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Return path: Control commands

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Add two src->dest commands:
   * OPEN_RETURN_PATH - To request that the destination open the return path
   * PING - Request an acknowledge from the destination

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-11-05 18:10:46 +00:00 • committed by Juan Quintela
parent c76ca1888f
commit 2e37701efd
4 changed files with 51 additions and 1 deletions
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4
include/sysemu/sysemu.h
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@ -87,6 +87,8 @@ void qemu_announce_self(void);
/* Subcommands for QEMU_VM_COMMAND */
enum qemu_vm_cmd {
MIG_CMD_INVALID = 0, /* Must be 0 */
MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */
MIG_CMD_PING, /* Request a PONG on the RP */
MIG_CMD_MAX
};
@ -100,6 +102,8 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f);
uint64_t qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size);
void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command,
uint16_t len, uint8_t *data);
void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
void qemu_savevm_send_open_return_path(QEMUFile *f);
int qemu_loadvm_state(QEMUFile *f);
typedef enum DisplayType