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hypervisor: add UserMemoryRegion and flags

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Signed-off-by: Dev Rajput <t-devrajput@microsoft.com>
Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2022-07-08 17:52:18 +00:00 committed by Rob Bradford
parent 6b9c5d21c4
commit fabc940b65
1 changed files with 20 additions and 0 deletions
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20
hypervisor/src/lib.rs
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@ -116,3 +116,23 @@ pub fn vec_with_array_field<T: Default, F>(count: usize) -> Vec<T> {
let vec_size_bytes = size_of::<T>() + element_space;
vec_with_size_in_bytes(vec_size_bytes)
}
///
/// User memory region structure
///
#[derive(Debug, Default, Eq, PartialEq)]
pub struct UserMemoryRegion {
pub slot: u32,
pub guest_phys_addr: u64,
pub memory_size: u64,
pub userspace_addr: u64,
pub flags: u32,
}
///
/// Flags for user memory region
///
pub const USER_MEMORY_REGION_READ: u32 = 1;
pub const USER_MEMORY_REGION_WRITE: u32 = 1 << 1;
pub const USER_MEMORY_REGION_EXECUTE: u32 = 1 << 2;
pub const USER_MEMORY_REGION_LOG_DIRTY: u32 = 1 << 3;