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Subject[PATCH net-next 12/14] net: hns3: handle hw errors of PPU(RCB)
Date
From: Shiju Jose <shiju.jose@huawei.com>

This patch enables and handles hw RAS and MSIx errors of PPU(RCB).

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 | 3 +
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 162 +++++++++++++++++++++
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | 15 ++
3 files changed, 180 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 46af567..0223e83 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -217,6 +217,9 @@ enum hclge_opcode_type {
/* Error INT commands */
HCLGE_MAC_COMMON_INT_EN = 0x030E,
HCLGE_TM_SCH_ECC_INT_EN = 0x0829,
+ HCLGE_PPU_MPF_ECC_INT_CMD = 0x0B40,
+ HCLGE_PPU_MPF_OTHER_INT_CMD = 0x0B41,
+ HCLGE_PPU_PF_OTHER_INT_CMD = 0x0B42,
HCLGE_COMMON_ECC_INT_CFG = 0x1505,
HCLGE_QUERY_RAS_INT_STS_BD_NUM = 0x1510,
HCLGE_QUERY_CLEAR_MPF_RAS_INT = 0x1511,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index e82ef4f..00086ce 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -222,6 +222,47 @@ static const struct hclge_hw_error hclge_mac_afifo_tnl_int[] = {
{ /* sentinel */ }
};

+static const struct hclge_hw_error hclge_ppu_mpf_abnormal_int_st2[] = {
+ { .int_msk = BIT(13), .msg = "rpu_rx_pkt_bit32_ecc_mbit_err" },
+ { .int_msk = BIT(14), .msg = "rpu_rx_pkt_bit33_ecc_mbit_err" },
+ { .int_msk = BIT(15), .msg = "rpu_rx_pkt_bit34_ecc_mbit_err" },
+ { .int_msk = BIT(16), .msg = "rpu_rx_pkt_bit35_ecc_mbit_err" },
+ { .int_msk = BIT(17), .msg = "rcb_tx_ring_ecc_mbit_err" },
+ { .int_msk = BIT(18), .msg = "rcb_rx_ring_ecc_mbit_err" },
+ { .int_msk = BIT(19), .msg = "rcb_tx_fbd_ecc_mbit_err" },
+ { .int_msk = BIT(20), .msg = "rcb_rx_ebd_ecc_mbit_err" },
+ { .int_msk = BIT(21), .msg = "rcb_tso_info_ecc_mbit_err" },
+ { .int_msk = BIT(22), .msg = "rcb_tx_int_info_ecc_mbit_err" },
+ { .int_msk = BIT(23), .msg = "rcb_rx_int_info_ecc_mbit_err" },
+ { .int_msk = BIT(24), .msg = "tpu_tx_pkt_0_ecc_mbit_err" },
+ { .int_msk = BIT(25), .msg = "tpu_tx_pkt_1_ecc_mbit_err" },
+ { .int_msk = BIT(26), .msg = "rd_bus_err" },
+ { .int_msk = BIT(27), .msg = "wr_bus_err" },
+ { .int_msk = BIT(28), .msg = "reg_search_miss" },
+ { .int_msk = BIT(29), .msg = "rx_q_search_miss" },
+ { .int_msk = BIT(30), .msg = "ooo_ecc_err_detect" },
+ { .int_msk = BIT(31), .msg = "ooo_ecc_err_multpl" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ppu_mpf_abnormal_int_st3[] = {
+ { .int_msk = BIT(4), .msg = "gro_bd_ecc_mbit_err" },
+ { .int_msk = BIT(5), .msg = "gro_context_ecc_mbit_err" },
+ { .int_msk = BIT(6), .msg = "rx_stash_cfg_ecc_mbit_err" },
+ { .int_msk = BIT(7), .msg = "axi_rd_fbd_ecc_mbit_err" },
+ { /* sentinel */ }
+};
+
+static const struct hclge_hw_error hclge_ppu_pf_abnormal_int[] = {
+ { .int_msk = BIT(0), .msg = "over_8bd_no_fe" },
+ { .int_msk = BIT(1), .msg = "tso_mss_cmp_min_err" },
+ { .int_msk = BIT(2), .msg = "tso_mss_cmp_max_err" },
+ { .int_msk = BIT(3), .msg = "tx_rd_fbd_poison" },
+ { .int_msk = BIT(4), .msg = "rx_rd_ebd_poison" },
+ { .int_msk = BIT(5), .msg = "buf_wait_timeout" },
+ { /* sentinel */ }
+};
+
static void hclge_log_error(struct device *dev, char *reg,
const struct hclge_hw_error *err,
u32 err_sts)
@@ -489,6 +530,82 @@ static int hclge_config_mac_err_int(struct hclge_dev *hdev, bool en)
return ret;
}

