diff options
Diffstat (limited to 'sys/dev/ata/atascsi.h')
| -rw-r--r-- | sys/dev/ata/atascsi.h | 60 |
1 files changed, 52 insertions, 8 deletions
diff --git a/sys/dev/ata/atascsi.h b/sys/dev/ata/atascsi.h index 91ee6e2dfae..33c624435f6 100644 --- a/sys/dev/ata/atascsi.h +++ b/sys/dev/ata/atascsi.h @@ -1,4 +1,4 @@ -/* $OpenBSD: atascsi.h,v 1.9 2007/03/20 04:38:11 pascoe Exp $ */ +/* $OpenBSD: atascsi.h,v 1.10 2007/03/20 05:33:02 pascoe Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -43,16 +43,60 @@ struct ata_port { #define ATA_PORT_T_ATAPI 2 }; +/* These offsets correspond with the layout of the SATA Host to Device + * and Device to Host FISes. Do not change them. */ +enum ata_register_map { + REGS_TYPE = 0, + FIS_TYPE = 0, +#define REGS_TYPE_REG_H2D 0x27 +#define REGS_TYPE_REG_D2H 0x34 +#define REGS_TYPE_SDB_D2H 0xA1 + H2D_DEVCTL_OR_COMMAND = 1, +#define H2D_DEVCTL_OR_COMMAND_DEVCTL 0x00 +#define H2D_DEVCTL_OR_COMMAND_COMMAND 0x80 +#define H2D_DEVCTL_OR_COMMAND_PMULT_MSK 0x0f + D2H_INTERRUPT = 1, +#define D2H_INTERRUPT_INTERRUPT 0x40 + H2D_COMMAND = 2, + D2H_STATUS = 2, + H2D_FEATURES = 3, + D2H_ERROR = 3, + SECTOR_NUM = 4, + LBA_LOW = 4, + CYL_LOW = 5, + LBA_MID = 5, + CYL_HIGH = 6, + LBA_HIGH = 6, + DEVICE_HEAD = 7, + DEVICE = 7, + SECTOR_NUM_EXP = 8, + LBA_LOW_EXP = 8, + CYL_LOW_EXP = 9, + LBA_MID_EXP = 9, + CYL_HIGH_EXP = 10, + LBA_HIGH_EXP = 10, + FEATURES_EXP = 11, + SECTOR_COUNT = 12, + SECTOR_COUNT_EXP = 13, + RESERVED_14 = 14, + CONTROL = 15, + RESERVED_16 = 16, + RESERVED_17 = 17, + RESERVED_18 = 18, + RESERVED_19 = 19, + MAX_ATA_REGS = 20 +}; + +struct ata_regs { + u_int8_t regs[MAX_ATA_REGS]; +}; + struct ata_cmd { - u_int8_t command; - u_int8_t head; - u_int16_t cyl; - u_int8_t sector; - u_int8_t count; - u_int8_t features; + struct ata_regs *tx; + struct ata_regs rx_err; + u_int8_t st_bmask; u_int8_t st_pmask; - u_int8_t error; }; struct ata_xfer { |