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 * $FreeBSD$ 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 #include <cam/ata/ata_all.h> 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 */ 58 typedef 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_DATA_ISPHYS = 0x00000010,/* Data type with physical addrs */ 67 CAM_DIS_AUTOSENSE = 0x00000020,/* Disable autosense feature */ 68 CAM_DIR_BOTH = 0x00000000,/* Data direction (00:IN/OUT) */ 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_DATA_VADDR = 0x00000000,/* Data type (000:Virtual) */ 74 CAM_DATA_PADDR = 0x00000010,/* Data type (001:Physical) */ 75 CAM_DATA_SG = 0x00040000,/* Data type (010:sglist) */ 76 CAM_DATA_SG_PADDR = 0x00040010,/* Data type (011:sglist phys) */ 77 CAM_DATA_BIO = 0x00200000,/* Data type (100:bio) */ 78 CAM_DATA_MASK = 0x00240010,/* Data type mask */ 79 CAM_SOFT_RST_OP = 0x00000100,/* Use Soft reset alternative */ 80 CAM_ENG_SYNC = 0x00000200,/* Flush resid bytes on complete */ 81 CAM_DEV_QFRZDIS = 0x00000400,/* Disable DEV Q freezing */ 82 CAM_DEV_QFREEZE = 0x00000800,/* Freeze DEV Q on execution */ 83 CAM_HIGH_POWER = 0x00001000,/* Command takes a lot of power */ 84 CAM_SENSE_PTR = 0x00002000,/* Sense data is a pointer */ 85 CAM_SENSE_PHYS = 0x00004000,/* Sense pointer is physical addr*/ 86 CAM_TAG_ACTION_VALID = 0x00008000,/* Use the tag action in this ccb*/ 87 CAM_PASS_ERR_RECOVER = 0x00010000,/* Pass driver does err. recovery*/ 88 CAM_DIS_DISCONNECT = 0x00020000,/* Disable disconnect */ 89 CAM_MSG_BUF_PHYS = 0x00080000,/* Message buffer ptr is physical*/ 90 CAM_SNS_BUF_PHYS = 0x00100000,/* Autosense data ptr is physical*/ 91 CAM_CDB_PHYS = 0x00400000,/* CDB poiner is physical */ 92 CAM_ENG_SGLIST = 0x00800000,/* SG list is for the HBA engine */ 93 94 /* Phase cognizant mode flags */ 95 CAM_DIS_AUTOSRP = 0x01000000,/* Disable autosave/restore ptrs */ 96 CAM_DIS_AUTODISC = 0x02000000,/* Disable auto disconnect */ 97 CAM_TGT_CCB_AVAIL = 0x04000000,/* Target CCB available */ 98 CAM_TGT_PHASE_MODE = 0x08000000,/* The SIM runs in phase mode */ 99 CAM_MSGB_VALID = 0x10000000,/* Message buffer valid */ 100 CAM_STATUS_VALID = 0x20000000,/* Status buffer valid */ 101 CAM_DATAB_VALID = 0x40000000,/* Data buffer valid */ 102 103 /* Host target Mode flags */ 104 CAM_SEND_SENSE = 0x08000000,/* Send sense data with status */ 105 CAM_TERM_IO = 0x10000000,/* Terminate I/O Message sup. */ 106 CAM_DISCONNECT = 0x20000000,/* Disconnects are mandatory */ 107 CAM_SEND_STATUS = 0x40000000,/* Send status after data phase */ 108 109 CAM_UNLOCKED = 0x80000000 /* Call callback without lock. */ 110 } ccb_flags; 111 112 typedef enum { 113 CAM_USER_DATA_ADDR = 0x00000002,/* Userspace data pointers */ 114 CAM_SG_FORMAT_IOVEC = 0x00000004,/* iovec instead of busdma S/G*/ 115 CAM_UNMAPPED_BUF = 0x00000008 /* use unmapped I/O */ 116 } ccb_xflags; 117 118 /* XPT Opcodes for xpt_action */ 119 typedef enum { 120 /* Function code flags are bits greater than 0xff */ 121 XPT_FC_QUEUED = 0x100, 122 /* Non-immediate function code */ 123 XPT_FC_USER_CCB = 0x200, 124 XPT_FC_XPT_ONLY = 0x400, 125 /* Only for the transport layer device */ 126 XPT_FC_DEV_QUEUED = 0x800 | XPT_FC_QUEUED, 127 /* Passes through the device queues */ 128 /* Common function commands: 0x00->0x0F */ 129 XPT_NOOP = 0x00, 130 /* Execute Nothing */ 131 XPT_SCSI_IO = 0x01 | XPT_FC_DEV_QUEUED, 132 /* Execute the requested I/O operation */ 133 XPT_GDEV_TYPE = 0x02, 134 /* Get type information for specified device */ 135 XPT_GDEVLIST = 0x03, 136 /* Get a list of peripheral devices */ 137 XPT_PATH_INQ = 0x04, 138 /* Path routing inquiry */ 139 XPT_REL_SIMQ = 0x05, 140 /* Release a frozen device queue */ 141 XPT_SASYNC_CB = 0x06, 142 /* Set Asynchronous Callback Parameters */ 143 XPT_SDEV_TYPE = 0x07, 144 /* Set device type information */ 145 XPT_SCAN_BUS = 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB 146 | XPT_FC_XPT_ONLY, 147 /* (Re)Scan the SCSI Bus */ 148 XPT_DEV_MATCH = 0x09 | XPT_FC_XPT_ONLY, 149 /* Get EDT entries matching the given pattern */ 150 XPT_DEBUG = 0x0a, 151 /* Turn on debugging for a bus, target or lun */ 152 XPT_PATH_STATS = 0x0b, 153 /* Path statistics (error counts, etc.) */ 154 XPT_GDEV_STATS = 0x0c, 155 /* Device statistics (error counts, etc.) */ 156 XPT_DEV_ADVINFO = 0x0e, 157 /* Get/Set Device advanced information */ 158 XPT_ASYNC = 0x0f | XPT_FC_QUEUED | XPT_FC_USER_CCB 159 | XPT_FC_XPT_ONLY, 160 /* Asynchronous event */ 161 /* SCSI Control Functions: 0x10->0x1F */ 162 XPT_ABORT = 0x10, 163 /* Abort the specified CCB */ 164 XPT_RESET_BUS = 0x11 | XPT_FC_XPT_ONLY, 165 /* Reset the specified SCSI bus */ 166 XPT_RESET_DEV = 0x12 | XPT_FC_DEV_QUEUED, 167 /* Bus Device Reset the specified SCSI device */ 168 XPT_TERM_IO = 0x13, 169 /* Terminate the I/O process */ 170 XPT_SCAN_LUN = 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB 171 | XPT_FC_XPT_ONLY, 172 /* Scan Logical Unit */ 173 XPT_GET_TRAN_SETTINGS = 0x15, 174 /* 175 * Get default/user transfer settings 176 * for the target 177 */ 178 XPT_SET_TRAN_SETTINGS = 0x16, 179 /* 180 * Set transfer rate/width 181 * negotiation settings 182 */ 183 XPT_CALC_GEOMETRY = 0x17, 184 /* 185 * Calculate the geometry parameters for 186 * a device give the sector size and 187 * volume size. 188 */ 189 XPT_ATA_IO = 0x18 | XPT_FC_DEV_QUEUED, 190 /* Execute the requested ATA I/O operation */ 191 192 XPT_GET_SIM_KNOB_OLD = 0x18, /* Compat only */ 193 194 XPT_SET_SIM_KNOB = 0x19, 195 /* 196 * Set SIM specific knob values. 