a8488abe AV |
1689 | } |
1690 | ||
1691 | return IRQ_HANDLED; | |
1692 | } | |
1693 | ||
1694 | /* Interrupt handling helpers. */ | |
1695 | ||
1696 | struct qla_init_msix_entry { | |
1697 | uint16_t entry; | |
1698 | uint16_t index; | |
1699 | const char *name; | |
476834c2 | 1700 | irq_handler_t handler; |
a8488abe AV |
1701 | }; |
1702 | ||
1703 | static struct qla_init_msix_entry imsix_entries[QLA_MSIX_ENTRIES] = { | |
1704 | { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT, | |
1705 | "qla2xxx (default)", qla24xx_msix_default }, | |
1706 | ||
1707 | { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q, | |
1708 | "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, | |
1709 | }; | |
1710 | ||
1711 | static void | |
1712 | qla24xx_disable_msix(scsi_qla_host_t *ha) | |
1713 | { | |
1714 | int i; | |
1715 | struct qla_msix_entry *qentry; | |
1716 | ||
1717 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) { | |
1718 | qentry = &ha->msix_entries[imsix_entries[i].index]; | |
1719 | if (qentry->have_irq) | |
1720 | free_irq(qentry->msix_vector, ha); | |
1721 | } | |
1722 | pci_disable_msix(ha->pdev); | |
1723 | } | |
1724 | ||
1725 | static int | |
1726 | qla24xx_enable_msix(scsi_qla_host_t *ha) | |
1727 | { | |
1728 | int i, ret; | |
1729 | struct msix_entry entries[QLA_MSIX_ENTRIES]; | |
1730 | struct qla_msix_entry *qentry; | |
1731 | ||
1732 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) | |
1733 | entries[i].entry = imsix_entries[i].entry; | |
1734 | ||
1735 | ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries)); | |
1736 | if (ret) { | |
1737 | qla_printk(KERN_WARNING, ha, | |
1738 | "MSI-X: Failed to enable support -- %d/%d\n", | |
1739 | QLA_MSIX_ENTRIES, ret); | |
1740 | goto msix_out; | |
1741 | } | |
1742 | ha->flags.msix_enabled = 1; | |
1743 | ||
1744 | for (i = 0; i < QLA_MSIX_ENTRIES; i++) { | |
1745 | qentry = &ha->msix_entries[imsix_entries[i].index]; | |
1746 | qentry->msix_vector = entries[i].vector; | |
1747 | qentry->msix_entry = entries[i].entry; | |
1748 | qentry->have_irq = 0; | |
1749 | ret = request_irq(qentry->msix_vector, | |
1750 | imsix_entries[i].handler, 0, imsix_entries[i].name, ha); | |
1751 | if (ret) { | |
1752 | qla_printk(KERN_WARNING, ha, | |
1753 | "MSI-X: Unable to register handler -- %x/%d.\n", | |
1754 | imsix_entries[i].index, ret); | |
1755 | qla24xx_disable_msix(ha); | |
1756 | goto msix_out; | |
1757 | } | |
1758 | qentry->have_irq = 1; | |
1759 | } | |
1760 | ||
1761 | msix_out: | |
1762 | return ret; | |
1763 | } | |
1764 | ||
1765 | int | |
1766 | qla2x00_request_irqs(scsi_qla_host_t *ha) | |
1767 | { | |
1768 | int ret; | |
963b0fdd | 1769 | device_reg_t __iomem *reg = ha->iobase; |
a8488abe AV |
1770 | |
1771 | /* If possible, enable MSI-X. */ | |
4d4df193 | 1772 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
a8488abe AV |
1773 | goto skip_msix; |
1774 | ||
c3a2f0df AV |
1775 | if (IS_QLA2432(ha) && (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX || |
1776 | !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { | |
a8488abe AV |
1777 | DEBUG2(qla_printk(KERN_WARNING, ha, |
1778 | "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", | |
1779 | ha->chip_revision, ha->fw_attributes)); | |
1780 | ||
1781 | goto skip_msix; | |
1782 | } | |
1783 | ||
da7429f9 AV |
1784 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
1785 | (ha->pdev->subsystem_device == 0x7040 || | |
1786 | ha->pdev->subsystem_device == 0x7041 || | |
1787 | ha->pdev->subsystem_device == 0x1705)) { | |
1788 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
1789 | "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", | |
1790 | ha->pdev->subsystem_vendor, | |
1791 | ha->pdev->subsystem_device)); | |
1792 | ||
1793 | goto skip_msi; | |
1794 | } | |
1795 | ||
a8488abe AV |
1796 | ret = qla24xx_enable_msix(ha); |
1797 | if (!ret) { | |
1798 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1799 | "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, | |
1800 | ha->fw_attributes)); | |
963b0fdd | 1801 | goto clear_risc_ints; |
a8488abe AV |
1802 | } |
1803 | qla_printk(KERN_WARNING, ha, | |
1804 | "MSI-X: Falling back-to INTa mode -- %d.\n", ret); | |
1805 | skip_msix: | |
cbedb601 | 1806 | |
4d4df193 | 1807 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha)) |
cbedb601 AV |
1808 | goto skip_msi; |
1809 | ||
1810 | ret = pci_enable_msi(ha->pdev); | |
1811 | if (!ret) { | |
1812 | DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); | |
1813 | ha->flags.msi_enabled = 1; | |
1814 | } | |
1815 | skip_msi: | |
1816 | ||
fd34f556 | 1817 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
a8488abe | 1818 | IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); |
963b0fdd | 1819 | if (ret) { |
a8488abe AV |
1820 | qla_printk(KERN_WARNING, ha, |
1821 | "Failed to reserve interrupt %d already in use.\n", | |
1822 | ha->pdev->irq); | |
963b0fdd AV |
1823 | goto fail; |
1824 | } | |
1825 | ha->flags.inta_enabled = 1; | |
1826 | ha->host->irq = ha->pdev->irq; | |
1827 | clear_risc_ints: | |
1828 | ||
1829 | ha->isp_ops->disable_intrs(ha); | |
c6952483 | 1830 | spin_lock_irq(&ha->hardware_lock); |
963b0fdd AV |
1831 | if (IS_FWI2_CAPABLE(ha)) { |
1832 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); | |
1833 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); | |
1834 | } else { | |
1835 | WRT_REG_WORD(®->isp.semaphore, 0); | |
1836 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); | |
1837 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); | |
a8488abe | 1838 | } |
c6952483 | 1839 | spin_unlock_irq(&ha->hardware_lock); |
a8488abe | 1840 | |
963b0fdd | 1841 | fail: |
a8488abe AV |
1842 | return ret; |
1843 | } | |
1844 | ||
1845 | void | |
1846 | qla2x00_free_irqs(scsi_qla_host_t *ha) | |
1847 | { | |
1848 | ||
1849 | if (ha->flags.msix_enabled) | |
1850 | qla24xx_disable_msix(ha); | |
cbedb601 | 1851 | else if (ha->flags.inta_enabled) { |
a8488abe | 1852 | free_irq(ha->host->irq, ha); |
cbedb601 AV |
1853 | pci_disable_msi(ha->pdev); |
1854 | } | |
a8488abe | 1855 | } |