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feature(krata): dynamic resource allocation (closes #298) (#333)

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This commit is contained in:
Alex Zenla
2024-08-14 01:14:49 -07:00
committed by GitHub
parent 1dca770091
commit 87530edf70
15 changed files with 251 additions and 31 deletions
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3
crates/xen/xenclient/examples/boot.rs
View File

@ -27,7 +27,8 @@ async fn main() -> Result<()> {
base: BaseDomainConfig {
uuid: Uuid::new_v4(),
max_vcpus: 1,
mem_mb: 512,
max_mem_mb: 512,
target_mem_mb: 512,
enable_iommu: true,
kernel: fs::read(&kernel_image_path).await?,
initrd: fs::read(&initrd_path).await?,

4
crates/xen/xenclient/src/tx.rs
View File

@ -156,13 +156,13 @@ impl ClientTransaction {
self.tx
.write_string(
format!("{}/memory/static-max", self.dom_path).as_str(),
&(base.mem_mb * 1024).to_string(),
&(base.max_mem_mb * 1024).to_string(),
)
.await?;
self.tx
.write_string(
format!("{}/memory/target", self.dom_path).as_str(),
&(base.mem_mb * 1024).to_string(),
&(base.target_mem_mb * 1024).to_string(),
)
.await?;
self.tx

8
crates/xen/xenplatform/src/boot.rs
View File

@ -162,11 +162,13 @@ impl<I: BootImageLoader, P: BootSetupPlatform> BootSetup<I, P> {
pub async fn initialize(
&mut self,
initrd: &[u8],
mem_mb: u64,
target_mem_mb: u64,
max_mem_mb: u64,
max_vcpus: u32,
cmdline: &str,
) -> Result<BootDomain> {
let total_pages = mem_mb << (20 - self.platform.page_shift());
let target_pages = target_mem_mb << (20 - self.platform.page_shift());
let total_pages = max_mem_mb << (20 - self.platform.page_shift());
let image_info = self.image_loader.parse(self.platform.hvm()).await?;
let mut domain = BootDomain {
domid: self.domid,
@ -175,7 +177,7 @@ impl<I: BootImageLoader, P: BootSetupPlatform> BootSetup<I, P> {
virt_pgtab_end: 0,
pfn_alloc_end: 0,
total_pages,
target_pages: total_pages,
target_pages,
page_size: self.platform.page_size(),
image_info,
console_evtchn: 0,

8
crates/xen/xenplatform/src/domain.rs
View File

@ -29,7 +29,7 @@ impl<P: BootSetupPlatform> BaseDomainManager<P> {
let domid = self.call.create_domain(domain).await?;
self.call.set_max_vcpus(domid, config.max_vcpus).await?;
self.call
.set_max_mem(domid, (config.mem_mb * 1024) + 2048)
.set_max_mem(domid, (config.max_mem_mb * 1024) + 2048)
.await?;
let loader = ElfImageLoader::load_file_kernel(&config.kernel)?;
let platform = (*self.platform).clone();
@ -37,7 +37,8 @@ impl<P: BootSetupPlatform> BaseDomainManager<P> {
let mut domain = boot
.initialize(
&config.initrd,
config.mem_mb,
config.target_mem_mb,
config.max_mem_mb,
config.max_vcpus,
&config.cmdline,
)
@ -63,7 +64,8 @@ pub struct BaseDomainConfig {
pub uuid: Uuid,
pub owner_domid: u32,
pub max_vcpus: u32,
pub mem_mb: u64,
pub max_mem_mb: u64,
pub target_mem_mb: u64,
pub kernel: Vec<u8>,
pub initrd: Vec<u8>,
pub cmdline: String,