c672f348cb
In commita585fad26b("vdpa: request iova_range only once") we remove GET_IOVA_RANGE form vhost_vdpa_init, the generic vdpa device will start without iova_range populated, so the device won't work. Let's call GET_IOVA_RANGE ioctl explicitly. Fixes:a585fad26b("vdpa: request iova_range only once") Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221224114848.3062-2-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/*
|
|
* 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 <gmodule.h>
|
|
|
|
#include "hw/virtio/vhost-iova-tree.h"
|
|
#include "hw/virtio/vhost-shadow-virtqueue.h"
|
|
#include "hw/virtio/virtio.h"
|
|
#include "standard-headers/linux/vhost_types.h"
|
|
|
|
/*
|
|
* ASID dedicated to map guest's addresses. If SVQ is disabled it maps GPA to
|
|
* qemu's IOVA. If SVQ is enabled it maps also the SVQ vring here
|
|
*/
|
|
#define VHOST_VDPA_GUEST_PA_ASID 0
|
|
|
|
typedef struct VhostVDPAHostNotifier {
|
|
MemoryRegion mr;
|
|
void *addr;
|
|
} VhostVDPAHostNotifier;
|
|
|
|
typedef struct vhost_vdpa {
|
|
int device_fd;
|
|
int index;
|
|
uint32_t msg_type;
|
|
bool iotlb_batch_begin_sent;
|
|
uint32_t address_space_id;
|
|
MemoryListener listener;
|
|
struct vhost_vdpa_iova_range iova_range;
|
|
uint64_t acked_features;
|
|
bool shadow_vqs_enabled;
|
|
/* Vdpa must send shadow addresses as IOTLB key for data queues, not GPA */
|
|
bool shadow_data;
|
|
/* IOVA mapping used by the Shadow Virtqueue */
|
|
VhostIOVATree *iova_tree;
|
|
GPtrArray *shadow_vqs;
|
|
const VhostShadowVirtqueueOps *shadow_vq_ops;
|
|
void *shadow_vq_ops_opaque;
|
|
struct vhost_dev *dev;
|
|
VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX];
|
|
} VhostVDPA;
|
|
|
|
int vhost_vdpa_get_iova_range(int fd, struct vhost_vdpa_iova_range *iova_range);
|
|
|
|
int vhost_vdpa_dma_map(struct vhost_vdpa *v, uint32_t asid, hwaddr iova,
|
|
hwaddr size, void *vaddr, bool readonly);
|
|
int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, uint32_t asid, hwaddr iova,
|
|
hwaddr size);
|
|
|
|
#endif
|