Commit | Line | Data |
---|---|---|
fa90c54f AV |
1 | /* |
2 | * QLogic Fibre Channel HBA Driver | |
bd21eaf9 | 3 | * Copyright (c) 2003-2014 QLogic Corporation |
1da177e4 | 4 | * |
fa90c54f AV |
5 | * See LICENSE.qla2xxx for copyright and licensing details. |
6 | */ | |
1da177e4 | 7 | #include "qla_def.h" |
2d70c103 | 8 | #include "qla_target.h" |
1da177e4 LT |
9 | |
10 | #include <linux/blkdev.h> | |
11 | #include <linux/delay.h> | |
12 | ||
13 | #include <scsi/scsi_tcq.h> | |
14 | ||
1da177e4 LT |
15 | /** |
16 | * qla2x00_get_cmd_direction() - Determine control_flag data direction. | |
17 | * @cmd: SCSI command | |
18 | * | |
19 | * Returns the proper CF_* direction based on CDB. | |
20 | */ | |
21 | static inline uint16_t | |
49fd462a | 22 | qla2x00_get_cmd_direction(srb_t *sp) |
1da177e4 LT |
23 | { |
24 | uint16_t cflags; | |
9ba56b95 | 25 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
25ff6af1 | 26 | struct scsi_qla_host *vha = sp->vha; |
1da177e4 LT |
27 | |
28 | cflags = 0; | |
29 | ||
30 | /* Set transfer direction */ | |
9ba56b95 | 31 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { |
1da177e4 | 32 | cflags = CF_WRITE; |
2be21fa2 | 33 | vha->qla_stats.output_bytes += scsi_bufflen(cmd); |
fabbb8df | 34 | vha->qla_stats.output_requests++; |
9ba56b95 | 35 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
1da177e4 | 36 | cflags = CF_READ; |
2be21fa2 | 37 | vha->qla_stats.input_bytes += scsi_bufflen(cmd); |
fabbb8df | 38 | vha->qla_stats.input_requests++; |
49fd462a | 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. */ | |
ad950360 | 110 | *((uint32_t *)(&cont_pkt->entry_type)) = cpu_to_le32(CONTINUE_TYPE); |
1da177e4 LT |
111 | |
112 | return (cont_pkt); | |
113 | } | |
114 | ||
115 | /** | |
116 | * qla2x00_prep_cont_type1_iocb() - Initialize a Continuation Type 1 IOCB. | |
117 | * @ha: HA context | |
118 | * | |
119 | * Returns a pointer to the continuation type 1 IOCB packet. | |
120 | */ | |
121 | static inline cont_a64_entry_t * | |
0d2aa38e | 122 | qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req) |
1da177e4 LT |
123 | { |
124 | cont_a64_entry_t *cont_pkt; | |
125 | ||
126 | /* Adjust ring index. */ | |
e315cd28 AC |
127 | req->ring_index++; |
128 | if (req->ring_index == req->length) { | |
129 | req->ring_index = 0; | |
130 | req->ring_ptr = req->ring; | |
1da177e4 | 131 | } else { |
e315cd28 | 132 | req->ring_ptr++; |
1da177e4 LT |
133 | } |
134 | ||
e315cd28 | 135 | cont_pkt = (cont_a64_entry_t *)req->ring_ptr; |
1da177e4 LT |
136 | |
137 | /* Load packet defaults. */ | |
8ae6d9c7 | 138 | *((uint32_t *)(&cont_pkt->entry_type)) = IS_QLAFX00(vha->hw) ? |
ad950360 BVA |
139 | cpu_to_le32(CONTINUE_A64_TYPE_FX00) : |
140 | cpu_to_le32(CONTINUE_A64_TYPE); | |
1da177e4 LT |
141 | |
142 | return (cont_pkt); | |
143 | } | |
144 | ||
d7459527 | 145 | inline int |
bad75002 AE |
146 | qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) |
147 | { | |
9ba56b95 GM |
148 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
149 | uint8_t guard = scsi_host_get_guard(cmd->device->host); | |
bad75002 | 150 | |
bad75002 AE |
151 | /* We always use DIFF Bundling for best performance */ |
152 | *fw_prot_opts = 0; | |
153 | ||
154 | /* Translate SCSI opcode to a protection opcode */ | |
9ba56b95 | 155 | switch (scsi_get_prot_op(cmd)) { |
bad75002 AE |
156 | case SCSI_PROT_READ_STRIP: |
157 | *fw_prot_opts |= PO_MODE_DIF_REMOVE; | |
158 | break; | |
159 | case SCSI_PROT_WRITE_INSERT: | |
160 | *fw_prot_opts |= PO_MODE_DIF_INSERT; | |
161 | break; | |
162 | case SCSI_PROT_READ_INSERT: | |
163 | *fw_prot_opts |= PO_MODE_DIF_INSERT; | |
164 | break; | |
165 | case SCSI_PROT_WRITE_STRIP: | |
166 | *fw_prot_opts |= PO_MODE_DIF_REMOVE; | |
167 | break; | |
168 | case SCSI_PROT_READ_PASS: | |
bad75002 | 169 | case SCSI_PROT_WRITE_PASS: |
9e522cd8 AE |
170 | if (guard & SHOST_DIX_GUARD_IP) |
171 | *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM; | |
172 | else | |
173 | *fw_prot_opts |= PO_MODE_DIF_PASS; | |
bad75002 AE |
174 | break; |
175 | default: /* Normal Request */ | |
176 | *fw_prot_opts |= PO_MODE_DIF_PASS; | |
177 | break; | |
178 | } | |
179 | ||
9ba56b95 | 180 | return scsi_prot_sg_count(cmd); |
bad75002 AE |
181 | } |
182 | ||
183 | /* | |
1da177e4 LT |
184 | * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit |
185 | * capable IOCB types. | |
186 | * | |
187 | * @sp: SRB command to process | |
188 | * @cmd_pkt: Command type 2 IOCB | |
189 | * @tot_dsds: Total number of segments to transfer | |
190 | */ | |
191 | void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, | |
192 | uint16_t tot_dsds) | |
193 | { | |
194 | uint16_t avail_dsds; | |
195 | uint32_t *cur_dsd; | |
e315cd28 | 196 | scsi_qla_host_t *vha; |
1da177e4 | 197 | struct scsi_cmnd *cmd; |
385d70b4 FT |
198 | struct scatterlist *sg; |
199 | int i; | |
1da177e4 | 200 | |
9ba56b95 | 201 | cmd = GET_CMD_SP(sp); |
1da177e4 LT |
202 | |
203 | /* Update entry type to indicate Command Type 2 IOCB */ | |
204 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
ad950360 | 205 | cpu_to_le32(COMMAND_TYPE); |
1da177e4 LT |
206 | |
207 | /* No data transfer */ | |
385d70b4 | 208 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 209 | cmd_pkt->byte_count = cpu_to_le32(0); |
1da177e4 LT |
210 | return; |
211 | } | |
212 | ||
25ff6af1 | 213 | vha = sp->vha; |
49fd462a | 214 | cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); |
1da177e4 LT |
215 | |
216 | /* Three DSDs are available in the Command Type 2 IOCB */ | |
217 | avail_dsds = 3; | |
218 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
219 | ||
220 | /* Load data segments */ | |
385d70b4 FT |
221 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { |
222 | cont_entry_t *cont_pkt; | |
223 | ||
224 | /* Allocate additional continuation packets? */ | |
225 | if (avail_dsds == 0) { | |
226 | /* | |
227 | * Seven DSDs are available in the Continuation | |
228 | * Type 0 IOCB. | |
229 | */ | |
67c2e93a | 230 | cont_pkt = qla2x00_prep_cont_type0_iocb(vha); |
385d70b4 FT |
231 | cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address; |
232 | avail_dsds = 7; | |
1da177e4 | 233 | } |
385d70b4 FT |
234 | |
235 | *cur_dsd++ = cpu_to_le32(sg_dma_address(sg)); | |
236 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
237 | avail_dsds--; | |
1da177e4 LT |
238 | } |
239 | } | |
240 | ||
241 | /** | |
242 | * qla2x00_build_scsi_iocbs_64() - Build IOCB command utilizing 64bit | |
243 | * capable IOCB types. | |
244 | * | |
245 | * @sp: SRB command to process | |
246 | * @cmd_pkt: Command type 3 IOCB | |
247 | * @tot_dsds: Total number of segments to transfer | |
248 | */ | |
249 | void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt, | |
250 | uint16_t tot_dsds) | |
251 | { | |
252 | uint16_t avail_dsds; | |
253 | uint32_t *cur_dsd; | |
e315cd28 | 254 | scsi_qla_host_t *vha; |
1da177e4 | 255 | struct scsi_cmnd *cmd; |
385d70b4 FT |
256 | struct scatterlist *sg; |
257 | int i; | |
1da177e4 | 258 | |
9ba56b95 | 259 | cmd = GET_CMD_SP(sp); |
1da177e4 LT |
260 | |
261 | /* Update entry type to indicate Command Type 3 IOCB */ | |
ad950360 | 262 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_A64_TYPE); |
1da177e4 LT |
263 | |
264 | /* No data transfer */ | |
385d70b4 | 265 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 266 | cmd_pkt->byte_count = cpu_to_le32(0); |
1da177e4 LT |
267 | return; |
268 | } | |
269 | ||
25ff6af1 | 270 | vha = sp->vha; |
49fd462a | 271 | cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); |
1da177e4 LT |
272 | |
273 | /* Two DSDs are available in the Command Type 3 IOCB */ | |
274 | avail_dsds = 2; | |
275 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
276 | ||
277 | /* Load data segments */ | |
385d70b4 FT |
278 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { |
279 | dma_addr_t sle_dma; | |
280 | cont_a64_entry_t *cont_pkt; | |
281 | ||
282 | /* Allocate additional continuation packets? */ | |
283 | if (avail_dsds == 0) { | |
284 | /* | |
285 | * Five DSDs are available in the Continuation | |
286 | * Type 1 IOCB. | |
287 | */ | |
0d2aa38e | 288 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); |
385d70b4 FT |
289 | cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; |
290 | avail_dsds = 5; | |
1da177e4 | 291 | } |
385d70b4 FT |
292 | |
293 | sle_dma = sg_dma_address(sg); | |
294 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
295 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
296 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
297 | avail_dsds--; | |
1da177e4 LT |
298 | } |
299 | } | |
300 | ||
301 | /** | |
302 | * qla2x00_start_scsi() - Send a SCSI command to the ISP | |
303 | * @sp: command to send to the ISP | |
304 | * | |
cc3ef7bc | 305 | * Returns non-zero if a failure occurred, else zero. |
1da177e4 LT |
306 | */ |
307 | int | |
308 | qla2x00_start_scsi(srb_t *sp) | |
309 | { | |
52c82823 | 310 | int nseg; |
1da177e4 | 311 | unsigned long flags; |
e315cd28 | 312 | scsi_qla_host_t *vha; |
1da177e4 LT |
313 | struct scsi_cmnd *cmd; |
314 | uint32_t *clr_ptr; | |
315 | uint32_t index; | |
316 | uint32_t handle; | |
317 | cmd_entry_t *cmd_pkt; | |
1da177e4 LT |
318 | uint16_t cnt; |
319 | uint16_t req_cnt; | |
320 | uint16_t tot_dsds; | |
3d71644c | 321 | struct device_reg_2xxx __iomem *reg; |
e315cd28 AC |
322 | struct qla_hw_data *ha; |
323 | struct req_que *req; | |
73208dfd | 324 | struct rsp_que *rsp; |
1da177e4 LT |
325 | |
326 | /* Setup device pointers. */ | |
25ff6af1 | 327 | vha = sp->vha; |
e315cd28 | 328 | ha = vha->hw; |
3d71644c | 329 | reg = &ha->iobase->isp; |
9ba56b95 | 330 | cmd = GET_CMD_SP(sp); |
73208dfd AC |
331 | req = ha->req_q_map[0]; |
332 | rsp = ha->rsp_q_map[0]; | |
83021920 | 333 | /* So we know we haven't pci_map'ed anything yet */ |
334 | tot_dsds = 0; | |
1da177e4 LT |
335 | |
336 | /* Send marker if required */ | |
e315cd28 | 337 | if (vha->marker_needed != 0) { |
7c3df132 SK |
338 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != |
339 | QLA_SUCCESS) { | |
1da177e4 | 340 | return (QLA_FUNCTION_FAILED); |
7c3df132 | 341 | } |
e315cd28 | 342 | vha->marker_needed = 0; |
1da177e4 LT |
343 | } |
344 | ||
345 | /* Acquire ring specific lock */ | |
c9c5ced9 | 346 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1da177e4 LT |
347 | |
348 | /* Check for room in outstanding command list. */ | |
e315cd28 | 349 | handle = req->current_outstanding_cmd; |
8d93f550 | 350 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
1da177e4 | 351 | handle++; |
8d93f550 | 352 | if (handle == req->num_outstanding_cmds) |
1da177e4 | 353 | handle = 1; |
e315cd28 | 354 | if (!req->outstanding_cmds[handle]) |
1da177e4 LT |
355 | break; |
356 | } | |
8d93f550 | 357 | if (index == req->num_outstanding_cmds) |
1da177e4 LT |
358 | goto queuing_error; |
359 | ||
83021920 | 360 | /* Map the sg table so we have an accurate count of sg entries needed */ |
2c3dfe3f SJ |
361 | if (scsi_sg_count(cmd)) { |
362 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
363 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
364 | if (unlikely(!nseg)) | |
365 | goto queuing_error; | |
366 | } else | |
367 | nseg = 0; | |
368 | ||
385d70b4 | 369 | tot_dsds = nseg; |
83021920 | 370 | |
1da177e4 | 371 | /* Calculate the number of request entries needed. */ |
fd34f556 | 372 | req_cnt = ha->isp_ops->calc_req_entries(tot_dsds); |
e315cd28 | 373 | if (req->cnt < (req_cnt + 2)) { |
1da177e4 | 374 | cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg)); |
e315cd28 AC |
375 | if (req->ring_index < cnt) |
376 | req->cnt = cnt - req->ring_index; | |
1da177e4 | 377 | else |
e315cd28 AC |
378 | req->cnt = req->length - |
379 | (req->ring_index - cnt); | |
a6eb3c9f CL |
380 | /* If still no head room then bail out */ |
381 | if (req->cnt < (req_cnt + 2)) | |
382 | goto queuing_error; | |
1da177e4 | 383 | } |
1da177e4 | 384 | |
1da177e4 | 385 | /* Build command packet */ |
e315cd28 AC |
386 | req->current_outstanding_cmd = handle; |
387 | req->outstanding_cmds[handle] = sp; | |
cf53b069 | 388 | sp->handle = handle; |
9ba56b95 | 389 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
e315cd28 | 390 | req->cnt -= req_cnt; |
1da177e4 | 391 | |
e315cd28 | 392 | cmd_pkt = (cmd_entry_t *)req->ring_ptr; |
1da177e4 LT |
393 | cmd_pkt->handle = handle; |
394 | /* Zero out remaining portion of packet. */ | |
395 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
396 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
397 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
398 | ||
bdf79621 | 399 | /* Set target ID and LUN number*/ |
400 | SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id); | |
9ba56b95 | 401 | cmd_pkt->lun = cpu_to_le16(cmd->device->lun); |
ad950360 | 402 | cmd_pkt->control_flags = cpu_to_le16(CF_SIMPLE_TAG); |
1da177e4 | 403 | |
1da177e4 LT |
404 | /* Load SCSI command packet. */ |
405 | memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len); | |
385d70b4 | 406 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); |
1da177e4 LT |
407 | |
408 | /* Build IOCB segments */ | |
fd34f556 | 409 | ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds); |
1da177e4 LT |
410 | |
411 | /* Set total data segment count. */ | |
412 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
413 | wmb(); | |
414 | ||
415 | /* Adjust ring index. */ | |
e315cd28 AC |
416 | req->ring_index++; |
417 | if (req->ring_index == req->length) { | |
418 | req->ring_index = 0; | |
419 | req->ring_ptr = req->ring; | |
1da177e4 | 420 | } else |
e315cd28 | 421 | req->ring_ptr++; |
1da177e4 | 422 | |
1da177e4 | 423 | sp->flags |= SRB_DMA_VALID; |
1da177e4 LT |
424 | |
425 | /* Set chip new ring index. */ | |
e315cd28 | 426 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), req->ring_index); |
1da177e4 LT |
427 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */ |
428 | ||
4fdfefe5 | 429 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
e315cd28 | 430 | if (vha->flags.process_response_queue && |
73208dfd AC |
431 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) |
432 | qla2x00_process_response_queue(rsp); | |
4fdfefe5 | 433 | |
c9c5ced9 | 434 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
435 | return (QLA_SUCCESS); |
436 | ||
437 | queuing_error: | |
385d70b4 FT |
438 | if (tot_dsds) |
439 | scsi_dma_unmap(cmd); | |
440 | ||
c9c5ced9 | 441 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
1da177e4 LT |
442 | |
443 | return (QLA_FUNCTION_FAILED); | |
444 | } | |
445 | ||
5162cf0c GM |
446 | /** |
447 | * qla2x00_start_iocbs() - Execute the IOCB command | |
448 | */ | |
2d70c103 | 449 | void |
5162cf0c GM |
450 | qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) |
451 | { | |
452 | struct qla_hw_data *ha = vha->hw; | |
118e2ef9 | 453 | device_reg_t *reg = ISP_QUE_REG(ha, req->id); |
5162cf0c | 454 | |
7ec0effd | 455 | if (IS_P3P_TYPE(ha)) { |
5162cf0c GM |
456 | qla82xx_start_iocbs(vha); |
457 | } else { | |
458 | /* Adjust ring index. */ | |
459 | req->ring_index++; | |
460 | if (req->ring_index == req->length) { | |
461 | req->ring_index = 0; | |
462 | req->ring_ptr = req->ring; | |
463 | } else | |
464 | req->ring_ptr++; | |
465 | ||
466 | /* Set chip new ring index. */ | |
f73cb695 | 467 | if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
6246b8a1 | 468 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
98878a16 | 469 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); |
8ae6d9c7 GM |
470 | } else if (IS_QLAFX00(ha)) { |
471 | WRT_REG_DWORD(®->ispfx00.req_q_in, req->ring_index); | |
472 | RD_REG_DWORD_RELAXED(®->ispfx00.req_q_in); | |
473 | QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code); | |
5162cf0c GM |
474 | } else if (IS_FWI2_CAPABLE(ha)) { |
475 | WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); | |
476 | RD_REG_DWORD_RELAXED(®->isp24.req_q_in); | |
477 | } else { | |
478 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp), | |
479 | req->ring_index); | |
480 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp)); | |
481 | } | |
482 | } | |
483 | } | |
484 | ||
1da177e4 LT |
485 | /** |
486 | * qla2x00_marker() - Send a marker IOCB to the firmware. | |
