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[SDK][VIRTIO][NETKVM] Make VirtIO a separate library (#6280)
* [SDK][VIRTIO][NETKVM] Make VirtIO a separate library This is to avoid code duplication when more VirtIO drivers are brought in. This will also be used on development of a VirtIO XDDM GPU Driver. * [VIRTIO] Sync with upstream
This commit is contained in:
Adam Słaboń
GitHub
parent
96d5b6281d
commit
823fdb19d7
20 changed files with 35 additions and 8 deletions
19
sdk/lib/drivers/virtio/linux/types.h
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sdk/lib/drivers/virtio/linux/types.h
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#ifndef _LINUX_TYPES_H
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#define _LINUX_TYPES_H
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#define __bitwise__
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// #define __attribute__(x)
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#define u8 unsigned char
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#define u16 unsigned short
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#define u32 unsigned long
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#define u64 ULONGLONG
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#define __u8 unsigned char
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#define __u16 unsigned short
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#define __le16 unsigned short
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#define __u32 unsigned long
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#define __le32 unsigned long
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#define __u64 ULONGLONG
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#endif /* _LINUX_TYPES_H */
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73
sdk/lib/drivers/virtio/linux/virtio_config.h
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sdk/lib/drivers/virtio/linux/virtio_config.h
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#ifndef _UAPI_LINUX_VIRTIO_CONFIG_H
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#define _UAPI_LINUX_VIRTIO_CONFIG_H
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/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
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* anyone can use the definitions to implement compatible drivers/servers.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of IBM nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE. */
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/* Virtio devices use a standardized configuration space to define their
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* features and pass configuration information, but each implementation can
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* store and access that space differently. */
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/* Status byte for guest to report progress, and synchronize features. */
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/* We have seen device and processed generic fields (VIRTIO_CONFIG_F_VIRTIO) */
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#define VIRTIO_CONFIG_S_ACKNOWLEDGE 1
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/* We have found a driver for the device. */
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#define VIRTIO_CONFIG_S_DRIVER 2
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/* Driver has used its parts of the config, and is happy */
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#define VIRTIO_CONFIG_S_DRIVER_OK 4
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/* Driver has finished configuring features */
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#define VIRTIO_CONFIG_S_FEATURES_OK 8
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/* Device entered invalid state, driver SHOULD reset it */
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#define VIRTIO_CONFIG_S_NEEDS_RESET 0x40
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/* We've given up on this device. */
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#define VIRTIO_CONFIG_S_FAILED 0x80
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/* virtio library features bits */
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/* Some virtio feature bits (currently bits 28 through 31) are reserved for the
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* transport being used (eg. virtio_ring), the rest are per-device feature
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* bits. */
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#define VIRTIO_TRANSPORT_F_START 28
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#define VIRTIO_TRANSPORT_F_END 32
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/* Do we get callbacks when the ring is completely used, even if we've
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* suppressed them? */
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#define VIRTIO_F_NOTIFY_ON_EMPTY 24
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/* Can the device handle any descriptor layout? */
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#define VIRTIO_F_ANY_LAYOUT 27
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/* v1.0 compliant. */
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#define VIRTIO_F_VERSION_1 32
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#define VIRTIO_F_IOMMU_PLATFORM 33
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/* This feature indicates support for the packed virtqueue layout. */
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#define VIRTIO_F_RING_PACKED 34
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// if this number is not equal to desc size, queue creation fails
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#define SIZE_OF_SINGLE_INDIRECT_DESC 16
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#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */
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47
sdk/lib/drivers/virtio/linux/virtio_types.h
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sdk/lib/drivers/virtio/linux/virtio_types.h
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#ifndef _UAPI_LINUX_VIRTIO_TYPES_H
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#define _UAPI_LINUX_VIRTIO_TYPES_H
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/* Type definitions for virtio implementations.
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*
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* This header is BSD licensed so anyone can use the definitions to implement
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* compatible drivers/servers.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of IBM nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Copyright (C) 2014 Red Hat, Inc.
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* Author: Michael S. Tsirkin <mst@redhat.com>
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*/
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#include "linux/types.h"
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/*
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* __virtio{16,32,64} have the following meaning:
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* - __u{16,32,64} for virtio devices in legacy mode, accessed in native endian
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* - __le{16,32,64} for standard-compliant virtio devices
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*/
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typedef __u16 __bitwise__ __virtio16;
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typedef __u32 __bitwise__ __virtio32;
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typedef __u64 __bitwise__ __virtio64;
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#endif /* _UAPI_LINUX_VIRTIO_TYPES_H */
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