[PATCH 2/5] block: extract include/qemu/aiocb.h out of include/block/aio.h

Paolo Bonzini posted 5 patches 1 week, 3 days ago
Maintainers: John Snow <jsnow@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Aarushi Mehta <mehta.aaru20@gmail.com>, Julia Suvorova <jusual@redhat.com>, Stefano Garzarella <sgarzare@redhat.com>, Stefan Weil <sw@weilnetz.de>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Greg Kurz <groug@kaod.org>, Phil Dennis-Jordan <phil@philjordan.eu>, "Michael S. Tsirkin" <mst@redhat.com>, Eric Blake <eblake@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Alberto Garcia <berto@igalia.com>, "Alex Bennée" <alex.bennee@linaro.org>, Zhang Chen <zhangckid@gmail.com>, Li Zhijian <lizhijian@fujitsu.com>, Jason Wang <jasowang@redhat.com>, Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>, Coiby Xu <Coiby.Xu@gmail.com>
[PATCH 2/5] block: extract include/qemu/aiocb.h out of include/block/aio.h
Posted by Paolo Bonzini 1 week, 3 days ago
Create a new header corresponding to functions defined in
util/aiocb.c, and include it whenever AIOCBs are used but
AioContext is not.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 fsdev/qemu-fsdev-throttle.h        |  1 -
 include/block/aio.h                | 21 -----------------
 include/block/block-global-state.h |  1 +
 include/block/block-io.h           |  1 +
 include/block/block_int-common.h   |  2 +-
 include/block/raw-aio.h            |  1 +
 include/block/thread-pool.h        |  1 +
 include/hw/ide/ide-dma.h           |  2 +-
 include/hw/scsi/scsi.h             |  1 +
 include/qemu/aiocb.h               | 38 ++++++++++++++++++++++++++++++
 include/qemu/job.h                 |  1 +
 include/qemu/throttle.h            |  1 +
 block/win32-aio.c                  |  1 +
 hw/core/ptimer.c                   |  1 -
 hw/misc/i2c-echo.c                 |  1 -
 hw/virtio/virtio-pmem.c            |  1 -
 scsi/qemu-pr-helper.c              |  1 -
 tests/unit/test-thread-pool.c      |  1 +
 ui/input-linux.c                   |  1 -
 ui/vnc-jobs.c                      |  1 -
 util/aiocb.c                       |  2 +-
 21 files changed, 50 insertions(+), 31 deletions(-)
 create mode 100644 include/qemu/aiocb.h

diff --git a/fsdev/qemu-fsdev-throttle.h b/fsdev/qemu-fsdev-throttle.h
index daa8ca2494d..a1dc0307903 100644
--- a/fsdev/qemu-fsdev-throttle.h
+++ b/fsdev/qemu-fsdev-throttle.h
@@ -15,7 +15,6 @@
 #ifndef QEMU_FSDEV_THROTTLE_H
 #define QEMU_FSDEV_THROTTLE_H
 
-#include "block/aio.h"
 #include "qemu/coroutine.h"
 #include "qemu/throttle.h"
 
diff --git a/include/block/aio.h b/include/block/aio.h
index cc3d5f25a24..59c56d695ee 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -27,27 +27,6 @@
 #include "hw/core/qdev.h"
 
 
-typedef struct BlockAIOCB BlockAIOCB;
-typedef void BlockCompletionFunc(void *opaque, int ret);
-
-typedef struct AIOCBInfo {
-    void (*cancel_async)(BlockAIOCB *acb);
-    size_t aiocb_size;
-} AIOCBInfo;
-
-struct BlockAIOCB {
-    const AIOCBInfo *aiocb_info;
-    BlockDriverState *bs;
-    BlockCompletionFunc *cb;
-    void *opaque;
-    int refcnt;
-};
-
-void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
-                   BlockCompletionFunc *cb, void *opaque);
-void qemu_aio_unref(void *p);
-void qemu_aio_ref(void *p);
-
 typedef struct AioHandler AioHandler;
 typedef QLIST_HEAD(, AioHandler) AioHandlerList;
 typedef void QEMUBHFunc(void *opaque);
diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h
index 479ca2858e1..c2127f17249 100644
--- a/include/block/block-global-state.h
+++ b/include/block/block-global-state.h
@@ -24,6 +24,7 @@
 #ifndef BLOCK_GLOBAL_STATE_H
 #define BLOCK_GLOBAL_STATE_H
 
+#include "qemu/aiocb.h"
 #include "block/block-common.h"
 #include "qemu/coroutine.h"
 #include "qemu/transactions.h"
diff --git a/include/block/block-io.h b/include/block/block-io.h
index 4cf83fb3674..e5efe0efb2f 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -24,6 +24,7 @@
 #ifndef BLOCK_IO_H
 #define BLOCK_IO_H
 
+#include "qemu/aiocb.h"
 #include "block/aio-wait.h"
 #include "block/block-common.h"
 #include "qemu/coroutine.h"
diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
index cb0143ea77b..6d0898e53d1 100644
--- a/include/block/block_int-common.h
+++ b/include/block/block_int-common.h
@@ -24,10 +24,10 @@
 #ifndef BLOCK_INT_COMMON_H
 #define BLOCK_INT_COMMON_H
 
