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Commit | Line | Data |
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fa90c54f AV |
1 | /* |
2 | * QLogic Fibre Channel HBA Driver | |
07e264b7 | 3 | * Copyright (c) 2003-2011 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f AV |
5 | * See LICENSE.qla2xxx for copyright and licensing details. |
6 | */ | |
1da177e4 LT |
7 | #include "qla_def.h" |
8 | ||
9 | #include <linux/blkdev.h> | |
10 | #include <linux/delay.h> | |
11 | ||
12 | #include <scsi/scsi_tcq.h> | |
13 | ||
73208dfd | 14 | static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *); |
1da177e4 | 15 | |
59e0b8b0 | 16 | static void qla25xx_set_que(srb_t *, struct rsp_que **); |
1da177e4 LT |
17 | /** |
18 | * qla2x00_get_cmd_direction() - Determine control_flag data direction. | |
19 | * @cmd: SCSI command | |
20 | * | |
21 | * Returns the proper CF_* direction based on CDB. | |
22 | */ | |
23 | static inline uint16_t | |
49fd462a | 24 | qla2x00_get_cmd_direction(srb_t *sp) |
1da177e4 LT |
25 | { |
26 | uint16_t cflags; | |
27 | ||
28 | cflags = 0; | |
29 | ||
30 | /* Set transfer direction */ | |
49fd462a | 31 | if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) { |
1da177e4 | 32 | cflags = CF_WRITE; |
e315cd28 | 33 | sp->fcport->vha->hw->qla_stats.output_bytes += |
49fd462a HZ |
34 | scsi_bufflen(sp->cmd); |
35 | } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
1da177e4 | 36 | cflags = CF_READ; |
e315cd28 | 37 | sp->fcport->vha->hw->qla_stats.input_bytes += |
49fd462a HZ |
38 | scsi_bufflen(sp->cmd); |
39 | } | |
1da177e4 LT |
40 | return (cflags); |
41 | } | |
42 | ||
43 | /** | |
44 | * qla2x00_calc_iocbs_32() - Determine number of Command Type 2 and | |
45 | * Continuation Type 0 IOCBs to allocate. | |
46 | * | |
47 | * @dsds: number of data segment decriptors needed | |
48 | * | |
49 | * Returns the number of IOCB entries needed to store @dsds. | |
50 | */ | |
51 | uint16_t | |
52 | qla2x00_calc_iocbs_32(uint16_t dsds) | |
53 | { | |
54 | uint16_t iocbs; | |
55 | ||
56 | iocbs = 1; | |
57 | if (dsds > 3) { | |
58 | iocbs += (dsds - 3) / 7; | |
59 | if ((dsds - 3) % 7) | |
60 | iocbs++; | |
61 | } | |
62 | return (iocbs); | |
63 | } | |
64 | ||
65 | /** | |
66 | * qla2x00_calc_iocbs_64() - Determine number of Command Type 3 and | |
67 | * Continuation Type 1 IOCBs to allocate. | |
68 | * | |
69 | * @dsds: number of data segment decriptors needed | |
70 | * | |
71 | * Returns the number of IOCB entries needed to store @dsds. | |
72 | */ | |
73 | uint16_t | |
74 | qla2x00_calc_iocbs_64(uint16_t dsds) | |
75 | { | |
76 | uint16_t iocbs; | |
77 | ||
78 | iocbs = 1; | |
79 | if (dsds > 2) { | |
80 | iocbs += (dsds - 2) / 5; | |
81 | if ((dsds - 2) % 5) | |
82 | iocbs++; | |
83 | } | |
84 | return (iocbs); | |
85 | } | |
86 | ||
87 | /** | |
88 | * qla2x00_prep_cont_type0_iocb() - Initialize a Continuation Type 0 IOCB. | |
89 | * @ha: HA context | |
90 | * | |
91 | * Returns a pointer to the Continuation Type 0 IOCB packet. | |
92 | */ | |
93 | static inline cont_entry_t * | |
67c2e93a | 94 | qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha) |
1da177e4 LT |
95 | { |
96 | cont_entry_t *cont_pkt; | |
67c2e93a | 97 | struct req_que *req = vha->req; |
1da177e4 | 98 | /* Adjust ring index. */ |
e315cd28 AC |
99 | req->ring_index++; |
100 | if (req->ring_index == req->length) { | |
101 | req->ring_index = 0; | |
102 | req->ring_ptr = req->ring; | |
1da177e4 | 103 | } else { |
e315cd28 | 104 | req->ring_ptr++; |
1da177e4 LT |
105 | } |
106 | ||
e315cd28 | 107 | cont_pkt = (cont_entry_t *)req->ring_ptr; |
1da177e4 LT |
108 | |
109 | /* Load packet defaults. */ | |
110 | *((uint32_t *)(&cont_pkt->entry_type)) = | |
111 | __constant_cpu_to_le32(CONTINUE_TYPE); | |
112 | ||
113 | return (cont_pkt); | |
114 | } | |
115 | ||
116 | /** | |
117 | * qla2x00_prep_cont_type1_iocb() - Initialize a Continuation Type 1 IOCB. | |
118 | * @ha: HA context | |
119 | * | |
120 | * Returns a pointer to the continuation type 1 IOCB packet. | |
121 | */ | |
122 | static inline cont_a64_entry_t * | |
67c2e93a | 123 | qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha) |
1da177e4 LT |
124 | { |
125 | cont_a64_entry_t *cont_pkt; | |
126 | ||
67c2e93a | 127 | struct req_que *req = vha->req; |
1da177e4 | 128 | /* Adjust ring index. */ |
e315cd28 AC |
129 | req->ring_index++; |
130 | if (req->ring_index == req->length) { | |
131 | req->ring_index = 0; | |
132 | req->ring_ptr = req->ring; | |
1da177e4 | 133 | } else { |
e315cd28 | 134 | req->ring_ptr++; |
1da177e4 LT |
135 | } |
136 | ||
e315cd28 | 137 | cont_pkt = (cont_a64_entry_t *)req->ring_ptr; |
1da177e4 LT |
138 | |
139 | /* Load packet defaults. */ | |
140 | *((uint32_t *)(&cont_pkt->entry_type)) = | |
141 | __constant_cpu_to_le32(CONTINUE_A64_TYPE); | |
142 | ||
143 | return (cont_pkt); | |
144 | } | |
145 | ||
bad75002 AE |
146 | static inline int |
147 | qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) | |
148 | { | |
149 | uint8_t guard = scsi_host_get_guard(sp->cmd->device->host); | |
150 | ||
151 | /* We only support T10 DIF right now */ | |
152 | if (guard != SHOST_DIX_GUARD_CRC) { | |
7c3df132 SK |
153 | ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3007, |
154 | "Unsupported guard: %d for cmd=%p.\n", guard, sp->cmd); | |
bad75002 AE |
155 | return 0; |
156 | } | |
157 | ||
158 | /* We always use DIFF Bundling for best performance */ | |
159 | *fw_prot_opts = 0; | |
160 | ||
161 | /* Translate SCSI opcode to a protection opcode */ | |
162 | switch (scsi_get_prot_op(sp->cmd)) { | |
163 | case SCSI_PROT_READ_STRIP: | |
164 | *fw_prot_opts |= PO_MODE_DIF_REMOVE; | |
165 | break; | |
166 | case SCSI_PROT_WRITE_INSERT: | |
167 | *fw_prot_opts |= PO_MODE_DIF_INSERT; | |
168 | break; | |
169 | case SCSI_PROT_READ_INSERT: | |
170 | *fw_prot_opts |= PO_MODE_DIF_INSERT; | |
171 | break; | |
172 | case SCSI_PROT_WRITE_STRIP: | |
173 | *fw_prot_opts |= PO_MODE_DIF_REMOVE; | |
174 | break; | |
175 | case SCSI_PROT_READ_PASS: | |
176 | *fw_prot_opts |= PO_MODE_DIF_PASS; | |
177 | break; | |
178 | case SCSI_PROT_WRITE_PASS: | |
179 | *fw_prot_opts |= PO_MODE_DIF_PASS; | |
180 | break; | |
181 | default: /* Normal Request */ | |
182 | *fw_prot_opts |= PO_MODE_DIF_PASS; | |
183 | break; | |
184 | } | |
185 | ||
186 | return scsi_prot_sg_count(sp->cmd); | |
187 | } | |
188 | ||
189 | /* | |
1da177e4 LT |
190 | * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit |
191 | * capable IOCB types. | |
192 | * | |
193 | * @sp: SRB command to process | |
194 | * @cmd_pkt: Command type 2 IOCB | |
195 | * @tot_dsds: Total number of segments to transfer | |
196 | */ | |
197 | void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, | |
198 | uint16_t tot_dsds) | |
199 | { | |
200 | uint16_t avail_dsds; | |
201 | uint32_t *cur_dsd; | |
e315cd28 | 202 | scsi_qla_host_t *vha; |
1da177e4 | 203 | struct scsi_cmnd *cmd; |
385d70b4 FT |
204 | struct scatterlist *sg; |
205 | int i; | |
1da177e4 LT |
206 | |
207 | cmd = sp->cmd; | |
208 | ||
209 | /* Update entry type to indicate Command Type 2 IOCB */ | |
210 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
211 | __constant_cpu_to_le32(COMMAND_TYPE); | |
212 | ||
213 | /* No data transfer */ | |
385d70b4 | 214 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
1da177e4 LT |
215 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); |
216 | return; | |
217 | } | |
218 | ||
444786d7 | 219 | vha = sp->fcport->vha; |
49fd462a | 220 | cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); |
1da177e4 LT |
221 | |
222 | /* Three DSDs are available in the Command Type 2 IOCB */ | |
223 | avail_dsds = 3; | |
224 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
225 | ||
226 | /* Load data segments */ | |
385d70b4 FT |
227 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { |
228 | cont_entry_t *cont_pkt; | |
229 | ||
230 | /* Allocate additional continuation packets? */ | |
231 | if (avail_dsds == 0) { | |
232 | /* | |
233 | * Seven DSDs are available in the Continuation | |
234 | * Type 0 IOCB. | |
235 | */ | |
67c2e93a | 236 | cont_pkt = qla2x00_prep_cont_type0_iocb(vha); |
385d70b4 FT |
237 | cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address; |
238 | avail_dsds = 7; | |
1da177e4 | 239 | } |
385d70b4 FT |
240 | |
241 | *cur_dsd++ = cpu_to_le32(sg_dma_address(sg)); | |
242 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
243 | avail_dsds--; | |
1da177e4 LT |
244 | } |
245 | } | |
246 | ||
247 | /** | |
248 | * qla2x00_build_scsi_iocbs_64() - Build IOCB command utilizing 64bit | |
249 | * capable IOCB types. | |
250 | * | |
251 | * @sp: SRB command to process | |
252 | * @cmd_pkt: Command type 3 IOCB | |
253 | * @tot_dsds: Total number of segments to transfer | |
254 | */ | |
255 | void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt, | |
256 | uint16_t tot_dsds) | |
257 | { | |
258 | uint16_t avail_dsds; | |
259 | uint32_t *cur_dsd; | |
e315cd28 | 260 | scsi_qla_host_t *vha; |
1da177e4 | 261 | struct scsi_cmnd *cmd; |
385d70b4 FT |
262 | struct scatterlist *sg; |
263 | int i; | |
1da177e4 LT |
264 | |
265 | cmd = sp->cmd; | |
266 | ||
267 | /* Update entry type to indicate Command Type 3 IOCB */ | |
268 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
269 | __constant_cpu_to_le32(COMMAND_A64_TYPE); | |
270 | ||
271 | /* No data transfer */ | |
385d70b4 | 272 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
1da177e4 LT |
273 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); |
274 | return; | |
275 | } | |
276 | ||
444786d7 | 277 | vha = sp->fcport->vha; |
49fd462a | 278 | cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); |
