scsi_targetio.h (80576) | scsi_targetio.h (107178) |
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1/* | 1/* |
2 * Ioctl definitions for the Target Mode SCSI Proccessor Target driver for CAM. | 2 * Ioctl definitions for the SCSI Target Driver |
3 * | 3 * |
4 * Copyright (c) 2002 Nate Lawson. |
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4 * Copyright (c) 1998 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, --- 8 unchanged lines hidden (view full) --- 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * | 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, --- 8 unchanged lines hidden (view full) --- 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 * |
28 * $FreeBSD: head/sys/cam/scsi/scsi_targetio.h 80576 2001-07-30 00:27:54Z mjacob $ | 29 * $FreeBSD: head/sys/cam/scsi/scsi_targetio.h 107178 2002-11-22 22:55:51Z njl $ |
29 */ 30 31#ifndef _CAM_SCSI_SCSI_TARGETIO_H_ 32#define _CAM_SCSI_SCSI_TARGETIO_H_ 33#ifndef _KERNEL 34#include <sys/types.h> 35#endif 36#include <sys/ioccom.h> 37 38#include <cam/cam.h> 39#include <cam/cam_ccb.h> 40 | 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 |
41TAILQ_HEAD(ccb_queue, ccb_hdr); 42 43/* Determine and clear exception state in the driver */ 44typedef enum { 45 TARG_EXCEPT_NONE = 0x00, 46 TARG_EXCEPT_DEVICE_INVALID = 0x01, 47 TARG_EXCEPT_BDR_RECEIVED = 0x02, 48 TARG_EXCEPT_BUS_RESET_SEEN = 0x04, 49 TARG_EXCEPT_ABORT_SEEN = 0x08, 50 TARG_EXCEPT_ABORT_TAG_SEEN = 0x10, 51 TARG_EXCEPT_UNKNOWN_ATIO = 0x80 52} targ_exception; 53 54#define TARGIOCFETCHEXCEPTION _IOR('C', 1, targ_exception) 55#define TARGIOCCLEAREXCEPTION _IOW('C', 2, targ_exception) 56 | |
57/* | 42/* |
58 * Retreive an Accept Target I/O CCB for a command that is not handled 59 * directly by the kernel target driver. | 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. |
60 */ | 47 */ |
61#define TARGIOCFETCHATIO _IOR('C', 3, struct ccb_accept_tio) | |
62 63/* | 48 49/* |
64 * Used for responding to incoming ATIO requests. XPT_CONTINUE_TARG_IO 65 * operations are the norm, but ccb types for manipulating the device 66 * queue, etc. can also be used if error handling is to be performed by the 67 * user land process. | 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. |
68 */ | 59 */ |
69#define TARGIOCCOMMAND _IOWR('C', 4, union ccb) 70 71 72typedef enum { 73 UA_NONE = 0x00, 74 UA_POWER_ON = 0x01, 75 UA_BUS_RESET = 0x02, 76 UA_BDR = 0x04 77} ua_types; 78 79typedef enum { 80 CA_NONE = 0x00, 81 CA_UNIT_ATTN = 0x01, 82 CA_CMD_SENSE = 0x02 83} ca_types; 84 85struct initiator_state { 86 ua_types pending_ua; 87 ca_types pending_ca; 88 struct scsi_sense_data sense_data; 89 struct ccb_queue held_queue; 90}; 91 92struct ioc_initiator_state { 93 u_int initiator_id; 94 struct initiator_state istate; 95}; 96 97/* 98 * Get and Set Contingent Allegiance and Unit Attention state 99 * presented by the target driver. This is usually used to 100 * properly report and error condition in response to an incoming 101 * ATIO request handled by the userland process. 102 * 103 * The initiator_id must be properly initialized in the ioc_initiator_state 104 * structure before calling TARGIOCGETISTATE. 105 */ 106#define TARGIOCGETISTATE _IOWR('C', 6, struct ioc_initiator_state) 107#define TARGIOCSETISTATE _IOW('C', 5, struct ioc_initiator_state) 108 109struct old_ioc_alloc_unit { | 60struct ioc_enable_lun { |
110 path_id_t path_id; 111 target_id_t target_id; 112 lun_id_t lun_id; | 61 path_id_t path_id; 62 target_id_t target_id; 63 lun_id_t lun_id; |
113 u_int unit; | 64 int grp6_len; 65 int grp7_len; |
114}; | 66}; |
67#define TARGIOCENABLE _IOW('C', 5, struct ioc_enable_lun) 68#define TARGIOCDISABLE _IO('C', 6) |
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115 | 69 |
116struct ioc_alloc_unit { 117 path_id_t path_id; 118 target_id_t target_id; 119 lun_id_t lun_id; 120 u_int unit; 121 struct scsi_inquiry_data *inquiry_data; 122}; 123 | |
124/* | 70/* |
125 * Allocate and Free a target mode instance. For allocation, the path_id, 126 * target_id, and lun_id fields must be set. On successful completion 127 * of the ioctl, the unit field will indicate the unit number of the 128 * newly created instance. For de-allocation, all fields must match 129 * an instance in the inactive (i.e. closed) state. 130 */ 131#define OTARGCTLIOALLOCUNIT _IOWR('C', 7, struct old_ioc_alloc_unit) 132#define OTARGCTLIOFREEUNIT _IOW('C', 8, struct old_ioc_alloc_unit) 133#define TARGCTLIOALLOCUNIT _IOWR('C', 7, struct ioc_alloc_unit) 134#define TARGCTLIOFREEUNIT _IOW('C', 8, struct ioc_alloc_unit) 135 136/* | |
137 * Set/clear debugging for this target mode instance 138 */ | 71 * Set/clear debugging for this target mode instance 72 */ |
139#define TARGIODEBUG _IOW('C', 9, int) | 73#define TARGIOCDEBUG _IOW('C', 7, int) |
140 | 74 |
75TAILQ_HEAD(ccb_queue, ccb_hdr); 76 |
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141#endif /* _CAM_SCSI_SCSI_TARGETIO_H_ */ | 77#endif /* _CAM_SCSI_SCSI_TARGETIO_H_ */ |