Annotation of sys/dev/isa/ahareg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ahareg.h,v 1.4 2002/06/07 20:41:06 niklas Exp $ */
! 2: typedef u_int8_t physaddr[3];
! 3: typedef u_int8_t physlen[3];
! 4: #define ltophys _lto3b
! 5: #define phystol _3btol
! 6:
! 7: /*
! 8: * I/O port offsets
! 9: */
! 10: #define AHA_CTRL_PORT 0 /* control (wo) */
! 11: #define AHA_STAT_PORT 0 /* status (ro) */
! 12: #define AHA_CMD_PORT 1 /* command (wo) */
! 13: #define AHA_DATA_PORT 1 /* data (ro) */
! 14: #define AHA_INTR_PORT 2 /* interrupt status (ro) */
! 15:
! 16: /*
! 17: * AHA_CTRL bits
! 18: */
! 19: #define AHA_CTRL_HRST 0x80 /* Hardware reset */
! 20: #define AHA_CTRL_SRST 0x40 /* Software reset */
! 21: #define AHA_CTRL_IRST 0x20 /* Interrupt reset */
! 22: #define AHA_CTRL_SCRST 0x10 /* SCSI bus reset */
! 23:
! 24: /*
! 25: * AHA_STAT bits
! 26: */
! 27: #define AHA_STAT_STST 0x80 /* Self test in Progress */
! 28: #define AHA_STAT_DIAGF 0x40 /* Diagnostic Failure */
! 29: #define AHA_STAT_INIT 0x20 /* Mbx Init required */
! 30: #define AHA_STAT_IDLE 0x10 /* Host Adapter Idle */
! 31: #define AHA_STAT_CDF 0x08 /* cmd/data out port full */
! 32: #define AHA_STAT_DF 0x04 /* Data in port full */
! 33: #define AHA_STAT_INVDCMD 0x01 /* Invalid command */
! 34:
! 35: /*
! 36: * AHA_CMD opcodes
! 37: */
! 38: #define AHA_NOP 0x00 /* No operation */
! 39: #define AHA_MBX_INIT 0x01 /* Mbx initialization */
! 40: #define AHA_START_SCSI 0x02 /* start scsi command */
! 41: #define AHA_INQUIRE_REVISION 0x04 /* Adapter Inquiry */
! 42: #define AHA_MBO_INTR_EN 0x05 /* Enable MBO available interrupt */
! 43: #if 0
! 44: #define AHA_SEL_TIMEOUT_SET 0x06 /* set selection time-out */
! 45: #define AHA_BUS_ON_TIME_SET 0x07 /* set bus-on time */
! 46: #define AHA_BUS_OFF_TIME_SET 0x08 /* set bus-off time */
! 47: #define AHA_SPEED_SET 0x09 /* set transfer speed */
! 48: #endif
! 49: #define AHA_INQUIRE_DEVICES 0x0a /* return installed devices 0-7 */
! 50: #define AHA_INQUIRE_CONFIG 0x0b /* return configuration data */
! 51: #define AHA_TARGET_EN 0x0c /* enable target mode */
! 52: #define AHA_INQUIRE_SETUP 0x0d /* return setup data */
! 53: #define AHA_ECHO 0x1e /* Echo command data */
! 54: #define AHA_INQUIRE_DEVICES_2 0x23 /* return installed devices 8-15 */
! 55: #define AHA_EXT_BIOS 0x28 /* return extended bios info */
! 56: #define AHA_MBX_ENABLE 0x29 /* enable mail box interface */
! 57:
! 58: /*
! 59: * AHA_INTR bits
! 60: */
! 61: #define AHA_INTR_ANYINTR 0x80 /* Any interrupt */
! 62: #define AHA_INTR_SCRD 0x08 /* SCSI reset detected */
! 63: #define AHA_INTR_HACC 0x04 /* Command complete */
! 64: #define AHA_INTR_MBOA 0x02 /* MBX out empty */
! 65: #define AHA_INTR_MBIF 0x01 /* MBX in full */
! 66:
! 67: struct aha_mbx_out {
! 68: u_char cmd;
! 69: physaddr ccb_addr;
! 70: };
