drivers/gpu/drm/xe/xe_sysctrl_mailbox.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/xe/xe_sysctrl_mailbox.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/xe/xe_sysctrl_mailbox.h
Extension
.h
Size
742 bytes
Lines
32
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.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _XE_SYSCTRL_MAILBOX_H_
#define _XE_SYSCTRL_MAILBOX_H_

#include <linux/bitfield.h>
#include <linux/types.h>

#include "abi/xe_sysctrl_abi.h"

struct xe_sysctrl;
struct xe_sysctrl_mailbox_command;

#define XE_SYSCTRL_APP_HDR_GROUP_ID(hdr) \
	FIELD_GET(APP_HDR_GROUP_ID_MASK, (hdr)->data)

#define XE_SYSCTRL_APP_HDR_COMMAND(hdr) \
	FIELD_GET(APP_HDR_COMMAND_MASK, (hdr)->data)

#define XE_SYSCTRL_APP_HDR_VERSION(hdr) \
	FIELD_GET(APP_HDR_VERSION_MASK, (hdr)->data)

void xe_sysctrl_mailbox_init(struct xe_sysctrl *sc);
int xe_sysctrl_send_command(struct xe_sysctrl *sc,
			    struct xe_sysctrl_mailbox_command *cmd,
			    size_t *rdata_len);

#endif

Annotation

Implementation Notes