197 */ 198 199 XPT_GET_SIM_KNOB = 0x1a, 200 /* 201 * Get SIM specific knob values. 202 */ 203 204 XPT_SMP_IO = 0x1b | XPT_FC_DEV_QUEUED, 205 /* Serial Management Protocol */ 206 207 XPT_SCAN_TGT = 0x1E | XPT_FC_QUEUED | XPT_FC_USER_CCB 208 | XPT_FC_XPT_ONLY, 209 /* Scan Target */ 210 211 /* HBA engine commands 0x20->0x2F */ 212 XPT_ENG_INQ = 0x20 | XPT_FC_XPT_ONLY, 213 /* HBA engine feature inquiry */ 214 XPT_ENG_EXEC = 0x21 | XPT_FC_DEV_QUEUED, 215 /* HBA execute engine request */ 216 217 /* Target mode commands: 0x30->0x3F */ 218 XPT_EN_LUN = 0x30, 219 /* Enable LUN as a target */ 220 XPT_TARGET_IO = 0x31 | XPT_FC_DEV_QUEUED, 221 /* Execute target I/O request */ 222 XPT_ACCEPT_TARGET_IO = 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 223 /* Accept Host Target Mode CDB */ 224 XPT_CONT_TARGET_IO = 0x33 | XPT_FC_DEV_QUEUED, 225 /* Continue Host Target I/O Connection */ 226 XPT_IMMED_NOTIFY = 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 227 /* Notify Host Target driver of event (obsolete) */ 228 XPT_NOTIFY_ACK = 0x35, 229 /* Acknowledgement of event (obsolete) */ 230 XPT_IMMEDIATE_NOTIFY = 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 231 /* Notify Host Target driver of event */ 232 XPT_NOTIFY_ACKNOWLEDGE = 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB, 233 /* Acknowledgement of event */ 234 235 /* Vendor Unique codes: 0x80->0x8F */ 236 XPT_VUNIQUE = 0x80 237 } xpt_opcode; 238 239 #define XPT_FC_GROUP_MASK 0xF0 240 #define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK) 241 #define XPT_FC_GROUP_COMMON 0x00 242 #define XPT_FC_GROUP_SCSI_CONTROL 0x10 243 #define XPT_FC_GROUP_HBA_ENGINE 0x20 244 #define XPT_FC_GROUP_TMODE 0x30 245 #define XPT_FC_GROUP_VENDOR_UNIQUE 0x80 246 247 #define XPT_FC_IS_DEV_QUEUED(ccb) \ 248 (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED) 249 #define XPT_FC_IS_QUEUED(ccb) \ 250 (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0) 251 252 typedef enum { 253 PROTO_UNKNOWN, 254 PROTO_UNSPECIFIED, 255 PROTO_SCSI, /* Small Computer System Interface */ 256 PROTO_ATA, /* AT Attachment */ 257 PROTO_ATAPI, /* AT Attachment Packetized Interface */ 258 PROTO_SATAPM, /* SATA Port Multiplier */ 259 PROTO_SEMB, /* SATA Enclosure Management Bridge */ 260 } cam_proto; 261 262 typedef enum { 263 XPORT_UNKNOWN, 264 XPORT_UNSPECIFIED, 265 XPORT_SPI, /* SCSI Parallel Interface */ 266 XPORT_FC, /* Fiber Channel */ 267 XPORT_SSA, /* Serial Storage Architecture */ 268 XPORT_USB, /* Universal Serial Bus */ 269 XPORT_PPB, /* Parallel Port Bus */ 270 XPORT_ATA, /* AT Attachment */ 271 XPORT_SAS, /* Serial Attached SCSI */ 272 XPORT_SATA, /* Serial AT Attachment */ 273 XPORT_ISCSI, /* iSCSI */ 274 XPORT_SRP, /* SCSI RDMA Protocol */ 275 } cam_xport; 276 277 #define XPORT_IS_ATA(t) ((t) == XPORT_ATA || (t) == XPORT_SATA) 278 #define XPORT_IS_SCSI(t) ((t) != XPORT_UNKNOWN && \ 279 (t) != XPORT_UNSPECIFIED && \ 280 !XPORT_IS_ATA(t)) 281 #define XPORT_DEVSTAT_TYPE(t) (XPORT_IS_ATA(t) ? DEVSTAT_TYPE_IF_IDE : \ 282 XPORT_IS_SCSI(t) ? DEVSTAT_TYPE_IF_SCSI : \ 283 DEVSTAT_TYPE_IF_OTHER) 284 285 #define PROTO_VERSION_UNKNOWN (UINT_MAX - 1) 286 #define PROTO_VERSION_UNSPECIFIED UINT_MAX 287 #define XPORT_VERSION_UNKNOWN (UINT_MAX - 1) 288 #define XPORT_VERSION_UNSPECIFIED UINT_MAX 289 290 typedef union { 291 LIST_ENTRY(ccb_hdr) le; 292 SLIST_ENTRY(ccb_hdr) sle; 293 TAILQ_ENTRY(ccb_hdr) tqe; 294 STAILQ_ENTRY(ccb_hdr) stqe; 295 } camq_entry; 296 297 typedef union { 298 void *ptr; 299 u_long field; 300 u_int8_t bytes[sizeof(uintptr_t)]; 301 } ccb_priv_entry; 302 303 typedef union { 304 ccb_priv_entry entries[CCB_PERIPH_PRIV_SIZE]; 305 u_int8_t bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)]; 306 } ccb_ppriv_area; 307 308 typedef union { 309 ccb_priv_entry entries[CCB_SIM_PRIV_SIZE]; 310 u_int8_t bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)]; 311 } ccb_spriv_area; 312 313 typedef struct { 314 struct timeval *etime; 315 uintptr_t sim_data; 316 uintptr_t periph_data; 317 } ccb_qos_area; 318 319 struct ccb_hdr { 320 cam_pinfo pinfo; /* Info for priority scheduling */ 321 camq_entry xpt_links; /* For chaining in the XPT layer */ 322 camq_entry sim_links; /* For chaining in the SIM layer */ 323 camq_entry periph_links; /* For chaining in the type driver */ 324 u_int32_t retry_count; 325 void (*cbfcnp)(struct cam_periph *, union ccb *); 326 /* Callback on completion function */ 327 xpt_opcode func_code; /* XPT function code */ 328 u_int32_t status; /* Status returned by CAM subsystem */ 329 struct cam_path *path; /* Compiled path for this ccb */ 330 path_id_t path_id; /* Path ID for the request */ 331 target_id_t target_id; /* Target device ID */ 332 lun_id_t target_lun; /* Target LUN number */ 333 u_int32_t flags; /* ccb_flags */ 334 u_int32_t xflags; /* Extended flags */ 335 ccb_ppriv_area periph_priv; 336 ccb_spriv_area sim_priv; 337 ccb_qos_area qos; 338 u_int32_t timeout; /* Hard timeout value in mseconds */ 339 struct timeval softtimeout; /* Soft timeout value in sec + usec */ 340 }; 341 342 /* Get Device Information CCB */ 343 struct ccb_getdev { 344 struct ccb_hdr ccb_h; 345 cam_proto protocol; 346 struct scsi_inquiry_data inq_data; 347 struct ata_params