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vfio: Make vfio to use MemoryRegion instead of kvm_userspace_memory_region

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Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam 2020-07-15 13:10:10 -07:00 committed by Samuel Ortiz
parent cc57467d10
commit 053ea5dcd3
1 changed files with 27 additions and 28 deletions
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55
pci/src/vfio.rs
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@ -13,7 +13,6 @@ use crate::{
};
use byteorder::{ByteOrder, LittleEndian};
use devices::BusDevice;
use hypervisor::kvm::kvm_userspace_memory_region;
use std::any::Any;
use std::ops::Deref;
use std::os::unix::io::AsRawFd;
@ -560,13 +559,13 @@ impl VfioPciDevice {
}
let slot = mem_slot();
let mem_region = kvm_userspace_memory_region {
let mem_region = vm.make_user_memory_region(
slot,
guest_phys_addr: region.start.raw_value() + mmap_offset,
memory_size: mmap_size as u64,
userspace_addr: host_addr as u64,
flags: 0,
};
region.start.raw_value() + mmap_offset,
mmap_size as u64,
host_addr as u64,
false,
);
vm.set_user_memory_region(mem_region)
.map_err(|e| VfioPciError::MapRegionGuest(e.into()))?;
@ -589,13 +588,13 @@ impl VfioPciDevice {
let (mmap_offset, _) = self.device.get_region_mmap(region.index);
// Remove region from KVM
let kvm_region = kvm_userspace_memory_region {
slot: mem_slot,
guest_phys_addr: region.start.raw_value() + mmap_offset,
memory_size: 0,
userspace_addr: host_addr,
flags: 0,
};
let kvm_region = self.vm.make_user_memory_region(
mem_slot,
region.start.raw_value() + mmap_offset,
0,
host_addr as u64,
false,
);
if let Err(e) = self.vm.set_user_memory_region(kvm_region) {
error!(
@ -1017,26 +1016,26 @@ impl PciDevice for VfioPciDevice {
let (mmap_offset, mmap_size) = self.device.get_region_mmap(region.index);
// Remove old region from KVM
let old_mem_region = kvm_userspace_memory_region {
slot: mem_slot,
guest_phys_addr: old_base + mmap_offset,
memory_size: 0,
userspace_addr: host_addr,
flags: 0,
};
let old_mem_region = self.vm.make_user_memory_region(
mem_slot,
old_base + mmap_offset,
0,
host_addr as u64,
false,
);
self.vm
.set_user_memory_region(old_mem_region)
.map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
// Insert new region to KVM
let new_mem_region = kvm_userspace_memory_region {
slot: mem_slot,
guest_phys_addr: new_base + mmap_offset,
memory_size: mmap_size as u64,
userspace_addr: host_addr,
flags: 0,
};
let new_mem_region = self.vm.make_user_memory_region(
mem_slot,
new_base + mmap_offset,
mmap_size as u64,
host_addr as u64,
false,
);
self.vm
.set_user_memory_region(new_mem_region)