1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Driver for Broadcom MPI3 Storage Controllers
5 * Copyright (C) 2017-2023 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/workqueue.h>
33 #include <asm/unaligned.h>
34 #include <scsi/scsi.h>
35 #include <scsi/scsi_cmnd.h>
36 #include <scsi/scsi_dbg.h>
37 #include <scsi/scsi_device.h>
38 #include <scsi/scsi_host.h>
39 #include <scsi/scsi_tcq.h>
40 #include <uapi/scsi/scsi_bsg_mpi3mr.h>
41 #include <scsi/scsi_transport_sas.h>
43 #include "mpi/mpi30_transport.h"
44 #include "mpi/mpi30_cnfg.h"
45 #include "mpi/mpi30_image.h"
46 #include "mpi/mpi30_init.h"
47 #include "mpi/mpi30_ioc.h"
48 #include "mpi/mpi30_sas.h"
49 #include "mpi/mpi30_pci.h"
50 #include "mpi3mr_debug.h"
52 /* Global list and lock for storing multiple adapters managed by the driver */
53 extern spinlock_t mrioc_list_lock;
54 extern struct list_head mrioc_list;
56 extern atomic64_t event_counter;
58 #define MPI3MR_DRIVER_VERSION "8.4.1.0.0"
59 #define MPI3MR_DRIVER_RELDATE "16-March-2023"
61 #define MPI3MR_DRIVER_NAME "mpi3mr"
62 #define MPI3MR_DRIVER_LICENSE "GPL"
64 #define MPI3MR_DRIVER_DESC "MPI3 Storage Controller Device Driver"
66 #define MPI3MR_NAME_LENGTH 32
67 #define IOCNAME "%s: "
69 #define MPI3MR_MAX_SECTORS 2048
71 /* Definitions for internal SGL and Chain SGL buffers */
72 #define MPI3MR_PAGE_SIZE_4K 4096
73 #define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common))
75 /* Definitions for MAX values for shost */
76 #define MPI3MR_MAX_CMDS_LUN 128
77 #define MPI3MR_MAX_CDB_LENGTH 32
79 /* Admin queue management definitions */
80 #define MPI3MR_ADMIN_REQ_Q_SIZE (2 * MPI3MR_PAGE_SIZE_4K)
81 #define MPI3MR_ADMIN_REPLY_Q_SIZE (4 * MPI3MR_PAGE_SIZE_4K)
82 #define MPI3MR_ADMIN_REQ_FRAME_SZ 128
83 #define MPI3MR_ADMIN_REPLY_FRAME_SZ 16
85 /* Operational queue management definitions */
86 #define MPI3MR_OP_REQ_Q_QD 512
87 #define MPI3MR_OP_REP_Q_QD 1024
88 #define MPI3MR_OP_REP_Q_QD4K 4096
89 #define MPI3MR_OP_REQ_Q_SEG_SIZE 4096
90 #define MPI3MR_OP_REP_Q_SEG_SIZE 4096
91 #define MPI3MR_MAX_SEG_LIST_SIZE 4096
93 /* Reserved Host Tag definitions */
94 #define MPI3MR_HOSTTAG_INVALID 0xFFFF
95 #define MPI3MR_HOSTTAG_INITCMDS 1
96 #define MPI3MR_HOSTTAG_BSG_CMDS 2
97 #define MPI3MR_HOSTTAG_PEL_ABORT 3
98 #define MPI3MR_HOSTTAG_PEL_WAIT 4
99 #define MPI3MR_HOSTTAG_BLK_TMS 5
100 #define MPI3MR_HOSTTAG_CFG_CMDS 6
101 #define MPI3MR_HOSTTAG_TRANSPORT_CMDS 7
103 #define MPI3MR_NUM_DEVRMCMD 16
104 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN (MPI3MR_HOSTTAG_TRANSPORT_CMDS + 1)
105 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
106 MPI3MR_NUM_DEVRMCMD - 1)
108 #define MPI3MR_INTERNAL_CMDS_RESVD MPI3MR_HOSTTAG_DEVRMCMD_MAX
109 #define MPI3MR_NUM_EVTACKCMD 4
110 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN (MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
111 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX (MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
112 MPI3MR_NUM_EVTACKCMD - 1)
114 /* Reduced resource count definition for crash kernel */
115 #define MPI3MR_HOST_IOS_KDUMP 128
117 /* command/controller interaction timeout definitions in seconds */
118 #define MPI3MR_INTADMCMD_TIMEOUT 60
119 #define MPI3MR_PORTENABLE_TIMEOUT 300
120 #define MPI3MR_PORTENABLE_POLL_INTERVAL 5
121 #define MPI3MR_ABORTTM_TIMEOUT 60
122 #define MPI3MR_RESETTM_TIMEOUT 60
123 #define MPI3MR_RESET_HOST_IOWAIT_TIMEOUT 5
124 #define MPI3MR_TSUPDATE_INTERVAL 900
125 #define MPI3MR_DEFAULT_SHUTDOWN_TIME 120
126 #define MPI3MR_RAID_ERRREC_RESET_TIMEOUT 180
127 #define MPI3MR_PREPARE_FOR_RESET_TIMEOUT 180
128 #define MPI3MR_RESET_ACK_TIMEOUT 30
129 #define MPI3MR_MUR_TIMEOUT 120
131 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
133 #define MPI3MR_DEFAULT_CFG_PAGE_SZ 1024 /* in bytes */
135 #define MPI3MR_RESET_TOPOLOGY_SETTLE_TIME 10
137 #define MPI3MR_SCMD_TIMEOUT (60 * HZ)
138 #define MPI3MR_EH_SCMD_TIMEOUT (60 * HZ)
140 /* Internal admin command state definitions*/
141 #define MPI3MR_CMD_NOTUSED 0x8000
142 #define MPI3MR_CMD_COMPLETE 0x0001
143 #define MPI3MR_CMD_PENDING 0x0002
144 #define MPI3MR_CMD_REPLY_VALID 0x0004
145 #define MPI3MR_CMD_RESET 0x0008
147 /* Definitions for Event replies and sense buffer allocated per controller */
148 #define MPI3MR_NUM_EVT_REPLIES 64
149 #define MPI3MR_SENSE_BUF_SZ 256
150 #define MPI3MR_SENSEBUF_FACTOR 3
151 #define MPI3MR_CHAINBUF_FACTOR 3
152 #define MPI3MR_CHAINBUFDIX_FACTOR 2
154 /* Invalid target device handle */
155 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
157 /* Controller Reset related definitions */
158 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT 5
