Commit | Line | Data |
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9c915a8c | 1 | /* |
2 | * Linux MegaRAID driver for SAS based RAID controllers | |
3 | * | |
e399065b SS |
4 | * Copyright (c) 2009-2013 LSI Corporation |
5 | * Copyright (c) 2013-2014 Avago Technologies | |
9c915a8c | 6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
e399065b | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
9c915a8c | 19 | * |
20 | * FILE: megaraid_sas_fusion.c | |
21 | * | |
e399065b | 22 | * Authors: Avago Technologies |
9c915a8c | 23 | * Sumant Patro |
e399065b SS |
24 | * Adam Radford |
25 | * Kashyap Desai <kashyap.desai@avagotech.com> | |
26 | * Sumit Saxena <sumit.saxena@avagotech.com> | |
9c915a8c | 27 | * |
e399065b | 28 | * Send feedback to: megaraidlinux.pdl@avagotech.com |
9c915a8c | 29 | * |
e399065b SS |
30 | * Mail to: Avago Technologies, 350 West Trimble Road, Building 90, |
31 | * San Jose, California 95131 | |
9c915a8c | 32 | */ |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/types.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/list.h> | |
38 | #include <linux/moduleparam.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/interrupt.h> | |
42 | #include <linux/delay.h> | |
9c915a8c | 43 | #include <linux/uio.h> |
44 | #include <linux/uaccess.h> | |
45 | #include <linux/fs.h> | |
46 | #include <linux/compat.h> | |
47 | #include <linux/blkdev.h> | |
48 | #include <linux/mutex.h> | |
49 | #include <linux/poll.h> | |
5fc499b6 | 50 | #include <linux/vmalloc.h> |
9c915a8c | 51 | |
52 | #include <scsi/scsi.h> | |
53 | #include <scsi/scsi_cmnd.h> | |
54 | #include <scsi/scsi_device.h> | |
55 | #include <scsi/scsi_host.h> | |
90dc9d98 | 56 | #include <scsi/scsi_dbg.h> |
5765c5b8 | 57 | #include <linux/dmi.h> |
9c915a8c | 58 | |
59 | #include "megaraid_sas_fusion.h" | |
60 | #include "megaraid_sas.h" | |
61 | ||
4026e9aa | 62 | |
9c915a8c | 63 | extern void megasas_free_cmds(struct megasas_instance *instance); |
64 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
65 | *instance); | |
66 | extern void | |
67 | megasas_complete_cmd(struct megasas_instance *instance, | |
68 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 69 | int |
229fe47c | 70 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
71 | int seconds); | |
9c915a8c | 72 | |
73 | void | |
74 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
75 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
76 | int | |
77 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs); | |
78 | int | |
79 | megasas_issue_polled(struct megasas_instance *instance, | |
80 | struct megasas_cmd *cmd); | |
53ef2bbd | 81 | void |
82 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
83 | ||
058a8fac | 84 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c | 85 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
86 | ||
87 | extern u32 megasas_dbg_lvl; | |
229fe47c | 88 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, |
89 | int initial); | |
c251a7be | 90 | void megasas_start_timer(struct megasas_instance *instance); |
229fe47c | 91 | extern struct megasas_mgmt_info megasas_mgmt_info; |
e3d178ca | 92 | extern unsigned int resetwaittime; |
308ec459 | 93 | extern unsigned int dual_qdepth_disable; |
179ac142 SS |
94 | static void megasas_free_rdpq_fusion(struct megasas_instance *instance); |
95 | static void megasas_free_reply_fusion(struct megasas_instance *instance); | |
e97e673c S |
96 | static inline |
97 | void megasas_configure_queue_sizes(struct megasas_instance *instance); | |
9c915a8c | 98 | |
107a60dd S |
99 | /** |
100 | * megasas_check_same_4gb_region - check if allocation | |
101 | * crosses same 4GB boundary or not | |
102 | * @instance - adapter's soft instance | |
103 | * start_addr - start address of DMA allocation | |
104 | * size - size of allocation in bytes | |
105 | * return - true : allocation does not cross same | |
106 | * 4GB boundary | |
107 | * false: allocation crosses same | |
108 | * 4GB boundary | |
109 | */ | |
110 | static inline bool megasas_check_same_4gb_region | |
111 | (struct megasas_instance *instance, dma_addr_t start_addr, size_t size) | |
112 | { | |
113 | dma_addr_t end_addr; | |
114 | ||
115 | end_addr = start_addr + size; | |
fc62b3fc | 116 | |
107a60dd S |
117 | if (upper_32_bits(start_addr) != upper_32_bits(end_addr)) { |
118 | dev_err(&instance->pdev->dev, | |
119 | "Failed to get same 4GB boundary: start_addr: 0x%llx end_addr: 0x%llx\n", | |
120 | (unsigned long long)start_addr, | |
121 | (unsigned long long)end_addr); | |
122 | return false; | |
123 | } | |
124 | ||
125 | return true; | |
126 | } | |
fc62b3fc | 127 | |
9c915a8c | 128 | /** |
129 | * megasas_enable_intr_fusion - Enables interrupts | |
130 | * @regs: MFI register set | |
131 | */ | |
132 | void | |
d46a3ad6 | 133 | megasas_enable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 134 | { |
d46a3ad6 SS |
135 | struct megasas_register_set __iomem *regs; |
136 | regs = instance->reg_set; | |
c2ced171 SS |
137 | |
138 | instance->mask_interrupts = 0; | |
6497b247 | 139 | /* For Thunderbolt/Invader also clear intr on enable */ |
140 | writel(~0, ®s->outbound_intr_status); | |
141 | readl(®s->outbound_intr_status); | |
142 | ||
9c915a8c | 143 | writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); |
144 | ||
145 | /* Dummy readl to force pci flush */ | |
146 | readl(®s->outbound_intr_mask); | |
147 | } | |
148 | ||
149 | /** | |
150 | * megasas_disable_intr_fusion - Disables interrupt | |
151 | * @regs: MFI register set | |
152 | */ | |
153 | void | |
d46a3ad6 | 154 | megasas_disable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 155 | { |
156 | u32 mask = 0xFFFFFFFF; | |
157 | u32 status; | |
d46a3ad6 SS |
158 | struct megasas_register_set __iomem *regs; |
159 | regs = instance->reg_set; | |
160 | instance->mask_interrupts = 1; | |
9c915a8c | 161 | |
162 | writel(mask, ®s->outbound_intr_mask); | |
163 | /* Dummy readl to force pci flush */ | |
164 | status = readl(®s->outbound_intr_mask); | |
165 | } | |
166 | ||
167 | int | |
168 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs) | |
169 | { | |
170 | u32 status; | |
171 | /* | |
172 | * Check if it is our interrupt | |
173 | */ | |
174 | status = readl(®s->outbound_intr_status); | |
175 | ||
176 | if (status & 1) { | |
177 | writel(status, ®s->outbound_intr_status); | |
178 | readl(®s->outbound_intr_status); | |
179 | return 1; | |
180 | } | |
181 | if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) | |
182 | return 0; | |
183 | ||
9c915a8c | 184 | return 1; |
185 | } | |
186 | ||
187 | /** | |
188 | * megasas_get_cmd_fusion - Get a command from the free pool | |
189 | * @instance: Adapter soft state | |
190 | * | |
4026e9aa | 191 | * Returns a blk_tag indexed mpt frame |
9c915a8c | 192 | */ |
4026e9aa SS |
193 | inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance |
194 | *instance, u32 blk_tag) | |
9c915a8c | 195 | { |
4026e9aa | 196 | struct fusion_context *fusion; |
9c915a8c | 197 | |
4026e9aa SS |
198 | fusion = instance->ctrl_context; |
199 | return fusion->cmd_list[blk_tag]; | |
9c915a8c | 200 | } |
201 | ||
202 | /** | |
203 | * megasas_return_cmd_fusion - Return a cmd to free command pool | |
204 | * @instance: Adapter soft state | |
205 | * @cmd: Command packet to be returned to free command pool | |
206 | */ | |
90dc9d98 SS |
207 | inline void megasas_return_cmd_fusion(struct megasas_instance *instance, |
208 | struct megasas_cmd_fusion *cmd) | |
9c915a8c | 209 | { |
9c915a8c | 210 | cmd->scmd = NULL; |
8bf7c65d S |
211 | memset(cmd->io_request, 0, MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE); |
212 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; | |
213 | cmd->cmd_completed = false; | |
90dc9d98 SS |
214 | } |
215 | ||
216 | /** | |
01d7f03b | 217 | * megasas_fire_cmd_fusion - Sends command to the FW |
45b8a35e | 218 | * @instance: Adapter soft state |
9ff97fa8 | 219 | * @req_desc: 64bit Request descriptor |
45b8a35e | 220 | * |
9ff97fa8 | 221 | * Perform PCI Write. |
90dc9d98 | 222 | */ |
45b8a35e | 223 | |
01d7f03b CH |
224 | static void |
225 | megasas_fire_cmd_fusion(struct megasas_instance *instance, | |
45b8a35e | 226 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc) |
90dc9d98 | 227 | { |
45b8a35e | 228 | #if defined(writeq) && defined(CONFIG_64BIT) |
9ff97fa8 S |
229 | u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | |
230 | le32_to_cpu(req_desc->u.low)); | |
45b8a35e | 231 | |
9ff97fa8 | 232 | writeq(req_data, &instance->reg_set->inbound_low_queue_port); |
45b8a35e | 233 | #else |
9ff97fa8 S |
234 | unsigned long flags; |
235 | spin_lock_irqsave(&instance->hba_lock, flags); | |
236 | writel(le32_to_cpu(req_desc->u.low), | |
237 | &instance->reg_set->inbound_low_queue_port); | |
238 | writel(le32_to_cpu(req_desc->u.high), | |
239 | &instance->reg_set->inbound_high_queue_port); | |
240 | mmiowb(); | |
241 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
01d7f03b | 242 | #endif |
9c915a8c | 243 | } |
244 | ||
308ec459 SS |
245 | /** |
246 | * megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here | |
247 | * @instance: Adapter soft state | |
248 | * fw_boot_context: Whether this function called during probe or after OCR | |
249 | * | |
250 | * This function is only for fusion controllers. | |
251 | * Update host can queue, if firmware downgrade max supported firmware commands. | |
252 | * Firmware upgrade case will be skiped because underlying firmware has | |
253 | * more resource than exposed to the OS. | |
254 | * | |
255 | */ | |
256 | static void | |
257 | megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_context) | |
258 | { | |
259 | u16 cur_max_fw_cmds = 0; | |
260 | u16 ldio_threshold = 0; | |
261 | struct megasas_register_set __iomem *reg_set; | |
262 | ||
263 | reg_set = instance->reg_set; | |
264 | ||
9581ebeb | 265 | /* ventura FW does not fill outbound_scratch_pad_3 with queue depth */ |
f369a315 | 266 | if (instance->adapter_type < VENTURA_SERIES) |
9581ebeb SC |
267 | cur_max_fw_cmds = |
268 | readl(&instance->reg_set->outbound_scratch_pad_3) & 0x00FFFF; | |
308ec459 SS |
269 | |
270 | if (dual_qdepth_disable || !cur_max_fw_cmds) | |
271 | cur_max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; | |
272 | else | |
273 | ldio_threshold = | |
274 | (instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS; | |
275 | ||
276 | dev_info(&instance->pdev->dev, | |
b5c5d0ad | 277 | "Current firmware supports maximum commands: %d\t LDIO threshold: %d\n", |
e97e673c | 278 | cur_max_fw_cmds, ldio_threshold); |
308ec459 SS |
279 | |
280 | if (fw_boot_context == OCR_CONTEXT) { | |
281 | cur_max_fw_cmds = cur_max_fw_cmds - 1; | |
013aec66 | 282 | if (cur_max_fw_cmds < instance->max_fw_cmds) { |
308ec459 SS |
283 | instance->cur_can_queue = |
284 | cur_max_fw_cmds - (MEGASAS_FUSION_INTERNAL_CMDS + | |
285 | MEGASAS_FUSION_IOCTL_CMDS); | |
286 | instance->host->can_queue = instance->cur_can_queue; | |
287 | instance->ldio_threshold = ldio_threshold; | |
288 | } | |
289 | } else { | |
290 | instance->max_fw_cmds = cur_max_fw_cmds; | |
291 | instance->ldio_threshold = ldio_threshold; | |
292 | ||
c3e385a1 SS |
293 | if (reset_devices) |
294 | instance->max_fw_cmds = min(instance->max_fw_cmds, | |
295 | (u16)MEGASAS_KDUMP_QUEUE_DEPTH); | |
308ec459 SS |
296 | /* |
297 | * Reduce the max supported cmds by 1. This is to ensure that the | |
298 | * reply_q_sz (1 more than the max cmd that driver may send) | |
299 | * does not exceed max cmds that the FW can support | |
300 | */ | |
301 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
308ec459 SS |
302 | } |
303 | } | |
9c915a8c | 304 | /** |
179ac142 SS |
305 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool |
306 | * @instance: Adapter soft state | |
9c915a8c | 307 | */ |
179ac142 SS |
308 | void |
309 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
9c915a8c | 310 | { |
311 | int i; | |
312 | struct fusion_context *fusion = instance->ctrl_context; | |
9c915a8c | 313 | struct megasas_cmd_fusion *cmd; |
314 | ||
107a60dd S |
315 | if (fusion->sense) |
316 | dma_pool_free(fusion->sense_dma_pool, fusion->sense, | |
317 | fusion->sense_phys_addr); | |
318 | ||
319 | /* SG */ | |
320 | if (fusion->cmd_list) { | |
321 | for (i = 0; i < instance->max_mpt_cmds; i++) { | |
322 | cmd = fusion->cmd_list[i]; | |
323 | if (cmd) { | |
324 | if (cmd->sg_frame) | |
325 | dma_pool_free(fusion->sg_dma_pool, | |
326 | cmd->sg_frame, | |
327 | cmd->sg_frame_phys_addr); | |
328 | } | |
329 | kfree(cmd); | |
179ac142 | 330 | } |
107a60dd | 331 | kfree(fusion->cmd_list); |
9c915a8c | 332 | } |
333 | ||
179ac142 | 334 | if (fusion->sg_dma_pool) { |
fc69d86d | 335 | dma_pool_destroy(fusion->sg_dma_pool); |
179ac142 SS |
336 | fusion->sg_dma_pool = NULL; |
337 | } | |
338 | if (fusion->sense_dma_pool) { | |
fc69d86d | 339 | dma_pool_destroy(fusion->sense_dma_pool); |
179ac142 SS |
340 | fusion->sense_dma_pool = NULL; |
341 | } | |
9c915a8c | 342 | |
9c915a8c | 343 | |
179ac142 SS |
344 | /* Reply Frame, Desc*/ |
345 | if (instance->is_rdpq) | |
346 | megasas_free_rdpq_fusion(instance); | |
347 | else | |
348 | megasas_free_reply_fusion(instance); | |
9c915a8c | 349 | |
179ac142 | 350 | /* Request Frame, Desc*/ |
9c915a8c | 351 | if (fusion->req_frames_desc) |
179ac142 SS |
352 | dma_free_coherent(&instance->pdev->dev, |
353 | fusion->request_alloc_sz, fusion->req_frames_desc, | |
354 | fusion->req_frames_desc_phys); | |
355 | if (fusion->io_request_frames) | |
fc69d86d | 356 | dma_pool_free(fusion->io_request_frames_pool, |
179ac142 SS |
357 | fusion->io_request_frames, |
358 | fusion->io_request_frames_phys); | |
359 | if (fusion->io_request_frames_pool) { | |
fc69d86d | 360 | dma_pool_destroy(fusion->io_request_frames_pool); |
179ac142 | 361 | fusion->io_request_frames_pool = NULL; |
9c915a8c | 362 | } |
9c915a8c | 363 | } |
364 | ||
365 | /** | |
179ac142 | 366 | * megasas_create_sg_sense_fusion - Creates DMA pool for cmd frames |
9c915a8c | 367 | * @instance: Adapter soft state |
368 | * | |
369 | */ | |
179ac142 | 370 | static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) |
9c915a8c | 371 | { |
372 | int i; | |
50b7f5a2 | 373 | u16 max_cmd; |
9c915a8c | 374 | struct fusion_context *fusion; |
375 | struct megasas_cmd_fusion *cmd; | |
107a60dd S |
376 | int sense_sz; |
377 | u32 offset; | |
9c915a8c | 378 | |
379 | fusion = instance->ctrl_context; | |
380 | max_cmd = instance->max_fw_cmds; | |
107a60dd | 381 | sense_sz = instance->max_mpt_cmds * SCSI_SENSE_BUFFERSIZE; |
9c915a8c | 382 | |
179ac142 | 383 | fusion->sg_dma_pool = |
fc69d86d | 384 | dma_pool_create("mr_sg", &instance->pdev->dev, |
15dd0381 S |
385 | instance->max_chain_frame_sz, |
386 | MR_DEFAULT_NVME_PAGE_SIZE, 0); | |
179ac142 SS |
387 | /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ |
388 | fusion->sense_dma_pool = | |
fc69d86d | 389 | dma_pool_create("mr_sense", &instance->pdev->dev, |
107a60dd | 390 | sense_sz, 64, 0); |
9c915a8c | 391 | |
179ac142 SS |
392 | if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { |
393 | dev_err(&instance->pdev->dev, | |
394 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c | 395 | return -ENOMEM; |
396 | } | |
397 | ||
107a60dd S |
398 | fusion->sense = dma_pool_alloc(fusion->sense_dma_pool, |
399 | GFP_KERNEL, &fusion->sense_phys_addr); | |
400 | if (!fusion->sense) { | |
401 | dev_err(&instance->pdev->dev, | |
402 | "failed from %s %d\n", __func__, __LINE__); | |
403 | return -ENOMEM; | |
404 | } | |
405 | ||
406 | /* sense buffer, request frame and reply desc pool requires to be in | |
407 | * same 4 gb region. Below function will check this. | |
408 | * In case of failure, new pci pool will be created with updated | |
409 | * alignment. | |
410 | * Older allocation and pool will be destroyed. | |
411 | * Alignment will be used such a way that next allocation if success, | |
412 | * will always meet same 4gb region requirement. | |
413 | * Actual requirement is not alignment, but we need start and end of | |
414 | * DMA address must have same upper 32 bit address. | |
415 | */ | |
416 | ||
417 | if (!megasas_check_same_4gb_region(instance, fusion->sense_phys_addr, | |
418 | sense_sz)) { | |
419 | dma_pool_free(fusion->sense_dma_pool, fusion->sense, | |
420 | fusion->sense_phys_addr); | |
421 | fusion->sense = NULL; | |
422 | dma_pool_destroy(fusion->sense_dma_pool); | |
423 | ||
424 | fusion->sense_dma_pool = | |
425 | dma_pool_create("mr_sense_align", &instance->pdev->dev, | |
426 | sense_sz, roundup_pow_of_two(sense_sz), | |
427 | 0); | |
428 | if (!fusion->sense_dma_pool) { | |
429 | dev_err(&instance->pdev->dev, | |
430 | "Failed from %s %d\n", __func__, __LINE__); | |
431 | return -ENOMEM; | |
432 | } | |
433 | fusion->sense = dma_pool_alloc(fusion->sense_dma_pool, | |
434 | GFP_KERNEL, | |
435 | &fusion->sense_phys_addr); | |
436 | if (!fusion->sense) { | |
437 | dev_err(&instance->pdev->dev, | |
438 | "failed from %s %d\n", __func__, __LINE__); | |
439 | return -ENOMEM; | |
440 | } | |
441 | } | |
442 | ||
9c915a8c | 443 | /* |
444 | * Allocate and attach a frame to each of the commands in cmd_list | |
445 | */ | |
446 | for (i = 0; i < max_cmd; i++) { | |
9c915a8c | 447 | cmd = fusion->cmd_list[i]; |
fc69d86d | 448 | cmd->sg_frame = dma_pool_alloc(fusion->sg_dma_pool, |
179ac142 | 449 | GFP_KERNEL, &cmd->sg_frame_phys_addr); |
9c915a8c | 450 | |
107a60dd S |
451 | offset = SCSI_SENSE_BUFFERSIZE * i; |
452 | cmd->sense = (u8 *)fusion->sense + offset; | |
453 | cmd->sense_phys_addr = fusion->sense_phys_addr + offset; | |
454 | ||
455 | if (!cmd->sg_frame) { | |
179ac142 SS |
456 | dev_err(&instance->pdev->dev, |
457 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c | 458 | return -ENOMEM; |
459 | } | |
460 | } | |
69c337c0 SC |
461 | |
462 | /* create sense buffer for the raid 1/10 fp */ | |
463 | for (i = max_cmd; i < instance->max_mpt_cmds; i++) { | |
464 | cmd = fusion->cmd_list[i]; | |
107a60dd S |
465 | offset = SCSI_SENSE_BUFFERSIZE * i; |
466 | cmd->sense = (u8 *)fusion->sense + offset; | |
467 | cmd->sense_phys_addr = fusion->sense_phys_addr + offset; | |
468 | ||
69c337c0 SC |
469 | } |
470 | ||
9c915a8c | 471 | return 0; |
472 | } | |
473 | ||
9c915a8c | 474 | int |
179ac142 | 475 | megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) |
9c915a8c | 476 | { |
70c54e21 | 477 | u32 max_mpt_cmd, i, j; |
9c915a8c | 478 | struct fusion_context *fusion; |
9c915a8c | 479 | |
480 | fusion = instance->ctrl_context; | |
481 | ||
69c337c0 | 482 | max_mpt_cmd = instance->max_mpt_cmds; |
9c915a8c | 483 | |
179ac142 SS |
484 | /* |
485 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
486 | * Allocate the dynamic array first and then allocate individual | |
487 | * commands. | |
488 | */ | |
69c337c0 | 489 | fusion->cmd_list = |
6396bb22 | 490 | kcalloc(max_mpt_cmd, sizeof(struct megasas_cmd_fusion *), |
69c337c0 | 491 | GFP_KERNEL); |
179ac142 SS |
492 | if (!fusion->cmd_list) { |
493 | dev_err(&instance->pdev->dev, | |
494 | "Failed from %s %d\n", __func__, __LINE__); | |
495 | return -ENOMEM; | |
496 | } | |
497 | ||
69c337c0 | 498 | for (i = 0; i < max_mpt_cmd; i++) { |
179ac142 SS |
499 | fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), |
500 | GFP_KERNEL); | |
501 | if (!fusion->cmd_list[i]) { | |
70c54e21 SW |
502 | for (j = 0; j < i; j++) |
503 | kfree(fusion->cmd_list[j]); | |
504 | kfree(fusion->cmd_list); | |
179ac142 SS |
505 | dev_err(&instance->pdev->dev, |
506 | "Failed from %s %d\n", __func__, __LINE__); | |
507 | return -ENOMEM; | |
508 | } | |
509 | } | |
70c54e21 | 510 | |
179ac142 SS |
511 | return 0; |
512 | } | |
513 | int | |
514 | megasas_alloc_request_fusion(struct megasas_instance *instance) | |
515 | { | |
516 | struct fusion_context *fusion; | |
517 | ||
518 | fusion = instance->ctrl_context; | |
519 | ||
e97e673c | 520 | retry_alloc: |
179ac142 | 521 | fusion->io_request_frames_pool = |
fc69d86d | 522 | dma_pool_create("mr_ioreq", &instance->pdev->dev, |
179ac142 SS |
523 | fusion->io_frames_alloc_sz, 16, 0); |
524 | ||
525 | if (!fusion->io_request_frames_pool) { | |
526 | dev_err(&instance->pdev->dev, | |
527 | "Failed from %s %d\n", __func__, __LINE__); | |
528 | return -ENOMEM; | |
529 | } | |
530 | ||
531 | fusion->io_request_frames = | |
fc69d86d | 532 | dma_pool_alloc(fusion->io_request_frames_pool, |
179ac142 SS |
533 | GFP_KERNEL, &fusion->io_request_frames_phys); |
534 | if (!fusion->io_request_frames) { | |
e97e673c S |
535 | if (instance->max_fw_cmds >= (MEGASAS_REDUCE_QD_COUNT * 2)) { |
536 | instance->max_fw_cmds -= MEGASAS_REDUCE_QD_COUNT; | |
537 | dma_pool_destroy(fusion->io_request_frames_pool); | |
538 | megasas_configure_queue_sizes(instance); | |
539 | goto retry_alloc; | |
540 | } else { | |
541 | dev_err(&instance->pdev->dev, | |
542 | "Failed from %s %d\n", __func__, __LINE__); | |
543 | return -ENOMEM; | |
544 | } | |
545 | } | |
546 | ||
107a60dd S |
547 | if (!megasas_check_same_4gb_region(instance, |
548 | fusion->io_request_frames_phys, | |
549 | fusion->io_frames_alloc_sz)) { | |
550 | dma_pool_free(fusion->io_request_frames_pool, | |
551 | fusion->io_request_frames, | |
552 | fusion->io_request_frames_phys); | |
553 | fusion->io_request_frames = NULL; | |
554 | dma_pool_destroy(fusion->io_request_frames_pool); | |
555 | ||
556 | fusion->io_request_frames_pool = | |
557 | dma_pool_create("mr_ioreq_align", | |
558 | &instance->pdev->dev, | |
559 | fusion->io_frames_alloc_sz, | |
560 | roundup_pow_of_two(fusion->io_frames_alloc_sz), | |
561 | 0); | |
562 | ||
563 | if (!fusion->io_request_frames_pool) { | |
564 | dev_err(&instance->pdev->dev, | |
565 | "Failed from %s %d\n", __func__, __LINE__); | |
566 | return -ENOMEM; | |
567 | } | |
568 | ||
569 | fusion->io_request_frames = | |
570 | dma_pool_alloc(fusion->io_request_frames_pool, | |
571 | GFP_KERNEL, | |
572 | &fusion->io_request_frames_phys); | |
573 | ||
574 | if (!fusion->io_request_frames) { | |
575 | dev_err(&instance->pdev->dev, | |
576 | "Failed from %s %d\n", __func__, __LINE__); | |
577 | return -ENOMEM; | |
578 | } | |
579 | } | |
580 | ||
e97e673c S |
581 | fusion->req_frames_desc = |
582 | dma_alloc_coherent(&instance->pdev->dev, | |
583 | fusion->request_alloc_sz, | |
584 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
585 | if (!fusion->req_frames_desc) { | |
179ac142 SS |
586 | dev_err(&instance->pdev->dev, |
587 | "Failed from %s %d\n", __func__, __LINE__); | |
588 | return -ENOMEM; | |
589 | } | |
e97e673c | 590 | |
179ac142 SS |
591 | return 0; |
592 | } | |
593 | ||
594 | int | |
595 | megasas_alloc_reply_fusion(struct megasas_instance *instance) | |
596 | { | |
597 | int i, count; | |
598 | struct fusion_context *fusion; | |
599 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
600 | fusion = instance->ctrl_context; | |
601 | ||
c8e858fe | 602 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c | 603 | fusion->reply_frames_desc_pool = |
fc69d86d | 604 | dma_pool_create("mr_reply", &instance->pdev->dev, |
c8e858fe | 605 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c | 606 | |
607 | if (!fusion->reply_frames_desc_pool) { | |
179ac142 SS |
608 | dev_err(&instance->pdev->dev, |
609 | "Failed from %s %d\n", __func__, __LINE__); | |
610 | return -ENOMEM; | |
9c915a8c | 611 | } |
612 | ||
179ac142 | 613 | fusion->reply_frames_desc[0] = |
fc69d86d | 614 | dma_pool_alloc(fusion->reply_frames_desc_pool, |
179ac142 SS |
615 | GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); |
616 | if (!fusion->reply_frames_desc[0]) { | |
617 | dev_err(&instance->pdev->dev, | |
618 | "Failed from %s %d\n", __func__, __LINE__); | |
619 | return -ENOMEM; | |
9c915a8c | 620 | } |
107a60dd S |
621 | |
622 | if (!megasas_check_same_4gb_region(instance, | |
623 | fusion->reply_frames_desc_phys[0], | |
624 | (fusion->reply_alloc_sz * count))) { | |
625 | dma_pool_free(fusion->reply_frames_desc_pool, | |
626 | fusion->reply_frames_desc[0], | |
627 | fusion->reply_frames_desc_phys[0]); | |
628 | fusion->reply_frames_desc[0] = NULL; | |
629 | dma_pool_destroy(fusion->reply_frames_desc_pool); | |
