]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
hinic: add support to handle hw abnormal event
authorLuo bin <luobin9@huawei.com>
Sat, 25 Jul 2020 07:11:18 +0000 (15:11 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 29 Jul 2020 00:22:02 +0000 (17:22 -0700)
add support to handle hw abnormal event such as hardware failure,
cable unplugged,link error

Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/huawei/hinic/hinic_dev.h
drivers/net/ethernet/huawei/hinic/hinic_devlink.c
drivers/net/ethernet/huawei/hinic/hinic_devlink.h
drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
drivers/net/ethernet/huawei/hinic/hinic_main.c
drivers/net/ethernet/huawei/hinic/hinic_port.h

index befd925c03dcc578b1cc90c2cb4f00f188d1f17e..0a1e20edf7cf5791c9e0ba8f0d7e23988935d6cc 100644 (file)
@@ -98,10 +98,14 @@ struct hinic_dev {
        int                             lb_pkt_len;
        u8                              *lb_test_rx_buf;
        struct devlink                  *devlink;
+       bool                            cable_unplugged;
+       bool                            module_unrecognized;
 };
 
 struct hinic_devlink_priv {
        struct hinic_hwdev              *hwdev;
+       struct devlink_health_reporter  *hw_fault_reporter;
+       struct devlink_health_reporter  *fw_fault_reporter;
 };
 
 #endif
index a40a10ac1ee90313b2680d0bb9c2a8e8ee73ba1f..c6adc776f3c8d1b8b2e819ed04c6965163b3346b 100644 (file)
@@ -16,9 +16,9 @@
 #include <net/devlink.h>
 #include <linux/firmware.h>
 
-#include "hinic_dev.h"
 #include "hinic_port.h"
 #include "hinic_devlink.h"
+#include "hinic_hw_dev.h"
 
 static bool check_image_valid(struct hinic_devlink_priv *priv, const u8 *buf,
                              u32 image_size, struct host_image_st *host_image)
@@ -317,12 +317,292 @@ void hinic_devlink_free(struct devlink *devlink)
        devlink_free(devlink);
 }
 
-int hinic_devlink_register(struct devlink *devlink, struct device *dev)
+int hinic_devlink_register(struct hinic_devlink_priv *priv, struct device *dev)
 {
+       struct devlink *devlink = priv_to_devlink(priv);
+
        return devlink_register(devlink, dev);
 }
 
