linux/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c

/**********************************************************************
 * Author: Cavium, Inc.
 *
 * Contact: [email protected]
 *          Please include "LiquidIO" in the subject.
 *
 * Copyright (c) 2003-2016 Cavium, Inc.
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, Version 2, as
 * published by the Free Software Foundation.
 *
 * This file is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT.  See the GNU General Public License for more details.
 ***********************************************************************/
#include <linux/pci.h>
#include <linux/netdevice.h>
#include "liquidio_common.h"
#include "octeon_droq.h"
#include "octeon_iq.h"
#include "response_manager.h"
#include "octeon_device.h"
#include "octeon_main.h"
#include "octeon_mailbox.h"
#include "cn23xx_pf_device.h"

/**
 * octeon_mbox_read:
 * @mbox: Pointer mailbox
 *
 * Reads the 8-bytes of data from the mbox register
 * Writes back the acknowldgement inidcating completion of read
 */
int octeon_mbox_read(struct octeon_mbox *mbox)
{ … }

/**
 * octeon_mbox_write:
 * @oct: Pointer Octeon Device
 * @mbox_cmd: Cmd to send to mailbox.
 *
 * Populates the queue specific mbox structure
 * with cmd information.
 * Write the cmd to mbox register
 */
int octeon_mbox_write(struct octeon_device *oct,
		      struct octeon_mbox_cmd *mbox_cmd)
{ … }

static void get_vf_stats(struct octeon_device *oct,
			 struct oct_vf_stats *stats)
{ … }

/**
 * octeon_mbox_process_cmd:
 * @mbox: Pointer mailbox
 * @mbox_cmd: Pointer to command received
 *
 * Process the cmd received in mbox
 */
static int octeon_mbox_process_cmd(struct octeon_mbox *mbox,
				   struct octeon_mbox_cmd *mbox_cmd)
{ … }

/**
 * octeon_mbox_process_message
 * @mbox: mailbox
 *
 * Process the received mbox message.
 */
int octeon_mbox_process_message(struct octeon_mbox *mbox)
{ … }

int octeon_mbox_cancel(struct octeon_device *oct, int q_no)
{ … }