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linux-next/include/scsi/sas_ata.h
James Bottomley aa9f8328fc [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
These enums have been separate since the dawn of SAS, mainly because the
latter is a procotol only enum and the former includes additional state
for libsas.  The dichotomy causes endless confusion about which one you
should use where and leads to pointless warnings like this:

drivers/scsi/mvsas/mv_sas.c: In function 'mvs_update_phyinfo':
drivers/scsi/mvsas/mv_sas.c:1162:34: warning: comparison between 'enum sas_device_type' and 'enum sas_dev_type' [-Wenum-compare]

Fix by eliminating one of them.  The one kept is effectively the sas.h
one, but call it sas_device_type and make sure the enums are all
properly namespaced with the SAS_ prefix.

Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-10 07:47:52 -07:00

106 lines
2.7 KiB
C

/*
* Support for SATA devices on Serial Attached SCSI (SAS) controllers
*
* Copyright (C) 2006 IBM Corporation
*
* Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#ifndef _SAS_ATA_H_
#define _SAS_ATA_H_
#include <linux/libata.h>
#include <scsi/libsas.h>
#ifdef CONFIG_SCSI_SAS_ATA
static inline int dev_is_sata(struct domain_device *dev)
{
return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
}
int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
int sas_ata_init(struct domain_device *dev);
void sas_ata_task_abort(struct sas_task *task);
void sas_ata_strategy_handler(struct Scsi_Host *shost);
void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
struct list_head *done_q);
void sas_ata_schedule_reset(struct domain_device *dev);
void sas_ata_wait_eh(struct domain_device *dev);
void sas_probe_sata(struct asd_sas_port *port);
void sas_suspend_sata(struct asd_sas_port *port);
void sas_resume_sata(struct asd_sas_port *port);
void sas_ata_end_eh(struct ata_port *ap);
#else
static inline int dev_is_sata(struct domain_device *dev)
{
return 0;
}
static inline int sas_ata_init(struct domain_device *dev)
{
return 0;
}
static inline void sas_ata_task_abort(struct sas_task *task)
{
}
static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
{
}
static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
struct list_head *done_q)
{
}
static inline void sas_ata_schedule_reset(struct domain_device *dev)
{
}
static inline void sas_ata_wait_eh(struct domain_device *dev)
{
}
static inline void sas_probe_sata(struct asd_sas_port *port)
{
}
static inline void sas_suspend_sata(struct asd_sas_port *port)
{
}
static inline void sas_resume_sata(struct asd_sas_port *port)
{
}
static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
{
return 0;
}
static inline void sas_ata_end_eh(struct ata_port *ap)
{
}
#endif
#endif /* _SAS_ATA_H_ */