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_ */

  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 * Support for SATA devices on Serial Attached SCSI (SAS) controllers
  4 *
  5 * Copyright (C) 2006 IBM Corporation
  6 *
  7 * Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  8 */
  9
 10#ifndef _SAS_ATA_H_
 11#define _SAS_ATA_H_
 12
 13#include <linux/libata.h>
 14#include <scsi/libsas.h>
 15
 16#ifdef CONFIG_SCSI_SAS_ATA
 17
 18static inline int dev_is_sata(struct domain_device *dev)
 19{
 20	return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
 21	       dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
 22}
 23
 24int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
 25int sas_ata_init(struct domain_device *dev);
 
 26void sas_ata_task_abort(struct sas_task *task);
 27void sas_ata_strategy_handler(struct Scsi_Host *shost);
 28void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
 29void sas_ata_schedule_reset(struct domain_device *dev);
 30void sas_ata_wait_eh(struct domain_device *dev);
 31void sas_probe_sata(struct asd_sas_port *port);
 32void sas_suspend_sata(struct asd_sas_port *port);
 33void sas_resume_sata(struct asd_sas_port *port);
 34void sas_ata_end_eh(struct ata_port *ap);
 35void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset);
 36int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
 37			int force_phy_id);
 38int smp_ata_check_ready_type(struct ata_link *link);
 39int sas_discover_sata(struct domain_device *dev);
 40int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
 41		    struct domain_device *child, int phy_id);
 42#else
 43
 44static inline void sas_ata_disabled_notice(void)
 45{
 46	pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");
 47}
 48
 49static inline int dev_is_sata(struct domain_device *dev)
 50{
 51	return 0;
 52}
 53static inline int sas_ata_init(struct domain_device *dev)
 
 54{
 55	return 0;
 56}
 57static inline void sas_ata_task_abort(struct sas_task *task)
 58{
 59}
 60
 61static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
 62{
 63}
 64
 65static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
 66{
 67}
 68
 69static inline void sas_ata_schedule_reset(struct domain_device *dev)
 70{
 71}
 72
 73static inline void sas_ata_wait_eh(struct domain_device *dev)
 74{
 75}
 76
 77static inline void sas_probe_sata(struct asd_sas_port *port)
 78{
 79}
 80
 81static inline void sas_suspend_sata(struct asd_sas_port *port)
 82{
 83}
 84
 85static inline void sas_resume_sata(struct asd_sas_port *port)
 86{
 87}
 88
 89static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
 90{
 91	return 0;
 92}
 93
 94static inline void sas_ata_end_eh(struct ata_port *ap)
 95{
 96}
 97
 98static inline void sas_ata_device_link_abort(struct domain_device *dev,
 99					     bool force_reset)
100{
101}
102
103static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
104				      int force_phy_id)
105{
106	return 0;
107}
108
109static inline int smp_ata_check_ready_type(struct ata_link *link)
110{
111	return 0;
112}
113
114static inline int sas_discover_sata(struct domain_device *dev)
115{
116	sas_ata_disabled_notice();
117	return -ENXIO;
118}
119
120static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
121				  struct domain_device *child, int phy_id)
122{
123	sas_ata_disabled_notice();
124	return -ENODEV;
125}
126#endif
127
128#endif /* _SAS_ATA_H_ */