Files
kata-containers/src/runtime/pkg/device/manager/utils.go
Eric Ernst f9e96c6506 runtime: device: move to top level package
Let's move device package to runtime/pkg instead of being buried under
virtcontainers.

Signed-off-by: Eric Ernst <eric_ernst@apple.com>
2022-06-26 21:31:29 -07:00

48 lines
1.1 KiB
Go

// Copyright (c) 2017-2018 Intel Corporation
// Copyright (c) 2018 Huawei Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package manager
import (
"path/filepath"
"strings"
"github.com/kata-containers/kata-containers/src/runtime/pkg/device/config"
)
const (
vfioPath = "/dev/vfio/"
)
// isVFIO checks if the device provided is a vfio group.
func isVFIO(hostPath string) bool {
// Ignore /dev/vfio/vfio character device
if strings.HasPrefix(hostPath, filepath.Join(vfioPath, "vfio")) {
return false
}
if strings.HasPrefix(hostPath, vfioPath) && len(hostPath) > len(vfioPath) {
return true
}
return false
}
// isBlock checks if the device is a block device.
func isBlock(devInfo config.DeviceInfo) bool {
return devInfo.DevType == "b"
}
// isVhostUserBlk checks if the device is a VhostUserBlk device.
func isVhostUserBlk(devInfo config.DeviceInfo) bool {
return devInfo.DevType == "b" && devInfo.Major == config.VhostUserBlkMajor
}
// isVhostUserSCSI checks if the device is a VhostUserSCSI device.
func isVhostUserSCSI(devInfo config.DeviceInfo) bool {
return devInfo.DevType == "b" && devInfo.Major == config.VhostUserSCSIMajor
}