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runtime: Instantiate/pass vfio-ap device to ociSpec

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This commit adds the missing step of passing an attached vfio-ap device
to a container via ociSpec. It instantiates and passes a vfio-ap device
(e.g. a Z crypto device).
A device at `/dev/z90crypt` covers all use cases at the time of writing.

Signed-off-by: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>
This commit is contained in:
Hyounggyu Choi
2024-05-29 14:07:15 +02:00
parent f0187ff969
commit 99690ab202
2 changed files with 6 additions and 1 deletions
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6
src/agent/src/device.rs
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@@ -933,7 +933,11 @@ async fn vfio_ap_device_handler(
for apqn in device.options.iter() { for apqn in device.options.iter() {
wait_for_ap_device(sandbox, ap::Address::from_str(apqn)?).await?; wait_for_ap_device(sandbox, ap::Address::from_str(apqn)?).await?;
} }
Ok(Default::default()) let dev_update = Some(DevUpdate::new(Z9_CRYPT_DEV_PATH, Z9_CRYPT_DEV_PATH)?);
Ok(SpecUpdate {
dev: dev_update,
pci: Vec::new(),
})
} }
#[cfg(not(target_arch = "s390x"))] #[cfg(not(target_arch = "s390x"))]

1
src/agent/src/linux_abi.rs
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@@ -71,6 +71,7 @@ cfg_if! {
pub const CCW_ROOT_BUS_PATH: &str = "/devices/css0"; pub const CCW_ROOT_BUS_PATH: &str = "/devices/css0";
pub const AP_ROOT_BUS_PATH: &str = "/devices/ap"; pub const AP_ROOT_BUS_PATH: &str = "/devices/ap";
pub const AP_SCANS_PATH: &str = "/sys/bus/ap/scans"; pub const AP_SCANS_PATH: &str = "/sys/bus/ap/scans";
pub const Z9_CRYPT_DEV_PATH: &str = "/dev/z90crypt";
} }
} }