1/* 2 * Copyright 2009, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * 6 * Definitions for the SCSI Common Access Method as implemented in Haiku. 7 * 8 * See also "Draft Proposed American National Standard, SCSI-2 Common 9 * Access Method Transport and SCSI Interface Module", Revision 12, 10 * ANSI refernce number X3.232-199x. 11 * 12*/ 13 14#ifndef _CAM_H 15#define _CAM_H 16 17#include <bus_manager.h> 18 19#include <sys/types.h> 20 21 22#ifdef __cplusplus 23extern "C" { 24#endif 25 26#ifndef U32 27typedef uint32 U32; 28#endif 29 30#ifndef I32 31typedef int32 I32; 32#endif 33 34#ifndef U16 35typedef uint16 U16; 36#endif 37 38/* Haiku specific additions */ 39 40typedef struct { 41 uint32 serial; /* operation serial number */ 42 uint32 micros; /* operation time in microseconds (4294s max) */ 43 uint32 bytes; /* number of bytes to transfer */ 44 uchar path; /* target SIM ID */ 45 uchar target; /* target device ID */ 46 uchar sgcount; /* # of sg segments (0 if non-sg operation) */ 47 uchar scsi_op; /* scsi operation byte */ 48} cam_iostat; 49 50/* End of Haiku specific additions */ 51 52/* Defines for the XPT function codes, Table 8-2 in the CAM spec. */ 53 54/* Common function commands, 0x00 - 0x0F */ 55#define XPT_NOOP 0x00 /* Execute Nothing */ 56#define XPT_SCSI_IO 0x01 /* Execute the requested SCSI IO */ 57#define XPT_GDEV_TYPE 0x02 /* Get the device type information */ 58#define XPT_PATH_INQ 0x03 /* Path Inquiry */ 59#define XPT_REL_SIMQ 0x04 /* Release the SIM queue that is frozen */ 60#define XPT_SASYNC_CB 0x05 /* Set Async callback parameters */ 61#define XPT_SDEV_TYPE 0x06 /* Set the device type information */ 62#define XPT_SCAN_BUS 0x07 /* Scan the Scsi Bus */ 63 64/* XPT SCSI control functions, 0x10 - 0x1F */ 65#define XPT_ABORT 0x10 /* Abort the selected CCB */ 66#define XPT_RESET_BUS 0x11 /* Reset the SCSI bus */ 67#define XPT_RESET_DEV 0x12 /* Reset the SCSI device, BDR */ 68#define XPT_TERM_IO 0x13 /* Terminate the I/O process */ 69 70/* HBA engine commands, 0x20 - 0x2F */ 71#define XPT_ENG_INQ 0x20 /* HBA engine inquiry */ 72#define XPT_ENG_EXEC 0x21 /* HBA execute engine request */ 73 74/* Target mode commands, 0x30 - 0x3F */ 75#define XPT_EN_LUN 0x30 /* Enable LUN, Target mode support */ 76#define XPT_TARGET_IO 0x31 /* Execute the target IO request */ 77#define XPT_ACCEPT_TARG 0x32 /* Accept Host Target Mode CDB */ 78#define XPT_CONT_TARG 0x33 /* Cont. Host Target I/O Connection */ 79#define XPT_IMMED_NOTIFY 0x34 /* Notify Host Target driver of event*/ 80#define XPT_NOTIFY_ACK 0x35 /* Acknowledgement of event */ 81 82#define XPT_FUNC 0x7F /* TEMPLATE */ 83#define XPT_VUNIQUE 0x80 /* All the rest are vendor unique commands */ 84 85/* General allocation length defines for the CCB structures. */ 86 87#define IOCDBLEN 12 /* Space for the CDB bytes/pointer */ 88#define VUHBA 14 /* Vendor Unique HBA length */ 89#define SIM_ID 16 /* ASCII string len for SIM ID */ 90#define HBA_ID 16 /* ASCII string len for HBA ID */ 91 92#define BE_SIM_CCB_SIZE 1536 /* we want to allocate 1.5k chunks */ 93#define BE_SIM_SCSIIO_SIZE 88 /* sizeof(CAM_CCB_SCSIIO) - SIM_PRIV */ 94#define SIM_PRIV (BE_SIM_CCB_SIZE - BE_SIM_SCSIIO_SIZE) /* Length of SIM private data area */ 95 96/* SIM_PRIV (sim private data area) Terms and Conditions: 97 98 - the size of SIM_PRIV shall be such that sizeof(CCB_SIZE_UNION) = 1.5k 99 - all CCB's shall be allocated from locked, contiguous memory 100 - CCB's shall be aligned on 512 byte boundaries 101 - SIM_PRIV will be >= 1408 bytes 102 - this provides 128 8byte sg entries (512mb worth of pages, worstcase fragmentation) 103 - and 256 bytes for sense data and 128 bytes for whatever else the SIM needs 104 105 - These conditions are NULL and (void) where prohibited by law. 106 - All sales are final. 