diff options
Diffstat (limited to 'migration/savevm.c')
| -rw-r--r-- | migration/savevm.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index a4532b6b58..a2d4f9c53c 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -36,6 +36,7 @@ #include "qemu/timer.h" #include "migration/migration.h" #include "qemu-file-channel.h" +#include "savevm.h" #include "postcopy-ram.h" #include "qapi/qmp/qerror.h" #include "qemu/error-report.h" @@ -63,6 +64,26 @@ const unsigned int postcopy_ram_discard_version = 0; static bool skip_section_footers; +/* 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_POSTCOPY_ADVISE, /* Prior to any page transfers, just + warn we might want to do PC */ + MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming + pages as it's running. */ + MIG_CMD_POSTCOPY_RUN, /* Start execution */ + + MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that + were previously sent during + precopy but are dirty. */ + MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */ + MIG_CMD_MAX +}; + +#define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24) static struct mig_cmd_args { ssize_t len; /* -1 = variable */ const char *name; @@ -807,10 +828,10 @@ static void save_section_footer(QEMUFile *f, SaveStateEntry *se) * @len: Length of associated data * @data: Data associated with command. */ -void qemu_savevm_command_send(QEMUFile *f, - enum qemu_vm_cmd command, - uint16_t len, - uint8_t *data) +static void qemu_savevm_command_send(QEMUFile *f, + enum qemu_vm_cmd command, + uint16_t len, + uint8_t *data) { trace_savevm_command_send(command, len); qemu_put_byte(f, QEMU_VM_COMMAND); |