1da177e4 LT |
279 | |
280 | /* Two DSDs are available in the Command Type 3 IOCB */ | |
281 | avail_dsds = 2; | |
282 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
283 | ||
284 | /* Load data segments */ | |
385d70b4 FT |
285 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { |
286 | dma_addr_t sle_dma; | |
287 | cont_a64_entry_t *cont_pkt; | |
288 | ||
289 | /* Allocate additional continuation packets? */ | |
290 | if (avail_dsds == 0) { | |
291 | /* | |
292 | * Five DSDs are available in the Continuation | |
293 | * Type 1 IOCB. | |
294 | */ | |
67c2e93a | 295 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha); |
385d70b4 FT |
296 | cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; |
297 | avail_dsds = 5; | |
1da177e4 | 298 | } |
385d70b4 FT |
299 | |
300 | sle_dma = sg_dma_address(sg); | |
301 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
302 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
303 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
304 | avail_dsds--; | |
1da177e4 LT |
305 | } |
306 | } | |
307 | ||
308 | /** | |
309 | * qla2x00_start_scsi() - Send a SCSI command to the ISP | |
310 | * @sp: command to send to the ISP | |
311 | * | |
cc3ef7bc | 312 | * Returns non-zero if a failure occurred, else zero. |
1da177e4 LT |
313 | */ |
314 | int | |
315 | qla2x00_start_scsi(srb_t *sp) | |
316 | { | |
385d70b4 | 317 | int ret, nseg; |
1da177e4 | 318 | unsigned long flags; |
e315cd28 | 319 | scsi_qla_host_t *vha; |
1da177e4 LT |
320 | struct scsi_cmnd *cmd; |
321 | uint32_t *clr_ptr; | |
322 | uint32_t index; | |
323 | uint32_t handle; | |
324 | cmd_entry_t *cmd_pkt; | |
1da177e4 LT |
325 | uint16_t cnt; |
326 | uint16_t req_cnt; | |
327 | uint16_t tot_dsds; | |
3d71644c | 328 | struct device_reg_2xxx __iomem *reg; |
e315cd28 AC |
329 | struct qla_hw_data *ha; |
330 | struct req_que *req; | |
73208dfd | 331 | struct rsp_que *rsp; |
ff2fc42e | 332 | char tag[2]; |
1da177e4 LT |
333 | |
334 | /* Setup device pointers. */ | |
335 | ret = 0; | |
444786d7 | 336 | vha = sp->fcport->vha; |
e315cd28 | 337 | ha = vha->hw; |
3d71644c | 338 | reg = &ha->iobase->isp; |
1da177e4 | 339 | cmd = sp->cmd; |
73208dfd AC |
340 | req = ha->req_q_map[0]; |
341 | rsp = ha->rsp_q_map[0]; | |
83021920 AV |
342 | /* So we know we haven't pci_map'ed anything yet */ |
343 | tot_dsds = 0; | |
1da177e4 LT |
344 | |
345 | /* Send marker if required */ | |
e315cd28 | 346 | if (vha->marker_needed != 0) { |
7c3df132 SK |
347 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != |
348 | QLA_SUCCESS) { | |
1da177e4 | 349 | return (QLA_FUNCTION_FAILED); |
7c3df132 | 350 | } |
e315cd28 | 351 | vha->marker_needed = 0; |
1da177e4 LT |
352 | } |
353 | ||
354 | /* Acquire ring specific lock */ | |
c9c5ced9 | 355 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
356 | |
357 | /* Check for room in outstanding command list. */ | |
e315cd28 | 358 | handle = req->current_outstanding_cmd; |
1da177e4 LT |
359 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { |
360 | handle++; | |
361 | if (handle == MAX_OUTSTANDING_COMMANDS) | |
362 | handle = 1; | |
e315cd28 | 363 | if (!req->outstanding_cmds[handle]) |
1da177e4 LT |
364 | break; |
365 | } | |
366 | if (index == MAX_OUTSTANDING_COMMANDS) | |
367 | goto queuing_error; | |
368 | ||
83021920 | 369 | /* Map the sg table so we have an accurate count of sg entries needed */ |
2c3dfe3f SJ |
370 | if (scsi_sg_count(cmd)) { |
371 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
372 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
373 | if (unlikely(!nseg)) | |
374 | goto queuing_error; | |
375 | } else | |
376 | nseg = 0; | |
377 | ||
385d70b4 | 378 | tot_dsds = nseg; |
83021920 | 379 | |
1da177e4 | 380 | /* Calculate the number of request entries needed. */ |
fd34f556 | 381 | req_cnt = ha->isp_ops->calc_req_entries(tot_dsds); |
e315cd28 | 382 | if (req->cnt < (req_cnt + 2)) { |
1da177e4 | 383 | cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg)); |
e315cd28 AC |
384 | if (req->ring_index < cnt) |
385 | req->cnt = cnt - req->ring_index; | |
1da177e4 | 386 | else |
e315cd28 AC |
387 | req->cnt = req->length - |
388 | (req->ring_index - cnt); | |
1da177e4 | 389 | } |
e315cd28 | 390 | if (req->cnt < (req_cnt + 2)) |
1da177e4 LT |
391 | goto queuing_error; |
392 | ||
1da177e4 | 393 | /* Build command packet */ |
e315cd28 AC |
394 | req->current_outstanding_cmd = handle; |
395 | req->outstanding_cmds[handle] = sp; | |
cf53b069 | 396 | sp->handle = handle; |
1da177e4 | 397 | sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
e315cd28 | 398 | req->cnt -= req_cnt; |
1da177e4 | 399 | |
e315cd28 | 400 | cmd_pkt = (cmd_entry_t *)req->ring_ptr; |
1da177e4 LT |
401 | cmd_pkt->handle = handle; |
402 | /* Zero out remaining portion of packet. */ | |
403 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
404 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
405 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
406 | ||
bdf79621 AV |
407 | /* Set target ID and LUN number*/ |
408 | SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id); | |
409 | cmd_pkt->lun = cpu_to_le16(sp->cmd->device->lun); | |
1da177e4 LT |
410 | |
411 | /* Update tagged queuing modifier */ | |
ff2fc42e AV |
412 | if (scsi_populate_tag_msg(cmd, tag)) { |
413 | switch (tag[0]) { | |
414 | case HEAD_OF_QUEUE_TAG: | |
415 | cmd_pkt->control_flags = | |
416 | __constant_cpu_to_le16(CF_HEAD_TAG); | |
417 | break; | |
418 | case ORDERED_QUEUE_TAG: | |
419 | cmd_pkt->control_flags = | |
420 | __constant_cpu_to_le16(CF_ORDERED_TAG); | |
421 | break; | |
422 | default: | |
423 | cmd_pkt->control_flags = | |
424 | __constant_cpu_to_le16(CF_SIMPLE_TAG); | |
425 | break; | |
426 | } | |
427 | } | |
1da177e4 | 428 | |
1da177e4 LT |
429 | /* Load SCSI command packet. */ |
430 | memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len); | |
385d70b4 | 431 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); |
1da177e4 LT |
432 | |
433 | /* Build IOCB segments */ | |
fd34f556 | 434 | ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds); |
1da177e4 LT |
435 | |
436 | /* Set total data segment count. */ | |
437 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
438 | wmb(); | |
439 | ||
440 | /* Adjust ring index. */ | |
e315cd28 AC |
441 | req->ring_index++; |
442 | if (req->ring_index == req->length) { | |
443 | req->ring_index = 0; | |
444 | req->ring_ptr = req->ring; | |
1da177e4 | 445 | } else |
e315cd28 | 446 | req->ring_ptr++; |
1da177e4 | 447 | |
1da177e4 | 448 | sp->flags |= SRB_DMA_VALID; |
1da177e4 LT |
449 | |
450 | /* Set chip new ring index. */ | |
e315cd28 | 451 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), req->ring_index); |
1da177e4 LT |
452 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */ |
453 | ||
4fdfefe5 | 454 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
e315cd28 | 455 | if (vha->flags.process_response_queue && |
73208dfd AC |
456 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) |
457 | qla2x00_process_response_queue(rsp); | |
4fdfefe5 | 458 | |
c9c5ced9 | 459 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
460 | return (QLA_SUCCESS); |
461 | ||
462 | queuing_error: | |
385d70b4 FT |
463 | if (tot_dsds) |
464 | scsi_dma_unmap(cmd); | |
465 | ||
c9c5ced9 | 466 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
467 | |
468 | return (QLA_FUNCTION_FAILED); | |
469 | } | |
470 | ||
471 | /** | |
472 | * qla2x00_marker() - Send a marker IOCB to the firmware. | |
473 | * @ha: HA context | |
474 | * @loop_id: loop ID | |
475 | * @lun: LUN | |
476 | * @type: marker modifier | |
477 | * | |
478 | * Can be called from both normal and interrupt context. | |
479 | * | |
cc3ef7bc | 480 | * Returns non-zero if a failure occurred, else zero. |
1da177e4 | 481 | */ |
3dbe756a | 482 | static int |
73208dfd AC |
483 | __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
484 | struct rsp_que *rsp, uint16_t loop_id, | |
485 | uint16_t lun, uint8_t type) | |
1da177e4 | 486 | { |
2b6c0cee AV |
487 | mrk_entry_t *mrk; |
488 | struct mrk_entry_24xx *mrk24; | |
e315cd28 AC |
489 | struct qla_hw_data *ha = vha->hw; |
490 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 | 491 | |
2b6c0cee | 492 | mrk24 = NULL; |
d94d10e7 | 493 | mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, 0); |
2b6c0cee | 494 | if (mrk == NULL) { |
7c3df132 SK |
495 | ql_log(ql_log_warn, base_vha, 0x3026, |
496 | "Failed to allocate Marker IOCB.\n"); | |
1da177e4 LT |
497 | |
498 | return (QLA_FUNCTION_FAILED); | |
499 | } | |
500 | ||
2b6c0cee AV |
501 | mrk->entry_type = MARKER_TYPE; |
502 | mrk->modifier = type; | |
1da177e4 | 503 | if (type != MK_SYNC_ALL) { |
e428924c | 504 | if (IS_FWI2_CAPABLE(ha)) { |
2b6c0cee AV |
505 | mrk24 = (struct mrk_entry_24xx *) mrk; |
506 | mrk24->nport_handle = cpu_to_le16(loop_id); | |
507 | mrk24->lun[1] = LSB(lun); | |
508 | mrk24->lun[2] = MSB(lun); | |
b797b6de | 509 | host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun)); |
e315cd28 | 510 | mrk24->vp_index = vha->vp_idx; |
2afa19a9 | 511 | mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle); |
2b6c0cee AV |
512 | } else { |
513 | SET_TARGET_ID(ha, mrk->target, loop_id); | |
514 | mrk->lun = cpu_to_le16(lun); | |
515 | } | |
1da177e4 LT |
516 | } |
517 | wmb(); | |
518 | ||
73208dfd | 519 | qla2x00_isp_cmd(vha, req); |
1da177e4 LT |
520 | |
521 | return (QLA_SUCCESS); | |
522 | } | |
523 | ||
fa2a1ce5 | 524 | int |
73208dfd AC |
525 | qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
526 | struct rsp_que *rsp, uint16_t loop_id, uint16_t lun, | |
527 | uint8_t type) | |
1da177e4 LT |
528 | { |
529 | int ret; | |
