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. */ | |
d63b328f QT |
467 | if (ha->mqenable || IS_QLA27XX(ha)) { |
468 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
469 | } else if (IS_QLA83XX(ha)) { | |
6246b8a1 | 470 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
98878a16 | 471 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); |
8ae6d9c7 GM |
472 | } else if (IS_QLAFX00(ha)) { |
473 | WRT_REG_DWORD(®->ispfx00.req_q_in, req->ring_index); | |
474 | RD_REG_DWORD_RELAXED(®->ispfx00.req_q_in); | |
475 | QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code); | |
5162cf0c GM |
476 | } else if (IS_FWI2_CAPABLE(ha)) { |
477 | WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); | |
478 | RD_REG_DWORD_RELAXED(®->isp24.req_q_in); | |
479 | } else { | |
480 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp), | |
481 | req->ring_index); | |
482 | RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp)); | |
483 | } | |
484 | } | |
485 | } | |
486 | ||
1da177e4 LT |
487 | /** |
488 | * qla2x00_marker() - Send a marker IOCB to the firmware. | |
489 | * @ha: HA context | |
490 | * @loop_id: loop ID | |
491 | * @lun: LUN | |
492 | * @type: marker modifier | |
493 | * | |
494 | * Can be called from both normal and interrupt context. | |
495 | * | |
cc3ef7bc | 496 | * Returns non-zero if a failure occurred, else zero. |
1da177e4 | 497 | */ |
3dbe756a | 498 | static int |
73208dfd AC |
499 | __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
500 | struct rsp_que *rsp, uint16_t loop_id, | |
9cb78c16 | 501 | uint64_t lun, uint8_t type) |
1da177e4 | 502 | { |
2b6c0cee | 503 | mrk_entry_t *mrk; |
8ae6d9c7 | 504 | struct mrk_entry_24xx *mrk24 = NULL; |
8ae6d9c7 | 505 | |
e315cd28 AC |
506 | struct qla_hw_data *ha = vha->hw; |
507 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
1da177e4 | 508 | |
99b8212c | 509 | req = ha->req_q_map[0]; |
fa492630 | 510 | mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL); |
2b6c0cee | 511 | if (mrk == NULL) { |
7c3df132 SK |
512 | ql_log(ql_log_warn, base_vha, 0x3026, |
513 | "Failed to allocate Marker IOCB.\n"); | |
1da177e4 LT |
514 | |
515 | return (QLA_FUNCTION_FAILED); | |
516 | } | |
517 | ||
2b6c0cee AV |
518 | mrk->entry_type = MARKER_TYPE; |
519 | mrk->modifier = type; | |
1da177e4 | 520 | if (type != MK_SYNC_ALL) { |
bfd7334e | 521 | if (IS_FWI2_CAPABLE(ha)) { |
2b6c0cee AV |
522 | mrk24 = (struct mrk_entry_24xx *) mrk; |
523 | mrk24->nport_handle = cpu_to_le16(loop_id); | |
9cb78c16 | 524 | int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun); |
b797b6de | 525 | host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun)); |
e315cd28 | 526 | mrk24->vp_index = vha->vp_idx; |
2afa19a9 | 527 | mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle); |
2b6c0cee AV |
528 | } else { |
529 | SET_TARGET_ID(ha, mrk->target, loop_id); | |
9cb78c16 | 530 | mrk->lun = cpu_to_le16((uint16_t)lun); |
2b6c0cee | 531 | } |
1da177e4 LT |
532 | } |
533 | wmb(); | |
534 | ||
5162cf0c | 535 | qla2x00_start_iocbs(vha, req); |
1da177e4 LT |
536 | |
537 | return (QLA_SUCCESS); | |
538 | } | |
539 | ||
fa2a1ce5 | 540 | int |
73208dfd | 541 | qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req, |
9cb78c16 | 542 | struct rsp_que *rsp, uint16_t loop_id, uint64_t lun, |
73208dfd | 543 | uint8_t type) |
1da177e4 LT |
544 | { |
545 | int ret; | |
546 | unsigned long flags = 0; | |
547 | ||
73208dfd AC |
548 | spin_lock_irqsave(&vha->hw->hardware_lock, flags); |
549 | ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type); | |
550 | spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); | |
1da177e4 LT |
551 | |
552 | return (ret); | |
553 | } | |
554 | ||
2d70c103 NB |
555 | /* |
556 | * qla2x00_issue_marker | |
557 | * | |
558 | * Issue marker | |
559 | * Caller CAN have hardware lock held as specified by ha_locked parameter. | |
560 | * Might release it, then reaquire. | |
561 | */ | |
562 | int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked) | |
563 | { | |
564 | if (ha_locked) { | |
565 | if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, | |
566 | MK_SYNC_ALL) != QLA_SUCCESS) | |
567 | return QLA_FUNCTION_FAILED; | |
568 | } else { | |
569 | if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0, | |
570 | MK_SYNC_ALL) != QLA_SUCCESS) | |
571 | return QLA_FUNCTION_FAILED; | |
572 | } | |
573 | vha->marker_needed = 0; | |
574 | ||
575 | return QLA_SUCCESS; | |
576 | } | |
577 | ||
5162cf0c GM |
578 | static inline int |
579 | qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, | |
580 | uint16_t tot_dsds) | |
581 | { | |
582 | uint32_t *cur_dsd = NULL; | |
583 | scsi_qla_host_t *vha; | |
584 | struct qla_hw_data *ha; | |
585 | struct scsi_cmnd *cmd; | |
586 | struct scatterlist *cur_seg; | |
587 | uint32_t *dsd_seg; | |
588 | void *next_dsd; | |
589 | uint8_t avail_dsds; | |
590 | uint8_t first_iocb = 1; | |
591 | uint32_t dsd_list_len; | |
592 | struct dsd_dma *dsd_ptr; | |
593 | struct ct6_dsd *ctx; | |
1da177e4 | 594 | |
9ba56b95 | 595 | cmd = GET_CMD_SP(sp); |
a9083016 | 596 | |
5162cf0c | 597 | /* Update entry type to indicate Command Type 3 IOCB */ |
ad950360 | 598 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_6); |
5162cf0c GM |
599 | |
600 | /* No data transfer */ | |
601 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { | |
ad950360 | 602 | cmd_pkt->byte_count = cpu_to_le32(0); |
5162cf0c GM |
603 | return 0; |
604 | } | |
605 | ||
25ff6af1 | 606 | vha = sp->vha; |
5162cf0c GM |
607 | ha = vha->hw; |
608 | ||
609 | /* Set transfer direction */ | |
610 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
ad950360 | 611 | cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA); |
2be21fa2 | 612 | vha->qla_stats.output_bytes += scsi_bufflen(cmd); |
fabbb8df | 613 | vha->qla_stats.output_requests++; |
5162cf0c | 614 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
ad950360 | 615 | cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA); |
2be21fa2 | 616 | vha->qla_stats.input_bytes += scsi_bufflen(cmd); |
fabbb8df | 617 | vha->qla_stats.input_requests++; |
5162cf0c GM |
618 | } |
619 | ||
620 | cur_seg = scsi_sglist(cmd); | |
9ba56b95 | 621 | ctx = GET_CMD_CTX_SP(sp); |
5162cf0c GM |
622 | |
623 | while (tot_dsds) { | |
624 | avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? | |
625 | QLA_DSDS_PER_IOCB : tot_dsds; | |
626 | tot_dsds -= avail_dsds; | |
627 | dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; | |
628 | ||
629 | dsd_ptr = list_first_entry(&ha->gbl_dsd_list, | |
630 | struct dsd_dma, list); | |
631 | next_dsd = dsd_ptr->dsd_addr; | |
632 | list_del(&dsd_ptr->list); | |
633 | ha->gbl_dsd_avail--; | |
634 | list_add_tail(&dsd_ptr->list, &ctx->dsd_list); | |
635 | ctx->dsd_use_cnt++; | |
636 | ha->gbl_dsd_inuse++; | |
637 | ||
638 | if (first_iocb) { | |
639 | first_iocb = 0; | |
640 | dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; | |
641 | *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
642 | *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
643 | cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len); | |
73208dfd | 644 | } else { |
5162cf0c GM |
645 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); |
646 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
647 | *cur_dsd++ = cpu_to_le32(dsd_list_len); | |
648 | } | |
649 | cur_dsd = (uint32_t *)next_dsd; | |
650 | while (avail_dsds) { | |
651 | dma_addr_t sle_dma; | |
652 | ||
653 | sle_dma = sg_dma_address(cur_seg); | |
654 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
655 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
656 | *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); | |
657 | cur_seg = sg_next(cur_seg); | |
658 | avail_dsds--; | |
73208dfd | 659 | } |
2b6c0cee AV |
660 | } |
661 | ||
5162cf0c GM |
662 | /* Null termination */ |
663 | *cur_dsd++ = 0; | |
664 | *cur_dsd++ = 0; | |
665 | *cur_dsd++ = 0; | |
666 | cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; | |
667 | return 0; | |
2b6c0cee AV |
668 | } |
669 | ||
5162cf0c GM |
670 | /* |
671 | * qla24xx_calc_dsd_lists() - Determine number of DSD list required | |
672 | * for Command Type 6. | |
2b6c0cee AV |
673 | * |
674 | * @dsds: number of data segment decriptors needed | |
675 | * | |
5162cf0c | 676 | * Returns the number of dsd list needed to store @dsds. |
2b6c0cee | 677 | */ |
2374dd23 | 678 | static inline uint16_t |
5162cf0c | 679 | qla24xx_calc_dsd_lists(uint16_t dsds) |
2b6c0cee | 680 | { |
5162cf0c | 681 | uint16_t dsd_lists = 0; |
2b6c0cee | 682 | |
5162cf0c GM |
683 | dsd_lists = (dsds/QLA_DSDS_PER_IOCB); |
684 | if (dsds % QLA_DSDS_PER_IOCB) | |
685 | dsd_lists++; | |
686 | return dsd_lists; | |
2b6c0cee AV |
687 | } |
688 | ||
5162cf0c | 689 | |
2b6c0cee AV |
690 | /** |
691 | * qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7 | |
692 | * IOCB types. | |
693 | * | |
694 | * @sp: SRB command to process | |
695 | * @cmd_pkt: Command type 3 IOCB | |
696 | * @tot_dsds: Total number of segments to transfer | |
d7459527 | 697 | * @req: pointer to request queue |
2b6c0cee | 698 | */ |
d7459527 | 699 | inline void |
2b6c0cee | 700 | qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, |
d7459527 | 701 | uint16_t tot_dsds, struct req_que *req) |
2b6c0cee AV |
702 | { |
703 | uint16_t avail_dsds; | |
704 | uint32_t *cur_dsd; | |
e315cd28 | 705 | scsi_qla_host_t *vha; |
2b6c0cee | 706 | struct scsi_cmnd *cmd; |
385d70b4 FT |
707 | struct scatterlist *sg; |
708 | int i; | |
2b6c0cee | 709 | |
9ba56b95 | 710 | cmd = GET_CMD_SP(sp); |
2b6c0cee AV |
711 | |
712 | /* Update entry type to indicate Command Type 3 IOCB */ | |
ad950360 | 713 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_7); |
2b6c0cee AV |
714 | |
715 | /* No data transfer */ | |
385d70b4 | 716 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 717 | cmd_pkt->byte_count = cpu_to_le32(0); |
2b6c0cee AV |
718 | return; |
719 | } | |
720 | ||
25ff6af1 | 721 | vha = sp->vha; |
2b6c0cee AV |
722 | |
723 | /* Set transfer direction */ | |
49fd462a | 724 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { |
ad950360 | 725 | cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_WRITE_DATA); |
2be21fa2 | 726 | vha->qla_stats.output_bytes += scsi_bufflen(cmd); |
fabbb8df | 727 | vha->qla_stats.output_requests++; |
49fd462a | 728 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
ad950360 | 729 | cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_READ_DATA); |
2be21fa2 | 730 | vha->qla_stats.input_bytes += scsi_bufflen(cmd); |
fabbb8df | 731 | vha->qla_stats.input_requests++; |
49fd462a | 732 | } |
2b6c0cee AV |
733 | |
734 | /* One DSD is available in the Command Type 3 IOCB */ | |
735 | avail_dsds = 1; | |
736 | cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; | |
737 | ||
738 | /* Load data segments */ | |
385d70b4 FT |
739 | |
740 | scsi_for_each_sg(cmd, sg, tot_dsds, i) { | |
741 | dma_addr_t sle_dma; | |
742 | cont_a64_entry_t *cont_pkt; | |
743 | ||
744 | /* Allocate additional continuation packets? */ | |
745 | if (avail_dsds == 0) { | |
746 | /* | |
747 | * Five DSDs are available in the Continuation | |
748 | * Type 1 IOCB. | |
749 | */ | |
d7459527 | 750 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req); |
385d70b4 FT |
751 | cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; |
752 | avail_dsds = 5; | |
2b6c0cee | 753 | } |
385d70b4 FT |
754 | |
755 | sle_dma = sg_dma_address(sg); | |
756 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
757 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
758 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
759 | avail_dsds--; | |
2b6c0cee AV |
760 | } |
761 | } | |
762 | ||
bad75002 AE |
763 | struct fw_dif_context { |
764 | uint32_t ref_tag; | |
765 | uint16_t app_tag; | |
766 | uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/ | |
767 | uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/ | |
768 | }; | |
769 | ||
770 | /* | |
771 | * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command | |
772 | * | |
773 | */ | |
774 | static inline void | |
e02587d7 | 775 | qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, |
bad75002 AE |
776 | unsigned int protcnt) |
777 | { | |
9ba56b95 | 778 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
bad75002 AE |
779 | |
780 | switch (scsi_get_prot_type(cmd)) { | |
bad75002 | 781 | case SCSI_PROT_DIF_TYPE0: |
8cb2049c AE |
782 | /* |
783 | * No check for ql2xenablehba_err_chk, as it would be an | |
784 | * I/O error if hba tag generation is not done. | |
785 | */ | |
786 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
787 | (0xffffffff & scsi_get_lba(cmd))); | |
e02587d7 AE |
788 | |
789 | if (!qla2x00_hba_err_chk_enabled(sp)) | |
790 | break; | |
791 | ||
8cb2049c AE |
792 | pkt->ref_tag_mask[0] = 0xff; |
793 | pkt->ref_tag_mask[1] = 0xff; | |
794 | pkt->ref_tag_mask[2] = 0xff; | |
795 | pkt->ref_tag_mask[3] = 0xff; | |
bad75002 AE |
796 | break; |
797 | ||
798 | /* | |
799 | * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to | |
800 | * match LBA in CDB + N | |
801 | */ | |
802 | case SCSI_PROT_DIF_TYPE2: | |
ad950360 | 803 | pkt->app_tag = cpu_to_le16(0); |
e02587d7 AE |
804 | pkt->app_tag_mask[0] = 0x0; |
805 | pkt->app_tag_mask[1] = 0x0; | |
0c470874 AE |
806 | |
807 | pkt->ref_tag = cpu_to_le32((uint32_t) | |
808 | (0xffffffff & scsi_get_lba(cmd))); | |
809 | ||
e02587d7 AE |
810 | if (!qla2x00_hba_err_chk_enabled(sp)) |
811 | break; | |
812 | ||
0c470874 AE |
813 | /* enable ALL bytes of the ref tag */ |
814 | pkt->ref_tag_mask[0] = 0xff; | |
815 | pkt->ref_tag_mask[1] = 0xff; | |
816 | pkt->ref_tag_mask[2] = 0xff; | |
817 | pkt->ref_tag_mask[3] = 0xff; | |
bad75002 AE |
818 | break; |
819 | ||
820 | /* For Type 3 protection: 16 bit GUARD only */ | |
821 | case SCSI_PROT_DIF_TYPE3: | |
822 | pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] = | |
823 | pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] = | |
824 | 0x00; | |
825 | break; | |
826 | ||
827 | /* | |
828 | * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and | |
829 | * 16 bit app tag. | |
830 | */ | |
831 | case SCSI_PROT_DIF_TYPE1: | |
e02587d7 AE |
832 | pkt->ref_tag = cpu_to_le32((uint32_t) |
833 | (0xffffffff & scsi_get_lba(cmd))); | |
ad950360 | 834 | pkt->app_tag = cpu_to_le16(0); |
e02587d7 AE |
835 | pkt->app_tag_mask[0] = 0x0; |
