1 /*
2 * mr_sas_tbolt.c: source for mr_sas driver for New Generation.
3 * i.e. Thunderbolt and Invader
4 *
5 * Solaris MegaRAID device driver for SAS2.0 controllers
6 * Copyright (c) 2008-2012, LSI Logic Corporation.
7 * All rights reserved.
8 *
9 * Version:
10 * Author:
11 * Swaminathan K S
12 * Arun Chandrashekhar
13 * Manju R
14 * Rasheed
15 * Shakeel Bukhari
16 */
17
18 /*
19 * Copyright 2018 Nexenta Systems, Inc.
20 * Copyright 2015, 2017 Citrus IT Limited. All rights reserved.
21 * Copyright 2015 Garrett D'Amore <garrett@damore.org>
22 */
23
24
25 #include <sys/types.h>
26 #include <sys/file.h>
27 #include <sys/atomic.h>
28 #include <sys/scsi/scsi.h>
29 #include <sys/byteorder.h>
30 #include <sys/sdt.h>
31 #include "ld_pd_map.h"
32 #include "mr_sas.h"
33 #include "fusion.h"
34
35 /*
36 * FMA header files
37 */
38 #include <sys/ddifm.h>
39 #include <sys/fm/protocol.h>
40 #include <sys/fm/util.h>
41 #include <sys/fm/io/ddi.h>
42
43
44 /* Pre-TB command size and TB command size. */
45 #define MR_COMMAND_SIZE (64*20) /* 1280 bytes */
46 MR_LD_RAID *MR_LdRaidGet(U32 ld, MR_FW_RAID_MAP_ALL *map);
47 U16 MR_TargetIdToLdGet(U32 ldTgtId, MR_FW_RAID_MAP_ALL *map);
48 U16 MR_GetLDTgtId(U32 ld, MR_FW_RAID_MAP_ALL *map);
49 U16 get_updated_dev_handle(PLD_LOAD_BALANCE_INFO, struct IO_REQUEST_INFO *);
50 extern ddi_dma_attr_t mrsas_generic_dma_attr;
51 extern uint32_t mrsas_tbolt_max_cap_maxxfer;
52 extern struct ddi_device_acc_attr endian_attr;
53 extern int debug_level_g;
54 extern unsigned int enable_fp;
55 volatile int dump_io_wait_time = 900;
56 extern volatile int debug_timeout_g;
57 extern int mrsas_issue_pending_cmds(struct mrsas_instance *);
58 extern int mrsas_complete_pending_cmds(struct mrsas_instance *instance);
59 extern void push_pending_mfi_pkt(struct mrsas_instance *,
60 struct mrsas_cmd *);
61 extern U8 MR_BuildRaidContext(struct mrsas_instance *, struct IO_REQUEST_INFO *,
62 MPI2_SCSI_IO_VENDOR_UNIQUE *, MR_FW_RAID_MAP_ALL *);
63
64 /* Local static prototypes. */
65 static struct mrsas_cmd *mrsas_tbolt_build_cmd(struct mrsas_instance *,
66 struct scsi_address *, struct scsi_pkt *, uchar_t *);
67 static void mrsas_tbolt_set_pd_lba(U8 *, size_t, uint8_t *, U64, U32);
68 static int mrsas_tbolt_check_map_info(struct mrsas_instance *);
69 static int mrsas_tbolt_sync_map_info(struct mrsas_instance *);
70 static int mrsas_tbolt_prepare_pkt(struct scsa_cmd *);
71 static int mrsas_tbolt_ioc_init(struct mrsas_instance *, dma_obj_t *);
72 static void mrsas_tbolt_get_pd_info(struct mrsas_instance *,
73 struct mrsas_tbolt_pd_info *, int);
74
75 static int mrsas_debug_tbolt_fw_faults_after_ocr = 0;
76
77 /*
78 * destroy_mfi_mpi_frame_pool
79 */
80 void
destroy_mfi_mpi_frame_pool(struct mrsas_instance * instance)81 destroy_mfi_mpi_frame_pool(struct mrsas_instance *instance)
82 {
83 int i;
84
85 struct mrsas_cmd *cmd;
86
87 /* return all mfi frames to pool */
88 for (i = 0; i < MRSAS_APP_RESERVED_CMDS; i++) {
89 cmd = instance->cmd_list[i];
90 if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED) {
91 (void) mrsas_free_dma_obj(instance,
92 cmd->frame_dma_obj);
93 }
94 cmd->frame_dma_obj_status = DMA_OBJ_FREED;
95 }
96 }
97
98 /*
99 * destroy_mpi2_frame_pool
100 */
101 void
destroy_mpi2_frame_pool(struct mrsas_instance * instance)102 destroy_mpi2_frame_pool(struct mrsas_instance *instance)
103 {
104
105 if (instance->mpi2_frame_pool_dma_obj.status == DMA_OBJ_ALLOCATED) {
106 (void) mrsas_free_dma_obj(instance,
107 instance->mpi2_frame_pool_dma_obj);
108 instance->mpi2_frame_pool_dma_obj.status |= DMA_OBJ_FREED;
109 }
110 }
111
112
113 /*
114 * mrsas_tbolt_free_additional_dma_buffer
115 */
116 void
mrsas_tbolt_free_additional_dma_buffer(struct mrsas_instance * instance)117 mrsas_tbolt_free_additional_dma_buffer(struct mrsas_instance *instance)
118 {
119 int i;
120
121 if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
122 (void) mrsas_free_dma_obj(instance,
123 instance->mfi_internal_dma_obj);
124 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
125 }
126 if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) {
127 (void) mrsas_free_dma_obj(instance,
128 instance->mfi_evt_detail_obj);
129 instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED;
130 }
131
132 for (i = 0; i < 2; i++) {
133 if (instance->ld_map_obj[i].status == DMA_OBJ_ALLOCATED) {
134 (void) mrsas_free_dma_obj(instance,
135 instance->ld_map_obj[i]);
136 instance->ld_map_obj[i].status = DMA_OBJ_FREED;
137 }
138 }
139 }
140
141
142 /*
143 * free_req_desc_pool
144 */
145 void
free_req_rep_desc_pool(struct mrsas_instance * instance)146 free_req_rep_desc_pool(struct mrsas_instance *instance)
147 {
148 if (instance->request_desc_dma_obj.status == DMA_OBJ_ALLOCATED) {
149 (void) mrsas_free_dma_obj(instance,
150 instance->request_desc_dma_obj);
151 instance->request_desc_dma_obj.status = DMA_OBJ_FREED;
152 }
153
154 if (instance->reply_desc_dma_obj.status == DMA_OBJ_ALLOCATED) {
155 (void) mrsas_free_dma_obj(instance,
156 instance->reply_desc_dma_obj);
157 instance->reply_desc_dma_obj.status = DMA_OBJ_FREED;
158 }
159
160
161 }
162
163
164 /*
165 * ThunderBolt(TB) Request Message Frame Pool
166 */
167 int
create_mpi2_frame_pool(struct mrsas_instance * instance)168 create_mpi2_frame_pool(struct mrsas_instance *instance)
169 {
170 int i = 0;
171 uint16_t max_cmd;
172 uint32_t sgl_sz;
173 uint32_t raid_msg_size;
174 uint32_t total_size;
175 uint32_t offset;
176 uint32_t io_req_base_phys;
177 uint8_t *io_req_base;
178 struct mrsas_cmd *cmd;
179
180 max_cmd = instance->max_fw_cmds;
181
182 sgl_sz = 1024;
183 raid_msg_size = MRSAS_THUNDERBOLT_MSG_SIZE;
184
185 /* Allocating additional 256 bytes to accomodate SMID 0. */
186 total_size = MRSAS_THUNDERBOLT_MSG_SIZE + (max_cmd * raid_msg_size) +
187 (max_cmd * sgl_sz) + (max_cmd * SENSE_LENGTH);
188
189 con_log(CL_ANN1, (CE_NOTE, "create_mpi2_frame_pool: "
190 "max_cmd %x", max_cmd));
191
192 con_log(CL_DLEVEL3, (CE_NOTE, "create_mpi2_frame_pool: "
193 "request message frame pool size %x", total_size));
194
195 /*
196 * ThunderBolt(TB) We need to create a single chunk of DMA'ble memory
197 * and then split the memory to 1024 commands. Each command should be
198 * able to contain a RAID MESSAGE FRAME which will embed a MFI_FRAME
199 * within it. Further refer the "alloc_req_rep_desc" function where
200 * we allocate request/reply descriptors queues for a clue.
201 */
202
203 instance->mpi2_frame_pool_dma_obj.size = total_size;
204 instance->mpi2_frame_pool_dma_obj.dma_attr = mrsas_generic_dma_attr;
205 instance->mpi2_frame_pool_dma_obj.dma_attr.dma_attr_addr_hi =
206 0xFFFFFFFFU;
207 instance->mpi2_frame_pool_dma_obj.dma_attr.dma_attr_count_max =
208 0xFFFFFFFFU;
209 instance->mpi2_frame_pool_dma_obj.dma_attr.dma_attr_sgllen = 1;
210 instance->mpi2_frame_pool_dma_obj.dma_attr.dma_attr_align = 256;
211
212 if (mrsas_alloc_dma_obj(instance, &instance->mpi2_frame_pool_dma_obj,
213 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
214 dev_err(instance->dip, CE_WARN,
215 "could not alloc mpi2 frame pool");
216 return (DDI_FAILURE);
217 }
218
219 bzero(instance->mpi2_frame_pool_dma_obj.buffer, total_size);
220 instance->mpi2_frame_pool_dma_obj.status |= DMA_OBJ_ALLOCATED;
221
222 instance->io_request_frames =
223 (uint8_t *)instance->mpi2_frame_pool_dma_obj.buffer;
224 instance->io_request_frames_phy =
225 (uint32_t)
226 instance->mpi2_frame_pool_dma_obj.dma_cookie[0].dmac_address;
227
228 con_log(CL_DLEVEL3, (CE_NOTE, "io_request_frames 0x%p",
229 (void *)instance->io_request_frames));
230
231 con_log(CL_DLEVEL3, (CE_NOTE, "io_request_frames_phy 0x%x",
232 instance->io_request_frames_phy));
233
234 io_req_base = (uint8_t *)instance->io_request_frames +
235 MRSAS_THUNDERBOLT_MSG_SIZE;
236 io_req_base_phys = instance->io_request_frames_phy +
237 MRSAS_THUNDERBOLT_MSG_SIZE;
238
239 con_log(CL_DLEVEL3, (CE_NOTE,
240 "io req_base_phys 0x%x", io_req_base_phys));
241
242 for (i = 0; i < max_cmd; i++) {
243 cmd = instance->cmd_list[i];
244
245 offset = i * MRSAS_THUNDERBOLT_MSG_SIZE;
246
247 cmd->scsi_io_request = (Mpi2RaidSCSIIORequest_t *)
248 ((uint8_t *)io_req_base + offset);
249 cmd->scsi_io_request_phys_addr = io_req_base_phys + offset;
250
251 cmd->sgl = (Mpi2SGEIOUnion_t *)((uint8_t *)io_req_base +
252 (max_cmd * raid_msg_size) + i * sgl_sz);
253
254 cmd->sgl_phys_addr = (io_req_base_phys +
255 (max_cmd * raid_msg_size) + i * sgl_sz);
256
257 cmd->sense1 = (uint8_t *)((uint8_t *)io_req_base +
258 (max_cmd * raid_msg_size) + (max_cmd * sgl_sz) +
259 (i * SENSE_LENGTH));
260
261 cmd->sense_phys_addr1 = (io_req_base_phys +
262 (max_cmd * raid_msg_size) + (max_cmd * sgl_sz) +
263 (i * SENSE_LENGTH));
264
265
266 cmd->SMID = i + 1;
267
268 con_log(CL_DLEVEL3, (CE_NOTE, "Frame Pool Addr [%x]0x%p",
269 cmd->index, (void *)cmd->scsi_io_request));
270
271 con_log(CL_DLEVEL3, (CE_NOTE, "Frame Pool Phys Addr [%x]0x%x",
272 cmd->index, cmd->scsi_io_request_phys_addr));
273
274 con_log(CL_DLEVEL3, (CE_NOTE, "Sense Addr [%x]0x%p",
275 cmd->index, (void *)cmd->sense1));
276
277 con_log(CL_DLEVEL3, (CE_NOTE, "Sense Addr Phys [%x]0x%x",
278 cmd->index, cmd->sense_phys_addr1));
279
280 con_log(CL_DLEVEL3, (CE_NOTE, "Sgl bufffers [%x]0x%p",
281 cmd->index, (void *)cmd->sgl));
282
283 con_log(CL_DLEVEL3, (CE_NOTE, "Sgl bufffers phys [%x]0x%x",
284 cmd->index, cmd->sgl_phys_addr));
285 }
286
287 return (DDI_SUCCESS);
288
289 }
290
291
292 /*
293 * alloc_additional_dma_buffer for AEN
294 */
295 int
mrsas_tbolt_alloc_additional_dma_buffer(struct mrsas_instance * instance)296 mrsas_tbolt_alloc_additional_dma_buffer(struct mrsas_instance *instance)
297 {
298 uint32_t internal_buf_size = PAGESIZE*2;
299 int i;
300
301 /* Initialize buffer status as free */
302 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
303 instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED;
304 instance->ld_map_obj[0].status = DMA_OBJ_FREED;
305 instance->ld_map_obj[1].status = DMA_OBJ_FREED;
306
307
308 instance->mfi_internal_dma_obj.size = internal_buf_size;
309 instance->mfi_internal_dma_obj.dma_attr = mrsas_generic_dma_attr;
310 instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
311 instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max =
312 0xFFFFFFFFU;
313 instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen = 1;
314
315 if (mrsas_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj,
316 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
317 dev_err(instance->dip, CE_WARN,
318 "could not alloc reply queue");
319 return (DDI_FAILURE);
320 }
321
322 bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size);
323
324 instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED;
325 instance->internal_buf =
326 (caddr_t)(((unsigned long)instance->mfi_internal_dma_obj.buffer));
327 instance->internal_buf_dmac_add =
328 instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address;
329 instance->internal_buf_size = internal_buf_size;
330
331 /* allocate evt_detail */
332 instance->mfi_evt_detail_obj.size = sizeof (struct mrsas_evt_detail);
333 instance->mfi_evt_detail_obj.dma_attr = mrsas_generic_dma_attr;
334 instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
335 instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
336 instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1;
337 instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 8;
338
339 if (mrsas_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj,
340 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
341 dev_err(instance->dip, CE_WARN,
342 "mrsas_tbolt_alloc_additional_dma_buffer: "
343 "could not allocate data transfer buffer.");
344 goto fail_tbolt_additional_buff;
345 }
346
347 bzero(instance->mfi_evt_detail_obj.buffer,
348 sizeof (struct mrsas_evt_detail));
349
350 instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED;
351
352 instance->size_map_info = sizeof (MR_FW_RAID_MAP) +
353 (sizeof (MR_LD_SPAN_MAP) * (MAX_LOGICAL_DRIVES - 1));
354
355 for (i = 0; i < 2; i++) {
356 /* allocate the data transfer buffer */
357 instance->ld_map_obj[i].size = instance->size_map_info;
358 instance->ld_map_obj[i].dma_attr = mrsas_generic_dma_attr;
359 instance->ld_map_obj[i].dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
360 instance->ld_map_obj[i].dma_attr.dma_attr_count_max =
361 0xFFFFFFFFU;
362 instance->ld_map_obj[i].dma_attr.dma_attr_sgllen = 1;
363 instance->ld_map_obj[i].dma_attr.dma_attr_align = 1;
364
365 if (mrsas_alloc_dma_obj(instance, &instance->ld_map_obj[i],
366 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
367 dev_err(instance->dip, CE_WARN,
368 "could not allocate data transfer buffer.");
369 goto fail_tbolt_additional_buff;
370 }
371
372 instance->ld_map_obj[i].status |= DMA_OBJ_ALLOCATED;
373
374 bzero(instance->ld_map_obj[i].buffer, instance->size_map_info);
375
376 instance->ld_map[i] =
377 (MR_FW_RAID_MAP_ALL *)instance->ld_map_obj[i].buffer;
378 instance->ld_map_phy[i] = (uint32_t)instance->
379 ld_map_obj[i].dma_cookie[0].dmac_address;
380
381 con_log(CL_DLEVEL3, (CE_NOTE,
382 "ld_map Addr Phys 0x%x", instance->ld_map_phy[i]));
383
384 con_log(CL_DLEVEL3, (CE_NOTE,
385 "size_map_info 0x%x", instance->size_map_info));
386 }
387
388 return (DDI_SUCCESS);
389
390 fail_tbolt_additional_buff:
391 mrsas_tbolt_free_additional_dma_buffer(instance);
392
393 return (DDI_FAILURE);
394 }
395
396 MRSAS_REQUEST_DESCRIPTOR_UNION *
mr_sas_get_request_descriptor(struct mrsas_instance * instance,uint16_t index)397 mr_sas_get_request_descriptor(struct mrsas_instance *instance, uint16_t index)
398 {
399 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
400
401 if (index > instance->max_fw_cmds) {
402 con_log(CL_ANN1, (CE_NOTE,
403 "Invalid SMID 0x%x request for descriptor", index));
404 con_log(CL_ANN1, (CE_NOTE,
405 "max_fw_cmds : 0x%x", instance->max_fw_cmds));
406 return (NULL);
407 }
408
409 req_desc = (MRSAS_REQUEST_DESCRIPTOR_UNION *)
410 ((char *)instance->request_message_pool +
411 (sizeof (MRSAS_REQUEST_DESCRIPTOR_UNION) * index));
412
413 con_log(CL_ANN1, (CE_NOTE,
414 "request descriptor : 0x%08lx", (unsigned long)req_desc));
415
416 con_log(CL_ANN1, (CE_NOTE,
417 "request descriptor base phy : 0x%08lx",
418 (unsigned long)instance->request_message_pool_phy));
419
420 return ((MRSAS_REQUEST_DESCRIPTOR_UNION *)req_desc);
421 }
422
423
424 /*
425 * Allocate Request and Reply Queue Descriptors.
426 */
427 int
alloc_req_rep_desc(struct mrsas_instance * instance)428 alloc_req_rep_desc(struct mrsas_instance *instance)
429 {
430 uint32_t request_q_sz, reply_q_sz;
431 int i, max_reply_q_sz;
432 MPI2_REPLY_DESCRIPTORS_UNION *reply_desc;
433
434 /*
435 * ThunderBolt(TB) There's no longer producer consumer mechanism.
