// 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); struct nouveau_mem *mem; int ret; if (drm->client.device.info.ram_size == 0) return -ENOMEM; ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg); mem = nouveau_mem(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); 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; 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)) return drm_legacy_mmap(filp, vma); 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)); }