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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> |
9c915a8c AR |
56 | |
57 | #include "megaraid_sas_fusion.h" | |
58 | #include "megaraid_sas.h" | |
59 | ||
60 | extern void megasas_free_cmds(struct megasas_instance *instance); | |
61 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
62 | *instance); | |
63 | extern void | |
64 | megasas_complete_cmd(struct megasas_instance *instance, | |
65 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 66 | int |
229fe47c AR |
67 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
68 | int seconds); | |
9c915a8c AR |
69 | |
70 | void | |
71 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
72 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
73 | int | |
74 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs); | |
75 | int | |
76 | megasas_issue_polled(struct megasas_instance *instance, | |
77 | struct megasas_cmd *cmd); | |
53ef2bbd AR |
78 | void |
79 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
80 | ||
058a8fac | 81 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c AR |
82 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
83 | ||
84 | extern u32 megasas_dbg_lvl; | |
229fe47c AR |
85 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr); |
86 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
87 | int initial); | |
88 | void megasas_start_timer(struct megasas_instance *instance, | |
89 | struct timer_list *timer, | |
90 | void *fn, unsigned long interval); | |
91 | extern struct megasas_mgmt_info megasas_mgmt_info; | |
c007b8b2 | 92 | extern int resetwaittime; |
9c915a8c | 93 | |
fc62b3fc SS |
94 | |
95 | ||
9c915a8c AR |
96 | /** |
97 | * megasas_enable_intr_fusion - Enables interrupts | |
98 | * @regs: MFI register set | |
99 | */ | |
100 | void | |
d46a3ad6 | 101 | megasas_enable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 102 | { |
d46a3ad6 SS |
103 | struct megasas_register_set __iomem *regs; |
104 | regs = instance->reg_set; | |
c2ced171 SS |
105 | |
106 | instance->mask_interrupts = 0; | |
6497b247 AR |
107 | /* For Thunderbolt/Invader also clear intr on enable */ |
108 | writel(~0, ®s->outbound_intr_status); | |
109 | readl(®s->outbound_intr_status); | |
110 | ||
9c915a8c AR |
111 | writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); |
112 | ||
113 | /* Dummy readl to force pci flush */ | |
114 | readl(®s->outbound_intr_mask); | |
115 | } | |
116 | ||
117 | /** | |
118 | * megasas_disable_intr_fusion - Disables interrupt | |
119 | * @regs: MFI register set | |
120 | */ | |
121 | void | |
d46a3ad6 | 122 | megasas_disable_intr_fusion(struct megasas_instance *instance) |
9c915a8c AR |
123 | { |
124 | u32 mask = 0xFFFFFFFF; | |
125 | u32 status; | |
d46a3ad6 SS |
126 | struct megasas_register_set __iomem *regs; |
127 | regs = instance->reg_set; | |
128 | instance->mask_interrupts = 1; | |
9c915a8c AR |
129 | |
130 | writel(mask, ®s->outbound_intr_mask); | |
131 | /* Dummy readl to force pci flush */ | |
132 | status = readl(®s->outbound_intr_mask); | |
133 | } | |
134 | ||
135 | int | |
136 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs) | |
137 | { | |
138 | u32 status; | |
139 | /* | |
140 | * Check if it is our interrupt | |
141 | */ | |
142 | status = readl(®s->outbound_intr_status); | |
143 | ||
144 | if (status & 1) { | |
145 | writel(status, ®s->outbound_intr_status); | |
146 | readl(®s->outbound_intr_status); | |
147 | return 1; | |
148 | } | |
149 | if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) | |
150 | return 0; | |
151 | ||
9c915a8c AR |
152 | return 1; |
153 | } | |
154 | ||
155 | /** | |
156 | * megasas_get_cmd_fusion - Get a command from the free pool | |
157 | * @instance: Adapter soft state | |
158 | * | |
159 | * Returns a free command from the pool | |
160 | */ | |
161 | struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance | |
162 | *instance) | |
163 | { | |
164 | unsigned long flags; | |
165 | struct fusion_context *fusion = | |
166 | (struct fusion_context *)instance->ctrl_context; | |
167 | struct megasas_cmd_fusion *cmd = NULL; | |
168 | ||
90dc9d98 | 169 | spin_lock_irqsave(&fusion->mpt_pool_lock, flags); |
9c915a8c AR |
170 | |
171 | if (!list_empty(&fusion->cmd_pool)) { | |
172 | cmd = list_entry((&fusion->cmd_pool)->next, | |
173 | struct megasas_cmd_fusion, list); | |
174 | list_del_init(&cmd->list); | |
175 | } else { | |
176 | printk(KERN_ERR "megasas: Command pool (fusion) empty!\n"); | |
177 | } | |
178 | ||
90dc9d98 | 179 | spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags); |
9c915a8c AR |
180 | return cmd; |
181 | } | |
182 | ||
183 | /** | |
184 | * megasas_return_cmd_fusion - Return a cmd to free command pool | |
185 | * @instance: Adapter soft state | |
186 | * @cmd: Command packet to be returned to free command pool | |
187 | */ | |
90dc9d98 SS |
188 | inline void megasas_return_cmd_fusion(struct megasas_instance *instance, |
189 | struct megasas_cmd_fusion *cmd) | |
9c915a8c AR |
190 | { |
191 | unsigned long flags; | |
192 | struct fusion_context *fusion = | |
193 | (struct fusion_context *)instance->ctrl_context; | |
194 | ||
90dc9d98 | 195 | spin_lock_irqsave(&fusion->mpt_pool_lock, flags); |
9c915a8c AR |
196 | |
197 | cmd->scmd = NULL; | |
198 | cmd->sync_cmd_idx = (u32)ULONG_MAX; | |
7497cde8 | 199 | memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); |
90dc9d98 | 200 | list_add(&cmd->list, (&fusion->cmd_pool)->next); |
9c915a8c | 201 | |
90dc9d98 SS |
202 | spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags); |
203 | } | |
204 | ||
205 | /** | |
206 | * megasas_return_mfi_mpt_pthr - Return a mfi and mpt to free command pool | |
207 | * @instance: Adapter soft state | |
208 | * @cmd_mfi: MFI Command packet to be returned to free command pool | |
209 | * @cmd_mpt: MPT Command packet to be returned to free command pool | |
210 | */ | |
211 | inline void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance, | |
212 | struct megasas_cmd *cmd_mfi, | |
213 | struct megasas_cmd_fusion *cmd_fusion) | |
214 | { | |
215 | unsigned long flags; | |
216 | ||
217 | /* | |
218 | * TO DO: optimize this code and use only one lock instead of two | |
219 | * locks being used currently- mpt_pool_lock is acquired | |
220 | * inside mfi_pool_lock | |
221 | */ | |
222 | spin_lock_irqsave(&instance->mfi_pool_lock, flags); | |
223 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
224 | if (atomic_read(&cmd_mfi->mfi_mpt_pthr) != MFI_MPT_ATTACHED) | |
225 | dev_err(&instance->pdev->dev, "Possible bug from %s %d\n", | |
226 | __func__, __LINE__); | |
227 | atomic_set(&cmd_mfi->mfi_mpt_pthr, MFI_MPT_DETACHED); | |
228 | __megasas_return_cmd(instance, cmd_mfi); | |
229 | spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); | |
9c915a8c AR |
230 | } |
231 | ||
232 | /** | |
233 | * megasas_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool | |
234 | * @instance: Adapter soft state | |
235 | */ | |
236 | static void megasas_teardown_frame_pool_fusion( | |
237 | struct megasas_instance *instance) | |
238 | { | |
239 | int i; | |
240 | struct fusion_context *fusion = instance->ctrl_context; | |
241 | ||
242 | u16 max_cmd = instance->max_fw_cmds; | |
243 | ||
244 | struct megasas_cmd_fusion *cmd; | |
245 | ||
246 | if (!fusion->sg_dma_pool || !fusion->sense_dma_pool) { | |
247 | printk(KERN_ERR "megasas: dma pool is null. SG Pool %p, " | |
248 | "sense pool : %p\n", fusion->sg_dma_pool, | |
249 | fusion->sense_dma_pool); | |
250 | return; | |
251 | } | |
252 | ||
253 | /* | |
254 | * Return all frames to pool | |
255 | */ | |
256 | for (i = 0; i < max_cmd; i++) { | |
257 | ||
258 | cmd = fusion->cmd_list[i]; | |
259 | ||
260 | if (cmd->sg_frame) | |
261 | pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, | |
262 | cmd->sg_frame_phys_addr); | |
263 | ||
264 | if (cmd->sense) | |
265 | pci_pool_free(fusion->sense_dma_pool, cmd->sense, | |
266 | cmd->sense_phys_addr); | |
267 | } | |
268 | ||
269 | /* | |
270 | * Now destroy the pool itself | |
271 | */ | |
272 | pci_pool_destroy(fusion->sg_dma_pool); | |
273 | pci_pool_destroy(fusion->sense_dma_pool); | |
274 | ||
275 | fusion->sg_dma_pool = NULL; | |
276 | fusion->sense_dma_pool = NULL; | |
277 | } | |
278 | ||
279 | /** | |
280 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool | |
281 | * @instance: Adapter soft state | |
282 | */ | |
283 | void | |
284 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
285 | { | |
286 | int i; | |
287 | struct fusion_context *fusion = instance->ctrl_context; | |
288 | ||
289 | u32 max_cmds, req_sz, reply_sz, io_frames_sz; | |
290 | ||
291 | ||
292 | req_sz = fusion->request_alloc_sz; | |
293 | reply_sz = fusion->reply_alloc_sz; | |
294 | io_frames_sz = fusion->io_frames_alloc_sz; | |
295 | ||
296 | max_cmds = instance->max_fw_cmds; | |
297 | ||
298 | /* Free descriptors and request Frames memory */ | |
299 | if (fusion->req_frames_desc) | |
300 | dma_free_coherent(&instance->pdev->dev, req_sz, | |
301 | fusion->req_frames_desc, | |
302 | fusion->req_frames_desc_phys); | |
303 | ||
304 | if (fusion->reply_frames_desc) { | |
305 | pci_pool_free(fusion->reply_frames_desc_pool, | |
306 | fusion->reply_frames_desc, | |
307 | fusion->reply_frames_desc_phys); | |
308 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
309 | } | |
310 | ||
311 | if (fusion->io_request_frames) { | |
312 | pci_pool_free(fusion->io_request_frames_pool, | |
313 | fusion->io_request_frames, | |
314 | fusion->io_request_frames_phys); | |
315 | pci_pool_destroy(fusion->io_request_frames_pool); | |
316 | } | |
317 | ||
318 | /* Free the Fusion frame pool */ | |
319 | megasas_teardown_frame_pool_fusion(instance); | |
320 | ||
321 | /* Free all the commands in the cmd_list */ | |
322 | for (i = 0; i < max_cmds; i++) | |
323 | kfree(fusion->cmd_list[i]); | |
324 | ||
325 | /* Free the cmd_list buffer itself */ | |
326 | kfree(fusion->cmd_list); | |
327 | fusion->cmd_list = NULL; | |
328 | ||
329 | INIT_LIST_HEAD(&fusion->cmd_pool); | |
330 | } | |
331 | ||
332 | /** | |
333 | * megasas_create_frame_pool_fusion - Creates DMA pool for cmd frames | |
334 | * @instance: Adapter soft state | |
335 | * | |
336 | */ | |
337 | static int megasas_create_frame_pool_fusion(struct megasas_instance *instance) | |
338 | { | |
339 | int i; | |
340 | u32 max_cmd; | |
341 | struct fusion_context *fusion; | |
342 | struct megasas_cmd_fusion *cmd; | |
343 | u32 total_sz_chain_frame; | |
344 | ||
345 | fusion = instance->ctrl_context; | |
346 | max_cmd = instance->max_fw_cmds; | |
347 | ||
348 | total_sz_chain_frame = MEGASAS_MAX_SZ_CHAIN_FRAME; | |
349 | ||
350 | /* | |
351 | * Use DMA pool facility provided by PCI layer | |
352 | */ | |
353 | ||
354 | fusion->sg_dma_pool = pci_pool_create("megasas sg pool fusion", | |
355 | instance->pdev, | |
356 | total_sz_chain_frame, 4, | |
357 | 0); | |
358 | if (!fusion->sg_dma_pool) { | |
359 | printk(KERN_DEBUG "megasas: failed to setup request pool " | |
360 | "fusion\n"); | |
361 | return -ENOMEM; | |
362 | } | |
363 | fusion->sense_dma_pool = pci_pool_create("megasas sense pool fusion", | |
364 | instance->pdev, | |
365 | SCSI_SENSE_BUFFERSIZE, 64, 0); | |
366 | ||
367 | if (!fusion->sense_dma_pool) { | |
368 | printk(KERN_DEBUG "megasas: failed to setup sense pool " | |
369 | "fusion\n"); | |
370 | pci_pool_destroy(fusion->sg_dma_pool); | |
371 | fusion->sg_dma_pool = NULL; | |
372 | return -ENOMEM; | |
373 | } | |
374 | ||
375 | /* | |
376 | * Allocate and attach a frame to each of the commands in cmd_list | |
377 | */ | |
378 | for (i = 0; i < max_cmd; i++) { | |
379 | ||
380 | cmd = fusion->cmd_list[i]; | |
381 | ||
382 | cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, | |
383 | GFP_KERNEL, | |
384 | &cmd->sg_frame_phys_addr); | |
385 | ||
386 | cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, | |
387 | GFP_KERNEL, &cmd->sense_phys_addr); | |
388 | /* | |
389 | * megasas_teardown_frame_pool_fusion() takes care of freeing | |
390 | * whatever has been allocated | |
391 | */ | |
392 | if (!cmd->sg_frame || !cmd->sense) { | |
393 | printk(KERN_DEBUG "megasas: pci_pool_alloc failed\n"); | |
394 | megasas_teardown_frame_pool_fusion(instance); | |
395 | return -ENOMEM; | |
396 | } | |
397 | } | |
398 | return 0; | |
399 | } | |
400 | ||
401 | /** | |
402 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
403 | * @instance: Adapter soft state | |
404 | * | |
405 | * | |
406 | * Each frame has a 32-bit field called context. This context is used to get | |
407 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
408 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
409 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
410 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
411 | * | |
412 | * cmds are formed in the io_request and sg_frame members of the | |
413 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
414 | * and is used as SMID of the cmd. | |
415 | * SMID value range is from 1 to max_fw_cmds. | |
416 | */ | |
417 | int | |
418 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
419 | { | |
c8e858fe | 420 | int i, j, count; |
9c915a8c AR |
421 | u32 max_cmd, io_frames_sz; |
422 | struct fusion_context *fusion; | |
423 | struct megasas_cmd_fusion *cmd; | |
424 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
425 | u32 offset; | |
426 | dma_addr_t io_req_base_phys; | |
427 | u8 *io_req_base; | |
428 | ||
429 | fusion = instance->ctrl_context; | |
430 | ||
431 | max_cmd = instance->max_fw_cmds; | |
432 | ||
433 | fusion->req_frames_desc = | |
434 | dma_alloc_coherent(&instance->pdev->dev, | |
435 | fusion->request_alloc_sz, | |
436 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
437 | ||
438 | if (!fusion->req_frames_desc) { | |
439 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
440 | "request_frames\n"); | |
441 | goto fail_req_desc; | |
442 | } | |
443 | ||
c8e858fe | 444 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c AR |
445 | fusion->reply_frames_desc_pool = |
446 | pci_pool_create("reply_frames pool", instance->pdev, | |
c8e858fe | 447 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c AR |
448 | |
449 | if (!fusion->reply_frames_desc_pool) { | |
450 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
