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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/blk/kernel/io_uring.h
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/blk/kernel/io_uring.h')
-rw-r--r--src/blk/kernel/io_uring.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/blk/kernel/io_uring.h b/src/blk/kernel/io_uring.h
new file mode 100644
index 000000000..e7d0acde0
--- /dev/null
+++ b/src/blk/kernel/io_uring.h
@@ -0,0 +1,33 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include "acconfig.h"
+
+#include "include/types.h"
+#include "aio/aio.h"
+
+struct ioring_data;
+
+struct ioring_queue_t final : public io_queue_t {
+ std::unique_ptr<ioring_data> d;
+ unsigned iodepth = 0;
+ bool hipri = false;
+ bool sq_thread = false;
+
+ typedef std::list<aio_t>::iterator aio_iter;
+
+ // Returns true if arch is x86-64 and kernel supports io_uring
+ static bool supported();
+
+ ioring_queue_t(unsigned iodepth_, bool hipri_, bool sq_thread_);
+ ~ioring_queue_t() final;
+
+ int init(std::vector<int> &fds) final;
+ void shutdown() final;
+
+ int submit_batch(aio_iter begin, aio_iter end, uint16_t aios_size,
+ void *priv, int *retries) final;
+ int get_next_completed(int timeout_ms, aio_t **paio, int max) final;
+};