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https://github.com/torvalds/linux.git
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60e9eabf41
Some conflicts with ttm_bo->offset removal, but drm-misc-next needs updating to v5.8. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
974 lines
24 KiB
C
974 lines
24 KiB
C
/*
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* Copyright (C) 2008 Ben Skeggs.
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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
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* a 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, sublicense, 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
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nouveau_drv.h"
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#include "nouveau_dma.h"
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#include "nouveau_fence.h"
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#include "nouveau_abi16.h"
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#include "nouveau_ttm.h"
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#include "nouveau_gem.h"
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#include "nouveau_mem.h"
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#include "nouveau_vmm.h"
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#include <nvif/class.h>
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void
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nouveau_gem_object_del(struct drm_gem_object *gem)
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{
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struct nouveau_bo *nvbo = nouveau_gem_object(gem);
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struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
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struct device *dev = drm->dev->dev;
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int ret;
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ret = pm_runtime_get_sync(dev);
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if (WARN_ON(ret < 0 && ret != -EACCES))
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return;
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if (gem->import_attach)
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drm_prime_gem_destroy(gem, nvbo->bo.sg);
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ttm_bo_put(&nvbo->bo);
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pm_runtime_mark_last_busy(dev);
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pm_runtime_put_autosuspend(dev);
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}
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int
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nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
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{
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struct nouveau_cli *cli = nouveau_cli(file_priv);
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struct nouveau_bo *nvbo = nouveau_gem_object(gem);
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struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
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struct device *dev = drm->dev->dev;
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struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
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struct nouveau_vma *vma;
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int ret;
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if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
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return 0;
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ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
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if (ret)
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return ret;
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ret = pm_runtime_get_sync(dev);
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if (ret < 0 && ret != -EACCES) {
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pm_runtime_put_autosuspend(dev);
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goto out;
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}
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ret = nouveau_vma_new(nvbo, vmm, &vma);
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pm_runtime_mark_last_busy(dev);
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pm_runtime_put_autosuspend(dev);
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out:
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ttm_bo_unreserve(&nvbo->bo);
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return ret;
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}
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struct nouveau_gem_object_unmap {
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struct nouveau_cli_work work;
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struct nouveau_vma *vma;
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};
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static void
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nouveau_gem_object_delete(struct nouveau_vma *vma)
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{
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nouveau_fence_unref(&vma->fence);
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nouveau_vma_del(&vma);
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}
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static void
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nouveau_gem_object_delete_work(struct nouveau_cli_work *w)
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{
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struct nouveau_gem_object_unmap *work =
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container_of(w, typeof(*work), work);
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nouveau_gem_object_delete(work->vma);
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kfree(work);
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}
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static void
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nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
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{
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struct dma_fence *fence = vma->fence ? &vma->fence->base : NULL;
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struct nouveau_gem_object_unmap *work;
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list_del_init(&vma->head);
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if (!fence) {
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nouveau_gem_object_delete(vma);
