virtio,acpi: features, fixes, cleanups.

vdpa support
 virtio-mem support
 a handy script for disassembling acpi tables
 misc fixes and cleanups
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,acpi: features, fixes, cleanups.

vdpa support
virtio-mem support
a handy script for disassembling acpi tables
misc fixes and cleanups

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 07 Jul 2020 13:00:35 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (41 commits)
  vhost-vdpa: introduce vhost-vdpa net client
  vhost-vdpa: introduce vhost-vdpa backend
  vhost_net: introduce set_config & get_config
  vhost: implement vhost_force_iommu method
  vhost: introduce new VhostOps vhost_force_iommu
  vhost: implement vhost_vq_get_addr method
  vhost: introduce new VhostOps vhost_vq_get_addr
  vhost: implement vhost_dev_start method
  vhost: introduce new VhostOps vhost_dev_start
  vhost: check the existence of vhost_set_iotlb_callback
  virtio-pci: implement queue_enabled method
  virtio-bus: introduce queue_enabled method
  vhost_net: use the function qemu_get_peer
  net: introduce qemu_get_peer
  MAINTAINERS: add VT-d entry
  docs: vhost-user: add Virtio status protocol feature
  tests/acpi: remove stale allowed tables
  numa: Auto-enable NUMA when any memory devices are possible
  virtio-mem: Exclude unplugged memory during migration
  virtio-mem: Add trace events
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/arm/virt.c
#	hw/virtio/trace-events
This commit is contained in:
Peter Maydell 2020-07-07 17:37:44 +01:00
commit c8eaf81fd2
67 changed files with 2639 additions and 169 deletions

View file

@ -17,7 +17,8 @@ typedef enum VhostBackendType {
VHOST_BACKEND_TYPE_NONE = 0,
VHOST_BACKEND_TYPE_KERNEL = 1,
VHOST_BACKEND_TYPE_USER = 2,
VHOST_BACKEND_TYPE_MAX = 3,
VHOST_BACKEND_TYPE_VDPA = 3,
VHOST_BACKEND_TYPE_MAX = 4,
} VhostBackendType;
typedef enum VhostSetConfigType {
@ -34,6 +35,7 @@ struct vhost_vring_state;
struct vhost_vring_addr;
struct vhost_scsi_target;
struct vhost_iotlb_msg;
struct vhost_virtqueue;
typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
@ -112,6 +114,16 @@ typedef int (*vhost_get_inflight_fd_op)(struct vhost_dev *dev,
typedef int (*vhost_set_inflight_fd_op)(struct vhost_dev *dev,
struct vhost_inflight *inflight);
typedef int (*vhost_dev_start_op)(struct vhost_dev *dev, bool started);
typedef int (*vhost_vq_get_addr_op)(struct vhost_dev *dev,
struct vhost_vring_addr *addr,
struct vhost_virtqueue *vq);
typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id);
typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);
typedef struct VhostOps {
VhostBackendType backend_type;
vhost_backend_init vhost_backend_init;
@ -152,9 +164,14 @@ typedef struct VhostOps {
vhost_backend_mem_section_filter_op vhost_backend_mem_section_filter;
vhost_get_inflight_fd_op vhost_get_inflight_fd;
vhost_set_inflight_fd_op vhost_set_inflight_fd;
vhost_dev_start_op vhost_dev_start;
vhost_vq_get_addr_op vhost_vq_get_addr;
vhost_get_device_id_op vhost_get_device_id;
vhost_force_iommu_op vhost_force_iommu;
} VhostOps;
extern const VhostOps user_ops;
extern const VhostOps vdpa_ops;
int vhost_set_backend_type(struct vhost_dev *dev,
VhostBackendType backend_type);

