diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index f584a6ba3cad..51cf679c99ea 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10402,6 +10402,62 @@ static int bnxt_fw_init_one(struct bnxt *bp) return 0; } +static void bnxt_fw_reset_writel(struct bnxt *bp, int reg_idx) +{ + struct bnxt_fw_health *fw_health = bp->fw_health; + u32 reg = fw_health->fw_reset_seq_regs[reg_idx]; + u32 val = fw_health->fw_reset_seq_vals[reg_idx]; + u32 reg_type, reg_off, delay_msecs; + + delay_msecs = fw_health->fw_reset_seq_delay_msec[reg_idx]; + reg_type = BNXT_FW_HEALTH_REG_TYPE(reg); + reg_off = BNXT_FW_HEALTH_REG_OFF(reg); + switch (reg_type) { + case BNXT_FW_HEALTH_REG_TYPE_CFG: + pci_write_config_dword(bp->pdev, reg_off, val); + break; + case BNXT_FW_HEALTH_REG_TYPE_GRC: + writel(reg_off & BNXT_GRC_BASE_MASK, + bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4); + reg_off = (reg_off & BNXT_GRC_OFFSET_MASK) + 0x2000; + /* fall through */ + case BNXT_FW_HEALTH_REG_TYPE_BAR0: + writel(val, bp->bar0 + reg_off); + break; + case BNXT_FW_HEALTH_REG_TYPE_BAR1: + writel(val, bp->bar1 + reg_off); + break; + } + if (delay_msecs) { + pci_read_config_dword(bp->pdev, 0, &val); + msleep(delay_msecs); + } +} + +static void bnxt_reset_all(struct bnxt *bp) +{ + struct bnxt_fw_health *fw_health = bp->fw_health; + int i; + + if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_HOST) { + for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) + bnxt_fw_reset_writel(bp, i); + } else if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) { + struct hwrm_fw_reset_input req = {0}; + int rc; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); + req.resp_addr = cpu_to_le64(bp->hwrm_cmd_kong_resp_dma_addr); + req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP; + req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP; + req.flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL; + rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + netdev_warn(bp->dev, "Unable to reset FW rc=%d\n", rc); + } + bp->fw_reset_timestamp = jiffies; +} + static void bnxt_fw_reset_task(struct work_struct *work) { struct bnxt *bp = container_of(work, struct bnxt, fw_reset_task.work); @@ -10441,6 +10497,14 @@ static void bnxt_fw_reset_task(struct work_struct *work) rtnl_unlock(); bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10); return; + case BNXT_FW_RESET_STATE_RESET_FW: { + u32 wait_dsecs = bp->fw_health->post_reset_wait_dsecs; + + bnxt_reset_all(bp); + bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; + bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); + return; + } case BNXT_FW_RESET_STATE_ENABLE_DEV: clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); if (pci_enable_device(bp->pdev)) { |