--- /dev/null
+/*
+ * Copyright (c) 2013 Qualcomm Atheros, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted (subject to the limitations in the
+ * disclaimer below) provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * * Neither the name of Qualcomm Atheros nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
+ * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*
+ * @File: VBUF_api.h
+ *
+ * @Abstract: Host Interface api
+ *
+ * @Notes:
+ */
+
+#ifndef _VDESC_API_H
+#define _VDESC_API_H
+
+//#define VDESC_CONTROL_BUF_HDR (1 << 6) /* the buffer was manipulated and a header added */
+
+#define MAX_HW_DESC_SIZE 20
+
+typedef struct _VDESC
+{
+ struct _VDESC *next_desc;
+ A_UINT8 *buf_addr;
+ A_UINT16 buf_size;
+ A_UINT16 data_offset;
+ A_UINT16 data_size;
+ A_UINT16 control;
+ A_UINT8 hw_desc_buf[MAX_HW_DESC_SIZE];
+} VDESC;
+
+//#define VDESC_HW_TO_VDESC(hwdesc) ((VDESC *)(((A_UINT32 *)hwdesc - 4)))
+#define VDESC_HW_TO_VDESC(hwdesc) ((VDESC *)(((A_UINT32 *)hwdesc - 4)))
+
+struct vdesc_api {
+ void (*_init)(int nDesc);
+ VDESC* (*_alloc_vdesc)();
+ A_UINT8* (*_get_hw_desc)(VDESC *desc);
+ void (*_swap_vdesc)(VDESC *dest, VDESC *src);
+ //void (*_free_vdesc)(void);
+ /* room to expand this table by another table */
+ void *pReserved;
+};
+
+extern void vdesc_module_install(struct vdesc_api *apis);
+
+#endif