1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Driver for Broadcom MPI3 Storage Controllers
5 * Copyright (C) 2017-2022 Broadcom Inc.
6 * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
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>
41 #include <uapi/scsi/scsi_bsg_mpi3mr.h>
42 #include <scsi/scsi_transport_sas.h>
44 #include "mpi/mpi30_transport.h"
45 #include "mpi/mpi30_cnfg.h"
46 #include "mpi/mpi30_image.h"
47 #include "mpi/mpi30_init.h"
48 #include "mpi/mpi30_ioc.h"
49 #include "mpi/mpi30_sas.h"
50 #include "mpi/mpi30_pci.h"
51 #include "mpi3mr_debug.h"
53 /* Global list and lock for storing multiple adapters managed by the driver */
54 extern spinlock_t mrioc_list_lock;
55 extern struct list_head mrioc_list;
57 extern atomic64_t event_counter;
59 #define MPI3MR_DRIVER_VERSION "8.0.0.69.0"
60 #define MPI3MR_DRIVER_RELDATE "16-March-2022"
62 #define MPI3MR_DRIVER_NAME "mpi3mr"
63 #define MPI3MR_DRIVER_LICENSE "GPL"
64 #define MPI3MR_DRIVER_AUTHOR "Broadcom Inc. <mpi3mr-linuxdrv.pdl@broadcom.com>"
65 #define MPI3MR_DRIVER_DESC "MPI3 Storage Controller Device Driver"
67 #define MPI3MR_NAME_LENGTH 32
68 #define IOCNAME "%s: "
70 #define MPI3MR_MAX_SECTORS 2048
72 /* Definitions for internal SGL and Chain SGL buffers */
73 #define MPI3MR_PAGE_SIZE_4K 4096
74 #define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common))
76 /* Definitions for MAX values for shost */
77 #define MPI3MR_MAX_CMDS_LUN 128
78 #define MPI3MR_MAX_CDB_LENGTH 32
80 /* Admin queue management definitions */
81 #define MPI3MR_ADMIN_REQ_Q_SIZE (2 * MPI3MR_PAGE_SIZE_4K)
82 #define MPI3MR_ADMIN_REPLY_Q_SIZE (4 * MPI3MR_PAGE_SIZE_4K)
83 #define MPI3MR_ADMIN_REQ_FRAME_SZ 128
84 #define MPI3MR_ADMIN_REPLY_FRAME_SZ 16
86 /* Operational queue management definitions */
87 #define MPI3MR_OP_REQ_Q_QD 512
88 #define MPI3MR_OP_REP_Q_QD 1024
89 #define MPI3MR_OP_REP_Q_QD4K 4096
90 #define MPI3MR_OP_REQ_Q_SEG_SIZE 4096
91 #define MPI3MR_OP_REP_Q_SEG_SIZE 4096
92 #define MPI3MR_MAX_SEG_LIST_SIZE 4096
94 /* Reserved Host Tag definitions */
95 #define MPI3MR_HOSTTAG_INVALID 0xFFFF
96 #define MPI3MR_HOSTTAG_INITCMDS 1
97 #define MPI3MR_HOSTTAG_BSG_CMDS 2
98 #define MPI3MR_HOSTTAG_PEL_ABORT 3
99 #define MPI3MR_HOSTTAG_PEL_WAIT 4
100 #define MPI3MR_HOSTTAG_BLK_TMS 5
101 #define MPI3MR_HOSTTAG_CFG_CMDS 6
102 #define MPI3MR_HOSTTAG_TRANSPORT_CMDS 7
104 #define MPI3MR_NUM_DEVRMCMD 16
105 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN (MPI3MR_HOSTTAG_TRANSPORT_CMDS + 1)
106 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
107 MPI3MR_NUM_DEVRMCMD - 1)
109 #define MPI3MR_INTERNAL_CMDS_RESVD MPI3MR_HOSTTAG_DEVRMCMD_MAX
110 #define MPI3MR_NUM_EVTACKCMD 4
111 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN (MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
112 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX (MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
113 MPI3MR_NUM_EVTACKCMD - 1)
115 /* Reduced resource count definition for crash kernel */
116 #define MPI3MR_HOST_IOS_KDUMP 128
118 /* command/controller interaction timeout definitions in seconds */
119 #define MPI3MR_INTADMCMD_TIMEOUT 60
120 #define MPI3MR_PORTENABLE_TIMEOUT 300
121 #define MPI3MR_PORTENABLE_POLL_INTERVAL 5
122 #define MPI3MR_ABORTTM_TIMEOUT 60
123 #define MPI3MR_RESETTM_TIMEOUT 60
124 #define MPI3MR_RESET_HOST_IOWAIT_TIMEOUT 5
125 #define MPI3MR_TSUPDATE_INTERVAL 900
126 #define MPI3MR_DEFAULT_SHUTDOWN_TIME 120
127 #define MPI3MR_RAID_ERRREC_RESET_TIMEOUT 180
128 #define MPI3MR_PREPARE_FOR_RESET_TIMEOUT 180
129 #define MPI3MR_RESET_ACK_TIMEOUT 30
131 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
133 #define MPI3MR_DEFAULT_CFG_PAGE_SZ 1024 /* in bytes */
135 #define MPI3MR_SCMD_TIMEOUT (60 * HZ)
136 #define MPI3MR_EH_SCMD_TIMEOUT (60 * HZ)
138 /* Internal admin command state definitions*/
139 #define MPI3MR_CMD_NOTUSED 0x8000
140 #define MPI3MR_CMD_COMPLETE 0x0001
141 #define MPI3MR_CMD_PENDING 0x0002
142 #define MPI3MR_CMD_REPLY_VALID 0x0004
143 #define MPI3MR_CMD_RESET 0x0008
145 /* Definitions for Event replies and sense buffer allocated per controller */
146 #define MPI3MR_NUM_EVT_REPLIES 64
147 #define MPI3MR_SENSE_BUF_SZ 256
148 #define MPI3MR_SENSEBUF_FACTOR 3
149 #define MPI3MR_CHAINBUF_FACTOR 3
150 #define MPI3MR_CHAINBUFDIX_FACTOR 2
152 /* Invalid target device handle */
153 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
155 /* Controller Reset related definitions */
156 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT 5
157 #define MPI3MR_MAX_RESET_RETRY_COUNT 3
159 /* ResponseCode definitions */
