From c7554dcd6dbff3d1b295062649df4bce410bf50e Mon Sep 17 00:00:00 2001 From: Huazhong Tan Date: Sat, 11 Jan 2020 16:33:53 +0800 Subject: net: hns3: refactor the notification scheme of PF reset hclge_reset_prepare_down() is only used to inform VF that PF is going to do function reset, then using hclge_func_reset_sync_vf() in hclge_reset_prepare_wait() to query whether VF is ready before asserting PF function reset. To make the code more readable, this patch uses a new function hclge_function_reset_notify_vf() to do this job. Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 42 ++++++++++------------ 1 file changed, 19 insertions(+), 23 deletions(-) (limited to 'drivers/net/ethernet/hisilicon/hns3') diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 21ecd797d450..76e8aa40e1bc 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -3562,23 +3562,6 @@ static void hclge_clear_reset_cause(struct hclge_dev *hdev) hclge_enable_vector(&hdev->misc_vector, true); } -static int hclge_reset_prepare_down(struct hclge_dev *hdev) -{ - int ret = 0; - - switch (hdev->reset_type) { - case HNAE3_FUNC_RESET: - /* fall through */ - case HNAE3_FLR_RESET: - ret = hclge_set_all_vf_rst(hdev, true); - break; - default: - break; - } - - return ret; -} - static void hclge_reset_handshake(struct hclge_dev *hdev, bool enable) { u32 reg_val; @@ -3592,6 +3575,19 @@ static void hclge_reset_handshake(struct hclge_dev *hdev, bool enable) hclge_write_dev(&hdev->hw, HCLGE_NIC_CSQ_DEPTH_REG, reg_val); } +static int hclge_func_reset_notify_vf(struct hclge_dev *hdev) +{ + int ret; + + ret = hclge_set_all_vf_rst(hdev, true); + if (ret) + return ret; + + hclge_func_reset_sync_vf(hdev); + + return 0; +} + static int hclge_reset_prepare_wait(struct hclge_dev *hdev) { u32 reg_val; @@ -3599,7 +3595,9 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev) switch (hdev->reset_type) { case HNAE3_FUNC_RESET: - hclge_func_reset_sync_vf(hdev); + ret = hclge_func_reset_notify_vf(hdev); + if (ret) + return ret; ret = hclge_func_reset_cmd(hdev, 0); if (ret) { @@ -3617,7 +3615,9 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev) hdev->rst_stats.pf_rst_cnt++; break; case HNAE3_FLR_RESET: - hclge_func_reset_sync_vf(hdev); + ret = hclge_func_reset_notify_vf(hdev); + if (ret) + return ret; break; case HNAE3_IMP_RESET: hclge_handle_imp_error(hdev); @@ -3761,10 +3761,6 @@ static int hclge_reset_prepare(struct hclge_dev *hdev) if (ret) return ret; - ret = hclge_reset_prepare_down(hdev); - if (ret) - return ret; - rtnl_lock(); ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT); rtnl_unlock(); -- cgit v1.2.3-59-g8ed1b