diff --git a/usr.sbin/bhyve/Makefile b/usr.sbin/bhyve/Makefile
index 30ecf56ae748..ef78b149c68c 100644
--- a/usr.sbin/bhyve/Makefile
+++ b/usr.sbin/bhyve/Makefile
@@ -1,132 +1,131 @@
#
#
.include <src.opts.mk>
PROG= bhyve
PACKAGE= bhyve
MAN= bhyve.8 bhyve_config.5
BHYVE_SYSDIR?=${SRCTOP}
.PATH: ${.CURDIR}/${MACHINE_CPUARCH} \
${SRCTOP}/sys/libkern \
${SRCTOP}/sys/cam/ctl
SRCS= \
acpi.c \
acpi_device.c \
audio.c \
basl.c \
bhyvegc.c \
bhyverun.c \
block_if.c \
bootrom.c \
config.c \
console.c \
crc16.c \
ctl_scsi_all.c \
ctl_util.c \
gdb.c \
hda_codec.c \
inout.c \
ioapic.c \
iov.c \
mem.c \
mevent.c \
net_backends.c \
net_utils.c \
pci_ahci.c \
pci_e82545.c \
pci_emul.c \
pci_fbuf.c \
pci_gvt-d.c \
pci_hda.c \
pci_hostbridge.c \
pci_irq.c \
pci_lpc.c \
pci_nvme.c \
pci_passthru.c \
pci_uart.c \
pci_virtio_9p.c \
pci_virtio_block.c \
pci_virtio_console.c \
pci_virtio_input.c \
pci_virtio_net.c \
pci_virtio_rnd.c \
pci_virtio_scsi.c \
pci_xhci.c \
pctestdev.c \
pm.c \
qemu_fwcfg.c \
qemu_loader.c \
rfb.c \
- rtc.c \
smbiostbl.c \
sockstream.c \
spinup_ap.c \
tpm_device.c \
tpm_emul_passthru.c \
tpm_intf_crb.c \
tpm_ppi_qemu.c \
uart_emul.c \
usb_emul.c \
usb_mouse.c \
vga.c \
virtio.c \
vmexit.c \
vmgenc.c
.if ${MK_BHYVE_SNAPSHOT} != "no"
SRCS+= snapshot.c
.endif
.include "${MACHINE_CPUARCH}/Makefile.inc"
CFLAGS+=-I${.CURDIR} \
-I${.CURDIR}/../../contrib/lib9p \
-I${SRCTOP}/sys
LIBADD= vmmapi md nv pthread z util sbuf cam 9p
.if ${MK_BHYVE_SNAPSHOT} != "no"
LIBADD+= ucl xo
.endif
.if ${MK_INET_SUPPORT} != "no"
CFLAGS+=-DINET
.endif
.if ${MK_INET6_SUPPORT} != "no"
CFLAGS+=-DINET6
.endif
.if ${MK_NETGRAPH_SUPPORT} != "no"
CFLAGS+=-DNETGRAPH
LIBADD+= netgraph
.endif
.if ${MK_OPENSSL} == "no"
CFLAGS+=-DNO_OPENSSL
.else
LIBADD+= crypto
CFLAGS+=-DOPENSSL_API_COMPAT=0x10100000L
.endif
CFLAGS+= -I${BHYVE_SYSDIR}/sys/dev/e1000
CFLAGS+= -I${BHYVE_SYSDIR}/sys/dev/mii
CFLAGS+= -I${BHYVE_SYSDIR}/sys/dev/usb/controller
.if ${MK_BHYVE_SNAPSHOT} != "no"