451 | "reply_frame pool\n"); | |
452 | goto fail_reply_desc; | |
453 | } | |
454 | ||
455 | fusion->reply_frames_desc = | |
456 | pci_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL, | |
457 | &fusion->reply_frames_desc_phys); | |
458 | if (!fusion->reply_frames_desc) { | |
459 | printk(KERN_ERR "megasas; Could not allocate memory for " | |
460 | "reply_frame pool\n"); | |
461 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
462 | goto fail_reply_desc; | |
463 | } | |
464 | ||
465 | reply_desc = fusion->reply_frames_desc; | |
c8e858fe | 466 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
9c915a8c AR |
467 | reply_desc->Words = ULLONG_MAX; |
468 | ||
469 | io_frames_sz = fusion->io_frames_alloc_sz; | |
470 | ||
471 | fusion->io_request_frames_pool = | |
472 | pci_pool_create("io_request_frames pool", instance->pdev, | |
473 | fusion->io_frames_alloc_sz, 16, 0); | |
474 | ||
475 | if (!fusion->io_request_frames_pool) { | |
476 | printk(KERN_ERR "megasas: Could not allocate memory for " | |
477 | "io_request_frame pool\n"); | |
478 | goto fail_io_frames; | |
479 | } | |
480 | ||
481 | fusion->io_request_frames = | |
482 | pci_pool_alloc(fusion->io_request_frames_pool, GFP_KERNEL, | |
483 | &fusion->io_request_frames_phys); | |
484 | if (!fusion->io_request_frames) { | |
485 | printk(KERN_ERR "megasas: Could not allocate memory for " | |
486 | "io_request_frames frames\n"); | |
487 | pci_pool_destroy(fusion->io_request_frames_pool); | |
488 | goto fail_io_frames; | |
489 | } | |
490 | ||
491 | /* | |
492 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
493 | * Allocate the dynamic array first and then allocate individual | |
494 | * commands. | |
495 | */ | |
7731e6bb FW |
496 | fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) |
497 | * max_cmd, GFP_KERNEL); | |
9c915a8c AR |
498 | |
499 | if (!fusion->cmd_list) { | |
500 | printk(KERN_DEBUG "megasas: out of memory. Could not alloc " | |
501 | "memory for cmd_list_fusion\n"); | |
502 | goto fail_cmd_list; | |
503 | } | |
504 | ||
9c915a8c AR |
505 | max_cmd = instance->max_fw_cmds; |
506 | for (i = 0; i < max_cmd; i++) { | |
507 | fusion->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd_fusion), | |
508 | GFP_KERNEL); | |
509 | if (!fusion->cmd_list[i]) { | |
510 | printk(KERN_ERR "Could not alloc cmd list fusion\n"); | |
511 | ||
512 | for (j = 0; j < i; j++) | |
513 | kfree(fusion->cmd_list[j]); | |
514 | ||
515 | kfree(fusion->cmd_list); | |
516 | fusion->cmd_list = NULL; | |
517 | goto fail_cmd_list; | |
518 | } | |
519 | } | |
520 | ||
521 | /* The first 256 bytes (SMID 0) is not used. Don't add to cmd list */ | |
522 | io_req_base = fusion->io_request_frames + | |
523 | MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
524 | io_req_base_phys = fusion->io_request_frames_phys + | |
525 | MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
526 | ||
527 | /* | |
528 | * Add all the commands to command pool (fusion->cmd_pool) | |
529 | */ | |
530 | ||
531 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
532 | for (i = 0; i < max_cmd; i++) { | |
533 | cmd = fusion->cmd_list[i]; | |
534 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
535 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
536 | cmd->index = i + 1; | |
537 | cmd->scmd = NULL; | |
538 | cmd->sync_cmd_idx = (u32)ULONG_MAX; /* Set to Invalid */ | |
539 | cmd->instance = instance; | |
540 | cmd->io_request = | |
541 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
542 | (io_req_base + offset); | |
543 | memset(cmd->io_request, 0, | |
544 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
545 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
546 | ||
547 | list_add_tail(&cmd->list, &fusion->cmd_pool); | |
548 | } | |
549 | ||
550 | /* | |
551 | * Create a frame pool and assign one frame to each cmd | |
552 | */ | |
553 | if (megasas_create_frame_pool_fusion(instance)) { | |
554 | printk(KERN_DEBUG "megasas: Error creating frame DMA pool\n"); | |
555 | megasas_free_cmds_fusion(instance); | |
556 | goto fail_req_desc; | |
557 | } | |
558 | ||
559 | return 0; | |
560 | ||
561 | fail_cmd_list: | |
562 | pci_pool_free(fusion->io_request_frames_pool, fusion->io_request_frames, | |
563 | fusion->io_request_frames_phys); | |
564 | pci_pool_destroy(fusion->io_request_frames_pool); | |
565 | fail_io_frames: | |
566 | dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, | |
567 | fusion->reply_frames_desc, | |
568 | fusion->reply_frames_desc_phys); | |
569 | pci_pool_free(fusion->reply_frames_desc_pool, | |
570 | fusion->reply_frames_desc, | |
571 | fusion->reply_frames_desc_phys); | |
572 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
573 | ||
574 | fail_reply_desc: | |
575 | dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, | |
576 | fusion->req_frames_desc, | |
577 | fusion->req_frames_desc_phys); | |
578 | fail_req_desc: | |
579 | return -ENOMEM; | |
580 | } | |
581 | ||
582 | /** | |
583 | * wait_and_poll - Issues a polling command | |
584 | * @instance: Adapter soft state | |
585 | * @cmd: Command packet to be issued | |
586 | * | |
587 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
588 | */ | |
589 | int | |
229fe47c AR |
590 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
591 | int seconds) | |
9c915a8c AR |
592 | { |
593 | int i; | |
594 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 595 | struct fusion_context *fusion; |
9c915a8c | 596 | |
229fe47c | 597 | u32 msecs = seconds * 1000; |
9c915a8c | 598 | |
90dc9d98 | 599 | fusion = instance->ctrl_context; |
9c915a8c AR |
600 | /* |
601 | * Wait for cmd_status to change | |
602 | */ | |
603 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
604 | rmb(); | |
605 | msleep(20); | |
606 | } | |
607 | ||
90dc9d98 SS |
608 | if (frame_hdr->cmd_status == 0xff) { |
609 | if (fusion) | |
610 | megasas_return_mfi_mpt_pthr(instance, cmd, | |
611 | cmd->mpt_pthr_cmd_blocked); | |
9c915a8c | 612 | return -ETIME; |
90dc9d98 | 613 | } |
9c915a8c AR |
614 | |
615 | return 0; | |
616 | } | |
617 | ||
618 | /** | |
619 | * megasas_ioc_init_fusion - Initializes the FW | |
620 | * @instance: Adapter soft state | |
621 | * | |
622 | * Issues the IOC Init cmd | |
623 | */ | |
624 | int | |
625 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
626 | { | |
627 | struct megasas_init_frame *init_frame; | |
628 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage; | |
629 | dma_addr_t ioc_init_handle; | |
9c915a8c AR |
630 | struct megasas_cmd *cmd; |
631 | u8 ret; | |
632 | struct fusion_context *fusion; | |
c77a9bd8 | 633 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c AR |
634 | int i; |
635 | struct megasas_header *frame_hdr; | |
636 | ||
637 | fusion = instance->ctrl_context; | |
638 | ||
639 | cmd = megasas_get_cmd(instance); | |
640 | ||
641 | if (!cmd) { | |
642 | printk(KERN_ERR "Could not allocate cmd for INIT Frame\n"); | |
643 | ret = 1; | |
644 | goto fail_get_cmd; | |
645 | } | |
646 | ||
647 | IOCInitMessage = | |
648 | dma_alloc_coherent(&instance->pdev->dev, | |
649 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
650 | &ioc_init_handle, GFP_KERNEL); | |
651 | ||
652 | if (!IOCInitMessage) { | |
653 | printk(KERN_ERR "Could not allocate memory for " | |
654 | "IOCInitMessage\n"); | |
655 | ret = 1; | |
656 | goto fail_fw_init; | |
657 | } | |
658 | ||
659 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); | |
660 | ||
661 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
662 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
663 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
664 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
665 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
666 | ||
667 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
668 | IOCInitMessage->ReplyDescriptorPostQueueAddress = cpu_to_le64(fusion->reply_frames_desc_phys); | |
669 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); | |
5738f996 | 670 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
9c915a8c AR |
671 | init_frame = (struct megasas_init_frame *)cmd->frame; |
672 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
673 | ||
674 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 675 | frame_hdr->cmd_status = 0xFF; |
94cd65dd | 676 | frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); |
9c915a8c AR |
677 | |
678 | init_frame->cmd = MFI_CMD_INIT; | |
679 | init_frame->cmd_status = 0xFF; | |
680 | ||
d46a3ad6 SS |
681 | /* driver support Extended MSIX */ |
682 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || | |
683 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
684 | init_frame->driver_operations. | |
685 | mfi_capabilities.support_additional_msix = 1; | |
21c9e160 AR |
686 | /* driver supports HA / Remote LUN over Fast Path interface */ |
687 | init_frame->driver_operations.mfi_capabilities.support_fp_remote_lun | |
688 | = 1; | |
51087a86 SS |
689 | init_frame->driver_operations.mfi_capabilities.support_max_255lds |
690 | = 1; | |
d2552ebe SS |
691 | init_frame->driver_operations.mfi_capabilities.support_ndrive_r1_lb |
692 | = 1; | |
7497cde8 SS |
693 | init_frame->driver_operations.mfi_capabilities.security_protocol_cmds_fw |
694 | = 1; | |
94cd65dd SS |
695 | /* Convert capability to LE32 */ |
696 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 697 | |
fdc5a97c HR |
698 | init_frame->queue_info_new_phys_addr_hi = |
699 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
700 | init_frame->queue_info_new_phys_addr_lo = | |
701 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 702 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 703 | |
200aed58 SS |
704 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
705 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 706 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 707 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 708 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c AR |
709 | |
710 | /* | |
711 | * disable the intr before firing the init frame | |
712 | */ | |
d46a3ad6 | 713 | instance->instancet->disable_intr(instance); |
9c915a8c AR |
714 | |
715 | for (i = 0; i < (10 * 1000); i += 20) { | |
716 | if (readl(&instance->reg_set->doorbell) & 1) | |
717 | msleep(20); | |
718 | else | |
719 | break; | |
720 | } | |
721 | ||
c77a9bd8 AR |
722 | instance->instancet->fire_cmd(instance, req_desc.u.low, |
723 | req_desc.u.high, instance->reg_set); | |
9c915a8c | 724 | |
229fe47c | 725 | wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); |
9c915a8c AR |
726 | |
727 | frame_hdr = &cmd->frame->hdr; | |
728 | if (frame_hdr->cmd_status != 0) { | |
729 | ret = 1; | |
730 | goto fail_fw_init; | |
731 | } | |
732 | printk(KERN_ERR "megasas:IOC Init cmd success\n"); | |
733 | ||
734 | ret = 0; | |
735 | ||
736 | fail_fw_init: | |
737 | megasas_return_cmd(instance, cmd); | |
738 | if (IOCInitMessage) | |
739 | dma_free_coherent(&instance->pdev->dev, | |
740 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
741 | IOCInitMessage, ioc_init_handle); | |
742 | fail_get_cmd: | |
743 | return ret; | |
744 | } | |
745 | ||
9c915a8c AR |
746 | /* |
747 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
748 | * @instance: Adapter soft state | |
749 | * @pend: Pend the command or not | |
750 | * Issues an internal command (DCMD) to get the FW's controller PD | |
751 | * list structure. This information is mainly used to find out SYSTEM | |
752 | * supported by the FW. | |
51087a86 SS |
753 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
754 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
755 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
756 | * - 1 - pend till config change | |
757 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
758 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
759 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c AR |
760 | */ |
761 | static int | |
762 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
763 | { | |
764 | int ret = 0; | |
765 | struct megasas_cmd *cmd; | |
766 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 767 | void *ci; |
9c915a8c AR |
768 | dma_addr_t ci_h = 0; |
769 | u32 size_map_info; | |
770 | struct fusion_context *fusion; | |
771 | ||
772 | cmd = megasas_get_cmd(instance); | |
773 | ||
774 | if (!cmd) { | |
775 | printk(KERN_DEBUG "megasas: Failed to get cmd for map info.\n"); | |
776 | return -ENOMEM; | |
777 | } | |
778 | ||
779 | fusion = instance->ctrl_context; | |
780 | ||
781 | if (!fusion) { | |
782 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 783 | return -ENXIO; |
9c915a8c AR |
784 | } |
785 | ||
786 | dcmd = &cmd->frame->dcmd; | |
787 | ||
51087a86 | 788 | size_map_info = fusion->current_map_sz; |
9c915a8c | 789 | |
51087a86 | 790 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c AR |
791 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
792 | ||
793 | if (!ci) { | |
794 | printk(KERN_DEBUG "Failed to alloc mem for ld_map_info\n"); | |
795 | megasas_return_cmd(instance, cmd); | |
796 | return -ENOMEM; | |
797 | } | |
798 | ||
51087a86 | 799 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 800 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
51087a86 SS |
801 | #if VD_EXT_DEBUG |
802 | dev_dbg(&instance->pdev->dev, | |
803 | "%s sending MR_DCMD_LD_MAP_GET_INFO with size %d\n", | |
804 | __func__, cpu_to_le32(size_map_info)); | |
805 | #endif | |
9c915a8c AR |
806 | dcmd->cmd = MFI_CMD_DCMD; |
807 | dcmd->cmd_status = 0xFF; | |
808 | dcmd->sge_count = 1; | |
94cd65dd | 809 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
9c915a8c AR |
810 | dcmd->timeout = 0; |
811 | dcmd->pad_0 = 0; | |
94cd65dd SS |
812 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
813 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
814 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
815 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c | 816 | |
90dc9d98 SS |
817 | if (instance->ctrl_context && !instance->mask_interrupts) |
818 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
819 | MEGASAS_BLOCKED_CMD_TIMEOUT); | |
820 | else | |
821 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 822 | |
90dc9d98 SS |
823 | if (instance->ctrl_context && cmd->mpt_pthr_cmd_blocked) |
