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 "8.8.1.0.50"
59 #define MPI3MR_DRIVER_RELDATE "5-March-2024"
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 64
67 #define IOCNAME "%s: "
69 #define MPI3MR_DEFAULT_MAX_IO_SIZE (1 * 1024 * 1024)
71 /* Definitions for internal SGL and Chain SGL buffers */
72 #define MPI3MR_PAGE_SIZE_4K 4096
73 #define MPI3MR_DEFAULT_SGL_ENTRIES 256
74 #define MPI3MR_MAX_SGL_ENTRIES 2048
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
130 #define MPI3MR_MUR_TIMEOUT 120
132 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
134 #define MPI3MR_DEFAULT_CFG_PAGE_SZ 1024 /* in bytes */
136 #define MPI3MR_RESET_TOPOLOGY_SETTLE_TIME 10
138 #define MPI3MR_SCMD_TIMEOUT (60 * HZ)
139 #define MPI3MR_EH_SCMD_TIMEOUT (60 * HZ)
141 /* Internal admin command state definitions*/
142 #define MPI3MR_CMD_NOTUSED 0x8000
143 #define MPI3MR_CMD_COMPLETE 0x0001
144 #define MPI3MR_CMD_PENDING 0x0002
145 #define MPI3MR_CMD_REPLY_VALID 0x0004
146 #define MPI3MR_CMD_RESET 0x0008
148 /* Definitions for Event replies and sense buffer allocated per controller */
149 #define MPI3MR_NUM_EVT_REPLIES 64
150 #define MPI3MR_SENSE_BUF_SZ 256
151 #define MPI3MR_SENSEBUF_FACTOR 3
152 #define MPI3MR_CHAINBUF_FACTOR 3
153 #define MPI3MR_CHAINBUFDIX_FACTOR 2
155 /* Invalid target device handle */
156 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
158 /* Controller Reset related definitions */
159 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT 5
160 #define MPI3MR_MAX_RESET_RETRY_COUNT 3
162 /* ResponseCode definitions */
163 #define MPI3MR_RI_MASK_RESPCODE (0x000000FF)
164 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
165 MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
167 #define MPI3MR_DEFAULT_MDTS (128 * 1024)
168 #define MPI3MR_DEFAULT_PGSZEXP (12)
170 /* Command retry count definitions */
171 #define MPI3MR_DEV_RMHS_RETRY_COUNT 3
172 #define MPI3MR_PEL_RETRY_COUNT 3
174 /* Default target device queue depth */
175 #define MPI3MR_DEFAULT_SDEV_QD 32
177 /* Definitions for Threaded IRQ poll*/
178 #define MPI3MR_IRQ_POLL_SLEEP 2
179 #define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
181 /* Definitions for the controller security status*/
182 #define MPI3MR_CTLR_SECURITY_STATUS_MASK 0x0C
183 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0x02
185 #define MPI3MR_INVALID_DEVICE 0x00
186 #define MPI3MR_CONFIG_SECURE_DEVICE 0x04
187 #define MPI3MR_HARD_SECURE_DEVICE 0x08
188 #define MPI3MR_TAMPERED_DEVICE 0x0C
190 /* SGE Flag definition */
191 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
192 (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
193 MPI3_SGE_FLAGS_END_OF_LIST)
195 /* MSI Index from Reply Queue Index */
196 #define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset)
199 * Maximum data transfer size definitions for management
200 * application commands
202 #define MPI3MR_MAX_APP_XFER_SIZE (1 * 1024 * 1024)
203 #define MPI3MR_MAX_APP_XFER_SEGMENTS 512
205 * 2048 sectors are for data buffers and additional 512 sectors for
208 #define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512)
210 #define MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS 256
211 #define MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS 2048
214 * struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
215 * Encapsulated commands.
217 * @base_addr: Physical address
218 * @length: SGE length
221 * @sub_type: sgl sub type
224 struct mpi3mr_nvme_pt_sge {
234 * struct mpi3mr_buf_map - local structure to
235 * track kernel and user buffers associated with an BSG
238 * @bsg_buf: BSG buffer virtual address
239 * @bsg_buf_len: BSG buffer length
240 * @kern_buf: Kernel buffer virtual address
241 * @kern_buf_len: Kernel buffer length
242 * @kern_buf_dma: Kernel buffer DMA address
243 * @data_dir: Data direction.
