diff --git a/lib/librte_prgdev/rte_prgdev.h b/lib/librte_prgdev/rte_prgdev.h
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+++ b/lib/librte_prgdev/rte_prgdev.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted 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 Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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.
+ */
+
+#ifndef _RTE_PRGDEV_H_
+#define _RTE_PRGDEV_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * reflect the device status
+ */
+enum rte_prg_devstat {
+	RTE_PRGDEV_STAT_UNKNOWN = 0,  /** Device in a unkown state */
+	RTE_PRGDEV_STAT_READY,   /** Device is ready to be programming. */
+	RTE_PRGDEV_STAT_ERASING, /** Device is ready being programmed. */
+	/** Device is performing functionalities and can't be programmed. */
+	RTE_PRGDEV_STAT_RUNNING,
+};
+
+/* Reflect the function block attributes */
+/* Block is readable */
+#define RTE_PGR_FUNC_ATTR_RD	0x00000001
+/* Block is writable */
+#define RTE_PGR_FUNC_ATTR_WR	0x00000002
+/* Block is readable and writable */
+#define RTE_PGR_FUNC_ATTR_RDWR	(RTE_PGR_FUNC_ATTR_RD & RTE_PGR_FUNC_ATTR_WR)
+
+struct rte_prg_blk_info {
+	unsigned int size;     /* the block size in bytes */
+	unsigned int version;  /* It's optional */
+	unsigned int flags;    /* Flags to indicate block isreadable/writable */
+};
+
+#define MAX_SIGNATURE_LEN	256
+#define MAX_BLK_NUM		256
+
+struct rte_prg_dev_info {
+	struct rte_pci_device *pci_dev; /**< Device PCI information. */
+	const char *driver_name; /**< Device Driver name. */
+	unsigned int devid; /**< Index to bound host interface, or 0 if none. */
+	/* Programable device HW version number. it's possible that app 
+	 *  have dependency to HW version.
+	 */
+	uint16_t hw_ver_major;  /* major version number */
+	uint16_t hw_ver_minor;  /* minor version number */
+
+	/* A array to store hardware, firmware, running image info.Each device
+  	 * can define and interpret the info. For example, a device can define 
+  	 * byte[3:0] as signature for on-die personality, byte[5:4] is the major
+  	 * version, byte[7:6] is minor version. if 0xFFEA1000 is a signature for
+  	 * virtio personality, major version is 0x0001, minor version is 0x0004.
+  	 * then signature can be defined :
+	 * sig_num = 8;
+	 * signature[7:0]= {00, 0x10, 0xEA, 0xFF, 0x00, 0x01, 0x00, 0x04};
+	 */
+	unsigned int sig_num;  /** < the valid signature length in bytes> */
+	char signature[MAX_SIGNATURE_LEN];
+	enum rte_prg_devstat status;
+
+	/* number of blocks within device */
+	unsigned int blk_num;
+	/* block info */
+	struct rte_prg_blk_info blk_info[MAX_BLK_NUM];
+};
+
+struct rte_prg_dev {
+        struct rte_prg_dev_info  prg_dev_info;
+} __rte_cache_aligned;
+
+/*
+*     prg_dev_init routine
+*
+*     returns : 0 success, non zero failure.
+*/
+
+typedef int (*prg_dev_init_t)(struct rte_prg_dev *prg_dev);
+
+/*
+*     prg_dev_uninit routine
+*
+*     returns : 0 success, non zero failure.
+*/
+
+
+typedef int (*prg_dev_uninit_t)(struct rte_prg_dev *prg_dev);
+
+/**
+ *  @internal
+ *  The structure associated with a programmable driver.
+ *
+ *  Each prg driver acts as a PCI driver and is represented by a generic
+ *  eth_driver* structure that holds:
+ *
+ *  - An *rte_pci_driver* structure (which must be the first field).
+ *
+ * -  The *prg_dev_init_t* function invoked for each matching PCI device.
+ *
+ * - The *prg_dev_remove* function invoked for each matching PCI device.
+ *
+ *  - The size of the private data to allocate for each matching device.
+ */
+
+struct prg_driver {
+	struct rte_pci_driver pci_drv;    /**< The PRG is also a PCI driver. */
+	prg_dev_init_t prg_dev_probe;      /**< Device probe function. */
+	prg_dev_uninit_t prg_dev_remove;  /**< Device remove function. */
+	unsigned int dev_private_size;    /**< Size of device private data. */
+};
+
+
+/*
+*  Query what personality is in the device.
+*
+*  @param device_id
+*   The port identifier of the programmable device.
+*  @param info
+*   A pointer to a structure of type *rte_prg_dev_info* to be filled with
+*   the information of the programmable device.
+*/
+
+int rte_prgdev_get_info(uint8_t device_id,
+			struct rte_prg_dev_info *info);
+
+/* 
+*  Open device for programming, acquiring on-die image, etc. 
+*  Need to call this function first 
+*  prior to calling other functionalities.
+*  In case the device is performing some tasks, it's device's decision on 
+*  what result is returned.
+*/
+
+int rte_prgdev_open(uint8_t device_id);
+
+
+/*
+* Download image from host to programmable device.
+*
+* @param device_id
+*   The port identifier of the programmable device.
+* @param buffer_ptr
+*   A pointer to a buffer that stored the image ready downloading to device
+* @param buf_len
+*   the total image length in bytes.
+*/
+
+int rte_prgdev_img_download(uint8_t device_id,
+			uint8_t *buffer_ptr, uint32_t buf_len);
+
+/*
+* Upload image from programmable device to host.
+*
+* @param device_id
+*   The port identifier of the programmable device.
+* @param buffer_ptr
+*   A pointer to a buffer that store uploaded image
+* @param buf_len
+*   the total buffer length in bytes.
+* @param act_len
+*   pointer to the actual image length in bytes.
+*/
+
+int rte_prgdev_img_upload(uint8_t device_id, uint8_t *buffer_ptr,
+		uint32_t buf_len,uint32_t *act_len);
+
+/*
+ * reflect the device status
+ */
+
+enum rte_prg_fwstat {
+	RTE_PRGDEV_FWSTAT_OK = 0,  /** Image are running well */
+	RTE_PRGDEV_FWSTAT_ERR = -1,   /** Image has error. */
+	RTE_PRGDEV_FWSTAT_ERR_VALID = -2, /** Image is not valid. */
+	RTE_PRGDEV_FWSTAT_ERR_CKSUM = -3, /** Image checksum is not correct. */
+	RTE_PRGDEV_FWSTAT_ERR_LEN = -4, /** Image length is not correct. */
+};
+
+/*
+*  Check if the downloaded image running on die works in expected way, optional 
+*   function.
+* @param device_id
+*   The port identifier of the programmable device.
+*/
+int rte_prgdev_check_stat(uint8_t device_id, enum rte_prg_fwstat *stat);
+
+/*
+* Called to free up resources or whatever to do to hardware
+* after an erase or load of the program.
+* @param device_id
+*   The port identifier of the programmable device.
+*/
+int rte_prgdev_close(uint8_t device_id);
+
+/*
+* Called to bind a programmable device to drivers after close function is called.
+* @param device_id
+*   The port identifier of the programmable device.
+*/
+int rte_prgdev_bind(uint8_t device_id);
+/*
+* Called to unbind all functions except prgdev from drivers.
+* @param device_id
+*   The port identifier of the programmable device.
+*/
+rte_prgdev_unbind(uint8_t device_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_PRGDEV_H_ */
