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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109/* 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];};
/* A "fully qualified" MCTP address, which includes the system-local network ID, * required to uniquely resolve a routable EID. */struct mctp_fq_addr { unsigned int net; mctp_eid_t eid;};
#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)#define SIOCMCTPALLOCTAG2 (SIOCPROTOPRIVATE + 2)#define SIOCMCTPDROPTAG2 (SIOCPROTOPRIVATE + 3)
/* Deprecated: use mctp_ioc_tag_ctl2 / TAG2 ioctls instead, which defines the * MCTP network ID as part of the allocated tag. Using this assumes the default * net ID for allocated tags, which may not give correct behaviour on system * with multiple networks configured. */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;};
struct mctp_ioc_tag_ctl2 { /* Peer details: network ID, peer EID, local EID. All set by the * caller. * * Local EID must be MCTP_ADDR_NULL or MCTP_ADDR_ANY in current * kernels. */ unsigned int net; mctp_eid_t peer_addr; mctp_eid_t local_addr;
/* Set by caller, but no flags defined currently. Must be 0 */ __u16 flags;
/* For SIOCMCTPALLOCTAG2: must be passed as zero, kernel will * populate with the allocated tag value. Returned tag value will * always have TO and PREALLOC set. * * For SIOCMCTPDROPTAG2: userspace provides tag value to drop, from * a prior SIOCMCTPALLOCTAG2 call (and so must have TO and PREALLOC set). */ __u8 tag;
};
#endif /* __UAPI_MCTP_H */