# Put the all: rule here so that config-host.mak can contain dependencies.
all:
include config-host.mak
+
+ # Check that we're not trying to do an out-of-tree build from
+ # a tree that's been used for an in-tree build.
+ ifneq ($(realpath $(SRC_PATH)),$(realpath .))
+ ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
+ $(error This is an out of tree build but your source tree ($(SRC_PATH)) \
+ seems to have been used for an in-tree build. You can fix this by running \
+ "make distclean && rm -rf *-linux-user *-softmmu" in your source tree)
+ endif
+ endif
+
include $(SRC_PATH)/rules.mak
config-host.mak: $(SRC_PATH)/configure
@echo $@ is out-of-date, running configure
qemu-img.o: qemu-img-cmds.h
tools-obj-y = $(oslib-obj-y) $(trace-obj-y) qemu-tool.o qemu-timer.o \
- qemu-timer-common.o main-loop.o notify.o \
- iohandler.o cutils.o iov.o async.o error.o
+ main-loop.o iohandler.o error.o
tools-obj-$(CONFIG_POSIX) += compatfd.o
qemu-img$(EXESUF): qemu-img.o $(tools-obj-y) $(block-obj-y)
qemu-bridge-helper$(EXESUF): qemu-bridge-helper.o
-vscclient$(EXESUF): $(libcacard-y) $(oslib-obj-y) $(trace-obj-y) $(tools-obj-y) qemu-timer-common.o libcacard/vscclient.o
+vscclient$(EXESUF): $(libcacard-y) $(oslib-obj-y) $(trace-obj-y) libcacard/vscclient.o
$(call quiet-command,$(CC) $(LDFLAGS) -o $@ $^ $(libcacard_libs) $(LIBS)," LINK $@")
fsdev/virtfs-proxy-helper$(EXESUF): fsdev/virtfs-proxy-helper.o fsdev/virtio-9p-marshal.o oslib-posix.o $(trace-obj-y)
QGALIB_GEN=$(addprefix qga/qapi-generated/, qga-qapi-types.h qga-qapi-visit.h qga-qmp-commands.h)
$(qga-obj-y) qemu-ga.o: $(QGALIB_GEN)
-qemu-ga$(EXESUF): qemu-ga.o $(qga-obj-y) $(tools-obj-y) $(qapi-obj-y) $(qobject-obj-y) $(version-obj-y)
+qemu-ga$(EXESUF): qemu-ga.o $(qga-obj-y) $(oslib-obj-y) $(trace-obj-y) $(qapi-obj-y) $(qobject-obj-y) $(version-obj-y)
QEMULIBS=libuser libdis libdis-user
block-obj-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o qcow2-cache.o
block-obj-y += qed.o qed-gencb.o qed-l2-cache.o qed-table.o qed-cluster.o
block-obj-y += qed-check.o
-block-obj-y += parallels.o nbd.o blkdebug.o sheepdog.o blkverify.o
-block-obj-$(CONFIG_WIN32) += raw-win32.o
+block-obj-y += parallels.o blkdebug.o blkverify.o
+block-obj-$(CONFIG_WIN32) += raw-win32.o win32-aio.o
block-obj-$(CONFIG_POSIX) += raw-posix.o
+block-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
+
+ifeq ($(CONFIG_POSIX),y)
+block-obj-y += nbd.o sheepdog.o
block-obj-$(CONFIG_LIBISCSI) += iscsi.o
block-obj-$(CONFIG_CURL) += curl.o
block-obj-$(CONFIG_RBD) += rbd.o
block-obj-$(CONFIG_GLUSTERFS) += gluster.o
+endif
common-obj-y += stream.o
common-obj-y += commit.o
+ common-obj-y += mirror.o
}
}
+ unsigned iov_copy(struct iovec *dst_iov, unsigned int dst_iov_cnt,
+ const struct iovec *iov, unsigned int iov_cnt,
+ size_t offset, size_t bytes)
+ {
+ size_t len;
+ unsigned int i, j;
+ for (i = 0, j = 0; i < iov_cnt && j < dst_iov_cnt && bytes; i++) {
+ if (offset >= iov[i].iov_len) {
+ offset -= iov[i].iov_len;
+ continue;
+ }
+ len = MIN(bytes, iov[i].iov_len - offset);
+
+ dst_iov[j].iov_base = iov[i].iov_base + offset;
+ dst_iov[j].iov_len = len;
+ j++;
+ bytes -= len;
