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9c915a8c AR |
1 | /* |
2 | * Linux MegaRAID driver for SAS based RAID controllers | |
3 | * | |
e399065b SS |
4 | * Copyright (c) 2009-2013 LSI Corporation |
5 | * Copyright (c) 2013-2014 Avago Technologies | |
9c915a8c AR |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
e399065b | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
9c915a8c AR |
19 | * |
20 | * FILE: megaraid_sas_fusion.c | |
21 | * | |
e399065b | 22 | * Authors: Avago Technologies |
9c915a8c | 23 | * Sumant Patro |
e399065b SS |
24 | * Adam Radford |
25 | * Kashyap Desai <kashyap.desai@avagotech.com> | |
26 | * Sumit Saxena <sumit.saxena@avagotech.com> | |
9c915a8c | 27 | * |
e399065b | 28 | * Send feedback to: megaraidlinux.pdl@avagotech.com |
9c915a8c | 29 | * |
e399065b SS |
30 | * Mail to: Avago Technologies, 350 West Trimble Road, Building 90, |
31 | * San Jose, California 95131 | |
9c915a8c AR |
32 | */ |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/types.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/list.h> | |
38 | #include <linux/moduleparam.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/interrupt.h> | |
42 | #include <linux/delay.h> | |
9c915a8c AR |
43 | #include <linux/uio.h> |
44 | #include <linux/uaccess.h> | |
45 | #include <linux/fs.h> | |
46 | #include <linux/compat.h> | |
47 | #include <linux/blkdev.h> | |
48 | #include <linux/mutex.h> | |
49 | #include <linux/poll.h> | |
50 | ||
51 | #include <scsi/scsi.h> | |
52 | #include <scsi/scsi_cmnd.h> | |
53 | #include <scsi/scsi_device.h> | |
54 | #include <scsi/scsi_host.h> | |
90dc9d98 | 55 | #include <scsi/scsi_dbg.h> |
5765c5b8 | 56 | #include <linux/dmi.h> |
9c915a8c AR |
57 | |
58 | #include "megaraid_sas_fusion.h" | |
59 | #include "megaraid_sas.h" | |
60 | ||
4026e9aa | 61 | |
9c915a8c AR |
62 | extern void megasas_free_cmds(struct megasas_instance *instance); |
63 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
64 | *instance); | |
65 | extern void | |
66 | megasas_complete_cmd(struct megasas_instance *instance, | |
67 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 68 | int |
229fe47c AR |
69 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
70 | int seconds); | |
9c915a8c AR |
71 | |
72 | void | |
73 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
74 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
75 | int | |
76 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs); | |
77 | int | |
78 | megasas_issue_polled(struct megasas_instance *instance, | |
79 | struct megasas_cmd *cmd); | |
53ef2bbd AR |
80 | void |
81 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
82 | ||
058a8fac | 83 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c AR |
84 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
85 | ||
86 | extern u32 megasas_dbg_lvl; | |
229fe47c AR |
87 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr); |
88 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
89 | int initial); | |
90 | void megasas_start_timer(struct megasas_instance *instance, | |
91 | struct timer_list *timer, | |
92 | void *fn, unsigned long interval); | |
93 | extern struct megasas_mgmt_info megasas_mgmt_info; | |
c007b8b2 | 94 | extern int resetwaittime; |
9c915a8c | 95 | |
fc62b3fc SS |
96 | |
97 | ||
9c915a8c AR |
98 | /** |
99 | * megasas_enable_intr_fusion - Enables interrupts | |
100 | * @regs: MFI register set | |
101 | */ | |
102 | void | |
d46a3ad6 | 103 | megasas_enable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 104 | { |
d46a3ad6 SS |
105 | struct megasas_register_set __iomem *regs; |
106 | regs = instance->reg_set; | |
c2ced171 SS |
107 | |
108 | instance->mask_interrupts = 0; | |
6497b247 AR |
109 | /* For Thunderbolt/Invader also clear intr on enable */ |
110 | writel(~0, ®s->outbound_intr_status); | |
111 | readl(®s->outbound_intr_status); | |
112 | ||
9c915a8c AR |
113 | writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); |
114 | ||
115 | /* Dummy readl to force pci flush */ | |
116 | readl(®s->outbound_intr_mask); | |
117 | } | |
118 | ||
119 | /** | |
120 | * megasas_disable_intr_fusion - Disables interrupt | |
121 | * @regs: MFI register set | |
122 | */ | |
123 | void | |
d46a3ad6 | 124 | megasas_disable_intr_fusion(struct megasas_instance *instance) |
9c915a8c AR |
125 | { |
126 | u32 mask = 0xFFFFFFFF; | |
127 | u32 status; | |
d46a3ad6 SS |
128 | struct megasas_register_set __iomem *regs; |
129 | regs = instance->reg_set; | |
130 | instance->mask_interrupts = 1; | |
9c915a8c AR |
131 | |
132 | writel(mask, ®s->outbound_intr_mask); | |
133 | /* Dummy readl to force pci flush */ | |
134 | status = readl(®s->outbound_intr_mask); | |
135 | } | |
136 | ||
137 | int | |
138 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs) | |
139 | { | |
140 | u32 status; | |
141 | /* | |
142 | * Check if it is our interrupt | |
143 | */ | |
144 | status = readl(®s->outbound_intr_status); | |
145 | ||
146 | if (status & 1) { | |
147 | writel(status, ®s->outbound_intr_status); | |
148 | readl(®s->outbound_intr_status); | |
149 | return 1; | |
150 | } | |
151 | if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) | |
152 | return 0; | |
153 | ||
9c915a8c AR |
154 | return 1; |
155 | } | |
156 | ||
157 | /** | |
158 | * megasas_get_cmd_fusion - Get a command from the free pool | |
159 | * @instance: Adapter soft state | |
160 | * | |
4026e9aa | 161 | * Returns a blk_tag indexed mpt frame |
9c915a8c | 162 | */ |
4026e9aa SS |
163 | inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance |
164 | *instance, u32 blk_tag) | |
9c915a8c | 165 | { |
4026e9aa | 166 | struct fusion_context *fusion; |
9c915a8c | 167 | |
4026e9aa SS |
168 | fusion = instance->ctrl_context; |
169 | return fusion->cmd_list[blk_tag]; | |
9c915a8c AR |
170 | } |
171 | ||
172 | /** | |
173 | * megasas_return_cmd_fusion - Return a cmd to free command pool | |
174 | * @instance: Adapter soft state | |
175 | * @cmd: Command packet to be returned to free command pool | |
176 | */ | |
90dc9d98 SS |
177 | inline void megasas_return_cmd_fusion(struct megasas_instance *instance, |
178 | struct megasas_cmd_fusion *cmd) | |
9c915a8c | 179 | { |
9c915a8c | 180 | cmd->scmd = NULL; |
7497cde8 | 181 | memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); |
90dc9d98 SS |
182 | } |
183 | ||
184 | /** | |
01d7f03b | 185 | * megasas_fire_cmd_fusion - Sends command to the FW |
90dc9d98 | 186 | */ |
01d7f03b CH |
187 | static void |
188 | megasas_fire_cmd_fusion(struct megasas_instance *instance, | |
189 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc) | |
90dc9d98 | 190 | { |
01d7f03b CH |
191 | #if defined(writeq) && defined(CONFIG_64BIT) |
192 | u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | | |
193 | le32_to_cpu(req_desc->u.low)); | |
194 | ||
195 | writeq(req_data, &instance->reg_set->inbound_low_queue_port); | |
196 | #else | |
90dc9d98 SS |
197 | unsigned long flags; |
198 | ||
01d7f03b CH |
199 | spin_lock_irqsave(&instance->hba_lock, flags); |
200 | writel(le32_to_cpu(req_desc->u.low), | |
201 | &instance->reg_set->inbound_low_queue_port); | |
202 | writel(le32_to_cpu(req_desc->u.high), | |
203 | &instance->reg_set->inbound_high_queue_port); | |
204 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
205 | #endif | |
9c915a8c AR |
206 | } |
207 | ||
01d7f03b | 208 | |
9c915a8c AR |
209 | /** |
210 | * megasas_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool | |
211 | * @instance: Adapter soft state | |
212 | */ | |
213 | static void megasas_teardown_frame_pool_fusion( | |
214 | struct megasas_instance *instance) | |
215 | { | |
216 | int i; | |
217 | struct fusion_context *fusion = instance->ctrl_context; | |
218 | ||
219 | u16 max_cmd = instance->max_fw_cmds; | |
220 | ||
221 | struct megasas_cmd_fusion *cmd; | |
222 | ||
223 | if (!fusion->sg_dma_pool || !fusion->sense_dma_pool) { | |
224 | printk(KERN_ERR "megasas: dma pool is null. SG Pool %p, " | |
225 | "sense pool : %p\n", fusion->sg_dma_pool, | |
226 | fusion->sense_dma_pool); | |
227 | return; | |
228 | } | |
229 | ||
230 | /* | |
231 | * Return all frames to pool | |
232 | */ | |
233 | for (i = 0; i < max_cmd; i++) { | |
234 | ||
235 | cmd = fusion->cmd_list[i]; | |
236 | ||
237 | if (cmd->sg_frame) | |
238 | pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, | |
239 | cmd->sg_frame_phys_addr); | |
240 | ||
241 | if (cmd->sense) | |
242 | pci_pool_free(fusion->sense_dma_pool, cmd->sense, | |
243 | cmd->sense_phys_addr); | |
244 | } | |
245 | ||
246 | /* | |
247 | * Now destroy the pool itself | |
248 | */ | |
249 | pci_pool_destroy(fusion->sg_dma_pool); | |
250 | pci_pool_destroy(fusion->sense_dma_pool); | |
251 | ||
252 | fusion->sg_dma_pool = NULL; | |
253 | fusion->sense_dma_pool = NULL; | |
254 | } | |
255 | ||
256 | /** | |
257 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool | |
258 | * @instance: Adapter soft state | |
259 | */ | |
260 | void | |
261 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
262 | { | |
263 | int i; | |
264 | struct fusion_context *fusion = instance->ctrl_context; | |
265 | ||
266 | u32 max_cmds, req_sz, reply_sz, io_frames_sz; | |
267 | ||
268 | ||
269 | req_sz = fusion->request_alloc_sz; | |
270 | reply_sz = fusion->reply_alloc_sz; | |
271 | io_frames_sz = fusion->io_frames_alloc_sz; | |
272 | ||
273 | max_cmds = instance->max_fw_cmds; | |
274 | ||
275 | /* Free descriptors and request Frames memory */ | |
276 | if (fusion->req_frames_desc) | |
277 | dma_free_coherent(&instance->pdev->dev, req_sz, | |
278 | fusion->req_frames_desc, | |
279 | fusion->req_frames_desc_phys); | |
280 | ||
281 | if (fusion->reply_frames_desc) { | |
282 | pci_pool_free(fusion->reply_frames_desc_pool, | |
283 | fusion->reply_frames_desc, | |
284 | fusion->reply_frames_desc_phys); | |
285 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
286 | } | |
287 | ||
288 | if (fusion->io_request_frames) { | |
289 | pci_pool_free(fusion->io_request_frames_pool, | |
290 | fusion->io_request_frames, | |
291 | fusion->io_request_frames_phys); | |
292 | pci_pool_destroy(fusion->io_request_frames_pool); | |
293 | } | |
294 | ||
295 | /* Free the Fusion frame pool */ | |
296 | megasas_teardown_frame_pool_fusion(instance); | |
297 | ||
298 | /* Free all the commands in the cmd_list */ | |
299 | for (i = 0; i < max_cmds; i++) | |
300 | kfree(fusion->cmd_list[i]); | |
301 | ||
302 | /* Free the cmd_list buffer itself */ | |
303 | kfree(fusion->cmd_list); | |
304 | fusion->cmd_list = NULL; | |
305 | ||
9c915a8c AR |
306 | } |
307 | ||
308 | /** | |
309 | * megasas_create_frame_pool_fusion - Creates DMA pool for cmd frames | |
310 | * @instance: Adapter soft state | |
311 | * | |
312 | */ | |
313 | static int megasas_create_frame_pool_fusion(struct megasas_instance *instance) | |
314 | { | |
315 | int i; | |
316 | u32 max_cmd; | |
317 | struct fusion_context *fusion; | |
318 | struct megasas_cmd_fusion *cmd; | |
319 | u32 total_sz_chain_frame; | |
320 | ||
321 | fusion = instance->ctrl_context; | |
322 | max_cmd = instance->max_fw_cmds; | |
323 | ||
324 | total_sz_chain_frame = MEGASAS_MAX_SZ_CHAIN_FRAME; | |
325 | ||
326 | /* | |
327 | * Use DMA pool facility provided by PCI layer | |
328 | */ | |
329 | ||
330 | fusion->sg_dma_pool = pci_pool_create("megasas sg pool fusion", | |
331 | instance->pdev, | |
332 | total_sz_chain_frame, 4, | |
333 | 0); | |
334 | if (!fusion->sg_dma_pool) { | |
335 | printk(KERN_DEBUG "megasas: failed to setup request pool " | |
336 | "fusion\n"); | |
337 | return -ENOMEM; | |
338 | } | |
339 | fusion->sense_dma_pool = pci_pool_create("megasas sense pool fusion", | |
340 | instance->pdev, | |
341 | SCSI_SENSE_BUFFERSIZE, 64, 0); | |
342 | ||
343 | if (!fusion->sense_dma_pool) { | |
344 | printk(KERN_DEBUG "megasas: failed to setup sense pool " | |
345 | "fusion\n"); | |
346 | pci_pool_destroy(fusion->sg_dma_pool); | |
347 | fusion->sg_dma_pool = NULL; | |
348 | return -ENOMEM; | |
349 | } | |
350 | ||
351 | /* | |
352 | * Allocate and attach a frame to each of the commands in cmd_list | |
353 | */ | |
354 | for (i = 0; i < max_cmd; i++) { | |
355 | ||
356 | cmd = fusion->cmd_list[i]; | |
357 | ||
358 | cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, | |
359 | GFP_KERNEL, | |
360 | &cmd->sg_frame_phys_addr); | |
361 | ||
362 | cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, | |
363 | GFP_KERNEL, &cmd->sense_phys_addr); | |
364 | /* | |
365 | * megasas_teardown_frame_pool_fusion() takes care of freeing | |
366 | * whatever has been allocated | |
367 | */ | |
368 | if (!cmd->sg_frame || !cmd->sense) { | |
369 | printk(KERN_DEBUG "megasas: pci_pool_alloc failed\n"); | |
370 | megasas_teardown_frame_pool_fusion(instance); | |
371 | return -ENOMEM; | |
372 | } | |
373 | } | |
374 | return 0; | |
375 | } | |
376 | ||
377 | /** | |
378 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
379 | * @instance: Adapter soft state | |
380 | * | |
381 | * | |
382 | * Each frame has a 32-bit field called context. This context is used to get | |
383 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
384 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
385 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
386 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
387 | * | |
388 | * cmds are formed in the io_request and sg_frame members of the | |
389 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
390 | * and is used as SMID of the cmd. | |
391 | * SMID value range is from 1 to max_fw_cmds. | |
392 | */ | |
393 | int | |
394 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
395 | { | |
c8e858fe | 396 | int i, j, count; |
9c915a8c AR |
397 | u32 max_cmd, io_frames_sz; |
398 | struct fusion_context *fusion; | |
399 | struct megasas_cmd_fusion *cmd; | |
400 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
401 | u32 offset; | |
402 | dma_addr_t io_req_base_phys; | |
403 | u8 *io_req_base; | |
404 | ||
405 | fusion = instance->ctrl_context; | |
406 | ||
407 | max_cmd = instance->max_fw_cmds; | |
408 | ||
409 | fusion->req_frames_desc = | |
410 | dma_alloc_coherent(&instance->pdev->dev, | |
411 | fusion->request_alloc_sz, | |
412 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
413 | ||
414 | if (!fusion->req_frames_desc) { | |
415 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
416 | "request_frames\n"); | |
417 | goto fail_req_desc; | |
418 | } | |
419 | ||