436 * Once we have an interrupt we are supposed to scan through the list of
437 * reply descriptors and process them accordingly. We would be needing
438 * to allocate memory for 1024 reply descriptors
439 */
440
441 /* Allocate Reply Descriptors */
442 con_log(CL_ANN1, (CE_NOTE, " reply q desc len = %x",
443 (uint_t)sizeof (MPI2_REPLY_DESCRIPTORS_UNION)));
444
445 /* reply queue size should be multiple of 16 */
446 max_reply_q_sz = ((instance->max_fw_cmds + 1 + 15)/16)*16;
447
448 reply_q_sz = 8 * max_reply_q_sz;
449
450
451 con_log(CL_ANN1, (CE_NOTE, " reply q desc len = %x",
452 (uint_t)sizeof (MPI2_REPLY_DESCRIPTORS_UNION)));
453
454 instance->reply_desc_dma_obj.size = reply_q_sz;
455 instance->reply_desc_dma_obj.dma_attr = mrsas_generic_dma_attr;
456 instance->reply_desc_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
457 instance->reply_desc_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
458 instance->reply_desc_dma_obj.dma_attr.dma_attr_sgllen = 1;
459 instance->reply_desc_dma_obj.dma_attr.dma_attr_align = 16;
460
461 if (mrsas_alloc_dma_obj(instance, &instance->reply_desc_dma_obj,
462 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
463 dev_err(instance->dip, CE_WARN, "could not alloc reply queue");
464 return (DDI_FAILURE);
465 }
466
467 bzero(instance->reply_desc_dma_obj.buffer, reply_q_sz);
468 instance->reply_desc_dma_obj.status |= DMA_OBJ_ALLOCATED;
469
470 /* virtual address of reply queue */
471 instance->reply_frame_pool = (MPI2_REPLY_DESCRIPTORS_UNION *)(
472 instance->reply_desc_dma_obj.buffer);
473
474 instance->reply_q_depth = max_reply_q_sz;
475
476 con_log(CL_ANN1, (CE_NOTE, "[reply queue depth]0x%x",
477 instance->reply_q_depth));
478
479 con_log(CL_ANN1, (CE_NOTE, "[reply queue virt addr]0x%p",
480 (void *)instance->reply_frame_pool));
481
482 /* initializing reply address to 0xFFFFFFFF */
483 reply_desc = instance->reply_frame_pool;
484
485 for (i = 0; i < instance->reply_q_depth; i++) {
486 reply_desc->Words = (uint64_t)~0;
487 reply_desc++;
488 }
489
490
491 instance->reply_frame_pool_phy =
492 (uint32_t)instance->reply_desc_dma_obj.dma_cookie[0].dmac_address;
493
494 con_log(CL_ANN1, (CE_NOTE,
495 "[reply queue phys addr]0x%x", instance->reply_frame_pool_phy));
496
497
498 instance->reply_pool_limit_phy = (instance->reply_frame_pool_phy +
499 reply_q_sz);
500
501 con_log(CL_ANN1, (CE_NOTE, "[reply pool limit phys addr]0x%x",
502 instance->reply_pool_limit_phy));
503
504
505 con_log(CL_ANN1, (CE_NOTE, " request q desc len = %x",
506 (int)sizeof (MRSAS_REQUEST_DESCRIPTOR_UNION)));
507
508 /* Allocate Request Descriptors */
509 con_log(CL_ANN1, (CE_NOTE, " request q desc len = %x",
510 (int)sizeof (MRSAS_REQUEST_DESCRIPTOR_UNION)));
511
512 request_q_sz = 8 *
513 (instance->max_fw_cmds);
514
515 instance->request_desc_dma_obj.size = request_q_sz;
516 instance->request_desc_dma_obj.dma_attr = mrsas_generic_dma_attr;
517 instance->request_desc_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
518 instance->request_desc_dma_obj.dma_attr.dma_attr_count_max =
519 0xFFFFFFFFU;
520 instance->request_desc_dma_obj.dma_attr.dma_attr_sgllen = 1;
521 instance->request_desc_dma_obj.dma_attr.dma_attr_align = 16;
522
523 if (mrsas_alloc_dma_obj(instance, &instance->request_desc_dma_obj,
524 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
525 dev_err(instance->dip, CE_WARN,
526 "could not alloc request queue desc");
527 goto fail_undo_reply_queue;
528 }
529
530 bzero(instance->request_desc_dma_obj.buffer, request_q_sz);
531 instance->request_desc_dma_obj.status |= DMA_OBJ_ALLOCATED;
532
533 /* virtual address of request queue desc */
534 instance->request_message_pool = (MRSAS_REQUEST_DESCRIPTOR_UNION *)
535 (instance->request_desc_dma_obj.buffer);
536
537 instance->request_message_pool_phy =
538 (uint32_t)instance->request_desc_dma_obj.dma_cookie[0].dmac_address;
539
540 return (DDI_SUCCESS);
541
542 fail_undo_reply_queue:
543 if (instance->reply_desc_dma_obj.status == DMA_OBJ_ALLOCATED) {
544 (void) mrsas_free_dma_obj(instance,
545 instance->reply_desc_dma_obj);
546 instance->reply_desc_dma_obj.status = DMA_OBJ_FREED;
547 }
548
549 return (DDI_FAILURE);
550 }
551
552 /*
553 * mrsas_alloc_cmd_pool_tbolt
554 *
555 * TODO: merge tbolt-specific code into mrsas_alloc_cmd_pool() to have single
556 * routine
557 */
558 int
mrsas_alloc_cmd_pool_tbolt(struct mrsas_instance * instance)559 mrsas_alloc_cmd_pool_tbolt(struct mrsas_instance *instance)
560 {
561 int i;
562 int count;
563 uint32_t max_cmd;
564 uint32_t reserve_cmd;
565 size_t sz;
566
567 struct mrsas_cmd *cmd;
568
569 max_cmd = instance->max_fw_cmds;
570 con_log(CL_ANN1, (CE_NOTE, "mrsas_alloc_cmd_pool: "
571 "max_cmd %x", max_cmd));
572
573
574 sz = sizeof (struct mrsas_cmd *) * max_cmd;
575
576 /*
577 * instance->cmd_list is an array of struct mrsas_cmd pointers.
578 * Allocate the dynamic array first and then allocate individual
579 * commands.
580 */
581 instance->cmd_list = kmem_zalloc(sz, KM_SLEEP);
582
583 /* create a frame pool and assign one frame to each cmd */
584 for (count = 0; count < max_cmd; count++) {
585 instance->cmd_list[count] =
586 kmem_zalloc(sizeof (struct mrsas_cmd), KM_SLEEP);
587 }
588
589 /* add all the commands to command pool */
590
591 INIT_LIST_HEAD(&instance->cmd_pool_list);
592 INIT_LIST_HEAD(&instance->cmd_pend_list);
593 INIT_LIST_HEAD(&instance->cmd_app_pool_list);
594
595 reserve_cmd = MRSAS_APP_RESERVED_CMDS;
596
597 /* cmd index 0 reservered for IOC INIT */
598 for (i = 1; i < reserve_cmd; i++) {
599 cmd = instance->cmd_list[i];
600 cmd->index = i;
601 mlist_add_tail(&cmd->list, &instance->cmd_app_pool_list);
602 }
603
604
605 for (i = reserve_cmd; i < max_cmd; i++) {
606 cmd = instance->cmd_list[i];
607 cmd->index = i;
608 mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
609 }
610
611 return (DDI_SUCCESS);
612
613 mrsas_undo_cmds:
614 if (count > 0) {
615 /* free each cmd */
616 for (i = 0; i < count; i++) {
617 if (instance->cmd_list[i] != NULL) {
618 kmem_free(instance->cmd_list[i],
619 sizeof (struct mrsas_cmd));
620 }
621 instance->cmd_list[i] = NULL;
622 }
623 }
624
625 mrsas_undo_cmd_list:
626 if (instance->cmd_list != NULL)
627 kmem_free(instance->cmd_list, sz);
628 instance->cmd_list = NULL;
629
630 return (DDI_FAILURE);
631 }
632
633
634 /*
635 * free_space_for_mpi2
636 */
637 void
free_space_for_mpi2(struct mrsas_instance * instance)638 free_space_for_mpi2(struct mrsas_instance *instance)
639 {
640 /* already freed */
641 if (instance->cmd_list == NULL) {
642 return;
643 }
644
645 /* First free the additional DMA buffer */
646 mrsas_tbolt_free_additional_dma_buffer(instance);
647
648 /* Free the request/reply descriptor pool */
649 free_req_rep_desc_pool(instance);
650
651 /* Free the MPI message pool */
652 destroy_mpi2_frame_pool(instance);
653
654 /* Free the MFI frame pool */
655 destroy_mfi_frame_pool(instance);
656
657 /* Free all the commands in the cmd_list */
658 /* Free the cmd_list buffer itself */
659 mrsas_free_cmd_pool(instance);
660 }
661
662
663 /*
664 * ThunderBolt(TB) memory allocations for commands/messages/frames.
665 */
666 int
alloc_space_for_mpi2(struct mrsas_instance * instance)667 alloc_space_for_mpi2(struct mrsas_instance *instance)
668 {
669 /* Allocate command pool (memory for cmd_list & individual commands) */
670 if (mrsas_alloc_cmd_pool_tbolt(instance)) {
671 dev_err(instance->dip, CE_WARN, "Error creating cmd pool");
672 return (DDI_FAILURE);
673 }
674
675 /* Initialize single reply size and Message size */
676 instance->reply_size = MRSAS_THUNDERBOLT_REPLY_SIZE;
677 instance->raid_io_msg_size = MRSAS_THUNDERBOLT_MSG_SIZE;
678
679 instance->max_sge_in_main_msg = (MRSAS_THUNDERBOLT_MSG_SIZE -
680 (sizeof (MPI2_RAID_SCSI_IO_REQUEST) -
681 sizeof (MPI2_SGE_IO_UNION)))/ sizeof (MPI2_SGE_IO_UNION);
682 instance->max_sge_in_chain = (MR_COMMAND_SIZE -
683 MRSAS_THUNDERBOLT_MSG_SIZE) / sizeof (MPI2_SGE_IO_UNION);
684
685 /* Reduce SG count by 1 to take care of group cmds feature in FW */
686 instance->max_num_sge = (instance->max_sge_in_main_msg +
687 instance->max_sge_in_chain - 2);
688 instance->chain_offset_mpt_msg =
689 offsetof(MPI2_RAID_SCSI_IO_REQUEST, SGL) / 16;
690 instance->chain_offset_io_req = (MRSAS_THUNDERBOLT_MSG_SIZE -
691 sizeof (MPI2_SGE_IO_UNION)) / 16;
692 instance->reply_read_index = 0;
693
694
695 /* Allocate Request and Reply descriptors Array */
696 /* Make sure the buffer is aligned to 8 for req/rep descriptor Pool */
697 if (alloc_req_rep_desc(instance)) {
698 dev_err(instance->dip, CE_WARN,
699 "Error, allocating memory for descripter-pool");
700 goto mpi2_undo_cmd_pool;
701 }
702 con_log(CL_ANN1, (CE_NOTE, "[request message pool phys addr]0x%x",
703 instance->request_message_pool_phy));
704
705
706 /* Allocate MFI Frame pool - for MPI-MFI passthru commands */
707 if (create_mfi_frame_pool(instance)) {
708 dev_err(instance->dip, CE_WARN,
709 "Error, allocating memory for MFI frame-pool");
710 goto mpi2_undo_descripter_pool;
711 }
712
713
714 /* Allocate MPI2 Message pool */
715 /*
716 * Make sure the buffer is alligned to 256 for raid message packet
717 * create a io request pool and assign one frame to each cmd
718 */
719
720 if (create_mpi2_frame_pool(instance)) {
721 dev_err(instance->dip, CE_WARN,
722 "Error, allocating memory for MPI2 Message-pool");
723 goto mpi2_undo_mfi_frame_pool;
724 }
725
726 #ifdef DEBUG
727 con_log(CL_ANN1, (CE_CONT, "[max_sge_in_main_msg]0x%x",
728 instance->max_sge_in_main_msg));
729 con_log(CL_ANN1, (CE_CONT, "[max_sge_in_chain]0x%x",
730 instance->max_sge_in_chain));
731 con_log(CL_ANN1, (CE_CONT,
732 "[max_sge]0x%x", instance->max_num_sge));
733 con_log(CL_ANN1, (CE_CONT, "[chain_offset_mpt_msg]0x%x",
734 instance->chain_offset_mpt_msg));
735 con_log(CL_ANN1, (CE_CONT, "[chain_offset_io_req]0x%x",
736 instance->chain_offset_io_req));
737 #endif
738
739
740 /* Allocate additional dma buffer */
741 if (mrsas_tbolt_alloc_additional_dma_buffer(instance)) {
742 dev_err(instance->dip, CE_WARN,
743 "Error, allocating tbolt additional DMA buffer");
744 goto mpi2_undo_message_pool;
745 }
746
747 return (DDI_SUCCESS);
748
749 mpi2_undo_message_pool:
750 destroy_mpi2_frame_pool(instance);
751
752 mpi2_undo_mfi_frame_pool:
753 destroy_mfi_frame_pool(instance);
754
755 mpi2_undo_descripter_pool:
756 free_req_rep_desc_pool(instance);
757
758 mpi2_undo_cmd_pool:
759 mrsas_free_cmd_pool(instance);
760
761 return (DDI_FAILURE);
762 }
763
764
765 /*
766 * mrsas_init_adapter_tbolt - Initialize fusion interface adapter.
767 */
768 int
mrsas_init_adapter_tbolt(struct mrsas_instance * instance)769 mrsas_init_adapter_tbolt(struct mrsas_instance *instance)
770 {
771
772 /*
773 * Reduce the max supported cmds by 1. This is to ensure that the
774 * reply_q_sz (1 more than the max cmd that driver may send)
775 * does not exceed max cmds that the FW can support
776 */
777
778 if (instance->max_fw_cmds > 1008) {
779 instance->max_fw_cmds = 1008;
780 instance->max_fw_cmds = instance->max_fw_cmds-1;
781 }
782
783 con_log(CL_ANN, (CE_NOTE, "mrsas_init_adapter_tbolt: "
784 "instance->max_fw_cmds 0x%X.", instance->max_fw_cmds));
785
786
787 /* create a pool of commands */
788 if (alloc_space_for_mpi2(instance) != DDI_SUCCESS) {
789 dev_err(instance->dip, CE_WARN,
790 "alloc_space_for_mpi2() failed.");
791
792 return (DDI_FAILURE);
793 }
794
795 /* Send ioc init message */
796 /* NOTE: the issue_init call does FMA checking already. */
797 if (mrsas_issue_init_mpi2(instance) != DDI_SUCCESS) {
798 dev_err(instance->dip, CE_WARN,
799 "mrsas_issue_init_mpi2() failed.");
800
801 goto fail_init_fusion;
802 }
803
804 instance->unroll.alloc_space_mpi2 = 1;
805
806 con_log(CL_ANN, (CE_NOTE,
807 "mrsas_init_adapter_tbolt: SUCCESSFUL"));
808
809 return (DDI_SUCCESS);
810
811 fail_init_fusion:
812 free_space_for_mpi2(instance);
813
814 return (DDI_FAILURE);
815 }
816
817
818
819 /*
820 * init_mpi2
821 */
822 int
mrsas_issue_init_mpi2(struct mrsas_instance * instance)823 mrsas_issue_init_mpi2(struct mrsas_instance *instance)
824 {
825 dma_obj_t init2_dma_obj;
826 int ret_val = DDI_SUCCESS;
827
828 /* allocate DMA buffer for IOC INIT message */
829 init2_dma_obj.size = sizeof (Mpi2IOCInitRequest_t);
830 init2_dma_obj.dma_attr = mrsas_generic_dma_attr;
831 init2_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
832 init2_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
833 init2_dma_obj.dma_attr.dma_attr_sgllen = 1;
834 init2_dma_obj.dma_attr.dma_attr_align = 256;
835
836 if (mrsas_alloc_dma_obj(instance, &init2_dma_obj,
837 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
838 dev_err(instance->dip, CE_WARN, "mr_sas_issue_init_mpi2 "
839 "could not allocate data transfer buffer.");
840 return (DDI_FAILURE);
841 }
842 (void) memset(init2_dma_obj.buffer, 2, sizeof (Mpi2IOCInitRequest_t));
843
844 con_log(CL_ANN1, (CE_NOTE,
845 "mrsas_issue_init_mpi2 _phys adr: %x",
846 init2_dma_obj.dma_cookie[0].dmac_address));
847
848
849 /* Initialize and send ioc init message */
850 ret_val = mrsas_tbolt_ioc_init(instance, &init2_dma_obj);
851 if (ret_val == DDI_FAILURE) {
852 con_log(CL_ANN1, (CE_WARN,
853 "mrsas_issue_init_mpi2: Failed"));
854 goto fail_init_mpi2;
855 }
856
857 /* free IOC init DMA buffer */
858 if (mrsas_free_dma_obj(instance, init2_dma_obj)
859 != DDI_SUCCESS) {
860 con_log(CL_ANN1, (CE_WARN,
861 "mrsas_issue_init_mpi2: Free Failed"));
862 return (DDI_FAILURE);
863 }
864
865 /* Get/Check and sync ld_map info */
866 instance->map_id = 0;
867 if (mrsas_tbolt_check_map_info(instance) == DDI_SUCCESS)
868 (void) mrsas_tbolt_sync_map_info(instance);
869
870
871 /* No mrsas_cmd to send, so send NULL. */
872 if (mrsas_common_check(instance, NULL) != DDI_SUCCESS)
873 goto fail_init_mpi2;
874
875 con_log(CL_ANN, (CE_NOTE,
876 "mrsas_issue_init_mpi2: SUCCESSFUL"));
877
878 return (DDI_SUCCESS);
879
880 fail_init_mpi2:
881 (void) mrsas_free_dma_obj(instance, init2_dma_obj);
882
883 return (DDI_FAILURE);
884 }
885
886 static int
mrsas_tbolt_ioc_init(struct mrsas_instance * instance,dma_obj_t * mpi2_dma_obj)887 mrsas_tbolt_ioc_init(struct mrsas_instance *instance, dma_obj_t *mpi2_dma_obj)
888 {
889 int numbytes;
890 uint16_t flags;
891 struct mrsas_init_frame2 *mfiFrameInit2;
892 struct mrsas_header *frame_hdr;
893 Mpi2IOCInitRequest_t *init;
894 struct mrsas_cmd *cmd = NULL;
895 struct mrsas_drv_ver drv_ver_info;
896 MRSAS_REQUEST_DESCRIPTOR_UNION req_desc;
897 uint32_t timeout;
898
899 con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
900
901
902 #ifdef DEBUG
903 con_log(CL_ANN1, (CE_CONT, " mfiFrameInit2 len = %x\n",
904 (int)sizeof (*mfiFrameInit2)));
905 con_log(CL_ANN1, (CE_CONT, " MPI len = %x\n", (int)sizeof (*init)));
906 con_log(CL_ANN1, (CE_CONT, " mfiFrameInit2 len = %x\n",
907 (int)sizeof (struct mrsas_init_frame2)));
908 con_log(CL_ANN1, (CE_CONT, " MPI len = %x\n",
909 (int)sizeof (Mpi2IOCInitRequest_t)));
910 #endif
911
912 init = (Mpi2IOCInitRequest_t *)mpi2_dma_obj->buffer;
913 numbytes = sizeof (*init);
914 bzero(init, numbytes);
915
916 ddi_put8(mpi2_dma_obj->acc_handle, &init->Function,
917 MPI2_FUNCTION_IOC_INIT);
918
919 ddi_put8(mpi2_dma_obj->acc_handle, &init->WhoInit,
920 MPI2_WHOINIT_HOST_DRIVER);
921
922 /* set MsgVersion and HeaderVersion host driver was built with */
923 ddi_put16(mpi2_dma_obj->acc_handle, &init->MsgVersion,
924 MPI2_VERSION);
925
926 ddi_put16(mpi2_dma_obj->acc_handle, &init->HeaderVersion,
927 MPI2_HEADER_VERSION);
928
929 ddi_put16(mpi2_dma_obj->acc_handle, &init->SystemRequestFrameSize,
930 instance->raid_io_msg_size / 4);
931
932 ddi_put16(mpi2_dma_obj->acc_handle, &init->ReplyFreeQueueDepth,
933 0);
934
935 ddi_put16(mpi2_dma_obj->acc_handle,
936 &init->ReplyDescriptorPostQueueDepth,
937 instance->reply_q_depth);
938 /*
939 * These addresses are set using the DMA cookie addresses from when the
940 * memory was allocated. Sense buffer hi address should be 0.
