release/src-rt-6.x.4708/linux/linux-2.6.36/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 #define IB_SMP_UNSUP_VERSION    cpu_to_be16(0x0004)
  36 #define IB_SMP_UNSUP_METHOD     cpu_to_be16(0x0008)
  37 #define IB_SMP_UNSUP_METH_ATTR  cpu_to_be16(0x000C)
  38 #define IB_SMP_INVALID_FIELD    cpu_to_be16(0x001C)
  39
  40 struct ib_node_info {
  41         u8 base_version;
  42         u8 class_version;
  43         u8 node_type;
  44         u8 num_ports;
  45         __be64 sys_guid;
  46         __be64 node_guid;
  47         __be64 port_guid;
  48         __be16 partition_cap;
  49         __be16 device_id;
  50         __be32 revision;
  51         u8 local_port_num;
  52         u8 vendor_id[3];
  53 } __attribute__ ((packed));
  54
  55 struct ib_mad_notice_attr {
  56         u8 generic_type;
  57         u8 prod_type_msb;
  58         __be16 prod_type_lsb;
  59         __be16 trap_num;
  60         __be16 issuer_lid;
  61         __be16 toggle_count;
  62
  63         union {
  64                 struct {
  65                         u8      details[54];
  66                 } raw_data;
  67
  68                 struct {
  69                         __be16  reserved;
  70                         __be16  lid;            /* where violation happened */
  71                         u8      port_num;       /* where violation happened */
  72                 } __attribute__ ((packed)) ntc_129_131;
  73
  74                 struct {
  75                         __be16  reserved;
  76                         __be16  lid;            /* LID where change occured */
  77                         u8      reserved2;
  78                         u8      local_changes;  /* low bit - local changes */
  79                         __be32  new_cap_mask;   /* new capability mask */
  80                         u8      reserved3;
  81                         u8      change_flags;   /* low 3 bits only */
  82                 } __attribute__ ((packed)) ntc_144;
  83
  84                 struct {
  85                         __be16  reserved;
  86                         __be16  lid;            /* lid where sys guid changed */
  87                         __be16  reserved2;
  88                         __be64  new_sys_guid;
  89                 } __attribute__ ((packed)) ntc_145;
  90
  91                 struct {
  92                         __be16  reserved;
  93                         __be16  lid;
  94                         __be16  dr_slid;
  95                         u8      method;
  96                         u8      reserved2;
  97                         __be16  attr_id;
  98                         __be32  attr_mod;
  99                         __be64  mkey;
 100                         u8      reserved3;
 101                         u8      dr_trunc_hop;
 102                         u8      dr_rtn_path[30];
 103                 } __attribute__ ((packed)) ntc_256;
 104
 105                 struct {
 106                         __be16          reserved;
 107                         __be16          lid1;
 108                         __be16          lid2;
 109                         __be32          key;
 110                         __be32          sl_qp1; /* SL: high 4 bits */
 111                         __be32          qp2;    /* high 8 bits reserved */
 112                         union ib_gid    gid1;
 113                         union ib_gid    gid2;
 114                 } __attribute__ ((packed)) ntc_257_258;
 115
 116         } details;
 117 };
 118
 119 /*
 120  * Generic trap/notice types
 121  */
 122 #define IB_NOTICE_TYPE_FATAL    0x80
 123 #define IB_NOTICE_TYPE_URGENT   0x81
 124 #define IB_NOTICE_TYPE_SECURITY 0x82
 125 #define IB_NOTICE_TYPE_SM       0x83
 126 #define IB_NOTICE_TYPE_INFO     0x84
 127
 128 /*
 129  * Generic trap/notice producers
 130  */
 131 #define IB_NOTICE_PROD_CA               cpu_to_be16(1)
 132 #define IB_NOTICE_PROD_SWITCH           cpu_to_be16(2)
 133 #define IB_NOTICE_PROD_ROUTER           cpu_to_be16(3)
 134 #define IB_NOTICE_PROD_CLASS_MGR        cpu_to_be16(4)
 135
 136 /*
 137  * Generic trap/notice numbers
 138  */
 139 #define IB_NOTICE_TRAP_LLI_THRESH       cpu_to_be16(129)
 140 #define IB_NOTICE_TRAP_EBO_THRESH       cpu_to_be16(130)
 141 #define IB_NOTICE_TRAP_FLOW_UPDATE      cpu_to_be16(131)
 142 #define IB_NOTICE_TRAP_CAP_MASK_CHG     cpu_to_be16(144)
 143 #define IB_NOTICE_TRAP_SYS_GUID_CHG     cpu_to_be16(145)
 144 #define IB_NOTICE_TRAP_BAD_MKEY         cpu_to_be16(256)
 145 #define IB_NOTICE_TRAP_BAD_PKEY         cpu_to_be16(257)
 146 #define IB_NOTICE_TRAP_BAD_QKEY         cpu_to_be16(258)
 147
 148 /*
 149  * Repress trap/notice flags
 150  */
 151 #define IB_NOTICE_REPRESS_LLI_THRESH    (1 << 0)
 152 #define IB_NOTICE_REPRESS_EBO_THRESH    (1 << 1)
 153 #define IB_NOTICE_REPRESS_FLOW_UPDATE   (1 << 2)
 154 #define IB_NOTICE_REPRESS_CAP_MASK_CHG  (1 << 3)
 155 #define IB_NOTICE_REPRESS_SYS_GUID_CHG  (1 << 4)
 156 #define IB_NOTICE_REPRESS_BAD_MKEY      (1 << 5)
 157 #define IB_NOTICE_REPRESS_BAD_PKEY      (1 << 6)
 158 #define IB_NOTICE_REPRESS_BAD_QKEY      (1 << 7)
 159
 160 /*
 161  * Generic trap/notice other local changes flags (trap 144).
