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9c915a8c AR |
1 | /* |
2 | * Linux MegaRAID driver for SAS based RAID controllers | |
3 | * | |
e399065b | 4 | * Copyright (c) 2009-2013 LSI Corporation |
365597cf S |
5 | * Copyright (c) 2013-2016 Avago Technologies |
6 | * Copyright (c) 2016-2018 Broadcom Inc. | |
9c915a8c AR |
7 | * |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version 2 | |
11 | * of the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
e399065b | 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
9c915a8c AR |
20 | * |
21 | * FILE: megaraid_sas_fusion.c | |
22 | * | |
365597cf | 23 | * Authors: Broadcom Inc. |
9c915a8c | 24 | * Sumant Patro |
e399065b | 25 | * Adam Radford |
365597cf S |
26 | * Kashyap Desai <kashyap.desai@broadcom.com> |
27 | * Sumit Saxena <sumit.saxena@broadcom.com> | |
9c915a8c | 28 | * |
365597cf | 29 | * Send feedback to: megaraidlinux.pdl@broadcom.com |
9c915a8c AR |
30 | */ |
31 | ||
32 | #include <linux/kernel.h> | |
33 | #include <linux/types.h> | |
34 | #include <linux/pci.h> | |
35 | #include <linux/list.h> | |
36 | #include <linux/moduleparam.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/spinlock.h> | |
39 | #include <linux/interrupt.h> | |
40 | #include <linux/delay.h> | |
9c915a8c AR |
41 | #include <linux/uio.h> |
42 | #include <linux/uaccess.h> | |
43 | #include <linux/fs.h> | |
44 | #include <linux/compat.h> | |
45 | #include <linux/blkdev.h> | |
46 | #include <linux/mutex.h> | |
47 | #include <linux/poll.h> | |
5fc499b6 | 48 | #include <linux/vmalloc.h> |
3f6194af | 49 | #include <linux/workqueue.h> |
9c915a8c AR |
50 | |
51 | #include <scsi/scsi.h> | |
52 | #include <scsi/scsi_cmnd.h> | |
53 | #include <scsi/scsi_device.h> | |
54 | #include <scsi/scsi_host.h> | |
90dc9d98 | 55 | #include <scsi/scsi_dbg.h> |
5765c5b8 | 56 | #include <linux/dmi.h> |
9c915a8c AR |
57 | |
58 | #include "megaraid_sas_fusion.h" | |
59 | #include "megaraid_sas.h" | |
60 | ||
4026e9aa | 61 | |
9c915a8c AR |
62 | extern void megasas_free_cmds(struct megasas_instance *instance); |
63 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
64 | *instance); | |
65 | extern void | |
66 | megasas_complete_cmd(struct megasas_instance *instance, | |
67 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 68 | int |
229fe47c AR |
69 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
70 | int seconds); | |
9c915a8c AR |
71 | |
72 | void | |
73 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
74 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
75 | int | |
de516379 | 76 | megasas_clear_intr_fusion(struct megasas_instance *instance); |
9c915a8c AR |
77 | int |
78 | megasas_issue_polled(struct megasas_instance *instance, | |
79 | struct megasas_cmd *cmd); | |
53ef2bbd AR |
80 | void |
81 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
82 | ||
058a8fac | 83 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c AR |
84 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
85 | ||
86 | extern u32 megasas_dbg_lvl; | |
229fe47c AR |
87 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, |
88 | int initial); | |
c251a7be | 89 | void megasas_start_timer(struct megasas_instance *instance); |
229fe47c | 90 | extern struct megasas_mgmt_info megasas_mgmt_info; |
e3d178ca | 91 | extern unsigned int resetwaittime; |
308ec459 | 92 | extern unsigned int dual_qdepth_disable; |
179ac142 SS |
93 | static void megasas_free_rdpq_fusion(struct megasas_instance *instance); |
94 | static void megasas_free_reply_fusion(struct megasas_instance *instance); | |
e97e673c S |
95 | static inline |
96 | void megasas_configure_queue_sizes(struct megasas_instance *instance); | |
3f6194af | 97 | static void megasas_fusion_crash_dump(struct megasas_instance *instance); |
272652fc S |
98 | extern u32 megasas_readl(struct megasas_instance *instance, |
99 | const volatile void __iomem *addr); | |
9c915a8c | 100 | |
107a60dd S |
101 | /** |
102 | * megasas_check_same_4gb_region - check if allocation | |
103 | * crosses same 4GB boundary or not | |
104 | * @instance - adapter's soft instance | |
105 | * start_addr - start address of DMA allocation | |
106 | * size - size of allocation in bytes | |
107 | * return - true : allocation does not cross same | |
108 | * 4GB boundary | |
109 | * false: allocation crosses same | |
110 | * 4GB boundary | |
111 | */ | |
112 | static inline bool megasas_check_same_4gb_region | |
113 | (struct megasas_instance *instance, dma_addr_t start_addr, size_t size) | |
114 | { | |
115 | dma_addr_t end_addr; | |
116 | ||
117 | end_addr = start_addr + size; | |
fc62b3fc | 118 | |
107a60dd S |
119 | if (upper_32_bits(start_addr) != upper_32_bits(end_addr)) { |
120 | dev_err(&instance->pdev->dev, | |
121 | "Failed to get same 4GB boundary: start_addr: 0x%llx end_addr: 0x%llx\n", | |
122 | (unsigned long long)start_addr, | |
123 | (unsigned long long)end_addr); | |
124 | return false; | |
125 | } | |
126 | ||
127 | return true; | |
128 | } | |
fc62b3fc | 129 | |
9c915a8c AR |
130 | /** |
131 | * megasas_enable_intr_fusion - Enables interrupts | |
132 | * @regs: MFI register set | |
133 | */ | |
134 | void | |
d46a3ad6 | 135 | megasas_enable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 136 | { |
d46a3ad6 SS |
137 | struct megasas_register_set __iomem *regs; |
138 | regs = instance->reg_set; | |
c2ced171 SS |
139 | |
140 | instance->mask_interrupts = 0; | |
6497b247 AR |
141 | /* For Thunderbolt/Invader also clear intr on enable */ |
142 | writel(~0, ®s->outbound_intr_status); | |
143 | readl(®s->outbound_intr_status); | |
144 | ||
9c915a8c AR |
145 | writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); |
146 | ||
147 | /* Dummy readl to force pci flush */ | |
148 | readl(®s->outbound_intr_mask); | |
149 | } | |
150 | ||
151 | /** | |
152 | * megasas_disable_intr_fusion - Disables interrupt | |
153 | * @regs: MFI register set | |
154 | */ | |
155 | void | |
d46a3ad6 | 156 | megasas_disable_intr_fusion(struct megasas_instance *instance) |
9c915a8c AR |
157 | { |
158 | u32 mask = 0xFFFFFFFF; | |
159 | u32 status; | |
d46a3ad6 SS |
160 | struct megasas_register_set __iomem *regs; |
161 | regs = instance->reg_set; | |
162 | instance->mask_interrupts = 1; | |
9c915a8c AR |
163 | |
164 | writel(mask, ®s->outbound_intr_mask); | |
165 | /* Dummy readl to force pci flush */ | |
166 | status = readl(®s->outbound_intr_mask); | |
167 | } | |
168 | ||
169 | int | |
de516379 | 170 | megasas_clear_intr_fusion(struct megasas_instance *instance) |
9c915a8c AR |
171 | { |
172 | u32 status; | |
de516379 S |
173 | struct megasas_register_set __iomem *regs; |
174 | regs = instance->reg_set; | |
9c915a8c AR |
175 | /* |
176 | * Check if it is our interrupt | |
177 | */ | |
c65bfc81 S |
178 | status = megasas_readl(instance, |
179 | ®s->outbound_intr_status); | |
9c915a8c AR |
180 | |
181 | if (status & 1) { | |
182 | writel(status, ®s->outbound_intr_status); | |
183 | readl(®s->outbound_intr_status); | |
184 | return 1; | |
185 | } | |
186 | if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) | |
187 | return 0; | |
188 | ||
9c915a8c AR |
189 | return 1; |
190 | } | |
191 | ||
192 | /** | |
193 | * megasas_get_cmd_fusion - Get a command from the free pool | |
194 | * @instance: Adapter soft state | |
195 | * | |
4026e9aa | 196 | * Returns a blk_tag indexed mpt frame |
9c915a8c | 197 | */ |
4026e9aa SS |
198 | inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance |
199 | *instance, u32 blk_tag) | |
9c915a8c | 200 | { |
4026e9aa | 201 | struct fusion_context *fusion; |
9c915a8c | 202 | |
4026e9aa SS |
203 | fusion = instance->ctrl_context; |
204 | return fusion->cmd_list[blk_tag]; | |
9c915a8c AR |
205 | } |
206 | ||
207 | /** | |
208 | * megasas_return_cmd_fusion - Return a cmd to free command pool | |
209 | * @instance: Adapter soft state | |
210 | * @cmd: Command packet to be returned to free command pool | |
211 | */ | |
90dc9d98 SS |
212 | inline void megasas_return_cmd_fusion(struct megasas_instance *instance, |
213 | struct megasas_cmd_fusion *cmd) | |
9c915a8c | 214 | { |
9c915a8c | 215 | cmd->scmd = NULL; |
8bf7c65d S |
216 | memset(cmd->io_request, 0, MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE); |
217 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; | |
218 | cmd->cmd_completed = false; | |
90dc9d98 SS |
219 | } |
220 | ||
221 | /** | |
01d7f03b | 222 | * megasas_fire_cmd_fusion - Sends command to the FW |
45b8a35e | 223 | * @instance: Adapter soft state |
9ff97fa8 | 224 | * @req_desc: 64bit Request descriptor |
45b8a35e | 225 | * |
9ff97fa8 | 226 | * Perform PCI Write. |
90dc9d98 | 227 | */ |
45b8a35e | 228 | |
01d7f03b CH |
229 | static void |
230 | megasas_fire_cmd_fusion(struct megasas_instance *instance, | |
45b8a35e | 231 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc) |
90dc9d98 | 232 | { |
45b8a35e | 233 | #if defined(writeq) && defined(CONFIG_64BIT) |
9ff97fa8 S |
234 | u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | |
235 | le32_to_cpu(req_desc->u.low)); | |
45b8a35e | 236 | |
9ff97fa8 | 237 | writeq(req_data, &instance->reg_set->inbound_low_queue_port); |
45b8a35e | 238 | #else |
9ff97fa8 S |
239 | unsigned long flags; |
240 | spin_lock_irqsave(&instance->hba_lock, flags); | |
241 | writel(le32_to_cpu(req_desc->u.low), | |
242 | &instance->reg_set->inbound_low_queue_port); | |
243 | writel(le32_to_cpu(req_desc->u.high), | |
244 | &instance->reg_set->inbound_high_queue_port); | |
245 | mmiowb(); | |
246 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
01d7f03b | 247 | #endif |
9c915a8c AR |
248 | } |
249 | ||
308ec459 SS |
250 | /** |
251 | * megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here | |
252 | * @instance: Adapter soft state | |
253 | * fw_boot_context: Whether this function called during probe or after OCR | |
254 | * | |
255 | * This function is only for fusion controllers. | |
256 | * Update host can queue, if firmware downgrade max supported firmware commands. | |
257 | * Firmware upgrade case will be skiped because underlying firmware has | |
258 | * more resource than exposed to the OS. | |
259 | * | |
260 | */ | |
261 | static void | |
262 | megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_context) | |
263 | { | |
264 | u16 cur_max_fw_cmds = 0; | |
265 | u16 ldio_threshold = 0; | |
266 | struct megasas_register_set __iomem *reg_set; | |
267 | ||
268 | reg_set = instance->reg_set; | |
269 | ||
81b76452 | 270 | /* ventura FW does not fill outbound_scratch_pad_2 with queue depth */ |
f369a315 | 271 | if (instance->adapter_type < VENTURA_SERIES) |
9581ebeb | 272 | cur_max_fw_cmds = |
272652fc S |
273 | megasas_readl(instance, |
274 | &instance->reg_set->outbound_scratch_pad_2) & 0x00FFFF; | |
308ec459 SS |
275 | |
276 | if (dual_qdepth_disable || !cur_max_fw_cmds) | |
de516379 | 277 | cur_max_fw_cmds = instance->instancet->read_fw_status_reg(instance) & 0x00FFFF; |
308ec459 SS |
278 | else |
279 | ldio_threshold = | |
de516379 | 280 | (instance->instancet->read_fw_status_reg(instance) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS; |
308ec459 SS |
281 | |
282 | dev_info(&instance->pdev->dev, | |
b5c5d0ad | 283 | "Current firmware supports maximum commands: %d\t LDIO threshold: %d\n", |
e97e673c | 284 | cur_max_fw_cmds, ldio_threshold); |
308ec459 SS |
285 | |
286 | if (fw_boot_context == OCR_CONTEXT) { | |
287 | cur_max_fw_cmds = cur_max_fw_cmds - 1; | |
013aec66 | 288 | if (cur_max_fw_cmds < instance->max_fw_cmds) { |
308ec459 SS |
289 | instance->cur_can_queue = |
290 | cur_max_fw_cmds - (MEGASAS_FUSION_INTERNAL_CMDS + | |
291 | MEGASAS_FUSION_IOCTL_CMDS); | |
292 | instance->host->can_queue = instance->cur_can_queue; | |
293 | instance->ldio_threshold = ldio_threshold; | |
294 | } | |
295 | } else { | |
296 | instance->max_fw_cmds = cur_max_fw_cmds; | |
297 | instance->ldio_threshold = ldio_threshold; | |
298 | ||
c3e385a1 SS |
299 | if (reset_devices) |
300 | instance->max_fw_cmds = min(instance->max_fw_cmds, | |
301 | (u16)MEGASAS_KDUMP_QUEUE_DEPTH); | |
308ec459 SS |
302 | /* |
303 | * Reduce the max supported cmds by 1. This is to ensure that the | |
304 | * reply_q_sz (1 more than the max cmd that driver may send) | |
305 | * does not exceed max cmds that the FW can support | |
306 | */ | |
307 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
308ec459 SS |
308 | } |
309 | } | |
9c915a8c | 310 | /** |
179ac142 SS |
311 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool |
312 | * @instance: Adapter soft state | |
9c915a8c | 313 | */ |
179ac142 SS |
314 | void |
315 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
9c915a8c AR |
316 | { |
317 | int i; | |
318 | struct fusion_context *fusion = instance->ctrl_context; | |
9c915a8c AR |
319 | struct megasas_cmd_fusion *cmd; |
320 | ||
107a60dd S |
321 | if (fusion->sense) |
322 | dma_pool_free(fusion->sense_dma_pool, fusion->sense, | |
323 | fusion->sense_phys_addr); | |
324 | ||
325 | /* SG */ | |
326 | if (fusion->cmd_list) { | |
327 | for (i = 0; i < instance->max_mpt_cmds; i++) { | |
328 | cmd = fusion->cmd_list[i]; | |
329 | if (cmd) { | |
330 | if (cmd->sg_frame) | |
331 | dma_pool_free(fusion->sg_dma_pool, | |
332 | cmd->sg_frame, | |
333 | cmd->sg_frame_phys_addr); | |
334 | } | |
335 | kfree(cmd); | |
179ac142 | 336 | } |
107a60dd | 337 | kfree(fusion->cmd_list); |
9c915a8c AR |
338 | } |
339 | ||
179ac142 | 340 | if (fusion->sg_dma_pool) { |
fc69d86d | 341 | dma_pool_destroy(fusion->sg_dma_pool); |
179ac142 SS |
342 | fusion->sg_dma_pool = NULL; |
343 | } | |
344 | if (fusion->sense_dma_pool) { | |
fc69d86d | 345 | dma_pool_destroy(fusion->sense_dma_pool); |
179ac142 SS |
346 | fusion->sense_dma_pool = NULL; |
347 | } | |
9c915a8c | 348 | |
9c915a8c | 349 | |
179ac142 SS |
350 | /* Reply Frame, Desc*/ |
351 | if (instance->is_rdpq) | |
352 | megasas_free_rdpq_fusion(instance); | |
353 | else | |
354 | megasas_free_reply_fusion(instance); | |
9c915a8c | 355 | |
179ac142 | 356 | /* Request Frame, Desc*/ |
9c915a8c | 357 | if (fusion->req_frames_desc) |
179ac142 SS |
358 | dma_free_coherent(&instance->pdev->dev, |
359 | fusion->request_alloc_sz, fusion->req_frames_desc, | |
360 | fusion->req_frames_desc_phys); | |
361 | if (fusion->io_request_frames) | |
fc69d86d | 362 | dma_pool_free(fusion->io_request_frames_pool, |
179ac142 SS |
363 | fusion->io_request_frames, |
364 | fusion->io_request_frames_phys); | |
365 | if (fusion->io_request_frames_pool) { | |
fc69d86d | 366 | dma_pool_destroy(fusion->io_request_frames_pool); |
179ac142 | 367 | fusion->io_request_frames_pool = NULL; |
9c915a8c | 368 | } |
9c915a8c AR |
369 | } |
370 | ||
371 | /** | |
179ac142 | 372 | * megasas_create_sg_sense_fusion - Creates DMA pool for cmd frames |
9c915a8c AR |
373 | * @instance: Adapter soft state |
374 | * | |
375 | */ | |
179ac142 | 376 | static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) |
9c915a8c AR |
377 | { |
378 | int i; | |
50b7f5a2 | 379 | u16 max_cmd; |
9c915a8c AR |
380 | struct fusion_context *fusion; |
381 | struct megasas_cmd_fusion *cmd; | |
107a60dd S |
382 | int sense_sz; |
383 | u32 offset; | |
9c915a8c AR |
384 | |
385 | fusion = instance->ctrl_context; | |
386 | max_cmd = instance->max_fw_cmds; | |
107a60dd | 387 | sense_sz = instance->max_mpt_cmds * SCSI_SENSE_BUFFERSIZE; |
9c915a8c | 388 | |
179ac142 | 389 | fusion->sg_dma_pool = |
fc69d86d | 390 | dma_pool_create("mr_sg", &instance->pdev->dev, |
15dd0381 S |
391 | instance->max_chain_frame_sz, |
392 | MR_DEFAULT_NVME_PAGE_SIZE, 0); | |
179ac142 SS |
393 | /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ |
394 | fusion->sense_dma_pool = | |
fc69d86d | 395 | dma_pool_create("mr_sense", &instance->pdev->dev, |
107a60dd | 396 | sense_sz, 64, 0); |
9c915a8c | 397 | |
179ac142 SS |
398 | if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { |
399 | dev_err(&instance->pdev->dev, | |
400 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c AR |
401 | return -ENOMEM; |
402 | } | |
403 | ||
107a60dd S |
404 | fusion->sense = dma_pool_alloc(fusion->sense_dma_pool, |
405 | GFP_KERNEL, &fusion->sense_phys_addr); | |
406 | if (!fusion->sense) { | |
407 | dev_err(&instance->pdev->dev, | |
408 | "failed from %s %d\n", __func__, __LINE__); | |
409 | return -ENOMEM; | |
410 | } | |
411 | ||
412 | /* sense buffer, request frame and reply desc pool requires to be in | |
413 | * same 4 gb region. Below function will check this. | |
414 | * In case of failure, new pci pool will be created with updated | |
415 | * alignment. | |
416 | * Older allocation and pool will be destroyed. | |
417 | * Alignment will be used such a way that next allocation if success, | |
418 | * will always meet same 4gb region requirement. | |
419 | * Actual requirement is not alignment, but we need start and end of | |
420 | * DMA address must have same upper 32 bit address. | |
421 | */ | |
422 | ||
423 | if (!megasas_check_same_4gb_region(instance, fusion->sense_phys_addr, | |
424 | sense_sz)) { | |
425 | dma_pool_free(fusion->sense_dma_pool, fusion->sense, | |
426 | fusion->sense_phys_addr); | |
427 | fusion->sense = NULL; | |
428 | dma_pool_destroy(fusion->sense_dma_pool); | |
429 | ||
430 | fusion->sense_dma_pool = | |
431 | dma_pool_create("mr_sense_align", &instance->pdev->dev, | |
432 | sense_sz, roundup_pow_of_two(sense_sz), | |
433 | 0); | |
434 | if (!fusion->sense_dma_pool) { | |
435 | dev_err(&instance->pdev->dev, | |
436 | "Failed from %s %d\n", __func__, __LINE__); | |
437 | return -ENOMEM; | |
438 | } | |
439 | fusion->sense = dma_pool_alloc(fusion->sense_dma_pool, | |
440 | GFP_KERNEL, | |
441 | &fusion->sense_phys_addr); | |
442 | if (!fusion->sense) { | |
443 | dev_err(&instance->pdev->dev, | |
444 | "failed from %s %d\n", __func__, __LINE__); | |
445 | return -ENOMEM; | |
446 | } | |
447 | } | |
448 | ||
9c915a8c AR |
449 | /* |
450 | * Allocate and attach a frame to each of the commands in cmd_list | |
451 | */ | |
452 | for (i = 0; i < max_cmd; i++) { | |
9c915a8c | 453 | cmd = fusion->cmd_list[i]; |
fc69d86d | 454 | cmd->sg_frame = dma_pool_alloc(fusion->sg_dma_pool, |
179ac142 | 455 | GFP_KERNEL, &cmd->sg_frame_phys_addr); |
9c915a8c | 456 | |
107a60dd S |
457 | offset = SCSI_SENSE_BUFFERSIZE * i; |
458 | cmd->sense = (u8 *)fusion->sense + offset; | |
459 | cmd->sense_phys_addr = fusion->sense_phys_addr + offset; | |
460 | ||
461 | if (!cmd->sg_frame) { | |
179ac142 SS |
462 | dev_err(&instance->pdev->dev, |
463 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c AR |
464 | return -ENOMEM; |
465 | } | |
466 | } | |
69c337c0 SC |
467 | |
468 | /* create sense buffer for the raid 1/10 fp */ | |
469 | for (i = max_cmd; i < instance->max_mpt_cmds; i++) { | |
470 | cmd = fusion->cmd_list[i]; | |
107a60dd S |
471 | offset = SCSI_SENSE_BUFFERSIZE * i; |
472 | cmd->sense = (u8 *)fusion->sense + offset; | |
473 | cmd->sense_phys_addr = fusion->sense_phys_addr + offset; | |
474 | ||
69c337c0 SC |
475 | } |
476 | ||
9c915a8c AR |
477 | return 0; |
478 | } | |
479 | ||
9c915a8c | 480 | int |
179ac142 | 481 | megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) |
9c915a8c | 482 | { |
70c54e21 | 483 | u32 max_mpt_cmd, i, j; |
9c915a8c | 484 | struct fusion_context *fusion; |
9c915a8c AR |
485 | |
486 | fusion = instance->ctrl_context; | |
487 | ||
69c337c0 | 488 | max_mpt_cmd = instance->max_mpt_cmds; |
9c915a8c | 489 | |
179ac142 SS |
490 | /* |
491 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
492 | * Allocate the dynamic array first and then allocate individual | |
493 | * commands. | |
494 | */ | |
69c337c0 | 495 | fusion->cmd_list = |
6396bb22 | 496 | kcalloc(max_mpt_cmd, sizeof(struct megasas_cmd_fusion *), |
69c337c0 | 497 | GFP_KERNEL); |
179ac142 SS |
498 | if (!fusion->cmd_list) { |
499 | dev_err(&instance->pdev->dev, | |
500 | "Failed from %s %d\n", __func__, __LINE__); | |
501 | return -ENOMEM; | |
502 | } | |
503 | ||
69c337c0 | 504 | for (i = 0; i < max_mpt_cmd; i++) { |
179ac142 SS |
505 | fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), |
506 | GFP_KERNEL); | |
507 | if (!fusion->cmd_list[i]) { | |
70c54e21 SW |
508 | for (j = 0; j < i; j++) |
509 | kfree(fusion->cmd_list[j]); | |
510 | kfree(fusion->cmd_list); | |
179ac142 SS |
511 | dev_err(&instance->pdev->dev, |
512 | "Failed from %s %d\n", __func__, __LINE__); | |
513 | return -ENOMEM; | |
514 | } | |
515 | } | |
70c54e21 | 516 | |
179ac142 SS |
517 | return 0; |
518 | } | |
519 | int | |
520 | megasas_alloc_request_fusion(struct megasas_instance *instance) | |
521 | { | |
522 | struct fusion_context *fusion; | |
523 | ||
524 | fusion = instance->ctrl_context; | |
525 | ||
e97e673c | 526 | retry_alloc: |
179ac142 | 527 | fusion->io_request_frames_pool = |
fc69d86d | 528 | dma_pool_create("mr_ioreq", &instance->pdev->dev, |
179ac142 SS |
529 | fusion->io_frames_alloc_sz, 16, 0); |
530 | ||
531 | if (!fusion->io_request_frames_pool) { | |
532 | dev_err(&instance->pdev->dev, | |
533 | "Failed from %s %d\n", __func__, __LINE__); | |
534 | return -ENOMEM; | |
535 | } | |
536 | ||
537 | fusion->io_request_frames = | |
fc69d86d | 538 | dma_pool_alloc(fusion->io_request_frames_pool, |
179ac142 SS |
539 | GFP_KERNEL, &fusion->io_request_frames_phys); |
540 | if (!fusion->io_request_frames) { | |
e97e673c S |
541 | if (instance->max_fw_cmds >= (MEGASAS_REDUCE_QD_COUNT * 2)) { |
542 | instance->max_fw_cmds -= MEGASAS_REDUCE_QD_COUNT; | |
543 | dma_pool_destroy(fusion->io_request_frames_pool); | |
544 | megasas_configure_queue_sizes(instance); | |
545 | goto retry_alloc; | |
546 | } else { | |
547 | dev_err(&instance->pdev->dev, | |
548 | "Failed from %s %d\n", __func__, __LINE__); | |
549 | return -ENOMEM; | |
550 | } | |
551 | } | |
552 | ||
107a60dd S |
553 | if (!megasas_check_same_4gb_region(instance, |
554 | fusion->io_request_frames_phys, | |
555 | fusion->io_frames_alloc_sz)) { | |
556 | dma_pool_free(fusion->io_request_frames_pool, | |
557 | fusion->io_request_frames, | |
558 | fusion->io_request_frames_phys); | |
559 | fusion->io_request_frames = NULL; | |
560 | dma_pool_destroy(fusion->io_request_frames_pool); | |
561 | ||
562 | fusion->io_request_frames_pool = | |
563 | dma_pool_create("mr_ioreq_align", | |
564 | &instance->pdev->dev, | |
565 | fusion->io_frames_alloc_sz, | |
566 | roundup_pow_of_two(fusion->io_frames_alloc_sz), | |
567 | 0); | |
568 | ||
569 | if (!fusion->io_request_frames_pool) { | |
570 | dev_err(&instance->pdev->dev, | |
571 | "Failed from %s %d\n", __func__, __LINE__); | |
572 | return -ENOMEM; | |
573 | } | |
574 | ||
575 | fusion->io_request_frames = | |
576 | dma_pool_alloc(fusion->io_request_frames_pool, | |
577 | GFP_KERNEL, | |
578 | &fusion->io_request_frames_phys); | |
579 | ||
580 | if (!fusion->io_request_frames) { | |
581 | dev_err(&instance->pdev->dev, | |
582 | "Failed from %s %d\n", __func__, __LINE__); | |
583 | return -ENOMEM; | |
584 | } | |
585 | } | |
586 | ||
e97e673c S |
587 | fusion->req_frames_desc = |
588 | dma_alloc_coherent(&instance->pdev->dev, | |
589 | fusion->request_alloc_sz, | |
590 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
591 | if (!fusion->req_frames_desc) { | |
179ac142 SS |
592 | dev_err(&instance->pdev->dev, |
593 | "Failed from %s %d\n", __func__, __LINE__); | |
594 | return -ENOMEM; | |
595 | } | |
e97e673c | 596 | |
179ac142 SS |
597 | return 0; |
598 | } | |
599 | ||
600 | int | |
601 | megasas_alloc_reply_fusion(struct megasas_instance *instance) | |
602 | { | |
603 | int i, count; | |
604 | struct fusion_context *fusion; | |
605 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
606 | fusion = instance->ctrl_context; | |
607 | ||
c8e858fe | 608 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c | 609 | fusion->reply_frames_desc_pool = |
fc69d86d | 610 | dma_pool_create("mr_reply", &instance->pdev->dev, |
c8e858fe | 611 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c AR |
612 | |
613 | if (!fusion->reply_frames_desc_pool) { | |
179ac142 SS |
614 | dev_err(&instance->pdev->dev, |
615 | "Failed from %s %d\n", __func__, __LINE__); | |
616 | return -ENOMEM; | |
9c915a8c AR |
617 | } |
618 | ||
179ac142 | 619 | fusion->reply_frames_desc[0] = |
fc69d86d | 620 | dma_pool_alloc(fusion->reply_frames_desc_pool, |
179ac142 SS |
621 | GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); |
622 | if (!fusion->reply_frames_desc[0]) { | |
623 | dev_err(&instance->pdev->dev, | |
624 | "Failed from %s %d\n", __func__, __LINE__); | |
625 | return -ENOMEM; | |
9c915a8c | 626 | } |
107a60dd S |
627 | |
628 | if (!megasas_check_same_4gb_region(instance, | |
629 | fusion->reply_frames_desc_phys[0], | |
630 | (fusion->reply_alloc_sz * count))) { | |
631 | dma_pool_free(fusion->reply_frames_desc_pool, | |
632 | fusion->reply_frames_desc[0], | |
633 | fusion->reply_frames_desc_phys[0]); | |
634 | fusion->reply_frames_desc[0] = NULL; | |
635 | dma_pool_destroy(fusion->reply_frames_desc_pool); | |
636 | ||
637 | fusion->reply_frames_desc_pool = | |
638 | dma_pool_create("mr_reply_align", | |
639 | &instance->pdev->dev, | |
640 | fusion->reply_alloc_sz * count, | |
641 | roundup_pow_of_two(fusion->reply_alloc_sz * count), | |
642 | 0); | |
643 | ||
644 | if (!fusion->reply_frames_desc_pool) { | |
645 | dev_err(&instance->pdev->dev, | |
646 | "Failed from %s %d\n", __func__, __LINE__); | |
647 | return -ENOMEM; | |
648 | } | |
649 | ||
650 | fusion->reply_frames_desc[0] = | |
651 | dma_pool_alloc(fusion->reply_frames_desc_pool, | |
652 | GFP_KERNEL, | |
653 | &fusion->reply_frames_desc_phys[0]); | |
654 | ||
655 | if (!fusion->reply_frames_desc[0]) { | |
