17c8c0b82SPatrick Mooney /*-
27c8c0b82SPatrick Mooney * SPDX-License-Identifier: BSD-3-Clause
37c8c0b82SPatrick Mooney *
47c8c0b82SPatrick Mooney * Copyright (c) 2011 NetApp, Inc.
57c8c0b82SPatrick Mooney * All rights reserved.
67c8c0b82SPatrick Mooney *
77c8c0b82SPatrick Mooney * Redistribution and use in source and binary forms, with or without
87c8c0b82SPatrick Mooney * modification, are permitted provided that the following conditions
97c8c0b82SPatrick Mooney * are met:
107c8c0b82SPatrick Mooney * 1. Redistributions of source code must retain the above copyright
117c8c0b82SPatrick Mooney * notice, this list of conditions and the following disclaimer.
127c8c0b82SPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright
137c8c0b82SPatrick Mooney * notice, this list of conditions and the following disclaimer in the
147c8c0b82SPatrick Mooney * documentation and/or other materials provided with the distribution.
157c8c0b82SPatrick Mooney * 3. Neither the name of the University nor the names of its contributors
167c8c0b82SPatrick Mooney * may be used to endorse or promote products derived from this software
177c8c0b82SPatrick Mooney * without specific prior written permission.
187c8c0b82SPatrick Mooney *
197c8c0b82SPatrick Mooney * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
207c8c0b82SPatrick Mooney * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
217c8c0b82SPatrick Mooney * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
227c8c0b82SPatrick Mooney * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
237c8c0b82SPatrick Mooney * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
247c8c0b82SPatrick Mooney * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
257c8c0b82SPatrick Mooney * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
267c8c0b82SPatrick Mooney * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
277c8c0b82SPatrick Mooney * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
287c8c0b82SPatrick Mooney * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
297c8c0b82SPatrick Mooney * SUCH DAMAGE.
307c8c0b82SPatrick Mooney */
317c8c0b82SPatrick Mooney /*
327c8c0b82SPatrick Mooney * Copyright 2018 Joyent, Inc.
337c8c0b82SPatrick Mooney */
347c8c0b82SPatrick Mooney
357c8c0b82SPatrick Mooney #ifndef _VMM_STAT_H_
367c8c0b82SPatrick Mooney #define _VMM_STAT_H_
377c8c0b82SPatrick Mooney
387c8c0b82SPatrick Mooney #include <machine/vmm.h>
397c8c0b82SPatrick Mooney
407c8c0b82SPatrick Mooney struct vm;
417c8c0b82SPatrick Mooney
427c8c0b82SPatrick Mooney #ifdef __FreeBSD__
437c8c0b82SPatrick Mooney #define MAX_VMM_STAT_ELEMS 64 /* arbitrary */
447c8c0b82SPatrick Mooney #else
457c8c0b82SPatrick Mooney #define MAX_VMM_STAT_ELEMS (64 + VM_MAXCPU) /* arbitrary */
467c8c0b82SPatrick Mooney #endif
477c8c0b82SPatrick Mooney
487c8c0b82SPatrick Mooney enum vmm_stat_scope {
497c8c0b82SPatrick Mooney VMM_STAT_SCOPE_ANY,
507c8c0b82SPatrick Mooney VMM_STAT_SCOPE_INTEL, /* Intel VMX specific statistic */
517c8c0b82SPatrick Mooney VMM_STAT_SCOPE_AMD, /* AMD SVM specific statistic */
527c8c0b82SPatrick Mooney };
537c8c0b82SPatrick Mooney
547c8c0b82SPatrick Mooney struct vmm_stat_type;
557c8c0b82SPatrick Mooney typedef void (*vmm_stat_func_t)(struct vm *vm, int vcpu,
567c8c0b82SPatrick Mooney struct vmm_stat_type *stat);
577c8c0b82SPatrick Mooney
587c8c0b82SPatrick Mooney struct vmm_stat_type {
597c8c0b82SPatrick Mooney int index; /* position in the stats buffer */
607c8c0b82SPatrick Mooney int nelems; /* standalone or array */
617c8c0b82SPatrick Mooney const char *desc; /* description of statistic */
627c8c0b82SPatrick Mooney vmm_stat_func_t func;
637c8c0b82SPatrick Mooney enum vmm_stat_scope scope;
647c8c0b82SPatrick Mooney };
657c8c0b82SPatrick Mooney
667c8c0b82SPatrick Mooney void vmm_stat_register(void *arg);
677c8c0b82SPatrick Mooney
687c8c0b82SPatrick Mooney #define VMM_STAT_FDEFINE(type, nelems, desc, func, scope) \
697c8c0b82SPatrick Mooney struct vmm_stat_type type[1] = { \
707c8c0b82SPatrick Mooney { -1, nelems, desc, func, scope } \
717c8c0b82SPatrick Mooney }; \
727c8c0b82SPatrick Mooney SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_register, type)
737c8c0b82SPatrick Mooney
747c8c0b82SPatrick Mooney #define VMM_STAT_DEFINE(type, nelems, desc, scope) \
757c8c0b82SPatrick Mooney VMM_STAT_FDEFINE(type, nelems, desc, NULL, scope)
767c8c0b82SPatrick Mooney
777c8c0b82SPatrick Mooney #define VMM_STAT_DECLARE(type) \
787c8c0b82SPatrick Mooney extern struct vmm_stat_type type[1]
797c8c0b82SPatrick Mooney
807c8c0b82SPatrick Mooney #define VMM_STAT(type, desc) \
817c8c0b82SPatrick Mooney VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_ANY)
827c8c0b82SPatrick Mooney #define VMM_STAT_INTEL(type, desc) \
837c8c0b82SPatrick Mooney VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_INTEL)
847c8c0b82SPatrick Mooney #define VMM_STAT_AMD(type, desc) \
