diff options
author | Don Dugger <n0ano@n0ano.com> | 2016-06-03 03:33:22 +0000 |
---|---|---|
committer | Gerrit Code Review <gerrit@172.30.200.206> | 2016-06-03 03:33:23 +0000 |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/hw/display/virtio-gpu.c | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/hw/display/virtio-gpu.c')
-rw-r--r-- | qemu/hw/display/virtio-gpu.c | 226 |
1 files changed, 197 insertions, 29 deletions
diff --git a/qemu/hw/display/virtio-gpu.c b/qemu/hw/display/virtio-gpu.c index a67d927f5..c181fb364 100644 --- a/qemu/hw/display/virtio-gpu.c +++ b/qemu/hw/display/virtio-gpu.c @@ -7,10 +7,11 @@ * Dave Airlie <airlied@redhat.com> * Gerd Hoffmann <kraxel@redhat.com> * - * This work is licensed under the terms of the GNU GPL, version 2. + * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ +#include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/iov.h" #include "ui/console.h" @@ -22,6 +23,23 @@ static struct virtio_gpu_simple_resource* virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); +#ifdef CONFIG_VIRGL +#include "virglrenderer.h" +#define VIRGL(_g, _virgl, _simple, ...) \ + do { \ + if (_g->use_virgl_renderer) { \ + _virgl(__VA_ARGS__); \ + } else { \ + _simple(__VA_ARGS__); \ + } \ + } while (0) +#else +#define VIRGL(_g, _virgl, _simple, ...) \ + do { \ + _simple(__VA_ARGS__); \ + } while (0) +#endif + static void update_cursor_data_simple(VirtIOGPU *g, struct virtio_gpu_scanout *s, uint32_t resource_id) @@ -45,16 +63,49 @@ static void update_cursor_data_simple(VirtIOGPU *g, pixels * sizeof(uint32_t)); } +#ifdef CONFIG_VIRGL + +static void update_cursor_data_virgl(VirtIOGPU *g, + struct virtio_gpu_scanout *s, + uint32_t resource_id) +{ + uint32_t width, height; + uint32_t pixels, *data; + + data = virgl_renderer_get_cursor_data(resource_id, &width, &height); + if (!data) { + return; + } + + if (width != s->current_cursor->width || + height != s->current_cursor->height) { + return; + } + + pixels = s->current_cursor->width * s->current_cursor->height; + memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t)); + free(data); +} + +#endif + static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) { struct virtio_gpu_scanout *s; + bool move = cursor->hdr.type != VIRTIO_GPU_CMD_MOVE_CURSOR; if (cursor->pos.scanout_id >= g->conf.max_outputs) { return; } s = &g->scanout[cursor->pos.scanout_id]; - if (cursor->hdr.type != VIRTIO_GPU_CMD_MOVE_CURSOR) { + trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, + cursor->pos.x, + cursor->pos.y, + move ? "move" : "update", + cursor->resource_id); + + if (move) { if (!s->current_cursor) { s->current_cursor = cursor_alloc(64, 64); } @@ -63,7 +114,8 @@ static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) s->current_cursor->hot_y = cursor->hot_y; if (cursor->resource_id > 0) { - update_cursor_data_simple(g, s, cursor->resource_id); + VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple, + g, s, cursor->resource_id); } dpy_cursor_define(s->con, s->current_cursor); } @@ -92,9 +144,23 @@ static void virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features, Error **errp) { + VirtIOGPU *g = VIRTIO_GPU(vdev); + + if (virtio_gpu_virgl_enabled(g->conf)) { + features |= (1 << VIRTIO_GPU_F_VIRGL); + } return features; } +static void virtio_gpu_set_features(VirtIODevice *vdev, uint64_t features) +{ + static const uint32_t virgl = (1 << VIRTIO_GPU_F_VIRGL); + VirtIOGPU *g = VIRTIO_GPU(vdev); + + g->use_virgl_renderer = ((features & virgl) == virgl); + trace_virtio_gpu_features(g->use_virgl_renderer); +} + static void virtio_gpu_notify_event(VirtIOGPU *g, uint32_t event_type) { g->virtio_config.events_read |= event_type; @@ -506,10 +572,7 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, scanout->width != ss.r.width || scanout->height != ss.r.height) { /* realloc the surface ptr */ - scanout->ds = qemu_create_displaysurface_from - (ss.r.width, ss.r.height, format, - pixman_image_get_stride(res->image), - (uint8_t *)pixman_image_get_data(res->image) + offset); + scanout->ds = qemu_create_displaysurface_pixman(res->image); if (!scanout->ds) { cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; return; @@ -563,7 +626,6 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, __func__, ab->resource_id, i); virtio_gpu_cleanup_mapping_iov(*iov, i); g_free(ents); - g_free(*iov); *iov = NULL; return -1; } @@ -580,12 +642,12 @@ void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count) cpu_physical_memory_unmap(iov[i].iov_base, iov[i].iov_len, 1, iov[i].iov_len); } + g_free(iov); } static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res) { virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt); - g_free(res->iov); res->iov = NULL; res->iov_cnt = 0; } @@ -690,6 +752,39 @@ static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) qemu_bh_schedule(g->cursor_bh); } +void virtio_gpu_process_cmdq(VirtIOGPU *g) +{ + struct virtio_gpu_ctrl_command *cmd; + + while (!QTAILQ_EMPTY(&g->cmdq)) { + cmd = QTAILQ_FIRST(&g->cmdq); + + /* process command */ + VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd, + g, cmd); + if (cmd->waiting) { + break; + } + QTAILQ_REMOVE(&g->cmdq, cmd, next); + if (virtio_gpu_stats_enabled(g->conf)) { + g->stats.requests++; + } + + if (!cmd->finished) { + QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); + g->inflight++; + if (virtio_gpu_stats_enabled(g->conf)) { + if (g->stats.max_inflight < g->inflight) { + g->stats.max_inflight = g->inflight; + } + fprintf(stderr, "inflight: %3d (+)\r", g->inflight); + } + } else { + g_free(cmd); + } + } +} + static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) { VirtIOGPU *g = VIRTIO_GPU(vdev); @@ -699,25 +794,30 @@ static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) return; } - cmd = g_new(struct virtio_gpu_ctrl_command, 1); - while (virtqueue_pop(vq, &cmd->elem)) { +#ifdef CONFIG_VIRGL + if (!g->renderer_inited && g->use_virgl_renderer) { + virtio_gpu_virgl_init(g); + g->renderer_inited = true; + } +#endif + + cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); + while (cmd) { cmd->vq = vq; cmd->error = 0; cmd->finished = false; - g->stats.requests++; + cmd->waiting = false; + QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); + cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); + } - virtio_gpu_simple_process_cmd(g, cmd); - if (!cmd->finished) { - QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); - g->stats.inflight++; - if (g->stats.max_inflight < g->stats.inflight) { - g->stats.max_inflight = g->stats.inflight; - } - fprintf(stderr, "inflight: %3d (+)\r", g->stats.inflight); - cmd = g_new(struct virtio_gpu_ctrl_command, 1); - } + virtio_gpu_process_cmdq(g); + +#ifdef CONFIG_VIRGL + if (g->use_virgl_renderer) { + virtio_gpu_virgl_fence_poll(g); } - g_free(cmd); +#endif } static void virtio_gpu_ctrl_bh(void *opaque) @@ -729,15 +829,20 @@ static void virtio_gpu_ctrl_bh(void *opaque) static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) { VirtIOGPU *g = VIRTIO_GPU(vdev); - VirtQueueElement elem; + VirtQueueElement *elem; size_t s; struct virtio_gpu_update_cursor cursor_info; if (!virtio_queue_ready(vq)) { return; } - while (virtqueue_pop(vq, &elem)) { - s = iov_to_buf(elem.out_sg, elem.out_num, 0, + for (;;) { + elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); + if (!elem) { + break; + } + + s = iov_to_buf(elem->out_sg, elem->out_num, 0, &cursor_info, sizeof(cursor_info)); if (s != sizeof(cursor_info)) { qemu_log_mask(LOG_GUEST_ERROR, @@ -746,8 +851,9 @@ static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) } else { update_cursor(g, &cursor_info); } - virtqueue_push(vq, &elem, 0); + virtqueue_push(vq, elem, 0); virtio_notify(vdev, vq); + g_free(elem); } } @@ -793,17 +899,34 @@ static int virtio_gpu_ui_info(void *opaque, uint32_t idx, QemuUIInfo *info) return 0; } +static void