1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Driver for Broadcom MPI3 Storage Controllers
5 * Copyright (C) 2017-2021 Broadcom Inc.
10 #ifndef MPI3MR_H_INCLUDED
11 #define MPI3MR_H_INCLUDED
13 #include <linux/blkdev.h>
14 #include <linux/blk-mq.h>
15 #include <linux/blk-mq-pci.h>
16 #include <linux/delay.h>
17 #include <linux/dmapool.h>
18 #include <linux/errno.h>
19 #include <linux/init.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/miscdevice.h>
24 #include <linux/module.h>
25 #include <linux/pci.h>
26 #include <linux/poll.h>
27 #include <linux/sched.h>
28 #include <linux/slab.h>
29 #include <linux/types.h>
30 #include <linux/uaccess.h>
31 #include <linux/utsname.h>
32 #include <linux/version.h>
33 #include <linux/workqueue.h>
34 #include <asm/unaligned.h>
35 #include <scsi/scsi.h>
36 #include <scsi/scsi_cmnd.h>
37 #include <scsi/scsi_dbg.h>
38 #include <scsi/scsi_device.h>
39 #include <scsi/scsi_host.h>
40 #include <scsi/scsi_tcq.h>
42 #include "mpi/mpi30_transport.h"
43 #include "mpi/mpi30_cnfg.h"
44 #include "mpi/mpi30_image.h"
45 #include "mpi/mpi30_init.h"
46 #include "mpi/mpi30_ioc.h"
47 #include "mpi/mpi30_sas.h"
48 #include "mpi/mpi30_pci.h"
49 #include "mpi3mr_debug.h"
51 /* Global list and lock for storing multiple adapters managed by the driver */
52 extern spinlock_t mrioc_list_lock;
53 extern struct list_head mrioc_list;
56 #define MPI3MR_DRIVER_VERSION "8.0.0.61.0"
57 #define MPI3MR_DRIVER_RELDATE "20-December-2021"
59 #define MPI3MR_DRIVER_NAME "mpi3mr"
60 #define MPI3MR_DRIVER_LICENSE "GPL"
62 #define MPI3MR_DRIVER_DESC "MPI3 Storage Controller Device Driver"
64 #define MPI3MR_NAME_LENGTH 32
65 #define IOCNAME "%s: "
67 /* Definitions for internal SGL and Chain SGL buffers */
68 #define MPI3MR_PAGE_SIZE_4K 4096
69 #define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common))
71 /* Definitions for MAX values for shost */
72 #define MPI3MR_MAX_CMDS_LUN 7
73 #define MPI3MR_MAX_CDB_LENGTH 32
75 /* Admin queue management definitions */
76 #define MPI3MR_ADMIN_REQ_Q_SIZE (2 * MPI3MR_PAGE_SIZE_4K)
77 #define MPI3MR_ADMIN_REPLY_Q_SIZE (4 * MPI3MR_PAGE_SIZE_4K)
78 #define MPI3MR_ADMIN_REQ_FRAME_SZ 128
79 #define MPI3MR_ADMIN_REPLY_FRAME_SZ 16
81 /* Operational queue management definitions */
82 #define MPI3MR_OP_REQ_Q_QD 512
83 #define MPI3MR_OP_REP_Q_QD 1024
84 #define MPI3MR_OP_REP_Q_QD4K 4096
85 #define MPI3MR_OP_REQ_Q_SEG_SIZE 4096
86 #define MPI3MR_OP_REP_Q_SEG_SIZE 4096
87 #define MPI3MR_MAX_SEG_LIST_SIZE 4096
89 /* Reserved Host Tag definitions */
90 #define MPI3MR_HOSTTAG_INVALID 0xFFFF
91 #define MPI3MR_HOSTTAG_INITCMDS 1
92 #define MPI3MR_HOSTTAG_IOCTLCMDS 2
93 #define MPI3MR_HOSTTAG_BLK_TMS 5
95 #define MPI3MR_NUM_DEVRMCMD 16
96 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN (MPI3MR_HOSTTAG_BLK_TMS + 1)
97 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
98 MPI3MR_NUM_DEVRMCMD - 1)
100 #define MPI3MR_INTERNAL_CMDS_RESVD MPI3MR_HOSTTAG_DEVRMCMD_MAX
101 #define MPI3MR_NUM_EVTACKCMD 4
102 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN (MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
103 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX (MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
104 MPI3MR_NUM_EVTACKCMD - 1)
106 /* Reduced resource count definition for crash kernel */
107 #define MPI3MR_HOST_IOS_KDUMP 128
109 /* command/controller interaction timeout definitions in seconds */
110 #define MPI3MR_INTADMCMD_TIMEOUT 60
111 #define MPI3MR_PORTENABLE_TIMEOUT 300
112 #define MPI3MR_ABORTTM_TIMEOUT 60
113 #define MPI3MR_RESETTM_TIMEOUT 60
114 #define MPI3MR_RESET_HOST_IOWAIT_TIMEOUT 5
115 #define MPI3MR_TSUPDATE_INTERVAL 900
116 #define MPI3MR_DEFAULT_SHUTDOWN_TIME 120
117 #define MPI3MR_RAID_ERRREC_RESET_TIMEOUT 180
118 #define MPI3MR_PREPARE_FOR_RESET_TIMEOUT 180
119 #define MPI3MR_RESET_ACK_TIMEOUT 30
121 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
123 /* Internal admin command state definitions*/
124 #define MPI3MR_CMD_NOTUSED 0x8000
125 #define MPI3MR_CMD_COMPLETE 0x0001
126 #define MPI3MR_CMD_PENDING 0x0002
