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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/hisilicon/hns3/hns3vf
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h136
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c136
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.h15
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c3482
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h298
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c388
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h87
7 files changed, 4542 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
new file mode 100644
index 000000000..537b887fa
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2016-2017 Hisilicon Limited. */
+
+#ifndef __HCLGEVF_CMD_H
+#define __HCLGEVF_CMD_H
+#include <linux/io.h>
+#include <linux/types.h>
+#include "hnae3.h"
+#include "hclge_comm_cmd.h"
+
+#define HCLGEVF_CMDQ_RX_INVLD_B 0
+#define HCLGEVF_CMDQ_RX_OUTVLD_B 1
+
+struct hclgevf_hw;
+struct hclgevf_dev;
+
+#define HCLGEVF_SYNC_RX_RING_HEAD_EN_B 4
+
+#define HCLGEVF_TQP_REG_OFFSET 0x80000
+#define HCLGEVF_TQP_REG_SIZE 0x200
+
+#define HCLGEVF_TQP_MAX_SIZE_DEV_V2 1024
+#define HCLGEVF_TQP_EXT_REG_OFFSET 0x100
+
+struct hclgevf_tqp_map {
+ __le16 tqp_id; /* Absolute tqp id for in this pf */
+ u8 tqp_vf; /* VF id */
+#define HCLGEVF_TQP_MAP_TYPE_PF 0
+#define HCLGEVF_TQP_MAP_TYPE_VF 1
+#define HCLGEVF_TQP_MAP_TYPE_B 0
+#define HCLGEVF_TQP_MAP_EN_B 1
+ u8 tqp_flag; /* Indicate it's pf or vf tqp */
+ __le16 tqp_vid; /* Virtual id in this pf/vf */
+ u8 rsv[18];
+};
+
+#define HCLGEVF_VECTOR_ELEMENTS_PER_CMD 10
+
+enum hclgevf_int_type {
+ HCLGEVF_INT_TX = 0,
+ HCLGEVF_INT_RX,
+ HCLGEVF_INT_EVENT,
+};
+
+struct hclgevf_ctrl_vector_chain {
+ u8 int_vector_id;
+ u8 int_cause_num;
+#define HCLGEVF_INT_TYPE_S 0
+#define HCLGEVF_INT_TYPE_M 0x3
+#define HCLGEVF_TQP_ID_S 2
+#define HCLGEVF_TQP_ID_M (0x3fff << HCLGEVF_TQP_ID_S)
+ __le16 tqp_type_and_id[HCLGEVF_VECTOR_ELEMENTS_PER_CMD];
+ u8 vfid;
+ u8 resv;
+};
+
+#define HCLGEVF_MSIX_OFT_ROCEE_S 0
+#define HCLGEVF_MSIX_OFT_ROCEE_M (0xffff << HCLGEVF_MSIX_OFT_ROCEE_S)
+#define HCLGEVF_VEC_NUM_S 0
+#define HCLGEVF_VEC_NUM_M (0xff << HCLGEVF_VEC_NUM_S)
+struct hclgevf_query_res_cmd {
+ __le16 tqp_num;
+ __le16 reserved;
+ __le16 msixcap_localid_ba_nic;
+ __le16 msixcap_localid_ba_rocee;
+ __le16 vf_intr_vector_number;
+ __le16 rsv[7];
+};
+
+#define HCLGEVF_GRO_EN_B 0
+struct hclgevf_cfg_gro_status_cmd {
+ u8 gro_en;
+ u8 rsv[23];
+};
+
+#define HCLGEVF_LINK_STS_B 0
+#define HCLGEVF_LINK_STATUS BIT(HCLGEVF_LINK_STS_B)
+struct hclgevf_link_status_cmd {
+ u8 status;
+ u8 rsv[23];
+};
+
+#define HCLGEVF_RING_ID_MASK 0x3ff
+#define HCLGEVF_TQP_ENABLE_B 0
+
+struct hclgevf_cfg_com_tqp_queue_cmd {
+ __le16 tqp_id;
+ __le16 stream_id;
+ u8 enable;
+ u8 rsv[19];
+};
+
+struct hclgevf_cfg_tx_queue_pointer_cmd {
+ __le16 tqp_id;
+ __le16 tx_tail;
+ __le16 tx_head;
+ __le16 fbd_num;
+ __le16 ring_offset;
+ u8 rsv[14];
+};
+
+/* this bit indicates that the driver is ready for hardware reset */
+#define HCLGEVF_NIC_SW_RST_RDY_B 16
+#define HCLGEVF_NIC_SW_RST_RDY BIT(HCLGEVF_NIC_SW_RST_RDY_B)
+
+#define HCLGEVF_NIC_CMQ_DESC_NUM 1024
+#define HCLGEVF_NIC_CMQ_DESC_NUM_S 3
+
+#define HCLGEVF_QUERY_DEV_SPECS_BD_NUM 4
+
+#define hclgevf_cmd_setup_basic_desc(desc, opcode, is_read) \
+ hclge_comm_cmd_setup_basic_desc(desc, opcode, is_read)
+
+struct hclgevf_dev_specs_0_cmd {
+ __le32 rsv0;
+ __le32 mac_entry_num;
+ __le32 mng_entry_num;
+ __le16 rss_ind_tbl_size;
+ __le16 rss_key_size;
+ __le16 int_ql_max;
+ u8 max_non_tso_bd_num;
+ u8 rsv1[5];
+};
+
+#define HCLGEVF_DEF_MAX_INT_GL 0x1FE0U
+
+struct hclgevf_dev_specs_1_cmd {
+ __le16 max_frm_size;
+ __le16 rsv0;
+ __le16 max_int_gl;
+ u8 rsv1[18];
+};
+
+int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclge_desc *desc, int num);
+void hclgevf_arq_init(struct hclgevf_dev *hdev);
+#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
new file mode 100644
index 000000000..fdc19868b
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (c) 2021 Hisilicon Limited. */
+
+#include <net/devlink.h>
+
+#include "hclgevf_devlink.h"
+
+static int hclgevf_devlink_info_get(struct devlink *devlink,
+ struct devlink_info_req *req,
+ struct netlink_ext_ack *extack)
+{
+#define HCLGEVF_DEVLINK_FW_STRING_LEN 32
+ struct hclgevf_devlink_priv *priv = devlink_priv(devlink);
+ char version_str[HCLGEVF_DEVLINK_FW_STRING_LEN];
+ struct hclgevf_dev *hdev = priv->hdev;
+ int ret;
+
+ ret = devlink_info_driver_name_put(req, KBUILD_MODNAME);
+ if (ret)
+ return ret;
+
+ snprintf(version_str, sizeof(version_str), "%lu.%lu.%lu.%lu",
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
+ HNAE3_FW_VERSION_BYTE3_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
+ HNAE3_FW_VERSION_BYTE2_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
+ HNAE3_FW_VERSION_BYTE1_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
+ HNAE3_FW_VERSION_BYTE0_SHIFT));
+
+ return devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_FW,
+ version_str);
+}
+
+static int hclgevf_devlink_reload_down(struct devlink *devlink,
+ bool netns_change,
+ enum devlink_reload_action action,
+ enum devlink_reload_limit limit,
+ struct netlink_ext_ack *extack)
+{
+ struct hclgevf_devlink_priv *priv = devlink_priv(devlink);
+ struct hclgevf_dev *hdev = priv->hdev;
+ struct hnae3_handle *h = &hdev->nic;
+ struct pci_dev *pdev = hdev->pdev;
+ int ret;
+
+ if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) {
+ dev_err(&pdev->dev, "reset is handling\n");
+ return -EBUSY;
+ }
+
+ switch (action) {
+ case DEVLINK_RELOAD_ACTION_DRIVER_REINIT:
+ rtnl_lock();
+ ret = hdev->nic_client->ops->reset_notify(h, HNAE3_DOWN_CLIENT);
+ if (ret) {
+ rtnl_unlock();
+ return ret;
+ }
+
+ ret = hdev->nic_client->ops->reset_notify(h,
+ HNAE3_UNINIT_CLIENT);
+ rtnl_unlock();
+ return ret;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int hclgevf_devlink_reload_up(struct devlink *devlink,
+ enum devlink_reload_action action,
+ enum devlink_reload_limit limit,
+ u32 *actions_performed,
+ struct netlink_ext_ack *extack)
+{
+ struct hclgevf_devlink_priv *priv = devlink_priv(devlink);
+ struct hclgevf_dev *hdev = priv->hdev;
+ struct hnae3_handle *h = &hdev->nic;
+ int ret;
+
+ *actions_performed = BIT(action);
+ switch (action) {
+ case DEVLINK_RELOAD_ACTION_DRIVER_REINIT:
+ rtnl_lock();
+ ret = hdev->nic_client->ops->reset_notify(h, HNAE3_INIT_CLIENT);
+ if (ret) {
+ rtnl_unlock();
+ return ret;
+ }
+
+ ret = hdev->nic_client->ops->reset_notify(h, HNAE3_UP_CLIENT);
+ rtnl_unlock();
+ return ret;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const struct devlink_ops hclgevf_devlink_ops = {
+ .info_get = hclgevf_devlink_info_get,
+ .reload_actions = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT),
+ .reload_down = hclgevf_devlink_reload_down,
+ .reload_up = hclgevf_devlink_reload_up,
+};
+
+int hclgevf_devlink_init(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ struct hclgevf_devlink_priv *priv;
+ struct devlink *devlink;
+
+ devlink =
+ devlink_alloc(&hclgevf_devlink_ops,
+ sizeof(struct hclgevf_devlink_priv), &pdev->dev);
+ if (!devlink)
+ return -ENOMEM;
+
+ priv = devlink_priv(devlink);
+ priv->hdev = hdev;
+ hdev->devlink = devlink;
+
+ devlink_set_features(devlink, DEVLINK_F_RELOAD);
+ devlink_register(devlink);
+ return 0;
+}
+
+void hclgevf_devlink_uninit(struct hclgevf_dev *hdev)
+{
+ struct devlink *devlink = hdev->devlink;
+
+ devlink_unregister(devlink);
+
+ devlink_free(devlink);
+}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.h
new file mode 100644
index 000000000..e09ea3d8a
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2021 Hisilicon Limited. */
+
+#ifndef __HCLGEVF_DEVLINK_H
+#define __HCLGEVF_DEVLINK_H
+
+#include "hclgevf_main.h"
+
+struct hclgevf_devlink_priv {
+ struct hclgevf_dev *hdev;
+};
+
+int hclgevf_devlink_init(struct hclgevf_dev *hdev);
+void hclgevf_devlink_uninit(struct hclgevf_dev *hdev);
+#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
new file mode 100644
index 000000000..5a978ea10
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -0,0 +1,3482 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2016-2017 Hisilicon Limited.
+
+#include <linux/etherdevice.h>
+#include <linux/iopoll.h>
+#include <net/rtnetlink.h>
+#include "hclgevf_cmd.h"
+#include "hclgevf_main.h"
+#include "hclge_mbx.h"
+#include "hnae3.h"
+#include "hclgevf_devlink.h"
+#include "hclge_comm_rss.h"
+
+#define HCLGEVF_NAME "hclgevf"
+
+#define HCLGEVF_RESET_MAX_FAIL_CNT 5
+
+static int hclgevf_reset_hdev(struct hclgevf_dev *hdev);
+static void hclgevf_task_schedule(struct hclgevf_dev *hdev,
+ unsigned long delay);
+
+static struct hnae3_ae_algo ae_algovf;
+
+static struct workqueue_struct *hclgevf_wq;
+
+static const struct pci_device_id ae_algovf_pci_tbl[] = {
+ {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_VF), 0},
+ {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_RDMA_DCB_PFC_VF),
+ HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},
+ /* required last entry */
+ {0, }
+};
+
+MODULE_DEVICE_TABLE(pci, ae_algovf_pci_tbl);
+
+static const u32 cmdq_reg_addr_list[] = {HCLGE_COMM_NIC_CSQ_BASEADDR_L_REG,
+ HCLGE_COMM_NIC_CSQ_BASEADDR_H_REG,
+ HCLGE_COMM_NIC_CSQ_DEPTH_REG,
+ HCLGE_COMM_NIC_CSQ_TAIL_REG,
+ HCLGE_COMM_NIC_CSQ_HEAD_REG,
+ HCLGE_COMM_NIC_CRQ_BASEADDR_L_REG,
+ HCLGE_COMM_NIC_CRQ_BASEADDR_H_REG,
+ HCLGE_COMM_NIC_CRQ_DEPTH_REG,
+ HCLGE_COMM_NIC_CRQ_TAIL_REG,
+ HCLGE_COMM_NIC_CRQ_HEAD_REG,
+ HCLGE_COMM_VECTOR0_CMDQ_SRC_REG,
+ HCLGE_COMM_VECTOR0_CMDQ_STATE_REG,
+ HCLGE_COMM_CMDQ_INTR_EN_REG,
+ HCLGE_COMM_CMDQ_INTR_GEN_REG};
+
+static const u32 common_reg_addr_list[] = {HCLGEVF_MISC_VECTOR_REG_BASE,
+ HCLGEVF_RST_ING,
+ HCLGEVF_GRO_EN_REG};
+
+static const u32 ring_reg_addr_list[] = {HCLGEVF_RING_RX_ADDR_L_REG,
+ HCLGEVF_RING_RX_ADDR_H_REG,
+ HCLGEVF_RING_RX_BD_NUM_REG,
+ HCLGEVF_RING_RX_BD_LENGTH_REG,
+ HCLGEVF_RING_RX_MERGE_EN_REG,
+ HCLGEVF_RING_RX_TAIL_REG,
+ HCLGEVF_RING_RX_HEAD_REG,
+ HCLGEVF_RING_RX_FBD_NUM_REG,
+ HCLGEVF_RING_RX_OFFSET_REG,
+ HCLGEVF_RING_RX_FBD_OFFSET_REG,
+ HCLGEVF_RING_RX_STASH_REG,
+ HCLGEVF_RING_RX_BD_ERR_REG,
+ HCLGEVF_RING_TX_ADDR_L_REG,
+ HCLGEVF_RING_TX_ADDR_H_REG,
+ HCLGEVF_RING_TX_BD_NUM_REG,
+ HCLGEVF_RING_TX_PRIORITY_REG,
+ HCLGEVF_RING_TX_TC_REG,
+ HCLGEVF_RING_TX_MERGE_EN_REG,
+ HCLGEVF_RING_TX_TAIL_REG,
+ HCLGEVF_RING_TX_HEAD_REG,
+ HCLGEVF_RING_TX_FBD_NUM_REG,
+ HCLGEVF_RING_TX_OFFSET_REG,
+ HCLGEVF_RING_TX_EBD_NUM_REG,
+ HCLGEVF_RING_TX_EBD_OFFSET_REG,
+ HCLGEVF_RING_TX_BD_ERR_REG,
+ HCLGEVF_RING_EN_REG};
+
+static const u32 tqp_intr_reg_addr_list[] = {HCLGEVF_TQP_INTR_CTRL_REG,
+ HCLGEVF_TQP_INTR_GL0_REG,
+ HCLGEVF_TQP_INTR_GL1_REG,
+ HCLGEVF_TQP_INTR_GL2_REG,
+ HCLGEVF_TQP_INTR_RL_REG};
+
+/* hclgevf_cmd_send - send command to command queue
+ * @hw: pointer to the hw struct
+ * @desc: prefilled descriptor for describing the command
+ * @num : the number of descriptors to be sent
+ *
+ * This is the main send command for command queue, it
+ * sends the queue, cleans the queue, etc
+ */
+int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclge_desc *desc, int num)
+{
+ return hclge_comm_cmd_send(&hw->hw, desc, num);
+}
+
+void hclgevf_arq_init(struct hclgevf_dev *hdev)
+{
+ struct hclge_comm_cmq *cmdq = &hdev->hw.hw.cmq;
+
+ spin_lock(&cmdq->crq.lock);
+ /* initialize the pointers of async rx queue of mailbox */
+ hdev->arq.hdev = hdev;
+ hdev->arq.head = 0;
+ hdev->arq.tail = 0;
+ atomic_set(&hdev->arq.count, 0);
+ spin_unlock(&cmdq->crq.lock);
+}
+
+static struct hclgevf_dev *hclgevf_ae_get_hdev(struct hnae3_handle *handle)
+{
+ if (!handle->client)
+ return container_of(handle, struct hclgevf_dev, nic);
+ else if (handle->client->type == HNAE3_CLIENT_ROCE)
+ return container_of(handle, struct hclgevf_dev, roce);
+ else
+ return container_of(handle, struct hclgevf_dev, nic);
+}
+
+static void hclgevf_update_stats(struct hnae3_handle *handle,
+ struct net_device_stats *net_stats)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int status;
+
+ status = hclge_comm_tqps_update_stats(handle, &hdev->hw.hw);
+ if (status)
+ dev_err(&hdev->pdev->dev,
+ "VF update of TQPS stats fail, status = %d.\n",
+ status);
+}
+
+static int hclgevf_get_sset_count(struct hnae3_handle *handle, int strset)
+{
+ if (strset == ETH_SS_TEST)
+ return -EOPNOTSUPP;
+ else if (strset == ETH_SS_STATS)
+ return hclge_comm_tqps_get_sset_count(handle);
+
+ return 0;
+}
+
+static void hclgevf_get_strings(struct hnae3_handle *handle, u32 strset,
+ u8 *data)
+{
+ u8 *p = (char *)data;
+
+ if (strset == ETH_SS_STATS)
+ p = hclge_comm_tqps_get_strings(handle, p);
+}
+
+static void hclgevf_get_stats(struct hnae3_handle *handle, u64 *data)
+{
+ hclge_comm_tqps_get_stats(handle, data);
+}
+
+static void hclgevf_build_send_msg(struct hclge_vf_to_pf_msg *msg, u8 code,
+ u8 subcode)
+{
+ if (msg) {
+ memset(msg, 0, sizeof(struct hclge_vf_to_pf_msg));
+ msg->code = code;
+ msg->subcode = subcode;
+ }
+}
+
+static int hclgevf_get_basic_info(struct hclgevf_dev *hdev)
+{
+ struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
+ u8 resp_msg[HCLGE_MBX_MAX_RESP_DATA_SIZE];
+ struct hclge_basic_info *basic_info;
+ struct hclge_vf_to_pf_msg send_msg;
+ unsigned long caps;
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_BASIC_INFO, 0);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg,
+ sizeof(resp_msg));
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "failed to get basic info from pf, ret = %d", status);
+ return status;
+ }
+
+ basic_info = (struct hclge_basic_info *)resp_msg;
+
+ hdev->hw_tc_map = basic_info->hw_tc_map;
+ hdev->mbx_api_version = le16_to_cpu(basic_info->mbx_api_version);
+ caps = le32_to_cpu(basic_info->pf_caps);
+ if (test_bit(HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B, &caps))
+ set_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps);
+
+ return 0;
+}
+
+static int hclgevf_get_port_base_vlan_filter_state(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 resp_msg;
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_GET_PORT_BASE_VLAN_STATE);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, &resp_msg,
+ sizeof(u8));
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "VF request to get port based vlan state failed %d",
+ ret);
+ return ret;
+ }
+
+ nic->port_base_vlan_state = resp_msg;
+
+ return 0;
+}
+
+static int hclgevf_get_queue_info(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_TQPS_RSS_INFO_LEN 6
+
+ struct hclge_mbx_vf_queue_info *queue_info;
+ u8 resp_msg[HCLGEVF_TQPS_RSS_INFO_LEN];
+ struct hclge_vf_to_pf_msg send_msg;
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QINFO, 0);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg,
+ HCLGEVF_TQPS_RSS_INFO_LEN);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "VF request to get tqp info from PF failed %d",
+ status);
+ return status;
+ }
+
+ queue_info = (struct hclge_mbx_vf_queue_info *)resp_msg;
+ hdev->num_tqps = le16_to_cpu(queue_info->num_tqps);
+ hdev->rss_size_max = le16_to_cpu(queue_info->rss_size);
+ hdev->rx_buf_len = le16_to_cpu(queue_info->rx_buf_len);
+
+ return 0;
+}
+
+static int hclgevf_get_queue_depth(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_TQPS_DEPTH_INFO_LEN 4
+
+ struct hclge_mbx_vf_queue_depth *queue_depth;
+ u8 resp_msg[HCLGEVF_TQPS_DEPTH_INFO_LEN];
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QDEPTH, 0);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg,
+ HCLGEVF_TQPS_DEPTH_INFO_LEN);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "VF request to get tqp depth info from PF failed %d",
+ ret);
+ return ret;
+ }
+
+ queue_depth = (struct hclge_mbx_vf_queue_depth *)resp_msg;
+ hdev->num_tx_desc = le16_to_cpu(queue_depth->num_tx_desc);
+ hdev->num_rx_desc = le16_to_cpu(queue_depth->num_rx_desc);
+
+ return 0;
+}
+
+static u16 hclgevf_get_qid_global(struct hnae3_handle *handle, u16 queue_id)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+ u16 qid_in_pf = 0;
+ u8 resp_data[2];
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QID_IN_PF, 0);
+ *(__le16 *)send_msg.data = cpu_to_le16(queue_id);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_data,
+ sizeof(resp_data));
+ if (!ret)
+ qid_in_pf = le16_to_cpu(*(__le16 *)resp_data);
+
+ return qid_in_pf;
+}
+
+static int hclgevf_get_pf_media_type(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 resp_msg[2];
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_MEDIA_TYPE, 0);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg,
+ sizeof(resp_msg));
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "VF request to get the pf port media type failed %d",
+ ret);
+ return ret;
+ }
+
+ hdev->hw.mac.media_type = resp_msg[0];
+ hdev->hw.mac.module_type = resp_msg[1];
+
+ return 0;
+}
+
+static int hclgevf_alloc_tqps(struct hclgevf_dev *hdev)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+ struct hclge_comm_tqp *tqp;
+ int i;
+
+ hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps,
+ sizeof(struct hclge_comm_tqp), GFP_KERNEL);
+ if (!hdev->htqp)
+ return -ENOMEM;
+
+ tqp = hdev->htqp;
+
+ for (i = 0; i < hdev->num_tqps; i++) {
+ tqp->dev = &hdev->pdev->dev;
+ tqp->index = i;
+
+ tqp->q.ae_algo = &ae_algovf;
+ tqp->q.buf_size = hdev->rx_buf_len;
+ tqp->q.tx_desc_num = hdev->num_tx_desc;
+ tqp->q.rx_desc_num = hdev->num_rx_desc;
+
+ /* need an extended offset to configure queues >=
+ * HCLGEVF_TQP_MAX_SIZE_DEV_V2.
