diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/defconfig | 1 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/zcrypt.h | 21 |
2 files changed, 18 insertions, 4 deletions
diff --git a/arch/s390/defconfig b/arch/s390/defconfig index f40600eb1762..20add000dd6d 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -232,6 +232,7 @@ CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_ZCRYPT=m +CONFIG_ZCRYPT_MULTIDEVNODES=y CONFIG_PKEY=m CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_SHA1_S390=m diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h index 2bb1f3bb98ac..196a3047fb0a 100644 --- a/arch/s390/include/uapi/asm/zcrypt.h +++ b/arch/s390/include/uapi/asm/zcrypt.h @@ -2,9 +2,9 @@ /* * include/asm-s390/zcrypt.h * - * zcrypt 2.1.0 (user-visible header) + * zcrypt 2.2.0 (user-visible header) * - * Copyright IBM Corp. 2001, 2006 + * Copyright IBM Corp. 2001, 2018 * Author(s): Robert Burroughs * Eric Rossman (edrossma@us.ibm.com) * @@ -15,12 +15,15 @@ #define __ASM_S390_ZCRYPT_H #define ZCRYPT_VERSION 2 -#define ZCRYPT_RELEASE 1 -#define ZCRYPT_VARIANT 1 +#define ZCRYPT_RELEASE 2 +#define ZCRYPT_VARIANT 0 #include <linux/ioctl.h> #include <linux/compiler.h> +/* Name of the zcrypt device driver. */ +#define ZCRYPT_NAME "zcrypt" + /** * struct ica_rsa_modexpo * @@ -310,6 +313,16 @@ struct zcrypt_device_matrix_ext { #define ZCRYPT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x5a, int[MAX_ZDEV_CARDIDS_EXT]) /* + * Support for multiple zcrypt device nodes. + */ + +/* Nr of minor device node numbers to allocate. */ +#define ZCRYPT_MAX_MINOR_NODES 256 + +/* Max amount of possible ioctls */ +#define MAX_ZDEV_IOCTLS (1 << _IOC_NRBITS) + +/* * Only deprecated defines, structs and ioctls below this line. */ |