ident_data; 348 u_int8_t serial_num[252]; 349 u_int8_t inq_flags; 350 u_int8_t serial_num_len; 351 }; 352 353 /* Device Statistics CCB */ 354 struct ccb_getdevstats { 355 struct ccb_hdr ccb_h; 356 int dev_openings; /* Space left for more work on device*/ 357 int dev_active; /* Transactions running on the device */ 358 int allocated; /* CCBs allocated for the device */ 359 int queued; /* CCBs queued to be sent to the device */ 360 int held; /* 361 * CCBs held by peripheral drivers 362 * for this device 363 */ 364 int maxtags; /* 365 * Boundary conditions for number of 366 * tagged operations 367 */ 368 int mintags; 369 struct timeval last_reset; /* Time of last bus reset/loop init */ 370 }; 371 372 typedef enum { 373 CAM_GDEVLIST_LAST_DEVICE, 374 CAM_GDEVLIST_LIST_CHANGED, 375 CAM_GDEVLIST_MORE_DEVS, 376 CAM_GDEVLIST_ERROR 377 } ccb_getdevlist_status_e; 378 379 struct ccb_getdevlist { 380 struct ccb_hdr ccb_h; 381 char periph_name[DEV_IDLEN]; 382 u_int32_t unit_number; 383 unsigned int generation; 384 u_int32_t index; 385 ccb_getdevlist_status_e status; 386 }; 387 388 typedef enum { 389 PERIPH_MATCH_NONE = 0x000, 390 PERIPH_MATCH_PATH = 0x001, 391 PERIPH_MATCH_TARGET = 0x002, 392 PERIPH_MATCH_LUN = 0x004, 393 PERIPH_MATCH_NAME = 0x008, 394 PERIPH_MATCH_UNIT = 0x010, 395 PERIPH_MATCH_ANY = 0x01f 396 } periph_pattern_flags; 397 398 struct periph_match_pattern { 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 periph_pattern_flags flags; 405 }; 406 407 typedef enum { 408 DEV_MATCH_NONE = 0x000, 409 DEV_MATCH_PATH = 0x001, 410 DEV_MATCH_TARGET = 0x002, 411 DEV_MATCH_LUN = 0x004, 412 DEV_MATCH_INQUIRY = 0x008, 413 DEV_MATCH_DEVID = 0x010, 414 DEV_MATCH_ANY = 0x00f 415 } dev_pattern_flags; 416 417 struct device_id_match_pattern { 418 uint8_t id_len; 419 uint8_t id[256]; 420 }; 421 422 struct device_match_pattern { 423 path_id_t path_id; 424 target_id_t target_id; 425 lun_id_t target_lun; 426 dev_pattern_flags flags; 427 union { 428 struct scsi_static_inquiry_pattern inq_pat; 429 struct device_id_match_pattern devid_pat; 430 } data; 431 }; 432 433 typedef enum { 434 BUS_MATCH_NONE = 0x000, 435 BUS_MATCH_PATH = 0x001, 436 BUS_MATCH_NAME = 0x002, 437 BUS_MATCH_UNIT = 0x004, 438 BUS_MATCH_BUS_ID = 0x008, 439 BUS_MATCH_ANY = 0x00f 440 } bus_pattern_flags; 441 442 struct bus_match_pattern { 443 path_id_t path_id; 444 char dev_name[DEV_IDLEN]; 445 u_int32_t unit_number; 446 u_int32_t bus_id; 447 bus_pattern_flags flags; 448 }; 449 450 union match_pattern { 451 struct periph_match_pattern periph_pattern; 452 struct device_match_pattern device_pattern; 453 struct bus_match_pattern bus_pattern; 454 }; 455 456 typedef enum { 457 DEV_MATCH_PERIPH, 458 DEV_MATCH_DEVICE, 459 DEV_MATCH_BUS 460 } dev_match_type; 461 462 struct dev_match_pattern { 463 dev_match_type type; 464 union match_pattern pattern; 465 }; 466 467 struct periph_match_result { 468 char periph_name[DEV_IDLEN]; 469 u_int32_t unit_number; 470 path_id_t path_id; 471 target_id_t target_id; 472 lun_id_t target_lun; 473 }; 474 475 typedef enum { 476 DEV_RESULT_NOFLAG = 0x00, 477 DEV_RESULT_UNCONFIGURED = 0x01 478 } dev_result_flags; 479 480 struct device_match_result { 481 path_id_t path_id; 482 target_id_t target_id; 483 lun_id_t target_lun; 484 cam_proto protocol; 485 struct scsi_inquiry_data inq_data; 486 struct ata_params ident_data; 487 dev_result_flags flags; 488 }; 489 490 struct bus_match_result { 491 path_id_t path_id; 492 char dev_name[DEV_IDLEN]; 493 u_int32_t unit_number; 494 u_int32_t bus_id; 495 }; 496 497 union match_result { 498 struct periph_match_result periph_result; 499 struct device_match_result device_result; 500 struct bus_match_result bus_result; 501 }; 502 503 struct dev_match_result { 504 dev_match_type type; 505 union match_result result; 506 }; 507 508 typedef enum { 509 CAM_DEV_MATCH_LAST, 510 CAM_DEV_MATCH_MORE, 511 CAM_DEV_MATCH_LIST_CHANGED, 512 CAM_DEV_MATCH_SIZE_ERROR, 513 CAM_DEV_MATCH_ERROR 514 } ccb_dev_match_status; 515 516 typedef enum { 517 CAM_DEV_POS_NONE = 0x000, 518 CAM_DEV_POS_BUS = 0x001, 519 CAM_DEV_POS_TARGET = 0x002, 520 CAM_DEV_POS_DEVICE = 0x004, 521 CAM_DEV_POS_PERIPH = 0x008, 522 CAM_DEV_POS_PDPTR = 0x010, 523 CAM_DEV_POS_TYPEMASK = 0xf00, 524 CAM_DEV_POS_EDT = 0x100, 525 CAM_DEV_POS_PDRV = 0x200 526 } dev_pos_type; 527 528 struct ccb_dm_cookie { 529 void *bus; 530 void *target; 531 void *device; 532 void *periph; 533 void *pdrv; 534 }; 535 536 struct ccb_dev_position { 537 u_int generations[4]; 538 #define CAM_BUS_GENERATION 0x00 539 #define CAM_TARGET_GENERATION 0x01 540 #define CAM_DEV_GENERATION 0x02 541 #define CAM_PERIPH_GENERATION 0x03 542 dev_pos_type position_type; 543 struct ccb_dm_cookie cookie; 544 }; 545 546 struct ccb_dev_match { 547 struct ccb_hdr ccb_h; 548 ccb_dev_match_status status; 549 u_int32_t num_patterns; 550 u_int32_t pattern_buf_len; 551 struct dev_match_pattern *patterns; 552 u_int32_t num_matches; 553 u_int32_t match_buf_len; 554 struct dev_match_result *matches; 555 struct ccb_dev_position pos; 556 }; 557 558 /* 559 * Definitions for the path inquiry CCB fields. 