 162  */
 163 #define IB_NOTICE_TRAP_LSE_CHG          0x04    /* Link Speed Enable changed */
 164 #define IB_NOTICE_TRAP_LWE_CHG          0x02    /* Link Width Enable changed */
 165 #define IB_NOTICE_TRAP_NODE_DESC_CHG    0x01
 166
 167 /*
 168  * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
 169  */
 170 #define IB_NOTICE_TRAP_DR_NOTICE        0x80
 171 #define IB_NOTICE_TRAP_DR_TRUNC         0x40
 172
 173 struct ib_vl_weight_elem {
 174         u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
 175         u8      weight;
 176 };
 177
 178 #define IB_VLARB_LOWPRI_0_31    1
 179 #define IB_VLARB_LOWPRI_32_63   2
 180 #define IB_VLARB_HIGHPRI_0_31   3
 181 #define IB_VLARB_HIGHPRI_32_63  4
 182
 183 /*
 184  * PMA class portinfo capability mask bits
 185  */
 186 #define IB_PMA_CLASS_CAP_ALLPORTSELECT  cpu_to_be16(1 << 8)
 187 #define IB_PMA_CLASS_CAP_EXT_WIDTH      cpu_to_be16(1 << 9)
 188 #define IB_PMA_CLASS_CAP_XMIT_WAIT      cpu_to_be16(1 << 12)
 189
 190 #define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
 191 #define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
 192 #define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
 193 #define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
 194 #define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
 195 #define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
 196 #define IB_PMA_PORT_COUNTERS_CONG       cpu_to_be16(0xFF00)
 197
 198 struct ib_perf {
 199         u8 base_version;
 200         u8 mgmt_class;
 201         u8 class_version;
 202         u8 method;
 203         __be16 status;
 204         __be16 unused;
 205         __be64 tid;
 206         __be16 attr_id;
 207         __be16 resv;
 208         __be32 attr_mod;
 209         u8 reserved[40];
 210         u8 data[192];
 211 } __attribute__ ((packed));
 212
 213 struct ib_pma_classportinfo {
 214         u8 base_version;
 215         u8 class_version;
 216         __be16 cap_mask;
 217         u8 reserved[3];
 218         u8 resp_time_value;     /* only lower 5 bits */
 219         union ib_gid redirect_gid;
 220         __be32 redirect_tc_sl_fl;       /* 8, 4, 20 bits respectively */
 221         __be16 redirect_lid;
 222         __be16 redirect_pkey;
 223         __be32 redirect_qp;     /* only lower 24 bits */
 224         __be32 redirect_qkey;
 225         union ib_gid trap_gid;
 226         __be32 trap_tc_sl_fl;   /* 8, 4, 20 bits respectively */
 227         __be16 trap_lid;
 228         __be16 trap_pkey;
 229         __be32 trap_hl_qp;      /* 8, 24 bits respectively */
 230         __be32 trap_qkey;
 231 } __attribute__ ((packed));
 232
 233 struct ib_pma_portsamplescontrol {
 234         u8 opcode;
 235         u8 port_select;
 236         u8 tick;
 237         u8 counter_width;       /* only lower 3 bits */
 238         __be32 counter_mask0_9; /* 2, 10 * 3, bits */
 239         __be16 counter_mask10_14;       /* 1, 5 * 3, bits */
 240         u8 sample_mechanisms;
 241         u8 sample_status;       /* only lower 2 bits */
 242         __be64 option_mask;
 243         __be64 vendor_mask;
 244         __be32 sample_start;
 245         __be32 sample_interval;
 246         __be16 tag;
 247         __be16 counter_select[15];
 248 } __attribute__ ((packed));
 249
 250 struct ib_pma_portsamplesresult {
 251         __be16 tag;
 252         __be16 sample_status;   /* only lower 2 bits */
 253         __be32 counter[15];
 254 } __attribute__ ((packed));
 255
 256 struct ib_pma_portsamplesresult_ext {
 257         __be16 tag;
 258         __be16 sample_status;   /* only lower 2 bits */
 259         __be32 extended_width;  /* only upper 2 bits */
 260         __be64 counter[15];
 261 } __attribute__ ((packed));
 262
 263 struct ib_pma_portcounters {
 264         u8 reserved;
 265         u8 port_select;
 266         __be16 counter_select;
 267         __be16 symbol_error_counter;
 268         u8 link_error_recovery_counter;
 269         u8 link_downed_counter;
 270         __be16 port_rcv_errors;
 271         __be16 port_rcv_remphys_errors;
 272         __be16 port_rcv_switch_relay_errors;
 273         __be16 port_xmit_discards;
 274         u8 port_xmit_constraint_errors;
 275         u8 port_rcv_constraint_errors;
 276         u8 reserved1;
