1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
new file mode 100644
index 000000000000..96daf058d387
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2024 Hisilicon Limited. */
+
+#ifndef __HBG_COMMON_H
+#define __HBG_COMMON_H
+
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include "hbg_reg.h"
+
+#define HBG_STATUS_DISABLE		0x0
+#define HBG_STATUS_ENABLE		0x1
+#define HBG_RX_SKIP1			0x00
+#define HBG_RX_SKIP2			0x01
+#define HBG_VECTOR_NUM			4
+#define HBG_PCU_CACHE_LINE_SIZE		32
+#define HBG_TX_TIMEOUT_BUF_LEN		1024
+#define HBG_RX_DESCR			0x01
+
+#define HBG_PACKET_HEAD_SIZE	((HBG_RX_SKIP1 + HBG_RX_SKIP2 + \
+				  HBG_RX_DESCR) * HBG_PCU_CACHE_LINE_SIZE)
+
+enum hbg_dir {
+	HBG_DIR_TX = 1 << 0,
+	HBG_DIR_RX = 1 << 1,
+	HBG_DIR_TX_RX = HBG_DIR_TX | HBG_DIR_RX,
+};
+
+enum hbg_tx_state {
+	HBG_TX_STATE_COMPLETE = 0, /* clear state, must fix to 0 */
+	HBG_TX_STATE_START,
+};
+
+enum hbg_nic_state {
+	HBG_NIC_STATE_EVENT_HANDLING = 0,
+};
+
+struct hbg_buffer {
+	u32 state;
+	dma_addr_t state_dma;
+
+	struct sk_buff *skb;
+	dma_addr_t skb_dma;
+	u32 skb_len;
+
+	enum hbg_dir dir;
+	struct hbg_ring *ring;
+	struct hbg_priv *priv;
+};
+
+struct hbg_ring {
+	struct hbg_buffer *queue;
+	dma_addr_t queue_dma;
+
+	union {
+		u32 head;
+		u32 ntc;
+	};
+	union {
+		u32 tail;
+		u32 ntu;
+	};
+	u32 len;
+
+	enum hbg_dir dir;
+	struct hbg_priv *priv;
+	struct napi_struct napi;
+	char *tout_log_buf; /* tx timeout log buffer */
+};
+
+enum hbg_hw_event_type {
+	HBG_HW_EVENT_NONE = 0,
+	HBG_HW_EVENT_INIT, /* driver is loading */
+	HBG_HW_EVENT_RESET,
+};
+
+struct hbg_dev_specs {
+	u32 mac_id;
+	struct sockaddr mac_addr;
+	u32 phy_addr;
+	u32 mdio_frequency;
+	u32 rx_fifo_num;
+	u32 tx_fifo_num;
+	u32 vlan_layers;
+	u32 max_mtu;
+	u32 min_mtu;
+
+	u32 max_frame_len;
+	u32 rx_buf_size;
+};
+
+struct hbg_irq_info {
+	const char *name;
+	u32 mask;
+	bool re_enable;
+	bool need_print;
+	u64 count;
+
+	void (*irq_handle)(struct hbg_priv *priv, struct hbg_irq_info *info);
+};
+
+struct hbg_vector {
+	char name[HBG_VECTOR_NUM][32];
+	struct hbg_irq_info *info_array;
+	u32 info_array_len;
+};
+
+struct hbg_mac {
+	struct mii_bus *mdio_bus;
+	struct phy_device *phydev;
+	u8 phy_addr;
+
+	u32 speed;
+	u32 duplex;
+	u32 autoneg;
+	u32 link_status;
+};
+
+struct hbg_priv {
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	u8 __iomem *io_base;
+	struct hbg_dev_specs dev_specs;
+	unsigned long state;
+	struct hbg_mac mac;
+	struct hbg_vector vectors;
+	struct hbg_ring tx_ring;
+	struct hbg_ring rx_ring;
+};
+
+#endif