-#include "block/aio.h"
 #include "block/block-common.h"
 #include "block/block-global-state.h"
 #include "block/snapshot.h"
+#include "qemu/aiocb.h"
 #include "qemu/iov.h"
 #include "qemu/rcu.h"
 #include "qemu/stats64.h"
diff --git a/include/block/raw-aio.h b/include/block/raw-aio.h
index 30e5fc9a9fd..d568b887f1c 100644
--- a/include/block/raw-aio.h
+++ b/include/block/raw-aio.h
@@ -16,6 +16,7 @@
 #ifndef QEMU_RAW_AIO_H
 #define QEMU_RAW_AIO_H
 
+#include "qemu/aiocb.h"
 #include "block/aio.h"
 #include "block/block-common.h"
 #include "qemu/iov.h"
diff --git a/include/block/thread-pool.h b/include/block/thread-pool.h
index dd48cf07e85..65cabfc1388 100644
--- a/include/block/thread-pool.h
+++ b/include/block/thread-pool.h
@@ -18,6 +18,7 @@
 #ifndef QEMU_THREAD_POOL_H
 #define QEMU_THREAD_POOL_H
 
+#include "qemu/aiocb.h"
 #include "block/aio.h"
 
 #define THREAD_POOL_MAX_THREADS_DEFAULT         64
diff --git a/include/hw/ide/ide-dma.h b/include/hw/ide/ide-dma.h
index d0b19ac9c57..296010a4e0d 100644
--- a/include/hw/ide/ide-dma.h
+++ b/include/hw/ide/ide-dma.h
@@ -1,7 +1,7 @@
 #ifndef HW_IDE_DMA_H
 #define HW_IDE_DMA_H
 
-#include "block/aio.h"
+#include "qemu/aiocb.h"
 #include "qemu/iov.h"
 
 typedef struct IDEState IDEState;
diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index 83782339d4b..75b4d781a5c 100644
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -1,6 +1,7 @@
 #ifndef QEMU_HW_SCSI_H
 #define QEMU_HW_SCSI_H
 
+#include "qemu/aiocb.h"
 #include "block/aio.h"
 #include "hw/block/block.h"
 #include "hw/core/qdev.h"
diff --git a/include/qemu/aiocb.h b/include/qemu/aiocb.h
new file mode 100644
index 00000000000..0622646f31d
--- /dev/null
+++ b/include/qemu/aiocb.h
@@ -0,0 +1,38 @@
+/*
+ * Data structures representing asynchronous I/O operations
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_AIOCB_H
+#define QEMU_AIOCB_H
+
+typedef struct BlockAIOCB BlockAIOCB;
+typedef void BlockCompletionFunc(void *opaque, int ret);
+
+typedef struct AIOCBInfo {
+    void (*cancel_async)(BlockAIOCB *acb);
+    size_t aiocb_size;
+} AIOCBInfo;
+
+struct BlockAIOCB {
+    const AIOCBInfo *aiocb_info;
+    BlockDriverState *bs;
+    BlockCompletionFunc *cb;
+    void *opaque;
+    int refcnt;
+};
+
+void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
+                   BlockCompletionFunc *cb, void *opaque);
+void qemu_aio_unref(void *p);
+void qemu_aio_ref(void *p);
+
+#endif
diff --git a/include/qemu/job.h b/include/qemu/job.h
index ead31578d3d..af29b8c6531 100644
--- a/include/qemu/job.h
+++ b/include/qemu/job.h
@@ -27,6 +27,7 @@
 #define JOB_H
 
 #include "qapi/qapi-types-job.h"
+#include "qemu/aiocb.h"
 #include "qemu/queue.h"
 #include "qemu/progress_meter.h"
 #include "qemu/coroutine.h"
diff --git a/include/qemu/throttle.h b/include/qemu/throttle.h
index 181245d29bc..8fa2b29452a 100644
--- a/include/qemu/throttle.h
+++ b/include/qemu/throttle.h
@@ -25,6 +25,7 @@
 #ifndef THROTTLE_H
 #define THROTTLE_H
 
+#include "block/aio.h"
 #include "qapi/qapi-types-block-core.h"
 #include "qemu/timer.h"
 
diff --git a/block/win32-aio.c b/block/win32-aio.c
index f0689f3ee95..539f1c81c65 100644
--- a/block/win32-aio.c
+++ b/block/win32-aio.c
@@ -28,6 +28,7 @@
 #include "block/block_int.h"
 #include "block/aio.h"
 #include "block/raw-aio.h"
+#include "qemu/aiocb.h"
 #include "qemu/event_notifier.h"
 #include "qemu/iov.h"
 #include "qemu/memalign.h"
diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c
index e42e06fa4de..0cbe1ed5787 100644
--- a/hw/core/ptimer.c
+++ b/hw/core/ptimer.c
@@ -13,7 +13,6 @@
 #include "exec/replay-core.h"
 #include "exec/icount.h"
 #include "system/qtest.h"
-#include "block/aio.h"
 #include "hw/core/clock.h"
 
