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3e9fab690d
xemu/hmp.c
Benoît Canet 3e9fab690d block: Add support for throttling burst max in QMP and the command line. 
The max parameter of the leaky bucket throttling algorithm can be used to
allow the guest to do bursts.
The max value is a pool of I/O that the guest can use without being throttled
at all. Throttling is triggered once this pool is empty.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-06 15:25:07 +02:00

1543 lines
45 KiB
C
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/*
* Human Monitor Interface
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#include "hmp.h"
#include "net/net.h"
#include "sysemu/char.h"
#include "qemu/option.h"
#include "qemu/timer.h"
#include "qmp-commands.h"
#include "qemu/sockets.h"
#include "monitor/monitor.h"
#include "ui/console.h"
#include "block/qapi.h"
#include "qemu-io.h"
static void hmp_handle_error(Monitor *mon, Error **errp)
{
if (error_is_set(errp)) {
monitor_printf(mon, "%s\n", error_get_pretty(*errp));
error_free(*errp);
}
}
void hmp_info_name(Monitor *mon, const QDict *qdict)
{
NameInfo *info;
info = qmp_query_name(NULL);
if (info->has_name) {
monitor_printf(mon, "%s\n", info->name);
}
qapi_free_NameInfo(info);
}
void hmp_info_version(Monitor *mon, const QDict *qdict)
{
VersionInfo *info;
info = qmp_query_version(NULL);
monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
info->qemu.major, info->qemu.minor, info->qemu.micro,
info->package);
qapi_free_VersionInfo(info);
}
void hmp_info_kvm(Monitor *mon, const QDict *qdict)
{
KvmInfo *info;
info = qmp_query_kvm(NULL);
monitor_printf(mon, "kvm support: ");
if (info->present) {
monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
} else {
monitor_printf(mon, "not compiled\n");
}
qapi_free_KvmInfo(info);
}
void hmp_info_status(Monitor *mon, const QDict *qdict)
{
StatusInfo *info;
info = qmp_query_status(NULL);
monitor_printf(mon, "VM status: %s%s",
info->running ? "running" : "paused",
info->singlestep ? " (single step mode)" : "");
if (!info->running && info->status != RUN_STATE_PAUSED) {
monitor_printf(mon, " (%s)", RunState_lookup[info->status]);
}
monitor_printf(mon, "\n");
qapi_free_StatusInfo(info);
}
void hmp_info_uuid(Monitor *mon, const QDict *qdict)
{
UuidInfo *info;
info = qmp_query_uuid(NULL);
monitor_printf(mon, "%s\n", info->UUID);
qapi_free_UuidInfo(info);
}
void hmp_info_chardev(Monitor *mon, const QDict *qdict)
{
ChardevInfoList *char_info, *info;
char_info = qmp_query_chardev(NULL);
for (info = char_info; info; info = info->next) {
monitor_printf(mon, "%s: filename=%s\n", info->value->label,
info->value->filename);
}
qapi_free_ChardevInfoList(char_info);
}
void hmp_info_mice(Monitor *mon, const QDict *qdict)
{
MouseInfoList *mice_list, *mouse;
mice_list = qmp_query_mice(NULL);
if (!mice_list) {
monitor_printf(mon, "No mouse devices connected\n");
return;
}
for (mouse = mice_list; mouse; mouse = mouse->next) {
monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
mouse->value->current ? '*' : ' ',
mouse->value->index, mouse->value->name,
mouse->value->absolute ? " (absolute)" : "");
}
qapi_free_MouseInfoList(mice_list);
}
void hmp_info_migrate(Monitor *mon, const QDict *qdict)
{
MigrationInfo *info;
MigrationCapabilityStatusList *caps, *cap;
info = qmp_query_migrate(NULL);
caps = qmp_query_migrate_capabilities(NULL);
/* do not display parameters during setup */
if (info->has_status && caps) {
monitor_printf(mon, "capabilities: ");
for (cap = caps; cap; cap = cap->next) {
monitor_printf(mon, "%s: %s ",
MigrationCapability_lookup[cap->value->capability],
cap->value->state ? "on" : "off");
}
monitor_printf(mon, "\n");
}
if (info->has_status) {
monitor_printf(mon, "Migration status: %s\n", info->status);
monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
info->total_time);
if (info->has_expected_downtime) {
monitor_printf(mon, "expected downtime: %" PRIu64 " milliseconds\n",
info->expected_downtime);
}
if (info->has_downtime) {
monitor_printf(mon, "downtime: %" PRIu64 " milliseconds\n",
info->downtime);
}
if (info->has_setup_time) {
monitor_printf(mon, "setup: %" PRIu64 " milliseconds\n",
info->setup_time);
}
}
if (info->has_ram) {
monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
info->ram->transferred >> 10);
monitor_printf(mon, "throughput: %0.2f mbps\n",
info->ram->mbps);
monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