530 | unsigned long flags = 0; | |
531 | ||
73208dfd AC |
532 | spin_lock_irqsave(&vha->hw->hardware_lock, flags); |
533 | ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type); | |
534 | spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); | |
1da177e4 LT |
535 | |
536 | return (ret); | |
537 | } | |
538 | ||
1da177e4 LT |
539 | /** |
540 | * qla2x00_isp_cmd() - Modify the request ring pointer. | |
541 | * @ha: HA context | |
542 | * | |
543 | * Note: The caller must hold the hardware lock before calling this routine. | |
544 | */ | |
413975a0 | 545 | static void |
73208dfd | 546 | qla2x00_isp_cmd(struct scsi_qla_host *vha, struct req_que *req) |
1da177e4 | 547 | { |
e315cd28 | 548 | struct qla_hw_data *ha = vha->hw; |
73208dfd | 549 | device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id); |
17d98630 | 550 | struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; |
1da177e4 | 551 | |
7c3df132 SK |
552 | ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x302d, |
553 | "IOCB data:\n"); | |
554 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e, | |
555 | (uint8_t *)req->ring_ptr, REQUEST_ENTRY_SIZE); | |
1da177e4 LT |
556 | |
557 | /* Adjust ring index. */ | |
e315cd28 AC |
558 | req->ring_index++; |
559 | if (req->ring_index == req->length) { | |
560 | req->ring_index = 0; | |
561 | req->ring_ptr = req->ring; | |
1da177e4 | 562 | } else |
e315cd28 | 563 | req->ring_ptr++; |
1da177e4 LT |
564 | |
565 | /* Set chip new ring index. */ | |
a9083016 GM |
566 | if (IS_QLA82XX(ha)) { |
567 | uint32_t dbval = 0x04 | (ha->portnum << 5); | |
568 | ||
569 | /* write, read and verify logic */ | |
570 | dbval = dbval | (req->id << 8) | (req->ring_index << 16); | |
571 | if (ql2xdbwr) | |
572 | qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); | |
573 | else { | |
574 | WRT_REG_DWORD( | |
575 | (unsigned long __iomem *)ha->nxdb_wr_ptr, | |
576 | dbval); | |
577 | wmb(); | |
578 | while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { | |
579 | WRT_REG_DWORD((unsigned long __iomem *) | |
580 | ha->nxdb_wr_ptr, dbval); | |
581 | wmb(); | |
582 | } | |
583 | } | |
584 | } else if (ha->mqenable) { | |
585 | /* Set chip new ring index. */ | |
17d98630 AC |
586 | WRT_REG_DWORD(®->isp25mq.req_q_in, req->ring_index); |
587 | RD_REG_DWORD(&ioreg->hccr); | |
a9083016 | 588 | } else { |
73208dfd AC |
589 | if (IS_FWI2_CAPABLE(ha)) { |
590 | WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); | |
591 | RD_REG_DWORD_RELAXED(®->isp24.req_q_in); | |
592 | } else { | |
593 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp), | |
594 | req->ring_index); | |
595 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp)); | |
596 | } | |
2b6c0cee AV |
597 | } |
598 | ||
599 | } | |
600 | ||
601 | /** | |
602 | * qla24xx_calc_iocbs() - Determine number of Command Type 3 and | |
603 | * Continuation Type 1 IOCBs to allocate. | |
604 | * | |
605 | * @dsds: number of data segment decriptors needed | |
606 | * | |
607 | * Returns the number of IOCB entries needed to store @dsds. | |
608 | */ | |
a9083016 | 609 | inline uint16_t |
7c3df132 | 610 | qla24xx_calc_iocbs(scsi_qla_host_t *vha, uint16_t dsds) |
2b6c0cee AV |
611 | { |
612 | uint16_t iocbs; | |
613 | ||
614 | iocbs = 1; | |
615 | if (dsds > 1) { | |
616 | iocbs += (dsds - 1) / 5; | |
617 | if ((dsds - 1) % 5) | |
618 | iocbs++; | |
619 | } | |
620 | return iocbs; | |
621 | } | |
622 | ||
623 | /** | |
624 | * qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7 | |
625 | * IOCB types. | |
626 | * | |
627 | * @sp: SRB command to process | |
628 | * @cmd_pkt: Command type 3 IOCB | |
629 | * @tot_dsds: Total number of segments to transfer | |
630 | */ | |
a9083016 | 631 | inline void |
2b6c0cee AV |
632 | qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, |
633 | uint16_t tot_dsds) | |
634 | { | |
635 | uint16_t avail_dsds; | |
636 | uint32_t *cur_dsd; | |
e315cd28 | 637 | scsi_qla_host_t *vha; |
2b6c0cee | 638 | struct scsi_cmnd *cmd; |
385d70b4 FT |
639 | struct scatterlist *sg; |
640 | int i; | |
73208dfd | 641 | struct req_que *req; |
2b6c0cee AV |
642 | |
643 | cmd = sp->cmd; | |
644 | ||
645 | /* Update entry type to indicate Command Type 3 IOCB */ | |
646 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
647 | __constant_cpu_to_le32(COMMAND_TYPE_7); | |
648 | ||
649 | /* No data transfer */ | |
385d70b4 | 650 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
2b6c0cee AV |
651 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); |
652 | return; | |
653 | } | |
654 | ||
444786d7 | 655 | vha = sp->fcport->vha; |
67c2e93a | 656 | req = vha->req; |
2b6c0cee AV |
657 | |
658 | /* Set transfer direction */ | |
49fd462a | 659 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { |
2b6c0cee AV |
660 | cmd_pkt->task_mgmt_flags = |
661 | __constant_cpu_to_le16(TMF_WRITE_DATA); | |
e315cd28 | 662 | sp->fcport->vha->hw->qla_stats.output_bytes += |
49fd462a HZ |
663 | scsi_bufflen(sp->cmd); |
664 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
2b6c0cee AV |
665 | cmd_pkt->task_mgmt_flags = |
666 | __constant_cpu_to_le16(TMF_READ_DATA); | |
e315cd28 | 667 | sp->fcport->vha->hw->qla_stats.input_bytes += |
49fd462a HZ |
668 | scsi_bufflen(sp->cmd); |
669 | } | |
2b6c0cee AV |
670 | |
671 | /* One DSD is available in the Command Type 3 IOCB */ | |
672 | avail_dsds = 1; | |
673 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
674 | ||
675 | /* Load data segments */ | |
385d70b4 FT |
676 | |
677 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { | |
678 | dma_addr_t sle_dma; | |
679 | cont_a64_entry_t *cont_pkt; | |
680 | ||
681 | /* Allocate additional continuation packets? */ | |
682 | if (avail_dsds == 0) { | |
683 | /* | |
684 | * Five DSDs are available in the Continuation | |
685 | * Type 1 IOCB. | |
686 | */ | |
67c2e93a | 687 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha); |
385d70b4 FT |
688 | cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; |
689 | avail_dsds = 5; | |
2b6c0cee | 690 | } |
385d70b4 FT |
691 | |
692 | sle_dma = sg_dma_address(sg); | |
693 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
694 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
695 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
696 | avail_dsds--; | |
2b6c0cee AV |
697 | } |
698 | } | |
699 | ||
bad75002 AE |
700 | struct fw_dif_context { |
701 | uint32_t ref_tag; | |
702 | uint16_t app_tag; | |
703 | uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/ | |
704 | uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/ | |
705 | }; | |
706 | ||
707 | /* | |
708 | * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command | |
709 | * | |
710 | */ | |
711 | static inline void | |
712 | qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, | |
713 | unsigned int protcnt) | |
714 | { | |
715 | struct sd_dif_tuple *spt; | |
7c3df132 | 716 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
bad75002 AE |
717 | unsigned char op = scsi_get_prot_op(cmd); |
718 | ||
719 | switch (scsi_get_prot_type(cmd)) { | |
720 | /* For TYPE 0 protection: no checking */ | |
721 | case SCSI_PROT_DIF_TYPE0: | |
722 | pkt->ref_tag_mask[0] = 0x00; | |
723 | pkt->ref_tag_mask[1] = 0x00; | |
724 | pkt->ref_tag_mask[2] = 0x00; | |
725 | pkt->ref_tag_mask[3] = 0x00; | |
726 | break; | |
727 | ||
728 | /* | |
729 | * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to | |
730 | * match LBA in CDB + N | |
731 | */ | |
732 | case SCSI_PROT_DIF_TYPE2: | |
0c470874 AE |
733 | if (!ql2xenablehba_err_chk) |
734 | break; | |
735 | ||
736 | if (scsi_prot_sg_count(cmd)) { | |
737 | spt = page_address(sg_page(scsi_prot_sglist(cmd))) + | |
738 | scsi_prot_sglist(cmd)[0].offset; | |
739 | pkt->app_tag = swab32(spt->app_tag); | |
740 | pkt->app_tag_mask[0] = 0xff; | |
741 | pkt->app_tag_mask[1] = 0xff; | |
742 | } | |
743 | ||
744 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
745 | (0xffffffff & scsi_get_lba(cmd))); | |
746 | ||
747 | /* enable ALL bytes of the ref tag */ | |
748 | pkt->ref_tag_mask[0] = 0xff; | |
749 | pkt->ref_tag_mask[1] = 0xff; | |
750 | pkt->ref_tag_mask[2] = 0xff; | |
751 | pkt->ref_tag_mask[3] = 0xff; | |
bad75002 AE |
752 | break; |
753 | ||
754 | /* For Type 3 protection: 16 bit GUARD only */ | |
755 | case SCSI_PROT_DIF_TYPE3: | |
756 | pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] = | |
757 | pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] = | |
758 | 0x00; | |
759 | break; | |
760 | ||
761 | /* | |
762 | * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and | |
763 | * 16 bit app tag. | |
764 | */ | |
765 | case SCSI_PROT_DIF_TYPE1: | |
766 | if (!ql2xenablehba_err_chk) | |
767 | break; | |
768 | ||
769 | if (protcnt && (op == SCSI_PROT_WRITE_STRIP || | |
770 | op == SCSI_PROT_WRITE_PASS)) { | |
771 | spt = page_address(sg_page(scsi_prot_sglist(cmd))) + | |
772 | scsi_prot_sglist(cmd)[0].offset; | |
7c3df132 SK |
773 | ql_dbg(ql_dbg_io, vha, 0x3008, |
774 | "LBA from user %p, lba = 0x%x for cmd=%p.\n", | |
775 | spt, (int)spt->ref_tag, cmd); | |
bad75002 AE |
776 | pkt->ref_tag = swab32(spt->ref_tag); |
777 | pkt->app_tag_mask[0] = 0x0; | |
778 | pkt->app_tag_mask[1] = 0x0; | |
779 | } else { | |
780 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
781 | (0xffffffff & scsi_get_lba(cmd))); | |
782 | pkt->app_tag = __constant_cpu_to_le16(0); | |
783 | pkt->app_tag_mask[0] = 0x0; | |
784 | pkt->app_tag_mask[1] = 0x0; | |
785 | } | |
786 | /* enable ALL bytes of the ref tag */ | |
787 | pkt->ref_tag_mask[0] = 0xff; | |
788 | pkt->ref_tag_mask[1] = 0xff; | |
789 | pkt->ref_tag_mask[2] = 0xff; | |
790 | pkt->ref_tag_mask[3] = 0xff; | |
791 | break; | |
