1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
3 * Copyright(c) 2010-2017 Intel Corporation
4 */
5
6 #ifndef _NGBE_REGS_GROUP_H_
7 #define _NGBE_REGS_GROUP_H_
8
9 #include "ngbe_ethdev.h"
10
11 struct ngbe_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
ngbe_read_regs(struct ngbe_hw * hw,const struct reg_info * reg,uint32_t * reg_buf)20 ngbe_read_regs(struct ngbe_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, reg->base_addr + i * reg->stride);
27 return reg->count;
28 };
29
30 static inline int
ngbe_regs_group_count(const struct reg_info * regs)31 ngbe_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
ngbe_read_regs_group(struct rte_eth_dev * dev,uint32_t * reg_buf,const struct reg_info * regs)42 ngbe_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 ngbe_hw *hw = ngbe_dev_hw(dev);
48
49 while (regs[i].count)
50 count += ngbe_read_regs(hw, ®s[i++], ®_buf[count]);
51 return count;
52 };
53
54 #endif /* _NGBE_REGS_GROUP_H_ */
55