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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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63cc028484
Implement DRM fdinfo interface to expose memory usage statistics for NPU device file descriptors. Exclude unpinned and imported buffers from resident memory calculations to provide accurate memory usage reporting. Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com> Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Link: https://patch.msgid.link/20251106101052.1050348-2-karol.wachowski@linux.intel.com
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2025 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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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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u32 ctx_id;
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bool mmu_mapped;
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};
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int ivpu_bo_bind(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 drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);
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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_runtime(struct ivpu_device *vdev, u64 addr, 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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int ivpu_bo_create_from_userptr_ioctl(struct drm_device *dev, void *data,
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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 bool ivpu_bo_is_read_only(struct ivpu_bo *bo)
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{
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return bo->flags & DRM_IVPU_BO_READ_ONLY;
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}
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static inline bool ivpu_bo_is_resident(struct ivpu_bo *bo)
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{
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return !!bo->base.pages;
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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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static inline bool ivpu_bo_is_mappable(struct ivpu_bo *bo)
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{
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return bo->flags & DRM_IVPU_BO_MAPPABLE;
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}
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#endif /* __IVPU_GEM_H__ */
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