+ */
+ if (i < HCLGEVF_TQP_MAX_SIZE_DEV_V2)
+ tqp->q.io_base = hdev->hw.hw.io_base +
+ HCLGEVF_TQP_REG_OFFSET +
+ i * HCLGEVF_TQP_REG_SIZE;
+ else
+ tqp->q.io_base = hdev->hw.hw.io_base +
+ HCLGEVF_TQP_REG_OFFSET +
+ HCLGEVF_TQP_EXT_REG_OFFSET +
+ (i - HCLGEVF_TQP_MAX_SIZE_DEV_V2) *
+ HCLGEVF_TQP_REG_SIZE;
+
+ /* when device supports tx push and has device memory,
+ * the queue can execute push mode or doorbell mode on
+ * device memory.
+ */
+ if (test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps))
+ tqp->q.mem_base = hdev->hw.hw.mem_base +
+ HCLGEVF_TQP_MEM_OFFSET(hdev, i);
+
+ tqp++;
+ }
+
+ return 0;
+}
+
+static int hclgevf_knic_setup(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ struct hnae3_knic_private_info *kinfo;
+ u16 new_tqps = hdev->num_tqps;
+ unsigned int i;
+ u8 num_tc = 0;
+
+ kinfo = &nic->kinfo;
+ kinfo->num_tx_desc = hdev->num_tx_desc;
+ kinfo->num_rx_desc = hdev->num_rx_desc;
+ kinfo->rx_buf_len = hdev->rx_buf_len;
+ for (i = 0; i < HCLGE_COMM_MAX_TC_NUM; i++)
+ if (hdev->hw_tc_map & BIT(i))
+ num_tc++;
+
+ num_tc = num_tc ? num_tc : 1;
+ kinfo->tc_info.num_tc = num_tc;
+ kinfo->rss_size = min_t(u16, hdev->rss_size_max, new_tqps / num_tc);
+ new_tqps = kinfo->rss_size * num_tc;
+ kinfo->num_tqps = min(new_tqps, hdev->num_tqps);
+
+ kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps,
+ sizeof(struct hnae3_queue *), GFP_KERNEL);
+ if (!kinfo->tqp)
+ return -ENOMEM;
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ hdev->htqp[i].q.handle = &hdev->nic;
+ hdev->htqp[i].q.tqp_index = i;
+ kinfo->tqp[i] = &hdev->htqp[i].q;
+ }
+
+ /* after init the max rss_size and tqps, adjust the default tqp numbers
+ * and rss size with the actual vector numbers
+ */
+ kinfo->num_tqps = min_t(u16, hdev->num_nic_msix - 1, kinfo->num_tqps);
+ kinfo->rss_size = min_t(u16, kinfo->num_tqps / num_tc,
+ kinfo->rss_size);
+
+ return 0;
+}
+
+static void hclgevf_request_link_info(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_LINK_STATUS, 0);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ if (status)
+ dev_err(&hdev->pdev->dev,
+ "VF failed to fetch link status(%d) from PF", status);
+}
+
+void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state)
+{
+ struct hnae3_handle *rhandle = &hdev->roce;
+ struct hnae3_handle *handle = &hdev->nic;
+ struct hnae3_client *rclient;
+ struct hnae3_client *client;
+
+ if (test_and_set_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state))
+ return;
+
+ client = handle->client;
+ rclient = hdev->roce_client;
+
+ link_state =
+ test_bit(HCLGEVF_STATE_DOWN, &hdev->state) ? 0 : link_state;
+ if (link_state != hdev->hw.mac.link) {
+ hdev->hw.mac.link = link_state;
+ client->ops->link_status_change(handle, !!link_state);
+ if (rclient && rclient->ops->link_status_change)
+ rclient->ops->link_status_change(rhandle, !!link_state);
+ }
+
+ clear_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state);
+}
+
+static void hclgevf_update_link_mode(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_ADVERTISING 0
+#define HCLGEVF_SUPPORTED 1
+
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_LINK_MODE, 0);
+ send_msg.data[0] = HCLGEVF_ADVERTISING;
+ hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ send_msg.data[0] = HCLGEVF_SUPPORTED;
+ hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
+static int hclgevf_set_handle_info(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ int ret;
+
+ nic->ae_algo = &ae_algovf;
+ nic->pdev = hdev->pdev;
+ nic->numa_node_mask = hdev->numa_node_mask;
+ nic->flags |= HNAE3_SUPPORT_VF;
+ nic->kinfo.io_base = hdev->hw.hw.io_base;
+
+ ret = hclgevf_knic_setup(hdev);
+ if (ret)
+ dev_err(&hdev->pdev->dev, "VF knic setup failed %d\n",
+ ret);
+ return ret;
+}
+
+static void hclgevf_free_vector(struct hclgevf_dev *hdev, int vector_id)
+{
+ if (hdev->vector_status[vector_id] == HCLGEVF_INVALID_VPORT) {
+ dev_warn(&hdev->pdev->dev,
+ "vector(vector_id %d) has been freed.\n", vector_id);
+ return;
+ }
+
+ hdev->vector_status[vector_id] = HCLGEVF_INVALID_VPORT;
+ hdev->num_msi_left += 1;
+ hdev->num_msi_used -= 1;
+}
+
+static int hclgevf_get_vector(struct hnae3_handle *handle, u16 vector_num,
+ struct hnae3_vector_info *vector_info)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hnae3_vector_info *vector = vector_info;
+ int alloc = 0;
+ int i, j;
+
+ vector_num = min_t(u16, hdev->num_nic_msix - 1, vector_num);
+ vector_num = min(hdev->num_msi_left, vector_num);
+
+ for (j = 0; j < vector_num; j++) {
+ for (i = HCLGEVF_MISC_VECTOR_NUM + 1; i < hdev->num_msi; i++) {
+ if (hdev->vector_status[i] == HCLGEVF_INVALID_VPORT) {
+ vector->vector = pci_irq_vector(hdev->pdev, i);
+ vector->io_addr = hdev->hw.hw.io_base +
+ HCLGEVF_VECTOR_REG_BASE +
+ (i - 1) * HCLGEVF_VECTOR_REG_OFFSET;
+ hdev->vector_status[i] = 0;
+ hdev->vector_irq[i] = vector->vector;
+
+ vector++;
+ alloc++;
+
+ break;
+ }
+ }
+ }
+ hdev->num_msi_left -= alloc;
+ hdev->num_msi_used += alloc;
+
+ return alloc;
+}
+
+static int hclgevf_get_vector_index(struct hclgevf_dev *hdev, int vector)
+{
+ int i;
+
+ for (i = 0; i < hdev->num_msi; i++)
+ if (vector == hdev->vector_irq[i])
+ return i;
+
+ return -EINVAL;
+}
+
+/* for revision 0x20, vf shared the same rss config with pf */
+static int hclgevf_get_rss_hash_key(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_RSS_MBX_RESP_LEN 8
+ struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ u8 resp_msg[HCLGEVF_RSS_MBX_RESP_LEN];
+ struct hclge_vf_to_pf_msg send_msg;
+ u16 msg_num, hash_key_index;
+ u8 index;
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_RSS_KEY, 0);
+ msg_num = (HCLGE_COMM_RSS_KEY_SIZE + HCLGEVF_RSS_MBX_RESP_LEN - 1) /
+ HCLGEVF_RSS_MBX_RESP_LEN;
+ for (index = 0; index < msg_num; index++) {
+ send_msg.data[0] = index;
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg,
+ HCLGEVF_RSS_MBX_RESP_LEN);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "VF get rss hash key from PF failed, ret=%d",
+ ret);
+ return ret;
+ }
+
+ hash_key_index = HCLGEVF_RSS_MBX_RESP_LEN * index;
+ if (index == msg_num - 1)
+ memcpy(&rss_cfg->rss_hash_key[hash_key_index],
+ &resp_msg[0],
+ HCLGE_COMM_RSS_KEY_SIZE - hash_key_index);
+ else
+ memcpy(&rss_cfg->rss_hash_key[hash_key_index],
+ &resp_msg[0], HCLGEVF_RSS_MBX_RESP_LEN);
+ }
+
+ return 0;
+}
+
+static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ int ret;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ hclge_comm_get_rss_hash_info(rss_cfg, key, hfunc);
+ } else {
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+ if (key) {
+ ret = hclgevf_get_rss_hash_key(hdev);
+ if (ret)
+ return ret;
+ memcpy(key, rss_cfg->rss_hash_key,
+ HCLGE_COMM_RSS_KEY_SIZE);
+ }
+ }
+
+ hclge_comm_get_rss_indir_tbl(rss_cfg, indir,
+ hdev->ae_dev->dev_specs.rss_ind_tbl_size);
+
+ return 0;
+}
+
+static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ int ret, i;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ ret = hclge_comm_set_rss_hash_key(rss_cfg, &hdev->hw.hw, key,
+ hfunc);
+ if (ret)
+ return ret;
+ }
+
+ /* update the shadow RSS table with user specified qids */
+ for (i = 0; i < hdev->ae_dev->dev_specs.rss_ind_tbl_size; i++)
+ rss_cfg->rss_indirection_tbl[i] = indir[i];
+
+ /* update the hardware */
+ return hclge_comm_set_rss_indir_table(hdev->ae_dev, &hdev->hw.hw,
+ rss_cfg->rss_indirection_tbl);
+}
+
+static int hclgevf_set_rss_tuple(struct hnae3_handle *handle,
+ struct ethtool_rxnfc *nfc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ ret = hclge_comm_set_rss_tuple(hdev->ae_dev, &hdev->hw.hw,
+ &hdev->rss_cfg, nfc);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "failed to set rss tuple, ret = %d.\n", ret);
+
+ return ret;
+}
+
+static int hclgevf_get_rss_tuple(struct hnae3_handle *handle,
+ struct ethtool_rxnfc *nfc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u8 tuple_sets;
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ nfc->data = 0;
+
+ ret = hclge_comm_get_rss_tuple(&hdev->rss_cfg, nfc->flow_type,
+ &tuple_sets);
+ if (ret || !tuple_sets)
+ return ret;
+
+ nfc->data = hclge_comm_convert_rss_tuple(tuple_sets);
+
+ return 0;
+}
+
+static int hclgevf_get_tc_size(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
+
+ return rss_cfg->rss_size;
+}
+
+static int hclgevf_bind_ring_to_vector(struct hnae3_handle *handle, bool en,
+ int vector_id,
+ struct hnae3_ring_chain_node *ring_chain)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+ struct hnae3_ring_chain_node *node;
+ int status;
+ int i = 0;
+
+ memset(&send_msg, 0, sizeof(send_msg));
+ send_msg.code = en ? HCLGE_MBX_MAP_RING_TO_VECTOR :
+ HCLGE_MBX_UNMAP_RING_TO_VECTOR;
+ send_msg.vector_id = vector_id;
+
+ for (node = ring_chain; node; node = node->next) {
+ send_msg.param[i].ring_type =
+ hnae3_get_bit(node->flag, HNAE3_RING_TYPE_B);
+
+ send_msg.param[i].tqp_index = node->tqp_index;
+ send_msg.param[i].int_gl_index =
+ hnae3_get_field(node->int_gl_idx,
+ HNAE3_RING_GL_IDX_M,
+ HNAE3_RING_GL_IDX_S);
+
+ i++;
+ if (i == HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM || !node->next) {
+ send_msg.ring_num = i;
+
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, false,
+ NULL, 0);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "Map TQP fail, status is %d.\n",
+ status);
+ return status;
+ }
+ i = 0;
+ }
+ }
+
+ return 0;
+}
+
+static int hclgevf_map_ring_to_vector(struct hnae3_handle *handle, int vector,
+ struct hnae3_ring_chain_node *ring_chain)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int vector_id;
+
+ vector_id = hclgevf_get_vector_index(hdev, vector);
+ if (vector_id < 0) {
+ dev_err(&handle->pdev->dev,
+ "Get vector index fail. ret =%d\n", vector_id);
+ return vector_id;
+ }
+
+ return hclgevf_bind_ring_to_vector(handle, true, vector_id, ring_chain);
+}
+
+static int hclgevf_unmap_ring_from_vector(
+ struct hnae3_handle *handle,
+ int vector,
+ struct hnae3_ring_chain_node *ring_chain)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int ret, vector_id;
+
+ if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state))
+ return 0;
+
+ vector_id = hclgevf_get_vector_index(hdev, vector);
+ if (vector_id < 0) {
+ dev_err(&handle->pdev->dev,
+ "Get vector index fail. ret =%d\n", vector_id);
+ return vector_id;
+ }
+
+ ret = hclgevf_bind_ring_to_vector(handle, false, vector_id, ring_chain);
+ if (ret)
+ dev_err(&handle->pdev->dev,
+ "Unmap ring from vector fail. vector=%d, ret =%d\n",
+ vector_id,
+ ret);
+
+ return ret;
+}
+
+static int hclgevf_put_vector(struct hnae3_handle *handle, int vector)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int vector_id;
+
+ vector_id = hclgevf_get_vector_index(hdev, vector);
+ if (vector_id < 0) {
+ dev_err(&handle->pdev->dev,
+ "hclgevf_put_vector get vector index fail. ret =%d\n",
+ vector_id);
+ return vector_id;
+ }
+
+ hclgevf_free_vector(hdev, vector_id);
+
+ return 0;
+}
+
+static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev,
+ bool en_uc_pmc, bool en_mc_pmc,
+ bool en_bc_pmc)
+{
+ struct hnae3_handle *handle = &hdev->nic;
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ memset(&send_msg, 0, sizeof(send_msg));
+ send_msg.code = HCLGE_MBX_SET_PROMISC_MODE;
+ send_msg.en_bc = en_bc_pmc ? 1 : 0;
+ send_msg.en_uc = en_uc_pmc ? 1 : 0;
+ send_msg.en_mc = en_mc_pmc ? 1 : 0;
+ send_msg.en_limit_promisc = test_bit(HNAE3_PFLAG_LIMIT_PROMISC,
+ &handle->priv_flags) ? 1 : 0;
+
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "Set promisc mode fail, status is %d.\n", ret);
+
+ return ret;
+}
+
+static int hclgevf_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc,
+ bool en_mc_pmc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ bool en_bc_pmc;
+
+ en_bc_pmc = hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2;
+
+ return hclgevf_cmd_set_promisc_mode(hdev, en_uc_pmc, en_mc_pmc,
+ en_bc_pmc);
+}
+
+static void hclgevf_request_update_promisc_mode(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+ hclgevf_task_schedule(hdev, 0);
+}
+
+static void hclgevf_sync_promisc_mode(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *handle = &hdev->nic;
+ bool en_uc_pmc = handle->netdev_flags & HNAE3_UPE;
+ bool en_mc_pmc = handle->netdev_flags & HNAE3_MPE;
+ int ret;
+
+ if (test_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state)) {
+ ret = hclgevf_set_promisc_mode(handle, en_uc_pmc, en_mc_pmc);
+ if (!ret)
+ clear_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+ }
+}
+
+static int hclgevf_tqp_enable_cmd_send(struct hclgevf_dev *hdev, u16 tqp_id,
+ u16 stream_id, bool enable)
+{
+ struct hclgevf_cfg_com_tqp_queue_cmd *req;
+ struct hclge_desc desc;
+
+ req = (struct hclgevf_cfg_com_tqp_queue_cmd *)desc.data;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_COM_TQP_QUEUE, false);
+ req->tqp_id = cpu_to_le16(tqp_id & HCLGEVF_RING_ID_MASK);
+ req->stream_id = cpu_to_le16(stream_id);
+ if (enable)
+ req->enable |= 1U << HCLGEVF_TQP_ENABLE_B;
+
+ return hclgevf_cmd_send(&hdev->hw, &desc, 1);
+}
+
+static int hclgevf_tqp_enable(struct hnae3_handle *handle, bool enable)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int ret;
+ u16 i;
+
+ for (i = 0; i < handle->kinfo.num_tqps; i++) {
+ ret = hclgevf_tqp_enable_cmd_send(hdev, i, 0, enable);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hclgevf_get_host_mac_addr(struct hclgevf_dev *hdev, u8 *p)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 host_mac[ETH_ALEN];
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_MAC_ADDR, 0);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, true, host_mac,
+ ETH_ALEN);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "fail to get VF MAC from host %d", status);
+ return status;
+ }
+
+ ether_addr_copy(p, host_mac);
+
+ return 0;
+}
+
+static void hclgevf_get_mac_addr(struct hnae3_handle *handle, u8 *p)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u8 host_mac_addr[ETH_ALEN];
+
+ if (hclgevf_get_host_mac_addr(hdev, host_mac_addr))
+ return;
+
+ hdev->has_pf_mac = !is_zero_ether_addr(host_mac_addr);
+ if (hdev->has_pf_mac)
+ ether_addr_copy(p, host_mac_addr);
+ else
+ ether_addr_copy(p, hdev->hw.mac.mac_addr);
+}
+
+static int hclgevf_set_mac_addr(struct hnae3_handle *handle, const void *p,
+ bool is_first)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u8 *old_mac_addr = (u8 *)hdev->hw.mac.mac_addr;
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 *new_mac_addr = (u8 *)p;
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_UNICAST, 0);
+ send_msg.subcode = HCLGE_MBX_MAC_VLAN_UC_MODIFY;
+ ether_addr_copy(send_msg.data, new_mac_addr);
+ if (is_first && !hdev->has_pf_mac)
+ eth_zero_addr(&send_msg.data[ETH_ALEN]);
+ else
+ ether_addr_copy(&send_msg.data[ETH_ALEN], old_mac_addr);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+ if (!status)
+ ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr);
+
+ return status;
+}
+
+static struct hclgevf_mac_addr_node *
+hclgevf_find_mac_node(struct list_head *list, const u8 *mac_addr)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node)
+ if (ether_addr_equal(mac_addr, mac_node->mac_addr))
+ return mac_node;
+
+ return NULL;
+}
+
+static void hclgevf_update_mac_node(struct hclgevf_mac_addr_node *mac_node,
+ enum HCLGEVF_MAC_NODE_STATE state)
+{
+ switch (state) {
+ /* from set_rx_mode or tmp_add_list */
+ case HCLGEVF_MAC_TO_ADD:
+ if (mac_node->state == HCLGEVF_MAC_TO_DEL)
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ break;
+ /* only from set_rx_mode */
+ case HCLGEVF_MAC_TO_DEL:
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ mac_node->state = HCLGEVF_MAC_TO_DEL;
+ }
+ break;
+ /* only from tmp_add_list, the mac_node->state won't be
+ * HCLGEVF_MAC_ACTIVE
+ */
+ case HCLGEVF_MAC_ACTIVE:
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ break;
+ }
+}
+
+static int hclgevf_update_mac_list(struct hnae3_handle *handle,
+ enum HCLGEVF_MAC_NODE_STATE state,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type,
+ const unsigned char *addr)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclgevf_mac_addr_node *mac_node;
+ struct list_head *list;
+
+ list = (mac_type == HCLGEVF_MAC_ADDR_UC) ?
