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net: hns3: Add enable and process hw errors from IGU, EGU and NCSI 

This patch adds enable and processing of hw errors from IGU(Ingress Unit),
EGU(Egress Unit) and NCSI(Network Controller Sideband Interface).

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shiju Jose 2018-10-19 20:15:30 +01:00 committed by David S. Miller
parent 6d67ee9a27
commit bf1faf9415
3 changed files with 207 additions and 0 deletions
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9
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
View File

@ -212,6 +212,15 @@ enum hclge_opcode_type {
/* Error INT commands */
HCLGE_COMMON_ECC_INT_CFG = 0x1505,
HCLGE_IGU_EGU_TNL_INT_QUERY = 0x1802,
HCLGE_IGU_EGU_TNL_INT_EN = 0x1803,
HCLGE_IGU_EGU_TNL_INT_CLR = 0x1804,
HCLGE_IGU_COMMON_INT_QUERY = 0x1805,
HCLGE_IGU_COMMON_INT_EN = 0x1806,
HCLGE_IGU_COMMON_INT_CLR = 0x1807,
HCLGE_NCSI_INT_QUERY = 0x2400,
HCLGE_NCSI_INT_EN = 0x2401,
HCLGE_NCSI_INT_CLR = 0x2402,
};
#define HCLGE_TQP_REG_OFFSET 0x80000

190
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
View File

@ -85,6 +85,30 @@ static const struct hclge_hw_error hclge_tqp_int_ecc_int[] = {
{ /* sentinel */ }
};
static const struct hclge_hw_error hclge_igu_com_err_int[] = {
{ .int_msk = BIT(0), .msg = "igu_rx_buf0_ecc_mbit_err" },
{ .int_msk = BIT(1), .msg = "igu_rx_buf0_ecc_1bit_err" },
{ .int_msk = BIT(2), .msg = "igu_rx_buf1_ecc_mbit_err" },
{ .int_msk = BIT(3), .msg = "igu_rx_buf1_ecc_1bit_err" },
{ /* sentinel */ }
};
static const struct hclge_hw_error hclge_igu_egu_tnl_err_int[] = {
{ .int_msk = BIT(0), .msg = "rx_buf_overflow" },
{ .int_msk = BIT(1), .msg = "rx_stp_fifo_overflow" },
{ .int_msk = BIT(2), .msg = "rx_stp_fifo_undeflow" },
{ .int_msk = BIT(3), .msg = "tx_buf_overflow" },
{ .int_msk = BIT(4), .msg = "tx_buf_underrun" },
{ .int_msk = BIT(5), .msg = "rx_stp_buf_overflow" },
{ /* sentinel */ }
};
static const struct hclge_hw_error hclge_ncsi_err_int[] = {
{ .int_msk = BIT(0), .msg = "ncsi_tx_ecc_1bit_err" },
{ .int_msk = BIT(1), .msg = "ncsi_tx_ecc_mbit_err" },
{ /* sentinel */ }
};
static void hclge_log_error(struct device *dev,
const struct hclge_hw_error *err_list,
u32 err_sts)
@ -229,6 +253,75 @@ static int hclge_enable_common_error(struct hclge_dev *hdev, bool en)
return ret;
}
static int hclge_enable_ncsi_error(struct hclge_dev *hdev, bool en)
{
struct device *dev = &hdev->pdev->dev;
struct hclge_desc desc;
int ret;
if (hdev->pdev->revision < 0x21)
return 0;
/* enable/disable NCSI error interrupts */
hclge_cmd_setup_basic_desc(&desc, HCLGE_NCSI_INT_EN, false);
if (en)
desc.data[0] = cpu_to_le32(HCLGE_NCSI_ERR_INT_EN);
else
desc.data[0] = 0;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
dev_err(dev,
"failed(%d) to enable/disable NCSI error interrupts\n",
ret);
return ret;
}
static int hclge_enable_igu_egu_error(struct hclge_dev *hdev, bool en)
{
struct device *dev = &hdev->pdev->dev;
struct hclge_desc desc;
int ret;
/* enable/disable error interrupts */
hclge_cmd_setup_basic_desc(&desc, HCLGE_IGU_COMMON_INT_EN, false);
if (en)
desc.data[0] = cpu_to_le32(HCLGE_IGU_ERR_INT_EN);
else
desc.data[0] = 0;
desc.data[1] = cpu_to_le32(HCLGE_IGU_ERR_INT_EN_MASK);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(dev,
"failed(%d) to enable/disable IGU common interrupts\n",
ret);
return ret;
}
hclge_cmd_setup_basic_desc(&desc, HCLGE_IGU_EGU_TNL_INT_EN, false);
if (en)
desc.data[0] = cpu_to_le32(HCLGE_IGU_TNL_ERR_INT_EN);
else
desc.data[0] = 0;
desc.data[1] = cpu_to_le32(HCLGE_IGU_TNL_ERR_INT_EN_MASK);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(dev,
"failed(%d) to enable/disable IGU-EGU TNL interrupts\n",
ret);
return ret;
}
ret = hclge_enable_ncsi_error(hdev, en);
if (ret)
dev_err(dev, "fail(%d) to en/disable err int\n", ret);
return ret;
}
static void hclge_process_common_error(struct hclge_dev *hdev,
enum hclge_err_int_type type)
{
@ -285,7 +378,104 @@ static void hclge_process_common_error(struct hclge_dev *hdev,
ret);
}
static void hclge_process_ncsi_error(struct hclge_dev *hdev,
enum hclge_err_int_type type)
{
struct device *dev = &hdev->pdev->dev;
struct hclge_desc desc_rd;
struct hclge_desc desc_wr;
u32 err_sts;
int ret;
if (hdev->pdev->revision < 0x21)
return;
/* read NCSI error status */
ret = hclge_cmd_query_error(hdev, &desc_rd, HCLGE_NCSI_INT_QUERY,
0, 1, HCLGE_NCSI_ERR_INT_TYPE);
if (ret) {
dev_err(dev,
"failed(=%d) to query NCSI error interrupt status\n",
ret);
return;
}
/* log err */
err_sts = le32_to_cpu(desc_rd.data[0]);
hclge_log_error(dev, &hclge_ncsi_err_int[0], err_sts);
/* clear err int */
ret = hclge_cmd_clear_error(hdev, &desc_wr, &desc_rd,
HCLGE_NCSI_INT_CLR, 0);
if (ret)
dev_err(dev, "failed(=%d) to clear NCSI intrerrupt status\n",
ret);
}
static void hclge_process_igu_egu_error(struct hclge_dev *hdev,
enum hclge_err_int_type int_type)
{
struct device *dev = &hdev->pdev->dev;
struct hclge_desc desc_rd;
struct hclge_desc desc_wr;
u32 err_sts;
int ret;
/* read IGU common err sts */
ret = hclge_cmd_query_error(hdev, &desc_rd,
HCLGE_IGU_COMMON_INT_QUERY,
0, 1, int_type);
if (ret) {
dev_err(dev, "failed(=%d) to query IGU common int status\n",
ret);
return;
}
/* log err */
err_sts = le32_to_cpu(desc_rd.data[0]) &
HCLGE_IGU_COM_INT_MASK;
hclge_log_error(dev, &hclge_igu_com_err_int[0], err_sts);
/* clear err int */
ret = hclge_cmd_clear_error(hdev, &desc_wr, &desc_rd,
HCLGE_IGU_COMMON_INT_CLR, 0);
if (ret) {
dev_err(dev, "failed(=%d) to clear IGU common int status\n",
ret);
return;
}
/* read IGU-EGU TNL err sts */
ret = hclge_cmd_query_error(hdev, &desc_rd,
HCLGE_IGU_EGU_TNL_INT_QUERY,
0, 1, int_type);
if (ret) {
dev_err(dev, "failed(=%d) to query IGU-EGU TNL int status\n",
ret);
return;
}
/* log err */
err_sts = le32_to_cpu(desc_rd.data[0]) &
HCLGE_IGU_EGU_TNL_INT_MASK;
hclge_log_error(dev, &hclge_igu_egu_tnl_err_int[0], err_sts);
/* clear err int */
ret = hclge_cmd_clear_error(hdev, &desc_wr, &desc_rd,
HCLGE_IGU_EGU_TNL_INT_CLR, 0);
if (ret) {
dev_err(dev, "failed(=%d) to clear IGU-EGU TNL int status\n",
ret);
return;
}
hclge_process_ncsi_error(hdev, HCLGE_ERR_INT_RAS_NFE);
}
static const struct hclge_hw_blk hw_blk[] = {
{ .msk = BIT(0), .name = "IGU_EGU",
.enable_error = hclge_enable_igu_egu_error,
.process_error = hclge_process_igu_egu_error, },
{ .msk = BIT(5), .name = "COMMON",
.enable_error = hclge_enable_common_error,
.process_error = hclge_process_common_error, },

