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> | |
50 | ||
51 | #include <scsi/scsi.h> | |
52 | #include <scsi/scsi_cmnd.h> | |
53 | #include <scsi/scsi_device.h> | |
54 | #include <scsi/scsi_host.h> | |
90dc9d98 | 55 | #include <scsi/scsi_dbg.h> |
5765c5b8 | 56 | #include <linux/dmi.h> |
9c915a8c | 57 | |
58 | #include "megaraid_sas_fusion.h" | |
59 | #include "megaraid_sas.h" | |
60 | ||
4026e9aa | 61 | |
9c915a8c | 62 | extern void megasas_free_cmds(struct megasas_instance *instance); |
63 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
64 | *instance); | |
65 | extern void | |
66 | megasas_complete_cmd(struct megasas_instance *instance, | |
67 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 68 | int |
229fe47c | 69 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
70 | int seconds); | |
9c915a8c | 71 | |
72 | void | |
73 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
74 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
75 | int | |
76 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs); | |
77 | int | |
78 | megasas_issue_polled(struct megasas_instance *instance, | |
79 | struct megasas_cmd *cmd); | |
53ef2bbd | 80 | void |
81 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
82 | ||
058a8fac | 83 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c | 84 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
85 | ||
86 | extern u32 megasas_dbg_lvl; | |
229fe47c | 87 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr); |
88 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
89 | int initial); | |
90 | void megasas_start_timer(struct megasas_instance *instance, | |
91 | struct timer_list *timer, | |
92 | void *fn, unsigned long interval); | |
93 | extern struct megasas_mgmt_info megasas_mgmt_info; | |
e3d178ca | 94 | extern unsigned int resetwaittime; |
308ec459 | 95 | extern unsigned int dual_qdepth_disable; |
179ac142 SS |
96 | static void megasas_free_rdpq_fusion(struct megasas_instance *instance); |
97 | static void megasas_free_reply_fusion(struct megasas_instance *instance); | |
9c915a8c | 98 | |
fc62b3fc SS |
99 | |
100 | ||
9c915a8c | 101 | /** |
102 | * megasas_enable_intr_fusion - Enables interrupts | |
103 | * @regs: MFI register set | |
104 | */ | |
105 | void | |
d46a3ad6 | 106 | megasas_enable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 107 | { |
d46a3ad6 SS |
108 | struct megasas_register_set __iomem *regs; |
109 | regs = instance->reg_set; | |
c2ced171 SS |
110 | |
111 | instance->mask_interrupts = 0; | |
6497b247 | 112 | /* For Thunderbolt/Invader also clear intr on enable */ |
113 | writel(~0, ®s->outbound_intr_status); | |
114 | readl(®s->outbound_intr_status); | |
115 | ||
9c915a8c | 116 | writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); |
117 | ||
118 | /* Dummy readl to force pci flush */ | |
119 | readl(®s->outbound_intr_mask); | |
120 | } | |
121 | ||
122 | /** | |
123 | * megasas_disable_intr_fusion - Disables interrupt | |
124 | * @regs: MFI register set | |
125 | */ | |
126 | void | |
d46a3ad6 | 127 | megasas_disable_intr_fusion(struct megasas_instance *instance) |
9c915a8c | 128 | { |
129 | u32 mask = 0xFFFFFFFF; | |
130 | u32 status; | |
d46a3ad6 SS |
131 | struct megasas_register_set __iomem *regs; |
132 | regs = instance->reg_set; | |
133 | instance->mask_interrupts = 1; | |
9c915a8c | 134 | |
135 | writel(mask, ®s->outbound_intr_mask); | |
136 | /* Dummy readl to force pci flush */ | |
137 | status = readl(®s->outbound_intr_mask); | |
138 | } | |
139 | ||
140 | int | |
141 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs) | |
142 | { | |
143 | u32 status; | |
144 | /* | |
145 | * Check if it is our interrupt | |
146 | */ | |
147 | status = readl(®s->outbound_intr_status); | |
148 | ||
149 | if (status & 1) { | |
150 | writel(status, ®s->outbound_intr_status); | |
151 | readl(®s->outbound_intr_status); | |
152 | return 1; | |
153 | } | |
154 | if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK)) | |
155 | return 0; | |
156 | ||
9c915a8c | 157 | return 1; |
158 | } | |
159 | ||
160 | /** | |
161 | * megasas_get_cmd_fusion - Get a command from the free pool | |
162 | * @instance: Adapter soft state | |
163 | * | |
4026e9aa | 164 | * Returns a blk_tag indexed mpt frame |
9c915a8c | 165 | */ |
4026e9aa SS |
166 | inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance |
167 | *instance, u32 blk_tag) | |
9c915a8c | 168 | { |
4026e9aa | 169 | struct fusion_context *fusion; |
9c915a8c | 170 | |
4026e9aa SS |
171 | fusion = instance->ctrl_context; |
172 | return fusion->cmd_list[blk_tag]; | |
9c915a8c | 173 | } |
174 | ||
175 | /** | |
176 | * megasas_return_cmd_fusion - Return a cmd to free command pool | |
177 | * @instance: Adapter soft state | |
178 | * @cmd: Command packet to be returned to free command pool | |
179 | */ | |
90dc9d98 SS |
180 | inline void megasas_return_cmd_fusion(struct megasas_instance *instance, |
181 | struct megasas_cmd_fusion *cmd) | |
9c915a8c | 182 | { |
9c915a8c | 183 | cmd->scmd = NULL; |
7497cde8 | 184 | memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); |
90dc9d98 SS |
185 | } |
186 | ||
187 | /** | |
01d7f03b | 188 | * megasas_fire_cmd_fusion - Sends command to the FW |
90dc9d98 | 189 | */ |
01d7f03b CH |
190 | static void |
191 | megasas_fire_cmd_fusion(struct megasas_instance *instance, | |
192 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc) | |
90dc9d98 | 193 | { |
01d7f03b CH |
194 | #if defined(writeq) && defined(CONFIG_64BIT) |
195 | u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | | |
196 | le32_to_cpu(req_desc->u.low)); | |
197 | ||
198 | writeq(req_data, &instance->reg_set->inbound_low_queue_port); | |
199 | #else | |
90dc9d98 SS |
200 | unsigned long flags; |
201 | ||
01d7f03b CH |
202 | spin_lock_irqsave(&instance->hba_lock, flags); |
203 | writel(le32_to_cpu(req_desc->u.low), | |
204 | &instance->reg_set->inbound_low_queue_port); | |
205 | writel(le32_to_cpu(req_desc->u.high), | |
206 | &instance->reg_set->inbound_high_queue_port); | |
b99dbe56 | 207 | mmiowb(); |
01d7f03b CH |
208 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
209 | #endif | |
9c915a8c | 210 | } |
211 | ||
308ec459 SS |
212 | /** |
213 | * megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here | |
214 | * @instance: Adapter soft state | |
215 | * fw_boot_context: Whether this function called during probe or after OCR | |
216 | * | |
217 | * This function is only for fusion controllers. | |
218 | * Update host can queue, if firmware downgrade max supported firmware commands. | |
219 | * Firmware upgrade case will be skiped because underlying firmware has | |
220 | * more resource than exposed to the OS. | |
221 | * | |
222 | */ | |
223 | static void | |
224 | megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_context) | |
225 | { | |
226 | u16 cur_max_fw_cmds = 0; | |
227 | u16 ldio_threshold = 0; | |
228 | struct megasas_register_set __iomem *reg_set; | |
229 | ||
230 | reg_set = instance->reg_set; | |
231 | ||
232 | cur_max_fw_cmds = readl(&instance->reg_set->outbound_scratch_pad_3) & 0x00FFFF; | |
233 | ||
234 | if (dual_qdepth_disable || !cur_max_fw_cmds) | |
235 | cur_max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; | |
236 | else | |
237 | ldio_threshold = | |
238 | (instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS; | |
239 | ||
240 | dev_info(&instance->pdev->dev, | |
241 | "Current firmware maximum commands: %d\t LDIO threshold: %d\n", | |
242 | cur_max_fw_cmds, ldio_threshold); | |
243 | ||
244 | if (fw_boot_context == OCR_CONTEXT) { | |
245 | cur_max_fw_cmds = cur_max_fw_cmds - 1; | |
246 | if (cur_max_fw_cmds <= instance->max_fw_cmds) { | |
247 | instance->cur_can_queue = | |
248 | cur_max_fw_cmds - (MEGASAS_FUSION_INTERNAL_CMDS + | |
249 | MEGASAS_FUSION_IOCTL_CMDS); | |
250 | instance->host->can_queue = instance->cur_can_queue; | |
251 | instance->ldio_threshold = ldio_threshold; | |
252 | } | |
253 | } else { | |
254 | instance->max_fw_cmds = cur_max_fw_cmds; | |
255 | instance->ldio_threshold = ldio_threshold; | |
256 | ||
257 | if (!instance->is_rdpq) | |
258 | instance->max_fw_cmds = min_t(u16, instance->max_fw_cmds, 1024); | |
259 | ||
260 | /* | |
261 | * Reduce the max supported cmds by 1. This is to ensure that the | |
262 | * reply_q_sz (1 more than the max cmd that driver may send) | |
263 | * does not exceed max cmds that the FW can support | |
264 | */ | |
265 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
266 | ||
267 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
268 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
269 | MEGASAS_FUSION_IOCTL_CMDS); | |
270 | instance->cur_can_queue = instance->max_scsi_cmds; | |
271 | } | |
272 | } | |
9c915a8c | 273 | /** |
179ac142 SS |
274 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool |
275 | * @instance: Adapter soft state | |
9c915a8c | 276 | */ |
179ac142 SS |
277 | void |
278 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
9c915a8c | 279 | { |
280 | int i; | |
281 | struct fusion_context *fusion = instance->ctrl_context; | |
9c915a8c | 282 | struct megasas_cmd_fusion *cmd; |
283 | ||
179ac142 SS |
284 | /* SG, Sense */ |
285 | for (i = 0; i < instance->max_fw_cmds; i++) { | |
9c915a8c | 286 | cmd = fusion->cmd_list[i]; |
179ac142 SS |
287 | if (cmd) { |
288 | if (cmd->sg_frame) | |
289 | pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, | |
9c915a8c | 290 | cmd->sg_frame_phys_addr); |
179ac142 SS |
291 | if (cmd->sense) |
292 | pci_pool_free(fusion->sense_dma_pool, cmd->sense, | |
9c915a8c | 293 | cmd->sense_phys_addr); |
179ac142 | 294 | } |
9c915a8c | 295 | } |
296 | ||
179ac142 SS |
297 | if (fusion->sg_dma_pool) { |
298 | pci_pool_destroy(fusion->sg_dma_pool); | |
299 | fusion->sg_dma_pool = NULL; | |
300 | } | |
301 | if (fusion->sense_dma_pool) { | |
302 | pci_pool_destroy(fusion->sense_dma_pool); | |
303 | fusion->sense_dma_pool = NULL; | |
304 | } | |
9c915a8c | 305 | |
9c915a8c | 306 | |
179ac142 SS |
307 | /* Reply Frame, Desc*/ |
308 | if (instance->is_rdpq) | |
309 | megasas_free_rdpq_fusion(instance); | |
310 | else | |
311 | megasas_free_reply_fusion(instance); | |
9c915a8c | 312 | |
179ac142 | 313 | /* Request Frame, Desc*/ |
9c915a8c | 314 | if (fusion->req_frames_desc) |
179ac142 SS |
315 | dma_free_coherent(&instance->pdev->dev, |
316 | fusion->request_alloc_sz, fusion->req_frames_desc, | |
317 | fusion->req_frames_desc_phys); | |
318 | if (fusion->io_request_frames) | |
9c915a8c | 319 | pci_pool_free(fusion->io_request_frames_pool, |
179ac142 SS |
320 | fusion->io_request_frames, |
321 | fusion->io_request_frames_phys); | |
322 | if (fusion->io_request_frames_pool) { | |
9c915a8c | 323 | pci_pool_destroy(fusion->io_request_frames_pool); |
179ac142 | 324 | fusion->io_request_frames_pool = NULL; |
9c915a8c | 325 | } |
326 | ||
9c915a8c | 327 | |
179ac142 SS |
328 | /* cmd_list */ |
329 | for (i = 0; i < instance->max_fw_cmds; i++) | |
9c915a8c | 330 | kfree(fusion->cmd_list[i]); |
331 | ||
9c915a8c | 332 | kfree(fusion->cmd_list); |
9c915a8c | 333 | } |
334 | ||
335 | /** | |
179ac142 | 336 | * megasas_create_sg_sense_fusion - Creates DMA pool for cmd frames |
9c915a8c | 337 | * @instance: Adapter soft state |
338 | * | |
339 | */ | |
179ac142 | 340 | static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) |
9c915a8c | 341 | { |
342 | int i; | |
343 | u32 max_cmd; | |
344 | struct fusion_context *fusion; | |
345 | struct megasas_cmd_fusion *cmd; | |
9c915a8c | 346 | |
347 | fusion = instance->ctrl_context; | |
348 | max_cmd = instance->max_fw_cmds; | |
349 | ||
9c915a8c | 350 | |
179ac142 SS |
351 | fusion->sg_dma_pool = |
352 | pci_pool_create("mr_sg", instance->pdev, | |
353 | instance->max_chain_frame_sz, 4, 0); | |
354 | /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ | |
355 | fusion->sense_dma_pool = | |
356 | pci_pool_create("mr_sense", instance->pdev, | |
357 | SCSI_SENSE_BUFFERSIZE, 64, 0); | |
9c915a8c | 358 | |
179ac142 SS |
359 | if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { |
360 | dev_err(&instance->pdev->dev, | |
361 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c | 362 | return -ENOMEM; |
363 | } | |
364 | ||
365 | /* | |
366 | * Allocate and attach a frame to each of the commands in cmd_list | |
367 | */ | |
368 | for (i = 0; i < max_cmd; i++) { | |
9c915a8c | 369 | cmd = fusion->cmd_list[i]; |
9c915a8c | 370 | cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, |
179ac142 | 371 | GFP_KERNEL, &cmd->sg_frame_phys_addr); |
9c915a8c | 372 | |
373 | cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, | |
179ac142 | 374 | GFP_KERNEL, &cmd->sense_phys_addr); |
9c915a8c | 375 | if (!cmd->sg_frame || !cmd->sense) { |
179ac142 SS |
376 | dev_err(&instance->pdev->dev, |
377 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c | 378 | return -ENOMEM; |
379 | } | |
380 | } | |
381 | return 0; | |
382 | } | |
383 | ||
9c915a8c | 384 | int |
179ac142 | 385 | megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) |
9c915a8c | 386 | { |
179ac142 | 387 | u32 max_cmd, i; |
9c915a8c | 388 | struct fusion_context *fusion; |
9c915a8c | 389 | |
390 | fusion = instance->ctrl_context; | |
391 | ||
392 | max_cmd = instance->max_fw_cmds; | |
393 | ||
179ac142 SS |
394 | /* |
395 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
396 | * Allocate the dynamic array first and then allocate individual | |
397 | * commands. | |
398 | */ | |
399 | fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) * max_cmd, | |
400 | GFP_KERNEL); | |
401 | if (!fusion->cmd_list) { | |
402 | dev_err(&instance->pdev->dev, | |
403 | "Failed from %s %d\n", __func__, __LINE__); | |
404 | return -ENOMEM; | |
405 | } | |
406 | ||
407 | for (i = 0; i < max_cmd; i++) { | |
408 | fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), | |
409 | GFP_KERNEL); | |
410 | if (!fusion->cmd_list[i]) { | |
411 | dev_err(&instance->pdev->dev, | |
412 | "Failed from %s %d\n", __func__, __LINE__); | |
413 | return -ENOMEM; | |
414 | } | |
415 | } | |
416 | return 0; | |
417 | } | |
418 | int | |
419 | megasas_alloc_request_fusion(struct megasas_instance *instance) | |
420 | { | |
421 | struct fusion_context *fusion; | |
422 | ||
423 | fusion = instance->ctrl_context; | |
424 | ||
9c915a8c | 425 | fusion->req_frames_desc = |
426 | dma_alloc_coherent(&instance->pdev->dev, | |
179ac142 SS |
427 | fusion->request_alloc_sz, |
428 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
9c915a8c | 429 | if (!fusion->req_frames_desc) { |
179ac142 SS |
430 | dev_err(&instance->pdev->dev, |
431 | "Failed from %s %d\n", __func__, __LINE__); | |
432 | return -ENOMEM; | |
9c915a8c | 433 | } |
434 | ||
179ac142 SS |
435 | fusion->io_request_frames_pool = |
436 | pci_pool_create("mr_ioreq", instance->pdev, | |
437 | fusion->io_frames_alloc_sz, 16, 0); | |
438 | ||
439 | if (!fusion->io_request_frames_pool) { | |
440 | dev_err(&instance->pdev->dev, | |
441 | "Failed from %s %d\n", __func__, __LINE__); | |
442 | return -ENOMEM; | |
443 | } | |
444 | ||
445 | fusion->io_request_frames = | |
446 | pci_pool_alloc(fusion->io_request_frames_pool, | |
447 | GFP_KERNEL, &fusion->io_request_frames_phys); | |
448 | if (!fusion->io_request_frames) { | |
449 | dev_err(&instance->pdev->dev, | |
450 | "Failed from %s %d\n", __func__, __LINE__); | |
451 | return -ENOMEM; | |
452 | } | |
453 | return 0; | |
454 | } | |
455 | ||
456 | int | |
457 | megasas_alloc_reply_fusion(struct megasas_instance *instance) | |
458 | { | |
459 | int i, count; | |
460 | struct fusion_context *fusion; | |
461 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
462 | fusion = instance->ctrl_context; | |
463 | ||
c8e858fe | 464 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c | 465 | fusion->reply_frames_desc_pool = |
179ac142 | 466 | pci_pool_create("mr_reply", instance->pdev, |
c8e858fe | 467 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c | 468 | |
469 | if (!fusion->reply_frames_desc_pool) { | |
179ac142 SS |
470 | dev_err(&instance->pdev->dev, |
471 | "Failed from %s %d\n", __func__, __LINE__); | |
472 | return -ENOMEM; | |
9c915a8c | 473 | } |
474 | ||
179ac142 SS |
475 | fusion->reply_frames_desc[0] = |
476 | pci_pool_alloc(fusion->reply_frames_desc_pool, | |
477 | GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); | |
478 | if (!fusion->reply_frames_desc[0]) { | |
479 | dev_err(&instance->pdev->dev, | |
480 | "Failed from %s %d\n", __func__, __LINE__); | |
481 | return -ENOMEM; | |
9c915a8c | 482 | } |
179ac142 | 483 | reply_desc = fusion->reply_frames_desc[0]; |
c8e858fe | 484 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 485 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 486 | |
179ac142 SS |
487 | /* This is not a rdpq mode, but driver still populate |
488 | * reply_frame_desc array to use same msix index in ISR path. | |
489 | */ | |
490 | for (i = 0; i < (count - 1); i++) | |
491 | fusion->reply_frames_desc[i + 1] = | |
492 | fusion->reply_frames_desc[i] + | |
493 | (fusion->reply_alloc_sz)/sizeof(union MPI2_REPLY_DESCRIPTORS_UNION); | |
9c915a8c | 494 | |
179ac142 SS |
495 | return 0; |
496 | } | |
9c915a8c | 497 | |
179ac142 SS |
498 | int |
499 | megasas_alloc_rdpq_fusion(struct megasas_instance *instance) | |
500 | { | |
501 | int i, j, count; | |
502 | struct fusion_context *fusion; | |
503 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
504 | ||
505 | fusion = instance->ctrl_context; | |
506 | ||
507 | fusion->rdpq_virt = pci_alloc_consistent(instance->pdev, | |
508 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, | |
509 | &fusion->rdpq_phys); | |
510 | if (!fusion->rdpq_virt) { | |
511 | dev_err(&instance->pdev->dev, | |
512 | "Failed from %s %d\n", __func__, __LINE__); | |
513 | return -ENOMEM; | |
9c915a8c | 514 | } |
515 | ||
179ac142 SS |
516 | memset(fusion->rdpq_virt, 0, |
517 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION); | |
518 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
