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Subject[PATCH net-next 13/14] net: hns3: handle hw errors of SSU
Date
From: Shiju Jose <shiju.jose@huawei.com>

This patch enables and handles hw errors of the Storage Switch Unit(SSU).

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 2 +
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 187 +++++++++++++++++++++
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | 14 ++
3 files changed, 203 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 0223e83..eb91519 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -217,6 +217,8 @@ enum hclge_opcode_type {
/* Error INT commands */
HCLGE_MAC_COMMON_INT_EN = 0x030E,
HCLGE_TM_SCH_ECC_INT_EN = 0x0829,
+ HCLGE_SSU_ECC_INT_CMD = 0x0989,
+ HCLGE_SSU_COMMON_INT_CMD = 0x098C,
HCLGE_PPU_MPF_ECC_INT_CMD = 0x0B40,
HCLGE_PPU_MPF_OTHER_INT_CMD = 0x0B41,
HCLGE_PPU_PF_OTHER_INT_CMD = 0x0B42,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index 00086ce..660320d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -263,6 +263,80 @@ static const struct hclge_hw_error hclge_ppu_pf_abnormal_int[] = {
{ /* sentinel */ }
};

+static const struct hclge_hw_error hclge_ssu_com_err_int[] = {
+ { .int_msk = BIT(0), .msg = "buf_sum_err" },
+ { .int_msk = BIT(1), .msg = "ppp_mb_num_err" },
+ { .int_msk = BIT(2), .msg = "ppp_mbid_err" },
+ { .int_msk = BIT(3), .msg = "ppp_rlt_mac_err" },
+ { .int_msk = BIT(4), .msg = "ppp_rlt_host_err" },
+ { .int_msk = BIT(5), .msg = "cks_edit_position_err" },
+ { .int_msk = BIT(6), .msg = "cks_edit_condition_err" },
+ { .int_msk = BIT(7), .msg = "vlan_edit_condition_err" },
+ { .int_msk = BIT(8), .msg = "vlan_num_ot_err" },
+ { .int_msk = BIT(9), .msg = "vlan_num_in_err" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ssu_port_based_err_int[] = {
+ { .int_msk = BIT(0), .msg = "roc_pkt_without_key_port" },
+ { .int_msk = BIT(1), .msg = "tpu_pkt_without_key_port" },
+ { .int_msk = BIT(2), .msg = "igu_pkt_without_key_port" },
+ { .int_msk = BIT(3), .msg = "roc_eof_mis_match_port" },
+ { .int_msk = BIT(4), .msg = "tpu_eof_mis_match_port" },
+ { .int_msk = BIT(5), .msg = "igu_eof_mis_match_port" },
+ { .int_msk = BIT(6), .msg = "roc_sof_mis_match_port" },
+ { .int_msk = BIT(7), .msg = "tpu_sof_mis_match_port" },
+ { .int_msk = BIT(8), .msg = "igu_sof_mis_match_port" },
+ { .int_msk = BIT(11), .msg = "ets_rd_int_rx_port" },
+ { .int_msk = BIT(12), .msg = "ets_wr_int_rx_port" },
+ { .int_msk = BIT(13), .msg = "ets_rd_int_tx_port" },
+ { .int_msk = BIT(14), .msg = "ets_wr_int_tx_port" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ssu_fifo_overflow_int[] = {
+ { .int_msk = BIT(0), .msg = "ig_mac_inf_int" },
+ { .int_msk = BIT(1), .msg = "ig_host_inf_int" },
+ { .int_msk = BIT(2), .msg = "ig_roc_buf_int" },
+ { .int_msk = BIT(3), .msg = "ig_host_data_fifo_int" },
+ { .int_msk = BIT(4), .msg = "ig_host_key_fifo_int" },
+ { .int_msk = BIT(5), .msg = "tx_qcn_fifo_int" },
+ { .int_msk = BIT(6), .msg = "rx_qcn_fifo_int" },
+ { .int_msk = BIT(7), .msg = "tx_pf_rd_fifo_int" },
+ { .int_msk = BIT(8), .msg = "rx_pf_rd_fifo_int" },
+ { .int_msk = BIT(9), .msg = "qm_eof_fifo_int" },
+ { .int_msk = BIT(10), .msg = "mb_rlt_fifo_int" },
+ { .int_msk = BIT(11), .msg = "dup_uncopy_fifo_int" },
+ { .int_msk = BIT(12), .msg = "dup_cnt_rd_fifo_int" },
+ { .int_msk = BIT(13), .msg = "dup_cnt_drop_fifo_int" },
+ { .int_msk = BIT(14), .msg = "dup_cnt_wrb_fifo_int" },
+ { .int_msk = BIT(15), .msg = "host_cmd_fifo_int" },
+ { .int_msk = BIT(16), .msg = "mac_cmd_fifo_int" },
+ { .int_msk = BIT(17), .msg = "host_cmd_bitmap_empty_int" },
+ { .int_msk = BIT(18), .msg = "mac_cmd_bitmap_empty_int" },
+ { .int_msk = BIT(19), .msg = "dup_bitmap_empty_int" },
+ { .int_msk = BIT(20), .msg = "out_queue_bitmap_empty_int" },
+ { .int_msk = BIT(21), .msg = "bank2_bitmap_empty_int" },
+ { .int_msk = BIT(22), .msg = "bank1_bitmap_empty_int" },
+ { .int_msk = BIT(23), .msg = "bank0_bitmap_empty_int" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ssu_ets_tcg_int[] = {
+ { .int_msk = BIT(0), .msg = "ets_rd_int_rx_tcg" },
+ { .int_msk = BIT(1), .msg = "ets_wr_int_rx_tcg" },
+ { .int_msk = BIT(2), .msg = "ets_rd_int_tx_tcg" },
+ { .int_msk = BIT(3), .msg = "ets_wr_int_tx_tcg" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ssu_port_based_pf_int[] = {
+ { .int_msk = BIT(0), .msg = "roc_pkt_without_key_port" },
+ { .int_msk = BIT(9), .msg = "low_water_line_err_port" },
+ { .int_msk = BIT(10), .msg = "hi_water_line_err_port" },
+ { /* sentinel */ }
+};
+
static void hclge_log_error(struct device *dev, char *reg,
const struct hclge_hw_error *err,
u32 err_sts)
@@ -606,6 +680,63 @@ static int hclge_config_ppu_hw_err_int(struct hclge_dev *hdev, bool en)
return ret;
}

