drivers/infiniband/hw/i40iw/i40iw_virtchnl.h

   1 /*******************************************************************************
   2 *
   3 * Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenFabrics.org BSD license below:
  10 *
  11 *   Redistribution and use in source and binary forms, with or
  12 *   without modification, are permitted provided that the following
  13 *   conditions are met:
  14 *
  15 *    - Redistributions of source code must retain the above
  16 *       copyright notice, this list of conditions and the following
  17 *       disclaimer.
  18 *
  19 *    - Redistributions in binary form must reproduce the above
  20 *       copyright notice, this list of conditions and the following
  21 *       disclaimer in the documentation and/or other materials
  22 *       provided with the distribution.
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  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 *
  33 *******************************************************************************/
  34
  35 #ifndef I40IW_VIRTCHNL_H
  36 #define I40IW_VIRTCHNL_H
  37
  38 #include "i40iw_hmc.h"
  39
  40 #pragma pack(push, 1)
  41
  42 struct i40iw_virtchnl_op_buf {
  43         u16 iw_op_code;
  44         u16 iw_op_ver;
  45         u16 iw_chnl_buf_len;
  46         u16 rsvd;
  47         u64 iw_chnl_op_ctx;
  48         /* Member alignment MUST be maintained above this location */
  49         u8 iw_chnl_buf[1];
  50 };
  51
  52 struct i40iw_virtchnl_resp_buf {
  53         u64 iw_chnl_op_ctx;
  54         u16 iw_chnl_buf_len;
  55         s16 iw_op_ret_code;
  56         /* Member alignment MUST be maintained above this location */
  57         u16 rsvd[2];
  58         u8 iw_chnl_buf[1];
  59 };
  60
  61 enum i40iw_virtchnl_ops {
  62         I40IW_VCHNL_OP_GET_VER = 0,
  63         I40IW_VCHNL_OP_GET_HMC_FCN,
  64         I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE,
  65         I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE,
  66         I40IW_VCHNL_OP_GET_STATS
  67 };
  68
  69 #define I40IW_VCHNL_OP_GET_VER_V0 0
  70 #define I40IW_VCHNL_OP_GET_HMC_FCN_V0 0
  71 #define I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE_V0 0
  72 #define I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE_V0 0
  73 #define I40IW_VCHNL_OP_GET_STATS_V0 0
  74 #define I40IW_VCHNL_CHNL_VER_V0 0
  75
  76 struct i40iw_dev_hw_stats;
  77
  78 struct i40iw_virtchnl_hmc_obj_range {
  79         u16 obj_type;
  80         u16 rsvd;
  81         u32 start_index;
  82         u32 obj_count;
  83 };
  84
  85 enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev,
  86                                            u32 vf_id,
  87                                            u8 *msg,
  88                                            u16 len);
  89
  90 enum i40iw_status_code i40iw_vchnl_recv_vf(struct i40iw_sc_dev *dev,
  91                                            u32 vf_id,
  92                                            u8 *msg,
  93                                            u16 len);
  94
  95 struct i40iw_virtchnl_req {
  96         struct i40iw_sc_dev *dev;
  97         struct i40iw_virtchnl_op_buf *vchnl_msg;
  98         void *parm;
  99         u32 vf_id;
 100         u16 parm_len;
 101         s16 ret_code;
 102 };
 103
 104 #pragma pack(pop)
 105
 106 enum i40iw_status_code i40iw_vchnl_vf_get_ver(struct i40iw_sc_dev *dev,
 107                                               u32 *vchnl_ver);
 108
 109 enum i40iw_status_code i40iw_vchnl_vf_get_hmc_fcn(struct i40iw_sc_dev *dev,
 110                                                   u16 *hmc_fcn);
 111
 112 enum i40iw_status_code i40iw_vchnl_vf_add_hmc_objs(struct i40iw_sc_dev *dev,
 113                                                    enum i40iw_hmc_rsrc_type rsrc_type,
 114                                                    u32 start_index,
 115                                                    u32 rsrc_count);
 116
 117 enum i40iw_status_code i40iw_vchnl_vf_del_hmc_obj(struct i40iw_sc_dev *dev,
 118                                                   enum i40iw_hmc_rsrc_type rsrc_type,
 119                                                   u32 start_index,
 120                                                   u32 rsrc_count);
 121
 122 enum i40iw_status_code i40iw_vchnl_vf_get_pe_stats(struct i40iw_sc_dev *dev,
 123                                                    struct i40iw_dev_hw_stats *hw_stats);
 124 #endif