824 | megasas_return_mfi_mpt_pthr(instance, cmd, | |
825 | cmd->mpt_pthr_cmd_blocked); | |
826 | else | |
827 | megasas_return_cmd(instance, cmd); | |
9c915a8c AR |
828 | |
829 | return ret; | |
830 | } | |
831 | ||
832 | u8 | |
833 | megasas_get_map_info(struct megasas_instance *instance) | |
834 | { | |
835 | struct fusion_context *fusion = instance->ctrl_context; | |
836 | ||
837 | fusion->fast_path_io = 0; | |
838 | if (!megasas_get_ld_map_info(instance)) { | |
bc93d425 | 839 | if (MR_ValidateMapInfo(instance)) { |
9c915a8c AR |
840 | fusion->fast_path_io = 1; |
841 | return 0; | |
842 | } | |
843 | } | |
844 | return 1; | |
845 | } | |
846 | ||
847 | /* | |
848 | * megasas_sync_map_info - Returns FW's ld_map structure | |
849 | * @instance: Adapter soft state | |
850 | * | |
851 | * Issues an internal command (DCMD) to get the FW's controller PD | |
852 | * list structure. This information is mainly used to find out SYSTEM | |
853 | * supported by the FW. | |
854 | */ | |
855 | int | |
856 | megasas_sync_map_info(struct megasas_instance *instance) | |
857 | { | |
858 | int ret = 0, i; | |
859 | struct megasas_cmd *cmd; | |
860 | struct megasas_dcmd_frame *dcmd; | |
861 | u32 size_sync_info, num_lds; | |
862 | struct fusion_context *fusion; | |
863 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 864 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c AR |
865 | struct MR_LD_RAID *raid; |
866 | struct MR_LD_TARGET_SYNC *ld_sync; | |
867 | dma_addr_t ci_h = 0; | |
868 | u32 size_map_info; | |
869 | ||
870 | cmd = megasas_get_cmd(instance); | |
871 | ||
872 | if (!cmd) { | |
873 | printk(KERN_DEBUG "megasas: Failed to get cmd for sync" | |
874 | "info.\n"); | |
875 | return -ENOMEM; | |
876 | } | |
877 | ||
878 | fusion = instance->ctrl_context; | |
879 | ||
880 | if (!fusion) { | |
881 | megasas_return_cmd(instance, cmd); | |
882 | return 1; | |
883 | } | |
884 | ||
51087a86 | 885 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 886 | |
6e755ddc | 887 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c AR |
888 | |
889 | dcmd = &cmd->frame->dcmd; | |
890 | ||
891 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
892 | ||
893 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
894 | ||
895 | ci = (struct MR_LD_TARGET_SYNC *) | |
896 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 897 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c AR |
898 | |
899 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
900 | ||
901 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
902 | ||
903 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
904 | raid = MR_LdRaidGet(i, map); | |
905 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
906 | ld_sync->seqNum = raid->seqNum; | |
907 | } | |
908 | ||
51087a86 | 909 | size_map_info = fusion->current_map_sz; |
9c915a8c AR |
910 | |
911 | dcmd->cmd = MFI_CMD_DCMD; | |
912 | dcmd->cmd_status = 0xFF; | |
913 | dcmd->sge_count = 1; | |
94cd65dd | 914 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); |
9c915a8c AR |
915 | dcmd->timeout = 0; |
916 | dcmd->pad_0 = 0; | |
94cd65dd | 917 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c AR |
918 | dcmd->mbox.b[0] = num_lds; |
919 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd SS |
920 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
921 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
922 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c AR |
923 | |
924 | instance->map_update_cmd = cmd; | |
925 | ||
926 | instance->instancet->issue_dcmd(instance, cmd); | |
927 | ||
928 | return ret; | |
929 | } | |
930 | ||
39b72c3c SS |
931 | /* |
932 | * meagasas_display_intel_branding - Display branding string | |
933 | * @instance: per adapter object | |
934 | * | |
935 | * Return nothing. | |
936 | */ | |
937 | static void | |
938 | megasas_display_intel_branding(struct megasas_instance *instance) | |
939 | { | |
940 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
941 | return; | |
942 | ||
943 | switch (instance->pdev->device) { | |
944 | case PCI_DEVICE_ID_LSI_INVADER: | |
945 | switch (instance->pdev->subsystem_device) { | |
946 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
947 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
948 | instance->host->host_no, | |
949 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
950 | break; | |
951 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
952 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
953 | instance->host->host_no, | |
954 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
955 | break; | |
956 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
957 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
958 | instance->host->host_no, | |
959 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
960 | break; | |
961 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
962 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
963 | instance->host->host_no, | |
964 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
965 | break; | |
966 | default: | |
967 | break; | |
968 | } | |
969 | break; | |
970 | case PCI_DEVICE_ID_LSI_FURY: | |
971 | switch (instance->pdev->subsystem_device) { | |
972 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
973 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
974 | instance->host->host_no, | |
975 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
976 | break; | |
977 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
978 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
979 | instance->host->host_no, | |
980 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
981 | break; | |
982 | default: | |
983 | break; | |
984 | } | |
985 | break; | |
986 | default: | |
987 | break; | |
988 | } | |
989 | } | |
990 | ||
9c915a8c AR |
991 | /** |
992 | * megasas_init_adapter_fusion - Initializes the FW | |
993 | * @instance: Adapter soft state | |
994 | * | |
995 | * This is the main function for initializing firmware. | |
996 | */ | |
997 | u32 | |
998 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
999 | { | |
1000 | struct megasas_register_set __iomem *reg_set; | |
1001 | struct fusion_context *fusion; | |
1002 | u32 max_cmd; | |
c8e858fe | 1003 | int i = 0, count; |
9c915a8c AR |
1004 | |
1005 | fusion = instance->ctrl_context; | |
1006 | ||
1007 | reg_set = instance->reg_set; | |
1008 | ||
1009 | /* | |
1010 | * Get various operational parameters from status register | |
1011 | */ | |
1012 | instance->max_fw_cmds = | |
1013 | instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; | |
1014 | instance->max_fw_cmds = min(instance->max_fw_cmds, (u16)1008); | |
1015 | ||
1016 | /* | |
1017 | * Reduce the max supported cmds by 1. This is to ensure that the | |
1018 | * reply_q_sz (1 more than the max cmd that driver may send) | |
1019 | * does not exceed max cmds that the FW can support | |
1020 | */ | |
1021 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
ae09a6c1 SS |
1022 | |
1023 | /* | |
1024 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1025 | */ | |
1026 | instance->max_mfi_cmds = | |
1027 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c AR |
1028 | |
1029 | max_cmd = instance->max_fw_cmds; | |
1030 | ||
db4fc864 | 1031 | fusion->reply_q_depth = 2 * (((max_cmd + 1 + 15)/16)*16); |
9c915a8c AR |
1032 | |
1033 | fusion->request_alloc_sz = | |
1034 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *max_cmd; | |
1035 | fusion->reply_alloc_sz = sizeof(union MPI2_REPLY_DESCRIPTORS_UNION) | |
1036 | *(fusion->reply_q_depth); | |
1037 | fusion->io_frames_alloc_sz = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + | |
1038 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * | |
1039 | (max_cmd + 1)); /* Extra 1 for SMID 0 */ | |
1040 | ||
1041 | fusion->max_sge_in_main_msg = | |
1042 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1043 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16; | |
1044 | ||
1045 | fusion->max_sge_in_chain = | |
1046 | MEGASAS_MAX_SZ_CHAIN_FRAME / sizeof(union MPI2_SGE_IO_UNION); | |
1047 | ||
a5fd2858 SS |
1048 | instance->max_num_sge = rounddown_pow_of_two( |
1049 | fusion->max_sge_in_main_msg + fusion->max_sge_in_chain - 2); | |
9c915a8c AR |
1050 | |
1051 | /* Used for pass thru MFI frame (DCMD) */ | |
1052 | fusion->chain_offset_mfi_pthru = | |
1053 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL)/16; | |
1054 | ||
1055 | fusion->chain_offset_io_request = | |
1056 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1057 | sizeof(union MPI2_SGE_IO_UNION))/16; | |
1058 | ||
c8e858fe AR |
1059 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
1060 | for (i = 0 ; i < count; i++) | |
1061 | fusion->last_reply_idx[i] = 0; | |
9c915a8c AR |
1062 | |
1063 | /* | |
1064 | * Allocate memory for descriptors | |
1065 | * Create a pool of commands | |
1066 | */ | |
1067 | if (megasas_alloc_cmds(instance)) | |
1068 | goto fail_alloc_mfi_cmds; | |
1069 | if (megasas_alloc_cmds_fusion(instance)) | |
1070 | goto fail_alloc_cmds; | |
1071 | ||
1072 | if (megasas_ioc_init_fusion(instance)) | |
1073 | goto fail_ioc_init; | |
1074 | ||
39b72c3c | 1075 | megasas_display_intel_branding(instance); |
d009b576 | 1076 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
1077 | dev_err(&instance->pdev->dev, |
1078 | "Could not get controller info. Fail from %s %d\n", | |
1079 | __func__, __LINE__); | |
1080 | goto fail_ioc_init; | |
1081 | } | |
1082 | ||
9c915a8c | 1083 | instance->flag_ieee = 1; |
51087a86 | 1084 | fusion->fast_path_io = 0; |
9c915a8c | 1085 | |
51087a86 SS |
1086 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); |
1087 | for (i = 0; i < 2; i++) { | |
1088 | fusion->ld_map[i] = NULL; | |
1089 | fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL, | |
1090 | fusion->drv_map_pages); | |
1091 | if (!fusion->ld_drv_map[i]) { | |
1092 | dev_err(&instance->pdev->dev, "Could not allocate " | |
1093 | "memory for local map info for %d pages\n", | |
1094 | fusion->drv_map_pages); | |
1095 | if (i == 1) | |
1096 | free_pages((ulong)fusion->ld_drv_map[0], | |
1097 | fusion->drv_map_pages); | |
1098 | goto fail_ioc_init; | |
1099 | } | |
d009b576 SS |
1100 | memset(fusion->ld_drv_map[i], 0, |
1101 | ((1 << PAGE_SHIFT) << fusion->drv_map_pages)); | |
51087a86 SS |
1102 | } |
1103 | ||
9c915a8c AR |
1104 | for (i = 0; i < 2; i++) { |
1105 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
51087a86 | 1106 | fusion->max_map_sz, |
9c915a8c AR |
1107 | &fusion->ld_map_phys[i], |
1108 | GFP_KERNEL); | |
1109 | if (!fusion->ld_map[i]) { | |
1110 | printk(KERN_ERR "megasas: Could not allocate memory " | |
1111 | "for map info\n"); | |
1112 | goto fail_map_info; | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | if (!megasas_get_map_info(instance)) | |
1117 | megasas_sync_map_info(instance); | |
1118 | ||
1119 | return 0; | |
1120 | ||
9c915a8c AR |
1121 | fail_map_info: |
1122 | if (i == 1) | |
51087a86 | 1123 | dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz, |
9c915a8c AR |
1124 | fusion->ld_map[0], fusion->ld_map_phys[0]); |
1125 | fail_ioc_init: | |
eb1b1237 AR |
1126 | megasas_free_cmds_fusion(instance); |
1127 | fail_alloc_cmds: | |
1128 | megasas_free_cmds(instance); | |
1129 | fail_alloc_mfi_cmds: | |
9c915a8c AR |
1130 | return 1; |
1131 | } | |
1132 | ||
1133 | /** | |
1134 | * megasas_fire_cmd_fusion - Sends command to the FW | |
1135 | * @frame_phys_addr : Physical address of cmd | |
1136 | * @frame_count : Number of frames for the command | |
1137 | * @regs : MFI register set | |
1138 | */ | |
1139 | void | |
1140 | megasas_fire_cmd_fusion(struct megasas_instance *instance, | |
1141 | dma_addr_t req_desc_lo, | |
1142 | u32 req_desc_hi, | |
1143 | struct megasas_register_set __iomem *regs) | |
1144 | { | |
07560409 | 1145 | #if defined(writeq) && defined(CONFIG_64BIT) |
6e755ddc SS |
1146 | u64 req_data = (((u64)le32_to_cpu(req_desc_hi) << 32) | |
1147 | le32_to_cpu(req_desc_lo)); | |
07560409 | 1148 | |
6e755ddc | 1149 | writeq(req_data, &(regs)->inbound_low_queue_port); |
07560409 | 1150 | #else |
9c915a8c AR |
1151 | unsigned long flags; |
1152 | ||
1153 | spin_lock_irqsave(&instance->hba_lock, flags); | |
1154 | ||
94cd65dd SS |
1155 | writel(le32_to_cpu(req_desc_lo), &(regs)->inbound_low_queue_port); |
1156 | writel(le32_to_cpu(req_desc_hi), &(regs)->inbound_high_queue_port); | |
9c915a8c | 1157 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
07560409 | 1158 | #endif |
9c915a8c AR |
1159 | } |
1160 | ||
1161 | /** | |
1162 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1163 | * @cmd : Pointer to cmd | |
1164 | * @status : status of cmd returned by FW | |
1165 | * @ext_status : ext status of cmd returned by FW | |
1166 | */ | |
1167 | ||
1168 | void | |
1169 | map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status) | |
1170 | { | |
1171 | ||
1172 | switch (status) { | |
1173 | ||
1174 | case MFI_STAT_OK: | |
1175 | cmd->scmd->result = DID_OK << 16; | |
1176 | break; | |
1177 | ||
1178 | case MFI_STAT_SCSI_IO_FAILED: | |
1179 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
1180 | cmd->scmd->result = (DID_ERROR << 16) | ext_status; | |
1181 | break; | |
1182 | ||
1183 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1184 | ||
1185 | cmd->scmd->result = (DID_OK << 16) | ext_status; | |
1186 | if (ext_status == SAM_STAT_CHECK_CONDITION) { | |
1187 | memset(cmd->scmd->sense_buffer, 0, | |
1188 | SCSI_SENSE_BUFFERSIZE); | |
1189 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
1190 | SCSI_SENSE_BUFFERSIZE); | |
1191 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
1192 | } | |
1193 | break; | |
1194 | ||
1195 | case MFI_STAT_LD_OFFLINE: | |
1196 | case MFI_STAT_DEVICE_NOT_FOUND: | |
1197 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
1198 | break; | |
36807e67 AR |
1199 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
1200 | cmd->scmd->result = DID_IMM_RETRY << 16; | |
1201 | break; | |
9c915a8c AR |
1202 | default: |
1203 | printk(KERN_DEBUG "megasas: FW status %#x\n", status); | |
1204 | cmd->scmd->result = DID_ERROR << 16; | |
1205 | break; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | /** | |
1210 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
1211 | * @instance: Adapter soft state | |
