1/*- 2 * Data structures and definitions for CAM Control Blocks (CCBs). 3 * 4 * Copyright (c) 1997, 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, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 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 *
| 1/*- 2 * Data structures and definitions for CAM Control Blocks (CCBs). 3 * 4 * Copyright (c) 1997, 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, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 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 *
|
28 * $FreeBSD: head/sys/cam/cam_ccb.h 164844 2006-12-03 07:19:28Z mjacob $
| 28 * $FreeBSD: head/sys/cam/cam_ccb.h 168752 2007-04-15 08:49:19Z scottl $
|
29 */ 30 31#ifndef _CAM_CAM_CCB_H 32#define _CAM_CAM_CCB_H 1 33 34#include <sys/queue.h> 35#include <sys/cdefs.h> 36#include <sys/time.h> 37#include <sys/limits.h> 38#ifndef _KERNEL 39#include <sys/callout.h> 40#endif 41#include <cam/cam_debug.h> 42#include <cam/scsi/scsi_all.h> 43 44 45/* General allocation length definitions for CCB structures */ 46#define IOCDBLEN CAM_MAX_CDBLEN /* Space for CDB bytes/pointer */ 47#define VUHBALEN 14 /* Vendor Unique HBA length */ 48#define SIM_IDLEN 16 /* ASCII string len for SIM ID */ 49#define HBA_IDLEN 16 /* ASCII string len for HBA ID */ 50#define DEV_IDLEN 16 /* ASCII string len for device names */ 51#define CCB_PERIPH_PRIV_SIZE 2 /* size of peripheral private area */ 52#define CCB_SIM_PRIV_SIZE 2 /* size of sim private area */ 53 54/* Struct definitions for CAM control blocks */ 55 56/* Common CCB header */ 57/* CAM CCB flags */ 58typedef enum { 59 CAM_CDB_POINTER = 0x00000001,/* The CDB field is a pointer */ 60 CAM_QUEUE_ENABLE = 0x00000002,/* SIM queue actions are enabled */ 61 CAM_CDB_LINKED = 0x00000004,/* CCB contains a linked CDB */ 62 CAM_NEGOTIATE = 0x00000008,/* 63 * Perform transport negotiation 64 * with this command. 65 */ 66 CAM_SCATTER_VALID = 0x00000010,/* Scatter/gather list is valid */ 67 CAM_DIS_AUTOSENSE = 0x00000020,/* Disable autosense feature */ 68 CAM_DIR_RESV = 0x00000000,/* Data direction (00:reserved) */ 69 CAM_DIR_IN = 0x00000040,/* Data direction (01:DATA IN) */ 70 CAM_DIR_OUT = 0x00000080,/* Data direction (10:DATA OUT) */ 71 CAM_DIR_NONE = 0x000000C0,/* Data direction (11:no data) */ 72 CAM_DIR_MASK = 0x000000C0,/* Data direction Mask */ 73 CAM_SOFT_RST_OP = 0x00000100,/* Use Soft reset alternative */ 74 CAM_ENG_SYNC = 0x00000200,/* Flush resid bytes on complete */ 75 CAM_DEV_QFRZDIS = 0x00000400,/* Disable DEV Q freezing */ 76 CAM_DEV_QFREEZE = 0x00000800,/* Freeze DEV Q on execution */ 77 CAM_HIGH_POWER = 0x00001000,/* Command takes a lot of power */ 78 CAM_SENSE_PTR = 0x00002000,/* Sense data is a pointer */ 79 CAM_SENSE_PHYS = 0x00004000,/* Sense pointer is physical addr*/ 80 CAM_TAG_ACTION_VALID = 0x00008000,/* Use the tag action in this ccb*/ 81 CAM_PASS_ERR_RECOVER = 0x00010000,/* Pass driver does err. recovery*/ 82 CAM_DIS_DISCONNECT = 0x00020000,/* Disable disconnect */ 83 CAM_SG_LIST_PHYS = 0x00040000,/* SG list has physical addrs. */ 84 CAM_MSG_BUF_PHYS = 0x00080000,/* Message buffer ptr is physical*/ 85 CAM_SNS_BUF_PHYS = 0x00100000,/* Autosense data ptr is physical*/ 86 CAM_DATA_PHYS = 0x00200000,/* SG/Buffer data ptrs are phys. */ 87 CAM_CDB_PHYS = 0x00400000,/* CDB poiner is physical */ 88 CAM_ENG_SGLIST = 0x00800000,/* SG list is for the HBA engine */ 89 90/* Phase cognizant mode flags */ 91 CAM_DIS_AUTOSRP = 0x01000000,/* Disable autosave/restore ptrs */ 92 CAM_DIS_AUTODISC = 0x02000000,/* Disable auto disconnect */ 93 CAM_TGT_CCB_AVAIL = 0x04000000,/* Target CCB available */ 94 CAM_TGT_PHASE_MODE = 0x08000000,/* The SIM runs in phase mode */ 95 CAM_MSGB_VALID = 0x10000000,/* Message buffer valid */ 96 CAM_STATUS_VALID = 0x20000000,/* Status buffer valid */ 97 CAM_DATAB_VALID = 0x40000000,/* Data buffer valid */ 98 99/* Host target Mode flags */ 100 CAM_SEND_SENSE = 0x08000000,/* Send sense data with status */ 101 CAM_TERM_IO = 0x10000000,/* Terminate I/O Message sup. */ 102 CAM_DISCONNECT = 0x20000000,/* Disconnects are mandatory */ 103 CAM_SEND_STATUS = 0x40000000 /* Send status after data phase */ 104} ccb_flags; 105 106/* XPT Opcodes for xpt_action */ 107typedef enum { 108/* Function code flags are bits greater than 0xff */ 109 XPT_FC_QUEUED = 0x100, 110 /* Non-immediate function code */ 111 XPT_FC_USER_CCB = 0x200, 112 XPT_FC_XPT_ONLY = 0x400, 113 /* Only for the transport layer device */ 114 XPT_FC_DEV_QUEUED = 0x800 | XPT_FC_QUEUED, 115 /* Passes through the device queues */ 116/* Common function commands: 0x00->0x0F */ 117 XPT_NOOP = 0x00, 118 /* Execute Nothing */ 119 XPT_SCSI_IO = 0x01 | XPT_FC_DEV_QUEUED, 120 /* Execute the requested I/O operation */ 121 XPT_GDEV_TYPE = 0x02, 122 /* Get type information for specified device */ 123 XPT_GDEVLIST = 0x03, 124 /* Get a list of peripheral devices */ 125 XPT_PATH_INQ = 0x04, 126 /* Path routing inquiry */ 127 XPT_REL_SIMQ = 0x05, 128 /* Release a frozen SIM queue */ 129 XPT_SASYNC_CB = 0x06, 130 /* Set Asynchronous Callback Parameters */ 131 XPT_SDEV_TYPE = 0x07, 132 /* Set device type information */ 133 XPT_SCAN_BUS = 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB 134 | XPT_FC_XPT_ONLY, 135 /* (Re)Scan the SCSI Bus */ 136 XPT_DEV_MATCH = 0x09 | XPT_FC_XPT_ONLY, 137 /* Get EDT entries matching the given pattern */ 138 XPT_DEBUG = 0x0a, 139 /* Turn on debugging for a bus, target or lun */ 140 XPT_PATH_STATS = 0x0b, 141 /* Path statistics (error counts, etc.) */ 142 XPT_GDEV_STATS = 0x0c, 143 /* Device statistics (error counts, etc.) */ 144/* SCSI Control Functions: 0x10->0x1F */ 145 XPT_ABORT = 0x10, 146 /* Abort the specified CCB */ 147 XPT_RESET_BUS = 0x11 | XPT_FC_XPT_ONLY, 148 /* Reset the specified SCSI bus */ 149 XPT_RESET_DEV = 0x12 | XPT_FC_DEV_QUEUED, 150 /* Bus Device Reset the specified SCSI device */ 151 XPT_TERM_IO = 0x13, 152 /* Terminate the I/O process */ 153 XPT_SCAN_LUN = 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB 154 | XPT_FC_XPT_ONLY, 155 /* Scan Logical Unit */ 156 XPT_GET_TRAN_SETTINGS = 0x15, 157 /* 158 * Get default/user transfer settings 159 * for the target 160 */ 161 XPT_SET_TRAN_SETTINGS = 0x16, 162 /* 163 * Set transfer rate/width 164 * negotiation settings 165 */ 166 XPT_CALC_GEOMETRY = 0x17, 167 /* 168 * Calculate the geometry parameters for 169 * a device give the sector size and 170 * volume size. 171 */ 172 173/* HBA engine commands 0x20->0x2F */ 174 XPT_ENG_INQ = 0x20 | XPT_FC_XPT_ONLY, 175 /* HBA engine feature inquiry */ 176 XPT_ENG_EXEC = 0x21 | XPT_FC_DEV_QUEUED, 177 /* HBA execute engine request */ 178 179/* Target mode commands: 0x30->0x3F */ 180 XPT_EN_LUN = 0x30, 181 /* Enable LUN as a target */ 182 XPT_TARGET_IO = 0x31 | XPT_FC_DEV_QUEUED, 183 /* Execute target I/O request */ 184 XPT_ACCEPT_TARGET_IO = 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 185 /* Accept Host Target Mode CDB */ 186 XPT_CONT_TARGET_IO = 0x33 | XPT_FC_DEV_QUEUED, 187 /* Continue Host Target I/O Connection */ 188 XPT_IMMED_NOTIFY = 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 189 /* Notify Host Target driver of event */ 190 XPT_NOTIFY_ACK = 0x35, 191 /* Acknowledgement of event */ 192 193/* Vendor Unique codes: 0x80->0x8F */ 194 XPT_VUNIQUE = 0x80 195} xpt_opcode; 196 197#define XPT_FC_GROUP_MASK 0xF0 198#define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK) 199#define XPT_FC_GROUP_COMMON 0x00 200#define XPT_FC_GROUP_SCSI_CONTROL 0x10 201#define XPT_FC_GROUP_HBA_ENGINE 0x20 202#define XPT_FC_GROUP_TMODE 0x30 203#define XPT_FC_GROUP_VENDOR_UNIQUE 0x80 204 205#define XPT_FC_IS_DEV_QUEUED(ccb) \ 206 (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED) 207#define XPT_FC_IS_QUEUED(ccb) \ 208 (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0) 209 210typedef enum { 211 PROTO_UNKNOWN, 212 PROTO_UNSPECIFIED, 213 PROTO_SCSI, /* Small Computer System Interface */ 214 PROTO_ATA, /* AT Attachment */ 215 PROTO_ATAPI, /* AT Attachment Packetized Interface */ 216} cam_proto; 217 218typedef enum { 219 XPORT_UNKNOWN, 220 XPORT_UNSPECIFIED, 221 XPORT_SPI, /* SCSI Parallel Interface */ 222 XPORT_FC, /* Fiber Channel */ 223 XPORT_SSA, /* Serial Storage Architecture */ 224 XPORT_USB, /* Universal Serial Bus */ 225 XPORT_PPB, /* Parallel Port Bus */ 226 XPORT_ATA, /* AT Attachment */ 227 XPORT_SAS, /* Serial Attached SCSI */ 228} cam_xport; 229 230#define PROTO_VERSION_UNKNOWN (UINT_MAX - 1) 231#define PROTO_VERSION_UNSPECIFIED UINT_MAX 232#define XPORT_VERSION_UNKNOWN (UINT_MAX - 1) 233#define XPORT_VERSION_UNSPECIFIED UINT_MAX 234 235typedef union { 236 LIST_ENTRY(ccb_hdr) le; 237 SLIST_ENTRY(ccb_hdr) sle; 238 TAILQ_ENTRY(ccb_hdr) tqe; 239 STAILQ_ENTRY(ccb_hdr) stqe; 240} camq_entry; 241 242typedef union { 243 void *ptr; 244 u_long field;
