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/** @file
Copyright (c) 2018, 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 that 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 _PCI_IOV_PLATFORM_H_
#define _PCI_IOV_PLATFORM_H_
//
// Protocol for GUID.
//
typedef struct _EFI_PCI_IOV_PLATFORM_PROTOCOL EFI_PCI_IOV_PLATFORM_PROTOCOL;
typedef UINT32 EFI_PCI_IOV_PLATFORM_POLICY;
#define EFI_PCI_IOV_POLICY_ARI 0x0001
#define EFI_PCI_IOV_POLICY_SRIOV 0x0002
#define EFI_PCI_IOV_POLICY_MRIOV 0x0004
typedef
EFI_STATUS
(EFIAPI * EFI_PCI_IOV_PLATFORM_GET_SYSTEM_LOWEST_PAGE_SIZE) (
IN EFI_PCI_IOV_PLATFORM_PROTOCOL *This,
OUT UINT32 *SystemLowestPageSize
)
/**
The GetSystemLowestPageSize() function retrieves the system lowest page size.
@param This - Pointer to the EFI_PCI_IOV_PLATFORM_PROTOCOL instance.
@param SystemLowestPageSize - The system lowest page size. (This system supports a
page size of 2^(n+12) if bit n is set.)
@retval EFI_SUCCESS - The function completed successfully.
@retval EFI_INVALID_PARAMETER - SystemLowestPageSize is NULL.
**/
;
typedef
EFI_STATUS
(EFIAPI * EFI_PCI_IOV_PLATFORM_GET_PLATFORM_POLICY) (
IN EFI_PCI_IOV_PLATFORM_PROTOCOL *This,
OUT EFI_PCI_IOV_PLATFORM_POLICY *PciIovPolicy
)
/**
The GetPlatformPolicy() function retrieves the platform policy regarding PCI IOV.
@param This - Pointer to the EFI_PCI_IOV_PLATFORM_PROTOCOL instance.
@param PciIovPolicy - The platform policy for PCI IOV configuration.
@retval EFI_SUCCESS - The function completed successfully.
@retval EFI_INVALID_PARAMETER - PciPolicy is NULL.
**/
;
typedef struct _EFI_PCI_IOV_PLATFORM_PROTOCOL {
EFI_PCI_IOV_PLATFORM_GET_SYSTEM_LOWEST_PAGE_SIZE GetSystemLowestPageSize;
EFI_PCI_IOV_PLATFORM_GET_PLATFORM_POLICY GetPlatformPolicy;
} EFI_PCI_IOV_PLATFORM_PROTOCOL;
extern EFI_GUID gEfiPciIovPlatformProtocolGuid;
#endif
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