CFLAGS+= -I${SRCTOP}/contrib/libucl/include
CFLAGS+= -DBHYVE_SNAPSHOT
.endif
.ifdef GDB_LOG
CFLAGS+=-DGDB_LOG
.endif
# Disable thread safety analysis since it only finds very simple bugs and
# yields many false positives.
NO_WTHREAD_SAFETY=
NO_WCAST_ALIGN=
.include <bsd.prog.mk>
diff --git a/usr.sbin/bhyve/amd64/Makefile.inc b/usr.sbin/bhyve/amd64/Makefile.inc
index d655708210ce..a18b98a157ec 100644
--- a/usr.sbin/bhyve/amd64/Makefile.inc
+++ b/usr.sbin/bhyve/amd64/Makefile.inc
@@ -1,18 +1,19 @@
SRCS+= \
atkbdc.c \
e820.c \
fwctl.c \
kernemu_dev.c \
mptbl.c \
post.c \
ps2kbd.c \
ps2mouse.c \
+ rtc.c \
task_switch.c \
xmsr.c
.PATH: ${BHYVE_SYSDIR}/sys/amd64/vmm
SRCS+= vmm_instruction_emul.c
CFLAGS.kernemu_dev.c+= -I${SRCTOP}/sys/amd64
SUBDIR+= kbdlayout
diff --git a/usr.sbin/bhyve/rtc.c b/usr.sbin/bhyve/amd64/rtc.c
similarity index 100%
rename from usr.sbin/bhyve/rtc.c
rename to usr.sbin/bhyve/amd64/rtc.c
diff --git a/usr.sbin/bhyve/rtc.h b/usr.sbin/bhyve/amd64/rtc.h
similarity index 100%
rename from usr.sbin/bhyve/rtc.h
rename to usr.sbin/bhyve/amd64/rtc.h
diff --git a/usr.sbin/bhyve/bhyverun.c b/usr.sbin/bhyve/bhyverun.c
index 005acec77a93..a1ab5bd32fec 100644
--- a/usr.sbin/bhyve/bhyverun.c
+++ b/usr.sbin/bhyve/bhyverun.c
@@ -1,1203 +1,1209 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2011 NetApp, Inc.
* All rights reserved.
*
* 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 NETAPP, INC ``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 NETAPP, INC 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 <sys/cdefs.h>
#include <sys/types.h>
#ifndef WITHOUT_CAPSICUM
#include <sys/capsicum.h>
#endif
#include <sys/mman.h>
#ifdef BHYVE_SNAPSHOT
#include <sys/socket.h>
#include <sys/stat.h>
#endif
#include <sys/time.h>
#ifdef BHYVE_SNAPSHOT
#include <sys/un.h>
#endif
#include <machine/atomic.h>
#ifndef WITHOUT_CAPSICUM
#include <capsicum_helpers.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include <errno.h>
#ifdef BHYVE_SNAPSHOT
#include <fcntl.h>
#endif
#include <libgen.h>
#include <unistd.h>
#include <assert.h>
#include <pthread.h>
#include <pthread_np.h>
#include <sysexits.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef BHYVE_SNAPSHOT
#include <ucl.h>
#include <unistd.h>
#include <libxo/xo.h>
#endif
#include <vmmapi.h>
#include "bhyverun.h"
#include "acpi.h"
#ifdef __amd64__
#include "amd64/atkbdc.h"
#endif
#include "bootrom.h"
#include "config.h"
#include "inout.h"
#include "debug.h"
#ifdef __amd64__
#include "amd64/e820.h"
#include "amd64/fwctl.h"
#endif
#include "gdb.h"
#include "ioapic.h"
#ifdef __amd64__
#include "amd64/kernemu_dev.h"
#endif
#include "mem.h"
#include "mevent.h"
#ifdef __amd64__
#include "amd64/mptbl.h"
#endif
#include "pci_emul.h"
#include "pci_irq.h"
#include "pci_lpc.h"
#include "qemu_fwcfg.h"
#include "smbiostbl.h"
#ifdef BHYVE_SNAPSHOT
#include "snapshot.h"
#endif
#include "tpm_device.h"
-#include "rtc.h"
+#ifdef __amd64__
+#include "amd64/rtc.h"
+#endif
#include "vmgenc.h"
#include "vmexit.h"
#ifdef __amd64__
#include "amd64/xmsr.h"
#endif
#define MB (1024UL * 1024)
#define GB (1024UL * MB)
int guest_ncpus;
uint16_t cpu_cores, cpu_sockets, cpu_threads;
