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![Pierre Pronchery](/assets/img/avatar_default.png)
In bhyve_parse_config_option(), a string is allocated and passed to nvlist_add_string() but not free'd afterwards. Reported by: Coverity CID: 1544049 Sponsored by: The FreeBSD Foundation Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1234
882 lines
19 KiB
C
882 lines
19 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#ifndef WITHOUT_CAPSICUM
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#include <sys/capsicum.h>
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#endif
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#include <sys/mman.h>
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#ifdef BHYVE_SNAPSHOT
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#include <sys/socket.h>
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#include <sys/stat.h>
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#endif
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#include <sys/time.h>
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#ifdef BHYVE_SNAPSHOT
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#include <sys/un.h>
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#endif
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#include <machine/atomic.h>
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#ifndef WITHOUT_CAPSICUM
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#include <capsicum_helpers.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <err.h>
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#include <errno.h>
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#ifdef BHYVE_SNAPSHOT
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#include <fcntl.h>
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#endif
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#include <libgen.h>
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#include <unistd.h>
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#include <assert.h>
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#include <pthread.h>
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#include <pthread_np.h>
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#include <sysexits.h>
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef BHYVE_SNAPSHOT
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#include <ucl.h>
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#include <unistd.h>
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#include <libxo/xo.h>
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#endif
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#include <vmmapi.h>
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#include "acpi.h"
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#include "bhyverun.h"
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#include "bootrom.h"
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#include "config.h"
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#include "debug.h"
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#ifdef BHYVE_GDB
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#include "gdb.h"
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#endif
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#include "mem.h"
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#include "mevent.h"
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#include "pci_emul.h"
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#ifdef __amd64__
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#include "amd64/pci_lpc.h"
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#endif
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#include "qemu_fwcfg.h"
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#ifdef BHYVE_SNAPSHOT
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#include "snapshot.h"
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#endif
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#include "tpm_device.h"
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#include "vmgenc.h"
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#include "vmexit.h"
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#define MB (1024UL * 1024)
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#define GB (1024UL * MB)
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int guest_ncpus;
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uint16_t cpu_cores, cpu_sockets, cpu_threads;
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int raw_stdio = 0;
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#ifdef BHYVE_SNAPSHOT
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char *restore_file;
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#endif
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static const int BSP = 0;
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static cpuset_t cpumask;
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static void vm_loop(struct vmctx *ctx, struct vcpu *vcpu);
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static struct vcpu_info {
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struct vmctx *ctx;
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struct vcpu *vcpu;
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int vcpuid;
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} *vcpu_info;
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static cpuset_t **vcpumap;
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/*
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* XXX This parser is known to have the following issues:
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* 1. It accepts null key=value tokens ",," as setting "cpus" to an
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* empty string.
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*
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* The acceptance of a null specification ('-c ""') is by design to match the
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* manual page syntax specification, this results in a topology of 1 vCPU.
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*/
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int
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bhyve_topology_parse(const char *opt)
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{
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char *cp, *str, *tofree;
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if (*opt == '\0') {
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set_config_value("sockets", "1");
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set_config_value("cores", "1");
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set_config_value("threads", "1");
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set_config_value("cpus", "1");
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return (0);
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}
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tofree = str = strdup(opt);
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if (str == NULL)
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errx(4, "Failed to allocate memory");
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while ((cp = strsep(&str, ",")) != NULL) {
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if (strncmp(cp, "cpus=", strlen("cpus=")) == 0)
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set_config_value("cpus", cp + strlen("cpus="));
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else if (strncmp(cp, "sockets=", strlen("sockets=")) == 0)
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set_config_value("sockets", cp + strlen("sockets="));
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else if (strncmp(cp, "cores=", strlen("cores=")) == 0)
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set_config_value("cores", cp + strlen("cores="));
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else if (strncmp(cp, "threads=", strlen("threads=")) == 0)
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set_config_value("threads", cp + strlen("threads="));
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else if (strchr(cp, '=') != NULL)
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goto out;
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else
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set_config_value("cpus", cp);
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}
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free(tofree);
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return (0);
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out:
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free(tofree);
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return (-1);
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}
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static int
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parse_int_value(const char *key, const char *value, int minval, int maxval)
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{
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char *cp;
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long lval;
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errno = 0;
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lval = strtol(value, &cp, 0);
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if (errno != 0 || *cp != '\0' || cp == value || lval < minval ||
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lval > maxval)
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errx(4, "Invalid value for %s: '%s'", key, value);
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return (lval);
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}
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/*
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* Set the sockets, cores, threads, and guest_cpus variables based on
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* the configured topology.
