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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/hisilicon/hns3/hns3vf
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
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/Makefile10
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c488
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h317
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c3739
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h351
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c351
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h87
7 files changed, 5343 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
new file mode 100644
index 000000000..2c26ea607
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Makefile for the HISILICON network device drivers.
+#
+
+ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
+ccflags-y += -I $(srctree)/$(src)
+
+obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o
+hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
new file mode 100644
index 000000000..cae6db17c
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -0,0 +1,488 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2016-2017 Hisilicon Limited.
+
+#include <linux/device.h>
+#include <linux/dma-direction.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include "hclgevf_cmd.h"
+#include "hclgevf_main.h"
+#include "hnae3.h"
+
+#define cmq_ring_to_dev(ring) (&(ring)->dev->pdev->dev)
+
+static int hclgevf_ring_space(struct hclgevf_cmq_ring *ring)
+{
+ int ntc = ring->next_to_clean;
+ int ntu = ring->next_to_use;
+ int used;
+
+ used = (ntu - ntc + ring->desc_num) % ring->desc_num;
+
+ return ring->desc_num - used - 1;
+}
+
+static int hclgevf_is_valid_csq_clean_head(struct hclgevf_cmq_ring *ring,
+ int head)
+{
+ int ntu = ring->next_to_use;
+ int ntc = ring->next_to_clean;
+
+ if (ntu > ntc)
+ return head >= ntc && head <= ntu;
+
+ return head >= ntc || head <= ntu;
+}
+
+static int hclgevf_cmd_csq_clean(struct hclgevf_hw *hw)
+{
+ struct hclgevf_dev *hdev = container_of(hw, struct hclgevf_dev, hw);
+ struct hclgevf_cmq_ring *csq = &hw->cmq.csq;
+ int clean;
+ u32 head;
+
+ head = hclgevf_read_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG);
+ rmb(); /* Make sure head is ready before touch any data */
+
+ if (!hclgevf_is_valid_csq_clean_head(csq, head)) {
+ dev_warn(&hdev->pdev->dev, "wrong cmd head (%u, %d-%d)\n", head,
+ csq->next_to_use, csq->next_to_clean);
+ dev_warn(&hdev->pdev->dev,
+ "Disabling any further commands to IMP firmware\n");
+ set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+ return -EIO;
+ }
+
+ clean = (head - csq->next_to_clean + csq->desc_num) % csq->desc_num;
+ csq->next_to_clean = head;
+ return clean;
+}
+
+static bool hclgevf_cmd_csq_done(struct hclgevf_hw *hw)
+{
+ u32 head;
+
+ head = hclgevf_read_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG);
+
+ return head == hw->cmq.csq.next_to_use;
+}
+
+static bool hclgevf_is_special_opcode(u16 opcode)
+{
+ static const u16 spec_opcode[] = {0x30, 0x31, 0x32};
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(spec_opcode); i++) {
+ if (spec_opcode[i] == opcode)
+ return true;
+ }
+
+ return false;
+}
+
+static void hclgevf_cmd_config_regs(struct hclgevf_cmq_ring *ring)
+{
+ struct hclgevf_dev *hdev = ring->dev;
+ struct hclgevf_hw *hw = &hdev->hw;
+ u32 reg_val;
+
+ if (ring->flag == HCLGEVF_TYPE_CSQ) {
+ reg_val = lower_32_bits(ring->desc_dma_addr);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_BASEADDR_L_REG, reg_val);
+ reg_val = upper_32_bits(ring->desc_dma_addr);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_BASEADDR_H_REG, reg_val);
+
+ reg_val = hclgevf_read_dev(hw, HCLGEVF_NIC_CSQ_DEPTH_REG);
+ reg_val &= HCLGEVF_NIC_SW_RST_RDY;
+ reg_val |= (ring->desc_num >> HCLGEVF_NIC_CMQ_DESC_NUM_S);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_DEPTH_REG, reg_val);
+
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_TAIL_REG, 0);
+ } else {
+ reg_val = lower_32_bits(ring->desc_dma_addr);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_BASEADDR_L_REG, reg_val);
+ reg_val = upper_32_bits(ring->desc_dma_addr);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_BASEADDR_H_REG, reg_val);
+
+ reg_val = (ring->desc_num >> HCLGEVF_NIC_CMQ_DESC_NUM_S);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_DEPTH_REG, reg_val);
+
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_HEAD_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_TAIL_REG, 0);
+ }
+}
+
+static void hclgevf_cmd_init_regs(struct hclgevf_hw *hw)
+{
+ hclgevf_cmd_config_regs(&hw->cmq.csq);
+ hclgevf_cmd_config_regs(&hw->cmq.crq);
+}
+
+static int hclgevf_alloc_cmd_desc(struct hclgevf_cmq_ring *ring)
+{
+ int size = ring->desc_num * sizeof(struct hclgevf_desc);
+
+ ring->desc = dma_alloc_coherent(cmq_ring_to_dev(ring), size,
+ &ring->desc_dma_addr, GFP_KERNEL);
+ if (!ring->desc)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void hclgevf_free_cmd_desc(struct hclgevf_cmq_ring *ring)
+{
+ int size = ring->desc_num * sizeof(struct hclgevf_desc);
+
+ if (ring->desc) {
+ dma_free_coherent(cmq_ring_to_dev(ring), size,
+ ring->desc, ring->desc_dma_addr);
+ ring->desc = NULL;
+ }
+}
+
+static int hclgevf_alloc_cmd_queue(struct hclgevf_dev *hdev, int ring_type)
+{
+ struct hclgevf_hw *hw = &hdev->hw;
+ struct hclgevf_cmq_ring *ring =
+ (ring_type == HCLGEVF_TYPE_CSQ) ? &hw->cmq.csq : &hw->cmq.crq;
+ int ret;
+
+ ring->dev = hdev;
+ ring->flag = ring_type;
+
+ /* allocate CSQ/CRQ descriptor */
+ ret = hclgevf_alloc_cmd_desc(ring);
+ if (ret)
+ dev_err(&hdev->pdev->dev, "failed(%d) to alloc %s desc\n", ret,
+ (ring_type == HCLGEVF_TYPE_CSQ) ? "CSQ" : "CRQ");
+
+ return ret;
+}
+
+void hclgevf_cmd_setup_basic_desc(struct hclgevf_desc *desc,
+ enum hclgevf_opcode_type opcode, bool is_read)
+{
+ memset(desc, 0, sizeof(struct hclgevf_desc));
+ desc->opcode = cpu_to_le16(opcode);
+ desc->flag = cpu_to_le16(HCLGEVF_CMD_FLAG_NO_INTR |
+ HCLGEVF_CMD_FLAG_IN);
+ if (is_read)
+ desc->flag |= cpu_to_le16(HCLGEVF_CMD_FLAG_WR);
+ else
+ desc->flag &= cpu_to_le16(~HCLGEVF_CMD_FLAG_WR);
+}
+
+static int hclgevf_cmd_convert_err_code(u16 desc_ret)
+{
+ switch (desc_ret) {
+ case HCLGEVF_CMD_EXEC_SUCCESS:
+ return 0;
+ case HCLGEVF_CMD_NO_AUTH:
+ return -EPERM;
+ case HCLGEVF_CMD_NOT_SUPPORTED:
+ return -EOPNOTSUPP;
+ case HCLGEVF_CMD_QUEUE_FULL:
+ return -EXFULL;
+ case HCLGEVF_CMD_NEXT_ERR:
+ return -ENOSR;
+ case HCLGEVF_CMD_UNEXE_ERR:
+ return -ENOTBLK;
+ case HCLGEVF_CMD_PARA_ERR:
+ return -EINVAL;
+ case HCLGEVF_CMD_RESULT_ERR:
+ return -ERANGE;
+ case HCLGEVF_CMD_TIMEOUT:
+ return -ETIME;
+ case HCLGEVF_CMD_HILINK_ERR:
+ return -ENOLINK;
+ case HCLGEVF_CMD_QUEUE_ILLEGAL:
+ return -ENXIO;
+ case HCLGEVF_CMD_INVALID:
+ return -EBADR;
+ default:
+ return -EIO;
+ }
+}
+
+/* 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 hclgevf_desc *desc, int num)