107 - Do not use near open flame. 108*/ 109 110/* Structure definitions for the CAM control blocks, CCB's for the 111subsystem. */ 112 113/* Common CCB header definition. */ 114typedef struct ccb_header 115{ 116 uint32 phys_addr; /* physical address of this CCB */ 117 uint16 cam_ccb_len; /* Length of the entire CCB */ 118 uchar cam_func_code; /* XPT function code */ 119 uchar cam_status; /* Returned CAM subsystem status */ 120 uchar cam_hrsvd0; /* Reserved field, for alignment */ 121 uchar cam_path_id; /* Path ID for the request */ 122 uchar cam_target_id; /* Target device ID */ 123 uchar cam_target_lun; /* Target LUN number */ 124 uint32 cam_flags; /* Flags for operation of the subsystem */ 125} CCB_HEADER; 126 127/* Common SCSI functions. */ 128 129/* Union definition for the CDB space in the SCSI I/O request CCB */ 130typedef union cdb_un 131{ 132 uchar* cam_cdb_ptr; /* Pointer to the CDB bytes to send */ 133 uchar cam_cdb_bytes[IOCDBLEN]; /* Area for the CDB to send */ 134} CDB_UN; 135 136/* Get device type CCB */ 137typedef struct ccb_getdev 138{ 139 CCB_HEADER cam_ch; /* Header information fields */ 140 char* cam_inq_data; /* Ptr to the inquiry data space */ 141 uchar cam_pd_type; /* Periph device type from the TLUN */ 142} CCB_GETDEV; 143 144/* Path inquiry CCB */ 145typedef struct ccb_pathinq 146{ 147 CCB_HEADER cam_ch; /* Header information fields */ 148 uchar cam_version_num; /* Version number for the SIM/HBA */ 149 uchar cam_hba_inquiry; /* Mimic of INQ byte 7 for the HBA */ 150 uchar cam_target_sprt; /* Flags for target mode support */ 151 uchar cam_hba_misc; /* Misc HBA feature flags */ 152 uint16 cam_hba_eng_cnt; /* HBA engine count */ 153 uchar cam_vuhba_flags[VUHBA]; /* Vendor unique capabilities */ 154 uint32 cam_sim_priv; /* Size of SIM private data area */ 155 uint32 cam_async_flags; /* Event cap. for Async Callback */ 156 uchar cam_hpath_id; /* Highest path ID in the subsystem */ 157 uchar cam_initiator_id; /* ID of the HBA on the SCSI bus */ 158 uchar cam_prsvd0; /* Reserved field, for alignment */ 159 uchar cam_prsvd1; /* Reserved field, for alignment */ 160 char cam_sim_vid[SIM_ID]; /* Vendor ID of the SIM */ 161 char cam_hba_vid[HBA_ID]; /* Vendor ID of the HBA */ 162 uchar* cam_osd_usage; /* Ptr for the OSD specific area */ 163} CCB_PATHINQ; 164 165/* Release SIM Queue CCB */ 166typedef struct ccb_relsim 167{ 168 CCB_HEADER cam_ch; /* Header information fields */ 169} CCB_RELSIM; 170 171/* SCSI I/O Request CCB */ 172typedef struct ccb_scsiio 173{ 174 CCB_HEADER cam_ch; /* Header information fields */ 175 uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */ 176 CCB_HEADER* cam_next_ccb; /* Ptr to the next CCB for action */ 177 uchar* cam_req_map; /* Ptr for mapping info on the Req. */ 178 void (*cam_cbfcnp)(struct ccb_scsiio*); 179 /* Callback on completion function */ 180 uchar* cam_data_ptr; /* Pointer to the data buf/SG list */ 181 uint32 cam_dxfer_len; /* Data xfer length */ 182 uchar* cam_sense_ptr; /* Pointer to the sense data buffer */ 183 uchar cam_sense_len; /* Num of bytes in the Autosense buf */ 184 uchar cam_cdb_len; /* Number of bytes for the CDB */ 185 uint16 cam_sglist_cnt; /* Num of scatter gather list entries */ 186 uint32 cam_sort; /* Value used by SIM to sort on */ 187 uchar cam_scsi_status; /* Returned scsi device status */ 188 uchar cam_sense_resid; /* Autosense resid length: 2's comp */ 189 uchar cam_osd_rsvd1[2]; /* OSD Reserved