* [PATCH net-next v4 1/2] hinic: add support to handle hw abnormal event
2020-07-24 9:17 [PATCH net-next v4 0/2] hinic: add some error messages for debug Luo bin
@ 2020-07-24 9:17 ` Luo bin
2020-07-25 0:04 ` David Miller
2020-07-24 9:17 ` [PATCH net-next v4 2/2] hinic: add log in exception handling processes Luo bin
1 sibling, 1 reply; 5+ messages in thread
From: Luo bin @ 2020-07-24 9:17 UTC (permalink / raw)
To: davem
Cc: linux-kernel, netdev, luoxianjun, yin.yinshi, cloud.wangxiaoyun,
chiqijun
add support to handle hw abnormal event such as hardware failure,
cable unplugged,link error
Signed-off-by: Luo bin <luobin9@huawei.com>
---
V3~V4: remove 'watchdog_info' variable in hinic_fw_reporter_dump
V2~V3: add devlink health support
V1~V2: add link extended state
V0~V1: fix auto build test WARNING
drivers/net/ethernet/huawei/hinic/hinic_dev.h | 4 +
.../net/ethernet/huawei/hinic/hinic_devlink.c | 296 +++++++++++++++++-
.../net/ethernet/huawei/hinic/hinic_devlink.h | 8 +-
.../net/ethernet/huawei/hinic/hinic_ethtool.c | 20 ++
.../net/ethernet/huawei/hinic/hinic_hw_dev.c | 148 ++++++++-
.../net/ethernet/huawei/hinic/hinic_hw_dev.h | 148 ++++++++-
.../net/ethernet/huawei/hinic/hinic_hw_mgmt.c | 10 +
.../net/ethernet/huawei/hinic/hinic_hw_mgmt.h | 4 +
.../net/ethernet/huawei/hinic/hinic_main.c | 87 +++--
.../net/ethernet/huawei/hinic/hinic_port.h | 25 ++
10 files changed, 714 insertions(+), 36 deletions(-)
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
index befd925c03dc..0a1e20edf7cf 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
@@ -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
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
index a40a10ac1ee9..c66d2447d021 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c
@@ -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 +317,302 @@ 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)
+{
+ int err;
+
+ if (priv_ctx) {
+ err = fault_report_show(fmsg, priv_ctx);
+ if (err)
+ return err;
+ }
+
+ 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)
+{
+ int err;
+
+ if (priv_ctx) {
+ err = mgmt_watchdog_report_show(fmsg, priv_ctx);
+ if (err)
+ return err;
+ }
+
+ 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;
+ }
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_devlink.h b/drivers/net/ethernet/huawei/hinic/hinic_devlink.h
index 604e95a7c5ce..a090ebcfaabb 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_devlink.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_devlink.h
@@ -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__ */
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
index cb5ebae54f73..6bb65ade1d77 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
@@ -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,
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
index 9831c14324e6..55672ee18aab 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
@@ -16,8 +16,11 @@
#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) {
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
index 94593a8ad667..2fb5f784f116 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
@@ -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);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
index e0f5a81d8620..f5a46d5bb007 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -12,8 +12,10 @@
#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);
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
index 21b93b654d6b..f626100b85c1 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
@@ -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,
};
