/* $NetBSD: nvmmctl.c,v 1.1.2.2 2019/11/10 12:58:29 martin Exp $ */ /* * Copyright (c) 2019 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Maxime Villard. * * 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. */ #include #ifndef lint __RCSID("$NetBSD: nvmmctl.c,v 1.1.2.2 2019/11/10 12:58:29 martin Exp $"); #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include __dead static void usage(void); static void nvmm_identify(char **); static void nvmm_list(char **); static struct cmdtab { const char *label; bool takesargs; bool argsoptional; void (*func)(char **); } const nvmm_cmdtab[] = { { "identify", false, false, nvmm_identify }, { "list", false, false, nvmm_list }, { NULL, false, false, NULL }, }; static struct nvmm_capability cap; int main(int argc, char **argv) { const struct cmdtab *ct; argc -= 1; argv += 1; if (argc < 1) usage(); for (ct = nvmm_cmdtab; ct->label != NULL; ct++) { if (strcmp(argv[0], ct->label) == 0) { if (!ct->argsoptional && ((ct->takesargs == 0) ^ (argv[1] == NULL))) { usage(); } (*ct->func)(argv + 1); break; } } if (ct->label == NULL) errx(EXIT_FAILURE, "unknown command ``%s''", argv[0]); exit(EXIT_SUCCESS); /* NOTREACHED */ } static void usage(void) { const char *progname = getprogname(); fprintf(stderr, "usage: %s identify\n", progname); fprintf(stderr, " %s list\n", progname); exit(EXIT_FAILURE); /* NOTREACHED */ } #define MACH_CONF_FLAGS "\20" #define VCPU_CONF_FLAGS "\20" "\1" "CPUID" "\2" "TPR" static void nvmm_identify(char **argv) { char buf[256], ram[4+1]; if (nvmm_init() == -1) err(EXIT_FAILURE, "nvmm_init failed"); if (nvmm_capability(&cap) == -1) err(EXIT_FAILURE, "nvmm_capability failed"); printf("nvmm: Kernel API version %u\n", cap.version); printf("nvmm: State size %u\n", cap.state_size); printf("nvmm: Max machines %u\n", cap.max_machines); printf("nvmm: Max VCPUs per machine %u\n", cap.max_vcpus); if (humanize_number(ram, sizeof(ram), cap.max_ram, NULL, HN_AUTOSCALE, (HN_DECIMAL | HN_B | HN_NOSPACE)) == -1) err(EXIT_FAILURE, "humanize_number"); printf("nvmm: Max RAM per machine %s\n", ram); snprintb(buf, sizeof(buf), MACH_CONF_FLAGS, cap.arch.mach_conf_support); printf("nvmm: Arch Mach conf %s\n", buf); snprintb(buf, sizeof(buf), VCPU_CONF_FLAGS, cap.arch.vcpu_conf_support); printf("nvmm: Arch VCPU conf %s\n", buf); snprintb(buf, sizeof(buf), XCR0_FLAGS1, cap.arch.xcr0_mask); printf("nvmm: Guest FPU states %s\n", buf); } static void nvmm_list(char **argv) { struct nvmm_ctl_mach_info machinfo; char ram[4+1], *ts; size_t i; int ret; if (nvmm_root_init() == -1) err(EXIT_FAILURE, "nvmm_root_init failed"); if (nvmm_capability(&cap) == -1) err(EXIT_FAILURE, "nvmm_capability failed"); printf( "Machine ID VCPUs RAM Owner PID Creation Time \n" "---------- ----- ---- --------- ------------------------\n"); for (i = 0; i < cap.max_machines; i++) { machinfo.machid = i; ret = nvmm_ctl(NVMM_CTL_MACH_INFO, &machinfo, sizeof(machinfo)); if (ret == -1) { if (errno == ENOENT) continue; err(EXIT_FAILURE, "nvmm_ctl failed"); } ts = asctime(localtime(&machinfo.time)); ts[strlen(ts) - 1] = '\0'; if (humanize_number(ram, sizeof(ram), machinfo.nram, NULL, HN_AUTOSCALE, (HN_DECIMAL | HN_B | HN_NOSPACE)) == -1) err(EXIT_FAILURE, "humanize_number"); printf("%-10zu %-5u %-4s %-9d %s\n", i, machinfo.nvcpus, ram, machinfo.pid, ts); } }