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module uefi::proto::variable;
import uefi;
/* 8.2.) Variable services */
/* 8.2.1.) GetVariable() */
alias FnGetVariable = fn EfiStatus(EfiStringRaw, EfiGuid*, uint*, usz*, void*);
/* Variable Attributes */
enum EfiVarAttr : uint (uint raw) // TODO: Add `inline` inside parens when supported
{
NON_VOLATILE { 0x0000_0001 },
BOOTSERVICE_ACCESS { 0x0000_0002 },
RUNTIME_ACCESS { 0x0000_0004 },
HARDWARE_ERROR_RECORD { 0x0000_0008 },
HR { 0x0000_0008 }, /* spec notes aliasing of this to above */
RESERVED { 0x0000_0010 },
TIME_BASED_AUTHENTICATED_WRITE_ACCESS { 0x0000_0020 },
APPEND_WRITE { 0x0000_0040 },
ENHANCED_AUTHENTICATED_ACCESS { 0x0000_0080 },
}
struct VariableAuthentication3CertId
{
char type;
uint id_size;
/* implied to follow: char id[id_size]; */
}
/* 8.2.2.) GetNextVariableName() */
alias FnGetNextVariableName = fn EfiStatus(usz*, EfiStringRaw, EfiGuid*);
/* 8.2.3.) SetVariable() */
alias FnSetVariable = fn EfiStatus(EfiStringRaw, EfiGuid*, uint, usz, void*);
/* TODO: Too much extra complexity to use right now. Add later. */
/* struct VariableAuthentication2
{
EfiTime timestamp;
WinCertificateUefiGuid auth_info;
} */
const char EFI_VARIABLE_AUTHENTICATION_3_TIMESTAMP_TYPE = 1;
const char EFI_VARIABLE_AUTHENTICATION_3_NONCE_TYPE = 2;
struct VariableAuthentication3
{
char version;
char type;
uint metadata_size;
uint flags;
}
struct VariableAuthentication3Nonce
{
uint nonce_size;
/* implied to follow: char nonce[nonce_size]; */
}
/* 8.2.4.) QueryVariableInfo() */
alias FnQueryVariableInfo = fn EfiStatus(uint, ulong*, ulong*, ulong*);
/* 8.2.7.2.) Hardware Error Record Variables */
const EfiGuid EFI_HARDWARE_ERROR_VARIABLE = {
0x414e6bdd,
0xe47b,
0x47cc,
{ 0xb2, 0x44, 0xbb, 0x61, 0x02, 0x0c, 0xf5, 0x16 }
};
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