656 | dev_err(&instance->pdev->dev, | |
657 | "Failed from %s %d\n", __func__, __LINE__); | |
658 | return -ENOMEM; | |
659 | } | |
660 | } | |
661 | ||
179ac142 | 662 | reply_desc = fusion->reply_frames_desc[0]; |
c8e858fe | 663 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 664 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 665 | |
179ac142 SS |
666 | /* This is not a rdpq mode, but driver still populate |
667 | * reply_frame_desc array to use same msix index in ISR path. | |
668 | */ | |
669 | for (i = 0; i < (count - 1); i++) | |
670 | fusion->reply_frames_desc[i + 1] = | |
671 | fusion->reply_frames_desc[i] + | |
672 | (fusion->reply_alloc_sz)/sizeof(union MPI2_REPLY_DESCRIPTORS_UNION); | |
9c915a8c | 673 | |
179ac142 SS |
674 | return 0; |
675 | } | |
9c915a8c | 676 | |
179ac142 SS |
677 | int |
678 | megasas_alloc_rdpq_fusion(struct megasas_instance *instance) | |
679 | { | |
107a60dd | 680 | int i, j, k, msix_count; |
179ac142 SS |
681 | struct fusion_context *fusion; |
682 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
107a60dd S |
683 | union MPI2_REPLY_DESCRIPTORS_UNION *rdpq_chunk_virt[RDPQ_MAX_CHUNK_COUNT]; |
684 | dma_addr_t rdpq_chunk_phys[RDPQ_MAX_CHUNK_COUNT]; | |
685 | u8 dma_alloc_count, abs_index; | |
686 | u32 chunk_size, array_size, offset; | |
179ac142 SS |
687 | |
688 | fusion = instance->ctrl_context; | |
107a60dd S |
689 | chunk_size = fusion->reply_alloc_sz * RDPQ_MAX_INDEX_IN_ONE_CHUNK; |
690 | array_size = sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * | |
691 | MAX_MSIX_QUEUES_FUSION; | |
179ac142 | 692 | |
750afb08 LC |
693 | fusion->rdpq_virt = dma_alloc_coherent(&instance->pdev->dev, |
694 | array_size, &fusion->rdpq_phys, | |
695 | GFP_KERNEL); | |
179ac142 SS |
696 | if (!fusion->rdpq_virt) { |
697 | dev_err(&instance->pdev->dev, | |
698 | "Failed from %s %d\n", __func__, __LINE__); | |
699 | return -ENOMEM; | |
9c915a8c AR |
700 | } |
701 | ||
107a60dd S |
702 | msix_count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
703 | ||
fc69d86d RP |
704 | fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq", |
705 | &instance->pdev->dev, | |
107a60dd S |
706 | chunk_size, 16, 0); |
707 | fusion->reply_frames_desc_pool_align = | |
708 | dma_pool_create("mr_rdpq_align", | |
709 | &instance->pdev->dev, | |
710 | chunk_size, | |
711 | roundup_pow_of_two(chunk_size), | |
712 | 0); | |
713 | ||
714 | if (!fusion->reply_frames_desc_pool || | |
715 | !fusion->reply_frames_desc_pool_align) { | |
179ac142 SS |
716 | dev_err(&instance->pdev->dev, |
717 | "Failed from %s %d\n", __func__, __LINE__); | |
718 | return -ENOMEM; | |
9c915a8c AR |
719 | } |
720 | ||
107a60dd S |
721 | /* |
722 | * For INVADER_SERIES each set of 8 reply queues(0-7, 8-15, ..) and | |
723 | * VENTURA_SERIES each set of 16 reply queues(0-15, 16-31, ..) should be | |
724 | * within 4GB boundary and also reply queues in a set must have same | |
725 | * upper 32-bits in their memory address. so here driver is allocating the | |
726 | * DMA'able memory for reply queues according. Driver uses limitation of | |
727 | * VENTURA_SERIES to manage INVADER_SERIES as well. | |
728 | */ | |
729 | dma_alloc_count = DIV_ROUND_UP(msix_count, RDPQ_MAX_INDEX_IN_ONE_CHUNK); | |
730 | ||
731 | for (i = 0; i < dma_alloc_count; i++) { | |
732 | rdpq_chunk_virt[i] = | |
733 | dma_pool_alloc(fusion->reply_frames_desc_pool, | |
734 | GFP_KERNEL, &rdpq_chunk_phys[i]); | |
735 | if (!rdpq_chunk_virt[i]) { | |
179ac142 SS |
736 | dev_err(&instance->pdev->dev, |
737 | "Failed from %s %d\n", __func__, __LINE__); | |
738 | return -ENOMEM; | |
739 | } | |
107a60dd S |
740 | /* reply desc pool requires to be in same 4 gb region. |
741 | * Below function will check this. | |
742 | * In case of failure, new pci pool will be created with updated | |
743 | * alignment. | |
744 | * For RDPQ buffers, driver always allocate two separate pci pool. | |
745 | * Alignment will be used such a way that next allocation if | |
746 | * success, will always meet same 4gb region requirement. | |
747 | * rdpq_tracker keep track of each buffer's physical, | |
748 | * virtual address and pci pool descriptor. It will help driver | |
749 | * while freeing the resources. | |
750 | * | |
751 | */ | |
752 | if (!megasas_check_same_4gb_region(instance, rdpq_chunk_phys[i], | |
753 | chunk_size)) { | |
754 | dma_pool_free(fusion->reply_frames_desc_pool, | |
755 | rdpq_chunk_virt[i], | |
756 | rdpq_chunk_phys[i]); | |
9c915a8c | 757 | |
107a60dd S |
758 | rdpq_chunk_virt[i] = |
759 | dma_pool_alloc(fusion->reply_frames_desc_pool_align, | |
760 | GFP_KERNEL, &rdpq_chunk_phys[i]); | |
761 | if (!rdpq_chunk_virt[i]) { | |
762 | dev_err(&instance->pdev->dev, | |
763 | "Failed from %s %d\n", | |
764 | __func__, __LINE__); | |
765 | return -ENOMEM; | |
766 | } | |
767 | fusion->rdpq_tracker[i].dma_pool_ptr = | |
768 | fusion->reply_frames_desc_pool_align; | |
769 | } else { | |
770 | fusion->rdpq_tracker[i].dma_pool_ptr = | |
771 | fusion->reply_frames_desc_pool; | |
772 | } | |
179ac142 | 773 | |
107a60dd S |
774 | fusion->rdpq_tracker[i].pool_entry_phys = rdpq_chunk_phys[i]; |
775 | fusion->rdpq_tracker[i].pool_entry_virt = rdpq_chunk_virt[i]; | |
9c915a8c | 776 | } |
107a60dd S |
777 | |
778 | for (k = 0; k < dma_alloc_count; k++) { | |
779 | for (i = 0; i < RDPQ_MAX_INDEX_IN_ONE_CHUNK; i++) { | |
780 | abs_index = (k * RDPQ_MAX_INDEX_IN_ONE_CHUNK) + i; | |
781 | ||
782 | if (abs_index == msix_count) | |
783 | break; | |
784 | offset = fusion->reply_alloc_sz * i; | |
785 | fusion->rdpq_virt[abs_index].RDPQBaseAddress = | |
786 | cpu_to_le64(rdpq_chunk_phys[k] + offset); | |
787 | fusion->reply_frames_desc_phys[abs_index] = | |
788 | rdpq_chunk_phys[k] + offset; | |
789 | fusion->reply_frames_desc[abs_index] = | |
790 | (union MPI2_REPLY_DESCRIPTORS_UNION *)((u8 *)rdpq_chunk_virt[k] + offset); | |
791 | ||
792 | reply_desc = fusion->reply_frames_desc[abs_index]; | |
793 | for (j = 0; j < fusion->reply_q_depth; j++, reply_desc++) | |
794 | reply_desc->Words = ULLONG_MAX; | |
795 | } | |
796 | } | |
797 | ||
179ac142 SS |
798 | return 0; |
799 | } | |
9c915a8c | 800 | |
179ac142 SS |
801 | static void |
802 | megasas_free_rdpq_fusion(struct megasas_instance *instance) { | |
9c915a8c | 803 | |
179ac142 SS |
804 | int i; |
805 | struct fusion_context *fusion; | |
9c915a8c | 806 | |
179ac142 SS |
807 | fusion = instance->ctrl_context; |
808 | ||
107a60dd S |
809 | for (i = 0; i < RDPQ_MAX_CHUNK_COUNT; i++) { |
810 | if (fusion->rdpq_tracker[i].pool_entry_virt) | |
811 | dma_pool_free(fusion->rdpq_tracker[i].dma_pool_ptr, | |
812 | fusion->rdpq_tracker[i].pool_entry_virt, | |
813 | fusion->rdpq_tracker[i].pool_entry_phys); | |
814 | ||
9c915a8c AR |
815 | } |
816 | ||
19c05072 TM |
817 | dma_pool_destroy(fusion->reply_frames_desc_pool); |
818 | dma_pool_destroy(fusion->reply_frames_desc_pool_align); | |
179ac142 SS |
819 | |
820 | if (fusion->rdpq_virt) | |
60ee6529 | 821 | dma_free_coherent(&instance->pdev->dev, |
179ac142 SS |
822 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, |
823 | fusion->rdpq_virt, fusion->rdpq_phys); | |
824 | } | |
825 | ||
826 | static void | |
827 | megasas_free_reply_fusion(struct megasas_instance *instance) { | |
828 | ||
829 | struct fusion_context *fusion; | |
830 | ||
831 | fusion = instance->ctrl_context; | |
832 | ||
833 | if (fusion->reply_frames_desc[0]) | |
fc69d86d | 834 | dma_pool_free(fusion->reply_frames_desc_pool, |
179ac142 SS |
835 | fusion->reply_frames_desc[0], |
836 | fusion->reply_frames_desc_phys[0]); | |
837 | ||
19c05072 | 838 | dma_pool_destroy(fusion->reply_frames_desc_pool); |
179ac142 SS |
839 | |
840 | } | |
841 | ||
842 | ||
843 | /** | |
844 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
845 | * @instance: Adapter soft state | |
846 | * | |
847 | * | |
848 | * Each frame has a 32-bit field called context. This context is used to get | |
849 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
850 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
851 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
852 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
853 | * | |
854 | * cmds are formed in the io_request and sg_frame members of the | |
855 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
856 | * and is used as SMID of the cmd. | |
857 | * SMID value range is from 1 to max_fw_cmds. | |
858 | */ | |
859 | int | |
860 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
861 | { | |
862 | int i; | |
863 | struct fusion_context *fusion; | |
864 | struct megasas_cmd_fusion *cmd; | |
865 | u32 offset; | |
866 | dma_addr_t io_req_base_phys; | |
867 | u8 *io_req_base; | |
868 | ||
869 | ||
870 | fusion = instance->ctrl_context; | |
871 | ||
179ac142 SS |
872 | if (megasas_alloc_request_fusion(instance)) |
873 | goto fail_exit; | |
874 | ||
875 | if (instance->is_rdpq) { | |
876 | if (megasas_alloc_rdpq_fusion(instance)) | |
877 | goto fail_exit; | |
878 | } else | |
879 | if (megasas_alloc_reply_fusion(instance)) | |
880 | goto fail_exit; | |
881 | ||
e97e673c S |
882 | if (megasas_alloc_cmdlist_fusion(instance)) |
883 | goto fail_exit; | |
884 | ||
885 | dev_info(&instance->pdev->dev, "Configured max firmware commands: %d\n", | |
886 | instance->max_fw_cmds); | |
179ac142 SS |
887 | |
888 | /* The first 256 bytes (SMID 0) is not used. Don't add to the cmd list */ | |
889 | io_req_base = fusion->io_request_frames + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
890 | io_req_base_phys = fusion->io_request_frames_phys + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
9c915a8c AR |
891 | |
892 | /* | |
893 | * Add all the commands to command pool (fusion->cmd_pool) | |
894 | */ | |
895 | ||
896 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
69c337c0 | 897 | for (i = 0; i < instance->max_mpt_cmds; i++) { |
9c915a8c AR |
898 | cmd = fusion->cmd_list[i]; |
899 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
900 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
901 | cmd->index = i + 1; | |
902 | cmd->scmd = NULL; | |
69c337c0 SC |
903 | cmd->sync_cmd_idx = |
904 | (i >= instance->max_scsi_cmds && i < instance->max_fw_cmds) ? | |
4026e9aa SS |
905 | (i - instance->max_scsi_cmds) : |
906 | (u32)ULONG_MAX; /* Set to Invalid */ | |
9c915a8c AR |
907 | cmd->instance = instance; |
908 | cmd->io_request = | |
909 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
910 | (io_req_base + offset); | |
911 | memset(cmd->io_request, 0, | |
912 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
913 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
8bf7c65d | 914 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; |
9c915a8c AR |
915 | } |
916 | ||
179ac142 SS |
917 | if (megasas_create_sg_sense_fusion(instance)) |
918 | goto fail_exit; | |
9c915a8c AR |
919 | |
920 | return 0; | |
921 | ||
179ac142 SS |
922 | fail_exit: |
923 | megasas_free_cmds_fusion(instance); | |
9c915a8c AR |
924 | return -ENOMEM; |
925 | } | |
926 | ||
927 | /** | |
928 | * wait_and_poll - Issues a polling command | |
929 | * @instance: Adapter soft state | |
930 | * @cmd: Command packet to be issued | |
931 | * | |
932 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
933 | */ | |
934 | int | |
229fe47c AR |
935 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
936 | int seconds) | |
9c915a8c AR |
937 | { |
938 | int i; | |
939 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 940 | struct fusion_context *fusion; |
9c915a8c | 941 | |
229fe47c | 942 | u32 msecs = seconds * 1000; |
9c915a8c | 943 | |
90dc9d98 | 944 | fusion = instance->ctrl_context; |
9c915a8c AR |
945 | /* |
946 | * Wait for cmd_status to change | |
947 | */ | |
948 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
949 | rmb(); | |
950 | msleep(20); | |
951 | } | |
952 | ||
6d40afbc SS |
953 | if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS) |
954 | return DCMD_TIMEOUT; | |
955 | else if (frame_hdr->cmd_status == MFI_STAT_OK) | |
956 | return DCMD_SUCCESS; | |
957 | else | |
958 | return DCMD_FAILED; | |
9c915a8c AR |
959 | } |
960 | ||
961 | /** | |
962 | * megasas_ioc_init_fusion - Initializes the FW | |
963 | * @instance: Adapter soft state | |
964 | * | |
965 | * Issues the IOC Init cmd | |
966 | */ | |
967 | int | |
968 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
969 | { | |
970 | struct megasas_init_frame *init_frame; | |
179ac142 | 971 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage = NULL; |
9c915a8c | 972 | dma_addr_t ioc_init_handle; |
9c915a8c | 973 | struct megasas_cmd *cmd; |
179ac142 | 974 | u8 ret, cur_rdpq_mode; |
9c915a8c | 975 | struct fusion_context *fusion; |
c77a9bd8 | 976 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c AR |
977 | int i; |
978 | struct megasas_header *frame_hdr; | |
5765c5b8 | 979 | const char *sys_info; |
4dbbe3ce | 980 | MFI_CAPABILITIES *drv_ops; |
81b76452 | 981 | u32 scratch_pad_1; |
b45093dd | 982 | ktime_t time; |
107a60dd | 983 | bool cur_fw_64bit_dma_capable; |
9c915a8c AR |
984 | |
985 | fusion = instance->ctrl_context; | |
986 | ||
9b3d028f S |
987 | ioc_init_handle = fusion->ioc_init_request_phys; |
988 | IOCInitMessage = fusion->ioc_init_request; | |
9c915a8c | 989 | |
b9637d14 | 990 | cmd = fusion->ioc_init_cmd; |
9c915a8c | 991 | |
272652fc S |
992 | scratch_pad_1 = megasas_readl |
993 | (instance, &instance->reg_set->outbound_scratch_pad_1); | |
179ac142 | 994 | |
81b76452 | 995 | cur_rdpq_mode = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ? 1 : 0; |
179ac142 | 996 | |
107a60dd S |
997 | if (instance->adapter_type == INVADER_SERIES) { |
998 | cur_fw_64bit_dma_capable = | |
81b76452 | 999 | (scratch_pad_1 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET) ? true : false; |
107a60dd S |
1000 | |
1001 | if (instance->consistent_mask_64bit && !cur_fw_64bit_dma_capable) { | |
1002 | dev_err(&instance->pdev->dev, "Driver was operating on 64bit " | |
1003 | "DMA mask, but upcoming FW does not support 64bit DMA mask\n"); | |
1004 | megaraid_sas_kill_hba(instance); | |
1005 | ret = 1; | |
1006 | goto fail_fw_init; | |
1007 | } | |
1008 | } | |
1009 | ||
179ac142 SS |
1010 | if (instance->is_rdpq && !cur_rdpq_mode) { |
1011 | dev_err(&instance->pdev->dev, "Firmware downgrade *NOT SUPPORTED*" | |
1012 | " from RDPQ mode to non RDPQ mode\n"); | |
1013 | ret = 1; | |
1014 | goto fail_fw_init; | |
1015 | } | |
1016 | ||
81b76452 | 1017 | instance->fw_sync_cache_support = (scratch_pad_1 & |
d0fc91d6 KD |
1018 | MR_CAN_HANDLE_SYNC_CACHE_OFFSET) ? 1 : 0; |
1019 | dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n", | |
1020 | instance->fw_sync_cache_support ? "Yes" : "No"); | |
1021 | ||
9c915a8c AR |
1022 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); |
1023 | ||
1024 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
1025 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
1026 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
1027 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
1028 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
1029 | ||
1030 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
179ac142 SS |
1031 | IOCInitMessage->ReplyDescriptorPostQueueAddress = instance->is_rdpq ? |
1032 | cpu_to_le64(fusion->rdpq_phys) : | |
1033 | cpu_to_le64(fusion->reply_frames_desc_phys[0]); | |
1034 | IOCInitMessage->MsgFlags = instance->is_rdpq ? | |
1035 | MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE : 0; | |
94cd65dd | 1036 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); |
107a60dd | 1037 | IOCInitMessage->SenseBufferAddressHigh = cpu_to_le32(upper_32_bits(fusion->sense_phys_addr)); |
5738f996 | 1038 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
15dd0381 | 1039 | IOCInitMessage->HostPageSize = MR_DEFAULT_NVME_PAGE_SHIFT; |
b99fc202 | 1040 | |
b45093dd | 1041 | time = ktime_get_real(); |
b99fc202 | 1042 | /* Convert to milliseconds as per FW requirement */ |
b45093dd | 1043 | IOCInitMessage->TimeStamp = cpu_to_le64(ktime_to_ms(time)); |
b99fc202 | 1044 | |
9c915a8c | 1045 | init_frame = (struct megasas_init_frame *)cmd->frame; |
cb51efeb | 1046 | memset(init_frame, 0, IOC_INIT_FRAME_SIZE); |
9c915a8c AR |
1047 | |
1048 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 1049 | frame_hdr->cmd_status = 0xFF; |
b52fd077 | 1050 | frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); |
9c915a8c AR |
1051 | |
1052 | init_frame->cmd = MFI_CMD_INIT; | |
1053 | init_frame->cmd_status = 0xFF; | |
1054 | ||
4dbbe3ce | 1055 | drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations); |
1056 | ||
d46a3ad6 | 1057 | /* driver support Extended MSIX */ |
c365178f | 1058 | if (instance->adapter_type >= INVADER_SERIES) |
4dbbe3ce | 1059 | drv_ops->mfi_capabilities.support_additional_msix = 1; |
21c9e160 | 1060 | /* driver supports HA / Remote LUN over Fast Path interface */ |
4dbbe3ce | 1061 | drv_ops->mfi_capabilities.support_fp_remote_lun = 1; |
1062 | ||
1063 | drv_ops->mfi_capabilities.support_max_255lds = 1; | |
1064 | drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1; | |
1065 | drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1; | |
1066 | ||
bd5f9484 | 1067 | if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN) |
1068 | drv_ops->mfi_capabilities.support_ext_io_size = 1; | |
1069 | ||
8f05024c | 1070 | drv_ops->mfi_capabilities.support_fp_rlbypass = 1; |
308ec459 SS |
1071 | if (!dual_qdepth_disable) |
1072 | drv_ops->mfi_capabilities.support_ext_queue_depth = 1; | |
8f05024c | 1073 | |
52b62ac7 | 1074 | drv_ops->mfi_capabilities.support_qd_throttling = 1; |
ede7c3ce | 1075 | drv_ops->mfi_capabilities.support_pd_map_target_id = 1; |
f870bcbe | 1076 | drv_ops->mfi_capabilities.support_nvme_passthru = 1; |
107a60dd S |
1077 | |
1078 | if (instance->consistent_mask_64bit) | |
1079 | drv_ops->mfi_capabilities.support_64bit_mode = 1; | |
1080 | ||
94cd65dd SS |
1081 | /* Convert capability to LE32 */ |
1082 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 1083 | |
5765c5b8 SS |
1084 | sys_info = dmi_get_system_info(DMI_PRODUCT_UUID); |
1085 | if (instance->system_info_buf && sys_info) { | |
1086 | memcpy(instance->system_info_buf->systemId, sys_info, | |
1087 | strlen(sys_info) > 64 ? 64 : strlen(sys_info)); | |
1088 | instance->system_info_buf->systemIdLength = | |
1089 | strlen(sys_info) > 64 ? 64 : strlen(sys_info); | |
107a60dd S |
1090 | init_frame->system_info_lo = cpu_to_le32(lower_32_bits(instance->system_info_h)); |
1091 | init_frame->system_info_hi = cpu_to_le32(upper_32_bits(instance->system_info_h)); | |
5765c5b8 SS |
1092 | } |
1093 | ||
fdc5a97c HR |
1094 | init_frame->queue_info_new_phys_addr_hi = |
1095 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
1096 | init_frame->queue_info_new_phys_addr_lo = | |
1097 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 1098 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 1099 | |
200aed58 SS |
1100 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
1101 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 1102 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 1103 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 1104 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c AR |
1105 | |
1106 | /* | |
1107 | * disable the intr before firing the init frame | |
1108 | */ | |
d46a3ad6 | 1109 | instance->instancet->disable_intr(instance); |
9c915a8c AR |
1110 | |
1111 | for (i = 0; i < (10 * 1000); i += 20) { | |
272652fc | 1112 | if (megasas_readl(instance, &instance->reg_set->doorbell) & 1) |
9c915a8c AR |
1113 | msleep(20); |
1114 | else | |
1115 | break; | |
1116 | } | |
1117 | ||
9ff97fa8 | 1118 | megasas_fire_cmd_fusion(instance, &req_desc); |
9c915a8c | 1119 | |
1b60d4e5 | 1120 | wait_and_poll(instance, cmd, MFI_IO_TIMEOUT_SECS); |
9c915a8c AR |
1121 | |
1122 | frame_hdr = &cmd->frame->hdr; | |
1123 | if (frame_hdr->cmd_status != 0) { | |
1124 | ret = 1; | |
1125 | goto fail_fw_init; | |
1126 | } | |
9c915a8c | 1127 | |
fb1633d5 | 1128 | return 0; |
9c915a8c AR |
1129 | |
1130 | fail_fw_init: | |
2d2c2331 | 1131 | dev_err(&instance->pdev->dev, |
fb1633d5 VL |
1132 | "Init cmd return status FAILED for SCSI host %d\n", |
1133 | instance->host->host_no); | |
2d2c2331 | 1134 | |
9c915a8c AR |
1135 | return ret; |
1136 | } | |
1137 | ||
3761cb4c | 1138 | /** |
1139 | * megasas_sync_pd_seq_num - JBOD SEQ MAP | |
1140 | * @instance: Adapter soft state | |
1141 | * @pend: set to 1, if it is pended jbod map. | |
1142 | * | |
1143 | * Issue Jbod map to the firmware. If it is pended command, | |
1144 | * issue command and return. If it is first instance of jbod map | |
1145 | * issue and receive command. | |
1146 | */ | |
1147 | int | |
1148 | megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { | |
1149 | int ret = 0; | |
1150 | u32 pd_seq_map_sz; | |
1151 | struct megasas_cmd *cmd; | |
1152 | struct megasas_dcmd_frame *dcmd; | |
1153 | struct fusion_context *fusion = instance->ctrl_context; | |
1154 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
1155 | dma_addr_t pd_seq_h; | |
1156 | ||
1157 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)]; | |
1158 | pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)]; | |
1159 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + | |
1160 | (sizeof(struct MR_PD_CFG_SEQ) * | |
1161 | (MAX_PHYSICAL_DEVICES - 1)); | |
1162 | ||
1163 | cmd = megasas_get_cmd(instance); | |
1164 | if (!cmd) { | |
1165 | dev_err(&instance->pdev->dev, | |
1166 | "Could not get mfi cmd. Fail from %s %d\n", | |
1167 | __func__, __LINE__); | |
1168 | return -ENOMEM; | |
1169 | } | |
1170 | ||
1171 | dcmd = &cmd->frame->dcmd; | |
1172 | ||
1173 | memset(pd_sync, 0, pd_seq_map_sz); | |
1174 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
107a60dd S |
1175 | |
1176 | if (pend) { | |
1177 | dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
1178 | dcmd->flags = MFI_FRAME_DIR_WRITE; | |
1179 | instance->jbod_seq_cmd = cmd; | |
1180 | } else { | |
1181 | dcmd->flags = MFI_FRAME_DIR_READ; | |
1182 | } | |
1183 | ||
3761cb4c | 1184 | dcmd->cmd = MFI_CMD_DCMD; |
1185 | dcmd->cmd_status = 0xFF; | |
1186 | dcmd->sge_count = 1; | |
1187 | dcmd->timeout = 0; | |
1188 | dcmd->pad_0 = 0; | |
1189 | dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz); | |
1190 | dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO); | |
107a60dd S |
1191 | |
1192 | megasas_set_dma_settings(instance, dcmd, pd_seq_h, pd_seq_map_sz); | |
3761cb4c | 1193 | |
1194 | if (pend) { | |
3761cb4c | 1195 | instance->instancet->issue_dcmd(instance, cmd); |
1196 | return 0; | |
1197 | } | |
1198 | ||
3761cb4c | 1199 | /* Below code is only for non pended DCMD */ |
55fecaec | 1200 | if (!instance->mask_interrupts) |
6d40afbc SS |
1201 | ret = megasas_issue_blocked_cmd(instance, cmd, |
1202 | MFI_IO_TIMEOUT_SECS); | |
3761cb4c | 1203 | else |
1204 | ret = megasas_issue_polled(instance, cmd); | |
1205 | ||
1206 | if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) { | |
1207 | dev_warn(&instance->pdev->dev, | |
1208 | "driver supports max %d JBOD, but FW reports %d\n", | |
1209 | MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count)); | |
1210 | ret = -EINVAL; | |
1211 | } | |
1212 | ||
55fecaec | 1213 | if (ret == DCMD_TIMEOUT) |
6d40afbc SS |
1214 | megaraid_sas_kill_hba(instance); |
1215 | ||
1216 | if (ret == DCMD_SUCCESS) | |
3761cb4c | 1217 | instance->pd_seq_map_id++; |
1218 | ||
1219 | megasas_return_cmd(instance, cmd); | |
1220 | return ret; | |
1221 | } | |
1222 | ||
9c915a8c AR |
1223 | /* |
1224 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
1225 | * @instance: Adapter soft state | |
1226 | * @pend: Pend the command or not | |
1227 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1228 | * list structure. This information is mainly used to find out SYSTEM | |
1229 | * supported by the FW. | |
51087a86 SS |
1230 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
1231 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
1232 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
1233 | * - 1 - pend till config change | |
1234 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
1235 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
1236 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c AR |
1237 | */ |
1238 | static int | |
1239 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
1240 | { | |
1241 | int ret = 0; | |
1242 | struct megasas_cmd *cmd; | |
1243 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 1244 | void *ci; |
9c915a8c AR |
1245 | dma_addr_t ci_h = 0; |
1246 | u32 size_map_info; | |
1247 | struct fusion_context *fusion; | |
1248 | ||
1249 | cmd = megasas_get_cmd(instance); | |
1250 | ||
1251 | if (!cmd) { | |
1be18254 | 1252 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for map info\n"); |
9c915a8c AR |
1253 | return -ENOMEM; |
1254 | } | |
1255 | ||
1256 | fusion = instance->ctrl_context; | |
1257 | ||
1258 | if (!fusion) { | |
1259 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 1260 | return -ENXIO; |
9c915a8c AR |
1261 | } |
1262 | ||
1263 | dcmd = &cmd->frame->dcmd; | |
1264 | ||
51087a86 | 1265 | size_map_info = fusion->current_map_sz; |
9c915a8c | 1266 | |
51087a86 | 1267 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c AR |
1268 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
1269 | ||
1270 | if (!ci) { | |
1be18254 | 1271 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ld_map_info\n"); |
9c915a8c AR |
1272 | megasas_return_cmd(instance, cmd); |
1273 | return -ENOMEM; | |
1274 | } | |
1275 | ||