c8e858fe | 420 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c AR |
421 | fusion->reply_frames_desc_pool = |
422 | pci_pool_create("reply_frames pool", instance->pdev, | |
c8e858fe | 423 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c AR |
424 | |
425 | if (!fusion->reply_frames_desc_pool) { | |
426 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
427 | "reply_frame pool\n"); | |
428 | goto fail_reply_desc; | |
429 | } | |
430 | ||
431 | fusion->reply_frames_desc = | |
432 | pci_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL, | |
433 | &fusion->reply_frames_desc_phys); | |
434 | if (!fusion->reply_frames_desc) { | |
435 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
436 | "reply_frame pool\n"); | |
437 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
438 | goto fail_reply_desc; | |
439 | } | |
440 | ||
441 | reply_desc = fusion->reply_frames_desc; | |
c8e858fe | 442 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 443 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c AR |
444 | |
445 | io_frames_sz = fusion->io_frames_alloc_sz; | |
446 | ||
447 | fusion->io_request_frames_pool = | |
448 | pci_pool_create("io_request_frames pool", instance->pdev, | |
449 | fusion->io_frames_alloc_sz, 16, 0); | |
450 | ||
451 | if (!fusion->io_request_frames_pool) { | |
452 | printk(KERN_ERR "megasas: Could not allocate memory for " | |
453 | "io_request_frame pool\n"); | |
454 | goto fail_io_frames; | |
455 | } | |
456 | ||
457 | fusion->io_request_frames = | |
458 | pci_pool_alloc(fusion->io_request_frames_pool, GFP_KERNEL, | |
459 | &fusion->io_request_frames_phys); | |
460 | if (!fusion->io_request_frames) { | |
461 | printk(KERN_ERR "megasas: Could not allocate memory for " | |
462 | "io_request_frames frames\n"); | |
463 | pci_pool_destroy(fusion->io_request_frames_pool); | |
464 | goto fail_io_frames; | |
465 | } | |
466 | ||
467 | /* | |
468 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
469 | * Allocate the dynamic array first and then allocate individual | |
470 | * commands. | |
471 | */ | |
7731e6bb FW |
472 | fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) |
473 | * max_cmd, GFP_KERNEL); | |
9c915a8c AR |
474 | |
475 | if (!fusion->cmd_list) { | |
476 | printk(KERN_DEBUG "megasas: out of memory. Could not alloc " | |
477 | "memory for cmd_list_fusion\n"); | |
478 | goto fail_cmd_list; | |
479 | } | |
480 | ||
9c915a8c AR |
481 | max_cmd = instance->max_fw_cmds; |
482 | for (i = 0; i < max_cmd; i++) { | |
483 | fusion->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd_fusion), | |
484 | GFP_KERNEL); | |
485 | if (!fusion->cmd_list[i]) { | |
486 | printk(KERN_ERR "Could not alloc cmd list fusion\n"); | |
487 | ||
488 | for (j = 0; j < i; j++) | |
489 | kfree(fusion->cmd_list[j]); | |
490 | ||
491 | kfree(fusion->cmd_list); | |
492 | fusion->cmd_list = NULL; | |
493 | goto fail_cmd_list; | |
494 | } | |
495 | } | |
496 | ||
497 | /* The first 256 bytes (SMID 0) is not used. Don't add to cmd list */ | |
498 | io_req_base = fusion->io_request_frames + | |
499 | MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
500 | io_req_base_phys = fusion->io_request_frames_phys + | |
501 | MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
502 | ||
503 | /* | |
504 | * Add all the commands to command pool (fusion->cmd_pool) | |
505 | */ | |
506 | ||
507 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
508 | for (i = 0; i < max_cmd; i++) { | |
509 | cmd = fusion->cmd_list[i]; | |
510 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
511 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
512 | cmd->index = i + 1; | |
513 | cmd->scmd = NULL; | |
4026e9aa SS |
514 | cmd->sync_cmd_idx = (i >= instance->max_scsi_cmds) ? |
515 | (i - instance->max_scsi_cmds) : | |
516 | (u32)ULONG_MAX; /* Set to Invalid */ | |
9c915a8c AR |
517 | cmd->instance = instance; |
518 | cmd->io_request = | |
519 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
520 | (io_req_base + offset); | |
521 | memset(cmd->io_request, 0, | |
522 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
523 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
9c915a8c AR |
524 | } |
525 | ||
526 | /* | |
527 | * Create a frame pool and assign one frame to each cmd | |
528 | */ | |
529 | if (megasas_create_frame_pool_fusion(instance)) { | |
530 | printk(KERN_DEBUG "megasas: Error creating frame DMA pool\n"); | |
531 | megasas_free_cmds_fusion(instance); | |
532 | goto fail_req_desc; | |
533 | } | |
534 | ||
535 | return 0; | |
536 | ||
537 | fail_cmd_list: | |
538 | pci_pool_free(fusion->io_request_frames_pool, fusion->io_request_frames, | |
539 | fusion->io_request_frames_phys); | |
540 | pci_pool_destroy(fusion->io_request_frames_pool); | |
541 | fail_io_frames: | |
542 | dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, | |
543 | fusion->reply_frames_desc, | |
544 | fusion->reply_frames_desc_phys); | |
545 | pci_pool_free(fusion->reply_frames_desc_pool, | |
546 | fusion->reply_frames_desc, | |
547 | fusion->reply_frames_desc_phys); | |
548 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
549 | ||
550 | fail_reply_desc: | |
551 | dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, | |
552 | fusion->req_frames_desc, | |
553 | fusion->req_frames_desc_phys); | |
554 | fail_req_desc: | |
555 | return -ENOMEM; | |
556 | } | |
557 | ||
558 | /** | |
559 | * wait_and_poll - Issues a polling command | |
560 | * @instance: Adapter soft state | |
561 | * @cmd: Command packet to be issued | |
562 | * | |
563 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
564 | */ | |
565 | int | |
229fe47c AR |
566 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
567 | int seconds) | |
9c915a8c AR |
568 | { |
569 | int i; | |
570 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 571 | struct fusion_context *fusion; |
9c915a8c | 572 | |
229fe47c | 573 | u32 msecs = seconds * 1000; |
9c915a8c | 574 | |
90dc9d98 | 575 | fusion = instance->ctrl_context; |
9c915a8c AR |
576 | /* |
577 | * Wait for cmd_status to change | |
578 | */ | |
579 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
580 | rmb(); | |
581 | msleep(20); | |
582 | } | |
583 | ||
4026e9aa | 584 | if (frame_hdr->cmd_status == 0xff) |
9c915a8c AR |
585 | return -ETIME; |
586 | ||
2be2a988 SS |
587 | return (frame_hdr->cmd_status == MFI_STAT_OK) ? |
588 | 0 : 1; | |
9c915a8c AR |
589 | } |
590 | ||
591 | /** | |
592 | * megasas_ioc_init_fusion - Initializes the FW | |
593 | * @instance: Adapter soft state | |
594 | * | |
595 | * Issues the IOC Init cmd | |
596 | */ | |
597 | int | |
598 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
599 | { | |
600 | struct megasas_init_frame *init_frame; | |
601 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage; | |
602 | dma_addr_t ioc_init_handle; | |
9c915a8c AR |
603 | struct megasas_cmd *cmd; |
604 | u8 ret; | |
605 | struct fusion_context *fusion; | |
c77a9bd8 | 606 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c AR |
607 | int i; |
608 | struct megasas_header *frame_hdr; | |
5765c5b8 | 609 | const char *sys_info; |
9c915a8c AR |
610 | |
611 | fusion = instance->ctrl_context; | |
612 | ||
613 | cmd = megasas_get_cmd(instance); | |
614 | ||
615 | if (!cmd) { | |
616 | printk(KERN_ERR "Could not allocate cmd for INIT Frame\n"); | |
617 | ret = 1; | |
618 | goto fail_get_cmd; | |
619 | } | |
620 | ||
621 | IOCInitMessage = | |
622 | dma_alloc_coherent(&instance->pdev->dev, | |
623 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
624 | &ioc_init_handle, GFP_KERNEL); | |
625 | ||
626 | if (!IOCInitMessage) { | |
627 | printk(KERN_ERR "Could not allocate memory for " | |
628 | "IOCInitMessage\n"); | |
629 | ret = 1; | |
630 | goto fail_fw_init; | |
631 | } | |
632 | ||
633 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); | |
634 | ||
635 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
636 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
637 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
638 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
639 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
640 | ||
641 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
642 | IOCInitMessage->ReplyDescriptorPostQueueAddress = cpu_to_le64(fusion->reply_frames_desc_phys); | |
643 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); | |
5738f996 | 644 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
9c915a8c AR |
645 | init_frame = (struct megasas_init_frame *)cmd->frame; |
646 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
647 | ||
648 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 649 | frame_hdr->cmd_status = 0xFF; |
48433bd7 CH |
650 | frame_hdr->flags = cpu_to_le16( |
651 | le16_to_cpu(frame_hdr->flags) | | |
652 | MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); | |
9c915a8c AR |
653 | |
654 | init_frame->cmd = MFI_CMD_INIT; | |
655 | init_frame->cmd_status = 0xFF; | |
656 | ||
d46a3ad6 SS |
657 | /* driver support Extended MSIX */ |
658 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || | |
659 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
660 | init_frame->driver_operations. | |
661 | mfi_capabilities.support_additional_msix = 1; | |
21c9e160 AR |
662 | /* driver supports HA / Remote LUN over Fast Path interface */ |
663 | init_frame->driver_operations.mfi_capabilities.support_fp_remote_lun | |
664 | = 1; | |
51087a86 SS |
665 | init_frame->driver_operations.mfi_capabilities.support_max_255lds |
666 | = 1; | |
d2552ebe SS |
667 | init_frame->driver_operations.mfi_capabilities.support_ndrive_r1_lb |
668 | = 1; | |
7497cde8 SS |
669 | init_frame->driver_operations.mfi_capabilities.security_protocol_cmds_fw |
670 | = 1; | |
94cd65dd SS |
671 | /* Convert capability to LE32 */ |
672 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 673 | |
5765c5b8 SS |
674 | sys_info = dmi_get_system_info(DMI_PRODUCT_UUID); |
675 | if (instance->system_info_buf && sys_info) { | |
676 | memcpy(instance->system_info_buf->systemId, sys_info, | |
677 | strlen(sys_info) > 64 ? 64 : strlen(sys_info)); | |
678 | instance->system_info_buf->systemIdLength = | |
679 | strlen(sys_info) > 64 ? 64 : strlen(sys_info); | |
680 | init_frame->system_info_lo = instance->system_info_h; | |
681 | init_frame->system_info_hi = 0; | |
682 | } | |
683 | ||
fdc5a97c HR |
684 | init_frame->queue_info_new_phys_addr_hi = |
685 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
686 | init_frame->queue_info_new_phys_addr_lo = | |
687 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 688 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 689 | |
200aed58 SS |
690 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
691 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 692 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 693 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 694 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c AR |
695 | |
696 | /* | |
697 | * disable the intr before firing the init frame | |
698 | */ | |
d46a3ad6 | 699 | instance->instancet->disable_intr(instance); |
9c915a8c AR |
700 | |
701 | for (i = 0; i < (10 * 1000); i += 20) { | |
702 | if (readl(&instance->reg_set->doorbell) & 1) | |
703 | msleep(20); | |
704 | else | |
705 | break; | |
706 | } | |
707 | ||
01d7f03b | 708 | megasas_fire_cmd_fusion(instance, &req_desc); |
9c915a8c | 709 | |
229fe47c | 710 | wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); |
9c915a8c AR |
711 | |
712 | frame_hdr = &cmd->frame->hdr; | |
713 | if (frame_hdr->cmd_status != 0) { | |
714 | ret = 1; | |
715 | goto fail_fw_init; | |
716 | } | |
717 | printk(KERN_ERR "megasas:IOC Init cmd success\n"); | |
718 | ||
719 | ret = 0; | |
720 | ||
721 | fail_fw_init: | |
722 | megasas_return_cmd(instance, cmd); | |
723 | if (IOCInitMessage) | |
724 | dma_free_coherent(&instance->pdev->dev, | |
725 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
726 | IOCInitMessage, ioc_init_handle); | |
727 | fail_get_cmd: | |
728 | return ret; | |
729 | } | |
730 | ||
9c915a8c AR |
731 | /* |
732 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
733 | * @instance: Adapter soft state | |
734 | * @pend: Pend the command or not | |
735 | * Issues an internal command (DCMD) to get the FW's controller PD | |
736 | * list structure. This information is mainly used to find out SYSTEM | |
737 | * supported by the FW. | |
51087a86 SS |
738 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
739 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
740 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
741 | * - 1 - pend till config change | |
742 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
743 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
744 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c AR |
745 | */ |
746 | static int | |
747 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
748 | { | |
749 | int ret = 0; | |
750 | struct megasas_cmd *cmd; | |
751 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 752 | void *ci; |
9c915a8c AR |
753 | dma_addr_t ci_h = 0; |
754 | u32 size_map_info; | |
755 | struct fusion_context *fusion; | |
756 | ||
757 | cmd = megasas_get_cmd(instance); | |
758 | ||
759 | if (!cmd) { | |
760 | printk(KERN_DEBUG "megasas: Failed to get cmd for map info.\n"); | |
761 | return -ENOMEM; | |
762 | } | |
763 | ||
764 | fusion = instance->ctrl_context; | |
765 | ||
766 | if (!fusion) { | |
767 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 768 | return -ENXIO; |
9c915a8c AR |
769 | } |
770 | ||
771 | dcmd = &cmd->frame->dcmd; | |
772 | ||
51087a86 | 773 | size_map_info = fusion->current_map_sz; |
9c915a8c | 774 | |
51087a86 | 775 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c AR |
776 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
777 | ||
778 | if (!ci) { | |
779 | printk(KERN_DEBUG "Failed to alloc mem for ld_map_info\n"); | |
780 | megasas_return_cmd(instance, cmd); | |
781 | return -ENOMEM; | |
782 | } | |
783 | ||
51087a86 | 784 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 785 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
51087a86 SS |
786 | #if VD_EXT_DEBUG |
787 | dev_dbg(&instance->pdev->dev, | |
788 | "%s sending MR_DCMD_LD_MAP_GET_INFO with size %d\n", | |
789 | __func__, cpu_to_le32(size_map_info)); | |
790 | #endif | |
9c915a8c AR |
791 | dcmd->cmd = MFI_CMD_DCMD; |
792 | dcmd->cmd_status = 0xFF; | |
793 | dcmd->sge_count = 1; | |
94cd65dd | 794 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
