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authorChristoph Hellwig <hch@lst.de>2022-11-14 05:29:42 +0100
committerJens Axboe <axboe@kernel.dk>2022-11-21 19:39:05 +0100
commitfce3caea0f241f5d34855c82c399d5e0e2d91f07 (patch)
tree5deb5097b8018bbfc94b72d6aebef23bd358a3b2 /block/blk-crypto.c
parentblk-cgroup: Flush stats at blkgs destruction path (diff)
downloadlinux-fce3caea0f241f5d34855c82c399d5e0e2d91f07.tar.xz
linux-fce3caea0f241f5d34855c82c399d5e0e2d91f07.zip
blk-crypto: don't use struct request_queue for public interfaces
Switch all public blk-crypto interfaces to use struct block_device arguments to specify the device they operate on instead of th request_queue, which is a block layer implementation detail. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20221114042944.1009870-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-crypto.c')
-rw-r--r--block/blk-crypto.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index a496aaef85ba..0047436b6337 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -354,20 +354,21 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
/*
* Check if bios with @cfg can be en/decrypted by blk-crypto (i.e. either the
- * request queue it's submitted to supports inline crypto, or the
+ * block_device it's submitted to supports inline crypto, or the
* blk-crypto-fallback is enabled and supports the cfg).
*/
-bool blk_crypto_config_supported(struct request_queue *q,
+bool blk_crypto_config_supported(struct block_device *bdev,
const struct blk_crypto_config *cfg)
{
return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
- __blk_crypto_cfg_supported(q->crypto_profile, cfg);
+ __blk_crypto_cfg_supported(bdev_get_queue(bdev)->crypto_profile,
+ cfg);
}
/**
* blk_crypto_start_using_key() - Start using a blk_crypto_key on a device
+ * @bdev: block device to operate on
* @key: A key to use on the device
- * @q: the request queue for the device
*
* Upper layers must call this function to ensure that either the hardware
* supports the key's crypto settings, or the crypto API fallback has transforms
@@ -379,10 +380,11 @@ bool blk_crypto_config_supported(struct request_queue *q,
* blk-crypto-fallback is either disabled or the needed algorithm
* is disabled in the crypto API; or another -errno code.
*/
-int blk_crypto_start_using_key(const struct blk_crypto_key *key,
- struct request_queue *q)
+int blk_crypto_start_using_key(struct block_device *bdev,
+ const struct blk_crypto_key *key)
{
- if (__blk_crypto_cfg_supported(q->crypto_profile, &key->crypto_cfg))
+ if (__blk_crypto_cfg_supported(bdev_get_queue(bdev)->crypto_profile,
+ &key->crypto_cfg))
return 0;
return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
}
@@ -390,7 +392,7 @@ int blk_crypto_start_using_key(const struct blk_crypto_key *key,
/**
* blk_crypto_evict_key() - Evict a key from any inline encryption hardware
* it may have been programmed into
- * @q: The request queue who's associated inline encryption hardware this key
+ * @bdev: The block_device who's associated inline encryption hardware this key
* might have been programmed into
* @key: The key to evict
*
@@ -400,14 +402,16 @@ int blk_crypto_start_using_key(const struct blk_crypto_key *key,
*
* Return: 0 on success or if the key wasn't in any keyslot; -errno on error.
*/
-int blk_crypto_evict_key(struct request_queue *q,
+int blk_crypto_evict_key(struct block_device *bdev,
const struct blk_crypto_key *key)
{
+ struct request_queue *q = bdev_get_queue(bdev);
+
if (__blk_crypto_cfg_supported(q->crypto_profile, &key->crypto_cfg))
return __blk_crypto_evict_key(q->crypto_profile, key);
/*
- * If the request_queue didn't support the key, then blk-crypto-fallback
+ * If the block_device didn't support the key, then blk-crypto-fallback
* may have been used, so try to evict the key from blk-crypto-fallback.
*/
return blk_crypto_fallback_evict_key(key);