Support guest_memfd related capabilities

roypat · ShadowCurse · commit 6954c85f9bea · 2024-11-04T17:26:20.000Z
Add KVM_CAP_{GUEST_MEMFD, USER_MEMORY2, MEMORY_ATTRIBUTES} to the `Cap`
enum, so they can be used with `VmFd::check_extension`.

Signed-off-by: Patrick Roy &lt;roypat@amazon.co.uk&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Upcoming Release
 
+### Added 
+
+- [[#288](https://github.com/rust-vmm/kvm-ioctls/pull/288)]: Introduce `Cap::GuestMemfd`, `Cap::MemoryAttributes` and 
+   `Cap::UserMemory2` capabilities enum variants for use with `VmFd::check_extension`.
+
 ## v0.19.0
 
 ### Added
diff --git a/src/cap.rs b/src/cap.rs
@@ -160,4 +160,7 @@ pub enum Cap {
     ExitHypercall = KVM_CAP_EXIT_HYPERCALL,
     #[cfg(target_arch = "x86_64")]
     MemoryFaultInfo = KVM_CAP_MEMORY_FAULT_INFO,
+    UserMemory2 = KVM_CAP_USER_MEMORY2,
+    GuestMemfd = KVM_CAP_GUEST_MEMFD,
+    MemoryAttributes = KVM_CAP_MEMORY_ATTRIBUTES,
 }

Original file line number	Diff line number	Diff line change
`@@ -160,4 +160,7 @@ pub enum Cap {`
`160`	`160`	`ExitHypercall = KVM_CAP_EXIT_HYPERCALL,`
`161`	`161`	`#[cfg(target_arch = "x86_64")]`
`162`	`162`	`MemoryFaultInfo = KVM_CAP_MEMORY_FAULT_INFO,`
	`163`	`+ UserMemory2 = KVM_CAP_USER_MEMORY2,`
	`164`	`+ GuestMemfd = KVM_CAP_GUEST_MEMFD,`
	`165`	`+ MemoryAttributes = KVM_CAP_MEMORY_ATTRIBUTES,`
`163`	`166`	`}`