1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
new file mode 100644
index 000000000..52159a902
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+
+#ifndef HINIC_HW_IO_H
+#define HINIC_HW_IO_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/semaphore.h>
+#include <linux/sizes.h>
+
+#include "hinic_hw_if.h"
+#include "hinic_hw_eqs.h"
+#include "hinic_hw_wq.h"
+#include "hinic_hw_cmdq.h"
+#include "hinic_hw_qp.h"
+
+#define HINIC_DB_PAGE_SIZE      SZ_4K
+#define HINIC_DB_SIZE           SZ_4M
+#define HINIC_HW_WQ_PAGE_SIZE	SZ_4K
+#define HINIC_DEFAULT_WQ_PAGE_SIZE SZ_256K
+
+#define HINIC_DB_MAX_AREAS      (HINIC_DB_SIZE / HINIC_DB_PAGE_SIZE)
+
+enum hinic_db_type {
+	HINIC_DB_CMDQ_TYPE,
+	HINIC_DB_SQ_TYPE,
+};
+
+enum hinic_io_path {
+	HINIC_CTRL_PATH,
+	HINIC_DATA_PATH,
+};
+
+struct hinic_free_db_area {
+	int             db_idx[HINIC_DB_MAX_AREAS];
+
+	int             alloc_pos;
+	int             return_pos;
+
+	int             num_free;
+
+	/* Lock for getting db area */
+	struct semaphore        idx_lock;
+};
+
+struct hinic_nic_cfg {
+	/* lock for getting nic cfg */
+	struct mutex		cfg_mutex;
+	bool			pause_set;
+	u32			auto_neg;
+	u32			rx_pause;
+	u32			tx_pause;
+};
+
+struct hinic_func_to_io {
+	struct hinic_hwif       *hwif;
+	struct hinic_hwdev      *hwdev;
+	u16			global_qpn;
+	struct hinic_ceqs       ceqs;
+
+	struct hinic_wqs        wqs;
+
+	struct hinic_wq         *sq_wq;
+	struct hinic_wq         *rq_wq;
+
+	struct hinic_qp         *qps;
+	u16                     max_qps;
+
+	u16			sq_depth;
+	u16			rq_depth;
+
+	void __iomem            **sq_db;
+	void __iomem            *db_base;
+
+	void                    *ci_addr_base;
+	dma_addr_t              ci_dma_base;
+
+	struct hinic_free_db_area       free_db_area;
+
+	void __iomem                    *cmdq_db_area[HINIC_MAX_CMDQ_TYPES];
+
+	struct hinic_cmdqs              cmdqs;
+
+	u16			max_vfs;
+	struct vf_data_storage	*vf_infos;
+	u8			link_status;
+	struct hinic_nic_cfg	nic_cfg;
+};
+
+struct hinic_wq_page_size {
+	u8	status;
+	u8	version;
+	u8	rsvd0[6];
+
+	u16	func_idx;
+	u8	ppf_idx;
+	u8	page_size;
+
+	u32	rsvd1;
+};
+
+int hinic_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx,
+			   u32 page_size);
+
+int hinic_io_create_qps(struct hinic_func_to_io *func_to_io,
+			u16 base_qpn, int num_qps,
+			struct msix_entry *sq_msix_entries,
+			struct msix_entry *rq_msix_entries);
+
+void hinic_io_destroy_qps(struct hinic_func_to_io *func_to_io,
+			  int num_qps);
+
+int hinic_io_init(struct hinic_func_to_io *func_to_io,
+		  struct hinic_hwif *hwif, u16 max_qps, int num_ceqs,
+		  struct msix_entry *ceq_msix_entries);
+
+void hinic_io_free(struct hinic_func_to_io *func_to_io);
+
+#endif