/* * Copyright (c) 2018-2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #define ATA_SR_BSY 0x80 #define ATA_SR_DRDY 0x40 #define ATA_SR_DF 0x20 #define ATA_SR_DSC 0x10 #define ATA_SR_DRQ 0x08 #define ATA_SR_CORR 0x04 #define ATA_SR_IDX 0x02 #define ATA_SR_ERR 0x01 #define ATA_ER_BBK 0x80 #define ATA_ER_UNC 0x40 #define ATA_ER_MC 0x20 #define ATA_ER_IDNF 0x10 #define ATA_ER_MCR 0x08 #define ATA_ER_ABRT 0x04 #define ATA_ER_TK0NF 0x02 #define ATA_ER_AMNF 0x01 #define ATA_CMD_READ_PIO 0x20 #define ATA_CMD_READ_PIO_EXT 0x24 #define ATA_CMD_READ_DMA 0xC8 #define ATA_CMD_READ_DMA_EXT 0x25 #define ATA_CMD_WRITE_PIO 0x30 #define ATA_CMD_WRITE_PIO_EXT 0x34 #define ATA_CMD_WRITE_DMA 0xCA #define ATA_CMD_WRITE_DMA_EXT 0x35 #define ATA_CMD_CACHE_FLUSH 0xE7 #define ATA_CMD_CACHE_FLUSH_EXT 0xEA #define ATA_CMD_PACKET 0xA0 #define ATA_CMD_IDENTIFY_PACKET 0xA1 #define ATA_CMD_IDENTIFY 0xEC #define ATAPI_CMD_READ 0xA8 #define ATAPI_CMD_EJECT 0x1B #define ATA_IDENT_DEVICETYPE 0 #define ATA_IDENT_CYLINDERS 2 #define ATA_IDENT_HEADS 6 #define ATA_IDENT_SECTORS 12 #define ATA_IDENT_SERIAL 20 #define ATA_IDENT_MODEL 54 #define ATA_IDENT_CAPABILITIES 98 #define ATA_IDENT_FIELDVALID 106 #define ATA_IDENT_MAX_LBA 120 #define ATA_IDENT_COMMANDSETS 164 #define ATA_IDENT_MAX_LBA_EXT 200 #define ATA_USE_LBA_ADDRESSING (1 << 6) #define IDE_ATA 0x00 #define IDE_ATAPI 0x01 #define ATA_REG_DATA 0x00 #define ATA_REG_ERROR 0x01 #define ATA_REG_FEATURES 0x01 #define ATA_REG_SECCOUNT0 0x02 #define ATA_REG_LBA0 0x03 #define ATA_REG_LBA1 0x04 #define ATA_REG_LBA2 0x05 #define ATA_REG_HDDEVSEL 0x06 #define ATA_REG_COMMAND 0x07 #define ATA_REG_STATUS 0x07 #define ATA_REG_SECCOUNT1 0x08 #define ATA_REG_LBA3 0x09 #define ATA_REG_LBA4 0x0A #define ATA_REG_LBA5 0x0B #define ATA_CTL_CONTROL 0x00 #define ATA_CTL_ALTSTATUS 0x00 #define ATA_CTL_DEVADDRESS 0x01 #define ATA_CAP_LBA 0x200 #include namespace Kernel { struct [[gnu::packed]] ATAIdentifyBlock { u16 general_configuration; u16 obsolete; u16 specific_configuration; u16 obsolete2; u16 retired[2]; u16 obsolete3; u16 reserved_for_cfa[2]; u16 retired2; u16 serial_number[10]; u16 retired3[2]; u16 obsolete4; u16 firmware_revision[4]; u16 model_number[20]; u16 maximum_logical_sectors_per_drq; u16 trusted_computing_features; u16 capabilites[2]; u16 obsolete5[2]; u16 validity_flags; u16 obsolete6[5]; u16 security_features; u32 max_28_bit_addressable_logical_sector; u16 obsolete7; u16 dma_modes; u16 pio_modes; u16 minimum_multiword_dma_transfer_cycle; u16 recommended_multiword_dma_transfer_cycle; u16 minimum_multiword_pio_transfer_cycle_without_flow_control; u16 minimum_multiword_pio_transfer_cycle_with_flow_control; u16 additional_supported; u16 reserved3[5]; u16 queue_depth; u16 serial_ata_capabilities; u16 serial_ata_additional_capabilities; u16 serial_ata_features_supported; u16 serial_ata_features_enabled; u16 major_version_number; u16 minor_version_number; u16 commands_and_feature_sets_supported[3]; u16 commands_and_feature_sets_supported_or_enabled[3]; u16 ultra_dma_modes; u16 timing_for_security_features[2]; u16 apm_level; u16 master_password_id; u16 hardware_reset_results; u16 obsolete8; u16 stream_minimum_request_time; u16 streaming_transfer_time_for_dma; u16 streaming_access_latency; u16 streaming_performance_granularity[2]; u64 user_addressable_logical_sectors_count; u16 streaming_transfer_time_for_pio; u16 max_512_byte_blocks_per_data_set_management_command; u16 physical_sector_size_to_logical_sector_size; u16 inter_seek_delay_for_acoustic_testing; u16 world_wide_name[4]; u16 reserved4[4]; u16 obsolete9; u32 logical_sector_size; u16 commands_and_feature_sets_supported2; u16 commands_and_feature_sets_supported_or_enabled2; u16 reserved_for_expanded_supported_and_enabled_settings[6]; u16 obsolete10; u16 security_status; u16 vendor_specific[31]; u16 reserved_for_cfa2[8]; u16 device_nominal_form_factor; u16 data_set_management_command_support; u16 additional_product_id[4]; u16 reserved5[2]; u16 current_media_serial_number[30]; u16 sct_command_transport; u16 reserved6[2]; u16 logical_sectors_alignment_within_physical_sector; u32 write_read_verify_sector_mode_3_count; u32 write_read_verify_sector_mode_2_count; u16 obsolete11[3]; u16 nominal_media_rotation_rate; u16 reserved7; u16 obsolete12; u16 write_read_verify_feature_set_current_mode; u16 reserved8; u16 transport_major_version_number; u16 transport_minor_version_number; u16 reserved9[6]; u64 extended_user_addressable_logical_sectors_count; u16 minimum_512_byte_data_blocks_per_download_microcode_operation; u16 max_512_byte_data_blocks_per_download_microcode_operation; u16 reserved10[19]; u16 integrity; }; };