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20#include <linux/kernel.h>
21#include <linux/types.h>
22#include <linux/pci.h>
23#include <linux/list.h>
24#include <linux/moduleparam.h>
25#include <linux/module.h>
26#include <linux/spinlock.h>
27#include <linux/interrupt.h>
28#include <linux/delay.h>
29#include <linux/uio.h>
30#include <linux/slab.h>
31#include <linux/uaccess.h>
32#include <asm/unaligned.h>
33#include <linux/fs.h>
34#include <linux/compat.h>
35#include <linux/blkdev.h>
36#include <linux/mutex.h>
37#include <linux/poll.h>
38#include <linux/vmalloc.h>
39#include <linux/irq_poll.h>
40#include <linux/blk-mq-pci.h>
41
42#include <scsi/scsi.h>
43#include <scsi/scsi_cmnd.h>
44#include <scsi/scsi_device.h>
45#include <scsi/scsi_host.h>
46#include <scsi/scsi_tcq.h>
47#include <scsi/scsi_dbg.h>
48#include "megaraid_sas_fusion.h"
49#include "megaraid_sas.h"
50
51
52
53
54
55static unsigned int max_sectors;
56module_param_named(max_sectors, max_sectors, int, 0444);
57MODULE_PARM_DESC(max_sectors,
58 "Maximum number of sectors per IO command");
59
60static int msix_disable;
61module_param(msix_disable, int, 0444);
62MODULE_PARM_DESC(msix_disable, "Disable MSI-X interrupt handling. Default: 0");
63
64static unsigned int msix_vectors;
65module_param(msix_vectors, int, 0444);
66MODULE_PARM_DESC(msix_vectors, "MSI-X max vector count. Default: Set by FW");
67
68static int allow_vf_ioctls;
69module_param(allow_vf_ioctls, int, 0444);
70MODULE_PARM_DESC(allow_vf_ioctls, "Allow ioctls in SR-IOV VF mode. Default: 0");
71
72static unsigned int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH;
73module_param(throttlequeuedepth, int, 0444);
74MODULE_PARM_DESC(throttlequeuedepth,
75 "Adapter queue depth when throttled due to I/O timeout. Default: 16");
76
77unsigned int resetwaittime = MEGASAS_RESET_WAIT_TIME;
78module_param(resetwaittime, int, 0444);
79MODULE_PARM_DESC(resetwaittime, "Wait time in (1-180s) after I/O timeout before resetting adapter. Default: 180s");
80
81static int smp_affinity_enable = 1;
82module_param(smp_affinity_enable, int, 0444);
83MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disable Default: enable(1)");
84
85static int rdpq_enable = 1;
86module_param(rdpq_enable, int, 0444);
87MODULE_PARM_DESC(rdpq_enable, "Allocate reply queue in chunks for large queue depth enable/disable Default: enable(1)");
88
89unsigned int dual_qdepth_disable;
90module_param(dual_qdepth_disable, int, 0444);
91MODULE_PARM_DESC(dual_qdepth_disable, "Disable dual queue depth feature. Default: 0");
92
93static unsigned int scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT;
94module_param(scmd_timeout, int, 0444);
95MODULE_PARM_DESC(scmd_timeout, "scsi command timeout (10-90s), default 90s. See megasas_reset_timer.");
96
97int perf_mode = -1;
98module_param(perf_mode, int, 0444);
99MODULE_PARM_DESC(perf_mode, "Performance mode (only for Aero adapters), options:\n\t\t"
100 "0 - balanced: High iops and low latency queues are allocated &\n\t\t"
101 "interrupt coalescing is enabled only on high iops queues\n\t\t"
102 "1 - iops: High iops queues are not allocated &\n\t\t"
103 "interrupt coalescing is enabled on all queues\n\t\t"
104 "2 - latency: High iops queues are not allocated &\n\t\t"
105 "interrupt coalescing is disabled on all queues\n\t\t"
106 "default mode is 'balanced'"
107 );
108
109int event_log_level = MFI_EVT_CLASS_CRITICAL;
110module_param(event_log_level, int, 0644);
111MODULE_PARM_DESC(event_log_level, "Asynchronous event logging level- range is: -2(CLASS_DEBUG) to 4(CLASS_DEAD), Default: 2(CLASS_CRITICAL)");
112
113unsigned int enable_sdev_max_qd;
114module_param(enable_sdev_max_qd, int, 0444);
115MODULE_PARM_DESC(enable_sdev_max_qd, "Enable sdev max qd as can_queue. Default: 0");
116
117int poll_queues;
118module_param(poll_queues, int, 0444);
119MODULE_PARM_DESC(poll_queues, "Number of queues to be use for io_uring poll mode.\n\t\t"
120 "This parameter is effective only if host_tagset_enable=1 &\n\t\t"
121 "It is not applicable for MFI_SERIES. &\n\t\t"
122 "Driver will work in latency mode. &\n\t\t"
123 "High iops queues are not allocated &\n\t\t"
124 );
125
126int host_tagset_enable = 1;
127module_param(host_tagset_enable, int, 0444);
128MODULE_PARM_DESC(host_tagset_enable, "Shared host tagset enable/disable Default: enable(1)");
129
130MODULE_LICENSE("GPL");
131MODULE_VERSION(MEGASAS_VERSION);
132MODULE_AUTHOR("megaraidlinux.pdl@broadcom.com");
133MODULE_DESCRIPTION("Broadcom MegaRAID SAS Driver");
134
135int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
136static int megasas_get_pd_list(struct megasas_instance *instance);
137static int megasas_ld_list_query(struct megasas_instance *instance,
138 u8 query_type);
139static int megasas_issue_init_mfi(struct megasas_instance *instance);
140static int megasas_register_aen(struct megasas_instance *instance,
141 u32 seq_num, u32 class_locale_word);
142static void megasas_get_pd_info(struct megasas_instance *instance,
143 struct scsi_device *sdev);
144static void
145megasas_set_ld_removed_by_fw(struct megasas_instance *instance);
146
147
148
149
150static struct pci_device_id megasas_pci_table[] = {
151
152 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)},
153
154 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)},
155
156 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078DE)},
157
158 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078GEN2)},
159
160 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)},
161
162 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)},
163
164 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)},
165
166 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
167
168 {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
169
170 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)},
171
172 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_PLASMA)},
173
174 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)},
175
176 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FURY)},
177
178 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER)},
179
180 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER_24)},
181
182 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_52)},
183 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_53)},
184
185 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA)},
186 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER)},
187 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_HARPOON)},
188 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_TOMCAT)},
189 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA_4PORT)},
190 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER_4PORT)},
191 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E1)},
192 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E2)},
193 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E5)},
194 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E6)},
195 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E0)},
196 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E3)},
197 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E4)},
198 {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E7)},
199 {}
200};
201
202MODULE_DEVICE_TABLE(pci, megasas_pci_table);
203
204static int megasas_mgmt_majorno;
205struct megasas_mgmt_info megasas_mgmt_info;
206static struct fasync_struct *megasas_async_queue;
207static DEFINE_MUTEX(megasas_async_queue_mutex);
208
209static int megasas_poll_wait_aen;
210static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);
211static u32 support_poll_for_event;
212u32 megasas_dbg_lvl;
213static u32 support_device_change;
214static bool support_nvme_encapsulation;
215static bool support_pci_lane_margining;
216
217
218static DEFINE_SPINLOCK(poll_aen_lock);
219
220extern struct dentry *megasas_debugfs_root;
221extern int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
222
223void
224megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
225 u8 alt_status);
226static u32
227megasas_read_fw_status_reg_gen2(struct megasas_instance *instance);
228static int
229megasas_adp_reset_gen2(struct megasas_instance *instance,
230 struct megasas_register_set __iomem *reg_set);
231static irqreturn_t megasas_isr(int irq, void *devp);
232static u32
233megasas_init_adapter_mfi(struct megasas_instance *instance);
234u32
235megasas_build_and_issue_cmd(struct megasas_instance *instance,
236 struct scsi_cmnd *scmd);
237static void megasas_complete_cmd_dpc(unsigned long instance_addr);
238int
239wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd,
240 int seconds);
241void megasas_fusion_ocr_wq(struct work_struct *work);
242static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance,
243 int initial);
244static int
245megasas_set_dma_mask(struct megasas_instance *instance);
246static int
247megasas_alloc_ctrl_mem(struct megasas_instance *instance);
248static inline void
249megasas_free_ctrl_mem(struct megasas_instance *instance);
250static inline int
251megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance);
252static inline void
253megasas_free_ctrl_dma_buffers(struct megasas_instance *instance);
254static inline void
255megasas_init_ctrl_params(struct megasas_instance *instance);
256
257u32 megasas_readl(struct megasas_instance *instance,
258 const volatile void __iomem *addr)
259{
260 u32 i = 0, ret_val;
261
262
263
264
265
266
267
268 if (instance->adapter_type == AERO_SERIES) {
269 do {
270 ret_val = readl(addr);
271 i++;
272 } while (ret_val == 0 && i < 3);
273 return ret_val;
274 } else {
275 return readl(addr);
276 }
277}
278
279
280
281
282
283
284
285
286
287void megasas_set_dma_settings(struct megasas_instance *instance,
288 struct megasas_dcmd_frame *dcmd,
289 dma_addr_t dma_addr, u32 dma_len)
290{
291 if (instance->consistent_mask_64bit) {
292 dcmd->sgl.sge64[0].phys_addr = cpu_to_le64(dma_addr);
293 dcmd->sgl.sge64[0].length = cpu_to_le32(dma_len);
294 dcmd->flags = cpu_to_le16(dcmd->flags | MFI_FRAME_SGL64);
295
296 } else {
297 dcmd->sgl.sge32[0].phys_addr =
298 cpu_to_le32(lower_32_bits(dma_addr));
299 dcmd->sgl.sge32[0].length = cpu_to_le32(dma_len);
300 dcmd->flags = cpu_to_le16(dcmd->flags);
301 }
302}
303
304static void
305megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
306{
307 instance->instancet->fire_cmd(instance,
308 cmd->frame_phys_addr, 0, instance->reg_set);
309 return;
310}
311
312
313
314
315
316
317
318struct megasas_cmd *megasas_get_cmd(struct megasas_instance
319 *instance)
320{
321 unsigned long flags;
322 struct megasas_cmd *cmd = NULL;
323
324 spin_lock_irqsave(&instance->mfi_pool_lock, flags);
325
326 if (!list_empty(&instance->cmd_pool)) {
327 cmd = list_entry((&instance->cmd_pool)->next,
328 struct megasas_cmd, list);
329 list_del_init(&cmd->list);
330 } else {
331 dev_err(&instance->pdev->dev, "Command pool empty!\n");
332 }
333
334 spin_unlock_irqrestore(&instance->mfi_pool_lock, flags);
335 return cmd;
336}
337
338
339
340
341
342
343void
344megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
345{
346 unsigned long flags;
347 u32 blk_tags;
348 struct megasas_cmd_fusion *cmd_fusion;
349 struct fusion_context *fusion = instance->ctrl_context;
350
351
352
353
354 if (cmd->flags & DRV_DCMD_POLLED_MODE)
355 return;
356
357 spin_lock_irqsave(&instance->mfi_pool_lock, flags);
358
359 if (fusion) {
360 blk_tags = instance->max_scsi_cmds + cmd->index;
361 cmd_fusion = fusion->cmd_list[blk_tags];
362 megasas_return_cmd_fusion(instance, cmd_fusion);
363 }
364 cmd->scmd = NULL;
365 cmd->frame_count = 0;
366 cmd->flags = 0;
367 memset(cmd->frame, 0, instance->mfi_frame_size);
368 cmd->frame->io.context = cpu_to_le32(cmd->index);
369 if (!fusion && reset_devices)
370 cmd->frame->hdr.cmd = MFI_CMD_INVALID;
371 list_add(&cmd->list, (&instance->cmd_pool)->next);
372
373 spin_unlock_irqrestore(&instance->mfi_pool_lock, flags);
374
375}
376
377static const char *
378format_timestamp(uint32_t timestamp)
379{
380 static char buffer[32];
381
382 if ((timestamp & 0xff000000) == 0xff000000)
383 snprintf(buffer, sizeof(buffer), "boot + %us", timestamp &
384 0x00ffffff);
385 else
386 snprintf(buffer, sizeof(buffer), "%us", timestamp);
387 return buffer;
388}
389
390static const char *
391format_class(int8_t class)
392{
393 static char buffer[6];
394
395 switch (class) {
396 case MFI_EVT_CLASS_DEBUG:
397 return "debug";
398 case MFI_EVT_CLASS_PROGRESS:
399 return "progress";
400 case MFI_EVT_CLASS_INFO:
401 return "info";
402 case MFI_EVT_CLASS_WARNING:
403 return "WARN";
404 case MFI_EVT_CLASS_CRITICAL:
405 return "CRIT";
406 case MFI_EVT_CLASS_FATAL:
407 return "FATAL";
408 case MFI_EVT_CLASS_DEAD:
409 return "DEAD";
410 default:
411 snprintf(buffer, sizeof(buffer), "%d", class);
412 return buffer;
413 }
414}
415
416
417
418
419
420
421static void
422megasas_decode_evt(struct megasas_instance *instance)
423{
424 struct megasas_evt_detail *evt_detail = instance->evt_detail;
425 union megasas_evt_class_locale class_locale;
426 class_locale.word = le32_to_cpu(evt_detail->cl.word);
427
428 if ((event_log_level < MFI_EVT_CLASS_DEBUG) ||
429 (event_log_level > MFI_EVT_CLASS_DEAD)) {
430 printk(KERN_WARNING "megaraid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n");
431 event_log_level = MFI_EVT_CLASS_CRITICAL;
432 }
433
434 if (class_locale.members.class >= event_log_level)
435 dev_info(&instance->pdev->dev, "%d (%s/0x%04x/%s) - %s\n",
436 le32_to_cpu(evt_detail->seq_num),
437 format_timestamp(le32_to_cpu(evt_detail->time_stamp)),
438 (class_locale.members.locale),
439 format_class(class_locale.members.class),
440 evt_detail->description);
441
442 if (megasas_dbg_lvl & LD_PD_DEBUG)
443 dev_info(&instance->pdev->dev,
444 "evt_detail.args.ld.target_id/index %d/%d\n",
445 evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index);
446
447}
448
449
450
451
452
453
454
455
456
457
458static inline void
459megasas_enable_intr_xscale(struct megasas_instance *instance)
460{
461 struct megasas_register_set __iomem *regs;
462
463 regs = instance->reg_set;
464 writel(0, &(regs)->outbound_intr_mask);
465
466
467 readl(®s->outbound_intr_mask);
468}
469
470
471
472
473
474static inline void
475megasas_disable_intr_xscale(struct megasas_instance *instance)
476{
477 struct megasas_register_set __iomem *regs;
478 u32 mask = 0x1f;
479
480 regs = instance->reg_set;
481 writel(mask, ®s->outbound_intr_mask);
482
483 readl(®s->outbound_intr_mask);
484}
485
486
487
488
489
490static u32
491megasas_read_fw_status_reg_xscale(struct megasas_instance *instance)
492{
493 return readl(&instance->reg_set->outbound_msg_0);
494}
495
496
497
498
499static int
500megasas_clear_intr_xscale(struct megasas_instance *instance)
501{
502 u32 status;
503 u32 mfiStatus = 0;
504 struct megasas_register_set __iomem *regs;
505 regs = instance->reg_set;
506
507
508
509
510 status = readl(®s->outbound_intr_status);
511
512 if (status & MFI_OB_INTR_STATUS_MASK)
513 mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE;
514 if (status & MFI_XSCALE_OMR0_CHANGE_INTERRUPT)
515 mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE;
516
517
518
519
520 if (mfiStatus)
521 writel(status, ®s->outbound_intr_status);
522
523
524 readl(®s->outbound_intr_status);
525
526 return mfiStatus;
527}
528
529
530
531
532
533
534
535
536static inline void
537megasas_fire_cmd_xscale(struct megasas_instance *instance,
538 dma_addr_t frame_phys_addr,
539 u32 frame_count,
540 struct megasas_register_set __iomem *regs)
541{
542 unsigned long flags;
543
544 spin_lock_irqsave(&instance->hba_lock, flags);
545 writel((frame_phys_addr >> 3)|(frame_count),
546 &(regs)->inbound_queue_port);
547 spin_unlock_irqrestore(&instance->hba_lock, flags);
548}
549
550
551
552
553
554
555static int
556megasas_adp_reset_xscale(struct megasas_instance *instance,
557 struct megasas_register_set __iomem *regs)
558{
559 u32 i;
560 u32 pcidata;
561
562 writel(MFI_ADP_RESET, ®s->inbound_doorbell);
563
564 for (i = 0; i < 3; i++)
565 msleep(1000);
566 pcidata = 0;
567 pci_read_config_dword(instance->pdev, MFI_1068_PCSR_OFFSET, &pcidata);
568 dev_notice(&instance->pdev->dev, "pcidata = %x\n", pcidata);
569 if (pcidata & 0x2) {
570 dev_notice(&instance->pdev->dev, "mfi 1068 offset read=%x\n", pcidata);
571 pcidata &= ~0x2;
572 pci_write_config_dword(instance->pdev,
573 MFI_1068_PCSR_OFFSET, pcidata);
574
575 for (i = 0; i < 2; i++)
576 msleep(1000);
577
578 pcidata = 0;
579 pci_read_config_dword(instance->pdev,
580 MFI_1068_FW_HANDSHAKE_OFFSET, &pcidata);
581 dev_notice(&instance->pdev->dev, "1068 offset handshake read=%x\n", pcidata);
582 if ((pcidata & 0xffff0000) == MFI_1068_FW_READY) {
583 dev_notice(&instance->pdev->dev, "1068 offset pcidt=%x\n", pcidata);
584 pcidata = 0;
585 pci_write_config_dword(instance->pdev,
586 MFI_1068_FW_HANDSHAKE_OFFSET, pcidata);
587 }
588 }
589 return 0;
590}
591
592
593
594
595
596
597static int
598megasas_check_reset_xscale(struct megasas_instance *instance,
599 struct megasas_register_set __iomem *regs)
600{
601 if ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) &&
602 (le32_to_cpu(*instance->consumer) ==
603 MEGASAS_ADPRESET_INPROG_SIGN))
604 return 1;
605 return 0;
606}
607
608static struct megasas_instance_template megasas_instance_template_xscale = {
609
610 .fire_cmd = megasas_fire_cmd_xscale,
611 .enable_intr = megasas_enable_intr_xscale,
612 .disable_intr = megasas_disable_intr_xscale,
613 .clear_intr = megasas_clear_intr_xscale,
614 .read_fw_status_reg = megasas_read_fw_status_reg_xscale,
615 .adp_reset = megasas_adp_reset_xscale,
616 .check_reset = megasas_check_reset_xscale,
617 .service_isr = megasas_isr,
618 .tasklet = megasas_complete_cmd_dpc,
619 .init_adapter = megasas_init_adapter_mfi,
620 .build_and_issue_cmd = megasas_build_and_issue_cmd,
621 .issue_dcmd = megasas_issue_dcmd,
622};
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638static inline void
639megasas_enable_intr_ppc(struct megasas_instance *instance)
640{
641 struct megasas_register_set __iomem *regs;
642
643 regs = instance->reg_set;
644 writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
645
646 writel(~0x80000000, &(regs)->outbound_intr_mask);
647
648
649 readl(®s->outbound_intr_mask);
650}
651
652
653
654
655
656static inline void
657megasas_disable_intr_ppc(struct megasas_instance *instance)
658{
659 struct megasas_register_set __iomem *regs;
660 u32 mask = 0xFFFFFFFF;
661
662 regs = instance->reg_set;
663 writel(mask, ®s->outbound_intr_mask);
664
665 readl(®s->outbound_intr_mask);
666}
667
668
669
670
671
672static u32
673megasas_read_fw_status_reg_ppc(struct megasas_instance *instance)
674{
675 return readl(&instance->reg_set->outbound_scratch_pad_0);
676}
677
678
679
680
681
682static int
683megasas_clear_intr_ppc(struct megasas_instance *instance)
684{
685 u32 status, mfiStatus = 0;
686 struct megasas_register_set __iomem *regs;
687 regs = instance->reg_set;
688
689
690
691
692 status = readl(®s->outbound_intr_status);
693
694 if (status & MFI_REPLY_1078_MESSAGE_INTERRUPT)
695 mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE;
696
697 if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT)
698 mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE;
699
700
701
702
703 writel(status, ®s->outbound_doorbell_clear);
704
705
706 readl(®s->outbound_doorbell_clear);
707
708 return mfiStatus;
709}
710
711
712
713
714
715
716
717
718static inline void
719megasas_fire_cmd_ppc(struct megasas_instance *instance,
720 dma_addr_t frame_phys_addr,
721 u32 frame_count,
722 struct megasas_register_set __iomem *regs)
723{
724 unsigned long flags;
725
726 spin_lock_irqsave(&instance->hba_lock, flags);
727 writel((frame_phys_addr | (frame_count<<1))|1,
728 &(regs)->inbound_queue_port);
729 spin_unlock_irqrestore(&instance->hba_lock, flags);
730}
731
732
733
734
735
736
737static int
738megasas_check_reset_ppc(struct megasas_instance *instance,
739 struct megasas_register_set __iomem *regs)
740{
741 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
742 return 1;
743
744 return 0;
745}
746
747static struct megasas_instance_template megasas_instance_template_ppc = {
748
749 .fire_cmd = megasas_fire_cmd_ppc,
750 .enable_intr = megasas_enable_intr_ppc,
751 .disable_intr = megasas_disable_intr_ppc,
752 .clear_intr = megasas_clear_intr_ppc,
753 .read_fw_status_reg = megasas_read_fw_status_reg_ppc,
754 .adp_reset = megasas_adp_reset_xscale,
755 .check_reset = megasas_check_reset_ppc,
756 .service_isr = megasas_isr,
757 .tasklet = megasas_complete_cmd_dpc,
758 .init_adapter = megasas_init_adapter_mfi,
759 .build_and_issue_cmd = megasas_build_and_issue_cmd,
760 .issue_dcmd = megasas_issue_dcmd,
761};
762
763
764
765
766
767static inline void
768megasas_enable_intr_skinny(struct megasas_instance *instance)
769{
770 struct megasas_register_set __iomem *regs;
771
772 regs = instance->reg_set;
773 writel(0xFFFFFFFF, &(regs)->outbound_intr_mask);
774
775 writel(~MFI_SKINNY_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
776
777
778 readl(®s->outbound_intr_mask);
779}
780
781
782
783
784
785static inline void
786megasas_disable_intr_skinny(struct megasas_instance *instance)
787{
788 struct megasas_register_set __iomem *regs;
789 u32 mask = 0xFFFFFFFF;
790
791 regs = instance->reg_set;
792 writel(mask, ®s->outbound_intr_mask);
793
794 readl(®s->outbound_intr_mask);
795}
796
797
798
799
800
801static u32
802megasas_read_fw_status_reg_skinny(struct megasas_instance *instance)
803{
804 return readl(&instance->reg_set->outbound_scratch_pad_0);
805}
806
807
808
809
810
811static int
812megasas_clear_intr_skinny(struct megasas_instance *instance)
813{
814 u32 status;
815 u32 mfiStatus = 0;
816 struct megasas_register_set __iomem *regs;
817 regs = instance->reg_set;
818
819
820
821
822 status = readl(®s->outbound_intr_status);
823
824 if (!(status & MFI_SKINNY_ENABLE_INTERRUPT_MASK)) {
825 return 0;
826 }
827
828
829
830
831 if ((megasas_read_fw_status_reg_skinny(instance) & MFI_STATE_MASK) ==
832 MFI_STATE_FAULT) {
833 mfiStatus = MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE;
834 } else
835 mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE;
836
837
838
839
840 writel(status, ®s->outbound_intr_status);
841
842
843
844
845 readl(®s->outbound_intr_status);
846
847 return mfiStatus;
848}
849
850
851
852
853
854
855
856
857static inline void
858megasas_fire_cmd_skinny(struct megasas_instance *instance,
859 dma_addr_t frame_phys_addr,
860 u32 frame_count,
861 struct megasas_register_set __iomem *regs)
862{
863 unsigned long flags;
864
865 spin_lock_irqsave(&instance->hba_lock, flags);
866 writel(upper_32_bits(frame_phys_addr),
867 &(regs)->inbound_high_queue_port);
868 writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1,
869 &(regs)->inbound_low_queue_port);
870 spin_unlock_irqrestore(&instance->hba_lock, flags);
871}
872
873
874
875
876
877
878static int
879megasas_check_reset_skinny(struct megasas_instance *instance,
880 struct megasas_register_set __iomem *regs)
881{
882 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
883 return 1;
884
885 return 0;
886}
887
888static struct megasas_instance_template megasas_instance_template_skinny = {
889
890 .fire_cmd = megasas_fire_cmd_skinny,
891 .enable_intr = megasas_enable_intr_skinny,
892 .disable_intr = megasas_disable_intr_skinny,
893 .clear_intr = megasas_clear_intr_skinny,
894 .read_fw_status_reg = megasas_read_fw_status_reg_skinny,
895 .adp_reset = megasas_adp_reset_gen2,
896 .check_reset = megasas_check_reset_skinny,
897 .service_isr = megasas_isr,
898 .tasklet = megasas_complete_cmd_dpc,
899 .init_adapter = megasas_init_adapter_mfi,
900 .build_and_issue_cmd = megasas_build_and_issue_cmd,
901 .issue_dcmd = megasas_issue_dcmd,
902};
903
904
905
906
907
908
909
910
911
912
913
914static inline void
915megasas_enable_intr_gen2(struct megasas_instance *instance)
916{
917 struct megasas_register_set __iomem *regs;
918
919 regs = instance->reg_set;
920 writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
921
922
923 writel(~MFI_GEN2_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
924
925
926 readl(®s->outbound_intr_mask);
927}
928
929
930
931
932
933static inline void
934megasas_disable_intr_gen2(struct megasas_instance *instance)
935{
936 struct megasas_register_set __iomem *regs;
937 u32 mask = 0xFFFFFFFF;
938
939 regs = instance->reg_set;
940 writel(mask, ®s->outbound_intr_mask);
941
942 readl(®s->outbound_intr_mask);
943}
944
945
946
947
948
949static u32
950megasas_read_fw_status_reg_gen2(struct megasas_instance *instance)
951{
952 return readl(&instance->reg_set->outbound_scratch_pad_0);
953}
954
955
956
957
958
959static int
960megasas_clear_intr_gen2(struct megasas_instance *instance)
961{
962 u32 status;
963 u32 mfiStatus = 0;
964 struct megasas_register_set __iomem *regs;
965 regs = instance->reg_set;
966
967
968
969
970 status = readl(®s->outbound_intr_status);
971
972 if (status & MFI_INTR_FLAG_REPLY_MESSAGE) {
973 mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE;
974 }
975 if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT) {
976 mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE;
977 }
978
979
980
981
982 if (mfiStatus)
983 writel(status, ®s->outbound_doorbell_clear);
984
985
986 readl(®s->outbound_intr_status);
987
988 return mfiStatus;
989}
990
991
992
993
994
995
996
997
998static inline void
999megasas_fire_cmd_gen2(struct megasas_instance *instance,
1000 dma_addr_t frame_phys_addr,
1001 u32 frame_count,
1002 struct megasas_register_set __iomem *regs)
1003{
1004 unsigned long flags;
1005
1006 spin_lock_irqsave(&instance->hba_lock, flags);
1007 writel((frame_phys_addr | (frame_count<<1))|1,
1008 &(regs)->inbound_queue_port);
1009 spin_unlock_irqrestore(&instance->hba_lock, flags);
1010}
1011
1012
1013
1014
1015
1016
1017static int
1018megasas_adp_reset_gen2(struct megasas_instance *instance,
1019 struct megasas_register_set __iomem *reg_set)
1020{
1021 u32 retry = 0 ;
1022 u32 HostDiag;
1023 u32 __iomem *seq_offset = ®_set->seq_offset;
1024 u32 __iomem *hostdiag_offset = ®_set->host_diag;
1025
1026 if (instance->instancet == &megasas_instance_template_skinny) {
1027 seq_offset = ®_set->fusion_seq_offset;
1028 hostdiag_offset = ®_set->fusion_host_diag;
1029 }
1030
1031 writel(0, seq_offset);
1032 writel(4, seq_offset);
1033 writel(0xb, seq_offset);
1034 writel(2, seq_offset);
1035 writel(7, seq_offset);
1036 writel(0xd, seq_offset);
1037
1038 msleep(1000);
1039
1040 HostDiag = (u32)readl(hostdiag_offset);
1041
1042 while (!(HostDiag & DIAG_WRITE_ENABLE)) {
1043 msleep(100);
1044 HostDiag = (u32)readl(hostdiag_offset);
1045 dev_notice(&instance->pdev->dev, "RESETGEN2: retry=%x, hostdiag=%x\n",
1046 retry, HostDiag);
1047
1048 if (retry++ >= 100)
1049 return 1;
1050
1051 }
1052
1053 dev_notice(&instance->pdev->dev, "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag);
1054
1055 writel((HostDiag | DIAG_RESET_ADAPTER), hostdiag_offset);
1056
1057 ssleep(10);
1058
1059 HostDiag = (u32)readl(hostdiag_offset);
1060 while (HostDiag & DIAG_RESET_ADAPTER) {
1061 msleep(100);
1062 HostDiag = (u32)readl(hostdiag_offset);
1063 dev_notice(&instance->pdev->dev, "RESET_GEN2: retry=%x, hostdiag=%x\n",
1064 retry, HostDiag);
1065
1066 if (retry++ >= 1000)
1067 return 1;
1068
1069 }
1070 return 0;
1071}
1072
1073
1074
1075
1076
1077
1078static int
1079megasas_check_reset_gen2(struct megasas_instance *instance,
1080 struct megasas_register_set __iomem *regs)
1081{
1082 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
1083 return 1;
1084
1085 return 0;
1086}
1087
1088static struct megasas_instance_template megasas_instance_template_gen2 = {
1089
1090 .fire_cmd = megasas_fire_cmd_gen2,
1091 .enable_intr = megasas_enable_intr_gen2,
1092 .disable_intr = megasas_disable_intr_gen2,
1093 .clear_intr = megasas_clear_intr_gen2,
1094 .read_fw_status_reg = megasas_read_fw_status_reg_gen2,
1095 .adp_reset = megasas_adp_reset_gen2,
1096 .check_reset = megasas_check_reset_gen2,
1097 .service_isr = megasas_isr,
1098 .tasklet = megasas_complete_cmd_dpc,
1099 .init_adapter = megasas_init_adapter_mfi,
1100 .build_and_issue_cmd = megasas_build_and_issue_cmd,
1101 .issue_dcmd = megasas_issue_dcmd,
1102};
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112extern struct megasas_instance_template megasas_instance_template_fusion;
1113
1114
1115
1116
1117
1118
1119
1120
1121int
1122megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd)
1123{
1124 struct megasas_header *frame_hdr = &cmd->frame->hdr;
1125
1126 frame_hdr->cmd_status = MFI_STAT_INVALID_STATUS;
1127 frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
1128
1129 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
1130 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
1131 __func__, __LINE__);
1132 return DCMD_INIT;
1133 }
1134
1135 instance->instancet->issue_dcmd(instance, cmd);
1136
1137 return wait_and_poll(instance, cmd, instance->requestorId ?