int raw_stdio = 0;
static char *progname;
static const int BSP = 0;
static cpuset_t cpumask;
static void vm_loop(struct vmctx *ctx, struct vcpu *vcpu);
static struct vcpu_info {
struct vmctx *ctx;
struct vcpu *vcpu;
int vcpuid;
} *vcpu_info;
static cpuset_t **vcpumap;
static void
usage(int code)
{
fprintf(stderr,
"Usage: %s [-AaCDeHhPSuWwxY]\n"
" %*s [-c [[cpus=]numcpus][,sockets=n][,cores=n][,threads=n]]\n"
" %*s [-G port] [-k config_file] [-l lpc] [-m mem] [-o var=value]\n"
" %*s [-p vcpu:hostcpu] [-r file] [-s pci] [-U uuid] vmname\n"
" -A: create ACPI tables\n"
" -a: local apic is in xAPIC mode (deprecated)\n"
" -C: include guest memory in core file\n"
" -c: number of CPUs and/or topology specification\n"
" -D: destroy on power-off\n"
" -e: exit on unhandled I/O access\n"
" -G: start a debug server\n"
" -H: vmexit from the guest on HLT\n"
" -h: help\n"
" -k: key=value flat config file\n"
" -K: PS2 keyboard layout\n"
" -l: LPC device configuration\n"
" -m: memory size\n"
" -o: set config 'var' to 'value'\n"
" -P: vmexit from the guest on pause\n"
" -p: pin 'vcpu' to 'hostcpu'\n"
#ifdef BHYVE_SNAPSHOT
" -r: path to checkpoint file\n"
#endif
" -S: guest memory cannot be swapped\n"
" -s: <slot,driver,configinfo> PCI slot config\n"
" -U: UUID\n"
" -u: RTC keeps UTC time\n"
" -W: force virtio to use single-vector MSI\n"
" -w: ignore unimplemented MSRs\n"
" -x: local APIC is in x2APIC mode\n"
" -Y: disable MPtable generation\n",
progname, (int)strlen(progname), "", (int)strlen(progname), "",
(int)strlen(progname), "");
exit(code);
}
/*
* XXX This parser is known to have the following issues:
* 1. It accepts null key=value tokens ",," as setting "cpus" to an
* empty string.
*
* The acceptance of a null specification ('-c ""') is by design to match the
* manual page syntax specification, this results in a topology of 1 vCPU.
*/
static int
topology_parse(const char *opt)
{
char *cp, *str, *tofree;
if (*opt == '\0') {
set_config_value("sockets", "1");
set_config_value("cores", "1");
set_config_value("threads", "1");
set_config_value("cpus", "1");
return (0);
}
tofree = str = strdup(opt);
if (str == NULL)
errx(4, "Failed to allocate memory");
while ((cp = strsep(&str, ",")) != NULL) {
if (strncmp(cp, "cpus=", strlen("cpus=")) == 0)
set_config_value("cpus", cp + strlen("cpus="));
else if (strncmp(cp, "sockets=", strlen("sockets=")) == 0)
set_config_value("sockets", cp + strlen("sockets="));
else if (strncmp(cp, "cores=", strlen("cores=")) == 0)
set_config_value("cores", cp + strlen("cores="));
else if (strncmp(cp, "threads=", strlen("threads=")) == 0)
set_config_value("threads", cp + strlen("threads="));
else if (strchr(cp, '=') != NULL)
goto out;
else
set_config_value("cpus", cp);
}
free(tofree);
return (0);
out:
free(tofree);
return (-1);
}
static int
parse_int_value(const char *key, const char *value, int minval, int maxval)
{
char *cp;
long lval;
errno = 0;
lval = strtol(value, &cp, 0);
if (errno != 0 || *cp != '\0' || cp == value || lval < minval ||
lval > maxval)
errx(4, "Invalid value for %s: '%s'", key, value);
return (lval);
}
/*
* Set the sockets, cores, threads, and guest_cpus variables based on
* the configured topology.