630 | ||
631 | fusion->reply_frames_desc_pool = | |
632 | dma_pool_create("mr_reply_align", | |
633 | &instance->pdev->dev, | |
634 | fusion->reply_alloc_sz * count, | |
635 | roundup_pow_of_two(fusion->reply_alloc_sz * count), | |
636 | 0); | |
637 | ||
638 | if (!fusion->reply_frames_desc_pool) { | |
639 | dev_err(&instance->pdev->dev, | |
640 | "Failed from %s %d\n", __func__, __LINE__); | |
641 | return -ENOMEM; | |
642 | } | |
643 | ||
644 | fusion->reply_frames_desc[0] = | |
645 | dma_pool_alloc(fusion->reply_frames_desc_pool, | |
646 | GFP_KERNEL, | |
647 | &fusion->reply_frames_desc_phys[0]); | |
648 | ||
649 | if (!fusion->reply_frames_desc[0]) { | |
650 | dev_err(&instance->pdev->dev, | |
651 | "Failed from %s %d\n", __func__, __LINE__); | |
652 | return -ENOMEM; | |
653 | } | |
654 | } | |
655 | ||
179ac142 | 656 | reply_desc = fusion->reply_frames_desc[0]; |
c8e858fe | 657 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 658 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 659 | |
179ac142 SS |
660 | /* This is not a rdpq mode, but driver still populate |
661 | * reply_frame_desc array to use same msix index in ISR path. | |
662 | */ | |
663 | for (i = 0; i < (count - 1); i++) | |
664 | fusion->reply_frames_desc[i + 1] = | |
665 | fusion->reply_frames_desc[i] + | |
666 | (fusion->reply_alloc_sz)/sizeof(union MPI2_REPLY_DESCRIPTORS_UNION); | |
9c915a8c | 667 | |
179ac142 SS |
668 | return 0; |
669 | } | |
9c915a8c | 670 | |
179ac142 SS |
671 | int |
672 | megasas_alloc_rdpq_fusion(struct megasas_instance *instance) | |
673 | { | |
107a60dd | 674 | int i, j, k, msix_count; |
179ac142 SS |
675 | struct fusion_context *fusion; |
676 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
107a60dd S |
677 | union MPI2_REPLY_DESCRIPTORS_UNION *rdpq_chunk_virt[RDPQ_MAX_CHUNK_COUNT]; |
678 | dma_addr_t rdpq_chunk_phys[RDPQ_MAX_CHUNK_COUNT]; | |
679 | u8 dma_alloc_count, abs_index; | |
680 | u32 chunk_size, array_size, offset; | |
179ac142 SS |
681 | |
682 | fusion = instance->ctrl_context; | |
107a60dd S |
683 | chunk_size = fusion->reply_alloc_sz * RDPQ_MAX_INDEX_IN_ONE_CHUNK; |
684 | array_size = sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * | |
685 | MAX_MSIX_QUEUES_FUSION; | |
179ac142 | 686 | |
3c6c122c HJ |
687 | fusion->rdpq_virt = pci_zalloc_consistent(instance->pdev, array_size, |
688 | &fusion->rdpq_phys); | |
179ac142 SS |
689 | if (!fusion->rdpq_virt) { |
690 | dev_err(&instance->pdev->dev, | |
691 | "Failed from %s %d\n", __func__, __LINE__); | |
692 | return -ENOMEM; | |
9c915a8c | 693 | } |
694 | ||
107a60dd S |
695 | msix_count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
696 | ||
fc69d86d RP |
697 | fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq", |
698 | &instance->pdev->dev, | |
107a60dd S |
699 | chunk_size, 16, 0); |
700 | fusion->reply_frames_desc_pool_align = | |
701 | dma_pool_create("mr_rdpq_align", | |
702 | &instance->pdev->dev, | |
703 | chunk_size, | |
704 | roundup_pow_of_two(chunk_size), | |
705 | 0); | |
706 | ||
707 | if (!fusion->reply_frames_desc_pool || | |
708 | !fusion->reply_frames_desc_pool_align) { | |
179ac142 SS |
709 | dev_err(&instance->pdev->dev, |
710 | "Failed from %s %d\n", __func__, __LINE__); | |
711 | return -ENOMEM; | |
9c915a8c | 712 | } |
713 | ||
107a60dd S |
714 | /* |
715 | * For INVADER_SERIES each set of 8 reply queues(0-7, 8-15, ..) and | |
716 | * VENTURA_SERIES each set of 16 reply queues(0-15, 16-31, ..) should be | |
717 | * within 4GB boundary and also reply queues in a set must have same | |
718 | * upper 32-bits in their memory address. so here driver is allocating the | |
719 | * DMA'able memory for reply queues according. Driver uses limitation of | |
720 | * VENTURA_SERIES to manage INVADER_SERIES as well. | |
721 | */ | |
722 | dma_alloc_count = DIV_ROUND_UP(msix_count, RDPQ_MAX_INDEX_IN_ONE_CHUNK); | |
723 | ||
724 | for (i = 0; i < dma_alloc_count; i++) { | |
725 | rdpq_chunk_virt[i] = | |
726 | dma_pool_alloc(fusion->reply_frames_desc_pool, | |
727 | GFP_KERNEL, &rdpq_chunk_phys[i]); | |
728 | if (!rdpq_chunk_virt[i]) { | |
179ac142 SS |
729 | dev_err(&instance->pdev->dev, |
730 | "Failed from %s %d\n", __func__, __LINE__); | |
731 | return -ENOMEM; | |
732 | } | |
107a60dd S |
733 | /* reply desc pool requires to be in same 4 gb region. |
734 | * Below function will check this. | |
735 | * In case of failure, new pci pool will be created with updated | |
736 | * alignment. | |
737 | * For RDPQ buffers, driver always allocate two separate pci pool. | |
738 | * Alignment will be used such a way that next allocation if | |
739 | * success, will always meet same 4gb region requirement. | |
740 | * rdpq_tracker keep track of each buffer's physical, | |
741 | * virtual address and pci pool descriptor. It will help driver | |
742 | * while freeing the resources. | |
743 | * | |
744 | */ | |
745 | if (!megasas_check_same_4gb_region(instance, rdpq_chunk_phys[i], | |
746 | chunk_size)) { | |
747 | dma_pool_free(fusion->reply_frames_desc_pool, | |
748 | rdpq_chunk_virt[i], | |
749 | rdpq_chunk_phys[i]); | |
9c915a8c | 750 | |
107a60dd S |
751 | rdpq_chunk_virt[i] = |
752 | dma_pool_alloc(fusion->reply_frames_desc_pool_align, | |
753 | GFP_KERNEL, &rdpq_chunk_phys[i]); | |
754 | if (!rdpq_chunk_virt[i]) { | |
755 | dev_err(&instance->pdev->dev, | |
756 | "Failed from %s %d\n", | |
757 | __func__, __LINE__); | |
758 | return -ENOMEM; | |
759 | } | |
760 | fusion->rdpq_tracker[i].dma_pool_ptr = | |
761 | fusion->reply_frames_desc_pool_align; | |
762 | } else { | |
763 | fusion->rdpq_tracker[i].dma_pool_ptr = | |
764 | fusion->reply_frames_desc_pool; | |
765 | } | |
179ac142 | 766 | |
107a60dd S |
767 | fusion->rdpq_tracker[i].pool_entry_phys = rdpq_chunk_phys[i]; |
768 | fusion->rdpq_tracker[i].pool_entry_virt = rdpq_chunk_virt[i]; | |
9c915a8c | 769 | } |
107a60dd S |
770 | |
771 | for (k = 0; k < dma_alloc_count; k++) { | |
772 | for (i = 0; i < RDPQ_MAX_INDEX_IN_ONE_CHUNK; i++) { | |
773 | abs_index = (k * RDPQ_MAX_INDEX_IN_ONE_CHUNK) + i; | |
774 | ||
775 | if (abs_index == msix_count) | |
776 | break; | |
777 | offset = fusion->reply_alloc_sz * i; | |
778 | fusion->rdpq_virt[abs_index].RDPQBaseAddress = | |
779 | cpu_to_le64(rdpq_chunk_phys[k] + offset); | |
780 | fusion->reply_frames_desc_phys[abs_index] = | |
781 | rdpq_chunk_phys[k] + offset; | |
782 | fusion->reply_frames_desc[abs_index] = | |
783 | (union MPI2_REPLY_DESCRIPTORS_UNION *)((u8 *)rdpq_chunk_virt[k] + offset); | |
784 | ||
785 | reply_desc = fusion->reply_frames_desc[abs_index]; | |
786 | for (j = 0; j < fusion->reply_q_depth; j++, reply_desc++) | |
787 | reply_desc->Words = ULLONG_MAX; | |
788 | } | |
789 | } | |
790 | ||
179ac142 SS |
791 | return 0; |
792 | } | |
9c915a8c | 793 | |
179ac142 SS |
794 | static void |
795 | megasas_free_rdpq_fusion(struct megasas_instance *instance) { | |
9c915a8c | 796 | |
179ac142 SS |
797 | int i; |
798 | struct fusion_context *fusion; | |
9c915a8c | 799 | |
179ac142 SS |
800 | fusion = instance->ctrl_context; |
801 | ||
107a60dd S |
802 | for (i = 0; i < RDPQ_MAX_CHUNK_COUNT; i++) { |
803 | if (fusion->rdpq_tracker[i].pool_entry_virt) | |
804 | dma_pool_free(fusion->rdpq_tracker[i].dma_pool_ptr, | |
805 | fusion->rdpq_tracker[i].pool_entry_virt, | |
806 | fusion->rdpq_tracker[i].pool_entry_phys); | |
807 | ||
9c915a8c | 808 | } |
809 | ||
179ac142 | 810 | if (fusion->reply_frames_desc_pool) |
fc69d86d | 811 | dma_pool_destroy(fusion->reply_frames_desc_pool); |
107a60dd S |
812 | if (fusion->reply_frames_desc_pool_align) |
813 | dma_pool_destroy(fusion->reply_frames_desc_pool_align); | |
179ac142 SS |
814 | |
815 | if (fusion->rdpq_virt) | |
816 | pci_free_consistent(instance->pdev, | |
817 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, | |
818 | fusion->rdpq_virt, fusion->rdpq_phys); | |
819 | } | |
820 | ||
821 | static void | |
822 | megasas_free_reply_fusion(struct megasas_instance *instance) { | |
823 | ||
824 | struct fusion_context *fusion; | |
825 | ||
826 | fusion = instance->ctrl_context; | |
827 | ||
828 | if (fusion->reply_frames_desc[0]) | |
fc69d86d | 829 | dma_pool_free(fusion->reply_frames_desc_pool, |
179ac142 SS |
830 | fusion->reply_frames_desc[0], |
831 | fusion->reply_frames_desc_phys[0]); | |
832 | ||
833 | if (fusion->reply_frames_desc_pool) | |
fc69d86d | 834 | dma_pool_destroy(fusion->reply_frames_desc_pool); |
179ac142 SS |
835 | |
836 | } | |
837 | ||
838 | ||
839 | /** | |
840 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
841 | * @instance: Adapter soft state | |
842 | * | |
843 | * | |
844 | * Each frame has a 32-bit field called context. This context is used to get | |
845 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
846 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
847 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
848 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
849 | * | |
850 | * cmds are formed in the io_request and sg_frame members of the | |
851 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
852 | * and is used as SMID of the cmd. | |
853 | * SMID value range is from 1 to max_fw_cmds. | |
854 | */ | |
855 | int | |
856 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
857 | { | |
858 | int i; | |
859 | struct fusion_context *fusion; | |
860 | struct megasas_cmd_fusion *cmd; | |
861 | u32 offset; | |
862 | dma_addr_t io_req_base_phys; | |
863 | u8 *io_req_base; | |
864 | ||
865 | ||
866 | fusion = instance->ctrl_context; | |
867 | ||
179ac142 SS |
868 | if (megasas_alloc_request_fusion(instance)) |
869 | goto fail_exit; | |
870 | ||
871 | if (instance->is_rdpq) { | |
872 | if (megasas_alloc_rdpq_fusion(instance)) | |
873 | goto fail_exit; | |
874 | } else | |
875 | if (megasas_alloc_reply_fusion(instance)) | |
876 | goto fail_exit; | |
877 | ||
e97e673c S |
878 | if (megasas_alloc_cmdlist_fusion(instance)) |
879 | goto fail_exit; | |
880 | ||
881 | dev_info(&instance->pdev->dev, "Configured max firmware commands: %d\n", | |
882 | instance->max_fw_cmds); | |
179ac142 SS |
883 | |
884 | /* The first 256 bytes (SMID 0) is not used. Don't add to the cmd list */ | |
885 | io_req_base = fusion->io_request_frames + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
886 | io_req_base_phys = fusion->io_request_frames_phys + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
9c915a8c | 887 | |
888 | /* | |
889 | * Add all the commands to command pool (fusion->cmd_pool) | |
890 | */ | |
891 | ||
892 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
69c337c0 | 893 | for (i = 0; i < instance->max_mpt_cmds; i++) { |
9c915a8c | 894 | cmd = fusion->cmd_list[i]; |
895 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
896 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
897 | cmd->index = i + 1; | |
898 | cmd->scmd = NULL; | |
69c337c0 SC |
899 | cmd->sync_cmd_idx = |
900 | (i >= instance->max_scsi_cmds && i < instance->max_fw_cmds) ? | |
4026e9aa SS |
901 | (i - instance->max_scsi_cmds) : |
902 | (u32)ULONG_MAX; /* Set to Invalid */ | |
9c915a8c | 903 | cmd->instance = instance; |
904 | cmd->io_request = | |
905 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
906 | (io_req_base + offset); | |
907 | memset(cmd->io_request, 0, | |
908 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
909 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
8bf7c65d | 910 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; |
9c915a8c | 911 | } |
912 | ||
179ac142 SS |
913 | if (megasas_create_sg_sense_fusion(instance)) |
914 | goto fail_exit; | |
9c915a8c | 915 | |
916 | return 0; | |
917 | ||
179ac142 SS |
918 | fail_exit: |
919 | megasas_free_cmds_fusion(instance); | |
9c915a8c | 920 | return -ENOMEM; |
921 | } | |
922 | ||
923 | /** | |
924 | * wait_and_poll - Issues a polling command | |
925 | * @instance: Adapter soft state | |
926 | * @cmd: Command packet to be issued | |
927 | * | |
928 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
929 | */ | |
930 | int | |
229fe47c | 931 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
932 | int seconds) | |
9c915a8c | 933 | { |
934 | int i; | |
935 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 936 | struct fusion_context *fusion; |
9c915a8c | 937 | |
229fe47c | 938 | u32 msecs = seconds * 1000; |
9c915a8c | 939 | |
90dc9d98 | 940 | fusion = instance->ctrl_context; |
9c915a8c | 941 | /* |
942 | * Wait for cmd_status to change | |
943 | */ | |
944 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
945 | rmb(); | |
946 | msleep(20); | |
947 | } | |
948 | ||
6d40afbc SS |
949 | if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS) |
950 | return DCMD_TIMEOUT; | |
951 | else if (frame_hdr->cmd_status == MFI_STAT_OK) | |
952 | return DCMD_SUCCESS; | |
953 | else | |
954 | return DCMD_FAILED; | |
9c915a8c | 955 | } |
956 | ||
957 | /** | |
958 | * megasas_ioc_init_fusion - Initializes the FW | |
959 | * @instance: Adapter soft state | |
960 | * | |
961 | * Issues the IOC Init cmd | |
962 | */ | |
963 | int | |
964 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
965 | { | |
966 | struct megasas_init_frame *init_frame; | |
179ac142 | 967 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage = NULL; |
9c915a8c | 968 | dma_addr_t ioc_init_handle; |
9c915a8c | 969 | struct megasas_cmd *cmd; |
179ac142 | 970 | u8 ret, cur_rdpq_mode; |
9c915a8c | 971 | struct fusion_context *fusion; |
c77a9bd8 | 972 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c | 973 | int i; |
974 | struct megasas_header *frame_hdr; | |
5765c5b8 | 975 | const char *sys_info; |
4dbbe3ce | 976 | MFI_CAPABILITIES *drv_ops; |
179ac142 | 977 | u32 scratch_pad_2; |
b45093dd | 978 | ktime_t time; |
107a60dd | 979 | bool cur_fw_64bit_dma_capable; |
9c915a8c | 980 | |
981 | fusion = instance->ctrl_context; | |
982 | ||
9b3d028f S |
983 | ioc_init_handle = fusion->ioc_init_request_phys; |
984 | IOCInitMessage = fusion->ioc_init_request; | |
9c915a8c | 985 | |
b9637d14 | 986 | cmd = fusion->ioc_init_cmd; |
9c915a8c | 987 | |
179ac142 SS |
988 | scratch_pad_2 = readl |
989 | (&instance->reg_set->outbound_scratch_pad_2); | |
990 | ||
991 | cur_rdpq_mode = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? 1 : 0; | |
992 | ||
107a60dd S |
993 | if (instance->adapter_type == INVADER_SERIES) { |
994 | cur_fw_64bit_dma_capable = | |
995 | (scratch_pad_2 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET) ? true : false; | |
996 | ||
997 | if (instance->consistent_mask_64bit && !cur_fw_64bit_dma_capable) { | |
998 | dev_err(&instance->pdev->dev, "Driver was operating on 64bit " | |
999 | "DMA mask, but upcoming FW does not support 64bit DMA mask\n"); | |
1000 | megaraid_sas_kill_hba(instance); | |
1001 | ret = 1; | |
1002 | goto fail_fw_init; | |
1003 | } | |
1004 | } | |
1005 | ||
179ac142 SS |
1006 | if (instance->is_rdpq && !cur_rdpq_mode) { |
1007 | dev_err(&instance->pdev->dev, "Firmware downgrade *NOT SUPPORTED*" | |
1008 | " from RDPQ mode to non RDPQ mode\n"); | |
1009 | ret = 1; | |
1010 | goto fail_fw_init; | |
1011 | } | |
1012 | ||
d0fc91d6 KD |
1013 | instance->fw_sync_cache_support = (scratch_pad_2 & |
1014 | MR_CAN_HANDLE_SYNC_CACHE_OFFSET) ? 1 : 0; | |
1015 | dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n", | |
1016 | instance->fw_sync_cache_support ? "Yes" : "No"); | |
1017 | ||
9c915a8c | 1018 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); |
1019 | ||
1020 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
1021 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
1022 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
1023 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
1024 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
1025 | ||
1026 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
179ac142 SS |
1027 | IOCInitMessage->ReplyDescriptorPostQueueAddress = instance->is_rdpq ? |
1028 | cpu_to_le64(fusion->rdpq_phys) : | |
1029 | cpu_to_le64(fusion->reply_frames_desc_phys[0]); | |
1030 | IOCInitMessage->MsgFlags = instance->is_rdpq ? | |
1031 | MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE : 0; | |
94cd65dd | 1032 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); |
107a60dd | 1033 | IOCInitMessage->SenseBufferAddressHigh = cpu_to_le32(upper_32_bits(fusion->sense_phys_addr)); |
5738f996 | 1034 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
15dd0381 | 1035 | IOCInitMessage->HostPageSize = MR_DEFAULT_NVME_PAGE_SHIFT; |
b99fc202 | 1036 | |
b45093dd | 1037 | time = ktime_get_real(); |
b99fc202 | 1038 | /* Convert to milliseconds as per FW requirement */ |
b45093dd | 1039 | IOCInitMessage->TimeStamp = cpu_to_le64(ktime_to_ms(time)); |
b99fc202 | 1040 | |
9c915a8c | 1041 | init_frame = (struct megasas_init_frame *)cmd->frame; |
cb51efeb | 1042 | memset(init_frame, 0, IOC_INIT_FRAME_SIZE); |
9c915a8c | 1043 | |
1044 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 1045 | frame_hdr->cmd_status = 0xFF; |
48433bd7 CH |
1046 | frame_hdr->flags = cpu_to_le16( |
1047 | le16_to_cpu(frame_hdr->flags) | | |
1048 | MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); | |
9c915a8c | 1049 | |
1050 | init_frame->cmd = MFI_CMD_INIT; | |
1051 | init_frame->cmd_status = 0xFF; | |
1052 | ||
4dbbe3ce | 1053 | drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations); |
1054 | ||
d46a3ad6 | 1055 | /* driver support Extended MSIX */ |
c365178f | 1056 | if (instance->adapter_type >= INVADER_SERIES) |
4dbbe3ce | 1057 | drv_ops->mfi_capabilities.support_additional_msix = 1; |
21c9e160 | 1058 | /* driver supports HA / Remote LUN over Fast Path interface */ |
4dbbe3ce | 1059 | drv_ops->mfi_capabilities.support_fp_remote_lun = 1; |
1060 | ||
1061 | drv_ops->mfi_capabilities.support_max_255lds = 1; | |
1062 | drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1; | |
1063 | drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1; | |
1064 | ||
bd5f9484 | 1065 | if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN) |
1066 | drv_ops->mfi_capabilities.support_ext_io_size = 1; | |
1067 | ||
8f05024c | 1068 | drv_ops->mfi_capabilities.support_fp_rlbypass = 1; |
308ec459 SS |
1069 | if (!dual_qdepth_disable) |
1070 | drv_ops->mfi_capabilities.support_ext_queue_depth = 1; | |
8f05024c | 1071 | |
52b62ac7 | 1072 | drv_ops->mfi_capabilities.support_qd_throttling = 1; |
ede7c3ce | 1073 | drv_ops->mfi_capabilities.support_pd_map_target_id = 1; |
f870bcbe | 1074 | drv_ops->mfi_capabilities.support_nvme_passthru = 1; |
107a60dd S |
1075 | |
1076 | if (instance->consistent_mask_64bit) | |
1077 | drv_ops->mfi_capabilities.support_64bit_mode = 1; | |
1078 | ||
94cd65dd SS |
1079 | /* Convert capability to LE32 */ |
1080 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 1081 | |
5765c5b8 SS |
1082 | sys_info = dmi_get_system_info(DMI_PRODUCT_UUID); |
1083 | if (instance->system_info_buf && sys_info) { | |
1084 | memcpy(instance->system_info_buf->systemId, sys_info, | |
1085 | strlen(sys_info) > 64 ? 64 : strlen(sys_info)); | |
1086 | instance->system_info_buf->systemIdLength = | |
1087 | strlen(sys_info) > 64 ? 64 : strlen(sys_info); | |
107a60dd S |
1088 | init_frame->system_info_lo = cpu_to_le32(lower_32_bits(instance->system_info_h)); |
1089 | init_frame->system_info_hi = cpu_to_le32(upper_32_bits(instance->system_info_h)); | |
5765c5b8 SS |
1090 | } |
1091 | ||
fdc5a97c HR |
1092 | init_frame->queue_info_new_phys_addr_hi = |
1093 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
1094 | init_frame->queue_info_new_phys_addr_lo = | |
1095 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 1096 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 1097 | |
200aed58 SS |
1098 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
1099 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 1100 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 1101 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 1102 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 1103 | |
1104 | /* | |
1105 | * disable the intr before firing the init frame | |
1106 | */ | |
d46a3ad6 | 1107 | instance->instancet->disable_intr(instance); |
9c915a8c | 1108 | |
1109 | for (i = 0; i < (10 * 1000); i += 20) { | |
1110 | if (readl(&instance->reg_set->doorbell) & 1) | |
1111 | msleep(20); | |
1112 | else | |
1113 | break; | |
1114 | } | |
1115 | ||
9ff97fa8 | 1116 | megasas_fire_cmd_fusion(instance, &req_desc); |
9c915a8c | 1117 | |
229fe47c | 1118 | wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); |
9c915a8c | 1119 | |
1120 | frame_hdr = &cmd->frame->hdr; | |
1121 | if (frame_hdr->cmd_status != 0) { | |
1122 | ret = 1; | |
1123 | goto fail_fw_init; | |
1124 | } | |
9c915a8c | 1125 | |
fb1633d5 | 1126 | return 0; |
9c915a8c | 1127 | |
1128 | fail_fw_init: | |
2d2c2331 | 1129 | dev_err(&instance->pdev->dev, |
fb1633d5 VL |
1130 | "Init cmd return status FAILED for SCSI host %d\n", |
1131 | instance->host->host_no); | |
2d2c2331 | 1132 | |
9c915a8c | 1133 | return ret; |
1134 | } | |
1135 | ||
3761cb4c | 1136 | /** |
1137 | * megasas_sync_pd_seq_num - JBOD SEQ MAP | |
1138 | * @instance: Adapter soft state | |
1139 | * @pend: set to 1, if it is pended jbod map. | |
1140 | * | |
1141 | * Issue Jbod map to the firmware. If it is pended command, | |
1142 | * issue command and return. If it is first instance of jbod map | |
1143 | * issue and receive command. | |
1144 | */ | |
1145 | int | |
1146 | megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { | |
1147 | int ret = 0; | |
1148 | u32 pd_seq_map_sz; | |
1149 | struct megasas_cmd *cmd; | |
1150 | struct megasas_dcmd_frame *dcmd; | |
1151 | struct fusion_context *fusion = instance->ctrl_context; | |
1152 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
1153 | dma_addr_t pd_seq_h; | |
1154 | ||
1155 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)]; | |
1156 | pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)]; | |
1157 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + | |
1158 | (sizeof(struct MR_PD_CFG_SEQ) * | |
1159 | (MAX_PHYSICAL_DEVICES - 1)); | |
1160 | ||
1161 | cmd = megasas_get_cmd(instance); | |
1162 | if (!cmd) { | |
1163 | dev_err(&instance->pdev->dev, | |
1164 | "Could not get mfi cmd. Fail from %s %d\n", | |
1165 | __func__, __LINE__); | |
1166 | return -ENOMEM; | |
1167 | } | |
1168 | ||
1169 | dcmd = &cmd->frame->dcmd; | |
1170 | ||
1171 | memset(pd_sync, 0, pd_seq_map_sz); | |
1172 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
107a60dd S |
1173 | |
1174 | if (pend) { | |
1175 | dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
1176 | dcmd->flags = MFI_FRAME_DIR_WRITE; | |
1177 | instance->jbod_seq_cmd = cmd; | |
1178 | } else { | |
1179 | dcmd->flags = MFI_FRAME_DIR_READ; | |
1180 | } | |
1181 | ||
3761cb4c | 1182 | dcmd->cmd = MFI_CMD_DCMD; |
1183 | dcmd->cmd_status = 0xFF; | |
1184 | dcmd->sge_count = 1; | |
1185 | dcmd->timeout = 0; | |
1186 | dcmd->pad_0 = 0; | |
1187 | dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz); | |
1188 | dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO); | |
107a60dd S |
1189 | |
1190 | megasas_set_dma_settings(instance, dcmd, pd_seq_h, pd_seq_map_sz); | |
3761cb4c | 1191 | |
1192 | if (pend) { | |
3761cb4c | 1193 | instance->instancet->issue_dcmd(instance, cmd); |
1194 | return 0; | |
1195 | } | |
1196 | ||
3761cb4c | 1197 | /* Below code is only for non pended DCMD */ |
55fecaec | 1198 | if (!instance->mask_interrupts) |
6d40afbc SS |
1199 | ret = megasas_issue_blocked_cmd(instance, cmd, |
1200 | MFI_IO_TIMEOUT_SECS); | |
3761cb4c | 1201 | else |
1202 | ret = megasas_issue_polled(instance, cmd); | |
1203 | ||
1204 | if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) { | |
1205 | dev_warn(&instance->pdev->dev, | |
1206 | "driver supports max %d JBOD, but FW reports %d\n", | |
1207 | MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count)); | |
1208 | ret = -EINVAL; | |
1209 | } | |
1210 | ||
55fecaec | 1211 | if (ret == DCMD_TIMEOUT) |
6d40afbc SS |
1212 | megaraid_sas_kill_hba(instance); |
1213 | ||
1214 | if (ret == DCMD_SUCCESS) | |
3761cb4c | 1215 | instance->pd_seq_map_id++; |
1216 | ||