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*
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* The limits of UINT16_MAX are due to the types passed to
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* vm_set_topology(). vmm.ko may enforce tighter limits.
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*/
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static void
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calc_topology(void)
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{
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const char *value;
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bool explicit_cpus;
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uint64_t ncpus;
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value = get_config_value("cpus");
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if (value != NULL) {
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guest_ncpus = parse_int_value("cpus", value, 1, UINT16_MAX);
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explicit_cpus = true;
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} else {
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guest_ncpus = 1;
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explicit_cpus = false;
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}
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value = get_config_value("cores");
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if (value != NULL)
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cpu_cores = parse_int_value("cores", value, 1, UINT16_MAX);
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else
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cpu_cores = 1;
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value = get_config_value("threads");
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if (value != NULL)
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cpu_threads = parse_int_value("threads", value, 1, UINT16_MAX);
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else
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cpu_threads = 1;
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value = get_config_value("sockets");
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if (value != NULL)
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cpu_sockets = parse_int_value("sockets", value, 1, UINT16_MAX);
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else
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cpu_sockets = guest_ncpus;
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/*
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* Compute sockets * cores * threads avoiding overflow. The
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* range check above insures these are 16 bit values.
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*/
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ncpus = (uint64_t)cpu_sockets * cpu_cores * cpu_threads;
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if (ncpus > UINT16_MAX)
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errx(4, "Computed number of vCPUs too high: %ju",
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(uintmax_t)ncpus);
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if (explicit_cpus) {
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if (guest_ncpus != (int)ncpus)
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errx(4, "Topology (%d sockets, %d cores, %d threads) "
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"does not match %d vCPUs",
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cpu_sockets, cpu_cores, cpu_threads,
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guest_ncpus);
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} else
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guest_ncpus = ncpus;
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}
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int
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bhyve_pincpu_parse(const char *opt)
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{
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const char *value;
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char *newval;
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char key[16];
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int vcpu, pcpu;
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if (sscanf(opt, "%d:%d", &vcpu, &pcpu) != 2) {
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fprintf(stderr, "invalid format: %s\n", opt);
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return (-1);
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}
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if (vcpu < 0) {
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fprintf(stderr, "invalid vcpu '%d'\n", vcpu);
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return (-1);
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}
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if (pcpu < 0 || pcpu >= CPU_SETSIZE) {
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fprintf(stderr, "hostcpu '%d' outside valid range from "
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"0 to %d\n", pcpu, CPU_SETSIZE - 1);
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return (-1);
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}
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snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu);
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value = get_config_value(key);
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if (asprintf(&newval, "%s%s%d", value != NULL ? value : "",
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value != NULL ? "," : "", pcpu) == -1) {
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perror("failed to build new cpuset string");
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return (-1);
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}
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set_config_value(key, newval);
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free(newval);
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return (0);
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}
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static void
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parse_cpuset(int vcpu, const char *list, cpuset_t *set)
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{
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char *cp, *token;
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int pcpu, start;
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CPU_ZERO(set);
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start = -1;
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token = __DECONST(char *, list);
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for (;;) {
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pcpu = strtoul(token, &cp, 0);
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if (cp == token)
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errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list);
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if (pcpu < 0 || pcpu >= CPU_SETSIZE)
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errx(4, "hostcpu '%d' outside valid range from 0 to %d",
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pcpu, CPU_SETSIZE - 1);
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switch (*cp) {
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case ',':
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case '\0':
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if (start >= 0) {
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if (start > pcpu)
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errx(4, "Invalid hostcpu range %d-%d",
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start, pcpu);
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while (start < pcpu) {
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CPU_SET(start, set);
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start++;
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}
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start = -1;
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}
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CPU_SET(pcpu, set);
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break;
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case '-':
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if (start >= 0)
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errx(4, "invalid cpuset for vcpu %d: '%s'",
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vcpu, list);
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start = pcpu;
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break;
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default:
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errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list);
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}
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if (*cp == '\0')
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break;
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token = cp + 1;
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}
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}
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static void
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build_vcpumaps(void)
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{
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char key[16];
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const char *value;
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int vcpu;
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vcpumap = calloc(guest_ncpus, sizeof(*vcpumap));
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for (vcpu = 0; vcpu < guest_ncpus; vcpu++) {
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snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu);
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value = get_config_value(key);
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if (value == NULL)