1138 MEGASAS_ROUTINE_WAIT_TIME_VF : MFI_IO_TIMEOUT_SECS);
1139}
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151int
1152megasas_issue_blocked_cmd(struct megasas_instance *instance,
1153 struct megasas_cmd *cmd, int timeout)
1154{
1155 int ret = 0;
1156 cmd->cmd_status_drv = DCMD_INIT;
1157
1158 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
1159 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
1160 __func__, __LINE__);
1161 return DCMD_INIT;
1162 }
1163
1164 instance->instancet->issue_dcmd(instance, cmd);
1165
1166 if (timeout) {
1167 ret = wait_event_timeout(instance->int_cmd_wait_q,
1168 cmd->cmd_status_drv != DCMD_INIT, timeout * HZ);
1169 if (!ret) {
1170 dev_err(&instance->pdev->dev,
1171 "DCMD(opcode: 0x%x) is timed out, func:%s\n",
1172 cmd->frame->dcmd.opcode, __func__);
1173 return DCMD_TIMEOUT;
1174 }
1175 } else
1176 wait_event(instance->int_cmd_wait_q,
1177 cmd->cmd_status_drv != DCMD_INIT);
1178
1179 return cmd->cmd_status_drv;
1180}
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193static int
1194megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
1195 struct megasas_cmd *cmd_to_abort, int timeout)
1196{
1197 struct megasas_cmd *cmd;
1198 struct megasas_abort_frame *abort_fr;
1199 int ret = 0;
1200 u32 opcode;
1201
1202 cmd = megasas_get_cmd(instance);
1203
1204 if (!cmd)
1205 return -1;
1206
1207 abort_fr = &cmd->frame->abort;
1208
1209
1210
1211
1212 abort_fr->cmd = MFI_CMD_ABORT;
1213 abort_fr->cmd_status = MFI_STAT_INVALID_STATUS;
1214 abort_fr->flags = cpu_to_le16(0);
1215 abort_fr->abort_context = cpu_to_le32(cmd_to_abort->index);
1216 abort_fr->abort_mfi_phys_addr_lo =
1217 cpu_to_le32(lower_32_bits(cmd_to_abort->frame_phys_addr));
1218 abort_fr->abort_mfi_phys_addr_hi =
1219 cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr));
1220
1221 cmd->sync_cmd = 1;
1222 cmd->cmd_status_drv = DCMD_INIT;
1223
1224 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
1225 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
1226 __func__, __LINE__);
1227 return DCMD_INIT;
1228 }
1229
1230 instance->instancet->issue_dcmd(instance, cmd);
1231
1232 if (timeout) {
1233 ret = wait_event_timeout(instance->abort_cmd_wait_q,
1234 cmd->cmd_status_drv != DCMD_INIT, timeout * HZ);
1235 if (!ret) {
1236 opcode = cmd_to_abort->frame->dcmd.opcode;
1237 dev_err(&instance->pdev->dev,
1238 "Abort(to be aborted DCMD opcode: 0x%x) is timed out func:%s\n",
1239 opcode, __func__);
1240 return DCMD_TIMEOUT;
1241 }
1242 } else
1243 wait_event(instance->abort_cmd_wait_q,
1244 cmd->cmd_status_drv != DCMD_INIT);
1245
1246 cmd->sync_cmd = 0;
1247
1248 megasas_return_cmd(instance, cmd);
1249 return cmd->cmd_status_drv;
1250}
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261static int
1262megasas_make_sgl32(struct megasas_instance *instance, struct scsi_cmnd *scp,
1263 union megasas_sgl *mfi_sgl)
1264{
1265 int i;
1266 int sge_count;
1267 struct scatterlist *os_sgl;
1268
1269 sge_count = scsi_dma_map(scp);
1270 BUG_ON(sge_count < 0);
1271
1272 if (sge_count) {
1273 scsi_for_each_sg(scp, os_sgl, sge_count, i) {
1274 mfi_sgl->sge32[i].length = cpu_to_le32(sg_dma_len(os_sgl));
1275 mfi_sgl->sge32[i].phys_addr = cpu_to_le32(sg_dma_address(os_sgl));
1276 }
1277 }
1278 return sge_count;
1279}
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290static int
1291megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
1292 union megasas_sgl *mfi_sgl)
1293{
1294 int i;
1295 int sge_count;
1296 struct scatterlist *os_sgl;
1297
1298 sge_count = scsi_dma_map(scp);
1299 BUG_ON(sge_count < 0);
1300
1301 if (sge_count) {
1302 scsi_for_each_sg(scp, os_sgl, sge_count, i) {
1303 mfi_sgl->sge64[i].length = cpu_to_le32(sg_dma_len(os_sgl));
1304 mfi_sgl->sge64[i].phys_addr = cpu_to_le64(sg_dma_address(os_sgl));
1305 }
1306 }
1307 return sge_count;
1308}
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319static int
1320megasas_make_sgl_skinny(struct megasas_instance *instance,
1321 struct scsi_cmnd *scp, union megasas_sgl *mfi_sgl)
1322{
1323 int i;
1324 int sge_count;
1325 struct scatterlist *os_sgl;
1326
1327 sge_count = scsi_dma_map(scp);
1328
1329 if (sge_count) {
1330 scsi_for_each_sg(scp, os_sgl, sge_count, i) {
1331 mfi_sgl->sge_skinny[i].length =
1332 cpu_to_le32(sg_dma_len(os_sgl));
1333 mfi_sgl->sge_skinny[i].phys_addr =
1334 cpu_to_le64(sg_dma_address(os_sgl));
1335 mfi_sgl->sge_skinny[i].flag = cpu_to_le32(0);
1336 }
1337 }
1338 return sge_count;
1339}
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349static u32 megasas_get_frame_count(struct megasas_instance *instance,
1350 u8 sge_count, u8 frame_type)
1351{
1352 int num_cnt;
1353 int sge_bytes;
1354 u32 sge_sz;
1355 u32 frame_count = 0;
1356
1357 sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
1358 sizeof(struct megasas_sge32);
1359
1360 if (instance->flag_ieee) {
1361 sge_sz = sizeof(struct megasas_sge_skinny);
1362 }
1363
1364
1365
1366
1367
1368
1369
1370 if (unlikely(frame_type == PTHRU_FRAME)) {
1371 if (instance->flag_ieee == 1) {
1372 num_cnt = sge_count - 1;
1373 } else if (IS_DMA64)
1374 num_cnt = sge_count - 1;
1375 else
1376 num_cnt = sge_count - 2;
1377 } else {
1378 if (instance->flag_ieee == 1) {
1379 num_cnt = sge_count - 1;
1380 } else if (IS_DMA64)
1381 num_cnt = sge_count - 2;
1382 else
1383 num_cnt = sge_count - 3;
1384 }
1385
1386 if (num_cnt > 0) {
1387 sge_bytes = sge_sz * num_cnt;
1388
1389 frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) +
1390 ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) ;
1391 }
1392
1393 frame_count += 1;
1394
1395 if (frame_count > 7)
1396 frame_count = 8;
1397 return frame_count;
1398}
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409static int
1410megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
1411 struct megasas_cmd *cmd)
1412{
1413 u32 is_logical;
1414 u32 device_id;
1415 u16 flags = 0;
1416 struct megasas_pthru_frame *pthru;
1417
1418 is_logical = MEGASAS_IS_LOGICAL(scp->device);
1419 device_id = MEGASAS_DEV_INDEX(scp);
1420 pthru = (struct megasas_pthru_frame *)cmd->frame;
1421
1422 if (scp->sc_data_direction == DMA_TO_DEVICE)
1423 flags = MFI_FRAME_DIR_WRITE;
1424 else if (scp->sc_data_direction == DMA_FROM_DEVICE)
1425 flags = MFI_FRAME_DIR_READ;
1426 else if (scp->sc_data_direction == DMA_NONE)
1427 flags = MFI_FRAME_DIR_NONE;
1428
1429 if (instance->flag_ieee == 1) {
1430 flags |= MFI_FRAME_IEEE;
1431 }
1432
1433
1434
1435
1436 pthru->cmd = (is_logical) ? MFI_CMD_LD_SCSI_IO : MFI_CMD_PD_SCSI_IO;
1437 pthru->cmd_status = 0x0;
1438 pthru->scsi_status = 0x0;
1439 pthru->target_id = device_id;
1440 pthru->lun = scp->device->lun;
1441 pthru->cdb_len = scp->cmd_len;
1442 pthru->timeout = 0;
1443 pthru->pad_0 = 0;
1444 pthru->flags = cpu_to_le16(flags);
1445 pthru->data_xfer_len = cpu_to_le32(scsi_bufflen(scp));
1446
1447 memcpy(pthru->cdb, scp->cmnd, scp->cmd_len);
1448
1449
1450
1451
1452
1453 if (scp->device->type == TYPE_TAPE) {
1454 if (scsi_cmd_to_rq(scp)->timeout / HZ > 0xFFFF)
1455 pthru->timeout = cpu_to_le16(0xFFFF);
1456 else
1457 pthru->timeout = cpu_to_le16(scsi_cmd_to_rq(scp)->timeout / HZ);
1458 }
1459
1460
1461
1462
1463 if (instance->flag_ieee == 1) {
1464 pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64);
1465 pthru->sge_count = megasas_make_sgl_skinny(instance, scp,
1466 &pthru->sgl);
1467 } else if (IS_DMA64) {
1468 pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64);
1469 pthru->sge_count = megasas_make_sgl64(instance, scp,
1470 &pthru->sgl);
1471 } else
1472 pthru->sge_count = megasas_make_sgl32(instance, scp,
1473 &pthru->sgl);
1474
1475 if (pthru->sge_count > instance->max_num_sge) {
1476 dev_err(&instance->pdev->dev, "DCDB too many SGE NUM=%x\n",
1477 pthru->sge_count);
1478 return 0;
1479 }
1480
1481
1482
1483
1484 pthru->sense_len = SCSI_SENSE_BUFFERSIZE;
1485 pthru->sense_buf_phys_addr_hi =
1486 cpu_to_le32(upper_32_bits(cmd->sense_phys_addr));
1487 pthru->sense_buf_phys_addr_lo =
1488 cpu_to_le32(lower_32_bits(cmd->sense_phys_addr));
1489
1490
1491
1492
1493
1494 cmd->frame_count = megasas_get_frame_count(instance, pthru->sge_count,
1495 PTHRU_FRAME);
1496
1497 return cmd->frame_count;
1498}
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508static int
1509megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
1510 struct megasas_cmd *cmd)
1511{
1512 u32 device_id;
1513 u8 sc = scp->cmnd[0];
1514 u16 flags = 0;
1515 struct megasas_io_frame *ldio;
1516
1517 device_id = MEGASAS_DEV_INDEX(scp);
1518 ldio = (struct megasas_io_frame *)cmd->frame;
1519
1520 if (scp->sc_data_direction == DMA_TO_DEVICE)
1521 flags = MFI_FRAME_DIR_WRITE;
1522 else if (scp->sc_data_direction == DMA_FROM_DEVICE)
1523 flags = MFI_FRAME_DIR_READ;
1524
1525 if (instance->flag_ieee == 1) {
1526 flags |= MFI_FRAME_IEEE;
1527 }
1528
1529
1530
1531
1532 ldio->cmd = (sc & 0x02) ? MFI_CMD_LD_WRITE : MFI_CMD_LD_READ;
1533 ldio->cmd_status = 0x0;
1534 ldio->scsi_status = 0x0;
1535 ldio->target_id = device_id;
1536 ldio->timeout = 0;
1537 ldio->reserved_0 = 0;
1538 ldio->pad_0 = 0;
1539 ldio->flags = cpu_to_le16(flags);
1540 ldio->start_lba_hi = 0;
1541 ldio->access_byte = (scp->cmd_len != 6) ? scp->cmnd[1] : 0;
1542
1543
1544
1545
1546 if (scp->cmd_len == 6) {
1547 ldio->lba_count = cpu_to_le32((u32) scp->cmnd[4]);
1548 ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[1] << 16) |
1549 ((u32) scp->cmnd[2] << 8) |
1550 (u32) scp->cmnd[3]);
1551
1552 ldio->start_lba_lo &= cpu_to_le32(0x1FFFFF);
1553 }
1554
1555
1556
1557
1558 else if (scp->cmd_len == 10) {
1559 ldio->lba_count = cpu_to_le32((u32) scp->cmnd[8] |
1560 ((u32) scp->cmnd[7] << 8));
1561 ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) |
1562 ((u32) scp->cmnd[3] << 16) |
1563 ((u32) scp->cmnd[4] << 8) |
1564 (u32) scp->cmnd[5]);
1565 }
1566
1567
1568
1569
1570 else if (scp->cmd_len == 12) {
1571 ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[6] << 24) |
1572 ((u32) scp->cmnd[7] << 16) |
1573 ((u32) scp->cmnd[8] << 8) |
1574 (u32) scp->cmnd[9]);
1575
1576 ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) |
1577 ((u32) scp->cmnd[3] << 16) |
1578 ((u32) scp->cmnd[4] << 8) |
1579 (u32) scp->cmnd[5]);
1580 }
1581
1582
1583
1584
1585 else if (scp->cmd_len == 16) {
1586 ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[10] << 24) |
1587 ((u32) scp->cmnd[11] << 16) |
1588 ((u32) scp->cmnd[12] << 8) |
1589 (u32) scp->cmnd[13]);
1590
1591 ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[6] << 24) |
1592 ((u32) scp->cmnd[7] << 16) |
1593 ((u32) scp->cmnd[8] << 8) |
1594 (u32) scp->cmnd[9]);
1595
1596 ldio->start_lba_hi = cpu_to_le32(((u32) scp->cmnd[2] << 24) |
1597 ((u32) scp->cmnd[3] << 16) |
1598 ((u32) scp->cmnd[4] << 8) |
1599 (u32) scp->cmnd[5]);
1600
1601 }
1602
1603
1604
1605
1606 if (instance->flag_ieee) {
1607 ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64);
1608 ldio->sge_count = megasas_make_sgl_skinny(instance, scp,
1609 &ldio->sgl);
1610 } else if (IS_DMA64) {
1611 ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64);
1612 ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl);
1613 } else
1614 ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl);
1615
1616 if (ldio->sge_count > instance->max_num_sge) {
1617 dev_err(&instance->pdev->dev, "build_ld_io: sge_count = %x\n",
1618 ldio->sge_count);
1619 return 0;
1620 }
1621
1622
1623
1624
1625 ldio->sense_len = SCSI_SENSE_BUFFERSIZE;
1626 ldio->sense_buf_phys_addr_hi = 0;
1627 ldio->sense_buf_phys_addr_lo = cpu_to_le32(cmd->sense_phys_addr);
1628
1629
1630
1631
1632
1633 cmd->frame_count = megasas_get_frame_count(instance,
1634 ldio->sge_count, IO_FRAME);
1635
1636 return cmd->frame_count;
1637}
1638
1639
1640
1641
1642
1643
1644
1645inline int megasas_cmd_type(struct scsi_cmnd *cmd)
1646{
1647 int ret;
1648
1649 switch (cmd->cmnd[0]) {
1650 case READ_10:
1651 case WRITE_10:
1652 case READ_12:
1653 case WRITE_12:
1654 case READ_6:
1655 case WRITE_6:
1656 case READ_16:
1657 case WRITE_16:
1658 ret = (MEGASAS_IS_LOGICAL(cmd->device)) ?
1659 READ_WRITE_LDIO : READ_WRITE_SYSPDIO;
1660 break;
1661 default:
1662 ret = (MEGASAS_IS_LOGICAL(cmd->device)) ?
1663 NON_READ_WRITE_LDIO : NON_READ_WRITE_SYSPDIO;
1664 }
1665 return ret;
1666}
1667
1668
1669
1670
1671
1672
1673static inline void
1674megasas_dump_pending_frames(struct megasas_instance *instance)
1675{
1676 struct megasas_cmd *cmd;
1677 int i,n;
1678 union megasas_sgl *mfi_sgl;
1679 struct megasas_io_frame *ldio;
1680 struct megasas_pthru_frame *pthru;
1681 u32 sgcount;
1682 u16 max_cmd = instance->max_fw_cmds;
1683
1684 dev_err(&instance->pdev->dev, "[%d]: Dumping Frame Phys Address of all pending cmds in FW\n",instance->host->host_no);
1685 dev_err(&instance->pdev->dev, "[%d]: Total OS Pending cmds : %d\n",instance->host->host_no,atomic_read(&instance->fw_outstanding));
1686 if (IS_DMA64)
1687 dev_err(&instance->pdev->dev, "[%d]: 64 bit SGLs were sent to FW\n",instance->host->host_no);
1688 else
1689 dev_err(&instance->pdev->dev, "[%d]: 32 bit SGLs were sent to FW\n",instance->host->host_no);
1690
1691 dev_err(&instance->pdev->dev, "[%d]: Pending OS cmds in FW : \n",instance->host->host_no);
1692 for (i = 0; i < max_cmd; i++) {
1693 cmd = instance->cmd_list[i];
1694 if (!cmd->scmd)
1695 continue;
1696 dev_err(&instance->pdev->dev, "[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr);
1697 if (megasas_cmd_type(cmd->scmd) == READ_WRITE_LDIO) {
1698 ldio = (struct megasas_io_frame *)cmd->frame;
1699 mfi_sgl = &ldio->sgl;
1700 sgcount = ldio->sge_count;
1701 dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x,"
1702 " lba lo : 0x%x, lba_hi : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n",
1703 instance->host->host_no, cmd->frame_count, ldio->cmd, ldio->target_id,
1704 le32_to_cpu(ldio->start_lba_lo), le32_to_cpu(ldio->start_lba_hi),
1705 le32_to_cpu(ldio->sense_buf_phys_addr_lo), sgcount);
1706 } else {
1707 pthru = (struct megasas_pthru_frame *) cmd->frame;
1708 mfi_sgl = &pthru->sgl;
1709 sgcount = pthru->sge_count;
1710 dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, "
1711 "lun : 0x%x, cdb_len : 0x%x, data xfer len : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n",
1712 instance->host->host_no, cmd->frame_count, pthru->cmd, pthru->target_id,
1713 pthru->lun, pthru->cdb_len, le32_to_cpu(pthru->data_xfer_len),
1714 le32_to_cpu(pthru->sense_buf_phys_addr_lo), sgcount);
1715 }
1716 if (megasas_dbg_lvl & MEGASAS_DBG_LVL) {
1717 for (n = 0; n < sgcount; n++) {
1718 if (IS_DMA64)
1719 dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%llx\n",
1720 le32_to_cpu(mfi_sgl->sge64[n].length),
1721 le64_to_cpu(mfi_sgl->sge64[n].phys_addr));
1722 else
1723 dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%x\n",
1724 le32_to_cpu(mfi_sgl->sge32[n].length),
1725 le32_to_cpu(mfi_sgl->sge32[n].phys_addr));
1726 }
1727 }
1728 }
1729 dev_err(&instance->pdev->dev, "[%d]: Pending Internal cmds in FW : \n",instance->host->host_no);
1730 for (i = 0; i < max_cmd; i++) {
1731
1732 cmd = instance->cmd_list[i];
1733
1734 if (cmd->sync_cmd == 1)
1735 dev_err(&instance->pdev->dev, "0x%08lx : ", (unsigned long)cmd->frame_phys_addr);
1736 }
1737 dev_err(&instance->pdev->dev, "[%d]: Dumping Done\n\n",instance->host->host_no);
1738}
1739
1740u32
1741megasas_build_and_issue_cmd(struct megasas_instance *instance,
1742 struct scsi_cmnd *scmd)
1743{
1744 struct megasas_cmd *cmd;
1745 u32 frame_count;
1746
1747 cmd = megasas_get_cmd(instance);
1748 if (!cmd)
1749 return SCSI_MLQUEUE_HOST_BUSY;
1750
1751
1752
1753
1754 if (megasas_cmd_type(scmd) == READ_WRITE_LDIO)
1755 frame_count = megasas_build_ldio(instance, scmd, cmd);
1756 else
1757 frame_count = megasas_build_dcdb(instance, scmd, cmd);
1758
1759 if (!frame_count)
1760 goto out_return_cmd;
1761
1762 cmd->scmd = scmd;
1763 scmd->SCp.ptr = (char *)cmd;
1764
1765
1766
1767
1768 atomic_inc(&instance->fw_outstanding);
1769
1770 instance->instancet->fire_cmd(instance, cmd->frame_phys_addr,
1771 cmd->frame_count-1, instance->reg_set);
1772
1773 return 0;
1774out_return_cmd:
1775 megasas_return_cmd(instance, cmd);
1776 return SCSI_MLQUEUE_HOST_BUSY;
1777}
1778
1779
1780
1781
1782
1783
1784
1785static int
1786megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
1787{
1788 struct megasas_instance *instance;
1789 struct MR_PRIV_DEVICE *mr_device_priv_data;
1790 u32 ld_tgt_id;
1791
1792 instance = (struct megasas_instance *)
1793 scmd->device->host->hostdata;
1794
1795 if (instance->unload == 1) {
1796 scmd->result = DID_NO_CONNECT << 16;
1797 scsi_done(scmd);
1798 return 0;
1799 }
1800
1801 if (instance->issuepend_done == 0)
1802 return SCSI_MLQUEUE_HOST_BUSY;
1803
1804
1805
1806 if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) {
1807 if (megasas_check_mpio_paths(instance, scmd) ==
1808 (DID_REQUEUE << 16)) {
1809 return SCSI_MLQUEUE_HOST_BUSY;
1810 } else {
1811 scmd->result = DID_NO_CONNECT << 16;
1812 scsi_done(scmd);
1813 return 0;
1814 }
1815 }
1816
1817 mr_device_priv_data = scmd->device->hostdata;
1818 if (!mr_device_priv_data ||
1819 (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) {
1820 scmd->result = DID_NO_CONNECT << 16;
1821 scsi_done(scmd);
1822 return 0;
1823 }
1824
1825 if (MEGASAS_IS_LOGICAL(scmd->device)) {
1826 ld_tgt_id = MEGASAS_TARGET_ID(scmd->device);
1827 if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) {
1828 scmd->result = DID_NO_CONNECT << 16;
1829 scsi_done(scmd);
1830 return 0;
1831 }
1832 }
1833
1834 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
1835 return SCSI_MLQUEUE_HOST_BUSY;
1836
1837 if (mr_device_priv_data->tm_busy)
1838 return SCSI_MLQUEUE_DEVICE_BUSY;
1839
1840
1841 scmd->result = 0;
1842
1843 if (MEGASAS_IS_LOGICAL(scmd->device) &&
1844 (scmd->device->id >= instance->fw_supported_vd_count ||
1845 scmd->device->lun)) {
1846 scmd->result = DID_BAD_TARGET << 16;
1847 goto out_done;
1848 }
1849
1850 if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) &&
1851 MEGASAS_IS_LOGICAL(scmd->device) &&
1852 (!instance->fw_sync_cache_support)) {
1853 scmd->result = DID_OK << 16;
1854 goto out_done;
1855 }
1856
1857 return instance->instancet->build_and_issue_cmd(instance, scmd);
1858
1859 out_done:
1860 scsi_done(scmd);
1861 return 0;
1862}
1863
1864static struct megasas_instance *megasas_lookup_instance(u16 host_no)
1865{
1866 int i;
1867
1868 for (i = 0; i < megasas_mgmt_info.max_index; i++) {
1869
1870 if ((megasas_mgmt_info.instance[i]) &&
1871 (megasas_mgmt_info.instance[i]->host->host_no == host_no))
1872 return megasas_mgmt_info.instance[i];
1873 }
1874
1875 return NULL;
1876}
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
1891 bool is_target_prop)
1892{
1893 u16 pd_index = 0, ld;
1894 u32 device_id;
1895 struct megasas_instance *instance;
1896 struct fusion_context *fusion;
1897 struct MR_PRIV_DEVICE *mr_device_priv_data;
1898 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
1899 struct MR_LD_RAID *raid;
1900 struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
1901
1902 instance = megasas_lookup_instance(sdev->host->host_no);
1903 fusion = instance->ctrl_context;
1904 mr_device_priv_data = sdev->hostdata;
1905
1906 if (!fusion || !mr_device_priv_data)
1907 return;
1908
1909 if (MEGASAS_IS_LOGICAL(sdev)) {
1910 device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL)
1911 + sdev->id;
1912 local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
1913 ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
1914 if (ld >= instance->fw_supported_vd_count)
1915 return;
1916 raid = MR_LdRaidGet(ld, local_map_ptr);
1917
1918 if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER)
1919 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1920
1921 mr_device_priv_data->is_tm_capable =
1922 raid->capability.tmCapable;
1923
1924 if (!raid->flags.isEPD)
1925 sdev->no_write_same = 1;
1926
1927 } else if (instance->use_seqnum_jbod_fp) {
1928 pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
1929 sdev->id;
1930 pd_sync = (void *)fusion->pd_seq_sync
1931 [(instance->pd_seq_map_id - 1) & 1];
1932 mr_device_priv_data->is_tm_capable =
1933 pd_sync->seq[pd_index].capability.tmCapable;
1934 }
1935
1936 if (is_target_prop && instance->tgt_prop->reset_tmo) {
1937
1938
1939
1940
1941 mr_device_priv_data->target_reset_tmo =
1942 min_t(u8, instance->max_reset_tmo,
1943 instance->tgt_prop->reset_tmo);
1944 mr_device_priv_data->task_abort_tmo = instance->task_abort_tmo;
1945 } else {
1946 mr_device_priv_data->target_reset_tmo =
1947 MEGASAS_DEFAULT_TM_TIMEOUT;
1948 mr_device_priv_data->task_abort_tmo =
1949 MEGASAS_DEFAULT_TM_TIMEOUT;
1950 }
1951}
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969static inline void
1970megasas_set_nvme_device_properties(struct scsi_device *sdev, u32 max_io_size)
1971{
1972 struct megasas_instance *instance;
1973 u32 mr_nvme_pg_size;
1974
1975 instance = (struct megasas_instance *)sdev->host->hostdata;
1976 mr_nvme_pg_size = max_t(u32, instance->nvme_page_size,
1977 MR_DEFAULT_NVME_PAGE_SIZE);
1978
1979 blk_queue_max_hw_sectors(sdev->request_queue, (max_io_size / 512));
1980
1981 blk_queue_flag_set(QUEUE_FLAG_NOMERGES, sdev->request_queue);
1982 blk_queue_virt_boundary(sdev->request_queue, mr_nvme_pg_size - 1);
1983}
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993static void megasas_set_fw_assisted_qd(struct scsi_device *sdev,
1994 bool is_target_prop)
1995{
1996 u8 interface_type;
1997 u32 device_qd = MEGASAS_DEFAULT_CMD_PER_LUN;
1998 u32 tgt_device_qd;
1999 struct megasas_instance *instance;
2000 struct MR_PRIV_DEVICE *mr_device_priv_data;
2001
2002 instance = megasas_lookup_instance(sdev->host->host_no);
2003 mr_device_priv_data = sdev->hostdata;
2004 interface_type = mr_device_priv_data->interface_type;
2005
2006 switch (interface_type) {
2007 case SAS_PD:
2008 device_qd = MEGASAS_SAS_QD;
2009 break;
2010 case SATA_PD:
2011 device_qd = MEGASAS_SATA_QD;
2012 break;
2013 case NVME_PD:
2014 device_qd = MEGASAS_NVME_QD;
2015 break;
2016 }
2017
2018 if (is_target_prop) {
2019 tgt_device_qd = le32_to_cpu(instance->tgt_prop->device_qdepth);
2020 if (tgt_device_qd)
2021 device_qd = min(instance->host->can_queue,
2022 (int)tgt_device_qd);
2023 }
2024
2025 if (instance->enable_sdev_max_qd && interface_type != UNKNOWN_DRIVE)
2026 device_qd = instance->host->can_queue;
2027
2028 scsi_change_queue_depth(sdev, device_qd);
2029}
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043static void megasas_set_static_target_properties(struct scsi_device *sdev,
2044 bool is_target_prop)
2045{
2046 u32 max_io_size_kb = MR_DEFAULT_NVME_MDTS_KB;
2047 struct megasas_instance *instance;
2048
2049 instance = megasas_lookup_instance(sdev->host->host_no);
2050
2051
2052
2053
2054 blk_queue_rq_timeout(sdev->request_queue, scmd_timeout * HZ);
2055
2056
2057
2058
2059 if (is_target_prop)
2060 max_io_size_kb = le32_to_cpu(instance->tgt_prop->max_io_size_kb);
2061
2062 if (instance->nvme_page_size && max_io_size_kb)
2063 megasas_set_nvme_device_properties(sdev, (max_io_size_kb << 10));
2064
2065 megasas_set_fw_assisted_qd(sdev, is_target_prop);
2066}
2067
2068
2069static int megasas_slave_configure(struct scsi_device *sdev)
2070{
2071 u16 pd_index = 0;
2072 struct megasas_instance *instance;
2073 int ret_target_prop = DCMD_FAILED;
2074 bool is_target_prop = false;
2075
2076 instance = megasas_lookup_instance(sdev->host->host_no);
2077 if (instance->pd_list_not_supported) {
2078 if (!MEGASAS_IS_LOGICAL(sdev) && sdev->type == TYPE_DISK) {
2079 pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
2080 sdev->id;
2081 if (instance->pd_list[pd_index].driveState !=
2082 MR_PD_STATE_SYSTEM)
2083 return -ENXIO;
2084 }
2085 }
2086
2087 mutex_lock(&instance->reset_mutex);
2088
2089 if ((instance->pd_info) && !MEGASAS_IS_LOGICAL(sdev))
2090 megasas_get_pd_info(instance, sdev);
2091
2092
2093
2094
2095 if ((instance->tgt_prop) && (instance->nvme_page_size))
2096 ret_target_prop = megasas_get_target_prop(instance, sdev);
2097
2098 is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false;
2099 megasas_set_static_target_properties(sdev, is_target_prop);
2100
2101
2102 megasas_set_dynamic_target_properties(sdev, is_target_prop);
2103
2104 mutex_unlock(&instance->reset_mutex);
2105
2106 return 0;
2107}
2108
2109static int megasas_slave_alloc(struct scsi_device *sdev)
2110{
2111 u16 pd_index = 0, ld_tgt_id;
2112 struct megasas_instance *instance ;
2113 struct MR_PRIV_DEVICE *mr_device_priv_data;
2114
2115 instance = megasas_lookup_instance(sdev->host->host_no);
2116 if (!MEGASAS_IS_LOGICAL(sdev)) {
2117
2118
2119
2120 pd_index =
2121 (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
2122 sdev->id;
2123 if ((instance->pd_list_not_supported ||
2124 instance->pd_list[pd_index].driveState ==
2125 MR_PD_STATE_SYSTEM)) {
2126 goto scan_target;
2127 }
2128 return -ENXIO;
2129 }
2130
2131scan_target:
2132 mr_device_priv_data = kzalloc(sizeof(*mr_device_priv_data),
2133 GFP_KERNEL);
2134 if (!mr_device_priv_data)
2135 return -ENOMEM;
2136
2137 if (MEGASAS_IS_LOGICAL(sdev)) {
2138 ld_tgt_id = MEGASAS_TARGET_ID(sdev);
2139 instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE;
2140 if (megasas_dbg_lvl & LD_PD_DEBUG)
2141 sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id);
2142 }
2143
2144 sdev->hostdata = mr_device_priv_data;
2145
2146 atomic_set(&mr_device_priv_data->r1_ldio_hint,
2147 instance->r1_ldio_hint_default);
2148 return 0;
2149}
2150
2151static void megasas_slave_destroy(struct scsi_device *sdev)
2152{
2153 u16 ld_tgt_id;
2154 struct megasas_instance *instance;
2155
2156 instance = megasas_lookup_instance(sdev->host->host_no);
2157
2158 if (MEGASAS_IS_LOGICAL(sdev)) {
2159 ld_tgt_id = MEGASAS_TARGET_ID(sdev);
2160 instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED;
2161 if (megasas_dbg_lvl & LD_PD_DEBUG)
2162 sdev_printk(KERN_INFO, sdev,
2163 "LD target ID %d removed from OS stack\n", ld_tgt_id);
2164 }
2165
2166 kfree(sdev->hostdata);
2167 sdev->hostdata = NULL;
2168}
2169
2170
2171
2172
2173
2174
2175
2176static void megasas_complete_outstanding_ioctls(struct megasas_instance *instance)
2177{
2178 int i;
2179 struct megasas_cmd *cmd_mfi;
2180 struct megasas_cmd_fusion *cmd_fusion;
2181 struct fusion_context *fusion = instance->ctrl_context;
2182
2183
2184 if (fusion) {
2185 for (i = 0; i < instance->max_fw_cmds; i++) {
2186 cmd_fusion = fusion->cmd_list[i];
2187 if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) {
2188 cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
2189 if (cmd_mfi->sync_cmd &&
2190 (cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) {
2191 cmd_mfi->frame->hdr.cmd_status =
2192 MFI_STAT_WRONG_STATE;
2193 megasas_complete_cmd(instance,
2194 cmd_mfi, DID_OK);
2195 }
2196 }
2197 }
2198 } else {
2199 for (i = 0; i < instance->max_fw_cmds; i++) {
2200 cmd_mfi = instance->cmd_list[i];
2201 if (cmd_mfi->sync_cmd && cmd_mfi->frame->hdr.cmd !=
2202 MFI_CMD_ABORT)
2203 megasas_complete_cmd(instance, cmd_mfi, DID_OK);
2204 }
2205 }
2206}
2207
2208
2209void megaraid_sas_kill_hba(struct megasas_instance *instance)
2210{
2211 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
2212 dev_warn(&instance->pdev->dev,
2213 "Adapter already dead, skipping kill HBA\n");
2214 return;
2215 }
2216
2217
2218 atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR);
2219
2220 msleep(1000);
2221 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
2222 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
2223 (instance->adapter_type != MFI_SERIES)) {
2224 if (!instance->requestorId) {
2225 writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
2226
2227 readl(&instance->reg_set->doorbell);
2228 }
2229 if (instance->requestorId && instance->peerIsPresent)
2230 memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
2231 } else {
2232 writel(MFI_STOP_ADP,
2233 &instance->reg_set->inbound_doorbell);
2234 }
2235
2236 megasas_complete_outstanding_ioctls(instance);
2237}
2238
2239
2240
2241
2242
2243
2244
2245void
2246megasas_check_and_restore_queue_depth(struct megasas_instance *instance)
2247{
2248 unsigned long flags;
2249
2250 if (instance->flag & MEGASAS_FW_BUSY
2251 && time_after(jiffies, instance->last_time + 5 * HZ)
2252 && atomic_read(&instance->fw_outstanding) <
2253 instance->throttlequeuedepth + 1) {
2254
2255 spin_lock_irqsave(instance->host->host_lock, flags);
2256 instance->flag &= ~MEGASAS_FW_BUSY;
2257
2258 instance->host->can_queue = instance->cur_can_queue;
2259 spin_unlock_irqrestore(instance->host->host_lock, flags);
2260 }
2261}
2262
2263
2264
2265
2266
2267
2268
2269static void megasas_complete_cmd_dpc(unsigned long instance_addr)
2270{
2271 u32 producer;
2272 u32 consumer;
2273 u32 context;
2274 struct megasas_cmd *cmd;
2275 struct megasas_instance *instance =
2276 (struct megasas_instance *)instance_addr;
2277 unsigned long flags;
2278
2279
2280 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
2281 return;
2282
2283 spin_lock_irqsave(&instance->completion_lock, flags);
2284
2285 producer = le32_to_cpu(*instance->producer);
2286 consumer = le32_to_cpu(*instance->consumer);
2287
2288 while (consumer != producer) {
2289 context = le32_to_cpu(instance->reply_queue[consumer]);
2290 if (context >= instance->max_fw_cmds) {
2291 dev_err(&instance->pdev->dev, "Unexpected context value %x\n",
2292 context);
2293 BUG();
2294 }
2295
2296 cmd = instance->cmd_list[context];
2297
2298 megasas_complete_cmd(instance, cmd, DID_OK);
2299
2300 consumer++;
2301 if (consumer == (instance->max_fw_cmds + 1)) {
2302 consumer = 0;
2303 }
2304 }
2305
2306 *instance->consumer = cpu_to_le32(producer);
2307
2308 spin_unlock_irqrestore(&instance->completion_lock, flags);
2309
2310
2311
2312
2313 megasas_check_and_restore_queue_depth(instance);
2314}
2315
2316static void megasas_sriov_heartbeat_handler(struct timer_list *t);
2317
2318
2319
2320
2321
2322
2323void megasas_start_timer(struct megasas_instance *instance)
2324{
2325 struct timer_list *timer = &instance->sriov_heartbeat_timer;
2326
2327 timer_setup(timer, megasas_sriov_heartbeat_handler, 0);
2328 timer->expires = jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF;
2329 add_timer(timer);
2330}
2331
2332static void
2333megasas_internal_reset_defer_cmds(struct megasas_instance *instance);
2334
2335static void
2336process_fw_state_change_wq(struct work_struct *work);
2337
2338static void megasas_do_ocr(struct megasas_instance *instance)
2339{
2340 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) ||
2341 (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) ||
2342 (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) {
2343 *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN);
2344 }
2345 instance->instancet->disable_intr(instance);
2346 atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT);
2347 instance->issuepend_done = 0;
2348
2349 atomic_set(&instance->fw_outstanding, 0);
2350 megasas_internal_reset_defer_cmds(instance);
2351 process_fw_state_change_wq(&instance->work_init);
2352}
2353
2354static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
2355 int initial)
2356{
2357 struct megasas_cmd *cmd;
2358 struct megasas_dcmd_frame *dcmd;
2359 struct MR_LD_VF_AFFILIATION_111 *new_affiliation_111 = NULL;
2360 dma_addr_t new_affiliation_111_h;
2361 int ld, retval = 0;
2362 u8 thisVf;
2363
2364 cmd = megasas_get_cmd(instance);
2365
2366 if (!cmd) {
2367 dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation_111:"
2368 "Failed to get cmd for scsi%d\n",
2369 instance->host->host_no);
2370 return -ENOMEM;
2371 }
2372
2373 dcmd = &cmd->frame->dcmd;
2374
2375 if (!instance->vf_affiliation_111) {
2376 dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF "
2377 "affiliation for scsi%d\n", instance->host->host_no);
2378 megasas_return_cmd(instance, cmd);
2379 return -ENOMEM;
2380 }
2381
2382 if (initial)
2383 memset(instance->vf_affiliation_111, 0,
2384 sizeof(struct MR_LD_VF_AFFILIATION_111));
2385 else {
2386 new_affiliation_111 =
2387 dma_alloc_coherent(&instance->pdev->dev,
2388 sizeof(struct MR_LD_VF_AFFILIATION_111),
2389 &new_affiliation_111_h, GFP_KERNEL);
2390 if (!new_affiliation_111) {
2391 dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
2392 "memory for new affiliation for scsi%d\n",
2393 instance->host->host_no);
2394 megasas_return_cmd(instance, cmd);
2395 return -ENOMEM;
2396 }
2397 }
2398
2399 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
2400
2401 dcmd->cmd = MFI_CMD_DCMD;
2402 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
2403 dcmd->sge_count = 1;
2404 dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH);
2405 dcmd->timeout = 0;
2406 dcmd->pad_0 = 0;
2407 dcmd->data_xfer_len =
2408 cpu_to_le32(sizeof(struct MR_LD_VF_AFFILIATION_111));
2409 dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111);
2410
2411 if (initial)
2412 dcmd->sgl.sge32[0].phys_addr =
2413 cpu_to_le32(instance->vf_affiliation_111_h);
2414 else
2415 dcmd->sgl.sge32[0].phys_addr =
2416 cpu_to_le32(new_affiliation_111_h);
2417
2418 dcmd->sgl.sge32[0].length = cpu_to_le32(
2419 sizeof(struct MR_LD_VF_AFFILIATION_111));
2420
2421 dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for "
2422 "scsi%d\n", instance->host->host_no);
2423
2424 if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) {
2425 dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD"
2426 " failed with status 0x%x for scsi%d\n",
2427 dcmd->cmd_status, instance->host->host_no);
2428 retval = 1;
2429 goto out;
2430 }
2431
2432 if (!initial) {
2433 thisVf = new_affiliation_111->thisVf;
2434 for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++)
2435 if (instance->vf_affiliation_111->map[ld].policy[thisVf] !=
2436 new_affiliation_111->map[ld].policy[thisVf]) {
2437 dev_warn(&instance->pdev->dev, "SR-IOV: "
2438 "Got new LD/VF affiliation for scsi%d\n",
2439 instance->host->host_no);
2440 memcpy(instance->vf_affiliation_111,
2441 new_affiliation_111,
2442 sizeof(struct MR_LD_VF_AFFILIATION_111));
2443 retval = 1;
2444 goto out;
2445 }
2446 }
2447out:
2448 if (new_affiliation_111) {
2449 dma_free_coherent(&instance->pdev->dev,
2450 sizeof(struct MR_LD_VF_AFFILIATION_111),
2451 new_affiliation_111,
2452 new_affiliation_111_h);
2453 }
2454
2455 megasas_return_cmd(instance, cmd);
2456
2457 return retval;
2458}
2459
2460static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance,
2461 int initial)
2462{
2463 struct megasas_cmd *cmd;
2464 struct megasas_dcmd_frame *dcmd;
2465 struct MR_LD_VF_AFFILIATION *new_affiliation = NULL;
2466 struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL;
2467 dma_addr_t new_affiliation_h;
2468 int i, j, retval = 0, found = 0, doscan = 0;
2469 u8 thisVf;
2470
2471 cmd = megasas_get_cmd(instance);
2472
2473 if (!cmd) {
2474 dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation12: "
2475 "Failed to get cmd for scsi%d\n",
2476 instance->host->host_no);
2477 return -ENOMEM;
2478 }
2479
2480 dcmd = &cmd->frame->dcmd;
2481
2482 if (!instance->vf_affiliation) {
2483 dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF "
2484 "affiliation for scsi%d\n", instance->host->host_no);
2485 megasas_return_cmd(instance, cmd);
2486 return -ENOMEM;
2487 }
2488
2489 if (initial)
2490 memset(instance->vf_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) *
2491 sizeof(struct MR_LD_VF_AFFILIATION));
2492 else {
2493 new_affiliation =
2494 dma_alloc_coherent(&instance->pdev->dev,
2495 (MAX_LOGICAL_DRIVES + 1) * sizeof(struct MR_LD_VF_AFFILIATION),
2496 &new_affiliation_h, GFP_KERNEL);
2497 if (!new_affiliation) {
2498 dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
2499 "memory for new affiliation for scsi%d\n",
2500 instance->host->host_no);
2501 megasas_return_cmd(instance, cmd);
2502 return -ENOMEM;
2503 }
2504 }
2505
2506 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
2507
2508 dcmd->cmd = MFI_CMD_DCMD;
2509 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
2510 dcmd->sge_count = 1;
2511 dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH);
2512 dcmd->timeout = 0;
2513 dcmd->pad_0 = 0;
2514 dcmd->data_xfer_len = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) *
2515 sizeof(struct MR_LD_VF_AFFILIATION));
2516 dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS);
2517
2518 if (initial)
2519 dcmd->sgl.sge32[0].phys_addr =
2520 cpu_to_le32(instance->vf_affiliation_h);
2521 else
2522 dcmd->sgl.sge32[0].phys_addr =
2523 cpu_to_le32(new_affiliation_h);
2524
2525 dcmd->sgl.sge32[0].length = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) *
2526 sizeof(struct MR_LD_VF_AFFILIATION));
2527
2528 dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for "
2529 "scsi%d\n", instance->host->host_no);
2530
2531
2532 if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) {
2533 dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD"
2534 " failed with status 0x%x for scsi%d\n",
2535 dcmd->cmd_status, instance->host->host_no);
2536 retval = 1;
2537 goto out;
2538 }
2539
2540 if (!initial) {
2541 if (!new_affiliation->ldCount) {
2542 dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF "
2543 "affiliation for passive path for scsi%d\n",
2544 instance->host->host_no);
2545 retval = 1;
2546 goto out;
2547 }
2548 newmap = new_affiliation->map;
2549 savedmap = instance->vf_affiliation->map;
2550 thisVf = new_affiliation->thisVf;
2551 for (i = 0 ; i < new_affiliation->ldCount; i++) {
2552 found = 0;
2553 for (j = 0; j < instance->vf_affiliation->ldCount;
2554 j++) {
2555 if (newmap->ref.targetId ==
2556 savedmap->ref.targetId) {
2557 found = 1;
2558 if (newmap->policy[thisVf] !=
2559 savedmap->policy[thisVf]) {
2560 doscan = 1;
2561 goto out;
2562 }
2563 }
2564 savedmap = (struct MR_LD_VF_MAP *)
2565 ((unsigned char *)savedmap +
2566 savedmap->size);
2567 }
2568 if (!found && newmap->policy[thisVf] !=
2569 MR_LD_ACCESS_HIDDEN) {
2570 doscan = 1;
2571 goto out;
2572 }
2573 newmap = (struct MR_LD_VF_MAP *)
2574 ((unsigned char *)newmap + newmap->size);
2575 }
2576
2577 newmap = new_affiliation->map;
2578 savedmap = instance->vf_affiliation->map;
2579
2580 for (i = 0 ; i < instance->vf_affiliation->ldCount; i++) {
2581 found = 0;
2582 for (j = 0 ; j < new_affiliation->ldCount; j++) {
2583 if (savedmap->ref.targetId ==
2584 newmap->ref.targetId) {
2585 found = 1;
2586 if (savedmap->policy[thisVf] !=
2587 newmap->policy[thisVf]) {
2588 doscan = 1;
2589 goto out;
2590 }
2591 }
2592 newmap = (struct MR_LD_VF_MAP *)
2593 ((unsigned char *)newmap +
2594 newmap->size);
2595 }
2596 if (!found && savedmap->policy[thisVf] !=
2597 MR_LD_ACCESS_HIDDEN) {
2598 doscan = 1;
2599 goto out;
2600 }
2601 savedmap = (struct MR_LD_VF_MAP *)
2602 ((unsigned char *)savedmap +
2603 savedmap->size);
2604 }
2605 }
2606out:
2607 if (doscan) {
2608 dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF "
2609 "affiliation for scsi%d\n", instance->host->host_no);
2610 memcpy(instance->vf_affiliation, new_affiliation,
2611 new_affiliation->size);
2612 retval = 1;
2613 }
2614
2615 if (new_affiliation)
2616 dma_free_coherent(&instance->pdev->dev,
2617 (MAX_LOGICAL_DRIVES + 1) *
2618 sizeof(struct MR_LD_VF_AFFILIATION),
2619 new_affiliation, new_affiliation_h);
2620 megasas_return_cmd(instance, cmd);
2621
2622 return retval;
2623}
2624
2625
2626static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance,
2627 int initial)
2628{
2629 int retval;
2630
2631 if (instance->PlasmaFW111)
2632 retval = megasas_get_ld_vf_affiliation_111(instance, initial);
2633 else
2634 retval = megasas_get_ld_vf_affiliation_12(instance, initial);
2635 return retval;
2636}
2637
2638
2639int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
2640 int initial)
2641{
2642 struct megasas_cmd *cmd;
2643 struct megasas_dcmd_frame *dcmd;
2644 int retval = 0;
2645
2646 cmd = megasas_get_cmd(instance);
2647
2648 if (!cmd) {
2649 dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_sriov_start_heartbeat: "
2650 "Failed to get cmd for scsi%d\n",
2651 instance->host->host_no);
2652 return -ENOMEM;
2653 }
2654
2655 dcmd = &cmd->frame->dcmd;
2656
2657 if (initial) {
2658 instance->hb_host_mem =
2659 dma_alloc_coherent(&instance->pdev->dev,
2660 sizeof(struct MR_CTRL_HB_HOST_MEM),
2661 &instance->hb_host_mem_h,
2662 GFP_KERNEL);
2663 if (!instance->hb_host_mem) {
2664 dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate"
2665 " memory for heartbeat host memory for scsi%d\n",
2666 instance->host->host_no);
2667 retval = -ENOMEM;
2668 goto out;
2669 }
2670 }
2671
2672 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
2673
2674 dcmd->mbox.s[0] = cpu_to_le16(sizeof(struct MR_CTRL_HB_HOST_MEM));
2675 dcmd->cmd = MFI_CMD_DCMD;
2676 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
2677 dcmd->sge_count = 1;
2678 dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH);
2679 dcmd->timeout = 0;
2680 dcmd->pad_0 = 0;
2681 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_CTRL_HB_HOST_MEM));
2682 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC);
2683
2684 megasas_set_dma_settings(instance, dcmd, instance->hb_host_mem_h,
2685 sizeof(struct MR_CTRL_HB_HOST_MEM));
2686
2687 dev_warn(&instance->pdev->dev, "SR-IOV: Starting heartbeat for scsi%d\n",
2688 instance->host->host_no);
2689
2690 if ((instance->adapter_type != MFI_SERIES) &&
2691 !instance->mask_interrupts)
2692 retval = megasas_issue_blocked_cmd(instance, cmd,
2693 MEGASAS_ROUTINE_WAIT_TIME_VF);
2694 else
2695 retval = megasas_issue_polled(instance, cmd);
2696
2697 if (retval) {
2698 dev_warn(&instance->pdev->dev, "SR-IOV: MR_DCMD_CTRL_SHARED_HOST"
2699 "_MEM_ALLOC DCMD %s for scsi%d\n",
2700 (dcmd->cmd_status == MFI_STAT_INVALID_STATUS) ?