+ &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list;
+
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ /* if the mac addr is already in the mac list, no need to add a new
+ * one into it, just check the mac addr state, convert it to a new
+ * state, or just remove it, or do nothing.
+ */
+ mac_node = hclgevf_find_mac_node(list, addr);
+ if (mac_node) {
+ hclgevf_update_mac_node(mac_node, state);
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return 0;
+ }
+ /* if this address is never added, unnecessary to delete */
+ if (state == HCLGEVF_MAC_TO_DEL) {
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return -ENOENT;
+ }
+
+ mac_node = kzalloc(sizeof(*mac_node), GFP_ATOMIC);
+ if (!mac_node) {
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return -ENOMEM;
+ }
+
+ mac_node->state = state;
+ ether_addr_copy(mac_node->mac_addr, addr);
+ list_add_tail(&mac_node->node, list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return 0;
+}
+
+static int hclgevf_add_uc_addr(struct hnae3_handle *handle,
+ const unsigned char *addr)
+{
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_ADDR_UC, addr);
+}
+
+static int hclgevf_rm_uc_addr(struct hnae3_handle *handle,
+ const unsigned char *addr)
+{
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ADDR_UC, addr);
+}
+
+static int hclgevf_add_mc_addr(struct hnae3_handle *handle,
+ const unsigned char *addr)
+{
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_ADDR_MC, addr);
+}
+
+static int hclgevf_rm_mc_addr(struct hnae3_handle *handle,
+ const unsigned char *addr)
+{
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ADDR_MC, addr);
+}
+
+static int hclgevf_add_del_mac_addr(struct hclgevf_dev *hdev,
+ struct hclgevf_mac_addr_node *mac_node,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 code, subcode;
+
+ if (mac_type == HCLGEVF_MAC_ADDR_UC) {
+ code = HCLGE_MBX_SET_UNICAST;
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ subcode = HCLGE_MBX_MAC_VLAN_UC_ADD;
+ else
+ subcode = HCLGE_MBX_MAC_VLAN_UC_REMOVE;
+ } else {
+ code = HCLGE_MBX_SET_MULTICAST;
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ subcode = HCLGE_MBX_MAC_VLAN_MC_ADD;
+ else
+ subcode = HCLGE_MBX_MAC_VLAN_MC_REMOVE;
+ }
+
+ hclgevf_build_send_msg(&send_msg, code, subcode);
+ ether_addr_copy(send_msg.data, mac_node->mac_addr);
+ return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
+static void hclgevf_config_mac_list(struct hclgevf_dev *hdev,
+ struct list_head *list,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
+ char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+ int ret;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ ret = hclgevf_add_del_mac_addr(hdev, mac_node, mac_type);
+ if (ret) {
+ hnae3_format_mac_addr(format_mac_addr,
+ mac_node->mac_addr);
+ dev_err(&hdev->pdev->dev,
+ "failed to configure mac %s, state = %d, ret = %d\n",
+ format_mac_addr, mac_node->state, ret);
+ return;
+ }
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD) {
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ } else {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+ }
+}
+
+static void hclgevf_sync_from_add_list(struct list_head *add_list,
+ struct list_head *mac_list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+
+ list_for_each_entry_safe(mac_node, tmp, add_list, node) {
+ /* if the mac address from tmp_add_list is not in the
+ * uc/mc_mac_list, it means have received a TO_DEL request
+ * during the time window of sending mac config request to PF
+ * If mac_node state is ACTIVE, then change its state to TO_DEL,
+ * then it will be removed at next time. If is TO_ADD, it means
+ * send TO_ADD request failed, so just remove the mac node.
+ */
+ new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ hclgevf_update_mac_node(new_node, mac_node->state);
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else if (mac_node->state == HCLGEVF_MAC_ACTIVE) {
+ mac_node->state = HCLGEVF_MAC_TO_DEL;
+ list_move_tail(&mac_node->node, mac_list);
+ } else {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+ }
+}
+
+static void hclgevf_sync_from_del_list(struct list_head *del_list,
+ struct list_head *mac_list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+
+ list_for_each_entry_safe(mac_node, tmp, del_list, node) {
+ new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ /* If the mac addr is exist in the mac list, it means
+ * received a new request TO_ADD during the time window
+ * of sending mac addr configurrequest to PF, so just
+ * change the mac state to ACTIVE.
+ */
+ new_node->state = HCLGEVF_MAC_ACTIVE;
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ list_move_tail(&mac_node->node, mac_list);
+ }
+ }
+}
+
+static void hclgevf_clear_list(struct list_head *list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+}
+
+static void hclgevf_sync_mac_list(struct hclgevf_dev *hdev,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+ struct list_head tmp_add_list, tmp_del_list;
+ struct list_head *list;
+
+ INIT_LIST_HEAD(&tmp_add_list);
+ INIT_LIST_HEAD(&tmp_del_list);
+
+ /* move the mac addr to the tmp_add_list and tmp_del_list, then
+ * we can add/delete these mac addr outside the spin lock
+ */
+ list = (mac_type == HCLGEVF_MAC_ADDR_UC) ?
+ &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list;
+
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ switch (mac_node->state) {
+ case HCLGEVF_MAC_TO_DEL:
+ list_move_tail(&mac_node->node, &tmp_del_list);
+ break;
+ case HCLGEVF_MAC_TO_ADD:
+ new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
+ if (!new_node)
+ goto stop_traverse;
+
+ ether_addr_copy(new_node->mac_addr, mac_node->mac_addr);
+ new_node->state = mac_node->state;
+ list_add_tail(&new_node->node, &tmp_add_list);
+ break;
+ default:
+ break;
+ }
+ }
+
+stop_traverse:
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+
+ /* delete first, in order to get max mac table space for adding */
+ hclgevf_config_mac_list(hdev, &tmp_del_list, mac_type);
+ hclgevf_config_mac_list(hdev, &tmp_add_list, mac_type);
+
+ /* if some mac addresses were added/deleted fail, move back to the
+ * mac_list, and retry at next time.
+ */
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ hclgevf_sync_from_del_list(&tmp_del_list, list);
+ hclgevf_sync_from_add_list(&tmp_add_list, list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+}
+
+static void hclgevf_sync_mac_table(struct hclgevf_dev *hdev)
+{
+ hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_UC);
+ hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_MC);
+}
+
+static void hclgevf_uninit_mac_list(struct hclgevf_dev *hdev)
+{
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ hclgevf_clear_list(&hdev->mac_table.uc_mac_list);
+ hclgevf_clear_list(&hdev->mac_table.mc_mac_list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+}
+
+static int hclgevf_enable_vlan_filter(struct hnae3_handle *handle, bool enable)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
+ struct hclge_vf_to_pf_msg send_msg;
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))
+ return -EOPNOTSUPP;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_ENABLE_VLAN_FILTER);
+ send_msg.data[0] = enable ? 1 : 0;
+
+ return hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+}
+
+static int hclgevf_set_vlan_filter(struct hnae3_handle *handle,
+ __be16 proto, u16 vlan_id,
+ bool is_kill)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_mbx_vlan_filter *vlan_filter;
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ if (vlan_id > HCLGEVF_MAX_VLAN_ID)
+ return -EINVAL;
+
+ if (proto != htons(ETH_P_8021Q))
+ return -EPROTONOSUPPORT;
+
+ /* When device is resetting or reset failed, firmware is unable to
+ * handle mailbox. Just record the vlan id, and remove it after
+ * reset finished.
+ */
+ if ((test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) ||
+ test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) && is_kill) {
+ set_bit(vlan_id, hdev->vlan_del_fail_bmap);
+ return -EBUSY;
+ } else if (!is_kill && test_bit(vlan_id, hdev->vlan_del_fail_bmap)) {
+ clear_bit(vlan_id, hdev->vlan_del_fail_bmap);
+ }
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_VLAN_FILTER);
+ vlan_filter = (struct hclge_mbx_vlan_filter *)send_msg.data;
+ vlan_filter->is_kill = is_kill;
+ vlan_filter->vlan_id = cpu_to_le16(vlan_id);
+ vlan_filter->proto = cpu_to_le16(be16_to_cpu(proto));
+
+ /* when remove hw vlan filter failed, record the vlan id,
+ * and try to remove it from hw later, to be consistence
+ * with stack.
+ */
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+ if (is_kill && ret)
+ set_bit(vlan_id, hdev->vlan_del_fail_bmap);
+
+ return ret;
+}
+
+static void hclgevf_sync_vlan_filter(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_MAX_SYNC_COUNT 60
+ struct hnae3_handle *handle = &hdev->nic;
+ int ret, sync_cnt = 0;
+ u16 vlan_id;
+
+ if (bitmap_empty(hdev->vlan_del_fail_bmap, VLAN_N_VID))
+ return;
+
+ rtnl_lock();
+ vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID);
+ while (vlan_id != VLAN_N_VID) {
+ ret = hclgevf_set_vlan_filter(handle, htons(ETH_P_8021Q),
+ vlan_id, true);
+ if (ret)
+ break;
+
+ clear_bit(vlan_id, hdev->vlan_del_fail_bmap);
+ sync_cnt++;
+ if (sync_cnt >= HCLGEVF_MAX_SYNC_COUNT)
+ break;
+
+ vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID);
+ }
+ rtnl_unlock();
+}
+
+static int hclgevf_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_VLAN_RX_OFF_CFG);
+ send_msg.data[0] = enable ? 1 : 0;
+ return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
+static int hclgevf_reset_tqp(struct hnae3_handle *handle)
+{
+#define HCLGEVF_RESET_ALL_QUEUE_DONE 1U
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 return_status = 0;
+ int ret;
+ u16 i;
+
+ /* disable vf queue before send queue reset msg to PF */
+ ret = hclgevf_tqp_enable(handle, false);
+ if (ret) {
+ dev_err(&hdev->pdev->dev, "failed to disable tqp, ret = %d\n",
+ ret);
+ return ret;
+ }
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_QUEUE_RESET, 0);
+
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, &return_status,
+ sizeof(return_status));
+ if (ret || return_status == HCLGEVF_RESET_ALL_QUEUE_DONE)
+ return ret;
+
+ for (i = 1; i < handle->kinfo.num_tqps; i++) {
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_QUEUE_RESET, 0);
+ *(__le16 *)send_msg.data = cpu_to_le16(i);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hclgevf_set_mtu(struct hnae3_handle *handle, int new_mtu)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_mbx_mtu_info *mtu_info;
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_MTU, 0);
+ mtu_info = (struct hclge_mbx_mtu_info *)send_msg.data;
+ mtu_info->mtu = cpu_to_le32(new_mtu);
+
+ return hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+}
+
+static int hclgevf_notify_client(struct hclgevf_dev *hdev,
+ enum hnae3_reset_notify_type type)
+{
+ struct hnae3_client *client = hdev->nic_client;
+ struct hnae3_handle *handle = &hdev->nic;
+ int ret;
+
+ if (!test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state) ||
+ !client)
+ return 0;
+
+ if (!client->ops->reset_notify)
+ return -EOPNOTSUPP;
+
+ ret = client->ops->reset_notify(handle, type);
+ if (ret)
+ dev_err(&hdev->pdev->dev, "notify nic client failed %d(%d)\n",
+ type, ret);
+
+ return ret;
+}
+
+static int hclgevf_notify_roce_client(struct hclgevf_dev *hdev,
+ enum hnae3_reset_notify_type type)
+{
+ struct hnae3_client *client = hdev->roce_client;
+ struct hnae3_handle *handle = &hdev->roce;
+ int ret;
+
+ if (!test_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state) || !client)
+ return 0;
+
+ if (!client->ops->reset_notify)
+ return -EOPNOTSUPP;
+
+ ret = client->ops->reset_notify(handle, type);
+ if (ret)
+ dev_err(&hdev->pdev->dev, "notify roce client failed %d(%d)",
+ type, ret);
+ return ret;
+}
+
+static int hclgevf_reset_wait(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_RESET_WAIT_US 20000
+#define HCLGEVF_RESET_WAIT_CNT 2000
+#define HCLGEVF_RESET_WAIT_TIMEOUT_US \
+ (HCLGEVF_RESET_WAIT_US * HCLGEVF_RESET_WAIT_CNT)
+
+ u32 val;
+ int ret;
+
+ if (hdev->reset_type == HNAE3_VF_RESET)
+ ret = readl_poll_timeout(hdev->hw.hw.io_base +
+ HCLGEVF_VF_RST_ING, val,
+ !(val & HCLGEVF_VF_RST_ING_BIT),
+ HCLGEVF_RESET_WAIT_US,
+ HCLGEVF_RESET_WAIT_TIMEOUT_US);
+ else
+ ret = readl_poll_timeout(hdev->hw.hw.io_base +
+ HCLGEVF_RST_ING, val,
+ !(val & HCLGEVF_RST_ING_BITS),
+ HCLGEVF_RESET_WAIT_US,
+ HCLGEVF_RESET_WAIT_TIMEOUT_US);
+
+ /* hardware completion status should be available by this time */
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "couldn't get reset done status from h/w, timeout!\n");
+ return ret;
+ }
+
+ /* we will wait a bit more to let reset of the stack to complete. This
+ * might happen in case reset assertion was made by PF. Yes, this also
+ * means we might end up waiting bit more even for VF reset.
