Differential D34034 Diff 101923 sys/sys/pcpu.h

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sys/sys/pcpu.h

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#include <sys/queue.h>		#include <sys/queue.h>
#include <sys/_rmlock.h>		#include <sys/_rmlock.h>
#include <sys/resource.h>		#include <sys/resource.h>
#include <machine/pcpu.h>		#include <machine/pcpu.h>

#define DPCPU_SETNAME "set_pcpu"		#define DPCPU_SETNAME "set_pcpu"
#define DPCPU_SYMPREFIX "pcpu_entry_"		#define DPCPU_SYMPREFIX "pcpu_entry_"

#ifdef _KERNEL		#if defined(_KERNEL) \|\| defined(_KERNEL_UT)

/*		/*
* Define a set for pcpu data.		* Define a set for pcpu data.
*/		*/
extern uintptr_t *__start_set_pcpu;		extern uintptr_t *__start_set_pcpu;
		#ifndef _KERNEL_UT
		impUnsubmitted Not Done Inline Actions same, etc imp: same, etc
__GLOBL(__start_set_pcpu);		__GLOBL(__start_set_pcpu);
		#endif
extern uintptr_t *__stop_set_pcpu;		extern uintptr_t *__stop_set_pcpu;
		#ifndef _KERNEL_UT
__GLOBL(__stop_set_pcpu);		__GLOBL(__stop_set_pcpu);
		#endif

/*		/*
* Array of dynamic pcpu base offsets. Indexed by id.		* Array of dynamic pcpu base offsets. Indexed by id.
*/		*/
extern uintptr_t dpcpu_off[];		extern uintptr_t dpcpu_off[];

/*		/*
* Convenience defines.		* Convenience defines.
▲ Show 20 Lines • Show All 132 Lines • ▼ Show 20 Lines	struct pcpu {
* (e.g., lsof, part of gtop) define _KERNEL and include this		* (e.g., lsof, part of gtop) define _KERNEL and include this
* header. While strictly speaking this is wrong, there's no		* header. While strictly speaking this is wrong, there's no
* reason not to keep the offsets of the MI fields constant		* reason not to keep the offsets of the MI fields constant
* if only to make kernel debugging easier.		* if only to make kernel debugging easier.
*/		*/
PCPU_MD_FIELDS;		PCPU_MD_FIELDS;
} __aligned(CACHE_LINE_SIZE);		} __aligned(CACHE_LINE_SIZE);

#ifdef _KERNEL		#if defined(_KERNEL) \|\| defined(_KERNEL_UT)

STAILQ_HEAD(cpuhead, pcpu);		STAILQ_HEAD(cpuhead, pcpu);

extern struct cpuhead cpuhead;		extern struct cpuhead cpuhead;
extern struct pcpu *cpuid_to_pcpu[];		extern struct pcpu *cpuid_to_pcpu[];

#define curcpu PCPU_GET(cpuid)		#define curcpu PCPU_GET(cpuid)
#define curvidata PCPU_GET(vidata)		#define curvidata PCPU_GET(vidata)
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void *dpcpu_alloc(int size);		void *dpcpu_alloc(int size);
void dpcpu_copy(void *s, int size);		void dpcpu_copy(void *s, int size);
void dpcpu_free(void *s, int size);		void dpcpu_free(void *s, int size);
void dpcpu_init(void *dpcpu, int cpuid);		void dpcpu_init(void *dpcpu, int cpuid);
void pcpu_destroy(struct pcpu *pcpu);		void pcpu_destroy(struct pcpu *pcpu);
struct pcpu *pcpu_find(u_int cpuid);		struct pcpu *pcpu_find(u_int cpuid);
void pcpu_init(struct pcpu *pcpu, int cpuid, size_t size);		void pcpu_init(struct pcpu *pcpu, int cpuid, size_t size);

#endif /* _KERNEL */		#endif /* _KERNEL \|\| _KERNEL_UT */

#endif /* !_SYS_PCPU_H_ */		#endif /* !_SYS_PCPU_H_ */