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/* $NetBSD: cpuvar.h,v 1.53 2020/07/14 00:45:53 yamaguchi Exp $ */
/*-
* Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by RedBack Networks Inc.
*
* Author: Bill Sommerfeld
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1999 Stefan Grefen
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR AND CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _X86_CPUVAR_H_
#define _X86_CPUVAR_H_
struct cpu_info;
struct cpu_functions {
#ifndef XENPV
int (*start)(struct cpu_info *, paddr_t);
#else /* XENPV */
int (*start)(struct cpu_info *, vaddr_t);
#endif /* XENPV */
int (*stop)(struct cpu_info *);
void (*cleanup)(struct cpu_info *);
};
extern const struct cpu_functions mp_cpu_funcs;
#define CPU_ROLE_SP 0
#define CPU_ROLE_BP 1
#define CPU_ROLE_AP 2
struct cpu_attach_args {
int cpu_id;
int cpu_number;
int cpu_role;
const struct cpu_functions *cpu_func;
};
struct cpufeature_attach_args {
struct cpu_info *ci;
const char *name;
};
#ifdef _KERNEL
#include <sys/kcpuset.h>
#if defined(_KERNEL_OPT)
#include "opt_multiprocessor.h"
#include "opt_xen.h"
#endif /* defined(_KERNEL_OPT) */
extern int (*x86_ipi)(int, int, int);
int x86_ipi_init(int);
int x86_ipi_startup(int, int);
void x86_errata(void);
void identifycpu(struct cpu_info *);
void identifycpu_cpuids(struct cpu_info *);
void cpu_init(struct cpu_info *);
void cpu_init_tss(struct cpu_info *);
void cpu_init_first(void);
void cpu_init_idt(struct cpu_info *);
void x86_cpu_idle_init(void);
void x86_cpu_idle_halt(void);
void x86_cpu_idle_mwait(void);
#ifdef XEN
void x86_cpu_idle_xen(void);
#endif
void cpu_get_tsc_freq(struct cpu_info *);
void pat_init(struct cpu_info *);
extern int cpu_vendor;
extern bool x86_mp_online;
extern uint32_t cpu_feature[7];
#endif /* _KERNEL */
#endif /* !_X86_CPUVAR_H_ */
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