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return;
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}
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if (!(work = kmalloc(sizeof(*work), GFP_KERNEL))) {
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WARN_ON(dma_fence_wait_timeout(fence, false, 2 * HZ) <= 0);
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nouveau_gem_object_delete(vma);
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return;
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}
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work->work.func = nouveau_gem_object_delete_work;
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work->vma = vma;
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nouveau_cli_work_queue(vma->vmm->cli, fence, &work->work);
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}
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void
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nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
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{
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struct nouveau_cli *cli = nouveau_cli(file_priv);
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struct nouveau_bo *nvbo = nouveau_gem_object(gem);
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struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
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struct device *dev = drm->dev->dev;
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struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : & cli->vmm;
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struct nouveau_vma *vma;
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int ret;
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if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
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return;
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ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
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if (ret)
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return;
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vma = nouveau_vma_find(nvbo, vmm);
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if (vma) {
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if (--vma->refs == 0) {
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ret = pm_runtime_get_sync(dev);
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if (!WARN_ON(ret < 0 && ret != -EACCES)) {
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nouveau_gem_object_unmap(nvbo, vma);
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pm_runtime_mark_last_busy(dev);
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}
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pm_runtime_put_autosuspend(dev);
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}
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}
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ttm_bo_unreserve(&nvbo->bo);
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}
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int
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nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
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uint32_t tile_mode, uint32_t tile_flags,
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struct nouveau_bo **pnvbo)
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{
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struct nouveau_drm *drm = cli->drm;
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struct nouveau_bo *nvbo;
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u32 flags = 0;
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int ret;
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if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
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flags |= TTM_PL_FLAG_VRAM;
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if (domain & NOUVEAU_GEM_DOMAIN_GART)
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flags |= TTM_PL_FLAG_TT;
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if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
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flags |= TTM_PL_FLAG_SYSTEM;
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if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
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flags |= TTM_PL_FLAG_UNCACHED;
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nvbo = nouveau_bo_alloc(cli, &size, &align, flags, tile_mode,
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tile_flags);
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if (IS_ERR(nvbo))
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return PTR_ERR(nvbo);
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/* Initialize the embedded gem-object. We return a single gem-reference
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* to the caller, instead of a normal nouveau_bo ttm reference. */
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ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size);
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if (ret) {
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nouveau_bo_ref(NULL, &nvbo);
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return ret;
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}
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ret = nouveau_bo_init(nvbo, size, align, flags, NULL, NULL);
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if (ret) {
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nouveau_bo_ref(NULL, &nvbo);
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return ret;
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}
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/* we restrict allowed domains on nv50+ to only the types
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* that were requested at creation time. not possibly on
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* earlier chips without busting the ABI.
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*/
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nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
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NOUVEAU_GEM_DOMAIN_GART;
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if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
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nvbo->valid_domains &= domain;
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nvbo->bo.persistent_swap_storage = nvbo->bo.base.filp;
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*pnvbo = nvbo;
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return 0;
