[v5,4/7] net/hns3: remove dump format of registers

Message ID 20240307030247.599394-5-haijie1@huawei.com (mailing list archive)
State Superseded
Delegated to: Ferruh Yigit
Headers
Series support dump reigser names and filter them |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Jie Hai March 7, 2024, 3:02 a.m. UTC
  Since the driver is going to support reporting names of
all registers, remove the counter and insert of separators
between different register modules.

Signed-off-by: Jie Hai <haijie1@huawei.com>
---
 drivers/net/hns3/hns3_regs.c | 67 ++++++++++--------------------------
 1 file changed, 18 insertions(+), 49 deletions(-)
  

Comments

lihuisong (C) March 8, 2024, 9:17 a.m. UTC | #1
Hi Jie,

A few trivial comments inline,
after changed, you can add
Reviewed-by: Huisong Li <lihuisong@huawei.com>


在 2024/3/7 11:02, Jie Hai 写道:
> Since the driver is going to support reporting names of
> all registers, remove the counter and insert of separators
> between different register modules.
>
> Signed-off-by: Jie Hai <haijie1@huawei.com>
> ---
>   drivers/net/hns3/hns3_regs.c | 67 ++++++++++--------------------------
>   1 file changed, 18 insertions(+), 49 deletions(-)
>
> diff --git a/drivers/net/hns3/hns3_regs.c b/drivers/net/hns3/hns3_regs.c
> index d77170481a3d..b1c0d538a3c8 100644
> --- a/drivers/net/hns3/hns3_regs.c
> +++ b/drivers/net/hns3/hns3_regs.c
> @@ -10,12 +10,9 @@
>   #include "hns3_rxtx.h"
>   #include "hns3_regs.h"
>   
> -#define MAX_SEPARATE_NUM	4
> -#define SEPARATOR_VALUE		0xFFFFFFFF
> -#define REG_NUM_PER_LINE	4
> -#define REG_LEN_PER_LINE	(REG_NUM_PER_LINE * sizeof(uint32_t))
> +#define HNS3_64_BIT_REG_SIZE (sizeof(uint64_t) / sizeof(uint32_t))
how about HNS3_64_BIT_REG_OUTPUT_SIZE?
>   
> -static int hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines);
> +static int hns3_get_dfx_reg_cnt(struct hns3_hw *hw, uint32_t *count);
>   
>   static const uint32_t cmdq_reg_addrs[] = {HNS3_CMDQ_TX_ADDR_L_REG,
>   					  HNS3_CMDQ_TX_ADDR_H_REG,
> @@ -119,23 +116,22 @@ static int
>   hns3_get_regs_length(struct hns3_hw *hw, uint32_t *length)
>   {
>   	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
> -	uint32_t cmdq_lines, common_lines, ring_lines, tqp_intr_lines;
> +	uint32_t cmdq_cnt, common_cnt, ring_cnt, tqp_intr_cnt;
>   	uint32_t regs_num_32_bit, regs_num_64_bit;
> -	uint32_t dfx_reg_lines;
> +	uint32_t dfx_reg_cnt;
>   	uint32_t len;
>   	int ret;
>   
> -	cmdq_lines = sizeof(cmdq_reg_addrs) / REG_LEN_PER_LINE + 1;
> +	cmdq_cnt = sizeof(cmdq_reg_addrs);
>   	if (hns->is_vf)
> -		common_lines =
> -			sizeof(common_vf_reg_addrs) / REG_LEN_PER_LINE + 1;
> +		common_cnt = sizeof(common_vf_reg_addrs);
