mirror of
https://github.com/aljazceru/kata-containers.git
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dcd48a9ca1
Not all hypervisors support filesystem sharing. Add capability flags to track this. Since most hypervisor implementations in Kata *do* support this, the set semantices are reversed (ie, set the flag if you do not support the feature). Fixes: #1022 Signed-off-by: Eric Ernst <eric.ernst@intel.com> Signed-off-by: Julio Montes <julio.montes@intel.com>
59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
// Copyright (c) 2017 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package virtcontainers
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const (
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blockDeviceSupport = 1 << iota
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blockDeviceHotplugSupport
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multiQueueSupport
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fsSharingUnsupported
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)
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type capabilities struct {
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flags uint
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}
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func (caps *capabilities) isBlockDeviceSupported() bool {
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if caps.flags&blockDeviceSupport != 0 {
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return true
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}
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return false
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}
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func (caps *capabilities) setBlockDeviceSupport() {
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caps.flags = caps.flags | blockDeviceSupport
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}
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func (caps *capabilities) isBlockDeviceHotplugSupported() bool {
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if caps.flags&blockDeviceHotplugSupport != 0 {
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return true
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}
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return false
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}
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func (caps *capabilities) setBlockDeviceHotplugSupport() {
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caps.flags |= blockDeviceHotplugSupport
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}
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func (caps *capabilities) isMultiQueueSupported() bool {
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if caps.flags&multiQueueSupport != 0 {
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return true
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}
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return false
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}
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func (caps *capabilities) setMultiQueueSupport() {
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caps.flags |= multiQueueSupport
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}
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func (caps *capabilities) isFsSharingSupported() bool {
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return caps.flags&fsSharingUnsupported == 0
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}
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func (caps *capabilities) setFsSharingUnsupported() {
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caps.flags |= fsSharingUnsupported
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}
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