159 #define MPI3MR_MAX_RESET_RETRY_COUNT 3
161 /* ResponseCode definitions */
162 #define MPI3MR_RI_MASK_RESPCODE (0x000000FF)
163 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
164 MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
166 #define MPI3MR_DEFAULT_MDTS (128 * 1024)
167 #define MPI3MR_DEFAULT_PGSZEXP (12)
169 /* Command retry count definitions */
170 #define MPI3MR_DEV_RMHS_RETRY_COUNT 3
171 #define MPI3MR_PEL_RETRY_COUNT 3
173 /* Default target device queue depth */
174 #define MPI3MR_DEFAULT_SDEV_QD 32
176 /* Definitions for Threaded IRQ poll*/
177 #define MPI3MR_IRQ_POLL_SLEEP 2
178 #define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
180 /* Definitions for the controller security status*/
181 #define MPI3MR_CTLR_SECURITY_STATUS_MASK 0x0C
182 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0x02
184 #define MPI3MR_INVALID_DEVICE 0x00
185 #define MPI3MR_CONFIG_SECURE_DEVICE 0x04
186 #define MPI3MR_HARD_SECURE_DEVICE 0x08
187 #define MPI3MR_TAMPERED_DEVICE 0x0C
189 /* SGE Flag definition */
190 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
191 (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
192 MPI3_SGE_FLAGS_END_OF_LIST)
194 /* MSI Index from Reply Queue Index */
195 #define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset)
198 * Maximum data transfer size definitions for management
199 * application commands
201 #define MPI3MR_MAX_APP_XFER_SIZE (1 * 1024 * 1024)
202 #define MPI3MR_MAX_APP_XFER_SEGMENTS 512
204 * 2048 sectors are for data buffers and additional 512 sectors for
207 #define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512)
210 * struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
211 * Encapsulated commands.
213 * @base_addr: Physical address
214 * @length: SGE length
217 * @sgl_type: sgl type
219 struct mpi3mr_nvme_pt_sge {
228 * struct mpi3mr_buf_map - local structure to
229 * track kernel and user buffers associated with an BSG
232 * @bsg_buf: BSG buffer virtual address
233 * @bsg_buf_len: BSG buffer length
234 * @kern_buf: Kernel buffer virtual address
235 * @kern_buf_len: Kernel buffer length
236 * @kern_buf_dma: Kernel buffer DMA address
237 * @data_dir: Data direction.
239 struct mpi3mr_buf_map {
244 dma_addr_t kern_buf_dma;
248 /* IOC State definitions */
249 enum mpi3mr_iocstate {
250 MRIOC_STATE_READY = 1,
253 MRIOC_STATE_BECOMING_READY,
254 MRIOC_STATE_RESET_REQUESTED,
255 MRIOC_STATE_UNRECOVERABLE,
258 /* Reset reason code definitions*/
259 enum mpi3mr_reset_reason {
260 MPI3MR_RESET_FROM_BRINGUP = 1,
261 MPI3MR_RESET_FROM_FAULT_WATCH = 2,
262 MPI3MR_RESET_FROM_APP = 3,
263 MPI3MR_RESET_FROM_EH_HOS = 4,
264 MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
265 MPI3MR_RESET_FROM_APP_TIMEOUT = 6,
266 MPI3MR_RESET_FROM_MUR_FAILURE = 7,
267 MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
268 MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
269 MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
270 MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
271 MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
272 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
273 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
274 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
275 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
276 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
277 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
278 MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
279 MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
280 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
281 MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
282 MPI3MR_RESET_FROM_SYSFS = 23,
283 MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
284 MPI3MR_RESET_FROM_FIRMWARE = 27,
285 MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29,
286 MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30,
289 /* Queue type definitions */
291 MPI3MR_DEFAULT_QUEUE = 0,
296 * struct mpi3mr_compimg_ver - replica of component image
297 * version defined in mpi30_image.h in host endianness
300 struct mpi3mr_compimg_ver {
310 * struct mpi3mr_ioc_facs - replica of component image version
311 * defined in mpi30_ioc.h in host endianness
314 struct mpi3mr_ioc_facts {
315 u32 ioc_capabilities;
316 struct mpi3mr_compimg_ver fw_ver;
325 u16 max_sasexpanders;
326 u16 max_sasinitiators;
328 u16 max_pcie_switches;
338 u16 shutdown_timeout;
341 u16 max_msix_vectors;
349 u16 max_io_throttle_group;
350 u16 io_throttle_data_length;
352 u16 io_throttle_high;
357 * struct segments - memory descriptor structure to store
358 * virtual and dma addresses for operational queue segments.
