LXR linux/include/linux/mlx4/cmd.h

   1/*
   2 * Copyright (c) 2006 Cisco Systems, Inc.  All rights reserved.
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and/or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32
  33#ifndef MLX4_CMD_H
  34#define MLX4_CMD_H
  35
  36#include <linux/dma-mapping.h>
  37
  38enum {
  39        /* initialization and general commands */
  40        MLX4_CMD_SYS_EN          = 0x1,
  41        MLX4_CMD_SYS_DIS         = 0x2,
  42        MLX4_CMD_MAP_FA          = 0xfff,
  43        MLX4_CMD_UNMAP_FA        = 0xffe,
  44        MLX4_CMD_RUN_FW          = 0xff6,
  45        MLX4_CMD_MOD_STAT_CFG    = 0x34,
  46        MLX4_CMD_QUERY_DEV_CAP   = 0x3,
  47        MLX4_CMD_QUERY_FW        = 0x4,
  48        MLX4_CMD_ENABLE_LAM      = 0xff8,
  49        MLX4_CMD_DISABLE_LAM     = 0xff7,
  50        MLX4_CMD_QUERY_DDR       = 0x5,
  51        MLX4_CMD_QUERY_ADAPTER   = 0x6,
  52        MLX4_CMD_INIT_HCA        = 0x7,
  53        MLX4_CMD_CLOSE_HCA       = 0x8,
  54        MLX4_CMD_INIT_PORT       = 0x9,
  55        MLX4_CMD_CLOSE_PORT      = 0xa,
  56        MLX4_CMD_QUERY_HCA       = 0xb,
  57        MLX4_CMD_QUERY_PORT      = 0x43,
  58        MLX4_CMD_SENSE_PORT      = 0x4d,
  59        MLX4_CMD_SET_PORT        = 0xc,
  60        MLX4_CMD_ACCESS_DDR      = 0x2e,
  61        MLX4_CMD_MAP_ICM         = 0xffa,
  62        MLX4_CMD_UNMAP_ICM       = 0xff9,
  63        MLX4_CMD_MAP_ICM_AUX     = 0xffc,
  64        MLX4_CMD_UNMAP_ICM_AUX   = 0xffb,
  65        MLX4_CMD_SET_ICM_SIZE    = 0xffd,
  66
  67        /* TPT commands */
  68        MLX4_CMD_SW2HW_MPT       = 0xd,
  69        MLX4_CMD_QUERY_MPT       = 0xe,
  70        MLX4_CMD_HW2SW_MPT       = 0xf,
  71        MLX4_CMD_READ_MTT        = 0x10,
  72        MLX4_CMD_WRITE_MTT       = 0x11,
  73        MLX4_CMD_SYNC_TPT        = 0x2f,
  74
  75        /* EQ commands */
  76        MLX4_CMD_MAP_EQ          = 0x12,
  77        MLX4_CMD_SW2HW_EQ        = 0x13,
  78        MLX4_CMD_HW2SW_EQ        = 0x14,
  79        MLX4_CMD_QUERY_EQ        = 0x15,
  80
  81        /* CQ commands */
  82        MLX4_CMD_SW2HW_CQ        = 0x16,
  83        MLX4_CMD_HW2SW_CQ        = 0x17,
  84        MLX4_CMD_QUERY_CQ        = 0x18,
  85        MLX4_CMD_MODIFY_CQ       = 0x2c,
  86
  87        /* SRQ commands */
  88        MLX4_CMD_SW2HW_SRQ       = 0x35,
  89        MLX4_CMD_HW2SW_SRQ       = 0x36,
  90        MLX4_CMD_QUERY_SRQ       = 0x37,
  91        MLX4_CMD_ARM_SRQ         = 0x40,
  92
  93        /* QP/EE commands */
  94        MLX4_CMD_RST2INIT_QP     = 0x19,
  95        MLX4_CMD_INIT2RTR_QP     = 0x1a,
  96        MLX4_CMD_RTR2RTS_QP      = 0x1b,
  97        MLX4_CMD_RTS2RTS_QP      = 0x1c,
  98        MLX4_CMD_SQERR2RTS_QP    = 0x1d,
  99        MLX4_CMD_2ERR_QP         = 0x1e,
 100        MLX4_CMD_RTS2SQD_QP      = 0x1f,
 101        MLX4_CMD_SQD2SQD_QP      = 0x38,
 102        MLX4_CMD_SQD2RTS_QP      = 0x20,
 103        MLX4_CMD_2RST_QP         = 0x21,
 104        MLX4_CMD_QUERY_QP        = 0x22,