+ */
+ if (hdev->reset_type == HNAE3_VF_FULL_RESET)
+ msleep(5000);
+ else
+ msleep(500);
+
+ return 0;
+}
+
+static void hclgevf_reset_handshake(struct hclgevf_dev *hdev, bool enable)
+{
+ u32 reg_val;
+
+ reg_val = hclgevf_read_dev(&hdev->hw, HCLGE_COMM_NIC_CSQ_DEPTH_REG);
+ if (enable)
+ reg_val |= HCLGEVF_NIC_SW_RST_RDY;
+ else
+ reg_val &= ~HCLGEVF_NIC_SW_RST_RDY;
+
+ hclgevf_write_dev(&hdev->hw, HCLGE_COMM_NIC_CSQ_DEPTH_REG,
+ reg_val);
+}
+
+static int hclgevf_reset_stack(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ /* uninitialize the nic client */
+ ret = hclgevf_notify_client(hdev, HNAE3_UNINIT_CLIENT);
+ if (ret)
+ return ret;
+
+ /* re-initialize the hclge device */
+ ret = hclgevf_reset_hdev(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "hclge device re-init failed, VF is disabled!\n");
+ return ret;
+ }
+
+ /* bring up the nic client again */
+ ret = hclgevf_notify_client(hdev, HNAE3_INIT_CLIENT);
+ if (ret)
+ return ret;
+
+ /* clear handshake status with IMP */
+ hclgevf_reset_handshake(hdev, false);
+
+ /* bring up the nic to enable TX/RX again */
+ return hclgevf_notify_client(hdev, HNAE3_UP_CLIENT);
+}
+
+static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_RESET_SYNC_TIME 100
+
+ if (hdev->reset_type == HNAE3_VF_FUNC_RESET) {
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_RESET, 0);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to assert VF reset, ret = %d\n", ret);
+ return ret;
+ }
+ hdev->rst_stats.vf_func_rst_cnt++;
+ }
+
+ set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
+ /* inform hardware that preparatory work is done */
+ msleep(HCLGEVF_RESET_SYNC_TIME);
+ hclgevf_reset_handshake(hdev, true);
+ dev_info(&hdev->pdev->dev, "prepare reset(%d) wait done\n",
+ hdev->reset_type);
+
+ return 0;
+}
+
+static void hclgevf_dump_rst_info(struct hclgevf_dev *hdev)
+{
+ dev_info(&hdev->pdev->dev, "VF function reset count: %u\n",
+ hdev->rst_stats.vf_func_rst_cnt);
+ dev_info(&hdev->pdev->dev, "FLR reset count: %u\n",
+ hdev->rst_stats.flr_rst_cnt);
+ dev_info(&hdev->pdev->dev, "VF reset count: %u\n",
+ hdev->rst_stats.vf_rst_cnt);
+ dev_info(&hdev->pdev->dev, "reset done count: %u\n",
+ hdev->rst_stats.rst_done_cnt);
+ dev_info(&hdev->pdev->dev, "HW reset done count: %u\n",
+ hdev->rst_stats.hw_rst_done_cnt);
+ dev_info(&hdev->pdev->dev, "reset count: %u\n",
+ hdev->rst_stats.rst_cnt);
+ dev_info(&hdev->pdev->dev, "reset fail count: %u\n",
+ hdev->rst_stats.rst_fail_cnt);
+ dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n",
+ hclgevf_read_dev(&hdev->hw, HCLGEVF_MISC_VECTOR_REG_BASE));
+ dev_info(&hdev->pdev->dev, "vector0 interrupt status: 0x%x\n",
+ hclgevf_read_dev(&hdev->hw, HCLGE_COMM_VECTOR0_CMDQ_STATE_REG));
+ dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n",
+ hclgevf_read_dev(&hdev->hw, HCLGE_COMM_NIC_CSQ_DEPTH_REG));
+ dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n",
+ hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING));
+ dev_info(&hdev->pdev->dev, "hdev state: 0x%lx\n", hdev->state);
+}
+
+static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev)
+{
+ /* recover handshake status with IMP when reset fail */
+ hclgevf_reset_handshake(hdev, true);
+ hdev->rst_stats.rst_fail_cnt++;
+ dev_err(&hdev->pdev->dev, "failed to reset VF(%u)\n",
+ hdev->rst_stats.rst_fail_cnt);
+
+ if (hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT)
+ set_bit(hdev->reset_type, &hdev->reset_pending);
+
+ if (hclgevf_is_reset_pending(hdev)) {
+ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
+ hclgevf_reset_task_schedule(hdev);
+ } else {
+ set_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
+ hclgevf_dump_rst_info(hdev);
+ }
+}
+
+static int hclgevf_reset_prepare(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ hdev->rst_stats.rst_cnt++;
+
+ /* perform reset of the stack & ae device for a client */
+ ret = hclgevf_notify_roce_client(hdev, HNAE3_DOWN_CLIENT);
+ if (ret)
+ return ret;
+
+ rtnl_lock();
+ /* bring down the nic to stop any ongoing TX/RX */
+ ret = hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT);
+ rtnl_unlock();
+ if (ret)
+ return ret;
+
+ return hclgevf_reset_prepare_wait(hdev);
+}
+
+static int hclgevf_reset_rebuild(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ hdev->rst_stats.hw_rst_done_cnt++;
+ ret = hclgevf_notify_roce_client(hdev, HNAE3_UNINIT_CLIENT);
+ if (ret)
+ return ret;
+
+ rtnl_lock();
+ /* now, re-initialize the nic client and ae device */
+ ret = hclgevf_reset_stack(hdev);
+ rtnl_unlock();
+ if (ret) {
+ dev_err(&hdev->pdev->dev, "failed to reset VF stack\n");
+ return ret;
+ }
+
+ ret = hclgevf_notify_roce_client(hdev, HNAE3_INIT_CLIENT);
+ /* ignore RoCE notify error if it fails HCLGEVF_RESET_MAX_FAIL_CNT - 1
+ * times
+ */
+ if (ret &&
+ hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT - 1)
+ return ret;
+
+ ret = hclgevf_notify_roce_client(hdev, HNAE3_UP_CLIENT);
+ if (ret)
+ return ret;
+
+ hdev->last_reset_time = jiffies;
+ hdev->rst_stats.rst_done_cnt++;
+ hdev->rst_stats.rst_fail_cnt = 0;
+ clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
+
+ return 0;
+}
+
+static void hclgevf_reset(struct hclgevf_dev *hdev)
+{
+ if (hclgevf_reset_prepare(hdev))
+ goto err_reset;
+
+ /* check if VF could successfully fetch the hardware reset completion
+ * status from the hardware
+ */
+ if (hclgevf_reset_wait(hdev)) {
+ /* can't do much in this situation, will disable VF */
+ dev_err(&hdev->pdev->dev,
+ "failed to fetch H/W reset completion status\n");
+ goto err_reset;
+ }
+
+ if (hclgevf_reset_rebuild(hdev))
+ goto err_reset;
+
+ return;
+
+err_reset:
+ hclgevf_reset_err_handle(hdev);
+}
+
+static enum hnae3_reset_type hclgevf_get_reset_level(struct hclgevf_dev *hdev,
+ unsigned long *addr)
+{
+ enum hnae3_reset_type rst_level = HNAE3_NONE_RESET;
+
+ /* return the highest priority reset level amongst all */
+ if (test_bit(HNAE3_VF_RESET, addr)) {
+ rst_level = HNAE3_VF_RESET;
+ clear_bit(HNAE3_VF_RESET, addr);
+ clear_bit(HNAE3_VF_PF_FUNC_RESET, addr);
+ clear_bit(HNAE3_VF_FUNC_RESET, addr);
+ } else if (test_bit(HNAE3_VF_FULL_RESET, addr)) {
+ rst_level = HNAE3_VF_FULL_RESET;
+ clear_bit(HNAE3_VF_FULL_RESET, addr);
+ clear_bit(HNAE3_VF_FUNC_RESET, addr);
+ } else if (test_bit(HNAE3_VF_PF_FUNC_RESET, addr)) {
+ rst_level = HNAE3_VF_PF_FUNC_RESET;
+ clear_bit(HNAE3_VF_PF_FUNC_RESET, addr);
+ clear_bit(HNAE3_VF_FUNC_RESET, addr);
+ } else if (test_bit(HNAE3_VF_FUNC_RESET, addr)) {
+ rst_level = HNAE3_VF_FUNC_RESET;
+ clear_bit(HNAE3_VF_FUNC_RESET, addr);
+ } else if (test_bit(HNAE3_FLR_RESET, addr)) {
+ rst_level = HNAE3_FLR_RESET;
+ clear_bit(HNAE3_FLR_RESET, addr);
+ }
+
+ return rst_level;
+}
+
+static void hclgevf_reset_event(struct pci_dev *pdev,
+ struct hnae3_handle *handle)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev);
+ struct hclgevf_dev *hdev = ae_dev->priv;
+
+ dev_info(&hdev->pdev->dev, "received reset request from VF enet\n");
+
+ if (hdev->default_reset_request)
+ hdev->reset_level =
+ hclgevf_get_reset_level(hdev,
+ &hdev->default_reset_request);
+ else
+ hdev->reset_level = HNAE3_VF_FUNC_RESET;
+
+ /* reset of this VF requested */
+ set_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state);
+ hclgevf_reset_task_schedule(hdev);
+
+ hdev->last_reset_time = jiffies;
+}
+
+static void hclgevf_set_def_reset_request(struct hnae3_ae_dev *ae_dev,
+ enum hnae3_reset_type rst_type)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+
+ set_bit(rst_type, &hdev->default_reset_request);
+}
+
+static void hclgevf_enable_vector(struct hclgevf_misc_vector *vector, bool en)
+{
+ writel(en ? 1 : 0, vector->addr);
+}
+
+static void hclgevf_reset_prepare_general(struct hnae3_ae_dev *ae_dev,
+ enum hnae3_reset_type rst_type)
+{
+#define HCLGEVF_RESET_RETRY_WAIT_MS 500
+#define HCLGEVF_RESET_RETRY_CNT 5
+
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int retry_cnt = 0;
+ int ret;
+
+ while (retry_cnt++ < HCLGEVF_RESET_RETRY_CNT) {
+ down(&hdev->reset_sem);
+ set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ hdev->reset_type = rst_type;
+ ret = hclgevf_reset_prepare(hdev);
+ if (!ret && !hdev->reset_pending)
+ break;
+
+ dev_err(&hdev->pdev->dev,
+ "failed to prepare to reset, ret=%d, reset_pending:0x%lx, retry_cnt:%d\n",
+ ret, hdev->reset_pending, retry_cnt);
+ clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ up(&hdev->reset_sem);
+ msleep(HCLGEVF_RESET_RETRY_WAIT_MS);
+ }
+
+ /* disable misc vector before reset done */
+ hclgevf_enable_vector(&hdev->misc_vector, false);
+
+ if (hdev->reset_type == HNAE3_FLR_RESET)
+ hdev->rst_stats.flr_rst_cnt++;
+}
+
+static void hclgevf_reset_done(struct hnae3_ae_dev *ae_dev)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int ret;
+
+ hclgevf_enable_vector(&hdev->misc_vector, true);
+
+ ret = hclgevf_reset_rebuild(hdev);
+ if (ret)
+ dev_warn(&hdev->pdev->dev, "fail to rebuild, ret=%d\n",
+ ret);
+
+ hdev->reset_type = HNAE3_NONE_RESET;
+ clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ up(&hdev->reset_sem);
+}
+
+static u32 hclgevf_get_fw_version(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return hdev->fw_version;
+}
+
+static void hclgevf_get_misc_vector(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_misc_vector *vector = &hdev->misc_vector;
+
+ vector->vector_irq = pci_irq_vector(hdev->pdev,
+ HCLGEVF_MISC_VECTOR_NUM);
+ vector->addr = hdev->hw.hw.io_base + HCLGEVF_MISC_VECTOR_REG_BASE;
+ /* vector status always valid for Vector 0 */
+ hdev->vector_status[HCLGEVF_MISC_VECTOR_NUM] = 0;
+ hdev->vector_irq[HCLGEVF_MISC_VECTOR_NUM] = vector->vector_irq;
+
+ hdev->num_msi_left -= 1;
+ hdev->num_msi_used += 1;
+}
+
+void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev)
+{
+ if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) &&
+ test_bit(HCLGEVF_STATE_SERVICE_INITED, &hdev->state) &&
+ !test_and_set_bit(HCLGEVF_STATE_RST_SERVICE_SCHED,
+ &hdev->state))
+ mod_delayed_work(hclgevf_wq, &hdev->service_task, 0);
+}
+
+void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev)
+{
+ if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) &&
+ !test_and_set_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED,
+ &hdev->state))
+ mod_delayed_work(hclgevf_wq, &hdev->service_task, 0);
+}
+
+static void hclgevf_task_schedule(struct hclgevf_dev *hdev,
+ unsigned long delay)
+{
+ if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) &&
+ !test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state))
+ mod_delayed_work(hclgevf_wq, &hdev->service_task, delay);
+}
+
+static void hclgevf_reset_service_task(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_MAX_RESET_ATTEMPTS_CNT 3
+
+ if (!test_and_clear_bit(HCLGEVF_STATE_RST_SERVICE_SCHED, &hdev->state))
+ return;
+
+ down(&hdev->reset_sem);
+ set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+
+ if (test_and_clear_bit(HCLGEVF_RESET_PENDING,
+ &hdev->reset_state)) {
+ /* PF has intimated that it is about to reset the hardware.
+ * We now have to poll & check if hardware has actually
+ * completed the reset sequence. On hardware reset completion,
+ * VF needs to reset the client and ae device.
+ */
+ hdev->reset_attempts = 0;
+
+ hdev->last_reset_time = jiffies;
+ hdev->reset_type =
+ hclgevf_get_reset_level(hdev, &hdev->reset_pending);
+ if (hdev->reset_type != HNAE3_NONE_RESET)
+ hclgevf_reset(hdev);
+ } else if (test_and_clear_bit(HCLGEVF_RESET_REQUESTED,
+ &hdev->reset_state)) {
+ /* we could be here when either of below happens:
+ * 1. reset was initiated due to watchdog timeout caused by
+ * a. IMP was earlier reset and our TX got choked down and
+ * which resulted in watchdog reacting and inducing VF
+ * reset. This also means our cmdq would be unreliable.
+ * b. problem in TX due to other lower layer(example link
+ * layer not functioning properly etc.)
+ * 2. VF reset might have been initiated due to some config
+ * change.
+ *
+ * NOTE: Theres no clear way to detect above cases than to react
+ * to the response of PF for this reset request. PF will ack the
+ * 1b and 2. cases but we will not get any intimation about 1a
+ * from PF as cmdq would be in unreliable state i.e. mailbox
+ * communication between PF and VF would be broken.
+ *
+ * if we are never geting into pending state it means either:
+ * 1. PF is not receiving our request which could be due to IMP
+ * reset
+ * 2. PF is screwed
+ * We cannot do much for 2. but to check first we can try reset
+ * our PCIe + stack and see if it alleviates the problem.
+ */
+ if (hdev->reset_attempts > HCLGEVF_MAX_RESET_ATTEMPTS_CNT) {
+ /* prepare for full reset of stack + pcie interface */
+ set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending);
+
+ /* "defer" schedule the reset task again */
+ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
+ } else {
+ hdev->reset_attempts++;
+
+ set_bit(hdev->reset_level, &hdev->reset_pending);
+ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
+ }
+ hclgevf_reset_task_schedule(hdev);
+ }
+
+ hdev->reset_type = HNAE3_NONE_RESET;
+ clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ up(&hdev->reset_sem);
+}
+
+static void hclgevf_mailbox_service_task(struct hclgevf_dev *hdev)
+{
+ if (!test_and_clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state))
+ return;
+
+ if (test_and_set_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state))
+ return;
+
+ hclgevf_mbx_async_handler(hdev);
+
+ clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state);
+}
+
+static void hclgevf_keep_alive(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state))
+ return;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_KEEP_ALIVE, 0);
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "VF sends keep alive cmd failed(=%d)\n", ret);
+}
+
+static void hclgevf_periodic_service_task(struct hclgevf_dev *hdev)
+{
+ unsigned long delta = round_jiffies_relative(HZ);
+ struct hnae3_handle *handle = &hdev->nic;
+
+ if (test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state) ||
+ test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state))
+ return;
+
+ if (time_is_after_jiffies(hdev->last_serv_processed + HZ)) {
+ delta = jiffies - hdev->last_serv_processed;
+
+ if (delta < round_jiffies_relative(HZ)) {
+ delta = round_jiffies_relative(HZ) - delta;
+ goto out;
+ }
+ }
+
+ hdev->serv_processed_cnt++;
+ if (!(hdev->serv_processed_cnt % HCLGEVF_KEEP_ALIVE_TASK_INTERVAL))
+ hclgevf_keep_alive(hdev);
+
+ if (test_bit(HCLGEVF_STATE_DOWN, &hdev->state)) {
+ hdev->last_serv_processed = jiffies;
+ goto out;
+ }
+
+ if (!(hdev->serv_processed_cnt % HCLGEVF_STATS_TIMER_INTERVAL))
+ hclge_comm_tqps_update_stats(handle, &hdev->hw.hw);
+
+ /* VF does not need to request link status when this bit is set, because
+ * PF will push its link status to VFs when link status changed.
+ */
+ if (!test_bit(HCLGEVF_STATE_PF_PUSH_LINK_STATUS, &hdev->state))
+ hclgevf_request_link_info(hdev);
+
+ hclgevf_update_link_mode(hdev);
+
+ hclgevf_sync_vlan_filter(hdev);
+
+ hclgevf_sync_mac_table(hdev);
+
+ hclgevf_sync_promisc_mode(hdev);
+
+ hdev->last_serv_processed = jiffies;
+
+out:
+ hclgevf_task_schedule(hdev, delta);
+}
+
+static void hclgevf_service_task(struct work_struct *work)
+{
+ struct hclgevf_dev *hdev = container_of(work, struct hclgevf_dev,
+ service_task.work);
+
+ hclgevf_reset_service_task(hdev);
+ hclgevf_mailbox_service_task(hdev);
+ hclgevf_periodic_service_task(hdev);
+
+ /* Handle reset and mbx again in case periodical task delays the
+ * handling by calling hclgevf_task_schedule() in
+ * hclgevf_periodic_service_task()
+ */
+ hclgevf_reset_service_task(hdev);
+ hclgevf_mailbox_service_task(hdev);
+}
+
+static void hclgevf_clear_event_cause(struct hclgevf_dev *hdev, u32 regclr)
+{
+ hclgevf_write_dev(&hdev->hw, HCLGE_COMM_VECTOR0_CMDQ_SRC_REG, regclr);
+}
+
+static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev,
+ u32 *clearval)
+{
+ u32 val, cmdq_stat_reg, rst_ing_reg;
+
+ /* fetch the events from their corresponding regs */
+ cmdq_stat_reg = hclgevf_read_dev(&hdev->hw,
+ HCLGE_COMM_VECTOR0_CMDQ_STATE_REG);
+ if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_stat_reg) {
+ rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING);
+ dev_info(&hdev->pdev->dev,
+ "receive reset interrupt 0x%x!\n", rst_ing_reg);
+ set_bit(HNAE3_VF_RESET, &hdev->reset_pending);
+ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
+ set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
+ *clearval = ~(1U << HCLGEVF_VECTOR0_RST_INT_B);
+ hdev->rst_stats.vf_rst_cnt++;
+ /* set up VF hardware reset status, its PF will clear
+ * this status when PF has initialized done.
+ */
+ val = hclgevf_read_dev(&hdev->hw, HCLGEVF_VF_RST_ING);
+ hclgevf_write_dev(&hdev->hw, HCLGEVF_VF_RST_ING,
+ val | HCLGEVF_VF_RST_ING_BIT);
+ return HCLGEVF_VECTOR0_EVENT_RST;
+ }
+
+ /* check for vector0 mailbox(=CMDQ RX) event source */
+ if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) {
+ /* for revision 0x21, clearing interrupt is writing bit 0
+ * to the clear register, writing bit 1 means to keep the
+ * old value.