2701 "timed out" : "failed", instance->host->host_no);
2702 retval = 1;
2703 }
2704
2705out:
2706 megasas_return_cmd(instance, cmd);
2707
2708 return retval;
2709}
2710
2711
2712static void megasas_sriov_heartbeat_handler(struct timer_list *t)
2713{
2714 struct megasas_instance *instance =
2715 from_timer(instance, t, sriov_heartbeat_timer);
2716
2717 if (instance->hb_host_mem->HB.fwCounter !=
2718 instance->hb_host_mem->HB.driverCounter) {
2719 instance->hb_host_mem->HB.driverCounter =
2720 instance->hb_host_mem->HB.fwCounter;
2721 mod_timer(&instance->sriov_heartbeat_timer,
2722 jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF);
2723 } else {
2724 dev_warn(&instance->pdev->dev, "SR-IOV: Heartbeat never "
2725 "completed for scsi%d\n", instance->host->host_no);
2726 schedule_work(&instance->work_init);
2727 }
2728}
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738static int megasas_wait_for_outstanding(struct megasas_instance *instance)
2739{
2740 int i, sl, outstanding;
2741 u32 reset_index;
2742 u32 wait_time = MEGASAS_RESET_WAIT_TIME;
2743 unsigned long flags;
2744 struct list_head clist_local;
2745 struct megasas_cmd *reset_cmd;
2746 u32 fw_state;
2747
2748 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
2749 dev_info(&instance->pdev->dev, "%s:%d HBA is killed.\n",
2750 __func__, __LINE__);
2751 return FAILED;
2752 }
2753
2754 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
2755
2756 INIT_LIST_HEAD(&clist_local);
2757 spin_lock_irqsave(&instance->hba_lock, flags);
2758 list_splice_init(&instance->internal_reset_pending_q,
2759 &clist_local);
2760 spin_unlock_irqrestore(&instance->hba_lock, flags);
2761
2762 dev_notice(&instance->pdev->dev, "HBA reset wait ...\n");
2763 for (i = 0; i < wait_time; i++) {
2764 msleep(1000);
2765 if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL)
2766 break;
2767 }
2768
2769 if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
2770 dev_notice(&instance->pdev->dev, "reset: Stopping HBA.\n");
2771 atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR);
2772 return FAILED;
2773 }
2774
2775 reset_index = 0;
2776 while (!list_empty(&clist_local)) {
2777 reset_cmd = list_entry((&clist_local)->next,
2778 struct megasas_cmd, list);
2779 list_del_init(&reset_cmd->list);
2780 if (reset_cmd->scmd) {
2781 reset_cmd->scmd->result = DID_REQUEUE << 16;
2782 dev_notice(&instance->pdev->dev, "%d:%p reset [%02x]\n",
2783 reset_index, reset_cmd,
2784 reset_cmd->scmd->cmnd[0]);
2785
2786 scsi_done(reset_cmd->scmd);
2787 megasas_return_cmd(instance, reset_cmd);
2788 } else if (reset_cmd->sync_cmd) {
2789 dev_notice(&instance->pdev->dev, "%p synch cmds"
2790 "reset queue\n",
2791 reset_cmd);
2792
2793 reset_cmd->cmd_status_drv = DCMD_INIT;
2794 instance->instancet->fire_cmd(instance,
2795 reset_cmd->frame_phys_addr,
2796 0, instance->reg_set);
2797 } else {
2798 dev_notice(&instance->pdev->dev, "%p unexpected"
2799 "cmds lst\n",
2800 reset_cmd);
2801 }
2802 reset_index++;
2803 }
2804
2805 return SUCCESS;
2806 }
2807
2808 for (i = 0; i < resetwaittime; i++) {
2809 outstanding = atomic_read(&instance->fw_outstanding);
2810
2811 if (!outstanding)
2812 break;
2813
2814 if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) {
2815 dev_notice(&instance->pdev->dev, "[%2d]waiting for %d "
2816 "commands to complete\n",i,outstanding);
2817
2818
2819
2820
2821 megasas_complete_cmd_dpc((unsigned long)instance);
2822 }
2823
2824 msleep(1000);
2825 }
2826
2827 i = 0;
2828 outstanding = atomic_read(&instance->fw_outstanding);
2829 fw_state = instance->instancet->read_fw_status_reg(instance) & MFI_STATE_MASK;
2830
2831 if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL)))
2832 goto no_outstanding;
2833
2834 if (instance->disableOnlineCtrlReset)
2835 goto kill_hba_and_failed;
2836 do {
2837 if ((fw_state == MFI_STATE_FAULT) || atomic_read(&instance->fw_outstanding)) {
2838 dev_info(&instance->pdev->dev,
2839 "%s:%d waiting_for_outstanding: before issue OCR. FW state = 0x%x, outstanding 0x%x\n",
2840 __func__, __LINE__, fw_state, atomic_read(&instance->fw_outstanding));
2841 if (i == 3)
2842 goto kill_hba_and_failed;
2843 megasas_do_ocr(instance);
2844
2845 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
2846 dev_info(&instance->pdev->dev, "%s:%d OCR failed and HBA is killed.\n",
2847 __func__, __LINE__);
2848 return FAILED;
2849 }
2850 dev_info(&instance->pdev->dev, "%s:%d waiting_for_outstanding: after issue OCR.\n",
2851 __func__, __LINE__);
2852
2853 for (sl = 0; sl < 10; sl++)
2854 msleep(500);
2855
2856 outstanding = atomic_read(&instance->fw_outstanding);
2857
2858 fw_state = instance->instancet->read_fw_status_reg(instance) & MFI_STATE_MASK;
2859 if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL)))
2860 goto no_outstanding;
2861 }
2862 i++;
2863 } while (i <= 3);
2864
2865no_outstanding:
2866
2867 dev_info(&instance->pdev->dev, "%s:%d no more pending commands remain after reset handling.\n",
2868 __func__, __LINE__);
2869 return SUCCESS;
2870
2871kill_hba_and_failed:
2872
2873
2874 dev_info(&instance->pdev->dev, "%s:%d killing adapter scsi%d"
2875 " disableOnlineCtrlReset %d fw_outstanding %d \n",
2876 __func__, __LINE__, instance->host->host_no, instance->disableOnlineCtrlReset,
2877 atomic_read(&instance->fw_outstanding));
2878 megasas_dump_pending_frames(instance);
2879 megaraid_sas_kill_hba(instance);
2880
2881 return FAILED;
2882}
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892static int megasas_generic_reset(struct scsi_cmnd *scmd)
2893{
2894 int ret_val;
2895 struct megasas_instance *instance;
2896
2897 instance = (struct megasas_instance *)scmd->device->host->hostdata;
2898
2899 scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n",
2900 scmd->cmnd[0], scmd->retries);
2901
2902 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
2903 dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n");
2904 return FAILED;
2905 }
2906
2907 ret_val = megasas_wait_for_outstanding(instance);
2908 if (ret_val == SUCCESS)
2909 dev_notice(&instance->pdev->dev, "reset successful\n");
2910 else
2911 dev_err(&instance->pdev->dev, "failed to do reset\n");
2912
2913 return ret_val;
2914}
2915
2916
2917
2918
2919
2920
2921
2922
2923static enum
2924blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
2925{
2926 struct megasas_instance *instance;
2927 unsigned long flags;
2928
2929 if (time_after(jiffies, scmd->jiffies_at_alloc +
2930 (scmd_timeout * 2) * HZ)) {
2931 return BLK_EH_DONE;
2932 }
2933
2934 instance = (struct megasas_instance *)scmd->device->host->hostdata;
2935 if (!(instance->flag & MEGASAS_FW_BUSY)) {
2936
2937 spin_lock_irqsave(instance->host->host_lock, flags);
2938
2939 instance->host->can_queue = instance->throttlequeuedepth;
2940 instance->last_time = jiffies;
2941 instance->flag |= MEGASAS_FW_BUSY;
2942
2943 spin_unlock_irqrestore(instance->host->host_lock, flags);
2944 }
2945 return BLK_EH_RESET_TIMER;
2946}
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956inline void
2957megasas_dump(void *buf, int sz, int format)
2958{
2959 int i;
2960 __le32 *buf_loc = (__le32 *)buf;
2961
2962 for (i = 0; i < (sz / sizeof(__le32)); i++) {
2963 if ((i % format) == 0) {
2964 if (i != 0)
2965 printk(KERN_CONT "\n");
2966 printk(KERN_CONT "%08x: ", (i * 4));
2967 }
2968 printk(KERN_CONT "%08x ", le32_to_cpu(buf_loc[i]));
2969 }
2970 printk(KERN_CONT "\n");
2971}
2972
2973
2974
2975
2976
2977inline void
2978megasas_dump_reg_set(void __iomem *reg_set)
2979{
2980 unsigned int i, sz = 256;
2981 u32 __iomem *reg = (u32 __iomem *)reg_set;
2982
2983 for (i = 0; i < (sz / sizeof(u32)); i++)
2984 printk("%08x: %08x\n", (i * 4), readl(®[i]));
2985}
2986
2987
2988
2989
2990
2991
2992void
2993megasas_dump_fusion_io(struct scsi_cmnd *scmd)
2994{
2995 struct megasas_cmd_fusion *cmd;
2996 union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
2997 struct megasas_instance *instance;
2998
2999 cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr;
3000 instance = (struct megasas_instance *)scmd->device->host->hostdata;
3001
3002 scmd_printk(KERN_INFO, scmd,
3003 "scmd: (0x%p) retries: 0x%x allowed: 0x%x\n",
3004 scmd, scmd->retries, scmd->allowed);
3005 scsi_print_command(scmd);
3006
3007 if (cmd) {
3008 req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc;
3009 scmd_printk(KERN_INFO, scmd, "Request descriptor details:\n");
3010 scmd_printk(KERN_INFO, scmd,
3011 "RequestFlags:0x%x MSIxIndex:0x%x SMID:0x%x LMID:0x%x DevHandle:0x%x\n",
3012 req_desc->SCSIIO.RequestFlags,
3013 req_desc->SCSIIO.MSIxIndex, req_desc->SCSIIO.SMID,
3014 req_desc->SCSIIO.LMID, req_desc->SCSIIO.DevHandle);
3015
3016 printk(KERN_INFO "IO request frame:\n");
3017 megasas_dump(cmd->io_request,
3018 MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE, 8);
3019 printk(KERN_INFO "Chain frame:\n");
3020 megasas_dump(cmd->sg_frame,
3021 instance->max_chain_frame_sz, 8);
3022 }
3023
3024}
3025
3026
3027
3028
3029
3030
3031
3032
3033static inline ssize_t
3034megasas_dump_sys_regs(void __iomem *reg_set, char *buf)
3035{
3036 unsigned int i, sz = 256;
3037 int bytes_wrote = 0;
3038 char *loc = (char *)buf;
3039 u32 __iomem *reg = (u32 __iomem *)reg_set;
3040
3041 for (i = 0; i < sz / sizeof(u32); i++) {
3042 bytes_wrote += scnprintf(loc + bytes_wrote,
3043 PAGE_SIZE - bytes_wrote,
3044 "%08x: %08x\n", (i * 4),
3045 readl(®[i]));
3046 }
3047 return bytes_wrote;
3048}
3049
3050
3051
3052
3053
3054static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
3055{
3056 int ret;
3057 struct megasas_instance *instance;
3058
3059 instance = (struct megasas_instance *)scmd->device->host->hostdata;
3060
3061 scmd_printk(KERN_INFO, scmd,
3062 "OCR is requested due to IO timeout!!\n");
3063
3064 scmd_printk(KERN_INFO, scmd,
3065 "SCSI host state: %d SCSI host busy: %d FW outstanding: %d\n",
3066 scmd->device->host->shost_state,
3067 scsi_host_busy(scmd->device->host),
3068 atomic_read(&instance->fw_outstanding));
3069
3070
3071
3072 if (instance->adapter_type == MFI_SERIES) {
3073 ret = megasas_generic_reset(scmd);
3074 } else {
3075 megasas_dump_fusion_io(scmd);
3076 ret = megasas_reset_fusion(scmd->device->host,
3077 SCSIIO_TIMEOUT_OCR);
3078 }
3079
3080 return ret;
3081}
3082
3083
3084
3085
3086
3087
3088static int megasas_task_abort(struct scsi_cmnd *scmd)
3089{
3090 int ret;
3091 struct megasas_instance *instance;
3092
3093 instance = (struct megasas_instance *)scmd->device->host->hostdata;
3094
3095 if (instance->adapter_type != MFI_SERIES)
3096 ret = megasas_task_abort_fusion(scmd);
3097 else {
3098 sdev_printk(KERN_NOTICE, scmd->device, "TASK ABORT not supported\n");
3099 ret = FAILED;
3100 }
3101
3102 return ret;
3103}
3104
3105
3106
3107
3108
3109
3110static int megasas_reset_target(struct scsi_cmnd *scmd)
3111{
3112 int ret;
3113 struct megasas_instance *instance;
3114
3115 instance = (struct megasas_instance *)scmd->device->host->hostdata;
3116
3117 if (instance->adapter_type != MFI_SERIES)
3118 ret = megasas_reset_target_fusion(scmd);
3119 else {
3120 sdev_printk(KERN_NOTICE, scmd->device, "TARGET RESET not supported\n");
3121 ret = FAILED;
3122 }
3123
3124 return ret;
3125}
3126
3127
3128
3129
3130
3131
3132
3133
3134static int
3135megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev,
3136 sector_t capacity, int geom[])
3137{
3138 int heads;
3139 int sectors;
3140 sector_t cylinders;
3141 unsigned long tmp;
3142
3143
3144 heads = 64;
3145 sectors = 32;
3146
3147 tmp = heads * sectors;
3148 cylinders = capacity;
3149
3150 sector_div(cylinders, tmp);
3151
3152
3153
3154
3155
3156 if (capacity >= 0x200000) {
3157 heads = 255;
3158 sectors = 63;
3159 tmp = heads*sectors;
3160 cylinders = capacity;
3161 sector_div(cylinders, tmp);
3162 }
3163
3164 geom[0] = heads;
3165 geom[1] = sectors;
3166 geom[2] = cylinders;
3167
3168 return 0;
3169}
3170
3171static int megasas_map_queues(struct Scsi_Host *shost)
3172{
3173 struct megasas_instance *instance;
3174 int qoff = 0, offset;
3175 struct blk_mq_queue_map *map;
3176
3177 instance = (struct megasas_instance *)shost->hostdata;
3178
3179 if (shost->nr_hw_queues == 1)
3180 return 0;
3181
3182 offset = instance->low_latency_index_start;
3183
3184
3185 map = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
3186 map->nr_queues = instance->msix_vectors - offset;
3187 map->queue_offset = 0;
3188 blk_mq_pci_map_queues(map, instance->pdev, offset);
3189 qoff += map->nr_queues;
3190 offset += map->nr_queues;
3191
3192
3193 map = &shost->tag_set.map[HCTX_TYPE_POLL];
3194 map->nr_queues = instance->iopoll_q_count;
3195 if (map->nr_queues) {
3196
3197
3198
3199
3200 map->queue_offset = qoff;
3201 blk_mq_map_queues(map);
3202 }
3203
3204 return 0;
3205}
3206
3207static void megasas_aen_polling(struct work_struct *work);
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221static void
3222megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd)
3223{
3224 unsigned long flags;
3225
3226
3227
3228
3229 if ((!cmd->abort_aen) && (instance->unload == 0)) {
3230 spin_lock_irqsave(&poll_aen_lock, flags);
3231 megasas_poll_wait_aen = 1;
3232 spin_unlock_irqrestore(&poll_aen_lock, flags);
3233 wake_up(&megasas_poll_wait);
3234 kill_fasync(&megasas_async_queue, SIGIO, POLL_IN);
3235 }
3236 else
3237 cmd->abort_aen = 0;
3238
3239 instance->aen_cmd = NULL;
3240
3241 megasas_return_cmd(instance, cmd);
3242
3243 if ((instance->unload == 0) &&
3244 ((instance->issuepend_done == 1))) {
3245 struct megasas_aen_event *ev;
3246
3247 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
3248 if (!ev) {
3249 dev_err(&instance->pdev->dev, "megasas_service_aen: out of memory\n");
3250 } else {
3251 ev->instance = instance;
3252 instance->ev = ev;
3253 INIT_DELAYED_WORK(&ev->hotplug_work,
3254 megasas_aen_polling);
3255 schedule_delayed_work(&ev->hotplug_work, 0);
3256 }
3257 }
3258}
3259
3260static ssize_t
3261fw_crash_buffer_store(struct device *cdev,
3262 struct device_attribute *attr, const char *buf, size_t count)
3263{
3264 struct Scsi_Host *shost = class_to_shost(cdev);
3265 struct megasas_instance *instance =
3266 (struct megasas_instance *) shost->hostdata;
3267 int val = 0;
3268 unsigned long flags;
3269
3270 if (kstrtoint(buf, 0, &val) != 0)
3271 return -EINVAL;
3272
3273 spin_lock_irqsave(&instance->crashdump_lock, flags);
3274 instance->fw_crash_buffer_offset = val;
3275 spin_unlock_irqrestore(&instance->crashdump_lock, flags);
3276 return strlen(buf);
3277}
3278
3279static ssize_t
3280fw_crash_buffer_show(struct device *cdev,
3281 struct device_attribute *attr, char *buf)
3282{
3283 struct Scsi_Host *shost = class_to_shost(cdev);
3284 struct megasas_instance *instance =
3285 (struct megasas_instance *) shost->hostdata;
3286 u32 size;
3287 unsigned long dmachunk = CRASH_DMA_BUF_SIZE;
3288 unsigned long chunk_left_bytes;
3289 unsigned long src_addr;
3290 unsigned long flags;
3291 u32 buff_offset;
3292
3293 spin_lock_irqsave(&instance->crashdump_lock, flags);
3294 buff_offset = instance->fw_crash_buffer_offset;
3295 if (!instance->crash_dump_buf &&
3296 !((instance->fw_crash_state == AVAILABLE) ||
3297 (instance->fw_crash_state == COPYING))) {
3298 dev_err(&instance->pdev->dev,
3299 "Firmware crash dump is not available\n");
3300 spin_unlock_irqrestore(&instance->crashdump_lock, flags);
3301 return -EINVAL;
3302 }
3303
3304 if (buff_offset > (instance->fw_crash_buffer_size * dmachunk)) {
3305 dev_err(&instance->pdev->dev,
3306 "Firmware crash dump offset is out of range\n");
3307 spin_unlock_irqrestore(&instance->crashdump_lock, flags);
3308 return 0;
3309 }
3310
3311 size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset;
3312 chunk_left_bytes = dmachunk - (buff_offset % dmachunk);
3313 size = (size > chunk_left_bytes) ? chunk_left_bytes : size;
3314 size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size;
3315
3316 src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] +
3317 (buff_offset % dmachunk);
3318 memcpy(buf, (void *)src_addr, size);
3319 spin_unlock_irqrestore(&instance->crashdump_lock, flags);
3320
3321 return size;
3322}
3323
3324static ssize_t
3325fw_crash_buffer_size_show(struct device *cdev,
3326 struct device_attribute *attr, char *buf)
3327{
3328 struct Scsi_Host *shost = class_to_shost(cdev);
3329 struct megasas_instance *instance =
3330 (struct megasas_instance *) shost->hostdata;
3331
3332 return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)
3333 ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE);
3334}
3335
3336static ssize_t
3337fw_crash_state_store(struct device *cdev,
3338 struct device_attribute *attr, const char *buf, size_t count)
3339{
3340 struct Scsi_Host *shost = class_to_shost(cdev);
3341 struct megasas_instance *instance =
3342 (struct megasas_instance *) shost->hostdata;
3343 int val = 0;
3344 unsigned long flags;
3345
3346 if (kstrtoint(buf, 0, &val) != 0)
3347 return -EINVAL;
3348
3349 if ((val <= AVAILABLE || val > COPY_ERROR)) {
3350 dev_err(&instance->pdev->dev, "application updates invalid "
3351 "firmware crash state\n");
3352 return -EINVAL;
3353 }
3354
3355 instance->fw_crash_state = val;
3356
3357 if ((val == COPIED) || (val == COPY_ERROR)) {
3358 spin_lock_irqsave(&instance->crashdump_lock, flags);
3359 megasas_free_host_crash_buffer(instance);
3360 spin_unlock_irqrestore(&instance->crashdump_lock, flags);
3361 if (val == COPY_ERROR)
3362 dev_info(&instance->pdev->dev, "application failed to "
3363 "copy Firmware crash dump\n");
3364 else
3365 dev_info(&instance->pdev->dev, "Firmware crash dump "
3366 "copied successfully\n");
3367 }
3368 return strlen(buf);
3369}
3370
3371static ssize_t
3372fw_crash_state_show(struct device *cdev,
3373 struct device_attribute *attr, char *buf)
3374{
3375 struct Scsi_Host *shost = class_to_shost(cdev);
3376 struct megasas_instance *instance =
3377 (struct megasas_instance *) shost->hostdata;
3378
3379 return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state);
3380}
3381
3382static ssize_t
3383page_size_show(struct device *cdev,
3384 struct device_attribute *attr, char *buf)
3385{
3386 return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1);
3387}
3388
3389static ssize_t
3390ldio_outstanding_show(struct device *cdev, struct device_attribute *attr,
3391 char *buf)
3392{
3393 struct Scsi_Host *shost = class_to_shost(cdev);
3394 struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata;
3395
3396 return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->ldio_outstanding));
3397}
3398
3399static ssize_t
3400fw_cmds_outstanding_show(struct device *cdev,
3401 struct device_attribute *attr, char *buf)
3402{
3403 struct Scsi_Host *shost = class_to_shost(cdev);
3404 struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata;
3405
3406 return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->fw_outstanding));
3407}
3408
3409static ssize_t
3410enable_sdev_max_qd_show(struct device *cdev,
3411 struct device_attribute *attr, char *buf)
3412{
3413 struct Scsi_Host *shost = class_to_shost(cdev);
3414 struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata;
3415
3416 return snprintf(buf, PAGE_SIZE, "%d\n", instance->enable_sdev_max_qd);
3417}
3418
3419static ssize_t
3420enable_sdev_max_qd_store(struct device *cdev,
3421 struct device_attribute *attr, const char *buf, size_t count)
3422{
3423 struct Scsi_Host *shost = class_to_shost(cdev);
3424 struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata;
3425 u32 val = 0;
3426 bool is_target_prop;
3427 int ret_target_prop = DCMD_FAILED;
3428 struct scsi_device *sdev;
3429
3430 if (kstrtou32(buf, 0, &val) != 0) {
3431 pr_err("megasas: could not set enable_sdev_max_qd\n");
3432 return -EINVAL;
3433 }
3434
3435 mutex_lock(&instance->reset_mutex);
3436 if (val)
3437 instance->enable_sdev_max_qd = true;
3438 else
3439 instance->enable_sdev_max_qd = false;
3440
3441 shost_for_each_device(sdev, shost) {
3442 ret_target_prop = megasas_get_target_prop(instance, sdev);
3443 is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false;
3444 megasas_set_fw_assisted_qd(sdev, is_target_prop);
3445 }
3446 mutex_unlock(&instance->reset_mutex);
3447
3448 return strlen(buf);
3449}
3450
3451static ssize_t
3452dump_system_regs_show(struct device *cdev,
3453 struct device_attribute *attr, char *buf)
3454{
3455 struct Scsi_Host *shost = class_to_shost(cdev);
3456 struct megasas_instance *instance =
3457 (struct megasas_instance *)shost->hostdata;
3458
3459 return megasas_dump_sys_regs(instance->reg_set, buf);
3460}
3461
3462static ssize_t
3463raid_map_id_show(struct device *cdev, struct device_attribute *attr,
3464 char *buf)
3465{
3466 struct Scsi_Host *shost = class_to_shost(cdev);
3467 struct megasas_instance *instance =
3468 (struct megasas_instance *)shost->hostdata;
3469
3470 return snprintf(buf, PAGE_SIZE, "%ld\n",
3471 (unsigned long)instance->map_id);
3472}
3473
3474static DEVICE_ATTR_RW(fw_crash_buffer);
3475static DEVICE_ATTR_RO(fw_crash_buffer_size);
3476static DEVICE_ATTR_RW(fw_crash_state);
3477static DEVICE_ATTR_RO(page_size);
3478static DEVICE_ATTR_RO(ldio_outstanding);
3479static DEVICE_ATTR_RO(fw_cmds_outstanding);
3480static DEVICE_ATTR_RW(enable_sdev_max_qd);
3481static DEVICE_ATTR_RO(dump_system_regs);
3482static DEVICE_ATTR_RO(raid_map_id);
3483
3484static struct attribute *megaraid_host_attrs[] = {
3485 &dev_attr_fw_crash_buffer_size.attr,
3486 &dev_attr_fw_crash_buffer.attr,
3487 &dev_attr_fw_crash_state.attr,
3488 &dev_attr_page_size.attr,
3489 &dev_attr_ldio_outstanding.attr,
3490 &dev_attr_fw_cmds_outstanding.attr,
3491 &dev_attr_enable_sdev_max_qd.attr,
3492 &dev_attr_dump_system_regs.attr,
3493 &dev_attr_raid_map_id.attr,
3494 NULL,
3495};
3496
3497ATTRIBUTE_GROUPS(megaraid_host);
3498
3499
3500
3501
3502static struct scsi_host_template megasas_template = {
3503
3504 .module = THIS_MODULE,
3505 .name = "Avago SAS based MegaRAID driver",
3506 .proc_name = "megaraid_sas",
3507 .slave_configure = megasas_slave_configure,
3508 .slave_alloc = megasas_slave_alloc,
3509 .slave_destroy = megasas_slave_destroy,
3510 .queuecommand = megasas_queue_command,
3511 .eh_target_reset_handler = megasas_reset_target,
3512 .eh_abort_handler = megasas_task_abort,
3513 .eh_host_reset_handler = megasas_reset_bus_host,
3514 .eh_timed_out = megasas_reset_timer,
3515 .shost_groups = megaraid_host_groups,
3516 .bios_param = megasas_bios_param,
3517 .map_queues = megasas_map_queues,
3518 .mq_poll = megasas_blk_mq_poll,
3519 .change_queue_depth = scsi_change_queue_depth,
3520 .max_segment_size = 0xffffffff,
3521};
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532static void
3533megasas_complete_int_cmd(struct megasas_instance *instance,
3534 struct megasas_cmd *cmd)
3535{
3536 if (cmd->cmd_status_drv == DCMD_INIT)
3537 cmd->cmd_status_drv =
3538 (cmd->frame->io.cmd_status == MFI_STAT_OK) ?