160 #define MPI3MR_RI_MASK_RESPCODE (0x000000FF)
161 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
162 MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
164 #define MPI3MR_DEFAULT_MDTS (128 * 1024)
165 #define MPI3MR_DEFAULT_PGSZEXP (12)
167 /* Command retry count definitions */
168 #define MPI3MR_DEV_RMHS_RETRY_COUNT 3
169 #define MPI3MR_PEL_RETRY_COUNT 3
171 /* Default target device queue depth */
172 #define MPI3MR_DEFAULT_SDEV_QD 32
174 /* Definitions for Threaded IRQ poll*/
175 #define MPI3MR_IRQ_POLL_SLEEP 2
176 #define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
178 /* Definitions for the controller security status*/
179 #define MPI3MR_CTLR_SECURITY_STATUS_MASK 0x0C
180 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0x02
182 #define MPI3MR_INVALID_DEVICE 0x00
183 #define MPI3MR_CONFIG_SECURE_DEVICE 0x04
184 #define MPI3MR_HARD_SECURE_DEVICE 0x08
185 #define MPI3MR_TAMPERED_DEVICE 0x0C
187 /* SGE Flag definition */
188 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
189 (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
190 MPI3_SGE_FLAGS_END_OF_LIST)
192 /* MSI Index from Reply Queue Index */
193 #define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset)
196 * Maximum data transfer size definitions for management
197 * application commands
199 #define MPI3MR_MAX_APP_XFER_SIZE (1 * 1024 * 1024)
200 #define MPI3MR_MAX_APP_XFER_SEGMENTS 512
202 * 2048 sectors are for data buffers and additional 512 sectors for
205 #define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512)
208 * struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
209 * Encapsulated commands.
211 * @base_addr: Physical address
212 * @length: SGE length
215 * @sgl_type: sgl type
217 struct mpi3mr_nvme_pt_sge {
226 * struct mpi3mr_buf_map - local structure to
227 * track kernel and user buffers associated with an BSG
230 * @bsg_buf: BSG buffer virtual address
231 * @bsg_buf_len: BSG buffer length
232 * @kern_buf: Kernel buffer virtual address
233 * @kern_buf_len: Kernel buffer length
234 * @kern_buf_dma: Kernel buffer DMA address
235 * @data_dir: Data direction.
237 struct mpi3mr_buf_map {
242 dma_addr_t kern_buf_dma;
246 /* IOC State definitions */
247 enum mpi3mr_iocstate {
248 MRIOC_STATE_READY = 1,
251 MRIOC_STATE_BECOMING_READY,
252 MRIOC_STATE_RESET_REQUESTED,
253 MRIOC_STATE_UNRECOVERABLE,
256 /* Reset reason code definitions*/
257 enum mpi3mr_reset_reason {
258 MPI3MR_RESET_FROM_BRINGUP = 1,
259 MPI3MR_RESET_FROM_FAULT_WATCH = 2,
260 MPI3MR_RESET_FROM_APP = 3,
261 MPI3MR_RESET_FROM_EH_HOS = 4,
262 MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
263 MPI3MR_RESET_FROM_APP_TIMEOUT = 6,
264 MPI3MR_RESET_FROM_MUR_FAILURE = 7,
265 MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
266 MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
267 MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
268 MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
269 MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
270 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
271 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
272 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
273 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
274 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
275 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
276 MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
277 MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
278 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
279 MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
280 MPI3MR_RESET_FROM_SYSFS = 23,
281 MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
282 MPI3MR_RESET_FROM_FIRMWARE = 27,
283 MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29,
284 MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30,
287 /* Queue type definitions */
289 MPI3MR_DEFAULT_QUEUE = 0,
294 * struct mpi3mr_compimg_ver - replica of component image
295 * version defined in mpi30_image.h in host endianness
298 struct mpi3mr_compimg_ver {
308 * struct mpi3mr_ioc_facs - replica of component image version
309 * defined in mpi30_ioc.h in host endianness
312 struct mpi3mr_ioc_facts {
313 u32 ioc_capabilities;
314 struct mpi3mr_compimg_ver fw_ver;
323 u16 max_sasexpanders;
324 u16 max_sasinitiators;
326 u16 max_pcie_switches;
336 u16 shutdown_timeout;
339 u16 max_msix_vectors;
347 u16 max_io_throttle_group;
348 u16 io_throttle_data_length;
350 u16 io_throttle_high;
355 * struct segments - memory descriptor structure to store
356 * virtual and dma addresses for operational queue segments.
