1/*- 2 * Copyright (c) 2003 Silicon Graphics International Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * substantially similar to the "NO WARRANTY" disclaimer below 13 * ("Disclaimer") and any redistribution must be conditioned upon 14 * including a substantially similar Disclaimer requirement for further 15 * binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGES. 29 * 30 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.h#1 $ 31 * $FreeBSD$ 32 */ 33/* 34 * CAM Target Layer driver backend interface for block devices. 35 * 36 * Author: Ken Merry <ken@FreeBSD.org> 37 */ 38 39#ifndef _CTL_BACKEND_BLOCK_H_ 40#define _CTL_BACKEND_BLOCK_H_ 41 42struct ctl_block_disk { 43 uint32_t version; /* interface version */ 44 uint32_t disknum; /* returned device number */ 45 STAILQ_ENTRY(ctl_block_disk) links; /* linked list pointer */ 46 char disk_name[MAXPATHLEN]; /* name of this device */ 47 int allocated; /* disk is allocated to a LUN */ 48 uint64_t size_blocks; /* disk size in blocks */ 49 uint64_t size_bytes; /* disk size in bytes */ 50}; 51 52typedef enum { 53 CTL_BLOCK_DEVLIST_MORE, 54 CTL_BLOCK_DEVLIST_DONE 55} ctl_block_devlist_status; 56 57struct ctl_block_devlist { 58 uint32_t version; /* interface version */ 59 uint32_t buf_len; /* passed in, buffer length */ 60 uint32_t ctl_disk_size; /* size of adddev, passed in */ 61 struct ctl_block_disk *devbuf; /* buffer passed in/filled out*/ 62 uint32_t num_bufs; /* number passed out */ 63 uint32_t buf_used; /* bytes passed out */ 64 uint32_t total_disks; /* number of disks in system */ 65 ctl_block_devlist_status status; /* did we get the whole list? */ 66}; 67 68#define CTL_BLOCK_ADDDEV _IOWR(COPAN_ARRAY_BE_BLOCK, 0x00, struct ctl_block_disk) 69#define CTL_BLOCK_DEVLIST _IOWR(COPAN_ARRAY_BE_BLOCK, 0x01, struct ctl_block_devlist) 70#define CTL_BLOCK_RMDEV _IOW(COPAN_ARRAY_BE_BLOCK, 0x02, struct ctl_block_disk) 71 72#endif /* _CTL_BACKEND_BLOCK_H_ */ 73