info->ram->remaining >> 10);
monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
info->ram->total >> 10);
monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
info->ram->duplicate);
monitor_printf(mon, "skipped: %" PRIu64 " pages\n",
info->ram->skipped);
monitor_printf(mon, "normal: %" PRIu64 " pages\n",
info->ram->normal);
monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
info->ram->normal_bytes >> 10);
if (info->ram->dirty_pages_rate) {
monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n",
info->ram->dirty_pages_rate);
}
}
if (info->has_disk) {
monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
info->disk->transferred >> 10);
monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
info->disk->remaining >> 10);
monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
info->disk->total >> 10);
}
if (info->has_xbzrle_cache) {
monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
info->xbzrle_cache->cache_size);
monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
info->xbzrle_cache->bytes >> 10);
monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
info->xbzrle_cache->pages);
monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
info->xbzrle_cache->cache_miss);
monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
info->xbzrle_cache->overflow);
}
qapi_free_MigrationInfo(info);
qapi_free_MigrationCapabilityStatusList(caps);
}
void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict)
{
MigrationCapabilityStatusList *caps, *cap;
caps = qmp_query_migrate_capabilities(NULL);
if (caps) {
monitor_printf(mon, "capabilities: ");
for (cap = caps; cap; cap = cap->next) {
monitor_printf(mon, "%s: %s ",
MigrationCapability_lookup[cap->value->capability],
cap->value->state ? "on" : "off");
}
monitor_printf(mon, "\n");
}
qapi_free_MigrationCapabilityStatusList(caps);
}
void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict)
{
monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
qmp_query_migrate_cache_size(NULL) >> 10);
}
void hmp_info_cpus(Monitor *mon, const QDict *qdict)
{
CpuInfoList *cpu_list, *cpu;
cpu_list = qmp_query_cpus(NULL);
for (cpu = cpu_list; cpu; cpu = cpu->next) {
int active = ' ';
if (cpu->value->CPU == monitor_get_cpu_index()) {
active = '*';
}
monitor_printf(mon, "%c CPU #%" PRId64 ":", active, cpu->value->CPU);
if (cpu->value->has_pc) {
monitor_printf(mon, " pc=0x%016" PRIx64, cpu->value->pc);
}
if (cpu->value->has_nip) {
monitor_printf(mon, " nip=0x%016" PRIx64, cpu->value->nip);
}
if (cpu->value->has_npc) {
monitor_printf(mon, " npc=0x%016" PRIx64, cpu->value->npc);
}
if (cpu->value->has_PC) {
monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->PC);
}
if (cpu->value->halted) {
monitor_printf(mon, " (halted)");
}
monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
}
qapi_free_CpuInfoList(cpu_list);
}
void hmp_info_block(Monitor *mon, const QDict *qdict)
{
BlockInfoList *block_list, *info;
ImageInfo *image_info;
const char *device = qdict_get_try_str(qdict, "device");
bool verbose = qdict_get_try_bool(qdict, "verbose", 0);
block_list = qmp_query_block(NULL);
for (info = block_list; info; info = info->next) {
if (device && strcmp(device, info->value->device)) {
continue;
}
if (info != block_list) {
monitor_printf(mon, "\n");
}
monitor_printf(mon, "%s", info->value->device);
if (info->value->has_inserted) {
monitor_printf(mon, ": %s (%s%s%s)\n",
info->value->inserted->file,
info->value->inserted->drv,
info->value->inserted->ro ? ", read-only" : "",
info->value->inserted->encrypted ? ", encrypted" : "");
} else {
monitor_printf(mon, ": [not inserted]\n");
}
if (info->value->has_io_status && info->value->io_status != BLOCK_DEVICE_IO_STATUS_OK) {
monitor_printf(mon, " I/O status: %s\n",
BlockDeviceIoStatus_lookup[info->value->io_status]);
}
if (info->value->removable) {
monitor_printf(mon, " Removable device: %slocked, tray %s\n",
info->value->locked ? "" : "not ",
info->value->tray_open ? "open" : "closed");
}
if (!info->value->has_inserted) {
continue;
}
if (info->value->inserted->has_backing_file) {
monitor_printf(mon,
" Backing file: %s "
"(chain depth: %" PRId64 ")\n",
info->value->inserted->backing_file,
info->value->inserted->backing_file_depth);
}
if (info->value->inserted->bps
|| info->value->inserted->bps_rd
|| info->value->inserted->bps_wr
|| info->value->inserted->iops
|| info->value->inserted->iops_rd
|| info->value->inserted->iops_wr)
{
