type stringclasses 5
values | content stringlengths 9 163k |
|---|---|
functions | void cfq_init_icq(struct io_cq *icq)
{
struct cfq_io_cq *cic = icq_to_cic(icq);
cic->ttime.last_end_request = jiffies;
} |
functions | void cfq_exit_icq(struct io_cq *icq)
{
struct cfq_io_cq *cic = icq_to_cic(icq);
struct cfq_data *cfqd = cic_to_cfqd(cic);
if (cic->cfqq[BLK_RW_ASYNC]) {
cfq_exit_cfqq(cfqd, cic->cfqq[BLK_RW_ASYNC]);
cic->cfqq[BLK_RW_ASYNC] = NULL;
} |
functions | void cfq_init_prio_data(struct cfq_queue *cfqq, struct cfq_io_cq *cic)
{
struct task_struct *tsk = current;
int ioprio_class;
if (!cfq_cfqq_prio_changed(cfqq))
return;
ioprio_class = IOPRIO_PRIO_CLASS(cic->ioprio);
switch (ioprio_class) {
default:
printk(KERN_ERR "cfq: bad prio %x\n", ioprio_class);
case I... |
functions | void check_ioprio_changed(struct cfq_io_cq *cic, struct bio *bio)
{
int ioprio = cic->icq.ioc->ioprio;
struct cfq_data *cfqd = cic_to_cfqd(cic);
struct cfq_queue *cfqq;
/*
* Check whether ioprio has changed. The condition may trigger
* spuriously on a newly created cic but there's no harm.
*/
if (unlikely(... |
functions | void cfq_init_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq,
pid_t pid, bool is_sync)
{
RB_CLEAR_NODE(&cfqq->rb_node);
RB_CLEAR_NODE(&cfqq->p_node);
INIT_LIST_HEAD(&cfqq->fifo);
cfqq->ref = 0;
cfqq->cfqd = cfqd;
cfq_mark_cfqq_prio_changed(cfqq);
if (is_sync) {
if (!cfq_class_idle(cfqq))
cfq_mar... |
functions | void check_blkcg_changed(struct cfq_io_cq *cic, struct bio *bio)
{
struct cfq_data *cfqd = cic_to_cfqd(cic);
struct cfq_queue *sync_cfqq;
uint64_t id;
rcu_read_lock();
id = bio_blkcg(bio)->id;
rcu_read_unlock();
/*
* Check whether blkcg has changed. The condition may trigger
* spuriously on a newly create... |
functions | void check_blkcg_changed(struct cfq_io_cq *cic, struct bio *bio) { } |
functions | else if (gfp_mask & __GFP_WAIT) {
rcu_read_unlock();
spin_unlock_irq(cfqd->queue->queue_lock);
new_cfqq = kmem_cache_alloc_node(cfq_pool,
gfp_mask | __GFP_ZERO,
cfqd->queue->node);
spin_lock_irq(cfqd->queue->queue_lock);
if (new_cfqq)
goto retry;
else
return &cfqd->oom_cfqq;
} |
functions | void
__cfq_update_io_thinktime(struct cfq_ttime *ttime, unsigned long slice_idle)
{
unsigned long elapsed = jiffies - ttime->last_end_request;
elapsed = min(elapsed, 2UL * slice_idle);
ttime->ttime_samples = (7*ttime->ttime_samples + 256) / 8;
ttime->ttime_total = (7*ttime->ttime_total + 256*elapsed) / 8;
ttime->... |
functions | void
cfq_update_io_thinktime(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct cfq_io_cq *cic)
{
if (cfq_cfqq_sync(cfqq)) {
__cfq_update_io_thinktime(&cic->ttime, cfqd->cfq_slice_idle);
__cfq_update_io_thinktime(&cfqq->service_tree->ttime,
cfqd->cfq_slice_idle);
} |
functions | void
cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct request *rq)
{
sector_t sdist = 0;
sector_t n_sec = blk_rq_sectors(rq);
if (cfqq->last_request_pos) {
if (cfqq->last_request_pos < blk_rq_pos(rq))
sdist = blk_rq_pos(rq) - cfqq->last_request_pos;
else
sdist = cfqq->l... |
functions | void
cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct cfq_io_cq *cic)
{
int old_idle, enable_idle;
/*
* Don't idle for async or idle io prio class
*/
if (!cfq_cfqq_sync(cfqq) || cfq_class_idle(cfqq))
return;
enable_idle = old_idle = cfq_cfqq_idle_window(cfqq);
if (cfqq... |
functions | bool
cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
struct request *rq)
{
struct cfq_queue *cfqq;
cfqq = cfqd->active_queue;
if (!cfqq)
return false;
if (cfq_class_idle(new_cfqq))
