mptscsih.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/kdev_t.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/reboot.h>
#include <linux/workqueue.h>
#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_dbg.h>
#include "mptbase.h"
#include "mptscsih.h"
#include "lsi/mpi_log_sas.h"

Go to the source code of this file.

Data Structures
struct	info_str

Macros
#define	my_NAME   "Fusion MPT SCSI Host driver"
#define	my_VERSION   MPT_LINUX_VERSION_COMMON
#define	MYNAM   "mptscsih"
#define	SNS_LEN(scp)   SCSI_SENSE_BUFFERSIZE
#define	ADD_INDEX_LOG(req_ent)   do { } while(0)

Functions
	MODULE_AUTHOR (MODULEAUTHOR)
	MODULE_DESCRIPTION (my_NAME)
	MODULE_LICENSE ("GPL")
	MODULE_VERSION (my_VERSION)
struct scsi_cmnd *	mptscsih_get_scsi_lookup (MPT_ADAPTER *ioc, int i)
int	mptscsih_io_done (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r)
int	mptscsih_taskmgmt_complete (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r)
int	mptscsih_IssueTaskMgmt (MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
int	mptscsih_ioc_reset (MPT_ADAPTER *ioc, int post_reset)
int	mptscsih_event_process (MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
void	mptscsih_taskmgmt_response_code (MPT_ADAPTER *ioc, u8 response_code)
int	mptscsih_scandv_complete (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r)
void	mptscsih_remove (struct pci_dev *)
void	mptscsih_shutdown (struct pci_dev *)
void	mptscsih_flush_running_cmds (MPT_SCSI_HOST *hd)
	EXPORT_SYMBOL (mptscsih_flush_running_cmds)
const char *	mptscsih_info (struct Scsi_Host *SChost)
int	mptscsih_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length, int func)
int	mptscsih_qcmd (struct scsi_cmnd *SCpnt, void(*done)(struct scsi_cmnd *))
	EXPORT_SYMBOL (mptscsih_IssueTaskMgmt)
int	mptscsih_abort (struct scsi_cmnd *SCpnt)
int	mptscsih_dev_reset (struct scsi_cmnd *SCpnt)
int	mptscsih_bus_reset (struct scsi_cmnd *SCpnt)
int	mptscsih_host_reset (struct scsi_cmnd *SCpnt)
	EXPORT_SYMBOL (mptscsih_taskmgmt_response_code)
int	mptscsih_bios_param (struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[])
int	mptscsih_is_phys_disk (MPT_ADAPTER *ioc, u8 channel, u8 id)
	EXPORT_SYMBOL (mptscsih_is_phys_disk)
u8	mptscsih_raid_id_to_num (MPT_ADAPTER *ioc, u8 channel, u8 id)
	EXPORT_SYMBOL (mptscsih_raid_id_to_num)
void	mptscsih_slave_destroy (struct scsi_device *sdev)
int	mptscsih_change_queue_depth (struct scsi_device *sdev, int qdepth, int reason)
int	mptscsih_slave_configure (struct scsi_device *sdev)
	EXPORT_SYMBOL (mptscsih_get_scsi_lookup)
	EXPORT_SYMBOL (mptscsih_host_attrs)
	EXPORT_SYMBOL (mptscsih_remove)
	EXPORT_SYMBOL (mptscsih_shutdown)
	EXPORT_SYMBOL (mptscsih_proc_info)
	EXPORT_SYMBOL (mptscsih_info)
	EXPORT_SYMBOL (mptscsih_qcmd)
	EXPORT_SYMBOL (mptscsih_slave_destroy)
	EXPORT_SYMBOL (mptscsih_slave_configure)
	EXPORT_SYMBOL (mptscsih_abort)
	EXPORT_SYMBOL (mptscsih_dev_reset)
	EXPORT_SYMBOL (mptscsih_bus_reset)
	EXPORT_SYMBOL (mptscsih_host_reset)
	EXPORT_SYMBOL (mptscsih_bios_param)
	EXPORT_SYMBOL (mptscsih_io_done)
	EXPORT_SYMBOL (mptscsih_taskmgmt_complete)
	EXPORT_SYMBOL (mptscsih_scandv_complete)
	EXPORT_SYMBOL (mptscsih_event_process)
	EXPORT_SYMBOL (mptscsih_ioc_reset)
	EXPORT_SYMBOL (mptscsih_change_queue_depth)

Variables
struct device_attribute *	mptscsih_host_attrs []

Macro Definition Documentation

#define ADD_INDEX_LOG

(

req_ent

)

do { } while(0)

Definition at line 1384 of file mptscsih.c.

#define my_NAME   "Fusion MPT SCSI Host driver"

Definition at line 71 of file mptscsih.c.

#define my_VERSION   MPT_LINUX_VERSION_COMMON

Definition at line 72 of file mptscsih.c.