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}
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static int
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nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
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struct drm_nouveau_gem_info *rep)
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{
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struct nouveau_cli *cli = nouveau_cli(file_priv);
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struct nouveau_bo *nvbo = nouveau_gem_object(gem);
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struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
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struct nouveau_vma *vma;
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if (is_power_of_2(nvbo->valid_domains))
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rep->domain = nvbo->valid_domains;
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else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
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rep->domain = NOUVEAU_GEM_DOMAIN_GART;
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else
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rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
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rep->offset = nvbo->offset;
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if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
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vma = nouveau_vma_find(nvbo, vmm);
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if (!vma)
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return -EINVAL;
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rep->offset = vma->addr;
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}
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rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
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rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node);
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rep->tile_mode = nvbo->mode;
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rep->tile_flags = nvbo->contig ? 0 : NOUVEAU_GEM_TILE_NONCONTIG;
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if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
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rep->tile_flags |= nvbo->kind << 8;
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else
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if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
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rep->tile_flags |= nvbo->kind << 8 | nvbo->comp << 16;
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else
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rep->tile_flags |= nvbo->zeta;
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return 0;
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}
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int
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nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct nouveau_cli *cli = nouveau_cli(file_priv);
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struct drm_nouveau_gem_new *req = data;
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struct nouveau_bo *nvbo = NULL;
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int ret = 0;
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ret = nouveau_gem_new(cli, req->info.size, req->align,
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req->info.domain, req->info.tile_mode,
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req->info.tile_flags, &nvbo);
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if (ret)
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return ret;
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ret = drm_gem_handle_create(file_priv, &nvbo->bo.base,
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&req->info.handle);
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if (ret == 0) {
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ret = nouveau_gem_info(file_priv, &nvbo->bo.base, &req->info);
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if (ret)
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drm_gem_handle_delete(file_priv, req->info.handle);
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}
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/* drop reference from allocate - handle holds it now */
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drm_gem_object_put(&nvbo->bo.base);
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return ret;
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}
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static int
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nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
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uint32_t write_domains, uint32_t valid_domains)
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{
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struct nouveau_bo *nvbo = nouveau_gem_object(gem);
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struct ttm_buffer_object *bo = &nvbo->bo;
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uint32_t domains = valid_domains & nvbo->valid_domains &
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(write_domains ? write_domains : read_domains);
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uint32_t pref_flags = 0, valid_flags = 0;
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if (!domains)
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return -EINVAL;
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if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
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valid_flags |= TTM_PL_FLAG_VRAM;
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if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
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valid_flags |= TTM_PL_FLAG_TT;
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if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
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bo->mem.mem_type == TTM_PL_VRAM)
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pref_flags |= TTM_PL_FLAG_VRAM;
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else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
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bo->mem.mem_type == TTM_PL_TT)
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pref_flags |= TTM_PL_FLAG_TT;
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else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
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pref_flags |= TTM_PL_FLAG_VRAM;
