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4c192139cf
When using experimental feature "newstore", we save and load devices information from `persist.json` instead of `devices.json`, in such case, file `devices.json` isn't needed anymore, so remove it. Signed-off-by: Wei Zhang <zhangwei555@huawei.com>
107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
// Copyright (c) 2016 Intel Corporation
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// Copyright (c) 2019 Huawei Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package persistapi
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// ============= sandbox level resources =============
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// BlockDrive represents a block storage drive which may be used in case the storage
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// driver has an underlying block storage device.
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type BlockDrive struct {
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// File is the path to the disk-image/device which will be used with this drive
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File string
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// Format of the drive
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Format string
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// ID is used to identify this drive in the hypervisor options.
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ID string
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// Index assigned to the drive. In case of virtio-scsi, this is used as SCSI LUN index
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Index int
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// MmioAddr is used to identify the slot at which the drive is attached (order?).
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MmioAddr string
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// PCIAddr is the PCI address used to identify the slot at which the drive is attached.
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PCIAddr string
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// SCSI Address of the block device, in case the device is attached using SCSI driver
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// SCSI address is in the format SCSI-Id:LUN
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SCSIAddr string
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// NvdimmID is the nvdimm id inside the VM
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NvdimmID string
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// VirtPath at which the device appears inside the VM, outside of the container mount namespace
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VirtPath string
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}
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// VFIODev represents a VFIO drive used for hotplugging
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type VFIODev struct {
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// ID is used to identify this drive in the hypervisor options.
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ID string
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// Type of VFIO device
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Type uint32
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// BDF (Bus:Device.Function) of the PCI address
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BDF string
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// Sysfsdev of VFIO mediated device
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SysfsDev string
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}
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// VhostUserDeviceAttrs represents data shared by most vhost-user devices
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type VhostUserDeviceAttrs struct {
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DevID string
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SocketPath string
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Type string
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// MacAddress is only meaningful for vhost user net device
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MacAddress string
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}
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// DeviceState is sandbox level resource which represents host devices
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// plugged to hypervisor, one Device can be shared among containers in POD
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// Refs: virtcontainers/device/drivers/generic.go:GenericDevice
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type DeviceState struct {
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ID string
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// Type is used to specify driver type
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// Refs: virtcontainers/device/config/config.go:DeviceType
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Type string
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RefCount uint
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AttachCount uint
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// Type of device: c, b, u or p
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// c , u - character(unbuffered)
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// p - FIFO
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// b - block(buffered) special file
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// More info in mknod(1).
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DevType string
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// Major, minor numbers for device.
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Major int64
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Minor int64
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// DriverOptions is specific options for each device driver
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// for example, for BlockDevice, we can set DriverOptions["blockDriver"]="virtio-blk"
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DriverOptions map[string]string
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// ============ device driver specific data ===========
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// BlockDrive is specific for block device driver
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BlockDrive *BlockDrive `json:",omitempty"`
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// VFIODev is specific VFIO device driver
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VFIODevs []*VFIODev `json:",omitempty"`
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// VhostUserDeviceAttrs is specific for vhost-user device driver
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VhostUserDev *VhostUserDeviceAttrs `json:",omitempty"`
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// ============ end device driver specific data ===========
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}
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