+static int hclge_config_ssu_hw_err_int(struct hclge_dev *hdev, bool en)
+{
+ struct device *dev = &hdev->pdev->dev;
+ struct hclge_desc desc[2];
+ int ret;
+
+ /* configure SSU ecc error interrupts */
+ hclge_cmd_setup_basic_desc(&desc[0], HCLGE_SSU_ECC_INT_CMD, false);
+ desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
+ hclge_cmd_setup_basic_desc(&desc[1], HCLGE_SSU_ECC_INT_CMD, false);
+ if (en) {
+ desc[0].data[0] = cpu_to_le32(HCLGE_SSU_1BIT_ECC_ERR_INT_EN);
+ desc[0].data[1] =
+ cpu_to_le32(HCLGE_SSU_MULTI_BIT_ECC_ERR_INT_EN);
+ desc[0].data[4] = cpu_to_le32(HCLGE_SSU_BIT32_ECC_ERR_INT_EN);
+ }
+
+ desc[1].data[0] = cpu_to_le32(HCLGE_SSU_1BIT_ECC_ERR_INT_EN_MASK);
+ desc[1].data[1] = cpu_to_le32(HCLGE_SSU_MULTI_BIT_ECC_ERR_INT_EN_MASK);
+ desc[1].data[2] = cpu_to_le32(HCLGE_SSU_BIT32_ECC_ERR_INT_EN_MASK);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc[0], 2);
+ if (ret) {
+ dev_err(dev,
+ "fail(%d) to configure SSU ECC error interrupt\n", ret);
+ return ret;
+ }
+
+ /* configure SSU common error interrupts */
+ hclge_cmd_setup_basic_desc(&desc[0], HCLGE_SSU_COMMON_INT_CMD, false);
+ desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
+ hclge_cmd_setup_basic_desc(&desc[1], HCLGE_SSU_COMMON_INT_CMD, false);
+
+ if (en) {
+ if (hdev->pdev->revision >= 0x21)
+ desc[0].data[0] =
+ cpu_to_le32(HCLGE_SSU_COMMON_INT_EN);
+ else
+ desc[0].data[0] =
+ cpu_to_le32(HCLGE_SSU_COMMON_INT_EN & ~BIT(5));
+ desc[0].data[1] = cpu_to_le32(HCLGE_SSU_PORT_BASED_ERR_INT_EN);
+ desc[0].data[2] =
+ cpu_to_le32(HCLGE_SSU_FIFO_OVERFLOW_ERR_INT_EN);
+ }
+
+ desc[1].data[0] = cpu_to_le32(HCLGE_SSU_COMMON_INT_EN_MASK |
+ HCLGE_SSU_PORT_BASED_ERR_INT_EN_MASK);
+ desc[1].data[1] = cpu_to_le32(HCLGE_SSU_FIFO_OVERFLOW_ERR_INT_EN_MASK);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc[0], 2);
+ if (ret)
+ dev_err(dev,
+ "fail(%d) to configure SSU COMMON error intr\n", ret);
+
+ return ret;
+}
+
#define HCLGE_SET_DEFAULT_RESET_REQUEST(reset_type) \
do { \
if (ae_dev->ops->set_default_reset_request) \
@@ -676,6 +807,27 @@ static int hclge_handle_mpf_ras_error(struct hclge_dev *hdev,
HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
}