field, for alignment */ 190 int32 cam_resid; /* Transfer residual length: 2's comp */ 191 CDB_UN cam_cdb_io; /* Union for CDB bytes/pointer */ 192 uint32 cam_timeout; /* Timeout value */ 193 uchar* cam_msg_ptr; /* Pointer to the message buffer */ 194 uint16 cam_msgb_len; /* Num of bytes in the message buf */ 195 uint16 cam_vu_flags; /* Vendor unique flags */ 196 uchar cam_tag_action; /* What to do for tag queuing */ 197 uchar cam_iorsvd0[3]; /* Reserved field, for alignment */ 198 uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */ 199} CCB_SCSIIO; 200 201/* Set Async Callback CCB */ 202typedef struct ccb_setasync 203{ 204 CCB_HEADER cam_ch; /* Header information fields */ 205 uint32 cam_async_flags; /* Event enables for Callback resp */ 206 void (*cam_async_func)(); /* Async Callback function address */ 207 uchar* pdrv_buf; /* Buffer set aside by the Per. drv */ 208 uchar pdrv_buf_len; /* The size of the buffer */ 209} CCB_SETASYNC; 210 211/* Set device type CCB */ 212typedef struct ccb_setdev 213{ 214 CCB_HEADER cam_ch; /* Header information fields */ 215 uchar cam_dev_type; /* Val for the dev type field in EDT */ 216} CCB_SETDEV; 217 218/* SCSI Control Functions. */ 219 220/* Abort XPT Request CCB */ 221typedef struct ccb_abort 222{ 223 CCB_HEADER cam_ch; /* Header information fields */ 224 CCB_HEADER* cam_abort_ch; /* Pointer to the CCB to abort */ 225} CCB_ABORT; 226 227/* Reset SCSI Bus CCB */ 228typedef struct ccb_resetbus 229{ 230 CCB_HEADER cam_ch; /* Header information fields */ 231} CCB_RESETBUS; 232 233/* Reset SCSI Device CCB */ 234typedef struct ccb_resetdev 235{ 236 CCB_HEADER cam_ch; /* Header information fields */ 237} CCB_RESETDEV; 238 239/* Terminate I/O Process Request CCB */ 240typedef struct ccb_termio 241{ 242 CCB_HEADER cam_ch; /* Header information fields */ 243 CCB_HEADER* cam_termio_ch; /* Pointer to the CCB to terminate */ 244} CCB_TERMIO; 245 246/* Target mode structures. */ 247 248/* Host Target Mode Version 1 Enable LUN CCB */ 249typedef struct ccb_en_lun 250{ 251 CCB_HEADER cam_ch; /* Header information fields */ 252 uint16 cam_grp6_len; /* Group 6 VU CDB length */ 253 uint16 cam_grp7_len; /* Group 7 VU CDB length */ 254 uchar* cam_ccb_listptr; /* Pointer to the target CCB list */ 255 uint16 cam_ccb_listcnt; /* Count of Target CCBs in the list */ 256} CCB_EN_LUN; 257 258/* Enable LUN CCB (HTM V2) */ 259typedef struct ccb_enable_lun 260{ 261 CCB_HEADER cam_ch; /* Header information fields */ 262 uint16 cam_grp6_length; /* Group 6 Vendor Unique CDB Lengths */ 263 uint16 cam_grp7_length; /* Group 7 Vendor Unique CDB Lengths */ 264 uchar* cam_immed_notify_list; /* Ptr to Immediate Notify CCB list */ 265 uint32 cam_immed_notify_cnt; /* Number of Immediate Notify CCBs */ 266 uchar* cam_accept_targ_list; /* Ptr to Accept Target I/O CCB list */ 267 uint32 cam_accept_targ_cnt; /* Number of Accept Target I/O CCBs */ 268 uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */ 269} CCB_ENABLE_LUN; 270 271/* Immediate Notify CCB */ 272typedef struct ccb_immed_notify 273{ 274 CCB_HEADER cam_ch; /* Header information fields */ 275 uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */ 276 void (*cam_cbfnot)(); /* Callback on notification function */ 277 uchar* cam_sense_ptr; /* Pointer to the sense data buffer */ 278 uchar cam_sense_len; /* Num of bytes in the Autosense buf */ 279 uchar cam_init_id; /* ID of Initiator that selected */ 280 uint16 cam_seq_id; /* Sequence Identifier */ 281 uchar cam_msg_code; /* Message Code */ 282 uchar cam_msg_args[7]; /* Message Arguments */ 283} CCB_IMMED_NOTIFY; 284 285/* Notify Acknowledge