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9c915a8c AR |
1 | /* |
2 | * Linux MegaRAID driver for SAS based RAID controllers | |
3 | * | |
e399065b SS |
4 | * Copyright (c) 2009-2013 LSI Corporation |
5 | * Copyright (c) 2013-2014 Avago Technologies | |
9c915a8c AR |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
e399065b | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
9c915a8c AR |
19 | * |
20 | * FILE: megaraid_sas_fusion.c | |
21 | * | |
e399065b | 22 | * Authors: Avago Technologies |
9c915a8c | 23 | * Sumant Patro |
e399065b SS |
24 | * Adam Radford |
25 | * Kashyap Desai <kashyap.desai@avagotech.com> | |
26 | * Sumit Saxena <sumit.saxena@avagotech.com> | |
9c915a8c | 27 | * |
e399065b | 28 | * Send feedback to: megaraidlinux.pdl@avagotech.com |
9c915a8c | 29 | * |
e399065b SS |
30 | * Mail to: Avago Technologies, 350 West Trimble Road, Building 90, |
31 | * San Jose, California 95131 | |
9c915a8c AR |
32 | */ |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/types.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/list.h> | |
38 | #include <linux/moduleparam.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/interrupt.h> | |
42 | #include <linux/delay.h> | |
9c915a8c AR |
43 | #include <linux/uio.h> |
44 | #include <linux/uaccess.h> | |
45 | #include <linux/fs.h> | |
46 | #include <linux/compat.h> | |
47 | #include <linux/blkdev.h> | |
48 | #include <linux/mutex.h> | |
49 | #include <linux/poll.h> | |
50 | ||
51 | #include <scsi/scsi.h> | |
52 | #include <scsi/scsi_cmnd.h> | |
53 | #include <scsi/scsi_device.h> | |
54 | #include <scsi/scsi_host.h> | |
90dc9d98 | 55 | #include <scsi/scsi_dbg.h> |
5765c5b8 | 56 | #include <linux/dmi.h> |
9c915a8c AR |
57 | |
58 | #include "megaraid_sas_fusion.h" | |
59 | #include "megaraid_sas.h" | |
60 | ||
4026e9aa | 61 | |
9c915a8c AR |
62 | extern void megasas_free_cmds(struct megasas_instance *instance); |
63 | extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance | |
64 | *instance); | |
65 | extern void | |
66 | megasas_complete_cmd(struct megasas_instance *instance, | |
67 | struct megasas_cmd *cmd, u8 alt_status); | |
9c915a8c | 68 | int |
229fe47c AR |
69 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
70 | int seconds); | |
9c915a8c AR |
71 | |
72 | void | |
73 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd); | |
74 | int megasas_alloc_cmds(struct megasas_instance *instance); | |
75 | int | |
76 | megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs); | |
77 | int | |
78 | megasas_issue_polled(struct megasas_instance *instance, | |
79 | struct megasas_cmd *cmd); | |
53ef2bbd AR |
80 | void |
81 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance); | |
82 | ||
058a8fac | 83 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
9c915a8c AR |
84 | void megaraid_sas_kill_hba(struct megasas_instance *instance); |
85 | ||
86 | extern u32 megasas_dbg_lvl; | |
229fe47c AR |
87 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr); |
88 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
89 | int initial); | |
90 | void megasas_start_timer(struct megasas_instance *instance, | |
91 | struct timer_list *timer, | |
92 | void *fn, unsigned long interval); | |
93 | extern struct megasas_mgmt_info megasas_mgmt_info; | |
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 AR |
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 AR |
112 | /* For Thunderbolt/Invader also clear intr on enable */ |
113 | writel(~0, ®s->outbound_intr_status); | |
114 | readl(®s->outbound_intr_status); | |
115 | ||
9c915a8c AR |
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 AR |
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 AR |
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 AR |
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 AR |
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 AR |
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 | ||
c3e385a1 SS |
260 | if (reset_devices) |
261 | instance->max_fw_cmds = min(instance->max_fw_cmds, | |
262 | (u16)MEGASAS_KDUMP_QUEUE_DEPTH); | |
308ec459 SS |
263 | /* |
264 | * Reduce the max supported cmds by 1. This is to ensure that the | |
265 | * reply_q_sz (1 more than the max cmd that driver may send) | |
266 | * does not exceed max cmds that the FW can support | |
267 | */ | |
268 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
269 | ||
270 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
271 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
272 | MEGASAS_FUSION_IOCTL_CMDS); | |
273 | instance->cur_can_queue = instance->max_scsi_cmds; | |
274 | } | |
275 | } | |
9c915a8c | 276 | /** |
179ac142 SS |
277 | * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool |
278 | * @instance: Adapter soft state | |
9c915a8c | 279 | */ |
179ac142 SS |
280 | void |
281 | megasas_free_cmds_fusion(struct megasas_instance *instance) | |
9c915a8c AR |
282 | { |
283 | int i; | |
284 | struct fusion_context *fusion = instance->ctrl_context; | |
9c915a8c AR |
285 | struct megasas_cmd_fusion *cmd; |
286 | ||
179ac142 SS |
287 | /* SG, Sense */ |
288 | for (i = 0; i < instance->max_fw_cmds; i++) { | |
9c915a8c | 289 | cmd = fusion->cmd_list[i]; |
179ac142 SS |
290 | if (cmd) { |
291 | if (cmd->sg_frame) | |
292 | pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, | |
9c915a8c | 293 | cmd->sg_frame_phys_addr); |
179ac142 SS |
294 | if (cmd->sense) |
295 | pci_pool_free(fusion->sense_dma_pool, cmd->sense, | |
9c915a8c | 296 | cmd->sense_phys_addr); |
179ac142 | 297 | } |
9c915a8c AR |
298 | } |
299 | ||
179ac142 SS |
300 | if (fusion->sg_dma_pool) { |
301 | pci_pool_destroy(fusion->sg_dma_pool); | |
302 | fusion->sg_dma_pool = NULL; | |
303 | } | |
304 | if (fusion->sense_dma_pool) { | |
305 | pci_pool_destroy(fusion->sense_dma_pool); | |
306 | fusion->sense_dma_pool = NULL; | |
307 | } | |
9c915a8c | 308 | |
9c915a8c | 309 | |
179ac142 SS |
310 | /* Reply Frame, Desc*/ |
311 | if (instance->is_rdpq) | |
312 | megasas_free_rdpq_fusion(instance); | |
313 | else | |
314 | megasas_free_reply_fusion(instance); | |
9c915a8c | 315 | |
179ac142 | 316 | /* Request Frame, Desc*/ |
9c915a8c | 317 | if (fusion->req_frames_desc) |
179ac142 SS |
318 | dma_free_coherent(&instance->pdev->dev, |
319 | fusion->request_alloc_sz, fusion->req_frames_desc, | |
320 | fusion->req_frames_desc_phys); | |
321 | if (fusion->io_request_frames) | |
9c915a8c | 322 | pci_pool_free(fusion->io_request_frames_pool, |
179ac142 SS |
323 | fusion->io_request_frames, |
324 | fusion->io_request_frames_phys); | |
325 | if (fusion->io_request_frames_pool) { | |
9c915a8c | 326 | pci_pool_destroy(fusion->io_request_frames_pool); |
179ac142 | 327 | fusion->io_request_frames_pool = NULL; |
9c915a8c AR |
328 | } |
329 | ||
9c915a8c | 330 | |
179ac142 SS |
331 | /* cmd_list */ |
332 | for (i = 0; i < instance->max_fw_cmds; i++) | |
9c915a8c AR |
333 | kfree(fusion->cmd_list[i]); |
334 | ||
9c915a8c | 335 | kfree(fusion->cmd_list); |
9c915a8c AR |
336 | } |
337 | ||
338 | /** | |
179ac142 | 339 | * megasas_create_sg_sense_fusion - Creates DMA pool for cmd frames |
9c915a8c AR |
340 | * @instance: Adapter soft state |
341 | * | |
342 | */ | |
179ac142 | 343 | static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) |
9c915a8c AR |
344 | { |
345 | int i; | |
346 | u32 max_cmd; | |
347 | struct fusion_context *fusion; | |
348 | struct megasas_cmd_fusion *cmd; | |
9c915a8c AR |
349 | |
350 | fusion = instance->ctrl_context; | |
351 | max_cmd = instance->max_fw_cmds; | |
352 | ||
9c915a8c | 353 | |
179ac142 SS |
354 | fusion->sg_dma_pool = |
355 | pci_pool_create("mr_sg", instance->pdev, | |
356 | instance->max_chain_frame_sz, 4, 0); | |
357 | /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ | |
358 | fusion->sense_dma_pool = | |
359 | pci_pool_create("mr_sense", instance->pdev, | |
360 | SCSI_SENSE_BUFFERSIZE, 64, 0); | |
9c915a8c | 361 | |
179ac142 SS |
362 | if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { |
363 | dev_err(&instance->pdev->dev, | |
364 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c AR |
365 | return -ENOMEM; |
366 | } | |
367 | ||
368 | /* | |
369 | * Allocate and attach a frame to each of the commands in cmd_list | |
370 | */ | |
371 | for (i = 0; i < max_cmd; i++) { | |
9c915a8c | 372 | cmd = fusion->cmd_list[i]; |
9c915a8c | 373 | cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, |
179ac142 | 374 | GFP_KERNEL, &cmd->sg_frame_phys_addr); |
9c915a8c AR |
375 | |
376 | cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, | |
179ac142 | 377 | GFP_KERNEL, &cmd->sense_phys_addr); |
9c915a8c | 378 | if (!cmd->sg_frame || !cmd->sense) { |
179ac142 SS |
379 | dev_err(&instance->pdev->dev, |
380 | "Failed from %s %d\n", __func__, __LINE__); | |
9c915a8c AR |
381 | return -ENOMEM; |
382 | } | |
383 | } | |
384 | return 0; | |
385 | } | |
386 | ||
9c915a8c | 387 | int |
179ac142 | 388 | megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) |
9c915a8c | 389 | { |
179ac142 | 390 | u32 max_cmd, i; |
9c915a8c | 391 | struct fusion_context *fusion; |
9c915a8c AR |
392 | |
393 | fusion = instance->ctrl_context; | |
394 | ||
395 | max_cmd = instance->max_fw_cmds; | |
396 | ||
179ac142 SS |
397 | /* |
398 | * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. | |
399 | * Allocate the dynamic array first and then allocate individual | |
400 | * commands. | |
401 | */ | |
402 | fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) * max_cmd, | |
403 | GFP_KERNEL); | |
404 | if (!fusion->cmd_list) { | |
405 | dev_err(&instance->pdev->dev, | |
406 | "Failed from %s %d\n", __func__, __LINE__); | |
407 | return -ENOMEM; | |
408 | } | |
409 | ||
410 | for (i = 0; i < max_cmd; i++) { | |
411 | fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), | |
412 | GFP_KERNEL); | |
413 | if (!fusion->cmd_list[i]) { | |
414 | dev_err(&instance->pdev->dev, | |
415 | "Failed from %s %d\n", __func__, __LINE__); | |
416 | return -ENOMEM; | |
417 | } | |
418 | } | |
419 | return 0; | |
420 | } | |
421 | int | |
422 | megasas_alloc_request_fusion(struct megasas_instance *instance) | |
423 | { | |
424 | struct fusion_context *fusion; | |
425 | ||
426 | fusion = instance->ctrl_context; | |
427 | ||
9c915a8c AR |
428 | fusion->req_frames_desc = |
429 | dma_alloc_coherent(&instance->pdev->dev, | |
179ac142 SS |
430 | fusion->request_alloc_sz, |
431 | &fusion->req_frames_desc_phys, GFP_KERNEL); | |
9c915a8c | 432 | if (!fusion->req_frames_desc) { |
179ac142 SS |
433 | dev_err(&instance->pdev->dev, |
434 | "Failed from %s %d\n", __func__, __LINE__); | |
435 | return -ENOMEM; | |
9c915a8c AR |
436 | } |
437 | ||
179ac142 SS |
438 | fusion->io_request_frames_pool = |
439 | pci_pool_create("mr_ioreq", instance->pdev, | |
440 | fusion->io_frames_alloc_sz, 16, 0); | |
441 | ||
442 | if (!fusion->io_request_frames_pool) { | |
443 | dev_err(&instance->pdev->dev, | |
444 | "Failed from %s %d\n", __func__, __LINE__); | |
445 | return -ENOMEM; | |
446 | } | |
447 | ||
448 | fusion->io_request_frames = | |
449 | pci_pool_alloc(fusion->io_request_frames_pool, | |
450 | GFP_KERNEL, &fusion->io_request_frames_phys); | |
451 | if (!fusion->io_request_frames) { | |
452 | dev_err(&instance->pdev->dev, | |
453 | "Failed from %s %d\n", __func__, __LINE__); | |
454 | return -ENOMEM; | |
455 | } | |
456 | return 0; | |
457 | } | |
458 | ||
459 | int | |
460 | megasas_alloc_reply_fusion(struct megasas_instance *instance) | |
461 | { | |
462 | int i, count; | |
463 | struct fusion_context *fusion; | |
464 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
465 | fusion = instance->ctrl_context; | |
466 | ||
c8e858fe | 467 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
9c915a8c | 468 | fusion->reply_frames_desc_pool = |
179ac142 | 469 | pci_pool_create("mr_reply", instance->pdev, |
c8e858fe | 470 | fusion->reply_alloc_sz * count, 16, 0); |
9c915a8c AR |
471 | |
472 | if (!fusion->reply_frames_desc_pool) { | |
179ac142 SS |
473 | dev_err(&instance->pdev->dev, |
474 | "Failed from %s %d\n", __func__, __LINE__); | |
475 | return -ENOMEM; | |
9c915a8c AR |
476 | } |
477 | ||
179ac142 SS |
478 | fusion->reply_frames_desc[0] = |
479 | pci_pool_alloc(fusion->reply_frames_desc_pool, | |
480 | GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); | |
481 | if (!fusion->reply_frames_desc[0]) { | |
482 | dev_err(&instance->pdev->dev, | |
483 | "Failed from %s %d\n", __func__, __LINE__); | |
484 | return -ENOMEM; | |
9c915a8c | 485 | } |
179ac142 | 486 | reply_desc = fusion->reply_frames_desc[0]; |
c8e858fe | 487 | for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) |
c6f5bf81 | 488 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 489 | |
179ac142 SS |
490 | /* This is not a rdpq mode, but driver still populate |
491 | * reply_frame_desc array to use same msix index in ISR path. | |
492 | */ | |
493 | for (i = 0; i < (count - 1); i++) | |
494 | fusion->reply_frames_desc[i + 1] = | |
495 | fusion->reply_frames_desc[i] + | |
496 | (fusion->reply_alloc_sz)/sizeof(union MPI2_REPLY_DESCRIPTORS_UNION); | |
9c915a8c | 497 | |
179ac142 SS |
498 | return 0; |
499 | } | |
9c915a8c | 500 | |
179ac142 SS |
501 | int |
502 | megasas_alloc_rdpq_fusion(struct megasas_instance *instance) | |
503 | { | |
504 | int i, j, count; | |
505 | struct fusion_context *fusion; | |
506 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
507 | ||
508 | fusion = instance->ctrl_context; | |
509 | ||
510 | fusion->rdpq_virt = pci_alloc_consistent(instance->pdev, | |
511 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, | |
512 | &fusion->rdpq_phys); | |
513 | if (!fusion->rdpq_virt) { | |
514 | dev_err(&instance->pdev->dev, | |
515 | "Failed from %s %d\n", __func__, __LINE__); | |
516 | return -ENOMEM; | |
9c915a8c AR |
517 | } |
518 | ||
179ac142 SS |
519 | memset(fusion->rdpq_virt, 0, |
520 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION); | |
521 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
522 | fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq", | |
523 | instance->pdev, fusion->reply_alloc_sz, 16, 0); | |
524 | ||
525 | if (!fusion->reply_frames_desc_pool) { | |
526 | dev_err(&instance->pdev->dev, | |
527 | "Failed from %s %d\n", __func__, __LINE__); | |
528 | return -ENOMEM; | |
9c915a8c AR |
529 | } |
530 | ||
179ac142 SS |
531 | for (i = 0; i < count; i++) { |
532 | fusion->reply_frames_desc[i] = | |
533 | pci_pool_alloc(fusion->reply_frames_desc_pool, | |
534 | GFP_KERNEL, &fusion->reply_frames_desc_phys[i]); | |
535 | if (!fusion->reply_frames_desc[i]) { | |
536 | dev_err(&instance->pdev->dev, | |
537 | "Failed from %s %d\n", __func__, __LINE__); | |
538 | return -ENOMEM; | |
539 | } | |
9c915a8c | 540 | |
179ac142 SS |
541 | fusion->rdpq_virt[i].RDPQBaseAddress = |
542 | fusion->reply_frames_desc_phys[i]; | |
543 | ||
544 | reply_desc = fusion->reply_frames_desc[i]; | |
545 | for (j = 0; j < fusion->reply_q_depth; j++, reply_desc++) | |
546 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
9c915a8c | 547 | } |
179ac142 SS |
548 | return 0; |
549 | } | |
9c915a8c | 550 | |
179ac142 SS |
551 | static void |
552 | megasas_free_rdpq_fusion(struct megasas_instance *instance) { | |
9c915a8c | 553 | |
179ac142 SS |
554 | int i; |
555 | struct fusion_context *fusion; | |
9c915a8c | 556 | |
179ac142 SS |
557 | fusion = instance->ctrl_context; |
558 | ||
559 | for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) { | |
560 | if (fusion->reply_frames_desc[i]) | |
561 | pci_pool_free(fusion->reply_frames_desc_pool, | |
562 | fusion->reply_frames_desc[i], | |
563 | fusion->reply_frames_desc_phys[i]); | |
9c915a8c AR |
564 | } |
565 | ||
179ac142 SS |
566 | if (fusion->reply_frames_desc_pool) |
567 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
568 | ||
569 | if (fusion->rdpq_virt) | |
570 | pci_free_consistent(instance->pdev, | |
571 | sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, | |
572 | fusion->rdpq_virt, fusion->rdpq_phys); | |
573 | } | |
574 | ||
575 | static void | |
576 | megasas_free_reply_fusion(struct megasas_instance *instance) { | |
577 | ||
578 | struct fusion_context *fusion; | |
579 | ||
580 | fusion = instance->ctrl_context; | |
581 | ||
582 | if (fusion->reply_frames_desc[0]) | |
583 | pci_pool_free(fusion->reply_frames_desc_pool, | |
584 | fusion->reply_frames_desc[0], | |
585 | fusion->reply_frames_desc_phys[0]); | |
586 | ||
587 | if (fusion->reply_frames_desc_pool) | |
588 | pci_pool_destroy(fusion->reply_frames_desc_pool); | |
589 | ||
590 | } | |
591 | ||
592 | ||
593 | /** | |
594 | * megasas_alloc_cmds_fusion - Allocates the command packets | |
595 | * @instance: Adapter soft state | |
596 | * | |
597 | * | |
598 | * Each frame has a 32-bit field called context. This context is used to get | |
599 | * back the megasas_cmd_fusion from the frame when a frame gets completed | |
600 | * In this driver, the 32 bit values are the indices into an array cmd_list. | |
601 | * This array is used only to look up the megasas_cmd_fusion given the context. | |
602 | * The free commands themselves are maintained in a linked list called cmd_pool. | |
603 | * | |
604 | * cmds are formed in the io_request and sg_frame members of the | |
605 | * megasas_cmd_fusion. The context field is used to get a request descriptor | |
606 | * and is used as SMID of the cmd. | |
607 | * SMID value range is from 1 to max_fw_cmds. | |
608 | */ | |
609 | int | |
610 | megasas_alloc_cmds_fusion(struct megasas_instance *instance) | |
611 | { | |
612 | int i; | |
613 | struct fusion_context *fusion; | |
614 | struct megasas_cmd_fusion *cmd; | |
615 | u32 offset; | |
616 | dma_addr_t io_req_base_phys; | |
617 | u8 *io_req_base; | |
618 | ||
619 | ||
620 | fusion = instance->ctrl_context; | |
621 | ||
622 | if (megasas_alloc_cmdlist_fusion(instance)) | |
