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authorThomas Zimmermann <tzimmermann@suse.de>2025-04-07 13:47:40 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-04-07 14:35:48 +0200
commit1afba39f9305fe4061a4e70baa6ebab9d41459da (patch)
tree67e7ed686bd75adc559025870151c4de6d649ced /include/uapi/linux/blk-crypto.h
parentfbe43810d563a293e3de301141d33caf1f5d5c5a (diff)
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.15-rc1 into drm-misc-next. Also fixes a build issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/uapi/linux/blk-crypto.h')
-rw-r--r--include/uapi/linux/blk-crypto.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/uapi/linux/blk-crypto.h b/include/uapi/linux/blk-crypto.h
new file mode 100644
index 000000000000..97302c6eb6af
--- /dev/null
+++ b/include/uapi/linux/blk-crypto.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_BLK_CRYPTO_H
+#define _UAPI_LINUX_BLK_CRYPTO_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+struct blk_crypto_import_key_arg {
+ /* Raw key (input) */
+ __u64 raw_key_ptr;
+ __u64 raw_key_size;
+ /* Long-term wrapped key blob (output) */
+ __u64 lt_key_ptr;
+ __u64 lt_key_size;
+ __u64 reserved[4];
+};
+
+struct blk_crypto_generate_key_arg {
+ /* Long-term wrapped key blob (output) */
+ __u64 lt_key_ptr;
+ __u64 lt_key_size;
+ __u64 reserved[4];
+};
+
+struct blk_crypto_prepare_key_arg {
+ /* Long-term wrapped key blob (input) */
+ __u64 lt_key_ptr;
+ __u64 lt_key_size;
+ /* Ephemerally-wrapped key blob (output) */
+ __u64 eph_key_ptr;
+ __u64 eph_key_size;
+ __u64 reserved[4];
+};
+
+/*
+ * These ioctls share the block device ioctl space; see uapi/linux/fs.h.
+ * 140-141 are reserved for future blk-crypto ioctls; any more than that would
+ * require an additional allocation from the block device ioctl space.
+ */
+#define BLKCRYPTOIMPORTKEY _IOWR(0x12, 137, struct blk_crypto_import_key_arg)
+#define BLKCRYPTOGENERATEKEY _IOWR(0x12, 138, struct blk_crypto_generate_key_arg)
+#define BLKCRYPTOPREPAREKEY _IOWR(0x12, 139, struct blk_crypto_prepare_key_arg)
+
+#endif /* _UAPI_LINUX_BLK_CRYPTO_H */