1*65038Sakito /* 2*65038Sakito * Copyright (c) 1990, 1992, 1993 3*65038Sakito * The Regents of the University of California. All rights reserved. 4*65038Sakito * 5*65038Sakito * This code is derived from software contributed to Berkeley by 6*65038Sakito * Van Jacobson of Lawrence Berkeley Laboratory. 7*65038Sakito * 8*65038Sakito * %sccs.include.redist.c% 9*65038Sakito * 10*65038Sakito * @(#)screg.h 8.1 (Berkeley) 12/06/93 11*65038Sakito */ 12*65038Sakito 13*65038Sakito /* 14*65038Sakito * MB89352 SCSI Protocol Controller Hardware Description. 15*65038Sakito */ 16*65038Sakito 17*65038Sakito struct scsidevice { 18*65038Sakito u_char scsi_bdid, p0, p1, p2; /* 000 */ 19*65038Sakito u_char scsi_sctl, p3, p4, p5; /* 004 */ 20*65038Sakito #define SCTL_DISABLE 0x80 21*65038Sakito #define SCTL_CTRLRST 0x40 22*65038Sakito #define SCTL_DIAG 0x20 23*65038Sakito #define SCTL_ABRT_ENAB 0x10 24*65038Sakito #define SCTL_PARITY_ENAB 0x08 25*65038Sakito #define SCTL_SEL_ENAB 0x04 26*65038Sakito #define SCTL_RESEL_ENAB 0x02 27*65038Sakito #define SCTL_INTR_ENAB 0x01 28*65038Sakito u_char scsi_scmd, p6, p7, p8; /* 008 */ 29*65038Sakito #define SCMD_RST 0x10 30*65038Sakito #define SCMD_ICPT_XFR 0x08 31*65038Sakito #define SCMD_PROG_XFR 0x04 32*65038Sakito #define SCMD_PAD 0x01 /* if initiator */ 33*65038Sakito #define SCMD_PERR_STOP 0x01 /* if target */ 34*65038Sakito /* command codes */ 35*65038Sakito #define SCMD_BUS_REL 0x00 36*65038Sakito #define SCMD_SELECT 0x20 37*65038Sakito #define SCMD_RST_ATN 0x40 38*65038Sakito #define SCMD_SET_ATN 0x60 39*65038Sakito #define SCMD_XFR 0x80 40*65038Sakito #define SCMD_XFR_PAUSE 0xa0 41*65038Sakito #define SCMD_RST_ACK 0xc0 42*65038Sakito #define SCMD_SET_ACK 0xe0 43*65038Sakito u_char scsi_tmod, p9, p10, p11; /* 00C */ 44*65038Sakito #define TMOD_SYNC 0x80 45*65038Sakito u_char scsi_ints, p12, p13, p14; /* 010 */ 46*65038Sakito #define INTS_SEL 0x80 47*65038Sakito #define INTS_RESEL 0x40 48*65038Sakito #define INTS_DISCON 0x20 49*65038Sakito #define INTS_CMD_DONE 0x10 50*65038Sakito #define INTS_SRV_REQ 0x08 51*65038Sakito #define INTS_TIMEOUT 0x04 52*65038Sakito #define INTS_HARD_ERR 0x02 53*65038Sakito #define INTS_RST 0x01 54*65038Sakito u_char scsi_psns, p15, p16, p17; /* 014 */ 55*65038Sakito #define PSNS_REQ 0x80 56*65038Sakito #define PSNS_ACK 0x40 57*65038Sakito #define PSNS_ATN 0x20 58*65038Sakito #define PSNS_SEL 0x10 59*65038Sakito #define PSNS_BSY 0x08 60*65038Sakito #define scsi_sdgc scsi_psns 61*65038Sakito #define SDGC_XFER_ENAB 0x20 62*65038Sakito u_char scsi_ssts, p18, p19, p20; /* 018 */ 63*65038Sakito #define SSTS_INITIATOR 0x80 64*65038Sakito #define SSTS_TARGET 0x40 65*65038Sakito #define SSTS_BUSY 0x20 66*65038Sakito #define SSTS_XFR 0x10 67*65038Sakito #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) 68*65038Sakito #define SSTS_RST 0x08 69*65038Sakito #define SSTS_TCZERO 0x04 70*65038Sakito #define SSTS_DREG_FULL 0x02 71*65038Sakito #define SSTS_DREG_EMPTY 0x01 72*65038Sakito u_char scsi_serr, p21, p22, p23; /* 