1 /*- 2 * Ioctl definitions for the SCSI Target Driver 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2002 Nate Lawson. 7 * Copyright (c) 1998 Justin T. Gibbs. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions, and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 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