3539 DCMD_SUCCESS : DCMD_FAILED;
3540
3541 wake_up(&instance->int_cmd_wait_q);
3542}
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553static void
3554megasas_complete_abort(struct megasas_instance *instance,
3555 struct megasas_cmd *cmd)
3556{
3557 if (cmd->sync_cmd) {
3558 cmd->sync_cmd = 0;
3559 cmd->cmd_status_drv = DCMD_SUCCESS;
3560 wake_up(&instance->abort_cmd_wait_q);
3561 }
3562}
3563
3564static void
3565megasas_set_ld_removed_by_fw(struct megasas_instance *instance)
3566{
3567 uint i;
3568
3569 for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) {
3570 if (instance->ld_ids_prev[i] != 0xff &&
3571 instance->ld_ids_from_raidmap[i] == 0xff) {
3572 if (megasas_dbg_lvl & LD_PD_DEBUG)
3573 dev_info(&instance->pdev->dev,
3574 "LD target ID %d removed from RAID map\n", i);
3575 instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED;
3576 }
3577 }
3578}
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590void
3591megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
3592 u8 alt_status)
3593{
3594 int exception = 0;
3595 struct megasas_header *hdr = &cmd->frame->hdr;
3596 unsigned long flags;
3597 struct fusion_context *fusion = instance->ctrl_context;
3598 u32 opcode, status;
3599
3600
3601 cmd->retry_for_fw_reset = 0;
3602
3603 if (cmd->scmd)
3604 cmd->scmd->SCp.ptr = NULL;
3605
3606 switch (hdr->cmd) {
3607 case MFI_CMD_INVALID:
3608
3609
3610
3611
3612 dev_warn(&instance->pdev->dev, "MFI_CMD_INVALID command "
3613 "completed\n");
3614 dev_warn(&instance->pdev->dev, "If you have a controller "
3615 "other than PERC5, please upgrade your firmware\n");
3616 break;
3617 case MFI_CMD_PD_SCSI_IO:
3618 case MFI_CMD_LD_SCSI_IO:
3619
3620
3621
3622
3623
3624
3625 if (cmd->sync_cmd) {
3626 cmd->sync_cmd = 0;
3627 megasas_complete_int_cmd(instance, cmd);
3628 break;
3629 }
3630 fallthrough;
3631
3632 case MFI_CMD_LD_READ:
3633 case MFI_CMD_LD_WRITE:
3634
3635 if (alt_status) {
3636 cmd->scmd->result = alt_status << 16;
3637 exception = 1;
3638 }
3639
3640 if (exception) {
3641
3642 atomic_dec(&instance->fw_outstanding);
3643
3644 scsi_dma_unmap(cmd->scmd);
3645 scsi_done(cmd->scmd);
3646 megasas_return_cmd(instance, cmd);
3647
3648 break;
3649 }
3650
3651 switch (hdr->cmd_status) {
3652
3653 case MFI_STAT_OK:
3654 cmd->scmd->result = DID_OK << 16;
3655 break;
3656
3657 case MFI_STAT_SCSI_IO_FAILED:
3658 case MFI_STAT_LD_INIT_IN_PROGRESS:
3659 cmd->scmd->result =
3660 (DID_ERROR << 16) | hdr->scsi_status;
3661 break;
3662
3663 case MFI_STAT_SCSI_DONE_WITH_ERROR:
3664
3665 cmd->scmd->result = (DID_OK << 16) | hdr->scsi_status;
3666
3667 if (hdr->scsi_status == SAM_STAT_CHECK_CONDITION) {
3668 memset(cmd->scmd->sense_buffer, 0,
3669 SCSI_SENSE_BUFFERSIZE);
3670 memcpy(cmd->scmd->sense_buffer, cmd->sense,
3671 hdr->sense_len);
3672 }
3673
3674 break;
3675
3676 case MFI_STAT_LD_OFFLINE:
3677 case MFI_STAT_DEVICE_NOT_FOUND:
3678 cmd->scmd->result = DID_BAD_TARGET << 16;
3679 break;
3680
3681 default:
3682 dev_printk(KERN_DEBUG, &instance->pdev->dev, "MFI FW status %#x\n",
3683 hdr->cmd_status);
3684 cmd->scmd->result = DID_ERROR << 16;
3685 break;
3686 }
3687
3688 atomic_dec(&instance->fw_outstanding);
3689
3690 scsi_dma_unmap(cmd->scmd);
3691 scsi_done(cmd->scmd);
3692 megasas_return_cmd(instance, cmd);
3693
3694 break;
3695
3696 case MFI_CMD_SMP:
3697 case MFI_CMD_STP:
3698 case MFI_CMD_NVME:
3699 case MFI_CMD_TOOLBOX:
3700 megasas_complete_int_cmd(instance, cmd);
3701 break;
3702
3703 case MFI_CMD_DCMD:
3704 opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
3705
3706 if ((opcode == MR_DCMD_LD_MAP_GET_INFO)
3707 && (cmd->frame->dcmd.mbox.b[1] == 1)) {
3708 fusion->fast_path_io = 0;
3709 spin_lock_irqsave(instance->host->host_lock, flags);
3710 status = cmd->frame->hdr.cmd_status;
3711 instance->map_update_cmd = NULL;
3712 if (status != MFI_STAT_OK) {
3713 if (status != MFI_STAT_NOT_FOUND)
3714 dev_warn(&instance->pdev->dev, "map syncfailed, status = 0x%x\n",
3715 cmd->frame->hdr.cmd_status);
3716 else {
3717 megasas_return_cmd(instance, cmd);
3718 spin_unlock_irqrestore(
3719 instance->host->host_lock,
3720 flags);
3721 break;
3722 }
3723 }
3724
3725 megasas_return_cmd(instance, cmd);
3726
3727
3728
3729
3730
3731
3732 if (status == MFI_STAT_OK &&
3733 (MR_ValidateMapInfo(instance, (instance->map_id + 1)))) {
3734 instance->map_id++;
3735 fusion->fast_path_io = 1;
3736 } else {
3737 fusion->fast_path_io = 0;
3738 }
3739
3740 if (instance->adapter_type >= INVADER_SERIES)
3741 megasas_set_ld_removed_by_fw(instance);
3742
3743 megasas_sync_map_info(instance);
3744 spin_unlock_irqrestore(instance->host->host_lock,
3745 flags);
3746
3747 break;
3748 }
3749 if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
3750 opcode == MR_DCMD_CTRL_EVENT_GET) {
3751 spin_lock_irqsave(&poll_aen_lock, flags);
3752 megasas_poll_wait_aen = 0;
3753 spin_unlock_irqrestore(&poll_aen_lock, flags);
3754 }
3755
3756
3757 if ((opcode == MR_DCMD_SYSTEM_PD_MAP_GET_INFO) &&
3758 (cmd->frame->dcmd.mbox.b[0] == 1)) {
3759
3760 spin_lock_irqsave(instance->host->host_lock, flags);
3761 status = cmd->frame->hdr.cmd_status;
3762 instance->jbod_seq_cmd = NULL;
3763 megasas_return_cmd(instance, cmd);
3764
3765 if (status == MFI_STAT_OK) {
3766 instance->pd_seq_map_id++;
3767
3768 if (megasas_sync_pd_seq_num(instance, true))
3769 instance->use_seqnum_jbod_fp = false;
3770 } else
3771 instance->use_seqnum_jbod_fp = false;
3772
3773 spin_unlock_irqrestore(instance->host->host_lock, flags);
3774 break;
3775 }
3776
3777
3778
3779
3780 if (opcode == MR_DCMD_CTRL_EVENT_WAIT)
3781 megasas_service_aen(instance, cmd);
3782 else
3783 megasas_complete_int_cmd(instance, cmd);
3784
3785 break;
3786
3787 case MFI_CMD_ABORT:
3788
3789
3790
3791 megasas_complete_abort(instance, cmd);
3792 break;
3793
3794 default:
3795 dev_info(&instance->pdev->dev, "Unknown command completed! [0x%X]\n",
3796 hdr->cmd);
3797 megasas_complete_int_cmd(instance, cmd);
3798 break;
3799 }
3800}
3801
3802
3803
3804
3805
3806
3807static inline void
3808megasas_issue_pending_cmds_again(struct megasas_instance *instance)
3809{
3810 struct megasas_cmd *cmd;
3811 struct list_head clist_local;
3812 union megasas_evt_class_locale class_locale;
3813 unsigned long flags;
3814 u32 seq_num;
3815
3816 INIT_LIST_HEAD(&clist_local);
3817 spin_lock_irqsave(&instance->hba_lock, flags);
3818 list_splice_init(&instance->internal_reset_pending_q, &clist_local);
3819 spin_unlock_irqrestore(&instance->hba_lock, flags);
3820
3821 while (!list_empty(&clist_local)) {
3822 cmd = list_entry((&clist_local)->next,
3823 struct megasas_cmd, list);
3824 list_del_init(&cmd->list);
3825
3826 if (cmd->sync_cmd || cmd->scmd) {
3827 dev_notice(&instance->pdev->dev, "command %p, %p:%d"
3828 "detected to be pending while HBA reset\n",
3829 cmd, cmd->scmd, cmd->sync_cmd);
3830
3831 cmd->retry_for_fw_reset++;
3832
3833 if (cmd->retry_for_fw_reset == 3) {
3834 dev_notice(&instance->pdev->dev, "cmd %p, %p:%d"
3835 "was tried multiple times during reset."
3836 "Shutting down the HBA\n",
3837 cmd, cmd->scmd, cmd->sync_cmd);
3838 instance->instancet->disable_intr(instance);
3839 atomic_set(&instance->fw_reset_no_pci_access, 1);
3840 megaraid_sas_kill_hba(instance);
3841 return;
3842 }
3843 }
3844
3845 if (cmd->sync_cmd == 1) {
3846 if (cmd->scmd) {
3847 dev_notice(&instance->pdev->dev, "unexpected"
3848 "cmd attached to internal command!\n");
3849 }
3850 dev_notice(&instance->pdev->dev, "%p synchronous cmd"
3851 "on the internal reset queue,"
3852 "issue it again.\n", cmd);
3853 cmd->cmd_status_drv = DCMD_INIT;
3854 instance->instancet->fire_cmd(instance,
3855 cmd->frame_phys_addr,
3856 0, instance->reg_set);
3857 } else if (cmd->scmd) {
3858 dev_notice(&instance->pdev->dev, "%p scsi cmd [%02x]"
3859 "detected on the internal queue, issue again.\n",
3860 cmd, cmd->scmd->cmnd[0]);
3861
3862 atomic_inc(&instance->fw_outstanding);
3863 instance->instancet->fire_cmd(instance,
3864 cmd->frame_phys_addr,
3865 cmd->frame_count-1, instance->reg_set);
3866 } else {
3867 dev_notice(&instance->pdev->dev, "%p unexpected cmd on the"
3868 "internal reset defer list while re-issue!!\n",
3869 cmd);
3870 }
3871 }
3872
3873 if (instance->aen_cmd) {
3874 dev_notice(&instance->pdev->dev, "aen_cmd in def process\n");
3875 megasas_return_cmd(instance, instance->aen_cmd);
3876
3877 instance->aen_cmd = NULL;
3878 }
3879
3880
3881
3882
3883 seq_num = instance->last_seq_num;
3884 class_locale.members.reserved = 0;
3885 class_locale.members.locale = MR_EVT_LOCALE_ALL;
3886 class_locale.members.class = MR_EVT_CLASS_DEBUG;
3887
3888 megasas_register_aen(instance, seq_num, class_locale.word);
3889}
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900static void
3901megasas_internal_reset_defer_cmds(struct megasas_instance *instance)
3902{
3903 struct megasas_cmd *cmd;
3904 int i;
3905 u16 max_cmd = instance->max_fw_cmds;
3906 u32 defer_index;
3907 unsigned long flags;
3908
3909 defer_index = 0;
3910 spin_lock_irqsave(&instance->mfi_pool_lock, flags);
3911 for (i = 0; i < max_cmd; i++) {
3912 cmd = instance->cmd_list[i];
3913 if (cmd->sync_cmd == 1 || cmd->scmd) {
3914 dev_notice(&instance->pdev->dev, "moving cmd[%d]:%p:%d:%p"
3915 "on the defer queue as internal\n",
3916 defer_index, cmd, cmd->sync_cmd, cmd->scmd);
3917
3918 if (!list_empty(&cmd->list)) {
3919 dev_notice(&instance->pdev->dev, "ERROR while"
3920 " moving this cmd:%p, %d %p, it was"
3921 "discovered on some list?\n",
3922 cmd, cmd->sync_cmd, cmd->scmd);
3923
3924 list_del_init(&cmd->list);
3925 }
3926 defer_index++;
3927 list_add_tail(&cmd->list,
3928 &instance->internal_reset_pending_q);
3929 }
3930 }
3931 spin_unlock_irqrestore(&instance->mfi_pool_lock, flags);
3932}
3933
3934
3935static void
3936process_fw_state_change_wq(struct work_struct *work)
3937{
3938 struct megasas_instance *instance =
3939 container_of(work, struct megasas_instance, work_init);
3940 u32 wait;
3941 unsigned long flags;
3942
3943 if (atomic_read(&instance->adprecovery) != MEGASAS_ADPRESET_SM_INFAULT) {
3944 dev_notice(&instance->pdev->dev, "error, recovery st %x\n",
3945 atomic_read(&instance->adprecovery));
3946 return ;
3947 }
3948
3949 if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) {
3950 dev_notice(&instance->pdev->dev, "FW detected to be in fault"
3951 "state, restarting it...\n");
3952
3953 instance->instancet->disable_intr(instance);
3954 atomic_set(&instance->fw_outstanding, 0);
3955
3956 atomic_set(&instance->fw_reset_no_pci_access, 1);
3957 instance->instancet->adp_reset(instance, instance->reg_set);
3958 atomic_set(&instance->fw_reset_no_pci_access, 0);
3959
3960 dev_notice(&instance->pdev->dev, "FW restarted successfully,"
3961 "initiating next stage...\n");
3962
3963 dev_notice(&instance->pdev->dev, "HBA recovery state machine,"
3964 "state 2 starting...\n");
3965
3966
3967 for (wait = 0; wait < 30; wait++) {
3968 msleep(1000);
3969 }
3970
3971 if (megasas_transition_to_ready(instance, 1)) {
3972 dev_notice(&instance->pdev->dev, "adapter not ready\n");
3973
3974 atomic_set(&instance->fw_reset_no_pci_access, 1);
3975 megaraid_sas_kill_hba(instance);
3976 return ;
3977 }
3978
3979 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) ||
3980 (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) ||
3981 (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)
3982 ) {
3983 *instance->consumer = *instance->producer;
3984 } else {
3985 *instance->consumer = 0;
3986 *instance->producer = 0;
3987 }
3988
3989 megasas_issue_init_mfi(instance);
3990
3991 spin_lock_irqsave(&instance->hba_lock, flags);
3992 atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
3993 spin_unlock_irqrestore(&instance->hba_lock, flags);
3994 instance->instancet->enable_intr(instance);
3995
3996 megasas_issue_pending_cmds_again(instance);
3997 instance->issuepend_done = 1;
3998 }
3999}
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009static int
4010megasas_deplete_reply_queue(struct megasas_instance *instance,
4011 u8 alt_status)
4012{
4013 u32 mfiStatus;
4014 u32 fw_state;
4015
4016 if ((mfiStatus = instance->instancet->check_reset(instance,
4017 instance->reg_set)) == 1) {
4018 return IRQ_HANDLED;
4019 }
4020
4021 mfiStatus = instance->instancet->clear_intr(instance);
4022 if (mfiStatus == 0) {
4023
4024 if (!instance->msix_vectors)
4025 return IRQ_NONE;
4026 }
4027
4028 instance->mfiStatus = mfiStatus;
4029
4030 if ((mfiStatus & MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE)) {
4031 fw_state = instance->instancet->read_fw_status_reg(
4032 instance) & MFI_STATE_MASK;
4033
4034 if (fw_state != MFI_STATE_FAULT) {
4035 dev_notice(&instance->pdev->dev, "fw state:%x\n",
4036 fw_state);
4037 }
4038
4039 if ((fw_state == MFI_STATE_FAULT) &&
4040 (instance->disableOnlineCtrlReset == 0)) {
4041 dev_notice(&instance->pdev->dev, "wait adp restart\n");
4042
4043 if ((instance->pdev->device ==
4044 PCI_DEVICE_ID_LSI_SAS1064R) ||
4045 (instance->pdev->device ==
4046 PCI_DEVICE_ID_DELL_PERC5) ||
4047 (instance->pdev->device ==
4048 PCI_DEVICE_ID_LSI_VERDE_ZCR)) {
4049
4050 *instance->consumer =
4051 cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN);
4052 }
4053
4054
4055 instance->instancet->disable_intr(instance);
4056 atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT);
4057 instance->issuepend_done = 0;
4058
4059 atomic_set(&instance->fw_outstanding, 0);
4060 megasas_internal_reset_defer_cmds(instance);
4061
4062 dev_notice(&instance->pdev->dev, "fwState=%x, stage:%d\n",
4063 fw_state, atomic_read(&instance->adprecovery));
4064
4065 schedule_work(&instance->work_init);
4066 return IRQ_HANDLED;
4067
4068 } else {
4069 dev_notice(&instance->pdev->dev, "fwstate:%x, dis_OCR=%x\n",
4070 fw_state, instance->disableOnlineCtrlReset);
4071 }
4072 }
4073
4074 tasklet_schedule(&instance->isr_tasklet);
4075 return IRQ_HANDLED;
4076}
4077
4078
4079
4080
4081
4082
4083static irqreturn_t megasas_isr(int irq, void *devp)
4084{
4085 struct megasas_irq_context *irq_context = devp;
4086 struct megasas_instance *instance = irq_context->instance;
4087 unsigned long flags;
4088 irqreturn_t rc;
4089
4090 if (atomic_read(&instance->fw_reset_no_pci_access))
4091 return IRQ_HANDLED;
4092
4093 spin_lock_irqsave(&instance->hba_lock, flags);
4094 rc = megasas_deplete_reply_queue(instance, DID_OK);
4095 spin_unlock_irqrestore(&instance->hba_lock, flags);
4096
4097 return rc;
4098}
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110int
4111megasas_transition_to_ready(struct megasas_instance *instance, int ocr)
4112{
4113 int i;
4114 u8 max_wait;
4115 u32 fw_state;
4116 u32 abs_state, curr_abs_state;
4117
4118 abs_state = instance->instancet->read_fw_status_reg(instance);
4119 fw_state = abs_state & MFI_STATE_MASK;
4120
4121 if (fw_state != MFI_STATE_READY)
4122 dev_info(&instance->pdev->dev, "Waiting for FW to come to ready"
4123 " state\n");
4124
4125 while (fw_state != MFI_STATE_READY) {
4126
4127 switch (fw_state) {
4128
4129 case MFI_STATE_FAULT:
4130 dev_printk(KERN_ERR, &instance->pdev->dev,
4131 "FW in FAULT state, Fault code:0x%x subcode:0x%x func:%s\n",
4132 abs_state & MFI_STATE_FAULT_CODE,
4133 abs_state & MFI_STATE_FAULT_SUBCODE, __func__);
4134 if (ocr) {
4135 max_wait = MEGASAS_RESET_WAIT_TIME;
4136 break;
4137 } else {
4138 dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n");
4139 megasas_dump_reg_set(instance->reg_set);
4140 return -ENODEV;
4141 }
4142
4143 case MFI_STATE_WAIT_HANDSHAKE:
4144
4145
4146
4147 if ((instance->pdev->device ==
4148 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
4149 (instance->pdev->device ==
4150 PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
4151 (instance->adapter_type != MFI_SERIES))
4152 writel(
4153 MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
4154 &instance->reg_set->doorbell);
4155 else
4156 writel(
4157 MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
4158 &instance->reg_set->inbound_doorbell);
4159
4160 max_wait = MEGASAS_RESET_WAIT_TIME;
4161 break;
4162
4163 case MFI_STATE_BOOT_MESSAGE_PENDING:
4164 if ((instance->pdev->device ==
4165 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
4166 (instance->pdev->device ==
4167 PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
4168 (instance->adapter_type != MFI_SERIES))
4169 writel(MFI_INIT_HOTPLUG,
4170 &instance->reg_set->doorbell);
4171 else
4172 writel(MFI_INIT_HOTPLUG,
4173 &instance->reg_set->inbound_doorbell);
4174
4175 max_wait = MEGASAS_RESET_WAIT_TIME;
4176 break;
4177
4178 case MFI_STATE_OPERATIONAL:
4179
4180
4181
4182 instance->instancet->disable_intr(instance);
4183 if ((instance->pdev->device ==
4184 PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
4185 (instance->pdev->device ==
4186 PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
4187 (instance->adapter_type != MFI_SERIES)) {
4188 writel(MFI_RESET_FLAGS,
4189 &instance->reg_set->doorbell);
4190
4191 if (instance->adapter_type != MFI_SERIES) {
4192 for (i = 0; i < (10 * 1000); i += 20) {
4193 if (megasas_readl(
4194 instance,
4195 &instance->
4196 reg_set->
4197 doorbell) & 1)
4198 msleep(20);
4199 else
4200 break;
4201 }
4202 }
4203 } else
4204 writel(MFI_RESET_FLAGS,
4205 &instance->reg_set->inbound_doorbell);
4206
4207 max_wait = MEGASAS_RESET_WAIT_TIME;
4208 break;
4209
4210 case MFI_STATE_UNDEFINED:
4211
4212
4213
4214 max_wait = MEGASAS_RESET_WAIT_TIME;
4215 break;
4216
4217 case MFI_STATE_BB_INIT:
4218 max_wait = MEGASAS_RESET_WAIT_TIME;
4219 break;
4220
4221 case MFI_STATE_FW_INIT:
4222 max_wait = MEGASAS_RESET_WAIT_TIME;
4223 break;
4224
4225 case MFI_STATE_FW_INIT_2:
4226 max_wait = MEGASAS_RESET_WAIT_TIME;
4227 break;
4228
4229 case MFI_STATE_DEVICE_SCAN:
4230 max_wait = MEGASAS_RESET_WAIT_TIME;
4231 break;
4232
4233 case MFI_STATE_FLUSH_CACHE:
4234 max_wait = MEGASAS_RESET_WAIT_TIME;
4235 break;
4236
4237 default:
4238 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Unknown state 0x%x\n",
4239 fw_state);
4240 dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n");
4241 megasas_dump_reg_set(instance->reg_set);
4242 return -ENODEV;
4243 }
4244
4245
4246
4247
4248 for (i = 0; i < max_wait * 50; i++) {
4249 curr_abs_state = instance->instancet->
4250 read_fw_status_reg(instance);
4251
4252 if (abs_state == curr_abs_state) {
4253 msleep(20);
4254 } else
4255 break;
4256 }
4257
4258
4259
4260
4261 if (curr_abs_state == abs_state) {
4262 dev_printk(KERN_DEBUG, &instance->pdev->dev, "FW state [%d] hasn't changed "
4263 "in %d secs\n", fw_state, max_wait);
4264 dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n");
4265 megasas_dump_reg_set(instance->reg_set);
4266 return -ENODEV;
4267 }
4268
4269 abs_state = curr_abs_state;
4270 fw_state = curr_abs_state & MFI_STATE_MASK;
4271 }
4272 dev_info(&instance->pdev->dev, "FW now in Ready state\n");
4273
4274 return 0;
4275}
4276
4277
4278
4279
4280
4281static void megasas_teardown_frame_pool(struct megasas_instance *instance)
4282{
4283 int i;
4284 u16 max_cmd = instance->max_mfi_cmds;
4285 struct megasas_cmd *cmd;
4286
4287 if (!instance->frame_dma_pool)
4288 return;
4289
4290
4291
4292
4293 for (i = 0; i < max_cmd; i++) {
4294
4295 cmd = instance->cmd_list[i];
4296
4297 if (cmd->frame)
4298 dma_pool_free(instance->frame_dma_pool, cmd->frame,
4299 cmd->frame_phys_addr);
4300
4301 if (cmd->sense)
4302 dma_pool_free(instance->sense_dma_pool, cmd->sense,
4303 cmd->sense_phys_addr);
4304 }
4305
4306
4307
4308
4309 dma_pool_destroy(instance->frame_dma_pool);
4310 dma_pool_destroy(instance->sense_dma_pool);
4311
4312 instance->frame_dma_pool = NULL;
4313 instance->sense_dma_pool = NULL;
4314}
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325static int megasas_create_frame_pool(struct megasas_instance *instance)
4326{
4327 int i;
4328 u16 max_cmd;
4329 u32 frame_count;
4330 struct megasas_cmd *cmd;
4331
4332 max_cmd = instance->max_mfi_cmds;
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345 frame_count = (instance->adapter_type == MFI_SERIES) ?