+static int hclge_config_ppu_error_interrupts(struct hclge_dev *hdev, u32 cmd,
+ bool en)
+{
+ struct device *dev = &hdev->pdev->dev;
+ struct hclge_desc desc[2];
+ int num = 1;
+ int ret;
+
+ /* configure PPU error interrupts */
+ if (cmd == HCLGE_PPU_MPF_ECC_INT_CMD) {
+ hclge_cmd_setup_basic_desc(&desc[0], cmd, false);
+ desc[0].flag |= HCLGE_CMD_FLAG_NEXT;
+ hclge_cmd_setup_basic_desc(&desc[1], cmd, false);
+ if (en) {
+ desc[0].data[0] = HCLGE_PPU_MPF_ABNORMAL_INT0_EN;
+ desc[0].data[1] = HCLGE_PPU_MPF_ABNORMAL_INT1_EN;
+ desc[1].data[3] = HCLGE_PPU_MPF_ABNORMAL_INT3_EN;
+ desc[1].data[4] = HCLGE_PPU_MPF_ABNORMAL_INT2_EN;
+ }
+
+ desc[1].data[0] = HCLGE_PPU_MPF_ABNORMAL_INT0_EN_MASK;
+ desc[1].data[1] = HCLGE_PPU_MPF_ABNORMAL_INT1_EN_MASK;
+ desc[1].data[2] = HCLGE_PPU_MPF_ABNORMAL_INT2_EN_MASK;
+ desc[1].data[3] |= HCLGE_PPU_MPF_ABNORMAL_INT3_EN_MASK;
+ num = 2;
+ } else if (cmd == HCLGE_PPU_MPF_OTHER_INT_CMD) {
+ hclge_cmd_setup_basic_desc(&desc[0], cmd, false);
+ if (en)
+ desc[0].data[0] = HCLGE_PPU_MPF_ABNORMAL_INT2_EN2;
+
+ desc[0].data[2] = HCLGE_PPU_MPF_ABNORMAL_INT2_EN2_MASK;
+ } else if (cmd == HCLGE_PPU_PF_OTHER_INT_CMD) {
+ hclge_cmd_setup_basic_desc(&desc[0], cmd, false);
+ if (en)
+ desc[0].data[0] = HCLGE_PPU_PF_ABNORMAL_INT_EN;
+
+ desc[0].data[2] = HCLGE_PPU_PF_ABNORMAL_INT_EN_MASK;
+ } else {
+ dev_err(dev, "Invalid cmd to configure PPU error interrupts\n");
+ return -EINVAL;
+ }
+
+ ret = hclge_cmd_send(&hdev->hw, &desc[0], num);
+
+ return ret;
+}
+
+static int hclge_config_ppu_hw_err_int(struct hclge_dev *hdev, bool en)
+{
+ struct device *dev = &hdev->pdev->dev;
+ int ret;
+
+ ret = hclge_config_ppu_error_interrupts(hdev, HCLGE_PPU_MPF_ECC_INT_CMD,
+ en);
+ if (ret) {
+ dev_err(dev, "fail(%d) to configure PPU MPF ECC error intr\n",
+ ret);
+ return ret;
+ }
+
+ ret = hclge_config_ppu_error_interrupts(hdev,
+ HCLGE_PPU_MPF_OTHER_INT_CMD,
+ en);
+ if (ret) {
+ dev_err(dev, "fail(%d) to configure PPU MPF other intr\n", ret);
+ return ret;
+ }
+
+ ret = hclge_config_ppu_error_interrupts(hdev,
+ HCLGE_PPU_PF_OTHER_INT_CMD, en);
+ if (ret)
+ dev_err(dev, "fail(%d) to configure PPU PF error interrupts\n",
+ ret);
+ return ret;
+}
+
#define HCLGE_SET_DEFAULT_RESET_REQUEST(reset_type) \
do { \
if (ae_dev->ops->set_default_reset_request) \
@@ -578,6 +695,29 @@ static int hclge_handle_mpf_ras_error(struct hclge_dev *hdev,
hclge_log_error(dev, "PPP_MPF_ABNORMAL_INT_ST3",
&hclge_ppp_mpf_abnormal_int_st3[0], status);