1217 | megasas_return_cmd(instance, cmd); | |
1218 | return ret; | |
1219 | } | |
1220 | ||
9c915a8c | 1221 | /* |
1222 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
1223 | * @instance: Adapter soft state | |
1224 | * @pend: Pend the command or not | |
1225 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1226 | * list structure. This information is mainly used to find out SYSTEM | |
1227 | * supported by the FW. | |
51087a86 SS |
1228 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
1229 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
1230 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
1231 | * - 1 - pend till config change | |
1232 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
1233 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
1234 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c | 1235 | */ |
1236 | static int | |
1237 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
1238 | { | |
1239 | int ret = 0; | |
1240 | struct megasas_cmd *cmd; | |
1241 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 1242 | void *ci; |
9c915a8c | 1243 | dma_addr_t ci_h = 0; |
1244 | u32 size_map_info; | |
1245 | struct fusion_context *fusion; | |
1246 | ||
1247 | cmd = megasas_get_cmd(instance); | |
1248 | ||
1249 | if (!cmd) { | |
1be18254 | 1250 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for map info\n"); |
9c915a8c | 1251 | return -ENOMEM; |
1252 | } | |
1253 | ||
1254 | fusion = instance->ctrl_context; | |
1255 | ||
1256 | if (!fusion) { | |
1257 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 1258 | return -ENXIO; |
9c915a8c | 1259 | } |
1260 | ||
1261 | dcmd = &cmd->frame->dcmd; | |
1262 | ||
51087a86 | 1263 | size_map_info = fusion->current_map_sz; |
9c915a8c | 1264 | |
51087a86 | 1265 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c | 1266 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
1267 | ||
1268 | if (!ci) { | |
1be18254 | 1269 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ld_map_info\n"); |
9c915a8c | 1270 | megasas_return_cmd(instance, cmd); |
1271 | return -ENOMEM; | |
1272 | } | |
1273 | ||
51087a86 | 1274 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1275 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
9c915a8c | 1276 | dcmd->cmd = MFI_CMD_DCMD; |
1277 | dcmd->cmd_status = 0xFF; | |
1278 | dcmd->sge_count = 1; | |
107a60dd | 1279 | dcmd->flags = MFI_FRAME_DIR_READ; |
9c915a8c | 1280 | dcmd->timeout = 0; |
1281 | dcmd->pad_0 = 0; | |
94cd65dd SS |
1282 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
1283 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
9c915a8c | 1284 | |
107a60dd | 1285 | megasas_set_dma_settings(instance, dcmd, ci_h, size_map_info); |
9c915a8c | 1286 | |
55fecaec | 1287 | if (!instance->mask_interrupts) |
90dc9d98 | 1288 | ret = megasas_issue_blocked_cmd(instance, cmd, |
6d40afbc | 1289 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
1290 | else |
1291 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 1292 | |
55fecaec | 1293 | if (ret == DCMD_TIMEOUT) |
6d40afbc SS |
1294 | megaraid_sas_kill_hba(instance); |
1295 | ||
4026e9aa | 1296 | megasas_return_cmd(instance, cmd); |
9c915a8c | 1297 | |
1298 | return ret; | |
1299 | } | |
1300 | ||
1301 | u8 | |
1302 | megasas_get_map_info(struct megasas_instance *instance) | |
1303 | { | |
1304 | struct fusion_context *fusion = instance->ctrl_context; | |
1305 | ||
1306 | fusion->fast_path_io = 0; | |
1307 | if (!megasas_get_ld_map_info(instance)) { | |
5f19f7c8 | 1308 | if (MR_ValidateMapInfo(instance, instance->map_id)) { |
9c915a8c | 1309 | fusion->fast_path_io = 1; |
1310 | return 0; | |
1311 | } | |
1312 | } | |
1313 | return 1; | |
1314 | } | |
1315 | ||
1316 | /* | |
1317 | * megasas_sync_map_info - Returns FW's ld_map structure | |
1318 | * @instance: Adapter soft state | |
1319 | * | |
1320 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1321 | * list structure. This information is mainly used to find out SYSTEM | |
1322 | * supported by the FW. | |
1323 | */ | |
1324 | int | |
1325 | megasas_sync_map_info(struct megasas_instance *instance) | |
1326 | { | |
f4fc2093 | 1327 | int i; |
9c915a8c | 1328 | struct megasas_cmd *cmd; |
1329 | struct megasas_dcmd_frame *dcmd; | |
d2d0358b S |
1330 | u16 num_lds; |
1331 | u32 size_sync_info; | |
9c915a8c | 1332 | struct fusion_context *fusion; |
1333 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 1334 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c | 1335 | struct MR_LD_RAID *raid; |
1336 | struct MR_LD_TARGET_SYNC *ld_sync; | |
1337 | dma_addr_t ci_h = 0; | |
1338 | u32 size_map_info; | |
1339 | ||
1340 | cmd = megasas_get_cmd(instance); | |
1341 | ||
1342 | if (!cmd) { | |
1be18254 | 1343 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for sync info\n"); |
9c915a8c | 1344 | return -ENOMEM; |
1345 | } | |
1346 | ||
1347 | fusion = instance->ctrl_context; | |
1348 | ||
1349 | if (!fusion) { | |
1350 | megasas_return_cmd(instance, cmd); | |
1351 | return 1; | |
1352 | } | |
1353 | ||
51087a86 | 1354 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 1355 | |
6e755ddc | 1356 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c | 1357 | |
1358 | dcmd = &cmd->frame->dcmd; | |
1359 | ||
1360 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
1361 | ||
1362 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1363 | ||
1364 | ci = (struct MR_LD_TARGET_SYNC *) | |
1365 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 1366 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1367 | |
1368 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
1369 | ||
1370 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
1371 | ||
1372 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
1373 | raid = MR_LdRaidGet(i, map); | |
1374 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
1375 | ld_sync->seqNum = raid->seqNum; | |
1376 | } | |
1377 | ||
51087a86 | 1378 | size_map_info = fusion->current_map_sz; |
9c915a8c | 1379 | |
1380 | dcmd->cmd = MFI_CMD_DCMD; | |
1381 | dcmd->cmd_status = 0xFF; | |
1382 | dcmd->sge_count = 1; | |
107a60dd | 1383 | dcmd->flags = MFI_FRAME_DIR_WRITE; |
9c915a8c | 1384 | dcmd->timeout = 0; |
1385 | dcmd->pad_0 = 0; | |
94cd65dd | 1386 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c | 1387 | dcmd->mbox.b[0] = num_lds; |
1388 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd | 1389 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
107a60dd S |
1390 | |
1391 | megasas_set_dma_settings(instance, dcmd, ci_h, size_map_info); | |
9c915a8c | 1392 | |
1393 | instance->map_update_cmd = cmd; | |
1394 | ||
1395 | instance->instancet->issue_dcmd(instance, cmd); | |
1396 | ||
f4fc2093 | 1397 | return 0; |
9c915a8c | 1398 | } |
1399 | ||
39b72c3c SS |
1400 | /* |
1401 | * meagasas_display_intel_branding - Display branding string | |
1402 | * @instance: per adapter object | |
1403 | * | |
1404 | * Return nothing. | |
1405 | */ | |
1406 | static void | |
1407 | megasas_display_intel_branding(struct megasas_instance *instance) | |
1408 | { | |
1409 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
1410 | return; | |
1411 | ||
1412 | switch (instance->pdev->device) { | |
1413 | case PCI_DEVICE_ID_LSI_INVADER: | |
1414 | switch (instance->pdev->subsystem_device) { | |
1415 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
1416 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1417 | instance->host->host_no, | |
1418 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
1419 | break; | |
1420 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
1421 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1422 | instance->host->host_no, | |
1423 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
1424 | break; | |
1425 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
1426 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1427 | instance->host->host_no, | |
1428 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
1429 | break; | |
1430 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
1431 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1432 | instance->host->host_no, | |
1433 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
1434 | break; | |
1435 | default: | |
1436 | break; | |
1437 | } | |
1438 | break; | |
1439 | case PCI_DEVICE_ID_LSI_FURY: | |
1440 | switch (instance->pdev->subsystem_device) { | |
1441 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
1442 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1443 | instance->host->host_no, | |
1444 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
1445 | break; | |
1446 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
1447 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1448 | instance->host->host_no, | |
1449 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
1450 | break; | |
1451 | default: | |
1452 | break; | |
1453 | } | |
1454 | break; | |
7364d34b | 1455 | case PCI_DEVICE_ID_LSI_CUTLASS_52: |
1456 | case PCI_DEVICE_ID_LSI_CUTLASS_53: | |
1457 | switch (instance->pdev->subsystem_device) { | |
1458 | case MEGARAID_INTEL_RMS3BC160_SSDID: | |
1459 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1460 | instance->host->host_no, | |
1461 | MEGARAID_INTEL_RMS3BC160_BRANDING); | |
1462 | break; | |
1463 | default: | |
1464 | break; | |
1465 | } | |
1466 | break; | |
39b72c3c SS |
1467 | default: |
1468 | break; | |
1469 | } | |
1470 | } | |
1471 | ||
def3e8df S |
1472 | /** |
1473 | * megasas_allocate_raid_maps - Allocate memory for RAID maps | |
1474 | * @instance: Adapter soft state | |
1475 | * | |
1476 | * return: if success: return 0 | |
1477 | * failed: return -ENOMEM | |
1478 | */ | |
1479 | static inline int megasas_allocate_raid_maps(struct megasas_instance *instance) | |
1480 | { | |
1481 | struct fusion_context *fusion; | |
1482 | int i = 0; | |
1483 | ||
1484 | fusion = instance->ctrl_context; | |
1485 | ||
1486 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); | |
1487 | ||
1488 | for (i = 0; i < 2; i++) { | |
1489 | fusion->ld_map[i] = NULL; | |
1490 | ||
1491 | fusion->ld_drv_map[i] = (void *) | |
1492 | __get_free_pages(__GFP_ZERO | GFP_KERNEL, | |
1493 | fusion->drv_map_pages); | |
1494 | ||
1495 | if (!fusion->ld_drv_map[i]) { | |
1496 | fusion->ld_drv_map[i] = vzalloc(fusion->drv_map_sz); | |
1497 | ||
1498 | if (!fusion->ld_drv_map[i]) { | |
1499 | dev_err(&instance->pdev->dev, | |
1500 | "Could not allocate memory for local map" | |
1501 | " size requested: %d\n", | |
1502 | fusion->drv_map_sz); | |
1503 | goto ld_drv_map_alloc_fail; | |
1504 | } | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | for (i = 0; i < 2; i++) { | |
1509 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
1510 | fusion->max_map_sz, | |
1511 | &fusion->ld_map_phys[i], | |
1512 | GFP_KERNEL); | |
1513 | if (!fusion->ld_map[i]) { | |
1514 | dev_err(&instance->pdev->dev, | |
1515 | "Could not allocate memory for map info %s:%d\n", | |
1516 | __func__, __LINE__); | |
1517 | goto ld_map_alloc_fail; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | return 0; | |
1522 | ||
1523 | ld_map_alloc_fail: | |
1524 | for (i = 0; i < 2; i++) { | |
1525 | if (fusion->ld_map[i]) | |
1526 | dma_free_coherent(&instance->pdev->dev, | |
1527 | fusion->max_map_sz, | |
1528 | fusion->ld_map[i], | |
1529 | fusion->ld_map_phys[i]); | |
1530 | } | |
1531 | ||
1532 | ld_drv_map_alloc_fail: | |
1533 | for (i = 0; i < 2; i++) { | |
1534 | if (fusion->ld_drv_map[i]) { | |
1535 | if (is_vmalloc_addr(fusion->ld_drv_map[i])) | |
1536 | vfree(fusion->ld_drv_map[i]); | |
1537 | else | |
1538 | free_pages((ulong)fusion->ld_drv_map[i], | |
1539 | fusion->drv_map_pages); | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | return -ENOMEM; | |
1544 | } | |
1545 | ||
e97e673c S |
1546 | /** |
1547 | * megasas_configure_queue_sizes - Calculate size of request desc queue, | |
1548 | * reply desc queue, | |
1549 | * IO request frame queue, set can_queue. | |
1550 | * @instance: Adapter soft state | |
1551 | * @return: void | |
1552 | */ | |
1553 | static inline | |
1554 | void megasas_configure_queue_sizes(struct megasas_instance *instance) | |
1555 | { | |
1556 | struct fusion_context *fusion; | |
1557 | u16 max_cmd; | |
1558 | ||
1559 | fusion = instance->ctrl_context; | |
1560 | max_cmd = instance->max_fw_cmds; | |
1561 | ||
1562 | if (instance->adapter_type == VENTURA_SERIES) | |
1563 | instance->max_mpt_cmds = instance->max_fw_cmds * RAID_1_PEER_CMDS; | |
1564 | else | |
1565 | instance->max_mpt_cmds = instance->max_fw_cmds; | |
1566 | ||
1567 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
1568 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
1569 | MEGASAS_FUSION_IOCTL_CMDS); | |
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 | ||
1630 | if (fusion->ioc_init_cmd) | |
1631 | kfree(fusion->ioc_init_cmd); | |
1632 | } | |
1633 | ||
9c915a8c | 1634 | /** |
1635 | * megasas_init_adapter_fusion - Initializes the FW | |
1636 | * @instance: Adapter soft state | |
1637 | * | |
1638 | * This is the main function for initializing firmware. | |
1639 | */ | |
1640 | u32 | |
1641 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
1642 | { | |
1643 | struct megasas_register_set __iomem *reg_set; | |
1644 | struct fusion_context *fusion; | |
50b7f5a2 | 1645 | u32 scratch_pad_2; |
c8e858fe | 1646 | int i = 0, count; |
9c915a8c | 1647 | |
1648 | fusion = instance->ctrl_context; | |
1649 | ||
1650 | reg_set = instance->reg_set; | |
1651 | ||
308ec459 | 1652 | megasas_fusion_update_can_queue(instance, PROBE_CONTEXT); |
9c915a8c | 1653 | |
ae09a6c1 SS |
1654 | /* |
1655 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1656 | */ | |
1657 | instance->max_mfi_cmds = | |
1658 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c | 1659 | |
e97e673c | 1660 | megasas_configure_queue_sizes(instance); |
9c915a8c | 1661 | |
bd5f9484 | 1662 | scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2); |
1663 | /* If scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set, | |
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 | */ | |
1669 | if (scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK) | |
1670 | instance->max_chain_frame_sz = | |
1671 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
1672 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO; | |
1673 | else | |
1674 | instance->max_chain_frame_sz = | |
1675 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
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 | 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 | 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 | 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 | 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 | 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 | 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 | 1759 | return 1; |
1760 | } | |
1761 | ||
9c915a8c | 1762 | /** |
1763 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1764 | * @cmd : Pointer to cmd | |
1765 | * @status : status of cmd returned by FW | |
1766 | * @ext_status : ext status of cmd returned by FW | |
1767 | */ | |
1768 | ||
1769 | void | |
69c337c0 | 1770 | map_cmd_status(struct fusion_context *fusion, |
41064f1b S |
1771 | struct scsi_cmnd *scmd, u8 status, u8 ext_status, |
1772 | u32 data_length, u8 *sense) | |
9c915a8c | 1773 | { |
def0eab3 | 1774 | u8 cmd_type; |
31d9a57b | 1775 | int resid; |
9c915a8c | 1776 | |
def0eab3 | 1777 | cmd_type = megasas_cmd_type(scmd); |
9c915a8c | 1778 | switch (status) { |
1779 | ||
1780 | case MFI_STAT_OK: | |
69c337c0 | 1781 | scmd->result = DID_OK << 16; |
9c915a8c | 1782 | break; |
1783 | ||
1784 | case MFI_STAT_SCSI_IO_FAILED: | |
1785 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
69c337c0 | 1786 | scmd->result = (DID_ERROR << 16) | ext_status; |
9c915a8c | 1787 | break; |
1788 | ||
1789 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1790 | ||
69c337c0 | 1791 | scmd->result = (DID_OK << 16) | ext_status; |
9c915a8c | 1792 | if (ext_status == SAM_STAT_CHECK_CONDITION) { |
69c337c0 | 1793 | memset(scmd->sense_buffer, 0, |
9c915a8c | 1794 | SCSI_SENSE_BUFFERSIZE); |
69c337c0 | 1795 | memcpy(scmd->sense_buffer, sense, |
9c915a8c | 1796 | SCSI_SENSE_BUFFERSIZE); |
69c337c0 | 1797 | scmd->result |= DRIVER_SENSE << 24; |
9c915a8c | 1798 | } |
31d9a57b S |
1799 | |
1800 | /* | |
1801 | * If the IO request is partially completed, then MR FW will | |
1802 | * update "io_request->DataLength" field with actual number of | |
1803 | * bytes transferred.Driver will set residual bytes count in | |
1804 | * SCSI command structure. | |
1805 | */ | |
1806 | resid = (scsi_bufflen(scmd) - data_length); | |
1807 | scsi_set_resid(scmd, resid); | |
def0eab3 S |
1808 | |
1809 | if (resid && | |
1810 | ((cmd_type == READ_WRITE_LDIO) || | |
1811 | (cmd_type == READ_WRITE_SYSPDIO))) | |
1812 | scmd_printk(KERN_INFO, scmd, "BRCM Debug mfi stat 0x%x, data len" | |
1813 | " requested/completed 0x%x/0x%x\n", | |
1814 | status, scsi_bufflen(scmd), data_length); | |
9c915a8c | 1815 | break; |
1816 | ||
1817 | case MFI_STAT_LD_OFFLINE: | |
1818 | case MFI_STAT_DEVICE_NOT_FOUND: | |
69c337c0 | 1819 | scmd->result = DID_BAD_TARGET << 16; |
9c915a8c | 1820 | break; |
36807e67 | 1821 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
69c337c0 | 1822 | scmd->result = DID_IMM_RETRY << 16; |
36807e67 | 1823 | break; |
9c915a8c | 1824 | default: |
69c337c0 | 1825 | scmd->result = DID_ERROR << 16; |
9c915a8c | 1826 | break; |
1827 | } | |
1828 | } | |
1829 | ||
33203bc4 S |
1830 | /** |
1831 | * megasas_is_prp_possible - | |
1832 | * Checks if native NVMe PRPs can be built for the IO | |
1833 | * | |
1834 | * @instance: Adapter soft state | |
1835 | * @scmd: SCSI command from the mid-layer | |
1836 | * @sge_count: scatter gather element count. | |
1837 | * | |
1838 | * Returns: true: PRPs can be built | |
1839 | * false: IEEE SGLs needs to be built | |
1840 | */ | |
1841 | static bool | |
1842 | megasas_is_prp_possible(struct megasas_instance *instance, | |
1843 | struct scsi_cmnd *scmd, int sge_count) | |
1844 | { | |
1845 | struct fusion_context *fusion; | |
1846 | int i; | |
1847 | u32 data_length = 0; | |
1848 | struct scatterlist *sg_scmd; | |
1849 | bool build_prp = false; | |
1850 | u32 mr_nvme_pg_size; | |
1851 | ||
1852 | mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, | |
1853 | MR_DEFAULT_NVME_PAGE_SIZE); | |
1854 | fusion = instance->ctrl_context; | |
1855 | data_length = scsi_bufflen(scmd); | |
1856 | sg_scmd = scsi_sglist(scmd); | |
1857 | ||
1858 | /* | |
1859 | * NVMe uses one PRP for each page (or part of a page) | |
1860 | * look at the data length - if 4 pages or less then IEEE is OK | |
1861 | * if > 5 pages then we need to build a native SGL | |
1862 | * if > 4 and <= 5 pages, then check physical address of 1st SG entry | |
1863 | * if this first size in the page is >= the residual beyond 4 pages | |
1864 | * then use IEEE, otherwise use native SGL | |
1865 | */ | |
1866 | ||
1867 | if (data_length > (mr_nvme_pg_size * 5)) { | |
1868 | build_prp = true; | |
1869 | } else if ((data_length > (mr_nvme_pg_size * 4)) && | |
1870 | (data_length <= (mr_nvme_pg_size * 5))) { | |
1871 | /* check if 1st SG entry size is < residual beyond 4 pages */ | |
1872 | if (sg_dma_len(sg_scmd) < (data_length - (mr_nvme_pg_size * 4))) | |
1873 | build_prp = true; | |
1874 | } | |
1875 | ||
1876 | /* | |
1877 | * Below code detects gaps/holes in IO data buffers. | |
1878 | * What does holes/gaps mean? | |
1879 | * Any SGE except first one in a SGL starts at non NVME page size | |
1880 | * aligned address OR Any SGE except last one in a SGL ends at | |
1881 | * non NVME page size boundary. | |
1882 | * | |
1883 | * Driver has already informed block layer by setting boundary rules for | |
1884 | * bio merging done at NVME page size boundary calling kernel API | |
1885 | * blk_queue_virt_boundary inside slave_config. | |
1886 | * Still there is possibility of IO coming with holes to driver because of | |
1887 | * IO merging done by IO scheduler. | |
1888 | * | |
1889 | * With SCSI BLK MQ enabled, there will be no IO with holes as there is no | |
1890 | * IO scheduling so no IO merging. | |
1891 | * | |
1892 | * With SCSI BLK MQ disabled, IO scheduler may attempt to merge IOs and | |
1893 | * then sending IOs with holes. | |
1894 | * | |
1895 | * Though driver can request block layer to disable IO merging by calling- | |
8b904b5b | 1896 | * blk_queue_flag_set(QUEUE_FLAG_NOMERGES, sdev->request_queue) but |
33203bc4 S |
1897 | * user may tune sysfs parameter- nomerges again to 0 or 1. |
1898 | * | |
1899 | * If in future IO scheduling is enabled with SCSI BLK MQ, | |
1900 | * this algorithm to detect holes will be required in driver | |
1901 | * for SCSI BLK MQ enabled case as well. | |
1902 | * | |
1903 | * | |
1904 | */ | |
1905 | scsi_for_each_sg(scmd, sg_scmd, sge_count, i) { | |
1906 | if ((i != 0) && (i != (sge_count - 1))) { | |
1907 | if (mega_mod64(sg_dma_len(sg_scmd), mr_nvme_pg_size) || | |
1908 | mega_mod64(sg_dma_address(sg_scmd), | |
1909 | mr_nvme_pg_size)) { | |
1910 | build_prp = false; | |
1911 | atomic_inc(&instance->sge_holes_type1); | |
1912 | break; | |
1913 | } | |
1914 | } | |
1915 | ||
1916 | if ((sge_count > 1) && (i == 0)) { | |
1917 | if ((mega_mod64((sg_dma_address(sg_scmd) + | |
1918 | sg_dma_len(sg_scmd)), | |
1919 | mr_nvme_pg_size))) { | |
1920 | build_prp = false; | |
1921 | atomic_inc(&instance->sge_holes_type2); | |
1922 | break; | |
1923 | } | |
1924 | } | |
1925 | ||
1926 | if ((sge_count > 1) && (i == (sge_count - 1))) { | |
1927 | if (mega_mod64(sg_dma_address(sg_scmd), | |
1928 | mr_nvme_pg_size)) { | |
1929 | build_prp = false; | |
1930 | atomic_inc(&instance->sge_holes_type3); | |
1931 | break; | |
1932 | } | |
1933 | } | |
1934 | } | |
1935 | ||
1936 | return build_prp; | |
1937 | } | |
1938 | ||
1939 | /** | |
1940 | * megasas_make_prp_nvme - | |
1941 | * Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only | |
1942 | * | |
1943 | * @instance: Adapter soft state | |
1944 | * @scmd: SCSI command from the mid-layer | |
1945 | * @sgl_ptr: SGL to be filled in | |
1946 | * @cmd: Fusion command frame | |
1947 | * @sge_count: scatter gather element count. | |
1948 | * | |
1949 | * Returns: true: PRPs are built | |
1950 | * false: IEEE SGLs needs to be built | |
1951 | */ | |
1952 | static bool | |
1953 | megasas_make_prp_nvme(struct megasas_instance *instance, struct scsi_cmnd *scmd, | |
1954 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
1955 | struct megasas_cmd_fusion *cmd, int sge_count) | |
1956 | { | |
1957 | int sge_len, offset, num_prp_in_chain = 0; | |
1958 | struct MPI25_IEEE_SGE_CHAIN64 *main_chain_element, *ptr_first_sgl; | |
d1da522f AB |
1959 | u64 *ptr_sgl; |
1960 | dma_addr_t ptr_sgl_phys; | |
33203bc4 S |
1961 | u64 sge_addr; |
1962 | u32 page_mask, page_mask_result; | |
1963 | struct scatterlist *sg_scmd; | |
1964 | u32 first_prp_len; | |
1965 | bool build_prp = false; | |
1966 | int data_len = scsi_bufflen(scmd); | |
1967 | struct fusion_context *fusion; | |
1968 | u32 mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, | |
1969 | MR_DEFAULT_NVME_PAGE_SIZE); | |
1970 | ||
1971 | fusion = instance->ctrl_context; | |
1972 | ||
1973 | build_prp = megasas_is_prp_possible(instance, scmd, sge_count); | |
1974 | ||
1975 | if (!build_prp) | |
1976 | return false; | |
1977 | ||
1978 | /* | |
1979 | * Nvme has a very convoluted prp format. One prp is required | |
1980 | * for each page or partial page. Driver need to split up OS sg_list | |
1981 | * entries if it is longer than one page or cross a page | |
1982 | * boundary. Driver also have to insert a PRP list pointer entry as | |
1983 | * the last entry in each physical page of the PRP list. | |
1984 | * | |
1985 | * NOTE: The first PRP "entry" is actually placed in the first | |
1986 | * SGL entry in the main message as IEEE 64 format. The 2nd | |
1987 | * entry in the main message is the chain element, and the rest | |
1988 | * of the PRP entries are built in the contiguous pcie buffer. | |
1989 | */ | |
1990 | page_mask = mr_nvme_pg_size - 1; | |