836 | pkt->app_tag_mask[1] = 0x0; | |
837 | ||
838 | if (!qla2x00_hba_err_chk_enabled(sp)) | |
bad75002 AE |
839 | break; |
840 | ||
bad75002 AE |
841 | /* enable ALL bytes of the ref tag */ |
842 | pkt->ref_tag_mask[0] = 0xff; | |
843 | pkt->ref_tag_mask[1] = 0xff; | |
844 | pkt->ref_tag_mask[2] = 0xff; | |
845 | pkt->ref_tag_mask[3] = 0xff; | |
846 | break; | |
847 | } | |
bad75002 AE |
848 | } |
849 | ||
d7459527 | 850 | int |
8cb2049c AE |
851 | qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, |
852 | uint32_t *partial) | |
853 | { | |
854 | struct scatterlist *sg; | |
855 | uint32_t cumulative_partial, sg_len; | |
856 | dma_addr_t sg_dma_addr; | |
857 | ||
858 | if (sgx->num_bytes == sgx->tot_bytes) | |
859 | return 0; | |
860 | ||
861 | sg = sgx->cur_sg; | |
862 | cumulative_partial = sgx->tot_partial; | |
863 | ||
864 | sg_dma_addr = sg_dma_address(sg); | |
865 | sg_len = sg_dma_len(sg); | |
866 | ||
867 | sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed; | |
868 | ||
869 | if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) { | |
870 | sgx->dma_len = (blk_sz - cumulative_partial); | |
871 | sgx->tot_partial = 0; | |
872 | sgx->num_bytes += blk_sz; | |
873 | *partial = 0; | |
874 | } else { | |
875 | sgx->dma_len = sg_len - sgx->bytes_consumed; | |
876 | sgx->tot_partial += sgx->dma_len; | |
877 | *partial = 1; | |
878 | } | |
879 | ||
880 | sgx->bytes_consumed += sgx->dma_len; | |
881 | ||
882 | if (sg_len == sgx->bytes_consumed) { | |
883 | sg = sg_next(sg); | |
884 | sgx->num_sg++; | |
885 | sgx->cur_sg = sg; | |
886 | sgx->bytes_consumed = 0; | |
887 | } | |
888 | ||
889 | return 1; | |
890 | } | |
891 | ||
f83adb61 | 892 | int |
8cb2049c | 893 | qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, |
be25152c | 894 | uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) |
8cb2049c AE |
895 | { |
896 | void *next_dsd; | |
897 | uint8_t avail_dsds = 0; | |
898 | uint32_t dsd_list_len; | |
899 | struct dsd_dma *dsd_ptr; | |
900 | struct scatterlist *sg_prot; | |
901 | uint32_t *cur_dsd = dsd; | |
902 | uint16_t used_dsds = tot_dsds; | |
f83adb61 | 903 | uint32_t prot_int; /* protection interval */ |
8cb2049c AE |
904 | uint32_t partial; |
905 | struct qla2_sgx sgx; | |
906 | dma_addr_t sle_dma; | |
907 | uint32_t sle_dma_len, tot_prot_dma_len = 0; | |
f83adb61 | 908 | struct scsi_cmnd *cmd; |
8cb2049c AE |
909 | |
910 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
f83adb61 | 911 | if (sp) { |
f83adb61 QT |
912 | cmd = GET_CMD_SP(sp); |
913 | prot_int = cmd->device->sector_size; | |
914 | ||
915 | sgx.tot_bytes = scsi_bufflen(cmd); | |
916 | sgx.cur_sg = scsi_sglist(cmd); | |
917 | sgx.sp = sp; | |
918 | ||
919 | sg_prot = scsi_prot_sglist(cmd); | |
920 | } else if (tc) { | |
f83adb61 QT |
921 | prot_int = tc->blk_sz; |
922 | sgx.tot_bytes = tc->bufflen; | |
923 | sgx.cur_sg = tc->sg; | |
924 | sg_prot = tc->prot_sg; | |
925 | } else { | |
926 | BUG(); | |
927 | return 1; | |
928 | } | |
8cb2049c AE |
929 | |
930 | while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { | |
931 | ||
932 | sle_dma = sgx.dma_addr; | |
933 | sle_dma_len = sgx.dma_len; | |
934 | alloc_and_fill: | |
935 | /* Allocate additional continuation packets? */ | |
936 | if (avail_dsds == 0) { | |
937 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
938 | QLA_DSDS_PER_IOCB : used_dsds; | |
939 | dsd_list_len = (avail_dsds + 1) * 12; | |
940 | used_dsds -= avail_dsds; | |
941 | ||
942 | /* allocate tracking DS */ | |
943 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
944 | if (!dsd_ptr) | |
945 | return 1; | |
946 | ||
947 | /* allocate new list */ | |
948 | dsd_ptr->dsd_addr = next_dsd = | |
949 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
950 | &dsd_ptr->dsd_list_dma); | |
951 | ||
952 | if (!next_dsd) { | |
953 | /* | |
954 | * Need to cleanup only this dsd_ptr, rest | |
955 | * will be done by sp_free_dma() | |
956 | */ | |
957 | kfree(dsd_ptr); | |
958 | return 1; | |
959 | } | |
960 | ||
f83adb61 QT |
961 | if (sp) { |
962 | list_add_tail(&dsd_ptr->list, | |
963 | &((struct crc_context *) | |
964 | sp->u.scmd.ctx)->dsd_list); | |
965 | ||
966 | sp->flags |= SRB_CRC_CTX_DSD_VALID; | |
967 | } else { | |
968 | list_add_tail(&dsd_ptr->list, | |
969 | &(tc->ctx->dsd_list)); | |
be25152c | 970 | *tc->ctx_dsd_alloced = 1; |
f83adb61 | 971 | } |
8cb2049c | 972 | |
8cb2049c AE |
973 | |
974 | /* add new list to cmd iocb or last list */ | |
975 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
976 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
977 | *cur_dsd++ = dsd_list_len; | |
978 | cur_dsd = (uint32_t *)next_dsd; | |
979 | } | |
980 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
981 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
982 | *cur_dsd++ = cpu_to_le32(sle_dma_len); | |
983 | avail_dsds--; | |
984 | ||
985 | if (partial == 0) { | |
986 | /* Got a full protection interval */ | |
987 | sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len; | |
988 | sle_dma_len = 8; | |
bad75002 | 989 | |
8cb2049c AE |
990 | tot_prot_dma_len += sle_dma_len; |
991 | if (tot_prot_dma_len == sg_dma_len(sg_prot)) { | |
992 | tot_prot_dma_len = 0; | |
993 | sg_prot = sg_next(sg_prot); | |
994 | } | |
995 | ||
996 | partial = 1; /* So as to not re-enter this block */ | |
997 | goto alloc_and_fill; | |
998 | } | |
999 | } | |
1000 | /* Null termination */ | |
1001 | *cur_dsd++ = 0; | |
1002 | *cur_dsd++ = 0; | |
1003 | *cur_dsd++ = 0; | |
1004 | return 0; | |
1005 | } | |
5162cf0c | 1006 | |
f83adb61 | 1007 | int |
bad75002 | 1008 | qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, |
be25152c | 1009 | uint16_t tot_dsds, struct qla_tc_param *tc) |
bad75002 AE |
1010 | { |
1011 | void *next_dsd; | |
1012 | uint8_t avail_dsds = 0; | |
1013 | uint32_t dsd_list_len; | |
1014 | struct dsd_dma *dsd_ptr; | |
f83adb61 | 1015 | struct scatterlist *sg, *sgl; |
bad75002 AE |
1016 | uint32_t *cur_dsd = dsd; |
1017 | int i; | |
1018 | uint16_t used_dsds = tot_dsds; | |
f83adb61 | 1019 | struct scsi_cmnd *cmd; |
f83adb61 QT |
1020 | |
1021 | if (sp) { | |
1022 | cmd = GET_CMD_SP(sp); | |
1023 | sgl = scsi_sglist(cmd); | |
f83adb61 QT |
1024 | } else if (tc) { |
1025 | sgl = tc->sg; | |
f83adb61 QT |
1026 | } else { |
1027 | BUG(); | |
1028 | return 1; | |
1029 | } | |
bad75002 | 1030 | |
f83adb61 QT |
1031 | |
1032 | for_each_sg(sgl, sg, tot_dsds, i) { | |
bad75002 AE |
1033 | dma_addr_t sle_dma; |
1034 | ||
1035 | /* Allocate additional continuation packets? */ | |
1036 | if (avail_dsds == 0) { | |
1037 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
1038 | QLA_DSDS_PER_IOCB : used_dsds; | |
1039 | dsd_list_len = (avail_dsds + 1) * 12; | |
1040 | used_dsds -= avail_dsds; | |
1041 | ||
1042 | /* allocate tracking DS */ | |
1043 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
1044 | if (!dsd_ptr) | |
1045 | return 1; | |
1046 | ||
1047 | /* allocate new list */ | |
1048 | dsd_ptr->dsd_addr = next_dsd = | |
1049 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
1050 | &dsd_ptr->dsd_list_dma); | |
1051 | ||
1052 | if (!next_dsd) { | |
1053 | /* | |
1054 | * Need to cleanup only this dsd_ptr, rest | |
1055 | * will be done by sp_free_dma() | |
1056 | */ | |
1057 | kfree(dsd_ptr); | |
1058 | return 1; | |
1059 | } | |
1060 | ||
f83adb61 QT |
1061 | if (sp) { |
1062 | list_add_tail(&dsd_ptr->list, | |
1063 | &((struct crc_context *) | |
1064 | sp->u.scmd.ctx)->dsd_list); | |
bad75002 | 1065 | |
f83adb61 QT |
1066 | sp->flags |= SRB_CRC_CTX_DSD_VALID; |
1067 | } else { | |
1068 | list_add_tail(&dsd_ptr->list, | |
1069 | &(tc->ctx->dsd_list)); | |
be25152c | 1070 | *tc->ctx_dsd_alloced = 1; |
f83adb61 | 1071 | } |
bad75002 AE |
1072 | |
1073 | /* add new list to cmd iocb or last list */ | |
1074 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
1075 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
1076 | *cur_dsd++ = dsd_list_len; | |
1077 | cur_dsd = (uint32_t *)next_dsd; | |
1078 | } | |
1079 | sle_dma = sg_dma_address(sg); | |
9e522cd8 | 1080 | |
bad75002 AE |
1081 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); |
1082 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1083 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1084 | avail_dsds--; | |
1085 | ||
bad75002 AE |
1086 | } |
1087 | /* Null termination */ | |
1088 | *cur_dsd++ = 0; | |
1089 | *cur_dsd++ = 0; | |
1090 | *cur_dsd++ = 0; | |
1091 | return 0; | |
1092 | } | |
1093 | ||
f83adb61 | 1094 | int |
bad75002 | 1095 | qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, |
be25152c | 1096 | uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) |
bad75002 AE |
1097 | { |
1098 | void *next_dsd; | |
1099 | uint8_t avail_dsds = 0; | |
1100 | uint32_t dsd_list_len; | |
1101 | struct dsd_dma *dsd_ptr; | |
f83adb61 | 1102 | struct scatterlist *sg, *sgl; |
bad75002 AE |
1103 | int i; |
1104 | struct scsi_cmnd *cmd; | |
1105 | uint32_t *cur_dsd = dsd; | |
f83adb61 QT |
1106 | uint16_t used_dsds = tot_dsds; |
1107 | struct scsi_qla_host *vha; | |
1108 | ||
1109 | if (sp) { | |
1110 | cmd = GET_CMD_SP(sp); | |
1111 | sgl = scsi_prot_sglist(cmd); | |
25ff6af1 | 1112 | vha = sp->vha; |
f83adb61 QT |
1113 | } else if (tc) { |
1114 | vha = tc->vha; | |
1115 | sgl = tc->prot_sg; | |
1116 | } else { | |
1117 | BUG(); | |
1118 | return 1; | |
1119 | } | |
bad75002 | 1120 | |
f83adb61 QT |
1121 | ql_dbg(ql_dbg_tgt, vha, 0xe021, |
1122 | "%s: enter\n", __func__); | |
1123 | ||
1124 | for_each_sg(sgl, sg, tot_dsds, i) { | |
bad75002 AE |
1125 | dma_addr_t sle_dma; |
1126 | ||
1127 | /* Allocate additional continuation packets? */ | |
1128 | if (avail_dsds == 0) { | |
1129 | avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? | |
1130 | QLA_DSDS_PER_IOCB : used_dsds; | |
1131 | dsd_list_len = (avail_dsds + 1) * 12; | |
1132 | used_dsds -= avail_dsds; | |
1133 | ||
1134 | /* allocate tracking DS */ | |
1135 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
1136 | if (!dsd_ptr) | |
1137 | return 1; | |
1138 | ||
1139 | /* allocate new list */ | |
1140 | dsd_ptr->dsd_addr = next_dsd = | |
1141 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, | |
1142 | &dsd_ptr->dsd_list_dma); | |
1143 | ||
1144 | if (!next_dsd) { | |
1145 | /* | |
1146 | * Need to cleanup only this dsd_ptr, rest | |
1147 | * will be done by sp_free_dma() | |
1148 | */ | |
1149 | kfree(dsd_ptr); | |
1150 | return 1; | |
1151 | } | |
1152 | ||
f83adb61 QT |
1153 | if (sp) { |
1154 | list_add_tail(&dsd_ptr->list, | |
1155 | &((struct crc_context *) | |
1156 | sp->u.scmd.ctx)->dsd_list); | |
bad75002 | 1157 | |
f83adb61 QT |
1158 | sp->flags |= SRB_CRC_CTX_DSD_VALID; |
1159 | } else { | |
1160 | list_add_tail(&dsd_ptr->list, | |
1161 | &(tc->ctx->dsd_list)); | |
be25152c | 1162 | *tc->ctx_dsd_alloced = 1; |
f83adb61 | 1163 | } |
bad75002 AE |
1164 | |
1165 | /* add new list to cmd iocb or last list */ | |
1166 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
1167 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
1168 | *cur_dsd++ = dsd_list_len; | |
1169 | cur_dsd = (uint32_t *)next_dsd; | |
1170 | } | |
1171 | sle_dma = sg_dma_address(sg); | |
9e522cd8 | 1172 | |
bad75002 AE |
1173 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); |
1174 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
1175 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
1176 | ||
bad75002 AE |
1177 | avail_dsds--; |
1178 | } | |
1179 | /* Null termination */ | |
1180 | *cur_dsd++ = 0; | |
1181 | *cur_dsd++ = 0; | |
1182 | *cur_dsd++ = 0; | |
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | /** | |
1187 | * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command | |
1188 | * Type 6 IOCB types. | |
1189 | * | |
1190 | * @sp: SRB command to process | |
1191 | * @cmd_pkt: Command type 3 IOCB | |
1192 | * @tot_dsds: Total number of segments to transfer | |
1193 | */ | |
d7459527 | 1194 | inline int |
bad75002 AE |
1195 | qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, |
1196 | uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts) | |
1197 | { | |
1198 | uint32_t *cur_dsd, *fcp_dl; | |
1199 | scsi_qla_host_t *vha; | |
1200 | struct scsi_cmnd *cmd; | |
8cb2049c | 1201 | uint32_t total_bytes = 0; |
bad75002 AE |
1202 | uint32_t data_bytes; |
1203 | uint32_t dif_bytes; | |
1204 | uint8_t bundling = 1; | |
1205 | uint16_t blk_size; | |
1206 | uint8_t *clr_ptr; | |
1207 | struct crc_context *crc_ctx_pkt = NULL; | |
1208 | struct qla_hw_data *ha; | |
1209 | uint8_t additional_fcpcdb_len; | |
1210 | uint16_t fcp_cmnd_len; | |
1211 | struct fcp_cmnd *fcp_cmnd; | |
1212 | dma_addr_t crc_ctx_dma; | |
1213 | ||
9ba56b95 | 1214 | cmd = GET_CMD_SP(sp); |
bad75002 | 1215 | |
bad75002 | 1216 | /* Update entry type to indicate Command Type CRC_2 IOCB */ |
ad950360 | 1217 | *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_CRC_2); |
bad75002 | 1218 | |
25ff6af1 | 1219 | vha = sp->vha; |
7c3df132 SK |
1220 | ha = vha->hw; |
1221 | ||
bad75002 AE |
1222 | /* No data transfer */ |
1223 | data_bytes = scsi_bufflen(cmd); | |
1224 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { | |
ad950360 | 1225 | cmd_pkt->byte_count = cpu_to_le32(0); |
bad75002 AE |
1226 | return QLA_SUCCESS; |
1227 | } | |
1228 | ||
25ff6af1 | 1229 | cmd_pkt->vp_index = sp->vha->vp_idx; |
bad75002 AE |
1230 | |
1231 | /* Set transfer direction */ | |
1232 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
1233 | cmd_pkt->control_flags = | |
ad950360 | 1234 | cpu_to_le16(CF_WRITE_DATA); |
bad75002 AE |
1235 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { |
1236 | cmd_pkt->control_flags = | |
ad950360 | 1237 | cpu_to_le16(CF_READ_DATA); |
bad75002 AE |
1238 | } |
1239 | ||
9ba56b95 GM |
1240 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || |
1241 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) || | |
1242 | (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) || | |
1243 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT)) | |
bad75002 AE |
1244 | bundling = 0; |
1245 | ||
1246 | /* Allocate CRC context from global pool */ | |
9ba56b95 GM |
1247 | crc_ctx_pkt = sp->u.scmd.ctx = |
1248 | dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma); | |
bad75002 AE |
1249 | |
1250 | if (!crc_ctx_pkt) | |
1251 | goto crc_queuing_error; | |
1252 | ||
1253 | /* Zero out CTX area. */ | |