>   	else
> -		common_lines = sizeof(common_reg_addrs) / REG_LEN_PER_LINE + 1;
> -	ring_lines = sizeof(ring_reg_addrs) / REG_LEN_PER_LINE + 1;
> -	tqp_intr_lines = sizeof(tqp_intr_reg_addrs) / REG_LEN_PER_LINE + 1;
> +		common_cnt = sizeof(common_reg_addrs);
> +	ring_cnt = sizeof(ring_reg_addrs);
> +	tqp_intr_cnt = sizeof(tqp_intr_reg_addrs);
>   
> -	len = (cmdq_lines + common_lines + ring_lines * hw->tqps_num +
> -	      tqp_intr_lines * hw->intr_tqps_num) * REG_NUM_PER_LINE;
> +	len = cmdq_cnt + common_cnt + ring_cnt * hw->tqps_num +
> +	      tqp_intr_cnt * hw->intr_tqps_num;
remove these local variable like cmdq_cnt and comon_cnt and directly 
plus all sizeof()?
>   
>   	if (!hns->is_vf) {
>   		ret = hns3_get_regs_num(hw, &regs_num_32_bit, &regs_num_64_bit);
> @@ -144,18 +140,16 @@ hns3_get_regs_length(struct hns3_hw *hw, uint32_t *length)
>   				 "ret = %d.", ret);
>   			return ret;
>   		}
> -		dfx_reg_lines = regs_num_32_bit * sizeof(uint32_t) /
> -					REG_LEN_PER_LINE + 1;
> -		dfx_reg_lines += regs_num_64_bit * sizeof(uint64_t) /
> -					REG_LEN_PER_LINE + 1;
> +		dfx_reg_cnt = regs_num_32_bit +
> +			      regs_num_64_bit * HNS3_64_BIT_REG_SIZE;
>   
> -		ret = hns3_get_dfx_reg_line(hw, &dfx_reg_lines);
> +		ret = hns3_get_dfx_reg_cnt(hw, &dfx_reg_cnt);
>   		if (ret) {
>   			hns3_err(hw, "fail to get the number of dfx registers, "
>   				 "ret = %d.", ret);
>   			return ret;
>   		}
> -		len += dfx_reg_lines * REG_NUM_PER_LINE;
> +		len += dfx_reg_cnt;
>   	}
>   
>   	*length = len;
> @@ -276,18 +270,6 @@ hns3_get_64_bit_regs(struct hns3_hw *hw, uint32_t regs_num, void *data)
>   	return 0;
>   }
>   
> -static int
> -hns3_insert_reg_separator(int reg_num, uint32_t *data)
> -{
> -	int separator_num;
> -	int i;
> -
> -	separator_num = MAX_SEPARATE_NUM - reg_num % REG_NUM_PER_LINE;
> -	for (i = 0; i < separator_num; i++)
> -		*data++ = SEPARATOR_VALUE;
> -	return separator_num;
> -}
> -
>   static int
>   hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
>   {
> @@ -302,7 +284,6 @@ hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
>   	reg_num = sizeof(cmdq_reg_addrs) / sizeof(uint32_t);
>   	for (i = 0; i < reg_num; i++)
>   		*data++ = hns3_read_dev(hw, cmdq_reg_addrs[i]);
> -	data += hns3_insert_reg_separator(reg_num, data);
>   
>   	if (hns->is_vf)
>   		reg_num = sizeof(common_vf_reg_addrs) / sizeof(uint32_t);
> @@ -313,7 +294,6 @@ hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
>   			*data++ = hns3_read_dev(hw, common_vf_reg_addrs[i]);
>   		else
>   			*data++ = hns3_read_dev(hw, common_reg_addrs[i]);
> -	data += hns3_insert_reg_separator(reg_num, data);
>   
>   	reg_num = sizeof(ring_reg_addrs) / sizeof(uint32_t);