*
* The limits of UINT16_MAX are due to the types passed to
* vm_set_topology(). vmm.ko may enforce tighter limits.
*/
static void
calc_topology(void)
{
const char *value;
bool explicit_cpus;
uint64_t ncpus;
value = get_config_value("cpus");
if (value != NULL) {
guest_ncpus = parse_int_value("cpus", value, 1, UINT16_MAX);
explicit_cpus = true;
} else {
guest_ncpus = 1;
explicit_cpus = false;
}
value = get_config_value("cores");
if (value != NULL)
cpu_cores = parse_int_value("cores", value, 1, UINT16_MAX);
else
cpu_cores = 1;
value = get_config_value("threads");
if (value != NULL)
cpu_threads = parse_int_value("threads", value, 1, UINT16_MAX);
else
cpu_threads = 1;
value = get_config_value("sockets");
if (value != NULL)
cpu_sockets = parse_int_value("sockets", value, 1, UINT16_MAX);
else
cpu_sockets = guest_ncpus;
/*
* Compute sockets * cores * threads avoiding overflow. The
* range check above insures these are 16 bit values.
*/
ncpus = (uint64_t)cpu_sockets * cpu_cores * cpu_threads;
if (ncpus > UINT16_MAX)
errx(4, "Computed number of vCPUs too high: %ju",
(uintmax_t)ncpus);
if (explicit_cpus) {
if (guest_ncpus != (int)ncpus)
errx(4, "Topology (%d sockets, %d cores, %d threads) "
"does not match %d vCPUs",
cpu_sockets, cpu_cores, cpu_threads,
guest_ncpus);
} else
guest_ncpus = ncpus;
}
static int
pincpu_parse(const char *opt)
{
const char *value;
char *newval;
char key[16];
int vcpu, pcpu;
if (sscanf(opt, "%d:%d", &vcpu, &pcpu) != 2) {
fprintf(stderr, "invalid format: %s\n", opt);
return (-1);
}
if (vcpu < 0) {
fprintf(stderr, "invalid vcpu '%d'\n", vcpu);
return (-1);
}
if (pcpu < 0 || pcpu >= CPU_SETSIZE) {
fprintf(stderr, "hostcpu '%d' outside valid range from "
"0 to %d\n", pcpu, CPU_SETSIZE - 1);
return (-1);
}
snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu);
value = get_config_value(key);
if (asprintf(&newval, "%s%s%d", value != NULL ? value : "",
value != NULL ? "," : "", pcpu) == -1) {
perror("failed to build new cpuset string");
return (-1);
}
set_config_value(key, newval);
free(newval);
return (0);
}
static void
parse_cpuset(int vcpu, const char *list, cpuset_t *set)
{
char *cp, *token;
int pcpu, start;
CPU_ZERO(set);
start = -1;
token = __DECONST(char *, list);
for (;;) {
pcpu = strtoul(token, &cp, 0);
if (cp == token)
errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list);
if (pcpu < 0 || pcpu >= CPU_SETSIZE)
errx(4, "hostcpu '%d' outside valid range from 0 to %d",
pcpu, CPU_SETSIZE - 1);
switch (*cp) {
case ',':
case '\0':
if (start >= 0) {
if (start > pcpu)
errx(4, "Invalid hostcpu range %d-%d",
start, pcpu);
while (start < pcpu) {
CPU_SET(start, set);
start++;
}
start = -1;
}
CPU_SET(pcpu, set);
break;
case '-':
if (start >= 0)