560 */ 561 #define CAM_VERSION 0x19 /* Hex value for current version */ 562 563 typedef enum { 564 PI_MDP_ABLE = 0x80, /* Supports MDP message */ 565 PI_WIDE_32 = 0x40, /* Supports 32 bit wide SCSI */ 566 PI_WIDE_16 = 0x20, /* Supports 16 bit wide SCSI */ 567 PI_SDTR_ABLE = 0x10, /* Supports SDTR message */ 568 PI_LINKED_CDB = 0x08, /* Supports linked CDBs */ 569 PI_SATAPM = 0x04, /* Supports SATA PM */ 570 PI_TAG_ABLE = 0x02, /* Supports tag queue messages */ 571 PI_SOFT_RST = 0x01 /* Supports soft reset alternative */ 572 } pi_inqflag; 573 574 typedef enum { 575 PIT_PROCESSOR = 0x80, /* Target mode processor mode */ 576 PIT_PHASE = 0x40, /* Target mode phase cog. mode */ 577 PIT_DISCONNECT = 0x20, /* Disconnects supported in target mode */ 578 PIT_TERM_IO = 0x10, /* Terminate I/O message supported in TM */ 579 PIT_GRP_6 = 0x08, /* Group 6 commands supported */ 580 PIT_GRP_7 = 0x04 /* Group 7 commands supported */ 581 } pi_tmflag; 582 583 typedef enum { 584 PIM_EXTLUNS = 0x100,/* 64bit extended LUNs supported */ 585 PIM_SCANHILO = 0x80, /* Bus scans from high ID to low ID */ 586 PIM_NOREMOVE = 0x40, /* Removeable devices not included in scan */ 587 PIM_NOINITIATOR = 0x20, /* Initiator role not supported. */ 588 PIM_NOBUSRESET = 0x10, /* User has disabled initial BUS RESET */ 589 PIM_NO_6_BYTE = 0x08, /* Do not send 6-byte commands */ 590 PIM_SEQSCAN = 0x04, /* Do bus scans sequentially, not in parallel */ 591 PIM_UNMAPPED = 0x02, 592 PIM_NOSCAN = 0x01 /* SIM does its own scanning */ 593 } pi_miscflag; 594 595 /* Path Inquiry CCB */ 596 struct ccb_pathinq_settings_spi { 597 u_int8_t ppr_options; 598 }; 599 600 struct ccb_pathinq_settings_fc { 601 u_int64_t wwnn; /* world wide node name */ 602 u_int64_t wwpn; /* world wide port name */ 603 u_int32_t port; /* 24 bit port id, if known */ 604 u_int32_t bitrate; /* Mbps */ 605 }; 606 607 struct ccb_pathinq_settings_sas { 608 u_int32_t bitrate; /* Mbps */ 609 }; 610 #define PATHINQ_SETTINGS_SIZE 128 611 612 struct ccb_pathinq { 613 struct ccb_hdr ccb_h; 614 u_int8_t version_num; /* Version number for the SIM/HBA */ 615 u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */ 616 u_int16_t target_sprt; /* Flags for target mode support */ 617 u_int32_t hba_misc; /* Misc HBA features */ 618 u_int16_t hba_eng_cnt; /* HBA engine count */ 619 /* Vendor Unique capabilities */ 620 u_int8_t vuhba_flags[VUHBALEN]; 621 u_int32_t max_target; /* Maximum supported Target */ 622 u_int32_t max_lun; /* Maximum supported Lun */ 623 u_int32_t async_flags; /* Installed Async handlers */ 624 path_id_t hpath_id; /* Highest Path ID in the subsystem */ 625 target_id_t initiator_id; /* ID of the HBA on the SCSI bus */ 626 char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */ 627 char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */ 628 char dev_name[DEV_IDLEN];/* Device name for SIM */ 629 u_int32_t unit_number; /* Unit number for SIM */ 630 u_int32_t bus_id; /* Bus ID for SIM */ 631 u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */ 632 cam_proto protocol; 633 u_int protocol_version; 634 cam_xport transport; 635 u_int transport_version; 636 union { 637 struct ccb_pathinq_settings_spi spi; 638 struct ccb_pathinq_settings_fc fc; 639 struct ccb_pathinq_settings_sas sas; 640 char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE]; 641 } xport_specific; 642 u_int maxio; /* Max supported I/O size, in bytes. */ 643 u_int16_t hba_vendor; /* HBA vendor ID */ 644 u_int16_t hba_device; /* HBA device ID */ 645 u_int16_t hba_subvendor; /* HBA subvendor ID */ 646 u_int16_t hba_subdevice; /* HBA subdevice ID */ 647 }; 648 649 /* Path Statistics CCB */ 650 struct ccb_pathstats { 651 struct ccb_hdr ccb_h; 652 struct timeval last_reset; /* Time of last bus reset/loop init */ 653 }; 654 655 typedef enum { 656 SMP_FLAG_NONE = 0x00, 657 SMP_FLAG_REQ_SG = 0x01, 658 SMP_FLAG_RSP_SG = 0x02 659 } ccb_smp_pass_flags; 660 661 /* 662 * Serial Management Protocol CCB 663 * XXX Currently the semantics for this CCB are that it is executed either 664 * by the addressed device, or that device's parent (i.e. an expander for 665 * any device on an expander) if the addressed device doesn't support SMP. 666 * Later, once we have the ability to probe SMP-only devices and put them 667 * in CAM's topology, the CCB will only be executed by the addressed device 668 * if possible. 669 */ 670 struct ccb_smpio { 671 struct ccb_hdr ccb_h; 672 uint8_t *smp_request; 673 int smp_request_len; 674 uint16_t smp_request_sglist_cnt; 675 uint8_t *smp_response; 676 int smp_response_len; 677 uint16_t smp_response_sglist_cnt; 678 ccb_smp_pass_flags flags; 679 }; 680 681 typedef union { 682 u_int8_t *sense_ptr; /* 683 * Pointer to storage 684 * for sense information 685 */ 686 /* Storage Area for sense information */ 687 struct scsi_sense_data sense_buf; 688 } sense_t; 689 690 typedef union { 691 u_int8_t *cdb_ptr; /* Pointer to the CDB bytes to send */ 692 /* Area for the CDB send */ 693 u_int8_t cdb_bytes[IOCDBLEN]; 694 } cdb_t; 695 696 /* 697 * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO 698 * function codes. 