245 struct mpi3mr_buf_map {
250 dma_addr_t kern_buf_dma;
253 struct dma_memory_desc *dma_desc;
256 /* IOC State definitions */
257 enum mpi3mr_iocstate {
258 MRIOC_STATE_READY = 1,
261 MRIOC_STATE_BECOMING_READY,
262 MRIOC_STATE_RESET_REQUESTED,
263 MRIOC_STATE_UNRECOVERABLE,
266 /* Reset reason code definitions*/
267 enum mpi3mr_reset_reason {
268 MPI3MR_RESET_FROM_BRINGUP = 1,
269 MPI3MR_RESET_FROM_FAULT_WATCH = 2,
270 MPI3MR_RESET_FROM_APP = 3,
271 MPI3MR_RESET_FROM_EH_HOS = 4,
272 MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
273 MPI3MR_RESET_FROM_APP_TIMEOUT = 6,
274 MPI3MR_RESET_FROM_MUR_FAILURE = 7,
275 MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
276 MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
277 MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
278 MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
279 MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
280 MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
281 MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
282 MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
283 MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
284 MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
285 MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
286 MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
287 MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
288 MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
289 MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
290 MPI3MR_RESET_FROM_SYSFS = 23,
291 MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
292 MPI3MR_RESET_FROM_FIRMWARE = 27,
293 MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29,
294 MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30,
297 #define MPI3MR_RESET_REASON_OSTYPE_LINUX 1
298 #define MPI3MR_RESET_REASON_OSTYPE_SHIFT 28
299 #define MPI3MR_RESET_REASON_IOCNUM_SHIFT 20
301 /* Queue type definitions */
303 MPI3MR_DEFAULT_QUEUE = 0,
308 * struct mpi3mr_compimg_ver - replica of component image
309 * version defined in mpi30_image.h in host endianness
312 struct mpi3mr_compimg_ver {
322 * struct mpi3mr_ioc_facs - replica of component image version
323 * defined in mpi30_ioc.h in host endianness
326 struct mpi3mr_ioc_facts {
327 u32 ioc_capabilities;
328 struct mpi3mr_compimg_ver fw_ver;
337 u16 max_sasexpanders;
339 u16 max_sasinitiators;
341 u16 max_pcie_switches;
351 u16 shutdown_timeout;
354 u16 max_msix_vectors;
362 u16 max_io_throttle_group;
363 u16 io_throttle_data_length;
365 u16 io_throttle_high;
370 * struct segments - memory descriptor structure to store
371 * virtual and dma addresses for operational queue segments.
373 * @segment: virtual address
374 * @segment_dma: dma address
378 dma_addr_t segment_dma;
382 * struct op_req_qinfo - Operational Request Queue Information
384 * @ci: consumer index
385 * @pi: producer index
386 * @num_request: Maximum number of entries in the queue
387 * @qid: Queue Id starting from 1
388 * @reply_qid: Associated reply queue Id
389 * @num_segments: Number of discontiguous memory segments
390 * @segment_qd: Depth of each segments
391 * @q_lock: Concurrent queue access lock
392 * @q_segments: Segment descriptor pointer
393 * @q_segment_list: Segment list base virtual address
394 * @q_segment_list_dma: Segment list base DMA address
396 struct op_req_qinfo {
405 struct segments *q_segments;
406 void *q_segment_list;
407 dma_addr_t q_segment_list_dma;
411 * struct op_reply_qinfo - Operational Reply Queue Information
413 * @ci: consumer index
414 * @qid: Queue Id starting from 1
415 * @num_replies: Maximum number of entries in the queue
416 * @num_segments: Number of discontiguous memory segments
417 * @segment_qd: Depth of each segments
418 * @q_segments: Segment descriptor pointer
419 * @q_segment_list: Segment list base virtual address
420 * @q_segment_list_dma: Segment list base DMA address
421 * @ephase: Expected phased identifier for the reply queue
422 * @pend_ios: Number of IOs pending in HW for this queue
423 * @enable_irq_poll: Flag to indicate polling is enabled
424 * @in_use: Queue is handled by poll/ISR
425 * @qtype: Type of queue (types defined in enum queue_type)
427 struct op_reply_qinfo {
433 struct segments *q_segments;
434 void *q_segment_list;
435 dma_addr_t q_segment_list_dma;
438 bool enable_irq_poll;
440 enum queue_type qtype;
444 * struct mpi3mr_intr_info - Interrupt cookie information
446 * @mrioc: Adapter instance reference
447 * @os_irq: irq number
448 * @msix_index: MSIx index
449 * @op_reply_q: Associated operational reply queue
450 * @name: Dev name for the irq claiming device
452 struct mpi3mr_intr_info {
453 struct mpi3mr_ioc *mrioc;
456 struct op_reply_qinfo *op_reply_q;
457 char name[MPI3MR_NAME_LENGTH];
461 * struct mpi3mr_throttle_group_info - Throttle group info
463 * @io_divert: Flag indicates io divert is on or off for the TG
464 * @need_qd_reduction: Flag to indicate QD reduction is needed
465 * @qd_reduction: Queue Depth reduction in units of 10%
466 * @fw_qd: QueueDepth value reported by the firmware
467 * @modified_qd: Modified QueueDepth value due to throttling
468 * @id: Throttle Group ID.