return false;
if (cfq_class_idle(cfqq))
return true;
/*
* Don't allow a non-RT request to pree... |
functions | void cfq_preempt_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq)
{
enum wl_type_t old_type = cfqq_type(cfqd->active_queue);
cfq_log_cfqq(cfqd, cfqq, "preempt");
cfq_slice_expired(cfqd, 1);
/*
* workload type is changed, don't save slice, otherwise preempt
* doesn't happen
*/
if (old_type != cfqq_type(... |
functions | void
cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct request *rq)
{
struct cfq_io_cq *cic = RQ_CIC(rq);
cfqd->rq_queued++;
if (rq->cmd_flags & REQ_PRIO)
cfqq->prio_pending++;
cfq_update_io_thinktime(cfqd, cfqq, cic);
cfq_update_io_seektime(cfqd, cfqq, rq);
cfq_update_idle_window(cfqd, ... |
functions | void cfq_insert_request(struct request_queue *q, struct request *rq)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct cfq_queue *cfqq = RQ_CFQQ(rq);
cfq_log_cfqq(cfqd, cfqq, "insert_request");
cfq_init_prio_data(cfqq, RQ_CIC(rq));
rq_set_fifo_time(rq, jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]);... |
functions | void cfq_update_hw_tag(struct cfq_data *cfqd)
{
struct cfq_queue *cfqq = cfqd->active_queue;
if (cfqd->rq_in_driver > cfqd->hw_tag_est_depth)
cfqd->hw_tag_est_depth = cfqd->rq_in_driver;
if (cfqd->hw_tag == 1)
return;
if (cfqd->rq_queued <= CFQ_HW_QUEUE_MIN &&
cfqd->rq_in_driver <= CFQ_HW_QUEUE_MIN)
r... |
functions | bool cfq_should_wait_busy(struct cfq_data *cfqd, struct cfq_queue *cfqq)
{
struct cfq_io_cq *cic = cfqd->active_cic;
/* If the queue already has requests, don't wait */
if (!RB_EMPTY_ROOT(&cfqq->sort_list))
return false;
/* If there are other queues in the group, don't wait */
if (cfqq->cfqg->nr_cfqq > 1)
re... |
functions | void cfq_completed_request(struct request_queue *q, struct request *rq)
{
struct cfq_queue *cfqq = RQ_CFQQ(rq);
struct cfq_data *cfqd = cfqq->cfqd;
const int sync = rq_is_sync(rq);
unsigned long now;
now = jiffies;
cfq_log_cfqq(cfqd, cfqq, "complete rqnoidle %d",
!!(rq->cmd_flags & REQ_NOIDLE));
cfq_upd... |
functions | int __cfq_may_queue(struct cfq_queue *cfqq)
{
if (cfq_cfqq_wait_request(cfqq) && !cfq_cfqq_must_alloc_slice(cfqq)) {
cfq_mark_cfqq_must_alloc_slice(cfqq);
return ELV_MQUEUE_MUST;
} |
functions | int cfq_may_queue(struct request_queue *q, int rw)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct task_struct *tsk = current;
struct cfq_io_cq *cic;
struct cfq_queue *cfqq;
/*
* don't force setup of a queue from here, as a call to may_queue
* does not necessarily imply that a request actually wi... |
functions | void cfq_put_request(struct request *rq)
{
struct cfq_queue *cfqq = RQ_CFQQ(rq);
if (cfqq) {
const int rw = rq_data_dir(rq);
BUG_ON(!cfqq->allocated[rw]);
cfqq->allocated[rw]--;
/* Put down rq reference on cfqg */
cfqg_put(RQ_CFQG(rq));
rq->elv.priv[0] = NULL;
rq->elv.priv[1] = NULL;
cfq_put_queue... |
functions | int
cfq_set_request(struct request_queue *q, struct request *rq, struct bio *bio,
gfp_t gfp_mask)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct cfq_io_cq *cic = icq_to_cic(rq->elv.icq);
const int rw = rq_data_dir(rq);
const bool is_sync = rq_is_sync(rq);
struct cfq_queue *cfqq;
might_sleep_if(gf... |
functions | void cfq_kick_queue(struct work_struct *work)
{
struct cfq_data *cfqd =
container_of(work, struct cfq_data, unplug_work);
struct request_queue *q = cfqd->queue;
spin_lock_irq(q->queue_lock);
__blk_run_queue(cfqd->queue);
spin_unlock_irq(q->queue_lock);
} |
functions | void cfq_idle_slice_timer(unsigned long data)
{
