From 182d1b5868d8d6d91fe2552d3dec0edc31317dfa Mon Sep 17 00:00:00 2001 From: Tian Jiang Date: Mon, 17 Apr 2023 19:40:57 +0800 Subject: [PATCH 202/283] net: hns3: add support disable nic clock driver inclusion category: feature bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EN3D CVE: NA ---------------------------------------------------------------------- The patch disables the clocks of the PPP, PPU, IGU_EGU, ROCE, and TM modules by configuring the network subctrl register. Signed-off-by: Tian Jiang Signed-off-by: shaojijie Signed-off-by: Jiantao Xiao Signed-off-by: Xiaodong Li Conflicts: drivers/net/ethernet/hisilicon/hns3/hnae3_ext.h drivers/net/ethernet/hisilicon/hns3/hns3_ext.c drivers/net/ethernet/hisilicon/hns3/hns3_ext.h --- .../ethernet/hisilicon/hns3/hns3pf/hclge_ext.c | 18 ++++++++++++++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_ext.h | 1 + 2 files changed, 19 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c index b8bdace3245b..2a405fecd5ad 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.c @@ -522,6 +522,23 @@ static int hclge_get_net_lane_status(struct hclge_dev *hdev, void *data, return 0; } +static int hclge_disable_nic_clock(struct hclge_dev *hdev, void *data, + size_t length) +{ + struct hclge_desc desc; + u32 nic_clock_en = 0; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_NIC_CLOCK, false); + desc.data[0] = cpu_to_le32(nic_clock_en); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "failed to disable nic clock, ret = %d\n", ret); + return ret; +} + static void hclge_ext_resotre_config(struct hclge_dev *hdev) { if (hdev->reset_type != HNAE3_IMP_RESET && @@ -686,6 +703,7 @@ static const hclge_priv_ops_fn hclge_ext_func_arr[] = { [HNAE3_EXT_OPC_SET_SFP_STATE] = hclge_set_sfp_state, [HNAE3_EXT_OPC_DISABLE_LANE] = hclge_disable_net_lane, [HNAE3_EXT_OPC_GET_LANE_STATUS] = hclge_get_net_lane_status, + [HNAE3_EXT_OPC_DISABLE_CLOCK] = hclge_disable_nic_clock, }; int hclge_ext_ops_handle(struct hnae3_handle *handle, int opcode, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h index 06b3d9c494f4..04f9ab5261e8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ext.h @@ -84,6 +84,7 @@ struct hclge_sfp_enable_cmd { }; enum hclge_ext_opcode_type { + HCLGE_OPC_CONFIG_NIC_CLOCK = 0x0060, HCLGE_OPC_CONFIG_SWITCH_PARAM = 0x1033, HCLGE_OPC_CONFIG_VLAN_FILTER = 0x1100, HCLGE_OPC_SET_NOTIFY_PKT = 0x180A, -- 2.34.1