941 * ddi_put32(accessp, &init->SenseBufferAddressHigh, 0);
942 */
943
944 ddi_put32(mpi2_dma_obj->acc_handle,
945 &init->SenseBufferAddressHigh, 0);
946
947 ddi_put64(mpi2_dma_obj->acc_handle,
948 (uint64_t *)&init->SystemRequestFrameBaseAddress,
949 instance->io_request_frames_phy);
950
951 ddi_put64(mpi2_dma_obj->acc_handle,
952 &init->ReplyDescriptorPostQueueAddress,
953 instance->reply_frame_pool_phy);
954
955 ddi_put64(mpi2_dma_obj->acc_handle,
956 &init->ReplyFreeQueueAddress, 0);
957
958 cmd = instance->cmd_list[0];
959 if (cmd == NULL) {
960 return (DDI_FAILURE);
961 }
962 cmd->retry_count_for_ocr = 0;
963 cmd->pkt = NULL;
964 cmd->drv_pkt_time = 0;
965
966 mfiFrameInit2 = (struct mrsas_init_frame2 *)cmd->scsi_io_request;
967 con_log(CL_ANN1, (CE_CONT, "[mfi vaddr]%p", (void *)mfiFrameInit2));
968
969 frame_hdr = &cmd->frame->hdr;
970
971 ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status,
972 MFI_CMD_STATUS_POLL_MODE);
973
974 flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags);
975
976 flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
977
978 ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags);
979
980 con_log(CL_ANN, (CE_CONT,
981 "mrsas_tbolt_ioc_init: SMID:%x\n", cmd->SMID));
982
983 /* Init the MFI Header */
984 ddi_put8(instance->mpi2_frame_pool_dma_obj.acc_handle,
985 &mfiFrameInit2->cmd, MFI_CMD_OP_INIT);
986
987 con_log(CL_ANN1, (CE_CONT, "[CMD]%x", mfiFrameInit2->cmd));
988
989 ddi_put8(instance->mpi2_frame_pool_dma_obj.acc_handle,
990 &mfiFrameInit2->cmd_status,
991 MFI_STAT_INVALID_STATUS);
992
993 con_log(CL_ANN1, (CE_CONT, "[Status]%x", mfiFrameInit2->cmd_status));
994
995 ddi_put32(instance->mpi2_frame_pool_dma_obj.acc_handle,
996 &mfiFrameInit2->queue_info_new_phys_addr_lo,
997 mpi2_dma_obj->dma_cookie[0].dmac_address);
998
999 ddi_put32(instance->mpi2_frame_pool_dma_obj.acc_handle,
1000 &mfiFrameInit2->data_xfer_len,
1001 sizeof (Mpi2IOCInitRequest_t));
1002
1003 con_log(CL_ANN1, (CE_CONT, "[reply q desc addr]%x",
1004 (int)init->ReplyDescriptorPostQueueAddress));
1005
1006 /* fill driver version information */
1007 fill_up_drv_ver(&drv_ver_info);
1008
1009 /* allocate the driver version data transfer buffer */
1010 instance->drv_ver_dma_obj.size = sizeof (drv_ver_info.drv_ver);
1011 instance->drv_ver_dma_obj.dma_attr = mrsas_generic_dma_attr;
1012 instance->drv_ver_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
1013 instance->drv_ver_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
1014 instance->drv_ver_dma_obj.dma_attr.dma_attr_sgllen = 1;
1015 instance->drv_ver_dma_obj.dma_attr.dma_attr_align = 1;
1016
1017 if (mrsas_alloc_dma_obj(instance, &instance->drv_ver_dma_obj,
1018 (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
1019 dev_err(instance->dip, CE_WARN,
1020 "fusion init: Could not allocate driver version buffer.");
1021 return (DDI_FAILURE);
1022 }
1023 /* copy driver version to dma buffer */
1024 bzero(instance->drv_ver_dma_obj.buffer, sizeof (drv_ver_info.drv_ver));
1025 ddi_rep_put8(cmd->frame_dma_obj.acc_handle,
1026 (uint8_t *)drv_ver_info.drv_ver,
1027 (uint8_t *)instance->drv_ver_dma_obj.buffer,
1028 sizeof (drv_ver_info.drv_ver), DDI_DEV_AUTOINCR);
1029
1030 /* send driver version physical address to firmware */
1031 ddi_put64(cmd->frame_dma_obj.acc_handle, &mfiFrameInit2->driverversion,
1032 instance->drv_ver_dma_obj.dma_cookie[0].dmac_address);
1033
1034 con_log(CL_ANN1, (CE_CONT, "[MPIINIT2 frame Phys addr ]0x%x len = %x",
1035 mfiFrameInit2->queue_info_new_phys_addr_lo,
1036 (int)sizeof (Mpi2IOCInitRequest_t)));
1037
1038 con_log(CL_ANN1, (CE_CONT, "[Length]%x", mfiFrameInit2->data_xfer_len));
1039
1040 con_log(CL_ANN1, (CE_CONT, "[MFI frame Phys Address]%x len = %x",
1041 cmd->scsi_io_request_phys_addr,
1042 (int)sizeof (struct mrsas_init_frame2)));
1043
1044 /* disable interrupts before sending INIT2 frame */
1045 instance->func_ptr->disable_intr(instance);
1046
1047 req_desc.Words = cmd->scsi_io_request_phys_addr;
1048 req_desc.MFAIo.RequestFlags =
1049 (MPI2_REQ_DESCRIPT_FLAGS_MFA << MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1050
1051 cmd->request_desc = &req_desc;
1052
1053 /* issue the init frame */
1054
1055 mutex_enter(&instance->reg_write_mtx);
1056 WR_IB_LOW_QPORT((uint32_t)(req_desc.Words), instance);
1057 WR_IB_HIGH_QPORT((uint32_t)(req_desc.Words >> 32), instance);
1058 mutex_exit(&instance->reg_write_mtx);
1059
1060 con_log(CL_ANN1, (CE_CONT, "[cmd = %d] ", frame_hdr->cmd));
1061 con_log(CL_ANN1, (CE_CONT, "[cmd Status= %x] ",
1062 frame_hdr->cmd_status));
1063
1064 timeout = drv_usectohz(MFI_POLL_TIMEOUT_SECS * MICROSEC);
1065 do {
1066 if (ddi_get8(cmd->frame_dma_obj.acc_handle,
1067 &mfiFrameInit2->cmd_status) != MFI_CMD_STATUS_POLL_MODE)
1068 break;
1069 delay(1);
1070 timeout--;
1071 } while (timeout > 0);
1072
1073 if (ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle,
1074 &mfiFrameInit2->cmd_status) == 0) {
1075 con_log(CL_ANN, (CE_NOTE, "INIT2 Success"));
1076 } else {
1077 con_log(CL_ANN, (CE_WARN, "INIT2 Fail"));
1078 mrsas_dump_reply_desc(instance);
1079 goto fail_ioc_init;
1080 }
1081
1082 mrsas_dump_reply_desc(instance);
1083
1084 instance->unroll.verBuff = 1;
1085
1086 con_log(CL_ANN, (CE_NOTE, "mrsas_tbolt_ioc_init: SUCCESSFUL"));
1087
1088 return (DDI_SUCCESS);
1089
1090
1091 fail_ioc_init:
1092
1093 (void) mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj);
1094
1095 return (DDI_FAILURE);
1096 }
1097
1098 int
wait_for_outstanding_poll_io(struct mrsas_instance * instance)1099 wait_for_outstanding_poll_io(struct mrsas_instance *instance)
1100 {
1101 int i;
1102 uint32_t wait_time = dump_io_wait_time;
1103 for (i = 0; i < wait_time; i++) {
1104 /*
1105 * Check For Outstanding poll Commands
1106 * except ldsync command and aen command
1107 */
1108 if (instance->fw_outstanding <= 2) {
1109 break;
1110 }
1111 drv_usecwait(MILLISEC);
1112 /* complete commands from reply queue */
1113 (void) mr_sas_tbolt_process_outstanding_cmd(instance);
1114 }
1115 if (instance->fw_outstanding > 2) {
1116 return (1);
1117 }
1118 return (0);
1119 }
1120 /*
1121 * scsi_pkt handling
1122 *
1123 * Visible to the external world via the transport structure.
1124 */
1125
1126 int
mrsas_tbolt_tran_start(struct scsi_address * ap,struct scsi_pkt * pkt)1127 mrsas_tbolt_tran_start(struct scsi_address *ap, struct scsi_pkt *pkt)
1128 {
1129 struct mrsas_instance *instance = ADDR2MR(ap);
1130 struct scsa_cmd *acmd = PKT2CMD(pkt);
1131 struct mrsas_cmd *cmd = NULL;
1132 uchar_t cmd_done = 0;
1133
1134 con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1135 if (instance->deadadapter == 1) {
1136 dev_err(instance->dip, CE_WARN,
1137 "mrsas_tran_start:TBOLT return TRAN_FATAL_ERROR "
1138 "for IO, as the HBA doesnt take any more IOs");
1139 if (pkt) {
1140 pkt->pkt_reason = CMD_DEV_GONE;
1141 pkt->pkt_statistics = STAT_DISCON;
1142 }
1143 return (TRAN_FATAL_ERROR);
1144 }
1145 if (instance->adapterresetinprogress) {
1146 con_log(CL_ANN, (CE_NOTE, "Reset flag set, "
1147 "returning mfi_pkt and setting TRAN_BUSY\n"));
1148 return (TRAN_BUSY);
1149 }
1150 (void) mrsas_tbolt_prepare_pkt(acmd);
1151
1152 cmd = mrsas_tbolt_build_cmd(instance, ap, pkt, &cmd_done);
1153
1154 /*
1155 * Check if the command is already completed by the mrsas_build_cmd()
1156 * routine. In which case the busy_flag would be clear and scb will be
1157 * NULL and appropriate reason provided in pkt_reason field
1158 */
1159 if (cmd_done) {
1160 pkt->pkt_reason = CMD_CMPLT;
1161 pkt->pkt_scbp[0] = STATUS_GOOD;
1162 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET
1163 | STATE_SENT_CMD;
1164 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp) {
1165 (*pkt->pkt_comp)(pkt);
1166 }
1167
1168 return (TRAN_ACCEPT);
1169 }
1170
1171 if (cmd == NULL) {
1172 return (TRAN_BUSY);
1173 }
1174
1175
1176 if ((pkt->pkt_flags & FLAG_NOINTR) == 0) {
1177 if (instance->fw_outstanding > instance->max_fw_cmds) {
1178 dev_err(instance->dip, CE_WARN,
1179 "Command Queue Full... Returning BUSY");
1180 DTRACE_PROBE2(tbolt_start_tran_err,
1181 uint16_t, instance->fw_outstanding,
1182 uint16_t, instance->max_fw_cmds);
1183 return_raid_msg_pkt(instance, cmd);
1184 return (TRAN_BUSY);
1185 }
1186
1187 /* Synchronize the Cmd frame for the controller */
1188 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
1189 DDI_DMA_SYNC_FORDEV);
1190
1191 con_log(CL_ANN, (CE_CONT, "tbolt_issue_cmd: SCSI CDB[0]=0x%x "
1192 "cmd->index:0x%x SMID 0x%x\n", pkt->pkt_cdbp[0],
1193 cmd->index, cmd->SMID));
1194
1195 instance->func_ptr->issue_cmd(cmd, instance);
1196 } else {
1197 instance->func_ptr->issue_cmd(cmd, instance);
1198 (void) wait_for_outstanding_poll_io(instance);
1199 (void) mrsas_common_check(instance, cmd);
1200 DTRACE_PROBE2(tbolt_start_nointr_done,
1201 uint8_t, cmd->frame->hdr.cmd,
1202 uint8_t, cmd->frame->hdr.cmd_status);
1203 }
1204
1205 return (TRAN_ACCEPT);
1206 }
1207
1208 /*
1209 * prepare the pkt:
1210 * the pkt may have been resubmitted or just reused so
1211 * initialize some fields and do some checks.
1212 */
1213 static int
mrsas_tbolt_prepare_pkt(struct scsa_cmd * acmd)1214 mrsas_tbolt_prepare_pkt(struct scsa_cmd *acmd)
1215 {
1216 struct scsi_pkt *pkt = CMD2PKT(acmd);
1217
1218
1219 /*
1220 * Reinitialize some fields that need it; the packet may
1221 * have been resubmitted
1222 */
1223 pkt->pkt_reason = CMD_CMPLT;
1224 pkt->pkt_state = 0;
1225 pkt->pkt_statistics = 0;
1226 pkt->pkt_resid = 0;
1227
1228 /*
1229 * zero status byte.
1230 */
1231 *(pkt->pkt_scbp) = 0;
1232
1233 return (0);
1234 }
1235
1236
1237 int
mr_sas_tbolt_build_sgl(struct mrsas_instance * instance,struct scsa_cmd * acmd,struct mrsas_cmd * cmd,Mpi2RaidSCSIIORequest_t * scsi_raid_io,uint32_t * datalen)1238 mr_sas_tbolt_build_sgl(struct mrsas_instance *instance,
1239 struct scsa_cmd *acmd,
1240 struct mrsas_cmd *cmd,
1241 Mpi2RaidSCSIIORequest_t *scsi_raid_io,
1242 uint32_t *datalen)
1243 {
1244 uint32_t MaxSGEs;
1245 int sg_to_process;
1246 uint32_t i, j;
1247 uint32_t numElements, endElement;
1248 Mpi25IeeeSgeChain64_t *ieeeChainElement = NULL;
1249 Mpi25IeeeSgeChain64_t *scsi_raid_io_sgl_ieee = NULL;
1250 ddi_acc_handle_t acc_handle =
1251 instance->mpi2_frame_pool_dma_obj.acc_handle;
1252
1253 con_log(CL_ANN1, (CE_NOTE,
1254 "chkpnt: Building Chained SGL :%d", __LINE__));
1255
1256 /* Calulate SGE size in number of Words(32bit) */
1257 /* Clear the datalen before updating it. */
1258 *datalen = 0;
1259
1260 MaxSGEs = instance->max_sge_in_main_msg;
1261
1262 ddi_put16(acc_handle, &scsi_raid_io->SGLFlags,
1263 MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
1264
1265 /* set data transfer flag. */
1266 if (acmd->cmd_flags & CFLAG_DMASEND) {
1267 ddi_put32(acc_handle, &scsi_raid_io->Control,
1268 MPI2_SCSIIO_CONTROL_WRITE);
1269 } else {
1270 ddi_put32(acc_handle, &scsi_raid_io->Control,
1271 MPI2_SCSIIO_CONTROL_READ);
1272 }
1273
1274
1275 numElements = acmd->cmd_cookiecnt;
1276
1277 con_log(CL_DLEVEL1, (CE_NOTE, "[SGE Count]:%x", numElements));
1278
1279 if (numElements > instance->max_num_sge) {
1280 con_log(CL_ANN, (CE_NOTE,
1281 "[Max SGE Count Exceeded]:%x", numElements));
1282 return (numElements);
1283 }
1284
1285 ddi_put8(acc_handle, &scsi_raid_io->RaidContext.numSGE,
1286 (uint8_t)numElements);
1287
1288 /* set end element in main message frame */
1289 endElement = (numElements <= MaxSGEs) ? numElements : (MaxSGEs - 1);
1290
1291 /* prepare the scatter-gather list for the firmware */
1292 scsi_raid_io_sgl_ieee =
1293 (Mpi25IeeeSgeChain64_t *)&scsi_raid_io->SGL.IeeeChain;
1294
1295 if (instance->gen3) {
1296 Mpi25IeeeSgeChain64_t *sgl_ptr_end = scsi_raid_io_sgl_ieee;
1297 sgl_ptr_end += instance->max_sge_in_main_msg - 1;
1298
1299 ddi_put8(acc_handle, &sgl_ptr_end->Flags, 0);
1300 }
1301
1302 for (i = 0; i < endElement; i++, scsi_raid_io_sgl_ieee++) {
1303 ddi_put64(acc_handle, &scsi_raid_io_sgl_ieee->Address,
1304 acmd->cmd_dmacookies[i].dmac_laddress);
1305
1306 ddi_put32(acc_handle, &scsi_raid_io_sgl_ieee->Length,
1307 acmd->cmd_dmacookies[i].dmac_size);
1308
1309 ddi_put8(acc_handle, &scsi_raid_io_sgl_ieee->Flags, 0);
1310
1311 if (instance->gen3) {
1312 if (i == (numElements - 1)) {
1313 ddi_put8(acc_handle,
1314 &scsi_raid_io_sgl_ieee->Flags,
1315 IEEE_SGE_FLAGS_END_OF_LIST);
1316 }
1317 }
1318
1319 *datalen += acmd->cmd_dmacookies[i].dmac_size;
1320
1321 #ifdef DEBUG
1322 con_log(CL_DLEVEL1, (CE_NOTE, "[SGL Address]: %" PRIx64,
1323 scsi_raid_io_sgl_ieee->Address));
1324 con_log(CL_DLEVEL1, (CE_NOTE, "[SGL Length]:%x",
1325 scsi_raid_io_sgl_ieee->Length));
1326 con_log(CL_DLEVEL1, (CE_NOTE, "[SGL Flags]:%x",
1327 scsi_raid_io_sgl_ieee->Flags));
1328 #endif
1329
1330 }
1331
1332 ddi_put8(acc_handle, &scsi_raid_io->ChainOffset, 0);
1333
1334 /* check if chained SGL required */
1335 if (i < numElements) {
1336
1337 con_log(CL_ANN1, (CE_NOTE, "[Chain Element index]:%x", i));
1338
1339 if (instance->gen3) {
1340 uint16_t ioFlags =
1341 ddi_get16(acc_handle, &scsi_raid_io->IoFlags);
1342
1343 if ((ioFlags &
1344 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
1345 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) {
1346 ddi_put8(acc_handle, &scsi_raid_io->ChainOffset,
1347 (U8)instance->chain_offset_io_req);
1348 } else {
1349 ddi_put8(acc_handle,
1350 &scsi_raid_io->ChainOffset, 0);
1351 }
1352 } else {
1353 ddi_put8(acc_handle, &scsi_raid_io->ChainOffset,
1354 (U8)instance->chain_offset_io_req);
1355 }
1356
1357 /* prepare physical chain element */
1358 ieeeChainElement = scsi_raid_io_sgl_ieee;
1359
1360 ddi_put8(acc_handle, &ieeeChainElement->NextChainOffset, 0);
1361
1362 if (instance->gen3) {
1363 ddi_put8(acc_handle, &ieeeChainElement->Flags,
1364 IEEE_SGE_FLAGS_CHAIN_ELEMENT);
1365 } else {
1366 ddi_put8(acc_handle, &ieeeChainElement->Flags,
1367 (IEEE_SGE_FLAGS_CHAIN_ELEMENT |
1368 MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR));
1369 }
1370
1371 ddi_put32(acc_handle, &ieeeChainElement->Length,
1372 (sizeof (MPI2_SGE_IO_UNION) * (numElements - i)));
1373
1374 ddi_put64(acc_handle, &ieeeChainElement->Address,
1375 (U64)cmd->sgl_phys_addr);
1376
1377 sg_to_process = numElements - i;
1378
1379 con_log(CL_ANN1, (CE_NOTE,
1380 "[Additional SGE Count]:%x", endElement));
1381
1382 /* point to the chained SGL buffer */
1383 scsi_raid_io_sgl_ieee = (Mpi25IeeeSgeChain64_t *)cmd->sgl;
1384
1385 /* build rest of the SGL in chained buffer */
1386 for (j = 0; j < sg_to_process; j++, scsi_raid_io_sgl_ieee++) {
1387 con_log(CL_DLEVEL3, (CE_NOTE, "[remaining SGL]:%x", i));
1388
1389 ddi_put64(acc_handle, &scsi_raid_io_sgl_ieee->Address,
1390 acmd->cmd_dmacookies[i].dmac_laddress);
1391
1392 ddi_put32(acc_handle, &scsi_raid_io_sgl_ieee->Length,
1393 acmd->cmd_dmacookies[i].dmac_size);
1394
1395 ddi_put8(acc_handle, &scsi_raid_io_sgl_ieee->Flags, 0);
1396
1397 if (instance->gen3) {
1398 if (i == (numElements - 1)) {
1399 ddi_put8(acc_handle,
1400 &scsi_raid_io_sgl_ieee->Flags,
1401 IEEE_SGE_FLAGS_END_OF_LIST);
1402 }
1403 }
1404
1405 *datalen += acmd->cmd_dmacookies[i].dmac_size;
1406
1407 #if DEBUG
1408 con_log(CL_DLEVEL1, (CE_NOTE,
1409 "[SGL Address]: %" PRIx64,
1410 scsi_raid_io_sgl_ieee->Address));
1411 con_log(CL_DLEVEL1, (CE_NOTE,
1412 "[SGL Length]:%x", scsi_raid_io_sgl_ieee->Length));
1413 con_log(CL_DLEVEL1, (CE_NOTE,
1414 "[SGL Flags]:%x", scsi_raid_io_sgl_ieee->Flags));
1415 #endif
1416
1417 i++;
1418 }
1419 }
1420
1421 return (0);
1422 } /*end of BuildScatterGather */
1423
1424
1425 /*
1426 * build_cmd
1427 */
1428 static struct mrsas_cmd *
mrsas_tbolt_build_cmd(struct mrsas_instance * instance,struct scsi_address * ap,struct scsi_pkt * pkt,uchar_t * cmd_done)1429 mrsas_tbolt_build_cmd(struct mrsas_instance *instance, struct scsi_address *ap,
1430 struct scsi_pkt *pkt, uchar_t *cmd_done)
1431 {
1432 uint8_t fp_possible = 0;
1433 uint32_t index;
1434 uint32_t lba_count = 0;
1435 uint32_t start_lba_hi = 0;
1436 uint32_t start_lba_lo = 0;
1437 ddi_acc_handle_t acc_handle =
1438 instance->mpi2_frame_pool_dma_obj.acc_handle;
1439 struct mrsas_cmd *cmd = NULL;
1440 struct scsa_cmd *acmd = PKT2CMD(pkt);
1441 MRSAS_REQUEST_DESCRIPTOR_UNION *ReqDescUnion;
1442 Mpi2RaidSCSIIORequest_t *scsi_raid_io;
1443 uint32_t datalen;
1444 struct IO_REQUEST_INFO io_info;
1445 MR_FW_RAID_MAP_ALL *local_map_ptr;
1446 uint16_t pd_cmd_cdblen;
1447
1448 con_log(CL_DLEVEL1, (CE_NOTE,
1449 "chkpnt: Entered mrsas_tbolt_build_cmd:%d", __LINE__));
1450
1451 /* find out if this is logical or physical drive command. */
1452 acmd->islogical = MRDRV_IS_LOGICAL(ap);
1453 acmd->device_id = MAP_DEVICE_ID(instance, ap);
1454
1455 *cmd_done = 0;
1456
1457 /* get the command packet */
1458 if (!(cmd = get_raid_msg_pkt(instance))) {
1459 DTRACE_PROBE2(tbolt_build_cmd_mfi_err, uint16_t,
1460 instance->fw_outstanding, uint16_t, instance->max_fw_cmds);
1461 return (NULL);
1462 }
1463
1464 index = cmd->index;
1465 ReqDescUnion = mr_sas_get_request_descriptor(instance, index);
1466 ReqDescUnion->Words = 0;
1467 ReqDescUnion->SCSIIO.SMID = cmd->SMID;
1468 ReqDescUnion->SCSIIO.RequestFlags =
1469 (MPI2_REQ_DESCRIPT_FLAGS_LD_IO <<
1470 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1471
1472
1473 cmd->request_desc = ReqDescUnion;
1474 cmd->pkt = pkt;
1475 cmd->cmd = acmd;
1476
1477 DTRACE_PROBE4(tbolt_build_cmd, uint8_t, pkt->pkt_cdbp[0],
1478 ulong_t, acmd->cmd_dmacount, ulong_t, acmd->cmd_dma_len,
1479 uint16_t, acmd->device_id);
1480
1481 /* lets get the command directions */
1482 if (acmd->cmd_flags & CFLAG_DMASEND) {
1483 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
1484 (void) ddi_dma_sync(acmd->cmd_dmahandle,
1485 acmd->cmd_dma_offset, acmd->cmd_dma_len,
1486 DDI_DMA_SYNC_FORDEV);
1487 }
1488 } else if (acmd->cmd_flags & ~CFLAG_DMASEND) {
1489 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
1490 (void) ddi_dma_sync(acmd->cmd_dmahandle,
1491 acmd->cmd_dma_offset, acmd->cmd_dma_len,
1492 DDI_DMA_SYNC_FORCPU);
1493 }
1494 } else {
1495 con_log(CL_ANN, (CE_NOTE, "NO DMA"));
1496 }
1497
1498
1499 /* get SCSI_IO raid message frame pointer */
1500 scsi_raid_io = (Mpi2RaidSCSIIORequest_t *)cmd->scsi_io_request;
1501
1502 /* zero out SCSI_IO raid message frame */
1503 bzero(scsi_raid_io, sizeof (Mpi2RaidSCSIIORequest_t));
1504
1505 /* Set the ldTargetId set by BuildRaidContext() */
1506 ddi_put16(acc_handle, &scsi_raid_io->RaidContext.ldTargetId,
1507 acmd->device_id);
1508
1509 /* Copy CDB to scsi_io_request message frame */
1510 ddi_rep_put8(acc_handle,
1511 (uint8_t *)pkt->pkt_cdbp, (uint8_t *)scsi_raid_io->CDB.CDB32,
1512 acmd->cmd_cdblen, DDI_DEV_AUTOINCR);
1513
1514 /*
1515 * Just the CDB length, rest of the Flags are zero
1516 * This will be modified later.