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else
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pref_flags |= TTM_PL_FLAG_TT;
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nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
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return 0;
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}
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struct validate_op {
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struct list_head list;
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struct ww_acquire_ctx ticket;
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};
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static void
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validate_fini_no_ticket(struct validate_op *op, struct nouveau_channel *chan,
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struct nouveau_fence *fence,
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struct drm_nouveau_gem_pushbuf_bo *pbbo)
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{
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struct nouveau_bo *nvbo;
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struct drm_nouveau_gem_pushbuf_bo *b;
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while (!list_empty(&op->list)) {
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nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
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b = &pbbo[nvbo->pbbo_index];
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if (likely(fence)) {
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nouveau_bo_fence(nvbo, fence, !!b->write_domains);
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if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
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struct nouveau_vma *vma =
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(void *)(unsigned long)b->user_priv;
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nouveau_fence_unref(&vma->fence);
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dma_fence_get(&fence->base);
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vma->fence = fence;
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}
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}
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if (unlikely(nvbo->validate_mapped)) {
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ttm_bo_kunmap(&nvbo->kmap);
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nvbo->validate_mapped = false;
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}
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list_del(&nvbo->entry);
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nvbo->reserved_by = NULL;
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ttm_bo_unreserve(&nvbo->bo);
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drm_gem_object_put(&nvbo->bo.base);
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}
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}
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static void
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validate_fini(struct validate_op *op, struct nouveau_channel *chan,
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struct nouveau_fence *fence,
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struct drm_nouveau_gem_pushbuf_bo *pbbo)
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{
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validate_fini_no_ticket(op, chan, fence, pbbo);
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ww_acquire_fini(&op->ticket);
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}
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static int
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validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
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struct drm_nouveau_gem_pushbuf_bo *pbbo,
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int nr_buffers, struct validate_op *op)
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{
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struct nouveau_cli *cli = nouveau_cli(file_priv);
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int trycnt = 0;
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int ret = -EINVAL, i;
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struct nouveau_bo *res_bo = NULL;
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LIST_HEAD(gart_list);
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LIST_HEAD(vram_list);
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LIST_HEAD(both_list);
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ww_acquire_init(&op->ticket, &reservation_ww_class);
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retry:
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if (++trycnt > 100000) {
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NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
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return -EINVAL;
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}
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|
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for (i = 0; i < nr_buffers; i++) {
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struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
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struct drm_gem_object *gem;
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struct nouveau_bo *nvbo;
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|
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gem = drm_gem_object_lookup(file_priv, b->handle);
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if (!gem) {
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NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
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ret = -ENOENT;
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break;
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}
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nvbo = nouveau_gem_object(gem);
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if (nvbo == res_bo) {
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res_bo = NULL;
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drm_gem_object_put(gem);
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continue;
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}
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|
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if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
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NV_PRINTK(err, cli, "multiple instances of buffer %d on "
|