+ /* log PPU(RCB) errors */
+ desc_data = (__le32 *)&desc[5];
+ status = le32_to_cpu(*(desc_data + 1));
+ if (status) {
+ dev_warn(dev, "PPU_MPF_ABNORMAL_INT_ST1 %s found\n",
+ "rpu_rx_pkt_ecc_mbit_err");
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
+ }
+
+ status = le32_to_cpu(*(desc_data + 2));
+ if (status) {
+ hclge_log_error(dev, "PPU_MPF_ABNORMAL_INT_ST2",
+ &hclge_ppu_mpf_abnormal_int_st2[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
+ }
+
+ status = le32_to_cpu(*(desc_data + 3)) & HCLGE_PPU_MPF_INT_ST3_MASK;
+ if (status) {
+ hclge_log_error(dev, "PPU_MPF_ABNORMAL_INT_ST3",
+ &hclge_ppu_mpf_abnormal_int_st3[0], status);
+ HCLGE_SET_DEFAULT_RESET_REQUEST(HNAE3_CORE_RESET);
+ }
+
/* log TM(Traffic Manager) errors */
desc_data = (__le32 *)&desc[6];
status = le32_to_cpu(*desc_data);
@@ -718,6 +858,10 @@ static const struct hclge_hw_blk hw_blk[] = {
.config_err_int = hclge_config_ppp_hw_err_int,
},
{
+ .msk = BIT(3), .name = "PPU",
+ .config_err_int = hclge_config_ppu_hw_err_int,
+ },
+ {
.msk = BIT(4), .name = "TM",
.config_err_int = hclge_config_tm_hw_err_int,
},
@@ -826,6 +970,17 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev,
set_bit(HNAE3_GLOBAL_RESET, reset_requests);
}

+ /* log PPU(RCB) errors */
+ desc_data = (__le32 *)&desc[5];
+ status = le32_to_cpu(*(desc_data + 2)) &
+ HCLGE_PPU_MPF_INT_ST2_MSIX_MASK;
+ if (status) {
+ dev_warn(dev,
+ "PPU_MPF_ABNORMAL_INT_ST2[28:29], err_status(0x%x)\n",
+ status);
+ set_bit(HNAE3_CORE_RESET, reset_requests);
+ }
+
/* clear all main PF MSIx errors */
hclge_cmd_reuse_desc(&desc[0], false);
desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
@@ -861,6 +1016,13 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev,
hclge_log_error(dev, "PPP_PF_ABNORMAL_INT_ST0",
&hclge_ppp_pf_abnormal_int[0], status);

+ /* PPU(RCB) PF errors */
+ desc_data = (__le32 *)&desc[3];
+ status = le32_to_cpu(*desc_data) & HCLGE_PPU_PF_INT_MSIX_MASK;
+ if (status)
+ hclge_log_error(dev, "PPU_PF_ABNORMAL_INT_ST",
+ &hclge_ppu_pf_abnormal_int[0], status);
+
/* clear all PF MSIx errors */
hclge_cmd_reuse_desc(&desc[0], false);
desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index 8e7d151..970d356 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -46,10 +46,25 @@
#define HCLGE_NCSI_ERR_INT_TYPE 0x9
#define HCLGE_MAC_COMMON_ERR_INT_EN GENMASK(7, 0)
#define HCLGE_MAC_COMMON_ERR_INT_EN_MASK GENMASK(7, 0)
+#define HCLGE_PPU_MPF_ABNORMAL_INT0_EN GENMASK(31, 0)
+#define HCLGE_PPU_MPF_ABNORMAL_INT0_EN_MASK GENMASK(31, 0)
+#define HCLGE_PPU_MPF_ABNORMAL_INT1_EN GENMASK(31, 0)
+#define HCLGE_PPU_MPF_ABNORMAL_INT1_EN_MASK GENMASK(31, 0)
+#define HCLGE_PPU_MPF_ABNORMAL_INT2_EN 0x3FFF3FFF
+#define HCLGE_PPU_MPF_ABNORMAL_INT2_EN_MASK 0x3FFF3FFF
+#define HCLGE_PPU_MPF_ABNORMAL_INT2_EN2 0xB
+#define HCLGE_PPU_MPF_ABNORMAL_INT2_EN2_MASK 0xB
+#define HCLGE_PPU_MPF_ABNORMAL_INT3_EN GENMASK(7, 0)
+#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_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)
+#define HCLGE_PPU_MPF_INT_ST3_MASK GENMASK(7, 0)
+#define HCLGE_PPU_MPF_INT_ST2_MSIX_MASK GENMASK(29, 28)
+#define HCLGE_PPU_PF_INT_MSIX_MASK 0x27
#define HCLGE_QCN_FIFO_INT_MASK GENMASK(17, 0)
#define HCLGE_QCN_ECC_INT_MASK GENMASK(21, 0)
#define HCLGE_NCSI_ECC_INT_MASK GENMASK(1, 0)
--
2.7.4

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