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- // SPDX-License-Identifier: GPL-2.0 OR MIT
- /*
- * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
- * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
- *
- * 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, sub license,
- * 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 "nouveau_drv.h"
- #include "nouveau_gem.h"
- #include "nouveau_mem.h"
- #include "nouveau_ttm.h"
- #include <drm/drm_legacy.h>
- #include <core/tegra.h>
- static int
- nouveau_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
- {
- return 0;
- }
- static int
- nouveau_manager_fini(struct ttm_mem_type_manager *man)
- {
- return 0;
- }
- static void
- nouveau_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *reg)
- {
- nouveau_mem_del(reg);
- }
- static void
- nouveau_manager_debug(struct ttm_mem_type_manager *man,
- struct drm_printer *printer)
- {
- }
- static int
- nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
- struct ttm_buffer_object *bo,
- const struct ttm_place *place,
- struct ttm_mem_reg *reg)
- {
- struct nouveau_bo *nvbo = nouveau_bo(bo);
- struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
- int ret;
- if (drm->client.device.info.ram_size == 0)
- return -ENOMEM;
- ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
- if (ret)
- return ret;
- ret = nouveau_mem_vram(reg, nvbo->contig, nvbo->page);
- if (ret) {
- nouveau_mem_del(reg);
- if (ret == -ENOSPC) {
- reg->mm_node = NULL;
- return 0;
- }
- return ret;
- }
- return 0;
- }
- const struct ttm_mem_type_manager_func nouveau_vram_manager = {
- .init = nouveau_manager_init,
- .takedown = nouveau_manager_fini,
- .get_node = nouveau_vram_manager_new,
- .put_node = nouveau_manager_del,
- .debug = nouveau_manager_debug,
- };
- static int
- nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
- struct ttm_buffer_object *bo,
- const struct ttm_place *place,
- struct ttm_mem_reg *reg)
- {
- struct nouveau_bo *nvbo = nouveau_bo(bo);
- struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
- int ret;
- ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
- if (ret)
- return ret;
- reg->start = 0;
- return 0;
- }
- const struct ttm_mem_type_manager_func nouveau_gart_manager = {
- .init = nouveau_manager_init,
- .takedown = nouveau_manager_fini,
- .get_node = nouveau_gart_manager_new,
- .put_node = nouveau_manager_del,
- .debug = nouveau_manager_debug
- };
- static int
- nv04_gart_manager_new(struct ttm_mem_type_manager *man,
- struct ttm_buffer_object *bo,
- const struct ttm_place *place,
- struct ttm_mem_reg *reg)
- {
- struct nouveau_bo *nvbo = nouveau_bo(bo);
- struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
- struct nouveau_mem *mem;
- int ret;
- ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
- mem = nouveau_mem(reg);
- if (ret)
- return ret;
- ret = nvif_vmm_get(&mem->cli->vmm.vmm, PTES, false, 12, 0,
- reg->num_pages << PAGE_SHIFT, &mem->vma[0]);
- if (ret) {
- nouveau_mem_del(reg);
- if (ret == -ENOSPC) {
- reg->mm_node = NULL;
- return 0;
- }
- return ret;
- }
- reg->start = mem->vma[0].addr >> PAGE_SHIFT;
- return 0;
- }
- const struct ttm_mem_type_manager_func nv04_gart_manager = {
- .init = nouveau_manager_init,
- .takedown = nouveau_manager_fini,
- .get_node = nv04_gart_manager_new,
- .put_node = nouveau_manager_del,
- .debug = nouveau_manager_debug
- };
- int
- nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
- {
- struct drm_file *file_priv = filp->private_data;
- struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
- if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
- #if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT)
- return drm_legacy_mmap(filp, vma);
- #else
- return -EINVAL;
- #endif
- return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
- }
- static int
- nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
- {
- return ttm_mem_global_init(ref->object);
- }
- static void
- nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
- {
- ttm_mem_global_release(ref->object);
- }
- int
- nouveau_ttm_global_init(struct nouveau_drm *drm)
- {
- struct drm_global_reference *global_ref;
- int ret;
- global_ref = &drm->ttm.mem_global_ref;
- global_ref->global_type = DRM_GLOBAL_TTM_MEM;
- global_ref->size = sizeof(struct ttm_mem_global);
- global_ref->init = &nouveau_ttm_mem_global_init;
