include/scsi/sas_ata.h

   1 /*
   2  * Support for SATA devices on Serial Attached SCSI (SAS) controllers
   3  *
   4  * Copyright (C) 2006 IBM Corporation
   5  *
   6  * Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of the
  11  * License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21  * USA
  22  *
  23  */
  24
  25 #ifndef _SAS_ATA_H_
  26 #define _SAS_ATA_H_
  27
  28 #include <linux/libata.h>
  29 #include <scsi/libsas.h>
  30
  31 #ifdef CONFIG_SCSI_SAS_ATA
  32
  33 static inline int dev_is_sata(struct domain_device *dev)
  34 {
  35         return (dev->rphy->identify.target_port_protocols & SAS_PROTOCOL_SATA);
  36 }
  37
  38 int sas_ata_init_host_and_port(struct domain_device *found_dev,
  39                                struct scsi_target *starget);
  40
  41 void sas_ata_task_abort(struct sas_task *task);
  42 void sas_ata_strategy_handler(struct Scsi_Host *shost);
  43 int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task,
  44                       enum blk_eh_timer_return *rtn);
  45 int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  46                struct list_head *done_q);
  47
  48 #else
  49
  50
  51 static inline int dev_is_sata(struct domain_device *dev)
  52 {
  53         return 0;
  54 }
  55 static inline int sas_ata_init_host_and_port(struct domain_device *found_dev,
  56                                struct scsi_target *starget)
  57 {
  58         return 0;
  59 }
  60 static inline void sas_ata_task_abort(struct sas_task *task)
  61 {
  62 }
  63
  64 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
  65 {
  66 }
  67
  68 static inline int sas_ata_timed_out(struct scsi_cmnd *cmd,
  69                                     struct sas_task *task,
  70                                     enum blk_eh_timer_return *rtn)
  71 {
  72         return 0;
  73 }
  74 static inline int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  75                              struct list_head *done_q)
  76 {
  77         return 0;
  78 }
  79
  80 #endif
  81
  82 #endif /* _SAS_ATA_H_ */