1991 | ptr_sgl = (u64 *)cmd->sg_frame; | |
d1da522f | 1992 | ptr_sgl_phys = cmd->sg_frame_phys_addr; |
33203bc4 S |
1993 | memset(ptr_sgl, 0, instance->max_chain_frame_sz); |
1994 | ||
1995 | /* Build chain frame element which holds all prps except first*/ | |
1996 | main_chain_element = (struct MPI25_IEEE_SGE_CHAIN64 *) | |
1997 | ((u8 *)sgl_ptr + sizeof(struct MPI25_IEEE_SGE_CHAIN64)); | |
1998 | ||
d1da522f | 1999 | main_chain_element->Address = cpu_to_le64(ptr_sgl_phys); |
33203bc4 S |
2000 | main_chain_element->NextChainOffset = 0; |
2001 | main_chain_element->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2002 | IEEE_SGE_FLAGS_SYSTEM_ADDR | | |
2003 | MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP; | |
2004 | ||
2005 | /* Build first prp, sge need not to be page aligned*/ | |
2006 | ptr_first_sgl = sgl_ptr; | |
2007 | sg_scmd = scsi_sglist(scmd); | |
2008 | sge_addr = sg_dma_address(sg_scmd); | |
2009 | sge_len = sg_dma_len(sg_scmd); | |
2010 | ||
2011 | offset = (u32)(sge_addr & page_mask); | |
2012 | first_prp_len = mr_nvme_pg_size - offset; | |
2013 | ||
2014 | ptr_first_sgl->Address = cpu_to_le64(sge_addr); | |
2015 | ptr_first_sgl->Length = cpu_to_le32(first_prp_len); | |
2016 | ||
2017 | data_len -= first_prp_len; | |
2018 | ||
2019 | if (sge_len > first_prp_len) { | |
2020 | sge_addr += first_prp_len; | |
2021 | sge_len -= first_prp_len; | |
2022 | } else if (sge_len == first_prp_len) { | |
2023 | sg_scmd = sg_next(sg_scmd); | |
2024 | sge_addr = sg_dma_address(sg_scmd); | |
2025 | sge_len = sg_dma_len(sg_scmd); | |
2026 | } | |
2027 | ||
2028 | for (;;) { | |
2029 | offset = (u32)(sge_addr & page_mask); | |
2030 | ||
2031 | /* Put PRP pointer due to page boundary*/ | |
2032 | page_mask_result = (uintptr_t)(ptr_sgl + 1) & page_mask; | |
2033 | if (unlikely(!page_mask_result)) { | |
2034 | scmd_printk(KERN_NOTICE, | |
2035 | scmd, "page boundary ptr_sgl: 0x%p\n", | |
2036 | ptr_sgl); | |
d1da522f AB |
2037 | ptr_sgl_phys += 8; |
2038 | *ptr_sgl = cpu_to_le64(ptr_sgl_phys); | |
33203bc4 S |
2039 | ptr_sgl++; |
2040 | num_prp_in_chain++; | |
2041 | } | |
2042 | ||
2043 | *ptr_sgl = cpu_to_le64(sge_addr); | |
2044 | ptr_sgl++; | |
d1da522f | 2045 | ptr_sgl_phys += 8; |
33203bc4 S |
2046 | num_prp_in_chain++; |
2047 | ||
2048 | sge_addr += mr_nvme_pg_size; | |
2049 | sge_len -= mr_nvme_pg_size; | |
2050 | data_len -= mr_nvme_pg_size; | |
2051 | ||
2052 | if (data_len <= 0) | |
2053 | break; | |
2054 | ||
2055 | if (sge_len > 0) | |
2056 | continue; | |
2057 | ||
2058 | sg_scmd = sg_next(sg_scmd); | |
2059 | sge_addr = sg_dma_address(sg_scmd); | |
2060 | sge_len = sg_dma_len(sg_scmd); | |
2061 | } | |
2062 | ||
2063 | main_chain_element->Length = | |
2064 | cpu_to_le32(num_prp_in_chain * sizeof(u64)); | |
2065 | ||
2066 | atomic_inc(&instance->prp_sgl); | |
2067 | return build_prp; | |
2068 | } | |
2069 | ||
9c915a8c | 2070 | /** |
2071 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
2072 | * @instance: Adapter soft state | |
2073 | * @scp: SCSI command from the mid-layer | |
2074 | * @sgl_ptr: SGL to be filled in | |
2075 | * @cmd: cmd we are working on | |
33203bc4 | 2076 | * @sge_count sge count |
9c915a8c | 2077 | * |
9c915a8c | 2078 | */ |
33203bc4 | 2079 | static void |
9c915a8c | 2080 | megasas_make_sgl_fusion(struct megasas_instance *instance, |
2081 | struct scsi_cmnd *scp, | |
2082 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
33203bc4 | 2083 | struct megasas_cmd_fusion *cmd, int sge_count) |
9c915a8c | 2084 | { |
33203bc4 | 2085 | int i, sg_processed; |
9c915a8c | 2086 | struct scatterlist *os_sgl; |
2087 | struct fusion_context *fusion; | |
2088 | ||
2089 | fusion = instance->ctrl_context; | |
2090 | ||
c365178f | 2091 | if (instance->adapter_type >= INVADER_SERIES) { |
36807e67 | 2092 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
2093 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2094 | sgl_ptr_end->Flags = 0; | |
2095 | } | |
9c915a8c | 2096 | |
9c915a8c | 2097 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
2098 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
2099 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 2100 | sgl_ptr->Flags = 0; |
c365178f | 2101 | if (instance->adapter_type >= INVADER_SERIES) |
36807e67 | 2102 | if (i == sge_count - 1) |
2103 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
9c915a8c | 2104 | sgl_ptr++; |
9c915a8c | 2105 | sg_processed = i + 1; |
2106 | ||
2107 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
2108 | (sge_count > fusion->max_sge_in_main_msg)) { | |
2109 | ||
2110 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
c365178f | 2111 | if (instance->adapter_type >= INVADER_SERIES) { |
94cd65dd SS |
2112 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
2113 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
2114 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 | 2115 | cmd->io_request->ChainOffset = |
2116 | fusion-> | |
2117 | chain_offset_io_request; | |
2118 | else | |
2119 | cmd->io_request->ChainOffset = 0; | |
2120 | } else | |
2121 | cmd->io_request->ChainOffset = | |
2122 | fusion->chain_offset_io_request; | |
2123 | ||
9c915a8c | 2124 | sg_chain = sgl_ptr; |
2125 | /* Prepare chain element */ | |
2126 | sg_chain->NextChainOffset = 0; | |
c365178f | 2127 | if (instance->adapter_type >= INVADER_SERIES) |
36807e67 | 2128 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
2129 | else | |
2130 | sg_chain->Flags = | |
2131 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2132 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
2133 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
2134 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c | 2135 | |
2136 | sgl_ptr = | |
2137 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
bd5f9484 | 2138 | memset(sgl_ptr, 0, instance->max_chain_frame_sz); |
9c915a8c | 2139 | } |
2140 | } | |
33203bc4 S |
2141 | atomic_inc(&instance->ieee_sgl); |
2142 | } | |
2143 | ||
2144 | /** | |
2145 | * megasas_make_sgl - Build Scatter Gather List(SGLs) | |
2146 | * @scp: SCSI command pointer | |
2147 | * @instance: Soft instance of controller | |
2148 | * @cmd: Fusion command pointer | |
2149 | * | |
2150 | * This function will build sgls based on device type. | |
2151 | * For nvme drives, there is different way of building sgls in nvme native | |
2152 | * format- PRPs(Physical Region Page). | |
2153 | * | |
2154 | * Returns the number of sg lists actually used, zero if the sg lists | |
2155 | * is NULL, or -ENOMEM if the mapping failed | |
2156 | */ | |
2157 | static | |
2158 | int megasas_make_sgl(struct megasas_instance *instance, struct scsi_cmnd *scp, | |
2159 | struct megasas_cmd_fusion *cmd) | |
2160 | { | |
2161 | int sge_count; | |
2162 | bool build_prp = false; | |
2163 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_chain64; | |
2164 | ||
2165 | sge_count = scsi_dma_map(scp); | |
2166 | ||
2167 | if ((sge_count > instance->max_num_sge) || (sge_count <= 0)) | |
2168 | return sge_count; | |
2169 | ||
2170 | sgl_chain64 = (struct MPI25_IEEE_SGE_CHAIN64 *)&cmd->io_request->SGL; | |
2171 | if ((le16_to_cpu(cmd->io_request->IoFlags) & | |
2172 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) && | |
2173 | (cmd->pd_interface == NVME_PD)) | |
2174 | build_prp = megasas_make_prp_nvme(instance, scp, sgl_chain64, | |
2175 | cmd, sge_count); | |
2176 | ||
2177 | if (!build_prp) | |
2178 | megasas_make_sgl_fusion(instance, scp, sgl_chain64, | |
2179 | cmd, sge_count); | |
9c915a8c | 2180 | |
2181 | return sge_count; | |
2182 | } | |
2183 | ||
2184 | /** | |
2185 | * megasas_set_pd_lba - Sets PD LBA | |
2186 | * @cdb: CDB | |
2187 | * @cdb_len: cdb length | |
2188 | * @start_blk: Start block of IO | |
2189 | * | |
2190 | * Used to set the PD LBA in CDB for FP IOs | |
2191 | */ | |
2192 | void | |
2193 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
2194 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 2195 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c | 2196 | { |
2197 | struct MR_LD_RAID *raid; | |
d2d0358b | 2198 | u16 ld; |
9c915a8c | 2199 | u64 start_blk = io_info->pdBlock; |
2200 | u8 *cdb = io_request->CDB.CDB32; | |
2201 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 2202 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c | 2203 | |
2204 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
2205 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
2206 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2207 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
2208 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2209 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
2210 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
2211 | ||
2212 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
2213 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; | |
2214 | else | |
2215 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
2216 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
2217 | ||
2218 | /* LBA */ | |
2219 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
2220 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
2221 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
2222 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
2223 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
2224 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
2225 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
2226 | cdb[19] = (u8)(start_blk & 0xff); | |
2227 | ||
2228 | /* Logical block reference tag */ | |
2229 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
2230 | cpu_to_be32(ref_tag); | |
6e755ddc | 2231 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 2232 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c | 2233 | |
2234 | /* Transfer length */ | |
2235 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
2236 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
2237 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
2238 | cdb[31] = (u8)(num_blocks & 0xff); | |
2239 | ||
2240 | /* set SCSI IO EEDPFlags */ | |
2241 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) { | |
94cd65dd | 2242 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 2243 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
2244 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
2245 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
2246 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
45d44603 | 2247 | MPI25_SCSIIO_EEDPFLAGS_DO_NOT_DISABLE_MODE | |
94cd65dd | 2248 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 2249 | } else { |
94cd65dd | 2250 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 2251 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 2252 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 2253 | } |
94cd65dd SS |
2254 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
2255 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c | 2256 | } else { |
2257 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
2258 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
2259 | (start_blk <= 0xffffffff)) { | |
2260 | if (cdb_len == 16) { | |
2261 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
2262 | flagvals = cdb[1]; | |
2263 | groupnum = cdb[14]; | |
2264 | control = cdb[15]; | |
2265 | } else { | |
2266 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
2267 | flagvals = cdb[1]; | |
2268 | groupnum = cdb[10]; | |
2269 | control = cdb[11]; | |
2270 | } | |
2271 | ||
2272 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2273 | ||
2274 | cdb[0] = opcode; | |
2275 | cdb[1] = flagvals; | |
2276 | cdb[6] = groupnum; | |
2277 | cdb[9] = control; | |
2278 | ||
2279 | /* Transfer length */ | |
2280 | cdb[8] = (u8)(num_blocks & 0xff); | |
2281 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
2282 | ||
94cd65dd | 2283 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 2284 | cdb_len = 10; |
495c5609 | 2285 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
2286 | /* Convert to 16 byte CDB for large LBA's */ | |
2287 | switch (cdb_len) { | |
2288 | case 6: | |
2289 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
2290 | control = cdb[5]; | |
2291 | break; | |
2292 | case 10: | |
2293 | opcode = | |
2294 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
2295 | flagvals = cdb[1]; | |
2296 | groupnum = cdb[6]; | |
2297 | control = cdb[9]; | |
2298 | break; | |
2299 | case 12: | |
2300 | opcode = | |
2301 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
2302 | flagvals = cdb[1]; | |
2303 | groupnum = cdb[10]; | |
2304 | control = cdb[11]; | |
2305 | break; | |
2306 | } | |
2307 | ||
2308 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
2309 | ||
2310 | cdb[0] = opcode; | |
2311 | cdb[1] = flagvals; | |
2312 | cdb[14] = groupnum; | |
2313 | cdb[15] = control; | |
2314 | ||
2315 | /* Transfer length */ | |
2316 | cdb[13] = (u8)(num_blocks & 0xff); | |
2317 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
2318 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
2319 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
2320 | ||
94cd65dd | 2321 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 2322 | cdb_len = 16; |
9c915a8c | 2323 | } |
2324 | ||
2325 | /* Normal case, just load LBA here */ | |
2326 | switch (cdb_len) { | |
2327 | case 6: | |
2328 | { | |
2329 | u8 val = cdb[1] & 0xE0; | |
2330 | cdb[3] = (u8)(start_blk & 0xff); | |
2331 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
2332 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
2333 | break; | |
2334 | } | |
2335 | case 10: | |
2336 | cdb[5] = (u8)(start_blk & 0xff); | |
2337 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
2338 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
2339 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
2340 | break; | |
2341 | case 12: | |
2342 | cdb[5] = (u8)(start_blk & 0xff); | |
2343 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
2344 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
2345 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
2346 | break; | |
2347 | case 16: | |
2348 | cdb[9] = (u8)(start_blk & 0xff); | |
2349 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
2350 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
2351 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
2352 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
2353 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
2354 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
2355 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
2356 | break; | |
2357 | } | |
2358 | } | |
2359 | } | |
2360 | ||
fdd84e25 SC |
2361 | /** |
2362 | * megasas_stream_detect - stream detection on read and and write IOs | |
2363 | * @instance: Adapter soft state | |
2364 | * @cmd: Command to be prepared | |
2365 | * @io_info: IO Request info | |
2366 | * | |
2367 | */ | |
2368 | ||
2369 | /** stream detection on read and and write IOs */ | |
2370 | static void megasas_stream_detect(struct megasas_instance *instance, | |
41064f1b S |
2371 | struct megasas_cmd_fusion *cmd, |
2372 | struct IO_REQUEST_INFO *io_info) | |
fdd84e25 SC |
2373 | { |
2374 | struct fusion_context *fusion = instance->ctrl_context; | |
2375 | u32 device_id = io_info->ldTgtId; | |
2376 | struct LD_STREAM_DETECT *current_ld_sd | |
2377 | = fusion->stream_detect_by_ld[device_id]; | |
2378 | u32 *track_stream = ¤t_ld_sd->mru_bit_map, stream_num; | |
2379 | u32 shifted_values, unshifted_values; | |
2380 | u32 index_value_mask, shifted_values_mask; | |
2381 | int i; | |
2382 | bool is_read_ahead = false; | |
2383 | struct STREAM_DETECT *current_sd; | |
2384 | /* find possible stream */ | |
2385 | for (i = 0; i < MAX_STREAMS_TRACKED; ++i) { | |
41064f1b S |
2386 | stream_num = (*track_stream >> |
2387 | (i * BITS_PER_INDEX_STREAM)) & | |
fdd84e25 SC |
2388 | STREAM_MASK; |
2389 | current_sd = ¤t_ld_sd->stream_track[stream_num]; | |
41064f1b S |
2390 | /* if we found a stream, update the raid |
2391 | * context and also update the mruBitMap | |
2392 | */ | |
2393 | /* boundary condition */ | |
2394 | if ((current_sd->next_seq_lba) && | |
2395 | (io_info->ldStartBlock >= current_sd->next_seq_lba) && | |
2396 | (io_info->ldStartBlock <= (current_sd->next_seq_lba + 32)) && | |
2397 | (current_sd->is_read == io_info->isRead)) { | |
2398 | ||
2399 | if ((io_info->ldStartBlock != current_sd->next_seq_lba) && | |
2400 | ((!io_info->isRead) || (!is_read_ahead))) | |
2401 | /* | |
2402 | * Once the API availible we need to change this. | |
2403 | * At this point we are not allowing any gap | |
2404 | */ | |
2405 | continue; | |
2406 | ||
2407 | SET_STREAM_DETECTED(cmd->io_request->RaidContext.raid_context_g35); | |
2408 | current_sd->next_seq_lba = | |
2409 | io_info->ldStartBlock + io_info->numBlocks; | |
fdd84e25 | 2410 | /* |
41064f1b | 2411 | * update the mruBitMap LRU |
fdd84e25 | 2412 | */ |
41064f1b S |
2413 | shifted_values_mask = |
2414 | (1 << i * BITS_PER_INDEX_STREAM) - 1; | |
2415 | shifted_values = ((*track_stream & shifted_values_mask) | |
2416 | << BITS_PER_INDEX_STREAM); | |
2417 | index_value_mask = | |
2418 | STREAM_MASK << i * BITS_PER_INDEX_STREAM; | |
2419 | unshifted_values = | |
2420 | *track_stream & ~(shifted_values_mask | | |
2421 | index_value_mask); | |
2422 | *track_stream = | |
2423 | unshifted_values | shifted_values | stream_num; | |
2424 | return; | |
fdd84e25 | 2425 | } |
fdd84e25 SC |
2426 | } |
2427 | /* | |
2428 | * if we did not find any stream, create a new one | |
2429 | * from the least recently used | |
2430 | */ | |
41064f1b S |
2431 | stream_num = (*track_stream >> |
2432 | ((MAX_STREAMS_TRACKED - 1) * BITS_PER_INDEX_STREAM)) & | |
2433 | STREAM_MASK; | |
fdd84e25 SC |
2434 | current_sd = ¤t_ld_sd->stream_track[stream_num]; |
2435 | current_sd->is_read = io_info->isRead; | |
2436 | current_sd->next_seq_lba = io_info->ldStartBlock + io_info->numBlocks; | |
41064f1b | 2437 | *track_stream = (((*track_stream & ZERO_LAST_STREAM) << 4) | stream_num); |
fdd84e25 | 2438 | return; |
fdd84e25 SC |
2439 | } |
2440 | ||
f6c0d55c S |
2441 | /** |
2442 | * megasas_set_raidflag_cpu_affinity - This function sets the cpu | |
2443 | * affinity (cpu of the controller) and raid_flags in the raid context | |
2444 | * based on IO type. | |
2445 | * | |
2446 | * @praid_context: IO RAID context | |
2447 | * @raid: LD raid map | |
2448 | * @fp_possible: Is fast path possible? | |
2449 | * @is_read: Is read IO? | |
2450 | * | |
2451 | */ | |
2452 | static void | |
2453 | megasas_set_raidflag_cpu_affinity(union RAID_CONTEXT_UNION *praid_context, | |
2454 | struct MR_LD_RAID *raid, bool fp_possible, | |
a48ba0ec | 2455 | u8 is_read, u32 scsi_buff_len) |
f6c0d55c S |
2456 | { |
2457 | u8 cpu_sel = MR_RAID_CTX_CPUSEL_0; | |
2458 | struct RAID_CONTEXT_G35 *rctx_g35; | |
2459 | ||
2460 | rctx_g35 = &praid_context->raid_context_g35; | |
2461 | if (fp_possible) { | |
2462 | if (is_read) { | |
2463 | if ((raid->cpuAffinity.pdRead.cpu0) && | |
2464 | (raid->cpuAffinity.pdRead.cpu1)) | |
2465 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2466 | else if (raid->cpuAffinity.pdRead.cpu1) | |
2467 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2468 | } else { | |
2469 | if ((raid->cpuAffinity.pdWrite.cpu0) && | |
2470 | (raid->cpuAffinity.pdWrite.cpu1)) | |
2471 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2472 | else if (raid->cpuAffinity.pdWrite.cpu1) | |
2473 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2474 | /* Fast path cache by pass capable R0/R1 VD */ | |
2475 | if ((raid->level <= 1) && | |
2476 | (raid->capability.fp_cache_bypass_capable)) { | |
a174118b S |
2477 | rctx_g35->routing_flags |= |
2478 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SLD_SHIFT); | |
f6c0d55c S |
2479 | rctx_g35->raid_flags = |
2480 | (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS | |
2481 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); | |
2482 | } | |
2483 | } | |
2484 | } else { | |
2485 | if (is_read) { | |
2486 | if ((raid->cpuAffinity.ldRead.cpu0) && | |
2487 | (raid->cpuAffinity.ldRead.cpu1)) | |
2488 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2489 | else if (raid->cpuAffinity.ldRead.cpu1) | |
2490 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2491 | } else { | |
2492 | if ((raid->cpuAffinity.ldWrite.cpu0) && | |
2493 | (raid->cpuAffinity.ldWrite.cpu1)) | |
2494 | cpu_sel = MR_RAID_CTX_CPUSEL_FCFS; | |
2495 | else if (raid->cpuAffinity.ldWrite.cpu1) | |
2496 | cpu_sel = MR_RAID_CTX_CPUSEL_1; | |
2497 | ||
a174118b | 2498 | if (is_stream_detected(rctx_g35) && |
874d025d | 2499 | ((raid->level == 5) || (raid->level == 6)) && |
f6c0d55c S |
2500 | (raid->writeMode == MR_RL_WRITE_THROUGH_MODE) && |
2501 | (cpu_sel == MR_RAID_CTX_CPUSEL_FCFS)) | |
2502 | cpu_sel = MR_RAID_CTX_CPUSEL_0; | |
2503 | } | |
2504 | } | |
2505 | ||
a174118b S |
2506 | rctx_g35->routing_flags |= |
2507 | (cpu_sel << MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT); | |
a48ba0ec S |
2508 | |
2509 | /* Always give priority to MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT | |
2510 | * vs MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS. | |
2511 | * IO Subtype is not bitmap. | |
2512 | */ | |
2513 | if ((raid->level == 1) && (!is_read)) { | |
2514 | if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE) | |
2515 | praid_context->raid_context_g35.raid_flags = | |
2516 | (MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT | |
2517 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); | |
2518 | } | |
f6c0d55c S |
2519 | } |
2520 | ||
9c915a8c | 2521 | /** |
2522 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
2523 | * @instance: Adapter soft state | |
2524 | * @scp: SCSI command | |
2525 | * @cmd: Command to be prepared | |
2526 | * | |
2527 | * Prepares the io_request and chain elements (sg_frame) for IO | |
2528 | * The IO can be for PD (Fast Path) or LD | |
2529 | */ | |
2530 | void | |
2531 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
2532 | struct scsi_cmnd *scp, | |
2533 | struct megasas_cmd_fusion *cmd) | |
2534 | { | |
f6c0d55c S |
2535 | bool fp_possible; |
2536 | u16 ld; | |
2537 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; | |
2538 | u32 scsi_buff_len; | |
9c915a8c | 2539 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
2540 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2541 | struct IO_REQUEST_INFO io_info; | |
2542 | struct fusion_context *fusion; | |
51087a86 | 2543 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 2544 | u8 *raidLUN; |
fdd84e25 | 2545 | unsigned long spinlock_flags; |
d889344e | 2546 | union RAID_CONTEXT_UNION *praid_context; |
f6c0d55c S |
2547 | struct MR_LD_RAID *raid = NULL; |
2548 | struct MR_PRIV_DEVICE *mrdev_priv; | |
9c915a8c | 2549 | |
4a5c814d | 2550 | device_id = MEGASAS_DEV_INDEX(scp); |
9c915a8c | 2551 | |
2552 | fusion = instance->ctrl_context; | |
2553 | ||
2554 | io_request = cmd->io_request; | |
d889344e | 2555 | io_request->RaidContext.raid_context.virtual_disk_tgt_id = |
fdd84e25 SC |
2556 | cpu_to_le16(device_id); |
2557 | io_request->RaidContext.raid_context.status = 0; | |
d889344e | 2558 | io_request->RaidContext.raid_context.ex_status = 0; |
9c915a8c | 2559 | |
2560 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
2561 | ||
2562 | start_lba_lo = 0; | |
2563 | start_lba_hi = 0; | |
f6c0d55c | 2564 | fp_possible = false; |
9c915a8c | 2565 | |
2566 | /* | |
2567 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
2568 | */ | |
2569 | if (scp->cmd_len == 6) { | |
f9eff815 | 2570 | datalength = (u32) scp->cmnd[4]; |
9c915a8c | 2571 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
2572 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
2573 | ||
2574 | start_lba_lo &= 0x1FFFFF; | |
2575 | } | |
2576 | ||
2577 | /* | |
2578 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
2579 | */ | |
2580 | else if (scp->cmd_len == 10) { | |
f9eff815 | 2581 | datalength = (u32) scp->cmnd[8] | |
9c915a8c | 2582 | ((u32) scp->cmnd[7] << 8); |
2583 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
