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ch-remote: Support removing VFIO devices

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Add a "remove-device" command that allows removing VFIO devices from the
VM after boot.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-03-10 16:38:04 +00:00 committed by Sebastien Boeuf
parent 0d53ba4395
commit 9a7d9c9465
1 changed files with 25 additions and 1 deletions
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26
src/bin/ch-remote.rs
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@ -202,6 +202,17 @@ fn add_device_api_command(socket: &mut UnixStream, config: &str) -> Result<(), E
)
}
fn remove_device_api_command(socket: &mut UnixStream, id: &str) -> Result<(), Error> {
let remove_device_data = vmm::api::VmRemoveDeviceData { id: id.to_owned() };
simple_api_command(
socket,
"PUT",
"remove-device",
Some(&serde_json::to_string(&remove_device_data).unwrap()),
)
}
fn do_command(matches: &ArgMatches) -> Result<(), Error> {
let mut socket =
UnixStream::connect(matches.value_of("api-socket").unwrap()).map_err(Error::Socket)?;
@ -227,6 +238,14 @@ fn do_command(matches: &ArgMatches) -> Result<(), Error> {
.value_of("device_config")
.unwrap(),
),
Some("remove-device") => remove_device_api_command(
&mut socket,
matches
.subcommand_matches("remove-device")
.unwrap()
.value_of("id")
.unwrap(),
),
Some(c) => simple_api_command(&mut socket, "PUT", c, None),
None => unreachable!(),
}
@ -250,9 +269,14 @@ fn main() {
.about("Add VFIO device")
.arg(Arg::with_name("device_config").index(1).help(
"Direct device assignment parameters \
\"path=<device_path>,iommu=on|off\"",
\"path=<device_path>,iommu=on|off,id=<device_id>\"",
)),
)
.subcommand(
SubCommand::with_name("remove-device")
.about("Remove VFIO device")
.arg(Arg::with_name("id").index(1).help("<device_id>")),
)
.subcommand(SubCommand::with_name("info").about("Info on the VM"))
.subcommand(SubCommand::with_name("pause").about("Pause the VM"))
.subcommand(SubCommand::with_name("reboot").about("Reboot the VM"))