 #define DELTA_ADJUST     1
diff --git a/hw/misc/i2c-echo.c b/hw/misc/i2c-echo.c
index 2bb99ec0dbf..54d07db6fae 100644
--- a/hw/misc/i2c-echo.c
+++ b/hw/misc/i2c-echo.c
@@ -11,7 +11,6 @@
 #include "qemu/osdep.h"
 #include "qemu/timer.h"
 #include "qemu/main-loop.h"
-#include "block/aio.h"
 #include "hw/i2c/i2c.h"
 #include "trace.h"
 
diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c
index 854d08abf6e..5381d592824 100644
--- a/hw/virtio/virtio-pmem.c
+++ b/hw/virtio/virtio-pmem.c
@@ -22,7 +22,6 @@
 #include "standard-headers/linux/virtio_ids.h"
 #include "standard-headers/linux/virtio_pmem.h"
 #include "system/hostmem.h"
-#include "block/aio.h"
 #include "block/thread-pool.h"
 #include "trace.h"
 
diff --git a/scsi/qemu-pr-helper.c b/scsi/qemu-pr-helper.c
index 074b4db4720..9dcd3ec7111 100644
--- a/scsi/qemu-pr-helper.c
+++ b/scsi/qemu-pr-helper.c
@@ -52,7 +52,6 @@
 #include "trace/control.h"
 #include "qemu-version.h"
 
-#include "block/aio.h"
 #include "block/thread-pool.h"
 
 #include "scsi/constants.h"
diff --git a/tests/unit/test-thread-pool.c b/tests/unit/test-thread-pool.c
index 33407b595d3..ea5234f9f48 100644
--- a/tests/unit/test-thread-pool.c
+++ b/tests/unit/test-thread-pool.c
@@ -3,6 +3,7 @@
 #include "block/thread-pool.h"
 #include "block/block.h"
 #include "qapi/error.h"
+#include "qemu/aiocb.h"
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
 #include "qemu/main-loop.h"
diff --git a/ui/input-linux.c b/ui/input-linux.c
index 44d0c15a9b7..c16726a3b79 100644
--- a/ui/input-linux.c
+++ b/ui/input-linux.c
@@ -13,7 +13,6 @@
 #include "ui/input.h"
 #include "qom/object_interfaces.h"
 #include "system/iothread.h"
-#include "block/aio.h"
 
 #include <sys/ioctl.h>
 #include "standard-headers/linux/input.h"
diff --git a/ui/vnc-jobs.c b/ui/vnc-jobs.c
index bed33950a87..b296d19e089 100644
--- a/ui/vnc-jobs.c
+++ b/ui/vnc-jobs.c
@@ -31,7 +31,6 @@
 #include "vnc-jobs.h"
 #include "qemu/sockets.h"
 #include "qemu/main-loop.h"
-#include "block/aio.h"
 #include "trace.h"
 
 /*
diff --git a/util/aiocb.c b/util/aiocb.c
index 5aef3a069c8..d1a581080d3 100644
--- a/util/aiocb.c
+++ b/util/aiocb.c
@@ -23,7 +23,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "block/aio.h"
+#include "qemu/aiocb.h"
 
 void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
                    BlockCompletionFunc *cb, void *opaque)
-- 
2.52.0
Re: [PATCH 2/5] block: extract include/qemu/aiocb.h out of include/block/aio.h
Posted by Philippe Mathieu-Daudé 1 week, 2 days ago
On 3/12/25 19:51, Paolo Bonzini wrote:
> Create a new header corresponding to functions defined in
> util/aiocb.c, and include it whenever AIOCBs are used but
> AioContext is not.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>   fsdev/qemu-fsdev-throttle.h        |  1 -
>   include/block/aio.h                | 21 -----------------
>   include/block/block-global-state.h |  1 +
>   include/block/block-io.h           |  1 +
>   include/block/block_int-common.h   |  2 +-
>   include/block/raw-aio.h            |  1 +
>   include/block/thread-pool.h        |  1 +
>   include/hw/ide/ide-dma.h           |  2 +-
>   include/hw/scsi/scsi.h             |  1 +
>   include/qemu/aiocb.h               | 38 ++++++++++++++++++++++++++++++
>   include/qemu/job.h                 |  1 +
>   include/qemu/throttle.h            |  1 +
>   block/win32-aio.c                  |  1 +
>   hw/core/ptimer.c                   |  1 -
>   hw/misc/i2c-echo.c                 |  1 -
>   hw/virtio/virtio-pmem.c            |  1 -
>   scsi/qemu-pr-helper.c              |  1 -
>   tests/unit/test-thread-pool.c      |  1 +
>   ui/input-linux.c                   |  1 -
>   ui/vnc-jobs.c                      |  1 -
>   util/aiocb.c                       |  2 +-
>   21 files changed, 50 insertions(+), 31 deletions(-)
>   create mode 100644 include/qemu/aiocb.h

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>