01C */ 73*65038Sakito #define SERR_SCSI_PAR 0x80 74*65038Sakito #define SERR_SPC_PAR 0x40 75*65038Sakito #define SERR_XFER_OUT 0x20 76*65038Sakito #define SERR_TC_PAR 0x08 77*65038Sakito #define SERR_PHASE_ERR 0x04 78*65038Sakito #define SERR_SHORT_XFR 0x02 79*65038Sakito #define SERR_OFFSET 0x01 80*65038Sakito u_char scsi_pctl, p24, p25, p26; /* 020 */ 81*65038Sakito #define PCTL_BFINT_ENAB 0x80 82*65038Sakito u_char scsi_mbc, p27, p28, p29; /* 024 */ 83*65038Sakito u_char scsi_dreg, p30, p31, p32; /* 028 */ 84*65038Sakito u_char scsi_temp, p33, p34, p35; /* 02C */ 85*65038Sakito u_char scsi_tch, p36, p37, p38; /* 030 */ 86*65038Sakito u_char scsi_tcm, p39, p40, p41; /* 034 */ 87*65038Sakito u_char scsi_tcl, p42, p43, p44; /* 038 */ 88*65038Sakito u_char scsi_exbf, p45, p46, p47; /* 03C */ 89*65038Sakito }; 90*65038Sakito 91*65038Sakito /* psns/pctl phase lines as bits */ 92*65038Sakito #define PHASE_MSG 0x04 93*65038Sakito #define PHASE_CD 0x02 /* =1 if 'command' */ 94*65038Sakito #define PHASE_IO 0x01 /* =1 if data inbound */ 95*65038Sakito /* Phase lines as values */ 96*65038Sakito #define PHASE 0x07 /* mask for psns/pctl phase */ 97*65038Sakito #define DATA_OUT_PHASE 0x00 98*65038Sakito #define DATA_IN_PHASE 0x01 99*65038Sakito #define CMD_PHASE 0x02 100*65038Sakito #define STATUS_PHASE 0x03 101*65038Sakito #define BUS_FREE_PHASE 0x04 102*65038Sakito #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ 103*65038Sakito #define MESG_OUT_PHASE 0x06 104*65038Sakito #define MESG_IN_PHASE 0x07 105*65038Sakito 106*65038Sakito /* SCSI Messages */ 107*65038Sakito 108*65038Sakito #define MSG_CMD_COMPLETE 0x00 109*65038Sakito #define MSG_EXT_MESSAGE 0x01 110*65038Sakito #define MSG_SAVE_DATA_PTR 0x02 111*65038Sakito #define MSG_RESTORE_PTR 0x03 112*65038Sakito #define MSG_DISCONNECT 0x04 113*65038Sakito #define MSG_INIT_DETECT_ERROR 0x05 114*65038Sakito #define MSG_ABORT 0x06 115*65038Sakito #define MSG_REJECT 0x07 116*65038Sakito #define MSG_NOOP 0x08 117*65038Sakito #define MSG_PARITY_ERROR 0x09 118*65038Sakito #define MSG_BUS_DEVICE_RESET 0x0C 119*65038Sakito #define MSG_IDENTIFY 0x80 120*65038Sakito #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ 121*65038Sakito #define MSG_SYNC_REQ 0x01 122*65038Sakito 123*65038Sakito /* SCSI Commands */ 124*65038Sakito 125*65038Sakito #define CMD_TEST_UNIT_READY 0x00 126*65038Sakito #define CMD_REQUEST_SENSE 0x03 127*65038Sakito #define CMD_INQUIRY 0x12 128*65038Sakito #define CMD_SEND_DIAGNOSTIC 0x1D 129*65038Sakito 130*65038Sakito #define CMD_REWIND 0x01 131*65038Sakito #define CMD_FORMAT_UNIT 0x04 132*65038Sakito #define CMD_READ_BLOCK_LIMITS 0x05 133*65038Sakito #define CMD_REASSIGN_BLOCKS 0x07 134*65038Sakito #define CMD_READ 0x08 135*65038Sakito #define CMD_WRITE 0x0A 136*65038Sakito #define CMD_WRITE_FILEMARK 0x10 137*65038Sakito #define CMD_SPACE 0x11 138*65038Sakito #define CMD_MODE_SELECT 0x15 139*65038Sakito #define CMD_RELEASE_UNIT 0x17 140*65038Sakito #define CMD_ERASE 0x19 141*65038Sakito #define