857c8c0b82SPatrick Mooney VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_AMD)
867c8c0b82SPatrick Mooney
877c8c0b82SPatrick Mooney #define VMM_STAT_FUNC(type, desc, func) \
887c8c0b82SPatrick Mooney VMM_STAT_FDEFINE(type, 1, desc, func, VMM_STAT_SCOPE_ANY)
897c8c0b82SPatrick Mooney
907c8c0b82SPatrick Mooney #define VMM_STAT_ARRAY(type, nelems, desc) \
917c8c0b82SPatrick Mooney VMM_STAT_DEFINE(type, nelems, desc, VMM_STAT_SCOPE_ANY)
927c8c0b82SPatrick Mooney
937c8c0b82SPatrick Mooney void *vmm_stat_alloc(void);
947c8c0b82SPatrick Mooney void vmm_stat_init(void *vp);
957c8c0b82SPatrick Mooney void vmm_stat_free(void *vp);
967c8c0b82SPatrick Mooney
97*d7b72f7bSAndy Fiddaman int vmm_stat_copy(struct vm *vm, int vcpu, int index, int count,
98*d7b72f7bSAndy Fiddaman int *num_stats, uint64_t *buf);
997c8c0b82SPatrick Mooney int vmm_stat_desc_copy(int index, char *buf, int buflen);
1007c8c0b82SPatrick Mooney
1017c8c0b82SPatrick Mooney static __inline void
vmm_stat_array_incr(struct vm * vm,int vcpu,struct vmm_stat_type * vst,int statidx,uint64_t x)1027c8c0b82SPatrick Mooney vmm_stat_array_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst,
1037c8c0b82SPatrick Mooney int statidx, uint64_t x)
1047c8c0b82SPatrick Mooney {
1057c8c0b82SPatrick Mooney #ifdef VMM_KEEP_STATS
1067c8c0b82SPatrick Mooney uint64_t *stats;
1077c8c0b82SPatrick Mooney
1087c8c0b82SPatrick Mooney stats = vcpu_stats(vm, vcpu);
1097c8c0b82SPatrick Mooney
1107c8c0b82SPatrick Mooney if (vst->index >= 0 && statidx < vst->nelems)
1117c8c0b82SPatrick Mooney stats[vst->index + statidx] += x;
1127c8c0b82SPatrick Mooney #endif
1137c8c0b82SPatrick Mooney }
1147c8c0b82SPatrick Mooney
1157c8c0b82SPatrick Mooney static __inline void
vmm_stat_array_set(struct vm * vm,int vcpu,struct vmm_stat_type * vst,int statidx,uint64_t val)1167c8c0b82SPatrick Mooney vmm_stat_array_set(struct vm *vm, int vcpu, struct vmm_stat_type *vst,
1177c8c0b82SPatrick Mooney int statidx, uint64_t val)
1187c8c0b82SPatrick Mooney {
1197c8c0b82SPatrick Mooney #ifdef VMM_KEEP_STATS
1207c8c0b82SPatrick Mooney uint64_t *stats;
1217c8c0b82SPatrick Mooney
1227c8c0b82SPatrick Mooney stats = vcpu_stats(vm, vcpu);
1237c8c0b82SPatrick Mooney
1247c8c0b82SPatrick Mooney if (vst->index >= 0 && statidx < vst->nelems)
1257c8c0b82SPatrick Mooney stats[vst->index + statidx] = val;
1267c8c0b82SPatrick Mooney #endif
1277c8c0b82SPatrick Mooney }
1287c8c0b82SPatrick Mooney
1297c8c0b82SPatrick Mooney static __inline void
vmm_stat_incr(struct vm * vm,int vcpu,struct vmm_stat_type * vst,uint64_t x)1307c8c0b82SPatrick Mooney vmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x)
1317c8c0b82SPatrick Mooney {
1327c8c0b82SPatrick Mooney
1337c8c0b82SPatrick Mooney #ifdef VMM_KEEP_STATS
1347c8c0b82SPatrick Mooney vmm_stat_array_incr(vm, vcpu, vst, 0, x);
1357c8c0b82SPatrick Mooney #endif
1367c8c0b82SPatrick Mooney }
1377c8c0b82SPatrick Mooney
1387c8c0b82SPatrick Mooney static __inline void
vmm_stat_set(struct vm * vm,int vcpu,struct vmm_stat_type * vst,uint64_t val)1397c8c0b82SPatrick Mooney vmm_stat_set(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t val)
1407c8c0b82SPatrick Mooney {
1417c8c0b82SPatrick Mooney
1427c8c0b82SPatrick Mooney #ifdef VMM_KEEP_STATS
1437c8c0b82SPatrick Mooney vmm_stat_array_set(vm, vcpu, vst, 0, val);
1447c8c0b82SPatrick Mooney #endif
1457c8c0b82SPatrick Mooney }
1467c8c0b82SPatrick Mooney
1477c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VCPU_MIGRATIONS);
1487c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_COUNT);
1497c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_EXTINT);
1507c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_HLT);
1517c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_CR_ACCESS);
1527c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_RDMSR);
1537c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_WRMSR);
1547c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_MTRAP);
1557c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_PAUSE);
1567c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_INTR_WINDOW);
1577c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_NMI_WINDOW);
1587c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_INOUT);
1597c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_CPUID);
1607c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_NESTED_FAULT);
1617c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_MMIO_EMUL);
1627c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_UNKNOWN);
1637c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_ASTPENDING);
1647c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_EXCEPTION);
1657c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_REQIDLE);
1667c8c0b82SPatrick Mooney VMM_STAT_DECLARE(VMEXIT_RUN_STATE);
1677c8c0b82SPatrick Mooney #endif
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