487 | * @ha: HA context | |
488 | * @loop_id: loop ID | |
489 | * @lun: LUN | |
490 | * @type: marker modifier | |
491 | * | |
492 | * Can be called from both normal and interrupt context. | |
493 | * | |
cc3ef7bc | 494 | * Returns non-zero if a failure occurred, else zero. |
1da177e4 | 495 | */ |
3dbe756a | 496 | static int |
73208dfd AC |
497 | __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
498 | struct rsp_que *rsp, uint16_t loop_id, | |
9cb78c16 | 499 | uint64_t lun, uint8_t type) |
1da177e4 | 500 | { |
2b6c0cee | 501 | mrk_entry_t *mrk; |
8ae6d9c7 | 502 | struct mrk_entry_24xx *mrk24 = NULL; |
8ae6d9c7 | 503 | |
e315cd28 AC |
504 | struct qla_hw_data *ha = vha->hw; |
505 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 | 506 | |
99b8212c | 507 | req = ha->req_q_map[0]; |
fa492630 | 508 | mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL); |
2b6c0cee | 509 | if (mrk == NULL) { |
7c3df132 SK |
510 | ql_log(ql_log_warn, base_vha, 0x3026, |
511 | "Failed to allocate Marker IOCB.\n"); | |
1da177e4 LT |
512 | |
513 | return (QLA_FUNCTION_FAILED); | |
514 | } | |
515 | ||
2b6c0cee AV |
516 | mrk->entry_type = MARKER_TYPE; |
517 | mrk->modifier = type; | |
1da177e4 | 518 | if (type != MK_SYNC_ALL) { |
bfd7334e | 519 | if (IS_FWI2_CAPABLE(ha)) { |
2b6c0cee AV |
520 | mrk24 = (struct mrk_entry_24xx *) mrk; |
521 | mrk24->nport_handle = cpu_to_le16(loop_id); | |
9cb78c16 | 522 | int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun); |
b797b6de | 523 | host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun)); |
e315cd28 | 524 | mrk24->vp_index = vha->vp_idx; |
2afa19a9 | 525 | mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle); |
2b6c0cee AV |
526 | } else { |
527 | SET_TARGET_ID(ha, mrk->target, loop_id); | |
9cb78c16 | 528 | mrk->lun = cpu_to_le16((uint16_t)lun); |
2b6c0cee | 529 | } |
1da177e4 LT |
530 | } |
531 | wmb(); | |
532 | ||
5162cf0c | 533 | qla2x00_start_iocbs(vha, req); |
1da177e4 LT |
534 | |
535 | return (QLA_SUCCESS); | |
536 | } | |
537 | ||
fa2a1ce5 | 538 | int |
73208dfd | 539 | qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
9cb78c16 | 540 | struct rsp_que *rsp, uint16_t loop_id, uint64_t lun, |
73208dfd | 541 | uint8_t type) |
1da177e4 LT |
542 | { |
543 | int ret; | |
544 | unsigned long flags = 0; | |
545 | ||
73208dfd AC |
546 | spin_lock_irqsave(&vha->hw->hardware_lock, flags); |
547 | ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type); | |
548 | spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); | |
1da177e4 LT |
549 | |
550 | return (ret); | |
551 | } | |
552 | ||
2d70c103 NB |
553 | /* |
554 | * qla2x00_issue_marker | |
555 | * | |
556 | * Issue marker | |
557 | * Caller CAN have hardware lock held as specified by ha_locked parameter. | |
558 | * Might release it, then reaquire. | |
559 | */ | |
560 | int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked) | |
561 | { | |
562 | if (ha_locked) { | |
563 | if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, | |
564 | MK_SYNC_ALL) != QLA_SUCCESS) | |
565 | return QLA_FUNCTION_FAILED; | |
566 | } else { | |
567 | if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, | |
568 | MK_SYNC_ALL) != QLA_SUCCESS) | |
569 | return QLA_FUNCTION_FAILED; | |
570 | } | |
571 | vha->marker_needed = 0; | |
572 | ||
573 | return QLA_SUCCESS; | |
574 | } | |
575 | ||
5162cf0c GM |
576 | static inline int |
577 | qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, | |
578 | uint16_t tot_dsds) | |
579 | { | |
580 | uint32_t *cur_dsd = NULL; | |
581 | scsi_qla_host_t *vha; | |
582 | struct qla_hw_data *ha; | |
583 | struct scsi_cmnd *cmd; | |
584 | struct scatterlist *cur_seg; | |
585 | uint32_t *dsd_seg; | |
586 | void *next_dsd; | |
587 | uint8_t avail_dsds; | |
588 | uint8_t first_iocb = 1; | |
589 | uint32_t dsd_list_len; | |
590 | struct dsd_dma *dsd_ptr; | |
591 | struct ct6_dsd *ctx; | |
1da177e4 | 592 | |
9ba56b95 | 593 | cmd = GET_CMD_SP(sp); |
a9083016 | 594 | |
5162cf0c | 595 | /* Update entry type to indicate Command Type 3 IOCB */ |
ad950360 | 596 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_6); |
5162cf0c GM |
597 | |
598 | /* No data transfer */ | |
599 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { | |
ad950360 | 600 | cmd_pkt->byte_count = cpu_to_le32(0); |
5162cf0c GM |
601 | return 0; |
602 | } | |
603 | ||
25ff6af1 | 604 | vha = sp->vha; |
5162cf0c GM |
605 | ha = vha->hw; |
606 | ||
607 | /* Set transfer direction */ | |
608 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
ad950360 | 609 | cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA); |
2be21fa2 | 610 | vha->qla_stats.output_bytes += scsi_bufflen(cmd); |
fabbb8df | 611 | vha->qla_stats.output_requests++; |
5162cf0c | 612 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
ad950360 | 613 | cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA); |
2be21fa2 | 614 | vha->qla_stats.input_bytes += scsi_bufflen(cmd); |
fabbb8df | 615 | vha->qla_stats.input_requests++; |
5162cf0c GM |
616 | } |
617 | ||
618 | cur_seg = scsi_sglist(cmd); | |
9ba56b95 | 619 | ctx = GET_CMD_CTX_SP(sp); |
5162cf0c GM |
620 | |
621 | while (tot_dsds) { | |
622 | avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? | |
623 | QLA_DSDS_PER_IOCB : tot_dsds; | |
624 | tot_dsds -= avail_dsds; | |
625 | dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; | |
626 | ||
627 | dsd_ptr = list_first_entry(&ha->gbl_dsd_list, | |
628 | struct dsd_dma, list); | |
629 | next_dsd = dsd_ptr->dsd_addr; | |
630 | list_del(&dsd_ptr->list); | |
631 | ha->gbl_dsd_avail--; | |
632 | list_add_tail(&dsd_ptr->list, &ctx->dsd_list); | |
633 | ctx->dsd_use_cnt++; | |
634 | ha->gbl_dsd_inuse++; | |
635 | ||
636 | if (first_iocb) { | |
637 | first_iocb = 0; | |
638 | dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; | |
639 | *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
640 | *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
641 | cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len); | |
73208dfd | 642 | } else { |
5162cf0c GM |
643 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); |
644 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
645 | *cur_dsd++ = cpu_to_le32(dsd_list_len); | |
646 | } | |
647 | cur_dsd = (uint32_t *)next_dsd; | |
648 | while (avail_dsds) { | |
649 | dma_addr_t sle_dma; | |
650 | ||
651 | sle_dma = sg_dma_address(cur_seg); | |
652 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
653 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
654 | *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); | |
655 | cur_seg = sg_next(cur_seg); | |
656 | avail_dsds--; | |
73208dfd | 657 | } |
2b6c0cee AV |
658 | } |
659 | ||
5162cf0c GM |
660 | /* Null termination */ |
661 | *cur_dsd++ = 0; | |
662 | *cur_dsd++ = 0; | |
663 | *cur_dsd++ = 0; | |
664 | cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; | |
665 | return 0; | |
2b6c0cee AV |
666 | } |
667 | ||
5162cf0c GM |
668 | /* |
669 | * qla24xx_calc_dsd_lists() - Determine number of DSD list required | |
670 | * for Command Type 6. | |
2b6c0cee AV |
671 | * |
672 | * @dsds: number of data segment decriptors needed | |
673 | * | |
5162cf0c | 674 | * Returns the number of dsd list needed to store @dsds. |
2b6c0cee | 675 | */ |
2374dd23 | 676 | static inline uint16_t |
5162cf0c | 677 | qla24xx_calc_dsd_lists(uint16_t dsds) |
2b6c0cee | 678 | { |
5162cf0c | 679 | uint16_t dsd_lists = 0; |
2b6c0cee | 680 | |
5162cf0c GM |
681 | dsd_lists = (dsds/QLA_DSDS_PER_IOCB); |
682 | if (dsds % QLA_DSDS_PER_IOCB) | |
683 | dsd_lists++; | |
684 | return dsd_lists; | |
2b6c0cee AV |
685 | } |
686 | ||
5162cf0c | 687 | |
2b6c0cee AV |
688 | /** |
689 | * qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7 | |
690 | * IOCB types. | |
691 | * | |
692 | * @sp: SRB command to process | |
693 | * @cmd_pkt: Command type 3 IOCB | |
694 | * @tot_dsds: Total number of segments to transfer | |
d7459527 | 695 | * @req: pointer to request queue |
2b6c0cee | 696 | */ |
d7459527 | 697 | inline void |
2b6c0cee | 698 | qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, |
d7459527 | 699 | uint16_t tot_dsds, struct req_que *req) |
2b6c0cee AV |
700 | { |
701 | uint16_t avail_dsds; | |
702 | uint32_t *cur_dsd; | |
e315cd28 | 703 | scsi_qla_host_t *vha; |
2b6c0cee | 704 | struct scsi_cmnd *cmd; |
385d70b4 FT |
705 | struct scatterlist *sg; |
706 | int i; | |
2b6c0cee | 707 | |
9ba56b95 | 708 | cmd = GET_CMD_SP(sp); |
2b6c0cee AV |
709 | |
710 | /* Update entry type to indicate Command Type 3 IOCB */ | |
ad950360 | 711 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_7); |
2b6c0cee AV |
712 | |
713 | /* No data transfer */ | |
385d70b4 | 714 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 715 | cmd_pkt->byte_count = cpu_to_le32(0); |
2b6c0cee AV |
716 | return; |
717 | } | |
718 | ||
25ff6af1 | 719 | vha = sp->vha; |
2b6c0cee AV |
720 | |
721 | /* Set transfer direction */ | |
49fd462a | 722 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { |
ad950360 | 723 | cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_WRITE_DATA); |
2be21fa2 | 724 | vha->qla_stats.output_bytes += scsi_bufflen(cmd); |
fabbb8df | 725 | vha->qla_stats.output_requests++; |
49fd462a | 726 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
ad950360 | 727 | cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_READ_DATA); |
2be21fa2 | 728 | vha->qla_stats.input_bytes += scsi_bufflen(cmd); |
fabbb8df | 729 | vha->qla_stats.input_requests++; |
49fd462a | 730 | } |
2b6c0cee AV |
731 | |
732 | /* One DSD is available in the Command Type 3 IOCB */ | |
733 | avail_dsds = 1; | |
734 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
735 | ||
736 | /* Load data segments */ | |
385d70b4 FT |
737 | |
738 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { | |
739 | dma_addr_t sle_dma; | |
740 | cont_a64_entry_t *cont_pkt; | |
741 | ||
742 | /* Allocate additional continuation packets? */ | |
743 | if (avail_dsds == 0) { | |
744 | /* | |
745 | * Five DSDs are available in the Continuation | |
746 | * Type 1 IOCB. | |
747 | */ | |
d7459527 | 748 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req); |
385d70b4 FT |
749 | cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; |
750 | avail_dsds = 5; | |
2b6c0cee | 751 | } |
385d70b4 FT |
752 | |
753 | sle_dma = sg_dma_address(sg); | |
754 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
755 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
756 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
757 | avail_dsds--; | |
2b6c0cee AV |
758 | } |
759 | } | |
760 | ||
bad75002 AE |
761 | struct fw_dif_context { |
762 | uint32_t ref_tag; | |
763 | uint16_t app_tag; | |
764 | uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/ | |
765 | uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/ | |
766 | }; | |
767 | ||
768 | /* | |
769 | * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command | |
770 | * | |
771 | */ | |
772 | static inline void | |
e02587d7 | 773 | qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, |
bad75002 AE |
774 | unsigned int protcnt) |
775 | { | |
9ba56b95 | 776 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
bad75002 AE |
777 | |
778 | switch (scsi_get_prot_type(cmd)) { | |
bad75002 | 779 | case SCSI_PROT_DIF_TYPE0: |
8cb2049c AE |
780 | /* |
781 | * No check for ql2xenablehba_err_chk, as it would be an | |
782 | * I/O error if hba tag generation is not done. | |
783 | */ | |
784 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
785 | (0xffffffff & scsi_get_lba(cmd))); | |
e02587d7 AE |
786 | |
787 | if (!qla2x00_hba_err_chk_enabled(sp)) | |
788 | break; | |
789 | ||
8cb2049c AE |
790 | pkt->ref_tag_mask[0] = 0xff; |
791 | pkt->ref_tag_mask[1] = 0xff; | |
792 | pkt->ref_tag_mask[2] = 0xff; | |
793 | pkt->ref_tag_mask[3] = 0xff; | |
bad75002 AE |
794 | break; |
795 | ||
796 | /* | |
797 | * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to | |
798 | * match LBA in CDB + N | |
799 | */ | |
800 | case SCSI_PROT_DIF_TYPE2: | |
ad950360 | 801 | pkt->app_tag = cpu_to_le16(0); |
e02587d7 AE |
802 | pkt->app_tag_mask[0] = 0x0; |
803 | pkt->app_tag_mask[1] = 0x0; | |
0c470874 AE |
804 | |
805 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
806 | (0xffffffff & scsi_get_lba(cmd))); | |
807 | ||
e02587d7 AE |
808 | if (!qla2x00_hba_err_chk_enabled(sp)) |
809 | break; | |
810 | ||
0c470874 AE |
811 | /* enable ALL bytes of the ref tag */ |
812 | pkt->ref_tag_mask[0] = 0xff; | |
813 | pkt->ref_tag_mask[1] = 0xff; | |
814 | pkt->ref_tag_mask[2] = 0xff; | |
815 | pkt->ref_tag_mask[3] = 0xff; | |
bad75002 AE |
816 | break; |
817 | ||
818 | /* For Type 3 protection: 16 bit GUARD only */ | |
819 | case SCSI_PROT_DIF_TYPE3: | |
820 | pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] = | |
821 | pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] = | |
822 | 0x00; | |
823 | break; | |
824 | ||
825 | /* | |
826 | * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and | |
827 | * 16 bit app tag. | |
828 | */ | |
829 | case SCSI_PROT_DIF_TYPE1: | |
e02587d7 AE |
830 | pkt->ref_tag = cpu_to_le32((uint32_t) |
831 | (0xffffffff & scsi_get_lba(cmd))); | |
ad950360 | 832 | pkt->app_tag = cpu_to_le16(0); |
e02587d7 AE |
833 | pkt->app_tag_mask[0] = 0x0; |
834 | pkt->app_tag_mask[1] = 0x0; | |
835 | ||
836 | if (!qla2x00_hba_err_chk_enabled(sp)) | |
bad75002 AE |
837 | break; |
838 | ||
bad75002 AE |
839 | /* enable ALL bytes of the ref tag */ |
840 | pkt->ref_tag_mask[0] = 0xff; | |
841 | pkt->ref_tag_mask[1] = 0xff; | |
842 | pkt->ref_tag_mask[2] = 0xff; | |
843 | pkt->ref_tag_mask[3] = 0xff; | |
844 | break; | |
845 | } | |
bad75002 AE |
846 | } |
847 | ||
d7459527 | 848 | int |
8cb2049c AE |
849 | qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, |
850 | uint32_t *partial) | |
851 | { | |
852 | struct scatterlist *sg; | |
853 | uint32_t cumulative_partial, sg_len; | |
854 | dma_addr_t sg_dma_addr; | |
855 | ||
856 | if (sgx->num_bytes == sgx->tot_bytes) | |
857 | return 0; | |
858 | ||
859 | sg = sgx->cur_sg; | |
860 | cumulative_partial = sgx->tot_partial; | |
861 | ||
862 | sg_dma_addr = sg_dma_address(sg); | |
863 | sg_len = sg_dma_len(sg); | |
864 | ||
865 | sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed; | |
866 | ||
867 | if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) { | |
868 | sgx->dma_len = (blk_sz - cumulative_partial); | |
869 | sgx->tot_partial = 0; | |
870 | sgx->num_bytes += blk_sz; | |
871 | *partial = 0; | |
872 | } else { | |
873 | sgx->dma_len = sg_len - sgx->bytes_consumed; | |
874 | sgx->tot_partial += sgx->dma_len; | |
875 | *partial = 1; | |
876 | } | |
877 | ||
878 | sgx->bytes_consumed += sgx->dma_len; | |
879 | ||
880 | if (sg_len == sgx->bytes_consumed) { | |
881 | sg = sg_next(sg); | |
882 | sgx->num_sg++; | |
883 | sgx->cur_sg = sg; | |
884 | sgx->bytes_consumed = 0; | |
885 | } | |
886 | ||
887 | return 1; | |
888 | } | |
889 | ||
f83adb61 | 890 | int |
8cb2049c | 891 | qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, |
f83adb61 | 892 | uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) |
8cb2049c AE |
893 | { |
894 | void *next_dsd; | |
895 | uint8_t avail_dsds = 0; | |
896 | uint32_t dsd_list_len; | |
897 | struct dsd_dma *dsd_ptr; | |
898 | struct scatterlist *sg_prot; | |
899 | uint32_t *cur_dsd = dsd; | |
900 | uint16_t used_dsds = tot_dsds; | |
901 | ||
f83adb61 | 902 | uint32_t prot_int; /* protection interval */ |
8cb2049c AE |
903 | uint32_t partial; |
904 | struct qla2_sgx sgx; | |
905 | dma_addr_t sle_dma; | |
906 | uint32_t sle_dma_len, tot_prot_dma_len = 0; | |
f83adb61 | 907 | struct scsi_cmnd *cmd; |
8cb2049c AE |
908 | |
909 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
f83adb61 | 910 | if (sp) { |
f83adb61 QT |
911 | cmd = GET_CMD_SP(sp); |
912 | prot_int = cmd->device->sector_size; | |
913 | ||
914 | sgx.tot_bytes = scsi_bufflen(cmd); | |
915 | sgx.cur_sg = scsi_sglist(cmd); | |
916 | sgx.sp = sp; | |
917 | ||
918 | sg_prot = scsi_prot_sglist(cmd); | |
919 | } else if (tc) { | |
f83adb61 QT |
920 | prot_int = tc->blk_sz; |
921 | sgx.tot_bytes = tc->bufflen; | |
