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Diffstat (limited to 'drivers/accel/ivpu/ivpu_gem.h')
-rw-r--r--drivers/accel/ivpu/ivpu_gem.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_gem.h b/drivers/accel/ivpu/ivpu_gem.h
new file mode 100644
index 000000000000..0c3350f22b55
--- /dev/null
+++ b/drivers/accel/ivpu/ivpu_gem.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020-2025 Intel Corporation
+ */
+#ifndef __IVPU_GEM_H__
+#define __IVPU_GEM_H__
+
+#include <drm/drm_gem.h>
+#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_mm.h>
+
+struct ivpu_file_priv;
+
+struct ivpu_bo {
+ struct drm_gem_shmem_object base;
+ struct ivpu_mmu_context *ctx;
+ struct list_head bo_list_node;
+ struct drm_mm_node mm_node;
+
+ u64 vpu_addr;
+ u32 flags;
+ u32 job_status; /* Valid only for command buffer */
+ u32 ctx_id;
+ bool mmu_mapped;
+};
+
+int ivpu_bo_bind(struct ivpu_bo *bo);
+void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx);
+
+struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size);
+struct drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);
+struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
+ struct ivpu_addr_range *range, u64 size, u32 flags);
+struct ivpu_bo *ivpu_bo_create_runtime(struct ivpu_device *vdev, u64 addr, u64 size, u32 flags);
+struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags);
+void ivpu_bo_free(struct ivpu_bo *bo);
+
+int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
+int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
+int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
+int ivpu_bo_create_from_userptr_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file);
+
+void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
+void ivpu_bo_list_print(struct drm_device *dev);
+
+static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
+{
+ return container_of(obj, struct ivpu_bo, base.base);
+}
+
+static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
+{
+ return bo->base.vaddr;
+}
+
+static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
+{
+ return bo->base.base.size;
+}
+
+static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
+{
+ return bo->flags & DRM_IVPU_BO_CACHE_MASK;
+}
+
+static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
+{
+ return to_ivpu_device(bo->base.base.dev);
+}
+
+static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
+{
+ if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo)))
+ return true;
+
+ return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
+}
+
+static inline bool ivpu_bo_is_read_only(struct ivpu_bo *bo)
+{
+ return bo->flags & DRM_IVPU_BO_READ_ONLY;
+}
+
+static inline bool ivpu_bo_is_resident(struct ivpu_bo *bo)
+{
+ return !!bo->base.pages;
+}
+
+static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
+{
+ if (vpu_addr < bo->vpu_addr)
+ return NULL;
+
+ if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo)))
+ return NULL;
+
+ return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr);
+}
+
+static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
+{
+ if (cpu_addr < ivpu_bo_vaddr(bo))
+ return 0;
+
+ if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo)))
+ return 0;
+
+ return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo));
+}
+
+static inline bool ivpu_bo_is_mappable(struct ivpu_bo *bo)
+{
+ return bo->flags & DRM_IVPU_BO_MAPPABLE;
+}
+
+#endif /* __IVPU_GEM_H__ */