monitor_printf(mon, " I/O throttling: bps=%" PRId64
" bps_rd=%" PRId64 " bps_wr=%" PRId64
" bps_max=%" PRId64
" bps_rd_max=%" PRId64
" bps_wr_max=%" PRId64
" iops=%" PRId64 " iops_rd=%" PRId64
" iops_wr=%" PRId64
" iops_max=%" PRId64
" iops_rd_max=%" PRId64
" iops_wr_max=%" PRId64 "\n",
info->value->inserted->bps,
info->value->inserted->bps_rd,
info->value->inserted->bps_wr,
info->value->inserted->bps_max,
info->value->inserted->bps_rd_max,
info->value->inserted->bps_wr_max,
info->value->inserted->iops,
info->value->inserted->iops_rd,
info->value->inserted->iops_wr,
info->value->inserted->iops_max,
info->value->inserted->iops_rd_max,
info->value->inserted->iops_wr_max);
} else {
monitor_printf(mon, " [not inserted]");
}
if (verbose) {
monitor_printf(mon, "\nImages:\n");
image_info = info->value->inserted->image;
while (1) {
bdrv_image_info_dump((fprintf_function)monitor_printf,
mon, image_info);
if (image_info->has_backing_image) {
image_info = image_info->backing_image;
} else {
break;
}
}
}
}
qapi_free_BlockInfoList(block_list);
}
void hmp_info_blockstats(Monitor *mon, const QDict *qdict)
{
BlockStatsList *stats_list, *stats;
stats_list = qmp_query_blockstats(NULL);
for (stats = stats_list; stats; stats = stats->next) {
if (!stats->value->has_device) {
continue;
}
monitor_printf(mon, "%s:", stats->value->device);
monitor_printf(mon, " rd_bytes=%" PRId64
" wr_bytes=%" PRId64
" rd_operations=%" PRId64
" wr_operations=%" PRId64
" flush_operations=%" PRId64
" wr_total_time_ns=%" PRId64
" rd_total_time_ns=%" PRId64
" flush_total_time_ns=%" PRId64
"\n",
stats->value->stats->rd_bytes,
stats->value->stats->wr_bytes,
stats->value->stats->rd_operations,
stats->value->stats->wr_operations,
stats->value->stats->flush_operations,
stats->value->stats->wr_total_time_ns,
stats->value->stats->rd_total_time_ns,
stats->value->stats->flush_total_time_ns);
}
qapi_free_BlockStatsList(stats_list);
}
void hmp_info_vnc(Monitor *mon, const QDict *qdict)
{
VncInfo *info;
Error *err = NULL;
VncClientInfoList *client;
info = qmp_query_vnc(&err);
if (err) {
monitor_printf(mon, "%s\n", error_get_pretty(err));
error_free(err);
return;
}
if (!info->enabled) {
monitor_printf(mon, "Server: disabled\n");
goto out;
}
monitor_printf(mon, "Server:\n");
if (info->has_host && info->has_service) {
monitor_printf(mon, " address: %s:%s\n", info->host, info->service);
}
if (info->has_auth) {
monitor_printf(mon, " auth: %s\n", info->auth);
}
if (!info->has_clients || info->clients == NULL) {
monitor_printf(mon, "Client: none\n");
} else {
for (client = info->clients; client; client = client->next) {
monitor_printf(mon, "Client:\n");
monitor_printf(mon, " address: %s:%s\n",
client->value->host, client->value->service);
monitor_printf(mon, " x509_dname: %s\n",
client->value->x509_dname ?
client->value->x509_dname : "none");
monitor_printf(mon, " username: %s\n",
client->value->has_sasl_username ?
client->value->sasl_username : "none");
}
}
out:
qapi_free_VncInfo(info);
}
void hmp_info_spice(Monitor *mon, const QDict *qdict)
{
SpiceChannelList *chan;
SpiceInfo *info;
info = qmp_query_spice(NULL);
if (!info->enabled) {
monitor_printf(mon, "Server: disabled\n");
goto out;
}
monitor_printf(mon, "Server:\n");
if (info->has_port) {
monitor_printf(mon, " address: %s:%" PRId64 "\n",
info->host, info->port);
}
if (info->has_tls_port) {
monitor_printf(mon, " address: %s:%" PRId64 " [tls]\n",
info->host, info->tls_port);
}
monitor_printf(mon, " migrated: %s\n",
info->migrated ? "true" : "false");
monitor_printf(mon, " auth: %s\n", info->auth);
monitor_printf(mon, " compiled: %s\n", info->compiled_version);
monitor_printf(mon, " mouse-mode: %s\n",
SpiceQueryMouseMode_lookup[info->mouse_mode]);
if (!info->has_channels || info->channels == NULL) {
monitor_printf(mon, "Channels: none\n");
} else {
for (chan = info->channels; chan; chan = chan->next) {
monitor_printf(mon, "Channel:\n");
monitor_printf(mon, " address: %s:%s%s\n",
chan->value->host, chan->value->port,
chan->value->tls ? " [tls]" : "");
monitor_printf(mon, " session: %" PRId64 "\n",
chan->value->connection_id);
monitor_printf(mon, " channel: %" PRId64 ":%" PRId64 "\n",
chan->value->channel_type, chan->value->channel_id);
}
}
out:
qapi_free_SpiceInfo(info);
}
void hmp_info_balloon(Monitor *mon, const QDict *qdict)
{
BalloonInfo *info;
Error *err = NULL;
info = qmp_query_balloon(&err);
if (err) {
monitor_printf(mon, "%s\n", error_get_pretty(err));
