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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/** @file
IPMI stack initialization in PEI.
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.
**/
#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/TimerLib.h>
#include <Library/IpmiCommandLib.h>
#define BMC_TIMEOUT_PEI 50 // [s] How long shall BIOS wait for BMC
#define BMC_KCS_TIMEOUT 5 // [s] Single KSC request timeout
EFI_STATUS
GetDeviceId (
OUT BOOLEAN *UpdateMode
)
/*++
Routine Description:
Execute the Get Device ID command to determine whether or not the BMC is in Force Update
Mode. If it is, then report it to the error manager.
Arguments:
Returns:
Status
--*/
{
EFI_STATUS Status;
IPMI_GET_DEVICE_ID_RESPONSE BmcInfo;
UINT32 Retries;
//
// Set up a loop to retry for up to 30 seconds. Calculate retries not timeout
// so that in case KCS is not enabled and EfiIpmiSendCommand() returns
// immediately we will not wait all the 30 seconds.
//
Retries = BMC_TIMEOUT_PEI/ BMC_KCS_TIMEOUT + 1;
//
// Get the device ID information for the BMC.
//
do {
Status = IpmiGetDeviceId (&BmcInfo);
if (!EFI_ERROR(Status)) {
break;
}
DEBUG ((DEBUG_ERROR, "[IPMI] BMC does not respond (status: %r), %d retries left\n", Status, Retries));
if (Retries-- == 0) {
return Status;
}
} while (TRUE);
DEBUG((DEBUG_INFO, "[IPMI] BMC Device ID: 0x%02X, firmware version: %d.%02X\n", BmcInfo.DeviceId, BmcInfo.MajorFirmwareRev, BmcInfo.MinorFirmwareRev));
*UpdateMode = (BOOLEAN)BmcInfo.UpdateMode;
return Status;
}
/**
The entry point of the Ipmi PEIM.
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS Indicates that Ipmi initialization completed successfully.
**/
EFI_STATUS
EFIAPI
PeimIpmiInterfaceInit (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
BOOLEAN UpdateMode;
EFI_STATUS Status;
DEBUG((EFI_D_ERROR,"IPMI Peim:Get BMC Device Id\n"));
//
// Get the Device ID and check if the system is in Force Update mode.
//
Status = GetDeviceId (&UpdateMode);
return EFI_SUCCESS;
}
|
