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-rw-r--r--include/hw/boards.h1
-rw-r--r--include/hw/pci/pci.h1
-rw-r--r--include/hw/vfio/vfio-common.h4
-rw-r--r--include/hw/virtio/vhost-backend.h19
-rw-r--r--include/hw/virtio/vhost-vdpa.h26
-rw-r--r--include/hw/virtio/vhost.h7
-rw-r--r--include/hw/virtio/virtio-bus.h4
-rw-r--r--include/hw/virtio/virtio-mem.h86
8 files changed, 145 insertions, 3 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 18815d9be2..426ce5f625 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -207,6 +207,7 @@ struct MachineClass {
const char **valid_cpu_types;
strList *allowed_dynamic_sysbus_devices;
bool auto_enable_numa_with_memhp;
+ bool auto_enable_numa_with_memdev;
void (*numa_auto_assign_ram)(MachineClass *mc, NodeInfo *nodes,
int nb_nodes, ram_addr_t size);
bool ignore_boot_device_suffixes;
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index a4e9c33416..c1bf7d5356 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -87,6 +87,7 @@ extern bool pci_available;
#define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012
#define PCI_DEVICE_ID_VIRTIO_PMEM 0x1013
#define PCI_DEVICE_ID_VIRTIO_IOMMU 0x1014
+#define PCI_DEVICE_ID_VIRTIO_MEM 0x1015
#define PCI_VENDOR_ID_REDHAT 0x1b36
#define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index fd564209ac..c78f3ff559 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -108,7 +108,7 @@ typedef struct VFIODevice {
bool reset_works;
bool needs_reset;
bool no_mmap;
- bool balloon_allowed;
+ bool ram_block_discard_allowed;
VFIODeviceOps *ops;
unsigned int num_irqs;
unsigned int num_regions;
@@ -128,7 +128,7 @@ typedef struct VFIOGroup {
QLIST_HEAD(, VFIODevice) device_list;
QLIST_ENTRY(VFIOGroup) next;
QLIST_ENTRY(VFIOGroup) container_next;
- bool balloon_allowed;
+ bool ram_block_discard_allowed;
} VFIOGroup;
typedef struct VFIODMABuf {
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 6f6670783f..8825bd278f 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -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);
diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h
new file mode 100644
index 0000000000..6455663388
--- /dev/null
+++ b/include/hw/virtio/vhost-vdpa.h
@@ -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
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 085450c6f8..767a95ec0b 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -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);
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h
index 38c9399cd4..0f6f215925 100644
--- a/include/hw/virtio/virtio-bus.h
+++ b/include/hw/virtio/virtio-bus.h
@@ -84,6 +84,10 @@ 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()?)
* Note that changing this will break migration for this transport.
diff --git a/include/hw/virtio/virtio-mem.h b/include/hw/virtio/virtio-mem.h
new file mode 100644
index 0000000000..0778224964
--- /dev/null
+++ b/include/hw/virtio/virtio-mem.h
@@ -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
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-28 12:54:12 +0000