mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/** @file
|
|
|
|
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI_H_
|
|
#define _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI_H_
|
|
|
|
#include <Protocol/DevicePath.h>
|
|
|
|
///
|
|
/// Global ID for the EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI.
|
|
///
|
|
#define EDKII_NVME_EXPRESS_HOST_CONTROLLER_PPI_GUID \
|
|
{ \
|
|
0xcae3aa63, 0x676f, 0x4da3, { 0xbd, 0x50, 0x6c, 0xc5, 0xed, 0xde, 0x9a, 0xad } \
|
|
}
|
|
|
|
//
|
|
// Forward declaration for the EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI.
|
|
//
|
|
typedef struct _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI;
|
|
|
|
/**
|
|
Get the MMIO base address of NVM Express host controller.
|
|
|
|
@param[in] This The PPI instance pointer.
|
|
@param[in] ControllerId The ID of the NVM Express host controller.
|
|
@param[out] MmioBar The MMIO base address of the controller.
|
|
|
|
@retval EFI_SUCCESS The operation succeeds.
|
|
@retval EFI_INVALID_PARAMETER The parameters are invalid.
|
|
@retval EFI_NOT_FOUND The specified NVM Express host controller not
|
|
found.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_NVM_EXPRESS_HC_GET_MMIO_BAR) (
|
|
IN EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI *This,
|
|
IN UINT8 ControllerId,
|
|
OUT UINTN *MmioBar
|
|
);
|
|
|
|
/**
|
|
Get the device path of NVM Express host controller.
|
|
|
|
@param[in] This The PPI instance pointer.
|
|
@param[in] ControllerId The ID of the NVM Express host controller.
|
|
@param[out] DevicePathLength The length of the device path in bytes specified
|
|
by DevicePath.
|
|
@param[out] DevicePath The device path of NVM Express host controller.
|
|
This field re-uses EFI Device Path Protocol as
|
|
defined by Section 10.2 EFI Device Path Protocol
|
|
of UEFI 2.7 Specification.
|
|
|
|
@retval EFI_SUCCESS The operation succeeds.
|
|
@retval EFI_INVALID_PARAMETER The parameters are invalid.
|
|
@retval EFI_NOT_FOUND The specified NVM Express host controller not
|
|
found.
|
|
@retval EFI_OUT_OF_RESOURCES The operation fails due to lack of resources.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_NVM_EXPRESS_HC_GET_DEVICE_PATH) (
|
|
IN EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI *This,
|
|
IN UINT8 ControllerId,
|
|
OUT UINTN *DevicePathLength,
|
|
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
|
|
);
|
|
|
|
//
|
|
// This PPI contains a set of services to interact with the NVM Express host
|
|
// controller.
|
|
//
|
|
struct _EDKII_NVM_EXPRESS_HOST_CONTROLLER_PPI {
|
|
EDKII_NVM_EXPRESS_HC_GET_MMIO_BAR GetNvmeHcMmioBar;
|
|
EDKII_NVM_EXPRESS_HC_GET_DEVICE_PATH GetNvmeHcDevicePath;
|
|
};
|
|
|
|
extern EFI_GUID gEdkiiPeiNvmExpressHostControllerPpiGuid;
|
|
|
|
#endif
|