1 /*-
2 * Ioctl definitions for the SCSI Target Driver
3 *
4 * Copyright (c) 2002 Nate Lawson.
5 * Copyright (c) 1998 Justin T. Gibbs.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: src/sys/cam/scsi/scsi_targetio.h,v 1.12 2005/01/05 22:34:35 imp Exp $
30 */
31
32 #ifndef _CAM_SCSI_SCSI_TARGETIO_H_
33 #define _CAM_SCSI_SCSI_TARGETIO_H_
34 #ifndef _KERNEL
35 #include <sys/types.h>
36 #endif
37 #include <sys/ioccom.h>
38
39 #include <cam/cam.h>
40 #include <cam/cam_ccb.h>
41
42 /*
43 * CCBs (ATIO, CTIO, INOT, REL_SIMQ) are sent to the kernel driver
44 * by writing one or more pointers. The user receives notification
45 * of CCB completion through poll/select/kqueue and then calls
46 * read(2) which outputs pointers to the completed CCBs.
47 */
48
49 /*
50 * Enable and disable a target mode instance. For enabling, the path_id,
51 * target_id, and lun_id fields must be set. The grp6/7_len fields
52 * specify the length of vendor-specific CDBs the target expects and
53 * should normally be set to 0. On successful completion
54 * of enable, the specified target instance will answer selection.
55 * Disable causes the target instance to abort any outstanding commands
56 * and stop accepting new ones. The aborted CCBs will be returned to
57 * the user via read(2) or discarded if the user closes the device.
58 * The user can then re-enable the device for a new path.
59 */
60 struct ioc_enable_lun {
61 path_id_t path_id;
62 target_id_t target_id;
63 lun_id_t lun_id;
64 int grp6_len;
65 int grp7_len;
66 };
67 #define TARGIOCENABLE _IOW('C', 5, struct ioc_enable_lun)
68 #define TARGIOCDISABLE _IO('C', 6)
69
70 /*
71 * Set/clear debugging for this target mode instance
72 */
73 #define TARGIOCDEBUG _IOW('C', 7, int)
74
75 TAILQ_HEAD(ccb_queue, ccb_hdr);
76
77 #endif /* _CAM_SCSI_SCSI_TARGETIO_H_ */
78 Cache object: a8176eefe8253b725d51b7e88457849a
|