 277         u8 lli_ebor_errors;     /* 4, 4, bits */
 278         __be16 reserved2;
 279         __be16 vl15_dropped;
 280         __be32 port_xmit_data;
 281         __be32 port_rcv_data;
 282         __be32 port_xmit_packets;
 283         __be32 port_rcv_packets;
 284 } __attribute__ ((packed));
 285
 286 struct ib_pma_portcounters_cong {
 287         u8 reserved;
 288         u8 reserved1;
 289         __be16 port_check_rate;
 290         __be16 symbol_error_counter;
 291         u8 link_error_recovery_counter;
 292         u8 link_downed_counter;
 293         __be16 port_rcv_errors;
 294         __be16 port_rcv_remphys_errors;
 295         __be16 port_rcv_switch_relay_errors;
 296         __be16 port_xmit_discards;
 297         u8 port_xmit_constraint_errors;
 298         u8 port_rcv_constraint_errors;
 299         u8 reserved2;
 300         u8 lli_ebor_errors;    /* 4, 4, bits */
 301         __be16 reserved3;
 302         __be16 vl15_dropped;
 303         __be64 port_xmit_data;
 304         __be64 port_rcv_data;
 305         __be64 port_xmit_packets;
 306         __be64 port_rcv_packets;
 307         __be64 port_xmit_wait;
 308         __be64 port_adr_events;
 309 } __attribute__ ((packed));
 310
 311 #define IB_PMA_CONG_HW_CONTROL_TIMER            0x00
 312 #define IB_PMA_CONG_HW_CONTROL_SAMPLE           0x01
 313
 314 #define QIB_XMIT_RATE_UNSUPPORTED               0x0
 315 #define QIB_XMIT_RATE_PICO                      0x7
 316 /* number of 4nsec cycles equaling 2secs */
 317 #define QIB_CONG_TIMER_PSINTERVAL               0x1DCD64EC
 318
 319 #define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
 320 #define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
 321 #define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
 322 #define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
 323 #define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
 324 #define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
 325 #define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
 326 #define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
 327 #define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
 328 #define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
 329 #define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
 330 #define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
 331 #define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
 332
 333 #define IB_PMA_SEL_CONG_ALL                     0x01
 334 #define IB_PMA_SEL_CONG_PORT_DATA               0x02
 335 #define IB_PMA_SEL_CONG_XMIT                    0x04
 336 #define IB_PMA_SEL_CONG_ROUTING                 0x08
 337
 338 struct ib_pma_portcounters_ext {
 339         u8 reserved;
 340         u8 port_select;
 341         __be16 counter_select;
 342         __be32 reserved1;
 343         __be64 port_xmit_data;
 344         __be64 port_rcv_data;
 345         __be64 port_xmit_packets;
 346         __be64 port_rcv_packets;
 347         __be64 port_unicast_xmit_packets;
 348         __be64 port_unicast_rcv_packets;
 349         __be64 port_multicast_xmit_packets;
 350         __be64 port_multicast_rcv_packets;
 351 } __attribute__ ((packed));
 352
 353 #define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
 354 #define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
 355 #define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
 356 #define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
 357 #define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
 358 #define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
 359 #define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
 360 #define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
 361
 362 /*
 363  * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
 364  * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
 365  * We support 5 counters which only count the mandatory quantities.
 366  */
 367 #define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
 368 #define COUNTER_MASK0_9 \
 369         cpu_to_be32(COUNTER_MASK(1, 0) | \
 370                     COUNTER_MASK(1, 1) | \
 371                     COUNTER_MASK(1, 2) | \
 372                     COUNTER_MASK(1, 3) | \
 373                     COUNTER_MASK(1, 4))