- global_ref->release = &nouveau_ttm_mem_global_release;
- ret = drm_global_item_ref(global_ref);
- if (unlikely(ret != 0)) {
- DRM_ERROR("Failed setting up TTM memory accounting\n");
- drm->ttm.mem_global_ref.release = NULL;
- return ret;
- }
- drm->ttm.bo_global_ref.mem_glob = global_ref->object;
- global_ref = &drm->ttm.bo_global_ref.ref;
- global_ref->global_type = DRM_GLOBAL_TTM_BO;
- global_ref->size = sizeof(struct ttm_bo_global);
- global_ref->init = &ttm_bo_global_init;
- global_ref->release = &ttm_bo_global_release;
- ret = drm_global_item_ref(global_ref);
- if (unlikely(ret != 0)) {
- DRM_ERROR("Failed setting up TTM BO subsystem\n");
- drm_global_item_unref(&drm->ttm.mem_global_ref);
- drm->ttm.mem_global_ref.release = NULL;
- return ret;
- }
- return 0;
- }
- void
- nouveau_ttm_global_release(struct nouveau_drm *drm)
- {
- if (drm->ttm.mem_global_ref.release == NULL)
- return;
- drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
- drm_global_item_unref(&drm->ttm.mem_global_ref);
- drm->ttm.mem_global_ref.release = NULL;
- }
- static int
- nouveau_ttm_init_host(struct nouveau_drm *drm, u8 kind)
- {
- struct nvif_mmu *mmu = &drm->client.mmu;
- int typei;
- typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE |
- kind | NVIF_MEM_COHERENT);
- if (typei < 0)
- return -ENOSYS;
- drm->ttm.type_host[!!kind] = typei;
- typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE | kind);
- if (typei < 0)
- return -ENOSYS;
- drm->ttm.type_ncoh[!!kind] = typei;
- return 0;
- }
- int
- nouveau_ttm_init(struct nouveau_drm *drm)
- {
- struct nvkm_device *device = nvxx_device(&drm->client.device);
- struct nvkm_pci *pci = device->pci;
- struct nvif_mmu *mmu = &drm->client.mmu;
- struct drm_device *dev = drm->dev;
- int typei, ret;
- ret = nouveau_ttm_init_host(drm, 0);
- if (ret)
- return ret;
- if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
- drm->client.device.info.chipset != 0x50) {
- ret = nouveau_ttm_init_host(drm, NVIF_MEM_KIND);
- if (ret)
- return ret;
- }
- if (drm->client.device.info.platform != NV_DEVICE_INFO_V0_SOC &&
- drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
- typei = nvif_mmu_type(mmu, NVIF_MEM_VRAM | NVIF_MEM_MAPPABLE |
- NVIF_MEM_KIND |
- NVIF_MEM_COMP |
- NVIF_MEM_DISP);
- if (typei < 0)
- return -ENOSYS;
- drm->ttm.type_vram = typei;
- } else {
- drm->ttm.type_vram = -1;
- }
- if (pci && pci->agp.bridge) {
- drm->agp.bridge = pci->agp.bridge;
- drm->agp.base = pci->agp.base;
- drm->agp.size = pci->agp.size;
- drm->agp.cma = pci->agp.cma;
- }
- ret = nouveau_ttm_global_init(drm);
- if (ret)
- return ret;
- ret = ttm_bo_device_init(&drm->ttm.bdev,
- drm->ttm.bo_global_ref.ref.object,
- &nouveau_bo_driver,
- dev->anon_inode->i_mapping,
- DRM_FILE_PAGE_OFFSET,
- drm->client.mmu.dmabits <= 32 ? true : false);
- if (ret) {
- NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
- return ret;
- }
- /* VRAM init */
- drm->gem.vram_available = drm->client.device.info.ram_user;
- arch_io_reserve_memtype_wc(device->func->resource_addr(device, 1),
- device->func->resource_size(device, 1));
- ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
- drm->gem.vram_available >> PAGE_SHIFT);
- if (ret) {
- NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
- return ret;
- }
- drm->ttm.mtrr = arch_phys_wc_add(device->func->resource_addr(device, 1),
- device->func->resource_size(device, 1));
- /* GART init */
- if (!drm->agp.bridge) {
- drm->gem.gart_available = drm->client.vmm.vmm.limit;
- } else {
- drm->gem.gart_available = drm->agp.size;
- }
- ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
- drm->gem.gart_available >> PAGE_SHIFT);
- if (ret) {
- NV_ERROR(drm, "GART mm init failed, %d\n", ret);
- return ret;
- }
- NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
- NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
- return 0;
- }
- void
- nouveau_ttm_fini(struct nouveau_drm *drm)
- {
- struct nvkm_device *device = nvxx_device(&drm->client.device);
- ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
- ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
- ttm_bo_device_release(&drm->ttm.bdev);
- nouveau_ttm_global_release(drm);
- arch_phys_wc_del(drm->ttm.mtrr);
- drm->ttm.mtrr = 0;
- arch_io_free_memtype_wc(device->func->resource_addr(device, 1),
- device->func->resource_size(device, 1));
- }
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