1517 */
1518 ddi_put16(acc_handle, &scsi_raid_io->IoFlags, acmd->cmd_cdblen);
1519
1520 pd_cmd_cdblen = acmd->cmd_cdblen;
1521
1522 if (acmd->islogical) {
1523
1524 switch (pkt->pkt_cdbp[0]) {
1525 case SCMD_READ:
1526 case SCMD_WRITE:
1527 case SCMD_READ_G1:
1528 case SCMD_WRITE_G1:
1529 case SCMD_READ_G4:
1530 case SCMD_WRITE_G4:
1531 case SCMD_READ_G5:
1532 case SCMD_WRITE_G5:
1533
1534 /* Initialize sense Information */
1535 if (cmd->sense1 == NULL) {
1536 con_log(CL_ANN, (CE_NOTE, "tbolt_build_cmd: "
1537 "Sense buffer ptr NULL "));
1538 }
1539 bzero(cmd->sense1, SENSE_LENGTH);
1540 con_log(CL_DLEVEL2, (CE_NOTE, "tbolt_build_cmd "
1541 "CDB[0] = %x\n", pkt->pkt_cdbp[0]));
1542
1543 if (acmd->cmd_cdblen == CDB_GROUP0) {
1544 /* 6-byte cdb */
1545 lba_count = (uint16_t)(pkt->pkt_cdbp[4]);
1546 start_lba_lo = ((uint32_t)(pkt->pkt_cdbp[3]) |
1547 ((uint32_t)(pkt->pkt_cdbp[2]) << 8) |
1548 ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F)
1549 << 16));
1550 } else if (acmd->cmd_cdblen == CDB_GROUP1) {
1551 /* 10-byte cdb */
1552 lba_count =
1553 (((uint16_t)(pkt->pkt_cdbp[8])) |
1554 ((uint16_t)(pkt->pkt_cdbp[7]) << 8));
1555
1556 start_lba_lo =
1557 (((uint32_t)(pkt->pkt_cdbp[5])) |
1558 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
1559 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
1560 ((uint32_t)(pkt->pkt_cdbp[2]) << 24));
1561
1562 } else if (acmd->cmd_cdblen == CDB_GROUP5) {
1563 /* 12-byte cdb */
1564 lba_count = (
1565 ((uint32_t)(pkt->pkt_cdbp[9])) |
1566 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
1567 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
1568 ((uint32_t)(pkt->pkt_cdbp[6]) << 24));
1569
1570 start_lba_lo =
1571 (((uint32_t)(pkt->pkt_cdbp[5])) |
1572 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
1573 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
1574 ((uint32_t)(pkt->pkt_cdbp[2]) << 24));
1575
1576 } else if (acmd->cmd_cdblen == CDB_GROUP4) {
1577 /* 16-byte cdb */
1578 lba_count = (
1579 ((uint32_t)(pkt->pkt_cdbp[13])) |
1580 ((uint32_t)(pkt->pkt_cdbp[12]) << 8) |
1581 ((uint32_t)(pkt->pkt_cdbp[11]) << 16) |
1582 ((uint32_t)(pkt->pkt_cdbp[10]) << 24));
1583
1584 start_lba_lo = (
1585 ((uint32_t)(pkt->pkt_cdbp[9])) |
1586 ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
1587 ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
1588 ((uint32_t)(pkt->pkt_cdbp[6]) << 24));
1589
1590 start_lba_hi = (
1591 ((uint32_t)(pkt->pkt_cdbp[5])) |
1592 ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
1593 ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
1594 ((uint32_t)(pkt->pkt_cdbp[2]) << 24));
1595 }
1596
1597 if (instance->tbolt &&
1598 ((lba_count * 512) > mrsas_tbolt_max_cap_maxxfer)) {
1599 dev_err(instance->dip, CE_WARN,
1600 "IO SECTOR COUNT exceeds "
1601 "controller limit 0x%x sectors",
1602 lba_count);
1603 }
1604
1605 bzero(&io_info, sizeof (struct IO_REQUEST_INFO));
1606 io_info.ldStartBlock = ((uint64_t)start_lba_hi << 32) |
1607 start_lba_lo;
1608 io_info.numBlocks = lba_count;
1609 io_info.ldTgtId = acmd->device_id;
1610
1611 if (acmd->cmd_flags & CFLAG_DMASEND)
1612 io_info.isRead = 0;
1613 else
1614 io_info.isRead = 1;
1615
1616
1617 /* Acquire SYNC MAP UPDATE lock */
1618 mutex_enter(&instance->sync_map_mtx);
1619
1620 local_map_ptr =
1621 instance->ld_map[(instance->map_id & 1)];
1622
1623 if ((MR_TargetIdToLdGet(
1624 acmd->device_id, local_map_ptr) >=
1625 MAX_LOGICAL_DRIVES) || !instance->fast_path_io) {
1626 dev_err(instance->dip, CE_NOTE,
1627 "Fast Path NOT Possible, "
1628 "targetId >= MAX_LOGICAL_DRIVES || "
1629 "!instance->fast_path_io");
1630 fp_possible = 0;
1631 /* Set Regionlock flags to BYPASS */
1632 /* io_request->RaidContext.regLockFlags = 0; */
1633 ddi_put8(acc_handle,
1634 &scsi_raid_io->RaidContext.regLockFlags, 0);
1635 } else {
1636 if (MR_BuildRaidContext(instance, &io_info,
1637 &scsi_raid_io->RaidContext, local_map_ptr))
1638 fp_possible = io_info.fpOkForIo;
1639 }
1640
1641 if (!enable_fp)
1642 fp_possible = 0;
1643
1644 con_log(CL_ANN1, (CE_NOTE, "enable_fp %d "
1645 "instance->fast_path_io %d fp_possible %d",
1646 enable_fp, instance->fast_path_io, fp_possible));
1647
1648 if (fp_possible) {
1649
1650 /* Check for DIF enabled LD */
1651 if (MR_CheckDIF(acmd->device_id, local_map_ptr)) {
1652 /* Prepare 32 Byte CDB for DIF capable Disk */
1653 mrsas_tbolt_prepare_cdb(instance,
1654 scsi_raid_io->CDB.CDB32,
1655 &io_info, scsi_raid_io, start_lba_lo);
1656 } else {
1657 mrsas_tbolt_set_pd_lba(scsi_raid_io->CDB.CDB32,
1658 sizeof (scsi_raid_io->CDB.CDB32),
1659 (uint8_t *)&pd_cmd_cdblen,
1660 io_info.pdBlock, io_info.numBlocks);
1661 ddi_put16(acc_handle,
1662 &scsi_raid_io->IoFlags, pd_cmd_cdblen);
1663 }
1664
1665 ddi_put8(acc_handle, &scsi_raid_io->Function,
1666 MPI2_FUNCTION_SCSI_IO_REQUEST);
1667
1668 ReqDescUnion->SCSIIO.RequestFlags =
1669 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
1670 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1671
1672 if (instance->gen3) {
1673 uint8_t regLockFlags = ddi_get8(acc_handle,
1674 &scsi_raid_io->RaidContext.regLockFlags);
1675 uint16_t IoFlags = ddi_get16(acc_handle,
1676 &scsi_raid_io->IoFlags);
1677
1678 if (regLockFlags == REGION_TYPE_UNUSED)
1679 ReqDescUnion->SCSIIO.RequestFlags =
1680 (MPI2_REQ_DESCRIPT_FLAGS_NO_LOCK <<
1681 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1682
1683 IoFlags |=
1684 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1685 regLockFlags |=
1686 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
1687 MR_RL_FLAGS_SEQ_NUM_ENABLE);
1688
1689 ddi_put8(acc_handle,
1690 &scsi_raid_io->ChainOffset, 0);
1691 ddi_put8(acc_handle,
1692 &scsi_raid_io->RaidContext.nsegType,
1693 ((0x01 << MPI2_NSEG_FLAGS_SHIFT) |
1694 MPI2_TYPE_CUDA));
1695 ddi_put8(acc_handle,
1696 &scsi_raid_io->RaidContext.regLockFlags,
1697 regLockFlags);
1698 ddi_put16(acc_handle,
1699 &scsi_raid_io->IoFlags, IoFlags);
1700 }
1701
1702 if ((instance->load_balance_info[
1703 acmd->device_id].loadBalanceFlag) &&
1704 (io_info.isRead)) {
1705 io_info.devHandle =
1706 get_updated_dev_handle(&instance->
1707 load_balance_info[acmd->device_id],
1708 &io_info);
1709 cmd->load_balance_flag |=
1710 MEGASAS_LOAD_BALANCE_FLAG;
1711 } else {
1712 cmd->load_balance_flag &=
1713 ~MEGASAS_LOAD_BALANCE_FLAG;
1714 }
1715
1716 ReqDescUnion->SCSIIO.DevHandle = io_info.devHandle;
1717 ddi_put16(acc_handle, &scsi_raid_io->DevHandle,
1718 io_info.devHandle);
1719
1720 } else { /* FP Not Possible */
1721
1722 ddi_put8(acc_handle, &scsi_raid_io->Function,
1723 MPI2_FUNCTION_LD_IO_REQUEST);
1724
1725 ddi_put16(acc_handle,
1726 &scsi_raid_io->DevHandle, acmd->device_id);
1727
1728 ReqDescUnion->SCSIIO.RequestFlags =
1729 (MPI2_REQ_DESCRIPT_FLAGS_LD_IO <<
1730 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1731
1732 ddi_put16(acc_handle,
1733 &scsi_raid_io->RaidContext.timeoutValue,
1734 local_map_ptr->raidMap.fpPdIoTimeoutSec);
1735
1736 if (instance->gen3) {
1737 uint8_t regLockFlags = ddi_get8(acc_handle,
1738 &scsi_raid_io->RaidContext.regLockFlags);
1739
1740 if (regLockFlags == REGION_TYPE_UNUSED) {
1741 ReqDescUnion->SCSIIO.RequestFlags =
1742 (MPI2_REQ_DESCRIPT_FLAGS_NO_LOCK <<
1743 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1744 }
1745
1746 regLockFlags |=
1747 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
1748 MR_RL_FLAGS_SEQ_NUM_ENABLE);
1749
1750 ddi_put8(acc_handle,
1751 &scsi_raid_io->RaidContext.nsegType,
1752 ((0x01 << MPI2_NSEG_FLAGS_SHIFT) |
1753 MPI2_TYPE_CUDA));
1754 ddi_put8(acc_handle,
1755 &scsi_raid_io->RaidContext.regLockFlags,
1756 regLockFlags);
1757 }
1758 } /* Not FP */
1759
1760 /* Release SYNC MAP UPDATE lock */
1761 mutex_exit(&instance->sync_map_mtx);
1762
1763 break;
1764
1765 case 0x35: { /* SCMD_SYNCHRONIZE_CACHE */
1766 return_raid_msg_pkt(instance, cmd);
1767 *cmd_done = 1;
1768 return (NULL);
1769 }
1770
1771 case SCMD_MODE_SENSE:
1772 case SCMD_MODE_SENSE_G1: {
1773 union scsi_cdb *cdbp;
1774 uint16_t page_code;
1775
1776 cdbp = (void *)pkt->pkt_cdbp;
1777 page_code = (uint16_t)cdbp->cdb_un.sg.scsi[0];
1778 switch (page_code) {
1779 case 0x3:
1780 case 0x4:
1781 (void) mrsas_mode_sense_build(pkt);
1782 return_raid_msg_pkt(instance, cmd);
1783 *cmd_done = 1;
1784 return (NULL);
1785 }
1786 return (cmd);
1787 }
1788
1789 default:
1790 /* Pass-through command to logical drive */
1791 ddi_put8(acc_handle, &scsi_raid_io->Function,
1792 MPI2_FUNCTION_LD_IO_REQUEST);
1793 ddi_put8(acc_handle, &scsi_raid_io->LUN[1], acmd->lun);
1794 ddi_put16(acc_handle, &scsi_raid_io->DevHandle,
1795 acmd->device_id);
1796 ReqDescUnion->SCSIIO.RequestFlags =
1797 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
1798 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1799 break;
1800 }
1801 } else { /* Physical */
1802 /* Pass-through command to physical drive */
1803
1804 /* Acquire SYNC MAP UPDATE lock */
1805 mutex_enter(&instance->sync_map_mtx);
1806
1807 local_map_ptr = instance->ld_map[instance->map_id & 1];
1808
1809 ddi_put8(acc_handle, &scsi_raid_io->Function,
1810 MPI2_FUNCTION_SCSI_IO_REQUEST);
1811
1812 ReqDescUnion->SCSIIO.RequestFlags =
1813 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
1814 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1815
1816 ddi_put16(acc_handle, &scsi_raid_io->DevHandle,
1817 local_map_ptr->raidMap.
1818 devHndlInfo[acmd->device_id].curDevHdl);
1819
1820 /* Set regLockFlasgs to REGION_TYPE_BYPASS */
1821 ddi_put8(acc_handle,
1822 &scsi_raid_io->RaidContext.regLockFlags, 0);
1823 ddi_put64(acc_handle,
1824 &scsi_raid_io->RaidContext.regLockRowLBA, 0);
1825 ddi_put32(acc_handle,
1826 &scsi_raid_io->RaidContext.regLockLength, 0);
1827 ddi_put8(acc_handle,
1828 &scsi_raid_io->RaidContext.RAIDFlags,
1829 MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
1830 MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
1831 ddi_put16(acc_handle,
1832 &scsi_raid_io->RaidContext.timeoutValue,
1833 local_map_ptr->raidMap.fpPdIoTimeoutSec);
1834 ddi_put16(acc_handle,
1835 &scsi_raid_io->RaidContext.ldTargetId,
1836 acmd->device_id);
1837 ddi_put8(acc_handle,
1838 &scsi_raid_io->LUN[1], acmd->lun);
1839
1840 if (instance->fast_path_io && instance->gen3) {
1841 uint16_t IoFlags = ddi_get16(acc_handle,
1842 &scsi_raid_io->IoFlags);
1843 IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1844 ddi_put16(acc_handle, &scsi_raid_io->IoFlags, IoFlags);
1845 }
1846 ddi_put16(acc_handle, &ReqDescUnion->SCSIIO.DevHandle,
1847 local_map_ptr->raidMap.
