mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
81321d0a4f
The CAM_ERRBUF_SIZE description rewording fixes a typo by proxy. MFC after: 3 days Sponsored by: Dell EMC Isilon
182 lines
7.3 KiB
C
182 lines
7.3 KiB
C
/*
|
|
* Copyright (c) 1997, 1998 Kenneth D. Merry.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
/*
|
|
* Buffer encoding/decoding routines taken from the original FreeBSD SCSI
|
|
* library and slightly modified. The original header file had the following
|
|
* copyright:
|
|
*/
|
|
/* Copyright (c) 1994 HD Associates (hd@world.std.com)
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by HD Associates
|
|
* 4. Neither the name of the HD Associaates nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
|
|
#ifndef _CAMLIB_H
|
|
#define _CAMLIB_H
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <cam/cam.h>
|
|
#include <cam/cam_ccb.h>
|
|
|
|
#define CAM_ERRBUF_SIZE 2048 /* CAM library error string size */
|
|
|
|
/*
|
|
* Right now we hard code the transport layer device, but this will change
|
|
* if we ever get more than one transport layer.
|
|
*/
|
|
#define XPT_DEVICE "/dev/xpt0"
|
|
|
|
|
|
extern char cam_errbuf[];
|
|
|
|
struct cam_device {
|
|
char device_path[MAXPATHLEN];/*
|
|
* Pathname of the device
|
|
* given by the user. This
|
|
* may be null if the
|
|
* user states the device
|
|
* name and unit number
|
|
* separately.
|
|
*/
|
|
char given_dev_name[DEV_IDLEN+1];/*
|
|
* Device name given by
|
|
* the user.
|
|
*/
|
|
u_int32_t given_unit_number; /*
|
|
* Unit number given by
|
|
* the user.
|
|
*/
|
|
char device_name[DEV_IDLEN+1];/*
|
|
* Name of the device,
|
|
* e.g. 'pass'
|
|
*/
|
|
u_int32_t dev_unit_num; /* Unit number of the passthrough
|
|
* device associated with this
|
|
* particular device.
|
|
*/
|
|
|
|
char sim_name[SIM_IDLEN+1]; /* Controller name, e.g. 'ahc' */
|
|
u_int32_t sim_unit_number; /* Controller unit number */
|
|
u_int32_t bus_id; /* Controller bus number */
|
|
lun_id_t target_lun; /* Logical Unit Number */
|
|
target_id_t target_id; /* Target ID */
|
|
path_id_t path_id; /* System SCSI bus number */
|
|
u_int16_t pd_type; /* type of peripheral device */
|
|
struct scsi_inquiry_data inq_data; /* SCSI Inquiry data */
|
|
u_int8_t serial_num[252]; /* device serial number */
|
|
u_int8_t serial_num_len; /* length of the serial number */
|
|
u_int8_t sync_period; /* Negotiated sync period */
|
|
u_int8_t sync_offset; /* Negotiated sync offset */
|
|
u_int8_t bus_width; /* Negotiated bus width */
|
|
int fd; /* file descriptor for device */
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
/* Basic utility commands */
|
|
struct cam_device * cam_open_device(const char *path, int flags);
|
|
void cam_close_device(struct cam_device *dev);
|
|
void cam_close_spec_device(struct cam_device *dev);
|
|
struct cam_device * cam_open_spec_device(const char *dev_name,
|
|
int unit, int flags,
|
|
struct cam_device *device);
|
|
struct cam_device * cam_open_btl(path_id_t path_id, target_id_t target_id,
|
|
lun_id_t target_lun, int flags,
|
|
struct cam_device *device);
|
|
struct cam_device * cam_open_pass(const char *path, int flags,
|
|
struct cam_device *device);
|
|
union ccb * cam_getccb(struct cam_device *dev);
|
|
void cam_freeccb(union ccb *ccb);
|
|
int cam_send_ccb(struct cam_device *device, union ccb *ccb);
|
|
char * cam_path_string(struct cam_device *dev, char *str,
|
|
int len);
|
|
struct cam_device * cam_device_dup(struct cam_device *device);
|
|
void cam_device_copy(struct cam_device *src,
|
|
struct cam_device *dst);
|
|
int cam_get_device(const char *path, char *dev_name,
|
|
int devnamelen, int *unit);
|
|
|
|
/*
|
|
* Buffer encoding/decoding routines, from the old SCSI library.
|
|
*/
|
|
int csio_decode(struct ccb_scsiio *csio, const char *fmt, ...)
|
|
__printflike(2, 3);
|
|
int csio_decode_visit(struct ccb_scsiio *csio, const char *fmt,
|
|
void (*arg_put)(void *, int, void *, int, char *),
|
|
void *puthook);
|
|
int buff_decode(u_int8_t *buff, size_t len, const char *fmt, ...)
|
|
__printflike(3, 4);
|
|
int buff_decode_visit(u_int8_t *buff, size_t len, const char *fmt,
|
|
void (*arg_put)(void *, int, void *, int, char *),
|
|
void *puthook);
|
|
int csio_build(struct ccb_scsiio *csio, u_int8_t *data_ptr,
|
|
u_int32_t dxfer_len, u_int32_t flags, int retry_count,
|
|
int timeout, const char *cmd_spec, ...);
|
|
int csio_build_visit(struct ccb_scsiio *csio, u_int8_t *data_ptr,
|
|
u_int32_t dxfer_len, u_int32_t flags, int retry_count,
|
|
int timeout, const char *cmd_spec,
|
|
int (*arg_get)(void *hook, char *field_name),
|
|
void *gethook);
|
|
int csio_encode(struct ccb_scsiio *csio, const char *fmt, ...)
|
|
__printflike(2, 3);
|
|
int buff_encode_visit(u_int8_t *buff, size_t len, const char *fmt,
|
|
int (*arg_get)(void *hook, char *field_name),
|
|
void *gethook);
|
|
int csio_encode_visit(struct ccb_scsiio *csio, const char *fmt,
|
|
int (*arg_get)(void *hook, char *field_name),
|
|
void *gethook);
|
|
__END_DECLS
|
|
|
|
#endif /* _CAMLIB_H */
|