LXR linux/include/scsi/sas

   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
  33static 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
  39int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
  40int sas_ata_init(struct domain_device *dev);
  41void sas_ata_task_abort(struct sas_task *task);
  42void sas_ata_strategy_handler(struct Scsi_Host *shost);
  43void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  44                struct list_head *done_q);
  45void sas_ata_schedule_reset(struct domain_device *dev);
  46void sas_ata_wait_eh(struct domain_device *dev);
  47void sas_probe_sata(struct asd_sas_port *port);
  48void sas_suspend_sata(struct asd_sas_port *port);
  49void sas_resume_sata(struct asd_sas_port *port);
  50void sas_ata_end_eh(struct ata_port *ap);
  51#else
  52
  53
  54static inline int dev_is_sata(struct domain_device *dev)
  55{
  56        return 0;
  57}
  58static inline int sas_ata_init(struct domain_device *dev)
  59{
  60        return 0;
  61}
  62static inline void sas_ata_task_abort(struct sas_task *task)
  63{
  64}
  65
  66static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
  67{
  68}
  69
  70static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  71                              struct list_head *done_q)
  72{
  73}
  74
  75static inline void sas_ata_schedule_reset(struct domain_device *dev)
  76{
  77}
  78
  79static inline void sas_ata_wait_eh(struct domain_device *dev)
  80{
  81}
  82
  83static inline void sas_probe_sata(struct asd_sas_port *port)
  84{
  85}
  86
  87static inline void sas_suspend_sata(struct asd_sas_port *port)
  88{
  89}
  90
  91static inline void sas_resume_sata(struct asd_sas_port *port)
  92{
  93}
  94
  95static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
  96{
  97        return 0;
  98}
  99
 100static inline void sas_ata_end_eh(struct ata_port *ap)
 101{
 102}
 103#endif
 104
 105#endif /* _SAS_ATA_H_ */
 106