9c915a8c AR |
795 | dcmd->timeout = 0; |
796 | dcmd->pad_0 = 0; | |
94cd65dd SS |
797 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
798 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
799 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
800 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c | 801 | |
90dc9d98 SS |
802 | if (instance->ctrl_context && !instance->mask_interrupts) |
803 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
804 | MEGASAS_BLOCKED_CMD_TIMEOUT); | |
805 | else | |
806 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 807 | |
4026e9aa | 808 | megasas_return_cmd(instance, cmd); |
9c915a8c AR |
809 | |
810 | return ret; | |
811 | } | |
812 | ||
813 | u8 | |
814 | megasas_get_map_info(struct megasas_instance *instance) | |
815 | { | |
816 | struct fusion_context *fusion = instance->ctrl_context; | |
817 | ||
818 | fusion->fast_path_io = 0; | |
819 | if (!megasas_get_ld_map_info(instance)) { | |
bc93d425 | 820 | if (MR_ValidateMapInfo(instance)) { |
9c915a8c AR |
821 | fusion->fast_path_io = 1; |
822 | return 0; | |
823 | } | |
824 | } | |
825 | return 1; | |
826 | } | |
827 | ||
828 | /* | |
829 | * megasas_sync_map_info - Returns FW's ld_map structure | |
830 | * @instance: Adapter soft state | |
831 | * | |
832 | * Issues an internal command (DCMD) to get the FW's controller PD | |
833 | * list structure. This information is mainly used to find out SYSTEM | |
834 | * supported by the FW. | |
835 | */ | |
836 | int | |
837 | megasas_sync_map_info(struct megasas_instance *instance) | |
838 | { | |
839 | int ret = 0, i; | |
840 | struct megasas_cmd *cmd; | |
841 | struct megasas_dcmd_frame *dcmd; | |
842 | u32 size_sync_info, num_lds; | |
843 | struct fusion_context *fusion; | |
844 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 845 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c AR |
846 | struct MR_LD_RAID *raid; |
847 | struct MR_LD_TARGET_SYNC *ld_sync; | |
848 | dma_addr_t ci_h = 0; | |
849 | u32 size_map_info; | |
850 | ||
851 | cmd = megasas_get_cmd(instance); | |
852 | ||
853 | if (!cmd) { | |
854 | printk(KERN_DEBUG "megasas: Failed to get cmd for sync" | |
855 | "info.\n"); | |
856 | return -ENOMEM; | |
857 | } | |
858 | ||
859 | fusion = instance->ctrl_context; | |
860 | ||
861 | if (!fusion) { | |
862 | megasas_return_cmd(instance, cmd); | |
863 | return 1; | |
864 | } | |
865 | ||
51087a86 | 866 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 867 | |
6e755ddc | 868 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c AR |
869 | |
870 | dcmd = &cmd->frame->dcmd; | |
871 | ||
872 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
873 | ||
874 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
875 | ||
876 | ci = (struct MR_LD_TARGET_SYNC *) | |
877 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 878 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c AR |
879 | |
880 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
881 | ||
882 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
883 | ||
884 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
885 | raid = MR_LdRaidGet(i, map); | |
886 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
887 | ld_sync->seqNum = raid->seqNum; | |
888 | } | |
889 | ||
51087a86 | 890 | size_map_info = fusion->current_map_sz; |
9c915a8c AR |
891 | |
892 | dcmd->cmd = MFI_CMD_DCMD; | |
893 | dcmd->cmd_status = 0xFF; | |
894 | dcmd->sge_count = 1; | |
94cd65dd | 895 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); |
9c915a8c AR |
896 | dcmd->timeout = 0; |
897 | dcmd->pad_0 = 0; | |
94cd65dd | 898 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c AR |
899 | dcmd->mbox.b[0] = num_lds; |
900 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd SS |
901 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
902 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
903 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c AR |
904 | |
905 | instance->map_update_cmd = cmd; | |
906 | ||
907 | instance->instancet->issue_dcmd(instance, cmd); | |
908 | ||
909 | return ret; | |
910 | } | |
911 | ||
39b72c3c SS |
912 | /* |
913 | * meagasas_display_intel_branding - Display branding string | |
914 | * @instance: per adapter object | |
915 | * | |
916 | * Return nothing. | |
917 | */ | |
918 | static void | |
919 | megasas_display_intel_branding(struct megasas_instance *instance) | |
920 | { | |
921 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
922 | return; | |
923 | ||
924 | switch (instance->pdev->device) { | |
925 | case PCI_DEVICE_ID_LSI_INVADER: | |
926 | switch (instance->pdev->subsystem_device) { | |
927 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
928 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
929 | instance->host->host_no, | |
930 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
931 | break; | |
932 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
933 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
934 | instance->host->host_no, | |
935 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
936 | break; | |
937 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
938 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
939 | instance->host->host_no, | |
940 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
941 | break; | |
942 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
943 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
944 | instance->host->host_no, | |
945 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
946 | break; | |
947 | default: | |
948 | break; | |
949 | } | |
950 | break; | |
951 | case PCI_DEVICE_ID_LSI_FURY: | |
952 | switch (instance->pdev->subsystem_device) { | |
953 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
954 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
955 | instance->host->host_no, | |
956 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
957 | break; | |
958 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
959 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
960 | instance->host->host_no, | |
961 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
962 | break; | |
963 | default: | |
964 | break; | |
965 | } | |
966 | break; | |
967 | default: | |
968 | break; | |
969 | } | |
970 | } | |
971 | ||
9c915a8c AR |
972 | /** |
973 | * megasas_init_adapter_fusion - Initializes the FW | |
974 | * @instance: Adapter soft state | |
975 | * | |
976 | * This is the main function for initializing firmware. | |
977 | */ | |
978 | u32 | |
979 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
980 | { | |
981 | struct megasas_register_set __iomem *reg_set; | |
982 | struct fusion_context *fusion; | |
983 | u32 max_cmd; | |
c8e858fe | 984 | int i = 0, count; |
9c915a8c AR |
985 | |
986 | fusion = instance->ctrl_context; | |
987 | ||
988 | reg_set = instance->reg_set; | |
989 | ||
990 | /* | |
991 | * Get various operational parameters from status register | |
992 | */ | |
993 | instance->max_fw_cmds = | |
994 | instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; | |
995 | instance->max_fw_cmds = min(instance->max_fw_cmds, (u16)1008); | |
996 | ||
997 | /* | |
998 | * Reduce the max supported cmds by 1. This is to ensure that the | |
999 | * reply_q_sz (1 more than the max cmd that driver may send) | |
1000 | * does not exceed max cmds that the FW can support | |
1001 | */ | |
1002 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
ae09a6c1 SS |
1003 | |
1004 | /* | |
1005 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1006 | */ | |
1007 | instance->max_mfi_cmds = | |
1008 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c AR |
1009 | |
1010 | max_cmd = instance->max_fw_cmds; | |
1011 | ||
db4fc864 | 1012 | fusion->reply_q_depth = 2 * (((max_cmd + 1 + 15)/16)*16); |
9c915a8c AR |
1013 | |
1014 | fusion->request_alloc_sz = | |
1015 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *max_cmd; | |
1016 | fusion->reply_alloc_sz = sizeof(union MPI2_REPLY_DESCRIPTORS_UNION) | |
1017 | *(fusion->reply_q_depth); | |
1018 | fusion->io_frames_alloc_sz = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + | |
1019 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * | |
1020 | (max_cmd + 1)); /* Extra 1 for SMID 0 */ | |
1021 | ||
1022 | fusion->max_sge_in_main_msg = | |
1023 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1024 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16; | |
1025 | ||
1026 | fusion->max_sge_in_chain = | |
1027 | MEGASAS_MAX_SZ_CHAIN_FRAME / sizeof(union MPI2_SGE_IO_UNION); | |
1028 | ||
a5fd2858 SS |
1029 | instance->max_num_sge = rounddown_pow_of_two( |
1030 | fusion->max_sge_in_main_msg + fusion->max_sge_in_chain - 2); | |
9c915a8c AR |
1031 | |
1032 | /* Used for pass thru MFI frame (DCMD) */ | |
1033 | fusion->chain_offset_mfi_pthru = | |
1034 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL)/16; | |
1035 | ||
1036 | fusion->chain_offset_io_request = | |
1037 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1038 | sizeof(union MPI2_SGE_IO_UNION))/16; | |
1039 | ||
c8e858fe AR |
1040 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
1041 | for (i = 0 ; i < count; i++) | |
1042 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 1043 | |
f26ac3a1 SS |
1044 | /* |
1045 | * For fusion adapters, 3 commands for IOCTL and 5 commands | |
1046 | * for driver's internal DCMDs. | |
1047 | */ | |
1048 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
1049 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
1050 | MEGASAS_FUSION_IOCTL_CMDS); | |
1051 | sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS); | |
1052 | ||
9c915a8c AR |
1053 | /* |
1054 | * Allocate memory for descriptors | |
1055 | * Create a pool of commands | |
1056 | */ | |
1057 | if (megasas_alloc_cmds(instance)) | |
1058 | goto fail_alloc_mfi_cmds; | |
1059 | if (megasas_alloc_cmds_fusion(instance)) | |
1060 | goto fail_alloc_cmds; | |
1061 | ||
1062 | if (megasas_ioc_init_fusion(instance)) | |
1063 | goto fail_ioc_init; | |
1064 | ||
39b72c3c | 1065 | megasas_display_intel_branding(instance); |
d009b576 | 1066 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
1067 | dev_err(&instance->pdev->dev, |
1068 | "Could not get controller info. Fail from %s %d\n", | |
1069 | __func__, __LINE__); | |
1070 | goto fail_ioc_init; | |
1071 | } | |
1072 | ||
9c915a8c | 1073 | instance->flag_ieee = 1; |
51087a86 | 1074 | fusion->fast_path_io = 0; |
9c915a8c | 1075 | |
51087a86 SS |
1076 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); |
1077 | for (i = 0; i < 2; i++) { | |
1078 | fusion->ld_map[i] = NULL; | |
1079 | fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL, | |
1080 | fusion->drv_map_pages); | |
1081 | if (!fusion->ld_drv_map[i]) { | |
1082 | dev_err(&instance->pdev->dev, "Could not allocate " | |
1083 | "memory for local map info for %d pages\n", | |
1084 | fusion->drv_map_pages); | |
1085 | if (i == 1) | |
1086 | free_pages((ulong)fusion->ld_drv_map[0], | |
1087 | fusion->drv_map_pages); | |
1088 | goto fail_ioc_init; | |
1089 | } | |
d009b576 SS |
1090 | memset(fusion->ld_drv_map[i], 0, |
1091 | ((1 << PAGE_SHIFT) << fusion->drv_map_pages)); | |
51087a86 SS |
1092 | } |
1093 | ||
9c915a8c AR |
1094 | for (i = 0; i < 2; i++) { |
1095 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
51087a86 | 1096 | fusion->max_map_sz, |
9c915a8c AR |
1097 | &fusion->ld_map_phys[i], |
1098 | GFP_KERNEL); | |
1099 | if (!fusion->ld_map[i]) { | |
1100 | printk(KERN_ERR "megasas: Could not allocate memory " | |
1101 | "for map info\n"); | |
1102 | goto fail_map_info; | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | if (!megasas_get_map_info(instance)) | |
1107 | megasas_sync_map_info(instance); | |
1108 | ||
1109 | return 0; | |
1110 | ||
9c915a8c AR |
1111 | fail_map_info: |
1112 | if (i == 1) | |
51087a86 | 1113 | dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz, |
9c915a8c AR |
1114 | fusion->ld_map[0], fusion->ld_map_phys[0]); |
1115 | fail_ioc_init: | |
eb1b1237 AR |
1116 | megasas_free_cmds_fusion(instance); |
1117 | fail_alloc_cmds: | |
1118 | megasas_free_cmds(instance); | |
1119 | fail_alloc_mfi_cmds: | |
9c915a8c AR |
1120 | return 1; |
1121 | } | |
1122 | ||
9c915a8c AR |
1123 | /** |
1124 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1125 | * @cmd : Pointer to cmd | |
1126 | * @status : status of cmd returned by FW | |
1127 | * @ext_status : ext status of cmd returned by FW | |
1128 | */ | |
1129 | ||
1130 | void | |
1131 | map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status) | |
1132 | { | |
1133 | ||
1134 | switch (status) { | |
1135 | ||
1136 | case MFI_STAT_OK: | |
1137 | cmd->scmd->result = DID_OK << 16; | |
1138 | break; | |
1139 | ||
1140 | case MFI_STAT_SCSI_IO_FAILED: | |
1141 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
1142 | cmd->scmd->result = (DID_ERROR << 16) | ext_status; | |
1143 | break; | |
1144 | ||
1145 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1146 | ||
1147 | cmd->scmd->result = (DID_OK << 16) | ext_status; | |
1148 | if (ext_status == SAM_STAT_CHECK_CONDITION) { | |
1149 | memset(cmd->scmd->sense_buffer, 0, | |
1150 | SCSI_SENSE_BUFFERSIZE); | |
1151 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
1152 | SCSI_SENSE_BUFFERSIZE); | |
1153 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
1154 | } | |
1155 | break; | |
1156 | ||
1157 | case MFI_STAT_LD_OFFLINE: | |
1158 | case MFI_STAT_DEVICE_NOT_FOUND: | |
1159 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
1160 | break; | |
36807e67 AR |
1161 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
1162 | cmd->scmd->result = DID_IMM_RETRY << 16; | |
1163 | break; | |
9c915a8c AR |
1164 | default: |
1165 | printk(KERN_DEBUG "megasas: FW status %#x\n", status); | |
1166 | cmd->scmd->result = DID_ERROR << 16; | |
1167 | break; | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | /** | |
1172 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
1173 | * @instance: Adapter soft state | |
1174 | * @scp: SCSI command from the mid-layer | |
1175 | * @sgl_ptr: SGL to be filled in | |
1176 | * @cmd: cmd we are working on | |
1177 | * | |
1178 | * If successful, this function returns the number of SG elements. | |
1179 | */ | |
1180 | static int | |
1181 | megasas_make_sgl_fusion(struct megasas_instance *instance, | |
1182 | struct scsi_cmnd *scp, | |
1183 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