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continue;
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vcpumap[vcpu] = malloc(sizeof(cpuset_t));
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if (vcpumap[vcpu] == NULL)
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err(4, "Failed to allocate cpuset for vcpu %d", vcpu);
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parse_cpuset(vcpu, value, vcpumap[vcpu]);
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}
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}
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void *
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paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len)
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{
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return (vm_map_gpa(ctx, gaddr, len));
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}
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#ifdef BHYVE_SNAPSHOT
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uintptr_t
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paddr_host2guest(struct vmctx *ctx, void *addr)
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{
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return (vm_rev_map_gpa(ctx, addr));
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}
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#endif
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int
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fbsdrun_virtio_msix(void)
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{
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return (get_config_bool_default("virtio_msix", true));
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}
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struct vcpu *
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fbsdrun_vcpu(int vcpuid)
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{
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return (vcpu_info[vcpuid].vcpu);
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}
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static void *
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fbsdrun_start_thread(void *param)
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{
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char tname[MAXCOMLEN + 1];
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struct vcpu_info *vi = param;
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int error;
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snprintf(tname, sizeof(tname), "vcpu %d", vi->vcpuid);
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pthread_set_name_np(pthread_self(), tname);
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if (vcpumap[vi->vcpuid] != NULL) {
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error = pthread_setaffinity_np(pthread_self(),
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sizeof(cpuset_t), vcpumap[vi->vcpuid]);
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assert(error == 0);
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}
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#ifdef BHYVE_SNAPSHOT
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checkpoint_cpu_add(vi->vcpuid);
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#endif
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#ifdef BHYVE_GDB
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gdb_cpu_add(vi->vcpu);
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#endif
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vm_loop(vi->ctx, vi->vcpu);
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/* not reached */
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exit(1);
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return (NULL);
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}
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void
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fbsdrun_addcpu(int vcpuid)
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{
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struct vcpu_info *vi;
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pthread_t thr;
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int error;
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vi = &vcpu_info[vcpuid];
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error = vm_activate_cpu(vi->vcpu);
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if (error != 0)
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err(EX_OSERR, "could not activate CPU %d", vi->vcpuid);
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CPU_SET_ATOMIC(vcpuid, &cpumask);
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vm_suspend_cpu(vi->vcpu);
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error = pthread_create(&thr, NULL, fbsdrun_start_thread, vi);
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assert(error == 0);
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}
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void
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fbsdrun_deletecpu(int vcpu)
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{
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static pthread_mutex_t resetcpu_mtx = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t resetcpu_cond = PTHREAD_COND_INITIALIZER;
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pthread_mutex_lock(&resetcpu_mtx);
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if (!CPU_ISSET(vcpu, &cpumask)) {
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EPRINTLN("Attempting to delete unknown cpu %d", vcpu);
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exit(4);
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}
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CPU_CLR(vcpu, &cpumask);
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if (vcpu != BSP) {
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pthread_cond_signal(&resetcpu_cond);
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pthread_mutex_unlock(&resetcpu_mtx);
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pthread_exit(NULL);
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/* NOTREACHED */
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}
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while (!CPU_EMPTY(&cpumask)) {
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pthread_cond_wait(&resetcpu_cond, &resetcpu_mtx);
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}
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pthread_mutex_unlock(&resetcpu_mtx);
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}
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int
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fbsdrun_suspendcpu(int vcpuid)
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{
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return (vm_suspend_cpu(vcpu_info[vcpuid].vcpu));
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}
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static void
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vm_loop(struct vmctx *ctx, struct vcpu *vcpu)
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{
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struct vm_exit vme;
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struct vm_run vmrun;
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int error, rc;
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enum vm_exitcode exitcode;
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cpuset_t active_cpus, dmask;
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error = vm_active_cpus(ctx, &active_cpus);
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assert(CPU_ISSET(vcpu_id(vcpu), &active_cpus));
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vmrun.vm_exit = &vme;
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vmrun.cpuset = &dmask;
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vmrun.cpusetsize = sizeof(dmask);
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while (1) {
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error = vm_run(vcpu, &vmrun);
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if (error != 0)
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break;
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exitcode = vme.exitcode;
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if (exitcode >= VM_EXITCODE_MAX ||
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vmexit_handlers[exitcode] == NULL) {
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warnx("vm_loop: unexpected exitcode 0x%x", exitcode);
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exit(4);
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}
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rc = (*vmexit_handlers[exitcode])(ctx, vcpu, &vmrun);
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switch (rc) {
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case VMEXIT_CONTINUE:
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break;
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case VMEXIT_ABORT:
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abort();
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default:
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exit(4);
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}
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}
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EPRINTLN("vm_run error %d, errno %d", error, errno);
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}
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static int
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num_vcpus_allowed(struct vmctx *ctx, struct vcpu *vcpu)
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{
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uint16_t sockets, cores, threads, maxcpus;
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int tmp, error;
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/*
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* The guest is allowed to spinup more than one processor only if the
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* UNRESTRICTED_GUEST capability is available.