469 * @high: High limit to turn on throttling in 512 byte blocks
470 * @low: Low limit to turn off throttling in 512 byte blocks
471 * @pend_large_data_sz: Counter to track pending large data
473 struct mpi3mr_throttle_group_info {
475 u8 need_qd_reduction;
482 atomic_t pend_large_data_sz;
486 #define MPI3MR_HBA_PORT_FLAG_DIRTY 0x01
488 /* IOCTL data transfer sge*/
489 #define MPI3MR_NUM_IOCTL_SGE 256
490 #define MPI3MR_IOCTL_SGE_SIZE (8 * 1024)
493 * struct mpi3mr_hba_port - HBA's port information
494 * @port_id: Port number
495 * @flags: HBA port flags
497 struct mpi3mr_hba_port {
498 struct list_head list;
504 * struct mpi3mr_sas_port - Internal SAS port information
505 * @port_list: List of ports belonging to a SAS node
506 * @num_phys: Number of phys associated with port
507 * @marked_responding: used while refresing the sas ports
508 * @lowest_phy: lowest phy ID of current sas port
509 * @phy_mask: phy_mask of current sas port
510 * @hba_port: HBA port entry
511 * @remote_identify: Attached device identification
512 * @rphy: SAS transport layer rphy object
513 * @port: SAS transport layer port object
514 * @phy_list: mpi3mr_sas_phy objects belonging to this port
516 struct mpi3mr_sas_port {
517 struct list_head port_list;
519 u8 marked_responding;
522 struct mpi3mr_hba_port *hba_port;
523 struct sas_identify remote_identify;
524 struct sas_rphy *rphy;
525 struct sas_port *port;
526 struct list_head phy_list;
530 * struct mpi3mr_sas_phy - Internal SAS Phy information
531 * @port_siblings: List of phys belonging to a port
532 * @identify: Phy identification
533 * @remote_identify: Attached device identification
534 * @phy: SAS transport layer Phy object
535 * @phy_id: Unique phy id within a port
536 * @handle: Firmware device handle for this phy
537 * @attached_handle: Firmware device handle for attached device
538 * @phy_belongs_to_port: Flag to indicate phy belongs to port
539 @hba_port: HBA port entry
541 struct mpi3mr_sas_phy {
542 struct list_head port_siblings;
543 struct sas_identify identify;
544 struct sas_identify remote_identify;
549 u8 phy_belongs_to_port;
550 struct mpi3mr_hba_port *hba_port;
554 * struct mpi3mr_sas_node - SAS host/expander information
555 * @list: List of sas nodes in a controller
556 * @parent_dev: Parent device class
557 * @num_phys: Number phys belonging to sas_node
558 * @sas_address: SAS address of sas_node
559 * @handle: Firmware device handle for this sas_host/expander
560 * @sas_address_parent: SAS address of parent expander or host
561 * @enclosure_handle: Firmware handle of enclosure of this node
562 * @device_info: Capabilities of this sas_host/expander
563 * @non_responding: used to refresh the expander devices during reset
564 * @host_node: Flag to indicate this is a host_node
565 * @hba_port: HBA port entry
566 * @phy: A list of phys that make up this sas_host/expander
567 * @sas_port_list: List of internal ports of this node
568 * @rphy: sas_rphy object of this expander node
570 struct mpi3mr_sas_node {
571 struct list_head list;
572 struct device *parent_dev;
576 u64 sas_address_parent;
577 u16 enclosure_handle;
578 u64 enclosure_logical_id;
581 struct mpi3mr_hba_port *hba_port;
582 struct mpi3mr_sas_phy *phy;
583 struct list_head sas_port_list;
584 struct sas_rphy *rphy;
588 * struct mpi3mr_enclosure_node - enclosure information
589 * @list: List of enclosures
590 * @pg0: Enclosure page 0;
592 struct mpi3mr_enclosure_node {
593 struct list_head list;
594 struct mpi3_enclosure_page0 pg0;
598 * struct tgt_dev_sas_sata - SAS/SATA device specific
599 * information cached from firmware given data
601 * @sas_address: World wide unique SAS address
602 * @sas_address_parent: Sas address of parent expander or host
603 * @dev_info: Device information bits
604 * @phy_id: Phy identifier provided in device page 0
605 * @attached_phy_id: Attached phy identifier provided in device page 0
606 * @sas_transport_attached: Is this device exposed to transport
607 * @pend_sas_rphy_add: Flag to check device is in process of add
608 * @hba_port: HBA port entry
609 * @rphy: SAS transport layer rphy object
611 struct tgt_dev_sas_sata {
613 u64 sas_address_parent;
617 u8 sas_transport_attached;
618 u8 pend_sas_rphy_add;
619 struct mpi3mr_hba_port *hba_port;
620 struct sas_rphy *rphy;
624 * struct tgt_dev_pcie - PCIe device specific information cached
625 * from firmware given data
627 * @mdts: Maximum data transfer size
628 * @capb: Device capabilities
629 * @pgsz: Device page size
630 * @abort_to: Timeout for abort TM
631 * @reset_to: Timeout for Target/LUN reset TM
632 * @dev_info: Device information bits
634 struct tgt_dev_pcie {
644 * struct tgt_dev_vd - virtual device specific information
645 * cached from firmware given data
647 * @state: State of the VD
648 * @tg_qd_reduction: Queue Depth reduction in units of 10%
649 * @tg_id: VDs throttle group ID
650 * @high: High limit to turn on throttling in 512 byte blocks
651 * @low: Low limit to turn off throttling in 512 byte blocks
652 * @tg: Pointer to throttle group info
660 struct mpi3mr_throttle_group_info *tg;
665 * union _form_spec_inf - union of device specific information
667 union _form_spec_inf {
668 struct tgt_dev_sas_sata sas_sata_inf;
669 struct tgt_dev_pcie pcie_inf;
670 struct tgt_dev_vd vd_inf;
673 enum mpi3mr_dev_state {
674 MPI3MR_DEV_CREATED = 1,
675 MPI3MR_DEV_REMOVE_HS_STARTED = 2,
676 MPI3MR_DEV_DELETED = 3,
680 * struct mpi3mr_tgt_dev - target device data structure
682 * @list: List pointer
683 * @starget: Scsi_target pointer
684 * @dev_handle: FW device handle
685 * @parent_handle: FW parent device handle
687 * @encl_handle: FW enclosure handle
688 * @perst_id: FW assigned Persistent ID
689 * @devpg0_flag: Device Page0 flag
690 * @dev_type: SAS/SATA/PCIE device type
691 * @is_hidden: Should be exposed to upper layers or not
692 * @host_exposed: Already exposed to host or not
693 * @io_unit_port: IO Unit port ID
694 * @non_stl: Is this device not to be attached with SAS TL
695 * @io_throttle_enabled: I/O throttling needed or not
696 * @wslen: Write same max length
697 * @q_depth: Device specific Queue Depth
698 * @wwid: World wide ID
699 * @enclosure_logical_id: Enclosure logical identifier
700 * @dev_spec: Device type specific information
701 * @ref_count: Reference count
702 * @state: device state
704 struct mpi3mr_tgt_dev {
705 struct list_head list;
706 struct scsi_target *starget;
718 u8 io_throttle_enabled;
722 u64 enclosure_logical_id;
723 union _form_spec_inf dev_spec;
724 struct kref ref_count;
725 enum mpi3mr_dev_state state;
729 * mpi3mr_tgtdev_get - k reference incrementor
730 * @s: Target device reference
732 * Increment target device reference count.