1254 | clr_ptr = (uint8_t *)crc_ctx_pkt; | |
1255 | memset(clr_ptr, 0, sizeof(*crc_ctx_pkt)); | |
1256 | ||
1257 | crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma; | |
1258 | ||
1259 | sp->flags |= SRB_CRC_CTX_DMA_VALID; | |
1260 | ||
1261 | /* Set handle */ | |
1262 | crc_ctx_pkt->handle = cmd_pkt->handle; | |
1263 | ||
1264 | INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list); | |
1265 | ||
e02587d7 | 1266 | qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *) |
bad75002 AE |
1267 | &crc_ctx_pkt->ref_tag, tot_prot_dsds); |
1268 | ||
1269 | cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); | |
1270 | cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma)); | |
1271 | cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW; | |
1272 | ||
1273 | /* Determine SCSI command length -- align to 4 byte boundary */ | |
1274 | if (cmd->cmd_len > 16) { | |
bad75002 AE |
1275 | additional_fcpcdb_len = cmd->cmd_len - 16; |
1276 | if ((cmd->cmd_len % 4) != 0) { | |
1277 | /* SCSI cmd > 16 bytes must be multiple of 4 */ | |
1278 | goto crc_queuing_error; | |
1279 | } | |
1280 | fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
1281 | } else { | |
1282 | additional_fcpcdb_len = 0; | |
1283 | fcp_cmnd_len = 12 + 16 + 4; | |
1284 | } | |
1285 | ||
1286 | fcp_cmnd = &crc_ctx_pkt->fcp_cmnd; | |
1287 | ||
1288 | fcp_cmnd->additional_cdb_len = additional_fcpcdb_len; | |
1289 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
1290 | fcp_cmnd->additional_cdb_len |= 1; | |
1291 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
1292 | fcp_cmnd->additional_cdb_len |= 2; | |
1293 | ||
9ba56b95 | 1294 | int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun); |
bad75002 AE |
1295 | memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); |
1296 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); | |
1297 | cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( | |
1298 | LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
1299 | cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32( | |
1300 | MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF)); | |
65155b37 | 1301 | fcp_cmnd->task_management = 0; |
50668633 | 1302 | fcp_cmnd->task_attribute = TSK_SIMPLE; |
ff2fc42e | 1303 | |
bad75002 AE |
1304 | cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ |
1305 | ||
bad75002 | 1306 | /* Compute dif len and adjust data len to incude protection */ |
bad75002 AE |
1307 | dif_bytes = 0; |
1308 | blk_size = cmd->device->sector_size; | |
8cb2049c AE |
1309 | dif_bytes = (data_bytes / blk_size) * 8; |
1310 | ||
9ba56b95 | 1311 | switch (scsi_get_prot_op(GET_CMD_SP(sp))) { |
8cb2049c AE |
1312 | case SCSI_PROT_READ_INSERT: |
1313 | case SCSI_PROT_WRITE_STRIP: | |
1314 | total_bytes = data_bytes; | |
1315 | data_bytes += dif_bytes; | |
1316 | break; | |
1317 | ||
1318 | case SCSI_PROT_READ_STRIP: | |
1319 | case SCSI_PROT_WRITE_INSERT: | |
1320 | case SCSI_PROT_READ_PASS: | |
1321 | case SCSI_PROT_WRITE_PASS: | |
1322 | total_bytes = data_bytes + dif_bytes; | |
1323 | break; | |
1324 | default: | |
1325 | BUG(); | |
bad75002 AE |
1326 | } |
1327 | ||
e02587d7 | 1328 | if (!qla2x00_hba_err_chk_enabled(sp)) |
bad75002 | 1329 | fw_prot_opts |= 0x10; /* Disable Guard tag checking */ |
9e522cd8 AE |
1330 | /* HBA error checking enabled */ |
1331 | else if (IS_PI_UNINIT_CAPABLE(ha)) { | |
1332 | if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1) | |
1333 | || (scsi_get_prot_type(GET_CMD_SP(sp)) == | |
1334 | SCSI_PROT_DIF_TYPE2)) | |
1335 | fw_prot_opts |= BIT_10; | |
1336 | else if (scsi_get_prot_type(GET_CMD_SP(sp)) == | |
1337 | SCSI_PROT_DIF_TYPE3) | |
1338 | fw_prot_opts |= BIT_11; | |
1339 | } | |
bad75002 AE |
1340 | |
1341 | if (!bundling) { | |
1342 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; | |
1343 | } else { | |
1344 | /* | |
1345 | * Configure Bundling if we need to fetch interlaving | |
1346 | * protection PCI accesses | |
1347 | */ | |
1348 | fw_prot_opts |= PO_ENABLE_DIF_BUNDLING; | |
1349 | crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes); | |
1350 | crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds - | |
1351 | tot_prot_dsds); | |
1352 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address; | |
1353 | } | |
1354 | ||
1355 | /* Finish the common fields of CRC pkt */ | |
1356 | crc_ctx_pkt->blk_size = cpu_to_le16(blk_size); | |
1357 | crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts); | |
1358 | crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes); | |
ad950360 | 1359 | crc_ctx_pkt->guard_seed = cpu_to_le16(0); |
bad75002 AE |
1360 | /* Fibre channel byte count */ |
1361 | cmd_pkt->byte_count = cpu_to_le32(total_bytes); | |
1362 | fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 + | |
1363 | additional_fcpcdb_len); | |
1364 | *fcp_dl = htonl(total_bytes); | |
1365 | ||
0c470874 | 1366 | if (!data_bytes || cmd->sc_data_direction == DMA_NONE) { |
ad950360 | 1367 | cmd_pkt->byte_count = cpu_to_le32(0); |
0c470874 AE |
1368 | return QLA_SUCCESS; |
1369 | } | |
bad75002 AE |
1370 | /* Walks data segments */ |
1371 | ||
ad950360 | 1372 | cmd_pkt->control_flags |= cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE); |
8cb2049c AE |
1373 | |
1374 | if (!bundling && tot_prot_dsds) { | |
1375 | if (qla24xx_walk_and_build_sglist_no_difb(ha, sp, | |
f83adb61 | 1376 | cur_dsd, tot_dsds, NULL)) |
8cb2049c AE |
1377 | goto crc_queuing_error; |
1378 | } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, | |
f83adb61 | 1379 | (tot_dsds - tot_prot_dsds), NULL)) |
bad75002 AE |
1380 | goto crc_queuing_error; |
1381 | ||
1382 | if (bundling && tot_prot_dsds) { | |
1383 | /* Walks dif segments */ | |
ad950360 | 1384 | cmd_pkt->control_flags |= cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE); |
bad75002 AE |
1385 | cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address; |
1386 | if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd, | |
f83adb61 | 1387 | tot_prot_dsds, NULL)) |
bad75002 AE |
1388 | goto crc_queuing_error; |
1389 | } | |
1390 | return QLA_SUCCESS; | |
1391 | ||
1392 | crc_queuing_error: | |
bad75002 AE |
1393 | /* Cleanup will be performed by the caller */ |
1394 | ||
1395 | return QLA_FUNCTION_FAILED; | |
1396 | } | |
2b6c0cee AV |
1397 | |
1398 | /** | |
1399 | * qla24xx_start_scsi() - Send a SCSI command to the ISP | |
1400 | * @sp: command to send to the ISP | |
1401 | * | |
cc3ef7bc | 1402 | * Returns non-zero if a failure occurred, else zero. |
2b6c0cee AV |
1403 | */ |
1404 | int | |
1405 | qla24xx_start_scsi(srb_t *sp) | |
1406 | { | |
52c82823 | 1407 | int nseg; |
2b6c0cee | 1408 | unsigned long flags; |
2b6c0cee AV |
1409 | uint32_t *clr_ptr; |
1410 | uint32_t index; | |
1411 | uint32_t handle; | |
1412 | struct cmd_type_7 *cmd_pkt; | |
2b6c0cee AV |
1413 | uint16_t cnt; |
1414 | uint16_t req_cnt; | |
1415 | uint16_t tot_dsds; | |
73208dfd AC |
1416 | struct req_que *req = NULL; |
1417 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1418 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
25ff6af1 | 1419 | struct scsi_qla_host *vha = sp->vha; |
73208dfd | 1420 | struct qla_hw_data *ha = vha->hw; |
2b6c0cee AV |
1421 | |
1422 | /* Setup device pointers. */ | |
59e0b8b0 | 1423 | req = vha->req; |
d7459527 | 1424 | rsp = req->rsp; |
73208dfd | 1425 | |
2b6c0cee AV |
1426 | /* So we know we haven't pci_map'ed anything yet */ |
1427 | tot_dsds = 0; | |
1428 | ||
1429 | /* Send marker if required */ | |
e315cd28 | 1430 | if (vha->marker_needed != 0) { |
7c3df132 SK |
1431 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != |
1432 | QLA_SUCCESS) | |
2b6c0cee | 1433 | return QLA_FUNCTION_FAILED; |
e315cd28 | 1434 | vha->marker_needed = 0; |
2b6c0cee AV |
1435 | } |
1436 | ||
1437 | /* Acquire ring specific lock */ | |
e315cd28 | 1438 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2b6c0cee AV |
1439 | |
1440 | /* Check for room in outstanding command list. */ | |
e315cd28 | 1441 | handle = req->current_outstanding_cmd; |
8d93f550 | 1442 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
2b6c0cee | 1443 | handle++; |
8d93f550 | 1444 | if (handle == req->num_outstanding_cmds) |
2b6c0cee | 1445 | handle = 1; |
e315cd28 | 1446 | if (!req->outstanding_cmds[handle]) |
2b6c0cee AV |
1447 | break; |
1448 | } | |
8d93f550 | 1449 | if (index == req->num_outstanding_cmds) |
2b6c0cee AV |
1450 | goto queuing_error; |
1451 | ||
1452 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2c3dfe3f SJ |
1453 | if (scsi_sg_count(cmd)) { |
1454 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1455 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1456 | if (unlikely(!nseg)) | |
2b6c0cee | 1457 | goto queuing_error; |
2c3dfe3f SJ |
1458 | } else |
1459 | nseg = 0; | |
1460 | ||
385d70b4 | 1461 | tot_dsds = nseg; |
7c3df132 | 1462 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); |
e315cd28 | 1463 | if (req->cnt < (req_cnt + 2)) { |
7c6300e3 JC |
1464 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
1465 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
e315cd28 AC |
1466 | if (req->ring_index < cnt) |
1467 | req->cnt = cnt - req->ring_index; | |
2b6c0cee | 1468 | else |
e315cd28 AC |
1469 | req->cnt = req->length - |
1470 | (req->ring_index - cnt); | |
a6eb3c9f CL |
1471 | if (req->cnt < (req_cnt + 2)) |
1472 | goto queuing_error; | |
2b6c0cee | 1473 | } |
2b6c0cee AV |
1474 | |
1475 | /* Build command packet. */ | |
e315cd28 AC |
1476 | req->current_outstanding_cmd = handle; |
1477 | req->outstanding_cmds[handle] = sp; | |
cf53b069 | 1478 | sp->handle = handle; |
9ba56b95 | 1479 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
e315cd28 | 1480 | req->cnt -= req_cnt; |
2b6c0cee | 1481 | |
e315cd28 | 1482 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; |
2afa19a9 | 1483 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); |
2b6c0cee AV |
1484 | |
1485 | /* Zero out remaining portion of packet. */ | |
72df8325 | 1486 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ |
2b6c0cee AV |
1487 | clr_ptr = (uint32_t *)cmd_pkt + 2; |
1488 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1489 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1490 | ||
1491 | /* Set NPORT-ID and LUN number*/ | |
1492 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1493 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1494 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1495 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 1496 | cmd_pkt->vp_index = sp->vha->vp_idx; |
2b6c0cee | 1497 | |
9ba56b95 | 1498 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
0d4be124 | 1499 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
2b6c0cee | 1500 | |
50668633 | 1501 | cmd_pkt->task = TSK_SIMPLE; |
ff2fc42e | 1502 | |
2b6c0cee AV |
1503 | /* Load SCSI command packet. */ |
1504 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
1505 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
1506 | ||
385d70b4 | 1507 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); |
2b6c0cee AV |
1508 | |
1509 | /* Build IOCB segments */ | |
d7459527 | 1510 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); |
2b6c0cee AV |
1511 | |
1512 | /* Set total data segment count. */ | |
1513 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1514 | wmb(); | |
2b6c0cee | 1515 | /* Adjust ring index. */ |
e315cd28 AC |
1516 | req->ring_index++; |
1517 | if (req->ring_index == req->length) { | |
1518 | req->ring_index = 0; | |
1519 | req->ring_ptr = req->ring; | |
2b6c0cee | 1520 | } else |
e315cd28 | 1521 | req->ring_ptr++; |
2b6c0cee AV |
1522 | |
1523 | sp->flags |= SRB_DMA_VALID; | |
2b6c0cee AV |
1524 | |
1525 | /* Set chip new ring index. */ | |
08029990 AV |
1526 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
1527 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
2b6c0cee | 1528 | |
4fdfefe5 | 1529 | /* Manage unprocessed RIO/ZIO commands in response queue. */ |
e315cd28 | 1530 | if (vha->flags.process_response_queue && |
73208dfd | 1531 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) |
2afa19a9 | 1532 | qla24xx_process_response_queue(vha, rsp); |
4fdfefe5 | 1533 | |
e315cd28 | 1534 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1535 | return QLA_SUCCESS; |
1536 | ||
1537 | queuing_error: | |
385d70b4 FT |
1538 | if (tot_dsds) |
1539 | scsi_dma_unmap(cmd); | |
1540 | ||
e315cd28 | 1541 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
2b6c0cee AV |
1542 | |
1543 | return QLA_FUNCTION_FAILED; | |
1da177e4 | 1544 | } |
68ca949c | 1545 | |
bad75002 AE |
1546 | /** |
1547 | * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP | |
1548 | * @sp: command to send to the ISP | |
1549 | * | |
1550 | * Returns non-zero if a failure occurred, else zero. | |
1551 | */ | |
1552 | int | |
1553 | qla24xx_dif_start_scsi(srb_t *sp) | |
1554 | { | |
1555 | int nseg; | |
1556 | unsigned long flags; | |
1557 | uint32_t *clr_ptr; | |
1558 | uint32_t index; | |
1559 | uint32_t handle; | |
1560 | uint16_t cnt; | |
1561 | uint16_t req_cnt = 0; | |
1562 | uint16_t tot_dsds; | |
1563 | uint16_t tot_prot_dsds; | |
1564 | uint16_t fw_prot_opts = 0; | |
1565 | struct req_que *req = NULL; | |
1566 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1567 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
25ff6af1 | 1568 | struct scsi_qla_host *vha = sp->vha; |
bad75002 AE |
1569 | struct qla_hw_data *ha = vha->hw; |
1570 | struct cmd_type_crc_2 *cmd_pkt; | |
1571 | uint32_t status = 0; | |
1572 | ||
1573 | #define QDSS_GOT_Q_SPACE BIT_0 | |
1574 | ||
0c470874 AE |
1575 | /* Only process protection or >16 cdb in this routine */ |
1576 | if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) { | |
1577 | if (cmd->cmd_len <= 16) | |
1578 | return qla24xx_start_scsi(sp); | |
1579 | } | |
bad75002 AE |
1580 | |
1581 | /* Setup device pointers. */ | |
bad75002 | 1582 | req = vha->req; |
d7459527 | 1583 | rsp = req->rsp; |
bad75002 AE |
1584 | |
1585 | /* So we know we haven't pci_map'ed anything yet */ | |
1586 | tot_dsds = 0; | |
1587 | ||
1588 | /* Send marker if required */ | |
1589 | if (vha->marker_needed != 0) { | |
1590 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1591 | QLA_SUCCESS) | |
1592 | return QLA_FUNCTION_FAILED; | |
1593 | vha->marker_needed = 0; | |
1594 | } | |
1595 | ||
1596 | /* Acquire ring specific lock */ | |