360 * @segment: virtual address
361 * @segment_dma: dma address
365 dma_addr_t segment_dma;
369 * struct op_req_qinfo - Operational Request Queue Information
371 * @ci: consumer index
372 * @pi: producer index
373 * @num_request: Maximum number of entries in the queue
374 * @qid: Queue Id starting from 1
375 * @reply_qid: Associated reply queue Id
376 * @num_segments: Number of discontiguous memory segments
377 * @segment_qd: Depth of each segments
378 * @q_lock: Concurrent queue access lock
379 * @q_segments: Segment descriptor pointer
380 * @q_segment_list: Segment list base virtual address
381 * @q_segment_list_dma: Segment list base DMA address
383 struct op_req_qinfo {
392 struct segments *q_segments;
393 void *q_segment_list;
394 dma_addr_t q_segment_list_dma;
398 * struct op_reply_qinfo - Operational Reply Queue Information
400 * @ci: consumer index
401 * @qid: Queue Id starting from 1
402 * @num_replies: Maximum number of entries in the queue
403 * @num_segments: Number of discontiguous memory segments
404 * @segment_qd: Depth of each segments
405 * @q_segments: Segment descriptor pointer
406 * @q_segment_list: Segment list base virtual address
407 * @q_segment_list_dma: Segment list base DMA address
408 * @ephase: Expected phased identifier for the reply queue
409 * @pend_ios: Number of IOs pending in HW for this queue
410 * @enable_irq_poll: Flag to indicate polling is enabled
411 * @in_use: Queue is handled by poll/ISR
412 * @qtype: Type of queue (types defined in enum queue_type)
414 struct op_reply_qinfo {
420 struct segments *q_segments;
421 void *q_segment_list;
422 dma_addr_t q_segment_list_dma;
425 bool enable_irq_poll;
427 enum queue_type qtype;
431 * struct mpi3mr_intr_info - Interrupt cookie information
433 * @mrioc: Adapter instance reference
434 * @os_irq: irq number
435 * @msix_index: MSIx index
436 * @op_reply_q: Associated operational reply queue
437 * @name: Dev name for the irq claiming device
439 struct mpi3mr_intr_info {
440 struct mpi3mr_ioc *mrioc;
443 struct op_reply_qinfo *op_reply_q;
444 char name[MPI3MR_NAME_LENGTH];
448 * struct mpi3mr_throttle_group_info - Throttle group info
450 * @io_divert: Flag indicates io divert is on or off for the TG
451 * @need_qd_reduction: Flag to indicate QD reduction is needed
452 * @qd_reduction: Queue Depth reduction in units of 10%
453 * @fw_qd: QueueDepth value reported by the firmware
454 * @modified_qd: Modified QueueDepth value due to throttling
455 * @id: Throttle Group ID.
456 * @high: High limit to turn on throttling in 512 byte blocks
457 * @low: Low limit to turn off throttling in 512 byte blocks
458 * @pend_large_data_sz: Counter to track pending large data
460 struct mpi3mr_throttle_group_info {
462 u8 need_qd_reduction;
469 atomic_t pend_large_data_sz;
473 #define MPI3MR_HBA_PORT_FLAG_DIRTY 0x01
476 * struct mpi3mr_hba_port - HBA's port information
477 * @port_id: Port number
478 * @flags: HBA port flags
480 struct mpi3mr_hba_port {
481 struct list_head list;
487 * struct mpi3mr_sas_port - Internal SAS port information
488 * @port_list: List of ports belonging to a SAS node
489 * @num_phys: Number of phys associated with port
490 * @marked_responding: used while refresing the sas ports
491 * @lowest_phy: lowest phy ID of current sas port
492 * @phy_mask: phy_mask of current sas port
493 * @hba_port: HBA port entry
494 * @remote_identify: Attached device identification
495 * @rphy: SAS transport layer rphy object
496 * @port: SAS transport layer port object
497 * @phy_list: mpi3mr_sas_phy objects belonging to this port
499 struct mpi3mr_sas_port {
500 struct list_head port_list;
502 u8 marked_responding;
505 struct mpi3mr_hba_port *hba_port;
506 struct sas_identify remote_identify;
507 struct sas_rphy *rphy;
508 struct sas_port *port;
509 struct list_head phy_list;
513 * struct mpi3mr_sas_phy - Internal SAS Phy information
514 * @port_siblings: List of phys belonging to a port
515 * @identify: Phy identification
516 * @remote_identify: Attached device identification
517 * @phy: SAS transport layer Phy object
518 * @phy_id: Unique phy id within a port
519 * @handle: Firmware device handle for this phy
520 * @attached_handle: Firmware device handle for attached device
521 * @phy_belongs_to_port: Flag to indicate phy belongs to port
522 @hba_port: HBA port entry
524 struct mpi3mr_sas_phy {
525 struct list_head port_siblings;
526 struct sas_identify identify;
527 struct sas_identify remote_identify;
532 u8 phy_belongs_to_port;
533 struct mpi3mr_hba_port *hba_port;
537 * struct mpi3mr_sas_node - SAS host/expander information
538 * @list: List of sas nodes in a controller
539 * @parent_dev: Parent device class
540 * @num_phys: Number phys belonging to sas_node
541 * @sas_address: SAS address of sas_node
