diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_bo.c')
-rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_bo.c | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_bo.c b/src/gallium/winsys/drm/nouveau/common/nouveau_bo.c deleted file mode 100644 index 76b98bed675..00000000000 --- a/src/gallium/winsys/drm/nouveau/common/nouveau_bo.c +++ /dev/null @@ -1,504 +0,0 @@ -/* - * Copyright 2007 Nouveau Project - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include <stdint.h> -#include <stdlib.h> -#include <errno.h> -#include <assert.h> - -#include "nouveau_drmif.h" -#include "nouveau_dma.h" -#include "nouveau_local.h" - -static void -nouveau_mem_free(struct nouveau_device *dev, struct drm_nouveau_mem_alloc *ma, - void **map) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - struct drm_nouveau_mem_free mf; - - if (map && *map) { - drmUnmap(*map, ma->size); - *map = NULL; - } - - if (ma->size) { - mf.offset = ma->offset; - mf.flags = ma->flags; - drmCommandWrite(nvdev->fd, DRM_NOUVEAU_MEM_FREE, - &mf, sizeof(mf)); - ma->size = 0; - } -} - -static int -nouveau_mem_alloc(struct nouveau_device *dev, unsigned size, unsigned align, - uint32_t flags, struct drm_nouveau_mem_alloc *ma, void **map) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - int ret; - - ma->alignment = align; - ma->size = size; - ma->flags = flags; - if (map) - ma->flags |= NOUVEAU_MEM_MAPPED; - ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_MEM_ALLOC, ma, - sizeof(struct drm_nouveau_mem_alloc)); - if (ret) - return ret; - - if (map) { - ret = drmMap(nvdev->fd, ma->map_handle, ma->size, map); - if (ret) { - *map = NULL; - nouveau_mem_free(dev, ma, map); - return ret; - } - } - - return 0; -} - -static void -nouveau_bo_tmp_del(void *priv) -{ - struct nouveau_resource *r = priv; - - nouveau_fence_ref(NULL, (struct nouveau_fence **)&r->priv); - nouveau_resource_free(&r); -} - -static unsigned -nouveau_bo_tmp_max(struct nouveau_device_priv *nvdev) -{ - struct nouveau_resource *r = nvdev->sa_heap; - unsigned max = 0; - - while (r) { - if (r->in_use && !nouveau_fence(r->priv)->emitted) { - r = r->next; - continue; - } - - if (max < r->size) - max = r->size; - r = r->next; - } - - return max; -} - -static struct nouveau_resource * -nouveau_bo_tmp(struct nouveau_channel *chan, unsigned size, - struct nouveau_fence *fence) -{ - struct nouveau_device_priv *nvdev = nouveau_device(chan->device); - struct nouveau_resource *r = NULL; - struct nouveau_fence *ref = NULL; - - if (fence) - nouveau_fence_ref(fence, &ref); - else - nouveau_fence_new(chan, &ref); - assert(ref); - - while (nouveau_resource_alloc(nvdev->sa_heap, size, ref, &r)) { - if (nouveau_bo_tmp_max(nvdev) < size) { - nouveau_fence_ref(NULL, &ref); - return NULL; - } - - nouveau_fence_flush(chan); - } - nouveau_fence_signal_cb(ref, nouveau_bo_tmp_del, r); - - return r; -} - -int -nouveau_bo_init(struct nouveau_device *dev) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - int ret; - - ret = nouveau_mem_alloc(dev, 128*1024, 0, NOUVEAU_MEM_AGP | - NOUVEAU_MEM_PCI, &nvdev->sa, &nvdev->sa_map); - if (ret) - return ret; - - ret = nouveau_resource_init(&nvdev->sa_heap, 0, nvdev->sa.size); - if (ret) { - nouveau_mem_free(dev, &nvdev->sa, &nvdev->sa_map); - return ret; - } - - return 0; -} - -void -nouveau_bo_takedown(struct nouveau_device *dev) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - - nouveau_mem_free(dev, &nvdev->sa, &nvdev->sa_map); -} - -int -nouveau_bo_new(struct nouveau_device *dev, uint32_t flags, int align, - int size, struct nouveau_bo **bo) -{ - struct nouveau_bo_priv *nvbo; - int ret; - - if (!dev || !bo || *bo) - return -EINVAL; - - nvbo = calloc(1, sizeof(struct nouveau_bo_priv)); - if (!nvbo) - return -ENOMEM; - nvbo->base.device = dev; - nvbo->base.size = size; - nvbo->base.handle = bo_to_ptr(nvbo); - nvbo->drm.alignment = align; - nvbo->refcount = 1; - - if (flags & NOUVEAU_BO_TILED) { - nvbo->tiled = 1; - if (flags & NOUVEAU_BO_ZTILE) - nvbo->tiled |= 2; - flags &= ~NOUVEAU_BO_TILED; - } - - ret = nouveau_bo_set_status(&nvbo->base, flags); - if (ret) { - free(nvbo); - return ret; - } - - *bo = &nvbo->base; - return 0; -} - -int -nouveau_bo_user(struct nouveau_device *dev, void *ptr, int size, - struct nouveau_bo **bo) -{ - struct nouveau_bo_priv *nvbo; - - if (!dev || !bo || *bo) - return -EINVAL; - - nvbo = calloc(1, sizeof(*nvbo)); - if (!nvbo) - return -ENOMEM; - nvbo->base.device = dev; - - nvbo->sysmem = ptr; - nvbo->user = 1; - - nvbo->base.size = size; - nvbo->base.offset = nvbo->drm.offset; - nvbo->base.handle = bo_to_ptr(nvbo); - nvbo->refcount = 1; - *bo = &nvbo->base; - return 0; -} - -int -nouveau_bo_ref(struct nouveau_device *dev, uint64_t handle, - struct nouveau_bo **bo) -{ - struct nouveau_bo_priv *nvbo = ptr_to_bo(handle); - - if (!dev || !bo || *bo) - return -EINVAL; - - nvbo->refcount++; - *bo = &nvbo->base; - return 0; -} - -static void -nouveau_bo_del_cb(void *priv) -{ - struct nouveau_bo_priv *nvbo = priv; - - nouveau_fence_ref(NULL, &nvbo->fence); - nouveau_mem_free(nvbo->base.device, &nvbo->drm, &nvbo->map); - if (nvbo->sysmem && !nvbo->user) - free(nvbo->sysmem); - free(nvbo); -} - -void -nouveau_bo_del(struct nouveau_bo **bo) -{ - struct nouveau_bo_priv *nvbo; - - if (!bo || !*bo) - return; - nvbo = nouveau_bo(*bo); - *bo = NULL; - - if (--nvbo->refcount) - return; - - if (nvbo->pending) - nouveau_pushbuf_flush(nvbo->pending->channel, 0); - - if (nvbo->fence) - nouveau_fence_signal_cb(nvbo->fence, nouveau_bo_del_cb, nvbo); - else - nouveau_bo_del_cb(nvbo); -} - -int -nouveau_bo_busy(struct nouveau_bo *bo, uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct nouveau_fence *fence; - - if (!nvbo) - return -EINVAL; - - /* If the buffer is pending it must be busy, unless - * both are RD, in which case we can allow access */ - if (nvbo->pending) { - if ((nvbo->pending->flags & NOUVEAU_BO_RDWR) == NOUVEAU_BO_RD && - (flags & NOUVEAU_BO_RDWR) == NOUVEAU_BO_RD) - return 0; - else - return 1; - } - - if (flags & NOUVEAU_BO_WR) - fence = nvbo->fence; - else - fence = nvbo->wr_fence; - - /* If the buffer is not pending and doesn't have a fence - * that conflicts with our flags then it can't be busy - */ - if (!fence) - return 0; - else - /* If the fence is signalled the buffer is not busy, else is busy */ - return !nouveau_fence(fence)->signalled; -} - -int -nouveau_bo_map(struct nouveau_bo *bo, uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - - if (!nvbo) - return -EINVAL; - - if (nvbo->pending && - (nvbo->pending->flags & NOUVEAU_BO_WR || flags & NOUVEAU_BO_WR)) { - nouveau_pushbuf_flush(nvbo->pending->channel, 0); - } - - if (flags & NOUVEAU_BO_WR) - nouveau_fence_wait(&nvbo->fence); - else - nouveau_fence_wait(&nvbo->wr_fence); - - if (nvbo->sysmem) - bo->map = nvbo->sysmem; - else - bo->map = nvbo->map; - return 0; -} - -void -nouveau_bo_unmap(struct nouveau_bo *bo) -{ - bo->map = NULL; -} - -static int -nouveau_bo_upload(struct nouveau_bo_priv *nvbo) -{ - if (nvbo->fence) - nouveau_fence_wait(&nvbo->fence); - memcpy(nvbo->map, nvbo->sysmem, nvbo->drm.size); - return 0; -} - -int -nouveau_bo_set_status(struct nouveau_bo *bo, uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct drm_nouveau_mem_alloc new; - void *new_map = NULL, *new_sysmem = NULL; - unsigned new_flags = 0, ret; - - assert(!bo->map); - - /* Check current memtype vs requested, if they match do nothing */ - if ((nvbo->drm.flags & NOUVEAU_MEM_FB) && (flags & NOUVEAU_BO_VRAM)) - return 0; - if ((nvbo->drm.flags & (NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI)) && - (flags & NOUVEAU_BO_GART)) - return 0; - if (nvbo->drm.size == 0 && nvbo->sysmem && (flags & NOUVEAU_BO_LOCAL)) - return 0; - - memset(&new, 0x00, sizeof(new)); - - /* Allocate new memory */ - if (flags & NOUVEAU_BO_VRAM) - new_flags |= NOUVEAU_MEM_FB; - else - if (flags & NOUVEAU_BO_GART) - new_flags |= (NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI); - - if (nvbo->tiled && flags) { - new_flags |= NOUVEAU_MEM_TILE; - if (nvbo->tiled & 2) - new_flags |= NOUVEAU_MEM_TILE_ZETA; - } - - if (new_flags) { - ret = nouveau_mem_alloc(bo->device, bo->size, - nvbo->drm.alignment, new_flags, - &new, &new_map); - if (ret) - return ret; - } else - if (!nvbo->user) { - new_sysmem = malloc(bo->size); - } - - /* Copy old -> new */ - /*XXX: use M2MF */ - if (nvbo->sysmem || nvbo->map) { - struct nouveau_pushbuf_bo *pbo = nvbo->pending; - nvbo->pending = NULL; - nouveau_bo_map(bo, NOUVEAU_BO_RD); - memcpy(new_map, bo->map, bo->size); - nouveau_bo_unmap(bo); - nvbo->pending = pbo; - } - - /* Free old memory */ - if (nvbo->fence) - nouveau_fence_wait(&nvbo->fence); - nouveau_mem_free(bo->device, &nvbo->drm, &nvbo->map); - if (nvbo->sysmem && !nvbo->user) - free(nvbo->sysmem); - - nvbo->drm = new; - nvbo->map = new_map; - if (!nvbo->user) - nvbo->sysmem = new_sysmem; - bo->flags = flags; - bo->offset = nvbo->drm.offset; - return 0; -} - -static int -nouveau_bo_validate_user(struct nouveau_channel *chan, struct nouveau_bo *bo, - struct nouveau_fence *fence, uint32_t flags) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_device_priv *nvdev = nouveau_device(chan->device); - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct nouveau_resource *r; - - if (nvchan->user_charge + bo->size > nvdev->sa.size) - return 1; - - if (!(flags & NOUVEAU_BO_GART)) - return 1; - - r = nouveau_bo_tmp(chan, bo->size, fence); - if (!r) - return 1; - nvchan->user_charge += bo->size; - - memcpy(nvdev->sa_map + r->start, nvbo->sysmem, bo->size); - - nvbo->offset = nvdev->sa.offset + r->start; - nvbo->flags = NOUVEAU_BO_GART; - return 0; -} - -static int -nouveau_bo_validate_bo(struct nouveau_channel *chan, struct nouveau_bo *bo, - struct nouveau_fence *fence, uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - int ret; - - ret = nouveau_bo_set_status(bo, flags); - if (ret) { - nouveau_fence_flush(chan); - - ret = nouveau_bo_set_status(bo, flags); - if (ret) - return ret; - } - - if (nvbo->user) - nouveau_bo_upload(nvbo); - - nvbo->offset = nvbo->drm.offset; - if (nvbo->drm.flags & (NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI)) - nvbo->flags = NOUVEAU_BO_GART; - else - nvbo->flags = NOUVEAU_BO_VRAM; - - return 0; -} - -int -nouveau_bo_validate(struct nouveau_channel *chan, struct nouveau_bo *bo, - uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct nouveau_fence *fence = nouveau_pushbuf(chan->pushbuf)->fence; - int ret; - - assert(bo->map == NULL); - - if (nvbo->user) { - ret = nouveau_bo_validate_user(chan, bo, fence, flags); - if (ret) { - ret = nouveau_bo_validate_bo(chan, bo, fence, flags); - if (ret) - return ret; - } - } else { - ret = nouveau_bo_validate_bo(chan, bo, fence, flags); - if (ret) - return ret; - } - - if (flags & NOUVEAU_BO_WR) - nouveau_fence_ref(fence, &nvbo->wr_fence); - nouveau_fence_ref(fence, &nvbo->fence); - return 0; -} - |