1597 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1598 | ||
1599 | /* Check for room in outstanding command list. */ | |
1600 | handle = req->current_outstanding_cmd; | |
8d93f550 | 1601 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
bad75002 | 1602 | handle++; |
8d93f550 | 1603 | if (handle == req->num_outstanding_cmds) |
bad75002 AE |
1604 | handle = 1; |
1605 | if (!req->outstanding_cmds[handle]) | |
1606 | break; | |
1607 | } | |
1608 | ||
8d93f550 | 1609 | if (index == req->num_outstanding_cmds) |
bad75002 AE |
1610 | goto queuing_error; |
1611 | ||
1612 | /* Compute number of required data segments */ | |
1613 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1614 | if (scsi_sg_count(cmd)) { | |
1615 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1616 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1617 | if (unlikely(!nseg)) | |
1618 | goto queuing_error; | |
1619 | else | |
1620 | sp->flags |= SRB_DMA_VALID; | |
8cb2049c AE |
1621 | |
1622 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1623 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1624 | struct qla2_sgx sgx; | |
1625 | uint32_t partial; | |
1626 | ||
1627 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
1628 | sgx.tot_bytes = scsi_bufflen(cmd); | |
1629 | sgx.cur_sg = scsi_sglist(cmd); | |
1630 | sgx.sp = sp; | |
1631 | ||
1632 | nseg = 0; | |
1633 | while (qla24xx_get_one_block_sg( | |
1634 | cmd->device->sector_size, &sgx, &partial)) | |
1635 | nseg++; | |
1636 | } | |
bad75002 AE |
1637 | } else |
1638 | nseg = 0; | |
1639 | ||
1640 | /* number of required data segments */ | |
1641 | tot_dsds = nseg; | |
1642 | ||
1643 | /* Compute number of required protection segments */ | |
1644 | if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) { | |
1645 | nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | |
1646 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | |
1647 | if (unlikely(!nseg)) | |
1648 | goto queuing_error; | |
1649 | else | |
1650 | sp->flags |= SRB_CRC_PROT_DMA_VALID; | |
8cb2049c AE |
1651 | |
1652 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1653 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1654 | nseg = scsi_bufflen(cmd) / cmd->device->sector_size; | |
1655 | } | |
bad75002 AE |
1656 | } else { |
1657 | nseg = 0; | |
1658 | } | |
1659 | ||
1660 | req_cnt = 1; | |
1661 | /* Total Data and protection sg segment(s) */ | |
1662 | tot_prot_dsds = nseg; | |
1663 | tot_dsds += nseg; | |
1664 | if (req->cnt < (req_cnt + 2)) { | |
7c6300e3 JC |
1665 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
1666 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
bad75002 AE |
1667 | if (req->ring_index < cnt) |
1668 | req->cnt = cnt - req->ring_index; | |
1669 | else | |
1670 | req->cnt = req->length - | |
1671 | (req->ring_index - cnt); | |
a6eb3c9f CL |
1672 | if (req->cnt < (req_cnt + 2)) |
1673 | goto queuing_error; | |
bad75002 AE |
1674 | } |
1675 | ||
bad75002 AE |
1676 | status |= QDSS_GOT_Q_SPACE; |
1677 | ||
1678 | /* Build header part of command packet (excluding the OPCODE). */ | |
1679 | req->current_outstanding_cmd = handle; | |
1680 | req->outstanding_cmds[handle] = sp; | |
8cb2049c | 1681 | sp->handle = handle; |
9ba56b95 | 1682 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
bad75002 AE |
1683 | req->cnt -= req_cnt; |
1684 | ||
1685 | /* Fill-in common area */ | |
1686 | cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr; | |
1687 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
1688 | ||
1689 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
1690 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1691 | ||
1692 | /* Set NPORT-ID and LUN number*/ | |
1693 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1694 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1695 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1696 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
1697 | ||
9ba56b95 | 1698 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
bad75002 AE |
1699 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
1700 | ||
1701 | /* Total Data and protection segment(s) */ | |
1702 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1703 | ||
1704 | /* Build IOCB segments and adjust for data protection segments */ | |
1705 | if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *) | |
1706 | req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) != | |
1707 | QLA_SUCCESS) | |
1708 | goto queuing_error; | |
1709 | ||
1710 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1711 | /* Specify response queue number where completion should happen */ | |
1712 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
ad950360 | 1713 | cmd_pkt->timeout = cpu_to_le16(0); |
bad75002 AE |
1714 | wmb(); |
1715 | ||
1716 | /* Adjust ring index. */ | |
1717 | req->ring_index++; | |
1718 | if (req->ring_index == req->length) { | |
1719 | req->ring_index = 0; | |
1720 | req->ring_ptr = req->ring; | |
1721 | } else | |
1722 | req->ring_ptr++; | |
1723 | ||
1724 | /* Set chip new ring index. */ | |
1725 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
1726 | RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); | |
1727 | ||
1728 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
1729 | if (vha->flags.process_response_queue && | |
1730 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
1731 | qla24xx_process_response_queue(vha, rsp); | |
1732 | ||
1733 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1734 | ||
1735 | return QLA_SUCCESS; | |
1736 | ||
1737 | queuing_error: | |
1738 | if (status & QDSS_GOT_Q_SPACE) { | |
1739 | req->outstanding_cmds[handle] = NULL; | |
1740 | req->cnt += req_cnt; | |
1741 | } | |
1742 | /* Cleanup will be performed by the caller (queuecommand) */ | |
1743 | ||
1744 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
bad75002 AE |
1745 | return QLA_FUNCTION_FAILED; |
1746 | } | |
1747 | ||
d7459527 MH |
1748 | /** |
1749 | * qla2xxx_start_scsi_mq() - Send a SCSI command to the ISP | |
1750 | * @sp: command to send to the ISP | |
1751 | * | |
1752 | * Returns non-zero if a failure occurred, else zero. | |
1753 | */ | |
1754 | static int | |
1755 | qla2xxx_start_scsi_mq(srb_t *sp) | |
68ca949c | 1756 | { |
d7459527 MH |
1757 | int nseg; |
1758 | unsigned long flags; | |
1759 | uint32_t *clr_ptr; | |
1760 | uint32_t index; | |
1761 | uint32_t handle; | |
1762 | struct cmd_type_7 *cmd_pkt; | |
1763 | uint16_t cnt; | |
1764 | uint16_t req_cnt; | |
1765 | uint16_t tot_dsds; | |
1766 | struct req_que *req = NULL; | |
1767 | struct rsp_que *rsp = NULL; | |
9ba56b95 | 1768 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
d7459527 MH |
1769 | struct scsi_qla_host *vha = sp->fcport->vha; |
1770 | struct qla_hw_data *ha = vha->hw; | |
1771 | struct qla_qpair *qpair = sp->qpair; | |
1772 | ||
1773 | /* Setup qpair pointers */ | |
1774 | rsp = qpair->rsp; | |
1775 | req = qpair->req; | |
1776 | ||
1777 | /* So we know we haven't pci_map'ed anything yet */ | |
1778 | tot_dsds = 0; | |
1779 | ||
1780 | /* Send marker if required */ | |
1781 | if (vha->marker_needed != 0) { | |
1782 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1783 | QLA_SUCCESS) | |
1784 | return QLA_FUNCTION_FAILED; | |
1785 | vha->marker_needed = 0; | |
1786 | } | |
1787 | ||
1788 | /* Acquire qpair specific lock */ | |
1789 | spin_lock_irqsave(&qpair->qp_lock, flags); | |
1790 | ||
1791 | /* Check for room in outstanding command list. */ | |
1792 | handle = req->current_outstanding_cmd; | |
1793 | for (index = 1; index < req->num_outstanding_cmds; index++) { | |
1794 | handle++; | |
1795 | if (handle == req->num_outstanding_cmds) | |
1796 | handle = 1; | |
1797 | if (!req->outstanding_cmds[handle]) | |
1798 | break; | |
1799 | } | |
1800 | if (index == req->num_outstanding_cmds) | |
1801 | goto queuing_error; | |
1802 | ||
1803 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1804 | if (scsi_sg_count(cmd)) { | |
1805 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1806 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1807 | if (unlikely(!nseg)) | |
1808 | goto queuing_error; | |
1809 | } else | |
1810 | nseg = 0; | |
1811 | ||
1812 | tot_dsds = nseg; | |
1813 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
1814 | if (req->cnt < (req_cnt + 2)) { | |
1815 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : | |
1816 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
1817 | if (req->ring_index < cnt) | |
1818 | req->cnt = cnt - req->ring_index; | |
1819 | else | |
1820 | req->cnt = req->length - | |
1821 | (req->ring_index - cnt); | |
1822 | if (req->cnt < (req_cnt + 2)) | |
1823 | goto queuing_error; | |
1824 | } | |
1825 | ||
1826 | /* Build command packet. */ | |
1827 | req->current_outstanding_cmd = handle; | |
1828 | req->outstanding_cmds[handle] = sp; | |
1829 | sp->handle = handle; | |
1830 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
1831 | req->cnt -= req_cnt; | |
1832 | ||
1833 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; | |
1834 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
1835 | ||
1836 | /* Zero out remaining portion of packet. */ | |
1837 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ | |
1838 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
1839 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
1840 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
1841 | ||
1842 | /* Set NPORT-ID and LUN number*/ | |
1843 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
1844 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
1845 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
1846 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
1847 | cmd_pkt->vp_index = sp->fcport->vha->vp_idx; | |
1848 | ||
1849 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); | |
1850 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); | |
1851 | ||
1852 | cmd_pkt->task = TSK_SIMPLE; | |
1853 | ||
1854 | /* Load SCSI command packet. */ | |
1855 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
1856 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
1857 | ||
1858 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
1859 | ||
1860 | /* Build IOCB segments */ | |
1861 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); | |
1862 | ||
1863 | /* Set total data segment count. */ | |
1864 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
1865 | wmb(); | |
1866 | /* Adjust ring index. */ | |
1867 | req->ring_index++; | |
1868 | if (req->ring_index == req->length) { | |
1869 | req->ring_index = 0; | |
1870 | req->ring_ptr = req->ring; | |
1871 | } else | |
1872 | req->ring_ptr++; | |
1873 | ||
1874 | sp->flags |= SRB_DMA_VALID; | |
1875 | ||
1876 | /* Set chip new ring index. */ | |
1877 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
1878 | ||
1879 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
1880 | if (vha->flags.process_response_queue && | |
1881 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
1882 | qla24xx_process_response_queue(vha, rsp); | |
1883 | ||
1884 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
1885 | return QLA_SUCCESS; | |
1886 | ||
1887 | queuing_error: | |
1888 | if (tot_dsds) | |
1889 | scsi_dma_unmap(cmd); | |
1890 | ||
1891 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
1892 | ||
1893 | return QLA_FUNCTION_FAILED; | |
1894 | } | |
1895 | ||
1896 | ||
1897 | /** | |
1898 | * qla2xxx_dif_start_scsi_mq() - Send a SCSI command to the ISP | |
1899 | * @sp: command to send to the ISP | |
1900 | * | |
1901 | * Returns non-zero if a failure occurred, else zero. | |
1902 | */ | |
1903 | int | |
1904 | qla2xxx_dif_start_scsi_mq(srb_t *sp) | |
1905 | { | |
1906 | int nseg; | |
1907 | unsigned long flags; | |
1908 | uint32_t *clr_ptr; | |
1909 | uint32_t index; | |
1910 | uint32_t handle; | |
1911 | uint16_t cnt; | |
1912 | uint16_t req_cnt = 0; | |
1913 | uint16_t tot_dsds; | |
1914 | uint16_t tot_prot_dsds; | |
1915 | uint16_t fw_prot_opts = 0; | |
1916 | struct req_que *req = NULL; | |
1917 | struct rsp_que *rsp = NULL; | |
1918 | struct scsi_cmnd *cmd = GET_CMD_SP(sp); | |
1919 | struct scsi_qla_host *vha = sp->fcport->vha; | |
1920 | struct qla_hw_data *ha = vha->hw; | |
1921 | struct cmd_type_crc_2 *cmd_pkt; | |
1922 | uint32_t status = 0; | |
1923 | struct qla_qpair *qpair = sp->qpair; | |
1924 | ||
1925 | #define QDSS_GOT_Q_SPACE BIT_0 | |
1926 | ||
1927 | /* Check for host side state */ | |
1928 | if (!qpair->online) { | |
1929 | cmd->result = DID_NO_CONNECT << 16; | |
1930 | return QLA_INTERFACE_ERROR; | |
1931 | } | |
1932 | ||
1933 | if (!qpair->difdix_supported && | |
1934 | scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { | |
1935 | cmd->result = DID_NO_CONNECT << 16; | |
1936 | return QLA_INTERFACE_ERROR; | |
1937 | } | |
1938 | ||
1939 | /* Only process protection or >16 cdb in this routine */ | |
1940 | if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) { | |
1941 | if (cmd->cmd_len <= 16) | |
1942 | return qla2xxx_start_scsi_mq(sp); | |
1943 | } | |
1944 | ||
1945 | /* Setup qpair pointers */ | |
1946 | rsp = qpair->rsp; | |
1947 | req = qpair->req; | |
1948 | ||
1949 | /* So we know we haven't pci_map'ed anything yet */ | |
1950 | tot_dsds = 0; | |
1951 | ||
1952 | /* Send marker if required */ | |
1953 | if (vha->marker_needed != 0) { | |
1954 | if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) != | |
1955 | QLA_SUCCESS) | |
1956 | return QLA_FUNCTION_FAILED; | |
1957 | vha->marker_needed = 0; | |
1958 | } | |
1959 | ||
1960 | /* Acquire ring specific lock */ | |
1961 | spin_lock_irqsave(&qpair->qp_lock, flags); | |
1962 | ||
1963 | /* Check for room in outstanding command list. */ | |
1964 | handle = req->current_outstanding_cmd; | |
1965 | for (index = 1; index < req->num_outstanding_cmds; index++) { | |
1966 | handle++; | |
1967 | if (handle == req->num_outstanding_cmds) | |
1968 | handle = 1; | |
1969 | if (!req->outstanding_cmds[handle]) | |
1970 | break; | |
1971 | } | |
1972 | ||
1973 | if (index == req->num_outstanding_cmds) | |
1974 | goto queuing_error; | |
1975 | ||
1976 | /* Compute number of required data segments */ | |
1977 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
1978 | if (scsi_sg_count(cmd)) { | |
1979 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