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"validation list\n", b->handle);
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drm_gem_object_put(gem);
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ret = -EINVAL;
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break;
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}
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|
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ret = ttm_bo_reserve(&nvbo->bo, true, false, &op->ticket);
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if (ret) {
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list_splice_tail_init(&vram_list, &op->list);
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list_splice_tail_init(&gart_list, &op->list);
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list_splice_tail_init(&both_list, &op->list);
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validate_fini_no_ticket(op, chan, NULL, NULL);
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if (unlikely(ret == -EDEADLK)) {
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ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
|
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&op->ticket);
|
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if (!ret)
|
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res_bo = nvbo;
|
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}
|
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if (unlikely(ret)) {
|
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if (ret != -ERESTARTSYS)
|
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NV_PRINTK(err, cli, "fail reserve\n");
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break;
|
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}
|
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}
|
|
|
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if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
|
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struct nouveau_vmm *vmm = chan->vmm;
|
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struct nouveau_vma *vma = nouveau_vma_find(nvbo, vmm);
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if (!vma) {
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NV_PRINTK(err, cli, "vma not found!\n");
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ret = -EINVAL;
|
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break;
|
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}
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|
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b->user_priv = (uint64_t)(unsigned long)vma;
|
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} else {
|
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b->user_priv = (uint64_t)(unsigned long)nvbo;
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}
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|
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nvbo->reserved_by = file_priv;
|
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nvbo->pbbo_index = i;
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if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
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(b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
|
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list_add_tail(&nvbo->entry, &both_list);
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else
|
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if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
|
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list_add_tail(&nvbo->entry, &vram_list);
|
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else
|
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if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
|
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list_add_tail(&nvbo->entry, &gart_list);
|
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else {
|
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NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
|
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b->valid_domains);
|
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list_add_tail(&nvbo->entry, &both_list);
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ret = -EINVAL;
|
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break;
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|
}
|
|
if (nvbo == res_bo)
|
|
goto retry;
|
|
}
|
|
|
|
ww_acquire_done(&op->ticket);
|
|
list_splice_tail(&vram_list, &op->list);
|
|
list_splice_tail(&gart_list, &op->list);
|
|
list_splice_tail(&both_list, &op->list);
|
|
if (ret)
|
|
validate_fini(op, chan, NULL, NULL);
|
|
return ret;
|
|
|
|
}
|
|
|
|
static int
|
|
validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
|
|
struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo)
|
|
{
|
|
struct nouveau_drm *drm = chan->drm;
|
|
struct nouveau_bo *nvbo;
|
|
int ret, relocs = 0;
|
|
|
|
list_for_each_entry(nvbo, list, entry) {
|
|
struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
|
|
|
|
ret = nouveau_gem_set_domain(&nvbo->bo.base, b->read_domains,
|
|
b->write_domains,
|
|
b->valid_domains);
|
|
if (unlikely(ret)) {
|
|
NV_PRINTK(err, cli, "fail set_domain\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = nouveau_bo_validate(nvbo, true, false);
|
|
if (unlikely(ret)) {
|
|
if (ret != -ERESTARTSYS)
|
|
NV_PRINTK(err, cli, "fail ttm_validate\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
|
|
if (unlikely(ret)) {
|
|
if (ret != -ERESTARTSYS)
|
|
NV_PRINTK(err, cli, "fail post-validate sync\n");
|
|
return ret;
|
|
}
|
|
|
|
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
|
|
if (nvbo->offset == b->presumed.offset &&
|
|
((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
|
|
b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
|
|
(nvbo->bo.mem.mem_type == TTM_PL_TT &&
|
|
b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
|
|
continue;
|
|
|
|
if (nvbo->bo.mem.mem_type == TTM_PL_TT)
|
|
b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
|
|
else
|
|
b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
|
|
b->presumed.offset = nvbo->offset;
|
|
b->presumed.valid = 0;
|
|
relocs++;
|
|
}
|
|
}
|
|
|
|
return relocs;
|
|
}
|
|
|
|
static int
|
|
nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
|
|
struct drm_file *file_priv,
|
|
struct drm_nouveau_gem_pushbuf_bo *pbbo,
|
|
int nr_buffers,
|
|
struct validate_op *op, bool *apply_relocs)
|
|
{
|
|
struct nouveau_cli *cli = nouveau_cli(file_priv);
|
|
int ret;
|
|
|
|
INIT_LIST_HEAD(&op->list);
|
|
|
|
if (nr_buffers == 0)
|
|
return 0;
|
|
|
|
ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
|
|
if (unlikely(ret)) {
|
|
if (ret != -ERESTARTSYS)
|
|
NV_PRINTK(err, cli, "validate_init\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = validate_list(chan, cli, &op->list, pbbo);
