From 7f05fa00f73038b425002566d3afe6c3ade2ccdb Mon Sep 17 00:00:00 2001 From: Guo Mang Date: Thu, 22 Dec 2016 15:55:38 +0800 Subject: MdeModulePkg: Move to new location Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang --- .../MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h | 473 +++++++++++++++++++++ 1 file changed, 473 insertions(+) create mode 100644 Core/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h (limited to 'Core/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h') diff --git a/Core/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h b/Core/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h new file mode 100644 index 0000000000..7591e469a1 --- /dev/null +++ b/Core/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.h @@ -0,0 +1,473 @@ +/** @file + Master header file for DiskIo driver. It includes the module private defininitions. + +Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
+This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef _DISK_IO_H_ +#define _DISK_IO_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DISK_IO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('d', 's', 'k', 'I') +typedef struct { + UINT32 Signature; + + EFI_DISK_IO_PROTOCOL DiskIo; + EFI_DISK_IO2_PROTOCOL DiskIo2; + EFI_BLOCK_IO_PROTOCOL *BlockIo; + EFI_BLOCK_IO2_PROTOCOL *BlockIo2; + + UINT8 *SharedWorkingBuffer; + + EFI_LOCK TaskQueueLock; + LIST_ENTRY TaskQueue; +} DISK_IO_PRIVATE_DATA; +#define DISK_IO_PRIVATE_DATA_FROM_DISK_IO(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_PRIVATE_DATA_SIGNATURE) +#define DISK_IO_PRIVATE_DATA_FROM_DISK_IO2(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo2, DISK_IO_PRIVATE_DATA_SIGNATURE) + +#define DISK_IO2_TASK_SIGNATURE SIGNATURE_32 ('d', 'i', 'a', 't') +typedef struct { + UINT32 Signature; + LIST_ENTRY Link; /// < link to other task + EFI_LOCK SubtasksLock; + LIST_ENTRY Subtasks; /// < header of subtasks + EFI_DISK_IO2_TOKEN *Token; + DISK_IO_PRIVATE_DATA *Instance; +} DISK_IO2_TASK; + +#define DISK_IO2_FLUSH_TASK_SIGNATURE SIGNATURE_32 ('d', 'i', 'f', 't') +typedef struct { + UINT32 Signature; + EFI_BLOCK_IO2_TOKEN BlockIo2Token; + EFI_DISK_IO2_TOKEN *Token; +} DISK_IO2_FLUSH_TASK; + +#define DISK_IO_SUBTASK_SIGNATURE SIGNATURE_32 ('d', 'i', 's', 't') +typedef struct { + // + // UnderRun: Offset != 0, Length < BlockSize + // OverRun: Offset == 0, Length < BlockSize + // Middle: Offset is block aligned, Length is multiple of block size + // + UINT32 Signature; + LIST_ENTRY Link; + BOOLEAN Write; + UINT64 Lba; + UINT32 Offset; + UINTN Length; + UINT8 *WorkingBuffer; /// < NULL indicates using "Buffer" directly + UINT8 *Buffer; + BOOLEAN Blocking; + + // + // Following fields are for DiskIo2 + // + DISK_IO2_TASK *Task; + EFI_BLOCK_IO2_TOKEN BlockIo2Token; +} DISK_IO_SUBTASK; + +// +// Global Variables +// +extern EFI_DRIVER_BINDING_PROTOCOL gDiskIoDriverBinding; +extern EFI_COMPONENT_NAME_PROTOCOL gDiskIoComponentName; +extern EFI_COMPONENT_NAME2_PROTOCOL gDiskIoComponentName2; + +// +// Prototypes +// Driver model protocol interface +// +/** + Test to see if this driver supports ControllerHandle. + + @param This Protocol instance pointer. + @param ControllerHandle Handle of device to test + @param RemainingDevicePath Optional parameter use to pick a specific child + device to start. + + @retval EFI_SUCCESS This driver supports this device + @retval EFI_ALREADY_STARTED This driver is already running on this device + @retval other This driver does not support this device + +**/ +EFI_STATUS +EFIAPI +DiskIoDriverBindingSupported ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL + ); + +/** + Start this driver on ControllerHandle by opening a Block IO protocol and + installing a Disk IO protocol on ControllerHandle. + + @param This Protocol instance pointer. + @param ControllerHandle Handle of device to bind driver to + @param RemainingDevicePath Optional parameter use to pick a specific child + device to start. + + @retval EFI_SUCCESS This driver is added to ControllerHandle + @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle + @retval other This driver does not support this device + +**/ +EFI_STATUS +EFIAPI +DiskIoDriverBindingStart ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL + ); + +/** + Stop this driver on ControllerHandle by removing Disk IO protocol and closing + the Block IO protocol on ControllerHandle. + + @param This Protocol instance pointer. + @param ControllerHandle Handle of device to stop driver on + @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of + children is zero stop the entire bus driver. + @param ChildHandleBuffer List of Child Handles to Stop. + + @retval EFI_SUCCESS This driver is removed ControllerHandle + @retval other This driver was not removed from this device + +**/ +EFI_STATUS +EFIAPI +DiskIoDriverBindingStop ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN UINTN NumberOfChildren, + IN EFI_HANDLE *ChildHandleBuffer + ); + +// +// Disk I/O Protocol Interface +// +/** + Read BufferSize bytes from Offset into Buffer. + Reads may support reads that are not aligned on + sector