-void hinic_devlink_unregister(struct devlink *devlink)
+void hinic_devlink_unregister(struct hinic_devlink_priv *priv)
 {
+       struct devlink *devlink = priv_to_devlink(priv);
+
        devlink_unregister(devlink);
 }
+
+static int chip_fault_show(struct devlink_fmsg *fmsg,
+                          struct hinic_fault_event *event)
+{
+       char fault_level[FAULT_TYPE_MAX][FAULT_SHOW_STR_LEN + 1] = {
+               "fatal", "reset", "flr", "general", "suggestion"};
+       char level_str[FAULT_SHOW_STR_LEN + 1] = {0};
+       u8 level;
+       int err;
+
+       level = event->event.chip.err_level;
+       if (level < FAULT_LEVEL_MAX)
+               strncpy(level_str, fault_level[level], strlen(fault_level[level]));
+       else
+               strncpy(level_str, "Unknown", strlen("Unknown"));
+
+       if (level == FAULT_LEVEL_SERIOUS_FLR) {
+               err = devlink_fmsg_u32_pair_put(fmsg, "Function level err func_id",
+                                               (u32)event->event.chip.func_id);
+               if (err)
+                       return err;
+       }
+
+       err = devlink_fmsg_u8_pair_put(fmsg, "module_id", event->event.chip.node_id);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "err_type", (u32)event->event.chip.err_type);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_string_pair_put(fmsg, "err_level", level_str);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_addr",
+                                       event->event.chip.err_csr_addr);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_value",
+                                       event->event.chip.err_csr_value);
+       if (err)
+               return err;
+
+       return 0;
+}
+
+static int fault_report_show(struct devlink_fmsg *fmsg,
+                            struct hinic_fault_event *event)
+{
+       char fault_type[FAULT_TYPE_MAX][FAULT_SHOW_STR_LEN + 1] = {
+               "chip", "ucode", "mem rd timeout", "mem wr timeout",
+               "reg rd timeout", "reg wr timeout", "phy fault"};
+       char type_str[FAULT_SHOW_STR_LEN + 1] = {0};
+       int err;
+
+       if (event->type < FAULT_TYPE_MAX)
+               strncpy(type_str, fault_type[event->type], strlen(fault_type[event->type]));
+       else
+               strncpy(type_str, "Unknown", strlen("Unknown"));
+
+       err = devlink_fmsg_string_pair_put(fmsg, "Fault type", type_str);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_binary_pair_put(fmsg, "Fault raw data",
+                                          event->event.val, sizeof(event->event.val));
+       if (err)
+               return err;
+
+       switch (event->type) {
+       case FAULT_TYPE_CHIP:
+               err = chip_fault_show(fmsg, event);
+               if (err)
+                       return err;
+               break;
+       case FAULT_TYPE_UCODE:
+               err = devlink_fmsg_u8_pair_put(fmsg, "Cause_id", event->event.ucode.cause_id);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u8_pair_put(fmsg, "core_id", event->event.ucode.core_id);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u8_pair_put(fmsg, "c_id", event->event.ucode.c_id);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u8_pair_put(fmsg, "epc", event->event.ucode.epc);
+               if (err)
+                       return err;
+               break;
+       case FAULT_TYPE_MEM_RD_TIMEOUT:
+       case FAULT_TYPE_MEM_WR_TIMEOUT:
+               err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr_ctrl",
+                                               event->event.mem_timeout.err_csr_ctrl);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_data",
+                                               event->event.mem_timeout.err_csr_data);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u32_pair_put(fmsg, "ctrl_tab",
+                                               event->event.mem_timeout.ctrl_tab);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u32_pair_put(fmsg, "mem_index",
+                                               event->event.mem_timeout.mem_index);
+               if (err)
+                       return err;
+               break;
+       case FAULT_TYPE_REG_RD_TIMEOUT:
+       case FAULT_TYPE_REG_WR_TIMEOUT:
+               err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr", event->event.reg_timeout.err_csr);
+               if (err)
+                       return err;
+               break;
+       case FAULT_TYPE_PHY_FAULT:
+               err = devlink_fmsg_u8_pair_put(fmsg, "Op_type", event->event.phy_fault.op_type);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u8_pair_put(fmsg, "port_id", event->event.phy_fault.port_id);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u8_pair_put(fmsg, "dev_ad", event->event.phy_fault.dev_ad);
+               if (err)
+                       return err;
+
+               err = devlink_fmsg_u32_pair_put(fmsg, "csr_addr", event->event.phy_fault.csr_addr);
+               if (err)
+                       return err;
+               err = devlink_fmsg_u32_pair_put(fmsg, "op_data", event->event.phy_fault.op_data);
+               if (err)
+                       return err;
+               break;
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+static int hinic_hw_reporter_dump(struct devlink_health_reporter *reporter,
+                                 struct devlink_fmsg *fmsg, void *priv_ctx,
+                                 struct netlink_ext_ack *extack)
+{
+       if (priv_ctx)
+               return fault_report_show(fmsg, priv_ctx);
+
+       return 0;
+}
+
+static int mgmt_watchdog_report_show(struct devlink_fmsg *fmsg,
+                                    struct hinic_mgmt_watchdog_info *watchdog_info)
+{
+       int err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "Mgmt deadloop time_h", watchdog_info->curr_time_h);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "time_l", watchdog_info->curr_time_l);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "task_id", watchdog_info->task_id);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "sp", watchdog_info->sp);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "stack_current_used", watchdog_info->curr_used);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "peak_used", watchdog_info->peak_used);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "\n Overflow_flag", watchdog_info->is_overflow);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "stack_top", watchdog_info->stack_top);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "stack_bottom", watchdog_info->stack_bottom);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "mgmt_pc", watchdog_info->pc);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "lr", watchdog_info->lr);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_u32_pair_put(fmsg, "cpsr", watchdog_info->cpsr);
+       if (err)
+               return err;
+
+       err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt register info",
+                                          watchdog_info->reg, sizeof(watchdog_info->reg));
+       if (err)
+               return err;
+
+       err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt dump stack(start from sp)",
+                                          watchdog_info->data, sizeof(watchdog_info->data));
+       if (err)
+               return err;
+
+       return 0;
+}
+
+static int hinic_fw_reporter_dump(struct devlink_health_reporter *reporter,
+                                 struct devlink_fmsg *fmsg, void *priv_ctx,
+                                 struct netlink_ext_ack *extack)
+{
+       if (priv_ctx)
+               return mgmt_watchdog_report_show(fmsg, priv_ctx);
+
+       return 0;
+}
+
+static const struct devlink_health_reporter_ops hinic_hw_fault_reporter_ops = {
+       .name = "hw",
+       .dump = hinic_hw_reporter_dump,
+};
+
+static const struct devlink_health_reporter_ops hinic_fw_fault_reporter_ops = {
+       .name = "fw",
+       .dump = hinic_fw_reporter_dump,
+};
+
+int hinic_health_reporters_create(struct hinic_devlink_priv *priv)
+{
+       struct devlink *devlink = priv_to_devlink(priv);
+
+       priv->hw_fault_reporter =
+               devlink_health_reporter_create(devlink, &hinic_hw_fault_reporter_ops,
+                                              0, priv);
+       if (IS_ERR(priv->hw_fault_reporter)) {
+               dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create hw fault reporter, err: %ld\n",
+                        PTR_ERR(priv->hw_fault_reporter));
+               return PTR_ERR(priv->hw_fault_reporter);
+       }
+
+       priv->fw_fault_reporter =
+               devlink_health_reporter_create(devlink, &hinic_fw_fault_reporter_ops,
+                                              0, priv);
+       if (IS_ERR(priv->fw_fault_reporter)) {
+               dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create fw fault reporter, err: %ld\n",
+                        PTR_ERR(priv->fw_fault_reporter));
+               devlink_health_reporter_destroy(priv->hw_fault_reporter);
+               priv->hw_fault_reporter = NULL;
+               return PTR_ERR(priv->fw_fault_reporter);
+       }
+
+       return 0;
+}
+
+void hinic_health_reporters_destroy(struct hinic_devlink_priv *priv)
+{
+       if (!IS_ERR_OR_NULL(priv->fw_fault_reporter)) {
+               devlink_health_reporter_destroy(priv->fw_fault_reporter);
+               priv->fw_fault_reporter = NULL;
+       }
+
+       if (!IS_ERR_OR_NULL(priv->hw_fault_reporter)) {
+               devlink_health_reporter_destroy(priv->hw_fault_reporter);
+               priv->hw_fault_reporter = NULL;
+       }
+}
index 604e95a7c5ce4314b6b9e2af40214677b4979af1..a090ebcfaabbb1b0e6e5151d99e46402f3533e53 100644 (file)
@@ -7,6 +7,7 @@
 #define __HINIC_DEVLINK_H__
 