542 * @handle: Firmware device handle for this sas_host/expander
543 * @sas_address_parent: SAS address of parent expander or host
544 * @enclosure_handle: Firmware handle of enclosure of this node
545 * @device_info: Capabilities of this sas_host/expander
546 * @non_responding: used to refresh the expander devices during reset
547 * @host_node: Flag to indicate this is a host_node
548 * @hba_port: HBA port entry
549 * @phy: A list of phys that make up this sas_host/expander
550 * @sas_port_list: List of internal ports of this node
551 * @rphy: sas_rphy object of this expander node
553 struct mpi3mr_sas_node {
554 struct list_head list;
555 struct device *parent_dev;
559 u64 sas_address_parent;
560 u16 enclosure_handle;
561 u64 enclosure_logical_id;
564 struct mpi3mr_hba_port *hba_port;
565 struct mpi3mr_sas_phy *phy;
566 struct list_head sas_port_list;
567 struct sas_rphy *rphy;
571 * struct mpi3mr_enclosure_node - enclosure information
572 * @list: List of enclosures
573 * @pg0: Enclosure page 0;
575 struct mpi3mr_enclosure_node {
576 struct list_head list;
577 struct mpi3_enclosure_page0 pg0;
581 * struct tgt_dev_sas_sata - SAS/SATA device specific
582 * information cached from firmware given data
584 * @sas_address: World wide unique SAS address
585 * @sas_address_parent: Sas address of parent expander or host
586 * @dev_info: Device information bits
587 * @phy_id: Phy identifier provided in device page 0
588 * @attached_phy_id: Attached phy identifier provided in device page 0
589 * @sas_transport_attached: Is this device exposed to transport
590 * @pend_sas_rphy_add: Flag to check device is in process of add
591 * @hba_port: HBA port entry
592 * @rphy: SAS transport layer rphy object
594 struct tgt_dev_sas_sata {
596 u64 sas_address_parent;
600 u8 sas_transport_attached;
601 u8 pend_sas_rphy_add;
602 struct mpi3mr_hba_port *hba_port;
603 struct sas_rphy *rphy;
607 * struct tgt_dev_pcie - PCIe device specific information cached
608 * from firmware given data
610 * @mdts: Maximum data transfer size
611 * @capb: Device capabilities
612 * @pgsz: Device page size
613 * @abort_to: Timeout for abort TM
614 * @reset_to: Timeout for Target/LUN reset TM
615 * @dev_info: Device information bits
617 struct tgt_dev_pcie {
627 * struct tgt_dev_vd - virtual device specific information
628 * cached from firmware given data
630 * @state: State of the VD
631 * @tg_qd_reduction: Queue Depth reduction in units of 10%
632 * @tg_id: VDs throttle group ID
633 * @high: High limit to turn on throttling in 512 byte blocks
634 * @low: Low limit to turn off throttling in 512 byte blocks
635 * @tg: Pointer to throttle group info
643 struct mpi3mr_throttle_group_info *tg;
648 * union _form_spec_inf - union of device specific information
650 union _form_spec_inf {
651 struct tgt_dev_sas_sata sas_sata_inf;
652 struct tgt_dev_pcie pcie_inf;
653 struct tgt_dev_vd vd_inf;
656 enum mpi3mr_dev_state {
657 MPI3MR_DEV_CREATED = 1,
658 MPI3MR_DEV_REMOVE_HS_STARTED = 2,
659 MPI3MR_DEV_DELETED = 3,
663 * struct mpi3mr_tgt_dev - target device data structure
665 * @list: List pointer
666 * @starget: Scsi_target pointer
667 * @dev_handle: FW device handle
668 * @parent_handle: FW parent device handle
670 * @encl_handle: FW enclosure handle
671 * @perst_id: FW assigned Persistent ID
672 * @devpg0_flag: Device Page0 flag
673 * @dev_type: SAS/SATA/PCIE device type
674 * @is_hidden: Should be exposed to upper layers or not
675 * @host_exposed: Already exposed to host or not
676 * @io_unit_port: IO Unit port ID
677 * @non_stl: Is this device not to be attached with SAS TL
678 * @io_throttle_enabled: I/O throttling needed or not
679 * @q_depth: Device specific Queue Depth
680 * @wwid: World wide ID
681 * @enclosure_logical_id: Enclosure logical identifier
682 * @dev_spec: Device type specific information
683 * @ref_count: Reference count
684 * @state: device state
686 struct mpi3mr_tgt_dev {
687 struct list_head list;
688 struct scsi_target *starget;
700 u8 io_throttle_enabled;
703 u64 enclosure_logical_id;
704 union _form_spec_inf dev_spec;
705 struct kref ref_count;
706 enum mpi3mr_dev_state state;
710 * mpi3mr_tgtdev_get - k reference incrementor
711 * @s: Target device reference
713 * Increment target device reference count.
715 static inline void mpi3mr_tgtdev_get(struct mpi3mr_tgt_dev *s)
717 kref_get(&s->ref_count);
721 * mpi3mr_free_tgtdev - target device memory dealloctor
722 * @r: k reference pointer of the target device
724 * Free target device memory when no reference.
726 static inline void mpi3mr_free_tgtdev(struct kref *r)
728 kfree(container_of(r, struct mpi3mr_tgt_dev, ref_count));
732 * mpi3mr_tgtdev_put - k reference decrementor
733 * @s: Target device reference
735 * Decrement target device reference count.