+ /* log SSU(Storage Switch Unit) errors */
+ desc_data = (__le32 *)&desc[2];
+ status = le32_to_cpu(*(desc_data + 2));
+ if (status) {
+ dev_warn(dev, "SSU_ECC_MULTI_BIT_INT_0 ssu_ecc_mbit_int[31:0]\n");
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
+ }
+
+ status = le32_to_cpu(*(desc_data + 3)) & BIT(0);
+ if (status) {
+ dev_warn(dev, "SSU_ECC_MULTI_BIT_INT_1 ssu_ecc_mbit_int[32]\n");
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
+ }
+
+ status = le32_to_cpu(*(desc_data + 4)) & HCLGE_SSU_COMMON_ERR_INT_MASK;
+ if (status) {
+ hclge_log_error(dev, "SSU_COMMON_ERR_INT",
+ &hclge_ssu_com_err_int[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_GLOBAL_RESET);
+ }
+
/* log IGU(Ingress Unit) errors */
desc_data = (__le32 *)&desc[3];
status = le32_to_cpu(*desc_data) & HCLGE_IGU_INT_MASK;
@@ -775,6 +927,7 @@ static int hclge_handle_pf_ras_error(struct hclge_dev *hdev,
struct hclge_desc *desc,
int num)
{
+ struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
struct device *dev = &hdev->pdev->dev;
__le32 *desc_data;
u32 status;
@@ -791,6 +944,28 @@ static int hclge_handle_pf_ras_error(struct hclge_dev *hdev,
return ret;
}

