linux/drivers/target/target_core_fabric_lib.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*******************************************************************************
 * Filename:  target_core_fabric_lib.c
 *
 * This file contains generic high level protocol identifier and PR
 * handlers for TCM fabric modules
 *
 * (c) Copyright 2010-2013 Datera, Inc.
 *
 * Nicholas A. Bellinger <[email protected]>
 *
 ******************************************************************************/

/*
 * See SPC4, section 7.5 "Protocol specific parameters" for details
 * on the formats implemented in this file.
 */

#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/spinlock.h>
#include <linux/export.h>
#include <asm/unaligned.h>

#include <scsi/scsi_proto.h>

#include <target/target_core_base.h>
#include <target/target_core_fabric.h>

#include "target_core_internal.h"
#include "target_core_pr.h"


static int sas_get_pr_transport_id(
	struct se_node_acl *nacl,
	int *format_code,
	unsigned char *buf)
{ … }

static int fc_get_pr_transport_id(
	struct se_node_acl *se_nacl,
	int *format_code,
	unsigned char *buf)
{ … }

static int sbp_get_pr_transport_id(
	struct se_node_acl *nacl,
	int *format_code,
	unsigned char *buf)
{ … }

static int srp_get_pr_transport_id(
	struct se_node_acl *nacl,
	int *format_code,
	unsigned char *buf)
{ … }

static int iscsi_get_pr_transport_id(
	struct se_node_acl *se_nacl,
	struct t10_pr_registration *pr_reg,
	int *format_code,
	unsigned char *buf)
{ … }

static int iscsi_get_pr_transport_id_len(
	struct se_node_acl *se_nacl,
	struct t10_pr_registration *pr_reg,
	int *format_code)
{ … }

static char *iscsi_parse_pr_out_transport_id(
	struct se_portal_group *se_tpg,
	char *buf,
	u32 *out_tid_len,
	char **port_nexus_ptr)
{ … }

int target_get_pr_transport_id_len(struct se_node_acl *nacl,
		struct t10_pr_registration *pr_reg, int *format_code)
{ … }

int target_get_pr_transport_id(struct se_node_acl *nacl,
		struct t10_pr_registration *pr_reg, int *format_code,
		unsigned char *buf)
{ … }

const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
		char *buf, u32 *out_tid_len, char **port_nexus_ptr)
{ … }