+{
+ struct hclgevf_dev *hdev = (struct hclgevf_dev *)hw->hdev;
+ struct hclgevf_cmq_ring *csq = &hw->cmq.csq;
+ struct hclgevf_desc *desc_to_use;
+ bool complete = false;
+ u32 timeout = 0;
+ int handle = 0;
+ int status = 0;
+ u16 retval;
+ u16 opcode;
+ int ntc;
+
+ spin_lock_bh(&hw->cmq.csq.lock);
+
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) {
+ spin_unlock_bh(&hw->cmq.csq.lock);
+ return -EBUSY;
+ }
+
+ if (num > hclgevf_ring_space(&hw->cmq.csq)) {
+ /* If CMDQ ring is full, SW HEAD and HW HEAD may be different,
+ * need update the SW HEAD pointer csq->next_to_clean
+ */
+ csq->next_to_clean = hclgevf_read_dev(hw,
+ HCLGEVF_NIC_CSQ_HEAD_REG);
+ spin_unlock_bh(&hw->cmq.csq.lock);
+ return -EBUSY;
+ }
+
+ /* Record the location of desc in the ring for this time
+ * which will be use for hardware to write back
+ */
+ ntc = hw->cmq.csq.next_to_use;
+ opcode = le16_to_cpu(desc[0].opcode);
+ while (handle < num) {
+ desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use];
+ *desc_to_use = desc[handle];
+ (hw->cmq.csq.next_to_use)++;
+ if (hw->cmq.csq.next_to_use == hw->cmq.csq.desc_num)
+ hw->cmq.csq.next_to_use = 0;
+ handle++;
+ }
+
+ /* Write to hardware */
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_TAIL_REG,
+ hw->cmq.csq.next_to_use);
+
+ /* If the command is sync, wait for the firmware to write back,
+ * if multi descriptors to be sent, use the first one to check
+ */
+ if (HCLGEVF_SEND_SYNC(le16_to_cpu(desc->flag))) {
+ do {
+ if (hclgevf_cmd_csq_done(hw))
+ break;
+ udelay(1);
+ timeout++;
+ } while (timeout < hw->cmq.tx_timeout);
+ }
+
+ if (hclgevf_cmd_csq_done(hw)) {
+ complete = true;
+ handle = 0;
+
+ while (handle < num) {
+ /* Get the result of hardware write back */
+ desc_to_use = &hw->cmq.csq.desc[ntc];
+ desc[handle] = *desc_to_use;
+
+ if (likely(!hclgevf_is_special_opcode(opcode)))
+ retval = le16_to_cpu(desc[handle].retval);
+ else
+ retval = le16_to_cpu(desc[0].retval);
+
+ status = hclgevf_cmd_convert_err_code(retval);
+ hw->cmq.last_status = (enum hclgevf_cmd_status)retval;
+ ntc++;
+ handle++;
+ if (ntc == hw->cmq.csq.desc_num)
+ ntc = 0;
+ }
+ }
+
+ if (!complete)
+ status = -EBADE;
+
+ /* Clean the command send queue */
+ handle = hclgevf_cmd_csq_clean(hw);
+ if (handle != num)
+ dev_warn(&hdev->pdev->dev,
+ "cleaned %d, need to clean %d\n", handle, num);
+
+ spin_unlock_bh(&hw->cmq.csq.lock);
+
+ return status;
+}
+
+static void hclgevf_set_default_capability(struct hclgevf_dev *hdev)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+
+ set_bit(HNAE3_DEV_SUPPORT_FD_B, ae_dev->caps);
+ set_bit(HNAE3_DEV_SUPPORT_GRO_B, ae_dev->caps);
+ set_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
+}
+
+static void hclgevf_parse_capability(struct hclgevf_dev *hdev,
+ struct hclgevf_query_version_cmd *cmd)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+ u32 caps;
+
+ caps = __le32_to_cpu(cmd->caps[0]);
+
+ if (hnae3_get_bit(caps, HCLGEVF_CAP_UDP_GSO_B))
+ set_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps);
+ if (hnae3_get_bit(caps, HCLGEVF_CAP_INT_QL_B))
+ set_bit(HNAE3_DEV_SUPPORT_INT_QL_B, ae_dev->caps);
+ if (hnae3_get_bit(caps, HCLGEVF_CAP_TQP_TXRX_INDEP_B))
+ set_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, ae_dev->caps);
+}
+
+static int hclgevf_cmd_query_version_and_capability(struct hclgevf_dev *hdev)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+ struct hclgevf_query_version_cmd *resp;
+ struct hclgevf_desc desc;
+ int status;
+
+ resp = (struct hclgevf_query_version_cmd *)desc.data;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_FW_VER, 1);
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status)
+ return status;
+
+ hdev->fw_version = le32_to_cpu(resp->firmware);
+
+ ae_dev->dev_version = le32_to_cpu(resp->hardware) <<
+ HNAE3_PCI_REVISION_BIT_SIZE;
+ ae_dev->dev_version |= hdev->pdev->revision;
+
+ if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
+ hclgevf_set_default_capability(hdev);
+
+ hclgevf_parse_capability(hdev, resp);
+
+ return status;
+}
+
+int hclgevf_cmd_queue_init(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ /* Setup the lock for command queue */
+ spin_lock_init(&hdev->hw.cmq.csq.lock);
+ spin_lock_init(&hdev->hw.cmq.crq.lock);
+
+ hdev->hw.cmq.tx_timeout = HCLGEVF_CMDQ_TX_TIMEOUT;
+ hdev->hw.cmq.csq.desc_num = HCLGEVF_NIC_CMQ_DESC_NUM;
+ hdev->hw.cmq.crq.desc_num = HCLGEVF_NIC_CMQ_DESC_NUM;
+
+ ret = hclgevf_alloc_cmd_queue(hdev, HCLGEVF_TYPE_CSQ);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "CSQ ring setup error %d\n", ret);
+ return ret;
+ }
+
+ ret = hclgevf_alloc_cmd_queue(hdev, HCLGEVF_TYPE_CRQ);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "CRQ ring setup error %d\n", ret);
+ goto err_csq;
+ }
+
+ return 0;
+err_csq:
+ hclgevf_free_cmd_desc(&hdev->hw.cmq.csq);
+ return ret;
+}
+
+int hclgevf_cmd_init(struct hclgevf_dev *hdev)
+{
+ int ret;
+
+ spin_lock_bh(&hdev->hw.cmq.csq.lock);
+ spin_lock(&hdev->hw.cmq.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);
+ hdev->hw.cmq.csq.next_to_clean = 0;
+ hdev->hw.cmq.csq.next_to_use = 0;
+ hdev->hw.cmq.crq.next_to_clean = 0;
+ hdev->hw.cmq.crq.next_to_use = 0;
+
+ hclgevf_cmd_init_regs(&hdev->hw);
+
+ spin_unlock(&hdev->hw.cmq.crq.lock);
+ spin_unlock_bh(&hdev->hw.cmq.csq.lock);
+
+ clear_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+
+ /* Check if there is new reset pending, because the higher level
+ * reset may happen when lower level reset is being processed.
+ */
+ if (hclgevf_is_reset_pending(hdev)) {
+ ret = -EBUSY;
+ goto err_cmd_init;
+ }
+
+ /* get version and device capabilities */
+ ret = hclgevf_cmd_query_version_and_capability(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to query version and capabilities, ret = %d\n", ret);
+ goto err_cmd_init;
+ }
+
+ dev_info(&hdev->pdev->dev, "The firmware version is %lu.%lu.%lu.%lu\n",
+ 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 0;
+
+err_cmd_init:
+ set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+
+ return ret;
+}
+
+static void hclgevf_cmd_uninit_regs(struct hclgevf_hw *hw)
+{
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_BASEADDR_L_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_BASEADDR_H_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_DEPTH_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_TAIL_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_BASEADDR_L_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_BASEADDR_H_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_DEPTH_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_HEAD_REG, 0);
+ hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_TAIL_REG, 0);
+}
+
+void hclgevf_cmd_uninit(struct hclgevf_dev *hdev)
+{
+ set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+ /* wait to ensure that the firmware completes the possible left
+ * over commands.