519 | fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq", | |
520 | instance->pdev, fusion->reply_alloc_sz, 16, 0); | |
521 | ||
522 | if (!fusion->reply_frames_desc_pool) { | |
523 | dev_err(&instance->pdev->dev, | |
524 | "Failed from %s %d\n", __func__, __LINE__); | |
525 | return -ENOMEM; | |
9c915a8c | 526 | } |
527 | ||
179ac142 SS |
528 | for (i = 0; i < count; i++) { |
529 | fusion->reply_frames_desc[i] = | |
530 | pci_pool_alloc(fusion->reply_frames_desc_pool, | |
531 | GFP_KERNEL, &fusion->reply_frames_desc_phys[i]); | |
532 | if (!fusion->reply_frames_desc[i]) { | |
533 | dev_err(&instance->pdev->dev, | |
534 | "Failed from %s %d\n", __func__, __LINE__); | |
535 | return -ENOMEM; | |
536 | } | |
9c915a8c | 537 | |
179ac142 SS |
538 | fusion->rdpq_virt[i].RDPQBaseAddress = |
539 | fusion->reply_frames_desc_phys[i]; | |
540 | ||
541 | reply_desc = fusion->reply_frames_desc[i]; | |
542 | for (j = 0; j < fusion->reply_q_depth; j++, reply_desc++) | |
543 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
9c915a8c | 544 | } |
179ac142 SS |
545 | return 0; |
546 | } | |
9c915a8c | 547 | |
179ac142 SS |
548 | static void |
549 | megasas_free_rdpq_fusion(struct megasas_instance *instance) { | |
9c915a8c | 550 | |
179ac142 SS |
551 | int i; |
552 | struct fusion_context *fusion; | |
9c915a8c | 553 | |
179ac142 SS |
554 | fusion = instance->ctrl_context; |
555 | ||
556 | for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) { | |
557 | if (fusion->reply_frames_desc[i]) | |
558 | pci_pool_free(fusion->reply_frames_desc_pool, | |
559 | fusion->reply_frames_desc[i], | |
560 | fusion->reply_frames_desc_phys[i]); | |
9c915a8c | 561 | } |
562 | ||
179ac142 SS |
563 | if (fusion->reply_frames_desc_pool) |
564 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
565 | ||
566 | if (fusion->rdpq_virt) | |
567 | pci_free_consistent(instance->pdev, | |
568 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, | |
569 | fusion->rdpq_virt, fusion->rdpq_phys); | |
570 | } | |
571 | ||
572 | static void | |
573 | megasas_free_reply_fusion(struct megasas_instance *instance) { | |
574 | ||
575 | struct fusion_context *fusion; | |
576 | ||
577 | fusion = instance->ctrl_context; | |
578 | ||
579 | if (fusion->reply_frames_desc[0]) | |
580 | pci_pool_free(fusion->reply_frames_desc_pool, | |
581 | fusion->reply_frames_desc[0], | |
582 | fusion->reply_frames_desc_phys[0]); | |
583 | ||
584 | if (fusion->reply_frames_desc_pool) | |
585 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
586 | ||
587 | } | |
588 | ||
589 | ||
590 | /** | |
591 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
592 | * @instance: Adapter soft state | |
593 | * | |
594 | * | |
595 | * Each frame has a 32-bit field called context. This context is used to get | |
596 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
597 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
598 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
599 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
600 | * | |
601 | * cmds are formed in the io_request and sg_frame members of the | |
602 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
603 | * and is used as SMID of the cmd. | |
604 | * SMID value range is from 1 to max_fw_cmds. | |
605 | */ | |
606 | int | |
607 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
608 | { | |
609 | int i; | |
610 | struct fusion_context *fusion; | |
611 | struct megasas_cmd_fusion *cmd; | |
612 | u32 offset; | |
613 | dma_addr_t io_req_base_phys; | |
614 | u8 *io_req_base; | |
615 | ||
616 | ||
617 | fusion = instance->ctrl_context; | |
618 | ||
619 | if (megasas_alloc_cmdlist_fusion(instance)) | |
620 | goto fail_exit; | |
621 | ||
622 | if (megasas_alloc_request_fusion(instance)) | |
623 | goto fail_exit; | |
624 | ||
625 | if (instance->is_rdpq) { | |
626 | if (megasas_alloc_rdpq_fusion(instance)) | |
627 | goto fail_exit; | |
628 | } else | |
629 | if (megasas_alloc_reply_fusion(instance)) | |
630 | goto fail_exit; | |
631 | ||
632 | ||
633 | /* The first 256 bytes (SMID 0) is not used. Don't add to the cmd list */ | |
634 | io_req_base = fusion->io_request_frames + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
635 | io_req_base_phys = fusion->io_request_frames_phys + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
9c915a8c | 636 | |
637 | /* | |
638 | * Add all the commands to command pool (fusion->cmd_pool) | |
639 | */ | |
640 | ||
641 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
179ac142 | 642 | for (i = 0; i < instance->max_fw_cmds; i++) { |
9c915a8c | 643 | cmd = fusion->cmd_list[i]; |
644 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
645 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
646 | cmd->index = i + 1; | |
647 | cmd->scmd = NULL; | |
4026e9aa SS |
648 | cmd->sync_cmd_idx = (i >= instance->max_scsi_cmds) ? |
649 | (i - instance->max_scsi_cmds) : | |
650 | (u32)ULONG_MAX; /* Set to Invalid */ | |
9c915a8c | 651 | cmd->instance = instance; |
652 | cmd->io_request = | |
653 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
654 | (io_req_base + offset); | |
655 | memset(cmd->io_request, 0, | |
656 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
657 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
9c915a8c | 658 | } |
659 | ||
179ac142 SS |
660 | if (megasas_create_sg_sense_fusion(instance)) |
661 | goto fail_exit; | |
9c915a8c | 662 | |
663 | return 0; | |
664 | ||
179ac142 SS |
665 | fail_exit: |
666 | megasas_free_cmds_fusion(instance); | |
9c915a8c | 667 | return -ENOMEM; |
668 | } | |
669 | ||
670 | /** | |
671 | * wait_and_poll - Issues a polling command | |
672 | * @instance: Adapter soft state | |
673 | * @cmd: Command packet to be issued | |
674 | * | |
675 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
676 | */ | |
677 | int | |
229fe47c | 678 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
679 | int seconds) | |
9c915a8c | 680 | { |
681 | int i; | |
682 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 683 | struct fusion_context *fusion; |
9c915a8c | 684 | |
229fe47c | 685 | u32 msecs = seconds * 1000; |
9c915a8c | 686 | |
90dc9d98 | 687 | fusion = instance->ctrl_context; |
9c915a8c | 688 | /* |
689 | * Wait for cmd_status to change | |
690 | */ | |
691 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
692 | rmb(); | |
693 | msleep(20); | |
694 | } | |
695 | ||
6d40afbc SS |
696 | if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS) |
697 | return DCMD_TIMEOUT; | |
698 | else if (frame_hdr->cmd_status == MFI_STAT_OK) | |
699 | return DCMD_SUCCESS; | |
700 | else | |
701 | return DCMD_FAILED; | |
9c915a8c | 702 | } |
703 | ||
704 | /** | |
705 | * megasas_ioc_init_fusion - Initializes the FW | |
706 | * @instance: Adapter soft state | |
707 | * | |
708 | * Issues the IOC Init cmd | |
709 | */ | |
710 | int | |
711 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
712 | { | |
713 | struct megasas_init_frame *init_frame; | |
179ac142 | 714 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage = NULL; |
9c915a8c | 715 | dma_addr_t ioc_init_handle; |
9c915a8c | 716 | struct megasas_cmd *cmd; |
179ac142 | 717 | u8 ret, cur_rdpq_mode; |
9c915a8c | 718 | struct fusion_context *fusion; |
c77a9bd8 | 719 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c | 720 | int i; |
721 | struct megasas_header *frame_hdr; | |
5765c5b8 | 722 | const char *sys_info; |
4dbbe3ce | 723 | MFI_CAPABILITIES *drv_ops; |
179ac142 | 724 | u32 scratch_pad_2; |
9c915a8c | 725 | |
726 | fusion = instance->ctrl_context; | |
727 | ||
728 | cmd = megasas_get_cmd(instance); | |
729 | ||
730 | if (!cmd) { | |
1be18254 | 731 | dev_err(&instance->pdev->dev, "Could not allocate cmd for INIT Frame\n"); |
9c915a8c | 732 | ret = 1; |
733 | goto fail_get_cmd; | |
734 | } | |
735 | ||
179ac142 SS |
736 | scratch_pad_2 = readl |
737 | (&instance->reg_set->outbound_scratch_pad_2); | |
738 | ||
739 | cur_rdpq_mode = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? 1 : 0; | |
740 | ||
741 | if (instance->is_rdpq && !cur_rdpq_mode) { | |
742 | dev_err(&instance->pdev->dev, "Firmware downgrade *NOT SUPPORTED*" | |
743 | " from RDPQ mode to non RDPQ mode\n"); | |
744 | ret = 1; | |
745 | goto fail_fw_init; | |
746 | } | |
747 | ||
9c915a8c | 748 | IOCInitMessage = |
749 | dma_alloc_coherent(&instance->pdev->dev, | |
750 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
751 | &ioc_init_handle, GFP_KERNEL); | |
752 | ||
753 | if (!IOCInitMessage) { | |
1be18254 | 754 | dev_err(&instance->pdev->dev, "Could not allocate memory for " |
9c915a8c | 755 | "IOCInitMessage\n"); |
756 | ret = 1; | |
757 | goto fail_fw_init; | |
758 | } | |
759 | ||
760 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); | |
761 | ||
762 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
763 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
764 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
765 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
766 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
767 | ||
768 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
179ac142 SS |
769 | IOCInitMessage->ReplyDescriptorPostQueueAddress = instance->is_rdpq ? |
770 | cpu_to_le64(fusion->rdpq_phys) : | |
771 | cpu_to_le64(fusion->reply_frames_desc_phys[0]); | |
772 | IOCInitMessage->MsgFlags = instance->is_rdpq ? | |
773 | MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE : 0; | |
94cd65dd | 774 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); |
5738f996 | 775 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
9c915a8c | 776 | init_frame = (struct megasas_init_frame *)cmd->frame; |
777 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
778 | ||
779 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 780 | frame_hdr->cmd_status = 0xFF; |
48433bd7 CH |
781 | frame_hdr->flags = cpu_to_le16( |
782 | le16_to_cpu(frame_hdr->flags) | | |
783 | MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); | |
9c915a8c | 784 | |
785 | init_frame->cmd = MFI_CMD_INIT; | |
786 | init_frame->cmd_status = 0xFF; | |
787 | ||
4dbbe3ce | 788 | drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations); |
789 | ||
d46a3ad6 | 790 | /* driver support Extended MSIX */ |
5a8cb85b | 791 | if (fusion->adapter_type == INVADER_SERIES) |
4dbbe3ce | 792 | drv_ops->mfi_capabilities.support_additional_msix = 1; |
21c9e160 | 793 | /* driver supports HA / Remote LUN over Fast Path interface */ |
4dbbe3ce | 794 | drv_ops->mfi_capabilities.support_fp_remote_lun = 1; |
795 | ||
796 | drv_ops->mfi_capabilities.support_max_255lds = 1; | |
797 | drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1; | |
798 | drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1; | |
799 | ||
bd5f9484 | 800 | if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN) |
801 | drv_ops->mfi_capabilities.support_ext_io_size = 1; | |
802 | ||
8f05024c | 803 | drv_ops->mfi_capabilities.support_fp_rlbypass = 1; |
308ec459 SS |
804 | if (!dual_qdepth_disable) |
805 | drv_ops->mfi_capabilities.support_ext_queue_depth = 1; | |
8f05024c | 806 | |
52b62ac7 | 807 | drv_ops->mfi_capabilities.support_qd_throttling = 1; |
94cd65dd SS |
808 | /* Convert capability to LE32 */ |
809 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 810 | |
5765c5b8 SS |
811 | sys_info = dmi_get_system_info(DMI_PRODUCT_UUID); |
812 | if (instance->system_info_buf && sys_info) { | |
813 | memcpy(instance->system_info_buf->systemId, sys_info, | |
814 | strlen(sys_info) > 64 ? 64 : strlen(sys_info)); | |
815 | instance->system_info_buf->systemIdLength = | |
816 | strlen(sys_info) > 64 ? 64 : strlen(sys_info); | |
817 | init_frame->system_info_lo = instance->system_info_h; | |
818 | init_frame->system_info_hi = 0; | |
819 | } | |
820 | ||
fdc5a97c HR |
821 | init_frame->queue_info_new_phys_addr_hi = |
822 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
823 | init_frame->queue_info_new_phys_addr_lo = | |
824 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 825 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 826 | |
200aed58 SS |
827 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
828 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 829 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 830 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 831 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 832 | |
833 | /* | |
834 | * disable the intr before firing the init frame | |
835 | */ | |
d46a3ad6 | 836 | instance->instancet->disable_intr(instance); |
9c915a8c | 837 | |
838 | for (i = 0; i < (10 * 1000); i += 20) { | |
839 | if (readl(&instance->reg_set->doorbell) & 1) | |
840 | msleep(20); | |
841 | else | |
842 | break; | |
843 | } | |
844 | ||
01d7f03b | 845 | megasas_fire_cmd_fusion(instance, &req_desc); |
9c915a8c | 846 | |
229fe47c | 847 | wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); |
9c915a8c | 848 | |
849 | frame_hdr = &cmd->frame->hdr; | |
850 | if (frame_hdr->cmd_status != 0) { | |
851 | ret = 1; | |
852 | goto fail_fw_init; | |
853 | } | |
1be18254 | 854 | dev_err(&instance->pdev->dev, "Init cmd success\n"); |
9c915a8c | 855 | |
856 | ret = 0; | |
857 | ||
858 | fail_fw_init: | |
859 | megasas_return_cmd(instance, cmd); | |
860 | if (IOCInitMessage) | |
861 | dma_free_coherent(&instance->pdev->dev, | |
862 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
863 | IOCInitMessage, ioc_init_handle); | |
864 | fail_get_cmd: | |
865 | return ret; | |
866 | } | |
867 | ||
3761cb4c | 868 | /** |
869 | * megasas_sync_pd_seq_num - JBOD SEQ MAP | |
870 | * @instance: Adapter soft state | |
871 | * @pend: set to 1, if it is pended jbod map. | |
872 | * | |
873 | * Issue Jbod map to the firmware. If it is pended command, | |
874 | * issue command and return. If it is first instance of jbod map | |
875 | * issue and receive command. | |
876 | */ | |
877 | int | |
878 | megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { | |
879 | int ret = 0; | |
880 | u32 pd_seq_map_sz; | |
881 | struct megasas_cmd *cmd; | |
882 | struct megasas_dcmd_frame *dcmd; | |
883 | struct fusion_context *fusion = instance->ctrl_context; | |
884 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
885 | dma_addr_t pd_seq_h; | |
886 | ||
887 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)]; | |
888 | pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)]; | |
889 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + | |
890 | (sizeof(struct MR_PD_CFG_SEQ) * | |
891 | (MAX_PHYSICAL_DEVICES - 1)); | |
892 | ||
893 | cmd = megasas_get_cmd(instance); | |
894 | if (!cmd) { | |
895 | dev_err(&instance->pdev->dev, | |
896 | "Could not get mfi cmd. Fail from %s %d\n", | |
897 | __func__, __LINE__); | |
898 | return -ENOMEM; | |
899 | } | |
900 | ||
901 | dcmd = &cmd->frame->dcmd; | |
902 | ||
903 | memset(pd_sync, 0, pd_seq_map_sz); | |
904 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
905 | dcmd->cmd = MFI_CMD_DCMD; | |
906 | dcmd->cmd_status = 0xFF; | |
907 | dcmd->sge_count = 1; | |
908 | dcmd->timeout = 0; | |
909 | dcmd->pad_0 = 0; | |
910 | dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz); | |
911 | dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO); | |
912 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(pd_seq_h); | |
913 | dcmd->sgl.sge32[0].length = cpu_to_le32(pd_seq_map_sz); | |
914 | ||
915 | if (pend) { | |
916 | dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
917 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); | |
918 | instance->jbod_seq_cmd = cmd; | |
919 | instance->instancet->issue_dcmd(instance, cmd); | |
920 | return 0; | |
921 | } | |
922 | ||
923 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); | |
924 | ||
925 | /* Below code is only for non pended DCMD */ | |
926 | if (instance->ctrl_context && !instance->mask_interrupts) | |
6d40afbc SS |
927 | ret = megasas_issue_blocked_cmd(instance, cmd, |
928 | MFI_IO_TIMEOUT_SECS); | |
3761cb4c | 929 | else |
930 | ret = megasas_issue_polled(instance, cmd); | |
931 | ||
932 | if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) { | |
933 | dev_warn(&instance->pdev->dev, | |
934 | "driver supports max %d JBOD, but FW reports %d\n", | |
935 | MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count)); | |
936 | ret = -EINVAL; | |
937 | } | |
938 | ||
6d40afbc SS |
939 | if (ret == DCMD_TIMEOUT && instance->ctrl_context) |
940 | megaraid_sas_kill_hba(instance); | |
941 | ||
942 | if (ret == DCMD_SUCCESS) | |
3761cb4c | 943 | instance->pd_seq_map_id++; |
944 | ||
945 | megasas_return_cmd(instance, cmd); | |
946 | return ret; | |
947 | } | |
948 | ||
9c915a8c | 949 | /* |
950 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
951 | * @instance: Adapter soft state | |
952 | * @pend: Pend the command or not | |
953 | * Issues an internal command (DCMD) to get the FW's controller PD | |
954 | * list structure. This information is mainly used to find out SYSTEM | |
955 | * supported by the FW. | |
51087a86 SS |
956 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
957 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
958 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
959 | * - 1 - pend till config change | |
960 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
961 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
962 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c | 963 | */ |
964 | static int | |
965 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
966 | { | |
967 | int ret = 0; | |
968 | struct megasas_cmd *cmd; | |
969 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 970 | void *ci; |
9c915a8c | 971 | dma_addr_t ci_h = 0; |
972 | u32 size_map_info; | |
973 | struct fusion_context *fusion; | |
974 | ||
975 | cmd = megasas_get_cmd(instance); | |
976 | ||
977 | if (!cmd) { | |
1be18254 | 978 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for map info\n"); |
9c915a8c | 979 | return -ENOMEM; |
980 | } | |
981 | ||