CCB */ 286typedef struct ccb_notify_ack 287{ 288 CCB_HEADER cam_ch; /* Header information fields */ 289 uint16 cam_seq_id; /* Sequence Identifier */ 290 uchar cam_event; /* Event */ 291 uchar cam_rsvd; 292} CCB_NOTIFY_ACK; 293 294/* Accept Target I/O CCB */ 295typedef struct ccb_accept_targ 296{ 297 CCB_HEADER cam_ch; /* Header information fields */ 298 uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */ 299 CCB_HEADER* cam_next_ccb; /* Ptr to the next CCB for action */ 300 uchar* cam_req_map; /* Ptr for mapping info on the Req. */ 301 void (*cam_cbfcnot)(); /* Callback on completion function */ 302 uchar* cam_data_ptr; /* Pointer to the data buf/SG list */ 303 uint32 cam_dxfer_len; /* Data xfer length */ 304 uchar* cam_sense_ptr; /* Pointer to the sense data buffer */ 305 uchar cam_sense_len; /* Num of bytes in the Autosense buf */ 306 uchar cam_cdb_len; /* Number of bytes for the CDB */ 307 uint16 cam_sglist_cnt; /* Num of scatter gather list entries */ 308 uint32 cam_sort; /* Value used by SIM to sort on */ 309 uchar cam_scsi_status; /* Returned scsi device status */ 310 uchar cam_sense_resid; /* Autosense resid length: 2's comp */ 311 uchar cam_osd_rsvd1[2]; /* OSD Reserved field, for alignment */ 312 int32 cam_resid; /* Transfer residual length: 2's comp */ 313 CDB_UN cam_cdb_io; /* Union for CDB bytes/pointer */ 314 uint32 cam_timeout; /* Timeout value */ 315 uchar* cam_msg_ptr; /* Pointer to the message buffer */ 316 uint16 cam_msgb_len; /* Num of bytes in the message buf */ 317 uint16 cam_vu_flags; /* Vendor unique flags */ 318 uchar cam_tag_action; /* What to do for tag queuing */ 319 uchar cam_tag_id; /* Tag ID */ 320 uchar cam_initiator_id; /* Initiator ID */ 321 uchar cam_iorsvd0[1]; /* Reserved field, for alignment */ 322 uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */ 323} CCB_ACCEPT_TARG; 324 325/* Continue Target I/O CCB */ 326typedef CCB_ACCEPT_TARG CCB_CONT_TARG; 327 328/* HBA engine structures. */ 329 330typedef struct ccb_eng_inq 331{ 332 CCB_HEADER cam_ch; /* Header information fields */ 333 uint16 cam_eng_num; /* The number for this inquiry */ 334 uchar cam_eng_type; /* Returned engine type */ 335 uchar cam_eng_algo; /* Returned algorithm type */ 336 uint32 cam_eng_memory; /* Returned engine memory size */ 337} CCB_ENG_INQ; 338 339typedef struct ccb_eng_exec /* NOTE: must match SCSIIO size */ 340{ 341 CCB_HEADER cam_ch; /* Header information fields */ 342 uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */ 343 uint32 cam_engrsvd0; /* Reserved field, for alignment */ 344 uchar* cam_req_map; /* Ptr for mapping info on the Req. */ 345 void (*cam_cbfcnp)(); /* Callback on completion function */ 346 uchar* cam_data_ptr; /* Pointer to the data buf/SG list */ 347 uint32 cam_dxfer_len; /* Data xfer length */ 348 uchar* cam_engdata_ptr; /* Pointer to the engine buffer data */ 349 uchar cam_engrsvd1; /* Reserved field, for alignment */ 350 uchar cam_engrsvd2; /* Reserved field, for alignment */ 351 uint16 cam_sglist_cnt; /* Num of scatter gather list entries */ 352 uint32 cam_dmax_len; /* Destination data maximum length */ 353 uint32 cam_dest_len; /* Destination data length */ 354 int32 cam_src_resid; /* Source residual length: 2's comp */ 355 uchar cam_engrsvd3[12]; /* Reserved field, for alignment */ 356 uint32 cam_timeout; /* Timeout value */ 357 uint32 cam_engrsvd4; /* Reserved field, for alignment */ 358 uint16 cam_eng_num; /* Engine number for this request */ 359 uint16 cam_vu_flags; /* Vendor unique flags */ 360 uchar cam_engrsvd5; /* Reserved field, for alignment */ 361 uchar cam_engrsvd6[3]; /* Reserved field, for