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unpause domain so domain can run during boot

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This commit is contained in:
Alex Zenla
2024-01-17 01:41:17 -08:00
parent 5c1bb3d8fc
commit 6ca61410ad
7 changed files with 68 additions and 8 deletions
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21
xencall/src/lib.rs
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@ -3,10 +3,10 @@ pub mod memory;
pub mod sys;
use crate::sys::{
Hypercall, MmapBatch, MmapResource, MultiCallEntry, XenCapabilitiesInfo, HYPERVISOR_MULTICALL,
HYPERVISOR_XEN_VERSION, XENVER_CAPABILITIES,
EvtChnAllocUnbound, Hypercall, MmapBatch, MmapResource, MultiCallEntry, XenCapabilitiesInfo,
HYPERVISOR_EVENT_CHANNEL_OP, HYPERVISOR_MULTICALL, HYPERVISOR_XEN_VERSION, XENVER_CAPABILITIES,
};
use libc::{mmap, MAP_FAILED, MAP_SHARED, PROT_READ, PROT_WRITE};
use libc::{c_int, mmap, MAP_FAILED, MAP_SHARED, PROT_READ, PROT_WRITE};
use log::trace;
use nix::errno::Errno;
use std::error::Error;
@ -236,4 +236,19 @@ impl XenCall {
)?;
Ok(info)
}
pub fn evtchn_op(&self, cmd: c_int, arg: u64) -> Result<(), XenCallError> {
self.hypercall2(HYPERVISOR_EVENT_CHANNEL_OP, cmd as c_ulong, arg)?;
Ok(())
}
pub fn evtchn_alloc_unbound(&self, domid: u32, remote_domid: u32) -> Result<u32, XenCallError> {
let mut alloc_unbound = EvtChnAllocUnbound {
dom: domid as u16,
remote_dom: remote_domid as u16,
port: 0,
};
self.evtchn_op(6, addr_of_mut!(alloc_unbound) as c_ulong)?;
Ok(alloc_unbound.port)
}
}