CMD_MODE_SENSE 0x1A 142*65038Sakito #define CMD_LOADUNLOAD 0x1B 143*65038Sakito #define CMD_RECEIVE_DIAG 0x1C 144*65038Sakito #define CMD_SEND_DIAG 0x1D 145*65038Sakito #define CMD_P_A_MEDIA_REMOVAL 0x1E 146*65038Sakito #define CMD_READ_CAPACITY 0x25 147*65038Sakito #define CMD_READ_EXT 0x28 148*65038Sakito #define CMD_WRITE_EXT 0x2A 149*65038Sakito #define CMD_READ_DEFECT_DATA 0x37 150*65038Sakito #define SD_MANUFAC_DEFECTS 0x14000000 151*65038Sakito #define SD_GROWN_DEFECTS 0x0c000000 152*65038Sakito #define CMD_READ_BUFFER 0x3B 153*65038Sakito #define CMD_WRITE_BUFFER 0x3C 154*65038Sakito #define CMD_READ_FULL 0xF0 155*65038Sakito #define CMD_MEDIA_TEST 0xF1 156*65038Sakito #define CMD_ACCESS_LOG 0xF2 157*65038Sakito #define CMD_WRITE_FULL 0xFC 158*65038Sakito #define CMD_MANAGE_PRIMARY 0xFD 159*65038Sakito #define CMD_EXECUTE_DATA 0xFE 160*65038Sakito 161*65038Sakito /* SCSI status bits */ 162*65038Sakito 163*65038Sakito #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ 164*65038Sakito #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ 165*65038Sakito #define STS_BUSY 0x08 166*65038Sakito #define STS_INTERMED 0x10 /* Intermediate status sent */ 167*65038Sakito #define STS_EXT 0x80 /* Extended status valid */ 168*65038Sakito 169*65038Sakito /* command descriptor blocks */ 170*65038Sakito 171*65038Sakito struct scsi_cdb6 { 172*65038Sakito u_char cmd; /* command code */ 173*65038Sakito u_char lun: 3, /* logical unit on ctlr */ 174*65038Sakito lbah: 5; /* msb of read/write logical block addr */ 175*65038Sakito u_char lbam; /* middle byte of l.b.a. */ 176*65038Sakito u_char lbal; /* lsb of l.b.a. */ 177*65038Sakito u_char len; /* transfer length */ 178*65038Sakito u_char xtra; 179*65038Sakito }; 180*65038Sakito 181*65038Sakito struct scsi_cdb10 { 182*65038Sakito u_char cmd; /* command code */ 183*65038Sakito u_char lun: 3, /* logical unit on ctlr */ 184*65038Sakito : 4, 185*65038Sakito rel: 1; /* l.b.a. is relative addr if =1 */ 186*65038Sakito u_char lbah; /* msb of read/write logical block addr */ 187*65038Sakito u_char lbahm; /* high middle byte of l.b.a. */ 188*65038Sakito u_char lbalm; /* low middle byte of l.b.a. */ 189*65038Sakito u_char lbal; /* lsb of l.b.a. */ 190*65038Sakito u_char reserved; 191*65038Sakito u_char lenh; /* msb transfer length */ 192*65038Sakito u_char lenl; /* lsb transfer length */ 193*65038Sakito u_char xtra; 194*65038Sakito }; 195*65038Sakito 196*65038Sakito /* basic sense data */ 197*65038Sakito 198*65038Sakito struct scsi_sense { 199*65038Sakito u_char valid: 1, /* l.b.a. is valid */ 200*65038Sakito class: 3, 201*65038Sakito code: 4; 202*65038Sakito u_char vu: 4, /* vendor unique */ 203*65038Sakito lbah: 4; 204*65038Sakito u_char lbam; 205*65038Sakito u_char lbal; 206*65038Sakito }; 207*65038Sakito 208*65038Sakito struct scsi_xsense { 209*65038Sakito u_char valid: 1, /* l.b.a. is valid */ 210*65038Sakito class: 3, 211*65038Sakito code: 4; 212*65038Sakito u_char segment; 213*65038Sakito u_char filemark: 1, 214*65038Sakito eom: 1, 