51087a86 | 1276 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1277 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
9c915a8c AR |
1278 | dcmd->cmd = MFI_CMD_DCMD; |
1279 | dcmd->cmd_status = 0xFF; | |
1280 | dcmd->sge_count = 1; | |
107a60dd | 1281 | dcmd->flags = MFI_FRAME_DIR_READ; |
9c915a8c AR |
1282 | dcmd->timeout = 0; |
1283 | dcmd->pad_0 = 0; | |
94cd65dd SS |
1284 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
1285 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
9c915a8c | 1286 | |
107a60dd | 1287 | megasas_set_dma_settings(instance, dcmd, ci_h, size_map_info); |
9c915a8c | 1288 | |
55fecaec | 1289 | if (!instance->mask_interrupts) |
90dc9d98 | 1290 | ret = megasas_issue_blocked_cmd(instance, cmd, |
6d40afbc | 1291 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
1292 | else |
1293 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 1294 | |
55fecaec | 1295 | if (ret == DCMD_TIMEOUT) |
6d40afbc SS |
1296 | megaraid_sas_kill_hba(instance); |
1297 | ||
4026e9aa | 1298 | megasas_return_cmd(instance, cmd); |
9c915a8c AR |
1299 | |
1300 | return ret; | |
1301 | } | |
1302 | ||
1303 | u8 | |
1304 | megasas_get_map_info(struct megasas_instance *instance) | |
1305 | { | |
1306 | struct fusion_context *fusion = instance->ctrl_context; | |
1307 | ||
1308 | fusion->fast_path_io = 0; | |
1309 | if (!megasas_get_ld_map_info(instance)) { | |
5f19f7c8 | 1310 | if (MR_ValidateMapInfo(instance, instance->map_id)) { |
9c915a8c AR |
1311 | fusion->fast_path_io = 1; |
1312 | return 0; | |
1313 | } | |
1314 | } | |
1315 | return 1; | |
1316 | } | |
1317 | ||
1318 | /* | |
1319 | * megasas_sync_map_info - Returns FW's ld_map structure | |
1320 | * @instance: Adapter soft state | |
1321 | * | |
1322 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1323 | * list structure. This information is mainly used to find out SYSTEM | |
1324 | * supported by the FW. | |
1325 | */ | |
1326 | int | |
1327 | megasas_sync_map_info(struct megasas_instance *instance) | |
1328 | { | |
f4fc2093 | 1329 | int i; |
9c915a8c AR |
1330 | struct megasas_cmd *cmd; |
1331 | struct megasas_dcmd_frame *dcmd; | |
d2d0358b S |
1332 | u16 num_lds; |
1333 | u32 size_sync_info; | |
9c915a8c AR |
1334 | struct fusion_context *fusion; |
1335 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 1336 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c AR |
1337 | struct MR_LD_RAID *raid; |
1338 | struct MR_LD_TARGET_SYNC *ld_sync; | |
1339 | dma_addr_t ci_h = 0; | |
1340 | u32 size_map_info; | |
1341 | ||
1342 | cmd = megasas_get_cmd(instance); | |
1343 | ||
1344 | if (!cmd) { | |
1be18254 | 1345 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for sync info\n"); |
9c915a8c AR |
1346 | return -ENOMEM; |
1347 | } | |
1348 | ||
1349 | fusion = instance->ctrl_context; | |
1350 | ||
1351 | if (!fusion) { | |
1352 | megasas_return_cmd(instance, cmd); | |
1353 | return 1; | |
1354 | } | |
1355 | ||
51087a86 | 1356 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 1357 | |
6e755ddc | 1358 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c AR |
1359 | |
1360 | dcmd = &cmd->frame->dcmd; | |
1361 | ||
1362 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
1363 | ||
1364 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1365 | ||
1366 | ci = (struct MR_LD_TARGET_SYNC *) | |
1367 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 1368 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c AR |
1369 | |
1370 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
1371 | ||
1372 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
1373 | ||
1374 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
1375 | raid = MR_LdRaidGet(i, map); | |
1376 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
1377 | ld_sync->seqNum = raid->seqNum; | |
1378 | } | |
1379 | ||
51087a86 | 1380 | size_map_info = fusion->current_map_sz; |
9c915a8c AR |
1381 | |
1382 | dcmd->cmd = MFI_CMD_DCMD; | |
1383 | dcmd->cmd_status = 0xFF; | |
1384 | dcmd->sge_count = 1; | |
107a60dd | 1385 | dcmd->flags = MFI_FRAME_DIR_WRITE; |
9c915a8c AR |
1386 | dcmd->timeout = 0; |
1387 | dcmd->pad_0 = 0; | |
94cd65dd | 1388 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c AR |
1389 | dcmd->mbox.b[0] = num_lds; |
1390 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd | 1391 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
107a60dd S |
1392 | |
1393 | megasas_set_dma_settings(instance, dcmd, ci_h, size_map_info); | |
9c915a8c AR |
1394 | |
1395 | instance->map_update_cmd = cmd; | |
1396 | ||
1397 | instance->instancet->issue_dcmd(instance, cmd); | |
1398 | ||
f4fc2093 | 1399 | return 0; |
9c915a8c AR |
1400 | } |
1401 | ||
39b72c3c SS |
1402 | /* |
1403 | * meagasas_display_intel_branding - Display branding string | |
1404 | * @instance: per adapter object | |
1405 | * | |
1406 | * Return nothing. | |
1407 | */ | |
1408 | static void | |
1409 | megasas_display_intel_branding(struct megasas_instance *instance) | |
1410 | { | |
1411 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
1412 | return; | |
1413 | ||
1414 | switch (instance->pdev->device) { | |
1415 | case PCI_DEVICE_ID_LSI_INVADER: | |
1416 | switch (instance->pdev->subsystem_device) { | |
1417 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
1418 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1419 | instance->host->host_no, | |
1420 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
1421 | break; | |
1422 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
1423 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1424 | instance->host->host_no, | |
1425 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
1426 | break; | |
1427 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
1428 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1429 | instance->host->host_no, | |
1430 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
1431 | break; | |
1432 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
1433 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1434 | instance->host->host_no, | |
1435 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
1436 | break; | |
1437 | default: | |
1438 | break; | |
1439 | } | |
1440 | break; | |
1441 | case PCI_DEVICE_ID_LSI_FURY: | |
1442 | switch (instance->pdev->subsystem_device) { | |
1443 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
1444 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1445 | instance->host->host_no, | |
1446 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
1447 | break; | |
1448 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
1449 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1450 | instance->host->host_no, | |
1451 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
1452 | break; | |
1453 | default: | |
1454 | break; | |
1455 | } | |
1456 | break; | |
7364d34b | 1457 | case PCI_DEVICE_ID_LSI_CUTLASS_52: |
1458 | case PCI_DEVICE_ID_LSI_CUTLASS_53: | |
1459 | switch (instance->pdev->subsystem_device) { | |
1460 | case MEGARAID_INTEL_RMS3BC160_SSDID: | |
1461 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1462 | instance->host->host_no, | |
1463 | MEGARAID_INTEL_RMS3BC160_BRANDING); | |
1464 | break; | |
1465 | default: | |
1466 | break; | |
1467 | } | |
1468 | break; | |
39b72c3c SS |
1469 | default: |
1470 | break; | |
1471 | } | |
1472 | } | |
1473 | ||
def3e8df S |
1474 | /** |
1475 | * megasas_allocate_raid_maps - Allocate memory for RAID maps | |
1476 | * @instance: Adapter soft state | |
1477 | * | |
1478 | * return: if success: return 0 | |
1479 | * failed: return -ENOMEM | |
1480 | */ | |
1481 | static inline int megasas_allocate_raid_maps(struct megasas_instance *instance) | |
1482 | { | |
1483 | struct fusion_context *fusion; | |
1484 | int i = 0; | |
1485 | ||
1486 | fusion = instance->ctrl_context; | |
1487 | ||
1488 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); | |
1489 | ||
1490 | for (i = 0; i < 2; i++) { | |
1491 | fusion->ld_map[i] = NULL; | |
1492 | ||
1493 | fusion->ld_drv_map[i] = (void *) | |
1494 | __get_free_pages(__GFP_ZERO | GFP_KERNEL, | |
1495 | fusion->drv_map_pages); | |
1496 | ||
1497 | if (!fusion->ld_drv_map[i]) { | |
1498 | fusion->ld_drv_map[i] = vzalloc(fusion->drv_map_sz); | |
1499 | ||
1500 | if (!fusion->ld_drv_map[i]) { | |
1501 | dev_err(&instance->pdev->dev, | |
1502 | "Could not allocate memory for local map" | |
1503 | " size requested: %d\n", | |
1504 | fusion->drv_map_sz); | |
1505 | goto ld_drv_map_alloc_fail; | |
1506 | } | |
1507 | } | |
1508 | } | |
1509 | ||
1510 | for (i = 0; i < 2; i++) { | |
1511 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
1512 | fusion->max_map_sz, | |
1513 | &fusion->ld_map_phys[i], | |
1514 | GFP_KERNEL); | |
1515 | if (!fusion->ld_map[i]) { | |
1516 | dev_err(&instance->pdev->dev, | |
1517 | "Could not allocate memory for map info %s:%d\n", | |
1518 | __func__, __LINE__); | |
1519 | goto ld_map_alloc_fail; | |
1520 | } | |
1521 | } | |
1522 | ||
1523 | return 0; | |
1524 | ||
1525 | ld_map_alloc_fail: | |
1526 | for (i = 0; i < 2; i++) { | |
1527 | if (fusion->ld_map[i]) | |
1528 | dma_free_coherent(&instance->pdev->dev, | |
1529 | fusion->max_map_sz, | |
1530 | fusion->ld_map[i], | |
1531 | fusion->ld_map_phys[i]); | |
1532 | } | |
1533 | ||
1534 | ld_drv_map_alloc_fail: | |
1535 | for (i = 0; i < 2; i++) { | |
1536 | if (fusion->ld_drv_map[i]) { | |
1537 | if (is_vmalloc_addr(fusion->ld_drv_map[i])) | |
1538 | vfree(fusion->ld_drv_map[i]); | |
1539 | else | |
1540 | free_pages((ulong)fusion->ld_drv_map[i], | |
1541 | fusion->drv_map_pages); | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | return -ENOMEM; | |
1546 | } | |
1547 | ||
e97e673c S |
1548 | /** |
1549 | * megasas_configure_queue_sizes - Calculate size of request desc queue, | |
1550 | * reply desc queue, | |
1551 | * IO request frame queue, set can_queue. | |
1552 | * @instance: Adapter soft state | |
1553 | * @return: void | |
1554 | */ | |
1555 | static inline | |
1556 | void megasas_configure_queue_sizes(struct megasas_instance *instance) | |
1557 | { | |
1558 | struct fusion_context *fusion; | |
1559 | u16 max_cmd; | |
1560 | ||
1561 | fusion = instance->ctrl_context; | |
1562 | max_cmd = instance->max_fw_cmds; | |
1563 | ||
630d42b7 | 1564 | if (instance->adapter_type >= VENTURA_SERIES) |
e97e673c S |
1565 | instance->max_mpt_cmds = instance->max_fw_cmds * RAID_1_PEER_CMDS; |
1566 | else | |
1567 | instance->max_mpt_cmds = instance->max_fw_cmds; | |
1568 | ||
9fb98561 | 1569 | instance->max_scsi_cmds = instance->max_fw_cmds - instance->max_mfi_cmds; |
e97e673c S |
1570 | instance->cur_can_queue = instance->max_scsi_cmds; |
1571 | instance->host->can_queue = instance->cur_can_queue; | |
1572 | ||
1573 | fusion->reply_q_depth = 2 * ((max_cmd + 1 + 15) / 16) * 16; | |
1574 | ||
1575 | fusion->request_alloc_sz = sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) * | |
1576 | instance->max_mpt_cmds; | |
1577 | fusion->reply_alloc_sz = sizeof(union MPI2_REPLY_DESCRIPTORS_UNION) * | |
1578 | (fusion->reply_q_depth); | |
1579 | fusion->io_frames_alloc_sz = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + | |
1580 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE | |
1581 | * (instance->max_mpt_cmds + 1)); /* Extra 1 for SMID 0 */ | |
1582 | } | |
1583 | ||
b9637d14 S |
1584 | static int megasas_alloc_ioc_init_frame(struct megasas_instance *instance) |
1585 | { | |
1586 | struct fusion_context *fusion; | |
1587 | struct megasas_cmd *cmd; | |
1588 | ||
1589 | fusion = instance->ctrl_context; | |
1590 | ||
e05ee4e9 | 1591 | cmd = kzalloc(sizeof(struct megasas_cmd), GFP_KERNEL); |
b9637d14 S |
1592 | |
1593 | if (!cmd) { | |
1594 | dev_err(&instance->pdev->dev, "Failed from func: %s line: %d\n", | |
1595 | __func__, __LINE__); | |
1596 | return -ENOMEM; | |
1597 | } | |
1598 | ||
1599 | cmd->frame = dma_alloc_coherent(&instance->pdev->dev, | |
1600 | IOC_INIT_FRAME_SIZE, | |
1601 | &cmd->frame_phys_addr, GFP_KERNEL); | |
1602 | ||
1603 | if (!cmd->frame) { | |
1604 | dev_err(&instance->pdev->dev, "Failed from func: %s line: %d\n", | |
1605 | __func__, __LINE__); | |
1606 | kfree(cmd); | |
1607 | return -ENOMEM; | |
1608 | } | |
1609 | ||
1610 | fusion->ioc_init_cmd = cmd; | |
1611 | return 0; | |
1612 | } | |
1613 | ||
1614 | /** | |
1615 | * megasas_free_ioc_init_cmd - Free IOC INIT command frame | |
1616 | * @instance: Adapter soft state | |
1617 | */ | |
1618 | static inline void megasas_free_ioc_init_cmd(struct megasas_instance *instance) | |
1619 | { | |
1620 | struct fusion_context *fusion; | |
1621 | ||
1622 | fusion = instance->ctrl_context; | |
1623 | ||
1624 | if (fusion->ioc_init_cmd && fusion->ioc_init_cmd->frame) | |
1625 | dma_free_coherent(&instance->pdev->dev, | |
1626 | IOC_INIT_FRAME_SIZE, | |
1627 | fusion->ioc_init_cmd->frame, | |
1628 | fusion->ioc_init_cmd->frame_phys_addr); | |
1629 | ||
19c05072 | 1630 | kfree(fusion->ioc_init_cmd); |
b9637d14 S |
1631 | } |
1632 | ||
9c915a8c AR |
1633 | /** |
1634 | * megasas_init_adapter_fusion - Initializes the FW | |
1635 | * @instance: Adapter soft state | |
1636 | * | |
1637 | * This is the main function for initializing firmware. | |
1638 | */ | |
1639 | u32 | |
1640 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
1641 | { | |
1642 | struct megasas_register_set __iomem *reg_set; | |
1643 | struct fusion_context *fusion; | |
81b76452 | 1644 | u32 scratch_pad_1; |
c8e858fe | 1645 | int i = 0, count; |
9c915a8c AR |
1646 | |
1647 | fusion = instance->ctrl_context; | |
1648 | ||
1649 | reg_set = instance->reg_set; | |
1650 | ||
308ec459 | 1651 | megasas_fusion_update_can_queue(instance, PROBE_CONTEXT); |
9c915a8c | 1652 | |
ae09a6c1 SS |
1653 | /* |
1654 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1655 | */ | |
1656 | instance->max_mfi_cmds = | |
1657 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c | 1658 | |
e97e673c | 1659 | megasas_configure_queue_sizes(instance); |
9c915a8c | 1660 | |
272652fc S |
1661 | scratch_pad_1 = megasas_readl(instance, |
1662 | &instance->reg_set->outbound_scratch_pad_1); | |
81b76452 | 1663 | /* If scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set, |
bd5f9484 | 1664 | * Firmware support extended IO chain frame which is 4 times more than |
1665 | * legacy Firmware. | |
1666 | * Legacy Firmware - Frame size is (8 * 128) = 1K | |
1667 | * 1M IO Firmware - Frame size is (8 * 128 * 4) = 4K | |
1668 | */ | |
81b76452 | 1669 | if (scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK) |
bd5f9484 | 1670 | instance->max_chain_frame_sz = |
81b76452 | 1671 | ((scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> |
bd5f9484 | 1672 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO; |
1673 | else | |
1674 | instance->max_chain_frame_sz = | |
81b76452 | 1675 | ((scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> |
bd5f9484 | 1676 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO; |
1677 | ||
1678 | if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) { | |
1679 | dev_warn(&instance->pdev->dev, "frame size %d invalid, fall back to legacy max frame size %d\n", | |
1680 | instance->max_chain_frame_sz, | |
1681 | MEGASAS_CHAIN_FRAME_SZ_MIN); | |
1682 | instance->max_chain_frame_sz = MEGASAS_CHAIN_FRAME_SZ_MIN; | |
1683 | } | |
1684 | ||
9c915a8c | 1685 | fusion->max_sge_in_main_msg = |
bd5f9484 | 1686 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE |
1687 | - offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16; | |
9c915a8c AR |
1688 | |
1689 | fusion->max_sge_in_chain = | |
bd5f9484 | 1690 | instance->max_chain_frame_sz |
1691 | / sizeof(union MPI2_SGE_IO_UNION); | |
9c915a8c | 1692 | |
bd5f9484 | 1693 | instance->max_num_sge = |
1694 | rounddown_pow_of_two(fusion->max_sge_in_main_msg | |
1695 | + fusion->max_sge_in_chain - 2); | |
9c915a8c AR |
1696 | |
1697 | /* Used for pass thru MFI frame (DCMD) */ | |
1698 | fusion->chain_offset_mfi_pthru = | |
1699 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL)/16; | |
1700 | ||
1701 | fusion->chain_offset_io_request = | |
1702 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1703 | sizeof(union MPI2_SGE_IO_UNION))/16; | |
1704 | ||
c8e858fe AR |
1705 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
1706 | for (i = 0 ; i < count; i++) | |
1707 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 1708 | |
f26ac3a1 | 1709 | /* |
ec779595 | 1710 | * For fusion adapters, 3 commands for IOCTL and 8 commands |
f26ac3a1 SS |
1711 | * for driver's internal DCMDs. |
1712 | */ | |
1713 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
1714 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
1715 | MEGASAS_FUSION_IOCTL_CMDS); | |
1716 | sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS); | |
1717 | ||
b9637d14 S |
1718 | if (megasas_alloc_ioc_init_frame(instance)) |
1719 | return 1; | |
1720 | ||
9c915a8c AR |
1721 | /* |
1722 | * Allocate memory for descriptors | |
1723 | * Create a pool of commands | |
1724 | */ | |
1725 | if (megasas_alloc_cmds(instance)) | |
1726 | goto fail_alloc_mfi_cmds; | |
1727 | if (megasas_alloc_cmds_fusion(instance)) | |
1728 | goto fail_alloc_cmds; | |
1729 | ||
1730 | if (megasas_ioc_init_fusion(instance)) | |
1731 | goto fail_ioc_init; | |
1732 | ||
39b72c3c | 1733 | megasas_display_intel_branding(instance); |
d009b576 | 1734 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
1735 | dev_err(&instance->pdev->dev, |
1736 | "Could not get controller info. Fail from %s %d\n", | |
1737 | __func__, __LINE__); | |
1738 | goto fail_ioc_init; | |
1739 | } | |
1740 | ||
9c915a8c | 1741 | instance->flag_ieee = 1; |
a48ba0ec | 1742 | instance->r1_ldio_hint_default = MR_R1_LDIO_PIGGYBACK_DEFAULT; |
51087a86 | 1743 | fusion->fast_path_io = 0; |
9c915a8c | 1744 | |
def3e8df S |
1745 | if (megasas_allocate_raid_maps(instance)) |
1746 | goto fail_ioc_init; | |
9c915a8c AR |
1747 | |
1748 | if (!megasas_get_map_info(instance)) | |
1749 | megasas_sync_map_info(instance); | |
1750 | ||
1751 | return 0; | |
1752 | ||
9c915a8c | 1753 | fail_ioc_init: |
eb1b1237 AR |
1754 | megasas_free_cmds_fusion(instance); |
1755 | fail_alloc_cmds: | |
1756 | megasas_free_cmds(instance); | |
1757 | fail_alloc_mfi_cmds: | |
b9637d14 | 1758 | megasas_free_ioc_init_cmd(instance); |
9c915a8c AR |
1759 | return 1; |
1760 | } | |
1761 | ||
3f6194af S |
1762 | /** |
1763 | * megasas_fault_detect_work - Worker function of | |
1764 | * FW fault handling workqueue. | |
1765 | */ | |
1766 | static void | |
1767 | megasas_fault_detect_work(struct work_struct *work) | |
1768 | { | |
1769 | struct megasas_instance *instance = | |
1770 | container_of(work, struct megasas_instance, | |
1771 | fw_fault_work.work); | |
1772 | u32 fw_state, dma_state, status; | |
1773 | ||
1774 | /* Check the fw state */ | |
de516379 | 1775 | fw_state = instance->instancet->read_fw_status_reg(instance) & |
3f6194af S |
1776 | MFI_STATE_MASK; |
1777 | ||
1778 | if (fw_state == MFI_STATE_FAULT) { | |
de516379 S |
1779 | dma_state = instance->instancet->read_fw_status_reg(instance) & |
1780 | MFI_STATE_DMADONE; | |
3f6194af S |
1781 | /* Start collecting crash, if DMA bit is done */ |
1782 | if (instance->crash_dump_drv_support && | |
1783 | instance->crash_dump_app_support && dma_state) { | |
1784 | megasas_fusion_crash_dump(instance); | |
1785 | } else { | |
1786 | if (instance->unload == 0) { | |
1787 | status = megasas_reset_fusion(instance->host, 0); | |
1788 | if (status != SUCCESS) { | |
1789 | dev_err(&instance->pdev->dev, | |
1790 | "Failed from %s %d, do not re-arm timer\n", | |
1791 | __func__, __LINE__); | |
1792 | return; | |
1793 | } | |
1794 | } | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | if (instance->fw_fault_work_q) | |
1799 | queue_delayed_work(instance->fw_fault_work_q, | |
1800 | &instance->fw_fault_work, | |
1801 | msecs_to_jiffies(MEGASAS_WATCHDOG_THREAD_INTERVAL)); | |
1802 | } | |
1803 | ||
1804 | int | |
1805 | megasas_fusion_start_watchdog(struct megasas_instance *instance) | |
1806 | { | |
1807 | /* Check if the Fault WQ is already started */ | |
1808 | if (instance->fw_fault_work_q) | |
1809 | return SUCCESS; | |
1810 | ||
1811 | INIT_DELAYED_WORK(&instance->fw_fault_work, megasas_fault_detect_work); | |
1812 | ||
1813 | snprintf(instance->fault_handler_work_q_name, | |
1814 | sizeof(instance->fault_handler_work_q_name), | |
1815 | "poll_megasas%d_status", instance->host->host_no); | |
1816 | ||
1817 | instance->fw_fault_work_q = | |
1818 | create_singlethread_workqueue(instance->fault_handler_work_q_name); | |
1819 | if (!instance->fw_fault_work_q) { | |
1820 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
1821 | __func__, __LINE__); | |
1822 | return FAILED; | |
1823 | } | |
1824 | ||
1825 | queue_delayed_work(instance->fw_fault_work_q, | |
1826 | &instance->fw_fault_work, | |
1827 | msecs_to_jiffies(MEGASAS_WATCHDOG_THREAD_INTERVAL)); | |
1828 | ||
1829 | return SUCCESS; | |
1830 | } | |
1831 | ||
1832 | void | |
1833 | megasas_fusion_stop_watchdog(struct megasas_instance *instance) | |
1834 | { | |
1835 | struct workqueue_struct *wq; | |
1836 | ||
1837 | if (instance->fw_fault_work_q) { | |
1838 | wq = instance->fw_fault_work_q; | |
1839 | instance->fw_fault_work_q = NULL; | |
1840 | if (!cancel_delayed_work_sync(&instance->fw_fault_work)) | |
1841 | flush_workqueue(wq); | |
1842 | destroy_workqueue(wq); | |
1843 | } | |
1844 | } | |
1845 | ||
9c915a8c AR |
1846 | /** |
1847 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1848 | * @cmd : Pointer to cmd | |
1849 | * @status : status of cmd returned by FW | |
1850 | * @ext_status : ext status of cmd returned by FW | |
1851 | */ | |
1852 | ||
1853 | void | |
69c337c0 | 1854 | map_cmd_status(struct fusion_context *fusion, |
41064f1b S |
1855 | struct scsi_cmnd *scmd, u8 status, u8 ext_status, |
1856 | u32 data_length, u8 *sense) | |
9c915a8c | 1857 | { |
def0eab3 | 1858 | u8 cmd_type; |
31d9a57b | 1859 | int resid; |
9c915a8c | 1860 | |
def0eab3 | 1861 | cmd_type = megasas_cmd_type(scmd); |
9c915a8c AR |
1862 | switch (status) { |
1863 | ||
1864 | case MFI_STAT_OK: | |
69c337c0 | 1865 | scmd->result = DID_OK << 16; |
9c915a8c AR |
1866 | break; |
1867 | ||
1868 | case MFI_STAT_SCSI_IO_FAILED: | |
1869 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
69c337c0 | 1870 | scmd->result = (DID_ERROR << 16) | ext_status; |
9c915a8c AR |
1871 | break; |
1872 | ||
1873 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1874 | ||
69c337c0 | 1875 | scmd->result = (DID_OK << 16) | ext_status; |
9c915a8c | 1876 | if (ext_status == SAM_STAT_CHECK_CONDITION) { |
69c337c0 | 1877 | memset(scmd->sense_buffer, 0, |
9c915a8c | 1878 | SCSI_SENSE_BUFFERSIZE); |
69c337c0 | 1879 | memcpy(scmd->sense_buffer, sense, |
9c915a8c | 1880 | SCSI_SENSE_BUFFERSIZE); |
69c337c0 | 1881 | scmd->result |= DRIVER_SENSE << 24; |
9c915a8c | 1882 | } |
31d9a57b S |
1883 | |
1884 | /* | |
1885 | * If the IO request is partially completed, then MR FW will | |
1886 | * update "io_request->DataLength" field with actual number of | |
1887 | * bytes transferred.Driver will set residual bytes count in | |
1888 | * SCSI command structure. | |
1889 | */ | |
1890 | resid = (scsi_bufflen(scmd) - data_length); | |
1891 | scsi_set_resid(scmd, resid); | |
def0eab3 S |
1892 | |
1893 | if (resid && | |
1894 | ((cmd_type == READ_WRITE_LDIO) || | |
1895 | (cmd_type == READ_WRITE_SYSPDIO))) | |
1896 | scmd_printk(KERN_INFO, scmd, "BRCM Debug mfi stat 0x%x, data len" | |
1897 | " requested/completed 0x%x/0x%x\n", | |
1898 | status, scsi_bufflen(scmd), data_length); | |
9c915a8c AR |
1899 | break; |
1900 | ||
1901 | case MFI_STAT_LD_OFFLINE: | |
1902 | case MFI_STAT_DEVICE_NOT_FOUND: | |
69c337c0 | 1903 | scmd->result = DID_BAD_TARGET << 16; |
9c915a8c | 1904 | break; |
36807e67 | 1905 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
69c337c0 | 1906 | scmd->result = DID_IMM_RETRY << 16; |
36807e67 | 1907 | break; |
9c915a8c | 1908 | default: |
69c337c0 | 1909 | scmd->result = DID_ERROR << 16; |
9c915a8c AR |
1910 | break; |
1911 | } | |
1912 | } | |
1913 | ||
33203bc4 S |
1914 | /** |
1915 | * megasas_is_prp_possible - | |
1916 | * Checks if native NVMe PRPs can be built for the IO | |
1917 | * | |
1918 | * @instance: Adapter soft state | |
1919 | * @scmd: SCSI command from the mid-layer | |
1920 | * @sge_count: scatter gather element count. | |
1921 | * | |
1922 | * Returns: true: PRPs can be built | |
1923 | * false: IEEE SGLs needs to be built | |
1924 | */ | |
1925 | static bool | |
1926 | megasas_is_prp_possible(struct megasas_instance *instance, | |
1927 | struct scsi_cmnd *scmd, int sge_count) | |
1928 | { | |
1929 | struct fusion_context *fusion; | |
1930 | int i; | |
1931 | u32 data_length = 0; | |
1932 | struct scatterlist *sg_scmd; | |
1933 | bool build_prp = false; | |
1934 | u32 mr_nvme_pg_size; | |
1935 | ||
1936 | mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, | |
1937 | MR_DEFAULT_NVME_PAGE_SIZE); | |
1938 | fusion = instance->ctrl_context; | |
1939 | data_length = scsi_bufflen(scmd); | |
1940 | sg_scmd = scsi_sglist(scmd); | |
1941 | ||
1942 | /* | |
1943 | * NVMe uses one PRP for each page (or part of a page) | |
1944 | * look at the data length - if 4 pages or less then IEEE is OK | |
1945 | * if > 5 pages then we need to build a native SGL | |
1946 | * if > 4 and <= 5 pages, then check physical address of 1st SG entry | |
1947 | * if this first size in the page is >= the residual beyond 4 pages | |
1948 | * then use IEEE, otherwise use native SGL | |
1949 | */ | |
1950 | ||
1951 | if (data_length > (mr_nvme_pg_size * 5)) { | |