2584 | ((u32) scp->cmnd[3] << 16) | | |
2585 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2586 | } | |
2587 | ||
2588 | /* | |
2589 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
2590 | */ | |
2591 | else if (scp->cmd_len == 12) { | |
f9eff815 | 2592 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c | 2593 | ((u32) scp->cmnd[7] << 16) | |
2594 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
2595 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
2596 | ((u32) scp->cmnd[3] << 16) | | |
2597 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2598 | } | |
2599 | ||
2600 | /* | |
2601 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
2602 | */ | |
2603 | else if (scp->cmd_len == 16) { | |
f9eff815 | 2604 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c | 2605 | ((u32) scp->cmnd[11] << 16) | |
2606 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
2607 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
2608 | ((u32) scp->cmnd[7] << 16) | | |
2609 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
2610 | ||
2611 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
2612 | ((u32) scp->cmnd[3] << 16) | | |
2613 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
2614 | } | |
2615 | ||
2616 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
2617 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 2618 | io_info.numBlocks = datalength; |
9c915a8c | 2619 | io_info.ldTgtId = device_id; |
8bf7c65d | 2620 | io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID; |
f6c0d55c S |
2621 | scsi_buff_len = scsi_bufflen(scp); |
2622 | io_request->DataLength = cpu_to_le32(scsi_buff_len); | |
9c915a8c | 2623 | |
2624 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
2625 | io_info.isRead = 1; | |
2626 | ||
51087a86 | 2627 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
d889344e | 2628 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
9c915a8c | 2629 | |
d2d0358b S |
2630 | if (ld < instance->fw_supported_vd_count) |
2631 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2632 | ||
2633 | if (!raid || (!fusion->fast_path_io)) { | |
d889344e | 2634 | io_request->RaidContext.raid_context.reg_lock_flags = 0; |
f6c0d55c | 2635 | fp_possible = false; |
9c915a8c | 2636 | } else { |
36807e67 | 2637 | if (MR_BuildRaidContext(instance, &io_info, |
fdd84e25 | 2638 | &io_request->RaidContext.raid_context, |
21c9e160 | 2639 | local_map_ptr, &raidLUN)) |
f6c0d55c | 2640 | fp_possible = (io_info.fpOkForIo > 0) ? true : false; |
9c915a8c | 2641 | } |
2642 | ||
adbe5523 ML |
2643 | cmd->request_desc->SCSIIO.MSIxIndex = |
2644 | instance->reply_map[raw_smp_processor_id()]; | |
c8e858fe | 2645 | |
f6c0d55c S |
2646 | praid_context = &io_request->RaidContext; |
2647 | ||
f369a315 | 2648 | if (instance->adapter_type == VENTURA_SERIES) { |
a48ba0ec S |
2649 | /* FP for Optimal raid level 1. |
2650 | * All large RAID-1 writes (> 32 KiB, both WT and WB modes) | |
2651 | * are built by the driver as LD I/Os. | |
2652 | * All small RAID-1 WT writes (<= 32 KiB) are built as FP I/Os | |
2653 | * (there is never a reason to process these as buffered writes) | |
2654 | * All small RAID-1 WB writes (<= 32 KiB) are built as FP I/Os | |
2655 | * with the SLD bit asserted. | |
2656 | */ | |
8bf7c65d | 2657 | if (io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) { |
f6c0d55c S |
2658 | mrdev_priv = scp->device->hostdata; |
2659 | ||
2660 | if (atomic_inc_return(&instance->fw_outstanding) > | |
2661 | (instance->host->can_queue)) { | |
2662 | fp_possible = false; | |
2663 | atomic_dec(&instance->fw_outstanding); | |
a48ba0ec | 2664 | } else if ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) || |
49524b3c | 2665 | (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0)) { |
a48ba0ec S |
2666 | fp_possible = false; |
2667 | atomic_dec(&instance->fw_outstanding); | |
2668 | if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE) | |
2669 | atomic_set(&mrdev_priv->r1_ldio_hint, | |
2670 | instance->r1_ldio_hint_default); | |
f6c0d55c S |
2671 | } |
2672 | } | |
2673 | ||
4959e61b S |
2674 | if (!fp_possible || |
2675 | (io_info.isRead && io_info.ra_capable)) { | |
2676 | spin_lock_irqsave(&instance->stream_lock, | |
2677 | spinlock_flags); | |
2678 | megasas_stream_detect(instance, cmd, &io_info); | |
2679 | spin_unlock_irqrestore(&instance->stream_lock, | |
2680 | spinlock_flags); | |
2681 | /* In ventura if stream detected for a read and it is | |
2682 | * read ahead capable make this IO as LDIO | |
2683 | */ | |
2684 | if (is_stream_detected(&io_request->RaidContext.raid_context_g35)) | |
2685 | fp_possible = false; | |
2686 | } | |
2687 | ||
f6c0d55c S |
2688 | /* If raid is NULL, set CPU affinity to default CPU0 */ |
2689 | if (raid) | |
2690 | megasas_set_raidflag_cpu_affinity(praid_context, | |
a48ba0ec S |
2691 | raid, fp_possible, io_info.isRead, |
2692 | scsi_buff_len); | |
f6c0d55c | 2693 | else |
a174118b S |
2694 | praid_context->raid_context_g35.routing_flags |= |
2695 | (MR_RAID_CTX_CPUSEL_0 << MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT); | |
f6c0d55c | 2696 | } |
d889344e | 2697 | |
9c915a8c | 2698 | if (fp_possible) { |
2699 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
2700 | local_map_ptr, start_lba_lo); | |
9c915a8c | 2701 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
2702 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2703 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO |
9c915a8c | 2704 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
c365178f | 2705 | if (instance->adapter_type == INVADER_SERIES) { |
d889344e | 2706 | if (io_request->RaidContext.raid_context.reg_lock_flags == |
36807e67 | 2707 | REGION_TYPE_UNUSED) |
2708 | cmd->request_desc->SCSIIO.RequestFlags = | |
2709 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
2710 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
d889344e | 2711 | io_request->RaidContext.raid_context.type |
fdd84e25 SC |
2712 | = MPI2_TYPE_CUDA; |
2713 | io_request->RaidContext.raid_context.nseg = 0x1; | |
94cd65dd | 2714 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
d889344e | 2715 | io_request->RaidContext.raid_context.reg_lock_flags |= |
36807e67 | 2716 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | |
2717 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
f369a315 | 2718 | } else if (instance->adapter_type == VENTURA_SERIES) { |
a174118b S |
2719 | io_request->RaidContext.raid_context_g35.nseg_type |= |
2720 | (1 << RAID_CONTEXT_NSEG_SHIFT); | |
2721 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
2722 | (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
2723 | io_request->RaidContext.raid_context_g35.routing_flags |= | |
2724 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); | |
d889344e | 2725 | io_request->IoFlags |= |
a174118b | 2726 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 | 2727 | } |
5fc499b6 S |
2728 | if (fusion->load_balance_info && |
2729 | (fusion->load_balance_info[device_id].loadBalanceFlag) && | |
2730 | (io_info.isRead)) { | |
9c915a8c | 2731 | io_info.devHandle = |
d2552ebe | 2732 | get_updated_dev_handle(instance, |
9c915a8c | 2733 | &fusion->load_balance_info[device_id], |
33203bc4 | 2734 | &io_info, local_map_ptr); |
9c915a8c | 2735 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; |
d2552ebe | 2736 | cmd->pd_r1_lb = io_info.pd_after_lb; |
f369a315 | 2737 | if (instance->adapter_type == VENTURA_SERIES) |
d889344e SC |
2738 | io_request->RaidContext.raid_context_g35.span_arm |
2739 | = io_info.span_arm; | |
2740 | else | |
2741 | io_request->RaidContext.raid_context.span_arm | |
2742 | = io_info.span_arm; | |
2743 | ||
9c915a8c | 2744 | } else |
2745 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
5765c5b8 | 2746 | |
f369a315 | 2747 | if (instance->adapter_type == VENTURA_SERIES) |
69c337c0 | 2748 | cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle; |
8bf7c65d S |
2749 | else |
2750 | cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID; | |
69c337c0 | 2751 | |
5765c5b8 | 2752 | if ((raidLUN[0] == 1) && |
75b96061 | 2753 | (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) { |
5765c5b8 SS |
2754 | instance->dev_handle = !(instance->dev_handle); |
2755 | io_info.devHandle = | |
2756 | local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; | |
2757 | } | |
2758 | ||
9c915a8c | 2759 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; |
2760 | io_request->DevHandle = io_info.devHandle; | |
33203bc4 | 2761 | cmd->pd_interface = io_info.pd_interface; |
21c9e160 | 2762 | /* populate the LUN field */ |
2763 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c | 2764 | } else { |
d889344e | 2765 | io_request->RaidContext.raid_context.timeout_value = |
94cd65dd | 2766 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c | 2767 | cmd->request_desc->SCSIIO.RequestFlags = |
2768 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
2769 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
c365178f | 2770 | if (instance->adapter_type == INVADER_SERIES) { |
8f05024c | 2771 | if (io_info.do_fp_rlbypass || |
d889344e | 2772 | (io_request->RaidContext.raid_context.reg_lock_flags |
fdd84e25 | 2773 | == REGION_TYPE_UNUSED)) |
36807e67 | 2774 | cmd->request_desc->SCSIIO.RequestFlags = |
2775 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
2776 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
d889344e | 2777 | io_request->RaidContext.raid_context.type |
fdd84e25 | 2778 | = MPI2_TYPE_CUDA; |
d889344e | 2779 | io_request->RaidContext.raid_context.reg_lock_flags |= |
36807e67 | 2780 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | |
2781 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
fdd84e25 | 2782 | io_request->RaidContext.raid_context.nseg = 0x1; |
f369a315 | 2783 | } else if (instance->adapter_type == VENTURA_SERIES) { |
a174118b S |
2784 | io_request->RaidContext.raid_context_g35.routing_flags |= |
2785 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); | |
2786 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
2787 | (1 << RAID_CONTEXT_NSEG_SHIFT); | |
2788 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
2789 | (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
36807e67 | 2790 | } |
2791 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 2792 | io_request->DevHandle = cpu_to_le16(device_id); |
d889344e | 2793 | |
9c915a8c | 2794 | } /* Not FP */ |
2795 | } | |
2796 | ||
2797 | /** | |
4a5c814d | 2798 | * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk |
9c915a8c | 2799 | * @instance: Adapter soft state |
2800 | * @scp: SCSI command | |
2801 | * @cmd: Command to be prepared | |
2802 | * | |
4a5c814d | 2803 | * Prepares the io_request frame for non-rw io cmds for vd. |
9c915a8c | 2804 | */ |
4a5c814d SS |
2805 | static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, |
2806 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd) | |
9c915a8c | 2807 | { |
2808 | u32 device_id; | |
2809 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
25fb13dd | 2810 | u16 ld; |
51087a86 | 2811 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 2812 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 | 2813 | u8 span, physArm; |
9ab9ed38 | 2814 | __le16 devHandle; |
d2d0358b | 2815 | u32 arRef, pd; |
21c9e160 | 2816 | struct MR_LD_RAID *raid; |
2817 | struct RAID_CONTEXT *pRAID_Context; | |
4a5c814d | 2818 | u8 fp_possible = 1; |
9c915a8c | 2819 | |
2820 | io_request = cmd->io_request; | |
4a5c814d | 2821 | device_id = MEGASAS_DEV_INDEX(scmd); |
51087a86 | 2822 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
94cd65dd | 2823 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
4a5c814d | 2824 | /* get RAID_Context pointer */ |
fdd84e25 | 2825 | pRAID_Context = &io_request->RaidContext.raid_context; |
4a5c814d | 2826 | /* Check with FW team */ |
d889344e SC |
2827 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
2828 | pRAID_Context->reg_lock_row_lba = 0; | |
2829 | pRAID_Context->reg_lock_length = 0; | |
21c9e160 | 2830 | |
4a5c814d SS |
2831 | if (fusion->fast_path_io && ( |
2832 | device_id < instance->fw_supported_vd_count)) { | |
ab2f0608 | 2833 | |
21c9e160 | 2834 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
ab2f0608 | 2835 | if (ld >= instance->fw_supported_vd_count) |
4a5c814d | 2836 | fp_possible = 0; |
d2d0358b S |
2837 | else { |
2838 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
2839 | if (!(raid->capability.fpNonRWCapable)) | |
2840 | fp_possible = 0; | |
2841 | } | |
4a5c814d SS |
2842 | } else |
2843 | fp_possible = 0; | |
21c9e160 | 2844 | |
4a5c814d SS |
2845 | if (!fp_possible) { |
2846 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
2847 | io_request->DevHandle = cpu_to_le16(device_id); | |
2848 | io_request->LUN[1] = scmd->device->lun; | |
d889344e | 2849 | pRAID_Context->timeout_value = |
4a5c814d SS |
2850 | cpu_to_le16 (scmd->request->timeout / HZ); |
2851 | cmd->request_desc->SCSIIO.RequestFlags = | |
2852 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2853 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2854 | } else { | |
21c9e160 | 2855 | |
2856 | /* set RAID context values */ | |
d889344e | 2857 | pRAID_Context->config_seq_num = raid->seqNum; |
f369a315 | 2858 | if (instance->adapter_type != VENTURA_SERIES) |
d889344e SC |
2859 | pRAID_Context->reg_lock_flags = REGION_TYPE_SHARED_READ; |
2860 | pRAID_Context->timeout_value = | |
2861 | cpu_to_le16(raid->fpIoTimeoutForLd); | |
21c9e160 | 2862 | |
2863 | /* get the DevHandle for the PD (since this is | |
2864 | fpNonRWCapable, this is a single disk RAID0) */ | |
2865 | span = physArm = 0; | |
2866 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
2867 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
2868 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
2869 | ||
2870 | /* build request descriptor */ | |
2871 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2872 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 2873 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
21c9e160 | 2874 | cmd->request_desc->SCSIIO.DevHandle = devHandle; |
2875 | ||
2876 | /* populate the LUN field */ | |
2877 | memcpy(io_request->LUN, raid->LUN, 8); | |
2878 | ||
2879 | /* build the raidScsiIO structure */ | |
2880 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
2881 | io_request->DevHandle = devHandle; | |
4a5c814d SS |
2882 | } |
2883 | } | |
21c9e160 | 2884 | |
4a5c814d SS |
2885 | /** |
2886 | * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd | |
2887 | * @instance: Adapter soft state | |
2888 | * @scp: SCSI command | |
2889 | * @cmd: Command to be prepared | |
2890 | * @fp_possible: parameter to detect fast path or firmware path io. | |
2891 | * | |
2892 | * Prepares the io_request frame for rw/non-rw io cmds for syspds | |
2893 | */ | |
2894 | static void | |
2895 | megasas_build_syspd_fusion(struct megasas_instance *instance, | |
1d6dbd17 S |
2896 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, |
2897 | bool fp_possible) | |
4a5c814d SS |
2898 | { |
2899 | u32 device_id; | |
2900 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
2901 | u16 pd_index = 0; | |
2902 | u16 os_timeout_value; | |
2903 | u16 timeout_limit; | |
2904 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
2905 | struct RAID_CONTEXT *pRAID_Context; | |
3761cb4c | 2906 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; |
33203bc4 | 2907 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
4a5c814d | 2908 | struct fusion_context *fusion = instance->ctrl_context; |
3761cb4c | 2909 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1]; |
4a5c814d SS |
2910 | |
2911 | device_id = MEGASAS_DEV_INDEX(scmd); | |
2912 | pd_index = MEGASAS_PD_INDEX(scmd); | |
2913 | os_timeout_value = scmd->request->timeout / HZ; | |
33203bc4 S |
2914 | mr_device_priv_data = scmd->device->hostdata; |
2915 | cmd->pd_interface = mr_device_priv_data->interface_type; | |
21c9e160 | 2916 | |
4a5c814d SS |
2917 | io_request = cmd->io_request; |
2918 | /* get RAID_Context pointer */ | |
fdd84e25 | 2919 | pRAID_Context = &io_request->RaidContext.raid_context; |
d889344e SC |
2920 | pRAID_Context->reg_lock_flags = 0; |
2921 | pRAID_Context->reg_lock_row_lba = 0; | |
2922 | pRAID_Context->reg_lock_length = 0; | |
4a5c814d SS |
2923 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
2924 | io_request->LUN[1] = scmd->device->lun; | |
d889344e | 2925 | pRAID_Context->raid_flags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD |
4a5c814d SS |
2926 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; |
2927 | ||
3761cb4c | 2928 | /* If FW supports PD sequence number */ |
2929 | if (instance->use_seqnum_jbod_fp && | |
2930 | instance->pd_list[pd_index].driveType == TYPE_DISK) { | |
2931 | /* TgtId must be incremented by 255 as jbod seq number is index | |
2932 | * below raid map | |
2933 | */ | |
ede7c3ce SC |
2934 | /* More than 256 PD/JBOD support for Ventura */ |
2935 | if (instance->support_morethan256jbod) | |
2936 | pRAID_Context->virtual_disk_tgt_id = | |
2937 | pd_sync->seq[pd_index].pd_target_id; | |
2938 | else | |
a174118b S |
2939 | pRAID_Context->virtual_disk_tgt_id = |
2940 | cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1)); | |
d889344e | 2941 | pRAID_Context->config_seq_num = pd_sync->seq[pd_index].seqNum; |
3761cb4c | 2942 | io_request->DevHandle = pd_sync->seq[pd_index].devHandle; |
f369a315 | 2943 | if (instance->adapter_type == VENTURA_SERIES) { |
a174118b S |
2944 | io_request->RaidContext.raid_context_g35.routing_flags |= |
2945 | (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT); | |
2946 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
2947 | (1 << RAID_CONTEXT_NSEG_SHIFT); | |
2948 | io_request->RaidContext.raid_context_g35.nseg_type |= | |
2949 | (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT); | |
2950 | } else { | |
2951 | pRAID_Context->type = MPI2_TYPE_CUDA; | |
2952 | pRAID_Context->nseg = 0x1; | |
2953 | pRAID_Context->reg_lock_flags |= | |
2954 | (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA); | |
2955 | } | |
3761cb4c | 2956 | } else if (fusion->fast_path_io) { |
d889344e SC |
2957 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
2958 | pRAID_Context->config_seq_num = 0; | |
3761cb4c | 2959 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
2960 | io_request->DevHandle = | |
2961 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; | |
2962 | } else { | |
2963 | /* Want to send all IO via FW path */ | |
d889344e SC |
2964 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); |
2965 | pRAID_Context->config_seq_num = 0; | |
9fb74c4e | 2966 | io_request->DevHandle = cpu_to_le16(0xFFFF); |
3761cb4c | 2967 | } |
4a5c814d SS |
2968 | |
2969 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
4a5c814d | 2970 | |
adbe5523 ML |
2971 | cmd->request_desc->SCSIIO.MSIxIndex = |
2972 | instance->reply_map[raw_smp_processor_id()]; | |
4a5c814d SS |
2973 | |
2974 | if (!fp_possible) { | |
2975 | /* system pd firmware path */ | |
9c915a8c | 2976 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
9c915a8c | 2977 | cmd->request_desc->SCSIIO.RequestFlags = |
2978 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
4a5c814d | 2979 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
d889344e SC |
2980 | pRAID_Context->timeout_value = cpu_to_le16(os_timeout_value); |
2981 | pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id); | |
4a5c814d | 2982 | } else { |
3239b8cd S |
2983 | if (os_timeout_value) |
2984 | os_timeout_value++; | |
2985 | ||
4a5c814d SS |
2986 | /* system pd Fast Path */ |
2987 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4a5c814d SS |
2988 | timeout_limit = (scmd->device->type == TYPE_DISK) ? |
2989 | 255 : 0xFFFF; | |
d889344e | 2990 | pRAID_Context->timeout_value = |
4a5c814d SS |
2991 | cpu_to_le16((os_timeout_value > timeout_limit) ? |
2992 | timeout_limit : os_timeout_value); | |
c365178f | 2993 | if (instance->adapter_type >= INVADER_SERIES) |
4a5c814d SS |
2994 | io_request->IoFlags |= |
2995 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
d5573584 | 2996 | |
4a5c814d | 2997 | cmd->request_desc->SCSIIO.RequestFlags = |
2c048351 | 2998 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 2999 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 3000 | } |
9c915a8c | 3001 | } |
3002 | ||
3003 | /** | |
3004 | * megasas_build_io_fusion - Prepares IOs to devices | |
3005 | * @instance: Adapter soft state | |
3006 | * @scp: SCSI command | |
3007 | * @cmd: Command to be prepared | |
3008 | * | |
3009 | * Invokes helper functions to prepare request frames | |
3010 | * and sets flags appropriate for IO/Non-IO cmd | |
3011 | */ | |
3012 | int | |
3013 | megasas_build_io_fusion(struct megasas_instance *instance, | |
3014 | struct scsi_cmnd *scp, | |
3015 | struct megasas_cmd_fusion *cmd) | |
3016 | { | |
33203bc4 | 3017 | int sge_count; |
4a5c814d | 3018 | u8 cmd_type; |
9c915a8c | 3019 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; |
1d6dbd17 S |
3020 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
3021 | mr_device_priv_data = scp->device->hostdata; | |
9c915a8c | 3022 | |
9c915a8c | 3023 | /* Zero out some fields so they don't get reused */ |
9cb78c16 | 3024 | memset(io_request->LUN, 0x0, 8); |
9c915a8c | 3025 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
3026 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
3027 | io_request->EEDPFlags = 0; | |
3028 | io_request->Control = 0; | |
3029 | io_request->EEDPBlockSize = 0; | |
36807e67 | 3030 | io_request->ChainOffset = 0; |
d889344e SC |
3031 | io_request->RaidContext.raid_context.raid_flags = 0; |
3032 | io_request->RaidContext.raid_context.type = 0; | |
fdd84e25 | 3033 | io_request->RaidContext.raid_context.nseg = 0; |
9c915a8c | 3034 | |
3035 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
3036 | /* | |
3037 | * Just the CDB length,rest of the Flags are zero | |
3038 | * This will be modified for FP in build_ldio_fusion | |
3039 | */ | |
94cd65dd | 3040 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 3041 | |
4a5c814d SS |
3042 | switch (cmd_type = megasas_cmd_type(scp)) { |
3043 | case READ_WRITE_LDIO: | |
9c915a8c | 3044 | megasas_build_ldio_fusion(instance, scp, cmd); |
4a5c814d SS |
3045 | break; |
3046 | case NON_READ_WRITE_LDIO: | |
3047 | megasas_build_ld_nonrw_fusion(instance, scp, cmd); | |
3048 | break; | |
3049 | case READ_WRITE_SYSPDIO: | |
1d6dbd17 S |
3050 | megasas_build_syspd_fusion(instance, scp, cmd, true); |
3051 | break; | |
4a5c814d | 3052 | case NON_READ_WRITE_SYSPDIO: |
1d6dbd17 S |
3053 | if (instance->secure_jbod_support || |
3054 | mr_device_priv_data->is_tm_capable) | |
3055 | megasas_build_syspd_fusion(instance, scp, cmd, false); | |
4a5c814d | 3056 | else |
1d6dbd17 | 3057 | megasas_build_syspd_fusion(instance, scp, cmd, true); |
4a5c814d SS |
3058 | break; |
3059 | default: | |
3060 | break; | |
3061 | } | |
9c915a8c | 3062 | |
3063 | /* | |
3064 | * Construct SGL | |
3065 | */ | |
3066 | ||
33203bc4 | 3067 | sge_count = megasas_make_sgl(instance, scp, cmd); |
9c915a8c | 3068 | |
33203bc4 S |
3069 | if (sge_count > instance->max_num_sge || (sge_count < 0)) { |
3070 | dev_err(&instance->pdev->dev, | |
3071 | "%s %d sge_count (%d) is out of range. Range is: 0-%d\n", | |
3072 | __func__, __LINE__, sge_count, instance->max_num_sge); | |
9c915a8c | 3073 | return 1; |
3074 | } | |
3075 | ||
f369a315 | 3076 | if (instance->adapter_type == VENTURA_SERIES) { |
a174118b S |
3077 | set_num_sge(&io_request->RaidContext.raid_context_g35, sge_count); |
3078 | cpu_to_le16s(&io_request->RaidContext.raid_context_g35.routing_flags); | |
3079 | cpu_to_le16s(&io_request->RaidContext.raid_context_g35.nseg_type); | |
3080 | } else { | |
d889344e SC |
3081 | /* numSGE store lower 8 bit of sge_count. |
3082 | * numSGEExt store higher 8 bit of sge_count | |
3083 | */ | |
3084 | io_request->RaidContext.raid_context.num_sge = sge_count; | |
3085 | io_request->RaidContext.raid_context.num_sge_ext = | |
3086 | (u8)(sge_count >> 8); | |
3087 | } | |
9c915a8c | 3088 | |