+ * for revision 0x20, the clear register is a read & write
+ * register, so we should just write 0 to the bit we are
+ * handling, and keep other bits as cmdq_stat_reg.
+ */
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
+ *clearval = ~(1U << HCLGEVF_VECTOR0_RX_CMDQ_INT_B);
+ else
+ *clearval = cmdq_stat_reg &
+ ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B);
+
+ return HCLGEVF_VECTOR0_EVENT_MBX;
+ }
+
+ /* print other vector0 event source */
+ dev_info(&hdev->pdev->dev,
+ "vector 0 interrupt from unknown source, cmdq_src = %#x\n",
+ cmdq_stat_reg);
+
+ return HCLGEVF_VECTOR0_EVENT_OTHER;
+}
+
+static void hclgevf_reset_timer(struct timer_list *t)
+{
+ struct hclgevf_dev *hdev = from_timer(hdev, t, reset_timer);
+
+ hclgevf_clear_event_cause(hdev, HCLGEVF_VECTOR0_EVENT_RST);
+ hclgevf_reset_task_schedule(hdev);
+}
+
+static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data)
+{
+#define HCLGEVF_RESET_DELAY 5
+
+ enum hclgevf_evt_cause event_cause;
+ struct hclgevf_dev *hdev = data;
+ u32 clearval;
+
+ hclgevf_enable_vector(&hdev->misc_vector, false);
+ event_cause = hclgevf_check_evt_cause(hdev, &clearval);
+ if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER)
+ hclgevf_clear_event_cause(hdev, clearval);
+
+ switch (event_cause) {
+ case HCLGEVF_VECTOR0_EVENT_RST:
+ mod_timer(&hdev->reset_timer,
+ jiffies + msecs_to_jiffies(HCLGEVF_RESET_DELAY));
+ break;
+ case HCLGEVF_VECTOR0_EVENT_MBX:
+ hclgevf_mbx_handler(hdev);
+ break;
+ default:
+ break;
+ }
+
+ hclgevf_enable_vector(&hdev->misc_vector, true);
+
+ return IRQ_HANDLED;
+}
+
+static int hclgevf_configure(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ hdev->gro_en = true;
+
+ ret = hclgevf_get_basic_info(hdev);
+ if (ret)
+ return ret;
+
+ /* get current port based vlan state from PF */
+ ret = hclgevf_get_port_base_vlan_filter_state(hdev);
+ if (ret)
+ return ret;
+
+ /* get queue configuration from PF */
+ ret = hclgevf_get_queue_info(hdev);
+ if (ret)
+ return ret;
+
+ /* get queue depth info from PF */
+ ret = hclgevf_get_queue_depth(hdev);
+ if (ret)
+ return ret;
+
+ return hclgevf_get_pf_media_type(hdev);
+}
+
+static int hclgevf_alloc_hdev(struct hnae3_ae_dev *ae_dev)
+{
+ struct pci_dev *pdev = ae_dev->pdev;
+ struct hclgevf_dev *hdev;
+
+ hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL);
+ if (!hdev)
+ return -ENOMEM;
+
+ hdev->pdev = pdev;
+ hdev->ae_dev = ae_dev;
+ ae_dev->priv = hdev;
+
+ return 0;
+}
+
+static int hclgevf_init_roce_base_info(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *roce = &hdev->roce;
+ struct hnae3_handle *nic = &hdev->nic;
+
+ roce->rinfo.num_vectors = hdev->num_roce_msix;
+
+ if (hdev->num_msi_left < roce->rinfo.num_vectors ||
+ hdev->num_msi_left == 0)
+ return -EINVAL;
+
+ roce->rinfo.base_vector = hdev->roce_base_msix_offset;
+
+ roce->rinfo.netdev = nic->kinfo.netdev;
+ roce->rinfo.roce_io_base = hdev->hw.hw.io_base;
+ roce->rinfo.roce_mem_base = hdev->hw.hw.mem_base;
+
+ roce->pdev = nic->pdev;
+ roce->ae_algo = nic->ae_algo;
+ roce->numa_node_mask = nic->numa_node_mask;
+
+ return 0;
+}
+
+static int hclgevf_config_gro(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_cfg_gro_status_cmd *req;
+ struct hclge_desc desc;
+ int ret;
+
+ if (!hnae3_ae_dev_gro_supported(hdev->ae_dev))
+ return 0;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGE_OPC_GRO_GENERIC_CONFIG,
+ false);
+ req = (struct hclgevf_cfg_gro_status_cmd *)desc.data;
+
+ req->gro_en = hdev->gro_en ? 1 : 0;
+
+ ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "VF GRO hardware config cmd failed, ret = %d.\n", ret);
+
+ return ret;
+}
+
+static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev)
+{
+ struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ u16 tc_offset[HCLGE_COMM_MAX_TC_NUM];
+ u16 tc_valid[HCLGE_COMM_MAX_TC_NUM];
+ u16 tc_size[HCLGE_COMM_MAX_TC_NUM];
+ int ret;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ ret = hclge_comm_set_rss_algo_key(&hdev->hw.hw,
+ rss_cfg->rss_algo,
+ rss_cfg->rss_hash_key);
+ if (ret)
+ return ret;
+
+ ret = hclge_comm_set_rss_input_tuple(&hdev->nic, &hdev->hw.hw,
+ false, rss_cfg);
+ if (ret)
+ return ret;
+ }
+
+ ret = hclge_comm_set_rss_indir_table(hdev->ae_dev, &hdev->hw.hw,
+ rss_cfg->rss_indirection_tbl);
+ if (ret)
+ return ret;
+
+ hclge_comm_get_rss_tc_info(rss_cfg->rss_size, hdev->hw_tc_map,
+ tc_offset, tc_valid, tc_size);
+
+ return hclge_comm_set_rss_tc_mode(&hdev->hw.hw, tc_offset,
+ tc_valid, tc_size);
+}
+
+static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ int ret;
+
+ ret = hclgevf_en_hw_strip_rxvtag(nic, true);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to enable rx vlan offload, ret = %d\n", ret);
+ return ret;
+ }
+
+ return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0,
+ false);
+}
+
+static void hclgevf_flush_link_update(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_FLUSH_LINK_TIMEOUT 100000
+
+ unsigned long last = hdev->serv_processed_cnt;
+ int i = 0;
+
+ while (test_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state) &&
+ i++ < HCLGEVF_FLUSH_LINK_TIMEOUT &&
+ last == hdev->serv_processed_cnt)
+ usleep_range(1, 1);
+}
+
+static void hclgevf_set_timer_task(struct hnae3_handle *handle, bool enable)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ if (enable) {
+ hclgevf_task_schedule(hdev, 0);
+ } else {
+ set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+
+ /* flush memory to make sure DOWN is seen by service task */
+ smp_mb__before_atomic();
+ hclgevf_flush_link_update(hdev);
+ }
+}
+
+static int hclgevf_ae_start(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ clear_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+ clear_bit(HCLGEVF_STATE_PF_PUSH_LINK_STATUS, &hdev->state);
+
+ hclge_comm_reset_tqp_stats(handle);
+
+ hclgevf_request_link_info(hdev);
+
+ hclgevf_update_link_mode(hdev);
+
+ return 0;
+}
+
+static void hclgevf_ae_stop(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+
+ if (hdev->reset_type != HNAE3_VF_RESET)
+ hclgevf_reset_tqp(handle);
+
+ hclge_comm_reset_tqp_stats(handle);
+ hclgevf_update_link_status(hdev, 0);
+}
+
+static int hclgevf_set_alive(struct hnae3_handle *handle, bool alive)
+{
+#define HCLGEVF_STATE_ALIVE 1
+#define HCLGEVF_STATE_NOT_ALIVE 0
+
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_ALIVE, 0);
+ send_msg.data[0] = alive ? HCLGEVF_STATE_ALIVE :
+ HCLGEVF_STATE_NOT_ALIVE;
+ return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
+static int hclgevf_client_start(struct hnae3_handle *handle)
+{
+ return hclgevf_set_alive(handle, true);
+}
+
+static void hclgevf_client_stop(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int ret;
+
+ ret = hclgevf_set_alive(handle, false);
+ if (ret)
+ dev_warn(&hdev->pdev->dev,
+ "%s failed %d\n", __func__, ret);
+}
+
+static void hclgevf_state_init(struct hclgevf_dev *hdev)
+{
+ clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state);
+ clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state);
+ clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
+
+ INIT_DELAYED_WORK(&hdev->service_task, hclgevf_service_task);
+
+ mutex_init(&hdev->mbx_resp.mbx_mutex);
+ sema_init(&hdev->reset_sem, 1);
+
+ spin_lock_init(&hdev->mac_table.mac_list_lock);
+ INIT_LIST_HEAD(&hdev->mac_table.uc_mac_list);
+ INIT_LIST_HEAD(&hdev->mac_table.mc_mac_list);
+
+ /* bring the device down */
+ set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+}
+
+static void hclgevf_state_uninit(struct hclgevf_dev *hdev)
+{
+ set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+ set_bit(HCLGEVF_STATE_REMOVING, &hdev->state);
+
+ if (hdev->service_task.work.func)
+ cancel_delayed_work_sync(&hdev->service_task);
+
+ mutex_destroy(&hdev->mbx_resp.mbx_mutex);
+}
+
+static int hclgevf_init_msi(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ int vectors;
+ int i;
+
+ if (hnae3_dev_roce_supported(hdev))
+ vectors = pci_alloc_irq_vectors(pdev,
+ hdev->roce_base_msix_offset + 1,
+ hdev->num_msi,
+ PCI_IRQ_MSIX);
+ else
+ vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM,
+ hdev->num_msi,
+ PCI_IRQ_MSI | PCI_IRQ_MSIX);
+
+ if (vectors < 0) {
+ dev_err(&pdev->dev,
+ "failed(%d) to allocate MSI/MSI-X vectors\n",
+ vectors);
+ return vectors;
+ }
+ if (vectors < hdev->num_msi)
+ dev_warn(&hdev->pdev->dev,
+ "requested %u MSI/MSI-X, but allocated %d MSI/MSI-X\n",
+ hdev->num_msi, vectors);
+
+ hdev->num_msi = vectors;
+ hdev->num_msi_left = vectors;
+
+ hdev->vector_status = devm_kcalloc(&pdev->dev, hdev->num_msi,
+ sizeof(u16), GFP_KERNEL);
+ if (!hdev->vector_status) {
+ pci_free_irq_vectors(pdev);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < hdev->num_msi; i++)
+ hdev->vector_status[i] = HCLGEVF_INVALID_VPORT;
+
+ hdev->vector_irq = devm_kcalloc(&pdev->dev, hdev->num_msi,
+ sizeof(int), GFP_KERNEL);
+ if (!hdev->vector_irq) {
+ devm_kfree(&pdev->dev, hdev->vector_status);
+ pci_free_irq_vectors(pdev);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void hclgevf_uninit_msi(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+
+ devm_kfree(&pdev->dev, hdev->vector_status);
+ devm_kfree(&pdev->dev, hdev->vector_irq);
+ pci_free_irq_vectors(pdev);
+}
+
+static int hclgevf_misc_irq_init(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ hclgevf_get_misc_vector(hdev);
+
+ snprintf(hdev->misc_vector.name, HNAE3_INT_NAME_LEN, "%s-misc-%s",
+ HCLGEVF_NAME, pci_name(hdev->pdev));
+ ret = request_irq(hdev->misc_vector.vector_irq, hclgevf_misc_irq_handle,
+ 0, hdev->misc_vector.name, hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev, "VF failed to request misc irq(%d)\n",
+ hdev->misc_vector.vector_irq);
+ return ret;
+ }
+
+ hclgevf_clear_event_cause(hdev, 0);
+
+ /* enable misc. vector(vector 0) */
+ hclgevf_enable_vector(&hdev->misc_vector, true);
+
+ return ret;
+}
+
+static void hclgevf_misc_irq_uninit(struct hclgevf_dev *hdev)
+{
+ /* disable misc vector(vector 0) */
+ hclgevf_enable_vector(&hdev->misc_vector, false);
+ synchronize_irq(hdev->misc_vector.vector_irq);
+ free_irq(hdev->misc_vector.vector_irq, hdev);
+ hclgevf_free_vector(hdev, 0);
+}
+
+static void hclgevf_info_show(struct hclgevf_dev *hdev)
+{
+ struct device *dev = &hdev->pdev->dev;
+
+ dev_info(dev, "VF info begin:\n");
+
+ dev_info(dev, "Task queue pairs numbers: %u\n", hdev->num_tqps);
+ dev_info(dev, "Desc num per TX queue: %u\n", hdev->num_tx_desc);
+ dev_info(dev, "Desc num per RX queue: %u\n", hdev->num_rx_desc);
+ dev_info(dev, "Numbers of vports: %u\n", hdev->num_alloc_vport);
+ dev_info(dev, "HW tc map: 0x%x\n", hdev->hw_tc_map);
+ dev_info(dev, "PF media type of this VF: %u\n",
+ hdev->hw.mac.media_type);
+
+ dev_info(dev, "VF info end.\n");
+}
+
+static int hclgevf_init_nic_client_instance(struct hnae3_ae_dev *ae_dev,
+ struct hnae3_client *client)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int rst_cnt = hdev->rst_stats.rst_cnt;
+ int ret;
+
+ ret = client->ops->init_instance(&hdev->nic);
+ if (ret)
+ return ret;
+
+ set_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state);
+ if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) ||
+ rst_cnt != hdev->rst_stats.rst_cnt) {
+ clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state);
+
+ client->ops->uninit_instance(&hdev->nic, 0);
+ return -EBUSY;
+ }
+
+ hnae3_set_client_init_flag(client, ae_dev, 1);
+
+ if (netif_msg_drv(&hdev->nic))
+ hclgevf_info_show(hdev);
+
+ return 0;
+}
+
+static int hclgevf_init_roce_client_instance(struct hnae3_ae_dev *ae_dev,
+ struct hnae3_client *client)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int ret;
+
+ if (!hnae3_dev_roce_supported(hdev) || !hdev->roce_client ||
+ !hdev->nic_client)
+ return 0;
+
+ ret = hclgevf_init_roce_base_info(hdev);
+ if (ret)
+ return ret;
+
+ ret = client->ops->init_instance(&hdev->roce);
+ if (ret)
+ return ret;
+
+ set_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state);
+ hnae3_set_client_init_flag(client, ae_dev, 1);
+
+ return 0;
+}
+
+static int hclgevf_init_client_instance(struct hnae3_client *client,
+ struct hnae3_ae_dev *ae_dev)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int ret;
+
+ switch (client->type) {
+ case HNAE3_CLIENT_KNIC:
+ hdev->nic_client = client;
+ hdev->nic.client = client;
+
+ ret = hclgevf_init_nic_client_instance(ae_dev, client);
+ if (ret)
+ goto clear_nic;
+
+ ret = hclgevf_init_roce_client_instance(ae_dev,
+ hdev->roce_client);
+ if (ret)
+ goto clear_roce;
+
+ break;
+ case HNAE3_CLIENT_ROCE:
+ if (hnae3_dev_roce_supported(hdev)) {
+ hdev->roce_client = client;
+ hdev->roce.client = client;
+ }
+
+ ret = hclgevf_init_roce_client_instance(ae_dev, client);
+ if (ret)
+ goto clear_roce;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+
+clear_nic:
+ hdev->nic_client = NULL;
+ hdev->nic.client = NULL;
+ return ret;
+clear_roce:
+ hdev->roce_client = NULL;
+ hdev->roce.client = NULL;
+ return ret;
+}
+
+static void hclgevf_uninit_client_instance(struct hnae3_client *client,
+ struct hnae3_ae_dev *ae_dev)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+
+ /* un-init roce, if it exists */
+ if (hdev->roce_client) {
+ while (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state))
+ msleep(HCLGEVF_WAIT_RESET_DONE);
+ clear_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state);
+
+ hdev->roce_client->ops->uninit_instance(&hdev->roce, 0);
+ hdev->roce_client = NULL;
+ hdev->roce.client = NULL;
+ }
+
+ /* un-init nic/unic, if this was not called by roce client */
+ if (client->ops->uninit_instance && hdev->nic_client &&
+ client->type != HNAE3_CLIENT_ROCE) {
+ while (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state))
+ msleep(HCLGEVF_WAIT_RESET_DONE);
+ clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state);
+
+ client->ops->uninit_instance(&hdev->nic, 0);
+ hdev->nic_client = NULL;
+ hdev->nic.client = NULL;
+ }
+}
+
+static int hclgevf_dev_mem_map(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ struct hclgevf_hw *hw = &hdev->hw;
+
+ /* for device does not have device memory, return directly */
+ if (!(pci_select_bars(pdev, IORESOURCE_MEM) & BIT(HCLGEVF_MEM_BAR)))
+ return 0;
+
+ hw->hw.mem_base =
+ devm_ioremap_wc(&pdev->dev,
+ pci_resource_start(pdev, HCLGEVF_MEM_BAR),
+ pci_resource_len(pdev, HCLGEVF_MEM_BAR));
+ if (!hw->hw.mem_base) {
+ dev_err(&pdev->dev, "failed to map device memory\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int hclgevf_pci_init(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ struct hclgevf_hw *hw;
+ int ret;
+
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to enable PCI device\n");
+ return ret;
+ }
+
+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (ret) {
+ dev_err(&pdev->dev, "can't set consistent PCI DMA, exiting");
+ goto err_disable_device;
+ }
+
+ ret = pci_request_regions(pdev, HCLGEVF_DRIVER_NAME);
+ if (ret) {
+ dev_err(&pdev->dev, "PCI request regions failed %d\n", ret);
+ goto err_disable_device;
+ }
+
+ pci_set_master(pdev);
+ hw = &hdev->hw;
+ hw->hw.io_base = pci_iomap(pdev, 2, 0);
+ if (!hw->hw.io_base) {
+ dev_err(&pdev->dev, "can't map configuration register space\n");
+ ret = -ENOMEM;
+ goto err_clr_master;
+ }
+
+ ret = hclgevf_dev_mem_map(hdev);
+ if (ret)
+ goto err_unmap_io_base;
+
+ return 0;
+
+err_unmap_io_base:
+ pci_iounmap(pdev, hdev->hw.hw.io_base);
+err_clr_master:
+ pci_clear_master(pdev);
+ pci_release_regions(pdev);
+err_disable_device:
+ pci_disable_device(pdev);
+
+ return ret;
+}
+
+static void hclgevf_pci_uninit(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+
+ if (hdev->hw.hw.mem_base)
+ devm_iounmap(&pdev->dev, hdev->hw.hw.mem_base);
+
+ pci_iounmap(pdev, hdev->hw.hw.io_base);
+ pci_clear_master(pdev);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_query_res_cmd *req;
+ struct hclge_desc desc;
+ int ret;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_VF_RSRC, true);
+ ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "query vf resource failed, ret = %d.\n", ret);
+ return ret;
+ }
+
+ req = (struct hclgevf_query_res_cmd *)desc.data;
+
+ if (hnae3_dev_roce_supported(hdev)) {
+ hdev->roce_base_msix_offset =
+ hnae3_get_field(le16_to_cpu(req->msixcap_localid_ba_rocee),
+ HCLGEVF_MSIX_OFT_ROCEE_M,
+ HCLGEVF_MSIX_OFT_ROCEE_S);
+ hdev->num_roce_msix =
+ hnae3_get_field(le16_to_cpu(req->vf_intr_vector_number),
+ HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S);
+
+ /* nic's msix numbers is always equals to the roce's. */
+ hdev->num_nic_msix = hdev->num_roce_msix;
+
+ /* VF should have NIC vectors and Roce vectors, NIC vectors
+ * are queued before Roce vectors. The offset is fixed to 64.