737 static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
739 kref_put(&s->ref_count, mpi3mr_free_tgtdev);
744 * struct mpi3mr_stgt_priv_data - SCSI target private structure
746 * @starget: Scsi_target pointer
747 * @dev_handle: FW device handle
748 * @perst_id: FW assigned Persistent ID
749 * @num_luns: Number of Logical Units
750 * @block_io: I/O blocked to the device or not
751 * @dev_removed: Device removed in the Firmware
752 * @dev_removedelay: Device is waiting to be removed in FW
753 * @dev_type: Device type
754 * @io_throttle_enabled: I/O throttling needed or not
755 * @io_divert: Flag indicates io divert is on or off for the dev
756 * @throttle_group: Pointer to throttle group info
757 * @tgt_dev: Internal target device pointer
758 * @pend_count: Counter to track pending I/Os during error
761 struct mpi3mr_stgt_priv_data {
762 struct scsi_target *starget;
770 u8 io_throttle_enabled;
772 struct mpi3mr_throttle_group_info *throttle_group;
773 struct mpi3mr_tgt_dev *tgt_dev;
778 * struct mpi3mr_stgt_priv_data - SCSI device private structure
780 * @tgt_priv_data: Scsi_target private data pointer
781 * @lun_id: LUN ID of the device
782 * @ncq_prio_enable: NCQ priority enable for SATA device
783 * @pend_count: Counter to track pending I/Os during error
786 struct mpi3mr_sdev_priv_data {
787 struct mpi3mr_stgt_priv_data *tgt_priv_data;
794 * struct mpi3mr_drv_cmd - Internal command tracker
796 * @mutex: Command mutex
797 * @done: Completeor for wakeup
798 * @reply: Firmware reply for internal commands
799 * @sensebuf: Sensebuf for SCSI IO commands
800 * @iou_rc: IO Unit control reason code
801 * @state: Command State
802 * @dev_handle: Firmware handle for device specific commands
803 * @ioc_status: IOC status from the firmware
804 * @ioc_loginfo:IOC log info from the firmware
805 * @is_waiting: Is the command issued in block mode
806 * @is_sense: Is Sense data present
807 * @retry_count: Retry count for retriable commands
808 * @host_tag: Host tag used by the command
809 * @callback: Callback for non blocking commands
811 struct mpi3mr_drv_cmd {
813 struct completion done;
826 void (*callback)(struct mpi3mr_ioc *mrioc,
827 struct mpi3mr_drv_cmd *drv_cmd);
831 * struct dma_memory_desc - memory descriptor structure to store
832 * virtual address, dma address and size for any generic dma
833 * memory allocations in the driver.
836 * @addr: virtual address
837 * @dma_addr: dma address
839 struct dma_memory_desc {
847 * struct chain_element - memory descriptor structure to store
848 * virtual and dma addresses for chain elements.
850 * @addr: virtual address
851 * @dma_addr: dma address
853 struct chain_element {
859 * struct scmd_priv - SCSI command private data
861 * @host_tag: Host tag specific to operational queue
862 * @in_lld_scope: Command in LLD scope or not
863 * @meta_sg_valid: DIX command with meta data SGL or not
864 * @scmd: SCSI Command pointer
865 * @req_q_idx: Operational request queue index
866 * @chain_idx: Chain frame index
867 * @meta_chain_idx: Chain frame index of meta data SGL
868 * @mpi3mr_scsiio_req: MPI SCSI IO request
874 struct scsi_cmnd *scmd;
878 u8 mpi3mr_scsiio_req[MPI3MR_ADMIN_REQ_FRAME_SZ];
882 * struct mpi3mr_ioc - Adapter anchor structure stored in shost
885 * @list: List pointer
886 * @pdev: PCI device pointer
887 * @shost: Scsi_Host pointer
889 * @cpu_count: Number of online CPUs
890 * @irqpoll_sleep: usleep unit used in threaded isr irqpoll
891 * @name: Controller ASCII name
892 * @driver_name: Driver ASCII name
893 * @sysif_regs: System interface registers virtual address
894 * @sysif_regs_phys: System interface registers physical address
896 * @dma_mask: DMA mask
897 * @msix_count: Number of MSIX vectors used
898 * @intr_enabled: Is interrupts enabled
899 * @num_admin_req: Number of admin requests
900 * @admin_req_q_sz: Admin request queue size
901 * @admin_req_pi: Admin request queue producer index
902 * @admin_req_ci: Admin request queue consumer index
903 * @admin_req_base: Admin request queue base virtual address
904 * @admin_req_dma: Admin request queue base dma address
905 * @admin_req_lock: Admin queue access lock
906 * @num_admin_replies: Number of admin replies
907 * @admin_reply_q_sz: Admin reply queue size
908 * @admin_reply_ci: Admin reply queue consumer index
909 * @admin_reply_ephase:Admin reply queue expected phase
910 * @admin_reply_base: Admin reply queue base virtual address
911 * @admin_reply_dma: Admin reply queue base dma address
912 * @ready_timeout: Controller ready timeout
913 * @intr_info: Interrupt cookie pointer
914 * @intr_info_count: Number of interrupt cookies
915 * @is_intr_info_set: Flag to indicate intr info is setup
916 * @num_queues: Number of operational queues
917 * @num_op_req_q: Number of operational request queues
918 * @req_qinfo: Operational request queue info pointer