1952 | build_prp = true; | |
1953 | } else if ((data_length > (mr_nvme_pg_size * 4)) && | |
1954 | (data_length <= (mr_nvme_pg_size * 5))) { | |
1955 | /* check if 1st SG entry size is < residual beyond 4 pages */ | |
1956 | if (sg_dma_len(sg_scmd) < (data_length - (mr_nvme_pg_size * 4))) | |
1957 | build_prp = true; | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | * Below code detects gaps/holes in IO data buffers. | |
1962 | * What does holes/gaps mean? | |
1963 | * Any SGE except first one in a SGL starts at non NVME page size | |
1964 | * aligned address OR Any SGE except last one in a SGL ends at | |
1965 | * non NVME page size boundary. | |
1966 | * | |
1967 | * Driver has already informed block layer by setting boundary rules for | |
1968 | * bio merging done at NVME page size boundary calling kernel API | |
1969 | * blk_queue_virt_boundary inside slave_config. | |
1970 | * Still there is possibility of IO coming with holes to driver because of | |
1971 | * IO merging done by IO scheduler. | |
1972 | * | |
1973 | * With SCSI BLK MQ enabled, there will be no IO with holes as there is no | |
1974 | * IO scheduling so no IO merging. | |
1975 | * | |
1976 | * With SCSI BLK MQ disabled, IO scheduler may attempt to merge IOs and | |
1977 | * then sending IOs with holes. | |
1978 | * | |
1979 | * Though driver can request block layer to disable IO merging by calling- | |
8b904b5b | 1980 | * blk_queue_flag_set(QUEUE_FLAG_NOMERGES, sdev->request_queue) but |
33203bc4 S |
1981 | * user may tune sysfs parameter- nomerges again to 0 or 1. |
1982 | * | |
1983 | * If in future IO scheduling is enabled with SCSI BLK MQ, | |
1984 | * this algorithm to detect holes will be required in driver | |
1985 | * for SCSI BLK MQ enabled case as well. | |
1986 | * | |
1987 | * | |
1988 | */ | |
1989 | scsi_for_each_sg(scmd, sg_scmd, sge_count, i) { | |
1990 | if ((i != 0) && (i != (sge_count - 1))) { | |
1991 | if (mega_mod64(sg_dma_len(sg_scmd), mr_nvme_pg_size) || | |
1992 | mega_mod64(sg_dma_address(sg_scmd), | |
1993 | mr_nvme_pg_size)) { | |
1994 | build_prp = false; | |
1995 | atomic_inc(&instance->sge_holes_type1); | |
1996 | break; | |
1997 | } | |
1998 | } | |
1999 | ||
2000 | if ((sge_count > 1) && (i == 0)) { | |
2001 | if ((mega_mod64((sg_dma_address(sg_scmd) + | |
2002 | sg_dma_len(sg_scmd)), | |
2003 | mr_nvme_pg_size))) { | |
2004 | build_prp = false; | |
2005 | atomic_inc(&instance->sge_holes_type2); | |
2006 | break; | |
2007 | } | |
2008 | } | |
2009 | ||
2010 | if ((sge_count > 1) && (i == (sge_count - 1))) { | |
2011 | if (mega_mod64(sg_dma_address(sg_scmd), | |
2012 | mr_nvme_pg_size)) { | |
2013 | build_prp = false; | |
2014 | atomic_inc(&instance->sge_holes_type3); | |
2015 | break; | |
2016 | } | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | return build_prp; | |
2021 | } | |
2022 | ||
2023 | /** | |
2024 | * megasas_make_prp_nvme - | |
2025 | * Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only | |
2026 | * | |
2027 | * @instance: Adapter soft state | |
2028 | * @scmd: SCSI command from the mid-layer | |
2029 | * @sgl_ptr: SGL to be filled in | |
2030 | * @cmd: Fusion command frame | |
2031 | * @sge_count: scatter gather element count. | |
2032 | * | |
2033 | * Returns: true: PRPs are built | |
2034 | * false: IEEE SGLs needs to be built | |
2035 | */ | |
2036 | static bool | |
2037 | megasas_make_prp_nvme(struct megasas_instance *instance, struct scsi_cmnd *scmd, | |
2038 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
2039 | struct megasas_cmd_fusion *cmd, int sge_count) | |
2040 | { | |
2041 | int sge_len, offset, num_prp_in_chain = 0; | |
2042 | struct MPI25_IEEE_SGE_CHAIN64 *main_chain_element, *ptr_first_sgl; | |
d1da522f AB |
2043 | u64 *ptr_sgl; |
2044 | dma_addr_t ptr_sgl_phys; | |
33203bc4 S |
2045 | u64 sge_addr; |
2046 | u32 page_mask, page_mask_result; | |
2047 | struct scatterlist *sg_scmd; | |
2048 | u32 first_prp_len; | |
2049 | bool build_prp = false; | |
2050 | int data_len = scsi_bufflen(scmd); | |
2051 | struct fusion_context *fusion; | |
2052 | u32 mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, | |
2053 | MR_DEFAULT_NVME_PAGE_SIZE); | |
2054 | ||
2055 | fusion = instance->ctrl_context; | |
2056 | ||
2057 | build_prp = megasas_is_prp_possible(instance, scmd, sge_count); | |
2058 | ||
2059 | if (!build_prp) | |
2060 | return false; | |
2061 | ||
2062 | /* | |
2063 | * Nvme has a very convoluted prp format. One prp is required | |
2064 | * for each page or partial page. Driver need to split up OS sg_list | |
2065 | * entries if it is longer than one page or cross a page | |
2066 | * boundary. Driver also have to insert a PRP list pointer entry as | |
2067 | * the last entry in each physical page of the PRP list. | |
2068 | * | |
2069 | * NOTE: The first PRP "entry" is actually placed in the first | |
2070 | * SGL entry in the main message as IEEE 64 format. The 2nd | |
2071 | * entry in the main message is the chain element, and the rest | |
2072 | * of the PRP entries are built in the contiguous pcie buffer. | |
2073 | */ | |
2074 | page_mask = mr_nvme_pg_size - 1; | |
2075 | ptr_sgl = (u64 *)cmd->sg_frame; | |
d1da522f | 2076 | ptr_sgl_phys = cmd->sg_frame_phys_addr; |
33203bc4 S |
2077 | memset(ptr_sgl, 0, instance->max_chain_frame_sz); |
2078 | ||
2079 | /* Build chain frame element which holds all prps except first*/ | |
2080 | main_chain_element = (struct MPI25_IEEE_SGE_CHAIN64 *) | |
2081 | ((u8 *)sgl_ptr + sizeof(struct MPI25_IEEE_SGE_CHAIN64)); | |
2082 | ||
d1da522f | 2083 | main_chain_element->Address = cpu_to_le64(ptr_sgl_phys); |
33203bc4 S |
2084 | main_chain_element->NextChainOffset = 0; |
2085 | main_chain_element->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2086 | IEEE_SGE_FLAGS_SYSTEM_ADDR | | |
2087 | MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP; | |
2088 | ||
2089 | /* Build first prp, sge need not to be page aligned*/ | |
2090 | ptr_first_sgl = sgl_ptr; | |
2091 | sg_scmd = scsi_sglist(scmd); | |
2092 | sge_addr = sg_dma_address(sg_scmd); | |
2093 | sge_len = sg_dma_len(sg_scmd); | |
2094 | ||
2095 | offset = (u32)(sge_addr & page_mask); | |
2096 | first_prp_len = mr_nvme_pg_size - offset; | |
2097 | ||
2098 | ptr_first_sgl->Address = cpu_to_le64(sge_addr); | |
2099 | ptr_first_sgl->Length = cpu_to_le32(first_prp_len); | |
2100 | ||
2101 | data_len -= first_prp_len; | |
2102 | ||
2103 | if (sge_len > first_prp_len) { | |
2104 | sge_addr += first_prp_len; | |
2105 | sge_len -= first_prp_len; | |
2106 | } else if (sge_len == first_prp_len) { | |
2107 | sg_scmd = sg_next(sg_scmd); | |
2108 | sge_addr = sg_dma_address(sg_scmd); | |
2109 | sge_len = sg_dma_len(sg_scmd); | |
2110 | } | |
2111 | ||
2112 | for (;;) { | |
2113 | offset = (u32)(sge_addr & page_mask); | |
2114 | ||
2115 | /* Put PRP pointer due to page boundary*/ | |
2116 | page_mask_result = (uintptr_t)(ptr_sgl + 1) & page_mask; | |
2117 | if (unlikely(!page_mask_result)) { | |
2118 | scmd_printk(KERN_NOTICE, | |
2119 | scmd, "page boundary ptr_sgl: 0x%p\n", | |
2120 | ptr_sgl); | |
d1da522f AB |
2121 | ptr_sgl_phys += 8; |
2122 | *ptr_sgl = cpu_to_le64(ptr_sgl_phys); | |
33203bc4 S |
2123 | ptr_sgl++; |
2124 | num_prp_in_chain++; | |
2125 | } | |
2126 | ||
2127 | *ptr_sgl = cpu_to_le64(sge_addr); | |
2128 | ptr_sgl++; | |
d1da522f | 2129 | ptr_sgl_phys += 8; |
33203bc4 S |
2130 | num_prp_in_chain++; |
2131 | ||
2132 | sge_addr += mr_nvme_pg_size; | |
2133 | sge_len -= mr_nvme_pg_size; | |
2134 | data_len -= mr_nvme_pg_size; | |
2135 | ||
2136 | if (data_len <= 0) | |
2137 | break; | |
2138 | ||
2139 | if (sge_len > 0) | |
2140 | continue; | |
2141 | ||
2142 | sg_scmd = sg_next(sg_scmd); | |
2143 | sge_addr = sg_dma_address(sg_scmd); | |
2144 | sge_len = sg_dma_len(sg_scmd); | |
2145 | } | |
2146 | ||
2147 | main_chain_element->Length = | |
2148 | cpu_to_le32(num_prp_in_chain * sizeof(u64)); | |
2149 | ||
2150 | atomic_inc(&instance->prp_sgl); | |
2151 | return build_prp; | |
2152 | } | |
2153 | ||
9c915a8c AR |
2154 | /** |
2155 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
2156 | * @instance: Adapter soft state | |
2157 | * @scp: SCSI command from the mid-layer | |
2158 | * @sgl_ptr: SGL to be filled in | |
2159 | * @cmd: cmd we are working on | |
33203bc4 | 2160 | * @sge_count sge count |
9c915a8c | 2161 | * |
9c915a8c | 2162 | */ |
33203bc4 | 2163 | static void |
9c915a8c AR |
2164 | megasas_make_sgl_fusion(struct megasas_instance *instance, |
2165 | struct scsi_cmnd *scp, | |
2166 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
33203bc4 | 2167 | struct megasas_cmd_fusion *cmd, int sge_count) |
9c915a8c | 2168 | { |
33203bc4 | 2169 | int i, sg_processed; |
9c915a8c AR |
2170 | struct scatterlist *os_sgl; |
2171 | struct fusion_context *fusion; | |
2172 | ||
2173 | fusion = instance->ctrl_context; | |
2174 | ||
c365178f | 2175 | if (instance->adapter_type >= INVADER_SERIES) { |
36807e67 AR |
2176 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
2177 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2178 | sgl_ptr_end->Flags = 0; | |
2179 | } | |
9c915a8c | 2180 | |
9c915a8c | 2181 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
2182 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
2183 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 2184 | sgl_ptr->Flags = 0; |
c365178f | 2185 | if (instance->adapter_type >= INVADER_SERIES) |
36807e67 AR |
2186 | if (i == sge_count - 1) |
2187 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
9c915a8c | 2188 | sgl_ptr++; |
9c915a8c AR |
2189 | sg_processed = i + 1; |
2190 | ||
2191 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
2192 | (sge_count > fusion->max_sge_in_main_msg)) { | |
2193 | ||
2194 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
c365178f | 2195 | if (instance->adapter_type >= INVADER_SERIES) { |
94cd65dd SS |
2196 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
2197 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
2198 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 AR |
2199 | cmd->io_request->ChainOffset = |
2200 | fusion-> | |
2201 | chain_offset_io_request; | |
2202 | else | |
2203 | cmd->io_request->ChainOffset = 0; | |
2204 | } else | |
2205 | cmd->io_request->ChainOffset = | |
2206 | fusion->chain_offset_io_request; | |
2207 | ||
9c915a8c AR |
2208 | sg_chain = sgl_ptr; |
2209 | /* Prepare chain element */ | |
2210 | sg_chain->NextChainOffset = 0; | |
c365178f | 2211 | if (instance->adapter_type >= INVADER_SERIES) |
36807e67 AR |
2212 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
2213 | else | |
2214 | sg_chain->Flags = | |
2215 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2216 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
2217 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
2218 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c AR |
2219 | |
2220 | sgl_ptr = | |
2221 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
bd5f9484 | 2222 | memset(sgl_ptr, 0, instance->max_chain_frame_sz); |
9c915a8c AR |
2223 | } |
2224 | } | |
33203bc4 S |
2225 | atomic_inc(&instance->ieee_sgl); |
2226 | } | |
2227 | ||
2228 | /** | |
2229 | * megasas_make_sgl - Build Scatter Gather List(SGLs) | |
2230 | * @scp: SCSI command pointer | |
2231 | * @instance: Soft instance of controller | |
2232 | * @cmd: Fusion command pointer | |
2233 | * | |
2234 | * This function will build sgls based on device type. | |
2235 | * For nvme drives, there is different way of building sgls in nvme native | |
2236 | * format- PRPs(Physical Region Page). | |
2237 | * | |
2238 | * Returns the number of sg lists actually used, zero if the sg lists | |
2239 | * is NULL, or -ENOMEM if the mapping failed | |
2240 | */ | |
2241 | static | |
2242 | int megasas_make_sgl(struct megasas_instance *instance, struct scsi_cmnd *scp, | |
2243 | struct megasas_cmd_fusion *cmd) | |
2244 | { | |
2245 | int sge_count; | |
2246 | bool build_prp = false; | |
2247 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_chain64; | |
2248 | ||
2249 | sge_count = scsi_dma_map(scp); | |
2250 | ||
2251 | if ((sge_count > instance->max_num_sge) || (sge_count <= 0)) | |
2252 | return sge_count; | |
2253 | ||
2254 | sgl_chain64 = (struct MPI25_IEEE_SGE_CHAIN64 *)&cmd->io_request->SGL; | |
2255 | if ((le16_to_cpu(cmd->io_request->IoFlags) & | |
2256 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) && | |
2257 | (cmd->pd_interface == NVME_PD)) | |
2258 | build_prp = megasas_make_prp_nvme(instance, scp, sgl_chain64, | |
2259 | cmd, sge_count); | |
2260 | ||
2261 | if (!build_prp) | |
2262 | megasas_make_sgl_fusion(instance, scp, sgl_chain64, | |
2263 | cmd, sge_count); | |
9c915a8c AR |
2264 | |
2265 | return sge_count; | |
2266 | } | |
2267 | ||
2268 | /** | |
2269 | * megasas_set_pd_lba - Sets PD LBA | |
2270 | * @cdb: CDB | |
2271 | * @cdb_len: cdb length | |
2272 | * @start_blk: Start block of IO | |
2273 | * | |
2274 | * Used to set the PD LBA in CDB for FP IOs | |
2275 | */ | |
2276 | void | |
2277 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
2278 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 2279 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c AR |
2280 | { |
2281 | struct MR_LD_RAID *raid; | |
d2d0358b | 2282 | u16 ld; |
9c915a8c AR |
2283 | u64 start_blk = io_info->pdBlock; |
2284 | u8 *cdb = io_request->CDB.CDB32; | |
2285 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 2286 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c AR |
2287 | |
2288 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
2289 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
2290 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2291 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
2292 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2293 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
2294 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
2295 | ||
60ee6529 | 2296 | if (scp->sc_data_direction == DMA_FROM_DEVICE) |
9c915a8c AR |
2297 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; |
2298 | else | |
2299 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
2300 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
2301 | ||
2302 | /* LBA */ | |
2303 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
2304 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
2305 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
2306 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
2307 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
2308 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
2309 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
2310 | cdb[19] = (u8)(start_blk & 0xff); | |
2311 | ||
2312 | /* Logical block reference tag */ | |
2313 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
2314 | cpu_to_be32(ref_tag); | |
6e755ddc | 2315 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 2316 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c AR |
2317 | |
2318 | /* Transfer length */ | |
2319 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
2320 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
2321 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
2322 | cdb[31] = (u8)(num_blocks & 0xff); | |
2323 | ||
2324 | /* set SCSI IO EEDPFlags */ | |
60ee6529 | 2325 | if (scp->sc_data_direction == DMA_FROM_DEVICE) { |
94cd65dd | 2326 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c AR |
2327 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
2328 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
2329 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
2330 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
45d44603 | 2331 | MPI25_SCSIIO_EEDPFLAGS_DO_NOT_DISABLE_MODE | |
94cd65dd | 2332 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 2333 | } else { |
94cd65dd | 2334 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 2335 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 2336 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 2337 | } |
94cd65dd SS |
2338 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
2339 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c AR |
2340 | } else { |
2341 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
2342 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
2343 | (start_blk <= 0xffffffff)) { | |
2344 | if (cdb_len == 16) { | |
2345 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
2346 | flagvals = cdb[1]; | |
2347 | groupnum = cdb[14]; | |
2348 | control = cdb[15]; | |
2349 | } else { | |
2350 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
2351 | flagvals = cdb[1]; | |
2352 | groupnum = cdb[10]; | |
2353 | control = cdb[11]; | |
2354 | } | |
2355 | ||
2356 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2357 | ||
2358 | cdb[0] = opcode; | |
2359 | cdb[1] = flagvals; | |
2360 | cdb[6] = groupnum; | |
2361 | cdb[9] = control; | |
2362 | ||
2363 | /* Transfer length */ | |
2364 | cdb[8] = (u8)(num_blocks & 0xff); | |
2365 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
2366 | ||
94cd65dd | 2367 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 2368 | cdb_len = 10; |
495c5609 AR |
2369 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
2370 | /* Convert to 16 byte CDB for large LBA's */ | |
2371 | switch (cdb_len) { | |
2372 | case 6: | |
2373 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
2374 | control = cdb[5]; | |
2375 | break; | |
2376 | case 10: | |
2377 | opcode = | |
2378 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
2379 | flagvals = cdb[1]; | |
2380 | groupnum = cdb[6]; | |
2381 | control = cdb[9]; | |
2382 | break; | |
2383 | case 12: | |
2384 | opcode = | |
2385 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
2386 | flagvals = cdb[1]; | |
2387 | groupnum = cdb[10]; | |
2388 | control = cdb[11]; | |
2389 | break; | |
2390 | } | |
2391 | ||
2392 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2393 | ||
2394 | cdb[0] = opcode; | |
2395 | cdb[1] = flagvals; | |
2396 | cdb[14] = groupnum; | |
2397 | cdb[15] = control; | |
2398 | ||
2399 | /* Transfer length */ | |
2400 | cdb[13] = (u8)(num_blocks & 0xff); | |
2401 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
2402 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
2403 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
2404 | ||
94cd65dd | 2405 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 2406 | cdb_len = 16; |
9c915a8c AR |
2407 | } |
2408 | ||
2409 | /* Normal case, just load LBA here */ | |
2410 | switch (cdb_len) { | |
2411 | case 6: | |
2412 | { | |
2413 | u8 val = cdb[1] & 0xE0; | |
2414 | cdb[3] = (u8)(start_blk & 0xff); | |
2415 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
2416 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
2417 | break; | |
2418 | } | |
2419 | case 10: | |
2420 | cdb[5] = (u8)(start_blk & 0xff); | |
2421 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
2422 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
2423 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
2424 | break; | |
2425 | case 12: | |
2426 | cdb[5] = (u8)(start_blk & 0xff); | |
2427 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
2428 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
2429 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
2430 | break; | |
2431 | case 16: | |
2432 | cdb[9] = (u8)(start_blk & 0xff); | |
2433 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
2434 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
2435 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
2436 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
2437 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
2438 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
2439 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
2440 | break; | |
2441 | } | |
2442 | } | |
2443 | } | |
2444 | ||
fdd84e25 SC |
2445 | /** |
2446 | * megasas_stream_detect - stream detection on read and and write IOs | |
2447 | * @instance: Adapter soft state | |
2448 | * @cmd: Command to be prepared | |
2449 | * @io_info: IO Request info | |
2450 | * | |
2451 | */ | |
2452 | ||
2453 | /** stream detection on read and and write IOs */ | |
2454 | static void megasas_stream_detect(struct megasas_instance *instance, | |
41064f1b S |
2455 | struct megasas_cmd_fusion *cmd, |
2456 | struct IO_REQUEST_INFO *io_info) | |
fdd84e25 SC |
2457 | { |
2458 | struct fusion_context *fusion = instance->ctrl_context; | |
2459 | u32 device_id = io_info->ldTgtId; | |
2460 | struct LD_STREAM_DETECT *current_ld_sd | |
2461 | = fusion->stream_detect_by_ld[device_id]; | |
2462 | u32 *track_stream = ¤t_ld_sd->mru_bit_map, stream_num; | |
2463 | u32 shifted_values, unshifted_values; | |
2464 | u32 index_value_mask, shifted_values_mask; | |
2465 | int i; | |
2466 | bool is_read_ahead = false; | |
2467 | struct STREAM_DETECT *current_sd; | |
2468 | /* find possible stream */ | |
2469 | for (i = 0; i < MAX_STREAMS_TRACKED; ++i) { | |
41064f1b S |
2470 | stream_num = (*track_stream >> |
2471 | (i * BITS_PER_INDEX_STREAM)) & | |
fdd84e25 SC |
2472 | STREAM_MASK; |
2473 | current_sd = ¤t_ld_sd->stream_track[stream_num]; | |
41064f1b S |
2474 | /* if we found a stream, update the raid |
2475 | * context and also update the mruBitMap | |
2476 | */ | |
2477 | /* boundary condition */ | |
2478 | if ((current_sd->next_seq_lba) && | |
2479 | (io_info->ldStartBlock >= current_sd->next_seq_lba) && | |
2480 | (io_info->ldStartBlock <= (current_sd->next_seq_lba + 32)) && | |
2481 | (current_sd->is_read == io_info->isRead)) { | |
2482 | ||
2483 | if ((io_info->ldStartBlock != current_sd->next_seq_lba) && | |
2484 | ((!io_info->isRead) || (!is_read_ahead))) | |
2485 | /* | |
2486 | * Once the API availible we need to change this. | |
2487 | * At this point we are not allowing any gap | |
2488 | */ | |
2489 | continue; | |
2490 | ||
2491 | SET_STREAM_DETECTED(cmd->io_request->RaidContext.raid_context_g35); | |
2492 | current_sd->next_seq_lba = | |
2493 | io_info->ldStartBlock + io_info->numBlocks; | |
fdd84e25 | 2494 | /* |
41064f1b | 2495 | * update the mruBitMap LRU |
fdd84e25 | 2496 | */ |
41064f1b S |
2497 | shifted_values_mask = |
2498 | (1 << i * BITS_PER_INDEX_STREAM) - 1; | |
2499 | shifted_values = ((*track_stream & shifted_values_mask) | |
2500 | << BITS_PER_INDEX_STREAM); | |
2501 | index_value_mask = | |
2502 | STREAM_MASK << i * BITS_PER_INDEX_STREAM; | |
2503 | unshifted_values = | |
2504 | *track_stream & ~(shifted_values_mask | | |
2505 | index_value_mask); | |
2506 | *track_stream = | |
2507 | unshifted_values | shifted_values | stream_num; | |
2508 | return; | |
fdd84e25 | 2509 | } |
fdd84e25 SC |
2510 | } |
2511 | /* | |
2512 | * if we did not find any stream, create a new one | |
2513 | * from the least recently used | |
2514 | */ | |
41064f1b S |
2515 | stream_num = (*track_stream >> |
2516 | ((MAX_STREAMS_TRACKED - 1) * BITS_PER_INDEX_STREAM)) & | |
2517 | STREAM_MASK; | |
fdd84e25 SC |
2518 | current_sd = ¤t_ld_sd->stream_track[stream_num]; |
2519 | current_sd->is_read = io_info->isRead; | |
2520 | current_sd->next_seq_lba = io_info->ldStartBlock + io_info->numBlocks; | |
41064f1b | 2521 | *track_stream = (((*track_stream & ZERO_LAST_STREAM) << 4) | stream_num); |
fdd84e25 | 2522 | return; |
fdd84e25 SC |
2523 | } |
2524 | ||
f6c0d55c S |
2525 | /** |
2526 | * megasas_set_raidflag_cpu_affinity - This function sets the cpu | |
2527 | * affinity (cpu of the controller) and raid_flags in the raid context | |
2528 | * based on IO type. | |
2529 | * | |
2530 | * @praid_context: IO RAID context | |
2531 | * @raid: LD raid map | |
2532 | * @fp_possible: Is fast path possible? | |
2533 | * @is_read: Is read IO? | |
2534 | * | |
2535 | */ | |
2536 | static void | |
2537 | megasas_set_raidflag_cpu_affinity(union RAID_CONTEXT_UNION *praid_context, | |
2538 | struct MR_LD_RAID *raid, bool fp_possible, | |
a48ba0ec | 2539 | u8 is_read, u32 scsi_buff_len) |
f6c0d55c S |
2540 | { |
2541 | u8 cpu_sel = MR_RAID_CTX_CPUSEL_0; | |
2542 | struct RAID_CONTEXT_G35 *rctx_g35; | |
2543 | ||
2544 | rctx_g35 = &praid_context->raid_context_g35; | |
2545 | if (fp_possible) { | |
2546 | if (is_read) { | |
2547 | if ((raid->cpuAffinity.pdRead.cpu0) && | |
2548 | (raid->cpuAffinity.pdRead.cpu1)) | |
2549 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2550 | else if (raid->cpuAffinity.pdRead.cpu1) | |
2551 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2552 | } else { | |
2553 | if ((raid->cpuAffinity.pdWrite.cpu0) && | |
2554 | (raid->cpuAffinity.pdWrite.cpu1)) | |
2555 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2556 | else if (raid->cpuAffinity.pdWrite.cpu1) | |
2557 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2558 | /* Fast path cache by pass capable R0/R1 VD */ | |
2559 | if ((raid->level <= 1) && | |
2560 | (raid->capability.fp_cache_bypass_capable)) { | |
a174118b S |
2561 | rctx_g35->routing_flags |= |
2562 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SLD_SHIFT); | |
f6c0d55c S |
2563 | rctx_g35->raid_flags = |
2564 | (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS | |
2565 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); | |
2566 | } | |
2567 | } | |
2568 | } else { | |
2569 | if (is_read) { | |
2570 | if ((raid->cpuAffinity.ldRead.cpu0) && | |
2571 | (raid->cpuAffinity.ldRead.cpu1)) | |
2572 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2573 | else if (raid->cpuAffinity.ldRead.cpu1) | |
2574 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2575 | } else { | |
2576 | if ((raid->cpuAffinity.ldWrite.cpu0) && | |
