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more hvm work

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This commit is contained in:
Alex Zenla
2024-04-30 10:13:20 -07:00
parent 8c59be1956
commit a6d84d70f4
6 changed files with 142 additions and 346 deletions
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36
crates/xen/xencall/src/lib.rs
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@ -3,19 +3,7 @@ pub mod sys;
use crate::error::{Error, Result};
use crate::sys::{
AddressSize, AssignDevice, CreateDomain, DomCtl, DomCtlValue, DomCtlVcpuContext,
EvtChnAllocUnbound, GetDomainInfo, GetPageFrameInfo3, Hypercall, HypercallInit,
IoMemPermission, IoPortPermission, IrqPermission, MaxMem, MaxVcpus, MemoryMap,
MemoryReservation, MmapBatch, MmapResource, MmuExtOp, MultiCallEntry, PciAssignDevice,
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_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,
XEN_MEM_POPULATE_PHYSMAP,
AddressSize, AssignDevice, CreateDomain, DomCtl, DomCtlValue, DomCtlVcpuContext, EvtChnAllocUnbound, GetDomainInfo, GetPageFrameInfo3, HvmParam, Hypercall, HypercallInit, IoMemPermission, IoPortPermission, IrqPermission, MaxMem, MaxVcpus, MemoryMap, MemoryReservation, MmapBatch, MmapResource, MmuExtOp, MultiCallEntry, PciAssignDevice, XenCapabilitiesInfo, DOMCTL_DEV_PCI, HYPERVISOR_DOMCTL, HYPERVISOR_EVENT_CHANNEL_OP, HYPERVISOR_HVM_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_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, XEN_MEM_POPULATE_PHYSMAP
};
use libc::{c_int, mmap, usleep, MAP_FAILED, MAP_SHARED, PROT_READ, PROT_WRITE};
use log::trace;
@ -809,4 +797,26 @@ impl XenCall {
.await?;
Ok(())
}
#[allow(clippy::field_reassign_with_default)]
pub async fn set_hvm_param(&self, domid: u32, index: u32, value: u64) -> Result<()> {
trace!(
"set_hvm_param fd={} domid={} index={} value={:?}",
self.handle.as_raw_fd(),
domid,
index,
value,
);
let mut param = HvmParam::default();
param.domid = domid as u16;
param.index = index;
param.value = value;
self.hypercall2(
HYPERVISOR_HVM_OP,
0,
addr_of_mut!(param) as c_ulong,
)
.await?;
Ok(())
}
}