error_free(err);
return;
}
monitor_printf(mon, "balloon: actual=%" PRId64 "\n", info->actual >> 20);
qapi_free_BalloonInfo(info);
}
static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
{
PciMemoryRegionList *region;
monitor_printf(mon, " Bus %2" PRId64 ", ", dev->bus);
monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
dev->slot, dev->function);
monitor_printf(mon, " ");
if (dev->class_info.has_desc) {
monitor_printf(mon, "%s", dev->class_info.desc);
} else {
monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
}
monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
dev->id.vendor, dev->id.device);
if (dev->has_irq) {
monitor_printf(mon, " IRQ %" PRId64 ".\n", dev->irq);
}
if (dev->has_pci_bridge) {
monitor_printf(mon, " BUS %" PRId64 ".\n",
dev->pci_bridge->bus.number);
monitor_printf(mon, " secondary bus %" PRId64 ".\n",
dev->pci_bridge->bus.secondary);
monitor_printf(mon, " subordinate bus %" PRId64 ".\n",
dev->pci_bridge->bus.subordinate);
monitor_printf(mon, " IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
dev->pci_bridge->bus.io_range->base,
dev->pci_bridge->bus.io_range->limit);
monitor_printf(mon,
" memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
dev->pci_bridge->bus.memory_range->base,
dev->pci_bridge->bus.memory_range->limit);
monitor_printf(mon, " prefetchable memory range "
"[0x%08"PRIx64", 0x%08"PRIx64"]\n",
dev->pci_bridge->bus.prefetchable_range->base,
dev->pci_bridge->bus.prefetchable_range->limit);
}
for (region = dev->regions; region; region = region->next) {
uint64_t addr, size;
addr = region->value->address;
size = region->value->size;
monitor_printf(mon, " BAR%" PRId64 ": ", region->value->bar);
if (!strcmp(region->value->type, "io")) {
monitor_printf(mon, "I/O at 0x%04" PRIx64
" [0x%04" PRIx64 "].\n",
addr, addr + size - 1);
} else {
monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
" [0x%08" PRIx64 "].\n",
region->value->mem_type_64 ? 64 : 32,
region->value->prefetch ? " prefetchable" : "",
addr, addr + size - 1);
}
}
monitor_printf(mon, " id \"%s\"\n", dev->qdev_id);
if (dev->has_pci_bridge) {
if (dev->pci_bridge->has_devices) {
PciDeviceInfoList *cdev;
for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
hmp_info_pci_device(mon, cdev->value);
}
}
}
}
void hmp_info_pci(Monitor *mon, const QDict *qdict)
{
PciInfoList *info_list, *info;
Error *err = NULL;
info_list = qmp_query_pci(&err);
if (err) {
monitor_printf(mon, "PCI devices not supported\n");
error_free(err);
return;
}
for (info = info_list; info; info = info->next) {
PciDeviceInfoList *dev;
for (dev = info->value->devices; dev; dev = dev->next) {
hmp_info_pci_device(mon, dev->value);
}
}
qapi_free_PciInfoList(info_list);
}
void hmp_info_block_jobs(Monitor *mon, const QDict *qdict)
{
BlockJobInfoList *list;
Error *err = NULL;
list = qmp_query_block_jobs(&err);
assert(!err);
if (!list) {
monitor_printf(mon, "No active jobs\n");
return;
}
while (list) {
if (strcmp(list->value->type, "stream") == 0) {
monitor_printf(mon, "Streaming device %s: Completed %" PRId64
" of %" PRId64 " bytes, speed limit %" PRId64
" bytes/s\n",
list->value->device,
list->value->offset,
list->value->len,
list->value->speed);
} else {
monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
" of %" PRId64 " bytes, speed limit %" PRId64
" bytes/s\n",
list->value->type,
list->value->device,
list->value->offset,
list->value->len,
list->value->speed);
}
list = list->next;
}
}
void hmp_info_tpm(Monitor *mon, const QDict *qdict)
{
TPMInfoList *info_list, *info;
Error *err = NULL;
unsigned int c = 0;
TPMPassthroughOptions *tpo;
info_list = qmp_query_tpm(&err);
if (err) {
monitor_printf(mon, "TPM device not supported\n");
error_free(err);
return;
}
if (info_list) {
monitor_printf(mon, "TPM device:\n");
}
for (info = info_list; info; info = info->next) {
TPMInfo *ti = info->value;
monitor_printf(mon, " tpm%d: model=%s\n",
c, TpmModel_lookup[ti->model]);
monitor_printf(mon, " \\ %s: type=%s",
ti->id, TpmTypeOptionsKind_lookup[ti->options->kind]);
switch (ti->options->kind) {
case TPM_TYPE_OPTIONS_KIND_PASSTHROUGH:
tpo = ti->options->passthrough;
monitor_printf(mon, "%s%s%s%s",
tpo->has_path ? ",path=" : "",
tpo->has_path ? tpo->path : "",
tpo->has_cancel_path ? ",cancel-path=" : "",
tpo->has_cancel_path ? tpo->cancel_path : "");
break;
case TPM_TYPE_OPTIONS_KIND_MAX:
break;
}
monitor_printf(mon, "\n");
c++;
}
