Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into...

[mirror_qemu.git] / block / crypto.c

diff --git a/block/crypto.c b/block/crypto.c
index 396e529bb2bec9222488ba7d76437c5306481a09..b3f0233d53f6ec588dbea3ab0278e945a813c04a 100644 (file)
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -99,12 +99,10 @@ struct BlockCryptoCreateData {
 };
 
 
-static int block_crypto_create_write_func(QCryptoBlock *block,
-                                          size_t offset,
-                                          const uint8_t *buf,
-                                          size_t buflen,
-                                          void *opaque,
-                                          Error **errp)
+static int coroutine_fn GRAPH_UNLOCKED
+block_crypto_create_write_func(QCryptoBlock *block, size_t offset,
+                               const uint8_t *buf, size_t buflen, void *opaque,
+                               Error **errp)
 {
     struct BlockCryptoCreateData *data = opaque;
     ssize_t ret;
@@ -117,10 +115,9 @@ static int block_crypto_create_write_func(QCryptoBlock *block,
     return 0;
 }
 
-static int block_crypto_create_init_func(QCryptoBlock *block,
-                                         size_t headerlen,
-                                         void *opaque,
-                                         Error **errp)
+static int coroutine_fn GRAPH_UNLOCKED
+block_crypto_create_init_func(QCryptoBlock *block, size_t headerlen,
+                              void *opaque, Error **errp)
 {
     struct BlockCryptoCreateData *data = opaque;
     Error *local_error = NULL;
@@ -314,19 +311,18 @@ static int block_crypto_open_generic(QCryptoBlockFormat format,
 }
 
 
-static int block_crypto_co_create_generic(BlockDriverState *bs,
-                                          int64_t size,
-                                          QCryptoBlockCreateOptions *opts,
-                                          PreallocMode prealloc,
-                                          Error **errp)
+static int coroutine_fn GRAPH_UNLOCKED
+block_crypto_co_create_generic(BlockDriverState *bs, int64_t size,
+                               QCryptoBlockCreateOptions *opts,
+                               PreallocMode prealloc, Error **errp)
 {
     int ret;
     BlockBackend *blk;
     QCryptoBlock *crypto = NULL;
     struct BlockCryptoCreateData data;
 
-    blk = blk_new_with_bs(bs, BLK_PERM_WRITE | BLK_PERM_RESIZE, BLK_PERM_ALL,
-                          errp);
+    blk = blk_co_new_with_bs(bs, BLK_PERM_WRITE | BLK_PERM_RESIZE, BLK_PERM_ALL,
+                             errp);
     if (!blk) {
         ret = -EPERM;
         goto cleanup;
@@ -356,11 +352,11 @@ static int block_crypto_co_create_generic(BlockDriverState *bs,
     ret = 0;
  cleanup:
     qcrypto_block_free(crypto);
-    blk_unref(blk);
+    blk_co_unref(blk);
     return ret;
 }
 
-static int coroutine_fn
+static int coroutine_fn GRAPH_RDLOCK
 block_crypto_co_truncate(BlockDriverState *bs, int64_t offset, bool exact,
                          PreallocMode prealloc, BdrvRequestFlags flags,
                          Error **errp)
@@ -398,7 +394,7 @@ static int block_crypto_reopen_prepare(BDRVReopenState *state,
  */
 #define BLOCK_CRYPTO_MAX_IO_SIZE (1024 * 1024)
 
-static coroutine_fn int
+static int coroutine_fn GRAPH_RDLOCK
 block_crypto_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
                        QEMUIOVector *qiov, BdrvRequestFlags flags)
 {
@@ -411,7 +407,6 @@ block_crypto_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
     uint64_t sector_size = qcrypto_block_get_sector_size(crypto->block);
     uint64_t payload_offset = qcrypto_block_get_payload_offset(crypto->block);
 
-    assert(!flags);
     assert(payload_offset < INT64_MAX);
     assert(QEMU_IS_ALIGNED(offset, sector_size));
     assert(QEMU_IS_ALIGNED(bytes, sector_size));
@@ -461,7 +456,7 @@ block_crypto_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
 }
 
 
-static coroutine_fn int
+static int coroutine_fn GRAPH_RDLOCK
 block_crypto_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
                         QEMUIOVector *qiov, BdrvRequestFlags flags)
 {
@@ -474,7 +469,8 @@ block_crypto_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
     uint64_t sector_size = qcrypto_block_get_sector_size(crypto->block);
     uint64_t payload_offset = qcrypto_block_get_payload_offset(crypto->block);
 
-    assert(!(flags & ~BDRV_REQ_FUA));
+    flags &= ~BDRV_REQ_REGISTERED_BUF;
+
     assert(payload_offset < INT64_MAX);
     assert(QEMU_IS_ALIGNED(offset, sector_size));
     assert(QEMU_IS_ALIGNED(bytes, sector_size));
@@ -531,10 +527,11 @@ static void block_crypto_refresh_limits(BlockDriverState *bs, Error **errp)
 }
 
 
-static int64_t block_crypto_getlength(BlockDriverState *bs)
+static int64_t coroutine_fn GRAPH_RDLOCK
+block_crypto_co_getlength(BlockDriverState *bs)
 {
     BlockCrypto *crypto = bs->opaque;
-    int64_t len = bdrv_getlength(bs->file->bs);
+    int64_t len = bdrv_co_getlength(bs->file->bs);
 
     uint64_t offset = qcrypto_block_get_payload_offset(crypto->block);
     assert(offset < INT64_MAX);
@@ -627,7 +624,7 @@ static int block_crypto_open_luks(BlockDriverState *bs,
                                      bs, options, flags, errp);
 }
 