2577 | (raid->cpuAffinity.ldWrite.cpu1)) | |
2578 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2579 | else if (raid->cpuAffinity.ldWrite.cpu1) | |
2580 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2581 | ||
a174118b | 2582 | if (is_stream_detected(rctx_g35) && |
874d025d | 2583 | ((raid->level == 5) || (raid->level == 6)) && |
f6c0d55c S |
2584 | (raid->writeMode == MR_RL_WRITE_THROUGH_MODE) && |
2585 | (cpu_sel == MR_RAID_CTX_CPUSEL_FCFS)) | |
2586 | cpu_sel = MR_RAID_CTX_CPUSEL_0; | |
2587 | } | |
2588 | } | |
2589 | ||
a174118b S |
2590 | rctx_g35->routing_flags |= |
2591 | (cpu_sel << MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT); | |
a48ba0ec S |
2592 | |
2593 | /* Always give priority to MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT | |
2594 | * vs MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS. | |
2595 | * IO Subtype is not bitmap. | |
2596 | */ | |
2597 | if ((raid->level == 1) && (!is_read)) { | |
2598 | if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE) | |
2599 | praid_context->raid_context_g35.raid_flags = | |
2600 | (MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT | |
2601 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); | |
2602 | } | |
f6c0d55c S |
2603 | } |
2604 | ||
9c915a8c AR |
2605 | /** |
2606 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
2607 | * @instance: Adapter soft state | |
2608 | * @scp: SCSI command | |
2609 | * @cmd: Command to be prepared | |
2610 | * | |
2611 | * Prepares the io_request and chain elements (sg_frame) for IO | |
2612 | * The IO can be for PD (Fast Path) or LD | |
2613 | */ | |
2614 | void | |
2615 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
2616 | struct scsi_cmnd *scp, | |
2617 | struct megasas_cmd_fusion *cmd) | |
2618 | { | |
f6c0d55c S |
2619 | bool fp_possible; |
2620 | u16 ld; | |
2621 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; | |
2622 | u32 scsi_buff_len; | |
9c915a8c AR |
2623 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
2624 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2625 | struct IO_REQUEST_INFO io_info; | |
2626 | struct fusion_context *fusion; | |
51087a86 | 2627 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 2628 | u8 *raidLUN; |
fdd84e25 | 2629 | unsigned long spinlock_flags; |
f6c0d55c S |
2630 | struct MR_LD_RAID *raid = NULL; |
2631 | struct MR_PRIV_DEVICE *mrdev_priv; | |
9e77018e S |
2632 | struct RAID_CONTEXT *rctx; |
2633 | struct RAID_CONTEXT_G35 *rctx_g35; | |
9c915a8c | 2634 | |
4a5c814d | 2635 | device_id = MEGASAS_DEV_INDEX(scp); |
9c915a8c AR |
2636 | |
2637 | fusion = instance->ctrl_context; | |
2638 | ||
2639 | io_request = cmd->io_request; | |
9e77018e S |
2640 | rctx = &io_request->RaidContext.raid_context; |
2641 | rctx_g35 = &io_request->RaidContext.raid_context_g35; | |
2642 | ||
2643 | rctx->virtual_disk_tgt_id = cpu_to_le16(device_id); | |
2644 | rctx->status = 0; | |
2645 | rctx->ex_status = 0; | |
9c915a8c AR |
2646 | |
2647 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
2648 | ||
2649 | start_lba_lo = 0; | |
2650 | start_lba_hi = 0; | |
f6c0d55c | 2651 | fp_possible = false; |
9c915a8c AR |
2652 | |
2653 | /* | |
2654 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
2655 | */ | |
2656 | if (scp->cmd_len == 6) { | |
f9eff815 | 2657 | datalength = (u32) scp->cmnd[4]; |
9c915a8c AR |
2658 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
2659 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
2660 | ||
2661 | start_lba_lo &= 0x1FFFFF; | |
2662 | } | |
2663 | ||
2664 | /* | |
2665 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
2666 | */ | |
2667 | else if (scp->cmd_len == 10) { | |
f9eff815 | 2668 | datalength = (u32) scp->cmnd[8] | |
9c915a8c AR |
2669 | ((u32) scp->cmnd[7] << 8); |
2670 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
2671 | ((u32) scp->cmnd[3] << 16) | | |
2672 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2673 | } | |
2674 | ||
2675 | /* | |
2676 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
2677 | */ | |
2678 | else if (scp->cmd_len == 12) { | |
f9eff815 | 2679 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c AR |
2680 | ((u32) scp->cmnd[7] << 16) | |
2681 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
2682 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
2683 | ((u32) scp->cmnd[3] << 16) | | |
2684 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2685 | } | |
2686 | ||
2687 | /* | |
2688 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
2689 | */ | |
2690 | else if (scp->cmd_len == 16) { | |
f9eff815 | 2691 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c AR |
2692 | ((u32) scp->cmnd[11] << 16) | |
2693 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
2694 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
2695 | ((u32) scp->cmnd[7] << 16) | | |
2696 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
2697 | ||
2698 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
2699 | ((u32) scp->cmnd[3] << 16) | | |
2700 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2701 | } | |
2702 | ||
2703 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
2704 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 2705 | io_info.numBlocks = datalength; |
9c915a8c | 2706 | io_info.ldTgtId = device_id; |
8bf7c65d | 2707 | io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID; |
f6c0d55c S |
2708 | scsi_buff_len = scsi_bufflen(scp); |
2709 | io_request->DataLength = cpu_to_le32(scsi_buff_len); | |
9c915a8c | 2710 | |
60ee6529 | 2711 | if (scp->sc_data_direction == DMA_FROM_DEVICE) |
9c915a8c AR |
2712 | io_info.isRead = 1; |
2713 | ||
51087a86 | 2714 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
d889344e | 2715 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
9c915a8c | 2716 | |
d2d0358b S |
2717 | if (ld < instance->fw_supported_vd_count) |
2718 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2719 | ||
2720 | if (!raid || (!fusion->fast_path_io)) { | |
9e77018e | 2721 | rctx->reg_lock_flags = 0; |
f6c0d55c | 2722 | fp_possible = false; |
9c915a8c | 2723 | } else { |
9e77018e | 2724 | if (MR_BuildRaidContext(instance, &io_info, rctx, |
21c9e160 | 2725 | local_map_ptr, &raidLUN)) |
f6c0d55c | 2726 | fp_possible = (io_info.fpOkForIo > 0) ? true : false; |
9c915a8c AR |
2727 | } |
2728 | ||
adbe5523 ML |
2729 | cmd->request_desc->SCSIIO.MSIxIndex = |
2730 | instance->reply_map[raw_smp_processor_id()]; | |
c8e858fe | 2731 | |
630d42b7 | 2732 | if (instance->adapter_type >= VENTURA_SERIES) { |
a48ba0ec S |
2733 | /* FP for Optimal raid level 1. |
2734 | * All large RAID-1 writes (> 32 KiB, both WT and WB modes) | |
2735 | * are built by the driver as LD I/Os. | |
2736 | * All small RAID-1 WT writes (<= 32 KiB) are built as FP I/Os | |
2737 | * (there is never a reason to process these as buffered writes) | |
2738 | * All small RAID-1 WB writes (<= 32 KiB) are built as FP I/Os | |
2739 | * with the SLD bit asserted. | |
2740 | */ | |
8bf7c65d | 2741 | if (io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) { |
f6c0d55c S |
2742 | mrdev_priv = scp->device->hostdata; |
2743 | ||
2744 | if (atomic_inc_return(&instance->fw_outstanding) > | |
2745 | (instance->host->can_queue)) { | |
2746 | fp_possible = false; | |
2747 | atomic_dec(&instance->fw_outstanding); | |
a48ba0ec | 2748 | } else if ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) || |
49524b3c | 2749 | (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0)) { |
a48ba0ec S |
2750 | fp_possible = false; |
2751 | atomic_dec(&instance->fw_outstanding); | |
2752 | if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE) | |
2753 | atomic_set(&mrdev_priv->r1_ldio_hint, | |
2754 | instance->r1_ldio_hint_default); | |
f6c0d55c S |
2755 | } |
2756 | } | |
2757 | ||
4959e61b S |
2758 | if (!fp_possible || |
2759 | (io_info.isRead && io_info.ra_capable)) { | |
2760 | spin_lock_irqsave(&instance->stream_lock, | |
2761 | spinlock_flags); | |
2762 | megasas_stream_detect(instance, cmd, &io_info); | |
2763 | spin_unlock_irqrestore(&instance->stream_lock, | |
2764 | spinlock_flags); | |
2765 | /* In ventura if stream detected for a read and it is | |
2766 | * read ahead capable make this IO as LDIO | |
2767 | */ | |
9e77018e | 2768 | if (is_stream_detected(rctx_g35)) |
4959e61b S |
2769 | fp_possible = false; |
2770 | } | |
2771 | ||
f6c0d55c S |
2772 | /* If raid is NULL, set CPU affinity to default CPU0 */ |
2773 | if (raid) | |
9e77018e | 2774 | megasas_set_raidflag_cpu_affinity(&io_request->RaidContext, |
a48ba0ec S |
2775 | raid, fp_possible, io_info.isRead, |
2776 | scsi_buff_len); | |
f6c0d55c | 2777 | else |
9e77018e | 2778 | rctx_g35->routing_flags |= |
a174118b | 2779 | (MR_RAID_CTX_CPUSEL_0 << MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT); |
f6c0d55c | 2780 | } |
d889344e | 2781 | |
9c915a8c AR |
2782 | if (fp_possible) { |
2783 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
2784 | local_map_ptr, start_lba_lo); | |
9c915a8c AR |
2785 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
2786 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2787 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO |
9c915a8c | 2788 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
c365178f | 2789 | if (instance->adapter_type == INVADER_SERIES) { |
9e77018e | 2790 | if (rctx->reg_lock_flags == REGION_TYPE_UNUSED) |
36807e67 AR |
2791 | cmd->request_desc->SCSIIO.RequestFlags = |
2792 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
2793 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
9e77018e S |
2794 | rctx->type = MPI2_TYPE_CUDA; |
2795 | rctx->nseg = 0x1; | |
94cd65dd | 2796 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
9e77018e | 2797 | rctx->reg_lock_flags |= |
36807e67 AR |
2798 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | |
2799 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
630d42b7 | 2800 | } else if (instance->adapter_type >= VENTURA_SERIES) { |
9e77018e S |
2801 | rctx_g35->nseg_type |= (1 << RAID_CONTEXT_NSEG_SHIFT); |
2802 | rctx_g35->nseg_type |= (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
2803 | rctx_g35->routing_flags |= (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); | |
d889344e | 2804 | io_request->IoFlags |= |
a174118b | 2805 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 | 2806 | } |
5fc499b6 S |
2807 | if (fusion->load_balance_info && |
2808 | (fusion->load_balance_info[device_id].loadBalanceFlag) && | |
2809 | (io_info.isRead)) { | |
9c915a8c | 2810 | io_info.devHandle = |
d2552ebe | 2811 | get_updated_dev_handle(instance, |
9c915a8c | 2812 | &fusion->load_balance_info[device_id], |
33203bc4 | 2813 | &io_info, local_map_ptr); |
9c915a8c | 2814 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; |
d2552ebe | 2815 | cmd->pd_r1_lb = io_info.pd_after_lb; |
630d42b7 | 2816 | if (instance->adapter_type >= VENTURA_SERIES) |
9e77018e | 2817 | rctx_g35->span_arm = io_info.span_arm; |
d889344e | 2818 | else |
9e77018e | 2819 | rctx->span_arm = io_info.span_arm; |
d889344e | 2820 | |
9c915a8c AR |
2821 | } else |
2822 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
5765c5b8 | 2823 | |
630d42b7 | 2824 | if (instance->adapter_type >= VENTURA_SERIES) |
69c337c0 | 2825 | cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle; |
8bf7c65d S |
2826 | else |
2827 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; | |
69c337c0 | 2828 | |
5765c5b8 | 2829 | if ((raidLUN[0] == 1) && |
75b96061 | 2830 | (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) { |
5765c5b8 SS |
2831 | instance->dev_handle = !(instance->dev_handle); |
2832 | io_info.devHandle = | |
2833 | local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; | |
2834 | } | |
2835 | ||
9c915a8c AR |
2836 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; |
2837 | io_request->DevHandle = io_info.devHandle; | |
33203bc4 | 2838 | cmd->pd_interface = io_info.pd_interface; |
21c9e160 AR |
2839 | /* populate the LUN field */ |
2840 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c | 2841 | } else { |
9e77018e | 2842 | rctx->timeout_value = |
94cd65dd | 2843 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c AR |
2844 | cmd->request_desc->SCSIIO.RequestFlags = |
2845 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
2846 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
c365178f | 2847 | if (instance->adapter_type == INVADER_SERIES) { |
8f05024c | 2848 | if (io_info.do_fp_rlbypass || |
9e77018e | 2849 | (rctx->reg_lock_flags == REGION_TYPE_UNUSED)) |
36807e67 AR |
2850 | cmd->request_desc->SCSIIO.RequestFlags = |
2851 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
2852 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
9e77018e S |
2853 | rctx->type = MPI2_TYPE_CUDA; |
2854 | rctx->reg_lock_flags |= | |
36807e67 | 2855 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | |
9e77018e S |
2856 | MR_RL_FLAGS_SEQ_NUM_ENABLE); |
2857 | rctx->nseg = 0x1; | |
630d42b7 | 2858 | } else if (instance->adapter_type >= VENTURA_SERIES) { |
9e77018e S |
2859 | rctx_g35->routing_flags |= (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); |
2860 | rctx_g35->nseg_type |= (1 << RAID_CONTEXT_NSEG_SHIFT); | |
2861 | rctx_g35->nseg_type |= (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
36807e67 AR |
2862 | } |
2863 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 2864 | io_request->DevHandle = cpu_to_le16(device_id); |
d889344e | 2865 | |
9c915a8c AR |
2866 | } /* Not FP */ |
2867 | } | |
2868 | ||
2869 | /** | |
4a5c814d | 2870 | * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk |
9c915a8c AR |
2871 | * @instance: Adapter soft state |
2872 | * @scp: SCSI command | |
2873 | * @cmd: Command to be prepared | |
2874 | * | |
4a5c814d | 2875 | * Prepares the io_request frame for non-rw io cmds for vd. |
9c915a8c | 2876 | */ |
4a5c814d SS |
2877 | static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, |
2878 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd) | |
9c915a8c AR |
2879 | { |
2880 | u32 device_id; | |
2881 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
25fb13dd | 2882 | u16 ld; |
51087a86 | 2883 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 2884 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 | 2885 | u8 span, physArm; |
9ab9ed38 | 2886 | __le16 devHandle; |
d2d0358b | 2887 | u32 arRef, pd; |
21c9e160 AR |
2888 | struct MR_LD_RAID *raid; |
2889 | struct RAID_CONTEXT *pRAID_Context; | |
4a5c814d | 2890 | u8 fp_possible = 1; |
9c915a8c AR |
2891 | |
2892 | io_request = cmd->io_request; | |
4a5c814d | 2893 | device_id = MEGASAS_DEV_INDEX(scmd); |
51087a86 | 2894 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
94cd65dd | 2895 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
4a5c814d | 2896 | /* get RAID_Context pointer */ |
fdd84e25 | 2897 | pRAID_Context = &io_request->RaidContext.raid_context; |
4a5c814d | 2898 | /* Check with FW team */ |
d889344e SC |
2899 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
2900 | pRAID_Context->reg_lock_row_lba = 0; | |
2901 | pRAID_Context->reg_lock_length = 0; | |
21c9e160 | 2902 | |
4a5c814d SS |
2903 | if (fusion->fast_path_io && ( |
2904 | device_id < instance->fw_supported_vd_count)) { | |
ab2f0608 | 2905 | |
21c9e160 | 2906 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
c7a082e4 | 2907 | if (ld >= instance->fw_supported_vd_count - 1) |
4a5c814d | 2908 | fp_possible = 0; |
d2d0358b S |
2909 | else { |
2910 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2911 | if (!(raid->capability.fpNonRWCapable)) | |
2912 | fp_possible = 0; | |
2913 | } | |
4a5c814d SS |
2914 | } else |
2915 | fp_possible = 0; | |
21c9e160 | 2916 | |
4a5c814d SS |
2917 | if (!fp_possible) { |
2918 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
2919 | io_request->DevHandle = cpu_to_le16(device_id); | |
2920 | io_request->LUN[1] = scmd->device->lun; | |
d889344e | 2921 | pRAID_Context->timeout_value = |
4a5c814d SS |
2922 | cpu_to_le16 (scmd->request->timeout / HZ); |
2923 | cmd->request_desc->SCSIIO.RequestFlags = | |
2924 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2925 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2926 | } else { | |
21c9e160 AR |
2927 | |
2928 | /* set RAID context values */ | |
d889344e | 2929 | pRAID_Context->config_seq_num = raid->seqNum; |
630d42b7 | 2930 | if (instance->adapter_type < VENTURA_SERIES) |
d889344e SC |
2931 | pRAID_Context->reg_lock_flags = REGION_TYPE_SHARED_READ; |
2932 | pRAID_Context->timeout_value = | |
2933 | cpu_to_le16(raid->fpIoTimeoutForLd); | |
21c9e160 AR |
2934 | |
2935 | /* get the DevHandle for the PD (since this is | |
2936 | fpNonRWCapable, this is a single disk RAID0) */ | |
2937 | span = physArm = 0; | |
2938 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
2939 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
2940 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
2941 | ||
2942 | /* build request descriptor */ | |
2943 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2944 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 2945 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
21c9e160 AR |
2946 | cmd->request_desc->SCSIIO.DevHandle = devHandle; |
2947 | ||
2948 | /* populate the LUN field */ | |
2949 | memcpy(io_request->LUN, raid->LUN, 8); | |
2950 | ||
2951 | /* build the raidScsiIO structure */ | |
2952 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
2953 | io_request->DevHandle = devHandle; | |
4a5c814d SS |
2954 | } |
2955 | } | |
21c9e160 | 2956 | |
4a5c814d SS |
2957 | /** |
2958 | * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd | |
2959 | * @instance: Adapter soft state | |
2960 | * @scp: SCSI command | |
2961 | * @cmd: Command to be prepared | |
2962 | * @fp_possible: parameter to detect fast path or firmware path io. | |
2963 | * | |
2964 | * Prepares the io_request frame for rw/non-rw io cmds for syspds | |
2965 | */ | |
2966 | static void | |
2967 | megasas_build_syspd_fusion(struct megasas_instance *instance, | |
1d6dbd17 S |
2968 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, |
2969 | bool fp_possible) | |
4a5c814d SS |
2970 | { |
2971 | u32 device_id; | |
2972 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
2973 | u16 pd_index = 0; | |
2974 | u16 os_timeout_value; | |
2975 | u16 timeout_limit; | |
2976 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
2977 | struct RAID_CONTEXT *pRAID_Context; | |
3761cb4c | 2978 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; |
33203bc4 | 2979 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
4a5c814d | 2980 | struct fusion_context *fusion = instance->ctrl_context; |
3761cb4c | 2981 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1]; |
4a5c814d SS |
2982 | |
2983 | device_id = MEGASAS_DEV_INDEX(scmd); | |
2984 | pd_index = MEGASAS_PD_INDEX(scmd); | |
2985 | os_timeout_value = scmd->request->timeout / HZ; | |
33203bc4 S |
2986 | mr_device_priv_data = scmd->device->hostdata; |
2987 | cmd->pd_interface = mr_device_priv_data->interface_type; | |
21c9e160 | 2988 | |
4a5c814d SS |
2989 | io_request = cmd->io_request; |
2990 | /* get RAID_Context pointer */ | |
fdd84e25 | 2991 | pRAID_Context = &io_request->RaidContext.raid_context; |
d889344e SC |
2992 | pRAID_Context->reg_lock_flags = 0; |
2993 | pRAID_Context->reg_lock_row_lba = 0; | |
2994 | pRAID_Context->reg_lock_length = 0; | |
4a5c814d SS |
2995 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
2996 | io_request->LUN[1] = scmd->device->lun; | |
d889344e | 2997 | pRAID_Context->raid_flags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD |
4a5c814d SS |
2998 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; |
2999 | ||
3761cb4c | 3000 | /* If FW supports PD sequence number */ |
3001 | if (instance->use_seqnum_jbod_fp && | |
3002 | instance->pd_list[pd_index].driveType == TYPE_DISK) { | |
3003 | /* TgtId must be incremented by 255 as jbod seq number is index | |
3004 | * below raid map | |
3005 | */ | |
ede7c3ce SC |
3006 | /* More than 256 PD/JBOD support for Ventura */ |
3007 | if (instance->support_morethan256jbod) | |
3008 | pRAID_Context->virtual_disk_tgt_id = | |
3009 | pd_sync->seq[pd_index].pd_target_id; | |
3010 | else | |
a174118b S |
3011 | pRAID_Context->virtual_disk_tgt_id = |
3012 | cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1)); | |
d889344e | 3013 | pRAID_Context->config_seq_num = pd_sync->seq[pd_index].seqNum; |
3761cb4c | 3014 | io_request->DevHandle = pd_sync->seq[pd_index].devHandle; |
630d42b7 | 3015 | if (instance->adapter_type >= VENTURA_SERIES) { |
a174118b S |
3016 | io_request->RaidContext.raid_context_g35.routing_flags |= |
3017 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); | |
3018 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
3019 | (1 << RAID_CONTEXT_NSEG_SHIFT); | |
3020 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
3021 | (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
3022 | } else { | |
3023 | pRAID_Context->type = MPI2_TYPE_CUDA; | |
3024 | pRAID_Context->nseg = 0x1; | |
3025 | pRAID_Context->reg_lock_flags |= | |
3026 | (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA); | |
3027 | } | |
3761cb4c | 3028 | } else if (fusion->fast_path_io) { |
d889344e SC |
3029 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
3030 | pRAID_Context->config_seq_num = 0; | |
3761cb4c | 3031 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
3032 | io_request->DevHandle = | |
3033 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; | |
3034 | } else { | |
3035 | /* Want to send all IO via FW path */ | |
d889344e SC |
3036 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
3037 | pRAID_Context->config_seq_num = 0; | |
9fb74c4e | 3038 | io_request->DevHandle = cpu_to_le16(0xFFFF); |
3761cb4c | 3039 | } |
4a5c814d SS |
3040 | |
3041 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
4a5c814d | 3042 | |
adbe5523 ML |
3043 | cmd->request_desc->SCSIIO.MSIxIndex = |
3044 | instance->reply_map[raw_smp_processor_id()]; | |
4a5c814d SS |
3045 | |
3046 | if (!fp_possible) { | |
3047 | /* system pd firmware path */ | |
9c915a8c | 3048 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
9c915a8c AR |
3049 | cmd->request_desc->SCSIIO.RequestFlags = |
3050 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
4a5c814d | 3051 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
d889344e SC |
3052 | pRAID_Context->timeout_value = cpu_to_le16(os_timeout_value); |
3053 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); | |
4a5c814d | 3054 | } else { |
3239b8cd S |
3055 | if (os_timeout_value) |
3056 | os_timeout_value++; | |
3057 | ||
4a5c814d SS |
3058 | /* system pd Fast Path */ |
3059 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4a5c814d SS |
3060 | timeout_limit = (scmd->device->type == TYPE_DISK) ? |
3061 | 255 : 0xFFFF; | |
d889344e | 3062 | pRAID_Context->timeout_value = |
4a5c814d SS |
3063 | cpu_to_le16((os_timeout_value > timeout_limit) ? |
3064 | timeout_limit : os_timeout_value); | |
c365178f | 3065 | if (instance->adapter_type >= INVADER_SERIES) |
4a5c814d SS |
3066 | io_request->IoFlags |= |
3067 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
d5573584 | 3068 | |
4a5c814d | 3069 | cmd->request_desc->SCSIIO.RequestFlags = |
2c048351 | 3070 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 3071 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 3072 | } |
9c915a8c AR |
3073 | } |
3074 | ||
3075 | /** | |
3076 | * megasas_build_io_fusion - Prepares IOs to devices | |
3077 | * @instance: Adapter soft state | |
3078 | * @scp: SCSI command | |
3079 | * @cmd: Command to be prepared | |
3080 | * | |
3081 | * Invokes helper functions to prepare request frames | |
3082 | * and sets flags appropriate for IO/Non-IO cmd | |
3083 | */ | |
3084 | int | |
3085 | megasas_build_io_fusion(struct megasas_instance *instance, | |
3086 | struct scsi_cmnd *scp, | |
3087 | struct megasas_cmd_fusion *cmd) | |
3088 | { | |
33203bc4 | 3089 | int sge_count; |
4a5c814d | 3090 | u8 cmd_type; |
9c915a8c | 3091 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; |
1d6dbd17 S |
3092 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
3093 | mr_device_priv_data = scp->device->hostdata; | |
9c915a8c | 3094 | |
9c915a8c | 3095 | /* Zero out some fields so they don't get reused */ |
9cb78c16 | 3096 | memset(io_request->LUN, 0x0, 8); |
9c915a8c AR |
3097 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
3098 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
3099 | io_request->EEDPFlags = 0; | |
3100 | io_request->Control = 0; | |
3101 | io_request->EEDPBlockSize = 0; | |
36807e67 | 3102 | io_request->ChainOffset = 0; |
d889344e SC |
3103 | io_request->RaidContext.raid_context.raid_flags = 0; |
3104 | io_request->RaidContext.raid_context.type = 0; | |
fdd84e25 | 3105 | io_request->RaidContext.raid_context.nseg = 0; |
9c915a8c AR |
3106 | |
3107 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
3108 | /* | |
3109 | * Just the CDB length,rest of the Flags are zero | |
3110 | * This will be modified for FP in build_ldio_fusion | |
3111 | */ | |
94cd65dd | 3112 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 3113 | |
4a5c814d SS |
3114 | switch (cmd_type = megasas_cmd_type(scp)) { |
3115 | case READ_WRITE_LDIO: | |
9c915a8c | 3116 | megasas_build_ldio_fusion(instance, scp, cmd); |
4a5c814d SS |
3117 | break; |
3118 | case NON_READ_WRITE_LDIO: | |
3119 | megasas_build_ld_nonrw_fusion(instance, scp, cmd); | |
3120 | break; | |
3121 | case READ_WRITE_SYSPDIO: | |
1d6dbd17 S |
3122 | megasas_build_syspd_fusion(instance, scp, cmd, true); |