982 | fusion = instance->ctrl_context; | |
983 | ||
984 | if (!fusion) { | |
985 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 986 | return -ENXIO; |
9c915a8c | 987 | } |
988 | ||
989 | dcmd = &cmd->frame->dcmd; | |
990 | ||
51087a86 | 991 | size_map_info = fusion->current_map_sz; |
9c915a8c | 992 | |
51087a86 | 993 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c | 994 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
995 | ||
996 | if (!ci) { | |
1be18254 | 997 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ld_map_info\n"); |
9c915a8c | 998 | megasas_return_cmd(instance, cmd); |
999 | return -ENOMEM; | |
1000 | } | |
1001 | ||
51087a86 | 1002 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1003 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
51087a86 SS |
1004 | #if VD_EXT_DEBUG |
1005 | dev_dbg(&instance->pdev->dev, | |
1006 | "%s sending MR_DCMD_LD_MAP_GET_INFO with size %d\n", | |
1007 | __func__, cpu_to_le32(size_map_info)); | |
1008 | #endif | |
9c915a8c | 1009 | dcmd->cmd = MFI_CMD_DCMD; |
1010 | dcmd->cmd_status = 0xFF; | |
1011 | dcmd->sge_count = 1; | |
94cd65dd | 1012 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
9c915a8c | 1013 | dcmd->timeout = 0; |
1014 | dcmd->pad_0 = 0; | |
94cd65dd SS |
1015 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
1016 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
1017 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
1018 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c | 1019 | |
90dc9d98 SS |
1020 | if (instance->ctrl_context && !instance->mask_interrupts) |
1021 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
6d40afbc | 1022 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
1023 | else |
1024 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 1025 | |
6d40afbc SS |
1026 | if (ret == DCMD_TIMEOUT && instance->ctrl_context) |
1027 | megaraid_sas_kill_hba(instance); | |
1028 | ||
4026e9aa | 1029 | megasas_return_cmd(instance, cmd); |
9c915a8c | 1030 | |
1031 | return ret; | |
1032 | } | |
1033 | ||
1034 | u8 | |
1035 | megasas_get_map_info(struct megasas_instance *instance) | |
1036 | { | |
1037 | struct fusion_context *fusion = instance->ctrl_context; | |
1038 | ||
1039 | fusion->fast_path_io = 0; | |
1040 | if (!megasas_get_ld_map_info(instance)) { | |
bc93d425 | 1041 | if (MR_ValidateMapInfo(instance)) { |
9c915a8c | 1042 | fusion->fast_path_io = 1; |
1043 | return 0; | |
1044 | } | |
1045 | } | |
1046 | return 1; | |
1047 | } | |
1048 | ||
1049 | /* | |
1050 | * megasas_sync_map_info - Returns FW's ld_map structure | |
1051 | * @instance: Adapter soft state | |
1052 | * | |
1053 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1054 | * list structure. This information is mainly used to find out SYSTEM | |
1055 | * supported by the FW. | |
1056 | */ | |
1057 | int | |
1058 | megasas_sync_map_info(struct megasas_instance *instance) | |
1059 | { | |
1060 | int ret = 0, i; | |
1061 | struct megasas_cmd *cmd; | |
1062 | struct megasas_dcmd_frame *dcmd; | |
1063 | u32 size_sync_info, num_lds; | |
1064 | struct fusion_context *fusion; | |
1065 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 1066 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c | 1067 | struct MR_LD_RAID *raid; |
1068 | struct MR_LD_TARGET_SYNC *ld_sync; | |
1069 | dma_addr_t ci_h = 0; | |
1070 | u32 size_map_info; | |
1071 | ||
1072 | cmd = megasas_get_cmd(instance); | |
1073 | ||
1074 | if (!cmd) { | |
1be18254 | 1075 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for sync info\n"); |
9c915a8c | 1076 | return -ENOMEM; |
1077 | } | |
1078 | ||
1079 | fusion = instance->ctrl_context; | |
1080 | ||
1081 | if (!fusion) { | |
1082 | megasas_return_cmd(instance, cmd); | |
1083 | return 1; | |
1084 | } | |
1085 | ||
51087a86 | 1086 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 1087 | |
6e755ddc | 1088 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c | 1089 | |
1090 | dcmd = &cmd->frame->dcmd; | |
1091 | ||
1092 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
1093 | ||
1094 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1095 | ||
1096 | ci = (struct MR_LD_TARGET_SYNC *) | |
1097 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 1098 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1099 | |
1100 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
1101 | ||
1102 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
1103 | ||
1104 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
1105 | raid = MR_LdRaidGet(i, map); | |
1106 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
1107 | ld_sync->seqNum = raid->seqNum; | |
1108 | } | |
1109 | ||
51087a86 | 1110 | size_map_info = fusion->current_map_sz; |
9c915a8c | 1111 | |
1112 | dcmd->cmd = MFI_CMD_DCMD; | |
1113 | dcmd->cmd_status = 0xFF; | |
1114 | dcmd->sge_count = 1; | |
94cd65dd | 1115 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); |
9c915a8c | 1116 | dcmd->timeout = 0; |
1117 | dcmd->pad_0 = 0; | |
94cd65dd | 1118 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c | 1119 | dcmd->mbox.b[0] = num_lds; |
1120 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd SS |
1121 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
1122 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
1123 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c | 1124 | |
1125 | instance->map_update_cmd = cmd; | |
1126 | ||
1127 | instance->instancet->issue_dcmd(instance, cmd); | |
1128 | ||
1129 | return ret; | |
1130 | } | |
1131 | ||
39b72c3c SS |
1132 | /* |
1133 | * meagasas_display_intel_branding - Display branding string | |
1134 | * @instance: per adapter object | |
1135 | * | |
1136 | * Return nothing. | |
1137 | */ | |
1138 | static void | |
1139 | megasas_display_intel_branding(struct megasas_instance *instance) | |
1140 | { | |
1141 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
1142 | return; | |
1143 | ||
1144 | switch (instance->pdev->device) { | |
1145 | case PCI_DEVICE_ID_LSI_INVADER: | |
1146 | switch (instance->pdev->subsystem_device) { | |
1147 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
1148 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1149 | instance->host->host_no, | |
1150 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
1151 | break; | |
1152 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
1153 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1154 | instance->host->host_no, | |
1155 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
1156 | break; | |
1157 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
1158 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1159 | instance->host->host_no, | |
1160 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
1161 | break; | |
1162 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
1163 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1164 | instance->host->host_no, | |
1165 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
1166 | break; | |
1167 | default: | |
1168 | break; | |
1169 | } | |
1170 | break; | |
1171 | case PCI_DEVICE_ID_LSI_FURY: | |
1172 | switch (instance->pdev->subsystem_device) { | |
1173 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
1174 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1175 | instance->host->host_no, | |
1176 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
1177 | break; | |
1178 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
1179 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1180 | instance->host->host_no, | |
1181 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
1182 | break; | |
1183 | default: | |
1184 | break; | |
1185 | } | |
1186 | break; | |
7364d34b | 1187 | case PCI_DEVICE_ID_LSI_CUTLASS_52: |
1188 | case PCI_DEVICE_ID_LSI_CUTLASS_53: | |
1189 | switch (instance->pdev->subsystem_device) { | |
1190 | case MEGARAID_INTEL_RMS3BC160_SSDID: | |
1191 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1192 | instance->host->host_no, | |
1193 | MEGARAID_INTEL_RMS3BC160_BRANDING); | |
1194 | break; | |
1195 | default: | |
1196 | break; | |
1197 | } | |
1198 | break; | |
39b72c3c SS |
1199 | default: |
1200 | break; | |
1201 | } | |
1202 | } | |
1203 | ||
9c915a8c | 1204 | /** |
1205 | * megasas_init_adapter_fusion - Initializes the FW | |
1206 | * @instance: Adapter soft state | |
1207 | * | |
1208 | * This is the main function for initializing firmware. | |
1209 | */ | |
1210 | u32 | |
1211 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
1212 | { | |
1213 | struct megasas_register_set __iomem *reg_set; | |
1214 | struct fusion_context *fusion; | |
bd5f9484 | 1215 | u32 max_cmd, scratch_pad_2; |
c8e858fe | 1216 | int i = 0, count; |
9c915a8c | 1217 | |
1218 | fusion = instance->ctrl_context; | |
1219 | ||
1220 | reg_set = instance->reg_set; | |
1221 | ||
308ec459 | 1222 | megasas_fusion_update_can_queue(instance, PROBE_CONTEXT); |
9c915a8c | 1223 | |
1224 | /* | |
1225 | * Reduce the max supported cmds by 1. This is to ensure that the | |
1226 | * reply_q_sz (1 more than the max cmd that driver may send) | |
1227 | * does not exceed max cmds that the FW can support | |
1228 | */ | |
1229 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
ae09a6c1 SS |
1230 | |
1231 | /* | |
1232 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1233 | */ | |
1234 | instance->max_mfi_cmds = | |
1235 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c | 1236 | |
1237 | max_cmd = instance->max_fw_cmds; | |
1238 | ||
db4fc864 | 1239 | fusion->reply_q_depth = 2 * (((max_cmd + 1 + 15)/16)*16); |
9c915a8c | 1240 | |
1241 | fusion->request_alloc_sz = | |
1242 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *max_cmd; | |
1243 | fusion->reply_alloc_sz = sizeof(union MPI2_REPLY_DESCRIPTORS_UNION) | |
1244 | *(fusion->reply_q_depth); | |
1245 | fusion->io_frames_alloc_sz = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + | |
1246 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * | |
1247 | (max_cmd + 1)); /* Extra 1 for SMID 0 */ | |
1248 | ||
bd5f9484 | 1249 | scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2); |
1250 | /* If scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set, | |
1251 | * Firmware support extended IO chain frame which is 4 times more than | |
1252 | * legacy Firmware. | |
1253 | * Legacy Firmware - Frame size is (8 * 128) = 1K | |
1254 | * 1M IO Firmware - Frame size is (8 * 128 * 4) = 4K | |
1255 | */ | |
1256 | if (scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK) | |
1257 | instance->max_chain_frame_sz = | |
1258 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
1259 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO; | |
1260 | else | |
1261 | instance->max_chain_frame_sz = | |
1262 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
1263 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO; | |
1264 | ||
1265 | if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) { | |
1266 | dev_warn(&instance->pdev->dev, "frame size %d invalid, fall back to legacy max frame size %d\n", | |
1267 | instance->max_chain_frame_sz, | |
1268 | MEGASAS_CHAIN_FRAME_SZ_MIN); | |
1269 | instance->max_chain_frame_sz = MEGASAS_CHAIN_FRAME_SZ_MIN; | |
1270 | } | |
1271 | ||
9c915a8c | 1272 | fusion->max_sge_in_main_msg = |
bd5f9484 | 1273 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE |
1274 | - offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16; | |
9c915a8c | 1275 | |
1276 | fusion->max_sge_in_chain = | |
bd5f9484 | 1277 | instance->max_chain_frame_sz |
1278 | / sizeof(union MPI2_SGE_IO_UNION); | |
9c915a8c | 1279 | |
bd5f9484 | 1280 | instance->max_num_sge = |
1281 | rounddown_pow_of_two(fusion->max_sge_in_main_msg | |
1282 | + fusion->max_sge_in_chain - 2); | |
9c915a8c | 1283 | |
1284 | /* Used for pass thru MFI frame (DCMD) */ | |
1285 | fusion->chain_offset_mfi_pthru = | |
1286 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL)/16; | |
1287 | ||
1288 | fusion->chain_offset_io_request = | |
1289 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1290 | sizeof(union MPI2_SGE_IO_UNION))/16; | |
1291 | ||
c8e858fe | 1292 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
1293 | for (i = 0 ; i < count; i++) | |
1294 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 1295 | |
f26ac3a1 SS |
1296 | /* |
1297 | * For fusion adapters, 3 commands for IOCTL and 5 commands | |
1298 | * for driver's internal DCMDs. | |
1299 | */ | |
1300 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
1301 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
1302 | MEGASAS_FUSION_IOCTL_CMDS); | |
1303 | sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS); | |
1304 | ||
9c915a8c | 1305 | /* |
1306 | * Allocate memory for descriptors | |
1307 | * Create a pool of commands | |
1308 | */ | |
1309 | if (megasas_alloc_cmds(instance)) | |
1310 | goto fail_alloc_mfi_cmds; | |
1311 | if (megasas_alloc_cmds_fusion(instance)) | |
1312 | goto fail_alloc_cmds; | |
1313 | ||
1314 | if (megasas_ioc_init_fusion(instance)) | |
1315 | goto fail_ioc_init; | |
1316 | ||
39b72c3c | 1317 | megasas_display_intel_branding(instance); |
d009b576 | 1318 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
1319 | dev_err(&instance->pdev->dev, |
1320 | "Could not get controller info. Fail from %s %d\n", | |
1321 | __func__, __LINE__); | |
1322 | goto fail_ioc_init; | |
1323 | } | |
1324 | ||
9c915a8c | 1325 | instance->flag_ieee = 1; |
51087a86 | 1326 | fusion->fast_path_io = 0; |
9c915a8c | 1327 | |
51087a86 SS |
1328 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); |
1329 | for (i = 0; i < 2; i++) { | |
1330 | fusion->ld_map[i] = NULL; | |
1331 | fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL, | |
1332 | fusion->drv_map_pages); | |
1333 | if (!fusion->ld_drv_map[i]) { | |
1334 | dev_err(&instance->pdev->dev, "Could not allocate " | |
1335 | "memory for local map info for %d pages\n", | |
1336 | fusion->drv_map_pages); | |
1337 | if (i == 1) | |
1338 | free_pages((ulong)fusion->ld_drv_map[0], | |
1339 | fusion->drv_map_pages); | |
1340 | goto fail_ioc_init; | |
1341 | } | |
d009b576 SS |
1342 | memset(fusion->ld_drv_map[i], 0, |
1343 | ((1 << PAGE_SHIFT) << fusion->drv_map_pages)); | |
51087a86 SS |
1344 | } |
1345 | ||
9c915a8c | 1346 | for (i = 0; i < 2; i++) { |
1347 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
51087a86 | 1348 | fusion->max_map_sz, |
9c915a8c | 1349 | &fusion->ld_map_phys[i], |
1350 | GFP_KERNEL); | |
1351 | if (!fusion->ld_map[i]) { | |
1be18254 | 1352 | dev_err(&instance->pdev->dev, "Could not allocate memory " |
9c915a8c | 1353 | "for map info\n"); |
1354 | goto fail_map_info; | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | if (!megasas_get_map_info(instance)) | |
1359 | megasas_sync_map_info(instance); | |
1360 | ||
1361 | return 0; | |
1362 | ||
9c915a8c | 1363 | fail_map_info: |
1364 | if (i == 1) | |
51087a86 | 1365 | dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz, |
9c915a8c | 1366 | fusion->ld_map[0], fusion->ld_map_phys[0]); |
1367 | fail_ioc_init: | |
eb1b1237 | 1368 | megasas_free_cmds_fusion(instance); |
1369 | fail_alloc_cmds: | |
1370 | megasas_free_cmds(instance); | |
1371 | fail_alloc_mfi_cmds: | |
9c915a8c | 1372 | return 1; |
1373 | } | |
1374 | ||
9c915a8c | 1375 | /** |
1376 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1377 | * @cmd : Pointer to cmd | |
1378 | * @status : status of cmd returned by FW | |
1379 | * @ext_status : ext status of cmd returned by FW | |
1380 | */ | |
1381 | ||
1382 | void | |
1383 | map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status) | |
1384 | { | |
1385 | ||
1386 | switch (status) { | |
1387 | ||
1388 | case MFI_STAT_OK: | |
1389 | cmd->scmd->result = DID_OK << 16; | |
1390 | break; | |
1391 | ||
1392 | case MFI_STAT_SCSI_IO_FAILED: | |
1393 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
1394 | cmd->scmd->result = (DID_ERROR << 16) | ext_status; | |
1395 | break; | |
1396 | ||
1397 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1398 | ||
1399 | cmd->scmd->result = (DID_OK << 16) | ext_status; | |
1400 | if (ext_status == SAM_STAT_CHECK_CONDITION) { | |
1401 | memset(cmd->scmd->sense_buffer, 0, | |
1402 | SCSI_SENSE_BUFFERSIZE); | |
1403 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
1404 | SCSI_SENSE_BUFFERSIZE); | |
1405 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
1406 | } | |
1407 | break; | |
1408 | ||
1409 | case MFI_STAT_LD_OFFLINE: | |
1410 | case MFI_STAT_DEVICE_NOT_FOUND: | |
1411 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
1412 | break; | |
36807e67 | 1413 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
1414 | cmd->scmd->result = DID_IMM_RETRY << 16; | |
1415 | break; | |
9c915a8c | 1416 | default: |
1be18254 | 1417 | dev_printk(KERN_DEBUG, &cmd->instance->pdev->dev, "FW status %#x\n", status); |
9c915a8c | 1418 | cmd->scmd->result = DID_ERROR << 16; |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | /** | |
1424 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
1425 | * @instance: Adapter soft state | |
1426 | * @scp: SCSI command from the mid-layer | |
1427 | * @sgl_ptr: SGL to be filled in | |
1428 | * @cmd: cmd we are working on | |
1429 | * | |
1430 | * If successful, this function returns the number of SG elements. | |
1431 | */ | |
1432 | static int | |
1433 | megasas_make_sgl_fusion(struct megasas_instance *instance, | |
1434 | struct scsi_cmnd *scp, | |
1435 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
1436 | struct megasas_cmd_fusion *cmd) | |
1437 | { | |
36807e67 | 1438 | int i, sg_processed, sge_count; |
9c915a8c | 1439 | struct scatterlist *os_sgl; |
1440 | struct fusion_context *fusion; | |
1441 | ||
1442 | fusion = instance->ctrl_context; | |
1443 | ||
5a8cb85b | 1444 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 | 1445 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
1446 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
1447 | sgl_ptr_end->Flags = 0; | |
1448 | } | |
9c915a8c | 1449 | |