| 29 */ 30 31#ifndef _CAM_CAM_CCB_H 32#define _CAM_CAM_CCB_H 1 33 34#include <sys/queue.h> 35#include <sys/cdefs.h> 36#include <sys/time.h> 37#include <sys/limits.h> 38#ifndef _KERNEL 39#include <sys/callout.h> 40#endif 41#include <cam/cam_debug.h> 42#include <cam/scsi/scsi_all.h> 43 44 45/* General allocation length definitions for CCB structures */ 46#define IOCDBLEN CAM_MAX_CDBLEN /* Space for CDB bytes/pointer */ 47#define VUHBALEN 14 /* Vendor Unique HBA length */ 48#define SIM_IDLEN 16 /* ASCII string len for SIM ID */ 49#define HBA_IDLEN 16 /* ASCII string len for HBA ID */ 50#define DEV_IDLEN 16 /* ASCII string len for device names */ 51#define CCB_PERIPH_PRIV_SIZE 2 /* size of peripheral private area */ 52#define CCB_SIM_PRIV_SIZE 2 /* size of sim private area */ 53 54/* Struct definitions for CAM control blocks */ 55 56/* Common CCB header */ 57/* CAM CCB flags */ 58typedef enum { 59 CAM_CDB_POINTER = 0x00000001,/* The CDB field is a pointer */ 60 CAM_QUEUE_ENABLE = 0x00000002,/* SIM queue actions are enabled */ 61 CAM_CDB_LINKED = 0x00000004,/* CCB contains a linked CDB */ 62 CAM_NEGOTIATE = 0x00000008,/* 63 * Perform transport negotiation 64 * with this command. 65 */ 66 CAM_SCATTER_VALID = 0x00000010,/* Scatter/gather list is valid */ 67 CAM_DIS_AUTOSENSE = 0x00000020,/* Disable autosense feature */ 68 CAM_DIR_RESV = 0x00000000,/* Data direction (00:reserved) */ 69 CAM_DIR_IN = 0x00000040,/* Data direction (01:DATA IN) */ 70 CAM_DIR_OUT = 0x00000080,/* Data direction (10:DATA OUT) */ 71 CAM_DIR_NONE = 0x000000C0,/* Data direction (11:no data) */ 72 CAM_DIR_MASK = 0x000000C0,/* Data direction Mask */ 73 CAM_SOFT_RST_OP = 0x00000100,/* Use Soft reset alternative */ 74 CAM_ENG_SYNC = 0x00000200,/* Flush resid bytes on complete */ 75 CAM_DEV_QFRZDIS = 0x00000400,/* Disable DEV Q freezing */ 76 CAM_DEV_QFREEZE = 0x00000800,/* Freeze DEV Q on execution */ 77 CAM_HIGH_POWER = 0x00001000,/* Command takes a lot of power */ 78 CAM_SENSE_PTR = 0x00002000,/* Sense data is a pointer */ 79 CAM_SENSE_PHYS = 0x00004000,/* Sense pointer is physical addr*/ 80 CAM_TAG_ACTION_VALID = 0x00008000,/* Use the tag action in this ccb*/ 81 CAM_PASS_ERR_RECOVER = 0x00010000,/* Pass driver does err. recovery*/ 82 CAM_DIS_DISCONNECT = 0x00020000,/* Disable disconnect */ 83 CAM_SG_LIST_PHYS = 0x00040000,/* SG list has physical addrs. */ 84 CAM_MSG_BUF_PHYS = 0x00080000,/* Message buffer ptr is physical*/ 85 CAM_SNS_BUF_PHYS = 0x00100000,/* Autosense data ptr is physical*/ 86 CAM_DATA_PHYS = 0x00200000,/* SG/Buffer data ptrs are phys. */ 87 CAM_CDB_PHYS = 0x00400000,/* CDB poiner is physical */ 88 CAM_ENG_SGLIST = 0x00800000,/* SG list is for the HBA engine */ 89 90/* Phase cognizant mode flags */ 91 CAM_DIS_AUTOSRP = 0x01000000,/* Disable autosave/restore ptrs */ 92 CAM_DIS_AUTODISC = 0x02000000,/* Disable auto disconnect */ 93 CAM_TGT_CCB_AVAIL = 0x04000000,/* Target CCB available */ 94 CAM_TGT_PHASE_MODE = 0x08000000,/* The SIM runs in phase mode */ 95 CAM_MSGB_VALID = 0x10000000,/* Message buffer valid */ 96 CAM_STATUS_VALID = 0x20000000,/* Status buffer valid */ 97 CAM_DATAB_VALID = 0x40000000,/* Data buffer valid */ 98 99/* Host target Mode flags */ 100 CAM_SEND_SENSE = 0x08000000,/* Send sense data with status */ 101 CAM_TERM_IO = 0x10000000,/* Terminate I/O Message sup. */ 102 CAM_DISCONNECT = 0x20000000,/* Disconnects are mandatory */ 103 CAM_SEND_STATUS = 0x40000000 /* Send status after data phase */ 104} ccb_flags; 105 106/* XPT Opcodes for xpt_action */ 107typedef enum { 108/* Function code flags are bits greater than 0xff */ 109 XPT_FC_QUEUED = 0x100, 110 /* Non-immediate function code */ 111 XPT_FC_USER_CCB = 0x200, 112 XPT_FC_XPT_ONLY = 0x400, 113 /* Only for the transport layer device */ 114 XPT_FC_DEV_QUEUED = 0x800 | XPT_FC_QUEUED, 115 /* Passes through the device queues */ 116/* Common function commands: 0x00->0x0F */ 117 XPT_NOOP = 0x00, 118 /* Execute Nothing */ 119 XPT_SCSI_IO = 0x01 | XPT_FC_DEV_QUEUED, 120 /* Execute the requested I/O operation */ 121 XPT_GDEV_TYPE = 0x02, 122 /* Get type information for specified device */ 123 XPT_GDEVLIST = 0x03, 124 /* Get a list of peripheral devices */ 125 XPT_PATH_INQ = 0x04, 126 /* Path routing inquiry */ 127 XPT_REL_SIMQ = 0x05, 128 /* Release a frozen SIM queue */ 129 XPT_SASYNC_CB = 0x06, 130 /* Set Asynchronous Callback Parameters */ 131 XPT_SDEV_TYPE = 0x07, 132 /* Set device type information */ 133 XPT_SCAN_BUS = 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB 134 | XPT_FC_XPT_ONLY, 135 /* (Re)Scan the SCSI Bus */ 136 XPT_DEV_MATCH = 0x09 | XPT_FC_XPT_ONLY, 137 /* Get EDT entries matching the given pattern */ 138 XPT_DEBUG = 0x0a, 139 /* Turn on debugging for a bus, target or lun */ 140 XPT_PATH_STATS = 0x0b, 141 /* Path statistics (error counts, etc.) */ 142 XPT_GDEV_STATS = 0x0c, 143 /* Device statistics (error counts, etc.) */ 144/* SCSI Control Functions: 0x10->0x1F */ 145 XPT_ABORT = 0x10, 146 /* Abort the specified CCB */ 147 XPT_RESET_BUS = 0x11 | XPT_FC_XPT_ONLY, 148 /* Reset the specified SCSI bus */ 149 XPT_RESET_DEV = 0x12 | XPT_FC_DEV_QUEUED, 150 /* Bus Device Reset the specified SCSI device */ 151 XPT_TERM_IO = 0x13, 152 /* Terminate the I/O process */ 153 XPT_SCAN_LUN = 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB 154 | XPT_FC_XPT_ONLY, 155 /* Scan Logical Unit */ 156 XPT_GET_TRAN_SETTINGS = 0x15, 157 /* 158 * Get default/user transfer settings 159 * for the target 160 */ 161 XPT_SET_TRAN_SETTINGS = 0x16, 162 /* 163 * Set transfer rate/width 164 * negotiation settings 165 */ 166 XPT_CALC_GEOMETRY = 0x17, 167 /* 168 * Calculate the geometry parameters for 169 * a device give the sector size and 170 * volume size. 171 */ 172 173/* HBA engine commands 0x20->0x2F */ 174 XPT_ENG_INQ = 0x20 | XPT_FC_XPT_ONLY, 175 /* HBA engine feature inquiry */ 176 XPT_ENG_EXEC = 0x21 | XPT_FC_DEV_QUEUED, 177 /* HBA execute engine request */ 178 179/* Target mode commands: 0x30->0x3F */ 180 XPT_EN_LUN = 0x30, 181 /* Enable LUN as a target */ 182 XPT_TARGET_IO = 0x31 | XPT_FC_DEV_QUEUED, 183 /* Execute target I/O request */ 184 XPT_ACCEPT_TARGET_IO = 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 185 /* Accept Host Target Mode CDB */ 186 XPT_CONT_TARGET_IO = 0x33 | XPT_FC_DEV_QUEUED, 187 /* Continue Host Target I/O Connection */ 188 XPT_IMMED_NOTIFY = 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 189 /* Notify Host Target driver of event */ 190 XPT_NOTIFY_ACK = 0x35, 191 /* Acknowledgement of event */ 192 193/* Vendor Unique codes: 0x80->0x8F */ 194 XPT_VUNIQUE = 0x80 195} xpt_opcode; 196 197#define XPT_FC_GROUP_MASK 0xF0 198#define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK) 199#define