+ */
+ msleep(HCLGEVF_CMDQ_CLEAR_WAIT_TIME);
+ spin_lock_bh(&hdev->hw.cmq.csq.lock);
+ spin_lock(&hdev->hw.cmq.crq.lock);
+ hclgevf_cmd_uninit_regs(&hdev->hw);
+ spin_unlock(&hdev->hw.cmq.crq.lock);
+ spin_unlock_bh(&hdev->hw.cmq.csq.lock);
+
+ hclgevf_free_cmd_desc(&hdev->hw.cmq.csq);
+ hclgevf_free_cmd_desc(&hdev->hw.cmq.crq);
+}
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..f90ff8a84
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -0,0 +1,317 @@
+/* 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"
+
+#define HCLGEVF_CMDQ_TX_TIMEOUT 30000
+#define HCLGEVF_CMDQ_CLEAR_WAIT_TIME 200
+#define HCLGEVF_CMDQ_RX_INVLD_B 0
+#define HCLGEVF_CMDQ_RX_OUTVLD_B 1
+
+struct hclgevf_hw;
+struct hclgevf_dev;
+
+struct hclgevf_desc {
+ __le16 opcode;
+ __le16 flag;
+ __le16 retval;
+ __le16 rsv;
+ __le32 data[6];
+};
+
+struct hclgevf_desc_cb {
+ dma_addr_t dma;
+ void *va;
+ u32 length;
+};
+
+struct hclgevf_cmq_ring {
+ dma_addr_t desc_dma_addr;
+ struct hclgevf_desc *desc;
+ struct hclgevf_desc_cb *desc_cb;
+ struct hclgevf_dev *dev;
+ u32 head;
+ u32 tail;
+
+ u16 buf_size;
+ u16 desc_num;
+ int next_to_use;
+ int next_to_clean;
+ u8 flag;
+ spinlock_t lock; /* Command queue lock */
+};
+
+enum hclgevf_cmd_return_status {
+ HCLGEVF_CMD_EXEC_SUCCESS = 0,
+ HCLGEVF_CMD_NO_AUTH = 1,
+ HCLGEVF_CMD_NOT_SUPPORTED = 2,
+ HCLGEVF_CMD_QUEUE_FULL = 3,
+ HCLGEVF_CMD_NEXT_ERR = 4,
+ HCLGEVF_CMD_UNEXE_ERR = 5,
+ HCLGEVF_CMD_PARA_ERR = 6,
+ HCLGEVF_CMD_RESULT_ERR = 7,
+ HCLGEVF_CMD_TIMEOUT = 8,
+ HCLGEVF_CMD_HILINK_ERR = 9,
+ HCLGEVF_CMD_QUEUE_ILLEGAL = 10,
+ HCLGEVF_CMD_INVALID = 11,
+};
+
+enum hclgevf_cmd_status {
+ HCLGEVF_STATUS_SUCCESS = 0,
+ HCLGEVF_ERR_CSQ_FULL = -1,
+ HCLGEVF_ERR_CSQ_TIMEOUT = -2,
+ HCLGEVF_ERR_CSQ_ERROR = -3
+};
+
+struct hclgevf_cmq {
+ struct hclgevf_cmq_ring csq;
+ struct hclgevf_cmq_ring crq;
+ u16 tx_timeout; /* Tx timeout */
+ enum hclgevf_cmd_status last_status;
+};
+
+#define HCLGEVF_CMD_FLAG_IN_VALID_SHIFT 0
+#define HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT 1
+#define HCLGEVF_CMD_FLAG_NEXT_SHIFT 2
+#define HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT 3
+#define HCLGEVF_CMD_FLAG_NO_INTR_SHIFT 4
+#define HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT 5
+
+#define HCLGEVF_CMD_FLAG_IN BIT(HCLGEVF_CMD_FLAG_IN_VALID_SHIFT)
+#define HCLGEVF_CMD_FLAG_OUT BIT(HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT)
+#define HCLGEVF_CMD_FLAG_NEXT BIT(HCLGEVF_CMD_FLAG_NEXT_SHIFT)
+#define HCLGEVF_CMD_FLAG_WR BIT(HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT)
+#define HCLGEVF_CMD_FLAG_NO_INTR BIT(HCLGEVF_CMD_FLAG_NO_INTR_SHIFT)
+#define HCLGEVF_CMD_FLAG_ERR_INTR BIT(HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT)
+
+enum hclgevf_opcode_type {
+ /* Generic command */
+ HCLGEVF_OPC_QUERY_FW_VER = 0x0001,
+ HCLGEVF_OPC_QUERY_VF_RSRC = 0x0024,
+ HCLGEVF_OPC_QUERY_DEV_SPECS = 0x0050,
+
+ /* TQP command */
+ HCLGEVF_OPC_QUERY_TX_STATUS = 0x0B03,
+ HCLGEVF_OPC_QUERY_RX_STATUS = 0x0B13,
+ HCLGEVF_OPC_CFG_COM_TQP_QUEUE = 0x0B20,
+ /* GRO command */
+ HCLGEVF_OPC_GRO_GENERIC_CONFIG = 0x0C10,
+ /* RSS cmd */
+ HCLGEVF_OPC_RSS_GENERIC_CONFIG = 0x0D01,
+ HCLGEVF_OPC_RSS_INPUT_TUPLE = 0x0D02,
+ HCLGEVF_OPC_RSS_INDIR_TABLE = 0x0D07,
+ HCLGEVF_OPC_RSS_TC_MODE = 0x0D08,
+ /* Mailbox cmd */
+ HCLGEVF_OPC_MBX_VF_TO_PF = 0x2001,
+};
+
+#define HCLGEVF_TQP_REG_OFFSET 0x80000
+#define HCLGEVF_TQP_REG_SIZE 0x200
+
+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;
+};
+
+enum HCLGEVF_CAP_BITS {
+ HCLGEVF_CAP_UDP_GSO_B,
+ HCLGEVF_CAP_QB_B,
+ HCLGEVF_CAP_FD_FORWARD_TC_B,
+ HCLGEVF_CAP_PTP_B,
+ HCLGEVF_CAP_INT_QL_B,
+ HCLGEVF_CAP_SIMPLE_BD_B,
+ HCLGEVF_CAP_TX_PUSH_B,
+ HCLGEVF_CAP_PHY_IMP_B,
+ HCLGEVF_CAP_TQP_TXRX_INDEP_B,
+ HCLGEVF_CAP_HW_PAD_B,
+ HCLGEVF_CAP_STASH_B,
+};
+
+#define HCLGEVF_QUERY_CAP_LENGTH 3
+struct hclgevf_query_version_cmd {
+ __le32 firmware;
+ __le32 hardware;
+ __le32 rsv;
+ __le32 caps[HCLGEVF_QUERY_CAP_LENGTH]; /* capabilities of device */
+};
+
+#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_RSS_DEFAULT_OUTPORT_B 4
+#define HCLGEVF_RSS_HASH_KEY_OFFSET_B 4
+#define HCLGEVF_RSS_HASH_KEY_NUM 16
+struct hclgevf_rss_config_cmd {
+ u8 hash_config;
+ u8 rsv[7];
+ u8 hash_key[HCLGEVF_RSS_HASH_KEY_NUM];
+};
+
+struct hclgevf_rss_input_tuple_cmd {
+ u8 ipv4_tcp_en;
+ u8 ipv4_udp_en;
+ u8 ipv4_sctp_en;
+ u8 ipv4_fragment_en;
+ u8 ipv6_tcp_en;
+ u8 ipv6_udp_en;
+ u8 ipv6_sctp_en;
+ u8 ipv6_fragment_en;
+ u8 rsv[16];
+};
+
+#define HCLGEVF_RSS_CFG_TBL_SIZE 16
+
+struct hclgevf_rss_indirection_table_cmd {
+ u16 start_table_index;
+ u16 rss_set_bitmap;
+ u8 rsv[4];
+ u8 rss_result[HCLGEVF_RSS_CFG_TBL_SIZE];
+};
+
+#define HCLGEVF_RSS_TC_OFFSET_S 0
+#define HCLGEVF_RSS_TC_OFFSET_M (0x3ff << HCLGEVF_RSS_TC_OFFSET_S)
+#define HCLGEVF_RSS_TC_SIZE_S 12
+#define HCLGEVF_RSS_TC_SIZE_M (0x7 << HCLGEVF_RSS_TC_SIZE_S)
+#define HCLGEVF_RSS_TC_VALID_B 15
+#define HCLGEVF_MAX_TC_NUM 8
+struct hclgevf_rss_tc_mode_cmd {
+ u16 rss_tc_mode[HCLGEVF_MAX_TC_NUM];
+ u8 rsv[8];
+};
+
+#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];
+};
+
+#define HCLGEVF_TYPE_CRQ 0
+#define HCLGEVF_TYPE_CSQ 1
+#define HCLGEVF_NIC_CSQ_BASEADDR_L_REG 0x27000
+#define HCLGEVF_NIC_CSQ_BASEADDR_H_REG 0x27004
+#define HCLGEVF_NIC_CSQ_DEPTH_REG 0x27008
+#define HCLGEVF_NIC_CSQ_TAIL_REG 0x27010
+#define HCLGEVF_NIC_CSQ_HEAD_REG 0x27014
+#define HCLGEVF_NIC_CRQ_BASEADDR_L_REG 0x27018
+#define HCLGEVF_NIC_CRQ_BASEADDR_H_REG 0x2701c
+#define HCLGEVF_NIC_CRQ_DEPTH_REG 0x27020
+#define HCLGEVF_NIC_CRQ_TAIL_REG 0x27024
+#define HCLGEVF_NIC_CRQ_HEAD_REG 0x27028
+
+/* 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_NIC_CMDQ_INT_SRC_REG 0x27100
+
+#define HCLGEVF_QUERY_DEV_SPECS_BD_NUM 4
+
+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];
+};
+
+static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value)
+{
+ writel(value, base + reg);
+}
+
+static inline u32 hclgevf_read_reg(u8 __iomem *base, u32 reg)
+{
+ u8 __iomem *reg_addr = READ_ONCE(base);
+
+ return readl(reg_addr + reg);
+}
+
+#define hclgevf_write_dev(a, reg, value) \
+ hclgevf_write_reg((a)->io_base, (reg), (value))
+#define hclgevf_read_dev(a, reg) \
+ hclgevf_read_reg((a)->io_base, (reg))
+
+#define HCLGEVF_SEND_SYNC(flag) \
+ ((flag) & HCLGEVF_CMD_FLAG_NO_INTR)
+
+int hclgevf_cmd_init(struct hclgevf_dev *hdev);
+void hclgevf_cmd_uninit(struct hclgevf_dev *hdev);
+int hclgevf_cmd_queue_init(struct hclgevf_dev *hdev);
+
+int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclgevf_desc *desc, int num);
+void hclgevf_cmd_setup_basic_desc(struct hclgevf_desc *desc,
+ enum hclgevf_opcode_type opcode,
+ bool is_read);
+#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..2bb0ce176
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -0,0 +1,3739 @@
+// 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"
+
+#define HCLGEVF_NAME "hclgevf"
+
+#define HCLGEVF_RESET_MAX_FAIL_CNT 5
+
+static int hclgevf_reset_hdev(struct hclgevf_dev *hdev);
+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, }
+};
+
+static const u8 hclgevf_hash_key[] = {
+ 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
+ 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
+ 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
+ 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
+ 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA
+};
+
+MODULE_DEVICE_TABLE(pci, ae_algovf_pci_tbl);
+
+static const u32 cmdq_reg_addr_list[] = {HCLGEVF_CMDQ_TX_ADDR_L_REG,
+ HCLGEVF_CMDQ_TX_ADDR_H_REG,
+ HCLGEVF_CMDQ_TX_DEPTH_REG,
+ HCLGEVF_CMDQ_TX_TAIL_REG,
+ HCLGEVF_CMDQ_TX_HEAD_REG,
+ HCLGEVF_CMDQ_RX_ADDR_L_REG,
+ HCLGEVF_CMDQ_RX_ADDR_H_REG,
+ HCLGEVF_CMDQ_RX_DEPTH_REG,
+ HCLGEVF_CMDQ_RX_TAIL_REG,
+ HCLGEVF_CMDQ_RX_HEAD_REG,
+ HCLGEVF_VECTOR0_CMDQ_SRC_REG,
+ HCLGEVF_VECTOR0_CMDQ_STATE_REG,