+ */
+ hdev->num_msi = hdev->num_roce_msix +
+ hdev->roce_base_msix_offset;
+ } else {
+ hdev->num_msi =
+ hnae3_get_field(le16_to_cpu(req->vf_intr_vector_number),
+ HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S);
+
+ hdev->num_nic_msix = hdev->num_msi;
+ }
+
+ if (hdev->num_nic_msix < HNAE3_MIN_VECTOR_NUM) {
+ dev_err(&hdev->pdev->dev,
+ "Just %u msi resources, not enough for vf(min:2).\n",
+ hdev->num_nic_msix);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void hclgevf_set_default_dev_specs(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_MAX_NON_TSO_BD_NUM 8U
+
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+
+ ae_dev->dev_specs.max_non_tso_bd_num =
+ HCLGEVF_MAX_NON_TSO_BD_NUM;
+ ae_dev->dev_specs.rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE;
+ ae_dev->dev_specs.rss_key_size = HCLGE_COMM_RSS_KEY_SIZE;
+ ae_dev->dev_specs.max_int_gl = HCLGEVF_DEF_MAX_INT_GL;
+ ae_dev->dev_specs.max_frm_size = HCLGEVF_MAC_MAX_FRAME;
+}
+
+static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev,
+ struct hclge_desc *desc)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+ struct hclgevf_dev_specs_0_cmd *req0;
+ struct hclgevf_dev_specs_1_cmd *req1;
+
+ req0 = (struct hclgevf_dev_specs_0_cmd *)desc[0].data;
+ req1 = (struct hclgevf_dev_specs_1_cmd *)desc[1].data;
+
+ ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num;
+ ae_dev->dev_specs.rss_ind_tbl_size =
+ le16_to_cpu(req0->rss_ind_tbl_size);
+ ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max);
+ ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size);
+ ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl);
+ ae_dev->dev_specs.max_frm_size = le16_to_cpu(req1->max_frm_size);
+}
+
+static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev)
+{
+ struct hnae3_dev_specs *dev_specs = &hdev->ae_dev->dev_specs;
+
+ if (!dev_specs->max_non_tso_bd_num)
+ dev_specs->max_non_tso_bd_num = HCLGEVF_MAX_NON_TSO_BD_NUM;
+ if (!dev_specs->rss_ind_tbl_size)
+ dev_specs->rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE;
+ if (!dev_specs->rss_key_size)
+ dev_specs->rss_key_size = HCLGE_COMM_RSS_KEY_SIZE;
+ if (!dev_specs->max_int_gl)
+ dev_specs->max_int_gl = HCLGEVF_DEF_MAX_INT_GL;
+ if (!dev_specs->max_frm_size)
+ dev_specs->max_frm_size = HCLGEVF_MAC_MAX_FRAME;
+}
+
+static int hclgevf_query_dev_specs(struct hclgevf_dev *hdev)
+{
+ struct hclge_desc desc[HCLGEVF_QUERY_DEV_SPECS_BD_NUM];
+ int ret;
+ int i;
+
+ /* set default specifications as devices lower than version V3 do not
+ * support querying specifications from firmware.
+ */
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3) {
+ hclgevf_set_default_dev_specs(hdev);
+ return 0;
+ }
+
+ for (i = 0; i < HCLGEVF_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
+ hclgevf_cmd_setup_basic_desc(&desc[i],
+ HCLGE_OPC_QUERY_DEV_SPECS, true);
+ desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
+ }
+ hclgevf_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_QUERY_DEV_SPECS, true);
+
+ ret = hclgevf_cmd_send(&hdev->hw, desc, HCLGEVF_QUERY_DEV_SPECS_BD_NUM);
+ if (ret)
+ return ret;
+
+ hclgevf_parse_dev_specs(hdev, desc);
+ hclgevf_check_dev_specs(hdev);
+
+ return 0;
+}
+
+static int hclgevf_pci_reset(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ int ret = 0;
+
+ if ((hdev->reset_type == HNAE3_VF_FULL_RESET ||
+ hdev->reset_type == HNAE3_FLR_RESET) &&
+ test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) {
+ hclgevf_misc_irq_uninit(hdev);
+ hclgevf_uninit_msi(hdev);
+ clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state);
+ }
+
+ if (!test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) {
+ pci_set_master(pdev);
+ ret = hclgevf_init_msi(hdev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed(%d) to init MSI/MSI-X\n", ret);
+ return ret;
+ }
+
+ ret = hclgevf_misc_irq_init(hdev);
+ if (ret) {
+ hclgevf_uninit_msi(hdev);
+ dev_err(&pdev->dev, "failed(%d) to init Misc IRQ(vector0)\n",
+ ret);
+ return ret;
+ }
+
+ set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state);
+ }
+
+ return ret;
+}
+
+static int hclgevf_clear_vport_list(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_HANDLE_VF_TBL,
+ HCLGE_MBX_VPORT_LIST_CLEAR);
+ return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
+static void hclgevf_init_rxd_adv_layout(struct hclgevf_dev *hdev)
+{
+ if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev))
+ hclgevf_write_dev(&hdev->hw, HCLGEVF_RXD_ADV_LAYOUT_EN_REG, 1);
+}
+
+static void hclgevf_uninit_rxd_adv_layout(struct hclgevf_dev *hdev)
+{
+ if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev))
+ hclgevf_write_dev(&hdev->hw, HCLGEVF_RXD_ADV_LAYOUT_EN_REG, 0);
+}
+
+static int hclgevf_reset_hdev(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ int ret;
+
+ ret = hclgevf_pci_reset(hdev);
+ if (ret) {
+ dev_err(&pdev->dev, "pci reset failed %d\n", ret);
+ return ret;
+ }
+
+ hclgevf_arq_init(hdev);
+ ret = hclge_comm_cmd_init(hdev->ae_dev, &hdev->hw.hw,
+ &hdev->fw_version, false,
+ hdev->reset_pending);
+ if (ret) {
+ dev_err(&pdev->dev, "cmd failed %d\n", ret);
+ return ret;
+ }
+
+ ret = hclgevf_rss_init_hw(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed(%d) to initialize RSS\n", ret);
+ return ret;
+ }
+
+ ret = hclgevf_config_gro(hdev);
+ if (ret)
+ return ret;
+
+ ret = hclgevf_init_vlan_config(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed(%d) to initialize VLAN config\n", ret);
+ return ret;
+ }
+
+ /* get current port based vlan state from PF */
+ ret = hclgevf_get_port_base_vlan_filter_state(hdev);
+ if (ret)
+ return ret;
+
+ set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+
+ hclgevf_init_rxd_adv_layout(hdev);
+
+ dev_info(&hdev->pdev->dev, "Reset done\n");
+
+ return 0;
+}
+
+static int hclgevf_init_hdev(struct hclgevf_dev *hdev)
+{
+ struct pci_dev *pdev = hdev->pdev;
+ int ret;
+
+ ret = hclgevf_pci_init(hdev);
+ if (ret)
+ return ret;
+
+ ret = hclgevf_devlink_init(hdev);
+ if (ret)
+ goto err_devlink_init;
+
+ ret = hclge_comm_cmd_queue_init(hdev->pdev, &hdev->hw.hw);
+ if (ret)
+ goto err_cmd_queue_init;
+
+ hclgevf_arq_init(hdev);
+ ret = hclge_comm_cmd_init(hdev->ae_dev, &hdev->hw.hw,
+ &hdev->fw_version, false,
+ hdev->reset_pending);
+ if (ret)
+ goto err_cmd_init;
+
+ /* Get vf resource */
+ ret = hclgevf_query_vf_resource(hdev);
+ if (ret)
+ goto err_cmd_init;
+
+ ret = hclgevf_query_dev_specs(hdev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to query dev specifications, ret = %d\n", ret);
+ goto err_cmd_init;
+ }
+
+ ret = hclgevf_init_msi(hdev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed(%d) to init MSI/MSI-X\n", ret);
+ goto err_cmd_init;
+ }
+
+ hclgevf_state_init(hdev);
+ hdev->reset_level = HNAE3_VF_FUNC_RESET;
+ hdev->reset_type = HNAE3_NONE_RESET;
+
+ ret = hclgevf_misc_irq_init(hdev);
+ if (ret)
+ goto err_misc_irq_init;
+
+ set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state);
+
+ ret = hclgevf_configure(hdev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed(%d) to fetch configuration\n", ret);
+ goto err_config;
+ }
+
+ ret = hclgevf_alloc_tqps(hdev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed(%d) to allocate TQPs\n", ret);
+ goto err_config;
+ }
+
+ ret = hclgevf_set_handle_info(hdev);
+ if (ret)
+ goto err_config;
+
+ ret = hclgevf_config_gro(hdev);
+ if (ret)
+ goto err_config;
+
+ /* Initialize RSS for this VF */
+ ret = hclge_comm_rss_init_cfg(&hdev->nic, hdev->ae_dev,
+ &hdev->rss_cfg);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to init rss cfg, ret = %d\n", ret);
+ goto err_config;
+ }
+
+ ret = hclgevf_rss_init_hw(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed(%d) to initialize RSS\n", ret);
+ goto err_config;
+ }
+
+ /* ensure vf tbl list as empty before init */
+ ret = hclgevf_clear_vport_list(hdev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to clear tbl list configuration, ret = %d.\n",
+ ret);
+ goto err_config;
+ }
+
+ ret = hclgevf_init_vlan_config(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed(%d) to initialize VLAN config\n", ret);
+ goto err_config;
+ }
+
+ hclgevf_init_rxd_adv_layout(hdev);
+
+ set_bit(HCLGEVF_STATE_SERVICE_INITED, &hdev->state);
+
+ hdev->last_reset_time = jiffies;
+ dev_info(&hdev->pdev->dev, "finished initializing %s driver\n",
+ HCLGEVF_DRIVER_NAME);
+
+ hclgevf_task_schedule(hdev, round_jiffies_relative(HZ));
+ timer_setup(&hdev->reset_timer, hclgevf_reset_timer, 0);
+
+ return 0;
+
+err_config:
+ hclgevf_misc_irq_uninit(hdev);
+err_misc_irq_init:
+ hclgevf_state_uninit(hdev);
+ hclgevf_uninit_msi(hdev);
+err_cmd_init:
+ hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
+err_cmd_queue_init:
+ hclgevf_devlink_uninit(hdev);
+err_devlink_init:
+ hclgevf_pci_uninit(hdev);
+ clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state);
+ return ret;
+}
+
+static void hclgevf_uninit_hdev(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_state_uninit(hdev);
+ hclgevf_uninit_rxd_adv_layout(hdev);
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_VF_UNINIT, 0);
+ hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+
+ if (test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) {
+ hclgevf_misc_irq_uninit(hdev);
+ hclgevf_uninit_msi(hdev);
+ }
+
+ hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
+ hclgevf_devlink_uninit(hdev);
+ hclgevf_pci_uninit(hdev);
+ hclgevf_uninit_mac_list(hdev);
+}
+
+static int hclgevf_init_ae_dev(struct hnae3_ae_dev *ae_dev)
+{
+ struct pci_dev *pdev = ae_dev->pdev;
+ int ret;
+
+ ret = hclgevf_alloc_hdev(ae_dev);
+ if (ret) {
+ dev_err(&pdev->dev, "hclge device allocation failed\n");
+ return ret;
+ }
+
+ ret = hclgevf_init_hdev(ae_dev->priv);
+ if (ret) {
+ dev_err(&pdev->dev, "hclge device initialization failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
+{
+ struct hclgevf_dev *hdev = ae_dev->priv;
+
+ hclgevf_uninit_hdev(hdev);
+ ae_dev->priv = NULL;
+}
+
+static u32 hclgevf_get_max_channels(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ struct hnae3_knic_private_info *kinfo = &nic->kinfo;
+
+ return min_t(u32, hdev->rss_size_max,
+ hdev->num_tqps / kinfo->tc_info.num_tc);
+}
+
+/**
+ * hclgevf_get_channels - Get the current channels enabled and max supported.
+ * @handle: hardware information for network interface
+ * @ch: ethtool channels structure
+ *
+ * We don't support separate tx and rx queues as channels. The other count
+ * represents how many queues are being used for control. max_combined counts
+ * how many queue pairs we can support. They may not be mapped 1 to 1 with
+ * q_vectors since we support a lot more queue pairs than q_vectors.
+ **/
+static void hclgevf_get_channels(struct hnae3_handle *handle,
+ struct ethtool_channels *ch)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ ch->max_combined = hclgevf_get_max_channels(hdev);
+ ch->other_count = 0;
+ ch->max_other = 0;
+ ch->combined_count = handle->kinfo.rss_size;
+}
+
+static void hclgevf_get_tqps_and_rss_info(struct hnae3_handle *handle,
+ u16 *alloc_tqps, u16 *max_rss_size)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ *alloc_tqps = hdev->num_tqps;
+ *max_rss_size = hdev->rss_size_max;
+}
+
+static void hclgevf_update_rss_size(struct hnae3_handle *handle,
+ u32 new_tqps_num)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u16 max_rss_size;
+
+ kinfo->req_rss_size = new_tqps_num;
+
+ max_rss_size = min_t(u16, hdev->rss_size_max,
+ hdev->num_tqps / kinfo->tc_info.num_tc);
+
+ /* Use the user's configuration when it is not larger than
+ * max_rss_size, otherwise, use the maximum specification value.