1848 devHndlInfo[acmd->device_id].curDevHdl);
1849
1850 /* Release SYNC MAP UPDATE lock */
1851 mutex_exit(&instance->sync_map_mtx);
1852 }
1853
1854 /* Set sense buffer physical address/length in scsi_io_request. */
1855 ddi_put32(acc_handle, &scsi_raid_io->SenseBufferLowAddress,
1856 cmd->sense_phys_addr1);
1857 ddi_put8(acc_handle, &scsi_raid_io->SenseBufferLength, SENSE_LENGTH);
1858
1859 /* Construct SGL */
1860 ddi_put8(acc_handle, &scsi_raid_io->SGLOffset0,
1861 offsetof(MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4);
1862
1863 (void) mr_sas_tbolt_build_sgl(instance, acmd, cmd,
1864 scsi_raid_io, &datalen);
1865
1866 ddi_put32(acc_handle, &scsi_raid_io->DataLength, datalen);
1867
1868 con_log(CL_ANN, (CE_CONT,
1869 "tbolt_build_cmd CDB[0] =%x, TargetID =%x\n",
1870 pkt->pkt_cdbp[0], acmd->device_id));
1871 con_log(CL_DLEVEL1, (CE_CONT,
1872 "data length = %x\n",
1873 scsi_raid_io->DataLength));
1874 con_log(CL_DLEVEL1, (CE_CONT,
1875 "cdb length = %x\n",
1876 acmd->cmd_cdblen));
1877
1878 return (cmd);
1879 }
1880
1881 uint32_t
tbolt_read_fw_status_reg(struct mrsas_instance * instance)1882 tbolt_read_fw_status_reg(struct mrsas_instance *instance)
1883 {
1884 return ((uint32_t)RD_OB_SCRATCH_PAD_0(instance));
1885 }
1886
1887 void
tbolt_issue_cmd(struct mrsas_cmd * cmd,struct mrsas_instance * instance)1888 tbolt_issue_cmd(struct mrsas_cmd *cmd, struct mrsas_instance *instance)
1889 {
1890 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc = cmd->request_desc;
1891 atomic_inc_16(&instance->fw_outstanding);
1892
1893 struct scsi_pkt *pkt;
1894
1895 con_log(CL_ANN1,
1896 (CE_NOTE, "tbolt_issue_cmd: cmd->[SMID]=0x%X", cmd->SMID));
1897
1898 con_log(CL_DLEVEL1, (CE_CONT,
1899 " [req desc Words] %" PRIx64 " \n", req_desc->Words));
1900 con_log(CL_DLEVEL1, (CE_CONT,
1901 " [req desc low part] %x \n",
1902 (uint_t)(req_desc->Words & 0xffffffffff)));
1903 con_log(CL_DLEVEL1, (CE_CONT,
1904 " [req desc high part] %x \n", (uint_t)(req_desc->Words >> 32)));
1905 pkt = cmd->pkt;
1906
1907 if (pkt) {
1908 con_log(CL_ANN1, (CE_CONT, "%llx :TBOLT issue_cmd_ppc:"
1909 "ISSUED CMD TO FW : called : cmd:"
1910 ": %p instance : %p pkt : %p pkt_time : %x\n",
1911 gethrtime(), (void *)cmd, (void *)instance,
1912 (void *)pkt, cmd->drv_pkt_time));
1913 if (instance->adapterresetinprogress) {
1914 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
1915 con_log(CL_ANN, (CE_NOTE,
1916 "TBOLT Reset the scsi_pkt timer"));
1917 } else {
1918 push_pending_mfi_pkt(instance, cmd);
1919 }
1920
1921 } else {
1922 con_log(CL_ANN1, (CE_CONT, "%llx :TBOLT issue_cmd_ppc:"
1923 "ISSUED CMD TO FW : called : cmd : %p, instance: %p"
1924 "(NO PKT)\n", gethrtime(), (void *)cmd, (void *)instance));
1925 }
1926
1927 /* Issue the command to the FW */
1928 mutex_enter(&instance->reg_write_mtx);
1929 WR_IB_LOW_QPORT((uint32_t)(req_desc->Words), instance);
1930 WR_IB_HIGH_QPORT((uint32_t)(req_desc->Words >> 32), instance);
1931 mutex_exit(&instance->reg_write_mtx);
1932 }
1933
1934 /*
1935 * issue_cmd_in_sync_mode
1936 */
1937 int
tbolt_issue_cmd_in_sync_mode(struct mrsas_instance * instance,struct mrsas_cmd * cmd)1938 tbolt_issue_cmd_in_sync_mode(struct mrsas_instance *instance,
1939 struct mrsas_cmd *cmd)
1940 {
1941 int i;
1942 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
1943 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc = cmd->request_desc;
1944
1945 struct mrsas_header *hdr;
1946 hdr = (struct mrsas_header *)&cmd->frame->hdr;
1947
1948 con_log(CL_ANN,
1949 (CE_NOTE, "tbolt_issue_cmd_in_sync_mode: cmd->[SMID]=0x%X",
1950 cmd->SMID));
1951
1952
1953 if (instance->adapterresetinprogress) {
1954 cmd->drv_pkt_time = ddi_get16
1955 (cmd->frame_dma_obj.acc_handle, &hdr->timeout);
1956 if (cmd->drv_pkt_time < debug_timeout_g)
1957 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
1958 con_log(CL_ANN, (CE_NOTE, "tbolt_issue_cmd_in_sync_mode:"
1959 "RESET-IN-PROGRESS, issue cmd & return."));
1960
1961 mutex_enter(&instance->reg_write_mtx);
1962 WR_IB_LOW_QPORT((uint32_t)(req_desc->Words), instance);
1963 WR_IB_HIGH_QPORT((uint32_t)(req_desc->Words >> 32), instance);
1964 mutex_exit(&instance->reg_write_mtx);
1965
1966 return (DDI_SUCCESS);
1967 } else {
1968 con_log(CL_ANN1, (CE_NOTE,
1969 "tbolt_issue_cmd_in_sync_mode: pushing the pkt"));
1970 push_pending_mfi_pkt(instance, cmd);
1971 }
1972
1973 con_log(CL_DLEVEL2, (CE_NOTE,
1974 "HighQport offset :%p",
1975 (void *)((uintptr_t)(instance)->regmap + IB_HIGH_QPORT)));
1976 con_log(CL_DLEVEL2, (CE_NOTE,
1977 "LowQport offset :%p",
1978 (void *)((uintptr_t)(instance)->regmap + IB_LOW_QPORT)));
1979
1980 cmd->sync_cmd = MRSAS_TRUE;
1981 cmd->cmd_status = ENODATA;
1982
1983
1984 mutex_enter(&instance->reg_write_mtx);
1985 WR_IB_LOW_QPORT((uint32_t)(req_desc->Words), instance);
1986 WR_IB_HIGH_QPORT((uint32_t)(req_desc->Words >> 32), instance);
1987 mutex_exit(&instance->reg_write_mtx);
1988
1989 con_log(CL_ANN1, (CE_NOTE,
1990 " req desc high part %x", (uint_t)(req_desc->Words >> 32)));
1991 con_log(CL_ANN1, (CE_NOTE, " req desc low part %x",
1992 (uint_t)(req_desc->Words & 0xffffffff)));
1993
1994 mutex_enter(&instance->int_cmd_mtx);
1995 for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) {
1996 cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx);
1997 }
1998 mutex_exit(&instance->int_cmd_mtx);
1999
2000
2001 if (i < (msecs -1)) {
2002 return (DDI_SUCCESS);
2003 } else {
2004 return (DDI_FAILURE);
2005 }
2006 }
2007
2008 /*
2009 * issue_cmd_in_poll_mode
2010 */
2011 int
tbolt_issue_cmd_in_poll_mode(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2012 tbolt_issue_cmd_in_poll_mode(struct mrsas_instance *instance,
2013 struct mrsas_cmd *cmd)
2014 {
2015 int i;
2016 uint16_t flags;
2017 uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
2018 struct mrsas_header *frame_hdr;
2019
2020 con_log(CL_ANN,
2021 (CE_NOTE, "tbolt_issue_cmd_in_poll_mode: cmd->[SMID]=0x%X",
2022 cmd->SMID));
2023
2024 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc = cmd->request_desc;
2025
2026 frame_hdr = (struct mrsas_header *)&cmd->frame->hdr;
2027 ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status,
2028 MFI_CMD_STATUS_POLL_MODE);
2029 flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags);
2030 flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
2031 ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags);
2032
2033 con_log(CL_ANN1, (CE_NOTE, " req desc low part %x",
2034 (uint_t)(req_desc->Words & 0xffffffff)));
2035 con_log(CL_ANN1, (CE_NOTE,
2036 " req desc high part %x", (uint_t)(req_desc->Words >> 32)));
2037
2038 /* issue the frame using inbound queue port */
2039 mutex_enter(&instance->reg_write_mtx);
2040 WR_IB_LOW_QPORT((uint32_t)(req_desc->Words), instance);
2041 WR_IB_HIGH_QPORT((uint32_t)(req_desc->Words >> 32), instance);
2042 mutex_exit(&instance->reg_write_mtx);
2043
2044 for (i = 0; i < msecs && (
2045 ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
2046 == MFI_CMD_STATUS_POLL_MODE); i++) {
2047 /* wait for cmd_status to change from 0xFF */
2048 drv_usecwait(MILLISEC); /* wait for 1000 usecs */
2049 }
2050
2051 DTRACE_PROBE1(tbolt_complete_poll_cmd, uint8_t, i);
2052
2053 if (ddi_get8(cmd->frame_dma_obj.acc_handle,
2054 &frame_hdr->cmd_status) == MFI_CMD_STATUS_POLL_MODE) {
2055 con_log(CL_ANN1, (CE_NOTE,
2056 " cmd failed %" PRIx64, (req_desc->Words)));
2057 return (DDI_FAILURE);
2058 }
2059
2060 return (DDI_SUCCESS);
2061 }
2062
2063 void
tbolt_enable_intr(struct mrsas_instance * instance)2064 tbolt_enable_intr(struct mrsas_instance *instance)
2065 {
2066 /* TODO: For Thunderbolt/Invader also clear intr on enable */
2067 /* writel(~0, ®s->outbound_intr_status); */
2068 /* readl(®s->outbound_intr_status); */
2069
2070 WR_OB_INTR_MASK(~(MFI_FUSION_ENABLE_INTERRUPT_MASK), instance);
2071
2072 /* dummy read to force PCI flush */
2073 (void) RD_OB_INTR_MASK(instance);
2074
2075 }
2076
2077 void
tbolt_disable_intr(struct mrsas_instance * instance)2078 tbolt_disable_intr(struct mrsas_instance *instance)
2079 {
2080 uint32_t mask = 0xFFFFFFFF;
2081
2082 WR_OB_INTR_MASK(mask, instance);
2083
2084 /* Dummy readl to force pci flush */
2085
2086 (void) RD_OB_INTR_MASK(instance);
2087 }
2088
2089
2090 int
tbolt_intr_ack(struct mrsas_instance * instance)2091 tbolt_intr_ack(struct mrsas_instance *instance)
2092 {
2093 uint32_t status;
2094
2095 /* check if it is our interrupt */
2096 status = RD_OB_INTR_STATUS(instance);
2097 con_log(CL_ANN1, (CE_NOTE,
2098 "chkpnt: Entered tbolt_intr_ack status = %d", status));
2099
2100 if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) {
2101 return (DDI_INTR_UNCLAIMED);
2102 }
2103
2104 if (mrsas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) {
2105 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
2106 return (DDI_INTR_UNCLAIMED);
2107 }
2108
2109 if ((status & 1) || (status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) {
2110 /* clear the interrupt by writing back the same value */
2111 WR_OB_INTR_STATUS(status, instance);
2112 /* dummy READ */
2113 (void) RD_OB_INTR_STATUS(instance);
2114 }
2115 return (DDI_INTR_CLAIMED);
2116 }
2117
2118 /*
2119 * get_raid_msg_pkt : Get a command from the free pool
2120 * After successful allocation, the caller of this routine
2121 * must clear the frame buffer (memset to zero) before
2122 * using the packet further.
2123 *
2124 * ***** Note *****
2125 * After clearing the frame buffer the context id of the
2126 * frame buffer SHOULD be restored back.
2127 */
2128
2129 struct mrsas_cmd *
get_raid_msg_pkt(struct mrsas_instance * instance)2130 get_raid_msg_pkt(struct mrsas_instance *instance)
2131 {
2132 mlist_t *head = &instance->cmd_pool_list;
2133 struct mrsas_cmd *cmd = NULL;
2134
2135 mutex_enter(&instance->cmd_pool_mtx);
2136 ASSERT(mutex_owned(&instance->cmd_pool_mtx));
2137
2138
2139 if (!mlist_empty(head)) {
2140 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2141 mlist_del_init(head->next);
2142 }
2143 if (cmd != NULL) {
2144 cmd->pkt = NULL;
2145 cmd->retry_count_for_ocr = 0;
2146 cmd->drv_pkt_time = 0;
2147 }
2148 mutex_exit(&instance->cmd_pool_mtx);
2149
2150 if (cmd != NULL)
2151 bzero(cmd->scsi_io_request,
2152 sizeof (Mpi2RaidSCSIIORequest_t));
2153 return (cmd);
2154 }
2155
2156 struct mrsas_cmd *
get_raid_msg_mfi_pkt(struct mrsas_instance * instance)2157 get_raid_msg_mfi_pkt(struct mrsas_instance *instance)
2158 {
2159 mlist_t *head = &instance->cmd_app_pool_list;
2160 struct mrsas_cmd *cmd = NULL;
2161
2162 mutex_enter(&instance->cmd_app_pool_mtx);
2163 ASSERT(mutex_owned(&instance->cmd_app_pool_mtx));
2164
2165 if (!mlist_empty(head)) {
2166 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2167 mlist_del_init(head->next);
2168 }
2169 if (cmd != NULL) {
2170 cmd->retry_count_for_ocr = 0;
2171 cmd->drv_pkt_time = 0;
2172 cmd->pkt = NULL;
2173 cmd->request_desc = NULL;
2174
2175 }
2176
2177 mutex_exit(&instance->cmd_app_pool_mtx);
2178
2179 if (cmd != NULL) {
2180 bzero(cmd->scsi_io_request,
2181 sizeof (Mpi2RaidSCSIIORequest_t));
2182 }
2183
2184 return (cmd);
2185 }
2186
2187 /*
2188 * return_raid_msg_pkt : Return a cmd to free command pool
2189 */
2190 void
return_raid_msg_pkt(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2191 return_raid_msg_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2192 {
2193 mutex_enter(&instance->cmd_pool_mtx);
2194 ASSERT(mutex_owned(&instance->cmd_pool_mtx));
2195
2196
2197 mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
2198
2199 mutex_exit(&instance->cmd_pool_mtx);
2200 }
2201
2202 void
return_raid_msg_mfi_pkt(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2203 return_raid_msg_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2204 {
2205 mutex_enter(&instance->cmd_app_pool_mtx);
2206 ASSERT(mutex_owned(&instance->cmd_app_pool_mtx));
2207
2208 mlist_add_tail(&cmd->list, &instance->cmd_app_pool_list);
2209
2210 mutex_exit(&instance->cmd_app_pool_mtx);
2211 }
2212
2213
2214 void
mr_sas_tbolt_build_mfi_cmd(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2215 mr_sas_tbolt_build_mfi_cmd(struct mrsas_instance *instance,
2216 struct mrsas_cmd *cmd)
2217 {
2218 Mpi2RaidSCSIIORequest_t *scsi_raid_io;
2219 Mpi25IeeeSgeChain64_t *scsi_raid_io_sgl_ieee;
2220 MRSAS_REQUEST_DESCRIPTOR_UNION *ReqDescUnion;
2221 uint32_t index;
2222 ddi_acc_handle_t acc_handle =
2223 instance->mpi2_frame_pool_dma_obj.acc_handle;
2224
2225 if (!instance->tbolt) {
2226 con_log(CL_ANN, (CE_NOTE, "Not MFA enabled."));
2227 return;
2228 }
2229
2230 index = cmd->index;
2231
2232 ReqDescUnion = mr_sas_get_request_descriptor(instance, index);
2233
2234 if (!ReqDescUnion) {
2235 con_log(CL_ANN1, (CE_NOTE, "[NULL REQDESC]"));
2236 return;
2237 }
2238
2239 con_log(CL_ANN1, (CE_NOTE, "[SMID]%x", cmd->SMID));
2240
2241 ReqDescUnion->Words = 0;
2242
2243 ReqDescUnion->SCSIIO.RequestFlags =
2244 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
2245 MPI2_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
2246
2247 ReqDescUnion->SCSIIO.SMID = cmd->SMID;
2248
2249 cmd->request_desc = ReqDescUnion;
2250
2251 /* get raid message frame pointer */
2252 scsi_raid_io = (Mpi2RaidSCSIIORequest_t *)cmd->scsi_io_request;
2253
2254 if (instance->gen3) {
2255 Mpi25IeeeSgeChain64_t *sgl_ptr_end = (Mpi25IeeeSgeChain64_t *)
2256 &scsi_raid_io->SGL.IeeeChain;
2257 sgl_ptr_end += instance->max_sge_in_main_msg - 1;
2258 ddi_put8(acc_handle, &sgl_ptr_end->Flags, 0);
2259 }
2260
2261 ddi_put8(acc_handle, &scsi_raid_io->Function,
2262 MPI2_FUNCTION_PASSTHRU_IO_REQUEST);
2263
2264 ddi_put8(acc_handle, &scsi_raid_io->SGLOffset0,
2265 offsetof(MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4);
2266
2267 ddi_put8(acc_handle, &scsi_raid_io->ChainOffset,
2268 (U8)offsetof(MPI2_RAID_SCSI_IO_REQUEST, SGL) / 16);
2269
2270 ddi_put32(acc_handle, &scsi_raid_io->SenseBufferLowAddress,
2271 cmd->sense_phys_addr1);
2272
2273
2274 scsi_raid_io_sgl_ieee =
2275 (Mpi25IeeeSgeChain64_t *)&scsi_raid_io->SGL.IeeeChain;
2276
2277 ddi_put64(acc_handle, &scsi_raid_io_sgl_ieee->Address,
2278 (U64)cmd->frame_phys_addr);
2279
2280 ddi_put8(acc_handle,
2281 &scsi_raid_io_sgl_ieee->Flags, (IEEE_SGE_FLAGS_CHAIN_ELEMENT |
2282 MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR));
2283 /* LSI put hardcoded 1024 instead of MEGASAS_MAX_SZ_CHAIN_FRAME. */
2284 ddi_put32(acc_handle, &scsi_raid_io_sgl_ieee->Length, 1024);
2285
2286 con_log(CL_ANN1, (CE_NOTE,
2287 "[MFI CMD PHY ADDRESS]:%" PRIx64,
2288 scsi_raid_io_sgl_ieee->Address));
2289 con_log(CL_ANN1, (CE_NOTE,
2290 "[SGL Length]:%x", scsi_raid_io_sgl_ieee->Length));
2291 con_log(CL_ANN1, (CE_NOTE, "[SGL Flags]:%x",
2292 scsi_raid_io_sgl_ieee->Flags));
2293 }
2294
2295
2296 void
tbolt_complete_cmd(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2297 tbolt_complete_cmd(struct mrsas_instance *instance,
2298 struct mrsas_cmd *cmd)
2299 {
2300 uint8_t status;
2301 uint8_t extStatus;
