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author | Michael S. Tsirkin <mst@redhat.com> | 2010-11-23 19:05:54 +0200 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2010-12-02 21:13:39 +0200 |
commit | 3d002df33eb034757d98e1ae529318f57df78f91 (patch) | |
tree | 5c2a07b26b26f74b9b76ee460f567060ce1340f7 | |
parent | b2e0a138e77245290428a7d599a929e2e1bfe510 (diff) | |
download | qemu-3d002df33eb034757d98e1ae529318f57df78f91.zip qemu-3d002df33eb034757d98e1ae529318f57df78f91.tar.gz qemu-3d002df33eb034757d98e1ae529318f57df78f91.tar.bz2 |
migration: allow rate > 4g
I'd like to disable bandwidth limit or make it very high,
Use int64_t all over to make values >= 4g work.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Jason Wang <jasowang@redhat.com>
-rw-r--r-- | buffered_file.c | 9 | ||||
-rw-r--r-- | hw/hw.h | 8 | ||||
-rw-r--r-- | migration.c | 6 | ||||
-rw-r--r-- | savevm.c | 4 |
4 files changed, 16 insertions, 11 deletions
diff --git a/buffered_file.c b/buffered_file.c index 1836e7e..8435a31 100644 --- a/buffered_file.c +++ b/buffered_file.c @@ -206,20 +206,23 @@ static int buffered_rate_limit(void *opaque) return 0; } -static size_t buffered_set_rate_limit(void *opaque, size_t new_rate) +static int64_t buffered_set_rate_limit(void *opaque, int64_t new_rate) { QEMUFileBuffered *s = opaque; - if (s->has_error) goto out; + if (new_rate > SIZE_MAX) { + new_rate = SIZE_MAX; + } + s->xfer_limit = new_rate / 10; out: return s->xfer_limit; } -static size_t buffered_get_rate_limit(void *opaque) +static int64_t buffered_get_rate_limit(void *opaque) { QEMUFileBuffered *s = opaque; @@ -39,8 +39,8 @@ typedef int (QEMUFileRateLimit)(void *opaque); * the new actual bandwidth. It should be new_rate if everything goes ok, and * the old rate otherwise */ -typedef size_t (QEMUFileSetRateLimit)(void *opaque, size_t new_rate); -typedef size_t (QEMUFileGetRateLimit)(void *opaque); +typedef int64_t (QEMUFileSetRateLimit)(void *opaque, int64_t new_rate); +typedef int64_t (QEMUFileGetRateLimit)(void *opaque); QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer, QEMUFileGetBufferFunc *get_buffer, @@ -83,8 +83,8 @@ unsigned int qemu_get_be16(QEMUFile *f); unsigned int qemu_get_be32(QEMUFile *f); uint64_t qemu_get_be64(QEMUFile *f); int qemu_file_rate_limit(QEMUFile *f); -size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate); -size_t qemu_file_get_rate_limit(QEMUFile *f); +int64_t qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate); +int64_t qemu_file_get_rate_limit(QEMUFile *f); int qemu_file_has_error(QEMUFile *f); void qemu_file_set_error(QEMUFile *f); diff --git a/migration.c b/migration.c index 9ee8b17..622a9d2 100644 --- a/migration.c +++ b/migration.c @@ -32,7 +32,7 @@ #endif /* Migration speed throttling */ -static uint32_t max_throttle = (32 << 20); +static int64_t max_throttle = (32 << 20); static MigrationState *current_migration; @@ -136,7 +136,9 @@ int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data) FdMigrationState *s; d = qdict_get_int(qdict, "value"); - d = MAX(0, MIN(UINT32_MAX, d)); + if (d < 0) { + d = 0; + } max_throttle = d; s = migrate_to_fms(current_migration); @@ -611,7 +611,7 @@ int qemu_file_rate_limit(QEMUFile *f) return 0; } -size_t qemu_file_get_rate_limit(QEMUFile *f) +int64_t qemu_file_get_rate_limit(QEMUFile *f) { if (f->get_rate_limit) return f->get_rate_limit(f->opaque); @@ -619,7 +619,7 @@ size_t qemu_file_get_rate_limit(QEMUFile *f) return 0; } -size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate) +int64_t qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate) { /* any failed or completed migration keeps its state to allow probing of * migration data, but has no associated file anymore */ |