8
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
View File

@ -23,6 +23,12 @@
#define HCLGE_IMP_RD_POISON_ERR_INT_EN_MASK 0x0100
#define HCLGE_TQP_ECC_ERR_INT_EN 0x0FFF
#define HCLGE_TQP_ECC_ERR_INT_EN_MASK 0x0FFF
#define HCLGE_IGU_ERR_INT_EN 0x0000066F
#define HCLGE_IGU_ERR_INT_EN_MASK 0x000F
#define HCLGE_IGU_TNL_ERR_INT_EN 0x0002AABF
#define HCLGE_IGU_TNL_ERR_INT_EN_MASK 0x003F
#define HCLGE_NCSI_ERR_INT_EN 0x3
#define HCLGE_NCSI_ERR_INT_TYPE 0x9
#define HCLGE_IMP_TCM_ECC_INT_MASK 0xFFFF
#define HCLGE_IMP_ITCM4_ECC_INT_MASK 0x3
@ -35,6 +41,8 @@
#define HCLGE_CMDQ_NIC_ECC_CLR_MASK 0xFFFF
#define HCLGE_CMDQ_ROCEE_ECC_CLR_MASK 0xFFFF0000
#define HCLGE_TQP_IMP_ERR_CLR_MASK 0x0FFF0001
#define HCLGE_IGU_COM_INT_MASK 0xF
#define HCLGE_IGU_EGU_TNL_INT_MASK 0x3F
enum hclge_err_int_type {
HCLGE_ERR_INT_MSIX = 0,