358 * @segment: virtual address
359 * @segment_dma: dma address
363 dma_addr_t segment_dma;
367 * struct op_req_qinfo - Operational Request Queue Information
369 * @ci: consumer index
370 * @pi: producer index
371 * @num_request: Maximum number of entries in the queue
372 * @qid: Queue Id starting from 1
373 * @reply_qid: Associated reply queue Id
374 * @num_segments: Number of discontiguous memory segments
375 * @segment_qd: Depth of each segments
376 * @q_lock: Concurrent queue access lock
377 * @q_segments: Segment descriptor pointer
378 * @q_segment_list: Segment list base virtual address
379 * @q_segment_list_dma: Segment list base DMA address
381 struct op_req_qinfo {
390 struct segments *q_segments;
391 void *q_segment_list;
392 dma_addr_t q_segment_list_dma;
396 * struct op_reply_qinfo - Operational Reply Queue Information
398 * @ci: consumer index
399 * @qid: Queue Id starting from 1
400 * @num_replies: Maximum number of entries in the queue
401 * @num_segments: Number of discontiguous memory segments
402 * @segment_qd: Depth of each segments
403 * @q_segments: Segment descriptor pointer
404 * @q_segment_list: Segment list base virtual address
405 * @q_segment_list_dma: Segment list base DMA address
406 * @ephase: Expected phased identifier for the reply queue
407 * @pend_ios: Number of IOs pending in HW for this queue
408 * @enable_irq_poll: Flag to indicate polling is enabled
409 * @in_use: Queue is handled by poll/ISR
410 * @qtype: Type of queue (types defined in enum queue_type)
412 struct op_reply_qinfo {
418 struct segments *q_segments;
419 void *q_segment_list;
420 dma_addr_t q_segment_list_dma;
423 bool enable_irq_poll;
425 enum queue_type qtype;
429 * struct mpi3mr_intr_info - Interrupt cookie information
431 * @mrioc: Adapter instance reference
432 * @msix_index: MSIx index
433 * @op_reply_q: Associated operational reply queue
434 * @name: Dev name for the irq claiming device
436 struct mpi3mr_intr_info {
437 struct mpi3mr_ioc *mrioc;
439 struct op_reply_qinfo *op_reply_q;
440 char name[MPI3MR_NAME_LENGTH];
444 * struct mpi3mr_throttle_group_info - Throttle group info
446 * @io_divert: Flag indicates io divert is on or off for the TG
447 * @need_qd_reduction: Flag to indicate QD reduction is needed
448 * @qd_reduction: Queue Depth reduction in units of 10%
449 * @fw_qd: QueueDepth value reported by the firmware
450 * @modified_qd: Modified QueueDepth value due to throttling
451 * @id: Throttle Group ID.
452 * @high: High limit to turn on throttling in 512 byte blocks
453 * @low: Low limit to turn off throttling in 512 byte blocks
454 * @pend_large_data_sz: Counter to track pending large data
456 struct mpi3mr_throttle_group_info {
458 u8 need_qd_reduction;
465 atomic_t pend_large_data_sz;
469 #define MPI3MR_HBA_PORT_FLAG_DIRTY 0x01
472 * struct mpi3mr_hba_port - HBA's port information
473 * @port_id: Port number
474 * @flags: HBA port flags
476 struct mpi3mr_hba_port {
477 struct list_head list;
483 * struct mpi3mr_sas_port - Internal SAS port information
484 * @port_list: List of ports belonging to a SAS node
485 * @num_phys: Number of phys associated with port
486 * @marked_responding: used while refresing the sas ports
487 * @lowest_phy: lowest phy ID of current sas port
488 * @phy_mask: phy_mask of current sas port
489 * @hba_port: HBA port entry
490 * @remote_identify: Attached device identification
491 * @rphy: SAS transport layer rphy object
492 * @port: SAS transport layer port object
493 * @phy_list: mpi3mr_sas_phy objects belonging to this port
495 struct mpi3mr_sas_port {
496 struct list_head port_list;
498 u8 marked_responding;
501 struct mpi3mr_hba_port *hba_port;
502 struct sas_identify remote_identify;
503 struct sas_rphy *rphy;
504 struct sas_port *port;
505 struct list_head phy_list;
509 * struct mpi3mr_sas_phy - Internal SAS Phy information
510 * @port_siblings: List of phys belonging to a port
511 * @identify: Phy identification
512 * @remote_identify: Attached device identification
513 * @phy: SAS transport layer Phy object
514 * @phy_id: Unique phy id within a port
515 * @handle: Firmware device handle for this phy
516 * @attached_handle: Firmware device handle for attached device
517 * @phy_belongs_to_port: Flag to indicate phy belongs to port
518 @hba_port: HBA port entry
520 struct mpi3mr_sas_phy {
521 struct list_head port_siblings;
522 struct sas_identify identify;
523 struct sas_identify remote_identify;
528 u8 phy_belongs_to_port;
529 struct mpi3mr_hba_port *hba_port;
533 * struct mpi3mr_sas_node - SAS host/expander information
534 * @list: List of sas nodes in a controller
535 * @parent_dev: Parent device class