+ offset = 0;
+ }
+ assert(offset == 0);
+ return j;
+ }
++
+/* io vectors */
+
+void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint)
+{
+ qiov->iov = g_malloc(alloc_hint * sizeof(struct iovec));
+ qiov->niov = 0;
+ qiov->nalloc = alloc_hint;
+ qiov->size = 0;
+}
+
+void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov)
+{
+ int i;
+
+ qiov->iov = iov;
+ qiov->niov = niov;
+ qiov->nalloc = -1;
+ qiov->size = 0;
+ for (i = 0; i < niov; i++)
+ qiov->size += iov[i].iov_len;
+}
+
+void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len)
+{
+ assert(qiov->nalloc != -1);
+
+ if (qiov->niov == qiov->nalloc) {
+ qiov->nalloc = 2 * qiov->nalloc + 1;
+ qiov->iov = g_realloc(qiov->iov, qiov->nalloc * sizeof(struct iovec));
+ }
+ qiov->iov[qiov->niov].iov_base = base;
+ qiov->iov[qiov->niov].iov_len = len;
+ qiov->size += len;
+ ++qiov->niov;
+}
+
+/*
+ * Concatenates (partial) iovecs from src to the end of dst.
+ * It starts copying after skipping `soffset' bytes at the
+ * beginning of src and adds individual vectors from src to
+ * dst copies up to `sbytes' bytes total, or up to the end
+ * of src if it comes first. This way, it is okay to specify
+ * very large value for `sbytes' to indicate "up to the end
+ * of src".
+ * Only vector pointers are processed, not the actual data buffers.
+ */
+void qemu_iovec_concat(QEMUIOVector *dst,
+ QEMUIOVector *src, size_t soffset, size_t sbytes)
+{
+ int i;
+ size_t done;
+ struct iovec *siov = src->iov;
+ assert(dst->nalloc != -1);
+ assert(src->size >= soffset);
+ for (i = 0, done = 0; done < sbytes && i < src->niov; i++) {
+ if (soffset < siov[i].iov_len) {
+ size_t len = MIN(siov[i].iov_len - soffset, sbytes - done);
+ qemu_iovec_add(dst, siov[i].iov_base + soffset, len);
+ done += len;
+ soffset = 0;
+ } else {
+ soffset -= siov[i].iov_len;
+ }
+ }
+ /* return done; */
+}
+
+void qemu_iovec_destroy(QEMUIOVector *qiov)
+{
+ assert(qiov->nalloc != -1);
+
+ qemu_iovec_reset(qiov);
+ g_free(qiov->iov);
+ qiov->nalloc = 0;
+ qiov->iov = NULL;
+}
+
+void qemu_iovec_reset(QEMUIOVector *qiov)
+{
+ assert(qiov->nalloc != -1);
+
+ qiov->niov = 0;
+ qiov->size = 0;
+}
+
+size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset,
+ void *buf, size_t bytes)
+{
+ return iov_to_buf(qiov->iov, qiov->niov, offset, buf, bytes);
+}
+
+size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,
+ const void *buf, size_t bytes)
+{
+ return iov_from_buf(qiov->iov, qiov->niov, offset, buf, bytes);
+}
+
+size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
+ int fillc, size_t bytes)
+{
+ return iov_memset(qiov->iov, qiov->niov, offset, fillc, bytes);
+}
int ret;
int serrno;
int dup_flags;
- int setfl_flags;
#ifdef F_DUPFD_CLOEXEC
ret = fcntl(fd, F_DUPFD_CLOEXEC, 0);
}
/* Set/unset flags that we can with fcntl */
- setfl_flags = O_APPEND | O_ASYNC | O_NONBLOCK;
- #ifdef O_NOATIME
- setfl_flags |= O_NOATIME;
- #endif
- #ifdef O_DIRECT
- setfl_flags |= O_DIRECT;
- #endif
- dup_flags &= ~setfl_flags;
- dup_flags |= (flags & setfl_flags);
- if (fcntl(ret, F_SETFL, dup_flags) == -1) {
+ if (fcntl(ret, F_SETFL, flags) == -1) {
goto fail;
}
errno = serrno;
return -1;
