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Diffstat (limited to 'migration/savevm.c')
-rw-r--r--migration/savevm.c185
1 files changed, 10 insertions, 175 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index a00c1ab0af..352a8f23b5 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -33,15 +33,12 @@
#include "hw/qdev.h"
#include "hw/xen/xen.h"
#include "net/net.h"
-#include "monitor/monitor.h"
#include "sysemu/sysemu.h"
#include "qemu/timer.h"
-#include "audio/audio.h"
#include "migration/migration.h"
-#include "migration/postcopy-ram.h"
+#include "postcopy-ram.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
-#include "qemu/sockets.h"
#include "qemu/queue.h"
#include "sysemu/cpus.h"
#include "exec/memory.h"
@@ -50,7 +47,6 @@
#include "qemu/bitops.h"
#include "qemu/iov.h"
#include "block/snapshot.h"
-#include "block/qapi.h"
#include "qemu/cutils.h"
#include "io/channel-buffer.h"
#include "io/channel-file.h"
@@ -2078,7 +2074,7 @@ int qemu_loadvm_state(QEMUFile *f)
return ret;
}
-int save_vmstate(Monitor *mon, const char *name)
+int save_vmstate(const char *name)
{
BlockDriverState *bs, *bs1;
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
@@ -2092,8 +2088,8 @@ int save_vmstate(Monitor *mon, const char *name)
AioContext *aio_context;
if (!bdrv_all_can_snapshot(&bs)) {
- monitor_printf(mon, "Device '%s' is writable but does not "
- "support snapshots.\n", bdrv_get_device_name(bs));
+ error_report("Device '%s' is writable but does not support snapshots",
+ bdrv_get_device_name(bs));
return ret;
}
@@ -2110,7 +2106,7 @@ int save_vmstate(Monitor *mon, const char *name)
bs = bdrv_all_find_vmstate_bs();
if (bs == NULL) {
- monitor_printf(mon, "No block device can accept snapshots\n");
+ error_report("No block device can accept snapshots");
return ret;
}
aio_context = bdrv_get_aio_context(bs);
@@ -2119,7 +2115,7 @@ int save_vmstate(Monitor *mon, const char *name)
ret = global_state_store();
if (ret) {
- monitor_printf(mon, "Error saving global state\n");
+ error_report("Error saving global state");
return ret;
}
vm_stop(RUN_STATE_SAVE_VM);
@@ -2151,7 +2147,7 @@ int save_vmstate(Monitor *mon, const char *name)
/* save the VM state */
f = qemu_fopen_bdrv(bs, 1);
if (!f) {
- monitor_printf(mon, "Could not open VM state file\n");
+ error_report("Could not open VM state file");
goto the_end;
}
ret = qemu_savevm_state(f, &local_err);
@@ -2164,8 +2160,8 @@ int save_vmstate(Monitor *mon, const char *name)
ret = bdrv_all_create_snapshot(sn, bs, vm_state_size, &bs);
if (ret < 0) {
- monitor_printf(mon, "Error while creating snapshot on '%s'\n",
- bdrv_get_device_name(bs));
+ error_report("Error while creating snapshot on '%s'",
+ bdrv_get_device_name(bs));
goto the_end;
}
@@ -2179,11 +2175,6 @@ int save_vmstate(Monitor *mon, const char *name)
return ret;
}
-void hmp_savevm(Monitor *mon, const QDict *qdict)
-{
- save_vmstate(mon, qdict_get_try_str(qdict, "name"));
-}
-
void qmp_xen_save_devices_state(const char *filename, Error **errp)
{
QEMUFile *f;
@@ -2253,7 +2244,7 @@ int load_vmstate(const char *name)
MigrationIncomingState *mis = migration_incoming_get_current();
if (!bdrv_all_can_snapshot(&bs)) {
- error_report("Device '%s' is writable but does not support snapshots.",
+ error_report("Device '%s' is writable but does not support snapshots",
bdrv_get_device_name(bs));
return -ENOTSUP;
}
@@ -2317,162 +2308,6 @@ int load_vmstate(const char *name)
return 0;
}
-void hmp_delvm(Monitor *mon, const QDict *qdict)
-{
- BlockDriverState *bs;
- Error *err;
- const char *name = qdict_get_str(qdict, "name");
-
- if (bdrv_all_delete_snapshot(name, &bs, &err) < 0) {
- error_reportf_err(err,
- "Error while deleting snapshot on device '%s': ",
- bdrv_get_device_name(bs));
- }
-}
-
-void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