alignment */ 362 uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */ 363} CCB_ENG_EXEC; 364 365/* The sim_module_info definition is used to define the entry points for 366the SIMs contained in the SCSI CAM subsystem. Each SIM file will 367contain a declaration for it's entry. The address for this entry will 368be stored in the cam_conftbl[] array along will all the other SIM 369entries. */ 370 371typedef struct sim_module_info sim_module_info; 372 373struct sim_module_info { 374 module_info minfo; 375}; 376 377typedef struct CAM_SIM_ENTRY CAM_SIM_ENTRY; 378 379struct CAM_SIM_ENTRY { 380 status_t (*sim_init)(); 381 int32 (*sim_action)(); 382}; 383 384/* ---------------------------------------------------------------------- */ 385 386/* Defines for the CAM status field in the CCB header. */ 387 388#define CAM_REQ_INPROG 0x00 /* CCB request is in progress */ 389#define CAM_REQ_CMP 0x01 /* CCB request completed w/out error */ 390#define CAM_REQ_ABORTED 0x02 /* CCB request aborted by the host */ 391#define CAM_UA_ABORT 0x03 /* Unable to Abort CCB request */ 392#define CAM_REQ_CMP_ERR 0x04 /* CCB request completed with an err */ 393#define CAM_BUSY 0x05 /* CAM subsystem is busy */ 394#define CAM_REQ_INVALID 0x06 /* CCB request is invalid */ 395#define CAM_PATH_INVALID 0x07 /* Path ID supplied is invalid */ 396#define CAM_DEV_NOT_THERE 0x08 /* SCSI device not installed/there */ 397#define CAM_UA_TERMIO 0x09 /* Unable to Terminate I/O CCB req */ 398#define CAM_SEL_TIMEOUT 0x0A /* Target selection timeout */ 399#define CAM_CMD_TIMEOUT 0x0B /* Command timeout */ 400#define CAM_MSG_REJECT_REC 0x0D /* Message reject received */ 401#define CAM_SCSI_BUS_RESET 0x0E /* SCSI bus reset sent/received */ 402#define CAM_UNCOR_PARITY 0x0F /* Uncorrectable parity err occurred */ 403#define CAM_AUTOSENSE_FAIL 0x10 /* Autosense: Request sense cmd fail */ 404#define CAM_NO_HBA 0x11 /* No HBA detected Error */ 405#define CAM_DATA_RUN_ERR 0x12 /* Data overrun/underrun error */ 406#define CAM_UNEXP_BUSFREE 0x13 /* Unexpected BUS free */ 407#define CAM_SEQUENCE_FAIL 0x14 /* Target bus phase sequence failure */ 408#define CAM_CCB_LEN_ERR 0x15 /* CCB length supplied is inadequate */ 409#define CAM_PROVIDE_FAIL 0x16 /* Unable to provide requ. capability */ 410#define CAM_BDR_SENT 0x17 /* A SCSI BDR msg was sent to target */ 411#define CAM_REQ_TERMIO 0x18 /* CCB request terminated by the host */ 412#define CAM_HBA_ERR 0x19 /* Unrecoverable host bus adaptor err*/ 413#define CAM_BUS_RESET_DENIED 0x1A /* SCSI bus reset denied */ 414 415#define CAM_IDE 0x33 /* Initiator Detected Error Received */ 416#define CAM_RESRC_UNAVAIL 0x34 /* Resource unavailable */ 417#define CAM_UNACKED_EVENT 0x35 /* Unacknowledged event by host */ 418#define CAM_MESSAGE_RECV 0x36 /* Msg received in Host Target Mode */ 419#define CAM_INVALID_CDB 0x37 /* Invalid CDB recvd in HT Mode */ 420#define CAM_LUN_INVALID 0x38 /* LUN supplied is invalid */ 421#define CAM_TID_INVALID 0x39 /* Target ID supplied is invalid */ 422#define CAM_FUNC_NOTAVAIL 0x3A /* The requ. func is not available */ 423#define CAM_NO_NEXUS 0x3B /* Nexus is not established */ 424#define CAM_IID_INVALID 0x3C /* The initiator ID is invalid */ 425#define CAM_CDB_RECVD 0x3D /* The SCSI CDB has been received */ 426#define CAM_LUN_ALLREADY_ENAB 0x3E /* LUN already enabled */ 427#define CAM_SCSI_BUSY 0x3F /* SCSI bus busy */ 428 429#define CAM_SIM_QFRZN 0x40 /* The SIM queue is frozen w/this err */ 430#define CAM_AUTOSNS_VALID 0x80 /* Autosense data valid for target */ 431 432#define CAM_STATUS_MASK 0x3F /* Mask bits for just the status # */ 433 