1212 | * @scp: SCSI command from the mid-layer | |
1213 | * @sgl_ptr: SGL to be filled in | |
1214 | * @cmd: cmd we are working on | |
1215 | * | |
1216 | * If successful, this function returns the number of SG elements. | |
1217 | */ | |
1218 | static int | |
1219 | megasas_make_sgl_fusion(struct megasas_instance *instance, | |
1220 | struct scsi_cmnd *scp, | |
1221 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
1222 | struct megasas_cmd_fusion *cmd) | |
1223 | { | |
36807e67 | 1224 | int i, sg_processed, sge_count; |
9c915a8c AR |
1225 | struct scatterlist *os_sgl; |
1226 | struct fusion_context *fusion; | |
1227 | ||
1228 | fusion = instance->ctrl_context; | |
1229 | ||
21d3c710 SS |
1230 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1231 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1232 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
1233 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
1234 | sgl_ptr_end->Flags = 0; | |
1235 | } | |
9c915a8c AR |
1236 | |
1237 | sge_count = scsi_dma_map(scp); | |
1238 | ||
1239 | BUG_ON(sge_count < 0); | |
1240 | ||
1241 | if (sge_count > instance->max_num_sge || !sge_count) | |
1242 | return sge_count; | |
1243 | ||
9c915a8c | 1244 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
1245 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
1246 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 1247 | sgl_ptr->Flags = 0; |
21d3c710 SS |
1248 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1249 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1250 | if (i == sge_count - 1) |
1251 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
1252 | } | |
9c915a8c AR |
1253 | sgl_ptr++; |
1254 | ||
1255 | sg_processed = i + 1; | |
1256 | ||
1257 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
1258 | (sge_count > fusion->max_sge_in_main_msg)) { | |
1259 | ||
1260 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
21d3c710 SS |
1261 | if ((instance->pdev->device == |
1262 | PCI_DEVICE_ID_LSI_INVADER) || | |
1263 | (instance->pdev->device == | |
1264 | PCI_DEVICE_ID_LSI_FURY)) { | |
94cd65dd SS |
1265 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
1266 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
1267 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 AR |
1268 | cmd->io_request->ChainOffset = |
1269 | fusion-> | |
1270 | chain_offset_io_request; | |
1271 | else | |
1272 | cmd->io_request->ChainOffset = 0; | |
1273 | } else | |
1274 | cmd->io_request->ChainOffset = | |
1275 | fusion->chain_offset_io_request; | |
1276 | ||
9c915a8c AR |
1277 | sg_chain = sgl_ptr; |
1278 | /* Prepare chain element */ | |
1279 | sg_chain->NextChainOffset = 0; | |
21d3c710 SS |
1280 | if ((instance->pdev->device == |
1281 | PCI_DEVICE_ID_LSI_INVADER) || | |
1282 | (instance->pdev->device == | |
1283 | PCI_DEVICE_ID_LSI_FURY)) | |
36807e67 AR |
1284 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
1285 | else | |
1286 | sg_chain->Flags = | |
1287 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
1288 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
1289 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
1290 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c AR |
1291 | |
1292 | sgl_ptr = | |
1293 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
7497cde8 | 1294 | memset(sgl_ptr, 0, MEGASAS_MAX_SZ_CHAIN_FRAME); |
9c915a8c AR |
1295 | } |
1296 | } | |
1297 | ||
1298 | return sge_count; | |
1299 | } | |
1300 | ||
1301 | /** | |
1302 | * megasas_set_pd_lba - Sets PD LBA | |
1303 | * @cdb: CDB | |
1304 | * @cdb_len: cdb length | |
1305 | * @start_blk: Start block of IO | |
1306 | * | |
1307 | * Used to set the PD LBA in CDB for FP IOs | |
1308 | */ | |
1309 | void | |
1310 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
1311 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 1312 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c AR |
1313 | { |
1314 | struct MR_LD_RAID *raid; | |
1315 | u32 ld; | |
1316 | u64 start_blk = io_info->pdBlock; | |
1317 | u8 *cdb = io_request->CDB.CDB32; | |
1318 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 1319 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c AR |
1320 | |
1321 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
1322 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
1323 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
1324 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
1325 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1326 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
1327 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
1328 | ||
1329 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1330 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; | |
1331 | else | |
1332 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
1333 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
1334 | ||
1335 | /* LBA */ | |
1336 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
1337 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
1338 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
1339 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
1340 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
1341 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
1342 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
1343 | cdb[19] = (u8)(start_blk & 0xff); | |
1344 | ||
1345 | /* Logical block reference tag */ | |
1346 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
1347 | cpu_to_be32(ref_tag); | |
6e755ddc | 1348 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 1349 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c AR |
1350 | |
1351 | /* Transfer length */ | |
1352 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
1353 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
1354 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
1355 | cdb[31] = (u8)(num_blocks & 0xff); | |
1356 | ||
1357 | /* set SCSI IO EEDPFlags */ | |
1358 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) { | |
94cd65dd | 1359 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c AR |
1360 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
1361 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
1362 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
1363 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
94cd65dd | 1364 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 1365 | } else { |
94cd65dd | 1366 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 1367 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 1368 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 1369 | } |
94cd65dd SS |
1370 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
1371 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c AR |
1372 | } else { |
1373 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
1374 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
1375 | (start_blk <= 0xffffffff)) { | |
1376 | if (cdb_len == 16) { | |
1377 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
1378 | flagvals = cdb[1]; | |
1379 | groupnum = cdb[14]; | |
1380 | control = cdb[15]; | |
1381 | } else { | |
1382 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
1383 | flagvals = cdb[1]; | |
1384 | groupnum = cdb[10]; | |
1385 | control = cdb[11]; | |
1386 | } | |
1387 | ||
1388 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1389 | ||
1390 | cdb[0] = opcode; | |
1391 | cdb[1] = flagvals; | |
1392 | cdb[6] = groupnum; | |
1393 | cdb[9] = control; | |
1394 | ||
1395 | /* Transfer length */ | |
1396 | cdb[8] = (u8)(num_blocks & 0xff); | |
1397 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
1398 | ||
94cd65dd | 1399 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 1400 | cdb_len = 10; |
495c5609 AR |
1401 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
1402 | /* Convert to 16 byte CDB for large LBA's */ | |
1403 | switch (cdb_len) { | |
1404 | case 6: | |
1405 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
1406 | control = cdb[5]; | |
1407 | break; | |
1408 | case 10: | |
1409 | opcode = | |
1410 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
1411 | flagvals = cdb[1]; | |
1412 | groupnum = cdb[6]; | |
1413 | control = cdb[9]; | |
1414 | break; | |
1415 | case 12: | |
1416 | opcode = | |
1417 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
1418 | flagvals = cdb[1]; | |
1419 | groupnum = cdb[10]; | |
1420 | control = cdb[11]; | |
1421 | break; | |
1422 | } | |
1423 | ||
1424 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1425 | ||
1426 | cdb[0] = opcode; | |
1427 | cdb[1] = flagvals; | |
1428 | cdb[14] = groupnum; | |
1429 | cdb[15] = control; | |
1430 | ||
1431 | /* Transfer length */ | |
1432 | cdb[13] = (u8)(num_blocks & 0xff); | |
1433 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
1434 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
1435 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
1436 | ||
94cd65dd | 1437 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 1438 | cdb_len = 16; |
9c915a8c AR |
1439 | } |
1440 | ||
1441 | /* Normal case, just load LBA here */ | |
1442 | switch (cdb_len) { | |
1443 | case 6: | |
1444 | { | |
1445 | u8 val = cdb[1] & 0xE0; | |
1446 | cdb[3] = (u8)(start_blk & 0xff); | |
1447 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
1448 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
1449 | break; | |
1450 | } | |
1451 | case 10: | |
1452 | cdb[5] = (u8)(start_blk & 0xff); | |
1453 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1454 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1455 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1456 | break; | |
1457 | case 12: | |
1458 | cdb[5] = (u8)(start_blk & 0xff); | |
1459 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1460 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1461 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1462 | break; | |
1463 | case 16: | |
1464 | cdb[9] = (u8)(start_blk & 0xff); | |
1465 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
1466 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
1467 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
1468 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
1469 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
1470 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
1471 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
1472 | break; | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | /** | |
1478 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
1479 | * @instance: Adapter soft state | |
1480 | * @scp: SCSI command | |
1481 | * @cmd: Command to be prepared | |
1482 | * | |
1483 | * Prepares the io_request and chain elements (sg_frame) for IO | |
1484 | * The IO can be for PD (Fast Path) or LD | |
1485 | */ | |
1486 | void | |
1487 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
1488 | struct scsi_cmnd *scp, | |
1489 | struct megasas_cmd_fusion *cmd) | |
1490 | { | |
1491 | u8 fp_possible; | |
f9eff815 | 1492 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; |
9c915a8c AR |
1493 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
1494 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1495 | struct IO_REQUEST_INFO io_info; | |
1496 | struct fusion_context *fusion; | |
51087a86 | 1497 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 1498 | u8 *raidLUN; |
9c915a8c AR |
1499 | |
1500 | device_id = MEGASAS_DEV_INDEX(instance, scp); | |
1501 | ||
1502 | fusion = instance->ctrl_context; | |
1503 | ||
1504 | io_request = cmd->io_request; | |
94cd65dd | 1505 | io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); |
9c915a8c AR |
1506 | io_request->RaidContext.status = 0; |
1507 | io_request->RaidContext.exStatus = 0; | |
1508 | ||
1509 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
1510 | ||
1511 | start_lba_lo = 0; | |
1512 | start_lba_hi = 0; | |
1513 | fp_possible = 0; | |
1514 | ||
1515 | /* | |
1516 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1517 | */ | |
1518 | if (scp->cmd_len == 6) { | |
f9eff815 | 1519 | datalength = (u32) scp->cmnd[4]; |
9c915a8c AR |
1520 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
1521 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
1522 | ||
1523 | start_lba_lo &= 0x1FFFFF; | |
1524 | } | |
1525 | ||
1526 | /* | |
1527 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1528 | */ | |
1529 | else if (scp->cmd_len == 10) { | |
f9eff815 | 1530 | datalength = (u32) scp->cmnd[8] | |
9c915a8c AR |
1531 | ((u32) scp->cmnd[7] << 8); |
1532 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1533 | ((u32) scp->cmnd[3] << 16) | | |
1534 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1535 | } | |
1536 | ||
1537 | /* | |
1538 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1539 | */ | |
1540 | else if (scp->cmd_len == 12) { | |
f9eff815 | 1541 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c AR |
1542 | ((u32) scp->cmnd[7] << 16) | |
1543 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1544 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1545 | ((u32) scp->cmnd[3] << 16) | | |
1546 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1547 | } | |
1548 | ||
1549 | /* | |
1550 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1551 | */ | |
1552 | else if (scp->cmd_len == 16) { | |
f9eff815 | 1553 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c AR |
1554 | ((u32) scp->cmnd[11] << 16) | |
1555 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
1556 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
1557 | ((u32) scp->cmnd[7] << 16) | | |
1558 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1559 | ||
1560 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
1561 | ((u32) scp->cmnd[3] << 16) | | |
1562 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1563 | } | |
1564 | ||
1565 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
1566 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 1567 | io_info.numBlocks = datalength; |
9c915a8c | 1568 | io_info.ldTgtId = device_id; |
94cd65dd | 1569 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scp)); |
9c915a8c AR |
1570 | |
1571 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1572 | io_info.isRead = 1; | |
1573 | ||
