Once there:
- Remove unused data parameter
- unfold it in its callers.
- change all callers to call qemu_rdma_registration_start()
Reviewed-by: Peter Xu <pet...@redhat.com>
Signed-off-by: Juan Quintela <quint...@redhat.com>
Message-Id: <20230509120700.78359-3-quint...@redhat.com>
---
migration/qemu-file.h | 2 --
migration/rdma.h | 6 ++++++
migration/qemu-file.c | 13 +------------
migration/ram.c | 16 +++++++++++++---
migration/rdma.c | 6 ++----
5 files changed, 22 insertions(+), 21 deletions(-)
diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index ed77996201..ced2202137 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -55,7 +55,6 @@ typedef int (QEMURamSaveFunc)(QEMUFile *f,
size_t size);
typedef struct QEMUFileHooks {
- QEMURamHookFunc *before_ram_iterate;
QEMURamHookFunc *after_ram_iterate;
QEMURamHookFunc *hook_ram_load;
QEMURamSaveFunc *save_page;
@@ -131,7 +130,6 @@ void qemu_fflush(QEMUFile *f);
void qemu_file_set_blocking(QEMUFile *f, bool block);
int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size);
-void ram_control_before_iterate(QEMUFile *f, uint64_t flags);
void ram_control_after_iterate(QEMUFile *f, uint64_t flags);
void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data);
diff --git a/migration/rdma.h b/migration/rdma.h
index de2ba09dc5..901c829c8b 100644
--- a/migration/rdma.h
+++ b/migration/rdma.h
@@ -22,4 +22,10 @@ void rdma_start_outgoing_migration(void *opaque, const char
*host_port,
void rdma_start_incoming_migration(const char *host_port, Error **errp);
+
+#ifdef CONFIG_RDMA
+int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags);
+#else
+int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags) { return 0; }
+#endif
#endif
diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index 32ef5e9651..6243d6ac59 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -32,6 +32,7 @@
#include "trace.h"
#include "options.h"
#include "qapi/error.h"
+#include "rdma.h"
#define IO_BUF_SIZE 32768
#define MAX_IOV_SIZE MIN_CONST(IOV_MAX, 64)
@@ -302,18 +303,6 @@ void qemu_fflush(QEMUFile *f)
f->iovcnt = 0;
}
-void ram_control_before_iterate(QEMUFile *f, uint64_t flags)
-{
- int ret = 0;
-
- if (f->hooks && f->hooks->before_ram_iterate) {
- ret = f->hooks->before_ram_iterate(f, flags, NULL);
- if (ret < 0) {
- qemu_file_set_error(f, ret);
- }
- }
-}
-
void ram_control_after_iterate(QEMUFile *f, uint64_t flags)
{
int ret = 0;
diff --git a/migration/ram.c b/migration/ram.c
index eab0cb2710..b070278796 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -58,6 +58,7 @@
#include "qemu/iov.h"
#include "multifd.h"
#include "sysemu/runstate.h"
+#include "rdma.h"
#include "options.h"
#include "hw/boards.h" /* for machine_dump_guest_core() */
@@ -3012,7 +3013,10 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
}
}
- ram_control_before_iterate(f, RAM_CONTROL_SETUP);
+ ret = qemu_rdma_registration_start(f, RAM_CONTROL_SETUP);
+ if (ret < 0) {
+ qemu_file_set_error(f, ret);
+ }
ram_control_after_iterate(f, RAM_CONTROL_SETUP);
migration_ops = g_malloc0(sizeof(MigrationOps));
@@ -3072,7 +3076,10 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
/* Read version before ram_list.blocks */
smp_rmb();
- ram_control_before_iterate(f, RAM_CONTROL_ROUND);
+ ret = qemu_rdma_registration_start(f, RAM_CONTROL_ROUND);
+ if (ret < 0) {
+ qemu_file_set_error(f, ret);
+ }
t0 = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
i = 0;
@@ -3177,7 +3184,10 @@ static int ram_save_complete(QEMUFile *f, void *opaque)
migration_bitmap_sync_precopy(rs, true);
}
- ram_control_before_iterate(f, RAM_CONTROL_FINISH);
+ ret = qemu_rdma_registration_start(f, RAM_CONTROL_FINISH);
+ if (ret < 0) {
+ qemu_file_set_error(f, ret);
+ }
/* try transferring iterative blocks of memory */
diff --git a/migration/rdma.c b/migration/rdma.c
index c11863e614..6ca89ff090 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -3863,13 +3863,12 @@ static int rdma_load_hook(QEMUFile *f, uint64_t flags,
void *data)
}
}
-static int qemu_rdma_registration_start(QEMUFile *f,
- uint64_t flags, void *data)
+int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags)
{
QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(qemu_file_get_ioc(f));
RDMAContext *rdma;
- if (migration_in_postcopy()) {
+ if (!migrate_rdma () || migration_in_postcopy()) {
return 0;
}
@@ -4007,7 +4006,6 @@ static const QEMUFileHooks rdma_read_hooks = {
};
static const QEMUFileHooks rdma_write_hooks = {
- .before_ram_iterate = qemu_rdma_registration_start,
.after_ram_iterate = qemu_rdma_registration_stop,
.save_page = qemu_rdma_save_page,
};
--
2.40.1