94cd65dd | 3089 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c | 3090 | |
3091 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
94cd65dd | 3092 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
9c915a8c | 3093 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) |
94cd65dd | 3094 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c | 3095 | |
3096 | io_request->SGLOffset0 = | |
3097 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
3098 | ||
107a60dd S |
3099 | io_request->SenseBufferLowAddress = |
3100 | cpu_to_le32(lower_32_bits(cmd->sense_phys_addr)); | |
9c915a8c | 3101 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
3102 | ||
3103 | cmd->scmd = scp; | |
3104 | scp->SCp.ptr = (char *)cmd; | |
3105 | ||
3106 | return 0; | |
3107 | } | |
3108 | ||
52205ac8 | 3109 | static union MEGASAS_REQUEST_DESCRIPTOR_UNION * |
9c915a8c | 3110 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) |
3111 | { | |
3112 | u8 *p; | |
3113 | struct fusion_context *fusion; | |
3114 | ||
9c915a8c | 3115 | fusion = instance->ctrl_context; |
69c337c0 SC |
3116 | p = fusion->req_frames_desc + |
3117 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) * index; | |
9c915a8c | 3118 | |
3119 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
3120 | } | |
3121 | ||
69c337c0 SC |
3122 | |
3123 | /* megasas_prepate_secondRaid1_IO | |
3124 | * It prepares the raid 1 second IO | |
3125 | */ | |
3126 | void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance, | |
3127 | struct megasas_cmd_fusion *cmd, | |
3128 | struct megasas_cmd_fusion *r1_cmd) | |
3129 | { | |
3130 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL; | |
3131 | struct fusion_context *fusion; | |
69c337c0 SC |
3132 | fusion = instance->ctrl_context; |
3133 | req_desc = cmd->request_desc; | |
8bf7c65d S |
3134 | /* copy the io request frame as well as 8 SGEs data for r1 command*/ |
3135 | memcpy(r1_cmd->io_request, cmd->io_request, | |
3136 | (sizeof(struct MPI2_RAID_SCSI_IO_REQUEST))); | |
3137 | memcpy(&r1_cmd->io_request->SGL, &cmd->io_request->SGL, | |
3138 | (fusion->max_sge_in_main_msg * sizeof(union MPI2_SGE_IO_UNION))); | |
3139 | /*sense buffer is different for r1 command*/ | |
3140 | r1_cmd->io_request->SenseBufferLowAddress = | |
107a60dd | 3141 | cpu_to_le32(lower_32_bits(r1_cmd->sense_phys_addr)); |
8bf7c65d S |
3142 | r1_cmd->scmd = cmd->scmd; |
3143 | req_desc2 = megasas_get_request_descriptor(instance, | |
3144 | (r1_cmd->index - 1)); | |
3145 | req_desc2->Words = 0; | |
3146 | r1_cmd->request_desc = req_desc2; | |
3147 | req_desc2->SCSIIO.SMID = cpu_to_le16(r1_cmd->index); | |
3148 | req_desc2->SCSIIO.RequestFlags = req_desc->SCSIIO.RequestFlags; | |
3149 | r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle; | |
3150 | r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle; | |
3151 | r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle; | |
3152 | cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid = | |
3153 | cpu_to_le16(r1_cmd->index); | |
3154 | r1_cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid = | |
3155 | cpu_to_le16(cmd->index); | |
3156 | /*MSIxIndex of both commands request descriptors should be same*/ | |
3157 | r1_cmd->request_desc->SCSIIO.MSIxIndex = | |
3158 | cmd->request_desc->SCSIIO.MSIxIndex; | |
3159 | /*span arm is different for r1 cmd*/ | |
3160 | r1_cmd->io_request->RaidContext.raid_context_g35.span_arm = | |
69c337c0 | 3161 | cmd->io_request->RaidContext.raid_context_g35.span_arm + 1; |
69c337c0 SC |
3162 | } |
3163 | ||
9c915a8c | 3164 | /** |
3165 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
3166 | * issuing non IOCTL cmd | |
3167 | * @instance: Adapter soft state | |
3168 | * @scmd: pointer to scsi cmd from OS | |
3169 | */ | |
3170 | static u32 | |
3171 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
3172 | struct scsi_cmnd *scmd) | |
3173 | { | |
69c337c0 | 3174 | struct megasas_cmd_fusion *cmd, *r1_cmd = NULL; |
9c915a8c | 3175 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; |
3176 | u32 index; | |
3177 | struct fusion_context *fusion; | |
3178 | ||
3179 | fusion = instance->ctrl_context; | |
3180 | ||
308ec459 SS |
3181 | if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) && |
3182 | instance->ldio_threshold && | |
3183 | (atomic_inc_return(&instance->ldio_outstanding) > | |
3184 | instance->ldio_threshold)) { | |
3185 | atomic_dec(&instance->ldio_outstanding); | |
3186 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
3187 | } | |
3188 | ||
69c337c0 SC |
3189 | if (atomic_inc_return(&instance->fw_outstanding) > |
3190 | instance->host->can_queue) { | |
69c337c0 SC |
3191 | atomic_dec(&instance->fw_outstanding); |
3192 | return SCSI_MLQUEUE_HOST_BUSY; | |
3193 | } | |
3194 | ||
4026e9aa | 3195 | cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); |
9c915a8c | 3196 | |
69c337c0 SC |
3197 | if (!cmd) { |
3198 | atomic_dec(&instance->fw_outstanding); | |
3199 | return SCSI_MLQUEUE_HOST_BUSY; | |
3200 | } | |
3201 | ||
9c915a8c | 3202 | index = cmd->index; |
3203 | ||
3204 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
9c915a8c | 3205 | |
3206 | req_desc->Words = 0; | |
3207 | cmd->request_desc = req_desc; | |
9c915a8c | 3208 | |
3209 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
3210 | megasas_return_cmd_fusion(instance, cmd); | |
1be18254 | 3211 | dev_err(&instance->pdev->dev, "Error building command\n"); |
9c915a8c | 3212 | cmd->request_desc = NULL; |
69c337c0 | 3213 | atomic_dec(&instance->fw_outstanding); |
f9a9dee6 | 3214 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c | 3215 | } |
3216 | ||
3217 | req_desc = cmd->request_desc; | |
94cd65dd | 3218 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c | 3219 | |
3220 | if (cmd->io_request->ChainOffset != 0 && | |
3221 | cmd->io_request->ChainOffset != 0xF) | |
1be18254 | 3222 | dev_err(&instance->pdev->dev, "The chain offset value is not " |
9c915a8c | 3223 | "correct : %x\n", cmd->io_request->ChainOffset); |
69c337c0 SC |
3224 | /* |
3225 | * if it is raid 1/10 fp write capable. | |
3226 | * try to get second command from pool and construct it. | |
3227 | * From FW, it has confirmed that lba values of two PDs | |
3228 | * corresponds to single R1/10 LD are always same | |
3229 | * | |
3230 | */ | |
3231 | /* driver side count always should be less than max_fw_cmds | |
3232 | * to get new command | |
3233 | */ | |
8bf7c65d | 3234 | if (cmd->r1_alt_dev_handle != MR_DEVHANDLE_INVALID) { |
69c337c0 SC |
3235 | r1_cmd = megasas_get_cmd_fusion(instance, |
3236 | (scmd->request->tag + instance->max_fw_cmds)); | |
3237 | megasas_prepare_secondRaid1_IO(instance, cmd, r1_cmd); | |
3238 | } | |
3239 | ||
18bbcabd | 3240 | |
9c915a8c | 3241 | /* |
3242 | * Issue the command to the FW | |
3243 | */ | |
9c915a8c | 3244 | |
45b8a35e | 3245 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c | 3246 | |
18bbcabd | 3247 | if (r1_cmd) |
45b8a35e | 3248 | megasas_fire_cmd_fusion(instance, r1_cmd->request_desc); |
18bbcabd | 3249 | |
69c337c0 | 3250 | |
9c915a8c | 3251 | return 0; |
3252 | } | |
3253 | ||
8bf7c65d S |
3254 | /** |
3255 | * megasas_complete_r1_command - | |
3256 | * completes R1 FP write commands which has valid peer smid | |
3257 | * @instance: Adapter soft state | |
3258 | * @cmd_fusion: MPT command frame | |
3259 | * | |
3260 | */ | |
3261 | static inline void | |
3262 | megasas_complete_r1_command(struct megasas_instance *instance, | |
3263 | struct megasas_cmd_fusion *cmd) | |
3264 | { | |
3265 | u8 *sense, status, ex_status; | |
3266 | u32 data_length; | |
3267 | u16 peer_smid; | |
3268 | struct fusion_context *fusion; | |
3269 | struct megasas_cmd_fusion *r1_cmd = NULL; | |
3270 | struct scsi_cmnd *scmd_local = NULL; | |
3271 | struct RAID_CONTEXT_G35 *rctx_g35; | |
3272 | ||
3273 | rctx_g35 = &cmd->io_request->RaidContext.raid_context_g35; | |
3274 | fusion = instance->ctrl_context; | |
3275 | peer_smid = le16_to_cpu(rctx_g35->smid.peer_smid); | |
3276 | ||
3277 | r1_cmd = fusion->cmd_list[peer_smid - 1]; | |
3278 | scmd_local = cmd->scmd; | |
3279 | status = rctx_g35->status; | |
3280 | ex_status = rctx_g35->ex_status; | |
3281 | data_length = cmd->io_request->DataLength; | |
3282 | sense = cmd->sense; | |
3283 | ||
3284 | cmd->cmd_completed = true; | |
3285 | ||
3286 | /* Check if peer command is completed or not*/ | |
3287 | if (r1_cmd->cmd_completed) { | |
3288 | rctx_g35 = &r1_cmd->io_request->RaidContext.raid_context_g35; | |
3289 | if (rctx_g35->status != MFI_STAT_OK) { | |
3290 | status = rctx_g35->status; | |
3291 | ex_status = rctx_g35->ex_status; | |
3292 | data_length = r1_cmd->io_request->DataLength; | |
3293 | sense = r1_cmd->sense; | |
3294 | } | |
3295 | ||
3296 | megasas_return_cmd_fusion(instance, r1_cmd); | |
3297 | map_cmd_status(fusion, scmd_local, status, ex_status, | |
3298 | le32_to_cpu(data_length), sense); | |
3299 | if (instance->ldio_threshold && | |
3300 | megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) | |
3301 | atomic_dec(&instance->ldio_outstanding); | |
3302 | scmd_local->SCp.ptr = NULL; | |
3303 | megasas_return_cmd_fusion(instance, cmd); | |
3304 | scsi_dma_unmap(scmd_local); | |
3305 | scmd_local->scsi_done(scmd_local); | |
3306 | } | |
3307 | } | |
3308 | ||
9c915a8c | 3309 | /** |
3310 | * complete_cmd_fusion - Completes command | |
3311 | * @instance: Adapter soft state | |
3312 | * Completes all commands that is in reply descriptor queue | |
3313 | */ | |
3314 | int | |
c8e858fe | 3315 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c | 3316 | { |
3317 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
3318 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
3319 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
3320 | struct fusion_context *fusion; | |
3321 | struct megasas_cmd *cmd_mfi; | |
8bf7c65d | 3322 | struct megasas_cmd_fusion *cmd_fusion; |
9c915a8c | 3323 | u16 smid, num_completed; |
8bf7c65d S |
3324 | u8 reply_descript_type, *sense, status, extStatus; |
3325 | u32 device_id, data_length; | |
9c915a8c | 3326 | union desc_value d_val; |
3327 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 3328 | int threshold_reply_count = 0; |
4026e9aa | 3329 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 SS |
3330 | struct MR_TASK_MANAGE_REQUEST *mr_tm_req; |
3331 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_tm_req; | |
9c915a8c | 3332 | |
3333 | fusion = instance->ctrl_context; | |
3334 | ||
8a01a41d | 3335 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
9c915a8c | 3336 | return IRQ_HANDLED; |
3337 | ||
179ac142 SS |
3338 | desc = fusion->reply_frames_desc[MSIxIndex] + |
3339 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c | 3340 | |
3341 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
3342 | ||
3343 | d_val.word = desc->Words; | |
3344 | ||
3345 | reply_descript_type = reply_desc->ReplyFlags & | |
3346 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
3347 | ||
3348 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
3349 | return IRQ_NONE; | |
3350 | ||
9c915a8c | 3351 | num_completed = 0; |
3352 | ||
c6f5bf81 CH |
3353 | while (d_val.u.low != cpu_to_le32(UINT_MAX) && |
3354 | d_val.u.high != cpu_to_le32(UINT_MAX)) { | |
69c337c0 | 3355 | |
94cd65dd | 3356 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c | 3357 | cmd_fusion = fusion->cmd_list[smid - 1]; |
8bf7c65d S |
3358 | scsi_io_req = (struct MPI2_RAID_SCSI_IO_REQUEST *) |
3359 | cmd_fusion->io_request; | |
9c915a8c | 3360 | |
4026e9aa | 3361 | scmd_local = cmd_fusion->scmd; |
fdd84e25 | 3362 | status = scsi_io_req->RaidContext.raid_context.status; |
d889344e | 3363 | extStatus = scsi_io_req->RaidContext.raid_context.ex_status; |
69c337c0 SC |
3364 | sense = cmd_fusion->sense; |
3365 | data_length = scsi_io_req->DataLength; | |
9c915a8c | 3366 | |
3367 | switch (scsi_io_req->Function) { | |
18365b13 SS |
3368 | case MPI2_FUNCTION_SCSI_TASK_MGMT: |
3369 | mr_tm_req = (struct MR_TASK_MANAGE_REQUEST *) | |
3370 | cmd_fusion->io_request; | |
3371 | mpi_tm_req = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) | |
3372 | &mr_tm_req->TmRequest; | |
3373 | dev_dbg(&instance->pdev->dev, "TM completion:" | |
3374 | "type: 0x%x TaskMID: 0x%x\n", | |
3375 | mpi_tm_req->TaskType, mpi_tm_req->TaskMID); | |
3376 | complete(&cmd_fusion->done); | |
3377 | break; | |
9c915a8c | 3378 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ |
3379 | /* Update load balancing info */ | |
8bf7c65d S |
3380 | if (fusion->load_balance_info && |
3381 | (cmd_fusion->scmd->SCp.Status & | |
3382 | MEGASAS_LOAD_BALANCE_FLAG)) { | |
3383 | device_id = MEGASAS_DEV_INDEX(scmd_local); | |
3384 | lbinfo = &fusion->load_balance_info[device_id]; | |
d2552ebe | 3385 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
8bf7c65d | 3386 | cmd_fusion->scmd->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; |
9c915a8c | 3387 | } |
8bf7c65d | 3388 | //Fall thru and complete IO |
9c915a8c | 3389 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ |
8bf7c65d S |
3390 | atomic_dec(&instance->fw_outstanding); |
3391 | if (cmd_fusion->r1_alt_dev_handle == MR_DEVHANDLE_INVALID) { | |
69c337c0 | 3392 | map_cmd_status(fusion, scmd_local, status, |
8bf7c65d S |
3393 | extStatus, le32_to_cpu(data_length), |
3394 | sense); | |
3395 | if (instance->ldio_threshold && | |
3396 | (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO)) | |
b71b49c2 | 3397 | atomic_dec(&instance->ldio_outstanding); |
8bf7c65d | 3398 | scmd_local->SCp.ptr = NULL; |
69c337c0 SC |
3399 | megasas_return_cmd_fusion(instance, cmd_fusion); |
3400 | scsi_dma_unmap(scmd_local); | |
3401 | scmd_local->scsi_done(scmd_local); | |
8bf7c65d S |
3402 | } else /* Optimal VD - R1 FP command completion. */ |
3403 | megasas_complete_r1_command(instance, cmd_fusion); | |
9c915a8c | 3404 | break; |
3405 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
3406 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
4026e9aa SS |
3407 | /* Poll mode. Dummy free. |
3408 | * In case of Interrupt mode, caller has reverse check. | |
3409 | */ | |
3410 | if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { | |
3411 | cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; | |
3412 | megasas_return_cmd(instance, cmd_mfi); | |
3413 | } else | |
3414 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
9c915a8c | 3415 | break; |
3416 | } | |
3417 | ||
c8e858fe | 3418 | fusion->last_reply_idx[MSIxIndex]++; |
3419 | if (fusion->last_reply_idx[MSIxIndex] >= | |
3420 | fusion->reply_q_depth) | |
3421 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c | 3422 | |
c6f5bf81 | 3423 | desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 3424 | num_completed++; |
db4fc864 | 3425 | threshold_reply_count++; |
9c915a8c | 3426 | |
3427 | /* Get the next reply descriptor */ | |
c8e858fe | 3428 | if (!fusion->last_reply_idx[MSIxIndex]) |
179ac142 | 3429 | desc = fusion->reply_frames_desc[MSIxIndex]; |
9c915a8c | 3430 | else |
3431 | desc++; | |
3432 | ||
3433 | reply_desc = | |
3434 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
3435 | ||
3436 | d_val.word = desc->Words; | |
3437 | ||
3438 | reply_descript_type = reply_desc->ReplyFlags & | |
3439 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
3440 | ||
3441 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
3442 | break; | |
db4fc864 SS |
3443 | /* |
3444 | * Write to reply post host index register after completing threshold | |
3445 | * number of reply counts and still there are more replies in reply queue | |
3446 | * pending to be completed | |
3447 | */ | |
3448 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
2493c67e | 3449 | if (instance->msix_combined) |
db4fc864 SS |
3450 | writel(((MSIxIndex & 0x7) << 24) | |
3451 | fusion->last_reply_idx[MSIxIndex], | |
3452 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
3453 | else | |
3454 | writel((MSIxIndex << 24) | | |
3455 | fusion->last_reply_idx[MSIxIndex], | |
3456 | instance->reply_post_host_index_addr[0]); | |
3457 | threshold_reply_count = 0; | |
3458 | } | |
9c915a8c | 3459 | } |
3460 | ||
3461 | if (!num_completed) | |
3462 | return IRQ_NONE; | |
3463 | ||
3464 | wmb(); | |
2493c67e | 3465 | if (instance->msix_combined) |
d46a3ad6 SS |
3466 | writel(((MSIxIndex & 0x7) << 24) | |
3467 | fusion->last_reply_idx[MSIxIndex], | |
3468 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
3469 | else | |
3470 | writel((MSIxIndex << 24) | | |
3471 | fusion->last_reply_idx[MSIxIndex], | |
3472 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 3473 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c | 3474 | return IRQ_HANDLED; |
3475 | } | |
3476 | ||
29206da1 S |
3477 | /** |
3478 | * megasas_sync_irqs - Synchronizes all IRQs owned by adapter | |
3479 | * @instance: Adapter soft state | |
3480 | */ | |
3481 | void megasas_sync_irqs(unsigned long instance_addr) | |
3482 | { | |
3483 | u32 count, i; | |
3484 | struct megasas_instance *instance = | |
3485 | (struct megasas_instance *)instance_addr; | |
3486 | ||
3487 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
3488 | ||
3489 | for (i = 0; i < count; i++) | |
3490 | synchronize_irq(pci_irq_vector(instance->pdev, i)); | |
3491 | } | |
3492 | ||
9c915a8c | 3493 | /** |
3494 | * megasas_complete_cmd_dpc_fusion - Completes command | |
3495 | * @instance: Adapter soft state | |
3496 | * | |
3497 | * Tasklet to complete cmds | |
3498 | */ | |
3499 | void | |
3500 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
3501 | { | |
3502 | struct megasas_instance *instance = | |
3503 | (struct megasas_instance *)instance_addr; | |
3504 | unsigned long flags; | |
c8e858fe | 3505 | u32 count, MSIxIndex; |
3506 | ||
3507 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c | 3508 | |
3509 | /* If we have already declared adapter dead, donot complete cmds */ | |
3510 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 3511 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
9c915a8c | 3512 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
3513 | return; | |
3514 | } | |
3515 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
3516 | ||
c8e858fe | 3517 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
3518 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c | 3519 | } |
3520 | ||
3521 | /** | |
3522 | * megasas_isr_fusion - isr entry point | |
3523 | */ | |
3524 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
3525 | { | |
c8e858fe | 3526 | struct megasas_irq_context *irq_context = devp; |
3527 | struct megasas_instance *instance = irq_context->instance; | |
fc62b3fc | 3528 | u32 mfiStatus, fw_state, dma_state; |
9c915a8c | 3529 | |
d46a3ad6 SS |
3530 | if (instance->mask_interrupts) |
3531 | return IRQ_NONE; | |
3532 | ||
c8e858fe | 3533 | if (!instance->msix_vectors) { |
9c915a8c | 3534 | mfiStatus = instance->instancet->clear_intr(instance->reg_set); |
3535 | if (!mfiStatus) | |
3536 | return IRQ_NONE; | |
3537 | } | |
3538 | ||
3539 | /* If we are resetting, bail */ | |
6497b247 | 3540 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
3541 | instance->instancet->clear_intr(instance->reg_set); | |
9c915a8c | 3542 | return IRQ_HANDLED; |
6497b247 | 3543 | } |
9c915a8c | 3544 | |
c8e858fe | 3545 | if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) { |
6497b247 | 3546 | instance->instancet->clear_intr(instance->reg_set); |
9c915a8c | 3547 | /* If we didn't complete any commands, check for FW fault */ |
3548 | fw_state = instance->instancet->read_fw_status_reg( | |
3549 | instance->reg_set) & MFI_STATE_MASK; | |
fc62b3fc SS |
3550 | dma_state = instance->instancet->read_fw_status_reg |
3551 | (instance->reg_set) & MFI_STATE_DMADONE; | |
3552 | if (instance->crash_dump_drv_support && | |
3553 | instance->crash_dump_app_support) { | |
3554 | /* Start collecting crash, if DMA bit is done */ | |
3555 | if ((fw_state == MFI_STATE_FAULT) && dma_state) | |
3556 | schedule_work(&instance->crash_init); | |
a1dfd62c KD |
3557 | else if (fw_state == MFI_STATE_FAULT) { |
3558 | if (instance->unload == 0) | |
3559 | schedule_work(&instance->work_init); | |
3560 | } | |
fc62b3fc | 3561 | } else if (fw_state == MFI_STATE_FAULT) { |
1be18254 | 3562 | dev_warn(&instance->pdev->dev, "Iop2SysDoorbellInt" |
229fe47c | 3563 | "for scsi%d\n", instance->host->host_no); |
a1dfd62c KD |
3564 | if (instance->unload == 0) |
3565 | schedule_work(&instance->work_init); | |
229fe47c | 3566 | } |
9c915a8c | 3567 | } |
3568 | ||
3569 | return IRQ_HANDLED; | |
3570 | } | |
3571 | ||
3572 | /** | |
3573 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
3574 | * @instance: Adapter soft state | |
3575 | * mfi_cmd: megasas_cmd pointer | |
3576 | * | |
3577 | */ | |
7a7ae4f1 | 3578 | void |
9c915a8c | 3579 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, |
3580 | struct megasas_cmd *mfi_cmd) | |
3581 | { | |
3582 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
3583 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
3584 | struct megasas_cmd_fusion *cmd; | |
3585 | struct fusion_context *fusion; | |
3586 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
3587 | ||
4026e9aa SS |
3588 | fusion = instance->ctrl_context; |
3589 | ||
3590 | cmd = megasas_get_cmd_fusion(instance, | |
3591 | instance->max_scsi_cmds + mfi_cmd->index); | |
9c915a8c | 3592 | |
3593 | /* Save the smid. To be used for returning the cmd */ | |
3594 | mfi_cmd->context.smid = cmd->index; | |
90dc9d98 | 3595 | |
9c915a8c | 3596 | /* |
3597 | * For cmds where the flag is set, store the flag and check | |
3598 | * on completion. For cmds with this flag, don't call | |
3599 | * megasas_complete_cmd | |
3600 | */ | |
3601 | ||
6e755ddc | 3602 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
4026e9aa | 3603 | mfi_cmd->flags |= DRV_DCMD_POLLED_MODE; |
9c915a8c | 3604 | |
9c915a8c | 3605 | io_req = cmd->io_request; |
36807e67 | 3606 | |
c365178f | 3607 | if (instance->adapter_type >= INVADER_SERIES) { |
36807e67 | 3608 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
3609 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
3610 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
3611 | sgl_ptr_end->Flags = 0; | |
3612 | } | |
3613 | ||
9c915a8c | 3614 | mpi25_ieee_chain = |
3615 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
3616 | ||
3617 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
3618 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
3619 | SGL) / 4; | |
3620 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
3621 | ||
94cd65dd | 3622 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c | 3623 | |
3624 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
3625 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
3626 | ||
ed2983f4 | 3627 | mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size); |
9c915a8c | 3628 | } |
3629 | ||
3630 | /** | |
3631 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
3632 | * @instance: Adapter soft state | |
3633 | * @cmd: mfi cmd to build | |
3634 | * | |
3635 | */ | |
3636 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
3637 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
3638 | { | |
52205ac8 | 3639 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc = NULL; |
9c915a8c | 3640 | u16 index; |
3641 | ||
7a7ae4f1 | 3642 | build_mpt_mfi_pass_thru(instance, cmd); |
9c915a8c | 3643 | index = cmd->context.smid; |
3644 | ||
3645 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
3646 | ||
9c915a8c | 3647 | req_desc->Words = 0; |
3648 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
3649 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
3650 | ||
94cd65dd | 3651 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c | 3652 | |
3653 | return req_desc; | |
3654 | } | |
3655 | ||
3656 | /** | |
3657 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
3658 | * @instance: Adapter soft state | |
3659 | * @cmd: mfi cmd pointer | |
3660 | * | |
3661 | */ | |
f4fc2093 | 3662 | void |
9c915a8c | 3663 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, |
3664 | struct megasas_cmd *cmd) | |
3665 | { | |
3666 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c | 3667 | |
