drivers/net/txgbe/txgbe_regs_group.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2020 Beijing WangXun Technology Co., Ltd.
   3  * Copyright(c) 2010-2017 Intel Corporation
   4  */
   5
   6 #ifndef _TXGBE_REGS_GROUP_H_
   7 #define _TXGBE_REGS_GROUP_H_
   8
   9 #include "txgbe_ethdev.h"
  10
  11 struct txgbe_hw;
  12 struct reg_info {
  13         uint32_t base_addr;
  14         uint32_t count;
  15         uint32_t stride;
  16         const char *name;
  17 };
  18
  19 static inline int
  20 txgbe_read_regs(struct txgbe_hw *hw, const struct reg_info *reg,
  21         uint32_t *reg_buf)
  22 {
  23         unsigned int i;
  24
  25         for (i = 0; i < reg->count; i++)
  26                 reg_buf[i] = rd32(hw,
  27                                         reg->base_addr + i * reg->stride);
  28         return reg->count;
  29 };
  30
  31 static inline int
  32 txgbe_regs_group_count(const struct reg_info *regs)
  33 {
  34         int count = 0;
  35         int i = 0;
  36
  37         while (regs[i].count)
  38                 count += regs[i++].count;
  39         return count;
  40 };
  41
  42 static inline int
  43 txgbe_read_regs_group(struct rte_eth_dev *dev, uint32_t *reg_buf,
  44                                           const struct reg_info *regs)
  45 {
  46         int count = 0;
  47         int i = 0;
  48         struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
  49
  50         while (regs[i].count)
  51                 count += txgbe_read_regs(hw, &regs[i++], &reg_buf[count]);
  52         return count;
  53 };
  54
  55 #endif /* _TXGBE_REGS_GROUP_H_ */