+ HCLGEVF_CMDQ_INTR_EN_REG,
+ HCLGEVF_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};
+
+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 int hclgevf_tqps_update_stats(struct hnae3_handle *handle)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclgevf_desc desc;
+ struct hclgevf_tqp *tqp;
+ int status;
+ int i;
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q);
+ hclgevf_cmd_setup_basic_desc(&desc,
+ HCLGEVF_OPC_QUERY_RX_STATUS,
+ true);
+
+ desc.data[0] = cpu_to_le32(tqp->index & 0x1ff);
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "Query tqp stat fail, status = %d,queue = %d\n",
+ status, i);
+ return status;
+ }
+ tqp->tqp_stats.rcb_rx_ring_pktnum_rcd +=
+ le32_to_cpu(desc.data[1]);
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_TX_STATUS,
+ true);
+
+ desc.data[0] = cpu_to_le32(tqp->index & 0x1ff);
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "Query tqp stat fail, status = %d,queue = %d\n",
+ status, i);
+ return status;
+ }
+ tqp->tqp_stats.rcb_tx_ring_pktnum_rcd +=
+ le32_to_cpu(desc.data[1]);
+ }
+
+ return 0;
+}
+
+static u64 *hclgevf_tqps_get_stats(struct hnae3_handle *handle, u64 *data)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ struct hclgevf_tqp *tqp;
+ u64 *buff = data;
+ int i;
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q);
+ *buff++ = tqp->tqp_stats.rcb_tx_ring_pktnum_rcd;
+ }
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q);
+ *buff++ = tqp->tqp_stats.rcb_rx_ring_pktnum_rcd;
+ }
+
+ return buff;
+}
+
+static int hclgevf_tqps_get_sset_count(struct hnae3_handle *handle, int strset)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+
+ return kinfo->num_tqps * 2;
+}
+
+static u8 *hclgevf_tqps_get_strings(struct hnae3_handle *handle, u8 *data)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ u8 *buff = data;
+ int i;
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i],
+ struct hclgevf_tqp, q);
+ snprintf(buff, ETH_GSTRING_LEN, "txq%d_pktnum_rcd",
+ tqp->index);
+ buff += ETH_GSTRING_LEN;
+ }
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i],
+ struct hclgevf_tqp, q);
+ snprintf(buff, ETH_GSTRING_LEN, "rxq%d_pktnum_rcd",
+ tqp->index);
+ buff += ETH_GSTRING_LEN;
+ }
+
+ return buff;
+}
+
+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 = hclgevf_tqps_update_stats(handle);
+ 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 hclgevf_tqps_get_sset_count(handle, strset);
+
+ 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 = hclgevf_tqps_get_strings(handle, p);
+}
+
+static void hclgevf_get_stats(struct hnae3_handle *handle, u64 *data)
+{
+ hclgevf_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_tc_info(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+ u8 resp_msg;
+ int status;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_TCINFO, 0);
+ status = hclgevf_send_mbx_msg(hdev, &send_msg, true, &resp_msg,
+ sizeof(resp_msg));
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "VF request to get TC info from PF failed %d",
+ status);
+ return status;
+ }
+
+ hdev->hw_tc_map = resp_msg;
+
+ 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
+#define HCLGEVF_TQPS_ALLOC_OFFSET 0
+#define HCLGEVF_TQPS_RSS_SIZE_OFFSET 2
+#define HCLGEVF_TQPS_RX_BUFFER_LEN_OFFSET 4
+
+ 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;
+ }
+
+ memcpy(&hdev->num_tqps, &resp_msg[HCLGEVF_TQPS_ALLOC_OFFSET],
+ sizeof(u16));
+ memcpy(&hdev->rss_size_max, &resp_msg[HCLGEVF_TQPS_RSS_SIZE_OFFSET],
+ sizeof(u16));
+ memcpy(&hdev->rx_buf_len, &resp_msg[HCLGEVF_TQPS_RX_BUFFER_LEN_OFFSET],
+ sizeof(u16));
+
+ return 0;
+}
+
+static int hclgevf_get_queue_depth(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_TQPS_DEPTH_INFO_LEN 4
+#define HCLGEVF_TQPS_NUM_TX_DESC_OFFSET 0
+#define HCLGEVF_TQPS_NUM_RX_DESC_OFFSET 2
+
+ 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;
+ }
+
+ memcpy(&hdev->num_tx_desc, &resp_msg[HCLGEVF_TQPS_NUM_TX_DESC_OFFSET],
+ sizeof(u16));
+ memcpy(&hdev->num_rx_desc, &resp_msg[HCLGEVF_TQPS_NUM_RX_DESC_OFFSET],
+ sizeof(u16));
+
+ 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);
+ memcpy(send_msg.data, &queue_id, sizeof(queue_id));
+ ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_data,
+ sizeof(resp_data));
+ if (!ret)
+ qid_in_pf = *(u16 *)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 hclgevf_tqp *tqp;
+ int i;
+
+ hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps,
+ sizeof(struct hclgevf_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;
+ tqp->q.io_base = hdev->hw.io_base + HCLGEVF_TQP_REG_OFFSET +
+ i * HCLGEVF_TQP_REG_SIZE;
+
+ 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;
+
+ kinfo = &nic->kinfo;
+ kinfo->num_tc = 0;
+ 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 < HCLGEVF_MAX_TC_NUM; i++)
+ if (hdev->hw_tc_map & BIT(i))
+ kinfo->num_tc++;
+
+ kinfo->rss_size
+ = min_t(u16, hdev->rss_size_max, new_tqps / kinfo->num_tc);
+ new_tqps = kinfo->rss_size * kinfo->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 / kinfo->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) {
+ client->ops->link_status_change(handle, !!link_state);
+ if (rclient && rclient->ops->link_status_change)
+ rclient->ops->link_status_change(rhandle, !!link_state);
+ hdev->hw.mac.link = 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;
+
+ 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.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;
+}
+
+static int hclgevf_set_rss_algo_key(struct hclgevf_dev *hdev,
+ const u8 hfunc, const u8 *key)
+{
+ struct hclgevf_rss_config_cmd *req;
+ unsigned int key_offset = 0;
+ struct hclgevf_desc desc;
+ int key_counts;
+ int key_size;
+ int ret;
+
+ key_counts = HCLGEVF_RSS_KEY_SIZE;
+ req = (struct hclgevf_rss_config_cmd *)desc.data;
+
+ while (key_counts) {
+ hclgevf_cmd_setup_basic_desc(&desc,
+ HCLGEVF_OPC_RSS_GENERIC_CONFIG,
+ false);
+
+ req->hash_config |= (hfunc & HCLGEVF_RSS_HASH_ALGO_MASK);
+ req->hash_config |=
+ (key_offset << HCLGEVF_RSS_HASH_KEY_OFFSET_B);
+
+ key_size = min(HCLGEVF_RSS_HASH_KEY_NUM, key_counts);
+ memcpy(req->hash_key,
+ key + key_offset * HCLGEVF_RSS_HASH_KEY_NUM, key_size);
+
+ key_counts -= key_size;
+ key_offset++;
+ ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "Configure RSS config fail, status = %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static u32 hclgevf_get_rss_key_size(struct hnae3_handle *handle)
+{
+ return HCLGEVF_RSS_KEY_SIZE;
+}
+
+static u32 hclgevf_get_rss_indir_size(struct hnae3_handle *handle)
+{
+ return HCLGEVF_RSS_IND_TBL_SIZE;
+}
+
+static int hclgevf_set_rss_indir_table(struct hclgevf_dev *hdev)
+{
+ const u8 *indir = hdev->rss_cfg.rss_indirection_tbl;
+ struct hclgevf_rss_indirection_table_cmd *req;
+ struct hclgevf_desc desc;
+ int status;
+ int i, j;
+
+ req = (struct hclgevf_rss_indirection_table_cmd *)desc.data;
+
+ for (i = 0; i < HCLGEVF_RSS_CFG_TBL_NUM; i++) {
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INDIR_TABLE,
+ false);
+ req->start_table_index = i * HCLGEVF_RSS_CFG_TBL_SIZE;
+ req->rss_set_bitmap = HCLGEVF_RSS_SET_BITMAP_MSK;
+ for (j = 0; j < HCLGEVF_RSS_CFG_TBL_SIZE; j++)
+ req->rss_result[j] =
+ indir[i * HCLGEVF_RSS_CFG_TBL_SIZE + j];
+
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status) {
+ dev_err(&hdev->pdev->dev,
+ "VF failed(=%d) to set RSS indirection table\n",
+ status);
+ return status;
+ }
+ }
+
+ return 0;
+}
+
+static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size)
+{
+ struct hclgevf_rss_tc_mode_cmd *req;
+ u16 tc_offset[HCLGEVF_MAX_TC_NUM];
+ u16 tc_valid[HCLGEVF_MAX_TC_NUM];
+ u16 tc_size[HCLGEVF_MAX_TC_NUM];
+ struct hclgevf_desc desc;
+ u16 roundup_size;
+ unsigned int i;
+ int status;
+
+ req = (struct hclgevf_rss_tc_mode_cmd *)desc.data;
+
+ roundup_size = roundup_pow_of_two(rss_size);
+ roundup_size = ilog2(roundup_size);
+