734 static inline void mpi3mr_tgtdev_get(struct mpi3mr_tgt_dev *s)
736 kref_get(&s->ref_count);
740 * mpi3mr_free_tgtdev - target device memory dealloctor
741 * @r: k reference pointer of the target device
743 * Free target device memory when no reference.
745 static inline void mpi3mr_free_tgtdev(struct kref *r)
747 kfree(container_of(r, struct mpi3mr_tgt_dev, ref_count));
751 * mpi3mr_tgtdev_put - k reference decrementor
752 * @s: Target device reference
754 * Decrement target device reference count.
756 static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
758 kref_put(&s->ref_count, mpi3mr_free_tgtdev);
763 * struct mpi3mr_stgt_priv_data - SCSI target private structure
765 * @starget: Scsi_target pointer
766 * @dev_handle: FW device handle
767 * @perst_id: FW assigned Persistent ID
768 * @num_luns: Number of Logical Units
769 * @block_io: I/O blocked to the device or not
770 * @dev_removed: Device removed in the Firmware
771 * @dev_removedelay: Device is waiting to be removed in FW
772 * @dev_type: Device type
773 * @dev_nvme_dif: Device is NVMe DIF enabled
774 * @wslen: Write same max length
775 * @io_throttle_enabled: I/O throttling needed or not
776 * @io_divert: Flag indicates io divert is on or off for the dev
777 * @throttle_group: Pointer to throttle group info
778 * @tgt_dev: Internal target device pointer
779 * @pend_count: Counter to track pending I/Os during error
782 struct mpi3mr_stgt_priv_data {
783 struct scsi_target *starget;
793 u8 io_throttle_enabled;
795 struct mpi3mr_throttle_group_info *throttle_group;
796 struct mpi3mr_tgt_dev *tgt_dev;
801 * struct mpi3mr_stgt_priv_data - SCSI device private structure
803 * @tgt_priv_data: Scsi_target private data pointer
804 * @lun_id: LUN ID of the device
805 * @ncq_prio_enable: NCQ priority enable for SATA device
806 * @pend_count: Counter to track pending I/Os during error
808 * @wslen: Write same max length
810 struct mpi3mr_sdev_priv_data {
811 struct mpi3mr_stgt_priv_data *tgt_priv_data;
819 * struct mpi3mr_drv_cmd - Internal command tracker
821 * @mutex: Command mutex
822 * @done: Completeor for wakeup
823 * @reply: Firmware reply for internal commands
824 * @sensebuf: Sensebuf for SCSI IO commands
825 * @iou_rc: IO Unit control reason code
826 * @state: Command State
827 * @dev_handle: Firmware handle for device specific commands
828 * @ioc_status: IOC status from the firmware
829 * @ioc_loginfo:IOC log info from the firmware
830 * @is_waiting: Is the command issued in block mode
831 * @is_sense: Is Sense data present
832 * @retry_count: Retry count for retriable commands
833 * @host_tag: Host tag used by the command
834 * @callback: Callback for non blocking commands
836 struct mpi3mr_drv_cmd {
838 struct completion done;
851 void (*callback)(struct mpi3mr_ioc *mrioc,
852 struct mpi3mr_drv_cmd *drv_cmd);
856 * struct dma_memory_desc - memory descriptor structure to store
857 * virtual address, dma address and size for any generic dma
858 * memory allocations in the driver.
861 * @addr: virtual address
862 * @dma_addr: dma address
864 struct dma_memory_desc {
872 * struct chain_element - memory descriptor structure to store
873 * virtual and dma addresses for chain elements.
