drivers/scsi/megaraid/mbox_defs.h

File Facts

System

Linux kernel

Corpus path

drivers/scsi/megaraid/mbox_defs.h

Extension

.h

Size

20930 bytes

Lines

784

Domain

Driver Families

Bucket

drivers/scsi

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

• linux/types.h

Detected Declarations

• struct private_bios_data

Annotated Snippet

struct private_bios_data {
	uint8_t		geometry	:4;
	uint8_t		unused		:4;
	uint8_t		boot_drv;
	uint8_t		rsvd[12];
	uint16_t	cksum;
} __attribute__ ((packed));


/**
 * mbox_sgl64 - 64-bit scatter list for mailbox based controllers
 * @address	: address of the buffer
 * @length	: data transfer length
 */
typedef struct {
	uint64_t	address;
	uint32_t	length;
} __attribute__ ((packed)) mbox_sgl64;

/**
 * mbox_sgl32 - 32-bit scatter list for mailbox based controllers
 * @address	: address of the buffer
 * @length	: data transfer length
 */
typedef struct {
	uint32_t	address;
	uint32_t	length;
} __attribute__ ((packed)) mbox_sgl32;

#endif		// _MRAID_MBOX_DEFS_H_

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct private_bios_data`.
• Atlas domain: Driver Families / drivers/scsi.
• 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.