1184 | struct megasas_cmd_fusion *cmd) | |
1185 | { | |
36807e67 | 1186 | int i, sg_processed, sge_count; |
9c915a8c AR |
1187 | struct scatterlist *os_sgl; |
1188 | struct fusion_context *fusion; | |
1189 | ||
1190 | fusion = instance->ctrl_context; | |
1191 | ||
21d3c710 SS |
1192 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1193 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1194 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
1195 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
1196 | sgl_ptr_end->Flags = 0; | |
1197 | } | |
9c915a8c AR |
1198 | |
1199 | sge_count = scsi_dma_map(scp); | |
1200 | ||
1201 | BUG_ON(sge_count < 0); | |
1202 | ||
1203 | if (sge_count > instance->max_num_sge || !sge_count) | |
1204 | return sge_count; | |
1205 | ||
9c915a8c | 1206 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
1207 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
1208 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 1209 | sgl_ptr->Flags = 0; |
21d3c710 SS |
1210 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1211 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1212 | if (i == sge_count - 1) |
1213 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
1214 | } | |
9c915a8c AR |
1215 | sgl_ptr++; |
1216 | ||
1217 | sg_processed = i + 1; | |
1218 | ||
1219 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
1220 | (sge_count > fusion->max_sge_in_main_msg)) { | |
1221 | ||
1222 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
21d3c710 SS |
1223 | if ((instance->pdev->device == |
1224 | PCI_DEVICE_ID_LSI_INVADER) || | |
1225 | (instance->pdev->device == | |
1226 | PCI_DEVICE_ID_LSI_FURY)) { | |
94cd65dd SS |
1227 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
1228 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
1229 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 AR |
1230 | cmd->io_request->ChainOffset = |
1231 | fusion-> | |
1232 | chain_offset_io_request; | |
1233 | else | |
1234 | cmd->io_request->ChainOffset = 0; | |
1235 | } else | |
1236 | cmd->io_request->ChainOffset = | |
1237 | fusion->chain_offset_io_request; | |
1238 | ||
9c915a8c AR |
1239 | sg_chain = sgl_ptr; |
1240 | /* Prepare chain element */ | |
1241 | sg_chain->NextChainOffset = 0; | |
21d3c710 SS |
1242 | if ((instance->pdev->device == |
1243 | PCI_DEVICE_ID_LSI_INVADER) || | |
1244 | (instance->pdev->device == | |
1245 | PCI_DEVICE_ID_LSI_FURY)) | |
36807e67 AR |
1246 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
1247 | else | |
1248 | sg_chain->Flags = | |
1249 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
1250 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
1251 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
1252 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c AR |
1253 | |
1254 | sgl_ptr = | |
1255 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
7497cde8 | 1256 | memset(sgl_ptr, 0, MEGASAS_MAX_SZ_CHAIN_FRAME); |
9c915a8c AR |
1257 | } |
1258 | } | |
1259 | ||
1260 | return sge_count; | |
1261 | } | |
1262 | ||
1263 | /** | |
1264 | * megasas_set_pd_lba - Sets PD LBA | |
1265 | * @cdb: CDB | |
1266 | * @cdb_len: cdb length | |
1267 | * @start_blk: Start block of IO | |
1268 | * | |
1269 | * Used to set the PD LBA in CDB for FP IOs | |
1270 | */ | |
1271 | void | |
1272 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
1273 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 1274 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c AR |
1275 | { |
1276 | struct MR_LD_RAID *raid; | |
1277 | u32 ld; | |
1278 | u64 start_blk = io_info->pdBlock; | |
1279 | u8 *cdb = io_request->CDB.CDB32; | |
1280 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 1281 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c AR |
1282 | |
1283 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
1284 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
1285 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
1286 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
1287 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1288 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
1289 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
1290 | ||
1291 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1292 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; | |
1293 | else | |
1294 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
1295 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
1296 | ||
1297 | /* LBA */ | |
1298 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
1299 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
1300 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
1301 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
1302 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
1303 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
1304 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
1305 | cdb[19] = (u8)(start_blk & 0xff); | |
1306 | ||
1307 | /* Logical block reference tag */ | |
1308 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
1309 | cpu_to_be32(ref_tag); | |
6e755ddc | 1310 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 1311 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c AR |
1312 | |
1313 | /* Transfer length */ | |
1314 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
1315 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
1316 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
1317 | cdb[31] = (u8)(num_blocks & 0xff); | |
1318 | ||
1319 | /* set SCSI IO EEDPFlags */ | |
1320 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) { | |
94cd65dd | 1321 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c AR |
1322 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
1323 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
1324 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
1325 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
94cd65dd | 1326 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 1327 | } else { |
94cd65dd | 1328 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 1329 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 1330 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 1331 | } |
94cd65dd SS |
1332 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
1333 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c AR |
1334 | } else { |
1335 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
1336 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
1337 | (start_blk <= 0xffffffff)) { | |
1338 | if (cdb_len == 16) { | |
1339 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
1340 | flagvals = cdb[1]; | |
1341 | groupnum = cdb[14]; | |
1342 | control = cdb[15]; | |
1343 | } else { | |
1344 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
1345 | flagvals = cdb[1]; | |
1346 | groupnum = cdb[10]; | |
1347 | control = cdb[11]; | |
1348 | } | |
1349 | ||
1350 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1351 | ||
1352 | cdb[0] = opcode; | |
1353 | cdb[1] = flagvals; | |
1354 | cdb[6] = groupnum; | |
1355 | cdb[9] = control; | |
1356 | ||
1357 | /* Transfer length */ | |
1358 | cdb[8] = (u8)(num_blocks & 0xff); | |
1359 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
1360 | ||
94cd65dd | 1361 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 1362 | cdb_len = 10; |
495c5609 AR |
1363 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
1364 | /* Convert to 16 byte CDB for large LBA's */ | |
1365 | switch (cdb_len) { | |
1366 | case 6: | |
1367 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
1368 | control = cdb[5]; | |
1369 | break; | |
1370 | case 10: | |
1371 | opcode = | |
1372 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
1373 | flagvals = cdb[1]; | |
1374 | groupnum = cdb[6]; | |
1375 | control = cdb[9]; | |
1376 | break; | |
1377 | case 12: | |
1378 | opcode = | |
1379 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
1380 | flagvals = cdb[1]; | |
1381 | groupnum = cdb[10]; | |
1382 | control = cdb[11]; | |
1383 | break; | |
1384 | } | |
1385 | ||
1386 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1387 | ||
1388 | cdb[0] = opcode; | |
1389 | cdb[1] = flagvals; | |
1390 | cdb[14] = groupnum; | |
1391 | cdb[15] = control; | |
1392 | ||
1393 | /* Transfer length */ | |
1394 | cdb[13] = (u8)(num_blocks & 0xff); | |
1395 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
1396 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
1397 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
1398 | ||
94cd65dd | 1399 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 1400 | cdb_len = 16; |
9c915a8c AR |
1401 | } |
1402 | ||
1403 | /* Normal case, just load LBA here */ | |
1404 | switch (cdb_len) { | |
1405 | case 6: | |
1406 | { | |
1407 | u8 val = cdb[1] & 0xE0; | |
1408 | cdb[3] = (u8)(start_blk & 0xff); | |
1409 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
1410 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
1411 | break; | |
1412 | } | |
1413 | case 10: | |
1414 | cdb[5] = (u8)(start_blk & 0xff); | |
1415 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1416 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1417 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1418 | break; | |
1419 | case 12: | |
1420 | cdb[5] = (u8)(start_blk & 0xff); | |
1421 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1422 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1423 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1424 | break; | |
1425 | case 16: | |
1426 | cdb[9] = (u8)(start_blk & 0xff); | |
1427 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
1428 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
1429 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
1430 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
1431 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
1432 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
1433 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
1434 | break; | |
1435 | } | |
1436 | } | |
1437 | } | |
1438 | ||
1439 | /** | |
1440 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
1441 | * @instance: Adapter soft state | |
1442 | * @scp: SCSI command | |
1443 | * @cmd: Command to be prepared | |
1444 | * | |
1445 | * Prepares the io_request and chain elements (sg_frame) for IO | |
1446 | * The IO can be for PD (Fast Path) or LD | |
1447 | */ | |
1448 | void | |
1449 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
1450 | struct scsi_cmnd *scp, | |
1451 | struct megasas_cmd_fusion *cmd) | |
1452 | { | |
1453 | u8 fp_possible; | |
f9eff815 | 1454 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; |
9c915a8c AR |
1455 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
1456 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1457 | struct IO_REQUEST_INFO io_info; | |
1458 | struct fusion_context *fusion; | |
51087a86 | 1459 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 1460 | u8 *raidLUN; |
9c915a8c | 1461 | |
4a5c814d | 1462 | device_id = MEGASAS_DEV_INDEX(scp); |
9c915a8c AR |
1463 | |
1464 | fusion = instance->ctrl_context; | |
1465 | ||
1466 | io_request = cmd->io_request; | |
94cd65dd | 1467 | io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); |
9c915a8c AR |
1468 | io_request->RaidContext.status = 0; |
1469 | io_request->RaidContext.exStatus = 0; | |
1470 | ||
1471 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
1472 | ||
1473 | start_lba_lo = 0; | |
1474 | start_lba_hi = 0; | |
1475 | fp_possible = 0; | |
1476 | ||
1477 | /* | |
1478 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1479 | */ | |
1480 | if (scp->cmd_len == 6) { | |
f9eff815 | 1481 | datalength = (u32) scp->cmnd[4]; |
9c915a8c AR |
1482 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
1483 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
1484 | ||
1485 | start_lba_lo &= 0x1FFFFF; | |
1486 | } | |
1487 | ||
1488 | /* | |
1489 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1490 | */ | |
1491 | else if (scp->cmd_len == 10) { | |
f9eff815 | 1492 | datalength = (u32) scp->cmnd[8] | |
9c915a8c AR |
1493 | ((u32) scp->cmnd[7] << 8); |
1494 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1495 | ((u32) scp->cmnd[3] << 16) | | |
1496 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1497 | } | |
1498 | ||
1499 | /* | |
1500 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1501 | */ | |
1502 | else if (scp->cmd_len == 12) { | |
f9eff815 | 1503 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c AR |
1504 | ((u32) scp->cmnd[7] << 16) | |
1505 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1506 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1507 | ((u32) scp->cmnd[3] << 16) | | |
1508 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1509 | } | |
1510 | ||
1511 | /* | |
1512 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1513 | */ | |
1514 | else if (scp->cmd_len == 16) { | |
f9eff815 | 1515 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c AR |
1516 | ((u32) scp->cmnd[11] << 16) | |
1517 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
1518 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
1519 | ((u32) scp->cmnd[7] << 16) | | |
1520 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1521 | ||
1522 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
1523 | ((u32) scp->cmnd[3] << 16) | | |
1524 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1525 | } | |
1526 | ||
1527 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
1528 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 1529 | io_info.numBlocks = datalength; |
9c915a8c | 1530 | io_info.ldTgtId = device_id; |
94cd65dd | 1531 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scp)); |
9c915a8c AR |
1532 | |
1533 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1534 | io_info.isRead = 1; | |
1535 | ||
51087a86 | 1536 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
9c915a8c AR |
1537 | |
1538 | if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >= | |
51087a86 | 1539 | instance->fw_supported_vd_count) || (!fusion->fast_path_io)) { |
9c915a8c AR |
1540 | io_request->RaidContext.regLockFlags = 0; |
1541 | fp_possible = 0; | |
1542 | } else { | |
36807e67 AR |
1543 | if (MR_BuildRaidContext(instance, &io_info, |
1544 | &io_request->RaidContext, | |
21c9e160 | 1545 | local_map_ptr, &raidLUN)) |
9c915a8c AR |
1546 | fp_possible = io_info.fpOkForIo; |
1547 | } | |
1548 | ||
