iser_memory.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/scatterlist.h>
#include "iscsi_iser.h"

Go to the source code of this file.

Macros
#define	ISER_KMALLOC_THRESHOLD   0x20000 /* 128K - kmalloc limit */
#define	IS_4K_ALIGNED(addr)   ((((unsigned long)addr) & ~MASK_4K) == 0)

Functions
void	iser_finalize_rdma_unaligned_sg (struct iscsi_iser_task *iser_task, enum iser_data_dir cmd_dir)
int	iser_dma_map_task_data (struct iscsi_iser_task *iser_task, struct iser_data_buf *data, enum iser_data_dir iser_dir, enum dma_data_direction dma_dir)
void	iser_dma_unmap_task_data (struct iscsi_iser_task *iser_task)
int	iser_reg_rdma_mem (struct iscsi_iser_task *iser_task, enum iser_data_dir cmd_dir)

Macro Definition Documentation

#define IS_4K_ALIGNED

(

addr

)

((((unsigned long)addr) & ~MASK_4K) == 0)

Definition at line 156 of file iser_memory.c.

#define ISER_KMALLOC_THRESHOLD   0x20000 /* 128K - kmalloc limit */

Definition at line 41 of file iser_memory.c.

Function Documentation

int iser_dma_map_task_data	(	struct iscsi_iser_task *	iser_task,
		struct iser_data_buf *	data,
		enum iser_data_dir	iser_dir,
		enum dma_data_direction	dma_dir
	)

Definition at line 313 of file iser_memory.c.

void iser_dma_unmap_task_data

(

struct iscsi_iser_task *

iser_task

)

Definition at line 331 of file iser_memory.c.

void iser_finalize_rdma_unaligned_sg	(	struct iscsi_iser_task *	iser_task,
		enum iser_data_dir	cmd_dir
	)

iser_finalize_rdma_unaligned_sg

Definition at line 107 of file iser_memory.c.

int iser_reg_rdma_mem	(	struct iscsi_iser_task *	iser_task,
		enum iser_data_dir	cmd_dir
	)

iser_reg_rdma_mem - Registers memory intended for RDMA, obtaining rkey and va

returns 0 on success, errno code on failure

Definition at line 355 of file iser_memory.c.