623 | goto fail_exit; | |
624 | ||
625 | if (megasas_alloc_request_fusion(instance)) | |
626 | goto fail_exit; | |
627 | ||
628 | if (instance->is_rdpq) { | |
629 | if (megasas_alloc_rdpq_fusion(instance)) | |
630 | goto fail_exit; | |
631 | } else | |
632 | if (megasas_alloc_reply_fusion(instance)) | |
633 | goto fail_exit; | |
634 | ||
635 | ||
636 | /* The first 256 bytes (SMID 0) is not used. Don't add to the cmd list */ | |
637 | io_req_base = fusion->io_request_frames + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
638 | io_req_base_phys = fusion->io_request_frames_phys + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; | |
9c915a8c AR |
639 | |
640 | /* | |
641 | * Add all the commands to command pool (fusion->cmd_pool) | |
642 | */ | |
643 | ||
644 | /* SMID 0 is reserved. Set SMID/index from 1 */ | |
179ac142 | 645 | for (i = 0; i < instance->max_fw_cmds; i++) { |
9c915a8c AR |
646 | cmd = fusion->cmd_list[i]; |
647 | offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; | |
648 | memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); | |
649 | cmd->index = i + 1; | |
650 | cmd->scmd = NULL; | |
4026e9aa SS |
651 | cmd->sync_cmd_idx = (i >= instance->max_scsi_cmds) ? |
652 | (i - instance->max_scsi_cmds) : | |
653 | (u32)ULONG_MAX; /* Set to Invalid */ | |
9c915a8c AR |
654 | cmd->instance = instance; |
655 | cmd->io_request = | |
656 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
657 | (io_req_base + offset); | |
658 | memset(cmd->io_request, 0, | |
659 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
660 | cmd->io_request_phys_addr = io_req_base_phys + offset; | |
9c915a8c AR |
661 | } |
662 | ||
179ac142 SS |
663 | if (megasas_create_sg_sense_fusion(instance)) |
664 | goto fail_exit; | |
9c915a8c AR |
665 | |
666 | return 0; | |
667 | ||
179ac142 SS |
668 | fail_exit: |
669 | megasas_free_cmds_fusion(instance); | |
9c915a8c AR |
670 | return -ENOMEM; |
671 | } | |
672 | ||
673 | /** | |
674 | * wait_and_poll - Issues a polling command | |
675 | * @instance: Adapter soft state | |
676 | * @cmd: Command packet to be issued | |
677 | * | |
678 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
679 | */ | |
680 | int | |
229fe47c AR |
681 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
682 | int seconds) | |
9c915a8c AR |
683 | { |
684 | int i; | |
685 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
90dc9d98 | 686 | struct fusion_context *fusion; |
9c915a8c | 687 | |
229fe47c | 688 | u32 msecs = seconds * 1000; |
9c915a8c | 689 | |
90dc9d98 | 690 | fusion = instance->ctrl_context; |
9c915a8c AR |
691 | /* |
692 | * Wait for cmd_status to change | |
693 | */ | |
694 | for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) { | |
695 | rmb(); | |
696 | msleep(20); | |
697 | } | |
698 | ||
6d40afbc SS |
699 | if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS) |
700 | return DCMD_TIMEOUT; | |
701 | else if (frame_hdr->cmd_status == MFI_STAT_OK) | |
702 | return DCMD_SUCCESS; | |
703 | else | |
704 | return DCMD_FAILED; | |
9c915a8c AR |
705 | } |
706 | ||
707 | /** | |
708 | * megasas_ioc_init_fusion - Initializes the FW | |
709 | * @instance: Adapter soft state | |
710 | * | |
711 | * Issues the IOC Init cmd | |
712 | */ | |
713 | int | |
714 | megasas_ioc_init_fusion(struct megasas_instance *instance) | |
715 | { | |
716 | struct megasas_init_frame *init_frame; | |
179ac142 | 717 | struct MPI2_IOC_INIT_REQUEST *IOCInitMessage = NULL; |
9c915a8c | 718 | dma_addr_t ioc_init_handle; |
9c915a8c | 719 | struct megasas_cmd *cmd; |
179ac142 | 720 | u8 ret, cur_rdpq_mode; |
9c915a8c | 721 | struct fusion_context *fusion; |
c77a9bd8 | 722 | union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; |
9c915a8c AR |
723 | int i; |
724 | struct megasas_header *frame_hdr; | |
5765c5b8 | 725 | const char *sys_info; |
4dbbe3ce | 726 | MFI_CAPABILITIES *drv_ops; |
179ac142 | 727 | u32 scratch_pad_2; |
9c915a8c AR |
728 | |
729 | fusion = instance->ctrl_context; | |
730 | ||
731 | cmd = megasas_get_cmd(instance); | |
732 | ||
733 | if (!cmd) { | |
1be18254 | 734 | dev_err(&instance->pdev->dev, "Could not allocate cmd for INIT Frame\n"); |
9c915a8c AR |
735 | ret = 1; |
736 | goto fail_get_cmd; | |
737 | } | |
738 | ||
179ac142 SS |
739 | scratch_pad_2 = readl |
740 | (&instance->reg_set->outbound_scratch_pad_2); | |
741 | ||
742 | cur_rdpq_mode = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? 1 : 0; | |
743 | ||
744 | if (instance->is_rdpq && !cur_rdpq_mode) { | |
745 | dev_err(&instance->pdev->dev, "Firmware downgrade *NOT SUPPORTED*" | |
746 | " from RDPQ mode to non RDPQ mode\n"); | |
747 | ret = 1; | |
748 | goto fail_fw_init; | |
749 | } | |
750 | ||
9c915a8c AR |
751 | IOCInitMessage = |
752 | dma_alloc_coherent(&instance->pdev->dev, | |
753 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
754 | &ioc_init_handle, GFP_KERNEL); | |
755 | ||
756 | if (!IOCInitMessage) { | |
1be18254 | 757 | dev_err(&instance->pdev->dev, "Could not allocate memory for " |
9c915a8c AR |
758 | "IOCInitMessage\n"); |
759 | ret = 1; | |
760 | goto fail_fw_init; | |
761 | } | |
762 | ||
763 | memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); | |
764 | ||
765 | IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; | |
766 | IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER; | |
94cd65dd SS |
767 | IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION); |
768 | IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); | |
769 | IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); | |
770 | ||
771 | IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); | |
179ac142 SS |
772 | IOCInitMessage->ReplyDescriptorPostQueueAddress = instance->is_rdpq ? |
773 | cpu_to_le64(fusion->rdpq_phys) : | |
774 | cpu_to_le64(fusion->reply_frames_desc_phys[0]); | |
775 | IOCInitMessage->MsgFlags = instance->is_rdpq ? | |
776 | MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE : 0; | |
94cd65dd | 777 | IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); |
5738f996 | 778 | IOCInitMessage->HostMSIxVectors = instance->msix_vectors; |
9c915a8c AR |
779 | init_frame = (struct megasas_init_frame *)cmd->frame; |
780 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
781 | ||
782 | frame_hdr = &cmd->frame->hdr; | |
9c915a8c | 783 | frame_hdr->cmd_status = 0xFF; |
48433bd7 CH |
784 | frame_hdr->flags = cpu_to_le16( |
785 | le16_to_cpu(frame_hdr->flags) | | |
786 | MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); | |
9c915a8c AR |
787 | |
788 | init_frame->cmd = MFI_CMD_INIT; | |
789 | init_frame->cmd_status = 0xFF; | |
790 | ||
4dbbe3ce | 791 | drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations); |
792 | ||
d46a3ad6 | 793 | /* driver support Extended MSIX */ |
5a8cb85b | 794 | if (fusion->adapter_type == INVADER_SERIES) |
4dbbe3ce | 795 | drv_ops->mfi_capabilities.support_additional_msix = 1; |
21c9e160 | 796 | /* driver supports HA / Remote LUN over Fast Path interface */ |
4dbbe3ce | 797 | drv_ops->mfi_capabilities.support_fp_remote_lun = 1; |
798 | ||
799 | drv_ops->mfi_capabilities.support_max_255lds = 1; | |
800 | drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1; | |
801 | drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1; | |
802 | ||
bd5f9484 | 803 | if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN) |
804 | drv_ops->mfi_capabilities.support_ext_io_size = 1; | |
805 | ||
8f05024c | 806 | drv_ops->mfi_capabilities.support_fp_rlbypass = 1; |
308ec459 SS |
807 | if (!dual_qdepth_disable) |
808 | drv_ops->mfi_capabilities.support_ext_queue_depth = 1; | |
8f05024c | 809 | |
52b62ac7 | 810 | drv_ops->mfi_capabilities.support_qd_throttling = 1; |
94cd65dd SS |
811 | /* Convert capability to LE32 */ |
812 | cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); | |
21c9e160 | 813 | |
5765c5b8 SS |
814 | sys_info = dmi_get_system_info(DMI_PRODUCT_UUID); |
815 | if (instance->system_info_buf && sys_info) { | |
816 | memcpy(instance->system_info_buf->systemId, sys_info, | |
817 | strlen(sys_info) > 64 ? 64 : strlen(sys_info)); | |
818 | instance->system_info_buf->systemIdLength = | |
819 | strlen(sys_info) > 64 ? 64 : strlen(sys_info); | |
820 | init_frame->system_info_lo = instance->system_info_h; | |
821 | init_frame->system_info_hi = 0; | |
822 | } | |
823 | ||
fdc5a97c HR |
824 | init_frame->queue_info_new_phys_addr_hi = |
825 | cpu_to_le32(upper_32_bits(ioc_init_handle)); | |
826 | init_frame->queue_info_new_phys_addr_lo = | |
827 | cpu_to_le32(lower_32_bits(ioc_init_handle)); | |
94cd65dd | 828 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); |
9c915a8c | 829 | |
200aed58 SS |
830 | req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); |
831 | req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); | |
c77a9bd8 | 832 | req_desc.MFAIo.RequestFlags = |
9c915a8c | 833 | (MEGASAS_REQ_DESCRIPT_FLAGS_MFA << |
200aed58 | 834 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c AR |
835 | |
836 | /* | |
837 | * disable the intr before firing the init frame | |
838 | */ | |
d46a3ad6 | 839 | instance->instancet->disable_intr(instance); |
9c915a8c AR |
840 | |
841 | for (i = 0; i < (10 * 1000); i += 20) { | |
842 | if (readl(&instance->reg_set->doorbell) & 1) | |
843 | msleep(20); | |
844 | else | |
845 | break; | |
846 | } | |
847 | ||
01d7f03b | 848 | megasas_fire_cmd_fusion(instance, &req_desc); |
9c915a8c | 849 | |
229fe47c | 850 | wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); |
9c915a8c AR |
851 | |
852 | frame_hdr = &cmd->frame->hdr; | |
853 | if (frame_hdr->cmd_status != 0) { | |
854 | ret = 1; | |
855 | goto fail_fw_init; | |
856 | } | |
13f30771 | 857 | dev_info(&instance->pdev->dev, "Init cmd success\n"); |
9c915a8c AR |
858 | |
859 | ret = 0; | |
860 | ||
861 | fail_fw_init: | |
862 | megasas_return_cmd(instance, cmd); | |
863 | if (IOCInitMessage) | |
864 | dma_free_coherent(&instance->pdev->dev, | |
865 | sizeof(struct MPI2_IOC_INIT_REQUEST), | |
866 | IOCInitMessage, ioc_init_handle); | |
867 | fail_get_cmd: | |
868 | return ret; | |
869 | } | |
870 | ||
3761cb4c | 871 | /** |
872 | * megasas_sync_pd_seq_num - JBOD SEQ MAP | |
873 | * @instance: Adapter soft state | |
874 | * @pend: set to 1, if it is pended jbod map. | |
875 | * | |
876 | * Issue Jbod map to the firmware. If it is pended command, | |
877 | * issue command and return. If it is first instance of jbod map | |
878 | * issue and receive command. | |
879 | */ | |
880 | int | |
881 | megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { | |
882 | int ret = 0; | |
883 | u32 pd_seq_map_sz; | |
884 | struct megasas_cmd *cmd; | |
885 | struct megasas_dcmd_frame *dcmd; | |
886 | struct fusion_context *fusion = instance->ctrl_context; | |
887 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
888 | dma_addr_t pd_seq_h; | |
889 | ||
890 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)]; | |
891 | pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)]; | |
892 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + | |
893 | (sizeof(struct MR_PD_CFG_SEQ) * | |
894 | (MAX_PHYSICAL_DEVICES - 1)); | |
895 | ||
896 | cmd = megasas_get_cmd(instance); | |
897 | if (!cmd) { | |
898 | dev_err(&instance->pdev->dev, | |
899 | "Could not get mfi cmd. Fail from %s %d\n", | |
900 | __func__, __LINE__); | |
901 | return -ENOMEM; | |
902 | } | |
903 | ||
904 | dcmd = &cmd->frame->dcmd; | |
905 | ||
906 | memset(pd_sync, 0, pd_seq_map_sz); | |
907 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
908 | dcmd->cmd = MFI_CMD_DCMD; | |
909 | dcmd->cmd_status = 0xFF; | |
910 | dcmd->sge_count = 1; | |
911 | dcmd->timeout = 0; | |
912 | dcmd->pad_0 = 0; | |
913 | dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz); | |
914 | dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO); | |
915 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(pd_seq_h); | |
916 | dcmd->sgl.sge32[0].length = cpu_to_le32(pd_seq_map_sz); | |
917 | ||
918 | if (pend) { | |
919 | dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
920 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); | |
921 | instance->jbod_seq_cmd = cmd; | |
922 | instance->instancet->issue_dcmd(instance, cmd); | |
923 | return 0; | |
924 | } | |
925 | ||
926 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); | |
927 | ||
928 | /* Below code is only for non pended DCMD */ | |
929 | if (instance->ctrl_context && !instance->mask_interrupts) | |
6d40afbc SS |
930 | ret = megasas_issue_blocked_cmd(instance, cmd, |
931 | MFI_IO_TIMEOUT_SECS); | |
3761cb4c | 932 | else |
933 | ret = megasas_issue_polled(instance, cmd); | |
934 | ||
935 | if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) { | |
936 | dev_warn(&instance->pdev->dev, | |
937 | "driver supports max %d JBOD, but FW reports %d\n", | |
938 | MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count)); | |
939 | ret = -EINVAL; | |
940 | } | |
941 | ||
6d40afbc SS |
942 | if (ret == DCMD_TIMEOUT && instance->ctrl_context) |
943 | megaraid_sas_kill_hba(instance); | |
944 | ||
945 | if (ret == DCMD_SUCCESS) | |
3761cb4c | 946 | instance->pd_seq_map_id++; |
947 | ||
948 | megasas_return_cmd(instance, cmd); | |
949 | return ret; | |
950 | } | |
951 | ||
9c915a8c AR |
952 | /* |
953 | * megasas_get_ld_map_info - Returns FW's ld_map structure | |
954 | * @instance: Adapter soft state | |
955 | * @pend: Pend the command or not | |
956 | * Issues an internal command (DCMD) to get the FW's controller PD | |
957 | * list structure. This information is mainly used to find out SYSTEM | |
958 | * supported by the FW. | |
51087a86 SS |
959 | * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO |
960 | * dcmd.mbox.b[0] - number of LDs being sync'd | |
961 | * dcmd.mbox.b[1] - 0 - complete command immediately. | |
962 | * - 1 - pend till config change | |
963 | * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP | |
964 | * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and | |
965 | * uses extended struct MR_FW_RAID_MAP_EXT | |
9c915a8c AR |
966 | */ |
967 | static int | |
968 | megasas_get_ld_map_info(struct megasas_instance *instance) | |
969 | { | |
970 | int ret = 0; | |
971 | struct megasas_cmd *cmd; | |
972 | struct megasas_dcmd_frame *dcmd; | |
51087a86 | 973 | void *ci; |
9c915a8c AR |
974 | dma_addr_t ci_h = 0; |
975 | u32 size_map_info; | |
976 | struct fusion_context *fusion; | |
977 | ||
978 | cmd = megasas_get_cmd(instance); | |
979 | ||
980 | if (!cmd) { | |
1be18254 | 981 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for map info\n"); |
9c915a8c AR |
982 | return -ENOMEM; |
983 | } | |
984 | ||
985 | fusion = instance->ctrl_context; | |
986 | ||
987 | if (!fusion) { | |
988 | megasas_return_cmd(instance, cmd); | |
2f8bdfa8 | 989 | return -ENXIO; |
9c915a8c AR |
990 | } |
991 | ||
992 | dcmd = &cmd->frame->dcmd; | |
993 | ||
51087a86 | 994 | size_map_info = fusion->current_map_sz; |
9c915a8c | 995 | |
51087a86 | 996 | ci = (void *) fusion->ld_map[(instance->map_id & 1)]; |
9c915a8c AR |
997 | ci_h = fusion->ld_map_phys[(instance->map_id & 1)]; |
998 | ||
999 | if (!ci) { | |
1be18254 | 1000 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ld_map_info\n"); |
9c915a8c AR |
1001 | megasas_return_cmd(instance, cmd); |
1002 | return -ENOMEM; | |
1003 | } | |
1004 | ||
51087a86 | 1005 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c | 1006 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); |
51087a86 SS |
1007 | #if VD_EXT_DEBUG |
1008 | dev_dbg(&instance->pdev->dev, | |
1009 | "%s sending MR_DCMD_LD_MAP_GET_INFO with size %d\n", | |
1010 | __func__, cpu_to_le32(size_map_info)); | |
1011 | #endif | |
9c915a8c AR |
1012 | dcmd->cmd = MFI_CMD_DCMD; |
1013 | dcmd->cmd_status = 0xFF; | |
1014 | dcmd->sge_count = 1; | |
94cd65dd | 1015 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
9c915a8c AR |
1016 | dcmd->timeout = 0; |
1017 | dcmd->pad_0 = 0; | |
94cd65dd SS |
1018 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
1019 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); | |
1020 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
1021 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c | 1022 | |
90dc9d98 SS |
1023 | if (instance->ctrl_context && !instance->mask_interrupts) |
1024 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
6d40afbc | 1025 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
1026 | else |
1027 | ret = megasas_issue_polled(instance, cmd); | |
9c915a8c | 1028 | |
6d40afbc SS |
1029 | if (ret == DCMD_TIMEOUT && instance->ctrl_context) |
1030 | megaraid_sas_kill_hba(instance); | |
1031 | ||
4026e9aa | 1032 | megasas_return_cmd(instance, cmd); |
9c915a8c AR |
1033 | |
1034 | return ret; | |
1035 | } | |
1036 | ||
1037 | u8 | |
1038 | megasas_get_map_info(struct megasas_instance *instance) | |
1039 | { | |
1040 | struct fusion_context *fusion = instance->ctrl_context; | |
1041 | ||
1042 | fusion->fast_path_io = 0; | |
1043 | if (!megasas_get_ld_map_info(instance)) { | |
bc93d425 | 1044 | if (MR_ValidateMapInfo(instance)) { |
9c915a8c AR |
1045 | fusion->fast_path_io = 1; |
1046 | return 0; | |
1047 | } | |
1048 | } | |
1049 | return 1; | |
1050 | } | |
1051 | ||
1052 | /* | |
1053 | * megasas_sync_map_info - Returns FW's ld_map structure | |
1054 | * @instance: Adapter soft state | |
1055 | * | |
1056 | * Issues an internal command (DCMD) to get the FW's controller PD | |
1057 | * list structure. This information is mainly used to find out SYSTEM | |
1058 | * supported by the FW. | |
1059 | */ | |
1060 | int | |
1061 | megasas_sync_map_info(struct megasas_instance *instance) | |
1062 | { | |
1063 | int ret = 0, i; | |
1064 | struct megasas_cmd *cmd; | |
1065 | struct megasas_dcmd_frame *dcmd; | |
1066 | u32 size_sync_info, num_lds; | |
1067 | struct fusion_context *fusion; | |
1068 | struct MR_LD_TARGET_SYNC *ci = NULL; | |