919 * @num_op_reply_q: Number of operational reply queues
920 * @op_reply_qinfo: Operational reply queue info pointer
921 * @init_cmds: Command tracker for initialization commands
922 * @cfg_cmds: Command tracker for configuration requests
923 * @facts: Cached IOC facts data
924 * @op_reply_desc_sz: Operational reply descriptor size
925 * @num_reply_bufs: Number of reply buffers allocated
926 * @reply_buf_pool: Reply buffer pool
927 * @reply_buf: Reply buffer base virtual address
928 * @reply_buf_dma: Reply buffer DMA address
929 * @reply_buf_dma_max_address: Reply DMA address max limit
930 * @reply_free_qsz: Reply free queue size
931 * @reply_free_q_pool: Reply free queue pool
932 * @reply_free_q: Reply free queue base virtual address
933 * @reply_free_q_dma: Reply free queue base DMA address
934 * @reply_free_queue_lock: Reply free queue lock
935 * @reply_free_queue_host_index: Reply free queue host index
936 * @num_sense_bufs: Number of sense buffers
937 * @sense_buf_pool: Sense buffer pool
938 * @sense_buf: Sense buffer base virtual address
939 * @sense_buf_dma: Sense buffer base DMA address
940 * @sense_buf_q_sz: Sense buffer queue size
941 * @sense_buf_q_pool: Sense buffer queue pool
942 * @sense_buf_q: Sense buffer queue virtual address
943 * @sense_buf_q_dma: Sense buffer queue DMA address
944 * @sbq_lock: Sense buffer queue lock
945 * @sbq_host_index: Sense buffer queuehost index
946 * @event_masks: Event mask bitmap
947 * @fwevt_worker_name: Firmware event worker thread name
948 * @fwevt_worker_thread: Firmware event worker thread
949 * @fwevt_lock: Firmware event lock
950 * @fwevt_list: Firmware event list
951 * @watchdog_work_q_name: Fault watchdog worker thread name
952 * @watchdog_work_q: Fault watchdog worker thread
953 * @watchdog_work: Fault watchdog work
954 * @watchdog_lock: Fault watchdog lock
955 * @is_driver_loading: Is driver still loading
956 * @scan_started: Async scan started
957 * @scan_failed: Asycn scan failed
958 * @stop_drv_processing: Stop all command processing
959 * @device_refresh_on: Don't process the events until devices are refreshed
960 * @max_host_ios: Maximum host I/O count
961 * @chain_buf_count: Chain buffer count
962 * @chain_buf_pool: Chain buffer pool
963 * @chain_sgl_list: Chain SGL list
964 * @chain_bitmap: Chain buffer allocator bitmap
965 * @chain_buf_lock: Chain buffer list lock
966 * @bsg_cmds: Command tracker for BSG command
967 * @host_tm_cmds: Command tracker for task management commands
968 * @dev_rmhs_cmds: Command tracker for device removal commands
969 * @evtack_cmds: Command tracker for event ack commands
970 * @devrem_bitmap: Device removal bitmap
971 * @dev_handle_bitmap_bits: Number of bits in device handle bitmap
972 * @removepend_bitmap: Remove pending bitmap
973 * @delayed_rmhs_list: Delayed device removal list
974 * @evtack_cmds_bitmap: Event Ack bitmap
975 * @delayed_evtack_cmds_list: Delayed event acknowledgment list
976 * @ts_update_counter: Timestamp update counter
977 * @reset_in_progress: Reset in progress flag
978 * @unrecoverable: Controller unrecoverable flag
979 * @prev_reset_result: Result of previous reset
980 * @reset_mutex: Controller reset mutex
981 * @reset_waitq: Controller reset wait queue
982 * @prepare_for_reset: Prepare for reset event received
983 * @prepare_for_reset_timeout_counter: Prepare for reset timeout
984 * @prp_list_virt: NVMe encapsulated PRP list virtual base
985 * @prp_list_dma: NVMe encapsulated PRP list DMA
986 * @prp_sz: NVME encapsulated PRP list size
987 * @diagsave_timeout: Diagnostic information save timeout
988 * @logging_level: Controller debug logging level
989 * @flush_io_count: I/O count to flush after reset
990 * @current_event: Firmware event currently in process
991 * @driver_info: Driver, Kernel, OS information to firmware
992 * @change_count: Topology change count
993 * @pel_enabled: Persistent Event Log(PEL) enabled or not
994 * @pel_abort_requested: PEL abort is requested or not
995 * @pel_class: PEL Class identifier
996 * @pel_locale: PEL Locale identifier
997 * @pel_cmds: Command tracker for PEL wait command
998 * @pel_abort_cmd: Command tracker for PEL abort command
999 * @pel_newest_seqnum: Newest PEL sequenece number
1000 * @pel_seqnum_virt: PEL sequence number virtual address
1001 * @pel_seqnum_dma: PEL sequence number DMA address
1002 * @pel_seqnum_sz: PEL sequenece number size
1003 * @op_reply_q_offset: Operational reply queue offset with MSIx
1004 * @default_qcount: Total Default queues
1005 * @active_poll_qcount: Currently active poll queue count
1006 * @requested_poll_qcount: User requested poll queue count
1007 * @bsg_dev: BSG device structure
1008 * @bsg_queue: Request queue for BSG device
1009 * @stop_bsgs: Stop BSG request flag
1010 * @logdata_buf: Circular buffer to store log data entries
1011 * @logdata_buf_idx: Index of entry in buffer to store