4346 (15 + 1) : (3 + 1);
4347 instance->mfi_frame_size = MEGAMFI_FRAME_SIZE * frame_count;
4348
4349
4350
4351 instance->frame_dma_pool = dma_pool_create("megasas frame pool",
4352 &instance->pdev->dev,
4353 instance->mfi_frame_size, 256, 0);
4354
4355 if (!instance->frame_dma_pool) {
4356 dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n");
4357 return -ENOMEM;
4358 }
4359
4360 instance->sense_dma_pool = dma_pool_create("megasas sense pool",
4361 &instance->pdev->dev, 128,
4362 4, 0);
4363
4364 if (!instance->sense_dma_pool) {
4365 dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n");
4366
4367 dma_pool_destroy(instance->frame_dma_pool);
4368 instance->frame_dma_pool = NULL;
4369
4370 return -ENOMEM;
4371 }
4372
4373
4374
4375
4376
4377
4378 for (i = 0; i < max_cmd; i++) {
4379
4380 cmd = instance->cmd_list[i];
4381
4382 cmd->frame = dma_pool_zalloc(instance->frame_dma_pool,
4383 GFP_KERNEL, &cmd->frame_phys_addr);
4384
4385 cmd->sense = dma_pool_alloc(instance->sense_dma_pool,
4386 GFP_KERNEL, &cmd->sense_phys_addr);
4387
4388
4389
4390
4391
4392 if (!cmd->frame || !cmd->sense) {
4393 dev_printk(KERN_DEBUG, &instance->pdev->dev, "dma_pool_alloc failed\n");
4394 megasas_teardown_frame_pool(instance);
4395 return -ENOMEM;
4396 }
4397
4398 cmd->frame->io.context = cpu_to_le32(cmd->index);
4399 cmd->frame->io.pad_0 = 0;
4400 if ((instance->adapter_type == MFI_SERIES) && reset_devices)
4401 cmd->frame->hdr.cmd = MFI_CMD_INVALID;
4402 }
4403
4404 return 0;
4405}
4406
4407
4408
4409
4410
4411void megasas_free_cmds(struct megasas_instance *instance)
4412{
4413 int i;
4414
4415
4416 megasas_teardown_frame_pool(instance);
4417
4418
4419 for (i = 0; i < instance->max_mfi_cmds; i++)
4420
4421 kfree(instance->cmd_list[i]);
4422
4423
4424 kfree(instance->cmd_list);
4425 instance->cmd_list = NULL;
4426
4427 INIT_LIST_HEAD(&instance->cmd_pool);
4428}
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448int megasas_alloc_cmds(struct megasas_instance *instance)
4449{
4450 int i;
4451 int j;
4452 u16 max_cmd;
4453 struct megasas_cmd *cmd;
4454
4455 max_cmd = instance->max_mfi_cmds;
4456
4457
4458
4459
4460
4461
4462 instance->cmd_list = kcalloc(max_cmd, sizeof(struct megasas_cmd*), GFP_KERNEL);
4463
4464 if (!instance->cmd_list) {
4465 dev_printk(KERN_DEBUG, &instance->pdev->dev, "out of memory\n");
4466 return -ENOMEM;
4467 }
4468
4469 memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) *max_cmd);
4470
4471 for (i = 0; i < max_cmd; i++) {
4472 instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd),
4473 GFP_KERNEL);
4474
4475 if (!instance->cmd_list[i]) {
4476
4477 for (j = 0; j < i; j++)
4478 kfree(instance->cmd_list[j]);
4479
4480 kfree(instance->cmd_list);
4481 instance->cmd_list = NULL;
4482
4483 return -ENOMEM;
4484 }
4485 }
4486
4487 for (i = 0; i < max_cmd; i++) {
4488 cmd = instance->cmd_list[i];
4489 memset(cmd, 0, sizeof(struct megasas_cmd));
4490 cmd->index = i;
4491 cmd->scmd = NULL;
4492 cmd->instance = instance;
4493
4494 list_add_tail(&cmd->list, &instance->cmd_pool);
4495 }
4496
4497
4498
4499
4500 if (megasas_create_frame_pool(instance)) {
4501 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n");
4502 megasas_free_cmds(instance);
4503 return -ENOMEM;
4504 }
4505
4506 return 0;
4507}
4508
4509
4510
4511
4512
4513
4514
4515
4516inline int
4517dcmd_timeout_ocr_possible(struct megasas_instance *instance) {
4518
4519 if (instance->adapter_type == MFI_SERIES)
4520 return KILL_ADAPTER;
4521 else if (instance->unload ||
4522 test_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE,
4523 &instance->reset_flags))
4524 return IGNORE_TIMEOUT;
4525 else
4526 return INITIATE_OCR;
4527}
4528
4529static void
4530megasas_get_pd_info(struct megasas_instance *instance, struct scsi_device *sdev)
4531{
4532 int ret;
4533 struct megasas_cmd *cmd;
4534 struct megasas_dcmd_frame *dcmd;
4535
4536 struct MR_PRIV_DEVICE *mr_device_priv_data;
4537 u16 device_id = 0;
4538
4539 device_id = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id;
4540 cmd = megasas_get_cmd(instance);
4541
4542 if (!cmd) {
4543 dev_err(&instance->pdev->dev, "Failed to get cmd %s\n", __func__);
4544 return;
4545 }
4546
4547 dcmd = &cmd->frame->dcmd;
4548
4549 memset(instance->pd_info, 0, sizeof(*instance->pd_info));
4550 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
4551
4552 dcmd->mbox.s[0] = cpu_to_le16(device_id);
4553 dcmd->cmd = MFI_CMD_DCMD;
4554 dcmd->cmd_status = 0xFF;
4555 dcmd->sge_count = 1;
4556 dcmd->flags = MFI_FRAME_DIR_READ;
4557 dcmd->timeout = 0;
4558 dcmd->pad_0 = 0;
4559 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_PD_INFO));
4560 dcmd->opcode = cpu_to_le32(MR_DCMD_PD_GET_INFO);
4561
4562 megasas_set_dma_settings(instance, dcmd, instance->pd_info_h,
4563 sizeof(struct MR_PD_INFO));
4564
4565 if ((instance->adapter_type != MFI_SERIES) &&
4566 !instance->mask_interrupts)
4567 ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
4568 else
4569 ret = megasas_issue_polled(instance, cmd);
4570
4571 switch (ret) {
4572 case DCMD_SUCCESS:
4573 mr_device_priv_data = sdev->hostdata;
4574 le16_to_cpus((u16 *)&instance->pd_info->state.ddf.pdType);
4575 mr_device_priv_data->interface_type =
4576 instance->pd_info->state.ddf.pdType.intf;
4577 break;
4578
4579 case DCMD_TIMEOUT:
4580
4581 switch (dcmd_timeout_ocr_possible(instance)) {
4582 case INITIATE_OCR:
4583 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
4584 mutex_unlock(&instance->reset_mutex);
4585 megasas_reset_fusion(instance->host,
4586 MFI_IO_TIMEOUT_OCR);
4587 mutex_lock(&instance->reset_mutex);
4588 break;
4589 case KILL_ADAPTER:
4590 megaraid_sas_kill_hba(instance);
4591 break;
4592 case IGNORE_TIMEOUT:
4593 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
4594 __func__, __LINE__);
4595 break;
4596 }
4597
4598 break;
4599 }
4600
4601 if (ret != DCMD_TIMEOUT)
4602 megasas_return_cmd(instance, cmd);
4603
4604 return;
4605}
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615static int
4616megasas_get_pd_list(struct megasas_instance *instance)
4617{
4618 int ret = 0, pd_index = 0;
4619 struct megasas_cmd *cmd;
4620 struct megasas_dcmd_frame *dcmd;
4621 struct MR_PD_LIST *ci;
4622 struct MR_PD_ADDRESS *pd_addr;
4623
4624 if (instance->pd_list_not_supported) {
4625 dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY "
4626 "not supported by firmware\n");
4627 return ret;
4628 }
4629
4630 ci = instance->pd_list_buf;
4631
4632 cmd = megasas_get_cmd(instance);
4633
4634 if (!cmd) {
4635 dev_printk(KERN_DEBUG, &instance->pdev->dev, "(get_pd_list): Failed to get cmd\n");
4636 return -ENOMEM;
4637 }
4638
4639 dcmd = &cmd->frame->dcmd;
4640
4641 memset(ci, 0, sizeof(*ci));
4642 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
4643
4644 dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST;
4645 dcmd->mbox.b[1] = 0;
4646 dcmd->cmd = MFI_CMD_DCMD;
4647 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
4648 dcmd->sge_count = 1;
4649 dcmd->flags = MFI_FRAME_DIR_READ;
4650 dcmd->timeout = 0;
4651 dcmd->pad_0 = 0;
4652 dcmd->data_xfer_len = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST));
4653 dcmd->opcode = cpu_to_le32(MR_DCMD_PD_LIST_QUERY);
4654
4655 megasas_set_dma_settings(instance, dcmd, instance->pd_list_buf_h,
4656 (MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)));
4657
4658 if ((instance->adapter_type != MFI_SERIES) &&
4659 !instance->mask_interrupts)
4660 ret = megasas_issue_blocked_cmd(instance, cmd,
4661 MFI_IO_TIMEOUT_SECS);
4662 else
4663 ret = megasas_issue_polled(instance, cmd);
4664
4665 switch (ret) {
4666 case DCMD_FAILED:
4667 dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY "
4668 "failed/not supported by firmware\n");
4669
4670 if (instance->adapter_type != MFI_SERIES)
4671 megaraid_sas_kill_hba(instance);
4672 else
4673 instance->pd_list_not_supported = 1;
4674 break;
4675 case DCMD_TIMEOUT:
4676
4677 switch (dcmd_timeout_ocr_possible(instance)) {
4678 case INITIATE_OCR:
4679 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
4680
4681
4682
4683
4684
4685 mutex_unlock(&instance->reset_mutex);
4686 megasas_reset_fusion(instance->host,
4687 MFI_IO_TIMEOUT_OCR);
4688 mutex_lock(&instance->reset_mutex);
4689 break;
4690 case KILL_ADAPTER:
4691 megaraid_sas_kill_hba(instance);
4692 break;
4693 case IGNORE_TIMEOUT:
4694 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d \n",
4695 __func__, __LINE__);
4696 break;
4697 }
4698
4699 break;
4700
4701 case DCMD_SUCCESS:
4702 pd_addr = ci->addr;
4703 if (megasas_dbg_lvl & LD_PD_DEBUG)
4704 dev_info(&instance->pdev->dev, "%s, sysPD count: 0x%x\n",
4705 __func__, le32_to_cpu(ci->count));
4706
4707 if ((le32_to_cpu(ci->count) >
4708 (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL)))
4709 break;
4710
4711 memset(instance->local_pd_list, 0,
4712 MEGASAS_MAX_PD * sizeof(struct megasas_pd_list));
4713
4714 for (pd_index = 0; pd_index < le32_to_cpu(ci->count); pd_index++) {
4715 instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].tid =
4716 le16_to_cpu(pd_addr->deviceId);
4717 instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveType =
4718 pd_addr->scsiDevType;
4719 instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveState =
4720 MR_PD_STATE_SYSTEM;
4721 if (megasas_dbg_lvl & LD_PD_DEBUG)
4722 dev_info(&instance->pdev->dev,
4723 "PD%d: targetID: 0x%03x deviceType:0x%x\n",
4724 pd_index, le16_to_cpu(pd_addr->deviceId),
4725 pd_addr->scsiDevType);
4726 pd_addr++;
4727 }
4728
4729 memcpy(instance->pd_list, instance->local_pd_list,
4730 sizeof(instance->pd_list));
4731 break;
4732
4733 }
4734
4735 if (ret != DCMD_TIMEOUT)
4736 megasas_return_cmd(instance, cmd);
4737
4738 return ret;
4739}
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750static int
4751megasas_get_ld_list(struct megasas_instance *instance)
4752{
4753 int ret = 0, ld_index = 0, ids = 0;
4754 struct megasas_cmd *cmd;
4755 struct megasas_dcmd_frame *dcmd;
4756 struct MR_LD_LIST *ci;
4757 dma_addr_t ci_h = 0;
4758 u32 ld_count;
4759
4760 ci = instance->ld_list_buf;
4761 ci_h = instance->ld_list_buf_h;
4762
4763 cmd = megasas_get_cmd(instance);
4764
4765 if (!cmd) {
4766 dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_list: Failed to get cmd\n");
4767 return -ENOMEM;
4768 }
4769
4770 dcmd = &cmd->frame->dcmd;
4771
4772 memset(ci, 0, sizeof(*ci));
4773 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
4774
4775 if (instance->supportmax256vd)
4776 dcmd->mbox.b[0] = 1;
4777 dcmd->cmd = MFI_CMD_DCMD;
4778 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
4779 dcmd->sge_count = 1;
4780 dcmd->flags = MFI_FRAME_DIR_READ;
4781 dcmd->timeout = 0;
4782 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_LIST));
4783 dcmd->opcode = cpu_to_le32(MR_DCMD_LD_GET_LIST);
4784 dcmd->pad_0 = 0;
4785
4786 megasas_set_dma_settings(instance, dcmd, ci_h,
4787 sizeof(struct MR_LD_LIST));
4788
4789 if ((instance->adapter_type != MFI_SERIES) &&
4790 !instance->mask_interrupts)
4791 ret = megasas_issue_blocked_cmd(instance, cmd,
4792 MFI_IO_TIMEOUT_SECS);
4793 else
4794 ret = megasas_issue_polled(instance, cmd);
4795
4796 ld_count = le32_to_cpu(ci->ldCount);
4797
4798 switch (ret) {
4799 case DCMD_FAILED:
4800 megaraid_sas_kill_hba(instance);
4801 break;
4802 case DCMD_TIMEOUT:
4803
4804 switch (dcmd_timeout_ocr_possible(instance)) {
4805 case INITIATE_OCR:
4806 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
4807
4808
4809
4810
4811
4812 mutex_unlock(&instance->reset_mutex);
4813 megasas_reset_fusion(instance->host,
4814 MFI_IO_TIMEOUT_OCR);
4815 mutex_lock(&instance->reset_mutex);
4816 break;
4817 case KILL_ADAPTER:
4818 megaraid_sas_kill_hba(instance);
4819 break;
4820 case IGNORE_TIMEOUT:
4821 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
4822 __func__, __LINE__);
4823 break;
4824 }
4825
4826 break;
4827
4828 case DCMD_SUCCESS:
4829 if (megasas_dbg_lvl & LD_PD_DEBUG)
4830 dev_info(&instance->pdev->dev, "%s, LD count: 0x%x\n",
4831 __func__, ld_count);
4832
4833 if (ld_count > instance->fw_supported_vd_count)
4834 break;
4835
4836 memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT);
4837
4838 for (ld_index = 0; ld_index < ld_count; ld_index++) {
4839 if (ci->ldList[ld_index].state != 0) {
4840 ids = ci->ldList[ld_index].ref.targetId;
4841 instance->ld_ids[ids] = ci->ldList[ld_index].ref.targetId;
4842 if (megasas_dbg_lvl & LD_PD_DEBUG)
4843 dev_info(&instance->pdev->dev,
4844 "LD%d: targetID: 0x%03x\n",
4845 ld_index, ids);
4846 }
4847 }
4848
4849 break;
4850 }
4851
4852 if (ret != DCMD_TIMEOUT)
4853 megasas_return_cmd(instance, cmd);
4854
4855 return ret;
4856}
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867static int
4868megasas_ld_list_query(struct megasas_instance *instance, u8 query_type)
4869{
4870 int ret = 0, ld_index = 0, ids = 0;
4871 struct megasas_cmd *cmd;
4872 struct megasas_dcmd_frame *dcmd;
4873 struct MR_LD_TARGETID_LIST *ci;
4874 dma_addr_t ci_h = 0;
4875 u32 tgtid_count;
4876
4877 ci = instance->ld_targetid_list_buf;
4878 ci_h = instance->ld_targetid_list_buf_h;
4879
4880 cmd = megasas_get_cmd(instance);
4881
4882 if (!cmd) {
4883 dev_warn(&instance->pdev->dev,
4884 "megasas_ld_list_query: Failed to get cmd\n");
4885 return -ENOMEM;
4886 }
4887
4888 dcmd = &cmd->frame->dcmd;
4889
4890 memset(ci, 0, sizeof(*ci));
4891 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
4892
4893 dcmd->mbox.b[0] = query_type;
4894 if (instance->supportmax256vd)
4895 dcmd->mbox.b[2] = 1;
4896
4897 dcmd->cmd = MFI_CMD_DCMD;
4898 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
4899 dcmd->sge_count = 1;
4900 dcmd->flags = MFI_FRAME_DIR_READ;
4901 dcmd->timeout = 0;
4902 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST));
4903 dcmd->opcode = cpu_to_le32(MR_DCMD_LD_LIST_QUERY);
4904 dcmd->pad_0 = 0;
4905
4906 megasas_set_dma_settings(instance, dcmd, ci_h,
4907 sizeof(struct MR_LD_TARGETID_LIST));
4908
4909 if ((instance->adapter_type != MFI_SERIES) &&
4910 !instance->mask_interrupts)
4911 ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
4912 else
4913 ret = megasas_issue_polled(instance, cmd);
4914
4915 switch (ret) {
4916 case DCMD_FAILED:
4917 dev_info(&instance->pdev->dev,
4918 "DCMD not supported by firmware - %s %d\n",
4919 __func__, __LINE__);
4920 ret = megasas_get_ld_list(instance);
4921 break;
4922 case DCMD_TIMEOUT:
4923 switch (dcmd_timeout_ocr_possible(instance)) {
4924 case INITIATE_OCR:
4925 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
4926
4927
4928
4929
4930
4931 mutex_unlock(&instance->reset_mutex);
4932 megasas_reset_fusion(instance->host,
4933 MFI_IO_TIMEOUT_OCR);
4934 mutex_lock(&instance->reset_mutex);
4935 break;
4936 case KILL_ADAPTER:
4937 megaraid_sas_kill_hba(instance);
4938 break;
4939 case IGNORE_TIMEOUT:
4940 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
4941 __func__, __LINE__);
4942 break;
4943 }
4944
4945 break;
4946 case DCMD_SUCCESS:
4947 tgtid_count = le32_to_cpu(ci->count);
4948
4949 if (megasas_dbg_lvl & LD_PD_DEBUG)
4950 dev_info(&instance->pdev->dev, "%s, LD count: 0x%x\n",
4951 __func__, tgtid_count);
4952
4953 if ((tgtid_count > (instance->fw_supported_vd_count)))
4954 break;
4955
4956 memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
4957 for (ld_index = 0; ld_index < tgtid_count; ld_index++) {
4958 ids = ci->targetId[ld_index];
4959 instance->ld_ids[ids] = ci->targetId[ld_index];
4960 if (megasas_dbg_lvl & LD_PD_DEBUG)
4961 dev_info(&instance->pdev->dev, "LD%d: targetID: 0x%03x\n",
4962 ld_index, ci->targetId[ld_index]);
4963 }
4964
4965 break;
4966 }
4967
4968 if (ret != DCMD_TIMEOUT)
4969 megasas_return_cmd(instance, cmd);
4970
4971 return ret;
4972}
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988static int
4989megasas_host_device_list_query(struct megasas_instance *instance,
4990 bool is_probe)
4991{
4992 int ret, i, target_id;
4993 struct megasas_cmd *cmd;
4994 struct megasas_dcmd_frame *dcmd;
4995 struct MR_HOST_DEVICE_LIST *ci;
4996 u32 count;
4997 dma_addr_t ci_h;
4998
4999 ci = instance->host_device_list_buf;
5000 ci_h = instance->host_device_list_buf_h;
5001
5002 cmd = megasas_get_cmd(instance);
5003
5004 if (!cmd) {
5005 dev_warn(&instance->pdev->dev,
5006 "%s: failed to get cmd\n",
5007 __func__);
5008 return -ENOMEM;
5009 }
5010
5011 dcmd = &cmd->frame->dcmd;
5012
5013 memset(ci, 0, sizeof(*ci));
5014 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
5015
5016 dcmd->mbox.b[0] = is_probe ? 0 : 1;
5017 dcmd->cmd = MFI_CMD_DCMD;
5018 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
5019 dcmd->sge_count = 1;
5020 dcmd->flags = MFI_FRAME_DIR_READ;
5021 dcmd->timeout = 0;
5022 dcmd->pad_0 = 0;
5023 dcmd->data_xfer_len = cpu_to_le32(HOST_DEVICE_LIST_SZ);
5024 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_DEVICE_LIST_GET);
5025
5026 megasas_set_dma_settings(instance, dcmd, ci_h, HOST_DEVICE_LIST_SZ);
5027
5028 if (!instance->mask_interrupts) {
5029 ret = megasas_issue_blocked_cmd(instance, cmd,
5030 MFI_IO_TIMEOUT_SECS);
5031 } else {
5032 ret = megasas_issue_polled(instance, cmd);
5033 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5034 }
5035
5036 switch (ret) {
5037 case DCMD_SUCCESS:
5038
5039
5040
5041 count = le32_to_cpu(ci->count);
5042
5043 if (count > (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT))
5044 break;
5045
5046 if (megasas_dbg_lvl & LD_PD_DEBUG)
5047 dev_info(&instance->pdev->dev, "%s, Device count: 0x%x\n",
5048 __func__, count);
5049
5050 memset(instance->local_pd_list, 0,
5051 MEGASAS_MAX_PD * sizeof(struct megasas_pd_list));
5052 memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT);
5053 for (i = 0; i < count; i++) {
5054 target_id = le16_to_cpu(ci->host_device_list[i].target_id);
5055 if (ci->host_device_list[i].flags.u.bits.is_sys_pd) {
5056 instance->local_pd_list[target_id].tid = target_id;
5057 instance->local_pd_list[target_id].driveType =
5058 ci->host_device_list[i].scsi_type;
5059 instance->local_pd_list[target_id].driveState =
5060 MR_PD_STATE_SYSTEM;
5061 if (megasas_dbg_lvl & LD_PD_DEBUG)
5062 dev_info(&instance->pdev->dev,
5063 "Device %d: PD targetID: 0x%03x deviceType:0x%x\n",
5064 i, target_id, ci->host_device_list[i].scsi_type);
5065 } else {
5066 instance->ld_ids[target_id] = target_id;
5067 if (megasas_dbg_lvl & LD_PD_DEBUG)
5068 dev_info(&instance->pdev->dev,
5069 "Device %d: LD targetID: 0x%03x\n",
5070 i, target_id);
5071 }
5072 }
5073
5074 memcpy(instance->pd_list, instance->local_pd_list,
5075 sizeof(instance->pd_list));
5076 break;
5077
5078 case DCMD_TIMEOUT:
5079 switch (dcmd_timeout_ocr_possible(instance)) {
5080 case INITIATE_OCR:
5081 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5082 mutex_unlock(&instance->reset_mutex);
5083 megasas_reset_fusion(instance->host,
5084 MFI_IO_TIMEOUT_OCR);
5085 mutex_lock(&instance->reset_mutex);
5086 break;
5087 case KILL_ADAPTER:
5088 megaraid_sas_kill_hba(instance);
5089 break;
5090 case IGNORE_TIMEOUT:
5091 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
5092 __func__, __LINE__);
5093 break;
5094 }
5095 break;
5096 case DCMD_FAILED:
5097 dev_err(&instance->pdev->dev,
5098 "%s: MR_DCMD_CTRL_DEVICE_LIST_GET failed\n",
5099 __func__);
5100 break;
5101 }
5102
5103 if (ret != DCMD_TIMEOUT)
5104 megasas_return_cmd(instance, cmd);
5105
5106 return ret;
5107}
5108
5109
5110
5111
5112
5113static void megasas_update_ext_vd_details(struct megasas_instance *instance)
5114{
5115 struct fusion_context *fusion;
5116 u32 ventura_map_sz = 0;
5117
5118 fusion = instance->ctrl_context;
5119
5120 if (!fusion)
5121 return;
5122
5123 instance->supportmax256vd =
5124 instance->ctrl_info_buf->adapterOperations3.supportMaxExtLDs;
5125
5126 if (instance->ctrl_info_buf->max_lds > 64)
5127 instance->supportmax256vd = 1;
5128
5129 instance->drv_supported_vd_count = MEGASAS_MAX_LD_CHANNELS
5130 * MEGASAS_MAX_DEV_PER_CHANNEL;
5131 instance->drv_supported_pd_count = MEGASAS_MAX_PD_CHANNELS
5132 * MEGASAS_MAX_DEV_PER_CHANNEL;
5133 if (instance->supportmax256vd) {
5134 instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT;
5135 instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
5136 } else {
5137 instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
5138 instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
5139 }
5140
5141 dev_info(&instance->pdev->dev,
5142 "FW provided supportMaxExtLDs: %d\tmax_lds: %d\n",
5143 instance->ctrl_info_buf->adapterOperations3.supportMaxExtLDs ? 1 : 0,
5144 instance->ctrl_info_buf->max_lds);
5145
5146 if (instance->max_raid_mapsize) {
5147 ventura_map_sz = instance->max_raid_mapsize *
5148 MR_MIN_MAP_SIZE;
5149 fusion->current_map_sz = ventura_map_sz;
5150 fusion->max_map_sz = ventura_map_sz;
5151 } else {
5152 fusion->old_map_sz = sizeof(struct MR_FW_RAID_MAP) +
5153 (sizeof(struct MR_LD_SPAN_MAP) *
5154 (instance->fw_supported_vd_count - 1));
5155 fusion->new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT);
5156
5157 fusion->max_map_sz =
5158 max(fusion->old_map_sz, fusion->new_map_sz);
5159
5160 if (instance->supportmax256vd)
5161 fusion->current_map_sz = fusion->new_map_sz;
5162 else
5163 fusion->current_map_sz = fusion->old_map_sz;
5164 }
5165
5166 fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP_ALL);
5167}
5168
5169
5170
5171
5172
5173
5174
5175
5176void megasas_get_snapdump_properties(struct megasas_instance *instance)
5177{
5178 int ret = 0;
5179 struct megasas_cmd *cmd;
5180 struct megasas_dcmd_frame *dcmd;
5181 struct MR_SNAPDUMP_PROPERTIES *ci;
5182 dma_addr_t ci_h = 0;
5183
5184 ci = instance->snapdump_prop;
5185 ci_h = instance->snapdump_prop_h;
5186
5187 if (!ci)
5188 return;
5189
5190 cmd = megasas_get_cmd(instance);
5191
5192 if (!cmd) {
5193 dev_dbg(&instance->pdev->dev, "Failed to get a free cmd\n");
5194 return;
5195 }
5196
5197 dcmd = &cmd->frame->dcmd;
5198
5199 memset(ci, 0, sizeof(*ci));
5200 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
5201
5202 dcmd->cmd = MFI_CMD_DCMD;
5203 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
5204 dcmd->sge_count = 1;
5205 dcmd->flags = MFI_FRAME_DIR_READ;
5206 dcmd->timeout = 0;
5207 dcmd->pad_0 = 0;
5208 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_SNAPDUMP_PROPERTIES));
5209 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SNAPDUMP_GET_PROPERTIES);
5210
5211 megasas_set_dma_settings(instance, dcmd, ci_h,
5212 sizeof(struct MR_SNAPDUMP_PROPERTIES));
5213
5214 if (!instance->mask_interrupts) {
5215 ret = megasas_issue_blocked_cmd(instance, cmd,
5216 MFI_IO_TIMEOUT_SECS);
5217 } else {
5218 ret = megasas_issue_polled(instance, cmd);
5219 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5220 }
5221
5222 switch (ret) {
5223 case DCMD_SUCCESS:
5224 instance->snapdump_wait_time =
5225 min_t(u8, ci->trigger_min_num_sec_before_ocr,
5226 MEGASAS_MAX_SNAP_DUMP_WAIT_TIME);
5227 break;
5228
5229 case DCMD_TIMEOUT:
5230 switch (dcmd_timeout_ocr_possible(instance)) {
5231 case INITIATE_OCR:
5232 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5233 mutex_unlock(&instance->reset_mutex);
5234 megasas_reset_fusion(instance->host,
5235 MFI_IO_TIMEOUT_OCR);
5236 mutex_lock(&instance->reset_mutex);
5237 break;
5238 case KILL_ADAPTER:
5239 megaraid_sas_kill_hba(instance);
5240 break;
5241 case IGNORE_TIMEOUT:
5242 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
5243 __func__, __LINE__);
5244 break;
5245 }
5246 }
5247
5248 if (ret != DCMD_TIMEOUT)
5249 megasas_return_cmd(instance, cmd);
5250}
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260int
5261megasas_get_ctrl_info(struct megasas_instance *instance)
5262{
5263 int ret = 0;
5264 struct megasas_cmd *cmd;
5265 struct megasas_dcmd_frame *dcmd;
5266 struct megasas_ctrl_info *ci;
5267 dma_addr_t ci_h = 0;
5268
5269 ci = instance->ctrl_info_buf;
5270 ci_h = instance->ctrl_info_buf_h;
5271
5272 cmd = megasas_get_cmd(instance);
5273
5274 if (!cmd) {
5275 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a free cmd\n");
5276 return -ENOMEM;
5277 }
5278
5279 dcmd = &cmd->frame->dcmd;
5280
5281 memset(ci, 0, sizeof(*ci));
5282 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
5283
5284 dcmd->cmd = MFI_CMD_DCMD;
5285 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
5286 dcmd->sge_count = 1;
5287 dcmd->flags = MFI_FRAME_DIR_READ;
5288 dcmd->timeout = 0;
5289 dcmd->pad_0 = 0;
5290 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_ctrl_info));
5291 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_GET_INFO);
5292 dcmd->mbox.b[0] = 1;
5293
5294 megasas_set_dma_settings(instance, dcmd, ci_h,
5295 sizeof(struct megasas_ctrl_info));
5296
5297 if ((instance->adapter_type != MFI_SERIES) &&
5298 !instance->mask_interrupts) {
5299 ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
5300 } else {
5301 ret = megasas_issue_polled(instance, cmd);
5302 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5303 }
5304
5305 switch (ret) {
5306 case DCMD_SUCCESS:
5307
5308
5309
5310 le32_to_cpus((u32 *)&ci->properties.OnOffProperties);
5311 le16_to_cpus((u16 *)&ci->properties.on_off_properties2);
5312 le32_to_cpus((u32 *)&ci->adapterOperations2);
5313 le32_to_cpus((u32 *)&ci->adapterOperations3);
5314 le16_to_cpus((u16 *)&ci->adapter_operations4);
5315 le32_to_cpus((u32 *)&ci->adapter_operations5);
5316
5317
5318
5319
5320
5321
5322 megasas_update_ext_vd_details(instance);
5323 instance->support_seqnum_jbod_fp =
5324 ci->adapterOperations3.useSeqNumJbodFP;
5325 instance->support_morethan256jbod =
5326 ci->adapter_operations4.support_pd_map_target_id;
5327 instance->support_nvme_passthru =
5328 ci->adapter_operations4.support_nvme_passthru;
5329 instance->support_pci_lane_margining =
5330 ci->adapter_operations5.support_pci_lane_margining;
5331 instance->task_abort_tmo = ci->TaskAbortTO;
5332 instance->max_reset_tmo = ci->MaxResetTO;
5333
5334
5335 instance->is_imr = (ci->memory_size ? 0 : 1);
5336
5337 instance->snapdump_wait_time =
5338 (ci->properties.on_off_properties2.enable_snap_dump ?
5339 MEGASAS_DEFAULT_SNAP_DUMP_WAIT_TIME : 0);
5340
5341 instance->enable_fw_dev_list =
5342 ci->properties.on_off_properties2.enable_fw_dev_list;
5343
5344 dev_info(&instance->pdev->dev,
5345 "controller type\t: %s(%dMB)\n",
5346 instance->is_imr ? "iMR" : "MR",
5347 le16_to_cpu(ci->memory_size));
5348
5349 instance->disableOnlineCtrlReset =
5350 ci->properties.OnOffProperties.disableOnlineCtrlReset;
5351 instance->secure_jbod_support =
5352 ci->adapterOperations3.supportSecurityonJBOD;
5353 dev_info(&instance->pdev->dev, "Online Controller Reset(OCR)\t: %s\n",
5354 instance->disableOnlineCtrlReset ? "Disabled" : "Enabled");
5355 dev_info(&instance->pdev->dev, "Secure JBOD support\t: %s\n",
5356 instance->secure_jbod_support ? "Yes" : "No");
5357 dev_info(&instance->pdev->dev, "NVMe passthru support\t: %s\n",
5358 instance->support_nvme_passthru ? "Yes" : "No");
5359 dev_info(&instance->pdev->dev,
5360 "FW provided TM TaskAbort/Reset timeout\t: %d secs/%d secs\n",
5361 instance->task_abort_tmo, instance->max_reset_tmo);
5362 dev_info(&instance->pdev->dev, "JBOD sequence map support\t: %s\n",
5363 instance->support_seqnum_jbod_fp ? "Yes" : "No");
5364 dev_info(&instance->pdev->dev, "PCI Lane Margining support\t: %s\n",
5365 instance->support_pci_lane_margining ? "Yes" : "No");
5366
5367 break;
5368
5369 case DCMD_TIMEOUT:
5370 switch (dcmd_timeout_ocr_possible(instance)) {
5371 case INITIATE_OCR:
5372 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5373 mutex_unlock(&instance->reset_mutex);
5374 megasas_reset_fusion(instance->host,
5375 MFI_IO_TIMEOUT_OCR);
5376 mutex_lock(&instance->reset_mutex);
5377 break;
5378 case KILL_ADAPTER:
5379 megaraid_sas_kill_hba(instance);
5380 break;
5381 case IGNORE_TIMEOUT:
5382 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
5383 __func__, __LINE__);
5384 break;
5385 }
5386 break;
5387 case DCMD_FAILED:
5388 megaraid_sas_kill_hba(instance);
5389 break;
5390
5391 }
5392
5393 if (ret != DCMD_TIMEOUT)
5394 megasas_return_cmd(instance, cmd);
5395
5396 return ret;
5397}
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414int megasas_set_crash_dump_params(struct megasas_instance *instance,
5415 u8 crash_buf_state)
5416{
5417 int ret = 0;
5418 struct megasas_cmd *cmd;
5419 struct megasas_dcmd_frame *dcmd;
5420
5421 cmd = megasas_get_cmd(instance);
5422
5423 if (!cmd) {
5424 dev_err(&instance->pdev->dev, "Failed to get a free cmd\n");
5425 return -ENOMEM;
5426 }
5427
5428
5429 dcmd = &cmd->frame->dcmd;
5430
5431 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
5432 dcmd->mbox.b[0] = crash_buf_state;
5433 dcmd->cmd = MFI_CMD_DCMD;
5434 dcmd->cmd_status = MFI_STAT_INVALID_STATUS;
5435 dcmd->sge_count = 1;
5436 dcmd->flags = MFI_FRAME_DIR_NONE;
5437 dcmd->timeout = 0;
5438 dcmd->pad_0 = 0;
5439 dcmd->data_xfer_len = cpu_to_le32(CRASH_DMA_BUF_SIZE);
5440 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS);
5441
5442 megasas_set_dma_settings(instance, dcmd, instance->crash_dump_h,
5443 CRASH_DMA_BUF_SIZE);
5444
5445 if ((instance->adapter_type != MFI_SERIES) &&
5446 !instance->mask_interrupts)
5447 ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
5448 else
5449 ret = megasas_issue_polled(instance, cmd);
5450
5451 if (ret == DCMD_TIMEOUT) {
5452 switch (dcmd_timeout_ocr_possible(instance)) {
5453 case INITIATE_OCR:
5454 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
5455 megasas_reset_fusion(instance->host,
5456 MFI_IO_TIMEOUT_OCR);
5457 break;
5458 case KILL_ADAPTER:
5459 megaraid_sas_kill_hba(instance);
5460 break;
5461 case IGNORE_TIMEOUT:
5462 dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n",
5463 __func__, __LINE__);
5464 break;
5465 }
5466 } else
5467 megasas_return_cmd(instance, cmd);
5468
5469 return ret;
5470}
5471
5472
5473
5474
5475
5476
5477
5478static int
5479megasas_issue_init_mfi(struct megasas_instance *instance)
5480{
5481 __le32 context;
5482 struct megasas_cmd *cmd;
5483 struct megasas_init_frame *init_frame;
5484 struct megasas_init_queue_info *initq_info;
5485 dma_addr_t init_frame_h;
5486 dma_addr_t initq_info_h;
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496 cmd = megasas_get_cmd(instance);
5497
5498 init_frame = (struct megasas_init_frame *)cmd->frame;
5499 initq_info = (struct megasas_init_queue_info *)
5500 ((unsigned long)init_frame + 64);
5501
5502 init_frame_h = cmd->frame_phys_addr;
5503 initq_info_h = init_frame_h + 64;
5504
5505 context = init_frame->context;
5506 memset(init_frame, 0, MEGAMFI_FRAME_SIZE);
5507 memset(initq_info, 0, sizeof(struct megasas_init_queue_info));
5508 init_frame->context = context;
5509
5510 initq_info->reply_queue_entries = cpu_to_le32(instance->max_fw_cmds + 1);
5511 initq_info->reply_queue_start_phys_addr_lo = cpu_to_le32(instance->reply_queue_h);
5512
5513 initq_info->producer_index_phys_addr_lo = cpu_to_le32(instance->producer_h);
5514 initq_info->consumer_index_phys_addr_lo = cpu_to_le32(instance->consumer_h);
5515
5516 init_frame->cmd = MFI_CMD_INIT;
5517 init_frame->cmd_status = MFI_STAT_INVALID_STATUS;
5518 init_frame->queue_info_new_phys_addr_lo =
5519 cpu_to_le32(lower_32_bits(initq_info_h));
5520 init_frame->queue_info_new_phys_addr_hi =
5521 cpu_to_le32(upper_32_bits(initq_info_h));
5522
5523 init_frame->data_xfer_len = cpu_to_le32(sizeof(struct megasas_init_queue_info));
5524
5525
5526
5527
5528 instance->instancet->disable_intr(instance);
5529
5530
5531
5532
5533
5534 if (megasas_issue_polled(instance, cmd)) {
5535 dev_err(&instance->pdev->dev, "Failed to init firmware\n");
5536 megasas_return_cmd(instance, cmd);
5537 goto fail_fw_init;
5538 }
5539
5540 megasas_return_cmd(instance, cmd);
5541
5542 return 0;
5543
5544fail_fw_init:
5545 return -EINVAL;
5546}
5547
5548static u32
5549megasas_init_adapter_mfi(struct megasas_instance *instance)
5550{
5551 u32 context_sz;
5552 u32 reply_q_sz;
5553
5554
5555
5556
5557 instance->max_fw_cmds = instance->instancet->read_fw_status_reg(instance) & 0x00FFFF;
5558
5559
5560
5561
5562
5563 instance->max_fw_cmds = instance->max_fw_cmds-1;
5564 instance->max_mfi_cmds = instance->max_fw_cmds;
5565 instance->max_num_sge = (instance->instancet->read_fw_status_reg(instance) & 0xFF0000) >>
5566 0x10;
5567
5568
5569
5570
5571 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
5572 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
5573 instance->max_scsi_cmds = (instance->max_fw_cmds -
5574 MEGASAS_SKINNY_INT_CMDS);
5575 sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
5576 } else {
5577 instance->max_scsi_cmds = (instance->max_fw_cmds -
5578 MEGASAS_INT_CMDS);
5579 sema_init(&instance->ioctl_sem, (MEGASAS_MFI_IOCTL_CMDS));
5580 }
5581
5582 instance->cur_can_queue = instance->max_scsi_cmds;
5583
5584
5585
5586 if (megasas_alloc_cmds(instance))
5587 goto fail_alloc_cmds;
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598 context_sz = sizeof(u32);
5599 reply_q_sz = context_sz * (instance->max_fw_cmds + 1);
5600
5601 instance->reply_queue = dma_alloc_coherent(&instance->pdev->dev,
5602 reply_q_sz, &instance->reply_queue_h, GFP_KERNEL);
5603
5604 if (!instance->reply_queue) {
5605 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Out of DMA mem for reply queue\n");
5606 goto fail_reply_queue;
5607 }
5608
5609 if (megasas_issue_init_mfi(instance))
5610 goto fail_fw_init;
5611
5612 if (megasas_get_ctrl_info(instance)) {
5613 dev_err(&instance->pdev->dev, "(%d): Could get controller info "
5614 "Fail from %s %d\n", instance->unique_id,
5615 __func__, __LINE__);
5616 goto fail_fw_init;
5617 }
5618
5619 instance->fw_support_ieee = 0;
5620 instance->fw_support_ieee =
5621 (instance->instancet->read_fw_status_reg(instance) &
5622 0x04000000);
5623
5624 dev_notice(&instance->pdev->dev, "megasas_init_mfi: fw_support_ieee=%d",
5625 instance->fw_support_ieee);
5626
5627 if (instance->fw_support_ieee)
5628 instance->flag_ieee = 1;
5629
5630 return 0;
5631
5632fail_fw_init:
5633
5634 dma_free_coherent(&instance->pdev->dev, reply_q_sz,
5635 instance->reply_queue, instance->reply_queue_h);
5636fail_reply_queue:
5637 megasas_free_cmds(instance);
5638
5639fail_alloc_cmds:
5640 return 1;
5641}
5642
5643static
5644void megasas_setup_irq_poll(struct megasas_instance *instance)
5645{
5646 struct megasas_irq_context *irq_ctx;
5647 u32 count, i;
5648
5649 count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
5650
5651
5652 for (i = 0; i < count; i++) {
5653 irq_ctx = &instance->irq_context[i];
5654 irq_ctx->os_irq = pci_irq_vector(instance->pdev, i);
5655 irq_ctx->irq_poll_scheduled = false;
5656 irq_poll_init(&irq_ctx->irqpoll,
5657 instance->threshold_reply_count,
5658 megasas_irqpoll);
5659 }
5660}
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670static int
5671megasas_setup_irqs_ioapic(struct megasas_instance *instance)
5672{
5673 struct pci_dev *pdev;
