[mirror_ubuntu-eoan-kernel.git] / include / scsi / scsi_request.h

#ifndef _SCSI_SCSI_REQUEST_H
#define _SCSI_SCSI_REQUEST_H

#include <linux/blk-mq.h>

#define BLK_MAX_CDB	16

struct scsi_request {
	unsigned char	__cmd[BLK_MAX_CDB];
	unsigned char	*cmd;
	unsigned short	cmd_len;
	unsigned int	sense_len;
	unsigned int	resid_len;	/* residual count */
	int		retries;
	void		*sense;
};

static inline struct scsi_request *scsi_req(struct request *rq)
{
	return blk_mq_rq_to_pdu(rq);
}

static inline void scsi_req_free_cmd(struct scsi_request *req)
{
	if (req->cmd != req->__cmd)
		kfree(req->cmd);
}

void scsi_req_init(struct request *);

#endif /* _SCSI_SCSI_REQUEST_H */
Commit	Line	Data
82ed4db4 CH	1	#ifndef _SCSI_SCSI_REQUEST_H
	2	#define _SCSI_SCSI_REQUEST_H
	3
	4	#include <linux/blk-mq.h>
	5
	6	#define BLK_MAX_CDB 16
	7
	8	struct scsi_request {
	9	unsigned char __cmd[BLK_MAX_CDB];
	10	unsigned char *cmd;
	11	unsigned short cmd_len;
	12	unsigned int sense_len;
	13	unsigned int resid_len; /* residual count */
64c7f1d1	14	int retries;
82ed4db4 CH	15	void *sense;
	16	};
	17
	18	static inline struct scsi_request scsi_req(struct request rq)
	19	{
	20	return blk_mq_rq_to_pdu(rq);
	21	}
	22
	23	static inline void scsi_req_free_cmd(struct scsi_request *req)
	24	{
	25	if (req->cmd != req->__cmd)
	26	kfree(req->cmd);
	27	}
	28
	29	void scsi_req_init(struct request *);
	30
	31	#endif /* _SCSI_SCSI_REQUEST_H */