XPT_FC_GROUP_COMMON 0x00 200#define XPT_FC_GROUP_SCSI_CONTROL 0x10 201#define XPT_FC_GROUP_HBA_ENGINE 0x20 202#define XPT_FC_GROUP_TMODE 0x30 203#define XPT_FC_GROUP_VENDOR_UNIQUE 0x80 204 205#define XPT_FC_IS_DEV_QUEUED(ccb) \ 206 (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED) 207#define XPT_FC_IS_QUEUED(ccb) \ 208 (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0) 209 210typedef enum { 211 PROTO_UNKNOWN, 212 PROTO_UNSPECIFIED, 213 PROTO_SCSI, /* Small Computer System Interface */ 214 PROTO_ATA, /* AT Attachment */ 215 PROTO_ATAPI, /* AT Attachment Packetized Interface */ 216} cam_proto; 217 218typedef enum { 219 XPORT_UNKNOWN, 220 XPORT_UNSPECIFIED, 221 XPORT_SPI, /* SCSI Parallel Interface */ 222 XPORT_FC, /* Fiber Channel */ 223 XPORT_SSA, /* Serial Storage Architecture */ 224 XPORT_USB, /* Universal Serial Bus */ 225 XPORT_PPB, /* Parallel Port Bus */ 226 XPORT_ATA, /* AT Attachment */ 227 XPORT_SAS, /* Serial Attached SCSI */ 228} cam_xport; 229 230#define PROTO_VERSION_UNKNOWN (UINT_MAX - 1) 231#define PROTO_VERSION_UNSPECIFIED UINT_MAX 232#define XPORT_VERSION_UNKNOWN (UINT_MAX - 1) 233#define XPORT_VERSION_UNSPECIFIED UINT_MAX 234 235typedef union { 236 LIST_ENTRY(ccb_hdr) le; 237 SLIST_ENTRY(ccb_hdr) sle; 238 TAILQ_ENTRY(ccb_hdr) tqe; 239 STAILQ_ENTRY(ccb_hdr) stqe; 240} camq_entry; 241 242typedef union { 243 void *ptr; 244 u_long field;
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245 u_int8_t bytes[sizeof(void *) > sizeof(u_long) 246 ? sizeof(void *) : sizeof(u_long)];
| 245 u_int8_t bytes[sizeof(uintptr_t)];
|
247} ccb_priv_entry; 248 249typedef union { 250 ccb_priv_entry entries[CCB_PERIPH_PRIV_SIZE]; 251 u_int8_t bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)]; 252} ccb_ppriv_area; 253 254typedef union { 255 ccb_priv_entry entries[CCB_SIM_PRIV_SIZE]; 256 u_int8_t bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)]; 257} ccb_spriv_area; 258 259struct ccb_hdr { 260 cam_pinfo pinfo; /* Info for priority scheduling */ 261 camq_entry xpt_links; /* For chaining in the XPT layer */ 262 camq_entry sim_links; /* For chaining in the SIM layer */ 263 camq_entry periph_links; /* For chaining in the type driver */ 264 u_int32_t retry_count; 265 void (*cbfcnp)(struct cam_periph *, union ccb *); 266 /* Callback on completion function */ 267 xpt_opcode func_code; /* XPT function code */ 268 u_int32_t status; /* Status returned by CAM subsystem */ 269 struct cam_path *path; /* Compiled path for this ccb */ 270 path_id_t path_id; /* Path ID for the request */ 271 target_id_t target_id; /* Target device ID */ 272 lun_id_t target_lun; /* Target LUN number */ 273 u_int32_t flags; /* ccb_flags */ 274 ccb_ppriv_area periph_priv; 275 ccb_spriv_area sim_priv; 276 u_int32_t timeout; /* Timeout value */
| 246} ccb_priv_entry; 247 248typedef union { 249 ccb_priv_entry entries[CCB_PERIPH_PRIV_SIZE]; 250 u_int8_t bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)]; 251} ccb_ppriv_area; 252 253typedef union { 254 ccb_priv_entry entries[CCB_SIM_PRIV_SIZE]; 255 u_int8_t bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)]; 256} ccb_spriv_area; 257 258struct ccb_hdr { 259 cam_pinfo pinfo; /* Info for priority scheduling */ 260 camq_entry xpt_links; /* For chaining in the XPT layer */ 261 camq_entry sim_links; /* For chaining in the SIM layer */ 262 camq_entry periph_links; /* For chaining in the type driver */ 263 u_int32_t retry_count; 264 void (*cbfcnp)(struct cam_periph *, union ccb *); 265 /* Callback on completion function */ 266 xpt_opcode func_code; /* XPT function code */ 267 u_int32_t status; /* Status returned by CAM subsystem */ 268 struct cam_path *path; /* Compiled path for this ccb */ 269 path_id_t path_id; /* Path ID for the request */ 270 target_id_t target_id; /* Target device ID */ 271 lun_id_t target_lun; /* Target LUN number */ 272 u_int32_t flags; /* ccb_flags */ 273 ccb_ppriv_area periph_priv; 274 ccb_spriv_area sim_priv; 275 u_int32_t timeout; /* Timeout value */
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| 276 277 /* 278 * Deprecated, only for use by non-MPSAFE SIMs. All others must 279 * allocate and initialize their own callout storage. 280 */
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277 struct callout_handle timeout_ch;
| 281 struct callout_handle timeout_ch;
|
278 /* Callout handle used for timeouts */
| |
279}; 280 281/* Get Device Information CCB */ 282struct ccb_getdev { 283 struct ccb_hdr ccb_h; 284 struct scsi_inquiry_data inq_data; 285 u_int8_t serial_num[252]; 286 u_int8_t reserved; 287 u_int8_t serial_num_len; 288}; 289 290/* Device Statistics CCB */ 291struct ccb_getdevstats { 292 struct ccb_hdr ccb_h; 293 int dev_openings; /* Space left for more work on device*/ 294 int dev_active; /* Transactions running on the device */ 295 int devq_openings; /* Space left for more queued work */ 296 int devq_queued; /* Transactions queued to be sent */ 297 int held; /* 298 * CCBs held by peripheral drivers 299 * for this device 300 */ 301 int maxtags; /* 302 * Boundary conditions for number of 303 * tagged operations 304 */ 305 int mintags; 306 struct timeval last_reset; /* Time of last bus reset/loop init */ 307}; 308 309typedef enum { 310 CAM_GDEVLIST_LAST_DEVICE, 311 CAM_GDEVLIST_LIST_CHANGED, 312 CAM_GDEVLIST_MORE_DEVS, 313 CAM_GDEVLIST_ERROR 314} ccb_getdevlist_status_e; 315 316struct ccb_getdevlist { 317 struct ccb_hdr ccb_h; 318 char periph_name[DEV_IDLEN]; 319 u_int32_t unit_number; 320 unsigned int generation; 321 u_int32_t index; 322 ccb_getdevlist_status_e status; 323}; 324 325typedef enum { 326 PERIPH_MATCH_NONE = 0x000, 327 PERIPH_MATCH_PATH = 0x001, 328 PERIPH_MATCH_TARGET = 0x002, 329 PERIPH_MATCH_LUN = 0x004, 330 PERIPH_MATCH_NAME = 0x008, 331 PERIPH_MATCH_UNIT = 0x010, 332 PERIPH_MATCH_ANY = 0x01f 333} periph_pattern_flags; 334 335struct periph_match_pattern { 336 char periph_name[DEV_IDLEN]; 337 u_int32_t unit_number; 338 path_id_t path_id; 339 target_id_t target_id; 340 lun_id_t target_lun; 341 periph_pattern_flags flags; 342}; 343 344typedef enum { 345 DEV_MATCH_NONE = 0x000, 346 DEV_MATCH_PATH = 0x001, 347 DEV_MATCH_TARGET = 0x002, 348 DEV_MATCH_LUN = 0x004, 349 DEV_MATCH_INQUIRY = 0x008, 350 DEV_MATCH_ANY = 0x00f 351} dev_pattern_flags; 352 353struct device_match_pattern { 354 path_id_t path_id; 355 target_id_t target_id; 356 lun_id_t target_lun; 357 struct scsi_static_inquiry_pattern inq_pat; 358 dev_pattern_flags flags; 359}; 360 361typedef enum { 362 BUS_MATCH_NONE = 0x000, 363 BUS_MATCH_PATH = 0x001, 364 BUS_MATCH_NAME = 0x002, 365 BUS_MATCH_UNIT = 0x004, 366 BUS_MATCH_BUS_ID = 0x008, 367 BUS_MATCH_ANY = 0x00f 368} bus_pattern_flags; 369 370struct bus_match_pattern { 371 path_id_t path_id; 372 char dev_name[DEV_IDLEN]; 373 u_int32_t unit_number; 374 u_int32_t bus_id; 375 bus_pattern_flags flags; 376}; 377 378union match_pattern { 379 struct periph_match_pattern periph_pattern; 380 struct device_match_pattern device_pattern; 381 struct bus_match_pattern bus_pattern; 382}; 383 384typedef enum { 385 DEV_MATCH_PERIPH, 386 DEV_MATCH_DEVICE, 387 DEV_MATCH_BUS 388} dev_match_type; 389 390struct dev_match_pattern { 391 dev_match_type type; 392 union match_pattern pattern; 393}; 394 395struct periph_match_result { 396 char periph_name[DEV_IDLEN]; 397 u_int32_t unit_number; 398 path_id_t path_id; 399 target_id_t target_id; 400 lun_id_t target_lun; 401}; 402 403typedef enum { 404 DEV_RESULT_NOFLAG = 0x00, 405 DEV_RESULT_UNCONFIGURED = 0x01 406} dev_result_flags; 407 408struct device_match_result { 409 path_id_t path_id; 410 target_id_t target_id; 411 lun_id_t target_lun; 412 struct scsi_inquiry_data inq_data; 413 dev_result_flags flags; 414}; 415 416struct bus_match_result { 417 path_id_t path_id; 418 char