 105        MLX4_CMD_INIT2INIT_QP    = 0x2d,
 106        MLX4_CMD_SUSPEND_QP      = 0x32,
 107        MLX4_CMD_UNSUSPEND_QP    = 0x33,
 108        /* special QP and management commands */
 109        MLX4_CMD_CONF_SPECIAL_QP = 0x23,
 110        MLX4_CMD_MAD_IFC         = 0x24,
 111
 112        /* multicast commands */
 113        MLX4_CMD_READ_MCG        = 0x25,
 114        MLX4_CMD_WRITE_MCG       = 0x26,
 115        MLX4_CMD_MGID_HASH       = 0x27,
 116
 117        /* miscellaneous commands */
 118        MLX4_CMD_DIAG_RPRT       = 0x30,
 119        MLX4_CMD_NOP             = 0x31,
 120
 121        /* debug commands */
 122        MLX4_CMD_QUERY_DEBUG_MSG = 0x2a,
 123        MLX4_CMD_SET_DEBUG_MSG   = 0x2b,
 124};
 125
 126enum {
 127        MLX4_CMD_TIME_CLASS_A   = 10000,
 128        MLX4_CMD_TIME_CLASS_B   = 10000,
 129        MLX4_CMD_TIME_CLASS_C   = 10000,
 130};
 131
 132enum {
 133        MLX4_MAILBOX_SIZE       =  4096
 134};
 135
 136enum {
 137        /* set port opcode modifiers */
 138        MLX4_SET_PORT_GENERAL   = 0x0,
 139        MLX4_SET_PORT_RQP_CALC  = 0x1,
 140        MLX4_SET_PORT_MAC_TABLE = 0x2,
 141        MLX4_SET_PORT_VLAN_TABLE = 0x3,
 142        MLX4_SET_PORT_PRIO_MAP  = 0x4,
 143};
 144
 145struct mlx4_dev;
 146
 147struct mlx4_cmd_mailbox {
 148        void                   *buf;
 149        dma_addr_t              dma;
 150};
 151
 152int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 153               int out_is_imm, u32 in_modifier, u8 op_modifier,
 154               u16 op, unsigned long timeout);
 155
 156/* Invoke a command with no output parameter */
 157static inline int mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u32 in_modifier,
 158                           u8 op_modifier, u16 op, unsigned long timeout)
 159{
 160        return __mlx4_cmd(dev, in_param, NULL, 0, in_modifier,
 161                          op_modifier, op, timeout);
 162}
 163
 164/* Invoke a command with an output mailbox */
 165static inline int mlx4_cmd_box(struct mlx4_dev *dev, u64 in_param, u64 out_param,
 166                               u32 in_modifier, u8 op_modifier, u16 op,
 167                               unsigned long timeout)
 168{
 169        return __mlx4_cmd(dev, in_param, &out_param, 0, in_modifier,
 170                          op_modifier, op, timeout);
 171}
 172
 173/*
 174 * Invoke a command with an immediate output parameter (and copy the
 175 * output into the caller's out_param pointer after the command
 176 * executes).
 177 */
 178static inline int mlx4_cmd_imm(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 179                               u32 in_modifier, u8 op_modifier, u16 op,
 180                               unsigned long timeout)
 181{
 182        return __mlx4_cmd(dev, in_param, out_param, 1, in_modifier,
 183                          op_modifier, op, timeout);
 184}
 185
 186struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev);
 187void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox);
 188
 189#endif /* MLX4_CMD_H */
 190