struct cfq_data *cfqd = (struct cfq_data *) data;
struct cfq_queue *cfqq;
unsigned long flags;
int timed_out = 1;
cfq_log(cfqd, "idle timer fired");
spin_lock_irqsave(cfqd->queue->queue_lock, flags);
cfqq = cfqd->active_queue;
if (cfqq) {
timed_out = 0;
/*... |
functions | void cfq_shutdown_timer_wq(struct cfq_data *cfqd)
{
del_timer_sync(&cfqd->idle_slice_timer);
cancel_work_sync(&cfqd->unplug_work);
} |
functions | void cfq_put_async_queues(struct cfq_data *cfqd)
{
int i;
for (i = 0; i < IOPRIO_BE_NR; i++) {
if (cfqd->async_cfqq[0][i])
cfq_put_queue(cfqd->async_cfqq[0][i]);
if (cfqd->async_cfqq[1][i])
cfq_put_queue(cfqd->async_cfqq[1][i]);
} |
functions | void cfq_exit_queue(struct elevator_queue *e)
{
struct cfq_data *cfqd = e->elevator_data;
struct request_queue *q = cfqd->queue;
cfq_shutdown_timer_wq(cfqd);
spin_lock_irq(q->queue_lock);
if (cfqd->active_queue)
__cfq_slice_expired(cfqd, cfqd->active_queue, 0);
cfq_put_async_queues(cfqd);
spin_unlock_irq(... |
functions | int cfq_init_queue(struct request_queue *q, struct elevator_type *e)
{
struct cfq_data *cfqd;
struct blkcg_gq *blkg __maybe_unused;
int i, ret;
struct elevator_queue *eq;
eq = elevator_alloc(q, e);
if (!eq)
return -ENOMEM;
cfqd = kzalloc_node(sizeof(*cfqd), GFP_KERNEL, q->node);
if (!cfqd) {
kobject_put(&... |
functions | void cfq_registered_queue(struct request_queue *q)
{
struct elevator_queue *e = q->elevator;
struct cfq_data *cfqd = e->elevator_data;
/*
* Default to IOPS mode with no idling for SSDs
*/
if (blk_queue_nonrot(q))
cfqd->cfq_slice_idle = 0;
} |
functions | ssize_t
cfq_var_show(unsigned int var, char *page)
{
return sprintf(page, "%d\n", var);
} |
functions | ssize_t
cfq_var_store(unsigned int *var, const char *page, size_t count)
{
char *p = (char *) page;
*var = simple_strtoul(p, &p, 10);
return count;
} |
functions | __init cfq_init(void)
{
int ret;
/*
* could be 0 on HZ < 1000 setups
*/
if (!cfq_slice_async)
cfq_slice_async = 1;
if (!cfq_slice_idle)
cfq_slice_idle = 1;
#ifdef CONFIG_CFQ_GROUP_IOSCHED
if (!cfq_group_idle)
cfq_group_idle = 1;
ret = blkcg_policy_register(&blkcg_policy_cfq);
if (ret)
return ret;
... |
functions | __exit cfq_exit(void)
{
#ifdef CONFIG_CFQ_GROUP_IOSCHED
blkcg_policy_unregister(&blkcg_policy_cfq);
#endif
elv_unregister(&iosched_cfq);
kmem_cache_destroy(cfq_pool);
} |
includes | #include <unistd.h> |
includes | #include <fcntl.h> |
includes | #include <signal.h> |
includes | #include <time.h> |
includes | #include <errno.h> |
includes | #include <sys/time.h> |
includes | #include <libvdeplug.h> |
includes | #include <SDL.h> |
includes |
#include <glib.h> |
defines | #define main qemu_main |
defines | #define main qemu_main |
defines |
#define DEFAULT_RAM_SIZE 128 |
defines |
#define MAX_VIRTIO_CONSOLES 1 |
defines | #define MAX_SCLP_CONSOLES 1 |
defines |
#define HD_OPTS "media=disk" |
defines | #define CDROM_OPTS "media=cdrom" |
defines | #define FD_OPTS "" |
defines | #define PFLASH_OPTS "" |
defines | #define MTD_OPTS "" |
defines | #define SD_OPTS "" |
defines |
#define QEMU_OPTIONS_GENERATE_HELP |
defines |
#define HAS_ARG 0x0001 |
defines | #define QEMU_OPTIONS_GENERATE_OPTIONS |
structs | struct vm_change_state_entry {
VMChangeStateHandler *cb;
void *opaque;
QLIST_ENTRY (vm_change_state_entry) entries;
}; |
functions | void res_free(void)
{
if (boot_splash_filedata != NULL) {
g_free(boot_splash_filedata);
boot_splash_filedata = NULL;
} |
functions | int default_driver_check(QemuOpts *opts, void *opaque)
{
const char *driver = qemu_opt_get(opts, "driver");