|
|
if (unlikely(ret < 0)) {
|
|
if (ret != -ERESTARTSYS)
|
|
NV_PRINTK(err, cli, "validating bo list\n");
|
|
validate_fini(op, chan, NULL, NULL);
|
|
return ret;
|
|
}
|
|
*apply_relocs = ret;
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
u_free(void *addr)
|
|
{
|
|
kvfree(addr);
|
|
}
|
|
|
|
static inline void *
|
|
u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
|
|
{
|
|
void *mem;
|
|
void __user *userptr = (void __force __user *)(uintptr_t)user;
|
|
|
|
size *= nmemb;
|
|
|
|
mem = kvmalloc(size, GFP_KERNEL);
|
|
if (!mem)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
if (copy_from_user(mem, userptr, size)) {
|
|
u_free(mem);
|
|
return ERR_PTR(-EFAULT);
|
|
}
|
|
|
|
return mem;
|
|
}
|
|
|
|
static int
|
|
nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
|
|
struct drm_nouveau_gem_pushbuf *req,
|
|
struct drm_nouveau_gem_pushbuf_reloc *reloc,
|
|
struct drm_nouveau_gem_pushbuf_bo *bo)
|
|
{
|
|
int ret = 0;
|
|
unsigned i;
|
|
|
|
for (i = 0; i < req->nr_relocs; i++) {
|
|
struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
|
|
struct drm_nouveau_gem_pushbuf_bo *b;
|
|
struct nouveau_bo *nvbo;
|
|
uint32_t data;
|
|
|
|
if (unlikely(r->bo_index >= req->nr_buffers)) {
|
|
NV_PRINTK(err, cli, "reloc bo index invalid\n");
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
b = &bo[r->bo_index];
|
|
if (b->presumed.valid)
|
|
continue;
|
|
|
|
if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
|
|
NV_PRINTK(err, cli, "reloc container bo index invalid\n");
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
|
|
|
|
if (unlikely(r->reloc_bo_offset + 4 >
|
|
nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
|
|
NV_PRINTK(err, cli, "reloc outside of bo\n");
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (!nvbo->kmap.virtual) {
|
|
ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
|
|
&nvbo->kmap);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "failed kmap for reloc\n");
|
|
break;
|
|
}
|
|
nvbo->validate_mapped = true;
|
|
}
|
|
|
|
if (r->flags & NOUVEAU_GEM_RELOC_LOW)
|
|
data = b->presumed.offset + r->data;
|
|
else
|
|
if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
|
|
data = (b->presumed.offset + r->data) >> 32;
|
|
else
|
|
data = r->data;
|
|
|
|
if (r->flags & NOUVEAU_GEM_RELOC_OR) {
|
|
if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
|
|
data |= r->tor;
|
|
else
|
|
data |= r->vor;
|
|
}
|
|
|
|
ret = ttm_bo_wait(&nvbo->bo, false, false);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
|
|
break;
|
|
}
|
|
|
|
nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
|
|
}
|
|
|
|
u_free(reloc);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
|
|
struct nouveau_cli *cli = nouveau_cli(file_priv);
|
|
struct nouveau_abi16_chan *temp;
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct drm_nouveau_gem_pushbuf *req = data;
|
|
struct drm_nouveau_gem_pushbuf_push *push;
|
|
struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
|
|
struct drm_nouveau_gem_pushbuf_bo *bo;
|
|
struct nouveau_channel *chan = NULL;
|
|
struct validate_op op;
|
|
struct nouveau_fence *fence = NULL;
|
|
int i, j, ret = 0;
|
|
bool do_reloc = false, sync = false;
|
|
|
|
if (unlikely(!abi16))
|
|
return -ENOMEM;
|
|
|
|
list_for_each_entry(temp, &abi16->channels, head) {
|
|
if (temp->chan->chid == req->channel) {
|
|
chan = temp->chan;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!chan)
|
|
return nouveau_abi16_put(abi16, -ENOENT);
|
|
if (unlikely(atomic_read(&chan->killed)))
|
|
return nouveau_abi16_put(abi16, -ENODEV);
|
|
|
|
sync = req->vram_available & NOUVEAU_GEM_PUSHBUF_SYNC;
|
|
|
|
req->vram_available = drm->gem.vram_available;
|
|
req->gart_available = drm->gem.gart_available;
|
|
if (unlikely(req->nr_push == 0))
|
|
goto out_next;
|
|
|
|
if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
|
|
NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n",
|
|
req->nr_push, NOUVEAU_GEM_MAX_PUSH);
|
|
return nouveau_abi16_put(abi16, -EINVAL);
|
|
}
|
|
|
|
if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
|
|
NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n",
|
|
req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
|
|
return nouveau_abi16_put(abi16, -EINVAL);
|
|
}
|
|
|
|
if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
|
|
NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
|
|
req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
|
|
return nouveau_abi16_put(abi16, -EINVAL);
|
|
}
|
|
|
|
push = u_memcpya(req->push, req->nr_push, sizeof(*push));
|
|
if (IS_ERR(push))
|
|
return nouveau_abi16_put(abi16, PTR_ERR(push));
|
|
|
|
bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
|
|
if (IS_ERR(bo)) {
|
|
u_free(push);
|
|
return nouveau_abi16_put(abi16, PTR_ERR(bo));
|
|
}
|
|
|
|
/* Ensure all push buffers are on validate list */
|
|
for (i = 0; i < req->nr_push; i++) {
|
|
if (push[i].bo_index >= req->nr_buffers) {
|
|
NV_PRINTK(err, cli, "push %d buffer not in list\n", i);
|
|
ret = -EINVAL;
|
|
goto out_prevalid;
|
|
}
|
|
}
|
|
|
|
/* Validate buffer list */
|
|
revalidate:
|
|
ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo,
|
|
req->nr_buffers, &op, &do_reloc);
|
|
if (ret) {
|
|
if (ret != -ERESTARTSYS)
|
|
NV_PRINTK(err, cli, "validate: %d\n", ret);
|
|
goto out_prevalid;
|
|
}
|
|
|
|
/* Apply any relocations that are required */
|
|
if (do_reloc) {
|
|
if (!reloc) {
|
|
validate_fini(&op, chan, NULL, bo);
|
|
reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
|
|
if (IS_ERR(reloc)) {
|
|
ret = PTR_ERR(reloc);
|
|
goto out_prevalid;
|
|
}
|
|
|
|
goto revalidate;
|
|
}
|
|
|
|
ret = nouveau_gem_pushbuf_reloc_apply(cli, req, reloc, bo);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (chan->dma.ib_max) {
|
|
ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < req->nr_push; i++) {
|
|
struct nouveau_vma *vma = (void *)(unsigned long)
|
|
bo[push[i].bo_index].user_priv;
|
|
|
|
nv50_dma_push(chan, vma->addr + push[i].offset,
|
|
push[i].length);
|
|
}
|
|
} else
|
|
if (drm->client.device.info.chipset >= 0x25) {
|
|
ret = RING_SPACE(chan, req->nr_push * 2);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "cal_space: %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < req->nr_push; i++) {
|
|
struct nouveau_bo *nvbo = (void *)(unsigned long)
|
|
bo[push[i].bo_index].user_priv;
|
|
|
|
OUT_RING(chan, (nvbo->offset + push[i].offset) | 2);
|
|
OUT_RING(chan, 0);
|
|
}
|
|
} else {
|
|
ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < req->nr_push; i++) {
|
|
struct nouveau_bo *nvbo = (void *)(unsigned long)
|
|
bo[push[i].bo_index].user_priv;
|
|
uint32_t cmd;
|
|
|
|
cmd = chan->push.addr + ((chan->dma.cur + 2) << 2);
|
|
cmd |= 0x20000000;
|
|
if (unlikely(cmd != req->suffix0)) {
|
|
if (!nvbo->kmap.virtual) {
|
|
ret = ttm_bo_kmap(&nvbo->bo, 0,
|
|
nvbo->bo.mem.
