External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2024-06-30 23:12:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

vmm: Use the PCI segment allocator for pmem and fs cache allocations

Browse Source 
Use the MMIO address space allocator associated with the segment that
the devices are on.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-10-15 15:49:49 +01:00
parent cd9d1cf8fc
commit a26ce353d3
1 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
vmm/src/device_manager.rs
View File

@ -2293,11 +2293,11 @@ impl DeviceManager {
let (cache_base, cache_size) = if let Some((base, size)) = cache_range {
// The memory needs to be 2MiB aligned in order to support
// hugepages.
self.address_manager
self.pci_segments[fs_cfg.pci_segment as usize]
.allocator
.lock()
.unwrap()
.allocate_mmio_addresses(
.allocate(
Some(GuestAddress(base)),
size as GuestUsize,
Some(0x0020_0000),
@ -2309,12 +2309,11 @@ impl DeviceManager {
let size = fs_cfg.cache_size;
// The memory needs to be 2MiB aligned in order to support
// hugepages.
let base = self
.address_manager
let base = self.pci_segments[fs_cfg.pci_segment as usize]
.allocator
.lock()
.unwrap()
.allocate_mmio_addresses(None, size as GuestUsize, Some(0x0020_0000))
.allocate(None, size as GuestUsize, Some(0x0020_0000))
.ok_or(DeviceManagerError::FsRangeAllocation)?;
(base.raw_value(), size)
@ -2491,11 +2490,11 @@ impl DeviceManager {
let (region_base, region_size) = if let Some((base, size)) = region_range {
// The memory needs to be 2MiB aligned in order to support
// hugepages.
self.address_manager
self.pci_segments[pmem_cfg.pci_segment as usize]
.allocator
.lock()
.unwrap()
.allocate_mmio_addresses(
.allocate(
Some(GuestAddress(base)),
size as GuestUsize,
Some(0x0020_0000),
@ -2506,12 +2505,11 @@ impl DeviceManager {
} else {
// The memory needs to be 2MiB aligned in order to support
// hugepages.
let base = self
.address_manager
let base = self.pci_segments[pmem_cfg.pci_segment as usize]
.allocator
.lock()
.unwrap()
.allocate_mmio_addresses(None, size as GuestUsize, Some(0x0020_0000))
.allocate(None, size as GuestUsize, Some(0x0020_0000))
.ok_or(DeviceManagerError::PmemRangeAllocation)?;
(base.raw_value(), size)