536 * @num_phys: Number phys belonging to sas_node
537 * @sas_address: SAS address of sas_node
538 * @handle: Firmware device handle for this sas_host/expander
539 * @sas_address_parent: SAS address of parent expander or host
540 * @enclosure_handle: Firmware handle of enclosure of this node
541 * @device_info: Capabilities of this sas_host/expander
542 * @non_responding: used to refresh the expander devices during reset
543 * @host_node: Flag to indicate this is a host_node
544 * @hba_port: HBA port entry
545 * @phy: A list of phys that make up this sas_host/expander
546 * @sas_port_list: List of internal ports of this node
547 * @rphy: sas_rphy object of this expander node
549 struct mpi3mr_sas_node {
550 struct list_head list;
551 struct device *parent_dev;
555 u64 sas_address_parent;
556 u16 enclosure_handle;
557 u64 enclosure_logical_id;
560 struct mpi3mr_hba_port *hba_port;
561 struct mpi3mr_sas_phy *phy;
562 struct list_head sas_port_list;
563 struct sas_rphy *rphy;
567 * struct mpi3mr_enclosure_node - enclosure information
568 * @list: List of enclosures
569 * @pg0: Enclosure page 0;
571 struct mpi3mr_enclosure_node {
572 struct list_head list;
573 struct mpi3_enclosure_page0 pg0;
577 * struct tgt_dev_sas_sata - SAS/SATA device specific
578 * information cached from firmware given data
580 * @sas_address: World wide unique SAS address
581 * @sas_address_parent: Sas address of parent expander or host
582 * @dev_info: Device information bits
583 * @phy_id: Phy identifier provided in device page 0
584 * @attached_phy_id: Attached phy identifier provided in device page 0
585 * @sas_transport_attached: Is this device exposed to transport
586 * @pend_sas_rphy_add: Flag to check device is in process of add
587 * @hba_port: HBA port entry
588 * @rphy: SAS transport layer rphy object
590 struct tgt_dev_sas_sata {
592 u64 sas_address_parent;
596 u8 sas_transport_attached;
597 u8 pend_sas_rphy_add;
598 struct mpi3mr_hba_port *hba_port;
599 struct sas_rphy *rphy;
603 * struct tgt_dev_pcie - PCIe device specific information cached
604 * from firmware given data
606 * @mdts: Maximum data transfer size
607 * @capb: Device capabilities
608 * @pgsz: Device page size
609 * @abort_to: Timeout for abort TM
610 * @reset_to: Timeout for Target/LUN reset TM
611 * @dev_info: Device information bits
613 struct tgt_dev_pcie {
623 * struct tgt_dev_vd - virtual device specific information
624 * cached from firmware given data
626 * @state: State of the VD
627 * @tg_qd_reduction: Queue Depth reduction in units of 10%
628 * @tg_id: VDs throttle group ID
629 * @high: High limit to turn on throttling in 512 byte blocks
630 * @low: Low limit to turn off throttling in 512 byte blocks
631 * @tg: Pointer to throttle group info
639 struct mpi3mr_throttle_group_info *tg;
644 * union _form_spec_inf - union of device specific information
646 union _form_spec_inf {
647 struct tgt_dev_sas_sata sas_sata_inf;
648 struct tgt_dev_pcie pcie_inf;
649 struct tgt_dev_vd vd_inf;
655 * struct mpi3mr_tgt_dev - target device data structure
657 * @list: List pointer
658 * @starget: Scsi_target pointer
659 * @dev_handle: FW device handle
660 * @parent_handle: FW parent device handle
662 * @encl_handle: FW enclosure handle
663 * @perst_id: FW assigned Persistent ID
664 * @devpg0_flag: Device Page0 flag
665 * @dev_type: SAS/SATA/PCIE device type
666 * @is_hidden: Should be exposed to upper layers or not
667 * @host_exposed: Already exposed to host or not
668 * @io_unit_port: IO Unit port ID
669 * @non_stl: Is this device not to be attached with SAS TL
670 * @io_throttle_enabled: I/O throttling needed or not
671 * @q_depth: Device specific Queue Depth
672 * @wwid: World wide ID
673 * @enclosure_logical_id: Enclosure logical identifier
674 * @dev_spec: Device type specific information
675 * @ref_count: Reference count
677 struct mpi3mr_tgt_dev {
678 struct list_head list;
679 struct scsi_target *starget;
691 u8 io_throttle_enabled;
694 u64 enclosure_logical_id;
695 union _form_spec_inf dev_spec;
696 struct kref ref_count;
700 * mpi3mr_tgtdev_get - k reference incrementor
701 * @s: Target device reference
703 * Increment target device reference count.
705 static inline void mpi3mr_tgtdev_get(struct mpi3mr_tgt_dev *s)
707 kref_get(&s->ref_count);
711 * mpi3mr_free_tgtdev - target device memory dealloctor
712 * @r: k reference pointer of the target device
714 * Free target device memory when no reference.
716 static inline void mpi3mr_free_tgtdev(struct kref *r)
718 kfree(container_of(r, struct mpi3mr_tgt_dev, ref_count));
722 * mpi3mr_tgtdev_put - k reference decrementor
723 * @s: Target device reference
725 * Decrement target device reference count.
