drivers/infiniband/hw/qib/qib_mad.h

   1 /*
   2  * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
   3  * All rights reserved.
   4  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34
  35 #include <rdma/ib_pma.h>
  36
  37 #define IB_SMP_UNSUP_VERSION    cpu_to_be16(0x0004)
  38 #define IB_SMP_UNSUP_METHOD     cpu_to_be16(0x0008)
  39 #define IB_SMP_UNSUP_METH_ATTR  cpu_to_be16(0x000C)
  40 #define IB_SMP_INVALID_FIELD    cpu_to_be16(0x001C)
  41
  42 struct ib_node_info {
  43         u8 base_version;
  44         u8 class_version;
  45         u8 node_type;
  46         u8 num_ports;
  47         __be64 sys_guid;
  48         __be64 node_guid;
  49         __be64 port_guid;
  50         __be16 partition_cap;
  51         __be16 device_id;
  52         __be32 revision;
  53         u8 local_port_num;
  54         u8 vendor_id[3];
  55 } __attribute__ ((packed));
  56
  57 struct ib_mad_notice_attr {
  58         u8 generic_type;
  59         u8 prod_type_msb;
  60         __be16 prod_type_lsb;
  61         __be16 trap_num;
  62         __be16 issuer_lid;
  63         __be16 toggle_count;
  64
  65         union {
  66                 struct {
  67                         u8      details[54];
  68                 } raw_data;
  69
  70                 struct {
  71                         __be16  reserved;
  72                         __be16  lid;            /* where violation happened */
  73                         u8      port_num;       /* where violation happened */
  74                 } __attribute__ ((packed)) ntc_129_131;
  75
  76                 struct {
  77                         __be16  reserved;
  78                         __be16  lid;            /* LID where change occurred */
  79                         u8      reserved2;
  80                         u8      local_changes;  /* low bit - local changes */
  81                         __be32  new_cap_mask;   /* new capability mask */
  82                         u8      reserved3;
  83                         u8      change_flags;   /* low 3 bits only */
  84                 } __attribute__ ((packed)) ntc_144;
  85
  86                 struct {
  87                         __be16  reserved;
  88                         __be16  lid;            /* lid where sys guid changed */
  89                         __be16  reserved2;
  90                         __be64  new_sys_guid;
  91                 } __attribute__ ((packed)) ntc_145;
  92
  93                 struct {
  94                         __be16  reserved;
  95                         __be16  lid;
  96                         __be16  dr_slid;
  97                         u8      method;
  98                         u8      reserved2;
  99                         __be16  attr_id;
 100                         __be32  attr_mod;
 101                         __be64  mkey;
 102                         u8      reserved3;
 103                         u8      dr_trunc_hop;
 104                         u8      dr_rtn_path[30];
 105                 } __attribute__ ((packed)) ntc_256;
 106
 107                 struct {
 108                         __be16          reserved;
 109                         __be16          lid1;
 110                         __be16          lid2;
 111                         __be32          key;
 112                         __be32          sl_qp1; /* SL: high 4 bits */
 113                         __be32          qp2;    /* high 8 bits reserved */
 114                         union ib_gid    gid1;
 115                         union ib_gid    gid2;
 116                 } __attribute__ ((packed)) ntc_257_258;
 117
 118         } details;
 119 };
 120
 121 /*
 122  * Generic trap/notice types
 123  */
 124 #define IB_NOTICE_TYPE_FATAL    0x80
 125 #define IB_NOTICE_TYPE_URGENT   0x81
 126 #define IB_NOTICE_TYPE_SECURITY 0x82
 127 #define IB_NOTICE_TYPE_SM       0x83
 128 #define IB_NOTICE_TYPE_INFO     0x84
 129
 130 /*
 131  * Generic trap/notice producers
 132  */
 133 #define IB_NOTICE_PROD_CA               cpu_to_be16(1)
 134 #define IB_NOTICE_PROD_SWITCH           cpu_to_be16(2)
 135 #define IB_NOTICE_PROD_ROUTER           cpu_to_be16(3)
 136 #define IB_NOTICE_PROD_CLASS_MGR        cpu_to_be16(4)
 137
 138 /*
 139  * Generic trap/notice numbers
 140  */
 141 #define IB_NOTICE_TRAP_LLI_THRESH       cpu_to_be16(129)
 142 #define IB_NOTICE_TRAP_EBO_THRESH       cpu_to_be16(130)
 143 #define IB_NOTICE_TRAP_FLOW_UPDATE      cpu_to_be16(131)
 144 #define IB_NOTICE_TRAP_CAP_MASK_CHG     cpu_to_be16(144)
 145 #define IB_NOTICE_TRAP_SYS_GUID_CHG     cpu_to_be16(145)
 146 #define IB_NOTICE_TRAP_BAD_MKEY         cpu_to_be16(256)
 147 #define IB_NOTICE_TRAP_BAD_PKEY         cpu_to_be16(257)
 148 #define IB_NOTICE_TRAP_BAD_QKEY         cpu_to_be16(258)
 149
 150 /*
 151  * Repress trap/notice flags
 152  */
 153 #define IB_NOTICE_REPRESS_LLI_THRESH    (1 << 0)
 154 #define IB_NOTICE_REPRESS_EBO_THRESH    (1 << 1)
 155 #define IB_NOTICE_REPRESS_FLOW_UPDATE   (1 << 2)
 156 #define IB_NOTICE_REPRESS_CAP_MASK_CHG  (1 << 3)
 157 #define IB_NOTICE_REPRESS_SYS_GUID_CHG  (1 << 4)
 158 #define IB_NOTICE_REPRESS_BAD_MKEY      (1 << 5)
 159 #define IB_NOTICE_REPRESS_BAD_PKEY      (1 << 6)
 160 #define IB_NOTICE_REPRESS_BAD_QKEY      (1 << 7)
 161
 162 /*
 163  * Generic trap/notice other local changes flags (trap 144).