1450 | sge_count = scsi_dma_map(scp); | |
1451 | ||
1452 | BUG_ON(sge_count < 0); | |
1453 | ||
1454 | if (sge_count > instance->max_num_sge || !sge_count) | |
1455 | return sge_count; | |
1456 | ||
9c915a8c | 1457 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
1458 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
1459 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 1460 | sgl_ptr->Flags = 0; |
5a8cb85b | 1461 | if (fusion->adapter_type == INVADER_SERIES) |
36807e67 | 1462 | if (i == sge_count - 1) |
1463 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
9c915a8c | 1464 | sgl_ptr++; |
1465 | ||
1466 | sg_processed = i + 1; | |
1467 | ||
1468 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
1469 | (sge_count > fusion->max_sge_in_main_msg)) { | |
1470 | ||
1471 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
5a8cb85b | 1472 | if (fusion->adapter_type == INVADER_SERIES) { |
94cd65dd SS |
1473 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
1474 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
1475 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 | 1476 | cmd->io_request->ChainOffset = |
1477 | fusion-> | |
1478 | chain_offset_io_request; | |
1479 | else | |
1480 | cmd->io_request->ChainOffset = 0; | |
1481 | } else | |
1482 | cmd->io_request->ChainOffset = | |
1483 | fusion->chain_offset_io_request; | |
1484 | ||
9c915a8c | 1485 | sg_chain = sgl_ptr; |
1486 | /* Prepare chain element */ | |
1487 | sg_chain->NextChainOffset = 0; | |
5a8cb85b | 1488 | if (fusion->adapter_type == INVADER_SERIES) |
36807e67 | 1489 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
1490 | else | |
1491 | sg_chain->Flags = | |
1492 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
1493 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
1494 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
1495 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c | 1496 | |
1497 | sgl_ptr = | |
1498 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
bd5f9484 | 1499 | memset(sgl_ptr, 0, instance->max_chain_frame_sz); |
9c915a8c | 1500 | } |
1501 | } | |
1502 | ||
1503 | return sge_count; | |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * megasas_set_pd_lba - Sets PD LBA | |
1508 | * @cdb: CDB | |
1509 | * @cdb_len: cdb length | |
1510 | * @start_blk: Start block of IO | |
1511 | * | |
1512 | * Used to set the PD LBA in CDB for FP IOs | |
1513 | */ | |
1514 | void | |
1515 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
1516 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 1517 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c | 1518 | { |
1519 | struct MR_LD_RAID *raid; | |
1520 | u32 ld; | |
1521 | u64 start_blk = io_info->pdBlock; | |
1522 | u8 *cdb = io_request->CDB.CDB32; | |
1523 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 1524 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c | 1525 | |
1526 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
1527 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
1528 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
1529 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
1530 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1531 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
1532 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
1533 | ||
1534 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1535 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; | |
1536 | else | |
1537 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
1538 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
1539 | ||
1540 | /* LBA */ | |
1541 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
1542 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
1543 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
1544 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
1545 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
1546 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
1547 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
1548 | cdb[19] = (u8)(start_blk & 0xff); | |
1549 | ||
1550 | /* Logical block reference tag */ | |
1551 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
1552 | cpu_to_be32(ref_tag); | |
6e755ddc | 1553 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 1554 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c | 1555 | |
1556 | /* Transfer length */ | |
1557 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
1558 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
1559 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
1560 | cdb[31] = (u8)(num_blocks & 0xff); | |
1561 | ||
1562 | /* set SCSI IO EEDPFlags */ | |
1563 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) { | |
94cd65dd | 1564 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 1565 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
1566 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
1567 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
1568 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
94cd65dd | 1569 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 1570 | } else { |
94cd65dd | 1571 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 1572 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 1573 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 1574 | } |
94cd65dd SS |
1575 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
1576 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c | 1577 | } else { |
1578 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
1579 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
1580 | (start_blk <= 0xffffffff)) { | |
1581 | if (cdb_len == 16) { | |
1582 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
1583 | flagvals = cdb[1]; | |
1584 | groupnum = cdb[14]; | |
1585 | control = cdb[15]; | |
1586 | } else { | |
1587 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
1588 | flagvals = cdb[1]; | |
1589 | groupnum = cdb[10]; | |
1590 | control = cdb[11]; | |
1591 | } | |
1592 | ||
1593 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1594 | ||
1595 | cdb[0] = opcode; | |
1596 | cdb[1] = flagvals; | |
1597 | cdb[6] = groupnum; | |
1598 | cdb[9] = control; | |
1599 | ||
1600 | /* Transfer length */ | |
1601 | cdb[8] = (u8)(num_blocks & 0xff); | |
1602 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
1603 | ||
94cd65dd | 1604 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 1605 | cdb_len = 10; |
495c5609 | 1606 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
1607 | /* Convert to 16 byte CDB for large LBA's */ | |
1608 | switch (cdb_len) { | |
1609 | case 6: | |
1610 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
1611 | control = cdb[5]; | |
1612 | break; | |
1613 | case 10: | |
1614 | opcode = | |
1615 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
1616 | flagvals = cdb[1]; | |
1617 | groupnum = cdb[6]; | |
1618 | control = cdb[9]; | |
1619 | break; | |
1620 | case 12: | |
1621 | opcode = | |
1622 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
1623 | flagvals = cdb[1]; | |
1624 | groupnum = cdb[10]; | |
1625 | control = cdb[11]; | |
1626 | break; | |
1627 | } | |
1628 | ||
1629 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1630 | ||
1631 | cdb[0] = opcode; | |
1632 | cdb[1] = flagvals; | |
1633 | cdb[14] = groupnum; | |
1634 | cdb[15] = control; | |
1635 | ||
1636 | /* Transfer length */ | |
1637 | cdb[13] = (u8)(num_blocks & 0xff); | |
1638 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
1639 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
1640 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
1641 | ||
94cd65dd | 1642 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 1643 | cdb_len = 16; |
9c915a8c | 1644 | } |
1645 | ||
1646 | /* Normal case, just load LBA here */ | |
1647 | switch (cdb_len) { | |
1648 | case 6: | |
1649 | { | |
1650 | u8 val = cdb[1] & 0xE0; | |
1651 | cdb[3] = (u8)(start_blk & 0xff); | |
1652 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
1653 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
1654 | break; | |
1655 | } | |
1656 | case 10: | |
1657 | cdb[5] = (u8)(start_blk & 0xff); | |
1658 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1659 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1660 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1661 | break; | |
1662 | case 12: | |
1663 | cdb[5] = (u8)(start_blk & 0xff); | |
1664 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1665 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1666 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1667 | break; | |
1668 | case 16: | |
1669 | cdb[9] = (u8)(start_blk & 0xff); | |
1670 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
1671 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
1672 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
1673 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
1674 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
1675 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
1676 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
1677 | break; | |
1678 | } | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | /** | |
1683 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
1684 | * @instance: Adapter soft state | |
1685 | * @scp: SCSI command | |
1686 | * @cmd: Command to be prepared | |
1687 | * | |
1688 | * Prepares the io_request and chain elements (sg_frame) for IO | |
1689 | * The IO can be for PD (Fast Path) or LD | |
1690 | */ | |
1691 | void | |
1692 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
1693 | struct scsi_cmnd *scp, | |
1694 | struct megasas_cmd_fusion *cmd) | |
1695 | { | |
1696 | u8 fp_possible; | |
f9eff815 | 1697 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; |
9c915a8c | 1698 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
1699 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1700 | struct IO_REQUEST_INFO io_info; | |
1701 | struct fusion_context *fusion; | |
51087a86 | 1702 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 1703 | u8 *raidLUN; |
9c915a8c | 1704 | |
4a5c814d | 1705 | device_id = MEGASAS_DEV_INDEX(scp); |
9c915a8c | 1706 | |
1707 | fusion = instance->ctrl_context; | |
1708 | ||
1709 | io_request = cmd->io_request; | |
94cd65dd | 1710 | io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); |
9c915a8c | 1711 | io_request->RaidContext.status = 0; |
1712 | io_request->RaidContext.exStatus = 0; | |
1713 | ||
1714 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
1715 | ||
1716 | start_lba_lo = 0; | |
1717 | start_lba_hi = 0; | |
1718 | fp_possible = 0; | |
1719 | ||
1720 | /* | |
1721 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1722 | */ | |
1723 | if (scp->cmd_len == 6) { | |
f9eff815 | 1724 | datalength = (u32) scp->cmnd[4]; |
9c915a8c | 1725 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
1726 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
1727 | ||
1728 | start_lba_lo &= 0x1FFFFF; | |
1729 | } | |
1730 | ||
1731 | /* | |
1732 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1733 | */ | |
1734 | else if (scp->cmd_len == 10) { | |
f9eff815 | 1735 | datalength = (u32) scp->cmnd[8] | |
9c915a8c | 1736 | ((u32) scp->cmnd[7] << 8); |
1737 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1738 | ((u32) scp->cmnd[3] << 16) | | |
1739 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1740 | } | |
1741 | ||
1742 | /* | |
1743 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1744 | */ | |
1745 | else if (scp->cmd_len == 12) { | |
f9eff815 | 1746 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c | 1747 | ((u32) scp->cmnd[7] << 16) | |
1748 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1749 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1750 | ((u32) scp->cmnd[3] << 16) | | |
1751 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1752 | } | |
1753 | ||
1754 | /* | |
1755 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1756 | */ | |
1757 | else if (scp->cmd_len == 16) { | |
f9eff815 | 1758 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c | 1759 | ((u32) scp->cmnd[11] << 16) | |
1760 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
1761 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
1762 | ((u32) scp->cmnd[7] << 16) | | |
1763 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1764 | ||
1765 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
1766 | ((u32) scp->cmnd[3] << 16) | | |
1767 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1768 | } | |
1769 | ||
1770 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
1771 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 1772 | io_info.numBlocks = datalength; |
9c915a8c | 1773 | io_info.ldTgtId = device_id; |
94cd65dd | 1774 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scp)); |
9c915a8c | 1775 | |
1776 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1777 | io_info.isRead = 1; | |
1778 | ||
51087a86 | 1779 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
9c915a8c | 1780 | |
1781 | if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >= | |
51087a86 | 1782 | instance->fw_supported_vd_count) || (!fusion->fast_path_io)) { |
9c915a8c | 1783 | io_request->RaidContext.regLockFlags = 0; |
1784 | fp_possible = 0; | |
1785 | } else { | |
36807e67 | 1786 | if (MR_BuildRaidContext(instance, &io_info, |
1787 | &io_request->RaidContext, | |
21c9e160 | 1788 | local_map_ptr, &raidLUN)) |
9c915a8c | 1789 | fp_possible = io_info.fpOkForIo; |
1790 | } | |
1791 | ||
16b8528d | 1792 | /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU |
c8e858fe | 1793 | id by default, not CPU group id, otherwise all MSI-X queues won't |
1794 | be utilized */ | |
1795 | cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ? | |
16b8528d | 1796 | raw_smp_processor_id() % instance->msix_vectors : 0; |
c8e858fe | 1797 | |
9c915a8c | 1798 | if (fp_possible) { |
1799 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
1800 | local_map_ptr, start_lba_lo); | |
9c915a8c | 1801 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
1802 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 1803 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO |
9c915a8c | 1804 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
5a8cb85b | 1805 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 | 1806 | if (io_request->RaidContext.regLockFlags == |
1807 | REGION_TYPE_UNUSED) | |
1808 | cmd->request_desc->SCSIIO.RequestFlags = | |
1809 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1810 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1811 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1812 | io_request->RaidContext.nseg = 0x1; | |
94cd65dd | 1813 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 | 1814 | io_request->RaidContext.regLockFlags |= |
1815 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | | |
1816 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1817 | } | |
9c915a8c | 1818 | if ((fusion->load_balance_info[device_id].loadBalanceFlag) && |
1819 | (io_info.isRead)) { | |
1820 | io_info.devHandle = | |
d2552ebe | 1821 | get_updated_dev_handle(instance, |
9c915a8c | 1822 | &fusion->load_balance_info[device_id], |
1823 | &io_info); | |
1824 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; | |
d2552ebe | 1825 | cmd->pd_r1_lb = io_info.pd_after_lb; |
9c915a8c | 1826 | } else |
1827 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
5765c5b8 SS |
1828 | |
1829 | if ((raidLUN[0] == 1) && | |
75b96061 | 1830 | (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) { |
5765c5b8 SS |
1831 | instance->dev_handle = !(instance->dev_handle); |
1832 | io_info.devHandle = | |
1833 | local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; | |
1834 | } | |
1835 | ||
9c915a8c | 1836 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; |
1837 | io_request->DevHandle = io_info.devHandle; | |
21c9e160 | 1838 | /* populate the LUN field */ |
1839 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c | 1840 | } else { |
1841 | io_request->RaidContext.timeoutValue = | |
94cd65dd | 1842 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c | 1843 | cmd->request_desc->SCSIIO.RequestFlags = |
1844 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
1845 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
5a8cb85b | 1846 | if (fusion->adapter_type == INVADER_SERIES) { |
8f05024c SS |
1847 | if (io_info.do_fp_rlbypass || |
1848 | (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)) | |
36807e67 | 1849 | cmd->request_desc->SCSIIO.RequestFlags = |
1850 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1851 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1852 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1853 | io_request->RaidContext.regLockFlags |= | |
1854 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | | |
1855 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1856 | io_request->RaidContext.nseg = 0x1; | |
1857 | } | |
1858 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 1859 | io_request->DevHandle = cpu_to_le16(device_id); |
9c915a8c | 1860 | } /* Not FP */ |
1861 | } | |
1862 | ||
1863 | /** | |
4a5c814d | 1864 | * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk |
9c915a8c | 1865 | * @instance: Adapter soft state |
1866 | * @scp: SCSI command | |
1867 | * @cmd: Command to be prepared | |
1868 | * | |
4a5c814d | 1869 | * Prepares the io_request frame for non-rw io cmds for vd. |
9c915a8c | 1870 | */ |
4a5c814d SS |
1871 | static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, |
1872 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd) | |
9c915a8c | 1873 | { |
1874 | u32 device_id; | |
1875 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1876 | u16 pd_index = 0; | |
51087a86 | 1877 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 1878 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 | 1879 | u8 span, physArm; |
9ab9ed38 | 1880 | __le16 devHandle; |
