diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:18:31 +0300 |
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committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:42:15 +0300 |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/display/virtio-gpu-3d.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/display/virtio-gpu-3d.c')
-rw-r--r-- | qemu/hw/display/virtio-gpu-3d.c | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/qemu/hw/display/virtio-gpu-3d.c b/qemu/hw/display/virtio-gpu-3d.c new file mode 100644 index 000000000..fa192946a --- /dev/null +++ b/qemu/hw/display/virtio-gpu-3d.c @@ -0,0 +1,606 @@ +/* + * Virtio GPU Device + * + * Copyright Red Hat, Inc. 2013-2014 + * + * Authors: + * Dave Airlie <airlied@redhat.com> + * Gerd Hoffmann <kraxel@redhat.com> + * + * 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 "trace.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/virtio-gpu.h" + +#ifdef CONFIG_VIRGL + +#include "virglrenderer.h" + +static struct virgl_renderer_callbacks virtio_gpu_3d_cbs; + +static void virgl_cmd_create_resource_2d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_create_2d c2d; + struct virgl_renderer_resource_create_args args; + + VIRTIO_GPU_FILL_CMD(c2d); + trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, + c2d.width, c2d.height); + + args.handle = c2d.resource_id; + args.target = 2; + args.format = c2d.format; + args.bind = (1 << 1); + args.width = c2d.width; + args.height = c2d.height; + args.depth = 1; + args.array_size = 1; + args.last_level = 0; + args.nr_samples = 0; + args.flags = VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP; + virgl_renderer_resource_create(&args, NULL, 0); +} + +static void virgl_cmd_create_resource_3d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_create_3d c3d; + struct virgl_renderer_resource_create_args args; + + VIRTIO_GPU_FILL_CMD(c3d); + trace_virtio_gpu_cmd_res_create_3d(c3d.resource_id, c3d.format, + c3d.width, c3d.height, c3d.depth); + + args.handle = c3d.resource_id; + args.target = c3d.target; + args.format = c3d.format; + args.bind = c3d.bind; + args.width = c3d.width; + args.height = c3d.height; + args.depth = c3d.depth; + args.array_size = c3d.array_size; + args.last_level = c3d.last_level; + args.nr_samples = c3d.nr_samples; + args.flags = c3d.flags; + virgl_renderer_resource_create(&args, NULL, 0); +} + +static void virgl_cmd_resource_unref(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_unref unref; + + VIRTIO_GPU_FILL_CMD(unref); + trace_virtio_gpu_cmd_res_unref(unref.resource_id); + + virgl_renderer_resource_unref(unref.resource_id); +} + +static void virgl_cmd_context_create(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_ctx_create cc; + + VIRTIO_GPU_FILL_CMD(cc); + trace_virtio_gpu_cmd_ctx_create(cc.hdr.ctx_id, + cc.debug_name); + + virgl_renderer_context_create(cc.hdr.ctx_id, cc.nlen, + cc.debug_name); +} + +static void virgl_cmd_context_destroy(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_ctx_destroy cd; + + VIRTIO_GPU_FILL_CMD(cd); + trace_virtio_gpu_cmd_ctx_destroy(cd.hdr.ctx_id); + + virgl_renderer_context_destroy(cd.hdr.ctx_id); +} + +static void virtio_gpu_rect_update(VirtIOGPU *g, int idx, int x, int y, + int width, int height) +{ + if (!g->scanout[idx].con) { + return; + } + + dpy_gl_update(g->scanout[idx].con, x, y, width, height); +} + +static void virgl_cmd_resource_flush(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_flush rf; + int i; + + VIRTIO_GPU_FILL_CMD(rf); + trace_virtio_gpu_cmd_res_flush(rf.resource_id, + rf.r.width, rf.r.height, rf.r.x, rf.r.y); + + for (i = 0; i < VIRTIO_GPU_MAX_SCANOUT; i++) { + if (g->scanout[i].resource_id != rf.resource_id) { + continue; + } + virtio_gpu_rect_update(g, i, rf.r.x, rf.r.y, rf.r.width, rf.r.height); + } +} + +static void virgl_cmd_set_scanout(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_set_scanout ss; + struct virgl_renderer_resource_info info; + int