LXR linux/drivers/infiniband/hw/mthca/mthca

   1/*
   2 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
   4 * Copyright (c) 2006 Cisco Systems.  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#ifndef MTHCA_CMD_H
  36#define MTHCA_CMD_H
  37
  38#include <rdma/ib_verbs.h>
  39
  40#define MTHCA_MAILBOX_SIZE 4096
  41
  42enum {
  43        /* command completed successfully: */
  44        MTHCA_CMD_STAT_OK             = 0x00,
  45        /* Internal error (such as a bus error) occurred while processing command: */
  46        MTHCA_CMD_STAT_INTERNAL_ERR   = 0x01,
  47        /* Operation/command not supported or opcode modifier not supported: */
  48        MTHCA_CMD_STAT_BAD_OP         = 0x02,
  49        /* Parameter not supported or parameter out of range: */
  50        MTHCA_CMD_STAT_BAD_PARAM      = 0x03,
  51        /* System not enabled or bad system state: */
  52        MTHCA_CMD_STAT_BAD_SYS_STATE  = 0x04,
  53        /* Attempt to access reserved or unallocaterd resource: */
  54        MTHCA_CMD_STAT_BAD_RESOURCE   = 0x05,
  55        /* Requested resource is currently executing a command, or is otherwise busy: */
  56        MTHCA_CMD_STAT_RESOURCE_BUSY  = 0x06,
  57        /* memory error: */
  58        MTHCA_CMD_STAT_DDR_MEM_ERR    = 0x07,
  59        /* Required capability exceeds device limits: */
  60        MTHCA_CMD_STAT_EXCEED_LIM     = 0x08,
  61        /* Resource is not in the appropriate state or ownership: */
  62        MTHCA_CMD_STAT_BAD_RES_STATE  = 0x09,
  63        /* Index out of range: */
  64        MTHCA_CMD_STAT_BAD_INDEX      = 0x0a,
  65        /* FW image corrupted: */
  66        MTHCA_CMD_STAT_BAD_NVMEM      = 0x0b,
  67        /* Attempt to modify a QP/EE which is not in the presumed state: */
  68        MTHCA_CMD_STAT_BAD_QPEE_STATE = 0x10,
  69        /* Bad segment parameters (Address/Size): */
  70        MTHCA_CMD_STAT_BAD_SEG_PARAM  = 0x20,
  71        /* Memory Region has Memory Windows bound to: */
  72        MTHCA_CMD_STAT_REG_BOUND      = 0x21,
  73        /* HCA local attached memory not present: */
  74        MTHCA_CMD_STAT_LAM_NOT_PRE    = 0x22,
  75        /* Bad management packet (silently discarded): */
  76        MTHCA_CMD_STAT_BAD_PKT        = 0x30,
  77        /* More outstanding CQEs in CQ than new CQ size: */
  78        MTHCA_CMD_STAT_BAD_SIZE       = 0x40
  79};
  80
  81enum {
  82        MTHCA_TRANS_INVALID = 0,
  83        MTHCA_TRANS_RST2INIT,
  84        MTHCA_TRANS_INIT2INIT,
  85        MTHCA_TRANS_INIT2RTR,
  86        MTHCA_TRANS_RTR2RTS,
  87        MTHCA_TRANS_RTS2RTS,
  88        MTHCA_TRANS_SQERR2RTS,
  89        MTHCA_TRANS_ANY2ERR,
  90        MTHCA_TRANS_RTS2SQD,
  91        MTHCA_TRANS_SQD2SQD,
  92        MTHCA_TRANS_SQD2RTS,
  93        MTHCA_TRANS_ANY2RST,
  94};
  95
  96enum {
  97        DEV_LIM_FLAG_RC                 = 1 << 0,
  98        DEV_LIM_FLAG_UC                 = 1 << 1,
  99        DEV_LIM_FLAG_UD                 = 1 << 2,
 100        DEV_LIM_FLAG_RD                 = 1 << 3,
 101        DEV_LIM_FLAG_RAW_IPV6           = 1 << 4,
 102        DEV_LIM_FLAG_RAW_ETHER          = 1 << 5,
 103        DEV_LIM_FLAG_SRQ                = 1 << 6,
 104        DEV_LIM_FLAG_IPOIB_CSUM         = 1 << 7,
 105        DEV_LIM_FLAG_BAD_PKEY_CNTR      = 1 << 8,
 106        DEV_LIM_FLAG_BAD_QKEY_CNTR      = 1 << 9,
 107        DEV_LIM_FLAG_MW                 = 1 << 16,
 108        DEV_LIM_FLAG_AUTO_PATH_MIG      = 1 << 17,
 109        DEV_LIM_FLAG_ATOMIC             = 1 << 18,
 110        DEV_LIM_FLAG_RAW_MULTI          = 1 << 19,
 111        DEV_LIM_FLAG_UD_AV_PORT_ENFORCE = 1 << 20,
 112        DEV_LIM_FLAG_UD_MULTI           = 1 << 21,
 113};
 114
 115struct mthca_mailbox {
 116        dma_addr_t dma;
 117        void      *buf;
 118};
 119
 120struct mthca_dev_lim {
 121        int max_srq_sz;
 122        int max_qp_sz;
 123        int reserved_qps;
 124        int max_qps;
 125        int reserved_srqs;
 126        int max_srqs;
 127        int reserved_eecs;
 128        int max_eecs;
