Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/cam/cam_compat.h
Version:
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1 /*- 2 * CAM ioctl compatibility shims 3 * 4 * Copyright (c) 2013 Scott Long 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: releng/11.2/sys/cam/cam_compat.h 307264 2016-10-14 06:56:06Z mav $ 29 */ 30 31 #ifndef _CAM_CAM_COMPAT_H 32 #define _CAM_CAM_COMPAT_H 33 34 /* No user-servicable parts in here. */ 35 #ifdef _KERNEL 36 37 int cam_compat_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 38 struct thread *td, int(*cbfnp)(struct cdev *, u_long, caddr_t, int, 39 struct thread *)); 40 41 42 /* Version 0x16 compatibility */ 43 #define CAM_VERSION_0x16 0x16 44 45 /* The size of the union ccb didn't change when going to 0x17 */ 46 #define CAMIOCOMMAND_0x16 _IOC(IOC_INOUT, CAM_VERSION_0x16, 2, CAM_0X17_LEN) 47 #define CAMGETPASSTHRU_0x16 _IOC(IOC_INOUT, CAM_VERSION_0x16, 3, CAM_0X17_LEN) 48 49 #define CAM_SCATTER_VALID_0x16 0x00000010 50 #define CAM_SG_LIST_PHYS_0x16 0x00040000 51 #define CAM_DATA_PHYS_0x16 0x00200000 52 53 /* Version 0x17 compatibility */ 54 #define CAM_VERSION_0x17 0x17 55 56 struct ccb_hdr_0x17 { 57 cam_pinfo pinfo; /* Info for priority scheduling */ 58 camq_entry xpt_links; /* For chaining in the XPT layer */ 59 camq_entry sim_links; /* For chaining in the SIM layer */ 60 camq_entry periph_links; /* For chaining in the type driver */ 61 u_int32_t retry_count; 62 void (*cbfcnp)(struct cam_periph *, union ccb *); 63 xpt_opcode func_code; /* XPT function code */ 64 u_int32_t status; /* Status returned by CAM subsystem */ 65 struct cam_path *path; /* Compiled path for this ccb */ 66 path_id_t path_id; /* Path ID for the request */ 67 target_id_t target_id; /* Target device ID */ 68 u_int target_lun; /* Target LUN number */ 69 u_int32_t flags; /* ccb_flags */ 70 ccb_ppriv_area periph_priv; 71 ccb_spriv_area sim_priv; 72 u_int32_t timeout; /* Hard timeout value in seconds */ 73 struct callout_handle timeout_ch; 74 }; 75 76 struct ccb_pathinq_0x17 { 77 struct ccb_hdr_0x17 ccb_h; 78 u_int8_t version_num; /* Version number for the SIM/HBA */ 79 u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */ 80 u_int8_t target_sprt; /* Flags for target mode support */ 81 u_int8_t hba_misc; /* Misc HBA features */ 82 u_int16_t hba_eng_cnt; /* HBA engine count */ 83 /* Vendor Unique capabilities */ 84 u_int8_t vuhba_flags[VUHBALEN]; 85 u_int32_t max_target; /* Maximum supported Target */ 86 u_int32_t max_lun; /* Maximum supported Lun */ 87 u_int32_t async_flags; /* Installed Async handlers */ 88 path_id_t hpath_id; /* Highest Path ID in the subsystem */ 89 target_id_t initiator_id; /* ID of the HBA on the SCSI bus */ 90 char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */ 91 char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */ 92 char dev_name[DEV_IDLEN];/* Device name for SIM */ 93 u_int32_t unit_number; /* Unit number for SIM */ 94 u_int32_t bus_id; /* Bus ID for SIM */ 95 u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */ 96 cam_proto protocol; 97 u_int protocol_version; 98 cam_xport transport; 99 u_int transport_version; 100 union { 101 struct ccb_pathinq_settings_spi spi; 102 struct ccb_pathinq_settings_fc fc; 103 struct ccb_pathinq_settings_sas sas; 104 char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE]; 105 } xport_specific; 106 u_int maxio; /* Max supported I/O size, in bytes. */ 107 u_int16_t hba_vendor; /* HBA vendor ID */ 108 u_int16_t hba_device; /* HBA device ID */ 109 u_int16_t hba_subvendor; /* HBA subvendor ID */ 110 u_int16_t hba_subdevice; /* HBA subdevice ID */ 111 }; 112 113 struct ccb_trans_settings_0x17 { 114 struct ccb_hdr_0x17 ccb_h; 115 cts_type type; /* Current