2302 uint8_t function;
2303 uint8_t arm;
2304 struct scsa_cmd *acmd;
2305 struct scsi_pkt *pkt;
2306 struct scsi_arq_status *arqstat;
2307 Mpi2RaidSCSIIORequest_t *scsi_raid_io;
2308 LD_LOAD_BALANCE_INFO *lbinfo;
2309 ddi_acc_handle_t acc_handle =
2310 instance->mpi2_frame_pool_dma_obj.acc_handle;
2311
2312 scsi_raid_io = (Mpi2RaidSCSIIORequest_t *)cmd->scsi_io_request;
2313
2314 status = ddi_get8(acc_handle, &scsi_raid_io->RaidContext.status);
2315 extStatus = ddi_get8(acc_handle, &scsi_raid_io->RaidContext.extStatus);
2316
2317 con_log(CL_DLEVEL3, (CE_NOTE, "status %x", status));
2318 con_log(CL_DLEVEL3, (CE_NOTE, "extStatus %x", extStatus));
2319
2320 if (status != MFI_STAT_OK) {
2321 con_log(CL_ANN, (CE_WARN,
2322 "IO Cmd Failed SMID %x", cmd->SMID));
2323 } else {
2324 con_log(CL_ANN, (CE_NOTE,
2325 "IO Cmd Success SMID %x", cmd->SMID));
2326 }
2327
2328 /* regular commands */
2329
2330 function = ddi_get8(acc_handle, &scsi_raid_io->Function);
2331 DTRACE_PROBE3(tbolt_complete_cmd, uint8_t, function,
2332 uint8_t, status, uint8_t, extStatus);
2333
2334 switch (function) {
2335
2336 case MPI2_FUNCTION_SCSI_IO_REQUEST : /* Fast Path IO. */
2337 acmd = (struct scsa_cmd *)cmd->cmd;
2338 lbinfo = &instance->load_balance_info[acmd->device_id];
2339
2340 if (cmd->load_balance_flag & MEGASAS_LOAD_BALANCE_FLAG) {
2341 arm = lbinfo->raid1DevHandle[0] ==
2342 scsi_raid_io->DevHandle ? 0 : 1;
2343
2344 lbinfo->scsi_pending_cmds[arm]--;
2345 cmd->load_balance_flag &= ~MEGASAS_LOAD_BALANCE_FLAG;
2346 }
2347 con_log(CL_DLEVEL3, (CE_NOTE,
2348 "FastPath IO Completion Success "));
2349 /* FALLTHRU */
2350
2351 case MPI2_FUNCTION_LD_IO_REQUEST : { /* Regular Path IO. */
2352 acmd = (struct scsa_cmd *)cmd->cmd;
2353 pkt = (struct scsi_pkt *)CMD2PKT(acmd);
2354
2355 if (acmd->cmd_flags & CFLAG_DMAVALID) {
2356 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
2357 (void) ddi_dma_sync(acmd->cmd_dmahandle,
2358 acmd->cmd_dma_offset, acmd->cmd_dma_len,
2359 DDI_DMA_SYNC_FORCPU);
2360 }
2361 }
2362
2363 pkt->pkt_reason = CMD_CMPLT;
2364 pkt->pkt_statistics = 0;
2365 pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET |
2366 STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS;
2367
2368 con_log(CL_ANN, (CE_CONT, " CDB[0] = %x completed for %s: "
2369 "size %lx SMID %x cmd_status %x", pkt->pkt_cdbp[0],
2370 ((acmd->islogical) ? "LD" : "PD"),
2371 acmd->cmd_dmacount, cmd->SMID, status));
2372
2373 if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) {
2374 struct scsi_inquiry *inq;
2375
2376 if (acmd->cmd_dmacount != 0) {
2377 bp_mapin(acmd->cmd_buf);
2378 inq = (struct scsi_inquiry *)
2379 acmd->cmd_buf->b_un.b_addr;
2380
2381 /* don't expose physical drives to OS */
2382 if (acmd->islogical &&
2383 (status == MFI_STAT_OK)) {
2384 display_scsi_inquiry((caddr_t)inq);
2385 } else if ((status == MFI_STAT_OK) &&
2386 inq->inq_dtype == DTYPE_DIRECT) {
2387 display_scsi_inquiry((caddr_t)inq);
2388 } else {
2389 /* for physical disk */
2390 status = MFI_STAT_DEVICE_NOT_FOUND;
2391 }
2392 }
2393 }
2394
2395 switch (status) {
2396 case MFI_STAT_OK:
2397 pkt->pkt_scbp[0] = STATUS_GOOD;
2398 break;
2399 case MFI_STAT_LD_CC_IN_PROGRESS:
2400 case MFI_STAT_LD_RECON_IN_PROGRESS:
2401 pkt->pkt_scbp[0] = STATUS_GOOD;
2402 break;
2403 case MFI_STAT_LD_INIT_IN_PROGRESS:
2404 pkt->pkt_reason = CMD_TRAN_ERR;
2405 break;
2406 case MFI_STAT_SCSI_IO_FAILED:
2407 dev_err(instance->dip, CE_WARN,
2408 "tbolt_complete_cmd: scsi_io failed");
2409 pkt->pkt_reason = CMD_TRAN_ERR;
2410 break;
2411 case MFI_STAT_SCSI_DONE_WITH_ERROR:
2412 con_log(CL_ANN, (CE_WARN,
2413 "tbolt_complete_cmd: scsi_done with error"));
2414
2415 pkt->pkt_reason = CMD_CMPLT;
2416 ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1;
2417
2418 if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) {
2419 con_log(CL_ANN,
2420 (CE_WARN, "TEST_UNIT_READY fail"));
2421 } else {
2422 pkt->pkt_state |= STATE_ARQ_DONE;
2423 arqstat = (void *)(pkt->pkt_scbp);
2424 arqstat->sts_rqpkt_reason = CMD_CMPLT;
2425 arqstat->sts_rqpkt_resid = 0;
2426 arqstat->sts_rqpkt_state |=
2427 STATE_GOT_BUS | STATE_GOT_TARGET
2428 | STATE_SENT_CMD
2429 | STATE_XFERRED_DATA;
2430 *(uint8_t *)&arqstat->sts_rqpkt_status =
2431 STATUS_GOOD;
2432 con_log(CL_ANN1,
2433 (CE_NOTE, "Copying Sense data %x",
2434 cmd->SMID));
2435
2436 ddi_rep_get8(acc_handle,
2437 (uint8_t *)&(arqstat->sts_sensedata),
2438 cmd->sense1,
2439 sizeof (struct scsi_extended_sense),
2440 DDI_DEV_AUTOINCR);
2441
2442 }
2443 break;
2444 case MFI_STAT_LD_OFFLINE:
2445 dev_err(instance->dip, CE_WARN,
2446 "tbolt_complete_cmd: ld offline "
2447 "CDB[0]=0x%x targetId=0x%x devhandle=0x%x",
2448 /* UNDO: */
2449 ddi_get8(acc_handle, &scsi_raid_io->CDB.CDB32[0]),
2450
2451 ddi_get16(acc_handle,
2452 &scsi_raid_io->RaidContext.ldTargetId),
2453
2454 ddi_get16(acc_handle, &scsi_raid_io->DevHandle));
2455
2456 pkt->pkt_reason = CMD_DEV_GONE;
2457 pkt->pkt_statistics = STAT_DISCON;
2458 break;
2459 case MFI_STAT_DEVICE_NOT_FOUND:
2460 con_log(CL_ANN, (CE_CONT,
2461 "tbolt_complete_cmd: device not found error"));
2462 pkt->pkt_reason = CMD_DEV_GONE;
2463 pkt->pkt_statistics = STAT_DISCON;
2464 break;
2465
2466 case MFI_STAT_LD_LBA_OUT_OF_RANGE:
2467 pkt->pkt_state |= STATE_ARQ_DONE;
2468 pkt->pkt_reason = CMD_CMPLT;
2469 ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1;
2470
2471 arqstat = (void *)(pkt->pkt_scbp);
2472 arqstat->sts_rqpkt_reason = CMD_CMPLT;
2473 arqstat->sts_rqpkt_resid = 0;
2474 arqstat->sts_rqpkt_state |= STATE_GOT_BUS
2475 | STATE_GOT_TARGET | STATE_SENT_CMD
2476 | STATE_XFERRED_DATA;
2477 *(uint8_t *)&arqstat->sts_rqpkt_status = STATUS_GOOD;
2478
2479 arqstat->sts_sensedata.es_valid = 1;
2480 arqstat->sts_sensedata.es_key = KEY_ILLEGAL_REQUEST;
2481 arqstat->sts_sensedata.es_class = CLASS_EXTENDED_SENSE;
2482
2483 /*
2484 * LOGICAL BLOCK ADDRESS OUT OF RANGE:
2485 * ASC: 0x21h; ASCQ: 0x00h;
2486 */
2487 arqstat->sts_sensedata.es_add_code = 0x21;
2488 arqstat->sts_sensedata.es_qual_code = 0x00;
2489 break;
2490 case MFI_STAT_INVALID_CMD:
2491 case MFI_STAT_INVALID_DCMD:
2492 case MFI_STAT_INVALID_PARAMETER:
2493 case MFI_STAT_INVALID_SEQUENCE_NUMBER:
2494 default:
2495 dev_err(instance->dip, CE_WARN,
2496 "tbolt_complete_cmd: Unknown status!");
2497 pkt->pkt_reason = CMD_TRAN_ERR;
2498
2499 break;
2500 }
2501
2502 atomic_add_16(&instance->fw_outstanding, (-1));
2503
2504 (void) mrsas_common_check(instance, cmd);
2505 if (acmd->cmd_dmahandle) {
2506 if (mrsas_check_dma_handle(acmd->cmd_dmahandle) !=
2507 DDI_SUCCESS) {
2508 ddi_fm_service_impact(instance->dip,
2509 DDI_SERVICE_UNAFFECTED);
2510 pkt->pkt_reason = CMD_TRAN_ERR;
2511 pkt->pkt_statistics = 0;
2512 }
2513 }
2514
2515 /* Call the callback routine */
2516 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp)
2517 (*pkt->pkt_comp)(pkt);
2518
2519 con_log(CL_ANN1, (CE_NOTE, "Free smid %x", cmd->SMID));
2520
2521 ddi_put8(acc_handle, &scsi_raid_io->RaidContext.status, 0);
2522
2523 ddi_put8(acc_handle, &scsi_raid_io->RaidContext.extStatus, 0);
2524
2525 return_raid_msg_pkt(instance, cmd);
2526 break;
2527 }
2528 case MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /* MFA command. */
2529
2530 if (cmd->frame->dcmd.opcode == MR_DCMD_LD_MAP_GET_INFO &&
2531 cmd->frame->dcmd.mbox.b[1] == 1) {
2532
2533 mutex_enter(&instance->sync_map_mtx);
2534
2535 con_log(CL_ANN, (CE_NOTE,
2536 "LDMAP sync command SMID RECEIVED 0x%X",
2537 cmd->SMID));
2538 if (cmd->frame->hdr.cmd_status != 0) {
2539 dev_err(instance->dip, CE_WARN,
2540 "map sync failed, status = 0x%x.",
2541 cmd->frame->hdr.cmd_status);
2542 } else {
2543 instance->map_id++;
2544 con_log(CL_ANN1, (CE_NOTE,
2545 "map sync received, switched map_id to %"
2546 PRIu64, instance->map_id));
2547 }
2548
2549 if (MR_ValidateMapInfo(
2550 instance->ld_map[instance->map_id & 1],
2551 instance->load_balance_info)) {
2552 instance->fast_path_io = 1;
2553 } else {
2554 instance->fast_path_io = 0;
2555 }
2556
2557 con_log(CL_ANN, (CE_NOTE,
2558 "instance->fast_path_io %d",
2559 instance->fast_path_io));
2560
2561 instance->unroll.syncCmd = 0;
2562
2563 if (instance->map_update_cmd == cmd) {
2564 return_raid_msg_pkt(instance, cmd);
2565 atomic_add_16(&instance->fw_outstanding, (-1));
2566 (void) mrsas_tbolt_sync_map_info(instance);
2567 }
2568
2569 con_log(CL_ANN1, (CE_NOTE,
2570 "LDMAP sync completed, ldcount=%d",
2571 instance->ld_map[instance->map_id & 1]
2572 ->raidMap.ldCount));
2573 mutex_exit(&instance->sync_map_mtx);
2574 break;
2575 }
2576
2577 if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_WAIT) {
2578 con_log(CL_ANN1, (CE_CONT,
2579 "AEN command SMID RECEIVED 0x%X",
2580 cmd->SMID));
2581 if ((instance->aen_cmd == cmd) &&
2582 (instance->aen_cmd->abort_aen)) {
2583 con_log(CL_ANN, (CE_WARN, "mrsas_softintr: "
2584 "aborted_aen returned"));
2585 } else {
2586 atomic_add_16(&instance->fw_outstanding, (-1));
2587 service_mfi_aen(instance, cmd);
2588 }
2589 }
2590
2591 if (cmd->sync_cmd == MRSAS_TRUE) {
2592 con_log(CL_ANN1, (CE_CONT,
2593 "Sync-mode Command Response SMID RECEIVED 0x%X",
2594 cmd->SMID));
2595
2596 tbolt_complete_cmd_in_sync_mode(instance, cmd);
2597 } else {
2598 con_log(CL_ANN, (CE_CONT,
2599 "tbolt_complete_cmd: Wrong SMID RECEIVED 0x%X",
2600 cmd->SMID));
2601 }
2602 break;
2603 default:
2604 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
2605 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
2606
2607 /* free message */
2608 con_log(CL_ANN,
2609 (CE_NOTE, "tbolt_complete_cmd: Unknown Type!!!!!!!!"));
2610 break;
2611 }
2612 }
2613
2614 uint_t
mr_sas_tbolt_process_outstanding_cmd(struct mrsas_instance * instance)2615 mr_sas_tbolt_process_outstanding_cmd(struct mrsas_instance *instance)
2616 {
2617 uint8_t replyType;
2618 Mpi2SCSIIOSuccessReplyDescriptor_t *replyDesc;
2619 Mpi2ReplyDescriptorsUnion_t *desc;
2620 uint16_t smid;
2621 union desc_value d_val;
2622 struct mrsas_cmd *cmd;
2623
2624 struct mrsas_header *hdr;
2625 struct scsi_pkt *pkt;
2626
2627 (void) ddi_dma_sync(instance->reply_desc_dma_obj.dma_handle,
2628 0, 0, DDI_DMA_SYNC_FORDEV);
2629
2630 (void) ddi_dma_sync(instance->reply_desc_dma_obj.dma_handle,
2631 0, 0, DDI_DMA_SYNC_FORCPU);
2632
2633 desc = instance->reply_frame_pool;
2634 desc += instance->reply_read_index;
2635
2636 replyDesc = (MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc;
2637 replyType = replyDesc->ReplyFlags &
2638 MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
2639
2640 if (replyType == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
2641 return (DDI_INTR_UNCLAIMED);
2642
2643 if (mrsas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle)
2644 != DDI_SUCCESS) {
2645 mrsas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE);
2646 ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST);
2647 con_log(CL_ANN1,
2648 (CE_WARN, "mr_sas_tbolt_process_outstanding_cmd(): "
2649 "FMA check, returning DDI_INTR_UNCLAIMED"));
2650 return (DDI_INTR_CLAIMED);
2651 }
2652
2653 con_log(CL_ANN1, (CE_NOTE, "Reply Desc = %p Words = %" PRIx64,
2654 (void *)desc, desc->Words));
2655
2656 d_val.word = desc->Words;
2657
2658
2659 /* Read Reply descriptor */
2660 while ((d_val.u1.low != 0xffffffff) &&
2661 (d_val.u1.high != 0xffffffff)) {
2662
2663 (void) ddi_dma_sync(instance->reply_desc_dma_obj.dma_handle,
2664 0, 0, DDI_DMA_SYNC_FORCPU);
2665
2666 smid = replyDesc->SMID;
2667
2668 if (!smid || smid > instance->max_fw_cmds + 1) {
2669 con_log(CL_ANN1, (CE_NOTE,
2670 "Reply Desc at Break = %p Words = %" PRIx64,
2671 (void *)desc, desc->Words));
2672 break;
2673 }
2674
2675 cmd = instance->cmd_list[smid - 1];
2676 if (!cmd) {
2677 con_log(CL_ANN1, (CE_NOTE, "mr_sas_tbolt_process_"
2678 "outstanding_cmd: Invalid command "
2679 " or Poll commad Received in completion path"));
2680 } else {
2681 mutex_enter(&instance->cmd_pend_mtx);
2682 if (cmd->sync_cmd == MRSAS_TRUE) {
2683 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2684 if (hdr) {
2685 con_log(CL_ANN1, (CE_NOTE, "mr_sas_"
2686 "tbolt_process_outstanding_cmd:"
2687 " mlist_del_init(&cmd->list)."));
2688 mlist_del_init(&cmd->list);
2689 }
2690 } else {
2691 pkt = cmd->pkt;
2692 if (pkt) {
2693 con_log(CL_ANN1, (CE_NOTE, "mr_sas_"
2694 "tbolt_process_outstanding_cmd:"
2695 "mlist_del_init(&cmd->list)."));
2696 mlist_del_init(&cmd->list);
2697 }
2698 }
2699
2700 mutex_exit(&instance->cmd_pend_mtx);
2701
2702 tbolt_complete_cmd(instance, cmd);
2703 }
2704 /* set it back to all 1s. */
2705 desc->Words = -1LL;
2706
2707 instance->reply_read_index++;
2708
2709 if (instance->reply_read_index >= (instance->reply_q_depth)) {
2710 con_log(CL_ANN1, (CE_NOTE, "wrap around"));
2711 instance->reply_read_index = 0;
2712 }
2713
2714 /* Get the next reply descriptor */
2715 if (!instance->reply_read_index)
2716 desc = instance->reply_frame_pool;
2717 else
2718 desc++;
2719
2720 replyDesc = (MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc;
2721
2722 d_val.word = desc->Words;
2723
2724 con_log(CL_ANN1, (CE_NOTE,
2725 "Next Reply Desc = %p Words = %" PRIx64,
2726 (void *)desc, desc->Words));
2727
2728 replyType = replyDesc->ReplyFlags &
2729 MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
2730
2731 if (replyType == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
2732 break;
2733
2734 } /* End of while loop. */
2735
2736 /* update replyIndex to FW */
2737 WR_MPI2_REPLY_POST_INDEX(instance->reply_read_index, instance);
2738
2739
2740 (void) ddi_dma_sync(instance->reply_desc_dma_obj.dma_handle,
2741 0, 0, DDI_DMA_SYNC_FORDEV);
2742
2743 (void) ddi_dma_sync(instance->reply_desc_dma_obj.dma_handle,
2744 0, 0, DDI_DMA_SYNC_FORCPU);
2745 return (DDI_INTR_CLAIMED);
2746 }
2747
2748
2749
2750
2751 /*
2752 * complete_cmd_in_sync_mode - Completes an internal command
2753 * @instance: Adapter soft state
2754 * @cmd: Command to be completed
2755 *
2756 * The issue_cmd_in_sync_mode() function waits for a command to complete
2757 * after it issues a command. This function wakes up that waiting routine by
2758 * calling wake_up() on the wait queue.
2759 */
2760 void
tbolt_complete_cmd_in_sync_mode(struct mrsas_instance * instance,struct mrsas_cmd * cmd)2761 tbolt_complete_cmd_in_sync_mode(struct mrsas_instance *instance,
2762 struct mrsas_cmd *cmd)
2763 {
2764
2765 cmd->cmd_status = ddi_get8(cmd->frame_dma_obj.acc_handle,
2766 &cmd->frame->io.cmd_status);
2767
2768 cmd->sync_cmd = MRSAS_FALSE;
2769
2770 mutex_enter(&instance->int_cmd_mtx);
2771 if (cmd->cmd_status == ENODATA) {
2772 cmd->cmd_status = 0;
2773 }
2774 cv_broadcast(&instance->int_cmd_cv);
2775 mutex_exit(&instance->int_cmd_mtx);
2776
2777 }
2778
2779 /*
2780 * mrsas_tbolt_get_ld_map_info - Returns ld_map structure
2781 * instance: Adapter soft state
2782 *
2783 * Issues an internal command (DCMD) to get the FW's controller PD
2784 * list structure. This information is mainly used to find out SYSTEM
2785 * supported by the FW.