#define MYNAM   "mptscsih"

Definition at line 73 of file mptscsih.c.

#define SNS_LEN

(

scp

)

SCSI_SENSE_BUFFERSIZE

Definition at line 121 of file mptscsih.c.

Function Documentation

EXPORT_SYMBOL

(

mptscsih_flush_running_cmds

)

EXPORT_SYMBOL

(

mptscsih_IssueTaskMgmt

)

EXPORT_SYMBOL

(

mptscsih_taskmgmt_response_code

)

EXPORT_SYMBOL

(

mptscsih_is_phys_disk

)

EXPORT_SYMBOL

(

mptscsih_raid_id_to_num

)

EXPORT_SYMBOL

(

mptscsih_get_scsi_lookup

)

EXPORT_SYMBOL

(

mptscsih_host_attrs

)

EXPORT_SYMBOL

(

mptscsih_remove

)

EXPORT_SYMBOL

(

mptscsih_shutdown

)

EXPORT_SYMBOL

(

mptscsih_proc_info

)

EXPORT_SYMBOL

(

mptscsih_info

)

EXPORT_SYMBOL

(

mptscsih_qcmd

)

EXPORT_SYMBOL

(

mptscsih_slave_destroy

)

EXPORT_SYMBOL

(

mptscsih_slave_configure

)

EXPORT_SYMBOL

(

mptscsih_abort

)

EXPORT_SYMBOL

(

mptscsih_dev_reset

)

EXPORT_SYMBOL

(

mptscsih_bus_reset

)

EXPORT_SYMBOL

(

mptscsih_host_reset

)

EXPORT_SYMBOL

(

mptscsih_bios_param

)

EXPORT_SYMBOL

(

mptscsih_io_done

)

EXPORT_SYMBOL

(

mptscsih_taskmgmt_complete

)

EXPORT_SYMBOL

(

mptscsih_scandv_complete

)

EXPORT_SYMBOL

(

mptscsih_event_process

)

EXPORT_SYMBOL

(

mptscsih_ioc_reset

)

EXPORT_SYMBOL

(

mptscsih_change_queue_depth

)

MODULE_AUTHOR

(

MODULEAUTHOR

)

MODULE_DESCRIPTION

(

my_NAME

)

MODULE_LICENSE

(

"GPL"

)

MODULE_VERSION

(

my_VERSION

)

int mptscsih_abort

(

struct scsi_cmnd *

SCpnt

)

mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant : Pointer to scsi_cmnd structure, IO to be aborted

(linux scsi_host_template.eh_abort_handler routine)

Returns SUCCESS or FAILED.

Definition at line 1775 of file mptscsih.c.

int mptscsih_bios_param	(	struct scsi_device *	sdev,
		struct block_device *	bdev,
		sector_t	capacity,
		int	geom[]
	)

Definition at line 2178 of file mptscsih.c.

int mptscsih_bus_reset

(

struct scsi_cmnd *

SCpnt

)

mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant : Pointer to scsi_cmnd structure, IO which reset is due to

(linux scsi_host_template.eh_bus_reset_handler routine)

Returns SUCCESS or FAILED.

Definition at line 1958 of file mptscsih.c.

int mptscsih_change_queue_depth	(	struct scsi_device *	sdev,
		int	qdepth,
		int	reason
	)

Definition at line 2407 of file mptscsih.c.

int mptscsih_dev_reset

(

struct scsi_cmnd *

SCpnt

)

mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant : Pointer to scsi_cmnd structure, IO which reset is due to

(linux scsi_host_template.eh_dev_reset_handler routine)

Returns SUCCESS or FAILED.

Definition at line 1898 of file mptscsih.c.

int mptscsih_event_process	(	MPT_ADAPTER *	ioc,
		EventNotificationReply_t *	pEvReply
	)

Definition at line 2686 of file mptscsih.c.

void mptscsih_flush_running_cmds

(

MPT_SCSI_HOST *

hd

)

Definition at line 1029 of file mptscsih.c.

struct scsi_cmnd * mptscsih_get_scsi_lookup ( MPT_ADAPTER *  ioc, int  i  )

read

mptscsih_get_scsi_lookup - retrieves scmd entry : Pointer to MPT_ADAPTER structure : index into the array

Returns the scsi_cmd pointer

Definition at line 2572 of file mptscsih.c.

int mptscsih_host_reset

(

struct scsi_cmnd *

SCpnt

)

mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) : Pointer to scsi_cmnd structure, IO which reset is due to

(linux scsi_host_template.eh_host_reset_handler routine)

Returns SUCCESS or FAILED.

Definition at line 2008 of file mptscsih.c.

const char* mptscsih_info

(

struct Scsi_Host *

SChost

)

mptscsih_info - Return information about MPT adapter : Pointer to Scsi_Host structure

(linux scsi_host_template.info routine)

Returns pointer to buffer where information was written.

