blkback.c File Reference

#include <linux/spinlock.h>
#include <linux/kthread.h>
#include <linux/list.h>
#include <linux/delay.h>
#include <linux/freezer.h>
#include <xen/events.h>
#include <xen/page.h>
#include <xen/xen.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
#include "common.h"

Go to the source code of this file.

Data Structures
struct	pending_req
struct	xen_blkbk
struct	seg_buf

Macros
#define	BLKBACK_INVALID_HANDLE   (~0)
#define	pending_page(req, seg)   pending_pages[vaddr_pagenr(req, seg)]
#define	pending_handle(_req, _seg)   (blkbk->pending_grant_handles[vaddr_pagenr(_req, _seg)])

Functions
	module_param_named (reqs, xen_blkif_reqs, int, 0)
	MODULE_PARM_DESC (reqs,"Number of blkback requests to allocate")
	module_param (log_stats, int, 0644)
irqreturn_t	xen_blkif_be_int (int irq, void *dev_id)
int	xen_blkif_schedule (void *arg)
	module_init (xen_blkif_init)
	MODULE_LICENSE ("Dual BSD/GPL")
	MODULE_ALIAS ("xen-backend:vbd")

Macro Definition Documentation

#define BLKBACK_INVALID_HANDLE   (~0)

Definition at line 84 of file blkback.c.

#define pending_handle	(		_req,
			_seg
	)		(blkbk->pending_grant_handles[vaddr_pagenr(_req, _seg)])

Definition at line 121 of file blkback.c.

#define pending_page	(		req,
			seg
	)		pending_pages[vaddr_pagenr(req, seg)]

Definition at line 113 of file blkback.c.

Function Documentation

MODULE_ALIAS

(

"xen-backend:vbd"

)

module_init

(

xen_blkif_init

)

MODULE_LICENSE

(

"Dual BSD/GPL"

)

module_param	(	log_stats	,
		int	,
		0644
	)

module_param_named	(	reqs	,
		xen_blkif_reqs	,
		int	,
		0
	)

MODULE_PARM_DESC	(	reqs	,
		"Number of blkback requests to allocate"
	)

irqreturn_t xen_blkif_be_int	(	int	irq,
		void *	dev_id
	)

Definition at line 250 of file blkback.c.

int xen_blkif_schedule

(

void *

arg

)

Definition at line 274 of file blkback.c.