! 71:
! 72: struct aha_mbx_in {
! 73: u_char stat;
! 74: physaddr ccb_addr;
! 75: };
! 76:
! 77: /*
! 78: * mbo.cmd values
! 79: */
! 80: #define AHA_MBO_FREE 0x0 /* MBO entry is free */
! 81: #define AHA_MBO_START 0x1 /* MBO activate entry */
! 82: #define AHA_MBO_ABORT 0x2 /* MBO abort entry */
! 83:
! 84: /*
! 85: * mbi.stat values
! 86: */
! 87: #define AHA_MBI_FREE 0x0 /* MBI entry is free */
! 88: #define AHA_MBI_OK 0x1 /* completed without error */
! 89: #define AHA_MBI_ABORT 0x2 /* aborted ccb */
! 90: #define AHA_MBI_UNKNOWN 0x3 /* Tried to abort invalid CCB */
! 91: #define AHA_MBI_ERROR 0x4 /* Completed with error */
! 92:
! 93: /* FOR OLD VERSIONS OF THE !%$@ this may have to be 16 (yuk) */
! 94: #define AHA_NSEG 17 /* Number of scatter gather segments <= 16 */
! 95: /* allow 64 K i/o (min) */
! 96:
! 97: struct aha_scat_gath {
! 98: physlen seg_len;
! 99: physaddr seg_addr;
! 100: };
! 101:
! 102: struct aha_ccb {
! 103: u_char opcode;
! 104: u_char lun:3;
! 105: u_char data_in:1; /* must be 0 */
! 106: u_char data_out:1; /* must be 0 */
! 107: u_char target:3;
! 108: u_char scsi_cmd_length;
! 109: u_char req_sense_length;
! 110: physlen data_length;
! 111: physaddr data_addr;
! 112: physaddr link_addr;
! 113: u_char link_id;
! 114: u_char host_stat;
! 115: u_char target_stat;
! 116: u_char reserved[2];
! 117: struct scsi_generic scsi_cmd;
! 118: struct scsi_sense_data scsi_sense;
! 119: struct aha_scat_gath scat_gath[AHA_NSEG];
! 120: /*----------------------------------------------------------------*/
! 121: #define CCB_PHYS_SIZE ((int)&((struct aha_ccb *)0)->chain)
! 122: TAILQ_ENTRY(aha_ccb) chain;
! 123: struct aha_ccb *nexthash;
! 124: struct scsi_xfer *xs; /* the scsi_xfer for this cmd */
! 125: int flags;
! 126: #define CCB_ALLOC 0x01
! 127: #define CCB_ABORT 0x02
! 128: #ifdef AHADIAG
! 129: #define CCB_SENDING 0x04
! 130: #endif
! 131: int timeout;
! 132: bus_dmamap_t dmam;
! 133: bus_dmamap_t ccb_dmam;
! 134: };
! 135:
! 136: /*
! 137: * opcode fields
! 138: */
! 139: #define AHA_INITIATOR_CCB 0x00 /* SCSI Initiator CCB */
! 140: #define AHA_TARGET_CCB 0x01 /* SCSI Target CCB */
! 141: #define AHA_INIT_SCAT_GATH_CCB 0x02 /* SCSI Initiator with scatter gather */
! 142: #define AHA_RESET_CCB 0x81 /* SCSI Bus reset */
! 143:
! 144: /*
! 145: * aha_ccb.host_stat values
! 146: */
! 147: #define AHA_OK 0x00 /* cmd ok */
! 148: #define AHA_LINK_OK 0x0a /* Link cmd ok */
! 149: #define AHA_LINK_IT 0x0b /* Link cmd ok + int */
! 150: #define AHA_SEL_TIMEOUT 0x11 /* Selection time out */
! 151: #define AHA_OVER_UNDER 0x12 /* Data over/under run */
! 152: #define AHA_BUS_FREE 0x13 /* Bus dropped at unexpected time */
! 153: #define AHA_INV_BUS 0x14 /* Invalid bus phase/sequence */
! 154: #define AHA_BAD_MBO 0x15 /* Incorrect MBO cmd */
