/* * Copyright (c) 2010 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #if !defined(_RDMA_IB_H) #define _RDMA_IB_H #include #include struct ib_addr { union { __u8 uib_addr8[16]; __be16 uib_addr16[8]; __be32 uib_addr32[4]; __be64 uib_addr64[2]; } ib_u; #define sib_addr8 ib_u.uib_addr8 #define sib_addr16 ib_u.uib_addr16 #define sib_addr32 ib_u.uib_addr32 #define sib_addr64 ib_u.uib_addr64 #define sib_raw ib_u.uib_addr8 #define sib_subnet_prefix ib_u.uib_addr64[0] #define sib_interface_id ib_u.uib_addr64[1] }; static inline int ib_addr_any(const struct ib_addr *a) { return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0); } static inline int ib_addr_loopback(const struct ib_addr *a) { return ((a->sib_addr32[0] | a->sib_addr32[1] | a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0); } static inline void ib_addr_set(struct ib_addr *addr, __be32 w1, __be32 w2, __be32 w3, __be32 w4) { addr->sib_addr32[0] = w1; addr->sib_addr32[1] = w2; addr->sib_addr32[2] = w3; addr->sib_addr32[3] = w4; } static inline int ib_addr_cmp(const struct ib_addr *a1, const struct ib_addr *a2) { return memcmp(a1, a2, sizeof(struct ib_addr)); } struct sockaddr_ib { unsigned short int sib_family; /* AF_IB */ __be16 sib_pkey; __be32 sib_flowinfo; struct ib_addr sib_addr; __be64 sib_sid; __be64 sib_sid_mask; __u64 sib_scope_id; }; /* * The IB interfaces that use write() as bi-directional ioctl() are * fundamentally unsafe, since there are lots of ways to trigger "write()" * calls from various contexts with elevated privileges. That includes the * traditional suid executable error message writes, but also various kernel * interfaces that can write to file descriptors. * * This function provides protection for the legacy API by restricting the * calling context. */ static inline bool ib_safe_file_access(struct file *filp) { return filp->f_cred == current_cred() && segment_eq(get_fs(), USER_DS); } #endif /* _RDMA_IB_H */ a4dbe655bd038a6d38526a879deb'>hdaudio_ext.h
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