arch/mips/include/asm/sn/agent.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/sn/agent.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/sn/agent.h
Extension
.h
Size
1133 bytes
Lines
46
Domain
Architecture Layer
Bucket
arch/mips
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

#ifndef _ASM_SGI_SN_AGENT_H
#define _ASM_SGI_SN_AGENT_H

#include <asm/sn/addrs.h>
#include <asm/sn/arch.h>

#if defined(CONFIG_SGI_IP27)
#include <asm/sn/sn0/hub.h>
#elif defined(CONFIG_SGI_IP35)
#include <asm/sn/sn1/hub.h>
#endif	/* !CONFIG_SGI_IP27 && !CONFIG_SGI_IP35 */

/*
 * NIC register macros
 */

#if defined(CONFIG_SGI_IP27)
#define HUB_NIC_ADDR(_cpuid)						   \
	REMOTE_HUB_ADDR(cpu_to_node(_cpuid),				   \
		MD_MLAN_CTL)
#endif

#define SET_HUB_NIC(_my_cpuid, _val)					   \
	(HUB_S(HUB_NIC_ADDR(_my_cpuid), (_val)))

#define SET_MY_HUB_NIC(_v)						   \
	SET_HUB_NIC(cpuid(), (_v))

#define GET_HUB_NIC(_my_cpuid)						   \
	(HUB_L(HUB_NIC_ADDR(_my_cpuid)))

#define GET_MY_HUB_NIC()						   \
	GET_HUB_NIC(cpuid())

#endif /* _ASM_SGI_SN_AGENT_H */

Annotation

Implementation Notes