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tests: use a constant for maximum number of PCI segments

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No functional change.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2023-04-26 01:20:18 +00:00 committed by Rob Bradford
parent ba1e89139a
commit 03db406645
1 changed files with 26 additions and 8 deletions
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34
tests/integration.rs
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@ -32,6 +32,9 @@ use test_infra::*;
use vmm_sys_util::{tempdir::TempDir, tempfile::TempFile};
use wait_timeout::ChildExt;
// Constant taken from the VMM crate.
const MAX_NUM_PCI_SEGMENTS: u16 = 16;
#[cfg(target_arch = "x86_64")]
mod x86_64 {
pub const FOCAL_IMAGE_NAME: &str = "focal-server-cloudimg-amd64-custom-20210609-0.raw";
@ -1206,7 +1209,10 @@ fn _test_virtio_fs(
.default_net()
.args(["--api-socket", &api_socket]);
if pci_segment.is_some() {
guest_command.args(["--platform", "num_pci_segments=16"]);
guest_command.args([
"--platform",
&format!("num_pci_segments={MAX_NUM_PCI_SEGMENTS}"),
]);
}
let fs_params = format!(
@ -2318,7 +2324,10 @@ mod common_parallel {
.args(["--memory", "size=512M"])
.args(["--kernel", direct_kernel_boot_path().to_str().unwrap()])
.args(["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.args(["--platform", "num_pci_segments=16,iommu_segments=[1]"])
.args([
"--platform",
&format!("num_pci_segments={MAX_NUM_PCI_SEGMENTS},iommu_segments=[1]"),
])
.default_disks()
.capture_output()
.default_net();
@ -2474,7 +2483,10 @@ mod common_parallel {
.args(["--memory", "size=512M"])
.args(["--kernel", direct_kernel_boot_path().to_str().unwrap()])
.args(["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.args(["--platform", "num_pci_segments=16"])
.args([
"--platform",
&format!("num_pci_segments={MAX_NUM_PCI_SEGMENTS}"),
])
.args([
"--disk",
format!(
@ -2501,15 +2513,15 @@ mod common_parallel {
let grep_cmd = "lspci | grep \"Host bridge\" | wc -l";
let r = std::panic::catch_unwind(|| {
// There should be 16 PCI host bridges in the guest.
// There should be MAX_NUM_PCI_SEGMENTS PCI host bridges in the guest.
assert_eq!(
guest
.ssh_command(grep_cmd)
.unwrap()
.trim()
.parse::<u32>()
.parse::<u16>()
.unwrap_or_default(),
16
MAX_NUM_PCI_SEGMENTS
);
// Check both if /dev/vdc exists and if the block size is 4M.
@ -5298,7 +5310,10 @@ mod common_parallel {
.capture_output();
if pci_segment.is_some() {
cmd.args(["--platform", "num_pci_segments=16"]);
cmd.args([
"--platform",
&format!("num_pci_segments={MAX_NUM_PCI_SEGMENTS}"),
]);
}
let mut child = cmd.spawn().unwrap();
@ -5434,7 +5449,10 @@ mod common_parallel {
.capture_output();
if pci_segment.is_some() {
cmd.args(["--platform", "num_pci_segments=16"]);
cmd.args([
"--platform",
&format!("num_pci_segments={MAX_NUM_PCI_SEGMENTS}"),
]);
}
let mut child = cmd.spawn().unwrap();