sync code with last improvements from OpenBSD
This commit is contained in:
commit
88965415ff
GPG key ID:
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26235 changed files with 29195616 additions and 0 deletions
541
driver/xf86-video-vmware/vmwgfx/vmwgfx_drmi.c
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541
driver/xf86-video-vmware/vmwgfx/vmwgfx_drmi.c
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@ -0,0 +1,541 @@
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/*
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* Copyright 2011 VMWare, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Author: Jakob Bornecrantz <wallbraker@gmail.com>
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* Author: Thomas Hellstrom <thellstrom@vmware.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdint.h>
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#include <errno.h>
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#include <sys/mman.h>
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#include "vmwgfx_drm.h"
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#include <xf86drm.h>
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#include "vmwgfx_drmi.h"
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#define uint32 uint32_t
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#define int32 int32_t
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#define uint16 uint16_t
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#define uint8 uint8_t
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#include "svga3d_reg.h"
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#include "vmwgfx_driver.h"
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static int
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vmwgfx_fence_wait(int drm_fd, uint32_t handle, Bool unref)
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{
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struct drm_vmw_fence_wait_arg farg;
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memset(&farg, 0, sizeof(farg));
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farg.handle = handle;
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farg.flags = DRM_VMW_FENCE_FLAG_EXEC;
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farg.timeout_us = 10*1000000;
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farg.cookie_valid = 0;
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if (unref)
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farg.wait_options |= DRM_VMW_WAIT_OPTION_UNREF;
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return drmCommandWriteRead(drm_fd, DRM_VMW_FENCE_WAIT, &farg,
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sizeof(farg));
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}
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static void
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vmwgfx_fence_unref(int drm_fd, uint32_t handle)
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{
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struct drm_vmw_fence_arg farg;
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memset(&farg, 0, sizeof(farg));
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farg.handle = handle;
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(void) drmCommandWrite(drm_fd, DRM_VMW_FENCE_UNREF, &farg,
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sizeof(farg));
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}
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int
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vmwgfx_present_readback(int drm_fd, uint32_t fb_id, RegionPtr region)
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{
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BoxPtr clips = REGION_RECTS(region);
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unsigned int num_clips = REGION_NUM_RECTS(region);
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struct drm_vmw_fence_rep rep;
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struct drm_vmw_present_readback_arg arg;
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int ret;
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unsigned i;
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struct drm_vmw_rect *rects, *r;
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rects = calloc(num_clips, sizeof(*rects));
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if (!rects) {
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LogMessage(X_ERROR, "Failed to alloc cliprects for "
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"present readback.\n");
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return -1;
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}
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memset(&arg, 0, sizeof(arg));
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memset(&rep, 0, sizeof(rep));
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arg.fb_id = fb_id;
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arg.num_clips = num_clips;
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arg.clips_ptr = (unsigned long) rects;
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arg.fence_rep = (unsigned long) &rep;
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rep.error = -EFAULT;
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for (i = 0, r = rects; i < num_clips; ++i, ++r, ++clips) {
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r->x = clips->x1;
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r->y = clips->y1;
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r->w = clips->x2 - clips->x1;
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r->h = clips->y2 - clips->y1;
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}
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ret = drmCommandWrite(drm_fd, DRM_VMW_PRESENT_READBACK, &arg, sizeof(arg));
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if (ret)
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LogMessage(X_ERROR, "Present readback error %s.\n", strerror(-ret));
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free(rects);
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/*
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* Sync to avoid racing with Xorg SW rendering.