1980 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
1981 | if (unlikely(!nseg)) | |
1982 | goto queuing_error; | |
1983 | else | |
1984 | sp->flags |= SRB_DMA_VALID; | |
1985 | ||
1986 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
1987 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
1988 | struct qla2_sgx sgx; | |
1989 | uint32_t partial; | |
1990 | ||
1991 | memset(&sgx, 0, sizeof(struct qla2_sgx)); | |
1992 | sgx.tot_bytes = scsi_bufflen(cmd); | |
1993 | sgx.cur_sg = scsi_sglist(cmd); | |
1994 | sgx.sp = sp; | |
1995 | ||
1996 | nseg = 0; | |
1997 | while (qla24xx_get_one_block_sg( | |
1998 | cmd->device->sector_size, &sgx, &partial)) | |
1999 | nseg++; | |
2000 | } | |
2001 | } else | |
2002 | nseg = 0; | |
2003 | ||
2004 | /* number of required data segments */ | |
2005 | tot_dsds = nseg; | |
2006 | ||
2007 | /* Compute number of required protection segments */ | |
2008 | if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) { | |
2009 | nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | |
2010 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | |
2011 | if (unlikely(!nseg)) | |
2012 | goto queuing_error; | |
2013 | else | |
2014 | sp->flags |= SRB_CRC_PROT_DMA_VALID; | |
2015 | ||
2016 | if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || | |
2017 | (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { | |
2018 | nseg = scsi_bufflen(cmd) / cmd->device->sector_size; | |
2019 | } | |
2020 | } else { | |
2021 | nseg = 0; | |
2022 | } | |
2023 | ||
2024 | req_cnt = 1; | |
2025 | /* Total Data and protection sg segment(s) */ | |
2026 | tot_prot_dsds = nseg; | |
2027 | tot_dsds += nseg; | |
2028 | if (req->cnt < (req_cnt + 2)) { | |
2029 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : | |
2030 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
2031 | if (req->ring_index < cnt) | |
2032 | req->cnt = cnt - req->ring_index; | |
2033 | else | |
2034 | req->cnt = req->length - | |
2035 | (req->ring_index - cnt); | |
2036 | if (req->cnt < (req_cnt + 2)) | |
2037 | goto queuing_error; | |
2038 | } | |
2039 | ||
2040 | status |= QDSS_GOT_Q_SPACE; | |
2041 | ||
2042 | /* Build header part of command packet (excluding the OPCODE). */ | |
2043 | req->current_outstanding_cmd = handle; | |
2044 | req->outstanding_cmds[handle] = sp; | |
2045 | sp->handle = handle; | |
2046 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
2047 | req->cnt -= req_cnt; | |
2048 | ||
2049 | /* Fill-in common area */ | |
2050 | cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr; | |
2051 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2052 | ||
2053 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2054 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2055 | ||
2056 | /* Set NPORT-ID and LUN number*/ | |
2057 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2058 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2059 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2060 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
68ca949c | 2061 | |
d7459527 MH |
2062 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
2063 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); | |
2064 | ||
2065 | /* Total Data and protection segment(s) */ | |
2066 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2067 | ||
2068 | /* Build IOCB segments and adjust for data protection segments */ | |
2069 | if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *) | |
2070 | req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) != | |
2071 | QLA_SUCCESS) | |
2072 | goto queuing_error; | |
2073 | ||
2074 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2075 | cmd_pkt->timeout = cpu_to_le16(0); | |
2076 | wmb(); | |
2077 | ||
2078 | /* Adjust ring index. */ | |
2079 | req->ring_index++; | |
2080 | if (req->ring_index == req->length) { | |
2081 | req->ring_index = 0; | |
2082 | req->ring_ptr = req->ring; | |
2083 | } else | |
2084 | req->ring_ptr++; | |
2085 | ||
2086 | /* Set chip new ring index. */ | |
2087 | WRT_REG_DWORD(req->req_q_in, req->ring_index); | |
2088 | ||
2089 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
2090 | if (vha->flags.process_response_queue && | |
2091 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
2092 | qla24xx_process_response_queue(vha, rsp); | |
2093 | ||
2094 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
2095 | ||
2096 | return QLA_SUCCESS; | |
2097 | ||
2098 | queuing_error: | |
2099 | if (status & QDSS_GOT_Q_SPACE) { | |
2100 | req->outstanding_cmds[handle] = NULL; | |
2101 | req->cnt += req_cnt; | |
2102 | } | |
2103 | /* Cleanup will be performed by the caller (queuecommand) */ | |
2104 | ||
2105 | spin_unlock_irqrestore(&qpair->qp_lock, flags); | |
2106 | return QLA_FUNCTION_FAILED; | |
68ca949c | 2107 | } |
ac280b67 AV |
2108 | |
2109 | /* Generic Control-SRB manipulation functions. */ | |
b6a029e1 AE |
2110 | |
2111 | /* hardware_lock assumed to be held. */ | |
b6a029e1 | 2112 | |
d94d10e7 | 2113 | void * |
82de802a | 2114 | __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp) |
ac280b67 | 2115 | { |
82de802a | 2116 | scsi_qla_host_t *vha = qpair->vha; |
ac280b67 | 2117 | struct qla_hw_data *ha = vha->hw; |
82de802a | 2118 | struct req_que *req = qpair->req; |
118e2ef9 | 2119 | device_reg_t *reg = ISP_QUE_REG(ha, req->id); |
ac280b67 AV |
2120 | uint32_t index, handle; |
2121 | request_t *pkt; | |
2122 | uint16_t cnt, req_cnt; | |
2123 | ||
2124 | pkt = NULL; | |
2125 | req_cnt = 1; | |
d94d10e7 GM |
2126 | handle = 0; |
2127 | ||
2128 | if (!sp) | |
2129 | goto skip_cmd_array; | |
ac280b67 AV |
2130 | |
2131 | /* Check for room in outstanding command list. */ | |
2132 | handle = req->current_outstanding_cmd; | |
4b4f30cc | 2133 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
ac280b67 | 2134 | handle++; |
8d93f550 | 2135 | if (handle == req->num_outstanding_cmds) |
ac280b67 AV |
2136 | handle = 1; |
2137 | if (!req->outstanding_cmds[handle]) | |
2138 | break; | |
2139 | } | |
8d93f550 | 2140 | if (index == req->num_outstanding_cmds) { |
7c3df132 | 2141 | ql_log(ql_log_warn, vha, 0x700b, |
d6a03581 | 2142 | "No room on outstanding cmd array.\n"); |
ac280b67 | 2143 | goto queuing_error; |
7c3df132 | 2144 | } |
ac280b67 | 2145 | |
d94d10e7 GM |
2146 | /* Prep command array. */ |
2147 | req->current_outstanding_cmd = handle; | |
2148 | req->outstanding_cmds[handle] = sp; | |
2149 | sp->handle = handle; | |
2150 | ||
5780790e | 2151 | /* Adjust entry-counts as needed. */ |
9ba56b95 GM |
2152 | if (sp->type != SRB_SCSI_CMD) |
2153 | req_cnt = sp->iocbs; | |
5780790e | 2154 | |
d94d10e7 | 2155 | skip_cmd_array: |
ac280b67 | 2156 | /* Check for room on request queue. */ |
94007037 | 2157 | if (req->cnt < req_cnt + 2) { |
f73cb695 | 2158 | if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) |
ac280b67 | 2159 | cnt = RD_REG_DWORD(®->isp25mq.req_q_out); |
7ec0effd | 2160 | else if (IS_P3P_TYPE(ha)) |
d94d10e7 | 2161 | cnt = RD_REG_DWORD(®->isp82.req_q_out); |
ac280b67 AV |
2162 | else if (IS_FWI2_CAPABLE(ha)) |
2163 | cnt = RD_REG_DWORD(®->isp24.req_q_out); | |
8ae6d9c7 GM |
2164 | else if (IS_QLAFX00(ha)) |
2165 | cnt = RD_REG_DWORD(®->ispfx00.req_q_out); | |
ac280b67 AV |
2166 | else |
2167 | cnt = qla2x00_debounce_register( | |
2168 | ISP_REQ_Q_OUT(ha, ®->isp)); | |
2169 | ||
2170 | if (req->ring_index < cnt) | |
2171 | req->cnt = cnt - req->ring_index; | |
2172 | else | |
2173 | req->cnt = req->length - | |
2174 | (req->ring_index - cnt); | |
2175 | } | |
94007037 | 2176 | if (req->cnt < req_cnt + 2) |
ac280b67 AV |
2177 | goto queuing_error; |
2178 | ||
2179 | /* Prep packet */ | |
ac280b67 | 2180 | req->cnt -= req_cnt; |
ac280b67 AV |
2181 | pkt = req->ring_ptr; |
2182 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
8ae6d9c7 | 2183 | if (IS_QLAFX00(ha)) { |
1f8deefe SK |
2184 | WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt); |
2185 | WRT_REG_WORD((void __iomem *)&pkt->handle, handle); | |
8ae6d9c7 GM |
2186 | } else { |
2187 | pkt->entry_count = req_cnt; | |
2188 | pkt->handle = handle; | |
2189 | } | |
ac280b67 AV |
2190 | |
2191 | queuing_error: | |
60a9eadb | 2192 | qpair->tgt_counters.num_alloc_iocb_failed++; |
ac280b67 AV |
2193 | return pkt; |
2194 | } | |
2195 | ||
82de802a QT |
2196 | void * |
2197 | qla2x00_alloc_iocbs_ready(struct qla_qpair *qpair, srb_t *sp) | |
2198 | { | |
2199 | scsi_qla_host_t *vha = qpair->vha; | |
2200 | ||
2201 | if (qla2x00_reset_active(vha)) | |
2202 | return NULL; | |
2203 | ||
2204 | return __qla2x00_alloc_iocbs(qpair, sp); | |
2205 | } | |
2206 | ||
2207 | void * | |
2208 | qla2x00_alloc_iocbs(struct scsi_qla_host *vha, srb_t *sp) | |
2209 | { | |
2210 | return __qla2x00_alloc_iocbs(vha->hw->base_qpair, sp); | |
2211 | } | |
2212 | ||
ac280b67 AV |
2213 | static void |
2214 | qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2215 | { | |
9ba56b95 | 2216 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
ac280b67 AV |
2217 | |
2218 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2219 | logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI); | |
4916392b | 2220 | if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI) |
ac280b67 | 2221 | logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI); |
4916392b | 2222 | if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI) |
ac280b67 AV |
2223 | logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI); |
2224 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2225 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2226 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
2227 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2228 | logio->vp_index = sp->vha->vp_idx; |
ac280b67 AV |
2229 | } |
2230 | ||
2231 | static void | |
2232 | qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2233 | { | |
25ff6af1 | 2234 | struct qla_hw_data *ha = sp->vha->hw; |
9ba56b95 | 2235 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
ac280b67 AV |
2236 | uint16_t opts; |
2237 | ||
b963752f | 2238 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
2239 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
2240 | mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT); | |
4916392b MI |
2241 | opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0; |
2242 | opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0; | |
ac280b67 AV |
2243 | if (HAS_EXTENDED_IDS(ha)) { |
2244 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
2245 | mbx->mb10 = cpu_to_le16(opts); | |
2246 | } else { | |
2247 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts); | |
2248 | } | |
2249 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
2250 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
2251 | sp->fcport->d_id.b.al_pa); | |
25ff6af1 | 2252 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
ac280b67 AV |
2253 | } |
2254 | ||
2255 | static void | |
2256 | qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2257 | { | |
2258 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2259 | logio->control_flags = | |
2260 | cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO); | |
726b8548 | 2261 | if (!sp->fcport->se_sess || |
5d964837 | 2262 | !sp->fcport->keep_nport_handle) |
a6ca8878 | 2263 | logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT); |
ac280b67 AV |
2264 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); |
2265 | logio->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2266 | logio->port_id[1] = sp->fcport->d_id.b.area; | |
2267 | logio->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2268 | logio->vp_index = sp->vha->vp_idx; |
ac280b67 AV |
2269 | } |
2270 | ||
2271 | static void | |
2272 | qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2273 | { | |
25ff6af1 | 2274 | struct qla_hw_data *ha = sp->vha->hw; |
ac280b67 | 2275 | |
b963752f | 2276 | mbx->entry_type = MBX_IOCB_TYPE; |
ac280b67 AV |
2277 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); |
2278 | mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT); | |
2279 | mbx->mb1 = HAS_EXTENDED_IDS(ha) ? | |
2280 | cpu_to_le16(sp->fcport->loop_id): | |
2281 | cpu_to_le16(sp->fcport->loop_id << 8); | |
2282 | mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain); | |
2283 | mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 | | |
2284 | sp->fcport->d_id.b.al_pa); | |
25ff6af1 | 2285 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
ac280b67 AV |
2286 | /* Implicit: mbx->mbx10 = 0. */ |
2287 | } | |
2288 | ||
5ff1d584 AV |
2289 | static void |
2290 | qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio) | |
2291 | { | |
2292 | logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; | |
2293 | logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC); | |
2294 | logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
25ff6af1 | 2295 | logio->vp_index = sp->vha->vp_idx; |
5ff1d584 AV |
2296 | } |
2297 | ||
2298 | static void | |
2299 | qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx) | |
2300 | { | |
25ff6af1 | 2301 | struct qla_hw_data *ha = sp->vha->hw; |
5ff1d584 AV |
2302 | |
2303 | mbx->entry_type = MBX_IOCB_TYPE; | |
2304 | SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id); | |
2305 | mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE); | |
2306 | if (HAS_EXTENDED_IDS(ha)) { | |
2307 | mbx->mb1 = cpu_to_le16(sp->fcport->loop_id); | |
2308 | mbx->mb10 = cpu_to_le16(BIT_0); | |
2309 | } else { | |
2310 | mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0); | |
2311 | } | |
2312 | mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma)); | |
2313 | mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma)); | |
2314 | mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma))); | |
2315 | mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma))); | |
25ff6af1 | 2316 | mbx->mb9 = cpu_to_le16(sp->vha->vp_idx); |
5ff1d584 AV |
2317 | } |
2318 | ||
3822263e MI |
2319 | static void |
2320 | qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) | |
2321 | { | |
2322 | uint32_t flags; | |
9cb78c16 | 2323 | uint64_t lun; |
3822263e MI |
2324 | struct fc_port *fcport = sp->fcport; |
2325 | scsi_qla_host_t *vha = fcport->vha; | |
2326 | struct qla_hw_data *ha = vha->hw; | |
9ba56b95 | 2327 | struct srb_iocb *iocb = &sp->u.iocb_cmd; |
3822263e MI |
2328 | struct req_que *req = vha->req; |
2329 | ||
2330 | flags = iocb->u.tmf.flags; | |