View file

@ -0,0 +1,26 @@
/*
* vhost-vdpa.h
*
* Copyright(c) 2017-2018 Intel Corporation.
* Copyright(c) 2020 Red Hat, Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef HW_VIRTIO_VHOST_VDPA_H
#define HW_VIRTIO_VHOST_VDPA_H
#include "hw/virtio/virtio.h"
typedef struct vhost_vdpa {
int device_fd;
uint32_t msg_type;
MemoryListener listener;
} VhostVDPA;
extern AddressSpace address_space_memory;
extern int vhost_vdpa_get_device_id(struct vhost_dev *dev,
uint32_t *device_id);
#endif

View file

@ -92,6 +92,13 @@ struct vhost_dev {
const VhostDevConfigOps *config_ops;
};
struct vhost_net {
struct vhost_dev dev;
struct vhost_virtqueue vqs[2];
int backend;
NetClientState *nc;
};
int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
VhostBackendType backend_type,
uint32_t busyloop_timeout);

View file

@ -83,6 +83,10 @@ typedef struct VirtioBusClass {
*/
int (*ioeventfd_assign)(DeviceState *d, EventNotifier *notifier,
int n, bool assign);
/*
* Whether queue number n is enabled.
*/
bool (*queue_enabled)(DeviceState *d, int n);
/*
* Does the transport have variable vring alignment?
* (ie can it ever call virtio_queue_set_align()?)

View file

@ -0,0 +1,86 @@
/*
* Virtio MEM device
*
* Copyright (C) 2020 Red Hat, Inc.
*
* Authors:
* David Hildenbrand <david@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_VIRTIO_MEM_H
#define HW_VIRTIO_MEM_H
#include "standard-headers/linux/virtio_mem.h"
#include "hw/virtio/virtio.h"
#include "qapi/qapi-types-misc.h"
#include "sysemu/hostmem.h"
#define TYPE_VIRTIO_MEM "virtio-mem"
#define VIRTIO_MEM(obj) \
OBJECT_CHECK(VirtIOMEM, (obj), TYPE_VIRTIO_MEM)
#define VIRTIO_MEM_CLASS(oc) \
OBJECT_CLASS_CHECK(VirtIOMEMClass, (oc), TYPE_VIRTIO_MEM)
#define VIRTIO_MEM_GET_CLASS(obj) \
OBJECT_GET_CLASS(VirtIOMEMClass, (obj), TYPE_VIRTIO_MEM)
#define VIRTIO_MEM_MEMDEV_PROP "memdev"
#define VIRTIO_MEM_NODE_PROP "node"
#define VIRTIO_MEM_SIZE_PROP "size"
#define VIRTIO_MEM_REQUESTED_SIZE_PROP "requested-size"
#define VIRTIO_MEM_BLOCK_SIZE_PROP "block-size"
#define VIRTIO_MEM_ADDR_PROP "memaddr"
typedef struct VirtIOMEM {
VirtIODevice parent_obj;
/* guest -> host request queue */
VirtQueue *vq;
/* bitmap used to track unplugged memory */
int32_t bitmap_size;
unsigned long *bitmap;
/* assigned memory backend and memory region */
HostMemoryBackend *memdev;
/* NUMA node */
uint32_t node;
/* assigned address of the region in guest physical memory */
uint64_t addr;
/* usable region size (<= region_size) */
uint64_t usable_region_size;
/* actual size (how much the guest plugged) */
uint64_t size;
/* requested size */
uint64_t requested_size;
/* block size and alignment */
uint64_t block_size;
/* notifiers to notify when "size" changes */
NotifierList size_change_notifiers;
/* don't migrate unplugged memory */
NotifierWithReturn precopy_notifier;
} VirtIOMEM;
typedef struct VirtIOMEMClass {
/* private */
VirtIODevice parent;
/* public */
void (*fill_device_info)(const VirtIOMEM *vmen, VirtioMEMDeviceInfo *vi);
MemoryRegion *(*get_memory_region)(VirtIOMEM *vmem, Error **errp);
void (*add_size_change_notifier)(VirtIOMEM *vmem, Notifier *notifier);
void (*remove_size_change_notifier)(VirtIOMEM *vmem, Notifier *notifier);
} VirtIOMEMClass;
#endif