51087a86 | 1574 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
9c915a8c AR |
1575 | |
1576 | if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >= | |
51087a86 | 1577 | instance->fw_supported_vd_count) || (!fusion->fast_path_io)) { |
9c915a8c AR |
1578 | io_request->RaidContext.regLockFlags = 0; |
1579 | fp_possible = 0; | |
1580 | } else { | |
36807e67 AR |
1581 | if (MR_BuildRaidContext(instance, &io_info, |
1582 | &io_request->RaidContext, | |
21c9e160 | 1583 | local_map_ptr, &raidLUN)) |
9c915a8c AR |
1584 | fp_possible = io_info.fpOkForIo; |
1585 | } | |
1586 | ||
16b8528d | 1587 | /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU |
c8e858fe AR |
1588 | id by default, not CPU group id, otherwise all MSI-X queues won't |
1589 | be utilized */ | |
1590 | cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ? | |
16b8528d | 1591 | raw_smp_processor_id() % instance->msix_vectors : 0; |
c8e858fe | 1592 | |
9c915a8c AR |
1593 | if (fp_possible) { |
1594 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
1595 | local_map_ptr, start_lba_lo); | |
9c915a8c AR |
1596 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
1597 | cmd->request_desc->SCSIIO.RequestFlags = | |
1598 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY | |
1599 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
21d3c710 SS |
1600 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1601 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1602 | if (io_request->RaidContext.regLockFlags == |
1603 | REGION_TYPE_UNUSED) | |
1604 | cmd->request_desc->SCSIIO.RequestFlags = | |
1605 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1606 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1607 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1608 | io_request->RaidContext.nseg = 0x1; | |
94cd65dd | 1609 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 AR |
1610 | io_request->RaidContext.regLockFlags |= |
1611 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | | |
1612 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1613 | } | |
9c915a8c AR |
1614 | if ((fusion->load_balance_info[device_id].loadBalanceFlag) && |
1615 | (io_info.isRead)) { | |
1616 | io_info.devHandle = | |
d2552ebe | 1617 | get_updated_dev_handle(instance, |
9c915a8c AR |
1618 | &fusion->load_balance_info[device_id], |
1619 | &io_info); | |
1620 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; | |
d2552ebe | 1621 | cmd->pd_r1_lb = io_info.pd_after_lb; |
9c915a8c AR |
1622 | } else |
1623 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
1624 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; | |
1625 | io_request->DevHandle = io_info.devHandle; | |
21c9e160 AR |
1626 | /* populate the LUN field */ |
1627 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c AR |
1628 | } else { |
1629 | io_request->RaidContext.timeoutValue = | |
94cd65dd | 1630 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c AR |
1631 | cmd->request_desc->SCSIIO.RequestFlags = |
1632 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
1633 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
21d3c710 SS |
1634 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1635 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
1636 | if (io_request->RaidContext.regLockFlags == |
1637 | REGION_TYPE_UNUSED) | |
1638 | cmd->request_desc->SCSIIO.RequestFlags = | |
1639 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1640 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1641 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1642 | io_request->RaidContext.regLockFlags |= | |
1643 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | | |
1644 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1645 | io_request->RaidContext.nseg = 0x1; | |
1646 | } | |
1647 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 1648 | io_request->DevHandle = cpu_to_le16(device_id); |
9c915a8c AR |
1649 | } /* Not FP */ |
1650 | } | |
1651 | ||
1652 | /** | |
1653 | * megasas_build_dcdb_fusion - Prepares IOs to devices | |
1654 | * @instance: Adapter soft state | |
1655 | * @scp: SCSI command | |
1656 | * @cmd: Command to be prepared | |
1657 | * | |
1658 | * Prepares the io_request frame for non-io cmds | |
1659 | */ | |
1660 | static void | |
1661 | megasas_build_dcdb_fusion(struct megasas_instance *instance, | |
1662 | struct scsi_cmnd *scmd, | |
1663 | struct megasas_cmd_fusion *cmd) | |
1664 | { | |
1665 | u32 device_id; | |
1666 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1667 | u16 pd_index = 0; | |
7497cde8 SS |
1668 | u16 os_timeout_value; |
1669 | u16 timeout_limit; | |
51087a86 | 1670 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 1671 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 AR |
1672 | u8 span, physArm; |
1673 | u16 devHandle; | |
1674 | u32 ld, arRef, pd; | |
1675 | struct MR_LD_RAID *raid; | |
1676 | struct RAID_CONTEXT *pRAID_Context; | |
9c915a8c AR |
1677 | |
1678 | io_request = cmd->io_request; | |
1679 | device_id = MEGASAS_DEV_INDEX(instance, scmd); | |
1680 | pd_index = (scmd->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) | |
1681 | +scmd->device->id; | |
51087a86 | 1682 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
9c915a8c | 1683 | |
94cd65dd | 1684 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
21c9e160 | 1685 | |
e187df63 AR |
1686 | if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS && |
1687 | instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) { | |
9c5ebd09 AR |
1688 | if (fusion->fast_path_io) |
1689 | io_request->DevHandle = | |
9c915a8c | 1690 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; |
9c915a8c | 1691 | io_request->RaidContext.RAIDFlags = |
7497cde8 SS |
1692 | MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD |
1693 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; | |
1694 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
8058a169 | 1695 | cmd->request_desc->SCSIIO.MSIxIndex = |
16b8528d CH |
1696 | instance->msix_vectors ? |
1697 | raw_smp_processor_id() % | |
1698 | instance->msix_vectors : | |
1699 | 0; | |
7497cde8 SS |
1700 | os_timeout_value = scmd->request->timeout / HZ; |
1701 | ||
1702 | if (instance->secure_jbod_support && | |
1703 | (megasas_cmd_type(scmd) == NON_READ_WRITE_SYSPDIO)) { | |
1704 | /* system pd firmware path */ | |
1705 | io_request->Function = | |
1706 | MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
1707 | cmd->request_desc->SCSIIO.RequestFlags = | |
1708 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
1709 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1710 | io_request->RaidContext.timeoutValue = | |
1711 | cpu_to_le16(os_timeout_value); | |
1712 | } else { | |
1713 | /* system pd Fast Path */ | |
1714 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1715 | io_request->RaidContext.regLockFlags = 0; | |
1716 | io_request->RaidContext.regLockRowLBA = 0; | |
1717 | io_request->RaidContext.regLockLength = 0; | |
1718 | timeout_limit = (scmd->device->type == TYPE_DISK) ? | |
1719 | 255 : 0xFFFF; | |
1720 | io_request->RaidContext.timeoutValue = | |
1721 | cpu_to_le16((os_timeout_value > timeout_limit) ? | |
1722 | timeout_limit : os_timeout_value); | |
1723 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || | |
1724 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
1725 | io_request->IoFlags |= | |
1726 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
1727 | ||
1728 | cmd->request_desc->SCSIIO.RequestFlags = | |
1729 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
1730 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
32d8745c | 1731 | } |
9c915a8c | 1732 | } else { |
21c9e160 AR |
1733 | if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS) |
1734 | goto NonFastPath; | |
1735 | ||
ab2f0608 SS |
1736 | /* |
1737 | * For older firmware, Driver should not access ldTgtIdToLd | |
1738 | * beyond index 127 and for Extended VD firmware, ldTgtIdToLd | |
1739 | * should not go beyond 255. | |
1740 | */ | |
1741 | ||
1742 | if ((!fusion->fast_path_io) || | |
1743 | (device_id >= instance->fw_supported_vd_count)) | |
1744 | goto NonFastPath; | |
1745 | ||
21c9e160 | 1746 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
ab2f0608 SS |
1747 | |
1748 | if (ld >= instance->fw_supported_vd_count) | |
21c9e160 AR |
1749 | goto NonFastPath; |
1750 | ||
1751 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
1752 | ||
1753 | /* check if this LD is FP capable */ | |
1754 | if (!(raid->capability.fpNonRWCapable)) | |
1755 | /* not FP capable, send as non-FP */ | |
1756 | goto NonFastPath; | |
1757 | ||
1758 | /* get RAID_Context pointer */ | |
1759 | pRAID_Context = &io_request->RaidContext; | |
1760 | ||
1761 | /* set RAID context values */ | |
1762 | pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ; | |
6e755ddc | 1763 | pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd); |
94cd65dd | 1764 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); |
21c9e160 AR |
1765 | pRAID_Context->regLockRowLBA = 0; |
1766 | pRAID_Context->regLockLength = 0; | |
1767 | pRAID_Context->configSeqNum = raid->seqNum; | |
1768 | ||
1769 | /* get the DevHandle for the PD (since this is | |
1770 | fpNonRWCapable, this is a single disk RAID0) */ | |
1771 | span = physArm = 0; | |
1772 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
1773 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
1774 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
1775 | ||
1776 | /* build request descriptor */ | |
1777 | cmd->request_desc->SCSIIO.RequestFlags = | |
1778 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
1779 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1780 | cmd->request_desc->SCSIIO.DevHandle = devHandle; | |
1781 | ||
1782 | /* populate the LUN field */ | |
1783 | memcpy(io_request->LUN, raid->LUN, 8); | |
1784 | ||
1785 | /* build the raidScsiIO structure */ | |
1786 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1787 | io_request->DevHandle = devHandle; | |
1788 | ||
1789 | return; | |
1790 | ||
1791 | NonFastPath: | |
9c915a8c | 1792 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
94cd65dd | 1793 | io_request->DevHandle = cpu_to_le16(device_id); |
9c915a8c AR |
1794 | cmd->request_desc->SCSIIO.RequestFlags = |
1795 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
1796 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1797 | } | |
94cd65dd | 1798 | io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); |
9cb78c16 | 1799 | int_to_scsilun(scmd->device->lun, (struct scsi_lun *)io_request->LUN); |
9c915a8c AR |
1800 | } |
1801 | ||
1802 | /** | |
1803 | * megasas_build_io_fusion - Prepares IOs to devices | |
1804 | * @instance: Adapter soft state | |
1805 | * @scp: SCSI command | |
1806 | * @cmd: Command to be prepared | |
1807 | * | |
1808 | * Invokes helper functions to prepare request frames | |
1809 | * and sets flags appropriate for IO/Non-IO cmd | |
1810 | */ | |
1811 | int | |
1812 | megasas_build_io_fusion(struct megasas_instance *instance, | |
1813 | struct scsi_cmnd *scp, | |
1814 | struct megasas_cmd_fusion *cmd) | |
1815 | { | |
1816 | u32 device_id, sge_count; | |
1817 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; | |
1818 | ||
1819 | device_id = MEGASAS_DEV_INDEX(instance, scp); | |
1820 | ||
1821 | /* Zero out some fields so they don't get reused */ | |
9cb78c16 | 1822 | memset(io_request->LUN, 0x0, 8); |
9c915a8c AR |
1823 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
1824 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
1825 | io_request->EEDPFlags = 0; | |
1826 | io_request->Control = 0; | |
1827 | io_request->EEDPBlockSize = 0; | |
36807e67 | 1828 | io_request->ChainOffset = 0; |
9c915a8c | 1829 | io_request->RaidContext.RAIDFlags = 0; |
36807e67 AR |
1830 | io_request->RaidContext.Type = 0; |
1831 | io_request->RaidContext.nseg = 0; | |
9c915a8c AR |
1832 | |
1833 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
1834 | /* | |
1835 | * Just the CDB length,rest of the Flags are zero | |
1836 | * This will be modified for FP in build_ldio_fusion | |
1837 | */ | |
94cd65dd | 1838 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 1839 | |
7497cde8 | 1840 | if (megasas_cmd_type(scp) == READ_WRITE_LDIO) |
9c915a8c AR |
1841 | megasas_build_ldio_fusion(instance, scp, cmd); |
1842 | else | |
1843 | megasas_build_dcdb_fusion(instance, scp, cmd); | |
1844 | ||
1845 | /* | |
1846 | * Construct SGL | |
1847 | */ | |
1848 | ||
1849 | sge_count = | |
1850 | megasas_make_sgl_fusion(instance, scp, | |
1851 | (struct MPI25_IEEE_SGE_CHAIN64 *) | |
1852 | &io_request->SGL, cmd); | |
1853 | ||
1854 | if (sge_count > instance->max_num_sge) { | |
1855 | printk(KERN_ERR "megasas: Error. sge_count (0x%x) exceeds " | |
1856 | "max (0x%x) allowed\n", sge_count, | |
1857 | instance->max_num_sge); | |
1858 | return 1; | |
1859 | } | |
1860 | ||
1861 | io_request->RaidContext.numSGE = sge_count; | |
1862 | ||
94cd65dd | 1863 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c AR |
1864 | |
1865 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
94cd65dd | 1866 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
9c915a8c | 1867 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) |
94cd65dd | 1868 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c AR |
1869 | |
1870 | io_request->SGLOffset0 = | |
1871 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
1872 | ||
94cd65dd | 1873 | io_request->SenseBufferLowAddress = cpu_to_le32(cmd->sense_phys_addr); |
9c915a8c AR |
1874 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
1875 | ||
1876 | cmd->scmd = scp; | |
1877 | scp->SCp.ptr = (char *)cmd; | |
1878 | ||
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
1883 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) | |
1884 | { | |
1885 | u8 *p; | |
1886 | struct fusion_context *fusion; | |
1887 | ||
1888 | if (index >= instance->max_fw_cmds) { | |
1889 | printk(KERN_ERR "megasas: Invalid SMID (0x%x)request for " | |
229fe47c AR |
1890 | "descriptor for scsi%d\n", index, |
1891 | instance->host->host_no); | |
9c915a8c AR |
1892 | return NULL; |
1893 | } | |
1894 | fusion = instance->ctrl_context; | |
1895 | p = fusion->req_frames_desc | |
1896 | +sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *index; | |