+ for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) {
+ tc_valid[i] = 1;
+ tc_size[i] = roundup_size;
+ tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0;
+ }
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false);
+ for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) {
+ hnae3_set_bit(req->rss_tc_mode[i], HCLGEVF_RSS_TC_VALID_B,
+ (tc_valid[i] & 0x1));
+ hnae3_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_SIZE_M,
+ HCLGEVF_RSS_TC_SIZE_S, tc_size[i]);
+ hnae3_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_OFFSET_M,
+ HCLGEVF_RSS_TC_OFFSET_S, tc_offset[i]);
+ }
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status)
+ dev_err(&hdev->pdev->dev,
+ "VF failed(=%d) to set rss tc mode\n", status);
+
+ return status;
+}
+
+/* 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 hclgevf_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 = (HCLGEVF_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],
+ HCLGEVF_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 hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ int i, ret;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ /* Get hash algorithm */
+ if (hfunc) {
+ switch (rss_cfg->hash_algo) {
+ case HCLGEVF_RSS_HASH_ALGO_TOEPLITZ:
+ *hfunc = ETH_RSS_HASH_TOP;
+ break;
+ case HCLGEVF_RSS_HASH_ALGO_SIMPLE:
+ *hfunc = ETH_RSS_HASH_XOR;
+ break;
+ default:
+ *hfunc = ETH_RSS_HASH_UNKNOWN;
+ break;
+ }
+ }
+
+ /* Get the RSS Key required by the user */
+ if (key)
+ memcpy(key, rss_cfg->rss_hash_key,
+ HCLGEVF_RSS_KEY_SIZE);
+ } 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,
+ HCLGEVF_RSS_KEY_SIZE);
+ }
+ }
+
+ if (indir)
+ for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+ indir[i] = rss_cfg->rss_indirection_tbl[i];
+
+ return 0;
+}
+
+static int hclgevf_parse_rss_hfunc(struct hclgevf_dev *hdev, const u8 hfunc,
+ u8 *hash_algo)
+{
+ switch (hfunc) {
+ case ETH_RSS_HASH_TOP:
+ *hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ;
+ return 0;
+ case ETH_RSS_HASH_XOR:
+ *hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE;
+ return 0;
+ case ETH_RSS_HASH_NO_CHANGE:
+ *hash_algo = hdev->rss_cfg.hash_algo;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+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 hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ u8 hash_algo;
+ int ret, i;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ ret = hclgevf_parse_rss_hfunc(hdev, hfunc, &hash_algo);
+ if (ret)
+ return ret;
+
+ /* Set the RSS Hash Key if specififed by the user */
+ if (key) {
+ ret = hclgevf_set_rss_algo_key(hdev, hash_algo, key);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "invalid hfunc type %u\n", hfunc);
+ return ret;
+ }
+
+ /* Update the shadow RSS key with user specified qids */
+ memcpy(rss_cfg->rss_hash_key, key,
+ HCLGEVF_RSS_KEY_SIZE);
+ } else {
+ ret = hclgevf_set_rss_algo_key(hdev, hash_algo,
+ rss_cfg->rss_hash_key);
+ if (ret)
+ return ret;
+ }
+ rss_cfg->hash_algo = hash_algo;
+ }
+
+ /* update the shadow RSS table with user specified qids */
+ for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+ rss_cfg->rss_indirection_tbl[i] = indir[i];
+
+ /* update the hardware */
+ return hclgevf_set_rss_indir_table(hdev);
+}
+
+static u8 hclgevf_get_rss_hash_bits(struct ethtool_rxnfc *nfc)
+{
+ u8 hash_sets = nfc->data & RXH_L4_B_0_1 ? HCLGEVF_S_PORT_BIT : 0;
+
+ if (nfc->data & RXH_L4_B_2_3)
+ hash_sets |= HCLGEVF_D_PORT_BIT;
+ else
+ hash_sets &= ~HCLGEVF_D_PORT_BIT;
+
+ if (nfc->data & RXH_IP_SRC)
+ hash_sets |= HCLGEVF_S_IP_BIT;
+ else
+ hash_sets &= ~HCLGEVF_S_IP_BIT;
+
+ if (nfc->data & RXH_IP_DST)
+ hash_sets |= HCLGEVF_D_IP_BIT;
+ else
+ hash_sets &= ~HCLGEVF_D_IP_BIT;
+
+ if (nfc->flow_type == SCTP_V4_FLOW || nfc->flow_type == SCTP_V6_FLOW)
+ hash_sets |= HCLGEVF_V_TAG_BIT;
+
+ return hash_sets;
+}
+
+static int hclgevf_set_rss_tuple(struct hnae3_handle *handle,
+ struct ethtool_rxnfc *nfc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ struct hclgevf_rss_input_tuple_cmd *req;
+ struct hclgevf_desc desc;
+ u8 tuple_sets;
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ if (nfc->data &
+ ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
+ return -EINVAL;
+
+ req = (struct hclgevf_rss_input_tuple_cmd *)desc.data;
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false);
+
+ req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en;
+ req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en;
+ req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en;
+ req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en;
+ req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en;
+ req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en;
+ req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en;
+ req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en;
+
+ tuple_sets = hclgevf_get_rss_hash_bits(nfc);
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ req->ipv4_tcp_en = tuple_sets;
+ break;
+ case TCP_V6_FLOW:
+ req->ipv6_tcp_en = tuple_sets;
+ break;
+ case UDP_V4_FLOW:
+ req->ipv4_udp_en = tuple_sets;
+ break;
+ case UDP_V6_FLOW:
+ req->ipv6_udp_en = tuple_sets;
+ break;
+ case SCTP_V4_FLOW:
+ req->ipv4_sctp_en = tuple_sets;
+ break;
+ case SCTP_V6_FLOW:
+ if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
+ (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)))
+ return -EINVAL;
+
+ req->ipv6_sctp_en = tuple_sets;
+ break;
+ case IPV4_FLOW:
+ req->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ break;
+ case IPV6_FLOW:
+ req->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "Set rss tuple fail, status = %d\n", ret);
+ return ret;
+ }
+
+ rss_cfg->rss_tuple_sets.ipv4_tcp_en = req->ipv4_tcp_en;
+ rss_cfg->rss_tuple_sets.ipv4_udp_en = req->ipv4_udp_en;
+ rss_cfg->rss_tuple_sets.ipv4_sctp_en = req->ipv4_sctp_en;
+ rss_cfg->rss_tuple_sets.ipv4_fragment_en = req->ipv4_fragment_en;
+ rss_cfg->rss_tuple_sets.ipv6_tcp_en = req->ipv6_tcp_en;
+ rss_cfg->rss_tuple_sets.ipv6_udp_en = req->ipv6_udp_en;
+ rss_cfg->rss_tuple_sets.ipv6_sctp_en = req->ipv6_sctp_en;
+ rss_cfg->rss_tuple_sets.ipv6_fragment_en = req->ipv6_fragment_en;
+ return 0;
+}
+
+static int hclgevf_get_rss_tuple(struct hnae3_handle *handle,
+ struct ethtool_rxnfc *nfc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ u8 tuple_sets;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ nfc->data = 0;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv4_tcp_en;
+ break;
+ case UDP_V4_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv4_udp_en;
+ break;
+ case TCP_V6_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv6_tcp_en;
+ break;
+ case UDP_V6_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv6_udp_en;
+ break;
+ case SCTP_V4_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv4_sctp_en;
+ break;
+ case SCTP_V6_FLOW:
+ tuple_sets = rss_cfg->rss_tuple_sets.ipv6_sctp_en;
+ break;
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ tuple_sets = HCLGEVF_S_IP_BIT | HCLGEVF_D_IP_BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (!tuple_sets)
+ return 0;
+
+ if (tuple_sets & HCLGEVF_D_PORT_BIT)
+ nfc->data |= RXH_L4_B_2_3;
+ if (tuple_sets & HCLGEVF_S_PORT_BIT)
+ nfc->data |= RXH_L4_B_0_1;
+ if (tuple_sets & HCLGEVF_D_IP_BIT)
+ nfc->data |= RXH_IP_DST;
+ if (tuple_sets & HCLGEVF_S_IP_BIT)
+ nfc->data |= RXH_IP_SRC;
+
+ return 0;
+}
+
+static int hclgevf_set_rss_input_tuple(struct hclgevf_dev *hdev,
+ struct hclgevf_rss_cfg *rss_cfg)
+{
+ struct hclgevf_rss_input_tuple_cmd *req;
+ struct hclgevf_desc desc;
+ int ret;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false);
+
+ req = (struct hclgevf_rss_input_tuple_cmd *)desc.data;
+
+ req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en;
+ req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en;
+ req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en;
