osdep: Move memalign-related functions to their own header

Move the various memalign-related functions out of osdep.h and into
their own header, which we include only where they are used.
While we're doing this, add some brief documentation comments.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220226180723.1706285-10-peter.maydell@linaro.org

29 files changed, 29 insertions, 0 deletions

diff --git a/block/blkverify.c b/block/blkverify.c
index d1facf5ba9..53ba1c9195 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -16,6 +16,7 @@
 #include "qemu/cutils.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
+#include "qemu/memalign.h"
 
 typedef struct {
     BdrvChild *test_file;
diff --git a/block/block-copy.c b/block/block-copy.c
index ce116318b5..619e5580fa 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -22,6 +22,7 @@
 #include "qemu/coroutine.h"
 #include "block/aio_task.h"
 #include "qemu/error-report.h"
+#include "qemu/memalign.h"
 
 #define BLOCK_COPY_MAX_COPY_RANGE (16 * MiB)
 #define BLOCK_COPY_MAX_BUFFER (1 * MiB)
diff --git a/block/commit.c b/block/commit.c
index c76899f640..851d1c557a 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -20,6 +20,7 @@
 #include "qapi/error.h"
 #include "qapi/qmp/qerror.h"
 #include "qemu/ratelimit.h"
+#include "qemu/memalign.h"
 #include "sysemu/block-backend.h"
 
 enum {
diff --git a/block/crypto.c b/block/crypto.c
index 9d5fecbef8..1ba82984ef 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -31,6 +31,7 @@
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 #include "crypto.h"
 
 typedef struct BlockCrypto BlockCrypto;
diff --git a/block/dmg.c b/block/dmg.c
index 447901fbb8..c626587f9c 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -27,6 +27,7 @@
 #include "qemu/bswap.h"
 #include "qemu/error-report.h"
 #include "qemu/module.h"
+#include "qemu/memalign.h"
 #include "dmg.h"
 
 int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in,
diff --git a/block/export/fuse.c b/block/export/fuse.c
index 5029e70f84..e80b24a867 100644
--- a/block/export/fuse.c
+++ b/block/export/fuse.c
@@ -19,6 +19,7 @@
 #define FUSE_USE_VERSION 31
 
 #include "qemu/osdep.h"
+#include "qemu/memalign.h"
 #include "block/aio.h"
 #include "block/block.h"
 #include "block/export.h"
diff --git a/block/file-posix.c b/block/file-posix.c
index 1f1756e192..c000a61db2 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -31,6 +31,7 @@
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/units.h"
+#include "qemu/memalign.h"
 #include "trace.h"
 #include "block/thread-pool.h"
 #include "qemu/iov.h"
diff --git a/block/io.c b/block/io.c
index efc011ce65..8e621a4946 100644
--- a/block/io.c
+++ b/block/io.c
@@ -32,6 +32,7 @@
 #include "block/coroutines.h"
 #include "block/write-threshold.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
 #include "qemu/main-loop.h"
diff --git a/block/mirror.c b/block/mirror.c
index ce6bc58d1f..d8ecb9efa2 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -23,6 +23,7 @@
 #include "qapi/qmp/qerror.h"
 #include "qemu/ratelimit.h"
 #include "qemu/bitmap.h"
+#include "qemu/memalign.h"
 
 #define MAX_IN_FLIGHT 16
 #define MAX_IO_BYTES (1 << 20) /* 1 Mb */
diff --git a/block/nvme.c b/block/nvme.c
index dd20de3865..552029931d 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -21,6 +21,7 @@
 #include "qemu/module.h"
 #include "qemu/cutils.h"
 #include "qemu/option.h"
+#include "qemu/memalign.h"
 #include "qemu/vfio-helpers.h"
 #include "block/block_int.h"
 #include "sysemu/replay.h"
diff --git a/block/parallels-ext.c b/block/parallels-ext.c
index e0dd0975c6..cb22a427d7 100644
--- a/block/parallels-ext.c
+++ b/block/parallels-ext.c
@@ -29,6 +29,7 @@
 #include "parallels.h"
 #include "crypto/hash.h"
 #include "qemu/uuid.h"
+#include "qemu/memalign.h"
 
 #define PARALLELS_FORMAT_EXTENSION_MAGIC 0xAB234CEF23DCEA87ULL
 
diff --git a/block/parallels.c b/block/parallels.c
index e58c828422..cd23e02d06 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -41,6 +41,7 @@
 #include "qapi/qapi-visit-block-core.h"
 #include "qemu/bswap.h"
 #include "qemu/bitmap.h"
+#include "qemu/memalign.h"
 #include "migration/blocker.h"
 #include "parallels.h"
 
diff --git a/block/qcow.c b/block/qcow.c
index c39940f33e..4fba1b9e36 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -32,6 +32,7 @@
 #include "qemu/option.h"
 #include "qemu/bswap.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 #include <zlib.h>
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qstring.h"
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 7444b9c4ab..8a0105911f 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/memalign.h"
 #include "qcow2.h"
 #include "trace.h"
 