}
+
+static int qemu_parse_fdset(const char *param)
+{
+ return qemu_parse_fd(param);
+}
#endif
/*
{
return fips_enabled;
}
+
+
+static int default_fdset_get_fd(int64_t fdset_id, int flags)
+{
+ return -1;
+}
+QEMU_WEAK_ALIAS(monitor_fdset_get_fd, default_fdset_get_fd);
+
+static int default_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
+{
+ return -1;
+}
+QEMU_WEAK_ALIAS(monitor_fdset_dup_fd_add, default_fdset_dup_fd_add);
+
+static int default_fdset_dup_fd_remove(int dup_fd)
+{
+ return -1;
+}
+QEMU_WEAK_ALIAS(monitor_fdset_dup_fd_remove, default_fdset_dup_fd_remove);
+
+static int default_fdset_dup_fd_find(int dup_fd)
+{
+ return -1;
+}
+QEMU_WEAK_ALIAS(monitor_fdset_dup_fd_find, default_fdset_dup_fd_find);
void init_clocks(void)
{
- rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
- vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL);
- host_clock = qemu_new_clock(QEMU_CLOCK_HOST);
+ if (!rt_clock) {
+ rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
+ vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL);
+ host_clock = qemu_new_clock(QEMU_CLOCK_HOST);
+ }
}
uint64_t qemu_timer_expire_time_ns(QEMUTimer *ts)
memset(&ev, 0, sizeof(ev));
ev.sigev_value.sival_int = 0;
ev.sigev_notify = SIGEV_SIGNAL;
- #ifdef SIGEV_THREAD_ID
+ #ifdef CONFIG_SIGEV_THREAD_ID
if (qemu_signalfd_available()) {
ev.sigev_notify = SIGEV_THREAD_ID;
ev._sigev_un._tid = qemu_get_thread_id();
}
- #endif /* SIGEV_THREAD_ID */
+ #endif /* CONFIG_SIGEV_THREAD_ID */
ev.sigev_signo = SIGALRM;
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
struct qemu_alarm_timer *t = NULL;
int i, err = -1;
+ if (alarm_timer) {
+ return 0;
+ }
+
for (i = 0; alarm_timers[i].name; i++) {
t = &alarm_timers[i];
void qmp_stop(Error **errp)
{
- vm_stop(RUN_STATE_PAUSED);
+ if (runstate_check(RUN_STATE_INMIGRATE)) {
+ autostart = 0;
+ } else {
+ vm_stop(RUN_STATE_PAUSED);
+ }
}
void qmp_system_reset(Error **errp)
{
Error *local_err = NULL;
- if (runstate_check(RUN_STATE_INMIGRATE)) {
- error_set(errp, QERR_MIGRATION_EXPECTED);
- return;
- } else if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
+ if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN)) {
error_set(errp, QERR_RESET_REQUIRED);
return;
return;
}
- vm_start();
+ if (runstate_check(RUN_STATE_INMIGRATE)) {
+ autostart = 1;
+ } else {
+ vm_start();
+ }
}
void qmp_system_wakeup(Error **errp)
return prop_list;
}
-CpuDefinitionInfoList GCC_WEAK *arch_query_cpu_definitions(Error **errp)
+static CpuDefinitionInfoList *default_arch_query_cpu_definitions(Error **errp)
{
error_set(errp, QERR_NOT_SUPPORTED);
return NULL;
}
+QEMU_WEAK_ALIAS(arch_query_cpu_definitions, default_arch_query_cpu_definitions);
CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
{
commit_one_iteration(void *s, int64_t sector_num, int nb_sectors, int is_allocated) "s %p sector_num %"PRId64" nb_sectors %d is_allocated %d"
commit_start(void *bs, void *base, void *top, void *s, void *co, void *opaque) "bs %p base %p top %p s %p co %p opaque %p"
+ # block/mirror.c
+ mirror_start(void *bs, void *s, void *co, void *opaque) "bs %p s %p co %p opaque %p"
+ mirror_before_flush(void *s) "s %p"
