88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/** @file
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This file provides AHCI SATA device specific structure.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _AHCI_DEVICE_H_
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#define _AHCI_DEVICE_H_
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#include <IndustryStandard/Pci.h>
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#include <IndustryStandard/Atapi.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/BootloaderCommonLib.h>
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#include <Library/TimerLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/IoMmuLib.h>
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#include "AhciMode.h"
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#define ATA_ATAPI_DEVICE_SIGNATURE SIGNATURE_32 ('a', 'd', 'e', 'v')
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#define AHCI_CONTROLLER_SIGNATURE SIGNATURE_32 ('a', 'h', 'c', 'i')
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#define EFI_ATA_DEVICE_FROM_LINK(a) \
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CR (a, EFI_ATA_DEVICE_INFO, Link, ATA_ATAPI_DEVICE_SIGNATURE)
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#define ATAPI_BLOCK_SIZE 0x800
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#define ATA_BLOCK_SIZE 0x200
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#define ATAPI_INVALID_MAX_LBA_ADDRESS 0xFFFFFFFF
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#define AHCI_MAX_48_TRANSFER_SECTOR 65536
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#define AHCI_MAX_28_TRANSFER_SECTOR 256
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#define DEVICE_LBA_48_SUPPORT BIT1
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#define DMA_WAIT_TIMEOUT_MS 500
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//
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// ATA device info
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//
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typedef struct {
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UINT32 Signature;
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LIST_ENTRY Link;
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UINT16 Port;
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UINT16 PortMultiplier;
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EFI_ATA_DEVICE_TYPE Type;
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UINT32 BlockSize;
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UINT32 DeviceFeature;
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EFI_LBA TotalBlockNumber;
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EFI_IDENTIFY_DATA IdentifyData;
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EFI_AHCI_CONTROLLER *Controller;
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} EFI_ATA_DEVICE_INFO;
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/**
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Block read/write to ATA device.
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The function performs read or write operation to the ATA device.
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@param[in] AtaDevice ATA device instance.
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@param[in] Read Read or write.
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@param[in] Lba The starting logical block address (LBA) to read from
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on the device.
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@param[in] BufferSize The size of the Buffer in bytes. This number must be
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a multiple of the intrinsic block size of the device.
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@param[out] Buffer A pointer to the destination buffer for the data.
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The caller is responsible for the ownership of the
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buffer.
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@retval EFI_INVALID_PARAMETER Inpurt parameters are not valid.
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@retval EFI_DEVICE_ERROR The DMA data transfer abort with error occurs.
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@retval EFI_TIMEOUT The operation is time out.
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@retval EFI_UNSUPPORTED The device is not ready for transfer.
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@retval EFI_SUCCESS The DMA data transfer executes successfully.
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**/
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EFI_STATUS
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AhciReadWriteBlock (
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IN EFI_ATA_DEVICE_INFO *AtaDevice,
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IN BOOLEAN Read,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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#endif
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