 #include <net/devlink.h>
+#include "hinic_dev.h"
 
 #define MAX_FW_TYPE_NUM 30
 #define HINIC_MAGIC_NUM 0x18221100
@@ -109,7 +110,10 @@ struct host_image_st {
 
 struct devlink *hinic_devlink_alloc(void);
 void hinic_devlink_free(struct devlink *devlink);
-int hinic_devlink_register(struct devlink *devlink, struct device *dev);
-void hinic_devlink_unregister(struct devlink *devlink);
+int hinic_devlink_register(struct hinic_devlink_priv *priv, struct device *dev);
+void hinic_devlink_unregister(struct hinic_devlink_priv *priv);
+
+int hinic_health_reporters_create(struct hinic_devlink_priv *priv);
+void hinic_health_reporters_destroy(struct hinic_devlink_priv *priv);
 
 #endif /* __HINIC_DEVLINK_H__ */
index cb5ebae54f735cc94be4c14511662cb4c92cac1a..6bb65ade1d773c8c1b2c7181af14f046a5803518 100644 (file)
@@ -1766,6 +1766,25 @@ static int hinic_get_module_eeprom(struct net_device *netdev,
        return 0;
 }
 
+static int
+hinic_get_link_ext_state(struct net_device *netdev,
+                        struct ethtool_link_ext_state_info *link_ext_state_info)
+{
+       struct hinic_dev *nic_dev = netdev_priv(netdev);
+
+       if (netif_carrier_ok(netdev))
+               return -ENODATA;
+
+       if (nic_dev->cable_unplugged)
+               link_ext_state_info->link_ext_state =
+                       ETHTOOL_LINK_EXT_STATE_NO_CABLE;
+       else if (nic_dev->module_unrecognized)
+               link_ext_state_info->link_ext_state =
+                       ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH;
+
+       return 0;
+}
+
 static const struct ethtool_ops hinic_ethtool_ops = {
        .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
                                     ETHTOOL_COALESCE_RX_MAX_FRAMES |
@@ -1776,6 +1795,7 @@ static const struct ethtool_ops hinic_ethtool_ops = {
        .set_link_ksettings = hinic_set_link_ksettings,
        .get_drvinfo = hinic_get_drvinfo,
        .get_link = ethtool_op_get_link,
+       .get_link_ext_state = hinic_get_link_ext_state,
        .get_ringparam = hinic_get_ringparam,
        .set_ringparam = hinic_set_ringparam,
        .get_coalesce = hinic_get_coalesce,
index 9831c14324e6e6df454372a5b26a000bddadbc2b..55672ee18aab2523657d373ed16460626b359b8d 100644 (file)
 #include <linux/log2.h>
 #include <linux/err.h>
 #include <linux/netdevice.h>
+#include <net/devlink.h>
 
+#include "hinic_devlink.h"
 #include "hinic_sriov.h"
+#include "hinic_dev.h"
 #include "hinic_hw_if.h"
 #include "hinic_hw_eqs.h"
 #include "hinic_hw_mgmt.h"
@@ -621,6 +624,113 @@ static void nic_mgmt_msg_handler(void *handle, u8 cmd, void *buf_in,
        nic_cb->cb_state &= ~HINIC_CB_RUNNING;
 }
 
