simscsi.h

linux-2.4.29操作系统的源码

/*
 * Simulated SCSI driver.
 *
 * Copyright (C) 1999, 2002 Hewlett-Packard Co
 *	David Mosberger-Tang <[e-mail]>
 */
#ifndef SIMSCSI_H
#define SIMSCSI_H

#define SIMSCSI_REQ_QUEUE_LEN	64

#define DEFAULT_SIMSCSI_ROOT	"/var/ski-disks/sd"

extern int simscsi_detect (Scsi_Host_Template *);
extern int simscsi_release (struct Scsi_Host *);
extern const char *simscsi_info (struct Scsi_Host *);
extern int simscsi_queuecommand (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int simscsi_abort (Scsi_Cmnd *);
extern int simscsi_reset (Scsi_Cmnd *, unsigned int);
extern int simscsi_biosparam (Disk *, kdev_t, int[]);

#define SIMSCSI {						\
	.detect			= simscsi_detect,		\
	.release		= simscsi_release,		\
	.info			= simscsi_info,			\
	.queuecommand		= simscsi_queuecommand,		\
	.abort			= simscsi_abort,		\
	.reset			= simscsi_reset,		\
	.bios_param		= simscsi_biosparam,		\
	.can_queue		= SIMSCSI_REQ_QUEUE_LEN,	\
	.this_id		= -1,				\
	.sg_tablesize		= SG_ALL,			\
	.cmd_per_lun		= SIMSCSI_REQ_QUEUE_LEN,	\
	.present		= 0,				\
	.unchecked_isa_dma	= 0,				\
	.use_clustering		= DISABLE_CLUSTERING		\
}

#endif /* SIMSCSI_H */