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 * $Id: ib_smi.h 1389 2004-12-27 22:56:47Z roland $ 37 */ 38 39 #if !defined( IB_SMI_H ) 40 #define IB_SMI_H 41 42 #include <rdma/ib_mad.h> 43 44 #define IB_SMP_DATA_SIZE 64 45 #define IB_SMP_MAX_PATH_HOPS 64 46 47 struct ib_smp { 48 u8 base_version; 49 u8 mgmt_class; 50 u8 class_version; 51 u8 method; 52 __be16 status; 53 u8 hop_ptr; 54 u8 hop_cnt; 55 __be64 tid; 56 __be16 attr_id; 57 __be16 resv; 58 __be32 attr_mod; 59 __be64 mkey; 60 __be16 dr_slid; 61 __be16 dr_dlid; 62 u8 reserved[28]; 63 u8 data[IB_SMP_DATA_SIZE]; 64 u8 initial_path[IB_SMP_MAX_PATH_HOPS]; 65 u8 return_path[IB_SMP_MAX_PATH_HOPS]; 66 } __attribute__ ((packed)); 67 68 #define IB_SMP_DIRECTION __constant_htons(0x8000) 69 70 /* Subnet management attributes */ 71 #define IB_SMP_ATTR_NOTICE __constant_htons(0x0002) 72 #define IB_SMP_ATTR_NODE_DESC __constant_htons(0x0010) 73 #define IB_SMP_ATTR_NODE_INFO __constant_htons(0x0011) 74 #define IB_SMP_ATTR_SWITCH_INFO __constant_htons(0x0012) 75 #define IB_SMP_ATTR_GUID_INFO __constant_htons(0x0014) 76 #define IB_SMP_ATTR_PORT_INFO __constant_htons(0x0015) 77 #define IB_SMP_ATTR_PKEY_TABLE __constant_htons(0x0016) 78 #define IB_SMP_ATTR_SL_TO_VL_TABLE __constant_htons(0x0017) 79 #define IB_SMP_ATTR_VL_ARB_TABLE __constant_htons(0x0018) 80 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE __constant_htons(0x0019) 81 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE __constant_htons(0x001A) 82 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE __constant_htons(0x001B) 83 #define IB_SMP_ATTR_SM_INFO __constant_htons(0x0020) 84 #define IB_SMP_ATTR_VENDOR_DIAG __constant_htons(0x0030) 85 #define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031) 86 #define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00) 87 88 struct ib_port_info { 89 __be64 mkey; 90 __be64 gid_prefix; 91 __be16 lid; 92 __be16 sm_lid; 93 __be32 cap_mask; 94 __be16 diag_code; 95 __be16 mkey_lease_period; 96 u8 local_port_num; 97 u8 link_width_enabled; 98 u8 link_width_supported; 99 u8 link_width_active; 100 u8 linkspeed_portstate; /* 4 bits, 4 bits */ 101 u8 portphysstate_linkdown; /* 4 bits, 4 bits */ 102 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ 103 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ 104 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ 105 u8 vlcap_inittype; /* 4 bits, 4 bits */ 106 u8 vl_high_limit; 107 u8 vl_arb_high_cap; 108 u8 vl_arb_low_cap; 109 u8 inittypereply_mtucap; /* 4 bits, 4 bits */ 110 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ 111 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ 112 __be16 mkey_violations; 113 __be16 pkey_violations; 114 __be16 qkey_violations; 115 u8 guid_cap; 116 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ 117 u8 resv_resptimevalue; /* 3 bits, 5 bits */ 118 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ 119 __be16 max_credit_hint; 120 u8 resv; 121 u8 link_roundtrip_latency[3]; 122 }; 123 124 static inline u8 125 ib_get_smp_direction(struct ib_smp *smp) 126 { 127 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); 128 } 129 130 #endif /* IB_SMI_H */ 131