qapi_free_TPMInfoList(info_list);
}
void hmp_quit(Monitor *mon, const QDict *qdict)
{
monitor_suspend(mon);
qmp_quit(NULL);
}
void hmp_stop(Monitor *mon, const QDict *qdict)
{
qmp_stop(NULL);
}
void hmp_system_reset(Monitor *mon, const QDict *qdict)
{
qmp_system_reset(NULL);
}
void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
{
qmp_system_powerdown(NULL);
}
void hmp_cpu(Monitor *mon, const QDict *qdict)
{
int64_t cpu_index;
/* XXX: drop the monitor_set_cpu() usage when all HMP commands that
use it are converted to the QAPI */
cpu_index = qdict_get_int(qdict, "index");
if (monitor_set_cpu(cpu_index) < 0) {
monitor_printf(mon, "invalid CPU index\n");
}
}
void hmp_memsave(Monitor *mon, const QDict *qdict)
{
uint32_t size = qdict_get_int(qdict, "size");
const char *filename = qdict_get_str(qdict, "filename");
uint64_t addr = qdict_get_int(qdict, "val");
Error *errp = NULL;
qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
hmp_handle_error(mon, &errp);
}
void hmp_pmemsave(Monitor *mon, const QDict *qdict)
{
uint32_t size = qdict_get_int(qdict, "size");
const char *filename = qdict_get_str(qdict, "filename");
uint64_t addr = qdict_get_int(qdict, "val");
Error *errp = NULL;
qmp_pmemsave(addr, size, filename, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_ringbuf_write(Monitor *mon, const QDict *qdict)
{
const char *chardev = qdict_get_str(qdict, "device");
const char *data = qdict_get_str(qdict, "data");
Error *errp = NULL;
qmp_ringbuf_write(chardev, data, false, 0, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_ringbuf_read(Monitor *mon, const QDict *qdict)
{
uint32_t size = qdict_get_int(qdict, "size");
const char *chardev = qdict_get_str(qdict, "device");
char *data;
Error *errp = NULL;
int i;
data = qmp_ringbuf_read(chardev, size, false, 0, &errp);
if (errp) {
monitor_printf(mon, "%s\n", error_get_pretty(errp));
error_free(errp);
return;
}
for (i = 0; data[i]; i++) {
unsigned char ch = data[i];
if (ch == '\\') {
monitor_printf(mon, "\\\\");
} else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) {
monitor_printf(mon, "\\u%04X", ch);
} else {
monitor_printf(mon, "%c", ch);
}
}
monitor_printf(mon, "\n");
g_free(data);
}
static void hmp_cont_cb(void *opaque, int err)
{
if (!err) {
qmp_cont(NULL);
}
}
static bool key_is_missing(const BlockInfo *bdev)
{
return (bdev->inserted && bdev->inserted->encryption_key_missing);
}
void hmp_cont(Monitor *mon, const QDict *qdict)
{
BlockInfoList *bdev_list, *bdev;
Error *errp = NULL;
bdev_list = qmp_query_block(NULL);
for (bdev = bdev_list; bdev; bdev = bdev->next) {
if (key_is_missing(bdev->value)) {
monitor_read_block_device_key(mon, bdev->value->device,
hmp_cont_cb, NULL);
goto out;
}
}
qmp_cont(&errp);
hmp_handle_error(mon, &errp);
out:
qapi_free_BlockInfoList(bdev_list);
}
void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
{
qmp_system_wakeup(NULL);
}
void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
{
Error *errp = NULL;
qmp_inject_nmi(&errp);
hmp_handle_error(mon, &errp);
}
void hmp_set_link(Monitor *mon, const QDict *qdict)
{
const char *name = qdict_get_str(qdict, "name");
int up = qdict_get_bool(qdict, "up");
Error *errp = NULL;
qmp_set_link(name, up, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_block_passwd(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
const char *password = qdict_get_str(qdict, "password");
Error *errp = NULL;
qmp_block_passwd(device, password, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_balloon(Monitor *mon, const QDict *qdict)
{
int64_t value = qdict_get_int(qdict, "value");
Error *errp = NULL;
qmp_balloon(value, &errp);
if (error_is_set(&errp)) {
monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
error_free(errp);
}
}
void hmp_block_resize(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
int64_t size = qdict_get_int(qdict, "size");
Error *errp = NULL;
qmp_block_resize(device, size, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
const char *filename = qdict_get_str(qdict, "target");
const char *format = qdict_get_try_str(qdict, "format");
int reuse = qdict_get_try_bool(qdict, "reuse", 0);
int full = qdict_get_try_bool(qdict, "full", 0);
enum NewImageMode mode;
Error *errp = NULL;
if (!filename) {
error_set(&errp, QERR_MISSING_PARAMETER, "target");
hmp_handle_error(mon, &errp);
return;
}
if (reuse) {
mode = NEW_IMAGE_MODE_EXISTING;
} else {
mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