dev_name[DEV_IDLEN]; 419 u_int32_t unit_number; 420 u_int32_t bus_id; 421}; 422 423union match_result { 424 struct periph_match_result periph_result; 425 struct device_match_result device_result; 426 struct bus_match_result bus_result; 427}; 428 429struct dev_match_result { 430 dev_match_type type; 431 union match_result result; 432}; 433 434typedef enum { 435 CAM_DEV_MATCH_LAST, 436 CAM_DEV_MATCH_MORE, 437 CAM_DEV_MATCH_LIST_CHANGED, 438 CAM_DEV_MATCH_SIZE_ERROR, 439 CAM_DEV_MATCH_ERROR 440} ccb_dev_match_status; 441 442typedef enum { 443 CAM_DEV_POS_NONE = 0x000, 444 CAM_DEV_POS_BUS = 0x001, 445 CAM_DEV_POS_TARGET = 0x002, 446 CAM_DEV_POS_DEVICE = 0x004, 447 CAM_DEV_POS_PERIPH = 0x008, 448 CAM_DEV_POS_PDPTR = 0x010, 449 CAM_DEV_POS_TYPEMASK = 0xf00, 450 CAM_DEV_POS_EDT = 0x100, 451 CAM_DEV_POS_PDRV = 0x200 452} dev_pos_type; 453 454struct ccb_dm_cookie { 455 void *bus; 456 void *target; 457 void *device; 458 void *periph; 459 void *pdrv; 460}; 461 462struct ccb_dev_position { 463 u_int generations[4]; 464#define CAM_BUS_GENERATION 0x00 465#define CAM_TARGET_GENERATION 0x01 466#define CAM_DEV_GENERATION 0x02 467#define CAM_PERIPH_GENERATION 0x03 468 dev_pos_type position_type; 469 struct ccb_dm_cookie cookie; 470}; 471 472struct ccb_dev_match { 473 struct ccb_hdr ccb_h; 474 ccb_dev_match_status status; 475 u_int32_t num_patterns; 476 u_int32_t pattern_buf_len; 477 struct dev_match_pattern *patterns; 478 u_int32_t num_matches; 479 u_int32_t match_buf_len; 480 struct dev_match_result *matches; 481 struct ccb_dev_position pos; 482}; 483 484/* 485 * Definitions for the path inquiry CCB fields. 486 */ 487#define CAM_VERSION 0x15 /* Hex value for current version */ 488 489typedef enum { 490 PI_MDP_ABLE = 0x80, /* Supports MDP message */ 491 PI_WIDE_32 = 0x40, /* Supports 32 bit wide SCSI */ 492 PI_WIDE_16 = 0x20, /* Supports 16 bit wide SCSI */ 493 PI_SDTR_ABLE = 0x10, /* Supports SDTR message */ 494 PI_LINKED_CDB = 0x08, /* Supports linked CDBs */ 495 PI_TAG_ABLE = 0x02, /* Supports tag queue messages */ 496 PI_SOFT_RST = 0x01 /* Supports soft reset alternative */ 497} pi_inqflag; 498 499typedef enum { 500 PIT_PROCESSOR = 0x80, /* Target mode processor mode */ 501 PIT_PHASE = 0x40, /* Target mode phase cog. mode */ 502 PIT_DISCONNECT = 0x20, /* Disconnects supported in target mode */ 503 PIT_TERM_IO = 0x10, /* Terminate I/O message supported in TM */ 504 PIT_GRP_6 = 0x08, /* Group 6 commands supported */ 505 PIT_GRP_7 = 0x04 /* Group 7 commands supported */ 506} pi_tmflag; 507 508typedef enum { 509 PIM_SCANHILO = 0x80, /* Bus scans from high ID to low ID */ 510 PIM_NOREMOVE = 0x40, /* Removeable devices not included in scan */ 511 PIM_NOINITIATOR = 0x20, /* Initiator role not supported. */ 512 PIM_NOBUSRESET = 0x10, /* User has disabled initial BUS RESET */ 513 PIM_NO_6_BYTE = 0x08, /* Do not send 6-byte commands */ 514 PIM_SEQSCAN = 0x04 /* Do bus scans sequentially, not in parallel */ 515} pi_miscflag; 516 517/* Path Inquiry CCB */ 518struct ccb_pathinq_settings_spi { 519 u_int8_t ppr_options; 520}; 521struct ccb_pathinq_settings_fc { 522 u_int64_t wwnn; /* world wide node name */ 523 u_int64_t wwpn; /* world wide port name */ 524 u_int32_t port; /* 24 bit port id, if known */ 525 u_int32_t bitrate; /* Mbps */ 526}; 527struct ccb_pathinq_settings_sas { 528 u_int32_t bitrate; /* Mbps */ 529}; 530#define PATHINQ_SETTINGS_SIZE 128 531 532struct ccb_pathinq { 533 struct ccb_hdr ccb_h; 534 u_int8_t version_num; /* Version number for the SIM/HBA */ 535 u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */ 536 u_int8_t target_sprt; /* Flags for target mode support */ 537 u_int8_t hba_misc; /* Misc HBA features */ 538 u_int16_t hba_eng_cnt; /* HBA engine count */ 539 /* Vendor Unique capabilities */ 540 u_int8_t vuhba_flags[VUHBALEN]; 541 u_int32_t max_target; /* Maximum supported Target */ 542 u_int32_t max_lun; /* Maximum supported Lun */ 543 u_int32_t async_flags; /* Installed Async handlers */ 544 path_id_t hpath_id; /* Highest Path ID in the subsystem */ 545 target_id_t initiator_id; /* ID of the HBA on the SCSI bus */ 546 char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */ 547 char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */ 548 char dev_name[DEV_IDLEN];/* Device name for SIM */ 549 u_int32_t unit_number; /* Unit number for SIM */ 550 u_int32_t bus_id; /* Bus ID for SIM */ 551 u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */ 552 cam_proto protocol; 553 u_int protocol_version; 554 cam_xport transport; 555 u_int transport_version; 556 union { 557 struct ccb_pathinq_settings_spi spi; 558 struct ccb_pathinq_settings_fc fc; 559 struct ccb_pathinq_settings_sas sas; 560 char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE]; 561 } xport_specific; 562}; 563 564/* Path Statistics CCB */ 565struct ccb_pathstats { 566 struct ccb_hdr ccb_h; 567 struct timeval last_reset; /* Time of last bus reset/loop init */ 568}; 569 570typedef union { 571 u_int8_t *sense_ptr; /* 572 * Pointer to storage 573 * for sense information 574 */ 575 /* Storage Area for sense information */ 576 struct scsi_sense_data sense_buf; 577} sense_t; 578 579typedef union { 580 u_int8_t *cdb_ptr; /* Pointer to the CDB bytes to send */ 581 /* Area for the CDB send */ 582 u_int8_t cdb_bytes[IOCDBLEN]; 583} cdb_t; 584 585/* 586 * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO 587 * function codes. 588 */ 589struct ccb_scsiio { 590 struct ccb_hdr ccb_h; 591 union ccb *next_ccb; /* Ptr for next CCB for action */ 592 u_int8_t *req_map; /* Ptr to mapping info */ 593 u_int8_t *data_ptr; /* Ptr to the data buf/SG list */ 594 u_int32_t dxfer_len; /* Data transfer length */ 595 /* Autosense storage */ 596 struct scsi_sense_data sense_data; 597 u_int8_t sense_len; /* Number of bytes to autosense */ 598 u_int8_t cdb_len; /* Number of bytes for the CDB */ 599 u_int16_t sglist_cnt; /* Number of SG list entries */ 600 u_int8_t scsi_status; /* Returned SCSI status */ 601 u_int8_t sense_resid; /* Autosense resid length: 2's comp */ 602 u_int32_t resid; /* Transfer residual length: 2's comp */ 603 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 604 u_int8_t *msg_ptr; /* Pointer to the message buffer */ 605 u_int16_t msg_len; /* Number of bytes for the Message */ 606 u_int8_t tag_action; /* What to do for tag queueing */ 607 /* 608 * The tag action should be either the define below (to send a 609 * non-tagged transaction) or one of the defined scsi tag messages 610 * from scsi_message.h. 611 */ 612#define CAM_TAG_ACTION_NONE 0x00 613 u_int tag_id; /* tag id from initator (target mode) */ 614 u_int init_id; /* initiator id of who selected */ 615}; 616 617struct ccb_accept_tio { 618 struct ccb_hdr ccb_h; 619 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 620 u_int8_t cdb_len; /* Number of bytes for the CDB */ 621 u_int8_t tag_action; /* What to do for tag queueing */ 622 u_int8_t sense_len; /* Number of bytes of Sense Data */ 623 u_int tag_id; /* tag id from initator (target mode) */ 624 u_int init_id; /* initiator id of who selected */ 625 struct scsi_sense_data sense_data; 626}; 627 628/* Release SIM Queue */ 629struct ccb_relsim { 630 struct ccb_hdr ccb_h; 631 u_int32_t release_flags; 632#define RELSIM_ADJUST_OPENINGS 0x01 633#define RELSIM_RELEASE_AFTER_TIMEOUT 0x02 634#define RELSIM_RELEASE_AFTER_CMDCMPLT 0x04 635#define RELSIM_RELEASE_AFTER_QEMPTY 0x08 636 u_int32_t openings; 637 u_int32_t release_timeout; 638 u_int32_t qfrozen_cnt; 639}; 640 641/* 642 * Definitions for the asynchronous callback CCB fields. 