linux/drivers/target/target_core_ua.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*******************************************************************************
 * Filename: target_core_ua.c
 *
 * This file contains logic for SPC-3 Unit Attention emulation
 *
 * (c) Copyright 2009-2013 Datera, Inc.
 *
 * Nicholas A. Bellinger <[email protected]>
 *
 ******************************************************************************/

#include <linux/slab.h>
#include <linux/spinlock.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_alua.h"
#include "target_core_pr.h"
#include "target_core_ua.h"

sense_reason_t
target_scsi3_ua_check(struct se_cmd *cmd)
{ … }

int core_scsi3_ua_allocate(
	struct se_dev_entry *deve,
	u8 asc,
	u8 ascq)
{ … }

void target_ua_allocate_lun(struct se_node_acl *nacl,
			    u32 unpacked_lun, u8 asc, u8 ascq)
{ … }

void core_scsi3_ua_release_all(
	struct se_dev_entry *deve)
{ … }

/*
 * Dequeue a unit attention from the unit attention list. This function
 * returns true if the dequeuing succeeded and if *@key, *@asc and *@ascq have
 * been set.
 */
bool core_scsi3_ua_for_check_condition(struct se_cmd *cmd, u8 *key, u8 *asc,
				       u8 *ascq)
{ … }

int core_scsi3_ua_clear_for_request_sense(
	struct se_cmd *cmd,
	u8 *asc,
	u8 *ascq)
{ … }