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*/
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error = vm_get_capability(vcpu, VM_CAP_UNRESTRICTED_GUEST, &tmp);
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if (error != 0)
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return (1);
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error = vm_get_topology(ctx, &sockets, &cores, &threads, &maxcpus);
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if (error == 0)
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return (maxcpus);
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else
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return (1);
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}
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static struct vmctx *
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do_open(const char *vmname)
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{
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struct vmctx *ctx;
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int error;
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bool reinit, romboot;
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reinit = false;
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#ifdef __amd64__
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|
romboot = lpc_bootrom() != NULL;
|
|
#else
|
|
romboot = true;
|
|
#endif
|
|
|
|
error = vm_create(vmname);
|
|
if (error) {
|
|
if (errno == EEXIST) {
|
|
if (romboot) {
|
|
reinit = true;
|
|
} else {
|
|
/*
|
|
* The virtual machine has been setup by the
|
|
* userspace bootloader.
|
|
*/
|
|
}
|
|
} else {
|
|
perror("vm_create");
|
|
exit(4);
|
|
}
|
|
} else {
|
|
if (!romboot) {
|
|
/*
|
|
* If the virtual machine was just created then a
|
|
* bootrom must be configured to boot it.
|
|
*/
|
|
fprintf(stderr, "virtual machine cannot be booted\n");
|
|
exit(4);
|
|
}
|
|
}
|
|
|
|
ctx = vm_open(vmname);
|
|
if (ctx == NULL) {
|
|
perror("vm_open");
|
|
exit(4);
|
|
}
|
|
|
|
#ifndef WITHOUT_CAPSICUM
|
|
if (vm_limit_rights(ctx) != 0)
|
|
err(EX_OSERR, "vm_limit_rights");
|
|
#endif
|
|
|
|
if (reinit) {
|
|
error = vm_reinit(ctx);
|
|
if (error) {
|
|
perror("vm_reinit");
|
|
exit(4);
|
|
}
|
|
}
|
|
error = vm_set_topology(ctx, cpu_sockets, cpu_cores, cpu_threads, 0);
|
|
if (error)
|
|
errx(EX_OSERR, "vm_set_topology");
|
|
return (ctx);
|
|
}
|
|
|
|
bool
|
|
bhyve_parse_config_option(const char *option)
|
|
{
|
|
const char *value;
|
|
char *path;
|
|
|
|
value = strchr(option, '=');
|
|
if (value == NULL || value[1] == '\0')
|
|
return (false);
|
|
path = strndup(option, value - option);
|
|
if (path == NULL)
|
|
err(4, "Failed to allocate memory");
|
|
set_config_value(path, value + 1);
|
|
free(path);
|
|
return (true);
|
|
}
|
|
|
|
void
|
|
bhyve_parse_simple_config_file(const char *path)
|
|
{
|
|
FILE *fp;
|
|
char *line, *cp;
|
|
size_t linecap;
|
|
unsigned int lineno;
|
|
|
|
fp = fopen(path, "r");
|
|
if (fp == NULL)
|
|
err(4, "Failed to open configuration file %s", path);
|
|
line = NULL;
|
|
linecap = 0;
|
|
lineno = 1;
|
|
for (lineno = 1; getline(&line, &linecap, fp) > 0; lineno++) {
|
|
if (*line == '#' || *line == '\n')
|
|
continue;
|
|
cp = strchr(line, '\n');
|
|
if (cp != NULL)
|
|
*cp = '\0';
|
|
if (!bhyve_parse_config_option(line))
|
|
errx(4, "%s line %u: invalid config option '%s'", path,
|
|
lineno, line);
|
|
}
|
|
free(line);
|
|
fclose(fp);
|
|
}
|
|
|
|
#ifdef BHYVE_GDB
|
|
void
|
|
bhyve_parse_gdb_options(const char *opt)
|
|
{
|
|
const char *sport;
|
|
char *colon;
|
|
|
|
if (opt[0] == 'w') {
|
|
set_config_bool("gdb.wait", true);