643 */ 644typedef enum { 645 AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */ 646 AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */ 647 AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */ 648 AC_LOST_DEVICE = 0x100,/* A device went away */ 649 AC_FOUND_DEVICE = 0x080,/* A new device was found */ 650 AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */ 651 AC_PATH_REGISTERED = 0x020,/* A new path has been registered */ 652 AC_SENT_BDR = 0x010,/* A BDR message was sent to target */ 653 AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */ 654 AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */ 655 AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */ 656} ac_code; 657 658typedef void ac_callback_t (void *softc, u_int32_t code, 659 struct cam_path *path, void *args); 660 661/* Set Asynchronous Callback CCB */ 662struct ccb_setasync { 663 struct ccb_hdr ccb_h; 664 u_int32_t event_enable; /* Async Event enables */ 665 ac_callback_t *callback; 666 void *callback_arg; 667}; 668 669/* Set Device Type CCB */ 670struct ccb_setdev { 671 struct ccb_hdr ccb_h; 672 u_int8_t dev_type; /* Value for dev type field in EDT */ 673}; 674 675/* SCSI Control Functions */ 676 677/* Abort XPT request CCB */ 678struct ccb_abort { 679 struct ccb_hdr ccb_h; 680 union ccb *abort_ccb; /* Pointer to CCB to abort */ 681}; 682 683/* Reset SCSI Bus CCB */ 684struct ccb_resetbus { 685 struct ccb_hdr ccb_h; 686}; 687 688/* Reset SCSI Device CCB */ 689struct ccb_resetdev { 690 struct ccb_hdr ccb_h; 691}; 692 693/* Terminate I/O Process Request CCB */ 694struct ccb_termio { 695 struct ccb_hdr ccb_h; 696 union ccb *termio_ccb; /* Pointer to CCB to terminate */ 697}; 698 699typedef enum { 700 CTS_TYPE_CURRENT_SETTINGS, 701 CTS_TYPE_USER_SETTINGS 702} cts_type; 703 704struct ccb_trans_settings_scsi 705{ 706 u_int valid; /* Which fields to honor */ 707#define CTS_SCSI_VALID_TQ 0x01 708 u_int flags; 709#define CTS_SCSI_FLAGS_TAG_ENB 0x01 710}; 711 712struct ccb_trans_settings_spi 713{ 714 u_int valid; /* Which fields to honor */ 715#define CTS_SPI_VALID_SYNC_RATE 0x01 716#define CTS_SPI_VALID_SYNC_OFFSET 0x02 717#define CTS_SPI_VALID_BUS_WIDTH 0x04 718#define CTS_SPI_VALID_DISC 0x08 719#define CTS_SPI_VALID_PPR_OPTIONS 0x10 720 u_int flags; 721#define CTS_SPI_FLAGS_DISC_ENB 0x01 722 u_int sync_period; 723 u_int sync_offset; 724 u_int bus_width; 725 u_int ppr_options; 726}; 727 728struct ccb_trans_settings_fc { 729 u_int valid; /* Which fields to honor */ 730#define CTS_FC_VALID_WWNN 0x8000 731#define CTS_FC_VALID_WWPN 0x4000 732#define CTS_FC_VALID_PORT 0x2000 733#define CTS_FC_VALID_SPEED 0x1000 734 u_int64_t wwnn; /* world wide node name */ 735 u_int64_t wwpn; /* world wide port name */ 736 u_int32_t port; /* 24 bit port id, if known */ 737 u_int32_t bitrate; /* Mbps */ 738}; 739 740struct ccb_trans_settings_sas { 741 u_int valid; /* Which fields to honor */ 742#define CTS_SAS_VALID_SPEED 0x1000 743 u_int32_t bitrate; /* Mbps */ 744}; 745 746 747/* Get/Set transfer rate/width/disconnection/tag queueing settings */ 748struct ccb_trans_settings { 749 struct ccb_hdr ccb_h; 750 cts_type type; /* Current or User settings */ 751 cam_proto protocol; 752 u_int protocol_version; 753 cam_xport transport; 754 u_int transport_version; 755 union { 756 u_int valid; /* Which fields to honor */ 757 struct ccb_trans_settings_scsi scsi; 758 } proto_specific; 759 union { 760 u_int valid; /* Which fields to honor */ 761 struct ccb_trans_settings_spi spi; 762 struct ccb_trans_settings_fc fc; 763 struct ccb_trans_settings_sas sas; 764 } xport_specific; 765}; 766 767 768/* 769 * Calculate the geometry parameters for a device 770 * give the block size and volume size in blocks. 771 */ 772struct ccb_calc_geometry { 773 struct ccb_hdr ccb_h; 774 u_int32_t block_size; 775 u_int64_t volume_size; 776 u_int32_t cylinders; 777 u_int8_t heads; 778 u_int8_t secs_per_track; 779}; 780 781/* 782 * Rescan the given bus, or bus/target/lun 783 */ 784struct ccb_rescan { 785 struct ccb_hdr ccb_h; 786 cam_flags flags; 787}; 788 789/* 790 * Turn on debugging for the given bus, bus/target, or bus/target/lun. 791 */ 792struct ccb_debug { 793 struct ccb_hdr ccb_h; 794 cam_debug_flags flags; 795}; 796 797/* Target mode structures. */ 798 799struct ccb_en_lun { 800 struct ccb_hdr ccb_h; 801 u_int16_t grp6_len; /* Group 6 VU CDB length */ 802 u_int16_t grp7_len; /* Group 7 VU CDB length */ 803 u_int8_t enable; 804}; 805 806struct ccb_immed_notify { 807 struct ccb_hdr ccb_h; 808 struct scsi_sense_data sense_data; 809 u_int8_t sense_len; /* Number of bytes in sense buffer */ 810 u_int8_t initiator_id; /* Id of initiator that selected */ 811 u_int8_t message_args[7]; /* Message Arguments */ 812}; 813 814struct ccb_notify_ack { 815 struct ccb_hdr ccb_h; 816 u_int16_t seq_id; /* Sequence identifier */ 817 u_int8_t event; /* Event flags */ 818}; 819 820/* HBA engine structures. */ 821 822typedef enum { 823 EIT_BUFFER, /* Engine type: buffer memory */ 824 EIT_LOSSLESS, /* Engine type: lossless compression */ 825 EIT_LOSSY, /* Engine type: lossy compression */ 826 EIT_ENCRYPT /* Engine type: encryption */ 827} ei_type; 828 829typedef enum { 830 EAD_VUNIQUE, /* Engine algorithm ID: vendor unique */ 831 EAD_LZ1V1, /* Engine algorithm ID: LZ1 var.1 */ 832 EAD_LZ2V1, /* Engine algorithm ID: LZ2 var.1 */ 833 EAD_LZ2V2 /* Engine algorithm ID: LZ2 var.2 */ 834} ei_algo; 835 836struct ccb_eng_inq { 837 struct ccb_hdr ccb_h; 838 u_int16_t eng_num; /* The engine number for this inquiry */ 839 ei_type eng_type; /* Returned engine type */ 840 ei_algo eng_algo; /* Returned engine algorithm type */ 841 u_int32_t eng_memeory; /* Returned engine memory size */ 842}; 843 844struct ccb_eng_exec { /* This structure must match SCSIIO size */ 845 struct ccb_hdr ccb_h; 846 u_int8_t *pdrv_ptr; /* Ptr used by the peripheral driver */ 847 u_int8_t *req_map; /* Ptr for mapping info on the req. */ 848 u_int8_t *data_ptr; /* Pointer to the data buf/SG list */ 849 u_int32_t dxfer_len; /* Data transfer length */ 850 u_int8_t *engdata_ptr; /* Pointer to the engine buffer data */ 851 u_int16_t sglist_cnt; /* Num of scatter gather list entries */ 852 u_int32_t dmax_len; /* Destination data maximum length */ 853 u_int32_t dest_len; /* Destination data length */ 854 int32_t src_resid; /* Source residual length: 2's comp */ 855 u_int32_t timeout; /* Timeout value */ 856 u_int16_t eng_num; /* Engine number for this request */ 857 u_int16_t vu_flags; /* Vendor Unique flags */ 858}; 859 860/* 861 * Definitions for the timeout field in the SCSI I/O CCB. 862 */ 863#define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */ 864#define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout */ 865 866#define CAM_SUCCESS 0 /* For signaling general success */ 867#define CAM_FAILURE 1 /* For signaling general failure */ 868 869#define CAM_FALSE 0 870#define CAM_TRUE 1 871 872#define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */ 873 874/* 875 * Union of all CCB types for kernel space allocation. This union should 876 * never be used for manipulating CCBs - its only use is for the allocation 877 * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc 878 * and the argument to xpt_ccb_free. 879 */ 880union ccb { 881 struct ccb_hdr ccb_h; /* For convenience */ 882 struct ccb_scsiio csio; 883 struct ccb_getdev cgd; 884 struct ccb_getdevlist cgdl; 885 struct ccb_pathinq cpi; 886 struct ccb_relsim crs; 887 struct ccb_setasync csa; 888 struct ccb_setdev csd; 889 struct ccb_pathstats cpis; 890 struct ccb_getdevstats cgds; 891 struct ccb_dev_match cdm; 892 struct ccb_trans_settings cts; 893 struct ccb_calc_geometry ccg; 894 struct ccb_abort cab; 895 struct ccb_resetbus crb; 896 struct ccb_resetdev crd; 897 struct ccb_termio tio; 898 struct ccb_accept_tio atio; 899 struct ccb_scsiio ctio; 900 struct ccb_en_lun cel; 901 struct ccb_immed_notify cin; 902 struct ccb_notify_ack cna; 903 struct ccb_eng_inq