922 | sgx.cur_sg = tc->sg; | |
923 | sg_prot = tc->prot_sg; | |
924 | } else { | |
925 | BUG(); | |
926 | return 1; | |
927 | } | |
8cb2049c AE |
928 | |
929 | while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { | |
930 | ||
931 | sle_dma = sgx.dma_addr; | |
932 | sle_dma_len = sgx.dma_len; | |
933 | alloc_and_fill: | |
934 | /* Allocate additional continuation packets? */ | |
935 | if (avail_dsds == 0) { | |
936 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
937 | QLA_DSDS_PER_IOCB : used_dsds; | |
938 | dsd_list_len = (avail_dsds + 1) * 12; | |
939 | used_dsds -= avail_dsds; | |
940 | ||
941 | /* allocate tracking DS */ | |
942 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
943 | if (!dsd_ptr) | |
944 | return 1; | |
945 | ||
946 | /* allocate new list */ | |
947 | dsd_ptr->dsd_addr = next_dsd = | |
948 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
949 | &dsd_ptr->dsd_list_dma); | |
950 | ||
951 | if (!next_dsd) { | |
952 | /* | |
953 | * Need to cleanup only this dsd_ptr, rest | |
954 | * will be done by sp_free_dma() | |
955 | */ | |
956 | kfree(dsd_ptr); | |
957 | return 1; | |
958 | } | |
959 | ||
f83adb61 QT |
960 | if (sp) { |
961 | list_add_tail(&dsd_ptr->list, | |
962 | &((struct crc_context *) | |
963 | sp->u.scmd.ctx)->dsd_list); | |
964 | ||
965 | sp->flags |= SRB_CRC_CTX_DSD_VALID; | |
966 | } else { | |
967 | list_add_tail(&dsd_ptr->list, | |
968 | &(tc->ctx->dsd_list)); | |
969 | tc->ctx_dsd_alloced = 1; | |
970 | } | |
8cb2049c | 971 | |
8cb2049c AE |
972 | |
973 | /* add new list to cmd iocb or last list */ | |
974 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
975 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
976 | *cur_dsd++ = dsd_list_len; | |
977 | cur_dsd = (uint32_t *)next_dsd; | |
978 | } | |
979 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
980 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
981 | *cur_dsd++ = cpu_to_le32(sle_dma_len); | |
982 | avail_dsds--; | |
983 | ||
984 | if (partial == 0) { | |
985 | /* Got a full protection interval */ | |
986 | sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len; | |
987 | sle_dma_len = 8; | |
bad75002 | 988 | |
8cb2049c AE |
989 | tot_prot_dma_len += sle_dma_len; |
990 | if (tot_prot_dma_len == sg_dma_len(sg_prot)) { | |
991 | tot_prot_dma_len = 0; | |
992 | sg_prot = sg_next(sg_prot); | |
993 | } | |
994 | ||
995 | partial = 1; /* So as to not re-enter this block */ | |
996 | goto alloc_and_fill; | |
997 | } | |
998 | } | |
999 | /* Null termination */ | |
1000 | *cur_dsd++ = 0; | |
1001 | *cur_dsd++ = 0; | |
1002 | *cur_dsd++ = 0; | |
1003 | return 0; | |
1004 | } | |
5162cf0c | 1005 | |
f83adb61 | 1006 | int |
bad75002 | 1007 | qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, |
f83adb61 | 1008 | uint16_t tot_dsds, struct qla_tgt_cmd *tc) |
bad75002 AE |
1009 | { |
1010 | void *next_dsd; | |
1011 | uint8_t avail_dsds = 0; | |
1012 | uint32_t dsd_list_len; | |
1013 | struct dsd_dma *dsd_ptr; | |
f83adb61 | 1014 | struct scatterlist *sg, *sgl; |
bad75002 AE |
1015 | uint32_t *cur_dsd = dsd; |
1016 | int i; | |
1017 | uint16_t used_dsds = tot_dsds; | |
f83adb61 | 1018 | struct scsi_cmnd *cmd; |
f83adb61 QT |
1019 | |
1020 | if (sp) { | |
1021 | cmd = GET_CMD_SP(sp); | |
1022 | sgl = scsi_sglist(cmd); | |
f83adb61 QT |
1023 | } else if (tc) { |
1024 | sgl = tc->sg; | |
f83adb61 QT |
1025 | } else { |
1026 | BUG(); | |
1027 | return 1; | |
1028 | } | |
bad75002 | 1029 | |
f83adb61 QT |
1030 | |
1031 | for_each_sg(sgl, sg, tot_dsds, i) { | |
bad75002 AE |
1032 | dma_addr_t sle_dma; |
1033 | ||
1034 | /* Allocate additional continuation packets? */ | |
1035 | if (avail_dsds == 0) { | |
1036 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
1037 | QLA_DSDS_PER_IOCB : used_dsds; | |
1038 | dsd_list_len = (avail_dsds + 1) * 12; | |
1039 | used_dsds -= avail_dsds; | |
1040 | ||
1041 | /* allocate tracking DS */ | |
1042 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
1043 | if (!dsd_ptr) | |
1044 | return 1; | |
1045 | ||
1046 | /* allocate new list */ | |
1047 | dsd_ptr->dsd_addr = next_dsd = | |
1048 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
1049 | &dsd_ptr->dsd_list_dma); | |
1050 | ||
1051 | if (!next_dsd) { | |
1052 | /* | |
1053 | * Need to cleanup only this dsd_ptr, rest | |
1054 | * will be done by sp_free_dma() | |
1055 | */ | |
1056 | kfree(dsd_ptr); | |
1057 | return 1; | |
1058 | } | |
1059 | ||
f83adb61 QT |
1060 | if (sp) { |
1061 | list_add_tail(&dsd_ptr->list, | |
1062 | &((struct crc_context *) | |
1063 | sp->u.scmd.ctx)->dsd_list); | |
bad75002 | 1064 | |
f83adb61 QT |
1065 | sp->flags |= SRB_CRC_CTX_DSD_VALID; |
1066 | } else { | |
1067 | list_add_tail(&dsd_ptr->list, | |
1068 | &(tc->ctx->dsd_list)); | |
1069 | tc->ctx_dsd_alloced = 1; | |
1070 | } | |
bad75002 AE |
1071 | |
1072 | /* add new list to cmd iocb or last list */ | |
1073 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
1074 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
1075 | *cur_dsd++ = dsd_list_len; | |
1076 | cur_dsd = (uint32_t *)next_dsd; | |
1077 | } | |
1078 | sle_dma = sg_dma_address(sg); | |
9e522cd8 | 1079 | |
bad75002 AE |
1080 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); |
1081 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1082 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1083 | avail_dsds--; | |
1084 | ||
bad75002 AE |
1085 | } |
1086 | /* Null termination */ | |
1087 | *cur_dsd++ = 0; | |
1088 | *cur_dsd++ = 0; | |
1089 | *cur_dsd++ = 0; | |
1090 | return 0; | |
1091 | } | |
1092 | ||
f83adb61 | 1093 | int |
bad75002 | 1094 | qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, |
f83adb61 | 1095 | uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) |
bad75002 AE |
1096 | { |
1097 | void *next_dsd; | |
1098 | uint8_t avail_dsds = 0; | |
1099 | uint32_t dsd_list_len; | |
1100 | struct dsd_dma *dsd_ptr; | |
f83adb61 | 1101 | struct scatterlist *sg, *sgl; |
bad75002 AE |
1102 | int i; |
1103 | struct scsi_cmnd *cmd; | |
1104 | uint32_t *cur_dsd = dsd; | |
f83adb61 QT |
1105 | uint16_t used_dsds = tot_dsds; |
1106 | struct scsi_qla_host *vha; | |
1107 | ||
1108 | if (sp) { | |
1109 | cmd = GET_CMD_SP(sp); | |
1110 | sgl = scsi_prot_sglist(cmd); | |
25ff6af1 | 1111 | vha = sp->vha; |
f83adb61 QT |
1112 | } else if (tc) { |
1113 | vha = tc->vha; | |
1114 | sgl = tc->prot_sg; | |
1115 | } else { | |
1116 | BUG(); | |
1117 | return 1; | |
1118 | } | |
bad75002 | 1119 | |
f83adb61 QT |
1120 | ql_dbg(ql_dbg_tgt, vha, 0xe021, |
1121 | "%s: enter\n", __func__); | |
1122 | ||
1123 | for_each_sg(sgl, sg, tot_dsds, i) { | |
bad75002 AE |
1124 | dma_addr_t sle_dma; |
1125 | ||
1126 | /* Allocate additional continuation packets? */ | |
1127 | if (avail_dsds == 0) { | |
1128 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
1129 | QLA_DSDS_PER_IOCB : used_dsds; | |
1130 | dsd_list_len = (avail_dsds + 1) * 12; | |
1131 | used_dsds -= avail_dsds; | |
1132 | ||
1133 | /* allocate tracking DS */ | |
1134 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
1135 | if (!dsd_ptr) | |
1136 | return 1; | |
1137 | ||
1138 | /* allocate new list */ | |
1139 | dsd_ptr->dsd_addr = next_dsd = | |
1140 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
1141 | &dsd_ptr->dsd_list_dma); | |
1142 | ||
1143 | if (!next_dsd) { | |
1144 | /* | |
1145 | * Need to cleanup only this dsd_ptr, rest | |
1146 | * will be done by sp_free_dma() | |
1147 | */ | |
1148 | kfree(dsd_ptr); | |
1149 | return 1; | |
1150 | } | |
1151 | ||
f83adb61 QT |
1152 | if (sp) { |
1153 | list_add_tail(&dsd_ptr->list, | |
1154 | &((struct crc_context *) | |
1155 | sp->u.scmd.ctx)->dsd_list); | |
bad75002 | 1156 | |
f83adb61 QT |
1157 | sp->flags |= SRB_CRC_CTX_DSD_VALID; |
1158 | } else { | |
1159 | list_add_tail(&dsd_ptr->list, | |
1160 | &(tc->ctx->dsd_list)); | |
1161 | tc->ctx_dsd_alloced = 1; | |
1162 | } | |
bad75002 AE |
1163 | |
1164 | /* add new list to cmd iocb or last list */ | |
1165 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
1166 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
1167 | *cur_dsd++ = dsd_list_len; | |
1168 | cur_dsd = (uint32_t *)next_dsd; | |
1169 | } | |
1170 | sle_dma = sg_dma_address(sg); | |
9e522cd8 | 1171 | |
bad75002 AE |
1172 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); |
1173 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1174 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1175 | ||
bad75002 AE |
1176 | avail_dsds--; |
1177 | } | |
1178 | /* Null termination */ | |
1179 | *cur_dsd++ = 0; | |
1180 | *cur_dsd++ = 0; | |
1181 | *cur_dsd++ = 0; | |
1182 | return 0; | |
1183 | } | |
1184 | ||
1185 | /** | |
1186 | * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command | |
1187 | * Type 6 IOCB types. | |
1188 | * | |
1189 | * @sp: SRB command to process | |
1190 | * @cmd_pkt: Command type 3 IOCB | |
1191 | * @tot_dsds: Total number of segments to transfer | |
1192 | */ | |
d7459527 | 1193 | inline int |
bad75002 AE |
1194 | qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, |
1195 | uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts) | |
1196 | { | |
1197 | uint32_t *cur_dsd, *fcp_dl; | |
1198 | scsi_qla_host_t *vha; | |
1199 | struct scsi_cmnd *cmd; | |
8cb2049c | 1200 | uint32_t total_bytes = 0; |
bad75002 AE |
1201 | uint32_t data_bytes; |
1202 | uint32_t dif_bytes; | |
1203 | uint8_t bundling = 1; | |
1204 | uint16_t blk_size; | |
1205 | uint8_t *clr_ptr; | |
1206 | struct crc_context *crc_ctx_pkt = NULL; | |
1207 | struct qla_hw_data *ha; | |
1208 | uint8_t additional_fcpcdb_len; | |
1209 | uint16_t fcp_cmnd_len; | |
1210 | struct fcp_cmnd *fcp_cmnd; | |
1211 | dma_addr_t crc_ctx_dma; | |
1212 | ||
9ba56b95 | 1213 | cmd = GET_CMD_SP(sp); |
bad75002 | 1214 | |
bad75002 | 1215 | /* Update entry type to indicate Command Type CRC_2 IOCB */ |
ad950360 | 1216 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_CRC_2); |
bad75002 | 1217 | |
25ff6af1 | 1218 | vha = sp->vha; |
7c3df132 SK |
1219 | ha = vha->hw; |
1220 | ||
bad75002 AE |
1221 | /* No data transfer */ |
1222 | data_bytes = scsi_bufflen(cmd); | |
1223 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { | |
ad950360 | 1224 | cmd_pkt->byte_count = cpu_to_le32(0); |
bad75002 AE |
1225 | return QLA_SUCCESS; |
1226 | } | |
1227 | ||
25ff6af1 | 1228 | cmd_pkt->vp_index = sp->vha->vp_idx; |
bad75002 AE |
1229 | |
1230 | /* Set transfer direction */ | |
1231 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
1232 | cmd_pkt->control_flags = | |
ad950360 | 1233 | cpu_to_le16(CF_WRITE_DATA); |
bad75002 AE |
1234 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
1235 | cmd_pkt->control_flags = | |
ad950360 | 1236 | cpu_to_le16(CF_READ_DATA); |
bad75002 AE |
1237 | } |
1238 | ||
9ba56b95 GM |
1239 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || |
1240 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) || | |
1241 | (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) || | |
1242 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT)) | |
bad75002 AE |
1243 | bundling = 0; |
1244 | ||
1245 | /* Allocate CRC context from global pool */ | |
9ba56b95 GM |
1246 | crc_ctx_pkt = sp->u.scmd.ctx = |
1247 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma); | |
bad75002 AE |
1248 | |
1249 | if (!crc_ctx_pkt) | |
1250 | goto crc_queuing_error; | |
1251 | ||
1252 | /* Zero out CTX area. */ | |
1253 | clr_ptr = (uint8_t *)crc_ctx_pkt; | |
1254 | memset(clr_ptr, 0, sizeof(*crc_ctx_pkt)); | |
1255 | ||
1256 | crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma; | |
1257 | ||
1258 | sp->flags |= SRB_CRC_CTX_DMA_VALID; | |
1259 | ||
1260 | /* Set handle */ | |
1261 | crc_ctx_pkt->handle = cmd_pkt->handle; | |
1262 | ||
1263 | INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list); | |
1264 | ||
e02587d7 | 1265 | qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *) |
bad75002 AE |
1266 | &crc_ctx_pkt->ref_tag, tot_prot_dsds); |
1267 | ||
1268 | cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); | |
1269 | cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma)); | |
1270 | cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW; | |
1271 | ||
1272 | /* Determine SCSI command length -- align to 4 byte boundary */ | |
1273 | if (cmd->cmd_len > 16) { | |
bad75002 AE |
1274 | additional_fcpcdb_len = cmd->cmd_len - 16; |
1275 | if ((cmd->cmd_len % 4) != 0) { | |
1276 | /* SCSI cmd > 16 bytes must be multiple of 4 */ | |
1277 | goto crc_queuing_error; | |
1278 | } | |
1279 | fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
1280 | } else { | |
1281 | additional_fcpcdb_len = 0; | |
1282 | fcp_cmnd_len = 12 + 16 + 4; | |
1283 | } | |
1284 | ||
1285 | fcp_cmnd = &crc_ctx_pkt->fcp_cmnd; | |
1286 | ||
1287 | fcp_cmnd->additional_cdb_len = additional_fcpcdb_len; | |
1288 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
1289 | fcp_cmnd->additional_cdb_len |= 1; | |
1290 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
1291 | fcp_cmnd->additional_cdb_len |= 2; | |
1292 | ||
9ba56b95 | 1293 | int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun); |
bad75002 AE |
1294 | memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); |
1295 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); | |
1296 | cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( | |
1297 | LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
1298 | cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32( | |
1299 | MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
65155b37 | 1300 | fcp_cmnd->task_management = 0; |
50668633 | 1301 | fcp_cmnd->task_attribute = TSK_SIMPLE; |
ff2fc42e | 1302 | |
bad75002 AE |
1303 | cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ |
1304 | ||
bad75002 | 1305 | /* Compute dif len and adjust data len to incude protection */ |
bad75002 AE |
1306 | dif_bytes = 0; |
1307 | blk_size = cmd->device->sector_size; | |
8cb2049c AE |
1308 | dif_bytes = (data_bytes / blk_size) * 8; |
1309 | ||
9ba56b95 | 1310 | switch (scsi_get_prot_op(GET_CMD_SP(sp))) { |
8cb2049c AE |
1311 | case SCSI_PROT_READ_INSERT: |
1312 | case SCSI_PROT_WRITE_STRIP: | |
1313 | total_bytes = data_bytes; | |
1314 | data_bytes += dif_bytes; | |
1315 | break; | |
1316 | ||
1317 | case SCSI_PROT_READ_STRIP: | |
1318 | case SCSI_PROT_WRITE_INSERT: | |
1319 | case SCSI_PROT_READ_PASS: | |
1320 | case SCSI_PROT_WRITE_PASS: | |
1321 | total_bytes = data_bytes + dif_bytes; | |
1322 | break; | |
1323 | default: | |
1324 | BUG(); | |
bad75002 AE |
1325 | } |
1326 | ||
e02587d7 | 1327 | if (!qla2x00_hba_err_chk_enabled(sp)) |
bad75002 | 1328 | fw_prot_opts |= 0x10; /* Disable Guard tag checking */ |
9e522cd8 AE |
1329 | /* HBA error checking enabled */ |
1330 | else if (IS_PI_UNINIT_CAPABLE(ha)) { | |
1331 | if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1) | |
1332 | || (scsi_get_prot_type(GET_CMD_SP(sp)) == | |
1333 | SCSI_PROT_DIF_TYPE2)) | |
1334 | fw_prot_opts |= BIT_10; | |
1335 | else if (scsi_get_prot_type(GET_CMD_SP(sp)) == | |
1336 | SCSI_PROT_DIF_TYPE3) | |
1337 | fw_prot_opts |= BIT_11; | |
1338 | } | |
bad75002 AE |
1339 | |
1340 | if (!bundling) { | |
1341 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; | |
1342 | } else { | |
1343 | /* | |
1344 | * Configure Bundling if we need to fetch interlaving | |
1345 | * protection PCI accesses | |
1346 | */ | |
1347 | fw_prot_opts |= PO_ENABLE_DIF_BUNDLING; | |
1348 | crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes); | |
1349 | crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds - | |
1350 | tot_prot_dsds); | |
1351 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address; | |
1352 | } | |
1353 | ||
1354 | /* Finish the common fields of CRC pkt */ | |
1355 | crc_ctx_pkt->blk_size = cpu_to_le16(blk_size); | |
1356 | crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts); | |
1357 | crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes); | |
ad950360 | 1358 | crc_ctx_pkt->guard_seed = cpu_to_le16(0); |
bad75002 AE |
1359 | /* Fibre channel byte count */ |
1360 | cmd_pkt->byte_count = cpu_to_le32(total_bytes); | |
1361 | fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 + | |