215*65038Sakito ili: 1, /* illegal length indicator */ 216*65038Sakito rsvd: 1, 217*65038Sakito key: 4; 218*65038Sakito u_char info1; 219*65038Sakito u_char info2; 220*65038Sakito u_char info3; 221*65038Sakito u_char info4; 222*65038Sakito u_char len; /* additional sense length */ 223*65038Sakito }; 224*65038Sakito 225*65038Sakito /* inquiry data */ 226*65038Sakito struct scsi_inquiry { 227*65038Sakito u_char type; 228*65038Sakito u_char qual; 229*65038Sakito u_char version; 230*65038Sakito u_char rsvd; 231*65038Sakito u_char len; 232*65038Sakito char class[3]; 233*65038Sakito char vendor_id[8]; 234*65038Sakito char product_id[16]; 235*65038Sakito char rev[4]; 236*65038Sakito }; 237*65038Sakito 238*65038Sakito struct scsi_format_parms { /* physical BFI format */ 239*65038Sakito u_short reserved; 240*65038Sakito u_short list_len; 241*65038Sakito struct defect { 242*65038Sakito unsigned cyl : 24; 243*65038Sakito unsigned head : 8; 244*65038Sakito long bytes_from_index; 245*65038Sakito } defect[127]; 246*65038Sakito } format_parms; 247*65038Sakito 248*65038Sakito struct scsi_reassign_parms { 249*65038Sakito u_short reserved; 250*65038Sakito u_short list_len; /* length in bytes of defects only */ 251*65038Sakito struct new_defect { 252*65038Sakito unsigned lba; /* logical block address */ 253*65038Sakito } new_defect[2]; 254*65038Sakito } reassign_parms; 255*65038Sakito 256*65038Sakito struct scsi_modesel_hdr { 257*65038Sakito u_char rsvd1; 258*65038Sakito u_char media_type; 259*65038Sakito u_char rsvd2; 260*65038Sakito u_char block_desc_len; 261*65038Sakito u_int density : 8; 262*65038Sakito u_int number_blocks :24; 263*65038Sakito u_int rsvd3 : 8; 264*65038Sakito u_int block_length :24; 265*65038Sakito }; 266*65038Sakito 267*65038Sakito struct scsi_modesense_hdr { 268*65038Sakito u_char len; 269*65038Sakito u_char media_type; 270*65038Sakito u_char wp : 1; 271*65038Sakito u_char rsvd1 : 7; 272*65038Sakito u_char block_desc_len; 273*65038Sakito u_int density : 8; 274*65038Sakito u_int number_blocks :24; 275*65038Sakito u_int rsvd2 : 8; 276*65038Sakito u_int block_length :24; 277*65038Sakito }; 278*65038Sakito 279*65038Sakito /* 280*65038Sakito * Mode Select / Mode sense "pages" 281*65038Sakito */ 282*65038Sakito 283*65038Sakito /* 284*65038Sakito * Page One - Error Recovery Parameters 285*65038Sakito */ 286*65038Sakito struct scsi_err_recovery { 287*65038Sakito u_char page_savable : 1; /* save parameters */ 288*65038Sakito u_char reserved : 1; 289*65038Sakito u_char page_code : 6; /* = 0x01 */ 290*65038Sakito u_char page_length; /* = 6 */ 291*65038Sakito u_char awre : 1; /* auto write realloc enabled */ 292*65038Sakito u_char arre : 1; /* auto read realloc enabled */ 293*65038Sakito u_char tb : 1; /* transfer block */ 294*65038Sakito u_char rc : 1; /* read continuous */ 295*65038Sakito u_char eec : 1; /* enable early correction */ 296*65038Sakito u_char per : 1; /* post error */ 297*65038Sakito u_char dte : 1; /* disable transfer on error */ 298*65038Sakito u_char