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[PULL 15/38] migration/rdma: Unfold ram_control_before_iterate()
From: |
Juan Quintela |
Subject: |
[PULL 15/38] migration/rdma: Unfold ram_control_before_iterate() |
Date: |
Mon, 16 Oct 2023 12:06:43 +0200 |
Once there:
- Remove unused data parameter
- unfold it in its callers.
- change all callers to call qemu_rdma_registration_start()
- We need to call QIO_CHANNEL_RDMA() after we check for migrate_rdma()
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231011203527.9061-3-quintela@redhat.com>
---
migration/qemu-file.h | 2 --
migration/rdma.h | 7 +++++++
migration/qemu-file.c | 13 +------------
migration/ram.c | 16 +++++++++++++---
migration/rdma.c | 12 ++++--------
5 files changed, 25 insertions(+), 25 deletions(-)
diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index 03e718c264..d6a370c569 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;
@@ -127,7 +126,6 @@ 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..670c67a8cb 100644
--- a/migration/rdma.h
+++ b/migration/rdma.h
@@ -22,4 +22,11 @@ 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
+static inline
+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 7fb659296f..5e2d73fd68 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)
@@ -297,18 +298,6 @@ 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 acb8f95f00..6592431a4e 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -59,6 +59,7 @@
#include "qemu/iov.h"
#include "multifd.h"
#include "sysemu/runstate.h"
+#include "rdma.h"
#include "options.h"
#include "sysemu/dirtylimit.h"
#include "sysemu/kvm.h"
@@ -3060,7 +3061,10 @@ 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));
@@ -3123,7 +3127,10 @@ 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;
@@ -3228,7 +3235,10 @@ 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 f155f3e1c8..3d74ad6db0 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -3850,18 +3850,15 @@ 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;
}
+ QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(qemu_file_get_ioc(f));
RCU_READ_LOCK_GUARD();
- rdma = qatomic_rcu_read(&rioc->rdmaout);
+ RDMAContext *rdma = qatomic_rcu_read(&rioc->rdmaout);
if (!rdma) {
return -1;
}
@@ -4002,7 +3999,6 @@ 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,
};
--
2.41.0
- [PULL 02/38] migration: Use g_autofree to simplify ram_dirty_bitmap_reload(), (continued)
- [PULL 02/38] migration: Use g_autofree to simplify ram_dirty_bitmap_reload(), Juan Quintela, 2023/10/16
- [PULL 03/38] migration: Allow user to specify available switchover bandwidth, Juan Quintela, 2023/10/16
- [PULL 04/38] migration: fix RAMBlock add NULL check, Juan Quintela, 2023/10/16
- [PULL 06/38] migration: Fix analyze-migration.py 'configuration' parsing, Juan Quintela, 2023/10/16
- [PULL 07/38] migration: Add capability parsing to analyze-migration.py, Juan Quintela, 2023/10/16
- [PULL 05/38] migration: Add the configuration vmstate to the json writer, Juan Quintela, 2023/10/16
- [PULL 08/38] migration: Fix analyze-migration.py when ignore-shared is used, Juan Quintela, 2023/10/16
- [PULL 12/38] migration: hold the BQL during setup, Juan Quintela, 2023/10/16
- [PULL 13/38] migration: Non multifd migration don't care about multifd flushes, Juan Quintela, 2023/10/16
- [PULL 14/38] migration: Create migrate_rdma(), Juan Quintela, 2023/10/16
- [PULL 15/38] migration/rdma: Unfold ram_control_before_iterate(),
Juan Quintela <=
- [PULL 09/38] migration: Fix analyze-migration read operation signedness, Juan Quintela, 2023/10/16
- [PULL 10/38] tests/qtest/migration: Add a test for the analyze-migration script, Juan Quintela, 2023/10/16
- [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Juan Quintela, 2023/10/16
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Fabiano Rosas, 2023/10/16
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Juan Quintela, 2023/10/17
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Fabiano Rosas, 2023/10/17
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Juan Quintela, 2023/10/17
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Fabiano Rosas, 2023/10/17
- Re: [PULL 11/38] tests/qtest: migration-test: Add tests for file-based migration, Juan Quintela, 2023/10/17
[PULL 18/38] migration/rdma: Unfold hook_ram_load(), Juan Quintela, 2023/10/16