+ /* log SSU(Storage Switch Unit) errors */
+ status = le32_to_cpu(desc[0].data[0]);
+ if (status) {
+ hclge_log_error(dev, "SSU_PORT_BASED_ERR_INT",
+ &hclge_ssu_port_based_err_int[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_GLOBAL_RESET);
+ }
+
+ status = le32_to_cpu(desc[0].data[1]);
+ if (status) {
+ hclge_log_error(dev, "SSU_FIFO_OVERFLOW_INT",
+ &hclge_ssu_fifo_overflow_int[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_GLOBAL_RESET);
+ }
+
+ status = le32_to_cpu(desc[0].data[2]);
+ if (status) {
+ hclge_log_error(dev, "SSU_ETS_TCG_INT",
+ &hclge_ssu_ets_tcg_int[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_GLOBAL_RESET);
+ }
+
/* log IGU(Ingress Unit) EGU(Egress Unit) TNL errors */
desc_data = (__le32 *)&desc[1];
status = le32_to_cpu(*desc_data) & HCLGE_IGU_EGU_TNL_INT_MASK;
@@ -858,6 +1033,10 @@ static const struct hclge_hw_blk hw_blk[] = {
.config_err_int = hclge_config_ppp_hw_err_int,
},
{
+ .msk = BIT(2), .name = "SSU",
+ .config_err_int = hclge_config_ssu_hw_err_int,
+ },
+ {
.msk = BIT(3), .name = "PPU",
.config_err_int = hclge_config_ppu_hw_err_int,
},
@@ -1009,6 +1188,14 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev,
goto msi_error;
}

+ /* log SSU PF errors */
+ status = le32_to_cpu(desc[0].data[0]) & HCLGE_SSU_PORT_INT_MSIX_MASK;
+ if (status) {
+ hclge_log_error(dev, "SSU_PORT_BASED_ERR_INT",
+ &hclge_ssu_port_based_pf_int[0], status);
+ set_bit(HNAE3_GLOBAL_RESET, reset_requests);
+ }
+
/* read and log PPP PF errors */
desc_data = (__le32 *)&desc[2];
status = le32_to_cpu(*desc_data);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index 970d356..d2077f2 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -58,7 +58,21 @@
#define HCLGE_PPU_MPF_ABNORMAL_INT3_EN_MASK GENMASK(23, 16)
#define HCLGE_PPU_PF_ABNORMAL_INT_EN GENMASK(5, 0)
#define HCLGE_PPU_PF_ABNORMAL_INT_EN_MASK GENMASK(5, 0)
+#define HCLGE_SSU_1BIT_ECC_ERR_INT_EN GENMASK(31, 0)
+#define HCLGE_SSU_1BIT_ECC_ERR_INT_EN_MASK GENMASK(31, 0)
+#define HCLGE_SSU_MULTI_BIT_ECC_ERR_INT_EN GENMASK(31, 0)
+#define HCLGE_SSU_MULTI_BIT_ECC_ERR_INT_EN_MASK GENMASK(31, 0)
+#define HCLGE_SSU_BIT32_ECC_ERR_INT_EN 0x0101
+#define HCLGE_SSU_BIT32_ECC_ERR_INT_EN_MASK 0x0101
+#define HCLGE_SSU_COMMON_INT_EN GENMASK(9, 0)
+#define HCLGE_SSU_COMMON_INT_EN_MASK GENMASK(9, 0)
+#define HCLGE_SSU_PORT_BASED_ERR_INT_EN 0x0BFF
+#define HCLGE_SSU_PORT_BASED_ERR_INT_EN_MASK 0x0BFF0000
+#define HCLGE_SSU_FIFO_OVERFLOW_ERR_INT_EN GENMASK(23, 0)
+#define HCLGE_SSU_FIFO_OVERFLOW_ERR_INT_EN_MASK GENMASK(23, 0)

+#define HCLGE_SSU_COMMON_ERR_INT_MASK GENMASK(9, 0)
+#define HCLGE_SSU_PORT_INT_MSIX_MASK 0x7BFF
#define HCLGE_IGU_INT_MASK GENMASK(3, 0)
#define HCLGE_IGU_EGU_TNL_INT_MASK GENMASK(5, 0)
#define HCLGE_PPP_MPF_INT_ST3_MASK GENMASK(5, 0)
--
2.7.4

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