1897 | ||
1898 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
1899 | } | |
1900 | ||
1901 | /** | |
1902 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
1903 | * issuing non IOCTL cmd | |
1904 | * @instance: Adapter soft state | |
1905 | * @scmd: pointer to scsi cmd from OS | |
1906 | */ | |
1907 | static u32 | |
1908 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
1909 | struct scsi_cmnd *scmd) | |
1910 | { | |
1911 | struct megasas_cmd_fusion *cmd; | |
1912 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1913 | u32 index; | |
1914 | struct fusion_context *fusion; | |
1915 | ||
1916 | fusion = instance->ctrl_context; | |
1917 | ||
1918 | cmd = megasas_get_cmd_fusion(instance); | |
1919 | if (!cmd) | |
1920 | return SCSI_MLQUEUE_HOST_BUSY; | |
1921 | ||
1922 | index = cmd->index; | |
1923 | ||
1924 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
1925 | if (!req_desc) | |
1926 | return 1; | |
1927 | ||
1928 | req_desc->Words = 0; | |
1929 | cmd->request_desc = req_desc; | |
9c915a8c AR |
1930 | |
1931 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
1932 | megasas_return_cmd_fusion(instance, cmd); | |
1933 | printk(KERN_ERR "megasas: Error building command.\n"); | |
1934 | cmd->request_desc = NULL; | |
1935 | return 1; | |
1936 | } | |
1937 | ||
1938 | req_desc = cmd->request_desc; | |
94cd65dd | 1939 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
1940 | |
1941 | if (cmd->io_request->ChainOffset != 0 && | |
1942 | cmd->io_request->ChainOffset != 0xF) | |
1943 | printk(KERN_ERR "megasas: The chain offset value is not " | |
1944 | "correct : %x\n", cmd->io_request->ChainOffset); | |
1945 | ||
1946 | /* | |
1947 | * Issue the command to the FW | |
1948 | */ | |
1949 | atomic_inc(&instance->fw_outstanding); | |
1950 | ||
1951 | instance->instancet->fire_cmd(instance, | |
1952 | req_desc->u.low, req_desc->u.high, | |
1953 | instance->reg_set); | |
1954 | ||
1955 | return 0; | |
1956 | } | |
1957 | ||
1958 | /** | |
1959 | * complete_cmd_fusion - Completes command | |
1960 | * @instance: Adapter soft state | |
1961 | * Completes all commands that is in reply descriptor queue | |
1962 | */ | |
1963 | int | |
c8e858fe | 1964 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c AR |
1965 | { |
1966 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
1967 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
1968 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
1969 | struct fusion_context *fusion; | |
1970 | struct megasas_cmd *cmd_mfi; | |
1971 | struct megasas_cmd_fusion *cmd_fusion; | |
1972 | u16 smid, num_completed; | |
d2552ebe | 1973 | u8 reply_descript_type; |
9c915a8c AR |
1974 | u32 status, extStatus, device_id; |
1975 | union desc_value d_val; | |
1976 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 1977 | int threshold_reply_count = 0; |
9c915a8c AR |
1978 | |
1979 | fusion = instance->ctrl_context; | |
1980 | ||
1981 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) | |
1982 | return IRQ_HANDLED; | |
1983 | ||
1984 | desc = fusion->reply_frames_desc; | |
c8e858fe AR |
1985 | desc += ((MSIxIndex * fusion->reply_alloc_sz)/ |
1986 | sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)) + | |
1987 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c AR |
1988 | |
1989 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
1990 | ||
1991 | d_val.word = desc->Words; | |
1992 | ||
1993 | reply_descript_type = reply_desc->ReplyFlags & | |
1994 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
1995 | ||
1996 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
1997 | return IRQ_NONE; | |
1998 | ||
9c915a8c AR |
1999 | num_completed = 0; |
2000 | ||
2001 | while ((d_val.u.low != UINT_MAX) && (d_val.u.high != UINT_MAX)) { | |
94cd65dd | 2002 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c AR |
2003 | |
2004 | cmd_fusion = fusion->cmd_list[smid - 1]; | |
2005 | ||
2006 | scsi_io_req = | |
2007 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
2008 | cmd_fusion->io_request; | |
2009 | ||
2010 | if (cmd_fusion->scmd) | |
2011 | cmd_fusion->scmd->SCp.ptr = NULL; | |
2012 | ||
2013 | status = scsi_io_req->RaidContext.status; | |
2014 | extStatus = scsi_io_req->RaidContext.exStatus; | |
2015 | ||
2016 | switch (scsi_io_req->Function) { | |
2017 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ | |
2018 | /* Update load balancing info */ | |
2019 | device_id = MEGASAS_DEV_INDEX(instance, | |
2020 | cmd_fusion->scmd); | |
2021 | lbinfo = &fusion->load_balance_info[device_id]; | |
2022 | if (cmd_fusion->scmd->SCp.Status & | |
2023 | MEGASAS_LOAD_BALANCE_FLAG) { | |
d2552ebe | 2024 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
9c915a8c AR |
2025 | cmd_fusion->scmd->SCp.Status &= |
2026 | ~MEGASAS_LOAD_BALANCE_FLAG; | |
2027 | } | |
2028 | if (reply_descript_type == | |
2029 | MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) { | |
2030 | if (megasas_dbg_lvl == 5) | |
2031 | printk(KERN_ERR "\nmegasas: FAST Path " | |
2032 | "IO Success\n"); | |
2033 | } | |
2034 | /* Fall thru and complete IO */ | |
2035 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ | |
2036 | /* Map the FW Cmd Status */ | |
2037 | map_cmd_status(cmd_fusion, status, extStatus); | |
2038 | scsi_dma_unmap(cmd_fusion->scmd); | |
2039 | cmd_fusion->scmd->scsi_done(cmd_fusion->scmd); | |
2040 | scsi_io_req->RaidContext.status = 0; | |
2041 | scsi_io_req->RaidContext.exStatus = 0; | |
2042 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
2043 | atomic_dec(&instance->fw_outstanding); | |
2044 | ||
2045 | break; | |
2046 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
2047 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
90dc9d98 SS |
2048 | |
2049 | if (!cmd_mfi->mpt_pthr_cmd_blocked) { | |
2050 | if (megasas_dbg_lvl == 5) | |
2051 | dev_info(&instance->pdev->dev, | |
2052 | "freeing mfi/mpt pass-through " | |
2053 | "from %s %d\n", | |
2054 | __func__, __LINE__); | |
2055 | megasas_return_mfi_mpt_pthr(instance, cmd_mfi, | |
2056 | cmd_fusion); | |
2057 | } | |
2058 | ||
9c915a8c AR |
2059 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); |
2060 | cmd_fusion->flags = 0; | |
9c915a8c AR |
2061 | break; |
2062 | } | |
2063 | ||
c8e858fe AR |
2064 | fusion->last_reply_idx[MSIxIndex]++; |
2065 | if (fusion->last_reply_idx[MSIxIndex] >= | |
2066 | fusion->reply_q_depth) | |
2067 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c AR |
2068 | |
2069 | desc->Words = ULLONG_MAX; | |
2070 | num_completed++; | |
db4fc864 | 2071 | threshold_reply_count++; |
9c915a8c AR |
2072 | |
2073 | /* Get the next reply descriptor */ | |
c8e858fe AR |
2074 | if (!fusion->last_reply_idx[MSIxIndex]) |
2075 | desc = fusion->reply_frames_desc + | |
2076 | ((MSIxIndex * fusion->reply_alloc_sz)/ | |
2077 | sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)); | |
9c915a8c AR |
2078 | else |
2079 | desc++; | |
2080 | ||
2081 | reply_desc = | |
2082 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2083 | ||
2084 | d_val.word = desc->Words; | |
2085 | ||
2086 | reply_descript_type = reply_desc->ReplyFlags & | |
2087 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2088 | ||
2089 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2090 | break; | |
db4fc864 SS |
2091 | /* |
2092 | * Write to reply post host index register after completing threshold | |
2093 | * number of reply counts and still there are more replies in reply queue | |
2094 | * pending to be completed | |
2095 | */ | |
2096 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
2097 | if ((instance->pdev->device == | |
2098 | PCI_DEVICE_ID_LSI_INVADER) || | |
2099 | (instance->pdev->device == | |
2100 | PCI_DEVICE_ID_LSI_FURY)) | |
2101 | writel(((MSIxIndex & 0x7) << 24) | | |
2102 | fusion->last_reply_idx[MSIxIndex], | |
2103 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2104 | else | |
2105 | writel((MSIxIndex << 24) | | |
2106 | fusion->last_reply_idx[MSIxIndex], | |
2107 | instance->reply_post_host_index_addr[0]); | |
2108 | threshold_reply_count = 0; | |
2109 | } | |
9c915a8c AR |
2110 | } |
2111 | ||
2112 | if (!num_completed) | |
2113 | return IRQ_NONE; | |
2114 | ||
2115 | wmb(); | |
d46a3ad6 SS |
2116 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
2117 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
2118 | writel(((MSIxIndex & 0x7) << 24) | | |
2119 | fusion->last_reply_idx[MSIxIndex], | |
2120 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2121 | else | |
2122 | writel((MSIxIndex << 24) | | |
2123 | fusion->last_reply_idx[MSIxIndex], | |
2124 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 2125 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c AR |
2126 | return IRQ_HANDLED; |
2127 | } | |
2128 | ||
2129 | /** | |
2130 | * megasas_complete_cmd_dpc_fusion - Completes command | |
2131 | * @instance: Adapter soft state | |
2132 | * | |
2133 | * Tasklet to complete cmds | |
2134 | */ | |
2135 | void | |
2136 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
2137 | { | |
2138 | struct megasas_instance *instance = | |
2139 | (struct megasas_instance *)instance_addr; | |
2140 | unsigned long flags; | |
c8e858fe AR |
2141 | u32 count, MSIxIndex; |
2142 | ||
2143 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c AR |
2144 | |
2145 | /* If we have already declared adapter dead, donot complete cmds */ | |
2146 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2147 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { | |
2148 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2149 | return; | |
2150 | } | |
2151 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2152 | ||
c8e858fe AR |
2153 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
2154 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c AR |
2155 | } |
2156 | ||
2157 | /** | |
2158 | * megasas_isr_fusion - isr entry point | |
2159 | */ | |
2160 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
2161 | { | |
c8e858fe AR |
2162 | struct megasas_irq_context *irq_context = devp; |
2163 | struct megasas_instance *instance = irq_context->instance; | |
fc62b3fc | 2164 | u32 mfiStatus, fw_state, dma_state; |
9c915a8c | 2165 | |
d46a3ad6 SS |
2166 | if (instance->mask_interrupts) |
2167 | return IRQ_NONE; | |
2168 | ||
c8e858fe | 2169 | if (!instance->msix_vectors) { |
9c915a8c AR |
2170 | mfiStatus = instance->instancet->clear_intr(instance->reg_set); |
2171 | if (!mfiStatus) | |
2172 | return IRQ_NONE; | |
2173 | } | |
2174 | ||
2175 | /* If we are resetting, bail */ | |
6497b247 AR |
2176 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
2177 | instance->instancet->clear_intr(instance->reg_set); | |
9c915a8c | 2178 | return IRQ_HANDLED; |
6497b247 | 2179 | } |
9c915a8c | 2180 | |
c8e858fe | 2181 | if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) { |
6497b247 | 2182 | instance->instancet->clear_intr(instance->reg_set); |
9c915a8c AR |
2183 | /* If we didn't complete any commands, check for FW fault */ |
2184 | fw_state = instance->instancet->read_fw_status_reg( | |
2185 | instance->reg_set) & MFI_STATE_MASK; | |
fc62b3fc SS |
2186 | dma_state = instance->instancet->read_fw_status_reg |
2187 | (instance->reg_set) & MFI_STATE_DMADONE; | |
2188 | if (instance->crash_dump_drv_support && | |
2189 | instance->crash_dump_app_support) { | |
2190 | /* Start collecting crash, if DMA bit is done */ | |
2191 | if ((fw_state == MFI_STATE_FAULT) && dma_state) | |
2192 | schedule_work(&instance->crash_init); | |
2193 | else if (fw_state == MFI_STATE_FAULT) | |
2194 | schedule_work(&instance->work_init); | |
2195 | } else if (fw_state == MFI_STATE_FAULT) { | |
229fe47c AR |
2196 | printk(KERN_WARNING "megaraid_sas: Iop2SysDoorbellInt" |
2197 | "for scsi%d\n", instance->host->host_no); | |
9c915a8c | 2198 | schedule_work(&instance->work_init); |
229fe47c | 2199 | } |
9c915a8c AR |
2200 | } |
2201 | ||
2202 | return IRQ_HANDLED; | |
2203 | } | |
2204 | ||
2205 | /** | |
2206 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
2207 | * @instance: Adapter soft state | |
2208 | * mfi_cmd: megasas_cmd pointer | |
2209 | * | |
2210 | */ | |
2211 | u8 | |
2212 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, | |
2213 | struct megasas_cmd *mfi_cmd) | |
2214 | { | |
2215 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
2216 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
2217 | struct megasas_cmd_fusion *cmd; | |
2218 | struct fusion_context *fusion; | |
2219 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
90dc9d98 | 2220 | u32 opcode; |
9c915a8c AR |
2221 | |
2222 | cmd = megasas_get_cmd_fusion(instance); | |
2223 | if (!cmd) | |
2224 | return 1; | |
2225 | ||
2226 | /* Save the smid. To be used for returning the cmd */ | |
2227 | mfi_cmd->context.smid = cmd->index; | |
9c915a8c AR |
2228 | cmd->sync_cmd_idx = mfi_cmd->index; |
2229 | ||
90dc9d98 SS |
2230 | /* Set this only for Blocked commands */ |
2231 | opcode = le32_to_cpu(mfi_cmd->frame->dcmd.opcode); | |
2232 | if ((opcode == MR_DCMD_LD_MAP_GET_INFO) | |
2233 | && (mfi_cmd->frame->dcmd.mbox.b[1] == 1)) | |
2234 | mfi_cmd->is_wait_event = 1; | |
2235 | ||
2236 | if (opcode == MR_DCMD_CTRL_EVENT_WAIT) | |
2237 | mfi_cmd->is_wait_event = 1; | |
2238 | ||
2239 | if (mfi_cmd->is_wait_event) | |
2240 | mfi_cmd->mpt_pthr_cmd_blocked = cmd; | |
2241 | ||
9c915a8c AR |
2242 | /* |
2243 | * For cmds where the flag is set, store the flag and check | |
2244 | * on completion. For cmds with this flag, don't call | |
2245 | * megasas_complete_cmd | |
2246 | */ | |
2247 | ||
6e755ddc | 2248 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
9c915a8c AR |
2249 | cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; |
2250 | ||
2251 | fusion = instance->ctrl_context; | |
2252 | io_req = cmd->io_request; | |
36807e67 | 2253 | |
21d3c710 SS |
2254 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
2255 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
36807e67 AR |
2256 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
2257 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
2258 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2259 | sgl_ptr_end->Flags = 0; | |
2260 | } | |
2261 | ||
9c915a8c AR |
2262 | mpi25_ieee_chain = |
2263 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
2264 | ||
