diff options
Diffstat (limited to 'include/uapi/linux/virtio_rpmb.h')
| -rw-r--r-- | include/uapi/linux/virtio_rpmb.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_rpmb.h b/include/uapi/linux/virtio_rpmb.h new file mode 100644 index 000000000000..f048cd968210 --- /dev/null +++ b/include/uapi/linux/virtio_rpmb.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ + +#ifndef _UAPI_LINUX_VIRTIO_RPMB_H +#define _UAPI_LINUX_VIRTIO_RPMB_H + +#include <linux/types.h> +#include <linux/virtio_ids.h> +#include <linux/virtio_config.h> +#include <linux/virtio_types.h> + +struct virtio_rpmb_config { + __u8 capacity; + __u8 max_wr_cnt; + __u8 max_rd_cnt; +} __attribute__((packed)); + +/* RPMB Request Types (in .req_resp) */ +#define VIRTIO_RPMB_REQ_PROGRAM_KEY 0x0001 +#define VIRTIO_RPMB_REQ_GET_WRITE_COUNTER 0x0002 +#define VIRTIO_RPMB_REQ_DATA_WRITE 0x0003 +#define VIRTIO_RPMB_REQ_DATA_READ 0x0004 +#define VIRTIO_RPMB_REQ_RESULT_READ 0x0005 + +/* RPMB Response Types (in .req_resp) */ +#define VIRTIO_RPMB_RESP_PROGRAM_KEY 0x0100 +#define VIRTIO_RPMB_RESP_GET_COUNTER 0x0200 +#define VIRTIO_RPMB_RESP_DATA_WRITE 0x0300 +#define VIRTIO_RPMB_RESP_DATA_READ 0x0400 + +struct virtio_rpmb_frame { + __u8 stuff[196]; + __u8 key_mac[32]; + __u8 data[256]; + __u8 nonce[16]; + __be32 write_counter; + __be16 address; + __be16 block_count; + __be16 result; + __be16 req_resp; +} __attribute__((packed)); + +/* RPMB Operation Results (in .result) */ +#define VIRTIO_RPMB_RES_OK 0x0000 +#define VIRTIO_RPMB_RES_GENERAL_FAILURE 0x0001 +#define VIRTIO_RPMB_RES_AUTH_FAILURE 0x0002 +#define VIRTIO_RPMB_RES_COUNT_FAILURE 0x0003 +#define VIRTIO_RPMB_RES_ADDR_FAILURE 0x0004 +#define VIRTIO_RPMB_RES_WRITE_FAILURE 0x0005 +#define VIRTIO_RPMB_RES_READ_FAILURE 0x0006 +#define VIRTIO_RPMB_RES_NO_AUTH_KEY 0x0007 +#define VIRTIO_RPMB_RES_WRITE_COUNTER_EXPIRED 0x0080 + + +#endif /* _UAPI_LINUX_VIRTIO_RPMB_H */ |