nvmmctl.c revision 1.1.2.2
1 1.1.2.2 martin /* $NetBSD: nvmmctl.c,v 1.1.2.2 2019/11/10 12:58:29 martin Exp $ */ 2 1.1.2.2 martin 3 1.1.2.2 martin /* 4 1.1.2.2 martin * Copyright (c) 2019 The NetBSD Foundation, Inc. 5 1.1.2.2 martin * All rights reserved. 6 1.1.2.2 martin * 7 1.1.2.2 martin * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 martin * by Maxime Villard. 9 1.1.2.2 martin * 10 1.1.2.2 martin * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 martin * modification, are permitted provided that the following conditions 12 1.1.2.2 martin * are met: 13 1.1.2.2 martin * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 martin * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 martin * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 martin * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 martin * documentation and/or other materials provided with the distribution. 18 1.1.2.2 martin * 19 1.1.2.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 martin * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 martin */ 31 1.1.2.2 martin 32 1.1.2.2 martin #include <sys/cdefs.h> 33 1.1.2.2 martin #ifndef lint 34 1.1.2.2 martin __RCSID("$NetBSD: nvmmctl.c,v 1.1.2.2 2019/11/10 12:58:29 martin Exp $"); 35 1.1.2.2 martin #endif /* not lint */ 36 1.1.2.2 martin 37 1.1.2.2 martin #include <sys/param.h> 38 1.1.2.2 martin 39 1.1.2.2 martin #include <err.h> 40 1.1.2.2 martin #include <errno.h> 41 1.1.2.2 martin #include <fcntl.h> 42 1.1.2.2 martin #include <stdio.h> 43 1.1.2.2 martin #include <stdlib.h> 44 1.1.2.2 martin #include <stdarg.h> 45 1.1.2.2 martin #include <stdbool.h> 46 1.1.2.2 martin #include <string.h> 47 1.1.2.2 martin #include <unistd.h> 48 1.1.2.2 martin #include <time.h> 49 1.1.2.2 martin #include <util.h> 50 1.1.2.2 martin #include <nvmm.h> 51 1.1.2.2 martin 52 1.1.2.2 martin #include <x86/specialreg.h> 53 1.1.2.2 martin 54 1.1.2.2 martin __dead static void usage(void); 55 1.1.2.2 martin static void nvmm_identify(char **); 56 1.1.2.2 martin static void nvmm_list(char **); 57 1.1.2.2 martin 58 1.1.2.2 martin static struct cmdtab { 59 1.1.2.2 martin const char *label; 60 1.1.2.2 martin bool takesargs; 61 1.1.2.2 martin bool argsoptional; 62 1.1.2.2 martin void (*func)(char **); 63 1.1.2.2 martin } const nvmm_cmdtab[] = { 64 1.1.2.2 martin { "identify", false, false, nvmm_identify }, 65 1.1.2.2 martin { "list", false, false, nvmm_list }, 66 1.1.2.2 martin { NULL, false, false, NULL }, 67 1.1.2.2 martin }; 68 1.1.2.2 martin 69 1.1.2.2 martin static struct nvmm_capability cap; 70 1.1.2.2 martin 71 1.1.2.2 martin int 72 1.1.2.2 martin main(int argc, char **argv) 73 1.1.2.2 martin { 74 1.1.2.2 martin const struct cmdtab *ct; 75 1.1.2.2 martin 76 1.1.2.2 martin argc -= 1; 77 1.1.2.2 martin argv += 1; 78 1.1.2.2 martin if (argc < 1) 79 1.1.2.2 martin usage(); 80 1.1.2.2 martin 81 1.1.2.2 martin for (ct = nvmm_cmdtab; ct->label != NULL; ct++) { 82 1.1.2.2 martin if (strcmp(argv[0], ct->label) == 0) { 83 1.1.2.2 martin if (!ct->argsoptional && 84 1.1.2.2 martin ((ct->takesargs == 0) ^ (argv[1] == NULL))) 85 1.1.2.2 martin { 86 1.1.2.2 martin usage(); 87 1.1.2.2 martin } 88 1.1.2.2 martin (*ct->func)(argv + 1); 89 1.1.2.2 martin break; 90 1.1.2.2 martin } 91 1.1.2.2 martin } 92 1.1.2.2 martin 93 1.1.2.2 martin if (ct->label == NULL) 94 1.1.2.2 martin errx(EXIT_FAILURE, "unknown command ``%s''", argv[0]); 95 1.1.2.2 martin 96 1.1.2.2 martin exit(EXIT_SUCCESS); 97 1.1.2.2 martin /* NOTREACHED */ 98 1.1.2.2 martin } 99 1.1.2.2 martin 100 1.1.2.2 martin static void 101 1.1.2.2 martin usage(void) 102 1.1.2.2 martin { 103 1.1.2.2 martin