|
|
opt++;
|
|
}
|
|
|
|
colon = strrchr(opt, ':');
|
|
if (colon == NULL) {
|
|
sport = opt;
|
|
} else {
|
|
*colon = '\0';
|
|
colon++;
|
|
sport = colon;
|
|
set_config_value("gdb.address", opt);
|
|
}
|
|
|
|
set_config_value("gdb.port", sport);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int error;
|
|
int max_vcpus, memflags;
|
|
struct vcpu *bsp;
|
|
struct vmctx *ctx;
|
|
size_t memsize;
|
|
const char *value, *vmname;
|
|
#ifdef BHYVE_SNAPSHOT
|
|
struct restore_state rstate;
|
|
#endif
|
|
|
|
bhyve_init_config();
|
|
bhyve_optparse(argc, argv);
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 1)
|
|
bhyve_usage(1);
|
|
|
|
#ifdef BHYVE_SNAPSHOT
|
|
if (restore_file != NULL) {
|
|
error = load_restore_file(restore_file, &rstate);
|
|
if (error) {
|
|
fprintf(stderr, "Failed to read checkpoint info from "
|
|
"file: '%s'.\n", restore_file);
|
|
exit(1);
|
|
}
|
|
vmname = lookup_vmname(&rstate);
|
|
if (vmname != NULL)
|
|
set_config_value("name", vmname);
|
|
}
|
|
#endif
|
|
|
|
if (argc == 1)
|
|
set_config_value("name", argv[0]);
|
|
|
|
vmname = get_config_value("name");
|
|
if (vmname == NULL)
|
|
bhyve_usage(1);
|
|
|
|
if (get_config_bool_default("config.dump", false)) {
|
|
dump_config();
|
|
exit(1);
|
|
}
|
|
|
|
calc_topology();
|
|
build_vcpumaps();
|
|
|
|
value = get_config_value("memory.size");
|
|
error = vm_parse_memsize(value, &memsize);
|
|
if (error)
|
|
errx(EX_USAGE, "invalid memsize '%s'", value);
|
|
|
|
ctx = do_open(vmname);
|
|
|
|
#ifdef BHYVE_SNAPSHOT
|
|
if (restore_file != NULL) {
|
|
guest_ncpus = lookup_guest_ncpus(&rstate);
|
|
memflags = lookup_memflags(&rstate);
|
|
memsize = lookup_memsize(&rstate);
|
|
}
|
|
|
|
if (guest_ncpus < 1) {
|
|
fprintf(stderr, "Invalid guest vCPUs (%d)\n", guest_ncpus);
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
bsp = vm_vcpu_open(ctx, BSP);
|
|
max_vcpus = num_vcpus_allowed(ctx, bsp);
|
|
if (guest_ncpus > max_vcpus) {
|
|
fprintf(stderr, "%d vCPUs requested but only %d available\n",
|
|
guest_ncpus, max_vcpus);
|
|
exit(4);
|
|
}
|
|
|
|
bhyve_init_vcpu(bsp);
|
|
|
|
/* Allocate per-VCPU resources. */
|
|
vcpu_info = calloc(guest_ncpus, sizeof(*vcpu_info));
|
|
for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++) {
|
|
vcpu_info[vcpuid].ctx = ctx;
|
|
vcpu_info[vcpuid].vcpuid = vcpuid;
|
|
if (vcpuid == BSP)
|
|
vcpu_info[vcpuid].vcpu = bsp;
|
|
else
|
|
vcpu_info[vcpuid].vcpu = vm_vcpu_open(ctx, vcpuid);
|
|
}
|
|
|
|
memflags = 0;
|
|
if (get_config_bool_default("memory.wired", false))
|
|
memflags |= VM_MEM_F_WIRED;
|
|
if (get_config_bool_default("memory.guest_in_core", false))
|
|
memflags |= VM_MEM_F_INCORE;
|
|
vm_set_memflags(ctx, memflags);
|
|
error = vm_setup_memory(ctx, memsize, VM_MMAP_ALL);
|
|
if (error) {
|
|
fprintf(stderr, "Unable to setup memory (%d)\n", errno);
|
|
exit(4);
|
|
}
|
|
|
|
init_mem(guest_ncpus);
|
|
init_bootrom(ctx);
|
|
if (bhyve_init_platform(ctx, bsp) != 0)
|
|
exit(4);
|
|
|
|
if (qemu_fwcfg_init(ctx) != 0) {
|
|
fprintf(stderr, "qemu fwcfg initialization error\n");
|
|
exit(4);
|
|
}
|
|
|
|
if (qemu_fwcfg_add_file("opt/bhyve/hw.ncpu", sizeof(guest_ncpus),
|
|
&guest_ncpus) != 0) {
|
|
fprintf(stderr, "Could not add qemu fwcfg opt/bhyve/hw.ncpu\n");
|
|
exit(4);
|
|
}
|
|
|
|
/*
|
|
* Exit if a device emulation finds an error in its initialization
|
|
*/
|
|
if (init_pci(ctx) != 0) {
|
|
EPRINTLN("Device emulation initialization error: %s",
|
|
strerror(errno));
|
|
exit(4);
|
|
}
|
|
if (init_tpm(ctx) != 0) {
|
|
EPRINTLN("Failed to init TPM device");
|
|
exit(4);
|
|
}
|
|
|
|
/*
|
|
* Initialize after PCI, to allow a bootrom file to reserve the high
|
|
* region.