127 #define MPI3MR_CMD_REPLY_VALID 0x0004
128 #define MPI3MR_CMD_RESET 0x0008
130 /* Definitions for Event replies and sense buffer allocated per controller */
131 #define MPI3MR_NUM_EVT_REPLIES 64
132 #define MPI3MR_SENSE_BUF_SZ 256
133 #define MPI3MR_SENSEBUF_FACTOR 3
134 #define MPI3MR_CHAINBUF_FACTOR 3
135 #define MPI3MR_CHAINBUFDIX_FACTOR 2
137 /* Invalid target device handle */
138 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
140 /* Controller Reset related definitions */
141 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT 5
142 #define MPI3MR_MAX_RESET_RETRY_COUNT 3
144 /* ResponseCode definitions */
145 #define MPI3MR_RI_MASK_RESPCODE (0x000000FF)
146 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
147 MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
149 #define MPI3MR_DEFAULT_MDTS (128 * 1024)
150 #define MPI3MR_DEFAULT_PGSZEXP (12)
151 /* Command retry count definitions */
152 #define MPI3MR_DEV_RMHS_RETRY_COUNT 3
154 /* Default target device queue depth */
155 #define MPI3MR_DEFAULT_SDEV_QD 32
157 /* Definitions for Threaded IRQ poll*/
158 #define MPI3MR_IRQ_POLL_SLEEP 2
159 #define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
161 /* Definitions for the controller security status*/
162 #define MPI3MR_CTLR_SECURITY_STATUS_MASK 0x0C
163 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0x02
165 #define MPI3MR_INVALID_DEVICE 0x00
166 #define MPI3MR_CONFIG_SECURE_DEVICE 0x04
167 #define MPI3MR_HARD_SECURE_DEVICE 0x08
168 #define MPI3MR_TAMPERED_DEVICE 0x0C
170 /* SGE Flag definition */
171 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
172 (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
173 MPI3_SGE_FLAGS_END_OF_LIST)
175 /* MSI Index from Reply Queue Index */
176 #define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset)
178 /* IOC State definitions */
179 enum mpi3mr_iocstate {
180 MRIOC_STATE_READY = 1,
183 MRIOC_STATE_BECOMING_READY,
184 MRIOC_STATE_RESET_REQUESTED,
185 MRIOC_STATE_UNRECOVERABLE,
188 /* Reset reason code definitions*/
189 enum mpi3mr_reset_reason {
190 MPI3MR_RESET_FROM_BRINGUP = 1,
191 MPI3MR_RESET_FROM_FAULT_WATCH = 2,
192 MPI3MR_RESET_FROM_IOCTL = 3,
193 MPI3MR_RESET_FROM_EH_HOS = 4,
194 MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
195 MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
196 MPI3MR_RESET_FROM_MUR_FAILURE = 7,
197 MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
198 MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
199 MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
200 MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
201 MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
202 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
203 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
204 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
205 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
206 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
207 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
208 MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
209 MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
210 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
211 MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
212 MPI3MR_RESET_FROM_SYSFS = 23,
213 MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
214 MPI3MR_RESET_FROM_FIRMWARE = 27,
217 /* Queue type definitions */
219 MPI3MR_DEFAULT_QUEUE = 0,
224 * struct mpi3mr_compimg_ver - replica of component image
225 * version defined in mpi30_image.h in host endianness
228 struct mpi3mr_compimg_ver {
238 * struct mpi3mr_ioc_facs - replica of component image version
239 * defined in mpi30_ioc.h in host endianness
242 struct mpi3mr_ioc_facts {
243 u32 ioc_capabilities;
244 struct mpi3mr_compimg_ver fw_ver;
253 u16 max_sasexpanders;
254 u16 max_sasinitiators;
256 u16 max_pcie_switches;
266 u16 shutdown_timeout;
269 u16 max_msix_vectors;
279 * struct segments - memory descriptor structure to store
280 * virtual and dma addresses for operational queue segments.