699 */ 700 struct ccb_scsiio { 701 struct ccb_hdr ccb_h; 702 union ccb *next_ccb; /* Ptr for next CCB for action */ 703 u_int8_t *req_map; /* Ptr to mapping info */ 704 u_int8_t *data_ptr; /* Ptr to the data buf/SG list */ 705 u_int32_t dxfer_len; /* Data transfer length */ 706 /* Autosense storage */ 707 struct scsi_sense_data sense_data; 708 u_int8_t sense_len; /* Number of bytes to autosense */ 709 u_int8_t cdb_len; /* Number of bytes for the CDB */ 710 u_int16_t sglist_cnt; /* Number of SG list entries */ 711 u_int8_t scsi_status; /* Returned SCSI status */ 712 u_int8_t sense_resid; /* Autosense resid length: 2's comp */ 713 u_int32_t resid; /* Transfer residual length: 2's comp */ 714 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 715 u_int8_t *msg_ptr; /* Pointer to the message buffer */ 716 u_int16_t msg_len; /* Number of bytes for the Message */ 717 u_int8_t tag_action; /* What to do for tag queueing */ 718 /* 719 * The tag action should be either the define below (to send a 720 * non-tagged transaction) or one of the defined scsi tag messages 721 * from scsi_message.h. 722 */ 723 #define CAM_TAG_ACTION_NONE 0x00 724 u_int tag_id; /* tag id from initator (target mode) */ 725 u_int init_id; /* initiator id of who selected */ 726 }; 727 728 static __inline uint8_t * 729 scsiio_cdb_ptr(struct ccb_scsiio *ccb) 730 { 731 return ((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 732 ccb->cdb_io.cdb_ptr : ccb->cdb_io.cdb_bytes); 733 } 734 735 /* 736 * ATA I/O Request CCB used for the XPT_ATA_IO function code. 737 */ 738 struct ccb_ataio { 739 struct ccb_hdr ccb_h; 740 union ccb *next_ccb; /* Ptr for next CCB for action */ 741 struct ata_cmd cmd; /* ATA command register set */ 742 struct ata_res res; /* ATA result register set */ 743 u_int8_t *data_ptr; /* Ptr to the data buf/SG list */ 744 u_int32_t dxfer_len; /* Data transfer length */ 745 u_int32_t resid; /* Transfer residual length: 2's comp */ 746 u_int8_t tag_action; /* What to do for tag queueing */ 747 /* 748 * The tag action should be either the define below (to send a 749 * non-tagged transaction) or one of the defined scsi tag messages 750 * from scsi_message.h. 751 */ 752 #define CAM_TAG_ACTION_NONE 0x00 753 u_int tag_id; /* tag id from initator (target mode) */ 754 u_int init_id; /* initiator id of who selected */ 755 }; 756 757 struct ccb_accept_tio { 758 struct ccb_hdr ccb_h; 759 cdb_t cdb_io; /* Union for CDB bytes/pointer */ 760 u_int8_t cdb_len; /* Number of bytes for the CDB */ 761 u_int8_t tag_action; /* What to do for tag queueing */ 762 u_int8_t sense_len; /* Number of bytes of Sense Data */ 763 u_int tag_id; /* tag id from initator (target mode) */ 764 u_int init_id; /* initiator id of who selected */ 765 struct scsi_sense_data sense_data; 766 }; 767 768 /* Release SIM Queue */ 769 struct ccb_relsim { 770 struct ccb_hdr ccb_h; 771 u_int32_t release_flags; 772 #define RELSIM_ADJUST_OPENINGS 0x01 773 #define RELSIM_RELEASE_AFTER_TIMEOUT 0x02 774 #define RELSIM_RELEASE_AFTER_CMDCMPLT 0x04 775 #define RELSIM_RELEASE_AFTER_QEMPTY 0x08 776 u_int32_t openings; 777 u_int32_t release_timeout; /* Abstract argument. */ 778 u_int32_t qfrozen_cnt; 779 }; 780 781 /* 782 * Definitions for the asynchronous callback CCB fields. 783 */ 784 typedef enum { 785 AC_UNIT_ATTENTION = 0x4000,/* Device reported UNIT ATTENTION */ 786 AC_ADVINFO_CHANGED = 0x2000,/* Advance info might have changes */ 787 AC_CONTRACT = 0x1000,/* A contractual callback */ 788 AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */ 789 AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */ 790 AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */ 791 AC_LOST_DEVICE = 0x100,/* A device went away */ 792 AC_FOUND_DEVICE = 0x080,/* A new device was found */ 793 AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */ 794 AC_PATH_REGISTERED = 0x020,/* A new path has been registered */ 795 AC_SENT_BDR = 0x010,/* A BDR message was sent to target */ 796 AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */ 797 AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */ 798 AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */ 799 } ac_code; 800 801 typedef void ac_callback_t (void *softc, u_int32_t code, 802 struct cam_path *path, void *args); 803 804 /* 805 * Generic Asynchronous callbacks. 806 * 807 * Generic arguments passed bac which are then interpreted between a per-system 808 * contract number. 809 */ 810 #define AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t)) 811 struct ac_contract { 812 u_int64_t contract_number; 813 u_int8_t contract_data[AC_CONTRACT_DATA_MAX]; 814 }; 815 816 #define AC_CONTRACT_DEV_CHG 1 817 struct ac_device_changed { 818 u_int64_t wwpn; 819 u_int32_t port; 820 target_id_t target; 821 u_int8_t arrived; 822 }; 823 824 /* Set Asynchronous Callback CCB */ 825 struct ccb_setasync { 826 struct ccb_hdr ccb_h; 827 u_int32_t event_enable; /* Async Event enables */ 828 ac_callback_t *callback; 829 void *callback_arg; 830 }; 831 832 /* Set Device Type CCB */ 833 struct ccb_setdev { 834 struct ccb_hdr ccb_h; 835 u_int8_t dev_type; /* Value for dev type field in EDT */ 836 }; 837 838 /* SCSI Control Functions */ 839 840 /* Abort XPT request CCB */ 841 struct ccb_abort { 842 struct ccb_hdr ccb_h; 843 union ccb *abort_ccb; /* Pointer to CCB to abort */ 844 }; 845 846 /* Reset SCSI Bus CCB */ 847 struct ccb_resetbus { 848 struct ccb_hdr ccb_h; 849 }; 850 851 /* Reset SCSI Device CCB */ 852 struct ccb_resetdev { 853 struct ccb_hdr ccb_h; 854 }; 855 856 /* Terminate I/O Process Request CCB */ 857 struct ccb_termio { 858 struct ccb_hdr ccb_h; 859 union ccb *termio_ccb; /* Pointer to CCB to terminate */ 860 }; 861 862 typedef enum { 863 CTS_TYPE_CURRENT_SETTINGS, 864 CTS_TYPE_USER_SETTINGS 865 } cts_type; 866 867 struct ccb_trans_settings_scsi 868 { 869 u_int valid; /* Which fields to honor */ 870 #define CTS_SCSI_VALID_TQ 0x01 