[PATCH 6/12] mpt2sas - base header

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This header contains shared structs, enums, defines, and forward protos.

Signed-off-by: Eric Moore <eric.moore@xxxxxxx>

--- a/drivers/scsi/mpt2sas/mpt2sas_base.h	1969-12-31 17:00:00.000000000 -0700
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h	2008-11-03 11:37:19.000000000 -0700
@@ -0,0 +1,749 @@
+/*
+ * This is the Fusion MPT base driver providing common API layer interface
+ * for access to MPT (Message Passing Technology) firmware.
+ *
+ * This code is based on drivers/scsi/mpt2sas/mpt2_base.h
+ * Copyright (C) 2007-2008  LSI Corporation
+ *  (mailto:DL-MPTFusionLinux@xxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * NO WARRANTY
+ * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+ * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+ * solely responsible for determining the appropriateness of using and
+ * distributing the Program and assumes all risks associated with its
+ * exercise of rights under this Agreement, including but not limited to
+ * the risks and costs of program errors, damage to or loss of data,
+ * programs or equipment, and unavailability or interruption of operations.
+
+ * DISCLAIMER OF LIABILITY
+ * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+ * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef MPT2SAS_BASE_H_INCLUDED
+#define MPT2SAS_BASE_H_INCLUDED
+
+#include "mpi/mpi2_type.h"	/* MPI basic type definitions */
+#include "mpi/mpi2.h"		/* MPI Message independent structures and definitions */
+#include "mpi/mpi2_ioc.h"	/* MPI IOC, Port, Event, FW Download, and FW Upload messages */
+#include "mpi/mpi2_cnfg.h"	/* MPI Configuration messages and pages */
+#include "mpi/mpi2_init.h"	/* MPI SCSI initiator mode messages and structures */
+#include "mpi/mpi2_raid.h"	/* MPI Integrated RAID messages and structures */
+#include "mpi/mpi2_targ.h"	/* MPI Target mode messages and structures */
+#include "mpi/mpi2_tool.h"	/* MPI diagnostic tool structures and definitions */
+#include "mpi/mpi2_sas.h"	/* MPI Serial Attached SCSI structures and definitions */
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_sas.h>
+#include <scsi/scsi_dbg.h>
+
+#include "mpt2sas_debug.h"
+
+/* driver versioning info */
+#define MPT2SAS_DRIVER_NAME		"mpt2sas"
+#define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@xxxxxxx>"
+#define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
+#define MPT2SAS_DRIVER_VERSION		"00.100.06.00"
+#define MPT2SAS_MAJOR_VERSION		00
+#define MPT2SAS_MINOR_VERSION		100
+#define MPT2SAS_BUILD_VERSION		06
+#define MPT2SAS_RELEASE_VERSION		00
+
+/*
+ * Set MPT2SAS_SG_DEPTH value based on user input.
+ */
+#ifdef  CONFIG_SCSI_MPT2SAS_MAX_SGE
+#if     CONFIG_SCSI_MPT2SAS_MAX_SGE  < 16
+#define MPT2SAS_SG_DEPTH       16
+#elif   CONFIG_SCSI_MPT2SAS_MAX_SGE  > 128
+#define MPT2SAS_SG_DEPTH       128
+#else
+#define MPT2SAS_SG_DEPTH       CONFIG_SCSI_MPT2SAS_MAX_SGE
+#endif
+#else
+#define MPT2SAS_SG_DEPTH       128 /* MAX_HW_SEGMENTS */
+#endif
+
+
+/*