+ */
+ if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
+ kinfo->req_rss_size <= max_rss_size)
+ kinfo->rss_size = kinfo->req_rss_size;
+ else if (kinfo->rss_size > max_rss_size ||
+ (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size))
+ kinfo->rss_size = max_rss_size;
+
+ kinfo->num_tqps = kinfo->tc_info.num_tc * kinfo->rss_size;
+}
+
+static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
+ bool rxfh_configured)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ u16 tc_offset[HCLGE_COMM_MAX_TC_NUM];
+ u16 tc_valid[HCLGE_COMM_MAX_TC_NUM];
+ u16 tc_size[HCLGE_COMM_MAX_TC_NUM];
+ u16 cur_rss_size = kinfo->rss_size;
+ u16 cur_tqps = kinfo->num_tqps;
+ u32 *rss_indir;
+ unsigned int i;
+ int ret;
+
+ hclgevf_update_rss_size(handle, new_tqps_num);
+
+ hclge_comm_get_rss_tc_info(kinfo->rss_size, hdev->hw_tc_map,
+ tc_offset, tc_valid, tc_size);
+ ret = hclge_comm_set_rss_tc_mode(&hdev->hw.hw, tc_offset,
+ tc_valid, tc_size);
+ if (ret)
+ return ret;
+
+ /* RSS indirection table has been configured by user */
+ if (rxfh_configured)
+ goto out;
+
+ /* Reinitializes the rss indirect table according to the new RSS size */
+ rss_indir = kcalloc(hdev->ae_dev->dev_specs.rss_ind_tbl_size,
+ sizeof(u32), GFP_KERNEL);
+ if (!rss_indir)
+ return -ENOMEM;
+
+ for (i = 0; i < hdev->ae_dev->dev_specs.rss_ind_tbl_size; i++)
+ rss_indir[i] = i % kinfo->rss_size;
+
+ hdev->rss_cfg.rss_size = kinfo->rss_size;
+
+ ret = hclgevf_set_rss(handle, rss_indir, NULL, 0);
+ if (ret)
+ dev_err(&hdev->pdev->dev, "set rss indir table fail, ret=%d\n",
+ ret);
+
+ kfree(rss_indir);
+
+out:
+ if (!ret)
+ dev_info(&hdev->pdev->dev,
+ "Channels changed, rss_size from %u to %u, tqps from %u to %u",
+ cur_rss_size, kinfo->rss_size,
+ cur_tqps, kinfo->rss_size * kinfo->tc_info.num_tc);
+
+ return ret;
+}
+
+static int hclgevf_get_status(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return hdev->hw.mac.link;
+}
+
+static void hclgevf_get_ksettings_an_result(struct hnae3_handle *handle,
+ u8 *auto_neg, u32 *speed,
+ u8 *duplex, u32 *lane_num)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ if (speed)
+ *speed = hdev->hw.mac.speed;
+ if (duplex)
+ *duplex = hdev->hw.mac.duplex;
+ if (auto_neg)
+ *auto_neg = AUTONEG_DISABLE;
+}
+
+void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
+ u8 duplex)
+{
+ hdev->hw.mac.speed = speed;
+ hdev->hw.mac.duplex = duplex;
+}
+
+static int hclgevf_gro_en(struct hnae3_handle *handle, bool enable)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ bool gro_en_old = hdev->gro_en;
+ int ret;
+
+ hdev->gro_en = enable;
+ ret = hclgevf_config_gro(hdev);
+ if (ret)
+ hdev->gro_en = gro_en_old;
+
+ return ret;
+}
+
+static void hclgevf_get_media_type(struct hnae3_handle *handle, u8 *media_type,
+ u8 *module_type)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ if (media_type)
+ *media_type = hdev->hw.mac.media_type;
+
+ if (module_type)
+ *module_type = hdev->hw.mac.module_type;
+}
+
+static bool hclgevf_get_hw_reset_stat(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return !!hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING);
+}
+
+static bool hclgevf_get_cmdq_stat(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
+}
+
+static bool hclgevf_ae_dev_resetting(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+}
+
+static unsigned long hclgevf_ae_dev_reset_cnt(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ return hdev->rst_stats.hw_rst_done_cnt;
+}
+
+static void hclgevf_get_link_mode(struct hnae3_handle *handle,
+ unsigned long *supported,
+ unsigned long *advertising)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ *supported = hdev->hw.mac.supported;
+ *advertising = hdev->hw.mac.advertising;
+}
+
+#define MAX_SEPARATE_NUM 4
+#define SEPARATOR_VALUE 0xFDFCFBFA
+#define REG_NUM_PER_LINE 4
+#define REG_LEN_PER_LINE (REG_NUM_PER_LINE * sizeof(u32))
+
+static int hclgevf_get_regs_len(struct hnae3_handle *handle)
+{
+ int cmdq_lines, common_lines, ring_lines, tqp_intr_lines;
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ cmdq_lines = sizeof(cmdq_reg_addr_list) / REG_LEN_PER_LINE + 1;
+ common_lines = sizeof(common_reg_addr_list) / REG_LEN_PER_LINE + 1;
+ ring_lines = sizeof(ring_reg_addr_list) / REG_LEN_PER_LINE + 1;
+ tqp_intr_lines = sizeof(tqp_intr_reg_addr_list) / REG_LEN_PER_LINE + 1;
+
+ return (cmdq_lines + common_lines + ring_lines * hdev->num_tqps +
+ tqp_intr_lines * (hdev->num_msi_used - 1)) * REG_LEN_PER_LINE;
+}
+
+static void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version,
+ void *data)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ int i, j, reg_um, separator_num;
+ u32 *reg = data;
+
+ *version = hdev->fw_version;
+
+ /* fetching per-VF registers values from VF PCIe register space */
+ reg_um = sizeof(cmdq_reg_addr_list) / sizeof(u32);
+ separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+ for (i = 0; i < reg_um; i++)
+ *reg++ = hclgevf_read_dev(&hdev->hw, cmdq_reg_addr_list[i]);
+ for (i = 0; i < separator_num; i++)
+ *reg++ = SEPARATOR_VALUE;
+
+ reg_um = sizeof(common_reg_addr_list) / sizeof(u32);
+ separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+ for (i = 0; i < reg_um; i++)
+ *reg++ = hclgevf_read_dev(&hdev->hw, common_reg_addr_list[i]);
+ for (i = 0; i < separator_num; i++)
+ *reg++ = SEPARATOR_VALUE;
+
+ reg_um = sizeof(ring_reg_addr_list) / sizeof(u32);
+ separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+ for (j = 0; j < hdev->num_tqps; j++) {
+ for (i = 0; i < reg_um; i++)
+ *reg++ = hclgevf_read_dev(&hdev->hw,
+ ring_reg_addr_list[i] +
+ HCLGEVF_TQP_REG_SIZE * j);
+ for (i = 0; i < separator_num; i++)
+ *reg++ = SEPARATOR_VALUE;
+ }
+
+ reg_um = sizeof(tqp_intr_reg_addr_list) / sizeof(u32);
+ separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+ for (j = 0; j < hdev->num_msi_used - 1; j++) {
+ for (i = 0; i < reg_um; i++)
+ *reg++ = hclgevf_read_dev(&hdev->hw,
+ tqp_intr_reg_addr_list[i] +
+ 4 * j);
+ for (i = 0; i < separator_num; i++)
+ *reg++ = SEPARATOR_VALUE;
+ }
+}
+
+void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
+ struct hclge_mbx_port_base_vlan *port_base_vlan)
+{
+ struct hnae3_handle *nic = &hdev->nic;
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ rtnl_lock();
+
+ if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) ||
+ test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) {
+ dev_warn(&hdev->pdev->dev,
+ "is resetting when updating port based vlan info\n");
+ rtnl_unlock();
+ return;
+ }
+
+ ret = hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT);
+ if (ret) {
+ rtnl_unlock();
+ return;
+ }
+
+ /* send msg to PF and wait update port based vlan info */
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_PORT_BASE_VLAN_CFG);
+ memcpy(send_msg.data, port_base_vlan, sizeof(*port_base_vlan));
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ if (!ret) {
+ if (state == HNAE3_PORT_BASE_VLAN_DISABLE)
+ nic->port_base_vlan_state = state;
+ else
+ nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_ENABLE;
+ }
+
+ hclgevf_notify_client(hdev, HNAE3_UP_CLIENT);
+ rtnl_unlock();
+}
+
+static const struct hnae3_ae_ops hclgevf_ops = {
+ .init_ae_dev = hclgevf_init_ae_dev,
+ .uninit_ae_dev = hclgevf_uninit_ae_dev,
+ .reset_prepare = hclgevf_reset_prepare_general,
+ .reset_done = hclgevf_reset_done,
+ .init_client_instance = hclgevf_init_client_instance,
+ .uninit_client_instance = hclgevf_uninit_client_instance,
+ .start = hclgevf_ae_start,
+ .stop = hclgevf_ae_stop,
+ .client_start = hclgevf_client_start,
+ .client_stop = hclgevf_client_stop,
+ .map_ring_to_vector = hclgevf_map_ring_to_vector,
+ .unmap_ring_from_vector = hclgevf_unmap_ring_from_vector,
+ .get_vector = hclgevf_get_vector,
+ .put_vector = hclgevf_put_vector,
+ .reset_queue = hclgevf_reset_tqp,
+ .get_mac_addr = hclgevf_get_mac_addr,
+ .set_mac_addr = hclgevf_set_mac_addr,
+ .add_uc_addr = hclgevf_add_uc_addr,
+ .rm_uc_addr = hclgevf_rm_uc_addr,
+ .add_mc_addr = hclgevf_add_mc_addr,
+ .rm_mc_addr = hclgevf_rm_mc_addr,
+ .get_stats = hclgevf_get_stats,
+ .update_stats = hclgevf_update_stats,
+ .get_strings = hclgevf_get_strings,
+ .get_sset_count = hclgevf_get_sset_count,
+ .get_rss_key_size = hclge_comm_get_rss_key_size,
+ .get_rss = hclgevf_get_rss,
+ .set_rss = hclgevf_set_rss,
+ .get_rss_tuple = hclgevf_get_rss_tuple,
+ .set_rss_tuple = hclgevf_set_rss_tuple,
+ .get_tc_size = hclgevf_get_tc_size,
+ .get_fw_version = hclgevf_get_fw_version,
+ .set_vlan_filter = hclgevf_set_vlan_filter,
+ .enable_vlan_filter = hclgevf_enable_vlan_filter,
+ .enable_hw_strip_rxvtag = hclgevf_en_hw_strip_rxvtag,
+ .reset_event = hclgevf_reset_event,
+ .set_default_reset_request = hclgevf_set_def_reset_request,
+ .set_channels = hclgevf_set_channels,
+ .get_channels = hclgevf_get_channels,
+ .get_tqps_and_rss_info = hclgevf_get_tqps_and_rss_info,
+ .get_regs_len = hclgevf_get_regs_len,
+ .get_regs = hclgevf_get_regs,
+ .get_status = hclgevf_get_status,
+ .get_ksettings_an_result = hclgevf_get_ksettings_an_result,
+ .get_media_type = hclgevf_get_media_type,
+ .get_hw_reset_stat = hclgevf_get_hw_reset_stat,
+ .ae_dev_resetting = hclgevf_ae_dev_resetting,
+ .ae_dev_reset_cnt = hclgevf_ae_dev_reset_cnt,
+ .set_gro_en = hclgevf_gro_en,
+ .set_mtu = hclgevf_set_mtu,
+ .get_global_queue_id = hclgevf_get_qid_global,
+ .set_timer_task = hclgevf_set_timer_task,
+ .get_link_mode = hclgevf_get_link_mode,
+ .set_promisc_mode = hclgevf_set_promisc_mode,
+ .request_update_promisc_mode = hclgevf_request_update_promisc_mode,
+ .get_cmdq_stat = hclgevf_get_cmdq_stat,
+};
+
+static struct hnae3_ae_algo ae_algovf = {
+ .ops = &hclgevf_ops,
+ .pdev_id_table = ae_algovf_pci_tbl,
+};
+
+static int __init hclgevf_init(void)
+{
+ pr_info("%s is initializing\n", HCLGEVF_NAME);
+
+ hclgevf_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGEVF_NAME);
+ if (!hclgevf_wq) {
+ pr_err("%s: failed to create workqueue\n", HCLGEVF_NAME);
+ return -ENOMEM;
+ }
+
+ hnae3_register_ae_algo(&ae_algovf);
+
+ return 0;
+}
+
+static void __exit hclgevf_exit(void)
+{
+ hnae3_unregister_ae_algo(&ae_algovf);
+ destroy_workqueue(hclgevf_wq);
+}
+module_init(hclgevf_init);
+module_exit(hclgevf_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Huawei Tech. Co., Ltd.");
+MODULE_DESCRIPTION("HCLGEVF Driver");
+MODULE_VERSION(HCLGEVF_MOD_VERSION);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
new file mode 100644
index 000000000..d65ace07b
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -0,0 +1,298 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2016-2017 Hisilicon Limited. */
+
+#ifndef __HCLGEVF_MAIN_H
+#define __HCLGEVF_MAIN_H
+#include <linux/fs.h>
+#include <linux/if_vlan.h>
+#include <linux/types.h>
+#include <net/devlink.h>
+#include "hclge_mbx.h"
+#include "hclgevf_cmd.h"
+#include "hnae3.h"
+#include "hclge_comm_rss.h"
+#include "hclge_comm_tqp_stats.h"
+
+#define HCLGEVF_MOD_VERSION "1.0"
+#define HCLGEVF_DRIVER_NAME "hclgevf"
+
+#define HCLGEVF_MAX_VLAN_ID 4095
+#define HCLGEVF_MISC_VECTOR_NUM 0
+
+#define HCLGEVF_INVALID_VPORT 0xffff
+#define HCLGEVF_GENERAL_TASK_INTERVAL 5
+#define HCLGEVF_KEEP_ALIVE_TASK_INTERVAL 2
+
+/* This number in actual depends upon the total number of VFs
+ * created by physical function. But the maximum number of
+ * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}.
+ */
+#define HCLGEVF_MAX_VF_VECTOR_NUM (32 + 1)
+
+#define HCLGEVF_VECTOR_REG_BASE 0x20000
+#define HCLGEVF_MISC_VECTOR_REG_BASE 0x20400
+#define HCLGEVF_VECTOR_REG_OFFSET 0x4
+#define HCLGEVF_VECTOR_VF_OFFSET 0x100000
+
+/* bar registers for common func */
+#define HCLGEVF_GRO_EN_REG 0x28000
+#define HCLGEVF_RXD_ADV_LAYOUT_EN_REG 0x28008
+
+/* bar registers for rcb */
+#define HCLGEVF_RING_RX_ADDR_L_REG 0x80000
+#define HCLGEVF_RING_RX_ADDR_H_REG 0x80004
+#define HCLGEVF_RING_RX_BD_NUM_REG 0x80008
+#define HCLGEVF_RING_RX_BD_LENGTH_REG 0x8000C
+#define HCLGEVF_RING_RX_MERGE_EN_REG 0x80014
+#define HCLGEVF_RING_RX_TAIL_REG 0x80018
+#define HCLGEVF_RING_RX_HEAD_REG 0x8001C
+#define HCLGEVF_RING_RX_FBD_NUM_REG 0x80020
+#define HCLGEVF_RING_RX_OFFSET_REG 0x80024
+#define HCLGEVF_RING_RX_FBD_OFFSET_REG 0x80028
+#define HCLGEVF_RING_RX_STASH_REG 0x80030
+#define HCLGEVF_RING_RX_BD_ERR_REG 0x80034
+#define HCLGEVF_RING_TX_ADDR_L_REG 0x80040
+#define HCLGEVF_RING_TX_ADDR_H_REG 0x80044
+#define HCLGEVF_RING_TX_BD_NUM_REG 0x80048
+#define HCLGEVF_RING_TX_PRIORITY_REG 0x8004C
+#define HCLGEVF_RING_TX_TC_REG 0x80050
+#define HCLGEVF_RING_TX_MERGE_EN_REG 0x80054
+#define HCLGEVF_RING_TX_TAIL_REG 0x80058
+#define HCLGEVF_RING_TX_HEAD_REG 0x8005C
+#define HCLGEVF_RING_TX_FBD_NUM_REG 0x80060
+#define HCLGEVF_RING_TX_OFFSET_REG 0x80064
+#define HCLGEVF_RING_TX_EBD_NUM_REG 0x80068
+#define HCLGEVF_RING_TX_EBD_OFFSET_REG 0x80070
+#define HCLGEVF_RING_TX_BD_ERR_REG 0x80074
+#define HCLGEVF_RING_EN_REG 0x80090
+
+/* bar registers for tqp interrupt */
+#define HCLGEVF_TQP_INTR_CTRL_REG 0x20000
+#define HCLGEVF_TQP_INTR_GL0_REG 0x20100
+#define HCLGEVF_TQP_INTR_GL1_REG 0x20200
+#define HCLGEVF_TQP_INTR_GL2_REG 0x20300
+#define HCLGEVF_TQP_INTR_RL_REG 0x20900
+
+/* CMDQ register bits for RX event(=MBX event) */
+#define HCLGEVF_VECTOR0_RX_CMDQ_INT_B 1
+/* RST register bits for RESET event */
+#define HCLGEVF_VECTOR0_RST_INT_B 2
+
+#define HCLGEVF_TQP_RESET_TRY_TIMES 10
+/* Reset related Registers */
+#define HCLGEVF_RST_ING 0x20C00
+#define HCLGEVF_FUN_RST_ING_BIT BIT(0)
+#define HCLGEVF_GLOBAL_RST_ING_BIT BIT(5)
+#define HCLGEVF_CORE_RST_ING_BIT BIT(6)
+#define HCLGEVF_IMP_RST_ING_BIT BIT(7)
+#define HCLGEVF_RST_ING_BITS \
+ (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \
+ HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT)
+
+#define HCLGEVF_VF_RST_ING 0x07008
+#define HCLGEVF_VF_RST_ING_BIT BIT(16)
+
+#define HCLGEVF_WAIT_RESET_DONE 100
+
+#define HCLGEVF_RSS_IND_TBL_SIZE 512
+
+#define HCLGEVF_TQP_MEM_SIZE 0x10000
+#define HCLGEVF_MEM_BAR 4
+/* in the bar4, the first half is for roce, and the second half is for nic */
+#define HCLGEVF_NIC_MEM_OFFSET(hdev) \
+ (pci_resource_len((hdev)->pdev, HCLGEVF_MEM_BAR) >> 1)
+#define HCLGEVF_TQP_MEM_OFFSET(hdev, i) \
+ (HCLGEVF_NIC_MEM_OFFSET(hdev) + HCLGEVF_TQP_MEM_SIZE * (i))
+
+#define HCLGEVF_MAC_MAX_FRAME 9728
+
+#define HCLGEVF_STATS_TIMER_INTERVAL 36U
+
+#define hclgevf_read_dev(a, reg) \
+ hclge_comm_read_reg((a)->hw.io_base, reg)
+#define hclgevf_write_dev(a, reg, value) \
+ hclge_comm_write_reg((a)->hw.io_base, reg, value)
+
+enum hclgevf_evt_cause {
+ HCLGEVF_VECTOR0_EVENT_RST,
+ HCLGEVF_VECTOR0_EVENT_MBX,
+ HCLGEVF_VECTOR0_EVENT_OTHER,
+};
+
+/* states of hclgevf device & tasks */
+enum hclgevf_states {
+ /* device states */
+ HCLGEVF_STATE_DOWN,
+ HCLGEVF_STATE_DISABLED,
+ HCLGEVF_STATE_IRQ_INITED,
+ HCLGEVF_STATE_REMOVING,
+ HCLGEVF_STATE_NIC_REGISTERED,
+ HCLGEVF_STATE_ROCE_REGISTERED,
+ HCLGEVF_STATE_SERVICE_INITED,
+ /* task states */
+ HCLGEVF_STATE_RST_SERVICE_SCHED,
+ HCLGEVF_STATE_RST_HANDLING,
+ HCLGEVF_STATE_MBX_SERVICE_SCHED,
+ HCLGEVF_STATE_MBX_HANDLING,
+ HCLGEVF_STATE_LINK_UPDATING,
+ HCLGEVF_STATE_PROMISC_CHANGED,
+ HCLGEVF_STATE_RST_FAIL,
+ HCLGEVF_STATE_PF_PUSH_LINK_STATUS,
+};
+
+struct hclgevf_mac {
+ u8 media_type;
+ u8 module_type;
+ u8 mac_addr[ETH_ALEN];
+ int link;
+ u8 duplex;
+ u32 speed;
+ u64 supported;
+ u64 advertising;
+};
+
+struct hclgevf_hw {
+ struct hclge_comm_hw hw;
+ int num_vec;
+ struct hclgevf_mac mac;
+};
+
+struct hclgevf_cfg {
+ u8 tc_num;
+ u16 tqp_desc_num;
+ u16 rx_buf_len;
+ u8 phy_addr;
+ u8 media_type;
+ u8 mac_addr[ETH_ALEN];
+ u32 numa_node_map;
+};
+
+struct hclgevf_misc_vector {
+ u8 __iomem *addr;
+ int vector_irq;
+ char name[HNAE3_INT_NAME_LEN];
+};
+
+struct hclgevf_rst_stats {
+ u32 rst_cnt; /* the number of reset */
+ u32 vf_func_rst_cnt; /* the number of VF function reset */
+ u32 flr_rst_cnt; /* the number of FLR */
+ u32 vf_rst_cnt; /* the number of VF reset */
+ u32 rst_done_cnt; /* the number of reset completed */
+ u32 hw_rst_done_cnt; /* the number of HW reset completed */
+ u32 rst_fail_cnt; /* the number of VF reset fail */
+};
+
+enum HCLGEVF_MAC_ADDR_TYPE {
+ HCLGEVF_MAC_ADDR_UC,
+ HCLGEVF_MAC_ADDR_MC
+};
+
+enum HCLGEVF_MAC_NODE_STATE {
+ HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ACTIVE
+};
+
+struct hclgevf_mac_addr_node {
+ struct list_head node;
+ enum HCLGEVF_MAC_NODE_STATE state;
+ u8 mac_addr[ETH_ALEN];
+};
+
+struct hclgevf_mac_table_cfg {
+ spinlock_t mac_list_lock; /* protect mac address need to add/detele */
+ struct list_head uc_mac_list;
+ struct list_head mc_mac_list;
+};
+
+struct hclgevf_dev {
+ struct pci_dev *pdev;
+ struct hnae3_ae_dev *ae_dev;
+ struct hclgevf_hw hw;
+ struct hclgevf_misc_vector misc_vector;
+ struct hclge_comm_rss_cfg rss_cfg;
+ unsigned long state;
+ unsigned long flr_state;
+ unsigned long default_reset_request;
+ unsigned long last_reset_time;
+ enum hnae3_reset_type reset_level;
+ unsigned long reset_pending;
+ enum hnae3_reset_type reset_type;
+ struct timer_list reset_timer;
+
+#define HCLGEVF_RESET_REQUESTED 0
+#define HCLGEVF_RESET_PENDING 1
+ unsigned long reset_state; /* requested, pending */
+ struct hclgevf_rst_stats rst_stats;
+ u32 reset_attempts;
+ struct semaphore reset_sem; /* protect reset process */
+
+ u32 fw_version;
+ u16 mbx_api_version;
+ u16 num_tqps; /* num task queue pairs of this VF */
+
+ u16 alloc_rss_size; /* allocated RSS task queue */
+ u16 rss_size_max; /* HW defined max RSS task queue */
+
+ u16 num_alloc_vport; /* num vports this driver supports */
+ u32 numa_node_mask;
+ u16 rx_buf_len;
+ u16 num_tx_desc; /* desc num of per tx queue */
+ u16 num_rx_desc; /* desc num of per rx queue */
+ u8 hw_tc_map;
+ u8 has_pf_mac;
+
+ u16 num_msi;
+ u16 num_msi_left;
+ u16 num_msi_used;
+ u16 num_nic_msix; /* Num of nic vectors for this VF */
+ u16 num_roce_msix; /* Num of roce vectors for this VF */
+ u16 roce_base_msix_offset;
+ u16 *vector_status;
+ int *vector_irq;
+
+ bool gro_en;
+
+ unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
+
+ struct hclgevf_mac_table_cfg mac_table;
+
+ struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
+ struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
+
+ struct delayed_work service_task;
+
+ struct hclge_comm_tqp *htqp;
+
+ struct hnae3_handle nic;
+ struct hnae3_handle roce;
+
+ struct hnae3_client *nic_client;
+ struct hnae3_client *roce_client;
+ u32 flag;
+ unsigned long serv_processed_cnt;
+ unsigned long last_serv_processed;
+
+ struct devlink *devlink;
+};
+
+static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
+{
+ return !!hdev->reset_pending;
+}
+
+int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
+ struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
+ u8 *resp_data, u16 resp_len);
+void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
+void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
+
+void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
+void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
+ u8 duplex);
+void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
+void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
+void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
+ struct hclge_mbx_port_base_vlan *port_base_vlan);
+#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
new file mode 100644
index 000000000..85c2a634c
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -0,0 +1,388 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2016-2017 Hisilicon Limited.