 164  */
 165 #define IB_NOTICE_TRAP_LSE_CHG          0x04    /* Link Speed Enable changed */
 166 #define IB_NOTICE_TRAP_LWE_CHG          0x02    /* Link Width Enable changed */
 167 #define IB_NOTICE_TRAP_NODE_DESC_CHG    0x01
 168
 169 /*
 170  * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
 171  */
 172 #define IB_NOTICE_TRAP_DR_NOTICE        0x80
 173 #define IB_NOTICE_TRAP_DR_TRUNC         0x40
 174
 175 struct ib_vl_weight_elem {
 176         u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
 177         u8      weight;
 178 };
 179
 180 #define IB_VLARB_LOWPRI_0_31    1
 181 #define IB_VLARB_LOWPRI_32_63   2
 182 #define IB_VLARB_HIGHPRI_0_31   3
 183 #define IB_VLARB_HIGHPRI_32_63  4
 184
 185 #define IB_PMA_PORT_COUNTERS_CONG       cpu_to_be16(0xFF00)
 186
 187 struct ib_pma_portcounters_cong {
 188         u8 reserved;
 189         u8 reserved1;
 190         __be16 port_check_rate;
 191         __be16 symbol_error_counter;
 192         u8 link_error_recovery_counter;
 193         u8 link_downed_counter;
 194         __be16 port_rcv_errors;
 195         __be16 port_rcv_remphys_errors;
 196         __be16 port_rcv_switch_relay_errors;
 197         __be16 port_xmit_discards;
 198         u8 port_xmit_constraint_errors;
 199         u8 port_rcv_constraint_errors;
 200         u8 reserved2;
 201         u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
 202         __be16 reserved3;
 203         __be16 vl15_dropped;
 204         __be64 port_xmit_data;
 205         __be64 port_rcv_data;
 206         __be64 port_xmit_packets;
 207         __be64 port_rcv_packets;
 208         __be64 port_xmit_wait;
 209         __be64 port_adr_events;
 210 } __attribute__ ((packed));
 211
 212 #define IB_PMA_CONG_HW_CONTROL_TIMER            0x00
 213 #define IB_PMA_CONG_HW_CONTROL_SAMPLE           0x01
 214
 215 #define QIB_XMIT_RATE_UNSUPPORTED               0x0
 216 #define QIB_XMIT_RATE_PICO                      0x7
 217 /* number of 4nsec cycles equaling 2secs */
 218 #define QIB_CONG_TIMER_PSINTERVAL               0x1DCD64EC
 219
 220 #define IB_PMA_SEL_CONG_ALL                     0x01
 221 #define IB_PMA_SEL_CONG_PORT_DATA               0x02
 222 #define IB_PMA_SEL_CONG_XMIT                    0x04
 223 #define IB_PMA_SEL_CONG_ROUTING                 0x08
 224
 225 /*
 226  * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
 227  * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
 228  * We support 5 counters which only count the mandatory quantities.
 229  */
 230 #define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
 231 #define COUNTER_MASK0_9 \
 232         cpu_to_be32(COUNTER_MASK(1, 0) | \
 233                     COUNTER_MASK(1, 1) | \
 234                     COUNTER_MASK(1, 2) | \
 235                     COUNTER_MASK(1, 3) | \
 236                     COUNTER_MASK(1, 4))