16b8528d | 1549 | /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU |
c8e858fe AR |
1550 | id by default, not CPU group id, otherwise all MSI-X queues won't |
1551 | be utilized */ | |
1552 | cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ? | |
16b8528d | 1553 | raw_smp_processor_id() % instance->msix_vectors : 0; |
c8e858fe | 1554 | |
9c915a8c AR |
1555 | if (fp_possible) { |
1556 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
1557 | local_map_ptr, start_lba_lo); | |
9c915a8c AR |
1558 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
1559 | cmd->request_desc->SCSIIO.RequestFlags = | |
1560 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY | |
1561 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
21d3c710 SS |
1562 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1563 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1564 | if (io_request->RaidContext.regLockFlags == |
1565 | REGION_TYPE_UNUSED) | |
1566 | cmd->request_desc->SCSIIO.RequestFlags = | |
1567 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1568 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1569 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1570 | io_request->RaidContext.nseg = 0x1; | |
94cd65dd | 1571 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 AR |
1572 | io_request->RaidContext.regLockFlags |= |
1573 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | | |
1574 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1575 | } | |
9c915a8c AR |
1576 | if ((fusion->load_balance_info[device_id].loadBalanceFlag) && |
1577 | (io_info.isRead)) { | |
1578 | io_info.devHandle = | |
d2552ebe | 1579 | get_updated_dev_handle(instance, |
9c915a8c AR |
1580 | &fusion->load_balance_info[device_id], |
1581 | &io_info); | |
1582 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; | |
d2552ebe | 1583 | cmd->pd_r1_lb = io_info.pd_after_lb; |
9c915a8c AR |
1584 | } else |
1585 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
5765c5b8 SS |
1586 | |
1587 | if ((raidLUN[0] == 1) && | |
1588 | (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 2)) { | |
1589 | instance->dev_handle = !(instance->dev_handle); | |
1590 | io_info.devHandle = | |
1591 | local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; | |
1592 | } | |
1593 | ||
9c915a8c AR |
1594 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; |
1595 | io_request->DevHandle = io_info.devHandle; | |
21c9e160 AR |
1596 | /* populate the LUN field */ |
1597 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c AR |
1598 | } else { |
1599 | io_request->RaidContext.timeoutValue = | |
94cd65dd | 1600 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c AR |
1601 | cmd->request_desc->SCSIIO.RequestFlags = |
1602 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
1603 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
21d3c710 SS |
1604 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1605 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1606 | if (io_request->RaidContext.regLockFlags == |
1607 | REGION_TYPE_UNUSED) | |
1608 | cmd->request_desc->SCSIIO.RequestFlags = | |
1609 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1610 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1611 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1612 | io_request->RaidContext.regLockFlags |= | |
1613 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | | |
1614 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1615 | io_request->RaidContext.nseg = 0x1; | |
1616 | } | |
1617 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 1618 | io_request->DevHandle = cpu_to_le16(device_id); |
9c915a8c AR |
1619 | } /* Not FP */ |
1620 | } | |
1621 | ||
1622 | /** | |
4a5c814d | 1623 | * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk |
9c915a8c AR |
1624 | * @instance: Adapter soft state |
1625 | * @scp: SCSI command | |
1626 | * @cmd: Command to be prepared | |
1627 | * | |
4a5c814d | 1628 | * Prepares the io_request frame for non-rw io cmds for vd. |
9c915a8c | 1629 | */ |
4a5c814d SS |
1630 | static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, |
1631 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd) | |
9c915a8c AR |
1632 | { |
1633 | u32 device_id; | |
1634 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1635 | u16 pd_index = 0; | |
51087a86 | 1636 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 1637 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 | 1638 | u8 span, physArm; |
9ab9ed38 | 1639 | __le16 devHandle; |
21c9e160 AR |
1640 | u32 ld, arRef, pd; |
1641 | struct MR_LD_RAID *raid; | |
1642 | struct RAID_CONTEXT *pRAID_Context; | |
4a5c814d | 1643 | u8 fp_possible = 1; |
9c915a8c AR |
1644 | |
1645 | io_request = cmd->io_request; | |
4a5c814d SS |
1646 | device_id = MEGASAS_DEV_INDEX(scmd); |
1647 | pd_index = MEGASAS_PD_INDEX(scmd); | |
51087a86 | 1648 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
94cd65dd | 1649 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
4a5c814d SS |
1650 | /* get RAID_Context pointer */ |
1651 | pRAID_Context = &io_request->RaidContext; | |
1652 | /* Check with FW team */ | |
1653 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
1654 | pRAID_Context->regLockRowLBA = 0; | |
1655 | pRAID_Context->regLockLength = 0; | |
21c9e160 | 1656 | |
4a5c814d SS |
1657 | if (fusion->fast_path_io && ( |
1658 | device_id < instance->fw_supported_vd_count)) { | |
ab2f0608 | 1659 | |
21c9e160 | 1660 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
ab2f0608 | 1661 | if (ld >= instance->fw_supported_vd_count) |
4a5c814d | 1662 | fp_possible = 0; |
21c9e160 AR |
1663 | |
1664 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
21c9e160 | 1665 | if (!(raid->capability.fpNonRWCapable)) |
4a5c814d SS |
1666 | fp_possible = 0; |
1667 | } else | |
1668 | fp_possible = 0; | |
21c9e160 | 1669 | |
4a5c814d SS |
1670 | if (!fp_possible) { |
1671 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
1672 | io_request->DevHandle = cpu_to_le16(device_id); | |
1673 | io_request->LUN[1] = scmd->device->lun; | |
1674 | pRAID_Context->timeoutValue = | |
1675 | cpu_to_le16 (scmd->request->timeout / HZ); | |
1676 | cmd->request_desc->SCSIIO.RequestFlags = | |
1677 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
1678 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1679 | } else { | |
21c9e160 AR |
1680 | |
1681 | /* set RAID context values */ | |
4a5c814d SS |
1682 | pRAID_Context->configSeqNum = raid->seqNum; |
1683 | pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ; | |
1684 | pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd); | |
21c9e160 AR |
1685 | |
1686 | /* get the DevHandle for the PD (since this is | |
1687 | fpNonRWCapable, this is a single disk RAID0) */ | |
1688 | span = physArm = 0; | |
1689 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
1690 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
1691 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
1692 | ||
1693 | /* build request descriptor */ | |
1694 | cmd->request_desc->SCSIIO.RequestFlags = | |
1695 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
4a5c814d | 1696 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
21c9e160 AR |
1697 | cmd->request_desc->SCSIIO.DevHandle = devHandle; |
1698 | ||
1699 | /* populate the LUN field */ | |
1700 | memcpy(io_request->LUN, raid->LUN, 8); | |
1701 | ||
1702 | /* build the raidScsiIO structure */ | |
1703 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1704 | io_request->DevHandle = devHandle; | |
4a5c814d SS |
1705 | } |
1706 | } | |
21c9e160 | 1707 | |
4a5c814d SS |
1708 | /** |
1709 | * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd | |
1710 | * @instance: Adapter soft state | |
1711 | * @scp: SCSI command | |
1712 | * @cmd: Command to be prepared | |
1713 | * @fp_possible: parameter to detect fast path or firmware path io. | |
1714 | * | |
1715 | * Prepares the io_request frame for rw/non-rw io cmds for syspds | |
1716 | */ | |
1717 | static void | |
1718 | megasas_build_syspd_fusion(struct megasas_instance *instance, | |
1719 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, u8 fp_possible) | |
1720 | { | |
1721 | u32 device_id; | |
1722 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1723 | u16 pd_index = 0; | |
1724 | u16 os_timeout_value; | |
1725 | u16 timeout_limit; | |
1726 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
1727 | struct RAID_CONTEXT *pRAID_Context; | |
1728 | struct fusion_context *fusion = instance->ctrl_context; | |
1729 | ||
1730 | device_id = MEGASAS_DEV_INDEX(scmd); | |
1731 | pd_index = MEGASAS_PD_INDEX(scmd); | |
1732 | os_timeout_value = scmd->request->timeout / HZ; | |
21c9e160 | 1733 | |
4a5c814d SS |
1734 | io_request = cmd->io_request; |
1735 | /* get RAID_Context pointer */ | |
1736 | pRAID_Context = &io_request->RaidContext; | |
1737 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
1738 | io_request->LUN[1] = scmd->device->lun; | |
1739 | pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD | |
1740 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; | |
1741 | ||
1742 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
1743 | pRAID_Context->configSeqNum = 0; | |
1744 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; | |
1745 | io_request->DevHandle = | |
1746 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; | |
1747 | ||
1748 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
1749 | cmd->request_desc->SCSIIO.MSIxIndex = | |
1750 | instance->msix_vectors ? | |
1751 | (raw_smp_processor_id() % instance->msix_vectors) : 0; | |
1752 | ||
1753 | ||
1754 | if (!fp_possible) { | |
1755 | /* system pd firmware path */ | |
9c915a8c | 1756 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
9c915a8c AR |
1757 | cmd->request_desc->SCSIIO.RequestFlags = |
1758 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
4a5c814d SS |
1759 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
1760 | pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value); | |
1761 | } else { | |
1762 | /* system pd Fast Path */ | |
1763 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1764 | pRAID_Context->regLockFlags = 0; | |
1765 | pRAID_Context->regLockRowLBA = 0; | |
1766 | pRAID_Context->regLockLength = 0; | |
1767 | timeout_limit = (scmd->device->type == TYPE_DISK) ? | |
1768 | 255 : 0xFFFF; | |
1769 | pRAID_Context->timeoutValue = | |
1770 | cpu_to_le16((os_timeout_value > timeout_limit) ? | |
1771 | timeout_limit : os_timeout_value); | |
1772 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || | |
1773 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
1774 | cmd->request_desc->SCSIIO.RequestFlags |= | |
1775 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1776 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1777 | pRAID_Context->Type = MPI2_TYPE_CUDA; | |
1778 | pRAID_Context->nseg = 0x1; | |
1779 | io_request->IoFlags |= | |
1780 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
1781 | } | |
1782 | cmd->request_desc->SCSIIO.RequestFlags = | |
1783 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
1784 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
9c915a8c | 1785 | } |
9c915a8c AR |
1786 | } |
1787 | ||
1788 | /** | |
1789 | * megasas_build_io_fusion - Prepares IOs to devices | |
1790 | * @instance: Adapter soft state | |
1791 | * @scp: SCSI command | |
1792 | * @cmd: Command to be prepared | |
1793 | * | |
1794 | * Invokes helper functions to prepare request frames | |
1795 | * and sets flags appropriate for IO/Non-IO cmd | |
1796 | */ | |
1797 | int | |
1798 | megasas_build_io_fusion(struct megasas_instance *instance, | |
1799 | struct scsi_cmnd *scp, | |
1800 | struct megasas_cmd_fusion *cmd) | |
1801 | { | |
4a5c814d SS |
1802 | u32 sge_count; |
1803 | u8 cmd_type; | |
9c915a8c AR |
1804 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; |
1805 | ||
9c915a8c | 1806 | /* Zero out some fields so they don't get reused */ |
9cb78c16 | 1807 | memset(io_request->LUN, 0x0, 8); |
9c915a8c AR |
1808 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
1809 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
1810 | io_request->EEDPFlags = 0; | |
1811 | io_request->Control = 0; | |
1812 | io_request->EEDPBlockSize = 0; | |
36807e67 | 1813 | io_request->ChainOffset = 0; |
9c915a8c | 1814 | io_request->RaidContext.RAIDFlags = 0; |
36807e67 AR |
1815 | io_request->RaidContext.Type = 0; |
1816 | io_request->RaidContext.nseg = 0; | |
9c915a8c AR |
1817 | |
1818 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
1819 | /* | |
1820 | * Just the CDB length,rest of the Flags are zero | |
1821 | * This will be modified for FP in build_ldio_fusion | |
1822 | */ | |
94cd65dd | 1823 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 1824 | |
4a5c814d SS |
1825 | switch (cmd_type = megasas_cmd_type(scp)) { |
1826 | case READ_WRITE_LDIO: | |
9c915a8c | 1827 | megasas_build_ldio_fusion(instance, scp, cmd); |
4a5c814d SS |
1828 | break; |
1829 | case NON_READ_WRITE_LDIO: | |
1830 | megasas_build_ld_nonrw_fusion(instance, scp, cmd); | |
1831 | break; | |
1832 | case READ_WRITE_SYSPDIO: | |
1833 | case NON_READ_WRITE_SYSPDIO: | |
1834 | if (instance->secure_jbod_support && | |
1835 | (cmd_type == NON_READ_WRITE_SYSPDIO)) | |
1836 | megasas_build_syspd_fusion(instance, scp, cmd, 0); | |
1837 | else | |
1838 | megasas_build_syspd_fusion(instance, scp, cmd, 1); | |
1839 | break; | |
1840 | default: | |
1841 | break; | |
1842 | } | |
9c915a8c AR |
1843 | |
1844 | /* | |
1845 | * Construct SGL | |
1846 | */ | |
1847 | ||
1848 | sge_count = | |
1849 | megasas_make_sgl_fusion(instance, scp, | |
1850 | (struct MPI25_IEEE_SGE_CHAIN64 *) | |
1851 | &io_request->SGL, cmd); | |
1852 | ||
1853 | if (sge_count > instance->max_num_sge) { | |
1854 | printk(KERN_ERR "megasas: Error. sge_count (0x%x) exceeds " | |
1855 | "max (0x%x) allowed\n", sge_count, | |
1856 | instance->max_num_sge); | |
1857 | return 1; | |
1858 | } | |
1859 | ||
1860 | io_request->RaidContext.numSGE = sge_count; | |
1861 | ||
94cd65dd | 1862 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c AR |
1863 | |
1864 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
94cd65dd | 1865 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
9c915a8c | 1866 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) |
94cd65dd | 1867 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c AR |
1868 | |
1869 | io_request->SGLOffset0 = | |
1870 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