282 * @segment: virtual address
283 * @segment_dma: dma address
287 dma_addr_t segment_dma;
291 * struct op_req_qinfo - Operational Request Queue Information
293 * @ci: consumer index
294 * @pi: producer index
295 * @num_request: Maximum number of entries in the queue
296 * @qid: Queue Id starting from 1
297 * @reply_qid: Associated reply queue Id
298 * @num_segments: Number of discontiguous memory segments
299 * @segment_qd: Depth of each segments
300 * @q_lock: Concurrent queue access lock
301 * @q_segments: Segment descriptor pointer
302 * @q_segment_list: Segment list base virtual address
303 * @q_segment_list_dma: Segment list base DMA address
305 struct op_req_qinfo {
314 struct segments *q_segments;
315 void *q_segment_list;
316 dma_addr_t q_segment_list_dma;
320 * struct op_reply_qinfo - Operational Reply Queue Information
322 * @ci: consumer index
323 * @qid: Queue Id starting from 1
324 * @num_replies: Maximum number of entries in the queue
325 * @num_segments: Number of discontiguous memory segments
326 * @segment_qd: Depth of each segments
327 * @q_segments: Segment descriptor pointer
328 * @q_segment_list: Segment list base virtual address
329 * @q_segment_list_dma: Segment list base DMA address
330 * @ephase: Expected phased identifier for the reply queue
331 * @pend_ios: Number of IOs pending in HW for this queue
332 * @enable_irq_poll: Flag to indicate polling is enabled
333 * @in_use: Queue is handled by poll/ISR
334 * @qtype: Type of queue (types defined in enum queue_type)
336 struct op_reply_qinfo {
342 struct segments *q_segments;
343 void *q_segment_list;
344 dma_addr_t q_segment_list_dma;
347 bool enable_irq_poll;
349 enum queue_type qtype;
353 * struct mpi3mr_intr_info - Interrupt cookie information
355 * @mrioc: Adapter instance reference
356 * @msix_index: MSIx index
357 * @op_reply_q: Associated operational reply queue
358 * @name: Dev name for the irq claiming device
360 struct mpi3mr_intr_info {
361 struct mpi3mr_ioc *mrioc;
363 struct op_reply_qinfo *op_reply_q;
364 char name[MPI3MR_NAME_LENGTH];
368 * struct tgt_dev_sas_sata - SAS/SATA device specific
369 * information cached from firmware given data
371 * @sas_address: World wide unique SAS address
372 * @dev_info: Device information bits
374 struct tgt_dev_sas_sata {
380 * struct tgt_dev_pcie - PCIe device specific information cached
381 * from firmware given data
383 * @mdts: Maximum data transfer size
384 * @capb: Device capabilities
385 * @pgsz: Device page size
386 * @abort_to: Timeout for abort TM
387 * @reset_to: Timeout for Target/LUN reset TM
388 * @dev_info: Device information bits
390 struct tgt_dev_pcie {
400 * struct tgt_dev_volume - virtual device specific information
401 * cached from firmware given data
403 * @state: State of the VD
405 struct tgt_dev_volume {
410 * union _form_spec_inf - union of device specific information
412 union _form_spec_inf {
413 struct tgt_dev_sas_sata sas_sata_inf;
414 struct tgt_dev_pcie pcie_inf;
415 struct tgt_dev_volume vol_inf;
421 * struct mpi3mr_tgt_dev - target device data structure
423 * @list: List pointer
424 * @starget: Scsi_target pointer
425 * @dev_handle: FW device handle
426 * @parent_handle: FW parent device handle
