diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/UfsDeviceConfig.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/UfsDeviceConfig.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/UfsDeviceConfig.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/UfsDeviceConfig.h new file mode 100644 index 0000000000..e1b278db76 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/UfsDeviceConfig.h @@ -0,0 +1,143 @@ +/** @file + This file defines the EFI UFS Device Config Protocol. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + 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. + + @par Revision Reference: + This Protocol is introduced in UEFI Specification 2.7 + +**/ + +#ifndef __UFS_DEVICE_CONFIG_PROTOCOL_H__ +#define __UFS_DEVICE_CONFIG_PROTOCOL_H__ + +// +// EFI UFS Device Config Protocol GUID value +// +#define EFI_UFS_DEVICE_CONFIG_GUID \ + { 0xb81bfab0, 0xeb3, 0x4cf9, { 0x84, 0x65, 0x7f, 0xa9, 0x86, 0x36, 0x16, 0x64 }}; + +// +// Forward reference for pure ANSI compatability +// +typedef struct _EFI_UFS_DEVICE_CONFIG_PROTOCOL EFI_UFS_DEVICE_CONFIG_PROTOCOL; + +/** + Read or write specified device descriptor of a UFS device. + + The service is used to read/write UFS device descriptors. The consumer of this API is responsible + for allocating the data buffer pointed by Descriptor. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] DescId The ID of device descriptor. + @param[in] Index The Index of device descriptor. + @param[in] Selector The Selector of device descriptor. + @param[in, out] Descriptor The buffer of device descriptor to be read or written. + @param[in, out] DescSize The size of device descriptor buffer. On input, the size, in bytes, + of the data buffer specified by Descriptor. On output, the number + of bytes that were actually transferred. + + @retval EFI_SUCCESS The device descriptor is read/written successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Descriptor is NULL or DescSize is NULL. + DescId, Index and Selector are invalid combination to point to a + type of UFS device descriptor. + @retval EFI_DEVICE_ERROR The device descriptor is not read/written successfully. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UFS_DEVICE_CONFIG_RW_DESCRIPTOR) ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 DescId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT UINT8 *Descriptor, + IN OUT UINT32 *DescSize + ); + +/** + Read or write specified flag of a UFS device. + + The service is used to read/write UFS flag descriptors. The consumer of this API is responsible + for allocating the buffer pointed by Flag. The buffer size is 1 byte as UFS flag descriptor is + just a single Boolean value that represents a TRUE or FALSE, '0' or '1', ON or OFF type of value. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] FlagId The ID of flag to be read or written. + @param[in, out] Flag The buffer to set or clear flag. + + @retval EFI_SUCCESS The flag descriptor is set/clear successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Flag is NULL. + FlagId is an invalid UFS flag ID. + @retval EFI_DEVICE_ERROR The flag is not set/clear successfully. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UFS_DEVICE_CONFIG_RW_FLAG) ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 FlagId, + IN OUT UINT8 *Flag + ); + +/** + Read or write specified attribute of a UFS device. + + The service is used to read/write UFS attributes. The consumer of this API is responsible for + allocating the data buffer pointed by Attribute. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] AttrId The ID of Attribute. + @param[in] Index The Index of Attribute. + @param[in] Selector The Selector of Attribute. + @param[in, out] Attribute The buffer of Attribute to be read or written. + @param[in, out] AttrSize The size of Attribute buffer. On input, the size, in bytes, of the + data buffer specified by Attribute. On output, the number of bytes + that were actually transferred. + + @retval EFI_SUCCESS The attribute is read/written successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Attribute is NULL or AttrSize is NULL. + AttrId, Index and Selector are invalid combination to point to a + type of UFS attribute. + @retval EFI_DEVICE_ERROR The attribute is not read/written successfully. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UFS_DEVICE_CONFIG_RW_ATTRIBUTE) ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 AttrId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT UINT8 *Attribute, + IN OUT UINT32 *AttrSize + ); + +/// +/// UFS Device Config Protocol structure. +/// +struct _EFI_UFS_DEVICE_CONFIG_PROTOCOL { + EFI_UFS_DEVICE_CONFIG_RW_DESCRIPTOR RwUfsDescriptor; + EFI_UFS_DEVICE_CONFIG_RW_FLAG RwUfsFlag; + EFI_UFS_DEVICE_CONFIG_RW_ATTRIBUTE RwUfsAttribute; +}; + +/// +/// UFS Device Config Protocol GUID variable. +/// +extern EFI_GUID gEfiUfsDeviceConfigProtocolGuid; + +#endif |