792 | } | |
793 | ||
7c3df132 SK |
794 | ql_dbg(ql_dbg_io, vha, 0x3009, |
795 | "Setting protection Tags: (BIG) ref tag = 0x%x, app tag = 0x%x, " | |
796 | "prot SG count %d, cmd lba 0x%x, prot_type=%u cmd=%p.\n", | |
797 | pkt->ref_tag, pkt->app_tag, protcnt, (int)scsi_get_lba(cmd), | |
798 | scsi_get_prot_type(cmd), cmd); | |
bad75002 AE |
799 | } |
800 | ||
801 | ||
802 | static int | |
803 | qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, | |
804 | uint16_t tot_dsds) | |
805 | { | |
806 | void *next_dsd; | |
807 | uint8_t avail_dsds = 0; | |
808 | uint32_t dsd_list_len; | |
809 | struct dsd_dma *dsd_ptr; | |
810 | struct scatterlist *sg; | |
811 | uint32_t *cur_dsd = dsd; | |
812 | int i; | |
813 | uint16_t used_dsds = tot_dsds; | |
7c3df132 | 814 | scsi_qla_host_t *vha = shost_priv(sp->cmd->device->host); |
bad75002 AE |
815 | |
816 | uint8_t *cp; | |
817 | ||
818 | scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) { | |
819 | dma_addr_t sle_dma; | |
820 | ||
821 | /* Allocate additional continuation packets? */ | |
822 | if (avail_dsds == 0) { | |
823 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
824 | QLA_DSDS_PER_IOCB : used_dsds; | |
825 | dsd_list_len = (avail_dsds + 1) * 12; | |
826 | used_dsds -= avail_dsds; | |
827 | ||
828 | /* allocate tracking DS */ | |
829 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
830 | if (!dsd_ptr) | |
831 | return 1; | |
832 | ||
833 | /* allocate new list */ | |
834 | dsd_ptr->dsd_addr = next_dsd = | |
835 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
836 | &dsd_ptr->dsd_list_dma); | |
837 | ||
838 | if (!next_dsd) { | |
839 | /* | |
840 | * Need to cleanup only this dsd_ptr, rest | |
841 | * will be done by sp_free_dma() | |
842 | */ | |
843 | kfree(dsd_ptr); | |
844 | return 1; | |
845 | } | |
846 | ||
847 | list_add_tail(&dsd_ptr->list, | |
848 | &((struct crc_context *)sp->ctx)->dsd_list); | |
849 | ||
850 | sp->flags |= SRB_CRC_CTX_DSD_VALID; | |
851 | ||
852 | /* add new list to cmd iocb or last list */ | |
853 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
854 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
855 | *cur_dsd++ = dsd_list_len; | |
856 | cur_dsd = (uint32_t *)next_dsd; | |
857 | } | |
858 | sle_dma = sg_dma_address(sg); | |
7c3df132 SK |
859 | ql_dbg(ql_dbg_io, vha, 0x300a, |
860 | "sg entry %d - addr=0x%x 0x%x, " "len=%d for cmd=%p.\n", | |
861 | cur_dsd, i, LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg), | |
862 | sp->cmd); | |
bad75002 AE |
863 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); |
864 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
865 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
866 | avail_dsds--; | |
867 | ||
868 | if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { | |
869 | cp = page_address(sg_page(sg)) + sg->offset; | |
7c3df132 SK |
870 | ql_dbg(ql_dbg_io, vha, 0x300b, |
871 | "User data buffer=%p for cmd=%p.\n", cp, sp->cmd); | |
bad75002 AE |
872 | } |
873 | } | |
874 | /* Null termination */ | |
875 | *cur_dsd++ = 0; | |
876 | *cur_dsd++ = 0; | |
877 | *cur_dsd++ = 0; | |
878 | return 0; | |
879 | } | |
880 | ||
881 | static int | |
882 | qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, | |
883 | uint32_t *dsd, | |
884 | uint16_t tot_dsds) | |
885 | { | |
886 | void *next_dsd; | |
887 | uint8_t avail_dsds = 0; | |
888 | uint32_t dsd_list_len; | |
889 | struct dsd_dma *dsd_ptr; | |
890 | struct scatterlist *sg; | |
891 | int i; | |
892 | struct scsi_cmnd *cmd; | |
893 | uint32_t *cur_dsd = dsd; | |
894 | uint16_t used_dsds = tot_dsds; | |
7c3df132 | 895 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
bad75002 AE |
896 | uint8_t *cp; |
897 | ||
898 | ||
899 | cmd = sp->cmd; | |
900 | scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) { | |
901 | dma_addr_t sle_dma; | |
902 | ||
903 | /* Allocate additional continuation packets? */ | |
904 | if (avail_dsds == 0) { | |
905 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
906 | QLA_DSDS_PER_IOCB : used_dsds; | |
907 | dsd_list_len = (avail_dsds + 1) * 12; | |
908 | used_dsds -= avail_dsds; | |
909 | ||
910 | /* allocate tracking DS */ | |
911 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
912 | if (!dsd_ptr) | |
913 | return 1; | |
914 | ||
915 | /* allocate new list */ | |
916 | dsd_ptr->dsd_addr = next_dsd = | |
917 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
918 | &dsd_ptr->dsd_list_dma); | |
919 | ||
920 | if (!next_dsd) { | |
921 | /* | |
922 | * Need to cleanup only this dsd_ptr, rest | |
923 | * will be done by sp_free_dma() | |
924 | */ | |
925 | kfree(dsd_ptr); | |
926 | return 1; | |
927 | } | |
928 | ||
929 | list_add_tail(&dsd_ptr->list, | |
930 | &((struct crc_context *)sp->ctx)->dsd_list); | |
931 | ||
932 | sp->flags |= SRB_CRC_CTX_DSD_VALID; | |
933 | ||
934 | /* add new list to cmd iocb or last list */ | |
935 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
936 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
937 | *cur_dsd++ = dsd_list_len; | |
938 | cur_dsd = (uint32_t *)next_dsd; | |
939 | } | |
940 | sle_dma = sg_dma_address(sg); | |
941 | if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { | |
7c3df132 SK |
942 | ql_dbg(ql_dbg_io, vha, 0x3027, |
943 | "%s(): %p, sg_entry %d - " | |
944 | "addr=0x%x0x%x, len=%d.\n", | |
945 | __func__, cur_dsd, i, | |
946 | LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)); | |
bad75002 AE |
947 | } |
948 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
949 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
950 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
951 | ||
952 | if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { | |
953 | cp = page_address(sg_page(sg)) + sg->offset; | |
7c3df132 SK |
954 | ql_dbg(ql_dbg_io, vha, 0x3028, |
955 | "%s(): Protection Data buffer = %p.\n", __func__, | |
956 | cp); | |
bad75002 AE |
957 | } |
958 | avail_dsds--; | |
959 | } | |
960 | /* Null termination */ | |
961 | *cur_dsd++ = 0; | |
962 | *cur_dsd++ = 0; | |
963 | *cur_dsd++ = 0; | |
964 | return 0; | |
965 | } | |
966 | ||
967 | /** | |
968 | * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command | |
969 | * Type 6 IOCB types. | |
970 | * | |
971 | * @sp: SRB command to process | |
972 | * @cmd_pkt: Command type 3 IOCB | |
973 | * @tot_dsds: Total number of segments to transfer | |
974 | */ | |
975 | static inline int | |
976 | qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, | |
977 | uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts) | |
978 | { | |
979 | uint32_t *cur_dsd, *fcp_dl; | |
980 | scsi_qla_host_t *vha; | |
981 | struct scsi_cmnd *cmd; | |
982 | struct scatterlist *cur_seg; | |
983 | int sgc; | |
984 | uint32_t total_bytes; | |
985 | uint32_t data_bytes; | |
986 | uint32_t dif_bytes; | |
987 | uint8_t bundling = 1; | |
988 | uint16_t blk_size; | |
989 | uint8_t *clr_ptr; | |
990 | struct crc_context *crc_ctx_pkt = NULL; | |
991 | struct qla_hw_data *ha; | |
992 | uint8_t additional_fcpcdb_len; | |
993 | uint16_t fcp_cmnd_len; | |
994 | struct fcp_cmnd *fcp_cmnd; | |
995 | dma_addr_t crc_ctx_dma; | |
ff2fc42e | 996 | char tag[2]; |
bad75002 AE |
997 | |
998 | cmd = sp->cmd; | |
999 | ||
1000 | sgc = 0; | |
1001 | /* Update entry type to indicate Command Type CRC_2 IOCB */ | |
1002 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
1003 | __constant_cpu_to_le32(COMMAND_TYPE_CRC_2); | |
1004 | ||
7c3df132 SK |
1005 | vha = sp->fcport->vha; |
1006 | ha = vha->hw; | |
1007 | ||
bad75002 AE |
1008 | /* No data transfer */ |
1009 | data_bytes = scsi_bufflen(cmd); | |
1010 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { | |
bad75002 AE |
1011 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); |
1012 | return QLA_SUCCESS; | |
1013 | } | |
1014 | ||
bad75002 AE |
1015 | cmd_pkt->vp_index = sp->fcport->vp_idx; |
1016 | ||
1017 | /* Set transfer direction */ | |
1018 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
1019 | cmd_pkt->control_flags = | |
1020 | __constant_cpu_to_le16(CF_WRITE_DATA); | |
1021 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
1022 | cmd_pkt->control_flags = | |
1023 | __constant_cpu_to_le16(CF_READ_DATA); | |
1024 | } | |
1025 | ||
1026 | tot_prot_dsds = scsi_prot_sg_count(cmd); | |
1027 | if (!tot_prot_dsds) | |
1028 | bundling = 0; | |
1029 | ||
1030 | /* Allocate CRC context from global pool */ | |
1031 | crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool, | |
1032 | GFP_ATOMIC, &crc_ctx_dma); | |
1033 | ||
1034 | if (!crc_ctx_pkt) | |
1035 | goto crc_queuing_error; | |
1036 | ||
1037 | /* Zero out CTX area. */ | |
1038 | clr_ptr = (uint8_t *)crc_ctx_pkt; | |
1039 | memset(clr_ptr, 0, sizeof(*crc_ctx_pkt)); | |
1040 | ||
1041 | crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma; | |
1042 | ||
1043 | sp->flags |= SRB_CRC_CTX_DMA_VALID; | |
1044 | ||
1045 | /* Set handle */ | |
1046 | crc_ctx_pkt->handle = cmd_pkt->handle; | |
1047 | ||
1048 | INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list); | |
1049 | ||
1050 | qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *) | |
1051 | &crc_ctx_pkt->ref_tag, tot_prot_dsds); | |
1052 | ||
1053 | cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); | |
1054 | cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma)); | |
1055 | cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW; | |
1056 | ||
1057 | /* Determine SCSI command length -- align to 4 byte boundary */ | |
1058 | if (cmd->cmd_len > 16) { | |
bad75002 AE |
1059 | additional_fcpcdb_len = cmd->cmd_len - 16; |
1060 | if ((cmd->cmd_len % 4) != 0) { | |
1061 | /* SCSI cmd > 16 bytes must be multiple of 4 */ | |
