| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/stge/@/cam/ctl/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/stge/@/cam/ctl/ctl_backend_block.h |
/*-
* Copyright (c) 2003 Silicon Graphics International Corp.
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*
* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.h#1 $
* $FreeBSD: release/9.1.0/sys/cam/ctl/ctl_backend_block.h 229997 2012-01-12 00:34:33Z ken $
*/
/*
* CAM Target Layer driver backend interface for block devices.
*
* Author: Ken Merry <ken@FreeBSD.org>
*/
#ifndef _CTL_BACKEND_BLOCK_H_
#define _CTL_BACKEND_BLOCK_H_
struct ctl_block_disk {
uint32_t version; /* interface version */
uint32_t disknum; /* returned device number */
STAILQ_ENTRY(ctl_block_disk) links; /* linked list pointer */
char disk_name[MAXPATHLEN]; /* name of this device */
int allocated; /* disk is allocated to a LUN */
uint64_t size_blocks; /* disk size in blocks */
uint64_t size_bytes; /* disk size in bytes */
};
typedef enum {
CTL_BLOCK_DEVLIST_MORE,
CTL_BLOCK_DEVLIST_DONE
} ctl_block_devlist_status;
struct ctl_block_devlist {
uint32_t version; /* interface version */
uint32_t buf_len; /* passed in, buffer length */
uint32_t ctl_disk_size; /* size of adddev, passed in */
struct ctl_block_disk *devbuf; /* buffer passed in/filled out*/
uint32_t num_bufs; /* number passed out */
uint32_t buf_used; /* bytes passed out */
uint32_t total_disks; /* number of disks in system */
ctl_block_devlist_status status; /* did we get the whole list? */
};
#define CTL_BLOCK_ADDDEV _IOWR(COPAN_ARRAY_BE_BLOCK, 0x00, struct ctl_block_disk)
#define CTL_BLOCK_DEVLIST _IOWR(COPAN_ARRAY_BE_BLOCK, 0x01, struct ctl_block_devlist)
#define CTL_BLOCK_RMDEV _IOW(COPAN_ARRAY_BE_BLOCK, 0x02, struct ctl_block_disk)
#endif /* _CTL_BACKEND_BLOCK_H_ */