+static void hinic_comm_recv_mgmt_self_cmd_reg(struct hinic_pfhwdev *pfhwdev,
+                                             u8 cmd,
+                                             comm_mgmt_self_msg_proc proc)
+{
+       u8 cmd_idx;
+
+       cmd_idx = pfhwdev->proc.cmd_num;
+       if (cmd_idx >= HINIC_COMM_SELF_CMD_MAX) {
+               dev_err(&pfhwdev->hwdev.hwif->pdev->dev,
+                       "Register recv mgmt process failed, cmd: 0x%x\n", cmd);
+               return;
+       }
+
+       pfhwdev->proc.info[cmd_idx].cmd = cmd;
+       pfhwdev->proc.info[cmd_idx].proc = proc;
+       pfhwdev->proc.cmd_num++;
+}
+
+static void hinic_comm_recv_mgmt_self_cmd_unreg(struct hinic_pfhwdev *pfhwdev,
+                                               u8 cmd)
+{
+       u8 cmd_idx;
+
+       cmd_idx = pfhwdev->proc.cmd_num;
+       if (cmd_idx >= HINIC_COMM_SELF_CMD_MAX) {
+               dev_err(&pfhwdev->hwdev.hwif->pdev->dev, "Unregister recv mgmt process failed, cmd: 0x%x\n",
+                       cmd);
+               return;
+       }
+
+       for (cmd_idx = 0; cmd_idx < HINIC_COMM_SELF_CMD_MAX; cmd_idx++) {
+               if (cmd == pfhwdev->proc.info[cmd_idx].cmd) {
+                       pfhwdev->proc.info[cmd_idx].cmd = 0;
+                       pfhwdev->proc.info[cmd_idx].proc = NULL;
+                       pfhwdev->proc.cmd_num--;
+               }
+       }
+}
+
+static void comm_mgmt_msg_handler(void *handle, u8 cmd, void *buf_in,
+                                 u16 in_size, void *buf_out, u16 *out_size)
+{
+       struct hinic_pfhwdev *pfhwdev = handle;
+       u8 cmd_idx;
+
+       for (cmd_idx = 0; cmd_idx < pfhwdev->proc.cmd_num; cmd_idx++) {
+               if (cmd == pfhwdev->proc.info[cmd_idx].cmd) {
+                       if (!pfhwdev->proc.info[cmd_idx].proc) {
+                               dev_warn(&pfhwdev->hwdev.hwif->pdev->dev,
+                                        "PF recv mgmt comm msg handle null, cmd: 0x%x\n",
+                                        cmd);
+                       } else {
+                               pfhwdev->proc.info[cmd_idx].proc
+                                       (&pfhwdev->hwdev, buf_in, in_size,
+                                        buf_out, out_size);
+                       }
+
+                       return;
+               }
+       }
+
+       dev_warn(&pfhwdev->hwdev.hwif->pdev->dev, "Received unknown mgmt cpu event: 0x%x\n",
+                cmd);
+
+       *out_size = 0;
+}
+
+/* pf fault report event */
+static void pf_fault_event_handler(void *dev, void *buf_in, u16 in_size,
+                                  void *buf_out, u16 *out_size)
+{
+       struct hinic_cmd_fault_event *fault_event = buf_in;
+       struct hinic_hwdev *hwdev = dev;
+
+       if (in_size != sizeof(*fault_event)) {
+               dev_err(&hwdev->hwif->pdev->dev, "Invalid fault event report, length: %d, should be %zu\n",
+                       in_size, sizeof(*fault_event));
+               return;
+       }
+
+       if (!hwdev->devlink_dev || IS_ERR_OR_NULL(hwdev->devlink_dev->hw_fault_reporter))
+               return;
+
+       devlink_health_report(hwdev->devlink_dev->hw_fault_reporter,
+                             "HW fatal error reported", &fault_event->event);
+}
+
+static void mgmt_watchdog_timeout_event_handler(void *dev,
+                                               void *buf_in, u16 in_size,
+                                               void *buf_out, u16 *out_size)
+{
+       struct hinic_mgmt_watchdog_info *watchdog_info = buf_in;
+       struct hinic_hwdev *hwdev = dev;
+
+       if (in_size != sizeof(*watchdog_info)) {
+               dev_err(&hwdev->hwif->pdev->dev, "Invalid mgmt watchdog report, length: %d, should be %zu\n",
+                       in_size, sizeof(*watchdog_info));
+               return;
+       }
+
+       if (!hwdev->devlink_dev || IS_ERR_OR_NULL(hwdev->devlink_dev->fw_fault_reporter))
+               return;
+
+       devlink_health_report(hwdev->devlink_dev->fw_fault_reporter,
+                             "FW fatal error reported", watchdog_info);
+}
+
 /**
  * init_pfhwdev - Initialize the extended components of PF
  * @pfhwdev: the HW device for PF
@@ -640,20 +750,37 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev)
                return err;
        }
 
+       err = hinic_devlink_register(hwdev->devlink_dev, &pdev->dev);
+       if (err) {
+               dev_err(&hwif->pdev->dev, "Failed to register devlink\n");
+               hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
+               return err;
+       }
+
        err = hinic_func_to_func_init(hwdev);
        if (err) {
                dev_err(&hwif->pdev->dev, "Failed to init mailbox\n");
+               hinic_devlink_unregister(hwdev->devlink_dev);
                hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
                return err;
        }
 
-       if (!HINIC_IS_VF(hwif))
+       if (!HINIC_IS_VF(hwif)) {
                hinic_register_mgmt_msg_cb(&pfhwdev->pf_to_mgmt,
                                           HINIC_MOD_L2NIC, pfhwdev,
                                           nic_mgmt_msg_handler);
-       else
+               hinic_register_mgmt_msg_cb(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+                                          pfhwdev, comm_mgmt_msg_handler);
+               hinic_comm_recv_mgmt_self_cmd_reg(pfhwdev,
+                                                 HINIC_COMM_CMD_FAULT_REPORT,
+                                                 pf_fault_event_handler);
+               hinic_comm_recv_mgmt_self_cmd_reg
+                       (pfhwdev, HINIC_COMM_CMD_WATCHDOG_INFO,
+                        mgmt_watchdog_timeout_event_handler);
+       } else {
                hinic_register_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
                                          nic_mgmt_msg_handler);
+       }
 
        hinic_set_pf_action(hwif, HINIC_PF_MGMT_ACTIVE);
 