434/* ---------------------------------------------------------------------- */ 435 436/* Defines for the CAM flags field in the CCB header. */ 437 438#define CAM_DIR_RESV 0x00000000 /* Data direction (00: reserved) */ 439#define CAM_DIR_IN 0x00000040 /* Data direction (01: DATA IN) */ 440#define CAM_DIR_OUT 0x00000080 /* Data direction (10: DATA OUT) */ 441#define CAM_DIR_NONE 0x000000C0 /* Data direction (11: no data) */ 442#define CAM_DIS_AUTOSENSE 0x00000020 /* Disable autosense feature */ 443#define CAM_SCATTER_VALID 0x00000010 /* Scatter/gather list is valid */ 444#define CAM_DIS_CALLBACK 0x00000008 /* Disable callback feature */ 445#define CAM_CDB_LINKED 0x00000004 /* The CCB contains a linked CDB */ 446#define CAM_QUEUE_ENABLE 0x00000002 /* SIM queue actions are enabled */ 447#define CAM_CDB_POINTER 0x00000001 /* The CDB field contains a pointer */ 448 449#define CAM_DIS_DISCONNECT 0x00008000 /* Disable disconnect */ 450#define CAM_INITIATE_SYNC 0x00004000 /* Attempt Sync data xfer, and SDTR */ 451#define CAM_DIS_SYNC 0x00002000 /* Disable sync, go to async */ 452#define CAM_SIM_QHEAD 0x00001000 /* Place CCB at the head of SIM Q */ 453#define CAM_SIM_QFREEZE 0x00000800 /* Return the SIM Q to frozen state */ 454#define CAM_SIM_QFRZDIS 0x00000400 /* Disable the SIM Q frozen state */ 455#define CAM_ENG_SYNC 0x00000200 /* Flush resid bytes before cmplt */ 456 457#define CAM_ENG_SGLIST 0x00800000 /* The SG list is for the HBA engine */ 458#define CAM_CDB_PHYS 0x00400000 /* CDB pointer is physical */ 459#define CAM_DATA_PHYS 0x00200000 /* SG/Buffer data ptrs are physical */ 460#define CAM_SNS_BUF_PHYS 0x00100000 /* Autosense data ptr is physical */ 461#define CAM_MSG_BUF_PHYS 0x00080000 /* Message buffer ptr is physical */ 462#define CAM_NXT_CCB_PHYS 0x00040000 /* Next CCB pointer is physical */ 463#define CAM_CALLBCK_PHYS 0x00020000 /* Callback func ptr is physical */ 464 465#define CAM_SEND_STATUS 0x80000000 /* Send status after date phase */ 466#define CAM_DISCONNECT 0x40000000 /* Disc. mandatory after cdb recv */ 467#define CAM_TERM_IO 0x20000000 /* Terminate I/O Message supported */ 468 469#define CAM_DATAB_VALID 0x80000000 /* Data buffer valid */ 470#define CAM_STATUS_VALID 0x40000000 /* Status buffer valid */ 471#define CAM_MSGB_VALID 0x20000000 /* Message buffer valid */ 472#define CAM_TGT_PHASE_MODE 0x08000000 /* The SIM will run in phase mode */ 473#define CAM_TGT_CCB_AVAIL 0x04000000 /* Target CCB available */ 474#define CAM_DIS_AUTODISC 0x02000000 /* Disable autodisconnect */ 475#define CAM_DIS_AUTOSRP 0x01000000 /* Disable autosave/restore ptrs */ 476 477/* ---------------------------------------------------------------------- */ 478 479/* Defines for the SIM/HBA queue actions. These value are used in the 480SCSI I/O CCB, for the queue action field. [These values should match the 481defines from some other include file for the SCSI message phases. We may 482not need these definitions here. ] */ 483 484#define CAM_SIMPLE_QTAG 0x20 /* Tag for a simple queue */ 485#define CAM_HEAD_QTAG 0x21 /* Tag for head of queue */ 486#define CAM_ORDERED_QTAG 0x22 /* Tag for ordered queue */ 487 488/* ---------------------------------------------------------------------- */ 489 490/* Defines for the timeout field in the SCSI I/O CCB. At this time a value 491of 0xF-F indicates a infinite timeout. A value of 0x0-0 indicates that the 492SIM's default timeout can take effect. */ 493 494#define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */ 495#define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout for I/O */ 496 