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vdpa: use dev_shared in vdpa_iommu

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The memory listener functions can call these too.  Make vdpa_iommu work
with VhostVDPAShared.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20231221174322.3130442-13-eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eugenio Pérez 2023-12-21 18:43:21 +01:00 • committed by Michael S. Tsirkin
parent 6f03d9ef8a
commit b06a38f2b0
2 changed files with 9 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

16
hw/virtio/vhost-vdpa.c
View file

@ -199,7 +199,7 @@ static void vhost_vdpa_iommu_map_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
struct vdpa_iommu *iommu = container_of(n, struct vdpa_iommu, n); struct vdpa_iommu *iommu = container_of(n, struct vdpa_iommu, n);
hwaddr iova = iotlb->iova + iommu->iommu_offset; hwaddr iova = iotlb->iova + iommu->iommu_offset;
struct vhost_vdpa *v = iommu->dev; VhostVDPAShared *s = iommu->dev_shared;
void *vaddr; void *vaddr;
int ret; int ret;
Int128 llend; Int128 llend;
@ -212,10 +212,10 @@ static void vhost_vdpa_iommu_map_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
RCU_READ_LOCK_GUARD(); RCU_READ_LOCK_GUARD();
/* check if RAM section out of device range */ /* check if RAM section out of device range */
llend = int128_add(int128_makes64(iotlb->addr_mask), int128_makes64(iova)); llend = int128_add(int128_makes64(iotlb->addr_mask), int128_makes64(iova));
if (int128_gt(llend, int128_make64(v->shared->iova_range.last))) { if (int128_gt(llend, int128_make64(s->iova_range.last))) {
error_report("RAM section out of device range (max=0x%" PRIx64 error_report("RAM section out of device range (max=0x%" PRIx64
", end addr=0x%" PRIx64 ")", ", end addr=0x%" PRIx64 ")",
v->shared->iova_range.last, int128_get64(llend)); s->iova_range.last, int128_get64(llend));
return; return;
} }
@ -225,20 +225,20 @@ static void vhost_vdpa_iommu_map_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
if (!memory_get_xlat_addr(iotlb, &vaddr, NULL, &read_only, NULL)) { if (!memory_get_xlat_addr(iotlb, &vaddr, NULL, &read_only, NULL)) {
return; return;
} }
ret = vhost_vdpa_dma_map(v->shared, VHOST_VDPA_GUEST_PA_ASID, iova, ret = vhost_vdpa_dma_map(s, VHOST_VDPA_GUEST_PA_ASID, iova,
iotlb->addr_mask + 1, vaddr, read_only); iotlb->addr_mask + 1, vaddr, read_only);
if (ret) { if (ret) {
error_report("vhost_vdpa_dma_map(%p, 0x%" HWADDR_PRIx ", " error_report("vhost_vdpa_dma_map(%p, 0x%" HWADDR_PRIx ", "
"0x%" HWADDR_PRIx ", %p) = %d (%m)", "0x%" HWADDR_PRIx ", %p) = %d (%m)",
v, iova, iotlb->addr_mask + 1, vaddr, ret); s, iova, iotlb->addr_mask + 1, vaddr, ret);
} }
} else { } else {
ret = vhost_vdpa_dma_unmap(v->shared, VHOST_VDPA_GUEST_PA_ASID, iova, ret = vhost_vdpa_dma_unmap(s, VHOST_VDPA_GUEST_PA_ASID, iova,
iotlb->addr_mask + 1); iotlb->addr_mask + 1);
if (ret) { if (ret) {
error_report("vhost_vdpa_dma_unmap(%p, 0x%" HWADDR_PRIx ", " error_report("vhost_vdpa_dma_unmap(%p, 0x%" HWADDR_PRIx ", "
"0x%" HWADDR_PRIx ") = %d (%m)", "0x%" HWADDR_PRIx ") = %d (%m)",
v, iova, iotlb->addr_mask + 1, ret); s, iova, iotlb->addr_mask + 1, ret);
} }
} }
} }
@ -270,7 +270,7 @@ static void vhost_vdpa_iommu_region_add(MemoryListener *listener,
iommu_idx); iommu_idx);
iommu->iommu_offset = section->offset_within_address_space - iommu->iommu_offset = section->offset_within_address_space -
section->offset_within_region; section->offset_within_region;
iommu->dev = v; iommu->dev_shared = v->shared;
ret = memory_region_register_iommu_notifier(section->mr, &iommu->n, NULL); ret = memory_region_register_iommu_notifier(section->mr, &iommu->n, NULL);
if (ret) { if (ret) {

2
include/hw/virtio/vhost-vdpa.h
View file

@ -75,7 +75,7 @@ int vhost_vdpa_dma_unmap(VhostVDPAShared *s, uint32_t asid, hwaddr iova,
hwaddr size); hwaddr size);
typedef struct vdpa_iommu { typedef struct vdpa_iommu {
struct vhost_vdpa *dev; VhostVDPAShared *dev_shared;
IOMMUMemoryRegion *iommu_mr; IOMMUMemoryRegion *iommu_mr;
hwaddr iommu_offset; hwaddr iommu_offset;
IOMMUNotifier n; IOMMUNotifier n;