727 static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
729 kref_put(&s->ref_count, mpi3mr_free_tgtdev);
734 * struct mpi3mr_stgt_priv_data - SCSI target private structure
736 * @starget: Scsi_target pointer
737 * @dev_handle: FW device handle
738 * @perst_id: FW assigned Persistent ID
739 * @num_luns: Number of Logical Units
740 * @block_io: I/O blocked to the device or not
741 * @dev_removed: Device removed in the Firmware
742 * @dev_removedelay: Device is waiting to be removed in FW
743 * @dev_type: Device type
744 * @io_throttle_enabled: I/O throttling needed or not
745 * @io_divert: Flag indicates io divert is on or off for the dev
746 * @throttle_group: Pointer to throttle group info
747 * @tgt_dev: Internal target device pointer
748 * @pend_count: Counter to track pending I/Os during error
751 struct mpi3mr_stgt_priv_data {
752 struct scsi_target *starget;
760 u8 io_throttle_enabled;
762 struct mpi3mr_throttle_group_info *throttle_group;
763 struct mpi3mr_tgt_dev *tgt_dev;
768 * struct mpi3mr_stgt_priv_data - SCSI device private structure
770 * @tgt_priv_data: Scsi_target private data pointer
771 * @lun_id: LUN ID of the device
772 * @ncq_prio_enable: NCQ priority enable for SATA device
773 * @pend_count: Counter to track pending I/Os during error
776 struct mpi3mr_sdev_priv_data {
777 struct mpi3mr_stgt_priv_data *tgt_priv_data;
784 * struct mpi3mr_drv_cmd - Internal command tracker
786 * @mutex: Command mutex
787 * @done: Completeor for wakeup
788 * @reply: Firmware reply for internal commands
789 * @sensebuf: Sensebuf for SCSI IO commands
790 * @iou_rc: IO Unit control reason code
791 * @state: Command State
792 * @dev_handle: Firmware handle for device specific commands
793 * @ioc_status: IOC status from the firmware
794 * @ioc_loginfo:IOC log info from the firmware
795 * @is_waiting: Is the command issued in block mode
796 * @is_sense: Is Sense data present
797 * @retry_count: Retry count for retriable commands
798 * @host_tag: Host tag used by the command
799 * @callback: Callback for non blocking commands
801 struct mpi3mr_drv_cmd {
803 struct completion done;
816 void (*callback)(struct mpi3mr_ioc *mrioc,
817 struct mpi3mr_drv_cmd *drv_cmd);
821 * struct dma_memory_desc - memory descriptor structure to store
822 * virtual address, dma address and size for any generic dma
823 * memory allocations in the driver.
826 * @addr: virtual address
827 * @dma_addr: dma address
829 struct dma_memory_desc {
837 * struct chain_element - memory descriptor structure to store
838 * virtual and dma addresses for chain elements.
840 * @addr: virtual address
841 * @dma_addr: dma address
843 struct chain_element {
849 * struct scmd_priv - SCSI command private data
851 * @host_tag: Host tag specific to operational queue
852 * @in_lld_scope: Command in LLD scope or not
853 * @meta_sg_valid: DIX command with meta data SGL or not
854 * @scmd: SCSI Command pointer
855 * @req_q_idx: Operational request queue index
856 * @chain_idx: Chain frame index
857 * @meta_chain_idx: Chain frame index of meta data SGL
858 * @mpi3mr_scsiio_req: MPI SCSI IO request
864 struct scsi_cmnd *scmd;
868 u8 mpi3mr_scsiio_req[MPI3MR_ADMIN_REQ_FRAME_SZ];
872 * struct mpi3mr_ioc - Adapter anchor structure stored in shost
875 * @list: List pointer
876 * @pdev: PCI device pointer
877 * @shost: Scsi_Host pointer
879 * @cpu_count: Number of online CPUs
880 * @irqpoll_sleep: usleep unit used in threaded isr irqpoll
881 * @name: Controller ASCII name
882 * @driver_name: Driver ASCII name
883 * @sysif_regs: System interface registers virtual address
884 * @sysif_regs_phys: System interface registers physical address
886 * @dma_mask: DMA mask
887 * @msix_count: Number of MSIX vectors used
888 * @intr_enabled: Is interrupts enabled
889 * @num_admin_req: Number of admin requests
890 * @admin_req_q_sz: Admin request queue size
891 * @admin_req_pi: Admin request queue producer index
892 * @admin_req_ci: Admin request queue consumer index
893 * @admin_req_base: Admin request queue base virtual address
894 * @admin_req_dma: Admin request queue base dma address
895 * @admin_req_lock: Admin queue access lock
896 * @num_admin_replies: Number of admin replies
897 * @admin_reply_q_sz: Admin reply queue size
898 * @admin_reply_ci: Admin reply queue consumer index
899 * @admin_reply_ephase:Admin reply queue expected phase
900 * @admin_reply_base: Admin reply queue base virtual address
901 * @admin_reply_dma: Admin reply queue base dma address
902 * @ready_timeout: Controller ready timeout
903 * @intr_info: Interrupt cookie pointer
904 * @intr_info_count: Number of interrupt cookies
905 * @is_intr_info_set: Flag to indicate intr info is setup
906 * @num_queues: Number of operational queues
907 * @num_op_req_q: Number of operational request queues
908 * @req_qinfo: Operational request queue info pointer
909 * @num_op_reply_q: Number of operational reply queues