+ req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en;
+ req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en;
+ req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en;
+ req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en;
+ req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en;
+
+ ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "Configure rss input fail, status = %d\n", ret);
+ return ret;
+}
+
+static int hclgevf_get_tc_size(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclgevf_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 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;
+
+ 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);
+}
+
+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(struct hclgevf_dev *hdev, unsigned int tqp_id,
+ int stream_id, bool enable)
+{
+ struct hclgevf_cfg_com_tqp_queue_cmd *req;
+ struct hclgevf_desc desc;
+ int status;
+
+ req = (struct hclgevf_cfg_com_tqp_queue_cmd *)desc.data;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_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;
+
+ status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+ if (status)
+ dev_err(&hdev->pdev->dev,
+ "TQP enable fail, status =%d.\n", status);
+
+ return status;
+}
+
+static void hclgevf_reset_tqp_stats(struct hnae3_handle *handle)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ struct hclgevf_tqp *tqp;
+ int i;
+
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q);
+ memset(&tqp->tqp_stats, 0, sizeof(tqp->tqp_stats));
+ }
+}
+
+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, 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
+ * 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)
+{
+ 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) {
+ dev_err(&hdev->pdev->dev,
+ "failed to configure mac %pM, state = %d, ret = %d\n",
+ mac_node->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_del(&mac_node->node);
+ list_add_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_del(&mac_node->node);
+ list_add_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_del(&mac_node->node);
+ list_add_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_set_vlan_filter(struct hnae3_handle *handle,
+ __be16 proto, u16 vlan_id,
+ bool is_kill)
+{
+#define HCLGEVF_VLAN_MBX_IS_KILL_OFFSET 0
+#define HCLGEVF_VLAN_MBX_VLAN_ID_OFFSET 1
+#define HCLGEVF_VLAN_MBX_PROTO_OFFSET 3
+
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ 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;
+ }
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN,
+ HCLGE_MBX_VLAN_FILTER);
+ send_msg.data[HCLGEVF_VLAN_MBX_IS_KILL_OFFSET] = is_kill;
+ memcpy(&send_msg.data[HCLGEVF_VLAN_MBX_VLAN_ID_OFFSET], &vlan_id,
+ sizeof(vlan_id));
+ memcpy(&send_msg.data[HCLGEVF_VLAN_MBX_PROTO_OFFSET], &proto,
+ sizeof(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;
+
+ 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)
+ return;
+
+ clear_bit(vlan_id, hdev->vlan_del_fail_bmap);
+ sync_cnt++;
+ if (sync_cnt >= HCLGEVF_MAX_SYNC_COUNT)
+ return;
+
+ vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID);
+ }
+}
+
+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, u16 queue_id)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ struct hclge_vf_to_pf_msg send_msg;
+ int ret;
+
+ /* disable vf queue before send queue reset msg to PF */
+ ret = hclgevf_tqp_enable(hdev, queue_id, 0, false);
+ if (ret)
+ return ret;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_QUEUE_RESET, 0);
+ memcpy(send_msg.data, &queue_id, sizeof(queue_id));
+ return hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
+}
+
+static int hclgevf_set_mtu(struct hnae3_handle *handle, int new_mtu)
+{
+ 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_MTU, 0);
+ memcpy(send_msg.data, &new_mtu, sizeof(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.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.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, HCLGEVF_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, HCLGEVF_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(HCLGEVF_STATE_CMD_DISABLE, &hdev->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, HCLGEVF_VECTOR0_CMDQ_STATE_REG));
+ dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n",
+ hclgevf_read_dev(&hdev->hw, HCLGEVF_CMDQ_TX_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_flr_prepare(struct hnae3_ae_dev *ae_dev)
+{
+#define HCLGEVF_FLR_RETRY_WAIT_MS 500
+#define HCLGEVF_FLR_RETRY_CNT 5
+
+ struct hclgevf_dev *hdev = ae_dev->priv;
+ int retry_cnt = 0;
+ int ret;
+
+retry:
+ down(&hdev->reset_sem);
+ set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ hdev->reset_type = HNAE3_FLR_RESET;
+ ret = hclgevf_reset_prepare(hdev);
+ if (ret) {
+ dev_err(&hdev->pdev->dev, "fail to prepare FLR, ret=%d\n",
+ ret);
+ if (hdev->reset_pending ||
+ retry_cnt++ < HCLGEVF_FLR_RETRY_CNT) {
+ dev_err(&hdev->pdev->dev,
+ "reset_pending:0x%lx, retry_cnt:%d\n",
+ hdev->reset_pending, retry_cnt);
+ clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state);
+ up(&hdev->reset_sem);
+ msleep(HCLGEVF_FLR_RETRY_WAIT_MS);
+ goto retry;
+ }
+ }
+
+ /* disable misc vector before FLR done */
+ hclgevf_enable_vector(&hdev->misc_vector, false);
+ hdev->rst_stats.flr_rst_cnt++;
+}
+
+static void hclgevf_flr_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.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_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 initmated 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(HCLGEVF_STATE_CMD_DISABLE, &hdev->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))
+ 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))
+ hclgevf_tqps_update_stats(handle);
+
+ /* request the link status from the PF. PF would be able to tell VF
+ * about such updates in future so we might remove this later
+ */
+ 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, HCLGEVF_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,
+ HCLGEVF_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(HCLGEVF_STATE_CMD_DISABLE, &hdev->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;
+
+ /* 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;
+
+ ret = hclgevf_get_pf_media_type(hdev);
+ if (ret)
+ return ret;
+
+ /* get tc configuration from PF */
+ return hclgevf_get_tc_info(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_vector;
+
+ roce->rinfo.netdev = nic->kinfo.netdev;
+ roce->rinfo.roce_io_base = hdev->hw.io_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, bool en)
+{
+ struct hclgevf_cfg_gro_status_cmd *req;
+ struct hclgevf_desc desc;
+ int ret;
+
+ if (!hnae3_dev_gro_supported(hdev))
+ return 0;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_GRO_GENERIC_CONFIG,
+ false);
+ req = (struct hclgevf_cfg_gro_status_cmd *)desc.data;
+
+ req->gro_en = 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 void hclgevf_rss_init_cfg(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ struct hclgevf_rss_tuple_cfg *tuple_sets;
+ u32 i;
+
+ rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ;
+ rss_cfg->rss_size = hdev->nic.kinfo.rss_size;
+ tuple_sets = &rss_cfg->rss_tuple_sets;
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE;
+ memcpy(rss_cfg->rss_hash_key, hclgevf_hash_key,
+ HCLGEVF_RSS_KEY_SIZE);
+
+ tuple_sets->ipv4_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ tuple_sets->ipv4_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ tuple_sets->ipv4_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP;
+ tuple_sets->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ tuple_sets->ipv6_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ tuple_sets->ipv6_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ tuple_sets->ipv6_sctp_en =
+ hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ?
+ HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT :
+ HCLGEVF_RSS_INPUT_TUPLE_SCTP;
+ tuple_sets->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
+ }
+
+ /* Initialize RSS indirect table */
+ for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+ rss_cfg->rss_indirection_tbl[i] = i % rss_cfg->rss_size;
+}
+
+static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+ int ret;
+
+ if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
+ ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo,
+ rss_cfg->rss_hash_key);
+ if (ret)
+ return ret;
+
+ ret = hclgevf_set_rss_input_tuple(hdev, rss_cfg);
+ if (ret)
+ return ret;
+ }
+
+ ret = hclgevf_set_rss_indir_table(hdev);
+ if (ret)
+ return ret;
+
+ return hclgevf_set_rss_tc_mode(hdev, rss_cfg->rss_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);
+
+ hclgevf_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);
+ int i;
+
+ set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+
+ if (hdev->reset_type != HNAE3_VF_RESET)
+ for (i = 0; i < handle->kinfo.num_tqps; i++)
+ if (hclgevf_reset_tqp(handle, i))
+ break;
+
+ hclgevf_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->base_msi_vector = pdev->irq;
+ hdev->roce_base_vector = pdev->irq + hdev->roce_base_msix_offset;
+
+ 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_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->hdev = hdev;
+ hw->io_base = pci_iomap(pdev, 2, 0);
+ if (!hw->io_base) {
+ dev_err(&pdev->dev, "can't map configuration register space\n");
+ ret = -ENOMEM;
+ goto err_clr_master;
+ }
+
+ return 0;
+
+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;
+
+ pci_iounmap(pdev, hdev->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 hclgevf_desc desc;
+ int ret;
+
+ hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_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 = HCLGEVF_RSS_KEY_SIZE;
+}
+
+static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev,
+ struct hclgevf_desc *desc)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
+ struct hclgevf_dev_specs_0_cmd *req0;
+
+ req0 = (struct hclgevf_dev_specs_0_cmd *)desc[0].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.rss_key_size = le16_to_cpu(req0->rss_key_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 = HCLGEVF_RSS_KEY_SIZE;
+}
+
+static int hclgevf_query_dev_specs(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_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],
+ HCLGEVF_OPC_QUERY_DEV_SPECS, true);
+ desc[i].flag |= cpu_to_le16(HCLGEVF_CMD_FLAG_NEXT);
+ }
+ hclgevf_cmd_setup_basic_desc(&desc[i], HCLGEVF_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 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;
+ }
+
+ ret = hclgevf_cmd_init(hdev);
+ 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, true);
+ 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;
+ }
+
+ set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+
+ 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_cmd_queue_init(hdev);
+ if (ret)
+ goto err_cmd_queue_init;
+
+ ret = hclgevf_cmd_init(hdev);
+ 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, true);
+ if (ret)
+ goto err_config;
+
+ /* Initialize RSS for this VF */
+ hclgevf_rss_init_cfg(hdev);
+ 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;
+ }
+
+ 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:
+ hclgevf_cmd_uninit(hdev);
+err_cmd_queue_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_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);
+ }
+
+ hclgevf_cmd_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->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->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->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 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);
+
+ ret = hclgevf_set_rss_tc_mode(hdev, kinfo->rss_size);
+ if (ret)
+ return ret;
+
+ /* RSS indirection table has been configuared by user */
+ if (rxfh_configured)
+ goto out;
+
+ /* Reinitializes the rss indirect table according to the new RSS size */
+ rss_indir = kcalloc(HCLGEVF_RSS_IND_TBL_SIZE, sizeof(u32), GFP_KERNEL);
+ if (!rss_indir)
+ return -ENOMEM;
+
+ for (i = 0; i < HCLGEVF_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->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)
+{
+ 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);
+
+ return hclgevf_config_gro(hdev, enable);
+}
+
+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(HCLGEVF_STATE_CMD_DISABLE, &hdev->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 0xFFFFFFFF
+#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] +
+ 0x200 * 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,
+ u8 *port_base_vlan_info, u8 data_size)
+{
+ 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_info, data_size);
+ 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,
+ .flr_prepare = hclgevf_flr_prepare,
+ .flr_done = hclgevf_flr_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 = hclgevf_get_rss_key_size,
+ .get_rss_indir_size = hclgevf_get_rss_indir_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_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 hclgevf_init(void)
+{
+ pr_info("%s is initializing\n", HCLGEVF_NAME);
+
+ hclgevf_wq = alloc_workqueue("%s", 0, 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 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..9469af8c4
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -0,0 +1,351 @@
+/* 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 "hclge_mbx.h"
+#include "hclgevf_cmd.h"
+#include "hnae3.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 cmdq */
+#define HCLGEVF_CMDQ_TX_ADDR_L_REG 0x27000
+#define HCLGEVF_CMDQ_TX_ADDR_H_REG 0x27004
+#define HCLGEVF_CMDQ_TX_DEPTH_REG 0x27008
+#define HCLGEVF_CMDQ_TX_TAIL_REG 0x27010
+#define HCLGEVF_CMDQ_TX_HEAD_REG 0x27014
+#define HCLGEVF_CMDQ_RX_ADDR_L_REG 0x27018
+#define HCLGEVF_CMDQ_RX_ADDR_H_REG 0x2701C
+#define HCLGEVF_CMDQ_RX_DEPTH_REG 0x27020
+#define HCLGEVF_CMDQ_RX_TAIL_REG 0x27024
+#define HCLGEVF_CMDQ_RX_HEAD_REG 0x27028
+#define HCLGEVF_CMDQ_INTR_EN_REG 0x27108
+#define HCLGEVF_CMDQ_INTR_GEN_REG 0x2710C
+
+/* bar registers for common func */
+#define HCLGEVF_GRO_EN_REG 0x28000
+
+/* 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
+
+/* Vector0 interrupt CMDQ event source register(RW) */
+#define HCLGEVF_VECTOR0_CMDQ_SRC_REG 0x27100
+/* Vector0 interrupt CMDQ event status register(RO) */
+#define HCLGEVF_VECTOR0_CMDQ_STATE_REG 0x27104
+/* 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_RSS_SET_BITMAP_MSK 0xffff
+#define HCLGEVF_RSS_KEY_SIZE 40
+#define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ 0
+#define HCLGEVF_RSS_HASH_ALGO_SIMPLE 1
+#define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC 2
+#define HCLGEVF_RSS_HASH_ALGO_MASK 0xf
+#define HCLGEVF_RSS_CFG_TBL_NUM \
+ (HCLGEVF_RSS_IND_TBL_SIZE / HCLGEVF_RSS_CFG_TBL_SIZE)
+#define HCLGEVF_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0)
+#define HCLGEVF_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0)
+#define HCLGEVF_D_PORT_BIT BIT(0)
+#define HCLGEVF_S_PORT_BIT BIT(1)