cei; 904 struct ccb_eng_exec cee; 905 struct ccb_rescan crcn; 906 struct ccb_debug cdbg; 907}; 908 909__BEGIN_DECLS 910static __inline void 911cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 912 void (*cbfcnp)(struct cam_periph *, union ccb *), 913 u_int32_t flags, u_int8_t tag_action, 914 u_int8_t *data_ptr, u_int32_t dxfer_len, 915 u_int8_t sense_len, u_int8_t cdb_len, 916 u_int32_t timeout); 917 918static __inline void 919cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 920 void (*cbfcnp)(struct cam_periph *, union ccb *), 921 u_int32_t flags, u_int tag_action, u_int tag_id, 922 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 923 u_int32_t dxfer_len, u_int32_t timeout); 924 925static __inline void 926cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 927 void (*cbfcnp)(struct cam_periph *, union ccb *), 928 u_int32_t flags, u_int8_t tag_action, 929 u_int8_t *data_ptr, u_int32_t dxfer_len, 930 u_int8_t sense_len, u_int8_t cdb_len, 931 u_int32_t timeout) 932{ 933 csio->ccb_h.func_code = XPT_SCSI_IO; 934 csio->ccb_h.flags = flags; 935 csio->ccb_h.retry_count = retries; 936 csio->ccb_h.cbfcnp = cbfcnp; 937 csio->ccb_h.timeout = timeout; 938 csio->data_ptr = data_ptr; 939 csio->dxfer_len = dxfer_len; 940 csio->sense_len = sense_len; 941 csio->cdb_len = cdb_len; 942 csio->tag_action = tag_action; 943} 944 945static __inline void 946cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 947 void (*cbfcnp)(struct cam_periph *, union ccb *), 948 u_int32_t flags, u_int tag_action, u_int tag_id, 949 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 950 u_int32_t dxfer_len, u_int32_t timeout) 951{ 952 csio->ccb_h.func_code = XPT_CONT_TARGET_IO; 953 csio->ccb_h.flags = flags; 954 csio->ccb_h.retry_count = retries; 955 csio->ccb_h.cbfcnp = cbfcnp; 956 csio->ccb_h.timeout = timeout; 957 csio->data_ptr = data_ptr; 958 csio->dxfer_len = dxfer_len; 959 csio->scsi_status = scsi_status; 960 csio->tag_action = tag_action; 961 csio->tag_id = tag_id; 962 csio->init_id = init_id; 963} 964 965void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 966 967__END_DECLS 968 969#endif /* _CAM_CAM_CCB_H */
| 282}; 283 284/* Get Device Information CCB */ 285struct ccb_getdev { 286 struct ccb_hdr ccb_h; 287 struct scsi_inquiry_data inq_data; 288 u_int8_t serial_num[252]; 289 u_int8_t reserved; 290 u_int8_t serial_num_len; 291}; 292 293/* Device Statistics CCB */ 294struct ccb_getdevstats { 295 struct ccb_hdr ccb_h; 296 int dev_openings; /* Space left for more work on device*/ 297 int dev_active; /* Transactions running on the device */ 298 int devq_openings; /* Space left for more queued work */ 299 int devq_queued; /* Transactions queued to be sent */ 300 int held; /* 301 * CCBs held by peripheral drivers 302 * for this device 303 */ 304 int maxtags; /* 305 * Boundary conditions for number of 306 * tagged operations 307 */ 308 int mintags; 309 struct timeval last_reset; /* Time of last bus reset/loop init */ 310}; 311 312typedef enum { 313 CAM_GDEVLIST_LAST_DEVICE, 314 CAM_GDEVLIST_LIST_CHANGED, 315 CAM_GDEVLIST_MORE_DEVS, 316 CAM_GDEVLIST_ERROR 317} ccb_getdevlist_status_e; 318 319struct ccb_getdevlist { 320 struct ccb_hdr ccb_h; 321 char periph_name[DEV_IDLEN]; 322 u_int32_t unit_number; 323 unsigned int generation; 324 u_int32_t index; 325 ccb_getdevlist_status_e status; 326}; 327 328typedef enum { 329 PERIPH_MATCH_NONE = 0x000, 330 PERIPH_MATCH_PATH = 0x001, 331 PERIPH_MATCH_TARGET = 0x002, 332 PERIPH_MATCH_LUN = 0x004, 333 PERIPH_MATCH_NAME = 0x008, 334 PERIPH_MATCH_UNIT = 0x010, 335 PERIPH_MATCH_ANY = 0x01f 336} periph_pattern_flags; 337 338struct periph_match_pattern { 339 char periph_name[DEV_IDLEN]; 340 u_int32_t unit_number; 341 path_id_t path_id; 342 target_id_t target_id; 343 lun_id_t target_lun; 344 periph_pattern_flags flags; 345}; 346 347typedef enum { 348 DEV_MATCH_NONE = 0x000, 349 DEV_MATCH_PATH = 0x001, 350 DEV_MATCH_TARGET = 0x002, 351 DEV_MATCH_LUN = 0x004, 352 DEV_MATCH_INQUIRY = 0x008, 353 DEV_MATCH_ANY = 0x00f 354} dev_pattern_flags; 355 356struct device_match_pattern { 357 path_id_t path_id; 358 target_id_t target_id; 359 lun_id_t target_lun; 360 struct scsi_static_inquiry_pattern inq_pat; 361 dev_pattern_flags flags; 362}; 363 364typedef enum { 365 BUS_MATCH_NONE = 0x000, 366 BUS_MATCH_PATH = 0x001, 367 BUS_MATCH_NAME = 0x002, 368 BUS_MATCH_UNIT = 0x004, 369 BUS_MATCH_BUS_ID = 0x008, 370 BUS_MATCH_ANY = 0x00f 371} bus_pattern_flags; 372 373struct bus_match_pattern { 374 path_id_t path_id; 375 char dev_name[DEV_IDLEN]; 376 u_int32_t unit_number; 377 u_int32_t bus_id; 378 bus_pattern_flags flags; 379}; 380 381union match_pattern { 382 struct periph_match_pattern periph_pattern; 383 struct device_match_pattern device_pattern; 384 struct bus_match_pattern bus_pattern; 385}; 386 387typedef enum { 388 DEV_MATCH_PERIPH, 389 DEV_MATCH_DEVICE, 390 DEV_MATCH_BUS 391} dev_match_type; 392 393struct dev_match_pattern { 394 dev_match_type type; 395 union match_pattern pattern; 396}; 397 398struct periph_match_result { 399 char periph_name[DEV_IDLEN]; 400 u_int32_t unit_number; 401 path_id_t path_id; 402 target_id_t target_id; 403 lun_id_t target_lun; 404}; 405 406typedef enum { 407 DEV_RESULT_NOFLAG = 0x00, 408 DEV_RESULT_UNCONFIGURED = 0x01 409} dev_result_flags; 410 411struct device_match_result { 412 path_id_t path_id; 413 target_id_t target_id; 414 lun_id_t target_lun; 415 struct scsi_inquiry_data inq_data; 416 dev_result_flags flags; 417}; 418 419struct bus_match_result { 420 path_id_t path_id; 421 char dev_name[DEV_IDLEN]; 422 u_int32_t unit_number; 423 u_int32_t bus_id; 424}; 425 426union match_result { 427 struct periph_match_result periph_result; 428 struct device_match_result device_result; 429 struct bus_match_result bus_result; 430}; 431 432struct dev_match_result { 433 dev_match_type type; 434 union match_result result; 435}; 436 437typedef enum { 438 CAM_DEV_MATCH_LAST, 439 CAM_DEV_MATCH_MORE, 440 CAM_DEV_MATCH_LIST_CHANGED, 441 CAM_DEV_MATCH_SIZE_ERROR, 442 CAM_DEV_MATCH_ERROR 443} ccb_dev_match_status; 444 445typedef enum { 446 CAM_DEV_POS_NONE = 0x000, 447 CAM_DEV_POS_BUS = 0x001, 448 CAM_DEV_POS_TARGET = 0x002, 449 CAM_DEV_POS_DEVICE = 0x004, 450 CAM_DEV_POS_PERIPH = 0x008, 451 CAM_DEV_POS_PDPTR = 0x010, 452 CAM_DEV_POS_TYPEMASK = 0xf00, 453 CAM_DEV_POS_EDT = 0x100, 454 CAM_DEV_POS_PDRV = 0x200 455} dev_pos_type; 456 457struct ccb_dm_cookie { 458 void *bus; 459 void *target; 460 void *device; 461 void *periph; 462 void *pdrv; 463}; 464 465struct ccb_dev_position { 466 u_int generations[4]; 467#define CAM_BUS_GENERATION 0x00 468#define CAM_TARGET_GENERATION 0x01 469#define CAM_DEV_GENERATION 0x02 470#define CAM_PERIPH_GENERATION 0x03 471 dev_pos_type position_type; 472 struct ccb_dm_cookie cookie; 473}; 474 475struct ccb_dev_match { 476 struct ccb_hdr ccb_h; 477 ccb_dev_match_status status; 478 u_int32_t num_patterns; 479 u_int32_t pattern_buf_len; 480 struct dev_match_pattern *patterns; 481 u_int32_t num_matches; 482 u_int32_t match_buf_len; 483 struct dev_match_result *matches; 484 struct ccb_dev_position pos; 485}; 486 487/* 488 * Definitions for the path inquiry CCB fields. 