+ * Generic Defines
+ */
+#define MPT2SAS_SATA_QUEUE_DEPTH	8
+#define MPT2SAS_SAS_QUEUE_DEPTH		254
+#define MPT2SAS_RAID_QUEUE_DEPTH	128
+
+#define MPT_NAME_LENGTH			32	/* generic length of strings */
+#define MPT_STRING_LENGTH		64
+
+#define	MPT_MAX_CALLBACKS		16
+
+#define	 CAN_SLEEP			1
+#define  NO_SLEEP			0
+
+#define INTERNAL_CMDS_COUNT		10	/* reserved cmds for task managment, ioctl, sysfs, etc */
+
+#define MPI2_HIM_MASK			0xFFFFFFFF /* mask every bit*/
+
+#define MPT2SAS_INVALID_DEVICE_HANDLE	0xFFFF
+
+
+/*
+ * reset phases
+ */
+#define MPT2_IOC_PRE_RESET		1 /* prior to host reset */
+#define MPT2_IOC_AFTER_RESET		2 /* just after host reset */
+#define MPT2_IOC_DONE_RESET		3 /* links re-initialized */
+
+/*
+ * logging format
+ */
+#define MPT2SAS_FMT			"%s: "
+#define MPT2SAS_DEBUG_FMT		KERN_DEBUG MPT2SAS_FMT
+#define MPT2SAS_INFO_FMT		KERN_INFO MPT2SAS_FMT
+#define MPT2SAS_NOTE_FMT		KERN_NOTICE MPT2SAS_FMT
+#define MPT2SAS_WARN_FMT		KERN_WARNING MPT2SAS_FMT
+#define MPT2SAS_ERR_FMT			KERN_ERR MPT2SAS_FMT
+
+/*
+ * per target private data
+ */
+#define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
+#define MPT_TARGET_FLAGS_VOLUME		0x02
+#define MPT_TARGET_FLAGS_DELETED	0x04
+
+/**
+ * struct MPT2SAS_TARGET - starget private hostdata
+ * @starget: starget object
+ * @sas_address: target sas address
+ * @handle: device handle
+ * @num_luns: number luns
+ * @flags: MPT_TARGET_FLAGS_XXX flags
+ * @deleted: target flaged for deletion
+ * @tm_busy: target is busy with TM request.
+ */
+struct MPT2SAS_TARGET {
+	struct scsi_target *starget;
+	u64	sas_address;
+	u16	handle;
+	int	num_luns;
+	u32	flags;
+	u8	deleted;
+	u8	tm_busy;
+};
+
+/*
+ * per device private data
+ */
+#define MPT_DEVICE_FLAGS_INIT		0x01
+#define MPT_DEVICE_TLR_ON		0x02
+
+/**
+ * struct MPT2SAS_DEVICE - sdev private hostdata
+ * @sas_target: starget private hostdata
+ * @lun: lun number
+ * @flags: MPT_DEVICE_XXX flags
+ * @configured_lun: lun is configured
+ * @block: device is in SDEV_BLOCK state
+ * @tlr_snoop_check: flag used in determining whether to disable TLR
+ */
+struct MPT2SAS_DEVICE {
+	struct MPT2SAS_TARGET *sas_target;
+	unsigned int	lun;
+	u32	flags;
+	u8	configured_lun;
+	u8	block;
+	u8	tlr_snoop_check;
+};
+
+#define MPT2_CMD_NOT_USED	0x8000	/* free */
+#define MPT2_CMD_COMPLETE	0x0001	/* completed */
+#define MPT2_CMD_PENDING	0x0002	/* pending */
+#define MPT2_CMD_REPLY_VALID	0x0004	/* reply is valid */
+#define MPT2_CMD_RESET		0x0008	/* host reset dropped the command */
+
+/**
+ * struct _internal_cmd - internal commands struct
+ * @mutex: mutex
+ * @done: completion
+ * @reply: reply message pointer
+ * @status: MPT2_CMD_XXX status
+ * @smid: system message id
+ */
+struct _internal_cmd {
+	struct mutex mutex;
+	struct completion done;
+	void 	*reply;
+	u16	status;
+	u16	smid;
+};
+
+/*
+ * SAS Topology Structures
+ */
+
+/**
+ * struct _sas_device - attached device information
+ * @list: sas device list
+ * @starget: starget object
+ * @sas_address: device sas address
+ * @device_name: retrieved from the SAS IDENTIFY frame.