51087a86 | 1069 | struct MR_DRV_RAID_MAP_ALL *map; |
9c915a8c AR |
1070 | struct MR_LD_RAID *raid; |
1071 | struct MR_LD_TARGET_SYNC *ld_sync; | |
1072 | dma_addr_t ci_h = 0; | |
1073 | u32 size_map_info; | |
1074 | ||
1075 | cmd = megasas_get_cmd(instance); | |
1076 | ||
1077 | if (!cmd) { | |
1be18254 | 1078 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for sync info\n"); |
9c915a8c AR |
1079 | return -ENOMEM; |
1080 | } | |
1081 | ||
1082 | fusion = instance->ctrl_context; | |
1083 | ||
1084 | if (!fusion) { | |
1085 | megasas_return_cmd(instance, cmd); | |
1086 | return 1; | |
1087 | } | |
1088 | ||
51087a86 | 1089 | map = fusion->ld_drv_map[instance->map_id & 1]; |
9c915a8c | 1090 | |
6e755ddc | 1091 | num_lds = le16_to_cpu(map->raidMap.ldCount); |
9c915a8c AR |
1092 | |
1093 | dcmd = &cmd->frame->dcmd; | |
1094 | ||
1095 | size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds; | |
1096 | ||
1097 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1098 | ||
1099 | ci = (struct MR_LD_TARGET_SYNC *) | |
1100 | fusion->ld_map[(instance->map_id - 1) & 1]; | |
51087a86 | 1101 | memset(ci, 0, fusion->max_map_sz); |
9c915a8c AR |
1102 | |
1103 | ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1]; | |
1104 | ||
1105 | ld_sync = (struct MR_LD_TARGET_SYNC *)ci; | |
1106 | ||
1107 | for (i = 0; i < num_lds; i++, ld_sync++) { | |
1108 | raid = MR_LdRaidGet(i, map); | |
1109 | ld_sync->targetId = MR_GetLDTgtId(i, map); | |
1110 | ld_sync->seqNum = raid->seqNum; | |
1111 | } | |
1112 | ||
51087a86 | 1113 | size_map_info = fusion->current_map_sz; |
9c915a8c AR |
1114 | |
1115 | dcmd->cmd = MFI_CMD_DCMD; | |
1116 | dcmd->cmd_status = 0xFF; | |
1117 | dcmd->sge_count = 1; | |
94cd65dd | 1118 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE); |
9c915a8c AR |
1119 | dcmd->timeout = 0; |
1120 | dcmd->pad_0 = 0; | |
94cd65dd | 1121 | dcmd->data_xfer_len = cpu_to_le32(size_map_info); |
9c915a8c AR |
1122 | dcmd->mbox.b[0] = num_lds; |
1123 | dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG; | |
94cd65dd SS |
1124 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO); |
1125 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
1126 | dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info); | |
9c915a8c AR |
1127 | |
1128 | instance->map_update_cmd = cmd; | |
1129 | ||
1130 | instance->instancet->issue_dcmd(instance, cmd); | |
1131 | ||
1132 | return ret; | |
1133 | } | |
1134 | ||
39b72c3c SS |
1135 | /* |
1136 | * meagasas_display_intel_branding - Display branding string | |
1137 | * @instance: per adapter object | |
1138 | * | |
1139 | * Return nothing. | |
1140 | */ | |
1141 | static void | |
1142 | megasas_display_intel_branding(struct megasas_instance *instance) | |
1143 | { | |
1144 | if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) | |
1145 | return; | |
1146 | ||
1147 | switch (instance->pdev->device) { | |
1148 | case PCI_DEVICE_ID_LSI_INVADER: | |
1149 | switch (instance->pdev->subsystem_device) { | |
1150 | case MEGARAID_INTEL_RS3DC080_SSDID: | |
1151 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1152 | instance->host->host_no, | |
1153 | MEGARAID_INTEL_RS3DC080_BRANDING); | |
1154 | break; | |
1155 | case MEGARAID_INTEL_RS3DC040_SSDID: | |
1156 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1157 | instance->host->host_no, | |
1158 | MEGARAID_INTEL_RS3DC040_BRANDING); | |
1159 | break; | |
1160 | case MEGARAID_INTEL_RS3SC008_SSDID: | |
1161 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1162 | instance->host->host_no, | |
1163 | MEGARAID_INTEL_RS3SC008_BRANDING); | |
1164 | break; | |
1165 | case MEGARAID_INTEL_RS3MC044_SSDID: | |
1166 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1167 | instance->host->host_no, | |
1168 | MEGARAID_INTEL_RS3MC044_BRANDING); | |
1169 | break; | |
1170 | default: | |
1171 | break; | |
1172 | } | |
1173 | break; | |
1174 | case PCI_DEVICE_ID_LSI_FURY: | |
1175 | switch (instance->pdev->subsystem_device) { | |
1176 | case MEGARAID_INTEL_RS3WC080_SSDID: | |
1177 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1178 | instance->host->host_no, | |
1179 | MEGARAID_INTEL_RS3WC080_BRANDING); | |
1180 | break; | |
1181 | case MEGARAID_INTEL_RS3WC040_SSDID: | |
1182 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1183 | instance->host->host_no, | |
1184 | MEGARAID_INTEL_RS3WC040_BRANDING); | |
1185 | break; | |
1186 | default: | |
1187 | break; | |
1188 | } | |
1189 | break; | |
7364d34b | 1190 | case PCI_DEVICE_ID_LSI_CUTLASS_52: |
1191 | case PCI_DEVICE_ID_LSI_CUTLASS_53: | |
1192 | switch (instance->pdev->subsystem_device) { | |
1193 | case MEGARAID_INTEL_RMS3BC160_SSDID: | |
1194 | dev_info(&instance->pdev->dev, "scsi host %d: %s\n", | |
1195 | instance->host->host_no, | |
1196 | MEGARAID_INTEL_RMS3BC160_BRANDING); | |
1197 | break; | |
1198 | default: | |
1199 | break; | |
1200 | } | |
1201 | break; | |
39b72c3c SS |
1202 | default: |
1203 | break; | |
1204 | } | |
1205 | } | |
1206 | ||
9c915a8c AR |
1207 | /** |
1208 | * megasas_init_adapter_fusion - Initializes the FW | |
1209 | * @instance: Adapter soft state | |
1210 | * | |
1211 | * This is the main function for initializing firmware. | |
1212 | */ | |
1213 | u32 | |
1214 | megasas_init_adapter_fusion(struct megasas_instance *instance) | |
1215 | { | |
1216 | struct megasas_register_set __iomem *reg_set; | |
1217 | struct fusion_context *fusion; | |
bd5f9484 | 1218 | u32 max_cmd, scratch_pad_2; |
c8e858fe | 1219 | int i = 0, count; |
9c915a8c AR |
1220 | |
1221 | fusion = instance->ctrl_context; | |
1222 | ||
1223 | reg_set = instance->reg_set; | |
1224 | ||
308ec459 | 1225 | megasas_fusion_update_can_queue(instance, PROBE_CONTEXT); |
9c915a8c AR |
1226 | |
1227 | /* | |
1228 | * Reduce the max supported cmds by 1. This is to ensure that the | |
1229 | * reply_q_sz (1 more than the max cmd that driver may send) | |
1230 | * does not exceed max cmds that the FW can support | |
1231 | */ | |
1232 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
ae09a6c1 SS |
1233 | |
1234 | /* | |
1235 | * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames | |
1236 | */ | |
1237 | instance->max_mfi_cmds = | |
1238 | MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS; | |
9c915a8c AR |
1239 | |
1240 | max_cmd = instance->max_fw_cmds; | |
1241 | ||
db4fc864 | 1242 | fusion->reply_q_depth = 2 * (((max_cmd + 1 + 15)/16)*16); |
9c915a8c AR |
1243 | |
1244 | fusion->request_alloc_sz = | |
1245 | sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *max_cmd; | |
1246 | fusion->reply_alloc_sz = sizeof(union MPI2_REPLY_DESCRIPTORS_UNION) | |
1247 | *(fusion->reply_q_depth); | |
1248 | fusion->io_frames_alloc_sz = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE + | |
1249 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * | |
1250 | (max_cmd + 1)); /* Extra 1 for SMID 0 */ | |
1251 | ||
bd5f9484 | 1252 | scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2); |
1253 | /* If scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set, | |
1254 | * Firmware support extended IO chain frame which is 4 times more than | |
1255 | * legacy Firmware. | |
1256 | * Legacy Firmware - Frame size is (8 * 128) = 1K | |
1257 | * 1M IO Firmware - Frame size is (8 * 128 * 4) = 4K | |
1258 | */ | |
1259 | if (scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK) | |
1260 | instance->max_chain_frame_sz = | |
1261 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
1262 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO; | |
1263 | else | |
1264 | instance->max_chain_frame_sz = | |
1265 | ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >> | |
1266 | MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO; | |
1267 | ||
1268 | if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) { | |
1269 | dev_warn(&instance->pdev->dev, "frame size %d invalid, fall back to legacy max frame size %d\n", | |
1270 | instance->max_chain_frame_sz, | |
1271 | MEGASAS_CHAIN_FRAME_SZ_MIN); | |
1272 | instance->max_chain_frame_sz = MEGASAS_CHAIN_FRAME_SZ_MIN; | |
1273 | } | |
1274 | ||
9c915a8c | 1275 | fusion->max_sge_in_main_msg = |
bd5f9484 | 1276 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE |
1277 | - offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16; | |
9c915a8c AR |
1278 | |
1279 | fusion->max_sge_in_chain = | |
bd5f9484 | 1280 | instance->max_chain_frame_sz |
1281 | / sizeof(union MPI2_SGE_IO_UNION); | |
9c915a8c | 1282 | |
bd5f9484 | 1283 | instance->max_num_sge = |
1284 | rounddown_pow_of_two(fusion->max_sge_in_main_msg | |
1285 | + fusion->max_sge_in_chain - 2); | |
9c915a8c AR |
1286 | |
1287 | /* Used for pass thru MFI frame (DCMD) */ | |
1288 | fusion->chain_offset_mfi_pthru = | |
1289 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL)/16; | |
1290 | ||
1291 | fusion->chain_offset_io_request = | |
1292 | (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE - | |
1293 | sizeof(union MPI2_SGE_IO_UNION))/16; | |
1294 | ||
c8e858fe AR |
1295 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
1296 | for (i = 0 ; i < count; i++) | |
1297 | fusion->last_reply_idx[i] = 0; | |
9c915a8c | 1298 | |
f26ac3a1 SS |
1299 | /* |
1300 | * For fusion adapters, 3 commands for IOCTL and 5 commands | |
1301 | * for driver's internal DCMDs. | |
1302 | */ | |
1303 | instance->max_scsi_cmds = instance->max_fw_cmds - | |
1304 | (MEGASAS_FUSION_INTERNAL_CMDS + | |
1305 | MEGASAS_FUSION_IOCTL_CMDS); | |
1306 | sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS); | |
1307 | ||
9c915a8c AR |
1308 | /* |
1309 | * Allocate memory for descriptors | |
1310 | * Create a pool of commands | |
1311 | */ | |
1312 | if (megasas_alloc_cmds(instance)) | |
1313 | goto fail_alloc_mfi_cmds; | |
1314 | if (megasas_alloc_cmds_fusion(instance)) | |
1315 | goto fail_alloc_cmds; | |
1316 | ||
1317 | if (megasas_ioc_init_fusion(instance)) | |
1318 | goto fail_ioc_init; | |
1319 | ||
39b72c3c | 1320 | megasas_display_intel_branding(instance); |
d009b576 | 1321 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
1322 | dev_err(&instance->pdev->dev, |
1323 | "Could not get controller info. Fail from %s %d\n", | |
1324 | __func__, __LINE__); | |
1325 | goto fail_ioc_init; | |
1326 | } | |
1327 | ||
9c915a8c | 1328 | instance->flag_ieee = 1; |
51087a86 | 1329 | fusion->fast_path_io = 0; |
9c915a8c | 1330 | |
51087a86 SS |
1331 | fusion->drv_map_pages = get_order(fusion->drv_map_sz); |
1332 | for (i = 0; i < 2; i++) { | |
1333 | fusion->ld_map[i] = NULL; | |
1334 | fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL, | |
1335 | fusion->drv_map_pages); | |
1336 | if (!fusion->ld_drv_map[i]) { | |
1337 | dev_err(&instance->pdev->dev, "Could not allocate " | |
1338 | "memory for local map info for %d pages\n", | |
1339 | fusion->drv_map_pages); | |
1340 | if (i == 1) | |
1341 | free_pages((ulong)fusion->ld_drv_map[0], | |
1342 | fusion->drv_map_pages); | |
1343 | goto fail_ioc_init; | |
1344 | } | |
d009b576 SS |
1345 | memset(fusion->ld_drv_map[i], 0, |
1346 | ((1 << PAGE_SHIFT) << fusion->drv_map_pages)); | |
51087a86 SS |
1347 | } |
1348 | ||
9c915a8c AR |
1349 | for (i = 0; i < 2; i++) { |
1350 | fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, | |
51087a86 | 1351 | fusion->max_map_sz, |
9c915a8c AR |
1352 | &fusion->ld_map_phys[i], |
1353 | GFP_KERNEL); | |
1354 | if (!fusion->ld_map[i]) { | |
1be18254 | 1355 | dev_err(&instance->pdev->dev, "Could not allocate memory " |
9c915a8c AR |
1356 | "for map info\n"); |
1357 | goto fail_map_info; | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | if (!megasas_get_map_info(instance)) | |
1362 | megasas_sync_map_info(instance); | |
1363 | ||
1364 | return 0; | |
1365 | ||
9c915a8c AR |
1366 | fail_map_info: |
1367 | if (i == 1) | |
51087a86 | 1368 | dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz, |
9c915a8c AR |
1369 | fusion->ld_map[0], fusion->ld_map_phys[0]); |
1370 | fail_ioc_init: | |
eb1b1237 AR |
1371 | megasas_free_cmds_fusion(instance); |
1372 | fail_alloc_cmds: | |
1373 | megasas_free_cmds(instance); | |
1374 | fail_alloc_mfi_cmds: | |
9c915a8c AR |
1375 | return 1; |
1376 | } | |
1377 | ||
9c915a8c AR |
1378 | /** |
1379 | * map_cmd_status - Maps FW cmd status to OS cmd status | |
1380 | * @cmd : Pointer to cmd | |
1381 | * @status : status of cmd returned by FW | |
1382 | * @ext_status : ext status of cmd returned by FW | |
1383 | */ | |
1384 | ||
1385 | void | |
1386 | map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status) | |
1387 | { | |
1388 | ||
1389 | switch (status) { | |
1390 | ||
1391 | case MFI_STAT_OK: | |
1392 | cmd->scmd->result = DID_OK << 16; | |
1393 | break; | |
1394 | ||
1395 | case MFI_STAT_SCSI_IO_FAILED: | |
1396 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
1397 | cmd->scmd->result = (DID_ERROR << 16) | ext_status; | |
1398 | break; | |
1399 | ||
1400 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
1401 | ||
1402 | cmd->scmd->result = (DID_OK << 16) | ext_status; | |
1403 | if (ext_status == SAM_STAT_CHECK_CONDITION) { | |
1404 | memset(cmd->scmd->sense_buffer, 0, | |
1405 | SCSI_SENSE_BUFFERSIZE); | |
1406 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
1407 | SCSI_SENSE_BUFFERSIZE); | |
1408 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
1409 | } | |
1410 | break; | |
1411 | ||
1412 | case MFI_STAT_LD_OFFLINE: | |
1413 | case MFI_STAT_DEVICE_NOT_FOUND: | |
1414 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
1415 | break; | |
36807e67 AR |
1416 | case MFI_STAT_CONFIG_SEQ_MISMATCH: |
1417 | cmd->scmd->result = DID_IMM_RETRY << 16; | |
1418 | break; | |
9c915a8c | 1419 | default: |
1be18254 | 1420 | dev_printk(KERN_DEBUG, &cmd->instance->pdev->dev, "FW status %#x\n", status); |
9c915a8c AR |
1421 | cmd->scmd->result = DID_ERROR << 16; |
1422 | break; | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | /** | |
1427 | * megasas_make_sgl_fusion - Prepares 32-bit SGL | |
1428 | * @instance: Adapter soft state | |
1429 | * @scp: SCSI command from the mid-layer | |
1430 | * @sgl_ptr: SGL to be filled in | |
1431 | * @cmd: cmd we are working on | |
1432 | * | |
1433 | * If successful, this function returns the number of SG elements. | |
1434 | */ | |
1435 | static int | |
1436 | megasas_make_sgl_fusion(struct megasas_instance *instance, | |
1437 | struct scsi_cmnd *scp, | |
1438 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, | |
1439 | struct megasas_cmd_fusion *cmd) | |
1440 | { | |
36807e67 | 1441 | int i, sg_processed, sge_count; |
9c915a8c AR |
1442 | struct scatterlist *os_sgl; |
1443 | struct fusion_context *fusion; | |
1444 | ||
1445 | fusion = instance->ctrl_context; | |
1446 | ||
5a8cb85b | 1447 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 AR |
1448 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; |
1449 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
1450 | sgl_ptr_end->Flags = 0; | |
1451 | } | |
9c915a8c AR |
1452 | |
1453 | sge_count = scsi_dma_map(scp); | |
1454 | ||
1455 | BUG_ON(sge_count < 0); | |
1456 | ||
1457 | if (sge_count > instance->max_num_sge || !sge_count) | |
1458 | return sge_count; | |
1459 | ||
9c915a8c | 1460 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { |
94cd65dd SS |
1461 | sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl)); |
1462 | sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl)); | |
9c915a8c | 1463 | sgl_ptr->Flags = 0; |
5a8cb85b | 1464 | if (fusion->adapter_type == INVADER_SERIES) |
36807e67 AR |
1465 | if (i == sge_count - 1) |
1466 | sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; | |
9c915a8c AR |
1467 | sgl_ptr++; |
1468 | ||
1469 | sg_processed = i + 1; | |
1470 | ||
1471 | if ((sg_processed == (fusion->max_sge_in_main_msg - 1)) && | |
1472 | (sge_count > fusion->max_sge_in_main_msg)) { | |
1473 | ||
1474 | struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; | |
5a8cb85b | 1475 | if (fusion->adapter_type == INVADER_SERIES) { |
94cd65dd SS |
1476 | if ((le16_to_cpu(cmd->io_request->IoFlags) & |
1477 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != | |
1478 | MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) | |
36807e67 AR |
1479 | cmd->io_request->ChainOffset = |
1480 | fusion-> | |
1481 | chain_offset_io_request; | |
1482 | else | |
1483 | cmd->io_request->ChainOffset = 0; | |
1484 | } else | |
1485 | cmd->io_request->ChainOffset = | |
1486 | fusion->chain_offset_io_request; | |
1487 | ||
9c915a8c AR |
1488 | sg_chain = sgl_ptr; |
1489 | /* Prepare chain element */ | |
1490 | sg_chain->NextChainOffset = 0; | |
5a8cb85b | 1491 | if (fusion->adapter_type == INVADER_SERIES) |
36807e67 AR |
1492 | sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; |
1493 | else | |
1494 | sg_chain->Flags = | |
1495 | (IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
1496 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); | |
94cd65dd SS |
1497 | sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed))); |
1498 | sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr); | |
9c915a8c AR |
1499 | |
1500 | sgl_ptr = | |
1501 | (struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame; | |
bd5f9484 | 1502 | memset(sgl_ptr, 0, instance->max_chain_frame_sz); |
9c915a8c AR |
1503 | } |
1504 | } | |
1505 | ||
1506 | return sge_count; | |
1507 | } | |
1508 | ||
1509 | /** | |
1510 | * megasas_set_pd_lba - Sets PD LBA | |
1511 | * @cdb: CDB | |
1512 | * @cdb_len: cdb length | |
1513 | * @start_blk: Start block of IO | |
1514 | * | |
1515 | * Used to set the PD LBA in CDB for FP IOs | |
1516 | */ | |
1517 | void | |
1518 | megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, | |
1519 | struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp, | |
51087a86 | 1520 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag) |
9c915a8c AR |
1521 | { |
1522 | struct MR_LD_RAID *raid; | |
1523 | u32 ld; | |