2265 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
2266 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
2267 | SGL) / 4; | |
2268 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
2269 | ||
94cd65dd | 2270 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c AR |
2271 | |
2272 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2273 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
2274 | ||
94cd65dd | 2275 | mpi25_ieee_chain->Length = cpu_to_le32(MEGASAS_MAX_SZ_CHAIN_FRAME); |
9c915a8c AR |
2276 | |
2277 | return 0; | |
2278 | } | |
2279 | ||
2280 | /** | |
2281 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
2282 | * @instance: Adapter soft state | |
2283 | * @cmd: mfi cmd to build | |
2284 | * | |
2285 | */ | |
2286 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2287 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2288 | { | |
2289 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2290 | u16 index; | |
2291 | ||
2292 | if (build_mpt_mfi_pass_thru(instance, cmd)) { | |
2293 | printk(KERN_ERR "Couldn't build MFI pass thru cmd\n"); | |
2294 | return NULL; | |
2295 | } | |
2296 | ||
2297 | index = cmd->context.smid; | |
2298 | ||
2299 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
2300 | ||
2301 | if (!req_desc) | |
2302 | return NULL; | |
2303 | ||
2304 | req_desc->Words = 0; | |
2305 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2306 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2307 | ||
94cd65dd | 2308 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
2309 | |
2310 | return req_desc; | |
2311 | } | |
2312 | ||
2313 | /** | |
2314 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
2315 | * @instance: Adapter soft state | |
2316 | * @cmd: mfi cmd pointer | |
2317 | * | |
2318 | */ | |
2319 | void | |
2320 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, | |
2321 | struct megasas_cmd *cmd) | |
2322 | { | |
2323 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c AR |
2324 | |
2325 | req_desc = build_mpt_cmd(instance, cmd); | |
2326 | if (!req_desc) { | |
2327 | printk(KERN_ERR "Couldn't issue MFI pass thru cmd\n"); | |
2328 | return; | |
2329 | } | |
90dc9d98 | 2330 | atomic_set(&cmd->mfi_mpt_pthr, MFI_MPT_ATTACHED); |
9c915a8c AR |
2331 | instance->instancet->fire_cmd(instance, req_desc->u.low, |
2332 | req_desc->u.high, instance->reg_set); | |
2333 | } | |
2334 | ||
2335 | /** | |
2336 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 2337 | * @instance: Adapter soft state |
9c915a8c AR |
2338 | */ |
2339 | void | |
2340 | megasas_release_fusion(struct megasas_instance *instance) | |
2341 | { | |
2342 | megasas_free_cmds(instance); | |
2343 | megasas_free_cmds_fusion(instance); | |
2344 | ||
2345 | iounmap(instance->reg_set); | |
2346 | ||
2347 | pci_release_selected_regions(instance->pdev, instance->bar); | |
2348 | } | |
2349 | ||
2350 | /** | |
2351 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
2352 | * @regs: MFI register set | |
2353 | */ | |
2354 | static u32 | |
2355 | megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs) | |
2356 | { | |
2357 | return readl(&(regs)->outbound_scratch_pad); | |
2358 | } | |
2359 | ||
fc62b3fc SS |
2360 | /** |
2361 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2362 | * @instance: Controller's soft instance | |
2363 | * return: Number of allocated host crash buffers | |
2364 | */ | |
2365 | static void | |
2366 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
2367 | { | |
2368 | unsigned int i; | |
2369 | ||
2370 | instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE); | |
2371 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { | |
2372 | instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL, | |
2373 | instance->crash_buf_pages); | |
2374 | if (!instance->crash_buf[i]) { | |
2375 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
2376 | "memory allocation failed at index %d\n", i); | |
2377 | break; | |
2378 | } | |
d009b576 SS |
2379 | memset(instance->crash_buf[i], 0, |
2380 | ((1 << PAGE_SHIFT) << instance->crash_buf_pages)); | |
fc62b3fc SS |
2381 | } |
2382 | instance->drv_buf_alloc = i; | |
2383 | } | |
2384 | ||
2385 | /** | |
2386 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2387 | * @instance: Controller's soft instance | |
2388 | */ | |
2389 | void | |
2390 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
2391 | { | |
2392 | unsigned int i | |
2393 | ; | |
2394 | for (i = 0; i < instance->drv_buf_alloc; i++) { | |
2395 | if (instance->crash_buf[i]) | |
2396 | free_pages((ulong)instance->crash_buf[i], | |
2397 | instance->crash_buf_pages); | |
2398 | } | |
2399 | instance->drv_buf_index = 0; | |
2400 | instance->drv_buf_alloc = 0; | |
2401 | instance->fw_crash_state = UNAVAILABLE; | |
2402 | instance->fw_crash_buffer_size = 0; | |
2403 | } | |
2404 | ||
9c915a8c AR |
2405 | /** |
2406 | * megasas_adp_reset_fusion - For controller reset | |
2407 | * @regs: MFI register set | |
2408 | */ | |
2409 | static int | |
2410 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
2411 | struct megasas_register_set __iomem *regs) | |
2412 | { | |
2413 | return 0; | |
2414 | } | |
2415 | ||
2416 | /** | |
2417 | * megasas_check_reset_fusion - For controller reset check | |
2418 | * @regs: MFI register set | |
2419 | */ | |
2420 | static int | |
2421 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
2422 | struct megasas_register_set __iomem *regs) | |
2423 | { | |
2424 | return 0; | |
2425 | } | |
2426 | ||
2427 | /* This function waits for outstanding commands on fusion to complete */ | |
229fe47c AR |
2428 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
2429 | int iotimeout, int *convert) | |
9c915a8c | 2430 | { |
229fe47c | 2431 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 2432 | u32 fw_state; |
9c915a8c | 2433 | |
c007b8b2 | 2434 | for (i = 0; i < resetwaittime; i++) { |
9c915a8c AR |
2435 | /* Check if firmware is in fault state */ |
2436 | fw_state = instance->instancet->read_fw_status_reg( | |
2437 | instance->reg_set) & MFI_STATE_MASK; | |
2438 | if (fw_state == MFI_STATE_FAULT) { | |
2439 | printk(KERN_WARNING "megasas: Found FW in FAULT state," | |
229fe47c AR |
2440 | " will reset adapter scsi%d.\n", |
2441 | instance->host->host_no); | |
2442 | retval = 1; | |
2443 | goto out; | |
2444 | } | |
2445 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ | |
2446 | if (instance->requestorId && !iotimeout) { | |
9c915a8c AR |
2447 | retval = 1; |
2448 | goto out; | |
2449 | } | |
2450 | ||
229fe47c AR |
2451 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
2452 | if (instance->requestorId && iotimeout) { | |
2453 | if (instance->hb_host_mem->HB.fwCounter != | |
2454 | instance->hb_host_mem->HB.driverCounter) { | |
2455 | instance->hb_host_mem->HB.driverCounter = | |
2456 | instance->hb_host_mem->HB.fwCounter; | |
2457 | hb_seconds_missed = 0; | |
2458 | } else { | |
2459 | hb_seconds_missed++; | |
2460 | if (hb_seconds_missed == | |
2461 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
2462 | printk(KERN_WARNING "megasas: SR-IOV:" | |
2463 | " Heartbeat never completed " | |
2464 | " while polling during I/O " | |
2465 | " timeout handling for " | |
2466 | "scsi%d.\n", | |
2467 | instance->host->host_no); | |
2468 | *convert = 1; | |
2469 | retval = 1; | |
2470 | goto out; | |
2471 | } | |
2472 | } | |
2473 | } | |
2474 | ||
9c915a8c AR |
2475 | outstanding = atomic_read(&instance->fw_outstanding); |
2476 | if (!outstanding) | |
2477 | goto out; | |
2478 | ||
2479 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
2480 | printk(KERN_NOTICE "megasas: [%2d]waiting for %d " | |
229fe47c AR |
2481 | "commands to complete for scsi%d\n", i, |
2482 | outstanding, instance->host->host_no); | |
9c915a8c AR |
2483 | megasas_complete_cmd_dpc_fusion( |
2484 | (unsigned long)instance); | |
2485 | } | |
2486 | msleep(1000); | |
2487 | } | |
2488 | ||
2489 | if (atomic_read(&instance->fw_outstanding)) { | |
2490 | printk("megaraid_sas: pending commands remain after waiting, " | |
229fe47c AR |
2491 | "will reset adapter scsi%d.\n", |
2492 | instance->host->host_no); | |
9c915a8c AR |
2493 | retval = 1; |
2494 | } | |
2495 | out: | |
2496 | return retval; | |
2497 | } | |
2498 | ||
2499 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
2500 | { | |
c8e858fe | 2501 | int i, count; |
9c915a8c AR |
2502 | struct fusion_context *fusion; |
2503 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
2504 | ||
2505 | fusion = instance->ctrl_context; | |
c8e858fe AR |
2506 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
2507 | for (i = 0 ; i < count ; i++) | |
2508 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 2509 | reply_desc = fusion->reply_frames_desc; |
c8e858fe | 2510 | for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++) |
9c915a8c AR |
2511 | reply_desc->Words = ULLONG_MAX; |
2512 | } | |
2513 | ||
229fe47c AR |
2514 | /* Check for a second path that is currently UP */ |
2515 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
2516 | struct scsi_cmnd *scmd) | |
2517 | { | |
2518 | int i, j, retval = (DID_RESET << 16); | |
2519 | ||
2520 | if (instance->mpio && instance->requestorId) { | |
2521 | for (i = 0 ; i < MAX_MGMT_ADAPTERS ; i++) | |
2522 | for (j = 0 ; j < MAX_LOGICAL_DRIVES; j++) | |
2523 | if (megasas_mgmt_info.instance[i] && | |
2524 | (megasas_mgmt_info.instance[i] != instance) && | |
2525 | megasas_mgmt_info.instance[i]->mpio && | |
2526 | megasas_mgmt_info.instance[i]->requestorId | |
2527 | && | |
2528 | (megasas_mgmt_info.instance[i]->ld_ids[j] | |
2529 | == scmd->device->id)) { | |
2530 | retval = (DID_NO_CONNECT << 16); | |
2531 | goto out; | |
2532 | } | |
2533 | } | |
2534 | out: | |
2535 | return retval; | |
2536 | } | |
2537 | ||
9c915a8c | 2538 | /* Core fusion reset function */ |
229fe47c | 2539 | int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) |
9c915a8c | 2540 | { |
229fe47c | 2541 | int retval = SUCCESS, i, j, retry = 0, convert = 0; |
9c915a8c AR |
2542 | struct megasas_instance *instance; |
2543 | struct megasas_cmd_fusion *cmd_fusion; | |
2544 | struct fusion_context *fusion; | |
2545 | struct megasas_cmd *cmd_mfi; | |
2546 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
7e70e733 | 2547 | u32 host_diag, abs_state, status_reg, reset_adapter; |
fc62b3fc | 2548 | u32 io_timeout_in_crash_mode = 0; |
9c915a8c AR |
2549 | |
2550 | instance = (struct megasas_instance *)shost->hostdata; | |
2551 | fusion = instance->ctrl_context; | |
2552 | ||
229fe47c AR |
2553 | mutex_lock(&instance->reset_mutex); |
2554 | ||
9c915a8c AR |
2555 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
2556 | printk(KERN_WARNING "megaraid_sas: Hardware critical error, " | |
229fe47c AR |
2557 | "returning FAILED for scsi%d.\n", |
2558 | instance->host->host_no); | |
a2fbcbc3 | 2559 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 2560 | return FAILED; |
9c915a8c | 2561 | } |
fc62b3fc SS |
2562 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); |
2563 | abs_state = status_reg & MFI_STATE_MASK; | |
2564 | ||
2565 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
2566 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
2567 | instance->crash_dump_app_support && iotimeout) { | |
2568 | dev_info(&instance->pdev->dev, "IO timeout is detected, " | |
2569 | "forcibly FAULT Firmware\n"); | |
2570 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; | |
2571 | status_reg = readl(&instance->reg_set->doorbell); | |
2572 | writel(status_reg | MFI_STATE_FORCE_OCR, | |
2573 | &instance->reg_set->doorbell); | |
2574 | readl(&instance->reg_set->doorbell); | |
2575 | mutex_unlock(&instance->reset_mutex); | |
2576 | do { | |
2577 | ssleep(3); | |
2578 | io_timeout_in_crash_mode++; | |
2579 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
2580 | "seconds for crash dump collection and OCR " | |
2581 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
2582 | } while ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && | |
2583 | (io_timeout_in_crash_mode < 80)); | |
2584 | ||
2585 | if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { | |
2586 | dev_info(&instance->pdev->dev, "OCR done for IO " | |
2587 | "timeout case\n"); | |
2588 | retval = SUCCESS; | |
2589 | } else { | |
2590 | dev_info(&instance->pdev->dev, "Controller is not " | |
2591 | "operational after 240 seconds wait for IO " | |
2592 | "timeout case in FW crash dump mode\n do " | |
2593 | "OCR/kill adapter\n"); | |
2594 | retval = megasas_reset_fusion(shost, 0); | |
2595 | } | |
2596 | return retval; | |
2597 | } | |
9c915a8c | 2598 | |
229fe47c AR |
2599 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
2600 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 2601 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
229fe47c | 2602 | instance->adprecovery = MEGASAS_ADPRESET_SM_POLLING; |
d46a3ad6 | 2603 | instance->instancet->disable_intr(instance); |
7e70e733 AR |
2604 | msleep(1000); |
2605 | ||
9c915a8c | 2606 | /* First try waiting for commands to complete */ |
229fe47c AR |
2607 | if (megasas_wait_for_outstanding_fusion(instance, iotimeout, |
2608 | &convert)) { | |
2609 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; | |
9c915a8c | 2610 | printk(KERN_WARNING "megaraid_sas: resetting fusion " |
229fe47c AR |
2611 | "adapter scsi%d.\n", instance->host->host_no); |
2612 | if (convert) | |
2613 | iotimeout = 0; | |
2614 | ||
9c915a8c AR |
2615 | /* Now return commands back to the OS */ |
2616 | for (i = 0 ; i < instance->max_fw_cmds; i++) { | |
2617 | cmd_fusion = fusion->cmd_list[i]; | |
2618 | if (cmd_fusion->scmd) { | |
2619 | scsi_dma_unmap(cmd_fusion->scmd); | |
229fe47c AR |
2620 | cmd_fusion->scmd->result = |
2621 | megasas_check_mpio_paths(instance, | |
2622 | cmd_fusion->scmd); | |
9c915a8c AR |
2623 | cmd_fusion->scmd->scsi_done(cmd_fusion->scmd); |
2624 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
2625 | atomic_dec(&instance->fw_outstanding); | |
2626 | } | |
2627 | } | |
2628 | ||
7e70e733 AR |
2629 | status_reg = instance->instancet->read_fw_status_reg( |
2630 | instance->reg_set); | |
2631 | abs_state = status_reg & MFI_STATE_MASK; | |
2632 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
2633 | if (instance->disableOnlineCtrlReset || | |
