drivers/gpu/drm/nouveau/include/nvkm/core/os.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/nouveau/include/nvkm/core/os.h

Extension

.h

Size

1388 bytes

Lines

34

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: implementation source

Status

source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• nvif/os.h

Detected Declarations

• struct nvkm_blob
• function nvkm_blob_dtor

Annotated Snippet

struct nvkm_blob {
	void *data;
	u32 size;
};

static inline void
nvkm_blob_dtor(struct nvkm_blob *blob)
{
	kfree(blob->data);
	blob->data = NULL;
	blob->size = 0;
}

#define nvkm_list_find_next(p,h,m,c) ({                                                      \
	typeof(p) _p = NULL;                                                                 \
	list_for_each_entry_continue(p, (h), m) {                                            \
		if (c) {                                                                     \
			_p = p;                                                              \
			break;                                                               \
		}                                                                            \
	}                                                                                    \
	_p;                                                                                  \
})
#define nvkm_list_find(p,h,m,c)                                                              \
	(p = container_of((h), typeof(*p), m), nvkm_list_find_next(p, (h), m, (c)))
#define nvkm_list_foreach(p,h,m,c)                                                           \
	for (p = nvkm_list_find(p, (h), m, (c)); p; p = nvkm_list_find_next(p, (h), m, (c)))
#endif

Annotation

• Immediate include surface: `nvif/os.h`.
• Detected declarations: `struct nvkm_blob`, `function nvkm_blob_dtor`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.