boundaries. There are three cases: + UnderRun - The first byte is not on a sector boundary or the read request is + less than a sector in length. + Aligned - A read of N contiguous sectors. + OverRun - The last byte is not on a sector boundary. + + @param This Protocol instance pointer. + @param MediaId Id of the media, changes every time the media is replaced. + @param Offset The starting byte offset to read from + @param BufferSize Size of Buffer + @param Buffer Buffer containing read data + + @retval EFI_SUCCESS The data was read correctly from the device. + @retval EFI_DEVICE_ERROR The device reported an error while performing the read. + @retval EFI_NO_MEDIA There is no media in the device. + @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device. + @retval EFI_INVALID_PARAMETER The read request contains device addresses that are not + valid for the device. + +**/ +EFI_STATUS +EFIAPI +DiskIoReadDisk ( + IN EFI_DISK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN UINTN BufferSize, + OUT VOID *Buffer + ); + +/** + Writes BufferSize bytes from Buffer into Offset. + Writes may require a read modify write to support writes that are not + aligned on sector boundaries. There are three cases: + UnderRun - The first byte is not on a sector boundary or the write request + is less than a sector in length. Read modify write is required. + Aligned - A write of N contiguous sectors. + OverRun - The last byte is not on a sector boundary. Read modified write + required. + + @param This Protocol instance pointer. + @param MediaId Id of the media, changes every time the media is replaced. + @param Offset The starting byte offset to read from + @param BufferSize Size of Buffer + @param Buffer Buffer containing read data + + @retval EFI_SUCCESS The data was written correctly to the device. + @retval EFI_WRITE_PROTECTED The device can not be written to. + @retval EFI_DEVICE_ERROR The device reported an error while performing the write. + @retval EFI_NO_MEDIA There is no media in the device. + @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device. + @retval EFI_INVALID_PARAMETER The write request contains device addresses that are not + valid for the device. + +**/ +EFI_STATUS +EFIAPI +DiskIoWriteDisk ( + IN EFI_DISK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN UINTN BufferSize, + IN VOID *Buffer + ); + + +/** + Terminate outstanding asynchronous requests to a device. + + @param This Indicates a pointer to the calling context. + + @retval EFI_SUCCESS All outstanding requests were successfully terminated. + @retval EFI_DEVICE_ERROR The device reported an error while performing the cancel + operation. +**/ +EFI_STATUS +EFIAPI +DiskIo2Cancel ( + IN EFI_DISK_IO2_PROTOCOL *This + ); + +/** + Reads a specified number of bytes from a device. + + @param This Indicates a pointer to the calling context. + @param MediaId ID of the medium to be read. + @param Offset The starting byte offset on the logical block I/O device to read from. + @param Token A pointer to the token associated with the transaction. + If this field is NULL, synchronous/blocking IO is performed. + @param BufferSize The size in bytes of Buffer. The number of bytes to read from the device. + @param Buffer A pointer to the destination buffer for the data. + The caller is responsible either having implicit or explicit ownership of the buffer. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was read correctly from the device. + If Event is not NULL (asynchronous I/O): The request was successfully queued for processing. + Event will be signaled upon completion. + @retval EFI_DEVICE_ERROR The device reported an error while performing the write. + @retval EFI_NO_MEDIA There is no medium in the device. + @retval EFI_MEDIA_CHNAGED The MediaId is not for the current medium. + @retval EFI_INVALID_PARAMETER The read request contains device addresses that are not valid for the device. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +DiskIo2ReadDiskEx ( + IN EFI_DISK_IO2_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN OUT EFI_DISK_IO2_TOKEN *Token, + IN UINTN BufferSize, + OUT VOID *Buffer + ); + +/** + Writes a specified number of bytes to a device. + + @param This Indicates a pointer to the calling context. + @param MediaId ID of the medium to be written. + @param Offset The starting byte offset on the logical block I/O device to write to. + @param Token A pointer to the token associated with the transaction. + If this field is NULL, synchronous/blocking IO is performed. + @param BufferSize The size in bytes of Buffer. The number of bytes to write to the device. + @param Buffer A pointer to the buffer containing the data to be written. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was written correctly to the device. + If Event is not NULL (asynchronous I/O): The request was successfully queued for processing. + Event will be signaled upon completion. + @retval EFI_WRITE_PROTECTED The device cannot be written to. + @retval EFI_DEVICE_ERROR The device reported an error while performing the write operation. + @retval EFI_NO_MEDIA There is no medium in the device. + @retval EFI_MEDIA_CHNAGED The MediaId is not for the current medium. + @retval EFI_INVALID_PARAMETER The write request contains device addresses that are not valid for the device. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +DiskIo2WriteDiskEx ( + IN EFI_DISK_IO2_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN EFI_DISK_IO2_TOKEN *Token, + IN UINTN BufferSize, + IN VOID *Buffer + ); + +/** + Flushes all modified data to the physical device. + + @param This Indicates a pointer to the calling context. + @param Token A pointer to the token associated with the transaction. + If this field is NULL, synchronous/blocking IO is performed. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was flushed successfully to the device. + If Event is not NULL (asynchronous I/O): The request was successfully queued for processing. + Event will be signaled upon completion. + @retval EFI_WRITE_PROTECTED The device cannot be written to. + @retval EFI_DEVICE_ERROR The device reported an error while performing the write operation. + @retval EFI_NO_MEDIA There is no medium in the device. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. +**/ +EFI_STATUS +EFIAPI +DiskIo2FlushDiskEx ( + IN EFI_DISK_IO2_PROTOCOL *This, + IN OUT EFI_DISK_IO2_TOKEN *Token + ); + +// +// EFI Component Name Functions +// +/** + Retrieves a Unicode string that is the user readable name of the driver. + + This function retrieves the user readable name of a driver in the form of a + Unicode string. If the driver specified by This has a user readable name in + the language specified by Language, then a pointer to the driver name is + returned in DriverName, and EFI_SUCCESS is returned. If the driver specified + by This does not support the language specified by Language, + then EFI_UNSUPPORTED is returned. + + @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param Language[in] A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified + in RFC 4646 or ISO 639-2 language code format. + + @param DriverName[out] A pointer to the Unicode string to return. + This Unicode string is the name of the + driver specified by This in the language + specified by Language. + + @retval EFI_SUCCESS The Unicode string for the Driver specified by + This and the language specified by Language was + returned in DriverName. + + @retval EFI_INVALID_PARAMETER Language is NULL. + + @retval EFI_INVALID_PARAMETER DriverName is NULL. + + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +DiskIoComponentNameGetDriverName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN CHAR8 *Language, + OUT CHAR16 **DriverName + ); + + +/** + Retrieves a Unicode string that is the user readable name of the controller + that is being managed by a driver. + + This function retrieves the user readable name of the controller specified by + ControllerHandle and ChildHandle in the form of a Unicode string. If the + driver specified by This has a user readable name in the language specified by + Language, then a pointer to the controller name is returned in ControllerName, + and EFI_SUCCESS is returned. If the driver specified by This is not currently + managing the controller specified by ControllerHandle and ChildHandle, + then EFI_UNSUPPORTED is returned. If the driver specified by This does not + support the language specified by Language, then EFI_UNSUPPORTED is returned. + + @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param ControllerHandle[in] The handle of a controller that the driver + specified by This is managing. This handle + specifies the controller whose name is to be + returned. + + @param ChildHandle[in] The handle of the child controller to retrieve + the name of. This is an optional parameter that + may be NULL. It will be NULL for device + drivers. It will also be NULL for a bus drivers + that wish to retrieve the name of the bus + controller. It will not be NULL for a bus + driver that wishes to retrieve the name of a + child controller. + + @param Language[in] A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified in + RFC 4646 or ISO 639-2 language code format. + + @param ControllerName[out] A pointer to the Unicode string to return. + This Unicode string is the name of the + controller specified by ControllerHandle and + ChildHandle in the language specified by + Language from the point of view of the driver + specified by This. + + @retval EFI_SUCCESS The Unicode string for the user readable name in + the language specified by Language for the + driver specified by This was returned in + DriverName. + + @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. + + @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid + EFI_HANDLE. + + @retval EFI_INVALID_PARAMETER Language is NULL. + + @retval EFI_INVALID_PARAMETER ControllerName is NULL. + + @retval EFI_UNSUPPORTED The driver specified by This is not currently + managing the controller specified by + ControllerHandle and ChildHandle. + + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +DiskIoComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ); + + +#endif -- cgit v1.2.3