1 /* 2 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. 3 * Copyright (c) 2004 Infinicon Corporation. All rights reserved. 4 * Copyright (c) 2004 Intel Corporation. All rights reserved. 5 * Copyright (c) 2004 Topspin Corporation. All rights reserved. 6 * Copyright (c) 2004 Voltaire Corporation. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37 #if !defined(IB_SMI_H) 38 #define IB_SMI_H 39 40 #include <rdma/ib_mad.h> 41 42 #define IB_SMP_DATA_SIZE 64 43 #define IB_SMP_MAX_PATH_HOPS 64 44 45 struct ib_smp { 46 u8 base_version; 47 u8 mgmt_class; 48 u8 class_version; 49 u8 method; 50 __be16 status; 51 u8 hop_ptr; 52 u8 hop_cnt; 53 __be64 tid; 54 __be16 attr_id; 55 __be16 resv; 56 __be32 attr_mod; 57 __be64 mkey; 58 __be16 dr_slid; 59 __be16 dr_dlid; 60 u8 reserved[28]; 61 u8 data[IB_SMP_DATA_SIZE]; 62 u8 initial_path[IB_SMP_MAX_PATH_HOPS]; 63 u8 return_path[IB_SMP_MAX_PATH_HOPS]; 64 } __attribute__ ((packed)); 65 66 #define IB_SMP_DIRECTION cpu_to_be16(0x8000) 67 68 /* Subnet management attributes */ 69 #define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002) 70 #define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010) 71 #define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011) 72 #define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012) 73 #define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014) 74 #define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015) 75 #define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016) 76 #define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017) 77 #define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018) 78 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019) 79 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A) 80 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B) 81 #define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020) 82 #define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030) 83 #define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031) 84 #define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00) 85 86 struct ib_port_info { 87 __be64 mkey; 88 __be64 gid_prefix; 89 __be16 lid; 90 __be16 sm_lid; 91 __be32 cap_mask; 92 __be16 diag_code; 93 __be16 mkey_lease_period; 94 u8 local_port_num; 95 u8 link_width_enabled; 96 u8 link_width_supported; 97 u8 link_width_active; 98 u8 linkspeed_portstate; /* 4 bits, 4 bits */ 99 u8 portphysstate_linkdown; /* 4 bits, 4 bits */ 100 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ 101 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ 102 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ 103 u8 vlcap_inittype; /* 4 bits, 4 bits */ 104 u8 vl_high_limit; 105 u8 vl_arb_high_cap; 106 u8 vl_arb_low_cap; 107 u8 inittypereply_mtucap; /* 4 bits, 4 bits */ 108 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ 109 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ 110 __be16 mkey_violations; 111 __be16 pkey_violations; 112 __be16 qkey_violations; 113 u8 guid_cap; 114 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ 115 u8 resv_resptimevalue; /* 3 bits, 5 bits */ 116 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ 117 __be16 max_credit_hint; 118 u8 resv; 119 u8 link_roundtrip_latency[3]; 120 }; 121 122 static inline u8 123 ib_get_smp_direction(struct ib_smp *smp) 124 { 125 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); 126 } 127 128 #endif /* IB_SMI_H */ 129