1524 | u64 start_blk = io_info->pdBlock; | |
1525 | u8 *cdb = io_request->CDB.CDB32; | |
1526 | u32 num_blocks = io_info->numBlocks; | |
495c5609 | 1527 | u8 opcode = 0, flagvals = 0, groupnum = 0, control = 0; |
9c915a8c AR |
1528 | |
1529 | /* Check if T10 PI (DIF) is enabled for this LD */ | |
1530 | ld = MR_TargetIdToLdGet(io_info->ldTgtId, local_map_ptr); | |
1531 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
1532 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { | |
1533 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1534 | cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD; | |
1535 | cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN; | |
1536 | ||
1537 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1538 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32; | |
1539 | else | |
1540 | cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32; | |
1541 | cdb[10] = MEGASAS_RD_WR_PROTECT_CHECK_ALL; | |
1542 | ||
1543 | /* LBA */ | |
1544 | cdb[12] = (u8)((start_blk >> 56) & 0xff); | |
1545 | cdb[13] = (u8)((start_blk >> 48) & 0xff); | |
1546 | cdb[14] = (u8)((start_blk >> 40) & 0xff); | |
1547 | cdb[15] = (u8)((start_blk >> 32) & 0xff); | |
1548 | cdb[16] = (u8)((start_blk >> 24) & 0xff); | |
1549 | cdb[17] = (u8)((start_blk >> 16) & 0xff); | |
1550 | cdb[18] = (u8)((start_blk >> 8) & 0xff); | |
1551 | cdb[19] = (u8)(start_blk & 0xff); | |
1552 | ||
1553 | /* Logical block reference tag */ | |
1554 | io_request->CDB.EEDP32.PrimaryReferenceTag = | |
1555 | cpu_to_be32(ref_tag); | |
6e755ddc | 1556 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff); |
94cd65dd | 1557 | io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */ |
9c915a8c AR |
1558 | |
1559 | /* Transfer length */ | |
1560 | cdb[28] = (u8)((num_blocks >> 24) & 0xff); | |
1561 | cdb[29] = (u8)((num_blocks >> 16) & 0xff); | |
1562 | cdb[30] = (u8)((num_blocks >> 8) & 0xff); | |
1563 | cdb[31] = (u8)(num_blocks & 0xff); | |
1564 | ||
1565 | /* set SCSI IO EEDPFlags */ | |
1566 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) { | |
94cd65dd | 1567 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c AR |
1568 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
1569 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
1570 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP | | |
1571 | MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG | | |
94cd65dd | 1572 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); |
9c915a8c | 1573 | } else { |
94cd65dd | 1574 | io_request->EEDPFlags = cpu_to_le16( |
9c915a8c | 1575 | MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
94cd65dd | 1576 | MPI2_SCSIIO_EEDPFLAGS_INSERT_OP); |
9c915a8c | 1577 | } |
94cd65dd SS |
1578 | io_request->Control |= cpu_to_le32((0x4 << 26)); |
1579 | io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size); | |
9c915a8c AR |
1580 | } else { |
1581 | /* Some drives don't support 16/12 byte CDB's, convert to 10 */ | |
1582 | if (((cdb_len == 12) || (cdb_len == 16)) && | |
1583 | (start_blk <= 0xffffffff)) { | |
1584 | if (cdb_len == 16) { | |
1585 | opcode = cdb[0] == READ_16 ? READ_10 : WRITE_10; | |
1586 | flagvals = cdb[1]; | |
1587 | groupnum = cdb[14]; | |
1588 | control = cdb[15]; | |
1589 | } else { | |
1590 | opcode = cdb[0] == READ_12 ? READ_10 : WRITE_10; | |
1591 | flagvals = cdb[1]; | |
1592 | groupnum = cdb[10]; | |
1593 | control = cdb[11]; | |
1594 | } | |
1595 | ||
1596 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1597 | ||
1598 | cdb[0] = opcode; | |
1599 | cdb[1] = flagvals; | |
1600 | cdb[6] = groupnum; | |
1601 | cdb[9] = control; | |
1602 | ||
1603 | /* Transfer length */ | |
1604 | cdb[8] = (u8)(num_blocks & 0xff); | |
1605 | cdb[7] = (u8)((num_blocks >> 8) & 0xff); | |
1606 | ||
94cd65dd | 1607 | io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */ |
9c915a8c | 1608 | cdb_len = 10; |
495c5609 AR |
1609 | } else if ((cdb_len < 16) && (start_blk > 0xffffffff)) { |
1610 | /* Convert to 16 byte CDB for large LBA's */ | |
1611 | switch (cdb_len) { | |
1612 | case 6: | |
1613 | opcode = cdb[0] == READ_6 ? READ_16 : WRITE_16; | |
1614 | control = cdb[5]; | |
1615 | break; | |
1616 | case 10: | |
1617 | opcode = | |
1618 | cdb[0] == READ_10 ? READ_16 : WRITE_16; | |
1619 | flagvals = cdb[1]; | |
1620 | groupnum = cdb[6]; | |
1621 | control = cdb[9]; | |
1622 | break; | |
1623 | case 12: | |
1624 | opcode = | |
1625 | cdb[0] == READ_12 ? READ_16 : WRITE_16; | |
1626 | flagvals = cdb[1]; | |
1627 | groupnum = cdb[10]; | |
1628 | control = cdb[11]; | |
1629 | break; | |
1630 | } | |
1631 | ||
1632 | memset(cdb, 0, sizeof(io_request->CDB.CDB32)); | |
1633 | ||
1634 | cdb[0] = opcode; | |
1635 | cdb[1] = flagvals; | |
1636 | cdb[14] = groupnum; | |
1637 | cdb[15] = control; | |
1638 | ||
1639 | /* Transfer length */ | |
1640 | cdb[13] = (u8)(num_blocks & 0xff); | |
1641 | cdb[12] = (u8)((num_blocks >> 8) & 0xff); | |
1642 | cdb[11] = (u8)((num_blocks >> 16) & 0xff); | |
1643 | cdb[10] = (u8)((num_blocks >> 24) & 0xff); | |
1644 | ||
94cd65dd | 1645 | io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */ |
495c5609 | 1646 | cdb_len = 16; |
9c915a8c AR |
1647 | } |
1648 | ||
1649 | /* Normal case, just load LBA here */ | |
1650 | switch (cdb_len) { | |
1651 | case 6: | |
1652 | { | |
1653 | u8 val = cdb[1] & 0xE0; | |
1654 | cdb[3] = (u8)(start_blk & 0xff); | |
1655 | cdb[2] = (u8)((start_blk >> 8) & 0xff); | |
1656 | cdb[1] = val | ((u8)(start_blk >> 16) & 0x1f); | |
1657 | break; | |
1658 | } | |
1659 | case 10: | |
1660 | cdb[5] = (u8)(start_blk & 0xff); | |
1661 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1662 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1663 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1664 | break; | |
1665 | case 12: | |
1666 | cdb[5] = (u8)(start_blk & 0xff); | |
1667 | cdb[4] = (u8)((start_blk >> 8) & 0xff); | |
1668 | cdb[3] = (u8)((start_blk >> 16) & 0xff); | |
1669 | cdb[2] = (u8)((start_blk >> 24) & 0xff); | |
1670 | break; | |
1671 | case 16: | |
1672 | cdb[9] = (u8)(start_blk & 0xff); | |
1673 | cdb[8] = (u8)((start_blk >> 8) & 0xff); | |
1674 | cdb[7] = (u8)((start_blk >> 16) & 0xff); | |
1675 | cdb[6] = (u8)((start_blk >> 24) & 0xff); | |
1676 | cdb[5] = (u8)((start_blk >> 32) & 0xff); | |
1677 | cdb[4] = (u8)((start_blk >> 40) & 0xff); | |
1678 | cdb[3] = (u8)((start_blk >> 48) & 0xff); | |
1679 | cdb[2] = (u8)((start_blk >> 56) & 0xff); | |
1680 | break; | |
1681 | } | |
1682 | } | |
1683 | } | |
1684 | ||
1685 | /** | |
1686 | * megasas_build_ldio_fusion - Prepares IOs to devices | |
1687 | * @instance: Adapter soft state | |
1688 | * @scp: SCSI command | |
1689 | * @cmd: Command to be prepared | |
1690 | * | |
1691 | * Prepares the io_request and chain elements (sg_frame) for IO | |
1692 | * The IO can be for PD (Fast Path) or LD | |
1693 | */ | |
1694 | void | |
1695 | megasas_build_ldio_fusion(struct megasas_instance *instance, | |
1696 | struct scsi_cmnd *scp, | |
1697 | struct megasas_cmd_fusion *cmd) | |
1698 | { | |
1699 | u8 fp_possible; | |
f9eff815 | 1700 | u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; |
9c915a8c AR |
1701 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
1702 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
1703 | struct IO_REQUEST_INFO io_info; | |
1704 | struct fusion_context *fusion; | |
51087a86 | 1705 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
21c9e160 | 1706 | u8 *raidLUN; |
9c915a8c | 1707 | |
4a5c814d | 1708 | device_id = MEGASAS_DEV_INDEX(scp); |
9c915a8c AR |
1709 | |
1710 | fusion = instance->ctrl_context; | |
1711 | ||
1712 | io_request = cmd->io_request; | |
94cd65dd | 1713 | io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); |
9c915a8c AR |
1714 | io_request->RaidContext.status = 0; |
1715 | io_request->RaidContext.exStatus = 0; | |
1716 | ||
1717 | req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; | |
1718 | ||
1719 | start_lba_lo = 0; | |
1720 | start_lba_hi = 0; | |
1721 | fp_possible = 0; | |
1722 | ||
1723 | /* | |
1724 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1725 | */ | |
1726 | if (scp->cmd_len == 6) { | |
f9eff815 | 1727 | datalength = (u32) scp->cmnd[4]; |
9c915a8c AR |
1728 | start_lba_lo = ((u32) scp->cmnd[1] << 16) | |
1729 | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; | |
1730 | ||
1731 | start_lba_lo &= 0x1FFFFF; | |
1732 | } | |
1733 | ||
1734 | /* | |
1735 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1736 | */ | |
1737 | else if (scp->cmd_len == 10) { | |
f9eff815 | 1738 | datalength = (u32) scp->cmnd[8] | |
9c915a8c AR |
1739 | ((u32) scp->cmnd[7] << 8); |
1740 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1741 | ((u32) scp->cmnd[3] << 16) | | |
1742 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1743 | } | |
1744 | ||
1745 | /* | |
1746 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1747 | */ | |
1748 | else if (scp->cmd_len == 12) { | |
f9eff815 | 1749 | datalength = ((u32) scp->cmnd[6] << 24) | |
9c915a8c AR |
1750 | ((u32) scp->cmnd[7] << 16) | |
1751 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1752 | start_lba_lo = ((u32) scp->cmnd[2] << 24) | | |
1753 | ((u32) scp->cmnd[3] << 16) | | |
1754 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1755 | } | |
1756 | ||
1757 | /* | |
1758 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1759 | */ | |
1760 | else if (scp->cmd_len == 16) { | |
f9eff815 | 1761 | datalength = ((u32) scp->cmnd[10] << 24) | |
9c915a8c AR |
1762 | ((u32) scp->cmnd[11] << 16) | |
1763 | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; | |
1764 | start_lba_lo = ((u32) scp->cmnd[6] << 24) | | |
1765 | ((u32) scp->cmnd[7] << 16) | | |
1766 | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; | |
1767 | ||
1768 | start_lba_hi = ((u32) scp->cmnd[2] << 24) | | |
1769 | ((u32) scp->cmnd[3] << 16) | | |
1770 | ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; | |
1771 | } | |
1772 | ||
1773 | memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); | |
1774 | io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; | |
f9eff815 | 1775 | io_info.numBlocks = datalength; |
9c915a8c | 1776 | io_info.ldTgtId = device_id; |
94cd65dd | 1777 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scp)); |
9c915a8c AR |
1778 | |
1779 | if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1780 | io_info.isRead = 1; | |
1781 | ||
51087a86 | 1782 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
9c915a8c AR |
1783 | |
1784 | if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >= | |
51087a86 | 1785 | instance->fw_supported_vd_count) || (!fusion->fast_path_io)) { |
9c915a8c AR |
1786 | io_request->RaidContext.regLockFlags = 0; |
1787 | fp_possible = 0; | |
1788 | } else { | |
36807e67 AR |
1789 | if (MR_BuildRaidContext(instance, &io_info, |
1790 | &io_request->RaidContext, | |
21c9e160 | 1791 | local_map_ptr, &raidLUN)) |
9c915a8c AR |
1792 | fp_possible = io_info.fpOkForIo; |
1793 | } | |
1794 | ||
16b8528d | 1795 | /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU |
c8e858fe AR |
1796 | id by default, not CPU group id, otherwise all MSI-X queues won't |
1797 | be utilized */ | |
1798 | cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ? | |
16b8528d | 1799 | raw_smp_processor_id() % instance->msix_vectors : 0; |
c8e858fe | 1800 | |
9c915a8c AR |
1801 | if (fp_possible) { |
1802 | megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, | |
1803 | local_map_ptr, start_lba_lo); | |
9c915a8c AR |
1804 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
1805 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 1806 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO |
9c915a8c | 1807 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
5a8cb85b | 1808 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 AR |
1809 | if (io_request->RaidContext.regLockFlags == |
1810 | REGION_TYPE_UNUSED) | |
1811 | cmd->request_desc->SCSIIO.RequestFlags = | |
1812 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1813 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1814 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1815 | io_request->RaidContext.nseg = 0x1; | |
94cd65dd | 1816 | io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); |
36807e67 AR |
1817 | io_request->RaidContext.regLockFlags |= |
1818 | (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | | |
1819 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1820 | } | |
9c915a8c AR |
1821 | if ((fusion->load_balance_info[device_id].loadBalanceFlag) && |
1822 | (io_info.isRead)) { | |
1823 | io_info.devHandle = | |
d2552ebe | 1824 | get_updated_dev_handle(instance, |
9c915a8c AR |
1825 | &fusion->load_balance_info[device_id], |
1826 | &io_info); | |
1827 | scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; | |
d2552ebe | 1828 | cmd->pd_r1_lb = io_info.pd_after_lb; |
9c915a8c AR |
1829 | } else |
1830 | scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; | |
5765c5b8 SS |
1831 | |
1832 | if ((raidLUN[0] == 1) && | |
75b96061 | 1833 | (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) { |
5765c5b8 SS |
1834 | instance->dev_handle = !(instance->dev_handle); |
1835 | io_info.devHandle = | |
1836 | local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; | |
1837 | } | |
1838 | ||
9c915a8c AR |
1839 | cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle; |
1840 | io_request->DevHandle = io_info.devHandle; | |
21c9e160 AR |
1841 | /* populate the LUN field */ |
1842 | memcpy(io_request->LUN, raidLUN, 8); | |
9c915a8c AR |
1843 | } else { |
1844 | io_request->RaidContext.timeoutValue = | |
94cd65dd | 1845 | cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec); |
9c915a8c AR |
1846 | cmd->request_desc->SCSIIO.RequestFlags = |
1847 | (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO | |
1848 | << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
5a8cb85b | 1849 | if (fusion->adapter_type == INVADER_SERIES) { |
8f05024c SS |
1850 | if (io_info.do_fp_rlbypass || |
1851 | (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)) | |
36807e67 AR |
1852 | cmd->request_desc->SCSIIO.RequestFlags = |
1853 | (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << | |
1854 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1855 | io_request->RaidContext.Type = MPI2_TYPE_CUDA; | |
1856 | io_request->RaidContext.regLockFlags |= | |
1857 | (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | | |
1858 | MR_RL_FLAGS_SEQ_NUM_ENABLE); | |
1859 | io_request->RaidContext.nseg = 0x1; | |
1860 | } | |
1861 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
94cd65dd | 1862 | io_request->DevHandle = cpu_to_le16(device_id); |
9c915a8c AR |
1863 | } /* Not FP */ |
1864 | } | |
1865 | ||
1866 | /** | |
4a5c814d | 1867 | * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk |
9c915a8c AR |
1868 | * @instance: Adapter soft state |
1869 | * @scp: SCSI command | |
1870 | * @cmd: Command to be prepared | |
1871 | * | |
4a5c814d | 1872 | * Prepares the io_request frame for non-rw io cmds for vd. |
9c915a8c | 1873 | */ |
4a5c814d SS |
1874 | static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, |
1875 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd) | |
9c915a8c AR |
1876 | { |
1877 | u32 device_id; | |
1878 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1879 | u16 pd_index = 0; | |
51087a86 | 1880 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; |
9c915a8c | 1881 | struct fusion_context *fusion = instance->ctrl_context; |
21c9e160 | 1882 | u8 span, physArm; |
9ab9ed38 | 1883 | __le16 devHandle; |
21c9e160 AR |
1884 | u32 ld, arRef, pd; |
1885 | struct MR_LD_RAID *raid; | |
1886 | struct RAID_CONTEXT *pRAID_Context; | |
4a5c814d | 1887 | u8 fp_possible = 1; |
9c915a8c AR |
1888 | |
1889 | io_request = cmd->io_request; | |
4a5c814d SS |
1890 | device_id = MEGASAS_DEV_INDEX(scmd); |
1891 | pd_index = MEGASAS_PD_INDEX(scmd); | |
51087a86 | 1892 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; |
94cd65dd | 1893 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
4a5c814d SS |
1894 | /* get RAID_Context pointer */ |
1895 | pRAID_Context = &io_request->RaidContext; | |
1896 | /* Check with FW team */ | |
1897 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
1898 | pRAID_Context->regLockRowLBA = 0; | |
1899 | pRAID_Context->regLockLength = 0; | |
21c9e160 | 1900 | |
4a5c814d SS |
1901 | if (fusion->fast_path_io && ( |
1902 | device_id < instance->fw_supported_vd_count)) { | |
ab2f0608 | 1903 | |
21c9e160 | 1904 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); |
ab2f0608 | 1905 | if (ld >= instance->fw_supported_vd_count) |
4a5c814d | 1906 | fp_possible = 0; |
21c9e160 AR |
1907 | |
1908 | raid = MR_LdRaidGet(ld, local_map_ptr); | |
21c9e160 | 1909 | if (!(raid->capability.fpNonRWCapable)) |
4a5c814d SS |
1910 | fp_possible = 0; |
1911 | } else | |
1912 | fp_possible = 0; | |
21c9e160 | 1913 | |
4a5c814d SS |
1914 | if (!fp_possible) { |
1915 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; | |
1916 | io_request->DevHandle = cpu_to_le16(device_id); | |
1917 | io_request->LUN[1] = scmd->device->lun; | |
1918 | pRAID_Context->timeoutValue = | |
1919 | cpu_to_le16 (scmd->request->timeout / HZ); | |
1920 | cmd->request_desc->SCSIIO.RequestFlags = | |
1921 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
1922 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
1923 | } else { | |
21c9e160 AR |
1924 | |
1925 | /* set RAID context values */ | |
4a5c814d SS |
1926 | pRAID_Context->configSeqNum = raid->seqNum; |
1927 | pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ; | |
1928 | pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd); | |
21c9e160 AR |
1929 | |
1930 | /* get the DevHandle for the PD (since this is | |
1931 | fpNonRWCapable, this is a single disk RAID0) */ | |