875 * @addr: virtual address
876 * @dma_addr: dma address
878 struct chain_element {
884 * struct scmd_priv - SCSI command private data
886 * @host_tag: Host tag specific to operational queue
887 * @in_lld_scope: Command in LLD scope or not
888 * @meta_sg_valid: DIX command with meta data SGL or not
889 * @scmd: SCSI Command pointer
890 * @req_q_idx: Operational request queue index
891 * @chain_idx: Chain frame index
892 * @meta_chain_idx: Chain frame index of meta data SGL
893 * @mpi3mr_scsiio_req: MPI SCSI IO request
899 struct scsi_cmnd *scmd;
903 u8 mpi3mr_scsiio_req[MPI3MR_ADMIN_REQ_FRAME_SZ];
907 * struct mpi3mr_ioc - Adapter anchor structure stored in shost
910 * @list: List pointer
911 * @pdev: PCI device pointer
912 * @shost: Scsi_Host pointer
914 * @cpu_count: Number of online CPUs
915 * @irqpoll_sleep: usleep unit used in threaded isr irqpoll
916 * @name: Controller ASCII name
917 * @driver_name: Driver ASCII name
918 * @sysif_regs: System interface registers virtual address
919 * @sysif_regs_phys: System interface registers physical address
921 * @dma_mask: DMA mask
922 * @msix_count: Number of MSIX vectors used
923 * @intr_enabled: Is interrupts enabled
924 * @num_admin_req: Number of admin requests
925 * @admin_req_q_sz: Admin request queue size
926 * @admin_req_pi: Admin request queue producer index
927 * @admin_req_ci: Admin request queue consumer index
928 * @admin_req_base: Admin request queue base virtual address
929 * @admin_req_dma: Admin request queue base dma address
930 * @admin_req_lock: Admin queue access lock
931 * @num_admin_replies: Number of admin replies
932 * @admin_reply_q_sz: Admin reply queue size
933 * @admin_reply_ci: Admin reply queue consumer index
934 * @admin_reply_ephase:Admin reply queue expected phase
935 * @admin_reply_base: Admin reply queue base virtual address
936 * @admin_reply_dma: Admin reply queue base dma address
937 * @admin_reply_q_in_use: Queue is handled by poll/ISR
938 * @ready_timeout: Controller ready timeout
939 * @intr_info: Interrupt cookie pointer
940 * @intr_info_count: Number of interrupt cookies
941 * @is_intr_info_set: Flag to indicate intr info is setup
942 * @num_queues: Number of operational queues
943 * @num_op_req_q: Number of operational request queues
944 * @req_qinfo: Operational request queue info pointer
945 * @num_op_reply_q: Number of operational reply queues
946 * @op_reply_qinfo: Operational reply queue info pointer
947 * @init_cmds: Command tracker for initialization commands
948 * @cfg_cmds: Command tracker for configuration requests
949 * @facts: Cached IOC facts data
950 * @op_reply_desc_sz: Operational reply descriptor size
951 * @num_reply_bufs: Number of reply buffers allocated
952 * @reply_buf_pool: Reply buffer pool
953 * @reply_buf: Reply buffer base virtual address
954 * @reply_buf_dma: Reply buffer DMA address
955 * @reply_buf_dma_max_address: Reply DMA address max limit
956 * @reply_free_qsz: Reply free queue size
957 * @reply_free_q_pool: Reply free queue pool
958 * @reply_free_q: Reply free queue base virtual address
959 * @reply_free_q_dma: Reply free queue base DMA address
960 * @reply_free_queue_lock: Reply free queue lock
961 * @reply_free_queue_host_index: Reply free queue host index
962 * @num_sense_bufs: Number of sense buffers
963 * @sense_buf_pool: Sense buffer pool
964 * @sense_buf: Sense buffer base virtual address
965 * @sense_buf_dma: Sense buffer base DMA address
966 * @sense_buf_q_sz: Sense buffer queue size
967 * @sense_buf_q_pool: Sense buffer queue pool
968 * @sense_buf_q: Sense buffer queue virtual address
969 * @sense_buf_q_dma: Sense buffer queue DMA address
970 * @sbq_lock: Sense buffer queue lock
971 * @sbq_host_index: Sense buffer queuehost index
972 * @event_masks: Event mask bitmap
973 * @fwevt_worker_name: Firmware event worker thread name
974 * @fwevt_worker_thread: Firmware event worker thread
975 * @fwevt_lock: Firmware event lock
976 * @fwevt_list: Firmware event list
977 * @watchdog_work_q_name: Fault watchdog worker thread name
978 * @watchdog_work_q: Fault watchdog worker thread
979 * @watchdog_work: Fault watchdog work
980 * @watchdog_lock: Fault watchdog lock
981 * @is_driver_loading: Is driver still loading
982 * @scan_started: Async scan started