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*/
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if (rep.error == 0) {
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ret = vmwgfx_fence_wait(drm_fd, rep.handle, TRUE);
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if (ret) {
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LogMessage(X_ERROR, "Present readback fence wait error %s.\n",
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strerror(-ret));
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vmwgfx_fence_unref(drm_fd, rep.handle);
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}
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}
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return 0;
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}
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int
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vmwgfx_present(int drm_fd, uint32_t fb_id, unsigned int dst_x,
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unsigned int dst_y, RegionPtr region, uint32_t handle)
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{
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BoxPtr clips = REGION_RECTS(region);
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unsigned int num_clips = REGION_NUM_RECTS(region);
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struct drm_vmw_present_arg arg;
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unsigned int i;
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struct drm_vmw_rect *rects, *r;
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int ret;
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if (num_clips == 0)
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return 0;
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rects = calloc(num_clips, sizeof(*rects));
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if (!rects) {
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LogMessage(X_ERROR, "Failed to alloc cliprects for "
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"present.\n");
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return -1;
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}
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memset(&arg, 0, sizeof(arg));
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arg.fb_id = fb_id;
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arg.sid = handle;
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arg.dest_x = dst_x;
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arg.dest_y = dst_y;
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arg.num_clips = num_clips;
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arg.clips_ptr = (unsigned long) rects;
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for (i = 0, r = rects; i < num_clips; ++i, ++r, ++clips) {
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r->x = clips->x1;
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r->y = clips->y1;
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r->w = clips->x2 - clips->x1;
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r->h = clips->y2 - clips->y1;
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}
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ret = drmCommandWrite(drm_fd, DRM_VMW_PRESENT, &arg, sizeof(arg));
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if (ret) {
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LogMessage(X_ERROR, "Present error %s.\n", strerror(-ret));
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}
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free(rects);
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return ((ret != 0) ? -1 : 0);
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}
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struct vmwgfx_int_dmabuf {
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struct vmwgfx_dmabuf buf;
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uint64_t map_handle;
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uint64_t sync_handle;
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int sync_valid;
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int drm_fd;
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uint32_t map_count;
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void *addr;
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};
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static inline struct vmwgfx_int_dmabuf *
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vmwgfx_int_dmabuf(struct vmwgfx_dmabuf *buf)
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{
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return (struct vmwgfx_int_dmabuf *) buf;
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}
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struct vmwgfx_dmabuf*
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vmwgfx_dmabuf_alloc(int drm_fd, size_t size)
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{
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union drm_vmw_alloc_dmabuf_arg arg;
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struct vmwgfx_dmabuf *buf;
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struct vmwgfx_int_dmabuf *ibuf;
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int ret;
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ibuf = calloc(1, sizeof(*ibuf));
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if (!ibuf)
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return NULL;
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buf = &ibuf->buf;
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memset(&arg, 0, sizeof(arg));
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arg.req.size = size;
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ret = drmCommandWriteRead(drm_fd, DRM_VMW_ALLOC_DMABUF, &arg,
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sizeof(arg));
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if (ret)
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goto out_kernel_fail;
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ibuf = vmwgfx_int_dmabuf(buf);
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ibuf->map_handle = arg.rep.map_handle;
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ibuf->drm_fd = drm_fd;
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buf->handle = arg.rep.handle;
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buf->gmr_id = arg.rep.cur_gmr_id;
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buf->gmr_offset = arg.rep.cur_gmr_offset;
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buf->size = size;
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return buf;
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out_kernel_fail:
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free(buf);
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return NULL;
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}
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void *
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vmwgfx_dmabuf_map(struct vmwgfx_dmabuf *buf)
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{
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struct vmwgfx_int_dmabuf *ibuf = vmwgfx_int_dmabuf(buf);
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if (ibuf->addr)
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return ibuf->addr;
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ibuf->addr = mmap(NULL, buf->size, PROT_READ | PROT_WRITE, MAP_SHARED,
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ibuf->drm_fd, ibuf->map_handle);
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if (ibuf->addr == MAP_FAILED) {
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ibuf->addr = NULL;
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return NULL;
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}
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ibuf->map_count++;
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return ibuf->addr;
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}
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void
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vmwgfx_dmabuf_unmap(struct vmwgfx_dmabuf *buf)
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{
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struct vmwgfx_int_dmabuf *ibuf = vmwgfx_int_dmabuf(buf);
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if (--ibuf->map_count)
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return;
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/*
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* It's a pretty important performance optimzation not to call
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* munmap here, although we should watch out for cases where we might fill
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* the virtual memory space of the process.