2786 */
2787 int
mrsas_tbolt_get_ld_map_info(struct mrsas_instance * instance)2788 mrsas_tbolt_get_ld_map_info(struct mrsas_instance *instance)
2789 {
2790 int ret = 0;
2791 struct mrsas_cmd *cmd = NULL;
2792 struct mrsas_dcmd_frame *dcmd;
2793 MR_FW_RAID_MAP_ALL *ci;
2794 uint32_t ci_h = 0;
2795 U32 size_map_info;
2796
2797 cmd = get_raid_msg_pkt(instance);
2798
2799 if (cmd == NULL) {
2800 dev_err(instance->dip, CE_WARN,
2801 "Failed to get a cmd from free-pool in get_ld_map_info()");
2802 return (DDI_FAILURE);
2803 }
2804
2805 dcmd = &cmd->frame->dcmd;
2806
2807 size_map_info = sizeof (MR_FW_RAID_MAP) +
2808 (sizeof (MR_LD_SPAN_MAP) *
2809 (MAX_LOGICAL_DRIVES - 1));
2810
2811 con_log(CL_ANN, (CE_NOTE,
2812 "size_map_info : 0x%x", size_map_info));
2813
2814 ci = instance->ld_map[instance->map_id & 1];
2815 ci_h = instance->ld_map_phy[instance->map_id & 1];
2816
2817 if (!ci) {
2818 dev_err(instance->dip, CE_WARN,
2819 "Failed to alloc mem for ld_map_info");
2820 return_raid_msg_pkt(instance, cmd);
2821 return (-1);
2822 }
2823
2824 bzero(ci, sizeof (*ci));
2825 bzero(dcmd->mbox.b, DCMD_MBOX_SZ);
2826
2827 dcmd->cmd = MFI_CMD_OP_DCMD;
2828 dcmd->cmd_status = 0xFF;
2829 dcmd->sge_count = 1;
2830 dcmd->flags = MFI_FRAME_DIR_READ;
2831 dcmd->timeout = 0;
2832 dcmd->pad_0 = 0;
2833 dcmd->data_xfer_len = size_map_info;
2834 dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
2835 dcmd->sgl.sge32[0].phys_addr = ci_h;
2836 dcmd->sgl.sge32[0].length = size_map_info;
2837
2838
2839 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
2840
2841 if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
2842 ret = 0;
2843 con_log(CL_ANN1, (CE_NOTE, "Get LD Map Info success"));
2844 } else {
2845 dev_err(instance->dip, CE_WARN, "Get LD Map Info failed");
2846 ret = -1;
2847 }
2848
2849 return_raid_msg_pkt(instance, cmd);
2850
2851 return (ret);
2852 }
2853
2854 void
mrsas_dump_reply_desc(struct mrsas_instance * instance)2855 mrsas_dump_reply_desc(struct mrsas_instance *instance)
2856 {
2857 uint32_t i;
2858 MPI2_REPLY_DESCRIPTORS_UNION *reply_desc;
2859 union desc_value d_val;
2860
2861 reply_desc = instance->reply_frame_pool;
2862
2863 for (i = 0; i < instance->reply_q_depth; i++, reply_desc++) {
2864 d_val.word = reply_desc->Words;
2865 con_log(CL_DLEVEL3, (CE_NOTE,
2866 "i=%d, %x:%x",
2867 i, d_val.u1.high, d_val.u1.low));
2868 }
2869 }
2870
2871 /*
2872 * mrsas_tbolt_command_create - Create command for fast path.
2873 * @io_info: MegaRAID IO request packet pointer.
2874 * @ref_tag: Reference tag for RD/WRPROTECT
2875 *
2876 * Create the command for fast path.
2877 */
2878 void
mrsas_tbolt_prepare_cdb(struct mrsas_instance * instance,U8 cdb[],struct IO_REQUEST_INFO * io_info,Mpi2RaidSCSIIORequest_t * scsi_io_request,U32 ref_tag)2879 mrsas_tbolt_prepare_cdb(struct mrsas_instance *instance, U8 cdb[],
2880 struct IO_REQUEST_INFO *io_info, Mpi2RaidSCSIIORequest_t *scsi_io_request,
2881 U32 ref_tag)
2882 {
2883 uint16_t EEDPFlags;
2884 uint32_t Control;
2885 ddi_acc_handle_t acc_handle =
2886 instance->mpi2_frame_pool_dma_obj.acc_handle;
2887
2888 /* Prepare 32-byte CDB if DIF is supported on this device */
2889 con_log(CL_ANN, (CE_NOTE, "Prepare DIF CDB"));
2890
2891 bzero(cdb, 32);
2892
2893 cdb[0] = MRSAS_SCSI_VARIABLE_LENGTH_CMD;
2894
2895
2896 cdb[7] = MRSAS_SCSI_ADDL_CDB_LEN;
2897
2898 if (io_info->isRead)
2899 cdb[9] = MRSAS_SCSI_SERVICE_ACTION_READ32;
2900 else
2901 cdb[9] = MRSAS_SCSI_SERVICE_ACTION_WRITE32;
2902
2903 /* Verify within linux driver, set to MEGASAS_RD_WR_PROTECT_CHECK_ALL */
2904 cdb[10] = MRSAS_RD_WR_PROTECT;
2905
2906 /* LOGICAL BLOCK ADDRESS */
2907 cdb[12] = (U8)(((io_info->pdBlock) >> 56) & 0xff);
2908 cdb[13] = (U8)(((io_info->pdBlock) >> 48) & 0xff);
2909 cdb[14] = (U8)(((io_info->pdBlock) >> 40) & 0xff);
2910 cdb[15] = (U8)(((io_info->pdBlock) >> 32) & 0xff);
2911 cdb[16] = (U8)(((io_info->pdBlock) >> 24) & 0xff);
2912 cdb[17] = (U8)(((io_info->pdBlock) >> 16) & 0xff);
2913 cdb[18] = (U8)(((io_info->pdBlock) >> 8) & 0xff);
2914 cdb[19] = (U8)((io_info->pdBlock) & 0xff);
2915
2916 /* Logical block reference tag */
2917 ddi_put32(acc_handle, &scsi_io_request->CDB.EEDP32.PrimaryReferenceTag,
2918 BE_32(ref_tag));
2919
2920 ddi_put16(acc_handle,
2921 &scsi_io_request->CDB.EEDP32.PrimaryApplicationTagMask, 0xffff);
2922
2923 ddi_put32(acc_handle, &scsi_io_request->DataLength,
2924 ((io_info->numBlocks)*512));
2925 /* Specify 32-byte cdb */
2926 ddi_put16(acc_handle, &scsi_io_request->IoFlags, 32);
2927
2928 /* Transfer length */
2929 cdb[28] = (U8)(((io_info->numBlocks) >> 24) & 0xff);
2930 cdb[29] = (U8)(((io_info->numBlocks) >> 16) & 0xff);
2931 cdb[30] = (U8)(((io_info->numBlocks) >> 8) & 0xff);
2932 cdb[31] = (U8)((io_info->numBlocks) & 0xff);
2933
2934 /* set SCSI IO EEDPFlags */
2935 EEDPFlags = ddi_get16(acc_handle, &scsi_io_request->EEDPFlags);
2936 Control = ddi_get32(acc_handle, &scsi_io_request->Control);
2937
2938 /* set SCSI IO EEDPFlags bits */
2939 if (io_info->isRead) {
2940 /*
2941 * For READ commands, the EEDPFlags shall be set to specify to
2942 * Increment the Primary Reference Tag, to Check the Reference
2943 * Tag, and to Check and Remove the Protection Information
2944 * fields.
2945 */
2946 EEDPFlags = MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
2947 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
2948 MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP |
2949 MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG |
2950 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
2951 } else {
2952 /*
2953 * For WRITE commands, the EEDPFlags shall be set to specify to
2954 * Increment the Primary Reference Tag, and to Insert
2955 * Protection Information fields.
2956 */
2957 EEDPFlags = MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
2958 MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
2959 }
2960 Control |= (0x4 << 26);
2961
2962 ddi_put16(acc_handle, &scsi_io_request->EEDPFlags, EEDPFlags);
2963 ddi_put32(acc_handle, &scsi_io_request->Control, Control);
2964 ddi_put32(acc_handle,
2965 &scsi_io_request->EEDPBlockSize, MRSAS_EEDPBLOCKSIZE);
2966 }
2967
2968
2969 /*
2970 * mrsas_tbolt_set_pd_lba - Sets PD LBA
2971 * @cdb: CDB
2972 * @cdb_size: CDB size
2973 * @cdb_len_ptr: cdb length
2974 * @start_blk: Start block of IO
2975 * @num_blocks: Number of blocks
2976 *
2977 * Used to set the PD LBA in CDB for FP IOs
2978 */
2979 static void
mrsas_tbolt_set_pd_lba(U8 * cdb,size_t cdb_size,uint8_t * cdb_len_ptr,U64 start_blk,U32 num_blocks)2980 mrsas_tbolt_set_pd_lba(U8 *cdb, size_t cdb_size, uint8_t *cdb_len_ptr,
2981 U64 start_blk, U32 num_blocks)
2982 {
2983 U8 cdb_len = *cdb_len_ptr;
2984 U8 flagvals = 0, opcode = 0, groupnum = 0, control = 0;
2985
2986 /* Some drives don't support 16/12 byte CDB's, convert to 10 */
2987 if (((cdb_len == 12) || (cdb_len == 16)) &&
2988 (start_blk <= 0xffffffff)) {
2989 if (cdb_len == 16) {
2990 con_log(CL_ANN,
2991 (CE_NOTE, "Converting READ/WRITE(16) to READ10"));
2992 opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10;
2993 flagvals = cdb[1];
2994 groupnum = cdb[14];
2995 control = cdb[15];
2996 } else {
2997 con_log(CL_ANN,
2998 (CE_NOTE, "Converting READ/WRITE(12) to READ10"));
2999 opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10;
3000 flagvals = cdb[1];
3001 groupnum = cdb[10];
3002 control = cdb[11];
3003 }
3004
3005 bzero(cdb, cdb_size);
3006
3007 cdb[0] = opcode;
3008 cdb[1] = flagvals;
3009 cdb[6] = groupnum;
3010 cdb[9] = control;
3011 /* Set transfer length */
3012 cdb[8] = (U8)(num_blocks & 0xff);
3013 cdb[7] = (U8)((num_blocks >> 8) & 0xff);
3014 cdb_len = 10;
3015 } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) {
3016 /* Convert to 16 byte CDB for large LBA's */
3017 con_log(CL_ANN,
3018 (CE_NOTE, "Converting 6/10/12 CDB to 16 byte CDB"));
3019 switch (cdb_len) {
3020 case 6:
3021 opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16;
3022 control = cdb[5];
3023 break;
3024 case 10:
3025 opcode = cdb[0] == READ_10 ? READ_16 : WRITE_16;
3026 flagvals = cdb[1];
3027 groupnum = cdb[6];
3028 control = cdb[9];
3029 break;
3030 case 12:
3031 opcode = cdb[0] == READ_12 ? READ_16 : WRITE_16;
3032 flagvals = cdb[1];
3033 groupnum = cdb[10];
3034 control = cdb[11];
3035 break;
3036 }
3037
3038 bzero(cdb, cdb_size);
3039
3040 cdb[0] = opcode;
3041 cdb[1] = flagvals;
3042 cdb[14] = groupnum;
3043 cdb[15] = control;
3044
3045 /* Transfer length */
3046 cdb[13] = (U8)(num_blocks & 0xff);
3047 cdb[12] = (U8)((num_blocks >> 8) & 0xff);
3048 cdb[11] = (U8)((num_blocks >> 16) & 0xff);
3049 cdb[10] = (U8)((num_blocks >> 24) & 0xff);
3050
3051 /* Specify 16-byte cdb */
3052 cdb_len = 16;
3053 } else if ((cdb_len == 6) && (start_blk > 0x1fffff)) {
3054 /* convert to 10 byte CDB */
3055 opcode = cdb[0] == READ_6 ? READ_10 : WRITE_10;
3056 control = cdb[5];
3057
3058 bzero(cdb, cdb_size);
3059 cdb[0] = opcode;
3060 cdb[9] = control;
3061
3062 /* Set transfer length */
3063 cdb[8] = (U8)(num_blocks & 0xff);
3064 cdb[7] = (U8)((num_blocks >> 8) & 0xff);
3065
3066 /* Specify 10-byte cdb */
3067 cdb_len = 10;
3068 }
3069
3070
3071 /* Fall through Normal case, just load LBA here */
3072 switch (cdb_len) {
3073 case 6:
3074 {
3075 U8 val = cdb[1] & 0xE0;
3076 cdb[3] = (U8)(start_blk & 0xff);
3077 cdb[2] = (U8)((start_blk >> 8) & 0xff);
3078 cdb[1] = val | ((U8)(start_blk >> 16) & 0x1f);
3079 break;
3080 }
3081 case 10:
3082 cdb[5] = (U8)(start_blk & 0xff);
3083 cdb[4] = (U8)((start_blk >> 8) & 0xff);
3084 cdb[3] = (U8)((start_blk >> 16) & 0xff);
3085 cdb[2] = (U8)((start_blk >> 24) & 0xff);
3086 break;
3087 case 12:
3088 cdb[5] = (U8)(start_blk & 0xff);
3089 cdb[4] = (U8)((start_blk >> 8) & 0xff);
3090 cdb[3] = (U8)((start_blk >> 16) & 0xff);
3091 cdb[2] = (U8)((start_blk >> 24) & 0xff);
3092 break;
3093
3094 case 16:
3095 cdb[9] = (U8)(start_blk & 0xff);
3096 cdb[8] = (U8)((start_blk >> 8) & 0xff);
3097 cdb[7] = (U8)((start_blk >> 16) & 0xff);
3098 cdb[6] = (U8)((start_blk >> 24) & 0xff);
3099 cdb[5] = (U8)((start_blk >> 32) & 0xff);
3100 cdb[4] = (U8)((start_blk >> 40) & 0xff);
3101 cdb[3] = (U8)((start_blk >> 48) & 0xff);
3102 cdb[2] = (U8)((start_blk >> 56) & 0xff);
3103 break;
3104 }
3105
3106 *cdb_len_ptr = cdb_len;
3107 }
3108
3109
3110 static int
mrsas_tbolt_check_map_info(struct mrsas_instance * instance)3111 mrsas_tbolt_check_map_info(struct mrsas_instance *instance)
3112 {
3113 MR_FW_RAID_MAP_ALL *ld_map;
3114
3115 if (!mrsas_tbolt_get_ld_map_info(instance)) {
3116
3117 ld_map = instance->ld_map[instance->map_id & 1];
3118
3119 con_log(CL_ANN1, (CE_NOTE, "ldCount=%d, map size=%d",
3120 ld_map->raidMap.ldCount, ld_map->raidMap.totalSize));
3121
3122 if (MR_ValidateMapInfo(
3123 instance->ld_map[instance->map_id & 1],
3124 instance->load_balance_info)) {
3125 con_log(CL_ANN,
3126 (CE_CONT, "MR_ValidateMapInfo success"));
3127
3128 instance->fast_path_io = 1;
3129 con_log(CL_ANN,
3130 (CE_NOTE, "instance->fast_path_io %d",
3131 instance->fast_path_io));
3132
3133 return (DDI_SUCCESS);
3134 }
3135
3136 }
3137
3138 instance->fast_path_io = 0;
3139 dev_err(instance->dip, CE_WARN, "MR_ValidateMapInfo failed");
3140 con_log(CL_ANN, (CE_NOTE,
3141 "instance->fast_path_io %d", instance->fast_path_io));
3142
3143 return (DDI_FAILURE);
3144 }
3145
3146 /*
3147 * Marks HBA as bad. This will be called either when an
3148 * IO packet times out even after 3 FW resets
3149 * or FW is found to be fault even after 3 continuous resets.