1362 | additional_fcpcdb_len); | |
1363 | *fcp_dl = htonl(total_bytes); | |
1364 | ||
0c470874 | 1365 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 1366 | cmd_pkt->byte_count = cpu_to_le32(0); |
0c470874 AE |
1367 | return QLA_SUCCESS; |
1368 | } | |
bad75002 AE |
1369 | /* Walks data segments */ |
1370 | ||
ad950360 | 1371 | cmd_pkt->control_flags |= cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE); |
8cb2049c AE |
1372 | |
1373 | if (!bundling && tot_prot_dsds) { | |
1374 | if (qla24xx_walk_and_build_sglist_no_difb(ha, sp, | |
f83adb61 | 1375 | cur_dsd, tot_dsds, NULL)) |
8cb2049c AE |
1376 | goto crc_queuing_error; |
1377 | } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, | |
f83adb61 | 1378 | (tot_dsds - tot_prot_dsds), NULL)) |
bad75002 AE |
1379 | goto crc_queuing_error; |
1380 | ||
1381 | if (bundling && tot_prot_dsds) { | |
1382 | /* Walks dif segments */ | |
ad950360 | 1383 | cmd_pkt->control_flags |= cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE); |
bad75002 AE |
1384 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address; |
1385 | if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd, | |
f83adb61 | 1386 | tot_prot_dsds, NULL)) |
bad75002 AE |
1387 | goto crc_queuing_error; |
1388 | } | |
1389 | return QLA_SUCCESS; | |
1390 | ||
1391 | crc_queuing_error: | |
bad75002 AE |
1392 | /* Cleanup will be performed by the caller */ |
1393 | ||
1394 | return QLA_FUNCTION_FAILED; | |
1395 | } | |
2b6c0cee AV |
1396 | |
1397 | /** | |
1398 | * qla24xx_start_scsi() - Send a SCSI command to the ISP | |
1399 | * @sp: command to send to the ISP | |
1400 | * | |
cc3ef7bc | 1401 | * Returns non-zero if a failure occurred, else zero. |
2b6c0cee AV |
1402 | */ |
1403 | int | |
1404 | qla24xx_start_scsi(srb_t *sp) | |
1405 | { | |
52c82823 | 1406 | int nseg; |
2b6c0cee | 1407 | unsigned long flags; |
2b6c0cee AV |
1408 | uint32_t *clr_ptr; |
1409 | uint32_t index; | |
1410 | uint32_t handle; | |
1411 | struct cmd_type_7 *cmd_pkt; | |
2b6c0cee AV |
1412 | uint16_t cnt; |
1413 | uint16_t req_cnt; | |
1414 | uint16_t tot_dsds; | |
73208dfd AC |
1415 | struct req_que *req = NULL; |
1416 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1417 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
25ff6af1 | 1418 | struct scsi_qla_host *vha = sp->vha; |
73208dfd | 1419 | struct qla_hw_data *ha = vha->hw; |
2b6c0cee AV |
1420 | |
1421 | /* Setup device pointers. */ | |
59e0b8b0 | 1422 | req = vha->req; |
d7459527 | 1423 | rsp = req->rsp; |
73208dfd | 1424 | |
2b6c0cee AV |
1425 | /* So we know we haven't pci_map'ed anything yet */ |
1426 | tot_dsds = 0; | |
1427 | ||
1428 | /* Send marker if required */ | |
e315cd28 | 1429 | if (vha->marker_needed != 0) { |
7c3df132 SK |
1430 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != |
1431 | QLA_SUCCESS) | |
2b6c0cee | 1432 | return QLA_FUNCTION_FAILED; |
e315cd28 | 1433 | vha->marker_needed = 0; |
2b6c0cee AV |
1434 | } |
1435 | ||
1436 | /* Acquire ring specific lock */ | |
e315cd28 | 1437 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2b6c0cee AV |
1438 | |
1439 | /* Check for room in outstanding command list. */ | |
e315cd28 | 1440 | handle = req->current_outstanding_cmd; |
8d93f550 | 1441 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
2b6c0cee | 1442 | handle++; |
8d93f550 | 1443 | if (handle == req->num_outstanding_cmds) |
2b6c0cee | 1444 | handle = 1; |
e315cd28 | 1445 | if (!req->outstanding_cmds[handle]) |
2b6c0cee AV |
1446 | break; |
1447 | } | |
8d93f550 | 1448 | if (index == req->num_outstanding_cmds) |
2b6c0cee AV |
1449 | goto queuing_error; |
1450 | ||
1451 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2c3dfe3f SJ |
1452 | if (scsi_sg_count(cmd)) { |
1453 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1454 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1455 | if (unlikely(!nseg)) | |
2b6c0cee | 1456 | goto queuing_error; |
2c3dfe3f SJ |
1457 | } else |
1458 | nseg = 0; | |
1459 | ||
385d70b4 | 1460 | tot_dsds = nseg; |
7c3df132 | 1461 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); |
e315cd28 | 1462 | if (req->cnt < (req_cnt + 2)) { |
7c6300e3 JC |
1463 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
1464 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
e315cd28 AC |
1465 | if (req->ring_index < cnt) |
1466 | req->cnt = cnt - req->ring_index; | |
2b6c0cee | 1467 | else |
e315cd28 AC |
1468 | req->cnt = req->length - |
1469 | (req->ring_index - cnt); | |
a6eb3c9f CL |
1470 | if (req->cnt < (req_cnt + 2)) |
1471 | goto queuing_error; | |
2b6c0cee | 1472 | } |
2b6c0cee AV |
1473 | |
1474 | /* Build command packet. */ | |
e315cd28 AC |
1475 | req->current_outstanding_cmd = handle; |
1476 | req->outstanding_cmds[handle] = sp; | |
cf53b069 | 1477 | sp->handle = handle; |
9ba56b95 | 1478 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
e315cd28 | 1479 | req->cnt -= req_cnt; |
2b6c0cee | 1480 | |
e315cd28 | 1481 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; |
2afa19a9 | 1482 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); |
2b6c0cee AV |
1483 | |
1484 | /* Zero out remaining portion of packet. */ | |
72df8325 | 1485 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ |
2b6c0cee AV |
1486 | clr_ptr = (uint32_t *)cmd_pkt + 2; |
1487 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1488 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1489 | ||
1490 | /* Set NPORT-ID and LUN number*/ | |
1491 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1492 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1493 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1494 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 1495 | cmd_pkt->vp_index = sp->vha->vp_idx; |
2b6c0cee | 1496 | |
9ba56b95 | 1497 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
0d4be124 | 1498 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
2b6c0cee | 1499 | |
50668633 | 1500 | cmd_pkt->task = TSK_SIMPLE; |
ff2fc42e | 1501 | |
2b6c0cee AV |
1502 | /* Load SCSI command packet. */ |
1503 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
1504 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
1505 | ||
385d70b4 | 1506 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); |
2b6c0cee AV |
1507 | |
1508 | /* Build IOCB segments */ | |
d7459527 | 1509 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); |
2b6c0cee AV |
1510 | |
1511 | /* Set total data segment count. */ | |
1512 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1513 | wmb(); | |
2b6c0cee | 1514 | /* Adjust ring index. */ |
e315cd28 AC |
1515 | req->ring_index++; |
1516 | if (req->ring_index == req->length) { | |
1517 | req->ring_index = 0; | |
1518 | req->ring_ptr = req->ring; | |
2b6c0cee | 1519 | } else |
e315cd28 | 1520 | req->ring_ptr++; |
2b6c0cee AV |
1521 | |
1522 | sp->flags |= SRB_DMA_VALID; | |
2b6c0cee AV |
1523 | |
1524 | /* Set chip new ring index. */ | |
08029990 AV |
1525 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
1526 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
2b6c0cee | 1527 | |
4fdfefe5 | 1528 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
e315cd28 | 1529 | if (vha->flags.process_response_queue && |
73208dfd | 1530 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) |
2afa19a9 | 1531 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 1532 | |
e315cd28 | 1533 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1534 | return QLA_SUCCESS; |
1535 | ||
1536 | queuing_error: | |
385d70b4 FT |
1537 | if (tot_dsds) |
1538 | scsi_dma_unmap(cmd); | |
1539 | ||
e315cd28 | 1540 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1541 | |
1542 | return QLA_FUNCTION_FAILED; | |
1da177e4 | 1543 | } |
68ca949c | 1544 | |
bad75002 AE |
1545 | /** |
1546 | * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP | |
1547 | * @sp: command to send to the ISP | |
1548 | * | |
1549 | * Returns non-zero if a failure occurred, else zero. | |
1550 | */ | |
1551 | int | |
1552 | qla24xx_dif_start_scsi(srb_t *sp) | |
1553 | { | |
1554 | int nseg; | |
1555 | unsigned long flags; | |
1556 | uint32_t *clr_ptr; | |
1557 | uint32_t index; | |
1558 | uint32_t handle; | |
1559 | uint16_t cnt; | |
1560 | uint16_t req_cnt = 0; | |
1561 | uint16_t tot_dsds; | |
1562 | uint16_t tot_prot_dsds; | |
1563 | uint16_t fw_prot_opts = 0; | |
1564 | struct req_que *req = NULL; | |
1565 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1566 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
25ff6af1 | 1567 | struct scsi_qla_host *vha = sp->vha; |
bad75002 AE |
1568 | struct qla_hw_data *ha = vha->hw; |
1569 | struct cmd_type_crc_2 *cmd_pkt; | |
1570 | uint32_t status = 0; | |
1571 | ||
1572 | #define QDSS_GOT_Q_SPACE BIT_0 | |
1573 | ||
0c470874 AE |
1574 | /* Only process protection or >16 cdb in this routine */ |
1575 | if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) { | |
1576 | if (cmd->cmd_len <= 16) | |
1577 | return qla24xx_start_scsi(sp); | |
1578 | } | |
bad75002 AE |
1579 | |
1580 | /* Setup device pointers. */ | |
bad75002 | 1581 | req = vha->req; |
d7459527 | 1582 | rsp = req->rsp; |
bad75002 AE |
1583 | |
1584 | /* So we know we haven't pci_map'ed anything yet */ | |
1585 | tot_dsds = 0; | |
1586 | ||
1587 | /* Send marker if required */ | |
1588 | if (vha->marker_needed != 0) { | |
1589 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1590 | QLA_SUCCESS) | |
1591 | return QLA_FUNCTION_FAILED; | |
1592 | vha->marker_needed = 0; | |
1593 | } | |
1594 | ||
1595 | /* Acquire ring specific lock */ | |
1596 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1597 | ||
1598 | /* Check for room in outstanding command list. */ | |
1599 | handle = req->current_outstanding_cmd; | |
8d93f550 | 1600 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
bad75002 | 1601 | handle++; |
8d93f550 | 1602 | if (handle == req->num_outstanding_cmds) |
bad75002 AE |
1603 | handle = 1; |
1604 | if (!req->outstanding_cmds[handle]) | |
1605 | break; | |
1606 | } | |
1607 | ||
8d93f550 | 1608 | if (index == req->num_outstanding_cmds) |
bad75002 AE |
1609 | goto queuing_error; |
1610 | ||
1611 | /* Compute number of required data segments */ | |
1612 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1613 | if (scsi_sg_count(cmd)) { | |
1614 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1615 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1616 | if (unlikely(!nseg)) | |
1617 | goto queuing_error; | |
1618 | else | |
1619 | sp->flags |= SRB_DMA_VALID; | |
8cb2049c AE |
1620 | |
1621 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1622 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1623 | struct qla2_sgx sgx; | |
1624 | uint32_t partial; | |
1625 | ||
1626 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
1627 | sgx.tot_bytes = scsi_bufflen(cmd); | |
1628 | sgx.cur_sg = scsi_sglist(cmd); | |
1629 | sgx.sp = sp; | |
1630 | ||
1631 | nseg = 0; | |
1632 | while (qla24xx_get_one_block_sg( | |
1633 | cmd->device->sector_size, &sgx, &partial)) | |
1634 | nseg++; | |
1635 | } | |
bad75002 AE |
1636 | } else |
1637 | nseg = 0; | |
1638 | ||
1639 | /* number of required data segments */ | |
1640 | tot_dsds = nseg; | |
1641 | ||
1642 | /* Compute number of required protection segments */ | |
1643 | if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) { | |
1644 | nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | |
1645 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | |
1646 | if (unlikely(!nseg)) | |
1647 | goto queuing_error; | |
1648 | else | |
1649 | sp->flags |= SRB_CRC_PROT_DMA_VALID; | |
8cb2049c AE |
1650 | |
1651 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1652 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1653 | nseg = scsi_bufflen(cmd) / cmd->device->sector_size; | |
1654 | } | |
bad75002 AE |
1655 | } else { |
1656 | nseg = 0; | |
1657 | } | |
1658 | ||
1659 | req_cnt = 1; | |
1660 | /* Total Data and protection sg segment(s) */ | |
1661 | tot_prot_dsds = nseg; | |
1662 | tot_dsds += nseg; | |
1663 | if (req->cnt < (req_cnt + 2)) { | |
7c6300e3 JC |
1664 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
1665 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
bad75002 AE |
1666 | if (req->ring_index < cnt) |
1667 | req->cnt = cnt - req->ring_index; | |
1668 | else | |
1669 | req->cnt = req->length - | |
1670 | (req->ring_index - cnt); | |
a6eb3c9f CL |
1671 | if (req->cnt < (req_cnt + 2)) |
1672 | goto queuing_error; | |
bad75002 AE |
1673 | } |
1674 | ||
bad75002 AE |
1675 | status |= QDSS_GOT_Q_SPACE; |
1676 | ||
1677 | /* Build header part of command packet (excluding the OPCODE). */ | |
1678 | req->current_outstanding_cmd = handle; | |
1679 | req->outstanding_cmds[handle] = sp; | |
8cb2049c | 1680 | sp->handle = handle; |
9ba56b95 | 1681 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
bad75002 AE |
1682 | req->cnt -= req_cnt; |
1683 | ||
1684 | /* Fill-in common area */ | |
1685 | cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr; | |
1686 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
1687 | ||
1688 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
1689 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1690 | ||
1691 | /* Set NPORT-ID and LUN number*/ | |
1692 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1693 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1694 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1695 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
1696 | ||
9ba56b95 | 1697 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
bad75002 AE |
1698 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
1699 | ||
1700 | /* Total Data and protection segment(s) */ | |
1701 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1702 | ||
1703 | /* Build IOCB segments and adjust for data protection segments */ | |
1704 | if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *) | |
1705 | req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) != | |
1706 | QLA_SUCCESS) | |
1707 | goto queuing_error; | |
1708 | ||
1709 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1710 | /* Specify response queue number where completion should happen */ | |
1711 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
ad950360 | 1712 | cmd_pkt->timeout = cpu_to_le16(0); |
bad75002 AE |
1713 | wmb(); |
1714 | ||
1715 | /* Adjust ring index. */ | |
1716 | req->ring_index++; | |
1717 | if (req->ring_index == req->length) { | |
1718 | req->ring_index = 0; | |
1719 | req->ring_ptr = req->ring; | |
1720 | } else | |
1721 | req->ring_ptr++; | |
1722 | ||
1723 | /* Set chip new ring index. */ | |
1724 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
1725 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
1726 | ||
1727 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
1728 | if (vha->flags.process_response_queue && | |
1729 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
1730 | qla24xx_process_response_queue(vha, rsp); | |
1731 | ||
1732 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1733 | ||
1734 | return QLA_SUCCESS; | |
1735 | ||
1736 | queuing_error: | |
1737 | if (status & QDSS_GOT_Q_SPACE) { | |
1738 | req->outstanding_cmds[handle] = NULL; | |
1739 | req->cnt += req_cnt; | |
1740 | } | |
1741 | /* Cleanup will be performed by the caller (queuecommand) */ | |
1742 | ||
1743 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
bad75002 AE |
1744 | return QLA_FUNCTION_FAILED; |
1745 | } | |
1746 | ||
d7459527 MH |
1747 | /** |
1748 | * qla2xxx_start_scsi_mq() - Send a SCSI command to the ISP | |
1749 | * @sp: command to send to the ISP | |
1750 | * | |
1751 | * Returns non-zero if a failure occurred, else zero. | |
1752 | */ | |
1753 | static int | |
1754 | qla2xxx_start_scsi_mq(srb_t *sp) | |
68ca949c | 1755 | { |
d7459527 MH |
1756 | int nseg; |
1757 | unsigned long flags; | |
1758 | uint32_t *clr_ptr; | |
1759 | uint32_t index; | |
1760 | uint32_t handle; | |
1761 | struct cmd_type_7 *cmd_pkt; | |
1762 | uint16_t cnt; | |
1763 | uint16_t req_cnt; | |
1764 | uint16_t tot_dsds; | |
1765 | struct req_que *req = NULL; | |
1766 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1767 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