1932 | span = physArm = 0; | |
1933 | arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr); | |
1934 | pd = MR_ArPdGet(arRef, physArm, local_map_ptr); | |
1935 | devHandle = MR_PdDevHandleGet(pd, local_map_ptr); | |
1936 | ||
1937 | /* build request descriptor */ | |
1938 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 1939 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 1940 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
21c9e160 AR |
1941 | cmd->request_desc->SCSIIO.DevHandle = devHandle; |
1942 | ||
1943 | /* populate the LUN field */ | |
1944 | memcpy(io_request->LUN, raid->LUN, 8); | |
1945 | ||
1946 | /* build the raidScsiIO structure */ | |
1947 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
1948 | io_request->DevHandle = devHandle; | |
4a5c814d SS |
1949 | } |
1950 | } | |
21c9e160 | 1951 | |
4a5c814d SS |
1952 | /** |
1953 | * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd | |
1954 | * @instance: Adapter soft state | |
1955 | * @scp: SCSI command | |
1956 | * @cmd: Command to be prepared | |
1957 | * @fp_possible: parameter to detect fast path or firmware path io. | |
1958 | * | |
1959 | * Prepares the io_request frame for rw/non-rw io cmds for syspds | |
1960 | */ | |
1961 | static void | |
1962 | megasas_build_syspd_fusion(struct megasas_instance *instance, | |
1963 | struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, u8 fp_possible) | |
1964 | { | |
1965 | u32 device_id; | |
1966 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request; | |
1967 | u16 pd_index = 0; | |
1968 | u16 os_timeout_value; | |
1969 | u16 timeout_limit; | |
1970 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
1971 | struct RAID_CONTEXT *pRAID_Context; | |
3761cb4c | 1972 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; |
4a5c814d | 1973 | struct fusion_context *fusion = instance->ctrl_context; |
3761cb4c | 1974 | pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1]; |
4a5c814d SS |
1975 | |
1976 | device_id = MEGASAS_DEV_INDEX(scmd); | |
1977 | pd_index = MEGASAS_PD_INDEX(scmd); | |
1978 | os_timeout_value = scmd->request->timeout / HZ; | |
21c9e160 | 1979 | |
4a5c814d SS |
1980 | io_request = cmd->io_request; |
1981 | /* get RAID_Context pointer */ | |
1982 | pRAID_Context = &io_request->RaidContext; | |
3761cb4c | 1983 | pRAID_Context->regLockFlags = 0; |
1984 | pRAID_Context->regLockRowLBA = 0; | |
1985 | pRAID_Context->regLockLength = 0; | |
4a5c814d SS |
1986 | io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
1987 | io_request->LUN[1] = scmd->device->lun; | |
1988 | pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD | |
1989 | << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT; | |
1990 | ||
3761cb4c | 1991 | /* If FW supports PD sequence number */ |
1992 | if (instance->use_seqnum_jbod_fp && | |
1993 | instance->pd_list[pd_index].driveType == TYPE_DISK) { | |
1994 | /* TgtId must be incremented by 255 as jbod seq number is index | |
1995 | * below raid map | |
1996 | */ | |
1997 | pRAID_Context->VirtualDiskTgtId = | |
1998 | cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1)); | |
1999 | pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum; | |
2000 | io_request->DevHandle = pd_sync->seq[pd_index].devHandle; | |
2001 | pRAID_Context->regLockFlags |= | |
2002 | (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA); | |
2003 | } else if (fusion->fast_path_io) { | |
2004 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
2005 | pRAID_Context->configSeqNum = 0; | |
2006 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; | |
2007 | io_request->DevHandle = | |
2008 | local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl; | |
2009 | } else { | |
2010 | /* Want to send all IO via FW path */ | |
2011 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); | |
2012 | pRAID_Context->configSeqNum = 0; | |
9fb74c4e | 2013 | io_request->DevHandle = cpu_to_le16(0xFFFF); |
3761cb4c | 2014 | } |
4a5c814d SS |
2015 | |
2016 | cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle; | |
2017 | cmd->request_desc->SCSIIO.MSIxIndex = | |
2018 | instance->msix_vectors ? | |
2019 | (raw_smp_processor_id() % instance->msix_vectors) : 0; | |
2020 | ||
2021 | ||
2022 | if (!fp_possible) { | |
2023 | /* system pd firmware path */ | |
9c915a8c | 2024 | io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; |
9c915a8c AR |
2025 | cmd->request_desc->SCSIIO.RequestFlags = |
2026 | (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
4a5c814d SS |
2027 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
2028 | pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value); | |
3761cb4c | 2029 | pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id); |
4a5c814d SS |
2030 | } else { |
2031 | /* system pd Fast Path */ | |
2032 | io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4a5c814d SS |
2033 | timeout_limit = (scmd->device->type == TYPE_DISK) ? |
2034 | 255 : 0xFFFF; | |
2035 | pRAID_Context->timeoutValue = | |
2036 | cpu_to_le16((os_timeout_value > timeout_limit) ? | |
2037 | timeout_limit : os_timeout_value); | |
5a8cb85b | 2038 | if (fusion->adapter_type == INVADER_SERIES) { |
4a5c814d SS |
2039 | pRAID_Context->Type = MPI2_TYPE_CUDA; |
2040 | pRAID_Context->nseg = 0x1; | |
2041 | io_request->IoFlags |= | |
2042 | cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); | |
2043 | } | |
2044 | cmd->request_desc->SCSIIO.RequestFlags = | |
2c048351 | 2045 | (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << |
4a5c814d | 2046 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); |
9c915a8c | 2047 | } |
9c915a8c AR |
2048 | } |
2049 | ||
2050 | /** | |
2051 | * megasas_build_io_fusion - Prepares IOs to devices | |
2052 | * @instance: Adapter soft state | |
2053 | * @scp: SCSI command | |
2054 | * @cmd: Command to be prepared | |
2055 | * | |
2056 | * Invokes helper functions to prepare request frames | |
2057 | * and sets flags appropriate for IO/Non-IO cmd | |
2058 | */ | |
2059 | int | |
2060 | megasas_build_io_fusion(struct megasas_instance *instance, | |
2061 | struct scsi_cmnd *scp, | |
2062 | struct megasas_cmd_fusion *cmd) | |
2063 | { | |
bd5f9484 | 2064 | u16 sge_count; |
4a5c814d | 2065 | u8 cmd_type; |
9c915a8c AR |
2066 | struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request; |
2067 | ||
9c915a8c | 2068 | /* Zero out some fields so they don't get reused */ |
9cb78c16 | 2069 | memset(io_request->LUN, 0x0, 8); |
9c915a8c AR |
2070 | io_request->CDB.EEDP32.PrimaryReferenceTag = 0; |
2071 | io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; | |
2072 | io_request->EEDPFlags = 0; | |
2073 | io_request->Control = 0; | |
2074 | io_request->EEDPBlockSize = 0; | |
36807e67 | 2075 | io_request->ChainOffset = 0; |
9c915a8c | 2076 | io_request->RaidContext.RAIDFlags = 0; |
36807e67 AR |
2077 | io_request->RaidContext.Type = 0; |
2078 | io_request->RaidContext.nseg = 0; | |
9c915a8c AR |
2079 | |
2080 | memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); | |
2081 | /* | |
2082 | * Just the CDB length,rest of the Flags are zero | |
2083 | * This will be modified for FP in build_ldio_fusion | |
2084 | */ | |
94cd65dd | 2085 | io_request->IoFlags = cpu_to_le16(scp->cmd_len); |
9c915a8c | 2086 | |
4a5c814d SS |
2087 | switch (cmd_type = megasas_cmd_type(scp)) { |
2088 | case READ_WRITE_LDIO: | |
9c915a8c | 2089 | megasas_build_ldio_fusion(instance, scp, cmd); |
4a5c814d SS |
2090 | break; |
2091 | case NON_READ_WRITE_LDIO: | |
2092 | megasas_build_ld_nonrw_fusion(instance, scp, cmd); | |
2093 | break; | |
2094 | case READ_WRITE_SYSPDIO: | |
2095 | case NON_READ_WRITE_SYSPDIO: | |
2096 | if (instance->secure_jbod_support && | |
2097 | (cmd_type == NON_READ_WRITE_SYSPDIO)) | |
2098 | megasas_build_syspd_fusion(instance, scp, cmd, 0); | |
2099 | else | |
2100 | megasas_build_syspd_fusion(instance, scp, cmd, 1); | |
2101 | break; | |
2102 | default: | |
2103 | break; | |
2104 | } | |
9c915a8c AR |
2105 | |
2106 | /* | |
2107 | * Construct SGL | |
2108 | */ | |
2109 | ||
2110 | sge_count = | |
2111 | megasas_make_sgl_fusion(instance, scp, | |
2112 | (struct MPI25_IEEE_SGE_CHAIN64 *) | |
2113 | &io_request->SGL, cmd); | |
2114 | ||
2115 | if (sge_count > instance->max_num_sge) { | |
1be18254 | 2116 | dev_err(&instance->pdev->dev, "Error. sge_count (0x%x) exceeds " |
9c915a8c AR |
2117 | "max (0x%x) allowed\n", sge_count, |
2118 | instance->max_num_sge); | |
2119 | return 1; | |
2120 | } | |
2121 | ||
bd5f9484 | 2122 | /* numSGE store lower 8 bit of sge_count. |
2123 | * numSGEExt store higher 8 bit of sge_count | |
2124 | */ | |
9c915a8c | 2125 | io_request->RaidContext.numSGE = sge_count; |
bd5f9484 | 2126 | io_request->RaidContext.numSGEExt = (u8)(sge_count >> 8); |
9c915a8c | 2127 | |
94cd65dd | 2128 | io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING); |
9c915a8c AR |
2129 | |
2130 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
94cd65dd | 2131 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE); |
9c915a8c | 2132 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) |
94cd65dd | 2133 | io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ); |
9c915a8c AR |
2134 | |
2135 | io_request->SGLOffset0 = | |
2136 | offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4; | |
2137 | ||
94cd65dd | 2138 | io_request->SenseBufferLowAddress = cpu_to_le32(cmd->sense_phys_addr); |
9c915a8c AR |
2139 | io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
2140 | ||
2141 | cmd->scmd = scp; | |
2142 | scp->SCp.ptr = (char *)cmd; | |
2143 | ||
2144 | return 0; | |
2145 | } | |
2146 | ||
2147 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2148 | megasas_get_request_descriptor(struct megasas_instance *instance, u16 index) | |
2149 | { | |
2150 | u8 *p; | |
2151 | struct fusion_context *fusion; | |
2152 | ||
2153 | if (index >= instance->max_fw_cmds) { | |
1be18254 | 2154 | dev_err(&instance->pdev->dev, "Invalid SMID (0x%x)request for " |
229fe47c AR |
2155 | "descriptor for scsi%d\n", index, |
2156 | instance->host->host_no); | |
9c915a8c AR |
2157 | return NULL; |
2158 | } | |
2159 | fusion = instance->ctrl_context; | |
2160 | p = fusion->req_frames_desc | |
2161 | +sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *index; | |
2162 | ||
2163 | return (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)p; | |
2164 | } | |
2165 | ||
2166 | /** | |
2167 | * megasas_build_and_issue_cmd_fusion -Main routine for building and | |
2168 | * issuing non IOCTL cmd | |
2169 | * @instance: Adapter soft state | |
2170 | * @scmd: pointer to scsi cmd from OS | |
2171 | */ | |
2172 | static u32 | |
2173 | megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, | |
2174 | struct scsi_cmnd *scmd) | |
2175 | { | |
2176 | struct megasas_cmd_fusion *cmd; | |
2177 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2178 | u32 index; | |
2179 | struct fusion_context *fusion; | |
2180 | ||
2181 | fusion = instance->ctrl_context; | |
2182 | ||
308ec459 SS |
2183 | if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) && |
2184 | instance->ldio_threshold && | |
2185 | (atomic_inc_return(&instance->ldio_outstanding) > | |
2186 | instance->ldio_threshold)) { | |
2187 | atomic_dec(&instance->ldio_outstanding); | |
2188 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
2189 | } | |
2190 | ||
4026e9aa | 2191 | cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); |
9c915a8c AR |
2192 | |
2193 | index = cmd->index; | |
2194 | ||
2195 | req_desc = megasas_get_request_descriptor(instance, index-1); | |
2196 | if (!req_desc) | |
f9a9dee6 | 2197 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c AR |
2198 | |
2199 | req_desc->Words = 0; | |
2200 | cmd->request_desc = req_desc; | |
9c915a8c AR |
2201 | |
2202 | if (megasas_build_io_fusion(instance, scmd, cmd)) { | |
2203 | megasas_return_cmd_fusion(instance, cmd); | |
1be18254 | 2204 | dev_err(&instance->pdev->dev, "Error building command\n"); |
9c915a8c | 2205 | cmd->request_desc = NULL; |
f9a9dee6 | 2206 | return SCSI_MLQUEUE_HOST_BUSY; |
9c915a8c AR |
2207 | } |
2208 | ||
2209 | req_desc = cmd->request_desc; | |
94cd65dd | 2210 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
2211 | |
2212 | if (cmd->io_request->ChainOffset != 0 && | |
2213 | cmd->io_request->ChainOffset != 0xF) | |
1be18254 | 2214 | dev_err(&instance->pdev->dev, "The chain offset value is not " |
9c915a8c AR |
2215 | "correct : %x\n", cmd->io_request->ChainOffset); |
2216 | ||
2217 | /* | |
2218 | * Issue the command to the FW | |
2219 | */ | |
2220 | atomic_inc(&instance->fw_outstanding); | |
2221 | ||
01d7f03b | 2222 | megasas_fire_cmd_fusion(instance, req_desc); |
9c915a8c AR |
2223 | |
2224 | return 0; | |
2225 | } | |
2226 | ||
2227 | /** | |
2228 | * complete_cmd_fusion - Completes command | |
2229 | * @instance: Adapter soft state | |
2230 | * Completes all commands that is in reply descriptor queue | |
2231 | */ | |
2232 | int | |
c8e858fe | 2233 | complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) |
9c915a8c AR |
2234 | { |
2235 | union MPI2_REPLY_DESCRIPTORS_UNION *desc; | |
2236 | struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc; | |
2237 | struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req; | |
2238 | struct fusion_context *fusion; | |
2239 | struct megasas_cmd *cmd_mfi; | |
2240 | struct megasas_cmd_fusion *cmd_fusion; | |
2241 | u16 smid, num_completed; | |
d2552ebe | 2242 | u8 reply_descript_type; |
9c915a8c AR |
2243 | u32 status, extStatus, device_id; |
2244 | union desc_value d_val; | |
2245 | struct LD_LOAD_BALANCE_INFO *lbinfo; | |
db4fc864 | 2246 | int threshold_reply_count = 0; |
4026e9aa | 2247 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 SS |
2248 | struct MR_TASK_MANAGE_REQUEST *mr_tm_req; |
2249 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_tm_req; | |
9c915a8c AR |
2250 | |
2251 | fusion = instance->ctrl_context; | |
2252 | ||
8a01a41d | 2253 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
9c915a8c AR |
2254 | return IRQ_HANDLED; |
2255 | ||
179ac142 SS |
2256 | desc = fusion->reply_frames_desc[MSIxIndex] + |
2257 | fusion->last_reply_idx[MSIxIndex]; | |
9c915a8c AR |
2258 | |
2259 | reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2260 | ||
2261 | d_val.word = desc->Words; | |
2262 | ||
2263 | reply_descript_type = reply_desc->ReplyFlags & | |
2264 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2265 | ||
2266 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2267 | return IRQ_NONE; | |
2268 | ||
9c915a8c AR |
2269 | num_completed = 0; |
2270 | ||
c6f5bf81 CH |
2271 | while (d_val.u.low != cpu_to_le32(UINT_MAX) && |
2272 | d_val.u.high != cpu_to_le32(UINT_MAX)) { | |
94cd65dd | 2273 | smid = le16_to_cpu(reply_desc->SMID); |
9c915a8c AR |
2274 | |
2275 | cmd_fusion = fusion->cmd_list[smid - 1]; | |
2276 | ||
2277 | scsi_io_req = | |
2278 | (struct MPI2_RAID_SCSI_IO_REQUEST *) | |
2279 | cmd_fusion->io_request; | |
2280 | ||
2281 | if (cmd_fusion->scmd) | |
2282 | cmd_fusion->scmd->SCp.ptr = NULL; | |
2283 | ||
4026e9aa | 2284 | scmd_local = cmd_fusion->scmd; |
9c915a8c AR |
2285 | status = scsi_io_req->RaidContext.status; |
2286 | extStatus = scsi_io_req->RaidContext.exStatus; | |
2287 | ||
2288 | switch (scsi_io_req->Function) { | |
18365b13 SS |
2289 | case MPI2_FUNCTION_SCSI_TASK_MGMT: |
2290 | mr_tm_req = (struct MR_TASK_MANAGE_REQUEST *) | |
2291 | cmd_fusion->io_request; | |
2292 | mpi_tm_req = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) | |
2293 | &mr_tm_req->TmRequest; | |
2294 | dev_dbg(&instance->pdev->dev, "TM completion:" | |
2295 | "type: 0x%x TaskMID: 0x%x\n", | |
2296 | mpi_tm_req->TaskType, mpi_tm_req->TaskMID); | |
2297 | complete(&cmd_fusion->done); | |
2298 | break; | |
9c915a8c AR |
2299 | case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ |
2300 | /* Update load balancing info */ | |
4026e9aa | 2301 | device_id = MEGASAS_DEV_INDEX(scmd_local); |
9c915a8c AR |
2302 | lbinfo = &fusion->load_balance_info[device_id]; |
2303 | if (cmd_fusion->scmd->SCp.Status & | |
2304 | MEGASAS_LOAD_BALANCE_FLAG) { | |
d2552ebe | 2305 | atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); |
9c915a8c AR |
2306 | cmd_fusion->scmd->SCp.Status &= |
2307 | ~MEGASAS_LOAD_BALANCE_FLAG; | |
2308 | } | |
2309 | if (reply_descript_type == | |
2310 | MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) { | |
2311 | if (megasas_dbg_lvl == 5) | |
1be18254 | 2312 | dev_err(&instance->pdev->dev, "\nFAST Path " |
9c915a8c AR |
2313 | "IO Success\n"); |
2314 | } | |
2315 | /* Fall thru and complete IO */ | |
2316 | case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ | |
2317 | /* Map the FW Cmd Status */ | |
2318 | map_cmd_status(cmd_fusion, status, extStatus); | |
9c915a8c AR |
2319 | scsi_io_req->RaidContext.status = 0; |
2320 | scsi_io_req->RaidContext.exStatus = 0; | |
308ec459 SS |
2321 | if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) |
2322 | atomic_dec(&instance->ldio_outstanding); | |
9c915a8c | 2323 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
2324 | scsi_dma_unmap(scmd_local); |
2325 | scmd_local->scsi_done(scmd_local); | |
9c915a8c AR |
2326 | atomic_dec(&instance->fw_outstanding); |
2327 | ||
2328 | break; | |
2329 | case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */ | |
2330 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
90dc9d98 | 2331 | |
4026e9aa SS |
2332 | /* Poll mode. Dummy free. |
2333 | * In case of Interrupt mode, caller has reverse check. | |
2334 | */ | |
2335 | if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { | |
2336 | cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; | |
2337 | megasas_return_cmd(instance, cmd_mfi); | |
2338 | } else | |
2339 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
9c915a8c AR |
2340 | break; |
2341 | } | |
2342 | ||
c8e858fe AR |