+#define HCLGEVF_D_IP_BIT BIT(2)
+#define HCLGEVF_S_IP_BIT BIT(3)
+#define HCLGEVF_V_TAG_BIT BIT(4)
+#define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT \
+ (HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
+
+#define HCLGEVF_STATS_TIMER_INTERVAL 36U
+
+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,
+ /* task states */
+ HCLGEVF_STATE_RST_SERVICE_SCHED,
+ HCLGEVF_STATE_RST_HANDLING,
+ HCLGEVF_STATE_MBX_SERVICE_SCHED,
+ HCLGEVF_STATE_MBX_HANDLING,
+ HCLGEVF_STATE_CMD_DISABLE,
+ HCLGEVF_STATE_LINK_UPDATING,
+ HCLGEVF_STATE_PROMISC_CHANGED,
+ HCLGEVF_STATE_RST_FAIL,
+};
+
+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 {
+ void __iomem *io_base;
+ int num_vec;
+ struct hclgevf_cmq cmq;
+ struct hclgevf_mac mac;
+ void *hdev; /* hchgevf device it is part of */
+};
+
+/* TQP stats */
+struct hlcgevf_tqp_stats {
+ /* query_tqp_tx_queue_statistics ,opcode id: 0x0B03 */
+ u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
+ /* query_tqp_rx_queue_statistics ,opcode id: 0x0B13 */
+ u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
+};
+
+struct hclgevf_tqp {
+ struct device *dev; /* device for DMA mapping */
+ struct hnae3_queue q;
+ struct hlcgevf_tqp_stats tqp_stats;
+ u16 index; /* global index in a NIC controller */
+
+ bool alloced;
+};
+
+struct hclgevf_cfg {
+ u8 vmdq_vport_num;
+ 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_rss_tuple_cfg {
+ u8 ipv4_tcp_en;
+ u8 ipv4_udp_en;
+ u8 ipv4_sctp_en;
+ u8 ipv4_fragment_en;
+ u8 ipv6_tcp_en;
+ u8 ipv6_udp_en;
+ u8 ipv6_sctp_en;
+ u8 ipv6_fragment_en;
+};
+
+struct hclgevf_rss_cfg {
+ u8 rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
+ u32 hash_algo;
+ u32 rss_size;
+ u8 hw_tc_map;
+ u8 rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */
+ struct hclgevf_rss_tuple_cfg rss_tuple_sets;
+};
+
+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 hclgevf_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 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;
+ int roce_base_vector;
+ u32 base_msi_vector;
+ u16 *vector_status;
+ int *vector_irq;
+
+ unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
+
+ struct hclgevf_mac_table_cfg mac_table;
+
+ bool mbx_event_pending;
+ 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 hclgevf_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;
+};
+
+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,
+ u8 *port_base_vlan_info, u8 data_size);
+#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..b8e5ca670
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -0,0 +1,351 @@
+// 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;
+}
+
+static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev)
+{
+ /* this function should be called with mbx_resp.mbx_mutex held
+ * to prtect 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;
+ 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
+ * @resp_msg: pointer to store the original message type and response status
+ * @len: the resp_msg data array length.
+ */
+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(HCLGEVF_STATE_CMD_DISABLE, &hdev->state))
+ return -EIO;
+
+ usleep_range(HCLGEVF_SLEEP_USECOND, HCLGEVF_SLEEP_USECOND * 2);
+ i++;
+ }
+
+ 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 hclgevf_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);
+ 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, HCLGEVF_NIC_CRQ_TAIL_REG);
+
+ return tail == hw->cmq.crq.next_to_use;
+}
+
+void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
+{
+ struct hclgevf_mbx_resp_status *resp;
+ struct hclge_mbx_pf_to_vf_cmd *req;
+ struct hclgevf_cmq_ring *crq;
+ struct hclgevf_desc *desc;
+ u16 *msg_q;
+ u16 flag;
+ u8 *temp;
+ int i;
+
+ resp = &hdev->mbx_resp;
+ crq = &hdev->hw.cmq.crq;
+
+ while (!hclgevf_cmd_crq_empty(&hdev->hw)) {
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->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);
+ if (unlikely(!hnae3_get_bit(flag, HCLGEVF_CMDQ_RX_OUTVLD_B))) {
+ dev_warn(&hdev->pdev->dev,
+ "dropped invalid mailbox message, code = %u\n",
+ req->msg.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 (req->msg.code) {
+ case HCLGE_MBX_PF_VF_RESP:
+ if (resp->received_resp)
+ dev_warn(&hdev->pdev->dev,
+ "VF mbx resp flag not clear(%u)\n",
+ req->msg.vf_mbx_msg_code);
+ resp->received_resp = true;
+
+ resp->origin_mbx_msg =
+ (req->msg.vf_mbx_msg_code << 16);
+ resp->origin_mbx_msg |= req->msg.vf_mbx_msg_subcode;
+ resp->resp_status =
+ hclgevf_resp_to_errno(req->msg.resp_status);
+
+ temp = (u8 *)req->msg.resp_data;
+ for (i = 0; i < HCLGE_MBX_MAX_RESP_DATA_SIZE; i++) {
+ resp->additional_info[i] = *temp;
+ temp++;
+ }
+ 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:
+ /* set this mbx event as pending. This is required as we
+ * might loose interrupt event when mbx task is busy
+ * handling. This shall be cleared when mbx task just
+ * enters handling state.
+ */
+ hdev->mbx_event_pending = true;
+
+ /* 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",
+ req->msg.code);
+ break;
+ }
+
+ /* tail the async message in arq */
+ msg_q = hdev->arq.msg_q[hdev->arq.tail];
+ memcpy(&msg_q[0], &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);
+
+ break;
+ default:
+ dev_err(&hdev->pdev->dev,
+ "VF received unsupported(%u) mbx msg from PF\n",
+ req->msg.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, HCLGEVF_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)
+{
+ enum hnae3_reset_type reset_type;
+ u16 link_status, state;
+ u16 *msg_q, *vlan_info;
+ u8 duplex;
+ u32 speed;
+ u32 tail;
+ u8 idx;
+
+ /* we can safely clear it now as we are at start of the async message
+ * processing
+ */
+ hdev->mbx_event_pending = false;
+
+ tail = hdev->arq.tail;
+
+ /* process all the async queue messages */
+ while (tail != hdev->arq.head) {
+ if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) {
+ dev_info(&hdev->pdev->dev,
+ "vf crq need init in async\n");
+ return;
+ }
+
+ msg_q = hdev->arq.msg_q[hdev->arq.head];
+
+ switch (msg_q[0]) {
+ case HCLGE_MBX_LINK_STAT_CHANGE:
+ link_status = msg_q[1];
+ memcpy(&speed, &msg_q[2], sizeof(speed));
+ duplex = (u8)msg_q[4];
+
+ /* update upper layer with new link link status */
+ hclgevf_update_link_status(hdev, link_status);
+ hclgevf_update_speed_duplex(hdev, speed, duplex);
+
+ break;
+ case HCLGE_MBX_LINK_STAT_MODE:
+ idx = (u8)msg_q[1];
+ if (idx)
+ memcpy(&hdev->hw.mac.supported, &msg_q[2],
+ sizeof(unsigned long));
+ else
+ memcpy(&hdev->hw.mac.advertising, &msg_q[2],
+ sizeof(unsigned long));
+ 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)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:
+ state = msg_q[1];
+ vlan_info = &msg_q[1];
+ hclgevf_update_port_base_vlan_info(hdev, state,
+ (u8 *)vlan_info, 8);
+ break;
+ case HCLGE_MBX_PUSH_PROMISC_INFO:
+ hclgevf_parse_promisc_info(hdev, msg_q[1]);
+ break;
+ default:
+ dev_err(&hdev->pdev->dev,
+ "fetched unsupported(%u) message from arq\n",
+ msg_q[0]);
+ 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..e4bfb6191
--- /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 = 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>