d7459527 MH |
1768 | struct scsi_qla_host *vha = sp->fcport->vha; |
1769 | struct qla_hw_data *ha = vha->hw; | |
1770 | struct qla_qpair *qpair = sp->qpair; | |
1771 | ||
1772 | /* Setup qpair pointers */ | |
1773 | rsp = qpair->rsp; | |
1774 | req = qpair->req; | |
1775 | ||
1776 | /* So we know we haven't pci_map'ed anything yet */ | |
1777 | tot_dsds = 0; | |
1778 | ||
1779 | /* Send marker if required */ | |
1780 | if (vha->marker_needed != 0) { | |
1781 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1782 | QLA_SUCCESS) | |
1783 | return QLA_FUNCTION_FAILED; | |
1784 | vha->marker_needed = 0; | |
1785 | } | |
1786 | ||
1787 | /* Acquire qpair specific lock */ | |
1788 | spin_lock_irqsave(&qpair->qp_lock, flags); | |
1789 | ||
1790 | /* Check for room in outstanding command list. */ | |
1791 | handle = req->current_outstanding_cmd; | |
1792 | for (index = 1; index < req->num_outstanding_cmds; index++) { | |
1793 | handle++; | |
1794 | if (handle == req->num_outstanding_cmds) | |
1795 | handle = 1; | |
1796 | if (!req->outstanding_cmds[handle]) | |
1797 | break; | |
1798 | } | |
1799 | if (index == req->num_outstanding_cmds) | |
1800 | goto queuing_error; | |
1801 | ||
1802 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1803 | if (scsi_sg_count(cmd)) { | |
1804 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1805 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1806 | if (unlikely(!nseg)) | |
1807 | goto queuing_error; | |
1808 | } else | |
1809 | nseg = 0; | |
1810 | ||
1811 | tot_dsds = nseg; | |
1812 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
1813 | if (req->cnt < (req_cnt + 2)) { | |
1814 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : | |
1815 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
1816 | if (req->ring_index < cnt) | |
1817 | req->cnt = cnt - req->ring_index; | |
1818 | else | |
1819 | req->cnt = req->length - | |
1820 | (req->ring_index - cnt); | |
1821 | if (req->cnt < (req_cnt + 2)) | |
1822 | goto queuing_error; | |
1823 | } | |
1824 | ||
1825 | /* Build command packet. */ | |
1826 | req->current_outstanding_cmd = handle; | |
1827 | req->outstanding_cmds[handle] = sp; | |
1828 | sp->handle = handle; | |
1829 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
1830 | req->cnt -= req_cnt; | |
1831 | ||
1832 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; | |
1833 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
1834 | ||
1835 | /* Zero out remaining portion of packet. */ | |
1836 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ | |
1837 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
1838 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1839 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1840 | ||
1841 | /* Set NPORT-ID and LUN number*/ | |
1842 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1843 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1844 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1845 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
1846 | cmd_pkt->vp_index = sp->fcport->vha->vp_idx; | |
1847 | ||
1848 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); | |
1849 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); | |
1850 | ||
1851 | cmd_pkt->task = TSK_SIMPLE; | |
1852 | ||
1853 | /* Load SCSI command packet. */ | |
1854 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
1855 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
1856 | ||
1857 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
1858 | ||
1859 | /* Build IOCB segments */ | |
1860 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); | |
1861 | ||
1862 | /* Set total data segment count. */ | |
1863 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1864 | wmb(); | |
1865 | /* Adjust ring index. */ | |
1866 | req->ring_index++; | |
1867 | if (req->ring_index == req->length) { | |
1868 | req->ring_index = 0; | |
1869 | req->ring_ptr = req->ring; | |
1870 | } else | |
1871 | req->ring_ptr++; | |
1872 | ||
1873 | sp->flags |= SRB_DMA_VALID; | |
1874 | ||
1875 | /* Set chip new ring index. */ | |
1876 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
1877 | ||
1878 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
1879 | if (vha->flags.process_response_queue && | |
1880 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
1881 | qla24xx_process_response_queue(vha, rsp); | |
1882 | ||
1883 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
1884 | return QLA_SUCCESS; | |
1885 | ||
1886 | queuing_error: | |
1887 | if (tot_dsds) | |
1888 | scsi_dma_unmap(cmd); | |
1889 | ||
1890 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
1891 | ||
1892 | return QLA_FUNCTION_FAILED; | |
1893 | } | |
1894 | ||
1895 | ||
1896 | /** | |
1897 | * qla2xxx_dif_start_scsi_mq() - Send a SCSI command to the ISP | |
1898 | * @sp: command to send to the ISP | |
1899 | * | |
1900 | * Returns non-zero if a failure occurred, else zero. | |
1901 | */ | |
1902 | int | |
1903 | qla2xxx_dif_start_scsi_mq(srb_t *sp) | |
1904 | { | |
1905 | int nseg; | |
1906 | unsigned long flags; | |
1907 | uint32_t *clr_ptr; | |
1908 | uint32_t index; | |
1909 | uint32_t handle; | |
1910 | uint16_t cnt; | |
1911 | uint16_t req_cnt = 0; | |
1912 | uint16_t tot_dsds; | |
1913 | uint16_t tot_prot_dsds; | |
1914 | uint16_t fw_prot_opts = 0; | |
1915 | struct req_que *req = NULL; | |
1916 | struct rsp_que *rsp = NULL; | |
1917 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); | |
1918 | struct scsi_qla_host *vha = sp->fcport->vha; | |
1919 | struct qla_hw_data *ha = vha->hw; | |
1920 | struct cmd_type_crc_2 *cmd_pkt; | |
1921 | uint32_t status = 0; | |
1922 | struct qla_qpair *qpair = sp->qpair; | |
1923 | ||
1924 | #define QDSS_GOT_Q_SPACE BIT_0 | |
1925 | ||
1926 | /* Check for host side state */ | |
1927 | if (!qpair->online) { | |
1928 | cmd->result = DID_NO_CONNECT << 16; | |
1929 | return QLA_INTERFACE_ERROR; | |
1930 | } | |
1931 | ||
1932 | if (!qpair->difdix_supported && | |
1933 | scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { | |
1934 | cmd->result = DID_NO_CONNECT << 16; | |
1935 | return QLA_INTERFACE_ERROR; | |
1936 | } | |
1937 | ||
1938 | /* Only process protection or >16 cdb in this routine */ | |
1939 | if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) { | |
1940 | if (cmd->cmd_len <= 16) | |
1941 | return qla2xxx_start_scsi_mq(sp); | |
1942 | } | |
1943 | ||
1944 | /* Setup qpair pointers */ | |
1945 | rsp = qpair->rsp; | |
1946 | req = qpair->req; | |
1947 | ||
1948 | /* So we know we haven't pci_map'ed anything yet */ | |
1949 | tot_dsds = 0; | |
1950 | ||
1951 | /* Send marker if required */ | |
1952 | if (vha->marker_needed != 0) { | |
1953 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1954 | QLA_SUCCESS) | |
1955 | return QLA_FUNCTION_FAILED; | |
1956 | vha->marker_needed = 0; | |
1957 | } | |
1958 | ||
1959 | /* Acquire ring specific lock */ | |
1960 | spin_lock_irqsave(&qpair->qp_lock, flags); | |
1961 | ||
1962 | /* Check for room in outstanding command list. */ | |
1963 | handle = req->current_outstanding_cmd; | |
1964 | for (index = 1; index < req->num_outstanding_cmds; index++) { | |
1965 | handle++; | |
1966 | if (handle == req->num_outstanding_cmds) | |
1967 | handle = 1; | |
1968 | if (!req->outstanding_cmds[handle]) | |
1969 | break; | |
1970 | } | |
1971 | ||
1972 | if (index == req->num_outstanding_cmds) | |
1973 | goto queuing_error; | |
1974 | ||
1975 | /* Compute number of required data segments */ | |
1976 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1977 | if (scsi_sg_count(cmd)) { | |
1978 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1979 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1980 | if (unlikely(!nseg)) | |
1981 | goto queuing_error; | |
1982 | else | |
1983 | sp->flags |= SRB_DMA_VALID; | |
1984 | ||
1985 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1986 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1987 | struct qla2_sgx sgx; | |
1988 | uint32_t partial; | |
1989 | ||
1990 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
1991 | sgx.tot_bytes = scsi_bufflen(cmd); | |
1992 | sgx.cur_sg = scsi_sglist(cmd); | |
1993 | sgx.sp = sp; | |
1994 | ||
1995 | nseg = 0; | |
1996 | while (qla24xx_get_one_block_sg( | |
1997 | cmd->device->sector_size, &sgx, &partial)) | |
1998 | nseg++; | |
1999 | } | |
2000 | } else | |
2001 | nseg = 0; | |
2002 | ||
2003 | /* number of required data segments */ | |
2004 | tot_dsds = nseg; | |
2005 | ||
2006 | /* Compute number of required protection segments */ | |
2007 | if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) { | |
2008 | nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | |
2009 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | |
2010 | if (unlikely(!nseg)) | |
2011 | goto queuing_error; | |
2012 | else | |
2013 | sp->flags |= SRB_CRC_PROT_DMA_VALID; | |
2014 | ||
2015 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
2016 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
2017 | nseg = scsi_bufflen(cmd) / cmd->device->sector_size; | |
2018 | } | |
2019 | } else { | |
2020 | nseg = 0; | |
2021 | } | |
2022 | ||
2023 | req_cnt = 1; | |
2024 | /* Total Data and protection sg segment(s) */ | |
2025 | tot_prot_dsds = nseg; | |
2026 | tot_dsds += nseg; | |
2027 | if (req->cnt < (req_cnt + 2)) { | |
2028 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : | |
2029 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
2030 | if (req->ring_index < cnt) | |
2031 | req->cnt = cnt - req->ring_index; | |
2032 | else | |
2033 | req->cnt = req->length - | |
2034 | (req->ring_index - cnt); | |
2035 | if (req->cnt < (req_cnt + 2)) | |
2036 | goto queuing_error; | |
2037 | } | |
2038 | ||
2039 | status |= QDSS_GOT_Q_SPACE; | |
2040 | ||
2041 | /* Build header part of command packet (excluding the OPCODE). */ | |
2042 | req->current_outstanding_cmd = handle; | |
2043 | req->outstanding_cmds[handle] = sp; | |
2044 | sp->handle = handle; | |
2045 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
2046 | req->cnt -= req_cnt; | |
2047 | ||
2048 | /* Fill-in common area */ | |
2049 | cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr; | |
2050 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2051 | ||
2052 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2053 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2054 | ||
2055 | /* Set NPORT-ID and LUN number*/ | |
2056 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2057 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2058 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2059 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
68ca949c | 2060 | |
d7459527 MH |
2061 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
2062 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); | |
2063 | ||
2064 | /* Total Data and protection segment(s) */ | |
2065 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2066 | ||
2067 | /* Build IOCB segments and adjust for data protection segments */ | |
2068 | if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *) | |
2069 | req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) != | |
2070 | QLA_SUCCESS) | |
2071 | goto queuing_error; | |
2072 | ||
2073 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2074 | cmd_pkt->timeout = cpu_to_le16(0); | |
2075 | wmb(); | |
2076 | ||
2077 | /* Adjust ring index. */ | |
2078 | req->ring_index++; | |
2079 | if (req->ring_index == req->length) { | |
2080 | req->ring_index = 0; | |
2081 | req->ring_ptr = req->ring; | |
2082 | } else | |
2083 | req->ring_ptr++; | |
2084 | ||
2085 | /* Set chip new ring index. */ | |
2086 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
2087 | ||
2088 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
2089 | if (vha->flags.process_response_queue && | |
2090 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
2091 | qla24xx_process_response_queue(vha, rsp); | |
2092 | ||
2093 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
2094 | ||
2095 | return QLA_SUCCESS; | |
2096 | ||
2097 | queuing_error: | |
2098 | if (status & QDSS_GOT_Q_SPACE) { | |
2099 | req->outstanding_cmds[handle] = NULL; | |
2100 | req->cnt += req_cnt; | |
2101 | } | |
2102 | /* Cleanup will be performed by the caller (queuecommand) */ | |
2103 | ||
2104 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
2105 | return QLA_FUNCTION_FAILED; | |
68ca949c | 2106 | } |
ac280b67 AV |
2107 | |
2108 | /* Generic Control-SRB manipulation functions. */ | |
b6a029e1 AE |
2109 | |
2110 | /* hardware_lock assumed to be held. */ | |
2111 | void * | |
2112 | qla2x00_alloc_iocbs_ready(scsi_qla_host_t *vha, srb_t *sp) | |
2113 | { | |
2114 | if (qla2x00_reset_active(vha)) | |
2115 | return NULL; | |
2116 | ||
2117 | return qla2x00_alloc_iocbs(vha, sp); | |
2118 | } | |
2119 | ||
d94d10e7 GM |
2120 | void * |
2121 | qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) | |
ac280b67 | 2122 | { |
ac280b67 AV |
2123 | struct qla_hw_data *ha = vha->hw; |
2124 | struct req_que *req = ha->req_q_map[0]; | |
118e2ef9 | 2125 | device_reg_t *reg = ISP_QUE_REG(ha, req->id); |
ac280b67 AV |
2126 | uint32_t index, handle; |
2127 | request_t *pkt; | |
2128 | uint16_t cnt, req_cnt; | |
2129 | ||
2130 | pkt = NULL; | |
2131 | req_cnt = 1; | |
d94d10e7 GM |
2132 | handle = 0; |
2133 | ||
2134 | if (!sp) | |
2135 | goto skip_cmd_array; | |
ac280b67 AV |
2136 | |
2137 | /* Check for room in outstanding command list. */ | |
2138 | handle = req->current_outstanding_cmd; | |
4b4f30cc | 2139 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
ac280b67 | 2140 | handle++; |
8d93f550 | 2141 | if (handle == req->num_outstanding_cmds) |
ac280b67 AV |
2142 | handle = 1; |
2143 | if (!req->outstanding_cmds[handle]) | |
2144 | break; | |
2145 | } | |
8d93f550 | 2146 | if (index == req->num_outstanding_cmds) { |
7c3df132 | 2147 | ql_log(ql_log_warn, vha, 0x700b, |
d6a03581 | 2148 | "No room on outstanding cmd array.\n"); |
ac280b67 | 2149 | goto queuing_error; |
7c3df132 | 2150 | } |
ac280b67 | 2151 | |
d94d10e7 GM |
2152 | /* Prep command array. */ |
2153 | req->current_outstanding_cmd = handle; | |
2154 | req->outstanding_cmds[handle] = sp; | |
2155 | sp->handle = handle; | |
2156 | ||
5780790e | 2157 | /* Adjust entry-counts as needed. */ |
9ba56b95 GM |
2158 | if (sp->type != SRB_SCSI_CMD) |
2159 | req_cnt = sp->iocbs; | |
5780790e | 2160 | |
d94d10e7 | 2161 | skip_cmd_array: |
ac280b67 | 2162 | /* Check for room on request queue. */ |
94007037 | 2163 | if (req->cnt < req_cnt + 2) { |
f73cb695 | 2164 | if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) |
ac280b67 | 2165 | cnt = RD_REG_DWORD(®->isp25mq.req_q_out); |
7ec0effd | 2166 | else if (IS_P3P_TYPE(ha)) |
d94d10e7 | 2167 | cnt = RD_REG_DWORD(®->isp82.req_q_out); |
ac280b67 AV |
2168 | else if (IS_FWI2_CAPABLE(ha)) |
2169 | cnt = RD_REG_DWORD(®->isp24.req_q_out); | |
8ae6d9c7 GM |
2170 | else if (IS_QLAFX00(ha)) |
2171 | cnt = RD_REG_DWORD(®->ispfx00.req_q_out); | |
ac280b67 AV |
2172 | else |
2173 | cnt = qla2x00_debounce_register( | |
2174 | ISP_REQ_Q_OUT(ha, ®->isp)); | |
2175 | ||
2176 | if (req->ring_index < cnt) | |
2177 | req->cnt = cnt - req->ring_index; | |
2178 | else | |
2179 | req->cnt = req->length - | |
2180 | (req->ring_index - cnt); | |
2181 | } | |
94007037 | 2182 | if (req->cnt < req_cnt + 2) |
ac280b67 AV |
2183 | goto queuing_error; |
2184 | ||
2185 | /* Prep packet */ | |
ac280b67 | 2186 | req->cnt -= req_cnt; |
ac280b67 AV |
2187 | pkt = req->ring_ptr; |
2188 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
8ae6d9c7 | 2189 | if (IS_QLAFX00(ha)) { |
1f8deefe SK |
2190 | WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt); |
2191 | WRT_REG_WORD((void __iomem *)&pkt->handle, handle); | |
8ae6d9c7 GM |
2192 | } else { |
2193 | pkt->entry_count = req_cnt; | |
2194 | pkt->handle = handle; | |
2195 | } | |
ac280b67 AV |
2196 | |
2197 | queuing_error: | |
ce1025cd | 2198 | vha->tgt_counters.num_alloc_iocb_failed++; |
ac280b67 AV |
2199 | return pkt; |
2200 | } | |
2201 | ||
ac280b67 AV |
2202 | static void |
2203 | qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2204 | { | |