983 * @scan_failed: Asycn scan failed
984 * @stop_drv_processing: Stop all command processing
985 * @device_refresh_on: Don't process the events until devices are refreshed
986 * @max_host_ios: Maximum host I/O count
987 * @max_sgl_entries: Max SGL entries per I/O
988 * @chain_buf_count: Chain buffer count
989 * @chain_buf_pool: Chain buffer pool
990 * @chain_sgl_list: Chain SGL list
991 * @chain_bitmap: Chain buffer allocator bitmap
992 * @chain_buf_lock: Chain buffer list lock
993 * @bsg_cmds: Command tracker for BSG command
994 * @host_tm_cmds: Command tracker for task management commands
995 * @dev_rmhs_cmds: Command tracker for device removal commands
996 * @evtack_cmds: Command tracker for event ack commands
997 * @devrem_bitmap: Device removal bitmap
998 * @dev_handle_bitmap_bits: Number of bits in device handle bitmap
999 * @removepend_bitmap: Remove pending bitmap
1000 * @delayed_rmhs_list: Delayed device removal list
1001 * @evtack_cmds_bitmap: Event Ack bitmap
1002 * @delayed_evtack_cmds_list: Delayed event acknowledgment list
1003 * @ts_update_counter: Timestamp update counter
1004 * @reset_in_progress: Reset in progress flag
1005 * @unrecoverable: Controller unrecoverable flag
1006 * @prev_reset_result: Result of previous reset
1007 * @reset_mutex: Controller reset mutex
1008 * @reset_waitq: Controller reset wait queue
1009 * @prepare_for_reset: Prepare for reset event received
1010 * @prepare_for_reset_timeout_counter: Prepare for reset timeout
1011 * @prp_list_virt: NVMe encapsulated PRP list virtual base
1012 * @prp_list_dma: NVMe encapsulated PRP list DMA
1013 * @prp_sz: NVME encapsulated PRP list size
1014 * @diagsave_timeout: Diagnostic information save timeout
1015 * @logging_level: Controller debug logging level
1016 * @flush_io_count: I/O count to flush after reset
1017 * @current_event: Firmware event currently in process
1018 * @driver_info: Driver, Kernel, OS information to firmware
1019 * @change_count: Topology change count
1020 * @pel_enabled: Persistent Event Log(PEL) enabled or not
1021 * @pel_abort_requested: PEL abort is requested or not
1022 * @pel_class: PEL Class identifier
1023 * @pel_locale: PEL Locale identifier
1024 * @pel_cmds: Command tracker for PEL wait command
1025 * @pel_abort_cmd: Command tracker for PEL abort command
1026 * @pel_newest_seqnum: Newest PEL sequenece number
1027 * @pel_seqnum_virt: PEL sequence number virtual address
1028 * @pel_seqnum_dma: PEL sequence number DMA address
1029 * @pel_seqnum_sz: PEL sequenece number size
1030 * @op_reply_q_offset: Operational reply queue offset with MSIx
1031 * @default_qcount: Total Default queues
1032 * @active_poll_qcount: Currently active poll queue count
1033 * @requested_poll_qcount: User requested poll queue count
1034 * @bsg_dev: BSG device structure
1035 * @bsg_queue: Request queue for BSG device
1036 * @stop_bsgs: Stop BSG request flag
1037 * @logdata_buf: Circular buffer to store log data entries
1038 * @logdata_buf_idx: Index of entry in buffer to store
1039 * @logdata_entry_sz: log data entry size
1040 * @pend_large_data_sz: Counter to track pending large data
1041 * @io_throttle_data_length: I/O size to track in 512b blocks
1042 * @io_throttle_high: I/O size to start throttle in 512b blocks
1043 * @io_throttle_low: I/O size to stop throttle in 512b blocks
1044 * @num_io_throttle_group: Maximum number of throttle groups
1045 * @throttle_groups: Pointer to throttle group info structures
1046 * @cfg_page: Default memory for configuration pages
1047 * @cfg_page_dma: Configuration page DMA address
1048 * @cfg_page_sz: Default configuration page memory size
1049 * @sas_transport_enabled: SAS transport enabled or not
1050 * @scsi_device_channel: Channel ID for SCSI devices
1051 * @transport_cmds: Command tracker for SAS transport commands
1052 * @sas_hba: SAS node for the controller
1053 * @sas_expander_list: SAS node list of expanders
1054 * @sas_node_lock: Lock to protect SAS node list
1055 * @hba_port_table_list: List of HBA Ports
1056 * @enclosure_list: List of Enclosure objects
1057 * @ioctl_dma_pool: DMA pool for IOCTL data buffers
1058 * @ioctl_sge: DMA buffer descriptors for IOCTL data
1059 * @ioctl_chain_sge: DMA buffer descriptor for IOCTL chain