5674
5675 pdev = instance->pdev;
5676 instance->irq_context[0].instance = instance;
5677 instance->irq_context[0].MSIxIndex = 0;
5678 snprintf(instance->irq_context->name, MEGASAS_MSIX_NAME_LEN, "%s%u",
5679 "megasas", instance->host->host_no);
5680 if (request_irq(pci_irq_vector(pdev, 0),
5681 instance->instancet->service_isr, IRQF_SHARED,
5682 instance->irq_context->name, &instance->irq_context[0])) {
5683 dev_err(&instance->pdev->dev,
5684 "Failed to register IRQ from %s %d\n",
5685 __func__, __LINE__);
5686 return -1;
5687 }
5688 instance->perf_mode = MR_LATENCY_PERF_MODE;
5689 instance->low_latency_index_start = 0;
5690 return 0;
5691}
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702static int
5703megasas_setup_irqs_msix(struct megasas_instance *instance, u8 is_probe)
5704{
5705 int i, j;
5706 struct pci_dev *pdev;
5707
5708 pdev = instance->pdev;
5709
5710
5711 for (i = 0; i < instance->msix_vectors; i++) {
5712 instance->irq_context[i].instance = instance;
5713 instance->irq_context[i].MSIxIndex = i;
5714 snprintf(instance->irq_context[i].name, MEGASAS_MSIX_NAME_LEN, "%s%u-msix%u",
5715 "megasas", instance->host->host_no, i);
5716 if (request_irq(pci_irq_vector(pdev, i),
5717 instance->instancet->service_isr, 0, instance->irq_context[i].name,
5718 &instance->irq_context[i])) {
5719 dev_err(&instance->pdev->dev,
5720 "Failed to register IRQ for vector %d.\n", i);
5721 for (j = 0; j < i; j++) {
5722 if (j < instance->low_latency_index_start)
5723 irq_set_affinity_hint(
5724 pci_irq_vector(pdev, j), NULL);
5725 free_irq(pci_irq_vector(pdev, j),
5726 &instance->irq_context[j]);
5727 }
5728
5729 instance->msix_vectors = 0;
5730 instance->msix_load_balance = false;
5731 if (is_probe) {
5732 pci_free_irq_vectors(instance->pdev);
5733 return megasas_setup_irqs_ioapic(instance);
5734 } else {
5735 return -1;
5736 }
5737 }
5738 }
5739
5740 return 0;
5741}
5742
5743
5744
5745
5746
5747
5748static void
5749megasas_destroy_irqs(struct megasas_instance *instance) {
5750
5751 int i;
5752 int count;
5753 struct megasas_irq_context *irq_ctx;
5754
5755 count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
5756 if (instance->adapter_type != MFI_SERIES) {
5757 for (i = 0; i < count; i++) {
5758 irq_ctx = &instance->irq_context[i];
5759 irq_poll_disable(&irq_ctx->irqpoll);
5760 }
5761 }
5762
5763 if (instance->msix_vectors)
5764 for (i = 0; i < instance->msix_vectors; i++) {
5765 if (i < instance->low_latency_index_start)
5766 irq_set_affinity_hint(
5767 pci_irq_vector(instance->pdev, i), NULL);
5768 free_irq(pci_irq_vector(instance->pdev, i),
5769 &instance->irq_context[i]);
5770 }
5771 else
5772 free_irq(pci_irq_vector(instance->pdev, 0),
5773 &instance->irq_context[0]);
5774}
5775
5776
5777
5778
5779
5780
5781
5782void
5783megasas_setup_jbod_map(struct megasas_instance *instance)
5784{
5785 int i;
5786 struct fusion_context *fusion = instance->ctrl_context;
5787 u32 pd_seq_map_sz;
5788
5789 pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
5790 (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1));
5791
5792 instance->use_seqnum_jbod_fp =
5793 instance->support_seqnum_jbod_fp;
5794 if (reset_devices || !fusion ||
5795 !instance->support_seqnum_jbod_fp) {
5796 dev_info(&instance->pdev->dev,
5797 "JBOD sequence map is disabled %s %d\n",
5798 __func__, __LINE__);
5799 instance->use_seqnum_jbod_fp = false;
5800 return;
5801 }
5802
5803 if (fusion->pd_seq_sync[0])
5804 goto skip_alloc;
5805
5806 for (i = 0; i < JBOD_MAPS_COUNT; i++) {
5807 fusion->pd_seq_sync[i] = dma_alloc_coherent
5808 (&instance->pdev->dev, pd_seq_map_sz,
5809 &fusion->pd_seq_phys[i], GFP_KERNEL);
5810 if (!fusion->pd_seq_sync[i]) {
5811 dev_err(&instance->pdev->dev,
5812 "Failed to allocate memory from %s %d\n",
5813 __func__, __LINE__);
5814 if (i == 1) {
5815 dma_free_coherent(&instance->pdev->dev,
5816 pd_seq_map_sz, fusion->pd_seq_sync[0],
5817 fusion->pd_seq_phys[0]);
5818 fusion->pd_seq_sync[0] = NULL;
5819 }
5820 instance->use_seqnum_jbod_fp = false;
5821 return;
5822 }
5823 }
5824
5825skip_alloc:
5826 if (!megasas_sync_pd_seq_num(instance, false) &&
5827 !megasas_sync_pd_seq_num(instance, true))
5828 instance->use_seqnum_jbod_fp = true;
5829 else
5830 instance->use_seqnum_jbod_fp = false;
5831}
5832
5833static void megasas_setup_reply_map(struct megasas_instance *instance)
5834{
5835 const struct cpumask *mask;
5836 unsigned int queue, cpu, low_latency_index_start;
5837
5838 low_latency_index_start = instance->low_latency_index_start;
5839
5840 for (queue = low_latency_index_start; queue < instance->msix_vectors; queue++) {
5841 mask = pci_irq_get_affinity(instance->pdev, queue);
5842 if (!mask)
5843 goto fallback;
5844
5845 for_each_cpu(cpu, mask)
5846 instance->reply_map[cpu] = queue;
5847 }
5848 return;
5849
5850fallback:
5851 queue = low_latency_index_start;
5852 for_each_possible_cpu(cpu) {
5853 instance->reply_map[cpu] = queue;
5854 if (queue == (instance->msix_vectors - 1))
5855 queue = low_latency_index_start;
5856 else
5857 queue++;
5858 }
5859}
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870static
5871int megasas_get_device_list(struct megasas_instance *instance)
5872{
5873 memset(instance->pd_list, 0,
5874 (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
5875 memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
5876
5877 if (instance->enable_fw_dev_list) {
5878 if (megasas_host_device_list_query(instance, true))
5879 return FAILED;
5880 } else {
5881 if (megasas_get_pd_list(instance) < 0) {
5882 dev_err(&instance->pdev->dev, "failed to get PD list\n");
5883 return FAILED;
5884 }
5885
5886 if (megasas_ld_list_query(instance,
5887 MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) {
5888 dev_err(&instance->pdev->dev, "failed to get LD list\n");
5889 return FAILED;
5890 }
5891 }
5892
5893 return SUCCESS;
5894}
5895
5896
5897
5898
5899
5900
5901static inline void
5902megasas_set_high_iops_queue_affinity_hint(struct megasas_instance *instance)
5903{
5904 int i;
5905 int local_numa_node;
5906
5907 if (instance->perf_mode == MR_BALANCED_PERF_MODE) {
5908 local_numa_node = dev_to_node(&instance->pdev->dev);
5909
5910 for (i = 0; i < instance->low_latency_index_start; i++)
5911 irq_set_affinity_hint(pci_irq_vector(instance->pdev, i),
5912 cpumask_of_node(local_numa_node));
5913 }
5914}
5915
5916static int
5917__megasas_alloc_irq_vectors(struct megasas_instance *instance)
5918{
5919 int i, irq_flags;
5920 struct irq_affinity desc = { .pre_vectors = instance->low_latency_index_start };
5921 struct irq_affinity *descp = &desc;
5922
5923 irq_flags = PCI_IRQ_MSIX;
5924
5925 if (instance->smp_affinity_enable)
5926 irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES;
5927 else
5928 descp = NULL;
5929
5930
5931
5932
5933 i = pci_alloc_irq_vectors_affinity(instance->pdev,
5934 instance->low_latency_index_start,
5935 instance->msix_vectors - instance->iopoll_q_count, irq_flags, descp);
5936
5937 return i;
5938}
5939
5940
5941
5942
5943
5944
5945static void
5946megasas_alloc_irq_vectors(struct megasas_instance *instance)
5947{
5948 int i;
5949 unsigned int num_msix_req;
5950
5951 instance->iopoll_q_count = 0;
5952 if ((instance->adapter_type != MFI_SERIES) &&
5953 poll_queues) {
5954
5955 instance->perf_mode = MR_LATENCY_PERF_MODE;
5956 instance->low_latency_index_start = 1;
5957
5958
5959 if (instance->msix_vectors > (poll_queues + 2))
5960 instance->iopoll_q_count = poll_queues;
5961 else
5962 instance->iopoll_q_count = 0;
5963
5964 num_msix_req = num_online_cpus() + instance->low_latency_index_start;
5965 instance->msix_vectors = min(num_msix_req,
5966 instance->msix_vectors);
5967
5968 }
5969
5970 i = __megasas_alloc_irq_vectors(instance);
5971
5972 if (((instance->perf_mode == MR_BALANCED_PERF_MODE)
5973 || instance->iopoll_q_count) &&
5974 (i != (instance->msix_vectors - instance->iopoll_q_count))) {
5975 if (instance->msix_vectors)
5976 pci_free_irq_vectors(instance->pdev);
5977
5978 instance->perf_mode = MR_LATENCY_PERF_MODE;
5979 instance->low_latency_index_start = 1;
5980 num_msix_req = num_online_cpus() + instance->low_latency_index_start;
5981
5982 instance->msix_vectors = min(num_msix_req,
5983 instance->msix_vectors);
5984
5985 instance->iopoll_q_count = 0;
5986 i = __megasas_alloc_irq_vectors(instance);
5987
5988 }
5989
5990 dev_info(&instance->pdev->dev,
5991 "requested/available msix %d/%d poll_queue %d\n",
5992 instance->msix_vectors - instance->iopoll_q_count,
5993 i, instance->iopoll_q_count);
5994
5995 if (i > 0)
5996 instance->msix_vectors = i;
5997 else
5998 instance->msix_vectors = 0;
5999
6000 if (instance->smp_affinity_enable)
6001 megasas_set_high_iops_queue_affinity_hint(instance);
6002}
6003
6004
6005
6006
6007
6008
6009
6010
6011static int megasas_init_fw(struct megasas_instance *instance)
6012{
6013 u32 max_sectors_1;
6014 u32 max_sectors_2, tmp_sectors, msix_enable;
6015 u32 scratch_pad_1, scratch_pad_2, scratch_pad_3, status_reg;
6016 resource_size_t base_addr;
6017 void *base_addr_phys;
6018 struct megasas_ctrl_info *ctrl_info = NULL;
6019 unsigned long bar_list;
6020 int i, j, loop;
6021 struct IOV_111 *iovPtr;
6022 struct fusion_context *fusion;
6023 bool intr_coalescing;
6024 unsigned int num_msix_req;
6025 u16 lnksta, speed;
6026
6027 fusion = instance->ctrl_context;
6028
6029
6030 bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
6031 instance->bar = find_first_bit(&bar_list, BITS_PER_LONG);
6032 if (pci_request_selected_regions(instance->pdev, 1<<instance->bar,
6033 "megasas: LSI")) {
6034 dev_printk(KERN_DEBUG, &instance->pdev->dev, "IO memory region busy!\n");
6035 return -EBUSY;
6036 }
6037
6038 base_addr = pci_resource_start(instance->pdev, instance->bar);
6039 instance->reg_set = ioremap(base_addr, 8192);
6040
6041 if (!instance->reg_set) {
6042 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to map IO mem\n");
6043 goto fail_ioremap;
6044 }
6045
6046 base_addr_phys = &base_addr;
6047 dev_printk(KERN_DEBUG, &instance->pdev->dev,
6048 "BAR:0x%lx BAR's base_addr(phys):%pa mapped virt_addr:0x%p\n",
6049 instance->bar, base_addr_phys, instance->reg_set);
6050
6051 if (instance->adapter_type != MFI_SERIES)
6052 instance->instancet = &megasas_instance_template_fusion;
6053 else {
6054 switch (instance->pdev->device) {
6055 case PCI_DEVICE_ID_LSI_SAS1078R:
6056 case PCI_DEVICE_ID_LSI_SAS1078DE:
6057 instance->instancet = &megasas_instance_template_ppc;
6058 break;
6059 case PCI_DEVICE_ID_LSI_SAS1078GEN2:
6060 case PCI_DEVICE_ID_LSI_SAS0079GEN2:
6061 instance->instancet = &megasas_instance_template_gen2;
6062 break;
6063 case PCI_DEVICE_ID_LSI_SAS0073SKINNY:
6064 case PCI_DEVICE_ID_LSI_SAS0071SKINNY:
6065 instance->instancet = &megasas_instance_template_skinny;
6066 break;
6067 case PCI_DEVICE_ID_LSI_SAS1064R:
6068 case PCI_DEVICE_ID_DELL_PERC5:
6069 default:
6070 instance->instancet = &megasas_instance_template_xscale;
6071 instance->pd_list_not_supported = 1;
6072 break;
6073 }
6074 }
6075
6076 if (megasas_transition_to_ready(instance, 0)) {
6077 dev_info(&instance->pdev->dev,
6078 "Failed to transition controller to ready from %s!\n",
6079 __func__);
6080 if (instance->adapter_type != MFI_SERIES) {
6081 status_reg = instance->instancet->read_fw_status_reg(
6082 instance);
6083 if (status_reg & MFI_RESET_ADAPTER) {
6084 if (megasas_adp_reset_wait_for_ready
6085 (instance, true, 0) == FAILED)
6086 goto fail_ready_state;
6087 } else {
6088 goto fail_ready_state;
6089 }
6090 } else {
6091 atomic_set(&instance->fw_reset_no_pci_access, 1);
6092 instance->instancet->adp_reset
6093 (instance, instance->reg_set);
6094 atomic_set(&instance->fw_reset_no_pci_access, 0);
6095
6096
6097 ssleep(30);
6098
6099 if (megasas_transition_to_ready(instance, 0))
6100 goto fail_ready_state;
6101 }
6102
6103 dev_info(&instance->pdev->dev,
6104 "FW restarted successfully from %s!\n",
6105 __func__);
6106 }
6107
6108 megasas_init_ctrl_params(instance);
6109
6110 if (megasas_set_dma_mask(instance))
6111 goto fail_ready_state;
6112
6113 if (megasas_alloc_ctrl_mem(instance))
6114 goto fail_alloc_dma_buf;
6115
6116 if (megasas_alloc_ctrl_dma_buffers(instance))
6117 goto fail_alloc_dma_buf;
6118
6119 fusion = instance->ctrl_context;
6120
6121 if (instance->adapter_type >= VENTURA_SERIES) {
6122 scratch_pad_2 =
6123 megasas_readl(instance,
6124 &instance->reg_set->outbound_scratch_pad_2);
6125 instance->max_raid_mapsize = ((scratch_pad_2 >>
6126 MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT) &
6127 MR_MAX_RAID_MAP_SIZE_MASK);
6128 }
6129
6130 instance->enable_sdev_max_qd = enable_sdev_max_qd;
6131
6132 switch (instance->adapter_type) {
6133 case VENTURA_SERIES:
6134 fusion->pcie_bw_limitation = true;
6135 break;
6136 case AERO_SERIES:
6137 fusion->r56_div_offload = true;
6138 break;
6139 default:
6140 break;
6141 }
6142
6143
6144 msix_enable = (instance->instancet->read_fw_status_reg(instance) &
6145 0x4000000) >> 0x1a;
6146 if (msix_enable && !msix_disable) {
6147
6148 scratch_pad_1 = megasas_readl
6149 (instance, &instance->reg_set->outbound_scratch_pad_1);
6150
6151 if (fusion) {
6152 if (instance->adapter_type == THUNDERBOLT_SERIES) {
6153
6154 instance->msix_vectors = (scratch_pad_1
6155 & MR_MAX_REPLY_QUEUES_OFFSET) + 1;
6156 } else {
6157 instance->msix_vectors = ((scratch_pad_1
6158 & MR_MAX_REPLY_QUEUES_EXT_OFFSET)
6159 >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1;
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169 switch (instance->adapter_type) {
6170 case INVADER_SERIES:
6171 if (instance->msix_vectors > 8)
6172 instance->msix_combined = true;
6173 break;
6174 case AERO_SERIES:
6175 case VENTURA_SERIES:
6176 if (instance->msix_vectors > 16)
6177 instance->msix_combined = true;
6178 break;
6179 }
6180
6181 if (rdpq_enable)
6182 instance->is_rdpq = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ?
6183 1 : 0;
6184
6185 if (instance->adapter_type >= INVADER_SERIES &&
6186 !instance->msix_combined) {
6187 instance->msix_load_balance = true;
6188 instance->smp_affinity_enable = false;
6189 }
6190
6191
6192
6193
6194
6195 for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) {
6196 instance->reply_post_host_index_addr[loop] =
6197 (u32 __iomem *)
6198 ((u8 __iomem *)instance->reg_set +
6199 MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET
6200 + (loop * 0x10));
6201 }
6202 }
6203
6204 dev_info(&instance->pdev->dev,
6205 "firmware supports msix\t: (%d)",
6206 instance->msix_vectors);
6207 if (msix_vectors)
6208 instance->msix_vectors = min(msix_vectors,
6209 instance->msix_vectors);
6210 } else
6211 instance->msix_vectors = 1;
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233 intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ?
6234 true : false;
6235 if (intr_coalescing &&
6236 (num_online_cpus() >= MR_HIGH_IOPS_QUEUE_COUNT) &&
6237 (instance->msix_vectors == MEGASAS_MAX_MSIX_QUEUES))
6238 instance->perf_mode = MR_BALANCED_PERF_MODE;
6239 else
6240 instance->perf_mode = MR_LATENCY_PERF_MODE;
6241
6242
6243 if (instance->adapter_type == AERO_SERIES) {
6244 pcie_capability_read_word(instance->pdev, PCI_EXP_LNKSTA, &lnksta);
6245 speed = lnksta & PCI_EXP_LNKSTA_CLS;
6246
6247
6248
6249
6250
6251 if (speed < 0x4) {
6252 instance->perf_mode = MR_LATENCY_PERF_MODE;
6253 fusion->pcie_bw_limitation = true;
6254 }
6255
6256
6257
6258
6259
6260
6261
6262 if ((perf_mode >= MR_BALANCED_PERF_MODE) &&
6263 (perf_mode <= MR_LATENCY_PERF_MODE))
6264 instance->perf_mode = perf_mode;
6265
6266
6267
6268
6269 if (!intr_coalescing)
6270 instance->perf_mode = MR_LATENCY_PERF_MODE;
6271
6272 }
6273
6274 if (instance->perf_mode == MR_BALANCED_PERF_MODE)
6275 instance->low_latency_index_start =
6276 MR_HIGH_IOPS_QUEUE_COUNT;
6277 else
6278 instance->low_latency_index_start = 1;
6279
6280 num_msix_req = num_online_cpus() + instance->low_latency_index_start;
6281
6282 instance->msix_vectors = min(num_msix_req,
6283 instance->msix_vectors);
6284
6285 megasas_alloc_irq_vectors(instance);
6286 if (!instance->msix_vectors)
6287 instance->msix_load_balance = false;
6288 }
6289
6290
6291
6292
6293 if (instance->msix_combined) {
6294 instance->reply_post_host_index_addr[0] =
6295 (u32 *)((u8 *)instance->reg_set +
6296 MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET);
6297 } else {
6298 instance->reply_post_host_index_addr[0] =
6299 (u32 *)((u8 *)instance->reg_set +
6300 MPI2_REPLY_POST_HOST_INDEX_OFFSET);
6301 }
6302
6303 if (!instance->msix_vectors) {
6304 i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY);
6305 if (i < 0)
6306 goto fail_init_adapter;
6307 }
6308
6309 megasas_setup_reply_map(instance);
6310
6311 dev_info(&instance->pdev->dev,
6312 "current msix/online cpus\t: (%d/%d)\n",
6313 instance->msix_vectors, (unsigned int)num_online_cpus());
6314 dev_info(&instance->pdev->dev,
6315 "RDPQ mode\t: (%s)\n", instance->is_rdpq ? "enabled" : "disabled");
6316
6317 tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
6318 (unsigned long)instance);
6319
6320
6321
6322
6323
6324 instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
6325 instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
6326
6327 if (instance->instancet->init_adapter(instance))
6328 goto fail_init_adapter;
6329
6330 if (instance->adapter_type >= VENTURA_SERIES) {
6331 scratch_pad_3 =
6332 megasas_readl(instance,
6333 &instance->reg_set->outbound_scratch_pad_3);
6334 if ((scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK) >=
6335 MR_DEFAULT_NVME_PAGE_SHIFT)
6336 instance->nvme_page_size =
6337 (1 << (scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK));
6338
6339 dev_info(&instance->pdev->dev,
6340 "NVME page size\t: (%d)\n", instance->nvme_page_size);
6341 }
6342
6343 if (instance->msix_vectors ?
6344 megasas_setup_irqs_msix(instance, 1) :
6345 megasas_setup_irqs_ioapic(instance))
6346 goto fail_init_adapter;
6347
6348 if (instance->adapter_type != MFI_SERIES)
6349 megasas_setup_irq_poll(instance);
6350
6351 instance->instancet->enable_intr(instance);
6352
6353 dev_info(&instance->pdev->dev, "INIT adapter done\n");
6354
6355 megasas_setup_jbod_map(instance);
6356
6357 if (megasas_get_device_list(instance) != SUCCESS) {
6358 dev_err(&instance->pdev->dev,
6359 "%s: megasas_get_device_list failed\n",
6360 __func__);
6361 goto fail_get_ld_pd_list;
6362 }
6363
6364
6365 if (instance->adapter_type >= VENTURA_SERIES) {
6366 fusion->stream_detect_by_ld =
6367 kcalloc(MAX_LOGICAL_DRIVES_EXT,
6368 sizeof(struct LD_STREAM_DETECT *),
6369 GFP_KERNEL);
6370 if (!fusion->stream_detect_by_ld) {
6371 dev_err(&instance->pdev->dev,
6372 "unable to allocate stream detection for pool of LDs\n");
6373 goto fail_get_ld_pd_list;
6374 }
6375 for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) {
6376 fusion->stream_detect_by_ld[i] =
6377 kzalloc(sizeof(struct LD_STREAM_DETECT),
6378 GFP_KERNEL);
6379 if (!fusion->stream_detect_by_ld[i]) {
6380 dev_err(&instance->pdev->dev,
6381 "unable to allocate stream detect by LD\n ");
6382 for (j = 0; j < i; ++j)
6383 kfree(fusion->stream_detect_by_ld[j]);
6384 kfree(fusion->stream_detect_by_ld);
6385 fusion->stream_detect_by_ld = NULL;
6386 goto fail_get_ld_pd_list;
6387 }
6388 fusion->stream_detect_by_ld[i]->mru_bit_map
6389 = MR_STREAM_BITMAP;
6390 }
6391 }
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402 tmp_sectors = 0;
6403 ctrl_info = instance->ctrl_info_buf;
6404
6405 max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) *
6406 le16_to_cpu(ctrl_info->max_strips_per_io);
6407 max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size);
6408
6409 tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2);
6410
6411 instance->peerIsPresent = ctrl_info->cluster.peerIsPresent;
6412 instance->passive = ctrl_info->cluster.passive;
6413 memcpy(instance->clusterId, ctrl_info->clusterId, sizeof(instance->clusterId));
6414 instance->UnevenSpanSupport =
6415 ctrl_info->adapterOperations2.supportUnevenSpans;
6416 if (instance->UnevenSpanSupport) {
6417 struct fusion_context *fusion = instance->ctrl_context;
6418 if (MR_ValidateMapInfo(instance, instance->map_id))
6419 fusion->fast_path_io = 1;
6420 else
6421 fusion->fast_path_io = 0;
6422
6423 }
6424 if (ctrl_info->host_interface.SRIOV) {
6425 instance->requestorId = ctrl_info->iov.requestorId;
6426 if (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) {
6427 if (!ctrl_info->adapterOperations2.activePassive)
6428 instance->PlasmaFW111 = 1;
6429
6430 dev_info(&instance->pdev->dev, "SR-IOV: firmware type: %s\n",
6431 instance->PlasmaFW111 ? "1.11" : "new");
6432
6433 if (instance->PlasmaFW111) {
6434 iovPtr = (struct IOV_111 *)
6435 ((unsigned char *)ctrl_info + IOV_111_OFFSET);
6436 instance->requestorId = iovPtr->requestorId;
6437 }
6438 }
6439 dev_info(&instance->pdev->dev, "SRIOV: VF requestorId %d\n",
6440 instance->requestorId);
6441 }
6442
6443 instance->crash_dump_fw_support =
6444 ctrl_info->adapterOperations3.supportCrashDump;
6445 instance->crash_dump_drv_support =
6446 (instance->crash_dump_fw_support &&
6447 instance->crash_dump_buf);
6448 if (instance->crash_dump_drv_support)
6449 megasas_set_crash_dump_params(instance,
6450 MR_CRASH_BUF_TURN_OFF);
6451
6452 else {
6453 if (instance->crash_dump_buf)
6454 dma_free_coherent(&instance->pdev->dev,
6455 CRASH_DMA_BUF_SIZE,
6456 instance->crash_dump_buf,
6457 instance->crash_dump_h);
6458 instance->crash_dump_buf = NULL;
6459 }
6460
6461 if (instance->snapdump_wait_time) {
6462 megasas_get_snapdump_properties(instance);
6463 dev_info(&instance->pdev->dev, "Snap dump wait time\t: %d\n",
6464 instance->snapdump_wait_time);
6465 }
6466
6467 dev_info(&instance->pdev->dev,
6468 "pci id\t\t: (0x%04x)/(0x%04x)/(0x%04x)/(0x%04x)\n",
6469 le16_to_cpu(ctrl_info->pci.vendor_id),
6470 le16_to_cpu(ctrl_info->pci.device_id),
6471 le16_to_cpu(ctrl_info->pci.sub_vendor_id),
6472 le16_to_cpu(ctrl_info->pci.sub_device_id));
6473 dev_info(&instance->pdev->dev, "unevenspan support : %s\n",
6474 instance->UnevenSpanSupport ? "yes" : "no");
6475 dev_info(&instance->pdev->dev, "firmware crash dump : %s\n",
6476 instance->crash_dump_drv_support ? "yes" : "no");
6477 dev_info(&instance->pdev->dev, "JBOD sequence map : %s\n",
6478 instance->use_seqnum_jbod_fp ? "enabled" : "disabled");
6479
6480 instance->max_sectors_per_req = instance->max_num_sge *
6481 SGE_BUFFER_SIZE / 512;
6482 if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors))
6483 instance->max_sectors_per_req = tmp_sectors;
6484
6485
6486 if (throttlequeuedepth &&
6487 throttlequeuedepth <= instance->max_scsi_cmds)
6488 instance->throttlequeuedepth = throttlequeuedepth;
6489 else
6490 instance->throttlequeuedepth =
6491 MEGASAS_THROTTLE_QUEUE_DEPTH;
6492
6493 if ((resetwaittime < 1) ||
6494 (resetwaittime > MEGASAS_RESET_WAIT_TIME))
6495 resetwaittime = MEGASAS_RESET_WAIT_TIME;
6496
6497 if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT))
6498 scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT;
6499
6500
6501 if (instance->requestorId) {
6502 if (!megasas_sriov_start_heartbeat(instance, 1)) {
6503 megasas_start_timer(instance);
6504 } else {
6505 instance->skip_heartbeat_timer_del = 1;
6506 goto fail_get_ld_pd_list;
6507 }
6508 }
6509
6510
6511
6512
6513
6514
6515 if (instance->adapter_type != MFI_SERIES)
6516 if (megasas_fusion_start_watchdog(instance) != SUCCESS)
6517 goto fail_start_watchdog;
6518
6519 return 0;
6520
6521fail_start_watchdog:
6522 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
6523 del_timer_sync(&instance->sriov_heartbeat_timer);
6524fail_get_ld_pd_list:
6525 instance->instancet->disable_intr(instance);
6526 megasas_destroy_irqs(instance);
6527fail_init_adapter:
6528 if (instance->msix_vectors)
6529 pci_free_irq_vectors(instance->pdev);
6530 instance->msix_vectors = 0;
6531fail_alloc_dma_buf:
6532 megasas_free_ctrl_dma_buffers(instance);
6533 megasas_free_ctrl_mem(instance);
6534fail_ready_state:
6535 iounmap(instance->reg_set);
6536
6537fail_ioremap:
6538 pci_release_selected_regions(instance->pdev, 1<<instance->bar);
6539
6540 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
6541 __func__, __LINE__);
6542 return -EINVAL;
6543}
6544
6545
6546
6547
6548
6549static void megasas_release_mfi(struct megasas_instance *instance)
6550{
6551 u32 reply_q_sz = sizeof(u32) *(instance->max_mfi_cmds + 1);
6552
6553 if (instance->reply_queue)
6554 dma_free_coherent(&instance->pdev->dev, reply_q_sz,
6555 instance->reply_queue, instance->reply_queue_h);
6556
6557 megasas_free_cmds(instance);
6558
6559 iounmap(instance->reg_set);
6560
6561 pci_release_selected_regions(instance->pdev, 1<<instance->bar);
6562}
6563
6564
6565
6566
6567
6568
6569
6570
6571
6572
6573
6574
6575
6576static int
6577megasas_get_seq_num(struct megasas_instance *instance,
6578 struct megasas_evt_log_info *eli)
6579{
6580 struct megasas_cmd *cmd;
6581 struct megasas_dcmd_frame *dcmd;
6582 struct megasas_evt_log_info *el_info;
6583 dma_addr_t el_info_h = 0;
6584 int ret;
6585
6586 cmd = megasas_get_cmd(instance);
6587
6588 if (!cmd) {
6589 return -ENOMEM;
6590 }
6591
6592 dcmd = &cmd->frame->dcmd;
6593 el_info = dma_alloc_coherent(&instance->pdev->dev,
6594 sizeof(struct megasas_evt_log_info),
6595 &el_info_h, GFP_KERNEL);
6596 if (!el_info) {
6597 megasas_return_cmd(instance, cmd);
6598 return -ENOMEM;
6599 }
6600
6601 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
6602
6603 dcmd->cmd = MFI_CMD_DCMD;
6604 dcmd->cmd_status = 0x0;
6605 dcmd->sge_count = 1;
6606 dcmd->flags = MFI_FRAME_DIR_READ;
6607 dcmd->timeout = 0;
6608 dcmd->pad_0 = 0;
6609 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_log_info));
6610 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_GET_INFO);
6611
6612 megasas_set_dma_settings(instance, dcmd, el_info_h,
6613 sizeof(struct megasas_evt_log_info));
6614
6615 ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
6616 if (ret != DCMD_SUCCESS) {
6617 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
6618 __func__, __LINE__);
6619 goto dcmd_failed;
6620 }
6621
6622
6623
6624
6625 eli->newest_seq_num = el_info->newest_seq_num;
6626 eli->oldest_seq_num = el_info->oldest_seq_num;
6627 eli->clear_seq_num = el_info->clear_seq_num;
6628 eli->shutdown_seq_num = el_info->shutdown_seq_num;
6629 eli->boot_seq_num = el_info->boot_seq_num;
6630
6631dcmd_failed:
6632 dma_free_coherent(&instance->pdev->dev,
6633 sizeof(struct megasas_evt_log_info),
6634 el_info, el_info_h);
6635
6636 megasas_return_cmd(instance, cmd);
6637
6638 return ret;
6639}
6640
6641
6642
6643
6644
6645
6646
6647
6648
6649
6650static int
6651megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
6652 u32 class_locale_word)
6653{
6654 int ret_val;
6655 struct megasas_cmd *cmd;
6656 struct megasas_dcmd_frame *dcmd;
6657 union megasas_evt_class_locale curr_aen;
6658 union megasas_evt_class_locale prev_aen;
6659
6660
6661
6662
6663
6664
6665
6666
6667
6668
6669
6670
6671
6672
6673 curr_aen.word = class_locale_word;
6674
6675 if (instance->aen_cmd) {
6676
6677 prev_aen.word =
6678 le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]);
6679
6680 if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) ||
6681 (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) {
6682 dev_info(&instance->pdev->dev,
6683 "%s %d out of range class %d send by application\n",
6684 __func__, __LINE__, curr_aen.members.class);
6685 return 0;
6686 }
6687
6688
6689
6690
6691
6692
6693
6694
6695
6696
6697
6698 if ((prev_aen.members.class <= curr_aen.members.class) &&
6699 !((prev_aen.members.locale & curr_aen.members.locale) ^
6700 curr_aen.members.locale)) {
6701
6702
6703
6704
6705 return 0;
6706 } else {
6707 curr_aen.members.locale |= prev_aen.members.locale;
6708
6709 if (prev_aen.members.class < curr_aen.members.class)
6710 curr_aen.members.class = prev_aen.members.class;
6711
6712 instance->aen_cmd->abort_aen = 1;
6713 ret_val = megasas_issue_blocked_abort_cmd(instance,
6714 instance->
6715 aen_cmd, 30);
6716
6717 if (ret_val) {
6718 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to abort "
6719 "previous AEN command\n");
6720 return ret_val;
6721 }
6722 }
6723 }
6724
6725 cmd = megasas_get_cmd(instance);
6726
6727 if (!cmd)
6728 return -ENOMEM;
6729
6730 dcmd = &cmd->frame->dcmd;
6731
6732 memset(instance->evt_detail, 0, sizeof(struct megasas_evt_detail));
6733
6734
6735
6736
6737 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
6738
6739 dcmd->cmd = MFI_CMD_DCMD;
6740 dcmd->cmd_status = 0x0;
6741 dcmd->sge_count = 1;
6742 dcmd->flags = MFI_FRAME_DIR_READ;
6743 dcmd->timeout = 0;
6744 dcmd->pad_0 = 0;
6745 dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_detail));
6746 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_WAIT);
6747 dcmd->mbox.w[0] = cpu_to_le32(seq_num);
6748 instance->last_seq_num = seq_num;
6749 dcmd->mbox.w[1] = cpu_to_le32(curr_aen.word);
6750
6751 megasas_set_dma_settings(instance, dcmd, instance->evt_detail_h,
6752 sizeof(struct megasas_evt_detail));
6753
6754 if (instance->aen_cmd != NULL) {
6755 megasas_return_cmd(instance, cmd);
6756 return 0;
6757 }
6758
6759
6760
6761
6762
6763
6764 instance->aen_cmd = cmd;
6765
6766
6767
6768
6769 instance->instancet->issue_dcmd(instance, cmd);
6770
6771 return 0;
6772}
6773
6774
6775
6776
6777
6778
6779
6780
6781
6782
6783
6784
6785
6786
6787
6788
6789
6790
6791
6792int
6793megasas_get_target_prop(struct megasas_instance *instance,
6794 struct scsi_device *sdev)
6795{
6796 int ret;
6797 struct megasas_cmd *cmd;
6798 struct megasas_dcmd_frame *dcmd;
6799 u16 targetId = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +
6800 sdev->id;
6801
6802 cmd = megasas_get_cmd(instance);
6803
6804 if (!cmd) {
6805 dev_err(&instance->pdev->dev,
6806 "Failed to get cmd %s\n", __func__);
6807 return -ENOMEM;
6808 }
6809
6810 dcmd = &cmd->frame->dcmd;
6811
6812 memset(instance->tgt_prop, 0, sizeof(*instance->tgt_prop));
6813 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
6814 dcmd->mbox.b[0] = MEGASAS_IS_LOGICAL(sdev);
6815
6816 dcmd->mbox.s[1] = cpu_to_le16(targetId);
6817 dcmd->cmd = MFI_CMD_DCMD;
6818 dcmd->cmd_status = 0xFF;
6819 dcmd->sge_count = 1;
6820 dcmd->flags = MFI_FRAME_DIR_READ;
6821 dcmd->timeout = 0;
6822 dcmd->pad_0 = 0;
6823 dcmd->data_xfer_len =
6824 cpu_to_le32(sizeof(struct MR_TARGET_PROPERTIES));
6825 dcmd->opcode = cpu_to_le32(MR_DCMD_DRV_GET_TARGET_PROP);
6826
6827 megasas_set_dma_settings(instance, dcmd, instance->tgt_prop_h,
6828 sizeof(struct MR_TARGET_PROPERTIES));
6829
6830 if ((instance->adapter_type != MFI_SERIES) &&
6831 !instance->mask_interrupts)
6832 ret = megasas_issue_blocked_cmd(instance,
6833 cmd, MFI_IO_TIMEOUT_SECS);
6834 else
6835 ret = megasas_issue_polled(instance, cmd);
6836
6837 switch (ret) {
6838 case DCMD_TIMEOUT:
6839 switch (dcmd_timeout_ocr_possible(instance)) {
6840 case INITIATE_OCR:
6841 cmd->flags |= DRV_DCMD_SKIP_REFIRE;
6842 mutex_unlock(&instance->reset_mutex);
6843 megasas_reset_fusion(instance->host,
6844 MFI_IO_TIMEOUT_OCR);
6845 mutex_lock(&instance->reset_mutex);
6846 break;
6847 case KILL_ADAPTER:
6848 megaraid_sas_kill_hba(instance);
6849 break;
6850 case IGNORE_TIMEOUT:
6851 dev_info(&instance->pdev->dev,
6852 "Ignore DCMD timeout: %s %d\n",
6853 __func__, __LINE__);
6854 break;
6855 }
6856 break;
6857
6858 default:
6859 megasas_return_cmd(instance, cmd);
6860 }
6861 if (ret != DCMD_SUCCESS)
6862 dev_err(&instance->pdev->dev,
6863 "return from %s %d return value %d\n",
6864 __func__, __LINE__, ret);
6865
6866 return ret;
6867}
6868
6869
6870
6871
6872
6873static int megasas_start_aen(struct megasas_instance *instance)
6874{
6875 struct megasas_evt_log_info eli;
6876 union megasas_evt_class_locale class_locale;
6877
6878
6879
6880
6881 memset(&eli, 0, sizeof(eli));
6882
6883 if (megasas_get_seq_num(instance, &eli))
6884 return -1;
6885
6886
6887
6888
6889 class_locale.members.reserved = 0;
6890 class_locale.members.locale = MR_EVT_LOCALE_ALL;
6891 class_locale.members.class = MR_EVT_CLASS_DEBUG;
6892
6893 return megasas_register_aen(instance,
6894 le32_to_cpu(eli.newest_seq_num) + 1,
6895 class_locale.word);
6896}
6897
6898
6899
6900
6901
6902static int megasas_io_attach(struct megasas_instance *instance)
6903{
6904 struct Scsi_Host *host = instance->host;
6905
6906
6907
6908
6909 host->unique_id = instance->unique_id;
6910 host->can_queue = instance->max_scsi_cmds;
6911 host->this_id = instance->init_id;
6912 host->sg_tablesize = instance->max_num_sge;
6913
6914 if (instance->fw_support_ieee)
6915 instance->max_sectors_per_req = MEGASAS_MAX_SECTORS_IEEE;
6916
6917
6918
6919
6920 if (max_sectors && max_sectors < instance->max_sectors_per_req)
6921 instance->max_sectors_per_req = max_sectors;
6922 else {
6923 if (max_sectors) {
6924 if (((instance->pdev->device ==
6925 PCI_DEVICE_ID_LSI_SAS1078GEN2) ||
6926 (instance->pdev->device ==
6927 PCI_DEVICE_ID_LSI_SAS0079GEN2)) &&
6928 (max_sectors <= MEGASAS_MAX_SECTORS)) {
6929 instance->max_sectors_per_req = max_sectors;
6930 } else {
6931 dev_info(&instance->pdev->dev, "max_sectors should be > 0"
6932 "and <= %d (or < 1MB for GEN2 controller)\n",
6933 instance->max_sectors_per_req);
6934 }
6935 }
6936 }
6937
6938 host->max_sectors = instance->max_sectors_per_req;
6939 host->cmd_per_lun = MEGASAS_DEFAULT_CMD_PER_LUN;
6940 host->max_channel = MEGASAS_MAX_CHANNELS - 1;
6941 host->max_id = MEGASAS_MAX_DEV_PER_CHANNEL;
6942 host->max_lun = MEGASAS_MAX_LUN;
6943 host->max_cmd_len = 16;
6944
6945
6946
6947
6948
6949
6950 host->host_tagset = 0;
6951 host->nr_hw_queues = 1;
6952
6953 if ((instance->adapter_type != MFI_SERIES) &&
6954 (instance->msix_vectors > instance->low_latency_index_start) &&
6955 host_tagset_enable &&
6956 instance->smp_affinity_enable) {
6957 host->host_tagset = 1;
6958 host->nr_hw_queues = instance->msix_vectors -
6959 instance->low_latency_index_start + instance->iopoll_q_count;
6960 if (instance->iopoll_q_count)
6961 host->nr_maps = 3;
6962 } else {
6963 instance->iopoll_q_count = 0;
6964 }
6965
6966 dev_info(&instance->pdev->dev,
6967 "Max firmware commands: %d shared with default "
6968 "hw_queues = %d poll_queues %d\n", instance->max_fw_cmds,
6969 host->nr_hw_queues - instance->iopoll_q_count,
6970 instance->iopoll_q_count);
6971
6972
6973
6974 if (scsi_add_host(host, &instance->pdev->dev)) {
6975 dev_err(&instance->pdev->dev,
6976 "Failed to add host from %s %d\n",
6977 __func__, __LINE__);
6978 return -ENODEV;
6979 }
6980
6981 return 0;
6982}
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001static int
7002megasas_set_dma_mask(struct megasas_instance *instance)
7003{
7004 u64 consistent_mask;
7005 struct pci_dev *pdev;
7006 u32 scratch_pad_1;
7007
7008 pdev = instance->pdev;
7009 consistent_mask = (instance->adapter_type >= VENTURA_SERIES) ?
