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|
//! Multi-Processor Services Protocol
//!
//! This Protocol is defined in the UEFI Platform Integration Specification,
//! Section 13.4.
//!
//! This provides a generalized way of performing the following tasks:
//! - Retrieving information of multi-processor environments.
//! - Dispatching user-provided function to APs.
//! - Maintain MP-related processor status.
pub const PROTOCOL_GUID: crate::base::Guid = crate::base::Guid::from_fields(
0x3fdda605,
0xa76e,
0x4f46,
0xad,
0x29,
&[0x12, 0xf4, 0x53, 0x1b, 0x3d, 0x08],
);
pub const PROCESSOR_AS_BSP_BIT: u32 = 0x00000001;
pub const PROCESSOR_ENABLED_BIT: u32 = 0x00000002;
pub const PROCESSOR_HEALTH_STATUS_BIT: u32 = 0x00000004;
pub const END_OF_CPU_LIST: usize = usize::MAX;
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct CpuPhysicalLocation {
pub package: u32,
pub core: u32,
pub thread: u32,
}
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct CpuPhysicalLocation2 {
pub package: u32,
pub module: u32,
pub tile: u32,
pub die: u32,
pub core: u32,
pub thread: u32,
}
#[repr(C)]
#[derive(Clone, Copy)]
pub union ExtendedProcessorInformation {
pub location2: CpuPhysicalLocation2,
}
#[repr(C)]
#[derive(Clone, Copy)]
pub struct ProcessorInformation {
pub processor_id: u64,
pub status_flag: u32,
pub location: CpuPhysicalLocation,
pub extended_information: ExtendedProcessorInformation,
}
pub type ApProcedure = eficall! {fn(*mut core::ffi::c_void)};
pub type GetNumberOfProcessors = eficall! {fn(
*mut Protocol,
*mut usize,
*mut usize,
) -> crate::base::Status};
pub type GetProcessorInfo = eficall! {fn(
*mut Protocol,
usize,
*mut ProcessorInformation,
) -> crate::base::Status};
pub type StartupAllAps = eficall! {fn(
*mut Protocol,
ApProcedure,
crate::base::Boolean,
crate::base::Event,
usize,
*mut core::ffi::c_void,
*mut *mut usize,
) -> crate::base::Status};
pub type StartupThisAp = eficall! {fn(
*mut Protocol,
ApProcedure,
usize,
crate::base::Event,
usize,
*mut core::ffi::c_void,
*mut crate::base::Boolean,
) -> crate::base::Status};
pub type SwitchBsp = eficall! {fn(
*mut Protocol,
usize,
crate::base::Boolean,
) -> crate::base::Status};
pub type EnableDisableAp = eficall! {fn(
*mut Protocol,
usize,
crate::base::Boolean,
*mut u32,
) -> crate::base::Status};
pub type WhoAmI = eficall! {fn(
*mut Protocol,
*mut usize,
) -> crate::base::Status};
#[repr(C)]
pub struct Protocol {
pub get_number_of_processors: GetNumberOfProcessors,
pub get_processor_info: GetProcessorInfo,
pub startup_all_aps: StartupAllAps,
pub startup_this_ap: StartupThisAp,
pub switch_bsp: SwitchBsp,
pub enable_disable_ap: EnableDisableAp,
pub who_am_i: WhoAmI,
}
|
