linux/drivers/scsi/libfc/fc_elsct.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright(c) 2008 Intel Corporation. All rights reserved.
 *
 * Maintained at www.Open-FCoE.org
 */

/*
 * Provide interface to send ELS/CT FC frames
 */

#include <linux/export.h>
#include <asm/unaligned.h>
#include <scsi/fc/fc_gs.h>
#include <scsi/fc/fc_ns.h>
#include <scsi/fc/fc_els.h>
#include <scsi/libfc.h>
#include "fc_encode.h"
#include "fc_libfc.h"

/**
 * fc_elsct_send() - Send an ELS or CT frame
 * @lport:	The local port to send the frame on
 * @did:	The destination ID for the frame
 * @fp:		The frame to be sent
 * @op:		The operational code
 * @resp:	The callback routine when the response is received
 * @arg:	The argument to pass to the response callback routine
 * @timer_msec: The timeout period for the frame (in msecs)
 */
struct fc_seq *fc_elsct_send(struct fc_lport *lport, u32 did,
			     struct fc_frame *fp, unsigned int op,
			     void (*resp)(struct fc_seq *,
					  struct fc_frame *,
					  void *),
			     void *arg, u32 timer_msec)
{ … }
EXPORT_SYMBOL(…);

/**
 * fc_elsct_init() - Initialize the ELS/CT layer
 * @lport: The local port to initialize the ELS/CT layer for
 */
int fc_elsct_init(struct fc_lport *lport)
{ … }
EXPORT_SYMBOL(…);

/**
 * fc_els_resp_type() - Return a string describing the ELS response
 * @fp: The frame pointer or possible error code
 */
const char *fc_els_resp_type(struct fc_frame *fp)
{ … }