dcr : 1; /* disable correction */ 299*65038Sakito u_char retry_count; 300*65038Sakito u_char correction_span; 301*65038Sakito u_char head_offset_count; 302*65038Sakito u_char strobe_offset_count; 303*65038Sakito u_char recovery_time_limit; 304*65038Sakito }; 305*65038Sakito 306*65038Sakito /* 307*65038Sakito * Page Two - Disconnect / Reconnect Control Parameters 308*65038Sakito */ 309*65038Sakito struct scsi_disco_reco { 310*65038Sakito u_char page_savable : 1; /* save parameters */ 311*65038Sakito u_char rsvd : 1; 312*65038Sakito u_char page_code : 6; /* = 0x02 */ 313*65038Sakito u_char page_length; /* = 10 */ 314*65038Sakito u_char buffer_full_ratio; /* write, how full before reconnect? */ 315*65038Sakito u_char buffer_empty_ratio; /* read, how full before reconnect? */ 316*65038Sakito 317*65038Sakito u_short bus_inactivity_limit; /* how much bus time for busy */ 318*65038Sakito u_short disconnect_time_limit; /* min to remain disconnected */ 319*65038Sakito u_short connect_time_limit; /* min to remain connected */ 320*65038Sakito u_short reserved_1; 321*65038Sakito }; 322*65038Sakito 323*65038Sakito /* 324*65038Sakito * Page Three - Direct Access Device Format Parameters 325*65038Sakito */ 326*65038Sakito struct scsi_format { 327*65038Sakito u_char page_savable : 1; /* save parameters */ 328*65038Sakito u_char rsvd : 1; 329*65038Sakito u_char page_code : 6; /* = 0x03 */ 330*65038Sakito u_char page_length; /* = 22 */ 331*65038Sakito u_short tracks_per_zone; /* Handling of Defects Fields */ 332*65038Sakito u_short alt_sect_zone; 333*65038Sakito u_short alt_tracks_zone; 334*65038Sakito u_short alt_tracks_vol; 335*65038Sakito u_short sect_track; /* Track Format Field */ 336*65038Sakito u_short data_sect; /* Sector Format Fields */ 337*65038Sakito u_short interleave; 338*65038Sakito u_short track_skew_factor; 339*65038Sakito u_short cyl_skew_factor; 340*65038Sakito u_char ssec : 1; /* Drive Type Field */ 341*65038Sakito u_char hsec : 1; 342*65038Sakito u_char rmb : 1; 343*65038Sakito u_char surf : 1; 344*65038Sakito u_char ins : 1; 345*65038Sakito u_char reserved_1 : 3; 346*65038Sakito u_char reserved_2; 347*65038Sakito u_char reserved_3; 348*65038Sakito u_char reserved_4; 349*65038Sakito }; 350*65038Sakito 351*65038Sakito /* 352*65038Sakito * Page Four - Rigid Disk Drive Geometry Parameters 353*65038Sakito */ 354*65038Sakito struct scsi_geometry { 355*65038Sakito u_char page_savable : 1; /* save parameters */ 356*65038Sakito u_char rsvd : 1; 357*65038Sakito u_char page_code : 6; /* = 0x04 */ 358*65038Sakito u_char page_length; /* = 18 */ 359*65038Sakito u_char cyl_ub; /* number of cylinders */ 360*65038Sakito u_char cyl_mb; 361*65038Sakito u_char cyl_lb; 362*65038Sakito u_char heads; /* number of heads */ 363*65038Sakito u_char precomp_cyl_ub; /* cylinder to start precomp */ 364*65038Sakito u_char precomp_cyl_mb; 365*65038Sakito u_char precomp_cyl_lb; 366*65038Sakito u_char current_cyl_ub; /* cyl to start reduced current */ 367*65038Sakito u_char current_cyl_mb; 