3668 | req_desc = build_mpt_cmd(instance, cmd); | |
6d40afbc | 3669 | |
45b8a35e | 3670 | megasas_fire_cmd_fusion(instance, req_desc); |
f4fc2093 | 3671 | return; |
9c915a8c | 3672 | } |
3673 | ||
3674 | /** | |
3675 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 3676 | * @instance: Adapter soft state |
9c915a8c | 3677 | */ |
3678 | void | |
3679 | megasas_release_fusion(struct megasas_instance *instance) | |
3680 | { | |
b9637d14 | 3681 | megasas_free_ioc_init_cmd(instance); |
9c915a8c | 3682 | megasas_free_cmds(instance); |
3683 | megasas_free_cmds_fusion(instance); | |
3684 | ||
3685 | iounmap(instance->reg_set); | |
3686 | ||
e7f85168 | 3687 | pci_release_selected_regions(instance->pdev, 1<<instance->bar); |
9c915a8c | 3688 | } |
3689 | ||
3690 | /** | |
3691 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
3692 | * @regs: MFI register set | |
3693 | */ | |
3694 | static u32 | |
3695 | megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs) | |
3696 | { | |
3697 | return readl(&(regs)->outbound_scratch_pad); | |
3698 | } | |
3699 | ||
fc62b3fc SS |
3700 | /** |
3701 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
3702 | * @instance: Controller's soft instance | |
3703 | * return: Number of allocated host crash buffers | |
3704 | */ | |
3705 | static void | |
3706 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
3707 | { | |
3708 | unsigned int i; | |
3709 | ||
fc62b3fc | 3710 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { |
def3e8df | 3711 | instance->crash_buf[i] = vzalloc(CRASH_DMA_BUF_SIZE); |
fc62b3fc SS |
3712 | if (!instance->crash_buf[i]) { |
3713 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
3714 | "memory allocation failed at index %d\n", i); | |
3715 | break; | |
3716 | } | |
3717 | } | |
3718 | instance->drv_buf_alloc = i; | |
3719 | } | |
3720 | ||
3721 | /** | |
3722 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
3723 | * @instance: Controller's soft instance | |
3724 | */ | |
3725 | void | |
3726 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
3727 | { | |
def3e8df | 3728 | unsigned int i; |
fc62b3fc SS |
3729 | for (i = 0; i < instance->drv_buf_alloc; i++) { |
3730 | if (instance->crash_buf[i]) | |
def3e8df | 3731 | vfree(instance->crash_buf[i]); |
fc62b3fc SS |
3732 | } |
3733 | instance->drv_buf_index = 0; | |
3734 | instance->drv_buf_alloc = 0; | |
3735 | instance->fw_crash_state = UNAVAILABLE; | |
3736 | instance->fw_crash_buffer_size = 0; | |
3737 | } | |
3738 | ||
9c915a8c | 3739 | /** |
3740 | * megasas_adp_reset_fusion - For controller reset | |
3741 | * @regs: MFI register set | |
3742 | */ | |
3743 | static int | |
3744 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
3745 | struct megasas_register_set __iomem *regs) | |
3746 | { | |
79b82c2c | 3747 | u32 host_diag, abs_state, retry; |
3748 | ||
3749 | /* Now try to reset the chip */ | |
3750 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3751 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3752 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3753 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3754 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3755 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3756 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
3757 | ||
3758 | /* Check that the diag write enable (DRWE) bit is on */ | |
3759 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
3760 | retry = 0; | |
3761 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { | |
3762 | msleep(100); | |
3763 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
3764 | if (retry++ == 100) { | |
3765 | dev_warn(&instance->pdev->dev, | |
3766 | "Host diag unlock failed from %s %d\n", | |
3767 | __func__, __LINE__); | |
3768 | break; | |
3769 | } | |
3770 | } | |
3771 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
3772 | return -1; | |
3773 | ||
3774 | /* Send chip reset command */ | |
3775 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
3776 | &instance->reg_set->fusion_host_diag); | |
3777 | msleep(3000); | |
3778 | ||
3779 | /* Make sure reset adapter bit is cleared */ | |
3780 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
3781 | retry = 0; | |
3782 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
3783 | msleep(100); | |
3784 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
3785 | if (retry++ == 1000) { | |
3786 | dev_warn(&instance->pdev->dev, | |
3787 | "Diag reset adapter never cleared %s %d\n", | |
3788 | __func__, __LINE__); | |
3789 | break; | |
3790 | } | |
3791 | } | |
3792 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
3793 | return -1; | |
3794 | ||
3795 | abs_state = instance->instancet->read_fw_status_reg(instance->reg_set) | |
3796 | & MFI_STATE_MASK; | |
3797 | retry = 0; | |
3798 | ||
3799 | while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) { | |
3800 | msleep(100); | |
3801 | abs_state = instance->instancet-> | |
3802 | read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; | |
3803 | } | |
3804 | if (abs_state <= MFI_STATE_FW_INIT) { | |
3805 | dev_warn(&instance->pdev->dev, | |
3806 | "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n", | |
3807 | abs_state, __func__, __LINE__); | |
3808 | return -1; | |
3809 | } | |
3810 | ||
9c915a8c | 3811 | return 0; |
3812 | } | |
3813 | ||
3814 | /** | |
3815 | * megasas_check_reset_fusion - For controller reset check | |
3816 | * @regs: MFI register set | |
3817 | */ | |
3818 | static int | |
3819 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
3820 | struct megasas_register_set __iomem *regs) | |
3821 | { | |
3822 | return 0; | |
3823 | } | |
3824 | ||
3825 | /* This function waits for outstanding commands on fusion to complete */ | |
229fe47c | 3826 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
6d40afbc | 3827 | int reason, int *convert) |
9c915a8c | 3828 | { |
229fe47c | 3829 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 3830 | u32 fw_state; |
9c915a8c | 3831 | |
c007b8b2 | 3832 | for (i = 0; i < resetwaittime; i++) { |
9c915a8c | 3833 | /* Check if firmware is in fault state */ |
3834 | fw_state = instance->instancet->read_fw_status_reg( | |
3835 | instance->reg_set) & MFI_STATE_MASK; | |
3836 | if (fw_state == MFI_STATE_FAULT) { | |
1be18254 | 3837 | dev_warn(&instance->pdev->dev, "Found FW in FAULT state," |
229fe47c | 3838 | " will reset adapter scsi%d.\n", |
3839 | instance->host->host_no); | |
64d0b8e4 | 3840 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
def0eab3 S |
3841 | if (instance->requestorId && reason) { |
3842 | dev_warn(&instance->pdev->dev, "SR-IOV Found FW in FAULT" | |
3843 | " state while polling during" | |
3844 | " I/O timeout handling for %d\n", | |
3845 | instance->host->host_no); | |
3846 | *convert = 1; | |
3847 | } | |
3848 | ||
229fe47c | 3849 | retval = 1; |
3850 | goto out; | |
3851 | } | |
6d40afbc SS |
3852 | |
3853 | if (reason == MFI_IO_TIMEOUT_OCR) { | |
3854 | dev_info(&instance->pdev->dev, | |
3855 | "MFI IO is timed out, initiating OCR\n"); | |
64d0b8e4 | 3856 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
6d40afbc SS |
3857 | retval = 1; |
3858 | goto out; | |
3859 | } | |
3860 | ||
229fe47c | 3861 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ |
6d40afbc | 3862 | if (instance->requestorId && !reason) { |
9c915a8c | 3863 | retval = 1; |
3864 | goto out; | |
3865 | } | |
3866 | ||
229fe47c | 3867 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
def0eab3 | 3868 | if (instance->requestorId && (reason == SCSIIO_TIMEOUT_OCR)) { |
229fe47c | 3869 | if (instance->hb_host_mem->HB.fwCounter != |
3870 | instance->hb_host_mem->HB.driverCounter) { | |
3871 | instance->hb_host_mem->HB.driverCounter = | |
3872 | instance->hb_host_mem->HB.fwCounter; | |
3873 | hb_seconds_missed = 0; | |
3874 | } else { | |
3875 | hb_seconds_missed++; | |
3876 | if (hb_seconds_missed == | |
3877 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
1be18254 | 3878 | dev_warn(&instance->pdev->dev, "SR-IOV:" |
229fe47c | 3879 | " Heartbeat never completed " |
3880 | " while polling during I/O " | |
3881 | " timeout handling for " | |
3882 | "scsi%d.\n", | |
3883 | instance->host->host_no); | |
3884 | *convert = 1; | |
3885 | retval = 1; | |
3886 | goto out; | |
3887 | } | |
3888 | } | |
3889 | } | |
3890 | ||
14298cf3 | 3891 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
9c915a8c | 3892 | outstanding = atomic_read(&instance->fw_outstanding); |
3893 | if (!outstanding) | |
3894 | goto out; | |
3895 | ||
3896 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 3897 | dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " |
229fe47c | 3898 | "commands to complete for scsi%d\n", i, |
3899 | outstanding, instance->host->host_no); | |
9c915a8c | 3900 | } |
3901 | msleep(1000); | |
3902 | } | |
3903 | ||
3904 | if (atomic_read(&instance->fw_outstanding)) { | |
1be18254 | 3905 | dev_err(&instance->pdev->dev, "pending commands remain after waiting, " |
229fe47c | 3906 | "will reset adapter scsi%d.\n", |
3907 | instance->host->host_no); | |
18e1c7f6 | 3908 | *convert = 1; |
9c915a8c | 3909 | retval = 1; |
3910 | } | |
3911 | out: | |
3912 | return retval; | |
3913 | } | |
3914 | ||
3915 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
3916 | { | |
179ac142 | 3917 | int i, j, count; |
9c915a8c | 3918 | struct fusion_context *fusion; |
3919 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
3920 | ||
3921 | fusion = instance->ctrl_context; | |
c8e858fe | 3922 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
179ac142 | 3923 | for (i = 0 ; i < count ; i++) { |
c8e858fe | 3924 | fusion->last_reply_idx[i] = 0; |
179ac142 SS |
3925 | reply_desc = fusion->reply_frames_desc[i]; |
3926 | for (j = 0 ; j < fusion->reply_q_depth; j++, reply_desc++) | |
3927 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
3928 | } | |
9c915a8c | 3929 | } |
3930 | ||
9b828182 SS |
3931 | /* |
3932 | * megasas_refire_mgmt_cmd : Re-fire management commands | |
3933 | * @instance: Controller's soft instance | |
3934 | */ | |
3935 | void megasas_refire_mgmt_cmd(struct megasas_instance *instance) | |
3936 | { | |
3937 | int j; | |
3938 | struct megasas_cmd_fusion *cmd_fusion; | |
3939 | struct fusion_context *fusion; | |
3940 | struct megasas_cmd *cmd_mfi; | |
3941 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
3942 | u16 smid; | |
6d40afbc | 3943 | bool refire_cmd = 0; |
54b28049 S |
3944 | u8 result; |
3945 | u32 opcode = 0; | |
9b828182 SS |
3946 | |
3947 | fusion = instance->ctrl_context; | |
3948 | ||
3949 | /* Re-fire management commands. | |
3950 | * Do not traverse complet MPT frame pool. Start from max_scsi_cmds. | |
3951 | */ | |
3952 | for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) { | |
3953 | cmd_fusion = fusion->cmd_list[j]; | |
3954 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
3955 | smid = le16_to_cpu(cmd_mfi->context.smid); | |
54b28049 | 3956 | result = REFIRE_CMD; |
9b828182 SS |
3957 | |
3958 | if (!smid) | |
3959 | continue; | |
690e9c38 | 3960 | |
54b28049 S |
3961 | req_desc = megasas_get_request_descriptor(instance, smid - 1); |
3962 | ||
3963 | switch (cmd_mfi->frame->hdr.cmd) { | |
3964 | case MFI_CMD_DCMD: | |
3965 | opcode = le32_to_cpu(cmd_mfi->frame->dcmd.opcode); | |
3966 | /* Do not refire shutdown command */ | |
3967 | if (opcode == MR_DCMD_CTRL_SHUTDOWN) { | |
3968 | cmd_mfi->frame->dcmd.cmd_status = MFI_STAT_OK; | |
3969 | result = COMPLETE_CMD; | |
3970 | break; | |
3971 | } | |
3972 | ||
3973 | refire_cmd = ((opcode != MR_DCMD_LD_MAP_GET_INFO)) && | |
3974 | (opcode != MR_DCMD_SYSTEM_PD_MAP_GET_INFO) && | |
3975 | !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE); | |
3976 | ||
3977 | if (!refire_cmd) | |
3978 | result = RETURN_CMD; | |
3979 | ||
3980 | break; | |
f870bcbe S |
3981 | case MFI_CMD_NVME: |
3982 | if (!instance->support_nvme_passthru) { | |
3983 | cmd_mfi->frame->hdr.cmd_status = MFI_STAT_INVALID_CMD; | |
3984 | result = COMPLETE_CMD; | |
3985 | } | |
54b28049 | 3986 | |
f870bcbe | 3987 | break; |
54b28049 S |
3988 | default: |
3989 | break; | |
690e9c38 S |
3990 | } |
3991 | ||
54b28049 S |
3992 | switch (result) { |
3993 | case REFIRE_CMD: | |
45b8a35e | 3994 | megasas_fire_cmd_fusion(instance, req_desc); |
54b28049 S |
3995 | break; |
3996 | case RETURN_CMD: | |
9b828182 | 3997 | megasas_return_cmd(instance, cmd_mfi); |
54b28049 S |
3998 | break; |
3999 | case COMPLETE_CMD: | |
4000 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
4001 | break; | |
4002 | } | |
9b828182 | 4003 | } |
9c915a8c | 4004 | } |
4005 | ||
18365b13 SS |
4006 | /* |
4007 | * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device | |
4008 | * @instance: per adapter struct | |
4009 | * @channel: the channel assigned by the OS | |
4010 | * @id: the id assigned by the OS | |
4011 | * | |
4012 | * Returns SUCCESS if no IOs pending to SCSI device, else return FAILED | |
4013 | */ | |
4014 | ||
4015 | static int megasas_track_scsiio(struct megasas_instance *instance, | |
4016 | int id, int channel) | |
4017 | { | |
4018 | int i, found = 0; | |
4019 | struct megasas_cmd_fusion *cmd_fusion; | |
4020 | struct fusion_context *fusion; | |
4021 | fusion = instance->ctrl_context; | |
4022 | ||
4023 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { | |
4024 | cmd_fusion = fusion->cmd_list[i]; | |
4025 | if (cmd_fusion->scmd && | |
4026 | (cmd_fusion->scmd->device->id == id && | |
4027 | cmd_fusion->scmd->device->channel == channel)) { | |
4028 | dev_info(&instance->pdev->dev, | |
4029 | "SCSI commands pending to target" | |
4030 | "channel %d id %d \tSMID: 0x%x\n", | |
4031 | channel, id, cmd_fusion->index); | |
4032 | scsi_print_command(cmd_fusion->scmd); | |
4033 | found = 1; | |
4034 | break; | |
4035 | } | |
4036 | } | |
4037 | ||
4038 | return found ? FAILED : SUCCESS; | |
4039 | } | |
4040 | ||
4041 | /** | |
4042 | * megasas_tm_response_code - translation of device response code | |
4043 | * @ioc: per adapter object | |
4044 | * @mpi_reply: MPI reply returned by firmware | |
4045 | * | |
4046 | * Return nothing. | |
4047 | */ | |
4048 | static void | |
4049 | megasas_tm_response_code(struct megasas_instance *instance, | |
4050 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) | |
4051 | { | |
4052 | char *desc; | |
4053 | ||
4054 | switch (mpi_reply->ResponseCode) { | |
4055 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
4056 | desc = "task management request completed"; | |
4057 | break; | |
4058 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
4059 | desc = "invalid frame"; | |
4060 | break; | |
4061 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
4062 | desc = "task management request not supported"; | |
4063 | break; | |
4064 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
4065 | desc = "task management request failed"; | |
4066 | break; | |
4067 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
4068 | desc = "task management request succeeded"; | |
4069 | break; | |
4070 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
4071 | desc = "invalid lun"; | |
4072 | break; | |
4073 | case 0xA: | |
4074 | desc = "overlapped tag attempted"; | |
4075 | break; | |
4076 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
4077 | desc = "task queued, however not sent to target"; | |
4078 | break; | |
4079 | default: | |
4080 | desc = "unknown"; | |
4081 | break; | |
4082 | } | |
4083 | dev_dbg(&instance->pdev->dev, "response_code(%01x): %s\n", | |
4084 | mpi_reply->ResponseCode, desc); | |
4085 | dev_dbg(&instance->pdev->dev, | |
4086 | "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo" | |
4087 | " 0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", | |
4088 | mpi_reply->TerminationCount, mpi_reply->DevHandle, | |
4089 | mpi_reply->Function, mpi_reply->TaskType, | |
4090 | mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); | |
4091 | } | |
4092 | ||
4093 | /** | |
4094 | * megasas_issue_tm - main routine for sending tm requests | |
4095 | * @instance: per adapter struct | |
4096 | * @device_handle: device handle | |
4097 | * @channel: the channel assigned by the OS | |
4098 | * @id: the id assigned by the OS | |
4099 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c) | |
4100 | * @smid_task: smid assigned to the task | |
4101 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF | |
4102 | * Context: user | |
4103 | * | |
4104 | * MegaRaid use MPT interface for Task Magement request. | |
4105 | * A generic API for sending task management requests to firmware. | |
4106 | * | |
4107 | * Return SUCCESS or FAILED. | |
4108 | */ | |
4109 | static int | |
4110 | megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, | |
4111 | uint channel, uint id, u16 smid_task, u8 type) | |
4112 | { | |
4113 | struct MR_TASK_MANAGE_REQUEST *mr_request; | |
4114 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_request; | |
4115 | unsigned long timeleft; | |
4116 | struct megasas_cmd_fusion *cmd_fusion; | |
4117 | struct megasas_cmd *cmd_mfi; | |
4118 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
28661c88 | 4119 | struct fusion_context *fusion = NULL; |
18365b13 SS |
4120 | struct megasas_cmd_fusion *scsi_lookup; |
4121 | int rc; | |
4122 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; | |
4123 | ||
4124 | fusion = instance->ctrl_context; | |
4125 | ||
4126 | cmd_mfi = megasas_get_cmd(instance); | |
4127 | ||
4128 | if (!cmd_mfi) { | |
4129 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
4130 | __func__, __LINE__); | |
4131 | return -ENOMEM; | |
4132 | } | |
4133 | ||
4134 | cmd_fusion = megasas_get_cmd_fusion(instance, | |
4135 | instance->max_scsi_cmds + cmd_mfi->index); | |
4136 | ||
4137 | /* Save the smid. To be used for returning the cmd */ | |
4138 | cmd_mfi->context.smid = cmd_fusion->index; | |
4139 | ||
4140 | req_desc = megasas_get_request_descriptor(instance, | |
4141 | (cmd_fusion->index - 1)); | |
18365b13 SS |
4142 | |
4143 | cmd_fusion->request_desc = req_desc; | |
4144 | req_desc->Words = 0; | |
4145 | ||
18365b13 SS |
4146 | mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; |
4147 | memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); | |
4148 | mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; | |
4149 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
4150 | mpi_request->DevHandle = cpu_to_le16(device_handle); | |
4151 | mpi_request->TaskType = type; | |
4152 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
4153 | mpi_request->LUN[1] = 0; | |
4154 | ||
4155 | ||
4156 | req_desc = cmd_fusion->request_desc; | |
4157 | req_desc->HighPriority.SMID = cpu_to_le16(cmd_fusion->index); | |
4158 | req_desc->HighPriority.RequestFlags = | |
4159 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
4160 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
4161 | req_desc->HighPriority.MSIxIndex = 0; | |
4162 | req_desc->HighPriority.LMID = 0; | |
4163 | req_desc->HighPriority.Reserved1 = 0; | |
4164 | ||
4165 | if (channel < MEGASAS_MAX_PD_CHANNELS) | |
4166 | mr_request->tmReqFlags.isTMForPD = 1; | |
4167 | else | |
4168 | mr_request->tmReqFlags.isTMForLD = 1; | |
4169 | ||
4170 | init_completion(&cmd_fusion->done); | |
45b8a35e | 4171 | megasas_fire_cmd_fusion(instance, req_desc); |
18365b13 SS |
4172 | |
4173 | timeleft = wait_for_completion_timeout(&cmd_fusion->done, 50 * HZ); | |
4174 | ||
4175 | if (!timeleft) { | |
4176 | dev_err(&instance->pdev->dev, | |
4177 | "task mgmt type 0x%x timed out\n", type); | |
4178 | cmd_mfi->flags |= DRV_DCMD_SKIP_REFIRE; | |
4179 | mutex_unlock(&instance->reset_mutex); | |
4180 | rc = megasas_reset_fusion(instance->host, MFI_IO_TIMEOUT_OCR); | |
4181 | mutex_lock(&instance->reset_mutex); | |
4182 | return rc; | |
4183 | } | |
4184 | ||
4185 | mpi_reply = (struct MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->TMReply; | |
4186 | megasas_tm_response_code(instance, mpi_reply); | |
4187 | ||
4188 | megasas_return_cmd(instance, cmd_mfi); | |
4189 | rc = SUCCESS; | |
4190 | switch (type) { | |
4191 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
28661c88 S |
4192 | scsi_lookup = fusion->cmd_list[smid_task - 1]; |
4193 | ||
18365b13 SS |
4194 | if (scsi_lookup->scmd == NULL) |
4195 | break; | |
4196 | else { | |
4197 | instance->instancet->disable_intr(instance); | |
29206da1 | 4198 | megasas_sync_irqs((unsigned long)instance); |
18365b13 SS |
4199 | instance->instancet->enable_intr(instance); |
4200 | if (scsi_lookup->scmd == NULL) | |
4201 | break; | |
4202 | } | |
4203 | rc = FAILED; | |
4204 | break; | |
4205 | ||
4206 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
4207 | if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) | |
4208 | break; | |
4209 | instance->instancet->disable_intr(instance); | |
bdb5c55f | 4210 | megasas_sync_irqs((unsigned long)instance); |
18365b13 SS |
4211 | rc = megasas_track_scsiio(instance, id, channel); |
4212 | instance->instancet->enable_intr(instance); | |
4213 | ||
4214 | break; | |
4215 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: | |
4216 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: | |
4217 | break; | |
4218 | default: | |
4219 | rc = FAILED; | |
4220 | break; | |
4221 | } | |
4222 | ||
4223 | return rc; | |
4224 | ||
4225 | } | |
4226 | ||
4227 | /* | |
4228 | * megasas_fusion_smid_lookup : Look for fusion command correpspodning to SCSI | |
4229 | * @instance: per adapter struct | |
4230 | * | |
4231 | * Return Non Zero index, if SMID found in outstanding commands | |
4232 | */ | |
4233 | static u16 megasas_fusion_smid_lookup(struct scsi_cmnd *scmd) | |
4234 | { | |
4235 | int i, ret = 0; | |
4236 | struct megasas_instance *instance; | |
4237 | struct megasas_cmd_fusion *cmd_fusion; | |
4238 | struct fusion_context *fusion; | |
4239 | ||
4240 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4241 | ||
4242 | fusion = instance->ctrl_context; | |
4243 | ||
4244 | for (i = 0; i < instance->max_scsi_cmds; i++) { | |
4245 | cmd_fusion = fusion->cmd_list[i]; | |
4246 | if (cmd_fusion->scmd && (cmd_fusion->scmd == scmd)) { | |
4247 | scmd_printk(KERN_NOTICE, scmd, "Abort request is for" | |
4248 | " SMID: %d\n", cmd_fusion->index); | |
4249 | ret = cmd_fusion->index; | |
4250 | break; | |
4251 | } | |
4252 | } | |
4253 | ||
4254 | return ret; | |
4255 | } | |
4256 | ||
4257 | /* | |
4258 | * megasas_get_tm_devhandle - Get devhandle for TM request | |
4259 | * @sdev- OS provided scsi device | |
4260 | * | |
4261 | * Returns- devhandle/targetID of SCSI device | |
4262 | */ | |
4263 | static u16 megasas_get_tm_devhandle(struct scsi_device *sdev) | |
4264 | { | |
4265 | u16 pd_index = 0; | |
4266 | u32 device_id; | |
4267 | struct megasas_instance *instance; | |
4268 | struct fusion_context *fusion; | |
4269 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
4270 | u16 devhandle = (u16)ULONG_MAX; | |
4271 | ||
4272 | instance = (struct megasas_instance *)sdev->host->hostdata; | |
4273 | fusion = instance->ctrl_context; | |
4274 | ||
3cabd162 | 4275 | if (!MEGASAS_IS_LOGICAL(sdev)) { |
18365b13 | 4276 | if (instance->use_seqnum_jbod_fp) { |
3cabd162 S |
4277 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) |
4278 | + sdev->id; | |
4279 | pd_sync = (void *)fusion->pd_seq_sync | |
4280 | [(instance->pd_seq_map_id - 1) & 1]; | |
4281 | devhandle = pd_sync->seq[pd_index].devHandle; | |
18365b13 SS |
4282 | } else |
4283 | sdev_printk(KERN_ERR, sdev, "Firmware expose tmCapable" | |
4284 | " without JBOD MAP support from %s %d\n", __func__, __LINE__); | |
4285 | } else { | |
4286 | device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) | |
4287 | + sdev->id; | |
4288 | devhandle = device_id; | |
4289 | } | |
4290 | ||
4291 | return devhandle; | |
4292 | } | |
4293 | ||
4294 | /* | |
4295 | * megasas_task_abort_fusion : SCSI task abort function for fusion adapters | |
4296 | * @scmd : pointer to scsi command object | |
4297 | * | |
4298 | * Return SUCCESS, if command aborted else FAILED | |
4299 | */ | |
4300 | ||
4301 | int megasas_task_abort_fusion(struct scsi_cmnd *scmd) | |
4302 | { | |
4303 | struct megasas_instance *instance; | |