2634 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c AR |
2635 | /* Reset not supported, kill adapter */ |
2636 | printk(KERN_WARNING "megaraid_sas: Reset not supported" | |
229fe47c AR |
2637 | ", killing adapter scsi%d.\n", |
2638 | instance->host->host_no); | |
9c915a8c | 2639 | megaraid_sas_kill_hba(instance); |
229fe47c | 2640 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
2641 | retval = FAILED; |
2642 | goto out; | |
2643 | } | |
2644 | ||
229fe47c AR |
2645 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
2646 | if (instance->requestorId && !iotimeout) { | |
2647 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); | |
2648 | /* Look for a late HB update after VF settle time */ | |
2649 | if (abs_state == MFI_STATE_OPERATIONAL && | |
2650 | (instance->hb_host_mem->HB.fwCounter != | |
2651 | instance->hb_host_mem->HB.driverCounter)) { | |
2652 | instance->hb_host_mem->HB.driverCounter = | |
2653 | instance->hb_host_mem->HB.fwCounter; | |
2654 | printk(KERN_WARNING "megasas: SR-IOV:" | |
2655 | "Late FW heartbeat update for " | |
2656 | "scsi%d.\n", | |
2657 | instance->host->host_no); | |
2658 | } else { | |
2659 | /* In VF mode, first poll for FW ready */ | |
2660 | for (i = 0; | |
2661 | i < (MEGASAS_RESET_WAIT_TIME * 1000); | |
2662 | i += 20) { | |
2663 | status_reg = | |
2664 | instance->instancet-> | |
2665 | read_fw_status_reg( | |
2666 | instance->reg_set); | |
2667 | abs_state = status_reg & | |
2668 | MFI_STATE_MASK; | |
2669 | if (abs_state == MFI_STATE_READY) { | |
2670 | printk(KERN_WARNING "megasas" | |
2671 | ": SR-IOV: FW was found" | |
2672 | "to be in ready state " | |
2673 | "for scsi%d.\n", | |
2674 | instance->host->host_no); | |
2675 | break; | |
2676 | } | |
2677 | msleep(20); | |
2678 | } | |
2679 | if (abs_state != MFI_STATE_READY) { | |
2680 | printk(KERN_WARNING "megasas: SR-IOV: " | |
2681 | "FW not in ready state after %d" | |
2682 | " seconds for scsi%d, status_reg = " | |
2683 | "0x%x.\n", | |
2684 | MEGASAS_RESET_WAIT_TIME, | |
2685 | instance->host->host_no, | |
2686 | status_reg); | |
2687 | megaraid_sas_kill_hba(instance); | |
2688 | instance->skip_heartbeat_timer_del = 1; | |
2689 | instance->adprecovery = | |
2690 | MEGASAS_HW_CRITICAL_ERROR; | |
2691 | retval = FAILED; | |
2692 | goto out; | |
2693 | } | |
2694 | } | |
2695 | } | |
2696 | ||
9c915a8c AR |
2697 | /* Now try to reset the chip */ |
2698 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
2699 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, | |
2700 | &instance->reg_set->fusion_seq_offset); | |
2701 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, | |
2702 | &instance->reg_set->fusion_seq_offset); | |
2703 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, | |
2704 | &instance->reg_set->fusion_seq_offset); | |
2705 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, | |
2706 | &instance->reg_set->fusion_seq_offset); | |
2707 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, | |
2708 | &instance->reg_set->fusion_seq_offset); | |
2709 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, | |
2710 | &instance->reg_set->fusion_seq_offset); | |
2711 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, | |
2712 | &instance->reg_set->fusion_seq_offset); | |
2713 | ||
2714 | /* Check that the diag write enable (DRWE) bit is on */ | |
2715 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
7e70e733 | 2716 | retry = 0; |
9c915a8c AR |
2717 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { |
2718 | msleep(100); | |
2719 | host_diag = | |
2720 | readl(&instance->reg_set->fusion_host_diag); | |
2721 | if (retry++ == 100) { | |
2722 | printk(KERN_WARNING "megaraid_sas: " | |
229fe47c AR |
2723 | "Host diag unlock failed! " |
2724 | "for scsi%d\n", | |
2725 | instance->host->host_no); | |
9c915a8c AR |
2726 | break; |
2727 | } | |
2728 | } | |
2729 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
2730 | continue; | |
2731 | ||
2732 | /* Send chip reset command */ | |
2733 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
2734 | &instance->reg_set->fusion_host_diag); | |
2735 | msleep(3000); | |
2736 | ||
2737 | /* Make sure reset adapter bit is cleared */ | |
2738 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2739 | retry = 0; | |
2740 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
2741 | msleep(100); | |
2742 | host_diag = | |
2743 | readl(&instance->reg_set->fusion_host_diag); | |
2744 | if (retry++ == 1000) { | |
2745 | printk(KERN_WARNING "megaraid_sas: " | |
2746 | "Diag reset adapter never " | |
229fe47c AR |
2747 | "cleared for scsi%d!\n", |
2748 | instance->host->host_no); | |
9c915a8c AR |
2749 | break; |
2750 | } | |
2751 | } | |
2752 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
2753 | continue; | |
2754 | ||
2755 | abs_state = | |
2756 | instance->instancet->read_fw_status_reg( | |
7e70e733 | 2757 | instance->reg_set) & MFI_STATE_MASK; |
9c915a8c AR |
2758 | retry = 0; |
2759 | ||
2760 | while ((abs_state <= MFI_STATE_FW_INIT) && | |
2761 | (retry++ < 1000)) { | |
2762 | msleep(100); | |
2763 | abs_state = | |
2764 | instance->instancet->read_fw_status_reg( | |
7e70e733 | 2765 | instance->reg_set) & MFI_STATE_MASK; |
9c915a8c AR |
2766 | } |
2767 | if (abs_state <= MFI_STATE_FW_INIT) { | |
2768 | printk(KERN_WARNING "megaraid_sas: firmware " | |
2769 | "state < MFI_STATE_FW_INIT, state = " | |
229fe47c AR |
2770 | "0x%x for scsi%d\n", abs_state, |
2771 | instance->host->host_no); | |
9c915a8c AR |
2772 | continue; |
2773 | } | |
2774 | ||
2775 | /* Wait for FW to become ready */ | |
058a8fac | 2776 | if (megasas_transition_to_ready(instance, 1)) { |
9c915a8c | 2777 | printk(KERN_WARNING "megaraid_sas: Failed to " |
229fe47c AR |
2778 | "transition controller to ready " |
2779 | "for scsi%d.\n", | |
2780 | instance->host->host_no); | |
9c915a8c AR |
2781 | continue; |
2782 | } | |
2783 | ||
2784 | megasas_reset_reply_desc(instance); | |
2785 | if (megasas_ioc_init_fusion(instance)) { | |
2786 | printk(KERN_WARNING "megaraid_sas: " | |
229fe47c AR |
2787 | "megasas_ioc_init_fusion() failed!" |
2788 | " for scsi%d\n", | |
2789 | instance->host->host_no); | |
9c915a8c AR |
2790 | continue; |
2791 | } | |
2792 | ||
9c915a8c AR |
2793 | /* Re-fire management commands */ |
2794 | for (j = 0 ; j < instance->max_fw_cmds; j++) { | |
2795 | cmd_fusion = fusion->cmd_list[j]; | |
2796 | if (cmd_fusion->sync_cmd_idx != | |
2797 | (u32)ULONG_MAX) { | |
2798 | cmd_mfi = | |
2799 | instance-> | |
2800 | cmd_list[cmd_fusion->sync_cmd_idx]; | |
2801 | if (cmd_mfi->frame->dcmd.opcode == | |
be26374b | 2802 | cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) { |
90dc9d98 | 2803 | megasas_return_mfi_mpt_pthr(instance, cmd_mfi, cmd_fusion); |
9c915a8c AR |
2804 | } else { |
2805 | req_desc = | |
2806 | megasas_get_request_descriptor( | |
2807 | instance, | |
2808 | cmd_mfi->context.smid | |
2809 | -1); | |
3d0c24cd | 2810 | if (!req_desc) { |
9c915a8c AR |
2811 | printk(KERN_WARNING |
2812 | "req_desc NULL" | |
229fe47c AR |
2813 | " for scsi%d\n", |
2814 | instance->host->host_no); | |
3d0c24cd AR |
2815 | /* Return leaked MPT |
2816 | frame */ | |
2817 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
2818 | } else { | |
9c915a8c AR |
2819 | instance->instancet-> |
2820 | fire_cmd(instance, | |
2821 | req_desc-> | |
2822 | u.low, | |
2823 | req_desc-> | |
2824 | u.high, | |
2825 | instance-> | |
2826 | reg_set); | |
2827 | } | |
2828 | } | |
2829 | } | |
2830 | } | |
2831 | ||
d009b576 SS |
2832 | if (megasas_get_ctrl_info(instance)) { |
2833 | dev_info(&instance->pdev->dev, | |
2834 | "Failed from %s %d\n", | |
2835 | __func__, __LINE__); | |
d009b576 SS |
2836 | megaraid_sas_kill_hba(instance); |
2837 | retval = FAILED; | |
2838 | } | |
9c915a8c AR |
2839 | /* Reset load balance info */ |
2840 | memset(fusion->load_balance_info, 0, | |
2841 | sizeof(struct LD_LOAD_BALANCE_INFO) | |
51087a86 | 2842 | *MAX_LOGICAL_DRIVES_EXT); |
9c915a8c AR |
2843 | |
2844 | if (!megasas_get_map_info(instance)) | |
2845 | megasas_sync_map_info(instance); | |
2846 | ||
ac340c5f SS |
2847 | clear_bit(MEGASAS_FUSION_IN_RESET, |
2848 | &instance->reset_flags); | |
2849 | instance->instancet->enable_intr(instance); | |
2850 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; | |
2851 | ||
229fe47c AR |
2852 | /* Restart SR-IOV heartbeat */ |
2853 | if (instance->requestorId) { | |
2854 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
2855 | megasas_start_timer(instance, | |
2856 | &instance->sriov_heartbeat_timer, | |
2857 | megasas_sriov_heartbeat_handler, | |
2858 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2859 | else | |
2860 | instance->skip_heartbeat_timer_del = 1; | |
2861 | } | |
2862 | ||
9c915a8c AR |
2863 | /* Adapter reset completed successfully */ |
2864 | printk(KERN_WARNING "megaraid_sas: Reset " | |
229fe47c AR |
2865 | "successful for scsi%d.\n", |
2866 | instance->host->host_no); | |
fc62b3fc | 2867 | |
ac340c5f SS |
2868 | if (instance->crash_dump_drv_support && |
2869 | instance->crash_dump_app_support) | |
2870 | megasas_set_crash_dump_params(instance, | |
2871 | MR_CRASH_BUF_TURN_ON); | |
2872 | else | |
2873 | megasas_set_crash_dump_params(instance, | |
2874 | MR_CRASH_BUF_TURN_OFF); | |
2875 | ||
9c915a8c AR |
2876 | retval = SUCCESS; |
2877 | goto out; | |
2878 | } | |
2879 | /* Reset failed, kill the adapter */ | |
2880 | printk(KERN_WARNING "megaraid_sas: Reset failed, killing " | |
229fe47c | 2881 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 2882 | megaraid_sas_kill_hba(instance); |
229fe47c | 2883 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
2884 | retval = FAILED; |
2885 | } else { | |
229fe47c AR |
2886 | /* For VF: Restart HB timer if we didn't OCR */ |
2887 | if (instance->requestorId) { | |
2888 | megasas_start_timer(instance, | |
2889 | &instance->sriov_heartbeat_timer, | |
2890 | megasas_sriov_heartbeat_handler, | |
2891 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2892 | } | |
3f0e58bc | 2893 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 2894 | instance->instancet->enable_intr(instance); |
9c915a8c AR |
2895 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; |
2896 | } | |
2897 | out: | |
2898 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
2899 | mutex_unlock(&instance->reset_mutex); | |
2900 | return retval; | |
2901 | } | |
2902 | ||
fc62b3fc SS |
2903 | /* Fusion Crash dump collection work queue */ |
2904 | void megasas_fusion_crash_dump_wq(struct work_struct *work) | |
2905 | { | |
2906 | struct megasas_instance *instance = | |
2907 | container_of(work, struct megasas_instance, crash_init); | |
2908 | u32 status_reg; | |
2909 | u8 partial_copy = 0; | |
2910 | ||
2911 | ||
2912 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); | |
2913 | ||
2914 | /* | |
2915 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
2916 | * to host crash buffers | |
2917 | */ | |
2918 | if (instance->drv_buf_index == 0) { | |
2919 | /* Buffer is already allocated for old Crash dump. | |
2920 | * Do OCR and do not wait for crash dump collection | |
2921 | */ | |
2922 | if (instance->drv_buf_alloc) { | |
2923 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
2924 | "not yet copied by application, ignoring this " | |
2925 | "crash dump and initiating OCR\n"); | |
2926 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
2927 | writel(status_reg, | |
2928 | &instance->reg_set->outbound_scratch_pad); | |
2929 | readl(&instance->reg_set->outbound_scratch_pad); | |
2930 | return; | |
2931 | } | |
2932 | megasas_alloc_host_crash_buffer(instance); | |
2933 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
2934 | "allocated: %d\n", instance->drv_buf_alloc); | |
2935 | } | |
2936 | ||
2937 | /* | |
2938 | * Driver has allocated max buffers, which can be allocated | |
2939 | * and FW has more crash dump data, then driver will | |
2940 | * ignore the data. | |
2941 | */ | |
2942 | if (instance->drv_buf_index >= (instance->drv_buf_alloc)) { | |
2943 | dev_info(&instance->pdev->dev, "Driver is done copying " | |
2944 | "the buffer: %d\n", instance->drv_buf_alloc); | |
2945 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
2946 | partial_copy = 1; | |
2947 | } else { | |
2948 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
2949 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
2950 | instance->drv_buf_index++; | |
2951 | status_reg &= ~MFI_STATE_DMADONE; | |
2952 | } | |
2953 | ||
2954 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
2955 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
2956 | "of copied buffers: %d\n", instance->drv_buf_index); | |
2957 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
2958 | instance->fw_crash_state = AVAILABLE; | |
2959 | instance->drv_buf_index = 0; | |
2960 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
2961 | readl(&instance->reg_set->outbound_scratch_pad); | |
2962 | if (!partial_copy) | |
2963 | megasas_reset_fusion(instance->host, 0); | |
2964 | } else { | |
2965 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
2966 | readl(&instance->reg_set->outbound_scratch_pad); | |
2967 | } | |
2968 | } | |
2969 | ||
2970 | ||
9c915a8c AR |
2971 | /* Fusion OCR work queue */ |
2972 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
2973 | { | |
2974 | struct megasas_instance *instance = | |
2975 | container_of(work, struct megasas_instance, work_init); | |
2976 | ||
229fe47c | 2977 | megasas_reset_fusion(instance->host, 0); |
9c915a8c AR |
2978 | } |
2979 | ||
2980 | struct megasas_instance_template megasas_instance_template_fusion = { | |
2981 | .fire_cmd = megasas_fire_cmd_fusion, | |
2982 | .enable_intr = megasas_enable_intr_fusion, | |
2983 | .disable_intr = megasas_disable_intr_fusion, | |
2984 | .clear_intr = megasas_clear_intr_fusion, | |
2985 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
2986 | .adp_reset = megasas_adp_reset_fusion, | |
2987 | .check_reset = megasas_check_reset_fusion, | |
2988 | .service_isr = megasas_isr_fusion, | |
2989 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
2990 | .init_adapter = megasas_init_adapter_fusion, | |
2991 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
2992 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
2993 | }; |