qmp_drive_mirror(device, filename, !!format, format,
full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
true, mode, false, 0, false, 0, false, 0,
false, 0, false, 0, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_drive_backup(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
const char *filename = qdict_get_str(qdict, "target");
const char *format = qdict_get_try_str(qdict, "format");
int reuse = qdict_get_try_bool(qdict, "reuse", 0);
int full = qdict_get_try_bool(qdict, "full", 0);
enum NewImageMode mode;
Error *errp = NULL;
if (!filename) {
error_set(&errp, QERR_MISSING_PARAMETER, "target");
hmp_handle_error(mon, &errp);
return;
}
if (reuse) {
mode = NEW_IMAGE_MODE_EXISTING;
} else {
mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
qmp_drive_backup(device, filename, !!format, format,
full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
true, mode, false, 0, false, 0, false, 0, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
const char *filename = qdict_get_try_str(qdict, "snapshot-file");
const char *format = qdict_get_try_str(qdict, "format");
int reuse = qdict_get_try_bool(qdict, "reuse", 0);
enum NewImageMode mode;
Error *errp = NULL;
if (!filename) {
/* In the future, if 'snapshot-file' is not specified, the snapshot
will be taken internally. Today it's actually required. */
error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
hmp_handle_error(mon, &errp);
return;
}
mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
qmp_blockdev_snapshot_sync(device, filename, !!format, format,
true, mode, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
{
qmp_migrate_cancel(NULL);
}
void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
{
double value = qdict_get_double(qdict, "value");
qmp_migrate_set_downtime(value, NULL);
}
void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
{
int64_t value = qdict_get_int(qdict, "value");
Error *err = NULL;
qmp_migrate_set_cache_size(value, &err);
if (err) {
monitor_printf(mon, "%s\n", error_get_pretty(err));
error_free(err);
return;
}
}
void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
{
int64_t value = qdict_get_int(qdict, "value");
qmp_migrate_set_speed(value, NULL);
}
void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
{
const char *cap = qdict_get_str(qdict, "capability");
bool state = qdict_get_bool(qdict, "state");
Error *err = NULL;
MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
int i;
for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
caps->value = g_malloc0(sizeof(*caps->value));
caps->value->capability = i;
caps->value->state = state;
caps->next = NULL;
qmp_migrate_set_capabilities(caps, &err);
break;
}
}
if (i == MIGRATION_CAPABILITY_MAX) {
error_set(&err, QERR_INVALID_PARAMETER, cap);
}
qapi_free_MigrationCapabilityStatusList(caps);
if (err) {
monitor_printf(mon, "migrate_set_capability: %s\n",
error_get_pretty(err));
error_free(err);
}
}
void hmp_set_password(Monitor *mon, const QDict *qdict)
{
const char *protocol = qdict_get_str(qdict, "protocol");
const char *password = qdict_get_str(qdict, "password");
const char *connected = qdict_get_try_str(qdict, "connected");
Error *err = NULL;
qmp_set_password(protocol, password, !!connected, connected, &err);
hmp_handle_error(mon, &err);
}
void hmp_expire_password(Monitor *mon, const QDict *qdict)
{
const char *protocol = qdict_get_str(qdict, "protocol");
const char *whenstr = qdict_get_str(qdict, "time");
Error *err = NULL;
qmp_expire_password(protocol, whenstr, &err);
hmp_handle_error(mon, &err);
}
void hmp_eject(Monitor *mon, const QDict *qdict)
{
int force = qdict_get_try_bool(qdict, "force", 0);
const char *device = qdict_get_str(qdict, "device");
Error *err = NULL;
qmp_eject(device, true, force, &err);
hmp_handle_error(mon, &err);
}
static void hmp_change_read_arg(Monitor *mon, const char *password,
void *opaque)
{
qmp_change_vnc_password(password, NULL);
monitor_read_command(mon, 1);
}
void hmp_change(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
const char *target = qdict_get_str(qdict, "target");
const char *arg = qdict_get_try_str(qdict, "arg");
Error *err = NULL;
if (strcmp(device, "vnc") == 0 &&
(strcmp(target, "passwd") == 0 ||
strcmp(target, "password") == 0)) {
if (!arg) {
monitor_read_password(mon, hmp_change_read_arg, NULL);
return;
}
}
qmp_change(device, target, !!arg, arg, &err);
if (error_is_set(&err) &&