ret; + + VIRTIO_GPU_FILL_CMD(ss); + trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, + ss.r.width, ss.r.height, ss.r.x, ss.r.y); + + if (ss.scanout_id >= VIRTIO_GPU_MAX_SCANOUT) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", + __func__, ss.scanout_id); + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; + return; + } + g->enable = 1; + + memset(&info, 0, sizeof(info)); + + if (ss.resource_id && ss.r.width && ss.r.height) { + ret = virgl_renderer_resource_get_info(ss.resource_id, &info); + if (ret == -1) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: illegal resource specified %d\n", + __func__, ss.resource_id); + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; + return; + } + qemu_console_resize(g->scanout[ss.scanout_id].con, + ss.r.width, ss.r.height); + virgl_renderer_force_ctx_0(); + dpy_gl_scanout(g->scanout[ss.scanout_id].con, info.tex_id, + info.flags & 1 /* FIXME: Y_0_TOP */, + ss.r.x, ss.r.y, ss.r.width, ss.r.height); + } else { + if (ss.scanout_id != 0) { + dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, NULL); + } + dpy_gl_scanout(g->scanout[ss.scanout_id].con, 0, false, + 0, 0, 0, 0); + } + g->scanout[ss.scanout_id].resource_id = ss.resource_id; +} + +static void virgl_cmd_submit_3d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_cmd_submit cs; + void *buf; + size_t s; + + VIRTIO_GPU_FILL_CMD(cs); + trace_virtio_gpu_cmd_ctx_submit(cs.hdr.ctx_id, cs.size); + + buf = g_malloc(cs.size); + s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, + sizeof(cs), buf, cs.size); + if (s != cs.size) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: size mismatch (%zd/%d)", + __func__, s, cs.size); + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + goto out; + } + + if (virtio_gpu_stats_enabled(g->conf)) { + g->stats.req_3d++; + g->stats.bytes_3d += cs.size; + } + + virgl_renderer_submit_cmd(buf, cs.hdr.ctx_id, cs.size / 4); + +out: + g_free(buf); +} + +static void virgl_cmd_transfer_to_host_2d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_transfer_to_host_2d t2d; + struct virtio_gpu_box box; + + VIRTIO_GPU_FILL_CMD(t2d); + trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); + + box.x = t2d.r.x; + box.y = t2d.r.y; + box.z = 0; + box.w = t2d.r.width; + box.h = t2d.r.height; + box.d = 1; + + virgl_renderer_transfer_write_iov(t2d.resource_id, + 0, + 0, + 0, + 0, + (struct virgl_box *)&box, + t2d.offset, NULL, 0); +} + +static void virgl_cmd_transfer_to_host_3d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_transfer_host_3d t3d; + + VIRTIO_GPU_FILL_CMD(t3d); + trace_virtio_gpu_cmd_res_xfer_toh_3d(t3d.resource_id); + + virgl_renderer_transfer_write_iov(t3d.resource_id, + t3d.hdr.ctx_id, + t3d.level, + t3d.stride, + t3d.layer_stride, + (struct virgl_box *)&t3d.box, + t3d.offset, NULL, 0); +} + +static void +virgl_cmd_transfer_from_host_3d(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_transfer_host_3d tf3d; + + VIRTIO_GPU_FILL_CMD(tf3d); + trace_virtio_gpu_cmd_res_xfer_fromh_3d(tf3d.resource_id); + + virgl_renderer_transfer_read_iov(tf3d.resource_id, + tf3d.hdr.ctx_id, + tf3d.level, + tf3d.stride, + tf3d.layer_stride, + (struct virgl_box *)&tf3d.box, + tf3d.offset, NULL, 0); +} + + +static void virgl_resource_attach_backing(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_attach_backing att_rb; + struct iovec *res_iovs; + int ret; + + VIRTIO_GPU_FILL_CMD(att_rb); + trace_virtio_gpu_cmd_res_back_attach(att_rb.resource_id); + + ret = virtio_gpu_create_mapping_iov(&att_rb, cmd, &res_iovs); + if (ret != 0) { + cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; + return; + } + + virgl_renderer_resource_attach_iov(att_rb.resource_id, + res_iovs, att_rb.nr_entries); +} + +static void virgl_resource_detach_backing(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resource_detach_backing detach_rb; + struct iovec *res_iovs = NULL; + int num_iovs = 0; + + VIRTIO_GPU_FILL_CMD(detach_rb); + trace_virtio_gpu_cmd_res_back_detach(detach_rb.resource_id); + + virgl_renderer_resource_detach_iov(detach_rb.resource_id, + &res_iovs, + &num_iovs); + if (res_iovs == NULL || num_iovs == 0) { + return; + } + virtio_gpu_cleanup_mapping_iov(res_iovs, num_iovs); +} + + +static void virgl_cmd_ctx_attach_resource(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_ctx_resource att_res; + + VIRTIO_GPU_FILL_CMD(att_res); + trace_virtio_gpu_cmd_ctx_res_attach(att_res.hdr.ctx_id, + att_res.resource_id); + + virgl_renderer_ctx_attach_resource(att_res.hdr.ctx_id, att_res.resource_id); +} + +static void virgl_cmd_ctx_detach_resource(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_ctx_resource det_res; + + VIRTIO_GPU_FILL_CMD(det_res); + trace_virtio_gpu_cmd_ctx_res_detach(det_res.hdr.ctx_id, + det_res.resource_id); + + virgl_renderer_ctx_detach_resource(det_res.hdr.ctx_id, det_res.resource_id); +} + +static void virgl_cmd_get_capset_info(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_get_capset_info info; + struct virtio_gpu_resp_capset_info resp; + + VIRTIO_GPU_FILL_CMD(info); + + if (info.capset_index == 0) { + resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL; + virgl_renderer_get_cap_set(resp.capset_id, + &resp.capset_max_version, + &resp.capset_max_size); + } else { + resp.capset_max_version = 0; + resp.capset_max_size = 0; + } + resp.hdr.type = VIRTIO_GPU_RESP_OK_CAPSET_INFO; + virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp)); +} + +static void virgl_cmd_get_capset(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_get_capset gc; + struct virtio_gpu_resp_capset *resp; + uint32_t max_ver, max_size; + VIRTIO_GPU_FILL_CMD(gc); + + virgl_renderer_get_cap_set(gc.capset_id, &max_ver, + &max_size); + resp = g_malloc(sizeof(*resp) + max_size); + + resp->hdr.type = VIRTIO_GPU_RESP_OK_CAPSET; + virgl_renderer_fill_caps(gc.capset_id, + gc.capset_version, + (void *)resp->capset_data); + virtio_gpu_ctrl_response(g, cmd, &resp->hdr, sizeof(*resp) + max_size); + g_free(resp); +} + +void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); + + cmd->waiting = g->renderer_blocked; + if (cmd->waiting) { + return; + } + + virgl_renderer_force_ctx_0(); + switch (cmd->cmd_hdr.type) { + case VIRTIO_GPU_CMD_CTX_CREATE: + virgl_cmd_context_create(g, cmd); + break; + case VIRTIO_GPU_CMD_CTX_DESTROY: + virgl_cmd_context_destroy(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: + virgl_cmd_create_resource_2d(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_CREATE_3D: + virgl_cmd_create_resource_3d(g, cmd); + break; + case VIRTIO_GPU_CMD_SUBMIT_3D: + virgl_cmd_submit_3d(g, cmd); + break; + case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: + virgl_cmd_transfer_to_host_2d(g, cmd); + break; + case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D: + virgl_cmd_transfer_to_host_3d(g, cmd); + break; + case VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D: + virgl_cmd_transfer_from_host_3d(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: + virgl_resource_attach_backing(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: + virgl_resource_detach_backing(g, cmd); + break; + case VIRTIO_GPU_CMD_SET_SCANOUT: + virgl_cmd_set_scanout(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_FLUSH: + virgl_cmd_resource_flush(g, cmd); + break; + case VIRTIO_GPU_CMD_RESOURCE_UNREF: + virgl_cmd_resource_unref(g, cmd); + break; + case VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE: + /* TODO add security */ + virgl_cmd_ctx_attach_resource(g, cmd); + break; + case VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE: + /* TODO add security */ + virgl_cmd_ctx_detach_resource(g, cmd); + break; + case VIRTIO_GPU_CMD_GET_CAPSET_INFO: + virgl_cmd_get_capset_info(g, cmd); + break; + case VIRTIO_GPU_CMD_GET_CAPSET: + virgl_cmd_get_capset(g, cmd); + break; + + case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: + virtio_gpu_get_display_info(g, cmd); + break; + default: + cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; + break; + } + + if (cmd->finished) { + return; + } + if (cmd->error) { + fprintf(stderr, "%s: ctrl 0x%x, error 0x%x\n", __func__, + cmd->cmd_hdr.type, cmd->error); + virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error); + return; + } + if (!