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hvm work

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This commit is contained in:
Alex Zenla
2024-04-29 04:31:56 -07:00
parent 4839ee2679
commit 8c59be1956
9 changed files with 677 additions and 69 deletions
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39
crates/xen/xencall/src/lib.rs
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@ -7,11 +7,11 @@ use crate::sys::{
EvtChnAllocUnbound, GetDomainInfo, GetPageFrameInfo3, Hypercall, HypercallInit,
IoMemPermission, IoPortPermission, IrqPermission, MaxMem, MaxVcpus, MemoryMap,
MemoryReservation, MmapBatch, MmapResource, MmuExtOp, MultiCallEntry, PciAssignDevice,
VcpuGuestContext, VcpuGuestContextAny, XenCapabilitiesInfo, DOMCTL_DEV_PCI, HYPERVISOR_DOMCTL,
XenCapabilitiesInfo, DOMCTL_DEV_PCI, HYPERVISOR_DOMCTL,
HYPERVISOR_EVENT_CHANNEL_OP, HYPERVISOR_MEMORY_OP, HYPERVISOR_MMUEXT_OP, HYPERVISOR_MULTICALL,
HYPERVISOR_XEN_VERSION, XENVER_CAPABILITIES, XEN_DOMCTL_ASSIGN_DEVICE, XEN_DOMCTL_CREATEDOMAIN,
XEN_DOMCTL_DESTROYDOMAIN, XEN_DOMCTL_GETDOMAININFO, XEN_DOMCTL_GETPAGEFRAMEINFO3,
XEN_DOMCTL_GETVCPUCONTEXT, XEN_DOMCTL_HYPERCALL_INIT, XEN_DOMCTL_IOMEM_PERMISSION,
XEN_DOMCTL_HYPERCALL_INIT, XEN_DOMCTL_IOMEM_PERMISSION,
XEN_DOMCTL_IOPORT_PERMISSION, XEN_DOMCTL_IRQ_PERMISSION, XEN_DOMCTL_MAX_MEM,
XEN_DOMCTL_MAX_VCPUS, XEN_DOMCTL_PAUSEDOMAIN, XEN_DOMCTL_SETVCPUCONTEXT,
XEN_DOMCTL_SET_ADDRESS_SIZE, XEN_DOMCTL_UNPAUSEDOMAIN, XEN_MEM_CLAIM_PAGES, XEN_MEM_MEMORY_MAP,
@ -23,8 +23,7 @@ use nix::errno::Errno;
use std::ffi::{c_long, c_uint, c_ulong, c_void};
use std::sync::Arc;
use sys::{
E820Entry, ForeignMemoryMap, PhysdevMapPirq, HYPERVISOR_PHYSDEV_OP, PHYSDEVOP_MAP_PIRQ,
XEN_DOMCTL_MAX_INTERFACE_VERSION, XEN_DOMCTL_MIN_INTERFACE_VERSION, XEN_MEM_SET_MEMORY_MAP,
E820Entry, ForeignMemoryMap, PhysdevMapPirq, VcpuGuestContextAny, HYPERVISOR_PHYSDEV_OP, PHYSDEVOP_MAP_PIRQ, XEN_DOMCTL_MAX_INTERFACE_VERSION, XEN_DOMCTL_MIN_INTERFACE_VERSION, XEN_MEM_SET_MEMORY_MAP
};
use tokio::sync::Semaphore;
@ -459,45 +458,19 @@ impl XenCall {
Ok(())
}
pub async fn get_vcpu_context(&self, domid: u32, vcpu: u32) -> Result<VcpuGuestContext> {
trace!(
"domctl fd={} get_vcpu_context domid={}",
self.handle.as_raw_fd(),
domid,
);
let mut wrapper = VcpuGuestContextAny {
value: VcpuGuestContext::default(),
};
let mut domctl = DomCtl {
cmd: XEN_DOMCTL_GETVCPUCONTEXT,
interface_version: self.domctl_interface_version,
domid,
value: DomCtlValue {
vcpu_context: DomCtlVcpuContext {
vcpu,
ctx: addr_of_mut!(wrapper) as c_ulong,
},
},
};
self.hypercall1(HYPERVISOR_DOMCTL, addr_of_mut!(domctl) as c_ulong)
.await?;
Ok(unsafe { wrapper.value })
}
pub async fn set_vcpu_context(
&self,
domid: u32,
vcpu: u32,
context: &VcpuGuestContext,
mut context: VcpuGuestContextAny,
) -> Result<()> {
trace!(
"domctl fd={} set_vcpu_context domid={} context={:?}",
self.handle.as_raw_fd(),
domid,
context,
unsafe { context.value }
);
let mut value = VcpuGuestContextAny { value: *context };
let mut domctl = DomCtl {
cmd: XEN_DOMCTL_SETVCPUCONTEXT,
interface_version: self.domctl_interface_version,
@ -505,7 +478,7 @@ impl XenCall {
value: DomCtlValue {
vcpu_context: DomCtlVcpuContext {
vcpu,
ctx: addr_of_mut!(value) as c_ulong,
ctx: addr_of_mut!(context) as c_ulong,
},
},
};