2 * Copyright (c) 2003 Silicon Graphics International Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
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30 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.h#1 $
34 * CAM Target Layer driver backend interface for block devices.
36 * Author: Ken Merry <ken@FreeBSD.org>
39 #ifndef _CTL_BACKEND_BLOCK_H_
40 #define _CTL_BACKEND_BLOCK_H_
42 struct 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 */
53 CTL_BLOCK_DEVLIST_MORE,
54 CTL_BLOCK_DEVLIST_DONE
55 } ctl_block_devlist_status;
57 struct 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? */
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)
72 #endif /* _CTL_BACKEND_BLOCK_H_ */