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index c4c6f9c29f0e..501056fd32ee 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -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 @@ static int nic_dev_init(struct pci_dev *pdev)
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 @@ static int nic_dev_init(struct pci_dev *pdev)
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);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h
index 14931adaffb8..9c3cbe45c9ec 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h
@@ -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;
--
2.17.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH net-next v4 2/2] hinic: add log in exception handling processes
2020-07-24 9:17 [PATCH net-next v4 0/2] hinic: add some error messages for debug Luo bin
2020-07-24 9:17 ` [PATCH net-next v4 1/2] hinic: add support to handle hw abnormal event Luo bin
@ 2020-07-24 9:17 ` Luo bin
1 sibling, 0 replies; 5+ messages in thread
From: Luo bin @ 2020-07-24 9:17 UTC (permalink / raw)
To: davem
Cc: linux-kernel, netdev, luoxianjun, yin.yinshi, cloud.wangxiaoyun,
chiqijun
improve the error message when functions return failure and dump
relevant registers in some exception handling processes
Signed-off-by: Luo bin <luobin9@huawei.com>
---
V0~V1: fix some warning reported by sparse
.../ethernet/huawei/hinic/hinic_hw_api_cmd.c | 27 +++++++-
.../ethernet/huawei/hinic/hinic_hw_api_cmd.h | 4 ++
.../net/ethernet/huawei/hinic/hinic_hw_cmdq.c | 2 +
.../net/ethernet/huawei/hinic/hinic_hw_cmdq.h | 2 +
.../net/ethernet/huawei/hinic/hinic_hw_dev.c | 12 ++--
.../net/ethernet/huawei/hinic/hinic_hw_eqs.c | 39 ++++++++++++
.../net/ethernet/huawei/hinic/hinic_hw_eqs.h | 6 +-
.../net/ethernet/huawei/hinic/hinic_hw_if.c | 23 +++++++
.../net/ethernet/huawei/hinic/hinic_hw_if.h | 10 ++-
.../net/ethernet/huawei/hinic/hinic_hw_mbox.c | 2 +
.../net/ethernet/huawei/hinic/hinic_hw_mgmt.c | 1 +
.../net/ethernet/huawei/hinic/hinic_port.c | 62 +++++++++----------
.../net/ethernet/huawei/hinic/hinic_sriov.c | 6 +-
13 files changed, 151 insertions(+), 45 deletions(-)
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
index 583fd24c29cf..29e88e25a4a4 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
@@ -112,6 +112,26 @@ static u32 get_hw_cons_idx(struct hinic_api_cmd_chain *chain)
return HINIC_API_CMD_STATUS_GET(val, CONS_IDX);
}
+static void dump_api_chain_reg(struct hinic_api_cmd_chain *chain)
+{
+ u32 addr, val;
+
+ addr = HINIC_CSR_API_CMD_STATUS_ADDR(chain->chain_type);
+ val = hinic_hwif_read_reg(chain->hwif, addr);
+
+ dev_err(&chain->hwif->pdev->dev, "Chain type: 0x%x, cpld error: 0x%x, check error: 0x%x, current fsm: 0x%x\n",
+ chain->chain_type, HINIC_API_CMD_STATUS_GET(val, CPLD_ERR),
+ HINIC_API_CMD_STATUS_GET(val, CHKSUM_ERR),
+ HINIC_API_CMD_STATUS_GET(val, FSM));
+
+ dev_err(&chain->hwif->pdev->dev, "Chain hw current ci: 0x%x\n",
+ HINIC_API_CMD_STATUS_GET(val, CONS_IDX));
+
+ addr = HINIC_CSR_API_CMD_CHAIN_PI_ADDR(chain->chain_type);
+ val = hinic_hwif_read_reg(chain->hwif, addr);
+ dev_err(&chain->hwif->pdev->dev, "Chain hw current pi: 0x%x\n", val);
+}
+
/**
* chain_busy - check if the chain is still processing last requests
* @chain: chain to check
@@ -131,8 +151,10 @@ static int chain_busy(struct hinic_api_cmd_chain *chain)
/* check for a space for a new command */
if (chain->cons_idx == MASKED_IDX(chain, prod_idx + 1)) {
- dev_err(&pdev->dev, "API CMD chain %d is busy\n",
- chain->chain_type);
+ dev_err(&pdev->dev, "API CMD chain %d is busy, cons_idx: %d, prod_idx: %d\n",
+ chain->chain_type, chain->cons_idx,
+ chain->prod_idx);