428 * @encl_handle: FW enclosure handle
429 * @perst_id: FW assigned Persistent ID
430 * @dev_type: SAS/SATA/PCIE device type
431 * @is_hidden: Should be exposed to upper layers or not
432 * @host_exposed: Already exposed to host or not
433 * @q_depth: Device specific Queue Depth
434 * @wwid: World wide ID
435 * @dev_spec: Device type specific information
436 * @ref_count: Reference count
438 struct mpi3mr_tgt_dev {
439 struct list_head list;
440 struct scsi_target *starget;
451 union _form_spec_inf dev_spec;
452 struct kref ref_count;
456 * mpi3mr_tgtdev_get - k reference incrementor
457 * @s: Target device reference
459 * Increment target device reference count.
461 static inline void mpi3mr_tgtdev_get(struct mpi3mr_tgt_dev *s)
463 kref_get(&s->ref_count);
467 * mpi3mr_free_tgtdev - target device memory dealloctor
468 * @r: k reference pointer of the target device
470 * Free target device memory when no reference.
472 static inline void mpi3mr_free_tgtdev(struct kref *r)
474 kfree(container_of(r, struct mpi3mr_tgt_dev, ref_count));
478 * mpi3mr_tgtdev_put - k reference decrementor
479 * @s: Target device reference
481 * Decrement target device reference count.
483 static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
485 kref_put(&s->ref_count, mpi3mr_free_tgtdev);
490 * struct mpi3mr_stgt_priv_data - SCSI target private structure
492 * @starget: Scsi_target pointer
493 * @dev_handle: FW device handle
494 * @perst_id: FW assigned Persistent ID
495 * @num_luns: Number of Logical Units
496 * @block_io: I/O blocked to the device or not
497 * @dev_removed: Device removed in the Firmware
498 * @dev_removedelay: Device is waiting to be removed in FW
499 * @dev_type: Device type
500 * @tgt_dev: Internal target device pointer
501 * @pend_count: Counter to track pending I/Os during error
504 struct mpi3mr_stgt_priv_data {
505 struct scsi_target *starget;
513 struct mpi3mr_tgt_dev *tgt_dev;
518 * struct mpi3mr_stgt_priv_data - SCSI device private structure
520 * @tgt_priv_data: Scsi_target private data pointer
521 * @lun_id: LUN ID of the device
522 * @ncq_prio_enable: NCQ priority enable for SATA device
523 * @pend_count: Counter to track pending I/Os during error
526 struct mpi3mr_sdev_priv_data {
527 struct mpi3mr_stgt_priv_data *tgt_priv_data;
534 * struct mpi3mr_drv_cmd - Internal command tracker
536 * @mutex: Command mutex
537 * @done: Completeor for wakeup
538 * @reply: Firmware reply for internal commands
539 * @sensebuf: Sensebuf for SCSI IO commands
540 * @iou_rc: IO Unit control reason code
541 * @state: Command State
542 * @dev_handle: Firmware handle for device specific commands
543 * @ioc_status: IOC status from the firmware
544 * @ioc_loginfo:IOC log info from the firmware
545 * @is_waiting: Is the command issued in block mode
546 * @retry_count: Retry count for retriable commands
547 * @host_tag: Host tag used by the command
548 * @callback: Callback for non blocking commands
550 struct mpi3mr_drv_cmd {
552 struct completion done;
564 void (*callback)(struct mpi3mr_ioc *mrioc,
565 struct mpi3mr_drv_cmd *drv_cmd);
570 * struct chain_element - memory descriptor structure to store
571 * virtual and dma addresses for chain elements.
