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->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
  36                dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
  37 }
  38
  39 int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
  40 int sas_ata_init(struct domain_device *dev);
  41 void sas_ata_task_abort(struct sas_task *task);
  42 void sas_ata_strategy_handler(struct Scsi_Host *shost);
  43 void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  44                 struct list_head *done_q);
  45 void sas_ata_schedule_reset(struct domain_device *dev);
  46 void sas_ata_wait_eh(struct domain_device *dev);
  47 void sas_probe_sata(struct asd_sas_port *port);
  48 void sas_suspend_sata(struct asd_sas_port *port);
  49 void sas_resume_sata(struct asd_sas_port *port);
  50 void sas_ata_end_eh(struct ata_port *ap);
  51 #else
  52
  53
  54 static inline int dev_is_sata(struct domain_device *dev)
  55 {
  56         return 0;
  57 }
  58 static inline int sas_ata_init(struct domain_device *dev)
  59 {
  60         return 0;
  61 }
  62 static inline void sas_ata_task_abort(struct sas_task *task)
  63 {
  64 }
  65
  66 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
  67 {
  68 }
  69
  70 static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  71                               struct list_head *done_q)
  72 {
  73 }
  74
  75 static inline void sas_ata_schedule_reset(struct domain_device *dev)
  76 {
  77 }
  78
  79 static inline void sas_ata_wait_eh(struct domain_device *dev)
  80 {
  81 }
  82
  83 static inline void sas_probe_sata(struct asd_sas_port *port)
  84 {
  85 }
  86
  87 static inline void sas_suspend_sata(struct asd_sas_port *port)
  88 {
  89 }
  90
  91 static inline void sas_resume_sata(struct asd_sas_port *port)
  92 {
  93 }
  94
  95 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
  96 {
  97         return 0;
  98 }
  99
 100 static inline void sas_ata_end_eh(struct ata_port *ap)
 101 {
 102 }
 103 #endif
 104
 105 #endif /* _SAS_ATA_H_ */