3123 | break; | |
4a5c814d | 3124 | case NON_READ_WRITE_SYSPDIO: |
1d6dbd17 S |
3125 | if (instance->secure_jbod_support || |
3126 | mr_device_priv_data->is_tm_capable) | |
3127 | megasas_build_syspd_fusion(instance, scp, cmd, false); | |
4a5c814d | 3128 | else |
1d6dbd17 | 3129 | megasas_build_syspd_fusion(instance, scp, cmd, true); |
4a5c814d SS |
3130 | break; |
3131 | default: | |
3132 | break; | |
3133 | } | |
9c915a8c AR |
3134 | |
3135 | /* | |
3136 | * Construct SGL | |
3137 | */ | |
3138 | ||
33203bc4 | 3139 | sge_count = megasas_make_sgl(instance, scp, cmd); |
9c915a8c | 3140 | |
33203bc4 S |
3141 | if (sge_count > instance->max_num_sge || (sge_count < 0)) { |
3142 | dev_err(&instance->pdev->dev, | |
3143 | "%s %d sge_count (%d) is out of range. Range is: 0-%d\n", | |
3144 | __func__, __LINE__, sge_count, instance->max_num_sge); | |
9c915a8c AR |
3145 | return 1; |
3146 | } | |
3147 | ||
630d42b7 | 3148 | if (instance->adapter_type >= VENTURA_SERIES) { |
a174118b S |
3149 | set_num_sge(&io_request->RaidContext.raid_context_g35, sge_count); |
3150 | cpu_to_le16s(&io_request->RaidContext.raid_context_g35.routing_flags); | |
3151 | cpu_to_le16s(&io_request->RaidContext.raid_context_g35.nseg_type); | |
3152 | } else { | |
d889344e SC |
3153 | /* numSGE store lower 8 bit of sge_count. |
3154 | * numSGEExt store higher 8 bit of sge_count | |
3155 | */ | |
3156 | io_request->RaidContext.raid_context.num_sge = sge_count; | |
3157 | io_request->RaidContext.raid_context.num_sge_ext = | |
3158 | (u8)(sge_count >> 8); | |
3159 | } | |
9c915a8c | 3160 | |
94cd65dd | 3161 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c | 3162 | |
60ee6529 | 3163 | if (scp->sc_data_direction == DMA_TO_DEVICE) |
94cd65dd | 3164 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
60ee6529 | 3165 | else if (scp->sc_data_direction == DMA_FROM_DEVICE) |
94cd65dd | 3166 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c AR |
3167 | |
3168 | io_request->SGLOffset0 = | |
3169 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
3170 | ||
107a60dd S |
3171 | io_request->SenseBufferLowAddress = |
3172 | cpu_to_le32(lower_32_bits(cmd->sense_phys_addr)); | |
9c915a8c AR |
3173 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
3174 | ||
3175 | cmd->scmd = scp; | |
3176 | scp->SCp.ptr = (char *)cmd; | |
3177 | ||
3178 | return 0; | |
3179 | } | |
3180 | ||
52205ac8 | 3181 | static union MEGASAS_REQUEST_DESCRIPTOR_UNION * |
9c915a8c AR |
3182 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) |
3183 | { | |
3184 | u8 *p; | |
3185 | struct fusion_context *fusion; | |
3186 | ||
9c915a8c | 3187 | fusion = instance->ctrl_context; |
69c337c0 SC |
3188 | p = fusion->req_frames_desc + |
3189 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) * index; | |
9c915a8c AR |
3190 | |
3191 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
3192 | } | |
3193 | ||
69c337c0 SC |
3194 | |
3195 | /* megasas_prepate_secondRaid1_IO | |
3196 | * It prepares the raid 1 second IO | |
3197 | */ | |
3198 | void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance, | |
3199 | struct megasas_cmd_fusion *cmd, | |
3200 | struct megasas_cmd_fusion *r1_cmd) | |
3201 | { | |
3202 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL; | |
3203 | struct fusion_context *fusion; | |
69c337c0 SC |
3204 | fusion = instance->ctrl_context; |
3205 | req_desc = cmd->request_desc; | |
8bf7c65d S |
3206 | /* copy the io request frame as well as 8 SGEs data for r1 command*/ |
3207 | memcpy(r1_cmd->io_request, cmd->io_request, | |
3208 | (sizeof(struct MPI2_RAID_SCSI_IO_REQUEST))); | |
3209 | memcpy(&r1_cmd->io_request->SGL, &cmd->io_request->SGL, | |
3210 | (fusion->max_sge_in_main_msg * sizeof(union MPI2_SGE_IO_UNION))); | |
3211 | /*sense buffer is different for r1 command*/ | |
3212 | r1_cmd->io_request->SenseBufferLowAddress = | |
107a60dd | 3213 | cpu_to_le32(lower_32_bits(r1_cmd->sense_phys_addr)); |
8bf7c65d S |
3214 | r1_cmd->scmd = cmd->scmd; |
3215 | req_desc2 = megasas_get_request_descriptor(instance, | |
3216 | (r1_cmd->index - 1)); | |
3217 | req_desc2->Words = 0; | |
3218 | r1_cmd->request_desc = req_desc2; | |
3219 | req_desc2->SCSIIO.SMID = cpu_to_le16(r1_cmd->index); | |
3220 | req_desc2->SCSIIO.RequestFlags = req_desc->SCSIIO.RequestFlags; | |
3221 | r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle; | |
3222 | r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle; | |
3223 | r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle; | |
3224 | cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid = | |
3225 | cpu_to_le16(r1_cmd->index); | |
3226 | r1_cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid = | |
3227 | cpu_to_le16(cmd->index); | |
3228 | /*MSIxIndex of both commands request descriptors should be same*/ | |
3229 | r1_cmd->request_desc->SCSIIO.MSIxIndex = | |
3230 | cmd->request_desc->SCSIIO.MSIxIndex; | |
3231 | /*span arm is different for r1 cmd*/ | |
3232 | r1_cmd->io_request->RaidContext.raid_context_g35.span_arm = | |
69c337c0 | 3233 | cmd->io_request->RaidContext.raid_context_g35.span_arm + 1; |
69c337c0 SC |
3234 | } |
3235 | ||
9c915a8c AR |
3236 | /** |
3237 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
3238 | * issuing non IOCTL cmd | |
3239 | * @instance: Adapter soft state | |
3240 | * @scmd: pointer to scsi cmd from OS | |
3241 | */ | |
3242 | static u32 | |
3243 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
3244 | struct scsi_cmnd *scmd) | |
3245 | { | |
69c337c0 | 3246 | struct megasas_cmd_fusion *cmd, *r1_cmd = NULL; |
9c915a8c AR |
3247 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; |
3248 | u32 index; | |
3249 | struct fusion_context *fusion; | |
3250 | ||
3251 | fusion = instance->ctrl_context; | |
3252 | ||
308ec459 SS |
3253 | if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) && |
3254 | instance->ldio_threshold && | |
3255 | (atomic_inc_return(&instance->ldio_outstanding) > | |
3256 | instance->ldio_threshold)) { | |
3257 | atomic_dec(&instance->ldio_outstanding); | |
3258 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
3259 | } | |
3260 | ||
69c337c0 SC |
3261 | if (atomic_inc_return(&instance->fw_outstanding) > |
3262 | instance->host->can_queue) { | |
69c337c0 SC |
3263 | atomic_dec(&instance->fw_outstanding); |
3264 | return SCSI_MLQUEUE_HOST_BUSY; | |
3265 | } | |
3266 | ||
4026e9aa | 3267 | cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); |
9c915a8c | 3268 | |
69c337c0 SC |
3269 | if (!cmd) { |
3270 | atomic_dec(&instance->fw_outstanding); | |
3271 | return SCSI_MLQUEUE_HOST_BUSY; | |
3272 | } | |
3273 | ||
9c915a8c AR |
3274 | index = cmd->index; |
3275 | ||
3276 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
9c915a8c AR |
3277 | |
3278 | req_desc->Words = 0; | |
3279 | cmd->request_desc = req_desc; | |
9c915a8c AR |
3280 | |
3281 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
3282 | megasas_return_cmd_fusion(instance, cmd); | |
1be18254 | 3283 | dev_err(&instance->pdev->dev, "Error building command\n"); |
9c915a8c | 3284 | cmd->request_desc = NULL; |
69c337c0 | 3285 | atomic_dec(&instance->fw_outstanding); |
f9a9dee6 | 3286 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c AR |
3287 | } |
3288 | ||
3289 | req_desc = cmd->request_desc; | |
94cd65dd | 3290 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
3291 | |
3292 | if (cmd->io_request->ChainOffset != 0 && | |
3293 | cmd->io_request->ChainOffset != 0xF) | |
1be18254 | 3294 | dev_err(&instance->pdev->dev, "The chain offset value is not " |
9c915a8c | 3295 | "correct : %x\n", cmd->io_request->ChainOffset); |
69c337c0 SC |
3296 | /* |
3297 | * if it is raid 1/10 fp write capable. | |
3298 | * try to get second command from pool and construct it. | |
3299 | * From FW, it has confirmed that lba values of two PDs | |
3300 | * corresponds to single R1/10 LD are always same | |
3301 | * | |
3302 | */ | |
3303 | /* driver side count always should be less than max_fw_cmds | |
3304 | * to get new command | |
3305 | */ | |
8bf7c65d | 3306 | if (cmd->r1_alt_dev_handle != MR_DEVHANDLE_INVALID) { |
69c337c0 SC |
3307 | r1_cmd = megasas_get_cmd_fusion(instance, |
3308 | (scmd->request->tag + instance->max_fw_cmds)); | |
3309 | megasas_prepare_secondRaid1_IO(instance, cmd, r1_cmd); | |
3310 | } | |
3311 | ||
18bbcabd | 3312 | |
9c915a8c AR |
3313 | /* |
3314 | * Issue the command to the FW | |
3315 | */ | |
9c915a8c | 3316 | |
45b8a35e | 3317 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c | 3318 | |
18bbcabd | 3319 | if (r1_cmd) |
45b8a35e | 3320 | megasas_fire_cmd_fusion(instance, r1_cmd->request_desc); |
18bbcabd | 3321 | |
69c337c0 | 3322 | |
9c915a8c AR |
3323 | return 0; |
3324 | } | |
3325 | ||
8bf7c65d S |
3326 | /** |
3327 | * megasas_complete_r1_command - | |
3328 | * completes R1 FP write commands which has valid peer smid | |
3329 | * @instance: Adapter soft state | |
3330 | * @cmd_fusion: MPT command frame | |
3331 | * | |
3332 | */ | |
3333 | static inline void | |
3334 | megasas_complete_r1_command(struct megasas_instance *instance, | |
3335 | struct megasas_cmd_fusion *cmd) | |
3336 | { | |
3337 | u8 *sense, status, ex_status; | |
3338 | u32 data_length; | |
3339 | u16 peer_smid; | |
3340 | struct fusion_context *fusion; | |
3341 | struct megasas_cmd_fusion *r1_cmd = NULL; | |
3342 | struct scsi_cmnd *scmd_local = NULL; | |
3343 | struct RAID_CONTEXT_G35 *rctx_g35; | |
3344 | ||
3345 | rctx_g35 = &cmd->io_request->RaidContext.raid_context_g35; | |
3346 | fusion = instance->ctrl_context; | |
3347 | peer_smid = le16_to_cpu(rctx_g35->smid.peer_smid); | |
3348 | ||
3349 | r1_cmd = fusion->cmd_list[peer_smid - 1]; | |
3350 | scmd_local = cmd->scmd; | |
3351 | status = rctx_g35->status; | |
3352 | ex_status = rctx_g35->ex_status; | |
3353 | data_length = cmd->io_request->DataLength; | |
3354 | sense = cmd->sense; | |
3355 | ||
3356 | cmd->cmd_completed = true; | |
3357 | ||
3358 | /* Check if peer command is completed or not*/ | |
3359 | if (r1_cmd->cmd_completed) { | |
3360 | rctx_g35 = &r1_cmd->io_request->RaidContext.raid_context_g35; | |
3361 | if (rctx_g35->status != MFI_STAT_OK) { | |
3362 | status = rctx_g35->status; | |
3363 | ex_status = rctx_g35->ex_status; | |
3364 | data_length = r1_cmd->io_request->DataLength; | |
3365 | sense = r1_cmd->sense; | |
3366 | } | |
3367 | ||
3368 | megasas_return_cmd_fusion(instance, r1_cmd); | |
3369 | map_cmd_status(fusion, scmd_local, status, ex_status, | |
3370 | le32_to_cpu(data_length), sense); | |
3371 | if (instance->ldio_threshold && | |
3372 | megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) | |
3373 | atomic_dec(&instance->ldio_outstanding); | |
3374 | scmd_local->SCp.ptr = NULL; | |
3375 | megasas_return_cmd_fusion(instance, cmd); | |
3376 | scsi_dma_unmap(scmd_local); | |
3377 | scmd_local->scsi_done(scmd_local); | |
3378 | } | |
3379 | } | |
3380 | ||
9c915a8c AR |
3381 | /** |
3382 | * complete_cmd_fusion - Completes command | |
3383 | * @instance: Adapter soft state | |
3384 | * Completes all commands that is in reply descriptor queue | |
3385 | */ | |
3386 | int | |
c8e858fe | 3387 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c AR |
3388 | { |
3389 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
3390 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
3391 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
3392 | struct fusion_context *fusion; | |
3393 | struct megasas_cmd *cmd_mfi; | |
8bf7c65d | 3394 | struct megasas_cmd_fusion *cmd_fusion; |
9c915a8c | 3395 | u16 smid, num_completed; |
8bf7c65d S |
3396 | u8 reply_descript_type, *sense, status, extStatus; |
3397 | u32 device_id, data_length; | |
9c915a8c AR |
3398 | union desc_value d_val; |
3399 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 3400 | int threshold_reply_count = 0; |
4026e9aa | 3401 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 SS |
3402 | struct MR_TASK_MANAGE_REQUEST *mr_tm_req; |
3403 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_tm_req; | |
9c915a8c AR |
3404 | |
3405 | fusion = instance->ctrl_context; | |
3406 | ||
8a01a41d | 3407 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
9c915a8c AR |
3408 | return IRQ_HANDLED; |
3409 | ||
179ac142 SS |
3410 | desc = fusion->reply_frames_desc[MSIxIndex] + |
3411 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c AR |
3412 | |
3413 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
3414 | ||
3415 | d_val.word = desc->Words; | |
3416 | ||
3417 | reply_descript_type = reply_desc->ReplyFlags & | |
3418 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
3419 | ||
3420 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
3421 | return IRQ_NONE; | |
3422 | ||
9c915a8c AR |
3423 | num_completed = 0; |
3424 | ||
c6f5bf81 CH |
3425 | while (d_val.u.low != cpu_to_le32(UINT_MAX) && |
3426 | d_val.u.high != cpu_to_le32(UINT_MAX)) { | |
69c337c0 | 3427 | |
94cd65dd | 3428 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c | 3429 | cmd_fusion = fusion->cmd_list[smid - 1]; |
8bf7c65d S |
3430 | scsi_io_req = (struct MPI2_RAID_SCSI_IO_REQUEST *) |
3431 | cmd_fusion->io_request; | |
9c915a8c | 3432 | |
4026e9aa | 3433 | scmd_local = cmd_fusion->scmd; |
fdd84e25 | 3434 | status = scsi_io_req->RaidContext.raid_context.status; |
d889344e | 3435 | extStatus = scsi_io_req->RaidContext.raid_context.ex_status; |
69c337c0 SC |
3436 | sense = cmd_fusion->sense; |
3437 | data_length = scsi_io_req->DataLength; | |
9c915a8c AR |
3438 | |
3439 | switch (scsi_io_req->Function) { | |
18365b13 SS |
3440 | case MPI2_FUNCTION_SCSI_TASK_MGMT: |
3441 | mr_tm_req = (struct MR_TASK_MANAGE_REQUEST *) | |
3442 | cmd_fusion->io_request; | |
3443 | mpi_tm_req = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) | |
3444 | &mr_tm_req->TmRequest; | |
3445 | dev_dbg(&instance->pdev->dev, "TM completion:" | |
3446 | "type: 0x%x TaskMID: 0x%x\n", | |
3447 | mpi_tm_req->TaskType, mpi_tm_req->TaskMID); | |
3448 | complete(&cmd_fusion->done); | |
3449 | break; | |
9c915a8c AR |
3450 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ |
3451 | /* Update load balancing info */ | |
8bf7c65d S |
3452 | if (fusion->load_balance_info && |
3453 | (cmd_fusion->scmd->SCp.Status & | |
3454 | MEGASAS_LOAD_BALANCE_FLAG)) { | |
3455 | device_id = MEGASAS_DEV_INDEX(scmd_local); | |
3456 | lbinfo = &fusion->load_balance_info[device_id]; | |
d2552ebe | 3457 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
8bf7c65d | 3458 | cmd_fusion->scmd->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; |
9c915a8c | 3459 | } |
74e716f2 | 3460 | /* Fall through - and complete IO */ |
9c915a8c | 3461 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ |
8bf7c65d S |
3462 | atomic_dec(&instance->fw_outstanding); |
3463 | if (cmd_fusion->r1_alt_dev_handle == MR_DEVHANDLE_INVALID) { | |
69c337c0 | 3464 | map_cmd_status(fusion, scmd_local, status, |
8bf7c65d S |
3465 | extStatus, le32_to_cpu(data_length), |
3466 | sense); | |
3467 | if (instance->ldio_threshold && | |
3468 | (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO)) | |
b71b49c2 | 3469 | atomic_dec(&instance->ldio_outstanding); |
8bf7c65d | 3470 | scmd_local->SCp.ptr = NULL; |
69c337c0 SC |
3471 | megasas_return_cmd_fusion(instance, cmd_fusion); |
3472 | scsi_dma_unmap(scmd_local); | |
3473 | scmd_local->scsi_done(scmd_local); | |
8bf7c65d S |
3474 | } else /* Optimal VD - R1 FP command completion. */ |
3475 | megasas_complete_r1_command(instance, cmd_fusion); | |
9c915a8c AR |
3476 | break; |
3477 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
3478 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
4026e9aa SS |
3479 | /* Poll mode. Dummy free. |
3480 | * In case of Interrupt mode, caller has reverse check. | |
3481 | */ | |
3482 | if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { | |
3483 | cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; | |
3484 | megasas_return_cmd(instance, cmd_mfi); | |
3485 | } else | |
3486 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
9c915a8c AR |
3487 | break; |
3488 | } | |
3489 | ||
c8e858fe AR |
3490 | fusion->last_reply_idx[MSIxIndex]++; |
3491 | if (fusion->last_reply_idx[MSIxIndex] >= | |
3492 | fusion->reply_q_depth) | |
3493 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c | 3494 | |
c6f5bf81 | 3495 | desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 3496 | num_completed++; |
db4fc864 | 3497 | threshold_reply_count++; |
9c915a8c AR |
3498 | |
3499 | /* Get the next reply descriptor */ | |
c8e858fe | 3500 | if (!fusion->last_reply_idx[MSIxIndex]) |
179ac142 | 3501 | desc = fusion->reply_frames_desc[MSIxIndex]; |
9c915a8c AR |
3502 | else |
3503 | desc++; | |
3504 | ||
3505 | reply_desc = | |
3506 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
3507 | ||
3508 | d_val.word = desc->Words; | |
3509 | ||
3510 | reply_descript_type = reply_desc->ReplyFlags & | |
3511 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
3512 | ||
3513 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
3514 | break; | |
db4fc864 SS |
3515 | /* |
3516 | * Write to reply post host index register after completing threshold | |
3517 | * number of reply counts and still there are more replies in reply queue | |
3518 | * pending to be completed | |
3519 | */ | |
3520 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
2493c67e | 3521 | if (instance->msix_combined) |
db4fc864 SS |
3522 | writel(((MSIxIndex & 0x7) << 24) | |
3523 | fusion->last_reply_idx[MSIxIndex], | |
3524 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
3525 | else | |
3526 | writel((MSIxIndex << 24) | | |
3527 | fusion->last_reply_idx[MSIxIndex], | |
3528 | instance->reply_post_host_index_addr[0]); | |
3529 | threshold_reply_count = 0; | |
3530 | } | |
9c915a8c AR |
3531 | } |
3532 | ||
3533 | if (!num_completed) | |
3534 | return IRQ_NONE; | |
3535 | ||
3536 | wmb(); | |
2493c67e | 3537 | if (instance->msix_combined) |
d46a3ad6 SS |
3538 | writel(((MSIxIndex & 0x7) << 24) | |
3539 | fusion->last_reply_idx[MSIxIndex], | |
3540 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
3541 | else | |
3542 | writel((MSIxIndex << 24) | | |
3543 | fusion->last_reply_idx[MSIxIndex], | |
3544 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 3545 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c AR |
3546 | return IRQ_HANDLED; |
3547 | } | |
3548 | ||
29206da1 S |
3549 | /** |
3550 | * megasas_sync_irqs - Synchronizes all IRQs owned by adapter | |
3551 | * @instance: Adapter soft state | |
3552 | */ | |
3553 | void megasas_sync_irqs(unsigned long instance_addr) | |
3554 | { | |
3555 | u32 count, i; | |
3556 | struct megasas_instance *instance = | |
3557 | (struct megasas_instance *)instance_addr; | |
3558 | ||
3559 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
3560 | ||
3561 | for (i = 0; i < count; i++) | |
3562 | synchronize_irq(pci_irq_vector(instance->pdev, i)); | |
3563 | } | |
3564 | ||
9c915a8c AR |
3565 | /** |
3566 | * megasas_complete_cmd_dpc_fusion - Completes command | |
3567 | * @instance: Adapter soft state | |
3568 | * | |
3569 | * Tasklet to complete cmds | |
3570 | */ | |
3571 | void | |
3572 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
3573 | { | |
3574 | struct megasas_instance *instance = | |
3575 | (struct megasas_instance *)instance_addr; | |
c8e858fe AR |
3576 | u32 count, MSIxIndex; |
3577 | ||
3578 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c AR |
3579 | |
3580 | /* If we have already declared adapter dead, donot complete cmds */ | |
34bd9f27 | 3581 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
9c915a8c | 3582 | return; |
9c915a8c | 3583 | |
c8e858fe AR |
3584 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
3585 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c AR |
3586 | } |
3587 | ||
3588 | /** | |
3589 | * megasas_isr_fusion - isr entry point | |
3590 | */ | |
3591 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
3592 | { | |
c8e858fe AR |
3593 | struct megasas_irq_context *irq_context = devp; |
3594 | struct megasas_instance *instance = irq_context->instance; | |
3f6194af | 3595 | u32 mfiStatus; |
9c915a8c | 3596 | |
d46a3ad6 SS |
3597 | if (instance->mask_interrupts) |
3598 | return IRQ_NONE; | |
3599 | ||
c8e858fe | 3600 | if (!instance->msix_vectors) { |
de516379 | 3601 | mfiStatus = instance->instancet->clear_intr(instance); |
9c915a8c AR |
3602 | if (!mfiStatus) |
3603 | return IRQ_NONE; | |
3604 | } | |
3605 | ||
3606 | /* If we are resetting, bail */ | |
6497b247 | 3607 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
de516379 | 3608 | instance->instancet->clear_intr(instance); |
9c915a8c | 3609 | return IRQ_HANDLED; |
6497b247 | 3610 | } |
9c915a8c | 3611 | |
3f6194af | 3612 | return complete_cmd_fusion(instance, irq_context->MSIxIndex); |
9c915a8c AR |
3613 | } |
3614 | ||
3615 | /** | |
3616 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
3617 | * @instance: Adapter soft state | |
3618 | * mfi_cmd: megasas_cmd pointer | |
3619 | * | |
3620 | */ | |
7a7ae4f1 | 3621 | void |
9c915a8c AR |
3622 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, |
3623 | struct megasas_cmd *mfi_cmd) | |
3624 | { | |
3625 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
3626 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
3627 | struct megasas_cmd_fusion *cmd; | |
3628 | struct fusion_context *fusion; | |
3629 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
3630 | ||
4026e9aa SS |
3631 | fusion = instance->ctrl_context; |
3632 | ||
3633 | cmd = megasas_get_cmd_fusion(instance, | |
3634 | instance->max_scsi_cmds + mfi_cmd->index); | |
9c915a8c AR |
3635 | |
3636 | /* Save the smid. To be used for returning the cmd */ | |
3637 | mfi_cmd->context.smid = cmd->index; | |
90dc9d98 | 3638 | |
9c915a8c AR |
3639 | /* |
3640 | * For cmds where the flag is set, store the flag and check | |
3641 | * on completion. For cmds with this flag, don't call | |
3642 | * megasas_complete_cmd | |
3643 | */ | |
3644 | ||
6e755ddc | 3645 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
4026e9aa | 3646 | mfi_cmd->flags |= DRV_DCMD_POLLED_MODE; |
9c915a8c | 3647 | |
9c915a8c | 3648 | io_req = cmd->io_request; |
36807e67 | 3649 | |
c365178f | 3650 | if (instance->adapter_type >= INVADER_SERIES) { |
36807e67 AR |
3651 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
3652 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
3653 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
3654 | sgl_ptr_end->Flags = 0; | |
3655 | } | |
3656 | ||
9c915a8c AR |
3657 | mpi25_ieee_chain = |
3658 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
3659 | ||
3660 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
3661 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
3662 | SGL) / 4; | |
3663 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
3664 | ||
94cd65dd | 3665 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c AR |
3666 | |
3667 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
3668 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
3669 | ||
ed2983f4 | 3670 | mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size); |
9c915a8c AR |
3671 | } |
3672 | ||
3673 | /** | |
3674 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
3675 | * @instance: Adapter soft state | |
3676 | * @cmd: mfi cmd to build | |
3677 | * | |
3678 | */ | |
3679 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
3680 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
3681 | { | |
52205ac8 | 3682 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc = NULL; |
9c915a8c AR |
3683 | u16 index; |
3684 | ||
7a7ae4f1 | 3685 | build_mpt_mfi_pass_thru(instance, cmd); |
9c915a8c AR |
3686 | index = cmd->context.smid; |
3687 | ||
3688 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
3689 | ||
9c915a8c AR |
3690 | req_desc->Words = 0; |
3691 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
3692 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
3693 | ||
94cd65dd | 3694 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
3695 | |
3696 | return req_desc; | |
3697 | } | |
3698 | ||
3699 | /** | |
3700 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
3701 | * @instance: Adapter soft state | |
3702 | * @cmd: mfi cmd pointer | |
3703 | * | |
3704 | */ | |
f4fc2093 | 3705 | void |
9c915a8c AR |
3706 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, |
3707 | struct megasas_cmd *cmd) | |
3708 | { | |
3709 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c AR |
3710 | |
3711 | req_desc = build_mpt_cmd(instance, cmd); | |
6d40afbc | 3712 | |
45b8a35e | 3713 | megasas_fire_cmd_fusion(instance, req_desc); |
f4fc2093 | 3714 | return; |
9c915a8c AR |
3715 | } |
3716 | ||
3717 | /** | |
3718 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 3719 | * @instance: Adapter soft state |
9c915a8c AR |
3720 | */ |
3721 | void | |
3722 | megasas_release_fusion(struct megasas_instance *instance) | |
3723 | { | |
b9637d14 | 3724 | megasas_free_ioc_init_cmd(instance); |
9c915a8c AR |
3725 | megasas_free_cmds(instance); |
3726 | megasas_free_cmds_fusion(instance); | |
3727 | ||
3728 | iounmap(instance->reg_set); | |
3729 | ||
e7f85168 | 3730 | pci_release_selected_regions(instance->pdev, 1<<instance->bar); |
9c915a8c AR |
3731 | } |
3732 | ||
3733 | /** | |
3734 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
3735 | * @regs: MFI register set | |
3736 | */ | |
3737 | static u32 | |
de516379 | 3738 | megasas_read_fw_status_reg_fusion(struct megasas_instance *instance) |
9c915a8c | 3739 | { |
272652fc | 3740 | return megasas_readl(instance, &instance->reg_set->outbound_scratch_pad_0); |