+ * @handle: device handle
+ * @parent_handle: handle to parent device
+ * @enclosure_handle: enclosure handle
+ * @enclosure_logical_id: enclosure logical identifier
+ * @volume_handle: volume handle (valid when hidden raid member)
+ * @volume_wwid: volume unique identifier
+ * @device_info: bitfield provides detailed info about the device
+ * @id: target id
+ * @channel: target channel
+ * @slot: number number
+ * @hidden_raid_component: set to 1 when this is a raid member
+ */
+struct _sas_device {
+	struct list_head list;
+	struct scsi_target *starget;
+	u64	sas_address;
+	u64	device_name;
+	u16	handle;
+	u16	parent_handle;
+	u16	enclosure_handle;
+	u64	enclosure_logical_id;
+	u16	volume_handle;
+	u64	volume_wwid;
+	u32	device_info;
+	int	id;
+	int	channel;
+	u16	slot;
+	u8	hidden_raid_component;
+};
+
+/**
+ * struct _raid_device - raid volume link list
+ * @list: sas device list
+ * @starget: starget object
+ * @sdev: scsi device struct (volumes are single lun)
+ * @wwid: unique identifier for the volume
+ * @handle: device handle
+ * @id: target id
+ * @channel: target channel
+ * @volume_type: the raid level
+ * @device_info: bitfield provides detailed info about the hidden components
+ * @num_pds: number of hidden raid components
+ */
+struct _raid_device {
+	struct list_head list;
+	struct scsi_target *starget;
+	struct scsi_device *sdev;
+	u64	wwid;
+	u16	handle;
+	int	id;
+	int	channel;
+	u8	volume_type;
+	u32	device_info;
+	u8	num_pds;
+};
+
+/**
+ * struct _boot_device - boot device info
+ * @is_raid: flag to indicate whether this is volume
+ * @device: holds pointer for either struct _sas_device or
+ *     struct _raid_device
+ */
+struct _boot_device {
+	u8 is_raid;
+	void *device;
+};
+
+/**
+ * struct _sas_port - wide/narrow sas port information
+ * @port_list: list of ports belonging to expander
+ * @handle: device handle for this port
+ * @sas_address: sas address of this port
+ * @num_phys: number of phys belonging to this port
+ * @remote_identify: attached device identification
+ * @rphy: sas transport rphy object
+ * @port: sas transport wide/narrow port object
+ * @phy_list: _sas_phy list objects belonging to this port
+ */
+struct _sas_port {
+	struct list_head port_list;
+	u16	handle;
+	u64	sas_address;
+	u8	num_phys;
+	struct sas_identify remote_identify;
+	struct sas_rphy *rphy;
+	struct sas_port *port;
+	struct list_head phy_list;
+};
+
+/**
+ * struct _sas_phy - phy information
+ * @port_siblings: list of phys belonging to a port
+ * @identify: phy identification
+ * @remote_identify: attached device identification
+ * @phy: sas transport phy object
+ * @phy_id: unique phy id
+ * @handle: device handle for this phy
+ * @attached_handle: device handle for attached device
+ */
+struct _sas_phy {
+	struct list_head port_siblings;
+	struct sas_identify identify;
+	struct sas_identify remote_identify;
+	struct sas_phy *phy;
+	u8	phy_id;
+	u16	handle;
+	u16	attached_handle;
+};
+
+/**
+ * struct _sas_node - sas_host/expander information
+ * @list: list of expanders
+ * @parent_dev: parent device class
+ * @num_phys: number phys belonging to this sas_host/expander
+ * @sas_address: sas address of this sas_host/expander
+ * @handle: handle for this sas_host/expander
+ * @parent_handle: parent handle
+ * @enclosure_handle: handle for this a member of an enclosure
+ * @device_info: bitwise defining capabilities of this sas_host/expander
+ * @phy: a list of phys that make up this sas_host/expander
+ * @sas_port_list: list of ports attached to this sas_host/expander
+ */
+struct _sas_node {
+	struct list_head list;
+	struct device *parent_dev;
+	u8	num_phys;
+	u64	sas_address;
+	u16	handle;
+	u16	parent_handle;
+	u16	enclosure_handle;
+	u64	enclosure_logical_id;
+	struct	_sas_phy *phy;
+	struct list_head sas_port_list;
+};
+
+/**
+ * enum reset_type - reset state
+ * @FORCE_BIG_HAMMER: issue diagnostic reset
+ * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
+ */
+enum reset_type {
+	FORCE_BIG_HAMMER,
+	SOFT_RESET,
+};
+
+/**
+ * struct request_tracker - firmware request tracker
+ * @smid: system message id
+ * @scmd: scsi request pointer
+ * @cb_idx: callback index
+ * @chain_list: list of chains associated to this IO
+ * @tracker_list: list of free request (ioc->free_list)
+ */
+struct request_tracker {
+	u16	smid;
+	struct scsi_cmnd *scmd;
+	u8	cb_idx;
+	struct list_head tracker_list;
+};
+
+typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
+
+/**
+ * struct MPT2SAS_ADAPTER - per adapter struct
+ * @list: ioc_list
+ * @shost: shost object
+ * @id: unique adapter id
+ * @pci_irq: irq number
+ * @msi_enable: msi enabled