or User settings */ 116 cam_proto protocol; 117 u_int protocol_version; 118 cam_xport transport; 119 u_int transport_version; 120 union { 121 u_int valid; /* Which fields to honor */ 122 struct ccb_trans_settings_ata ata; 123 struct ccb_trans_settings_scsi scsi; 124 } proto_specific; 125 union { 126 u_int valid; /* Which fields to honor */ 127 struct ccb_trans_settings_spi spi; 128 struct ccb_trans_settings_fc fc; 129 struct ccb_trans_settings_sas sas; 130 struct ccb_trans_settings_pata ata; 131 struct ccb_trans_settings_sata sata; 132 } xport_specific; 133 }; 134 135 #define CAM_0X17_DATA_LEN CAM_0X18_DATA_LEN 136 #define CAM_0X17_LEN (sizeof(struct ccb_hdr_0x17) + CAM_0X17_DATA_LEN) 137 138 #define CAMIOCOMMAND_0x17 _IOC(IOC_INOUT, CAM_VERSION_0x17, 2, CAM_0X17_LEN) 139 #define CAMGETPASSTHRU_0x17 _IOC(IOC_INOUT, CAM_VERSION_0x17, 3, CAM_0X17_LEN) 140 141 /* Version 0x18 compatibility */ 142 #define CAM_VERSION_0x18 0x18 143 144 struct ccb_hdr_0x18 { 145 cam_pinfo pinfo; /* Info for priority scheduling */ 146 camq_entry xpt_links; /* For chaining in the XPT layer */ 147 camq_entry sim_links; /* For chaining in the SIM layer */ 148 camq_entry periph_links; /* For chaining in the type driver */ 149 u_int32_t retry_count; 150 void (*cbfcnp)(struct cam_periph *, union ccb *); 151 xpt_opcode func_code; /* XPT function code */ 152 u_int32_t status; /* Status returned by CAM subsystem */ 153 struct cam_path *path; /* Compiled path for this ccb */ 154 path_id_t path_id; /* Path ID for the request */ 155 target_id_t target_id; /* Target device ID */ 156 u_int target_lun; /* Target LUN number */ 157 u_int64_t ext_lun; /* 64-bit LUN, more or less */ 158 u_int32_t flags; /* ccb_flags */ 159 u_int32_t xflags; /* extended ccb_flags */ 160 ccb_ppriv_area periph_priv; 161 ccb_spriv_area sim_priv; 162 ccb_qos_area qos; 163 u_int32_t timeout; /* Hard timeout value in seconds */ 164 struct timeval softtimeout; /* Soft timeout value in sec + usec */ 165 }; 166 167 typedef enum { 168 CAM_EXTLUN_VALID_0x18 = 0x00000001,/* 64bit lun field is valid */ 169 } ccb_xflags_0x18; 170 171 struct ccb_trans_settings_0x18 { 172 struct ccb_hdr_0x18 ccb_h; 173 cts_type type; /* Current or User settings */ 174 cam_proto protocol; 175 u_int protocol_version; 176 cam_xport transport; 177 u_int transport_version; 178 union { 179 u_int valid; /* Which fields to honor */ 180 struct ccb_trans_settings_ata ata; 181 struct ccb_trans_settings_scsi scsi; 182 } proto_specific; 183 union { 184 u_int valid; /* Which fields to honor */ 185 struct ccb_trans_settings_spi spi; 186 struct ccb_trans_settings_fc fc; 187 struct ccb_trans_settings_sas sas; 188 struct ccb_trans_settings_pata ata; 189 struct ccb_trans_settings_sata sata; 190 } xport_specific; 191 }; 192 193 struct dev_match_result_0x18 { 194 dev_match_type type; 195 union { 196 struct { 197 char periph_name[DEV_IDLEN]; 198 u_int32_t unit_number; 199 path_id_t path_id; 200 target_id_t target_id; 201 u_int target_lun; 202 } periph_result; 203 struct { 204 path_id_t path_id; 205 target_id_t target_id; 206 u_int target_lun; 207 cam_proto protocol; 208 struct scsi_inquiry_data inq_data; 209 struct ata_params ident_data; 210 dev_result_flags flags; 211 } device_result; 212 struct bus_match_result bus_result; 213 } result; 214 }; 215 216 #define CAM_0X18_DATA_LEN (sizeof(union ccb) - 2*sizeof(void *) - sizeof(struct ccb_hdr)) 217 #define CAM_0X18_LEN (sizeof(struct ccb_hdr_0x18) + CAM_0X18_DATA_LEN) 218 219 #define CAMIOCOMMAND_0x18 _IOC(IOC_INOUT, CAM_VERSION_0x18, 2, CAM_0X18_LEN) 220 #define CAMGETPASSTHRU_0x18 _IOC(IOC_INOUT, CAM_VERSION_0x18, 3, CAM_0X18_LEN) 221 222 #endif 223 #endif
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