 129        int max_cq_sz;
 130        int reserved_cqs;
 131        int max_cqs;
 132        int max_mpts;
 133        int reserved_eqs;
 134        int max_eqs;
 135        int reserved_mtts;
 136        int max_mrw_sz;
 137        int reserved_mrws;
 138        int max_mtt_seg;
 139        int max_requester_per_qp;
 140        int max_responder_per_qp;
 141        int max_rdma_global;
 142        int local_ca_ack_delay;
 143        int max_mtu;
 144        int max_port_width;
 145        int max_vl;
 146        int num_ports;
 147        int max_gids;
 148        u16 stat_rate_support;
 149        int max_pkeys;
 150        u32 flags;
 151        int reserved_uars;
 152        int uar_size;
 153        int min_page_sz;
 154        int max_sg;
 155        int max_desc_sz;
 156        int max_qp_per_mcg;
 157        int reserved_mgms;
 158        int max_mcgs;
 159        int reserved_pds;
 160        int max_pds;
 161        int reserved_rdds;
 162        int max_rdds;
 163        int eec_entry_sz;
 164        int qpc_entry_sz;
 165        int eeec_entry_sz;
 166        int eqpc_entry_sz;
 167        int eqc_entry_sz;
 168        int cqc_entry_sz;
 169        int srq_entry_sz;
 170        int uar_scratch_entry_sz;
 171        int mpt_entry_sz;
 172        union {
 173                struct {
 174                        int max_avs;
 175                } tavor;
 176                struct {
 177                        int resize_srq;
 178                        int max_pbl_sz;
 179                        u8  bmme_flags;
 180                        u32 reserved_lkey;
 181                        int lam_required;
 182                        u64 max_icm_sz;
 183                } arbel;
 184        } hca;
 185};
 186
 187struct mthca_adapter {
 188        u32  vendor_id;
 189        u32  device_id;
 190        u32  revision_id;
 191        char board_id[MTHCA_BOARD_ID_LEN];
 192        u8   inta_pin;
 193};
 194
 195struct mthca_init_hca_param {
 196        u64 qpc_base;
 197        u64 eec_base;
 198        u64 srqc_base;
 199        u64 cqc_base;
 200        u64 eqpc_base;
 201        u64 eeec_base;
 202        u64 eqc_base;
 203        u64 rdb_base;
 204        u64 mc_base;
 205        u64 mpt_base;
 206        u64 mtt_base;
 207        u64 uar_scratch_base;
 208        u64 uarc_base;
 209        u16 log_mc_entry_sz;
 210        u16 mc_hash_sz;
 211        u8  log_num_qps;
 212        u8  log_num_eecs;
 213        u8  log_num_srqs;
 214        u8  log_num_cqs;
 215        u8  log_num_eqs;
 216        u8  log_mc_table_sz;
 217        u8  mtt_seg_sz;
 218        u8  log_mpt_sz;
 219        u8  log_uar_sz;
 220        u8  log_uarc_sz;
 221};
 222
 223struct mthca_init_ib_param {
 224        int port_width;
 225        int vl_cap;
 226        int mtu_cap;
 227        u16 gid_cap;
 228        u16 pkey_cap;
 229        int set_guid0;
 230        u64 guid0;
 231        int set_node_guid;
 232        u64 node_guid;
 233        int set_si_guid;
 234        u64 si_guid;
 235};
 236
 237struct mthca_set_ib_param {
 238        int set_si_guid;
 239        int reset_qkey_viol;
 240        u64 si_guid;
 241        u32 cap_mask;
 242};
 243
 244int mthca_cmd_init(struct mthca_dev *dev);
 245void mthca_cmd_cleanup(struct mthca_dev *dev);
 246int mthca_cmd_use_events(struct mthca_dev *dev);
 247void mthca_cmd_use_polling(struct mthca_dev *dev);
 248void mthca_cmd_event(struct mthca_dev *dev, u16 token,
 249                     u8  status, u64 out_param);
 250
 251struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
 252                                          gfp_t gfp_mask);
 253void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox);
 254
 255int mthca_SYS_EN(struct mthca_dev *dev, u8 *status);
 256int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status);
 257int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status);
 258int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status);
 259int mthca_RUN_FW(struct mthca_dev *dev, u8 *status);
 260int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status);
