diff options
Diffstat (limited to 'hw/display/virtio-gpu.c')
| -rw-r--r-- | hw/display/virtio-gpu.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index fdcedfc61e..7a0db3a860 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -615,7 +615,7 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, } int virtio_gpu_create_mapping_iov(VirtIOGPU *g, - struct virtio_gpu_resource_attach_backing *ab, + uint32_t nr_entries, uint32_t offset, struct virtio_gpu_ctrl_command *cmd, uint64_t **addr, struct iovec **iov, uint32_t *niov) @@ -624,17 +624,17 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, size_t esize, s; int e, v; - if (ab->nr_entries > 16384) { + if (nr_entries > 16384) { qemu_log_mask(LOG_GUEST_ERROR, "%s: nr_entries is too big (%d > 16384)\n", - __func__, ab->nr_entries); + __func__, nr_entries); return -1; } - esize = sizeof(*ents) * ab->nr_entries; + esize = sizeof(*ents) * nr_entries; ents = g_malloc(esize); s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, - sizeof(*ab), ents, esize); + offset, ents, esize); if (s != esize) { qemu_log_mask(LOG_GUEST_ERROR, "%s: command data size incorrect %zu vs %zu\n", @@ -647,7 +647,7 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, if (addr) { *addr = NULL; } - for (e = 0, v = 0; e < ab->nr_entries; e++) { + for (e = 0, v = 0; e < nr_entries; e++) { uint64_t a = le64_to_cpu(ents[e].addr); uint32_t l = le32_to_cpu(ents[e].length); hwaddr len; @@ -659,8 +659,7 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, a, &len, DMA_DIRECTION_TO_DEVICE); if (!map) { qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" - " resource %d element %d\n", - __func__, ab->resource_id, e); + " element %d\n", __func__, e); virtio_gpu_cleanup_mapping_iov(g, *iov, v); g_free(ents); *iov = NULL; @@ -743,8 +742,8 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g, return; } - ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, - &res->iov, &res->iov_cnt); + ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd, + &res->addrs, &res->iov, &res->iov_cnt); if (ret != 0) { cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; return; |