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charset="utf-8" So that the batching API can be called from other file externally than the local. Signed-off-by: Si-Wei Liu --- hw/virtio/vhost-vdpa.c | 21 +++++++++++++++------ include/hw/virtio/vhost-vdpa.h | 3 +++ 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index b7896a8..68dc01b 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -187,7 +187,7 @@ static bool vhost_vdpa_map_batch_begin(VhostVDPAShared = *s, uint32_t asid) return true; } =20 -static int vhost_vdpa_dma_batch_begin_once(VhostVDPAShared *s, uint32_t as= id) +int vhost_vdpa_dma_batch_begin_once(VhostVDPAShared *s, uint32_t asid) { if (!(s->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH))) { return 0; @@ -237,7 +237,7 @@ static bool vhost_vdpa_dma_batch_end(VhostVDPAShared *s= , uint32_t asid) return true; } =20 -static int vhost_vdpa_dma_batch_end_once(VhostVDPAShared *s, uint32_t asid) +int vhost_vdpa_dma_batch_end_once(VhostVDPAShared *s, uint32_t asid) { if (!(s->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH))) { return 0; @@ -436,7 +436,12 @@ static void vhost_vdpa_listener_region_add(MemoryListe= ner *listener, iova =3D mem_region.iova; } =20 - vhost_vdpa_dma_batch_begin_once(s, VHOST_VDPA_GUEST_PA_ASID); + ret =3D vhost_vdpa_dma_batch_begin_once(s, VHOST_VDPA_GUEST_PA_ASID); + if (unlikely(ret)) { + error_report("Can't batch mapping on asid 0 (%p)", s); + goto fail_map; + } + ret =3D vhost_vdpa_dma_map(s, VHOST_VDPA_GUEST_PA_ASID, iova, int128_get64(llsize), vaddr, section->readonl= y); if (ret) { @@ -518,7 +523,11 @@ static void vhost_vdpa_listener_region_del(MemoryListe= ner *listener, iova =3D result->iova; vhost_iova_tree_remove(s->iova_tree, *result); } - vhost_vdpa_dma_batch_begin_once(s, VHOST_VDPA_GUEST_PA_ASID); + ret =3D vhost_vdpa_dma_batch_begin_once(s, VHOST_VDPA_GUEST_PA_ASID); + if (ret) { + error_report("Can't batch mapping on asid 0 (%p)", s); + } + /* * The unmap ioctl doesn't accept a full 64-bit. need to check it */ @@ -1396,10 +1405,10 @@ static void *vhost_vdpa_load_map(void *opaque) msg->iotlb.size); break; case VHOST_IOTLB_BATCH_BEGIN: - vhost_vdpa_dma_batch_begin_once(shared, msg->asid); + r =3D vhost_vdpa_dma_batch_begin_once(shared, msg->asid); break; case VHOST_IOTLB_BATCH_END: - vhost_vdpa_dma_batch_end_once(shared, msg->asid); + r =3D vhost_vdpa_dma_batch_end_once(shared, msg->asid); break; default: error_report("Invalid IOTLB msg type %d", msg->iotlb.type); diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 219316f..aa13679 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -106,6 +106,9 @@ int vhost_vdpa_dma_map(VhostVDPAShared *s, uint32_t asi= d, hwaddr iova, hwaddr size, void *vaddr, bool readonly); int vhost_vdpa_dma_unmap(VhostVDPAShared *s, uint32_t asid, hwaddr iova, hwaddr size); +int vhost_vdpa_dma_batch_begin_once(VhostVDPAShared *s, uint32_t asid); +int vhost_vdpa_dma_batch_end_once(VhostVDPAShared *s, uint32_t asid); + int vhost_vdpa_load_setup(VhostVDPAShared *s, AddressSpace *dma_as); int vhost_vdpa_load_cleanup(VhostVDPAShared *s, bool vhost_will_start); =20 --=20 1.8.3.1