1062 | goto crc_queuing_error; | |
1063 | } | |
1064 | fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
1065 | } else { | |
1066 | additional_fcpcdb_len = 0; | |
1067 | fcp_cmnd_len = 12 + 16 + 4; | |
1068 | } | |
1069 | ||
1070 | fcp_cmnd = &crc_ctx_pkt->fcp_cmnd; | |
1071 | ||
1072 | fcp_cmnd->additional_cdb_len = additional_fcpcdb_len; | |
1073 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
1074 | fcp_cmnd->additional_cdb_len |= 1; | |
1075 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
1076 | fcp_cmnd->additional_cdb_len |= 2; | |
1077 | ||
1078 | int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun); | |
85727e1f | 1079 | host_to_fcp_swap((uint8_t *)&fcp_cmnd->lun, sizeof(fcp_cmnd->lun)); |
bad75002 AE |
1080 | memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); |
1081 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); | |
1082 | cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( | |
1083 | LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
1084 | cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32( | |
1085 | MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
65155b37 | 1086 | fcp_cmnd->task_management = 0; |
bad75002 | 1087 | |
ff2fc42e AV |
1088 | /* |
1089 | * Update tagged queuing modifier if using command tag queuing | |
1090 | */ | |
1091 | if (scsi_populate_tag_msg(cmd, tag)) { | |
1092 | switch (tag[0]) { | |
1093 | case HEAD_OF_QUEUE_TAG: | |
1094 | fcp_cmnd->task_attribute = TSK_HEAD_OF_QUEUE; | |
1095 | break; | |
1096 | case ORDERED_QUEUE_TAG: | |
1097 | fcp_cmnd->task_attribute = TSK_ORDERED; | |
1098 | break; | |
1099 | default: | |
1100 | fcp_cmnd->task_attribute = 0; | |
1101 | break; | |
1102 | } | |
1103 | } else { | |
1104 | fcp_cmnd->task_attribute = 0; | |
1105 | } | |
1106 | ||
bad75002 AE |
1107 | cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ |
1108 | ||
bad75002 AE |
1109 | /* Compute dif len and adjust data len to incude protection */ |
1110 | total_bytes = data_bytes; | |
1111 | dif_bytes = 0; | |
1112 | blk_size = cmd->device->sector_size; | |
0c470874 | 1113 | if (scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { |
bad75002 AE |
1114 | dif_bytes = (data_bytes / blk_size) * 8; |
1115 | total_bytes += dif_bytes; | |
1116 | } | |
1117 | ||
1118 | if (!ql2xenablehba_err_chk) | |
1119 | fw_prot_opts |= 0x10; /* Disable Guard tag checking */ | |
1120 | ||
1121 | if (!bundling) { | |
1122 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; | |
1123 | } else { | |
1124 | /* | |
1125 | * Configure Bundling if we need to fetch interlaving | |
1126 | * protection PCI accesses | |
1127 | */ | |
1128 | fw_prot_opts |= PO_ENABLE_DIF_BUNDLING; | |
1129 | crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes); | |
1130 | crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds - | |
1131 | tot_prot_dsds); | |
1132 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address; | |
1133 | } | |
1134 | ||
1135 | /* Finish the common fields of CRC pkt */ | |
1136 | crc_ctx_pkt->blk_size = cpu_to_le16(blk_size); | |
1137 | crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts); | |
1138 | crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes); | |
1139 | crc_ctx_pkt->guard_seed = __constant_cpu_to_le16(0); | |
1140 | /* Fibre channel byte count */ | |
1141 | cmd_pkt->byte_count = cpu_to_le32(total_bytes); | |
1142 | fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 + | |
1143 | additional_fcpcdb_len); | |
1144 | *fcp_dl = htonl(total_bytes); | |
1145 | ||
0c470874 | 1146 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { |
0c470874 AE |
1147 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); |
1148 | return QLA_SUCCESS; | |
1149 | } | |
bad75002 AE |
1150 | /* Walks data segments */ |
1151 | ||
1152 | cmd_pkt->control_flags |= | |
1153 | __constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE); | |
1154 | if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, | |
1155 | (tot_dsds - tot_prot_dsds))) | |
1156 | goto crc_queuing_error; | |
1157 | ||
1158 | if (bundling && tot_prot_dsds) { | |
1159 | /* Walks dif segments */ | |
1160 | cur_seg = scsi_prot_sglist(cmd); | |
1161 | cmd_pkt->control_flags |= | |
1162 | __constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE); | |
1163 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address; | |
1164 | if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd, | |
1165 | tot_prot_dsds)) | |
1166 | goto crc_queuing_error; | |
1167 | } | |
1168 | return QLA_SUCCESS; | |
1169 | ||
1170 | crc_queuing_error: | |
bad75002 AE |
1171 | /* Cleanup will be performed by the caller */ |
1172 | ||
1173 | return QLA_FUNCTION_FAILED; | |
1174 | } | |
2b6c0cee AV |
1175 | |
1176 | /** | |
1177 | * qla24xx_start_scsi() - Send a SCSI command to the ISP | |
1178 | * @sp: command to send to the ISP | |
1179 | * | |
cc3ef7bc | 1180 | * Returns non-zero if a failure occurred, else zero. |
2b6c0cee AV |
1181 | */ |
1182 | int | |
1183 | qla24xx_start_scsi(srb_t *sp) | |
1184 | { | |
385d70b4 | 1185 | int ret, nseg; |
2b6c0cee | 1186 | unsigned long flags; |
2b6c0cee AV |
1187 | uint32_t *clr_ptr; |
1188 | uint32_t index; | |
1189 | uint32_t handle; | |
1190 | struct cmd_type_7 *cmd_pkt; | |
2b6c0cee AV |
1191 | uint16_t cnt; |
1192 | uint16_t req_cnt; | |
1193 | uint16_t tot_dsds; | |
73208dfd AC |
1194 | struct req_que *req = NULL; |
1195 | struct rsp_que *rsp = NULL; | |
1196 | struct scsi_cmnd *cmd = sp->cmd; | |
444786d7 | 1197 | struct scsi_qla_host *vha = sp->fcport->vha; |
73208dfd | 1198 | struct qla_hw_data *ha = vha->hw; |
ff2fc42e | 1199 | char tag[2]; |
2b6c0cee AV |
1200 | |
1201 | /* Setup device pointers. */ | |
1202 | ret = 0; | |
73208dfd | 1203 | |
59e0b8b0 AC |
1204 | qla25xx_set_que(sp, &rsp); |
1205 | req = vha->req; | |
73208dfd | 1206 | |
2b6c0cee AV |
1207 | /* So we know we haven't pci_map'ed anything yet */ |
1208 | tot_dsds = 0; | |
1209 | ||
1210 | /* Send marker if required */ | |
e315cd28 | 1211 | if (vha->marker_needed != 0) { |
7c3df132 SK |
1212 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != |
1213 | QLA_SUCCESS) | |
2b6c0cee | 1214 | return QLA_FUNCTION_FAILED; |
e315cd28 | 1215 | vha->marker_needed = 0; |
2b6c0cee AV |
1216 | } |
1217 | ||
1218 | /* Acquire ring specific lock */ | |
e315cd28 | 1219 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2b6c0cee AV |
1220 | |
1221 | /* Check for room in outstanding command list. */ | |
e315cd28 | 1222 | handle = req->current_outstanding_cmd; |
2b6c0cee AV |
1223 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { |
1224 | handle++; | |
1225 | if (handle == MAX_OUTSTANDING_COMMANDS) | |
1226 | handle = 1; | |
e315cd28 | 1227 | if (!req->outstanding_cmds[handle]) |
2b6c0cee AV |
1228 | break; |
1229 | } | |
7c3df132 | 1230 | if (index == MAX_OUTSTANDING_COMMANDS) { |
2b6c0cee | 1231 | goto queuing_error; |
7c3df132 | 1232 | } |
2b6c0cee AV |
1233 | |
1234 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2c3dfe3f SJ |
1235 | if (scsi_sg_count(cmd)) { |
1236 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1237 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1238 | if (unlikely(!nseg)) | |
2b6c0cee | 1239 | goto queuing_error; |
2c3dfe3f SJ |
1240 | } else |
1241 | nseg = 0; | |
1242 | ||
385d70b4 | 1243 | tot_dsds = nseg; |
7c3df132 | 1244 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); |
e315cd28 | 1245 | if (req->cnt < (req_cnt + 2)) { |
08029990 | 1246 | cnt = RD_REG_DWORD_RELAXED(req->req_q_out); |
73208dfd | 1247 | |
e315cd28 AC |
1248 | if (req->ring_index < cnt) |
1249 | req->cnt = cnt - req->ring_index; | |
2b6c0cee | 1250 | else |
e315cd28 AC |
1251 | req->cnt = req->length - |
1252 | (req->ring_index - cnt); | |
2b6c0cee | 1253 | } |
e315cd28 | 1254 | if (req->cnt < (req_cnt + 2)) |
2b6c0cee | 1255 | goto queuing_error; |
2b6c0cee AV |
1256 | |
1257 | /* Build command packet. */ | |
e315cd28 AC |
1258 | req->current_outstanding_cmd = handle; |
1259 | req->outstanding_cmds[handle] = sp; | |
cf53b069 | 1260 | sp->handle = handle; |
2b6c0cee | 1261 | sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
e315cd28 | 1262 | req->cnt -= req_cnt; |
2b6c0cee | 1263 | |
e315cd28 | 1264 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; |
2afa19a9 | 1265 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); |
2b6c0cee AV |
1266 | |
1267 | /* Zero out remaining portion of packet. */ | |
72df8325 | 1268 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ |
2b6c0cee AV |
1269 | clr_ptr = (uint32_t *)cmd_pkt + 2; |
1270 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1271 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1272 | ||
1273 | /* Set NPORT-ID and LUN number*/ | |
1274 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1275 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1276 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1277 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
2c3dfe3f | 1278 | cmd_pkt->vp_index = sp->fcport->vp_idx; |
2b6c0cee | 1279 | |
661c3f6c | 1280 | int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); |
0d4be124 | 1281 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
2b6c0cee | 1282 | |
ff2fc42e AV |
1283 | /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */ |
1284 | if (scsi_populate_tag_msg(cmd, tag)) { | |
1285 | switch (tag[0]) { | |
1286 | case HEAD_OF_QUEUE_TAG: | |
1287 | cmd_pkt->task = TSK_HEAD_OF_QUEUE; | |
1288 | break; | |
1289 | case ORDERED_QUEUE_TAG: | |
1290 | cmd_pkt->task = TSK_ORDERED; | |
1291 | break; | |
1292 | } | |
1293 | } | |
1294 | ||
2b6c0cee AV |
1295 | /* Load SCSI command packet. */ |
1296 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