-{
- BlockDriverState *bs, *bs1;
- BdrvNextIterator it1;
- QEMUSnapshotInfo *sn_tab, *sn;
- bool no_snapshot = true;
- int nb_sns, i;
- int total;
- int *global_snapshots;
- AioContext *aio_context;
-
- typedef struct SnapshotEntry {
- QEMUSnapshotInfo sn;
- QTAILQ_ENTRY(SnapshotEntry) next;
- } SnapshotEntry;
-
- typedef struct ImageEntry {
- const char *imagename;
- QTAILQ_ENTRY(ImageEntry) next;
- QTAILQ_HEAD(, SnapshotEntry) snapshots;
- } ImageEntry;
-
- QTAILQ_HEAD(, ImageEntry) image_list =
- QTAILQ_HEAD_INITIALIZER(image_list);
-
- ImageEntry *image_entry, *next_ie;
- SnapshotEntry *snapshot_entry;
-
- bs = bdrv_all_find_vmstate_bs();
- if (!bs) {
- monitor_printf(mon, "No available block device supports snapshots\n");
- return;
- }
- aio_context = bdrv_get_aio_context(bs);
-
- aio_context_acquire(aio_context);
- nb_sns = bdrv_snapshot_list(bs, &sn_tab);
- aio_context_release(aio_context);
-
- if (nb_sns < 0) {
- monitor_printf(mon, "bdrv_snapshot_list: error %d\n", nb_sns);
- return;
- }
-
- for (bs1 = bdrv_first(&it1); bs1; bs1 = bdrv_next(&it1)) {
- int bs1_nb_sns = 0;
- ImageEntry *ie;
- SnapshotEntry *se;
- AioContext *ctx = bdrv_get_aio_context(bs1);
-
- aio_context_acquire(ctx);
- if (bdrv_can_snapshot(bs1)) {
- sn = NULL;
- bs1_nb_sns = bdrv_snapshot_list(bs1, &sn);
- if (bs1_nb_sns > 0) {
- no_snapshot = false;
- ie = g_new0(ImageEntry, 1);
- ie->imagename = bdrv_get_device_name(bs1);
- QTAILQ_INIT(&ie->snapshots);
- QTAILQ_INSERT_TAIL(&image_list, ie, next);
- for (i = 0; i < bs1_nb_sns; i++) {
- se = g_new0(SnapshotEntry, 1);
- se->sn = sn[i];
- QTAILQ_INSERT_TAIL(&ie->snapshots, se, next);
- }
- }
- g_free(sn);
- }
- aio_context_release(ctx);
- }
-
- if (no_snapshot) {
- monitor_printf(mon, "There is no snapshot available.\n");
- return;
- }
-
- global_snapshots = g_new0(int, nb_sns);
- total = 0;
- for (i = 0; i < nb_sns; i++) {
- SnapshotEntry *next_sn;
- if (bdrv_all_find_snapshot(sn_tab[i].name, &bs1) == 0) {
- global_snapshots[total] = i;
- total++;
- QTAILQ_FOREACH(image_entry, &image_list, next) {
- QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots,
- next, next_sn) {
- if (!strcmp(sn_tab[i].name, snapshot_entry->sn.name)) {
- QTAILQ_REMOVE(&image_entry->snapshots, snapshot_entry,
- next);
- g_free(snapshot_entry);
- }
- }
- }
- }
- }
-
- monitor_printf(mon, "List of snapshots present on all disks:\n");
-
- if (total > 0) {
- bdrv_snapshot_dump((fprintf_function)monitor_printf, mon, NULL);
- monitor_printf(mon, "\n");
- for (i = 0; i < total; i++) {
- sn = &sn_tab[global_snapshots[i]];
- /* The ID is not guaranteed to be the same on all images, so
- * overwrite it.
- */
- pstrcpy(sn->id_str, sizeof(sn->id_str), "--");
- bdrv_snapshot_dump((fprintf_function)monitor_printf, mon, sn);
- monitor_printf(mon, "\n");
- }
- } else {
- monitor_printf(mon, "None\n");
- }
-
- QTAILQ_FOREACH(image_entry, &image_list, next) {
- if (QTAILQ_EMPTY(&image_entry->snapshots)) {
- continue;
- }
- monitor_printf(mon,
- "\nList of partial (non-loadable) snapshots on '%s':\n",
- image_entry->imagename);
- bdrv_snapshot_dump((fprintf_function)monitor_printf, mon, NULL);
- monitor_printf(mon, "\n");
- QTAILQ_FOREACH(snapshot_entry, &image_entry->snapshots, next) {
- bdrv_snapshot_dump((fprintf_function)monitor_printf, mon,
- &snapshot_entry->sn);
- monitor_printf(mon, "\n");
- }
- }
-
- QTAILQ_FOREACH_SAFE(image_entry, &image_list, next, next_ie) {
- SnapshotEntry *next_sn;
- QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, next,
- next_sn) {
- g_free(snapshot_entry);
- }
- g_free(image_entry);
- }
- g_free(sn_tab);
- g_free(global_snapshots);
-
-}
-
void vmstate_register_ram(MemoryRegion *mr, DeviceState *dev)
{
qemu_ram_set_idstr(mr->ram_block,
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-25 10:40:07 +0000