int i;
if (!driver)
return 0;
for (i = 0; i < ARRAY_SIZE(default_list); i++) {
if (strcmp(default_list[i].driver, driver) != 0)
continue;
*(default_list[i].fla... |
functions | bool runstate_check(RunState state)
{
return current_run_state == state;
} |
functions | void runstate_init(void)
{
const RunStateTransition *p;
memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
runstate_valid_transitions[p->from][p->to] = true;
} |
functions | void runstate_set(RunState new_state)
{
assert(new_state < RUN_STATE_MAX);
if (!runstate_valid_transitions[current_run_state][new_state]) {
fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
RunState_lookup[current_run_state],
RunState_lookup[new_state... |
functions | int runstate_is_running(void)
{
return runstate_check(RUN_STATE_RUNNING);
} |
functions | bool runstate_needs_reset(void)
{
return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN);
} |
functions | bool qemu_vmstop_requested(RunState *r)
{
qemu_mutex_lock(&vmstop_lock);
*r = vmstop_requested;
vmstop_requested = RUN_STATE_MAX;
qemu_mutex_unlock(&vmstop_lock);
return *r < RUN_STATE_MAX;
} |
functions | void qemu_system_vmstop_request_prepare(void)
{
qemu_mutex_lock(&vmstop_lock);
} |
functions | void qemu_system_vmstop_request(RunState state)
{
vmstop_requested = state;
qemu_mutex_unlock(&vmstop_lock);
qemu_notify_event();
} |
functions | void vm_start(void)
{
RunState requested;
qemu_vmstop_requested(&requested);
if (runstate_is_running() && requested == RUN_STATE_MAX) {
return;
} |
functions | void qemu_get_timedate(struct tm *tm, int offset)
{
time_t ti;
time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
gmtime_r(&ti, tm);
else
localtime_r(&ti, tm);
} |
functions | int qemu_timedate_diff(struct tm *tm)
{
time_t seconds;
if (rtc_date_offset == -1)
if (rtc_utc)
seconds = mktimegm(tm);
else {
struct tm tmp = *tm;
tmp.tm_isdst = -1; /* use timezone to figure it out */
seconds = mktime(&tmp);
} |
functions | void configure_rtc_date_offset(const char *startdate, int legacy)
{
time_t rtc_start_date;
struct tm tm;
if (!strcmp(startdate, "now") && legacy) {
rtc_date_offset = -1;
} |
functions | void configure_rtc(QemuOpts *opts)
{
const char *value;
value = qemu_opt_get(opts, "base");
if (value) {
if (!strcmp(value, "utc")) {
rtc_utc = 1;
} |
functions | int bt_hci_parse(const char *str)
{
struct HCIInfo *hci;
bdaddr_t bdaddr;
if (nb_hcis >= MAX_NICS) {
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
return -1;
} |
functions | void bt_vhci_add(int vlan_id)
{
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a VHCI to "
"an empty scatternet %i\n", vlan_id);
bt_vhci_init(bt_new_hci(vlan));
} |
functions | int bt_parse(const char *opt)
{
const char *endp, *p;
int vlan;
if (strstart(opt, "hci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp)
if (!strstart(endp, ",vlan=", 0))
opt = endp + 1;
return bt_hci_parse(opt);
} |
functions | int parse_sandbox(QemuOpts *opts, void *opaque)
{
/* FIXME: change this to true for 1.3 */
if (qemu_opt_get_bool(opts, "enable", false)) {
#ifdef CONFIG_SECCOMP
if (seccomp_start() < 0) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"failed to install seccomp syscall fi... |
functions | int parse_name(QemuOpts *opts, void *opaque)
{
const char *proc_name;
if (qemu_opt_get(opts, "debug-threads")) {
qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
} |
functions | bool usb_enabled(bool default_usb)
{
return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
has_defaults && default_usb);
} |