+ * @name: generic ioc string
+ * @tmp_string: tmp string used for logging
+ * @pdev: pci pdev object
+ * @chip: memory mapped register space
+ * @chip_phys: physical addrss prior to mapping
+ * @pio_chip: I/O mapped register space
+ * @logging_level: see mpt2sas_debug.h
+ * @ir_firmware: IR firmware present
+ * @bars: bitmask of BAR's that must be configured
+ * @mask_interrupts: ignore interrupt
+ * @fault_reset_work_q_name: fw fault work queue
+ * @fault_reset_work_q: ""
+ * @fault_reset_work: ""
+ * @firmware_event_name: fw event work queue
+ * @firmware_event_thread: ""
+ * @fw_events_off: flag to turn off fw event handling
+ * @fw_event_lock:
+ * @fw_event_list: list of fw events
+ * @aen_event_read_flag: event log was read
+ * @broadcast_aen_busy: broadcast aen waiting to be serviced
+ * @ioc_reset_in_progress: host reset in progress
+ * @ioc_reset_in_progress_lock:
+ * @ioc_link_reset_in_progress: phy/hard reset in progress
+ * @ignore_loginfos: ignore loginfos during task managment
+ * @remove_host: flag for when driver unloads, to avoid sending resets to devices
+ * @scsi_io_cb_idx: shost generated commands
+ * @tm_cb_idx: task management commands
+ * @transport_cb_idx: transport internal commands
+ * @ctl_cb_idx: clt internal commands
+ * @base_cb_idx: base internal commands
+ * @config_cb_idx: base internal commands
+ * @base_cmds:
+ * @transport_cmds:
+ * @tm_cmds:
+ * @ctl_cmds:
+ * @config_cmds:
+ * @base_add_sg_single: handler for either 32/64 bit sgl's
+ * @event_type: bits indicating which events to log
+ * @event_context: unique id for each logged event
+ * @event_log: event log pointer
+ * @event_masks: events that are masked
+ * @facts: static facts data
+ * @pfacts: static port facts data
+ * @manu_pg0: static manufacturing page 0
+ * @bios_pg2: static bios page 2
+ * @bios_pg3: static bios page 3
+ * @ioc_pg8: static ioc page 8
+ * @iounit_pg0: static iounit page 0
+ * @iounit_pg1: static iounit page 1
+ * @sas_hba: sas host object
+ * @sas_expander_list: expander object list
+ * @sas_node_lock:
+ * @sas_device_list: sas device object list
+ * @sas_device_init_list: sas device object list (used only at init time)
+ * @sas_device_lock:
+ * @io_missing_delay: time for IO completed by fw when PDR enabled
+ * @device_missing_delay: time for device missing by fw when PDR enabled
+ * @config_page_sz: config page size
+ * @config_page: reserve memory for config page payload
+ * @config_page_dma:
+ * @sge_size: sg element size for either 32/64 bit
+ * @request_depth: hba request queue depth
+ * @request_sz: per request frame size
+ * @request: pool of request frames
+ * @request_dma:
+ * @request_dma_sz:
+ * @scsi_lookup: firmware request tracker list
+ * @scsi_lookup_lock:
+ * @free_list: free list of request
+ * @chain: pool of chains
+ * @chain_dma:
+ * @max_sges_in_main_message: number sg elements in main message
+ * @max_sges_in_chain_message: number sg elements per chain
+ * @chains_needed_per_io: max chains per io
+ * @chain_offset_value_for_main_message: location 1st sg in main
+ * @chain_depth: total chains allocated
+ * @sense: pool of sense
+ * @sense_dma:
+ * @sense_dma_pool:
+ * @reply_depth: hba reply queue depth:
+ * @reply_sz: per reply frame size:
+ * @reply: pool of replys:
+ * @reply_dma:
+ * @reply_dma_pool:
+ * @reply_free_queue_depth: reply free depth
+ * @reply_free: pool for reply free queue (32 bit addr)
+ * @reply_free_dma:
+ * @reply_free_dma_pool:
+ * @reply_free_host_index: tail index in pool to insert free replys
+ * @reply_post_queue_depth: reply post queue depth
+ * @reply_post_free: pool for reply post (64bit descriptor)
+ * @reply_post_free_dma:
+ * @reply_post_free_dma_pool:
+ * @reply_post_host_index: head index in the pool where FW completes IO
+ */
+struct MPT2SAS_ADAPTER {
+	struct list_head list;
+	struct Scsi_Host *shost;
+	u8		id;
+	unsigned int	pci_irq;
+	u8		msi_enable;
+	char		name[MPT_NAME_LENGTH];
+	char		tmp_string[MPT_STRING_LENGTH];
+	struct pci_dev	*pdev;
+	Mpi2SystemInterfaceRegs_t __iomem *chip;
+	unsigned long	chip_phys;
+	unsigned long	pio_chip;
+	int		logging_level;
+	u8		ir_firmware;
+	int		bars;
+	u8		mask_interrupts;
+
+	/* fw fault handler */
+	char		fault_reset_work_q_name[20];
+	struct workqueue_struct *fault_reset_work_q;
+	struct delayed_work fault_reset_work;
+
+	/* fw event handler */
+	char		firmware_event_name[20];
+	struct workqueue_struct	*firmware_event_thread;
+	u8		fw_events_off;
+	spinlock_t	fw_event_lock;
+	struct list_head fw_event_list;
+
+	 /* misc flags */
+	int		aen_event_read_flag;
+	u8		broadcast_aen_busy;
+	u8		ioc_reset_in_progress;