1012 * @logdata_entry_sz: log data entry size
1013 * @pend_large_data_sz: Counter to track pending large data
1014 * @io_throttle_data_length: I/O size to track in 512b blocks
1015 * @io_throttle_high: I/O size to start throttle in 512b blocks
1016 * @io_throttle_low: I/O size to stop throttle in 512b blocks
1017 * @num_io_throttle_group: Maximum number of throttle groups
1018 * @throttle_groups: Pointer to throttle group info structures
1019 * @cfg_page: Default memory for configuration pages
1020 * @cfg_page_dma: Configuration page DMA address
1021 * @cfg_page_sz: Default configuration page memory size
1022 * @sas_transport_enabled: SAS transport enabled or not
1023 * @scsi_device_channel: Channel ID for SCSI devices
1024 * @transport_cmds: Command tracker for SAS transport commands
1025 * @sas_hba: SAS node for the controller
1026 * @sas_expander_list: SAS node list of expanders
1027 * @sas_node_lock: Lock to protect SAS node list
1028 * @hba_port_table_list: List of HBA Ports
1029 * @enclosure_list: List of Enclosure objects
1032 struct list_head list;
1033 struct pci_dev *pdev;
1034 struct Scsi_Host *shost;
1037 bool enable_segqueue;
1040 char name[MPI3MR_NAME_LENGTH];
1041 char driver_name[MPI3MR_NAME_LENGTH];
1043 volatile struct mpi3_sysif_registers __iomem *sysif_regs;
1044 resource_size_t sysif_regs_phys;
1055 void *admin_req_base;
1056 dma_addr_t admin_req_dma;
1057 spinlock_t admin_req_lock;
1059 u16 num_admin_replies;
1060 u32 admin_reply_q_sz;
1062 u8 admin_reply_ephase;
1063 void *admin_reply_base;
1064 dma_addr_t admin_reply_dma;
1068 struct mpi3mr_intr_info *intr_info;
1069 u16 intr_info_count;
1070 bool is_intr_info_set;
1074 struct op_req_qinfo *req_qinfo;
1077 struct op_reply_qinfo *op_reply_qinfo;
1079 struct mpi3mr_drv_cmd init_cmds;
1080 struct mpi3mr_drv_cmd cfg_cmds;
1081 struct mpi3mr_ioc_facts facts;
1082 u16 op_reply_desc_sz;
1085 struct dma_pool *reply_buf_pool;
1087 dma_addr_t reply_buf_dma;
1088 dma_addr_t reply_buf_dma_max_address;
1092 struct dma_pool *reply_free_q_pool;
1093 __le64 *reply_free_q;
1094 dma_addr_t reply_free_q_dma;
1095 spinlock_t reply_free_queue_lock;
1096 u32 reply_free_queue_host_index;
1099 struct dma_pool *sense_buf_pool;
1101 dma_addr_t sense_buf_dma;
1104 struct dma_pool *sense_buf_q_pool;
1105 __le64 *sense_buf_q;
1106 dma_addr_t sense_buf_q_dma;
1107 spinlock_t sbq_lock;
1109 u32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
1111 char fwevt_worker_name[MPI3MR_NAME_LENGTH];
1112 struct workqueue_struct *fwevt_worker_thread;
1113 spinlock_t fwevt_lock;
1114 struct list_head fwevt_list;
1116 char watchdog_work_q_name[20];
1117 struct workqueue_struct *watchdog_work_q;
1118 struct delayed_work watchdog_work;
1119 spinlock_t watchdog_lock;
1121 u8 is_driver_loading;
1124 u8 stop_drv_processing;
1125 u8 device_refresh_on;
1128 spinlock_t tgtdev_lock;
1129 struct list_head tgtdev_list;
1131 u32 chain_buf_count;
1132 struct dma_pool *chain_buf_pool;
1133 struct chain_element *chain_sgl_list;
1135 spinlock_t chain_buf_lock;
1137 struct mpi3mr_drv_cmd bsg_cmds;
1138 struct mpi3mr_drv_cmd host_tm_cmds;
1139 struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
1140 struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
1141 void *devrem_bitmap;
1142 u16 dev_handle_bitmap_bits;
1143 void *removepend_bitmap;
1144 struct list_head delayed_rmhs_list;
1145 void *evtack_cmds_bitmap;
1146 struct list_head delayed_evtack_cmds_list;
1148 u32 ts_update_counter;
1149 u8 reset_in_progress;
1151 int prev_reset_result;
1152 struct mutex reset_mutex;
1153 wait_queue_head_t reset_waitq;
1155 u8 prepare_for_reset;
1156 u16 prepare_for_reset_timeout_counter;
1158 void *prp_list_virt;
1159 dma_addr_t prp_list_dma;
1162 u16 diagsave_timeout;
1166 struct mpi3mr_fwevt *current_event;
1167 struct mpi3_driver_info_layout driver_info;
1171 u8 pel_abort_requested;
1174 struct mpi3mr_drv_cmd pel_cmds;
1175 struct mpi3mr_drv_cmd pel_abort_cmd;
1177 u32 pel_newest_seqnum;
1178 void *pel_seqnum_virt;
1179 dma_addr_t pel_seqnum_dma;
1182 u16 op_reply_q_offset;
1184 u16 active_poll_qcount;
1185 u16 requested_poll_qcount;
1187 struct device bsg_dev;
1188 struct request_queue *bsg_queue;
1191 u16 logdata_buf_idx;
1192 u16 logdata_entry_sz;
1194 atomic_t pend_large_data_sz;
1195 u32 io_throttle_data_length;
1196 u32 io_throttle_high;
1197 u32 io_throttle_low;
1198 u16 num_io_throttle_group;
1199 struct mpi3mr_throttle_group_info *throttle_groups;
1202 dma_addr_t cfg_page_dma;
1205 u8 sas_transport_enabled;
1206 u8 scsi_device_channel;
1207 struct mpi3mr_drv_cmd transport_cmds;
1208 struct mpi3mr_sas_node sas_hba;
1209 struct list_head sas_expander_list;
1210 spinlock_t sas_node_lock;
1211 struct list_head hba_port_table_list;
1212 struct list_head enclosure_list;
1216 * struct mpi3mr_fwevt - Firmware event structure.