1297 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
1298 | ||
385d70b4 | 1299 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); |
2b6c0cee AV |
1300 | |
1301 | /* Build IOCB segments */ | |
1302 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds); | |
1303 | ||
1304 | /* Set total data segment count. */ | |
1305 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2afa19a9 AC |
1306 | /* Specify response queue number where completion should happen */ |
1307 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
2b6c0cee | 1308 | wmb(); |
2b6c0cee | 1309 | /* Adjust ring index. */ |
e315cd28 AC |
1310 | req->ring_index++; |
1311 | if (req->ring_index == req->length) { | |
1312 | req->ring_index = 0; | |
1313 | req->ring_ptr = req->ring; | |
2b6c0cee | 1314 | } else |
e315cd28 | 1315 | req->ring_ptr++; |
2b6c0cee AV |
1316 | |
1317 | sp->flags |= SRB_DMA_VALID; | |
2b6c0cee AV |
1318 | |
1319 | /* Set chip new ring index. */ | |
08029990 AV |
1320 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
1321 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
2b6c0cee | 1322 | |
4fdfefe5 | 1323 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
e315cd28 | 1324 | if (vha->flags.process_response_queue && |
73208dfd | 1325 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) |
2afa19a9 | 1326 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 1327 | |
e315cd28 | 1328 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1329 | return QLA_SUCCESS; |
1330 | ||
1331 | queuing_error: | |
385d70b4 FT |
1332 | if (tot_dsds) |
1333 | scsi_dma_unmap(cmd); | |
1334 | ||
e315cd28 | 1335 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1336 | |
1337 | return QLA_FUNCTION_FAILED; | |
1da177e4 | 1338 | } |
68ca949c | 1339 | |
bad75002 AE |
1340 | |
1341 | /** | |
1342 | * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP | |
1343 | * @sp: command to send to the ISP | |
1344 | * | |
1345 | * Returns non-zero if a failure occurred, else zero. | |
1346 | */ | |
1347 | int | |
1348 | qla24xx_dif_start_scsi(srb_t *sp) | |
1349 | { | |
1350 | int nseg; | |
1351 | unsigned long flags; | |
1352 | uint32_t *clr_ptr; | |
1353 | uint32_t index; | |
1354 | uint32_t handle; | |
1355 | uint16_t cnt; | |
1356 | uint16_t req_cnt = 0; | |
1357 | uint16_t tot_dsds; | |
1358 | uint16_t tot_prot_dsds; | |
1359 | uint16_t fw_prot_opts = 0; | |
1360 | struct req_que *req = NULL; | |
1361 | struct rsp_que *rsp = NULL; | |
1362 | struct scsi_cmnd *cmd = sp->cmd; | |
1363 | struct scsi_qla_host *vha = sp->fcport->vha; | |
1364 | struct qla_hw_data *ha = vha->hw; | |
1365 | struct cmd_type_crc_2 *cmd_pkt; | |
1366 | uint32_t status = 0; | |
1367 | ||
1368 | #define QDSS_GOT_Q_SPACE BIT_0 | |
1369 | ||
0c470874 AE |
1370 | /* Only process protection or >16 cdb in this routine */ |
1371 | if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) { | |
1372 | if (cmd->cmd_len <= 16) | |
1373 | return qla24xx_start_scsi(sp); | |
1374 | } | |
bad75002 AE |
1375 | |
1376 | /* Setup device pointers. */ | |
1377 | ||
1378 | qla25xx_set_que(sp, &rsp); | |
1379 | req = vha->req; | |
1380 | ||
1381 | /* So we know we haven't pci_map'ed anything yet */ | |
1382 | tot_dsds = 0; | |
1383 | ||
1384 | /* Send marker if required */ | |
1385 | if (vha->marker_needed != 0) { | |
1386 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1387 | QLA_SUCCESS) | |
1388 | return QLA_FUNCTION_FAILED; | |
1389 | vha->marker_needed = 0; | |
1390 | } | |
1391 | ||
1392 | /* Acquire ring specific lock */ | |
1393 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1394 | ||
1395 | /* Check for room in outstanding command list. */ | |
1396 | handle = req->current_outstanding_cmd; | |
1397 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
1398 | handle++; | |
1399 | if (handle == MAX_OUTSTANDING_COMMANDS) | |
1400 | handle = 1; | |
1401 | if (!req->outstanding_cmds[handle]) | |
1402 | break; | |
1403 | } | |
1404 | ||
1405 | if (index == MAX_OUTSTANDING_COMMANDS) | |
1406 | goto queuing_error; | |
1407 | ||
1408 | /* Compute number of required data segments */ | |
1409 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1410 | if (scsi_sg_count(cmd)) { | |
1411 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1412 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1413 | if (unlikely(!nseg)) | |
1414 | goto queuing_error; | |
1415 | else | |
1416 | sp->flags |= SRB_DMA_VALID; | |
1417 | } else | |
1418 | nseg = 0; | |
1419 | ||
1420 | /* number of required data segments */ | |
1421 | tot_dsds = nseg; | |
1422 | ||
1423 | /* Compute number of required protection segments */ | |
1424 | if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) { | |
1425 | nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | |
1426 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | |
1427 | if (unlikely(!nseg)) | |
1428 | goto queuing_error; | |
1429 | else | |
1430 | sp->flags |= SRB_CRC_PROT_DMA_VALID; | |
1431 | } else { | |
1432 | nseg = 0; | |
1433 | } | |
1434 | ||
1435 | req_cnt = 1; | |
1436 | /* Total Data and protection sg segment(s) */ | |
1437 | tot_prot_dsds = nseg; | |
1438 | tot_dsds += nseg; | |
1439 | if (req->cnt < (req_cnt + 2)) { | |
1440 | cnt = RD_REG_DWORD_RELAXED(req->req_q_out); | |
1441 | ||
1442 | if (req->ring_index < cnt) | |
1443 | req->cnt = cnt - req->ring_index; | |
1444 | else | |
1445 | req->cnt = req->length - | |
1446 | (req->ring_index - cnt); | |
1447 | } | |
1448 | ||
1449 | if (req->cnt < (req_cnt + 2)) | |
1450 | goto queuing_error; | |
1451 | ||
1452 | status |= QDSS_GOT_Q_SPACE; | |
1453 | ||
1454 | /* Build header part of command packet (excluding the OPCODE). */ | |
1455 | req->current_outstanding_cmd = handle; | |
1456 | req->outstanding_cmds[handle] = sp; | |
1457 | sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
1458 | req->cnt -= req_cnt; | |
1459 | ||
1460 | /* Fill-in common area */ | |
1461 | cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr; | |
1462 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
1463 | ||
1464 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
1465 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1466 | ||
1467 | /* Set NPORT-ID and LUN number*/ | |
1468 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1469 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1470 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1471 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
1472 | ||
1473 | int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); | |
1474 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); | |
1475 | ||
1476 | /* Total Data and protection segment(s) */ | |
1477 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1478 | ||
1479 | /* Build IOCB segments and adjust for data protection segments */ | |
1480 | if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *) | |
1481 | req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) != | |
1482 | QLA_SUCCESS) | |
1483 | goto queuing_error; | |
1484 | ||
1485 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1486 | /* Specify response queue number where completion should happen */ | |
1487 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
1488 | cmd_pkt->timeout = __constant_cpu_to_le16(0); | |
1489 | wmb(); | |
1490 | ||
1491 | /* Adjust ring index. */ | |
1492 | req->ring_index++; | |
1493 | if (req->ring_index == req->length) { | |
1494 | req->ring_index = 0; | |
1495 | req->ring_ptr = req->ring; | |
1496 | } else | |
1497 | req->ring_ptr++; | |
1498 | ||
1499 | /* Set chip new ring index. */ | |
1500 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
1501 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
1502 | ||
1503 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
1504 | if (vha->flags.process_response_queue && | |
1505 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
1506 | qla24xx_process_response_queue(vha, rsp); | |
1507 | ||
1508 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1509 | ||
1510 | return QLA_SUCCESS; | |
1511 | ||
1512 | queuing_error: | |
1513 | if (status & QDSS_GOT_Q_SPACE) { | |
1514 | req->outstanding_cmds[handle] = NULL; | |
1515 | req->cnt += req_cnt; | |
1516 | } | |
1517 | /* Cleanup will be performed by the caller (queuecommand) */ | |
1518 | ||
1519 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
bad75002 AE |
1520 | return QLA_FUNCTION_FAILED; |
1521 | } | |
1522 | ||
1523 | ||
59e0b8b0 | 1524 | static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp) |
68ca949c AC |
1525 | { |
1526 | struct scsi_cmnd *cmd = sp->cmd; | |
68ca949c AC |
1527 | struct qla_hw_data *ha = sp->fcport->vha->hw; |
1528 | int affinity = cmd->request->cpu; | |
1529 | ||
7163ea81 | 1530 | if (ha->flags.cpu_affinity_enabled && affinity >= 0 && |
59e0b8b0 | 1531 | affinity < ha->max_rsp_queues - 1) |
68ca949c | 1532 | *rsp = ha->rsp_q_map[affinity + 1]; |
59e0b8b0 | 1533 | else |
68ca949c | 1534 | *rsp = ha->rsp_q_map[0]; |
68ca949c | 1535 | } |
ac280b67 AV |
1536 | |
1537 | /* Generic Control-SRB manipulation functions. */ | |
d94d10e7 GM |
1538 | void * |
1539 | qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) | |
ac280b67 | 1540 | { |
ac280b67 AV |
1541 | struct qla_hw_data *ha = vha->hw; |
1542 | struct req_que *req = ha->req_q_map[0]; | |
1543 | device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id); | |
1544 | uint32_t index, handle; | |
1545 | request_t *pkt; | |
1546 | uint16_t cnt, req_cnt; | |
1547 | ||
1548 | pkt = NULL; | |
1549 | req_cnt = 1; | |
d94d10e7 GM |
1550 | handle = 0; |
1551 | ||
1552 | if (!sp) | |
1553 | goto skip_cmd_array; | |
ac280b67 AV |
1554 | |