910 * @op_reply_qinfo: Operational reply queue info pointer
911 * @init_cmds: Command tracker for initialization commands
912 * @cfg_cmds: Command tracker for configuration requests
913 * @facts: Cached IOC facts data
914 * @op_reply_desc_sz: Operational reply descriptor size
915 * @num_reply_bufs: Number of reply buffers allocated
916 * @reply_buf_pool: Reply buffer pool
917 * @reply_buf: Reply buffer base virtual address
918 * @reply_buf_dma: Reply buffer DMA address
919 * @reply_buf_dma_max_address: Reply DMA address max limit
920 * @reply_free_qsz: Reply free queue size
921 * @reply_free_q_pool: Reply free queue pool
922 * @reply_free_q: Reply free queue base virtual address
923 * @reply_free_q_dma: Reply free queue base DMA address
924 * @reply_free_queue_lock: Reply free queue lock
925 * @reply_free_queue_host_index: Reply free queue host index
926 * @num_sense_bufs: Number of sense buffers
927 * @sense_buf_pool: Sense buffer pool
928 * @sense_buf: Sense buffer base virtual address
929 * @sense_buf_dma: Sense buffer base DMA address
930 * @sense_buf_q_sz: Sense buffer queue size
931 * @sense_buf_q_pool: Sense buffer queue pool
932 * @sense_buf_q: Sense buffer queue virtual address
933 * @sense_buf_q_dma: Sense buffer queue DMA address
934 * @sbq_lock: Sense buffer queue lock
935 * @sbq_host_index: Sense buffer queuehost index
936 * @event_masks: Event mask bitmap
937 * @fwevt_worker_name: Firmware event worker thread name
938 * @fwevt_worker_thread: Firmware event worker thread
939 * @fwevt_lock: Firmware event lock
940 * @fwevt_list: Firmware event list
941 * @watchdog_work_q_name: Fault watchdog worker thread name
942 * @watchdog_work_q: Fault watchdog worker thread
943 * @watchdog_work: Fault watchdog work
944 * @watchdog_lock: Fault watchdog lock
945 * @is_driver_loading: Is driver still loading
946 * @scan_started: Async scan started
947 * @scan_failed: Asycn scan failed
948 * @stop_drv_processing: Stop all command processing
949 * @device_refresh_on: Don't process the events until devices are refreshed
950 * @max_host_ios: Maximum host I/O count
951 * @chain_buf_count: Chain buffer count
952 * @chain_buf_pool: Chain buffer pool
953 * @chain_sgl_list: Chain SGL list
954 * @chain_bitmap_sz: Chain buffer allocator bitmap size
955 * @chain_bitmap: Chain buffer allocator bitmap
956 * @chain_buf_lock: Chain buffer list lock
957 * @bsg_cmds: Command tracker for BSG command
958 * @host_tm_cmds: Command tracker for task management commands
959 * @dev_rmhs_cmds: Command tracker for device removal commands
960 * @evtack_cmds: Command tracker for event ack commands
961 * @devrem_bitmap_sz: Device removal bitmap size
962 * @devrem_bitmap: Device removal bitmap
963 * @dev_handle_bitmap_sz: Device handle bitmap size
964 * @removepend_bitmap: Remove pending bitmap
965 * @delayed_rmhs_list: Delayed device removal list
966 * @evtack_cmds_bitmap_sz: Event Ack bitmap size
967 * @evtack_cmds_bitmap: Event Ack bitmap
968 * @delayed_evtack_cmds_list: Delayed event acknowledgment list
969 * @ts_update_counter: Timestamp update counter
970 * @reset_in_progress: Reset in progress flag
971 * @unrecoverable: Controller unrecoverable flag
972 * @prev_reset_result: Result of previous reset
973 * @reset_mutex: Controller reset mutex
974 * @reset_waitq: Controller reset wait queue
975 * @prepare_for_reset: Prepare for reset event received
976 * @prepare_for_reset_timeout_counter: Prepare for reset timeout
977 * @prp_list_virt: NVMe encapsulated PRP list virtual base
978 * @prp_list_dma: NVMe encapsulated PRP list DMA
979 * @prp_sz: NVME encapsulated PRP list size
980 * @diagsave_timeout: Diagnostic information save timeout
981 * @logging_level: Controller debug logging level
982 * @flush_io_count: I/O count to flush after reset
983 * @current_event: Firmware event currently in process
984 * @driver_info: Driver, Kernel, OS information to firmware
985 * @change_count: Topology change count
986 * @pel_enabled: Persistent Event Log(PEL) enabled or not
987 * @pel_abort_requested: PEL abort is requested or not
988 * @pel_class: PEL Class identifier
989 * @pel_locale: PEL Locale identifier
990 * @pel_cmds: Command tracker for PEL wait command
991 * @pel_abort_cmd: Command tracker for PEL abort command
992 * @pel_newest_seqnum: Newest PEL sequenece number
993 * @pel_seqnum_virt: PEL sequence number virtual address
994 * @pel_seqnum_dma: PEL sequence number DMA address
995 * @pel_seqnum_sz: PEL sequenece number size
996 * @op_reply_q_offset: Operational reply queue offset with MSIx
997 * @default_qcount: Total Default queues
998 * @active_poll_qcount: Currently active poll queue count
999 * @requested_poll_qcount: User requested poll queue count
1000 * @bsg_dev: BSG device structure
1001 * @bsg_queue: Request queue for BSG device
1002 * @stop_bsgs: Stop BSG request flag
1003 * @logdata_buf: Circular buffer to store log data entries
1004 * @logdata_buf_idx: Index of entry in buffer to store
