Merge tag 'pull-block-2023-09-01' of https://gitlab.com/hreitz/qemu into staging

[mirror_qemu.git] / migration / qemu-file.h

diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index de3f0660142b92535dcc43f2ad4ac79749d20a07..47015f520117a1d502799388091195efd1901b5e 100644 (file)
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -55,15 +55,6 @@ typedef size_t (QEMURamSaveFunc)(QEMUFile *f,
                                  size_t size,
                                  uint64_t *bytes_sent);
 
-/*
- * Return a QEMUFile for comms in the opposite direction
- */
-typedef QEMUFile *(QEMURetPathFunc)(void *opaque);
-
-typedef struct QEMUFileOps {
-    QEMURetPathFunc *get_return_path;
-} QEMUFileOps;
-
 typedef struct QEMUFileHooks {
     QEMURamHookFunc *before_ram_iterate;
     QEMURamHookFunc *after_ram_iterate;
@@ -71,13 +62,13 @@ typedef struct QEMUFileHooks {
     QEMURamSaveFunc *save_page;
 } QEMUFileHooks;
 
-QEMUFile *qemu_file_new_input(QIOChannel *ioc, const QEMUFileOps *ops);
-QEMUFile *qemu_file_new_output(QIOChannel *ioc, const QEMUFileOps *ops);
+QEMUFile *qemu_file_new_input(QIOChannel *ioc);
+QEMUFile *qemu_file_new_output(QIOChannel *ioc);
 void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks);
 int qemu_fclose(QEMUFile *f);
 
 /*
- * qemu_file_total_transferred:
+ * qemu_file_transferred:
  *
  * Report the total number of bytes transferred with
  * this file.
@@ -92,19 +83,18 @@ int qemu_fclose(QEMUFile *f);
  *
  * Returns: the total bytes transferred
  */
-int64_t qemu_file_total_transferred(QEMUFile *f);
+uint64_t qemu_file_transferred(QEMUFile *f);
 
 /*
- * qemu_file_total_transferred_fast:
+ * qemu_file_transferred_noflush:
  *
- * As qemu_file_total_transferred except for writable
- * files, where no flush is performed and the reported
- * amount will include the size of any queued buffers,
- * on top of the amount actually transferred.
+ * As qemu_file_transferred except for writable files, where no flush
+ * is performed and the reported amount will include the size of any
+ * queued buffers, on top of the amount actually transferred.
  *
  * Returns: the total bytes transferred and queued
  */
-int64_t qemu_file_total_transferred_fast(QEMUFile *f);
+uint64_t qemu_file_transferred_noflush(QEMUFile *f);
 
 /*
  * put_buffer without copying the buffer.
@@ -112,23 +102,22 @@ int64_t qemu_file_total_transferred_fast(QEMUFile *f);
  */
 void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, size_t size,
                            bool may_free);
-bool qemu_file_mode_is_not_valid(const char *mode);
-bool qemu_file_is_writable(QEMUFile *f);
 
 #include "migration/qemu-file-types.h"
 
-size_t qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset);
-size_t qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size);
+size_t coroutine_mixed_fn qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset);
+size_t coroutine_mixed_fn qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size);
 ssize_t qemu_put_compression_data(QEMUFile *f, z_stream *stream,
                                   const uint8_t *p, size_t size);
 int qemu_put_qemu_file(QEMUFile *f_des, QEMUFile *f_src);
+bool qemu_file_buffer_empty(QEMUFile *file);
 
 /*
  * Note that you can only peek continuous bytes from where the current pointer
  * is; you aren't guaranteed to be able to peak to +n bytes unless you've
  * previously peeked +n-1.
  */
-int qemu_peek_byte(QEMUFile *f, int offset);
+int coroutine_mixed_fn qemu_peek_byte(QEMUFile *f, int offset);
 void qemu_file_skip(QEMUFile *f, int size);
 /*
  * qemu_file_credit_transfer:
@@ -138,24 +127,14 @@ void qemu_file_skip(QEMUFile *f, int size);
  * accounting information tracks the total migration traffic.
  */
 void qemu_file_credit_transfer(QEMUFile *f, size_t size);
-void qemu_file_reset_rate_limit(QEMUFile *f);
-/*
- * qemu_file_acct_rate_limit:
- *
- * Report on a number of bytes the have been transferred
- * out of band from the main file object I/O methods, and
- * need to be applied to the rate limiting calcuations
- */
-void qemu_file_acct_rate_limit(QEMUFile *f, int64_t len);
-void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
-int64_t qemu_file_get_rate_limit(QEMUFile *f);
-int qemu_file_get_error_obj(QEMUFile *f, Error **errp);
+int qemu_file_get_error_obj_any(QEMUFile *f1, QEMUFile *f2, Error **errp);
 void qemu_file_set_error_obj(QEMUFile *f, int ret, Error *err);
 void qemu_file_set_error(QEMUFile *f, int ret);
 int qemu_file_shutdown(QEMUFile *f);
 QEMUFile *qemu_file_get_return_path(QEMUFile *f);
 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);