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2c3801b174
Add module parameter that enforces snooping for all NPU accesses, both through MMU PTEs mappings and through TCU page table walk override register bits for MMU page walks / configuration access. Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240513120431.3187212-10-jacek.lawrynowicz@linux.intel.com
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#ifndef __IVPU_GEM_H__
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#define __IVPU_GEM_H__
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#include <drm/drm_gem.h>
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#include <drm/drm_gem_shmem_helper.h>
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#include <drm/drm_mm.h>
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struct ivpu_file_priv;
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struct ivpu_bo {
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struct drm_gem_shmem_object base;
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struct ivpu_mmu_context *ctx;
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struct list_head bo_list_node;
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struct drm_mm_node mm_node;
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struct mutex lock; /* Protects: ctx, mmu_mapped, vpu_addr */
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u64 vpu_addr;
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u32 flags;
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u32 job_status; /* Valid only for command buffer */
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bool mmu_mapped;
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};
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int ivpu_bo_pin(struct ivpu_bo *bo);
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void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx);
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struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size);
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struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
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struct ivpu_addr_range *range, u64 size, u32 flags);
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struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags);
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void ivpu_bo_free(struct ivpu_bo *bo);
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int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
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void ivpu_bo_list_print(struct drm_device *dev);
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static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
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{
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return container_of(obj, struct ivpu_bo, base.base);
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}
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static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
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{
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return bo->base.vaddr;
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}
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static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
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{
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return bo->base.base.size;
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}
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static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
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{
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return bo->flags & DRM_IVPU_BO_CACHE_MASK;
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}
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static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
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{
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return to_ivpu_device(bo->base.base.dev);
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}
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static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
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{
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if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo)))
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return true;
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return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
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}
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static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
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{
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if (vpu_addr < bo->vpu_addr)
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return NULL;
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if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo)))
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return NULL;
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return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr);
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}
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static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
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{
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if (cpu_addr < ivpu_bo_vaddr(bo))
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return 0;
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if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo)))
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return 0;
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return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo));
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}
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#endif /* __IVPU_GEM_H__ */
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