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dfb99b050e
Based on the normalized pattern:
this program is free software you may redistribute it and/or modify it
under the terms of the gnu general public license as published by the
free software foundation version 2 of the license the software is
provided as is without warranty of any kind express or implied
including but not limited to the warranties of merchantability fitness
for a particular purpose and noninfringement in no event shall the
authors or copyright holders be liable for any claim damages or other
liability whether in an action of contract tort or otherwise arising
from out of or in connection with the software or the use or other
dealings in the software
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */
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#ifndef __SNIC_DISC_H
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#define __SNIC_DISC_H
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#include "snic_fwint.h"
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enum snic_disc_state {
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SNIC_DISC_NONE,
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SNIC_DISC_INIT,
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SNIC_DISC_PENDING,
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SNIC_DISC_DONE
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};
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struct snic;
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struct snic_disc {
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struct list_head tgt_list;
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enum snic_disc_state state;
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struct mutex mutex;
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u16 disc_id;
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u8 req_cnt;
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u32 nxt_tgt_id;
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u32 rtgt_cnt;
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u8 *rtgt_info;
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struct delayed_work disc_timeout;
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void (*cb)(struct snic *);
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};
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#define SNIC_TGT_NAM_LEN 16
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enum snic_tgt_state {
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SNIC_TGT_STAT_NONE,
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SNIC_TGT_STAT_INIT,
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SNIC_TGT_STAT_ONLINE, /* Target is Online */
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SNIC_TGT_STAT_OFFLINE, /* Target is Offline */
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SNIC_TGT_STAT_DEL,
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};
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struct snic_tgt_priv {
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struct list_head list;
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enum snic_tgt_type typ;
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u16 disc_id;
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char *name[SNIC_TGT_NAM_LEN];
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union {
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/*DAS Target specific info */
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/*SAN Target specific info */
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u8 dummmy;
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} u;
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};
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/* snic tgt flags */
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#define SNIC_TGT_SCAN_PENDING 0x01
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struct snic_tgt {
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struct list_head list;
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u16 id;
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u16 channel;
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u32 flags;
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u32 scsi_tgt_id;
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enum snic_tgt_state state;
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struct device dev;
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struct work_struct scan_work;
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struct work_struct del_work;
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struct snic_tgt_priv tdata;
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};
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struct snic_fw_req;
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void snic_disc_init(struct snic_disc *);
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int snic_disc_start(struct snic *);
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void snic_disc_term(struct snic *);
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int snic_report_tgt_cmpl_handler(struct snic *, struct snic_fw_req *);
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int snic_tgtinfo_cmpl_handler(struct snic *snic, struct snic_fw_req *fwreq);
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void snic_process_report_tgts_rsp(struct work_struct *);
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void snic_handle_tgt_disc(struct work_struct *);
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void snic_handle_disc(struct work_struct *);
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void snic_tgt_dev_release(struct device *);
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void snic_tgt_del_all(struct snic *);
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#define dev_to_tgt(d) \
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container_of(d, struct snic_tgt, dev)
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static inline int
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is_snic_target(struct device *dev)
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{
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return dev->release == snic_tgt_dev_release;
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}
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#define starget_to_tgt(st) \
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(is_snic_target(((struct scsi_target *) st)->dev.parent) ? \
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dev_to_tgt(st->dev.parent) : NULL)
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#define snic_tgt_to_shost(t) \
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dev_to_shost(t->dev.parent)
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static inline int
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snic_tgt_chkready(struct snic_tgt *tgt)
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{
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if (tgt->state == SNIC_TGT_STAT_ONLINE)
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return 0;
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else
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return DID_NO_CONNECT << 16;
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}
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const char *snic_tgt_state_to_str(int);
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int snic_tgt_scsi_abort_io(struct snic_tgt *);
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#endif /* end of __SNIC_DISC_H */
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