9ba56b95 | 2205 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
ac280b67 AV |
2206 | |
2207 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2208 | logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI); | |
4916392b | 2209 | if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI) |
ac280b67 | 2210 | logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI); |
4916392b | 2211 | if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI) |
ac280b67 AV |
2212 | logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI); |
2213 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2214 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2215 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
2216 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2217 | logio->vp_index = sp->vha->vp_idx; |
ac280b67 AV |
2218 | } |
2219 | ||
2220 | static void | |
2221 | qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2222 | { | |
25ff6af1 | 2223 | struct qla_hw_data *ha = sp->vha->hw; |
9ba56b95 | 2224 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
ac280b67 AV |
2225 | uint16_t opts; |
2226 | ||
b963752f | 2227 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
2228 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
2229 | mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT); | |
4916392b MI |
2230 | opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0; |
2231 | opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0; | |
ac280b67 AV |
2232 | if (HAS_EXTENDED_IDS(ha)) { |
2233 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
2234 | mbx->mb10 = cpu_to_le16(opts); | |
2235 | } else { | |
2236 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts); | |
2237 | } | |
2238 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
2239 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
2240 | sp->fcport->d_id.b.al_pa); | |
25ff6af1 | 2241 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
ac280b67 AV |
2242 | } |
2243 | ||
2244 | static void | |
2245 | qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2246 | { | |
2247 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2248 | logio->control_flags = | |
2249 | cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO); | |
726b8548 | 2250 | if (!sp->fcport->se_sess || |
5d964837 | 2251 | !sp->fcport->keep_nport_handle) |
a6ca8878 | 2252 | logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT); |
ac280b67 AV |
2253 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); |
2254 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2255 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
2256 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2257 | logio->vp_index = sp->vha->vp_idx; |
ac280b67 AV |
2258 | } |
2259 | ||
2260 | static void | |
2261 | qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2262 | { | |
25ff6af1 | 2263 | struct qla_hw_data *ha = sp->vha->hw; |
ac280b67 | 2264 | |
b963752f | 2265 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
2266 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
2267 | mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT); | |
2268 | mbx->mb1 = HAS_EXTENDED_IDS(ha) ? | |
2269 | cpu_to_le16(sp->fcport->loop_id): | |
2270 | cpu_to_le16(sp->fcport->loop_id << 8); | |
2271 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
2272 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
2273 | sp->fcport->d_id.b.al_pa); | |
25ff6af1 | 2274 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
ac280b67 AV |
2275 | /* Implicit: mbx->mbx10 = 0. */ |
2276 | } | |
2277 | ||
5ff1d584 AV |
2278 | static void |
2279 | qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2280 | { | |
2281 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2282 | logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC); | |
2283 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
25ff6af1 | 2284 | logio->vp_index = sp->vha->vp_idx; |
5ff1d584 AV |
2285 | } |
2286 | ||
2287 | static void | |
2288 | qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2289 | { | |
25ff6af1 | 2290 | struct qla_hw_data *ha = sp->vha->hw; |
5ff1d584 AV |
2291 | |
2292 | mbx->entry_type = MBX_IOCB_TYPE; | |
2293 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); | |
2294 | mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE); | |
2295 | if (HAS_EXTENDED_IDS(ha)) { | |
2296 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
2297 | mbx->mb10 = cpu_to_le16(BIT_0); | |
2298 | } else { | |
2299 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0); | |
2300 | } | |
2301 | mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma)); | |
2302 | mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma)); | |
2303 | mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma))); | |
2304 | mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma))); | |
25ff6af1 | 2305 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
5ff1d584 AV |
2306 | } |
2307 | ||
3822263e MI |
2308 | static void |
2309 | qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) | |
2310 | { | |
2311 | uint32_t flags; | |
9cb78c16 | 2312 | uint64_t lun; |
3822263e MI |
2313 | struct fc_port *fcport = sp->fcport; |
2314 | scsi_qla_host_t *vha = fcport->vha; | |
2315 | struct qla_hw_data *ha = vha->hw; | |
9ba56b95 | 2316 | struct srb_iocb *iocb = &sp->u.iocb_cmd; |
3822263e MI |
2317 | struct req_que *req = vha->req; |
2318 | ||
2319 | flags = iocb->u.tmf.flags; | |
2320 | lun = iocb->u.tmf.lun; | |
2321 | ||
2322 | tsk->entry_type = TSK_MGMT_IOCB_TYPE; | |
2323 | tsk->entry_count = 1; | |
2324 | tsk->handle = MAKE_HANDLE(req->id, tsk->handle); | |
2325 | tsk->nport_handle = cpu_to_le16(fcport->loop_id); | |
2326 | tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2); | |
2327 | tsk->control_flags = cpu_to_le32(flags); | |
2328 | tsk->port_id[0] = fcport->d_id.b.al_pa; | |
2329 | tsk->port_id[1] = fcport->d_id.b.area; | |
2330 | tsk->port_id[2] = fcport->d_id.b.domain; | |
c6d39e23 | 2331 | tsk->vp_index = fcport->vha->vp_idx; |
3822263e MI |
2332 | |
2333 | if (flags == TCF_LUN_RESET) { | |
2334 | int_to_scsilun(lun, &tsk->lun); | |
2335 | host_to_fcp_swap((uint8_t *)&tsk->lun, | |
2336 | sizeof(tsk->lun)); | |
2337 | } | |
2338 | } | |
2339 | ||
6eb54715 | 2340 | static void |
25ff6af1 | 2341 | qla2x00_els_dcmd_sp_free(void *data) |
6eb54715 | 2342 | { |
25ff6af1 | 2343 | srb_t *sp = data; |
6eb54715 HM |
2344 | struct srb_iocb *elsio = &sp->u.iocb_cmd; |
2345 | ||
2346 | kfree(sp->fcport); | |
2347 | ||
2348 | if (elsio->u.els_logo.els_logo_pyld) | |
25ff6af1 | 2349 | dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE, |
6eb54715 HM |
2350 | elsio->u.els_logo.els_logo_pyld, |
2351 | elsio->u.els_logo.els_logo_pyld_dma); | |
2352 | ||
2353 | del_timer(&elsio->timer); | |
25ff6af1 | 2354 | qla2x00_rel_sp(sp); |
6eb54715 HM |
2355 | } |
2356 | ||
2357 | static void | |
2358 | qla2x00_els_dcmd_iocb_timeout(void *data) | |
2359 | { | |
25ff6af1 | 2360 | srb_t *sp = data; |
6eb54715 | 2361 | fc_port_t *fcport = sp->fcport; |
25ff6af1 | 2362 | struct scsi_qla_host *vha = sp->vha; |
6eb54715 | 2363 | struct qla_hw_data *ha = vha->hw; |
25ff6af1 | 2364 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
6eb54715 HM |
2365 | unsigned long flags = 0; |
2366 | ||
2367 | ql_dbg(ql_dbg_io, vha, 0x3069, | |
2368 | "%s Timeout, hdl=%x, portid=%02x%02x%02x\n", | |
2369 | sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, | |
2370 | fcport->d_id.b.al_pa); | |
2371 | ||
2372 | /* Abort the exchange */ | |
2373 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2374 | if (ha->isp_ops->abort_command(sp)) { | |
2375 | ql_dbg(ql_dbg_io, vha, 0x3070, | |
2376 | "mbx abort_command failed.\n"); | |
2377 | } else { | |
2378 | ql_dbg(ql_dbg_io, vha, 0x3071, | |
2379 | "mbx abort_command success.\n"); | |
2380 | } | |
2381 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2382 | ||
2383 | complete(&lio->u.els_logo.comp); | |
2384 | } | |
2385 | ||
2386 | static void | |
25ff6af1 | 2387 | qla2x00_els_dcmd_sp_done(void *ptr, int res) |
6eb54715 | 2388 | { |
25ff6af1 | 2389 | srb_t *sp = ptr; |
6eb54715 HM |
2390 | fc_port_t *fcport = sp->fcport; |
2391 | struct srb_iocb *lio = &sp->u.iocb_cmd; | |
25ff6af1 | 2392 | struct scsi_qla_host *vha = sp->vha; |
6eb54715 HM |
2393 | |
2394 | ql_dbg(ql_dbg_io, vha, 0x3072, | |
2395 | "%s hdl=%x, portid=%02x%02x%02x done\n", | |
2396 | sp->name, sp->handle, fcport->d_id.b.domain, | |
2397 | fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2398 | ||
2399 | complete(&lio->u.els_logo.comp); | |
2400 | } | |
2401 | ||
2402 | int | |
2403 | qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, | |
2404 | port_id_t remote_did) | |
2405 | { | |
2406 | srb_t *sp; | |
2407 | fc_port_t *fcport = NULL; | |
2408 | struct srb_iocb *elsio = NULL; | |
2409 | struct qla_hw_data *ha = vha->hw; | |
2410 | struct els_logo_payload logo_pyld; | |
2411 | int rval = QLA_SUCCESS; | |
2412 | ||
2413 | fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); | |
2414 | if (!fcport) { | |
2415 | ql_log(ql_log_info, vha, 0x70e5, "fcport allocation failed\n"); | |
2416 | return -ENOMEM; | |
2417 | } | |
2418 | ||
2419 | /* Alloc SRB structure */ | |
2420 | sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); | |
2421 | if (!sp) { | |
2422 | kfree(fcport); | |
2423 | ql_log(ql_log_info, vha, 0x70e6, | |
2424 | "SRB allocation failed\n"); | |
2425 | return -ENOMEM; | |
2426 | } | |
2427 | ||
2428 | elsio = &sp->u.iocb_cmd; | |
2429 | fcport->loop_id = 0xFFFF; | |
2430 | fcport->d_id.b.domain = remote_did.b.domain; | |
2431 | fcport->d_id.b.area = remote_did.b.area; | |
2432 | fcport->d_id.b.al_pa = remote_did.b.al_pa; | |
2433 | ||
2434 | ql_dbg(ql_dbg_io, vha, 0x3073, "portid=%02x%02x%02x done\n", | |
2435 | fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2436 | ||
2437 | sp->type = SRB_ELS_DCMD; | |
2438 | sp->name = "ELS_DCMD"; | |
2439 | sp->fcport = fcport; | |
2440 | qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); | |
2441 | elsio->timeout = qla2x00_els_dcmd_iocb_timeout; | |
2442 | sp->done = qla2x00_els_dcmd_sp_done; | |
2443 | sp->free = qla2x00_els_dcmd_sp_free; | |
2444 | ||
2445 | elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev, | |
2446 | DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma, | |
2447 | GFP_KERNEL); | |
2448 | ||
2449 | if (!elsio->u.els_logo.els_logo_pyld) { | |
25ff6af1 | 2450 | sp->free(sp); |
6eb54715 HM |
2451 | return QLA_FUNCTION_FAILED; |
2452 | } | |
2453 | ||
2454 | memset(&logo_pyld, 0, sizeof(struct els_logo_payload)); | |
2455 | ||
2456 | elsio->u.els_logo.els_cmd = els_opcode; | |
2457 | logo_pyld.opcode = els_opcode; | |
2458 | logo_pyld.s_id[0] = vha->d_id.b.al_pa; | |
2459 | logo_pyld.s_id[1] = vha->d_id.b.area; | |
2460 | logo_pyld.s_id[2] = vha->d_id.b.domain; | |
2461 | host_to_fcp_swap(logo_pyld.s_id, sizeof(uint32_t)); | |
2462 | memcpy(&logo_pyld.wwpn, vha->port_name, WWN_SIZE); | |
2463 | ||
2464 | memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld, | |
2465 | sizeof(struct els_logo_payload)); | |
2466 | ||
2467 | rval = qla2x00_start_sp(sp); | |
2468 | if (rval != QLA_SUCCESS) { | |
25ff6af1 | 2469 | sp->free(sp); |
6eb54715 HM |
2470 | return QLA_FUNCTION_FAILED; |
2471 | } | |
2472 | ||
2473 | ql_dbg(ql_dbg_io, vha, 0x3074, | |
2474 | "%s LOGO sent, hdl=%x, loopid=%x, portid=%02x%02x%02x.\n", | |
2475 | sp->name, sp->handle, fcport->loop_id, fcport->d_id.b.domain, | |
2476 | fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2477 | ||
2478 | wait_for_completion(&elsio->u.els_logo.comp); | |
2479 | ||
25ff6af1 | 2480 | sp->free(sp); |
6eb54715 HM |
2481 | return rval; |
2482 | } | |
2483 | ||
2484 | static void | |
2485 | qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) | |
2486 | { | |
25ff6af1 | 2487 | scsi_qla_host_t *vha = sp->vha; |
6eb54715 HM |
2488 | struct srb_iocb *elsio = &sp->u.iocb_cmd; |
2489 | ||
2490 | els_iocb->entry_type = ELS_IOCB_TYPE; | |
2491 | els_iocb->entry_count = 1; | |
2492 | els_iocb->sys_define = 0; | |
2493 | els_iocb->entry_status = 0; | |
2494 | els_iocb->handle = sp->handle; | |
2495 | els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2496 | els_iocb->tx_dsd_count = 1; | |
2497 | els_iocb->vp_index = vha->vp_idx; | |
2498 | els_iocb->sof_type = EST_SOFI3; | |
2499 | els_iocb->rx_dsd_count = 0; | |
2500 | els_iocb->opcode = elsio->u.els_logo.els_cmd; | |
2501 | ||
2502 | els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2503 | els_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
2504 | els_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
2505 | els_iocb->control_flags = 0; | |
2506 | ||
2507 | els_iocb->tx_byte_count = sizeof(struct els_logo_payload); | |
2508 | els_iocb->tx_address[0] = | |
2509 | cpu_to_le32(LSD(elsio->u.els_logo.els_logo_pyld_dma)); | |
2510 | els_iocb->tx_address[1] = | |
2511 | cpu_to_le32(MSD(elsio->u.els_logo.els_logo_pyld_dma)); | |
2512 | els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload)); | |
2513 | ||
2514 | els_iocb->rx_byte_count = 0; | |
2515 | els_iocb->rx_address[0] = 0; | |
2516 | els_iocb->rx_address[1] = 0; | |
2517 | els_iocb->rx_len = 0; | |
2518 | ||
25ff6af1 | 2519 | sp->vha->qla_stats.control_requests++; |
6eb54715 HM |
2520 | } |
2521 | ||
9a069e19 GM |
2522 | static void |
2523 | qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) | |
2524 | { | |
75cc8cfc | 2525 | struct bsg_job *bsg_job = sp->u.bsg_job; |
01e0e15c | 2526 | struct fc_bsg_request *bsg_request = bsg_job->request; |
9a069e19 GM |
2527 | |
2528 | els_iocb->entry_type = ELS_IOCB_TYPE; | |
2529 | els_iocb->entry_count = 1; | |
2530 | els_iocb->sys_define = 0; | |
2531 | els_iocb->entry_status = 0; | |
2532 | els_iocb->handle = sp->handle; | |
2533 | els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
ad950360 | 2534 | els_iocb->tx_dsd_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); |
25ff6af1 | 2535 | els_iocb->vp_index = sp->vha->vp_idx; |
9a069e19 | 2536 | els_iocb->sof_type = EST_SOFI3; |
ad950360 | 2537 | els_iocb->rx_dsd_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); |
9a069e19 | 2538 | |
4916392b | 2539 | els_iocb->opcode = |
9ba56b95 | 2540 | sp->type == SRB_ELS_CMD_RPT ? |
01e0e15c JT |
2541 | bsg_request->rqst_data.r_els.els_code : |
2542 | bsg_request->rqst_data.h_els.command_code; | |
9a069e19 GM |
2543 | els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; |
2544 | els_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
2545 | els_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
2546 | els_iocb->control_flags = 0; | |
2547 | els_iocb->rx_byte_count = | |
2548 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2549 | els_iocb->tx_byte_count = | |
2550 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2551 | ||
2552 | els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2553 | (bsg_job->request_payload.sg_list))); | |
2554 | els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2555 | (bsg_job->request_payload.sg_list))); | |
2556 | els_iocb->tx_len = cpu_to_le32(sg_dma_len | |
2557 | (bsg_job->request_payload.sg_list)); | |
2558 | ||
2559 | els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2560 | (bsg_job->reply_payload.sg_list))); | |
2561 | els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2562 | (bsg_job->reply_payload.sg_list))); | |
2563 | els_iocb->rx_len = cpu_to_le32(sg_dma_len | |
2564 | (bsg_job->reply_payload.sg_list)); | |
fabbb8df | 2565 | |
25ff6af1 | 2566 | sp->vha->qla_stats.control_requests++; |
9a069e19 GM |
2567 | } |
2568 | ||
9bc4f4fb HZ |
2569 | static void |
2570 | qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) | |
2571 | { | |
2572 | uint16_t avail_dsds; | |
2573 | uint32_t *cur_dsd; | |
2574 | struct scatterlist *sg; | |
2575 | int index; | |
2576 | uint16_t tot_dsds; | |
25ff6af1 | 2577 | scsi_qla_host_t *vha = sp->vha; |
9bc4f4fb | 2578 | struct qla_hw_data *ha = vha->hw; |
75cc8cfc | 2579 | struct bsg_job *bsg_job = sp->u.bsg_job; |
9bc4f4fb | 2580 | int loop_iterartion = 0; |
9bc4f4fb HZ |
2581 | int entry_count = 1; |
2582 | ||
