1 /******************************************************************************
2 * asm-x86/xenoprof.h
3 * xenoprof x86 arch specific header file
4 *
5 * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
6 * VA Linux Systems Japan K.K.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #ifndef __ASM_X86_XENOPROF_H__
23 #define __ASM_X86_XENOPROF_H__
24
25 struct vcpu;
26
27 #ifdef CONFIG_XENOPROF
28
29 int nmi_reserve_counters(void);
30 int nmi_setup_events(void);
31 int nmi_enable_virq(void);
32 int nmi_start(void);
33 void nmi_stop(void);
34 void nmi_disable_virq(void);
35 void nmi_release_counters(void);
36
37 int xenoprof_arch_init(int *num_events, char *cpu_type);
38 #define xenoprof_arch_reserve_counters() nmi_reserve_counters()
39 #define xenoprof_arch_setup_events() nmi_setup_events()
40 #define xenoprof_arch_enable_virq() nmi_enable_virq()
41 #define xenoprof_arch_start() nmi_start()
42 #define xenoprof_arch_stop() nmi_stop()
43 #define xenoprof_arch_disable_virq() nmi_disable_virq()
44 #define xenoprof_arch_release_counters() nmi_release_counters()
45
46 int xenoprof_arch_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
47 int compat_oprof_arch_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
48 int xenoprof_arch_ibs_counter(XEN_GUEST_HANDLE_PARAM(void) arg);
49
50 struct cpu_user_regs;
51
52 /* AMD IBS support */
53 void ibs_init(void);
54 extern u32 ibs_caps;
55
56 int xenoprofile_get_mode(struct vcpu *, const struct cpu_user_regs *);
57
xenoprof_backtrace_supported(void)58 static inline int xenoprof_backtrace_supported(void)
59 {
60 return 1;
61 }
62
63 void xenoprof_backtrace(struct vcpu *, const struct cpu_user_regs *,
64 unsigned long depth, int mode);
65
66 int passive_domain_do_rdmsr(unsigned int msr, uint64_t *msr_content);
67 int passive_domain_do_wrmsr(unsigned int msr, uint64_t msr_content);
68 void passive_domain_destroy(struct vcpu *v);
69
70 #else
71
passive_domain_do_rdmsr(unsigned int msr,uint64_t * msr_content)72 static inline int passive_domain_do_rdmsr(unsigned int msr,
73 uint64_t *msr_content)
74 {
75 return 0;
76 }
77
passive_domain_do_wrmsr(unsigned int msr,uint64_t msr_content)78 static inline int passive_domain_do_wrmsr(unsigned int msr,
79 uint64_t msr_content)
80 {
81 return 0;
82 }
83
passive_domain_destroy(struct vcpu * v)84 static inline void passive_domain_destroy(struct vcpu *v) {}
85
86 #endif /* CONFIG_XENOPROF */
87
88 #endif /* __ASM_X86_XENOPROF_H__ */
89
90 /*
91 * Local variables:
92 * mode: C
93 * c-file-style: "BSD"
94 * c-basic-offset: 4
95 * tab-width: 4
96 * indent-tabs-mode: nil
97 * End:
98 */
99