1871 | ||
94cd65dd | 1872 | io_request->SenseBufferLowAddress = cpu_to_le32(cmd->sense_phys_addr); |
9c915a8c AR |
1873 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
1874 | ||
1875 | cmd->scmd = scp; | |
1876 | scp->SCp.ptr = (char *)cmd; | |
1877 | ||
1878 | return 0; | |
1879 | } | |
1880 | ||
1881 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
1882 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) | |
1883 | { | |
1884 | u8 *p; | |
1885 | struct fusion_context *fusion; | |
1886 | ||
1887 | if (index >= instance->max_fw_cmds) { | |
1888 | printk(KERN_ERR "megasas: Invalid SMID (0x%x)request for " | |
229fe47c AR |
1889 | "descriptor for scsi%d\n", index, |
1890 | instance->host->host_no); | |
9c915a8c AR |
1891 | return NULL; |
1892 | } | |
1893 | fusion = instance->ctrl_context; | |
1894 | p = fusion->req_frames_desc | |
1895 | +sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *index; | |
1896 | ||
1897 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
1898 | } | |
1899 | ||
1900 | /** | |
1901 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
1902 | * issuing non IOCTL cmd | |
1903 | * @instance: Adapter soft state | |
1904 | * @scmd: pointer to scsi cmd from OS | |
1905 | */ | |
1906 | static u32 | |
1907 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
1908 | struct scsi_cmnd *scmd) | |
1909 | { | |
1910 | struct megasas_cmd_fusion *cmd; | |
1911 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1912 | u32 index; | |
1913 | struct fusion_context *fusion; | |
1914 | ||
1915 | fusion = instance->ctrl_context; | |
1916 | ||
4026e9aa | 1917 | cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); |
9c915a8c AR |
1918 | |
1919 | index = cmd->index; | |
1920 | ||
1921 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
1922 | if (!req_desc) | |
1923 | return 1; | |
1924 | ||
1925 | req_desc->Words = 0; | |
1926 | cmd->request_desc = req_desc; | |
9c915a8c AR |
1927 | |
1928 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
1929 | megasas_return_cmd_fusion(instance, cmd); | |
1930 | printk(KERN_ERR "megasas: Error building command.\n"); | |
1931 | cmd->request_desc = NULL; | |
1932 | return 1; | |
1933 | } | |
1934 | ||
1935 | req_desc = cmd->request_desc; | |
94cd65dd | 1936 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
1937 | |
1938 | if (cmd->io_request->ChainOffset != 0 && | |
1939 | cmd->io_request->ChainOffset != 0xF) | |
1940 | printk(KERN_ERR "megasas: The chain offset value is not " | |
1941 | "correct : %x\n", cmd->io_request->ChainOffset); | |
1942 | ||
1943 | /* | |
1944 | * Issue the command to the FW | |
1945 | */ | |
1946 | atomic_inc(&instance->fw_outstanding); | |
1947 | ||
01d7f03b | 1948 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c AR |
1949 | |
1950 | return 0; | |
1951 | } | |
1952 | ||
1953 | /** | |
1954 | * complete_cmd_fusion - Completes command | |
1955 | * @instance: Adapter soft state | |
1956 | * Completes all commands that is in reply descriptor queue | |
1957 | */ | |
1958 | int | |
c8e858fe | 1959 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c AR |
1960 | { |
1961 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
1962 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
1963 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
1964 | struct fusion_context *fusion; | |
1965 | struct megasas_cmd *cmd_mfi; | |
1966 | struct megasas_cmd_fusion *cmd_fusion; | |
1967 | u16 smid, num_completed; | |
d2552ebe | 1968 | u8 reply_descript_type; |
9c915a8c AR |
1969 | u32 status, extStatus, device_id; |
1970 | union desc_value d_val; | |
1971 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 1972 | int threshold_reply_count = 0; |
4026e9aa | 1973 | struct scsi_cmnd *scmd_local = NULL; |
9c915a8c AR |
1974 | |
1975 | fusion = instance->ctrl_context; | |
1976 | ||
1977 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) | |
1978 | return IRQ_HANDLED; | |
1979 | ||
1980 | desc = fusion->reply_frames_desc; | |
c8e858fe AR |
1981 | desc += ((MSIxIndex * fusion->reply_alloc_sz)/ |
1982 | sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)) + | |
1983 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c AR |
1984 | |
1985 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
1986 | ||
1987 | d_val.word = desc->Words; | |
1988 | ||
1989 | reply_descript_type = reply_desc->ReplyFlags & | |
1990 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
1991 | ||
1992 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
1993 | return IRQ_NONE; | |
1994 | ||
9c915a8c AR |
1995 | num_completed = 0; |
1996 | ||
c6f5bf81 CH |
1997 | while (d_val.u.low != cpu_to_le32(UINT_MAX) && |
1998 | d_val.u.high != cpu_to_le32(UINT_MAX)) { | |
94cd65dd | 1999 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c AR |
2000 | |
2001 | cmd_fusion = fusion->cmd_list[smid - 1]; | |
2002 | ||
2003 | scsi_io_req = | |
2004 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
2005 | cmd_fusion->io_request; | |
2006 | ||
2007 | if (cmd_fusion->scmd) | |
2008 | cmd_fusion->scmd->SCp.ptr = NULL; | |
2009 | ||
4026e9aa | 2010 | scmd_local = cmd_fusion->scmd; |
9c915a8c AR |
2011 | status = scsi_io_req->RaidContext.status; |
2012 | extStatus = scsi_io_req->RaidContext.exStatus; | |
2013 | ||
2014 | switch (scsi_io_req->Function) { | |
2015 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ | |
2016 | /* Update load balancing info */ | |
4026e9aa | 2017 | device_id = MEGASAS_DEV_INDEX(scmd_local); |
9c915a8c AR |
2018 | lbinfo = &fusion->load_balance_info[device_id]; |
2019 | if (cmd_fusion->scmd->SCp.Status & | |
2020 | MEGASAS_LOAD_BALANCE_FLAG) { | |
d2552ebe | 2021 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
9c915a8c AR |
2022 | cmd_fusion->scmd->SCp.Status &= |
2023 | ~MEGASAS_LOAD_BALANCE_FLAG; | |
2024 | } | |
2025 | if (reply_descript_type == | |
2026 | MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) { | |
2027 | if (megasas_dbg_lvl == 5) | |
2028 | printk(KERN_ERR "\nmegasas: FAST Path " | |
2029 | "IO Success\n"); | |
2030 | } | |
2031 | /* Fall thru and complete IO */ | |
2032 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ | |
2033 | /* Map the FW Cmd Status */ | |
2034 | map_cmd_status(cmd_fusion, status, extStatus); | |
9c915a8c AR |
2035 | scsi_io_req->RaidContext.status = 0; |
2036 | scsi_io_req->RaidContext.exStatus = 0; | |
2037 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
4026e9aa SS |
2038 | scsi_dma_unmap(scmd_local); |
2039 | scmd_local->scsi_done(scmd_local); | |
9c915a8c AR |
2040 | atomic_dec(&instance->fw_outstanding); |
2041 | ||
2042 | break; | |
2043 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
2044 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
90dc9d98 | 2045 | |
4026e9aa SS |
2046 | /* Poll mode. Dummy free. |
2047 | * In case of Interrupt mode, caller has reverse check. | |
2048 | */ | |
2049 | if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { | |
2050 | cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; | |
2051 | megasas_return_cmd(instance, cmd_mfi); | |
2052 | } else | |
2053 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
9c915a8c AR |
2054 | break; |
2055 | } | |
2056 | ||
c8e858fe AR |
2057 | fusion->last_reply_idx[MSIxIndex]++; |
2058 | if (fusion->last_reply_idx[MSIxIndex] >= | |
2059 | fusion->reply_q_depth) | |
2060 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c | 2061 | |
c6f5bf81 | 2062 | desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 2063 | num_completed++; |
db4fc864 | 2064 | threshold_reply_count++; |
9c915a8c AR |
2065 | |
2066 | /* Get the next reply descriptor */ | |
c8e858fe AR |
2067 | if (!fusion->last_reply_idx[MSIxIndex]) |
2068 | desc = fusion->reply_frames_desc + | |
2069 | ((MSIxIndex * fusion->reply_alloc_sz)/ | |
2070 | sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)); | |
9c915a8c AR |
2071 | else |
2072 | desc++; | |
2073 | ||
2074 | reply_desc = | |
2075 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2076 | ||
2077 | d_val.word = desc->Words; | |
2078 | ||
2079 | reply_descript_type = reply_desc->ReplyFlags & | |
2080 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2081 | ||
2082 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2083 | break; | |
db4fc864 SS |
2084 | /* |
2085 | * Write to reply post host index register after completing threshold | |
2086 | * number of reply counts and still there are more replies in reply queue | |
2087 | * pending to be completed | |
2088 | */ | |
2089 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
2090 | if ((instance->pdev->device == | |
2091 | PCI_DEVICE_ID_LSI_INVADER) || | |
2092 | (instance->pdev->device == | |
2093 | PCI_DEVICE_ID_LSI_FURY)) | |
2094 | writel(((MSIxIndex & 0x7) << 24) | | |
2095 | fusion->last_reply_idx[MSIxIndex], | |
2096 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2097 | else | |
2098 | writel((MSIxIndex << 24) | | |
2099 | fusion->last_reply_idx[MSIxIndex], | |
2100 | instance->reply_post_host_index_addr[0]); | |
2101 | threshold_reply_count = 0; | |
2102 | } | |
9c915a8c AR |
2103 | } |
2104 | ||
2105 | if (!num_completed) | |
2106 | return IRQ_NONE; | |
2107 | ||
2108 | wmb(); | |
d46a3ad6 SS |
2109 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
2110 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
2111 | writel(((MSIxIndex & 0x7) << 24) | | |
2112 | fusion->last_reply_idx[MSIxIndex], | |
2113 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2114 | else | |
2115 | writel((MSIxIndex << 24) | | |
2116 | fusion->last_reply_idx[MSIxIndex], | |
2117 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 2118 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c AR |
2119 | return IRQ_HANDLED; |
2120 | } | |
2121 | ||
2122 | /** | |
2123 | * megasas_complete_cmd_dpc_fusion - Completes command | |
2124 | * @instance: Adapter soft state | |
2125 | * | |
2126 | * Tasklet to complete cmds | |
2127 | */ | |
2128 | void | |
2129 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
2130 | { | |
2131 | struct megasas_instance *instance = | |
2132 | (struct megasas_instance *)instance_addr; | |
2133 | unsigned long flags; | |
c8e858fe AR |
2134 | u32 count, MSIxIndex; |
2135 | ||
2136 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c AR |
2137 | |
2138 | /* If we have already declared adapter dead, donot complete cmds */ | |
2139 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2140 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { | |
2141 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2142 | return; | |
2143 | } | |
2144 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2145 | ||
c8e858fe AR |
2146 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
2147 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c AR |
2148 | } |
2149 | ||
2150 | /** | |
2151 | * megasas_isr_fusion - isr entry point | |
2152 | */ | |
2153 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
2154 | { | |
c8e858fe AR |
2155 | struct megasas_irq_context *irq_context = devp; |
2156 | struct megasas_instance *instance = irq_context->instance; | |
fc62b3fc | 2157 | u32 mfiStatus, fw_state, dma_state; |
9c915a8c | 2158 | |
d46a3ad6 SS |
2159 | if (instance->mask_interrupts) |
2160 | return IRQ_NONE; | |
2161 | ||
c8e858fe | 2162 | if (!instance->msix_vectors) { |
9c915a8c AR |
2163 | mfiStatus = instance->instancet->clear_intr(instance->reg_set); |
2164 | if (!mfiStatus) | |
2165 | return IRQ_NONE; | |
2166 | } | |
2167 | ||
2168 | /* If we are resetting, bail */ | |
6497b247 AR |
2169 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
2170 | instance->instancet->clear_intr(instance->reg_set); | |
9c915a8c | 2171 | return IRQ_HANDLED; |
6497b247 | 2172 | } |
9c915a8c | 2173 | |
c8e858fe | 2174 | if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) { |
6497b247 | 2175 | instance->instancet->clear_intr(instance->reg_set); |
9c915a8c AR |
2176 | /* If we didn't complete any commands, check for FW fault */ |
2177 | fw_state = instance->instancet->read_fw_status_reg( | |
2178 | instance->reg_set) & MFI_STATE_MASK; | |
fc62b3fc SS |
2179 | dma_state = instance->instancet->read_fw_status_reg |
2180 | (instance->reg_set) & MFI_STATE_DMADONE; | |
2181 | if (instance->crash_dump_drv_support && | |
2182 | instance->crash_dump_app_support) { | |
2183 | /* Start collecting crash, if DMA bit is done */ | |
2184 | if ((fw_state == MFI_STATE_FAULT) && dma_state) | |
2185 | schedule_work(&instance->crash_init); | |
2186 | else if (fw_state == MFI_STATE_FAULT) | |
2187 | schedule_work(&instance->work_init); | |
2188 | } else if (fw_state == MFI_STATE_FAULT) { | |
229fe47c AR |
2189 | printk(KERN_WARNING "megaraid_sas: Iop2SysDoorbellInt" |
2190 | "for scsi%d\n", instance->host->host_no); | |
9c915a8c | 2191 | schedule_work(&instance->work_init); |
229fe47c | 2192 | } |
9c915a8c AR |
2193 | } |
2194 | ||
2195 | return IRQ_HANDLED; | |
2196 | } | |
2197 | ||
2198 | /** | |
2199 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
2200 | * @instance: Adapter soft state | |
2201 | * mfi_cmd: megasas_cmd pointer | |
2202 | * | |
2203 | */ | |
2204 | u8 | |
2205 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, | |
2206 | struct megasas_cmd *mfi_cmd) | |
2207 | { | |
2208 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
2209 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
2210 | struct megasas_cmd_fusion *cmd; | |
2211 | struct fusion_context *fusion; | |
2212 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
2213 | ||
4026e9aa SS |
2214 | fusion = instance->ctrl_context; |
2215 | ||
2216 | cmd = megasas_get_cmd_fusion(instance, | |
2217 | instance->max_scsi_cmds + mfi_cmd->index); | |
9c915a8c AR |
2218 | |
2219 | /* Save the smid. To be used for returning the cmd */ | |
2220 | mfi_cmd->context.smid = cmd->index; | |
90dc9d98 | 2221 | |
9c915a8c AR |
2222 | /* |
2223 | * For cmds where the flag is set, store the flag and check | |
2224 | * on completion. For cmds with this flag, don't call | |
2225 | * megasas_complete_cmd | |
2226 | */ | |
2227 | ||
6e755ddc | 2228 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
4026e9aa | 2229 | mfi_cmd->flags |= DRV_DCMD_POLLED_MODE; |
9c915a8c | 2230 | |
9c915a8c | 2231 | io_req = cmd->io_request; |
36807e67 | 2232 | |
21d3c710 SS |
2233 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
2234 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
2235 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
