include/linux/firmware/cirrus/wmfw.h

File Facts

System

Linux kernel

Corpus path

include/linux/firmware/cirrus/wmfw.h

Extension

.h

Size

3712 bytes

Lines

209

Domain

Core OS

Bucket

Core Kernel Interface

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/types.h

Detected Declarations

• struct wmfw_header
• struct wmfw_footer
• struct wmfw_adsp1_sizes
• struct wmfw_adsp2_sizes
• struct wmfw_region
• struct wmfw_id_hdr
• struct wmfw_v3_id_hdr
• struct wmfw_adsp1_id_hdr
• struct wmfw_adsp2_id_hdr
• struct wmfw_halo_id_hdr
• struct wmfw_alg_hdr
• struct wmfw_adsp1_alg_hdr
• struct wmfw_adsp2_alg_hdr
• struct wmfw_halo_alg_hdr
• struct wmfw_adsp_alg_data
• struct wmfw_adsp_coeff_data
• struct wmfw_coeff_hdr
• struct wmfw_coeff_item

Annotated Snippet

struct wmfw_header {
	char magic[4];
	__le32 len;
	__le16 rev;
	u8 core;
	u8 ver;
} __packed;

struct wmfw_footer {
	__le64 timestamp;
	__le32 checksum;
} __packed;

struct wmfw_adsp1_sizes {
	__le32 dm;
	__le32 pm;
	__le32 zm;
} __packed;

struct wmfw_adsp2_sizes {
	__le32 xm;
	__le32 ym;
	__le32 pm;
	__le32 zm;
} __packed;

struct wmfw_region {
	union {
		__be32 type;
		__le32 offset;
	};
	__le32 len;
	u8 data[];
} __packed;

struct wmfw_id_hdr {
	__be32 core_id;
	__be32 core_rev;
	__be32 id;
	__be32 ver;
} __packed;

struct wmfw_v3_id_hdr {
	__be32 core_id;
	__be32 block_rev;
	__be32 vendor_id;
	__be32 id;
	__be32 ver;
} __packed;

struct wmfw_adsp1_id_hdr {
	struct wmfw_id_hdr fw;
	__be32 zm;
	__be32 dm;
	__be32 n_algs;
} __packed;

struct wmfw_adsp2_id_hdr {
	struct wmfw_id_hdr fw;
	__be32 zm;
	__be32 xm;
	__be32 ym;
	__be32 n_algs;
} __packed;

struct wmfw_halo_id_hdr {
	struct wmfw_v3_id_hdr fw;
	__be32 xm_base;
	__be32 xm_size;
	__be32 ym_base;
	__be32 ym_size;
	__be32 n_algs;
} __packed;

struct wmfw_alg_hdr {
	__be32 id;
	__be32 ver;
} __packed;

struct wmfw_adsp1_alg_hdr {
	struct wmfw_alg_hdr alg;
	__be32 zm;
	__be32 dm;
} __packed;

struct wmfw_adsp2_alg_hdr {
	struct wmfw_alg_hdr alg;
	__be32 zm;
	__be32 xm;
	__be32 ym;

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct wmfw_header`, `struct wmfw_footer`, `struct wmfw_adsp1_sizes`, `struct wmfw_adsp2_sizes`, `struct wmfw_region`, `struct wmfw_id_hdr`, `struct wmfw_v3_id_hdr`, `struct wmfw_adsp1_id_hdr`, `struct wmfw_adsp2_id_hdr`, `struct wmfw_halo_id_hdr`.
• Atlas domain: Core OS / Core Kernel Interface.
• 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.