489 */ 490#define CAM_VERSION 0x15 /* Hex value for current version */ 491 492typedef enum { 493 PI_MDP_ABLE = 0x80, /* Supports MDP message */ 494 PI_WIDE_32 = 0x40, /* Supports 32 bit wide SCSI */ 495 PI_WIDE_16 = 0x20, /* Supports 16 bit wide SCSI */ 496 PI_SDTR_ABLE = 0x10, /* Supports SDTR message */ 497 PI_LINKED_CDB = 0x08, /* Supports linked CDBs */ 498 PI_TAG_ABLE = 0x02, /* Supports tag queue messages */ 499 PI_SOFT_RST = 0x01 /* Supports soft reset alternative */ 500} pi_inqflag; 501 502typedef enum { 503 PIT_PROCESSOR = 0x80, /* Target mode processor mode */ 504 PIT_PHASE = 0x40, /* Target mode phase cog. mode */ 505 PIT_DISCONNECT = 0x20, /* Disconnects supported in target mode */ 506 PIT_TERM_IO = 0x10, /* Terminate I/O message supported in TM */ 507 PIT_GRP_6 = 0x08, /* Group 6 commands supported */ 508 PIT_GRP_7 = 0x04 /* Group 7 commands supported */ 509} pi_tmflag; 510 511typedef enum { 512 PIM_SCANHILO = 0x80, /* Bus scans from high ID to low ID */ 513 PIM_NOREMOVE = 0x40, /* Removeable devices not included in scan */ 514 PIM_NOINITIATOR = 0x20, /* Initiator role not supported. */ 515 PIM_NOBUSRESET = 0x10, /* User has disabled initial BUS RESET */ 516 PIM_NO_6_BYTE = 0x08, /* Do not send 6-byte commands */ 517 PIM_SEQSCAN = 0x04 /* Do bus scans sequentially, not in parallel */ 518} pi_miscflag; 519 520/* Path Inquiry CCB */ 521struct ccb_pathinq_settings_spi { 522 u_int8_t ppr_options; 523}; 524struct ccb_pathinq_settings_fc { 525 u_int64_t wwnn; /* world wide node name */ 526 u_int64_t wwpn; /* world wide port name */ 527 u_int32_t port; /* 24 bit port id, if known */ 528 u_int32_t bitrate; /* Mbps */ 529}; 530struct ccb_pathinq_settings_sas { 531 u_int32_t bitrate; /* Mbps */ 532}; 533#define PATHINQ_SETTINGS_SIZE 128 534 535struct ccb_pathinq { 536 struct ccb_hdr ccb_h; 537 u_int8_t version_num; /* Version number for the SIM/HBA */ 538 u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */ 539 u_int8_t target_sprt; /* Flags for target mode support */ 540 u_int8_t hba_misc; /* Misc HBA features */ 541 u_int16_t hba_eng_cnt; /* HBA engine count */ 542 /* Vendor Unique capabilities */ 543 u_int8_t vuhba_flags[VUHBALEN]; 544 u_int32_t max_target; /* Maximum supported Target */ 545 u_int32_t max_lun; /* Maximum supported Lun */ 546 u_int32_t async_flags; /* Installed Async handlers */ 547 path_id_t hpath_id; /* Highest Path ID in the subsystem */ 548 target_id_t initiator_id; /* ID of the HBA on the SCSI bus */ 549 char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */ 550 char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */ 551 char dev_name[DEV_IDLEN];/* Device name for SIM */ 552 u_int32_t unit_number; /* Unit number for SIM */ 553 u_int32_t bus_id; /* Bus ID for SIM */ 554 u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */ 555 cam_proto protocol; 556 u_int protocol_version; 557 cam_xport transport; 558 u_int transport_version; 559 union { 560 struct ccb_pathinq_settings_spi spi; 561 struct ccb_pathinq_settings_fc fc; 562 struct ccb_pathinq_settings_sas sas; 563 char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE]; 564 } xport_specific; 565}; 566 567/* Path Statistics CCB */ 568struct ccb_pathstats { 569 struct ccb_hdr ccb_h; 570 struct timeval last_reset; /* Time of last bus reset/loop init */ 571}; 572 573typedef union { 574 u_int8_t *sense_ptr; /* 575 * Pointer to storage 576 * for sense information 577 */ 578 /* Storage Area for sense information */ 579 struct scsi_sense_data sense_buf; 580} sense_t; 581 582typedef union { 583 u_int8_t *cdb_ptr; /* Pointer to the CDB bytes to send */ 584 /* Area for the CDB send */ 585 u_int8_t cdb_bytes[IOCDBLEN]; 586} cdb_t; 587 588/* 589 * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO 590 * function codes. 591 */ 592struct ccb_scsiio { 593 struct ccb_hdr ccb_h; 594 union ccb *next_ccb; /* Ptr for next CCB for action */ 595 u_int8_t *req_map; /* Ptr to mapping info */ 596 u_int8_t *data_ptr; /* Ptr to the data buf/SG list */ 597 u_int32_t dxfer_len; /* Data transfer length */ 598 /* Autosense storage */ 599 struct scsi_sense_data sense_data; 600 u_int8_t sense_len; /* Number of bytes to autosense */ 601 u_int8_t cdb_len; /* Number of bytes for the CDB */ 602 u_int16_t sglist_cnt; /* Number of SG list entries */ 603 u_int8_t scsi_status; /* Returned SCSI status */ 604 u_int8_t sense_resid; /* Autosense resid length: 2's comp */ 605 u_int32_t resid; /* Transfer residual length: 2's comp */ 606 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 607 u_int8_t *msg_ptr; /* Pointer to the message buffer */ 608 u_int16_t msg_len; /* Number of bytes for the Message */ 609 u_int8_t tag_action; /* What to do for tag queueing */ 610 /* 611 * The tag action should be either the define below (to send a 612 * non-tagged transaction) or one of the defined scsi tag messages 613 * from scsi_message.h. 614 */ 615#define CAM_TAG_ACTION_NONE 0x00 616 u_int tag_id; /* tag id from initator (target mode) */ 617 u_int init_id; /* initiator id of who selected */ 618}; 619 620struct ccb_accept_tio { 621 struct ccb_hdr ccb_h; 622 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 623 u_int8_t cdb_len; /* Number of bytes for the CDB */ 624 u_int8_t tag_action; /* What to do for tag queueing */ 625 u_int8_t sense_len; /* Number of bytes of Sense Data */ 626 u_int tag_id; /* tag id from initator (target mode) */ 627 u_int init_id; /* initiator id of who selected */ 628 struct scsi_sense_data sense_data; 629}; 630 631/* Release SIM Queue */ 632struct ccb_relsim { 633 struct ccb_hdr ccb_h; 634 u_int32_t release_flags; 635#define RELSIM_ADJUST_OPENINGS 0x01 636#define RELSIM_RELEASE_AFTER_TIMEOUT 0x02 637#define RELSIM_RELEASE_AFTER_CMDCMPLT 0x04 638#define RELSIM_RELEASE_AFTER_QEMPTY 0x08 639 u_int32_t openings; 640 u_int32_t release_timeout; 641 u_int32_t qfrozen_cnt; 642}; 643 644/* 645 * Definitions for the asynchronous callback CCB fields. 646 */ 647typedef enum { 648 AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */ 649 AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */ 650 AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */ 651 AC_LOST_DEVICE = 0x100,/* A device went away */ 652 AC_FOUND_DEVICE = 0x080,/* A new device was found */ 653 AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */ 654 AC_PATH_REGISTERED = 0x020,/* A new path has been registered */ 655 AC_SENT_BDR = 0x010,/* A BDR message was sent to target */ 656 AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */ 657 AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */ 658 AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */ 659} ac_code; 660 661typedef void ac_callback_t (void *softc, u_int32_t code, 662 struct cam_path *path, void *args); 663 664/* Set Asynchronous Callback CCB */ 665struct ccb_setasync { 666 struct ccb_hdr ccb_h; 667 u_int32_t event_enable; /* Async Event enables */ 668 ac_callback_t *callback; 669 void *callback_arg; 670}; 671 672/* Set Device Type CCB */ 673struct ccb_setdev { 674 struct ccb_hdr ccb_h; 675 u_int8_t dev_type; /* Value for dev type field in EDT */ 676}; 677 678/* SCSI Control Functions */ 679 680/* Abort XPT request CCB */ 681struct ccb_abort { 682 struct ccb_hdr ccb_h; 683 union ccb *abort_ccb; /* Pointer to CCB to abort */ 684}; 685 686/* Reset SCSI Bus CCB */ 687struct ccb_resetbus { 688 struct ccb_hdr ccb_h; 689}; 690 691/* Reset SCSI Device CCB */ 692struct ccb_resetdev { 693 struct ccb_hdr ccb_h; 694}; 695 696/* Terminate I/O Process Request CCB */ 697struct ccb_termio { 698 struct ccb_hdr ccb_h; 699 union ccb *termio_ccb; /* Pointer to CCB to terminate */ 700}; 701 702typedef enum { 703 CTS_TYPE_CURRENT_SETTINGS, 704 CTS_TYPE_USER_SETTINGS 705} cts_type; 706 707struct ccb_trans_settings_scsi 708{ 709 u_int valid; /* Which fields to honor */ 710#define CTS_SCSI_VALID_TQ 0x01 711 u_int flags; 712#define CTS_SCSI_FLAGS_TAG_ENB 0x01 713}; 714 715struct ccb_trans_settings_spi 716{ 717 u_int valid; /* Which fields to honor */ 718#define CTS_SPI_VALID_SYNC_RATE 0x01 719#define CTS_SPI_VALID_SYNC_OFFSET 0x02 720#define CTS_SPI_VALID_BUS_WIDTH 0x04 721#define CTS_SPI_VALID_DISC 0x08 722#define CTS_SPI_VALID_PPR_OPTIONS 0x10 723 u_int flags; 724#define CTS_SPI_FLAGS_DISC_ENB 0x01 725 u_int sync_period; 726 u_int sync_offset; 727 u_int bus_width; 728 u_int ppr_options; 729}; 