diff options
author | Luo bin <luobin9@huawei.com> | 2020-07-25 15:11:18 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-28 17:22:02 -0700 |
commit | c15850c709eb5c7771785c9174e4908d1806a0f0 (patch) | |
tree | e821faf2326a2301e6d7ba7005732b37069dbe25 /drivers/net/ethernet/huawei | |
parent | aff7543126df2006f9eb44859b11c8615de6967d (diff) | |
download | linux-c15850c709eb5c7771785c9174e4908d1806a0f0.tar.bz2 |
hinic: add support to handle hw abnormal event
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>
Diffstat (limited to 'drivers/net/ethernet/huawei')
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_dev.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_devlink.c | 286 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_devlink.h | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_ethtool.c | 20 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c | 148 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h | 148 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c | 10 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_main.c | 87 | ||||
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_port.h | 25 |
10 files changed, 704 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..c6adc776f3c8 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 +317,292 @@ 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; + } +} 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) @@ -1238,6 +1274,10 @@ 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)) { @@ -1357,6 +1396,10 @@ 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); rx_mode_work = &nic_dev->rx_mode_work; @@ -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; |