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 21884a1ab9..20a16ba6ee 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -28,6 +28,7 @@
 #include "qapi/error.h"
 #include "qcow2.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 #include "trace.h"
 
 int qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t exact_size)
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 4614572252..94033972be 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -28,6 +28,7 @@
 #include "qemu/range.h"
 #include "qemu/bswap.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 #include "trace.h"
 
 static int64_t alloc_clusters_noref(BlockDriverState *bs, uint64_t size,
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index 71ddb08c21..075269a023 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -29,6 +29,7 @@
 #include "qemu/bswap.h"
 #include "qemu/error-report.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 
 static void qcow2_free_single_snapshot(BlockDriverState *bs, int i)
 {
diff --git a/block/qcow2.c b/block/qcow2.c
index c8115e1cba..b5c47931ef 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -38,6 +38,7 @@
 #include "qemu/option_int.h"
 #include "qemu/cutils.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/qapi-visit-block-core.h"
 #include "crypto.h"
diff --git a/block/qed-l2-cache.c b/block/qed-l2-cache.c
index b548362398..caf2c024c2 100644
--- a/block/qed-l2-cache.c
+++ b/block/qed-l2-cache.c
@@ -51,6 +51,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/memalign.h"
 #include "trace.h"
 #include "qed.h"
 
diff --git a/block/qed-table.c b/block/qed-table.c
index 405d446cbe..1cc844b1a5 100644
--- a/block/qed-table.c
+++ b/block/qed-table.c
@@ -17,6 +17,7 @@
 #include "qemu/sockets.h" /* for EINPROGRESS on Windows */
 #include "qed.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 
 /* Called with table_lock held.  */
 static int coroutine_fn qed_read_table(BDRVQEDState *s, uint64_t offset,
diff --git a/block/qed.c b/block/qed.c
index 558d3646c4..f34d9a3ac1 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -20,6 +20,7 @@
 #include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
+#include "qemu/memalign.h"
 #include "trace.h"
 #include "qed.h"
 #include "sysemu/block-backend.h"
diff --git a/block/quorum.c b/block/quorum.c
index c28dda7baa..f33f30d36b 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -17,6 +17,7 @@
 #include "qemu/cutils.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
+#include "qemu/memalign.h"
 #include "block/block_int.h"
 #include "block/coroutines.h"
 #include "block/qdict.h"
diff --git a/block/raw-format.c b/block/raw-format.c
index bda757fd19..69fd650eaf 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -31,6 +31,7 @@
 #include "qapi/error.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
+#include "qemu/memalign.h"
 
 typedef struct BDRVRawState {
     uint64_t offset;
diff --git a/block/vdi.c b/block/vdi.c
index bdc58d726e..cca3a3a356 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -64,6 +64,7 @@
 #include "qemu/coroutine.h"
 #include "qemu/cutils.h"
 #include "qemu/uuid.h"
+#include "qemu/memalign.h"
 
 /* Code configuration options. */
 
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index 7672161d95..ff0d4e0da0 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -23,6 +23,7 @@
 #include "block/block_int.h"
 #include "qemu/error-report.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 #include "vhdx.h"
 
 
diff --git a/block/vhdx.c b/block/vhdx.c
index 356ec4c455..410c6f9610 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -25,6 +25,7 @@
 #include "qemu/crc32c.h"
 #include "qemu/bswap.h"
 #include "qemu/error-report.h"
+#include "qemu/memalign.h"
 #include "vhdx.h"
 #include "migration/blocker.h"
 #include "qemu/uuid.h"
diff --git a/block/vmdk.c b/block/vmdk.c
index 0dfab6e941..37c0946066 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -33,6 +33,7 @@
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 #include "migration/blocker.h"
 #include "qemu/cutils.h"
 #include <zlib.h>
diff --git a/block/vpc.c b/block/vpc.c
index 297a26262a..4d8f16e199 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -33,6 +33,7 @@
 #include "migration/blocker.h"
 #include "qemu/bswap.h"
 #include "qemu/uuid.h"
+#include "qemu/memalign.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/qapi-visit-block-core.h"
diff --git a/block/win32-aio.c b/block/win32-aio.c
index c57e10c997..aadc7b1bc3 100644
--- a/block/win32-aio.c
+++ b/block/win32-aio.c
@@ -29,6 +29,7 @@
 #include "block/raw-aio.h"
 #include "qemu/event_notifier.h"
 #include "qemu/iov.h"
+#include "qemu/memalign.h"
 #include <windows.h>
 #include <winioctl.h>