@@ -670,14 +797,23 @@ static void free_pfhwdev(struct hinic_pfhwdev *pfhwdev)
 
        hinic_set_pf_action(hwdev->hwif, HINIC_PF_MGMT_INIT);
 
-       if (!HINIC_IS_VF(hwdev->hwif))
+       if (!HINIC_IS_VF(hwdev->hwif)) {
+               hinic_comm_recv_mgmt_self_cmd_unreg(pfhwdev,
+                                                   HINIC_COMM_CMD_WATCHDOG_INFO);
+               hinic_comm_recv_mgmt_self_cmd_unreg(pfhwdev,
+                                                   HINIC_COMM_CMD_FAULT_REPORT);
+               hinic_unregister_mgmt_msg_cb(&pfhwdev->pf_to_mgmt,
+                                            HINIC_MOD_COMM);
                hinic_unregister_mgmt_msg_cb(&pfhwdev->pf_to_mgmt,
                                             HINIC_MOD_L2NIC);
-       else
+       } else {
                hinic_unregister_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
+       }
 
        hinic_func_to_func_free(hwdev);
 
+       hinic_devlink_unregister(hwdev->devlink_dev);
+
        hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
 }
 
@@ -777,7 +913,7 @@ int hinic_set_interrupt_cfg(struct hinic_hwdev *hwdev,
  *
  * Initialize the NIC HW device and return a pointer to it
  **/
-struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev)
+struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev, struct devlink *devlink)
 {
        struct hinic_pfhwdev *pfhwdev;
        struct hinic_hwdev *hwdev;
@@ -802,6 +938,8 @@ struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev)
 
        hwdev = &pfhwdev->hwdev;
        hwdev->hwif = hwif;
+       hwdev->devlink_dev = devlink_priv(devlink);
+       hwdev->devlink_dev->hwdev = hwdev;
 
        err = init_msix(hwdev);
        if (err) {
index 94593a8ad6678dda96716890e125494d1c27a98d..2fb5f784f116bbb48c6712e0018cccd396303978 100644 (file)
@@ -10,6 +10,7 @@
 #include <linux/pci.h>
 #include <linux/types.h>
 #include <linux/bitops.h>
+#include <net/devlink.h>
 
 #include "hinic_hw_if.h"
 #include "hinic_hw_eqs.h"
@@ -164,9 +165,12 @@ enum hinic_ucode_cmd {
 #define NIC_RSS_CMD_TEMP_FREE   0x02
 
 enum hinic_mgmt_msg_cmd {
-       HINIC_MGMT_MSG_CMD_BASE         = 160,
+       HINIC_MGMT_MSG_CMD_BASE         = 0xA0,
 
-       HINIC_MGMT_MSG_CMD_LINK_STATUS  = 160,
+       HINIC_MGMT_MSG_CMD_LINK_STATUS  = 0xA0,
+
+       HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT     = 0xE5,
+       HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT       = 0xE6,
 
        HINIC_MGMT_MSG_CMD_MAX,
 };
@@ -348,6 +352,7 @@ struct hinic_hwdev {
 
        struct hinic_cap                nic_cap;
        u8                              port_id;
+       struct hinic_devlink_priv       *devlink_dev;
 };
 
 struct hinic_nic_cb {
@@ -359,12 +364,29 @@ struct hinic_nic_cb {
        unsigned long   cb_state;
 };
 
+#define HINIC_COMM_SELF_CMD_MAX 4
+
+typedef void (*comm_mgmt_self_msg_proc)(void *handle, void *buf_in, u16 in_size,
+                                       void *buf_out, u16 *out_size);
+
+struct comm_mgmt_self_msg_sub_info {
+       u8 cmd;
+       comm_mgmt_self_msg_proc proc;
+};
+
+struct comm_mgmt_self_msg_info {
+       u8 cmd_num;
+       struct comm_mgmt_self_msg_sub_info info[HINIC_COMM_SELF_CMD_MAX];
+};
+
 struct hinic_pfhwdev {
        struct hinic_hwdev              hwdev;
 
        struct hinic_pf_to_mgmt         pf_to_mgmt;
 
        struct hinic_nic_cb             nic_cb[HINIC_MGMT_NUM_MSG_CMD];
+
+       struct comm_mgmt_self_msg_info  proc;
 };
 
 struct hinic_dev_cap {
@@ -386,6 +408,126 @@ struct hinic_dev_cap {
        u8      rsvd3[204];
 };
 
