X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FInclude%2FPpi%2FAtaAhciController.h;fp=MdeModulePkg%2FInclude%2FPpi%2FAtaAhciController.h;h=2bdd53ff36ff40d411f840e2c16a71eb8636fbd6;hp=0000000000000000000000000000000000000000;hb=af2cf989dfa48534965a1ba79e9ce41da99c5f3c;hpb=94e0dd1afe53d23286968130d836ff0755c17c9b diff --git a/MdeModulePkg/Include/Ppi/AtaAhciController.h b/MdeModulePkg/Include/Ppi/AtaAhciController.h new file mode 100644 index 0000000000..2bdd53ff36 --- /dev/null +++ b/MdeModulePkg/Include/Ppi/AtaAhciController.h @@ -0,0 +1,89 @@ +/** @file + + Copyright (c) 2019, 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 _EDKII_ATA_AHCI_HOST_CONTROLLER_PPI_H_ +#define _EDKII_ATA_AHCI_HOST_CONTROLLER_PPI_H_ + +#include + +/// +/// Global ID for the EDKII_ATA_AHCI_HOST_CONTROLLER_PPI. +/// +#define EDKII_ATA_AHCI_HOST_CONTROLLER_PPI_GUID \ + { \ + 0x61dd33ea, 0x421f, 0x4cc0, { 0x89, 0x29, 0xff, 0xee, 0xa9, 0xa1, 0xa2, 0x61 } \ + } + +// +// Forward declaration for the EDKII_ATA_AHCI_HOST_CONTROLLER_PPI. +// +typedef struct _EDKII_ATA_AHCI_HOST_CONTROLLER_PPI EDKII_ATA_AHCI_HOST_CONTROLLER_PPI; + +/** + Get the MMIO base address of ATA AHCI host controller. + + @param[in] This The PPI instance pointer. + @param[in] ControllerId The ID of the ATA AHCI 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 ATA AHCI host controller not found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EDKII_ATA_AHCI_HC_GET_MMIO_BAR) ( + IN EDKII_ATA_AHCI_HOST_CONTROLLER_PPI *This, + IN UINT8 ControllerId, + OUT UINTN *MmioBar + ); + +/** + Get the device path of ATA AHCI host controller. + + @param[in] This The PPI instance pointer. + @param[in] ControllerId The ID of the ATA AHCI host controller. + @param[out] DevicePathLength The length of the device path in bytes specified + by DevicePath. + @param[out] DevicePath The device path of ATA AHCI 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 ATA AHCI host controller not found. + @retval EFI_OUT_OF_RESOURCES The operation fails due to lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EDKII_ATA_AHCI_HC_GET_DEVICE_PATH) ( + IN EDKII_ATA_AHCI_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 ATA AHCI host controller. +// +struct _EDKII_ATA_AHCI_HOST_CONTROLLER_PPI { + EDKII_ATA_AHCI_HC_GET_MMIO_BAR GetAhciHcMmioBar; + EDKII_ATA_AHCI_HC_GET_DEVICE_PATH GetAhciHcDevicePath; +}; + +extern EFI_GUID gEdkiiPeiAtaAhciHostControllerPpiGuid; + +#endif