arch/powerpc/sysdev/ipic.h

Source file repositories/reference/linux-study-clean/arch/powerpc/sysdev/ipic.h

File Facts

System
Linux kernel
Corpus path
arch/powerpc/sysdev/ipic.h
Extension
.h
Size
1369 bytes
Lines
57
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ipic {
	volatile u32 __iomem	*regs;

	/* The remapper for this IPIC */
	struct irq_domain		*irqhost;
};

struct ipic_info {
	u8	ack;		/* pending register offset from base if the irq
				   supports ack operation */
	u8	mask;		/* mask register offset from base */
	u8	prio;		/* priority register offset from base */
	u8	force;		/* force register offset from base */
	u8	bit;		/* register bit position (as per doc)
				   bit mask = 1 << (31 - bit) */
	u8	prio_mask;	/* priority mask value */
};

#endif /* __IPIC_H__ */

Annotation

Implementation Notes