9c915a8c AR |
3741 | } |
3742 | ||
fc62b3fc SS |
3743 | /** |
3744 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
3745 | * @instance: Controller's soft instance | |
3746 | * return: Number of allocated host crash buffers | |
3747 | */ | |
3748 | static void | |
3749 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
3750 | { | |
3751 | unsigned int i; | |
3752 | ||
fc62b3fc | 3753 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { |
def3e8df | 3754 | instance->crash_buf[i] = vzalloc(CRASH_DMA_BUF_SIZE); |
fc62b3fc SS |
3755 | if (!instance->crash_buf[i]) { |
3756 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
3757 | "memory allocation failed at index %d\n", i); | |
3758 | break; | |
3759 | } | |
3760 | } | |
3761 | instance->drv_buf_alloc = i; | |
3762 | } | |
3763 | ||
3764 | /** | |
3765 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
3766 | * @instance: Controller's soft instance | |
3767 | */ | |
3768 | void | |
3769 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
3770 | { | |
def3e8df | 3771 | unsigned int i; |
fc62b3fc SS |
3772 | for (i = 0; i < instance->drv_buf_alloc; i++) { |
3773 | if (instance->crash_buf[i]) | |
def3e8df | 3774 | vfree(instance->crash_buf[i]); |
fc62b3fc SS |
3775 | } |
3776 | instance->drv_buf_index = 0; | |
3777 | instance->drv_buf_alloc = 0; | |
3778 | instance->fw_crash_state = UNAVAILABLE; | |
3779 | instance->fw_crash_buffer_size = 0; | |
3780 | } | |
3781 | ||
9c915a8c AR |
3782 | /** |
3783 | * megasas_adp_reset_fusion - For controller reset | |
3784 | * @regs: MFI register set | |
3785 | */ | |
3786 | static int | |
3787 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
3788 | struct megasas_register_set __iomem *regs) | |
3789 | { | |
79b82c2c | 3790 | u32 host_diag, abs_state, retry; |
3791 | ||
3792 | /* Now try to reset the chip */ | |
3793 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3794 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3795 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3796 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3797 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3798 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3799 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3800 | ||
3801 | /* Check that the diag write enable (DRWE) bit is on */ | |
272652fc | 3802 | host_diag = megasas_readl(instance, &instance->reg_set->fusion_host_diag); |
79b82c2c | 3803 | retry = 0; |
3804 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { | |
3805 | msleep(100); | |
272652fc S |
3806 | host_diag = megasas_readl(instance, |
3807 | &instance->reg_set->fusion_host_diag); | |
79b82c2c | 3808 | if (retry++ == 100) { |
3809 | dev_warn(&instance->pdev->dev, | |
3810 | "Host diag unlock failed from %s %d\n", | |
3811 | __func__, __LINE__); | |
3812 | break; | |
3813 | } | |
3814 | } | |
3815 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
3816 | return -1; | |
3817 | ||
3818 | /* Send chip reset command */ | |
3819 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
3820 | &instance->reg_set->fusion_host_diag); | |
3821 | msleep(3000); | |
3822 | ||
3823 | /* Make sure reset adapter bit is cleared */ | |
272652fc | 3824 | host_diag = megasas_readl(instance, &instance->reg_set->fusion_host_diag); |
79b82c2c | 3825 | retry = 0; |
3826 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
3827 | msleep(100); | |
272652fc S |
3828 | host_diag = megasas_readl(instance, |
3829 | &instance->reg_set->fusion_host_diag); | |
79b82c2c | 3830 | if (retry++ == 1000) { |
3831 | dev_warn(&instance->pdev->dev, | |
3832 | "Diag reset adapter never cleared %s %d\n", | |
3833 | __func__, __LINE__); | |
3834 | break; | |
3835 | } | |
3836 | } | |
3837 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
3838 | return -1; | |
3839 | ||
de516379 | 3840 | abs_state = instance->instancet->read_fw_status_reg(instance) |
79b82c2c | 3841 | & MFI_STATE_MASK; |
3842 | retry = 0; | |
3843 | ||
3844 | while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) { | |
3845 | msleep(100); | |
3846 | abs_state = instance->instancet-> | |
de516379 | 3847 | read_fw_status_reg(instance) & MFI_STATE_MASK; |
79b82c2c | 3848 | } |
3849 | if (abs_state <= MFI_STATE_FW_INIT) { | |
3850 | dev_warn(&instance->pdev->dev, | |
3851 | "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n", | |
3852 | abs_state, __func__, __LINE__); | |
3853 | return -1; | |
3854 | } | |
3855 | ||
9c915a8c AR |
3856 | return 0; |
3857 | } | |
3858 | ||
3859 | /** | |
3860 | * megasas_check_reset_fusion - For controller reset check | |
3861 | * @regs: MFI register set | |
3862 | */ | |
3863 | static int | |
3864 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
3865 | struct megasas_register_set __iomem *regs) | |
3866 | { | |
3867 | return 0; | |
3868 | } | |
3869 | ||
f0c21df6 S |
3870 | /** |
3871 | * megasas_trigger_snap_dump - Trigger snap dump in FW | |
3872 | * @instance: Soft instance of adapter | |
3873 | */ | |
3874 | static inline void megasas_trigger_snap_dump(struct megasas_instance *instance) | |
3875 | { | |
3876 | int j; | |
3877 | u32 fw_state; | |
3878 | ||
3879 | if (!instance->disableOnlineCtrlReset) { | |
3880 | dev_info(&instance->pdev->dev, "Trigger snap dump\n"); | |
3881 | writel(MFI_ADP_TRIGGER_SNAP_DUMP, | |
3882 | &instance->reg_set->doorbell); | |
3883 | readl(&instance->reg_set->doorbell); | |
3884 | } | |
3885 | ||
3886 | for (j = 0; j < instance->snapdump_wait_time; j++) { | |
de516379 S |
3887 | fw_state = instance->instancet->read_fw_status_reg(instance) & |
3888 | MFI_STATE_MASK; | |
f0c21df6 S |
3889 | if (fw_state == MFI_STATE_FAULT) { |
3890 | dev_err(&instance->pdev->dev, | |
3891 | "Found FW in FAULT state, after snap dump trigger\n"); | |
3892 | return; | |
3893 | } | |
3894 | msleep(1000); | |
3895 | } | |
3896 | } | |
3897 | ||
9c915a8c | 3898 | /* This function waits for outstanding commands on fusion to complete */ |
229fe47c | 3899 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
6d40afbc | 3900 | int reason, int *convert) |
9c915a8c | 3901 | { |
229fe47c | 3902 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 3903 | u32 fw_state; |
f0c21df6 | 3904 | u32 waittime_for_io_completion; |
9c915a8c | 3905 | |
f0c21df6 S |
3906 | waittime_for_io_completion = |
3907 | min_t(u32, resetwaittime, | |
3908 | (resetwaittime - instance->snapdump_wait_time)); | |
3909 | ||
3910 | if (reason == MFI_IO_TIMEOUT_OCR) { | |
3911 | dev_info(&instance->pdev->dev, | |
3912 | "MFI command is timed out\n"); | |
3913 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); | |
3914 | if (instance->snapdump_wait_time) | |
3915 | megasas_trigger_snap_dump(instance); | |
3916 | retval = 1; | |
3917 | goto out; | |
3918 | } | |
3919 | ||
3920 | for (i = 0; i < waittime_for_io_completion; i++) { | |
9c915a8c | 3921 | /* Check if firmware is in fault state */ |
de516379 S |
3922 | fw_state = instance->instancet->read_fw_status_reg(instance) & |
3923 | MFI_STATE_MASK; | |
9c915a8c | 3924 | if (fw_state == MFI_STATE_FAULT) { |
1be18254 | 3925 | dev_warn(&instance->pdev->dev, "Found FW in FAULT state," |
229fe47c AR |
3926 | " will reset adapter scsi%d.\n", |
3927 | instance->host->host_no); | |
64d0b8e4 | 3928 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
def0eab3 S |
3929 | if (instance->requestorId && reason) { |
3930 | dev_warn(&instance->pdev->dev, "SR-IOV Found FW in FAULT" | |
3931 | " state while polling during" | |
3932 | " I/O timeout handling for %d\n", | |
3933 | instance->host->host_no); | |
3934 | *convert = 1; | |
3935 | } | |
3936 | ||
229fe47c AR |
3937 | retval = 1; |
3938 | goto out; | |
3939 | } | |
6d40afbc | 3940 | |
6d40afbc | 3941 | |
229fe47c | 3942 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ |
6d40afbc | 3943 | if (instance->requestorId && !reason) { |
9c915a8c AR |
3944 | retval = 1; |
3945 | goto out; | |
3946 | } | |
3947 | ||
229fe47c | 3948 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
def0eab3 | 3949 | if (instance->requestorId && (reason == SCSIIO_TIMEOUT_OCR)) { |
229fe47c AR |
3950 | if (instance->hb_host_mem->HB.fwCounter != |
3951 | instance->hb_host_mem->HB.driverCounter) { | |
3952 | instance->hb_host_mem->HB.driverCounter = | |
3953 | instance->hb_host_mem->HB.fwCounter; | |
3954 | hb_seconds_missed = 0; | |
3955 | } else { | |
3956 | hb_seconds_missed++; | |
3957 | if (hb_seconds_missed == | |
3958 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
1be18254 | 3959 | dev_warn(&instance->pdev->dev, "SR-IOV:" |
229fe47c AR |
3960 | " Heartbeat never completed " |
3961 | " while polling during I/O " | |
3962 | " timeout handling for " | |
3963 | "scsi%d.\n", | |
3964 | instance->host->host_no); | |
3965 | *convert = 1; | |
3966 | retval = 1; | |
3967 | goto out; | |
3968 | } | |
3969 | } | |
3970 | } | |
3971 | ||
14298cf3 | 3972 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
9c915a8c AR |
3973 | outstanding = atomic_read(&instance->fw_outstanding); |
3974 | if (!outstanding) | |
3975 | goto out; | |
3976 | ||
3977 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 3978 | dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " |
229fe47c AR |
3979 | "commands to complete for scsi%d\n", i, |
3980 | outstanding, instance->host->host_no); | |
9c915a8c AR |
3981 | } |
3982 | msleep(1000); | |
3983 | } | |
3984 | ||
f0c21df6 S |
3985 | if (instance->snapdump_wait_time) { |
3986 | megasas_trigger_snap_dump(instance); | |
3987 | retval = 1; | |
3988 | goto out; | |
3989 | } | |
3990 | ||
9c915a8c | 3991 | if (atomic_read(&instance->fw_outstanding)) { |
1be18254 | 3992 | dev_err(&instance->pdev->dev, "pending commands remain after waiting, " |
229fe47c AR |
3993 | "will reset adapter scsi%d.\n", |
3994 | instance->host->host_no); | |
18e1c7f6 | 3995 | *convert = 1; |
9c915a8c AR |
3996 | retval = 1; |
3997 | } | |
f0c21df6 | 3998 | |
9c915a8c AR |
3999 | out: |
4000 | return retval; | |
4001 | } | |
4002 | ||
4003 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
4004 | { | |
179ac142 | 4005 | int i, j, count; |
9c915a8c AR |
4006 | struct fusion_context *fusion; |
4007 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
4008 | ||
4009 | fusion = instance->ctrl_context; | |
c8e858fe | 4010 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
179ac142 | 4011 | for (i = 0 ; i < count ; i++) { |
c8e858fe | 4012 | fusion->last_reply_idx[i] = 0; |
179ac142 SS |
4013 | reply_desc = fusion->reply_frames_desc[i]; |
4014 | for (j = 0 ; j < fusion->reply_q_depth; j++, reply_desc++) | |
4015 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
4016 | } | |
9c915a8c AR |
4017 | } |
4018 | ||
9b828182 SS |
4019 | /* |
4020 | * megasas_refire_mgmt_cmd : Re-fire management commands | |
4021 | * @instance: Controller's soft instance | |
4022 | */ | |
4023 | void megasas_refire_mgmt_cmd(struct megasas_instance *instance) | |
4024 | { | |
4025 | int j; | |
4026 | struct megasas_cmd_fusion *cmd_fusion; | |
4027 | struct fusion_context *fusion; | |
4028 | struct megasas_cmd *cmd_mfi; | |
4029 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
4030 | u16 smid; | |
6d40afbc | 4031 | bool refire_cmd = 0; |
54b28049 S |
4032 | u8 result; |
4033 | u32 opcode = 0; | |
9b828182 SS |
4034 | |
4035 | fusion = instance->ctrl_context; | |
4036 | ||
4037 | /* Re-fire management commands. | |
4038 | * Do not traverse complet MPT frame pool. Start from max_scsi_cmds. | |
4039 | */ | |
4040 | for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) { | |
4041 | cmd_fusion = fusion->cmd_list[j]; | |
4042 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
4043 | smid = le16_to_cpu(cmd_mfi->context.smid); | |
54b28049 | 4044 | result = REFIRE_CMD; |
9b828182 SS |
4045 | |
4046 | if (!smid) | |
4047 | continue; | |
690e9c38 | 4048 | |
54b28049 S |
4049 | req_desc = megasas_get_request_descriptor(instance, smid - 1); |
4050 | ||
4051 | switch (cmd_mfi->frame->hdr.cmd) { | |
4052 | case MFI_CMD_DCMD: | |
4053 | opcode = le32_to_cpu(cmd_mfi->frame->dcmd.opcode); | |
4054 | /* Do not refire shutdown command */ | |
4055 | if (opcode == MR_DCMD_CTRL_SHUTDOWN) { | |
4056 | cmd_mfi->frame->dcmd.cmd_status = MFI_STAT_OK; | |
4057 | result = COMPLETE_CMD; | |
4058 | break; | |
4059 | } | |
4060 | ||
4061 | refire_cmd = ((opcode != MR_DCMD_LD_MAP_GET_INFO)) && | |
4062 | (opcode != MR_DCMD_SYSTEM_PD_MAP_GET_INFO) && | |
4063 | !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE); | |
4064 | ||
4065 | if (!refire_cmd) | |
4066 | result = RETURN_CMD; | |
4067 | ||
4068 | break; | |
f870bcbe S |
4069 | case MFI_CMD_NVME: |
4070 | if (!instance->support_nvme_passthru) { | |
4071 | cmd_mfi->frame->hdr.cmd_status = MFI_STAT_INVALID_CMD; | |
4072 | result = COMPLETE_CMD; | |
4073 | } | |
54b28049 | 4074 | |
f870bcbe | 4075 | break; |
54b28049 S |
4076 | default: |
4077 | break; | |
690e9c38 S |
4078 | } |
4079 | ||
54b28049 S |
4080 | switch (result) { |
4081 | case REFIRE_CMD: | |
45b8a35e | 4082 | megasas_fire_cmd_fusion(instance, req_desc); |
54b28049 S |
4083 | break; |
4084 | case RETURN_CMD: | |
9b828182 | 4085 | megasas_return_cmd(instance, cmd_mfi); |
54b28049 S |
4086 | break; |
4087 | case COMPLETE_CMD: | |
4088 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
4089 | break; | |
4090 | } | |
9b828182 | 4091 | } |
9c915a8c AR |
4092 | } |
4093 | ||
18365b13 SS |
4094 | /* |
4095 | * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device | |
4096 | * @instance: per adapter struct | |
4097 | * @channel: the channel assigned by the OS | |
4098 | * @id: the id assigned by the OS | |
4099 | * | |
4100 | * Returns SUCCESS if no IOs pending to SCSI device, else return FAILED | |
4101 | */ | |
4102 | ||
4103 | static int megasas_track_scsiio(struct megasas_instance *instance, | |
4104 | int id, int channel) | |
4105 | { | |
4106 | int i, found = 0; | |
4107 | struct megasas_cmd_fusion *cmd_fusion; | |
4108 | struct fusion_context *fusion; | |
4109 | fusion = instance->ctrl_context; | |
4110 | ||
4111 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { | |
4112 | cmd_fusion = fusion->cmd_list[i]; | |
4113 | if (cmd_fusion->scmd && | |
4114 | (cmd_fusion->scmd->device->id == id && | |
4115 | cmd_fusion->scmd->device->channel == channel)) { | |
4116 | dev_info(&instance->pdev->dev, | |
4117 | "SCSI commands pending to target" | |
4118 | "channel %d id %d \tSMID: 0x%x\n", | |
4119 | channel, id, cmd_fusion->index); | |
4120 | scsi_print_command(cmd_fusion->scmd); | |
4121 | found = 1; | |
4122 | break; | |
4123 | } | |
4124 | } | |
4125 | ||
4126 | return found ? FAILED : SUCCESS; | |
4127 | } | |
4128 | ||
4129 | /** | |
4130 | * megasas_tm_response_code - translation of device response code | |
4131 | * @ioc: per adapter object | |
4132 | * @mpi_reply: MPI reply returned by firmware | |
4133 | * | |
4134 | * Return nothing. | |
4135 | */ | |
4136 | static void | |
4137 | megasas_tm_response_code(struct megasas_instance *instance, | |
4138 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) | |
4139 | { | |
4140 | char *desc; | |
4141 | ||
4142 | switch (mpi_reply->ResponseCode) { | |
4143 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
4144 | desc = "task management request completed"; | |
4145 | break; | |
4146 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
4147 | desc = "invalid frame"; | |
4148 | break; | |
4149 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
4150 | desc = "task management request not supported"; | |
4151 | break; | |
4152 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
4153 | desc = "task management request failed"; | |
4154 | break; | |
4155 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
4156 | desc = "task management request succeeded"; | |
4157 | break; | |
4158 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
4159 | desc = "invalid lun"; | |
4160 | break; | |
4161 | case 0xA: | |
4162 | desc = "overlapped tag attempted"; | |
4163 | break; | |
4164 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
4165 | desc = "task queued, however not sent to target"; | |
4166 | break; | |
4167 | default: | |
4168 | desc = "unknown"; | |
4169 | break; | |
4170 | } | |
4171 | dev_dbg(&instance->pdev->dev, "response_code(%01x): %s\n", | |
4172 | mpi_reply->ResponseCode, desc); | |
4173 | dev_dbg(&instance->pdev->dev, | |
4174 | "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo" | |
4175 | " 0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", | |
4176 | mpi_reply->TerminationCount, mpi_reply->DevHandle, | |
4177 | mpi_reply->Function, mpi_reply->TaskType, | |
4178 | mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); | |
4179 | } | |
4180 | ||
4181 | /** | |
4182 | * megasas_issue_tm - main routine for sending tm requests | |
4183 | * @instance: per adapter struct | |
4184 | * @device_handle: device handle | |
4185 | * @channel: the channel assigned by the OS | |
4186 | * @id: the id assigned by the OS | |
4187 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c) | |
4188 | * @smid_task: smid assigned to the task | |
4189 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF | |
4190 | * Context: user | |
4191 | * | |
4192 | * MegaRaid use MPT interface for Task Magement request. | |
4193 | * A generic API for sending task management requests to firmware. | |
4194 | * | |
4195 | * Return SUCCESS or FAILED. | |
4196 | */ | |
4197 | static int | |
4198 | megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, | |
e9495e2d S |
4199 | uint channel, uint id, u16 smid_task, u8 type, |
4200 | struct MR_PRIV_DEVICE *mr_device_priv_data) | |
18365b13 SS |
4201 | { |
4202 | struct MR_TASK_MANAGE_REQUEST *mr_request; | |
4203 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_request; | |
4204 | unsigned long timeleft; | |
4205 | struct megasas_cmd_fusion *cmd_fusion; | |
4206 | struct megasas_cmd *cmd_mfi; | |
4207 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
28661c88 | 4208 | struct fusion_context *fusion = NULL; |
18365b13 SS |
4209 | struct megasas_cmd_fusion *scsi_lookup; |
4210 | int rc; | |
e9495e2d | 4211 | int timeout = MEGASAS_DEFAULT_TM_TIMEOUT; |
18365b13 SS |
4212 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; |
4213 | ||
4214 | fusion = instance->ctrl_context; | |
4215 | ||
4216 | cmd_mfi = megasas_get_cmd(instance); | |
4217 | ||
4218 | if (!cmd_mfi) { | |
4219 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
4220 | __func__, __LINE__); | |
4221 | return -ENOMEM; | |
4222 | } | |
4223 | ||
4224 | cmd_fusion = megasas_get_cmd_fusion(instance, | |
4225 | instance->max_scsi_cmds + cmd_mfi->index); | |
4226 | ||
4227 | /* Save the smid. To be used for returning the cmd */ | |
4228 | cmd_mfi->context.smid = cmd_fusion->index; | |
4229 | ||
4230 | req_desc = megasas_get_request_descriptor(instance, | |
4231 | (cmd_fusion->index - 1)); | |
18365b13 SS |
4232 | |
4233 | cmd_fusion->request_desc = req_desc; | |
4234 | req_desc->Words = 0; | |
4235 | ||
18365b13 SS |
4236 | mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; |
4237 | memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); | |
4238 | mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; | |
4239 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
4240 | mpi_request->DevHandle = cpu_to_le16(device_handle); | |
4241 | mpi_request->TaskType = type; | |
4242 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
4243 | mpi_request->LUN[1] = 0; | |
4244 | ||
4245 | ||
4246 | req_desc = cmd_fusion->request_desc; | |
4247 | req_desc->HighPriority.SMID = cpu_to_le16(cmd_fusion->index); | |
4248 | req_desc->HighPriority.RequestFlags = | |
4249 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
4250 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
4251 | req_desc->HighPriority.MSIxIndex = 0; | |
4252 | req_desc->HighPriority.LMID = 0; | |
4253 | req_desc->HighPriority.Reserved1 = 0; | |
4254 | ||
4255 | if (channel < MEGASAS_MAX_PD_CHANNELS) | |
4256 | mr_request->tmReqFlags.isTMForPD = 1; | |
4257 | else | |
4258 | mr_request->tmReqFlags.isTMForLD = 1; | |
4259 | ||
4260 | init_completion(&cmd_fusion->done); | |
45b8a35e | 4261 | megasas_fire_cmd_fusion(instance, req_desc); |
18365b13 | 4262 | |
e9495e2d S |
4263 | switch (type) { |
4264 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
4265 | timeout = mr_device_priv_data->task_abort_tmo; | |
4266 | break; | |
4267 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
4268 | timeout = mr_device_priv_data->target_reset_tmo; | |
4269 | break; | |
4270 | } | |
4271 | ||
4272 | timeleft = wait_for_completion_timeout(&cmd_fusion->done, timeout * HZ); | |
18365b13 SS |
4273 | |
4274 | if (!timeleft) { | |
4275 | dev_err(&instance->pdev->dev, | |
4276 | "task mgmt type 0x%x timed out\n", type); | |
4277 | cmd_mfi->flags |= DRV_DCMD_SKIP_REFIRE; | |
4278 | mutex_unlock(&instance->reset_mutex); | |
4279 | rc = megasas_reset_fusion(instance->host, MFI_IO_TIMEOUT_OCR); | |
4280 | mutex_lock(&instance->reset_mutex); | |
4281 | return rc; | |
4282 | } | |
4283 | ||
4284 | mpi_reply = (struct MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->TMReply; | |
4285 | megasas_tm_response_code(instance, mpi_reply); | |
4286 | ||
4287 | megasas_return_cmd(instance, cmd_mfi); | |
4288 | rc = SUCCESS; | |
4289 | switch (type) { | |
4290 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
28661c88 S |
4291 | scsi_lookup = fusion->cmd_list[smid_task - 1]; |
4292 | ||
18365b13 SS |
4293 | if (scsi_lookup->scmd == NULL) |
4294 | break; | |
4295 | else { | |
4296 | instance->instancet->disable_intr(instance); | |
29206da1 | 4297 | megasas_sync_irqs((unsigned long)instance); |
18365b13 SS |
4298 | instance->instancet->enable_intr(instance); |
4299 | if (scsi_lookup->scmd == NULL) | |
4300 | break; | |
4301 | } | |
4302 | rc = FAILED; | |
4303 | break; | |
4304 | ||
4305 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
4306 | if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) | |
4307 | break; | |
4308 | instance->instancet->disable_intr(instance); | |
bdb5c55f | 4309 | megasas_sync_irqs((unsigned long)instance); |
18365b13 SS |
4310 | rc = megasas_track_scsiio(instance, id, channel); |
4311 | instance->instancet->enable_intr(instance); | |
4312 | ||
4313 | break; | |
4314 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: | |
4315 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: | |
4316 | break; | |
4317 | default: | |
4318 | rc = FAILED; | |
4319 | break; | |
4320 | } | |
4321 | ||
4322 | return rc; | |
4323 | ||
4324 | } | |
4325 | ||
4326 | /* | |
4327 | * megasas_fusion_smid_lookup : Look for fusion command correpspodning to SCSI | |
4328 | * @instance: per adapter struct | |
4329 | * | |
4330 | * Return Non Zero index, if SMID found in outstanding commands | |
4331 | */ | |
4332 | static u16 megasas_fusion_smid_lookup(struct scsi_cmnd *scmd) | |
4333 | { | |
4334 | int i, ret = 0; | |
4335 | struct megasas_instance *instance; | |
4336 | struct megasas_cmd_fusion *cmd_fusion; | |
4337 | struct fusion_context *fusion; | |
4338 | ||
4339 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4340 | ||
4341 | fusion = instance->ctrl_context; | |
4342 | ||
4343 | for (i = 0; i < instance->max_scsi_cmds; i++) { | |
4344 | cmd_fusion = fusion->cmd_list[i]; | |
4345 | if (cmd_fusion->scmd && (cmd_fusion->scmd == scmd)) { | |
4346 | scmd_printk(KERN_NOTICE, scmd, "Abort request is for" | |
4347 | " SMID: %d\n", cmd_fusion->index); | |
4348 | ret = cmd_fusion->index; | |
4349 | break; | |
4350 | } | |
4351 | } | |
4352 | ||
4353 | return ret; | |
4354 | } | |
4355 | ||
4356 | /* | |
4357 | * megasas_get_tm_devhandle - Get devhandle for TM request | |
4358 | * @sdev- OS provided scsi device | |
4359 | * | |
4360 | * Returns- devhandle/targetID of SCSI device | |
4361 | */ | |
4362 | static u16 megasas_get_tm_devhandle(struct scsi_device *sdev) | |
4363 | { | |
4364 | u16 pd_index = 0; | |
4365 | u32 device_id; | |
4366 | struct megasas_instance *instance; | |
4367 | struct fusion_context *fusion; | |
4368 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
4369 | u16 devhandle = (u16)ULONG_MAX; | |
4370 | ||
4371 | instance = (struct megasas_instance *)sdev->host->hostdata; | |
4372 | fusion = instance->ctrl_context; | |
4373 | ||
3cabd162 | 4374 | if (!MEGASAS_IS_LOGICAL(sdev)) { |
18365b13 | 4375 | if (instance->use_seqnum_jbod_fp) { |
3cabd162 S |
4376 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) |
4377 | + sdev->id; | |
4378 | pd_sync = (void *)fusion->pd_seq_sync | |
4379 | [(instance->pd_seq_map_id - 1) & 1]; | |
4380 | devhandle = pd_sync->seq[pd_index].devHandle; | |
18365b13 SS |
4381 | } else |
4382 | sdev_printk(KERN_ERR, sdev, "Firmware expose tmCapable" | |
4383 | " without JBOD MAP support from %s %d\n", __func__, __LINE__); | |
4384 | } else { | |
4385 | device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) | |
4386 | + sdev->id; | |
4387 | devhandle = device_id; | |
4388 | } | |
4389 | ||
4390 | return devhandle; | |
4391 | } | |
4392 | ||
4393 | /* | |
4394 | * megasas_task_abort_fusion : SCSI task abort function for fusion adapters | |
4395 | * @scmd : pointer to scsi command object | |
4396 | * | |
4397 | * Return SUCCESS, if command aborted else FAILED | |
4398 | */ | |
4399 | ||
4400 | int megasas_task_abort_fusion(struct scsi_cmnd *scmd) | |
4401 | { | |
4402 | struct megasas_instance *instance; | |
4403 | u16 smid, devhandle; | |
4404 | struct fusion_context *fusion; | |
4405 | int ret; | |
4406 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