2583 | memset(ct_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2584 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
2585 | ct_iocb->entry_status = 0; | |
2586 | ct_iocb->handle1 = sp->handle; | |
2587 | SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id); | |
ad950360 BVA |
2588 | ct_iocb->status = cpu_to_le16(0); |
2589 | ct_iocb->control_flags = cpu_to_le16(0); | |
9bc4f4fb HZ |
2590 | ct_iocb->timeout = 0; |
2591 | ct_iocb->cmd_dsd_count = | |
ad950360 | 2592 | cpu_to_le16(bsg_job->request_payload.sg_cnt); |
9bc4f4fb | 2593 | ct_iocb->total_dsd_count = |
ad950360 | 2594 | cpu_to_le16(bsg_job->request_payload.sg_cnt + 1); |
9bc4f4fb HZ |
2595 | ct_iocb->req_bytecount = |
2596 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2597 | ct_iocb->rsp_bytecount = | |
2598 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2599 | ||
2600 | ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2601 | (bsg_job->request_payload.sg_list))); | |
2602 | ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2603 | (bsg_job->request_payload.sg_list))); | |
2604 | ct_iocb->dseg_req_length = ct_iocb->req_bytecount; | |
2605 | ||
2606 | ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2607 | (bsg_job->reply_payload.sg_list))); | |
2608 | ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2609 | (bsg_job->reply_payload.sg_list))); | |
2610 | ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount; | |
2611 | ||
2612 | avail_dsds = 1; | |
2613 | cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address; | |
2614 | index = 0; | |
2615 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
2616 | ||
2617 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
2618 | dma_addr_t sle_dma; | |
2619 | cont_a64_entry_t *cont_pkt; | |
2620 | ||
2621 | /* Allocate additional continuation packets? */ | |
2622 | if (avail_dsds == 0) { | |
2623 | /* | |
2624 | * Five DSDs are available in the Cont. | |
2625 | * Type 1 IOCB. | |
2626 | */ | |
0d2aa38e GM |
2627 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, |
2628 | vha->hw->req_q_map[0]); | |
9bc4f4fb HZ |
2629 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; |
2630 | avail_dsds = 5; | |
9bc4f4fb HZ |
2631 | entry_count++; |
2632 | } | |
2633 | ||
2634 | sle_dma = sg_dma_address(sg); | |
2635 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
2636 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
2637 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
2638 | loop_iterartion++; | |
2639 | avail_dsds--; | |
2640 | } | |
2641 | ct_iocb->entry_count = entry_count; | |
fabbb8df | 2642 | |
25ff6af1 | 2643 | sp->vha->qla_stats.control_requests++; |
9bc4f4fb HZ |
2644 | } |
2645 | ||
9a069e19 GM |
2646 | static void |
2647 | qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) | |
2648 | { | |
2649 | uint16_t avail_dsds; | |
2650 | uint32_t *cur_dsd; | |
2651 | struct scatterlist *sg; | |
2652 | int index; | |
2653 | uint16_t tot_dsds; | |
25ff6af1 | 2654 | scsi_qla_host_t *vha = sp->vha; |
0d2aa38e | 2655 | struct qla_hw_data *ha = vha->hw; |
75cc8cfc | 2656 | struct bsg_job *bsg_job = sp->u.bsg_job; |
9a069e19 | 2657 | int loop_iterartion = 0; |
9a069e19 GM |
2658 | int entry_count = 1; |
2659 | ||
2660 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
2661 | ct_iocb->entry_status = 0; | |
2662 | ct_iocb->sys_define = 0; | |
2663 | ct_iocb->handle = sp->handle; | |
2664 | ||
2665 | ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
25ff6af1 | 2666 | ct_iocb->vp_index = sp->vha->vp_idx; |
ad950360 | 2667 | ct_iocb->comp_status = cpu_to_le16(0); |
9a069e19 GM |
2668 | |
2669 | ct_iocb->cmd_dsd_count = | |
ad950360 | 2670 | cpu_to_le16(bsg_job->request_payload.sg_cnt); |
9a069e19 GM |
2671 | ct_iocb->timeout = 0; |
2672 | ct_iocb->rsp_dsd_count = | |
ad950360 | 2673 | cpu_to_le16(bsg_job->reply_payload.sg_cnt); |
9a069e19 GM |
2674 | ct_iocb->rsp_byte_count = |
2675 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2676 | ct_iocb->cmd_byte_count = | |
2677 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2678 | ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2679 | (bsg_job->request_payload.sg_list))); | |
2680 | ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2681 | (bsg_job->request_payload.sg_list))); | |
2682 | ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len | |
2683 | (bsg_job->request_payload.sg_list)); | |
2684 | ||
2685 | avail_dsds = 1; | |
2686 | cur_dsd = (uint32_t *)ct_iocb->dseg_1_address; | |
2687 | index = 0; | |
2688 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
2689 | ||
2690 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
2691 | dma_addr_t sle_dma; | |
2692 | cont_a64_entry_t *cont_pkt; | |
2693 | ||
2694 | /* Allocate additional continuation packets? */ | |
2695 | if (avail_dsds == 0) { | |
2696 | /* | |
2697 | * Five DSDs are available in the Cont. | |
2698 | * Type 1 IOCB. | |
2699 | */ | |
0d2aa38e GM |
2700 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, |
2701 | ha->req_q_map[0]); | |
9a069e19 GM |
2702 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; |
2703 | avail_dsds = 5; | |
9a069e19 GM |
2704 | entry_count++; |
2705 | } | |
2706 | ||
2707 | sle_dma = sg_dma_address(sg); | |
2708 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
2709 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
2710 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
2711 | loop_iterartion++; | |
2712 | avail_dsds--; | |
2713 | } | |
2714 | ct_iocb->entry_count = entry_count; | |
2715 | } | |
2716 | ||
5162cf0c GM |
2717 | /* |
2718 | * qla82xx_start_scsi() - Send a SCSI command to the ISP | |
2719 | * @sp: command to send to the ISP | |
2720 | * | |
2721 | * Returns non-zero if a failure occurred, else zero. | |
2722 | */ | |
2723 | int | |
2724 | qla82xx_start_scsi(srb_t *sp) | |
2725 | { | |
52c82823 | 2726 | int nseg; |
5162cf0c GM |
2727 | unsigned long flags; |
2728 | struct scsi_cmnd *cmd; | |
2729 | uint32_t *clr_ptr; | |
2730 | uint32_t index; | |
2731 | uint32_t handle; | |
2732 | uint16_t cnt; | |
2733 | uint16_t req_cnt; | |
2734 | uint16_t tot_dsds; | |
2735 | struct device_reg_82xx __iomem *reg; | |
2736 | uint32_t dbval; | |
2737 | uint32_t *fcp_dl; | |
2738 | uint8_t additional_cdb_len; | |
2739 | struct ct6_dsd *ctx; | |
25ff6af1 | 2740 | struct scsi_qla_host *vha = sp->vha; |
5162cf0c GM |
2741 | struct qla_hw_data *ha = vha->hw; |
2742 | struct req_que *req = NULL; | |
2743 | struct rsp_que *rsp = NULL; | |
5162cf0c GM |
2744 | |
2745 | /* Setup device pointers. */ | |
5162cf0c | 2746 | reg = &ha->iobase->isp82; |
9ba56b95 | 2747 | cmd = GET_CMD_SP(sp); |
5162cf0c GM |
2748 | req = vha->req; |
2749 | rsp = ha->rsp_q_map[0]; | |
2750 | ||
2751 | /* So we know we haven't pci_map'ed anything yet */ | |
2752 | tot_dsds = 0; | |
2753 | ||
2754 | dbval = 0x04 | (ha->portnum << 5); | |
2755 | ||
2756 | /* Send marker if required */ | |
2757 | if (vha->marker_needed != 0) { | |
2758 | if (qla2x00_marker(vha, req, | |
2759 | rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) { | |
2760 | ql_log(ql_log_warn, vha, 0x300c, | |
2761 | "qla2x00_marker failed for cmd=%p.\n", cmd); | |
2762 | return QLA_FUNCTION_FAILED; | |
2763 | } | |
2764 | vha->marker_needed = 0; | |
2765 | } | |
2766 | ||
2767 | /* Acquire ring specific lock */ | |
2768 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2769 | ||
2770 | /* Check for room in outstanding command list. */ | |
2771 | handle = req->current_outstanding_cmd; | |
8d93f550 | 2772 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
5162cf0c | 2773 | handle++; |
8d93f550 | 2774 | if (handle == req->num_outstanding_cmds) |
5162cf0c GM |
2775 | handle = 1; |
2776 | if (!req->outstanding_cmds[handle]) | |
2777 | break; | |
2778 | } | |
8d93f550 | 2779 | if (index == req->num_outstanding_cmds) |
5162cf0c GM |
2780 | goto queuing_error; |
2781 | ||
2782 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2783 | if (scsi_sg_count(cmd)) { | |
2784 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
2785 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
2786 | if (unlikely(!nseg)) | |
2787 | goto queuing_error; | |
2788 | } else | |
2789 | nseg = 0; | |
2790 | ||
2791 | tot_dsds = nseg; | |
2792 | ||
2793 | if (tot_dsds > ql2xshiftctondsd) { | |
2794 | struct cmd_type_6 *cmd_pkt; | |
2795 | uint16_t more_dsd_lists = 0; | |
2796 | struct dsd_dma *dsd_ptr; | |
2797 | uint16_t i; | |
2798 | ||
2799 | more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds); | |
2800 | if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) { | |
2801 | ql_dbg(ql_dbg_io, vha, 0x300d, | |
2802 | "Num of DSD list %d is than %d for cmd=%p.\n", | |
2803 | more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN, | |
2804 | cmd); | |
2805 | goto queuing_error; | |
2806 | } | |
2807 | ||
2808 | if (more_dsd_lists <= ha->gbl_dsd_avail) | |
2809 | goto sufficient_dsds; | |
2810 | else | |
2811 | more_dsd_lists -= ha->gbl_dsd_avail; | |
2812 | ||
2813 | for (i = 0; i < more_dsd_lists; i++) { | |
2814 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
2815 | if (!dsd_ptr) { | |
2816 | ql_log(ql_log_fatal, vha, 0x300e, | |
2817 | "Failed to allocate memory for dsd_dma " | |
2818 | "for cmd=%p.\n", cmd); | |
2819 | goto queuing_error; | |
2820 | } | |
2821 | ||
2822 | dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, | |
2823 | GFP_ATOMIC, &dsd_ptr->dsd_list_dma); | |
2824 | if (!dsd_ptr->dsd_addr) { | |
2825 | kfree(dsd_ptr); | |
2826 | ql_log(ql_log_fatal, vha, 0x300f, | |
2827 | "Failed to allocate memory for dsd_addr " | |
2828 | "for cmd=%p.\n", cmd); | |
2829 | goto queuing_error; | |
2830 | } | |
2831 | list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); | |
2832 | ha->gbl_dsd_avail++; | |
2833 | } | |
2834 | ||
2835 | sufficient_dsds: | |
2836 | req_cnt = 1; | |
2837 | ||
2838 | if (req->cnt < (req_cnt + 2)) { | |
2839 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2840 | ®->req_q_out[0]); | |
2841 | if (req->ring_index < cnt) | |
2842 | req->cnt = cnt - req->ring_index; | |
2843 | else | |
2844 | req->cnt = req->length - | |
2845 | (req->ring_index - cnt); | |
a6eb3c9f CL |
2846 | if (req->cnt < (req_cnt + 2)) |
2847 | goto queuing_error; | |
5162cf0c GM |
2848 | } |
2849 | ||
9ba56b95 GM |
2850 | ctx = sp->u.scmd.ctx = |
2851 | mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); | |
2852 | if (!ctx) { | |
5162cf0c GM |
2853 | ql_log(ql_log_fatal, vha, 0x3010, |
2854 | "Failed to allocate ctx for cmd=%p.\n", cmd); | |
2855 | goto queuing_error; | |
2856 | } | |
9ba56b95 | 2857 | |
5162cf0c GM |
2858 | memset(ctx, 0, sizeof(struct ct6_dsd)); |
2859 | ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, | |
2860 | GFP_ATOMIC, &ctx->fcp_cmnd_dma); | |
2861 | if (!ctx->fcp_cmnd) { | |
2862 | ql_log(ql_log_fatal, vha, 0x3011, | |
2863 | "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd); | |
841f97bf | 2864 | goto queuing_error; |
5162cf0c GM |
2865 | } |
2866 | ||
2867 | /* Initialize the DSD list and dma handle */ | |
2868 | INIT_LIST_HEAD(&ctx->dsd_list); | |
2869 | ctx->dsd_use_cnt = 0; | |
2870 | ||
2871 | if (cmd->cmd_len > 16) { | |
2872 | additional_cdb_len = cmd->cmd_len - 16; | |
2873 | if ((cmd->cmd_len % 4) != 0) { | |
2874 | /* SCSI command bigger than 16 bytes must be | |
2875 | * multiple of 4 | |
2876 | */ | |
2877 | ql_log(ql_log_warn, vha, 0x3012, | |
2878 | "scsi cmd len %d not multiple of 4 " | |
2879 | "for cmd=%p.\n", cmd->cmd_len, cmd); | |
2880 | goto queuing_error_fcp_cmnd; | |
2881 | } | |
2882 | ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
2883 | } else { | |
2884 | additional_cdb_len = 0; | |
2885 | ctx->fcp_cmnd_len = 12 + 16 + 4; | |
2886 | } | |
2887 | ||
2888 | cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; | |
2889 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2890 | ||
2891 | /* Zero out remaining portion of packet. */ | |
2892 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ | |
2893 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2894 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2895 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2896 | ||
2897 | /* Set NPORT-ID and LUN number*/ | |
2898 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2899 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2900 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2901 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2902 | cmd_pkt->vp_index = sp->vha->vp_idx; |
5162cf0c GM |
2903 | |
2904 | /* Build IOCB segments */ | |
2905 | if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) | |
2906 | goto queuing_error_fcp_cmnd; | |
2907 | ||
9ba56b95 | 2908 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
5162cf0c GM |
2909 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
2910 | ||
2911 | /* build FCP_CMND IU */ | |
2912 | memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); | |
9ba56b95 | 2913 | int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); |
5162cf0c GM |
2914 | ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; |
2915 | ||
2916 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
2917 | ctx->fcp_cmnd->additional_cdb_len |= 1; | |
2918 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
2919 | ctx->fcp_cmnd->additional_cdb_len |= 2; | |
2920 | ||
a00f6296 SK |
2921 | /* Populate the FCP_PRIO. */ |
2922 | if (ha->flags.fcp_prio_enabled) | |
2923 | ctx->fcp_cmnd->task_attribute |= | |
2924 | sp->fcport->fcp_prio << 3; | |
2925 | ||
5162cf0c GM |
2926 | memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); |
2927 | ||
2928 | fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + | |
2929 | additional_cdb_len); | |
2930 | *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); | |
2931 | ||
2932 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); | |
2933 | cmd_pkt->fcp_cmnd_dseg_address[0] = | |
2934 | cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); | |
2935 | cmd_pkt->fcp_cmnd_dseg_address[1] = | |
2936 | cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); | |
2937 | ||
2938 | sp->flags |= SRB_FCP_CMND_DMA_VALID; | |
2939 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
2940 | /* Set total data segment count. */ | |
2941 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2942 | /* Specify response queue number where | |
2943 | * completion should happen | |
2944 | */ | |
2945 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
2946 | } else { | |
2947 | struct cmd_type_7 *cmd_pkt; | |
2948 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
2949 | if (req->cnt < (req_cnt + 2)) { | |
2950 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2951 | ®->req_q_out[0]); | |
2952 | if (req->ring_index < cnt) | |
2953 | req->cnt = cnt - req->ring_index; | |
2954 | else | |
2955 | req->cnt = req->length - | |
2956 | (req->ring_index - cnt); | |
2957 | } | |
2958 | if (req->cnt < (req_cnt + 2)) | |
2959 | goto queuing_error; | |
2960 | ||
2961 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; | |
2962 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2963 | ||
2964 | /* Zero out remaining portion of packet. */ | |
2965 | /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ | |
2966 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2967 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2968 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2969 | ||
2970 | /* Set NPORT-ID and LUN number*/ | |
2971 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2972 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2973 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2974 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2975 | cmd_pkt->vp_index = sp->vha->vp_idx; |
5162cf0c | 2976 | |
9ba56b95 | 2977 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
5162cf0c | 2978 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, |
9ba56b95 | 2979 | sizeof(cmd_pkt->lun)); |
5162cf0c | 2980 | |
a00f6296 SK |
2981 | /* Populate the FCP_PRIO. */ |
2982 | if (ha->flags.fcp_prio_enabled) | |
2983 | cmd_pkt->task |= sp->fcport->fcp_prio << 3; | |
2984 | ||
5162cf0c GM |
2985 | /* Load SCSI command packet. */ |