2331 | lun = iocb->u.tmf.lun; | |
2332 | ||
2333 | tsk->entry_type = TSK_MGMT_IOCB_TYPE; | |
2334 | tsk->entry_count = 1; | |
2335 | tsk->handle = MAKE_HANDLE(req->id, tsk->handle); | |
2336 | tsk->nport_handle = cpu_to_le16(fcport->loop_id); | |
2337 | tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2); | |
2338 | tsk->control_flags = cpu_to_le32(flags); | |
2339 | tsk->port_id[0] = fcport->d_id.b.al_pa; | |
2340 | tsk->port_id[1] = fcport->d_id.b.area; | |
2341 | tsk->port_id[2] = fcport->d_id.b.domain; | |
c6d39e23 | 2342 | tsk->vp_index = fcport->vha->vp_idx; |
3822263e MI |
2343 | |
2344 | if (flags == TCF_LUN_RESET) { | |
2345 | int_to_scsilun(lun, &tsk->lun); | |
2346 | host_to_fcp_swap((uint8_t *)&tsk->lun, | |
2347 | sizeof(tsk->lun)); | |
2348 | } | |
2349 | } | |
2350 | ||
6eb54715 | 2351 | static void |
25ff6af1 | 2352 | qla2x00_els_dcmd_sp_free(void *data) |
6eb54715 | 2353 | { |
25ff6af1 | 2354 | srb_t *sp = data; |
6eb54715 HM |
2355 | struct srb_iocb *elsio = &sp->u.iocb_cmd; |
2356 | ||
2357 | kfree(sp->fcport); | |
2358 | ||
2359 | if (elsio->u.els_logo.els_logo_pyld) | |
25ff6af1 | 2360 | dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE, |
6eb54715 HM |
2361 | elsio->u.els_logo.els_logo_pyld, |
2362 | elsio->u.els_logo.els_logo_pyld_dma); | |
2363 | ||
2364 | del_timer(&elsio->timer); | |
25ff6af1 | 2365 | qla2x00_rel_sp(sp); |
6eb54715 HM |
2366 | } |
2367 | ||
2368 | static void | |
2369 | qla2x00_els_dcmd_iocb_timeout(void *data) | |
2370 | { | |
25ff6af1 | 2371 | srb_t *sp = data; |
6eb54715 | 2372 | fc_port_t *fcport = sp->fcport; |
25ff6af1 | 2373 | struct scsi_qla_host *vha = sp->vha; |
6eb54715 | 2374 | struct qla_hw_data *ha = vha->hw; |
25ff6af1 | 2375 | struct srb_iocb *lio = &sp->u.iocb_cmd; |
6eb54715 HM |
2376 | unsigned long flags = 0; |
2377 | ||
2378 | ql_dbg(ql_dbg_io, vha, 0x3069, | |
2379 | "%s Timeout, hdl=%x, portid=%02x%02x%02x\n", | |
2380 | sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, | |
2381 | fcport->d_id.b.al_pa); | |
2382 | ||
2383 | /* Abort the exchange */ | |
2384 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2385 | if (ha->isp_ops->abort_command(sp)) { | |
2386 | ql_dbg(ql_dbg_io, vha, 0x3070, | |
2387 | "mbx abort_command failed.\n"); | |
2388 | } else { | |
2389 | ql_dbg(ql_dbg_io, vha, 0x3071, | |
2390 | "mbx abort_command success.\n"); | |
2391 | } | |
2392 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2393 | ||
2394 | complete(&lio->u.els_logo.comp); | |
2395 | } | |
2396 | ||
2397 | static void | |
25ff6af1 | 2398 | qla2x00_els_dcmd_sp_done(void *ptr, int res) |
6eb54715 | 2399 | { |
25ff6af1 | 2400 | srb_t *sp = ptr; |
6eb54715 HM |
2401 | fc_port_t *fcport = sp->fcport; |
2402 | struct srb_iocb *lio = &sp->u.iocb_cmd; | |
25ff6af1 | 2403 | struct scsi_qla_host *vha = sp->vha; |
6eb54715 HM |
2404 | |
2405 | ql_dbg(ql_dbg_io, vha, 0x3072, | |
2406 | "%s hdl=%x, portid=%02x%02x%02x done\n", | |
2407 | sp->name, sp->handle, fcport->d_id.b.domain, | |
2408 | fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2409 | ||
2410 | complete(&lio->u.els_logo.comp); | |
2411 | } | |
2412 | ||
2413 | int | |
2414 | qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, | |
2415 | port_id_t remote_did) | |
2416 | { | |
2417 | srb_t *sp; | |
2418 | fc_port_t *fcport = NULL; | |
2419 | struct srb_iocb *elsio = NULL; | |
2420 | struct qla_hw_data *ha = vha->hw; | |
2421 | struct els_logo_payload logo_pyld; | |
2422 | int rval = QLA_SUCCESS; | |
2423 | ||
2424 | fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); | |
2425 | if (!fcport) { | |
2426 | ql_log(ql_log_info, vha, 0x70e5, "fcport allocation failed\n"); | |
2427 | return -ENOMEM; | |
2428 | } | |
2429 | ||
2430 | /* Alloc SRB structure */ | |
2431 | sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); | |
2432 | if (!sp) { | |
2433 | kfree(fcport); | |
2434 | ql_log(ql_log_info, vha, 0x70e6, | |
2435 | "SRB allocation failed\n"); | |
2436 | return -ENOMEM; | |
2437 | } | |
2438 | ||
2439 | elsio = &sp->u.iocb_cmd; | |
2440 | fcport->loop_id = 0xFFFF; | |
2441 | fcport->d_id.b.domain = remote_did.b.domain; | |
2442 | fcport->d_id.b.area = remote_did.b.area; | |
2443 | fcport->d_id.b.al_pa = remote_did.b.al_pa; | |
2444 | ||
2445 | ql_dbg(ql_dbg_io, vha, 0x3073, "portid=%02x%02x%02x done\n", | |
2446 | fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2447 | ||
2448 | sp->type = SRB_ELS_DCMD; | |
2449 | sp->name = "ELS_DCMD"; | |
2450 | sp->fcport = fcport; | |
2451 | qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); | |
2452 | elsio->timeout = qla2x00_els_dcmd_iocb_timeout; | |
2453 | sp->done = qla2x00_els_dcmd_sp_done; | |
2454 | sp->free = qla2x00_els_dcmd_sp_free; | |
2455 | ||
2456 | elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev, | |
2457 | DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma, | |
2458 | GFP_KERNEL); | |
2459 | ||
2460 | if (!elsio->u.els_logo.els_logo_pyld) { | |
25ff6af1 | 2461 | sp->free(sp); |
6eb54715 HM |
2462 | return QLA_FUNCTION_FAILED; |
2463 | } | |
2464 | ||
2465 | memset(&logo_pyld, 0, sizeof(struct els_logo_payload)); | |
2466 | ||
2467 | elsio->u.els_logo.els_cmd = els_opcode; | |
2468 | logo_pyld.opcode = els_opcode; | |
2469 | logo_pyld.s_id[0] = vha->d_id.b.al_pa; | |
2470 | logo_pyld.s_id[1] = vha->d_id.b.area; | |
2471 | logo_pyld.s_id[2] = vha->d_id.b.domain; | |
2472 | host_to_fcp_swap(logo_pyld.s_id, sizeof(uint32_t)); | |
2473 | memcpy(&logo_pyld.wwpn, vha->port_name, WWN_SIZE); | |
2474 | ||
2475 | memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld, | |
2476 | sizeof(struct els_logo_payload)); | |
2477 | ||
2478 | rval = qla2x00_start_sp(sp); | |
2479 | if (rval != QLA_SUCCESS) { | |
25ff6af1 | 2480 | sp->free(sp); |
6eb54715 HM |
2481 | return QLA_FUNCTION_FAILED; |
2482 | } | |
2483 | ||
2484 | ql_dbg(ql_dbg_io, vha, 0x3074, | |
2485 | "%s LOGO sent, hdl=%x, loopid=%x, portid=%02x%02x%02x.\n", | |
2486 | sp->name, sp->handle, fcport->loop_id, fcport->d_id.b.domain, | |
2487 | fcport->d_id.b.area, fcport->d_id.b.al_pa); | |
2488 | ||
2489 | wait_for_completion(&elsio->u.els_logo.comp); | |
2490 | ||
25ff6af1 | 2491 | sp->free(sp); |
6eb54715 HM |
2492 | return rval; |
2493 | } | |
2494 | ||
2495 | static void | |
2496 | qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) | |
2497 | { | |
25ff6af1 | 2498 | scsi_qla_host_t *vha = sp->vha; |
6eb54715 HM |
2499 | struct srb_iocb *elsio = &sp->u.iocb_cmd; |
2500 | ||
2501 | els_iocb->entry_type = ELS_IOCB_TYPE; | |
2502 | els_iocb->entry_count = 1; | |
2503 | els_iocb->sys_define = 0; | |
2504 | els_iocb->entry_status = 0; | |
2505 | els_iocb->handle = sp->handle; | |
2506 | els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2507 | els_iocb->tx_dsd_count = 1; | |
2508 | els_iocb->vp_index = vha->vp_idx; | |
2509 | els_iocb->sof_type = EST_SOFI3; | |
2510 | els_iocb->rx_dsd_count = 0; | |
2511 | els_iocb->opcode = elsio->u.els_logo.els_cmd; | |
2512 | ||
2513 | els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2514 | els_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
2515 | els_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
2516 | els_iocb->control_flags = 0; | |
2517 | ||
2518 | els_iocb->tx_byte_count = sizeof(struct els_logo_payload); | |
2519 | els_iocb->tx_address[0] = | |
2520 | cpu_to_le32(LSD(elsio->u.els_logo.els_logo_pyld_dma)); | |
2521 | els_iocb->tx_address[1] = | |
2522 | cpu_to_le32(MSD(elsio->u.els_logo.els_logo_pyld_dma)); | |
2523 | els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload)); | |
2524 | ||
2525 | els_iocb->rx_byte_count = 0; | |
2526 | els_iocb->rx_address[0] = 0; | |
2527 | els_iocb->rx_address[1] = 0; | |
2528 | els_iocb->rx_len = 0; | |
2529 | ||
25ff6af1 | 2530 | sp->vha->qla_stats.control_requests++; |
6eb54715 HM |
2531 | } |
2532 | ||
9a069e19 GM |
2533 | static void |
2534 | qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) | |
2535 | { | |
75cc8cfc | 2536 | struct bsg_job *bsg_job = sp->u.bsg_job; |
01e0e15c | 2537 | struct fc_bsg_request *bsg_request = bsg_job->request; |
9a069e19 GM |
2538 | |
2539 | els_iocb->entry_type = ELS_IOCB_TYPE; | |
2540 | els_iocb->entry_count = 1; | |
2541 | els_iocb->sys_define = 0; | |
2542 | els_iocb->entry_status = 0; | |
2543 | els_iocb->handle = sp->handle; | |
2544 | els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
ad950360 | 2545 | els_iocb->tx_dsd_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); |
25ff6af1 | 2546 | els_iocb->vp_index = sp->vha->vp_idx; |
9a069e19 | 2547 | els_iocb->sof_type = EST_SOFI3; |
ad950360 | 2548 | els_iocb->rx_dsd_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); |
9a069e19 | 2549 | |
4916392b | 2550 | els_iocb->opcode = |
9ba56b95 | 2551 | sp->type == SRB_ELS_CMD_RPT ? |
01e0e15c JT |
2552 | bsg_request->rqst_data.r_els.els_code : |
2553 | bsg_request->rqst_data.h_els.command_code; | |
9a069e19 GM |
2554 | els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; |
2555 | els_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
2556 | els_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
2557 | els_iocb->control_flags = 0; | |
2558 | els_iocb->rx_byte_count = | |
2559 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2560 | els_iocb->tx_byte_count = | |
2561 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2562 | ||
2563 | els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2564 | (bsg_job->request_payload.sg_list))); | |
2565 | els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2566 | (bsg_job->request_payload.sg_list))); | |
2567 | els_iocb->tx_len = cpu_to_le32(sg_dma_len | |
2568 | (bsg_job->request_payload.sg_list)); | |
2569 | ||
2570 | els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2571 | (bsg_job->reply_payload.sg_list))); | |
2572 | els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2573 | (bsg_job->reply_payload.sg_list))); | |
2574 | els_iocb->rx_len = cpu_to_le32(sg_dma_len | |
2575 | (bsg_job->reply_payload.sg_list)); | |
fabbb8df | 2576 | |
25ff6af1 | 2577 | sp->vha->qla_stats.control_requests++; |
9a069e19 GM |
2578 | } |
2579 | ||
9bc4f4fb HZ |
2580 | static void |
2581 | qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) | |
2582 | { | |
2583 | uint16_t avail_dsds; | |
2584 | uint32_t *cur_dsd; | |
2585 | struct scatterlist *sg; | |
2586 | int index; | |
2587 | uint16_t tot_dsds; | |
25ff6af1 | 2588 | scsi_qla_host_t *vha = sp->vha; |
9bc4f4fb | 2589 | struct qla_hw_data *ha = vha->hw; |
75cc8cfc | 2590 | struct bsg_job *bsg_job = sp->u.bsg_job; |
9bc4f4fb | 2591 | int loop_iterartion = 0; |
9bc4f4fb HZ |
2592 | int entry_count = 1; |
2593 | ||
2594 | memset(ct_iocb, 0, sizeof(ms_iocb_entry_t)); | |
2595 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
2596 | ct_iocb->entry_status = 0; | |
2597 | ct_iocb->handle1 = sp->handle; | |
2598 | SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id); | |
ad950360 BVA |
2599 | ct_iocb->status = cpu_to_le16(0); |
2600 | ct_iocb->control_flags = cpu_to_le16(0); | |
9bc4f4fb HZ |
2601 | ct_iocb->timeout = 0; |
2602 | ct_iocb->cmd_dsd_count = | |
ad950360 | 2603 | cpu_to_le16(bsg_job->request_payload.sg_cnt); |
9bc4f4fb | 2604 | ct_iocb->total_dsd_count = |
ad950360 | 2605 | cpu_to_le16(bsg_job->request_payload.sg_cnt + 1); |
9bc4f4fb HZ |
2606 | ct_iocb->req_bytecount = |
2607 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2608 | ct_iocb->rsp_bytecount = | |
2609 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2610 | ||
2611 | ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2612 | (bsg_job->request_payload.sg_list))); | |
2613 | ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2614 | (bsg_job->request_payload.sg_list))); | |
2615 | ct_iocb->dseg_req_length = ct_iocb->req_bytecount; | |
2616 | ||
2617 | ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2618 | (bsg_job->reply_payload.sg_list))); | |
2619 | ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2620 | (bsg_job->reply_payload.sg_list))); | |
2621 | ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount; | |
2622 | ||
2623 | avail_dsds = 1; | |
2624 | cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address; | |
2625 | index = 0; | |
2626 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
2627 | ||
2628 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
2629 | dma_addr_t sle_dma; | |
2630 | cont_a64_entry_t *cont_pkt; | |
2631 | ||
2632 | /* Allocate additional continuation packets? */ | |
2633 | if (avail_dsds == 0) { | |
2634 | /* | |
2635 | * Five DSDs are available in the Cont. | |
2636 | * Type 1 IOCB. | |
2637 | */ | |
0d2aa38e GM |
2638 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, |
2639 | vha->hw->req_q_map[0]); | |
9bc4f4fb HZ |
2640 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; |
2641 | avail_dsds = 5; | |
9bc4f4fb HZ |
2642 | entry_count++; |
2643 | } | |
2644 | ||
2645 | sle_dma = sg_dma_address(sg); | |
2646 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
2647 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
2648 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
2649 | loop_iterartion++; | |
2650 | avail_dsds--; | |
2651 | } | |
2652 | ct_iocb->entry_count = entry_count; | |
fabbb8df | 2653 | |
25ff6af1 | 2654 | sp->vha->qla_stats.control_requests++; |
9bc4f4fb HZ |
2655 | } |
2656 | ||
9a069e19 GM |
2657 | static void |
2658 | qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) | |
2659 | { | |
2660 | uint16_t avail_dsds; | |
2661 | uint32_t *cur_dsd; | |
2662 | struct scatterlist *sg; | |
2663 | int index; | |
2664 | uint16_t tot_dsds; | |
25ff6af1 | 2665 | scsi_qla_host_t *vha = sp->vha; |
0d2aa38e | 2666 | struct qla_hw_data *ha = vha->hw; |
75cc8cfc | 2667 | struct bsg_job *bsg_job = sp->u.bsg_job; |
9a069e19 | 2668 | int loop_iterartion = 0; |
9a069e19 GM |
2669 | int entry_count = 1; |
2670 | ||
2671 | ct_iocb->entry_type = CT_IOCB_TYPE; | |
2672 | ct_iocb->entry_status = 0; | |
2673 | ct_iocb->sys_define = 0; | |
2674 | ct_iocb->handle = sp->handle; | |
2675 | ||
2676 | ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
25ff6af1 | 2677 | ct_iocb->vp_index = sp->vha->vp_idx; |
ad950360 | 2678 | ct_iocb->comp_status = cpu_to_le16(0); |
9a069e19 GM |
2679 | |
2680 | ct_iocb->cmd_dsd_count = | |
ad950360 | 2681 | cpu_to_le16(bsg_job->request_payload.sg_cnt); |
9a069e19 GM |