21c9e160 | 1881 | u32 ld, arRef, pd; |
1882 | struct MR_LD_RAID *raid; | |
1883 | struct RAID_CONTEXT *pRAID_Context; | |
4a5c814d | 1884 | u8 fp_possible = 1; |
9c915a8c | 1885 | |
1886 | io_request = cmd->io_request; | |
4a5c814d SS |
1887 | device_id = MEGASAS_DEV_INDEX(scmd); |
1888 | pd_index = MEGASAS_PD_INDEX(scmd); | |
51087a86 | 1889 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
94cd65dd | 1890 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
4a5c814d SS |
1891 | /* get RAID_Context pointer */ |
1892 | pRAID_Context = &io_request->RaidContext; | |
1893 | /* Check with FW team */ | |
1894 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
1895 | pRAID_Context->regLockRowLBA = 0; | |
1896 | pRAID_Context->regLockLength = 0; | |
21c9e160 | 1897 | |
4a5c814d SS |
1898 | if (fusion->fast_path_io && ( |
1899 | device_id < instance->fw_supported_vd_count)) { | |
ab2f0608 | 1900 | |
21c9e160 | 1901 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
ab2f0608 | 1902 | if (ld >= instance->fw_supported_vd_count) |
4a5c814d | 1903 | fp_possible = 0; |
21c9e160 | 1904 | |
1905 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
21c9e160 | 1906 | if (!(raid->capability.fpNonRWCapable)) |
4a5c814d SS |
1907 | fp_possible = 0; |
1908 | } else | |
1909 | fp_possible = 0; | |
21c9e160 | 1910 | |
4a5c814d SS |
1911 | if (!fp_possible) { |
1912 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
1913 | io_request->DevHandle = cpu_to_le16(device_id); | |
1914 | io_request->LUN[1] = scmd->device->lun; | |
1915 | pRAID_Context->timeoutValue = | |
1916 | cpu_to_le16 (scmd->request->timeout / HZ); | |
1917 | cmd->request_desc->SCSIIO.RequestFlags = | |
1918 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
1919 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1920 | } else { | |
21c9e160 | 1921 | |
1922 | /* set RAID context values */ | |
4a5c814d SS |
1923 | pRAID_Context->configSeqNum = raid->seqNum; |
1924 | pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ; | |
1925 | pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd); | |
21c9e160 | 1926 | |
1927 | /* get the DevHandle for the PD (since this is | |
1928 | fpNonRWCapable, this is a single disk RAID0) */ | |
1929 | span = physArm = 0; | |
1930 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
1931 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
1932 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
1933 | ||
1934 | /* build request descriptor */ | |
1935 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 1936 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 1937 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
21c9e160 | 1938 | cmd->request_desc->SCSIIO.DevHandle = devHandle; |
1939 | ||
1940 | /* populate the LUN field */ | |
1941 | memcpy(io_request->LUN, raid->LUN, 8); | |
1942 | ||
1943 | /* build the raidScsiIO structure */ | |
1944 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1945 | io_request->DevHandle = devHandle; | |
4a5c814d SS |
1946 | } |
1947 | } | |
21c9e160 | 1948 | |
4a5c814d SS |
1949 | /** |
1950 | * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd | |
1951 | * @instance: Adapter soft state | |
1952 | * @scp: SCSI command | |
1953 | * @cmd: Command to be prepared | |
1954 | * @fp_possible: parameter to detect fast path or firmware path io. | |
1955 | * | |
1956 | * Prepares the io_request frame for rw/non-rw io cmds for syspds | |
1957 | */ | |
1958 | static void | |
1959 | megasas_build_syspd_fusion(struct megasas_instance *instance, | |
1960 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, u8 fp_possible) | |
1961 | { | |
1962 | u32 device_id; | |
1963 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1964 | u16 pd_index = 0; | |
1965 | u16 os_timeout_value; | |
1966 | u16 timeout_limit; | |
1967 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
1968 | struct RAID_CONTEXT *pRAID_Context; | |
3761cb4c | 1969 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; |
4a5c814d | 1970 | struct fusion_context *fusion = instance->ctrl_context; |
3761cb4c | 1971 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1]; |
4a5c814d SS |
1972 | |
1973 | device_id = MEGASAS_DEV_INDEX(scmd); | |
1974 | pd_index = MEGASAS_PD_INDEX(scmd); | |
1975 | os_timeout_value = scmd->request->timeout / HZ; | |
21c9e160 | 1976 | |
4a5c814d SS |
1977 | io_request = cmd->io_request; |
1978 | /* get RAID_Context pointer */ | |
1979 | pRAID_Context = &io_request->RaidContext; | |
3761cb4c | 1980 | pRAID_Context->regLockFlags = 0; |
1981 | pRAID_Context->regLockRowLBA = 0; | |
1982 | pRAID_Context->regLockLength = 0; | |
4a5c814d SS |
1983 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
1984 | io_request->LUN[1] = scmd->device->lun; | |
1985 | pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD | |
1986 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; | |
1987 | ||
3761cb4c | 1988 | /* If FW supports PD sequence number */ |
1989 | if (instance->use_seqnum_jbod_fp && | |
1990 | instance->pd_list[pd_index].driveType == TYPE_DISK) { | |
1991 | /* TgtId must be incremented by 255 as jbod seq number is index | |
1992 | * below raid map | |
1993 | */ | |
1994 | pRAID_Context->VirtualDiskTgtId = | |
1995 | cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1)); | |
1996 | pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum; | |
1997 | io_request->DevHandle = pd_sync->seq[pd_index].devHandle; | |
1998 | pRAID_Context->regLockFlags |= | |
1999 | (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA); | |
2000 | } else if (fusion->fast_path_io) { | |
2001 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
2002 | pRAID_Context->configSeqNum = 0; | |
2003 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; | |
2004 | io_request->DevHandle = | |
2005 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; | |
2006 | } else { | |
2007 | /* Want to send all IO via FW path */ | |
2008 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
2009 | pRAID_Context->configSeqNum = 0; | |
9fb74c4e | 2010 | io_request->DevHandle = cpu_to_le16(0xFFFF); |
3761cb4c | 2011 | } |
4a5c814d SS |
2012 | |
2013 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
2014 | cmd->request_desc->SCSIIO.MSIxIndex = | |
2015 | instance->msix_vectors ? | |
2016 | (raw_smp_processor_id() % instance->msix_vectors) : 0; | |
2017 | ||
2018 | ||
2019 | if (!fp_possible) { | |
2020 | /* system pd firmware path */ | |
9c915a8c | 2021 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
9c915a8c | 2022 | cmd->request_desc->SCSIIO.RequestFlags = |
2023 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
4a5c814d SS |
2024 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
2025 | pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value); | |
3761cb4c | 2026 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); |
4a5c814d SS |
2027 | } else { |
2028 | /* system pd Fast Path */ | |
2029 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4a5c814d SS |
2030 | timeout_limit = (scmd->device->type == TYPE_DISK) ? |
2031 | 255 : 0xFFFF; | |
2032 | pRAID_Context->timeoutValue = | |
2033 | cpu_to_le16((os_timeout_value > timeout_limit) ? | |
2034 | timeout_limit : os_timeout_value); | |
5a8cb85b | 2035 | if (fusion->adapter_type == INVADER_SERIES) { |
4a5c814d SS |
2036 | pRAID_Context->Type = MPI2_TYPE_CUDA; |
2037 | pRAID_Context->nseg = 0x1; | |
2038 | io_request->IoFlags |= | |
2039 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
2040 | } | |
2041 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2042 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 2043 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 2044 | } |
9c915a8c | 2045 | } |
2046 | ||
2047 | /** | |
2048 | * megasas_build_io_fusion - Prepares IOs to devices | |
2049 | * @instance: Adapter soft state | |
2050 | * @scp: SCSI command | |
2051 | * @cmd: Command to be prepared | |
2052 | * | |
2053 | * Invokes helper functions to prepare request frames | |
2054 | * and sets flags appropriate for IO/Non-IO cmd | |
2055 | */ | |
2056 | int | |
2057 | megasas_build_io_fusion(struct megasas_instance *instance, | |
2058 | struct scsi_cmnd *scp, | |
2059 | struct megasas_cmd_fusion *cmd) | |
2060 | { | |
bd5f9484 | 2061 | u16 sge_count; |
4a5c814d | 2062 | u8 cmd_type; |
9c915a8c | 2063 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; |
2064 | ||
9c915a8c | 2065 | /* Zero out some fields so they don't get reused */ |
9cb78c16 | 2066 | memset(io_request->LUN, 0x0, 8); |
9c915a8c | 2067 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
2068 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
2069 | io_request->EEDPFlags = 0; | |
2070 | io_request->Control = 0; | |
2071 | io_request->EEDPBlockSize = 0; | |
36807e67 | 2072 | io_request->ChainOffset = 0; |
9c915a8c | 2073 | io_request->RaidContext.RAIDFlags = 0; |
36807e67 | 2074 | io_request->RaidContext.Type = 0; |
2075 | io_request->RaidContext.nseg = 0; | |
9c915a8c | 2076 | |
2077 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
2078 | /* | |
2079 | * Just the CDB length,rest of the Flags are zero | |
2080 | * This will be modified for FP in build_ldio_fusion | |
2081 | */ | |
94cd65dd | 2082 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 2083 | |
4a5c814d SS |
2084 | switch (cmd_type = megasas_cmd_type(scp)) { |
2085 | case READ_WRITE_LDIO: | |
9c915a8c | 2086 | megasas_build_ldio_fusion(instance, scp, cmd); |
4a5c814d SS |
2087 | break; |
2088 | case NON_READ_WRITE_LDIO: | |
2089 | megasas_build_ld_nonrw_fusion(instance, scp, cmd); | |
2090 | break; | |
2091 | case READ_WRITE_SYSPDIO: | |
2092 | case NON_READ_WRITE_SYSPDIO: | |
2093 | if (instance->secure_jbod_support && | |
2094 | (cmd_type == NON_READ_WRITE_SYSPDIO)) | |
2095 | megasas_build_syspd_fusion(instance, scp, cmd, 0); | |
2096 | else | |
2097 | megasas_build_syspd_fusion(instance, scp, cmd, 1); | |
2098 | break; | |
2099 | default: | |
2100 | break; | |
2101 | } | |
9c915a8c | 2102 | |
2103 | /* | |
2104 | * Construct SGL | |
2105 | */ | |
2106 | ||
2107 | sge_count = | |
2108 | megasas_make_sgl_fusion(instance, scp, | |
2109 | (struct MPI25_IEEE_SGE_CHAIN64 *) | |
2110 | &io_request->SGL, cmd); | |
2111 | ||
2112 | if (sge_count > instance->max_num_sge) { | |
1be18254 | 2113 | dev_err(&instance->pdev->dev, "Error. sge_count (0x%x) exceeds " |
9c915a8c | 2114 | "max (0x%x) allowed\n", sge_count, |
2115 | instance->max_num_sge); | |
2116 | return 1; | |
2117 | } | |
2118 | ||
bd5f9484 | 2119 | /* numSGE store lower 8 bit of sge_count. |
2120 | * numSGEExt store higher 8 bit of sge_count | |
2121 | */ | |
9c915a8c | 2122 | io_request->RaidContext.numSGE = sge_count; |
bd5f9484 | 2123 | io_request->RaidContext.numSGEExt = (u8)(sge_count >> 8); |
9c915a8c | 2124 | |
94cd65dd | 2125 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c | 2126 | |
2127 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
94cd65dd | 2128 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
9c915a8c | 2129 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) |
94cd65dd | 2130 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c | 2131 | |
2132 | io_request->SGLOffset0 = | |
2133 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
2134 | ||
94cd65dd | 2135 | io_request->SenseBufferLowAddress = cpu_to_le32(cmd->sense_phys_addr); |
9c915a8c | 2136 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
2137 | ||
2138 | cmd->scmd = scp; | |
2139 | scp->SCp.ptr = (char *)cmd; | |
2140 | ||
2141 | return 0; | |
2142 | } | |
2143 | ||
2144 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2145 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) | |
2146 | { | |
2147 | u8 *p; | |
2148 | struct fusion_context *fusion; | |
2149 | ||
2150 | if (index >= instance->max_fw_cmds) { | |
1be18254 | 2151 | dev_err(&instance->pdev->dev, "Invalid SMID (0x%x)request for " |
229fe47c | 2152 | "descriptor for scsi%d\n", index, |
2153 | instance->host->host_no); | |
9c915a8c | 2154 | return NULL; |
2155 | } | |
2156 | fusion = instance->ctrl_context; | |
2157 | p = fusion->req_frames_desc | |
2158 | +sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *index; | |
2159 | ||
2160 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
2161 | } | |
2162 | ||
2163 | /** | |
2164 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
2165 | * issuing non IOCTL cmd | |
2166 | * @instance: Adapter soft state | |
2167 | * @scmd: pointer to scsi cmd from OS | |
2168 | */ | |
2169 | static u32 | |
2170 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
2171 | struct scsi_cmnd *scmd) | |
2172 | { | |
2173 | struct megasas_cmd_fusion *cmd; | |
2174 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2175 | u32 index; | |
2176 | struct fusion_context *fusion; | |
2177 | ||
2178 | fusion = instance->ctrl_context; | |
2179 | ||
308ec459 SS |
2180 | if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) && |
2181 | instance->ldio_threshold && | |
2182 | (atomic_inc_return(&instance->ldio_outstanding) > | |
2183 | instance->ldio_threshold)) { | |
2184 | atomic_dec(&instance->ldio_outstanding); | |
2185 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
2186 | } | |
2187 | ||
4026e9aa | 2188 | cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); |
9c915a8c | 2189 | |
2190 | index = cmd->index; | |
2191 | ||
2192 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
2193 | if (!req_desc) | |
f9a9dee6 | 2194 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c | 2195 | |
2196 | req_desc->Words = 0; | |
2197 | cmd->request_desc = req_desc; | |
9c915a8c | 2198 | |
2199 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
2200 | megasas_return_cmd_fusion(instance, cmd); | |
1be18254 | 2201 | dev_err(&instance->pdev->dev, "Error building command\n"); |
9c915a8c | 2202 | cmd->request_desc = NULL; |
f9a9dee6 | 2203 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c | 2204 | } |
2205 | ||
2206 | req_desc = cmd->request_desc; | |
94cd65dd | 2207 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c | 2208 | |
2209 | if (cmd->io_request->ChainOffset != 0 && | |
2210 | cmd->io_request->ChainOffset != 0xF) | |
1be18254 | 2211 | dev_err(&instance->pdev->dev, "The chain offset value is not " |
9c915a8c | 2212 | "correct : %x\n", cmd->io_request->ChainOffset); |
2213 | ||
2214 | /* | |
2215 | * Issue the command to the FW | |
2216 | */ | |
2217 | atomic_inc(&instance->fw_outstanding); | |
2218 | ||
01d7f03b | 2219 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c | 2220 | |
2221 | return 0; | |
2222 | } | |
2223 | ||
2224 | /** | |
2225 | * complete_cmd_fusion - Completes command | |
2226 | * @instance: Adapter soft state | |
2227 | * Completes all commands that is in reply descriptor queue | |
2228 | */ | |
2229 | int | |
c8e858fe | 2230 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c | 2231 | { |
2232 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
2233 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
2234 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
2235 | struct fusion_context *fusion; | |
2236 | struct megasas_cmd *cmd_mfi; | |
2237 | struct megasas_cmd_fusion *cmd_fusion; | |
2238 | u16 smid, num_completed; | |
d2552ebe | 2239 | u8 reply_descript_type; |
9c915a8c | 2240 | u32 status, extStatus, device_id; |
2241 | union desc_value d_val; | |
2242 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 2243 | int threshold_reply_count = 0; |
4026e9aa | 2244 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 SS |
2245 | struct MR_TASK_MANAGE_REQUEST *mr_tm_req; |
2246 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_tm_req; | |
9c915a8c | 2247 | |
2248 | fusion = instance->ctrl_context; | |
2249 | ||
8a01a41d | 2250 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
9c915a8c | 2251 | return IRQ_HANDLED; |
2252 | ||
179ac142 SS |
2253 | desc = fusion->reply_frames_desc[MSIxIndex] + |
2254 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c | 2255 | |
2256 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2257 | ||
2258 | d_val.word = desc->Words; | |
2259 | ||
2260 | reply_descript_type = reply_desc->ReplyFlags & | |
2261 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2262 | ||
2263 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2264 | return IRQ_NONE; | |
2265 | ||
9c915a8c | 2266 | num_completed = 0; |
2267 | ||
c6f5bf81 CH |
2268 | while (d_val.u.low != cpu_to_le32(UINT_MAX) && |
2269 | d_val.u.high != cpu_to_le32(UINT_MAX)) { | |
94cd65dd | 2270 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c | 2271 | |
2272 | cmd_fusion = fusion->cmd_list[smid - 1]; | |
2273 | ||
2274 | scsi_io_req = | |
2275 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
2276 | cmd_fusion->io_request; | |
2277 | ||
2278 | if (cmd_fusion->scmd) | |
2279 | cmd_fusion->scmd->SCp.ptr = NULL; | |
2280 | ||
4026e9aa | 2281 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 2282 | status = scsi_io_req->RaidContext.status; |
2283 | extStatus = scsi_io_req->RaidContext.exStatus; | |
2284 | ||
2285 | switch (scsi_io_req->Function) { | |
18365b13 SS |
2286 | case MPI2_FUNCTION_SCSI_TASK_MGMT: |
2287 | mr_tm_req = (struct MR_TASK_MANAGE_REQUEST *) | |
2288 | cmd_fusion->io_request; | |
2289 | mpi_tm_req = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) | |
2290 | &mr_tm_req->TmRequest; | |
2291 | dev_dbg(&instance->pdev->dev, "TM completion:" | |
2292 | "type: 0x%x TaskMID: 0x%x\n", | |
2293 | mpi_tm_req->TaskType, mpi_tm_req->TaskMID); | |
2294 | complete(&cmd_fusion->done); | |
2295 | break; | |
9c915a8c | 2296 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ |
2297 | /* Update load balancing info */ | |
4026e9aa | 2298 | device_id = MEGASAS_DEV_INDEX(scmd_local); |
9c915a8c | 2299 | lbinfo = &fusion->load_balance_info[device_id]; |
2300 | if (cmd_fusion->scmd->SCp.Status & | |
2301 | MEGASAS_LOAD_BALANCE_FLAG) { | |
d2552ebe | 2302 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