-static int coroutine_fn
+static int coroutine_fn GRAPH_UNLOCKED
 block_crypto_co_create_luks(BlockdevCreateOptions *create_options, Error **errp)
 {
     BlockdevCreateOptionsLUKS *luks_opts;
@@ -639,7 +636,7 @@ block_crypto_co_create_luks(BlockdevCreateOptions *create_options, Error **errp)
     assert(create_options->driver == BLOCKDEV_DRIVER_LUKS);
     luks_opts = &create_options->u.luks;
 
-    bs = bdrv_open_blockdev_ref(luks_opts->file, errp);
+    bs = bdrv_co_open_blockdev_ref(luks_opts->file, errp);
     if (bs == NULL) {
         return -EIO;
     }
@@ -661,14 +658,13 @@ block_crypto_co_create_luks(BlockdevCreateOptions *create_options, Error **errp)
 
     ret = 0;
 fail:
-    bdrv_unref(bs);
+    bdrv_co_unref(bs);
     return ret;
 }
 
-static int coroutine_fn block_crypto_co_create_opts_luks(BlockDriver *drv,
-                                                         const char *filename,
-                                                         QemuOpts *opts,
-                                                         Error **errp)
+static int coroutine_fn GRAPH_UNLOCKED
+block_crypto_co_create_opts_luks(BlockDriver *drv, const char *filename,
+                                 QemuOpts *opts, Error **errp)
 {
     QCryptoBlockCreateOptions *create_opts = NULL;
     BlockDriverState *bs = NULL;
@@ -703,13 +699,13 @@ static int coroutine_fn block_crypto_co_create_opts_luks(BlockDriver *drv,
     }
 
     /* Create protocol layer */
-    ret = bdrv_create_file(filename, opts, errp);
+    ret = bdrv_co_create_file(filename, opts, errp);
     if (ret < 0) {
         goto fail;
     }
 
-    bs = bdrv_open(filename, NULL, NULL,
-                   BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL, errp);
+    bs = bdrv_co_open(filename, NULL, NULL,
+                      BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL, errp);
     if (!bs) {
         ret = -EINVAL;
         goto fail;
@@ -728,22 +724,24 @@ fail:
      * beforehand, it has been truncated and corrupted in the process.
      */
     if (ret) {
+        bdrv_graph_co_rdlock();
         bdrv_co_delete_file_noerr(bs);
+        bdrv_graph_co_rdunlock();
     }
 
-    bdrv_unref(bs);
+    bdrv_co_unref(bs);
     qapi_free_QCryptoBlockCreateOptions(create_opts);
     qobject_unref(cryptoopts);
     return ret;
 }
 
-static int block_crypto_get_info_luks(BlockDriverState *bs,
-                                      BlockDriverInfo *bdi)
+static int coroutine_fn GRAPH_RDLOCK
+block_crypto_co_get_info_luks(BlockDriverState *bs, BlockDriverInfo *bdi)
 {
     BlockDriverInfo subbdi;
     int ret;
 
-    ret = bdrv_get_info(bs->file->bs, &subbdi);
+    ret = bdrv_co_get_info(bs->file->bs, &subbdi);
     if (ret != 0) {
         return ret;
     }
@@ -779,7 +777,7 @@ block_crypto_get_specific_info_luks(BlockDriverState *bs, Error **errp)
     return spec_info;
 }
 
-static int
+static int GRAPH_RDLOCK
 block_crypto_amend_prepare(BlockDriverState *bs, Error **errp)
 {
     BlockCrypto *crypto = bs->opaque;
@@ -795,7 +793,7 @@ block_crypto_amend_prepare(BlockDriverState *bs, Error **errp)
     return ret;
 }
 
-static void
+static void GRAPH_RDLOCK
 block_crypto_amend_cleanup(BlockDriverState *bs)
 {
     BlockCrypto *crypto = bs->opaque;
@@ -830,7 +828,7 @@ block_crypto_amend_options_generic_luks(BlockDriverState *bs,
                                        errp);
 }
 
-static int
+static int GRAPH_RDLOCK
 block_crypto_amend_options_luks(BlockDriverState *bs,
                                 QemuOpts *opts,
                                 BlockDriverAmendStatusCB *status_cb,
@@ -953,9 +951,9 @@ static BlockDriver bdrv_crypto_luks = {
     .bdrv_refresh_limits = block_crypto_refresh_limits,
     .bdrv_co_preadv     = block_crypto_co_preadv,
     .bdrv_co_pwritev    = block_crypto_co_pwritev,
-    .bdrv_getlength     = block_crypto_getlength,
+    .bdrv_co_getlength  = block_crypto_co_getlength,
     .bdrv_measure       = block_crypto_measure,
-    .bdrv_get_info      = block_crypto_get_info_luks,
+    .bdrv_co_get_info   = block_crypto_co_get_info_luks,
     .bdrv_get_specific_info = block_crypto_get_specific_info_luks,
     .bdrv_amend_options = block_crypto_amend_options_luks,
     .bdrv_co_amend      = block_crypto_co_amend_luks,