|
|
num_pages,
|
|
&nvbo->kmap);
|
|
if (ret) {
|
|
WIND_RING(chan);
|
|
goto out;
|
|
}
|
|
nvbo->validate_mapped = true;
|
|
}
|
|
|
|
nouveau_bo_wr32(nvbo, (push[i].offset +
|
|
push[i].length - 8) / 4, cmd);
|
|
}
|
|
|
|
OUT_RING(chan, 0x20000000 |
|
|
(nvbo->offset + push[i].offset));
|
|
OUT_RING(chan, 0);
|
|
for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
|
|
OUT_RING(chan, 0);
|
|
}
|
|
}
|
|
|
|
ret = nouveau_fence_new(chan, false, &fence);
|
|
if (ret) {
|
|
NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
|
|
WIND_RING(chan);
|
|
goto out;
|
|
}
|
|
|
|
if (sync) {
|
|
if (!(ret = nouveau_fence_wait(fence, false, false))) {
|
|
if ((ret = dma_fence_get_status(&fence->base)) == 1)
|
|
ret = 0;
|
|
}
|
|
}
|
|
|
|
out:
|
|
validate_fini(&op, chan, fence, bo);
|
|
nouveau_fence_unref(&fence);
|
|
|
|
if (do_reloc) {
|
|
struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
|
|
u64_to_user_ptr(req->buffers);
|
|
|
|
for (i = 0; i < req->nr_buffers; i++) {
|
|
if (bo[i].presumed.valid)
|
|
continue;
|
|
|
|
if (copy_to_user(&upbbo[i].presumed, &bo[i].presumed,
|
|
sizeof(bo[i].presumed))) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
}
|
|
u_free(reloc);
|
|
}
|
|
out_prevalid:
|
|
u_free(bo);
|
|
u_free(push);
|
|
|
|
out_next:
|
|
if (chan->dma.ib_max) {
|
|
req->suffix0 = 0x00000000;
|
|
req->suffix1 = 0x00000000;
|
|
} else
|
|
if (drm->client.device.info.chipset >= 0x25) {
|
|
req->suffix0 = 0x00020000;
|
|
req->suffix1 = 0x00000000;
|
|
} else {
|
|
req->suffix0 = 0x20000000 |
|
|
(chan->push.addr + ((chan->dma.cur + 2) << 2));
|
|
req->suffix1 = 0x00000000;
|
|
}
|
|
|
|
return nouveau_abi16_put(abi16, ret);
|
|
}
|
|
|
|
int
|
|
nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_nouveau_gem_cpu_prep *req = data;
|
|
struct drm_gem_object *gem;
|
|
struct nouveau_bo *nvbo;
|
|
bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
|
|
bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
|
|
long lret;
|
|
int ret;
|
|
|
|
gem = drm_gem_object_lookup(file_priv, req->handle);
|
|
if (!gem)
|
|
return -ENOENT;
|
|
nvbo = nouveau_gem_object(gem);
|
|
|
|
lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
|
|
no_wait ? 0 : 30 * HZ);
|
|
if (!lret)
|
|
ret = -EBUSY;
|
|
else if (lret > 0)
|
|
ret = 0;
|
|
else
|
|
ret = lret;
|
|
|
|
nouveau_bo_sync_for_cpu(nvbo);
|
|
drm_gem_object_put(gem);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_nouveau_gem_cpu_fini *req = data;
|
|
struct drm_gem_object *gem;
|
|
struct nouveau_bo *nvbo;
|
|
|
|
gem = drm_gem_object_lookup(file_priv, req->handle);
|
|
if (!gem)
|
|
return -ENOENT;
|
|
nvbo = nouveau_gem_object(gem);
|
|
|
|
nouveau_bo_sync_for_device(nvbo);
|
|
drm_gem_object_put(gem);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_nouveau_gem_info *req = data;
|
|
struct drm_gem_object *gem;
|
|
int ret;
|
|
|
|
gem = drm_gem_object_lookup(file_priv, req->handle);
|
|
if (!gem)
|
|
return -ENOENT;
|
|
|
|
ret = nouveau_gem_info(file_priv, gem, req);
|
|
drm_gem_object_put(gem);
|
|
return ret;
|
|
}
|
|
|