megaraid_sas_fp.c File Reference

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/moduleparam.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/uio.h>
#include <linux/uaccess.h>
#include <linux/fs.h>
#include <linux/compat.h>
#include <linux/blkdev.h>
#include <linux/poll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include "megaraid_sas_fusion.h"
#include "megaraid_sas.h"
#include <asm/div64.h>

Go to the source code of this file.

Macros
#define	ABS_DIFF(a, b)   (((a) > (b)) ? ((a) - (b)) : ((b) - (a)))
#define	MR_LD_STATE_OPTIMAL   3
#define	FALSE   0
#define	TRUE   1

Functions
void	mr_update_load_balance_params (struct MR_FW_RAID_MAP_ALL *map, struct LD_LOAD_BALANCE_INFO *lbInfo)
u32	mega_mod64 (u64 dividend, u32 divisor)
u64	mega_div64_32 (uint64_t dividend, uint32_t divisor)
struct MR_LD_RAID *	MR_LdRaidGet (u32 ld, struct MR_FW_RAID_MAP_ALL *map)
u16	MR_GetLDTgtId (u32 ld, struct MR_FW_RAID_MAP_ALL *map)
u16	MR_TargetIdToLdGet (u32 ldTgtId, struct MR_FW_RAID_MAP_ALL *map)
u8	MR_ValidateMapInfo (struct MR_FW_RAID_MAP_ALL *map, struct LD_LOAD_BALANCE_INFO *lbInfo)
u32	MR_GetSpanBlock (u32 ld, u64 row, u64 *span_blk, struct MR_FW_RAID_MAP_ALL *map, int *div_error)
u8	MR_GetPhyParams (struct megasas_instance *instance, u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock, u16 *pDevHandle, struct RAID_CONTEXT *pRAID_Context, struct MR_FW_RAID_MAP_ALL *map)
u8	MR_BuildRaidContext (struct megasas_instance *instance, struct IO_REQUEST_INFO *io_info, struct RAID_CONTEXT *pRAID_Context, struct MR_FW_RAID_MAP_ALL *map)
u8	megasas_get_best_arm (struct LD_LOAD_BALANCE_INFO *lbInfo, u8 arm, u64 block, u32 count)
u16	get_updated_dev_handle (struct LD_LOAD_BALANCE_INFO *lbInfo, struct IO_REQUEST_INFO *io_info)

Macro Definition Documentation

#define ABS_DIFF	(		a,
			b
	)		(((a) > (b)) ? ((a) - (b)) : ((b) - (a)))

Definition at line 58 of file megaraid_sas_fp.c.

#define FALSE   0

Definition at line 60 of file megaraid_sas_fp.c.

#define MR_LD_STATE_OPTIMAL   3

Definition at line 59 of file megaraid_sas_fp.c.

#define TRUE   1

Definition at line 61 of file megaraid_sas_fp.c.

Function Documentation

u16 get_updated_dev_handle	(	struct LD_LOAD_BALANCE_INFO *	lbInfo,
		struct IO_REQUEST_INFO *	io_info
	)

Definition at line 516 of file megaraid_sas_fp.c.

u64 mega_div64_32	(	uint64_t	dividend,
		uint32_t	divisor
	)

Parameters

dividend	: Dividend
divisor	: Divisor

Returns

quotient

Definition at line 86 of file megaraid_sas_fp.c.

u32 mega_mod64	(	u64	dividend,
		u32	divisor
	)

Definition at line 68 of file megaraid_sas_fp.c.

u8 megasas_get_best_arm	(	struct LD_LOAD_BALANCE_INFO *	lbInfo,
		u8	arm,
		u64	block,
		u32	count
	)

Definition at line 490 of file megaraid_sas_fp.c.

u8 MR_BuildRaidContext	(	struct megasas_instance *	instance,
		struct IO_REQUEST_INFO *	io_info,
		struct RAID_CONTEXT *	pRAID_Context,
		struct MR_FW_RAID_MAP_ALL *	map
	)

Definition at line 314 of file megaraid_sas_fp.c.

u16 MR_GetLDTgtId	(	u32	ld,
		struct MR_FW_RAID_MAP_ALL *	map
	)

Definition at line 132 of file megaraid_sas_fp.c.

u8 MR_GetPhyParams	(	struct megasas_instance *	instance,
		u32	ld,
		u64	stripRow,
		u16	stripRef,
		u64 *	pdBlock,
		u16 *	pDevHandle,
		struct RAID_CONTEXT *	pRAID_Context,
		struct MR_FW_RAID_MAP_ALL *	map
	)

Definition at line 230 of file megaraid_sas_fp.c.

u32 MR_GetSpanBlock	(	u32	ld,
		u64	row,
		u64 *	span_blk,
		struct MR_FW_RAID_MAP_ALL *	map,
		int *	div_error
	)

Definition at line 175 of file megaraid_sas_fp.c.

struct MR_LD_RAID* MR_LdRaidGet ( u32  ld, struct MR_FW_RAID_MAP_ALL *  map  )

read

Definition at line 100 of file megaraid_sas_fp.c.

u16 MR_TargetIdToLdGet	(	u32	ldTgtId,
		struct MR_FW_RAID_MAP_ALL *	map
	)

Definition at line 137 of file megaraid_sas_fp.c.

void mr_update_load_balance_params	(	struct MR_FW_RAID_MAP_ALL *	map,
		struct LD_LOAD_BALANCE_INFO *	lbInfo
	)

Definition at line 447 of file megaraid_sas_fp.c.

u8 MR_ValidateMapInfo	(	struct MR_FW_RAID_MAP_ALL *	map,
		struct LD_LOAD_BALANCE_INFO *	lbInfo
	)

Definition at line 151 of file megaraid_sas_fp.c.