drivers/infiniband/hw/i40iw/i40iw_p.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.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  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_P_H
  36 #define I40IW_P_H
  37
  38 #define PAUSE_TIMER_VALUE  0xFFFF
  39 #define REFRESH_THRESHOLD  0x7FFF
  40 #define HIGH_THRESHOLD     0x800
  41 #define LOW_THRESHOLD      0x200
  42 #define ALL_TC2PFC         0xFF
  43
  44 void i40iw_debug_buf(struct i40iw_sc_dev *dev, enum i40iw_debug_flag mask,
  45                      char *desc, u64 *buf, u32 size);
  46 /* init operations */
  47 enum i40iw_status_code i40iw_device_init(struct i40iw_sc_dev *dev,
  48                                          struct i40iw_device_init_info *info);
  49
  50 enum i40iw_status_code i40iw_device_init_pestat(struct i40iw_dev_pestat *);
  51
  52 void i40iw_sc_cqp_post_sq(struct i40iw_sc_cqp *cqp);
  53
  54 u64 *i40iw_sc_cqp_get_next_send_wqe(struct i40iw_sc_cqp *cqp, u64 scratch);
  55
  56 enum i40iw_status_code i40iw_sc_mr_fast_register(struct i40iw_sc_qp *qp,
  57                                                  struct i40iw_fast_reg_stag_info *info,
  58                                                  bool post_sq);
  59
  60 /* HMC/FPM functions */
  61 enum i40iw_status_code i40iw_sc_init_iw_hmc(struct i40iw_sc_dev *dev,
  62                                             u8 hmc_fn_id);
  63
  64 enum i40iw_status_code i40iw_pf_init_vfhmc(struct i40iw_sc_dev *dev, u8 vf_hmc_fn_id,
  65                                            u32 *vf_cnt_array);
  66
  67 /* cqp misc functions */
  68
  69 void i40iw_terminate_send_fin(struct i40iw_sc_qp *qp);
  70
  71 void i40iw_terminate_connection(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info);
  72
  73 void i40iw_terminate_received(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info);
  74
  75 enum i40iw_status_code i40iw_sc_suspend_qp(struct i40iw_sc_cqp *cqp,
  76                                            struct i40iw_sc_qp *qp, u64 scratch);
  77
  78 enum i40iw_status_code i40iw_sc_resume_qp(struct i40iw_sc_cqp *cqp,
  79                                           struct i40iw_sc_qp *qp, u64 scratch);
  80
  81 enum i40iw_status_code i40iw_sc_static_hmc_pages_allocated(struct i40iw_sc_cqp *cqp,
  82                                                            u64 scratch, u8 hmc_fn_id,
  83                                                            bool post_sq,
  84                                                            bool poll_registers);
  85
  86 enum i40iw_status_code i40iw_config_fpm_values(struct i40iw_sc_dev *dev, u32 qp_count);
  87
  88 void free_sd_mem(struct i40iw_sc_dev *dev);
  89
  90 enum i40iw_status_code i40iw_process_cqp_cmd(struct i40iw_sc_dev *dev,
  91                                              struct cqp_commands_info *pcmdinfo);
  92
  93 enum i40iw_status_code i40iw_process_bh(struct i40iw_sc_dev *dev);
  94
  95 /* prototype for functions used for dynamic memory allocation */
  96 enum i40iw_status_code i40iw_allocate_dma_mem(struct i40iw_hw *hw,
  97                                               struct i40iw_dma_mem *mem, u64 size,
  98                                               u32 alignment);
  99 void i40iw_free_dma_mem(struct i40iw_hw *hw, struct i40iw_dma_mem *mem);
 100 enum i40iw_status_code i40iw_allocate_virt_mem(struct i40iw_hw *hw,
 101                                                struct i40iw_virt_mem *mem, u32 size);
 102 enum i40iw_status_code i40iw_free_virt_mem(struct i40iw_hw *hw,
 103                                            struct i40iw_virt_mem *mem);
 104 u8 i40iw_get_encoded_wqe_size(u32 wqsize, bool cqpsq);
 105
 106 #endif