errx(4, "invalid cpuset for vcpu %d: '%s'",
vcpu, list);
start = pcpu;
break;
default:
errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list);
}
if (*cp == '\0')
break;
token = cp + 1;
}
}
static void
build_vcpumaps(void)
{
char key[16];
const char *value;
int vcpu;
vcpumap = calloc(guest_ncpus, sizeof(*vcpumap));
for (vcpu = 0; vcpu < guest_ncpus; vcpu++) {
snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu);
value = get_config_value(key);
if (value == NULL)
continue;
vcpumap[vcpu] = malloc(sizeof(cpuset_t));
if (vcpumap[vcpu] == NULL)
err(4, "Failed to allocate cpuset for vcpu %d", vcpu);
parse_cpuset(vcpu, value, vcpumap[vcpu]);
}
}
void
vm_inject_fault(struct vcpu *vcpu, int vector, int errcode_valid,
int errcode)
{
int error, restart_instruction;
restart_instruction = 1;
error = vm_inject_exception(vcpu, vector, errcode_valid, errcode,
restart_instruction);
assert(error == 0);
}
void *
paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len)
{
return (vm_map_gpa(ctx, gaddr, len));
}
#ifdef BHYVE_SNAPSHOT
uintptr_t
paddr_host2guest(struct vmctx *ctx, void *addr)
{
return (vm_rev_map_gpa(ctx, addr));
}
#endif
int
fbsdrun_virtio_msix(void)
{
return (get_config_bool_default("virtio_msix", true));
}
struct vcpu *
fbsdrun_vcpu(int vcpuid)
{
return (vcpu_info[vcpuid].vcpu);
}
static void *
fbsdrun_start_thread(void *param)
{
char tname[MAXCOMLEN + 1];
struct vcpu_info *vi = param;
int error;
snprintf(tname, sizeof(tname), "vcpu %d", vi->vcpuid);
pthread_set_name_np(pthread_self(), tname);
if (vcpumap[vi->vcpuid] != NULL) {
error = pthread_setaffinity_np(pthread_self(),
sizeof(cpuset_t), vcpumap[vi->vcpuid]);
assert(error == 0);
}
#ifdef BHYVE_SNAPSHOT
checkpoint_cpu_add(vi->vcpuid);
#endif
gdb_cpu_add(vi->vcpu);
vm_loop(vi->ctx, vi->vcpu);
/* not reached */
exit(1);
return (NULL);
}
static void
fbsdrun_addcpu(struct vcpu_info *vi)
{
pthread_t thr;
int error;
error = vm_activate_cpu(vi->vcpu);
if (error != 0)
err(EX_OSERR, "could not activate CPU %d", vi->vcpuid);
CPU_SET_ATOMIC(vi->vcpuid, &cpumask);
vm_suspend_cpu(vi->vcpu);
error = pthread_create(&thr, NULL, fbsdrun_start_thread, vi);
assert(error == 0);
}
void
fbsdrun_deletecpu(int vcpu)
{
static pthread_mutex_t resetcpu_mtx = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t resetcpu_cond = PTHREAD_COND_INITIALIZER;
pthread_mutex_lock(&resetcpu_mtx);
if (!CPU_ISSET(vcpu, &cpumask)) {
fprintf(stderr, "Attempting to delete unknown cpu %d\n", vcpu);
exit(4);
}
CPU_CLR(vcpu, &cpumask);
if (vcpu != BSP) {
pthread_cond_signal(&resetcpu_cond);
pthread_mutex_unlock(&resetcpu_mtx);
pthread_exit(NULL);
/* NOTREACHED */
}
while (!CPU_EMPTY(&cpumask)) {
pthread_cond_wait(&resetcpu_cond, &resetcpu_mtx);
}
pthread_mutex_unlock(&resetcpu_mtx);
}