730 731struct ccb_trans_settings_fc { 732 u_int valid; /* Which fields to honor */ 733#define CTS_FC_VALID_WWNN 0x8000 734#define CTS_FC_VALID_WWPN 0x4000 735#define CTS_FC_VALID_PORT 0x2000 736#define CTS_FC_VALID_SPEED 0x1000 737 u_int64_t wwnn; /* world wide node name */ 738 u_int64_t wwpn; /* world wide port name */ 739 u_int32_t port; /* 24 bit port id, if known */ 740 u_int32_t bitrate; /* Mbps */ 741}; 742 743struct ccb_trans_settings_sas { 744 u_int valid; /* Which fields to honor */ 745#define CTS_SAS_VALID_SPEED 0x1000 746 u_int32_t bitrate; /* Mbps */ 747}; 748 749 750/* Get/Set transfer rate/width/disconnection/tag queueing settings */ 751struct ccb_trans_settings { 752 struct ccb_hdr ccb_h; 753 cts_type type; /* Current or User settings */ 754 cam_proto protocol; 755 u_int protocol_version; 756 cam_xport transport; 757 u_int transport_version; 758 union { 759 u_int valid; /* Which fields to honor */ 760 struct ccb_trans_settings_scsi scsi; 761 } proto_specific; 762 union { 763 u_int valid; /* Which fields to honor */ 764 struct ccb_trans_settings_spi spi; 765 struct ccb_trans_settings_fc fc; 766 struct ccb_trans_settings_sas sas; 767 } xport_specific; 768}; 769 770 771/* 772 * Calculate the geometry parameters for a device 773 * give the block size and volume size in blocks. 774 */ 775struct ccb_calc_geometry { 776 struct ccb_hdr ccb_h; 777 u_int32_t block_size; 778 u_int64_t volume_size; 779 u_int32_t cylinders; 780 u_int8_t heads; 781 u_int8_t secs_per_track; 782}; 783 784/* 785 * Rescan the given bus, or bus/target/lun 786 */ 787struct ccb_rescan { 788 struct ccb_hdr ccb_h; 789 cam_flags flags; 790}; 791 792/* 793 * Turn on debugging for the given bus, bus/target, or bus/target/lun. 794 */ 795struct ccb_debug { 796 struct ccb_hdr ccb_h; 797 cam_debug_flags flags; 798}; 799 800/* Target mode structures. */ 801 802struct ccb_en_lun { 803 struct ccb_hdr ccb_h; 804 u_int16_t grp6_len; /* Group 6 VU CDB length */ 805 u_int16_t grp7_len; /* Group 7 VU CDB length */ 806 u_int8_t enable; 807}; 808 809struct ccb_immed_notify { 810 struct ccb_hdr ccb_h; 811 struct scsi_sense_data sense_data; 812 u_int8_t sense_len; /* Number of bytes in sense buffer */ 813 u_int8_t initiator_id; /* Id of initiator that selected */ 814 u_int8_t message_args[7]; /* Message Arguments */ 815}; 816 817struct ccb_notify_ack { 818 struct ccb_hdr ccb_h; 819 u_int16_t seq_id; /* Sequence identifier */ 820 u_int8_t event; /* Event flags */ 821}; 822 823/* HBA engine structures. */ 824 825typedef enum { 826 EIT_BUFFER, /* Engine type: buffer memory */ 827 EIT_LOSSLESS, /* Engine type: lossless compression */ 828 EIT_LOSSY, /* Engine type: lossy compression */ 829 EIT_ENCRYPT /* Engine type: encryption */ 830} ei_type; 831 832typedef enum { 833 EAD_VUNIQUE, /* Engine algorithm ID: vendor unique */ 834 EAD_LZ1V1, /* Engine algorithm ID: LZ1 var.1 */ 835 EAD_LZ2V1, /* Engine algorithm ID: LZ2 var.1 */ 836 EAD_LZ2V2 /* Engine algorithm ID: LZ2 var.2 */ 837} ei_algo; 838 839struct ccb_eng_inq { 840 struct ccb_hdr ccb_h; 841 u_int16_t eng_num; /* The engine number for this inquiry */ 842 ei_type eng_type; /* Returned engine type */ 843 ei_algo eng_algo; /* Returned engine algorithm type */ 844 u_int32_t eng_memeory; /* Returned engine memory size */ 845}; 846 847struct ccb_eng_exec { /* This structure must match SCSIIO size */ 848 struct ccb_hdr ccb_h; 849 u_int8_t *pdrv_ptr; /* Ptr used by the peripheral driver */ 850 u_int8_t *req_map; /* Ptr for mapping info on the req. */ 851 u_int8_t *data_ptr; /* Pointer to the data buf/SG list */ 852 u_int32_t dxfer_len; /* Data transfer length */ 853 u_int8_t *engdata_ptr; /* Pointer to the engine buffer data */ 854 u_int16_t sglist_cnt; /* Num of scatter gather list entries */ 855 u_int32_t dmax_len; /* Destination data maximum length */ 856 u_int32_t dest_len; /* Destination data length */ 857 int32_t src_resid; /* Source residual length: 2's comp */ 858 u_int32_t timeout; /* Timeout value */ 859 u_int16_t eng_num; /* Engine number for this request */ 860 u_int16_t vu_flags; /* Vendor Unique flags */ 861}; 862 863/* 864 * Definitions for the timeout field in the SCSI I/O CCB. 865 */ 866#define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */ 867#define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout */ 868 869#define CAM_SUCCESS 0 /* For signaling general success */ 870#define CAM_FAILURE 1 /* For signaling general failure */ 871 872#define CAM_FALSE 0 873#define CAM_TRUE 1 874 875#define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */ 876 877/* 878 * Union of all CCB types for kernel space allocation. This union should 879 * never be used for manipulating CCBs - its only use is for the allocation 880 * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc 881 * and the argument to xpt_ccb_free. 882 */ 883union ccb { 884 struct ccb_hdr ccb_h; /* For convenience */ 885 struct ccb_scsiio csio; 886 struct ccb_getdev cgd; 887 struct ccb_getdevlist cgdl; 888 struct ccb_pathinq cpi; 889 struct ccb_relsim crs; 890 struct ccb_setasync csa; 891 struct ccb_setdev csd; 892 struct ccb_pathstats cpis; 893 struct ccb_getdevstats cgds; 894 struct ccb_dev_match cdm; 895 struct ccb_trans_settings cts; 896 struct ccb_calc_geometry ccg; 897 struct ccb_abort cab; 898 struct ccb_resetbus crb; 899 struct ccb_resetdev crd; 900 struct ccb_termio tio; 901 struct ccb_accept_tio atio; 902 struct ccb_scsiio ctio; 903 struct ccb_en_lun cel; 904 struct ccb_immed_notify cin; 905 struct ccb_notify_ack cna; 906 struct ccb_eng_inq cei; 907 struct ccb_eng_exec cee; 908 struct ccb_rescan crcn; 909 struct ccb_debug cdbg; 910}; 911 912__BEGIN_DECLS 913static __inline void 914cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 915 void (*cbfcnp)(struct cam_periph *, union ccb *), 916 u_int32_t flags, u_int8_t tag_action, 917 u_int8_t *data_ptr, u_int32_t dxfer_len, 918 u_int8_t sense_len, u_int8_t cdb_len, 919 u_int32_t timeout); 920 921static __inline void 922cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 923 void (*cbfcnp)(struct cam_periph *, union ccb *), 924 u_int32_t flags, u_int tag_action, u_int tag_id, 925 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 926 u_int32_t dxfer_len, u_int32_t timeout); 927 928static __inline void 929cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 930 void (*cbfcnp)(struct cam_periph *, union ccb *), 931 u_int32_t flags, u_int8_t tag_action, 932 u_int8_t *data_ptr, u_int32_t dxfer_len, 933 u_int8_t sense_len, u_int8_t cdb_len, 934 u_int32_t timeout) 935{ 936 csio->ccb_h.func_code = XPT_SCSI_IO; 937 csio->ccb_h.flags = flags; 938 csio->ccb_h.retry_count = retries; 939 csio->ccb_h.cbfcnp = cbfcnp; 940 csio->ccb_h.timeout = timeout; 941 csio->data_ptr = data_ptr; 942 csio->dxfer_len = dxfer_len; 943 csio->sense_len = sense_len; 944 csio->cdb_len = cdb_len; 945 csio->tag_action = tag_action; 946} 947 948static __inline void 949cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 950 void (*cbfcnp)(struct cam_periph *, union ccb *), 951 u_int32_t flags, u_int tag_action, u_int tag_id, 952 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 953 u_int32_t dxfer_len, u_int32_t timeout) 954{ 955 csio->ccb_h.func_code = XPT_CONT_TARGET_IO; 956 csio->ccb_h.flags = flags; 957 csio->ccb_h.retry_count = retries; 958 csio->ccb_h.cbfcnp = cbfcnp; 959 csio->ccb_h.timeout = timeout; 960 csio->data_ptr = data_ptr; 961 csio->dxfer_len = dxfer_len; 962 csio->scsi_status = scsi_status; 963 csio->tag_action = tag_action; 964 csio->tag_id = tag_id; 965 csio->init_id = init_id; 966} 967 968void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 969 970__END_DECLS 971 972#endif /* _CAM_CAM_CCB_H */
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