+union hinic_fault_hw_mgmt {
+       u32 val[4];
+       /* valid only type == FAULT_TYPE_CHIP */
+       struct {
+               u8 node_id;
+               u8 err_level;
+               u16 err_type;
+               u32 err_csr_addr;
+               u32 err_csr_value;
+               /* func_id valid only if err_level == FAULT_LEVEL_SERIOUS_FLR */
+               u16 func_id;
+               u16 rsvd2;
+       } chip;
+
+       /* valid only if type == FAULT_TYPE_UCODE */
+       struct {
+               u8 cause_id;
+               u8 core_id;
+               u8 c_id;
+               u8 rsvd3;
+               u32 epc;
+               u32 rsvd4;
+               u32 rsvd5;
+       } ucode;
+
+       /* valid only if type == FAULT_TYPE_MEM_RD_TIMEOUT ||
+        * FAULT_TYPE_MEM_WR_TIMEOUT
+        */
+       struct {
+               u32 err_csr_ctrl;
+               u32 err_csr_data;
+               u32 ctrl_tab;
+               u32 mem_index;
+       } mem_timeout;
+
+       /* valid only if type == FAULT_TYPE_REG_RD_TIMEOUT ||
+        * FAULT_TYPE_REG_WR_TIMEOUT
+        */
+       struct {
+               u32 err_csr;
+               u32 rsvd6;
+               u32 rsvd7;
+               u32 rsvd8;
+       } reg_timeout;
+
+       struct {
+               /* 0: read; 1: write */
+               u8 op_type;
+               u8 port_id;
+               u8 dev_ad;
+               u8 rsvd9;
+               u32 csr_addr;
+               u32 op_data;
+               u32 rsvd10;
+       } phy_fault;
+};
+
+struct hinic_fault_event {
+       u8 type;
+       u8 fault_level;
+       u8 rsvd0[2];
+       union hinic_fault_hw_mgmt event;
+};
+
+struct hinic_cmd_fault_event {
+       u8      status;
+       u8      version;
+       u8      rsvd0[6];
+
+       struct hinic_fault_event event;
+};
+
+enum hinic_fault_type {
+       FAULT_TYPE_CHIP,
+       FAULT_TYPE_UCODE,
+       FAULT_TYPE_MEM_RD_TIMEOUT,
+       FAULT_TYPE_MEM_WR_TIMEOUT,
+       FAULT_TYPE_REG_RD_TIMEOUT,
+       FAULT_TYPE_REG_WR_TIMEOUT,
+       FAULT_TYPE_PHY_FAULT,
+       FAULT_TYPE_MAX,
+};
+
+#define FAULT_SHOW_STR_LEN 16
+
+enum hinic_fault_err_level {
+       FAULT_LEVEL_FATAL,
+       FAULT_LEVEL_SERIOUS_RESET,
+       FAULT_LEVEL_SERIOUS_FLR,
+       FAULT_LEVEL_GENERAL,
+       FAULT_LEVEL_SUGGESTION,
+       FAULT_LEVEL_MAX
+};
+
+struct hinic_mgmt_watchdog_info {
+       u8 status;
+       u8 version;
+       u8 rsvd0[6];
+
+       u32 curr_time_h;
+       u32 curr_time_l;
+       u32 task_id;
+       u32 rsv;
+
+       u32 reg[13];
+       u32 pc;
+       u32 lr;
+       u32 cpsr;
+
+       u32 stack_top;
+       u32 stack_bottom;
+       u32 sp;
+       u32 curr_used;
+       u32 peak_used;
+       u32 is_overflow;
+
+       u32 stack_actlen;
+       u8 data[1024];
+};
+
 void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
                             enum hinic_mgmt_msg_cmd cmd, void *handle,
                             void (*handler)(void *handle, void *buf_in,
@@ -407,7 +549,7 @@ int hinic_hwdev_ifup(struct hinic_hwdev *hwdev, u16 sq_depth, u16 rq_depth);
 
 void hinic_hwdev_ifdown(struct hinic_hwdev *hwdev);
 
-struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev);
+struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev, struct devlink *devlink);
 
 void hinic_free_hwdev(struct hinic_hwdev *hwdev);
 
index e0f5a81d8620d7091ccd5b82b269ea899e9ed89a..f5a46d5bb007b21188d10f01083ce2e5e664e5ed 100644 (file)
 #include <linux/semaphore.h>
 #include <linux/completion.h>
 #include <linux/slab.h>
+#include <net/devlink.h>
 #include <asm/barrier.h>
 
+#include "hinic_devlink.h"
 #include "hinic_hw_if.h"
 #include "hinic_hw_eqs.h"
 #include "hinic_hw_api_cmd.h"
@@ -617,10 +619,15 @@ int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt,
        if (HINIC_IS_VF(hwif))
                return 0;
 
+       err = hinic_health_reporters_create(hwdev->devlink_dev);
+       if (err)
+               return err;
+
        sema_init(&pf_to_mgmt->sync_msg_lock, 1);
        pf_to_mgmt->workq = create_singlethread_workqueue("hinic_mgmt");
        if (!pf_to_mgmt->workq) {
                dev_err(&pdev->dev, "Failed to initialize MGMT workqueue\n");
+               hinic_health_reporters_destroy(hwdev->devlink_dev);
                return -ENOMEM;
        }
        pf_to_mgmt->sync_msg_id = 0;
@@ -628,12 +635,14 @@ int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt,
        err = alloc_msg_buf(pf_to_mgmt);
        if (err) {
                dev_err(&pdev->dev, "Failed to allocate msg buffers\n");
+               hinic_health_reporters_destroy(hwdev->devlink_dev);
                return err;
        }
 
        err = hinic_api_cmd_init(pf_to_mgmt->cmd_chain, hwif);
        if (err) {
                dev_err(&pdev->dev, "Failed to initialize cmd chains\n");
+               hinic_health_reporters_destroy(hwdev->devlink_dev);
                return err;
        }
 