+ dump_api_chain_reg(chain);
return -EBUSY;
}
break;
@@ -332,6 +354,7 @@ static int wait_for_api_cmd_completion(struct hinic_api_cmd_chain *chain)
err = wait_for_status_poll(chain);
if (err) {
dev_err(&pdev->dev, "API CMD Poll status timeout\n");
+ dump_api_chain_reg(chain);
break;
}
break;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h
index 0ba00fd828df..6d1654b050ad 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h
@@ -103,10 +103,14 @@
HINIC_API_CMD_STATUS_HEADER_##member##_MASK)
#define HINIC_API_CMD_STATUS_CONS_IDX_SHIFT 0
+#define HINIC_API_CMD_STATUS_FSM_SHIFT 24
#define HINIC_API_CMD_STATUS_CHKSUM_ERR_SHIFT 28
+#define HINIC_API_CMD_STATUS_CPLD_ERR_SHIFT 30
#define HINIC_API_CMD_STATUS_CONS_IDX_MASK 0xFFFFFF
+#define HINIC_API_CMD_STATUS_FSM_MASK 0xFU
#define HINIC_API_CMD_STATUS_CHKSUM_ERR_MASK 0x3
+#define HINIC_API_CMD_STATUS_CPLD_ERR_MASK 0x1U
#define HINIC_API_CMD_STATUS_GET(val, member) \
(((val) >> HINIC_API_CMD_STATUS_##member##_SHIFT) & \
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
index cb5b6e5f787f..e0eb294779ec 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
@@ -401,6 +401,7 @@ static int cmdq_sync_cmd_direct_resp(struct hinic_cmdq *cmdq,
spin_unlock_bh(&cmdq->cmdq_lock);
+ hinic_dump_ceq_info(cmdq->hwdev);
return -ETIMEDOUT;
}
@@ -807,6 +808,7 @@ static int init_cmdqs_ctxt(struct hinic_hwdev *hwdev,
cmdq_type = HINIC_CMDQ_SYNC;
for (; cmdq_type < HINIC_MAX_CMDQ_TYPES; cmdq_type++) {
+ cmdqs->cmdq[cmdq_type].hwdev = hwdev;
err = init_cmdq(&cmdqs->cmdq[cmdq_type],
&cmdqs->saved_wqs[cmdq_type], cmdq_type,
db_area[cmdq_type]);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
index 3e4b0aef9fe6..f40c31e1879f 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
@@ -130,6 +130,8 @@ struct hinic_cmdq_ctxt {
};
struct hinic_cmdq {
+ struct hinic_hwdev *hwdev;
+
struct hinic_wq *wq;
enum hinic_cmdq_type cmdq_type;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
index 55672ee18aab..0c737765d113 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
@@ -258,9 +258,9 @@ static int init_fw_ctxt(struct hinic_hwdev *hwdev)
&fw_ctxt, sizeof(fw_ctxt),
&fw_ctxt, &out_size);
if (err || (out_size != sizeof(fw_ctxt)) || fw_ctxt.status) {
- dev_err(&pdev->dev, "Failed to init FW ctxt, ret = %d\n",
- fw_ctxt.status);
- return -EFAULT;
+ dev_err(&pdev->dev, "Failed to init FW ctxt, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, fw_ctxt.status, out_size);
+ return -EIO;
}
return 0;
@@ -425,9 +425,9 @@ static int get_base_qpn(struct hinic_hwdev *hwdev, u16 *base_qpn)
&cmd_base_qpn, sizeof(cmd_base_qpn),
&cmd_base_qpn, &out_size);
if (err || (out_size != sizeof(cmd_base_qpn)) || cmd_base_qpn.status) {
- dev_err(&pdev->dev, "Failed to get base qpn, status = %d\n",
- cmd_base_qpn.status);
- return -EFAULT;
+ dev_err(&pdev->dev, "Failed to get base qpn, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, cmd_base_qpn.status, out_size);
+ return -EIO;
}
*base_qpn = cmd_base_qpn.qpn;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
index 397936cac304..ca8cb68a8d20 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
@@ -953,3 +953,42 @@ void hinic_ceqs_free(struct hinic_ceqs *ceqs)
for (q_id = 0; q_id < ceqs->num_ceqs; q_id++)
remove_eq(&ceqs->ceq[q_id]);
}
+
+void hinic_dump_ceq_info(struct hinic_hwdev *hwdev)
+{
+ struct hinic_eq *eq = NULL;
+ u32 addr, ci, pi;
+ int q_id;
+
+ for (q_id = 0; q_id < hwdev->func_to_io.ceqs.num_ceqs; q_id++) {
+ eq = &hwdev->func_to_io.ceqs.ceq[q_id];
+ addr = EQ_CONS_IDX_REG_ADDR(eq);
+ ci = hinic_hwif_read_reg(hwdev->hwif, addr);
+ addr = EQ_PROD_IDX_REG_ADDR(eq);
