/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Management Component Transport Protocol (MCTP) * * Copyright (c) 2021 Code Construct * Copyright (c) 2021 Google */ #ifndef __UAPI_MCTP_H #define __UAPI_MCTP_H #include <linux/types.h> #include <linux/socket.h> #include <linux/netdevice.h> typedef __u8 mctp_eid_t; struct mctp_addr { mctp_eid_t s_addr; }; struct sockaddr_mctp { __kernel_sa_family_t smctp_family; __u16 __smctp_pad0; unsigned int smctp_network; struct mctp_addr smctp_addr; __u8 smctp_type; __u8 smctp_tag; __u8 __smctp_pad1; }; struct sockaddr_mctp_ext { struct sockaddr_mctp smctp_base; int smctp_ifindex; __u8 smctp_halen; __u8 __smctp_pad0[3]; __u8 smctp_haddr[MAX_ADDR_LEN]; }; #define MCTP_NET_ANY 0x0 #define MCTP_ADDR_NULL 0x00 #define MCTP_ADDR_ANY 0xff #define MCTP_TAG_MASK 0x07 #define MCTP_TAG_OWNER 0x08 #define MCTP_TAG_PREALLOC 0x10 #define MCTP_OPT_ADDR_EXT 1 #define SIOCMCTPALLOCTAG (SIOCPROTOPRIVATE + 0) #define SIOCMCTPDROPTAG (SIOCPROTOPRIVATE + 1) struct mctp_ioc_tag_ctl { mctp_eid_t peer_addr; /* For SIOCMCTPALLOCTAG: must be passed as zero, kernel will * populate with the allocated tag value. Returned tag value will * always have TO and PREALLOC set. * * For SIOCMCTPDROPTAG: userspace provides tag value to drop, from * a prior SIOCMCTPALLOCTAG call (and so must have TO and PREALLOC set). */ __u8 tag; __u16 flags; }; #endif /* __UAPI_MCTP_H */