4304 | u16 smid, devhandle; | |
4305 | struct fusion_context *fusion; | |
4306 | int ret; | |
4307 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
4308 | mr_device_priv_data = scmd->device->hostdata; | |
4309 | ||
4310 | ||
4311 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4312 | fusion = instance->ctrl_context; | |
4313 | ||
def0eab3 S |
4314 | scmd_printk(KERN_INFO, scmd, "task abort called for scmd(%p)\n", scmd); |
4315 | scsi_print_command(scmd); | |
4316 | ||
8a01a41d | 4317 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
4318 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
4319 | "SCSI host:%d\n", instance->host->host_no); | |
4320 | ret = FAILED; | |
4321 | return ret; | |
4322 | } | |
4323 | ||
4324 | if (!mr_device_priv_data) { | |
4325 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
4326 | "scmd(%p)\n", scmd); | |
4327 | scmd->result = DID_NO_CONNECT << 16; | |
4328 | ret = SUCCESS; | |
4329 | goto out; | |
4330 | } | |
4331 | ||
4332 | ||
4333 | if (!mr_device_priv_data->is_tm_capable) { | |
4334 | ret = FAILED; | |
4335 | goto out; | |
4336 | } | |
4337 | ||
4338 | mutex_lock(&instance->reset_mutex); | |
4339 | ||
4340 | smid = megasas_fusion_smid_lookup(scmd); | |
4341 | ||
4342 | if (!smid) { | |
4343 | ret = SUCCESS; | |
4344 | scmd_printk(KERN_NOTICE, scmd, "Command for which abort is" | |
4345 | " issued is not found in oustanding commands\n"); | |
4346 | mutex_unlock(&instance->reset_mutex); | |
4347 | goto out; | |
4348 | } | |
4349 | ||
4350 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
4351 | ||
4352 | if (devhandle == (u16)ULONG_MAX) { | |
4353 | ret = SUCCESS; | |
4354 | sdev_printk(KERN_INFO, scmd->device, | |
4355 | "task abort issued for invalid devhandle\n"); | |
4356 | mutex_unlock(&instance->reset_mutex); | |
4357 | goto out; | |
4358 | } | |
4359 | sdev_printk(KERN_INFO, scmd->device, | |
4360 | "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n", | |
4361 | scmd, devhandle); | |
4362 | ||
4363 | mr_device_priv_data->tm_busy = 1; | |
4364 | ret = megasas_issue_tm(instance, devhandle, | |
4365 | scmd->device->channel, scmd->device->id, smid, | |
4366 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK); | |
4367 | mr_device_priv_data->tm_busy = 0; | |
4368 | ||
4369 | mutex_unlock(&instance->reset_mutex); | |
4370 | out: | |
4371 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", | |
4372 | ((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
4373 | ||
4374 | return ret; | |
4375 | } | |
4376 | ||
4377 | /* | |
4378 | * megasas_reset_target_fusion : target reset function for fusion adapters | |
4379 | * scmd: SCSI command pointer | |
4380 | * | |
4381 | * Returns SUCCESS if all commands associated with target aborted else FAILED | |
4382 | */ | |
4383 | ||
4384 | int megasas_reset_target_fusion(struct scsi_cmnd *scmd) | |
4385 | { | |
4386 | ||
4387 | struct megasas_instance *instance; | |
4388 | int ret = FAILED; | |
4389 | u16 devhandle; | |
4390 | struct fusion_context *fusion; | |
4391 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
4392 | mr_device_priv_data = scmd->device->hostdata; | |
4393 | ||
4394 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
4395 | fusion = instance->ctrl_context; | |
4396 | ||
def0eab3 S |
4397 | sdev_printk(KERN_INFO, scmd->device, |
4398 | "target reset called for scmd(%p)\n", scmd); | |
4399 | ||
8a01a41d | 4400 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
4401 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
4402 | "SCSI host:%d\n", instance->host->host_no); | |
4403 | ret = FAILED; | |
4404 | return ret; | |
4405 | } | |
4406 | ||
4407 | if (!mr_device_priv_data) { | |
4408 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
4409 | "scmd(%p)\n", scmd); | |
4410 | scmd->result = DID_NO_CONNECT << 16; | |
4411 | ret = SUCCESS; | |
4412 | goto out; | |
4413 | } | |
4414 | ||
4415 | ||
4416 | if (!mr_device_priv_data->is_tm_capable) { | |
4417 | ret = FAILED; | |
4418 | goto out; | |
4419 | } | |
4420 | ||
4421 | mutex_lock(&instance->reset_mutex); | |
4422 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
4423 | ||
4424 | if (devhandle == (u16)ULONG_MAX) { | |
4425 | ret = SUCCESS; | |
4426 | sdev_printk(KERN_INFO, scmd->device, | |
4427 | "target reset issued for invalid devhandle\n"); | |
4428 | mutex_unlock(&instance->reset_mutex); | |
4429 | goto out; | |
4430 | } | |
4431 | ||
4432 | sdev_printk(KERN_INFO, scmd->device, | |
4433 | "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n", | |
4434 | scmd, devhandle); | |
4435 | mr_device_priv_data->tm_busy = 1; | |
4436 | ret = megasas_issue_tm(instance, devhandle, | |
4437 | scmd->device->channel, scmd->device->id, 0, | |
4438 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); | |
4439 | mr_device_priv_data->tm_busy = 0; | |
4440 | mutex_unlock(&instance->reset_mutex); | |
4441 | out: | |
4442 | scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n", | |
4443 | (ret == SUCCESS) ? "SUCCESS" : "FAILED"); | |
4444 | ||
4445 | return ret; | |
4446 | } | |
4447 | ||
8f67c8c5 SS |
4448 | /*SRIOV get other instance in cluster if any*/ |
4449 | struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance) | |
4450 | { | |
4451 | int i; | |
4452 | ||
4453 | for (i = 0; i < MAX_MGMT_ADAPTERS; i++) { | |
4454 | if (megasas_mgmt_info.instance[i] && | |
4455 | (megasas_mgmt_info.instance[i] != instance) && | |
4456 | megasas_mgmt_info.instance[i]->requestorId && | |
4457 | megasas_mgmt_info.instance[i]->peerIsPresent && | |
4458 | (memcmp((megasas_mgmt_info.instance[i]->clusterId), | |
4459 | instance->clusterId, MEGASAS_CLUSTER_ID_SIZE) == 0)) | |
4460 | return megasas_mgmt_info.instance[i]; | |
4461 | } | |
4462 | return NULL; | |
4463 | } | |
4464 | ||
229fe47c | 4465 | /* Check for a second path that is currently UP */ |
4466 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
4467 | struct scsi_cmnd *scmd) | |
4468 | { | |
8f67c8c5 | 4469 | struct megasas_instance *peer_instance = NULL; |
f55cf47d | 4470 | int retval = (DID_REQUEUE << 16); |
8f67c8c5 SS |
4471 | |
4472 | if (instance->peerIsPresent) { | |
4473 | peer_instance = megasas_get_peer_instance(instance); | |
4474 | if ((peer_instance) && | |
4475 | (atomic_read(&peer_instance->adprecovery) == | |
4476 | MEGASAS_HBA_OPERATIONAL)) | |
4477 | retval = (DID_NO_CONNECT << 16); | |
229fe47c | 4478 | } |
229fe47c | 4479 | return retval; |
4480 | } | |
4481 | ||
9c915a8c | 4482 | /* Core fusion reset function */ |
18365b13 | 4483 | int megasas_reset_fusion(struct Scsi_Host *shost, int reason) |
9c915a8c | 4484 | { |
fdd84e25 | 4485 | int retval = SUCCESS, i, j, convert = 0; |
9c915a8c | 4486 | struct megasas_instance *instance; |
8bf7c65d | 4487 | struct megasas_cmd_fusion *cmd_fusion, *r1_cmd; |
9c915a8c | 4488 | struct fusion_context *fusion; |
79b82c2c | 4489 | u32 abs_state, status_reg, reset_adapter; |
fc62b3fc | 4490 | u32 io_timeout_in_crash_mode = 0; |
4026e9aa | 4491 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 | 4492 | struct scsi_device *sdev; |
9c915a8c | 4493 | |
4494 | instance = (struct megasas_instance *)shost->hostdata; | |
4495 | fusion = instance->ctrl_context; | |
4496 | ||
229fe47c | 4497 | mutex_lock(&instance->reset_mutex); |
4498 | ||
8a01a41d | 4499 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 4500 | dev_warn(&instance->pdev->dev, "Hardware critical error, " |
229fe47c | 4501 | "returning FAILED for scsi%d.\n", |
4502 | instance->host->host_no); | |
a2fbcbc3 | 4503 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 4504 | return FAILED; |
9c915a8c | 4505 | } |
fc62b3fc SS |
4506 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); |
4507 | abs_state = status_reg & MFI_STATE_MASK; | |
4508 | ||
4509 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
4510 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
18365b13 SS |
4511 | instance->crash_dump_app_support && reason) { |
4512 | dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " | |
fc62b3fc | 4513 | "forcibly FAULT Firmware\n"); |
8a01a41d | 4514 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
fc62b3fc SS |
4515 | status_reg = readl(&instance->reg_set->doorbell); |
4516 | writel(status_reg | MFI_STATE_FORCE_OCR, | |
4517 | &instance->reg_set->doorbell); | |
4518 | readl(&instance->reg_set->doorbell); | |
4519 | mutex_unlock(&instance->reset_mutex); | |
4520 | do { | |
4521 | ssleep(3); | |
4522 | io_timeout_in_crash_mode++; | |
4523 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
4524 | "seconds for crash dump collection and OCR " | |
4525 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
8a01a41d | 4526 | } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && |
fc62b3fc SS |
4527 | (io_timeout_in_crash_mode < 80)); |
4528 | ||
8a01a41d | 4529 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
fc62b3fc SS |
4530 | dev_info(&instance->pdev->dev, "OCR done for IO " |
4531 | "timeout case\n"); | |
4532 | retval = SUCCESS; | |
4533 | } else { | |
4534 | dev_info(&instance->pdev->dev, "Controller is not " | |
4535 | "operational after 240 seconds wait for IO " | |
4536 | "timeout case in FW crash dump mode\n do " | |
4537 | "OCR/kill adapter\n"); | |
4538 | retval = megasas_reset_fusion(shost, 0); | |
4539 | } | |
4540 | return retval; | |
4541 | } | |
9c915a8c | 4542 | |
229fe47c | 4543 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
4544 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 4545 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
8a01a41d | 4546 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); |
d46a3ad6 | 4547 | instance->instancet->disable_intr(instance); |
29206da1 | 4548 | megasas_sync_irqs((unsigned long)instance); |
7e70e733 | 4549 | |
9c915a8c | 4550 | /* First try waiting for commands to complete */ |
18365b13 | 4551 | if (megasas_wait_for_outstanding_fusion(instance, reason, |
229fe47c | 4552 | &convert)) { |
8a01a41d | 4553 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
1be18254 | 4554 | dev_warn(&instance->pdev->dev, "resetting fusion " |
229fe47c | 4555 | "adapter scsi%d.\n", instance->host->host_no); |
4556 | if (convert) | |
18365b13 | 4557 | reason = 0; |
229fe47c | 4558 | |
def0eab3 S |
4559 | if (megasas_dbg_lvl & OCR_LOGS) |
4560 | dev_info(&instance->pdev->dev, "\nPending SCSI commands:\n"); | |
4561 | ||
9c915a8c | 4562 | /* Now return commands back to the OS */ |
4026e9aa | 4563 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { |
9c915a8c | 4564 | cmd_fusion = fusion->cmd_list[i]; |
69c337c0 | 4565 | /*check for extra commands issued by driver*/ |
f369a315 | 4566 | if (instance->adapter_type == VENTURA_SERIES) { |
8bf7c65d S |
4567 | r1_cmd = fusion->cmd_list[i + instance->max_fw_cmds]; |
4568 | megasas_return_cmd_fusion(instance, r1_cmd); | |
69c337c0 | 4569 | } |
4026e9aa | 4570 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 4571 | if (cmd_fusion->scmd) { |
def0eab3 S |
4572 | if (megasas_dbg_lvl & OCR_LOGS) { |
4573 | sdev_printk(KERN_INFO, | |
4574 | cmd_fusion->scmd->device, "SMID: 0x%x\n", | |
4575 | cmd_fusion->index); | |
4576 | scsi_print_command(cmd_fusion->scmd); | |
4577 | } | |
4578 | ||
4026e9aa | 4579 | scmd_local->result = |
229fe47c | 4580 | megasas_check_mpio_paths(instance, |
4026e9aa | 4581 | scmd_local); |
b71b49c2 SC |
4582 | if (instance->ldio_threshold && |
4583 | megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) | |
308ec459 | 4584 | atomic_dec(&instance->ldio_outstanding); |
9c915a8c | 4585 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
4586 | scsi_dma_unmap(scmd_local); |
4587 | scmd_local->scsi_done(scmd_local); | |
9c915a8c | 4588 | } |
4589 | } | |
4590 | ||
69c337c0 SC |
4591 | atomic_set(&instance->fw_outstanding, 0); |
4592 | ||
7e70e733 | 4593 | status_reg = instance->instancet->read_fw_status_reg( |
4594 | instance->reg_set); | |
4595 | abs_state = status_reg & MFI_STATE_MASK; | |
4596 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
4597 | if (instance->disableOnlineCtrlReset || | |
4598 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c | 4599 | /* Reset not supported, kill adapter */ |
1be18254 | 4600 | dev_warn(&instance->pdev->dev, "Reset not supported" |
229fe47c | 4601 | ", killing adapter scsi%d.\n", |
4602 | instance->host->host_no); | |
9c915a8c | 4603 | megaraid_sas_kill_hba(instance); |
229fe47c | 4604 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c | 4605 | retval = FAILED; |
4606 | goto out; | |
4607 | } | |
4608 | ||
229fe47c | 4609 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
18365b13 | 4610 | if (instance->requestorId && !reason) { |
229fe47c | 4611 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); |
3885c26b | 4612 | goto transition_to_ready; |
229fe47c | 4613 | } |
4614 | ||
9c915a8c | 4615 | /* Now try to reset the chip */ |
4616 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
9c915a8c | 4617 | |
79b82c2c | 4618 | if (instance->instancet->adp_reset |
4619 | (instance, instance->reg_set)) | |
9c915a8c | 4620 | continue; |
3885c26b | 4621 | transition_to_ready: |
9c915a8c | 4622 | /* Wait for FW to become ready */ |
058a8fac | 4623 | if (megasas_transition_to_ready(instance, 1)) { |
3885c26b SS |
4624 | dev_warn(&instance->pdev->dev, |
4625 | "Failed to transition controller to ready for " | |
4626 | "scsi%d.\n", instance->host->host_no); | |
4627 | if (instance->requestorId && !reason) | |
4628 | goto fail_kill_adapter; | |
4629 | else | |
4630 | continue; | |
9c915a8c | 4631 | } |
9c915a8c | 4632 | megasas_reset_reply_desc(instance); |
308ec459 SS |
4633 | megasas_fusion_update_can_queue(instance, OCR_CONTEXT); |
4634 | ||
9c915a8c | 4635 | if (megasas_ioc_init_fusion(instance)) { |
3885c26b SS |
4636 | if (instance->requestorId && !reason) |
4637 | goto fail_kill_adapter; | |
4638 | else | |
4639 | continue; | |
9c915a8c | 4640 | } |
4641 | ||
d009b576 SS |
4642 | if (megasas_get_ctrl_info(instance)) { |
4643 | dev_info(&instance->pdev->dev, | |
4644 | "Failed from %s %d\n", | |
4645 | __func__, __LINE__); | |
d009b576 SS |
4646 | megaraid_sas_kill_hba(instance); |
4647 | retval = FAILED; | |
a6821ca3 | 4648 | goto out; |
d009b576 | 4649 | } |
54b28049 S |
4650 | |
4651 | megasas_refire_mgmt_cmd(instance); | |
4652 | ||
9c915a8c | 4653 | /* Reset load balance info */ |
5fc499b6 S |
4654 | if (fusion->load_balance_info) |
4655 | memset(fusion->load_balance_info, 0, | |
4656 | (sizeof(struct LD_LOAD_BALANCE_INFO) * | |
4657 | MAX_LOGICAL_DRIVES_EXT)); | |
9c915a8c | 4658 | |
4659 | if (!megasas_get_map_info(instance)) | |
4660 | megasas_sync_map_info(instance); | |
4661 | ||
3761cb4c | 4662 | megasas_setup_jbod_map(instance); |
4663 | ||
18365b13 | 4664 | shost_for_each_device(sdev, shost) |
15dd0381 | 4665 | megasas_set_dynamic_target_properties(sdev); |
18365b13 | 4666 | |
fdd84e25 | 4667 | /* reset stream detection array */ |
f369a315 | 4668 | if (instance->adapter_type == VENTURA_SERIES) { |
fdd84e25 SC |
4669 | for (j = 0; j < MAX_LOGICAL_DRIVES_EXT; ++j) { |
4670 | memset(fusion->stream_detect_by_ld[j], | |
4671 | 0, sizeof(struct LD_STREAM_DETECT)); | |
4672 | fusion->stream_detect_by_ld[j]->mru_bit_map | |
4673 | = MR_STREAM_BITMAP; | |
4674 | } | |
4675 | } | |
4676 | ||
ac340c5f SS |
4677 | clear_bit(MEGASAS_FUSION_IN_RESET, |
4678 | &instance->reset_flags); | |
4679 | instance->instancet->enable_intr(instance); | |
8a01a41d | 4680 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
ac340c5f | 4681 | |
2d2c2331 S |
4682 | dev_info(&instance->pdev->dev, "Interrupts are enabled and" |
4683 | " controller is OPERATIONAL for scsi:%d\n", | |
4684 | instance->host->host_no); | |
4685 | ||
229fe47c | 4686 | /* Restart SR-IOV heartbeat */ |
4687 | if (instance->requestorId) { | |
4688 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
c251a7be | 4689 | megasas_start_timer(instance); |
229fe47c | 4690 | else |
4691 | instance->skip_heartbeat_timer_del = 1; | |
4692 | } | |
4693 | ||
ac340c5f SS |
4694 | if (instance->crash_dump_drv_support && |
4695 | instance->crash_dump_app_support) | |
4696 | megasas_set_crash_dump_params(instance, | |
4697 | MR_CRASH_BUF_TURN_ON); | |
4698 | else | |
4699 | megasas_set_crash_dump_params(instance, | |
4700 | MR_CRASH_BUF_TURN_OFF); | |
4701 | ||
9c915a8c | 4702 | retval = SUCCESS; |
2d2c2331 S |
4703 | |
4704 | /* Adapter reset completed successfully */ | |
4705 | dev_warn(&instance->pdev->dev, | |
4706 | "Reset successful for scsi%d.\n", | |
4707 | instance->host->host_no); | |
4708 | ||
9c915a8c | 4709 | goto out; |
4710 | } | |
3885c26b | 4711 | fail_kill_adapter: |
9c915a8c | 4712 | /* Reset failed, kill the adapter */ |
1be18254 | 4713 | dev_warn(&instance->pdev->dev, "Reset failed, killing " |
229fe47c | 4714 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 4715 | megaraid_sas_kill_hba(instance); |
229fe47c | 4716 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c | 4717 | retval = FAILED; |
4718 | } else { | |
229fe47c | 4719 | /* For VF: Restart HB timer if we didn't OCR */ |
4720 | if (instance->requestorId) { | |
c251a7be | 4721 | megasas_start_timer(instance); |
229fe47c | 4722 | } |
3f0e58bc | 4723 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 4724 | instance->instancet->enable_intr(instance); |
8a01a41d | 4725 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
9c915a8c | 4726 | } |
4727 | out: | |
4728 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
4729 | mutex_unlock(&instance->reset_mutex); | |
4730 | return retval; | |
4731 | } | |
4732 | ||
fc62b3fc SS |
4733 | /* Fusion Crash dump collection work queue */ |
4734 | void megasas_fusion_crash_dump_wq(struct work_struct *work) | |
4735 | { | |
4736 | struct megasas_instance *instance = | |
4737 | container_of(work, struct megasas_instance, crash_init); | |
4738 | u32 status_reg; | |
4739 | u8 partial_copy = 0; | |
4740 | ||
4741 | ||
4742 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); | |
4743 | ||
4744 | /* | |
4745 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
4746 | * to host crash buffers | |
4747 | */ | |
4748 | if (instance->drv_buf_index == 0) { | |
4749 | /* Buffer is already allocated for old Crash dump. | |
4750 | * Do OCR and do not wait for crash dump collection | |
4751 | */ | |
4752 | if (instance->drv_buf_alloc) { | |
4753 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
4754 | "not yet copied by application, ignoring this " | |
4755 | "crash dump and initiating OCR\n"); | |
4756 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
4757 | writel(status_reg, | |
4758 | &instance->reg_set->outbound_scratch_pad); | |
4759 | readl(&instance->reg_set->outbound_scratch_pad); | |
4760 | return; | |
4761 | } | |
4762 | megasas_alloc_host_crash_buffer(instance); | |
4763 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
4764 | "allocated: %d\n", instance->drv_buf_alloc); | |
4765 | } | |
4766 | ||
4767 | /* | |
4768 | * Driver has allocated max buffers, which can be allocated | |
4769 | * and FW has more crash dump data, then driver will | |
4770 | * ignore the data. | |
4771 | */ | |
4772 | if (instance->drv_buf_index >= (instance->drv_buf_alloc)) { | |
4773 | dev_info(&instance->pdev->dev, "Driver is done copying " | |
4774 | "the buffer: %d\n", instance->drv_buf_alloc); | |
4775 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
4776 | partial_copy = 1; | |
4777 | } else { | |
4778 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
4779 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
4780 | instance->drv_buf_index++; | |
4781 | status_reg &= ~MFI_STATE_DMADONE; | |
4782 | } | |
4783 | ||
4784 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
4785 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
4786 | "of copied buffers: %d\n", instance->drv_buf_index); | |
4787 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
4788 | instance->fw_crash_state = AVAILABLE; | |
4789 | instance->drv_buf_index = 0; | |
4790 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
4791 | readl(&instance->reg_set->outbound_scratch_pad); | |
4792 | if (!partial_copy) | |
4793 | megasas_reset_fusion(instance->host, 0); | |
4794 | } else { | |
4795 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
4796 | readl(&instance->reg_set->outbound_scratch_pad); | |
4797 | } | |
4798 | } | |
4799 | ||
4800 | ||
9c915a8c | 4801 | /* Fusion OCR work queue */ |
4802 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
4803 | { | |
4804 | struct megasas_instance *instance = | |
4805 | container_of(work, struct megasas_instance, work_init); | |
4806 | ||
229fe47c | 4807 | megasas_reset_fusion(instance->host, 0); |
9c915a8c | 4808 | } |
4809 | ||
5fc499b6 S |
4810 | /* Allocate fusion context */ |
4811 | int | |
4812 | megasas_alloc_fusion_context(struct megasas_instance *instance) | |
4813 | { | |
4814 | struct fusion_context *fusion; | |
4815 | ||
2dd689c8 S |
4816 | instance->ctrl_context = kzalloc(sizeof(struct fusion_context), |
4817 | GFP_KERNEL); | |
5fc499b6 | 4818 | if (!instance->ctrl_context) { |
2dd689c8 S |
4819 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
4820 | __func__, __LINE__); | |
4821 | return -ENOMEM; | |
5fc499b6 S |
4822 | } |
4823 | ||
4824 | fusion = instance->ctrl_context; | |
4825 | ||
2dd689c8 S |
4826 | fusion->log_to_span_pages = get_order(MAX_LOGICAL_DRIVES_EXT * |
4827 | sizeof(LD_SPAN_INFO)); | |
4828 | fusion->log_to_span = | |
4829 | (PLD_SPAN_INFO)__get_free_pages(GFP_KERNEL | __GFP_ZERO, | |
4830 | fusion->log_to_span_pages); | |
4831 | if (!fusion->log_to_span) { | |
4832 | fusion->log_to_span = vzalloc(MAX_LOGICAL_DRIVES_EXT * | |
4833 | sizeof(LD_SPAN_INFO)); | |
4834 | if (!fusion->log_to_span) { | |
4835 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
4836 | __func__, __LINE__); | |
4837 | return -ENOMEM; | |
4838 | } | |
4839 | } | |
4840 | ||
5fc499b6 S |
4841 | fusion->load_balance_info_pages = get_order(MAX_LOGICAL_DRIVES_EXT * |
4842 | sizeof(struct LD_LOAD_BALANCE_INFO)); | |
4843 | fusion->load_balance_info = | |
4844 | (struct LD_LOAD_BALANCE_INFO *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, | |
4845 | fusion->load_balance_info_pages); | |
4846 | if (!fusion->load_balance_info) { | |
4847 | fusion->load_balance_info = vzalloc(MAX_LOGICAL_DRIVES_EXT * | |
4848 | sizeof(struct LD_LOAD_BALANCE_INFO)); | |
4849 | if (!fusion->load_balance_info) | |
4850 | dev_err(&instance->pdev->dev, "Failed to allocate load_balance_info, " | |
4851 | "continuing without Load Balance support\n"); | |
4852 | } | |
4853 | ||
4854 | return 0; | |
4855 | } | |
4856 | ||
4857 | void | |
4858 | megasas_free_fusion_context(struct megasas_instance *instance) | |
4859 | { | |
4860 | struct fusion_context *fusion = instance->ctrl_context; | |
4861 | ||
4862 | if (fusion) { | |
4863 | if (fusion->load_balance_info) { | |
4864 | if (is_vmalloc_addr(fusion->load_balance_info)) | |
4865 | vfree(fusion->load_balance_info); | |
4866 | else | |
4867 | free_pages((ulong)fusion->load_balance_info, | |
4868 | fusion->load_balance_info_pages); | |
4869 | } | |
4870 | ||
2dd689c8 S |
4871 | if (fusion->log_to_span) { |
4872 | if (is_vmalloc_addr(fusion->log_to_span)) | |
4873 | vfree(fusion->log_to_span); | |
4874 | else | |
4875 | free_pages((ulong)fusion->log_to_span, | |
4876 | fusion->log_to_span_pages); | |
4877 | } | |
4878 | ||
4879 | kfree(fusion); | |
5fc499b6 S |
4880 | } |
4881 | } | |
4882 | ||
9c915a8c | 4883 | struct megasas_instance_template megasas_instance_template_fusion = { |
9c915a8c | 4884 | .enable_intr = megasas_enable_intr_fusion, |
4885 | .disable_intr = megasas_disable_intr_fusion, | |
4886 | .clear_intr = megasas_clear_intr_fusion, | |
4887 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
4888 | .adp_reset = megasas_adp_reset_fusion, | |
4889 | .check_reset = megasas_check_reset_fusion, | |
4890 | .service_isr = megasas_isr_fusion, | |
4891 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
4892 | .init_adapter = megasas_init_adapter_fusion, | |
4893 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
4894 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
4895 | }; |