aboutsummaryrefslogtreecommitdiffstats
path: root/block/coroutines.h
diff options
context:
space:
mode:
Diffstat (limited to 'block/coroutines.h')
-rw-r--r--block/coroutines.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/block/coroutines.h b/block/coroutines.h
new file mode 100644
index 000000000..c8c14a29c
--- /dev/null
+++ b/block/coroutines.h
@@ -0,0 +1,108 @@
+/*
+ * Block layer I/O functions
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef BLOCK_COROUTINES_INT_H
+#define BLOCK_COROUTINES_INT_H
+
+#include "block/block_int.h"
+
+/* For blk_bs() in generated block/block-gen.c */
+#include "sysemu/block-backend.h"
+
+int coroutine_fn bdrv_co_check(BlockDriverState *bs,
+ BdrvCheckResult *res, BdrvCheckMode fix);
+int coroutine_fn bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp);
+
+int generated_co_wrapper
+bdrv_preadv(BdrvChild *child, int64_t offset, unsigned int bytes,
+ QEMUIOVector *qiov, BdrvRequestFlags flags);
+int generated_co_wrapper
+bdrv_pwritev(BdrvChild *child, int64_t offset, unsigned int bytes,
+ QEMUIOVector *qiov, BdrvRequestFlags flags);
+
+int coroutine_fn
+bdrv_co_common_block_status_above(BlockDriverState *bs,
+ BlockDriverState *base,
+ bool include_base,
+ bool want_zero,
+ int64_t offset,
+ int64_t bytes,
+ int64_t *pnum,
+ int64_t *map,
+ BlockDriverState **file,
+ int *depth);
+int generated_co_wrapper
+bdrv_common_block_status_above(BlockDriverState *bs,
+ BlockDriverState *base,
+ bool include_base,
+ bool want_zero,
+ int64_t offset,
+ int64_t bytes,
+ int64_t *pnum,
+ int64_t *map,
+ BlockDriverState **file,
+ int *depth);
+
+int coroutine_fn bdrv_co_readv_vmstate(BlockDriverState *bs,
+ QEMUIOVector *qiov, int64_t pos);
+int coroutine_fn bdrv_co_writev_vmstate(BlockDriverState *bs,
+ QEMUIOVector *qiov, int64_t pos);
+
+int generated_co_wrapper
+nbd_do_establish_connection(BlockDriverState *bs, Error **errp);
+int coroutine_fn
+nbd_co_do_establish_connection(BlockDriverState *bs, Error **errp);
+
+
+int generated_co_wrapper
+blk_do_preadv(BlockBackend *blk, int64_t offset, int64_t bytes,
+ QEMUIOVector *qiov, BdrvRequestFlags flags);
+int coroutine_fn
+blk_co_do_preadv(BlockBackend *blk, int64_t offset, int64_t bytes,
+ QEMUIOVector *qiov, BdrvRequestFlags flags);
+
+
+int generated_co_wrapper
+blk_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes,
+ QEMUIOVector *qiov, size_t qiov_offset,
+ BdrvRequestFlags flags);
+int coroutine_fn
+blk_co_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes,
+ QEMUIOVector *qiov, size_t qiov_offset,
+ BdrvRequestFlags flags);
+
+int generated_co_wrapper
+blk_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
+int coroutine_fn
+blk_co_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
+
+int generated_co_wrapper
+blk_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
+int coroutine_fn
+blk_co_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
+
+int generated_co_wrapper blk_do_flush(BlockBackend *blk);
+int coroutine_fn blk_co_do_flush(BlockBackend *blk);
+
+#endif /* BLOCK_COROUTINES_INT_H */