+	spinlock_t 	ioc_reset_in_progress_lock;
+	u8		ioc_link_reset_in_progress;
+	u8		ignore_loginfos;
+	u8		remove_host;
+	u8		wait_for_port_enable_to_complete;
+
+	/* internal commands, callback index */
+	u8		scsi_io_cb_idx;
+	u8		tm_cb_idx;
+	u8		transport_cb_idx;
+	u8		ctl_cb_idx;
+	u8		base_cb_idx;
+	u8		config_cb_idx;
+	struct _internal_cmd base_cmds;
+	struct _internal_cmd transport_cmds;
+	struct _internal_cmd tm_cmds;
+	struct _internal_cmd ctl_cmds;
+	struct _internal_cmd config_cmds;
+
+	MPT_ADD_SGE	base_add_sg_single;
+
+	/* event log */
+	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
+	u32		event_context;
+	void		*event_log;
+	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
+
+	/* static config pages */
+	Mpi2IOCFactsReply_t facts;
+	Mpi2PortFactsReply_t *pfacts;
+	Mpi2ManufacturingPage0_t manu_pg0;
+	Mpi2BiosPage2_t	bios_pg2;
+	Mpi2BiosPage3_t	bios_pg3;
+	Mpi2IOCPage8_t ioc_pg8;
+	Mpi2IOUnitPage0_t iounit_pg0;
+	Mpi2IOUnitPage1_t iounit_pg1;
+
+	struct _boot_device req_boot_device;
+	struct _boot_device req_alt_boot_device;
+	struct _boot_device current_boot_device;
+
+	/* sas hba, expander, and device list */
+	struct _sas_node sas_hba;
+	struct list_head sas_expander_list;
+	spinlock_t	sas_node_lock;
+	struct list_head sas_device_list;
+	struct list_head sas_device_init_list;
+	spinlock_t	sas_device_lock;
+	struct list_head raid_device_list;
+	spinlock_t	raid_device_lock;
+	u8		io_missing_delay;
+	u16		device_missing_delay;
+	int		sas_id;
+
+	/* config page */
+	u16		config_page_sz;
+	void 		*config_page;
+	dma_addr_t	config_page_dma;
+
+	/* request */
+	u16		sge_size;
+	u16 		request_depth;
+	u16		request_sz;
+	u8		*request;
+	dma_addr_t	request_dma;
+	u32		request_dma_sz;
+	struct request_tracker *scsi_lookup;
+	spinlock_t scsi_lookup_lock;
+	struct list_head free_list;
+
+	/* chain */
+	u8		*chain;
+	dma_addr_t	chain_dma;
+	u16 		max_sges_in_main_message;
+	u16		max_sges_in_chain_message;
+	u16		chains_needed_per_io;
+	u16		chain_offset_value_for_main_message;
+	u16		chain_depth;
+
+	/* sense */
+	u8		*sense;
+	dma_addr_t	sense_dma;
+	struct dma_pool *sense_dma_pool;
+
+	/* reply */
+	u16		reply_sz;
+	u8		*reply;
+	dma_addr_t	reply_dma;
+	struct dma_pool *reply_dma_pool;
+
+	/* reply free queue */
+	u16 		reply_free_queue_depth;
+	u32		*reply_free;
+	dma_addr_t	reply_free_dma;
+	struct dma_pool *reply_free_dma_pool;
+	u32		reply_free_host_index;
+
+	/* reply post queue */
+	u16 		reply_post_queue_depth;
+	Mpi2DefaultReplyDescriptor_t *reply_post_free;
+	dma_addr_t	reply_post_free_dma;
+	struct dma_pool *reply_post_free_dma_pool;
+	u32		reply_post_host_index;
+
+	/* diag buffer support */
+	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
+	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
+	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
+	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
+	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
+	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; /*MPT2_PRODUCT_SPECIFIC_DWORDS */
+	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
+};
+
+typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
+
+
+/* base shared API */
+extern struct list_head ioc_list;
+
+int base_attach(struct MPT2SAS_ADAPTER *ioc);
+void base_detach(struct MPT2SAS_ADAPTER *ioc);
+int base_map_resources(struct MPT2SAS_ADAPTER *ioc);
+void base_free_resources(struct MPT2SAS_ADAPTER *ioc);
+int base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, enum reset_type type);
+
+void * base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
+void * base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
+void base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
+dma_addr_t base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
+dma_addr_t base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
+
+u16 base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
+void base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
+void base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id, u16 handle);
+void base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
+void base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id, u16 io_index);
+void base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
+void base_initialize_callback_handler(void);
+u8 base_register_callback_handler(MPT_CALLBACK cb_func);
+void base_release_callback_handler(u8 cb_idx);
+
+void base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
+void * base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
+
+u32 base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
+