3150 */
3151
3152 void
mrsas_tbolt_kill_adapter(struct mrsas_instance * instance)3153 mrsas_tbolt_kill_adapter(struct mrsas_instance *instance)
3154 {
3155 dev_err(instance->dip, CE_NOTE, "TBOLT Kill adapter called");
3156
3157 if (instance->deadadapter == 1)
3158 return;
3159
3160 con_log(CL_ANN1, (CE_NOTE, "tbolt_kill_adapter: "
3161 "Writing to doorbell with MFI_STOP_ADP "));
3162 mutex_enter(&instance->ocr_flags_mtx);
3163 instance->deadadapter = 1;
3164 mutex_exit(&instance->ocr_flags_mtx);
3165 instance->func_ptr->disable_intr(instance);
3166 WR_RESERVED0_REGISTER(MFI_STOP_ADP, instance);
3167 /* Flush */
3168 (void) RD_RESERVED0_REGISTER(instance);
3169
3170 (void) mrsas_print_pending_cmds(instance);
3171 (void) mrsas_complete_pending_cmds(instance);
3172 }
3173
3174 void
mrsas_reset_reply_desc(struct mrsas_instance * instance)3175 mrsas_reset_reply_desc(struct mrsas_instance *instance)
3176 {
3177 int i;
3178 MPI2_REPLY_DESCRIPTORS_UNION *reply_desc;
3179 instance->reply_read_index = 0;
3180
3181 /* initializing reply address to 0xFFFFFFFF */
3182 reply_desc = instance->reply_frame_pool;
3183
3184 for (i = 0; i < instance->reply_q_depth; i++) {
3185 reply_desc->Words = (uint64_t)~0;
3186 reply_desc++;
3187 }
3188 }
3189
3190 int
mrsas_tbolt_reset_ppc(struct mrsas_instance * instance)3191 mrsas_tbolt_reset_ppc(struct mrsas_instance *instance)
3192 {
3193 uint32_t status = 0x00;
3194 uint32_t retry = 0;
3195 uint32_t cur_abs_reg_val;
3196 uint32_t fw_state;
3197 uint32_t abs_state;
3198 uint32_t i;
3199
3200 if (instance->deadadapter == 1) {
3201 dev_err(instance->dip, CE_WARN, "mrsas_tbolt_reset_ppc: "
3202 "no more resets as HBA has been marked dead");
3203 return (DDI_FAILURE);
3204 }
3205
3206 mutex_enter(&instance->ocr_flags_mtx);
3207 instance->adapterresetinprogress = 1;
3208 mutex_exit(&instance->ocr_flags_mtx);
3209
3210 instance->func_ptr->disable_intr(instance);
3211
3212 /* Add delay in order to complete the ioctl & io cmds in-flight */
3213 for (i = 0; i < 3000; i++)
3214 drv_usecwait(MILLISEC); /* wait for 1000 usecs */
3215
3216 instance->reply_read_index = 0;
3217
3218 retry_reset:
3219 con_log(CL_ANN, (CE_NOTE, "mrsas_tbolt_reset_ppc: Resetting TBOLT"));
3220
3221 /* Flush */
3222 WR_TBOLT_IB_WRITE_SEQ(0x0, instance);
3223 /* Write magic number */
3224 WR_TBOLT_IB_WRITE_SEQ(0xF, instance);
3225 WR_TBOLT_IB_WRITE_SEQ(0x4, instance);
3226 WR_TBOLT_IB_WRITE_SEQ(0xb, instance);
3227 WR_TBOLT_IB_WRITE_SEQ(0x2, instance);
3228 WR_TBOLT_IB_WRITE_SEQ(0x7, instance);
3229 WR_TBOLT_IB_WRITE_SEQ(0xd, instance);
3230
3231 con_log(CL_ANN1, (CE_NOTE,
3232 "mrsas_tbolt_reset_ppc: magic number written "
3233 "to write sequence register"));
3234
3235 /* Wait for the diag write enable (DRWE) bit to be set */
3236 retry = 0;
3237 status = RD_TBOLT_HOST_DIAG(instance);
3238 while (!(status & DIAG_WRITE_ENABLE)) {
3239 delay(100 * drv_usectohz(MILLISEC));
3240 status = RD_TBOLT_HOST_DIAG(instance);
3241 if (retry++ >= 100) {
3242 dev_err(instance->dip, CE_WARN,
3243 "%s(): timeout waiting for DRWE.", __func__);
3244 return (DDI_FAILURE);
3245 }
3246 }
3247
3248 /* Send reset command */
3249 WR_TBOLT_HOST_DIAG(status | DIAG_TBOLT_RESET_ADAPTER, instance);
3250 delay(100 * drv_usectohz(MILLISEC));
3251
3252 /* Wait for reset bit to clear */
3253 retry = 0;
3254 status = RD_TBOLT_HOST_DIAG(instance);
3255 while ((status & DIAG_TBOLT_RESET_ADAPTER)) {
3256 delay(100 * drv_usectohz(MILLISEC));
3257 status = RD_TBOLT_HOST_DIAG(instance);
3258 if (retry++ == 100) {
3259 /* Dont call kill adapter here */
3260 /* RESET BIT ADAPTER is cleared by firmare */
3261 /* mrsas_tbolt_kill_adapter(instance); */
3262 dev_err(instance->dip, CE_WARN,
3263 "%s(): RESET FAILED; return failure!!!", __func__);
3264 return (DDI_FAILURE);
3265 }
3266 }
3267
3268 con_log(CL_ANN,
3269 (CE_NOTE, "mrsas_tbolt_reset_ppc: Adapter reset complete"));
3270
3271 abs_state = instance->func_ptr->read_fw_status_reg(instance);
3272 retry = 0;
3273 while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) {
3274 delay(100 * drv_usectohz(MILLISEC));
3275 abs_state = instance->func_ptr->read_fw_status_reg(instance);
3276 }
3277 if (abs_state <= MFI_STATE_FW_INIT) {
3278 dev_err(instance->dip, CE_WARN,
3279 "mrsas_tbolt_reset_ppc: firmware state < MFI_STATE_FW_INIT"
3280 "state = 0x%x, RETRY RESET.", abs_state);
3281 goto retry_reset;
3282 }
3283
3284 /* Mark HBA as bad, if FW is fault after 3 continuous resets */
3285 if (mfi_state_transition_to_ready(instance) ||
3286 mrsas_debug_tbolt_fw_faults_after_ocr == 1) {
3287 cur_abs_reg_val =
3288 instance->func_ptr->read_fw_status_reg(instance);
3289 fw_state = cur_abs_reg_val & MFI_STATE_MASK;
3290
3291 con_log(CL_ANN1, (CE_NOTE,
3292 "mrsas_tbolt_reset_ppc :before fake: FW is not ready "
3293 "FW state = 0x%x", fw_state));
3294 if (mrsas_debug_tbolt_fw_faults_after_ocr == 1)
3295 fw_state = MFI_STATE_FAULT;
3296
3297 con_log(CL_ANN,
3298 (CE_NOTE, "mrsas_tbolt_reset_ppc : FW is not ready "
3299 "FW state = 0x%x", fw_state));
3300
3301 if (fw_state == MFI_STATE_FAULT) {
3302 /* increment the count */
3303 instance->fw_fault_count_after_ocr++;
3304 if (instance->fw_fault_count_after_ocr
3305 < MAX_FW_RESET_COUNT) {
3306 dev_err(instance->dip, CE_WARN,
3307 "mrsas_tbolt_reset_ppc: "
3308 "FW is in fault after OCR count %d "
3309 "Retry Reset",
3310 instance->fw_fault_count_after_ocr);
3311 goto retry_reset;
3312
3313 } else {
3314 dev_err(instance->dip, CE_WARN, "%s:"
3315 "Max Reset Count exceeded >%d"
3316 "Mark HBA as bad, KILL adapter",
3317 __func__, MAX_FW_RESET_COUNT);
3318
3319 mrsas_tbolt_kill_adapter(instance);
3320 return (DDI_FAILURE);
3321 }
3322 }
3323 }
3324
3325 /* reset the counter as FW is up after OCR */
3326 instance->fw_fault_count_after_ocr = 0;
3327
3328 mrsas_reset_reply_desc(instance);
3329
3330 abs_state = mrsas_issue_init_mpi2(instance);
3331 if (abs_state == (uint32_t)DDI_FAILURE) {
3332 dev_err(instance->dip, CE_WARN, "mrsas_tbolt_reset_ppc: "
3333 "INIT failed Retrying Reset");
3334 goto retry_reset;
3335 }
3336
3337 (void) mrsas_print_pending_cmds(instance);
3338
3339 instance->func_ptr->enable_intr(instance);
3340 instance->fw_outstanding = 0;
3341
3342 (void) mrsas_issue_pending_cmds(instance);
3343
3344 instance->aen_cmd->retry_count_for_ocr = 0;
3345 instance->aen_cmd->drv_pkt_time = 0;
3346
3347 instance->func_ptr->issue_cmd(instance->aen_cmd, instance);
3348
3349 mutex_enter(&instance->ocr_flags_mtx);
3350 instance->adapterresetinprogress = 0;
3351 mutex_exit(&instance->ocr_flags_mtx);
3352
3353 dev_err(instance->dip, CE_NOTE, "TBOLT adapter reset successfully");
3354
3355 return (DDI_SUCCESS);
3356 }
3357
3358 /*
3359 * mrsas_sync_map_info - Returns FW's ld_map structure
3360 * @instance: Adapter soft state
3361 *
3362 * Issues an internal command (DCMD) to get the FW's controller PD
3363 * list structure. This information is mainly used to find out SYSTEM
3364 * supported by the FW.
3365 */
3366
3367 static int
mrsas_tbolt_sync_map_info(struct mrsas_instance * instance)3368 mrsas_tbolt_sync_map_info(struct mrsas_instance *instance)
3369 {
3370 int ret = 0, i;
3371 struct mrsas_cmd *cmd = NULL;
3372 struct mrsas_dcmd_frame *dcmd;
3373 uint32_t size_sync_info, num_lds;
3374 LD_TARGET_SYNC *ci = NULL;
3375 MR_FW_RAID_MAP_ALL *map;
3376 MR_LD_RAID *raid;
3377 LD_TARGET_SYNC *ld_sync;
3378 uint32_t ci_h = 0;
3379 uint32_t size_map_info;
3380
3381 cmd = get_raid_msg_pkt(instance);
3382
3383 if (cmd == NULL) {
3384 dev_err(instance->dip, CE_WARN,
3385 "Failed to get a cmd from free-pool in "
3386 "mrsas_tbolt_sync_map_info().");
3387 return (DDI_FAILURE);
3388 }
3389
3390 /* Clear the frame buffer and assign back the context id */
3391 bzero((char *)&cmd->frame[0], sizeof (union mrsas_frame));
3392 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3393 cmd->index);
3394 bzero(cmd->scsi_io_request, sizeof (Mpi2RaidSCSIIORequest_t));
3395
3396
3397 map = instance->ld_map[instance->map_id & 1];
3398
3399 num_lds = map->raidMap.ldCount;
3400
3401 dcmd = &cmd->frame->dcmd;
3402
3403 size_sync_info = sizeof (LD_TARGET_SYNC) * num_lds;
3404
3405 con_log(CL_ANN, (CE_NOTE, "size_sync_info =0x%x ; ld count = 0x%x",
3406 size_sync_info, num_lds));
3407
3408 ci = (LD_TARGET_SYNC *)instance->ld_map[(instance->map_id - 1) & 1];
3409
3410 bzero(ci, sizeof (MR_FW_RAID_MAP_ALL));
3411 ci_h = instance->ld_map_phy[(instance->map_id - 1) & 1];
3412
3413 bzero(dcmd->mbox.b, DCMD_MBOX_SZ);
3414
3415 ld_sync = (LD_TARGET_SYNC *)ci;
3416
3417 for (i = 0; i < num_lds; i++, ld_sync++) {
3418 raid = MR_LdRaidGet(i, map);
3419
3420 con_log(CL_ANN1,
3421 (CE_NOTE, "i : 0x%x, Seq Num : 0x%x, Sync Reqd : 0x%x",
3422 i, raid->seqNum, raid->flags.ldSyncRequired));
3423
3424 ld_sync->ldTargetId = MR_GetLDTgtId(i, map);
3425
3426 con_log(CL_ANN1, (CE_NOTE, "i : 0x%x, tgt : 0x%x",
3427 i, ld_sync->ldTargetId));
3428
3429 ld_sync->seqNum = raid->seqNum;
3430 }
3431
3432
3433 size_map_info = sizeof (MR_FW_RAID_MAP) +
3434 (sizeof (MR_LD_SPAN_MAP) * (MAX_LOGICAL_DRIVES - 1));
3435
3436 dcmd->cmd = MFI_CMD_OP_DCMD;
3437 dcmd->cmd_status = 0xFF;
3438 dcmd->sge_count = 1;
3439 dcmd->flags = MFI_FRAME_DIR_WRITE;
3440 dcmd->timeout = 0;
3441 dcmd->pad_0 = 0;
3442 dcmd->data_xfer_len = size_map_info;
3443 ASSERT(num_lds <= 255);
3444 dcmd->mbox.b[0] = (U8)num_lds;
3445 dcmd->mbox.b[1] = 1; /* Pend */
3446 dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
3447 dcmd->sgl.sge32[0].phys_addr = ci_h;
3448 dcmd->sgl.sge32[0].length = size_map_info;
3449
3450
3451 instance->map_update_cmd = cmd;
3452 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3453
3454 instance->func_ptr->issue_cmd(cmd, instance);
3455
3456 instance->unroll.syncCmd = 1;
3457 con_log(CL_ANN1, (CE_NOTE, "sync cmd issued. [SMID]:%x", cmd->SMID));
3458
3459 return (ret);
3460 }
3461
3462 /*
3463 * abort_syncmap_cmd
3464 */
3465 int
abort_syncmap_cmd(struct mrsas_instance * instance,struct mrsas_cmd * cmd_to_abort)3466 abort_syncmap_cmd(struct mrsas_instance *instance,
3467 struct mrsas_cmd *cmd_to_abort)
3468 {
3469 int ret = 0;
3470
3471 struct mrsas_cmd *cmd;
3472 struct mrsas_abort_frame *abort_fr;
3473
3474 con_log(CL_ANN1, (CE_NOTE, "chkpnt: abort_ldsync:%d", __LINE__));
3475
3476 cmd = get_raid_msg_mfi_pkt(instance);
3477
3478 if (!cmd) {
3479 dev_err(instance->dip, CE_WARN,
3480 "Failed to get a cmd from free-pool abort_syncmap_cmd().");
3481 return (DDI_FAILURE);
3482 }
3483 /* Clear the frame buffer and assign back the context id */
3484 bzero((char *)&cmd->frame[0], sizeof (union mrsas_frame));
3485 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3486 cmd->index);
3487
3488 abort_fr = &cmd->frame->abort;
3489
3490 /* prepare and issue the abort frame */
3491 ddi_put8(cmd->frame_dma_obj.acc_handle,
3492 &abort_fr->cmd, MFI_CMD_OP_ABORT);
3493 ddi_put8(cmd->frame_dma_obj.acc_handle, &abort_fr->cmd_status,
3494 MFI_CMD_STATUS_SYNC_MODE);
3495 ddi_put16(cmd->frame_dma_obj.acc_handle, &abort_fr->flags, 0);
3496 ddi_put32(cmd->frame_dma_obj.acc_handle, &abort_fr->abort_context,
3497 cmd_to_abort->index);
3498 ddi_put32(cmd->frame_dma_obj.acc_handle,
3499 &abort_fr->abort_mfi_phys_addr_lo, cmd_to_abort->frame_phys_addr);
3500 ddi_put32(cmd->frame_dma_obj.acc_handle,
3501 &abort_fr->abort_mfi_phys_addr_hi, 0);
3502
3503 cmd->frame_count = 1;
3504
3505 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3506
3507 if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3508 con_log(CL_ANN1, (CE_WARN,
3509 "abort_ldsync_cmd: issue_cmd_in_poll_mode failed"));
3510 ret = -1;
3511 } else {
3512 ret = 0;
3513 }
3514
3515 return_raid_msg_mfi_pkt(instance, cmd);
3516
3517 atomic_add_16(&instance->fw_outstanding, (-1));
3518
3519 return (ret);
3520 }
3521
3522 /*
3523 * Even though these functions were originally intended for 2208 only, it
3524 * turns out they're useful for "Skinny" support as well. In a perfect world,
3525 * these two functions would be either in mr_sas.c, or in their own new source
3526 * file. Since this driver needs some cleanup anyway, keep this portion in
3527 * mind as well.
3528 */
3529
3530 int
mrsas_tbolt_config_pd(struct mrsas_instance * instance,uint16_t tgt,uint8_t lun,dev_info_t ** ldip)3531 mrsas_tbolt_config_pd(struct mrsas_instance *instance, uint16_t tgt,
3532 uint8_t lun, dev_info_t **ldip)
3533 {
3534 struct scsi_device *sd;
3535 dev_info_t *child;
3536 int rval, dtype;
3537 struct mrsas_tbolt_pd_info *pds = NULL;
3538
3539 con_log(CL_ANN1, (CE_NOTE, "mrsas_tbolt_config_pd: t = %d l = %d",
3540 tgt, lun));
3541
3542 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) {
3543 if (ldip) {
3544 *ldip = child;
3545 }
3546 if (instance->mr_tbolt_pd_list[tgt].flag != MRDRV_TGT_VALID) {
3547 rval = mrsas_service_evt(instance, tgt, 1,
3548 MRSAS_EVT_UNCONFIG_TGT, 0);
3549 con_log(CL_ANN1, (CE_WARN,
3550 "mr_sas:DELETING STALE ENTRY rval = %d "
3551 "tgt id = %d", rval, tgt));
3552 return (NDI_FAILURE);
3553 }
3554 return (NDI_SUCCESS);
3555 }
3556
3557 pds = (struct mrsas_tbolt_pd_info *)
3558 kmem_zalloc(sizeof (struct mrsas_tbolt_pd_info), KM_SLEEP);
3559 mrsas_tbolt_get_pd_info(instance, pds, tgt);
3560 dtype = pds->scsiDevType;
3561
3562 /* Check for Disk */
3563 if ((dtype == DTYPE_DIRECT)) {
3564 if ((dtype == DTYPE_DIRECT) &&
3565 (LE_16(pds->fwState) != PD_SYSTEM)) {
3566 kmem_free(pds, sizeof (struct mrsas_tbolt_pd_info));
3567 return (NDI_FAILURE);
3568 }
3569 sd = kmem_zalloc(sizeof (struct scsi_device), KM_SLEEP);
3570 sd->sd_address.a_hba_tran = instance->tran;
3571 sd->sd_address.a_target = (uint16_t)tgt;
3572 sd->sd_address.a_lun = (uint8_t)lun;
3573
3574 if (scsi_hba_probe(sd, NULL) == SCSIPROBE_EXISTS) {
3575 rval = mrsas_config_scsi_device(instance, sd, ldip);
3576 dev_err(instance->dip, CE_CONT,
3577 "?Phys. device found: tgt %d dtype %d: %s\n",
3578 tgt, dtype, sd->sd_inq->inq_vid);
3579 } else {
3580 rval = NDI_FAILURE;
3581 con_log(CL_DLEVEL1, (CE_NOTE, "Phys. device Not found "
3582 "scsi_hba_probe Failed: tgt %d dtype %d: %s",
3583 tgt, dtype, sd->sd_inq->inq_vid));
3584 }
3585
3586 /* sd_unprobe is blank now. Free buffer manually */
3587 if (sd->sd_inq) {
3588 kmem_free(sd->sd_inq, SUN_INQSIZE);
3589 sd->sd_inq = (struct scsi_inquiry *)NULL;
3590 }
3591 kmem_free(sd, sizeof (struct scsi_device));
3592 } else {
3593 con_log(CL_ANN1, (CE_NOTE,
3594 "?Device not supported: tgt %d lun %d dtype %d",
3595 tgt, lun, dtype));
3596 rval = NDI_FAILURE;
3597 }
3598
3599 kmem_free(pds, sizeof (struct mrsas_tbolt_pd_info));
3600 con_log(CL_ANN1, (CE_NOTE, "mrsas_config_pd: return rval = %d",
3601 rval));
3602 return (rval);
3603 }
3604
3605 static void
mrsas_tbolt_get_pd_info(struct mrsas_instance * instance,struct mrsas_tbolt_pd_info * pds,int tgt)3606 mrsas_tbolt_get_pd_info(struct mrsas_instance *instance,
3607 struct mrsas_tbolt_pd_info *pds, int tgt)
3608 {
3609 struct mrsas_cmd *cmd;
3610 struct mrsas_dcmd_frame *dcmd;
3611 dma_obj_t dcmd_dma_obj;
3612
3613 ASSERT(instance->tbolt || instance->skinny);
3614
3615 if (instance->tbolt)
3616 cmd = get_raid_msg_pkt(instance);
3617 else
3618 cmd = mrsas_get_mfi_pkt(instance);
3619
3620 if (!cmd) {
3621 con_log(CL_ANN1,
3622 (CE_WARN, "Failed to get a cmd for get pd info"));
3623 return;
3624 }
3625
3626 /* Clear the frame buffer and assign back the context id */
3627 bzero((char *)&cmd->frame[0], sizeof (union mrsas_frame));
3628 ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3629 cmd->index);
3630
3631
3632 dcmd = &cmd->frame->dcmd;
3633 dcmd_dma_obj.size = sizeof (struct mrsas_tbolt_pd_info);
3634 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr;
3635 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xffffffff;
3636 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xffffffff;
3637 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
3638 dcmd_dma_obj.dma_attr.dma_attr_align = 1;
3639
3640 (void) mrsas_alloc_dma_obj(instance, &dcmd_dma_obj,
3641 DDI_STRUCTURE_LE_ACC);
3642 bzero(dcmd_dma_obj.buffer, sizeof (struct mrsas_tbolt_pd_info));
3643 bzero(dcmd->mbox.b, 12);
3644 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
3645 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0);
3646 ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
3647 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
3648 MFI_FRAME_DIR_READ);
3649 ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
3650 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
3651 sizeof (struct mrsas_tbolt_pd_info));
3652 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
3653 MR_DCMD_PD_GET_INFO);
3654 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[0], tgt);
3655 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
3656 sizeof (struct mrsas_tbolt_pd_info));
3657 ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
3658 dcmd_dma_obj.dma_cookie[0].dmac_address);
3659
3660 cmd->sync_cmd = MRSAS_TRUE;
3661 cmd->frame_count = 1;
3662
3663 if (instance->tbolt)
3664 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3665
3666 instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd);
3667
3668 ddi_rep_get8(cmd->frame_dma_obj.acc_handle, (uint8_t *)pds,
3669 (uint8_t *)dcmd_dma_obj.buffer, sizeof (struct mrsas_tbolt_pd_info),
3670 DDI_DEV_AUTOINCR);
3671 (void) mrsas_free_dma_obj(instance, dcmd_dma_obj);
3672
3673 if (instance->tbolt)
3674 return_raid_msg_pkt(instance, cmd);
3675 else
3676 mrsas_return_mfi_pkt(instance, cmd);
3677 }
3678