1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/** @file
DRAM info PPI to retrieve DRAM information from lower level firmware
Copyright (c) 2017, Linaro Ltd. 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.
**/
#ifndef _SYNQUACER_DRAMINFO_PPI_
#define _SYNQUACER_DRAMINFO_PPI_
#define SYNQUACER_DRAMINFO_PPI_GUID \
{ 0x3e1d7356, 0xdda4, 0x4b1a, { 0x93, 0x46, 0xbf, 0x89, 0x1c, 0x86, 0x46, 0xcc } }
/**
Retrieve the number of discontiguous DRAM regions
@param[out] RegionCount The number of available DRAM regions
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_INVALID_PARAMETER RegionCount == NULL
**/
typedef
EFI_STATUS
(EFIAPI * DRAMINFO_GET_REGION_COUNT) (
OUT UINTN *RegionCount
);
/**
Retrieve the base and size of a DRAM region
@param[in] RegionIndex The 0-based index of the region to retrieve
@param[out] Base The base of the requested region
@param[out] Size The size of the requested region
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_INVALID_PARAMETER Base == NULL or Size == NULL
@retval EFI_NOT_FOUND No region exists with index >= RegionIndex
**/
typedef
EFI_STATUS
(EFIAPI * DRAMINFO_GET_REGION) (
IN UINTN RegionIndex,
OUT UINT64 *Base,
OUT UINT64 *Size
);
typedef struct {
DRAMINFO_GET_REGION_COUNT GetRegionCount;
DRAMINFO_GET_REGION GetRegion;
} SYNQUACER_DRAM_INFO_PPI;
extern EFI_GUID gSynQuacerDramInfoPpiGuid;
#endif
|