7010 DMA_BIT_MASK(63) : DMA_BIT_MASK(32);
7011
7012 if (IS_DMA64) {
7013 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(63)) &&
7014 dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
7015 goto fail_set_dma_mask;
7016
7017 if ((*pdev->dev.dma_mask == DMA_BIT_MASK(63)) &&
7018 (dma_set_coherent_mask(&pdev->dev, consistent_mask) &&
7019 dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {
7020
7021
7022
7023
7024 scratch_pad_1 = megasas_readl
7025 (instance, &instance->reg_set->outbound_scratch_pad_1);
7026
7027 if (!(scratch_pad_1 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET))
7028 goto fail_set_dma_mask;
7029 else if (dma_set_mask_and_coherent(&pdev->dev,
7030 DMA_BIT_MASK(63)))
7031 goto fail_set_dma_mask;
7032 }
7033 } else if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))
7034 goto fail_set_dma_mask;
7035
7036 if (pdev->dev.coherent_dma_mask == DMA_BIT_MASK(32))
7037 instance->consistent_mask_64bit = false;
7038 else
7039 instance->consistent_mask_64bit = true;
7040
7041 dev_info(&pdev->dev, "%s bit DMA mask and %s bit consistent mask\n",
7042 ((*pdev->dev.dma_mask == DMA_BIT_MASK(63)) ? "63" : "32"),
7043 (instance->consistent_mask_64bit ? "63" : "32"));
7044
7045 return 0;
7046
7047fail_set_dma_mask:
7048 dev_err(&pdev->dev, "Failed to set DMA mask\n");
7049 return -1;
7050
7051}
7052
7053
7054
7055
7056
7057
7058
7059
7060
7061
7062
7063
7064
7065
7066
7067static inline void megasas_set_adapter_type(struct megasas_instance *instance)
7068{
7069 if ((instance->pdev->vendor == PCI_VENDOR_ID_DELL) &&
7070 (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5)) {
7071 instance->adapter_type = MFI_SERIES;
7072 } else {
7073 switch (instance->pdev->device) {
7074 case PCI_DEVICE_ID_LSI_AERO_10E1:
7075 case PCI_DEVICE_ID_LSI_AERO_10E2:
7076 case PCI_DEVICE_ID_LSI_AERO_10E5:
7077 case PCI_DEVICE_ID_LSI_AERO_10E6:
7078 instance->adapter_type = AERO_SERIES;
7079 break;
7080 case PCI_DEVICE_ID_LSI_VENTURA:
7081 case PCI_DEVICE_ID_LSI_CRUSADER:
7082 case PCI_DEVICE_ID_LSI_HARPOON:
7083 case PCI_DEVICE_ID_LSI_TOMCAT:
7084 case PCI_DEVICE_ID_LSI_VENTURA_4PORT:
7085 case PCI_DEVICE_ID_LSI_CRUSADER_4PORT:
7086 instance->adapter_type = VENTURA_SERIES;
7087 break;
7088 case PCI_DEVICE_ID_LSI_FUSION:
7089 case PCI_DEVICE_ID_LSI_PLASMA:
7090 instance->adapter_type = THUNDERBOLT_SERIES;
7091 break;
7092 case PCI_DEVICE_ID_LSI_INVADER:
7093 case PCI_DEVICE_ID_LSI_INTRUDER:
7094 case PCI_DEVICE_ID_LSI_INTRUDER_24:
7095 case PCI_DEVICE_ID_LSI_CUTLASS_52:
7096 case PCI_DEVICE_ID_LSI_CUTLASS_53:
7097 case PCI_DEVICE_ID_LSI_FURY:
7098 instance->adapter_type = INVADER_SERIES;
7099 break;
7100 default:
7101 instance->adapter_type = MFI_SERIES;
7102 break;
7103 }
7104 }
7105}
7106
7107static inline int megasas_alloc_mfi_ctrl_mem(struct megasas_instance *instance)
7108{
7109 instance->producer = dma_alloc_coherent(&instance->pdev->dev,
7110 sizeof(u32), &instance->producer_h, GFP_KERNEL);
7111 instance->consumer = dma_alloc_coherent(&instance->pdev->dev,
7112 sizeof(u32), &instance->consumer_h, GFP_KERNEL);
7113
7114 if (!instance->producer || !instance->consumer) {
7115 dev_err(&instance->pdev->dev,
7116 "Failed to allocate memory for producer, consumer\n");
7117 return -1;
7118 }
7119
7120 *instance->producer = 0;
7121 *instance->consumer = 0;
7122 return 0;
7123}
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135static int megasas_alloc_ctrl_mem(struct megasas_instance *instance)
7136{
7137 instance->reply_map = kcalloc(nr_cpu_ids, sizeof(unsigned int),
7138 GFP_KERNEL);
7139 if (!instance->reply_map)
7140 return -ENOMEM;
7141
7142 switch (instance->adapter_type) {
7143 case MFI_SERIES:
7144 if (megasas_alloc_mfi_ctrl_mem(instance))
7145 goto fail;
7146 break;
7147 case AERO_SERIES:
7148 case VENTURA_SERIES:
7149 case THUNDERBOLT_SERIES:
7150 case INVADER_SERIES:
7151 if (megasas_alloc_fusion_context(instance))
7152 goto fail;
7153 break;
7154 }
7155
7156 return 0;
7157 fail:
7158 kfree(instance->reply_map);
7159 instance->reply_map = NULL;
7160 return -ENOMEM;
7161}
7162
7163
7164
7165
7166
7167
7168
7169
7170static inline void megasas_free_ctrl_mem(struct megasas_instance *instance)
7171{
7172 kfree(instance->reply_map);
7173 if (instance->adapter_type == MFI_SERIES) {
7174 if (instance->producer)
7175 dma_free_coherent(&instance->pdev->dev, sizeof(u32),
7176 instance->producer,
7177 instance->producer_h);
7178 if (instance->consumer)
7179 dma_free_coherent(&instance->pdev->dev, sizeof(u32),
7180 instance->consumer,
7181 instance->consumer_h);
7182 } else {
7183 megasas_free_fusion_context(instance);
7184 }
7185}
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195static inline
7196int megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance)
7197{
7198 struct pci_dev *pdev = instance->pdev;
7199 struct fusion_context *fusion = instance->ctrl_context;
7200
7201 instance->evt_detail = dma_alloc_coherent(&pdev->dev,
7202 sizeof(struct megasas_evt_detail),
7203 &instance->evt_detail_h, GFP_KERNEL);
7204
7205 if (!instance->evt_detail) {
7206 dev_err(&instance->pdev->dev,
7207 "Failed to allocate event detail buffer\n");
7208 return -ENOMEM;
7209 }
7210
7211 if (fusion) {
7212 fusion->ioc_init_request =
7213 dma_alloc_coherent(&pdev->dev,
7214 sizeof(struct MPI2_IOC_INIT_REQUEST),
7215 &fusion->ioc_init_request_phys,
7216 GFP_KERNEL);
7217
7218 if (!fusion->ioc_init_request) {
7219 dev_err(&pdev->dev,
7220 "Failed to allocate PD list buffer\n");
7221 return -ENOMEM;
7222 }
7223
7224 instance->snapdump_prop = dma_alloc_coherent(&pdev->dev,
7225 sizeof(struct MR_SNAPDUMP_PROPERTIES),
7226 &instance->snapdump_prop_h, GFP_KERNEL);
7227
7228 if (!instance->snapdump_prop)
7229 dev_err(&pdev->dev,
7230 "Failed to allocate snapdump properties buffer\n");
7231
7232 instance->host_device_list_buf = dma_alloc_coherent(&pdev->dev,
7233 HOST_DEVICE_LIST_SZ,
7234 &instance->host_device_list_buf_h,
7235 GFP_KERNEL);
7236
7237 if (!instance->host_device_list_buf) {
7238 dev_err(&pdev->dev,
7239 "Failed to allocate targetid list buffer\n");
7240 return -ENOMEM;
7241 }
7242
7243 }
7244
7245 instance->pd_list_buf =
7246 dma_alloc_coherent(&pdev->dev,
7247 MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST),
7248 &instance->pd_list_buf_h, GFP_KERNEL);
7249
7250 if (!instance->pd_list_buf) {
7251 dev_err(&pdev->dev, "Failed to allocate PD list buffer\n");
7252 return -ENOMEM;
7253 }
7254
7255 instance->ctrl_info_buf =
7256 dma_alloc_coherent(&pdev->dev,
7257 sizeof(struct megasas_ctrl_info),
7258 &instance->ctrl_info_buf_h, GFP_KERNEL);
7259
7260 if (!instance->ctrl_info_buf) {
7261 dev_err(&pdev->dev,
7262 "Failed to allocate controller info buffer\n");
7263 return -ENOMEM;
7264 }
7265
7266 instance->ld_list_buf =
7267 dma_alloc_coherent(&pdev->dev,
7268 sizeof(struct MR_LD_LIST),
7269 &instance->ld_list_buf_h, GFP_KERNEL);
7270
7271 if (!instance->ld_list_buf) {
7272 dev_err(&pdev->dev, "Failed to allocate LD list buffer\n");
7273 return -ENOMEM;
7274 }
7275
7276 instance->ld_targetid_list_buf =
7277 dma_alloc_coherent(&pdev->dev,
7278 sizeof(struct MR_LD_TARGETID_LIST),
7279 &instance->ld_targetid_list_buf_h, GFP_KERNEL);
7280
7281 if (!instance->ld_targetid_list_buf) {
7282 dev_err(&pdev->dev,
7283 "Failed to allocate LD targetid list buffer\n");
7284 return -ENOMEM;
7285 }
7286
7287 if (!reset_devices) {
7288 instance->system_info_buf =
7289 dma_alloc_coherent(&pdev->dev,
7290 sizeof(struct MR_DRV_SYSTEM_INFO),
7291 &instance->system_info_h, GFP_KERNEL);
7292 instance->pd_info =
7293 dma_alloc_coherent(&pdev->dev,
7294 sizeof(struct MR_PD_INFO),
7295 &instance->pd_info_h, GFP_KERNEL);
7296 instance->tgt_prop =
7297 dma_alloc_coherent(&pdev->dev,
7298 sizeof(struct MR_TARGET_PROPERTIES),
7299 &instance->tgt_prop_h, GFP_KERNEL);
7300 instance->crash_dump_buf =
7301 dma_alloc_coherent(&pdev->dev, CRASH_DMA_BUF_SIZE,
7302 &instance->crash_dump_h, GFP_KERNEL);
7303
7304 if (!instance->system_info_buf)
7305 dev_err(&instance->pdev->dev,
7306 "Failed to allocate system info buffer\n");
7307
7308 if (!instance->pd_info)
7309 dev_err(&instance->pdev->dev,
7310 "Failed to allocate pd_info buffer\n");
7311
7312 if (!instance->tgt_prop)
7313 dev_err(&instance->pdev->dev,
7314 "Failed to allocate tgt_prop buffer\n");
7315
7316 if (!instance->crash_dump_buf)
7317 dev_err(&instance->pdev->dev,
7318 "Failed to allocate crash dump buffer\n");
7319 }
7320
7321 return 0;
7322}
7323
7324
7325
7326
7327
7328
7329
7330
7331static inline
7332void megasas_free_ctrl_dma_buffers(struct megasas_instance *instance)
7333{
7334 struct pci_dev *pdev = instance->pdev;
7335 struct fusion_context *fusion = instance->ctrl_context;
7336
7337 if (instance->evt_detail)
7338 dma_free_coherent(&pdev->dev, sizeof(struct megasas_evt_detail),
7339 instance->evt_detail,
7340 instance->evt_detail_h);
7341
7342 if (fusion && fusion->ioc_init_request)
7343 dma_free_coherent(&pdev->dev,
7344 sizeof(struct MPI2_IOC_INIT_REQUEST),
7345 fusion->ioc_init_request,
7346 fusion->ioc_init_request_phys);
7347
7348 if (instance->pd_list_buf)
7349 dma_free_coherent(&pdev->dev,
7350 MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST),
7351 instance->pd_list_buf,
7352 instance->pd_list_buf_h);
7353
7354 if (instance->ld_list_buf)
7355 dma_free_coherent(&pdev->dev, sizeof(struct MR_LD_LIST),
7356 instance->ld_list_buf,
7357 instance->ld_list_buf_h);
7358
7359 if (instance->ld_targetid_list_buf)
7360 dma_free_coherent(&pdev->dev, sizeof(struct MR_LD_TARGETID_LIST),
7361 instance->ld_targetid_list_buf,
7362 instance->ld_targetid_list_buf_h);
7363
7364 if (instance->ctrl_info_buf)
7365 dma_free_coherent(&pdev->dev, sizeof(struct megasas_ctrl_info),
7366 instance->ctrl_info_buf,
7367 instance->ctrl_info_buf_h);
7368
7369 if (instance->system_info_buf)
7370 dma_free_coherent(&pdev->dev, sizeof(struct MR_DRV_SYSTEM_INFO),
7371 instance->system_info_buf,
7372 instance->system_info_h);
7373
7374 if (instance->pd_info)
7375 dma_free_coherent(&pdev->dev, sizeof(struct MR_PD_INFO),
7376 instance->pd_info, instance->pd_info_h);
7377
7378 if (instance->tgt_prop)
7379 dma_free_coherent(&pdev->dev, sizeof(struct MR_TARGET_PROPERTIES),
7380 instance->tgt_prop, instance->tgt_prop_h);
7381
7382 if (instance->crash_dump_buf)
7383 dma_free_coherent(&pdev->dev, CRASH_DMA_BUF_SIZE,
7384 instance->crash_dump_buf,
7385 instance->crash_dump_h);
7386
7387 if (instance->snapdump_prop)
7388 dma_free_coherent(&pdev->dev,
7389 sizeof(struct MR_SNAPDUMP_PROPERTIES),
7390 instance->snapdump_prop,
7391 instance->snapdump_prop_h);
7392
7393 if (instance->host_device_list_buf)
7394 dma_free_coherent(&pdev->dev,
7395 HOST_DEVICE_LIST_SZ,
7396 instance->host_device_list_buf,
7397 instance->host_device_list_buf_h);
7398
7399}
7400
7401
7402
7403
7404
7405
7406
7407static inline void megasas_init_ctrl_params(struct megasas_instance *instance)
7408{
7409 instance->fw_crash_state = UNAVAILABLE;
7410
7411 megasas_poll_wait_aen = 0;
7412 instance->issuepend_done = 1;
7413 atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
7414
7415
7416
7417
7418 INIT_LIST_HEAD(&instance->cmd_pool);
7419 INIT_LIST_HEAD(&instance->internal_reset_pending_q);
7420
7421 atomic_set(&instance->fw_outstanding, 0);
7422 atomic64_set(&instance->total_io_count, 0);
7423
7424 init_waitqueue_head(&instance->int_cmd_wait_q);
7425 init_waitqueue_head(&instance->abort_cmd_wait_q);
7426
7427 spin_lock_init(&instance->crashdump_lock);
7428 spin_lock_init(&instance->mfi_pool_lock);
7429 spin_lock_init(&instance->hba_lock);
7430 spin_lock_init(&instance->stream_lock);
7431 spin_lock_init(&instance->completion_lock);
7432
7433 mutex_init(&instance->reset_mutex);
7434
7435 if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
7436 (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY))
7437 instance->flag_ieee = 1;
7438
7439 megasas_dbg_lvl = 0;
7440 instance->flag = 0;
7441 instance->unload = 1;
7442 instance->last_time = 0;
7443 instance->disableOnlineCtrlReset = 1;
7444 instance->UnevenSpanSupport = 0;
7445 instance->smp_affinity_enable = smp_affinity_enable ? true : false;
7446 instance->msix_load_balance = false;
7447
7448 if (instance->adapter_type != MFI_SERIES)
7449 INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq);
7450 else
7451 INIT_WORK(&instance->work_init, process_fw_state_change_wq);
7452}
7453
7454
7455
7456
7457
7458
7459static int megasas_probe_one(struct pci_dev *pdev,
7460 const struct pci_device_id *id)
7461{
7462 int rval, pos;
7463 struct Scsi_Host *host;
7464 struct megasas_instance *instance;
7465 u16 control = 0;
7466
7467 switch (pdev->device) {
7468 case PCI_DEVICE_ID_LSI_AERO_10E0:
7469 case PCI_DEVICE_ID_LSI_AERO_10E3:
7470 case PCI_DEVICE_ID_LSI_AERO_10E4:
7471 case PCI_DEVICE_ID_LSI_AERO_10E7:
7472 dev_err(&pdev->dev, "Adapter is in non secure mode\n");
7473 return 1;
7474 case PCI_DEVICE_ID_LSI_AERO_10E1:
7475 case PCI_DEVICE_ID_LSI_AERO_10E5:
7476 dev_info(&pdev->dev, "Adapter is in configurable secure mode\n");
7477 break;
7478 }
7479
7480
7481 if (reset_devices) {
7482 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
7483 if (pos) {
7484 pci_read_config_word(pdev, pos + PCI_MSIX_FLAGS,
7485 &control);
7486 if (control & PCI_MSIX_FLAGS_ENABLE) {
7487 dev_info(&pdev->dev, "resetting MSI-X\n");
7488 pci_write_config_word(pdev,
7489 pos + PCI_MSIX_FLAGS,
7490 control &
7491 ~PCI_MSIX_FLAGS_ENABLE);
7492 }
7493 }
7494 }
7495
7496
7497
7498
7499 rval = pci_enable_device_mem(pdev);
7500
7501 if (rval) {
7502 return rval;
7503 }
7504
7505 pci_set_master(pdev);
7506
7507 host = scsi_host_alloc(&megasas_template,
7508 sizeof(struct megasas_instance));
7509
7510 if (!host) {
7511 dev_printk(KERN_DEBUG, &pdev->dev, "scsi_host_alloc failed\n");
7512 goto fail_alloc_instance;
7513 }
7514
7515 instance = (struct megasas_instance *)host->hostdata;
7516 memset(instance, 0, sizeof(*instance));
7517 atomic_set(&instance->fw_reset_no_pci_access, 0);
7518
7519
7520
7521
7522 instance->pdev = pdev;
7523 instance->host = host;
7524 instance->unique_id = pdev->bus->number << 8 | pdev->devfn;
7525 instance->init_id = MEGASAS_DEFAULT_INIT_ID;
7526
7527 megasas_set_adapter_type(instance);
7528
7529
7530
7531
7532 if (megasas_init_fw(instance))
7533 goto fail_init_mfi;
7534
7535 if (instance->requestorId) {
7536 if (instance->PlasmaFW111) {
7537 instance->vf_affiliation_111 =
7538 dma_alloc_coherent(&pdev->dev,
7539 sizeof(struct MR_LD_VF_AFFILIATION_111),
7540 &instance->vf_affiliation_111_h,
7541 GFP_KERNEL);
7542 if (!instance->vf_affiliation_111)
7543 dev_warn(&pdev->dev, "Can't allocate "
7544 "memory for VF affiliation buffer\n");
7545 } else {
7546 instance->vf_affiliation =
7547 dma_alloc_coherent(&pdev->dev,
7548 (MAX_LOGICAL_DRIVES + 1) *
7549 sizeof(struct MR_LD_VF_AFFILIATION),
7550 &instance->vf_affiliation_h,
7551 GFP_KERNEL);
7552 if (!instance->vf_affiliation)
7553 dev_warn(&pdev->dev, "Can't allocate "
7554 "memory for VF affiliation buffer\n");
7555 }
7556 }
7557
7558
7559
7560
7561 pci_set_drvdata(pdev, instance);
7562
7563
7564
7565
7566
7567 megasas_mgmt_info.count++;
7568 megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = instance;
7569 megasas_mgmt_info.max_index++;
7570
7571
7572
7573
7574 if (megasas_io_attach(instance))
7575 goto fail_io_attach;
7576
7577 instance->unload = 0;
7578
7579
7580
7581 if (!instance->enable_fw_dev_list ||
7582 (instance->host_device_list_buf->count > 0))
7583 scsi_scan_host(host);
7584
7585
7586
7587
7588 if (megasas_start_aen(instance)) {
7589 dev_printk(KERN_DEBUG, &pdev->dev, "start aen failed\n");
7590 goto fail_start_aen;
7591 }
7592
7593 megasas_setup_debugfs(instance);
7594
7595
7596 if (instance->requestorId)
7597 megasas_get_ld_vf_affiliation(instance, 1);
7598
7599 return 0;
7600
7601fail_start_aen:
7602 instance->unload = 1;
7603 scsi_remove_host(instance->host);
7604fail_io_attach:
7605 megasas_mgmt_info.count--;
7606 megasas_mgmt_info.max_index--;
7607 megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
7608
7609 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
7610 del_timer_sync(&instance->sriov_heartbeat_timer);
7611
7612 instance->instancet->disable_intr(instance);
7613 megasas_destroy_irqs(instance);
7614
7615 if (instance->adapter_type != MFI_SERIES)
7616 megasas_release_fusion(instance);
7617 else
7618 megasas_release_mfi(instance);
7619
7620 if (instance->msix_vectors)
7621 pci_free_irq_vectors(instance->pdev);
7622 instance->msix_vectors = 0;
7623
7624 if (instance->fw_crash_state != UNAVAILABLE)
7625 megasas_free_host_crash_buffer(instance);
7626
7627 if (instance->adapter_type != MFI_SERIES)
7628 megasas_fusion_stop_watchdog(instance);
7629fail_init_mfi:
7630 scsi_host_put(host);
7631fail_alloc_instance:
7632 pci_disable_device(pdev);
7633
7634 return -ENODEV;
7635}
7636
7637
7638
7639
7640
7641static void megasas_flush_cache(struct megasas_instance *instance)
7642{
7643 struct megasas_cmd *cmd;
7644 struct megasas_dcmd_frame *dcmd;
7645
7646 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
7647 return;
7648
7649 cmd = megasas_get_cmd(instance);
7650
7651 if (!cmd)
7652 return;
7653
7654 dcmd = &cmd->frame->dcmd;
7655
7656 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
7657
7658 dcmd->cmd = MFI_CMD_DCMD;
7659 dcmd->cmd_status = 0x0;
7660 dcmd->sge_count = 0;
7661 dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE);
7662 dcmd->timeout = 0;
7663 dcmd->pad_0 = 0;
7664 dcmd->data_xfer_len = 0;
7665 dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_CACHE_FLUSH);
7666 dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
7667
7668 if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS)
7669 != DCMD_SUCCESS) {
7670 dev_err(&instance->pdev->dev,
7671 "return from %s %d\n", __func__, __LINE__);
7672 return;
7673 }
7674
7675 megasas_return_cmd(instance, cmd);
7676}
7677
7678
7679
7680
7681
7682
7683static void megasas_shutdown_controller(struct megasas_instance *instance,
7684 u32 opcode)
7685{
7686 struct megasas_cmd *cmd;
7687 struct megasas_dcmd_frame *dcmd;
7688
7689 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
7690 return;
7691
7692 cmd = megasas_get_cmd(instance);
7693
7694 if (!cmd)
7695 return;
7696
7697 if (instance->aen_cmd)
7698 megasas_issue_blocked_abort_cmd(instance,
7699 instance->aen_cmd, MFI_IO_TIMEOUT_SECS);
7700 if (instance->map_update_cmd)
7701 megasas_issue_blocked_abort_cmd(instance,
7702 instance->map_update_cmd, MFI_IO_TIMEOUT_SECS);
7703 if (instance->jbod_seq_cmd)
7704 megasas_issue_blocked_abort_cmd(instance,
7705 instance->jbod_seq_cmd, MFI_IO_TIMEOUT_SECS);
7706
7707 dcmd = &cmd->frame->dcmd;
7708
7709 memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
7710
7711 dcmd->cmd = MFI_CMD_DCMD;
7712 dcmd->cmd_status = 0x0;
7713 dcmd->sge_count = 0;
7714 dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE);
7715 dcmd->timeout = 0;
7716 dcmd->pad_0 = 0;
7717 dcmd->data_xfer_len = 0;
7718 dcmd->opcode = cpu_to_le32(opcode);
7719
7720 if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS)
7721 != DCMD_SUCCESS) {
7722 dev_err(&instance->pdev->dev,
7723 "return from %s %d\n", __func__, __LINE__);
7724 return;
7725 }
7726
7727 megasas_return_cmd(instance, cmd);
7728}
7729
7730
7731
7732
7733
7734static int __maybe_unused
7735megasas_suspend(struct device *dev)
7736{
7737 struct megasas_instance *instance;
7738
7739 instance = dev_get_drvdata(dev);
7740
7741 if (!instance)
7742 return 0;
7743
7744 instance->unload = 1;
7745
7746 dev_info(dev, "%s is called\n", __func__);
7747
7748
7749 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
7750 del_timer_sync(&instance->sriov_heartbeat_timer);
7751
7752
7753 if (instance->adapter_type != MFI_SERIES)
7754 megasas_fusion_stop_watchdog(instance);
7755
7756 megasas_flush_cache(instance);
7757 megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN);
7758
7759
7760 if (instance->ev != NULL) {
7761 struct megasas_aen_event *ev = instance->ev;
7762 cancel_delayed_work_sync(&ev->hotplug_work);
7763 instance->ev = NULL;
7764 }
7765
7766 tasklet_kill(&instance->isr_tasklet);
7767
7768 pci_set_drvdata(instance->pdev, instance);
7769 instance->instancet->disable_intr(instance);
7770
7771 megasas_destroy_irqs(instance);
7772
7773 if (instance->msix_vectors)
7774 pci_free_irq_vectors(instance->pdev);
7775
7776 return 0;
7777}
7778
7779
7780
7781
7782
7783static int __maybe_unused
7784megasas_resume(struct device *dev)
7785{
7786 int rval;
7787 struct Scsi_Host *host;
7788 struct megasas_instance *instance;
7789 u32 status_reg;
7790
7791 instance = dev_get_drvdata(dev);
7792
7793 if (!instance)
7794 return 0;
7795
7796 host = instance->host;
7797
7798 dev_info(dev, "%s is called\n", __func__);
7799
7800
7801
7802
7803
7804 if (megasas_transition_to_ready(instance, 0)) {
7805 dev_info(&instance->pdev->dev,
7806 "Failed to transition controller to ready from %s!\n",
7807 __func__);
7808 if (instance->adapter_type != MFI_SERIES) {
7809 status_reg =
7810 instance->instancet->read_fw_status_reg(instance);
7811 if (!(status_reg & MFI_RESET_ADAPTER) ||
7812 ((megasas_adp_reset_wait_for_ready
7813 (instance, true, 0)) == FAILED))
7814 goto fail_ready_state;
7815 } else {
7816 atomic_set(&instance->fw_reset_no_pci_access, 1);
7817 instance->instancet->adp_reset
7818 (instance, instance->reg_set);
7819 atomic_set(&instance->fw_reset_no_pci_access, 0);
7820
7821
7822 ssleep(30);
7823
7824 if (megasas_transition_to_ready(instance, 0))
7825 goto fail_ready_state;
7826 }
7827
7828 dev_info(&instance->pdev->dev,
7829 "FW restarted successfully from %s!\n",
7830 __func__);
7831 }
7832 if (megasas_set_dma_mask(instance))
7833 goto fail_set_dma_mask;
7834
7835
7836
7837
7838
7839 atomic_set(&instance->fw_outstanding, 0);
7840 atomic_set(&instance->ldio_outstanding, 0);
7841
7842
7843 if (instance->msix_vectors)
7844 megasas_alloc_irq_vectors(instance);
7845
7846 if (!instance->msix_vectors) {
7847 rval = pci_alloc_irq_vectors(instance->pdev, 1, 1,
7848 PCI_IRQ_LEGACY);
7849 if (rval < 0)
7850 goto fail_reenable_msix;
7851 }
7852
7853 megasas_setup_reply_map(instance);
7854
7855 if (instance->adapter_type != MFI_SERIES) {
7856 megasas_reset_reply_desc(instance);
7857 if (megasas_ioc_init_fusion(instance)) {
7858 megasas_free_cmds(instance);
7859 megasas_free_cmds_fusion(instance);
7860 goto fail_init_mfi;
7861 }
7862 if (!megasas_get_map_info(instance))
7863 megasas_sync_map_info(instance);
7864 } else {
7865 *instance->producer = 0;
7866 *instance->consumer = 0;
7867 if (megasas_issue_init_mfi(instance))
7868 goto fail_init_mfi;
7869 }
7870
7871 if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS)
7872 goto fail_init_mfi;
7873
7874 tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
7875 (unsigned long)instance);
7876
7877 if (instance->msix_vectors ?