+ mirror_before_drain(void *s, int64_t cnt) "s %p dirty count %"PRId64
+ mirror_before_sleep(void *s, int64_t cnt, int synced) "s %p dirty count %"PRId64" synced %d"
+ mirror_one_iteration(void *s, int64_t sector_num, int nb_sectors) "s %p sector_num %"PRId64" nb_sectors %d"
+
# blockdev.c
qmp_block_job_cancel(void *job) "job %p"
qmp_block_job_pause(void *job) "job %p"
qmp_block_job_resume(void *job) "job %p"
+ qmp_block_job_complete(void *job) "job %p"
block_job_cb(void *bs, void *job, int ret) "bs %p job %p ret %d"
qmp_block_stream(void *bs, void *job) "bs %p job %p"
virtio_blk_handle_write(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu"
virtio_blk_handle_read(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu"
+# thread-pool.c
+thread_pool_submit(void *req, void *opaque) "req %p opaque %p"
+thread_pool_complete(void *req, void *opaque, int ret) "req %p opaque %p ret %d"
+thread_pool_cancel(void *req, void *opaque) "req %p opaque %p"
+
# posix-aio-compat.c
paio_submit(void *acb, void *opaque, int64_t sector_num, int nb_sectors, int type) "acb %p opaque %p sector_num %"PRId64" nb_sectors %d type %d"
paio_complete(void *acb, void *opaque, int ret) "acb %p opaque %p ret %d"
usb_uhci_mmio_readl(uint32_t addr, uint32_t val) "addr 0x%04x, ret 0x%08x"
usb_uhci_mmio_writel(uint32_t addr, uint32_t val) "addr 0x%04x, val 0x%08x"
usb_uhci_queue_add(uint32_t token) "token 0x%x"
- usb_uhci_queue_del(uint32_t token) "token 0x%x"
+ usb_uhci_queue_del(uint32_t token, const char *reason) "token 0x%x: %s"
usb_uhci_packet_add(uint32_t token, uint32_t addr) "token 0x%x, td 0x%x"
usb_uhci_packet_link_async(uint32_t token, uint32_t addr) "token 0x%x, td 0x%x"
usb_uhci_packet_unlink_async(uint32_t token, uint32_t addr) "token 0x%x, td 0x%x"
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
int win2k_install_hack = 0;
- int usb_enabled = 0;
int singlestep = 0;
int smp_cpus = 1;
int max_cpus = 0;
{ RUN_STATE_DEBUG, RUN_STATE_RUNNING },
{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
- { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
+ { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
return 0;
}
+ /*********QEMU USB setting******/
+ bool usb_enabled(bool default_usb)
+ {
+ QemuOpts *mach_opts;
+ mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
+ if (mach_opts) {
+ return qemu_opt_get_bool(mach_opts, "usb", default_usb);
+ }
+ return default_usb;
+ }
+
+ #ifndef _WIN32
+ static int parse_add_fd(QemuOpts *opts, void *opaque)
+ {
+ int fd, dupfd, flags;
+ int64_t fdset_id;
+ const char *fd_opaque = NULL;
+
+ fd = qemu_opt_get_number(opts, "fd", -1);
+ fdset_id = qemu_opt_get_number(opts, "set", -1);
+ fd_opaque = qemu_opt_get(opts, "opaque");
+
+ if (fd < 0) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "fd option is required and must be non-negative");
+ return -1;
+ }
+
+ if (fd <= STDERR_FILENO) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "fd cannot be a standard I/O stream");
+ return -1;
+ }
+
+ /*
+ * All fds inherited across exec() necessarily have FD_CLOEXEC
+ * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
+ */
+ flags = fcntl(fd, F_GETFD);
