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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c8
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h7
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c56
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h7
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h2
6 files changed, 80 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 24a17ce35703..cd5932c75997 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2134,7 +2134,9 @@ static int bnxt_async_event_process(struct bnxt *bp,
bp->fw_reset_max_dsecs = le16_to_cpu(cmpl->timestamp_hi);
if (!bp->fw_reset_max_dsecs)
bp->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS;
- if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) {
+ if (EVENT_DATA1_RESET_NOTIFY_FW_ACTIVATION(data1)) {
+ set_bit(BNXT_STATE_FW_ACTIVATE_RESET, &bp->state);
+ } else if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) {
fatal_str = "fatal";
set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
}
@@ -12149,6 +12151,9 @@ static void bnxt_fw_reset_task(struct work_struct *work)
}
}
clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
+ if (test_and_clear_bit(BNXT_STATE_FW_ACTIVATE_RESET, &bp->state) &&
+ !test_bit(BNXT_STATE_FW_ACTIVATE, &bp->state))
+ bnxt_dl_remote_reload(bp);
if (pci_enable_device(bp->pdev)) {
netdev_err(bp->dev, "Cannot re-enable PCI device\n");
rc = -ENODEV;
@@ -12200,6 +12205,7 @@ static void bnxt_fw_reset_task(struct work_struct *work)
bnxt_ptp_reapply_pps(bp);
bnxt_dl_health_recovery_done(bp);
bnxt_dl_health_status_update(bp, true);
+ clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state);
rtnl_unlock();
break;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 4a9bdab90c28..38c23b4106a1 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -489,6 +489,11 @@ struct rx_tpa_end_cmp_ext {
ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK) ==\
ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL)
+#define EVENT_DATA1_RESET_NOTIFY_FW_ACTIVATION(data1) \
+ (((data1) & \
+ ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK) ==\
+ ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_ACTIVATION)
+
#define EVENT_DATA1_RECOVERY_MASTER_FUNC(data1) \
!!((data1) & \
ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC)
@@ -1888,6 +1893,8 @@ struct bnxt {
#define BNXT_STATE_DRV_REGISTERED 7
#define BNXT_STATE_PCI_CHANNEL_IO_FROZEN 8
#define BNXT_STATE_NAPI_DISABLED 9
+#define BNXT_STATE_FW_ACTIVATE 11
+#define BNXT_STATE_FW_ACTIVATE_RESET 14
#define BNXT_NO_FW_ACCESS(bp) \
(test_bit(BNXT_STATE_FW_FATAL_COND, &(bp)->state) || \
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index d875469f72ce..9922c1428129 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -327,6 +327,30 @@ static int bnxt_dl_reload_down(struct devlink *dl, bool netns_change,
bp->ctx = NULL;
break;
}
+ case DEVLINK_RELOAD_ACTION_FW_ACTIVATE: {
+ if (~bp->fw_cap & BNXT_FW_CAP_HOT_RESET) {
+ NL_SET_ERR_MSG_MOD(extack, "Device not capable, requires reboot");
+ return -EOPNOTSUPP;
+ }
+ rtnl_lock();
+ if (bp->dev->reg_state == NETREG_UNREGISTERED) {
+ rtnl_unlock();
+ return -ENODEV;
+ }
+ if (netif_running(bp->dev))
+ set_bit(BNXT_STATE_FW_ACTIVATE, &bp->state);
+ rc = bnxt_hwrm_firmware_reset(bp->dev,
+ FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
+ FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
+ FW_RESET_REQ_FLAGS_RESET_GRACEFUL |
+ FW_RESET_REQ_FLAGS_FW_ACTIVATION);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Failed to activate firmware");
+ clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state);
+ rtnl_unlock();
+ }
+ break;
+ }
default:
rc = -EOPNOTSUPP;
}
@@ -355,6 +379,35 @@ static int bnxt_dl_reload_up(struct devlink *dl, enum devlink_reload_action acti
}
break;
}
+ case DEVLINK_RELOAD_ACTION_FW_ACTIVATE: {
+ unsigned long start = jiffies;
+ unsigned long timeout = start + BNXT_DFLT_FW_RST_MAX_DSECS * HZ / 10;
+
+ if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)
+ timeout = start + bp->fw_health->normal_func_wait_dsecs * HZ / 10;
+ if (!netif_running(bp->dev))
+ NL_SET_ERR_MSG_MOD(extack,
+ "Device is closed, not waiting for reset notice that will never come");
+ rtnl_unlock();
+ while (test_bit(BNXT_STATE_FW_ACTIVATE, &bp->state)) {
+ if (time_after(jiffies, timeout)) {
+ NL_SET_ERR_MSG_MOD(extack, "Activation incomplete");
+ rc = -ETIMEDOUT;
+ break;
+ }
+ if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) {
+ NL_SET_ERR_MSG_MOD(extack, "Activation aborted");
+ rc = -ENODEV;
+ break;
+ }
+ msleep(50);
+ }
+ rtnl_lock();
+ if (!rc)
+ *actions_performed |= BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT);
+ clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state);
+ break;
+ }
default:
return -EOPNOTSUPP;
}
@@ -381,7 +434,8 @@ static const struct devlink_ops bnxt_dl_ops = {
#endif /* CONFIG_BNXT_SRIOV */
.info_get = bnxt_dl_info_get,
.flash_update = bnxt_dl_flash_update,
- .reload_actions = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT),
+ .reload_actions = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) |
+ BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE),
.reload_down = bnxt_dl_reload_down,
.reload_up = bnxt_dl_reload_up,
};
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
index 406dc655a5fc..a189cfe1e441 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
@@ -20,6 +20,13 @@ static inline struct bnxt *bnxt_get_bp_from_dl(struct devlink *dl)
return ((struct bnxt_dl *)devlink_priv(dl))->bp;
}
+static inline void bnxt_dl_remote_reload(struct bnxt *bp)
+{
+ devlink_remote_reload_actions_performed(bp->dl, 0,
+ BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) |
+ BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE));
+}
+
#define NVM_OFF_MSIX_VEC_PER_PF_MAX 108
#define NVM_OFF_MSIX_VEC_PER_PF_MIN 114
#define NVM_OFF_IGNORE_ARI 164
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index fbb56b1f70fd..ac8df5c6906f 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2180,8 +2180,8 @@ static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
return rc;
}
-static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
- u8 self_reset, u8 flags)
+int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
+ u8 self_reset, u8 flags)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_fw_reset_input *req;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
index 0a57cb6a4a4b..bbf184c63b0a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
@@ -94,6 +94,8 @@ u32 bnxt_fw_to_ethtool_speed(u16);
u16 bnxt_get_fw_auto_link_speeds(u32);
int bnxt_hwrm_nvm_get_dev_info(struct bnxt *bp,
struct hwrm_nvm_get_dev_info_output *nvm_dev_info);
+int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
+ u8 self_reset, u8 flags);
int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware *fw,
u32 install_type);
void bnxt_ethtool_init(struct bnxt *bp);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.