drivers/net/txgbe/txgbe_regs_group.h

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