+ if (flags == -1 || (flags & FD_CLOEXEC)) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "fd is not valid or already in use");
+ return -1;
+ }
+
+ if (fdset_id < 0) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "set option is required and must be non-negative");
+ return -1;
+ }
+
+ #ifdef F_DUPFD_CLOEXEC
+ dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
+ #else
+ dupfd = dup(fd);
+ if (dupfd != -1) {
+ qemu_set_cloexec(dupfd);
+ }
+ #endif
+ if (dupfd == -1) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "Error duplicating fd: %s", strerror(errno));
+ return -1;
+ }
+
+ /* add the duplicate fd, and optionally the opaque string, to the fd set */
+ monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
+ fd_opaque, NULL);
+
+ return 0;
+ }
+
+ static int cleanup_add_fd(QemuOpts *opts, void *opaque)
+ {
+ int fd;
+
+ fd = qemu_opt_get_number(opts, "fd", -1);
+ close(fd);
+
+ return 0;
+ }
+ #endif
+
/***********************************************************/
/* QEMU Block devices */
const char *p;
USBDevice *dev = NULL;
- if (!usb_enabled)
+ if (!usb_enabled(false)) {
return -1;
+ }
/* drivers with .usbdevice_name entry in USBDeviceInfo */
dev = usbdevice_create(devname);
if (strstart(devname, "host:", &p))
return usb_host_device_close(p);
- if (!usb_enabled)
+ if (!usb_enabled(false)) {
return -1;
+ }
p = strchr(devname, '.');
if (!p)
free(mem);
}
-int qemu_init_main_loop(void)
-{
- return main_loop_init();
-}
-
int main(int argc, char **argv, char **envp)
{
int i;
}
break;
case QEMU_OPTION_usb:
- usb_enabled = 1;
+ machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
+ if (machine_opts) {
+ qemu_opt_set_bool(machine_opts, "usb", true);
+ }
break;
case QEMU_OPTION_usbdevice:
- usb_enabled = 1;
+ machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
+ if (machine_opts) {
+ qemu_opt_set_bool(machine_opts, "usb", true);
+ }
add_device_config(DEV_USB, optarg);
break;
case QEMU_OPTION_device:
exit(0);
}
break;
+ case QEMU_OPTION_add_fd:
+ #ifndef _WIN32
+ opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
+ if (!opts) {
+ exit(0);
+ }
+ #else
+ error_report("File descriptor passing is disabled on this "
+ "platform");
+ exit(1);
+ #endif
+ break;
default:
os_parse_cmd_args(popt->index, optarg);
}
}
loc_set_none();
+ qemu_init_cpu_loop();
+ if (qemu_init_main_loop()) {
+ fprintf(stderr, "qemu_init_main_loop failed\n");
+ exit(1);
+ }
+
if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
exit(1);
}
+ #ifndef _WIN32
+ if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
+ exit(1);
+ }
+
+ if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
+ exit(1);
+ }
+ #endif
+
if (machine == NULL) {
fprintf(stderr, "No machine found.\n");
exit(1);
configure_accelerator();
- qemu_init_cpu_loop();
- if (qemu_init_main_loop()) {
- fprintf(stderr, "qemu_init_main_loop failed\n");
- exit(1);
- }
-
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
kernel_filename = qemu_opt_get(machine_opts, "kernel");
current_machine = machine;
/* init USB devices */
- if (usb_enabled) {
+ if (usb_enabled(false)) {
if (foreach_device_config(DEV_USB, usb_parse) < 0)
exit(1);
}