1060 * @ioctl_resp_sge: DMA buffer descriptor for Mgmt cmd response
1061 * @ioctl_sges_allocated: Flag for IOCTL SGEs allocated or not
1064 struct list_head list;
1065 struct pci_dev *pdev;
1066 struct Scsi_Host *shost;
1069 bool enable_segqueue;
1072 char name[MPI3MR_NAME_LENGTH];
1073 char driver_name[MPI3MR_NAME_LENGTH];
1075 volatile struct mpi3_sysif_registers __iomem *sysif_regs;
1076 resource_size_t sysif_regs_phys;
1087 void *admin_req_base;
1088 dma_addr_t admin_req_dma;
1089 spinlock_t admin_req_lock;
1091 u16 num_admin_replies;
1092 u32 admin_reply_q_sz;
1094 u8 admin_reply_ephase;
1095 void *admin_reply_base;
1096 dma_addr_t admin_reply_dma;
1097 atomic_t admin_reply_q_in_use;
1101 struct mpi3mr_intr_info *intr_info;
1102 u16 intr_info_count;
1103 bool is_intr_info_set;
1107 struct op_req_qinfo *req_qinfo;
1110 struct op_reply_qinfo *op_reply_qinfo;
1112 struct mpi3mr_drv_cmd init_cmds;
1113 struct mpi3mr_drv_cmd cfg_cmds;
1114 struct mpi3mr_ioc_facts facts;
1115 u16 op_reply_desc_sz;
1118 struct dma_pool *reply_buf_pool;
1120 dma_addr_t reply_buf_dma;
1121 dma_addr_t reply_buf_dma_max_address;
1125 struct dma_pool *reply_free_q_pool;
1126 __le64 *reply_free_q;
1127 dma_addr_t reply_free_q_dma;
1128 spinlock_t reply_free_queue_lock;
1129 u32 reply_free_queue_host_index;
1132 struct dma_pool *sense_buf_pool;
1134 dma_addr_t sense_buf_dma;
1137 struct dma_pool *sense_buf_q_pool;
1138 __le64 *sense_buf_q;
1139 dma_addr_t sense_buf_q_dma;
1140 spinlock_t sbq_lock;
1142 u32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
1144 char fwevt_worker_name[MPI3MR_NAME_LENGTH];
1145 struct workqueue_struct *fwevt_worker_thread;
1146 spinlock_t fwevt_lock;
1147 struct list_head fwevt_list;
1149 char watchdog_work_q_name[50];
1150 struct workqueue_struct *watchdog_work_q;
1151 struct delayed_work watchdog_work;
1152 spinlock_t watchdog_lock;
1154 u8 is_driver_loading;
1157 u8 stop_drv_processing;
1158 u8 device_refresh_on;
1161 spinlock_t tgtdev_lock;
1162 struct list_head tgtdev_list;
1163 u16 max_sgl_entries;
1165 u32 chain_buf_count;
1166 struct dma_pool *chain_buf_pool;
1167 struct chain_element *chain_sgl_list;
1168 unsigned long *chain_bitmap;
1169 spinlock_t chain_buf_lock;
1171 struct mpi3mr_drv_cmd bsg_cmds;
1172 struct mpi3mr_drv_cmd host_tm_cmds;
1173 struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
1174 struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
1175 unsigned long *devrem_bitmap;
1176 u16 dev_handle_bitmap_bits;
1177 unsigned long *removepend_bitmap;
1178 struct list_head delayed_rmhs_list;
1179 unsigned long *evtack_cmds_bitmap;
1180 struct list_head delayed_evtack_cmds_list;
1182 u32 ts_update_counter;
1183 u8 reset_in_progress;
1185 int prev_reset_result;
1186 struct mutex reset_mutex;
1187 wait_queue_head_t reset_waitq;
1189 u8 prepare_for_reset;
1190 u16 prepare_for_reset_timeout_counter;
1192 void *prp_list_virt;
1193 dma_addr_t prp_list_dma;
1196 u16 diagsave_timeout;
1200 struct mpi3mr_fwevt *current_event;
1201 struct mpi3_driver_info_layout driver_info;
1205 u8 pel_abort_requested;
1208 struct mpi3mr_drv_cmd pel_cmds;
1209 struct mpi3mr_drv_cmd pel_abort_cmd;
1211 u32 pel_newest_seqnum;
1212 void *pel_seqnum_virt;
1213 dma_addr_t pel_seqnum_dma;
1216 u16 op_reply_q_offset;
1218 u16 active_poll_qcount;
1219 u16 requested_poll_qcount;
1221 struct device bsg_dev;
1222 struct request_queue *bsg_queue;
1225 u16 logdata_buf_idx;
1226 u16 logdata_entry_sz;
1228 atomic_t pend_large_data_sz;
1229 u32 io_throttle_data_length;
1230 u32 io_throttle_high;
1231 u32 io_throttle_low;
1232 u16 num_io_throttle_group;
1233 struct mpi3mr_throttle_group_info *throttle_groups;
1236 dma_addr_t cfg_page_dma;
1239 u8 sas_transport_enabled;
1240 u8 scsi_device_channel;
1241 struct mpi3mr_drv_cmd transport_cmds;
1242 struct mpi3mr_sas_node sas_hba;
1243 struct list_head sas_expander_list;
1244 spinlock_t sas_node_lock;
1245 struct list_head hba_port_table_list;
1246 struct list_head enclosure_list;
1248 struct dma_pool *ioctl_dma_pool;
1249 struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
1250 struct dma_memory_desc ioctl_chain_sge;
1251 struct dma_memory_desc ioctl_resp_sge;
1252 bool ioctl_sges_allocated;
1256 * struct mpi3mr_fwevt - Firmware event structure.