9c915a8c | 2303 | cmd_fusion->scmd->SCp.Status &= |
2304 | ~MEGASAS_LOAD_BALANCE_FLAG; | |
2305 | } | |
2306 | if (reply_descript_type == | |
2307 | MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) { | |
2308 | if (megasas_dbg_lvl == 5) | |
1be18254 | 2309 | dev_err(&instance->pdev->dev, "\nFAST Path " |
9c915a8c | 2310 | "IO Success\n"); |
2311 | } | |
2312 | /* Fall thru and complete IO */ | |
2313 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ | |
2314 | /* Map the FW Cmd Status */ | |
2315 | map_cmd_status(cmd_fusion, status, extStatus); | |
9c915a8c | 2316 | scsi_io_req->RaidContext.status = 0; |
2317 | scsi_io_req->RaidContext.exStatus = 0; | |
308ec459 SS |
2318 | if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) |
2319 | atomic_dec(&instance->ldio_outstanding); | |
9c915a8c | 2320 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
2321 | scsi_dma_unmap(scmd_local); |
2322 | scmd_local->scsi_done(scmd_local); | |
9c915a8c | 2323 | atomic_dec(&instance->fw_outstanding); |
2324 | ||
2325 | break; | |
2326 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
2327 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
90dc9d98 | 2328 | |
4026e9aa SS |
2329 | /* Poll mode. Dummy free. |
2330 | * In case of Interrupt mode, caller has reverse check. | |
2331 | */ | |
2332 | if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { | |
2333 | cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; | |
2334 | megasas_return_cmd(instance, cmd_mfi); | |
2335 | } else | |
2336 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
9c915a8c | 2337 | break; |
2338 | } | |
2339 | ||
c8e858fe | 2340 | fusion->last_reply_idx[MSIxIndex]++; |
2341 | if (fusion->last_reply_idx[MSIxIndex] >= | |
2342 | fusion->reply_q_depth) | |
2343 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c | 2344 | |
c6f5bf81 | 2345 | desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 2346 | num_completed++; |
db4fc864 | 2347 | threshold_reply_count++; |
9c915a8c | 2348 | |
2349 | /* Get the next reply descriptor */ | |
c8e858fe | 2350 | if (!fusion->last_reply_idx[MSIxIndex]) |
179ac142 | 2351 | desc = fusion->reply_frames_desc[MSIxIndex]; |
9c915a8c | 2352 | else |
2353 | desc++; | |
2354 | ||
2355 | reply_desc = | |
2356 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2357 | ||
2358 | d_val.word = desc->Words; | |
2359 | ||
2360 | reply_descript_type = reply_desc->ReplyFlags & | |
2361 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2362 | ||
2363 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2364 | break; | |
db4fc864 SS |
2365 | /* |
2366 | * Write to reply post host index register after completing threshold | |
2367 | * number of reply counts and still there are more replies in reply queue | |
2368 | * pending to be completed | |
2369 | */ | |
2370 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
5a8cb85b | 2371 | if (fusion->adapter_type == INVADER_SERIES) |
db4fc864 SS |
2372 | writel(((MSIxIndex & 0x7) << 24) | |
2373 | fusion->last_reply_idx[MSIxIndex], | |
2374 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2375 | else | |
2376 | writel((MSIxIndex << 24) | | |
2377 | fusion->last_reply_idx[MSIxIndex], | |
2378 | instance->reply_post_host_index_addr[0]); | |
2379 | threshold_reply_count = 0; | |
2380 | } | |
9c915a8c | 2381 | } |
2382 | ||
2383 | if (!num_completed) | |
2384 | return IRQ_NONE; | |
2385 | ||
2386 | wmb(); | |
5a8cb85b | 2387 | if (fusion->adapter_type == INVADER_SERIES) |
d46a3ad6 SS |
2388 | writel(((MSIxIndex & 0x7) << 24) | |
2389 | fusion->last_reply_idx[MSIxIndex], | |
2390 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2391 | else | |
2392 | writel((MSIxIndex << 24) | | |
2393 | fusion->last_reply_idx[MSIxIndex], | |
2394 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 2395 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c | 2396 | return IRQ_HANDLED; |
2397 | } | |
2398 | ||
2399 | /** | |
2400 | * megasas_complete_cmd_dpc_fusion - Completes command | |
2401 | * @instance: Adapter soft state | |
2402 | * | |
2403 | * Tasklet to complete cmds | |
2404 | */ | |
2405 | void | |
2406 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
2407 | { | |
2408 | struct megasas_instance *instance = | |
2409 | (struct megasas_instance *)instance_addr; | |
2410 | unsigned long flags; | |
c8e858fe | 2411 | u32 count, MSIxIndex; |
2412 | ||
2413 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c | 2414 | |
2415 | /* If we have already declared adapter dead, donot complete cmds */ | |
2416 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 2417 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
9c915a8c | 2418 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
2419 | return; | |
2420 | } | |
2421 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2422 | ||
c8e858fe | 2423 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
2424 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c | 2425 | } |
2426 | ||
2427 | /** | |
2428 | * megasas_isr_fusion - isr entry point | |
2429 | */ | |
2430 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
2431 | { | |
c8e858fe | 2432 | struct megasas_irq_context *irq_context = devp; |
2433 | struct megasas_instance *instance = irq_context->instance; | |
fc62b3fc | 2434 | u32 mfiStatus, fw_state, dma_state; |
9c915a8c | 2435 | |
d46a3ad6 SS |
2436 | if (instance->mask_interrupts) |
2437 | return IRQ_NONE; | |
2438 | ||
c8e858fe | 2439 | if (!instance->msix_vectors) { |
9c915a8c | 2440 | mfiStatus = instance->instancet->clear_intr(instance->reg_set); |
2441 | if (!mfiStatus) | |
2442 | return IRQ_NONE; | |
2443 | } | |
2444 | ||
2445 | /* If we are resetting, bail */ | |
6497b247 | 2446 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
2447 | instance->instancet->clear_intr(instance->reg_set); | |
9c915a8c | 2448 | return IRQ_HANDLED; |
6497b247 | 2449 | } |
9c915a8c | 2450 | |
c8e858fe | 2451 | if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) { |
6497b247 | 2452 | instance->instancet->clear_intr(instance->reg_set); |
9c915a8c | 2453 | /* If we didn't complete any commands, check for FW fault */ |
2454 | fw_state = instance->instancet->read_fw_status_reg( | |
2455 | instance->reg_set) & MFI_STATE_MASK; | |
fc62b3fc SS |
2456 | dma_state = instance->instancet->read_fw_status_reg |
2457 | (instance->reg_set) & MFI_STATE_DMADONE; | |
2458 | if (instance->crash_dump_drv_support && | |
2459 | instance->crash_dump_app_support) { | |
2460 | /* Start collecting crash, if DMA bit is done */ | |
2461 | if ((fw_state == MFI_STATE_FAULT) && dma_state) | |
2462 | schedule_work(&instance->crash_init); | |
2463 | else if (fw_state == MFI_STATE_FAULT) | |
2464 | schedule_work(&instance->work_init); | |
2465 | } else if (fw_state == MFI_STATE_FAULT) { | |
1be18254 | 2466 | dev_warn(&instance->pdev->dev, "Iop2SysDoorbellInt" |
229fe47c | 2467 | "for scsi%d\n", instance->host->host_no); |
9c915a8c | 2468 | schedule_work(&instance->work_init); |
229fe47c | 2469 | } |
9c915a8c | 2470 | } |
2471 | ||
2472 | return IRQ_HANDLED; | |
2473 | } | |
2474 | ||
2475 | /** | |
2476 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
2477 | * @instance: Adapter soft state | |
2478 | * mfi_cmd: megasas_cmd pointer | |
2479 | * | |
2480 | */ | |
2481 | u8 | |
2482 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, | |
2483 | struct megasas_cmd *mfi_cmd) | |
2484 | { | |
2485 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
2486 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
2487 | struct megasas_cmd_fusion *cmd; | |
2488 | struct fusion_context *fusion; | |
2489 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
2490 | ||
4026e9aa SS |
2491 | fusion = instance->ctrl_context; |
2492 | ||
2493 | cmd = megasas_get_cmd_fusion(instance, | |
2494 | instance->max_scsi_cmds + mfi_cmd->index); | |
9c915a8c | 2495 | |
2496 | /* Save the smid. To be used for returning the cmd */ | |
2497 | mfi_cmd->context.smid = cmd->index; | |
90dc9d98 | 2498 | |
9c915a8c | 2499 | /* |
2500 | * For cmds where the flag is set, store the flag and check | |
2501 | * on completion. For cmds with this flag, don't call | |
2502 | * megasas_complete_cmd | |
2503 | */ | |
2504 | ||
6e755ddc | 2505 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
4026e9aa | 2506 | mfi_cmd->flags |= DRV_DCMD_POLLED_MODE; |
9c915a8c | 2507 | |
9c915a8c | 2508 | io_req = cmd->io_request; |
36807e67 | 2509 | |
5a8cb85b | 2510 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 | 2511 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
2512 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
2513 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2514 | sgl_ptr_end->Flags = 0; | |
2515 | } | |
2516 | ||
9c915a8c | 2517 | mpi25_ieee_chain = |
2518 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
2519 | ||
2520 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
2521 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
2522 | SGL) / 4; | |
2523 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
2524 | ||
94cd65dd | 2525 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c | 2526 | |
2527 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2528 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
2529 | ||
bd5f9484 | 2530 | mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz); |
9c915a8c | 2531 | |
2532 | return 0; | |
2533 | } | |
2534 | ||
2535 | /** | |
2536 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
2537 | * @instance: Adapter soft state | |
2538 | * @cmd: mfi cmd to build | |
2539 | * | |
2540 | */ | |
2541 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2542 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2543 | { | |
2544 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2545 | u16 index; | |
2546 | ||
2547 | if (build_mpt_mfi_pass_thru(instance, cmd)) { | |
1be18254 | 2548 | dev_err(&instance->pdev->dev, "Couldn't build MFI pass thru cmd\n"); |
9c915a8c | 2549 | return NULL; |
2550 | } | |
2551 | ||
2552 | index = cmd->context.smid; | |
2553 | ||
2554 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
2555 | ||
2556 | if (!req_desc) | |
2557 | return NULL; | |
2558 | ||
2559 | req_desc->Words = 0; | |
2560 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2561 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2562 | ||
94cd65dd | 2563 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c | 2564 | |
2565 | return req_desc; | |
2566 | } | |
2567 | ||
2568 | /** | |
2569 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
2570 | * @instance: Adapter soft state | |
2571 | * @cmd: mfi cmd pointer | |
2572 | * | |
2573 | */ | |
6d40afbc | 2574 | int |
9c915a8c | 2575 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, |
2576 | struct megasas_cmd *cmd) | |
2577 | { | |
2578 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c | 2579 | |
2580 | req_desc = build_mpt_cmd(instance, cmd); | |
2581 | if (!req_desc) { | |
6d40afbc SS |
2582 | dev_info(&instance->pdev->dev, "Failed from %s %d\n", |
2583 | __func__, __LINE__); | |
2584 | return DCMD_NOT_FIRED; | |
9c915a8c | 2585 | } |
6d40afbc | 2586 | |
01d7f03b | 2587 | megasas_fire_cmd_fusion(instance, req_desc); |
6d40afbc | 2588 | return DCMD_SUCCESS; |
9c915a8c | 2589 | } |
2590 | ||
2591 | /** | |
2592 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 2593 | * @instance: Adapter soft state |
9c915a8c | 2594 | */ |
2595 | void | |
2596 | megasas_release_fusion(struct megasas_instance *instance) | |
2597 | { | |
2598 | megasas_free_cmds(instance); | |
2599 | megasas_free_cmds_fusion(instance); | |
2600 | ||
2601 | iounmap(instance->reg_set); | |
2602 | ||
2603 | pci_release_selected_regions(instance->pdev, instance->bar); | |
2604 | } | |
2605 | ||
2606 | /** | |
2607 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
2608 | * @regs: MFI register set | |
2609 | */ | |
2610 | static u32 | |
2611 | megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs) | |
2612 | { | |
2613 | return readl(&(regs)->outbound_scratch_pad); | |
2614 | } | |
2615 | ||
fc62b3fc SS |
2616 | /** |
2617 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2618 | * @instance: Controller's soft instance | |
2619 | * return: Number of allocated host crash buffers | |
2620 | */ | |
2621 | static void | |
2622 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
2623 | { | |
2624 | unsigned int i; | |
2625 | ||
2626 | instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE); | |
2627 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { | |
2628 | instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL, | |
2629 | instance->crash_buf_pages); | |
2630 | if (!instance->crash_buf[i]) { | |
2631 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
2632 | "memory allocation failed at index %d\n", i); | |
2633 | break; | |
2634 | } | |
d009b576 SS |
2635 | memset(instance->crash_buf[i], 0, |
2636 | ((1 << PAGE_SHIFT) << instance->crash_buf_pages)); | |
fc62b3fc SS |
2637 | } |
2638 | instance->drv_buf_alloc = i; | |
2639 | } | |
2640 | ||
2641 | /** | |
2642 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2643 | * @instance: Controller's soft instance | |
2644 | */ | |
2645 | void | |
2646 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
2647 | { | |
2648 | unsigned int i | |
2649 | ; | |
2650 | for (i = 0; i < instance->drv_buf_alloc; i++) { | |
2651 | if (instance->crash_buf[i]) | |
2652 | free_pages((ulong)instance->crash_buf[i], | |
2653 | instance->crash_buf_pages); | |
2654 | } | |
2655 | instance->drv_buf_index = 0; | |
2656 | instance->drv_buf_alloc = 0; | |
2657 | instance->fw_crash_state = UNAVAILABLE; | |
2658 | instance->fw_crash_buffer_size = 0; | |
2659 | } | |
2660 | ||
9c915a8c | 2661 | /** |
2662 | * megasas_adp_reset_fusion - For controller reset | |
2663 | * @regs: MFI register set | |
2664 | */ | |
2665 | static int | |
2666 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
2667 | struct megasas_register_set __iomem *regs) | |
2668 | { | |
79b82c2c | 2669 | u32 host_diag, abs_state, retry; |
2670 | ||
2671 | /* Now try to reset the chip */ | |
2672 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2673 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2674 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2675 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2676 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2677 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2678 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2679 | ||
2680 | /* Check that the diag write enable (DRWE) bit is on */ | |
2681 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2682 | retry = 0; | |
2683 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { | |
2684 | msleep(100); | |
2685 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2686 | if (retry++ == 100) { | |
2687 | dev_warn(&instance->pdev->dev, | |
2688 | "Host diag unlock failed from %s %d\n", | |
2689 | __func__, __LINE__); | |
2690 | break; | |
2691 | } | |
2692 | } | |
2693 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
2694 | return -1; | |
2695 | ||
2696 | /* Send chip reset command */ | |
2697 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
2698 | &instance->reg_set->fusion_host_diag); | |
2699 | msleep(3000); | |
2700 | ||
2701 | /* Make sure reset adapter bit is cleared */ | |
2702 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2703 | retry = 0; | |
2704 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
2705 | msleep(100); | |
2706 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2707 | if (retry++ == 1000) { | |
2708 | dev_warn(&instance->pdev->dev, | |
2709 | "Diag reset adapter never cleared %s %d\n", | |
2710 | __func__, __LINE__); | |
2711 | break; | |
2712 | } | |
2713 | } | |
2714 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
2715 | return -1; | |
2716 | ||
2717 | abs_state = instance->instancet->read_fw_status_reg(instance->reg_set) | |
2718 | & MFI_STATE_MASK; | |
2719 | retry = 0; | |
2720 | ||
2721 | while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) { | |
2722 | msleep(100); | |
2723 | abs_state = instance->instancet-> | |
2724 | read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; | |
2725 | } | |
2726 | if (abs_state <= MFI_STATE_FW_INIT) { | |
2727 | dev_warn(&instance->pdev->dev, | |
2728 | "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n", | |
2729 | abs_state, __func__, __LINE__); | |
2730 | return -1; | |
2731 | } | |
2732 | ||
9c915a8c | 2733 | return 0; |
2734 | } | |
2735 | ||
2736 | /** | |
2737 | * megasas_check_reset_fusion - For controller reset check | |
2738 | * @regs: MFI register set | |
2739 | */ | |
2740 | static int | |
2741 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
2742 | struct megasas_register_set __iomem *regs) | |
2743 | { | |
2744 | return 0; | |
2745 | } | |
2746 | ||
2747 | /* This function waits for outstanding commands on fusion to complete */ | |
229fe47c | 2748 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
6d40afbc | 2749 | int reason, int *convert) |
9c915a8c | 2750 | { |
229fe47c | 2751 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 2752 | u32 fw_state; |
9c915a8c | 2753 | |
c007b8b2 | 2754 | for (i = 0; i < resetwaittime; i++) { |
9c915a8c | 2755 | /* Check if firmware is in fault state */ |
2756 | fw_state = instance->instancet->read_fw_status_reg( | |
2757 | instance->reg_set) & MFI_STATE_MASK; | |
2758 | if (fw_state == MFI_STATE_FAULT) { | |
1be18254 | 2759 | dev_warn(&instance->pdev->dev, "Found FW in FAULT state," |
229fe47c | 2760 | " will reset adapter scsi%d.\n", |
2761 | instance->host->host_no); | |
2762 | retval = 1; | |
2763 | goto out; | |
2764 | } | |
6d40afbc SS |
2765 | |
2766 | if (reason == MFI_IO_TIMEOUT_OCR) { | |
2767 | dev_info(&instance->pdev->dev, | |
2768 | "MFI IO is timed out, initiating OCR\n"); | |
2769 | retval = 1; | |
2770 | goto out; | |
2771 | } | |
2772 | ||
229fe47c | 2773 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ |
6d40afbc | 2774 | if (instance->requestorId && !reason) { |
9c915a8c | 2775 | retval = 1; |
2776 | goto out; | |
2777 | } | |
2778 | ||
229fe47c | 2779 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
6d40afbc | 2780 | if (instance->requestorId && reason) { |
229fe47c | 2781 | if (instance->hb_host_mem->HB.fwCounter != |
2782 | instance->hb_host_mem->HB.driverCounter) { | |
2783 | instance->hb_host_mem->HB.driverCounter = | |
2784 | instance->hb_host_mem->HB.fwCounter; | |
2785 | hb_seconds_missed = 0; | |
2786 | } else { | |
2787 | hb_seconds_missed++; | |
2788 | if (hb_seconds_missed == | |
2789 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
1be18254 | 2790 | dev_warn(&instance->pdev->dev, "SR-IOV:" |
229fe47c | 2791 | " Heartbeat never completed " |
2792 | " while polling during I/O " | |
2793 | " timeout handling for " | |
2794 | "scsi%d.\n", | |
2795 | instance->host->host_no); | |
2796 | *convert = 1; | |
2797 | retval = 1; | |
2798 | goto out; | |
2799 | } | |
2800 | } | |
2801 | } | |
2802 | ||
9c915a8c | 2803 | outstanding = atomic_read(&instance->fw_outstanding); |
2804 | if (!outstanding) | |
2805 | goto out; | |
2806 | ||
2807 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 2808 | dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " |
229fe47c | 2809 | "commands to complete for scsi%d\n", i, |
2810 | outstanding, instance->host->host_no); | |
9c915a8c | 2811 | megasas_complete_cmd_dpc_fusion( |
2812 | (unsigned long)instance); | |
2813 | } | |
2814 | msleep(1000); | |
2815 | } | |
2816 | ||
2817 | if (atomic_read(&instance->fw_outstanding)) { | |
1be18254 | 2818 | dev_err(&instance->pdev->dev, "pending commands remain after waiting, " |
229fe47c | 2819 | "will reset adapter scsi%d.\n", |
2820 | instance->host->host_no); | |
9c915a8c | 2821 | retval = 1; |
2822 | } | |
2823 | out: | |
2824 | return retval; | |
2825 | } | |
2826 | ||
2827 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
2828 | { | |
179ac142 | 2829 | int i, j, count; |
9c915a8c | 2830 | struct fusion_context *fusion; |
2831 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
2832 | ||
2833 | fusion = instance->ctrl_context; | |
c8e858fe | 2834 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
179ac142 | 2835 | for (i = 0 ; i < count ; i++) { |
c8e858fe | 2836 | fusion->last_reply_idx[i] = 0; |
179ac142 SS |
2837 | reply_desc = fusion->reply_frames_desc[i]; |
2838 | for (j = 0 ; j < fusion->reply_q_depth; j++, reply_desc++) | |
2839 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
2840 | } | |
9c915a8c | 2841 | } |
2842 | ||
9b828182 SS |
2843 | /* |
2844 | * megasas_refire_mgmt_cmd : Re-fire management commands | |
2845 | * @instance: Controller's soft instance | |
2846 | */ | |
2847 | void megasas_refire_mgmt_cmd(struct megasas_instance *instance) | |
2848 | { | |
2849 | int j; | |
2850 | struct megasas_cmd_fusion *cmd_fusion; | |
2851 | struct fusion_context *fusion; | |
2852 | struct megasas_cmd *cmd_mfi; | |
2853 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2854 | u16 smid; | |
6d40afbc | 2855 | bool refire_cmd = 0; |
9b828182 SS |
2856 | |
2857 | fusion = instance->ctrl_context; | |
2858 | ||
2859 | /* Re-fire management commands. | |
2860 | * Do not traverse complet MPT frame pool. Start from max_scsi_cmds. | |
2861 | */ | |
2862 | for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) { | |
2863 | cmd_fusion = fusion->cmd_list[j]; | |
2864 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
2865 | smid = le16_to_cpu(cmd_mfi->context.smid); | |
2866 | ||
2867 | if (!smid) | |
2868 | continue; | |
2869 | req_desc = megasas_get_request_descriptor | |
2870 | (instance, smid - 1); | |
6d40afbc | 2871 | refire_cmd = req_desc && ((cmd_mfi->frame->dcmd.opcode != |
3761cb4c | 2872 | cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) && |
2873 | (cmd_mfi->frame->dcmd.opcode != | |
6d40afbc SS |
2874 | cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO))) |
2875 | && !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE); | |
2876 | if (refire_cmd) | |
01d7f03b CH |
2877 | megasas_fire_cmd_fusion(instance, req_desc); |
2878 | else | |
9b828182 SS |
2879 | megasas_return_cmd(instance, cmd_mfi); |
2880 | } | |
9c915a8c | 2881 | } |
2882 | ||
18365b13 SS |
2883 | /* |
2884 | * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device | |
2885 | * @instance: per adapter struct | |
2886 | * @channel: the channel assigned by the OS | |
2887 | * @id: the id assigned by the OS | |
2888 | * | |
2889 | * Returns SUCCESS if no IOs pending to SCSI device, else return FAILED | |
2890 | */ | |
2891 | ||
2892 | static int megasas_track_scsiio(struct megasas_instance *instance, | |
2893 | int id, int channel) | |
2894 | { | |
2895 | int i, found = 0; | |
2896 | struct megasas_cmd_fusion *cmd_fusion; | |
2897 | struct fusion_context *fusion; | |
2898 | fusion = instance->ctrl_context; | |
2899 | ||
2900 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { | |
2901 | cmd_fusion = fusion->cmd_list[i]; | |
2902 | if (cmd_fusion->scmd && | |
2903 | (cmd_fusion->scmd->device->id == id && | |
2904 | cmd_fusion->scmd->device->channel == channel)) { | |
2905 | dev_info(&instance->pdev->dev, | |
2906 | "SCSI commands pending to target" | |
2907 | "channel %d id %d \tSMID: 0x%x\n", | |
2908 | channel, id, cmd_fusion->index); | |
2909 | scsi_print_command(cmd_fusion->scmd); | |
2910 | found = 1; | |
2911 | break; | |
2912 | } | |
2913 | } | |
2914 | ||
2915 | return found ? FAILED : SUCCESS; | |
2916 | } | |
2917 | ||
2918 | /** | |
2919 | * megasas_tm_response_code - translation of device response code | |
2920 | * @ioc: per adapter object | |
2921 | * @mpi_reply: MPI reply returned by firmware | |
2922 | * | |
2923 | * Return nothing. | |
2924 | */ | |
2925 | static void | |
2926 | megasas_tm_response_code(struct megasas_instance *instance, | |
2927 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) | |
2928 | { | |
2929 | char *desc; | |
2930 | ||
2931 | switch (mpi_reply->ResponseCode) { | |
2932 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
2933 | desc = "task management request completed"; | |
2934 | break; | |
2935 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
2936 | desc = "invalid frame"; | |
2937 | break; | |
2938 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
2939 | desc = "task management request not supported"; | |
2940 | break; | |
2941 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
2942 | desc = "task management request failed"; | |
2943 | break; | |
2944 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
2945 | desc = "task management request succeeded"; | |
2946 | break; | |
2947 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
2948 | desc = "invalid lun"; | |
2949 | break; | |
2950 | case 0xA: | |
2951 | desc = "overlapped tag attempted"; | |
2952 | break; | |
2953 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
2954 | desc = "task queued, however not sent to target"; | |
2955 | break; | |
2956 | default: | |
2957 | desc = "unknown"; | |
2958 | break; | |
2959 | } | |
2960 | dev_dbg(&instance->pdev->dev, "response_code(%01x): %s\n", | |
2961 | mpi_reply->ResponseCode, desc); | |
2962 | dev_dbg(&instance->pdev->dev, | |
2963 | "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo" | |
2964 | " 0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", | |
2965 | mpi_reply->TerminationCount, mpi_reply->DevHandle, | |
2966 | mpi_reply->Function, mpi_reply->TaskType, | |
2967 | mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); | |
2968 | } | |
2969 | ||
2970 | /** | |
2971 | * megasas_issue_tm - main routine for sending tm requests | |
2972 | * @instance: per adapter struct | |
2973 | * @device_handle: device handle | |
2974 | * @channel: the channel assigned by the OS | |
2975 | * @id: the id assigned by the OS | |
2976 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c) | |
2977 | * @smid_task: smid assigned to the task | |
2978 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF | |
2979 | * Context: user | |
2980 | * | |
2981 | * MegaRaid use MPT interface for Task Magement request. | |
2982 | * A generic API for sending task management requests to firmware. | |
2983 | * | |
2984 | * Return SUCCESS or FAILED. | |
2985 | */ | |
2986 | static int | |
2987 | megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, | |
2988 | uint channel, uint id, u16 smid_task, u8 type) | |
2989 | { | |
2990 | struct MR_TASK_MANAGE_REQUEST *mr_request; | |
2991 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_request; | |
2992 | unsigned long timeleft; | |
2993 | struct megasas_cmd_fusion *cmd_fusion; | |
2994 | struct megasas_cmd *cmd_mfi; | |
2995 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2996 | struct fusion_context *fusion; | |
2997 | struct megasas_cmd_fusion *scsi_lookup; | |
2998 | int rc; | |
2999 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; | |
3000 | ||
3001 | fusion = instance->ctrl_context; | |
3002 | ||
3003 | cmd_mfi = megasas_get_cmd(instance); | |
3004 | ||
3005 | if (!cmd_mfi) { | |
3006 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
3007 | __func__, __LINE__); | |
3008 | return -ENOMEM; | |
3009 | } | |
3010 | ||
3011 | cmd_fusion = megasas_get_cmd_fusion(instance, | |
3012 | instance->max_scsi_cmds + cmd_mfi->index); | |
3013 | ||
3014 | /* Save the smid. To be used for returning the cmd */ | |
3015 | cmd_mfi->context.smid = cmd_fusion->index; | |
3016 | ||
3017 | req_desc = megasas_get_request_descriptor(instance, | |
3018 | (cmd_fusion->index - 1)); | |
3019 | if (!req_desc) { | |
3020 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
3021 | __func__, __LINE__); | |
3022 | megasas_return_cmd(instance, cmd_mfi); | |
3023 | return -ENOMEM; | |
3024 | } | |
3025 | ||
3026 | cmd_fusion->request_desc = req_desc; | |
3027 | req_desc->Words = 0; | |
3028 | ||
3029 | scsi_lookup = fusion->cmd_list[smid_task - 1]; | |
3030 | ||
3031 | mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; | |
3032 | memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); | |
3033 | mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; | |
3034 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
3035 | mpi_request->DevHandle = cpu_to_le16(device_handle); | |
3036 | mpi_request->TaskType = type; | |
3037 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
3038 | mpi_request->LUN[1] = 0; | |
3039 | ||
3040 | ||
3041 | req_desc = cmd_fusion->request_desc; | |
3042 | req_desc->HighPriority.SMID = cpu_to_le16(cmd_fusion->index); | |
3043 | req_desc->HighPriority.RequestFlags = | |
3044 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
3045 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
3046 | req_desc->HighPriority.MSIxIndex = 0; | |
3047 | req_desc->HighPriority.LMID = 0; | |
3048 | req_desc->HighPriority.Reserved1 = 0; | |
3049 | ||
3050 | if (channel < MEGASAS_MAX_PD_CHANNELS) | |
3051 | mr_request->tmReqFlags.isTMForPD = 1; | |
3052 | else | |
3053 | mr_request->tmReqFlags.isTMForLD = 1; | |
3054 | ||
3055 | init_completion(&cmd_fusion->done); | |
3056 | megasas_fire_cmd_fusion(instance, req_desc); | |
3057 | ||
3058 | timeleft = wait_for_completion_timeout(&cmd_fusion->done, 50 * HZ); | |
3059 | ||
3060 | if (!timeleft) { | |
3061 | dev_err(&instance->pdev->dev, | |
3062 | "task mgmt type 0x%x timed out\n", type); | |
3063 | cmd_mfi->flags |= DRV_DCMD_SKIP_REFIRE; | |
3064 | mutex_unlock(&instance->reset_mutex); | |
3065 | rc = megasas_reset_fusion(instance->host, MFI_IO_TIMEOUT_OCR); | |
3066 | mutex_lock(&instance->reset_mutex); | |
3067 | return rc; | |
3068 | } | |
3069 | ||
3070 | mpi_reply = (struct MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->TMReply; | |
3071 | megasas_tm_response_code(instance, mpi_reply); | |
3072 | ||
3073 | megasas_return_cmd(instance, cmd_mfi); | |
3074 | rc = SUCCESS; | |
3075 | switch (type) { | |
3076 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
3077 | if (scsi_lookup->scmd == NULL) | |
3078 | break; | |
3079 | else { | |
3080 | instance->instancet->disable_intr(instance); | |
3081 | msleep(1000); | |
3082 | megasas_complete_cmd_dpc_fusion | |
3083 | ((unsigned long)instance); | |
3084 | instance->instancet->enable_intr(instance); | |
3085 | if (scsi_lookup->scmd == NULL) | |
3086 | break; | |
3087 | } | |
3088 | rc = FAILED; | |
3089 | break; | |
3090 | ||
3091 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
3092 | if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) | |
3093 | break; | |
3094 | instance->instancet->disable_intr(instance); | |
3095 | msleep(1000); | |
3096 | megasas_complete_cmd_dpc_fusion | |
3097 | ((unsigned long)instance); | |
3098 | rc = megasas_track_scsiio(instance, id, channel); | |
3099 | instance->instancet->enable_intr(instance); | |
3100 | ||
3101 | break; | |
3102 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: | |
3103 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: | |
3104 | break; | |
3105 | default: | |
3106 | rc = FAILED; | |
3107 | break; | |
3108 | } | |
3109 | ||
3110 | return rc; | |
3111 | ||
3112 | } | |
3113 | ||
3114 | /* | |
3115 | * megasas_fusion_smid_lookup : Look for fusion command correpspodning to SCSI | |
3116 | * @instance: per adapter struct | |
3117 | * | |
3118 | * Return Non Zero index, if SMID found in outstanding commands | |
3119 | */ | |
3120 | static u16 megasas_fusion_smid_lookup(struct scsi_cmnd *scmd) | |
3121 | { | |
3122 | int i, ret = 0; | |
3123 | struct megasas_instance *instance; | |
3124 | struct megasas_cmd_fusion *cmd_fusion; | |
3125 | struct fusion_context *fusion; | |
3126 | ||
3127 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3128 | ||
3129 | fusion = instance->ctrl_context; | |
3130 | ||
3131 | for (i = 0; i < instance->max_scsi_cmds; i++) { | |
3132 | cmd_fusion = fusion->cmd_list[i]; | |
3133 | if (cmd_fusion->scmd && (cmd_fusion->scmd == scmd)) { | |
3134 | scmd_printk(KERN_NOTICE, scmd, "Abort request is for" | |
3135 | " SMID: %d\n", cmd_fusion->index); | |
3136 | ret = cmd_fusion->index; | |
3137 | break; | |
3138 | } | |
3139 | } | |
3140 | ||
3141 | return ret; | |
3142 | } | |
3143 | ||
3144 | /* | |
3145 | * megasas_get_tm_devhandle - Get devhandle for TM request | |
3146 | * @sdev- OS provided scsi device | |
3147 | * | |
3148 | * Returns- devhandle/targetID of SCSI device | |
3149 | */ | |
3150 | static u16 megasas_get_tm_devhandle(struct scsi_device *sdev) | |
3151 | { | |
3152 | u16 pd_index = 0; | |
3153 | u32 device_id; | |
3154 | struct megasas_instance *instance; | |
3155 | struct fusion_context *fusion; | |
3156 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
3157 | u16 devhandle = (u16)ULONG_MAX; | |
3158 | ||
3159 | instance = (struct megasas_instance *)sdev->host->hostdata; | |
3160 | fusion = instance->ctrl_context; | |
3161 | ||
3162 | if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { | |
3163 | if (instance->use_seqnum_jbod_fp) { | |
3164 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + | |
3165 | sdev->id; | |
3166 | pd_sync = (void *)fusion->pd_seq_sync | |
3167 | [(instance->pd_seq_map_id - 1) & 1]; | |
3168 | devhandle = pd_sync->seq[pd_index].devHandle; | |
3169 | } else | |
3170 | sdev_printk(KERN_ERR, sdev, "Firmware expose tmCapable" | |
3171 | " without JBOD MAP support from %s %d\n", __func__, __LINE__); | |
3172 | } else { | |
3173 | device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) | |
3174 | + sdev->id; | |
3175 | devhandle = device_id; | |
3176 | } | |
3177 | ||
3178 | return devhandle; | |
3179 | } | |
3180 | ||
3181 | /* | |
3182 | * megasas_task_abort_fusion : SCSI task abort function for fusion adapters | |
3183 | * @scmd : pointer to scsi command object | |
3184 | * | |
3185 | * Return SUCCESS, if command aborted else FAILED | |
3186 | */ | |
3187 | ||
3188 | int megasas_task_abort_fusion(struct scsi_cmnd *scmd) | |
3189 | { | |
3190 | struct megasas_instance *instance; | |
3191 | u16 smid, devhandle; | |
3192 | struct fusion_context *fusion; | |
3193 | int ret; | |
3194 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
3195 | mr_device_priv_data = scmd->device->hostdata; | |
3196 | ||
3197 | ||
3198 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3199 | fusion = instance->ctrl_context; | |
3200 | ||
8a01a41d | 3201 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
3202 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
3203 | "SCSI host:%d\n", instance->host->host_no); | |
3204 | ret = FAILED; | |
3205 | return ret; | |
3206 | } | |
3207 | ||
3208 | if (!mr_device_priv_data) { | |
3209 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
3210 | "scmd(%p)\n", scmd); | |
3211 | scmd->result = DID_NO_CONNECT << 16; | |
3212 | ret = SUCCESS; | |
3213 | goto out; | |
3214 | } | |
3215 | ||
3216 | ||
3217 | if (!mr_device_priv_data->is_tm_capable) { | |
3218 | ret = FAILED; | |
3219 | goto out; | |
3220 | } | |
3221 | ||
3222 | mutex_lock(&instance->reset_mutex); | |
3223 | ||
3224 | smid = megasas_fusion_smid_lookup(scmd); | |
3225 | ||
3226 | if (!smid) { | |
3227 | ret = SUCCESS; | |
3228 | scmd_printk(KERN_NOTICE, scmd, "Command for which abort is" | |
3229 | " issued is not found in oustanding commands\n"); | |
3230 | mutex_unlock(&instance->reset_mutex); | |
3231 | goto out; | |
3232 | } | |
3233 | ||
3234 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
3235 | ||
3236 | if (devhandle == (u16)ULONG_MAX) { | |
3237 | ret = SUCCESS; | |
3238 | sdev_printk(KERN_INFO, scmd->device, | |
3239 | "task abort issued for invalid devhandle\n"); | |
3240 | mutex_unlock(&instance->reset_mutex); | |
3241 | goto out; | |
3242 | } | |
3243 | sdev_printk(KERN_INFO, scmd->device, | |
3244 | "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n", | |
3245 | scmd, devhandle); | |
3246 | ||
3247 | mr_device_priv_data->tm_busy = 1; | |
3248 | ret = megasas_issue_tm(instance, devhandle, | |
3249 | scmd->device->channel, scmd->device->id, smid, | |
