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->rphy->identify.target_port_protocols & SAS_PROTOCOL_SATA);
  36}
  37
  38int sas_ata_init_host_and_port(struct domain_device *found_dev,
  39                               struct scsi_target *starget);
  40
  41void sas_ata_task_abort(struct sas_task *task);
  42void sas_ata_strategy_handler(struct Scsi_Host *shost);
  43int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task,
  44                      enum blk_eh_timer_return *rtn);
  45int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  46               struct list_head *done_q);
  47
  48#else
  49
  50
  51static inline int dev_is_sata(struct domain_device *dev)
  52{
  53        return 0;
  54}
  55static inline int sas_ata_init_host_and_port(struct domain_device *found_dev,
  56                               struct scsi_target *starget)
  57{
  58        return 0;
  59}
  60static inline void sas_ata_task_abort(struct sas_task *task)
  61{
  62}
  63
  64static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
  65{
  66}
  67
  68static 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}
  74static 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_ */
  83