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*/
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}
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void
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vmwgfx_dmabuf_destroy(struct vmwgfx_dmabuf *buf)
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{
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struct vmwgfx_int_dmabuf *ibuf = vmwgfx_int_dmabuf(buf);
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struct drm_vmw_unref_dmabuf_arg arg;
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if (ibuf->addr) {
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munmap(ibuf->addr, buf->size);
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ibuf->addr = NULL;
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}
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memset(&arg, 0, sizeof(arg));
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arg.handle = buf->handle;
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(void) drmCommandWrite(ibuf->drm_fd, DRM_VMW_UNREF_DMABUF, &arg,
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sizeof(arg));
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free(buf);
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}
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int
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vmwgfx_dma(int host_x, int host_y,
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RegionPtr region, struct vmwgfx_dmabuf *buf,
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uint32_t buf_pitch, uint32_t surface_handle, int to_surface)
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{
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BoxPtr clips = REGION_RECTS(region);
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unsigned int num_clips = REGION_NUM_RECTS(region);
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struct drm_vmw_execbuf_arg arg;
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struct drm_vmw_fence_rep rep;
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int ret;
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unsigned int size;
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unsigned i;
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SVGA3dCopyBox *cb;
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SVGA3dCmdSurfaceDMASuffix *suffix;
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SVGA3dCmdSurfaceDMA *body;
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struct vmwgfx_int_dmabuf *ibuf = vmwgfx_int_dmabuf(buf);
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdSurfaceDMA body;
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SVGA3dCopyBox cb;
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} *cmd;
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if (num_clips == 0)
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return 0;
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||||
|
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size = sizeof(*cmd) + (num_clips - 1) * sizeof(cmd->cb) +
|
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sizeof(*suffix);
|
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cmd = malloc(size);
|
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if (!cmd)
|
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return -1;
|
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|
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cmd->header.id = SVGA_3D_CMD_SURFACE_DMA;
|
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cmd->header.size = sizeof(cmd->body) + num_clips * sizeof(cmd->cb) +
|
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sizeof(*suffix);
|
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cb = &cmd->cb;
|
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|
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suffix = (SVGA3dCmdSurfaceDMASuffix *) &cb[num_clips];
|
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suffix->suffixSize = sizeof(*suffix);
|
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suffix->maximumOffset = (uint32_t) -1;
|
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suffix->flags.discard = 0;
|
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suffix->flags.unsynchronized = 0;
|
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suffix->flags.reserved = 0;
|
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|
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body = &cmd->body;
|
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body->guest.ptr.gmrId = buf->gmr_id;
|
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body->guest.ptr.offset = buf->gmr_offset;
|
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body->guest.pitch = buf_pitch;
|
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body->host.sid = surface_handle;
|
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body->host.face = 0;
|
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body->host.mipmap = 0;
|
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|
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body->transfer = (to_surface ? SVGA3D_WRITE_HOST_VRAM :
|
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SVGA3D_READ_HOST_VRAM);
|
||||
|
||||
|
||||
for (i=0; i < num_clips; i++, cb++, clips++) {
|
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cb->x = (uint16_t) clips->x1 + host_x;
|
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cb->y = (uint16_t) clips->y1 + host_y;
|
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cb->z = 0;
|
