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sas_ata.h

sas_ata.h 2.7 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
    2. 

  2. /*
    3. 

  3.  * Support for SATA devices on Serial Attached SCSI (SAS) controllers
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2006 IBM Corporation
    6. 

  6.  *
    7. 

  7.  * Written by: Darrick J. Wong <[email protected]>, IBM Corporation
    8. 

  8.  */
    9. 

  9. 

  10. #ifndef _SAS_ATA_H_
    11. 

  11. #define _SAS_ATA_H_
    12. 

  12. 

  13. #include <linux/libata.h>
    14. 

  14. #include <scsi/libsas.h>
    15. 

  15. 

  16. #ifdef CONFIG_SCSI_SAS_ATA
    17. 

  17. 

  18. static inline int dev_is_sata(struct domain_device *dev)
    19. 

  19. {
    20. 

  20. 	return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
    21. 

  21. 	       dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
    22. 

  22. }
    23. 

  23. 

  24. int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
    25. 

  25. int sas_ata_init(struct domain_device *dev);
    26. 

  26. void sas_ata_task_abort(struct sas_task *task);
    27. 

  27. void sas_ata_strategy_handler(struct Scsi_Host *shost);
    28. 

  28. void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
    29. 

  29. void sas_ata_schedule_reset(struct domain_device *dev);
    30. 

  30. void sas_ata_wait_eh(struct domain_device *dev);
    31. 

  31. void sas_probe_sata(struct asd_sas_port *port);
    32. 

  32. void sas_suspend_sata(struct asd_sas_port *port);
    33. 

  33. void sas_resume_sata(struct asd_sas_port *port);
    34. 

  34. void sas_ata_end_eh(struct ata_port *ap);
    35. 

  35. void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset);
    36. 

  36. int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
    37. 

  37. 			int force_phy_id);
    38. 

  38. int sas_ata_wait_after_reset(struct domain_device *dev, unsigned long deadline);
    39. 

  39. int smp_ata_check_ready_type(struct ata_link *link);
    40. 

  40. #else
    41. 

  41. 

  42. 

  43. static inline int dev_is_sata(struct domain_device *dev)
    44. 

  44. {
    45. 

  45. 	return 0;
    46. 

  46. }
    47. 

  47. static inline int sas_ata_init(struct domain_device *dev)
    48. 

  48. {
    49. 

  49. 	return 0;
    50. 

  50. }
    51. 

  51. static inline void sas_ata_task_abort(struct sas_task *task)
    52. 

  52. {
    53. 

  53. }
    54. 

  54. 

  55. static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
    56. 

  56. {
    57. 

  57. }
    58. 

  58. 

  59. static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
    60. 

  60. {
    61. 

  61. }
    62. 

  62. 

  63. static inline void sas_ata_schedule_reset(struct domain_device *dev)
    64. 

  64. {
    65. 

  65. }
    66. 

  66. 

  67. static inline void sas_ata_wait_eh(struct domain_device *dev)
    68. 

  68. {
    69. 

  69. }
    70. 

  70. 

  71. static inline void sas_probe_sata(struct asd_sas_port *port)
    72. 

  72. {
    73. 

  73. }
    74. 

  74. 

  75. static inline void sas_suspend_sata(struct asd_sas_port *port)
    76. 

  76. {
    77. 

  77. }
    78. 

  78. 

  79. static inline void sas_resume_sata(struct asd_sas_port *port)
    80. 

  80. {
    81. 

  81. }
    82. 

  82. 

  83. static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
    84. 

  84. {
    85. 

  85. 	return 0;
    86. 

  86. }
    87. 

  87. 

  88. static inline void sas_ata_end_eh(struct ata_port *ap)
    89. 

  89. {
    90. 

  90. }
    91. 

  91. 

  92. static inline void sas_ata_device_link_abort(struct domain_device *dev,
    93. 

  93. 					     bool force_reset)
    94. 

  94. {
    95. 

  95. }
    96. 

  96. 

  97. static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
    98. 

  98. 				      int force_phy_id)
    99. 

  99. {
    100. 

  100. 	return 0;
    101. 

  101. }
    102. 

  102. 

  103. static inline int sas_ata_wait_after_reset(struct domain_device *dev,
    104. 

  104. 					   unsigned long deadline)
    105. 

  105. {
    106. 

  106. 	return -ETIMEDOUT;
    107. 

  107. }
    108. 

  108. 

  109. static inline int smp_ata_check_ready_type(struct ata_link *link)
    110. 

  110. {
    111. 

  111. 	return 0;
    112. 

  112. }
    113. 

  113. #endif
    114. 

  114. 

  115. #endif /* _SAS_ATA_H_ */
    116.