>   	for (j = 0; j < hw->tqps_num; j++) {
> @@ -321,7 +301,6 @@ hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
>   		for (i = 0; i < reg_num; i++)
>   			*data++ = hns3_read_dev(hw,
>   						ring_reg_addrs[i] + reg_offset);
> -		data += hns3_insert_reg_separator(reg_num, data);
>   	}
>   
>   	reg_num = sizeof(tqp_intr_reg_addrs) / sizeof(uint32_t);
> @@ -330,7 +309,6 @@ hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
>   		for (i = 0; i < reg_num; i++)
>   			*data++ = hns3_read_dev(hw, tqp_intr_reg_addrs[i] +
>   						reg_offset);
> -		data += hns3_insert_reg_separator(reg_num, data);
>   	}
>   	return data - origin_data_ptr;
>   }
> @@ -406,17 +384,15 @@ hns3_dfx_reg_fetch_data(struct hns3_cmd_desc *desc, int bd_num, uint32_t *reg)
>   		index = i % HNS3_CMD_DESC_DATA_NUM;
>   		*reg++ = desc[desc_index].data[index];
>   	}
> -	reg_num += hns3_insert_reg_separator(reg_num, reg);
>   
>   	return reg_num;
>   }
>   
>   static int
> -hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines)
> +hns3_get_dfx_reg_cnt(struct hns3_hw *hw, uint32_t *count)
>   {
>   	int opcode_num = RTE_DIM(hns3_dfx_reg_opcode_list);
>   	uint32_t bd_num_list[opcode_num];
> -	uint32_t bd_num, data_len;
>   	int ret;
>   	int i;
>   
> @@ -424,11 +400,8 @@ hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines)
hns3_get_dfx_reg_line --> hns3_get_dfx_reg_num?
>   	if (ret)
>   		return ret;
>   
> -	for (i = 0; i < opcode_num; i++) {
> -		bd_num = bd_num_list[i];
> -		data_len = bd_num * HNS3_CMD_DESC_DATA_NUM * sizeof(uint32_t);
> -		*lines += data_len / REG_LEN_PER_LINE + 1;
> -	}
> +	for (i = 0; i < opcode_num; i++)
> +		*count += bd_num_list[i] * HNS3_CMD_DESC_DATA_NUM;
>   
>   	return 0;
>   }
> @@ -475,7 +448,6 @@ hns3_get_dfx_regs(struct hns3_hw *hw, void **data)
>   int
>   hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
>   {
> -#define HNS3_64_BIT_REG_SIZE (sizeof(uint64_t) / sizeof(uint32_t))
>   	struct hns3_adapter *hns = eth_dev->data->dev_private;
>   	struct hns3_hw *hw = &hns->hw;
>   	uint32_t regs_num_32_bit;
> @@ -520,7 +492,6 @@ hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
>   		return ret;
>   	}
>   	data += regs_num_32_bit;
> -	data += hns3_insert_reg_separator(regs_num_32_bit, data);
>   
>   	ret = hns3_get_64_bit_regs(hw, regs_num_64_bit, data);
>   	if (ret) {
> @@ -528,8 +499,6 @@ hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
>   		return ret;
>   	}
>   	data += regs_num_64_bit * HNS3_64_BIT_REG_SIZE;
> -	data += hns3_insert_reg_separator(regs_num_64_bit *
> -					  HNS3_64_BIT_REG_SIZE, data);
>   
>   	return  hns3_get_dfx_regs(hw, (void **)&data);
>   }
  

