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actually allocate max memory

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This commit is contained in:
Alex Zenla
2024-01-10 19:18:48 -08:00
parent 153619a02c
commit 629c3d81b0
7 changed files with 80 additions and 64 deletions
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10
xencall/src/lib.rs
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@ -12,7 +12,7 @@ use std::ffi::{c_long, c_ulong, c_void};
use std::fmt::{Display, Formatter};
use std::fs::{File, OpenOptions};
use std::os::fd::AsRawFd;
use std::ptr::addr_of;
use std::ptr::addr_of_mut;
pub struct XenCall {
pub handle: File,
@ -143,7 +143,7 @@ impl XenCall {
pub fn mmap_batch(
&self,
domid: u32,
count: u64,
num: u64,
addr: u64,
mfns: Vec<u64>,
) -> Result<c_long, XenCallError> {
@ -151,7 +151,7 @@ impl XenCall {
let mut mfns = mfns.clone();
let mut errors = vec![0i32; mfns.len()];
let mut batch = MmapBatch {
num: count as u32,
num: num as u32,
domid: domid as u16,
addr,
mfns: mfns.as_mut_ptr(),
@ -163,13 +163,13 @@ impl XenCall {
}
pub fn get_version_capabilities(&self) -> Result<XenCapabilitiesInfo, XenCallError> {
let info = XenCapabilitiesInfo {
let mut info = XenCapabilitiesInfo {
capabilities: [0; 1024],
};
self.hypercall2(
HYPERVISOR_XEN_VERSION,
XENVER_CAPABILITIES,
addr_of!(info) as c_ulong,
addr_of_mut!(info) as c_ulong,
)?;
Ok(info)
}