573 * @addr: virtual address
574 * @dma_addr: dma address
576 struct chain_element {
582 * struct scmd_priv - SCSI command private data
584 * @host_tag: Host tag specific to operational queue
585 * @in_lld_scope: Command in LLD scope or not
586 * @meta_sg_valid: DIX command with meta data SGL or not
587 * @scmd: SCSI Command pointer
588 * @req_q_idx: Operational request queue index
589 * @chain_idx: Chain frame index
590 * @meta_chain_idx: Chain frame index of meta data SGL
591 * @mpi3mr_scsiio_req: MPI SCSI IO request
597 struct scsi_cmnd *scmd;
601 u8 mpi3mr_scsiio_req[MPI3MR_ADMIN_REQ_FRAME_SZ];
605 * struct mpi3mr_ioc - Adapter anchor structure stored in shost
608 * @list: List pointer
609 * @pdev: PCI device pointer
610 * @shost: Scsi_Host pointer
612 * @cpu_count: Number of online CPUs
613 * @irqpoll_sleep: usleep unit used in threaded isr irqpoll
614 * @name: Controller ASCII name
615 * @driver_name: Driver ASCII name
616 * @sysif_regs: System interface registers virtual address
617 * @sysif_regs_phys: System interface registers physical address
619 * @dma_mask: DMA mask
620 * @msix_count: Number of MSIX vectors used
621 * @intr_enabled: Is interrupts enabled
622 * @num_admin_req: Number of admin requests
623 * @admin_req_q_sz: Admin request queue size
624 * @admin_req_pi: Admin request queue producer index
625 * @admin_req_ci: Admin request queue consumer index
626 * @admin_req_base: Admin request queue base virtual address
627 * @admin_req_dma: Admin request queue base dma address
628 * @admin_req_lock: Admin queue access lock
629 * @num_admin_replies: Number of admin replies
630 * @admin_reply_q_sz: Admin reply queue size
631 * @admin_reply_ci: Admin reply queue consumer index
632 * @admin_reply_ephase:Admin reply queue expected phase
633 * @admin_reply_base: Admin reply queue base virtual address
634 * @admin_reply_dma: Admin reply queue base dma address
635 * @ready_timeout: Controller ready timeout
636 * @intr_info: Interrupt cookie pointer
637 * @intr_info_count: Number of interrupt cookies
638 * @is_intr_info_set: Flag to indicate intr info is setup
639 * @num_queues: Number of operational queues
640 * @num_op_req_q: Number of operational request queues
641 * @req_qinfo: Operational request queue info pointer
642 * @num_op_reply_q: Number of operational reply queues
643 * @op_reply_qinfo: Operational reply queue info pointer
644 * @init_cmds: Command tracker for initialization commands
645 * @facts: Cached IOC facts data
646 * @op_reply_desc_sz: Operational reply descriptor size
647 * @num_reply_bufs: Number of reply buffers allocated
648 * @reply_buf_pool: Reply buffer pool
649 * @reply_buf: Reply buffer base virtual address
650 * @reply_buf_dma: Reply buffer DMA address
651 * @reply_buf_dma_max_address: Reply DMA address max limit
652 * @reply_free_qsz: Reply free queue size
653 * @reply_free_q_pool: Reply free queue pool
654 * @reply_free_q: Reply free queue base virtual address
655 * @reply_free_q_dma: Reply free queue base DMA address
656 * @reply_free_queue_lock: Reply free queue lock
657 * @reply_free_queue_host_index: Reply free queue host index
658 * @num_sense_bufs: Number of sense buffers
659 * @sense_buf_pool: Sense buffer pool
660 * @sense_buf: Sense buffer base virtual address
661 * @sense_buf_dma: Sense buffer base DMA address
662 * @sense_buf_q_sz: Sense buffer queue size
663 * @sense_buf_q_pool: Sense buffer queue pool
664 * @sense_buf_q: Sense buffer queue virtual address
665 * @sense_buf_q_dma: Sense buffer queue DMA address
666 * @sbq_lock: Sense buffer queue lock
667 * @sbq_host_index: Sense buffer queuehost index
668 * @event_masks: Event mask bitmap
669 * @fwevt_worker_name: Firmware event worker thread name
670 * @fwevt_worker_thread: Firmware event worker thread
671 * @fwevt_lock: Firmware event lock
672 * @fwevt_list: Firmware event list
673 * @watchdog_work_q_name: Fault watchdog worker thread name
674 * @watchdog_work_q: Fault watchdog worker thread
675 * @watchdog_work: Fault watchdog work
676 * @watchdog_lock: Fault watchdog lock
677 * @is_driver_loading: Is driver still loading