+ pi = hinic_hwif_read_reg(hwdev->hwif, addr);
+ dev_err(&hwdev->hwif->pdev->dev, "Ceq id: %d, ci: 0x%08x, sw_ci: 0x%08x, pi: 0x%x, tasklet_state: 0x%lx, wrap: %d, ceqe: 0x%x\n",
+ q_id, ci, eq->cons_idx, pi,
+ eq->ceq_tasklet.state,
+ eq->wrapped, be32_to_cpu(*(__be32 *)(GET_CURR_CEQ_ELEM(eq))));
+ }
+}
+
+void hinic_dump_aeq_info(struct hinic_hwdev *hwdev)
+{
+ struct hinic_aeq_elem *aeqe_pos = NULL;
+ struct hinic_eq *eq = NULL;
+ u32 addr, ci, pi;
+ int q_id;
+
+ for (q_id = 0; q_id < hwdev->aeqs.num_aeqs; q_id++) {
+ eq = &hwdev->aeqs.aeq[q_id];
+ addr = EQ_CONS_IDX_REG_ADDR(eq);
+ ci = hinic_hwif_read_reg(hwdev->hwif, addr);
+ addr = EQ_PROD_IDX_REG_ADDR(eq);
+ pi = hinic_hwif_read_reg(hwdev->hwif, addr);
+ aeqe_pos = GET_CURR_AEQ_ELEM(eq);
+ dev_err(&hwdev->hwif->pdev->dev, "Aeq id: %d, ci: 0x%08x, pi: 0x%x, work_state: 0x%x, wrap: %d, desc: 0x%x\n",
+ q_id, ci, pi, work_busy(&eq->aeq_work.work),
+ eq->wrapped, be32_to_cpu(aeqe_pos->desc));
+ }
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
index 74b9ff90640c..43065fc70869 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
@@ -162,7 +162,7 @@ enum hinic_eqe_state {
struct hinic_aeq_elem {
u8 data[HINIC_AEQE_DATA_SIZE];
- u32 desc;
+ __be32 desc;
};
struct hinic_eq_work {
@@ -254,4 +254,8 @@ int hinic_ceqs_init(struct hinic_ceqs *ceqs, struct hinic_hwif *hwif,
void hinic_ceqs_free(struct hinic_ceqs *ceqs);
+void hinic_dump_ceq_info(struct hinic_hwdev *hwdev);
+
+void hinic_dump_aeq_info(struct hinic_hwdev *hwdev);
+
#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
index cf127d896ba6..bc8925c0c982 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
@@ -21,6 +21,8 @@
#define WAIT_HWIF_READY_TIMEOUT 10000
+#define HINIC_SELFTEST_RESULT 0x883C
+
/**
* hinic_msix_attr_set - set message attribute for msix entry
* @hwif: the HW interface of a pci function device
@@ -369,6 +371,26 @@ u16 hinic_pf_id_of_vf_hw(struct hinic_hwif *hwif)
return HINIC_FA0_GET(attr0, PF_IDX);
}
+static void __print_selftest_reg(struct hinic_hwif *hwif)
+{
+ u32 addr, attr0, attr1;
+
+ addr = HINIC_CSR_FUNC_ATTR1_ADDR;
+ attr1 = hinic_hwif_read_reg(hwif, addr);
+
+ if (attr1 == HINIC_PCIE_LINK_DOWN) {
+ dev_err(&hwif->pdev->dev, "PCIE is link down\n");
+ return;
+ }
+
+ addr = HINIC_CSR_FUNC_ATTR0_ADDR;
+ attr0 = hinic_hwif_read_reg(hwif, addr);
+ if (HINIC_FA0_GET(attr0, FUNC_TYPE) != HINIC_VF &&
+ !HINIC_FA0_GET(attr0, PCI_INTF_IDX))
+ dev_err(&hwif->pdev->dev, "Selftest reg: 0x%08x\n",
+ hinic_hwif_read_reg(hwif, HINIC_SELFTEST_RESULT));
+}
+
/**
* hinic_init_hwif - initialize the hw interface
* @hwif: the HW interface of a pci function device
@@ -398,6 +420,7 @@ int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev)
err = wait_hwif_ready(hwif);
if (err) {
dev_err(&pdev->dev, "HW interface is not ready\n");
+ __print_selftest_reg(hwif);
goto err_hwif_ready;
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
index 0872e035faa1..c06f2253151e 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
@@ -12,6 +12,8 @@
#include <linux/types.h>
#include <asm/byteorder.h>
+#define HINIC_PCIE_LINK_DOWN 0xFFFFFFFF
+
#define HINIC_DMA_ATTR_ST_SHIFT 0
#define HINIC_DMA_ATTR_AT_SHIFT 8
#define HINIC_DMA_ATTR_PH_SHIFT 10
@@ -249,13 +251,17 @@ struct hinic_hwif {
static inline u32 hinic_hwif_read_reg(struct hinic_hwif *hwif, u32 reg)
{
- return be32_to_cpu(readl(hwif->cfg_regs_bar + reg));
+ u32 out = readl(hwif->cfg_regs_bar + reg);
+
+ return be32_to_cpu(*(__be32 *)&out);
}
static inline void hinic_hwif_write_reg(struct hinic_hwif *hwif, u32 reg,
u32 val)
{
- writel(cpu_to_be32(val), hwif->cfg_regs_bar + reg);
+ __be32 in = cpu_to_be32(val);