int
fbsdrun_suspendcpu(int vcpuid)
{
return (vm_suspend_cpu(vcpu_info[vcpuid].vcpu));
}
static void
vm_loop(struct vmctx *ctx, struct vcpu *vcpu)
{
struct vm_exit vme;
struct vm_run vmrun;
int error, rc;
enum vm_exitcode exitcode;
cpuset_t active_cpus, dmask;
error = vm_active_cpus(ctx, &active_cpus);
assert(CPU_ISSET(vcpu_id(vcpu), &active_cpus));
vmrun.vm_exit = &vme;
vmrun.cpuset = &dmask;
vmrun.cpusetsize = sizeof(dmask);
while (1) {
error = vm_run(vcpu, &vmrun);
if (error != 0)
break;
exitcode = vme.exitcode;
if (exitcode >= VM_EXITCODE_MAX ||
vmexit_handlers[exitcode] == NULL) {
warnx("vm_loop: unexpected exitcode 0x%x", exitcode);
exit(4);
}
rc = (*vmexit_handlers[exitcode])(ctx, vcpu, &vmrun);
switch (rc) {
case VMEXIT_CONTINUE:
break;
case VMEXIT_ABORT:
abort();
default:
exit(4);
}
}
fprintf(stderr, "vm_run error %d, errno %d\n", error, errno);
}
static int
num_vcpus_allowed(struct vmctx *ctx, struct vcpu *vcpu)
{
uint16_t sockets, cores, threads, maxcpus;
int tmp, error;
/*
* The guest is allowed to spinup more than one processor only if the
* UNRESTRICTED_GUEST capability is available.
*/
error = vm_get_capability(vcpu, VM_CAP_UNRESTRICTED_GUEST, &tmp);
if (error != 0)
return (1);
error = vm_get_topology(ctx, &sockets, &cores, &threads, &maxcpus);
if (error == 0)
return (maxcpus);
else
return (1);
}
static void
fbsdrun_set_capabilities(struct vcpu *vcpu)
{
int err, tmp;
if (get_config_bool_default("x86.vmexit_on_hlt", false)) {
err = vm_get_capability(vcpu, VM_CAP_HALT_EXIT, &tmp);
if (err < 0) {
fprintf(stderr, "VM exit on HLT not supported\n");
exit(4);
}
vm_set_capability(vcpu, VM_CAP_HALT_EXIT, 1);
}
if (get_config_bool_default("x86.vmexit_on_pause", false)) {
/*
* pause exit support required for this mode
*/
err = vm_get_capability(vcpu, VM_CAP_PAUSE_EXIT, &tmp);
if (err < 0) {
fprintf(stderr,
"SMP mux requested, no pause support\n");
exit(4);
}
vm_set_capability(vcpu, VM_CAP_PAUSE_EXIT, 1);
}
if (get_config_bool_default("x86.x2apic", false))
err = vm_set_x2apic_state(vcpu, X2APIC_ENABLED);
else
err = vm_set_x2apic_state(vcpu, X2APIC_DISABLED);
if (err) {
fprintf(stderr, "Unable to set x2apic state (%d)\n", err);
exit(4);
}
vm_set_capability(vcpu, VM_CAP_ENABLE_INVPCID, 1);
err = vm_set_capability(vcpu, VM_CAP_IPI_EXIT, 1);
assert(err == 0);
}
static struct vmctx *
do_open(const char *vmname)
{
struct vmctx *ctx;
int error;
bool reinit, romboot;
reinit = romboot = false;
if (lpc_bootrom())
romboot = true;
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);
}
static void
spinup_vcpu(struct vcpu_info *vi, bool bsp)
{
int error;
if (!bsp) {
fbsdrun_set_capabilities(vi->vcpu);
/*
* Enable the 'unrestricted guest' mode for APs.
*
* APs startup in power-on 16-bit mode.