1005 * @logdata_entry_sz: log data entry size
1006 * @pend_large_data_sz: Counter to track pending large data
1007 * @io_throttle_data_length: I/O size to track in 512b blocks
1008 * @io_throttle_high: I/O size to start throttle in 512b blocks
1009 * @io_throttle_low: I/O size to stop throttle in 512b blocks
1010 * @num_io_throttle_group: Maximum number of throttle groups
1011 * @throttle_groups: Pointer to throttle group info structures
1012 * @cfg_page: Default memory for configuration pages
1013 * @cfg_page_dma: Configuration page DMA address
1014 * @cfg_page_sz: Default configuration page memory size
1015 * @sas_transport_enabled: SAS transport enabled or not
1016 * @scsi_device_channel: Channel ID for SCSI devices
1017 * @transport_cmds: Command tracker for SAS transport commands
1018 * @sas_hba: SAS node for the controller
1019 * @sas_expander_list: SAS node list of expanders
1020 * @sas_node_lock: Lock to protect SAS node list
1021 * @hba_port_table_list: List of HBA Ports
1022 * @enclosure_list: List of Enclosure objects
1025 struct list_head list;
1026 struct pci_dev *pdev;
1027 struct Scsi_Host *shost;
1030 bool enable_segqueue;
1033 char name[MPI3MR_NAME_LENGTH];
1034 char driver_name[MPI3MR_NAME_LENGTH];
1036 volatile struct mpi3_sysif_registers __iomem *sysif_regs;
1037 resource_size_t sysif_regs_phys;
1048 void *admin_req_base;
1049 dma_addr_t admin_req_dma;
1050 spinlock_t admin_req_lock;
1052 u16 num_admin_replies;
1053 u32 admin_reply_q_sz;
1055 u8 admin_reply_ephase;
1056 void *admin_reply_base;
1057 dma_addr_t admin_reply_dma;
1061 struct mpi3mr_intr_info *intr_info;
1062 u16 intr_info_count;
1063 bool is_intr_info_set;
1067 struct op_req_qinfo *req_qinfo;
1070 struct op_reply_qinfo *op_reply_qinfo;
1072 struct mpi3mr_drv_cmd init_cmds;
1073 struct mpi3mr_drv_cmd cfg_cmds;
1074 struct mpi3mr_ioc_facts facts;
1075 u16 op_reply_desc_sz;
1078 struct dma_pool *reply_buf_pool;
1080 dma_addr_t reply_buf_dma;
1081 dma_addr_t reply_buf_dma_max_address;
1085 struct dma_pool *reply_free_q_pool;
1086 __le64 *reply_free_q;
1087 dma_addr_t reply_free_q_dma;
1088 spinlock_t reply_free_queue_lock;
1089 u32 reply_free_queue_host_index;
1092 struct dma_pool *sense_buf_pool;
1094 dma_addr_t sense_buf_dma;
1097 struct dma_pool *sense_buf_q_pool;
1098 __le64 *sense_buf_q;
1099 dma_addr_t sense_buf_q_dma;
1100 spinlock_t sbq_lock;
1102 u32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
1104 char fwevt_worker_name[MPI3MR_NAME_LENGTH];
1105 struct workqueue_struct *fwevt_worker_thread;
1106 spinlock_t fwevt_lock;
1107 struct list_head fwevt_list;
1109 char watchdog_work_q_name[20];
1110 struct workqueue_struct *watchdog_work_q;
1111 struct delayed_work watchdog_work;
1112 spinlock_t watchdog_lock;
1114 u8 is_driver_loading;
1117 u8 stop_drv_processing;
1118 u8 device_refresh_on;
1121 spinlock_t tgtdev_lock;
1122 struct list_head tgtdev_list;
1124 u32 chain_buf_count;
1125 struct dma_pool *chain_buf_pool;
1126 struct chain_element *chain_sgl_list;
1127 u16 chain_bitmap_sz;
1129 spinlock_t chain_buf_lock;
1131 struct mpi3mr_drv_cmd bsg_cmds;
1132 struct mpi3mr_drv_cmd host_tm_cmds;
1133 struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
1134 struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
1135 u16 devrem_bitmap_sz;
1136 void *devrem_bitmap;
1137 u16 dev_handle_bitmap_sz;
1138 void *removepend_bitmap;
1139 struct list_head delayed_rmhs_list;
1140 u16 evtack_cmds_bitmap_sz;
1141 void *evtack_cmds_bitmap;
1142 struct list_head delayed_evtack_cmds_list;
1144 u32 ts_update_counter;
1145 u8 reset_in_progress;
1147 int prev_reset_result;
1148 struct mutex reset_mutex;
1149 wait_queue_head_t reset_waitq;
1151 u8 prepare_for_reset;
1152 u16 prepare_for_reset_timeout_counter;
1154 void *prp_list_virt;
1155 dma_addr_t prp_list_dma;
1158 u16 diagsave_timeout;
1162 struct mpi3mr_fwevt *current_event;
1163 struct mpi3_driver_info_layout driver_info;
1167 u8 pel_abort_requested;
1170 struct mpi3mr_drv_cmd pel_cmds;
1171 struct mpi3mr_drv_cmd pel_abort_cmd;
1173 u32 pel_newest_seqnum;
1174 void *pel_seqnum_virt;
1175 dma_addr_t pel_seqnum_dma;
1178 u16 op_reply_q_offset;
1180 u16 active_poll_qcount;
1181 u16 requested_poll_qcount;
1183 struct device bsg_dev;
1184 struct request_queue *bsg_queue;
1187 u16 logdata_buf_idx;
1188 u16 logdata_entry_sz;
1190 atomic_t pend_large_data_sz;
1191 u32 io_throttle_data_length;
1192 u32 io_throttle_high;
1193 u32 io_throttle_low;
1194 u16 num_io_throttle_group;
1195 struct mpi3mr_throttle_group_info *throttle_groups;
1198 dma_addr_t cfg_page_dma;
1201 u8 sas_transport_enabled;
1202 u8 scsi_device_channel;
1203 struct mpi3mr_drv_cmd transport_cmds;
1204 struct mpi3mr_sas_node sas_hba;
1205 struct list_head sas_expander_list;
1206 spinlock_t sas_node_lock;
1207 struct list_head hba_port_table_list;
1208 struct list_head enclosure_list;
1212 * struct mpi3mr_fwevt - Firmware event structure.