+
+ writel(*(u32 *)&in, hwif->cfg_regs_bar + reg);
}
int hinic_msix_attr_set(struct hinic_hwif *hwif, u16 msix_index,
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
index bc2f87e6cb5d..47c93f946b94 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
@@ -650,6 +650,7 @@ wait_for_mbox_seg_completion(struct hinic_mbox_func_to_func *func_to_func,
if (!wait_for_completion_timeout(done, jif)) {
dev_err(&hwdev->hwif->pdev->dev, "Send mailbox segment timeout\n");
dump_mox_reg(hwdev);
+ hinic_dump_aeq_info(hwdev);
return -ETIMEDOUT;
}
@@ -897,6 +898,7 @@ int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
set_mbox_to_func_event(func_to_func, EVENT_TIMEOUT);
dev_err(&func_to_func->hwif->pdev->dev,
"Send mbox msg timeout, msg_id: %d\n", msg_info.msg_id);
+ hinic_dump_aeq_info(func_to_func->hwdev);
err = -ETIMEDOUT;
goto err_send_mbox;
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
index f5a46d5bb007..c6ce5966284c 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -276,6 +276,7 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
if (!wait_for_completion_timeout(recv_done, timeo)) {
dev_err(&pdev->dev, "MGMT timeout, MSG id = %d\n", msg_id);
+ hinic_dump_aeq_info(pf_to_mgmt->hwdev);
err = -ETIMEDOUT;
goto unlock_sync_msg;
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c
index ba358bbb74a2..02cd635d6914 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c
@@ -61,8 +61,8 @@ static int change_mac(struct hinic_dev *nic_dev, const u8 *addr,
(port_mac_cmd.status &&
port_mac_cmd.status != HINIC_PF_SET_VF_ALREADY &&
port_mac_cmd.status != HINIC_MGMT_STATUS_EXIST)) {
- dev_err(&pdev->dev, "Failed to change MAC, ret = %d\n",
- port_mac_cmd.status);
+ dev_err(&pdev->dev, "Failed to change MAC, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, port_mac_cmd.status, out_size);
return -EFAULT;
}
@@ -129,8 +129,8 @@ int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr)
&port_mac_cmd, sizeof(port_mac_cmd),
&port_mac_cmd, &out_size);
if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
- dev_err(&pdev->dev, "Failed to get mac, ret = %d\n",
- port_mac_cmd.status);
+ dev_err(&pdev->dev, "Failed to get mac, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, port_mac_cmd.status, out_size);
return -EFAULT;
}
@@ -172,9 +172,9 @@ int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu)
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU,
&port_mtu_cmd, sizeof(port_mtu_cmd),
&port_mtu_cmd, &out_size);
- if (err || (out_size != sizeof(port_mtu_cmd)) || port_mtu_cmd.status) {
- dev_err(&pdev->dev, "Failed to set mtu, ret = %d\n",
- port_mtu_cmd.status);
+ if (err || out_size != sizeof(port_mtu_cmd) || port_mtu_cmd.status) {
+ dev_err(&pdev->dev, "Failed to set mtu, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, port_mtu_cmd.status, out_size);
return -EFAULT;
}
@@ -264,8 +264,8 @@ int hinic_port_link_state(struct hinic_dev *nic_dev,
&link_cmd, sizeof(link_cmd),
&link_cmd, &out_size);
if (err || (out_size != sizeof(link_cmd)) || link_cmd.status) {
- dev_err(&pdev->dev, "Failed to get link state, ret = %d\n",
- link_cmd.status);
+ dev_err(&pdev->dev, "Failed to get link state, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, link_cmd.status, out_size);
return -EINVAL;
}
@@ -298,8 +298,8 @@ int hinic_port_set_state(struct hinic_dev *nic_dev, enum hinic_port_state state)
&port_state, sizeof(port_state),
&port_state, &out_size);
if (err || (out_size != sizeof(port_state)) || port_state.status) {
- dev_err(&pdev->dev, "Failed to set port state, ret = %d\n",
- port_state.status);