virtio_gpu_gl_block(void *opaque, bool block) +{ + VirtIOGPU *g = opaque; + + g->renderer_blocked = block; + if (!block) { + virtio_gpu_process_cmdq(g); + } +} + const GraphicHwOps virtio_gpu_ops = { .invalidate = virtio_gpu_invalidate_display, .gfx_update = virtio_gpu_update_display, .text_update = virtio_gpu_text_update, .ui_info = virtio_gpu_ui_info, + .gl_block = virtio_gpu_gl_block, +}; + +static const VMStateDescription vmstate_virtio_gpu_unmigratable = { + .name = "virtio-gpu", + .unmigratable = 1, }; static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(qdev); VirtIOGPU *g = VIRTIO_GPU(qdev); + bool have_virgl; int i; g->config_size = sizeof(struct virtio_gpu_config); @@ -814,12 +937,30 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) g->req_state[0].width = 1024; g->req_state[0].height = 768; - g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb); - g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb); + g->use_virgl_renderer = false; +#if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN) + have_virgl = false; +#else + have_virgl = display_opengl; +#endif + if (!have_virgl) { + g->conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED); + } + + if (virtio_gpu_virgl_enabled(g->conf)) { + /* use larger control queue in 3d mode */ + g->ctrl_vq = virtio_add_queue(vdev, 256, virtio_gpu_handle_ctrl_cb); + g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb); + g->virtio_config.num_capsets = 1; + } else { + g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb); + g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb); + } g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); QTAILQ_INIT(&g->reslist); + QTAILQ_INIT(&g->cmdq); QTAILQ_INIT(&g->fenceq); g->enabled_output_bitmask = 1; @@ -832,6 +973,8 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) dpy_gfx_replace_surface(g->scanout[i].con, NULL); } } + + vmstate_register(qdev, -1, &vmstate_virtio_gpu_unmigratable, g); } static void virtio_gpu_instance_init(Object *obj) @@ -869,10 +1012,23 @@ static void virtio_gpu_reset(VirtIODevice *vdev) g->scanout[i].ds = NULL; } g->enabled_output_bitmask = 1; + +#ifdef CONFIG_VIRGL + if (g->use_virgl_renderer) { + virtio_gpu_virgl_reset(g); + g->use_virgl_renderer = 0; + } +#endif } static Property virtio_gpu_properties[] = { DEFINE_PROP_UINT32("max_outputs", VirtIOGPU, conf.max_outputs, 1), +#ifdef CONFIG_VIRGL + DEFINE_PROP_BIT("virgl", VirtIOGPU, conf.flags, + VIRTIO_GPU_FLAG_VIRGL_ENABLED, true), + DEFINE_PROP_BIT("stats", VirtIOGPU, conf.flags, + VIRTIO_GPU_FLAG_STATS_ENABLED, false), +#endif DEFINE_PROP_END_OF_LIST(), }; @@ -885,6 +1041,7 @@ static void virtio_gpu_class_init(ObjectClass *klass, void *data) vdc->get_config = virtio_gpu_get_config; vdc->set_config = virtio_gpu_set_config; vdc->get_features = virtio_gpu_get_features; + vdc->set_features = virtio_gpu_set_features; vdc->reset = virtio_gpu_reset; @@ -917,3 +1074,14 @@ QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_mem_entry) != 16); QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_attach_backing) != 32); QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_detach_backing) != 32); QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_display_info) != 408); + +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_transfer_host_3d) != 72); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_create_3d) != 72); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_create) != 96); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_destroy) != 24); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_resource) != 32); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_cmd_submit) != 32); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset_info) != 32); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset_info) != 40); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset) != 32); +QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset) != 24); |