7878 megasas_setup_irqs_msix(instance, 0) :
7879 megasas_setup_irqs_ioapic(instance))
7880 goto fail_init_mfi;
7881
7882 if (instance->adapter_type != MFI_SERIES)
7883 megasas_setup_irq_poll(instance);
7884
7885
7886 if (instance->requestorId) {
7887 if (!megasas_sriov_start_heartbeat(instance, 0))
7888 megasas_start_timer(instance);
7889 else {
7890 instance->skip_heartbeat_timer_del = 1;
7891 goto fail_init_mfi;
7892 }
7893 }
7894
7895 instance->instancet->enable_intr(instance);
7896 megasas_setup_jbod_map(instance);
7897 instance->unload = 0;
7898
7899
7900
7901
7902 if (megasas_start_aen(instance))
7903 dev_err(&instance->pdev->dev, "Start AEN failed\n");
7904
7905
7906 if (instance->adapter_type != MFI_SERIES)
7907 if (megasas_fusion_start_watchdog(instance) != SUCCESS)
7908 goto fail_start_watchdog;
7909
7910 return 0;
7911
7912fail_start_watchdog:
7913 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
7914 del_timer_sync(&instance->sriov_heartbeat_timer);
7915fail_init_mfi:
7916 megasas_free_ctrl_dma_buffers(instance);
7917 megasas_free_ctrl_mem(instance);
7918 scsi_host_put(host);
7919
7920fail_reenable_msix:
7921fail_set_dma_mask:
7922fail_ready_state:
7923
7924 return -ENODEV;
7925}
7926
7927static inline int
7928megasas_wait_for_adapter_operational(struct megasas_instance *instance)
7929{
7930 int wait_time = MEGASAS_RESET_WAIT_TIME * 2;
7931 int i;
7932 u8 adp_state;
7933
7934 for (i = 0; i < wait_time; i++) {
7935 adp_state = atomic_read(&instance->adprecovery);
7936 if ((adp_state == MEGASAS_HBA_OPERATIONAL) ||
7937 (adp_state == MEGASAS_HW_CRITICAL_ERROR))
7938 break;
7939
7940 if (!(i % MEGASAS_RESET_NOTICE_INTERVAL))
7941 dev_notice(&instance->pdev->dev, "waiting for controller reset to finish\n");
7942
7943 msleep(1000);
7944 }
7945
7946 if (adp_state != MEGASAS_HBA_OPERATIONAL) {
7947 dev_info(&instance->pdev->dev,
7948 "%s HBA failed to become operational, adp_state %d\n",
7949 __func__, adp_state);
7950 return 1;
7951 }
7952
7953 return 0;
7954}
7955
7956
7957
7958
7959
7960static void megasas_detach_one(struct pci_dev *pdev)
7961{
7962 int i;
7963 struct Scsi_Host *host;
7964 struct megasas_instance *instance;
7965 struct fusion_context *fusion;
7966 u32 pd_seq_map_sz;
7967
7968 instance = pci_get_drvdata(pdev);
7969
7970 if (!instance)
7971 return;
7972
7973 host = instance->host;
7974 fusion = instance->ctrl_context;
7975
7976
7977 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
7978 del_timer_sync(&instance->sriov_heartbeat_timer);
7979
7980
7981 if (instance->adapter_type != MFI_SERIES)
7982 megasas_fusion_stop_watchdog(instance);
7983
7984 if (instance->fw_crash_state != UNAVAILABLE)
7985 megasas_free_host_crash_buffer(instance);
7986 scsi_remove_host(instance->host);
7987 instance->unload = 1;
7988
7989 if (megasas_wait_for_adapter_operational(instance))
7990 goto skip_firing_dcmds;
7991
7992 megasas_flush_cache(instance);
7993 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
7994
7995skip_firing_dcmds:
7996
7997 if (instance->ev != NULL) {
7998 struct megasas_aen_event *ev = instance->ev;
7999 cancel_delayed_work_sync(&ev->hotplug_work);
8000 instance->ev = NULL;
8001 }
8002
8003
8004 wake_up_all(&instance->int_cmd_wait_q);
8005
8006 tasklet_kill(&instance->isr_tasklet);
8007
8008
8009
8010
8011
8012 for (i = 0; i < megasas_mgmt_info.max_index; i++) {
8013 if (megasas_mgmt_info.instance[i] == instance) {
8014 megasas_mgmt_info.count--;
8015 megasas_mgmt_info.instance[i] = NULL;
8016
8017 break;
8018 }
8019 }
8020
8021 instance->instancet->disable_intr(instance);
8022
8023 megasas_destroy_irqs(instance);
8024
8025 if (instance->msix_vectors)
8026 pci_free_irq_vectors(instance->pdev);
8027
8028 if (instance->adapter_type >= VENTURA_SERIES) {
8029 for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i)
8030 kfree(fusion->stream_detect_by_ld[i]);
8031 kfree(fusion->stream_detect_by_ld);
8032 fusion->stream_detect_by_ld = NULL;
8033 }
8034
8035
8036 if (instance->adapter_type != MFI_SERIES) {
8037 megasas_release_fusion(instance);
8038 pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
8039 (sizeof(struct MR_PD_CFG_SEQ) *
8040 (MAX_PHYSICAL_DEVICES - 1));
8041 for (i = 0; i < 2 ; i++) {
8042 if (fusion->ld_map[i])
8043 dma_free_coherent(&instance->pdev->dev,
8044 fusion->max_map_sz,
8045 fusion->ld_map[i],
8046 fusion->ld_map_phys[i]);
8047 if (fusion->ld_drv_map[i]) {
8048 if (is_vmalloc_addr(fusion->ld_drv_map[i]))
8049 vfree(fusion->ld_drv_map[i]);
8050 else
8051 free_pages((ulong)fusion->ld_drv_map[i],
8052 fusion->drv_map_pages);
8053 }
8054
8055 if (fusion->pd_seq_sync[i])
8056 dma_free_coherent(&instance->pdev->dev,
8057 pd_seq_map_sz,
8058 fusion->pd_seq_sync[i],
8059 fusion->pd_seq_phys[i]);
8060 }
8061 } else {
8062 megasas_release_mfi(instance);
8063 }
8064
8065 if (instance->vf_affiliation)
8066 dma_free_coherent(&pdev->dev, (MAX_LOGICAL_DRIVES + 1) *
8067 sizeof(struct MR_LD_VF_AFFILIATION),
8068 instance->vf_affiliation,
8069 instance->vf_affiliation_h);
8070
8071 if (instance->vf_affiliation_111)
8072 dma_free_coherent(&pdev->dev,
8073 sizeof(struct MR_LD_VF_AFFILIATION_111),
8074 instance->vf_affiliation_111,
8075 instance->vf_affiliation_111_h);
8076
8077 if (instance->hb_host_mem)
8078 dma_free_coherent(&pdev->dev, sizeof(struct MR_CTRL_HB_HOST_MEM),
8079 instance->hb_host_mem,
8080 instance->hb_host_mem_h);
8081
8082 megasas_free_ctrl_dma_buffers(instance);
8083
8084 megasas_free_ctrl_mem(instance);
8085
8086 megasas_destroy_debugfs(instance);
8087
8088 scsi_host_put(host);
8089
8090 pci_disable_device(pdev);
8091}
8092
8093
8094
8095
8096
8097static void megasas_shutdown(struct pci_dev *pdev)
8098{
8099 struct megasas_instance *instance = pci_get_drvdata(pdev);
8100
8101 if (!instance)
8102 return;
8103
8104 instance->unload = 1;
8105
8106 if (megasas_wait_for_adapter_operational(instance))
8107 goto skip_firing_dcmds;
8108
8109 megasas_flush_cache(instance);
8110 megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
8111
8112skip_firing_dcmds:
8113 instance->instancet->disable_intr(instance);
8114 megasas_destroy_irqs(instance);
8115
8116 if (instance->msix_vectors)
8117 pci_free_irq_vectors(instance->pdev);
8118}
8119
8120
8121
8122
8123
8124
8125static int megasas_mgmt_open(struct inode *inode, struct file *filep)
8126{
8127
8128
8129
8130 if (!capable(CAP_SYS_ADMIN))
8131 return -EACCES;
8132
8133 return 0;
8134}
8135
8136
8137
8138
8139
8140
8141
8142
8143
8144
8145static int megasas_mgmt_fasync(int fd, struct file *filep, int mode)
8146{
8147 int rc;
8148
8149 mutex_lock(&megasas_async_queue_mutex);
8150
8151 rc = fasync_helper(fd, filep, mode, &megasas_async_queue);
8152
8153 mutex_unlock(&megasas_async_queue_mutex);
8154
8155 if (rc >= 0) {
8156
8157 filep->private_data = filep;
8158 return 0;
8159 }
8160
8161 printk(KERN_DEBUG "megasas: fasync_helper failed [%d]\n", rc);
8162
8163 return rc;
8164}
8165
8166
8167
8168
8169
8170
8171static __poll_t megasas_mgmt_poll(struct file *file, poll_table *wait)
8172{
8173 __poll_t mask;
8174 unsigned long flags;
8175
8176 poll_wait(file, &megasas_poll_wait, wait);
8177 spin_lock_irqsave(&poll_aen_lock, flags);
8178 if (megasas_poll_wait_aen)
8179 mask = (EPOLLIN | EPOLLRDNORM);
8180 else
8181 mask = 0;
8182 megasas_poll_wait_aen = 0;
8183 spin_unlock_irqrestore(&poll_aen_lock, flags);
8184 return mask;
8185}
8186
8187
8188
8189
8190
8191
8192
8193static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd)
8194{
8195 struct megasas_instance *local_instance;
8196 int i, error = 0;
8197 int crash_support;
8198
8199 crash_support = cmd->frame->dcmd.mbox.w[0];
8200
8201 for (i = 0; i < megasas_mgmt_info.max_index; i++) {
8202 local_instance = megasas_mgmt_info.instance[i];
8203 if (local_instance && local_instance->crash_dump_drv_support) {
8204 if ((atomic_read(&local_instance->adprecovery) ==
8205 MEGASAS_HBA_OPERATIONAL) &&
8206 !megasas_set_crash_dump_params(local_instance,
8207 crash_support)) {
8208 local_instance->crash_dump_app_support =
8209 crash_support;
8210 dev_info(&local_instance->pdev->dev,
8211 "Application firmware crash "
8212 "dump mode set success\n");
8213 error = 0;
8214 } else {
8215 dev_info(&local_instance->pdev->dev,
8216 "Application firmware crash "
8217 "dump mode set failed\n");
8218 error = -1;
8219 }
8220 }
8221 }
8222 return error;
8223}
8224
8225
8226
8227
8228
8229
8230
8231static int
8232megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
8233 struct megasas_iocpacket __user * user_ioc,
8234 struct megasas_iocpacket *ioc)
8235{
8236 struct megasas_sge64 *kern_sge64 = NULL;
8237 struct megasas_sge32 *kern_sge32 = NULL;
8238 struct megasas_cmd *cmd;
8239 void *kbuff_arr[MAX_IOCTL_SGE];
8240 dma_addr_t buf_handle = 0;
8241 int error = 0, i;
8242 void *sense = NULL;
8243 dma_addr_t sense_handle;
8244 void *sense_ptr;
8245 u32 opcode = 0;
8246 int ret = DCMD_SUCCESS;
8247
8248 memset(kbuff_arr, 0, sizeof(kbuff_arr));
8249
8250 if (ioc->sge_count > MAX_IOCTL_SGE) {
8251 dev_printk(KERN_DEBUG, &instance->pdev->dev, "SGE count [%d] > max limit [%d]\n",
8252 ioc->sge_count, MAX_IOCTL_SGE);
8253 return -EINVAL;
8254 }
8255
8256 if ((ioc->frame.hdr.cmd >= MFI_CMD_OP_COUNT) ||
8257 ((ioc->frame.hdr.cmd == MFI_CMD_NVME) &&
8258 !instance->support_nvme_passthru) ||
8259 ((ioc->frame.hdr.cmd == MFI_CMD_TOOLBOX) &&
8260 !instance->support_pci_lane_margining)) {
8261 dev_err(&instance->pdev->dev,
8262 "Received invalid ioctl command 0x%x\n",
8263 ioc->frame.hdr.cmd);
8264 return -ENOTSUPP;
8265 }
8266
8267 cmd = megasas_get_cmd(instance);
8268 if (!cmd) {
8269 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a cmd packet\n");
8270 return -ENOMEM;
8271 }
8272
8273
8274
8275
8276
8277
8278
8279 memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
8280 cmd->frame->hdr.context = cpu_to_le32(cmd->index);
8281 cmd->frame->hdr.pad_0 = 0;
8282
8283 cmd->frame->hdr.flags &= (~MFI_FRAME_IEEE);
8284
8285 if (instance->consistent_mask_64bit)
8286 cmd->frame->hdr.flags |= cpu_to_le16((MFI_FRAME_SGL64 |
8287 MFI_FRAME_SENSE64));
8288 else
8289 cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_SGL64 |
8290 MFI_FRAME_SENSE64));
8291
8292 if (cmd->frame->hdr.cmd == MFI_CMD_DCMD)
8293 opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
8294
8295 if (opcode == MR_DCMD_CTRL_SHUTDOWN) {
8296 mutex_lock(&instance->reset_mutex);
8297 if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) {
8298 megasas_return_cmd(instance, cmd);
8299 mutex_unlock(&instance->reset_mutex);
8300 return -1;
8301 }
8302 mutex_unlock(&instance->reset_mutex);
8303 }
8304
8305 if (opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
8306 error = megasas_set_crash_dump_params_ioctl(cmd);
8307 megasas_return_cmd(instance, cmd);
8308 return error;
8309 }
8310
8311
8312
8313
8314
8315
8316
8317
8318
8319 if (instance->consistent_mask_64bit)
8320 kern_sge64 = (struct megasas_sge64 *)
8321 ((unsigned long)cmd->frame + ioc->sgl_off);
8322 else
8323 kern_sge32 = (struct megasas_sge32 *)
8324 ((unsigned long)cmd->frame + ioc->sgl_off);
8325
8326
8327
8328
8329 for (i = 0; i < ioc->sge_count; i++) {
8330 if (!ioc->sgl[i].iov_len)
8331 continue;
8332
8333 kbuff_arr[i] = dma_alloc_coherent(&instance->pdev->dev,
8334 ioc->sgl[i].iov_len,
8335 &buf_handle, GFP_KERNEL);
8336 if (!kbuff_arr[i]) {
8337 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc "
8338 "kernel SGL buffer for IOCTL\n");
8339 error = -ENOMEM;
8340 goto out;
8341 }
8342
8343
8344
8345
8346
8347 if (instance->consistent_mask_64bit) {
8348 kern_sge64[i].phys_addr = cpu_to_le64(buf_handle);
8349 kern_sge64[i].length = cpu_to_le32(ioc->sgl[i].iov_len);
8350 } else {
8351 kern_sge32[i].phys_addr = cpu_to_le32(buf_handle);
8352 kern_sge32[i].length = cpu_to_le32(ioc->sgl[i].iov_len);
8353 }
8354
8355
8356
8357
8358
8359 if (copy_from_user(kbuff_arr[i], ioc->sgl[i].iov_base,
8360 (u32) (ioc->sgl[i].iov_len))) {
8361 error = -EFAULT;
8362 goto out;
8363 }
8364 }
8365
8366 if (ioc->sense_len) {
8367
8368 if (ioc->sense_off >
8369 (sizeof(union megasas_frame) - sizeof(__le64))) {
8370 error = -EINVAL;
8371 goto out;
8372 }
8373
8374 sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len,
8375 &sense_handle, GFP_KERNEL);
8376 if (!sense) {
8377 error = -ENOMEM;
8378 goto out;
8379 }
8380
8381
8382 sense_ptr = (void *)cmd->frame + ioc->sense_off;
8383 put_unaligned_le64(sense_handle, sense_ptr);
8384 }
8385
8386
8387
8388
8389
8390 cmd->sync_cmd = 1;
8391
8392 ret = megasas_issue_blocked_cmd(instance, cmd, 0);
8393 switch (ret) {
8394 case DCMD_INIT:
8395 case DCMD_BUSY:
8396 cmd->sync_cmd = 0;
8397 dev_err(&instance->pdev->dev,
8398 "return -EBUSY from %s %d cmd 0x%x opcode 0x%x cmd->cmd_status_drv 0x%x\n",
8399 __func__, __LINE__, cmd->frame->hdr.cmd, opcode,
8400 cmd->cmd_status_drv);
8401 error = -EBUSY;
8402 goto out;
8403 }
8404
8405 cmd->sync_cmd = 0;
8406
8407 if (instance->unload == 1) {
8408 dev_info(&instance->pdev->dev, "Driver unload is in progress "
8409 "don't submit data to application\n");
8410 goto out;
8411 }
8412
8413
8414
8415 for (i = 0; i < ioc->sge_count; i++) {
8416 if (copy_to_user(ioc->sgl[i].iov_base, kbuff_arr[i],
8417 ioc->sgl[i].iov_len)) {
8418 error = -EFAULT;
8419 goto out;
8420 }
8421 }
8422
8423
8424
8425
8426 if (ioc->sense_len) {
8427 void __user *uptr;
8428
8429
8430
8431
8432 sense_ptr = (void *)ioc->frame.raw + ioc->sense_off;
8433 if (in_compat_syscall())
8434 uptr = compat_ptr(get_unaligned((compat_uptr_t *)
8435 sense_ptr));
8436 else
8437 uptr = get_unaligned((void __user **)sense_ptr);
8438
8439 if (copy_to_user(uptr, sense, ioc->sense_len)) {
8440 dev_err(&instance->pdev->dev, "Failed to copy out to user "
8441 "sense data\n");
8442 error = -EFAULT;
8443 goto out;
8444 }
8445 }
8446
8447
8448
8449
8450 if (copy_to_user(&user_ioc->frame.hdr.cmd_status,
8451 &cmd->frame->hdr.cmd_status, sizeof(u8))) {
8452 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error copying out cmd_status\n");
8453 error = -EFAULT;
8454 }
8455
8456out:
8457 if (sense) {
8458 dma_free_coherent(&instance->pdev->dev, ioc->sense_len,
8459 sense, sense_handle);
8460 }
8461
8462 for (i = 0; i < ioc->sge_count; i++) {
8463 if (kbuff_arr[i]) {
8464 if (instance->consistent_mask_64bit)
8465 dma_free_coherent(&instance->pdev->dev,
8466 le32_to_cpu(kern_sge64[i].length),
8467 kbuff_arr[i],
8468 le64_to_cpu(kern_sge64[i].phys_addr));
8469 else
8470 dma_free_coherent(&instance->pdev->dev,
8471 le32_to_cpu(kern_sge32[i].length),
8472 kbuff_arr[i],
8473 le32_to_cpu(kern_sge32[i].phys_addr));
8474 kbuff_arr[i] = NULL;
8475 }
8476 }
8477
8478 megasas_return_cmd(instance, cmd);
8479 return error;
8480}
8481
8482static struct megasas_iocpacket *
8483megasas_compat_iocpacket_get_user(void __user *arg)
8484{
8485 struct megasas_iocpacket *ioc;
8486 struct compat_megasas_iocpacket __user *cioc = arg;
8487 size_t size;
8488 int err = -EFAULT;
8489 int i;
8490
8491 ioc = kzalloc(sizeof(*ioc), GFP_KERNEL);
8492 if (!ioc)
8493 return ERR_PTR(-ENOMEM);
8494 size = offsetof(struct megasas_iocpacket, frame) + sizeof(ioc->frame);
8495 if (copy_from_user(ioc, arg, size))
8496 goto out;
8497
8498 for (i = 0; i < MAX_IOCTL_SGE; i++) {
8499 compat_uptr_t iov_base;
8500
8501 if (get_user(iov_base, &cioc->sgl[i].iov_base) ||
8502 get_user(ioc->sgl[i].iov_len, &cioc->sgl[i].iov_len))
8503 goto out;
8504
8505 ioc->sgl[i].iov_base = compat_ptr(iov_base);
8506 }
8507
8508 return ioc;
8509out:
8510 kfree(ioc);
8511 return ERR_PTR(err);
8512}
8513
8514static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
8515{
8516 struct megasas_iocpacket __user *user_ioc =
8517 (struct megasas_iocpacket __user *)arg;
8518 struct megasas_iocpacket *ioc;
8519 struct megasas_instance *instance;
8520 int error;
8521
8522 if (in_compat_syscall())
8523 ioc = megasas_compat_iocpacket_get_user(user_ioc);
8524 else
8525 ioc = memdup_user(user_ioc, sizeof(struct megasas_iocpacket));
8526
8527 if (IS_ERR(ioc))
8528 return PTR_ERR(ioc);
8529
8530 instance = megasas_lookup_instance(ioc->host_no);
8531 if (!instance) {
8532 error = -ENODEV;
8533 goto out_kfree_ioc;
8534 }
8535
8536
8537 if (instance->requestorId && !allow_vf_ioctls) {
8538 error = -ENODEV;
8539 goto out_kfree_ioc;
8540 }
8541
8542 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
8543 dev_err(&instance->pdev->dev, "Controller in crit error\n");
8544 error = -ENODEV;
8545 goto out_kfree_ioc;
8546 }
8547
8548 if (instance->unload == 1) {
8549 error = -ENODEV;
8550 goto out_kfree_ioc;
8551 }
8552
8553 if (down_interruptible(&instance->ioctl_sem)) {
8554 error = -ERESTARTSYS;
8555 goto out_kfree_ioc;
8556 }
8557
8558 if (megasas_wait_for_adapter_operational(instance)) {
8559 error = -ENODEV;
8560 goto out_up;
8561 }
8562
8563 error = megasas_mgmt_fw_ioctl(instance, user_ioc, ioc);
8564out_up:
8565 up(&instance->ioctl_sem);
8566
8567out_kfree_ioc:
8568 kfree(ioc);
8569 return error;
8570}
8571
8572static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg)
8573{
8574 struct megasas_instance *instance;
8575 struct megasas_aen aen;
8576 int error;
8577
8578 if (file->private_data != file) {
8579 printk(KERN_DEBUG "megasas: fasync_helper was not "
8580 "called first\n");
8581 return -EINVAL;
8582 }
8583
8584 if (copy_from_user(&aen, (void __user *)arg, sizeof(aen)))
8585 return -EFAULT;
8586
8587 instance = megasas_lookup_instance(aen.host_no);
8588
8589 if (!instance)
8590 return -ENODEV;
8591
8592 if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
8593 return -ENODEV;
8594 }
8595
8596 if (instance->unload == 1) {
8597 return -ENODEV;
8598 }
8599
8600 if (megasas_wait_for_adapter_operational(instance))
8601 return -ENODEV;
8602
8603 mutex_lock(&instance->reset_mutex);
8604 error = megasas_register_aen(instance, aen.seq_num,
8605 aen.class_locale_word);
8606 mutex_unlock(&instance->reset_mutex);
8607 return error;
8608}
8609
8610
8611
8612
8613
8614
8615
8616static long
8617megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
8618{
8619 switch (cmd) {
8620 case MEGASAS_IOC_FIRMWARE:
8621 return megasas_mgmt_ioctl_fw(file, arg);
8622
8623 case MEGASAS_IOC_GET_AEN:
8624 return megasas_mgmt_ioctl_aen(file, arg);
8625 }
8626
8627 return -ENOTTY;
8628}
8629
8630#ifdef CONFIG_COMPAT
8631static long
8632megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd,
8633 unsigned long arg)
8634{
8635 switch (cmd) {
8636 case MEGASAS_IOC_FIRMWARE32:
8637 return megasas_mgmt_ioctl_fw(file, arg);
8638 case MEGASAS_IOC_GET_AEN:
8639 return megasas_mgmt_ioctl_aen(file, arg);
8640 }
8641
8642 return -ENOTTY;
8643}
8644#endif
8645
8646
8647
8648
8649static const struct file_operations megasas_mgmt_fops = {
8650 .owner = THIS_MODULE,
8651 .open = megasas_mgmt_open,
8652 .fasync = megasas_mgmt_fasync,
8653 .unlocked_ioctl = megasas_mgmt_ioctl,
8654 .poll = megasas_mgmt_poll,
8655#ifdef CONFIG_COMPAT
8656 .compat_ioctl = megasas_mgmt_compat_ioctl,
8657#endif
8658 .llseek = noop_llseek,
8659};
8660
8661static SIMPLE_DEV_PM_OPS(megasas_pm_ops, megasas_suspend, megasas_resume);
8662
8663
8664
8665
8666static struct pci_driver megasas_pci_driver = {
8667
8668 .name = "megaraid_sas",
8669 .id_table = megasas_pci_table,
8670 .probe = megasas_probe_one,
8671 .remove = megasas_detach_one,
8672 .driver.pm = &megasas_pm_ops,
8673 .shutdown = megasas_shutdown,
8674};
8675
8676
8677
8678
8679static ssize_t version_show(struct device_driver *dd, char *buf)
8680{
8681 return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n",
8682 MEGASAS_VERSION);
8683}
8684static DRIVER_ATTR_RO(version);
8685
8686static ssize_t release_date_show(struct device_driver *dd, char *buf)
8687{
8688 return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n",
8689 MEGASAS_RELDATE);
8690}
8691static DRIVER_ATTR_RO(release_date);
8692
8693static ssize_t support_poll_for_event_show(struct device_driver *dd, char *buf)
8694{
8695 return sprintf(buf, "%u\n", support_poll_for_event);
8696}
8697static DRIVER_ATTR_RO(support_poll_for_event);
8698
8699static ssize_t support_device_change_show(struct device_driver *dd, char *buf)
8700{
8701 return sprintf(buf, "%u\n", support_device_change);
8702}
8703static DRIVER_ATTR_RO(support_device_change);
8704
8705static ssize_t dbg_lvl_show(struct device_driver *dd, char *buf)
8706{
8707 return sprintf(buf, "%u\n", megasas_dbg_lvl);
8708}
8709
8710static ssize_t dbg_lvl_store(struct device_driver *dd, const char *buf,
8711 size_t count)
8712{
8713 int retval = count;
8714
8715 if (sscanf(buf, "%u", &megasas_dbg_lvl) < 1) {
8716 printk(KERN_ERR "megasas: could not set dbg_lvl\n");
8717 retval = -EINVAL;
8718 }
8719 return retval;
8720}
8721static DRIVER_ATTR_RW(dbg_lvl);
8722
8723static ssize_t
8724support_nvme_encapsulation_show(struct device_driver *dd, char *buf)
8725{
8726 return sprintf(buf, "%u\n", support_nvme_encapsulation);
8727}
8728
8729static DRIVER_ATTR_RO(support_nvme_encapsulation);
8730
8731static ssize_t
8732support_pci_lane_margining_show(struct device_driver *dd, char *buf)
8733{
8734 return sprintf(buf, "%u\n", support_pci_lane_margining);
8735}
8736
8737static DRIVER_ATTR_RO(support_pci_lane_margining);
8738
8739static inline void megasas_remove_scsi_device(struct scsi_device *sdev)
8740{
8741 sdev_printk(KERN_INFO, sdev, "SCSI device is removed\n");
8742 scsi_remove_device(sdev);
8743 scsi_device_put(sdev);
8744}
8745
8746
8747
8748
8749
8750
8751
8752
8753
8754
8755
8756
8757
8758static
8759int megasas_update_device_list(struct megasas_instance *instance,
8760 int event_type)
8761{
8762 int dcmd_ret = DCMD_SUCCESS;
8763
8764 if (instance->enable_fw_dev_list) {
8765 dcmd_ret = megasas_host_device_list_query(instance, false);
8766 if (dcmd_ret != DCMD_SUCCESS)
8767 goto out;
8768 } else {
8769 if (event_type & SCAN_PD_CHANNEL) {
8770 dcmd_ret = megasas_get_pd_list(instance);
8771
8772 if (dcmd_ret != DCMD_SUCCESS)
8773 goto out;
8774 }
8775
8776 if (event_type & SCAN_VD_CHANNEL) {
8777 if (!instance->requestorId ||
8778 megasas_get_ld_vf_affiliation(instance, 0)) {
8779 dcmd_ret = megasas_ld_list_query(instance,
8780 MR_LD_QUERY_TYPE_EXPOSED_TO_HOST);
8781 if (dcmd_ret != DCMD_SUCCESS)
8782 goto out;
8783 }
8784 }
8785 }
8786
8787out:
8788 return dcmd_ret;
8789}
8790
8791
8792
8793
8794
8795
8796
8797
8798static
8799void megasas_add_remove_devices(struct megasas_instance *instance,
8800 int scan_type)
8801{
8802 int i, j;
8803 u16 pd_index = 0;
8804 u16 ld_index = 0;
8805 u16 channel = 0, id = 0;
8806 struct Scsi_Host *host;
8807 struct scsi_device *sdev1;
8808 struct MR_HOST_DEVICE_LIST *targetid_list = NULL;
8809 struct MR_HOST_DEVICE_LIST_ENTRY *targetid_entry = NULL;
8810
8811 host = instance->host;
8812
8813 if (instance->enable_fw_dev_list) {
8814 targetid_list = instance->host_device_list_buf;
8815 for (i = 0; i < targetid_list->count; i++) {
8816 targetid_entry = &targetid_list->host_device_list[i];
8817 if (targetid_entry->flags.u.bits.is_sys_pd) {
8818 channel = le16_to_cpu(targetid_entry->target_id) /
8819 MEGASAS_MAX_DEV_PER_CHANNEL;
8820 id = le16_to_cpu(targetid_entry->target_id) %
8821 MEGASAS_MAX_DEV_PER_CHANNEL;
8822 } else {
8823 channel = MEGASAS_MAX_PD_CHANNELS +
8824 (le16_to_cpu(targetid_entry->target_id) /
8825 MEGASAS_MAX_DEV_PER_CHANNEL);
8826 id = le16_to_cpu(targetid_entry->target_id) %
8827 MEGASAS_MAX_DEV_PER_CHANNEL;
8828 }
8829 sdev1 = scsi_device_lookup(host, channel, id, 0);
8830 if (!sdev1) {
8831 scsi_add_device(host, channel, id, 0);
8832 } else {
8833 scsi_device_put(sdev1);
8834 }
8835 }
8836 }
8837
8838 if (scan_type & SCAN_PD_CHANNEL) {
8839 for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
8840 for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
8841 pd_index = i * MEGASAS_MAX_DEV_PER_CHANNEL + j;
8842 sdev1 = scsi_device_lookup(host, i, j, 0);
8843 if (instance->pd_list[pd_index].driveState ==
8844 MR_PD_STATE_SYSTEM) {
8845 if (!sdev1)
8846 scsi_add_device(host, i, j, 0);
8847 else
8848 scsi_device_put(sdev1);
8849 } else {
8850 if (sdev1)
8851 megasas_remove_scsi_device(sdev1);
8852 }
8853 }
8854 }
8855 }
8856
8857 if (scan_type & SCAN_VD_CHANNEL) {
8858 for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
8859 for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
8860 ld_index = (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
8861 sdev1 = scsi_device_lookup(host,
8862 MEGASAS_MAX_PD_CHANNELS + i, j, 0);
8863 if (instance->ld_ids[ld_index] != 0xff) {
8864 if (!sdev1)
8865 scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0);
8866 else
8867 scsi_device_put(sdev1);
8868 } else {
8869 if (sdev1)
8870 megasas_remove_scsi_device(sdev1);
8871 }
8872 }
8873 }
8874 }
8875
8876}
8877
8878static void
8879megasas_aen_polling(struct work_struct *work)
8880{
8881 struct megasas_aen_event *ev =
8882 container_of(work, struct megasas_aen_event, hotplug_work.work);
8883 struct megasas_instance *instance = ev->instance;
8884 union megasas_evt_class_locale class_locale;
8885 int event_type = 0;
8886 u32 seq_num;
8887 u16 ld_target_id;
8888 int error;
8889 u8 dcmd_ret = DCMD_SUCCESS;
8890 struct scsi_device *sdev1;
8891
8892 if (!instance) {
8893 printk(KERN_ERR "invalid instance!\n");
8894 kfree(ev);
8895 return;
8896 }
8897
8898
8899 mutex_lock(&instance->reset_mutex);
8900
8901 instance->ev = NULL;
8902 if (instance->evt_detail) {
8903 megasas_decode_evt(instance);
8904
8905 switch (le32_to_cpu(instance->evt_detail->code)) {
8906
8907 case MR_EVT_PD_INSERTED:
8908 case MR_EVT_PD_REMOVED:
8909 event_type = SCAN_PD_CHANNEL;
8910 break;
8911
8912 case MR_EVT_LD_OFFLINE:
8913 case MR_EVT_LD_DELETED:
8914 ld_target_id = instance->evt_detail->args.ld.target_id;
8915 sdev1 = scsi_device_lookup(instance->host,
8916 MEGASAS_MAX_PD_CHANNELS +
8917 (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL),
8918 (ld_target_id - MEGASAS_MAX_DEV_PER_CHANNEL),
8919 0);
8920 if (sdev1)
8921 megasas_remove_scsi_device(sdev1);
8922
8923 event_type = SCAN_VD_CHANNEL;
8924 break;
8925 case MR_EVT_LD_CREATED:
8926 event_type = SCAN_VD_CHANNEL;
8927 break;
8928
8929 case MR_EVT_CFG_CLEARED:
8930 case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
8931 case MR_EVT_FOREIGN_CFG_IMPORTED:
8932 case MR_EVT_LD_STATE_CHANGE:
8933 event_type = SCAN_PD_CHANNEL | SCAN_VD_CHANNEL;
8934 dev_info(&instance->pdev->dev, "scanning for scsi%d...\n",
8935 instance->host->host_no);
8936 break;
8937
8938 case MR_EVT_CTRL_PROP_CHANGED:
8939 dcmd_ret = megasas_get_ctrl_info(instance);
8940 if (dcmd_ret == DCMD_SUCCESS &&
8941 instance->snapdump_wait_time) {
8942 megasas_get_snapdump_properties(instance);
8943 dev_info(&instance->pdev->dev,
8944 "Snap dump wait time\t: %d\n",
8945 instance->snapdump_wait_time);
8946 }
8947 break;
8948 default:
8949 event_type = 0;
8950 break;
8951 }
8952 } else {
8953 dev_err(&instance->pdev->dev, "invalid evt_detail!\n");
8954 mutex_unlock(&instance->reset_mutex);
8955 kfree(ev);
8956 return;
8957 }
8958
8959 if (event_type)
8960 dcmd_ret = megasas_update_device_list(instance, event_type);
8961
8962 mutex_unlock(&instance->reset_mutex);
8963
8964 if (event_type && dcmd_ret == DCMD_SUCCESS)
8965 megasas_add_remove_devices(instance, event_type);
8966
8967 if (dcmd_ret == DCMD_SUCCESS)
8968 seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1;
8969 else
8970 seq_num = instance->last_seq_num;
8971
8972
8973 class_locale.members.reserved = 0;
8974 class_locale.members.locale = MR_EVT_LOCALE_ALL;
8975 class_locale.members.class = MR_EVT_CLASS_DEBUG;
8976
8977 if (instance->aen_cmd != NULL) {
8978 kfree(ev);
8979 return;
8980 }
8981
8982 mutex_lock(&instance->reset_mutex);
8983 error = megasas_register_aen(instance, seq_num,
8984 class_locale.word);
8985 if (error)
8986 dev_err(&instance->pdev->dev,
8987 "register aen failed error %x\n", error);
8988
8989 mutex_unlock(&instance->reset_mutex);
8990 kfree(ev);
8991}
8992
8993
8994
8995
8996static int __init megasas_init(void)
8997{
8998 int rval;
8999
9000
9001
9002
9003
9004 if (reset_devices) {
9005 msix_vectors = 1;
9006 rdpq_enable = 0;
9007 dual_qdepth_disable = 1;
9008 poll_queues = 0;
9009 }
9010
9011
9012
9013
9014 pr_info("megasas: %s\n", MEGASAS_VERSION);
9015
9016 support_poll_for_event = 2;
9017 support_device_change = 1;
9018 support_nvme_encapsulation = true;
9019 support_pci_lane_margining = true;
9020
9021 memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
9022
9023
9024
9025
9026 rval = register_chrdev(0, "megaraid_sas_ioctl", &megasas_mgmt_fops);
9027
9028 if (rval < 0) {
9029 printk(KERN_DEBUG "megasas: failed to open device node\n");
9030 return rval;
9031 }
9032
9033 megasas_mgmt_majorno = rval;
9034
9035 megasas_init_debugfs();
9036
9037
9038
9039
9040 rval = pci_register_driver(&megasas_pci_driver);
9041
9042 if (rval) {
9043 printk(KERN_DEBUG "megasas: PCI hotplug registration failed \n");
9044 goto err_pcidrv;
9045 }
9046
9047 if ((event_log_level < MFI_EVT_CLASS_DEBUG) ||
9048 (event_log_level > MFI_EVT_CLASS_DEAD)) {
9049 pr_warn("megaraid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n");
9050 event_log_level = MFI_EVT_CLASS_CRITICAL;
9051 }
9052
9053 rval = driver_create_file(&megasas_pci_driver.driver,
9054 &driver_attr_version);
9055 if (rval)
9056 goto err_dcf_attr_ver;
9057
9058 rval = driver_create_file(&megasas_pci_driver.driver,
9059 &driver_attr_release_date);
9060 if (rval)
9061 goto err_dcf_rel_date;
9062
9063 rval = driver_create_file(&megasas_pci_driver.driver,
9064 &driver_attr_support_poll_for_event);
9065 if (rval)
9066 goto err_dcf_support_poll_for_event;
9067
9068 rval = driver_create_file(&megasas_pci_driver.driver,
9069 &driver_attr_dbg_lvl);
9070 if (rval)
9071 goto err_dcf_dbg_lvl;
9072 rval = driver_create_file(&megasas_pci_driver.driver,
9073 &driver_attr_support_device_change);
9074 if (rval)
9075 goto err_dcf_support_device_change;
9076
9077 rval = driver_create_file(&megasas_pci_driver.driver,
9078 &driver_attr_support_nvme_encapsulation);
9079 if (rval)
9080 goto err_dcf_support_nvme_encapsulation;
9081
9082 rval = driver_create_file(&megasas_pci_driver.driver,
9083 &driver_attr_support_pci_lane_margining);
9084 if (rval)
9085 goto err_dcf_support_pci_lane_margining;
9086
9087 return rval;
9088
9089err_dcf_support_pci_lane_margining:
9090 driver_remove_file(&megasas_pci_driver.driver,
9091 &driver_attr_support_nvme_encapsulation);
9092
9093err_dcf_support_nvme_encapsulation:
9094 driver_remove_file(&megasas_pci_driver.driver,
9095 &driver_attr_support_device_change);
9096
9097err_dcf_support_device_change:
9098 driver_remove_file(&megasas_pci_driver.driver,
9099 &driver_attr_dbg_lvl);
9100err_dcf_dbg_lvl:
9101 driver_remove_file(&megasas_pci_driver.driver,
9102 &driver_attr_support_poll_for_event);
9103err_dcf_support_poll_for_event:
9104 driver_remove_file(&megasas_pci_driver.driver,
9105 &driver_attr_release_date);
9106err_dcf_rel_date:
9107 driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
9108err_dcf_attr_ver:
9109 pci_unregister_driver(&megasas_pci_driver);
9110err_pcidrv:
9111 megasas_exit_debugfs();
9112 unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl");
9113 return rval;
9114}
9115
9116
9117
9118
9119static void __exit megasas_exit(void)
9120{
9121 driver_remove_file(&megasas_pci_driver.driver,
9122 &driver_attr_dbg_lvl);
9123 driver_remove_file(&megasas_pci_driver.driver,
9124 &driver_attr_support_poll_for_event);
9125 driver_remove_file(&megasas_pci_driver.driver,
9126 &driver_attr_support_device_change);
9127 driver_remove_file(&megasas_pci_driver.driver,
9128 &driver_attr_release_date);
9129 driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
9130 driver_remove_file(&megasas_pci_driver.driver,
9131 &driver_attr_support_nvme_encapsulation);
9132 driver_remove_file(&megasas_pci_driver.driver,
9133 &driver_attr_support_pci_lane_margining);
9134
9135 pci_unregister_driver(&megasas_pci_driver);
9136 megasas_exit_debugfs();
9137 unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl");
9138}
9139
9140module_init(megasas_init);
9141module_exit(megasas_exit);
9142