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fc_encode.h	21.03 KB	-rw-r--r--
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fcoe_sysfs.h	3.15 KB	-rw-r--r--
iscsi_if.h	25.55 KB	-rw-r--r--
iscsi_proto.h	15.54 KB	-rw-r--r--
iser.h	2.34 KB	-rw-r--r--
libfc.h	30.93 KB	-rw-r--r--
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libiscsi.h	13.71 KB	-rw-r--r--
libiscsi_tcp.h	3.8 KB	-rw-r--r--
libsas.h	17.83 KB	-rw-r--r--
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scsi.h	8.63 KB	-rw-r--r--
scsi_bsg_iscsi.h	2.16 KB	-rw-r--r--
scsi_cmnd.h	9.16 KB	-rw-r--r--
scsi_common.h	2.27 KB	-rw-r--r--
scsi_dbg.h	2.08 KB	-rw-r--r--
scsi_device.h	20.95 KB	-rw-r--r--
scsi_devinfo.h	3.69 KB	-rw-r--r--
scsi_dh.h	2.51 KB	-rw-r--r--
scsi_driver.h	897 B	-rw-r--r--
scsi_eh.h	1.62 KB	-rw-r--r--
scsi_host.h	26.36 KB	-rw-r--r--
scsi_ioctl.h	1.25 KB	-rw-r--r--
scsi_proto.h	10.7 KB	-rw-r--r--
scsi_request.h	667 B	-rw-r--r--
scsi_tcq.h	961 B	-rw-r--r--
scsi_transport.h	2.55 KB	-rw-r--r--
scsi_transport_fc.h	26.28 KB	-rw-r--r--
scsi_transport_iscsi.h	16.59 KB	-rw-r--r--
scsi_transport_sas.h	6.79 KB	-rw-r--r--
scsi_transport_spi.h	6.53 KB	-rw-r--r--
scsi_transport_srp.h	4.77 KB	-rw-r--r--
scsicam.h	713 B	-rw-r--r--
sg.h	12.13 KB	-rw-r--r--
srp.h	7.06 KB	-rw-r--r--
viosrp.h	5.41 KB	-rw-r--r--

Code Editor : scsi_dh.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Header file for SCSI device handler infrastruture.
 *
 * Modified version of patches posted by Mike Christie <michaelc@cs.wisc.edu>
 *
 * Copyright IBM Corporation, 2007
 *      Authors:
 *               Chandra Seetharaman <sekharan@us.ibm.com>
 *               Mike Anderson <andmike@linux.vnet.ibm.com>
 */

#include <scsi/scsi_device.h>

enum {
	SCSI_DH_OK = 0,
	/*
	 * device errors
	 */
	SCSI_DH_DEV_FAILED,	/* generic device error */
	SCSI_DH_DEV_TEMP_BUSY,
	SCSI_DH_DEV_UNSUPP,	/* device handler not supported */
	SCSI_DH_DEVICE_MAX,	/* max device blkerr definition */

/*
	 * transport errors
	 */
	SCSI_DH_NOTCONN = SCSI_DH_DEVICE_MAX + 1,
	SCSI_DH_CONN_FAILURE,
	SCSI_DH_TRANSPORT_MAX,	/* max transport blkerr definition */

/*
	 * driver and generic errors
	 */
	SCSI_DH_IO = SCSI_DH_TRANSPORT_MAX + 1,	/* generic error */
	SCSI_DH_INVALID_IO,
	SCSI_DH_RETRY,		/* retry the req, but not immediately */
	SCSI_DH_IMM_RETRY,	/* immediately retry the req */
	SCSI_DH_TIMED_OUT,
	SCSI_DH_RES_TEMP_UNAVAIL,
	SCSI_DH_DEV_OFFLINED,
	SCSI_DH_NOMEM,
	SCSI_DH_NOSYS,
	SCSI_DH_DRIVER_MAX,
};

typedef void (*activate_complete)(void *, int);
struct scsi_device_handler {
	/* Used by the infrastructure */
	struct list_head list; /* list of scsi_device_handlers */

/* Filled by the hardware handler */
	struct module *module;
	const char *name;
	int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
	int (*attach)(struct scsi_device *);
	void (*detach)(struct scsi_device *);
	int (*activate)(struct scsi_device *, activate_complete, void *);
	blk_status_t (*prep_fn)(struct scsi_device *, struct request *);
	int (*set_params)(struct scsi_device *, const char *);
	void (*rescan)(struct scsi_device *);
};

#ifdef CONFIG_SCSI_DH
extern int scsi_dh_activate(struct request_queue *, activate_complete, void *);
extern int scsi_dh_attach(struct request_queue *, const char *);
extern const char *scsi_dh_attached_handler_name(struct request_queue *, gfp_t);
extern int scsi_dh_set_params(struct request_queue *, const char *);
#else
static inline int scsi_dh_activate(struct request_queue *req,
					activate_complete fn, void *data)
{
	fn(data, 0);
	return 0;
}
static inline int scsi_dh_attach(struct request_queue *req, const char *name)
{
	return SCSI_DH_NOSYS;
}
static inline const char *scsi_dh_attached_handler_name(struct request_queue *q,
							gfp_t gfp)
{
	return NULL;
}
static inline int scsi_dh_set_params(struct request_queue *req, const char *params)
{
	return -SCSI_DH_NOSYS;
}
#endif

${this.title}

Code Editor : scsi_dh.h