4407 | mr_device_priv_data = scmd->device->hostdata; | |
4408 | ||
4409 | ||
4410 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4411 | fusion = instance->ctrl_context; | |
4412 | ||
def0eab3 S |
4413 | scmd_printk(KERN_INFO, scmd, "task abort called for scmd(%p)\n", scmd); |
4414 | scsi_print_command(scmd); | |
4415 | ||
8a01a41d | 4416 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
4417 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
4418 | "SCSI host:%d\n", instance->host->host_no); | |
4419 | ret = FAILED; | |
4420 | return ret; | |
4421 | } | |
4422 | ||
4423 | if (!mr_device_priv_data) { | |
4424 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
4425 | "scmd(%p)\n", scmd); | |
4426 | scmd->result = DID_NO_CONNECT << 16; | |
4427 | ret = SUCCESS; | |
4428 | goto out; | |
4429 | } | |
4430 | ||
4431 | ||
4432 | if (!mr_device_priv_data->is_tm_capable) { | |
4433 | ret = FAILED; | |
4434 | goto out; | |
4435 | } | |
4436 | ||
4437 | mutex_lock(&instance->reset_mutex); | |
4438 | ||
4439 | smid = megasas_fusion_smid_lookup(scmd); | |
4440 | ||
4441 | if (!smid) { | |
4442 | ret = SUCCESS; | |
4443 | scmd_printk(KERN_NOTICE, scmd, "Command for which abort is" | |
4444 | " issued is not found in oustanding commands\n"); | |
4445 | mutex_unlock(&instance->reset_mutex); | |
4446 | goto out; | |
4447 | } | |
4448 | ||
4449 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
4450 | ||
4451 | if (devhandle == (u16)ULONG_MAX) { | |
4452 | ret = SUCCESS; | |
4453 | sdev_printk(KERN_INFO, scmd->device, | |
4454 | "task abort issued for invalid devhandle\n"); | |
4455 | mutex_unlock(&instance->reset_mutex); | |
4456 | goto out; | |
4457 | } | |
4458 | sdev_printk(KERN_INFO, scmd->device, | |
4459 | "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n", | |
4460 | scmd, devhandle); | |
4461 | ||
4462 | mr_device_priv_data->tm_busy = 1; | |
4463 | ret = megasas_issue_tm(instance, devhandle, | |
4464 | scmd->device->channel, scmd->device->id, smid, | |
e9495e2d S |
4465 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, |
4466 | mr_device_priv_data); | |
18365b13 SS |
4467 | mr_device_priv_data->tm_busy = 0; |
4468 | ||
4469 | mutex_unlock(&instance->reset_mutex); | |
4470 | out: | |
4471 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", | |
4472 | ((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
4473 | ||
4474 | return ret; | |
4475 | } | |
4476 | ||
4477 | /* | |
4478 | * megasas_reset_target_fusion : target reset function for fusion adapters | |
4479 | * scmd: SCSI command pointer | |
4480 | * | |
4481 | * Returns SUCCESS if all commands associated with target aborted else FAILED | |
4482 | */ | |
4483 | ||
4484 | int megasas_reset_target_fusion(struct scsi_cmnd *scmd) | |
4485 | { | |
4486 | ||
4487 | struct megasas_instance *instance; | |
4488 | int ret = FAILED; | |
4489 | u16 devhandle; | |
4490 | struct fusion_context *fusion; | |
4491 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
4492 | mr_device_priv_data = scmd->device->hostdata; | |
4493 | ||
4494 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4495 | fusion = instance->ctrl_context; | |
4496 | ||
def0eab3 S |
4497 | sdev_printk(KERN_INFO, scmd->device, |
4498 | "target reset called for scmd(%p)\n", scmd); | |
4499 | ||
8a01a41d | 4500 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
4501 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
4502 | "SCSI host:%d\n", instance->host->host_no); | |
4503 | ret = FAILED; | |
4504 | return ret; | |
4505 | } | |
4506 | ||
4507 | if (!mr_device_priv_data) { | |
4508 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
4509 | "scmd(%p)\n", scmd); | |
4510 | scmd->result = DID_NO_CONNECT << 16; | |
4511 | ret = SUCCESS; | |
4512 | goto out; | |
4513 | } | |
4514 | ||
4515 | ||
4516 | if (!mr_device_priv_data->is_tm_capable) { | |
4517 | ret = FAILED; | |
4518 | goto out; | |
4519 | } | |
4520 | ||
4521 | mutex_lock(&instance->reset_mutex); | |
4522 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
4523 | ||
4524 | if (devhandle == (u16)ULONG_MAX) { | |
4525 | ret = SUCCESS; | |
4526 | sdev_printk(KERN_INFO, scmd->device, | |
4527 | "target reset issued for invalid devhandle\n"); | |
4528 | mutex_unlock(&instance->reset_mutex); | |
4529 | goto out; | |
4530 | } | |
4531 | ||
4532 | sdev_printk(KERN_INFO, scmd->device, | |
4533 | "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n", | |
4534 | scmd, devhandle); | |
4535 | mr_device_priv_data->tm_busy = 1; | |
4536 | ret = megasas_issue_tm(instance, devhandle, | |
4537 | scmd->device->channel, scmd->device->id, 0, | |
e9495e2d S |
4538 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
4539 | mr_device_priv_data); | |
18365b13 SS |
4540 | mr_device_priv_data->tm_busy = 0; |
4541 | mutex_unlock(&instance->reset_mutex); | |
4542 | out: | |
4543 | scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n", | |
4544 | (ret == SUCCESS) ? "SUCCESS" : "FAILED"); | |
4545 | ||
4546 | return ret; | |
4547 | } | |
4548 | ||
8f67c8c5 SS |
4549 | /*SRIOV get other instance in cluster if any*/ |
4550 | struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance) | |
4551 | { | |
4552 | int i; | |
4553 | ||
4554 | for (i = 0; i < MAX_MGMT_ADAPTERS; i++) { | |
4555 | if (megasas_mgmt_info.instance[i] && | |
4556 | (megasas_mgmt_info.instance[i] != instance) && | |
4557 | megasas_mgmt_info.instance[i]->requestorId && | |
4558 | megasas_mgmt_info.instance[i]->peerIsPresent && | |
4559 | (memcmp((megasas_mgmt_info.instance[i]->clusterId), | |
4560 | instance->clusterId, MEGASAS_CLUSTER_ID_SIZE) == 0)) | |
4561 | return megasas_mgmt_info.instance[i]; | |
4562 | } | |
4563 | return NULL; | |
4564 | } | |
4565 | ||
229fe47c AR |
4566 | /* Check for a second path that is currently UP */ |
4567 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
4568 | struct scsi_cmnd *scmd) | |
4569 | { | |
8f67c8c5 | 4570 | struct megasas_instance *peer_instance = NULL; |
f55cf47d | 4571 | int retval = (DID_REQUEUE << 16); |
8f67c8c5 SS |
4572 | |
4573 | if (instance->peerIsPresent) { | |
4574 | peer_instance = megasas_get_peer_instance(instance); | |
4575 | if ((peer_instance) && | |
4576 | (atomic_read(&peer_instance->adprecovery) == | |
4577 | MEGASAS_HBA_OPERATIONAL)) | |
4578 | retval = (DID_NO_CONNECT << 16); | |
229fe47c | 4579 | } |
229fe47c AR |
4580 | return retval; |
4581 | } | |
4582 | ||
9c915a8c | 4583 | /* Core fusion reset function */ |
18365b13 | 4584 | int megasas_reset_fusion(struct Scsi_Host *shost, int reason) |
9c915a8c | 4585 | { |
fdd84e25 | 4586 | int retval = SUCCESS, i, j, convert = 0; |
9c915a8c | 4587 | struct megasas_instance *instance; |
8bf7c65d | 4588 | struct megasas_cmd_fusion *cmd_fusion, *r1_cmd; |
9c915a8c | 4589 | struct fusion_context *fusion; |
79b82c2c | 4590 | u32 abs_state, status_reg, reset_adapter; |
fc62b3fc | 4591 | u32 io_timeout_in_crash_mode = 0; |
4026e9aa | 4592 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 | 4593 | struct scsi_device *sdev; |
e9495e2d S |
4594 | int ret_target_prop = DCMD_FAILED; |
4595 | bool is_target_prop = false; | |
9c915a8c AR |
4596 | |
4597 | instance = (struct megasas_instance *)shost->hostdata; | |
4598 | fusion = instance->ctrl_context; | |
4599 | ||
229fe47c AR |
4600 | mutex_lock(&instance->reset_mutex); |
4601 | ||
8a01a41d | 4602 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 4603 | dev_warn(&instance->pdev->dev, "Hardware critical error, " |
229fe47c AR |
4604 | "returning FAILED for scsi%d.\n", |
4605 | instance->host->host_no); | |
a2fbcbc3 | 4606 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 4607 | return FAILED; |
9c915a8c | 4608 | } |
de516379 | 4609 | status_reg = instance->instancet->read_fw_status_reg(instance); |
fc62b3fc SS |
4610 | abs_state = status_reg & MFI_STATE_MASK; |
4611 | ||
4612 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
4613 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
18365b13 SS |
4614 | instance->crash_dump_app_support && reason) { |
4615 | dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " | |
fc62b3fc | 4616 | "forcibly FAULT Firmware\n"); |
8a01a41d | 4617 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
272652fc | 4618 | status_reg = megasas_readl(instance, &instance->reg_set->doorbell); |
fc62b3fc SS |
4619 | writel(status_reg | MFI_STATE_FORCE_OCR, |
4620 | &instance->reg_set->doorbell); | |
4621 | readl(&instance->reg_set->doorbell); | |
4622 | mutex_unlock(&instance->reset_mutex); | |
4623 | do { | |
4624 | ssleep(3); | |
4625 | io_timeout_in_crash_mode++; | |
4626 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
4627 | "seconds for crash dump collection and OCR " | |
4628 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
8a01a41d | 4629 | } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && |
fc62b3fc SS |
4630 | (io_timeout_in_crash_mode < 80)); |
4631 | ||
8a01a41d | 4632 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
fc62b3fc SS |
4633 | dev_info(&instance->pdev->dev, "OCR done for IO " |
4634 | "timeout case\n"); | |
4635 | retval = SUCCESS; | |
4636 | } else { | |
4637 | dev_info(&instance->pdev->dev, "Controller is not " | |
4638 | "operational after 240 seconds wait for IO " | |
4639 | "timeout case in FW crash dump mode\n do " | |
4640 | "OCR/kill adapter\n"); | |
4641 | retval = megasas_reset_fusion(shost, 0); | |
4642 | } | |
4643 | return retval; | |
4644 | } | |
9c915a8c | 4645 | |
229fe47c AR |
4646 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
4647 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 4648 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
8a01a41d | 4649 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); |
d46a3ad6 | 4650 | instance->instancet->disable_intr(instance); |
29206da1 | 4651 | megasas_sync_irqs((unsigned long)instance); |
7e70e733 | 4652 | |
9c915a8c | 4653 | /* First try waiting for commands to complete */ |
18365b13 | 4654 | if (megasas_wait_for_outstanding_fusion(instance, reason, |
229fe47c | 4655 | &convert)) { |
8a01a41d | 4656 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
1be18254 | 4657 | dev_warn(&instance->pdev->dev, "resetting fusion " |
229fe47c AR |
4658 | "adapter scsi%d.\n", instance->host->host_no); |
4659 | if (convert) | |
18365b13 | 4660 | reason = 0; |
229fe47c | 4661 | |
def0eab3 S |
4662 | if (megasas_dbg_lvl & OCR_LOGS) |
4663 | dev_info(&instance->pdev->dev, "\nPending SCSI commands:\n"); | |
4664 | ||
9c915a8c | 4665 | /* Now return commands back to the OS */ |
4026e9aa | 4666 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { |
9c915a8c | 4667 | cmd_fusion = fusion->cmd_list[i]; |
69c337c0 | 4668 | /*check for extra commands issued by driver*/ |
630d42b7 | 4669 | if (instance->adapter_type >= VENTURA_SERIES) { |
8bf7c65d S |
4670 | r1_cmd = fusion->cmd_list[i + instance->max_fw_cmds]; |
4671 | megasas_return_cmd_fusion(instance, r1_cmd); | |
69c337c0 | 4672 | } |
4026e9aa | 4673 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 4674 | if (cmd_fusion->scmd) { |
def0eab3 S |
4675 | if (megasas_dbg_lvl & OCR_LOGS) { |
4676 | sdev_printk(KERN_INFO, | |
4677 | cmd_fusion->scmd->device, "SMID: 0x%x\n", | |
4678 | cmd_fusion->index); | |
4679 | scsi_print_command(cmd_fusion->scmd); | |
4680 | } | |
4681 | ||
4026e9aa | 4682 | scmd_local->result = |
229fe47c | 4683 | megasas_check_mpio_paths(instance, |
4026e9aa | 4684 | scmd_local); |
b71b49c2 SC |
4685 | if (instance->ldio_threshold && |
4686 | megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) | |
308ec459 | 4687 | atomic_dec(&instance->ldio_outstanding); |
9c915a8c | 4688 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
4689 | scsi_dma_unmap(scmd_local); |
4690 | scmd_local->scsi_done(scmd_local); | |
9c915a8c AR |
4691 | } |
4692 | } | |
4693 | ||
69c337c0 SC |
4694 | atomic_set(&instance->fw_outstanding, 0); |
4695 | ||
de516379 | 4696 | status_reg = instance->instancet->read_fw_status_reg(instance); |
7e70e733 AR |
4697 | abs_state = status_reg & MFI_STATE_MASK; |
4698 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
4699 | if (instance->disableOnlineCtrlReset || | |
4700 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c | 4701 | /* Reset not supported, kill adapter */ |
1be18254 | 4702 | dev_warn(&instance->pdev->dev, "Reset not supported" |
229fe47c AR |
4703 | ", killing adapter scsi%d.\n", |
4704 | instance->host->host_no); | |
9c915a8c | 4705 | megaraid_sas_kill_hba(instance); |
229fe47c | 4706 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
4707 | retval = FAILED; |
4708 | goto out; | |
4709 | } | |
4710 | ||
229fe47c | 4711 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
18365b13 | 4712 | if (instance->requestorId && !reason) { |
229fe47c | 4713 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); |
3885c26b | 4714 | goto transition_to_ready; |
229fe47c AR |
4715 | } |
4716 | ||
9c915a8c AR |
4717 | /* Now try to reset the chip */ |
4718 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
9c915a8c | 4719 | |
79b82c2c | 4720 | if (instance->instancet->adp_reset |
4721 | (instance, instance->reg_set)) | |
9c915a8c | 4722 | continue; |
3885c26b | 4723 | transition_to_ready: |
9c915a8c | 4724 | /* Wait for FW to become ready */ |
058a8fac | 4725 | if (megasas_transition_to_ready(instance, 1)) { |
3885c26b SS |
4726 | dev_warn(&instance->pdev->dev, |
4727 | "Failed to transition controller to ready for " | |
4728 | "scsi%d.\n", instance->host->host_no); | |
4729 | if (instance->requestorId && !reason) | |
4730 | goto fail_kill_adapter; | |
4731 | else | |
4732 | continue; | |
9c915a8c | 4733 | } |
9c915a8c | 4734 | megasas_reset_reply_desc(instance); |
308ec459 SS |
4735 | megasas_fusion_update_can_queue(instance, OCR_CONTEXT); |
4736 | ||
9c915a8c | 4737 | if (megasas_ioc_init_fusion(instance)) { |
3885c26b SS |
4738 | if (instance->requestorId && !reason) |
4739 | goto fail_kill_adapter; | |
4740 | else | |
4741 | continue; | |
9c915a8c AR |
4742 | } |
4743 | ||
d009b576 SS |
4744 | if (megasas_get_ctrl_info(instance)) { |
4745 | dev_info(&instance->pdev->dev, | |
4746 | "Failed from %s %d\n", | |
4747 | __func__, __LINE__); | |
d009b576 SS |
4748 | megaraid_sas_kill_hba(instance); |
4749 | retval = FAILED; | |
a6821ca3 | 4750 | goto out; |
d009b576 | 4751 | } |
54b28049 S |
4752 | |
4753 | megasas_refire_mgmt_cmd(instance); | |
4754 | ||
9c915a8c | 4755 | /* Reset load balance info */ |
5fc499b6 S |
4756 | if (fusion->load_balance_info) |
4757 | memset(fusion->load_balance_info, 0, | |
4758 | (sizeof(struct LD_LOAD_BALANCE_INFO) * | |
4759 | MAX_LOGICAL_DRIVES_EXT)); | |
9c915a8c AR |
4760 | |
4761 | if (!megasas_get_map_info(instance)) | |
4762 | megasas_sync_map_info(instance); | |
4763 | ||
3761cb4c | 4764 | megasas_setup_jbod_map(instance); |
4765 | ||
fdd84e25 | 4766 | /* reset stream detection array */ |
630d42b7 | 4767 | if (instance->adapter_type >= VENTURA_SERIES) { |
fdd84e25 SC |
4768 | for (j = 0; j < MAX_LOGICAL_DRIVES_EXT; ++j) { |
4769 | memset(fusion->stream_detect_by_ld[j], | |
4770 | 0, sizeof(struct LD_STREAM_DETECT)); | |
4771 | fusion->stream_detect_by_ld[j]->mru_bit_map | |
4772 | = MR_STREAM_BITMAP; | |
4773 | } | |
4774 | } | |
4775 | ||
ac340c5f SS |
4776 | clear_bit(MEGASAS_FUSION_IN_RESET, |
4777 | &instance->reset_flags); | |
4778 | instance->instancet->enable_intr(instance); | |
e9495e2d S |
4779 | |
4780 | shost_for_each_device(sdev, shost) { | |
4781 | if ((instance->tgt_prop) && | |
4782 | (instance->nvme_page_size)) | |
4783 | ret_target_prop = megasas_get_target_prop(instance, sdev); | |
4784 | ||
4785 | is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false; | |
4786 | megasas_set_dynamic_target_properties(sdev, is_target_prop); | |
4787 | } | |
4788 | ||
8a01a41d | 4789 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
ac340c5f | 4790 | |
2d2c2331 S |
4791 | dev_info(&instance->pdev->dev, "Interrupts are enabled and" |
4792 | " controller is OPERATIONAL for scsi:%d\n", | |
4793 | instance->host->host_no); | |
4794 | ||
229fe47c AR |
4795 | /* Restart SR-IOV heartbeat */ |
4796 | if (instance->requestorId) { | |
4797 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
c251a7be | 4798 | megasas_start_timer(instance); |
229fe47c AR |
4799 | else |
4800 | instance->skip_heartbeat_timer_del = 1; | |
4801 | } | |
4802 | ||
ac340c5f SS |
4803 | if (instance->crash_dump_drv_support && |
4804 | instance->crash_dump_app_support) | |
4805 | megasas_set_crash_dump_params(instance, | |
4806 | MR_CRASH_BUF_TURN_ON); | |
4807 | else | |
4808 | megasas_set_crash_dump_params(instance, | |
4809 | MR_CRASH_BUF_TURN_OFF); | |
4810 | ||
f0c21df6 S |
4811 | if (instance->snapdump_wait_time) { |
4812 | megasas_get_snapdump_properties(instance); | |
4813 | dev_info(&instance->pdev->dev, | |
4814 | "Snap dump wait time\t: %d\n", | |
4815 | instance->snapdump_wait_time); | |
4816 | } | |
4817 | ||
9c915a8c | 4818 | retval = SUCCESS; |
2d2c2331 S |
4819 | |
4820 | /* Adapter reset completed successfully */ | |
4821 | dev_warn(&instance->pdev->dev, | |
4822 | "Reset successful for scsi%d.\n", | |
4823 | instance->host->host_no); | |
4824 | ||
9c915a8c AR |
4825 | goto out; |
4826 | } | |
3885c26b | 4827 | fail_kill_adapter: |
9c915a8c | 4828 | /* Reset failed, kill the adapter */ |
1be18254 | 4829 | dev_warn(&instance->pdev->dev, "Reset failed, killing " |
229fe47c | 4830 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 4831 | megaraid_sas_kill_hba(instance); |
229fe47c | 4832 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
4833 | retval = FAILED; |
4834 | } else { | |
229fe47c AR |
4835 | /* For VF: Restart HB timer if we didn't OCR */ |
4836 | if (instance->requestorId) { | |
c251a7be | 4837 | megasas_start_timer(instance); |
229fe47c | 4838 | } |
3f0e58bc | 4839 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 4840 | instance->instancet->enable_intr(instance); |
8a01a41d | 4841 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
9c915a8c AR |
4842 | } |
4843 | out: | |
4844 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
4845 | mutex_unlock(&instance->reset_mutex); | |
4846 | return retval; | |
4847 | } | |
4848 | ||
3f6194af S |
4849 | /* Fusion Crash dump collection */ |
4850 | void megasas_fusion_crash_dump(struct megasas_instance *instance) | |
fc62b3fc | 4851 | { |
fc62b3fc SS |
4852 | u32 status_reg; |
4853 | u8 partial_copy = 0; | |
3f6194af | 4854 | int wait = 0; |
fc62b3fc SS |
4855 | |
4856 | ||
de516379 | 4857 | status_reg = instance->instancet->read_fw_status_reg(instance); |
fc62b3fc SS |
4858 | |
4859 | /* | |
4860 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
4861 | * to host crash buffers | |
4862 | */ | |
4863 | if (instance->drv_buf_index == 0) { | |
4864 | /* Buffer is already allocated for old Crash dump. | |
4865 | * Do OCR and do not wait for crash dump collection | |
4866 | */ | |
4867 | if (instance->drv_buf_alloc) { | |
4868 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
4869 | "not yet copied by application, ignoring this " | |
4870 | "crash dump and initiating OCR\n"); | |
4871 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
4872 | writel(status_reg, | |
81b76452 S |
4873 | &instance->reg_set->outbound_scratch_pad_0); |
4874 | readl(&instance->reg_set->outbound_scratch_pad_0); | |
fc62b3fc SS |
4875 | return; |
4876 | } | |
4877 | megasas_alloc_host_crash_buffer(instance); | |
4878 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
4879 | "allocated: %d\n", instance->drv_buf_alloc); | |
4880 | } | |
4881 | ||
3f6194af S |
4882 | while (!(status_reg & MFI_STATE_CRASH_DUMP_DONE) && |
4883 | (wait < MEGASAS_WATCHDOG_WAIT_COUNT)) { | |
4884 | if (!(status_reg & MFI_STATE_DMADONE)) { | |
4885 | /* | |
4886 | * Next crash dump buffer is not yet DMA'd by FW | |
4887 | * Check after 10ms. Wait for 1 second for FW to | |
4888 | * post the next buffer. If not bail out. | |
4889 | */ | |
4890 | wait++; | |
4891 | msleep(MEGASAS_WAIT_FOR_NEXT_DMA_MSECS); | |
4892 | status_reg = instance->instancet->read_fw_status_reg( | |
de516379 | 4893 | instance); |
3f6194af S |
4894 | continue; |
4895 | } | |
4896 | ||
4897 | wait = 0; | |
4898 | if (instance->drv_buf_index >= instance->drv_buf_alloc) { | |
4899 | dev_info(&instance->pdev->dev, | |
4900 | "Driver is done copying the buffer: %d\n", | |
4901 | instance->drv_buf_alloc); | |
4902 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
4903 | partial_copy = 1; | |
4904 | break; | |
4905 | } else { | |
4906 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
4907 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
4908 | instance->drv_buf_index++; | |
4909 | status_reg &= ~MFI_STATE_DMADONE; | |
4910 | } | |
4911 | ||
81b76452 S |
4912 | writel(status_reg, &instance->reg_set->outbound_scratch_pad_0); |
4913 | readl(&instance->reg_set->outbound_scratch_pad_0); | |
3f6194af S |
4914 | |
4915 | msleep(MEGASAS_WAIT_FOR_NEXT_DMA_MSECS); | |
de516379 | 4916 | status_reg = instance->instancet->read_fw_status_reg(instance); |
fc62b3fc SS |
4917 | } |
4918 | ||
4919 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
4920 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
4921 | "of copied buffers: %d\n", instance->drv_buf_index); | |
4922 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
4923 | instance->fw_crash_state = AVAILABLE; | |
4924 | instance->drv_buf_index = 0; | |
81b76452 S |
4925 | writel(status_reg, &instance->reg_set->outbound_scratch_pad_0); |
4926 | readl(&instance->reg_set->outbound_scratch_pad_0); | |
fc62b3fc SS |
4927 | if (!partial_copy) |
4928 | megasas_reset_fusion(instance->host, 0); | |
fc62b3fc SS |
4929 | } |
4930 | } | |
4931 | ||
4932 | ||
9c915a8c AR |
4933 | /* Fusion OCR work queue */ |
4934 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
4935 | { | |
4936 | struct megasas_instance *instance = | |
4937 | container_of(work, struct megasas_instance, work_init); | |
4938 | ||
229fe47c | 4939 | megasas_reset_fusion(instance->host, 0); |
9c915a8c AR |
4940 | } |
4941 | ||
5fc499b6 S |
4942 | /* Allocate fusion context */ |
4943 | int | |
4944 | megasas_alloc_fusion_context(struct megasas_instance *instance) | |
4945 | { | |
4946 | struct fusion_context *fusion; | |
4947 | ||
2dd689c8 S |
4948 | instance->ctrl_context = kzalloc(sizeof(struct fusion_context), |
4949 | GFP_KERNEL); | |
5fc499b6 | 4950 | if (!instance->ctrl_context) { |
2dd689c8 S |
4951 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
4952 | __func__, __LINE__); | |
4953 | return -ENOMEM; | |
5fc499b6 S |
4954 | } |
4955 | ||
4956 | fusion = instance->ctrl_context; | |
4957 | ||
2dd689c8 S |
4958 | fusion->log_to_span_pages = get_order(MAX_LOGICAL_DRIVES_EXT * |
4959 | sizeof(LD_SPAN_INFO)); | |
4960 | fusion->log_to_span = | |
4961 | (PLD_SPAN_INFO)__get_free_pages(GFP_KERNEL | __GFP_ZERO, | |
4962 | fusion->log_to_span_pages); | |
4963 | if (!fusion->log_to_span) { | |
fad953ce KC |
4964 | fusion->log_to_span = |
4965 | vzalloc(array_size(MAX_LOGICAL_DRIVES_EXT, | |
4966 | sizeof(LD_SPAN_INFO))); | |
2dd689c8 S |
4967 | if (!fusion->log_to_span) { |
4968 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
4969 | __func__, __LINE__); | |
4970 | return -ENOMEM; | |
4971 | } | |
4972 | } | |
4973 | ||
5fc499b6 S |
4974 | fusion->load_balance_info_pages = get_order(MAX_LOGICAL_DRIVES_EXT * |
4975 | sizeof(struct LD_LOAD_BALANCE_INFO)); | |
4976 | fusion->load_balance_info = | |
4977 | (struct LD_LOAD_BALANCE_INFO *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, | |
4978 | fusion->load_balance_info_pages); | |
4979 | if (!fusion->load_balance_info) { | |
fad953ce KC |
4980 | fusion->load_balance_info = |
4981 | vzalloc(array_size(MAX_LOGICAL_DRIVES_EXT, | |
4982 | sizeof(struct LD_LOAD_BALANCE_INFO))); | |
5fc499b6 S |
4983 | if (!fusion->load_balance_info) |
4984 | dev_err(&instance->pdev->dev, "Failed to allocate load_balance_info, " | |
4985 | "continuing without Load Balance support\n"); | |
4986 | } | |
4987 | ||
4988 | return 0; | |
4989 | } | |
4990 | ||
4991 | void | |
4992 | megasas_free_fusion_context(struct megasas_instance *instance) | |
4993 | { | |
4994 | struct fusion_context *fusion = instance->ctrl_context; | |
4995 | ||
4996 | if (fusion) { | |
4997 | if (fusion->load_balance_info) { | |
4998 | if (is_vmalloc_addr(fusion->load_balance_info)) | |
4999 | vfree(fusion->load_balance_info); | |
5000 | else | |
5001 | free_pages((ulong)fusion->load_balance_info, | |
5002 | fusion->load_balance_info_pages); | |
5003 | } | |
5004 | ||
2dd689c8 S |
5005 | if (fusion->log_to_span) { |
5006 | if (is_vmalloc_addr(fusion->log_to_span)) | |
5007 | vfree(fusion->log_to_span); | |
5008 | else | |
5009 | free_pages((ulong)fusion->log_to_span, | |
5010 | fusion->log_to_span_pages); | |
5011 | } | |
5012 | ||
5013 | kfree(fusion); | |
5fc499b6 S |
5014 | } |
5015 | } | |
5016 | ||
9c915a8c | 5017 | struct megasas_instance_template megasas_instance_template_fusion = { |
9c915a8c AR |
5018 | .enable_intr = megasas_enable_intr_fusion, |
5019 | .disable_intr = megasas_disable_intr_fusion, | |
5020 | .clear_intr = megasas_clear_intr_fusion, | |
5021 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
5022 | .adp_reset = megasas_adp_reset_fusion, | |
5023 | .check_reset = megasas_check_reset_fusion, | |
5024 | .service_isr = megasas_isr_fusion, | |
5025 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
5026 | .init_adapter = megasas_init_adapter_fusion, | |
5027 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
5028 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
5029 | }; |