2236 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
2237 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2238 | sgl_ptr_end->Flags = 0; | |
2239 | } | |
2240 | ||
9c915a8c AR |
2241 | mpi25_ieee_chain = |
2242 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
2243 | ||
2244 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
2245 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
2246 | SGL) / 4; | |
2247 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
2248 | ||
94cd65dd | 2249 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c AR |
2250 | |
2251 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2252 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
2253 | ||
94cd65dd | 2254 | mpi25_ieee_chain->Length = cpu_to_le32(MEGASAS_MAX_SZ_CHAIN_FRAME); |
9c915a8c AR |
2255 | |
2256 | return 0; | |
2257 | } | |
2258 | ||
2259 | /** | |
2260 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
2261 | * @instance: Adapter soft state | |
2262 | * @cmd: mfi cmd to build | |
2263 | * | |
2264 | */ | |
2265 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2266 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2267 | { | |
2268 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2269 | u16 index; | |
2270 | ||
2271 | if (build_mpt_mfi_pass_thru(instance, cmd)) { | |
2272 | printk(KERN_ERR "Couldn't build MFI pass thru cmd\n"); | |
2273 | return NULL; | |
2274 | } | |
2275 | ||
2276 | index = cmd->context.smid; | |
2277 | ||
2278 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
2279 | ||
2280 | if (!req_desc) | |
2281 | return NULL; | |
2282 | ||
2283 | req_desc->Words = 0; | |
2284 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2285 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2286 | ||
94cd65dd | 2287 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
2288 | |
2289 | return req_desc; | |
2290 | } | |
2291 | ||
2292 | /** | |
2293 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
2294 | * @instance: Adapter soft state | |
2295 | * @cmd: mfi cmd pointer | |
2296 | * | |
2297 | */ | |
2298 | void | |
2299 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, | |
2300 | struct megasas_cmd *cmd) | |
2301 | { | |
2302 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c AR |
2303 | |
2304 | req_desc = build_mpt_cmd(instance, cmd); | |
2305 | if (!req_desc) { | |
2306 | printk(KERN_ERR "Couldn't issue MFI pass thru cmd\n"); | |
2307 | return; | |
2308 | } | |
01d7f03b | 2309 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c AR |
2310 | } |
2311 | ||
2312 | /** | |
2313 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 2314 | * @instance: Adapter soft state |
9c915a8c AR |
2315 | */ |
2316 | void | |
2317 | megasas_release_fusion(struct megasas_instance *instance) | |
2318 | { | |
2319 | megasas_free_cmds(instance); | |
2320 | megasas_free_cmds_fusion(instance); | |
2321 | ||
2322 | iounmap(instance->reg_set); | |
2323 | ||
2324 | pci_release_selected_regions(instance->pdev, instance->bar); | |
2325 | } | |
2326 | ||
2327 | /** | |
2328 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
2329 | * @regs: MFI register set | |
2330 | */ | |
2331 | static u32 | |
2332 | megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs) | |
2333 | { | |
2334 | return readl(&(regs)->outbound_scratch_pad); | |
2335 | } | |
2336 | ||
fc62b3fc SS |
2337 | /** |
2338 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2339 | * @instance: Controller's soft instance | |
2340 | * return: Number of allocated host crash buffers | |
2341 | */ | |
2342 | static void | |
2343 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
2344 | { | |
2345 | unsigned int i; | |
2346 | ||
2347 | instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE); | |
2348 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { | |
2349 | instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL, | |
2350 | instance->crash_buf_pages); | |
2351 | if (!instance->crash_buf[i]) { | |
2352 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
2353 | "memory allocation failed at index %d\n", i); | |
2354 | break; | |
2355 | } | |
d009b576 SS |
2356 | memset(instance->crash_buf[i], 0, |
2357 | ((1 << PAGE_SHIFT) << instance->crash_buf_pages)); | |
fc62b3fc SS |
2358 | } |
2359 | instance->drv_buf_alloc = i; | |
2360 | } | |
2361 | ||
2362 | /** | |
2363 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2364 | * @instance: Controller's soft instance | |
2365 | */ | |
2366 | void | |
2367 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
2368 | { | |
2369 | unsigned int i | |
2370 | ; | |
2371 | for (i = 0; i < instance->drv_buf_alloc; i++) { | |
2372 | if (instance->crash_buf[i]) | |
2373 | free_pages((ulong)instance->crash_buf[i], | |
2374 | instance->crash_buf_pages); | |
2375 | } | |
2376 | instance->drv_buf_index = 0; | |
2377 | instance->drv_buf_alloc = 0; | |
2378 | instance->fw_crash_state = UNAVAILABLE; | |
2379 | instance->fw_crash_buffer_size = 0; | |
2380 | } | |
2381 | ||
9c915a8c AR |
2382 | /** |
2383 | * megasas_adp_reset_fusion - For controller reset | |
2384 | * @regs: MFI register set | |
2385 | */ | |
2386 | static int | |
2387 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
2388 | struct megasas_register_set __iomem *regs) | |
2389 | { | |
2390 | return 0; | |
2391 | } | |
2392 | ||
2393 | /** | |
2394 | * megasas_check_reset_fusion - For controller reset check | |
2395 | * @regs: MFI register set | |
2396 | */ | |
2397 | static int | |
2398 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
2399 | struct megasas_register_set __iomem *regs) | |
2400 | { | |
2401 | return 0; | |
2402 | } | |
2403 | ||
2404 | /* This function waits for outstanding commands on fusion to complete */ | |
229fe47c AR |
2405 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
2406 | int iotimeout, int *convert) | |
9c915a8c | 2407 | { |
229fe47c | 2408 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 2409 | u32 fw_state; |
9c915a8c | 2410 | |
c007b8b2 | 2411 | for (i = 0; i < resetwaittime; i++) { |
9c915a8c AR |
2412 | /* Check if firmware is in fault state */ |
2413 | fw_state = instance->instancet->read_fw_status_reg( | |
2414 | instance->reg_set) & MFI_STATE_MASK; | |
2415 | if (fw_state == MFI_STATE_FAULT) { | |
2416 | printk(KERN_WARNING "megasas: Found FW in FAULT state," | |
229fe47c AR |
2417 | " will reset adapter scsi%d.\n", |
2418 | instance->host->host_no); | |
2419 | retval = 1; | |
2420 | goto out; | |
2421 | } | |
2422 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ | |
2423 | if (instance->requestorId && !iotimeout) { | |
9c915a8c AR |
2424 | retval = 1; |
2425 | goto out; | |
2426 | } | |
2427 | ||
229fe47c AR |
2428 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
2429 | if (instance->requestorId && iotimeout) { | |
2430 | if (instance->hb_host_mem->HB.fwCounter != | |
2431 | instance->hb_host_mem->HB.driverCounter) { | |
2432 | instance->hb_host_mem->HB.driverCounter = | |
2433 | instance->hb_host_mem->HB.fwCounter; | |
2434 | hb_seconds_missed = 0; | |
2435 | } else { | |
2436 | hb_seconds_missed++; | |
2437 | if (hb_seconds_missed == | |
2438 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
2439 | printk(KERN_WARNING "megasas: SR-IOV:" | |
2440 | " Heartbeat never completed " | |
2441 | " while polling during I/O " | |
2442 | " timeout handling for " | |
2443 | "scsi%d.\n", | |
2444 | instance->host->host_no); | |
2445 | *convert = 1; | |
2446 | retval = 1; | |
2447 | goto out; | |
2448 | } | |
2449 | } | |
2450 | } | |
2451 | ||
9c915a8c AR |
2452 | outstanding = atomic_read(&instance->fw_outstanding); |
2453 | if (!outstanding) | |
2454 | goto out; | |
2455 | ||
2456 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
2457 | printk(KERN_NOTICE "megasas: [%2d]waiting for %d " | |
229fe47c AR |
2458 | "commands to complete for scsi%d\n", i, |
2459 | outstanding, instance->host->host_no); | |
9c915a8c AR |
2460 | megasas_complete_cmd_dpc_fusion( |
2461 | (unsigned long)instance); | |
2462 | } | |
2463 | msleep(1000); | |
2464 | } | |
2465 | ||
2466 | if (atomic_read(&instance->fw_outstanding)) { | |
2467 | printk("megaraid_sas: pending commands remain after waiting, " | |
229fe47c AR |
2468 | "will reset adapter scsi%d.\n", |
2469 | instance->host->host_no); | |
9c915a8c AR |
2470 | retval = 1; |
2471 | } | |
2472 | out: | |
2473 | return retval; | |
2474 | } | |
2475 | ||
2476 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
2477 | { | |
c8e858fe | 2478 | int i, count; |
9c915a8c AR |
2479 | struct fusion_context *fusion; |
2480 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
2481 | ||
2482 | fusion = instance->ctrl_context; | |
c8e858fe AR |
2483 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
2484 | for (i = 0 ; i < count ; i++) | |
2485 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 2486 | reply_desc = fusion->reply_frames_desc; |
c8e858fe | 2487 | for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 2488 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c AR |
2489 | } |
2490 | ||
9b828182 SS |
2491 | /* |
2492 | * megasas_refire_mgmt_cmd : Re-fire management commands | |
2493 | * @instance: Controller's soft instance | |
2494 | */ | |
2495 | void megasas_refire_mgmt_cmd(struct megasas_instance *instance) | |
2496 | { | |
2497 | int j; | |
2498 | struct megasas_cmd_fusion *cmd_fusion; | |
2499 | struct fusion_context *fusion; | |
2500 | struct megasas_cmd *cmd_mfi; | |
2501 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2502 | u16 smid; | |
2503 | ||
2504 | fusion = instance->ctrl_context; | |
2505 | ||
2506 | /* Re-fire management commands. | |
2507 | * Do not traverse complet MPT frame pool. Start from max_scsi_cmds. | |
2508 | */ | |
2509 | for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) { | |
2510 | cmd_fusion = fusion->cmd_list[j]; | |
2511 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
2512 | smid = le16_to_cpu(cmd_mfi->context.smid); | |
2513 | ||
2514 | if (!smid) | |
2515 | continue; | |
2516 | req_desc = megasas_get_request_descriptor | |
2517 | (instance, smid - 1); | |
2518 | if (req_desc && (cmd_mfi->frame->dcmd.opcode != | |
01d7f03b CH |
2519 | cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO))) |
2520 | megasas_fire_cmd_fusion(instance, req_desc); | |
2521 | else | |
9b828182 SS |
2522 | megasas_return_cmd(instance, cmd_mfi); |
2523 | } | |
9c915a8c AR |
2524 | } |
2525 | ||
229fe47c AR |
2526 | /* Check for a second path that is currently UP */ |
2527 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
2528 | struct scsi_cmnd *scmd) | |
2529 | { | |
2530 | int i, j, retval = (DID_RESET << 16); | |
2531 | ||
2532 | if (instance->mpio && instance->requestorId) { | |
2533 | for (i = 0 ; i < MAX_MGMT_ADAPTERS ; i++) | |
2534 | for (j = 0 ; j < MAX_LOGICAL_DRIVES; j++) | |
2535 | if (megasas_mgmt_info.instance[i] && | |
2536 | (megasas_mgmt_info.instance[i] != instance) && | |
2537 | megasas_mgmt_info.instance[i]->mpio && | |
2538 | megasas_mgmt_info.instance[i]->requestorId | |
2539 | && | |
2540 | (megasas_mgmt_info.instance[i]->ld_ids[j] | |
2541 | == scmd->device->id)) { | |
2542 | retval = (DID_NO_CONNECT << 16); | |
2543 | goto out; | |
2544 | } | |
2545 | } | |
2546 | out: | |
2547 | return retval; | |
2548 | } | |
2549 | ||
9c915a8c | 2550 | /* Core fusion reset function */ |
229fe47c | 2551 | int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) |
9c915a8c | 2552 | { |
9b828182 | 2553 | int retval = SUCCESS, i, retry = 0, convert = 0; |
9c915a8c AR |
2554 | struct megasas_instance *instance; |
2555 | struct megasas_cmd_fusion *cmd_fusion; | |
2556 | struct fusion_context *fusion; | |
7e70e733 | 2557 | u32 host_diag, abs_state, status_reg, reset_adapter; |
fc62b3fc | 2558 | u32 io_timeout_in_crash_mode = 0; |
4026e9aa | 2559 | struct scsi_cmnd *scmd_local = NULL; |
9c915a8c AR |
2560 | |
2561 | instance = (struct megasas_instance *)shost->hostdata; | |
2562 | fusion = instance->ctrl_context; | |
2563 | ||
229fe47c AR |
2564 | mutex_lock(&instance->reset_mutex); |
2565 | ||
9c915a8c AR |
2566 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
2567 | printk(KERN_WARNING "megaraid_sas: Hardware critical error, " | |
229fe47c AR |
2568 | "returning FAILED for scsi%d.\n", |
2569 | instance->host->host_no); | |
a2fbcbc3 | 2570 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 2571 | return FAILED; |
9c915a8c | 2572 | } |
fc62b3fc SS |
2573 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); |
2574 | abs_state = status_reg & MFI_STATE_MASK; | |
2575 | ||
2576 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
2577 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
2578 | instance->crash_dump_app_support && iotimeout) { | |
2579 | dev_info(&instance->pdev->dev, "IO timeout is detected, " | |
2580 | "forcibly FAULT Firmware\n"); | |
2581 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; | |
2582 | status_reg = readl(&instance->reg_set->doorbell); | |
2583 | writel(status_reg | MFI_STATE_FORCE_OCR, | |
2584 | &instance->reg_set->doorbell); | |
2585 | readl(&instance->reg_set->doorbell); | |
2586 | mutex_unlock(&instance->reset_mutex); | |
2587 | do { | |
2588 | ssleep(3); | |
2589 | io_timeout_in_crash_mode++; | |
2590 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
2591 | "seconds for crash dump collection and OCR " | |
2592 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
2593 | } while ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && | |
2594 | (io_timeout_in_crash_mode < 80)); | |
2595 | ||
2596 | if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { | |
2597 | dev_info(&instance->pdev->dev, "OCR done for IO " | |
2598 | "timeout case\n"); | |
2599 | retval = SUCCESS; | |
2600 | } else { | |
2601 | dev_info(&instance->pdev->dev, "Controller is not " | |
2602 | "operational after 240 seconds wait for IO " | |
2603 | "timeout case in FW crash dump mode\n do " | |
2604 | "OCR/kill adapter\n"); | |
2605 | retval = megasas_reset_fusion(shost, 0); | |
2606 | } | |
2607 | return retval; | |
2608 | } | |
9c915a8c | 2609 | |
229fe47c AR |
2610 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
2611 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 2612 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
229fe47c | 2613 | instance->adprecovery = MEGASAS_ADPRESET_SM_POLLING; |
d46a3ad6 | 2614 | instance->instancet->disable_intr(instance); |
7e70e733 AR |
