/*
 * Copyright 1991-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_MACHCPUVAR_H
#define	_SYS_MACHCPUVAR_H

#pragma ident	"@(#)machcpuvar.h	1.37	02/02/25 SMI"

#include <sys/intr.h>
#include <sys/clock.h>

#ifdef	__cplusplus
extern "C" {
#endif

#ifdef _STARFIRE
/*
 * Starfire's cpu upaids are not the same
 * as cpuids.
 * XXX - our obp took the liberty of
 * converting cpu upaids into cpuids when
 * presenting it as upa-portid property.
 */
#define	UPAID_TO_CPUID(upaid)	(upaid)	/* XXX */
#define	CPUID_TO_UPAID(upaid)	(((upaid & 0x3C) << 1) |	\
				((upaid & 0x40) >> 4) |		\
				(upaid &0x3))
#else
/*
 * The mid is the same as the cpu id.
 * We might want to change this later
 */
#define	UPAID_TO_CPUID(upaid)	(upaid)
#define	CPUID_TO_UPAID(cpuid)	(cpuid)
#endif	/* _STARFIRE */

#ifndef	_ASM

#include <sys/obpdefs.h>

/*
 * Machine specific fields of the cpu struct
 * defined in common/sys/cpuvar.h.
 */
struct	machcpu {
	struct machpcb	*mpcb;
	int		mutex_ready;
	int		in_prom;
	int		tl1_hdlr;
	char		*cpu_info;
	u_longlong_t	tmp1;		/* per-cpu tmps */
	u_longlong_t	tmp2;		/*  used in trap processing */
	struct intr_req intr_pool[INTR_PENDING_MAX];	/* intr pool */
	struct intr_req *intr_head[PIL_LEVELS];		/* intr que heads */
	struct intr_req *intr_tail[PIL_LEVELS];		/* intr que tails */
	int		intr_pool_added;		/* add'l intr pool */
	boolean_t	poke_cpu_outstanding;
};

/*
 * The OpenBoot Standalone Interface supplies the kernel with
 * implementation dependent parameters through the devinfo/property mechanism
 */
#define	MAXSYSNAME	20

/*
 * Used to indicate busy/idle state of a cpu.
 * msram field will be set with ECACHE_CPU_MIRROR if we are on
 * mirrored sram module.
 */
#define	ECACHE_CPU_IDLE		0x0		/* CPU is idle */
#define	ECACHE_CPU_BUSY		0x1		/* CPU is busy */
#define	ECACHE_CPU_MIRROR	0x2		/* E$ is mirrored */
#define	ECACHE_CPU_NON_MIRROR	0x3		/* E$ is not mirrored */


struct cpu_node {
	char	name[MAXSYSNAME];
	int	implementation;
	int	version;
	int	upaid;
	dnode_t	nodeid;
	uint_t	clock_freq;
	union {
		int	dummy;
	}	u_info;
	int	ecache_size;
	int	cpu_pad1;
	int	msram;
	uint32_t	cpu_pad2[108];
	u_longlong_t	*cpu_pad3;
	int	ecache_linesize;
	ushort_t	itlb_size;
	ushort_t	dtlb_size;
	/*
	 * The cpu module should allocates a private data structure for the
	 * E$ data and other data is needed for the specific cpu type.
	 */
	void		*cpu_private;		/* ptr to cpu private data */
};

extern struct cpu_node cpunodes[];

#endif	/* _ASM */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_MACHCPUVAR_H */