1259 * @work: Work structure
1260 * @mrioc: Adapter instance reference
1261 * @event_id: MPI3 firmware event ID
1262 * @send_ack: Event acknowledgment required or not
1263 * @process_evt: Bottomhalf processing required or not
1264 * @evt_ctx: Event context to send in Ack
1265 * @event_data_size: size of the event data in bytes
1266 * @pending_at_sml: waiting for device add/remove API to complete
1267 * @discard: discard this event
1268 * @ref_count: kref count
1269 * @event_data: Actual MPI3 event data
1271 struct mpi3mr_fwevt {
1272 struct list_head list;
1273 struct work_struct work;
1274 struct mpi3mr_ioc *mrioc;
1279 u16 event_data_size;
1280 bool pending_at_sml;
1282 struct kref ref_count;
1283 char event_data[] __aligned(4);
1288 * struct delayed_dev_rmhs_node - Delayed device removal node
1291 * @handle: Device handle
1292 * @iou_rc: IO Unit Control Reason Code
1294 struct delayed_dev_rmhs_node {
1295 struct list_head list;
1301 * struct delayed_evt_ack_node - Delayed event ack node
1303 * @event: MPI3 event ID
1304 * @event_ctx: event context
1306 struct delayed_evt_ack_node {
1307 struct list_head list;
1312 int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc);
1313 void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc);
1314 int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc);
1315 int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume);
1316 void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc);
1317 int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async);
1318 int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
1319 u16 admin_req_sz, u8 ignore_reset);
1320 int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
1321 struct op_req_qinfo *opreqq, u8 *req);
1322 void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
1323 dma_addr_t dma_addr);
1324 void mpi3mr_build_zero_len_sge(void *paddr);
1325 void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
1326 dma_addr_t phys_addr);
1327 void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
1328 dma_addr_t phys_addr);
1329 void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
1332 void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc);
1333 void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc);
1334 void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
1335 struct mpi3_event_notification_reply *event_reply);
1336 void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
1337 struct mpi3_default_reply_descriptor *reply_desc,
1338 u64 *reply_dma, u16 qidx);
1339 void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc);
1340 void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc);
1342 int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
1343 u16 reset_reason, u8 snapdump);
1344 void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc);
1345 void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc);
1347 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc);
1348 int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
1351 void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout);
1352 void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc);
1353 void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc);
1354 void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc);
1355 void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc);
1356 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1357 void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc);
1358 void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
1359 int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
1360 struct op_reply_qinfo *op_reply_q);
1361 int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
1362 void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc);
1363 void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc);
1364 int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
1365 u16 handle, uint lun, u16 htag, ulong timeout,
1366 struct mpi3mr_drv_cmd *drv_cmd,
1367 u8 *resp_code, struct scsi_cmnd *scmd);
1368 struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle(
1369 struct mpi3mr_ioc *mrioc, u16 handle);
1370 void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc,
1371 struct mpi3mr_drv_cmd *drv_cmd);
1372 int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
1373 struct mpi3mr_drv_cmd *drv_cmd);
1374 void mpi3mr_app_save_logdata(struct mpi3mr_ioc *mrioc, char *event_data,
1375 u16 event_data_size);
1376 struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
1377 struct mpi3mr_ioc *mrioc, u16 handle);
1378 extern const struct attribute_group *mpi3mr_host_groups[];
1379 extern const struct attribute_group *mpi3mr_dev_groups[];
1381 extern struct sas_function_template mpi3mr_transport_functions;
1382 extern struct scsi_transport_template *mpi3mr_transport_template;
1384 int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1385 struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec);
1386 int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1387 struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form,
1389 int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1390 struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form,
1392 int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1393 struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form,
1395 int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1396 struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form,
1398 int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
1399 struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form,
1401 int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc,
1402 struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz);
1403 int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1404 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1405 int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
1406 struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
1407 int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
1408 struct mpi3_driver_page1 *driver_pg1, u16 pg_sz);
1410 u8 mpi3mr_is_expander_device(u16 device_info);
1411 int mpi3mr_expander_add(struct mpi3mr_ioc *mrioc, u16 handle);
1412 void mpi3mr_expander_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
1413 struct mpi3mr_hba_port *hba_port);
1414 struct mpi3mr_sas_node *__mpi3mr_expander_find_by_handle(struct mpi3mr_ioc
1415 *mrioc, u16 handle);
1416 struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
1418 void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc);
1419 void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc);
1420 void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
1421 u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
1422 struct mpi3mr_hba_port *hba_port);
1423 void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
1424 struct mpi3mr_tgt_dev *tgtdev);
1425 int mpi3mr_report_tgtdev_to_sas_transport(struct mpi3mr_ioc *mrioc,
1426 struct mpi3mr_tgt_dev *tgtdev);
1427 void mpi3mr_remove_tgtdev_from_sas_transport(struct mpi3mr_ioc *mrioc,
1428 struct mpi3mr_tgt_dev *tgtdev);
1429 struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr_and_rphy(
1430 struct mpi3mr_ioc *mrioc, u64 sas_address, struct sas_rphy *rphy);
1431 void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
1433 void mpi3mr_refresh_sas_ports(struct mpi3mr_ioc *mrioc);
1434 void mpi3mr_refresh_expanders(struct mpi3mr_ioc *mrioc);
1435 void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc);
1436 void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc);
1437 void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc);
1438 void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc);
1439 int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc);
1440 void mpi3mr_expander_node_remove(struct mpi3mr_ioc *mrioc,
1441 struct mpi3mr_sas_node *sas_expander);
1442 #endif /*MPI3MR_H_INCLUDED*/