Patch

diff --git a/drivers/net/hns3/hns3_regs.c b/drivers/net/hns3/hns3_regs.c
index d77170481a3d..b1c0d538a3c8 100644
--- a/drivers/net/hns3/hns3_regs.c
+++ b/drivers/net/hns3/hns3_regs.c
@@ -10,12 +10,9 @@ 
 #include "hns3_rxtx.h"
 #include "hns3_regs.h"
 
-#define MAX_SEPARATE_NUM	4
-#define SEPARATOR_VALUE		0xFFFFFFFF
-#define REG_NUM_PER_LINE	4
-#define REG_LEN_PER_LINE	(REG_NUM_PER_LINE * sizeof(uint32_t))
+#define HNS3_64_BIT_REG_SIZE (sizeof(uint64_t) / sizeof(uint32_t))
 
-static int hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines);
+static int hns3_get_dfx_reg_cnt(struct hns3_hw *hw, uint32_t *count);
 
 static const uint32_t cmdq_reg_addrs[] = {HNS3_CMDQ_TX_ADDR_L_REG,
 					  HNS3_CMDQ_TX_ADDR_H_REG,
@@ -119,23 +116,22 @@  static int
 hns3_get_regs_length(struct hns3_hw *hw, uint32_t *length)
 {
 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
-	uint32_t cmdq_lines, common_lines, ring_lines, tqp_intr_lines;
+	uint32_t cmdq_cnt, common_cnt, ring_cnt, tqp_intr_cnt;
 	uint32_t regs_num_32_bit, regs_num_64_bit;
-	uint32_t dfx_reg_lines;
+	uint32_t dfx_reg_cnt;
 	uint32_t len;
 	int ret;
 
-	cmdq_lines = sizeof(cmdq_reg_addrs) / REG_LEN_PER_LINE + 1;
+	cmdq_cnt = sizeof(cmdq_reg_addrs);
 	if (hns->is_vf)
-		common_lines =
-			sizeof(common_vf_reg_addrs) / REG_LEN_PER_LINE + 1;
+		common_cnt = sizeof(common_vf_reg_addrs);
 	else
-		common_lines = sizeof(common_reg_addrs) / REG_LEN_PER_LINE + 1;
-	ring_lines = sizeof(ring_reg_addrs) / REG_LEN_PER_LINE + 1;
-	tqp_intr_lines = sizeof(tqp_intr_reg_addrs) / REG_LEN_PER_LINE + 1;
+		common_cnt = sizeof(common_reg_addrs);
+	ring_cnt = sizeof(ring_reg_addrs);
+	tqp_intr_cnt = sizeof(tqp_intr_reg_addrs);
 
-	len = (cmdq_lines + common_lines + ring_lines * hw->tqps_num +
-	      tqp_intr_lines * hw->intr_tqps_num) * REG_NUM_PER_LINE;
+	len = cmdq_cnt + common_cnt + ring_cnt * hw->tqps_num +
+	      tqp_intr_cnt * hw->intr_tqps_num;
 
 	if (!hns->is_vf) {
 		ret = hns3_get_regs_num(hw, &regs_num_32_bit, &regs_num_64_bit);
@@ -144,18 +140,16 @@  hns3_get_regs_length(struct hns3_hw *hw, uint32_t *length)
 				 "ret = %d.", ret);
 			return ret;
 		}
-		dfx_reg_lines = regs_num_32_bit * sizeof(uint32_t) /
-					REG_LEN_PER_LINE + 1;
-		dfx_reg_lines += regs_num_64_bit * sizeof(uint64_t) /
-					REG_LEN_PER_LINE + 1;
+		dfx_reg_cnt = regs_num_32_bit +
+			      regs_num_64_bit * HNS3_64_BIT_REG_SIZE;
 
-		ret = hns3_get_dfx_reg_line(hw, &dfx_reg_lines);
+		ret = hns3_get_dfx_reg_cnt(hw, &dfx_reg_cnt);
 		if (ret) {
 			hns3_err(hw, "fail to get the number of dfx registers, "
 				 "ret = %d.", ret);
 			return ret;
 		}
-		len += dfx_reg_lines * REG_NUM_PER_LINE;
+		len += dfx_reg_cnt;
 	}
 
 	*length = len;
@@ -276,18 +270,6 @@  hns3_get_64_bit_regs(struct hns3_hw *hw, uint32_t regs_num, void *data)
 	return 0;
 }
 
-static int
-hns3_insert_reg_separator(int reg_num, uint32_t *data)
-{
-	int separator_num;
-	int i;
-
-	separator_num = MAX_SEPARATE_NUM - reg_num % REG_NUM_PER_LINE;
-	for (i = 0; i < separator_num; i++)
-		*data++ = SEPARATOR_VALUE;
-	return separator_num;
-}
-
 static int
 hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
 {
@@ -302,7 +284,6 @@  hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
 	reg_num = sizeof(cmdq_reg_addrs) / sizeof(uint32_t);
 	for (i = 0; i < reg_num; i++)
 		*data++ = hns3_read_dev(hw, cmdq_reg_addrs[i]);
-	data += hns3_insert_reg_separator(reg_num, data);
 
