diff options
Diffstat (limited to 'migration/rdma.h')
| -rw-r--r-- | migration/rdma.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/migration/rdma.h b/migration/rdma.h index de2ba09dc5..30b15b4466 100644 --- a/migration/rdma.h +++ b/migration/rdma.h @@ -17,9 +17,51 @@ #ifndef QEMU_MIGRATION_RDMA_H #define QEMU_MIGRATION_RDMA_H +#include "exec/memory.h" + void rdma_start_outgoing_migration(void *opaque, const char *host_port, Error **errp); void rdma_start_incoming_migration(const char *host_port, Error **errp); +/* + * Constants used by rdma return codes + */ +#define RAM_CONTROL_SETUP 0 +#define RAM_CONTROL_ROUND 1 +#define RAM_CONTROL_FINISH 3 + +/* + * Whenever this is found in the data stream, the flags + * will be passed to rdma functions in the incoming-migration + * side. + */ +#define RAM_SAVE_FLAG_HOOK 0x80 + +#define RAM_SAVE_CONTROL_NOT_SUPP -1000 +#define RAM_SAVE_CONTROL_DELAYED -2000 + +#ifdef CONFIG_RDMA +int rdma_registration_handle(QEMUFile *f); +int rdma_registration_start(QEMUFile *f, uint64_t flags); +int rdma_registration_stop(QEMUFile *f, uint64_t flags); +int rdma_block_notification_handle(QEMUFile *f, const char *name); +int rdma_control_save_page(QEMUFile *f, ram_addr_t block_offset, + ram_addr_t offset, size_t size); +#else +static inline +int rdma_registration_handle(QEMUFile *f) { return 0; } +static inline +int rdma_registration_start(QEMUFile *f, uint64_t flags) { return 0; } +static inline +int rdma_registration_stop(QEMUFile *f, uint64_t flags) { return 0; } +static inline +int rdma_block_notification_handle(QEMUFile *f, const char *name) { return 0; } +static inline +int rdma_control_save_page(QEMUFile *f, ram_addr_t block_offset, + ram_addr_t offset, size_t size) +{ + return RAM_SAVE_CONTROL_NOT_SUPP; +} +#endif #endif |