*/
error = vm_set_capability(vi->vcpu, VM_CAP_UNRESTRICTED_GUEST, 1);
assert(error == 0);
}
fbsdrun_addcpu(vi);
}
static bool
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);
return (true);
}
static void
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 (!parse_config_option(line))
errx(4, "%s line %u: invalid config option '%s'", path,
lineno, line);
}
free(line);
fclose(fp);
}
static void
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);
}
static void
set_defaults(void)
{
set_config_bool("acpi_tables", false);
set_config_bool("acpi_tables_in_memory", true);
set_config_value("memory.size", "256M");
set_config_bool("x86.strictmsr", true);
set_config_value("lpc.fwcfg", "bhyve");
}
int
main(int argc, char *argv[])
{
int c, error;
int max_vcpus, memflags;
struct vcpu *bsp;
struct vmctx *ctx;
size_t memsize;
const char *optstr, *value, *vmname;
#ifdef BHYVE_SNAPSHOT
char *restore_file;
struct restore_state rstate;
restore_file = NULL;
#endif
init_config();
set_defaults();
progname = basename(argv[0]);
#ifdef BHYVE_SNAPSHOT
optstr = "aehuwxACDHIPSWYk:f:o:p:G:c:s:m:l:K:U:r:";
#else
optstr = "aehuwxACDHIPSWYk:f:o:p:G:c:s:m:l:K:U:";
#endif
while ((c = getopt(argc, argv, optstr)) != -1) {
switch (c) {
case 'a':
set_config_bool("x86.x2apic", false);
break;
case 'A':
set_config_bool("acpi_tables", true);
break;
case 'D':
set_config_bool("destroy_on_poweroff", true);
break;
case 'p':
if (pincpu_parse(optarg) != 0) {
errx(EX_USAGE, "invalid vcpu pinning "
"configuration '%s'", optarg);
}
break;
case 'c':
if (topology_parse(optarg) != 0) {
errx(EX_USAGE, "invalid cpu topology "
"'%s'", optarg);
}
break;
case 'C':
set_config_bool("memory.guest_in_core", true);
break;
case 'f':
if (qemu_fwcfg_parse_cmdline_arg(optarg) != 0) {
errx(EX_USAGE, "invalid fwcfg item '%s'", optarg);
}
break;
case 'G':
parse_gdb_options(optarg);
break;
case 'k':
parse_simple_config_file(optarg);
break;
case 'K':
set_config_value("keyboard.layout", optarg);
break;
case 'l':
if (strncmp(optarg, "help", strlen(optarg)) == 0) {
lpc_print_supported_devices();
exit(0);
} else if (lpc_device_parse(optarg) != 0) {
errx(EX_USAGE, "invalid lpc device "
"configuration '%s'", optarg);
}
break;
#ifdef BHYVE_SNAPSHOT
case 'r':
restore_file = optarg;
break;
#endif
case 's':
if (strncmp(optarg, "help", strlen(optarg)) == 0) {
pci_print_supported_devices();
exit(0);
} else if (pci_parse_slot(optarg) != 0)
exit(4);
else
break;
case 'S':
set_config_bool("memory.wired", true);
break;
case 'm':
set_config_value("memory.size", optarg);
break;
case 'o':
if (!parse_config_option(optarg))
errx(EX_USAGE, "invalid configuration option '%s'", optarg);
break;
case 'H':
set_config_bool("x86.vmexit_on_hlt", true);
break;
case 'I':
/*
* The "-I" option was used to add an ioapic to the
* virtual machine.
*
* An ioapic is now provided unconditionally for each
* virtual machine and this option is now deprecated.