2343 | fusion->last_reply_idx[MSIxIndex]++; |
2344 | if (fusion->last_reply_idx[MSIxIndex] >= | |
2345 | fusion->reply_q_depth) | |
2346 | fusion->last_reply_idx[MSIxIndex] = 0; | |
9c915a8c | 2347 | |
c6f5bf81 | 2348 | desc->Words = cpu_to_le64(ULLONG_MAX); |
9c915a8c | 2349 | num_completed++; |
db4fc864 | 2350 | threshold_reply_count++; |
9c915a8c AR |
2351 | |
2352 | /* Get the next reply descriptor */ | |
c8e858fe | 2353 | if (!fusion->last_reply_idx[MSIxIndex]) |
179ac142 | 2354 | desc = fusion->reply_frames_desc[MSIxIndex]; |
9c915a8c AR |
2355 | else |
2356 | desc++; | |
2357 | ||
2358 | reply_desc = | |
2359 | (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; | |
2360 | ||
2361 | d_val.word = desc->Words; | |
2362 | ||
2363 | reply_descript_type = reply_desc->ReplyFlags & | |
2364 | MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; | |
2365 | ||
2366 | if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) | |
2367 | break; | |
db4fc864 SS |
2368 | /* |
2369 | * Write to reply post host index register after completing threshold | |
2370 | * number of reply counts and still there are more replies in reply queue | |
2371 | * pending to be completed | |
2372 | */ | |
2373 | if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) { | |
5a8cb85b | 2374 | if (fusion->adapter_type == INVADER_SERIES) |
db4fc864 SS |
2375 | writel(((MSIxIndex & 0x7) << 24) | |
2376 | fusion->last_reply_idx[MSIxIndex], | |
2377 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2378 | else | |
2379 | writel((MSIxIndex << 24) | | |
2380 | fusion->last_reply_idx[MSIxIndex], | |
2381 | instance->reply_post_host_index_addr[0]); | |
2382 | threshold_reply_count = 0; | |
2383 | } | |
9c915a8c AR |
2384 | } |
2385 | ||
2386 | if (!num_completed) | |
2387 | return IRQ_NONE; | |
2388 | ||
2389 | wmb(); | |
5a8cb85b | 2390 | if (fusion->adapter_type == INVADER_SERIES) |
d46a3ad6 SS |
2391 | writel(((MSIxIndex & 0x7) << 24) | |
2392 | fusion->last_reply_idx[MSIxIndex], | |
2393 | instance->reply_post_host_index_addr[MSIxIndex/8]); | |
2394 | else | |
2395 | writel((MSIxIndex << 24) | | |
2396 | fusion->last_reply_idx[MSIxIndex], | |
2397 | instance->reply_post_host_index_addr[0]); | |
53ef2bbd | 2398 | megasas_check_and_restore_queue_depth(instance); |
9c915a8c AR |
2399 | return IRQ_HANDLED; |
2400 | } | |
2401 | ||
2402 | /** | |
2403 | * megasas_complete_cmd_dpc_fusion - Completes command | |
2404 | * @instance: Adapter soft state | |
2405 | * | |
2406 | * Tasklet to complete cmds | |
2407 | */ | |
2408 | void | |
2409 | megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) | |
2410 | { | |
2411 | struct megasas_instance *instance = | |
2412 | (struct megasas_instance *)instance_addr; | |
2413 | unsigned long flags; | |
c8e858fe AR |
2414 | u32 count, MSIxIndex; |
2415 | ||
2416 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; | |
9c915a8c AR |
2417 | |
2418 | /* If we have already declared adapter dead, donot complete cmds */ | |
2419 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 2420 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
9c915a8c AR |
2421 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
2422 | return; | |
2423 | } | |
2424 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2425 | ||
c8e858fe AR |
2426 | for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) |
2427 | complete_cmd_fusion(instance, MSIxIndex); | |
9c915a8c AR |
2428 | } |
2429 | ||
2430 | /** | |
2431 | * megasas_isr_fusion - isr entry point | |
2432 | */ | |
2433 | irqreturn_t megasas_isr_fusion(int irq, void *devp) | |
2434 | { | |
c8e858fe AR |
2435 | struct megasas_irq_context *irq_context = devp; |
2436 | struct megasas_instance *instance = irq_context->instance; | |
fc62b3fc | 2437 | u32 mfiStatus, fw_state, dma_state; |
9c915a8c | 2438 | |
d46a3ad6 SS |
2439 | if (instance->mask_interrupts) |
2440 | return IRQ_NONE; | |
2441 | ||
c8e858fe | 2442 | if (!instance->msix_vectors) { |
9c915a8c AR |
2443 | mfiStatus = instance->instancet->clear_intr(instance->reg_set); |
2444 | if (!mfiStatus) | |
2445 | return IRQ_NONE; | |
2446 | } | |
2447 | ||
2448 | /* If we are resetting, bail */ | |
6497b247 AR |
2449 | if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) { |
2450 | instance->instancet->clear_intr(instance->reg_set); | |
9c915a8c | 2451 | return IRQ_HANDLED; |
6497b247 | 2452 | } |
9c915a8c | 2453 | |
c8e858fe | 2454 | if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) { |
6497b247 | 2455 | instance->instancet->clear_intr(instance->reg_set); |
9c915a8c AR |
2456 | /* If we didn't complete any commands, check for FW fault */ |
2457 | fw_state = instance->instancet->read_fw_status_reg( | |
2458 | instance->reg_set) & MFI_STATE_MASK; | |
fc62b3fc SS |
2459 | dma_state = instance->instancet->read_fw_status_reg |
2460 | (instance->reg_set) & MFI_STATE_DMADONE; | |
2461 | if (instance->crash_dump_drv_support && | |
2462 | instance->crash_dump_app_support) { | |
2463 | /* Start collecting crash, if DMA bit is done */ | |
2464 | if ((fw_state == MFI_STATE_FAULT) && dma_state) | |
2465 | schedule_work(&instance->crash_init); | |
2466 | else if (fw_state == MFI_STATE_FAULT) | |
2467 | schedule_work(&instance->work_init); | |
2468 | } else if (fw_state == MFI_STATE_FAULT) { | |
1be18254 | 2469 | dev_warn(&instance->pdev->dev, "Iop2SysDoorbellInt" |
229fe47c | 2470 | "for scsi%d\n", instance->host->host_no); |
9c915a8c | 2471 | schedule_work(&instance->work_init); |
229fe47c | 2472 | } |
9c915a8c AR |
2473 | } |
2474 | ||
2475 | return IRQ_HANDLED; | |
2476 | } | |
2477 | ||
2478 | /** | |
2479 | * build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru | |
2480 | * @instance: Adapter soft state | |
2481 | * mfi_cmd: megasas_cmd pointer | |
2482 | * | |
2483 | */ | |
2484 | u8 | |
2485 | build_mpt_mfi_pass_thru(struct megasas_instance *instance, | |
2486 | struct megasas_cmd *mfi_cmd) | |
2487 | { | |
2488 | struct MPI25_IEEE_SGE_CHAIN64 *mpi25_ieee_chain; | |
2489 | struct MPI2_RAID_SCSI_IO_REQUEST *io_req; | |
2490 | struct megasas_cmd_fusion *cmd; | |
2491 | struct fusion_context *fusion; | |
2492 | struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr; | |
2493 | ||
4026e9aa SS |
2494 | fusion = instance->ctrl_context; |
2495 | ||
2496 | cmd = megasas_get_cmd_fusion(instance, | |
2497 | instance->max_scsi_cmds + mfi_cmd->index); | |
9c915a8c AR |
2498 | |
2499 | /* Save the smid. To be used for returning the cmd */ | |
2500 | mfi_cmd->context.smid = cmd->index; | |
90dc9d98 | 2501 | |
9c915a8c AR |
2502 | /* |
2503 | * For cmds where the flag is set, store the flag and check | |
2504 | * on completion. For cmds with this flag, don't call | |
2505 | * megasas_complete_cmd | |
2506 | */ | |
2507 | ||
6e755ddc | 2508 | if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)) |
4026e9aa | 2509 | mfi_cmd->flags |= DRV_DCMD_POLLED_MODE; |
9c915a8c | 2510 | |
9c915a8c | 2511 | io_req = cmd->io_request; |
36807e67 | 2512 | |
5a8cb85b | 2513 | if (fusion->adapter_type == INVADER_SERIES) { |
36807e67 AR |
2514 | struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = |
2515 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; | |
2516 | sgl_ptr_end += fusion->max_sge_in_main_msg - 1; | |
2517 | sgl_ptr_end->Flags = 0; | |
2518 | } | |
2519 | ||
9c915a8c AR |
2520 | mpi25_ieee_chain = |
2521 | (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; | |
2522 | ||
2523 | io_req->Function = MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST; | |
2524 | io_req->SGLOffset0 = offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, | |
2525 | SGL) / 4; | |
2526 | io_req->ChainOffset = fusion->chain_offset_mfi_pthru; | |
2527 | ||
94cd65dd | 2528 | mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr); |
9c915a8c AR |
2529 | |
2530 | mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | | |
2531 | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; | |
2532 | ||
bd5f9484 | 2533 | mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz); |
9c915a8c AR |
2534 | |
2535 | return 0; | |
2536 | } | |
2537 | ||
2538 | /** | |
2539 | * build_mpt_cmd - Calls helper function to build a cmd MFI Pass thru cmd | |
2540 | * @instance: Adapter soft state | |
2541 | * @cmd: mfi cmd to build | |
2542 | * | |
2543 | */ | |
2544 | union MEGASAS_REQUEST_DESCRIPTOR_UNION * | |
2545 | build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2546 | { | |
2547 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2548 | u16 index; | |
2549 | ||
2550 | if (build_mpt_mfi_pass_thru(instance, cmd)) { | |
1be18254 | 2551 | dev_err(&instance->pdev->dev, "Couldn't build MFI pass thru cmd\n"); |
9c915a8c AR |
2552 | return NULL; |
2553 | } | |
2554 | ||
2555 | index = cmd->context.smid; | |
2556 | ||
2557 | req_desc = megasas_get_request_descriptor(instance, index - 1); | |
2558 | ||
2559 | if (!req_desc) | |
2560 | return NULL; | |
2561 | ||
2562 | req_desc->Words = 0; | |
2563 | req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << | |
2564 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
2565 | ||
94cd65dd | 2566 | req_desc->SCSIIO.SMID = cpu_to_le16(index); |
9c915a8c AR |
2567 | |
2568 | return req_desc; | |
2569 | } | |
2570 | ||
2571 | /** | |
2572 | * megasas_issue_dcmd_fusion - Issues a MFI Pass thru cmd | |
2573 | * @instance: Adapter soft state | |
2574 | * @cmd: mfi cmd pointer | |
2575 | * | |
2576 | */ | |
6d40afbc | 2577 | int |
9c915a8c AR |
2578 | megasas_issue_dcmd_fusion(struct megasas_instance *instance, |
2579 | struct megasas_cmd *cmd) | |
2580 | { | |
2581 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
9c915a8c AR |
2582 | |
2583 | req_desc = build_mpt_cmd(instance, cmd); | |
2584 | if (!req_desc) { | |
6d40afbc SS |
2585 | dev_info(&instance->pdev->dev, "Failed from %s %d\n", |
2586 | __func__, __LINE__); | |
2587 | return DCMD_NOT_FIRED; | |
9c915a8c | 2588 | } |
6d40afbc | 2589 | |
01d7f03b | 2590 | megasas_fire_cmd_fusion(instance, req_desc); |
6d40afbc | 2591 | return DCMD_SUCCESS; |
9c915a8c AR |
2592 | } |
2593 | ||
2594 | /** | |
2595 | * megasas_release_fusion - Reverses the FW initialization | |
4b63b286 | 2596 | * @instance: Adapter soft state |
9c915a8c AR |
2597 | */ |
2598 | void | |
2599 | megasas_release_fusion(struct megasas_instance *instance) | |
2600 | { | |
2601 | megasas_free_cmds(instance); | |
2602 | megasas_free_cmds_fusion(instance); | |
2603 | ||
2604 | iounmap(instance->reg_set); | |
2605 | ||
e7f85168 | 2606 | pci_release_selected_regions(instance->pdev, 1<<instance->bar); |
9c915a8c AR |
2607 | } |
2608 | ||
2609 | /** | |
2610 | * megasas_read_fw_status_reg_fusion - returns the current FW status value | |
2611 | * @regs: MFI register set | |
2612 | */ | |
2613 | static u32 | |
2614 | megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs) | |
2615 | { | |
2616 | return readl(&(regs)->outbound_scratch_pad); | |
2617 | } | |
2618 | ||
fc62b3fc SS |
2619 | /** |
2620 | * megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2621 | * @instance: Controller's soft instance | |
2622 | * return: Number of allocated host crash buffers | |
2623 | */ | |
2624 | static void | |
2625 | megasas_alloc_host_crash_buffer(struct megasas_instance *instance) | |
2626 | { | |
2627 | unsigned int i; | |
2628 | ||
2629 | instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE); | |
2630 | for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { | |
2631 | instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL, | |
2632 | instance->crash_buf_pages); | |
2633 | if (!instance->crash_buf[i]) { | |
2634 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
2635 | "memory allocation failed at index %d\n", i); | |
2636 | break; | |
2637 | } | |
d009b576 SS |
2638 | memset(instance->crash_buf[i], 0, |
2639 | ((1 << PAGE_SHIFT) << instance->crash_buf_pages)); | |
fc62b3fc SS |
2640 | } |
2641 | instance->drv_buf_alloc = i; | |
2642 | } | |
2643 | ||
2644 | /** | |
2645 | * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware | |
2646 | * @instance: Controller's soft instance | |
2647 | */ | |
2648 | void | |
2649 | megasas_free_host_crash_buffer(struct megasas_instance *instance) | |
2650 | { | |
2651 | unsigned int i | |
2652 | ; | |
2653 | for (i = 0; i < instance->drv_buf_alloc; i++) { | |
2654 | if (instance->crash_buf[i]) | |
2655 | free_pages((ulong)instance->crash_buf[i], | |
2656 | instance->crash_buf_pages); | |
2657 | } | |
2658 | instance->drv_buf_index = 0; | |
2659 | instance->drv_buf_alloc = 0; | |
2660 | instance->fw_crash_state = UNAVAILABLE; | |
2661 | instance->fw_crash_buffer_size = 0; | |
2662 | } | |
2663 | ||
9c915a8c AR |
2664 | /** |
2665 | * megasas_adp_reset_fusion - For controller reset | |
2666 | * @regs: MFI register set | |
2667 | */ | |
2668 | static int | |
2669 | megasas_adp_reset_fusion(struct megasas_instance *instance, | |
2670 | struct megasas_register_set __iomem *regs) | |
2671 | { | |
79b82c2c | 2672 | u32 host_diag, abs_state, retry; |
2673 | ||
2674 | /* Now try to reset the chip */ | |
2675 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2676 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2677 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2678 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2679 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2680 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2681 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset); | |
2682 | ||
2683 | /* Check that the diag write enable (DRWE) bit is on */ | |
2684 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2685 | retry = 0; | |
2686 | while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { | |
2687 | msleep(100); | |
2688 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2689 | if (retry++ == 100) { | |
2690 | dev_warn(&instance->pdev->dev, | |
2691 | "Host diag unlock failed from %s %d\n", | |
2692 | __func__, __LINE__); | |
2693 | break; | |
2694 | } | |
2695 | } | |
2696 | if (!(host_diag & HOST_DIAG_WRITE_ENABLE)) | |
2697 | return -1; | |
2698 | ||
2699 | /* Send chip reset command */ | |
2700 | writel(host_diag | HOST_DIAG_RESET_ADAPTER, | |
2701 | &instance->reg_set->fusion_host_diag); | |
2702 | msleep(3000); | |
2703 | ||
2704 | /* Make sure reset adapter bit is cleared */ | |
2705 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2706 | retry = 0; | |
2707 | while (host_diag & HOST_DIAG_RESET_ADAPTER) { | |
2708 | msleep(100); | |
2709 | host_diag = readl(&instance->reg_set->fusion_host_diag); | |
2710 | if (retry++ == 1000) { | |
2711 | dev_warn(&instance->pdev->dev, | |
2712 | "Diag reset adapter never cleared %s %d\n", | |
2713 | __func__, __LINE__); | |
2714 | break; | |
2715 | } | |
2716 | } | |
2717 | if (host_diag & HOST_DIAG_RESET_ADAPTER) | |
2718 | return -1; | |
2719 | ||
2720 | abs_state = instance->instancet->read_fw_status_reg(instance->reg_set) | |
2721 | & MFI_STATE_MASK; | |
2722 | retry = 0; | |
2723 | ||
2724 | while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) { | |
2725 | msleep(100); | |
2726 | abs_state = instance->instancet-> | |
2727 | read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; | |
2728 | } | |
2729 | if (abs_state <= MFI_STATE_FW_INIT) { | |
2730 | dev_warn(&instance->pdev->dev, | |
2731 | "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n", | |
2732 | abs_state, __func__, __LINE__); | |
2733 | return -1; | |
2734 | } | |
2735 | ||
9c915a8c AR |
2736 | return 0; |
2737 | } | |
2738 | ||
2739 | /** | |
2740 | * megasas_check_reset_fusion - For controller reset check | |
2741 | * @regs: MFI register set | |
2742 | */ | |
2743 | static int | |
2744 | megasas_check_reset_fusion(struct megasas_instance *instance, | |
2745 | struct megasas_register_set __iomem *regs) | |
2746 | { | |
2747 | return 0; | |
2748 | } | |
2749 | ||
2750 | /* This function waits for outstanding commands on fusion to complete */ | |
229fe47c | 2751 | int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, |
6d40afbc | 2752 | int reason, int *convert) |
9c915a8c | 2753 | { |
229fe47c | 2754 | int i, outstanding, retval = 0, hb_seconds_missed = 0; |
c007b8b2 | 2755 | u32 fw_state; |
9c915a8c | 2756 | |
c007b8b2 | 2757 | for (i = 0; i < resetwaittime; i++) { |
9c915a8c AR |
2758 | /* Check if firmware is in fault state */ |
2759 | fw_state = instance->instancet->read_fw_status_reg( | |
2760 | instance->reg_set) & MFI_STATE_MASK; | |
2761 | if (fw_state == MFI_STATE_FAULT) { | |
1be18254 | 2762 | dev_warn(&instance->pdev->dev, "Found FW in FAULT state," |
229fe47c AR |
2763 | " will reset adapter scsi%d.\n", |
2764 | instance->host->host_no); | |
64d0b8e4 | 2765 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
229fe47c AR |
2766 | retval = 1; |
2767 | goto out; | |
2768 | } | |
6d40afbc SS |
2769 | |
2770 | if (reason == MFI_IO_TIMEOUT_OCR) { | |
2771 | dev_info(&instance->pdev->dev, | |
2772 | "MFI IO is timed out, initiating OCR\n"); | |
64d0b8e4 | 2773 | megasas_complete_cmd_dpc_fusion((unsigned long)instance); |
6d40afbc SS |
2774 | retval = 1; |
2775 | goto out; | |
2776 | } | |
2777 | ||
229fe47c | 2778 | /* If SR-IOV VF mode & heartbeat timeout, don't wait */ |
6d40afbc | 2779 | if (instance->requestorId && !reason) { |
9c915a8c AR |
2780 | retval = 1; |
2781 | goto out; | |
2782 | } | |
2783 | ||
229fe47c | 2784 | /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ |
6d40afbc | 2785 | if (instance->requestorId && reason) { |
229fe47c AR |
2786 | if (instance->hb_host_mem->HB.fwCounter != |
2787 | instance->hb_host_mem->HB.driverCounter) { | |
2788 | instance->hb_host_mem->HB.driverCounter = | |
2789 | instance->hb_host_mem->HB.fwCounter; | |
2790 | hb_seconds_missed = 0; | |
2791 | } else { | |
2792 | hb_seconds_missed++; | |
2793 | if (hb_seconds_missed == | |
2794 | (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) { | |