497/* ---------------------------------------------------------------------- */ 498 499/* Defines for the Path Inquiry CCB fields. */ 500 501#define CAM_VERSION 0x25 /* Binary value for the current ver */ 502 503#define PI_MDP_ABLE 0x80 /* Supports MDP message */ 504#define PI_WIDE_32 0x40 /* Supports 32 bit wide SCSI */ 505#define PI_WIDE_16 0x20 /* Supports 16 bit wide SCSI */ 506#define PI_SDTR_ABLE 0x10 /* Supports SDTR message */ 507#define PI_LINKED_CDB 0x08 /* Supports linked CDBs */ 508#define PI_TAG_ABLE 0x02 /* Supports tag queue message */ 509#define PI_SOFT_RST 0x01 /* Supports soft reset */ 510 511#define PIT_PROCESSOR 0x80 /* Target mode processor mode */ 512#define PIT_PHASE 0x40 /* Target mode phase cog. mode */ 513 514#define PIM_SCANHILO 0x80 /* Bus scans from ID 7 to ID 0 */ 515#define PIM_NOREMOVE 0x40 /* Removable dev not included in scan */ 516#define PIM_NOINQUIRY 0x20 /* Inquiry data not kept by XPT */ 517 518/* ---------------------------------------------------------------------- */ 519 520/* Defines for Asynchronous Callback CCB fields. */ 521 522#define AC_FOUND_DEVICES 0x80 /* During a rescan new device found */ 523#define AC_SIM_DEREGISTER 0x40 /* A loaded SIM has de-registered */ 524#define AC_SIM_REGISTER 0x20 /* A loaded SIM has registered */ 525#define AC_SENT_BDR 0x10 /* A BDR message was sent to target */ 526#define AC_SCSI_AEN 0x08 /* A SCSI AEN has been received */ 527#define AC_UNSOL_RESEL 0x02 /* A unsolicited reselection occurred */ 528#define AC_BUS_RESET 0x01 /* A SCSI bus RESET occurred */ 529 530/* ---------------------------------------------------------------------- */ 531 532/* Typedef for a scatter/gather list element. */ 533 534typedef struct sg_elem 535{ 536 uchar* cam_sg_address; /* Scatter/Gather address */ 537 uint32 cam_sg_count; /* Scatter/Gather count */ 538} SG_ELEM; 539 540/* ---------------------------------------------------------------------- */ 541 542/* Defines for the "event" field in the CCB_NOTIFY_ACK */ 543#define CAM_RESET_CLEARED 0x80 /* Reset Cleared */ 544 545/* ---------------------------------------------------------------------- */ 546 547/* Defines for the HBA engine inquiry CCB fields. */ 548 549#define EIT_BUFFER 0x00 /* Engine type: Buffer memory */ 550#define EIT_LOSSLESS 0x01 /* Engine type: Lossless compression */ 551#define EIT_LOSSLY 0x02 /* Engine type: Lossly compression */ 552#define EIT_ENCRYPT 0x03 /* Engine type: Encryption */ 553 554#define EAD_VUNIQUE 0x00 /* Eng algorithm ID: vendor unique */ 555#define EAD_LZ1V1 0x00 /* Eng algorithm ID: LZ1 var. 1*/ 556#define EAD_LZ2V1 0x00 /* Eng algorithm ID: LZ2 var. 1*/ 557#define EAD_LZ2V2 0x00 /* Eng algorithm ID: LZ2 var. 2*/ 558 559/* ---------------------------------------------------------------------- */ 560/* ---------------------------------------------------------------------- */ 561 562/* Unix OSD defines and data structures. */ 563 564#define INQLEN 36 /* Inquiry string length to store. */ 565 566#define CAM_SUCCESS 0 /* For signaling general success */ 567#define CAM_FAILURE 1 /* For signaling general failure */ 568 569#define CAM_FALSE 0 /* General purpose flag value */ 570#define CAM_TRUE 1 /* General purpose flag value */ 571 572#define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */ 573 574/* The typedef for the Async callback information. This structure is used to 575store the supplied info from the Set Async Callback CCB, in the EDT table 576in a linked list structure. */ 577 578typedef struct async_info 579{ 580 struct async_info* cam_async_next; /* pointer to the next structure */ 581 uint32 cam_event_enable; /* Event