*/
break;
case 'P':
set_config_bool("x86.vmexit_on_pause", true);
break;
case 'e':
set_config_bool("x86.strictio", true);
break;
+#ifdef __amd64__
case 'u':
set_config_bool("rtc.use_localtime", false);
break;
+#endif
case 'U':
set_config_value("uuid", optarg);
break;
case 'w':
set_config_bool("x86.strictmsr", false);
break;
case 'W':
set_config_bool("virtio_msix", false);
break;
case 'x':
set_config_bool("x86.x2apic", true);
break;
#ifdef __amd64__
case 'Y':
set_config_bool("x86.mptable", false);
break;
#endif
case 'h':
usage(0);
default:
usage(1);
}
}
argc -= optind;
argv += optind;
if (argc > 1)
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)
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);
}
fbsdrun_set_capabilities(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);
}
#ifdef __amd64__
error = init_msr();
if (error) {
fprintf(stderr, "init_msr error %d", error);
exit(4);
}
#endif
init_mem(guest_ncpus);
init_inout();
#ifdef __amd64__
kernemu_dev_init();
#endif
init_bootrom(ctx);
#ifdef __amd64__
atkbdc_init(ctx);
#endif
pci_irq_init(ctx);
ioapic_init(ctx);
+#ifdef __amd64__
rtc_init(ctx);
+#endif
sci_init(ctx);
if (qemu_fwcfg_init(ctx) != 0) {
fprintf(stderr, "qemu fwcfg initialization error");
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");
exit(4);
}
#ifdef __amd64__
if (e820_init(ctx) != 0) {
fprintf(stderr, "Unable to setup E820");
exit(4);
}
#endif
/*
* Exit if a device emulation finds an error in its initialization
*/
if (init_pci(ctx) != 0) {
perror("device emulation initialization error");
exit(4);
}
if (init_tpm(ctx) != 0) {
fprintf(stderr, "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);
init_gdb(ctx);
if (lpc_bootrom()) {
if (vm_set_capability(bsp, VM_CAP_UNRESTRICTED_GUEST, 1)) {
fprintf(stderr, "ROM boot failed: unrestricted guest "
"capability not available\n");
exit(4);
}
error = vcpu_reset(bsp);
assert(error == 0);
}
/*
* Add all vCPUs.
*/
for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++)
spinup_vcpu(&vcpu_info[vcpuid], vcpuid == BSP);
#ifdef BHYVE_SNAPSHOT
if (restore_file != NULL) {
fprintf(stdout, "Pausing pci devs...\r\n");
if (vm_pause_devices() != 0) {
fprintf(stderr, "Failed to pause PCI device state.\n");
exit(1);
}
fprintf(stdout, "Restoring vm mem...\r\n");
if (restore_vm_mem(ctx, &rstate) != 0) {
fprintf(stderr, "Failed to restore VM memory.\n");
exit(1);
}
fprintf(stdout, "Restoring pci devs...\r\n");
if (vm_restore_devices(&rstate) != 0) {
fprintf(stderr, "Failed to restore PCI device state.\n");
exit(1);
}
fprintf(stdout, "Restoring kernel structs...\r\n");
if (vm_restore_kern_structs(ctx, &rstate) != 0) {
fprintf(stderr, "Failed to restore kernel structs.\n");
exit(1);
}
fprintf(stdout, "Resuming pci devs...\r\n");
if (vm_resume_devices() != 0) {
fprintf(stderr, "Failed to resume PCI device state.\n");
exit(1);
}
}
#endif
#ifdef __amd64__
if (get_config_bool_default("x86.mptable", true)) {
error = mptable_build(ctx, guest_ncpus);
if (error) {
perror("error to build the guest tables");
exit(4);
}
}
#endif
error = smbios_build(ctx);
if (error != 0)
exit(4);
if (get_config_bool("acpi_tables")) {
error = acpi_build(ctx, guest_ncpus);
assert(error == 0);
}
#ifdef __amd64__
error = e820_finalize();
if (error != 0)
exit(4);
#endif
#ifdef __amd64__
if (lpc_bootrom() && strcmp(lpc_fwcfg(), "bhyve") == 0) {
fwctl_init();
}
#endif
/*
* Change the proc title to include the VM name.
*/
setproctitle("%s", vmname);
#ifdef BHYVE_SNAPSHOT
/* initialize mutex/cond variables */
init_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);
}