1be18254 | 2795 | dev_warn(&instance->pdev->dev, "SR-IOV:" |
229fe47c AR |
2796 | " Heartbeat never completed " |
2797 | " while polling during I/O " | |
2798 | " timeout handling for " | |
2799 | "scsi%d.\n", | |
2800 | instance->host->host_no); | |
2801 | *convert = 1; | |
2802 | retval = 1; | |
2803 | goto out; | |
2804 | } | |
2805 | } | |
2806 | } | |
2807 | ||
9c915a8c AR |
2808 | outstanding = atomic_read(&instance->fw_outstanding); |
2809 | if (!outstanding) | |
2810 | goto out; | |
2811 | ||
2812 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 2813 | dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " |
229fe47c AR |
2814 | "commands to complete for scsi%d\n", i, |
2815 | outstanding, instance->host->host_no); | |
9c915a8c AR |
2816 | megasas_complete_cmd_dpc_fusion( |
2817 | (unsigned long)instance); | |
2818 | } | |
2819 | msleep(1000); | |
2820 | } | |
2821 | ||
2822 | if (atomic_read(&instance->fw_outstanding)) { | |
1be18254 | 2823 | dev_err(&instance->pdev->dev, "pending commands remain after waiting, " |
229fe47c AR |
2824 | "will reset adapter scsi%d.\n", |
2825 | instance->host->host_no); | |
9c915a8c AR |
2826 | retval = 1; |
2827 | } | |
2828 | out: | |
2829 | return retval; | |
2830 | } | |
2831 | ||
2832 | void megasas_reset_reply_desc(struct megasas_instance *instance) | |
2833 | { | |
179ac142 | 2834 | int i, j, count; |
9c915a8c AR |
2835 | struct fusion_context *fusion; |
2836 | union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; | |
2837 | ||
2838 | fusion = instance->ctrl_context; | |
c8e858fe | 2839 | count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; |
179ac142 | 2840 | for (i = 0 ; i < count ; i++) { |
c8e858fe | 2841 | fusion->last_reply_idx[i] = 0; |
179ac142 SS |
2842 | reply_desc = fusion->reply_frames_desc[i]; |
2843 | for (j = 0 ; j < fusion->reply_q_depth; j++, reply_desc++) | |
2844 | reply_desc->Words = cpu_to_le64(ULLONG_MAX); | |
2845 | } | |
9c915a8c AR |
2846 | } |
2847 | ||
9b828182 SS |
2848 | /* |
2849 | * megasas_refire_mgmt_cmd : Re-fire management commands | |
2850 | * @instance: Controller's soft instance | |
2851 | */ | |
2852 | void megasas_refire_mgmt_cmd(struct megasas_instance *instance) | |
2853 | { | |
2854 | int j; | |
2855 | struct megasas_cmd_fusion *cmd_fusion; | |
2856 | struct fusion_context *fusion; | |
2857 | struct megasas_cmd *cmd_mfi; | |
2858 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
2859 | u16 smid; | |
6d40afbc | 2860 | bool refire_cmd = 0; |
9b828182 SS |
2861 | |
2862 | fusion = instance->ctrl_context; | |
2863 | ||
2864 | /* Re-fire management commands. | |
2865 | * Do not traverse complet MPT frame pool. Start from max_scsi_cmds. | |
2866 | */ | |
2867 | for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) { | |
2868 | cmd_fusion = fusion->cmd_list[j]; | |
2869 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
2870 | smid = le16_to_cpu(cmd_mfi->context.smid); | |
2871 | ||
2872 | if (!smid) | |
2873 | continue; | |
2874 | req_desc = megasas_get_request_descriptor | |
2875 | (instance, smid - 1); | |
6d40afbc | 2876 | refire_cmd = req_desc && ((cmd_mfi->frame->dcmd.opcode != |
3761cb4c | 2877 | cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) && |
2878 | (cmd_mfi->frame->dcmd.opcode != | |
6d40afbc SS |
2879 | cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO))) |
2880 | && !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE); | |
2881 | if (refire_cmd) | |
01d7f03b CH |
2882 | megasas_fire_cmd_fusion(instance, req_desc); |
2883 | else | |
9b828182 SS |
2884 | megasas_return_cmd(instance, cmd_mfi); |
2885 | } | |
9c915a8c AR |
2886 | } |
2887 | ||
18365b13 SS |
2888 | /* |
2889 | * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device | |
2890 | * @instance: per adapter struct | |
2891 | * @channel: the channel assigned by the OS | |
2892 | * @id: the id assigned by the OS | |
2893 | * | |
2894 | * Returns SUCCESS if no IOs pending to SCSI device, else return FAILED | |
2895 | */ | |
2896 | ||
2897 | static int megasas_track_scsiio(struct megasas_instance *instance, | |
2898 | int id, int channel) | |
2899 | { | |
2900 | int i, found = 0; | |
2901 | struct megasas_cmd_fusion *cmd_fusion; | |
2902 | struct fusion_context *fusion; | |
2903 | fusion = instance->ctrl_context; | |
2904 | ||
2905 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { | |
2906 | cmd_fusion = fusion->cmd_list[i]; | |
2907 | if (cmd_fusion->scmd && | |
2908 | (cmd_fusion->scmd->device->id == id && | |
2909 | cmd_fusion->scmd->device->channel == channel)) { | |
2910 | dev_info(&instance->pdev->dev, | |
2911 | "SCSI commands pending to target" | |
2912 | "channel %d id %d \tSMID: 0x%x\n", | |
2913 | channel, id, cmd_fusion->index); | |
2914 | scsi_print_command(cmd_fusion->scmd); | |
2915 | found = 1; | |
2916 | break; | |
2917 | } | |
2918 | } | |
2919 | ||
2920 | return found ? FAILED : SUCCESS; | |
2921 | } | |
2922 | ||
2923 | /** | |
2924 | * megasas_tm_response_code - translation of device response code | |
2925 | * @ioc: per adapter object | |
2926 | * @mpi_reply: MPI reply returned by firmware | |
2927 | * | |
2928 | * Return nothing. | |
2929 | */ | |
2930 | static void | |
2931 | megasas_tm_response_code(struct megasas_instance *instance, | |
2932 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) | |
2933 | { | |
2934 | char *desc; | |
2935 | ||
2936 | switch (mpi_reply->ResponseCode) { | |
2937 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
2938 | desc = "task management request completed"; | |
2939 | break; | |
2940 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
2941 | desc = "invalid frame"; | |
2942 | break; | |
2943 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
2944 | desc = "task management request not supported"; | |
2945 | break; | |
2946 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
2947 | desc = "task management request failed"; | |
2948 | break; | |
2949 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
2950 | desc = "task management request succeeded"; | |
2951 | break; | |
2952 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
2953 | desc = "invalid lun"; | |
2954 | break; | |
2955 | case 0xA: | |
2956 | desc = "overlapped tag attempted"; | |
2957 | break; | |
2958 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
2959 | desc = "task queued, however not sent to target"; | |
2960 | break; | |
2961 | default: | |
2962 | desc = "unknown"; | |
2963 | break; | |
2964 | } | |
2965 | dev_dbg(&instance->pdev->dev, "response_code(%01x): %s\n", | |
2966 | mpi_reply->ResponseCode, desc); | |
2967 | dev_dbg(&instance->pdev->dev, | |
2968 | "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo" | |
2969 | " 0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", | |
2970 | mpi_reply->TerminationCount, mpi_reply->DevHandle, | |
2971 | mpi_reply->Function, mpi_reply->TaskType, | |
2972 | mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); | |
2973 | } | |
2974 | ||
2975 | /** | |
2976 | * megasas_issue_tm - main routine for sending tm requests | |
2977 | * @instance: per adapter struct | |
2978 | * @device_handle: device handle | |
2979 | * @channel: the channel assigned by the OS | |
2980 | * @id: the id assigned by the OS | |
2981 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c) | |
2982 | * @smid_task: smid assigned to the task | |
2983 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF | |
2984 | * Context: user | |
2985 | * | |
2986 | * MegaRaid use MPT interface for Task Magement request. | |
2987 | * A generic API for sending task management requests to firmware. | |
2988 | * | |
2989 | * Return SUCCESS or FAILED. | |
2990 | */ | |
2991 | static int | |
2992 | megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, | |
2993 | uint channel, uint id, u16 smid_task, u8 type) | |
2994 | { | |
2995 | struct MR_TASK_MANAGE_REQUEST *mr_request; | |
2996 | struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_request; | |
2997 | unsigned long timeleft; | |
2998 | struct megasas_cmd_fusion *cmd_fusion; | |
2999 | struct megasas_cmd *cmd_mfi; | |
3000 | union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; | |
3001 | struct fusion_context *fusion; | |
3002 | struct megasas_cmd_fusion *scsi_lookup; | |
3003 | int rc; | |
3004 | struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; | |
3005 | ||
3006 | fusion = instance->ctrl_context; | |
3007 | ||
3008 | cmd_mfi = megasas_get_cmd(instance); | |
3009 | ||
3010 | if (!cmd_mfi) { | |
3011 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
3012 | __func__, __LINE__); | |
3013 | return -ENOMEM; | |
3014 | } | |
3015 | ||
3016 | cmd_fusion = megasas_get_cmd_fusion(instance, | |
3017 | instance->max_scsi_cmds + cmd_mfi->index); | |
3018 | ||
3019 | /* Save the smid. To be used for returning the cmd */ | |
3020 | cmd_mfi->context.smid = cmd_fusion->index; | |
3021 | ||
3022 | req_desc = megasas_get_request_descriptor(instance, | |
3023 | (cmd_fusion->index - 1)); | |
3024 | if (!req_desc) { | |
3025 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", | |
3026 | __func__, __LINE__); | |
3027 | megasas_return_cmd(instance, cmd_mfi); | |
3028 | return -ENOMEM; | |
3029 | } | |
3030 | ||
3031 | cmd_fusion->request_desc = req_desc; | |
3032 | req_desc->Words = 0; | |
3033 | ||
3034 | scsi_lookup = fusion->cmd_list[smid_task - 1]; | |
3035 | ||
3036 | mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; | |
3037 | memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); | |
3038 | mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; | |
3039 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
3040 | mpi_request->DevHandle = cpu_to_le16(device_handle); | |
3041 | mpi_request->TaskType = type; | |
3042 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
3043 | mpi_request->LUN[1] = 0; | |
3044 | ||
3045 | ||
3046 | req_desc = cmd_fusion->request_desc; | |
3047 | req_desc->HighPriority.SMID = cpu_to_le16(cmd_fusion->index); | |
3048 | req_desc->HighPriority.RequestFlags = | |
3049 | (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << | |
3050 | MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); | |
3051 | req_desc->HighPriority.MSIxIndex = 0; | |
3052 | req_desc->HighPriority.LMID = 0; | |
3053 | req_desc->HighPriority.Reserved1 = 0; | |
3054 | ||
3055 | if (channel < MEGASAS_MAX_PD_CHANNELS) | |
3056 | mr_request->tmReqFlags.isTMForPD = 1; | |
3057 | else | |
3058 | mr_request->tmReqFlags.isTMForLD = 1; | |
3059 | ||
3060 | init_completion(&cmd_fusion->done); | |
3061 | megasas_fire_cmd_fusion(instance, req_desc); | |
3062 | ||
3063 | timeleft = wait_for_completion_timeout(&cmd_fusion->done, 50 * HZ); | |
3064 | ||
3065 | if (!timeleft) { | |
3066 | dev_err(&instance->pdev->dev, | |
3067 | "task mgmt type 0x%x timed out\n", type); | |
3068 | cmd_mfi->flags |= DRV_DCMD_SKIP_REFIRE; | |
3069 | mutex_unlock(&instance->reset_mutex); | |
3070 | rc = megasas_reset_fusion(instance->host, MFI_IO_TIMEOUT_OCR); | |
3071 | mutex_lock(&instance->reset_mutex); | |
3072 | return rc; | |
3073 | } | |
3074 | ||
3075 | mpi_reply = (struct MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->TMReply; | |
3076 | megasas_tm_response_code(instance, mpi_reply); | |
3077 | ||
3078 | megasas_return_cmd(instance, cmd_mfi); | |
3079 | rc = SUCCESS; | |
3080 | switch (type) { | |
3081 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
3082 | if (scsi_lookup->scmd == NULL) | |
3083 | break; | |
3084 | else { | |
3085 | instance->instancet->disable_intr(instance); | |
3086 | msleep(1000); | |
3087 | megasas_complete_cmd_dpc_fusion | |
3088 | ((unsigned long)instance); | |
3089 | instance->instancet->enable_intr(instance); | |
3090 | if (scsi_lookup->scmd == NULL) | |
3091 | break; | |
3092 | } | |
3093 | rc = FAILED; | |
3094 | break; | |
3095 | ||
3096 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
3097 | if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) | |
3098 | break; | |
3099 | instance->instancet->disable_intr(instance); | |
3100 | msleep(1000); | |
3101 | megasas_complete_cmd_dpc_fusion | |
3102 | ((unsigned long)instance); | |
3103 | rc = megasas_track_scsiio(instance, id, channel); | |
3104 | instance->instancet->enable_intr(instance); | |
3105 | ||
3106 | break; | |
3107 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: | |
3108 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: | |
3109 | break; | |
3110 | default: | |
3111 | rc = FAILED; | |
3112 | break; | |
3113 | } | |
3114 | ||
3115 | return rc; | |
3116 | ||
3117 | } | |
3118 | ||
3119 | /* | |
3120 | * megasas_fusion_smid_lookup : Look for fusion command correpspodning to SCSI | |
3121 | * @instance: per adapter struct | |
3122 | * | |
3123 | * Return Non Zero index, if SMID found in outstanding commands | |
3124 | */ | |
3125 | static u16 megasas_fusion_smid_lookup(struct scsi_cmnd *scmd) | |
3126 | { | |
3127 | int i, ret = 0; | |
3128 | struct megasas_instance *instance; | |
3129 | struct megasas_cmd_fusion *cmd_fusion; | |
3130 | struct fusion_context *fusion; | |
3131 | ||
3132 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3133 | ||
3134 | fusion = instance->ctrl_context; | |
3135 | ||
3136 | for (i = 0; i < instance->max_scsi_cmds; i++) { | |
3137 | cmd_fusion = fusion->cmd_list[i]; | |
3138 | if (cmd_fusion->scmd && (cmd_fusion->scmd == scmd)) { | |
3139 | scmd_printk(KERN_NOTICE, scmd, "Abort request is for" | |
3140 | " SMID: %d\n", cmd_fusion->index); | |
3141 | ret = cmd_fusion->index; | |
3142 | break; | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | return ret; | |
3147 | } | |
3148 | ||
3149 | /* | |
3150 | * megasas_get_tm_devhandle - Get devhandle for TM request | |
3151 | * @sdev- OS provided scsi device | |
3152 | * | |
3153 | * Returns- devhandle/targetID of SCSI device | |
3154 | */ | |
3155 | static u16 megasas_get_tm_devhandle(struct scsi_device *sdev) | |
3156 | { | |
3157 | u16 pd_index = 0; | |
3158 | u32 device_id; | |
3159 | struct megasas_instance *instance; | |
3160 | struct fusion_context *fusion; | |
3161 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
3162 | u16 devhandle = (u16)ULONG_MAX; | |
3163 | ||
3164 | instance = (struct megasas_instance *)sdev->host->hostdata; | |
3165 | fusion = instance->ctrl_context; | |
3166 | ||
3167 | if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { | |
3168 | if (instance->use_seqnum_jbod_fp) { | |
3169 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + | |
3170 | sdev->id; | |
3171 | pd_sync = (void *)fusion->pd_seq_sync | |
3172 | [(instance->pd_seq_map_id - 1) & 1]; | |
3173 | devhandle = pd_sync->seq[pd_index].devHandle; | |
3174 | } else | |
3175 | sdev_printk(KERN_ERR, sdev, "Firmware expose tmCapable" | |
3176 | " without JBOD MAP support from %s %d\n", __func__, __LINE__); | |
3177 | } else { | |
3178 | device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) | |
3179 | + sdev->id; | |
3180 | devhandle = device_id; | |
3181 | } | |
3182 | ||
3183 | return devhandle; | |
3184 | } | |
3185 | ||
3186 | /* | |
3187 | * megasas_task_abort_fusion : SCSI task abort function for fusion adapters | |
3188 | * @scmd : pointer to scsi command object | |
3189 | * | |
3190 | * Return SUCCESS, if command aborted else FAILED | |
3191 | */ | |
3192 | ||
3193 | int megasas_task_abort_fusion(struct scsi_cmnd *scmd) | |
3194 | { | |
3195 | struct megasas_instance *instance; | |
3196 | u16 smid, devhandle; | |
3197 | struct fusion_context *fusion; | |
3198 | int ret; | |
3199 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
3200 | mr_device_priv_data = scmd->device->hostdata; | |
3201 | ||
3202 | ||
3203 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3204 | fusion = instance->ctrl_context; | |
3205 | ||
8a01a41d | 3206 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
3207 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
3208 | "SCSI host:%d\n", instance->host->host_no); | |
3209 | ret = FAILED; | |
3210 | return ret; | |
3211 | } | |
3212 | ||
3213 | if (!mr_device_priv_data) { | |
3214 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
3215 | "scmd(%p)\n", scmd); | |
3216 | scmd->result = DID_NO_CONNECT << 16; | |
3217 | ret = SUCCESS; | |
3218 | goto out; | |
3219 | } | |
3220 | ||
3221 | ||
3222 | if (!mr_device_priv_data->is_tm_capable) { | |
3223 | ret = FAILED; | |
3224 | goto out; | |
3225 | } | |
3226 | ||
3227 | mutex_lock(&instance->reset_mutex); | |
3228 | ||
3229 | smid = megasas_fusion_smid_lookup(scmd); | |
3230 | ||
3231 | if (!smid) { | |
3232 | ret = SUCCESS; | |
3233 | scmd_printk(KERN_NOTICE, scmd, "Command for which abort is" | |
3234 | " issued is not found in oustanding commands\n"); | |
3235 | mutex_unlock(&instance->reset_mutex); | |
3236 | goto out; | |
3237 | } | |
3238 | ||
3239 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
3240 | ||
3241 | if (devhandle == (u16)ULONG_MAX) { | |
3242 | ret = SUCCESS; | |
3243 | sdev_printk(KERN_INFO, scmd->device, | |
3244 | "task abort issued for invalid devhandle\n"); | |
3245 | mutex_unlock(&instance->reset_mutex); | |
3246 | goto out; | |
3247 | } | |
3248 | sdev_printk(KERN_INFO, scmd->device, | |
3249 | "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n", | |
3250 | scmd, devhandle); | |
3251 | ||
3252 | mr_device_priv_data->tm_busy = 1; | |
3253 | ret = megasas_issue_tm(instance, devhandle, | |
3254 | scmd->device->channel, scmd->device->id, smid, | |
3255 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK); | |
3256 | mr_device_priv_data->tm_busy = 0; | |
3257 | ||
3258 | mutex_unlock(&instance->reset_mutex); | |
3259 | out: | |
3260 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", | |
3261 | ((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
3262 | ||
3263 | return ret; | |
3264 | } | |
3265 | ||
3266 | /* | |
3267 | * megasas_reset_target_fusion : target reset function for fusion adapters | |