1215 * @work: Work structure
1216 * @mrioc: Adapter instance reference
1217 * @event_id: MPI3 firmware event ID
1218 * @send_ack: Event acknowledgment required or not
1219 * @process_evt: Bottomhalf processing required or not
1220 * @evt_ctx: Event context to send in Ack
1221 * @event_data_size: size of the event data in bytes
1222 * @pending_at_sml: waiting for device add/remove API to complete
1223 * @discard: discard this event
1224 * @ref_count: kref count
1225 * @event_data: Actual MPI3 event data
1227 struct mpi3mr_fwevt {
1228 struct list_head list;
1229 struct work_struct work;
1230 struct mpi3mr_ioc *mrioc;
1235 u16 event_data_size;
1236 bool pending_at_sml;
1238 struct kref ref_count;
1239 char event_data[] __aligned(4);
1244 * struct delayed_dev_rmhs_node - Delayed device removal node
1247 * @handle: Device handle
1248 * @iou_rc: IO Unit Control Reason Code
1250 struct delayed_dev_rmhs_node {
1251 struct list_head list;
1257 * struct delayed_evt_ack_node - Delayed event ack node
1259 * @event: MPI3 event ID
1260 * @event_ctx: event context
1262 struct delayed_evt_ack_node {
1263 struct list_head list;
1268 int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc);
1269 void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc);
1270 int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc);
1271 int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume);
1272 void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc);
1273 int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async);
1274 int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
1275 u16 admin_req_sz, u8 ignore_reset);
1276 int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
1277 struct op_req_qinfo *opreqq, u8 *req);
1278 void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
1279 dma_addr_t dma_addr);
1280 void mpi3mr_build_zero_len_sge(void *paddr);
1281 void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
1282 dma_addr_t phys_addr);
1283 void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
1284 dma_addr_t phys_addr);
1285 void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
1288 void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc);
1289 void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc);
1290 void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
1291 struct mpi3_event_notification_reply *event_reply);
1292 void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
1293 struct mpi3_default_reply_descriptor *reply_desc,
1294 u64 *reply_dma, u16 qidx);
1295 void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc);
1296 void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc);
1298 int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
1299 u32 reset_reason, u8 snapdump);
1300 void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc);
1301 void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc);
1303 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc);
1304 int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
1307 void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout);
1308 void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc);
1309 void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc);
1310 void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc);
1311 void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc);
1312 void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc);
1313 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1314 void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc);
1315 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1316 int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
1317 struct op_reply_qinfo *op_reply_q);
1318 int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
1319 void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc);
1320 void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc);
1321 int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
1322 u16 handle, uint lun, u16 htag, ulong timeout,
1323 struct mpi3mr_drv_cmd *drv_cmd,
1324 u8 *resp_code, struct scsi_cmnd *scmd);
1325 struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle(
1326 struct mpi3mr_ioc *mrioc, u16 handle);
1327 void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc,
1328 struct mpi3mr_drv_cmd *drv_cmd);
1329 int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
1330 struct mpi3mr_drv_cmd *drv_cmd);
1331 void mpi3mr_app_save_logdata(struct mpi3mr_ioc *mrioc, char *event_data,
1332 u16 event_data_size);
1333 struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
1334 struct mpi3mr_ioc *mrioc, u16 handle);
1335 extern const struct attribute_group *mpi3mr_host_groups[];
1336 extern const struct attribute_group *mpi3mr_dev_groups[];
1338 extern struct sas_function_template mpi3mr_transport_functions;
1339 extern struct scsi_transport_template *mpi3mr_transport_template;
1341 int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1342 struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec);
1343 int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1344 struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form,
1346 int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1347 struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form,
1349 int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1350 struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form,
1352 int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1353 struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form,
1355 int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1356 struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form,
1358 int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc,
1359 struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz);
1360 int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1361 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1362 int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1363 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1364 int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
1365 struct mpi3_driver_page1 *driver_pg1, u16 pg_sz);
1367 u8 mpi3mr_is_expander_device(u16 device_info);
1368 int mpi3mr_expander_add(struct mpi3mr_ioc *mrioc, u16 handle);
1369 void mpi3mr_expander_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
1370 struct mpi3mr_hba_port *hba_port);
1371 struct mpi3mr_sas_node *__mpi3mr_expander_find_by_handle(struct mpi3mr_ioc
1372 *mrioc, u16 handle);
1373 struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
1375 void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc);
1376 void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc);
1377 void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
1378 u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
1379 struct mpi3mr_hba_port *hba_port);
1380 void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
1381 struct mpi3mr_tgt_dev *tgtdev);
1382 int mpi3mr_report_tgtdev_to_sas_transport(struct mpi3mr_ioc *mrioc,
1383 struct mpi3mr_tgt_dev *tgtdev);
1384 void mpi3mr_remove_tgtdev_from_sas_transport(struct mpi3mr_ioc *mrioc,
1385 struct mpi3mr_tgt_dev *tgtdev);
1386 struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr_and_rphy(
1387 struct mpi3mr_ioc *mrioc, u64 sas_address, struct sas_rphy *rphy);
1388 void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
1390 void mpi3mr_refresh_sas_ports(struct mpi3mr_ioc *mrioc);
1391 void mpi3mr_refresh_expanders(struct mpi3mr_ioc *mrioc);
1392 void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc);
1393 void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc);
1394 void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc);
1395 void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc);
1396 #endif /*MPI3MR_H_INCLUDED*/