871 u_int flags; 872 #define CTS_SCSI_FLAGS_TAG_ENB 0x01 873 }; 874 875 struct ccb_trans_settings_ata 876 { 877 u_int valid; /* Which fields to honor */ 878 #define CTS_ATA_VALID_TQ 0x01 879 u_int flags; 880 #define CTS_ATA_FLAGS_TAG_ENB 0x01 881 }; 882 883 struct ccb_trans_settings_spi 884 { 885 u_int valid; /* Which fields to honor */ 886 #define CTS_SPI_VALID_SYNC_RATE 0x01 887 #define CTS_SPI_VALID_SYNC_OFFSET 0x02 888 #define CTS_SPI_VALID_BUS_WIDTH 0x04 889 #define CTS_SPI_VALID_DISC 0x08 890 #define CTS_SPI_VALID_PPR_OPTIONS 0x10 891 u_int flags; 892 #define CTS_SPI_FLAGS_DISC_ENB 0x01 893 u_int sync_period; 894 u_int sync_offset; 895 u_int bus_width; 896 u_int ppr_options; 897 }; 898 899 struct ccb_trans_settings_fc { 900 u_int valid; /* Which fields to honor */ 901 #define CTS_FC_VALID_WWNN 0x8000 902 #define CTS_FC_VALID_WWPN 0x4000 903 #define CTS_FC_VALID_PORT 0x2000 904 #define CTS_FC_VALID_SPEED 0x1000 905 u_int64_t wwnn; /* world wide node name */ 906 u_int64_t wwpn; /* world wide port name */ 907 u_int32_t port; /* 24 bit port id, if known */ 908 u_int32_t bitrate; /* Mbps */ 909 }; 910 911 struct ccb_trans_settings_sas { 912 u_int valid; /* Which fields to honor */ 913 #define CTS_SAS_VALID_SPEED 0x1000 914 u_int32_t bitrate; /* Mbps */ 915 }; 916 917 struct ccb_trans_settings_pata { 918 u_int valid; /* Which fields to honor */ 919 #define CTS_ATA_VALID_MODE 0x01 920 #define CTS_ATA_VALID_BYTECOUNT 0x02 921 #define CTS_ATA_VALID_ATAPI 0x20 922 #define CTS_ATA_VALID_CAPS 0x40 923 int mode; /* Mode */ 924 u_int bytecount; /* Length of PIO transaction */ 925 u_int atapi; /* Length of ATAPI CDB */ 926 u_int caps; /* Device and host SATA caps. */ 927 #define CTS_ATA_CAPS_H 0x0000ffff 928 #define CTS_ATA_CAPS_H_DMA48 0x00000001 /* 48-bit DMA */ 929 #define CTS_ATA_CAPS_D 0xffff0000 930 }; 931 932 struct ccb_trans_settings_sata { 933 u_int valid; /* Which fields to honor */ 934 #define CTS_SATA_VALID_MODE 0x01 935 #define CTS_SATA_VALID_BYTECOUNT 0x02 936 #define CTS_SATA_VALID_REVISION 0x04 937 #define CTS_SATA_VALID_PM 0x08 938 #define CTS_SATA_VALID_TAGS 0x10 939 #define CTS_SATA_VALID_ATAPI 0x20 940 #define CTS_SATA_VALID_CAPS 0x40 941 int mode; /* Legacy PATA mode */ 942 u_int bytecount; /* Length of PIO transaction */ 943 int revision; /* SATA revision */ 944 u_int pm_present; /* PM is present (XPT->SIM) */ 945 u_int tags; /* Number of allowed tags */ 946 u_int atapi; /* Length of ATAPI CDB */ 947 u_int caps; /* Device and host SATA caps. */ 948 #define CTS_SATA_CAPS_H 0x0000ffff 949 #define CTS_SATA_CAPS_H_PMREQ 0x00000001 950 #define CTS_SATA_CAPS_H_APST 0x00000002 951 #define CTS_SATA_CAPS_H_DMAAA 0x00000010 /* Auto-activation */ 952 #define CTS_SATA_CAPS_H_AN 0x00000020 /* Async. notification */ 953 #define CTS_SATA_CAPS_D 0xffff0000 954 #define CTS_SATA_CAPS_D_PMREQ 0x00010000 955 #define CTS_SATA_CAPS_D_APST 0x00020000 956 }; 957 958 /* Get/Set transfer rate/width/disconnection/tag queueing settings */ 959 struct ccb_trans_settings { 960 struct ccb_hdr ccb_h; 961 cts_type type; /* Current or User settings */ 962 cam_proto protocol; 963 u_int protocol_version; 964 cam_xport transport; 965 u_int transport_version; 966 union { 967 u_int valid; /* Which fields to honor */ 968 struct ccb_trans_settings_ata ata; 969 struct ccb_trans_settings_scsi scsi; 970 } proto_specific; 971 union { 972 u_int valid; /* Which fields to honor */ 973 struct ccb_trans_settings_spi spi; 974 struct ccb_trans_settings_fc fc; 975 struct ccb_trans_settings_sas sas; 976 struct ccb_trans_settings_pata ata; 977 struct ccb_trans_settings_sata sata; 978 } xport_specific; 979 }; 980 981 982 /* 983 * Calculate the geometry parameters for a device 984 * give the block size and volume size in blocks. 985 */ 986 struct ccb_calc_geometry { 987 struct ccb_hdr ccb_h; 988 u_int32_t block_size; 989 u_int64_t volume_size; 990 u_int32_t cylinders; 991 u_int8_t heads; 992 u_int8_t secs_per_track; 993 }; 994 995 /* 996 * Set or get SIM (and transport) specific knobs 997 */ 998 999 #define KNOB_VALID_ADDRESS 0x1 1000 #define KNOB_VALID_ROLE 0x2 1001 1002 1003 #define KNOB_ROLE_NONE 0x0 1004 #define KNOB_ROLE_INITIATOR 0x1 1005 #define KNOB_ROLE_TARGET 0x2 1006 #define KNOB_ROLE_BOTH 0x3 1007 1008 struct ccb_sim_knob_settings_spi { 1009 u_int valid; 1010 u_int initiator_id; 1011 u_int role; 1012 }; 1013 1014 struct ccb_sim_knob_settings_fc { 1015 u_int valid; 1016 u_int64_t wwnn; /* world wide node name */ 1017 u_int64_t wwpn; /* world wide port name */ 1018 u_int role; 1019 }; 1020 1021 struct ccb_sim_knob_settings_sas { 1022 u_int valid; 1023 u_int64_t wwnn; /* world wide node name */ 1024 u_int role; 1025 }; 1026 #define KNOB_SETTINGS_SIZE 128 1027 1028 struct ccb_sim_knob { 1029 struct ccb_hdr ccb_h; 1030 union { 1031 u_int valid; /* Which fields to honor */ 1032 struct ccb_sim_knob_settings_spi spi; 1033 struct ccb_sim_knob_settings_fc fc; 1034 struct ccb_sim_knob_settings_sas sas; 1035 char pad[KNOB_SETTINGS_SIZE]; 1036 } xport_specific; 1037 }; 1038 1039 /* 1040 * Rescan the given bus, or bus/target/lun 1041 */ 1042 struct ccb_rescan { 1043 struct ccb_hdr ccb_h; 1044 cam_flags flags; 1045 }; 1046 1047 /* 1048 * Turn on debugging for the given bus, bus/target, or bus/target/lun. 1049 */ 1050 struct ccb_debug { 1051 struct ccb_hdr ccb_h; 1052 cam_debug_flags flags; 1053 }; 1054 1055 /* Target mode structures. */ 1056 1057 struct ccb_en_lun { 1058 struct ccb_hdr ccb_h; 1059 u_int16_t grp6_len; /* Group 6 VU CDB length */ 1060 u_int16_t grp7_len; /* Group 7 VU CDB length */ 1061 u_int8_t enable; 1062 }; 1063 1064 /* old, barely used immediate notify, binary compatibility */ 1065 struct ccb_immed_notify { 1066 struct ccb_hdr ccb_h; 1067 struct scsi_sense_data sense_data; 1068 u_int8_t sense_len; /* Number of bytes in sense buffer */ 1069 u_int8_t initiator_id; /* Id of initiator that selected */ 1070 u_int8_t message_args[7]; /* Message Arguments */ 1071 }; 1072 1073 struct ccb_notify_ack { 1074 struct ccb_hdr ccb_h; 1075 u_int16_t seq_id; /* Sequence identifier */ 1076 u_int8_t event; /* Event flags */ 1077 }; 1078 1079 struct ccb_immediate_notify { 1080 struct ccb_hdr ccb_h; 1081 u_int tag_id; /* Tag for immediate notify */ 1082 u_int seq_id; /* Tag for target of notify */ 1083 u_int initiator_id; /* Initiator Identifier */ 1084 u_int arg; /* Function specific */ 1085 }; 1086 1087 struct ccb_notify_acknowledge { 1088 struct ccb_hdr ccb_h; 1089 u_int tag_id; /* Tag for immediate notify */ 1090 u_int seq_id; /* Tar for target of notify */ 1091 u_int initiator_id; /* Initiator Identifier */ 1092 u_int arg; /* Function specific */ 1093 }; 1094 1095 /* HBA engine structures. */ 1096 1097 typedef enum { 1098 EIT_BUFFER, /* Engine type: buffer memory */ 1099 EIT_LOSSLESS, /* Engine type: lossless compression */ 1100 EIT_LOSSY, /* Engine type: lossy compression */ 1101 EIT_ENCRYPT /* Engine type: encryption */ 1102 } ei_type; 1103 1104 typedef enum { 1105 EAD_VUNIQUE, /* Engine algorithm ID: vendor unique */ 1106 EAD_LZ1V1, /* Engine algorithm ID: LZ1 var.1 */ 1107 EAD_LZ2V1, /* Engine algorithm ID: LZ2 var.1 */ 1108 EAD_LZ2V2 /* Engine algorithm ID: LZ2 var.2 */ 1109 } ei_algo; 1110 1111 struct ccb_eng_inq { 1112 struct ccb_hdr ccb_h; 1113 u_int16_t eng_num; /* The engine number for this inquiry */ 1114 ei_type eng_type; /* Returned engine type */ 1115 ei_algo eng_algo; /* Returned engine algorithm type */ 1116 u_int32_t eng_memeory; /* Returned engine memory size */ 1117 }; 1118 1119 struct ccb_eng_exec { /* This structure must match SCSIIO size */ 1120 struct ccb_hdr ccb_h; 1121 u_int8_t *pdrv_ptr; /* Ptr used by the peripheral driver */ 1122 u_int8_t *req_map; /* Ptr for mapping info on the req. */ 1123 u_int8_t *data_ptr; /* Pointer to the data buf/SG list */ 1124 u_int32_t dxfer_len; /* Data transfer length */ 1125 u_int8_t *engdata_ptr; /* Pointer to the engine buffer data */ 1126 u_int16_t sglist_cnt; /* Num of scatter gather list entries */ 1127 u_int32_t dmax_len; /* Destination data maximum length */ 1128 u_int32_t dest_len; /* Destination data length */ 1129 int32_t src_resid; /* Source residual length: 2's comp */ 1130 u_int32_t timeout; /* Timeout value */ 1131 u_int16_t eng_num; /* Engine number for this request */ 1132 u_int16_t vu_flags; /* Vendor Unique flags */ 1133 }; 1134 1135 /* 1136 * Definitions for the timeout field in the SCSI I/O CCB. 1137 */ 1138 #define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */ 1139 #define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout */ 1140 1141 #define CAM_SUCCESS 0 /* For signaling general success */ 1142 #define CAM_FAILURE 1 /* For signaling general failure */ 1143 1144 #define CAM_FALSE 0 1145 #define CAM_TRUE 1 1146 1147 #define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */ 1148 1149 /* 1150 * CCB for working with advanced device information. This operates in a fashion 1151 * similar to XPT_GDEV_TYPE. Specify the target in ccb_h, the buffer 1152 * type requested, and provide a buffer size/buffer to write to. If the 1153 * buffer is too small, provsiz will be larger than bufsiz. 1154 */ 1155 struct ccb_dev_advinfo { 1156 struct ccb_hdr ccb_h; 1157 uint32_t flags; 1158 #define CDAI_FLAG_NONE 0x0 /* No flags set */ 1159 #define CDAI_FLAG_STORE 0x1 /* If set, action becomes store */ 1160 uint32_t buftype; /* IN: Type of data being requested */ 1161 /* NB: buftype is interpreted on a per-transport basis */ 1162 #define CDAI_TYPE_SCSI_DEVID 1 1163 #define CDAI_TYPE_SERIAL_NUM 2 1164 #define CDAI_TYPE_PHYS_PATH 3 1165 #define CDAI_TYPE_RCAPLONG 4 1166 #define CDAI_TYPE_EXT_INQ 5 1167 off_t bufsiz; /* IN: Size of external buffer */ 1168 #define CAM_SCSI_DEVID_MAXLEN 65536 /* length in buffer is an uint16_t */ 1169 off_t provsiz; /* OUT: Size required/used */ 1170 uint8_t *buf; /* IN/OUT: Buffer for requested data */ 1171 }; 1172 1173 /* 1174 * CCB for sending async events 1175 */ 1176 struct ccb_async { 1177 struct ccb_hdr ccb_h; 1178 uint32_t async_code; 1179 off_t async_arg_size; 1180 void *async_arg_ptr; 1181 }; 1182 1183 /* 1184 * Union of all CCB types for kernel space allocation. This union should 1185 * never be used for manipulating CCBs - its only use is for the allocation 1186 * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc 1187 * and the argument to xpt_ccb_free. 1188 */ 1189 union ccb { 1190 struct ccb_hdr ccb_h; /* For convenience */ 1191 struct ccb_scsiio csio; 1192 struct ccb_getdev cgd; 1193 struct ccb_getdevlist cgdl; 1194 struct ccb_pathinq cpi; 1195 struct ccb_relsim crs; 1196 struct ccb_setasync csa; 1197 struct ccb_setdev csd; 1198 struct ccb_pathstats cpis; 1199 struct ccb_getdevstats cgds; 1200 struct ccb_dev_match cdm; 1201 struct ccb_trans_settings