1229997Sken/*- 2229997Sken * Copyright (c) 2003 Silicon Graphics International Corp. 3229997Sken * All rights reserved. 4229997Sken * 5229997Sken * Redistribution and use in source and binary forms, with or without 6229997Sken * modification, are permitted provided that the following conditions 7229997Sken * are met: 8229997Sken * 1. Redistributions of source code must retain the above copyright 9229997Sken * notice, this list of conditions, and the following disclaimer, 10229997Sken * without modification. 11229997Sken * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12229997Sken * substantially similar to the "NO WARRANTY" disclaimer below 13229997Sken * ("Disclaimer") and any redistribution must be conditioned upon 14229997Sken * including a substantially similar Disclaimer requirement for further 15229997Sken * binary redistribution. 16229997Sken * 17229997Sken * NO WARRANTY 18229997Sken * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19229997Sken * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20229997Sken * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21229997Sken * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22229997Sken * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23229997Sken * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24229997Sken * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25229997Sken * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26229997Sken * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27229997Sken * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28229997Sken * POSSIBILITY OF SUCH DAMAGES. 29229997Sken * 30229997Sken * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.h#1 $ 31229997Sken * $FreeBSD$ 32229997Sken */ 33229997Sken/* 34229997Sken * CAM Target Layer driver backend interface for block devices. 35229997Sken * 36229997Sken * Author: Ken Merry <ken@FreeBSD.org> 37229997Sken */ 38229997Sken 39229997Sken#ifndef _CTL_BACKEND_BLOCK_H_ 40229997Sken#define _CTL_BACKEND_BLOCK_H_ 41229997Sken 42229997Skenstruct ctl_block_disk { 43229997Sken uint32_t version; /* interface version */ 44229997Sken uint32_t disknum; /* returned device number */ 45229997Sken STAILQ_ENTRY(ctl_block_disk) links; /* linked list pointer */ 46229997Sken char disk_name[MAXPATHLEN]; /* name of this device */ 47229997Sken int allocated; /* disk is allocated to a LUN */ 48229997Sken uint64_t size_blocks; /* disk size in blocks */ 49229997Sken uint64_t size_bytes; /* disk size in bytes */ 50229997Sken}; 51229997Sken 52229997Skentypedef enum { 53229997Sken CTL_BLOCK_DEVLIST_MORE, 54229997Sken CTL_BLOCK_DEVLIST_DONE 55229997Sken} ctl_block_devlist_status; 56229997Sken 57229997Skenstruct ctl_block_devlist { 58229997Sken uint32_t version; /* interface version */ 59229997Sken uint32_t buf_len; /* passed in, buffer length */ 60229997Sken uint32_t ctl_disk_size; /* size of adddev, passed in */ 61229997Sken struct ctl_block_disk *devbuf; /* buffer passed in/filled out*/ 62229997Sken uint32_t num_bufs; /* number passed out */ 63229997Sken uint32_t buf_used; /* bytes passed out */ 64229997Sken uint32_t total_disks; /* number of disks in system */ 65229997Sken ctl_block_devlist_status status; /* did we get the whole list? */ 66229997Sken}; 67229997Sken 68229997Sken#define CTL_BLOCK_ADDDEV _IOWR(COPAN_ARRAY_BE_BLOCK, 0x00, struct ctl_block_disk) 69229997Sken#define CTL_BLOCK_DEVLIST _IOWR(COPAN_ARRAY_BE_BLOCK, 0x01, struct ctl_block_devlist) 70229997Sken#define CTL_BLOCK_RMDEV _IOW(COPAN_ARRAY_BE_BLOCK, 0x02, struct ctl_block_disk) 71229997Sken 72229997Sken#endif /* _CTL_BACKEND_BLOCK_H_ */ 73