error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
error_free(err);
monitor_read_block_device_key(mon, device, NULL, NULL);
return;
}
hmp_handle_error(mon, &err);
}
void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
qdict_get_int(qdict, "bps"),
qdict_get_int(qdict, "bps_rd"),
qdict_get_int(qdict, "bps_wr"),
qdict_get_int(qdict, "iops"),
qdict_get_int(qdict, "iops_rd"),
qdict_get_int(qdict, "iops_wr"),
false, /* no burst max via HMP */
0,
false,
0,
false,
0,
false,
0,
false,
0,
false,
0, &err);
hmp_handle_error(mon, &err);
}
void hmp_block_stream(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
const char *base = qdict_get_try_str(qdict, "base");
int64_t speed = qdict_get_try_int(qdict, "speed", 0);
qmp_block_stream(device, base != NULL, base,
qdict_haskey(qdict, "speed"), speed,
BLOCKDEV_ON_ERROR_REPORT, true, &error);
hmp_handle_error(mon, &error);
}
void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
int64_t value = qdict_get_int(qdict, "speed");
qmp_block_job_set_speed(device, value, &error);
hmp_handle_error(mon, &error);
}
void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
bool force = qdict_get_try_bool(qdict, "force", 0);
qmp_block_job_cancel(device, true, force, &error);
hmp_handle_error(mon, &error);
}
void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
qmp_block_job_pause(device, &error);
hmp_handle_error(mon, &error);
}
void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
qmp_block_job_resume(device, &error);
hmp_handle_error(mon, &error);
}
void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
qmp_block_job_complete(device, &error);
hmp_handle_error(mon, &error);
}
typedef struct MigrationStatus
{
QEMUTimer *timer;
Monitor *mon;
bool is_block_migration;
} MigrationStatus;
static void hmp_migrate_status_cb(void *opaque)
{
MigrationStatus *status = opaque;
MigrationInfo *info;
info = qmp_query_migrate(NULL);
if (!info->has_status || strcmp(info->status, "active") == 0) {
if (info->has_disk) {
int progress;
if (info->disk->remaining) {
progress = info->disk->transferred * 100 / info->disk->total;
} else {
progress = 100;
}
monitor_printf(status->mon, "Completed %d %%\r", progress);
monitor_flush(status->mon);
}
timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
} else {
if (status->is_block_migration) {
monitor_printf(status->mon, "\n");
}
monitor_resume(status->mon);
timer_del(status->timer);
g_free(status);
}
qapi_free_MigrationInfo(info);
}
void hmp_migrate(Monitor *mon, const QDict *qdict)
{
int detach = qdict_get_try_bool(qdict, "detach", 0);
int blk = qdict_get_try_bool(qdict, "blk", 0);
int inc = qdict_get_try_bool(qdict, "inc", 0);
const char *uri = qdict_get_str(qdict, "uri");
Error *err = NULL;
qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
if (err) {
monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
error_free(err);
return;
}
if (!detach) {
MigrationStatus *status;
if (monitor_suspend(mon) < 0) {
monitor_printf(mon, "terminal does not allow synchronous "
"migration, continuing detached\n");
return;
}
status = g_malloc0(sizeof(*status));
status->mon = mon;
status->is_block_migration = blk || inc;
status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb,
status);
timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
}
}
void hmp_device_del(Monitor *mon, const QDict *qdict)
{
const char *id = qdict_get_str(qdict, "id");
Error *err = NULL;
qmp_device_del(id, &err);
hmp_handle_error(mon, &err);
}
void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
{
Error *errp = NULL;
int paging = qdict_get_try_bool(qdict, "paging", 0);
const char *file = qdict_get_str(qdict, "filename");
bool has_begin = qdict_haskey(qdict, "begin");
bool has_length = qdict_haskey(qdict, "length");
int64_t begin = 0;
int64_t length = 0;
char *prot;
if (has_begin) {
begin = qdict_get_int(qdict, "begin");
}
if (has_length) {
length = qdict_get_int(qdict, "length");
}
prot = g_strconcat("file:", file, NULL);
qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length,
&errp);
hmp_handle_error(mon, &errp);
g_free(prot);
}
void hmp_netdev_add(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
QemuOpts *opts;
opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
if (error_is_set(&err)) {
goto out;
}
netdev_add(opts, &err);
if (error_is_set(&err)) {
qemu_opts_del(opts);
}
out:
hmp_handle_error(mon, &err);
}
void hmp_netdev_del(Monitor *mon, const QDict *qdict)
{
const char *id = qdict_get_str(qdict, "id");
