drivers/gpu/drm/panfrost/panfrost_mmu.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/panfrost/panfrost_mmu.h

Extension

.h

Size

986 bytes

Lines

28

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

• No C-style include directives detected by the generator.

Detected Declarations

• struct panfrost_device
• struct panfrost_gem_mapping
• struct panfrost_file_priv
• struct panfrost_mmu

Annotated Snippet

#ifndef __PANFROST_MMU_H__
#define __PANFROST_MMU_H__

struct panfrost_device;
struct panfrost_gem_mapping;
struct panfrost_file_priv;
struct panfrost_mmu;

int panfrost_mmu_map(struct panfrost_gem_mapping *mapping);
void panfrost_mmu_unmap(struct panfrost_gem_mapping *mapping);

int panfrost_mmu_init(struct panfrost_device *pfdev);
void panfrost_mmu_fini(struct panfrost_device *pfdev);
void panfrost_mmu_reset(struct panfrost_device *pfdev);
void panfrost_mmu_suspend_irq(struct panfrost_device *pfdev);

int panfrost_mmu_as_get(struct panfrost_device *pfdev, struct panfrost_mmu *mmu);
void panfrost_mmu_as_put(struct panfrost_device *pfdev, struct panfrost_mmu *mmu);

struct panfrost_mmu *panfrost_mmu_ctx_get(struct panfrost_mmu *mmu);
void panfrost_mmu_ctx_put(struct panfrost_mmu *mmu);
struct panfrost_mmu *panfrost_mmu_ctx_create(struct panfrost_device *pfdev);

#endif

Annotation

• Detected declarations: `struct panfrost_device`, `struct panfrost_gem_mapping`, `struct panfrost_file_priv`, `struct panfrost_mmu`.
• 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.