+ dev_err(&pdev->dev, "Failed to set port state, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, port_state.status, out_size);
return -EFAULT;
}
@@ -330,8 +330,8 @@ int hinic_port_set_func_state(struct hinic_dev *nic_dev,
&func_state, sizeof(func_state),
&func_state, &out_size);
if (err || (out_size != sizeof(func_state)) || func_state.status) {
- dev_err(&pdev->dev, "Failed to set port func state, ret = %d\n",
- func_state.status);
+ dev_err(&pdev->dev, "Failed to set port func state, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, func_state.status, out_size);
return -EFAULT;
}
@@ -361,9 +361,9 @@ int hinic_port_get_cap(struct hinic_dev *nic_dev,
port_cap, &out_size);
if (err || (out_size != sizeof(*port_cap)) || port_cap->status) {
dev_err(&pdev->dev,
- "Failed to get port capabilities, ret = %d\n",
- port_cap->status);
- return -EINVAL;
+ "Failed to get port capabilities, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, port_cap->status, out_size);
+ return -EIO;
}
return 0;
@@ -393,9 +393,9 @@ int hinic_port_set_tso(struct hinic_dev *nic_dev, enum hinic_tso_state state)
&tso_cfg, &out_size);
if (err || out_size != sizeof(tso_cfg) || tso_cfg.status) {
dev_err(&pdev->dev,
- "Failed to set port tso, ret = %d\n",
- tso_cfg.status);
- return -EINVAL;
+ "Failed to set port tso, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, tso_cfg.status, out_size);
+ return -EIO;
}
return 0;
@@ -423,9 +423,9 @@ int hinic_set_rx_csum_offload(struct hinic_dev *nic_dev, u32 en)
&rx_csum_cfg, &out_size);
if (err || !out_size || rx_csum_cfg.status) {
dev_err(&pdev->dev,
- "Failed to set rx csum offload, ret = %d\n",
- rx_csum_cfg.status);
- return -EINVAL;
+ "Failed to set rx csum offload, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, rx_csum_cfg.status, out_size);
+ return -EIO;
}
return 0;
@@ -480,9 +480,9 @@ int hinic_set_max_qnum(struct hinic_dev *nic_dev, u8 num_rqs)
&rq_num, &out_size);
if (err || !out_size || rq_num.status) {
dev_err(&pdev->dev,
- "Failed to rxq number, ret = %d\n",
- rq_num.status);
- return -EINVAL;
+ "Failed to set rxq number, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, rq_num.status, out_size);
+ return -EIO;
}
return 0;
@@ -508,9 +508,9 @@ static int hinic_set_rx_lro(struct hinic_dev *nic_dev, u8 ipv4_en, u8 ipv6_en,
&lro_cfg, &out_size);
if (err || !out_size || lro_cfg.status) {
dev_err(&pdev->dev,
- "Failed to set lro offload, ret = %d\n",
- lro_cfg.status);
- return -EINVAL;
+ "Failed to set lro offload, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, lro_cfg.status, out_size);
+ return -EIO;
}
return 0;
@@ -542,10 +542,10 @@ static int hinic_set_rx_lro_timer(struct hinic_dev *nic_dev, u32 timer_value)
if (err || !out_size || lro_timer.status) {
dev_err(&pdev->dev,
- "Failed to set lro timer, ret = %d\n",
- lro_timer.status);
+ "Failed to set lro timer, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, lro_timer.status, out_size);
- return -EINVAL;
+ return -EIO;
}
return 0;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
index caf7e81e3f62..141206917e4d 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
@@ -40,9 +40,9 @@ static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr,
if (err || out_size != sizeof(mac_info) ||
(mac_info.status && mac_info.status != HINIC_PF_SET_VF_ALREADY &&
mac_info.status != HINIC_MGMT_STATUS_EXIST)) {
- dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to change MAC, ret = %d\n",
- mac_info.status);
- return -EFAULT;
+ dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, mac_info.status, out_size);
+ return -EIO;
}
return 0;
--
2.17.1
^ permalink raw reply related [flat|nested] 5+ messages in thread