Error *err = NULL;
qmp_netdev_del(id, &err);
hmp_handle_error(mon, &err);
}
void hmp_getfd(Monitor *mon, const QDict *qdict)
{
const char *fdname = qdict_get_str(qdict, "fdname");
Error *errp = NULL;
qmp_getfd(fdname, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_closefd(Monitor *mon, const QDict *qdict)
{
const char *fdname = qdict_get_str(qdict, "fdname");
Error *errp = NULL;
qmp_closefd(fdname, &errp);
hmp_handle_error(mon, &errp);
}
void hmp_send_key(Monitor *mon, const QDict *qdict)
{
const char *keys = qdict_get_str(qdict, "keys");
KeyValueList *keylist, *head = NULL, *tmp = NULL;
int has_hold_time = qdict_haskey(qdict, "hold-time");
int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
Error *err = NULL;
char keyname_buf[16];
char *separator;
int keyname_len;
while (1) {
separator = strchr(keys, '-');
keyname_len = separator ? separator - keys : strlen(keys);
pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
/* Be compatible with old interface, convert user inputted "<" */
if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
keyname_len = 4;
}
keyname_buf[keyname_len] = 0;
keylist = g_malloc0(sizeof(*keylist));
keylist->value = g_malloc0(sizeof(*keylist->value));
if (!head) {
head = keylist;
}
if (tmp) {
tmp->next = keylist;
}
tmp = keylist;
if (strstart(keyname_buf, "0x", NULL)) {
char *endp;
int value = strtoul(keyname_buf, &endp, 0);
if (*endp != '\0') {
goto err_out;
}
keylist->value->kind = KEY_VALUE_KIND_NUMBER;
keylist->value->number = value;
} else {
int idx = index_from_key(keyname_buf);
if (idx == Q_KEY_CODE_MAX) {
goto err_out;
}
keylist->value->kind = KEY_VALUE_KIND_QCODE;
keylist->value->qcode = idx;
}
if (!separator) {
break;
}
keys = separator + 1;
}
qmp_send_key(head, has_hold_time, hold_time, &err);
hmp_handle_error(mon, &err);
out:
qapi_free_KeyValueList(head);
return;
err_out:
monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
goto out;
}
void hmp_screen_dump(Monitor *mon, const QDict *qdict)
{
const char *filename = qdict_get_str(qdict, "filename");
Error *err = NULL;
qmp_screendump(filename, &err);
hmp_handle_error(mon, &err);
}
void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
{
const char *uri = qdict_get_str(qdict, "uri");
int writable = qdict_get_try_bool(qdict, "writable", 0);
int all = qdict_get_try_bool(qdict, "all", 0);
Error *local_err = NULL;
BlockInfoList *block_list, *info;
SocketAddress *addr;
if (writable && !all) {
error_setg(&local_err, "-w only valid together with -a");
goto exit;
}
/* First check if the address is valid and start the server. */
addr = socket_parse(uri, &local_err);
if (local_err != NULL) {
goto exit;
}
qmp_nbd_server_start(addr, &local_err);
qapi_free_SocketAddress(addr);
if (local_err != NULL) {
goto exit;
}
if (!all) {
return;
}
/* Then try adding all block devices. If one fails, close all and
* exit.
*/
block_list = qmp_query_block(NULL);
for (info = block_list; info; info = info->next) {
if (!info->value->has_inserted) {
continue;
}
qmp_nbd_server_add(info->value->device, true, writable, &local_err);
if (local_err != NULL) {
qmp_nbd_server_stop(NULL);
break;
}
}
qapi_free_BlockInfoList(block_list);
exit:
hmp_handle_error(mon, &local_err);
}
void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
int writable = qdict_get_try_bool(qdict, "writable", 0);
Error *local_err = NULL;
qmp_nbd_server_add(device, true, writable, &local_err);
if (local_err != NULL) {
hmp_handle_error(mon, &local_err);
}
}
void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
{
Error *errp = NULL;
qmp_nbd_server_stop(&errp);
hmp_handle_error(mon, &errp);
}
void hmp_chardev_add(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
Error *err = NULL;
QemuOpts *opts;
opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
if (opts == NULL) {
error_setg(&err, "Parsing chardev args failed");
} else {
qemu_chr_new_from_opts(opts, NULL, &err);
}
hmp_handle_error(mon, &err);
}
void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, &local_err);
}
void hmp_qemu_io(Monitor *mon, const QDict *qdict)
{
BlockDriverState *bs;
const char* device = qdict_get_str(qdict, "device");
const char* command = qdict_get_str(qdict, "command");
Error *err = NULL;
bs = bdrv_find(device);
if (bs) {
qemuio_command(bs, command);
} else {
error_set(&err, QERR_DEVICE_NOT_FOUND, device);
}
hmp_handle_error(mon, &err);
}
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