1555 | /* Check for room in outstanding command list. */ | |
1556 | handle = req->current_outstanding_cmd; | |
1557 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
1558 | handle++; | |
1559 | if (handle == MAX_OUTSTANDING_COMMANDS) | |
1560 | handle = 1; | |
1561 | if (!req->outstanding_cmds[handle]) | |
1562 | break; | |
1563 | } | |
7c3df132 SK |
1564 | if (index == MAX_OUTSTANDING_COMMANDS) { |
1565 | ql_log(ql_log_warn, vha, 0x700b, | |
1566 | "No room on oustanding cmd array.\n"); | |
ac280b67 | 1567 | goto queuing_error; |
7c3df132 | 1568 | } |
ac280b67 | 1569 | |
d94d10e7 GM |
1570 | /* Prep command array. */ |
1571 | req->current_outstanding_cmd = handle; | |
1572 | req->outstanding_cmds[handle] = sp; | |
1573 | sp->handle = handle; | |
1574 | ||
1575 | skip_cmd_array: | |
ac280b67 AV |
1576 | /* Check for room on request queue. */ |
1577 | if (req->cnt < req_cnt) { | |
1578 | if (ha->mqenable) | |
1579 | cnt = RD_REG_DWORD(®->isp25mq.req_q_out); | |
d94d10e7 GM |
1580 | else if (IS_QLA82XX(ha)) |
1581 | cnt = RD_REG_DWORD(®->isp82.req_q_out); | |
ac280b67 AV |
1582 | else if (IS_FWI2_CAPABLE(ha)) |
1583 | cnt = RD_REG_DWORD(®->isp24.req_q_out); | |
1584 | else | |
1585 | cnt = qla2x00_debounce_register( | |
1586 | ISP_REQ_Q_OUT(ha, ®->isp)); | |
1587 | ||
1588 | if (req->ring_index < cnt) | |
1589 | req->cnt = cnt - req->ring_index; | |
1590 | else | |
1591 | req->cnt = req->length - | |
1592 | (req->ring_index - cnt); | |
1593 | } | |
1594 | if (req->cnt < req_cnt) | |
1595 | goto queuing_error; | |
1596 | ||
1597 | /* Prep packet */ | |
ac280b67 | 1598 | req->cnt -= req_cnt; |
ac280b67 AV |
1599 | pkt = req->ring_ptr; |
1600 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
1601 | pkt->entry_count = req_cnt; | |
1602 | pkt->handle = handle; | |
ac280b67 AV |
1603 | |
1604 | queuing_error: | |
1605 | return pkt; | |
1606 | } | |
1607 | ||
1608 | static void | |
1609 | qla2x00_start_iocbs(srb_t *sp) | |
1610 | { | |
1611 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
1612 | struct req_que *req = ha->req_q_map[0]; | |
1613 | device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id); | |
1614 | struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; | |
1615 | ||
a9083016 GM |
1616 | if (IS_QLA82XX(ha)) { |
1617 | qla82xx_start_iocbs(sp); | |
ac280b67 | 1618 | } else { |
a9083016 GM |
1619 | /* Adjust ring index. */ |
1620 | req->ring_index++; | |
1621 | if (req->ring_index == req->length) { | |
1622 | req->ring_index = 0; | |
1623 | req->ring_ptr = req->ring; | |
1624 | } else | |
1625 | req->ring_ptr++; | |
1626 | ||
1627 | /* Set chip new ring index. */ | |
1628 | if (ha->mqenable) { | |
1629 | WRT_REG_DWORD(®->isp25mq.req_q_in, req->ring_index); | |
1630 | RD_REG_DWORD(&ioreg->hccr); | |
1631 | } else if (IS_QLA82XX(ha)) { | |
1632 | qla82xx_start_iocbs(sp); | |
1633 | } else if (IS_FWI2_CAPABLE(ha)) { | |
1634 | WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); | |
1635 | RD_REG_DWORD_RELAXED(®->isp24.req_q_in); | |
1636 | } else { | |
1637 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp), | |
1638 | req->ring_index); | |
1639 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp)); | |
1640 | } | |
ac280b67 AV |
1641 | } |
1642 | } | |
1643 | ||
1644 | static void | |
1645 | qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
1646 | { | |
4916392b MI |
1647 | struct srb_ctx *ctx = sp->ctx; |
1648 | struct srb_iocb *lio = ctx->u.iocb_cmd; | |
ac280b67 AV |
1649 | |
1650 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
1651 | logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI); | |
4916392b | 1652 | if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI) |
ac280b67 | 1653 | logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI); |
4916392b | 1654 | if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI) |
ac280b67 AV |
1655 | logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI); |
1656 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1657 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1658 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
1659 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
1660 | logio->vp_index = sp->fcport->vp_idx; | |
1661 | } | |
1662 | ||
1663 | static void | |
1664 | qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) | |
1665 | { | |
1666 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
4916392b MI |
1667 | struct srb_ctx *ctx = sp->ctx; |
1668 | struct srb_iocb *lio = ctx->u.iocb_cmd; | |
ac280b67 AV |
1669 | uint16_t opts; |
1670 | ||
b963752f | 1671 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
1672 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
1673 | mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT); | |
4916392b MI |
1674 | opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0; |
1675 | opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0; | |
ac280b67 AV |
1676 | if (HAS_EXTENDED_IDS(ha)) { |
1677 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
1678 | mbx->mb10 = cpu_to_le16(opts); | |
1679 | } else { | |
1680 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts); | |
1681 | } | |
1682 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
1683 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
1684 | sp->fcport->d_id.b.al_pa); | |
1685 | mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); | |
1686 | } | |
1687 | ||
1688 | static void | |
1689 | qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
1690 | { | |
1691 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
1692 | logio->control_flags = | |
1693 | cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO); | |
1694 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1695 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1696 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
1697 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
1698 | logio->vp_index = sp->fcport->vp_idx; | |
1699 | } | |
1700 | ||
1701 | static void | |
1702 | qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx) | |
1703 | { | |
1704 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
1705 | ||
b963752f | 1706 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
1707 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
1708 | mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT); | |
1709 | mbx->mb1 = HAS_EXTENDED_IDS(ha) ? | |
1710 | cpu_to_le16(sp->fcport->loop_id): | |
1711 | cpu_to_le16(sp->fcport->loop_id << 8); | |
1712 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
1713 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
1714 | sp->fcport->d_id.b.al_pa); | |
1715 | mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); | |
1716 | /* Implicit: mbx->mbx10 = 0. */ | |
1717 | } | |
1718 | ||
5ff1d584 AV |
1719 | static void |
1720 | qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
1721 | { | |
1722 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
1723 | logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC); | |
1724 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1725 | logio->vp_index = sp->fcport->vp_idx; | |
1726 | } | |
1727 | ||
1728 | static void | |
1729 | qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx) | |
1730 | { | |
1731 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
1732 | ||
1733 | mbx->entry_type = MBX_IOCB_TYPE; | |
1734 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); | |
1735 | mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE); | |
1736 | if (HAS_EXTENDED_IDS(ha)) { | |
1737 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
1738 | mbx->mb10 = cpu_to_le16(BIT_0); | |
1739 | } else { | |
1740 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0); | |
1741 | } | |
1742 | mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma)); | |
1743 | mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma)); | |
1744 | mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma))); | |
1745 | mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma))); | |
1746 | mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx); | |
1747 | } | |
1748 | ||
3822263e MI |
1749 | static void |
1750 | qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) | |
1751 | { | |
1752 | uint32_t flags; | |
1753 | unsigned int lun; | |
1754 | struct fc_port *fcport = sp->fcport; | |
1755 | scsi_qla_host_t *vha = fcport->vha; | |
1756 | struct qla_hw_data *ha = vha->hw; | |
1757 | struct srb_ctx *ctx = sp->ctx; | |
1758 | struct srb_iocb *iocb = ctx->u.iocb_cmd; | |
1759 | struct req_que *req = vha->req; | |
1760 | ||
1761 | flags = iocb->u.tmf.flags; | |
1762 | lun = iocb->u.tmf.lun; | |
1763 | ||
1764 | tsk->entry_type = TSK_MGMT_IOCB_TYPE; | |
1765 | tsk->entry_count = 1; | |
1766 | tsk->handle = MAKE_HANDLE(req->id, tsk->handle); | |
1767 | tsk->nport_handle = cpu_to_le16(fcport->loop_id); | |
1768 | tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2); | |
1769 | tsk->control_flags = cpu_to_le32(flags); | |
1770 | tsk->port_id[0] = fcport->d_id.b.al_pa; | |
1771 | tsk->port_id[1] = fcport->d_id.b.area; | |
1772 | tsk->port_id[2] = fcport->d_id.b.domain; | |
1773 | tsk->vp_index = fcport->vp_idx; | |
1774 | ||
1775 | if (flags == TCF_LUN_RESET) { | |
1776 | int_to_scsilun(lun, &tsk->lun); | |
1777 | host_to_fcp_swap((uint8_t *)&tsk->lun, | |
1778 | sizeof(tsk->lun)); | |
1779 | } | |
1780 | } | |
1781 | ||
9a069e19 GM |
1782 | static void |
1783 | qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) | |
1784 | { | |
4916392b | 1785 | struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; |
9a069e19 GM |
1786 | |
1787 | els_iocb->entry_type = ELS_IOCB_TYPE; | |
1788 | els_iocb->entry_count = 1; | |
