diff options
Diffstat (limited to 'nouveau/nouveau_bo.c')
| -rw-r--r-- | nouveau/nouveau_bo.c | 549 |
1 files changed, 0 insertions, 549 deletions
diff --git a/nouveau/nouveau_bo.c b/nouveau/nouveau_bo.c deleted file mode 100644 index d6bb22de..00000000 --- a/nouveau/nouveau_bo.c +++ /dev/null @@ -1,549 +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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdint.h> -#include <stdlib.h> -#include <errno.h> -#include <assert.h> - -#include <sys/mman.h> - -#include "nouveau_private.h" - -int -nouveau_bo_init(struct nouveau_device *dev) -{ - return 0; -} - -void -nouveau_bo_takedown(struct nouveau_device *dev) -{ -} - -static int -nouveau_bo_info(struct nouveau_bo_priv *nvbo, struct drm_nouveau_gem_info *arg) -{ - nvbo->handle = nvbo->base.handle = arg->handle; - nvbo->domain = arg->domain; - nvbo->size = arg->size; - nvbo->offset = arg->offset; - nvbo->map_handle = arg->map_handle; - nvbo->base.tile_mode = arg->tile_mode; - /* XXX - flag inverted for backwards compatibility */ - nvbo->base.tile_flags = arg->tile_flags ^ NOUVEAU_GEM_TILE_NONCONTIG; - return 0; -} - -static int -nouveau_bo_allocated(struct nouveau_bo_priv *nvbo) -{ - if (nvbo->sysmem || nvbo->handle) - return 1; - return 0; -} - -static int -nouveau_bo_ualloc(struct nouveau_bo_priv *nvbo) -{ - if (nvbo->user || nvbo->sysmem) { - assert(nvbo->sysmem); - return 0; - } - - nvbo->sysmem = malloc(nvbo->size); - if (!nvbo->sysmem) - return -ENOMEM; - - return 0; -} - -static void -nouveau_bo_ufree(struct nouveau_bo_priv *nvbo) -{ - if (nvbo->sysmem) { - if (!nvbo->user) - free(nvbo->sysmem); - nvbo->sysmem = NULL; - } -} - -static void -nouveau_bo_kfree(struct nouveau_bo_priv *nvbo) -{ - struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device); - struct drm_gem_close req; - - if (!nvbo->handle) - return; - - if (nvbo->map) { - munmap(nvbo->map, nvbo->size); - nvbo->map = NULL; - } - - req.handle = nvbo->handle; - nvbo->handle = 0; - drmIoctl(nvdev->fd, DRM_IOCTL_GEM_CLOSE, &req); -} - -static int -nouveau_bo_kalloc(struct nouveau_bo_priv *nvbo, struct nouveau_channel *chan) -{ - struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device); - struct drm_nouveau_gem_new req; - struct drm_nouveau_gem_info *info = &req.info; - int ret; - - if (nvbo->handle) - return 0; - - req.channel_hint = chan ? chan->id : 0; - req.align = nvbo->align; - - - info->size = nvbo->size; - info->domain = 0; - - if (nvbo->flags & NOUVEAU_BO_VRAM) - info->domain |= NOUVEAU_GEM_DOMAIN_VRAM; - if (nvbo->flags & NOUVEAU_BO_GART) - info->domain |= NOUVEAU_GEM_DOMAIN_GART; - if (!info->domain) { - info->domain |= (NOUVEAU_GEM_DOMAIN_VRAM | - NOUVEAU_GEM_DOMAIN_GART); - } - - if (nvbo->flags & NOUVEAU_BO_MAP) - info->domain |= NOUVEAU_GEM_DOMAIN_MAPPABLE; - - info->tile_mode = nvbo->base.tile_mode; - info->tile_flags = nvbo->base.tile_flags; - /* XXX - flag inverted for backwards compatibility */ - info->tile_flags ^= NOUVEAU_GEM_TILE_NONCONTIG; - if (!nvdev->has_bo_usage) - info->tile_flags &= NOUVEAU_GEM_TILE_LAYOUT_MASK; - - ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_NEW, - &req, sizeof(req)); - if (ret) - return ret; - - nouveau_bo_info(nvbo, &req.info); - return 0; -} - -static int -nouveau_bo_kmap(struct nouveau_bo_priv *nvbo) -{ - struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device); - - if (nvbo->map) - return 0; - - if (!nvbo->map_handle) - return -EINVAL; - - nvbo->map = mmap(0, nvbo->size, PROT_READ | PROT_WRITE, - MAP_SHARED, nvdev->fd, nvbo->map_handle); - if (nvbo->map == MAP_FAILED) { - nvbo->map = NULL; - return -errno; - } - - return 0; -} - -int -nouveau_bo_new_tile(struct nouveau_device *dev, uint32_t flags, int align, - int size, uint32_t tile_mode, uint32_t tile_flags, - 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.tile_mode = tile_mode; - nvbo->base.tile_flags = tile_flags; - - nvbo->refcount = 1; - nvbo->flags = flags; - nvbo->size = size; - nvbo->align = align; - - if (flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) { - ret = nouveau_bo_kalloc(nvbo, NULL); - if (ret) { - nouveau_bo_ref(NULL, (void *)&nvbo); - return ret; - } - } - - *bo = &nvbo->base; - return 0; -} - -int -nouveau_bo_new(struct nouveau_device *dev, uint32_t flags, int align, - int size, struct nouveau_bo **bo) -{ - return nouveau_bo_new_tile(dev, flags, align, size, 0, 0, bo); -} - -int -nouveau_bo_user(struct nouveau_device *dev, void *ptr, int size, - struct nouveau_bo **bo) -{ - struct nouveau_bo_priv *nvbo; - int ret; - - ret = nouveau_bo_new(dev, NOUVEAU_BO_MAP, 0, size, bo); - if (ret) - return ret; - nvbo = nouveau_bo(*bo); - - nvbo->sysmem = ptr; - nvbo->user = 1; - return 0; -} - -int -nouveau_bo_wrap(struct nouveau_device *dev, uint32_t handle, - struct nouveau_bo **bo) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - struct drm_nouveau_gem_info req; - struct nouveau_bo_priv *nvbo; - int ret; - - ret = nouveau_bo_new(dev, 0, 0, 0, bo); - if (ret) - return ret; - nvbo = nouveau_bo(*bo); - - req.handle = handle; - ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_INFO, - &req, sizeof(req)); - if (ret) { - nouveau_bo_ref(NULL, bo); - return ret; - } - - nouveau_bo_info(nvbo, &req); - nvbo->base.size = nvbo->size; - return 0; -} - -int -nouveau_bo_handle_get(struct nouveau_bo *bo, uint32_t *handle) -{ - struct nouveau_device_priv *nvdev = nouveau_device(bo->device); - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - int ret; - - if (!bo || !handle) - return -EINVAL; - - if (!nvbo->global_handle) { - struct drm_gem_flink req; - - ret = nouveau_bo_kalloc(nvbo, NULL); - if (ret) - return ret; - - req.handle = nvbo->handle; - ret = drmIoctl(nvdev->fd, DRM_IOCTL_GEM_FLINK, &req); - if (ret) { - nouveau_bo_kfree(nvbo); - return ret; - } - - nvbo->global_handle = req.name; - } - - *handle = nvbo->global_handle; - return 0; -} - -int -nouveau_bo_handle_ref(struct nouveau_device *dev, uint32_t handle, - struct nouveau_bo **bo) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - struct nouveau_bo_priv *nvbo; - struct drm_gem_open req; - int ret; - - req.name = handle; - ret = drmIoctl(nvdev->fd, DRM_IOCTL_GEM_OPEN, &req); - if (ret) { - nouveau_bo_ref(NULL, bo); - return ret; - } - - ret = nouveau_bo_wrap(dev, req.handle, bo); - if (ret) { - nouveau_bo_ref(NULL, bo); - return ret; - } - - nvbo = nouveau_bo(*bo); - nvbo->base.handle = nvbo->handle; - return 0; -} - -static 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) { - nvbo->pending = NULL; - nouveau_pushbuf_flush(nvbo->pending_channel, 0); - } - - nouveau_bo_ufree(nvbo); - nouveau_bo_kfree(nvbo); - free(nvbo); -} - -int -nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pbo) -{ - if (!pbo) - return -EINVAL; - - if (ref) - nouveau_bo(ref)->refcount++; - - if (*pbo) - nouveau_bo_del(pbo); - - *pbo = ref; - return 0; -} - -static int -nouveau_bo_wait(struct nouveau_bo *bo, int cpu_write, int no_wait, int no_block) -{ - struct nouveau_device_priv *nvdev = nouveau_device(bo->device); - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct drm_nouveau_gem_cpu_prep req; - int ret; - - if (!nvbo->global_handle && !nvbo->write_marker && !cpu_write) - return 0; - - if (nvbo->pending && - (nvbo->pending->write_domains || cpu_write)) { - nvbo->pending = NULL; - nouveau_pushbuf_flush(nvbo->pending_channel, 0); - } - - req.handle = nvbo->handle; - req.flags = 0; - if (cpu_write) - req.flags |= NOUVEAU_GEM_CPU_PREP_WRITE; - if (no_wait) - req.flags |= NOUVEAU_GEM_CPU_PREP_NOWAIT; - if (no_block) - req.flags |= NOUVEAU_GEM_CPU_PREP_NOBLOCK; - - do { - ret = drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_CPU_PREP, - &req, sizeof(req)); - } while (ret == -EAGAIN); - if (ret) - return ret; - - if (ret == 0) - nvbo->write_marker = 0; - return 0; -} - -int -nouveau_bo_map_range(struct nouveau_bo *bo, uint32_t delta, uint32_t size, - uint32_t flags) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - int ret; - - if (!nvbo || bo->map) - return -EINVAL; - - if (!nouveau_bo_allocated(nvbo)) { - if (nvbo->flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) { - ret = nouveau_bo_kalloc(nvbo, NULL); - if (ret) - return ret; - } - - if (!nouveau_bo_allocated(nvbo)) { - ret = nouveau_bo_ualloc(nvbo); - if (ret) - return ret; - } - } - - if (nvbo->sysmem) { - bo->map = (char *)nvbo->sysmem + delta; - } else { - ret = nouveau_bo_kmap(nvbo); - if (ret) - return ret; - - if (!(flags & NOUVEAU_BO_NOSYNC)) { - ret = nouveau_bo_wait(bo, (flags & NOUVEAU_BO_WR), - (flags & NOUVEAU_BO_NOWAIT), 0); - if (ret) - return ret; - - nvbo->map_refcnt++; - } - - bo->map = (char *)nvbo->map + delta; - } - - return 0; -} - -void -nouveau_bo_map_flush(struct nouveau_bo *bo, uint32_t delta, uint32_t size) -{ -} - -int -nouveau_bo_map(struct nouveau_bo *bo, uint32_t flags) -{ - return nouveau_bo_map_range(bo, 0, bo->size, flags); -} - -void -nouveau_bo_unmap(struct nouveau_bo *bo) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - - if (bo->map && !nvbo->sysmem && nvbo->map_refcnt) { - struct nouveau_device_priv *nvdev = nouveau_device(bo->device); - struct drm_nouveau_gem_cpu_fini req; - - req.handle = nvbo->handle; - drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_CPU_FINI, - &req, sizeof(req)); - nvbo->map_refcnt--; - } - - bo->map = NULL; -} - -int -nouveau_bo_busy(struct nouveau_bo *bo, uint32_t access) -{ - return nouveau_bo_wait(bo, (access & NOUVEAU_BO_WR), 1, 1); -} - -uint32_t -nouveau_bo_pending(struct nouveau_bo *bo) -{ - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - uint32_t flags; - - if (!nvbo->pending) - return 0; - - flags = 0; - if (nvbo->pending->read_domains) - flags |= NOUVEAU_BO_RD; - if (nvbo->pending->write_domains) - flags |= NOUVEAU_BO_WR; - - return flags; -} - -struct drm_nouveau_gem_pushbuf_bo * -nouveau_bo_emit_buffer(struct nouveau_channel *chan, struct nouveau_bo *bo) -{ - struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb; - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct drm_nouveau_gem_pushbuf_bo *pbbo; - struct nouveau_bo *ref = NULL; - int ret; - - if (nvbo->pending) - return nvbo->pending; - - if (!nvbo->handle) { - ret = nouveau_bo_kalloc(nvbo, chan); - if (ret) - return NULL; - - if (nvbo->sysmem) { - void *sysmem_tmp = nvbo->sysmem; - - nvbo->sysmem = NULL; - ret = nouveau_bo_map(bo, NOUVEAU_BO_WR); - if (ret) - return NULL; - nvbo->sysmem = sysmem_tmp; - - memcpy(bo->map, nvbo->sysmem, nvbo->base.size); - nouveau_bo_ufree(nvbo); - nouveau_bo_unmap(bo); - } - } - - if (nvpb->nr_buffers >= NOUVEAU_GEM_MAX_BUFFERS) - return NULL; - pbbo = nvpb->buffers + nvpb->nr_buffers++; - nvbo->pending = pbbo; - nvbo->pending_channel = chan; - nvbo->pending_refcnt = 0; - - nouveau_bo_ref(bo, &ref); - pbbo->user_priv = (uint64_t)(unsigned long)ref; - pbbo->handle = nvbo->handle; - pbbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART; - pbbo->read_domains = 0; - pbbo->write_domains = 0; - pbbo->presumed.domain = nvbo->domain; - pbbo->presumed.offset = nvbo->offset; - pbbo->presumed.valid = 1; - return pbbo; -} |