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vmm: Add "add-pmem" to the API

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Add the HTTP and internal API entry points for adding persistent memory
at runtime.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-03-23 16:21:58 +00:00
committed by Sebastien Boeuf
parent 15de30f141
commit f6f4c68fb4
4 changed files with 95 additions and 9 deletions
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vmm/src/lib.rs
+21 -1
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@@ -16,7 +16,7 @@ extern crate tempfile;
extern crate vmm_sys_util;
use crate::api::{ApiError, ApiRequest, ApiResponse, ApiResponsePayload, VmInfo, VmmPingResponse};
use crate::config::{DeviceConfig, DiskConfig, VmConfig};
use crate::config::{DeviceConfig, DiskConfig, PmemConfig, VmConfig};
use crate::seccomp_filters::{get_seccomp_filter, Thread};
use crate::vm::{Error as VmError, Vm, VmState};
use libc::EFD_NONBLOCK;
@@ -428,6 +428,19 @@ impl Vmm {
}
}
fn vm_add_pmem(&mut self, pmem_cfg: PmemConfig) -> result::Result<(), VmError> {
if let Some(ref mut vm) = self.vm {
if let Err(e) = vm.add_pmem(pmem_cfg) {
error!("Error when adding new pmem device to the VM: {:?}", e);
Err(e)
} else {
Ok(())
}
} else {
Err(VmError::VmNotRunning)
}
}
fn control_loop(&mut self, api_receiver: Arc<Receiver<ApiRequest>>) -> Result<()> {
const EPOLL_EVENTS_LEN: usize = 100;
@@ -604,6 +617,13 @@ impl Vmm {
.map(|_| ApiResponsePayload::Empty);
sender.send(response).map_err(Error::ApiResponseSend)?;
}
ApiRequest::VmAddPmem(add_pmem_data, sender) => {
let response = self
.vm_add_pmem(add_pmem_data.as_ref().clone())
.map_err(ApiError::VmAddPmem)
.map(|_| ApiResponsePayload::Empty);
sender.send(response).map_err(Error::ApiResponseSend)?;
}
}
}
}