Definition at line 1266 of file mptscsih.c.

int mptscsih_io_done	(	MPT_ADAPTER *	ioc,
		MPT_FRAME_HDR *	mf,
		MPT_FRAME_HDR *	r
	)

Definition at line 588 of file mptscsih.c.

int mptscsih_ioc_reset	(	MPT_ADAPTER *	ioc,
		int	post_reset
	)

Definition at line 2651 of file mptscsih.c.

int mptscsih_is_phys_disk	(	MPT_ADAPTER *	ioc,
		u8	channel,
		u8	id
	)

Definition at line 2217 of file mptscsih.c.

int mptscsih_IssueTaskMgmt	(	MPT_SCSI_HOST *	hd,
		u8	type,
		u8	channel,
		u8	id,
		int	lun,
		int	ctx2abort,
		ulong	timeout
	)

mptscsih_IssueTaskMgmt - Generic send Task Management function. : Pointer to MPT_SCSI_HOST structure : Task Management type : channel number for task management : Logical Target ID for reset (if appropriate) : Logical Unit for reset (if appropriate) : Context for the task to be aborted (if appropriate) : timeout for task management control

Remark: _HardResetHandler can be invoked from an interrupt thread (timer) or a non-interrupt thread. In the former, must not call schedule().

Not all fields are meaningfull for all task types.

Returns 0 for SUCCESS, or FAILED.

Definition at line 1606 of file mptscsih.c.

int mptscsih_proc_info	(	struct Scsi_Host *	host,
		char *	buffer,
		char **	start,
		off_t	offset,
		int	length,
		int	func
	)

mptscsih_proc_info - Return information about MPT adapter : scsi host struct : if write, user data; if read, buffer for user : returns the buffer address : if write, 0; if read, the current offset into the buffer from the previous read. : if write, return length; : write = 1; read = 0

(linux scsi_host_template.info routine)

Definition at line 1362 of file mptscsih.c.

int mptscsih_qcmd	(	struct scsi_cmnd *	SCpnt,
		void(*)(struct scsi_cmnd *)	done
	)

mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. : Pointer to scsi_cmnd structure : Pointer SCSI mid-layer IO completion function

(linux scsi_host_template.queuecommand routine) This is the primary SCSI IO start routine. Create a MPI SCSIIORequest from a linux scsi_cmnd request and send it to the IOC.

Returns 0. (rtn value discarded by linux scsi mid-layer)

Definition at line 1399 of file mptscsih.c.

u8 mptscsih_raid_id_to_num	(	MPT_ADAPTER *	ioc,
		u8	channel,
		u8	id
	)

Definition at line 2295 of file mptscsih.c.

void mptscsih_remove

(

struct pci_dev *

pdev

)

Definition at line 1171 of file mptscsih.c.

int mptscsih_scandv_complete	(	MPT_ADAPTER *	ioc,
		MPT_FRAME_HDR *	mf,
		MPT_FRAME_HDR *	r
	)

Definition at line 2728 of file mptscsih.c.

void mptscsih_shutdown

(

struct pci_dev *

pdev

)

Definition at line 1215 of file mptscsih.c.

int mptscsih_slave_configure

(

struct scsi_device *

sdev

)

Definition at line 2454 of file mptscsih.c.

void mptscsih_slave_destroy

(

struct scsi_device *

sdev

)

Definition at line 2376 of file mptscsih.c.

int mptscsih_taskmgmt_complete	(	MPT_ADAPTER *	ioc,
		MPT_FRAME_HDR *	mf,
		MPT_FRAME_HDR *	mr
	)

mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver : Pointer to MPT_ADAPTER structure : Pointer to SCSI task mgmt request frame : Pointer to SCSI task mgmt reply frame

This routine is called from mptbase.c::mpt_interrupt() at the completion of any SCSI task management request. This routine is registered with the MPT (base) driver at driver load/init time via the mpt_register() API call.

Returns 1 indicating alloc'd request frame ptr should be freed.

Definition at line 2147 of file mptscsih.c.

void mptscsih_taskmgmt_response_code	(	MPT_ADAPTER *	ioc,
		u8	response_code
	)

Definition at line 2097 of file mptscsih.c.

Variable Documentation

struct device_attribute* mptscsih_host_attrs[]

Initial value:

= {
    &dev_attr_version_fw,
    &dev_attr_version_bios,
    &dev_attr_version_mpi,
    &dev_attr_version_product,
    &dev_attr_version_nvdata_persistent,
    &dev_attr_version_nvdata_default,
    &dev_attr_board_name,
    &dev_attr_board_assembly,
    &dev_attr_board_tracer,
    &dev_attr_io_delay,
    &dev_attr_device_delay,
    &dev_attr_debug_level,
    NULL,
}

Definition at line 3326 of file mptscsih.c.