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124 lines
3.0 KiB
124 lines
3.0 KiB
/* |
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* Copyright 2014 Cisco Systems, Inc. All rights reserved. |
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* |
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* This program is free software; you may redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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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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