3250 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK); | |
3251 | mr_device_priv_data->tm_busy = 0; | |
3252 | ||
3253 | mutex_unlock(&instance->reset_mutex); | |
3254 | out: | |
3255 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", | |
3256 | ((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
3257 | ||
3258 | return ret; | |
3259 | } | |
3260 | ||
3261 | /* | |
3262 | * megasas_reset_target_fusion : target reset function for fusion adapters | |
3263 | * scmd: SCSI command pointer | |
3264 | * | |
3265 | * Returns SUCCESS if all commands associated with target aborted else FAILED | |
3266 | */ | |
3267 | ||
3268 | int megasas_reset_target_fusion(struct scsi_cmnd *scmd) | |
3269 | { | |
3270 | ||
3271 | struct megasas_instance *instance; | |
3272 | int ret = FAILED; | |
3273 | u16 devhandle; | |
3274 | struct fusion_context *fusion; | |
3275 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
3276 | mr_device_priv_data = scmd->device->hostdata; | |
3277 | ||
3278 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3279 | fusion = instance->ctrl_context; | |
3280 | ||
8a01a41d | 3281 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
3282 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
3283 | "SCSI host:%d\n", instance->host->host_no); | |
3284 | ret = FAILED; | |
3285 | return ret; | |
3286 | } | |
3287 | ||
3288 | if (!mr_device_priv_data) { | |
3289 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
3290 | "scmd(%p)\n", scmd); | |
3291 | scmd->result = DID_NO_CONNECT << 16; | |
3292 | ret = SUCCESS; | |
3293 | goto out; | |
3294 | } | |
3295 | ||
3296 | ||
3297 | if (!mr_device_priv_data->is_tm_capable) { | |
3298 | ret = FAILED; | |
3299 | goto out; | |
3300 | } | |
3301 | ||
3302 | mutex_lock(&instance->reset_mutex); | |
3303 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
3304 | ||
3305 | if (devhandle == (u16)ULONG_MAX) { | |
3306 | ret = SUCCESS; | |
3307 | sdev_printk(KERN_INFO, scmd->device, | |
3308 | "target reset issued for invalid devhandle\n"); | |
3309 | mutex_unlock(&instance->reset_mutex); | |
3310 | goto out; | |
3311 | } | |
3312 | ||
3313 | sdev_printk(KERN_INFO, scmd->device, | |
3314 | "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n", | |
3315 | scmd, devhandle); | |
3316 | mr_device_priv_data->tm_busy = 1; | |
3317 | ret = megasas_issue_tm(instance, devhandle, | |
3318 | scmd->device->channel, scmd->device->id, 0, | |
3319 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); | |
3320 | mr_device_priv_data->tm_busy = 0; | |
3321 | mutex_unlock(&instance->reset_mutex); | |
3322 | out: | |
3323 | scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n", | |
3324 | (ret == SUCCESS) ? "SUCCESS" : "FAILED"); | |
3325 | ||
3326 | return ret; | |
3327 | } | |
3328 | ||
8f67c8c5 SS |
3329 | /*SRIOV get other instance in cluster if any*/ |
3330 | struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance) | |
3331 | { | |
3332 | int i; | |
3333 | ||
3334 | for (i = 0; i < MAX_MGMT_ADAPTERS; i++) { | |
3335 | if (megasas_mgmt_info.instance[i] && | |
3336 | (megasas_mgmt_info.instance[i] != instance) && | |
3337 | megasas_mgmt_info.instance[i]->requestorId && | |
3338 | megasas_mgmt_info.instance[i]->peerIsPresent && | |
3339 | (memcmp((megasas_mgmt_info.instance[i]->clusterId), | |
3340 | instance->clusterId, MEGASAS_CLUSTER_ID_SIZE) == 0)) | |
3341 | return megasas_mgmt_info.instance[i]; | |
3342 | } | |
3343 | return NULL; | |
3344 | } | |
3345 | ||
229fe47c | 3346 | /* Check for a second path that is currently UP */ |
3347 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
3348 | struct scsi_cmnd *scmd) | |
3349 | { | |
8f67c8c5 SS |
3350 | struct megasas_instance *peer_instance = NULL; |
3351 | int retval = (DID_RESET << 16); | |
3352 | ||
3353 | if (instance->peerIsPresent) { | |
3354 | peer_instance = megasas_get_peer_instance(instance); | |
3355 | if ((peer_instance) && | |
3356 | (atomic_read(&peer_instance->adprecovery) == | |
3357 | MEGASAS_HBA_OPERATIONAL)) | |
3358 | retval = (DID_NO_CONNECT << 16); | |
229fe47c | 3359 | } |
229fe47c | 3360 | return retval; |
3361 | } | |
3362 | ||
9c915a8c | 3363 | /* Core fusion reset function */ |
18365b13 | 3364 | int megasas_reset_fusion(struct Scsi_Host *shost, int reason) |
9c915a8c | 3365 | { |
79b82c2c | 3366 | int retval = SUCCESS, i, convert = 0; |
9c915a8c | 3367 | struct megasas_instance *instance; |
3368 | struct megasas_cmd_fusion *cmd_fusion; | |
3369 | struct fusion_context *fusion; | |
79b82c2c | 3370 | u32 abs_state, status_reg, reset_adapter; |
fc62b3fc | 3371 | u32 io_timeout_in_crash_mode = 0; |
4026e9aa | 3372 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 | 3373 | struct scsi_device *sdev; |
9c915a8c | 3374 | |
3375 | instance = (struct megasas_instance *)shost->hostdata; | |
3376 | fusion = instance->ctrl_context; | |
3377 | ||
229fe47c | 3378 | mutex_lock(&instance->reset_mutex); |
3379 | ||
8a01a41d | 3380 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 3381 | dev_warn(&instance->pdev->dev, "Hardware critical error, " |
229fe47c | 3382 | "returning FAILED for scsi%d.\n", |
3383 | instance->host->host_no); | |
a2fbcbc3 | 3384 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 3385 | return FAILED; |
9c915a8c | 3386 | } |
fc62b3fc SS |
3387 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); |
3388 | abs_state = status_reg & MFI_STATE_MASK; | |
3389 | ||
3390 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
3391 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
18365b13 SS |
3392 | instance->crash_dump_app_support && reason) { |
3393 | dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " | |
fc62b3fc | 3394 | "forcibly FAULT Firmware\n"); |
8a01a41d | 3395 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
fc62b3fc SS |
3396 | status_reg = readl(&instance->reg_set->doorbell); |
3397 | writel(status_reg | MFI_STATE_FORCE_OCR, | |
3398 | &instance->reg_set->doorbell); | |
3399 | readl(&instance->reg_set->doorbell); | |
3400 | mutex_unlock(&instance->reset_mutex); | |
3401 | do { | |
3402 | ssleep(3); | |
3403 | io_timeout_in_crash_mode++; | |
3404 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
3405 | "seconds for crash dump collection and OCR " | |
3406 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
8a01a41d | 3407 | } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && |
fc62b3fc SS |
3408 | (io_timeout_in_crash_mode < 80)); |
3409 | ||
8a01a41d | 3410 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
fc62b3fc SS |
3411 | dev_info(&instance->pdev->dev, "OCR done for IO " |
3412 | "timeout case\n"); | |
3413 | retval = SUCCESS; | |
3414 | } else { | |
3415 | dev_info(&instance->pdev->dev, "Controller is not " | |
3416 | "operational after 240 seconds wait for IO " | |
3417 | "timeout case in FW crash dump mode\n do " | |
3418 | "OCR/kill adapter\n"); | |
3419 | retval = megasas_reset_fusion(shost, 0); | |
3420 | } | |
3421 | return retval; | |
3422 | } | |
9c915a8c | 3423 | |
229fe47c | 3424 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
3425 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 3426 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
8a01a41d | 3427 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); |
d46a3ad6 | 3428 | instance->instancet->disable_intr(instance); |
7e70e733 | 3429 | msleep(1000); |
3430 | ||
9c915a8c | 3431 | /* First try waiting for commands to complete */ |
18365b13 | 3432 | if (megasas_wait_for_outstanding_fusion(instance, reason, |
229fe47c | 3433 | &convert)) { |
8a01a41d | 3434 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
1be18254 | 3435 | dev_warn(&instance->pdev->dev, "resetting fusion " |
229fe47c | 3436 | "adapter scsi%d.\n", instance->host->host_no); |
3437 | if (convert) | |
18365b13 | 3438 | reason = 0; |
229fe47c | 3439 | |
9c915a8c | 3440 | /* Now return commands back to the OS */ |
4026e9aa | 3441 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { |
9c915a8c | 3442 | cmd_fusion = fusion->cmd_list[i]; |
4026e9aa | 3443 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 3444 | if (cmd_fusion->scmd) { |
4026e9aa | 3445 | scmd_local->result = |
229fe47c | 3446 | megasas_check_mpio_paths(instance, |
4026e9aa | 3447 | scmd_local); |
308ec459 SS |
3448 | if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) |
3449 | atomic_dec(&instance->ldio_outstanding); | |
9c915a8c | 3450 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
3451 | scsi_dma_unmap(scmd_local); |
3452 | scmd_local->scsi_done(scmd_local); | |
9c915a8c | 3453 | atomic_dec(&instance->fw_outstanding); |
3454 | } | |
3455 | } | |
3456 | ||
7e70e733 | 3457 | status_reg = instance->instancet->read_fw_status_reg( |
3458 | instance->reg_set); | |
3459 | abs_state = status_reg & MFI_STATE_MASK; | |
3460 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
3461 | if (instance->disableOnlineCtrlReset || | |
3462 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c | 3463 | /* Reset not supported, kill adapter */ |
1be18254 | 3464 | dev_warn(&instance->pdev->dev, "Reset not supported" |
229fe47c | 3465 | ", killing adapter scsi%d.\n", |
3466 | instance->host->host_no); | |
9c915a8c | 3467 | megaraid_sas_kill_hba(instance); |
229fe47c | 3468 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c | 3469 | retval = FAILED; |
3470 | goto out; | |
3471 | } | |
3472 | ||
229fe47c | 3473 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
18365b13 | 3474 | if (instance->requestorId && !reason) { |
229fe47c | 3475 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); |
3885c26b | 3476 | goto transition_to_ready; |
229fe47c | 3477 | } |
3478 | ||
9c915a8c | 3479 | /* Now try to reset the chip */ |
3480 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
9c915a8c | 3481 | |
79b82c2c | 3482 | if (instance->instancet->adp_reset |
3483 | (instance, instance->reg_set)) | |
9c915a8c | 3484 | continue; |
3885c26b | 3485 | transition_to_ready: |
9c915a8c | 3486 | /* Wait for FW to become ready */ |
058a8fac | 3487 | if (megasas_transition_to_ready(instance, 1)) { |
3885c26b SS |
3488 | dev_warn(&instance->pdev->dev, |
3489 | "Failed to transition controller to ready for " | |
3490 | "scsi%d.\n", instance->host->host_no); | |
3491 | if (instance->requestorId && !reason) | |
3492 | goto fail_kill_adapter; | |
3493 | else | |
3494 | continue; | |
9c915a8c | 3495 | } |
9c915a8c | 3496 | megasas_reset_reply_desc(instance); |
308ec459 SS |
3497 | megasas_fusion_update_can_queue(instance, OCR_CONTEXT); |
3498 | ||
9c915a8c | 3499 | if (megasas_ioc_init_fusion(instance)) { |
1be18254 | 3500 | dev_warn(&instance->pdev->dev, |
3885c26b SS |
3501 | "megasas_ioc_init_fusion() failed! for " |
3502 | "scsi%d\n", instance->host->host_no); | |
3503 | if (instance->requestorId && !reason) | |
3504 | goto fail_kill_adapter; | |
3505 | else | |
3506 | continue; | |
9c915a8c | 3507 | } |
3508 | ||
9b828182 | 3509 | megasas_refire_mgmt_cmd(instance); |
9c915a8c | 3510 | |
d009b576 SS |
3511 | if (megasas_get_ctrl_info(instance)) { |
3512 | dev_info(&instance->pdev->dev, | |
3513 | "Failed from %s %d\n", | |
3514 | __func__, __LINE__); | |
d009b576 SS |
3515 | megaraid_sas_kill_hba(instance); |
3516 | retval = FAILED; | |
3517 | } | |
9c915a8c | 3518 | /* Reset load balance info */ |
3519 | memset(fusion->load_balance_info, 0, | |
3520 | sizeof(struct LD_LOAD_BALANCE_INFO) | |
51087a86 | 3521 | *MAX_LOGICAL_DRIVES_EXT); |
9c915a8c | 3522 | |
3523 | if (!megasas_get_map_info(instance)) | |
3524 | megasas_sync_map_info(instance); | |
3525 | ||
3761cb4c | 3526 | megasas_setup_jbod_map(instance); |
3527 | ||
18365b13 SS |
3528 | shost_for_each_device(sdev, shost) |
3529 | megasas_update_sdev_properties(sdev); | |
3530 | ||
ac340c5f SS |
3531 | clear_bit(MEGASAS_FUSION_IN_RESET, |
3532 | &instance->reset_flags); | |
3533 | instance->instancet->enable_intr(instance); | |
8a01a41d | 3534 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
ac340c5f | 3535 | |
229fe47c | 3536 | /* Restart SR-IOV heartbeat */ |
3537 | if (instance->requestorId) { | |
3538 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
3539 | megasas_start_timer(instance, | |
3540 | &instance->sriov_heartbeat_timer, | |
3541 | megasas_sriov_heartbeat_handler, | |
3542 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
3543 | else | |
3544 | instance->skip_heartbeat_timer_del = 1; | |
3545 | } | |
3546 | ||
9c915a8c | 3547 | /* Adapter reset completed successfully */ |
1be18254 | 3548 | dev_warn(&instance->pdev->dev, "Reset " |
229fe47c | 3549 | "successful for scsi%d.\n", |
3550 | instance->host->host_no); | |
fc62b3fc | 3551 | |
ac340c5f SS |
3552 | if (instance->crash_dump_drv_support && |
3553 | instance->crash_dump_app_support) | |
3554 | megasas_set_crash_dump_params(instance, | |
3555 | MR_CRASH_BUF_TURN_ON); | |
3556 | else | |
3557 | megasas_set_crash_dump_params(instance, | |
3558 | MR_CRASH_BUF_TURN_OFF); | |
3559 | ||
9c915a8c | 3560 | retval = SUCCESS; |
3561 | goto out; | |
3562 | } | |
3885c26b | 3563 | fail_kill_adapter: |
9c915a8c | 3564 | /* Reset failed, kill the adapter */ |
1be18254 | 3565 | dev_warn(&instance->pdev->dev, "Reset failed, killing " |
229fe47c | 3566 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 3567 | megaraid_sas_kill_hba(instance); |
229fe47c | 3568 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c | 3569 | retval = FAILED; |
3570 | } else { | |
229fe47c | 3571 | /* For VF: Restart HB timer if we didn't OCR */ |
3572 | if (instance->requestorId) { | |
3573 | megasas_start_timer(instance, | |
3574 | &instance->sriov_heartbeat_timer, | |
3575 | megasas_sriov_heartbeat_handler, | |
3576 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
3577 | } | |
3f0e58bc | 3578 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 3579 | instance->instancet->enable_intr(instance); |
8a01a41d | 3580 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
9c915a8c | 3581 | } |
3582 | out: | |
3583 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
3584 | mutex_unlock(&instance->reset_mutex); | |
3585 | return retval; | |
3586 | } | |
3587 | ||
fc62b3fc SS |
3588 | /* Fusion Crash dump collection work queue */ |
3589 | void megasas_fusion_crash_dump_wq(struct work_struct *work) | |
3590 | { | |
3591 | struct megasas_instance *instance = | |
3592 | container_of(work, struct megasas_instance, crash_init); | |
3593 | u32 status_reg; | |
3594 | u8 partial_copy = 0; | |
3595 | ||
3596 | ||
3597 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); | |
3598 | ||
3599 | /* | |
3600 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
3601 | * to host crash buffers | |
3602 | */ | |
3603 | if (instance->drv_buf_index == 0) { | |
3604 | /* Buffer is already allocated for old Crash dump. | |
3605 | * Do OCR and do not wait for crash dump collection | |
3606 | */ | |
3607 | if (instance->drv_buf_alloc) { | |
3608 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
3609 | "not yet copied by application, ignoring this " | |
3610 | "crash dump and initiating OCR\n"); | |
3611 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
3612 | writel(status_reg, | |
3613 | &instance->reg_set->outbound_scratch_pad); | |
3614 | readl(&instance->reg_set->outbound_scratch_pad); | |
3615 | return; | |
3616 | } | |
3617 | megasas_alloc_host_crash_buffer(instance); | |
3618 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
3619 | "allocated: %d\n", instance->drv_buf_alloc); | |
3620 | } | |
3621 | ||
3622 | /* | |
3623 | * Driver has allocated max buffers, which can be allocated | |
3624 | * and FW has more crash dump data, then driver will | |
3625 | * ignore the data. | |
3626 | */ | |
3627 | if (instance->drv_buf_index >= (instance->drv_buf_alloc)) { | |
3628 | dev_info(&instance->pdev->dev, "Driver is done copying " | |
3629 | "the buffer: %d\n", instance->drv_buf_alloc); | |
3630 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
3631 | partial_copy = 1; | |
3632 | } else { | |
3633 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
3634 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
3635 | instance->drv_buf_index++; | |
3636 | status_reg &= ~MFI_STATE_DMADONE; | |
3637 | } | |
3638 | ||
3639 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
3640 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
3641 | "of copied buffers: %d\n", instance->drv_buf_index); | |
3642 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
3643 | instance->fw_crash_state = AVAILABLE; | |
3644 | instance->drv_buf_index = 0; | |
3645 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
3646 | readl(&instance->reg_set->outbound_scratch_pad); | |
3647 | if (!partial_copy) | |
3648 | megasas_reset_fusion(instance->host, 0); | |
3649 | } else { | |
3650 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
3651 | readl(&instance->reg_set->outbound_scratch_pad); | |
3652 | } | |
3653 | } | |
3654 | ||
3655 | ||
9c915a8c | 3656 | /* Fusion OCR work queue */ |
3657 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
3658 | { | |
3659 | struct megasas_instance *instance = | |
3660 | container_of(work, struct megasas_instance, work_init); | |
3661 | ||
229fe47c | 3662 | megasas_reset_fusion(instance->host, 0); |
9c915a8c | 3663 | } |
3664 | ||
3665 | struct megasas_instance_template megasas_instance_template_fusion = { | |
9c915a8c | 3666 | .enable_intr = megasas_enable_intr_fusion, |
3667 | .disable_intr = megasas_disable_intr_fusion, | |
3668 | .clear_intr = megasas_clear_intr_fusion, | |
3669 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
3670 | .adp_reset = megasas_adp_reset_fusion, | |
3671 | .check_reset = megasas_check_reset_fusion, | |
3672 | .service_isr = megasas_isr_fusion, | |
3673 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
3674 | .init_adapter = megasas_init_adapter_fusion, | |
3675 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
3676 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
3677 | }; |