+
+#include "hclge_mbx.h"
+#include "hclgevf_main.h"
+#include "hnae3.h"
+
+#define CREATE_TRACE_POINTS
+#include "hclgevf_trace.h"
+
+static int hclgevf_resp_to_errno(u16 resp_code)
+{
+ return resp_code ? -resp_code : 0;
+}
+
+#define HCLGEVF_MBX_MATCH_ID_START 1
+static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev)
+{
+ /* this function should be called with mbx_resp.mbx_mutex held
+ * to protect the received_response from race condition
+ */
+ hdev->mbx_resp.received_resp = false;
+ hdev->mbx_resp.origin_mbx_msg = 0;
+ hdev->mbx_resp.resp_status = 0;
+ hdev->mbx_resp.match_id++;
+ /* Update match_id and ensure the value of match_id is not zero */
+ if (hdev->mbx_resp.match_id == 0)
+ hdev->mbx_resp.match_id = HCLGEVF_MBX_MATCH_ID_START;
+ memset(hdev->mbx_resp.additional_info, 0, HCLGE_MBX_MAX_RESP_DATA_SIZE);
+}
+
+/* hclgevf_get_mbx_resp: used to get a response from PF after VF sends a mailbox
+ * message to PF.
+ * @hdev: pointer to struct hclgevf_dev
+ * @code0: the message opcode VF send to PF.
+ * @code1: the message sub-opcode VF send to PF.
+ * @resp_data: pointer to store response data from PF to VF.
+ * @resp_len: the length of resp_data from PF to VF.
+ */
+static int hclgevf_get_mbx_resp(struct hclgevf_dev *hdev, u16 code0, u16 code1,
+ u8 *resp_data, u16 resp_len)
+{
+#define HCLGEVF_MAX_TRY_TIMES 500
+#define HCLGEVF_SLEEP_USECOND 1000
+ struct hclgevf_mbx_resp_status *mbx_resp;
+ u16 r_code0, r_code1;
+ int i = 0;
+
+ if (resp_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
+ dev_err(&hdev->pdev->dev,
+ "VF mbx response len(=%u) exceeds maximum(=%u)\n",
+ resp_len,
+ HCLGE_MBX_MAX_RESP_DATA_SIZE);
+ return -EINVAL;
+ }
+
+ while ((!hdev->mbx_resp.received_resp) && (i < HCLGEVF_MAX_TRY_TIMES)) {
+ if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE,
+ &hdev->hw.hw.comm_state))
+ return -EIO;
+
+ usleep_range(HCLGEVF_SLEEP_USECOND, HCLGEVF_SLEEP_USECOND * 2);
+ i++;
+ }
+
+ /* ensure additional_info will be seen after received_resp */
+ smp_rmb();
+
+ if (i >= HCLGEVF_MAX_TRY_TIMES) {
+ dev_err(&hdev->pdev->dev,
+ "VF could not get mbx(%u,%u) resp(=%d) from PF in %d tries\n",
+ code0, code1, hdev->mbx_resp.received_resp, i);
+ return -EIO;
+ }
+
+ mbx_resp = &hdev->mbx_resp;
+ r_code0 = (u16)(mbx_resp->origin_mbx_msg >> 16);
+ r_code1 = (u16)(mbx_resp->origin_mbx_msg & 0xff);
+
+ if (mbx_resp->resp_status)
+ return mbx_resp->resp_status;
+
+ if (resp_data)
+ memcpy(resp_data, &mbx_resp->additional_info[0], resp_len);
+
+ hclgevf_reset_mbx_resp_status(hdev);
+
+ if (!(r_code0 == code0 && r_code1 == code1 && !mbx_resp->resp_status)) {
+ dev_err(&hdev->pdev->dev,
+ "VF could not match resp code(code0=%u,code1=%u), %d\n",
+ code0, code1, mbx_resp->resp_status);
+ dev_err(&hdev->pdev->dev,
+ "VF could not match resp r_code(r_code0=%u,r_code1=%u)\n",
+ r_code0, r_code1);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
+ struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
+ u8 *resp_data, u16 resp_len)
+{
+ struct hclge_mbx_vf_to_pf_cmd *req;
+ struct hclge_desc desc;
+ int status;
+
+ req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data;
+
+ if (!send_msg) {
+ dev_err(&hdev->pdev->dev,
+ "failed to send mbx, msg is NULL\n");
+ return -EINVAL;
+ }
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false);
+ if (need_resp)
+ hnae3_set_bit(req->mbx_need_resp, HCLGE_MBX_NEED_RESP_B, 1);
+
+ memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg));
+
+ if (test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state))
+ trace_hclge_vf_mbx_send(hdev, req);
+
+ /* synchronous send */
+ if (need_resp) {
+ mutex_lock(&hdev->mbx_resp.mbx_mutex);
+ hclgevf_reset_mbx_resp_status(hdev);
+ req->match_id = cpu_to_le16(hdev->mbx_resp.match_id);
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "VF failed(=%d) to send mbx message to PF\n",
+ status);
+ mutex_unlock(&hdev->mbx_resp.mbx_mutex);
+ return status;
+ }
+
+ status = hclgevf_get_mbx_resp(hdev, send_msg->code,
+ send_msg->subcode, resp_data,
+ resp_len);
+ mutex_unlock(&hdev->mbx_resp.mbx_mutex);
+ } else {
+ /* asynchronous send */
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "VF failed(=%d) to send mbx message to PF\n",
+ status);
+ return status;
+ }
+ }
+
+ return status;
+}
+
+static bool hclgevf_cmd_crq_empty(struct hclgevf_hw *hw)
+{
+ u32 tail = hclgevf_read_dev(hw, HCLGE_COMM_NIC_CRQ_TAIL_REG);
+
+ return tail == hw->hw.cmq.crq.next_to_use;
+}
+
+static void hclgevf_handle_mbx_response(struct hclgevf_dev *hdev,
+ struct hclge_mbx_pf_to_vf_cmd *req)
+{
+ u16 vf_mbx_msg_subcode = le16_to_cpu(req->msg.vf_mbx_msg_subcode);
+ u16 vf_mbx_msg_code = le16_to_cpu(req->msg.vf_mbx_msg_code);
+ struct hclgevf_mbx_resp_status *resp = &hdev->mbx_resp;
+ u16 resp_status = le16_to_cpu(req->msg.resp_status);
+ u16 match_id = le16_to_cpu(req->match_id);
+
+ if (resp->received_resp)
+ dev_warn(&hdev->pdev->dev,
+ "VF mbx resp flag not clear(%u)\n",
+ vf_mbx_msg_code);
+
+ resp->origin_mbx_msg = (vf_mbx_msg_code << 16);
+ resp->origin_mbx_msg |= vf_mbx_msg_subcode;
+ resp->resp_status = hclgevf_resp_to_errno(resp_status);
+ memcpy(resp->additional_info, req->msg.resp_data,
+ HCLGE_MBX_MAX_RESP_DATA_SIZE * sizeof(u8));
+
+ /* ensure additional_info will be seen before setting received_resp */
+ smp_wmb();
+
+ if (match_id) {
+ /* If match_id is not zero, it means PF support match_id.
+ * if the match_id is right, VF get the right response, or
+ * ignore the response. and driver will clear hdev->mbx_resp
+ * when send next message which need response.
+ */
+ if (match_id == resp->match_id)
+ resp->received_resp = true;
+ } else {
+ resp->received_resp = true;
+ }
+}
+
+static void hclgevf_handle_mbx_msg(struct hclgevf_dev *hdev,
+ struct hclge_mbx_pf_to_vf_cmd *req)
+{
+ /* we will drop the async msg if we find ARQ as full
+ * and continue with next message
+ */
+ if (atomic_read(&hdev->arq.count) >=
+ HCLGE_MBX_MAX_ARQ_MSG_NUM) {
+ dev_warn(&hdev->pdev->dev,
+ "Async Q full, dropping msg(%u)\n",
+ le16_to_cpu(req->msg.code));
+ return;
+ }
+
+ /* tail the async message in arq */
+ memcpy(hdev->arq.msg_q[hdev->arq.tail], &req->msg,
+ HCLGE_MBX_MAX_ARQ_MSG_SIZE * sizeof(u16));
+ hclge_mbx_tail_ptr_move_arq(hdev->arq);
+ atomic_inc(&hdev->arq.count);
+
+ hclgevf_mbx_task_schedule(hdev);
+}
+
+void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
+{
+ struct hclge_mbx_pf_to_vf_cmd *req;
+ struct hclge_comm_cmq_ring *crq;
+ struct hclge_desc *desc;
+ u16 flag;
+ u16 code;
+
+ crq = &hdev->hw.hw.cmq.crq;
+
+ while (!hclgevf_cmd_crq_empty(&hdev->hw)) {
+ if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE,
+ &hdev->hw.hw.comm_state)) {
+ dev_info(&hdev->pdev->dev, "vf crq need init\n");
+ return;
+ }
+
+ desc = &crq->desc[crq->next_to_use];
+ req = (struct hclge_mbx_pf_to_vf_cmd *)desc->data;
+
+ flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
+ code = le16_to_cpu(req->msg.code);
+ if (unlikely(!hnae3_get_bit(flag, HCLGEVF_CMDQ_RX_OUTVLD_B))) {
+ dev_warn(&hdev->pdev->dev,
+ "dropped invalid mailbox message, code = %u\n",
+ code);
+
+ /* dropping/not processing this invalid message */
+ crq->desc[crq->next_to_use].flag = 0;
+ hclge_mbx_ring_ptr_move_crq(crq);
+ continue;
+ }
+
+ trace_hclge_vf_mbx_get(hdev, req);
+
+ /* synchronous messages are time critical and need preferential
+ * treatment. Therefore, we need to acknowledge all the sync
+ * responses as quickly as possible so that waiting tasks do not
+ * timeout and simultaneously queue the async messages for later
+ * prcessing in context of mailbox task i.e. the slow path.
+ */
+ switch (code) {
+ case HCLGE_MBX_PF_VF_RESP:
+ hclgevf_handle_mbx_response(hdev, req);
+ break;
+ case HCLGE_MBX_LINK_STAT_CHANGE:
+ case HCLGE_MBX_ASSERTING_RESET:
+ case HCLGE_MBX_LINK_STAT_MODE:
+ case HCLGE_MBX_PUSH_VLAN_INFO:
+ case HCLGE_MBX_PUSH_PROMISC_INFO:
+ hclgevf_handle_mbx_msg(hdev, req);
+ break;
+ default:
+ dev_err(&hdev->pdev->dev,
+ "VF received unsupported(%u) mbx msg from PF\n",
+ code);
+ break;
+ }
+ crq->desc[crq->next_to_use].flag = 0;
+ hclge_mbx_ring_ptr_move_crq(crq);
+ }
+
+ /* Write back CMDQ_RQ header pointer, M7 need this pointer */
+ hclgevf_write_dev(&hdev->hw, HCLGE_COMM_NIC_CRQ_HEAD_REG,
+ crq->next_to_use);
+}
+
+static void hclgevf_parse_promisc_info(struct hclgevf_dev *hdev,
+ u16 promisc_info)
+{
+ if (!promisc_info)
+ dev_info(&hdev->pdev->dev,
+ "Promisc mode is closed by host for being untrusted.\n");
+}
+
+void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev)
+{
+ struct hclge_mbx_port_base_vlan *vlan_info;
+ struct hclge_mbx_link_status *link_info;
+ struct hclge_mbx_link_mode *link_mode;
+ enum hnae3_reset_type reset_type;
+ u16 link_status, state;
+ __le16 *msg_q;
+ u16 opcode;
+ u8 duplex;
+ u32 speed;
+ u32 tail;
+ u8 flag;
+ u16 idx;
+
+ tail = hdev->arq.tail;
+
+ /* process all the async queue messages */
+ while (tail != hdev->arq.head) {
+ if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE,
+ &hdev->hw.hw.comm_state)) {
+ dev_info(&hdev->pdev->dev,
+ "vf crq need init in async\n");
+ return;
+ }
+
+ msg_q = hdev->arq.msg_q[hdev->arq.head];
+ opcode = le16_to_cpu(msg_q[0]);
+ switch (opcode) {
+ case HCLGE_MBX_LINK_STAT_CHANGE:
+ link_info = (struct hclge_mbx_link_status *)(msg_q + 1);
+ link_status = le16_to_cpu(link_info->link_status);
+ speed = le32_to_cpu(link_info->speed);
+ duplex = (u8)le16_to_cpu(link_info->duplex);
+ flag = link_info->flag;
+
+ /* update upper layer with new link link status */
+ hclgevf_update_speed_duplex(hdev, speed, duplex);
+ hclgevf_update_link_status(hdev, link_status);
+
+ if (flag & HCLGE_MBX_PUSH_LINK_STATUS_EN)
+ set_bit(HCLGEVF_STATE_PF_PUSH_LINK_STATUS,
+ &hdev->state);
+
+ break;
+ case HCLGE_MBX_LINK_STAT_MODE:
+ link_mode = (struct hclge_mbx_link_mode *)(msg_q + 1);
+ idx = le16_to_cpu(link_mode->idx);
+ if (idx)
+ hdev->hw.mac.supported =
+ le64_to_cpu(link_mode->link_mode);
+ else
+ hdev->hw.mac.advertising =
+ le64_to_cpu(link_mode->link_mode);
+ break;
+ case HCLGE_MBX_ASSERTING_RESET:
+ /* PF has asserted reset hence VF should go in pending
+ * state and poll for the hardware reset status till it
+ * has been completely reset. After this stack should
+ * eventually be re-initialized.
+ */
+ reset_type =
+ (enum hnae3_reset_type)le16_to_cpu(msg_q[1]);
+ set_bit(reset_type, &hdev->reset_pending);
+ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
+ hclgevf_reset_task_schedule(hdev);
+
+ break;
+ case HCLGE_MBX_PUSH_VLAN_INFO:
+ vlan_info =
+ (struct hclge_mbx_port_base_vlan *)(msg_q + 1);
+ state = le16_to_cpu(vlan_info->state);
+ hclgevf_update_port_base_vlan_info(hdev, state,
+ vlan_info);
+ break;
+ case HCLGE_MBX_PUSH_PROMISC_INFO:
+ hclgevf_parse_promisc_info(hdev, le16_to_cpu(msg_q[1]));
+ break;
+ default:
+ dev_err(&hdev->pdev->dev,
+ "fetched unsupported(%u) message from arq\n",
+ opcode);
+ break;
+ }
+
+ hclge_mbx_head_ptr_move_arq(hdev->arq);
+ atomic_dec(&hdev->arq.count);
+ msg_q = hdev->arq.msg_q[hdev->arq.head];
+ }
+}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
new file mode 100644
index 000000000..5d4895bb5
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2018-2019 Hisilicon Limited. */
+
+/* This must be outside ifdef _HCLGEVF_TRACE_H */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hns3
+
+#if !defined(_HCLGEVF_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _HCLGEVF_TRACE_H_
+
+#include <linux/tracepoint.h>
+
+#define VF_GET_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))
+#define VF_SEND_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
+
+TRACE_EVENT(hclge_vf_mbx_get,
+ TP_PROTO(
+ struct hclgevf_dev *hdev,
+ struct hclge_mbx_pf_to_vf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u16, code)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->nic.kinfo.netdev->name)
+ __array(u32, mbx_data, VF_GET_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->dest_vfid;
+ __entry->code = le16_to_cpu(req->msg.code);
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_pf_to_vf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code,
+ __print_array(__entry->mbx_data, VF_GET_MBX_LEN, sizeof(u32))
+ )
+);
+
+TRACE_EVENT(hclge_vf_mbx_send,
+ TP_PROTO(
+ struct hclgevf_dev *hdev,
+ struct hclge_mbx_vf_to_pf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u8, code)
+ __field(u8, subcode)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->nic.kinfo.netdev->name)
+ __array(u32, mbx_data, VF_SEND_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->mbx_src_vfid;
+ __entry->code = req->msg.code;
+ __entry->subcode = req->msg.subcode;
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_vf_to_pf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u subcode:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code, __entry->subcode,
+ __print_array(__entry->mbx_data, VF_SEND_MBX_LEN, sizeof(u32))
+ )
+);
+
+#endif /* _HCLGEVF_TRACE_H_ */
+
+/* This must be outside ifdef _HCLGEVF_TRACE_H */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE hclgevf_trace
+#include <trace/define_trace.h>