Subversion Repositories Kolibri OS

        ccc_pts               dd ?                    ; 0x18, Command completion coalescing ports

        ccc_pts               dd ?                    ; 0x18, Command completion coalescing ports

        em_loc                dd ?                    ; 0x1C, Enclosure management location

        em_loc                dd ?                    ; 0x1C, Enclosure management location

        em_ctl                dd ?                    ; 0x20, Enclosure management control

        em_ctl                dd ?                    ; 0x20, Enclosure management control

        cap2                  dd ?                    ; 0x24, Host capabilities extended

        cap2                  dd ?                    ; 0x24, Host capabilities extended

        bohc                  dd ?                    ; 0x28, BIOS/OS handoff control and status

        bohc                  dd ?                    ; 0x28, BIOS/OS handoff control and status

        ports                 rb (sizeof.HBA_PORT*AHCI_MAX_PORTS) ; 0x100 - 0x10FF, Port control registers, max AHCI_MAX_PORTS

        ports                 rb (sizeof.HBA_PORT*AHCI_MAX_PORTS) ; 0x100 - 0x10FF, Port control registers, max AHCI_MAX_PORTS

ends

ends

; Port Control registers

; Port Control registers

    prdtl         dw ? ; Physical region descriptor table length in entries

    prdtl         dw ? ; Physical region descriptor table length in entries

    prdbc         dd ? ; Physical region descriptor byte count transferred

    prdbc         dd ? ; Physical region descriptor byte count transferred

    ctba          dd ? ; Command table descriptor base address

    ctba          dd ? ; Command table descriptor base address

    rsv1          rd 4 ; Reserved

                  rd 4 ; Reserved

ends

ends

struct HBA_PRDT_ENTRY

struct HBA_PRDT_ENTRY

    dbau          dd ?  ; Data base address upper 32 bits

    dbau          dd ?  ; Data base address upper 32 bits

    rsv0          dd ?  ; Reserved

                  dd ?  ; Reserved

    _flags        dd ?  ; 0bIR..RD..D, I (1 bit) - Interrupt on completion,

    _flags        dd ?  ; 0bIR..RD..D, I (1 bit) - Interrupt on completion,

                        ; R (9 bits) - Reserved, D (22 bits) - Byte count, 4M max

                        ; R (9 bits) - Reserved, D (22 bits) - Byte count, 4M max

ends

ends

    cfis          rb 64 ; 0x00, Command FIS

    cfis          rb 64 ; 0x00, Command FIS

    acmd          rb 16 ; 0x40, ATAPI command, 12 or 16 bytes

    acmd          rb 16 ; 0x40, ATAPI command, 12 or 16 bytes

    rsv           rb 48 ; 0x50, Reserved

                  rb 48 ; 0x50, Reserved

    prdt_entry    HBA_PRDT_ENTRY  ; 0x80, Physical region descriptor table entries, 0 ~ 65535

    prdt_entry    HBA_PRDT_ENTRY  ; 0x80, Physical region descriptor table entries, 0 ~ 65535

        countl        db ?       ; Count register, 7:0

        countl        db ?       ; Count register, 7:0

        counth        db ?       ; Count register, 15:8

        counth        db ?       ; Count register, 15:8

        icc           db ?       ; Isochronous command completion

        icc           db ?       ; Isochronous command completion

        control       db ?       ; Control register

        control       db ?       ; Control register

        rsv1          rb 4       ; Reserved

                      rb 4       ; Reserved

ends

ends

; Register FIS – Device to Host

; Register FIS – Device to Host

    device        db ?           ; Device register

    device        db ?           ; Device register

    lba3          db ?           ; LBA register, 31:24

    lba3          db ?           ; LBA register, 31:24

    lba4          db ?           ; LBA register, 39:32

    lba4          db ?           ; LBA register, 39:32

    rsv2          db ?           ; Reserved

                  db ?           ; Reserved

    rsv3          rb 2           ; Reserved

                  rb 2           ; Reserved

    rsv4          rb 4           ; Reserved

                  rb 4           ; Reserved

ends

ends

struct FIS_DATA

struct FIS_DATA

    fis_type      db ?           ; FIS_TYPE_DATA

    fis_type      db ?           ; FIS_TYPE_DATA

    _flags        db ?           ; 0bRRRRPPPP, R - Reserved, P - Port multiplier

    _flags        db ?           ; 0bRRRRPPPP, R - Reserved, P - Port multiplier

    rsv1          rb 2           ; Reserved

                  rb 2           ; Reserved

    device        db ?           ; Device register

    device        db ?           ; Device register

    lba3          db ?           ; LBA register, 31:24

    lba3          db ?           ; LBA register, 31:24

    lba4          db ?           ; LBA register, 39:32

    lba4          db ?           ; LBA register, 39:32

    rsv2          db ?           ; Reserved

                  db ?           ; Reserved

    counth        db ?           ; Count register, 15:8

    counth        db ?           ; Count register, 15:8

    rsv3          db ?           ; Reserved

                  db ?           ; Reserved

    tc            dw ?           ; Transfer count

    tc            dw ?           ; Transfer count

    rsv4          rb 2           ; Reserved

                  rb 2           ; Reserved

ends

ends

; DMA Setup – Device to Host

; DMA Setup – Device to Host

struct FIS_DMA_SETUP

struct FIS_DMA_SETUP

    _flags        db ?           ; 0bAIDRPPPP, A - Auto-activate. Specifies if DMA Activate FIS is needed,

    _flags        db ?           ; 0bAIDRPPPP, A - Auto-activate. Specifies if DMA Activate FIS is needed,

                                 ; I - Interrupt bit, D - Data transfer direction, 1 - device to host,

                                 ; I - Interrupt bit, D - Data transfer direction, 1 - device to host,

                                 ; R - Reserved, P - Port multiplier

                                 ; R - Reserved, P - Port multiplier

    rsved         rb 2           ; Reserved

                                 ; Used to Identify DMA buffer in host memory.

                                 ; Used to Identify DMA buffer in host memory.

                                 ; Trying AHCI spec might work.

                                 ; SATA Spec says host specific and not in Spec.

                                 ; Trying AHCI spec might work.

                  dd ?           ; Reserved

    DMAbufOffset  dd ?           ; Byte offset into buffer. First 2 bits must be 0

    protocol      dd ?           ; Protocol

    protocol      dd ?           ; Protocol

ends

ends

struct HBA_FIS

struct HBA_FIS

    pad0          rb 4           ; 

                  rb 4           ; padding

    psfis         FIS_PIO_SETUP  ; 0x20, PIO Setup FIS

    psfis         FIS_PIO_SETUP  ; 0x20, PIO Setup FIS

    rfis          FIS_REG_D2H    ; 0x40, Register - Device to Host FIS

    rfis          FIS_REG_D2H    ; 0x40, Register - Device to Host FIS

    sdbfis        FIS_DEV_BITS   ; 0x58, Set Device Bit FIS

    sdbfis        FIS_DEV_BITS   ; 0x58, Set Device Bit FIS

    ufis          rb 64          ; 0x60

    ufis          rb 64          ; 0x60