2682 | ct_iocb->timeout = 0; |
2683 | ct_iocb->rsp_dsd_count = | |
ad950360 | 2684 | cpu_to_le16(bsg_job->reply_payload.sg_cnt); |
9a069e19 GM |
2685 | ct_iocb->rsp_byte_count = |
2686 | cpu_to_le32(bsg_job->reply_payload.payload_len); | |
2687 | ct_iocb->cmd_byte_count = | |
2688 | cpu_to_le32(bsg_job->request_payload.payload_len); | |
2689 | ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address | |
2690 | (bsg_job->request_payload.sg_list))); | |
2691 | ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address | |
2692 | (bsg_job->request_payload.sg_list))); | |
2693 | ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len | |
2694 | (bsg_job->request_payload.sg_list)); | |
2695 | ||
2696 | avail_dsds = 1; | |
2697 | cur_dsd = (uint32_t *)ct_iocb->dseg_1_address; | |
2698 | index = 0; | |
2699 | tot_dsds = bsg_job->reply_payload.sg_cnt; | |
2700 | ||
2701 | for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { | |
2702 | dma_addr_t sle_dma; | |
2703 | cont_a64_entry_t *cont_pkt; | |
2704 | ||
2705 | /* Allocate additional continuation packets? */ | |
2706 | if (avail_dsds == 0) { | |
2707 | /* | |
2708 | * Five DSDs are available in the Cont. | |
2709 | * Type 1 IOCB. | |
2710 | */ | |
0d2aa38e GM |
2711 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, |
2712 | ha->req_q_map[0]); | |
9a069e19 GM |
2713 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; |
2714 | avail_dsds = 5; | |
9a069e19 GM |
2715 | entry_count++; |
2716 | } | |
2717 | ||
2718 | sle_dma = sg_dma_address(sg); | |
2719 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
2720 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
2721 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
2722 | loop_iterartion++; | |
2723 | avail_dsds--; | |
2724 | } | |
2725 | ct_iocb->entry_count = entry_count; | |
2726 | } | |
2727 | ||
5162cf0c GM |
2728 | /* |
2729 | * qla82xx_start_scsi() - Send a SCSI command to the ISP | |
2730 | * @sp: command to send to the ISP | |
2731 | * | |
2732 | * Returns non-zero if a failure occurred, else zero. | |
2733 | */ | |
2734 | int | |
2735 | qla82xx_start_scsi(srb_t *sp) | |
2736 | { | |
52c82823 | 2737 | int nseg; |
5162cf0c GM |
2738 | unsigned long flags; |
2739 | struct scsi_cmnd *cmd; | |
2740 | uint32_t *clr_ptr; | |
2741 | uint32_t index; | |
2742 | uint32_t handle; | |
2743 | uint16_t cnt; | |
2744 | uint16_t req_cnt; | |
2745 | uint16_t tot_dsds; | |
2746 | struct device_reg_82xx __iomem *reg; | |
2747 | uint32_t dbval; | |
2748 | uint32_t *fcp_dl; | |
2749 | uint8_t additional_cdb_len; | |
2750 | struct ct6_dsd *ctx; | |
25ff6af1 | 2751 | struct scsi_qla_host *vha = sp->vha; |
5162cf0c GM |
2752 | struct qla_hw_data *ha = vha->hw; |
2753 | struct req_que *req = NULL; | |
2754 | struct rsp_que *rsp = NULL; | |
5162cf0c GM |
2755 | |
2756 | /* Setup device pointers. */ | |
5162cf0c | 2757 | reg = &ha->iobase->isp82; |
9ba56b95 | 2758 | cmd = GET_CMD_SP(sp); |
5162cf0c GM |
2759 | req = vha->req; |
2760 | rsp = ha->rsp_q_map[0]; | |
2761 | ||
2762 | /* So we know we haven't pci_map'ed anything yet */ | |
2763 | tot_dsds = 0; | |
2764 | ||
2765 | dbval = 0x04 | (ha->portnum << 5); | |
2766 | ||
2767 | /* Send marker if required */ | |
2768 | if (vha->marker_needed != 0) { | |
2769 | if (qla2x00_marker(vha, req, | |
2770 | rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) { | |
2771 | ql_log(ql_log_warn, vha, 0x300c, | |
2772 | "qla2x00_marker failed for cmd=%p.\n", cmd); | |
2773 | return QLA_FUNCTION_FAILED; | |
2774 | } | |
2775 | vha->marker_needed = 0; | |
2776 | } | |
2777 | ||
2778 | /* Acquire ring specific lock */ | |
2779 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2780 | ||
2781 | /* Check for room in outstanding command list. */ | |
2782 | handle = req->current_outstanding_cmd; | |
8d93f550 | 2783 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
5162cf0c | 2784 | handle++; |
8d93f550 | 2785 | if (handle == req->num_outstanding_cmds) |
5162cf0c GM |
2786 | handle = 1; |
2787 | if (!req->outstanding_cmds[handle]) | |
2788 | break; | |
2789 | } | |
8d93f550 | 2790 | if (index == req->num_outstanding_cmds) |
5162cf0c GM |
2791 | goto queuing_error; |
2792 | ||
2793 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2794 | if (scsi_sg_count(cmd)) { | |
2795 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
2796 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
2797 | if (unlikely(!nseg)) | |
2798 | goto queuing_error; | |
2799 | } else | |
2800 | nseg = 0; | |
2801 | ||
2802 | tot_dsds = nseg; | |
2803 | ||
2804 | if (tot_dsds > ql2xshiftctondsd) { | |
2805 | struct cmd_type_6 *cmd_pkt; | |
2806 | uint16_t more_dsd_lists = 0; | |
2807 | struct dsd_dma *dsd_ptr; | |
2808 | uint16_t i; | |
2809 | ||
2810 | more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds); | |
2811 | if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) { | |
2812 | ql_dbg(ql_dbg_io, vha, 0x300d, | |
2813 | "Num of DSD list %d is than %d for cmd=%p.\n", | |
2814 | more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN, | |
2815 | cmd); | |
2816 | goto queuing_error; | |
2817 | } | |
2818 | ||
2819 | if (more_dsd_lists <= ha->gbl_dsd_avail) | |
2820 | goto sufficient_dsds; | |
2821 | else | |
2822 | more_dsd_lists -= ha->gbl_dsd_avail; | |
2823 | ||
2824 | for (i = 0; i < more_dsd_lists; i++) { | |
2825 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
2826 | if (!dsd_ptr) { | |
2827 | ql_log(ql_log_fatal, vha, 0x300e, | |
2828 | "Failed to allocate memory for dsd_dma " | |
2829 | "for cmd=%p.\n", cmd); | |
2830 | goto queuing_error; | |
2831 | } | |
2832 | ||
2833 | dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, | |
2834 | GFP_ATOMIC, &dsd_ptr->dsd_list_dma); | |
2835 | if (!dsd_ptr->dsd_addr) { | |
2836 | kfree(dsd_ptr); | |
2837 | ql_log(ql_log_fatal, vha, 0x300f, | |
2838 | "Failed to allocate memory for dsd_addr " | |
2839 | "for cmd=%p.\n", cmd); | |
2840 | goto queuing_error; | |
2841 | } | |
2842 | list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); | |
2843 | ha->gbl_dsd_avail++; | |
2844 | } | |
2845 | ||
2846 | sufficient_dsds: | |
2847 | req_cnt = 1; | |
2848 | ||
2849 | if (req->cnt < (req_cnt + 2)) { | |
2850 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2851 | ®->req_q_out[0]); | |
2852 | if (req->ring_index < cnt) | |
2853 | req->cnt = cnt - req->ring_index; | |
2854 | else | |
2855 | req->cnt = req->length - | |
2856 | (req->ring_index - cnt); | |
a6eb3c9f CL |
2857 | if (req->cnt < (req_cnt + 2)) |
2858 | goto queuing_error; | |
5162cf0c GM |
2859 | } |
2860 | ||
9ba56b95 GM |
2861 | ctx = sp->u.scmd.ctx = |
2862 | mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); | |
2863 | if (!ctx) { | |
5162cf0c GM |
2864 | ql_log(ql_log_fatal, vha, 0x3010, |
2865 | "Failed to allocate ctx for cmd=%p.\n", cmd); | |
2866 | goto queuing_error; | |
2867 | } | |
9ba56b95 | 2868 | |
5162cf0c GM |
2869 | memset(ctx, 0, sizeof(struct ct6_dsd)); |
2870 | ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, | |
2871 | GFP_ATOMIC, &ctx->fcp_cmnd_dma); | |
2872 | if (!ctx->fcp_cmnd) { | |
2873 | ql_log(ql_log_fatal, vha, 0x3011, | |
2874 | "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd); | |
841f97bf | 2875 | goto queuing_error; |
5162cf0c GM |
2876 | } |
2877 | ||
2878 | /* Initialize the DSD list and dma handle */ | |
2879 | INIT_LIST_HEAD(&ctx->dsd_list); | |
2880 | ctx->dsd_use_cnt = 0; | |
2881 | ||
2882 | if (cmd->cmd_len > 16) { | |
2883 | additional_cdb_len = cmd->cmd_len - 16; | |
2884 | if ((cmd->cmd_len % 4) != 0) { | |
2885 | /* SCSI command bigger than 16 bytes must be | |
2886 | * multiple of 4 | |
2887 | */ | |
2888 | ql_log(ql_log_warn, vha, 0x3012, | |
2889 | "scsi cmd len %d not multiple of 4 " | |
2890 | "for cmd=%p.\n", cmd->cmd_len, cmd); | |
2891 | goto queuing_error_fcp_cmnd; | |
2892 | } | |
2893 | ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
2894 | } else { | |
2895 | additional_cdb_len = 0; | |
2896 | ctx->fcp_cmnd_len = 12 + 16 + 4; | |
2897 | } | |
2898 | ||
2899 | cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; | |
2900 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2901 | ||
2902 | /* Zero out remaining portion of packet. */ | |
2903 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ | |
2904 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2905 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2906 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2907 | ||
2908 | /* Set NPORT-ID and LUN number*/ | |
2909 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2910 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2911 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2912 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2913 | cmd_pkt->vp_index = sp->vha->vp_idx; |
5162cf0c GM |
2914 | |
2915 | /* Build IOCB segments */ | |
2916 | if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) | |
2917 | goto queuing_error_fcp_cmnd; | |
2918 | ||
9ba56b95 | 2919 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
5162cf0c GM |
2920 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
2921 | ||
2922 | /* build FCP_CMND IU */ | |
2923 | memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); | |
9ba56b95 | 2924 | int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); |
5162cf0c GM |
2925 | ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; |
2926 | ||
2927 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
2928 | ctx->fcp_cmnd->additional_cdb_len |= 1; | |
2929 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
2930 | ctx->fcp_cmnd->additional_cdb_len |= 2; | |
2931 | ||
a00f6296 SK |
2932 | /* Populate the FCP_PRIO. */ |
2933 | if (ha->flags.fcp_prio_enabled) | |
2934 | ctx->fcp_cmnd->task_attribute |= | |
2935 | sp->fcport->fcp_prio << 3; | |
2936 | ||
5162cf0c GM |
2937 | memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); |
2938 | ||
2939 | fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + | |
2940 | additional_cdb_len); | |
2941 | *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); | |
2942 | ||
2943 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); | |
2944 | cmd_pkt->fcp_cmnd_dseg_address[0] = | |
2945 | cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); | |
2946 | cmd_pkt->fcp_cmnd_dseg_address[1] = | |
2947 | cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); | |
2948 | ||
2949 | sp->flags |= SRB_FCP_CMND_DMA_VALID; | |
2950 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
2951 | /* Set total data segment count. */ | |
2952 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2953 | /* Specify response queue number where | |
2954 | * completion should happen | |
2955 | */ | |
2956 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
2957 | } else { | |
2958 | struct cmd_type_7 *cmd_pkt; | |
2959 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
2960 | if (req->cnt < (req_cnt + 2)) { | |
2961 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2962 | ®->req_q_out[0]); | |
2963 | if (req->ring_index < cnt) | |
2964 | req->cnt = cnt - req->ring_index; | |
2965 | else | |
2966 | req->cnt = req->length - | |
2967 | (req->ring_index - cnt); | |
2968 | } | |
2969 | if (req->cnt < (req_cnt + 2)) | |
2970 | goto queuing_error; | |
2971 | ||
2972 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; | |
2973 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2974 | ||
2975 | /* Zero out remaining portion of packet. */ | |
2976 | /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ | |
2977 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2978 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2979 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2980 | ||
2981 | /* Set NPORT-ID and LUN number*/ | |
2982 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2983 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2984 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2985 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
25ff6af1 | 2986 | cmd_pkt->vp_index = sp->vha->vp_idx; |
5162cf0c | 2987 | |
9ba56b95 | 2988 | int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); |
5162cf0c | 2989 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, |
9ba56b95 | 2990 | sizeof(cmd_pkt->lun)); |
5162cf0c | 2991 | |
a00f6296 SK |
2992 | /* Populate the FCP_PRIO. */ |
2993 | if (ha->flags.fcp_prio_enabled) | |
2994 | cmd_pkt->task |= sp->fcport->fcp_prio << 3; | |
2995 | ||
5162cf0c GM |
2996 | /* Load SCSI command packet. */ |
2997 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
2998 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
2999 | ||
3000 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
3001 | ||
3002 | /* Build IOCB segments */ | |
d7459527 | 3003 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req); |
5162cf0c GM |
3004 | |
3005 | /* Set total data segment count. */ | |
3006 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
3007 | /* Specify response queue number where | |
3008 | * completion should happen. | |
3009 | */ | |
3010 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
3011 | ||
3012 | } | |
3013 | /* Build command packet. */ | |
3014 | req->current_outstanding_cmd = handle; | |
3015 | req->outstanding_cmds[handle] = sp; | |
3016 | sp->handle = handle; | |
9ba56b95 | 3017 | cmd->host_scribble = (unsigned char *)(unsigned long)handle; |
5162cf0c GM |
3018 | req->cnt -= req_cnt; |
3019 | wmb(); | |
3020 | ||
3021 | /* Adjust ring index. */ | |
3022 | req->ring_index++; | |
3023 | if (req->ring_index == req->length) { | |
3024 | req->ring_index = 0; | |
3025 | req->ring_ptr = req->ring; | |
3026 | } else | |
3027 | req->ring_ptr++; | |
3028 | ||
3029 | sp->flags |= SRB_DMA_VALID; | |
3030 | ||
3031 | /* Set chip new ring index. */ | |
3032 | /* write, read and verify logic */ | |
3033 | dbval = dbval | (req->id << 8) | (req->ring_index << 16); | |
3034 | if (ql2xdbwr) | |
8dfa4b5a | 3035 | qla82xx_wr_32(ha, (uintptr_t __force)ha->nxdb_wr_ptr, dbval); |
5162cf0c | 3036 | else { |
8dfa4b5a | 3037 | WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval); |
5162cf0c | 3038 | wmb(); |
8dfa4b5a BVA |
3039 | while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { |
3040 | WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval); | |
5162cf0c GM |
3041 | wmb(); |
3042 | } | |
3043 | } | |
3044 | ||
