diff options
Diffstat (limited to 'hw/display/virtio-gpu.c')
| -rw-r--r-- | hw/display/virtio-gpu.c | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 3ddd29c0de..7be3a9d404 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -17,6 +17,7 @@ #include "qemu/iov.h" #include "ui/console.h" #include "trace.h" +#include "sysemu/dma.h" #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-gpu.h" #include "hw/virtio/virtio-bus.h" @@ -29,7 +30,8 @@ static struct virtio_gpu_simple_resource* virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); -static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res); +static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, + struct virtio_gpu_simple_resource *res); static void virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr) @@ -421,11 +423,6 @@ static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) scanout->height ?: 480, "Guest disabled display."); } - - if (g->disable_scanout) { - g->disable_scanout(g, scanout_id); - } - dpy_gfx_replace_surface(scanout->con, ds); scanout->resource_id = 0; scanout->ds = NULL; @@ -447,7 +444,7 @@ static void virtio_gpu_resource_destroy(VirtIOGPU *g, } pixman_image_unref(res->image); - virtio_gpu_cleanup_mapping(res); + virtio_gpu_cleanup_mapping(g, res); QTAILQ_REMOVE(&g->reslist, res, next); g->hostmem -= res->hostmem; g_free(res); @@ -693,7 +690,8 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, scanout->height = ss.r.height; } -int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, +int virtio_gpu_create_mapping_iov(VirtIOGPU *g, + struct virtio_gpu_resource_attach_backing *ab, struct virtio_gpu_ctrl_command *cmd, uint64_t **addr, struct iovec **iov) { @@ -729,7 +727,8 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, uint32_t l = le32_to_cpu(ents[i].length); hwaddr len = l; (*iov)[i].iov_len = l; - (*iov)[i].iov_base = cpu_physical_memory_map(a, &len, 1); + (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, + a, &len, DMA_DIRECTION_TO_DEVICE); if (addr) { (*addr)[i] = a; } @@ -737,7 +736,7 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" " resource %d element %d\n", __func__, ab->resource_id, i); - virtio_gpu_cleanup_mapping_iov(*iov, i); + virtio_gpu_cleanup_mapping_iov(g, *iov, i); g_free(ents); *iov = NULL; if (addr) { @@ -751,20 +750,24 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, return 0; } -void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count) +void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, + struct iovec *iov, uint32_t count) { int i; for (i = 0; i < count; i++) { - cpu_physical_memory_unmap(iov[i].iov_base, iov[i].iov_len, 1, - iov[i].iov_len); + dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, + iov[i].iov_base, iov[i].iov_len, + DMA_DIRECTION_TO_DEVICE, + iov[i].iov_len); } g_free(iov); } -static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res) +static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, + struct virtio_gpu_simple_resource *res) { - virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt); + virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); res->iov = NULL; res->iov_cnt = 0; g_free(res->addrs); @@ -796,7 +799,7 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g, return; } - ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov); + ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov); if (ret != 0) { cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; return; @@ -823,7 +826,7 @@ virtio_gpu_resource_detach_backing(VirtIOGPU *g, cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; return; } - virtio_gpu_cleanup_mapping(res); + virtio_gpu_cleanup_mapping(g, res); } static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, @@ -1148,16 +1151,21 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, for (i = 0; i < res->iov_cnt; i++) { hwaddr len = res->iov[i].iov_len; res->iov[i].iov_base = - cpu_physical_memory_map(res->addrs[i], &len, 1); + dma_memory_map(VIRTIO_DEVICE(g)->dma_as, + res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); + if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { /* Clean up the half-a-mapping we just created... */ if (res->iov[i].iov_base) { - cpu_physical_memory_unmap(res->iov[i].iov_base, - len, 0, 0); + dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, + res->iov[i].iov_base, + res->iov[i].iov_len, + DMA_DIRECTION_TO_DEVICE, + res->iov[i].iov_len); } /* ...and the mappings for previous loop iterations */ res->iov_cnt = i; - virtio_gpu_cleanup_mapping(res); + virtio_gpu_cleanup_mapping(g, res); pixman_image_unref(res->image); g_free(res); return -EINVAL; @@ -1187,7 +1195,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, } dpy_gfx_replace_surface(scanout->con, scanout->ds); - dpy_gfx_update(scanout->con, 0, 0, scanout->width, scanout->height); + dpy_gfx_update_full(scanout->con); if (scanout->cursor.resource_id) { update_cursor(g, &scanout->cursor); } @@ -1205,11 +1213,6 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) Error *local_err = NULL; int i; - if (virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM)) { - error_setg(errp, "virtio-gpu does not support vIOMMU yet"); - return; - } - if (g->conf.max_outputs > VIRTIO_GPU_MAX_SCANOUTS) { error_setg(errp, "invalid max_outputs > %d", VIRTIO_GPU_MAX_SCANOUTS); return; @@ -1289,7 +1292,7 @@ static void virtio_gpu_instance_init(Object *obj) { } -static void virtio_gpu_reset(VirtIODevice *vdev) +void virtio_gpu_reset(VirtIODevice *vdev) { VirtIOGPU *g = VIRTIO_GPU(vdev); struct virtio_gpu_simple_resource *res, *tmp; |