! 155: #define AHA_BAD_CCB 0x16 /* Incorrect ccb opcode */
! 156: #define AHA_BAD_LINK 0x17 /* Not same values of LUN for links */
! 157: #define AHA_INV_TARGET 0x18 /* Invalid target direction */
! 158: #define AHA_CCB_DUP 0x19 /* Duplicate CCB received */
! 159: #define AHA_INV_CCB 0x1a /* Invalid CCB or segment list */
! 160:
! 161: struct aha_revision {
! 162: struct {
! 163: u_char opcode;
! 164: } cmd;
! 165: struct {
! 166: u_char boardid; /* type of board */
! 167: /* 0x31 = AHA-1540 */
! 168: /* 0x41 = AHA-1540A/1542A/1542B */
! 169: /* 0x42 = AHA-1640 */
! 170: /* 0x43 = AHA-1542C */
! 171: /* 0x44 = AHA-1542CF */
! 172: /* 0x45 = AHA-1542CF, BIOS v2.01 */
! 173: /* 0x46 = AHA-1542CP */
! 174: u_char spec_opts; /* special options ID */
! 175: /* 0x41 = Board is standard model */
! 176: u_char revision_1; /* firmware revision [0-9A-Z] */
! 177: u_char revision_2; /* firmware revision [0-9A-Z] */
! 178: } reply;
! 179: };
! 180:
! 181: struct aha_extbios {
! 182: struct {
! 183: u_char opcode;
! 184: } cmd;
! 185: struct {
! 186: u_char flags; /* Bit 3 == 1 extended bios enabled */
! 187: u_char mailboxlock; /* mail box lock code to unlock it */
! 188: } reply;
! 189: };
! 190:
! 191: struct aha_toggle {
! 192: struct {
! 193: u_char opcode;
! 194: u_char enable;
! 195: } cmd;
! 196: };
! 197:
! 198: struct aha_config {
! 199: struct {
! 200: u_char opcode;
! 201: } cmd;
! 202: struct {
! 203: u_char chan;
! 204: u_char intr;
! 205: u_char scsi_dev:3;
! 206: u_char :5;
! 207: } reply;
! 208: };
! 209:
! 210: struct aha_mailbox {
! 211: struct {
! 212: u_char opcode;
! 213: u_char nmbx;
! 214: physaddr addr;
! 215: } cmd;
! 216: };
! 217:
! 218: struct aha_unlock {
! 219: struct {
! 220: u_char opcode;
! 221: u_char junk;
! 222: u_char magic;
! 223: } cmd;
! 224: };
! 225:
! 226: struct aha_devices {
! 227: struct {
! 228: u_char opcode;
! 229: } cmd;
! 230: struct {
! 231: u_char junk[8];
! 232: } reply;
! 233: };
! 234:
! 235: struct aha_setup {
! 236: struct {
! 237: u_char opcode;
! 238: u_char len;
! 239: } cmd;
! 240: struct {
! 241: u_char sync_neg:1;
! 242: u_char parity:1;
! 243: u_char :6;
! 244: u_char speed;
! 245: u_char bus_on;
! 246: u_char bus_off;
! 247: u_char num_mbx;
! 248: u_char mbx[3];
! 249: struct {
! 250: u_char offset:4;
! 251: u_char period:3;
! 252: u_char valid:1;
! 253: } sync[8];
! 254: u_char disc_sts;
! 255: } reply;
! 256: };
! 257:
! 258: #define INT9 0x01
! 259: #define INT10 0x02
! 260: #define INT11 0x04
! 261: #define INT12 0x08
! 262: #define INT14 0x20
! 263: #define INT15 0x40
! 264:
! 265: #define EISADMA 0x00
! 266: #define CHAN0 0x01
! 267: #define CHAN5 0x20
! 268: #define CHAN6 0x40
! 269: #define CHAN7 0x80
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to ahareg.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / isa