678 * @scan_started: Async scan started
679 * @scan_failed: Asycn scan failed
680 * @stop_drv_processing: Stop all command processing
681 * @max_host_ios: Maximum host I/O count
682 * @chain_buf_count: Chain buffer count
683 * @chain_buf_pool: Chain buffer pool
684 * @chain_sgl_list: Chain SGL list
685 * @chain_bitmap_sz: Chain buffer allocator bitmap size
686 * @chain_bitmap: Chain buffer allocator bitmap
687 * @chain_buf_lock: Chain buffer list lock
688 * @host_tm_cmds: Command tracker for task management commands
689 * @dev_rmhs_cmds: Command tracker for device removal commands
690 * @evtack_cmds: Command tracker for event ack commands
691 * @devrem_bitmap_sz: Device removal bitmap size
692 * @devrem_bitmap: Device removal bitmap
693 * @dev_handle_bitmap_sz: Device handle bitmap size
694 * @removepend_bitmap: Remove pending bitmap
695 * @delayed_rmhs_list: Delayed device removal list
696 * @evtack_cmds_bitmap_sz: Event Ack bitmap size
697 * @evtack_cmds_bitmap: Event Ack bitmap
698 * @delayed_evtack_cmds_list: Delayed event acknowledgment list
699 * @ts_update_counter: Timestamp update counter
700 * @reset_in_progress: Reset in progress flag
701 * @unrecoverable: Controller unrecoverable flag
702 * @prev_reset_result: Result of previous reset
703 * @reset_mutex: Controller reset mutex
704 * @reset_waitq: Controller reset wait queue
705 * @prepare_for_reset: Prepare for reset event received
706 * @prepare_for_reset_timeout_counter: Prepare for reset timeout
707 * @diagsave_timeout: Diagnostic information save timeout
708 * @logging_level: Controller debug logging level
709 * @flush_io_count: I/O count to flush after reset
710 * @current_event: Firmware event currently in process
711 * @driver_info: Driver, Kernel, OS information to firmware
712 * @change_count: Topology change count
713 * @op_reply_q_offset: Operational reply queue offset with MSIx
714 * @default_qcount: Total Default queues
715 * @active_poll_qcount: Currently active poll queue count
716 * @requested_poll_qcount: User requested poll queue count
719 struct list_head list;
720 struct pci_dev *pdev;
721 struct Scsi_Host *shost;
724 bool enable_segqueue;
727 char name[MPI3MR_NAME_LENGTH];
728 char driver_name[MPI3MR_NAME_LENGTH];
730 volatile struct mpi3_sysif_registers __iomem *sysif_regs;
731 resource_size_t sysif_regs_phys;
742 void *admin_req_base;
743 dma_addr_t admin_req_dma;
744 spinlock_t admin_req_lock;
746 u16 num_admin_replies;
747 u32 admin_reply_q_sz;
749 u8 admin_reply_ephase;
750 void *admin_reply_base;
751 dma_addr_t admin_reply_dma;
755 struct mpi3mr_intr_info *intr_info;
757 bool is_intr_info_set;
761 struct op_req_qinfo *req_qinfo;
764 struct op_reply_qinfo *op_reply_qinfo;
766 struct mpi3mr_drv_cmd init_cmds;
767 struct mpi3mr_ioc_facts facts;
768 u16 op_reply_desc_sz;
771 struct dma_pool *reply_buf_pool;
773 dma_addr_t reply_buf_dma;
774 dma_addr_t reply_buf_dma_max_address;
778 struct dma_pool *reply_free_q_pool;
779 __le64 *reply_free_q;
780 dma_addr_t reply_free_q_dma;
781 spinlock_t reply_free_queue_lock;
782 u32 reply_free_queue_host_index;
785 struct dma_pool *sense_buf_pool;
787 dma_addr_t sense_buf_dma;
790 struct dma_pool *sense_buf_q_pool;
792 dma_addr_t sense_buf_q_dma;
795 u32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
797 char fwevt_worker_name[MPI3MR_NAME_LENGTH];
798 struct workqueue_struct *fwevt_worker_thread;
799 spinlock_t fwevt_lock;
800 struct list_head fwevt_list;
802 char watchdog_work_q_name[20];
803 struct workqueue_struct *watchdog_work_q;
804 struct delayed_work watchdog_work;
805 spinlock_t watchdog_lock;
807 u8 is_driver_loading;
810 u8 stop_drv_processing;
813 spinlock_t tgtdev_lock;
814 struct list_head tgtdev_list;
817 struct dma_pool *chain_buf_pool;
818 struct chain_element *chain_sgl_list;
821 spinlock_t chain_buf_lock;
823 struct mpi3mr_drv_cmd host_tm_cmds;
824 struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
825 struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
826 u16 devrem_bitmap_sz;
828 u16 dev_handle_bitmap_sz;
829 void *removepend_bitmap;
830 struct list_head delayed_rmhs_list;