|
|
*/
|
|
if (get_config_bool("acpi_tables"))
|
|
vmgenc_init(ctx);
|
|
|
|
#ifdef BHYVE_GDB
|
|
init_gdb(ctx);
|
|
#endif
|
|
|
|
/*
|
|
* Add all vCPUs.
|
|
*/
|
|
for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++)
|
|
bhyve_start_vcpu(vcpu_info[vcpuid].vcpu, vcpuid == BSP);
|
|
|
|
#ifdef BHYVE_SNAPSHOT
|
|
if (restore_file != NULL) {
|
|
FPRINTLN(stdout, "Pausing pci devs...");
|
|
if (vm_pause_devices() != 0) {
|
|
EPRINTLN("Failed to pause PCI device state.");
|
|
exit(1);
|
|
}
|
|
|
|
FPRINTLN(stdout, "Restoring vm mem...");
|
|
if (restore_vm_mem(ctx, &rstate) != 0) {
|
|
EPRINTLN("Failed to restore VM memory.");
|
|
exit(1);
|
|
}
|
|
|
|
FPRINTLN(stdout, "Restoring pci devs...");
|
|
if (vm_restore_devices(&rstate) != 0) {
|
|
EPRINTLN("Failed to restore PCI device state.");
|
|
exit(1);
|
|
}
|
|
|
|
FPRINTLN(stdout, "Restoring kernel structs...");
|
|
if (vm_restore_kern_structs(ctx, &rstate) != 0) {
|
|
EPRINTLN("Failed to restore kernel structs.");
|
|
exit(1);
|
|
}
|
|
|
|
FPRINTLN(stdout, "Resuming pci devs...");
|
|
if (vm_resume_devices() != 0) {
|
|
EPRINTLN("Failed to resume PCI device state.");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (bhyve_init_platform_late(ctx, bsp) != 0)
|
|
exit(4);
|
|
|
|
/*
|
|
* Change the proc title to include the VM name.
|
|
*/
|
|
setproctitle("%s", vmname);
|
|
|
|
#ifdef BHYVE_SNAPSHOT
|
|
/*
|
|
* checkpointing thread for communication with bhyvectl
|
|
*/
|
|
if (init_checkpoint_thread(ctx) != 0)
|
|
errx(EX_OSERR, "Failed to start checkpoint thread");
|
|
#endif
|
|
|
|
#ifndef WITHOUT_CAPSICUM
|
|
caph_cache_catpages();
|
|
|
|
if (caph_limit_stdout() == -1 || caph_limit_stderr() == -1)
|
|
errx(EX_OSERR, "Unable to apply rights for sandbox");
|
|
|
|
if (caph_enter() == -1)
|
|
errx(EX_OSERR, "cap_enter() failed");
|
|
#endif
|
|
|
|
#ifdef BHYVE_SNAPSHOT
|
|
if (restore_file != NULL) {
|
|
destroy_restore_state(&rstate);
|
|
if (vm_restore_time(ctx) < 0)
|
|
err(EX_OSERR, "Unable to restore time");
|
|
|
|
for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++)
|
|
vm_resume_cpu(vcpu_info[vcpuid].vcpu);
|
|
} else
|
|
#endif
|
|
vm_resume_cpu(bsp);
|
|
|
|
/*
|
|
* Head off to the main event dispatch loop
|
|
*/
|
|
mevent_dispatch();
|
|
|
|
exit(4);
|
|
}
|