 	if (hns->is_vf)
 		reg_num = sizeof(common_vf_reg_addrs) / sizeof(uint32_t);
@@ -313,7 +294,6 @@  hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
 			*data++ = hns3_read_dev(hw, common_vf_reg_addrs[i]);
 		else
 			*data++ = hns3_read_dev(hw, common_reg_addrs[i]);
-	data += hns3_insert_reg_separator(reg_num, data);
 
 	reg_num = sizeof(ring_reg_addrs) / sizeof(uint32_t);
 	for (j = 0; j < hw->tqps_num; j++) {
@@ -321,7 +301,6 @@  hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
 		for (i = 0; i < reg_num; i++)
 			*data++ = hns3_read_dev(hw,
 						ring_reg_addrs[i] + reg_offset);
-		data += hns3_insert_reg_separator(reg_num, data);
 	}
 
 	reg_num = sizeof(tqp_intr_reg_addrs) / sizeof(uint32_t);
@@ -330,7 +309,6 @@  hns3_direct_access_regs(struct hns3_hw *hw, uint32_t *data)
 		for (i = 0; i < reg_num; i++)
 			*data++ = hns3_read_dev(hw, tqp_intr_reg_addrs[i] +
 						reg_offset);
-		data += hns3_insert_reg_separator(reg_num, data);
 	}
 	return data - origin_data_ptr;
 }
@@ -406,17 +384,15 @@  hns3_dfx_reg_fetch_data(struct hns3_cmd_desc *desc, int bd_num, uint32_t *reg)
 		index = i % HNS3_CMD_DESC_DATA_NUM;
 		*reg++ = desc[desc_index].data[index];
 	}
-	reg_num += hns3_insert_reg_separator(reg_num, reg);
 
 	return reg_num;
 }
 
 static int
-hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines)
+hns3_get_dfx_reg_cnt(struct hns3_hw *hw, uint32_t *count)
 {
 	int opcode_num = RTE_DIM(hns3_dfx_reg_opcode_list);
 	uint32_t bd_num_list[opcode_num];
-	uint32_t bd_num, data_len;
 	int ret;
 	int i;
 
@@ -424,11 +400,8 @@  hns3_get_dfx_reg_line(struct hns3_hw *hw, uint32_t *lines)
 	if (ret)
 		return ret;
 
-	for (i = 0; i < opcode_num; i++) {
-		bd_num = bd_num_list[i];
-		data_len = bd_num * HNS3_CMD_DESC_DATA_NUM * sizeof(uint32_t);
-		*lines += data_len / REG_LEN_PER_LINE + 1;
-	}
+	for (i = 0; i < opcode_num; i++)
+		*count += bd_num_list[i] * HNS3_CMD_DESC_DATA_NUM;
 
 	return 0;
 }
@@ -475,7 +448,6 @@  hns3_get_dfx_regs(struct hns3_hw *hw, void **data)
 int
 hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
 {
-#define HNS3_64_BIT_REG_SIZE (sizeof(uint64_t) / sizeof(uint32_t))
 	struct hns3_adapter *hns = eth_dev->data->dev_private;
 	struct hns3_hw *hw = &hns->hw;
 	uint32_t regs_num_32_bit;
@@ -520,7 +492,6 @@  hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
 		return ret;
 	}
 	data += regs_num_32_bit;
-	data += hns3_insert_reg_separator(regs_num_32_bit, data);
 
 	ret = hns3_get_64_bit_regs(hw, regs_num_64_bit, data);
 	if (ret) {
@@ -528,8 +499,6 @@  hns3_get_regs(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs)
 		return ret;
 	}
 	data += regs_num_64_bit * HNS3_64_BIT_REG_SIZE;
-	data += hns3_insert_reg_separator(regs_num_64_bit *
-					  HNS3_64_BIT_REG_SIZE, data);
 
 	return  hns3_get_dfx_regs(hw, (void **)&data);
 }