(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) { + virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); + return; + } + + trace_virtio_gpu_fence_ctrl(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); + virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); +} + +static void virgl_write_fence(void *opaque, uint32_t fence) +{ + VirtIOGPU *g = opaque; + struct virtio_gpu_ctrl_command *cmd, *tmp; + + QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { + /* + * the guest can end up emitting fences out of order + * so we should check all fenced cmds not just the first one. + */ + if (cmd->cmd_hdr.fence_id > fence) { + continue; + } + trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id); + virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); + QTAILQ_REMOVE(&g->fenceq, cmd, next); + g_free(cmd); + g->inflight--; + if (virtio_gpu_stats_enabled(g->conf)) { + fprintf(stderr, "inflight: %3d (-)\r", g->inflight); + } + } +} + +static virgl_renderer_gl_context +virgl_create_context(void *opaque, int scanout_idx, + struct virgl_renderer_gl_ctx_param *params) +{ + VirtIOGPU *g = opaque; + QEMUGLContext ctx; + QEMUGLParams qparams; + + qparams.major_ver = params->major_ver; + qparams.minor_ver = params->minor_ver; + + ctx = dpy_gl_ctx_create(g->scanout[scanout_idx].con, &qparams); + return (virgl_renderer_gl_context)ctx; +} + +static void virgl_destroy_context(void *opaque, virgl_renderer_gl_context ctx) +{ + VirtIOGPU *g = opaque; + QEMUGLContext qctx = (QEMUGLContext)ctx; + + dpy_gl_ctx_destroy(g->scanout[0].con, qctx); +} + +static int virgl_make_context_current(void *opaque, int scanout_idx, + virgl_renderer_gl_context ctx) +{ + VirtIOGPU *g = opaque; + QEMUGLContext qctx = (QEMUGLContext)ctx; + + return dpy_gl_ctx_make_current(g->scanout[scanout_idx].con, qctx); +} + +static struct virgl_renderer_callbacks virtio_gpu_3d_cbs = { + .version = 1, + .write_fence = virgl_write_fence, + .create_gl_context = virgl_create_context, + .destroy_gl_context = virgl_destroy_context, + .make_current = virgl_make_context_current, +}; + +static void virtio_gpu_print_stats(void *opaque) +{ + VirtIOGPU *g = opaque; + + if (g->stats.requests) { + fprintf(stderr, "stats: vq req %4d, %3d -- 3D %4d (%5d)\n", + g->stats.requests, + g->stats.max_inflight, + g->stats.req_3d, + g->stats.bytes_3d); + g->stats.requests = 0; + g->stats.max_inflight = 0; + g->stats.req_3d = 0; + g->stats.bytes_3d = 0; + } else { + fprintf(stderr, "stats: idle\r"); + } + timer_mod(g->print_stats, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 1000); +} + +static void virtio_gpu_fence_poll(void *opaque) +{ + VirtIOGPU *g = opaque; + + virgl_renderer_poll(); + virtio_gpu_process_cmdq(g); + if (!QTAILQ_EMPTY(&g->cmdq) || !QTAILQ_EMPTY(&g->fenceq)) { + timer_mod(g->fence_poll, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 10); + } +} + +void virtio_gpu_virgl_fence_poll(VirtIOGPU *g) +{ + virtio_gpu_fence_poll(g); +} + +void virtio_gpu_virgl_reset(VirtIOGPU *g) +{ + int i; + + /* virgl_renderer_reset() ??? */ + for (i = 0; i < g->conf.max_outputs; i++) { + if (i != 0) { + dpy_gfx_replace_surface(g->scanout[i].con, NULL); + } + dpy_gl_scanout(g->scanout[i].con, 0, false, 0, 0, 0, 0); + } +} + +int virtio_gpu_virgl_init(VirtIOGPU *g) +{ + int ret; + + ret = virgl_renderer_init(g, 0, &virtio_gpu_3d_cbs); + if (ret != 0) { + return ret; + } + + g->fence_poll = timer_new_ms(QEMU_CLOCK_VIRTUAL, + virtio_gpu_fence_poll, g); + + if (virtio_gpu_stats_enabled(g->conf)) { + g->print_stats = timer_new_ms(QEMU_CLOCK_VIRTUAL, + virtio_gpu_print_stats, g); + timer_mod(g->print_stats, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 1000); + } + return 0; +} + +#endif /* CONFIG_VIRGL */ |