@@ -658,4 +667,5 @@ void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt)
        hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU);
        hinic_api_cmd_free(pf_to_mgmt->cmd_chain);
        destroy_workqueue(pf_to_mgmt->workq);
+       hinic_health_reporters_destroy(hwdev->devlink_dev);
 }
index 21b93b654d6b5914c1c1d94c0c9d3f5b59c6614c..f626100b85c118a1d661db27851516169d3d62f0 100644 (file)
@@ -81,6 +81,8 @@ enum hinic_comm_cmd {
        HINIC_COMM_CMD_MSI_CTRL_REG_WR_BY_UP,
        HINIC_COMM_CMD_MSI_CTRL_REG_RD_BY_UP,
 
+       HINIC_COMM_CMD_FAULT_REPORT     = 0x37,
+
        HINIC_COMM_CMD_SET_LED_STATUS   = 0x4a,
 
        HINIC_COMM_CMD_L2NIC_RESET      = 0x4b,
@@ -89,6 +91,8 @@ enum hinic_comm_cmd {
 
        HINIC_COMM_CMD_GET_BOARD_INFO   = 0x52,
 
+       HINIC_COMM_CMD_WATCHDOG_INFO    = 0x56,
+
        HINIC_COMM_CMD_MAX,
 };
 
index c4c6f9c29f0e0ceff7b385f68e289fc16f233ecc..501056fd32eee67a380f0fe6bae677b759b8fee4 100644 (file)
@@ -444,8 +444,11 @@ int hinic_open(struct net_device *netdev)
        if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
                hinic_notify_all_vfs_link_changed(nic_dev->hwdev, link_state);
 
-       if (link_state == HINIC_LINK_STATE_UP)
+       if (link_state == HINIC_LINK_STATE_UP) {
                nic_dev->flags |= HINIC_LINK_UP;
+               nic_dev->cable_unplugged = false;
+               nic_dev->module_unrecognized = false;
+       }
 
        nic_dev->flags |= HINIC_INTF_UP;
 
@@ -935,6 +938,8 @@ static void link_status_event_handler(void *handle, void *buf_in, u16 in_size,
                down(&nic_dev->mgmt_lock);
 
                nic_dev->flags |= HINIC_LINK_UP;
+               nic_dev->cable_unplugged = false;
+               nic_dev->module_unrecognized = false;
 
                if ((nic_dev->flags & (HINIC_LINK_UP | HINIC_INTF_UP)) ==
                    (HINIC_LINK_UP | HINIC_INTF_UP)) {
@@ -971,6 +976,39 @@ static void link_status_event_handler(void *handle, void *buf_in, u16 in_size,
        *out_size = sizeof(*ret_link_status);
 }
 
+static void cable_plug_event(void *handle,
+                            void *buf_in, u16 in_size,
+                            void *buf_out, u16 *out_size)
+{
+       struct hinic_cable_plug_event *plug_event = buf_in;
+       struct hinic_dev *nic_dev = handle;
+
+       nic_dev->cable_unplugged = plug_event->plugged ? false : true;
+
+       *out_size = sizeof(*plug_event);
+       plug_event = buf_out;
+       plug_event->status = 0;
+}
+
+static void link_err_event(void *handle,
+                          void *buf_in, u16 in_size,
+                          void *buf_out, u16 *out_size)
+{
+       struct hinic_link_err_event *link_err = buf_in;
+       struct hinic_dev *nic_dev = handle;
+
+       if (link_err->err_type >= LINK_ERR_NUM)
+               netif_info(nic_dev, link, nic_dev->netdev,
+                          "Link failed, Unknown error type: 0x%x\n",
+                          link_err->err_type);
+       else
+               nic_dev->module_unrecognized = true;
+
+       *out_size = sizeof(*link_err);
+       link_err = buf_out;
+       link_err->status = 0;
+}
+
 static int set_features(struct hinic_dev *nic_dev,
                        netdev_features_t pre_features,
                        netdev_features_t features, bool force_change)
@@ -1077,28 +1115,24 @@ static int nic_dev_init(struct pci_dev *pdev)
        struct hinic_rx_mode_work *rx_mode_work;
        struct hinic_txq_stats *tx_stats;
        struct hinic_rxq_stats *rx_stats;
-       struct hinic_devlink_priv *priv;
        struct hinic_dev *nic_dev;
        struct net_device *netdev;
        struct hinic_hwdev *hwdev;
        struct devlink *devlink;
        int err, num_qps;
 
-       hwdev = hinic_init_hwdev(pdev);
-       if (IS_ERR(hwdev)) {
-               dev_err(&pdev->dev, "Failed to initialize HW device\n");
-               return PTR_ERR(hwdev);
-       }
-
        devlink = hinic_devlink_alloc();
        if (!devlink) {
                dev_err(&pdev->dev, "Hinic devlink alloc failed\n");
-               err = -ENOMEM;
-               goto err_devlink_alloc;
+               return -ENOMEM;
        }
 