2986 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
2987 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
2988 | ||
2989 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
2990 | ||
2991 | /* Build IOCB segments */ | |
d7459527 | 2992 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); |
5162cf0c GM |
2993 | |
2994 | /* Set total data segment count. */ | |
2995 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2996 | /* Specify response queue number where | |
2997 | * completion should happen. | |
2998 | */ | |
2999 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
3000 | ||
3001 | } | |
3002 | /* Build command packet. */ | |
3003 | req->current_outstanding_cmd = handle; | |
3004 | req->outstanding_cmds[handle] = sp; | |
3005 | sp->handle = handle; | |
9ba56b95 | 3006 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
5162cf0c GM |
3007 | req->cnt -= req_cnt; |
3008 | wmb(); | |
3009 | ||
3010 | /* Adjust ring index. */ | |
3011 | req->ring_index++; | |
3012 | if (req->ring_index == req->length) { | |
3013 | req->ring_index = 0; | |
3014 | req->ring_ptr = req->ring; | |
3015 | } else | |
3016 | req->ring_ptr++; | |
3017 | ||
3018 | sp->flags |= SRB_DMA_VALID; | |
3019 | ||
3020 | /* Set chip new ring index. */ | |
3021 | /* write, read and verify logic */ | |
3022 | dbval = dbval | (req->id << 8) | (req->ring_index << 16); | |
3023 | if (ql2xdbwr) | |
8dfa4b5a | 3024 | qla82xx_wr_32(ha, (uintptr_t __force)ha->nxdb_wr_ptr, dbval); |
5162cf0c | 3025 | else { |
8dfa4b5a | 3026 | WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval); |
5162cf0c | 3027 | wmb(); |
8dfa4b5a BVA |
3028 | while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { |
3029 | WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval); | |
5162cf0c GM |
3030 | wmb(); |
3031 | } | |
3032 | } | |
3033 | ||
3034 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
3035 | if (vha->flags.process_response_queue && | |
3036 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
3037 | qla24xx_process_response_queue(vha, rsp); | |
3038 | ||
3039 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3040 | return QLA_SUCCESS; | |
3041 | ||
3042 | queuing_error_fcp_cmnd: | |
3043 | dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); | |
3044 | queuing_error: | |
3045 | if (tot_dsds) | |
3046 | scsi_dma_unmap(cmd); | |
3047 | ||
9ba56b95 GM |
3048 | if (sp->u.scmd.ctx) { |
3049 | mempool_free(sp->u.scmd.ctx, ha->ctx_mempool); | |
3050 | sp->u.scmd.ctx = NULL; | |
5162cf0c GM |
3051 | } |
3052 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3053 | ||
3054 | return QLA_FUNCTION_FAILED; | |
3055 | } | |
3056 | ||
6d78e557 | 3057 | static void |
4440e46d AB |
3058 | qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb) |
3059 | { | |
3060 | struct srb_iocb *aio = &sp->u.iocb_cmd; | |
25ff6af1 | 3061 | scsi_qla_host_t *vha = sp->vha; |
4440e46d AB |
3062 | struct req_que *req = vha->req; |
3063 | ||
3064 | memset(abt_iocb, 0, sizeof(struct abort_entry_24xx)); | |
3065 | abt_iocb->entry_type = ABORT_IOCB_TYPE; | |
3066 | abt_iocb->entry_count = 1; | |
3067 | abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle)); | |
3068 | abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
3069 | abt_iocb->handle_to_abort = | |
3070 | cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl)); | |
3071 | abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; | |
3072 | abt_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
3073 | abt_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
3074 | abt_iocb->vp_index = vha->vp_idx; | |
3075 | abt_iocb->req_que_no = cpu_to_le16(req->id); | |
3076 | /* Send the command to the firmware */ | |
3077 | wmb(); | |
3078 | } | |
3079 | ||
726b8548 QT |
3080 | static void |
3081 | qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx) | |
3082 | { | |
3083 | int i, sz; | |
3084 | ||
3085 | mbx->entry_type = MBX_IOCB_TYPE; | |
3086 | mbx->handle = sp->handle; | |
3087 | sz = min(ARRAY_SIZE(mbx->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.out_mb)); | |
3088 | ||
3089 | for (i = 0; i < sz; i++) | |
3090 | mbx->mb[i] = cpu_to_le16(sp->u.iocb_cmd.u.mbx.out_mb[i]); | |
3091 | } | |
3092 | ||
3093 | static void | |
3094 | qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt) | |
3095 | { | |
3096 | sp->u.iocb_cmd.u.ctarg.iocb = ct_pkt; | |
3097 | qla24xx_prep_ms_iocb(sp->vha, &sp->u.iocb_cmd.u.ctarg); | |
3098 | ct_pkt->handle = sp->handle; | |
3099 | } | |
3100 | ||
3101 | static void qla2x00_send_notify_ack_iocb(srb_t *sp, | |
3102 | struct nack_to_isp *nack) | |
3103 | { | |
3104 | struct imm_ntfy_from_isp *ntfy = sp->u.iocb_cmd.u.nack.ntfy; | |
3105 | ||
3106 | nack->entry_type = NOTIFY_ACK_TYPE; | |
3107 | nack->entry_count = 1; | |
3108 | nack->ox_id = ntfy->ox_id; | |
3109 | ||
3110 | nack->u.isp24.handle = sp->handle; | |
3111 | nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle; | |
3112 | if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) { | |
3113 | nack->u.isp24.flags = ntfy->u.isp24.flags & | |
3114 | cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB); | |
3115 | } | |
3116 | nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id; | |
3117 | nack->u.isp24.status = ntfy->u.isp24.status; | |
3118 | nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode; | |
3119 | nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle; | |
3120 | nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address; | |
3121 | nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs; | |
3122 | nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui; | |
3123 | nack->u.isp24.srr_flags = 0; | |
3124 | nack->u.isp24.srr_reject_code = 0; | |
3125 | nack->u.isp24.srr_reject_code_expl = 0; | |
3126 | nack->u.isp24.vp_index = ntfy->u.isp24.vp_index; | |
3127 | } | |
3128 | ||
ac280b67 AV |
3129 | int |
3130 | qla2x00_start_sp(srb_t *sp) | |
3131 | { | |
3132 | int rval; | |
25ff6af1 | 3133 | scsi_qla_host_t *vha = sp->vha; |
726b8548 | 3134 | struct qla_hw_data *ha = vha->hw; |
ac280b67 | 3135 | void *pkt; |
ac280b67 AV |
3136 | unsigned long flags; |
3137 | ||
3138 | rval = QLA_FUNCTION_FAILED; | |
3139 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
726b8548 | 3140 | pkt = qla2x00_alloc_iocbs(vha, sp); |
7c3df132 | 3141 | if (!pkt) { |
726b8548 | 3142 | ql_log(ql_log_warn, vha, 0x700c, |
7c3df132 | 3143 | "qla2x00_alloc_iocbs failed.\n"); |
ac280b67 | 3144 | goto done; |
7c3df132 | 3145 | } |
ac280b67 AV |
3146 | |
3147 | rval = QLA_SUCCESS; | |
9ba56b95 | 3148 | switch (sp->type) { |
ac280b67 AV |
3149 | case SRB_LOGIN_CMD: |
3150 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 3151 | qla24xx_login_iocb(sp, pkt) : |
ac280b67 AV |
3152 | qla2x00_login_iocb(sp, pkt); |
3153 | break; | |
3154 | case SRB_LOGOUT_CMD: | |
3155 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 3156 | qla24xx_logout_iocb(sp, pkt) : |
ac280b67 AV |
3157 | qla2x00_logout_iocb(sp, pkt); |
3158 | break; | |
9a069e19 GM |
3159 | case SRB_ELS_CMD_RPT: |
3160 | case SRB_ELS_CMD_HST: | |
3161 | qla24xx_els_iocb(sp, pkt); | |
3162 | break; | |
3163 | case SRB_CT_CMD: | |
9bc4f4fb | 3164 | IS_FWI2_CAPABLE(ha) ? |
5780790e AV |
3165 | qla24xx_ct_iocb(sp, pkt) : |
3166 | qla2x00_ct_iocb(sp, pkt); | |
9a069e19 | 3167 | break; |
5ff1d584 AV |
3168 | case SRB_ADISC_CMD: |
3169 | IS_FWI2_CAPABLE(ha) ? | |
3170 | qla24xx_adisc_iocb(sp, pkt) : | |
3171 | qla2x00_adisc_iocb(sp, pkt); | |
3172 | break; | |
3822263e | 3173 | case SRB_TM_CMD: |
8ae6d9c7 GM |
3174 | IS_QLAFX00(ha) ? |
3175 | qlafx00_tm_iocb(sp, pkt) : | |
3176 | qla24xx_tm_iocb(sp, pkt); | |
3177 | break; | |
3178 | case SRB_FXIOCB_DCMD: | |
3179 | case SRB_FXIOCB_BCMD: | |
3180 | qlafx00_fxdisc_iocb(sp, pkt); | |
3181 | break; | |
3182 | case SRB_ABT_CMD: | |
4440e46d AB |
3183 | IS_QLAFX00(ha) ? |
3184 | qlafx00_abort_iocb(sp, pkt) : | |
3185 | qla24xx_abort_iocb(sp, pkt); | |
3822263e | 3186 | break; |
6eb54715 HM |
3187 | case SRB_ELS_DCMD: |
3188 | qla24xx_els_logo_iocb(sp, pkt); | |
3189 | break; | |
726b8548 QT |
3190 | case SRB_CT_PTHRU_CMD: |
3191 | qla2x00_ctpthru_cmd_iocb(sp, pkt); | |
3192 | break; | |
3193 | case SRB_MB_IOCB: | |
3194 | qla2x00_mb_iocb(sp, pkt); | |
3195 | break; | |
3196 | case SRB_NACK_PLOGI: | |
3197 | case SRB_NACK_PRLI: | |
3198 | case SRB_NACK_LOGO: | |
3199 | qla2x00_send_notify_ack_iocb(sp, pkt); | |
3200 | break; | |
ac280b67 AV |
3201 | default: |
3202 | break; | |
3203 | } | |
3204 | ||
3205 | wmb(); | |
726b8548 | 3206 | qla2x00_start_iocbs(vha, ha->req_q_map[0]); |
ac280b67 AV |
3207 | done: |
3208 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3209 | return rval; | |
3210 | } | |
a9b6f722 SK |
3211 | |
3212 | static void | |
3213 | qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha, | |
3214 | struct cmd_bidir *cmd_pkt, uint32_t tot_dsds) | |
3215 | { | |
3216 | uint16_t avail_dsds; | |
3217 | uint32_t *cur_dsd; | |
3218 | uint32_t req_data_len = 0; | |
3219 | uint32_t rsp_data_len = 0; | |
3220 | struct scatterlist *sg; | |
3221 | int index; | |
3222 | int entry_count = 1; | |
75cc8cfc | 3223 | struct bsg_job *bsg_job = sp->u.bsg_job; |
a9b6f722 SK |
3224 | |
3225 | /*Update entry type to indicate bidir command */ | |
3226 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
ad950360 | 3227 | cpu_to_le32(COMMAND_BIDIRECTIONAL); |
a9b6f722 SK |
3228 | |
3229 | /* Set the transfer direction, in this set both flags | |
3230 | * Also set the BD_WRAP_BACK flag, firmware will take care | |
3231 | * assigning DID=SID for outgoing pkts. | |
3232 | */ | |
3233 | cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); | |
3234 | cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); | |
ad950360 | 3235 | cmd_pkt->control_flags = cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA | |
a9b6f722 SK |
3236 | BD_WRAP_BACK); |
3237 | ||
3238 | req_data_len = rsp_data_len = bsg_job->request_payload.payload_len; | |
3239 | cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len); | |
3240 | cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len); | |
3241 | cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2); | |
3242 | ||
3243 | vha->bidi_stats.transfer_bytes += req_data_len; | |
3244 | vha->bidi_stats.io_count++; | |
3245 | ||
fabbb8df JC |
3246 | vha->qla_stats.output_bytes += req_data_len; |
3247 | vha->qla_stats.output_requests++; | |
3248 | ||
a9b6f722 SK |
3249 | /* Only one dsd is available for bidirectional IOCB, remaining dsds |
3250 | * are bundled in continuation iocb | |
3251 | */ | |
3252 | avail_dsds = 1; | |
3253 | cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; | |
3254 | ||
3255 | index = 0; | |
3256 | ||
3257 | for_each_sg(bsg_job->request_payload.sg_list, sg, | |
3258 | bsg_job->request_payload.sg_cnt, index) { | |
3259 | dma_addr_t sle_dma; | |
3260 | cont_a64_entry_t *cont_pkt; | |
3261 | ||
3262 | /* Allocate additional continuation packets */ | |
3263 | if (avail_dsds == 0) { | |
3264 | /* Continuation type 1 IOCB can accomodate | |
3265 | * 5 DSDS | |
3266 | */ | |
3267 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); | |
3268 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
3269 | avail_dsds = 5; | |
3270 | entry_count++; | |
3271 | } | |
3272 | sle_dma = sg_dma_address(sg); | |
3273 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
3274 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
3275 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
3276 | avail_dsds--; | |
3277 | } | |
3278 | /* For read request DSD will always goes to continuation IOCB | |
3279 | * and follow the write DSD. If there is room on the current IOCB | |
3280 | * then it is added to that IOCB else new continuation IOCB is | |
3281 | * allocated. | |
3282 | */ | |
3283 | for_each_sg(bsg_job->reply_payload.sg_list, sg, | |
3284 | bsg_job->reply_payload.sg_cnt, index) { | |
3285 | dma_addr_t sle_dma; | |
3286 | cont_a64_entry_t *cont_pkt; | |
3287 | ||
3288 | /* Allocate additional continuation packets */ | |
3289 | if (avail_dsds == 0) { | |
3290 | /* Continuation type 1 IOCB can accomodate | |
3291 | * 5 DSDS | |
3292 | */ | |
3293 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); | |
3294 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
3295 | avail_dsds = 5; | |
3296 | entry_count++; | |
3297 | } | |
3298 | sle_dma = sg_dma_address(sg); | |
3299 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
3300 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
3301 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
3302 | avail_dsds--; | |
3303 | } | |
3304 | /* This value should be same as number of IOCB required for this cmd */ | |
3305 | cmd_pkt->entry_count = entry_count; | |
3306 | } | |
3307 | ||
3308 | int | |
3309 | qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) | |
3310 | { | |
3311 | ||
3312 | struct qla_hw_data *ha = vha->hw; | |
3313 | unsigned long flags; | |
3314 | uint32_t handle; | |
3315 | uint32_t index; | |
3316 | uint16_t req_cnt; | |
3317 | uint16_t cnt; | |
3318 | uint32_t *clr_ptr; | |
3319 | struct cmd_bidir *cmd_pkt = NULL; | |
3320 | struct rsp_que *rsp; | |
3321 | struct req_que *req; | |
3322 | int rval = EXT_STATUS_OK; | |
a9b6f722 SK |
3323 | |
3324 | rval = QLA_SUCCESS; | |
3325 | ||
3326 | rsp = ha->rsp_q_map[0]; | |
3327 | req = vha->req; | |
3328 | ||
3329 | /* Send marker if required */ | |
3330 | if (vha->marker_needed != 0) { | |
3331 | if (qla2x00_marker(vha, req, | |
3332 | rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) | |
3333 | return EXT_STATUS_MAILBOX; | |
3334 | vha->marker_needed = 0; | |
3335 | } | |
3336 | ||
3337 | /* Acquire ring specific lock */ | |
3338 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3339 | ||
3340 | /* Check for room in outstanding command list. */ | |
3341 | handle = req->current_outstanding_cmd; | |
8d93f550 | 3342 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
a9b6f722 | 3343 | handle++; |
8d2b21db BVA |
3344 | if (handle == req->num_outstanding_cmds) |
3345 | handle = 1; | |
3346 | if (!req->outstanding_cmds[handle]) | |
3347 | break; | |
a9b6f722 SK |
3348 | } |
3349 | ||
8d93f550 | 3350 | if (index == req->num_outstanding_cmds) { |
a9b6f722 SK |
3351 | rval = EXT_STATUS_BUSY; |
3352 | goto queuing_error; | |
3353 | } | |
3354 | ||
3355 | /* Calculate number of IOCB required */ | |
3356 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
3357 | ||
3358 | /* Check for room on request queue. */ | |
3359 | if (req->cnt < req_cnt + 2) { | |
7c6300e3 JC |
3360 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
3361 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
a9b6f722 SK |
3362 | if (req->ring_index < cnt) |
3363 | req->cnt = cnt - req->ring_index; | |
3364 | else | |
3365 | req->cnt = req->length - | |
3366 | (req->ring_index - cnt); | |
3367 | } | |
3368 | if (req->cnt < req_cnt + 2) { | |
3369 | rval = EXT_STATUS_BUSY; | |
3370 | goto queuing_error; | |
3371 | } | |
3372 | ||
3373 | cmd_pkt = (struct cmd_bidir *)req->ring_ptr; | |
3374 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
3375 | ||
3376 | /* Zero out remaining portion of packet. */ | |
3377 | /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ | |
3378 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
3379 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
3380 | ||
3381 | /* Set NPORT-ID (of vha)*/ | |
3382 | cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id); | |
3383 | cmd_pkt->port_id[0] = vha->d_id.b.al_pa; | |
3384 | cmd_pkt->port_id[1] = vha->d_id.b.area; | |
3385 | cmd_pkt->port_id[2] = vha->d_id.b.domain; | |
3386 | ||
3387 | qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds); | |
3388 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
3389 | /* Build command packet. */ | |
3390 | req->current_outstanding_cmd = handle; | |
3391 | req->outstanding_cmds[handle] = sp; | |
3392 | sp->handle = handle; | |
3393 | req->cnt -= req_cnt; | |
3394 | ||
3395 | /* Send the command to the firmware */ | |
3396 | wmb(); | |
3397 | qla2x00_start_iocbs(vha, req); | |
3398 | queuing_error: | |
3399 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3400 | return rval; | |
3401 | } |