3268 | * scmd: SCSI command pointer | |
3269 | * | |
3270 | * Returns SUCCESS if all commands associated with target aborted else FAILED | |
3271 | */ | |
3272 | ||
3273 | int megasas_reset_target_fusion(struct scsi_cmnd *scmd) | |
3274 | { | |
3275 | ||
3276 | struct megasas_instance *instance; | |
3277 | int ret = FAILED; | |
3278 | u16 devhandle; | |
3279 | struct fusion_context *fusion; | |
3280 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
3281 | mr_device_priv_data = scmd->device->hostdata; | |
3282 | ||
3283 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
3284 | fusion = instance->ctrl_context; | |
3285 | ||
8a01a41d | 3286 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
18365b13 SS |
3287 | dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," |
3288 | "SCSI host:%d\n", instance->host->host_no); | |
3289 | ret = FAILED; | |
3290 | return ret; | |
3291 | } | |
3292 | ||
3293 | if (!mr_device_priv_data) { | |
3294 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " | |
3295 | "scmd(%p)\n", scmd); | |
3296 | scmd->result = DID_NO_CONNECT << 16; | |
3297 | ret = SUCCESS; | |
3298 | goto out; | |
3299 | } | |
3300 | ||
3301 | ||
3302 | if (!mr_device_priv_data->is_tm_capable) { | |
3303 | ret = FAILED; | |
3304 | goto out; | |
3305 | } | |
3306 | ||
3307 | mutex_lock(&instance->reset_mutex); | |
3308 | devhandle = megasas_get_tm_devhandle(scmd->device); | |
3309 | ||
3310 | if (devhandle == (u16)ULONG_MAX) { | |
3311 | ret = SUCCESS; | |
3312 | sdev_printk(KERN_INFO, scmd->device, | |
3313 | "target reset issued for invalid devhandle\n"); | |
3314 | mutex_unlock(&instance->reset_mutex); | |
3315 | goto out; | |
3316 | } | |
3317 | ||
3318 | sdev_printk(KERN_INFO, scmd->device, | |
3319 | "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n", | |
3320 | scmd, devhandle); | |
3321 | mr_device_priv_data->tm_busy = 1; | |
3322 | ret = megasas_issue_tm(instance, devhandle, | |
3323 | scmd->device->channel, scmd->device->id, 0, | |
3324 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); | |
3325 | mr_device_priv_data->tm_busy = 0; | |
3326 | mutex_unlock(&instance->reset_mutex); | |
3327 | out: | |
3328 | scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n", | |
3329 | (ret == SUCCESS) ? "SUCCESS" : "FAILED"); | |
3330 | ||
3331 | return ret; | |
3332 | } | |
3333 | ||
8f67c8c5 SS |
3334 | /*SRIOV get other instance in cluster if any*/ |
3335 | struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance) | |
3336 | { | |
3337 | int i; | |
3338 | ||
3339 | for (i = 0; i < MAX_MGMT_ADAPTERS; i++) { | |
3340 | if (megasas_mgmt_info.instance[i] && | |
3341 | (megasas_mgmt_info.instance[i] != instance) && | |
3342 | megasas_mgmt_info.instance[i]->requestorId && | |
3343 | megasas_mgmt_info.instance[i]->peerIsPresent && | |
3344 | (memcmp((megasas_mgmt_info.instance[i]->clusterId), | |
3345 | instance->clusterId, MEGASAS_CLUSTER_ID_SIZE) == 0)) | |
3346 | return megasas_mgmt_info.instance[i]; | |
3347 | } | |
3348 | return NULL; | |
3349 | } | |
3350 | ||
229fe47c AR |
3351 | /* Check for a second path that is currently UP */ |
3352 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
3353 | struct scsi_cmnd *scmd) | |
3354 | { | |
8f67c8c5 SS |
3355 | struct megasas_instance *peer_instance = NULL; |
3356 | int retval = (DID_RESET << 16); | |
3357 | ||
3358 | if (instance->peerIsPresent) { | |
3359 | peer_instance = megasas_get_peer_instance(instance); | |
3360 | if ((peer_instance) && | |
3361 | (atomic_read(&peer_instance->adprecovery) == | |
3362 | MEGASAS_HBA_OPERATIONAL)) | |
3363 | retval = (DID_NO_CONNECT << 16); | |
229fe47c | 3364 | } |
229fe47c AR |
3365 | return retval; |
3366 | } | |
3367 | ||
9c915a8c | 3368 | /* Core fusion reset function */ |
18365b13 | 3369 | int megasas_reset_fusion(struct Scsi_Host *shost, int reason) |
9c915a8c | 3370 | { |
79b82c2c | 3371 | int retval = SUCCESS, i, convert = 0; |
9c915a8c AR |
3372 | struct megasas_instance *instance; |
3373 | struct megasas_cmd_fusion *cmd_fusion; | |
3374 | struct fusion_context *fusion; | |
79b82c2c | 3375 | u32 abs_state, status_reg, reset_adapter; |
fc62b3fc | 3376 | u32 io_timeout_in_crash_mode = 0; |
4026e9aa | 3377 | struct scsi_cmnd *scmd_local = NULL; |
18365b13 | 3378 | struct scsi_device *sdev; |
9c915a8c AR |
3379 | |
3380 | instance = (struct megasas_instance *)shost->hostdata; | |
3381 | fusion = instance->ctrl_context; | |
3382 | ||
229fe47c AR |
3383 | mutex_lock(&instance->reset_mutex); |
3384 | ||
8a01a41d | 3385 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 3386 | dev_warn(&instance->pdev->dev, "Hardware critical error, " |
229fe47c AR |
3387 | "returning FAILED for scsi%d.\n", |
3388 | instance->host->host_no); | |
a2fbcbc3 | 3389 | mutex_unlock(&instance->reset_mutex); |
d4a759a9 | 3390 | return FAILED; |
9c915a8c | 3391 | } |
fc62b3fc SS |
3392 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); |
3393 | abs_state = status_reg & MFI_STATE_MASK; | |
3394 | ||
3395 | /* IO timeout detected, forcibly put FW in FAULT state */ | |
3396 | if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && | |
18365b13 SS |
3397 | instance->crash_dump_app_support && reason) { |
3398 | dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " | |
fc62b3fc | 3399 | "forcibly FAULT Firmware\n"); |
8a01a41d | 3400 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
fc62b3fc SS |
3401 | status_reg = readl(&instance->reg_set->doorbell); |
3402 | writel(status_reg | MFI_STATE_FORCE_OCR, | |
3403 | &instance->reg_set->doorbell); | |
3404 | readl(&instance->reg_set->doorbell); | |
3405 | mutex_unlock(&instance->reset_mutex); | |
3406 | do { | |
3407 | ssleep(3); | |
3408 | io_timeout_in_crash_mode++; | |
3409 | dev_dbg(&instance->pdev->dev, "waiting for [%d] " | |
3410 | "seconds for crash dump collection and OCR " | |
3411 | "to be done\n", (io_timeout_in_crash_mode * 3)); | |
8a01a41d | 3412 | } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && |
fc62b3fc SS |
3413 | (io_timeout_in_crash_mode < 80)); |
3414 | ||
8a01a41d | 3415 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
fc62b3fc SS |
3416 | dev_info(&instance->pdev->dev, "OCR done for IO " |
3417 | "timeout case\n"); | |
3418 | retval = SUCCESS; | |
3419 | } else { | |
3420 | dev_info(&instance->pdev->dev, "Controller is not " | |
3421 | "operational after 240 seconds wait for IO " | |
3422 | "timeout case in FW crash dump mode\n do " | |
3423 | "OCR/kill adapter\n"); | |
3424 | retval = megasas_reset_fusion(shost, 0); | |
3425 | } | |
3426 | return retval; | |
3427 | } | |
9c915a8c | 3428 | |
229fe47c AR |
3429 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) |
3430 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
7e70e733 | 3431 | set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
8a01a41d | 3432 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); |
d46a3ad6 | 3433 | instance->instancet->disable_intr(instance); |
7e70e733 AR |
3434 | msleep(1000); |
3435 | ||
9c915a8c | 3436 | /* First try waiting for commands to complete */ |
18365b13 | 3437 | if (megasas_wait_for_outstanding_fusion(instance, reason, |
229fe47c | 3438 | &convert)) { |
8a01a41d | 3439 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
1be18254 | 3440 | dev_warn(&instance->pdev->dev, "resetting fusion " |
229fe47c AR |
3441 | "adapter scsi%d.\n", instance->host->host_no); |
3442 | if (convert) | |
18365b13 | 3443 | reason = 0; |
229fe47c | 3444 | |
9c915a8c | 3445 | /* Now return commands back to the OS */ |
4026e9aa | 3446 | for (i = 0 ; i < instance->max_scsi_cmds; i++) { |
9c915a8c | 3447 | cmd_fusion = fusion->cmd_list[i]; |
4026e9aa | 3448 | scmd_local = cmd_fusion->scmd; |
9c915a8c | 3449 | if (cmd_fusion->scmd) { |
4026e9aa | 3450 | scmd_local->result = |
229fe47c | 3451 | megasas_check_mpio_paths(instance, |
4026e9aa | 3452 | scmd_local); |
308ec459 SS |
3453 | if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) |
3454 | atomic_dec(&instance->ldio_outstanding); | |
9c915a8c | 3455 | megasas_return_cmd_fusion(instance, cmd_fusion); |
4026e9aa SS |
3456 | scsi_dma_unmap(scmd_local); |
3457 | scmd_local->scsi_done(scmd_local); | |
9c915a8c AR |
3458 | atomic_dec(&instance->fw_outstanding); |
3459 | } | |
3460 | } | |
3461 | ||
7e70e733 AR |
3462 | status_reg = instance->instancet->read_fw_status_reg( |
3463 | instance->reg_set); | |
3464 | abs_state = status_reg & MFI_STATE_MASK; | |
3465 | reset_adapter = status_reg & MFI_RESET_ADAPTER; | |
3466 | if (instance->disableOnlineCtrlReset || | |
3467 | (abs_state == MFI_STATE_FAULT && !reset_adapter)) { | |
9c915a8c | 3468 | /* Reset not supported, kill adapter */ |
1be18254 | 3469 | dev_warn(&instance->pdev->dev, "Reset not supported" |
229fe47c AR |
3470 | ", killing adapter scsi%d.\n", |
3471 | instance->host->host_no); | |
9c915a8c | 3472 | megaraid_sas_kill_hba(instance); |
229fe47c | 3473 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
3474 | retval = FAILED; |
3475 | goto out; | |
3476 | } | |
3477 | ||
229fe47c | 3478 | /* Let SR-IOV VF & PF sync up if there was a HB failure */ |
18365b13 | 3479 | if (instance->requestorId && !reason) { |
229fe47c | 3480 | msleep(MEGASAS_OCR_SETTLE_TIME_VF); |
3885c26b | 3481 | goto transition_to_ready; |
229fe47c AR |
3482 | } |
3483 | ||
9c915a8c AR |
3484 | /* Now try to reset the chip */ |
3485 | for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) { | |
9c915a8c | 3486 | |
79b82c2c | 3487 | if (instance->instancet->adp_reset |
3488 | (instance, instance->reg_set)) | |
9c915a8c | 3489 | continue; |
3885c26b | 3490 | transition_to_ready: |
9c915a8c | 3491 | /* Wait for FW to become ready */ |
058a8fac | 3492 | if (megasas_transition_to_ready(instance, 1)) { |
3885c26b SS |
3493 | dev_warn(&instance->pdev->dev, |
3494 | "Failed to transition controller to ready for " | |
3495 | "scsi%d.\n", instance->host->host_no); | |
3496 | if (instance->requestorId && !reason) | |
3497 | goto fail_kill_adapter; | |
3498 | else | |
3499 | continue; | |
9c915a8c | 3500 | } |
9c915a8c | 3501 | megasas_reset_reply_desc(instance); |
308ec459 SS |
3502 | megasas_fusion_update_can_queue(instance, OCR_CONTEXT); |
3503 | ||
9c915a8c | 3504 | if (megasas_ioc_init_fusion(instance)) { |
1be18254 | 3505 | dev_warn(&instance->pdev->dev, |
3885c26b SS |
3506 | "megasas_ioc_init_fusion() failed! for " |
3507 | "scsi%d\n", instance->host->host_no); | |
3508 | if (instance->requestorId && !reason) | |
3509 | goto fail_kill_adapter; | |
3510 | else | |
3511 | continue; | |
9c915a8c AR |
3512 | } |
3513 | ||
9b828182 | 3514 | megasas_refire_mgmt_cmd(instance); |
9c915a8c | 3515 | |
d009b576 SS |
3516 | if (megasas_get_ctrl_info(instance)) { |
3517 | dev_info(&instance->pdev->dev, | |
3518 | "Failed from %s %d\n", | |
3519 | __func__, __LINE__); | |
d009b576 SS |
3520 | megaraid_sas_kill_hba(instance); |
3521 | retval = FAILED; | |
3522 | } | |
9c915a8c AR |
3523 | /* Reset load balance info */ |
3524 | memset(fusion->load_balance_info, 0, | |
3525 | sizeof(struct LD_LOAD_BALANCE_INFO) | |
51087a86 | 3526 | *MAX_LOGICAL_DRIVES_EXT); |
9c915a8c AR |
3527 | |
3528 | if (!megasas_get_map_info(instance)) | |
3529 | megasas_sync_map_info(instance); | |
3530 | ||
3761cb4c | 3531 | megasas_setup_jbod_map(instance); |
3532 | ||
18365b13 SS |
3533 | shost_for_each_device(sdev, shost) |
3534 | megasas_update_sdev_properties(sdev); | |
3535 | ||
ac340c5f SS |
3536 | clear_bit(MEGASAS_FUSION_IN_RESET, |
3537 | &instance->reset_flags); | |
3538 | instance->instancet->enable_intr(instance); | |
8a01a41d | 3539 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
ac340c5f | 3540 | |
229fe47c AR |
3541 | /* Restart SR-IOV heartbeat */ |
3542 | if (instance->requestorId) { | |
3543 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
3544 | megasas_start_timer(instance, | |
3545 | &instance->sriov_heartbeat_timer, | |
3546 | megasas_sriov_heartbeat_handler, | |
3547 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
3548 | else | |
3549 | instance->skip_heartbeat_timer_del = 1; | |
3550 | } | |
3551 | ||
9c915a8c | 3552 | /* Adapter reset completed successfully */ |
1be18254 | 3553 | dev_warn(&instance->pdev->dev, "Reset " |
229fe47c AR |
3554 | "successful for scsi%d.\n", |
3555 | instance->host->host_no); | |
fc62b3fc | 3556 | |
ac340c5f SS |
3557 | if (instance->crash_dump_drv_support && |
3558 | instance->crash_dump_app_support) | |
3559 | megasas_set_crash_dump_params(instance, | |
3560 | MR_CRASH_BUF_TURN_ON); | |
3561 | else | |
3562 | megasas_set_crash_dump_params(instance, | |
3563 | MR_CRASH_BUF_TURN_OFF); | |
3564 | ||
9c915a8c AR |
3565 | retval = SUCCESS; |
3566 | goto out; | |
3567 | } | |
3885c26b | 3568 | fail_kill_adapter: |
9c915a8c | 3569 | /* Reset failed, kill the adapter */ |
1be18254 | 3570 | dev_warn(&instance->pdev->dev, "Reset failed, killing " |
229fe47c | 3571 | "adapter scsi%d.\n", instance->host->host_no); |
9c915a8c | 3572 | megaraid_sas_kill_hba(instance); |
229fe47c | 3573 | instance->skip_heartbeat_timer_del = 1; |
9c915a8c AR |
3574 | retval = FAILED; |
3575 | } else { | |
229fe47c AR |
3576 | /* For VF: Restart HB timer if we didn't OCR */ |
3577 | if (instance->requestorId) { | |
3578 | megasas_start_timer(instance, | |
3579 | &instance->sriov_heartbeat_timer, | |
3580 | megasas_sriov_heartbeat_handler, | |
3581 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
3582 | } | |
3f0e58bc | 3583 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); |
d46a3ad6 | 3584 | instance->instancet->enable_intr(instance); |
8a01a41d | 3585 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
9c915a8c AR |
3586 | } |
3587 | out: | |
3588 | clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); | |
3589 | mutex_unlock(&instance->reset_mutex); | |
3590 | return retval; | |
3591 | } | |
3592 | ||
fc62b3fc SS |
3593 | /* Fusion Crash dump collection work queue */ |
3594 | void megasas_fusion_crash_dump_wq(struct work_struct *work) | |
3595 | { | |
3596 | struct megasas_instance *instance = | |
3597 | container_of(work, struct megasas_instance, crash_init); | |
3598 | u32 status_reg; | |
3599 | u8 partial_copy = 0; | |
3600 | ||
3601 | ||
3602 | status_reg = instance->instancet->read_fw_status_reg(instance->reg_set); | |
3603 | ||
3604 | /* | |
3605 | * Allocate host crash buffers to copy data from 1 MB DMA crash buffer | |
3606 | * to host crash buffers | |
3607 | */ | |
3608 | if (instance->drv_buf_index == 0) { | |
3609 | /* Buffer is already allocated for old Crash dump. | |
3610 | * Do OCR and do not wait for crash dump collection | |
3611 | */ | |
3612 | if (instance->drv_buf_alloc) { | |
3613 | dev_info(&instance->pdev->dev, "earlier crash dump is " | |
3614 | "not yet copied by application, ignoring this " | |
3615 | "crash dump and initiating OCR\n"); | |
3616 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
3617 | writel(status_reg, | |
3618 | &instance->reg_set->outbound_scratch_pad); | |
3619 | readl(&instance->reg_set->outbound_scratch_pad); | |
3620 | return; | |
3621 | } | |
3622 | megasas_alloc_host_crash_buffer(instance); | |
3623 | dev_info(&instance->pdev->dev, "Number of host crash buffers " | |
3624 | "allocated: %d\n", instance->drv_buf_alloc); | |
3625 | } | |
3626 | ||
3627 | /* | |
3628 | * Driver has allocated max buffers, which can be allocated | |
3629 | * and FW has more crash dump data, then driver will | |
3630 | * ignore the data. | |
3631 | */ | |
3632 | if (instance->drv_buf_index >= (instance->drv_buf_alloc)) { | |
3633 | dev_info(&instance->pdev->dev, "Driver is done copying " | |
3634 | "the buffer: %d\n", instance->drv_buf_alloc); | |
3635 | status_reg |= MFI_STATE_CRASH_DUMP_DONE; | |
3636 | partial_copy = 1; | |
3637 | } else { | |
3638 | memcpy(instance->crash_buf[instance->drv_buf_index], | |
3639 | instance->crash_dump_buf, CRASH_DMA_BUF_SIZE); | |
3640 | instance->drv_buf_index++; | |
3641 | status_reg &= ~MFI_STATE_DMADONE; | |
3642 | } | |
3643 | ||
3644 | if (status_reg & MFI_STATE_CRASH_DUMP_DONE) { | |
3645 | dev_info(&instance->pdev->dev, "Crash Dump is available,number " | |
3646 | "of copied buffers: %d\n", instance->drv_buf_index); | |
3647 | instance->fw_crash_buffer_size = instance->drv_buf_index; | |
3648 | instance->fw_crash_state = AVAILABLE; | |
3649 | instance->drv_buf_index = 0; | |
3650 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
3651 | readl(&instance->reg_set->outbound_scratch_pad); | |
3652 | if (!partial_copy) | |
3653 | megasas_reset_fusion(instance->host, 0); | |
3654 | } else { | |
3655 | writel(status_reg, &instance->reg_set->outbound_scratch_pad); | |
3656 | readl(&instance->reg_set->outbound_scratch_pad); | |
3657 | } | |
3658 | } | |
3659 | ||
3660 | ||
9c915a8c AR |
3661 | /* Fusion OCR work queue */ |
3662 | void megasas_fusion_ocr_wq(struct work_struct *work) | |
3663 | { | |
3664 | struct megasas_instance *instance = | |
3665 | container_of(work, struct megasas_instance, work_init); | |
3666 | ||
229fe47c | 3667 | megasas_reset_fusion(instance->host, 0); |
9c915a8c AR |
3668 | } |
3669 | ||
3670 | struct megasas_instance_template megasas_instance_template_fusion = { | |
9c915a8c AR |
3671 | .enable_intr = megasas_enable_intr_fusion, |
3672 | .disable_intr = megasas_disable_intr_fusion, | |
3673 | .clear_intr = megasas_clear_intr_fusion, | |
3674 | .read_fw_status_reg = megasas_read_fw_status_reg_fusion, | |
3675 | .adp_reset = megasas_adp_reset_fusion, | |
3676 | .check_reset = megasas_check_reset_fusion, | |
3677 | .service_isr = megasas_isr_fusion, | |
3678 | .tasklet = megasas_complete_cmd_dpc_fusion, | |
3679 | .init_adapter = megasas_init_adapter_fusion, | |
3680 | .build_and_issue_cmd = megasas_build_and_issue_cmd_fusion, | |
3681 | .issue_dcmd = megasas_issue_dcmd_fusion, | |
3682 | }; |