 261int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status);
 262int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status);
 263int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status);
 264int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
 265                        struct mthca_dev_lim *dev_lim, u8 *status);
 266int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
 267                        struct mthca_adapter *adapter, u8 *status);
 268int mthca_INIT_HCA(struct mthca_dev *dev,
 269                   struct mthca_init_hca_param *param,
 270                   u8 *status);
 271int mthca_INIT_IB(struct mthca_dev *dev,
 272                  struct mthca_init_ib_param *param,
 273                  int port, u8 *status);
 274int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status);
 275int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status);
 276int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
 277                 int port, u8 *status);
 278int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *status);
 279int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status);
 280int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count, u8 *status);
 281int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status);
 282int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev, u8 *status);
 283int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages,
 284                       u8 *status);
 285int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 286                    int mpt_index, u8 *status);
 287int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 288                    int mpt_index, u8 *status);
 289int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 290                    int num_mtt, u8 *status);
 291int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status);
 292int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
 293                 int eq_num, u8 *status);
 294int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 295                   int eq_num, u8 *status);
 296int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 297                   int eq_num, u8 *status);
 298int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 299                   int cq_num, u8 *status);
 300int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 301                   int cq_num, u8 *status);
 302int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size,
 303                    u8 *status);
 304int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 305                    int srq_num, u8 *status);
 306int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 307                    int srq_num, u8 *status);
 308int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num,
 309                    struct mthca_mailbox *mailbox, u8 *status);
 310int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status);
 311int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,
 312                    enum ib_qp_state next, u32 num, int is_ee,
 313                    struct mthca_mailbox *mailbox, u32 optmask,
 314                    u8 *status);
 315int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
 316                   struct mthca_mailbox *mailbox, u8 *status);
 317int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
 318                          u8 *status);
 319int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
 320                  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
 321                  void *in_mad, void *response_mad, u8 *status);
 322int mthca_READ_MGM(struct mthca_dev *dev, int index,
 323                   struct mthca_mailbox *mailbox, u8 *status);
 324int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
 325                    struct mthca_mailbox *mailbox, u8 *status);
 326int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
 327                    u16 *hash, u8 *status);
 328int mthca_NOP(struct mthca_dev *dev, u8 *status);
 329
 330#endif /* MTHCA_CMD_H */
 331