const char *progname = getprogname(); 104 1.1.2.2 martin 105 1.1.2.2 martin fprintf(stderr, "usage: %s identify\n", progname); 106 1.1.2.2 martin fprintf(stderr, " %s list\n", progname); 107 1.1.2.2 martin exit(EXIT_FAILURE); 108 1.1.2.2 martin /* NOTREACHED */ 109 1.1.2.2 martin } 110 1.1.2.2 martin 111 1.1.2.2 martin #define MACH_CONF_FLAGS "\20" 112 1.1.2.2 martin #define VCPU_CONF_FLAGS "\20" "\1" "CPUID" "\2" "TPR" 113 1.1.2.2 martin 114 1.1.2.2 martin static void 115 1.1.2.2 martin nvmm_identify(char **argv) 116 1.1.2.2 martin { 117 1.1.2.2 martin char buf[256], ram[4+1]; 118 1.1.2.2 martin 119 1.1.2.2 martin if (nvmm_init() == -1) 120 1.1.2.2 martin err(EXIT_FAILURE, "nvmm_init failed"); 121 1.1.2.2 martin if (nvmm_capability(&cap) == -1) 122 1.1.2.2 martin err(EXIT_FAILURE, "nvmm_capability failed"); 123 1.1.2.2 martin 124 1.1.2.2 martin printf("nvmm: Kernel API version %u\n", cap.version); 125 1.1.2.2 martin printf("nvmm: State size %u\n", cap.state_size); 126 1.1.2.2 martin printf("nvmm: Max machines %u\n", cap.max_machines); 127 1.1.2.2 martin printf("nvmm: Max VCPUs per machine %u\n", cap.max_vcpus); 128 1.1.2.2 martin 129 1.1.2.2 martin if (humanize_number(ram, sizeof(ram), cap.max_ram, NULL, HN_AUTOSCALE, 130 1.1.2.2 martin (HN_DECIMAL | HN_B | HN_NOSPACE)) == -1) 131 1.1.2.2 martin err(EXIT_FAILURE, "humanize_number"); 132 1.1.2.2 martin printf("nvmm: Max RAM per machine %s\n", ram); 133 1.1.2.2 martin 134 1.1.2.2 martin snprintb(buf, sizeof(buf), MACH_CONF_FLAGS, cap.arch.mach_conf_support); 135 1.1.2.2 martin printf("nvmm: Arch Mach conf %s\n", buf); 136 1.1.2.2 martin 137 1.1.2.2 martin snprintb(buf, sizeof(buf), VCPU_CONF_FLAGS, cap.arch.vcpu_conf_support); 138 1.1.2.2 martin printf("nvmm: Arch VCPU conf %s\n", buf); 139 1.1.2.2 martin 140 1.1.2.2 martin snprintb(buf, sizeof(buf), XCR0_FLAGS1, cap.arch.xcr0_mask); 141 1.1.2.2 martin printf("nvmm: Guest FPU states %s\n", buf); 142 1.1.2.2 martin } 143 1.1.2.2 martin 144 1.1.2.2 martin static void 145 1.1.2.2 martin nvmm_list(char **argv) 146 1.1.2.2 martin { 147 1.1.2.2 martin struct nvmm_ctl_mach_info machinfo; 148 1.1.2.2 martin char ram[4+1], *ts; 149 1.1.2.2 martin size_t i; 150 1.1.2.2 martin int ret; 151 1.1.2.2 martin 152 1.1.2.2 martin if (nvmm_root_init() == -1) 153 1.1.2.2 martin err(EXIT_FAILURE, "nvmm_root_init failed"); 154 1.1.2.2 martin if (nvmm_capability(&cap) == -1) 155 1.1.2.2 martin err(EXIT_FAILURE, "nvmm_capability failed"); 156 1.1.2.2 martin 157 1.1.2.2 martin printf( 158 1.1.2.2 martin "Machine ID VCPUs RAM Owner PID Creation Time \n" 159 1.1.2.2 martin "---------- ----- ---- --------- ------------------------\n"); 160 1.1.2.2 martin 161 1.1.2.2 martin for (i = 0; i < cap.max_machines; i++) { 162 1.1.2.2 martin machinfo.machid = i; 163 1.1.2.2 martin ret = nvmm_ctl(NVMM_CTL_MACH_INFO, &machinfo, sizeof(machinfo)); 164 1.1.2.2 martin if (ret == -1) { 165 1.1.2.2 martin if (errno == ENOENT) 166 1.1.2.2 martin continue; 167 1.1.2.2 martin err(EXIT_FAILURE, "nvmm_ctl failed"); 168 1.1.2.2 martin } 169 1.1.2.2 martin 170 1.1.2.2 martin ts = asctime(localtime(&machinfo.time)); 171 1.1.2.2 martin ts[strlen(ts) - 1] = '\0'; 172 1.1.2.2 martin 173 1.1.2.2 martin if (humanize_number(ram, sizeof(ram), machinfo.nram, NULL, 174 1.1.2.2 martin HN_AUTOSCALE, (HN_DECIMAL | HN_B | HN_NOSPACE)) == -1) 175 1.1.2.2 martin err(EXIT_FAILURE, "humanize_number"); 176 1.1.2.2 martin 177 1.1.2.2 martin printf("%-10zu %-5u %-4s %-9d %s\n", i, machinfo.nvcpus, ram, 178 1.1.2.2 martin machinfo.pid, ts); 179 1.1.2.2 martin } 180 1.1.2.2 martin } 181
Indexes created Thu Oct 23 18:09:57 GMT 2025