3045 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
3046 | if (vha->flags.process_response_queue && | |
3047 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
3048 | qla24xx_process_response_queue(vha, rsp); | |
3049 | ||
3050 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3051 | return QLA_SUCCESS; | |
3052 | ||
3053 | queuing_error_fcp_cmnd: | |
3054 | dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); | |
3055 | queuing_error: | |
3056 | if (tot_dsds) | |
3057 | scsi_dma_unmap(cmd); | |
3058 | ||
9ba56b95 GM |
3059 | if (sp->u.scmd.ctx) { |
3060 | mempool_free(sp->u.scmd.ctx, ha->ctx_mempool); | |
3061 | sp->u.scmd.ctx = NULL; | |
5162cf0c GM |
3062 | } |
3063 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3064 | ||
3065 | return QLA_FUNCTION_FAILED; | |
3066 | } | |
3067 | ||
6d78e557 | 3068 | static void |
4440e46d AB |
3069 | qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb) |
3070 | { | |
3071 | struct srb_iocb *aio = &sp->u.iocb_cmd; | |
25ff6af1 | 3072 | scsi_qla_host_t *vha = sp->vha; |
4440e46d AB |
3073 | struct req_que *req = vha->req; |
3074 | ||
3075 | memset(abt_iocb, 0, sizeof(struct abort_entry_24xx)); | |
3076 | abt_iocb->entry_type = ABORT_IOCB_TYPE; | |
3077 | abt_iocb->entry_count = 1; | |
3078 | abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle)); | |
3079 | abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
3080 | abt_iocb->handle_to_abort = | |
3081 | cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl)); | |
3082 | abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; | |
3083 | abt_iocb->port_id[1] = sp->fcport->d_id.b.area; | |
3084 | abt_iocb->port_id[2] = sp->fcport->d_id.b.domain; | |
3085 | abt_iocb->vp_index = vha->vp_idx; | |
3086 | abt_iocb->req_que_no = cpu_to_le16(req->id); | |
3087 | /* Send the command to the firmware */ | |
3088 | wmb(); | |
3089 | } | |
3090 | ||
726b8548 QT |
3091 | static void |
3092 | qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx) | |
3093 | { | |
3094 | int i, sz; | |
3095 | ||
3096 | mbx->entry_type = MBX_IOCB_TYPE; | |
3097 | mbx->handle = sp->handle; | |
3098 | sz = min(ARRAY_SIZE(mbx->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.out_mb)); | |
3099 | ||
3100 | for (i = 0; i < sz; i++) | |
3101 | mbx->mb[i] = cpu_to_le16(sp->u.iocb_cmd.u.mbx.out_mb[i]); | |
3102 | } | |
3103 | ||
3104 | static void | |
3105 | qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt) | |
3106 | { | |
3107 | sp->u.iocb_cmd.u.ctarg.iocb = ct_pkt; | |
3108 | qla24xx_prep_ms_iocb(sp->vha, &sp->u.iocb_cmd.u.ctarg); | |
3109 | ct_pkt->handle = sp->handle; | |
3110 | } | |
3111 | ||
3112 | static void qla2x00_send_notify_ack_iocb(srb_t *sp, | |
3113 | struct nack_to_isp *nack) | |
3114 | { | |
3115 | struct imm_ntfy_from_isp *ntfy = sp->u.iocb_cmd.u.nack.ntfy; | |
3116 | ||
3117 | nack->entry_type = NOTIFY_ACK_TYPE; | |
3118 | nack->entry_count = 1; | |
3119 | nack->ox_id = ntfy->ox_id; | |
3120 | ||
3121 | nack->u.isp24.handle = sp->handle; | |
3122 | nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle; | |
3123 | if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) { | |
3124 | nack->u.isp24.flags = ntfy->u.isp24.flags & | |
3125 | cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB); | |
3126 | } | |
3127 | nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id; | |
3128 | nack->u.isp24.status = ntfy->u.isp24.status; | |
3129 | nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode; | |
3130 | nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle; | |
3131 | nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address; | |
3132 | nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs; | |
3133 | nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui; | |
3134 | nack->u.isp24.srr_flags = 0; | |
3135 | nack->u.isp24.srr_reject_code = 0; | |
3136 | nack->u.isp24.srr_reject_code_expl = 0; | |
3137 | nack->u.isp24.vp_index = ntfy->u.isp24.vp_index; | |
3138 | } | |
3139 | ||
ac280b67 AV |
3140 | int |
3141 | qla2x00_start_sp(srb_t *sp) | |
3142 | { | |
3143 | int rval; | |
25ff6af1 | 3144 | scsi_qla_host_t *vha = sp->vha; |
726b8548 | 3145 | struct qla_hw_data *ha = vha->hw; |
ac280b67 | 3146 | void *pkt; |
ac280b67 AV |
3147 | unsigned long flags; |
3148 | ||
3149 | rval = QLA_FUNCTION_FAILED; | |
3150 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
726b8548 | 3151 | pkt = qla2x00_alloc_iocbs(vha, sp); |
7c3df132 | 3152 | if (!pkt) { |
726b8548 | 3153 | ql_log(ql_log_warn, vha, 0x700c, |
7c3df132 | 3154 | "qla2x00_alloc_iocbs failed.\n"); |
ac280b67 | 3155 | goto done; |
7c3df132 | 3156 | } |
ac280b67 AV |
3157 | |
3158 | rval = QLA_SUCCESS; | |
9ba56b95 | 3159 | switch (sp->type) { |
ac280b67 AV |
3160 | case SRB_LOGIN_CMD: |
3161 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 3162 | qla24xx_login_iocb(sp, pkt) : |
ac280b67 AV |
3163 | qla2x00_login_iocb(sp, pkt); |
3164 | break; | |
3165 | case SRB_LOGOUT_CMD: | |
3166 | IS_FWI2_CAPABLE(ha) ? | |
5ff1d584 | 3167 | qla24xx_logout_iocb(sp, pkt) : |
ac280b67 AV |
3168 | qla2x00_logout_iocb(sp, pkt); |
3169 | break; | |
9a069e19 GM |
3170 | case SRB_ELS_CMD_RPT: |
3171 | case SRB_ELS_CMD_HST: | |
3172 | qla24xx_els_iocb(sp, pkt); | |
3173 | break; | |
3174 | case SRB_CT_CMD: | |
9bc4f4fb | 3175 | IS_FWI2_CAPABLE(ha) ? |
5780790e AV |
3176 | qla24xx_ct_iocb(sp, pkt) : |
3177 | qla2x00_ct_iocb(sp, pkt); | |
9a069e19 | 3178 | break; |
5ff1d584 AV |
3179 | case SRB_ADISC_CMD: |
3180 | IS_FWI2_CAPABLE(ha) ? | |
3181 | qla24xx_adisc_iocb(sp, pkt) : | |
3182 | qla2x00_adisc_iocb(sp, pkt); | |
3183 | break; | |
3822263e | 3184 | case SRB_TM_CMD: |
8ae6d9c7 GM |
3185 | IS_QLAFX00(ha) ? |
3186 | qlafx00_tm_iocb(sp, pkt) : | |
3187 | qla24xx_tm_iocb(sp, pkt); | |
3188 | break; | |
3189 | case SRB_FXIOCB_DCMD: | |
3190 | case SRB_FXIOCB_BCMD: | |
3191 | qlafx00_fxdisc_iocb(sp, pkt); | |
3192 | break; | |
3193 | case SRB_ABT_CMD: | |
4440e46d AB |
3194 | IS_QLAFX00(ha) ? |
3195 | qlafx00_abort_iocb(sp, pkt) : | |
3196 | qla24xx_abort_iocb(sp, pkt); | |
3822263e | 3197 | break; |
6eb54715 HM |
3198 | case SRB_ELS_DCMD: |
3199 | qla24xx_els_logo_iocb(sp, pkt); | |
3200 | break; | |
726b8548 QT |
3201 | case SRB_CT_PTHRU_CMD: |
3202 | qla2x00_ctpthru_cmd_iocb(sp, pkt); | |
3203 | break; | |
3204 | case SRB_MB_IOCB: | |
3205 | qla2x00_mb_iocb(sp, pkt); | |
3206 | break; | |
3207 | case SRB_NACK_PLOGI: | |
3208 | case SRB_NACK_PRLI: | |
3209 | case SRB_NACK_LOGO: | |
3210 | qla2x00_send_notify_ack_iocb(sp, pkt); | |
3211 | break; | |
ac280b67 AV |
3212 | default: |
3213 | break; | |
3214 | } | |
3215 | ||
3216 | wmb(); | |
726b8548 | 3217 | qla2x00_start_iocbs(vha, ha->req_q_map[0]); |
ac280b67 AV |
3218 | done: |
3219 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3220 | return rval; | |
3221 | } | |
a9b6f722 SK |
3222 | |
3223 | static void | |
3224 | qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha, | |
3225 | struct cmd_bidir *cmd_pkt, uint32_t tot_dsds) | |
3226 | { | |
3227 | uint16_t avail_dsds; | |
3228 | uint32_t *cur_dsd; | |
3229 | uint32_t req_data_len = 0; | |
3230 | uint32_t rsp_data_len = 0; | |
3231 | struct scatterlist *sg; | |
3232 | int index; | |
3233 | int entry_count = 1; | |
75cc8cfc | 3234 | struct bsg_job *bsg_job = sp->u.bsg_job; |
a9b6f722 SK |
3235 | |
3236 | /*Update entry type to indicate bidir command */ | |
3237 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
ad950360 | 3238 | cpu_to_le32(COMMAND_BIDIRECTIONAL); |
a9b6f722 SK |
3239 | |
3240 | /* Set the transfer direction, in this set both flags | |
3241 | * Also set the BD_WRAP_BACK flag, firmware will take care | |
3242 | * assigning DID=SID for outgoing pkts. | |
3243 | */ | |
3244 | cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); | |
3245 | cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); | |
ad950360 | 3246 | cmd_pkt->control_flags = cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA | |
a9b6f722 SK |
3247 | BD_WRAP_BACK); |
3248 | ||
3249 | req_data_len = rsp_data_len = bsg_job->request_payload.payload_len; | |
3250 | cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len); | |
3251 | cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len); | |
3252 | cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2); | |
3253 | ||
3254 | vha->bidi_stats.transfer_bytes += req_data_len; | |
3255 | vha->bidi_stats.io_count++; | |
3256 | ||
fabbb8df JC |
3257 | vha->qla_stats.output_bytes += req_data_len; |
3258 | vha->qla_stats.output_requests++; | |
3259 | ||
a9b6f722 SK |
3260 | /* Only one dsd is available for bidirectional IOCB, remaining dsds |
3261 | * are bundled in continuation iocb | |
3262 | */ | |
3263 | avail_dsds = 1; | |
3264 | cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; | |
3265 | ||
3266 | index = 0; | |
3267 | ||
3268 | for_each_sg(bsg_job->request_payload.sg_list, sg, | |
3269 | bsg_job->request_payload.sg_cnt, index) { | |
3270 | dma_addr_t sle_dma; | |
3271 | cont_a64_entry_t *cont_pkt; | |
3272 | ||
3273 | /* Allocate additional continuation packets */ | |
3274 | if (avail_dsds == 0) { | |
3275 | /* Continuation type 1 IOCB can accomodate | |
3276 | * 5 DSDS | |
3277 | */ | |
3278 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); | |
3279 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
3280 | avail_dsds = 5; | |
3281 | entry_count++; | |
3282 | } | |
3283 | sle_dma = sg_dma_address(sg); | |
3284 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
3285 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
3286 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
3287 | avail_dsds--; | |
3288 | } | |
3289 | /* For read request DSD will always goes to continuation IOCB | |
3290 | * and follow the write DSD. If there is room on the current IOCB | |
3291 | * then it is added to that IOCB else new continuation IOCB is | |
3292 | * allocated. | |
3293 | */ | |
3294 | for_each_sg(bsg_job->reply_payload.sg_list, sg, | |
3295 | bsg_job->reply_payload.sg_cnt, index) { | |
3296 | dma_addr_t sle_dma; | |
3297 | cont_a64_entry_t *cont_pkt; | |
3298 | ||
3299 | /* Allocate additional continuation packets */ | |
3300 | if (avail_dsds == 0) { | |
3301 | /* Continuation type 1 IOCB can accomodate | |
3302 | * 5 DSDS | |
3303 | */ | |
3304 | cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); | |
3305 | cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; | |
3306 | avail_dsds = 5; | |
3307 | entry_count++; | |
3308 | } | |
3309 | sle_dma = sg_dma_address(sg); | |
3310 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
3311 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
3312 | *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); | |
3313 | avail_dsds--; | |
3314 | } | |
3315 | /* This value should be same as number of IOCB required for this cmd */ | |
3316 | cmd_pkt->entry_count = entry_count; | |
3317 | } | |
3318 | ||
3319 | int | |
3320 | qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) | |
3321 | { | |
3322 | ||
3323 | struct qla_hw_data *ha = vha->hw; | |
3324 | unsigned long flags; | |
3325 | uint32_t handle; | |
3326 | uint32_t index; | |
3327 | uint16_t req_cnt; | |
3328 | uint16_t cnt; | |
3329 | uint32_t *clr_ptr; | |
3330 | struct cmd_bidir *cmd_pkt = NULL; | |
3331 | struct rsp_que *rsp; | |
3332 | struct req_que *req; | |
3333 | int rval = EXT_STATUS_OK; | |
a9b6f722 SK |
3334 | |
3335 | rval = QLA_SUCCESS; | |
3336 | ||
3337 | rsp = ha->rsp_q_map[0]; | |
3338 | req = vha->req; | |
3339 | ||
3340 | /* Send marker if required */ | |
3341 | if (vha->marker_needed != 0) { | |
3342 | if (qla2x00_marker(vha, req, | |
3343 | rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) | |
3344 | return EXT_STATUS_MAILBOX; | |
3345 | vha->marker_needed = 0; | |
3346 | } | |
3347 | ||
3348 | /* Acquire ring specific lock */ | |
3349 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3350 | ||
3351 | /* Check for room in outstanding command list. */ | |
3352 | handle = req->current_outstanding_cmd; | |
8d93f550 | 3353 | for (index = 1; index < req->num_outstanding_cmds; index++) { |
a9b6f722 | 3354 | handle++; |
8d2b21db BVA |
3355 | if (handle == req->num_outstanding_cmds) |
3356 | handle = 1; | |
3357 | if (!req->outstanding_cmds[handle]) | |
3358 | break; | |
a9b6f722 SK |
3359 | } |
3360 | ||
8d93f550 | 3361 | if (index == req->num_outstanding_cmds) { |
a9b6f722 SK |
3362 | rval = EXT_STATUS_BUSY; |
3363 | goto queuing_error; | |
3364 | } | |
3365 | ||
3366 | /* Calculate number of IOCB required */ | |
3367 | req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); | |
3368 | ||
3369 | /* Check for room on request queue. */ | |
3370 | if (req->cnt < req_cnt + 2) { | |
7c6300e3 JC |
3371 | cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : |
3372 | RD_REG_DWORD_RELAXED(req->req_q_out); | |
a9b6f722 SK |
3373 | if (req->ring_index < cnt) |
3374 | req->cnt = cnt - req->ring_index; | |
3375 | else | |
3376 | req->cnt = req->length - | |
3377 | (req->ring_index - cnt); | |
3378 | } | |
3379 | if (req->cnt < req_cnt + 2) { | |
3380 | rval = EXT_STATUS_BUSY; | |
3381 | goto queuing_error; | |
3382 | } | |
3383 | ||
3384 | cmd_pkt = (struct cmd_bidir *)req->ring_ptr; | |
3385 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
3386 | ||
3387 | /* Zero out remaining portion of packet. */ | |
3388 | /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ | |
3389 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
3390 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
3391 | ||
3392 | /* Set NPORT-ID (of vha)*/ | |
3393 | cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id); | |
3394 | cmd_pkt->port_id[0] = vha->d_id.b.al_pa; | |
3395 | cmd_pkt->port_id[1] = vha->d_id.b.area; | |
3396 | cmd_pkt->port_id[2] = vha->d_id.b.domain; | |
3397 | ||
3398 | qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds); | |
3399 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
3400 | /* Build command packet. */ | |
3401 | req->current_outstanding_cmd = handle; | |
3402 | req->outstanding_cmds[handle] = sp; | |
3403 | sp->handle = handle; | |
3404 | req->cnt -= req_cnt; | |
3405 | ||
3406 | /* Send the command to the firmware */ | |
3407 | wmb(); | |
3408 | qla2x00_start_iocbs(vha, req); | |
3409 | queuing_error: | |
3410 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3411 | return rval; | |
3412 | } |