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476 lines
21 KiB
C
476 lines
21 KiB
C
/** @file
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Header file for SdDxe Driver.
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This file defines common data structures, macro definitions and some module
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internal function header files.
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Copyright (c) 2015 - 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 _SD_DXE_H_
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#define _SD_DXE_H_
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#include <Uefi.h>
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#include <IndustryStandard/Sd.h>
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#include <Protocol/SdMmcPassThru.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/BlockIo2.h>
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#include <Protocol/EraseBlock.h>
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#include <Protocol/DiskInfo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include "SdBlockIo.h"
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#include "SdDiskInfo.h"
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gSdDxeDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gSdDxeComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gSdDxeComponentName2;
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#define SD_DEVICE_SIGNATURE SIGNATURE_32 ('S', 'D', 't', 'f')
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#define SD_DEVICE_DATA_FROM_BLKIO(a) \
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CR(a, SD_DEVICE, BlockIo, SD_DEVICE_SIGNATURE)
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#define SD_DEVICE_DATA_FROM_BLKIO2(a) \
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CR(a, SD_DEVICE, BlockIo2, SD_DEVICE_SIGNATURE)
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#define SD_DEVICE_DATA_FROM_ERASEBLK(a) \
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CR(a, SD_DEVICE, EraseBlock, SD_DEVICE_SIGNATURE)
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#define SD_DEVICE_DATA_FROM_DISKINFO(a) \
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CR(a, SD_DEVICE, DiskInfo, SD_DEVICE_SIGNATURE)
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//
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// Take 2.5 seconds as generic time out value, 1 microsecond as unit.
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//
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#define SD_GENERIC_TIMEOUT 2500 * 1000
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#define SD_REQUEST_SIGNATURE SIGNATURE_32 ('S', 'D', 'R', 'E')
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#define SD_MODEL_NAME_MAX_LEN 32
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typedef struct _SD_DEVICE SD_DEVICE;
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typedef struct _SD_DRIVER_PRIVATE_DATA SD_DRIVER_PRIVATE_DATA;
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//
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// Asynchronous I/O request.
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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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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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BOOLEAN IsEnd;
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EFI_BLOCK_IO2_TOKEN *Token;
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EFI_EVENT Event;
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} SD_REQUEST;
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#define SD_REQUEST_FROM_LINK(a) \
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CR(a, SD_REQUEST, Link, SD_REQUEST_SIGNATURE)
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struct _SD_DEVICE {
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UINT32 Signature;
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EFI_HANDLE Handle;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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UINT8 Slot;
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BOOLEAN SectorAddressing;
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EFI_BLOCK_IO_PROTOCOL BlockIo;
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EFI_BLOCK_IO2_PROTOCOL BlockIo2;
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EFI_BLOCK_IO_MEDIA BlockMedia;
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EFI_ERASE_BLOCK_PROTOCOL EraseBlock;
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EFI_DISK_INFO_PROTOCOL DiskInfo;
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LIST_ENTRY Queue;
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SD_CSD Csd;
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SD_CID Cid;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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//
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// The model name consists of three fields in CID register
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// 1) OEM/Application ID (2 bytes)
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// 2) Product Name (5 bytes)
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// 3) Product Serial Number (4 bytes)
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// The delimiters of these fields are whitespace.
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//
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CHAR16 ModelName[SD_MODEL_NAME_MAX_LEN];
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SD_DRIVER_PRIVATE_DATA *Private;
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} ;
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//
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// SD DXE driver private data structure
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//
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struct _SD_DRIVER_PRIVATE_DATA {
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_HANDLE Controller;
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EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
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EFI_HANDLE DriverBindingHandle;
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} ;
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/**
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Tests to see if this driver supports a given controller. If a child device is provided,
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it further tests to see if this driver supports creating a handle for the specified child device.