functions | 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(ER... |
functions | endif
if (dupfd == -1) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"Error duplicating fd: %s", strerror(errno));
return -1;
} |
functions | int cleanup_add_fd(QemuOpts *opts, void *opaque)
{
int fd;
fd = qemu_opt_get_number(opts, "fd", -1);
close(fd);
return 0;
} |
functions | int drive_init_func(QemuOpts *opts, void *opaque)
{
BlockInterfaceType *block_default_type = opaque;
return drive_new(opts, *block_default_type) == NULL;
} |
functions | int drive_enable_snapshot(QemuOpts *opts, void *opaque)
{
if (qemu_opt_get(opts, "snapshot") == NULL) {
qemu_opt_set(opts, "snapshot", "on");
} |
functions | void default_drive(int enable, int snapshot, BlockInterfaceType type,
int index, const char *optstr)
{
QemuOpts *opts;
DriveInfo *dinfo;
if (!enable || drive_get_by_index(type, index)) {
return;
} |
functions | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
{
boot_set_handler = func;
boot_set_opaque = opaque;
} |
functions | int qemu_boot_set(const char *boot_order)
{
if (!boot_set_handler) {
return -EINVAL;
} |
functions | void validate_bootdevices(const char *devices)
{
/* We just do some generic consistency checks */
const char *p;
int bitmap = 0;
for (p = devices; *p != '\0'; p++) {
/* Allowed boot devices are:
* a-b: floppy disk drives
* c-f: IDE disk drives
* g-m: machine implement... |
functions | void restore_boot_order(void *opaque)
{
char *normal_boot_order = opaque;
static int first = 1;
/* Restore boot order and remove ourselves after the first boot */
if (first) {
first = 0;
return;
} |
functions | void smp_parse(QemuOpts *opts)
{
if (opts) {
unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
unsigned cores = qemu_opt_get_number(opts, "cores", 0);
unsigned threads = qemu_opt_get_number(opts, "threads", 0);
... |
functions | void realtime_init(void)
{
if (enable_mlock) {
if (os_mlock() < 0) {
fprintf(stderr, "qemu: locking memory failed\n");
exit(1);
} |
functions | void configure_msg(QemuOpts *opts)
{
enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
} |
functions | int usb_device_add(const char *devname)
{
USBDevice *dev = NULL;
#ifndef CONFIG_LINUX
const char *p;
#endif
if (!usb_enabled(false)) {
return -1;
} |
functions | int usb_device_del(const char *devname)
{
int bus_num, addr;
const char *p;
if (strstart(devname, "host:", &p)) {
return -1;
} |
functions | int usb_parse(const char *cmdline)
{
int r;
r = usb_device_add(cmdline);
if (r < 0) {
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
} |
functions | void do_usb_add(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_add(devname) < 0) {
error_report("could not add USB device '%s'", devname);
} |
functions | void do_usb_del(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_del(devname) < 0) {
error_report("could not delete USB device '%s'", devname);
} |
functions | void machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
QEMUMachine *qm = data;
mc->family = qm->family;
mc->name = qm->name;
mc->alias = qm->alias;
mc->desc = qm->desc;
mc->init = qm->init;
mc->reset = qm->reset;
mc->hot_add_cpu = qm->hot_add_cp... |
functions | int qemu_register_machine(QEMUMachine *m)
{
char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
TypeInfo ti = {
.name = name,
.parent = TYPE_MACHINE,
.class_init = machine_class_init,
.class_data = (void *)m,
} |
functions | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
{
QLIST_REMOVE (e, entries);
g_free (e);
} |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.