drivers/raw/ntb/rte_pmd_ntb.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation.
   3  */
   4
   5 #ifndef _RTE_PMD_NTB_H_
   6 #define _RTE_PMD_NTB_H_
   7
   8 /* App needs to set/get these attrs */
   9 #define NTB_QUEUE_SZ_NAME           "queue_size"
  10 #define NTB_QUEUE_NUM_NAME          "queue_num"
  11 #define NTB_TOPO_NAME               "topo"
  12 #define NTB_LINK_STATUS_NAME        "link_status"
  13 #define NTB_SPEED_NAME              "speed"
  14 #define NTB_WIDTH_NAME              "width"
  15 #define NTB_MW_CNT_NAME             "mw_count"
  16 #define NTB_DB_CNT_NAME             "db_count"
  17 #define NTB_SPAD_CNT_NAME           "spad_count"
  18
  19 #define NTB_MAX_DESC_SIZE           1024
  20 #define NTB_MIN_DESC_SIZE           64
  21
  22 struct ntb_dev_info {
  23         uint32_t ntb_hdr_size;
  24         /**< memzone needs to be mw size align or not. */
  25         uint8_t mw_size_align;
  26         uint8_t mw_cnt;
  27         uint64_t *mw_size;
  28 };
  29
  30 struct ntb_dev_config {
  31         uint16_t num_queues;
  32         uint16_t queue_size;
  33         uint8_t mz_num;
  34         const struct rte_memzone **mz_list;
  35 };
  36
  37 struct ntb_queue_conf {
  38         uint16_t nb_desc;
  39         uint16_t tx_free_thresh;
  40         struct rte_mempool *rx_mp;
  41 };
  42
  43 #endif /* _RTE_PMD_NTB_H_ */