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Diffstat (limited to 'sys/cam/ctl/ctl_backend_block.h')
| -rw-r--r-- | sys/cam/ctl/ctl_backend_block.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sys/cam/ctl/ctl_backend_block.h b/sys/cam/ctl/ctl_backend_block.h new file mode 100644 index 0000000..e5781d5 --- /dev/null +++ b/sys/cam/ctl/ctl_backend_block.h @@ -0,0 +1,72 @@ +/*- + * 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 $ + * $FreeBSD$ + */ +/* + * 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_ */ |
