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[Qemu-devel] [RFC PATCH 11/23] Introduce qemu_savevm_state_all().
From: |
Yoshiaki Tamura |
Subject: |
[Qemu-devel] [RFC PATCH 11/23] Introduce qemu_savevm_state_all(). |
Date: |
Tue, 25 May 2010 17:36:52 +0900 |
Introduce qemu_savevm_state_all() to send the memory and device info
together, while avoiding cancelling memory state tracking.
Signed-off-by: Yoshiaki Tamura <address@hidden>
---
savevm.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
sysemu.h | 1 +
2 files changed, 61 insertions(+), 0 deletions(-)
diff --git a/savevm.c b/savevm.c
index 81cb711..25ccbb8 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1468,6 +1468,66 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f)
return 0;
}
+int qemu_savevm_state_all(Monitor *mon, QEMUFile *f)
+{
+ SaveStateEntry *se;
+
+ QTAILQ_FOREACH(se, &savevm_handlers, entry) {
+ int len;
+
+ if (se->save_live_state == NULL)
+ continue;
+
+ /* Section type */
+ qemu_put_byte(f, QEMU_VM_SECTION_START);
+ qemu_put_be32(f, se->section_id);
+
+ /* ID string */
+ len = strlen(se->idstr);
+ qemu_put_byte(f, len);
+ qemu_put_buffer(f, (uint8_t *)se->idstr, len);
+
+ qemu_put_be32(f, se->instance_id);
+ qemu_put_be32(f, se->version_id);
+ if (ft_mode == FT_INIT) {
+ /* This is workaround. */
+ se->save_live_state(mon, f, QEMU_VM_SECTION_START, se->opaque);
+ } else {
+ se->save_live_state(mon, f, QEMU_VM_SECTION_PART, se->opaque);
+ }
+ }
+
+ ft_mode = FT_TRANSACTION;
+ QTAILQ_FOREACH(se, &savevm_handlers, entry) {
+ int len;
+
+ if (se->save_state == NULL && se->vmsd == NULL)
+ continue;
+
+ /* Section type */
+ qemu_put_byte(f, QEMU_VM_SECTION_FULL);
+ qemu_put_be32(f, se->section_id);
+
+ /* ID string */
+ len = strlen(se->idstr);
+ qemu_put_byte(f, len);
+ qemu_put_buffer(f, (uint8_t *)se->idstr, len);
+
+ qemu_put_be32(f, se->instance_id);
+ qemu_put_be32(f, se->version_id);
+
+ vmstate_save(f, se);
+ }
+
+ qemu_put_byte(f, QEMU_VM_EOF);
+
+ if (qemu_file_has_error(f))
+ return -EIO;
+
+ return 0;
+}
+
+
void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f)
{
SaveStateEntry *se;
diff --git a/sysemu.h b/sysemu.h
index 6c1441f..df314bb 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -67,6 +67,7 @@ int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int
blk_enable,
int shared);
int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
+int qemu_savevm_state_all(Monitor *mon, QEMUFile *f);
void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
int qemu_loadvm_state(QEMUFile *f, int skip_header);
--
1.7.0.31.g1df487
- [Qemu-devel] [RFC PATCH 21/23] virtio-blk: Modify save/load handler to handle inuse varialble., (continued)
- [Qemu-devel] [RFC PATCH 21/23] virtio-blk: Modify save/load handler to handle inuse varialble., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 08/23] Introduce some socket util functions., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 04/23] Use cpu_physical_memory_get_dirty_range() to check multiple dirty pages., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 20/23] Modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 23/23] Add a parser to accept FT migration incoming mode., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 07/23] Introduce skip_header parameter to qemu_loadvm_state()., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 12/23] Insent event-tap callbacks to net/block layer., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 03/23] Use cpu_physical_memory_set_dirty_range() to update phys_ram_dirty., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 06/23] Introduce read() to FdMigrationState., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 18/23] Call event_tap_replay() at vm_start()., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 11/23] Introduce qemu_savevm_state_all().,
Yoshiaki Tamura <=
- [Qemu-devel] [RFC PATCH 13/23] Introduce event-tap., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 17/23] Skip assert() when event_tap_state weren't EVENT_TAP_OFF., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 05/23] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 00/23] Kemari for KVM v0.1.1, Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 01/23] Modify DIRTY_FLAG value and introduce DIRTY_IDX to use as indexes of bit-based phys_ram_dirty., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 02/23] Introduce cpu_physical_memory_get_dirty_range()., Yoshiaki Tamura, 2010/05/25
- [Qemu-devel] [RFC PATCH 09/23] Introduce fault tolerant VM transaction QEMUFile and ft_mode., Yoshiaki Tamura, 2010/05/25