831 u16 evtack_cmds_bitmap_sz;
832 void *evtack_cmds_bitmap;
833 struct list_head delayed_evtack_cmds_list;
835 u32 ts_update_counter;
836 u8 reset_in_progress;
838 int prev_reset_result;
839 struct mutex reset_mutex;
840 wait_queue_head_t reset_waitq;
842 u8 prepare_for_reset;
843 u16 prepare_for_reset_timeout_counter;
845 u16 diagsave_timeout;
849 struct mpi3mr_fwevt *current_event;
850 struct mpi3_driver_info_layout driver_info;
852 u16 op_reply_q_offset;
855 u16 active_poll_qcount;
856 u16 requested_poll_qcount;
860 * struct mpi3mr_fwevt - Firmware event structure.
863 * @work: Work structure
864 * @mrioc: Adapter instance reference
865 * @event_id: MPI3 firmware event ID
866 * @send_ack: Event acknowledgment required or not
867 * @process_evt: Bottomhalf processing required or not
868 * @evt_ctx: Event context to send in Ack
869 * @ref_count: kref count
870 * @event_data: Actual MPI3 event data
872 struct mpi3mr_fwevt {
873 struct list_head list;
874 struct work_struct work;
875 struct mpi3mr_ioc *mrioc;
880 struct kref ref_count;
881 char event_data[] __aligned(4);
886 * struct delayed_dev_rmhs_node - Delayed device removal node
889 * @handle: Device handle
890 * @iou_rc: IO Unit Control Reason Code
892 struct delayed_dev_rmhs_node {
893 struct list_head list;
899 * struct delayed_evt_ack_node - Delayed event ack node
901 * @event: MPI3 event ID
902 * @event_ctx: event context
904 struct delayed_evt_ack_node {
905 struct list_head list;
910 int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc);
911 void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc);
912 int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc);
913 int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume);
914 void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc);
915 int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async);
916 int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
917 u16 admin_req_sz, u8 ignore_reset);
918 int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
919 struct op_req_qinfo *opreqq, u8 *req);
920 void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
921 dma_addr_t dma_addr);
922 void mpi3mr_build_zero_len_sge(void *paddr);
923 void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
924 dma_addr_t phys_addr);
925 void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
926 dma_addr_t phys_addr);
927 void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
930 void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc);
931 void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc);
932 void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
933 struct mpi3_event_notification_reply *event_reply);
934 void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
935 struct mpi3_default_reply_descriptor *reply_desc,
936 u64 *reply_dma, u16 qidx);
937 void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc);
938 void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc);
940 int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
941 u32 reset_reason, u8 snapdump);
942 void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc);
943 void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc);
945 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc);
946 int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
949 void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout);
950 void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc);
951 void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc);
952 void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc);
953 void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc);
954 void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc);
955 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
956 void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc);
957 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
958 int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
959 struct op_reply_qinfo *op_reply_q);
960 int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
962 #endif /*MPI3MR_H_INCLUDED*/