368*65038Sakito u_char current_cyl_lb; 369*65038Sakito u_short step_rate; /* drive step rate */ 370*65038Sakito u_char landing_cyl_ub; /* landing zone cylinder */ 371*65038Sakito u_char landing_cyl_mb; 372*65038Sakito u_char landing_cyl_lb; 373*65038Sakito u_char reserved_1; 374*65038Sakito u_char reserved_2; 375*65038Sakito u_char reserved_3; 376*65038Sakito }; 377*65038Sakito 378*65038Sakito /* 379*65038Sakito * Page 0x38 - Cache Control Parameters 380*65038Sakito */ 381*65038Sakito struct scsi_cache { 382*65038Sakito u_char page_savable : 1; /* save parameters */ 383*65038Sakito u_char rsvd : 1; 384*65038Sakito u_char page_code : 6; /* = 0x38 */ 385*65038Sakito u_char page_length; /* = 14 */ 386*65038Sakito u_char rsvd_1 : 1; 387*65038Sakito u_char wie : 1; /* write index enable */ 388*65038Sakito u_char rsvd_2 : 1; 389*65038Sakito u_char ce : 1; /* cache enable */ 390*65038Sakito u_char table_size : 4; 391*65038Sakito u_char prefetch_threshold; 392*65038Sakito u_char maximum_threshold; 393*65038Sakito u_char maximumprefetch_multiplier; 394*65038Sakito u_char minimum_threshold; 395*65038Sakito u_char minimum_prefetch_multiplier; 396*65038Sakito u_char reserved[8]; 397*65038Sakito }; 398*65038Sakito 399*65038Sakito /* 400*65038Sakito * Driver ioctl's for various scsi operations. 401*65038Sakito */ 402*65038Sakito #ifndef _IOCTL_ 403*65038Sakito #include <sys/ioctl.h> 404*65038Sakito #endif 405*65038Sakito 406*65038Sakito /* 407*65038Sakito * Control for SCSI "format" mode. 408*65038Sakito * 409*65038Sakito * "Format" mode allows a privileged process to issue direct SCSI 410*65038Sakito * commands to a drive (it is intended primarily to allow on-line 411*65038Sakito * formatting). SDIOCSFORMAT with a non-zero arg will put the drive 412*65038Sakito * into format mode; a zero arg will take it out. When in format 413*65038Sakito * mode, only the process that issued the SDIOCFORMAT can read or 414*65038Sakito * write the drive. 415*65038Sakito * 416*65038Sakito * In format mode, process is expected to 417*65038Sakito * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op 418*65038Sakito * - do read or write as appropriate for cdb 419*65038Sakito * - if i/o error, optionally do SDIOCSENSE to get completion 420*65038Sakito * status and sense data from last scsi operation. 421*65038Sakito */ 422*65038Sakito 423*65038Sakito struct scsi_fmt_cdb { 424*65038Sakito int len; /* cdb length (in bytes) */ 425*65038Sakito u_char cdb[28]; /* cdb to use on next read/write */ 426*65038Sakito }; 427*65038Sakito 428*65038Sakito struct scsi_fmt_sense { 429*65038Sakito u_int status; /* completion status of last op */ 430*65038Sakito u_char sense[28]; /* sense data (if any) from last op */ 431*65038Sakito }; 432*65038Sakito 433*65038Sakito #define SDIOCSFORMAT _IOW('S', 0x1, int) 434*65038Sakito #define SDIOCGFORMAT _IOR('S', 0x2, int) 435*65038Sakito #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb) 436*65038Sakito #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense) 437