+void base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
+int base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, Mpi2SasIoUnitControlReply_t
+    *mpi_reply, Mpi2SasIoUnitControlRequest_t *mpi_request);
+int base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, Mpi2SepReply_t
+    *mpi_reply, Mpi2SepRequest_t *mpi_request);
+void scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
+    u8 type, u16 smid_task, ulong timeout);
+void scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
+void scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
+
+struct _sas_node *scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle);
+struct _sas_node *scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
+struct _sas_device *scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
+    u64 sas_address);
+
+void base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
+
+/* scsih shared API */
+void scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
+void scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
+
+/* config shared API */
+void config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
+int config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
+int config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2ManufacturingPage0_t *config_page);
+int config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2BiosPage2_t *config_page);
+int config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2BiosPage3_t *config_page);
+int config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2IOUnitPage0_t *config_page);
+int config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
+int config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
+int config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasIOUnitPage0_t *config_page, u16 sz);
+int config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2IOUnitPage1_t *config_page);
+int config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2IOUnitPage1_t config_page);
+int config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasIOUnitPage1_t *config_page, u16 sz);
+int config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2IOCPage8_t *config_page);
+int config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
+int config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
+int config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
+int config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasPhyPage0_t *config_page, u32 phy_number);
+int config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply,
+    Mpi2SasPhyPage1_t *config_page, u32 phy_number);
+int config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
+    *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
+int config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
+int config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
+    *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
+int config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
+    *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, u32 form_specific);
+int config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, u16 *volume_handle);
+int config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, u64 *wwid);
+
+/* ctl shared API */
+extern struct device_attribute *mpt2sas_host_attrs[];
+extern struct device_attribute *mpt2sas_dev_attrs[];
+void ctl_init(void);
+void ctl_exit(void);
+void ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
+void ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
+void ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
+void ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, Mpi2EventNotificationReply_t *mpi_reply);
+
+/* transport shared API */
+void transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
+struct _sas_port * transport_port_add(struct MPT2SAS_ADAPTER *ioc,
+    u16 handle, u16 parent_handle);
+void transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, u16 parent_handle);
+int transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy *mpt2sas_phy,
+    Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
+int transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy *mpt2sas_phy,
+    Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
+void transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle,
+   u16 attached_handle, u8 phy_number, u8 link_rate);
+extern struct sas_function_template mpt2sas_transport_functions;
+extern struct scsi_transport_template *mpt2sas_transport_template;
+
+#endif /* MPT2SAS_BASE_H_INCLUDED */
--
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