2615 | msleep(1000); |
2616 | ||
9c915a8c | 2617 | /* First try waiting for commands to complete */ |
229fe47c AR |
2618 | if (megasas_wait_for_outstanding_fusion(instance, iotimeout, |
2619 | &convert)) { | |
2620 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; | |
9c915a8c | 2621 | printk(KERN_WARNING "megaraid_sas: resetting fusion " |
229fe47c AR |
2622 | "adapter scsi%d.\n", instance->host->host_no); |
2623 | if (convert) | |
2624 | iotimeout = 0; | |
2625 | ||
9c915a8c | 2626 | /* Now return commands back to the OS */ |
4026e9aa | 2627 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { |
9c915a8c | 2628 | cmd_fusion = fusion->cmd_list[i]; |
4026e9aa | 2629 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 2630 | if (cmd_fusion->scmd) { |
4026e9aa | 2631 | scmd_local->result = |
229fe47c | 2632 | megasas_check_mpio_paths(instance, |
4026e9aa | 2633 | scmd_local); |
9c915a8c | 2634 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
2635 | scsi_dma_unmap(scmd_local); |
2636 | scmd_local->scsi_done(scmd_local); | |
9c915a8c AR |
2637 | atomic_dec(&instance->fw_outstanding); |
2638 | } | |
2639 | } | |
2640 | ||
7e70e733 AR |
2641 | status_reg = instance->instancet->read_fw_status_reg( |
2642 | instance->reg_set); | |
2643 | abs_state = status_reg & MFI_STATE_MASK; | |
2644 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
2645 | if (instance->disableOnlineCtrlReset || | |
2646 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c AR |
2647 | /* Reset not supported, kill adapter */ |
2648 | printk(KERN_WARNING "megaraid_sas: Reset not supported" | |
229fe47c AR |
2649 | ", killing adapter scsi%d.\n", |
2650 | instance->host->host_no); | |
9c915a8c | 2651 | megaraid_sas_kill_hba(instance); |
229fe47c | 2652 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
2653 | retval = FAILED; |
2654 | goto out; | |
2655 | } | |
2656 | ||
229fe47c AR |
2657 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
2658 | if (instance->requestorId && !iotimeout) { | |
2659 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); | |
2660 | /* Look for a late HB update after VF settle time */ | |
2661 | if (abs_state == MFI_STATE_OPERATIONAL && | |
2662 | (instance->hb_host_mem->HB.fwCounter != | |
2663 | instance->hb_host_mem->HB.driverCounter)) { | |
2664 | instance->hb_host_mem->HB.driverCounter = | |
2665 | instance->hb_host_mem->HB.fwCounter; | |
2666 | printk(KERN_WARNING "megasas: SR-IOV:" | |
2667 | "Late FW heartbeat update for " | |
2668 | "scsi%d.\n", | |
2669 | instance->host->host_no); | |
2670 | } else { | |
2671 | /* In VF mode, first poll for FW ready */ | |
2672 | for (i = 0; | |
2673 | i < (MEGASAS_RESET_WAIT_TIME * 1000); | |
2674 | i += 20) { | |
2675 | status_reg = | |
2676 | instance->instancet-> | |
2677 | read_fw_status_reg( | |
2678 | instance->reg_set); | |
2679 | abs_state = status_reg & | |
2680 | MFI_STATE_MASK; | |
2681 | if (abs_state == MFI_STATE_READY) { | |
2682 | printk(KERN_WARNING "megasas" | |
2683 | ": SR-IOV: FW was found" | |
2684 | "to be in ready state " | |
2685 | "for scsi%d.\n", | |
2686 | instance->host->host_no); | |
2687 | break; | |
2688 | } | |
2689 | msleep(20); | |
2690 | } | |
2691 | if (abs_state != MFI_STATE_READY) { | |
2692 | printk(KERN_WARNING "megasas: SR-IOV: " | |
2693 | "FW not in ready state after %d" | |
2694 | " seconds for scsi%d, status_reg = " | |
2695 | "0x%x.\n", | |
2696 | MEGASAS_RESET_WAIT_TIME, | |
2697 | instance->host->host_no, | |
2698 | status_reg); | |
2699 | megaraid_sas_kill_hba(instance); | |
2700 | instance->skip_heartbeat_timer_del = 1; | |
2701 | instance->adprecovery = | |
2702 | MEGASAS_HW_CRITICAL_ERROR; | |
2703 | retval = FAILED; | |
2704 | goto out; | |
2705 | } | |
2706 | } | |
2707 | } | |
2708 | ||
9c915a8c AR |
2709 | /* Now try to reset the chip */ |
2710 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
2711 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, | |
2712 | &instance->reg_set->fusion_seq_offset); | |
2713 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, | |
2714 | &instance->reg_set->fusion_seq_offset); | |
2715 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, | |
2716 | &instance->reg_set->fusion_seq_offset); | |
2717 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, | |
2718 | &instance->reg_set->fusion_seq_offset); | |
2719 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, | |
2720 | &instance->reg_set->fusion_seq_offset); | |
2721 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, | |
2722 | &instance->reg_set->fusion_seq_offset); | |
2723 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, | |
2724 | &instance->reg_set->fusion_seq_offset); | |
2725 | ||
2726 | /* Check that the diag write enable (DRWE) bit is on */ | |
2727 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
7e70e733 | 2728 | retry = 0; |
9c915a8c AR |
2729 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { |
2730 | msleep(100); | |
2731 | host_diag = | |
2732 | readl(&instance->reg_set->fusion_host_diag); | |
2733 | if (retry++ == 100) { | |
2734 | printk(KERN_WARNING "megaraid_sas: " | |
229fe47c AR |
2735 | "Host diag unlock failed! " |
2736 | "for scsi%d\n", | |
2737 | instance->host->host_no); | |
9c915a8c AR |
2738 | break; |
2739 | } | |
2740 | } | |
2741 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
2742 | continue; | |
2743 | ||
2744 | /* Send chip reset command */ | |
2745 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
2746 | &instance->reg_set->fusion_host_diag); | |
2747 | msleep(3000); | |
2748 | ||
2749 | /* Make sure reset adapter bit is cleared */ | |
2750 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2751 | retry = 0; | |
2752 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
2753 | msleep(100); | |
2754 | host_diag = | |
2755 | readl(&instance->reg_set->fusion_host_diag); | |
2756 | if (retry++ == 1000) { | |
2757 | printk(KERN_WARNING "megaraid_sas: " | |
2758 | "Diag reset adapter never " | |
229fe47c AR |
2759 | "cleared for scsi%d!\n", |
2760 | instance->host->host_no); | |
9c915a8c AR |
2761 | break; |
2762 | } | |
2763 | } | |
2764 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
2765 | continue; | |
2766 | ||
2767 | abs_state = | |
2768 | instance->instancet->read_fw_status_reg( | |
7e70e733 | 2769 | instance->reg_set) & MFI_STATE_MASK; |
9c915a8c AR |
2770 | retry = 0; |
2771 | ||
2772 | while ((abs_state <= MFI_STATE_FW_INIT) && | |
2773 | (retry++ < 1000)) { | |
2774 | msleep(100); | |
2775 | abs_state = | |
2776 | instance->instancet->read_fw_status_reg( | |
7e70e733 | 2777 | instance->reg_set) & MFI_STATE_MASK; |
9c915a8c AR |
2778 | } |
2779 | if (abs_state <= MFI_STATE_FW_INIT) { | |
2780 | printk(KERN_WARNING "megaraid_sas: firmware " | |
2781 | "state < MFI_STATE_FW_INIT, state = " | |
229fe47c AR |
2782 | "0x%x for scsi%d\n", abs_state, |
2783 | instance->host->host_no); | |
9c915a8c AR |
2784 | continue; |
2785 | } | |
2786 | ||
2787 | /* Wait for FW to become ready */ | |
058a8fac | 2788 | if (megasas_transition_to_ready(instance, 1)) { |
9c915a8c | 2789 | printk(KERN_WARNING "megaraid_sas: Failed to " |
229fe47c AR |
2790 | "transition controller to ready " |
2791 | "for scsi%d.\n", | |
2792 | instance->host->host_no); | |
9c915a8c AR |
2793 | continue; |
2794 | } | |
2795 | ||
2796 | megasas_reset_reply_desc(instance); | |
2797 | if (megasas_ioc_init_fusion(instance)) { | |
2798 | printk(KERN_WARNING "megaraid_sas: " | |
229fe47c AR |
2799 | "megasas_ioc_init_fusion() failed!" |
2800 | " for scsi%d\n", | |
2801 | instance->host->host_no); | |
9c915a8c AR |
2802 | continue; |
2803 | } | |
2804 | ||
9b828182 | 2805 | megasas_refire_mgmt_cmd(instance); |
9c915a8c | 2806 | |
d009b576 SS |
2807 | if (megasas_get_ctrl_info(instance)) { |
2808 | dev_info(&instance->pdev->dev, | |
2809 | "Failed from %s %d\n", | |
2810 | __func__, __LINE__); | |
d009b576 SS |
2811 | megaraid_sas_kill_hba(instance); |
2812 | retval = FAILED; | |
2813 | } | |
9c915a8c AR |
2814 | /* Reset load balance info */ |
2815 | memset(fusion->load_balance_info, 0, | |
2816 | sizeof(struct LD_LOAD_BALANCE_INFO) | |
51087a86 | 2817 | *MAX_LOGICAL_DRIVES_EXT); |
9c915a8c AR |
2818 | |
2819 | if (!megasas_get_map_info(instance)) | |
2820 | megasas_sync_map_info(instance); | |
2821 | ||
ac340c5f SS |
2822 | clear_bit(MEGASAS_FUSION_IN_RESET, |
2823 | &instance->reset_flags); | |
2824 | instance->instancet->enable_intr(instance); | |
2825 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; | |
2826 | ||
229fe47c AR |
2827 | /* Restart SR-IOV heartbeat */ |
2828 | if (instance->requestorId) { | |
2829 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
2830 | megasas_start_timer(instance, | |
2831 | &instance->sriov_heartbeat_timer, | |
2832 | megasas_sriov_heartbeat_handler, | |
2833 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2834 | else | |
2835 | instance->skip_heartbeat_timer_del = 1; | |
2836 | } | |
2837 | ||
9c915a8c AR |
2838 | /* Adapter reset completed successfully */ |
2839 | printk(KERN_WARNING "megaraid_sas: Reset " | |
229fe47c AR |
2840 | "successful for scsi%d.\n", |
2841 | instance->host->host_no); | |
fc62b3fc | 2842 | |
ac340c5f SS |
2843 | if (instance->crash_dump_drv_support && |
2844 | instance->crash_dump_app_support) | |
2845 | megasas_set_crash_dump_params(instance, | |
2846 | MR_CRASH_BUF_TURN_ON); | |
2847 | else | |
2848 | megasas_set_crash_dump_params(instance, | |
2849 | MR_CRASH_BUF_TURN_OFF); | |
2850 | ||
9c915a8c AR |
2851 | retval = SUCCESS; |
2852 | goto out; | |
2853 | } | |
2854 | /* Reset failed, kill the adapter */ | |
2855 | printk(KERN_WARNING "megaraid_sas: Reset failed, killing " | |
229fe47c | 2856 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 2857 | megaraid_sas_kill_hba(instance); |
229fe47c | 2858 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
2859 | retval = FAILED; |
2860 | } else { | |
229fe47c AR |
2861 | /* For VF: Restart HB timer if we didn't OCR */ |
2862 | if (instance->requestorId) { | |
2863 | megasas_start_timer(instance, | |
2864 | &instance->sriov_heartbeat_timer, | |
2865 | megasas_sriov_heartbeat_handler, | |
2866 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2867 | } | |
3f0e58bc | 2868 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 2869 | instance->instancet->enable_intr(instance); |
9c915a8c AR |
2870 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; |
2871 | } | |
2872 | out: | |
2873 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
2874 | mutex_unlock(&instance->reset_mutex); | |
2875 | return retval; | |
2876 | } | |
2877 | ||
fc62b3fc SS |
2878 | /* Fusion Crash dump collection work queue */ |
2879 | void megasas_fusion_crash_dump_wq(struct work_struct *work) | |
2880 | { | |
2881 | struct megasas_instance *instance = | |
2882 | container_of(work, struct megasas_instance, crash_init); | |
2883 | u32 status_reg; | |
2884 | u8 partial_copy = 0; | |
2885 | ||
2886 | ||
2887 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); | |
2888 | ||
2889 | /* | |
2890 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
2891 | * to host crash buffers | |
2892 | */ | |
2893 | if (instance->drv_buf_index == 0) { | |
2894 | /* Buffer is already allocated for old Crash dump. | |
2895 | * Do OCR and do not wait for crash dump collection | |
2896 | */ | |
2897 | if (instance->drv_buf_alloc) { | |
2898 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
2899 | "not yet copied by application, ignoring this " | |
2900 | "crash dump and initiating OCR\n"); | |
2901 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
2902 | writel(status_reg, | |
2903 | &instance->reg_set->outbound_scratch_pad); | |
2904 | readl(&instance->reg_set->outbound_scratch_pad); | |
2905 | return; | |
2906 | } | |
2907 | megasas_alloc_host_crash_buffer(instance); | |
2908 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
2909 | "allocated: %d\n", instance->drv_buf_alloc); | |
2910 | } | |
2911 | ||
2912 | /* | |
2913 | * Driver has allocated max buffers, which can be allocated | |
2914 | * and FW has more crash dump data, then driver will | |
2915 | * ignore the data. | |
2916 | */ | |
2917 | if (instance->drv_buf_index >= (instance->drv_buf_alloc)) { | |
2918 | dev_info(&instance->pdev->dev, "Driver is done copying " | |
2919 | "the buffer: %d\n", instance->drv_buf_alloc); | |
2920 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
2921 | partial_copy = 1; | |
2922 | } else { | |
2923 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
2924 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
2925 | instance->drv_buf_index++; | |
2926 | status_reg &= ~MFI_STATE_DMADONE; | |
2927 | } | |
2928 | ||
2929 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
2930 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
2931 | "of copied buffers: %d\n", instance->drv_buf_index); | |
2932 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
2933 | instance->fw_crash_state = AVAILABLE; | |
2934 | instance->drv_buf_index = 0; | |
2935 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
2936 | readl(&instance->reg_set->outbound_scratch_pad); | |
2937 | if (!partial_copy) | |
2938 | megasas_reset_fusion(instance->host, 0); | |
2939 | } else { | |
2940 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
2941 | readl(&instance->reg_set->outbound_scratch_pad); | |
2942 | } | |
2943 | } | |
2944 | ||
2945 | ||
9c915a8c AR |
2946 | /* Fusion OCR work queue */ |
2947 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
2948 | { | |
2949 | struct megasas_instance *instance = | |
2950 | container_of(work, struct megasas_instance, work_init); | |
2951 | ||
229fe47c | 2952 | megasas_reset_fusion(instance->host, 0); |
9c915a8c AR |
2953 | } |
2954 | ||
2955 | struct megasas_instance_template megasas_instance_template_fusion = { | |
9c915a8c AR |
2956 | .enable_intr = megasas_enable_intr_fusion, |
2957 | .disable_intr = megasas_disable_intr_fusion, | |
2958 | .clear_intr = megasas_clear_intr_fusion, | |
2959 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
2960 | .adp_reset = megasas_adp_reset_fusion, | |
2961 | .check_reset = megasas_check_reset_fusion, | |
2962 | .service_isr = megasas_isr_fusion, | |
2963 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
2964 | .init_adapter = megasas_init_adapter_fusion, | |
2965 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
2966 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
2967 | }; |