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cb->srcx = (uint16_t) clips->x1;
|
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cb->srcy = (uint16_t) clips->y1;
|
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cb->srcz = 0;
|
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cb->w = (uint16_t) (clips->x2 - clips->x1);
|
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cb->h = (uint16_t) (clips->y2 - clips->y1);
|
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cb->d = 1;
|
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#if 0
|
||||
LogMessage(X_INFO, "DMA! x: %u y: %u srcx: %u srcy: %u w: %u h: %u %s\n",
|
||||
cb->x, cb->y, cb->srcx, cb->srcy, cb->w, cb->h,
|
||||
to_surface ? "to" : "from");
|
||||
#endif
|
||||
|
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}
|
||||
|
||||
memset(&arg, 0, sizeof(arg));
|
||||
memset(&rep, 0, sizeof(rep));
|
||||
|
||||
rep.error = -EFAULT;
|
||||
arg.fence_rep = ((to_surface) ? 0UL : (unsigned long)&rep);
|
||||
arg.commands = (unsigned long)cmd;
|
||||
arg.command_size = size;
|
||||
arg.throttle_us = 0;
|
||||
arg.version = DRM_VMW_EXECBUF_VERSION;
|
||||
|
||||
ret = drmCommandWrite(ibuf->drm_fd, DRM_VMW_EXECBUF, &arg, sizeof(arg));
|
||||
if (ret) {
|
||||
LogMessage(X_ERROR, "DMA error %s.\n", strerror(-ret));
|
||||
}
|
||||
|
||||
free(cmd);
|
||||
|
||||
if (rep.error == 0) {
|
||||
ret = vmwgfx_fence_wait(ibuf->drm_fd, rep.handle, TRUE);
|
||||
if (ret) {
|
||||
LogMessage(X_ERROR, "DMA from host fence wait error %s.\n",
|
||||
strerror(-ret));
|
||||
vmwgfx_fence_unref(ibuf->drm_fd, rep.handle);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_get_param(int drm_fd, uint32_t param, uint64_t *out)
|
||||
{
|
||||
struct drm_vmw_getparam_arg gp_arg;
|
||||
int ret;
|
||||
|
||||
memset(&gp_arg, 0, sizeof(gp_arg));
|
||||
gp_arg.param = param;
|
||||
ret = drmCommandWriteRead(drm_fd, DRM_VMW_GET_PARAM,
|
||||
&gp_arg, sizeof(gp_arg));
|
||||
|
||||
if (ret == 0) {
|
||||
*out = gp_arg.value;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_num_streams(int drm_fd, uint32_t *ntot, uint32_t *nfree)
|
||||
{
|
||||
uint64_t v1, v2;
|
||||
int ret;
|
||||
|
||||
ret = vmwgfx_get_param(drm_fd, DRM_VMW_PARAM_NUM_STREAMS, &v1);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = vmwgfx_get_param(drm_fd, DRM_VMW_PARAM_NUM_FREE_STREAMS, &v2);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
*ntot = (uint32_t)v1;
|
||||
*nfree = (uint32_t)v2;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_claim_stream(int drm_fd, uint32_t *out)
|
||||
{
|
||||
struct drm_vmw_stream_arg s_arg;
|
||||
int ret;
|
||||
|
||||
ret = drmCommandRead(drm_fd, DRM_VMW_CLAIM_STREAM,
|
||||
&s_arg, sizeof(s_arg));
|
||||
|
||||
if (ret)
|
||||
return -1;
|
||||
|
||||
*out = s_arg.stream_id;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_unref_stream(int drm_fd, uint32_t stream_id)
|
||||
{
|
||||
struct drm_vmw_stream_arg s_arg;
|
||||
int ret;
|
||||
|
||||
memset(&s_arg, 0, sizeof(s_arg));
|
||||
s_arg.stream_id = stream_id;
|
||||
|
||||
ret = drmCommandWrite(drm_fd, DRM_VMW_UNREF_STREAM,
|
||||
&s_arg, sizeof(s_arg));
|
||||
|
||||
return (ret != 0) ? -1 : 0;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_cursor_bypass(int drm_fd, int xhot, int yhot)
|
||||
{
|
||||
struct drm_vmw_cursor_bypass_arg arg;
|
||||
int ret;
|
||||
|
||||
memset(&arg, 0, sizeof(arg));
|
||||
arg.flags = DRM_VMW_CURSOR_BYPASS_ALL;
|
||||
arg.xhot = xhot;
|
||||
arg.yhot = yhot;
|
||||
|
||||
ret = drmCommandWrite(drm_fd, DRM_VMW_CURSOR_BYPASS,
|
||||
&arg, sizeof(arg));
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int
|
||||
vmwgfx_update_gui_layout(int drm_fd, unsigned int num_rects,
|
||||
struct drm_vmw_rect *rects)
|
||||
{
|
||||
struct drm_vmw_update_layout_arg arg;
|
||||
|
||||
memset(&arg, 0, sizeof(arg));
|
||||
|
||||
arg.num_outputs = num_rects;
|
||||
arg.rects = (unsigned long) rects;
|
||||
|
||||
return drmCommandWrite(drm_fd, DRM_VMW_UPDATE_LAYOUT, &arg,
|
||||
sizeof(arg));
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
vmwgfx_max_fb_size(int drm_fd, size_t *size)
|
||||
{
|
||||
uint64_t tmp_size;
|
||||
|
||||
if (vmwgfx_get_param(drm_fd, DRM_VMW_PARAM_MAX_FB_SIZE, &tmp_size) != 0)
|
||||
return -1;
|
||||
|
||||
*size = tmp_size;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef HAVE_LIBDRM_2_4_38
|
||||
/**
|
||||
* vmwgfx_prime_fd_to_handle - Return a TTM handle to a prime object
|
||||
*
|
||||
* @drm_fd: File descriptor for the drm connection.
|
||||
* @prime_fd: File descriptor identifying the prime object.
|
||||
* @handle: Pointer to returned TTM handle.
|
||||
*
|
||||
* Takes a reference on the underlying object and returns a TTM handle to it.
|
||||
*/
|
||||
int
|
||||
vmwgfx_prime_fd_to_handle(int drm_fd, int prime_fd, uint32_t *handle)
|
||||
{
|
||||
*handle = 0;
|
||||
|
||||
return drmPrimeFDToHandle(drm_fd, prime_fd, handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmwgfx_prime_release_handle - Release a reference on a TTM object
|
||||
*
|
||||
* @drm_fd: File descriptor for the drm connection.
|
||||
* @handle: TTM handle as returned by vmwgfx_prime_fd_to_handle.
|
||||
*
|
||||
* Releases the reference obtained by vmwgfx_prime_fd_to_handle().
|
||||
*/
|
||||
void
|
||||
vmwgfx_prime_release_handle(int drm_fd, uint32_t handle)
|
||||
{
|
||||
struct drm_vmw_surface_arg s_arg;
|
||||
|
||||
memset(&s_arg, 0, sizeof(s_arg));
|
||||
s_arg.sid = handle;
|
||||
|
||||
(void) drmCommandWrite(drm_fd, DRM_VMW_UNREF_SURFACE, &s_arg,
|
||||
sizeof(s_arg));
|
||||
}
|
||||
#endif /* HAVE_LIBDRM_2_4_38 */
|
||||
Loading…
Add table
Add a link
Reference in a new issue