cts; 1202 struct ccb_calc_geometry ccg; 1203 struct ccb_sim_knob knob; 1204 struct ccb_abort cab; 1205 struct ccb_resetbus crb; 1206 struct ccb_resetdev crd; 1207 struct ccb_termio tio; 1208 struct ccb_accept_tio atio; 1209 struct ccb_scsiio ctio; 1210 struct ccb_en_lun cel; 1211 struct ccb_immed_notify cin; 1212 struct ccb_notify_ack cna; 1213 struct ccb_immediate_notify cin1; 1214 struct ccb_notify_acknowledge cna2; 1215 struct ccb_eng_inq cei; 1216 struct ccb_eng_exec cee; 1217 struct ccb_smpio smpio; 1218 struct ccb_rescan crcn; 1219 struct ccb_debug cdbg; 1220 struct ccb_ataio ataio; 1221 struct ccb_dev_advinfo cdai; 1222 struct ccb_async casync; 1223 }; 1224 1225 __BEGIN_DECLS 1226 static __inline void 1227 cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 1228 void (*cbfcnp)(struct cam_periph *, union ccb *), 1229 u_int32_t flags, u_int8_t tag_action, 1230 u_int8_t *data_ptr, u_int32_t dxfer_len, 1231 u_int8_t sense_len, u_int8_t cdb_len, 1232 u_int32_t timeout); 1233 1234 static __inline void 1235 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 1236 void (*cbfcnp)(struct cam_periph *, union ccb *), 1237 u_int32_t flags, u_int tag_action, u_int tag_id, 1238 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 1239 u_int32_t dxfer_len, u_int32_t timeout); 1240 1241 static __inline void 1242 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries, 1243 void (*cbfcnp)(struct cam_periph *, union ccb *), 1244 u_int32_t flags, u_int tag_action, 1245 u_int8_t *data_ptr, u_int32_t dxfer_len, 1246 u_int32_t timeout); 1247 1248 static __inline void 1249 cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries, 1250 void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags, 1251 uint8_t *smp_request, int smp_request_len, 1252 uint8_t *smp_response, int smp_response_len, 1253 uint32_t timeout); 1254 1255 static __inline void 1256 cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries, 1257 void (*cbfcnp)(struct cam_periph *, union ccb *), 1258 u_int32_t flags, u_int8_t tag_action, 1259 u_int8_t *data_ptr, u_int32_t dxfer_len, 1260 u_int8_t sense_len, u_int8_t cdb_len, 1261 u_int32_t timeout) 1262 { 1263 csio->ccb_h.func_code = XPT_SCSI_IO; 1264 csio->ccb_h.flags = flags; 1265 csio->ccb_h.xflags = 0; 1266 csio->ccb_h.retry_count = retries; 1267 csio->ccb_h.cbfcnp = cbfcnp; 1268 csio->ccb_h.timeout = timeout; 1269 csio->data_ptr = data_ptr; 1270 csio->dxfer_len = dxfer_len; 1271 csio->sense_len = sense_len; 1272 csio->cdb_len = cdb_len; 1273 csio->tag_action = tag_action; 1274 } 1275 1276 static __inline void 1277 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries, 1278 void (*cbfcnp)(struct cam_periph *, union ccb *), 1279 u_int32_t flags, u_int tag_action, u_int tag_id, 1280 u_int init_id, u_int scsi_status, u_int8_t *data_ptr, 1281 u_int32_t dxfer_len, u_int32_t timeout) 1282 { 1283 csio->ccb_h.func_code = XPT_CONT_TARGET_IO; 1284 csio->ccb_h.flags = flags; 1285 csio->ccb_h.xflags = 0; 1286 csio->ccb_h.retry_count = retries; 1287 csio->ccb_h.cbfcnp = cbfcnp; 1288 csio->ccb_h.timeout = timeout; 1289 csio->data_ptr = data_ptr; 1290 csio->dxfer_len = dxfer_len; 1291 csio->scsi_status = scsi_status; 1292 csio->tag_action = tag_action; 1293 csio->tag_id = tag_id; 1294 csio->init_id = init_id; 1295 } 1296 1297 static __inline void 1298 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries, 1299 void (*cbfcnp)(struct cam_periph *, union ccb *), 1300 u_int32_t flags, u_int tag_action, 1301 u_int8_t *data_ptr, u_int32_t dxfer_len, 1302 u_int32_t timeout) 1303 { 1304 ataio->ccb_h.func_code = XPT_ATA_IO; 1305 ataio->ccb_h.flags = flags; 1306 ataio->ccb_h.retry_count = retries; 1307 ataio->ccb_h.cbfcnp = cbfcnp; 1308 ataio->ccb_h.timeout = timeout; 1309 ataio->data_ptr = data_ptr; 1310 ataio->dxfer_len = dxfer_len; 1311 ataio->tag_action = tag_action; 1312 } 1313 1314 static __inline void 1315 cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries, 1316 void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags, 1317 uint8_t *smp_request, int smp_request_len, 1318 uint8_t *smp_response, int smp_response_len, 1319 uint32_t timeout) 1320 { 1321 #ifdef _KERNEL 1322 KASSERT((flags & CAM_DIR_MASK) == CAM_DIR_BOTH, 1323 ("direction != CAM_DIR_BOTH")); 1324 KASSERT((smp_request != NULL) && (smp_response != NULL), 1325 ("need valid request and response buffers")); 1326 KASSERT((smp_request_len != 0) && (smp_response_len != 0), 1327 ("need non-zero request and response lengths")); 1328 #endif /*_KERNEL*/ 1329 smpio->ccb_h.func_code = XPT_SMP_IO; 1330 smpio->ccb_h.flags = flags; 1331 smpio->ccb_h.retry_count = retries; 1332 smpio->ccb_h.cbfcnp = cbfcnp; 1333 smpio->ccb_h.timeout = timeout; 1334 smpio->smp_request = smp_request; 1335 smpio->smp_request_len = smp_request_len; 1336 smpio->smp_response = smp_response; 1337 smpio->smp_response_len = smp_response_len; 1338 } 1339 1340 static __inline void 1341 cam_set_ccbstatus(union ccb *ccb, cam_status status) 1342 { 1343 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1344 ccb->ccb_h.status |= status; 1345 } 1346 1347 static __inline cam_status 1348 cam_ccb_status(union ccb *ccb) 1349 { 1350 return ((cam_status)(ccb->ccb_h.status & CAM_STATUS_MASK)); 1351 } 1352 1353 void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 1354 1355 __END_DECLS 1356 1357 #endif /* _CAM_CAM_CCB_H */ 1358