1 files changed, 97 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 000000000000..adb64179d47d
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
@@ -0,0 +1,97 @@
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ */
+
+#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_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_func_to_io {
+	struct hinic_hwif       *hwif;
+
+	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;
+
+	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;
+};
+
+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