1789 | els_iocb->sys_define = 0; | |
1790 | els_iocb->entry_status = 0; | |
1791 | els_iocb->handle = sp->handle; | |
1792 | els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1793 | els_iocb->tx_dsd_count = __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt); | |
1794 | els_iocb->vp_index = sp->fcport->vp_idx; | |
1795 | els_iocb->sof_type = EST_SOFI3; | |
1796 | els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt); | |
1797 | ||
4916392b MI |
1798 | els_iocb->opcode = |
1799 | (((struct srb_ctx *)sp->ctx)->type == SRB_ELS_CMD_RPT) ? | |
1800 | bsg_job->request->rqst_data.r_els.els_code : | |
1801 | bsg_job->request->rqst_data.h_els.command_code; | |
9a069e19 GM |
1802 | els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; |
1803 | els_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
1804 | els_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
1805 | els_iocb->control_flags = 0; | |
1806 | els_iocb->rx_byte_count = | |
1807 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
1808 | els_iocb->tx_byte_count = | |
1809 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
1810 | ||
1811 | els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
1812 | (bsg_job->request_payload.sg_list))); | |
1813 | els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
1814 | (bsg_job->request_payload.sg_list))); | |
1815 | els_iocb->tx_len = cpu_to_le32(sg_dma_len | |
1816 | (bsg_job->request_payload.sg_list)); | |
1817 | ||
1818 | els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
1819 | (bsg_job->reply_payload.sg_list))); | |
1820 | els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
1821 | (bsg_job->reply_payload.sg_list))); | |
1822 | els_iocb->rx_len = cpu_to_le32(sg_dma_len | |
1823 | (bsg_job->reply_payload.sg_list)); | |
1824 | } | |
1825 | ||
9bc4f4fb HZ |
1826 | static void |
1827 | qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) | |
1828 | { | |
1829 | uint16_t avail_dsds; | |
1830 | uint32_t *cur_dsd; | |
1831 | struct scatterlist *sg; | |
1832 | int index; | |
1833 | uint16_t tot_dsds; | |
1834 | scsi_qla_host_t *vha = sp->fcport->vha; | |
1835 | struct qla_hw_data *ha = vha->hw; | |
1836 | struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; | |
1837 | int loop_iterartion = 0; | |
1838 | int cont_iocb_prsnt = 0; | |
1839 | int entry_count = 1; | |
1840 | ||
1841 | memset(ct_iocb, 0, sizeof(ms_iocb_entry_t)); | |
1842 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
1843 | ct_iocb->entry_status = 0; | |
1844 | ct_iocb->handle1 = sp->handle; | |
1845 | SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id); | |
1846 | ct_iocb->status = __constant_cpu_to_le16(0); | |
1847 | ct_iocb->control_flags = __constant_cpu_to_le16(0); | |
1848 | ct_iocb->timeout = 0; | |
1849 | ct_iocb->cmd_dsd_count = | |
1850 | __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt); | |
1851 | ct_iocb->total_dsd_count = | |
1852 | __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt + 1); | |
1853 | ct_iocb->req_bytecount = | |
1854 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
1855 | ct_iocb->rsp_bytecount = | |
1856 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
1857 | ||
1858 | ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address | |
1859 | (bsg_job->request_payload.sg_list))); | |
1860 | ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address | |
1861 | (bsg_job->request_payload.sg_list))); | |
1862 | ct_iocb->dseg_req_length = ct_iocb->req_bytecount; | |
1863 | ||
1864 | ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address | |
1865 | (bsg_job->reply_payload.sg_list))); | |
1866 | ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address | |
1867 | (bsg_job->reply_payload.sg_list))); | |
1868 | ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount; | |
1869 | ||
1870 | avail_dsds = 1; | |
1871 | cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address; | |
1872 | index = 0; | |
1873 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
1874 | ||
1875 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
1876 | dma_addr_t sle_dma; | |
1877 | cont_a64_entry_t *cont_pkt; | |
1878 | ||
1879 | /* Allocate additional continuation packets? */ | |
1880 | if (avail_dsds == 0) { | |
1881 | /* | |
1882 | * Five DSDs are available in the Cont. | |
1883 | * Type 1 IOCB. | |
1884 | */ | |
1885 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha); | |
1886 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
1887 | avail_dsds = 5; | |
1888 | cont_iocb_prsnt = 1; | |
1889 | entry_count++; | |
1890 | } | |
1891 | ||
1892 | sle_dma = sg_dma_address(sg); | |
1893 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
1894 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1895 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1896 | loop_iterartion++; | |
1897 | avail_dsds--; | |
1898 | } | |
1899 | ct_iocb->entry_count = entry_count; | |
1900 | } | |
1901 | ||
9a069e19 GM |
1902 | static void |
1903 | qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) | |
1904 | { | |
1905 | uint16_t avail_dsds; | |
1906 | uint32_t *cur_dsd; | |
1907 | struct scatterlist *sg; | |
1908 | int index; | |
1909 | uint16_t tot_dsds; | |
1910 | scsi_qla_host_t *vha = sp->fcport->vha; | |
4916392b | 1911 | struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; |
9a069e19 GM |
1912 | int loop_iterartion = 0; |
1913 | int cont_iocb_prsnt = 0; | |
1914 | int entry_count = 1; | |
1915 | ||
1916 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
1917 | ct_iocb->entry_status = 0; | |
1918 | ct_iocb->sys_define = 0; | |
1919 | ct_iocb->handle = sp->handle; | |
1920 | ||
1921 | ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1922 | ct_iocb->vp_index = sp->fcport->vp_idx; | |
1923 | ct_iocb->comp_status = __constant_cpu_to_le16(0); | |
1924 | ||
1925 | ct_iocb->cmd_dsd_count = | |
1926 | __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt); | |
1927 | ct_iocb->timeout = 0; | |
1928 | ct_iocb->rsp_dsd_count = | |
1929 | __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt); | |
1930 | ct_iocb->rsp_byte_count = | |
1931 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
1932 | ct_iocb->cmd_byte_count = | |
1933 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
1934 | ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address | |
1935 | (bsg_job->request_payload.sg_list))); | |
1936 | ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address | |
1937 | (bsg_job->request_payload.sg_list))); | |
1938 | ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len | |
1939 | (bsg_job->request_payload.sg_list)); | |
1940 | ||
1941 | avail_dsds = 1; | |
1942 | cur_dsd = (uint32_t *)ct_iocb->dseg_1_address; | |
1943 | index = 0; | |
1944 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
1945 | ||
1946 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
1947 | dma_addr_t sle_dma; | |
1948 | cont_a64_entry_t *cont_pkt; | |
1949 | ||
1950 | /* Allocate additional continuation packets? */ | |
1951 | if (avail_dsds == 0) { | |
1952 | /* | |
1953 | * Five DSDs are available in the Cont. | |
1954 | * Type 1 IOCB. | |
1955 | */ | |
1956 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha); | |
1957 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
1958 | avail_dsds = 5; | |
1959 | cont_iocb_prsnt = 1; | |
1960 | entry_count++; | |
1961 | } | |
1962 | ||
1963 | sle_dma = sg_dma_address(sg); | |
1964 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
1965 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1966 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1967 | loop_iterartion++; | |
1968 | avail_dsds--; | |
1969 | } | |
1970 | ct_iocb->entry_count = entry_count; | |
1971 | } | |
1972 | ||
ac280b67 AV |
1973 | int |
1974 | qla2x00_start_sp(srb_t *sp) | |
1975 | { | |
1976 | int rval; | |
1977 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
1978 | void *pkt; | |
1979 | struct srb_ctx *ctx = sp->ctx; | |
1980 | unsigned long flags; | |
1981 | ||
1982 | rval = QLA_FUNCTION_FAILED; | |
1983 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
d94d10e7 | 1984 | pkt = qla2x00_alloc_iocbs(sp->fcport->vha, sp); |
7c3df132 SK |
1985 | if (!pkt) { |
1986 | ql_log(ql_log_warn, sp->fcport->vha, 0x700c, | |
1987 | "qla2x00_alloc_iocbs failed.\n"); | |
ac280b67 | 1988 | goto done; |
7c3df132 | 1989 | } |
ac280b67 AV |
1990 | |
1991 | rval = QLA_SUCCESS; | |
1992 | switch (ctx->type) { | |
1993 | case SRB_LOGIN_CMD: | |
1994 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 1995 | qla24xx_login_iocb(sp, pkt) : |
ac280b67 AV |
1996 | qla2x00_login_iocb(sp, pkt); |
1997 | break; | |
1998 | case SRB_LOGOUT_CMD: | |
1999 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 2000 | qla24xx_logout_iocb(sp, pkt) : |
ac280b67 AV |
2001 | qla2x00_logout_iocb(sp, pkt); |
2002 | break; | |
9a069e19 GM |
2003 | case SRB_ELS_CMD_RPT: |
2004 | case SRB_ELS_CMD_HST: | |
2005 | qla24xx_els_iocb(sp, pkt); | |
2006 | break; | |
2007 | case SRB_CT_CMD: | |
9bc4f4fb HZ |
2008 | IS_FWI2_CAPABLE(ha) ? |
2009 | qla24xx_ct_iocb(sp, pkt) : | |
2010 | qla2x00_ct_iocb(sp, pkt); | |
9a069e19 | 2011 | break; |
5ff1d584 AV |
2012 | case SRB_ADISC_CMD: |
2013 | IS_FWI2_CAPABLE(ha) ? | |
2014 | qla24xx_adisc_iocb(sp, pkt) : | |
2015 | qla2x00_adisc_iocb(sp, pkt); | |
2016 | break; | |
3822263e MI |
2017 | case SRB_TM_CMD: |
2018 | qla24xx_tm_iocb(sp, pkt); | |
2019 | break; | |
ac280b67 AV |
2020 | default: |
2021 | break; | |
2022 | } | |
2023 | ||
2024 | wmb(); | |
2025 | qla2x00_start_iocbs(sp); | |
2026 | done: | |
2027 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2028 | return rval; | |
2029 | } |