1219 * @work: Work structure
1220 * @mrioc: Adapter instance reference
1221 * @event_id: MPI3 firmware event ID
1222 * @send_ack: Event acknowledgment required or not
1223 * @process_evt: Bottomhalf processing required or not
1224 * @evt_ctx: Event context to send in Ack
1225 * @event_data_size: size of the event data in bytes
1226 * @pending_at_sml: waiting for device add/remove API to complete
1227 * @discard: discard this event
1228 * @ref_count: kref count
1229 * @event_data: Actual MPI3 event data
1231 struct mpi3mr_fwevt {
1232 struct list_head list;
1233 struct work_struct work;
1234 struct mpi3mr_ioc *mrioc;
1239 u16 event_data_size;
1240 bool pending_at_sml;
1242 struct kref ref_count;
1243 char event_data[] __aligned(4);
1248 * struct delayed_dev_rmhs_node - Delayed device removal node
1251 * @handle: Device handle
1252 * @iou_rc: IO Unit Control Reason Code
1254 struct delayed_dev_rmhs_node {
1255 struct list_head list;
1261 * struct delayed_evt_ack_node - Delayed event ack node
1263 * @event: MPI3 event ID
1264 * @event_ctx: event context
1266 struct delayed_evt_ack_node {
1267 struct list_head list;
1272 int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc);
1273 void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc);
1274 int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc);
1275 int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume);
1276 void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc);
1277 int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async);
1278 int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
1279 u16 admin_req_sz, u8 ignore_reset);
1280 int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
1281 struct op_req_qinfo *opreqq, u8 *req);
1282 void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
1283 dma_addr_t dma_addr);
1284 void mpi3mr_build_zero_len_sge(void *paddr);
1285 void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
1286 dma_addr_t phys_addr);
1287 void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
1288 dma_addr_t phys_addr);
1289 void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
1292 void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc);
1293 void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc);
1294 void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
1295 struct mpi3_event_notification_reply *event_reply);
1296 void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
1297 struct mpi3_default_reply_descriptor *reply_desc,
1298 u64 *reply_dma, u16 qidx);
1299 void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc);
1300 void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc);
1302 int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
1303 u32 reset_reason, u8 snapdump);
1304 void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc);
1305 void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc);
1307 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc);
1308 int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
1311 void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout);
1312 void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc);
1313 void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc);
1314 void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc);
1315 void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc);
1316 void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc);
1317 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1318 void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc);
1319 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1320 int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
1321 struct op_reply_qinfo *op_reply_q);
1322 int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
1323 void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc);
1324 void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc);
1325 int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
1326 u16 handle, uint lun, u16 htag, ulong timeout,
1327 struct mpi3mr_drv_cmd *drv_cmd,
1328 u8 *resp_code, struct scsi_cmnd *scmd);
1329 struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle(
1330 struct mpi3mr_ioc *mrioc, u16 handle);
1331 void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc,
1332 struct mpi3mr_drv_cmd *drv_cmd);
1333 int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
1334 struct mpi3mr_drv_cmd *drv_cmd);
1335 void mpi3mr_app_save_logdata(struct mpi3mr_ioc *mrioc, char *event_data,
1336 u16 event_data_size);
1337 struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
1338 struct mpi3mr_ioc *mrioc, u16 handle);
1339 extern const struct attribute_group *mpi3mr_host_groups[];
1340 extern const struct attribute_group *mpi3mr_dev_groups[];
1342 extern struct sas_function_template mpi3mr_transport_functions;
1343 extern struct scsi_transport_template *mpi3mr_transport_template;
1345 int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1346 struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec);
1347 int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1348 struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form,
1350 int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1351 struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form,
1353 int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1354 struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form,
1356 int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1357 struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form,
1359 int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1360 struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form,
1362 int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc,
1363 struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz);
1364 int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1365 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1366 int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1367 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1368 int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
1369 struct mpi3_driver_page1 *driver_pg1, u16 pg_sz);
1371 u8 mpi3mr_is_expander_device(u16 device_info);
1372 int mpi3mr_expander_add(struct mpi3mr_ioc *mrioc, u16 handle);
1373 void mpi3mr_expander_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
1374 struct mpi3mr_hba_port *hba_port);
1375 struct mpi3mr_sas_node *__mpi3mr_expander_find_by_handle(struct mpi3mr_ioc
1376 *mrioc, u16 handle);
1377 struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
1379 void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc);
1380 void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc);
1381 void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
1382 u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
1383 struct mpi3mr_hba_port *hba_port);
1384 void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
1385 struct mpi3mr_tgt_dev *tgtdev);
1386 int mpi3mr_report_tgtdev_to_sas_transport(struct mpi3mr_ioc *mrioc,
1387 struct mpi3mr_tgt_dev *tgtdev);
1388 void mpi3mr_remove_tgtdev_from_sas_transport(struct mpi3mr_ioc *mrioc,
1389 struct mpi3mr_tgt_dev *tgtdev);
1390 struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr_and_rphy(
1391 struct mpi3mr_ioc *mrioc, u64 sas_address, struct sas_rphy *rphy);
1392 void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
1394 void mpi3mr_refresh_sas_ports(struct mpi3mr_ioc *mrioc);
1395 void mpi3mr_refresh_expanders(struct mpi3mr_ioc *mrioc);
1396 void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc);
1397 void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc);
1398 void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc);
1399 void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc);
1400 #endif /*MPI3MR_H_INCLUDED*/