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/******************************************************************************
* asm-x86/xenoprof.h
* xenoprof x86 arch specific header file
*
* Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_X86_XENOPROF_H__
#define __ASM_X86_XENOPROF_H__
struct vcpu;
#ifdef CONFIG_XENOPROF
#include <public/xen.h>
int nmi_reserve_counters(void);
int nmi_setup_events(void);
int nmi_enable_virq(void);
int nmi_start(void);
void nmi_stop(void);
void nmi_disable_virq(void);
void nmi_release_counters(void);
int xenoprof_arch_init(int *num_events, char *cpu_type);
#define xenoprof_arch_reserve_counters() nmi_reserve_counters()
#define xenoprof_arch_setup_events() nmi_setup_events()
#define xenoprof_arch_enable_virq() nmi_enable_virq()
#define xenoprof_arch_start() nmi_start()
#define xenoprof_arch_stop() nmi_stop()
#define xenoprof_arch_disable_virq() nmi_disable_virq()
#define xenoprof_arch_release_counters() nmi_release_counters()
int xenoprof_arch_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
int compat_oprof_arch_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
int xenoprof_arch_ibs_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
struct cpu_user_regs;
/* AMD IBS support */
void ibs_init(void);
extern u32 ibs_caps;
int xenoprofile_get_mode(struct vcpu *, const struct cpu_user_regs *);
static inline int xenoprof_backtrace_supported(void)
{
return 1;
}
void xenoprof_backtrace(struct vcpu *, const struct cpu_user_regs *,
unsigned long depth, int mode);
int passive_domain_do_rdmsr(unsigned int msr, uint64_t *msr_content);
int passive_domain_do_wrmsr(unsigned int msr, uint64_t msr_content);
void passive_domain_destroy(struct vcpu *v);
bool nmi_oprofile_send_virq(void);
#else
static inline int passive_domain_do_rdmsr(unsigned int msr,
uint64_t *msr_content)
{
return 0;
}
static inline int passive_domain_do_wrmsr(unsigned int msr,
uint64_t msr_content)
{
return 0;
}
static inline void passive_domain_destroy(struct vcpu *v) {}
static inline bool nmi_oprofile_send_virq(void)
{
return false;
}
#endif /* CONFIG_XENOPROF */
#endif /* __ASM_X86_XENOPROF_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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