enables for Callback resp */ 582 void (*cam_async_func)(); /* Async Callback function address */ 583 uint32 cam_async_blen; /* Length of "information" buffer */ 584 uchar* cam_async_ptr; /* Address for the "information */ 585} ASYNC_INFO; 586 587/* The CAM EDT table contains the device information for all the 588devices, SCSI ID and LUN, for all the SCSI busses in the system. The 589table contains a CAM_EDT_ENTRY structure for each device on the bus. 590*/ 591 592typedef struct cam_edt_entry 593{ 594 int32 cam_tlun_found; /* Flag for the existence of the target/LUN */ 595 ASYNC_INFO* cam_ainfo; /* Async callback list info for this B/T/L */ 596 uint32 cam_owner_tag; /* Tag for the peripheral driver's ownership */ 597 char cam_inq_data[INQLEN]; /* storage for the inquiry data */ 598} CAM_EDT_ENTRY; 599 600 601/* ============================================================================== */ 602/* ----------------------------- VENDOR UNIQUE DATA ----------------------------- */ 603/* ============================================================================== */ 604 605/* --- 606 Vendor unique XPT function codes 607--- */ 608 609#define XPT_EXTENDED_PATH_INQ (XPT_VUNIQUE + 1) /* Extended Path Inquiry */ 610 611/* Extended path inquiry CCB */ 612 613#define FAM_ID 16 /* ASCII string len for FAMILY ID */ 614#define TYPE_ID 16 /* ASCII string len for TYPE ID */ 615#define VERS 8 /* ASCII string len for SIM & HBA vers */ 616 617typedef struct ccb_extended_pathinq 618{ 619 CCB_PATHINQ cam_path; /* Default path inquiry */ 620 char cam_sim_version[VERS]; /* SIM version number */ 621 char cam_hba_version[VERS]; /* HBA version number */ 622 char cam_controller_family[FAM_ID]; /* Controller family */ 623 char cam_controller_type[TYPE_ID]; /* Controller type */ 624} CCB_EXTENDED_PATHINQ; 625 626 627/* --- 628 Vendor unique flags supported by Haiku (cam_vu_flags) 629--- */ 630 631enum { 632 VU_RESERVED_0 = 0x0001, 633 VU_RESERVED_1 = 0x0002, 634 VU_DISABLE_SEL_W_ATN = 0x0004, 635 VU_RESERVED_4 = 0x0008 636}; 637 638 639/* --- 640 XPT interface used by SCSI drivers 641--- */ 642 643typedef struct cam_for_driver_module_info cam_for_driver_module_info; 644 645struct cam_for_driver_module_info { 646 bus_manager_info minfo; 647 CCB_HEADER* (*xpt_ccb_alloc)(void); 648 void (*xpt_ccb_free)(void* ccb); 649 long (*xpt_action)(CCB_HEADER* ccbh); 650}; 651 652#define B_CAM_FOR_DRIVER_MODULE_NAME "bus_managers/scsi/driver/v1" 653 654/* --- 655 XPT interface used by SCSI SIMs 656--- */ 657 658typedef struct cam_for_sim_module_info cam_for_sim_module_info; 659 660struct cam_for_sim_module_info { 661 bus_manager_info minfo; 662 long (*xpt_bus_register)(CAM_SIM_ENTRY* sim); 663 long (*xpt_bus_deregister)(long path); 664}; 665 666#define B_CAM_FOR_SIM_MODULE_NAME "bus_managers/scsi/sim/v1" 667 668 669/* General Union for Kernel Space allocation. Contains all the possible CCB 670structures. This union should never be used for manipulating CCB's its only 671use is for the allocation and deallocation of raw CCB space. */ 672 673typedef union ccb_size_union 674{ 675 CCB_SCSIIO csio; /* Please keep this first, for debug/print */ 676 CCB_GETDEV cgd; 677 CCB_PATHINQ cpi; 678 CCB_RELSIM crs; 679 CCB_SETASYNC csa; 680 CCB_SETDEV csd; 681 CCB_ABORT cab; 682 CCB_RESETBUS crb; 683 CCB_RESETDEV crd; 684 CCB_TERMIO ctio; 685 CCB_EN_LUN cel; 686 CCB_ENABLE_LUN cel2; 687 CCB_IMMED_NOTIFY cin; 688 CCB_NOTIFY_ACK cna; 689 CCB_ACCEPT_TARG cat; 690 CCB_ENG_INQ cei; 691 CCB_ENG_EXEC cee; 692 CCB_EXTENDED_PATHINQ cdpi; 693} CCB_SIZE_UNION; 694 695 696#ifdef __cplusplus 697} 698#endif 699 700#endif 701