-       priv = devlink_priv(devlink);
-       priv->hwdev = hwdev;
+       hwdev = hinic_init_hwdev(pdev, devlink);
+       if (IS_ERR(hwdev)) {
+               dev_err(&pdev->dev, "Failed to initialize HW device\n");
+               hinic_devlink_free(devlink);
+               return PTR_ERR(hwdev);
+       }
 
        num_qps = hinic_hwdev_num_qps(hwdev);
        if (num_qps <= 0) {
@@ -1161,10 +1195,6 @@ static int nic_dev_init(struct pci_dev *pdev)
                goto err_workq;
        }
 
-       err = hinic_devlink_register(devlink, &pdev->dev);
-       if (err)
-               goto err_devlink_reg;
-
        pci_set_drvdata(pdev, netdev);
 
        err = hinic_port_get_mac(nic_dev, netdev->dev_addr);
@@ -1206,6 +1236,12 @@ static int nic_dev_init(struct pci_dev *pdev)
 
        hinic_hwdev_cb_register(nic_dev->hwdev, HINIC_MGMT_MSG_CMD_LINK_STATUS,
                                nic_dev, link_status_event_handler);
+       hinic_hwdev_cb_register(nic_dev->hwdev,
+                               HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT,
+                               nic_dev, cable_plug_event);
+       hinic_hwdev_cb_register(nic_dev->hwdev,
+                               HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT,
+                               nic_dev, link_err_event);
 
        err = set_features(nic_dev, 0, nic_dev->netdev->features, true);
        if (err)
@@ -1237,6 +1273,10 @@ err_reg_netdev:
 err_init_intr:
 err_set_pfc:
 err_set_features:
+       hinic_hwdev_cb_unregister(nic_dev->hwdev,
+                                 HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT);
+       hinic_hwdev_cb_unregister(nic_dev->hwdev,
+                                 HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT);
        hinic_hwdev_cb_unregister(nic_dev->hwdev,
                                  HINIC_MGMT_MSG_CMD_LINK_STATUS);
        cancel_work_sync(&rx_mode_work->work);
@@ -1246,17 +1286,15 @@ err_set_mtu:
 err_add_mac:
 err_get_mac:
        pci_set_drvdata(pdev, NULL);
-err_devlink_reg:
        destroy_workqueue(nic_dev->workq);
-
 err_workq:
 err_vlan_bitmap:
        free_netdev(netdev);
 
 err_alloc_etherdev:
 err_num_qps:
-err_devlink_alloc:
        hinic_free_hwdev(hwdev);
+       hinic_devlink_free(devlink);
        return err;
 }
 
@@ -1343,6 +1381,7 @@ static void hinic_remove(struct pci_dev *pdev)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct hinic_dev *nic_dev = netdev_priv(netdev);
+       struct devlink *devlink = nic_dev->devlink;
        struct hinic_rx_mode_work *rx_mode_work;
 
        if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
@@ -1356,6 +1395,10 @@ static void hinic_remove(struct pci_dev *pdev)
 
        hinic_port_del_mac(nic_dev, netdev->dev_addr, 0);
 
+       hinic_hwdev_cb_unregister(nic_dev->hwdev,
+                                 HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT);
+       hinic_hwdev_cb_unregister(nic_dev->hwdev,
+                                 HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT);
        hinic_hwdev_cb_unregister(nic_dev->hwdev,
                                  HINIC_MGMT_MSG_CMD_LINK_STATUS);
 
@@ -1364,16 +1407,14 @@ static void hinic_remove(struct pci_dev *pdev)
 
        pci_set_drvdata(pdev, NULL);
 
-       hinic_devlink_unregister(nic_dev->devlink);
-
        destroy_workqueue(nic_dev->workq);
 
-       hinic_devlink_free(nic_dev->devlink);
-
        hinic_free_hwdev(nic_dev->hwdev);
 
        free_netdev(netdev);
 
+       hinic_devlink_free(devlink);
+
        pci_release_regions(pdev);
        pci_disable_device(pdev);
 
index 14931adaffb824e22a4ba76a001335cc810313cd..9c3cbe45c9ec3c0caf532317177fe73d964ab333 100644 (file)
@@ -189,6 +189,31 @@ struct hinic_port_link_status {
        u8      port_id;
 };
 
+struct hinic_cable_plug_event {
+       u8      status;
+       u8      version;
+       u8      rsvd0[6];
+
+       u16     func_id;
+       u8      plugged; /* 0: unplugged, 1: plugged */
+       u8      port_id;
+};
+
+enum link_err_type {
+       LINK_ERR_MODULE_UNRECOGENIZED,
+       LINK_ERR_NUM,
+};
+
+struct hinic_link_err_event {
+       u8      status;
+       u8      version;
+       u8      rsvd0[6];
+
+       u16     func_id;
+       u8      err_type;
+       u8      port_id;
+};
+
 struct hinic_port_func_state_cmd {
        u8      status;
        u8      version;