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metal: add lease infrastructure

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This commit is contained in:
Julian Orth 2024-04-25 22:20:29 +02:00
parent 1f18b46135
commit e92c92bf49
6 changed files with 502 additions and 58 deletions
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15
src/video/drm/sys.rs
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@ -70,6 +70,21 @@ pub fn create_lease(fd: c::c_int, objects: &[u32], flags: u32) -> Result<(OwnedF
Ok((OwnedFd::new(create.fd as _), create.lessee_id))
}
const DRM_IOCTL_MODE_REVOKE_LEASE: u64 = drm_iowr::<drm_mode_revoke_lease>(0xc9);
#[repr(C)]
struct drm_mode_revoke_lease {
lessee_id: u32,
}
pub fn revoke_lease(fd: c::c_int, lessee_id: u32) -> Result<(), OsError> {
let mut revoke = drm_mode_revoke_lease { lessee_id };
unsafe {
ioctl(fd, DRM_IOCTL_MODE_REVOKE_LEASE, &mut revoke)?;
}
Ok(())
}
pub fn get_node_type_from_fd(fd: c::c_int) -> Result<NodeType, OsError> {
let (_, _, min) = drm_stat(fd)?;
get_minor_type(min)