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This function checks to see if the driver specified by This supports the device specified by
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ControllerHandle. Drivers will typically use the device path attached to
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ControllerHandle and/or the services from the bus I/O abstraction attached to
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ControllerHandle to determine if the driver supports ControllerHandle. This function
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may be called many times during platform initialization. In order to reduce boot times, the tests
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performed by this function must be very small, and take as little time as possible to execute. This
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function must not change the state of any hardware devices, and this function must be aware that the
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device specified by ControllerHandle may already be managed by the same driver or a
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different driver. This function must match its calls to AllocatePages() with FreePages(),
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AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
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Since ControllerHandle may have been previously started by the same driver, if a protocol is
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already in the opened state, then it must not be closed with CloseProtocol(). This is required
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to guarantee the state of ControllerHandle is not modified by this function.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to test. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For bus drivers, if this parameter is not NULL, then
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the bus driver must determine if the bus controller specified
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by ControllerHandle and the child controller specified
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by RemainingDevicePath are both supported by this
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bus driver.
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@retval EFI_SUCCESS The device specified by ControllerHandle and
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RemainingDevicePath is supported by the driver specified by This.
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@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by the driver
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specified by This.
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@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by a different
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driver or an application that requires exclusive access.
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Currently not implemented.
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@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
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RemainingDevicePath is not supported by the driver specified by This.
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**/
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EFI_STATUS
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EFIAPI
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SdDxeDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Starts a device controller or a bus controller.
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The Start() function is designed to be invoked from the EFI boot service ConnectController().
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As a result, much of the error checking on the parameters to Start() has been moved into this
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common boot service. It is legal to call Start() from other locations,
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but the following calling restrictions must be followed or the system behavior will not be deterministic.
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1. ControllerHandle must be a valid EFI_HANDLE.
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2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
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EFI_DEVICE_PATH_PROTOCOL.
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3. Prior to calling Start(), the Supported() function for the driver specified by This must
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have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to start. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For a bus driver, if this parameter is NULL, then handles
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for all the children of Controller are created by this driver.
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If this parameter is not NULL and the first Device Path Node is
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not the End of Device Path Node, then only the handle for the
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child device specified by the first Device Path Node of
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RemainingDevicePath is created by this driver.
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If the first Device Path Node of RemainingDevicePath is
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the End of Device Path Node, no child handle is created by this
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driver.
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@retval EFI_SUCCESS The device was started.
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@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval Others The driver failded to start the device.
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**/
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EFI_STATUS
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EFIAPI
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SdDxeDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stops a device controller or a bus controller.
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The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
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As a result, much of the error checking on the parameters to Stop() has been moved
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into this common boot service. It is legal to call Stop() from other locations,
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but the following calling restrictions must be followed or the system behavior will not be deterministic.
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1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
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same driver's Start() function.
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2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
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EFI_HANDLE. In addition, all of these handles must have been created in this driver's
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Start() function, and the Start() function must have called OpenProtocol() on
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ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle A handle to the device being stopped. The handle must
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support a bus specific I/O protocol for the driver
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to use to stop the device.
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@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
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@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
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if NumberOfChildren is 0.
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@retval EFI_SUCCESS The device was stopped.
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@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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SdDxeDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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SdDxeComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle[in] The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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SdDxeComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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/**
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Send command SET_RELATIVE_ADDRESS to the device to set the device address.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[out] Rca The relative device address to assign.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSetRca (
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IN SD_DEVICE *Device,
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OUT UINT16 *Rca
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);
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/**
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Send command SELECT to the device to select/deselect the device.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSelect (
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IN SD_DEVICE *Device,
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IN UINT16 Rca
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);
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/**
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Send command SEND_STATUS to the device to get device status.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] DevStatus The buffer to store the device status.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSendStatus (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT UINT32 *DevStatus
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);
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/**
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Send command SEND_CSD to the device to get the CSD register data.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] Csd The buffer to store the SD_CSD register data.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdGetCsd (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT SD_CSD *Csd
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);
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/**
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Send command SEND_CID to the device to get the CID register data.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] Cid The buffer to store the SD_CID register data.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdGetCid (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT SD_CID *Cid
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);
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#endif
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