/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END * * * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * ATAPI-7 Definitions (subset) that include Serial ATA * ATA/ATAPI-7 V3 (d1532v3r4b-ATA-ATAPI-7) */ #ifndef _ATAPI7V3_H #define _ATAPI7V3_H #ifdef __cplusplus extern "C" { #endif /* * Register - Host to Device FIS */ typedef struct { uint8_t fis_type; uint8_t idcbits; uint8_t cmd; uint8_t features; #define FEATURE_LBA 0x40 uint8_t lba_low; uint8_t lba_mid; uint8_t lba_hi; uint8_t device; uint8_t lba_low_exp; uint8_t lba_mid_exp; uint8_t lba_hi_exp; uint8_t features_exp; uint8_t sector_count; uint8_t sector_count_exp; uint8_t reserved0; uint8_t control; uint8_t reserved1[4]; } register_h2d_fis_t; /* * Register - Device to Host FIS */ typedef struct { uint8_t fis_type; uint8_t idcbits; uint8_t status; uint8_t error; uint8_t lba_low; uint8_t lba_mid; uint8_t lba_hi; uint8_t device; uint8_t lba_low_exp; uint8_t lba_mid_exp; uint8_t lba_hi_exp; uint8_t reserved0; uint8_t sector_count; uint8_t sector_count_exp; uint8_t reserved1[6]; } register_d2h_fis_t; typedef struct { uint8_t fis_type; uint8_t idcbits; uint8_t status_bits; #define STATUS_HI_MASK 0xE #define STATUS_HI_SHIFT 4 #define STATUS_LO_MASK 0x7 uint8_t error; uint8_t reserved; } set_device_bits_fis_t; typedef struct { uint8_t fis_type; uint8_t reserved[3]; } dma_activate_fis_type; typedef struct { uint8_t fis_type; uint8_t idcbits; uint8_t reserved0[2]; uint32_t dma_buffer_id_lo; uint32_t dma_buffer_id_hi; uint32_t reserved1; uint32_t dma_buffer_offset; uint32_t dma_buffer_count; uint32_t reserved2; } dma_fpactivate_fis_t; typedef struct { uint8_t fis_type; uint8_t reserved0; uint8_t bist_bits; uint8_t reserved1; uint8_t data[8]; } bist_activate_fis_t; #define BIST_T 0x80 #define BIST_A 0x40 #define BIST_S 0x20 #define BIST_L 0x10 #define BIST_F 0x08 #define BIST_P 0x04 #define BIST_V 0x01 typedef struct { uint8_t fis_type; uint8_t idcbits; uint8_t status; uint8_t error; uint8_t lba_low; uint8_t lba_mid; uint8_t lba_high; uint8_t device; uint8_t lba_low_exp; uint8_t lba_mid_exp; uint8_t lba_high_exp; uint8_t reserved0; uint8_t sector_count; uint8_t sector_count_exp; uint8_t reserved1; uint8_t E_status; uint16_t transfer_count; uint16_t reserved2; } pio_setup_fis_t; typedef struct { uint8_t fis_type; uint32_t dwords[1]; } bidirectional_fis_t; /* * FIS Types */ #define FIS_REG_H2DEV 0x27 /* 5 DWORDS */ #define FIS_REG_D2H 0x34 /* 5 DWORDS */ #define FIS_SET_DEVICE_BITS 0xA1 /* 2 DWORDS */ #define FIS_DMA_ACTIVATE 0x39 /* 1 DWORD */ #define FIS_DMA_FPSETUP 0x41 /* 7 DWORDS */ #define FIS_BIST_ACTIVATE 0x58 /* 3 DWORDS */ #define FIS_PIO_SETUP 0x5F /* 5 DWORDS */ #define FIS_BI 0x46 /* 1 DWORD min, 2048 DWORD max */ /* * IDC bits */ #define C_BIT 0x80 #define I_BIT 0x40 #define D_BIT 0x20 /* * 28-Bit Command Mapping from ACS to FIS * * ACS Field FIS Field * -------------------------------------- * Feature (7:0) -> Feature * Count (7:0) -> Sector Count * LBA (7:0) -> LBA Low * LBA (15:8) -> LBA Mid * LBA (23:16) -> LBA High * LBA (27:24) -> Device (3:0) * Device (15:12) -> Device (7:4) * Command -> Command * * 48- Bit Command Mapping from ACS to FIS * * ACS Field FIS Field * -------------------------------------- * Feature (7:0) -> Feature * Feature (15:8) -> Feature (exp) * Count (7:0) -> Sector Count * Count (15:8) -> Sector Count (exp) * LBA (7:0) -> LBA Low * LBA (15:8) -> LBA Mid * LBA (23:16) -> LBA High * LBA (31:24) -> LBA Low (exp) * LBA (39:32) -> LBA Mid (exp) * LBA (47:40) -> LBA High (exp) * Device (15:12) -> Device (7:4) * Command -> Command * * FIS (FIS_REG_H2DEV) layout: * * 31.........24 23...........16 15....................8.7.............0 * FEATURE | COMMAND | C R R RESERVED | FIS TYPE 0x27 * DEVICE | LBA HIGH | LBA MID | LBA LOW * FEATURE(exp) | LBA HIGH(exp) | LBA MID(exp) | LBA LOW(exp) * CONTROL | RESERVED | Sector Count(exp) | Sector Count * RESERVED | RESERVED | RESERVED | RESERVED * * FIS (FIS_REG_D2H) layout: * * 31.........24 23...........16 15....................8.7.............0 * ERROR | STATUS | R I R RESERVED | FIS TYPE 0x34 * DEVICE | LBA HIGH | LBA MID | LBA LOW * RESERVED | LBA HIGH(exp) | LBA MID(exp) | LBA LOW(exp) * RESERVED | RESERVED | Sector Count(exp) | Sector Count * RESERVED | RESERVED | RESERVED | RESERVED */ /* * Reasonable size to reserve for holding the most common FIS types. */ typedef uint32_t fis_t[5]; #ifdef __cplusplus } #endif #endif /* _ATAPI7V3_H */
